Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /************************************************************************ |
ravinandan.arakali@neterion.com | 776bd20 | 2005-09-06 21:36:56 -0700 | [diff] [blame] | 2 | * s2io.c: A Linux PCI-X Ethernet driver for Neterion 10GbE Server NIC |
Jon Mason | 926bd90 | 2010-07-15 08:47:26 +0000 | [diff] [blame] | 3 | * Copyright(c) 2002-2010 Exar Corp. |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4 | * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5 | * This software may be used and distributed according to the terms of |
| 6 | * the GNU General Public License (GPL), incorporated herein by reference. |
| 7 | * Drivers based on or derived from this code fall under the GPL and must |
| 8 | * retain the authorship, copyright and license notice. This file is not |
| 9 | * a complete program and may only be used when the entire operating |
| 10 | * system is licensed under the GPL. |
| 11 | * See the file COPYING in this distribution for more information. |
| 12 | * |
| 13 | * Credits: |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 14 | * Jeff Garzik : For pointing out the improper error condition |
| 15 | * check in the s2io_xmit routine and also some |
| 16 | * issues in the Tx watch dog function. Also for |
| 17 | * patiently answering all those innumerable |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 18 | * questions regaring the 2.6 porting issues. |
| 19 | * Stephen Hemminger : Providing proper 2.6 porting mechanism for some |
| 20 | * macros available only in 2.6 Kernel. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 21 | * Francois Romieu : For pointing out all code part that were |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 22 | * deprecated and also styling related comments. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 23 | * Grant Grundler : For helping me get rid of some Architecture |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 24 | * dependent code. |
| 25 | * Christopher Hellwig : Some more 2.6 specific issues in the driver. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 26 | * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 27 | * The module loadable parameters that are supported by the driver and a brief |
Joe Perches | a2a20ae | 2009-08-24 17:29:46 +0000 | [diff] [blame] | 28 | * explanation of all the variables. |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 29 | * |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 30 | * rx_ring_num : This can be used to program the number of receive rings used |
| 31 | * in the driver. |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 32 | * rx_ring_sz: This defines the number of receive blocks each ring can have. |
| 33 | * This is also an array of size 8. |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 34 | * rx_ring_mode: This defines the operation mode of all 8 rings. The valid |
Veena Parat | 6d517a2 | 2007-07-23 02:20:51 -0400 | [diff] [blame] | 35 | * values are 1, 2. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 36 | * tx_fifo_num: This defines the number of Tx FIFOs thats used int the driver. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 37 | * tx_fifo_len: This too is an array of 8. Each element defines the number of |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 38 | * Tx descriptors that can be associated with each corresponding FIFO. |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 39 | * intr_type: This defines the type of interrupt. The values can be 0(INTA), |
Sivakumar Subramani | 8abc4d5 | 2007-09-15 13:11:34 -0700 | [diff] [blame] | 40 | * 2(MSI_X). Default value is '2(MSI_X)' |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 41 | * lro_max_pkts: This parameter defines maximum number of packets can be |
| 42 | * aggregated as a single large packet |
Sivakumar Subramani | 926930b | 2007-02-24 01:59:39 -0500 | [diff] [blame] | 43 | * napi: This parameter used to enable/disable NAPI (polling Rx) |
| 44 | * Possible values '1' for enable and '0' for disable. Default is '1' |
| 45 | * ufo: This parameter used to enable/disable UDP Fragmentation Offload(UFO) |
| 46 | * Possible values '1' for enable and '0' for disable. Default is '0' |
| 47 | * vlan_tag_strip: This can be used to enable or disable vlan stripping. |
| 48 | * Possible values '1' for enable , '0' for disable. |
| 49 | * Default is '2' - which means disable in promisc mode |
| 50 | * and enable in non-promiscuous mode. |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 51 | * multiq: This parameter used to enable/disable MULTIQUEUE support. |
| 52 | * Possible values '1' for enable and '0' for disable. Default is '0' |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 53 | ************************************************************************/ |
| 54 | |
Joe Perches | 6cef2b8e | 2009-08-24 17:29:45 +0000 | [diff] [blame] | 55 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
| 56 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 57 | #include <linux/module.h> |
| 58 | #include <linux/types.h> |
| 59 | #include <linux/errno.h> |
| 60 | #include <linux/ioport.h> |
| 61 | #include <linux/pci.h> |
Domen Puncer | 1e7f0bd | 2005-06-26 18:22:14 -0400 | [diff] [blame] | 62 | #include <linux/dma-mapping.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 63 | #include <linux/kernel.h> |
| 64 | #include <linux/netdevice.h> |
| 65 | #include <linux/etherdevice.h> |
Ben Hutchings | 4023939 | 2009-04-29 08:13:29 +0000 | [diff] [blame] | 66 | #include <linux/mdio.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 67 | #include <linux/skbuff.h> |
| 68 | #include <linux/init.h> |
| 69 | #include <linux/delay.h> |
| 70 | #include <linux/stddef.h> |
| 71 | #include <linux/ioctl.h> |
| 72 | #include <linux/timex.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 73 | #include <linux/ethtool.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 74 | #include <linux/workqueue.h> |
raghavendra.koushik@neterion.com | be3a6b0 | 2005-08-03 12:35:55 -0700 | [diff] [blame] | 75 | #include <linux/if_vlan.h> |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 76 | #include <linux/ip.h> |
| 77 | #include <linux/tcp.h> |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 78 | #include <linux/uaccess.h> |
| 79 | #include <linux/io.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 80 | #include <linux/slab.h> |
Paul Gortmaker | 70c7160 | 2011-05-22 16:47:17 -0400 | [diff] [blame] | 81 | #include <linux/prefetch.h> |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 82 | #include <net/tcp.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 83 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 84 | #include <asm/system.h> |
Andrew Morton | fe93139 | 2006-02-03 01:45:12 -0800 | [diff] [blame] | 85 | #include <asm/div64.h> |
Andrew Morton | 330ce0d | 2006-08-14 23:00:14 -0700 | [diff] [blame] | 86 | #include <asm/irq.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 87 | |
| 88 | /* local include */ |
| 89 | #include "s2io.h" |
| 90 | #include "s2io-regs.h" |
| 91 | |
Jon Mason | 11410b6 | 2010-12-10 15:40:03 +0000 | [diff] [blame] | 92 | #define DRV_VERSION "2.0.26.28" |
John Linville | 6c1792f | 2005-10-04 07:51:45 -0400 | [diff] [blame] | 93 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 94 | /* S2io Driver name & version. */ |
Jon Mason | c0dbf37 | 2010-12-10 15:40:02 +0000 | [diff] [blame] | 95 | static const char s2io_driver_name[] = "Neterion"; |
| 96 | static const char s2io_driver_version[] = DRV_VERSION; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 97 | |
Jon Mason | c0dbf37 | 2010-12-10 15:40:02 +0000 | [diff] [blame] | 98 | static const int rxd_size[2] = {32, 48}; |
| 99 | static const int rxd_count[2] = {127, 85}; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 100 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 101 | static inline int RXD_IS_UP2DT(struct RxD_t *rxdp) |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 102 | { |
| 103 | int ret; |
| 104 | |
| 105 | ret = ((!(rxdp->Control_1 & RXD_OWN_XENA)) && |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 106 | (GET_RXD_MARKER(rxdp->Control_2) != THE_RXD_MARK)); |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 107 | |
| 108 | return ret; |
| 109 | } |
| 110 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 111 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 112 | * Cards with following subsystem_id have a link state indication |
| 113 | * problem, 600B, 600C, 600D, 640B, 640C and 640D. |
| 114 | * macro below identifies these cards given the subsystem_id. |
| 115 | */ |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 116 | #define CARDS_WITH_FAULTY_LINK_INDICATORS(dev_type, subid) \ |
| 117 | (dev_type == XFRAME_I_DEVICE) ? \ |
| 118 | ((((subid >= 0x600B) && (subid <= 0x600D)) || \ |
| 119 | ((subid >= 0x640B) && (subid <= 0x640D))) ? 1 : 0) : 0 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 120 | |
| 121 | #define LINK_IS_UP(val64) (!(val64 & (ADAPTER_STATUS_RMAC_REMOTE_FAULT | \ |
| 122 | ADAPTER_STATUS_RMAC_LOCAL_FAULT))) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 123 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 124 | static inline int is_s2io_card_up(const struct s2io_nic *sp) |
Sivakumar Subramani | 92b8443 | 2007-09-06 06:51:14 -0400 | [diff] [blame] | 125 | { |
| 126 | return test_bit(__S2IO_STATE_CARD_UP, &sp->state); |
| 127 | } |
| 128 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 129 | /* Ethtool related variables and Macros. */ |
Joe Perches | 6fce365 | 2009-08-24 17:29:40 +0000 | [diff] [blame] | 130 | static const char s2io_gstrings[][ETH_GSTRING_LEN] = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 131 | "Register test\t(offline)", |
| 132 | "Eeprom test\t(offline)", |
| 133 | "Link test\t(online)", |
| 134 | "RLDRAM test\t(offline)", |
| 135 | "BIST Test\t(offline)" |
| 136 | }; |
| 137 | |
Joe Perches | 6fce365 | 2009-08-24 17:29:40 +0000 | [diff] [blame] | 138 | static const char ethtool_xena_stats_keys[][ETH_GSTRING_LEN] = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 139 | {"tmac_frms"}, |
| 140 | {"tmac_data_octets"}, |
| 141 | {"tmac_drop_frms"}, |
| 142 | {"tmac_mcst_frms"}, |
| 143 | {"tmac_bcst_frms"}, |
| 144 | {"tmac_pause_ctrl_frms"}, |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 145 | {"tmac_ttl_octets"}, |
| 146 | {"tmac_ucst_frms"}, |
| 147 | {"tmac_nucst_frms"}, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 148 | {"tmac_any_err_frms"}, |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 149 | {"tmac_ttl_less_fb_octets"}, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 150 | {"tmac_vld_ip_octets"}, |
| 151 | {"tmac_vld_ip"}, |
| 152 | {"tmac_drop_ip"}, |
| 153 | {"tmac_icmp"}, |
| 154 | {"tmac_rst_tcp"}, |
| 155 | {"tmac_tcp"}, |
| 156 | {"tmac_udp"}, |
| 157 | {"rmac_vld_frms"}, |
| 158 | {"rmac_data_octets"}, |
| 159 | {"rmac_fcs_err_frms"}, |
| 160 | {"rmac_drop_frms"}, |
| 161 | {"rmac_vld_mcst_frms"}, |
| 162 | {"rmac_vld_bcst_frms"}, |
| 163 | {"rmac_in_rng_len_err_frms"}, |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 164 | {"rmac_out_rng_len_err_frms"}, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 165 | {"rmac_long_frms"}, |
| 166 | {"rmac_pause_ctrl_frms"}, |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 167 | {"rmac_unsup_ctrl_frms"}, |
| 168 | {"rmac_ttl_octets"}, |
| 169 | {"rmac_accepted_ucst_frms"}, |
| 170 | {"rmac_accepted_nucst_frms"}, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 171 | {"rmac_discarded_frms"}, |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 172 | {"rmac_drop_events"}, |
| 173 | {"rmac_ttl_less_fb_octets"}, |
| 174 | {"rmac_ttl_frms"}, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 175 | {"rmac_usized_frms"}, |
| 176 | {"rmac_osized_frms"}, |
| 177 | {"rmac_frag_frms"}, |
| 178 | {"rmac_jabber_frms"}, |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 179 | {"rmac_ttl_64_frms"}, |
| 180 | {"rmac_ttl_65_127_frms"}, |
| 181 | {"rmac_ttl_128_255_frms"}, |
| 182 | {"rmac_ttl_256_511_frms"}, |
| 183 | {"rmac_ttl_512_1023_frms"}, |
| 184 | {"rmac_ttl_1024_1518_frms"}, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 185 | {"rmac_ip"}, |
| 186 | {"rmac_ip_octets"}, |
| 187 | {"rmac_hdr_err_ip"}, |
| 188 | {"rmac_drop_ip"}, |
| 189 | {"rmac_icmp"}, |
| 190 | {"rmac_tcp"}, |
| 191 | {"rmac_udp"}, |
| 192 | {"rmac_err_drp_udp"}, |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 193 | {"rmac_xgmii_err_sym"}, |
| 194 | {"rmac_frms_q0"}, |
| 195 | {"rmac_frms_q1"}, |
| 196 | {"rmac_frms_q2"}, |
| 197 | {"rmac_frms_q3"}, |
| 198 | {"rmac_frms_q4"}, |
| 199 | {"rmac_frms_q5"}, |
| 200 | {"rmac_frms_q6"}, |
| 201 | {"rmac_frms_q7"}, |
| 202 | {"rmac_full_q0"}, |
| 203 | {"rmac_full_q1"}, |
| 204 | {"rmac_full_q2"}, |
| 205 | {"rmac_full_q3"}, |
| 206 | {"rmac_full_q4"}, |
| 207 | {"rmac_full_q5"}, |
| 208 | {"rmac_full_q6"}, |
| 209 | {"rmac_full_q7"}, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 210 | {"rmac_pause_cnt"}, |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 211 | {"rmac_xgmii_data_err_cnt"}, |
| 212 | {"rmac_xgmii_ctrl_err_cnt"}, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 213 | {"rmac_accepted_ip"}, |
| 214 | {"rmac_err_tcp"}, |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 215 | {"rd_req_cnt"}, |
| 216 | {"new_rd_req_cnt"}, |
| 217 | {"new_rd_req_rtry_cnt"}, |
| 218 | {"rd_rtry_cnt"}, |
| 219 | {"wr_rtry_rd_ack_cnt"}, |
| 220 | {"wr_req_cnt"}, |
| 221 | {"new_wr_req_cnt"}, |
| 222 | {"new_wr_req_rtry_cnt"}, |
| 223 | {"wr_rtry_cnt"}, |
| 224 | {"wr_disc_cnt"}, |
| 225 | {"rd_rtry_wr_ack_cnt"}, |
| 226 | {"txp_wr_cnt"}, |
| 227 | {"txd_rd_cnt"}, |
| 228 | {"txd_wr_cnt"}, |
| 229 | {"rxd_rd_cnt"}, |
| 230 | {"rxd_wr_cnt"}, |
| 231 | {"txf_rd_cnt"}, |
Sivakumar Subramani | fa1f0cb | 2007-02-24 02:03:22 -0500 | [diff] [blame] | 232 | {"rxf_wr_cnt"} |
| 233 | }; |
| 234 | |
Joe Perches | 6fce365 | 2009-08-24 17:29:40 +0000 | [diff] [blame] | 235 | static const char ethtool_enhanced_stats_keys[][ETH_GSTRING_LEN] = { |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 236 | {"rmac_ttl_1519_4095_frms"}, |
| 237 | {"rmac_ttl_4096_8191_frms"}, |
| 238 | {"rmac_ttl_8192_max_frms"}, |
| 239 | {"rmac_ttl_gt_max_frms"}, |
| 240 | {"rmac_osized_alt_frms"}, |
| 241 | {"rmac_jabber_alt_frms"}, |
| 242 | {"rmac_gt_max_alt_frms"}, |
| 243 | {"rmac_vlan_frms"}, |
| 244 | {"rmac_len_discard"}, |
| 245 | {"rmac_fcs_discard"}, |
| 246 | {"rmac_pf_discard"}, |
| 247 | {"rmac_da_discard"}, |
| 248 | {"rmac_red_discard"}, |
| 249 | {"rmac_rts_discard"}, |
| 250 | {"rmac_ingm_full_discard"}, |
Sivakumar Subramani | fa1f0cb | 2007-02-24 02:03:22 -0500 | [diff] [blame] | 251 | {"link_fault_cnt"} |
| 252 | }; |
| 253 | |
Joe Perches | 6fce365 | 2009-08-24 17:29:40 +0000 | [diff] [blame] | 254 | static const char ethtool_driver_stats_keys[][ETH_GSTRING_LEN] = { |
raghavendra.koushik@neterion.com | 7ba013a | 2005-08-03 12:29:20 -0700 | [diff] [blame] | 255 | {"\n DRIVER STATISTICS"}, |
| 256 | {"single_bit_ecc_errs"}, |
| 257 | {"double_bit_ecc_errs"}, |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 258 | {"parity_err_cnt"}, |
| 259 | {"serious_err_cnt"}, |
| 260 | {"soft_reset_cnt"}, |
| 261 | {"fifo_full_cnt"}, |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 262 | {"ring_0_full_cnt"}, |
| 263 | {"ring_1_full_cnt"}, |
| 264 | {"ring_2_full_cnt"}, |
| 265 | {"ring_3_full_cnt"}, |
| 266 | {"ring_4_full_cnt"}, |
| 267 | {"ring_5_full_cnt"}, |
| 268 | {"ring_6_full_cnt"}, |
| 269 | {"ring_7_full_cnt"}, |
Stephen Hemminger | 43b7c45 | 2007-10-05 12:39:21 -0700 | [diff] [blame] | 270 | {"alarm_transceiver_temp_high"}, |
| 271 | {"alarm_transceiver_temp_low"}, |
| 272 | {"alarm_laser_bias_current_high"}, |
| 273 | {"alarm_laser_bias_current_low"}, |
| 274 | {"alarm_laser_output_power_high"}, |
| 275 | {"alarm_laser_output_power_low"}, |
| 276 | {"warn_transceiver_temp_high"}, |
| 277 | {"warn_transceiver_temp_low"}, |
| 278 | {"warn_laser_bias_current_high"}, |
| 279 | {"warn_laser_bias_current_low"}, |
| 280 | {"warn_laser_output_power_high"}, |
| 281 | {"warn_laser_output_power_low"}, |
| 282 | {"lro_aggregated_pkts"}, |
| 283 | {"lro_flush_both_count"}, |
| 284 | {"lro_out_of_sequence_pkts"}, |
| 285 | {"lro_flush_due_to_max_pkts"}, |
| 286 | {"lro_avg_aggr_pkts"}, |
| 287 | {"mem_alloc_fail_cnt"}, |
| 288 | {"pci_map_fail_cnt"}, |
| 289 | {"watchdog_timer_cnt"}, |
| 290 | {"mem_allocated"}, |
| 291 | {"mem_freed"}, |
| 292 | {"link_up_cnt"}, |
| 293 | {"link_down_cnt"}, |
| 294 | {"link_up_time"}, |
| 295 | {"link_down_time"}, |
| 296 | {"tx_tcode_buf_abort_cnt"}, |
| 297 | {"tx_tcode_desc_abort_cnt"}, |
| 298 | {"tx_tcode_parity_err_cnt"}, |
| 299 | {"tx_tcode_link_loss_cnt"}, |
| 300 | {"tx_tcode_list_proc_err_cnt"}, |
| 301 | {"rx_tcode_parity_err_cnt"}, |
| 302 | {"rx_tcode_abort_cnt"}, |
| 303 | {"rx_tcode_parity_abort_cnt"}, |
| 304 | {"rx_tcode_rda_fail_cnt"}, |
| 305 | {"rx_tcode_unkn_prot_cnt"}, |
| 306 | {"rx_tcode_fcs_err_cnt"}, |
| 307 | {"rx_tcode_buf_size_err_cnt"}, |
| 308 | {"rx_tcode_rxd_corrupt_cnt"}, |
| 309 | {"rx_tcode_unkn_err_cnt"}, |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 310 | {"tda_err_cnt"}, |
| 311 | {"pfc_err_cnt"}, |
| 312 | {"pcc_err_cnt"}, |
| 313 | {"tti_err_cnt"}, |
| 314 | {"tpa_err_cnt"}, |
| 315 | {"sm_err_cnt"}, |
| 316 | {"lso_err_cnt"}, |
| 317 | {"mac_tmac_err_cnt"}, |
| 318 | {"mac_rmac_err_cnt"}, |
| 319 | {"xgxs_txgxs_err_cnt"}, |
| 320 | {"xgxs_rxgxs_err_cnt"}, |
| 321 | {"rc_err_cnt"}, |
| 322 | {"prc_pcix_err_cnt"}, |
| 323 | {"rpa_err_cnt"}, |
| 324 | {"rda_err_cnt"}, |
| 325 | {"rti_err_cnt"}, |
| 326 | {"mc_err_cnt"} |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 327 | }; |
| 328 | |
Alejandro Martinez Ruiz | 4c3616c | 2007-10-18 10:00:15 +0200 | [diff] [blame] | 329 | #define S2IO_XENA_STAT_LEN ARRAY_SIZE(ethtool_xena_stats_keys) |
| 330 | #define S2IO_ENHANCED_STAT_LEN ARRAY_SIZE(ethtool_enhanced_stats_keys) |
| 331 | #define S2IO_DRIVER_STAT_LEN ARRAY_SIZE(ethtool_driver_stats_keys) |
Sivakumar Subramani | fa1f0cb | 2007-02-24 02:03:22 -0500 | [diff] [blame] | 332 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 333 | #define XFRAME_I_STAT_LEN (S2IO_XENA_STAT_LEN + S2IO_DRIVER_STAT_LEN) |
| 334 | #define XFRAME_II_STAT_LEN (XFRAME_I_STAT_LEN + S2IO_ENHANCED_STAT_LEN) |
Sivakumar Subramani | fa1f0cb | 2007-02-24 02:03:22 -0500 | [diff] [blame] | 335 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 336 | #define XFRAME_I_STAT_STRINGS_LEN (XFRAME_I_STAT_LEN * ETH_GSTRING_LEN) |
| 337 | #define XFRAME_II_STAT_STRINGS_LEN (XFRAME_II_STAT_LEN * ETH_GSTRING_LEN) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 338 | |
Alejandro Martinez Ruiz | 4c3616c | 2007-10-18 10:00:15 +0200 | [diff] [blame] | 339 | #define S2IO_TEST_LEN ARRAY_SIZE(s2io_gstrings) |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 340 | #define S2IO_STRINGS_LEN (S2IO_TEST_LEN * ETH_GSTRING_LEN) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 341 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 342 | #define S2IO_TIMER_CONF(timer, handle, arg, exp) \ |
| 343 | init_timer(&timer); \ |
| 344 | timer.function = handle; \ |
| 345 | timer.data = (unsigned long)arg; \ |
| 346 | mod_timer(&timer, (jiffies + exp)) \ |
raghavendra.koushik@neterion.com | 25fff88 | 2005-08-03 12:34:11 -0700 | [diff] [blame] | 347 | |
Sivakumar Subramani | 2fd3768 | 2007-09-14 07:39:19 -0400 | [diff] [blame] | 348 | /* copy mac addr to def_mac_addr array */ |
| 349 | static void do_s2io_copy_mac_addr(struct s2io_nic *sp, int offset, u64 mac_addr) |
| 350 | { |
| 351 | sp->def_mac_addr[offset].mac_addr[5] = (u8) (mac_addr); |
| 352 | sp->def_mac_addr[offset].mac_addr[4] = (u8) (mac_addr >> 8); |
| 353 | sp->def_mac_addr[offset].mac_addr[3] = (u8) (mac_addr >> 16); |
| 354 | sp->def_mac_addr[offset].mac_addr[2] = (u8) (mac_addr >> 24); |
| 355 | sp->def_mac_addr[offset].mac_addr[1] = (u8) (mac_addr >> 32); |
| 356 | sp->def_mac_addr[offset].mac_addr[0] = (u8) (mac_addr >> 40); |
| 357 | } |
Stephen Hemminger | 0402509 | 2008-11-21 17:28:55 -0800 | [diff] [blame] | 358 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 359 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 360 | * Constants to be programmed into the Xena's registers, to configure |
| 361 | * the XAUI. |
| 362 | */ |
| 363 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 364 | #define END_SIGN 0x0 |
Arjan van de Ven | f71e130 | 2006-03-03 21:33:57 -0500 | [diff] [blame] | 365 | static const u64 herc_act_dtx_cfg[] = { |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 366 | /* Set address */ |
ravinandan.arakali@neterion.com | e960fc5 | 2005-08-12 10:15:59 -0700 | [diff] [blame] | 367 | 0x8000051536750000ULL, 0x80000515367500E0ULL, |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 368 | /* Write data */ |
ravinandan.arakali@neterion.com | e960fc5 | 2005-08-12 10:15:59 -0700 | [diff] [blame] | 369 | 0x8000051536750004ULL, 0x80000515367500E4ULL, |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 370 | /* Set address */ |
| 371 | 0x80010515003F0000ULL, 0x80010515003F00E0ULL, |
| 372 | /* Write data */ |
| 373 | 0x80010515003F0004ULL, 0x80010515003F00E4ULL, |
| 374 | /* Set address */ |
ravinandan.arakali@neterion.com | e960fc5 | 2005-08-12 10:15:59 -0700 | [diff] [blame] | 375 | 0x801205150D440000ULL, 0x801205150D4400E0ULL, |
| 376 | /* Write data */ |
| 377 | 0x801205150D440004ULL, 0x801205150D4400E4ULL, |
| 378 | /* Set address */ |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 379 | 0x80020515F2100000ULL, 0x80020515F21000E0ULL, |
| 380 | /* Write data */ |
| 381 | 0x80020515F2100004ULL, 0x80020515F21000E4ULL, |
| 382 | /* Done */ |
| 383 | END_SIGN |
| 384 | }; |
| 385 | |
Arjan van de Ven | f71e130 | 2006-03-03 21:33:57 -0500 | [diff] [blame] | 386 | static const u64 xena_dtx_cfg[] = { |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 387 | /* Set address */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 388 | 0x8000051500000000ULL, 0x80000515000000E0ULL, |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 389 | /* Write data */ |
| 390 | 0x80000515D9350004ULL, 0x80000515D93500E4ULL, |
| 391 | /* Set address */ |
| 392 | 0x8001051500000000ULL, 0x80010515000000E0ULL, |
| 393 | /* Write data */ |
| 394 | 0x80010515001E0004ULL, 0x80010515001E00E4ULL, |
| 395 | /* Set address */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 396 | 0x8002051500000000ULL, 0x80020515000000E0ULL, |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 397 | /* Write data */ |
| 398 | 0x80020515F2100004ULL, 0x80020515F21000E4ULL, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 399 | END_SIGN |
| 400 | }; |
| 401 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 402 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 403 | * Constants for Fixing the MacAddress problem seen mostly on |
| 404 | * Alpha machines. |
| 405 | */ |
Arjan van de Ven | f71e130 | 2006-03-03 21:33:57 -0500 | [diff] [blame] | 406 | static const u64 fix_mac[] = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 407 | 0x0060000000000000ULL, 0x0060600000000000ULL, |
| 408 | 0x0040600000000000ULL, 0x0000600000000000ULL, |
| 409 | 0x0020600000000000ULL, 0x0060600000000000ULL, |
| 410 | 0x0020600000000000ULL, 0x0060600000000000ULL, |
| 411 | 0x0020600000000000ULL, 0x0060600000000000ULL, |
| 412 | 0x0020600000000000ULL, 0x0060600000000000ULL, |
| 413 | 0x0020600000000000ULL, 0x0060600000000000ULL, |
| 414 | 0x0020600000000000ULL, 0x0060600000000000ULL, |
| 415 | 0x0020600000000000ULL, 0x0060600000000000ULL, |
| 416 | 0x0020600000000000ULL, 0x0060600000000000ULL, |
| 417 | 0x0020600000000000ULL, 0x0060600000000000ULL, |
| 418 | 0x0020600000000000ULL, 0x0060600000000000ULL, |
| 419 | 0x0020600000000000ULL, 0x0000600000000000ULL, |
| 420 | 0x0040600000000000ULL, 0x0060600000000000ULL, |
| 421 | END_SIGN |
| 422 | }; |
| 423 | |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 424 | MODULE_LICENSE("GPL"); |
| 425 | MODULE_VERSION(DRV_VERSION); |
| 426 | |
| 427 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 428 | /* Module Loadable parameters. */ |
Sreenivasa Honnur | 6cfc482 | 2008-02-20 17:07:51 -0500 | [diff] [blame] | 429 | S2IO_PARM_INT(tx_fifo_num, FIFO_DEFAULT_NUM); |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 430 | S2IO_PARM_INT(rx_ring_num, 1); |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 431 | S2IO_PARM_INT(multiq, 0); |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 432 | S2IO_PARM_INT(rx_ring_mode, 1); |
| 433 | S2IO_PARM_INT(use_continuous_tx_intrs, 1); |
| 434 | S2IO_PARM_INT(rmac_pause_time, 0x100); |
| 435 | S2IO_PARM_INT(mc_pause_threshold_q0q3, 187); |
| 436 | S2IO_PARM_INT(mc_pause_threshold_q4q7, 187); |
| 437 | S2IO_PARM_INT(shared_splits, 0); |
| 438 | S2IO_PARM_INT(tmac_util_period, 5); |
| 439 | S2IO_PARM_INT(rmac_util_period, 5); |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 440 | S2IO_PARM_INT(l3l4hdr_size, 128); |
Sreenivasa Honnur | 6cfc482 | 2008-02-20 17:07:51 -0500 | [diff] [blame] | 441 | /* 0 is no steering, 1 is Priority steering, 2 is Default steering */ |
| 442 | S2IO_PARM_INT(tx_steering_type, TX_DEFAULT_STEERING); |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 443 | /* Frequency of Rx desc syncs expressed as power of 2 */ |
| 444 | S2IO_PARM_INT(rxsync_frequency, 3); |
Veena Parat | eccb862 | 2007-07-23 02:23:54 -0400 | [diff] [blame] | 445 | /* Interrupt type. Values can be 0(INTA), 2(MSI_X) */ |
Sivakumar Subramani | 8abc4d5 | 2007-09-15 13:11:34 -0700 | [diff] [blame] | 446 | S2IO_PARM_INT(intr_type, 2); |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 447 | /* Large receive offload feature */ |
Stephen Hemminger | 43b7c45 | 2007-10-05 12:39:21 -0700 | [diff] [blame] | 448 | |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 449 | /* Max pkts to be aggregated by LRO at one time. If not specified, |
| 450 | * aggregation happens until we hit max IP pkt size(64K) |
| 451 | */ |
| 452 | S2IO_PARM_INT(lro_max_pkts, 0xFFFF); |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 453 | S2IO_PARM_INT(indicate_max_pkts, 0); |
Sivakumar Subramani | db874e6 | 2007-01-31 13:28:08 -0500 | [diff] [blame] | 454 | |
| 455 | S2IO_PARM_INT(napi, 1); |
| 456 | S2IO_PARM_INT(ufo, 0); |
Sivakumar Subramani | 926930b | 2007-02-24 01:59:39 -0500 | [diff] [blame] | 457 | S2IO_PARM_INT(vlan_tag_strip, NO_STRIP_IN_PROMISC); |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 458 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 459 | static unsigned int tx_fifo_len[MAX_TX_FIFOS] = |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 460 | {DEFAULT_FIFO_0_LEN, [1 ...(MAX_TX_FIFOS - 1)] = DEFAULT_FIFO_1_7_LEN}; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 461 | static unsigned int rx_ring_sz[MAX_RX_RINGS] = |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 462 | {[0 ...(MAX_RX_RINGS - 1)] = SMALL_BLK_CNT}; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 463 | static unsigned int rts_frm_len[MAX_RX_RINGS] = |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 464 | {[0 ...(MAX_RX_RINGS - 1)] = 0 }; |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 465 | |
| 466 | module_param_array(tx_fifo_len, uint, NULL, 0); |
| 467 | module_param_array(rx_ring_sz, uint, NULL, 0); |
| 468 | module_param_array(rts_frm_len, uint, NULL, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 469 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 470 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 471 | * S2IO device table. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 472 | * This table lists all the devices that this driver supports. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 473 | */ |
Alexey Dobriyan | a3aa188 | 2010-01-07 11:58:11 +0000 | [diff] [blame] | 474 | static DEFINE_PCI_DEVICE_TABLE(s2io_tbl) = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 475 | {PCI_VENDOR_ID_S2IO, PCI_DEVICE_ID_S2IO_WIN, |
| 476 | PCI_ANY_ID, PCI_ANY_ID}, |
| 477 | {PCI_VENDOR_ID_S2IO, PCI_DEVICE_ID_S2IO_UNI, |
| 478 | PCI_ANY_ID, PCI_ANY_ID}, |
| 479 | {PCI_VENDOR_ID_S2IO, PCI_DEVICE_ID_HERC_WIN, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 480 | PCI_ANY_ID, PCI_ANY_ID}, |
| 481 | {PCI_VENDOR_ID_S2IO, PCI_DEVICE_ID_HERC_UNI, |
| 482 | PCI_ANY_ID, PCI_ANY_ID}, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 483 | {0,} |
| 484 | }; |
| 485 | |
| 486 | MODULE_DEVICE_TABLE(pci, s2io_tbl); |
| 487 | |
Linas Vepstas | d796fdb | 2007-05-14 18:37:30 -0500 | [diff] [blame] | 488 | static struct pci_error_handlers s2io_err_handler = { |
| 489 | .error_detected = s2io_io_error_detected, |
| 490 | .slot_reset = s2io_io_slot_reset, |
| 491 | .resume = s2io_io_resume, |
| 492 | }; |
| 493 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 494 | static struct pci_driver s2io_driver = { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 495 | .name = "S2IO", |
| 496 | .id_table = s2io_tbl, |
| 497 | .probe = s2io_init_nic, |
| 498 | .remove = __devexit_p(s2io_rem_nic), |
| 499 | .err_handler = &s2io_err_handler, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 500 | }; |
| 501 | |
| 502 | /* A simplifier macro used both by init and free shared_mem Fns(). */ |
| 503 | #define TXD_MEM_PAGE_CNT(len, per_each) ((len+per_each - 1) / per_each) |
| 504 | |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 505 | /* netqueue manipulation helper functions */ |
| 506 | static inline void s2io_stop_all_tx_queue(struct s2io_nic *sp) |
| 507 | { |
David S. Miller | fd2ea0a | 2008-07-17 01:56:23 -0700 | [diff] [blame] | 508 | if (!sp->config.multiq) { |
| 509 | int i; |
| 510 | |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 511 | for (i = 0; i < sp->config.tx_fifo_num; i++) |
| 512 | sp->mac_control.fifos[i].queue_state = FIFO_QUEUE_STOP; |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 513 | } |
David S. Miller | fd2ea0a | 2008-07-17 01:56:23 -0700 | [diff] [blame] | 514 | netif_tx_stop_all_queues(sp->dev); |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 515 | } |
| 516 | |
| 517 | static inline void s2io_stop_tx_queue(struct s2io_nic *sp, int fifo_no) |
| 518 | { |
David S. Miller | fd2ea0a | 2008-07-17 01:56:23 -0700 | [diff] [blame] | 519 | if (!sp->config.multiq) |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 520 | sp->mac_control.fifos[fifo_no].queue_state = |
| 521 | FIFO_QUEUE_STOP; |
David S. Miller | fd2ea0a | 2008-07-17 01:56:23 -0700 | [diff] [blame] | 522 | |
| 523 | netif_tx_stop_all_queues(sp->dev); |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 524 | } |
| 525 | |
| 526 | static inline void s2io_start_all_tx_queue(struct s2io_nic *sp) |
| 527 | { |
David S. Miller | fd2ea0a | 2008-07-17 01:56:23 -0700 | [diff] [blame] | 528 | if (!sp->config.multiq) { |
| 529 | int i; |
| 530 | |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 531 | for (i = 0; i < sp->config.tx_fifo_num; i++) |
| 532 | sp->mac_control.fifos[i].queue_state = FIFO_QUEUE_START; |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 533 | } |
David S. Miller | fd2ea0a | 2008-07-17 01:56:23 -0700 | [diff] [blame] | 534 | netif_tx_start_all_queues(sp->dev); |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 535 | } |
| 536 | |
| 537 | static inline void s2io_start_tx_queue(struct s2io_nic *sp, int fifo_no) |
| 538 | { |
David S. Miller | fd2ea0a | 2008-07-17 01:56:23 -0700 | [diff] [blame] | 539 | if (!sp->config.multiq) |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 540 | sp->mac_control.fifos[fifo_no].queue_state = |
| 541 | FIFO_QUEUE_START; |
David S. Miller | fd2ea0a | 2008-07-17 01:56:23 -0700 | [diff] [blame] | 542 | |
| 543 | netif_tx_start_all_queues(sp->dev); |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 544 | } |
| 545 | |
| 546 | static inline void s2io_wake_all_tx_queue(struct s2io_nic *sp) |
| 547 | { |
David S. Miller | fd2ea0a | 2008-07-17 01:56:23 -0700 | [diff] [blame] | 548 | if (!sp->config.multiq) { |
| 549 | int i; |
| 550 | |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 551 | for (i = 0; i < sp->config.tx_fifo_num; i++) |
| 552 | sp->mac_control.fifos[i].queue_state = FIFO_QUEUE_START; |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 553 | } |
David S. Miller | fd2ea0a | 2008-07-17 01:56:23 -0700 | [diff] [blame] | 554 | netif_tx_wake_all_queues(sp->dev); |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 555 | } |
| 556 | |
| 557 | static inline void s2io_wake_tx_queue( |
| 558 | struct fifo_info *fifo, int cnt, u8 multiq) |
| 559 | { |
| 560 | |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 561 | if (multiq) { |
| 562 | if (cnt && __netif_subqueue_stopped(fifo->dev, fifo->fifo_no)) |
| 563 | netif_wake_subqueue(fifo->dev, fifo->fifo_no); |
David S. Miller | b19fa1f | 2008-07-08 23:14:24 -0700 | [diff] [blame] | 564 | } else if (cnt && (fifo->queue_state == FIFO_QUEUE_STOP)) { |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 565 | if (netif_queue_stopped(fifo->dev)) { |
| 566 | fifo->queue_state = FIFO_QUEUE_START; |
| 567 | netif_wake_queue(fifo->dev); |
| 568 | } |
| 569 | } |
| 570 | } |
| 571 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 572 | /** |
| 573 | * init_shared_mem - Allocation and Initialization of Memory |
| 574 | * @nic: Device private variable. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 575 | * Description: The function allocates all the memory areas shared |
| 576 | * between the NIC and the driver. This includes Tx descriptors, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 577 | * Rx descriptors and the statistics block. |
| 578 | */ |
| 579 | |
| 580 | static int init_shared_mem(struct s2io_nic *nic) |
| 581 | { |
| 582 | u32 size; |
| 583 | void *tmp_v_addr, *tmp_v_addr_next; |
| 584 | dma_addr_t tmp_p_addr, tmp_p_addr_next; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 585 | struct RxD_block *pre_rxd_blk = NULL; |
Sivakumar Subramani | 372cc59 | 2007-01-31 13:32:57 -0500 | [diff] [blame] | 586 | int i, j, blk_cnt; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 587 | int lst_size, lst_per_page; |
| 588 | struct net_device *dev = nic->dev; |
viro@zenIV.linux.org.uk | 8ae418c | 2005-09-02 20:15:29 +0100 | [diff] [blame] | 589 | unsigned long tmp; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 590 | struct buffAdd *ba; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 591 | struct config_param *config = &nic->config; |
| 592 | struct mac_info *mac_control = &nic->mac_control; |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 593 | unsigned long long mem_allocated = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 594 | |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 595 | /* Allocation and initialization of TXDLs in FIFOs */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 596 | size = 0; |
| 597 | for (i = 0; i < config->tx_fifo_num; i++) { |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 598 | struct tx_fifo_config *tx_cfg = &config->tx_cfg[i]; |
| 599 | |
| 600 | size += tx_cfg->fifo_len; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 601 | } |
| 602 | if (size > MAX_AVAILABLE_TXDS) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 603 | DBG_PRINT(ERR_DBG, |
| 604 | "Too many TxDs requested: %d, max supported: %d\n", |
| 605 | size, MAX_AVAILABLE_TXDS); |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 606 | return -EINVAL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 607 | } |
| 608 | |
Surjit Reang | 2fda096 | 2008-01-24 02:08:59 -0800 | [diff] [blame] | 609 | size = 0; |
| 610 | for (i = 0; i < config->tx_fifo_num; i++) { |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 611 | struct tx_fifo_config *tx_cfg = &config->tx_cfg[i]; |
| 612 | |
| 613 | size = tx_cfg->fifo_len; |
Surjit Reang | 2fda096 | 2008-01-24 02:08:59 -0800 | [diff] [blame] | 614 | /* |
| 615 | * Legal values are from 2 to 8192 |
| 616 | */ |
| 617 | if (size < 2) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 618 | DBG_PRINT(ERR_DBG, "Fifo %d: Invalid length (%d) - " |
| 619 | "Valid lengths are 2 through 8192\n", |
| 620 | i, size); |
Surjit Reang | 2fda096 | 2008-01-24 02:08:59 -0800 | [diff] [blame] | 621 | return -EINVAL; |
| 622 | } |
| 623 | } |
| 624 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 625 | lst_size = (sizeof(struct TxD) * config->max_txds); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 626 | lst_per_page = PAGE_SIZE / lst_size; |
| 627 | |
| 628 | for (i = 0; i < config->tx_fifo_num; i++) { |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 629 | struct fifo_info *fifo = &mac_control->fifos[i]; |
| 630 | struct tx_fifo_config *tx_cfg = &config->tx_cfg[i]; |
| 631 | int fifo_len = tx_cfg->fifo_len; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 632 | int list_holder_size = fifo_len * sizeof(struct list_info_hold); |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 633 | |
| 634 | fifo->list_info = kzalloc(list_holder_size, GFP_KERNEL); |
| 635 | if (!fifo->list_info) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 636 | DBG_PRINT(INFO_DBG, "Malloc failed for list_info\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 637 | return -ENOMEM; |
| 638 | } |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 639 | mem_allocated += list_holder_size; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 640 | } |
| 641 | for (i = 0; i < config->tx_fifo_num; i++) { |
| 642 | int page_num = TXD_MEM_PAGE_CNT(config->tx_cfg[i].fifo_len, |
| 643 | lst_per_page); |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 644 | struct fifo_info *fifo = &mac_control->fifos[i]; |
| 645 | struct tx_fifo_config *tx_cfg = &config->tx_cfg[i]; |
| 646 | |
| 647 | fifo->tx_curr_put_info.offset = 0; |
| 648 | fifo->tx_curr_put_info.fifo_len = tx_cfg->fifo_len - 1; |
| 649 | fifo->tx_curr_get_info.offset = 0; |
| 650 | fifo->tx_curr_get_info.fifo_len = tx_cfg->fifo_len - 1; |
| 651 | fifo->fifo_no = i; |
| 652 | fifo->nic = nic; |
| 653 | fifo->max_txds = MAX_SKB_FRAGS + 2; |
| 654 | fifo->dev = dev; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 655 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 656 | for (j = 0; j < page_num; j++) { |
| 657 | int k = 0; |
| 658 | dma_addr_t tmp_p; |
| 659 | void *tmp_v; |
| 660 | tmp_v = pci_alloc_consistent(nic->pdev, |
| 661 | PAGE_SIZE, &tmp_p); |
| 662 | if (!tmp_v) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 663 | DBG_PRINT(INFO_DBG, |
| 664 | "pci_alloc_consistent failed for TxDL\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 665 | return -ENOMEM; |
| 666 | } |
ravinandan.arakali@neterion.com | 776bd20 | 2005-09-06 21:36:56 -0700 | [diff] [blame] | 667 | /* If we got a zero DMA address(can happen on |
| 668 | * certain platforms like PPC), reallocate. |
| 669 | * Store virtual address of page we don't want, |
| 670 | * to be freed later. |
| 671 | */ |
| 672 | if (!tmp_p) { |
| 673 | mac_control->zerodma_virt_addr = tmp_v; |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 674 | DBG_PRINT(INIT_DBG, |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 675 | "%s: Zero DMA address for TxDL. " |
| 676 | "Virtual address %p\n", |
| 677 | dev->name, tmp_v); |
ravinandan.arakali@neterion.com | 776bd20 | 2005-09-06 21:36:56 -0700 | [diff] [blame] | 678 | tmp_v = pci_alloc_consistent(nic->pdev, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 679 | PAGE_SIZE, &tmp_p); |
ravinandan.arakali@neterion.com | 776bd20 | 2005-09-06 21:36:56 -0700 | [diff] [blame] | 680 | if (!tmp_v) { |
Ramkrishna Vepa | 0c61ed5 | 2007-03-09 18:28:32 -0800 | [diff] [blame] | 681 | DBG_PRINT(INFO_DBG, |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 682 | "pci_alloc_consistent failed for TxDL\n"); |
ravinandan.arakali@neterion.com | 776bd20 | 2005-09-06 21:36:56 -0700 | [diff] [blame] | 683 | return -ENOMEM; |
| 684 | } |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 685 | mem_allocated += PAGE_SIZE; |
ravinandan.arakali@neterion.com | 776bd20 | 2005-09-06 21:36:56 -0700 | [diff] [blame] | 686 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 687 | while (k < lst_per_page) { |
| 688 | int l = (j * lst_per_page) + k; |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 689 | if (l == tx_cfg->fifo_len) |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 690 | break; |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 691 | fifo->list_info[l].list_virt_addr = |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 692 | tmp_v + (k * lst_size); |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 693 | fifo->list_info[l].list_phy_addr = |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 694 | tmp_p + (k * lst_size); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 695 | k++; |
| 696 | } |
| 697 | } |
| 698 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 699 | |
Surjit Reang | 2fda096 | 2008-01-24 02:08:59 -0800 | [diff] [blame] | 700 | for (i = 0; i < config->tx_fifo_num; i++) { |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 701 | struct fifo_info *fifo = &mac_control->fifos[i]; |
| 702 | struct tx_fifo_config *tx_cfg = &config->tx_cfg[i]; |
| 703 | |
| 704 | size = tx_cfg->fifo_len; |
| 705 | fifo->ufo_in_band_v = kcalloc(size, sizeof(u64), GFP_KERNEL); |
| 706 | if (!fifo->ufo_in_band_v) |
Surjit Reang | 2fda096 | 2008-01-24 02:08:59 -0800 | [diff] [blame] | 707 | return -ENOMEM; |
| 708 | mem_allocated += (size * sizeof(u64)); |
| 709 | } |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 710 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 711 | /* Allocation and initialization of RXDs in Rings */ |
| 712 | size = 0; |
| 713 | for (i = 0; i < config->rx_ring_num; i++) { |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 714 | struct rx_ring_config *rx_cfg = &config->rx_cfg[i]; |
| 715 | struct ring_info *ring = &mac_control->rings[i]; |
| 716 | |
| 717 | if (rx_cfg->num_rxd % (rxd_count[nic->rxd_mode] + 1)) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 718 | DBG_PRINT(ERR_DBG, "%s: Ring%d RxD count is not a " |
| 719 | "multiple of RxDs per Block\n", |
| 720 | dev->name, i); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 721 | return FAILURE; |
| 722 | } |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 723 | size += rx_cfg->num_rxd; |
| 724 | ring->block_count = rx_cfg->num_rxd / |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 725 | (rxd_count[nic->rxd_mode] + 1); |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 726 | ring->pkt_cnt = rx_cfg->num_rxd - ring->block_count; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 727 | } |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 728 | if (nic->rxd_mode == RXD_MODE_1) |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 729 | size = (size * (sizeof(struct RxD1))); |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 730 | else |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 731 | size = (size * (sizeof(struct RxD3))); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 732 | |
| 733 | for (i = 0; i < config->rx_ring_num; i++) { |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 734 | struct rx_ring_config *rx_cfg = &config->rx_cfg[i]; |
| 735 | struct ring_info *ring = &mac_control->rings[i]; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 736 | |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 737 | ring->rx_curr_get_info.block_index = 0; |
| 738 | ring->rx_curr_get_info.offset = 0; |
| 739 | ring->rx_curr_get_info.ring_len = rx_cfg->num_rxd - 1; |
| 740 | ring->rx_curr_put_info.block_index = 0; |
| 741 | ring->rx_curr_put_info.offset = 0; |
| 742 | ring->rx_curr_put_info.ring_len = rx_cfg->num_rxd - 1; |
| 743 | ring->nic = nic; |
| 744 | ring->ring_no = i; |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 745 | |
| 746 | blk_cnt = rx_cfg->num_rxd / (rxd_count[nic->rxd_mode] + 1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 747 | /* Allocating all the Rx blocks */ |
| 748 | for (j = 0; j < blk_cnt; j++) { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 749 | struct rx_block_info *rx_blocks; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 750 | int l; |
| 751 | |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 752 | rx_blocks = &ring->rx_blocks[j]; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 753 | size = SIZE_OF_BLOCK; /* size is always page size */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 754 | tmp_v_addr = pci_alloc_consistent(nic->pdev, size, |
| 755 | &tmp_p_addr); |
| 756 | if (tmp_v_addr == NULL) { |
| 757 | /* |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 758 | * In case of failure, free_shared_mem() |
| 759 | * is called, which should free any |
| 760 | * memory that was alloced till the |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 761 | * failure happened. |
| 762 | */ |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 763 | rx_blocks->block_virt_addr = tmp_v_addr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 764 | return -ENOMEM; |
| 765 | } |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 766 | mem_allocated += size; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 767 | memset(tmp_v_addr, 0, size); |
Joe Perches | 4f87032 | 2009-08-24 17:29:42 +0000 | [diff] [blame] | 768 | |
| 769 | size = sizeof(struct rxd_info) * |
| 770 | rxd_count[nic->rxd_mode]; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 771 | rx_blocks->block_virt_addr = tmp_v_addr; |
| 772 | rx_blocks->block_dma_addr = tmp_p_addr; |
Joe Perches | 4f87032 | 2009-08-24 17:29:42 +0000 | [diff] [blame] | 773 | rx_blocks->rxds = kmalloc(size, GFP_KERNEL); |
Sivakumar Subramani | 372cc59 | 2007-01-31 13:32:57 -0500 | [diff] [blame] | 774 | if (!rx_blocks->rxds) |
| 775 | return -ENOMEM; |
Joe Perches | 4f87032 | 2009-08-24 17:29:42 +0000 | [diff] [blame] | 776 | mem_allocated += size; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 777 | for (l = 0; l < rxd_count[nic->rxd_mode]; l++) { |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 778 | rx_blocks->rxds[l].virt_addr = |
| 779 | rx_blocks->block_virt_addr + |
| 780 | (rxd_size[nic->rxd_mode] * l); |
| 781 | rx_blocks->rxds[l].dma_addr = |
| 782 | rx_blocks->block_dma_addr + |
| 783 | (rxd_size[nic->rxd_mode] * l); |
| 784 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 785 | } |
| 786 | /* Interlinking all Rx Blocks */ |
| 787 | for (j = 0; j < blk_cnt; j++) { |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 788 | int next = (j + 1) % blk_cnt; |
| 789 | tmp_v_addr = ring->rx_blocks[j].block_virt_addr; |
| 790 | tmp_v_addr_next = ring->rx_blocks[next].block_virt_addr; |
| 791 | tmp_p_addr = ring->rx_blocks[j].block_dma_addr; |
| 792 | tmp_p_addr_next = ring->rx_blocks[next].block_dma_addr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 793 | |
Joe Perches | 43d620c | 2011-06-16 19:08:06 +0000 | [diff] [blame] | 794 | pre_rxd_blk = tmp_v_addr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 795 | pre_rxd_blk->reserved_2_pNext_RxD_block = |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 796 | (unsigned long)tmp_v_addr_next; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 797 | pre_rxd_blk->pNext_RxD_Blk_physical = |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 798 | (u64)tmp_p_addr_next; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 799 | } |
| 800 | } |
Veena Parat | 6d517a2 | 2007-07-23 02:20:51 -0400 | [diff] [blame] | 801 | if (nic->rxd_mode == RXD_MODE_3B) { |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 802 | /* |
| 803 | * Allocation of Storages for buffer addresses in 2BUFF mode |
| 804 | * and the buffers as well. |
| 805 | */ |
| 806 | for (i = 0; i < config->rx_ring_num; i++) { |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 807 | struct rx_ring_config *rx_cfg = &config->rx_cfg[i]; |
| 808 | struct ring_info *ring = &mac_control->rings[i]; |
| 809 | |
| 810 | blk_cnt = rx_cfg->num_rxd / |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 811 | (rxd_count[nic->rxd_mode] + 1); |
Joe Perches | 4f87032 | 2009-08-24 17:29:42 +0000 | [diff] [blame] | 812 | size = sizeof(struct buffAdd *) * blk_cnt; |
| 813 | ring->ba = kmalloc(size, GFP_KERNEL); |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 814 | if (!ring->ba) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 815 | return -ENOMEM; |
Joe Perches | 4f87032 | 2009-08-24 17:29:42 +0000 | [diff] [blame] | 816 | mem_allocated += size; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 817 | for (j = 0; j < blk_cnt; j++) { |
| 818 | int k = 0; |
Joe Perches | 4f87032 | 2009-08-24 17:29:42 +0000 | [diff] [blame] | 819 | |
| 820 | size = sizeof(struct buffAdd) * |
| 821 | (rxd_count[nic->rxd_mode] + 1); |
| 822 | ring->ba[j] = kmalloc(size, GFP_KERNEL); |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 823 | if (!ring->ba[j]) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 824 | return -ENOMEM; |
Joe Perches | 4f87032 | 2009-08-24 17:29:42 +0000 | [diff] [blame] | 825 | mem_allocated += size; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 826 | while (k != rxd_count[nic->rxd_mode]) { |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 827 | ba = &ring->ba[j][k]; |
Joe Perches | 4f87032 | 2009-08-24 17:29:42 +0000 | [diff] [blame] | 828 | size = BUF0_LEN + ALIGN_SIZE; |
| 829 | ba->ba_0_org = kmalloc(size, GFP_KERNEL); |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 830 | if (!ba->ba_0_org) |
| 831 | return -ENOMEM; |
Joe Perches | 4f87032 | 2009-08-24 17:29:42 +0000 | [diff] [blame] | 832 | mem_allocated += size; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 833 | tmp = (unsigned long)ba->ba_0_org; |
| 834 | tmp += ALIGN_SIZE; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 835 | tmp &= ~((unsigned long)ALIGN_SIZE); |
| 836 | ba->ba_0 = (void *)tmp; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 837 | |
Joe Perches | 4f87032 | 2009-08-24 17:29:42 +0000 | [diff] [blame] | 838 | size = BUF1_LEN + ALIGN_SIZE; |
| 839 | ba->ba_1_org = kmalloc(size, GFP_KERNEL); |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 840 | if (!ba->ba_1_org) |
| 841 | return -ENOMEM; |
Joe Perches | 4f87032 | 2009-08-24 17:29:42 +0000 | [diff] [blame] | 842 | mem_allocated += size; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 843 | tmp = (unsigned long)ba->ba_1_org; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 844 | tmp += ALIGN_SIZE; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 845 | tmp &= ~((unsigned long)ALIGN_SIZE); |
| 846 | ba->ba_1 = (void *)tmp; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 847 | k++; |
| 848 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 849 | } |
| 850 | } |
| 851 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 852 | |
| 853 | /* Allocation and initialization of Statistics block */ |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 854 | size = sizeof(struct stat_block); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 855 | mac_control->stats_mem = |
| 856 | pci_alloc_consistent(nic->pdev, size, |
| 857 | &mac_control->stats_mem_phy); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 858 | |
| 859 | if (!mac_control->stats_mem) { |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 860 | /* |
| 861 | * In case of failure, free_shared_mem() is called, which |
| 862 | * should free any memory that was alloced till the |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 863 | * failure happened. |
| 864 | */ |
| 865 | return -ENOMEM; |
| 866 | } |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 867 | mem_allocated += size; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 868 | mac_control->stats_mem_sz = size; |
| 869 | |
| 870 | tmp_v_addr = mac_control->stats_mem; |
Joe Perches | 43d620c | 2011-06-16 19:08:06 +0000 | [diff] [blame] | 871 | mac_control->stats_info = tmp_v_addr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 872 | memset(tmp_v_addr, 0, size); |
Breno Leitao | 3a22813 | 2010-03-04 10:40:44 +0000 | [diff] [blame] | 873 | DBG_PRINT(INIT_DBG, "%s: Ring Mem PHY: 0x%llx\n", |
| 874 | dev_name(&nic->pdev->dev), (unsigned long long)tmp_p_addr); |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 875 | mac_control->stats_info->sw_stat.mem_allocated += mem_allocated; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 876 | return SUCCESS; |
| 877 | } |
| 878 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 879 | /** |
| 880 | * free_shared_mem - Free the allocated Memory |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 881 | * @nic: Device private variable. |
| 882 | * Description: This function is to free all memory locations allocated by |
| 883 | * the init_shared_mem() function and return it to the kernel. |
| 884 | */ |
| 885 | |
| 886 | static void free_shared_mem(struct s2io_nic *nic) |
| 887 | { |
| 888 | int i, j, blk_cnt, size; |
| 889 | void *tmp_v_addr; |
| 890 | dma_addr_t tmp_p_addr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 891 | int lst_size, lst_per_page; |
Micah Gruber | 8910b49 | 2007-07-09 11:29:04 +0800 | [diff] [blame] | 892 | struct net_device *dev; |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 893 | int page_num = 0; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 894 | struct config_param *config; |
| 895 | struct mac_info *mac_control; |
| 896 | struct stat_block *stats; |
| 897 | struct swStat *swstats; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 898 | |
| 899 | if (!nic) |
| 900 | return; |
| 901 | |
Micah Gruber | 8910b49 | 2007-07-09 11:29:04 +0800 | [diff] [blame] | 902 | dev = nic->dev; |
| 903 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 904 | config = &nic->config; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 905 | mac_control = &nic->mac_control; |
| 906 | stats = mac_control->stats_info; |
| 907 | swstats = &stats->sw_stat; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 908 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 909 | lst_size = sizeof(struct TxD) * config->max_txds; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 910 | lst_per_page = PAGE_SIZE / lst_size; |
| 911 | |
| 912 | for (i = 0; i < config->tx_fifo_num; i++) { |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 913 | struct fifo_info *fifo = &mac_control->fifos[i]; |
| 914 | struct tx_fifo_config *tx_cfg = &config->tx_cfg[i]; |
| 915 | |
| 916 | page_num = TXD_MEM_PAGE_CNT(tx_cfg->fifo_len, lst_per_page); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 917 | for (j = 0; j < page_num; j++) { |
| 918 | int mem_blks = (j * lst_per_page); |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 919 | struct list_info_hold *fli; |
| 920 | |
| 921 | if (!fifo->list_info) |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 922 | return; |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 923 | |
| 924 | fli = &fifo->list_info[mem_blks]; |
| 925 | if (!fli->list_virt_addr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 926 | break; |
| 927 | pci_free_consistent(nic->pdev, PAGE_SIZE, |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 928 | fli->list_virt_addr, |
| 929 | fli->list_phy_addr); |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 930 | swstats->mem_freed += PAGE_SIZE; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 931 | } |
ravinandan.arakali@neterion.com | 776bd20 | 2005-09-06 21:36:56 -0700 | [diff] [blame] | 932 | /* If we got a zero DMA address during allocation, |
| 933 | * free the page now |
| 934 | */ |
| 935 | if (mac_control->zerodma_virt_addr) { |
| 936 | pci_free_consistent(nic->pdev, PAGE_SIZE, |
| 937 | mac_control->zerodma_virt_addr, |
| 938 | (dma_addr_t)0); |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 939 | DBG_PRINT(INIT_DBG, |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 940 | "%s: Freeing TxDL with zero DMA address. " |
| 941 | "Virtual address %p\n", |
| 942 | dev->name, mac_control->zerodma_virt_addr); |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 943 | swstats->mem_freed += PAGE_SIZE; |
ravinandan.arakali@neterion.com | 776bd20 | 2005-09-06 21:36:56 -0700 | [diff] [blame] | 944 | } |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 945 | kfree(fifo->list_info); |
Joe Perches | 82c2d02 | 2009-08-24 17:29:48 +0000 | [diff] [blame] | 946 | swstats->mem_freed += tx_cfg->fifo_len * |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 947 | sizeof(struct list_info_hold); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 948 | } |
| 949 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 950 | size = SIZE_OF_BLOCK; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 951 | for (i = 0; i < config->rx_ring_num; i++) { |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 952 | struct ring_info *ring = &mac_control->rings[i]; |
| 953 | |
| 954 | blk_cnt = ring->block_count; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 955 | for (j = 0; j < blk_cnt; j++) { |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 956 | tmp_v_addr = ring->rx_blocks[j].block_virt_addr; |
| 957 | tmp_p_addr = ring->rx_blocks[j].block_dma_addr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 958 | if (tmp_v_addr == NULL) |
| 959 | break; |
| 960 | pci_free_consistent(nic->pdev, size, |
| 961 | tmp_v_addr, tmp_p_addr); |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 962 | swstats->mem_freed += size; |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 963 | kfree(ring->rx_blocks[j].rxds); |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 964 | swstats->mem_freed += sizeof(struct rxd_info) * |
| 965 | rxd_count[nic->rxd_mode]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 966 | } |
| 967 | } |
| 968 | |
Veena Parat | 6d517a2 | 2007-07-23 02:20:51 -0400 | [diff] [blame] | 969 | if (nic->rxd_mode == RXD_MODE_3B) { |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 970 | /* Freeing buffer storage addresses in 2BUFF mode. */ |
| 971 | for (i = 0; i < config->rx_ring_num; i++) { |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 972 | struct rx_ring_config *rx_cfg = &config->rx_cfg[i]; |
| 973 | struct ring_info *ring = &mac_control->rings[i]; |
| 974 | |
| 975 | blk_cnt = rx_cfg->num_rxd / |
| 976 | (rxd_count[nic->rxd_mode] + 1); |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 977 | for (j = 0; j < blk_cnt; j++) { |
| 978 | int k = 0; |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 979 | if (!ring->ba[j]) |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 980 | continue; |
| 981 | while (k != rxd_count[nic->rxd_mode]) { |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 982 | struct buffAdd *ba = &ring->ba[j][k]; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 983 | kfree(ba->ba_0_org); |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 984 | swstats->mem_freed += |
| 985 | BUF0_LEN + ALIGN_SIZE; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 986 | kfree(ba->ba_1_org); |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 987 | swstats->mem_freed += |
| 988 | BUF1_LEN + ALIGN_SIZE; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 989 | k++; |
| 990 | } |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 991 | kfree(ring->ba[j]); |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 992 | swstats->mem_freed += sizeof(struct buffAdd) * |
| 993 | (rxd_count[nic->rxd_mode] + 1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 994 | } |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 995 | kfree(ring->ba); |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 996 | swstats->mem_freed += sizeof(struct buffAdd *) * |
| 997 | blk_cnt; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 998 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 999 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1000 | |
Surjit Reang | 2fda096 | 2008-01-24 02:08:59 -0800 | [diff] [blame] | 1001 | for (i = 0; i < nic->config.tx_fifo_num; i++) { |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 1002 | struct fifo_info *fifo = &mac_control->fifos[i]; |
| 1003 | struct tx_fifo_config *tx_cfg = &config->tx_cfg[i]; |
| 1004 | |
| 1005 | if (fifo->ufo_in_band_v) { |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 1006 | swstats->mem_freed += tx_cfg->fifo_len * |
| 1007 | sizeof(u64); |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 1008 | kfree(fifo->ufo_in_band_v); |
Surjit Reang | 2fda096 | 2008-01-24 02:08:59 -0800 | [diff] [blame] | 1009 | } |
| 1010 | } |
| 1011 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1012 | if (mac_control->stats_mem) { |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 1013 | swstats->mem_freed += mac_control->stats_mem_sz; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1014 | pci_free_consistent(nic->pdev, |
| 1015 | mac_control->stats_mem_sz, |
| 1016 | mac_control->stats_mem, |
| 1017 | mac_control->stats_mem_phy); |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 1018 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1019 | } |
| 1020 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1021 | /** |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 1022 | * s2io_verify_pci_mode - |
| 1023 | */ |
| 1024 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 1025 | static int s2io_verify_pci_mode(struct s2io_nic *nic) |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 1026 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 1027 | struct XENA_dev_config __iomem *bar0 = nic->bar0; |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 1028 | register u64 val64 = 0; |
| 1029 | int mode; |
| 1030 | |
| 1031 | val64 = readq(&bar0->pci_mode); |
| 1032 | mode = (u8)GET_PCI_MODE(val64); |
| 1033 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1034 | if (val64 & PCI_MODE_UNKNOWN_MODE) |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 1035 | return -1; /* Unknown PCI mode */ |
| 1036 | return mode; |
| 1037 | } |
| 1038 | |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 1039 | #define NEC_VENID 0x1033 |
| 1040 | #define NEC_DEVID 0x0125 |
| 1041 | static int s2io_on_nec_bridge(struct pci_dev *s2io_pdev) |
| 1042 | { |
| 1043 | struct pci_dev *tdev = NULL; |
Alan Cox | 26d36b6 | 2006-09-15 15:22:51 +0100 | [diff] [blame] | 1044 | while ((tdev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, tdev)) != NULL) { |
| 1045 | if (tdev->vendor == NEC_VENID && tdev->device == NEC_DEVID) { |
Ilpo Järvinen | 7ad62dbc | 2008-05-13 14:16:54 +0300 | [diff] [blame] | 1046 | if (tdev->bus == s2io_pdev->bus->parent) { |
Alan Cox | 26d36b6 | 2006-09-15 15:22:51 +0100 | [diff] [blame] | 1047 | pci_dev_put(tdev); |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 1048 | return 1; |
Ilpo Järvinen | 7ad62dbc | 2008-05-13 14:16:54 +0300 | [diff] [blame] | 1049 | } |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 1050 | } |
| 1051 | } |
| 1052 | return 0; |
| 1053 | } |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 1054 | |
Adrian Bunk | 7b32a31 | 2006-05-16 17:30:50 +0200 | [diff] [blame] | 1055 | static int bus_speed[8] = {33, 133, 133, 200, 266, 133, 200, 266}; |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 1056 | /** |
| 1057 | * s2io_print_pci_mode - |
| 1058 | */ |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 1059 | static int s2io_print_pci_mode(struct s2io_nic *nic) |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 1060 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 1061 | struct XENA_dev_config __iomem *bar0 = nic->bar0; |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 1062 | register u64 val64 = 0; |
| 1063 | int mode; |
| 1064 | struct config_param *config = &nic->config; |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 1065 | const char *pcimode; |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 1066 | |
| 1067 | val64 = readq(&bar0->pci_mode); |
| 1068 | mode = (u8)GET_PCI_MODE(val64); |
| 1069 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1070 | if (val64 & PCI_MODE_UNKNOWN_MODE) |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 1071 | return -1; /* Unknown PCI mode */ |
| 1072 | |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 1073 | config->bus_speed = bus_speed[mode]; |
| 1074 | |
| 1075 | if (s2io_on_nec_bridge(nic->pdev)) { |
| 1076 | DBG_PRINT(ERR_DBG, "%s: Device is on PCI-E bus\n", |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1077 | nic->dev->name); |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 1078 | return mode; |
| 1079 | } |
| 1080 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1081 | switch (mode) { |
| 1082 | case PCI_MODE_PCI_33: |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 1083 | pcimode = "33MHz PCI bus"; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1084 | break; |
| 1085 | case PCI_MODE_PCI_66: |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 1086 | pcimode = "66MHz PCI bus"; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1087 | break; |
| 1088 | case PCI_MODE_PCIX_M1_66: |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 1089 | pcimode = "66MHz PCIX(M1) bus"; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1090 | break; |
| 1091 | case PCI_MODE_PCIX_M1_100: |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 1092 | pcimode = "100MHz PCIX(M1) bus"; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1093 | break; |
| 1094 | case PCI_MODE_PCIX_M1_133: |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 1095 | pcimode = "133MHz PCIX(M1) bus"; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1096 | break; |
| 1097 | case PCI_MODE_PCIX_M2_66: |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 1098 | pcimode = "133MHz PCIX(M2) bus"; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1099 | break; |
| 1100 | case PCI_MODE_PCIX_M2_100: |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 1101 | pcimode = "200MHz PCIX(M2) bus"; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1102 | break; |
| 1103 | case PCI_MODE_PCIX_M2_133: |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 1104 | pcimode = "266MHz PCIX(M2) bus"; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1105 | break; |
| 1106 | default: |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 1107 | pcimode = "unsupported bus!"; |
| 1108 | mode = -1; |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 1109 | } |
| 1110 | |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 1111 | DBG_PRINT(ERR_DBG, "%s: Device is on %d bit %s\n", |
| 1112 | nic->dev->name, val64 & PCI_MODE_32_BITS ? 32 : 64, pcimode); |
| 1113 | |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 1114 | return mode; |
| 1115 | } |
| 1116 | |
| 1117 | /** |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1118 | * init_tti - Initialization transmit traffic interrupt scheme |
| 1119 | * @nic: device private variable |
| 1120 | * @link: link status (UP/DOWN) used to enable/disable continuous |
| 1121 | * transmit interrupts |
| 1122 | * Description: The function configures transmit traffic interrupts |
| 1123 | * Return Value: SUCCESS on success and |
| 1124 | * '-1' on failure |
| 1125 | */ |
| 1126 | |
Adrian Bunk | 0d66afe | 2008-03-04 15:19:22 -0800 | [diff] [blame] | 1127 | static int init_tti(struct s2io_nic *nic, int link) |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1128 | { |
| 1129 | struct XENA_dev_config __iomem *bar0 = nic->bar0; |
| 1130 | register u64 val64 = 0; |
| 1131 | int i; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 1132 | struct config_param *config = &nic->config; |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1133 | |
| 1134 | for (i = 0; i < config->tx_fifo_num; i++) { |
| 1135 | /* |
| 1136 | * TTI Initialization. Default Tx timer gets us about |
| 1137 | * 250 interrupts per sec. Continuous interrupts are enabled |
| 1138 | * by default. |
| 1139 | */ |
| 1140 | if (nic->device_type == XFRAME_II_DEVICE) { |
| 1141 | int count = (nic->config.bus_speed * 125)/2; |
| 1142 | val64 = TTI_DATA1_MEM_TX_TIMER_VAL(count); |
| 1143 | } else |
| 1144 | val64 = TTI_DATA1_MEM_TX_TIMER_VAL(0x2078); |
| 1145 | |
| 1146 | val64 |= TTI_DATA1_MEM_TX_URNG_A(0xA) | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1147 | TTI_DATA1_MEM_TX_URNG_B(0x10) | |
| 1148 | TTI_DATA1_MEM_TX_URNG_C(0x30) | |
| 1149 | TTI_DATA1_MEM_TX_TIMER_AC_EN; |
Sreenivasa Honnur | ac731ab | 2008-05-12 13:41:32 -0400 | [diff] [blame] | 1150 | if (i == 0) |
| 1151 | if (use_continuous_tx_intrs && (link == LINK_UP)) |
| 1152 | val64 |= TTI_DATA1_MEM_TX_TIMER_CI_EN; |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1153 | writeq(val64, &bar0->tti_data1_mem); |
| 1154 | |
Sreenivasa Honnur | ac731ab | 2008-05-12 13:41:32 -0400 | [diff] [blame] | 1155 | if (nic->config.intr_type == MSI_X) { |
| 1156 | val64 = TTI_DATA2_MEM_TX_UFC_A(0x10) | |
| 1157 | TTI_DATA2_MEM_TX_UFC_B(0x100) | |
| 1158 | TTI_DATA2_MEM_TX_UFC_C(0x200) | |
| 1159 | TTI_DATA2_MEM_TX_UFC_D(0x300); |
| 1160 | } else { |
| 1161 | if ((nic->config.tx_steering_type == |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1162 | TX_DEFAULT_STEERING) && |
| 1163 | (config->tx_fifo_num > 1) && |
| 1164 | (i >= nic->udp_fifo_idx) && |
| 1165 | (i < (nic->udp_fifo_idx + |
| 1166 | nic->total_udp_fifos))) |
Sreenivasa Honnur | ac731ab | 2008-05-12 13:41:32 -0400 | [diff] [blame] | 1167 | val64 = TTI_DATA2_MEM_TX_UFC_A(0x50) | |
| 1168 | TTI_DATA2_MEM_TX_UFC_B(0x80) | |
| 1169 | TTI_DATA2_MEM_TX_UFC_C(0x100) | |
| 1170 | TTI_DATA2_MEM_TX_UFC_D(0x120); |
| 1171 | else |
| 1172 | val64 = TTI_DATA2_MEM_TX_UFC_A(0x10) | |
| 1173 | TTI_DATA2_MEM_TX_UFC_B(0x20) | |
| 1174 | TTI_DATA2_MEM_TX_UFC_C(0x40) | |
| 1175 | TTI_DATA2_MEM_TX_UFC_D(0x80); |
| 1176 | } |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1177 | |
| 1178 | writeq(val64, &bar0->tti_data2_mem); |
| 1179 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1180 | val64 = TTI_CMD_MEM_WE | |
| 1181 | TTI_CMD_MEM_STROBE_NEW_CMD | |
| 1182 | TTI_CMD_MEM_OFFSET(i); |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1183 | writeq(val64, &bar0->tti_command_mem); |
| 1184 | |
| 1185 | if (wait_for_cmd_complete(&bar0->tti_command_mem, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1186 | TTI_CMD_MEM_STROBE_NEW_CMD, |
| 1187 | S2IO_BIT_RESET) != SUCCESS) |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1188 | return FAILURE; |
| 1189 | } |
| 1190 | |
| 1191 | return SUCCESS; |
| 1192 | } |
| 1193 | |
| 1194 | /** |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1195 | * init_nic - Initialization of hardware |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1196 | * @nic: device private variable |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1197 | * Description: The function sequentially configures every block |
| 1198 | * of the H/W from their reset values. |
| 1199 | * Return Value: SUCCESS on success and |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1200 | * '-1' on failure (endian settings incorrect). |
| 1201 | */ |
| 1202 | |
| 1203 | static int init_nic(struct s2io_nic *nic) |
| 1204 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 1205 | struct XENA_dev_config __iomem *bar0 = nic->bar0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1206 | struct net_device *dev = nic->dev; |
| 1207 | register u64 val64 = 0; |
| 1208 | void __iomem *add; |
| 1209 | u32 time; |
| 1210 | int i, j; |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 1211 | int dtx_cnt = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1212 | unsigned long long mem_share; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1213 | int mem_size; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 1214 | struct config_param *config = &nic->config; |
| 1215 | struct mac_info *mac_control = &nic->mac_control; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1216 | |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1217 | /* to set the swapper controle on the card */ |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1218 | if (s2io_set_swapper(nic)) { |
| 1219 | DBG_PRINT(ERR_DBG, "ERROR: Setting Swapper failed\n"); |
Sreenivasa Honnur | 9f74ffd | 2007-11-30 01:46:08 -0500 | [diff] [blame] | 1220 | return -EIO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1221 | } |
| 1222 | |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 1223 | /* |
| 1224 | * Herc requires EOI to be removed from reset before XGXS, so.. |
| 1225 | */ |
| 1226 | if (nic->device_type & XFRAME_II_DEVICE) { |
| 1227 | val64 = 0xA500000000ULL; |
| 1228 | writeq(val64, &bar0->sw_reset); |
| 1229 | msleep(500); |
| 1230 | val64 = readq(&bar0->sw_reset); |
| 1231 | } |
| 1232 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1233 | /* Remove XGXS from reset state */ |
| 1234 | val64 = 0; |
| 1235 | writeq(val64, &bar0->sw_reset); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1236 | msleep(500); |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1237 | val64 = readq(&bar0->sw_reset); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1238 | |
Sreenivasa Honnur | 7962024 | 2007-12-05 23:59:28 -0500 | [diff] [blame] | 1239 | /* Ensure that it's safe to access registers by checking |
| 1240 | * RIC_RUNNING bit is reset. Check is valid only for XframeII. |
| 1241 | */ |
| 1242 | if (nic->device_type == XFRAME_II_DEVICE) { |
| 1243 | for (i = 0; i < 50; i++) { |
| 1244 | val64 = readq(&bar0->adapter_status); |
| 1245 | if (!(val64 & ADAPTER_STATUS_RIC_RUNNING)) |
| 1246 | break; |
| 1247 | msleep(10); |
| 1248 | } |
| 1249 | if (i == 50) |
| 1250 | return -ENODEV; |
| 1251 | } |
| 1252 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1253 | /* Enable Receiving broadcasts */ |
| 1254 | add = &bar0->mac_cfg; |
| 1255 | val64 = readq(&bar0->mac_cfg); |
| 1256 | val64 |= MAC_RMAC_BCAST_ENABLE; |
| 1257 | writeq(RMAC_CFG_KEY(0x4C0D), &bar0->rmac_cfg_key); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1258 | writel((u32)val64, add); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1259 | writeq(RMAC_CFG_KEY(0x4C0D), &bar0->rmac_cfg_key); |
| 1260 | writel((u32) (val64 >> 32), (add + 4)); |
| 1261 | |
| 1262 | /* Read registers in all blocks */ |
| 1263 | val64 = readq(&bar0->mac_int_mask); |
| 1264 | val64 = readq(&bar0->mc_int_mask); |
| 1265 | val64 = readq(&bar0->xgxs_int_mask); |
| 1266 | |
| 1267 | /* Set MTU */ |
| 1268 | val64 = dev->mtu; |
| 1269 | writeq(vBIT(val64, 2, 14), &bar0->rmac_max_pyld_len); |
| 1270 | |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 1271 | if (nic->device_type & XFRAME_II_DEVICE) { |
| 1272 | while (herc_act_dtx_cfg[dtx_cnt] != END_SIGN) { |
raghavendra.koushik@neterion.com | 303bcb4 | 2005-08-03 12:41:38 -0700 | [diff] [blame] | 1273 | SPECIAL_REG_WRITE(herc_act_dtx_cfg[dtx_cnt], |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1274 | &bar0->dtx_control, UF); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 1275 | if (dtx_cnt & 0x1) |
| 1276 | msleep(1); /* Necessary!! */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1277 | dtx_cnt++; |
| 1278 | } |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 1279 | } else { |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 1280 | while (xena_dtx_cfg[dtx_cnt] != END_SIGN) { |
| 1281 | SPECIAL_REG_WRITE(xena_dtx_cfg[dtx_cnt], |
| 1282 | &bar0->dtx_control, UF); |
| 1283 | val64 = readq(&bar0->dtx_control); |
| 1284 | dtx_cnt++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1285 | } |
| 1286 | } |
| 1287 | |
| 1288 | /* Tx DMA Initialization */ |
| 1289 | val64 = 0; |
| 1290 | writeq(val64, &bar0->tx_fifo_partition_0); |
| 1291 | writeq(val64, &bar0->tx_fifo_partition_1); |
| 1292 | writeq(val64, &bar0->tx_fifo_partition_2); |
| 1293 | writeq(val64, &bar0->tx_fifo_partition_3); |
| 1294 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1295 | for (i = 0, j = 0; i < config->tx_fifo_num; i++) { |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 1296 | struct tx_fifo_config *tx_cfg = &config->tx_cfg[i]; |
| 1297 | |
| 1298 | val64 |= vBIT(tx_cfg->fifo_len - 1, ((j * 32) + 19), 13) | |
| 1299 | vBIT(tx_cfg->fifo_priority, ((j * 32) + 5), 3); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1300 | |
| 1301 | if (i == (config->tx_fifo_num - 1)) { |
| 1302 | if (i % 2 == 0) |
| 1303 | i++; |
| 1304 | } |
| 1305 | |
| 1306 | switch (i) { |
| 1307 | case 1: |
| 1308 | writeq(val64, &bar0->tx_fifo_partition_0); |
| 1309 | val64 = 0; |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1310 | j = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1311 | break; |
| 1312 | case 3: |
| 1313 | writeq(val64, &bar0->tx_fifo_partition_1); |
| 1314 | val64 = 0; |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1315 | j = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1316 | break; |
| 1317 | case 5: |
| 1318 | writeq(val64, &bar0->tx_fifo_partition_2); |
| 1319 | val64 = 0; |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1320 | j = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1321 | break; |
| 1322 | case 7: |
| 1323 | writeq(val64, &bar0->tx_fifo_partition_3); |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1324 | val64 = 0; |
| 1325 | j = 0; |
| 1326 | break; |
| 1327 | default: |
| 1328 | j++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1329 | break; |
| 1330 | } |
| 1331 | } |
| 1332 | |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1333 | /* |
| 1334 | * Disable 4 PCCs for Xena1, 2 and 3 as per H/W bug |
| 1335 | * SXE-008 TRANSMIT DMA ARBITRATION ISSUE. |
| 1336 | */ |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1337 | if ((nic->device_type == XFRAME_I_DEVICE) && (nic->pdev->revision < 4)) |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1338 | writeq(PCC_ENABLE_FOUR, &bar0->pcc_enable); |
| 1339 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1340 | val64 = readq(&bar0->tx_fifo_partition_0); |
| 1341 | DBG_PRINT(INIT_DBG, "Fifo partition at: 0x%p is: 0x%llx\n", |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1342 | &bar0->tx_fifo_partition_0, (unsigned long long)val64); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1343 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1344 | /* |
| 1345 | * Initialization of Tx_PA_CONFIG register to ignore packet |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1346 | * integrity checking. |
| 1347 | */ |
| 1348 | val64 = readq(&bar0->tx_pa_cfg); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1349 | val64 |= TX_PA_CFG_IGNORE_FRM_ERR | |
| 1350 | TX_PA_CFG_IGNORE_SNAP_OUI | |
| 1351 | TX_PA_CFG_IGNORE_LLC_CTRL | |
| 1352 | TX_PA_CFG_IGNORE_L2_ERR; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1353 | writeq(val64, &bar0->tx_pa_cfg); |
| 1354 | |
| 1355 | /* Rx DMA intialization. */ |
| 1356 | val64 = 0; |
| 1357 | for (i = 0; i < config->rx_ring_num; i++) { |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 1358 | struct rx_ring_config *rx_cfg = &config->rx_cfg[i]; |
| 1359 | |
| 1360 | val64 |= vBIT(rx_cfg->ring_priority, (5 + (i * 8)), 3); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1361 | } |
| 1362 | writeq(val64, &bar0->rx_queue_priority); |
| 1363 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1364 | /* |
| 1365 | * Allocating equal share of memory to all the |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1366 | * configured Rings. |
| 1367 | */ |
| 1368 | val64 = 0; |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 1369 | if (nic->device_type & XFRAME_II_DEVICE) |
| 1370 | mem_size = 32; |
| 1371 | else |
| 1372 | mem_size = 64; |
| 1373 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1374 | for (i = 0; i < config->rx_ring_num; i++) { |
| 1375 | switch (i) { |
| 1376 | case 0: |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1377 | mem_share = (mem_size / config->rx_ring_num + |
| 1378 | mem_size % config->rx_ring_num); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1379 | val64 |= RX_QUEUE_CFG_Q0_SZ(mem_share); |
| 1380 | continue; |
| 1381 | case 1: |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1382 | mem_share = (mem_size / config->rx_ring_num); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1383 | val64 |= RX_QUEUE_CFG_Q1_SZ(mem_share); |
| 1384 | continue; |
| 1385 | case 2: |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1386 | mem_share = (mem_size / config->rx_ring_num); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1387 | val64 |= RX_QUEUE_CFG_Q2_SZ(mem_share); |
| 1388 | continue; |
| 1389 | case 3: |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1390 | mem_share = (mem_size / config->rx_ring_num); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1391 | val64 |= RX_QUEUE_CFG_Q3_SZ(mem_share); |
| 1392 | continue; |
| 1393 | case 4: |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1394 | mem_share = (mem_size / config->rx_ring_num); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1395 | val64 |= RX_QUEUE_CFG_Q4_SZ(mem_share); |
| 1396 | continue; |
| 1397 | case 5: |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1398 | mem_share = (mem_size / config->rx_ring_num); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1399 | val64 |= RX_QUEUE_CFG_Q5_SZ(mem_share); |
| 1400 | continue; |
| 1401 | case 6: |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1402 | mem_share = (mem_size / config->rx_ring_num); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1403 | val64 |= RX_QUEUE_CFG_Q6_SZ(mem_share); |
| 1404 | continue; |
| 1405 | case 7: |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1406 | mem_share = (mem_size / config->rx_ring_num); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1407 | val64 |= RX_QUEUE_CFG_Q7_SZ(mem_share); |
| 1408 | continue; |
| 1409 | } |
| 1410 | } |
| 1411 | writeq(val64, &bar0->rx_queue_cfg); |
| 1412 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1413 | /* |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1414 | * Filling Tx round robin registers |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1415 | * as per the number of FIFOs for equal scheduling priority |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1416 | */ |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1417 | switch (config->tx_fifo_num) { |
| 1418 | case 1: |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1419 | val64 = 0x0; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1420 | writeq(val64, &bar0->tx_w_round_robin_0); |
| 1421 | writeq(val64, &bar0->tx_w_round_robin_1); |
| 1422 | writeq(val64, &bar0->tx_w_round_robin_2); |
| 1423 | writeq(val64, &bar0->tx_w_round_robin_3); |
| 1424 | writeq(val64, &bar0->tx_w_round_robin_4); |
| 1425 | break; |
| 1426 | case 2: |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1427 | val64 = 0x0001000100010001ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1428 | writeq(val64, &bar0->tx_w_round_robin_0); |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1429 | writeq(val64, &bar0->tx_w_round_robin_1); |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1430 | writeq(val64, &bar0->tx_w_round_robin_2); |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1431 | writeq(val64, &bar0->tx_w_round_robin_3); |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1432 | val64 = 0x0001000100000000ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1433 | writeq(val64, &bar0->tx_w_round_robin_4); |
| 1434 | break; |
| 1435 | case 3: |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1436 | val64 = 0x0001020001020001ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1437 | writeq(val64, &bar0->tx_w_round_robin_0); |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1438 | val64 = 0x0200010200010200ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1439 | writeq(val64, &bar0->tx_w_round_robin_1); |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1440 | val64 = 0x0102000102000102ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1441 | writeq(val64, &bar0->tx_w_round_robin_2); |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1442 | val64 = 0x0001020001020001ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1443 | writeq(val64, &bar0->tx_w_round_robin_3); |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1444 | val64 = 0x0200010200000000ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1445 | writeq(val64, &bar0->tx_w_round_robin_4); |
| 1446 | break; |
| 1447 | case 4: |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1448 | val64 = 0x0001020300010203ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1449 | writeq(val64, &bar0->tx_w_round_robin_0); |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1450 | writeq(val64, &bar0->tx_w_round_robin_1); |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1451 | writeq(val64, &bar0->tx_w_round_robin_2); |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1452 | writeq(val64, &bar0->tx_w_round_robin_3); |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1453 | val64 = 0x0001020300000000ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1454 | writeq(val64, &bar0->tx_w_round_robin_4); |
| 1455 | break; |
| 1456 | case 5: |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1457 | val64 = 0x0001020304000102ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1458 | writeq(val64, &bar0->tx_w_round_robin_0); |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1459 | val64 = 0x0304000102030400ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1460 | writeq(val64, &bar0->tx_w_round_robin_1); |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1461 | val64 = 0x0102030400010203ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1462 | writeq(val64, &bar0->tx_w_round_robin_2); |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1463 | val64 = 0x0400010203040001ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1464 | writeq(val64, &bar0->tx_w_round_robin_3); |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1465 | val64 = 0x0203040000000000ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1466 | writeq(val64, &bar0->tx_w_round_robin_4); |
| 1467 | break; |
| 1468 | case 6: |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1469 | val64 = 0x0001020304050001ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1470 | writeq(val64, &bar0->tx_w_round_robin_0); |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1471 | val64 = 0x0203040500010203ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1472 | writeq(val64, &bar0->tx_w_round_robin_1); |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1473 | val64 = 0x0405000102030405ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1474 | writeq(val64, &bar0->tx_w_round_robin_2); |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1475 | val64 = 0x0001020304050001ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1476 | writeq(val64, &bar0->tx_w_round_robin_3); |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1477 | val64 = 0x0203040500000000ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1478 | writeq(val64, &bar0->tx_w_round_robin_4); |
| 1479 | break; |
| 1480 | case 7: |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1481 | val64 = 0x0001020304050600ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1482 | writeq(val64, &bar0->tx_w_round_robin_0); |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1483 | val64 = 0x0102030405060001ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1484 | writeq(val64, &bar0->tx_w_round_robin_1); |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1485 | val64 = 0x0203040506000102ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1486 | writeq(val64, &bar0->tx_w_round_robin_2); |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1487 | val64 = 0x0304050600010203ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1488 | writeq(val64, &bar0->tx_w_round_robin_3); |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1489 | val64 = 0x0405060000000000ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1490 | writeq(val64, &bar0->tx_w_round_robin_4); |
| 1491 | break; |
| 1492 | case 8: |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1493 | val64 = 0x0001020304050607ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1494 | writeq(val64, &bar0->tx_w_round_robin_0); |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1495 | writeq(val64, &bar0->tx_w_round_robin_1); |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1496 | writeq(val64, &bar0->tx_w_round_robin_2); |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1497 | writeq(val64, &bar0->tx_w_round_robin_3); |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1498 | val64 = 0x0001020300000000ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1499 | writeq(val64, &bar0->tx_w_round_robin_4); |
| 1500 | break; |
| 1501 | } |
| 1502 | |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 1503 | /* Enable all configured Tx FIFO partitions */ |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 1504 | val64 = readq(&bar0->tx_fifo_partition_0); |
| 1505 | val64 |= (TX_FIFO_PARTITION_EN); |
| 1506 | writeq(val64, &bar0->tx_fifo_partition_0); |
| 1507 | |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1508 | /* Filling the Rx round robin registers as per the |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 1509 | * number of Rings and steering based on QoS with |
| 1510 | * equal priority. |
| 1511 | */ |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1512 | switch (config->rx_ring_num) { |
| 1513 | case 1: |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 1514 | val64 = 0x0; |
| 1515 | writeq(val64, &bar0->rx_w_round_robin_0); |
| 1516 | writeq(val64, &bar0->rx_w_round_robin_1); |
| 1517 | writeq(val64, &bar0->rx_w_round_robin_2); |
| 1518 | writeq(val64, &bar0->rx_w_round_robin_3); |
| 1519 | writeq(val64, &bar0->rx_w_round_robin_4); |
| 1520 | |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1521 | val64 = 0x8080808080808080ULL; |
| 1522 | writeq(val64, &bar0->rts_qos_steering); |
| 1523 | break; |
| 1524 | case 2: |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 1525 | val64 = 0x0001000100010001ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1526 | writeq(val64, &bar0->rx_w_round_robin_0); |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1527 | writeq(val64, &bar0->rx_w_round_robin_1); |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1528 | writeq(val64, &bar0->rx_w_round_robin_2); |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1529 | writeq(val64, &bar0->rx_w_round_robin_3); |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 1530 | val64 = 0x0001000100000000ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1531 | writeq(val64, &bar0->rx_w_round_robin_4); |
| 1532 | |
| 1533 | val64 = 0x8080808040404040ULL; |
| 1534 | writeq(val64, &bar0->rts_qos_steering); |
| 1535 | break; |
| 1536 | case 3: |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 1537 | val64 = 0x0001020001020001ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1538 | writeq(val64, &bar0->rx_w_round_robin_0); |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 1539 | val64 = 0x0200010200010200ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1540 | writeq(val64, &bar0->rx_w_round_robin_1); |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 1541 | val64 = 0x0102000102000102ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1542 | writeq(val64, &bar0->rx_w_round_robin_2); |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 1543 | val64 = 0x0001020001020001ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1544 | writeq(val64, &bar0->rx_w_round_robin_3); |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 1545 | val64 = 0x0200010200000000ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1546 | writeq(val64, &bar0->rx_w_round_robin_4); |
| 1547 | |
| 1548 | val64 = 0x8080804040402020ULL; |
| 1549 | writeq(val64, &bar0->rts_qos_steering); |
| 1550 | break; |
| 1551 | case 4: |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 1552 | val64 = 0x0001020300010203ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1553 | writeq(val64, &bar0->rx_w_round_robin_0); |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1554 | writeq(val64, &bar0->rx_w_round_robin_1); |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1555 | writeq(val64, &bar0->rx_w_round_robin_2); |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1556 | writeq(val64, &bar0->rx_w_round_robin_3); |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 1557 | val64 = 0x0001020300000000ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1558 | writeq(val64, &bar0->rx_w_round_robin_4); |
| 1559 | |
| 1560 | val64 = 0x8080404020201010ULL; |
| 1561 | writeq(val64, &bar0->rts_qos_steering); |
| 1562 | break; |
| 1563 | case 5: |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 1564 | val64 = 0x0001020304000102ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1565 | writeq(val64, &bar0->rx_w_round_robin_0); |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 1566 | val64 = 0x0304000102030400ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1567 | writeq(val64, &bar0->rx_w_round_robin_1); |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 1568 | val64 = 0x0102030400010203ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1569 | writeq(val64, &bar0->rx_w_round_robin_2); |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 1570 | val64 = 0x0400010203040001ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1571 | writeq(val64, &bar0->rx_w_round_robin_3); |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 1572 | val64 = 0x0203040000000000ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1573 | writeq(val64, &bar0->rx_w_round_robin_4); |
| 1574 | |
| 1575 | val64 = 0x8080404020201008ULL; |
| 1576 | writeq(val64, &bar0->rts_qos_steering); |
| 1577 | break; |
| 1578 | case 6: |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 1579 | val64 = 0x0001020304050001ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1580 | writeq(val64, &bar0->rx_w_round_robin_0); |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 1581 | val64 = 0x0203040500010203ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1582 | writeq(val64, &bar0->rx_w_round_robin_1); |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 1583 | val64 = 0x0405000102030405ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1584 | writeq(val64, &bar0->rx_w_round_robin_2); |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 1585 | val64 = 0x0001020304050001ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1586 | writeq(val64, &bar0->rx_w_round_robin_3); |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 1587 | val64 = 0x0203040500000000ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1588 | writeq(val64, &bar0->rx_w_round_robin_4); |
| 1589 | |
| 1590 | val64 = 0x8080404020100804ULL; |
| 1591 | writeq(val64, &bar0->rts_qos_steering); |
| 1592 | break; |
| 1593 | case 7: |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 1594 | val64 = 0x0001020304050600ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1595 | writeq(val64, &bar0->rx_w_round_robin_0); |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 1596 | val64 = 0x0102030405060001ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1597 | writeq(val64, &bar0->rx_w_round_robin_1); |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 1598 | val64 = 0x0203040506000102ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1599 | writeq(val64, &bar0->rx_w_round_robin_2); |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 1600 | val64 = 0x0304050600010203ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1601 | writeq(val64, &bar0->rx_w_round_robin_3); |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 1602 | val64 = 0x0405060000000000ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1603 | writeq(val64, &bar0->rx_w_round_robin_4); |
| 1604 | |
| 1605 | val64 = 0x8080402010080402ULL; |
| 1606 | writeq(val64, &bar0->rts_qos_steering); |
| 1607 | break; |
| 1608 | case 8: |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 1609 | val64 = 0x0001020304050607ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1610 | writeq(val64, &bar0->rx_w_round_robin_0); |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1611 | writeq(val64, &bar0->rx_w_round_robin_1); |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1612 | writeq(val64, &bar0->rx_w_round_robin_2); |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1613 | writeq(val64, &bar0->rx_w_round_robin_3); |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 1614 | val64 = 0x0001020300000000ULL; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1615 | writeq(val64, &bar0->rx_w_round_robin_4); |
| 1616 | |
| 1617 | val64 = 0x8040201008040201ULL; |
| 1618 | writeq(val64, &bar0->rts_qos_steering); |
| 1619 | break; |
| 1620 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1621 | |
| 1622 | /* UDP Fix */ |
| 1623 | val64 = 0; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1624 | for (i = 0; i < 8; i++) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1625 | writeq(val64, &bar0->rts_frm_len_n[i]); |
| 1626 | |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1627 | /* Set the default rts frame length for the rings configured */ |
| 1628 | val64 = MAC_RTS_FRM_LEN_SET(dev->mtu+22); |
| 1629 | for (i = 0 ; i < config->rx_ring_num ; i++) |
| 1630 | writeq(val64, &bar0->rts_frm_len_n[i]); |
| 1631 | |
| 1632 | /* Set the frame length for the configured rings |
| 1633 | * desired by the user |
| 1634 | */ |
| 1635 | for (i = 0; i < config->rx_ring_num; i++) { |
| 1636 | /* If rts_frm_len[i] == 0 then it is assumed that user not |
| 1637 | * specified frame length steering. |
| 1638 | * If the user provides the frame length then program |
| 1639 | * the rts_frm_len register for those values or else |
| 1640 | * leave it as it is. |
| 1641 | */ |
| 1642 | if (rts_frm_len[i] != 0) { |
| 1643 | writeq(MAC_RTS_FRM_LEN_SET(rts_frm_len[i]), |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1644 | &bar0->rts_frm_len_n[i]); |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 1645 | } |
| 1646 | } |
Sivakumar Subramani | 8a4bdba | 2007-09-18 18:14:20 -0400 | [diff] [blame] | 1647 | |
Sivakumar Subramani | 9fc93a4 | 2007-02-24 01:57:32 -0500 | [diff] [blame] | 1648 | /* Disable differentiated services steering logic */ |
| 1649 | for (i = 0; i < 64; i++) { |
| 1650 | if (rts_ds_steer(nic, i, 0) == FAILURE) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 1651 | DBG_PRINT(ERR_DBG, |
| 1652 | "%s: rts_ds_steer failed on codepoint %d\n", |
| 1653 | dev->name, i); |
Sreenivasa Honnur | 9f74ffd | 2007-11-30 01:46:08 -0500 | [diff] [blame] | 1654 | return -ENODEV; |
Sivakumar Subramani | 9fc93a4 | 2007-02-24 01:57:32 -0500 | [diff] [blame] | 1655 | } |
| 1656 | } |
| 1657 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1658 | /* Program statistics memory */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1659 | writeq(mac_control->stats_mem_phy, &bar0->stat_addr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1660 | |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 1661 | if (nic->device_type == XFRAME_II_DEVICE) { |
| 1662 | val64 = STAT_BC(0x320); |
| 1663 | writeq(val64, &bar0->stat_byte_cnt); |
| 1664 | } |
| 1665 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1666 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1667 | * Initializing the sampling rate for the device to calculate the |
| 1668 | * bandwidth utilization. |
| 1669 | */ |
| 1670 | val64 = MAC_TX_LINK_UTIL_VAL(tmac_util_period) | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1671 | MAC_RX_LINK_UTIL_VAL(rmac_util_period); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1672 | writeq(val64, &bar0->mac_link_util); |
| 1673 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1674 | /* |
| 1675 | * Initializing the Transmit and Receive Traffic Interrupt |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1676 | * Scheme. |
| 1677 | */ |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 1678 | |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 1679 | /* Initialize TTI */ |
| 1680 | if (SUCCESS != init_tti(nic, nic->last_link_state)) |
| 1681 | return -ENODEV; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1682 | |
Sivakumar Subramani | 8a4bdba | 2007-09-18 18:14:20 -0400 | [diff] [blame] | 1683 | /* RTI Initialization */ |
| 1684 | if (nic->device_type == XFRAME_II_DEVICE) { |
| 1685 | /* |
| 1686 | * Programmed to generate Apprx 500 Intrs per |
| 1687 | * second |
| 1688 | */ |
| 1689 | int count = (nic->config.bus_speed * 125)/4; |
| 1690 | val64 = RTI_DATA1_MEM_RX_TIMER_VAL(count); |
| 1691 | } else |
| 1692 | val64 = RTI_DATA1_MEM_RX_TIMER_VAL(0xFFF); |
| 1693 | val64 |= RTI_DATA1_MEM_RX_URNG_A(0xA) | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1694 | RTI_DATA1_MEM_RX_URNG_B(0x10) | |
| 1695 | RTI_DATA1_MEM_RX_URNG_C(0x30) | |
| 1696 | RTI_DATA1_MEM_RX_TIMER_AC_EN; |
Sivakumar Subramani | 8a4bdba | 2007-09-18 18:14:20 -0400 | [diff] [blame] | 1697 | |
| 1698 | writeq(val64, &bar0->rti_data1_mem); |
| 1699 | |
| 1700 | val64 = RTI_DATA2_MEM_RX_UFC_A(0x1) | |
| 1701 | RTI_DATA2_MEM_RX_UFC_B(0x2) ; |
| 1702 | if (nic->config.intr_type == MSI_X) |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1703 | val64 |= (RTI_DATA2_MEM_RX_UFC_C(0x20) | |
| 1704 | RTI_DATA2_MEM_RX_UFC_D(0x40)); |
Sivakumar Subramani | 8a4bdba | 2007-09-18 18:14:20 -0400 | [diff] [blame] | 1705 | else |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1706 | val64 |= (RTI_DATA2_MEM_RX_UFC_C(0x40) | |
| 1707 | RTI_DATA2_MEM_RX_UFC_D(0x80)); |
Sivakumar Subramani | 8a4bdba | 2007-09-18 18:14:20 -0400 | [diff] [blame] | 1708 | writeq(val64, &bar0->rti_data2_mem); |
| 1709 | |
| 1710 | for (i = 0; i < config->rx_ring_num; i++) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1711 | val64 = RTI_CMD_MEM_WE | |
| 1712 | RTI_CMD_MEM_STROBE_NEW_CMD | |
| 1713 | RTI_CMD_MEM_OFFSET(i); |
Sivakumar Subramani | 8a4bdba | 2007-09-18 18:14:20 -0400 | [diff] [blame] | 1714 | writeq(val64, &bar0->rti_command_mem); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 1715 | |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 1716 | /* |
Sivakumar Subramani | 8a4bdba | 2007-09-18 18:14:20 -0400 | [diff] [blame] | 1717 | * Once the operation completes, the Strobe bit of the |
| 1718 | * command register will be reset. We poll for this |
| 1719 | * particular condition. We wait for a maximum of 500ms |
| 1720 | * for the operation to complete, if it's not complete |
| 1721 | * by then we return error. |
| 1722 | */ |
| 1723 | time = 0; |
Tobias Klauser | f957bcf | 2009-06-04 23:07:59 +0000 | [diff] [blame] | 1724 | while (true) { |
Sivakumar Subramani | 8a4bdba | 2007-09-18 18:14:20 -0400 | [diff] [blame] | 1725 | val64 = readq(&bar0->rti_command_mem); |
| 1726 | if (!(val64 & RTI_CMD_MEM_STROBE_NEW_CMD)) |
| 1727 | break; |
| 1728 | |
| 1729 | if (time > 10) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 1730 | DBG_PRINT(ERR_DBG, "%s: RTI init failed\n", |
Sivakumar Subramani | 8a4bdba | 2007-09-18 18:14:20 -0400 | [diff] [blame] | 1731 | dev->name); |
Sreenivasa Honnur | 9f74ffd | 2007-11-30 01:46:08 -0500 | [diff] [blame] | 1732 | return -ENODEV; |
raghavendra.koushik@neterion.com | b6e3f98 | 2005-08-03 12:38:01 -0700 | [diff] [blame] | 1733 | } |
Sivakumar Subramani | 8a4bdba | 2007-09-18 18:14:20 -0400 | [diff] [blame] | 1734 | time++; |
| 1735 | msleep(50); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1736 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1737 | } |
| 1738 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1739 | /* |
| 1740 | * Initializing proper values as Pause threshold into all |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1741 | * the 8 Queues on Rx side. |
| 1742 | */ |
| 1743 | writeq(0xffbbffbbffbbffbbULL, &bar0->mc_pause_thresh_q0q3); |
| 1744 | writeq(0xffbbffbbffbbffbbULL, &bar0->mc_pause_thresh_q4q7); |
| 1745 | |
| 1746 | /* Disable RMAC PAD STRIPPING */ |
viro@ftp.linux.org.uk | 509a267 | 2005-09-05 03:25:58 +0100 | [diff] [blame] | 1747 | add = &bar0->mac_cfg; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1748 | val64 = readq(&bar0->mac_cfg); |
| 1749 | val64 &= ~(MAC_CFG_RMAC_STRIP_PAD); |
| 1750 | writeq(RMAC_CFG_KEY(0x4C0D), &bar0->rmac_cfg_key); |
| 1751 | writel((u32) (val64), add); |
| 1752 | writeq(RMAC_CFG_KEY(0x4C0D), &bar0->rmac_cfg_key); |
| 1753 | writel((u32) (val64 >> 32), (add + 4)); |
| 1754 | val64 = readq(&bar0->mac_cfg); |
| 1755 | |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 1756 | /* Enable FCS stripping by adapter */ |
| 1757 | add = &bar0->mac_cfg; |
| 1758 | val64 = readq(&bar0->mac_cfg); |
| 1759 | val64 |= MAC_CFG_RMAC_STRIP_FCS; |
| 1760 | if (nic->device_type == XFRAME_II_DEVICE) |
| 1761 | writeq(val64, &bar0->mac_cfg); |
| 1762 | else { |
| 1763 | writeq(RMAC_CFG_KEY(0x4C0D), &bar0->rmac_cfg_key); |
| 1764 | writel((u32) (val64), add); |
| 1765 | writeq(RMAC_CFG_KEY(0x4C0D), &bar0->rmac_cfg_key); |
| 1766 | writel((u32) (val64 >> 32), (add + 4)); |
| 1767 | } |
| 1768 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1769 | /* |
| 1770 | * Set the time value to be inserted in the pause frame |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1771 | * generated by xena. |
| 1772 | */ |
| 1773 | val64 = readq(&bar0->rmac_pause_cfg); |
| 1774 | val64 &= ~(RMAC_PAUSE_HG_PTIME(0xffff)); |
| 1775 | val64 |= RMAC_PAUSE_HG_PTIME(nic->mac_control.rmac_pause_time); |
| 1776 | writeq(val64, &bar0->rmac_pause_cfg); |
| 1777 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1778 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1779 | * Set the Threshold Limit for Generating the pause frame |
| 1780 | * If the amount of data in any Queue exceeds ratio of |
| 1781 | * (mac_control.mc_pause_threshold_q0q3 or q4q7)/256 |
| 1782 | * pause frame is generated |
| 1783 | */ |
| 1784 | val64 = 0; |
| 1785 | for (i = 0; i < 4; i++) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1786 | val64 |= (((u64)0xFF00 | |
| 1787 | nic->mac_control.mc_pause_threshold_q0q3) |
| 1788 | << (i * 2 * 8)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1789 | } |
| 1790 | writeq(val64, &bar0->mc_pause_thresh_q0q3); |
| 1791 | |
| 1792 | val64 = 0; |
| 1793 | for (i = 0; i < 4; i++) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1794 | val64 |= (((u64)0xFF00 | |
| 1795 | nic->mac_control.mc_pause_threshold_q4q7) |
| 1796 | << (i * 2 * 8)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1797 | } |
| 1798 | writeq(val64, &bar0->mc_pause_thresh_q4q7); |
| 1799 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1800 | /* |
| 1801 | * TxDMA will stop Read request if the number of read split has |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1802 | * exceeded the limit pointed by shared_splits |
| 1803 | */ |
| 1804 | val64 = readq(&bar0->pic_control); |
| 1805 | val64 |= PIC_CNTL_SHARED_SPLITS(shared_splits); |
| 1806 | writeq(val64, &bar0->pic_control); |
| 1807 | |
Ananda Raju | 863c11a | 2006-04-21 19:03:13 -0400 | [diff] [blame] | 1808 | if (nic->config.bus_speed == 266) { |
| 1809 | writeq(TXREQTO_VAL(0x7f) | TXREQTO_EN, &bar0->txreqtimeout); |
| 1810 | writeq(0x0, &bar0->read_retry_delay); |
| 1811 | writeq(0x0, &bar0->write_retry_delay); |
| 1812 | } |
| 1813 | |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 1814 | /* |
| 1815 | * Programming the Herc to split every write transaction |
| 1816 | * that does not start on an ADB to reduce disconnects. |
| 1817 | */ |
| 1818 | if (nic->device_type == XFRAME_II_DEVICE) { |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 1819 | val64 = FAULT_BEHAVIOUR | EXT_REQ_EN | |
| 1820 | MISC_LINK_STABILITY_PRD(3); |
Ananda Raju | 863c11a | 2006-04-21 19:03:13 -0400 | [diff] [blame] | 1821 | writeq(val64, &bar0->misc_control); |
| 1822 | val64 = readq(&bar0->pic_control2); |
Jiri Slaby | b7b5a12 | 2007-10-18 23:40:29 -0700 | [diff] [blame] | 1823 | val64 &= ~(s2BIT(13)|s2BIT(14)|s2BIT(15)); |
Ananda Raju | 863c11a | 2006-04-21 19:03:13 -0400 | [diff] [blame] | 1824 | writeq(val64, &bar0->pic_control2); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 1825 | } |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 1826 | if (strstr(nic->product_name, "CX4")) { |
| 1827 | val64 = TMAC_AVG_IPG(0x17); |
| 1828 | writeq(val64, &bar0->tmac_avg_ipg); |
raghavendra.koushik@neterion.com | a371a07 | 2005-08-03 12:38:59 -0700 | [diff] [blame] | 1829 | } |
| 1830 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1831 | return SUCCESS; |
| 1832 | } |
raghavendra.koushik@neterion.com | a371a07 | 2005-08-03 12:38:59 -0700 | [diff] [blame] | 1833 | #define LINK_UP_DOWN_INTERRUPT 1 |
| 1834 | #define MAC_RMAC_ERR_TIMER 2 |
| 1835 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 1836 | static int s2io_link_fault_indication(struct s2io_nic *nic) |
raghavendra.koushik@neterion.com | a371a07 | 2005-08-03 12:38:59 -0700 | [diff] [blame] | 1837 | { |
| 1838 | if (nic->device_type == XFRAME_II_DEVICE) |
| 1839 | return LINK_UP_DOWN_INTERRUPT; |
| 1840 | else |
| 1841 | return MAC_RMAC_ERR_TIMER; |
| 1842 | } |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 1843 | |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 1844 | /** |
| 1845 | * do_s2io_write_bits - update alarm bits in alarm register |
| 1846 | * @value: alarm bits |
| 1847 | * @flag: interrupt status |
| 1848 | * @addr: address value |
| 1849 | * Description: update alarm bits in alarm register |
| 1850 | * Return Value: |
| 1851 | * NONE. |
| 1852 | */ |
| 1853 | static void do_s2io_write_bits(u64 value, int flag, void __iomem *addr) |
| 1854 | { |
| 1855 | u64 temp64; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1856 | |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 1857 | temp64 = readq(addr); |
| 1858 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1859 | if (flag == ENABLE_INTRS) |
| 1860 | temp64 &= ~((u64)value); |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 1861 | else |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1862 | temp64 |= ((u64)value); |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 1863 | writeq(temp64, addr); |
| 1864 | } |
| 1865 | |
Stephen Hemminger | 43b7c45 | 2007-10-05 12:39:21 -0700 | [diff] [blame] | 1866 | static void en_dis_err_alarms(struct s2io_nic *nic, u16 mask, int flag) |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 1867 | { |
| 1868 | struct XENA_dev_config __iomem *bar0 = nic->bar0; |
| 1869 | register u64 gen_int_mask = 0; |
Sreenivasa Honnur | 01e16fa | 2008-07-09 23:49:21 -0400 | [diff] [blame] | 1870 | u64 interruptible; |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 1871 | |
Sreenivasa Honnur | 01e16fa | 2008-07-09 23:49:21 -0400 | [diff] [blame] | 1872 | writeq(DISABLE_ALL_INTRS, &bar0->general_int_mask); |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 1873 | if (mask & TX_DMA_INTR) { |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 1874 | gen_int_mask |= TXDMA_INT_M; |
| 1875 | |
| 1876 | do_s2io_write_bits(TXDMA_TDA_INT | TXDMA_PFC_INT | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1877 | TXDMA_PCC_INT | TXDMA_TTI_INT | |
| 1878 | TXDMA_LSO_INT | TXDMA_TPA_INT | |
| 1879 | TXDMA_SM_INT, flag, &bar0->txdma_int_mask); |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 1880 | |
| 1881 | do_s2io_write_bits(PFC_ECC_DB_ERR | PFC_SM_ERR_ALARM | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1882 | PFC_MISC_0_ERR | PFC_MISC_1_ERR | |
| 1883 | PFC_PCIX_ERR | PFC_ECC_SG_ERR, flag, |
| 1884 | &bar0->pfc_err_mask); |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 1885 | |
| 1886 | do_s2io_write_bits(TDA_Fn_ECC_DB_ERR | TDA_SM0_ERR_ALARM | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1887 | TDA_SM1_ERR_ALARM | TDA_Fn_ECC_SG_ERR | |
| 1888 | TDA_PCIX_ERR, flag, &bar0->tda_err_mask); |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 1889 | |
| 1890 | do_s2io_write_bits(PCC_FB_ECC_DB_ERR | PCC_TXB_ECC_DB_ERR | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1891 | PCC_SM_ERR_ALARM | PCC_WR_ERR_ALARM | |
| 1892 | PCC_N_SERR | PCC_6_COF_OV_ERR | |
| 1893 | PCC_7_COF_OV_ERR | PCC_6_LSO_OV_ERR | |
| 1894 | PCC_7_LSO_OV_ERR | PCC_FB_ECC_SG_ERR | |
| 1895 | PCC_TXB_ECC_SG_ERR, |
| 1896 | flag, &bar0->pcc_err_mask); |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 1897 | |
| 1898 | do_s2io_write_bits(TTI_SM_ERR_ALARM | TTI_ECC_SG_ERR | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1899 | TTI_ECC_DB_ERR, flag, &bar0->tti_err_mask); |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 1900 | |
| 1901 | do_s2io_write_bits(LSO6_ABORT | LSO7_ABORT | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1902 | LSO6_SM_ERR_ALARM | LSO7_SM_ERR_ALARM | |
| 1903 | LSO6_SEND_OFLOW | LSO7_SEND_OFLOW, |
| 1904 | flag, &bar0->lso_err_mask); |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 1905 | |
| 1906 | do_s2io_write_bits(TPA_SM_ERR_ALARM | TPA_TX_FRM_DROP, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1907 | flag, &bar0->tpa_err_mask); |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 1908 | |
| 1909 | do_s2io_write_bits(SM_SM_ERR_ALARM, flag, &bar0->sm_err_mask); |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 1910 | } |
| 1911 | |
| 1912 | if (mask & TX_MAC_INTR) { |
| 1913 | gen_int_mask |= TXMAC_INT_M; |
| 1914 | do_s2io_write_bits(MAC_INT_STATUS_TMAC_INT, flag, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1915 | &bar0->mac_int_mask); |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 1916 | do_s2io_write_bits(TMAC_TX_BUF_OVRN | TMAC_TX_SM_ERR | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1917 | TMAC_ECC_SG_ERR | TMAC_ECC_DB_ERR | |
| 1918 | TMAC_DESC_ECC_SG_ERR | TMAC_DESC_ECC_DB_ERR, |
| 1919 | flag, &bar0->mac_tmac_err_mask); |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 1920 | } |
| 1921 | |
| 1922 | if (mask & TX_XGXS_INTR) { |
| 1923 | gen_int_mask |= TXXGXS_INT_M; |
| 1924 | do_s2io_write_bits(XGXS_INT_STATUS_TXGXS, flag, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1925 | &bar0->xgxs_int_mask); |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 1926 | do_s2io_write_bits(TXGXS_ESTORE_UFLOW | TXGXS_TX_SM_ERR | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1927 | TXGXS_ECC_SG_ERR | TXGXS_ECC_DB_ERR, |
| 1928 | flag, &bar0->xgxs_txgxs_err_mask); |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 1929 | } |
| 1930 | |
| 1931 | if (mask & RX_DMA_INTR) { |
| 1932 | gen_int_mask |= RXDMA_INT_M; |
| 1933 | do_s2io_write_bits(RXDMA_INT_RC_INT_M | RXDMA_INT_RPA_INT_M | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1934 | RXDMA_INT_RDA_INT_M | RXDMA_INT_RTI_INT_M, |
| 1935 | flag, &bar0->rxdma_int_mask); |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 1936 | do_s2io_write_bits(RC_PRCn_ECC_DB_ERR | RC_FTC_ECC_DB_ERR | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1937 | RC_PRCn_SM_ERR_ALARM | RC_FTC_SM_ERR_ALARM | |
| 1938 | RC_PRCn_ECC_SG_ERR | RC_FTC_ECC_SG_ERR | |
| 1939 | RC_RDA_FAIL_WR_Rn, flag, &bar0->rc_err_mask); |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 1940 | do_s2io_write_bits(PRC_PCI_AB_RD_Rn | PRC_PCI_AB_WR_Rn | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1941 | PRC_PCI_AB_F_WR_Rn | PRC_PCI_DP_RD_Rn | |
| 1942 | PRC_PCI_DP_WR_Rn | PRC_PCI_DP_F_WR_Rn, flag, |
| 1943 | &bar0->prc_pcix_err_mask); |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 1944 | do_s2io_write_bits(RPA_SM_ERR_ALARM | RPA_CREDIT_ERR | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1945 | RPA_ECC_SG_ERR | RPA_ECC_DB_ERR, flag, |
| 1946 | &bar0->rpa_err_mask); |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 1947 | do_s2io_write_bits(RDA_RXDn_ECC_DB_ERR | RDA_FRM_ECC_DB_N_AERR | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1948 | RDA_SM1_ERR_ALARM | RDA_SM0_ERR_ALARM | |
| 1949 | RDA_RXD_ECC_DB_SERR | RDA_RXDn_ECC_SG_ERR | |
| 1950 | RDA_FRM_ECC_SG_ERR | |
| 1951 | RDA_MISC_ERR|RDA_PCIX_ERR, |
| 1952 | flag, &bar0->rda_err_mask); |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 1953 | do_s2io_write_bits(RTI_SM_ERR_ALARM | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1954 | RTI_ECC_SG_ERR | RTI_ECC_DB_ERR, |
| 1955 | flag, &bar0->rti_err_mask); |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 1956 | } |
| 1957 | |
| 1958 | if (mask & RX_MAC_INTR) { |
| 1959 | gen_int_mask |= RXMAC_INT_M; |
| 1960 | do_s2io_write_bits(MAC_INT_STATUS_RMAC_INT, flag, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1961 | &bar0->mac_int_mask); |
| 1962 | interruptible = (RMAC_RX_BUFF_OVRN | RMAC_RX_SM_ERR | |
| 1963 | RMAC_UNUSED_INT | RMAC_SINGLE_ECC_ERR | |
| 1964 | RMAC_DOUBLE_ECC_ERR); |
Sreenivasa Honnur | 01e16fa | 2008-07-09 23:49:21 -0400 | [diff] [blame] | 1965 | if (s2io_link_fault_indication(nic) == MAC_RMAC_ERR_TIMER) |
| 1966 | interruptible |= RMAC_LINK_STATE_CHANGE_INT; |
| 1967 | do_s2io_write_bits(interruptible, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1968 | flag, &bar0->mac_rmac_err_mask); |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 1969 | } |
| 1970 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1971 | if (mask & RX_XGXS_INTR) { |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 1972 | gen_int_mask |= RXXGXS_INT_M; |
| 1973 | do_s2io_write_bits(XGXS_INT_STATUS_RXGXS, flag, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1974 | &bar0->xgxs_int_mask); |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 1975 | do_s2io_write_bits(RXGXS_ESTORE_OFLOW | RXGXS_RX_SM_ERR, flag, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1976 | &bar0->xgxs_rxgxs_err_mask); |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 1977 | } |
| 1978 | |
| 1979 | if (mask & MC_INTR) { |
| 1980 | gen_int_mask |= MC_INT_M; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1981 | do_s2io_write_bits(MC_INT_MASK_MC_INT, |
| 1982 | flag, &bar0->mc_int_mask); |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 1983 | do_s2io_write_bits(MC_ERR_REG_SM_ERR | MC_ERR_REG_ECC_ALL_SNG | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1984 | MC_ERR_REG_ECC_ALL_DBL | PLL_LOCK_N, flag, |
| 1985 | &bar0->mc_err_mask); |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 1986 | } |
| 1987 | nic->general_int_mask = gen_int_mask; |
| 1988 | |
| 1989 | /* Remove this line when alarm interrupts are enabled */ |
| 1990 | nic->general_int_mask = 0; |
| 1991 | } |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 1992 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1993 | /** |
| 1994 | * en_dis_able_nic_intrs - Enable or Disable the interrupts |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1995 | * @nic: device private variable, |
| 1996 | * @mask: A mask indicating which Intr block must be modified and, |
| 1997 | * @flag: A flag indicating whether to enable or disable the Intrs. |
| 1998 | * Description: This function will either disable or enable the interrupts |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 1999 | * depending on the flag argument. The mask argument can be used to |
| 2000 | * enable/disable any Intr block. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2001 | * Return Value: NONE. |
| 2002 | */ |
| 2003 | |
| 2004 | static void en_dis_able_nic_intrs(struct s2io_nic *nic, u16 mask, int flag) |
| 2005 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2006 | struct XENA_dev_config __iomem *bar0 = nic->bar0; |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 2007 | register u64 temp64 = 0, intr_mask = 0; |
| 2008 | |
| 2009 | intr_mask = nic->general_int_mask; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2010 | |
| 2011 | /* Top level interrupt classification */ |
| 2012 | /* PIC Interrupts */ |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 2013 | if (mask & TX_PIC_INTR) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2014 | /* Enable PIC Intrs in the general intr mask register */ |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 2015 | intr_mask |= TXPIC_INT_M; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2016 | if (flag == ENABLE_INTRS) { |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2017 | /* |
raghavendra.koushik@neterion.com | a371a07 | 2005-08-03 12:38:59 -0700 | [diff] [blame] | 2018 | * If Hercules adapter enable GPIO otherwise |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 2019 | * disable all PCIX, Flash, MDIO, IIC and GPIO |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2020 | * interrupts for now. |
| 2021 | * TODO |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2022 | */ |
raghavendra.koushik@neterion.com | a371a07 | 2005-08-03 12:38:59 -0700 | [diff] [blame] | 2023 | if (s2io_link_fault_indication(nic) == |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2024 | LINK_UP_DOWN_INTERRUPT) { |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 2025 | do_s2io_write_bits(PIC_INT_GPIO, flag, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2026 | &bar0->pic_int_mask); |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 2027 | do_s2io_write_bits(GPIO_INT_MASK_LINK_UP, flag, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2028 | &bar0->gpio_int_mask); |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 2029 | } else |
raghavendra.koushik@neterion.com | a371a07 | 2005-08-03 12:38:59 -0700 | [diff] [blame] | 2030 | writeq(DISABLE_ALL_INTRS, &bar0->pic_int_mask); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2031 | } else if (flag == DISABLE_INTRS) { |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2032 | /* |
| 2033 | * Disable PIC Intrs in the general |
| 2034 | * intr mask register |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2035 | */ |
| 2036 | writeq(DISABLE_ALL_INTRS, &bar0->pic_int_mask); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2037 | } |
| 2038 | } |
| 2039 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2040 | /* Tx traffic interrupts */ |
| 2041 | if (mask & TX_TRAFFIC_INTR) { |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 2042 | intr_mask |= TXTRAFFIC_INT_M; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2043 | if (flag == ENABLE_INTRS) { |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2044 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2045 | * Enable all the Tx side interrupts |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2046 | * writing 0 Enables all 64 TX interrupt levels |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2047 | */ |
| 2048 | writeq(0x0, &bar0->tx_traffic_mask); |
| 2049 | } else if (flag == DISABLE_INTRS) { |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2050 | /* |
| 2051 | * Disable Tx Traffic Intrs in the general intr mask |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2052 | * register. |
| 2053 | */ |
| 2054 | writeq(DISABLE_ALL_INTRS, &bar0->tx_traffic_mask); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2055 | } |
| 2056 | } |
| 2057 | |
| 2058 | /* Rx traffic interrupts */ |
| 2059 | if (mask & RX_TRAFFIC_INTR) { |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 2060 | intr_mask |= RXTRAFFIC_INT_M; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2061 | if (flag == ENABLE_INTRS) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2062 | /* writing 0 Enables all 8 RX interrupt levels */ |
| 2063 | writeq(0x0, &bar0->rx_traffic_mask); |
| 2064 | } else if (flag == DISABLE_INTRS) { |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2065 | /* |
| 2066 | * Disable Rx Traffic Intrs in the general intr mask |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2067 | * register. |
| 2068 | */ |
| 2069 | writeq(DISABLE_ALL_INTRS, &bar0->rx_traffic_mask); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2070 | } |
| 2071 | } |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 2072 | |
| 2073 | temp64 = readq(&bar0->general_int_mask); |
| 2074 | if (flag == ENABLE_INTRS) |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2075 | temp64 &= ~((u64)intr_mask); |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 2076 | else |
| 2077 | temp64 = DISABLE_ALL_INTRS; |
| 2078 | writeq(temp64, &bar0->general_int_mask); |
| 2079 | |
| 2080 | nic->general_int_mask = readq(&bar0->general_int_mask); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2081 | } |
| 2082 | |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 2083 | /** |
| 2084 | * verify_pcc_quiescent- Checks for PCC quiescent state |
| 2085 | * Return: 1 If PCC is quiescence |
| 2086 | * 0 If PCC is not quiescence |
| 2087 | */ |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2088 | static int verify_pcc_quiescent(struct s2io_nic *sp, int flag) |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2089 | { |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 2090 | int ret = 0, herc; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2091 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 2092 | u64 val64 = readq(&bar0->adapter_status); |
Sivakumar Subramani | 8a4bdba | 2007-09-18 18:14:20 -0400 | [diff] [blame] | 2093 | |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 2094 | herc = (sp->device_type == XFRAME_II_DEVICE); |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2095 | |
Tobias Klauser | f957bcf | 2009-06-04 23:07:59 +0000 | [diff] [blame] | 2096 | if (flag == false) { |
Auke Kok | 44c1013 | 2007-06-08 15:46:36 -0700 | [diff] [blame] | 2097 | if ((!herc && (sp->pdev->revision >= 4)) || herc) { |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 2098 | if (!(val64 & ADAPTER_STATUS_RMAC_PCC_IDLE)) |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 2099 | ret = 1; |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 2100 | } else { |
| 2101 | if (!(val64 & ADAPTER_STATUS_RMAC_PCC_FOUR_IDLE)) |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 2102 | ret = 1; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2103 | } |
| 2104 | } else { |
Auke Kok | 44c1013 | 2007-06-08 15:46:36 -0700 | [diff] [blame] | 2105 | if ((!herc && (sp->pdev->revision >= 4)) || herc) { |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 2106 | if (((val64 & ADAPTER_STATUS_RMAC_PCC_IDLE) == |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 2107 | ADAPTER_STATUS_RMAC_PCC_IDLE)) |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 2108 | ret = 1; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 2109 | } else { |
| 2110 | if (((val64 & ADAPTER_STATUS_RMAC_PCC_FOUR_IDLE) == |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 2111 | ADAPTER_STATUS_RMAC_PCC_FOUR_IDLE)) |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 2112 | ret = 1; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2113 | } |
| 2114 | } |
| 2115 | |
| 2116 | return ret; |
| 2117 | } |
| 2118 | /** |
| 2119 | * verify_xena_quiescence - Checks whether the H/W is ready |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2120 | * Description: Returns whether the H/W is ready to go or not. Depending |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2121 | * on whether adapter enable bit was written or not the comparison |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2122 | * differs and the calling function passes the input argument flag to |
| 2123 | * indicate this. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2124 | * Return: 1 If xena is quiescence |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2125 | * 0 If Xena is not quiescence |
| 2126 | */ |
| 2127 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2128 | static int verify_xena_quiescence(struct s2io_nic *sp) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2129 | { |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 2130 | int mode; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2131 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 2132 | u64 val64 = readq(&bar0->adapter_status); |
| 2133 | mode = s2io_verify_pci_mode(sp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2134 | |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 2135 | if (!(val64 & ADAPTER_STATUS_TDMA_READY)) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 2136 | DBG_PRINT(ERR_DBG, "TDMA is not ready!\n"); |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 2137 | return 0; |
| 2138 | } |
| 2139 | if (!(val64 & ADAPTER_STATUS_RDMA_READY)) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 2140 | DBG_PRINT(ERR_DBG, "RDMA is not ready!\n"); |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 2141 | return 0; |
| 2142 | } |
| 2143 | if (!(val64 & ADAPTER_STATUS_PFC_READY)) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 2144 | DBG_PRINT(ERR_DBG, "PFC is not ready!\n"); |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 2145 | return 0; |
| 2146 | } |
| 2147 | if (!(val64 & ADAPTER_STATUS_TMAC_BUF_EMPTY)) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 2148 | DBG_PRINT(ERR_DBG, "TMAC BUF is not empty!\n"); |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 2149 | return 0; |
| 2150 | } |
| 2151 | if (!(val64 & ADAPTER_STATUS_PIC_QUIESCENT)) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 2152 | DBG_PRINT(ERR_DBG, "PIC is not QUIESCENT!\n"); |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 2153 | return 0; |
| 2154 | } |
| 2155 | if (!(val64 & ADAPTER_STATUS_MC_DRAM_READY)) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 2156 | DBG_PRINT(ERR_DBG, "MC_DRAM is not ready!\n"); |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 2157 | return 0; |
| 2158 | } |
| 2159 | if (!(val64 & ADAPTER_STATUS_MC_QUEUES_READY)) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 2160 | DBG_PRINT(ERR_DBG, "MC_QUEUES is not ready!\n"); |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 2161 | return 0; |
| 2162 | } |
| 2163 | if (!(val64 & ADAPTER_STATUS_M_PLL_LOCK)) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 2164 | DBG_PRINT(ERR_DBG, "M_PLL is not locked!\n"); |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 2165 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2166 | } |
| 2167 | |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 2168 | /* |
| 2169 | * In PCI 33 mode, the P_PLL is not used, and therefore, |
| 2170 | * the the P_PLL_LOCK bit in the adapter_status register will |
| 2171 | * not be asserted. |
| 2172 | */ |
| 2173 | if (!(val64 & ADAPTER_STATUS_P_PLL_LOCK) && |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2174 | sp->device_type == XFRAME_II_DEVICE && |
| 2175 | mode != PCI_MODE_PCI_33) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 2176 | DBG_PRINT(ERR_DBG, "P_PLL is not locked!\n"); |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 2177 | return 0; |
| 2178 | } |
| 2179 | if (!((val64 & ADAPTER_STATUS_RC_PRC_QUIESCENT) == |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2180 | ADAPTER_STATUS_RC_PRC_QUIESCENT)) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 2181 | DBG_PRINT(ERR_DBG, "RC_PRC is not QUIESCENT!\n"); |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 2182 | return 0; |
| 2183 | } |
| 2184 | return 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2185 | } |
| 2186 | |
| 2187 | /** |
| 2188 | * fix_mac_address - Fix for Mac addr problem on Alpha platforms |
| 2189 | * @sp: Pointer to device specifc structure |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2190 | * Description : |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2191 | * New procedure to clear mac address reading problems on Alpha platforms |
| 2192 | * |
| 2193 | */ |
| 2194 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2195 | static void fix_mac_address(struct s2io_nic *sp) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2196 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2197 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2198 | int i = 0; |
| 2199 | |
| 2200 | while (fix_mac[i] != END_SIGN) { |
| 2201 | writeq(fix_mac[i++], &bar0->gpio_control); |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2202 | udelay(10); |
David S. Miller | d83d282 | 2011-04-11 16:00:00 -0700 | [diff] [blame] | 2203 | (void) readq(&bar0->gpio_control); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2204 | } |
| 2205 | } |
| 2206 | |
| 2207 | /** |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2208 | * start_nic - Turns the device on |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2209 | * @nic : device private variable. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2210 | * Description: |
| 2211 | * This function actually turns the device on. Before this function is |
| 2212 | * called,all Registers are configured from their reset states |
| 2213 | * and shared memory is allocated but the NIC is still quiescent. On |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2214 | * calling this function, the device interrupts are cleared and the NIC is |
| 2215 | * literally switched on by writing into the adapter control register. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2216 | * Return Value: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2217 | * SUCCESS on success and -1 on failure. |
| 2218 | */ |
| 2219 | |
| 2220 | static int start_nic(struct s2io_nic *nic) |
| 2221 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2222 | struct XENA_dev_config __iomem *bar0 = nic->bar0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2223 | struct net_device *dev = nic->dev; |
| 2224 | register u64 val64 = 0; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2225 | u16 subid, i; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 2226 | struct config_param *config = &nic->config; |
| 2227 | struct mac_info *mac_control = &nic->mac_control; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2228 | |
| 2229 | /* PRC Initialization and configuration */ |
| 2230 | for (i = 0; i < config->rx_ring_num; i++) { |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 2231 | struct ring_info *ring = &mac_control->rings[i]; |
| 2232 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2233 | writeq((u64)ring->rx_blocks[0].block_dma_addr, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2234 | &bar0->prc_rxd0_n[i]); |
| 2235 | |
| 2236 | val64 = readq(&bar0->prc_ctrl_n[i]); |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2237 | if (nic->rxd_mode == RXD_MODE_1) |
| 2238 | val64 |= PRC_CTRL_RC_ENABLED; |
| 2239 | else |
| 2240 | val64 |= PRC_CTRL_RC_ENABLED | PRC_CTRL_RING_MODE_3; |
Ananda Raju | 863c11a | 2006-04-21 19:03:13 -0400 | [diff] [blame] | 2241 | if (nic->device_type == XFRAME_II_DEVICE) |
| 2242 | val64 |= PRC_CTRL_GROUP_READS; |
| 2243 | val64 &= ~PRC_CTRL_RXD_BACKOFF_INTERVAL(0xFFFFFF); |
| 2244 | val64 |= PRC_CTRL_RXD_BACKOFF_INTERVAL(0x1000); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2245 | writeq(val64, &bar0->prc_ctrl_n[i]); |
| 2246 | } |
| 2247 | |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2248 | if (nic->rxd_mode == RXD_MODE_3B) { |
| 2249 | /* Enabling 2 buffer mode by writing into Rx_pa_cfg reg. */ |
| 2250 | val64 = readq(&bar0->rx_pa_cfg); |
| 2251 | val64 |= RX_PA_CFG_IGNORE_L2_ERR; |
| 2252 | writeq(val64, &bar0->rx_pa_cfg); |
| 2253 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2254 | |
Sivakumar Subramani | 926930b | 2007-02-24 01:59:39 -0500 | [diff] [blame] | 2255 | if (vlan_tag_strip == 0) { |
| 2256 | val64 = readq(&bar0->rx_pa_cfg); |
| 2257 | val64 &= ~RX_PA_CFG_STRIP_VLAN_TAG; |
| 2258 | writeq(val64, &bar0->rx_pa_cfg); |
Breno Leitao | cd0fce0 | 2008-09-04 17:52:54 -0300 | [diff] [blame] | 2259 | nic->vlan_strip_flag = 0; |
Sivakumar Subramani | 926930b | 2007-02-24 01:59:39 -0500 | [diff] [blame] | 2260 | } |
| 2261 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2262 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2263 | * Enabling MC-RLDRAM. After enabling the device, we timeout |
| 2264 | * for around 100ms, which is approximately the time required |
| 2265 | * for the device to be ready for operation. |
| 2266 | */ |
| 2267 | val64 = readq(&bar0->mc_rldram_mrs); |
| 2268 | val64 |= MC_RLDRAM_QUEUE_SIZE_ENABLE | MC_RLDRAM_MRS_ENABLE; |
| 2269 | SPECIAL_REG_WRITE(val64, &bar0->mc_rldram_mrs, UF); |
| 2270 | val64 = readq(&bar0->mc_rldram_mrs); |
| 2271 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2272 | msleep(100); /* Delay by around 100 ms. */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2273 | |
| 2274 | /* Enabling ECC Protection. */ |
| 2275 | val64 = readq(&bar0->adapter_control); |
| 2276 | val64 &= ~ADAPTER_ECC_EN; |
| 2277 | writeq(val64, &bar0->adapter_control); |
| 2278 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2279 | /* |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2280 | * Verify if the device is ready to be enabled, if so enable |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2281 | * it. |
| 2282 | */ |
| 2283 | val64 = readq(&bar0->adapter_status); |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 2284 | if (!verify_xena_quiescence(nic)) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 2285 | DBG_PRINT(ERR_DBG, "%s: device is not ready, " |
| 2286 | "Adapter status reads: 0x%llx\n", |
| 2287 | dev->name, (unsigned long long)val64); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2288 | return FAILURE; |
| 2289 | } |
| 2290 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2291 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2292 | * With some switches, link might be already up at this point. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2293 | * Because of this weird behavior, when we enable laser, |
| 2294 | * we may not get link. We need to handle this. We cannot |
| 2295 | * figure out which switch is misbehaving. So we are forced to |
| 2296 | * make a global change. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2297 | */ |
| 2298 | |
| 2299 | /* Enabling Laser. */ |
| 2300 | val64 = readq(&bar0->adapter_control); |
| 2301 | val64 |= ADAPTER_EOI_TX_ON; |
| 2302 | writeq(val64, &bar0->adapter_control); |
| 2303 | |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 2304 | if (s2io_link_fault_indication(nic) == MAC_RMAC_ERR_TIMER) { |
| 2305 | /* |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 2306 | * Dont see link state interrupts initially on some switches, |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 2307 | * so directly scheduling the link state task here. |
| 2308 | */ |
| 2309 | schedule_work(&nic->set_link_task); |
| 2310 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2311 | /* SXE-002: Initialize link and activity LED */ |
| 2312 | subid = nic->pdev->subsystem_device; |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 2313 | if (((subid & 0xFF) >= 0x07) && |
| 2314 | (nic->device_type == XFRAME_I_DEVICE)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2315 | val64 = readq(&bar0->gpio_control); |
| 2316 | val64 |= 0x0000800000000000ULL; |
| 2317 | writeq(val64, &bar0->gpio_control); |
| 2318 | val64 = 0x0411040400000000ULL; |
viro@ftp.linux.org.uk | 509a267 | 2005-09-05 03:25:58 +0100 | [diff] [blame] | 2319 | writeq(val64, (void __iomem *)bar0 + 0x2700); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2320 | } |
| 2321 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2322 | return SUCCESS; |
| 2323 | } |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 2324 | /** |
| 2325 | * s2io_txdl_getskb - Get the skb from txdl, unmap and return skb |
| 2326 | */ |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2327 | static struct sk_buff *s2io_txdl_getskb(struct fifo_info *fifo_data, |
| 2328 | struct TxD *txdlp, int get_off) |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 2329 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2330 | struct s2io_nic *nic = fifo_data->nic; |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 2331 | struct sk_buff *skb; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2332 | struct TxD *txds; |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 2333 | u16 j, frg_cnt; |
| 2334 | |
| 2335 | txds = txdlp; |
Surjit Reang | 2fda096 | 2008-01-24 02:08:59 -0800 | [diff] [blame] | 2336 | if (txds->Host_Control == (u64)(long)fifo_data->ufo_in_band_v) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2337 | pci_unmap_single(nic->pdev, (dma_addr_t)txds->Buffer_Pointer, |
| 2338 | sizeof(u64), PCI_DMA_TODEVICE); |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 2339 | txds++; |
| 2340 | } |
| 2341 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2342 | skb = (struct sk_buff *)((unsigned long)txds->Host_Control); |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 2343 | if (!skb) { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2344 | memset(txdlp, 0, (sizeof(struct TxD) * fifo_data->max_txds)); |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 2345 | return NULL; |
| 2346 | } |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2347 | pci_unmap_single(nic->pdev, (dma_addr_t)txds->Buffer_Pointer, |
Eric Dumazet | e743d31 | 2010-04-14 15:59:40 -0700 | [diff] [blame] | 2348 | skb_headlen(skb), PCI_DMA_TODEVICE); |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 2349 | frg_cnt = skb_shinfo(skb)->nr_frags; |
| 2350 | if (frg_cnt) { |
| 2351 | txds++; |
| 2352 | for (j = 0; j < frg_cnt; j++, txds++) { |
| 2353 | skb_frag_t *frag = &skb_shinfo(skb)->frags[j]; |
| 2354 | if (!txds->Buffer_Pointer) |
| 2355 | break; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2356 | pci_unmap_page(nic->pdev, |
| 2357 | (dma_addr_t)txds->Buffer_Pointer, |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 2358 | frag->size, PCI_DMA_TODEVICE); |
| 2359 | } |
| 2360 | } |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2361 | memset(txdlp, 0, (sizeof(struct TxD) * fifo_data->max_txds)); |
| 2362 | return skb; |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 2363 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2364 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2365 | /** |
| 2366 | * free_tx_buffers - Free all queued Tx buffers |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2367 | * @nic : device private variable. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2368 | * Description: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2369 | * Free all queued Tx buffers. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2370 | * Return Value: void |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2371 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2372 | |
| 2373 | static void free_tx_buffers(struct s2io_nic *nic) |
| 2374 | { |
| 2375 | struct net_device *dev = nic->dev; |
| 2376 | struct sk_buff *skb; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2377 | struct TxD *txdp; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2378 | int i, j; |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 2379 | int cnt = 0; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 2380 | struct config_param *config = &nic->config; |
| 2381 | struct mac_info *mac_control = &nic->mac_control; |
| 2382 | struct stat_block *stats = mac_control->stats_info; |
| 2383 | struct swStat *swstats = &stats->sw_stat; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2384 | |
| 2385 | for (i = 0; i < config->tx_fifo_num; i++) { |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 2386 | struct tx_fifo_config *tx_cfg = &config->tx_cfg[i]; |
| 2387 | struct fifo_info *fifo = &mac_control->fifos[i]; |
Surjit Reang | 2fda096 | 2008-01-24 02:08:59 -0800 | [diff] [blame] | 2388 | unsigned long flags; |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 2389 | |
| 2390 | spin_lock_irqsave(&fifo->tx_lock, flags); |
| 2391 | for (j = 0; j < tx_cfg->fifo_len; j++) { |
Joe Perches | 43d620c | 2011-06-16 19:08:06 +0000 | [diff] [blame] | 2392 | txdp = fifo->list_info[j].list_virt_addr; |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 2393 | skb = s2io_txdl_getskb(&mac_control->fifos[i], txdp, j); |
| 2394 | if (skb) { |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 2395 | swstats->mem_freed += skb->truesize; |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 2396 | dev_kfree_skb(skb); |
| 2397 | cnt++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2398 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2399 | } |
| 2400 | DBG_PRINT(INTR_DBG, |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 2401 | "%s: forcibly freeing %d skbs on FIFO%d\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2402 | dev->name, cnt, i); |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 2403 | fifo->tx_curr_get_info.offset = 0; |
| 2404 | fifo->tx_curr_put_info.offset = 0; |
| 2405 | spin_unlock_irqrestore(&fifo->tx_lock, flags); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2406 | } |
| 2407 | } |
| 2408 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2409 | /** |
| 2410 | * stop_nic - To stop the nic |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2411 | * @nic ; device private variable. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2412 | * Description: |
| 2413 | * This function does exactly the opposite of what the start_nic() |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2414 | * function does. This function is called to stop the device. |
| 2415 | * Return Value: |
| 2416 | * void. |
| 2417 | */ |
| 2418 | |
| 2419 | static void stop_nic(struct s2io_nic *nic) |
| 2420 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2421 | struct XENA_dev_config __iomem *bar0 = nic->bar0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2422 | register u64 val64 = 0; |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 2423 | u16 interruptible; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2424 | |
| 2425 | /* Disable all interrupts */ |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 2426 | en_dis_err_alarms(nic, ENA_ALL_INTRS, DISABLE_INTRS); |
ravinandan.arakali@neterion.com | e960fc5 | 2005-08-12 10:15:59 -0700 | [diff] [blame] | 2427 | interruptible = TX_TRAFFIC_INTR | RX_TRAFFIC_INTR; |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 2428 | interruptible |= TX_PIC_INTR; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2429 | en_dis_able_nic_intrs(nic, interruptible, DISABLE_INTRS); |
| 2430 | |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 2431 | /* Clearing Adapter_En bit of ADAPTER_CONTROL Register */ |
| 2432 | val64 = readq(&bar0->adapter_control); |
| 2433 | val64 &= ~(ADAPTER_CNTL_EN); |
| 2434 | writeq(val64, &bar0->adapter_control); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2435 | } |
| 2436 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2437 | /** |
| 2438 | * fill_rx_buffers - Allocates the Rx side skbs |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 2439 | * @ring_info: per ring structure |
Sreenivasa Honnur | 3f78d88 | 2008-07-09 23:47:46 -0400 | [diff] [blame] | 2440 | * @from_card_up: If this is true, we will map the buffer to get |
| 2441 | * the dma address for buf0 and buf1 to give it to the card. |
| 2442 | * Else we will sync the already mapped buffer to give it to the card. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2443 | * Description: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2444 | * The function allocates Rx side skbs and puts the physical |
| 2445 | * address of these buffers into the RxD buffer pointers, so that the NIC |
| 2446 | * can DMA the received frame into these locations. |
| 2447 | * The NIC supports 3 receive modes, viz |
| 2448 | * 1. single buffer, |
| 2449 | * 2. three buffer and |
| 2450 | * 3. Five buffer modes. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2451 | * Each mode defines how many fragments the received frame will be split |
| 2452 | * up into by the NIC. The frame is split into L3 header, L4 Header, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2453 | * L4 payload in three buffer mode and in 5 buffer mode, L4 payload itself |
| 2454 | * is split into 3 fragments. As of now only single buffer mode is |
| 2455 | * supported. |
| 2456 | * Return Value: |
| 2457 | * SUCCESS on success or an appropriate -ve value on failure. |
| 2458 | */ |
FUJITA Tomonori | 8d8bb39 | 2008-07-25 19:44:49 -0700 | [diff] [blame] | 2459 | static int fill_rx_buffers(struct s2io_nic *nic, struct ring_info *ring, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2460 | int from_card_up) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2461 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2462 | struct sk_buff *skb; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2463 | struct RxD_t *rxdp; |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 2464 | int off, size, block_no, block_no1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2465 | u32 alloc_tab = 0; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2466 | u32 alloc_cnt; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2467 | u64 tmp; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2468 | struct buffAdd *ba; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2469 | struct RxD_t *first_rxdp = NULL; |
Ramkrishna Vepa | 363dc36 | 2007-03-06 17:01:00 -0800 | [diff] [blame] | 2470 | u64 Buffer0_ptr = 0, Buffer1_ptr = 0; |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 2471 | int rxd_index = 0; |
Veena Parat | 6d517a2 | 2007-07-23 02:20:51 -0400 | [diff] [blame] | 2472 | struct RxD1 *rxdp1; |
| 2473 | struct RxD3 *rxdp3; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 2474 | struct swStat *swstats = &ring->nic->mac_control.stats_info->sw_stat; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2475 | |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 2476 | alloc_cnt = ring->pkt_cnt - ring->rx_bufs_left; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2477 | |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 2478 | block_no1 = ring->rx_curr_get_info.block_index; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2479 | while (alloc_tab < alloc_cnt) { |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 2480 | block_no = ring->rx_curr_put_info.block_index; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2481 | |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 2482 | off = ring->rx_curr_put_info.offset; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2483 | |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 2484 | rxdp = ring->rx_blocks[block_no].rxds[off].virt_addr; |
| 2485 | |
| 2486 | rxd_index = off + 1; |
| 2487 | if (block_no) |
| 2488 | rxd_index += (block_no * ring->rxd_count); |
| 2489 | |
Jeff Garzik | 7d2e3cb | 2008-05-13 01:41:58 -0400 | [diff] [blame] | 2490 | if ((block_no == block_no1) && |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2491 | (off == ring->rx_curr_get_info.offset) && |
| 2492 | (rxdp->Host_Control)) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 2493 | DBG_PRINT(INTR_DBG, "%s: Get and Put info equated\n", |
| 2494 | ring->dev->name); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2495 | goto end; |
| 2496 | } |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 2497 | if (off && (off == ring->rxd_count)) { |
| 2498 | ring->rx_curr_put_info.block_index++; |
| 2499 | if (ring->rx_curr_put_info.block_index == |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2500 | ring->block_count) |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 2501 | ring->rx_curr_put_info.block_index = 0; |
| 2502 | block_no = ring->rx_curr_put_info.block_index; |
| 2503 | off = 0; |
| 2504 | ring->rx_curr_put_info.offset = off; |
| 2505 | rxdp = ring->rx_blocks[block_no].block_virt_addr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2506 | DBG_PRINT(INTR_DBG, "%s: Next block at: %p\n", |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 2507 | ring->dev->name, rxdp); |
| 2508 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2509 | } |
Sreenivasa Honnur | c9fcbf4 | 2008-04-23 13:31:33 -0400 | [diff] [blame] | 2510 | |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2511 | if ((rxdp->Control_1 & RXD_OWN_XENA) && |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2512 | ((ring->rxd_mode == RXD_MODE_3B) && |
| 2513 | (rxdp->Control_2 & s2BIT(0)))) { |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 2514 | ring->rx_curr_put_info.offset = off; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2515 | goto end; |
| 2516 | } |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2517 | /* calculate size of skb based on ring mode */ |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2518 | size = ring->mtu + |
| 2519 | HEADER_ETHERNET_II_802_3_SIZE + |
| 2520 | HEADER_802_2_SIZE + HEADER_SNAP_SIZE; |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 2521 | if (ring->rxd_mode == RXD_MODE_1) |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2522 | size += NET_IP_ALIGN; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2523 | else |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 2524 | size = ring->mtu + ALIGN_SIZE + BUF0_LEN + 4; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2525 | |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2526 | /* allocate skb */ |
| 2527 | skb = dev_alloc_skb(size); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2528 | if (!skb) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 2529 | DBG_PRINT(INFO_DBG, "%s: Could not allocate skb\n", |
| 2530 | ring->dev->name); |
raghavendra.koushik@neterion.com | 303bcb4 | 2005-08-03 12:41:38 -0700 | [diff] [blame] | 2531 | if (first_rxdp) { |
| 2532 | wmb(); |
| 2533 | first_rxdp->Control_1 |= RXD_OWN_XENA; |
| 2534 | } |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 2535 | swstats->mem_alloc_fail_cnt++; |
Jeff Garzik | 7d2e3cb | 2008-05-13 01:41:58 -0400 | [diff] [blame] | 2536 | |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2537 | return -ENOMEM ; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2538 | } |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 2539 | swstats->mem_allocated += skb->truesize; |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 2540 | |
| 2541 | if (ring->rxd_mode == RXD_MODE_1) { |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2542 | /* 1 buffer mode - normal operation mode */ |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2543 | rxdp1 = (struct RxD1 *)rxdp; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2544 | memset(rxdp, 0, sizeof(struct RxD1)); |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2545 | skb_reserve(skb, NET_IP_ALIGN); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2546 | rxdp1->Buffer0_ptr = |
| 2547 | pci_map_single(ring->pdev, skb->data, |
| 2548 | size - NET_IP_ALIGN, |
| 2549 | PCI_DMA_FROMDEVICE); |
FUJITA Tomonori | 8d8bb39 | 2008-07-25 19:44:49 -0700 | [diff] [blame] | 2550 | if (pci_dma_mapping_error(nic->pdev, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2551 | rxdp1->Buffer0_ptr)) |
Veena Parat | 491abf2 | 2007-07-23 02:37:14 -0400 | [diff] [blame] | 2552 | goto pci_map_failed; |
| 2553 | |
Sivakumar Subramani | 8a4bdba | 2007-09-18 18:14:20 -0400 | [diff] [blame] | 2554 | rxdp->Control_2 = |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 2555 | SET_BUFFER0_SIZE_1(size - NET_IP_ALIGN); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2556 | rxdp->Host_Control = (unsigned long)skb; |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 2557 | } else if (ring->rxd_mode == RXD_MODE_3B) { |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2558 | /* |
Veena Parat | 6d517a2 | 2007-07-23 02:20:51 -0400 | [diff] [blame] | 2559 | * 2 buffer mode - |
| 2560 | * 2 buffer mode provides 128 |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2561 | * byte aligned receive buffers. |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2562 | */ |
| 2563 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2564 | rxdp3 = (struct RxD3 *)rxdp; |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 2565 | /* save buffer pointers to avoid frequent dma mapping */ |
Veena Parat | 6d517a2 | 2007-07-23 02:20:51 -0400 | [diff] [blame] | 2566 | Buffer0_ptr = rxdp3->Buffer0_ptr; |
| 2567 | Buffer1_ptr = rxdp3->Buffer1_ptr; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2568 | memset(rxdp, 0, sizeof(struct RxD3)); |
Ramkrishna Vepa | 363dc36 | 2007-03-06 17:01:00 -0800 | [diff] [blame] | 2569 | /* restore the buffer pointers for dma sync*/ |
Veena Parat | 6d517a2 | 2007-07-23 02:20:51 -0400 | [diff] [blame] | 2570 | rxdp3->Buffer0_ptr = Buffer0_ptr; |
| 2571 | rxdp3->Buffer1_ptr = Buffer1_ptr; |
Ramkrishna Vepa | 363dc36 | 2007-03-06 17:01:00 -0800 | [diff] [blame] | 2572 | |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 2573 | ba = &ring->ba[block_no][off]; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2574 | skb_reserve(skb, BUF0_LEN); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2575 | tmp = (u64)(unsigned long)skb->data; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2576 | tmp += ALIGN_SIZE; |
| 2577 | tmp &= ~ALIGN_SIZE; |
| 2578 | skb->data = (void *) (unsigned long)tmp; |
Arnaldo Carvalho de Melo | 27a884d | 2007-04-19 20:29:13 -0700 | [diff] [blame] | 2579 | skb_reset_tail_pointer(skb); |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2580 | |
Sreenivasa Honnur | 3f78d88 | 2008-07-09 23:47:46 -0400 | [diff] [blame] | 2581 | if (from_card_up) { |
Veena Parat | 6d517a2 | 2007-07-23 02:20:51 -0400 | [diff] [blame] | 2582 | rxdp3->Buffer0_ptr = |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2583 | pci_map_single(ring->pdev, ba->ba_0, |
| 2584 | BUF0_LEN, |
| 2585 | PCI_DMA_FROMDEVICE); |
| 2586 | if (pci_dma_mapping_error(nic->pdev, |
| 2587 | rxdp3->Buffer0_ptr)) |
Sreenivasa Honnur | 3f78d88 | 2008-07-09 23:47:46 -0400 | [diff] [blame] | 2588 | goto pci_map_failed; |
| 2589 | } else |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 2590 | pci_dma_sync_single_for_device(ring->pdev, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2591 | (dma_addr_t)rxdp3->Buffer0_ptr, |
| 2592 | BUF0_LEN, |
| 2593 | PCI_DMA_FROMDEVICE); |
Veena Parat | 491abf2 | 2007-07-23 02:37:14 -0400 | [diff] [blame] | 2594 | |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2595 | rxdp->Control_2 = SET_BUFFER0_SIZE_3(BUF0_LEN); |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 2596 | if (ring->rxd_mode == RXD_MODE_3B) { |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2597 | /* Two buffer mode */ |
| 2598 | |
| 2599 | /* |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 2600 | * Buffer2 will have L3/L4 header plus |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2601 | * L4 payload |
| 2602 | */ |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2603 | rxdp3->Buffer2_ptr = pci_map_single(ring->pdev, |
| 2604 | skb->data, |
| 2605 | ring->mtu + 4, |
| 2606 | PCI_DMA_FROMDEVICE); |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2607 | |
FUJITA Tomonori | 8d8bb39 | 2008-07-25 19:44:49 -0700 | [diff] [blame] | 2608 | if (pci_dma_mapping_error(nic->pdev, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2609 | rxdp3->Buffer2_ptr)) |
Veena Parat | 491abf2 | 2007-07-23 02:37:14 -0400 | [diff] [blame] | 2610 | goto pci_map_failed; |
| 2611 | |
Sreenivasa Honnur | 3f78d88 | 2008-07-09 23:47:46 -0400 | [diff] [blame] | 2612 | if (from_card_up) { |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 2613 | rxdp3->Buffer1_ptr = |
| 2614 | pci_map_single(ring->pdev, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2615 | ba->ba_1, |
| 2616 | BUF1_LEN, |
| 2617 | PCI_DMA_FROMDEVICE); |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 2618 | |
FUJITA Tomonori | 8d8bb39 | 2008-07-25 19:44:49 -0700 | [diff] [blame] | 2619 | if (pci_dma_mapping_error(nic->pdev, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2620 | rxdp3->Buffer1_ptr)) { |
| 2621 | pci_unmap_single(ring->pdev, |
| 2622 | (dma_addr_t)(unsigned long) |
| 2623 | skb->data, |
| 2624 | ring->mtu + 4, |
| 2625 | PCI_DMA_FROMDEVICE); |
Sreenivasa Honnur | 3f78d88 | 2008-07-09 23:47:46 -0400 | [diff] [blame] | 2626 | goto pci_map_failed; |
| 2627 | } |
Ananda Raju | 75c30b1 | 2006-07-24 19:55:09 -0400 | [diff] [blame] | 2628 | } |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2629 | rxdp->Control_2 |= SET_BUFFER1_SIZE_3(1); |
| 2630 | rxdp->Control_2 |= SET_BUFFER2_SIZE_3 |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2631 | (ring->mtu + 4); |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2632 | } |
Jiri Slaby | b7b5a12 | 2007-10-18 23:40:29 -0700 | [diff] [blame] | 2633 | rxdp->Control_2 |= s2BIT(0); |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 2634 | rxdp->Host_Control = (unsigned long) (skb); |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2635 | } |
raghavendra.koushik@neterion.com | 303bcb4 | 2005-08-03 12:41:38 -0700 | [diff] [blame] | 2636 | if (alloc_tab & ((1 << rxsync_frequency) - 1)) |
| 2637 | rxdp->Control_1 |= RXD_OWN_XENA; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2638 | off++; |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 2639 | if (off == (ring->rxd_count + 1)) |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2640 | off = 0; |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 2641 | ring->rx_curr_put_info.offset = off; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2642 | |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 2643 | rxdp->Control_2 |= SET_RXD_MARKER; |
raghavendra.koushik@neterion.com | 303bcb4 | 2005-08-03 12:41:38 -0700 | [diff] [blame] | 2644 | if (!(alloc_tab & ((1 << rxsync_frequency) - 1))) { |
| 2645 | if (first_rxdp) { |
| 2646 | wmb(); |
| 2647 | first_rxdp->Control_1 |= RXD_OWN_XENA; |
| 2648 | } |
| 2649 | first_rxdp = rxdp; |
| 2650 | } |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 2651 | ring->rx_bufs_left += 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2652 | alloc_tab++; |
| 2653 | } |
| 2654 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2655 | end: |
raghavendra.koushik@neterion.com | 303bcb4 | 2005-08-03 12:41:38 -0700 | [diff] [blame] | 2656 | /* Transfer ownership of first descriptor to adapter just before |
| 2657 | * exiting. Before that, use memory barrier so that ownership |
| 2658 | * and other fields are seen by adapter correctly. |
| 2659 | */ |
| 2660 | if (first_rxdp) { |
| 2661 | wmb(); |
| 2662 | first_rxdp->Control_1 |= RXD_OWN_XENA; |
| 2663 | } |
| 2664 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2665 | return SUCCESS; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2666 | |
Veena Parat | 491abf2 | 2007-07-23 02:37:14 -0400 | [diff] [blame] | 2667 | pci_map_failed: |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 2668 | swstats->pci_map_fail_cnt++; |
| 2669 | swstats->mem_freed += skb->truesize; |
Veena Parat | 491abf2 | 2007-07-23 02:37:14 -0400 | [diff] [blame] | 2670 | dev_kfree_skb_irq(skb); |
| 2671 | return -ENOMEM; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2672 | } |
| 2673 | |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2674 | static void free_rxd_blk(struct s2io_nic *sp, int ring_no, int blk) |
| 2675 | { |
| 2676 | struct net_device *dev = sp->dev; |
| 2677 | int j; |
| 2678 | struct sk_buff *skb; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2679 | struct RxD_t *rxdp; |
Veena Parat | 6d517a2 | 2007-07-23 02:20:51 -0400 | [diff] [blame] | 2680 | struct RxD1 *rxdp1; |
| 2681 | struct RxD3 *rxdp3; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 2682 | struct mac_info *mac_control = &sp->mac_control; |
| 2683 | struct stat_block *stats = mac_control->stats_info; |
| 2684 | struct swStat *swstats = &stats->sw_stat; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2685 | |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2686 | for (j = 0 ; j < rxd_count[sp->rxd_mode]; j++) { |
| 2687 | rxdp = mac_control->rings[ring_no]. |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2688 | rx_blocks[blk].rxds[j].virt_addr; |
| 2689 | skb = (struct sk_buff *)((unsigned long)rxdp->Host_Control); |
| 2690 | if (!skb) |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2691 | continue; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2692 | if (sp->rxd_mode == RXD_MODE_1) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2693 | rxdp1 = (struct RxD1 *)rxdp; |
| 2694 | pci_unmap_single(sp->pdev, |
| 2695 | (dma_addr_t)rxdp1->Buffer0_ptr, |
| 2696 | dev->mtu + |
| 2697 | HEADER_ETHERNET_II_802_3_SIZE + |
| 2698 | HEADER_802_2_SIZE + HEADER_SNAP_SIZE, |
| 2699 | PCI_DMA_FROMDEVICE); |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2700 | memset(rxdp, 0, sizeof(struct RxD1)); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2701 | } else if (sp->rxd_mode == RXD_MODE_3B) { |
| 2702 | rxdp3 = (struct RxD3 *)rxdp; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2703 | pci_unmap_single(sp->pdev, |
| 2704 | (dma_addr_t)rxdp3->Buffer0_ptr, |
| 2705 | BUF0_LEN, |
| 2706 | PCI_DMA_FROMDEVICE); |
| 2707 | pci_unmap_single(sp->pdev, |
| 2708 | (dma_addr_t)rxdp3->Buffer1_ptr, |
| 2709 | BUF1_LEN, |
| 2710 | PCI_DMA_FROMDEVICE); |
| 2711 | pci_unmap_single(sp->pdev, |
| 2712 | (dma_addr_t)rxdp3->Buffer2_ptr, |
| 2713 | dev->mtu + 4, |
| 2714 | PCI_DMA_FROMDEVICE); |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2715 | memset(rxdp, 0, sizeof(struct RxD3)); |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2716 | } |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 2717 | swstats->mem_freed += skb->truesize; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2718 | dev_kfree_skb(skb); |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 2719 | mac_control->rings[ring_no].rx_bufs_left -= 1; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2720 | } |
| 2721 | } |
| 2722 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2723 | /** |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2724 | * free_rx_buffers - Frees all Rx buffers |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2725 | * @sp: device private variable. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2726 | * Description: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2727 | * This function will free all Rx buffers allocated by host. |
| 2728 | * Return Value: |
| 2729 | * NONE. |
| 2730 | */ |
| 2731 | |
| 2732 | static void free_rx_buffers(struct s2io_nic *sp) |
| 2733 | { |
| 2734 | struct net_device *dev = sp->dev; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2735 | int i, blk = 0, buf_cnt = 0; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 2736 | struct config_param *config = &sp->config; |
| 2737 | struct mac_info *mac_control = &sp->mac_control; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2738 | |
| 2739 | for (i = 0; i < config->rx_ring_num; i++) { |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 2740 | struct ring_info *ring = &mac_control->rings[i]; |
| 2741 | |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2742 | for (blk = 0; blk < rx_ring_sz[i]; blk++) |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2743 | free_rxd_blk(sp, i, blk); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2744 | |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 2745 | ring->rx_curr_put_info.block_index = 0; |
| 2746 | ring->rx_curr_get_info.block_index = 0; |
| 2747 | ring->rx_curr_put_info.offset = 0; |
| 2748 | ring->rx_curr_get_info.offset = 0; |
| 2749 | ring->rx_bufs_left = 0; |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 2750 | DBG_PRINT(INIT_DBG, "%s: Freed 0x%x Rx Buffers on ring%d\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2751 | dev->name, buf_cnt, i); |
| 2752 | } |
| 2753 | } |
| 2754 | |
FUJITA Tomonori | 8d8bb39 | 2008-07-25 19:44:49 -0700 | [diff] [blame] | 2755 | static int s2io_chk_rx_buffers(struct s2io_nic *nic, struct ring_info *ring) |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 2756 | { |
FUJITA Tomonori | 8d8bb39 | 2008-07-25 19:44:49 -0700 | [diff] [blame] | 2757 | if (fill_rx_buffers(nic, ring, 0) == -ENOMEM) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 2758 | DBG_PRINT(INFO_DBG, "%s: Out of memory in Rx Intr!!\n", |
| 2759 | ring->dev->name); |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 2760 | } |
| 2761 | return 0; |
| 2762 | } |
| 2763 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2764 | /** |
| 2765 | * s2io_poll - Rx interrupt handler for NAPI support |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 2766 | * @napi : pointer to the napi structure. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2767 | * @budget : The number of packets that were budgeted to be processed |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2768 | * during one pass through the 'Poll" function. |
| 2769 | * Description: |
| 2770 | * Comes into picture only if NAPI support has been incorporated. It does |
| 2771 | * the same thing that rx_intr_handler does, but not in a interrupt context |
| 2772 | * also It will process only a given number of packets. |
| 2773 | * Return value: |
| 2774 | * 0 on success and 1 if there are No Rx packets to be processed. |
| 2775 | */ |
| 2776 | |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 2777 | static int s2io_poll_msix(struct napi_struct *napi, int budget) |
| 2778 | { |
| 2779 | struct ring_info *ring = container_of(napi, struct ring_info, napi); |
| 2780 | struct net_device *dev = ring->dev; |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 2781 | int pkts_processed = 0; |
Al Viro | 1a79d1c | 2008-06-02 10:59:02 +0100 | [diff] [blame] | 2782 | u8 __iomem *addr = NULL; |
| 2783 | u8 val8 = 0; |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 2784 | struct s2io_nic *nic = netdev_priv(dev); |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 2785 | struct XENA_dev_config __iomem *bar0 = nic->bar0; |
| 2786 | int budget_org = budget; |
| 2787 | |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 2788 | if (unlikely(!is_s2io_card_up(nic))) |
| 2789 | return 0; |
| 2790 | |
| 2791 | pkts_processed = rx_intr_handler(ring, budget); |
FUJITA Tomonori | 8d8bb39 | 2008-07-25 19:44:49 -0700 | [diff] [blame] | 2792 | s2io_chk_rx_buffers(nic, ring); |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 2793 | |
| 2794 | if (pkts_processed < budget_org) { |
Ben Hutchings | 288379f | 2009-01-19 16:43:59 -0800 | [diff] [blame] | 2795 | napi_complete(napi); |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 2796 | /*Re Enable MSI-Rx Vector*/ |
Al Viro | 1a79d1c | 2008-06-02 10:59:02 +0100 | [diff] [blame] | 2797 | addr = (u8 __iomem *)&bar0->xmsi_mask_reg; |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 2798 | addr += 7 - ring->ring_no; |
| 2799 | val8 = (ring->ring_no == 0) ? 0x3f : 0xbf; |
| 2800 | writeb(val8, addr); |
| 2801 | val8 = readb(addr); |
| 2802 | } |
| 2803 | return pkts_processed; |
| 2804 | } |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2805 | |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 2806 | static int s2io_poll_inta(struct napi_struct *napi, int budget) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2807 | { |
Stephen Hemminger | bea3348 | 2007-10-03 16:41:36 -0700 | [diff] [blame] | 2808 | struct s2io_nic *nic = container_of(napi, struct s2io_nic, napi); |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 2809 | int pkts_processed = 0; |
| 2810 | int ring_pkts_processed, i; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2811 | struct XENA_dev_config __iomem *bar0 = nic->bar0; |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 2812 | int budget_org = budget; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 2813 | struct config_param *config = &nic->config; |
| 2814 | struct mac_info *mac_control = &nic->mac_control; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2815 | |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 2816 | if (unlikely(!is_s2io_card_up(nic))) |
| 2817 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2818 | |
| 2819 | for (i = 0; i < config->rx_ring_num; i++) { |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 2820 | struct ring_info *ring = &mac_control->rings[i]; |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 2821 | ring_pkts_processed = rx_intr_handler(ring, budget); |
FUJITA Tomonori | 8d8bb39 | 2008-07-25 19:44:49 -0700 | [diff] [blame] | 2822 | s2io_chk_rx_buffers(nic, ring); |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 2823 | pkts_processed += ring_pkts_processed; |
| 2824 | budget -= ring_pkts_processed; |
| 2825 | if (budget <= 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2826 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2827 | } |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 2828 | if (pkts_processed < budget_org) { |
Ben Hutchings | 288379f | 2009-01-19 16:43:59 -0800 | [diff] [blame] | 2829 | napi_complete(napi); |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 2830 | /* Re enable the Rx interrupts for the ring */ |
| 2831 | writeq(0, &bar0->rx_traffic_mask); |
| 2832 | readl(&bar0->rx_traffic_mask); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2833 | } |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 2834 | return pkts_processed; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2835 | } |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2836 | |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 2837 | #ifdef CONFIG_NET_POLL_CONTROLLER |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2838 | /** |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 2839 | * s2io_netpoll - netpoll event handler entry point |
Brian Haley | 612eff0 | 2006-06-15 14:36:36 -0400 | [diff] [blame] | 2840 | * @dev : pointer to the device structure. |
| 2841 | * Description: |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 2842 | * This function will be called by upper layer to check for events on the |
| 2843 | * interface in situations where interrupts are disabled. It is used for |
| 2844 | * specific in-kernel networking tasks, such as remote consoles and kernel |
| 2845 | * debugging over the network (example netdump in RedHat). |
Brian Haley | 612eff0 | 2006-06-15 14:36:36 -0400 | [diff] [blame] | 2846 | */ |
Brian Haley | 612eff0 | 2006-06-15 14:36:36 -0400 | [diff] [blame] | 2847 | static void s2io_netpoll(struct net_device *dev) |
| 2848 | { |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 2849 | struct s2io_nic *nic = netdev_priv(dev); |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2850 | struct XENA_dev_config __iomem *bar0 = nic->bar0; |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 2851 | u64 val64 = 0xFFFFFFFFFFFFFFFFULL; |
Brian Haley | 612eff0 | 2006-06-15 14:36:36 -0400 | [diff] [blame] | 2852 | int i; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 2853 | struct config_param *config = &nic->config; |
| 2854 | struct mac_info *mac_control = &nic->mac_control; |
Brian Haley | 612eff0 | 2006-06-15 14:36:36 -0400 | [diff] [blame] | 2855 | |
Linas Vepstas | d796fdb | 2007-05-14 18:37:30 -0500 | [diff] [blame] | 2856 | if (pci_channel_offline(nic->pdev)) |
| 2857 | return; |
| 2858 | |
Brian Haley | 612eff0 | 2006-06-15 14:36:36 -0400 | [diff] [blame] | 2859 | disable_irq(dev->irq); |
| 2860 | |
Brian Haley | 612eff0 | 2006-06-15 14:36:36 -0400 | [diff] [blame] | 2861 | writeq(val64, &bar0->rx_traffic_int); |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 2862 | writeq(val64, &bar0->tx_traffic_int); |
Brian Haley | 612eff0 | 2006-06-15 14:36:36 -0400 | [diff] [blame] | 2863 | |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 2864 | /* we need to free up the transmitted skbufs or else netpoll will |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 2865 | * run out of skbs and will fail and eventually netpoll application such |
| 2866 | * as netdump will fail. |
| 2867 | */ |
| 2868 | for (i = 0; i < config->tx_fifo_num; i++) |
| 2869 | tx_intr_handler(&mac_control->fifos[i]); |
| 2870 | |
| 2871 | /* check for received packet and indicate up to network */ |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 2872 | for (i = 0; i < config->rx_ring_num; i++) { |
| 2873 | struct ring_info *ring = &mac_control->rings[i]; |
| 2874 | |
| 2875 | rx_intr_handler(ring, 0); |
| 2876 | } |
Brian Haley | 612eff0 | 2006-06-15 14:36:36 -0400 | [diff] [blame] | 2877 | |
| 2878 | for (i = 0; i < config->rx_ring_num; i++) { |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 2879 | struct ring_info *ring = &mac_control->rings[i]; |
| 2880 | |
| 2881 | if (fill_rx_buffers(nic, ring, 0) == -ENOMEM) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 2882 | DBG_PRINT(INFO_DBG, |
| 2883 | "%s: Out of memory in Rx Netpoll!!\n", |
| 2884 | dev->name); |
Brian Haley | 612eff0 | 2006-06-15 14:36:36 -0400 | [diff] [blame] | 2885 | break; |
| 2886 | } |
| 2887 | } |
Brian Haley | 612eff0 | 2006-06-15 14:36:36 -0400 | [diff] [blame] | 2888 | enable_irq(dev->irq); |
Brian Haley | 612eff0 | 2006-06-15 14:36:36 -0400 | [diff] [blame] | 2889 | } |
| 2890 | #endif |
| 2891 | |
| 2892 | /** |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2893 | * rx_intr_handler - Rx interrupt handler |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 2894 | * @ring_info: per ring structure. |
| 2895 | * @budget: budget for napi processing. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2896 | * Description: |
| 2897 | * If the interrupt is because of a received frame or if the |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2898 | * receive ring contains fresh as yet un-processed frames,this function is |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2899 | * called. It picks out the RxD at which place the last Rx processing had |
| 2900 | * stopped and sends the skb to the OSM's Rx handler and then increments |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2901 | * the offset. |
| 2902 | * Return Value: |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 2903 | * No. of napi packets processed. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2904 | */ |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 2905 | static int rx_intr_handler(struct ring_info *ring_data, int budget) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2906 | { |
Sreenivasa Honnur | c9fcbf4 | 2008-04-23 13:31:33 -0400 | [diff] [blame] | 2907 | int get_block, put_block; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2908 | struct rx_curr_get_info get_info, put_info; |
| 2909 | struct RxD_t *rxdp; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2910 | struct sk_buff *skb; |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 2911 | int pkt_cnt = 0, napi_pkts = 0; |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 2912 | int i; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2913 | struct RxD1 *rxdp1; |
| 2914 | struct RxD3 *rxdp3; |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 2915 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2916 | get_info = ring_data->rx_curr_get_info; |
| 2917 | get_block = get_info.block_index; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 2918 | memcpy(&put_info, &ring_data->rx_curr_put_info, sizeof(put_info)); |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2919 | put_block = put_info.block_index; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2920 | rxdp = ring_data->rx_blocks[get_block].rxds[get_info.offset].virt_addr; |
Sivakumar Subramani | db874e6 | 2007-01-31 13:28:08 -0500 | [diff] [blame] | 2921 | |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2922 | while (RXD_IS_UP2DT(rxdp)) { |
Sivakumar Subramani | db874e6 | 2007-01-31 13:28:08 -0500 | [diff] [blame] | 2923 | /* |
| 2924 | * If your are next to put index then it's |
| 2925 | * FIFO full condition |
| 2926 | */ |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2927 | if ((get_block == put_block) && |
| 2928 | (get_info.offset + 1) == put_info.offset) { |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 2929 | DBG_PRINT(INTR_DBG, "%s: Ring Full\n", |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2930 | ring_data->dev->name); |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2931 | break; |
| 2932 | } |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2933 | skb = (struct sk_buff *)((unsigned long)rxdp->Host_Control); |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2934 | if (skb == NULL) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 2935 | DBG_PRINT(ERR_DBG, "%s: NULL skb in Rx Intr\n", |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 2936 | ring_data->dev->name); |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 2937 | return 0; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2938 | } |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 2939 | if (ring_data->rxd_mode == RXD_MODE_1) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2940 | rxdp1 = (struct RxD1 *)rxdp; |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 2941 | pci_unmap_single(ring_data->pdev, (dma_addr_t) |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2942 | rxdp1->Buffer0_ptr, |
| 2943 | ring_data->mtu + |
| 2944 | HEADER_ETHERNET_II_802_3_SIZE + |
| 2945 | HEADER_802_2_SIZE + |
| 2946 | HEADER_SNAP_SIZE, |
| 2947 | PCI_DMA_FROMDEVICE); |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 2948 | } else if (ring_data->rxd_mode == RXD_MODE_3B) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2949 | rxdp3 = (struct RxD3 *)rxdp; |
| 2950 | pci_dma_sync_single_for_cpu(ring_data->pdev, |
| 2951 | (dma_addr_t)rxdp3->Buffer0_ptr, |
| 2952 | BUF0_LEN, |
| 2953 | PCI_DMA_FROMDEVICE); |
| 2954 | pci_unmap_single(ring_data->pdev, |
| 2955 | (dma_addr_t)rxdp3->Buffer2_ptr, |
| 2956 | ring_data->mtu + 4, |
| 2957 | PCI_DMA_FROMDEVICE); |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2958 | } |
Ananda Raju | 863c11a | 2006-04-21 19:03:13 -0400 | [diff] [blame] | 2959 | prefetch(skb->data); |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2960 | rx_osm_handler(ring_data, rxdp); |
| 2961 | get_info.offset++; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2962 | ring_data->rx_curr_get_info.offset = get_info.offset; |
| 2963 | rxdp = ring_data->rx_blocks[get_block]. |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2964 | rxds[get_info.offset].virt_addr; |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 2965 | if (get_info.offset == rxd_count[ring_data->rxd_mode]) { |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2966 | get_info.offset = 0; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2967 | ring_data->rx_curr_get_info.offset = get_info.offset; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2968 | get_block++; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 2969 | if (get_block == ring_data->block_count) |
| 2970 | get_block = 0; |
| 2971 | ring_data->rx_curr_get_info.block_index = get_block; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2972 | rxdp = ring_data->rx_blocks[get_block].block_virt_addr; |
| 2973 | } |
| 2974 | |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 2975 | if (ring_data->nic->config.napi) { |
| 2976 | budget--; |
| 2977 | napi_pkts++; |
| 2978 | if (!budget) |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 2979 | break; |
| 2980 | } |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2981 | pkt_cnt++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2982 | if ((indicate_max_pkts) && (pkt_cnt > indicate_max_pkts)) |
| 2983 | break; |
| 2984 | } |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 2985 | if (ring_data->lro) { |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 2986 | /* Clear all LRO sessions before exiting */ |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2987 | for (i = 0; i < MAX_LRO_SESSIONS; i++) { |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 2988 | struct lro *lro = &ring_data->lro0_n[i]; |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 2989 | if (lro->in_use) { |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 2990 | update_L3L4_header(ring_data->nic, lro); |
Sreenivasa Honnur | cdb5bf0 | 2008-02-20 17:09:15 -0500 | [diff] [blame] | 2991 | queue_rx_frame(lro->parent, lro->vlan_tag); |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 2992 | clear_lro_session(lro); |
| 2993 | } |
| 2994 | } |
| 2995 | } |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 2996 | return napi_pkts; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2997 | } |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 2998 | |
| 2999 | /** |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3000 | * tx_intr_handler - Transmit interrupt handler |
| 3001 | * @nic : device private variable |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3002 | * Description: |
| 3003 | * If an interrupt was raised to indicate DMA complete of the |
| 3004 | * Tx packet, this function is called. It identifies the last TxD |
| 3005 | * whose buffer was freed and frees all skbs whose data have already |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3006 | * DMA'ed into the NICs internal memory. |
| 3007 | * Return Value: |
| 3008 | * NONE |
| 3009 | */ |
| 3010 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 3011 | static void tx_intr_handler(struct fifo_info *fifo_data) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3012 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 3013 | struct s2io_nic *nic = fifo_data->nic; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 3014 | struct tx_curr_get_info get_info, put_info; |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 3015 | struct sk_buff *skb = NULL; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 3016 | struct TxD *txdlp; |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 3017 | int pkt_cnt = 0; |
Surjit Reang | 2fda096 | 2008-01-24 02:08:59 -0800 | [diff] [blame] | 3018 | unsigned long flags = 0; |
Olaf Hering | f9046eb | 2007-06-19 22:41:10 +0200 | [diff] [blame] | 3019 | u8 err_mask; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3020 | struct stat_block *stats = nic->mac_control.stats_info; |
| 3021 | struct swStat *swstats = &stats->sw_stat; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3022 | |
Surjit Reang | 2fda096 | 2008-01-24 02:08:59 -0800 | [diff] [blame] | 3023 | if (!spin_trylock_irqsave(&fifo_data->tx_lock, flags)) |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3024 | return; |
Surjit Reang | 2fda096 | 2008-01-24 02:08:59 -0800 | [diff] [blame] | 3025 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3026 | get_info = fifo_data->tx_curr_get_info; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 3027 | memcpy(&put_info, &fifo_data->tx_curr_put_info, sizeof(put_info)); |
Joe Perches | 43d620c | 2011-06-16 19:08:06 +0000 | [diff] [blame] | 3028 | txdlp = fifo_data->list_info[get_info.offset].list_virt_addr; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3029 | while ((!(txdlp->Control_1 & TXD_LIST_OWN_XENA)) && |
| 3030 | (get_info.offset != put_info.offset) && |
| 3031 | (txdlp->Host_Control)) { |
| 3032 | /* Check for TxD errors */ |
| 3033 | if (txdlp->Control_1 & TXD_T_CODE) { |
| 3034 | unsigned long long err; |
| 3035 | err = txdlp->Control_1 & TXD_T_CODE; |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3036 | if (err & 0x1) { |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3037 | swstats->parity_err_cnt++; |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3038 | } |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 3039 | |
| 3040 | /* update t_code statistics */ |
Olaf Hering | f9046eb | 2007-06-19 22:41:10 +0200 | [diff] [blame] | 3041 | err_mask = err >> 48; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3042 | switch (err_mask) { |
| 3043 | case 2: |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3044 | swstats->tx_buf_abort_cnt++; |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 3045 | break; |
| 3046 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3047 | case 3: |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3048 | swstats->tx_desc_abort_cnt++; |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 3049 | break; |
| 3050 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3051 | case 7: |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3052 | swstats->tx_parity_err_cnt++; |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 3053 | break; |
| 3054 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3055 | case 10: |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3056 | swstats->tx_link_loss_cnt++; |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 3057 | break; |
| 3058 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3059 | case 15: |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3060 | swstats->tx_list_proc_err_cnt++; |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 3061 | break; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3062 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3063 | } |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3064 | |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 3065 | skb = s2io_txdl_getskb(fifo_data, txdlp, get_info.offset); |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3066 | if (skb == NULL) { |
Surjit Reang | 2fda096 | 2008-01-24 02:08:59 -0800 | [diff] [blame] | 3067 | spin_unlock_irqrestore(&fifo_data->tx_lock, flags); |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 3068 | DBG_PRINT(ERR_DBG, "%s: NULL skb in Tx Free Intr\n", |
| 3069 | __func__); |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3070 | return; |
| 3071 | } |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 3072 | pkt_cnt++; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3073 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3074 | /* Updating the statistics block */ |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3075 | swstats->mem_freed += skb->truesize; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3076 | dev_kfree_skb_irq(skb); |
| 3077 | |
| 3078 | get_info.offset++; |
Ananda Raju | 863c11a | 2006-04-21 19:03:13 -0400 | [diff] [blame] | 3079 | if (get_info.offset == get_info.fifo_len + 1) |
| 3080 | get_info.offset = 0; |
Joe Perches | 43d620c | 2011-06-16 19:08:06 +0000 | [diff] [blame] | 3081 | txdlp = fifo_data->list_info[get_info.offset].list_virt_addr; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3082 | fifo_data->tx_curr_get_info.offset = get_info.offset; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3083 | } |
| 3084 | |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 3085 | s2io_wake_tx_queue(fifo_data, pkt_cnt, nic->config.multiq); |
Surjit Reang | 2fda096 | 2008-01-24 02:08:59 -0800 | [diff] [blame] | 3086 | |
| 3087 | spin_unlock_irqrestore(&fifo_data->tx_lock, flags); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3088 | } |
| 3089 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3090 | /** |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3091 | * s2io_mdio_write - Function to write in to MDIO registers |
| 3092 | * @mmd_type : MMD type value (PMA/PMD/WIS/PCS/PHYXS) |
| 3093 | * @addr : address value |
| 3094 | * @value : data value |
| 3095 | * @dev : pointer to net_device structure |
| 3096 | * Description: |
| 3097 | * This function is used to write values to the MDIO registers |
| 3098 | * NONE |
| 3099 | */ |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3100 | static void s2io_mdio_write(u32 mmd_type, u64 addr, u16 value, |
| 3101 | struct net_device *dev) |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3102 | { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3103 | u64 val64; |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 3104 | struct s2io_nic *sp = netdev_priv(dev); |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 3105 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3106 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3107 | /* address transaction */ |
| 3108 | val64 = MDIO_MMD_INDX_ADDR(addr) | |
| 3109 | MDIO_MMD_DEV_ADDR(mmd_type) | |
| 3110 | MDIO_MMS_PRT_ADDR(0x0); |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3111 | writeq(val64, &bar0->mdio_control); |
| 3112 | val64 = val64 | MDIO_CTRL_START_TRANS(0xE); |
| 3113 | writeq(val64, &bar0->mdio_control); |
| 3114 | udelay(100); |
| 3115 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3116 | /* Data transaction */ |
| 3117 | val64 = MDIO_MMD_INDX_ADDR(addr) | |
| 3118 | MDIO_MMD_DEV_ADDR(mmd_type) | |
| 3119 | MDIO_MMS_PRT_ADDR(0x0) | |
| 3120 | MDIO_MDIO_DATA(value) | |
| 3121 | MDIO_OP(MDIO_OP_WRITE_TRANS); |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3122 | writeq(val64, &bar0->mdio_control); |
| 3123 | val64 = val64 | MDIO_CTRL_START_TRANS(0xE); |
| 3124 | writeq(val64, &bar0->mdio_control); |
| 3125 | udelay(100); |
| 3126 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3127 | val64 = MDIO_MMD_INDX_ADDR(addr) | |
| 3128 | MDIO_MMD_DEV_ADDR(mmd_type) | |
| 3129 | MDIO_MMS_PRT_ADDR(0x0) | |
| 3130 | MDIO_OP(MDIO_OP_READ_TRANS); |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3131 | writeq(val64, &bar0->mdio_control); |
| 3132 | val64 = val64 | MDIO_CTRL_START_TRANS(0xE); |
| 3133 | writeq(val64, &bar0->mdio_control); |
| 3134 | udelay(100); |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3135 | } |
| 3136 | |
| 3137 | /** |
| 3138 | * s2io_mdio_read - Function to write in to MDIO registers |
| 3139 | * @mmd_type : MMD type value (PMA/PMD/WIS/PCS/PHYXS) |
| 3140 | * @addr : address value |
| 3141 | * @dev : pointer to net_device structure |
| 3142 | * Description: |
| 3143 | * This function is used to read values to the MDIO registers |
| 3144 | * NONE |
| 3145 | */ |
| 3146 | static u64 s2io_mdio_read(u32 mmd_type, u64 addr, struct net_device *dev) |
| 3147 | { |
| 3148 | u64 val64 = 0x0; |
| 3149 | u64 rval64 = 0x0; |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 3150 | struct s2io_nic *sp = netdev_priv(dev); |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 3151 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3152 | |
| 3153 | /* address transaction */ |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3154 | val64 = val64 | (MDIO_MMD_INDX_ADDR(addr) |
| 3155 | | MDIO_MMD_DEV_ADDR(mmd_type) |
| 3156 | | MDIO_MMS_PRT_ADDR(0x0)); |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3157 | writeq(val64, &bar0->mdio_control); |
| 3158 | val64 = val64 | MDIO_CTRL_START_TRANS(0xE); |
| 3159 | writeq(val64, &bar0->mdio_control); |
| 3160 | udelay(100); |
| 3161 | |
| 3162 | /* Data transaction */ |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3163 | val64 = MDIO_MMD_INDX_ADDR(addr) | |
| 3164 | MDIO_MMD_DEV_ADDR(mmd_type) | |
| 3165 | MDIO_MMS_PRT_ADDR(0x0) | |
| 3166 | MDIO_OP(MDIO_OP_READ_TRANS); |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3167 | writeq(val64, &bar0->mdio_control); |
| 3168 | val64 = val64 | MDIO_CTRL_START_TRANS(0xE); |
| 3169 | writeq(val64, &bar0->mdio_control); |
| 3170 | udelay(100); |
| 3171 | |
| 3172 | /* Read the value from regs */ |
| 3173 | rval64 = readq(&bar0->mdio_control); |
| 3174 | rval64 = rval64 & 0xFFFF0000; |
| 3175 | rval64 = rval64 >> 16; |
| 3176 | return rval64; |
| 3177 | } |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3178 | |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3179 | /** |
| 3180 | * s2io_chk_xpak_counter - Function to check the status of the xpak counters |
Uwe Kleine-König | fbfecd3 | 2009-10-28 20:11:04 +0100 | [diff] [blame] | 3181 | * @counter : counter value to be updated |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3182 | * @flag : flag to indicate the status |
| 3183 | * @type : counter type |
| 3184 | * Description: |
| 3185 | * This function is to check the status of the xpak counters value |
| 3186 | * NONE |
| 3187 | */ |
| 3188 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3189 | static void s2io_chk_xpak_counter(u64 *counter, u64 * regs_stat, u32 index, |
| 3190 | u16 flag, u16 type) |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3191 | { |
| 3192 | u64 mask = 0x3; |
| 3193 | u64 val64; |
| 3194 | int i; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3195 | for (i = 0; i < index; i++) |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3196 | mask = mask << 0x2; |
| 3197 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3198 | if (flag > 0) { |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3199 | *counter = *counter + 1; |
| 3200 | val64 = *regs_stat & mask; |
| 3201 | val64 = val64 >> (index * 0x2); |
| 3202 | val64 = val64 + 1; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3203 | if (val64 == 3) { |
| 3204 | switch (type) { |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3205 | case 1: |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 3206 | DBG_PRINT(ERR_DBG, |
| 3207 | "Take Xframe NIC out of service.\n"); |
| 3208 | DBG_PRINT(ERR_DBG, |
| 3209 | "Excessive temperatures may result in premature transceiver failure.\n"); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3210 | break; |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3211 | case 2: |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 3212 | DBG_PRINT(ERR_DBG, |
| 3213 | "Take Xframe NIC out of service.\n"); |
| 3214 | DBG_PRINT(ERR_DBG, |
| 3215 | "Excessive bias currents may indicate imminent laser diode failure.\n"); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3216 | break; |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3217 | case 3: |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 3218 | DBG_PRINT(ERR_DBG, |
| 3219 | "Take Xframe NIC out of service.\n"); |
| 3220 | DBG_PRINT(ERR_DBG, |
| 3221 | "Excessive laser output power may saturate far-end receiver.\n"); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3222 | break; |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3223 | default: |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3224 | DBG_PRINT(ERR_DBG, |
| 3225 | "Incorrect XPAK Alarm type\n"); |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3226 | } |
| 3227 | val64 = 0x0; |
| 3228 | } |
| 3229 | val64 = val64 << (index * 0x2); |
| 3230 | *regs_stat = (*regs_stat & (~mask)) | (val64); |
| 3231 | |
| 3232 | } else { |
| 3233 | *regs_stat = *regs_stat & (~mask); |
| 3234 | } |
| 3235 | } |
| 3236 | |
| 3237 | /** |
| 3238 | * s2io_updt_xpak_counter - Function to update the xpak counters |
| 3239 | * @dev : pointer to net_device struct |
| 3240 | * Description: |
| 3241 | * This function is to upate the status of the xpak counters value |
| 3242 | * NONE |
| 3243 | */ |
| 3244 | static void s2io_updt_xpak_counter(struct net_device *dev) |
| 3245 | { |
| 3246 | u16 flag = 0x0; |
| 3247 | u16 type = 0x0; |
| 3248 | u16 val16 = 0x0; |
| 3249 | u64 val64 = 0x0; |
| 3250 | u64 addr = 0x0; |
| 3251 | |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 3252 | struct s2io_nic *sp = netdev_priv(dev); |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3253 | struct stat_block *stats = sp->mac_control.stats_info; |
| 3254 | struct xpakStat *xstats = &stats->xpak_stat; |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3255 | |
| 3256 | /* Check the communication with the MDIO slave */ |
Ben Hutchings | 4023939 | 2009-04-29 08:13:29 +0000 | [diff] [blame] | 3257 | addr = MDIO_CTRL1; |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3258 | val64 = 0x0; |
Ben Hutchings | 4023939 | 2009-04-29 08:13:29 +0000 | [diff] [blame] | 3259 | val64 = s2io_mdio_read(MDIO_MMD_PMAPMD, addr, dev); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3260 | if ((val64 == 0xFFFF) || (val64 == 0x0000)) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 3261 | DBG_PRINT(ERR_DBG, |
| 3262 | "ERR: MDIO slave access failed - Returned %llx\n", |
| 3263 | (unsigned long long)val64); |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3264 | return; |
| 3265 | } |
| 3266 | |
Ben Hutchings | 4023939 | 2009-04-29 08:13:29 +0000 | [diff] [blame] | 3267 | /* Check for the expected value of control reg 1 */ |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3268 | if (val64 != MDIO_CTRL1_SPEED10G) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 3269 | DBG_PRINT(ERR_DBG, "Incorrect value at PMA address 0x0000 - " |
| 3270 | "Returned: %llx- Expected: 0x%x\n", |
Ben Hutchings | 4023939 | 2009-04-29 08:13:29 +0000 | [diff] [blame] | 3271 | (unsigned long long)val64, MDIO_CTRL1_SPEED10G); |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3272 | return; |
| 3273 | } |
| 3274 | |
| 3275 | /* Loading the DOM register to MDIO register */ |
| 3276 | addr = 0xA100; |
Ben Hutchings | 4023939 | 2009-04-29 08:13:29 +0000 | [diff] [blame] | 3277 | s2io_mdio_write(MDIO_MMD_PMAPMD, addr, val16, dev); |
| 3278 | val64 = s2io_mdio_read(MDIO_MMD_PMAPMD, addr, dev); |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3279 | |
| 3280 | /* Reading the Alarm flags */ |
| 3281 | addr = 0xA070; |
| 3282 | val64 = 0x0; |
Ben Hutchings | 4023939 | 2009-04-29 08:13:29 +0000 | [diff] [blame] | 3283 | val64 = s2io_mdio_read(MDIO_MMD_PMAPMD, addr, dev); |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3284 | |
| 3285 | flag = CHECKBIT(val64, 0x7); |
| 3286 | type = 1; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3287 | s2io_chk_xpak_counter(&xstats->alarm_transceiver_temp_high, |
| 3288 | &xstats->xpak_regs_stat, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3289 | 0x0, flag, type); |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3290 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3291 | if (CHECKBIT(val64, 0x6)) |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3292 | xstats->alarm_transceiver_temp_low++; |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3293 | |
| 3294 | flag = CHECKBIT(val64, 0x3); |
| 3295 | type = 2; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3296 | s2io_chk_xpak_counter(&xstats->alarm_laser_bias_current_high, |
| 3297 | &xstats->xpak_regs_stat, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3298 | 0x2, flag, type); |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3299 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3300 | if (CHECKBIT(val64, 0x2)) |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3301 | xstats->alarm_laser_bias_current_low++; |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3302 | |
| 3303 | flag = CHECKBIT(val64, 0x1); |
| 3304 | type = 3; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3305 | s2io_chk_xpak_counter(&xstats->alarm_laser_output_power_high, |
| 3306 | &xstats->xpak_regs_stat, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3307 | 0x4, flag, type); |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3308 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3309 | if (CHECKBIT(val64, 0x0)) |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3310 | xstats->alarm_laser_output_power_low++; |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3311 | |
| 3312 | /* Reading the Warning flags */ |
| 3313 | addr = 0xA074; |
| 3314 | val64 = 0x0; |
Ben Hutchings | 4023939 | 2009-04-29 08:13:29 +0000 | [diff] [blame] | 3315 | val64 = s2io_mdio_read(MDIO_MMD_PMAPMD, addr, dev); |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3316 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3317 | if (CHECKBIT(val64, 0x7)) |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3318 | xstats->warn_transceiver_temp_high++; |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3319 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3320 | if (CHECKBIT(val64, 0x6)) |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3321 | xstats->warn_transceiver_temp_low++; |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3322 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3323 | if (CHECKBIT(val64, 0x3)) |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3324 | xstats->warn_laser_bias_current_high++; |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3325 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3326 | if (CHECKBIT(val64, 0x2)) |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3327 | xstats->warn_laser_bias_current_low++; |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3328 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3329 | if (CHECKBIT(val64, 0x1)) |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3330 | xstats->warn_laser_output_power_high++; |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3331 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3332 | if (CHECKBIT(val64, 0x0)) |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3333 | xstats->warn_laser_output_power_low++; |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 3334 | } |
| 3335 | |
| 3336 | /** |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3337 | * wait_for_cmd_complete - waits for a command to complete. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3338 | * @sp : private member of the device structure, which is a pointer to the |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3339 | * s2io_nic structure. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3340 | * Description: Function that waits for a command to Write into RMAC |
| 3341 | * ADDR DATA registers to be completed and returns either success or |
| 3342 | * error depending on whether the command was complete or not. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3343 | * Return value: |
| 3344 | * SUCCESS on success and FAILURE on failure. |
| 3345 | */ |
| 3346 | |
Sivakumar Subramani | 9fc93a4 | 2007-02-24 01:57:32 -0500 | [diff] [blame] | 3347 | static int wait_for_cmd_complete(void __iomem *addr, u64 busy_bit, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3348 | int bit_state) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3349 | { |
Sivakumar Subramani | 9fc93a4 | 2007-02-24 01:57:32 -0500 | [diff] [blame] | 3350 | int ret = FAILURE, cnt = 0, delay = 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3351 | u64 val64; |
| 3352 | |
Sivakumar Subramani | 9fc93a4 | 2007-02-24 01:57:32 -0500 | [diff] [blame] | 3353 | if ((bit_state != S2IO_BIT_RESET) && (bit_state != S2IO_BIT_SET)) |
| 3354 | return FAILURE; |
| 3355 | |
| 3356 | do { |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 3357 | val64 = readq(addr); |
Sivakumar Subramani | 9fc93a4 | 2007-02-24 01:57:32 -0500 | [diff] [blame] | 3358 | if (bit_state == S2IO_BIT_RESET) { |
| 3359 | if (!(val64 & busy_bit)) { |
| 3360 | ret = SUCCESS; |
| 3361 | break; |
| 3362 | } |
| 3363 | } else { |
Ram Vepa | 2d146eb | 2010-01-19 12:36:20 -0800 | [diff] [blame] | 3364 | if (val64 & busy_bit) { |
Sivakumar Subramani | 9fc93a4 | 2007-02-24 01:57:32 -0500 | [diff] [blame] | 3365 | ret = SUCCESS; |
| 3366 | break; |
| 3367 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3368 | } |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 3369 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3370 | if (in_interrupt()) |
Sivakumar Subramani | 9fc93a4 | 2007-02-24 01:57:32 -0500 | [diff] [blame] | 3371 | mdelay(delay); |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 3372 | else |
Sivakumar Subramani | 9fc93a4 | 2007-02-24 01:57:32 -0500 | [diff] [blame] | 3373 | msleep(delay); |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 3374 | |
Sivakumar Subramani | 9fc93a4 | 2007-02-24 01:57:32 -0500 | [diff] [blame] | 3375 | if (++cnt >= 10) |
| 3376 | delay = 50; |
| 3377 | } while (cnt < 20); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3378 | return ret; |
| 3379 | } |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 3380 | /* |
| 3381 | * check_pci_device_id - Checks if the device id is supported |
| 3382 | * @id : device id |
| 3383 | * Description: Function to check if the pci device id is supported by driver. |
| 3384 | * Return value: Actual device id if supported else PCI_ANY_ID |
| 3385 | */ |
| 3386 | static u16 check_pci_device_id(u16 id) |
| 3387 | { |
| 3388 | switch (id) { |
| 3389 | case PCI_DEVICE_ID_HERC_WIN: |
| 3390 | case PCI_DEVICE_ID_HERC_UNI: |
| 3391 | return XFRAME_II_DEVICE; |
| 3392 | case PCI_DEVICE_ID_S2IO_UNI: |
| 3393 | case PCI_DEVICE_ID_S2IO_WIN: |
| 3394 | return XFRAME_I_DEVICE; |
| 3395 | default: |
| 3396 | return PCI_ANY_ID; |
| 3397 | } |
| 3398 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3399 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3400 | /** |
| 3401 | * s2io_reset - Resets the card. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3402 | * @sp : private member of the device structure. |
| 3403 | * Description: Function to Reset the card. This function then also |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3404 | * restores the previously saved PCI configuration space registers as |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3405 | * the card reset also resets the configuration space. |
| 3406 | * Return value: |
| 3407 | * void. |
| 3408 | */ |
| 3409 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3410 | static void s2io_reset(struct s2io_nic *sp) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3411 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 3412 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3413 | u64 val64; |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 3414 | u16 subid, pci_cmd; |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 3415 | int i; |
| 3416 | u16 val16; |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 3417 | unsigned long long up_cnt, down_cnt, up_time, down_time, reset_cnt; |
| 3418 | unsigned long long mem_alloc_cnt, mem_free_cnt, watchdog_cnt; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3419 | struct stat_block *stats; |
| 3420 | struct swStat *swstats; |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 3421 | |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 3422 | DBG_PRINT(INIT_DBG, "%s: Resetting XFrame card %s\n", |
Breno Leitao | 3a22813 | 2010-03-04 10:40:44 +0000 | [diff] [blame] | 3423 | __func__, pci_name(sp->pdev)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3424 | |
raghavendra.koushik@neterion.com | 0b1f7eb | 2005-08-03 12:39:56 -0700 | [diff] [blame] | 3425 | /* Back up the PCI-X CMD reg, dont want to lose MMRBC, OST settings */ |
ravinandan.arakali@neterion.com | e960fc5 | 2005-08-12 10:15:59 -0700 | [diff] [blame] | 3426 | pci_read_config_word(sp->pdev, PCIX_COMMAND_REGISTER, &(pci_cmd)); |
raghavendra.koushik@neterion.com | 0b1f7eb | 2005-08-03 12:39:56 -0700 | [diff] [blame] | 3427 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3428 | val64 = SW_RESET_ALL; |
| 3429 | writeq(val64, &bar0->sw_reset); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3430 | if (strstr(sp->product_name, "CX4")) |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 3431 | msleep(750); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3432 | msleep(250); |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 3433 | for (i = 0; i < S2IO_MAX_PCI_CONFIG_SPACE_REINIT; i++) { |
| 3434 | |
| 3435 | /* Restore the PCI state saved during initialization. */ |
| 3436 | pci_restore_state(sp->pdev); |
Breno Leitao | b8a623b | 2009-11-10 09:44:23 +0000 | [diff] [blame] | 3437 | pci_save_state(sp->pdev); |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 3438 | pci_read_config_word(sp->pdev, 0x2, &val16); |
| 3439 | if (check_pci_device_id(val16) != (u16)PCI_ANY_ID) |
| 3440 | break; |
| 3441 | msleep(200); |
| 3442 | } |
| 3443 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3444 | if (check_pci_device_id(val16) == (u16)PCI_ANY_ID) |
| 3445 | DBG_PRINT(ERR_DBG, "%s SW_Reset failed!\n", __func__); |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 3446 | |
| 3447 | pci_write_config_word(sp->pdev, PCIX_COMMAND_REGISTER, pci_cmd); |
| 3448 | |
| 3449 | s2io_init_pci(sp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3450 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3451 | /* Set swapper to enable I/O register access */ |
| 3452 | s2io_set_swapper(sp); |
| 3453 | |
Sreenivasa Honnur | faa4f79 | 2008-01-24 01:45:43 -0800 | [diff] [blame] | 3454 | /* restore mac_addr entries */ |
| 3455 | do_s2io_restore_unicast_mc(sp); |
| 3456 | |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3457 | /* Restore the MSIX table entries from local variables */ |
| 3458 | restore_xmsi_data(sp); |
| 3459 | |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 3460 | /* Clear certain PCI/PCI-X fields after reset */ |
raghavendra.koushik@neterion.com | 303bcb4 | 2005-08-03 12:41:38 -0700 | [diff] [blame] | 3461 | if (sp->device_type == XFRAME_II_DEVICE) { |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 3462 | /* Clear "detected parity error" bit */ |
raghavendra.koushik@neterion.com | 303bcb4 | 2005-08-03 12:41:38 -0700 | [diff] [blame] | 3463 | pci_write_config_word(sp->pdev, PCI_STATUS, 0x8000); |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 3464 | |
raghavendra.koushik@neterion.com | 303bcb4 | 2005-08-03 12:41:38 -0700 | [diff] [blame] | 3465 | /* Clearing PCIX Ecc status register */ |
| 3466 | pci_write_config_dword(sp->pdev, 0x68, 0x7C); |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 3467 | |
raghavendra.koushik@neterion.com | 303bcb4 | 2005-08-03 12:41:38 -0700 | [diff] [blame] | 3468 | /* Clearing PCI_STATUS error reflected here */ |
Jiri Slaby | b7b5a12 | 2007-10-18 23:40:29 -0700 | [diff] [blame] | 3469 | writeq(s2BIT(62), &bar0->txpic_int_reg); |
raghavendra.koushik@neterion.com | 303bcb4 | 2005-08-03 12:41:38 -0700 | [diff] [blame] | 3470 | } |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 3471 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3472 | /* Reset device statistics maintained by OS */ |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3473 | memset(&sp->stats, 0, sizeof(struct net_device_stats)); |
Sivakumar Subramani | 8a4bdba | 2007-09-18 18:14:20 -0400 | [diff] [blame] | 3474 | |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3475 | stats = sp->mac_control.stats_info; |
| 3476 | swstats = &stats->sw_stat; |
| 3477 | |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 3478 | /* save link up/down time/cnt, reset/memory/watchdog cnt */ |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3479 | up_cnt = swstats->link_up_cnt; |
| 3480 | down_cnt = swstats->link_down_cnt; |
| 3481 | up_time = swstats->link_up_time; |
| 3482 | down_time = swstats->link_down_time; |
| 3483 | reset_cnt = swstats->soft_reset_cnt; |
| 3484 | mem_alloc_cnt = swstats->mem_allocated; |
| 3485 | mem_free_cnt = swstats->mem_freed; |
| 3486 | watchdog_cnt = swstats->watchdog_timer_cnt; |
| 3487 | |
| 3488 | memset(stats, 0, sizeof(struct stat_block)); |
| 3489 | |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 3490 | /* restore link up/down time/cnt, reset/memory/watchdog cnt */ |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3491 | swstats->link_up_cnt = up_cnt; |
| 3492 | swstats->link_down_cnt = down_cnt; |
| 3493 | swstats->link_up_time = up_time; |
| 3494 | swstats->link_down_time = down_time; |
| 3495 | swstats->soft_reset_cnt = reset_cnt; |
| 3496 | swstats->mem_allocated = mem_alloc_cnt; |
| 3497 | swstats->mem_freed = mem_free_cnt; |
| 3498 | swstats->watchdog_timer_cnt = watchdog_cnt; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3499 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3500 | /* SXE-002: Configure link and activity LED to turn it off */ |
| 3501 | subid = sp->pdev->subsystem_device; |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 3502 | if (((subid & 0xFF) >= 0x07) && |
| 3503 | (sp->device_type == XFRAME_I_DEVICE)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3504 | val64 = readq(&bar0->gpio_control); |
| 3505 | val64 |= 0x0000800000000000ULL; |
| 3506 | writeq(val64, &bar0->gpio_control); |
| 3507 | val64 = 0x0411040400000000ULL; |
viro@ftp.linux.org.uk | 509a267 | 2005-09-05 03:25:58 +0100 | [diff] [blame] | 3508 | writeq(val64, (void __iomem *)bar0 + 0x2700); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3509 | } |
| 3510 | |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 3511 | /* |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 3512 | * Clear spurious ECC interrupts that would have occurred on |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 3513 | * XFRAME II cards after reset. |
| 3514 | */ |
| 3515 | if (sp->device_type == XFRAME_II_DEVICE) { |
| 3516 | val64 = readq(&bar0->pcc_err_reg); |
| 3517 | writeq(val64, &bar0->pcc_err_reg); |
| 3518 | } |
| 3519 | |
Tobias Klauser | f957bcf | 2009-06-04 23:07:59 +0000 | [diff] [blame] | 3520 | sp->device_enabled_once = false; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3521 | } |
| 3522 | |
| 3523 | /** |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3524 | * s2io_set_swapper - to set the swapper controle on the card |
| 3525 | * @sp : private member of the device structure, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3526 | * pointer to the s2io_nic structure. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3527 | * Description: Function to set the swapper control on the card |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3528 | * correctly depending on the 'endianness' of the system. |
| 3529 | * Return value: |
| 3530 | * SUCCESS on success and FAILURE on failure. |
| 3531 | */ |
| 3532 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3533 | static int s2io_set_swapper(struct s2io_nic *sp) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3534 | { |
| 3535 | struct net_device *dev = sp->dev; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 3536 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3537 | u64 val64, valt, valr; |
| 3538 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3539 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3540 | * Set proper endian settings and verify the same by reading |
| 3541 | * the PIF Feed-back register. |
| 3542 | */ |
| 3543 | |
| 3544 | val64 = readq(&bar0->pif_rd_swapper_fb); |
| 3545 | if (val64 != 0x0123456789ABCDEFULL) { |
| 3546 | int i = 0; |
Jon Mason | 85a5649 | 2010-12-10 15:40:04 +0000 | [diff] [blame] | 3547 | static const u64 value[] = { |
| 3548 | 0xC30000C3C30000C3ULL, /* FE=1, SE=1 */ |
| 3549 | 0x8100008181000081ULL, /* FE=1, SE=0 */ |
| 3550 | 0x4200004242000042ULL, /* FE=0, SE=1 */ |
| 3551 | 0 /* FE=0, SE=0 */ |
| 3552 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3553 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3554 | while (i < 4) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3555 | writeq(value[i], &bar0->swapper_ctrl); |
| 3556 | val64 = readq(&bar0->pif_rd_swapper_fb); |
| 3557 | if (val64 == 0x0123456789ABCDEFULL) |
| 3558 | break; |
| 3559 | i++; |
| 3560 | } |
| 3561 | if (i == 4) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 3562 | DBG_PRINT(ERR_DBG, "%s: Endian settings are wrong, " |
| 3563 | "feedback read %llx\n", |
| 3564 | dev->name, (unsigned long long)val64); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3565 | return FAILURE; |
| 3566 | } |
| 3567 | valr = value[i]; |
| 3568 | } else { |
| 3569 | valr = readq(&bar0->swapper_ctrl); |
| 3570 | } |
| 3571 | |
| 3572 | valt = 0x0123456789ABCDEFULL; |
| 3573 | writeq(valt, &bar0->xmsi_address); |
| 3574 | val64 = readq(&bar0->xmsi_address); |
| 3575 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3576 | if (val64 != valt) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3577 | int i = 0; |
Jon Mason | 85a5649 | 2010-12-10 15:40:04 +0000 | [diff] [blame] | 3578 | static const u64 value[] = { |
| 3579 | 0x00C3C30000C3C300ULL, /* FE=1, SE=1 */ |
| 3580 | 0x0081810000818100ULL, /* FE=1, SE=0 */ |
| 3581 | 0x0042420000424200ULL, /* FE=0, SE=1 */ |
| 3582 | 0 /* FE=0, SE=0 */ |
| 3583 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3584 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3585 | while (i < 4) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3586 | writeq((value[i] | valr), &bar0->swapper_ctrl); |
| 3587 | writeq(valt, &bar0->xmsi_address); |
| 3588 | val64 = readq(&bar0->xmsi_address); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3589 | if (val64 == valt) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3590 | break; |
| 3591 | i++; |
| 3592 | } |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3593 | if (i == 4) { |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3594 | unsigned long long x = val64; |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 3595 | DBG_PRINT(ERR_DBG, |
| 3596 | "Write failed, Xmsi_addr reads:0x%llx\n", x); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3597 | return FAILURE; |
| 3598 | } |
| 3599 | } |
| 3600 | val64 = readq(&bar0->swapper_ctrl); |
| 3601 | val64 &= 0xFFFF000000000000ULL; |
| 3602 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3603 | #ifdef __BIG_ENDIAN |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3604 | /* |
| 3605 | * The device by default set to a big endian format, so a |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3606 | * big endian driver need not set anything. |
| 3607 | */ |
| 3608 | val64 |= (SWAPPER_CTRL_TXP_FE | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3609 | SWAPPER_CTRL_TXP_SE | |
| 3610 | SWAPPER_CTRL_TXD_R_FE | |
| 3611 | SWAPPER_CTRL_TXD_W_FE | |
| 3612 | SWAPPER_CTRL_TXF_R_FE | |
| 3613 | SWAPPER_CTRL_RXD_R_FE | |
| 3614 | SWAPPER_CTRL_RXD_W_FE | |
| 3615 | SWAPPER_CTRL_RXF_W_FE | |
| 3616 | SWAPPER_CTRL_XMSI_FE | |
| 3617 | SWAPPER_CTRL_STATS_FE | |
| 3618 | SWAPPER_CTRL_STATS_SE); |
Sivakumar Subramani | eaae7f7 | 2007-09-15 14:14:22 -0700 | [diff] [blame] | 3619 | if (sp->config.intr_type == INTA) |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3620 | val64 |= SWAPPER_CTRL_XMSI_SE; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3621 | writeq(val64, &bar0->swapper_ctrl); |
| 3622 | #else |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3623 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3624 | * Initially we enable all bits to make it accessible by the |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3625 | * driver, then we selectively enable only those bits that |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3626 | * we want to set. |
| 3627 | */ |
| 3628 | val64 |= (SWAPPER_CTRL_TXP_FE | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3629 | SWAPPER_CTRL_TXP_SE | |
| 3630 | SWAPPER_CTRL_TXD_R_FE | |
| 3631 | SWAPPER_CTRL_TXD_R_SE | |
| 3632 | SWAPPER_CTRL_TXD_W_FE | |
| 3633 | SWAPPER_CTRL_TXD_W_SE | |
| 3634 | SWAPPER_CTRL_TXF_R_FE | |
| 3635 | SWAPPER_CTRL_RXD_R_FE | |
| 3636 | SWAPPER_CTRL_RXD_R_SE | |
| 3637 | SWAPPER_CTRL_RXD_W_FE | |
| 3638 | SWAPPER_CTRL_RXD_W_SE | |
| 3639 | SWAPPER_CTRL_RXF_W_FE | |
| 3640 | SWAPPER_CTRL_XMSI_FE | |
| 3641 | SWAPPER_CTRL_STATS_FE | |
| 3642 | SWAPPER_CTRL_STATS_SE); |
Sivakumar Subramani | eaae7f7 | 2007-09-15 14:14:22 -0700 | [diff] [blame] | 3643 | if (sp->config.intr_type == INTA) |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3644 | val64 |= SWAPPER_CTRL_XMSI_SE; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3645 | writeq(val64, &bar0->swapper_ctrl); |
| 3646 | #endif |
| 3647 | val64 = readq(&bar0->swapper_ctrl); |
| 3648 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3649 | /* |
| 3650 | * Verifying if endian settings are accurate by reading a |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3651 | * feedback register. |
| 3652 | */ |
| 3653 | val64 = readq(&bar0->pif_rd_swapper_fb); |
| 3654 | if (val64 != 0x0123456789ABCDEFULL) { |
| 3655 | /* Endian settings are incorrect, calls for another dekko. */ |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 3656 | DBG_PRINT(ERR_DBG, |
| 3657 | "%s: Endian settings are wrong, feedback read %llx\n", |
| 3658 | dev->name, (unsigned long long)val64); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3659 | return FAILURE; |
| 3660 | } |
| 3661 | |
| 3662 | return SUCCESS; |
| 3663 | } |
| 3664 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 3665 | static int wait_for_msix_trans(struct s2io_nic *nic, int i) |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3666 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 3667 | struct XENA_dev_config __iomem *bar0 = nic->bar0; |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3668 | u64 val64; |
| 3669 | int ret = 0, cnt = 0; |
| 3670 | |
| 3671 | do { |
| 3672 | val64 = readq(&bar0->xmsi_access); |
Jiri Slaby | b7b5a12 | 2007-10-18 23:40:29 -0700 | [diff] [blame] | 3673 | if (!(val64 & s2BIT(15))) |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3674 | break; |
| 3675 | mdelay(1); |
| 3676 | cnt++; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3677 | } while (cnt < 5); |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3678 | if (cnt == 5) { |
| 3679 | DBG_PRINT(ERR_DBG, "XMSI # %d Access failed\n", i); |
| 3680 | ret = 1; |
| 3681 | } |
| 3682 | |
| 3683 | return ret; |
| 3684 | } |
| 3685 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 3686 | static void restore_xmsi_data(struct s2io_nic *nic) |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3687 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 3688 | struct XENA_dev_config __iomem *bar0 = nic->bar0; |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3689 | u64 val64; |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 3690 | int i, msix_index; |
| 3691 | |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 3692 | if (nic->device_type == XFRAME_I_DEVICE) |
| 3693 | return; |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3694 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3695 | for (i = 0; i < MAX_REQUESTED_MSI_X; i++) { |
| 3696 | msix_index = (i) ? ((i-1) * 8 + 1) : 0; |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3697 | writeq(nic->msix_info[i].addr, &bar0->xmsi_address); |
| 3698 | writeq(nic->msix_info[i].data, &bar0->xmsi_data); |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 3699 | val64 = (s2BIT(7) | s2BIT(15) | vBIT(msix_index, 26, 6)); |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3700 | writeq(val64, &bar0->xmsi_access); |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 3701 | if (wait_for_msix_trans(nic, msix_index)) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 3702 | DBG_PRINT(ERR_DBG, "%s: index: %d failed\n", |
| 3703 | __func__, msix_index); |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3704 | continue; |
| 3705 | } |
| 3706 | } |
| 3707 | } |
| 3708 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 3709 | static void store_xmsi_data(struct s2io_nic *nic) |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3710 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 3711 | struct XENA_dev_config __iomem *bar0 = nic->bar0; |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3712 | u64 val64, addr, data; |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 3713 | int i, msix_index; |
| 3714 | |
| 3715 | if (nic->device_type == XFRAME_I_DEVICE) |
| 3716 | return; |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3717 | |
| 3718 | /* Store and display */ |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3719 | for (i = 0; i < MAX_REQUESTED_MSI_X; i++) { |
| 3720 | msix_index = (i) ? ((i-1) * 8 + 1) : 0; |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 3721 | val64 = (s2BIT(15) | vBIT(msix_index, 26, 6)); |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3722 | writeq(val64, &bar0->xmsi_access); |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 3723 | if (wait_for_msix_trans(nic, msix_index)) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 3724 | DBG_PRINT(ERR_DBG, "%s: index: %d failed\n", |
| 3725 | __func__, msix_index); |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3726 | continue; |
| 3727 | } |
| 3728 | addr = readq(&bar0->xmsi_address); |
| 3729 | data = readq(&bar0->xmsi_data); |
| 3730 | if (addr && data) { |
| 3731 | nic->msix_info[i].addr = addr; |
| 3732 | nic->msix_info[i].data = data; |
| 3733 | } |
| 3734 | } |
| 3735 | } |
| 3736 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 3737 | static int s2io_enable_msi_x(struct s2io_nic *nic) |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3738 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 3739 | struct XENA_dev_config __iomem *bar0 = nic->bar0; |
Sreenivasa Honnur | ac731ab | 2008-05-12 13:41:32 -0400 | [diff] [blame] | 3740 | u64 rx_mat; |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3741 | u16 msi_control; /* Temp variable */ |
| 3742 | int ret, i, j, msix_indx = 1; |
Joe Perches | 4f87032 | 2009-08-24 17:29:42 +0000 | [diff] [blame] | 3743 | int size; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3744 | struct stat_block *stats = nic->mac_control.stats_info; |
| 3745 | struct swStat *swstats = &stats->sw_stat; |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3746 | |
Joe Perches | 4f87032 | 2009-08-24 17:29:42 +0000 | [diff] [blame] | 3747 | size = nic->num_entries * sizeof(struct msix_entry); |
Joe Perches | 44364a0 | 2009-08-24 17:29:43 +0000 | [diff] [blame] | 3748 | nic->entries = kzalloc(size, GFP_KERNEL); |
Sivakumar Subramani | bd684e4 | 2007-09-14 07:28:50 -0400 | [diff] [blame] | 3749 | if (!nic->entries) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3750 | DBG_PRINT(INFO_DBG, "%s: Memory allocation failed\n", |
| 3751 | __func__); |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3752 | swstats->mem_alloc_fail_cnt++; |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3753 | return -ENOMEM; |
| 3754 | } |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3755 | swstats->mem_allocated += size; |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 3756 | |
Joe Perches | 4f87032 | 2009-08-24 17:29:42 +0000 | [diff] [blame] | 3757 | size = nic->num_entries * sizeof(struct s2io_msix_entry); |
Joe Perches | 44364a0 | 2009-08-24 17:29:43 +0000 | [diff] [blame] | 3758 | nic->s2io_entries = kzalloc(size, GFP_KERNEL); |
Sivakumar Subramani | bd684e4 | 2007-09-14 07:28:50 -0400 | [diff] [blame] | 3759 | if (!nic->s2io_entries) { |
Sivakumar Subramani | 8a4bdba | 2007-09-18 18:14:20 -0400 | [diff] [blame] | 3760 | DBG_PRINT(INFO_DBG, "%s: Memory allocation failed\n", |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3761 | __func__); |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3762 | swstats->mem_alloc_fail_cnt++; |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3763 | kfree(nic->entries); |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3764 | swstats->mem_freed |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 3765 | += (nic->num_entries * sizeof(struct msix_entry)); |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3766 | return -ENOMEM; |
| 3767 | } |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3768 | swstats->mem_allocated += size; |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3769 | |
Sreenivasa Honnur | ac731ab | 2008-05-12 13:41:32 -0400 | [diff] [blame] | 3770 | nic->entries[0].entry = 0; |
| 3771 | nic->s2io_entries[0].entry = 0; |
| 3772 | nic->s2io_entries[0].in_use = MSIX_FLG; |
| 3773 | nic->s2io_entries[0].type = MSIX_ALARM_TYPE; |
| 3774 | nic->s2io_entries[0].arg = &nic->mac_control.fifos; |
| 3775 | |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 3776 | for (i = 1; i < nic->num_entries; i++) { |
| 3777 | nic->entries[i].entry = ((i - 1) * 8) + 1; |
| 3778 | nic->s2io_entries[i].entry = ((i - 1) * 8) + 1; |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3779 | nic->s2io_entries[i].arg = NULL; |
| 3780 | nic->s2io_entries[i].in_use = 0; |
| 3781 | } |
| 3782 | |
Sivakumar Subramani | 8a4bdba | 2007-09-18 18:14:20 -0400 | [diff] [blame] | 3783 | rx_mat = readq(&bar0->rx_mat); |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 3784 | for (j = 0; j < nic->config.rx_ring_num; j++) { |
Sivakumar Subramani | 8a4bdba | 2007-09-18 18:14:20 -0400 | [diff] [blame] | 3785 | rx_mat |= RX_MAT_SET(j, msix_indx); |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 3786 | nic->s2io_entries[j+1].arg = &nic->mac_control.rings[j]; |
| 3787 | nic->s2io_entries[j+1].type = MSIX_RING_TYPE; |
| 3788 | nic->s2io_entries[j+1].in_use = MSIX_FLG; |
| 3789 | msix_indx += 8; |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3790 | } |
Sivakumar Subramani | 8a4bdba | 2007-09-18 18:14:20 -0400 | [diff] [blame] | 3791 | writeq(rx_mat, &bar0->rx_mat); |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 3792 | readq(&bar0->rx_mat); |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3793 | |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 3794 | ret = pci_enable_msix(nic->pdev, nic->entries, nic->num_entries); |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 3795 | /* We fail init if error or we get less vectors than min required */ |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3796 | if (ret) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 3797 | DBG_PRINT(ERR_DBG, "Enabling MSI-X failed\n"); |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3798 | kfree(nic->entries); |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3799 | swstats->mem_freed += nic->num_entries * |
| 3800 | sizeof(struct msix_entry); |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3801 | kfree(nic->s2io_entries); |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3802 | swstats->mem_freed += nic->num_entries * |
| 3803 | sizeof(struct s2io_msix_entry); |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3804 | nic->entries = NULL; |
| 3805 | nic->s2io_entries = NULL; |
| 3806 | return -ENOMEM; |
| 3807 | } |
| 3808 | |
| 3809 | /* |
| 3810 | * To enable MSI-X, MSI also needs to be enabled, due to a bug |
| 3811 | * in the herc NIC. (Temp change, needs to be removed later) |
| 3812 | */ |
| 3813 | pci_read_config_word(nic->pdev, 0x42, &msi_control); |
| 3814 | msi_control |= 0x1; /* Enable MSI */ |
| 3815 | pci_write_config_word(nic->pdev, 0x42, msi_control); |
| 3816 | |
| 3817 | return 0; |
| 3818 | } |
| 3819 | |
Sivakumar Subramani | 8abc4d5 | 2007-09-15 13:11:34 -0700 | [diff] [blame] | 3820 | /* Handle software interrupt used during MSI(X) test */ |
Adrian Bunk | 33390a7 | 2007-12-11 23:23:06 +0100 | [diff] [blame] | 3821 | static irqreturn_t s2io_test_intr(int irq, void *dev_id) |
Sivakumar Subramani | 8abc4d5 | 2007-09-15 13:11:34 -0700 | [diff] [blame] | 3822 | { |
| 3823 | struct s2io_nic *sp = dev_id; |
| 3824 | |
| 3825 | sp->msi_detected = 1; |
| 3826 | wake_up(&sp->msi_wait); |
| 3827 | |
| 3828 | return IRQ_HANDLED; |
| 3829 | } |
| 3830 | |
| 3831 | /* Test interrupt path by forcing a a software IRQ */ |
Adrian Bunk | 33390a7 | 2007-12-11 23:23:06 +0100 | [diff] [blame] | 3832 | static int s2io_test_msi(struct s2io_nic *sp) |
Sivakumar Subramani | 8abc4d5 | 2007-09-15 13:11:34 -0700 | [diff] [blame] | 3833 | { |
| 3834 | struct pci_dev *pdev = sp->pdev; |
| 3835 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
| 3836 | int err; |
| 3837 | u64 val64, saved64; |
| 3838 | |
| 3839 | err = request_irq(sp->entries[1].vector, s2io_test_intr, 0, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3840 | sp->name, sp); |
Sivakumar Subramani | 8abc4d5 | 2007-09-15 13:11:34 -0700 | [diff] [blame] | 3841 | if (err) { |
| 3842 | DBG_PRINT(ERR_DBG, "%s: PCI %s: cannot assign irq %d\n", |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3843 | sp->dev->name, pci_name(pdev), pdev->irq); |
Sivakumar Subramani | 8abc4d5 | 2007-09-15 13:11:34 -0700 | [diff] [blame] | 3844 | return err; |
| 3845 | } |
| 3846 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3847 | init_waitqueue_head(&sp->msi_wait); |
Sivakumar Subramani | 8abc4d5 | 2007-09-15 13:11:34 -0700 | [diff] [blame] | 3848 | sp->msi_detected = 0; |
| 3849 | |
| 3850 | saved64 = val64 = readq(&bar0->scheduled_int_ctrl); |
| 3851 | val64 |= SCHED_INT_CTRL_ONE_SHOT; |
| 3852 | val64 |= SCHED_INT_CTRL_TIMER_EN; |
| 3853 | val64 |= SCHED_INT_CTRL_INT2MSI(1); |
| 3854 | writeq(val64, &bar0->scheduled_int_ctrl); |
| 3855 | |
| 3856 | wait_event_timeout(sp->msi_wait, sp->msi_detected, HZ/10); |
| 3857 | |
| 3858 | if (!sp->msi_detected) { |
| 3859 | /* MSI(X) test failed, go back to INTx mode */ |
Joe Perches | 2450022 | 2007-11-19 17:48:28 -0800 | [diff] [blame] | 3860 | DBG_PRINT(ERR_DBG, "%s: PCI %s: No interrupt was generated " |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 3861 | "using MSI(X) during test\n", |
| 3862 | sp->dev->name, pci_name(pdev)); |
Sivakumar Subramani | 8abc4d5 | 2007-09-15 13:11:34 -0700 | [diff] [blame] | 3863 | |
| 3864 | err = -EOPNOTSUPP; |
| 3865 | } |
| 3866 | |
| 3867 | free_irq(sp->entries[1].vector, sp); |
| 3868 | |
| 3869 | writeq(saved64, &bar0->scheduled_int_ctrl); |
| 3870 | |
| 3871 | return err; |
| 3872 | } |
Sreenivasa Honnur | 18b2b7b | 2007-11-14 01:41:06 -0800 | [diff] [blame] | 3873 | |
| 3874 | static void remove_msix_isr(struct s2io_nic *sp) |
| 3875 | { |
| 3876 | int i; |
| 3877 | u16 msi_control; |
| 3878 | |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 3879 | for (i = 0; i < sp->num_entries; i++) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3880 | if (sp->s2io_entries[i].in_use == MSIX_REGISTERED_SUCCESS) { |
Sreenivasa Honnur | 18b2b7b | 2007-11-14 01:41:06 -0800 | [diff] [blame] | 3881 | int vector = sp->entries[i].vector; |
| 3882 | void *arg = sp->s2io_entries[i].arg; |
| 3883 | free_irq(vector, arg); |
| 3884 | } |
| 3885 | } |
| 3886 | |
| 3887 | kfree(sp->entries); |
| 3888 | kfree(sp->s2io_entries); |
| 3889 | sp->entries = NULL; |
| 3890 | sp->s2io_entries = NULL; |
| 3891 | |
| 3892 | pci_read_config_word(sp->pdev, 0x42, &msi_control); |
| 3893 | msi_control &= 0xFFFE; /* Disable MSI */ |
| 3894 | pci_write_config_word(sp->pdev, 0x42, msi_control); |
| 3895 | |
| 3896 | pci_disable_msix(sp->pdev); |
| 3897 | } |
| 3898 | |
| 3899 | static void remove_inta_isr(struct s2io_nic *sp) |
| 3900 | { |
| 3901 | struct net_device *dev = sp->dev; |
| 3902 | |
| 3903 | free_irq(sp->pdev->irq, dev); |
| 3904 | } |
| 3905 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3906 | /* ********************************************************* * |
| 3907 | * Functions defined below concern the OS part of the driver * |
| 3908 | * ********************************************************* */ |
| 3909 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3910 | /** |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3911 | * s2io_open - open entry point of the driver |
| 3912 | * @dev : pointer to the device structure. |
| 3913 | * Description: |
| 3914 | * This function is the open entry point of the driver. It mainly calls a |
| 3915 | * function to allocate Rx buffers and inserts them into the buffer |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3916 | * descriptors and then enables the Rx part of the NIC. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3917 | * Return value: |
| 3918 | * 0 on success and an appropriate (-)ve integer as defined in errno.h |
| 3919 | * file on failure. |
| 3920 | */ |
| 3921 | |
Adrian Bunk | ac1f60db | 2005-11-06 01:46:47 +0100 | [diff] [blame] | 3922 | static int s2io_open(struct net_device *dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3923 | { |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 3924 | struct s2io_nic *sp = netdev_priv(dev); |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3925 | struct swStat *swstats = &sp->mac_control.stats_info->sw_stat; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3926 | int err = 0; |
| 3927 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3928 | /* |
| 3929 | * Make sure you have link off by default every time |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3930 | * Nic is initialized |
| 3931 | */ |
| 3932 | netif_carrier_off(dev); |
raghavendra.koushik@neterion.com | 0b1f7eb | 2005-08-03 12:39:56 -0700 | [diff] [blame] | 3933 | sp->last_link_state = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3934 | |
| 3935 | /* Initialize H/W and enable interrupts */ |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 3936 | err = s2io_card_up(sp); |
| 3937 | if (err) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3938 | DBG_PRINT(ERR_DBG, "%s: H/W initialization failed\n", |
| 3939 | dev->name); |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 3940 | goto hw_init_failed; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3941 | } |
| 3942 | |
Sivakumar Subramani | 2fd3768 | 2007-09-14 07:39:19 -0400 | [diff] [blame] | 3943 | if (do_s2io_prog_unicast(dev, dev->dev_addr) == FAILURE) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3944 | DBG_PRINT(ERR_DBG, "Set Mac Address Failed\n"); |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 3945 | s2io_card_down(sp); |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3946 | err = -ENODEV; |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 3947 | goto hw_init_failed; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3948 | } |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 3949 | s2io_start_all_tx_queue(sp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3950 | return 0; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3951 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3952 | hw_init_failed: |
Sivakumar Subramani | eaae7f7 | 2007-09-15 14:14:22 -0700 | [diff] [blame] | 3953 | if (sp->config.intr_type == MSI_X) { |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 3954 | if (sp->entries) { |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3955 | kfree(sp->entries); |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3956 | swstats->mem_freed += sp->num_entries * |
| 3957 | sizeof(struct msix_entry); |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 3958 | } |
| 3959 | if (sp->s2io_entries) { |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3960 | kfree(sp->s2io_entries); |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 3961 | swstats->mem_freed += sp->num_entries * |
| 3962 | sizeof(struct s2io_msix_entry); |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 3963 | } |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3964 | } |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 3965 | return err; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3966 | } |
| 3967 | |
| 3968 | /** |
| 3969 | * s2io_close -close entry point of the driver |
| 3970 | * @dev : device pointer. |
| 3971 | * Description: |
| 3972 | * This is the stop entry point of the driver. It needs to undo exactly |
| 3973 | * whatever was done by the open entry point,thus it's usually referred to |
| 3974 | * as the close function.Among other things this function mainly stops the |
| 3975 | * Rx side of the NIC and frees all the Rx buffers in the Rx rings. |
| 3976 | * Return value: |
| 3977 | * 0 on success and an appropriate (-)ve integer as defined in errno.h |
| 3978 | * file on failure. |
| 3979 | */ |
| 3980 | |
Adrian Bunk | ac1f60db | 2005-11-06 01:46:47 +0100 | [diff] [blame] | 3981 | static int s2io_close(struct net_device *dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3982 | { |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 3983 | struct s2io_nic *sp = netdev_priv(dev); |
Sreenivasa Honnur | faa4f79 | 2008-01-24 01:45:43 -0800 | [diff] [blame] | 3984 | struct config_param *config = &sp->config; |
| 3985 | u64 tmp64; |
| 3986 | int offset; |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 3987 | |
Sreenivasa Honnur | 9f74ffd | 2007-11-30 01:46:08 -0500 | [diff] [blame] | 3988 | /* Return if the device is already closed * |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 3989 | * Can happen when s2io_card_up failed in change_mtu * |
| 3990 | */ |
Sreenivasa Honnur | 9f74ffd | 2007-11-30 01:46:08 -0500 | [diff] [blame] | 3991 | if (!is_s2io_card_up(sp)) |
| 3992 | return 0; |
| 3993 | |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 3994 | s2io_stop_all_tx_queue(sp); |
Sreenivasa Honnur | faa4f79 | 2008-01-24 01:45:43 -0800 | [diff] [blame] | 3995 | /* delete all populated mac entries */ |
| 3996 | for (offset = 1; offset < config->max_mc_addr; offset++) { |
| 3997 | tmp64 = do_s2io_read_unicast_mc(sp, offset); |
| 3998 | if (tmp64 != S2IO_DISABLE_MAC_ENTRY) |
| 3999 | do_s2io_delete_unicast_mc(sp, tmp64); |
| 4000 | } |
| 4001 | |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 4002 | s2io_card_down(sp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4003 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4004 | return 0; |
| 4005 | } |
| 4006 | |
| 4007 | /** |
| 4008 | * s2io_xmit - Tx entry point of te driver |
| 4009 | * @skb : the socket buffer containing the Tx data. |
| 4010 | * @dev : device pointer. |
| 4011 | * Description : |
| 4012 | * This function is the Tx entry point of the driver. S2IO NIC supports |
| 4013 | * certain protocol assist features on Tx side, namely CSO, S/G, LSO. |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 4014 | * NOTE: when device can't queue the pkt,just the trans_start variable will |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4015 | * not be upadted. |
| 4016 | * Return value: |
| 4017 | * 0 on success & 1 on failure. |
| 4018 | */ |
| 4019 | |
Stephen Hemminger | 61357325 | 2009-08-31 19:50:58 +0000 | [diff] [blame] | 4020 | static netdev_tx_t s2io_xmit(struct sk_buff *skb, struct net_device *dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4021 | { |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 4022 | struct s2io_nic *sp = netdev_priv(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4023 | u16 frg_cnt, frg_len, i, queue, queue_len, put_off, get_off; |
| 4024 | register u64 val64; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 4025 | struct TxD *txdp; |
| 4026 | struct TxFIFO_element __iomem *tx_fifo; |
Surjit Reang | 2fda096 | 2008-01-24 02:08:59 -0800 | [diff] [blame] | 4027 | unsigned long flags = 0; |
raghavendra.koushik@neterion.com | be3a6b0 | 2005-08-03 12:35:55 -0700 | [diff] [blame] | 4028 | u16 vlan_tag = 0; |
Surjit Reang | 2fda096 | 2008-01-24 02:08:59 -0800 | [diff] [blame] | 4029 | struct fifo_info *fifo = NULL; |
Sreenivasa Honnur | 6cfc482 | 2008-02-20 17:07:51 -0500 | [diff] [blame] | 4030 | int do_spin_lock = 1; |
Ananda Raju | 75c30b1 | 2006-07-24 19:55:09 -0400 | [diff] [blame] | 4031 | int offload_type; |
Sreenivasa Honnur | 6cfc482 | 2008-02-20 17:07:51 -0500 | [diff] [blame] | 4032 | int enable_per_list_interrupt = 0; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 4033 | struct config_param *config = &sp->config; |
| 4034 | struct mac_info *mac_control = &sp->mac_control; |
| 4035 | struct stat_block *stats = mac_control->stats_info; |
| 4036 | struct swStat *swstats = &stats->sw_stat; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4037 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 4038 | DBG_PRINT(TX_DBG, "%s: In Neterion Tx routine\n", dev->name); |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 4039 | |
| 4040 | if (unlikely(skb->len <= 0)) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 4041 | DBG_PRINT(TX_DBG, "%s: Buffer has no data..\n", dev->name); |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 4042 | dev_kfree_skb_any(skb); |
Patrick McHardy | 6ed1065 | 2009-06-23 06:03:08 +0000 | [diff] [blame] | 4043 | return NETDEV_TX_OK; |
Surjit Reang | 2fda096 | 2008-01-24 02:08:59 -0800 | [diff] [blame] | 4044 | } |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 4045 | |
Sivakumar Subramani | 92b8443 | 2007-09-06 06:51:14 -0400 | [diff] [blame] | 4046 | if (!is_s2io_card_up(sp)) { |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 4047 | DBG_PRINT(TX_DBG, "%s: Card going down for reset\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4048 | dev->name); |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 4049 | dev_kfree_skb(skb); |
Patrick McHardy | 6ed1065 | 2009-06-23 06:03:08 +0000 | [diff] [blame] | 4050 | return NETDEV_TX_OK; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4051 | } |
| 4052 | |
| 4053 | queue = 0; |
Jesse Gross | eab6d18 | 2010-10-20 13:56:03 +0000 | [diff] [blame] | 4054 | if (vlan_tx_tag_present(skb)) |
raghavendra.koushik@neterion.com | be3a6b0 | 2005-08-03 12:35:55 -0700 | [diff] [blame] | 4055 | vlan_tag = vlan_tx_tag_get(skb); |
Sreenivasa Honnur | 6cfc482 | 2008-02-20 17:07:51 -0500 | [diff] [blame] | 4056 | if (sp->config.tx_steering_type == TX_DEFAULT_STEERING) { |
| 4057 | if (skb->protocol == htons(ETH_P_IP)) { |
| 4058 | struct iphdr *ip; |
| 4059 | struct tcphdr *th; |
| 4060 | ip = ip_hdr(skb); |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 4061 | |
Paul Gortmaker | 56f8a75 | 2011-06-21 20:33:34 -0700 | [diff] [blame] | 4062 | if (!ip_is_fragment(ip)) { |
Sreenivasa Honnur | 6cfc482 | 2008-02-20 17:07:51 -0500 | [diff] [blame] | 4063 | th = (struct tcphdr *)(((unsigned char *)ip) + |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4064 | ip->ihl*4); |
raghavendra.koushik@neterion.com | be3a6b0 | 2005-08-03 12:35:55 -0700 | [diff] [blame] | 4065 | |
Sreenivasa Honnur | 6cfc482 | 2008-02-20 17:07:51 -0500 | [diff] [blame] | 4066 | if (ip->protocol == IPPROTO_TCP) { |
| 4067 | queue_len = sp->total_tcp_fifos; |
| 4068 | queue = (ntohs(th->source) + |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4069 | ntohs(th->dest)) & |
| 4070 | sp->fifo_selector[queue_len - 1]; |
Sreenivasa Honnur | 6cfc482 | 2008-02-20 17:07:51 -0500 | [diff] [blame] | 4071 | if (queue >= queue_len) |
| 4072 | queue = queue_len - 1; |
| 4073 | } else if (ip->protocol == IPPROTO_UDP) { |
| 4074 | queue_len = sp->total_udp_fifos; |
| 4075 | queue = (ntohs(th->source) + |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4076 | ntohs(th->dest)) & |
| 4077 | sp->fifo_selector[queue_len - 1]; |
Sreenivasa Honnur | 6cfc482 | 2008-02-20 17:07:51 -0500 | [diff] [blame] | 4078 | if (queue >= queue_len) |
| 4079 | queue = queue_len - 1; |
| 4080 | queue += sp->udp_fifo_idx; |
| 4081 | if (skb->len > 1024) |
| 4082 | enable_per_list_interrupt = 1; |
| 4083 | do_spin_lock = 0; |
| 4084 | } |
| 4085 | } |
| 4086 | } |
| 4087 | } else if (sp->config.tx_steering_type == TX_PRIORITY_STEERING) |
| 4088 | /* get fifo number based on skb->priority value */ |
| 4089 | queue = config->fifo_mapping |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4090 | [skb->priority & (MAX_TX_FIFOS - 1)]; |
Surjit Reang | 2fda096 | 2008-01-24 02:08:59 -0800 | [diff] [blame] | 4091 | fifo = &mac_control->fifos[queue]; |
Sreenivasa Honnur | 6cfc482 | 2008-02-20 17:07:51 -0500 | [diff] [blame] | 4092 | |
| 4093 | if (do_spin_lock) |
| 4094 | spin_lock_irqsave(&fifo->tx_lock, flags); |
| 4095 | else { |
| 4096 | if (unlikely(!spin_trylock_irqsave(&fifo->tx_lock, flags))) |
| 4097 | return NETDEV_TX_LOCKED; |
| 4098 | } |
| 4099 | |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 4100 | if (sp->config.multiq) { |
| 4101 | if (__netif_subqueue_stopped(dev, fifo->fifo_no)) { |
| 4102 | spin_unlock_irqrestore(&fifo->tx_lock, flags); |
| 4103 | return NETDEV_TX_BUSY; |
| 4104 | } |
David S. Miller | b19fa1f | 2008-07-08 23:14:24 -0700 | [diff] [blame] | 4105 | } else if (unlikely(fifo->queue_state == FIFO_QUEUE_STOP)) { |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 4106 | if (netif_queue_stopped(dev)) { |
| 4107 | spin_unlock_irqrestore(&fifo->tx_lock, flags); |
| 4108 | return NETDEV_TX_BUSY; |
| 4109 | } |
| 4110 | } |
| 4111 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4112 | put_off = (u16)fifo->tx_curr_put_info.offset; |
| 4113 | get_off = (u16)fifo->tx_curr_get_info.offset; |
Joe Perches | 43d620c | 2011-06-16 19:08:06 +0000 | [diff] [blame] | 4114 | txdp = fifo->list_info[put_off].list_virt_addr; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 4115 | |
Surjit Reang | 2fda096 | 2008-01-24 02:08:59 -0800 | [diff] [blame] | 4116 | queue_len = fifo->tx_curr_put_info.fifo_len + 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4117 | /* Avoid "put" pointer going beyond "get" pointer */ |
Ananda Raju | 863c11a | 2006-04-21 19:03:13 -0400 | [diff] [blame] | 4118 | if (txdp->Host_Control || |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4119 | ((put_off+1) == queue_len ? 0 : (put_off+1)) == get_off) { |
ravinandan.arakali@neterion.com | 776bd20 | 2005-09-06 21:36:56 -0700 | [diff] [blame] | 4120 | DBG_PRINT(TX_DBG, "Error in xmit, No free TXDs.\n"); |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 4121 | s2io_stop_tx_queue(sp, fifo->fifo_no); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4122 | dev_kfree_skb(skb); |
Surjit Reang | 2fda096 | 2008-01-24 02:08:59 -0800 | [diff] [blame] | 4123 | spin_unlock_irqrestore(&fifo->tx_lock, flags); |
Patrick McHardy | 6ed1065 | 2009-06-23 06:03:08 +0000 | [diff] [blame] | 4124 | return NETDEV_TX_OK; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4125 | } |
raghavendra.koushik@neterion.com | 0b1f7eb | 2005-08-03 12:39:56 -0700 | [diff] [blame] | 4126 | |
Ananda Raju | 75c30b1 | 2006-07-24 19:55:09 -0400 | [diff] [blame] | 4127 | offload_type = s2io_offload_type(skb); |
Ananda Raju | 75c30b1 | 2006-07-24 19:55:09 -0400 | [diff] [blame] | 4128 | if (offload_type & (SKB_GSO_TCPV4 | SKB_GSO_TCPV6)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4129 | txdp->Control_1 |= TXD_TCP_LSO_EN; |
Ananda Raju | 75c30b1 | 2006-07-24 19:55:09 -0400 | [diff] [blame] | 4130 | txdp->Control_1 |= TXD_TCP_LSO_MSS(s2io_tcp_mss(skb)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4131 | } |
Patrick McHardy | 84fa793 | 2006-08-29 16:44:56 -0700 | [diff] [blame] | 4132 | if (skb->ip_summed == CHECKSUM_PARTIAL) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4133 | txdp->Control_2 |= (TXD_TX_CKO_IPV4_EN | |
| 4134 | TXD_TX_CKO_TCP_EN | |
| 4135 | TXD_TX_CKO_UDP_EN); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4136 | } |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 4137 | txdp->Control_1 |= TXD_GATHER_CODE_FIRST; |
| 4138 | txdp->Control_1 |= TXD_LIST_OWN_XENA; |
Surjit Reang | 2fda096 | 2008-01-24 02:08:59 -0800 | [diff] [blame] | 4139 | txdp->Control_2 |= TXD_INT_NUMBER(fifo->fifo_no); |
Sreenivasa Honnur | 6cfc482 | 2008-02-20 17:07:51 -0500 | [diff] [blame] | 4140 | if (enable_per_list_interrupt) |
| 4141 | if (put_off & (queue_len >> 5)) |
| 4142 | txdp->Control_2 |= TXD_INT_TYPE_PER_LIST; |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 4143 | if (vlan_tag) { |
raghavendra.koushik@neterion.com | be3a6b0 | 2005-08-03 12:35:55 -0700 | [diff] [blame] | 4144 | txdp->Control_2 |= TXD_VLAN_ENABLE; |
| 4145 | txdp->Control_2 |= TXD_VLAN_TAG(vlan_tag); |
| 4146 | } |
| 4147 | |
Eric Dumazet | e743d31 | 2010-04-14 15:59:40 -0700 | [diff] [blame] | 4148 | frg_len = skb_headlen(skb); |
Ananda Raju | 75c30b1 | 2006-07-24 19:55:09 -0400 | [diff] [blame] | 4149 | if (offload_type == SKB_GSO_UDP) { |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 4150 | int ufo_size; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4151 | |
Ananda Raju | 75c30b1 | 2006-07-24 19:55:09 -0400 | [diff] [blame] | 4152 | ufo_size = s2io_udp_mss(skb); |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 4153 | ufo_size &= ~7; |
| 4154 | txdp->Control_1 |= TXD_UFO_EN; |
| 4155 | txdp->Control_1 |= TXD_UFO_MSS(ufo_size); |
| 4156 | txdp->Control_1 |= TXD_BUFFER0_SIZE(8); |
| 4157 | #ifdef __BIG_ENDIAN |
Al Viro | 3459feb | 2008-03-16 22:23:14 +0000 | [diff] [blame] | 4158 | /* both variants do cpu_to_be64(be32_to_cpu(...)) */ |
Surjit Reang | 2fda096 | 2008-01-24 02:08:59 -0800 | [diff] [blame] | 4159 | fifo->ufo_in_band_v[put_off] = |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4160 | (__force u64)skb_shinfo(skb)->ip6_frag_id; |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 4161 | #else |
Surjit Reang | 2fda096 | 2008-01-24 02:08:59 -0800 | [diff] [blame] | 4162 | fifo->ufo_in_band_v[put_off] = |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4163 | (__force u64)skb_shinfo(skb)->ip6_frag_id << 32; |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 4164 | #endif |
Surjit Reang | 2fda096 | 2008-01-24 02:08:59 -0800 | [diff] [blame] | 4165 | txdp->Host_Control = (unsigned long)fifo->ufo_in_band_v; |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 4166 | txdp->Buffer_Pointer = pci_map_single(sp->pdev, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4167 | fifo->ufo_in_band_v, |
| 4168 | sizeof(u64), |
| 4169 | PCI_DMA_TODEVICE); |
FUJITA Tomonori | 8d8bb39 | 2008-07-25 19:44:49 -0700 | [diff] [blame] | 4170 | if (pci_dma_mapping_error(sp->pdev, txdp->Buffer_Pointer)) |
Veena Parat | 491abf2 | 2007-07-23 02:37:14 -0400 | [diff] [blame] | 4171 | goto pci_map_failed; |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 4172 | txdp++; |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 4173 | } |
| 4174 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4175 | txdp->Buffer_Pointer = pci_map_single(sp->pdev, skb->data, |
| 4176 | frg_len, PCI_DMA_TODEVICE); |
FUJITA Tomonori | 8d8bb39 | 2008-07-25 19:44:49 -0700 | [diff] [blame] | 4177 | if (pci_dma_mapping_error(sp->pdev, txdp->Buffer_Pointer)) |
Veena Parat | 491abf2 | 2007-07-23 02:37:14 -0400 | [diff] [blame] | 4178 | goto pci_map_failed; |
| 4179 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4180 | txdp->Host_Control = (unsigned long)skb; |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 4181 | txdp->Control_1 |= TXD_BUFFER0_SIZE(frg_len); |
Ananda Raju | 75c30b1 | 2006-07-24 19:55:09 -0400 | [diff] [blame] | 4182 | if (offload_type == SKB_GSO_UDP) |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 4183 | txdp->Control_1 |= TXD_UFO_EN; |
| 4184 | |
| 4185 | frg_cnt = skb_shinfo(skb)->nr_frags; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4186 | /* For fragmented SKB. */ |
| 4187 | for (i = 0; i < frg_cnt; i++) { |
| 4188 | skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; |
raghavendra.koushik@neterion.com | 0b1f7eb | 2005-08-03 12:39:56 -0700 | [diff] [blame] | 4189 | /* A '0' length fragment will be ignored */ |
| 4190 | if (!frag->size) |
| 4191 | continue; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4192 | txdp++; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4193 | txdp->Buffer_Pointer = (u64)pci_map_page(sp->pdev, frag->page, |
| 4194 | frag->page_offset, |
| 4195 | frag->size, |
| 4196 | PCI_DMA_TODEVICE); |
Ananda Raju | efd51b5 | 2006-01-19 14:11:54 -0500 | [diff] [blame] | 4197 | txdp->Control_1 = TXD_BUFFER0_SIZE(frag->size); |
Ananda Raju | 75c30b1 | 2006-07-24 19:55:09 -0400 | [diff] [blame] | 4198 | if (offload_type == SKB_GSO_UDP) |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 4199 | txdp->Control_1 |= TXD_UFO_EN; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4200 | } |
| 4201 | txdp->Control_1 |= TXD_GATHER_CODE_LAST; |
| 4202 | |
Ananda Raju | 75c30b1 | 2006-07-24 19:55:09 -0400 | [diff] [blame] | 4203 | if (offload_type == SKB_GSO_UDP) |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 4204 | frg_cnt++; /* as Txd0 was used for inband header */ |
| 4205 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4206 | tx_fifo = mac_control->tx_FIFO_start[queue]; |
Surjit Reang | 2fda096 | 2008-01-24 02:08:59 -0800 | [diff] [blame] | 4207 | val64 = fifo->list_info[put_off].list_phy_addr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4208 | writeq(val64, &tx_fifo->TxDL_Pointer); |
| 4209 | |
| 4210 | val64 = (TX_FIFO_LAST_TXD_NUM(frg_cnt) | TX_FIFO_FIRST_LIST | |
| 4211 | TX_FIFO_LAST_LIST); |
Ananda Raju | 75c30b1 | 2006-07-24 19:55:09 -0400 | [diff] [blame] | 4212 | if (offload_type) |
| 4213 | val64 |= TX_FIFO_SPECIAL_FUNC; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 4214 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4215 | writeq(val64, &tx_fifo->List_Control); |
| 4216 | |
raghavendra.koushik@neterion.com | 303bcb4 | 2005-08-03 12:41:38 -0700 | [diff] [blame] | 4217 | mmiowb(); |
| 4218 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4219 | put_off++; |
Surjit Reang | 2fda096 | 2008-01-24 02:08:59 -0800 | [diff] [blame] | 4220 | if (put_off == fifo->tx_curr_put_info.fifo_len + 1) |
Ananda Raju | 863c11a | 2006-04-21 19:03:13 -0400 | [diff] [blame] | 4221 | put_off = 0; |
Surjit Reang | 2fda096 | 2008-01-24 02:08:59 -0800 | [diff] [blame] | 4222 | fifo->tx_curr_put_info.offset = put_off; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4223 | |
| 4224 | /* Avoid "put" pointer going beyond "get" pointer */ |
Ananda Raju | 863c11a | 2006-04-21 19:03:13 -0400 | [diff] [blame] | 4225 | if (((put_off+1) == queue_len ? 0 : (put_off+1)) == get_off) { |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 4226 | swstats->fifo_full_cnt++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4227 | DBG_PRINT(TX_DBG, |
| 4228 | "No free TxDs for xmit, Put: 0x%x Get:0x%x\n", |
| 4229 | put_off, get_off); |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 4230 | s2io_stop_tx_queue(sp, fifo->fifo_no); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4231 | } |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 4232 | swstats->mem_allocated += skb->truesize; |
Surjit Reang | 2fda096 | 2008-01-24 02:08:59 -0800 | [diff] [blame] | 4233 | spin_unlock_irqrestore(&fifo->tx_lock, flags); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4234 | |
Sreenivasa Honnur | f6f4bfa | 2008-03-25 15:11:56 -0400 | [diff] [blame] | 4235 | if (sp->config.intr_type == MSI_X) |
| 4236 | tx_intr_handler(fifo); |
| 4237 | |
Patrick McHardy | 6ed1065 | 2009-06-23 06:03:08 +0000 | [diff] [blame] | 4238 | return NETDEV_TX_OK; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 4239 | |
Veena Parat | 491abf2 | 2007-07-23 02:37:14 -0400 | [diff] [blame] | 4240 | pci_map_failed: |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 4241 | swstats->pci_map_fail_cnt++; |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 4242 | s2io_stop_tx_queue(sp, fifo->fifo_no); |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 4243 | swstats->mem_freed += skb->truesize; |
Veena Parat | 491abf2 | 2007-07-23 02:37:14 -0400 | [diff] [blame] | 4244 | dev_kfree_skb(skb); |
Surjit Reang | 2fda096 | 2008-01-24 02:08:59 -0800 | [diff] [blame] | 4245 | spin_unlock_irqrestore(&fifo->tx_lock, flags); |
Patrick McHardy | 6ed1065 | 2009-06-23 06:03:08 +0000 | [diff] [blame] | 4246 | return NETDEV_TX_OK; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4247 | } |
| 4248 | |
raghavendra.koushik@neterion.com | 25fff88 | 2005-08-03 12:34:11 -0700 | [diff] [blame] | 4249 | static void |
| 4250 | s2io_alarm_handle(unsigned long data) |
| 4251 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 4252 | struct s2io_nic *sp = (struct s2io_nic *)data; |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4253 | struct net_device *dev = sp->dev; |
raghavendra.koushik@neterion.com | 25fff88 | 2005-08-03 12:34:11 -0700 | [diff] [blame] | 4254 | |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4255 | s2io_handle_errors(dev); |
raghavendra.koushik@neterion.com | 25fff88 | 2005-08-03 12:34:11 -0700 | [diff] [blame] | 4256 | mod_timer(&sp->alarm_timer, jiffies + HZ / 2); |
| 4257 | } |
| 4258 | |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 4259 | static irqreturn_t s2io_msix_ring_handle(int irq, void *dev_id) |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 4260 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 4261 | struct ring_info *ring = (struct ring_info *)dev_id; |
| 4262 | struct s2io_nic *sp = ring->nic; |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 4263 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 4264 | |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 4265 | if (unlikely(!is_s2io_card_up(sp))) |
Sivakumar Subramani | 92b8443 | 2007-09-06 06:51:14 -0400 | [diff] [blame] | 4266 | return IRQ_HANDLED; |
Sivakumar Subramani | 92b8443 | 2007-09-06 06:51:14 -0400 | [diff] [blame] | 4267 | |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 4268 | if (sp->config.napi) { |
Al Viro | 1a79d1c | 2008-06-02 10:59:02 +0100 | [diff] [blame] | 4269 | u8 __iomem *addr = NULL; |
| 4270 | u8 val8 = 0; |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 4271 | |
Al Viro | 1a79d1c | 2008-06-02 10:59:02 +0100 | [diff] [blame] | 4272 | addr = (u8 __iomem *)&bar0->xmsi_mask_reg; |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 4273 | addr += (7 - ring->ring_no); |
| 4274 | val8 = (ring->ring_no == 0) ? 0x7f : 0xff; |
| 4275 | writeb(val8, addr); |
| 4276 | val8 = readb(addr); |
Ben Hutchings | 288379f | 2009-01-19 16:43:59 -0800 | [diff] [blame] | 4277 | napi_schedule(&ring->napi); |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 4278 | } else { |
| 4279 | rx_intr_handler(ring, 0); |
FUJITA Tomonori | 8d8bb39 | 2008-07-25 19:44:49 -0700 | [diff] [blame] | 4280 | s2io_chk_rx_buffers(sp, ring); |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 4281 | } |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 4282 | |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 4283 | return IRQ_HANDLED; |
| 4284 | } |
| 4285 | |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 4286 | static irqreturn_t s2io_msix_fifo_handle(int irq, void *dev_id) |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 4287 | { |
Sreenivasa Honnur | ac731ab | 2008-05-12 13:41:32 -0400 | [diff] [blame] | 4288 | int i; |
| 4289 | struct fifo_info *fifos = (struct fifo_info *)dev_id; |
| 4290 | struct s2io_nic *sp = fifos->nic; |
| 4291 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
| 4292 | struct config_param *config = &sp->config; |
| 4293 | u64 reason; |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 4294 | |
Sreenivasa Honnur | ac731ab | 2008-05-12 13:41:32 -0400 | [diff] [blame] | 4295 | if (unlikely(!is_s2io_card_up(sp))) |
| 4296 | return IRQ_NONE; |
| 4297 | |
| 4298 | reason = readq(&bar0->general_int_status); |
| 4299 | if (unlikely(reason == S2IO_MINUS_ONE)) |
| 4300 | /* Nothing much can be done. Get out */ |
Sivakumar Subramani | 92b8443 | 2007-09-06 06:51:14 -0400 | [diff] [blame] | 4301 | return IRQ_HANDLED; |
Sivakumar Subramani | 92b8443 | 2007-09-06 06:51:14 -0400 | [diff] [blame] | 4302 | |
Sreenivasa Honnur | 01e16fa | 2008-07-09 23:49:21 -0400 | [diff] [blame] | 4303 | if (reason & (GEN_INTR_TXPIC | GEN_INTR_TXTRAFFIC)) { |
| 4304 | writeq(S2IO_MINUS_ONE, &bar0->general_int_mask); |
Sreenivasa Honnur | ac731ab | 2008-05-12 13:41:32 -0400 | [diff] [blame] | 4305 | |
Sreenivasa Honnur | 01e16fa | 2008-07-09 23:49:21 -0400 | [diff] [blame] | 4306 | if (reason & GEN_INTR_TXPIC) |
| 4307 | s2io_txpic_intr_handle(sp); |
Sreenivasa Honnur | ac731ab | 2008-05-12 13:41:32 -0400 | [diff] [blame] | 4308 | |
Sreenivasa Honnur | 01e16fa | 2008-07-09 23:49:21 -0400 | [diff] [blame] | 4309 | if (reason & GEN_INTR_TXTRAFFIC) |
| 4310 | writeq(S2IO_MINUS_ONE, &bar0->tx_traffic_int); |
Sreenivasa Honnur | ac731ab | 2008-05-12 13:41:32 -0400 | [diff] [blame] | 4311 | |
Sreenivasa Honnur | 01e16fa | 2008-07-09 23:49:21 -0400 | [diff] [blame] | 4312 | for (i = 0; i < config->tx_fifo_num; i++) |
| 4313 | tx_intr_handler(&fifos[i]); |
Sreenivasa Honnur | ac731ab | 2008-05-12 13:41:32 -0400 | [diff] [blame] | 4314 | |
Sreenivasa Honnur | 01e16fa | 2008-07-09 23:49:21 -0400 | [diff] [blame] | 4315 | writeq(sp->general_int_mask, &bar0->general_int_mask); |
| 4316 | readl(&bar0->general_int_status); |
| 4317 | return IRQ_HANDLED; |
| 4318 | } |
| 4319 | /* The interrupt was not raised by us */ |
| 4320 | return IRQ_NONE; |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 4321 | } |
Sreenivasa Honnur | ac731ab | 2008-05-12 13:41:32 -0400 | [diff] [blame] | 4322 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 4323 | static void s2io_txpic_intr_handle(struct s2io_nic *sp) |
raghavendra.koushik@neterion.com | a371a07 | 2005-08-03 12:38:59 -0700 | [diff] [blame] | 4324 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 4325 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
raghavendra.koushik@neterion.com | a371a07 | 2005-08-03 12:38:59 -0700 | [diff] [blame] | 4326 | u64 val64; |
| 4327 | |
| 4328 | val64 = readq(&bar0->pic_int_status); |
| 4329 | if (val64 & PIC_INT_GPIO) { |
| 4330 | val64 = readq(&bar0->gpio_int_reg); |
| 4331 | if ((val64 & GPIO_INT_REG_LINK_DOWN) && |
| 4332 | (val64 & GPIO_INT_REG_LINK_UP)) { |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 4333 | /* |
| 4334 | * This is unstable state so clear both up/down |
| 4335 | * interrupt and adapter to re-evaluate the link state. |
| 4336 | */ |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4337 | val64 |= GPIO_INT_REG_LINK_DOWN; |
raghavendra.koushik@neterion.com | a371a07 | 2005-08-03 12:38:59 -0700 | [diff] [blame] | 4338 | val64 |= GPIO_INT_REG_LINK_UP; |
| 4339 | writeq(val64, &bar0->gpio_int_reg); |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 4340 | val64 = readq(&bar0->gpio_int_mask); |
| 4341 | val64 &= ~(GPIO_INT_MASK_LINK_UP | |
| 4342 | GPIO_INT_MASK_LINK_DOWN); |
| 4343 | writeq(val64, &bar0->gpio_int_mask); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4344 | } else if (val64 & GPIO_INT_REG_LINK_UP) { |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 4345 | val64 = readq(&bar0->adapter_status); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4346 | /* Enable Adapter */ |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 4347 | val64 = readq(&bar0->adapter_control); |
| 4348 | val64 |= ADAPTER_CNTL_EN; |
| 4349 | writeq(val64, &bar0->adapter_control); |
| 4350 | val64 |= ADAPTER_LED_ON; |
| 4351 | writeq(val64, &bar0->adapter_control); |
| 4352 | if (!sp->device_enabled_once) |
| 4353 | sp->device_enabled_once = 1; |
raghavendra.koushik@neterion.com | a371a07 | 2005-08-03 12:38:59 -0700 | [diff] [blame] | 4354 | |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 4355 | s2io_link(sp, LINK_UP); |
| 4356 | /* |
| 4357 | * unmask link down interrupt and mask link-up |
| 4358 | * intr |
| 4359 | */ |
| 4360 | val64 = readq(&bar0->gpio_int_mask); |
| 4361 | val64 &= ~GPIO_INT_MASK_LINK_DOWN; |
| 4362 | val64 |= GPIO_INT_MASK_LINK_UP; |
| 4363 | writeq(val64, &bar0->gpio_int_mask); |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 4364 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4365 | } else if (val64 & GPIO_INT_REG_LINK_DOWN) { |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 4366 | val64 = readq(&bar0->adapter_status); |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 4367 | s2io_link(sp, LINK_DOWN); |
| 4368 | /* Link is down so unmaks link up interrupt */ |
| 4369 | val64 = readq(&bar0->gpio_int_mask); |
| 4370 | val64 &= ~GPIO_INT_MASK_LINK_UP; |
| 4371 | val64 |= GPIO_INT_MASK_LINK_DOWN; |
| 4372 | writeq(val64, &bar0->gpio_int_mask); |
Sivakumar Subramani | ac1f90d | 2007-02-24 02:01:31 -0500 | [diff] [blame] | 4373 | |
| 4374 | /* turn off LED */ |
| 4375 | val64 = readq(&bar0->adapter_control); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4376 | val64 = val64 & (~ADAPTER_LED_ON); |
Sivakumar Subramani | ac1f90d | 2007-02-24 02:01:31 -0500 | [diff] [blame] | 4377 | writeq(val64, &bar0->adapter_control); |
raghavendra.koushik@neterion.com | a371a07 | 2005-08-03 12:38:59 -0700 | [diff] [blame] | 4378 | } |
| 4379 | } |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 4380 | val64 = readq(&bar0->gpio_int_mask); |
raghavendra.koushik@neterion.com | a371a07 | 2005-08-03 12:38:59 -0700 | [diff] [blame] | 4381 | } |
| 4382 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4383 | /** |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4384 | * do_s2io_chk_alarm_bit - Check for alarm and incrment the counter |
| 4385 | * @value: alarm bits |
| 4386 | * @addr: address value |
| 4387 | * @cnt: counter variable |
| 4388 | * Description: Check for alarm and increment the counter |
| 4389 | * Return Value: |
| 4390 | * 1 - if alarm bit set |
| 4391 | * 0 - if alarm bit is not set |
| 4392 | */ |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4393 | static int do_s2io_chk_alarm_bit(u64 value, void __iomem *addr, |
| 4394 | unsigned long long *cnt) |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4395 | { |
| 4396 | u64 val64; |
| 4397 | val64 = readq(addr); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4398 | if (val64 & value) { |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4399 | writeq(val64, addr); |
| 4400 | (*cnt)++; |
| 4401 | return 1; |
| 4402 | } |
| 4403 | return 0; |
| 4404 | |
| 4405 | } |
| 4406 | |
| 4407 | /** |
| 4408 | * s2io_handle_errors - Xframe error indication handler |
| 4409 | * @nic: device private variable |
| 4410 | * Description: Handle alarms such as loss of link, single or |
| 4411 | * double ECC errors, critical and serious errors. |
| 4412 | * Return Value: |
| 4413 | * NONE |
| 4414 | */ |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4415 | static void s2io_handle_errors(void *dev_id) |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4416 | { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4417 | struct net_device *dev = (struct net_device *)dev_id; |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 4418 | struct s2io_nic *sp = netdev_priv(dev); |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4419 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4420 | u64 temp64 = 0, val64 = 0; |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4421 | int i = 0; |
| 4422 | |
| 4423 | struct swStat *sw_stat = &sp->mac_control.stats_info->sw_stat; |
| 4424 | struct xpakStat *stats = &sp->mac_control.stats_info->xpak_stat; |
| 4425 | |
Sivakumar Subramani | 92b8443 | 2007-09-06 06:51:14 -0400 | [diff] [blame] | 4426 | if (!is_s2io_card_up(sp)) |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4427 | return; |
| 4428 | |
| 4429 | if (pci_channel_offline(sp->pdev)) |
| 4430 | return; |
| 4431 | |
| 4432 | memset(&sw_stat->ring_full_cnt, 0, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4433 | sizeof(sw_stat->ring_full_cnt)); |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4434 | |
| 4435 | /* Handling the XPAK counters update */ |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4436 | if (stats->xpak_timer_count < 72000) { |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4437 | /* waiting for an hour */ |
| 4438 | stats->xpak_timer_count++; |
| 4439 | } else { |
| 4440 | s2io_updt_xpak_counter(dev); |
| 4441 | /* reset the count to zero */ |
| 4442 | stats->xpak_timer_count = 0; |
| 4443 | } |
| 4444 | |
| 4445 | /* Handling link status change error Intr */ |
| 4446 | if (s2io_link_fault_indication(sp) == MAC_RMAC_ERR_TIMER) { |
| 4447 | val64 = readq(&bar0->mac_rmac_err_reg); |
| 4448 | writeq(val64, &bar0->mac_rmac_err_reg); |
| 4449 | if (val64 & RMAC_LINK_STATE_CHANGE_INT) |
| 4450 | schedule_work(&sp->set_link_task); |
| 4451 | } |
| 4452 | |
| 4453 | /* In case of a serious error, the device will be Reset. */ |
| 4454 | if (do_s2io_chk_alarm_bit(SERR_SOURCE_ANY, &bar0->serr_source, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4455 | &sw_stat->serious_err_cnt)) |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4456 | goto reset; |
| 4457 | |
| 4458 | /* Check for data parity error */ |
| 4459 | if (do_s2io_chk_alarm_bit(GPIO_INT_REG_DP_ERR_INT, &bar0->gpio_int_reg, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4460 | &sw_stat->parity_err_cnt)) |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4461 | goto reset; |
| 4462 | |
| 4463 | /* Check for ring full counter */ |
| 4464 | if (sp->device_type == XFRAME_II_DEVICE) { |
| 4465 | val64 = readq(&bar0->ring_bump_counter1); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4466 | for (i = 0; i < 4; i++) { |
| 4467 | temp64 = (val64 & vBIT(0xFFFF, (i*16), 16)); |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4468 | temp64 >>= 64 - ((i+1)*16); |
| 4469 | sw_stat->ring_full_cnt[i] += temp64; |
| 4470 | } |
| 4471 | |
| 4472 | val64 = readq(&bar0->ring_bump_counter2); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4473 | for (i = 0; i < 4; i++) { |
| 4474 | temp64 = (val64 & vBIT(0xFFFF, (i*16), 16)); |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4475 | temp64 >>= 64 - ((i+1)*16); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4476 | sw_stat->ring_full_cnt[i+4] += temp64; |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4477 | } |
| 4478 | } |
| 4479 | |
| 4480 | val64 = readq(&bar0->txdma_int_status); |
| 4481 | /*check for pfc_err*/ |
| 4482 | if (val64 & TXDMA_PFC_INT) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4483 | if (do_s2io_chk_alarm_bit(PFC_ECC_DB_ERR | PFC_SM_ERR_ALARM | |
| 4484 | PFC_MISC_0_ERR | PFC_MISC_1_ERR | |
| 4485 | PFC_PCIX_ERR, |
| 4486 | &bar0->pfc_err_reg, |
| 4487 | &sw_stat->pfc_err_cnt)) |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4488 | goto reset; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4489 | do_s2io_chk_alarm_bit(PFC_ECC_SG_ERR, |
| 4490 | &bar0->pfc_err_reg, |
| 4491 | &sw_stat->pfc_err_cnt); |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4492 | } |
| 4493 | |
| 4494 | /*check for tda_err*/ |
| 4495 | if (val64 & TXDMA_TDA_INT) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4496 | if (do_s2io_chk_alarm_bit(TDA_Fn_ECC_DB_ERR | |
| 4497 | TDA_SM0_ERR_ALARM | |
| 4498 | TDA_SM1_ERR_ALARM, |
| 4499 | &bar0->tda_err_reg, |
| 4500 | &sw_stat->tda_err_cnt)) |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4501 | goto reset; |
| 4502 | do_s2io_chk_alarm_bit(TDA_Fn_ECC_SG_ERR | TDA_PCIX_ERR, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4503 | &bar0->tda_err_reg, |
| 4504 | &sw_stat->tda_err_cnt); |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4505 | } |
| 4506 | /*check for pcc_err*/ |
| 4507 | if (val64 & TXDMA_PCC_INT) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4508 | if (do_s2io_chk_alarm_bit(PCC_SM_ERR_ALARM | PCC_WR_ERR_ALARM | |
| 4509 | PCC_N_SERR | PCC_6_COF_OV_ERR | |
| 4510 | PCC_7_COF_OV_ERR | PCC_6_LSO_OV_ERR | |
| 4511 | PCC_7_LSO_OV_ERR | PCC_FB_ECC_DB_ERR | |
| 4512 | PCC_TXB_ECC_DB_ERR, |
| 4513 | &bar0->pcc_err_reg, |
| 4514 | &sw_stat->pcc_err_cnt)) |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4515 | goto reset; |
| 4516 | do_s2io_chk_alarm_bit(PCC_FB_ECC_SG_ERR | PCC_TXB_ECC_SG_ERR, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4517 | &bar0->pcc_err_reg, |
| 4518 | &sw_stat->pcc_err_cnt); |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4519 | } |
| 4520 | |
| 4521 | /*check for tti_err*/ |
| 4522 | if (val64 & TXDMA_TTI_INT) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4523 | if (do_s2io_chk_alarm_bit(TTI_SM_ERR_ALARM, |
| 4524 | &bar0->tti_err_reg, |
| 4525 | &sw_stat->tti_err_cnt)) |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4526 | goto reset; |
| 4527 | do_s2io_chk_alarm_bit(TTI_ECC_SG_ERR | TTI_ECC_DB_ERR, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4528 | &bar0->tti_err_reg, |
| 4529 | &sw_stat->tti_err_cnt); |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4530 | } |
| 4531 | |
| 4532 | /*check for lso_err*/ |
| 4533 | if (val64 & TXDMA_LSO_INT) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4534 | if (do_s2io_chk_alarm_bit(LSO6_ABORT | LSO7_ABORT | |
| 4535 | LSO6_SM_ERR_ALARM | LSO7_SM_ERR_ALARM, |
| 4536 | &bar0->lso_err_reg, |
| 4537 | &sw_stat->lso_err_cnt)) |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4538 | goto reset; |
| 4539 | do_s2io_chk_alarm_bit(LSO6_SEND_OFLOW | LSO7_SEND_OFLOW, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4540 | &bar0->lso_err_reg, |
| 4541 | &sw_stat->lso_err_cnt); |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4542 | } |
| 4543 | |
| 4544 | /*check for tpa_err*/ |
| 4545 | if (val64 & TXDMA_TPA_INT) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4546 | if (do_s2io_chk_alarm_bit(TPA_SM_ERR_ALARM, |
| 4547 | &bar0->tpa_err_reg, |
| 4548 | &sw_stat->tpa_err_cnt)) |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4549 | goto reset; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4550 | do_s2io_chk_alarm_bit(TPA_TX_FRM_DROP, |
| 4551 | &bar0->tpa_err_reg, |
| 4552 | &sw_stat->tpa_err_cnt); |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4553 | } |
| 4554 | |
| 4555 | /*check for sm_err*/ |
| 4556 | if (val64 & TXDMA_SM_INT) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4557 | if (do_s2io_chk_alarm_bit(SM_SM_ERR_ALARM, |
| 4558 | &bar0->sm_err_reg, |
| 4559 | &sw_stat->sm_err_cnt)) |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4560 | goto reset; |
| 4561 | } |
| 4562 | |
| 4563 | val64 = readq(&bar0->mac_int_status); |
| 4564 | if (val64 & MAC_INT_STATUS_TMAC_INT) { |
| 4565 | if (do_s2io_chk_alarm_bit(TMAC_TX_BUF_OVRN | TMAC_TX_SM_ERR, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4566 | &bar0->mac_tmac_err_reg, |
| 4567 | &sw_stat->mac_tmac_err_cnt)) |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4568 | goto reset; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4569 | do_s2io_chk_alarm_bit(TMAC_ECC_SG_ERR | TMAC_ECC_DB_ERR | |
| 4570 | TMAC_DESC_ECC_SG_ERR | |
| 4571 | TMAC_DESC_ECC_DB_ERR, |
| 4572 | &bar0->mac_tmac_err_reg, |
| 4573 | &sw_stat->mac_tmac_err_cnt); |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4574 | } |
| 4575 | |
| 4576 | val64 = readq(&bar0->xgxs_int_status); |
| 4577 | if (val64 & XGXS_INT_STATUS_TXGXS) { |
| 4578 | if (do_s2io_chk_alarm_bit(TXGXS_ESTORE_UFLOW | TXGXS_TX_SM_ERR, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4579 | &bar0->xgxs_txgxs_err_reg, |
| 4580 | &sw_stat->xgxs_txgxs_err_cnt)) |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4581 | goto reset; |
| 4582 | do_s2io_chk_alarm_bit(TXGXS_ECC_SG_ERR | TXGXS_ECC_DB_ERR, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4583 | &bar0->xgxs_txgxs_err_reg, |
| 4584 | &sw_stat->xgxs_txgxs_err_cnt); |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4585 | } |
| 4586 | |
| 4587 | val64 = readq(&bar0->rxdma_int_status); |
| 4588 | if (val64 & RXDMA_INT_RC_INT_M) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4589 | if (do_s2io_chk_alarm_bit(RC_PRCn_ECC_DB_ERR | |
| 4590 | RC_FTC_ECC_DB_ERR | |
| 4591 | RC_PRCn_SM_ERR_ALARM | |
| 4592 | RC_FTC_SM_ERR_ALARM, |
| 4593 | &bar0->rc_err_reg, |
| 4594 | &sw_stat->rc_err_cnt)) |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4595 | goto reset; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4596 | do_s2io_chk_alarm_bit(RC_PRCn_ECC_SG_ERR | |
| 4597 | RC_FTC_ECC_SG_ERR | |
| 4598 | RC_RDA_FAIL_WR_Rn, &bar0->rc_err_reg, |
| 4599 | &sw_stat->rc_err_cnt); |
| 4600 | if (do_s2io_chk_alarm_bit(PRC_PCI_AB_RD_Rn | |
| 4601 | PRC_PCI_AB_WR_Rn | |
| 4602 | PRC_PCI_AB_F_WR_Rn, |
| 4603 | &bar0->prc_pcix_err_reg, |
| 4604 | &sw_stat->prc_pcix_err_cnt)) |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4605 | goto reset; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4606 | do_s2io_chk_alarm_bit(PRC_PCI_DP_RD_Rn | |
| 4607 | PRC_PCI_DP_WR_Rn | |
| 4608 | PRC_PCI_DP_F_WR_Rn, |
| 4609 | &bar0->prc_pcix_err_reg, |
| 4610 | &sw_stat->prc_pcix_err_cnt); |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4611 | } |
| 4612 | |
| 4613 | if (val64 & RXDMA_INT_RPA_INT_M) { |
| 4614 | if (do_s2io_chk_alarm_bit(RPA_SM_ERR_ALARM | RPA_CREDIT_ERR, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4615 | &bar0->rpa_err_reg, |
| 4616 | &sw_stat->rpa_err_cnt)) |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4617 | goto reset; |
| 4618 | do_s2io_chk_alarm_bit(RPA_ECC_SG_ERR | RPA_ECC_DB_ERR, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4619 | &bar0->rpa_err_reg, |
| 4620 | &sw_stat->rpa_err_cnt); |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4621 | } |
| 4622 | |
| 4623 | if (val64 & RXDMA_INT_RDA_INT_M) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4624 | if (do_s2io_chk_alarm_bit(RDA_RXDn_ECC_DB_ERR | |
| 4625 | RDA_FRM_ECC_DB_N_AERR | |
| 4626 | RDA_SM1_ERR_ALARM | |
| 4627 | RDA_SM0_ERR_ALARM | |
| 4628 | RDA_RXD_ECC_DB_SERR, |
| 4629 | &bar0->rda_err_reg, |
| 4630 | &sw_stat->rda_err_cnt)) |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4631 | goto reset; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4632 | do_s2io_chk_alarm_bit(RDA_RXDn_ECC_SG_ERR | |
| 4633 | RDA_FRM_ECC_SG_ERR | |
| 4634 | RDA_MISC_ERR | |
| 4635 | RDA_PCIX_ERR, |
| 4636 | &bar0->rda_err_reg, |
| 4637 | &sw_stat->rda_err_cnt); |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4638 | } |
| 4639 | |
| 4640 | if (val64 & RXDMA_INT_RTI_INT_M) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4641 | if (do_s2io_chk_alarm_bit(RTI_SM_ERR_ALARM, |
| 4642 | &bar0->rti_err_reg, |
| 4643 | &sw_stat->rti_err_cnt)) |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4644 | goto reset; |
| 4645 | do_s2io_chk_alarm_bit(RTI_ECC_SG_ERR | RTI_ECC_DB_ERR, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4646 | &bar0->rti_err_reg, |
| 4647 | &sw_stat->rti_err_cnt); |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4648 | } |
| 4649 | |
| 4650 | val64 = readq(&bar0->mac_int_status); |
| 4651 | if (val64 & MAC_INT_STATUS_RMAC_INT) { |
| 4652 | if (do_s2io_chk_alarm_bit(RMAC_RX_BUFF_OVRN | RMAC_RX_SM_ERR, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4653 | &bar0->mac_rmac_err_reg, |
| 4654 | &sw_stat->mac_rmac_err_cnt)) |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4655 | goto reset; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4656 | do_s2io_chk_alarm_bit(RMAC_UNUSED_INT | |
| 4657 | RMAC_SINGLE_ECC_ERR | |
| 4658 | RMAC_DOUBLE_ECC_ERR, |
| 4659 | &bar0->mac_rmac_err_reg, |
| 4660 | &sw_stat->mac_rmac_err_cnt); |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4661 | } |
| 4662 | |
| 4663 | val64 = readq(&bar0->xgxs_int_status); |
| 4664 | if (val64 & XGXS_INT_STATUS_RXGXS) { |
| 4665 | if (do_s2io_chk_alarm_bit(RXGXS_ESTORE_OFLOW | RXGXS_RX_SM_ERR, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4666 | &bar0->xgxs_rxgxs_err_reg, |
| 4667 | &sw_stat->xgxs_rxgxs_err_cnt)) |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4668 | goto reset; |
| 4669 | } |
| 4670 | |
| 4671 | val64 = readq(&bar0->mc_int_status); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4672 | if (val64 & MC_INT_STATUS_MC_INT) { |
| 4673 | if (do_s2io_chk_alarm_bit(MC_ERR_REG_SM_ERR, |
| 4674 | &bar0->mc_err_reg, |
| 4675 | &sw_stat->mc_err_cnt)) |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4676 | goto reset; |
| 4677 | |
| 4678 | /* Handling Ecc errors */ |
| 4679 | if (val64 & (MC_ERR_REG_ECC_ALL_SNG | MC_ERR_REG_ECC_ALL_DBL)) { |
| 4680 | writeq(val64, &bar0->mc_err_reg); |
| 4681 | if (val64 & MC_ERR_REG_ECC_ALL_DBL) { |
| 4682 | sw_stat->double_ecc_errs++; |
| 4683 | if (sp->device_type != XFRAME_II_DEVICE) { |
| 4684 | /* |
| 4685 | * Reset XframeI only if critical error |
| 4686 | */ |
| 4687 | if (val64 & |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4688 | (MC_ERR_REG_MIRI_ECC_DB_ERR_0 | |
| 4689 | MC_ERR_REG_MIRI_ECC_DB_ERR_1)) |
| 4690 | goto reset; |
| 4691 | } |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4692 | } else |
| 4693 | sw_stat->single_ecc_errs++; |
| 4694 | } |
| 4695 | } |
| 4696 | return; |
| 4697 | |
| 4698 | reset: |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 4699 | s2io_stop_all_tx_queue(sp); |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4700 | schedule_work(&sp->rst_timer_task); |
| 4701 | sw_stat->soft_reset_cnt++; |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 4702 | } |
| 4703 | |
| 4704 | /** |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4705 | * s2io_isr - ISR handler of the device . |
| 4706 | * @irq: the irq of the device. |
| 4707 | * @dev_id: a void pointer to the dev structure of the NIC. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 4708 | * Description: This function is the ISR handler of the device. It |
| 4709 | * identifies the reason for the interrupt and calls the relevant |
| 4710 | * service routines. As a contongency measure, this ISR allocates the |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4711 | * recv buffers, if their numbers are below the panic value which is |
| 4712 | * presently set to 25% of the original number of rcv buffers allocated. |
| 4713 | * Return value: |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 4714 | * IRQ_HANDLED: will be returned if IRQ was handled by this routine |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4715 | * IRQ_NONE: will be returned if interrupt is not from our device |
| 4716 | */ |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 4717 | static irqreturn_t s2io_isr(int irq, void *dev_id) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4718 | { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4719 | struct net_device *dev = (struct net_device *)dev_id; |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 4720 | struct s2io_nic *sp = netdev_priv(dev); |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 4721 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 4722 | int i; |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 4723 | u64 reason = 0; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 4724 | struct mac_info *mac_control; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4725 | struct config_param *config; |
| 4726 | |
Linas Vepstas | d796fdb | 2007-05-14 18:37:30 -0500 | [diff] [blame] | 4727 | /* Pretend we handled any irq's from a disconnected card */ |
| 4728 | if (pci_channel_offline(sp->pdev)) |
| 4729 | return IRQ_NONE; |
| 4730 | |
Sivakumar Subramani | 596c5c9 | 2007-09-15 14:24:03 -0700 | [diff] [blame] | 4731 | if (!is_s2io_card_up(sp)) |
Sivakumar Subramani | 92b8443 | 2007-09-06 06:51:14 -0400 | [diff] [blame] | 4732 | return IRQ_NONE; |
Sivakumar Subramani | 92b8443 | 2007-09-06 06:51:14 -0400 | [diff] [blame] | 4733 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4734 | config = &sp->config; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 4735 | mac_control = &sp->mac_control; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4736 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 4737 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4738 | * Identify the cause for interrupt and call the appropriate |
| 4739 | * interrupt handler. Causes for the interrupt could be; |
| 4740 | * 1. Rx of packet. |
| 4741 | * 2. Tx complete. |
| 4742 | * 3. Link down. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4743 | */ |
| 4744 | reason = readq(&bar0->general_int_status); |
| 4745 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4746 | if (unlikely(reason == S2IO_MINUS_ONE)) |
| 4747 | return IRQ_HANDLED; /* Nothing much can be done. Get out */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4748 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4749 | if (reason & |
| 4750 | (GEN_INTR_RXTRAFFIC | GEN_INTR_TXTRAFFIC | GEN_INTR_TXPIC)) { |
Sivakumar Subramani | 596c5c9 | 2007-09-15 14:24:03 -0700 | [diff] [blame] | 4751 | writeq(S2IO_MINUS_ONE, &bar0->general_int_mask); |
| 4752 | |
| 4753 | if (config->napi) { |
| 4754 | if (reason & GEN_INTR_RXTRAFFIC) { |
Ben Hutchings | 288379f | 2009-01-19 16:43:59 -0800 | [diff] [blame] | 4755 | napi_schedule(&sp->napi); |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 4756 | writeq(S2IO_MINUS_ONE, &bar0->rx_traffic_mask); |
| 4757 | writeq(S2IO_MINUS_ONE, &bar0->rx_traffic_int); |
| 4758 | readl(&bar0->rx_traffic_int); |
Sivakumar Subramani | db874e6 | 2007-01-31 13:28:08 -0500 | [diff] [blame] | 4759 | } |
Sivakumar Subramani | 596c5c9 | 2007-09-15 14:24:03 -0700 | [diff] [blame] | 4760 | } else { |
| 4761 | /* |
| 4762 | * rx_traffic_int reg is an R1 register, writing all 1's |
| 4763 | * will ensure that the actual interrupt causing bit |
| 4764 | * get's cleared and hence a read can be avoided. |
| 4765 | */ |
| 4766 | if (reason & GEN_INTR_RXTRAFFIC) |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 4767 | writeq(S2IO_MINUS_ONE, &bar0->rx_traffic_int); |
Sivakumar Subramani | 596c5c9 | 2007-09-15 14:24:03 -0700 | [diff] [blame] | 4768 | |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 4769 | for (i = 0; i < config->rx_ring_num; i++) { |
| 4770 | struct ring_info *ring = &mac_control->rings[i]; |
| 4771 | |
| 4772 | rx_intr_handler(ring, 0); |
| 4773 | } |
Sivakumar Subramani | db874e6 | 2007-01-31 13:28:08 -0500 | [diff] [blame] | 4774 | } |
Sivakumar Subramani | 596c5c9 | 2007-09-15 14:24:03 -0700 | [diff] [blame] | 4775 | |
Sivakumar Subramani | db874e6 | 2007-01-31 13:28:08 -0500 | [diff] [blame] | 4776 | /* |
Sivakumar Subramani | 596c5c9 | 2007-09-15 14:24:03 -0700 | [diff] [blame] | 4777 | * tx_traffic_int reg is an R1 register, writing all 1's |
Sivakumar Subramani | db874e6 | 2007-01-31 13:28:08 -0500 | [diff] [blame] | 4778 | * will ensure that the actual interrupt causing bit get's |
| 4779 | * cleared and hence a read can be avoided. |
| 4780 | */ |
Sivakumar Subramani | 596c5c9 | 2007-09-15 14:24:03 -0700 | [diff] [blame] | 4781 | if (reason & GEN_INTR_TXTRAFFIC) |
| 4782 | writeq(S2IO_MINUS_ONE, &bar0->tx_traffic_int); |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 4783 | |
Sivakumar Subramani | 596c5c9 | 2007-09-15 14:24:03 -0700 | [diff] [blame] | 4784 | for (i = 0; i < config->tx_fifo_num; i++) |
| 4785 | tx_intr_handler(&mac_control->fifos[i]); |
| 4786 | |
| 4787 | if (reason & GEN_INTR_TXPIC) |
| 4788 | s2io_txpic_intr_handle(sp); |
| 4789 | |
| 4790 | /* |
| 4791 | * Reallocate the buffers from the interrupt handler itself. |
| 4792 | */ |
| 4793 | if (!config->napi) { |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 4794 | for (i = 0; i < config->rx_ring_num; i++) { |
| 4795 | struct ring_info *ring = &mac_control->rings[i]; |
| 4796 | |
| 4797 | s2io_chk_rx_buffers(sp, ring); |
| 4798 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4799 | } |
Sivakumar Subramani | 596c5c9 | 2007-09-15 14:24:03 -0700 | [diff] [blame] | 4800 | writeq(sp->general_int_mask, &bar0->general_int_mask); |
| 4801 | readl(&bar0->general_int_status); |
| 4802 | |
| 4803 | return IRQ_HANDLED; |
| 4804 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4805 | } else if (!reason) { |
Sivakumar Subramani | 596c5c9 | 2007-09-15 14:24:03 -0700 | [diff] [blame] | 4806 | /* The interrupt was not raised by us */ |
| 4807 | return IRQ_NONE; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4808 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4809 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4810 | return IRQ_HANDLED; |
| 4811 | } |
| 4812 | |
| 4813 | /** |
raghavendra.koushik@neterion.com | 7ba013a | 2005-08-03 12:29:20 -0700 | [diff] [blame] | 4814 | * s2io_updt_stats - |
| 4815 | */ |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 4816 | static void s2io_updt_stats(struct s2io_nic *sp) |
raghavendra.koushik@neterion.com | 7ba013a | 2005-08-03 12:29:20 -0700 | [diff] [blame] | 4817 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 4818 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
raghavendra.koushik@neterion.com | 7ba013a | 2005-08-03 12:29:20 -0700 | [diff] [blame] | 4819 | u64 val64; |
| 4820 | int cnt = 0; |
| 4821 | |
Sivakumar Subramani | 92b8443 | 2007-09-06 06:51:14 -0400 | [diff] [blame] | 4822 | if (is_s2io_card_up(sp)) { |
raghavendra.koushik@neterion.com | 7ba013a | 2005-08-03 12:29:20 -0700 | [diff] [blame] | 4823 | /* Apprx 30us on a 133 MHz bus */ |
| 4824 | val64 = SET_UPDT_CLICKS(10) | |
| 4825 | STAT_CFG_ONE_SHOT_EN | STAT_CFG_STAT_EN; |
| 4826 | writeq(val64, &bar0->stat_cfg); |
| 4827 | do { |
| 4828 | udelay(100); |
| 4829 | val64 = readq(&bar0->stat_cfg); |
Jiri Slaby | b7b5a12 | 2007-10-18 23:40:29 -0700 | [diff] [blame] | 4830 | if (!(val64 & s2BIT(0))) |
raghavendra.koushik@neterion.com | 7ba013a | 2005-08-03 12:29:20 -0700 | [diff] [blame] | 4831 | break; |
| 4832 | cnt++; |
| 4833 | if (cnt == 5) |
| 4834 | break; /* Updt failed */ |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4835 | } while (1); |
Sivakumar Subramani | 8a4bdba | 2007-09-18 18:14:20 -0400 | [diff] [blame] | 4836 | } |
raghavendra.koushik@neterion.com | 7ba013a | 2005-08-03 12:29:20 -0700 | [diff] [blame] | 4837 | } |
| 4838 | |
| 4839 | /** |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 4840 | * s2io_get_stats - Updates the device statistics structure. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4841 | * @dev : pointer to the device structure. |
| 4842 | * Description: |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 4843 | * This function updates the device statistics structure in the s2io_nic |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4844 | * structure and returns a pointer to the same. |
| 4845 | * Return value: |
| 4846 | * pointer to the updated net_device_stats structure. |
| 4847 | */ |
Adrian Bunk | ac1f60db | 2005-11-06 01:46:47 +0100 | [diff] [blame] | 4848 | static struct net_device_stats *s2io_get_stats(struct net_device *dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4849 | { |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 4850 | struct s2io_nic *sp = netdev_priv(dev); |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 4851 | struct mac_info *mac_control = &sp->mac_control; |
| 4852 | struct stat_block *stats = mac_control->stats_info; |
Jon Mason | 4a49043 | 2010-07-02 09:13:49 +0000 | [diff] [blame] | 4853 | u64 delta; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4854 | |
raghavendra.koushik@neterion.com | 7ba013a | 2005-08-03 12:29:20 -0700 | [diff] [blame] | 4855 | /* Configure Stats for immediate updt */ |
| 4856 | s2io_updt_stats(sp); |
| 4857 | |
Jon Mason | 4a49043 | 2010-07-02 09:13:49 +0000 | [diff] [blame] | 4858 | /* A device reset will cause the on-adapter statistics to be zero'ed. |
| 4859 | * This can be done while running by changing the MTU. To prevent the |
| 4860 | * system from having the stats zero'ed, the driver keeps a copy of the |
| 4861 | * last update to the system (which is also zero'ed on reset). This |
| 4862 | * enables the driver to accurately know the delta between the last |
| 4863 | * update and the current update. |
| 4864 | */ |
| 4865 | delta = ((u64) le32_to_cpu(stats->rmac_vld_frms_oflow) << 32 | |
| 4866 | le32_to_cpu(stats->rmac_vld_frms)) - sp->stats.rx_packets; |
| 4867 | sp->stats.rx_packets += delta; |
| 4868 | dev->stats.rx_packets += delta; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 4869 | |
Jon Mason | 4a49043 | 2010-07-02 09:13:49 +0000 | [diff] [blame] | 4870 | delta = ((u64) le32_to_cpu(stats->tmac_frms_oflow) << 32 | |
| 4871 | le32_to_cpu(stats->tmac_frms)) - sp->stats.tx_packets; |
| 4872 | sp->stats.tx_packets += delta; |
| 4873 | dev->stats.tx_packets += delta; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 4874 | |
Jon Mason | 4a49043 | 2010-07-02 09:13:49 +0000 | [diff] [blame] | 4875 | delta = ((u64) le32_to_cpu(stats->rmac_data_octets_oflow) << 32 | |
| 4876 | le32_to_cpu(stats->rmac_data_octets)) - sp->stats.rx_bytes; |
| 4877 | sp->stats.rx_bytes += delta; |
| 4878 | dev->stats.rx_bytes += delta; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 4879 | |
Jon Mason | 4a49043 | 2010-07-02 09:13:49 +0000 | [diff] [blame] | 4880 | delta = ((u64) le32_to_cpu(stats->tmac_data_octets_oflow) << 32 | |
| 4881 | le32_to_cpu(stats->tmac_data_octets)) - sp->stats.tx_bytes; |
| 4882 | sp->stats.tx_bytes += delta; |
| 4883 | dev->stats.tx_bytes += delta; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 4884 | |
Jon Mason | 4a49043 | 2010-07-02 09:13:49 +0000 | [diff] [blame] | 4885 | delta = le64_to_cpu(stats->rmac_drop_frms) - sp->stats.rx_errors; |
| 4886 | sp->stats.rx_errors += delta; |
| 4887 | dev->stats.rx_errors += delta; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4888 | |
Jon Mason | 4a49043 | 2010-07-02 09:13:49 +0000 | [diff] [blame] | 4889 | delta = ((u64) le32_to_cpu(stats->tmac_any_err_frms_oflow) << 32 | |
| 4890 | le32_to_cpu(stats->tmac_any_err_frms)) - sp->stats.tx_errors; |
| 4891 | sp->stats.tx_errors += delta; |
| 4892 | dev->stats.tx_errors += delta; |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 4893 | |
Jon Mason | 4a49043 | 2010-07-02 09:13:49 +0000 | [diff] [blame] | 4894 | delta = le64_to_cpu(stats->rmac_drop_frms) - sp->stats.rx_dropped; |
| 4895 | sp->stats.rx_dropped += delta; |
| 4896 | dev->stats.rx_dropped += delta; |
| 4897 | |
| 4898 | delta = le64_to_cpu(stats->tmac_drop_frms) - sp->stats.tx_dropped; |
| 4899 | sp->stats.tx_dropped += delta; |
| 4900 | dev->stats.tx_dropped += delta; |
| 4901 | |
| 4902 | /* The adapter MAC interprets pause frames as multicast packets, but |
| 4903 | * does not pass them up. This erroneously increases the multicast |
| 4904 | * packet count and needs to be deducted when the multicast frame count |
| 4905 | * is queried. |
| 4906 | */ |
| 4907 | delta = (u64) le32_to_cpu(stats->rmac_vld_mcst_frms_oflow) << 32 | |
| 4908 | le32_to_cpu(stats->rmac_vld_mcst_frms); |
| 4909 | delta -= le64_to_cpu(stats->rmac_pause_ctrl_frms); |
| 4910 | delta -= sp->stats.multicast; |
| 4911 | sp->stats.multicast += delta; |
| 4912 | dev->stats.multicast += delta; |
| 4913 | |
| 4914 | delta = ((u64) le32_to_cpu(stats->rmac_usized_frms_oflow) << 32 | |
| 4915 | le32_to_cpu(stats->rmac_usized_frms)) + |
| 4916 | le64_to_cpu(stats->rmac_long_frms) - sp->stats.rx_length_errors; |
| 4917 | sp->stats.rx_length_errors += delta; |
| 4918 | dev->stats.rx_length_errors += delta; |
| 4919 | |
| 4920 | delta = le64_to_cpu(stats->rmac_fcs_err_frms) - sp->stats.rx_crc_errors; |
| 4921 | sp->stats.rx_crc_errors += delta; |
| 4922 | dev->stats.rx_crc_errors += delta; |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 4923 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4924 | return &dev->stats; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4925 | } |
| 4926 | |
| 4927 | /** |
| 4928 | * s2io_set_multicast - entry point for multicast address enable/disable. |
| 4929 | * @dev : pointer to the device structure |
| 4930 | * Description: |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 4931 | * This function is a driver entry point which gets called by the kernel |
| 4932 | * whenever multicast addresses must be enabled/disabled. This also gets |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4933 | * called to set/reset promiscuous mode. Depending on the deivce flag, we |
| 4934 | * determine, if multicast address must be enabled or if promiscuous mode |
| 4935 | * is to be disabled etc. |
| 4936 | * Return value: |
| 4937 | * void. |
| 4938 | */ |
| 4939 | |
| 4940 | static void s2io_set_multicast(struct net_device *dev) |
| 4941 | { |
| 4942 | int i, j, prev_cnt; |
Jiri Pirko | 22bedad3 | 2010-04-01 21:22:57 +0000 | [diff] [blame] | 4943 | struct netdev_hw_addr *ha; |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 4944 | struct s2io_nic *sp = netdev_priv(dev); |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 4945 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4946 | u64 val64 = 0, multi_mac = 0x010203040506ULL, mask = |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4947 | 0xfeffffffffffULL; |
Sreenivasa Honnur | faa4f79 | 2008-01-24 01:45:43 -0800 | [diff] [blame] | 4948 | u64 dis_addr = S2IO_DISABLE_MAC_ENTRY, mac_addr = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4949 | void __iomem *add; |
Sreenivasa Honnur | faa4f79 | 2008-01-24 01:45:43 -0800 | [diff] [blame] | 4950 | struct config_param *config = &sp->config; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4951 | |
| 4952 | if ((dev->flags & IFF_ALLMULTI) && (!sp->m_cast_flg)) { |
| 4953 | /* Enable all Multicast addresses */ |
| 4954 | writeq(RMAC_ADDR_DATA0_MEM_ADDR(multi_mac), |
| 4955 | &bar0->rmac_addr_data0_mem); |
| 4956 | writeq(RMAC_ADDR_DATA1_MEM_MASK(mask), |
| 4957 | &bar0->rmac_addr_data1_mem); |
| 4958 | val64 = RMAC_ADDR_CMD_MEM_WE | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4959 | RMAC_ADDR_CMD_MEM_STROBE_NEW_CMD | |
| 4960 | RMAC_ADDR_CMD_MEM_OFFSET(config->max_mc_addr - 1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4961 | writeq(val64, &bar0->rmac_addr_cmd_mem); |
| 4962 | /* Wait till command completes */ |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 4963 | wait_for_cmd_complete(&bar0->rmac_addr_cmd_mem, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4964 | RMAC_ADDR_CMD_MEM_STROBE_CMD_EXECUTING, |
| 4965 | S2IO_BIT_RESET); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4966 | |
| 4967 | sp->m_cast_flg = 1; |
Sreenivasa Honnur | faa4f79 | 2008-01-24 01:45:43 -0800 | [diff] [blame] | 4968 | sp->all_multi_pos = config->max_mc_addr - 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4969 | } else if ((dev->flags & IFF_ALLMULTI) && (sp->m_cast_flg)) { |
| 4970 | /* Disable all Multicast addresses */ |
| 4971 | writeq(RMAC_ADDR_DATA0_MEM_ADDR(dis_addr), |
| 4972 | &bar0->rmac_addr_data0_mem); |
raghavendra.koushik@neterion.com | 5e25b9d | 2005-08-03 12:27:09 -0700 | [diff] [blame] | 4973 | writeq(RMAC_ADDR_DATA1_MEM_MASK(0x0), |
| 4974 | &bar0->rmac_addr_data1_mem); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4975 | val64 = RMAC_ADDR_CMD_MEM_WE | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4976 | RMAC_ADDR_CMD_MEM_STROBE_NEW_CMD | |
| 4977 | RMAC_ADDR_CMD_MEM_OFFSET(sp->all_multi_pos); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4978 | writeq(val64, &bar0->rmac_addr_cmd_mem); |
| 4979 | /* Wait till command completes */ |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 4980 | wait_for_cmd_complete(&bar0->rmac_addr_cmd_mem, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4981 | RMAC_ADDR_CMD_MEM_STROBE_CMD_EXECUTING, |
| 4982 | S2IO_BIT_RESET); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4983 | |
| 4984 | sp->m_cast_flg = 0; |
| 4985 | sp->all_multi_pos = 0; |
| 4986 | } |
| 4987 | |
| 4988 | if ((dev->flags & IFF_PROMISC) && (!sp->promisc_flg)) { |
| 4989 | /* Put the NIC into promiscuous mode */ |
| 4990 | add = &bar0->mac_cfg; |
| 4991 | val64 = readq(&bar0->mac_cfg); |
| 4992 | val64 |= MAC_CFG_RMAC_PROM_ENABLE; |
| 4993 | |
| 4994 | writeq(RMAC_CFG_KEY(0x4C0D), &bar0->rmac_cfg_key); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 4995 | writel((u32)val64, add); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4996 | writeq(RMAC_CFG_KEY(0x4C0D), &bar0->rmac_cfg_key); |
| 4997 | writel((u32) (val64 >> 32), (add + 4)); |
| 4998 | |
Sivakumar Subramani | 926930b | 2007-02-24 01:59:39 -0500 | [diff] [blame] | 4999 | if (vlan_tag_strip != 1) { |
| 5000 | val64 = readq(&bar0->rx_pa_cfg); |
| 5001 | val64 &= ~RX_PA_CFG_STRIP_VLAN_TAG; |
| 5002 | writeq(val64, &bar0->rx_pa_cfg); |
Breno Leitao | cd0fce0 | 2008-09-04 17:52:54 -0300 | [diff] [blame] | 5003 | sp->vlan_strip_flag = 0; |
Sivakumar Subramani | 926930b | 2007-02-24 01:59:39 -0500 | [diff] [blame] | 5004 | } |
| 5005 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5006 | val64 = readq(&bar0->mac_cfg); |
| 5007 | sp->promisc_flg = 1; |
ravinandan.arakali@neterion.com | 776bd20 | 2005-09-06 21:36:56 -0700 | [diff] [blame] | 5008 | DBG_PRINT(INFO_DBG, "%s: entered promiscuous mode\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5009 | dev->name); |
| 5010 | } else if (!(dev->flags & IFF_PROMISC) && (sp->promisc_flg)) { |
| 5011 | /* Remove the NIC from promiscuous mode */ |
| 5012 | add = &bar0->mac_cfg; |
| 5013 | val64 = readq(&bar0->mac_cfg); |
| 5014 | val64 &= ~MAC_CFG_RMAC_PROM_ENABLE; |
| 5015 | |
| 5016 | writeq(RMAC_CFG_KEY(0x4C0D), &bar0->rmac_cfg_key); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5017 | writel((u32)val64, add); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5018 | writeq(RMAC_CFG_KEY(0x4C0D), &bar0->rmac_cfg_key); |
| 5019 | writel((u32) (val64 >> 32), (add + 4)); |
| 5020 | |
Sivakumar Subramani | 926930b | 2007-02-24 01:59:39 -0500 | [diff] [blame] | 5021 | if (vlan_tag_strip != 0) { |
| 5022 | val64 = readq(&bar0->rx_pa_cfg); |
| 5023 | val64 |= RX_PA_CFG_STRIP_VLAN_TAG; |
| 5024 | writeq(val64, &bar0->rx_pa_cfg); |
Breno Leitao | cd0fce0 | 2008-09-04 17:52:54 -0300 | [diff] [blame] | 5025 | sp->vlan_strip_flag = 1; |
Sivakumar Subramani | 926930b | 2007-02-24 01:59:39 -0500 | [diff] [blame] | 5026 | } |
| 5027 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5028 | val64 = readq(&bar0->mac_cfg); |
| 5029 | sp->promisc_flg = 0; |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 5030 | DBG_PRINT(INFO_DBG, "%s: left promiscuous mode\n", dev->name); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5031 | } |
| 5032 | |
| 5033 | /* Update individual M_CAST address list */ |
Jiri Pirko | 4cd24ea | 2010-02-08 04:30:35 +0000 | [diff] [blame] | 5034 | if ((!sp->m_cast_flg) && netdev_mc_count(dev)) { |
| 5035 | if (netdev_mc_count(dev) > |
Sreenivasa Honnur | faa4f79 | 2008-01-24 01:45:43 -0800 | [diff] [blame] | 5036 | (config->max_mc_addr - config->max_mac_addr)) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 5037 | DBG_PRINT(ERR_DBG, |
| 5038 | "%s: No more Rx filters can be added - " |
| 5039 | "please enable ALL_MULTI instead\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5040 | dev->name); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5041 | return; |
| 5042 | } |
| 5043 | |
| 5044 | prev_cnt = sp->mc_addr_count; |
Jiri Pirko | 4cd24ea | 2010-02-08 04:30:35 +0000 | [diff] [blame] | 5045 | sp->mc_addr_count = netdev_mc_count(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5046 | |
| 5047 | /* Clear out the previous list of Mc in the H/W. */ |
| 5048 | for (i = 0; i < prev_cnt; i++) { |
| 5049 | writeq(RMAC_ADDR_DATA0_MEM_ADDR(dis_addr), |
| 5050 | &bar0->rmac_addr_data0_mem); |
| 5051 | writeq(RMAC_ADDR_DATA1_MEM_MASK(0ULL), |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5052 | &bar0->rmac_addr_data1_mem); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5053 | val64 = RMAC_ADDR_CMD_MEM_WE | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5054 | RMAC_ADDR_CMD_MEM_STROBE_NEW_CMD | |
| 5055 | RMAC_ADDR_CMD_MEM_OFFSET |
| 5056 | (config->mc_start_offset + i); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5057 | writeq(val64, &bar0->rmac_addr_cmd_mem); |
| 5058 | |
| 5059 | /* Wait for command completes */ |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 5060 | if (wait_for_cmd_complete(&bar0->rmac_addr_cmd_mem, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5061 | RMAC_ADDR_CMD_MEM_STROBE_CMD_EXECUTING, |
| 5062 | S2IO_BIT_RESET)) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 5063 | DBG_PRINT(ERR_DBG, |
| 5064 | "%s: Adding Multicasts failed\n", |
| 5065 | dev->name); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5066 | return; |
| 5067 | } |
| 5068 | } |
| 5069 | |
| 5070 | /* Create the new Rx filter list and update the same in H/W. */ |
Jiri Pirko | 5508590 | 2010-02-18 00:42:54 +0000 | [diff] [blame] | 5071 | i = 0; |
Jiri Pirko | 22bedad3 | 2010-04-01 21:22:57 +0000 | [diff] [blame] | 5072 | netdev_for_each_mc_addr(ha, dev) { |
Jeff Garzik | a7a80d5 | 2006-03-04 12:06:51 -0500 | [diff] [blame] | 5073 | mac_addr = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5074 | for (j = 0; j < ETH_ALEN; j++) { |
Jiri Pirko | 22bedad3 | 2010-04-01 21:22:57 +0000 | [diff] [blame] | 5075 | mac_addr |= ha->addr[j]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5076 | mac_addr <<= 8; |
| 5077 | } |
| 5078 | mac_addr >>= 8; |
| 5079 | writeq(RMAC_ADDR_DATA0_MEM_ADDR(mac_addr), |
| 5080 | &bar0->rmac_addr_data0_mem); |
| 5081 | writeq(RMAC_ADDR_DATA1_MEM_MASK(0ULL), |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5082 | &bar0->rmac_addr_data1_mem); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5083 | val64 = RMAC_ADDR_CMD_MEM_WE | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5084 | RMAC_ADDR_CMD_MEM_STROBE_NEW_CMD | |
| 5085 | RMAC_ADDR_CMD_MEM_OFFSET |
| 5086 | (i + config->mc_start_offset); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5087 | writeq(val64, &bar0->rmac_addr_cmd_mem); |
| 5088 | |
| 5089 | /* Wait for command completes */ |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 5090 | if (wait_for_cmd_complete(&bar0->rmac_addr_cmd_mem, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5091 | RMAC_ADDR_CMD_MEM_STROBE_CMD_EXECUTING, |
| 5092 | S2IO_BIT_RESET)) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 5093 | DBG_PRINT(ERR_DBG, |
| 5094 | "%s: Adding Multicasts failed\n", |
| 5095 | dev->name); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5096 | return; |
| 5097 | } |
Jiri Pirko | 5508590 | 2010-02-18 00:42:54 +0000 | [diff] [blame] | 5098 | i++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5099 | } |
| 5100 | } |
| 5101 | } |
| 5102 | |
Sreenivasa Honnur | faa4f79 | 2008-01-24 01:45:43 -0800 | [diff] [blame] | 5103 | /* read from CAM unicast & multicast addresses and store it in |
| 5104 | * def_mac_addr structure |
| 5105 | */ |
Hannes Eder | dac499f | 2008-12-25 23:56:45 -0800 | [diff] [blame] | 5106 | static void do_s2io_store_unicast_mc(struct s2io_nic *sp) |
Sreenivasa Honnur | faa4f79 | 2008-01-24 01:45:43 -0800 | [diff] [blame] | 5107 | { |
| 5108 | int offset; |
| 5109 | u64 mac_addr = 0x0; |
| 5110 | struct config_param *config = &sp->config; |
| 5111 | |
| 5112 | /* store unicast & multicast mac addresses */ |
| 5113 | for (offset = 0; offset < config->max_mc_addr; offset++) { |
| 5114 | mac_addr = do_s2io_read_unicast_mc(sp, offset); |
| 5115 | /* if read fails disable the entry */ |
| 5116 | if (mac_addr == FAILURE) |
| 5117 | mac_addr = S2IO_DISABLE_MAC_ENTRY; |
| 5118 | do_s2io_copy_mac_addr(sp, offset, mac_addr); |
| 5119 | } |
| 5120 | } |
| 5121 | |
| 5122 | /* restore unicast & multicast MAC to CAM from def_mac_addr structure */ |
| 5123 | static void do_s2io_restore_unicast_mc(struct s2io_nic *sp) |
| 5124 | { |
| 5125 | int offset; |
| 5126 | struct config_param *config = &sp->config; |
| 5127 | /* restore unicast mac address */ |
| 5128 | for (offset = 0; offset < config->max_mac_addr; offset++) |
| 5129 | do_s2io_prog_unicast(sp->dev, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5130 | sp->def_mac_addr[offset].mac_addr); |
Sreenivasa Honnur | faa4f79 | 2008-01-24 01:45:43 -0800 | [diff] [blame] | 5131 | |
| 5132 | /* restore multicast mac address */ |
| 5133 | for (offset = config->mc_start_offset; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5134 | offset < config->max_mc_addr; offset++) |
Sreenivasa Honnur | faa4f79 | 2008-01-24 01:45:43 -0800 | [diff] [blame] | 5135 | do_s2io_add_mc(sp, sp->def_mac_addr[offset].mac_addr); |
| 5136 | } |
| 5137 | |
| 5138 | /* add a multicast MAC address to CAM */ |
| 5139 | static int do_s2io_add_mc(struct s2io_nic *sp, u8 *addr) |
| 5140 | { |
| 5141 | int i; |
| 5142 | u64 mac_addr = 0; |
| 5143 | struct config_param *config = &sp->config; |
| 5144 | |
| 5145 | for (i = 0; i < ETH_ALEN; i++) { |
| 5146 | mac_addr <<= 8; |
| 5147 | mac_addr |= addr[i]; |
| 5148 | } |
| 5149 | if ((0ULL == mac_addr) || (mac_addr == S2IO_DISABLE_MAC_ENTRY)) |
| 5150 | return SUCCESS; |
| 5151 | |
| 5152 | /* check if the multicast mac already preset in CAM */ |
| 5153 | for (i = config->mc_start_offset; i < config->max_mc_addr; i++) { |
| 5154 | u64 tmp64; |
| 5155 | tmp64 = do_s2io_read_unicast_mc(sp, i); |
| 5156 | if (tmp64 == S2IO_DISABLE_MAC_ENTRY) /* CAM entry is empty */ |
| 5157 | break; |
| 5158 | |
| 5159 | if (tmp64 == mac_addr) |
| 5160 | return SUCCESS; |
| 5161 | } |
| 5162 | if (i == config->max_mc_addr) { |
| 5163 | DBG_PRINT(ERR_DBG, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5164 | "CAM full no space left for multicast MAC\n"); |
Sreenivasa Honnur | faa4f79 | 2008-01-24 01:45:43 -0800 | [diff] [blame] | 5165 | return FAILURE; |
| 5166 | } |
| 5167 | /* Update the internal structure with this new mac address */ |
| 5168 | do_s2io_copy_mac_addr(sp, i, mac_addr); |
| 5169 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5170 | return do_s2io_add_mac(sp, mac_addr, i); |
Sreenivasa Honnur | faa4f79 | 2008-01-24 01:45:43 -0800 | [diff] [blame] | 5171 | } |
| 5172 | |
| 5173 | /* add MAC address to CAM */ |
| 5174 | static int do_s2io_add_mac(struct s2io_nic *sp, u64 addr, int off) |
Sivakumar Subramani | 2fd3768 | 2007-09-14 07:39:19 -0400 | [diff] [blame] | 5175 | { |
| 5176 | u64 val64; |
| 5177 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
| 5178 | |
| 5179 | writeq(RMAC_ADDR_DATA0_MEM_ADDR(addr), |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5180 | &bar0->rmac_addr_data0_mem); |
Sivakumar Subramani | 2fd3768 | 2007-09-14 07:39:19 -0400 | [diff] [blame] | 5181 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5182 | val64 = RMAC_ADDR_CMD_MEM_WE | RMAC_ADDR_CMD_MEM_STROBE_NEW_CMD | |
Sivakumar Subramani | 2fd3768 | 2007-09-14 07:39:19 -0400 | [diff] [blame] | 5183 | RMAC_ADDR_CMD_MEM_OFFSET(off); |
| 5184 | writeq(val64, &bar0->rmac_addr_cmd_mem); |
| 5185 | |
| 5186 | /* Wait till command completes */ |
| 5187 | if (wait_for_cmd_complete(&bar0->rmac_addr_cmd_mem, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5188 | RMAC_ADDR_CMD_MEM_STROBE_CMD_EXECUTING, |
| 5189 | S2IO_BIT_RESET)) { |
Sreenivasa Honnur | faa4f79 | 2008-01-24 01:45:43 -0800 | [diff] [blame] | 5190 | DBG_PRINT(INFO_DBG, "do_s2io_add_mac failed\n"); |
Sivakumar Subramani | 2fd3768 | 2007-09-14 07:39:19 -0400 | [diff] [blame] | 5191 | return FAILURE; |
| 5192 | } |
| 5193 | return SUCCESS; |
| 5194 | } |
Sreenivasa Honnur | faa4f79 | 2008-01-24 01:45:43 -0800 | [diff] [blame] | 5195 | /* deletes a specified unicast/multicast mac entry from CAM */ |
| 5196 | static int do_s2io_delete_unicast_mc(struct s2io_nic *sp, u64 addr) |
| 5197 | { |
| 5198 | int offset; |
| 5199 | u64 dis_addr = S2IO_DISABLE_MAC_ENTRY, tmp64; |
| 5200 | struct config_param *config = &sp->config; |
| 5201 | |
| 5202 | for (offset = 1; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5203 | offset < config->max_mc_addr; offset++) { |
Sreenivasa Honnur | faa4f79 | 2008-01-24 01:45:43 -0800 | [diff] [blame] | 5204 | tmp64 = do_s2io_read_unicast_mc(sp, offset); |
| 5205 | if (tmp64 == addr) { |
| 5206 | /* disable the entry by writing 0xffffffffffffULL */ |
| 5207 | if (do_s2io_add_mac(sp, dis_addr, offset) == FAILURE) |
| 5208 | return FAILURE; |
| 5209 | /* store the new mac list from CAM */ |
| 5210 | do_s2io_store_unicast_mc(sp); |
| 5211 | return SUCCESS; |
| 5212 | } |
| 5213 | } |
| 5214 | DBG_PRINT(ERR_DBG, "MAC address 0x%llx not found in CAM\n", |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5215 | (unsigned long long)addr); |
Sreenivasa Honnur | faa4f79 | 2008-01-24 01:45:43 -0800 | [diff] [blame] | 5216 | return FAILURE; |
| 5217 | } |
| 5218 | |
| 5219 | /* read mac entries from CAM */ |
| 5220 | static u64 do_s2io_read_unicast_mc(struct s2io_nic *sp, int offset) |
| 5221 | { |
| 5222 | u64 tmp64 = 0xffffffffffff0000ULL, val64; |
| 5223 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
| 5224 | |
| 5225 | /* read mac addr */ |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5226 | val64 = RMAC_ADDR_CMD_MEM_RD | RMAC_ADDR_CMD_MEM_STROBE_NEW_CMD | |
Sreenivasa Honnur | faa4f79 | 2008-01-24 01:45:43 -0800 | [diff] [blame] | 5227 | RMAC_ADDR_CMD_MEM_OFFSET(offset); |
| 5228 | writeq(val64, &bar0->rmac_addr_cmd_mem); |
| 5229 | |
| 5230 | /* Wait till command completes */ |
| 5231 | if (wait_for_cmd_complete(&bar0->rmac_addr_cmd_mem, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5232 | RMAC_ADDR_CMD_MEM_STROBE_CMD_EXECUTING, |
| 5233 | S2IO_BIT_RESET)) { |
Sreenivasa Honnur | faa4f79 | 2008-01-24 01:45:43 -0800 | [diff] [blame] | 5234 | DBG_PRINT(INFO_DBG, "do_s2io_read_unicast_mc failed\n"); |
| 5235 | return FAILURE; |
| 5236 | } |
| 5237 | tmp64 = readq(&bar0->rmac_addr_data0_mem); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5238 | |
| 5239 | return tmp64 >> 16; |
Sreenivasa Honnur | faa4f79 | 2008-01-24 01:45:43 -0800 | [diff] [blame] | 5240 | } |
Sivakumar Subramani | 2fd3768 | 2007-09-14 07:39:19 -0400 | [diff] [blame] | 5241 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5242 | /** |
Sivakumar Subramani | 2fd3768 | 2007-09-14 07:39:19 -0400 | [diff] [blame] | 5243 | * s2io_set_mac_addr driver entry point |
| 5244 | */ |
Sreenivasa Honnur | faa4f79 | 2008-01-24 01:45:43 -0800 | [diff] [blame] | 5245 | |
Sivakumar Subramani | 2fd3768 | 2007-09-14 07:39:19 -0400 | [diff] [blame] | 5246 | static int s2io_set_mac_addr(struct net_device *dev, void *p) |
| 5247 | { |
| 5248 | struct sockaddr *addr = p; |
| 5249 | |
| 5250 | if (!is_valid_ether_addr(addr->sa_data)) |
| 5251 | return -EINVAL; |
| 5252 | |
| 5253 | memcpy(dev->dev_addr, addr->sa_data, dev->addr_len); |
| 5254 | |
| 5255 | /* store the MAC address in CAM */ |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5256 | return do_s2io_prog_unicast(dev, dev->dev_addr); |
Sivakumar Subramani | 2fd3768 | 2007-09-14 07:39:19 -0400 | [diff] [blame] | 5257 | } |
Sivakumar Subramani | 2fd3768 | 2007-09-14 07:39:19 -0400 | [diff] [blame] | 5258 | /** |
| 5259 | * do_s2io_prog_unicast - Programs the Xframe mac address |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5260 | * @dev : pointer to the device structure. |
| 5261 | * @addr: a uchar pointer to the new mac address which is to be set. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 5262 | * Description : This procedure will program the Xframe to receive |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5263 | * frames with new Mac Address |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 5264 | * Return value: SUCCESS on success and an appropriate (-)ve integer |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5265 | * as defined in errno.h file on failure. |
| 5266 | */ |
Sreenivasa Honnur | faa4f79 | 2008-01-24 01:45:43 -0800 | [diff] [blame] | 5267 | |
Sivakumar Subramani | 2fd3768 | 2007-09-14 07:39:19 -0400 | [diff] [blame] | 5268 | static int do_s2io_prog_unicast(struct net_device *dev, u8 *addr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5269 | { |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 5270 | struct s2io_nic *sp = netdev_priv(dev); |
Sivakumar Subramani | 2fd3768 | 2007-09-14 07:39:19 -0400 | [diff] [blame] | 5271 | register u64 mac_addr = 0, perm_addr = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5272 | int i; |
Sreenivasa Honnur | faa4f79 | 2008-01-24 01:45:43 -0800 | [diff] [blame] | 5273 | u64 tmp64; |
| 5274 | struct config_param *config = &sp->config; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5275 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 5276 | /* |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5277 | * Set the new MAC address as the new unicast filter and reflect this |
| 5278 | * change on the device address registered with the OS. It will be |
| 5279 | * at offset 0. |
| 5280 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5281 | for (i = 0; i < ETH_ALEN; i++) { |
| 5282 | mac_addr <<= 8; |
| 5283 | mac_addr |= addr[i]; |
Sivakumar Subramani | 2fd3768 | 2007-09-14 07:39:19 -0400 | [diff] [blame] | 5284 | perm_addr <<= 8; |
| 5285 | perm_addr |= sp->def_mac_addr[0].mac_addr[i]; |
Sivakumar Subramani | d8d70ca | 2007-02-24 02:04:24 -0500 | [diff] [blame] | 5286 | } |
| 5287 | |
Sivakumar Subramani | 2fd3768 | 2007-09-14 07:39:19 -0400 | [diff] [blame] | 5288 | /* check if the dev_addr is different than perm_addr */ |
| 5289 | if (mac_addr == perm_addr) |
Sivakumar Subramani | d8d70ca | 2007-02-24 02:04:24 -0500 | [diff] [blame] | 5290 | return SUCCESS; |
| 5291 | |
Sreenivasa Honnur | faa4f79 | 2008-01-24 01:45:43 -0800 | [diff] [blame] | 5292 | /* check if the mac already preset in CAM */ |
| 5293 | for (i = 1; i < config->max_mac_addr; i++) { |
| 5294 | tmp64 = do_s2io_read_unicast_mc(sp, i); |
| 5295 | if (tmp64 == S2IO_DISABLE_MAC_ENTRY) /* CAM entry is empty */ |
| 5296 | break; |
| 5297 | |
| 5298 | if (tmp64 == mac_addr) { |
| 5299 | DBG_PRINT(INFO_DBG, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5300 | "MAC addr:0x%llx already present in CAM\n", |
| 5301 | (unsigned long long)mac_addr); |
Sreenivasa Honnur | faa4f79 | 2008-01-24 01:45:43 -0800 | [diff] [blame] | 5302 | return SUCCESS; |
| 5303 | } |
| 5304 | } |
| 5305 | if (i == config->max_mac_addr) { |
| 5306 | DBG_PRINT(ERR_DBG, "CAM full no space left for Unicast MAC\n"); |
| 5307 | return FAILURE; |
| 5308 | } |
Sivakumar Subramani | d8d70ca | 2007-02-24 02:04:24 -0500 | [diff] [blame] | 5309 | /* Update the internal structure with this new mac address */ |
Sreenivasa Honnur | faa4f79 | 2008-01-24 01:45:43 -0800 | [diff] [blame] | 5310 | do_s2io_copy_mac_addr(sp, i, mac_addr); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5311 | |
| 5312 | return do_s2io_add_mac(sp, mac_addr, i); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5313 | } |
| 5314 | |
| 5315 | /** |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 5316 | * s2io_ethtool_sset - Sets different link parameters. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5317 | * @sp : private member of the device structure, which is a pointer to the * s2io_nic structure. |
| 5318 | * @info: pointer to the structure with parameters given by ethtool to set |
| 5319 | * link information. |
| 5320 | * Description: |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 5321 | * The function sets different link parameters provided by the user onto |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5322 | * the NIC. |
| 5323 | * Return value: |
| 5324 | * 0 on success. |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5325 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5326 | |
| 5327 | static int s2io_ethtool_sset(struct net_device *dev, |
| 5328 | struct ethtool_cmd *info) |
| 5329 | { |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 5330 | struct s2io_nic *sp = netdev_priv(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5331 | if ((info->autoneg == AUTONEG_ENABLE) || |
David Decotigny | 25db033 | 2011-04-27 18:32:39 +0000 | [diff] [blame] | 5332 | (ethtool_cmd_speed(info) != SPEED_10000) || |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5333 | (info->duplex != DUPLEX_FULL)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5334 | return -EINVAL; |
| 5335 | else { |
| 5336 | s2io_close(sp->dev); |
| 5337 | s2io_open(sp->dev); |
| 5338 | } |
| 5339 | |
| 5340 | return 0; |
| 5341 | } |
| 5342 | |
| 5343 | /** |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 5344 | * s2io_ethtol_gset - Return link specific information. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5345 | * @sp : private member of the device structure, pointer to the |
| 5346 | * s2io_nic structure. |
| 5347 | * @info : pointer to the structure with parameters given by ethtool |
| 5348 | * to return link information. |
| 5349 | * Description: |
| 5350 | * Returns link specific information like speed, duplex etc.. to ethtool. |
| 5351 | * Return value : |
| 5352 | * return 0 on success. |
| 5353 | */ |
| 5354 | |
| 5355 | static int s2io_ethtool_gset(struct net_device *dev, struct ethtool_cmd *info) |
| 5356 | { |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 5357 | struct s2io_nic *sp = netdev_priv(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5358 | info->supported = (SUPPORTED_10000baseT_Full | SUPPORTED_FIBRE); |
| 5359 | info->advertising = (SUPPORTED_10000baseT_Full | SUPPORTED_FIBRE); |
| 5360 | info->port = PORT_FIBRE; |
Sivakumar Subramani | 1a7eb72 | 2007-09-14 07:43:16 -0400 | [diff] [blame] | 5361 | |
| 5362 | /* info->transceiver */ |
| 5363 | info->transceiver = XCVR_EXTERNAL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5364 | |
| 5365 | if (netif_carrier_ok(sp->dev)) { |
David Decotigny | 7073949 | 2011-04-27 18:32:40 +0000 | [diff] [blame] | 5366 | ethtool_cmd_speed_set(info, SPEED_10000); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5367 | info->duplex = DUPLEX_FULL; |
| 5368 | } else { |
David Decotigny | 7073949 | 2011-04-27 18:32:40 +0000 | [diff] [blame] | 5369 | ethtool_cmd_speed_set(info, -1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5370 | info->duplex = -1; |
| 5371 | } |
| 5372 | |
| 5373 | info->autoneg = AUTONEG_DISABLE; |
| 5374 | return 0; |
| 5375 | } |
| 5376 | |
| 5377 | /** |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 5378 | * s2io_ethtool_gdrvinfo - Returns driver specific information. |
| 5379 | * @sp : private member of the device structure, which is a pointer to the |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5380 | * s2io_nic structure. |
| 5381 | * @info : pointer to the structure with parameters given by ethtool to |
| 5382 | * return driver information. |
| 5383 | * Description: |
| 5384 | * Returns driver specefic information like name, version etc.. to ethtool. |
| 5385 | * Return value: |
| 5386 | * void |
| 5387 | */ |
| 5388 | |
| 5389 | static void s2io_ethtool_gdrvinfo(struct net_device *dev, |
| 5390 | struct ethtool_drvinfo *info) |
| 5391 | { |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 5392 | struct s2io_nic *sp = netdev_priv(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5393 | |
John W. Linville | dbc2309d | 2005-09-28 17:50:51 -0400 | [diff] [blame] | 5394 | strncpy(info->driver, s2io_driver_name, sizeof(info->driver)); |
| 5395 | strncpy(info->version, s2io_driver_version, sizeof(info->version)); |
| 5396 | strncpy(info->fw_version, "", sizeof(info->fw_version)); |
| 5397 | strncpy(info->bus_info, pci_name(sp->pdev), sizeof(info->bus_info)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5398 | info->regdump_len = XENA_REG_SPACE; |
| 5399 | info->eedump_len = XENA_EEPROM_SPACE; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5400 | } |
| 5401 | |
| 5402 | /** |
| 5403 | * s2io_ethtool_gregs - dumps the entire space of Xfame into the buffer. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 5404 | * @sp: private member of the device structure, which is a pointer to the |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5405 | * s2io_nic structure. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 5406 | * @regs : pointer to the structure with parameters given by ethtool for |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5407 | * dumping the registers. |
| 5408 | * @reg_space: The input argumnet into which all the registers are dumped. |
| 5409 | * Description: |
| 5410 | * Dumps the entire register space of xFrame NIC into the user given |
| 5411 | * buffer area. |
| 5412 | * Return value : |
| 5413 | * void . |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5414 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5415 | |
| 5416 | static void s2io_ethtool_gregs(struct net_device *dev, |
| 5417 | struct ethtool_regs *regs, void *space) |
| 5418 | { |
| 5419 | int i; |
| 5420 | u64 reg; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5421 | u8 *reg_space = (u8 *)space; |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 5422 | struct s2io_nic *sp = netdev_priv(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5423 | |
| 5424 | regs->len = XENA_REG_SPACE; |
| 5425 | regs->version = sp->pdev->subsystem_device; |
| 5426 | |
| 5427 | for (i = 0; i < regs->len; i += 8) { |
| 5428 | reg = readq(sp->bar0 + i); |
| 5429 | memcpy((reg_space + i), ®, 8); |
| 5430 | } |
| 5431 | } |
| 5432 | |
stephen hemminger | 034e345 | 2011-04-04 15:09:25 +0000 | [diff] [blame] | 5433 | /* |
| 5434 | * s2io_set_led - control NIC led |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5435 | */ |
stephen hemminger | 034e345 | 2011-04-04 15:09:25 +0000 | [diff] [blame] | 5436 | static void s2io_set_led(struct s2io_nic *sp, bool on) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5437 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 5438 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
stephen hemminger | 034e345 | 2011-04-04 15:09:25 +0000 | [diff] [blame] | 5439 | u16 subid = sp->pdev->subsystem_device; |
| 5440 | u64 val64; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5441 | |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 5442 | if ((sp->device_type == XFRAME_II_DEVICE) || |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5443 | ((subid & 0xFF) >= 0x07)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5444 | val64 = readq(&bar0->gpio_control); |
stephen hemminger | 034e345 | 2011-04-04 15:09:25 +0000 | [diff] [blame] | 5445 | if (on) |
| 5446 | val64 |= GPIO_CTRL_GPIO_0; |
| 5447 | else |
| 5448 | val64 &= ~GPIO_CTRL_GPIO_0; |
| 5449 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5450 | writeq(val64, &bar0->gpio_control); |
| 5451 | } else { |
| 5452 | val64 = readq(&bar0->adapter_control); |
stephen hemminger | 034e345 | 2011-04-04 15:09:25 +0000 | [diff] [blame] | 5453 | if (on) |
| 5454 | val64 |= ADAPTER_LED_ON; |
| 5455 | else |
| 5456 | val64 &= ~ADAPTER_LED_ON; |
| 5457 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5458 | writeq(val64, &bar0->adapter_control); |
| 5459 | } |
| 5460 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5461 | } |
| 5462 | |
| 5463 | /** |
stephen hemminger | 034e345 | 2011-04-04 15:09:25 +0000 | [diff] [blame] | 5464 | * s2io_ethtool_set_led - To physically identify the nic on the system. |
| 5465 | * @dev : network device |
| 5466 | * @state: led setting |
| 5467 | * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5468 | * Description: Used to physically identify the NIC on the system. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 5469 | * The Link LED will blink for a time specified by the user for |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5470 | * identification. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 5471 | * NOTE: The Link has to be Up to be able to blink the LED. Hence |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5472 | * identification is possible only if it's link is up. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5473 | */ |
| 5474 | |
stephen hemminger | 034e345 | 2011-04-04 15:09:25 +0000 | [diff] [blame] | 5475 | static int s2io_ethtool_set_led(struct net_device *dev, |
| 5476 | enum ethtool_phys_id_state state) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5477 | { |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 5478 | struct s2io_nic *sp = netdev_priv(dev); |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 5479 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
stephen hemminger | 034e345 | 2011-04-04 15:09:25 +0000 | [diff] [blame] | 5480 | u16 subid = sp->pdev->subsystem_device; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5481 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5482 | if ((sp->device_type == XFRAME_I_DEVICE) && ((subid & 0xFF) < 0x07)) { |
stephen hemminger | 034e345 | 2011-04-04 15:09:25 +0000 | [diff] [blame] | 5483 | u64 val64 = readq(&bar0->adapter_control); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5484 | if (!(val64 & ADAPTER_CNTL_EN)) { |
Joe Perches | 6cef2b8e | 2009-08-24 17:29:45 +0000 | [diff] [blame] | 5485 | pr_err("Adapter Link down, cannot blink LED\n"); |
stephen hemminger | 034e345 | 2011-04-04 15:09:25 +0000 | [diff] [blame] | 5486 | return -EAGAIN; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5487 | } |
| 5488 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5489 | |
stephen hemminger | 034e345 | 2011-04-04 15:09:25 +0000 | [diff] [blame] | 5490 | switch (state) { |
| 5491 | case ETHTOOL_ID_ACTIVE: |
| 5492 | sp->adapt_ctrl_org = readq(&bar0->gpio_control); |
Allan, Bruce W | fce5592 | 2011-04-13 13:09:10 +0000 | [diff] [blame] | 5493 | return 1; /* cycle on/off once per second */ |
stephen hemminger | 034e345 | 2011-04-04 15:09:25 +0000 | [diff] [blame] | 5494 | |
| 5495 | case ETHTOOL_ID_ON: |
| 5496 | s2io_set_led(sp, true); |
| 5497 | break; |
| 5498 | |
| 5499 | case ETHTOOL_ID_OFF: |
| 5500 | s2io_set_led(sp, false); |
| 5501 | break; |
| 5502 | |
| 5503 | case ETHTOOL_ID_INACTIVE: |
| 5504 | if (CARDS_WITH_FAULTY_LINK_INDICATORS(sp->device_type, subid)) |
| 5505 | writeq(sp->adapt_ctrl_org, &bar0->gpio_control); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5506 | } |
| 5507 | |
| 5508 | return 0; |
| 5509 | } |
| 5510 | |
Sreenivasa Honnur | 0cec35e | 2007-05-10 04:06:28 -0400 | [diff] [blame] | 5511 | static void s2io_ethtool_gringparam(struct net_device *dev, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5512 | struct ethtool_ringparam *ering) |
Sreenivasa Honnur | 0cec35e | 2007-05-10 04:06:28 -0400 | [diff] [blame] | 5513 | { |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 5514 | struct s2io_nic *sp = netdev_priv(dev); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5515 | int i, tx_desc_count = 0, rx_desc_count = 0; |
Sreenivasa Honnur | 0cec35e | 2007-05-10 04:06:28 -0400 | [diff] [blame] | 5516 | |
Jon Mason | 1853e2e | 2010-12-10 15:40:01 +0000 | [diff] [blame] | 5517 | if (sp->rxd_mode == RXD_MODE_1) { |
Sreenivasa Honnur | 0cec35e | 2007-05-10 04:06:28 -0400 | [diff] [blame] | 5518 | ering->rx_max_pending = MAX_RX_DESC_1; |
Jon Mason | 1853e2e | 2010-12-10 15:40:01 +0000 | [diff] [blame] | 5519 | ering->rx_jumbo_max_pending = MAX_RX_DESC_1; |
| 5520 | } else { |
Sreenivasa Honnur | 0cec35e | 2007-05-10 04:06:28 -0400 | [diff] [blame] | 5521 | ering->rx_max_pending = MAX_RX_DESC_2; |
Jon Mason | 1853e2e | 2010-12-10 15:40:01 +0000 | [diff] [blame] | 5522 | ering->rx_jumbo_max_pending = MAX_RX_DESC_2; |
| 5523 | } |
Sreenivasa Honnur | 0cec35e | 2007-05-10 04:06:28 -0400 | [diff] [blame] | 5524 | |
| 5525 | ering->rx_mini_max_pending = 0; |
Jon Mason | 1853e2e | 2010-12-10 15:40:01 +0000 | [diff] [blame] | 5526 | ering->tx_max_pending = MAX_TX_DESC; |
| 5527 | |
| 5528 | for (i = 0; i < sp->config.rx_ring_num; i++) |
| 5529 | rx_desc_count += sp->config.rx_cfg[i].num_rxd; |
| 5530 | ering->rx_pending = rx_desc_count; |
Sreenivasa Honnur | 0cec35e | 2007-05-10 04:06:28 -0400 | [diff] [blame] | 5531 | ering->rx_jumbo_pending = rx_desc_count; |
Jon Mason | 1853e2e | 2010-12-10 15:40:01 +0000 | [diff] [blame] | 5532 | ering->rx_mini_pending = 0; |
| 5533 | |
| 5534 | for (i = 0; i < sp->config.tx_fifo_num; i++) |
| 5535 | tx_desc_count += sp->config.tx_cfg[i].fifo_len; |
| 5536 | ering->tx_pending = tx_desc_count; |
| 5537 | DBG_PRINT(INFO_DBG, "max txds: %d\n", sp->config.max_txds); |
Sreenivasa Honnur | 0cec35e | 2007-05-10 04:06:28 -0400 | [diff] [blame] | 5538 | } |
| 5539 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5540 | /** |
| 5541 | * s2io_ethtool_getpause_data -Pause frame frame generation and reception. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 5542 | * @sp : private member of the device structure, which is a pointer to the |
| 5543 | * s2io_nic structure. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5544 | * @ep : pointer to the structure with pause parameters given by ethtool. |
| 5545 | * Description: |
| 5546 | * Returns the Pause frame generation and reception capability of the NIC. |
| 5547 | * Return value: |
| 5548 | * void |
| 5549 | */ |
| 5550 | static void s2io_ethtool_getpause_data(struct net_device *dev, |
| 5551 | struct ethtool_pauseparam *ep) |
| 5552 | { |
| 5553 | u64 val64; |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 5554 | struct s2io_nic *sp = netdev_priv(dev); |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 5555 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5556 | |
| 5557 | val64 = readq(&bar0->rmac_pause_cfg); |
| 5558 | if (val64 & RMAC_PAUSE_GEN_ENABLE) |
Tobias Klauser | f957bcf | 2009-06-04 23:07:59 +0000 | [diff] [blame] | 5559 | ep->tx_pause = true; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5560 | if (val64 & RMAC_PAUSE_RX_ENABLE) |
Tobias Klauser | f957bcf | 2009-06-04 23:07:59 +0000 | [diff] [blame] | 5561 | ep->rx_pause = true; |
| 5562 | ep->autoneg = false; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5563 | } |
| 5564 | |
| 5565 | /** |
| 5566 | * s2io_ethtool_setpause_data - set/reset pause frame generation. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 5567 | * @sp : private member of the device structure, which is a pointer to the |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5568 | * s2io_nic structure. |
| 5569 | * @ep : pointer to the structure with pause parameters given by ethtool. |
| 5570 | * Description: |
| 5571 | * It can be used to set or reset Pause frame generation or reception |
| 5572 | * support of the NIC. |
| 5573 | * Return value: |
| 5574 | * int, returns 0 on Success |
| 5575 | */ |
| 5576 | |
| 5577 | static int s2io_ethtool_setpause_data(struct net_device *dev, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5578 | struct ethtool_pauseparam *ep) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5579 | { |
| 5580 | u64 val64; |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 5581 | struct s2io_nic *sp = netdev_priv(dev); |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 5582 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5583 | |
| 5584 | val64 = readq(&bar0->rmac_pause_cfg); |
| 5585 | if (ep->tx_pause) |
| 5586 | val64 |= RMAC_PAUSE_GEN_ENABLE; |
| 5587 | else |
| 5588 | val64 &= ~RMAC_PAUSE_GEN_ENABLE; |
| 5589 | if (ep->rx_pause) |
| 5590 | val64 |= RMAC_PAUSE_RX_ENABLE; |
| 5591 | else |
| 5592 | val64 &= ~RMAC_PAUSE_RX_ENABLE; |
| 5593 | writeq(val64, &bar0->rmac_pause_cfg); |
| 5594 | return 0; |
| 5595 | } |
| 5596 | |
| 5597 | /** |
| 5598 | * read_eeprom - reads 4 bytes of data from user given offset. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 5599 | * @sp : private member of the device structure, which is a pointer to the |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5600 | * s2io_nic structure. |
| 5601 | * @off : offset at which the data must be written |
| 5602 | * @data : Its an output parameter where the data read at the given |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 5603 | * offset is stored. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5604 | * Description: |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 5605 | * Will read 4 bytes of data from the user given offset and return the |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5606 | * read data. |
| 5607 | * NOTE: Will allow to read only part of the EEPROM visible through the |
| 5608 | * I2C bus. |
| 5609 | * Return value: |
| 5610 | * -1 on failure and 0 on success. |
| 5611 | */ |
| 5612 | |
| 5613 | #define S2IO_DEV_ID 5 |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5614 | static int read_eeprom(struct s2io_nic *sp, int off, u64 *data) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5615 | { |
| 5616 | int ret = -1; |
| 5617 | u32 exit_cnt = 0; |
| 5618 | u64 val64; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 5619 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5620 | |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 5621 | if (sp->device_type == XFRAME_I_DEVICE) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5622 | val64 = I2C_CONTROL_DEV_ID(S2IO_DEV_ID) | |
| 5623 | I2C_CONTROL_ADDR(off) | |
| 5624 | I2C_CONTROL_BYTE_CNT(0x3) | |
| 5625 | I2C_CONTROL_READ | |
| 5626 | I2C_CONTROL_CNTL_START; |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 5627 | SPECIAL_REG_WRITE(val64, &bar0->i2c_control, LF); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5628 | |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 5629 | while (exit_cnt < 5) { |
| 5630 | val64 = readq(&bar0->i2c_control); |
| 5631 | if (I2C_CONTROL_CNTL_END(val64)) { |
| 5632 | *data = I2C_CONTROL_GET_DATA(val64); |
| 5633 | ret = 0; |
| 5634 | break; |
| 5635 | } |
| 5636 | msleep(50); |
| 5637 | exit_cnt++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5638 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5639 | } |
| 5640 | |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 5641 | if (sp->device_type == XFRAME_II_DEVICE) { |
| 5642 | val64 = SPI_CONTROL_KEY(0x9) | SPI_CONTROL_SEL1 | |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 5643 | SPI_CONTROL_BYTECNT(0x3) | |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 5644 | SPI_CONTROL_CMD(0x3) | SPI_CONTROL_ADDR(off); |
| 5645 | SPECIAL_REG_WRITE(val64, &bar0->spi_control, LF); |
| 5646 | val64 |= SPI_CONTROL_REQ; |
| 5647 | SPECIAL_REG_WRITE(val64, &bar0->spi_control, LF); |
| 5648 | while (exit_cnt < 5) { |
| 5649 | val64 = readq(&bar0->spi_control); |
| 5650 | if (val64 & SPI_CONTROL_NACK) { |
| 5651 | ret = 1; |
| 5652 | break; |
| 5653 | } else if (val64 & SPI_CONTROL_DONE) { |
| 5654 | *data = readq(&bar0->spi_data); |
| 5655 | *data &= 0xffffff; |
| 5656 | ret = 0; |
| 5657 | break; |
| 5658 | } |
| 5659 | msleep(50); |
| 5660 | exit_cnt++; |
| 5661 | } |
| 5662 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5663 | return ret; |
| 5664 | } |
| 5665 | |
| 5666 | /** |
| 5667 | * write_eeprom - actually writes the relevant part of the data value. |
| 5668 | * @sp : private member of the device structure, which is a pointer to the |
| 5669 | * s2io_nic structure. |
| 5670 | * @off : offset at which the data must be written |
| 5671 | * @data : The data that is to be written |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 5672 | * @cnt : Number of bytes of the data that are actually to be written into |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5673 | * the Eeprom. (max of 3) |
| 5674 | * Description: |
| 5675 | * Actually writes the relevant part of the data value into the Eeprom |
| 5676 | * through the I2C bus. |
| 5677 | * Return value: |
| 5678 | * 0 on success, -1 on failure. |
| 5679 | */ |
| 5680 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5681 | static int write_eeprom(struct s2io_nic *sp, int off, u64 data, int cnt) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5682 | { |
| 5683 | int exit_cnt = 0, ret = -1; |
| 5684 | u64 val64; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 5685 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5686 | |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 5687 | if (sp->device_type == XFRAME_I_DEVICE) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5688 | val64 = I2C_CONTROL_DEV_ID(S2IO_DEV_ID) | |
| 5689 | I2C_CONTROL_ADDR(off) | |
| 5690 | I2C_CONTROL_BYTE_CNT(cnt) | |
| 5691 | I2C_CONTROL_SET_DATA((u32)data) | |
| 5692 | I2C_CONTROL_CNTL_START; |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 5693 | SPECIAL_REG_WRITE(val64, &bar0->i2c_control, LF); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5694 | |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 5695 | while (exit_cnt < 5) { |
| 5696 | val64 = readq(&bar0->i2c_control); |
| 5697 | if (I2C_CONTROL_CNTL_END(val64)) { |
| 5698 | if (!(val64 & I2C_CONTROL_NACK)) |
| 5699 | ret = 0; |
| 5700 | break; |
| 5701 | } |
| 5702 | msleep(50); |
| 5703 | exit_cnt++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5704 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5705 | } |
| 5706 | |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 5707 | if (sp->device_type == XFRAME_II_DEVICE) { |
| 5708 | int write_cnt = (cnt == 8) ? 0 : cnt; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5709 | writeq(SPI_DATA_WRITE(data, (cnt << 3)), &bar0->spi_data); |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 5710 | |
| 5711 | val64 = SPI_CONTROL_KEY(0x9) | SPI_CONTROL_SEL1 | |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 5712 | SPI_CONTROL_BYTECNT(write_cnt) | |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 5713 | SPI_CONTROL_CMD(0x2) | SPI_CONTROL_ADDR(off); |
| 5714 | SPECIAL_REG_WRITE(val64, &bar0->spi_control, LF); |
| 5715 | val64 |= SPI_CONTROL_REQ; |
| 5716 | SPECIAL_REG_WRITE(val64, &bar0->spi_control, LF); |
| 5717 | while (exit_cnt < 5) { |
| 5718 | val64 = readq(&bar0->spi_control); |
| 5719 | if (val64 & SPI_CONTROL_NACK) { |
| 5720 | ret = 1; |
| 5721 | break; |
| 5722 | } else if (val64 & SPI_CONTROL_DONE) { |
| 5723 | ret = 0; |
| 5724 | break; |
| 5725 | } |
| 5726 | msleep(50); |
| 5727 | exit_cnt++; |
| 5728 | } |
| 5729 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5730 | return ret; |
| 5731 | } |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 5732 | static void s2io_vpd_read(struct s2io_nic *nic) |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 5733 | { |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 5734 | u8 *vpd_data; |
| 5735 | u8 data; |
Kulikov Vasiliy | 9c17978 | 2010-07-23 06:36:15 +0000 | [diff] [blame] | 5736 | int i = 0, cnt, len, fail = 0; |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 5737 | int vpd_addr = 0x80; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 5738 | struct swStat *swstats = &nic->mac_control.stats_info->sw_stat; |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 5739 | |
| 5740 | if (nic->device_type == XFRAME_II_DEVICE) { |
| 5741 | strcpy(nic->product_name, "Xframe II 10GbE network adapter"); |
| 5742 | vpd_addr = 0x80; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5743 | } else { |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 5744 | strcpy(nic->product_name, "Xframe I 10GbE network adapter"); |
| 5745 | vpd_addr = 0x50; |
| 5746 | } |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 5747 | strcpy(nic->serial_num, "NOT AVAILABLE"); |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 5748 | |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 5749 | vpd_data = kmalloc(256, GFP_KERNEL); |
Sreenivasa Honnur | c53d494 | 2007-05-10 04:18:54 -0400 | [diff] [blame] | 5750 | if (!vpd_data) { |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 5751 | swstats->mem_alloc_fail_cnt++; |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 5752 | return; |
Sreenivasa Honnur | c53d494 | 2007-05-10 04:18:54 -0400 | [diff] [blame] | 5753 | } |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 5754 | swstats->mem_allocated += 256; |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 5755 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5756 | for (i = 0; i < 256; i += 4) { |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 5757 | pci_write_config_byte(nic->pdev, (vpd_addr + 2), i); |
| 5758 | pci_read_config_byte(nic->pdev, (vpd_addr + 2), &data); |
| 5759 | pci_write_config_byte(nic->pdev, (vpd_addr + 3), 0); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5760 | for (cnt = 0; cnt < 5; cnt++) { |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 5761 | msleep(2); |
| 5762 | pci_read_config_byte(nic->pdev, (vpd_addr + 3), &data); |
| 5763 | if (data == 0x80) |
| 5764 | break; |
| 5765 | } |
| 5766 | if (cnt >= 5) { |
| 5767 | DBG_PRINT(ERR_DBG, "Read of VPD data failed\n"); |
| 5768 | fail = 1; |
| 5769 | break; |
| 5770 | } |
| 5771 | pci_read_config_dword(nic->pdev, (vpd_addr + 4), |
| 5772 | (u32 *)&vpd_data[i]); |
| 5773 | } |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 5774 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5775 | if (!fail) { |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 5776 | /* read serial number of adapter */ |
Kulikov Vasiliy | 9c17978 | 2010-07-23 06:36:15 +0000 | [diff] [blame] | 5777 | for (cnt = 0; cnt < 252; cnt++) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5778 | if ((vpd_data[cnt] == 'S') && |
Kulikov Vasiliy | 9c17978 | 2010-07-23 06:36:15 +0000 | [diff] [blame] | 5779 | (vpd_data[cnt+1] == 'N')) { |
| 5780 | len = vpd_data[cnt+2]; |
| 5781 | if (len < min(VPD_STRING_LEN, 256-cnt-2)) { |
| 5782 | memcpy(nic->serial_num, |
| 5783 | &vpd_data[cnt + 3], |
| 5784 | len); |
| 5785 | memset(nic->serial_num+len, |
| 5786 | 0, |
| 5787 | VPD_STRING_LEN-len); |
| 5788 | break; |
| 5789 | } |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 5790 | } |
| 5791 | } |
| 5792 | } |
| 5793 | |
Kulikov Vasiliy | 9c17978 | 2010-07-23 06:36:15 +0000 | [diff] [blame] | 5794 | if ((!fail) && (vpd_data[1] < VPD_STRING_LEN)) { |
| 5795 | len = vpd_data[1]; |
| 5796 | memcpy(nic->product_name, &vpd_data[3], len); |
| 5797 | nic->product_name[len] = 0; |
| 5798 | } |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 5799 | kfree(vpd_data); |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 5800 | swstats->mem_freed += 256; |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 5801 | } |
| 5802 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5803 | /** |
| 5804 | * s2io_ethtool_geeprom - reads the value stored in the Eeprom. |
| 5805 | * @sp : private member of the device structure, which is a pointer to the * s2io_nic structure. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 5806 | * @eeprom : pointer to the user level structure provided by ethtool, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5807 | * containing all relevant information. |
| 5808 | * @data_buf : user defined value to be written into Eeprom. |
| 5809 | * Description: Reads the values stored in the Eeprom at given offset |
| 5810 | * for a given length. Stores these values int the input argument data |
| 5811 | * buffer 'data_buf' and returns these to the caller (ethtool.) |
| 5812 | * Return value: |
| 5813 | * int 0 on success |
| 5814 | */ |
| 5815 | |
| 5816 | static int s2io_ethtool_geeprom(struct net_device *dev, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5817 | struct ethtool_eeprom *eeprom, u8 * data_buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5818 | { |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 5819 | u32 i, valid; |
| 5820 | u64 data; |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 5821 | struct s2io_nic *sp = netdev_priv(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5822 | |
| 5823 | eeprom->magic = sp->pdev->vendor | (sp->pdev->device << 16); |
| 5824 | |
| 5825 | if ((eeprom->offset + eeprom->len) > (XENA_EEPROM_SPACE)) |
| 5826 | eeprom->len = XENA_EEPROM_SPACE - eeprom->offset; |
| 5827 | |
| 5828 | for (i = 0; i < eeprom->len; i += 4) { |
| 5829 | if (read_eeprom(sp, (eeprom->offset + i), &data)) { |
| 5830 | DBG_PRINT(ERR_DBG, "Read of EEPROM failed\n"); |
| 5831 | return -EFAULT; |
| 5832 | } |
| 5833 | valid = INV(data); |
| 5834 | memcpy((data_buf + i), &valid, 4); |
| 5835 | } |
| 5836 | return 0; |
| 5837 | } |
| 5838 | |
| 5839 | /** |
| 5840 | * s2io_ethtool_seeprom - tries to write the user provided value in Eeprom |
| 5841 | * @sp : private member of the device structure, which is a pointer to the |
| 5842 | * s2io_nic structure. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 5843 | * @eeprom : pointer to the user level structure provided by ethtool, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5844 | * containing all relevant information. |
| 5845 | * @data_buf ; user defined value to be written into Eeprom. |
| 5846 | * Description: |
| 5847 | * Tries to write the user provided value in the Eeprom, at the offset |
| 5848 | * given by the user. |
| 5849 | * Return value: |
| 5850 | * 0 on success, -EFAULT on failure. |
| 5851 | */ |
| 5852 | |
| 5853 | static int s2io_ethtool_seeprom(struct net_device *dev, |
| 5854 | struct ethtool_eeprom *eeprom, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5855 | u8 *data_buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5856 | { |
| 5857 | int len = eeprom->len, cnt = 0; |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 5858 | u64 valid = 0, data; |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 5859 | struct s2io_nic *sp = netdev_priv(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5860 | |
| 5861 | if (eeprom->magic != (sp->pdev->vendor | (sp->pdev->device << 16))) { |
| 5862 | DBG_PRINT(ERR_DBG, |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 5863 | "ETHTOOL_WRITE_EEPROM Err: " |
| 5864 | "Magic value is wrong, it is 0x%x should be 0x%x\n", |
| 5865 | (sp->pdev->vendor | (sp->pdev->device << 16)), |
| 5866 | eeprom->magic); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5867 | return -EFAULT; |
| 5868 | } |
| 5869 | |
| 5870 | while (len) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5871 | data = (u32)data_buf[cnt] & 0x000000FF; |
| 5872 | if (data) |
| 5873 | valid = (u32)(data << 24); |
| 5874 | else |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5875 | valid = data; |
| 5876 | |
| 5877 | if (write_eeprom(sp, (eeprom->offset + cnt), valid, 0)) { |
| 5878 | DBG_PRINT(ERR_DBG, |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 5879 | "ETHTOOL_WRITE_EEPROM Err: " |
| 5880 | "Cannot write into the specified offset\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5881 | return -EFAULT; |
| 5882 | } |
| 5883 | cnt++; |
| 5884 | len--; |
| 5885 | } |
| 5886 | |
| 5887 | return 0; |
| 5888 | } |
| 5889 | |
| 5890 | /** |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 5891 | * s2io_register_test - reads and writes into all clock domains. |
| 5892 | * @sp : private member of the device structure, which is a pointer to the |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5893 | * s2io_nic structure. |
| 5894 | * @data : variable that returns the result of each of the test conducted b |
| 5895 | * by the driver. |
| 5896 | * Description: |
| 5897 | * Read and write into all clock domains. The NIC has 3 clock domains, |
| 5898 | * see that registers in all the three regions are accessible. |
| 5899 | * Return value: |
| 5900 | * 0 on success. |
| 5901 | */ |
| 5902 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5903 | static int s2io_register_test(struct s2io_nic *sp, uint64_t *data) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5904 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 5905 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 5906 | u64 val64 = 0, exp_val; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5907 | int fail = 0; |
| 5908 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 5909 | val64 = readq(&bar0->pif_rd_swapper_fb); |
| 5910 | if (val64 != 0x123456789abcdefULL) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5911 | fail = 1; |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 5912 | DBG_PRINT(INFO_DBG, "Read Test level %d fails\n", 1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5913 | } |
| 5914 | |
| 5915 | val64 = readq(&bar0->rmac_pause_cfg); |
| 5916 | if (val64 != 0xc000ffff00000000ULL) { |
| 5917 | fail = 1; |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 5918 | DBG_PRINT(INFO_DBG, "Read Test level %d fails\n", 2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5919 | } |
| 5920 | |
| 5921 | val64 = readq(&bar0->rx_queue_cfg); |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 5922 | if (sp->device_type == XFRAME_II_DEVICE) |
| 5923 | exp_val = 0x0404040404040404ULL; |
| 5924 | else |
| 5925 | exp_val = 0x0808080808080808ULL; |
| 5926 | if (val64 != exp_val) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5927 | fail = 1; |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 5928 | DBG_PRINT(INFO_DBG, "Read Test level %d fails\n", 3); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5929 | } |
| 5930 | |
| 5931 | val64 = readq(&bar0->xgxs_efifo_cfg); |
| 5932 | if (val64 != 0x000000001923141EULL) { |
| 5933 | fail = 1; |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 5934 | DBG_PRINT(INFO_DBG, "Read Test level %d fails\n", 4); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5935 | } |
| 5936 | |
| 5937 | val64 = 0x5A5A5A5A5A5A5A5AULL; |
| 5938 | writeq(val64, &bar0->xmsi_data); |
| 5939 | val64 = readq(&bar0->xmsi_data); |
| 5940 | if (val64 != 0x5A5A5A5A5A5A5A5AULL) { |
| 5941 | fail = 1; |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 5942 | DBG_PRINT(ERR_DBG, "Write Test level %d fails\n", 1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5943 | } |
| 5944 | |
| 5945 | val64 = 0xA5A5A5A5A5A5A5A5ULL; |
| 5946 | writeq(val64, &bar0->xmsi_data); |
| 5947 | val64 = readq(&bar0->xmsi_data); |
| 5948 | if (val64 != 0xA5A5A5A5A5A5A5A5ULL) { |
| 5949 | fail = 1; |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 5950 | DBG_PRINT(ERR_DBG, "Write Test level %d fails\n", 2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5951 | } |
| 5952 | |
| 5953 | *data = fail; |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 5954 | return fail; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5955 | } |
| 5956 | |
| 5957 | /** |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 5958 | * s2io_eeprom_test - to verify that EEprom in the xena can be programmed. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5959 | * @sp : private member of the device structure, which is a pointer to the |
| 5960 | * s2io_nic structure. |
| 5961 | * @data:variable that returns the result of each of the test conducted by |
| 5962 | * the driver. |
| 5963 | * Description: |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 5964 | * Verify that EEPROM in the xena can be programmed using I2C_CONTROL |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5965 | * register. |
| 5966 | * Return value: |
| 5967 | * 0 on success. |
| 5968 | */ |
| 5969 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5970 | static int s2io_eeprom_test(struct s2io_nic *sp, uint64_t *data) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5971 | { |
| 5972 | int fail = 0; |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 5973 | u64 ret_data, org_4F0, org_7F0; |
| 5974 | u8 saved_4F0 = 0, saved_7F0 = 0; |
| 5975 | struct net_device *dev = sp->dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5976 | |
| 5977 | /* Test Write Error at offset 0 */ |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 5978 | /* Note that SPI interface allows write access to all areas |
| 5979 | * of EEPROM. Hence doing all negative testing only for Xframe I. |
| 5980 | */ |
| 5981 | if (sp->device_type == XFRAME_I_DEVICE) |
| 5982 | if (!write_eeprom(sp, 0, 0, 3)) |
| 5983 | fail = 1; |
| 5984 | |
| 5985 | /* Save current values at offsets 0x4F0 and 0x7F0 */ |
| 5986 | if (!read_eeprom(sp, 0x4F0, &org_4F0)) |
| 5987 | saved_4F0 = 1; |
| 5988 | if (!read_eeprom(sp, 0x7F0, &org_7F0)) |
| 5989 | saved_7F0 = 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5990 | |
| 5991 | /* Test Write at offset 4f0 */ |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 5992 | if (write_eeprom(sp, 0x4F0, 0x012345, 3)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5993 | fail = 1; |
| 5994 | if (read_eeprom(sp, 0x4F0, &ret_data)) |
| 5995 | fail = 1; |
| 5996 | |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 5997 | if (ret_data != 0x012345) { |
Andrew Morton | 26b7625 | 2005-12-14 19:25:23 -0800 | [diff] [blame] | 5998 | DBG_PRINT(ERR_DBG, "%s: eeprom test error at offset 0x4F0. " |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 5999 | "Data written %llx Data read %llx\n", |
| 6000 | dev->name, (unsigned long long)0x12345, |
| 6001 | (unsigned long long)ret_data); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6002 | fail = 1; |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 6003 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6004 | |
| 6005 | /* Reset the EEPROM data go FFFF */ |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 6006 | write_eeprom(sp, 0x4F0, 0xFFFFFF, 3); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6007 | |
| 6008 | /* Test Write Request Error at offset 0x7c */ |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 6009 | if (sp->device_type == XFRAME_I_DEVICE) |
| 6010 | if (!write_eeprom(sp, 0x07C, 0, 3)) |
| 6011 | fail = 1; |
| 6012 | |
| 6013 | /* Test Write Request at offset 0x7f0 */ |
| 6014 | if (write_eeprom(sp, 0x7F0, 0x012345, 3)) |
| 6015 | fail = 1; |
| 6016 | if (read_eeprom(sp, 0x7F0, &ret_data)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6017 | fail = 1; |
| 6018 | |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 6019 | if (ret_data != 0x012345) { |
Andrew Morton | 26b7625 | 2005-12-14 19:25:23 -0800 | [diff] [blame] | 6020 | DBG_PRINT(ERR_DBG, "%s: eeprom test error at offset 0x7F0. " |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6021 | "Data written %llx Data read %llx\n", |
| 6022 | dev->name, (unsigned long long)0x12345, |
| 6023 | (unsigned long long)ret_data); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6024 | fail = 1; |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 6025 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6026 | |
| 6027 | /* Reset the EEPROM data go FFFF */ |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 6028 | write_eeprom(sp, 0x7F0, 0xFFFFFF, 3); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6029 | |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 6030 | if (sp->device_type == XFRAME_I_DEVICE) { |
| 6031 | /* Test Write Error at offset 0x80 */ |
| 6032 | if (!write_eeprom(sp, 0x080, 0, 3)) |
| 6033 | fail = 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6034 | |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 6035 | /* Test Write Error at offset 0xfc */ |
| 6036 | if (!write_eeprom(sp, 0x0FC, 0, 3)) |
| 6037 | fail = 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6038 | |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 6039 | /* Test Write Error at offset 0x100 */ |
| 6040 | if (!write_eeprom(sp, 0x100, 0, 3)) |
| 6041 | fail = 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6042 | |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 6043 | /* Test Write Error at offset 4ec */ |
| 6044 | if (!write_eeprom(sp, 0x4EC, 0, 3)) |
| 6045 | fail = 1; |
| 6046 | } |
| 6047 | |
| 6048 | /* Restore values at offsets 0x4F0 and 0x7F0 */ |
| 6049 | if (saved_4F0) |
| 6050 | write_eeprom(sp, 0x4F0, org_4F0, 3); |
| 6051 | if (saved_7F0) |
| 6052 | write_eeprom(sp, 0x7F0, org_7F0, 3); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6053 | |
| 6054 | *data = fail; |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 6055 | return fail; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6056 | } |
| 6057 | |
| 6058 | /** |
| 6059 | * s2io_bist_test - invokes the MemBist test of the card . |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 6060 | * @sp : private member of the device structure, which is a pointer to the |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6061 | * s2io_nic structure. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 6062 | * @data:variable that returns the result of each of the test conducted by |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6063 | * the driver. |
| 6064 | * Description: |
| 6065 | * This invokes the MemBist test of the card. We give around |
| 6066 | * 2 secs time for the Test to complete. If it's still not complete |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 6067 | * within this peiod, we consider that the test failed. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6068 | * Return value: |
| 6069 | * 0 on success and -1 on failure. |
| 6070 | */ |
| 6071 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6072 | static int s2io_bist_test(struct s2io_nic *sp, uint64_t *data) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6073 | { |
| 6074 | u8 bist = 0; |
| 6075 | int cnt = 0, ret = -1; |
| 6076 | |
| 6077 | pci_read_config_byte(sp->pdev, PCI_BIST, &bist); |
| 6078 | bist |= PCI_BIST_START; |
| 6079 | pci_write_config_word(sp->pdev, PCI_BIST, bist); |
| 6080 | |
| 6081 | while (cnt < 20) { |
| 6082 | pci_read_config_byte(sp->pdev, PCI_BIST, &bist); |
| 6083 | if (!(bist & PCI_BIST_START)) { |
| 6084 | *data = (bist & PCI_BIST_CODE_MASK); |
| 6085 | ret = 0; |
| 6086 | break; |
| 6087 | } |
| 6088 | msleep(100); |
| 6089 | cnt++; |
| 6090 | } |
| 6091 | |
| 6092 | return ret; |
| 6093 | } |
| 6094 | |
| 6095 | /** |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 6096 | * s2io-link_test - verifies the link state of the nic |
| 6097 | * @sp ; private member of the device structure, which is a pointer to the |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6098 | * s2io_nic structure. |
| 6099 | * @data: variable that returns the result of each of the test conducted by |
| 6100 | * the driver. |
| 6101 | * Description: |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 6102 | * The function verifies the link state of the NIC and updates the input |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6103 | * argument 'data' appropriately. |
| 6104 | * Return value: |
| 6105 | * 0 on success. |
| 6106 | */ |
| 6107 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6108 | static int s2io_link_test(struct s2io_nic *sp, uint64_t *data) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6109 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 6110 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6111 | u64 val64; |
| 6112 | |
| 6113 | val64 = readq(&bar0->adapter_status); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6114 | if (!(LINK_IS_UP(val64))) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6115 | *data = 1; |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 6116 | else |
| 6117 | *data = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6118 | |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 6119 | return *data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6120 | } |
| 6121 | |
| 6122 | /** |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 6123 | * s2io_rldram_test - offline test for access to the RldRam chip on the NIC |
| 6124 | * @sp - private member of the device structure, which is a pointer to the |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6125 | * s2io_nic structure. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 6126 | * @data - variable that returns the result of each of the test |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6127 | * conducted by the driver. |
| 6128 | * Description: |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 6129 | * This is one of the offline test that tests the read and write |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6130 | * access to the RldRam chip on the NIC. |
| 6131 | * Return value: |
| 6132 | * 0 on success. |
| 6133 | */ |
| 6134 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6135 | static int s2io_rldram_test(struct s2io_nic *sp, uint64_t *data) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6136 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 6137 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6138 | u64 val64; |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 6139 | int cnt, iteration = 0, test_fail = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6140 | |
| 6141 | val64 = readq(&bar0->adapter_control); |
| 6142 | val64 &= ~ADAPTER_ECC_EN; |
| 6143 | writeq(val64, &bar0->adapter_control); |
| 6144 | |
| 6145 | val64 = readq(&bar0->mc_rldram_test_ctrl); |
| 6146 | val64 |= MC_RLDRAM_TEST_MODE; |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 6147 | SPECIAL_REG_WRITE(val64, &bar0->mc_rldram_test_ctrl, LF); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6148 | |
| 6149 | val64 = readq(&bar0->mc_rldram_mrs); |
| 6150 | val64 |= MC_RLDRAM_QUEUE_SIZE_ENABLE; |
| 6151 | SPECIAL_REG_WRITE(val64, &bar0->mc_rldram_mrs, UF); |
| 6152 | |
| 6153 | val64 |= MC_RLDRAM_MRS_ENABLE; |
| 6154 | SPECIAL_REG_WRITE(val64, &bar0->mc_rldram_mrs, UF); |
| 6155 | |
| 6156 | while (iteration < 2) { |
| 6157 | val64 = 0x55555555aaaa0000ULL; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6158 | if (iteration == 1) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6159 | val64 ^= 0xFFFFFFFFFFFF0000ULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6160 | writeq(val64, &bar0->mc_rldram_test_d0); |
| 6161 | |
| 6162 | val64 = 0xaaaa5a5555550000ULL; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6163 | if (iteration == 1) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6164 | val64 ^= 0xFFFFFFFFFFFF0000ULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6165 | writeq(val64, &bar0->mc_rldram_test_d1); |
| 6166 | |
| 6167 | val64 = 0x55aaaaaaaa5a0000ULL; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6168 | if (iteration == 1) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6169 | val64 ^= 0xFFFFFFFFFFFF0000ULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6170 | writeq(val64, &bar0->mc_rldram_test_d2); |
| 6171 | |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 6172 | val64 = (u64) (0x0000003ffffe0100ULL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6173 | writeq(val64, &bar0->mc_rldram_test_add); |
| 6174 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6175 | val64 = MC_RLDRAM_TEST_MODE | |
| 6176 | MC_RLDRAM_TEST_WRITE | |
| 6177 | MC_RLDRAM_TEST_GO; |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 6178 | SPECIAL_REG_WRITE(val64, &bar0->mc_rldram_test_ctrl, LF); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6179 | |
| 6180 | for (cnt = 0; cnt < 5; cnt++) { |
| 6181 | val64 = readq(&bar0->mc_rldram_test_ctrl); |
| 6182 | if (val64 & MC_RLDRAM_TEST_DONE) |
| 6183 | break; |
| 6184 | msleep(200); |
| 6185 | } |
| 6186 | |
| 6187 | if (cnt == 5) |
| 6188 | break; |
| 6189 | |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 6190 | val64 = MC_RLDRAM_TEST_MODE | MC_RLDRAM_TEST_GO; |
| 6191 | SPECIAL_REG_WRITE(val64, &bar0->mc_rldram_test_ctrl, LF); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6192 | |
| 6193 | for (cnt = 0; cnt < 5; cnt++) { |
| 6194 | val64 = readq(&bar0->mc_rldram_test_ctrl); |
| 6195 | if (val64 & MC_RLDRAM_TEST_DONE) |
| 6196 | break; |
| 6197 | msleep(500); |
| 6198 | } |
| 6199 | |
| 6200 | if (cnt == 5) |
| 6201 | break; |
| 6202 | |
| 6203 | val64 = readq(&bar0->mc_rldram_test_ctrl); |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 6204 | if (!(val64 & MC_RLDRAM_TEST_PASS)) |
| 6205 | test_fail = 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6206 | |
| 6207 | iteration++; |
| 6208 | } |
| 6209 | |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 6210 | *data = test_fail; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6211 | |
ravinandan.arakali@neterion.com | ad4ebed | 2005-10-17 18:26:20 -0700 | [diff] [blame] | 6212 | /* Bring the adapter out of test mode */ |
| 6213 | SPECIAL_REG_WRITE(0, &bar0->mc_rldram_test_ctrl, LF); |
| 6214 | |
| 6215 | return test_fail; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6216 | } |
| 6217 | |
| 6218 | /** |
| 6219 | * s2io_ethtool_test - conducts 6 tsets to determine the health of card. |
| 6220 | * @sp : private member of the device structure, which is a pointer to the |
| 6221 | * s2io_nic structure. |
| 6222 | * @ethtest : pointer to a ethtool command specific structure that will be |
| 6223 | * returned to the user. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 6224 | * @data : variable that returns the result of each of the test |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6225 | * conducted by the driver. |
| 6226 | * Description: |
| 6227 | * This function conducts 6 tests ( 4 offline and 2 online) to determine |
| 6228 | * the health of the card. |
| 6229 | * Return value: |
| 6230 | * void |
| 6231 | */ |
| 6232 | |
| 6233 | static void s2io_ethtool_test(struct net_device *dev, |
| 6234 | struct ethtool_test *ethtest, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6235 | uint64_t *data) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6236 | { |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 6237 | struct s2io_nic *sp = netdev_priv(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6238 | int orig_state = netif_running(sp->dev); |
| 6239 | |
| 6240 | if (ethtest->flags == ETH_TEST_FL_OFFLINE) { |
| 6241 | /* Offline Tests. */ |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 6242 | if (orig_state) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6243 | s2io_close(sp->dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6244 | |
| 6245 | if (s2io_register_test(sp, &data[0])) |
| 6246 | ethtest->flags |= ETH_TEST_FL_FAILED; |
| 6247 | |
| 6248 | s2io_reset(sp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6249 | |
| 6250 | if (s2io_rldram_test(sp, &data[3])) |
| 6251 | ethtest->flags |= ETH_TEST_FL_FAILED; |
| 6252 | |
| 6253 | s2io_reset(sp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6254 | |
| 6255 | if (s2io_eeprom_test(sp, &data[1])) |
| 6256 | ethtest->flags |= ETH_TEST_FL_FAILED; |
| 6257 | |
| 6258 | if (s2io_bist_test(sp, &data[4])) |
| 6259 | ethtest->flags |= ETH_TEST_FL_FAILED; |
| 6260 | |
| 6261 | if (orig_state) |
| 6262 | s2io_open(sp->dev); |
| 6263 | |
| 6264 | data[2] = 0; |
| 6265 | } else { |
| 6266 | /* Online Tests. */ |
| 6267 | if (!orig_state) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6268 | DBG_PRINT(ERR_DBG, "%s: is not up, cannot run test\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6269 | dev->name); |
| 6270 | data[0] = -1; |
| 6271 | data[1] = -1; |
| 6272 | data[2] = -1; |
| 6273 | data[3] = -1; |
| 6274 | data[4] = -1; |
| 6275 | } |
| 6276 | |
| 6277 | if (s2io_link_test(sp, &data[2])) |
| 6278 | ethtest->flags |= ETH_TEST_FL_FAILED; |
| 6279 | |
| 6280 | data[0] = 0; |
| 6281 | data[1] = 0; |
| 6282 | data[3] = 0; |
| 6283 | data[4] = 0; |
| 6284 | } |
| 6285 | } |
| 6286 | |
| 6287 | static void s2io_get_ethtool_stats(struct net_device *dev, |
| 6288 | struct ethtool_stats *estats, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6289 | u64 *tmp_stats) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6290 | { |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 6291 | int i = 0, k; |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 6292 | struct s2io_nic *sp = netdev_priv(dev); |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6293 | struct stat_block *stats = sp->mac_control.stats_info; |
| 6294 | struct swStat *swstats = &stats->sw_stat; |
| 6295 | struct xpakStat *xstats = &stats->xpak_stat; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6296 | |
raghavendra.koushik@neterion.com | 7ba013a | 2005-08-03 12:29:20 -0700 | [diff] [blame] | 6297 | s2io_updt_stats(sp); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 6298 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6299 | (u64)le32_to_cpu(stats->tmac_frms_oflow) << 32 | |
| 6300 | le32_to_cpu(stats->tmac_frms); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 6301 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6302 | (u64)le32_to_cpu(stats->tmac_data_octets_oflow) << 32 | |
| 6303 | le32_to_cpu(stats->tmac_data_octets); |
| 6304 | tmp_stats[i++] = le64_to_cpu(stats->tmac_drop_frms); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 6305 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6306 | (u64)le32_to_cpu(stats->tmac_mcst_frms_oflow) << 32 | |
| 6307 | le32_to_cpu(stats->tmac_mcst_frms); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 6308 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6309 | (u64)le32_to_cpu(stats->tmac_bcst_frms_oflow) << 32 | |
| 6310 | le32_to_cpu(stats->tmac_bcst_frms); |
| 6311 | tmp_stats[i++] = le64_to_cpu(stats->tmac_pause_ctrl_frms); |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 6312 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6313 | (u64)le32_to_cpu(stats->tmac_ttl_octets_oflow) << 32 | |
| 6314 | le32_to_cpu(stats->tmac_ttl_octets); |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 6315 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6316 | (u64)le32_to_cpu(stats->tmac_ucst_frms_oflow) << 32 | |
| 6317 | le32_to_cpu(stats->tmac_ucst_frms); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6318 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6319 | (u64)le32_to_cpu(stats->tmac_nucst_frms_oflow) << 32 | |
| 6320 | le32_to_cpu(stats->tmac_nucst_frms); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 6321 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6322 | (u64)le32_to_cpu(stats->tmac_any_err_frms_oflow) << 32 | |
| 6323 | le32_to_cpu(stats->tmac_any_err_frms); |
| 6324 | tmp_stats[i++] = le64_to_cpu(stats->tmac_ttl_less_fb_octets); |
| 6325 | tmp_stats[i++] = le64_to_cpu(stats->tmac_vld_ip_octets); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 6326 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6327 | (u64)le32_to_cpu(stats->tmac_vld_ip_oflow) << 32 | |
| 6328 | le32_to_cpu(stats->tmac_vld_ip); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 6329 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6330 | (u64)le32_to_cpu(stats->tmac_drop_ip_oflow) << 32 | |
| 6331 | le32_to_cpu(stats->tmac_drop_ip); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 6332 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6333 | (u64)le32_to_cpu(stats->tmac_icmp_oflow) << 32 | |
| 6334 | le32_to_cpu(stats->tmac_icmp); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 6335 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6336 | (u64)le32_to_cpu(stats->tmac_rst_tcp_oflow) << 32 | |
| 6337 | le32_to_cpu(stats->tmac_rst_tcp); |
| 6338 | tmp_stats[i++] = le64_to_cpu(stats->tmac_tcp); |
| 6339 | tmp_stats[i++] = (u64)le32_to_cpu(stats->tmac_udp_oflow) << 32 | |
| 6340 | le32_to_cpu(stats->tmac_udp); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 6341 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6342 | (u64)le32_to_cpu(stats->rmac_vld_frms_oflow) << 32 | |
| 6343 | le32_to_cpu(stats->rmac_vld_frms); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 6344 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6345 | (u64)le32_to_cpu(stats->rmac_data_octets_oflow) << 32 | |
| 6346 | le32_to_cpu(stats->rmac_data_octets); |
| 6347 | tmp_stats[i++] = le64_to_cpu(stats->rmac_fcs_err_frms); |
| 6348 | tmp_stats[i++] = le64_to_cpu(stats->rmac_drop_frms); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 6349 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6350 | (u64)le32_to_cpu(stats->rmac_vld_mcst_frms_oflow) << 32 | |
| 6351 | le32_to_cpu(stats->rmac_vld_mcst_frms); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 6352 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6353 | (u64)le32_to_cpu(stats->rmac_vld_bcst_frms_oflow) << 32 | |
| 6354 | le32_to_cpu(stats->rmac_vld_bcst_frms); |
| 6355 | tmp_stats[i++] = le32_to_cpu(stats->rmac_in_rng_len_err_frms); |
| 6356 | tmp_stats[i++] = le32_to_cpu(stats->rmac_out_rng_len_err_frms); |
| 6357 | tmp_stats[i++] = le64_to_cpu(stats->rmac_long_frms); |
| 6358 | tmp_stats[i++] = le64_to_cpu(stats->rmac_pause_ctrl_frms); |
| 6359 | tmp_stats[i++] = le64_to_cpu(stats->rmac_unsup_ctrl_frms); |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 6360 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6361 | (u64)le32_to_cpu(stats->rmac_ttl_octets_oflow) << 32 | |
| 6362 | le32_to_cpu(stats->rmac_ttl_octets); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6363 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6364 | (u64)le32_to_cpu(stats->rmac_accepted_ucst_frms_oflow) << 32 |
| 6365 | | le32_to_cpu(stats->rmac_accepted_ucst_frms); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6366 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6367 | (u64)le32_to_cpu(stats->rmac_accepted_nucst_frms_oflow) |
| 6368 | << 32 | le32_to_cpu(stats->rmac_accepted_nucst_frms); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 6369 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6370 | (u64)le32_to_cpu(stats->rmac_discarded_frms_oflow) << 32 | |
| 6371 | le32_to_cpu(stats->rmac_discarded_frms); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6372 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6373 | (u64)le32_to_cpu(stats->rmac_drop_events_oflow) |
| 6374 | << 32 | le32_to_cpu(stats->rmac_drop_events); |
| 6375 | tmp_stats[i++] = le64_to_cpu(stats->rmac_ttl_less_fb_octets); |
| 6376 | tmp_stats[i++] = le64_to_cpu(stats->rmac_ttl_frms); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 6377 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6378 | (u64)le32_to_cpu(stats->rmac_usized_frms_oflow) << 32 | |
| 6379 | le32_to_cpu(stats->rmac_usized_frms); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 6380 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6381 | (u64)le32_to_cpu(stats->rmac_osized_frms_oflow) << 32 | |
| 6382 | le32_to_cpu(stats->rmac_osized_frms); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 6383 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6384 | (u64)le32_to_cpu(stats->rmac_frag_frms_oflow) << 32 | |
| 6385 | le32_to_cpu(stats->rmac_frag_frms); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 6386 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6387 | (u64)le32_to_cpu(stats->rmac_jabber_frms_oflow) << 32 | |
| 6388 | le32_to_cpu(stats->rmac_jabber_frms); |
| 6389 | tmp_stats[i++] = le64_to_cpu(stats->rmac_ttl_64_frms); |
| 6390 | tmp_stats[i++] = le64_to_cpu(stats->rmac_ttl_65_127_frms); |
| 6391 | tmp_stats[i++] = le64_to_cpu(stats->rmac_ttl_128_255_frms); |
| 6392 | tmp_stats[i++] = le64_to_cpu(stats->rmac_ttl_256_511_frms); |
| 6393 | tmp_stats[i++] = le64_to_cpu(stats->rmac_ttl_512_1023_frms); |
| 6394 | tmp_stats[i++] = le64_to_cpu(stats->rmac_ttl_1024_1518_frms); |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 6395 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6396 | (u64)le32_to_cpu(stats->rmac_ip_oflow) << 32 | |
| 6397 | le32_to_cpu(stats->rmac_ip); |
| 6398 | tmp_stats[i++] = le64_to_cpu(stats->rmac_ip_octets); |
| 6399 | tmp_stats[i++] = le32_to_cpu(stats->rmac_hdr_err_ip); |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 6400 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6401 | (u64)le32_to_cpu(stats->rmac_drop_ip_oflow) << 32 | |
| 6402 | le32_to_cpu(stats->rmac_drop_ip); |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 6403 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6404 | (u64)le32_to_cpu(stats->rmac_icmp_oflow) << 32 | |
| 6405 | le32_to_cpu(stats->rmac_icmp); |
| 6406 | tmp_stats[i++] = le64_to_cpu(stats->rmac_tcp); |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 6407 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6408 | (u64)le32_to_cpu(stats->rmac_udp_oflow) << 32 | |
| 6409 | le32_to_cpu(stats->rmac_udp); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 6410 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6411 | (u64)le32_to_cpu(stats->rmac_err_drp_udp_oflow) << 32 | |
| 6412 | le32_to_cpu(stats->rmac_err_drp_udp); |
| 6413 | tmp_stats[i++] = le64_to_cpu(stats->rmac_xgmii_err_sym); |
| 6414 | tmp_stats[i++] = le64_to_cpu(stats->rmac_frms_q0); |
| 6415 | tmp_stats[i++] = le64_to_cpu(stats->rmac_frms_q1); |
| 6416 | tmp_stats[i++] = le64_to_cpu(stats->rmac_frms_q2); |
| 6417 | tmp_stats[i++] = le64_to_cpu(stats->rmac_frms_q3); |
| 6418 | tmp_stats[i++] = le64_to_cpu(stats->rmac_frms_q4); |
| 6419 | tmp_stats[i++] = le64_to_cpu(stats->rmac_frms_q5); |
| 6420 | tmp_stats[i++] = le64_to_cpu(stats->rmac_frms_q6); |
| 6421 | tmp_stats[i++] = le64_to_cpu(stats->rmac_frms_q7); |
| 6422 | tmp_stats[i++] = le16_to_cpu(stats->rmac_full_q0); |
| 6423 | tmp_stats[i++] = le16_to_cpu(stats->rmac_full_q1); |
| 6424 | tmp_stats[i++] = le16_to_cpu(stats->rmac_full_q2); |
| 6425 | tmp_stats[i++] = le16_to_cpu(stats->rmac_full_q3); |
| 6426 | tmp_stats[i++] = le16_to_cpu(stats->rmac_full_q4); |
| 6427 | tmp_stats[i++] = le16_to_cpu(stats->rmac_full_q5); |
| 6428 | tmp_stats[i++] = le16_to_cpu(stats->rmac_full_q6); |
| 6429 | tmp_stats[i++] = le16_to_cpu(stats->rmac_full_q7); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 6430 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6431 | (u64)le32_to_cpu(stats->rmac_pause_cnt_oflow) << 32 | |
| 6432 | le32_to_cpu(stats->rmac_pause_cnt); |
| 6433 | tmp_stats[i++] = le64_to_cpu(stats->rmac_xgmii_data_err_cnt); |
| 6434 | tmp_stats[i++] = le64_to_cpu(stats->rmac_xgmii_ctrl_err_cnt); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 6435 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6436 | (u64)le32_to_cpu(stats->rmac_accepted_ip_oflow) << 32 | |
| 6437 | le32_to_cpu(stats->rmac_accepted_ip); |
| 6438 | tmp_stats[i++] = le32_to_cpu(stats->rmac_err_tcp); |
| 6439 | tmp_stats[i++] = le32_to_cpu(stats->rd_req_cnt); |
| 6440 | tmp_stats[i++] = le32_to_cpu(stats->new_rd_req_cnt); |
| 6441 | tmp_stats[i++] = le32_to_cpu(stats->new_rd_req_rtry_cnt); |
| 6442 | tmp_stats[i++] = le32_to_cpu(stats->rd_rtry_cnt); |
| 6443 | tmp_stats[i++] = le32_to_cpu(stats->wr_rtry_rd_ack_cnt); |
| 6444 | tmp_stats[i++] = le32_to_cpu(stats->wr_req_cnt); |
| 6445 | tmp_stats[i++] = le32_to_cpu(stats->new_wr_req_cnt); |
| 6446 | tmp_stats[i++] = le32_to_cpu(stats->new_wr_req_rtry_cnt); |
| 6447 | tmp_stats[i++] = le32_to_cpu(stats->wr_rtry_cnt); |
| 6448 | tmp_stats[i++] = le32_to_cpu(stats->wr_disc_cnt); |
| 6449 | tmp_stats[i++] = le32_to_cpu(stats->rd_rtry_wr_ack_cnt); |
| 6450 | tmp_stats[i++] = le32_to_cpu(stats->txp_wr_cnt); |
| 6451 | tmp_stats[i++] = le32_to_cpu(stats->txd_rd_cnt); |
| 6452 | tmp_stats[i++] = le32_to_cpu(stats->txd_wr_cnt); |
| 6453 | tmp_stats[i++] = le32_to_cpu(stats->rxd_rd_cnt); |
| 6454 | tmp_stats[i++] = le32_to_cpu(stats->rxd_wr_cnt); |
| 6455 | tmp_stats[i++] = le32_to_cpu(stats->txf_rd_cnt); |
| 6456 | tmp_stats[i++] = le32_to_cpu(stats->rxf_wr_cnt); |
Sivakumar Subramani | fa1f0cb | 2007-02-24 02:03:22 -0500 | [diff] [blame] | 6457 | |
| 6458 | /* Enhanced statistics exist only for Hercules */ |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6459 | if (sp->device_type == XFRAME_II_DEVICE) { |
Sivakumar Subramani | fa1f0cb | 2007-02-24 02:03:22 -0500 | [diff] [blame] | 6460 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6461 | le64_to_cpu(stats->rmac_ttl_1519_4095_frms); |
Sivakumar Subramani | fa1f0cb | 2007-02-24 02:03:22 -0500 | [diff] [blame] | 6462 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6463 | le64_to_cpu(stats->rmac_ttl_4096_8191_frms); |
Sivakumar Subramani | fa1f0cb | 2007-02-24 02:03:22 -0500 | [diff] [blame] | 6464 | tmp_stats[i++] = |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6465 | le64_to_cpu(stats->rmac_ttl_8192_max_frms); |
| 6466 | tmp_stats[i++] = le64_to_cpu(stats->rmac_ttl_gt_max_frms); |
| 6467 | tmp_stats[i++] = le64_to_cpu(stats->rmac_osized_alt_frms); |
| 6468 | tmp_stats[i++] = le64_to_cpu(stats->rmac_jabber_alt_frms); |
| 6469 | tmp_stats[i++] = le64_to_cpu(stats->rmac_gt_max_alt_frms); |
| 6470 | tmp_stats[i++] = le64_to_cpu(stats->rmac_vlan_frms); |
| 6471 | tmp_stats[i++] = le32_to_cpu(stats->rmac_len_discard); |
| 6472 | tmp_stats[i++] = le32_to_cpu(stats->rmac_fcs_discard); |
| 6473 | tmp_stats[i++] = le32_to_cpu(stats->rmac_pf_discard); |
| 6474 | tmp_stats[i++] = le32_to_cpu(stats->rmac_da_discard); |
| 6475 | tmp_stats[i++] = le32_to_cpu(stats->rmac_red_discard); |
| 6476 | tmp_stats[i++] = le32_to_cpu(stats->rmac_rts_discard); |
| 6477 | tmp_stats[i++] = le32_to_cpu(stats->rmac_ingm_full_discard); |
| 6478 | tmp_stats[i++] = le32_to_cpu(stats->link_fault_cnt); |
Sivakumar Subramani | fa1f0cb | 2007-02-24 02:03:22 -0500 | [diff] [blame] | 6479 | } |
| 6480 | |
raghavendra.koushik@neterion.com | 7ba013a | 2005-08-03 12:29:20 -0700 | [diff] [blame] | 6481 | tmp_stats[i++] = 0; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6482 | tmp_stats[i++] = swstats->single_ecc_errs; |
| 6483 | tmp_stats[i++] = swstats->double_ecc_errs; |
| 6484 | tmp_stats[i++] = swstats->parity_err_cnt; |
| 6485 | tmp_stats[i++] = swstats->serious_err_cnt; |
| 6486 | tmp_stats[i++] = swstats->soft_reset_cnt; |
| 6487 | tmp_stats[i++] = swstats->fifo_full_cnt; |
Sivakumar Subramani | 8116f3c | 2007-09-17 13:05:35 -0700 | [diff] [blame] | 6488 | for (k = 0; k < MAX_RX_RINGS; k++) |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6489 | tmp_stats[i++] = swstats->ring_full_cnt[k]; |
| 6490 | tmp_stats[i++] = xstats->alarm_transceiver_temp_high; |
| 6491 | tmp_stats[i++] = xstats->alarm_transceiver_temp_low; |
| 6492 | tmp_stats[i++] = xstats->alarm_laser_bias_current_high; |
| 6493 | tmp_stats[i++] = xstats->alarm_laser_bias_current_low; |
| 6494 | tmp_stats[i++] = xstats->alarm_laser_output_power_high; |
| 6495 | tmp_stats[i++] = xstats->alarm_laser_output_power_low; |
| 6496 | tmp_stats[i++] = xstats->warn_transceiver_temp_high; |
| 6497 | tmp_stats[i++] = xstats->warn_transceiver_temp_low; |
| 6498 | tmp_stats[i++] = xstats->warn_laser_bias_current_high; |
| 6499 | tmp_stats[i++] = xstats->warn_laser_bias_current_low; |
| 6500 | tmp_stats[i++] = xstats->warn_laser_output_power_high; |
| 6501 | tmp_stats[i++] = xstats->warn_laser_output_power_low; |
| 6502 | tmp_stats[i++] = swstats->clubbed_frms_cnt; |
| 6503 | tmp_stats[i++] = swstats->sending_both; |
| 6504 | tmp_stats[i++] = swstats->outof_sequence_pkts; |
| 6505 | tmp_stats[i++] = swstats->flush_max_pkts; |
| 6506 | if (swstats->num_aggregations) { |
| 6507 | u64 tmp = swstats->sum_avg_pkts_aggregated; |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 6508 | int count = 0; |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 6509 | /* |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 6510 | * Since 64-bit divide does not work on all platforms, |
| 6511 | * do repeated subtraction. |
| 6512 | */ |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6513 | while (tmp >= swstats->num_aggregations) { |
| 6514 | tmp -= swstats->num_aggregations; |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 6515 | count++; |
| 6516 | } |
| 6517 | tmp_stats[i++] = count; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6518 | } else |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 6519 | tmp_stats[i++] = 0; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6520 | tmp_stats[i++] = swstats->mem_alloc_fail_cnt; |
| 6521 | tmp_stats[i++] = swstats->pci_map_fail_cnt; |
| 6522 | tmp_stats[i++] = swstats->watchdog_timer_cnt; |
| 6523 | tmp_stats[i++] = swstats->mem_allocated; |
| 6524 | tmp_stats[i++] = swstats->mem_freed; |
| 6525 | tmp_stats[i++] = swstats->link_up_cnt; |
| 6526 | tmp_stats[i++] = swstats->link_down_cnt; |
| 6527 | tmp_stats[i++] = swstats->link_up_time; |
| 6528 | tmp_stats[i++] = swstats->link_down_time; |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 6529 | |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6530 | tmp_stats[i++] = swstats->tx_buf_abort_cnt; |
| 6531 | tmp_stats[i++] = swstats->tx_desc_abort_cnt; |
| 6532 | tmp_stats[i++] = swstats->tx_parity_err_cnt; |
| 6533 | tmp_stats[i++] = swstats->tx_link_loss_cnt; |
| 6534 | tmp_stats[i++] = swstats->tx_list_proc_err_cnt; |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 6535 | |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6536 | tmp_stats[i++] = swstats->rx_parity_err_cnt; |
| 6537 | tmp_stats[i++] = swstats->rx_abort_cnt; |
| 6538 | tmp_stats[i++] = swstats->rx_parity_abort_cnt; |
| 6539 | tmp_stats[i++] = swstats->rx_rda_fail_cnt; |
| 6540 | tmp_stats[i++] = swstats->rx_unkn_prot_cnt; |
| 6541 | tmp_stats[i++] = swstats->rx_fcs_err_cnt; |
| 6542 | tmp_stats[i++] = swstats->rx_buf_size_err_cnt; |
| 6543 | tmp_stats[i++] = swstats->rx_rxd_corrupt_cnt; |
| 6544 | tmp_stats[i++] = swstats->rx_unkn_err_cnt; |
| 6545 | tmp_stats[i++] = swstats->tda_err_cnt; |
| 6546 | tmp_stats[i++] = swstats->pfc_err_cnt; |
| 6547 | tmp_stats[i++] = swstats->pcc_err_cnt; |
| 6548 | tmp_stats[i++] = swstats->tti_err_cnt; |
| 6549 | tmp_stats[i++] = swstats->tpa_err_cnt; |
| 6550 | tmp_stats[i++] = swstats->sm_err_cnt; |
| 6551 | tmp_stats[i++] = swstats->lso_err_cnt; |
| 6552 | tmp_stats[i++] = swstats->mac_tmac_err_cnt; |
| 6553 | tmp_stats[i++] = swstats->mac_rmac_err_cnt; |
| 6554 | tmp_stats[i++] = swstats->xgxs_txgxs_err_cnt; |
| 6555 | tmp_stats[i++] = swstats->xgxs_rxgxs_err_cnt; |
| 6556 | tmp_stats[i++] = swstats->rc_err_cnt; |
| 6557 | tmp_stats[i++] = swstats->prc_pcix_err_cnt; |
| 6558 | tmp_stats[i++] = swstats->rpa_err_cnt; |
| 6559 | tmp_stats[i++] = swstats->rda_err_cnt; |
| 6560 | tmp_stats[i++] = swstats->rti_err_cnt; |
| 6561 | tmp_stats[i++] = swstats->mc_err_cnt; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6562 | } |
| 6563 | |
Adrian Bunk | ac1f60db | 2005-11-06 01:46:47 +0100 | [diff] [blame] | 6564 | static int s2io_ethtool_get_regs_len(struct net_device *dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6565 | { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6566 | return XENA_REG_SPACE; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6567 | } |
| 6568 | |
| 6569 | |
Adrian Bunk | ac1f60db | 2005-11-06 01:46:47 +0100 | [diff] [blame] | 6570 | static int s2io_get_eeprom_len(struct net_device *dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6571 | { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6572 | return XENA_EEPROM_SPACE; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6573 | } |
| 6574 | |
Jeff Garzik | b9f2c04 | 2007-10-03 18:07:32 -0700 | [diff] [blame] | 6575 | static int s2io_get_sset_count(struct net_device *dev, int sset) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6576 | { |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 6577 | struct s2io_nic *sp = netdev_priv(dev); |
Jeff Garzik | b9f2c04 | 2007-10-03 18:07:32 -0700 | [diff] [blame] | 6578 | |
| 6579 | switch (sset) { |
| 6580 | case ETH_SS_TEST: |
| 6581 | return S2IO_TEST_LEN; |
| 6582 | case ETH_SS_STATS: |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6583 | switch (sp->device_type) { |
Jeff Garzik | b9f2c04 | 2007-10-03 18:07:32 -0700 | [diff] [blame] | 6584 | case XFRAME_I_DEVICE: |
| 6585 | return XFRAME_I_STAT_LEN; |
| 6586 | case XFRAME_II_DEVICE: |
| 6587 | return XFRAME_II_STAT_LEN; |
| 6588 | default: |
| 6589 | return 0; |
| 6590 | } |
| 6591 | default: |
| 6592 | return -EOPNOTSUPP; |
| 6593 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6594 | } |
Adrian Bunk | ac1f60db | 2005-11-06 01:46:47 +0100 | [diff] [blame] | 6595 | |
| 6596 | static void s2io_ethtool_get_strings(struct net_device *dev, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6597 | u32 stringset, u8 *data) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6598 | { |
Sivakumar Subramani | fa1f0cb | 2007-02-24 02:03:22 -0500 | [diff] [blame] | 6599 | int stat_size = 0; |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 6600 | struct s2io_nic *sp = netdev_priv(dev); |
Sivakumar Subramani | fa1f0cb | 2007-02-24 02:03:22 -0500 | [diff] [blame] | 6601 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6602 | switch (stringset) { |
| 6603 | case ETH_SS_TEST: |
| 6604 | memcpy(data, s2io_gstrings, S2IO_STRINGS_LEN); |
| 6605 | break; |
| 6606 | case ETH_SS_STATS: |
Sivakumar Subramani | fa1f0cb | 2007-02-24 02:03:22 -0500 | [diff] [blame] | 6607 | stat_size = sizeof(ethtool_xena_stats_keys); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6608 | memcpy(data, ðtool_xena_stats_keys, stat_size); |
| 6609 | if (sp->device_type == XFRAME_II_DEVICE) { |
Sivakumar Subramani | fa1f0cb | 2007-02-24 02:03:22 -0500 | [diff] [blame] | 6610 | memcpy(data + stat_size, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6611 | ðtool_enhanced_stats_keys, |
| 6612 | sizeof(ethtool_enhanced_stats_keys)); |
Sivakumar Subramani | fa1f0cb | 2007-02-24 02:03:22 -0500 | [diff] [blame] | 6613 | stat_size += sizeof(ethtool_enhanced_stats_keys); |
| 6614 | } |
| 6615 | |
| 6616 | memcpy(data + stat_size, ðtool_driver_stats_keys, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6617 | sizeof(ethtool_driver_stats_keys)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6618 | } |
| 6619 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6620 | |
Michał Mirosław | b437a8c | 2011-04-18 13:31:20 +0000 | [diff] [blame] | 6621 | static int s2io_set_features(struct net_device *dev, u32 features) |
Jon Mason | 958de19 | 2010-06-24 18:45:10 +0000 | [diff] [blame] | 6622 | { |
| 6623 | struct s2io_nic *sp = netdev_priv(dev); |
Michał Mirosław | b437a8c | 2011-04-18 13:31:20 +0000 | [diff] [blame] | 6624 | u32 changed = (features ^ dev->features) & NETIF_F_LRO; |
Jon Mason | 958de19 | 2010-06-24 18:45:10 +0000 | [diff] [blame] | 6625 | |
| 6626 | if (changed && netif_running(dev)) { |
Michał Mirosław | b437a8c | 2011-04-18 13:31:20 +0000 | [diff] [blame] | 6627 | int rc; |
| 6628 | |
Jon Mason | 958de19 | 2010-06-24 18:45:10 +0000 | [diff] [blame] | 6629 | s2io_stop_all_tx_queue(sp); |
| 6630 | s2io_card_down(sp); |
Michał Mirosław | b437a8c | 2011-04-18 13:31:20 +0000 | [diff] [blame] | 6631 | dev->features = features; |
Jon Mason | 958de19 | 2010-06-24 18:45:10 +0000 | [diff] [blame] | 6632 | rc = s2io_card_up(sp); |
| 6633 | if (rc) |
| 6634 | s2io_reset(sp); |
| 6635 | else |
| 6636 | s2io_start_all_tx_queue(sp); |
Michał Mirosław | b437a8c | 2011-04-18 13:31:20 +0000 | [diff] [blame] | 6637 | |
| 6638 | return rc ? rc : 1; |
Jon Mason | 958de19 | 2010-06-24 18:45:10 +0000 | [diff] [blame] | 6639 | } |
| 6640 | |
Michał Mirosław | b437a8c | 2011-04-18 13:31:20 +0000 | [diff] [blame] | 6641 | return 0; |
Jon Mason | 958de19 | 2010-06-24 18:45:10 +0000 | [diff] [blame] | 6642 | } |
| 6643 | |
Jeff Garzik | 7282d49 | 2006-09-13 14:30:00 -0400 | [diff] [blame] | 6644 | static const struct ethtool_ops netdev_ethtool_ops = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6645 | .get_settings = s2io_ethtool_gset, |
| 6646 | .set_settings = s2io_ethtool_sset, |
| 6647 | .get_drvinfo = s2io_ethtool_gdrvinfo, |
| 6648 | .get_regs_len = s2io_ethtool_get_regs_len, |
| 6649 | .get_regs = s2io_ethtool_gregs, |
| 6650 | .get_link = ethtool_op_get_link, |
| 6651 | .get_eeprom_len = s2io_get_eeprom_len, |
| 6652 | .get_eeprom = s2io_ethtool_geeprom, |
| 6653 | .set_eeprom = s2io_ethtool_seeprom, |
Sreenivasa Honnur | 0cec35e | 2007-05-10 04:06:28 -0400 | [diff] [blame] | 6654 | .get_ringparam = s2io_ethtool_gringparam, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6655 | .get_pauseparam = s2io_ethtool_getpause_data, |
| 6656 | .set_pauseparam = s2io_ethtool_setpause_data, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6657 | .self_test = s2io_ethtool_test, |
| 6658 | .get_strings = s2io_ethtool_get_strings, |
stephen hemminger | 034e345 | 2011-04-04 15:09:25 +0000 | [diff] [blame] | 6659 | .set_phys_id = s2io_ethtool_set_led, |
Jeff Garzik | b9f2c04 | 2007-10-03 18:07:32 -0700 | [diff] [blame] | 6660 | .get_ethtool_stats = s2io_get_ethtool_stats, |
| 6661 | .get_sset_count = s2io_get_sset_count, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6662 | }; |
| 6663 | |
| 6664 | /** |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 6665 | * s2io_ioctl - Entry point for the Ioctl |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6666 | * @dev : Device pointer. |
| 6667 | * @ifr : An IOCTL specefic structure, that can contain a pointer to |
| 6668 | * a proprietary structure used to pass information to the driver. |
| 6669 | * @cmd : This is used to distinguish between the different commands that |
| 6670 | * can be passed to the IOCTL functions. |
| 6671 | * Description: |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 6672 | * Currently there are no special functionality supported in IOCTL, hence |
| 6673 | * function always return EOPNOTSUPPORTED |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6674 | */ |
| 6675 | |
Adrian Bunk | ac1f60db | 2005-11-06 01:46:47 +0100 | [diff] [blame] | 6676 | static int s2io_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6677 | { |
| 6678 | return -EOPNOTSUPP; |
| 6679 | } |
| 6680 | |
| 6681 | /** |
| 6682 | * s2io_change_mtu - entry point to change MTU size for the device. |
| 6683 | * @dev : device pointer. |
| 6684 | * @new_mtu : the new MTU size for the device. |
| 6685 | * Description: A driver entry point to change MTU size for the device. |
| 6686 | * Before changing the MTU the device must be stopped. |
| 6687 | * Return value: |
| 6688 | * 0 on success and an appropriate (-)ve integer as defined in errno.h |
| 6689 | * file on failure. |
| 6690 | */ |
| 6691 | |
Adrian Bunk | ac1f60db | 2005-11-06 01:46:47 +0100 | [diff] [blame] | 6692 | static int s2io_change_mtu(struct net_device *dev, int new_mtu) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6693 | { |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 6694 | struct s2io_nic *sp = netdev_priv(dev); |
Sreenivasa Honnur | 9f74ffd | 2007-11-30 01:46:08 -0500 | [diff] [blame] | 6695 | int ret = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6696 | |
| 6697 | if ((new_mtu < MIN_MTU) || (new_mtu > S2IO_JUMBO_SIZE)) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6698 | DBG_PRINT(ERR_DBG, "%s: MTU size is invalid.\n", dev->name); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6699 | return -EPERM; |
| 6700 | } |
| 6701 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6702 | dev->mtu = new_mtu; |
raghavendra.koushik@neterion.com | d8892c6 | 2005-08-03 12:33:12 -0700 | [diff] [blame] | 6703 | if (netif_running(dev)) { |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 6704 | s2io_stop_all_tx_queue(sp); |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 6705 | s2io_card_down(sp); |
Sreenivasa Honnur | 9f74ffd | 2007-11-30 01:46:08 -0500 | [diff] [blame] | 6706 | ret = s2io_card_up(sp); |
| 6707 | if (ret) { |
raghavendra.koushik@neterion.com | d8892c6 | 2005-08-03 12:33:12 -0700 | [diff] [blame] | 6708 | DBG_PRINT(ERR_DBG, "%s: Device bring up failed\n", |
Harvey Harrison | b39d66a | 2008-08-20 16:52:04 -0700 | [diff] [blame] | 6709 | __func__); |
Sreenivasa Honnur | 9f74ffd | 2007-11-30 01:46:08 -0500 | [diff] [blame] | 6710 | return ret; |
raghavendra.koushik@neterion.com | d8892c6 | 2005-08-03 12:33:12 -0700 | [diff] [blame] | 6711 | } |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 6712 | s2io_wake_all_tx_queue(sp); |
raghavendra.koushik@neterion.com | d8892c6 | 2005-08-03 12:33:12 -0700 | [diff] [blame] | 6713 | } else { /* Device is down */ |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 6714 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
raghavendra.koushik@neterion.com | d8892c6 | 2005-08-03 12:33:12 -0700 | [diff] [blame] | 6715 | u64 val64 = new_mtu; |
| 6716 | |
| 6717 | writeq(vBIT(val64, 2, 14), &bar0->rmac_max_pyld_len); |
| 6718 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6719 | |
Sreenivasa Honnur | 9f74ffd | 2007-11-30 01:46:08 -0500 | [diff] [blame] | 6720 | return ret; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6721 | } |
| 6722 | |
| 6723 | /** |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6724 | * s2io_set_link - Set the LInk status |
| 6725 | * @data: long pointer to device private structue |
| 6726 | * Description: Sets the link status for the adapter |
| 6727 | */ |
| 6728 | |
David Howells | c402895 | 2006-11-22 14:57:56 +0000 | [diff] [blame] | 6729 | static void s2io_set_link(struct work_struct *work) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6730 | { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6731 | struct s2io_nic *nic = container_of(work, struct s2io_nic, |
| 6732 | set_link_task); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6733 | struct net_device *dev = nic->dev; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 6734 | struct XENA_dev_config __iomem *bar0 = nic->bar0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6735 | register u64 val64; |
| 6736 | u16 subid; |
| 6737 | |
Francois Romieu | 22747d6 | 2007-02-15 23:37:50 +0100 | [diff] [blame] | 6738 | rtnl_lock(); |
| 6739 | |
| 6740 | if (!netif_running(dev)) |
| 6741 | goto out_unlock; |
| 6742 | |
Sivakumar Subramani | 92b8443 | 2007-09-06 06:51:14 -0400 | [diff] [blame] | 6743 | if (test_and_set_bit(__S2IO_STATE_LINK_TASK, &(nic->state))) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6744 | /* The card is being reset, no point doing anything */ |
Francois Romieu | 22747d6 | 2007-02-15 23:37:50 +0100 | [diff] [blame] | 6745 | goto out_unlock; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6746 | } |
| 6747 | |
| 6748 | subid = nic->pdev->subsystem_device; |
raghavendra.koushik@neterion.com | a371a07 | 2005-08-03 12:38:59 -0700 | [diff] [blame] | 6749 | if (s2io_link_fault_indication(nic) == MAC_RMAC_ERR_TIMER) { |
| 6750 | /* |
| 6751 | * Allow a small delay for the NICs self initiated |
| 6752 | * cleanup to complete. |
| 6753 | */ |
| 6754 | msleep(100); |
| 6755 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6756 | |
| 6757 | val64 = readq(&bar0->adapter_status); |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 6758 | if (LINK_IS_UP(val64)) { |
| 6759 | if (!(readq(&bar0->adapter_control) & ADAPTER_CNTL_EN)) { |
| 6760 | if (verify_xena_quiescence(nic)) { |
| 6761 | val64 = readq(&bar0->adapter_control); |
| 6762 | val64 |= ADAPTER_CNTL_EN; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6763 | writeq(val64, &bar0->adapter_control); |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 6764 | if (CARDS_WITH_FAULTY_LINK_INDICATORS( |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6765 | nic->device_type, subid)) { |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 6766 | val64 = readq(&bar0->gpio_control); |
| 6767 | val64 |= GPIO_CTRL_GPIO_0; |
| 6768 | writeq(val64, &bar0->gpio_control); |
| 6769 | val64 = readq(&bar0->gpio_control); |
| 6770 | } else { |
| 6771 | val64 |= ADAPTER_LED_ON; |
| 6772 | writeq(val64, &bar0->adapter_control); |
raghavendra.koushik@neterion.com | a371a07 | 2005-08-03 12:38:59 -0700 | [diff] [blame] | 6773 | } |
Tobias Klauser | f957bcf | 2009-06-04 23:07:59 +0000 | [diff] [blame] | 6774 | nic->device_enabled_once = true; |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 6775 | } else { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 6776 | DBG_PRINT(ERR_DBG, |
| 6777 | "%s: Error: device is not Quiescent\n", |
| 6778 | dev->name); |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 6779 | s2io_stop_all_tx_queue(nic); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6780 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6781 | } |
Sivakumar Subramani | 92c4879 | 2007-08-06 05:38:19 -0400 | [diff] [blame] | 6782 | val64 = readq(&bar0->adapter_control); |
| 6783 | val64 |= ADAPTER_LED_ON; |
| 6784 | writeq(val64, &bar0->adapter_control); |
| 6785 | s2io_link(nic, LINK_UP); |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 6786 | } else { |
| 6787 | if (CARDS_WITH_FAULTY_LINK_INDICATORS(nic->device_type, |
| 6788 | subid)) { |
| 6789 | val64 = readq(&bar0->gpio_control); |
| 6790 | val64 &= ~GPIO_CTRL_GPIO_0; |
| 6791 | writeq(val64, &bar0->gpio_control); |
| 6792 | val64 = readq(&bar0->gpio_control); |
| 6793 | } |
Sivakumar Subramani | 92c4879 | 2007-08-06 05:38:19 -0400 | [diff] [blame] | 6794 | /* turn off LED */ |
| 6795 | val64 = readq(&bar0->adapter_control); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6796 | val64 = val64 & (~ADAPTER_LED_ON); |
Sivakumar Subramani | 92c4879 | 2007-08-06 05:38:19 -0400 | [diff] [blame] | 6797 | writeq(val64, &bar0->adapter_control); |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 6798 | s2io_link(nic, LINK_DOWN); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6799 | } |
Sivakumar Subramani | 92b8443 | 2007-09-06 06:51:14 -0400 | [diff] [blame] | 6800 | clear_bit(__S2IO_STATE_LINK_TASK, &(nic->state)); |
Francois Romieu | 22747d6 | 2007-02-15 23:37:50 +0100 | [diff] [blame] | 6801 | |
| 6802 | out_unlock: |
Sivakumar Subramani | d8d70ca | 2007-02-24 02:04:24 -0500 | [diff] [blame] | 6803 | rtnl_unlock(); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6804 | } |
| 6805 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 6806 | static int set_rxd_buffer_pointer(struct s2io_nic *sp, struct RxD_t *rxdp, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6807 | struct buffAdd *ba, |
| 6808 | struct sk_buff **skb, u64 *temp0, u64 *temp1, |
| 6809 | u64 *temp2, int size) |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 6810 | { |
| 6811 | struct net_device *dev = sp->dev; |
Veena Parat | 491abf2 | 2007-07-23 02:37:14 -0400 | [diff] [blame] | 6812 | struct swStat *stats = &sp->mac_control.stats_info->sw_stat; |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 6813 | |
| 6814 | if ((sp->rxd_mode == RXD_MODE_1) && (rxdp->Host_Control == 0)) { |
Veena Parat | 6d517a2 | 2007-07-23 02:20:51 -0400 | [diff] [blame] | 6815 | struct RxD1 *rxdp1 = (struct RxD1 *)rxdp; |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 6816 | /* allocate skb */ |
| 6817 | if (*skb) { |
| 6818 | DBG_PRINT(INFO_DBG, "SKB is not NULL\n"); |
| 6819 | /* |
| 6820 | * As Rx frame are not going to be processed, |
| 6821 | * using same mapped address for the Rxd |
| 6822 | * buffer pointer |
| 6823 | */ |
Veena Parat | 6d517a2 | 2007-07-23 02:20:51 -0400 | [diff] [blame] | 6824 | rxdp1->Buffer0_ptr = *temp0; |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 6825 | } else { |
| 6826 | *skb = dev_alloc_skb(size); |
| 6827 | if (!(*skb)) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 6828 | DBG_PRINT(INFO_DBG, |
| 6829 | "%s: Out of memory to allocate %s\n", |
| 6830 | dev->name, "1 buf mode SKBs"); |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6831 | stats->mem_alloc_fail_cnt++; |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 6832 | return -ENOMEM ; |
| 6833 | } |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6834 | stats->mem_allocated += (*skb)->truesize; |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 6835 | /* storing the mapped addr in a temp variable |
| 6836 | * such it will be used for next rxd whose |
| 6837 | * Host Control is NULL |
| 6838 | */ |
Veena Parat | 6d517a2 | 2007-07-23 02:20:51 -0400 | [diff] [blame] | 6839 | rxdp1->Buffer0_ptr = *temp0 = |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6840 | pci_map_single(sp->pdev, (*skb)->data, |
| 6841 | size - NET_IP_ALIGN, |
| 6842 | PCI_DMA_FROMDEVICE); |
FUJITA Tomonori | 8d8bb39 | 2008-07-25 19:44:49 -0700 | [diff] [blame] | 6843 | if (pci_dma_mapping_error(sp->pdev, rxdp1->Buffer0_ptr)) |
Veena Parat | 491abf2 | 2007-07-23 02:37:14 -0400 | [diff] [blame] | 6844 | goto memalloc_failed; |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 6845 | rxdp->Host_Control = (unsigned long) (*skb); |
| 6846 | } |
| 6847 | } else if ((sp->rxd_mode == RXD_MODE_3B) && (rxdp->Host_Control == 0)) { |
Veena Parat | 6d517a2 | 2007-07-23 02:20:51 -0400 | [diff] [blame] | 6848 | struct RxD3 *rxdp3 = (struct RxD3 *)rxdp; |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 6849 | /* Two buffer Mode */ |
| 6850 | if (*skb) { |
Veena Parat | 6d517a2 | 2007-07-23 02:20:51 -0400 | [diff] [blame] | 6851 | rxdp3->Buffer2_ptr = *temp2; |
| 6852 | rxdp3->Buffer0_ptr = *temp0; |
| 6853 | rxdp3->Buffer1_ptr = *temp1; |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 6854 | } else { |
| 6855 | *skb = dev_alloc_skb(size); |
David Rientjes | 2ceaac7 | 2006-10-30 14:19:25 -0800 | [diff] [blame] | 6856 | if (!(*skb)) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 6857 | DBG_PRINT(INFO_DBG, |
| 6858 | "%s: Out of memory to allocate %s\n", |
| 6859 | dev->name, |
| 6860 | "2 buf mode SKBs"); |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6861 | stats->mem_alloc_fail_cnt++; |
David Rientjes | 2ceaac7 | 2006-10-30 14:19:25 -0800 | [diff] [blame] | 6862 | return -ENOMEM; |
| 6863 | } |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6864 | stats->mem_allocated += (*skb)->truesize; |
Veena Parat | 6d517a2 | 2007-07-23 02:20:51 -0400 | [diff] [blame] | 6865 | rxdp3->Buffer2_ptr = *temp2 = |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 6866 | pci_map_single(sp->pdev, (*skb)->data, |
| 6867 | dev->mtu + 4, |
| 6868 | PCI_DMA_FROMDEVICE); |
FUJITA Tomonori | 8d8bb39 | 2008-07-25 19:44:49 -0700 | [diff] [blame] | 6869 | if (pci_dma_mapping_error(sp->pdev, rxdp3->Buffer2_ptr)) |
Veena Parat | 491abf2 | 2007-07-23 02:37:14 -0400 | [diff] [blame] | 6870 | goto memalloc_failed; |
Veena Parat | 6d517a2 | 2007-07-23 02:20:51 -0400 | [diff] [blame] | 6871 | rxdp3->Buffer0_ptr = *temp0 = |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6872 | pci_map_single(sp->pdev, ba->ba_0, BUF0_LEN, |
| 6873 | PCI_DMA_FROMDEVICE); |
FUJITA Tomonori | 8d8bb39 | 2008-07-25 19:44:49 -0700 | [diff] [blame] | 6874 | if (pci_dma_mapping_error(sp->pdev, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6875 | rxdp3->Buffer0_ptr)) { |
| 6876 | pci_unmap_single(sp->pdev, |
| 6877 | (dma_addr_t)rxdp3->Buffer2_ptr, |
| 6878 | dev->mtu + 4, |
| 6879 | PCI_DMA_FROMDEVICE); |
Veena Parat | 491abf2 | 2007-07-23 02:37:14 -0400 | [diff] [blame] | 6880 | goto memalloc_failed; |
| 6881 | } |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 6882 | rxdp->Host_Control = (unsigned long) (*skb); |
| 6883 | |
| 6884 | /* Buffer-1 will be dummy buffer not used */ |
Veena Parat | 6d517a2 | 2007-07-23 02:20:51 -0400 | [diff] [blame] | 6885 | rxdp3->Buffer1_ptr = *temp1 = |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 6886 | pci_map_single(sp->pdev, ba->ba_1, BUF1_LEN, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6887 | PCI_DMA_FROMDEVICE); |
FUJITA Tomonori | 8d8bb39 | 2008-07-25 19:44:49 -0700 | [diff] [blame] | 6888 | if (pci_dma_mapping_error(sp->pdev, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6889 | rxdp3->Buffer1_ptr)) { |
| 6890 | pci_unmap_single(sp->pdev, |
| 6891 | (dma_addr_t)rxdp3->Buffer0_ptr, |
| 6892 | BUF0_LEN, PCI_DMA_FROMDEVICE); |
| 6893 | pci_unmap_single(sp->pdev, |
| 6894 | (dma_addr_t)rxdp3->Buffer2_ptr, |
| 6895 | dev->mtu + 4, |
| 6896 | PCI_DMA_FROMDEVICE); |
Veena Parat | 491abf2 | 2007-07-23 02:37:14 -0400 | [diff] [blame] | 6897 | goto memalloc_failed; |
| 6898 | } |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 6899 | } |
| 6900 | } |
| 6901 | return 0; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6902 | |
| 6903 | memalloc_failed: |
| 6904 | stats->pci_map_fail_cnt++; |
| 6905 | stats->mem_freed += (*skb)->truesize; |
| 6906 | dev_kfree_skb(*skb); |
| 6907 | return -ENOMEM; |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 6908 | } |
Veena Parat | 491abf2 | 2007-07-23 02:37:14 -0400 | [diff] [blame] | 6909 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 6910 | static void set_rxd_buffer_size(struct s2io_nic *sp, struct RxD_t *rxdp, |
| 6911 | int size) |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 6912 | { |
| 6913 | struct net_device *dev = sp->dev; |
| 6914 | if (sp->rxd_mode == RXD_MODE_1) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6915 | rxdp->Control_2 = SET_BUFFER0_SIZE_1(size - NET_IP_ALIGN); |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 6916 | } else if (sp->rxd_mode == RXD_MODE_3B) { |
| 6917 | rxdp->Control_2 = SET_BUFFER0_SIZE_3(BUF0_LEN); |
| 6918 | rxdp->Control_2 |= SET_BUFFER1_SIZE_3(1); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6919 | rxdp->Control_2 |= SET_BUFFER2_SIZE_3(dev->mtu + 4); |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 6920 | } |
| 6921 | } |
| 6922 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 6923 | static int rxd_owner_bit_reset(struct s2io_nic *sp) |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 6924 | { |
| 6925 | int i, j, k, blk_cnt = 0, size; |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 6926 | struct config_param *config = &sp->config; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 6927 | struct mac_info *mac_control = &sp->mac_control; |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 6928 | struct net_device *dev = sp->dev; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 6929 | struct RxD_t *rxdp = NULL; |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 6930 | struct sk_buff *skb = NULL; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 6931 | struct buffAdd *ba = NULL; |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 6932 | u64 temp0_64 = 0, temp1_64 = 0, temp2_64 = 0; |
| 6933 | |
| 6934 | /* Calculate the size based on ring mode */ |
| 6935 | size = dev->mtu + HEADER_ETHERNET_II_802_3_SIZE + |
| 6936 | HEADER_802_2_SIZE + HEADER_SNAP_SIZE; |
| 6937 | if (sp->rxd_mode == RXD_MODE_1) |
| 6938 | size += NET_IP_ALIGN; |
| 6939 | else if (sp->rxd_mode == RXD_MODE_3B) |
| 6940 | size = dev->mtu + ALIGN_SIZE + BUF0_LEN + 4; |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 6941 | |
| 6942 | for (i = 0; i < config->rx_ring_num; i++) { |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 6943 | struct rx_ring_config *rx_cfg = &config->rx_cfg[i]; |
| 6944 | struct ring_info *ring = &mac_control->rings[i]; |
| 6945 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6946 | blk_cnt = rx_cfg->num_rxd / (rxd_count[sp->rxd_mode] + 1); |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 6947 | |
| 6948 | for (j = 0; j < blk_cnt; j++) { |
| 6949 | for (k = 0; k < rxd_count[sp->rxd_mode]; k++) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6950 | rxdp = ring->rx_blocks[j].rxds[k].virt_addr; |
| 6951 | if (sp->rxd_mode == RXD_MODE_3B) |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 6952 | ba = &ring->ba[j][k]; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6953 | if (set_rxd_buffer_pointer(sp, rxdp, ba, &skb, |
| 6954 | (u64 *)&temp0_64, |
| 6955 | (u64 *)&temp1_64, |
| 6956 | (u64 *)&temp2_64, |
| 6957 | size) == -ENOMEM) { |
Sivakumar Subramani | ac1f90d | 2007-02-24 02:01:31 -0500 | [diff] [blame] | 6958 | return 0; |
| 6959 | } |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 6960 | |
| 6961 | set_rxd_buffer_size(sp, rxdp, size); |
| 6962 | wmb(); |
| 6963 | /* flip the Ownership bit to Hardware */ |
| 6964 | rxdp->Control_1 |= RXD_OWN_XENA; |
| 6965 | } |
| 6966 | } |
| 6967 | } |
| 6968 | return 0; |
| 6969 | |
| 6970 | } |
| 6971 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6972 | static int s2io_add_isr(struct s2io_nic *sp) |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 6973 | { |
| 6974 | int ret = 0; |
| 6975 | struct net_device *dev = sp->dev; |
| 6976 | int err = 0; |
| 6977 | |
Sivakumar Subramani | eaae7f7 | 2007-09-15 14:14:22 -0700 | [diff] [blame] | 6978 | if (sp->config.intr_type == MSI_X) |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 6979 | ret = s2io_enable_msi_x(sp); |
| 6980 | if (ret) { |
| 6981 | DBG_PRINT(ERR_DBG, "%s: Defaulting to INTA\n", dev->name); |
Sivakumar Subramani | eaae7f7 | 2007-09-15 14:14:22 -0700 | [diff] [blame] | 6982 | sp->config.intr_type = INTA; |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 6983 | } |
| 6984 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6985 | /* |
| 6986 | * Store the values of the MSIX table in |
| 6987 | * the struct s2io_nic structure |
| 6988 | */ |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 6989 | store_xmsi_data(sp); |
| 6990 | |
| 6991 | /* After proper initialization of H/W, register ISR */ |
Sivakumar Subramani | eaae7f7 | 2007-09-15 14:14:22 -0700 | [diff] [blame] | 6992 | if (sp->config.intr_type == MSI_X) { |
Sreenivasa Honnur | ac731ab | 2008-05-12 13:41:32 -0400 | [diff] [blame] | 6993 | int i, msix_rx_cnt = 0; |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 6994 | |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 6995 | for (i = 0; i < sp->num_entries; i++) { |
| 6996 | if (sp->s2io_entries[i].in_use == MSIX_FLG) { |
| 6997 | if (sp->s2io_entries[i].type == |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 6998 | MSIX_RING_TYPE) { |
Sreenivasa Honnur | ac731ab | 2008-05-12 13:41:32 -0400 | [diff] [blame] | 6999 | sprintf(sp->desc[i], "%s:MSI-X-%d-RX", |
| 7000 | dev->name, i); |
| 7001 | err = request_irq(sp->entries[i].vector, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7002 | s2io_msix_ring_handle, |
| 7003 | 0, |
| 7004 | sp->desc[i], |
| 7005 | sp->s2io_entries[i].arg); |
Sreenivasa Honnur | ac731ab | 2008-05-12 13:41:32 -0400 | [diff] [blame] | 7006 | } else if (sp->s2io_entries[i].type == |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7007 | MSIX_ALARM_TYPE) { |
Sreenivasa Honnur | ac731ab | 2008-05-12 13:41:32 -0400 | [diff] [blame] | 7008 | sprintf(sp->desc[i], "%s:MSI-X-%d-TX", |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7009 | dev->name, i); |
Sreenivasa Honnur | ac731ab | 2008-05-12 13:41:32 -0400 | [diff] [blame] | 7010 | err = request_irq(sp->entries[i].vector, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7011 | s2io_msix_fifo_handle, |
| 7012 | 0, |
| 7013 | sp->desc[i], |
| 7014 | sp->s2io_entries[i].arg); |
Sreenivasa Honnur | ac731ab | 2008-05-12 13:41:32 -0400 | [diff] [blame] | 7015 | |
Sivakumar Subramani | fb6a825 | 2007-02-24 01:51:50 -0500 | [diff] [blame] | 7016 | } |
Sreenivasa Honnur | ac731ab | 2008-05-12 13:41:32 -0400 | [diff] [blame] | 7017 | /* if either data or addr is zero print it. */ |
| 7018 | if (!(sp->msix_info[i].addr && |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7019 | sp->msix_info[i].data)) { |
Sreenivasa Honnur | ac731ab | 2008-05-12 13:41:32 -0400 | [diff] [blame] | 7020 | DBG_PRINT(ERR_DBG, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7021 | "%s @Addr:0x%llx Data:0x%llx\n", |
| 7022 | sp->desc[i], |
| 7023 | (unsigned long long) |
| 7024 | sp->msix_info[i].addr, |
| 7025 | (unsigned long long) |
| 7026 | ntohl(sp->msix_info[i].data)); |
Sreenivasa Honnur | ac731ab | 2008-05-12 13:41:32 -0400 | [diff] [blame] | 7027 | } else |
Sivakumar Subramani | fb6a825 | 2007-02-24 01:51:50 -0500 | [diff] [blame] | 7028 | msix_rx_cnt++; |
Sreenivasa Honnur | ac731ab | 2008-05-12 13:41:32 -0400 | [diff] [blame] | 7029 | if (err) { |
| 7030 | remove_msix_isr(sp); |
| 7031 | |
| 7032 | DBG_PRINT(ERR_DBG, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7033 | "%s:MSI-X-%d registration " |
| 7034 | "failed\n", dev->name, i); |
Sreenivasa Honnur | ac731ab | 2008-05-12 13:41:32 -0400 | [diff] [blame] | 7035 | |
| 7036 | DBG_PRINT(ERR_DBG, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7037 | "%s: Defaulting to INTA\n", |
| 7038 | dev->name); |
Sreenivasa Honnur | ac731ab | 2008-05-12 13:41:32 -0400 | [diff] [blame] | 7039 | sp->config.intr_type = INTA; |
| 7040 | break; |
Sivakumar Subramani | fb6a825 | 2007-02-24 01:51:50 -0500 | [diff] [blame] | 7041 | } |
Sreenivasa Honnur | ac731ab | 2008-05-12 13:41:32 -0400 | [diff] [blame] | 7042 | sp->s2io_entries[i].in_use = |
| 7043 | MSIX_REGISTERED_SUCCESS; |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 7044 | } |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 7045 | } |
Sreenivasa Honnur | 18b2b7b | 2007-11-14 01:41:06 -0800 | [diff] [blame] | 7046 | if (!err) { |
Joe Perches | 6cef2b8e | 2009-08-24 17:29:45 +0000 | [diff] [blame] | 7047 | pr_info("MSI-X-RX %d entries enabled\n", --msix_rx_cnt); |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 7048 | DBG_PRINT(INFO_DBG, |
| 7049 | "MSI-X-TX entries enabled through alarm vector\n"); |
Sreenivasa Honnur | 18b2b7b | 2007-11-14 01:41:06 -0800 | [diff] [blame] | 7050 | } |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 7051 | } |
Sivakumar Subramani | eaae7f7 | 2007-09-15 14:14:22 -0700 | [diff] [blame] | 7052 | if (sp->config.intr_type == INTA) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7053 | err = request_irq((int)sp->pdev->irq, s2io_isr, IRQF_SHARED, |
| 7054 | sp->name, dev); |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 7055 | if (err) { |
| 7056 | DBG_PRINT(ERR_DBG, "%s: ISR registration failed\n", |
| 7057 | dev->name); |
| 7058 | return -1; |
| 7059 | } |
| 7060 | } |
| 7061 | return 0; |
| 7062 | } |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7063 | |
| 7064 | static void s2io_rem_isr(struct s2io_nic *sp) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7065 | { |
Sreenivasa Honnur | 18b2b7b | 2007-11-14 01:41:06 -0800 | [diff] [blame] | 7066 | if (sp->config.intr_type == MSI_X) |
| 7067 | remove_msix_isr(sp); |
| 7068 | else |
| 7069 | remove_inta_isr(sp); |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 7070 | } |
| 7071 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7072 | static void do_s2io_card_down(struct s2io_nic *sp, int do_io) |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 7073 | { |
| 7074 | int cnt = 0; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 7075 | struct XENA_dev_config __iomem *bar0 = sp->bar0; |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 7076 | register u64 val64 = 0; |
Sreenivasa Honnur | 5f490c9 | 2008-01-14 20:23:04 -0500 | [diff] [blame] | 7077 | struct config_param *config; |
| 7078 | config = &sp->config; |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 7079 | |
Sreenivasa Honnur | 9f74ffd | 2007-11-30 01:46:08 -0500 | [diff] [blame] | 7080 | if (!is_s2io_card_up(sp)) |
| 7081 | return; |
| 7082 | |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 7083 | del_timer_sync(&sp->alarm_timer); |
| 7084 | /* If s2io_set_link task is executing, wait till it completes. */ |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7085 | while (test_and_set_bit(__S2IO_STATE_LINK_TASK, &(sp->state))) |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 7086 | msleep(50); |
Sivakumar Subramani | 92b8443 | 2007-09-06 06:51:14 -0400 | [diff] [blame] | 7087 | clear_bit(__S2IO_STATE_CARD_UP, &sp->state); |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 7088 | |
Sreenivasa Honnur | 5f490c9 | 2008-01-14 20:23:04 -0500 | [diff] [blame] | 7089 | /* Disable napi */ |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 7090 | if (sp->config.napi) { |
| 7091 | int off = 0; |
| 7092 | if (config->intr_type == MSI_X) { |
| 7093 | for (; off < sp->config.rx_ring_num; off++) |
| 7094 | napi_disable(&sp->mac_control.rings[off].napi); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7095 | } |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 7096 | else |
| 7097 | napi_disable(&sp->napi); |
| 7098 | } |
Sreenivasa Honnur | 5f490c9 | 2008-01-14 20:23:04 -0500 | [diff] [blame] | 7099 | |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 7100 | /* disable Tx and Rx traffic on the NIC */ |
Linas Vepstas | d796fdb | 2007-05-14 18:37:30 -0500 | [diff] [blame] | 7101 | if (do_io) |
| 7102 | stop_nic(sp); |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 7103 | |
| 7104 | s2io_rem_isr(sp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7105 | |
Sreenivasa Honnur | 01e16fa | 2008-07-09 23:49:21 -0400 | [diff] [blame] | 7106 | /* stop the tx queue, indicate link down */ |
| 7107 | s2io_link(sp, LINK_DOWN); |
| 7108 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7109 | /* Check if the device is Quiescent and then Reset the NIC */ |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7110 | while (do_io) { |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 7111 | /* As per the HW requirement we need to replenish the |
| 7112 | * receive buffer to avoid the ring bump. Since there is |
| 7113 | * no intention of processing the Rx frame at this pointwe are |
Justin P. Mattock | 70f23fd | 2011-05-10 10:16:21 +0200 | [diff] [blame] | 7114 | * just setting the ownership bit of rxd in Each Rx |
Ananda Raju | 5d3213c | 2006-04-21 19:23:26 -0400 | [diff] [blame] | 7115 | * ring to HW and set the appropriate buffer size |
| 7116 | * based on the ring mode |
| 7117 | */ |
| 7118 | rxd_owner_bit_reset(sp); |
| 7119 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7120 | val64 = readq(&bar0->adapter_status); |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 7121 | if (verify_xena_quiescence(sp)) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7122 | if (verify_pcc_quiescent(sp, sp->device_enabled_once)) |
| 7123 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7124 | } |
| 7125 | |
| 7126 | msleep(50); |
| 7127 | cnt++; |
| 7128 | if (cnt == 10) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 7129 | DBG_PRINT(ERR_DBG, "Device not Quiescent - " |
| 7130 | "adapter status reads 0x%llx\n", |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7131 | (unsigned long long)val64); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7132 | break; |
| 7133 | } |
Linas Vepstas | d796fdb | 2007-05-14 18:37:30 -0500 | [diff] [blame] | 7134 | } |
| 7135 | if (do_io) |
| 7136 | s2io_reset(sp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7137 | |
raghavendra.koushik@neterion.com | 7ba013a | 2005-08-03 12:29:20 -0700 | [diff] [blame] | 7138 | /* Free all Tx buffers */ |
| 7139 | free_tx_buffers(sp); |
raghavendra.koushik@neterion.com | 7ba013a | 2005-08-03 12:29:20 -0700 | [diff] [blame] | 7140 | |
| 7141 | /* Free all Rx buffers */ |
raghavendra.koushik@neterion.com | 7ba013a | 2005-08-03 12:29:20 -0700 | [diff] [blame] | 7142 | free_rx_buffers(sp); |
raghavendra.koushik@neterion.com | 7ba013a | 2005-08-03 12:29:20 -0700 | [diff] [blame] | 7143 | |
Sivakumar Subramani | 92b8443 | 2007-09-06 06:51:14 -0400 | [diff] [blame] | 7144 | clear_bit(__S2IO_STATE_LINK_TASK, &(sp->state)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7145 | } |
| 7146 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7147 | static void s2io_card_down(struct s2io_nic *sp) |
Linas Vepstas | d796fdb | 2007-05-14 18:37:30 -0500 | [diff] [blame] | 7148 | { |
| 7149 | do_s2io_card_down(sp, 1); |
| 7150 | } |
| 7151 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7152 | static int s2io_card_up(struct s2io_nic *sp) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7153 | { |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 7154 | int i, ret = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7155 | struct config_param *config; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 7156 | struct mac_info *mac_control; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7157 | struct net_device *dev = (struct net_device *)sp->dev; |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 7158 | u16 interruptible; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7159 | |
| 7160 | /* Initialize the H/W I/O registers */ |
Sreenivasa Honnur | 9f74ffd | 2007-11-30 01:46:08 -0500 | [diff] [blame] | 7161 | ret = init_nic(sp); |
| 7162 | if (ret != 0) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7163 | DBG_PRINT(ERR_DBG, "%s: H/W initialization failed\n", |
| 7164 | dev->name); |
Sreenivasa Honnur | 9f74ffd | 2007-11-30 01:46:08 -0500 | [diff] [blame] | 7165 | if (ret != -EIO) |
| 7166 | s2io_reset(sp); |
| 7167 | return ret; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7168 | } |
| 7169 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 7170 | /* |
| 7171 | * Initializing the Rx buffers. For now we are considering only 1 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7172 | * Rx ring and initializing buffers into 30 Rx blocks |
| 7173 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7174 | config = &sp->config; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 7175 | mac_control = &sp->mac_control; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7176 | |
| 7177 | for (i = 0; i < config->rx_ring_num; i++) { |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 7178 | struct ring_info *ring = &mac_control->rings[i]; |
| 7179 | |
| 7180 | ring->mtu = dev->mtu; |
Amerigo Wang | f0c54ac | 2010-08-25 00:23:39 +0000 | [diff] [blame] | 7181 | ring->lro = !!(dev->features & NETIF_F_LRO); |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 7182 | ret = fill_rx_buffers(sp, ring, 1); |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 7183 | if (ret) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7184 | DBG_PRINT(ERR_DBG, "%s: Out of memory in Open\n", |
| 7185 | dev->name); |
| 7186 | s2io_reset(sp); |
| 7187 | free_rx_buffers(sp); |
| 7188 | return -ENOMEM; |
| 7189 | } |
| 7190 | DBG_PRINT(INFO_DBG, "Buf in ring:%d is %d:\n", i, |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 7191 | ring->rx_bufs_left); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7192 | } |
Sreenivasa Honnur | 5f490c9 | 2008-01-14 20:23:04 -0500 | [diff] [blame] | 7193 | |
| 7194 | /* Initialise napi */ |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 7195 | if (config->napi) { |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 7196 | if (config->intr_type == MSI_X) { |
| 7197 | for (i = 0; i < sp->config.rx_ring_num; i++) |
| 7198 | napi_enable(&sp->mac_control.rings[i].napi); |
| 7199 | } else { |
| 7200 | napi_enable(&sp->napi); |
| 7201 | } |
| 7202 | } |
Sreenivasa Honnur | 5f490c9 | 2008-01-14 20:23:04 -0500 | [diff] [blame] | 7203 | |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 7204 | /* Maintain the state prior to the open */ |
| 7205 | if (sp->promisc_flg) |
| 7206 | sp->promisc_flg = 0; |
| 7207 | if (sp->m_cast_flg) { |
| 7208 | sp->m_cast_flg = 0; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7209 | sp->all_multi_pos = 0; |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 7210 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7211 | |
| 7212 | /* Setting its receive mode */ |
| 7213 | s2io_set_multicast(dev); |
| 7214 | |
Amerigo Wang | f0c54ac | 2010-08-25 00:23:39 +0000 | [diff] [blame] | 7215 | if (dev->features & NETIF_F_LRO) { |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 7216 | /* Initialize max aggregatable pkts per session based on MTU */ |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 7217 | sp->lro_max_aggr_per_sess = ((1<<16) - 1) / dev->mtu; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7218 | /* Check if we can use (if specified) user provided value */ |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 7219 | if (lro_max_pkts < sp->lro_max_aggr_per_sess) |
| 7220 | sp->lro_max_aggr_per_sess = lro_max_pkts; |
| 7221 | } |
| 7222 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7223 | /* Enable Rx Traffic and interrupts on the NIC */ |
| 7224 | if (start_nic(sp)) { |
| 7225 | DBG_PRINT(ERR_DBG, "%s: Starting NIC failed\n", dev->name); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7226 | s2io_reset(sp); |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 7227 | free_rx_buffers(sp); |
| 7228 | return -ENODEV; |
| 7229 | } |
| 7230 | |
| 7231 | /* Add interrupt service routine */ |
| 7232 | if (s2io_add_isr(sp) != 0) { |
Sivakumar Subramani | eaae7f7 | 2007-09-15 14:14:22 -0700 | [diff] [blame] | 7233 | if (sp->config.intr_type == MSI_X) |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 7234 | s2io_rem_isr(sp); |
| 7235 | s2io_reset(sp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7236 | free_rx_buffers(sp); |
| 7237 | return -ENODEV; |
| 7238 | } |
| 7239 | |
raghavendra.koushik@neterion.com | 25fff88 | 2005-08-03 12:34:11 -0700 | [diff] [blame] | 7240 | S2IO_TIMER_CONF(sp->alarm_timer, s2io_alarm_handle, sp, (HZ/2)); |
| 7241 | |
Sreenivasa Honnur | 01e16fa | 2008-07-09 23:49:21 -0400 | [diff] [blame] | 7242 | set_bit(__S2IO_STATE_CARD_UP, &sp->state); |
| 7243 | |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 7244 | /* Enable select interrupts */ |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 7245 | en_dis_err_alarms(sp, ENA_ALL_INTRS, ENABLE_INTRS); |
Sreenivasa Honnur | 01e16fa | 2008-07-09 23:49:21 -0400 | [diff] [blame] | 7246 | if (sp->config.intr_type != INTA) { |
| 7247 | interruptible = TX_TRAFFIC_INTR | TX_PIC_INTR; |
| 7248 | en_dis_able_nic_intrs(sp, interruptible, ENABLE_INTRS); |
| 7249 | } else { |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 7250 | interruptible = TX_TRAFFIC_INTR | RX_TRAFFIC_INTR; |
Sivakumar Subramani | 9caab45 | 2007-09-06 06:21:54 -0400 | [diff] [blame] | 7251 | interruptible |= TX_PIC_INTR; |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 7252 | en_dis_able_nic_intrs(sp, interruptible, ENABLE_INTRS); |
| 7253 | } |
| 7254 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7255 | return 0; |
| 7256 | } |
| 7257 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 7258 | /** |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7259 | * s2io_restart_nic - Resets the NIC. |
| 7260 | * @data : long pointer to the device private structure |
| 7261 | * Description: |
| 7262 | * This function is scheduled to be run by the s2io_tx_watchdog |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 7263 | * function after 0.5 secs to reset the NIC. The idea is to reduce |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7264 | * the run time of the watch dog routine which is run holding a |
| 7265 | * spin lock. |
| 7266 | */ |
| 7267 | |
David Howells | c402895 | 2006-11-22 14:57:56 +0000 | [diff] [blame] | 7268 | static void s2io_restart_nic(struct work_struct *work) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7269 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 7270 | struct s2io_nic *sp = container_of(work, struct s2io_nic, rst_timer_task); |
David Howells | c402895 | 2006-11-22 14:57:56 +0000 | [diff] [blame] | 7271 | struct net_device *dev = sp->dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7272 | |
Francois Romieu | 22747d6 | 2007-02-15 23:37:50 +0100 | [diff] [blame] | 7273 | rtnl_lock(); |
| 7274 | |
| 7275 | if (!netif_running(dev)) |
| 7276 | goto out_unlock; |
| 7277 | |
Ananda Raju | e6a8fee | 2006-07-06 23:58:23 -0700 | [diff] [blame] | 7278 | s2io_card_down(sp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7279 | if (s2io_card_up(sp)) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7280 | DBG_PRINT(ERR_DBG, "%s: Device bring up failed\n", dev->name); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7281 | } |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 7282 | s2io_wake_all_tx_queue(sp); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7283 | DBG_PRINT(ERR_DBG, "%s: was reset by Tx watchdog timer\n", dev->name); |
Francois Romieu | 22747d6 | 2007-02-15 23:37:50 +0100 | [diff] [blame] | 7284 | out_unlock: |
| 7285 | rtnl_unlock(); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7286 | } |
| 7287 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 7288 | /** |
| 7289 | * s2io_tx_watchdog - Watchdog for transmit side. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7290 | * @dev : Pointer to net device structure |
| 7291 | * Description: |
| 7292 | * This function is triggered if the Tx Queue is stopped |
| 7293 | * for a pre-defined amount of time when the Interface is still up. |
| 7294 | * If the Interface is jammed in such a situation, the hardware is |
| 7295 | * reset (by s2io_close) and restarted again (by s2io_open) to |
| 7296 | * overcome any problem that might have been caused in the hardware. |
| 7297 | * Return value: |
| 7298 | * void |
| 7299 | */ |
| 7300 | |
| 7301 | static void s2io_tx_watchdog(struct net_device *dev) |
| 7302 | { |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 7303 | struct s2io_nic *sp = netdev_priv(dev); |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 7304 | struct swStat *swstats = &sp->mac_control.stats_info->sw_stat; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7305 | |
| 7306 | if (netif_carrier_ok(dev)) { |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 7307 | swstats->watchdog_timer_cnt++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7308 | schedule_work(&sp->rst_timer_task); |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 7309 | swstats->soft_reset_cnt++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7310 | } |
| 7311 | } |
| 7312 | |
| 7313 | /** |
| 7314 | * rx_osm_handler - To perform some OS related operations on SKB. |
| 7315 | * @sp: private member of the device structure,pointer to s2io_nic structure. |
| 7316 | * @skb : the socket buffer pointer. |
| 7317 | * @len : length of the packet |
| 7318 | * @cksum : FCS checksum of the frame. |
| 7319 | * @ring_no : the ring from which this RxD was extracted. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 7320 | * Description: |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 7321 | * This function is called by the Rx interrupt serivce routine to perform |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7322 | * some OS related operations on the SKB before passing it to the upper |
| 7323 | * layers. It mainly checks if the checksum is OK, if so adds it to the |
| 7324 | * SKBs cksum variable, increments the Rx packet count and passes the SKB |
| 7325 | * to the upper layer. If the checksum is wrong, it increments the Rx |
| 7326 | * packet error count, frees the SKB and returns error. |
| 7327 | * Return value: |
| 7328 | * SUCCESS on success and -1 on failure. |
| 7329 | */ |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 7330 | static int rx_osm_handler(struct ring_info *ring_data, struct RxD_t * rxdp) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7331 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 7332 | struct s2io_nic *sp = ring_data->nic; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7333 | struct net_device *dev = (struct net_device *)ring_data->dev; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 7334 | struct sk_buff *skb = (struct sk_buff *) |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7335 | ((unsigned long)rxdp->Host_Control); |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 7336 | int ring_no = ring_data->ring_no; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7337 | u16 l3_csum, l4_csum; |
Ananda Raju | 863c11a | 2006-04-21 19:03:13 -0400 | [diff] [blame] | 7338 | unsigned long long err = rxdp->Control_1 & RXD_T_CODE; |
Ingo Molnar | 2e6a684 | 2008-11-25 16:47:35 -0800 | [diff] [blame] | 7339 | struct lro *uninitialized_var(lro); |
Olaf Hering | f9046eb | 2007-06-19 22:41:10 +0200 | [diff] [blame] | 7340 | u8 err_mask; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 7341 | struct swStat *swstats = &sp->mac_control.stats_info->sw_stat; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 7342 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 7343 | skb->dev = dev; |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 7344 | |
Ananda Raju | 863c11a | 2006-04-21 19:03:13 -0400 | [diff] [blame] | 7345 | if (err) { |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 7346 | /* Check for parity error */ |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7347 | if (err & 0x1) |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 7348 | swstats->parity_err_cnt++; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7349 | |
Olaf Hering | f9046eb | 2007-06-19 22:41:10 +0200 | [diff] [blame] | 7350 | err_mask = err >> 48; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7351 | switch (err_mask) { |
| 7352 | case 1: |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 7353 | swstats->rx_parity_err_cnt++; |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 7354 | break; |
Ananda Raju | bd1034f | 2006-04-21 19:20:22 -0400 | [diff] [blame] | 7355 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7356 | case 2: |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 7357 | swstats->rx_abort_cnt++; |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 7358 | break; |
| 7359 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7360 | case 3: |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 7361 | swstats->rx_parity_abort_cnt++; |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 7362 | break; |
| 7363 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7364 | case 4: |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 7365 | swstats->rx_rda_fail_cnt++; |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 7366 | break; |
| 7367 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7368 | case 5: |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 7369 | swstats->rx_unkn_prot_cnt++; |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 7370 | break; |
| 7371 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7372 | case 6: |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 7373 | swstats->rx_fcs_err_cnt++; |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 7374 | break; |
| 7375 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7376 | case 7: |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 7377 | swstats->rx_buf_size_err_cnt++; |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 7378 | break; |
| 7379 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7380 | case 8: |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 7381 | swstats->rx_rxd_corrupt_cnt++; |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 7382 | break; |
| 7383 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7384 | case 15: |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 7385 | swstats->rx_unkn_err_cnt++; |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 7386 | break; |
| 7387 | } |
Ananda Raju | 863c11a | 2006-04-21 19:03:13 -0400 | [diff] [blame] | 7388 | /* |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7389 | * Drop the packet if bad transfer code. Exception being |
| 7390 | * 0x5, which could be due to unsupported IPv6 extension header. |
| 7391 | * In this case, we let stack handle the packet. |
| 7392 | * Note that in this case, since checksum will be incorrect, |
| 7393 | * stack will validate the same. |
| 7394 | */ |
Olaf Hering | f9046eb | 2007-06-19 22:41:10 +0200 | [diff] [blame] | 7395 | if (err_mask != 0x5) { |
| 7396 | DBG_PRINT(ERR_DBG, "%s: Rx error Value: 0x%x\n", |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7397 | dev->name, err_mask); |
Breno Leitao | dc56e634 | 2008-07-22 16:27:20 -0300 | [diff] [blame] | 7398 | dev->stats.rx_crc_errors++; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 7399 | swstats->mem_freed |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 7400 | += skb->truesize; |
Ananda Raju | 863c11a | 2006-04-21 19:03:13 -0400 | [diff] [blame] | 7401 | dev_kfree_skb(skb); |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 7402 | ring_data->rx_bufs_left -= 1; |
Ananda Raju | 863c11a | 2006-04-21 19:03:13 -0400 | [diff] [blame] | 7403 | rxdp->Host_Control = 0; |
| 7404 | return 0; |
| 7405 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7406 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7407 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 7408 | rxdp->Host_Control = 0; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 7409 | if (sp->rxd_mode == RXD_MODE_1) { |
| 7410 | int len = RXD_GET_BUFFER0_SIZE_1(rxdp->Control_2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7411 | |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 7412 | skb_put(skb, len); |
Veena Parat | 6d517a2 | 2007-07-23 02:20:51 -0400 | [diff] [blame] | 7413 | } else if (sp->rxd_mode == RXD_MODE_3B) { |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 7414 | int get_block = ring_data->rx_curr_get_info.block_index; |
| 7415 | int get_off = ring_data->rx_curr_get_info.offset; |
| 7416 | int buf0_len = RXD_GET_BUFFER0_SIZE_3(rxdp->Control_2); |
| 7417 | int buf2_len = RXD_GET_BUFFER2_SIZE_3(rxdp->Control_2); |
| 7418 | unsigned char *buff = skb_push(skb, buf0_len); |
| 7419 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 7420 | struct buffAdd *ba = &ring_data->ba[get_block][get_off]; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 7421 | memcpy(buff, ba->ba_0, buf0_len); |
Veena Parat | 6d517a2 | 2007-07-23 02:20:51 -0400 | [diff] [blame] | 7422 | skb_put(skb, buf2_len); |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 7423 | } |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 7424 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7425 | if ((rxdp->Control_1 & TCP_OR_UDP_FRAME) && |
| 7426 | ((!ring_data->lro) || |
| 7427 | (ring_data->lro && (!(rxdp->Control_1 & RXD_FRAME_IP_FRAG)))) && |
Michał Mirosław | b437a8c | 2011-04-18 13:31:20 +0000 | [diff] [blame] | 7428 | (dev->features & NETIF_F_RXCSUM)) { |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 7429 | l3_csum = RXD_GET_L3_CKSUM(rxdp->Control_1); |
| 7430 | l4_csum = RXD_GET_L4_CKSUM(rxdp->Control_1); |
| 7431 | if ((l3_csum == L3_CKSUM_OK) && (l4_csum == L4_CKSUM_OK)) { |
| 7432 | /* |
| 7433 | * NIC verifies if the Checksum of the received |
| 7434 | * frame is Ok or not and accordingly returns |
| 7435 | * a flag in the RxD. |
| 7436 | */ |
| 7437 | skb->ip_summed = CHECKSUM_UNNECESSARY; |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 7438 | if (ring_data->lro) { |
Shan Wei | 06f0c13 | 2011-03-04 01:23:58 +0000 | [diff] [blame] | 7439 | u32 tcp_len = 0; |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 7440 | u8 *tcp; |
| 7441 | int ret = 0; |
| 7442 | |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 7443 | ret = s2io_club_tcp_session(ring_data, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7444 | skb->data, &tcp, |
| 7445 | &tcp_len, &lro, |
| 7446 | rxdp, sp); |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 7447 | switch (ret) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7448 | case 3: /* Begin anew */ |
| 7449 | lro->parent = skb; |
| 7450 | goto aggregate; |
| 7451 | case 1: /* Aggregate */ |
| 7452 | lro_append_pkt(sp, lro, skb, tcp_len); |
| 7453 | goto aggregate; |
| 7454 | case 4: /* Flush session */ |
| 7455 | lro_append_pkt(sp, lro, skb, tcp_len); |
| 7456 | queue_rx_frame(lro->parent, |
| 7457 | lro->vlan_tag); |
| 7458 | clear_lro_session(lro); |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 7459 | swstats->flush_max_pkts++; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7460 | goto aggregate; |
| 7461 | case 2: /* Flush both */ |
| 7462 | lro->parent->data_len = lro->frags_len; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 7463 | swstats->sending_both++; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7464 | queue_rx_frame(lro->parent, |
| 7465 | lro->vlan_tag); |
| 7466 | clear_lro_session(lro); |
| 7467 | goto send_up; |
| 7468 | case 0: /* sessions exceeded */ |
| 7469 | case -1: /* non-TCP or not L2 aggregatable */ |
| 7470 | case 5: /* |
| 7471 | * First pkt in session not |
| 7472 | * L3/L4 aggregatable |
| 7473 | */ |
| 7474 | break; |
| 7475 | default: |
| 7476 | DBG_PRINT(ERR_DBG, |
| 7477 | "%s: Samadhana!!\n", |
| 7478 | __func__); |
| 7479 | BUG(); |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 7480 | } |
| 7481 | } |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 7482 | } else { |
| 7483 | /* |
| 7484 | * Packet with erroneous checksum, let the |
| 7485 | * upper layers deal with it. |
| 7486 | */ |
Eric Dumazet | bc8acf2 | 2010-09-02 13:07:41 -0700 | [diff] [blame] | 7487 | skb_checksum_none_assert(skb); |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 7488 | } |
Sreenivasa Honnur | cdb5bf0 | 2008-02-20 17:09:15 -0500 | [diff] [blame] | 7489 | } else |
Eric Dumazet | bc8acf2 | 2010-09-02 13:07:41 -0700 | [diff] [blame] | 7490 | skb_checksum_none_assert(skb); |
Sreenivasa Honnur | cdb5bf0 | 2008-02-20 17:09:15 -0500 | [diff] [blame] | 7491 | |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 7492 | swstats->mem_freed += skb->truesize; |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 7493 | send_up: |
David S. Miller | 0c8dfc8 | 2009-01-27 16:22:32 -0800 | [diff] [blame] | 7494 | skb_record_rx_queue(skb, ring_no); |
Sreenivasa Honnur | cdb5bf0 | 2008-02-20 17:09:15 -0500 | [diff] [blame] | 7495 | queue_rx_frame(skb, RXD_GET_VLAN_TAG(rxdp->Control_2)); |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 7496 | aggregate: |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 7497 | sp->mac_control.rings[ring_no].rx_bufs_left -= 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7498 | return SUCCESS; |
| 7499 | } |
| 7500 | |
| 7501 | /** |
| 7502 | * s2io_link - stops/starts the Tx queue. |
| 7503 | * @sp : private member of the device structure, which is a pointer to the |
| 7504 | * s2io_nic structure. |
| 7505 | * @link : inidicates whether link is UP/DOWN. |
| 7506 | * Description: |
| 7507 | * This function stops/starts the Tx queue depending on whether the link |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 7508 | * status of the NIC is is down or up. This is called by the Alarm |
| 7509 | * interrupt handler whenever a link change interrupt comes up. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7510 | * Return value: |
| 7511 | * void. |
| 7512 | */ |
| 7513 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7514 | static void s2io_link(struct s2io_nic *sp, int link) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7515 | { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7516 | struct net_device *dev = (struct net_device *)sp->dev; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 7517 | struct swStat *swstats = &sp->mac_control.stats_info->sw_stat; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7518 | |
| 7519 | if (link != sp->last_link_state) { |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 7520 | init_tti(sp, link); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7521 | if (link == LINK_DOWN) { |
| 7522 | DBG_PRINT(ERR_DBG, "%s: Link down\n", dev->name); |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 7523 | s2io_stop_all_tx_queue(sp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7524 | netif_carrier_off(dev); |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 7525 | if (swstats->link_up_cnt) |
| 7526 | swstats->link_up_time = |
| 7527 | jiffies - sp->start_time; |
| 7528 | swstats->link_down_cnt++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7529 | } else { |
| 7530 | DBG_PRINT(ERR_DBG, "%s: Link Up\n", dev->name); |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 7531 | if (swstats->link_down_cnt) |
| 7532 | swstats->link_down_time = |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7533 | jiffies - sp->start_time; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 7534 | swstats->link_up_cnt++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7535 | netif_carrier_on(dev); |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 7536 | s2io_wake_all_tx_queue(sp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7537 | } |
| 7538 | } |
| 7539 | sp->last_link_state = link; |
Sreenivasa Honnur | 491976b | 2007-05-10 04:22:25 -0400 | [diff] [blame] | 7540 | sp->start_time = jiffies; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7541 | } |
| 7542 | |
| 7543 | /** |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 7544 | * s2io_init_pci -Initialization of PCI and PCI-X configuration registers . |
| 7545 | * @sp : private member of the device structure, which is a pointer to the |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7546 | * s2io_nic structure. |
| 7547 | * Description: |
| 7548 | * This function initializes a few of the PCI and PCI-X configuration registers |
| 7549 | * with recommended values. |
| 7550 | * Return value: |
| 7551 | * void |
| 7552 | */ |
| 7553 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7554 | static void s2io_init_pci(struct s2io_nic *sp) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7555 | { |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 7556 | u16 pci_cmd = 0, pcix_cmd = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7557 | |
| 7558 | /* Enable Data Parity Error Recovery in PCI-X command register. */ |
| 7559 | pci_read_config_word(sp->pdev, PCIX_COMMAND_REGISTER, |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 7560 | &(pcix_cmd)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7561 | pci_write_config_word(sp->pdev, PCIX_COMMAND_REGISTER, |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 7562 | (pcix_cmd | 1)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7563 | pci_read_config_word(sp->pdev, PCIX_COMMAND_REGISTER, |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 7564 | &(pcix_cmd)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7565 | |
| 7566 | /* Set the PErr Response bit in PCI command register. */ |
| 7567 | pci_read_config_word(sp->pdev, PCI_COMMAND, &pci_cmd); |
| 7568 | pci_write_config_word(sp->pdev, PCI_COMMAND, |
| 7569 | (pci_cmd | PCI_COMMAND_PARITY)); |
| 7570 | pci_read_config_word(sp->pdev, PCI_COMMAND, &pci_cmd); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7571 | } |
| 7572 | |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 7573 | static int s2io_verify_parm(struct pci_dev *pdev, u8 *dev_intr_type, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7574 | u8 *dev_multiq) |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 7575 | { |
Jon Mason | 1853e2e | 2010-12-10 15:40:01 +0000 | [diff] [blame] | 7576 | int i; |
| 7577 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7578 | if ((tx_fifo_num > MAX_TX_FIFOS) || (tx_fifo_num < 1)) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 7579 | DBG_PRINT(ERR_DBG, "Requested number of tx fifos " |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7580 | "(%d) not supported\n", tx_fifo_num); |
Sreenivasa Honnur | 6cfc482 | 2008-02-20 17:07:51 -0500 | [diff] [blame] | 7581 | |
| 7582 | if (tx_fifo_num < 1) |
| 7583 | tx_fifo_num = 1; |
| 7584 | else |
| 7585 | tx_fifo_num = MAX_TX_FIFOS; |
| 7586 | |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 7587 | DBG_PRINT(ERR_DBG, "Default to %d tx fifos\n", tx_fifo_num); |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 7588 | } |
Surjit Reang | 2fda096 | 2008-01-24 02:08:59 -0800 | [diff] [blame] | 7589 | |
Sreenivasa Honnur | 6cfc482 | 2008-02-20 17:07:51 -0500 | [diff] [blame] | 7590 | if (multiq) |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 7591 | *dev_multiq = multiq; |
Sreenivasa Honnur | 6cfc482 | 2008-02-20 17:07:51 -0500 | [diff] [blame] | 7592 | |
| 7593 | if (tx_steering_type && (1 == tx_fifo_num)) { |
| 7594 | if (tx_steering_type != TX_DEFAULT_STEERING) |
| 7595 | DBG_PRINT(ERR_DBG, |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 7596 | "Tx steering is not supported with " |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7597 | "one fifo. Disabling Tx steering.\n"); |
Sreenivasa Honnur | 6cfc482 | 2008-02-20 17:07:51 -0500 | [diff] [blame] | 7598 | tx_steering_type = NO_STEERING; |
| 7599 | } |
| 7600 | |
| 7601 | if ((tx_steering_type < NO_STEERING) || |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7602 | (tx_steering_type > TX_DEFAULT_STEERING)) { |
| 7603 | DBG_PRINT(ERR_DBG, |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 7604 | "Requested transmit steering not supported\n"); |
| 7605 | DBG_PRINT(ERR_DBG, "Disabling transmit steering\n"); |
Sreenivasa Honnur | 6cfc482 | 2008-02-20 17:07:51 -0500 | [diff] [blame] | 7606 | tx_steering_type = NO_STEERING; |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 7607 | } |
| 7608 | |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 7609 | if (rx_ring_num > MAX_RX_RINGS) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7610 | DBG_PRINT(ERR_DBG, |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 7611 | "Requested number of rx rings not supported\n"); |
| 7612 | DBG_PRINT(ERR_DBG, "Default to %d rx rings\n", |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7613 | MAX_RX_RINGS); |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 7614 | rx_ring_num = MAX_RX_RINGS; |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 7615 | } |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 7616 | |
Veena Parat | eccb862 | 2007-07-23 02:23:54 -0400 | [diff] [blame] | 7617 | if ((*dev_intr_type != INTA) && (*dev_intr_type != MSI_X)) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 7618 | DBG_PRINT(ERR_DBG, "Wrong intr_type requested. " |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 7619 | "Defaulting to INTA\n"); |
| 7620 | *dev_intr_type = INTA; |
| 7621 | } |
Sivakumar Subramani | 596c5c9 | 2007-09-15 14:24:03 -0700 | [diff] [blame] | 7622 | |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 7623 | if ((*dev_intr_type == MSI_X) && |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7624 | ((pdev->device != PCI_DEVICE_ID_HERC_WIN) && |
| 7625 | (pdev->device != PCI_DEVICE_ID_HERC_UNI))) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 7626 | DBG_PRINT(ERR_DBG, "Xframe I does not support MSI_X. " |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7627 | "Defaulting to INTA\n"); |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 7628 | *dev_intr_type = INTA; |
| 7629 | } |
Sivakumar Subramani | fb6a825 | 2007-02-24 01:51:50 -0500 | [diff] [blame] | 7630 | |
Veena Parat | 6d517a2 | 2007-07-23 02:20:51 -0400 | [diff] [blame] | 7631 | if ((rx_ring_mode != 1) && (rx_ring_mode != 2)) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 7632 | DBG_PRINT(ERR_DBG, "Requested ring mode not supported\n"); |
| 7633 | DBG_PRINT(ERR_DBG, "Defaulting to 1-buffer mode\n"); |
Veena Parat | 6d517a2 | 2007-07-23 02:20:51 -0400 | [diff] [blame] | 7634 | rx_ring_mode = 1; |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 7635 | } |
Jon Mason | 1853e2e | 2010-12-10 15:40:01 +0000 | [diff] [blame] | 7636 | |
| 7637 | for (i = 0; i < MAX_RX_RINGS; i++) |
| 7638 | if (rx_ring_sz[i] > MAX_RX_BLOCKS_PER_RING) { |
| 7639 | DBG_PRINT(ERR_DBG, "Requested rx ring size not " |
| 7640 | "supported\nDefaulting to %d\n", |
| 7641 | MAX_RX_BLOCKS_PER_RING); |
| 7642 | rx_ring_sz[i] = MAX_RX_BLOCKS_PER_RING; |
| 7643 | } |
| 7644 | |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 7645 | return SUCCESS; |
| 7646 | } |
| 7647 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7648 | /** |
Sivakumar Subramani | 9fc93a4 | 2007-02-24 01:57:32 -0500 | [diff] [blame] | 7649 | * rts_ds_steer - Receive traffic steering based on IPv4 or IPv6 TOS |
| 7650 | * or Traffic class respectively. |
Ramkrishna Vepa | b7c5678 | 2007-12-17 11:40:15 -0800 | [diff] [blame] | 7651 | * @nic: device private variable |
Sivakumar Subramani | 9fc93a4 | 2007-02-24 01:57:32 -0500 | [diff] [blame] | 7652 | * Description: The function configures the receive steering to |
| 7653 | * desired receive ring. |
| 7654 | * Return Value: SUCCESS on success and |
| 7655 | * '-1' on failure (endian settings incorrect). |
| 7656 | */ |
| 7657 | static int rts_ds_steer(struct s2io_nic *nic, u8 ds_codepoint, u8 ring) |
| 7658 | { |
| 7659 | struct XENA_dev_config __iomem *bar0 = nic->bar0; |
| 7660 | register u64 val64 = 0; |
| 7661 | |
| 7662 | if (ds_codepoint > 63) |
| 7663 | return FAILURE; |
| 7664 | |
| 7665 | val64 = RTS_DS_MEM_DATA(ring); |
| 7666 | writeq(val64, &bar0->rts_ds_mem_data); |
| 7667 | |
| 7668 | val64 = RTS_DS_MEM_CTRL_WE | |
| 7669 | RTS_DS_MEM_CTRL_STROBE_NEW_CMD | |
| 7670 | RTS_DS_MEM_CTRL_OFFSET(ds_codepoint); |
| 7671 | |
| 7672 | writeq(val64, &bar0->rts_ds_mem_ctrl); |
| 7673 | |
| 7674 | return wait_for_cmd_complete(&bar0->rts_ds_mem_ctrl, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7675 | RTS_DS_MEM_CTRL_STROBE_CMD_BEING_EXECUTED, |
| 7676 | S2IO_BIT_RESET); |
Sivakumar Subramani | 9fc93a4 | 2007-02-24 01:57:32 -0500 | [diff] [blame] | 7677 | } |
| 7678 | |
Stephen Hemminger | 0402509 | 2008-11-21 17:28:55 -0800 | [diff] [blame] | 7679 | static const struct net_device_ops s2io_netdev_ops = { |
| 7680 | .ndo_open = s2io_open, |
| 7681 | .ndo_stop = s2io_close, |
| 7682 | .ndo_get_stats = s2io_get_stats, |
| 7683 | .ndo_start_xmit = s2io_xmit, |
| 7684 | .ndo_validate_addr = eth_validate_addr, |
| 7685 | .ndo_set_multicast_list = s2io_set_multicast, |
| 7686 | .ndo_do_ioctl = s2io_ioctl, |
| 7687 | .ndo_set_mac_address = s2io_set_mac_addr, |
| 7688 | .ndo_change_mtu = s2io_change_mtu, |
Michał Mirosław | b437a8c | 2011-04-18 13:31:20 +0000 | [diff] [blame] | 7689 | .ndo_set_features = s2io_set_features, |
Stephen Hemminger | 0402509 | 2008-11-21 17:28:55 -0800 | [diff] [blame] | 7690 | .ndo_tx_timeout = s2io_tx_watchdog, |
| 7691 | #ifdef CONFIG_NET_POLL_CONTROLLER |
| 7692 | .ndo_poll_controller = s2io_netpoll, |
| 7693 | #endif |
| 7694 | }; |
| 7695 | |
Sivakumar Subramani | 9fc93a4 | 2007-02-24 01:57:32 -0500 | [diff] [blame] | 7696 | /** |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 7697 | * s2io_init_nic - Initialization of the adapter . |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7698 | * @pdev : structure containing the PCI related information of the device. |
| 7699 | * @pre: List of PCI devices supported by the driver listed in s2io_tbl. |
| 7700 | * Description: |
| 7701 | * The function initializes an adapter identified by the pci_dec structure. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 7702 | * All OS related initialization including memory and device structure and |
| 7703 | * initlaization of the device private variable is done. Also the swapper |
| 7704 | * control register is initialized to enable read and write into the I/O |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7705 | * registers of the device. |
| 7706 | * Return value: |
| 7707 | * returns 0 on success and negative on failure. |
| 7708 | */ |
| 7709 | |
| 7710 | static int __devinit |
| 7711 | s2io_init_nic(struct pci_dev *pdev, const struct pci_device_id *pre) |
| 7712 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 7713 | struct s2io_nic *sp; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7714 | struct net_device *dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7715 | int i, j, ret; |
Tobias Klauser | f957bcf | 2009-06-04 23:07:59 +0000 | [diff] [blame] | 7716 | int dma_flag = false; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7717 | u32 mac_up, mac_down; |
| 7718 | u64 val64 = 0, tmp64 = 0; |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 7719 | struct XENA_dev_config __iomem *bar0 = NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7720 | u16 subid; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7721 | struct config_param *config; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 7722 | struct mac_info *mac_control; |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 7723 | int mode; |
Ravinandan Arakali | cc6e7c4 | 2005-10-04 06:41:24 -0400 | [diff] [blame] | 7724 | u8 dev_intr_type = intr_type; |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 7725 | u8 dev_multiq = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7726 | |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 7727 | ret = s2io_verify_parm(pdev, &dev_intr_type, &dev_multiq); |
| 7728 | if (ret) |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 7729 | return ret; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7730 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7731 | ret = pci_enable_device(pdev); |
| 7732 | if (ret) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7733 | DBG_PRINT(ERR_DBG, |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 7734 | "%s: pci_enable_device failed\n", __func__); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7735 | return ret; |
| 7736 | } |
| 7737 | |
Yang Hongyang | 6a35528 | 2009-04-06 19:01:13 -0700 | [diff] [blame] | 7738 | if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 7739 | DBG_PRINT(INIT_DBG, "%s: Using 64bit DMA\n", __func__); |
Tobias Klauser | f957bcf | 2009-06-04 23:07:59 +0000 | [diff] [blame] | 7740 | dma_flag = true; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7741 | if (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7742 | DBG_PRINT(ERR_DBG, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7743 | "Unable to obtain 64bit DMA " |
| 7744 | "for consistent allocations\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7745 | pci_disable_device(pdev); |
| 7746 | return -ENOMEM; |
| 7747 | } |
Yang Hongyang | 284901a | 2009-04-06 19:01:15 -0700 | [diff] [blame] | 7748 | } else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 7749 | DBG_PRINT(INIT_DBG, "%s: Using 32bit DMA\n", __func__); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7750 | } else { |
| 7751 | pci_disable_device(pdev); |
| 7752 | return -ENOMEM; |
| 7753 | } |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7754 | ret = pci_request_regions(pdev, s2io_driver_name); |
| 7755 | if (ret) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 7756 | DBG_PRINT(ERR_DBG, "%s: Request Regions failed - %x\n", |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7757 | __func__, ret); |
Veena Parat | eccb862 | 2007-07-23 02:23:54 -0400 | [diff] [blame] | 7758 | pci_disable_device(pdev); |
| 7759 | return -ENODEV; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7760 | } |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 7761 | if (dev_multiq) |
Sreenivasa Honnur | 6cfc482 | 2008-02-20 17:07:51 -0500 | [diff] [blame] | 7762 | dev = alloc_etherdev_mq(sizeof(struct s2io_nic), tx_fifo_num); |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 7763 | else |
David S. Miller | b19fa1f | 2008-07-08 23:14:24 -0700 | [diff] [blame] | 7764 | dev = alloc_etherdev(sizeof(struct s2io_nic)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7765 | if (dev == NULL) { |
| 7766 | DBG_PRINT(ERR_DBG, "Device allocation failed\n"); |
| 7767 | pci_disable_device(pdev); |
| 7768 | pci_release_regions(pdev); |
| 7769 | return -ENODEV; |
| 7770 | } |
| 7771 | |
| 7772 | pci_set_master(pdev); |
| 7773 | pci_set_drvdata(pdev, dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7774 | SET_NETDEV_DEV(dev, &pdev->dev); |
| 7775 | |
| 7776 | /* Private member variable initialized to s2io NIC structure */ |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 7777 | sp = netdev_priv(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7778 | sp->dev = dev; |
| 7779 | sp->pdev = pdev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7780 | sp->high_dma_flag = dma_flag; |
Tobias Klauser | f957bcf | 2009-06-04 23:07:59 +0000 | [diff] [blame] | 7781 | sp->device_enabled_once = false; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 7782 | if (rx_ring_mode == 1) |
| 7783 | sp->rxd_mode = RXD_MODE_1; |
| 7784 | if (rx_ring_mode == 2) |
| 7785 | sp->rxd_mode = RXD_MODE_3B; |
Ananda Raju | da6971d | 2005-10-31 16:55:31 -0500 | [diff] [blame] | 7786 | |
Sivakumar Subramani | eaae7f7 | 2007-09-15 14:14:22 -0700 | [diff] [blame] | 7787 | sp->config.intr_type = dev_intr_type; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7788 | |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 7789 | if ((pdev->device == PCI_DEVICE_ID_HERC_WIN) || |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7790 | (pdev->device == PCI_DEVICE_ID_HERC_UNI)) |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 7791 | sp->device_type = XFRAME_II_DEVICE; |
| 7792 | else |
| 7793 | sp->device_type = XFRAME_I_DEVICE; |
| 7794 | |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 7795 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7796 | /* Initialize some PCI/PCI-X fields of the NIC. */ |
| 7797 | s2io_init_pci(sp); |
| 7798 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 7799 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7800 | * Setting the device configuration parameters. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 7801 | * Most of these parameters can be specified by the user during |
| 7802 | * module insertion as they are module loadable parameters. If |
| 7803 | * these parameters are not not specified during load time, they |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7804 | * are initialized with default values. |
| 7805 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7806 | config = &sp->config; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 7807 | mac_control = &sp->mac_control; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7808 | |
Sivakumar Subramani | 596c5c9 | 2007-09-15 14:24:03 -0700 | [diff] [blame] | 7809 | config->napi = napi; |
Sreenivasa Honnur | 6cfc482 | 2008-02-20 17:07:51 -0500 | [diff] [blame] | 7810 | config->tx_steering_type = tx_steering_type; |
Sivakumar Subramani | 596c5c9 | 2007-09-15 14:24:03 -0700 | [diff] [blame] | 7811 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7812 | /* Tx side parameters. */ |
Sreenivasa Honnur | 6cfc482 | 2008-02-20 17:07:51 -0500 | [diff] [blame] | 7813 | if (config->tx_steering_type == TX_PRIORITY_STEERING) |
| 7814 | config->tx_fifo_num = MAX_TX_FIFOS; |
| 7815 | else |
| 7816 | config->tx_fifo_num = tx_fifo_num; |
| 7817 | |
| 7818 | /* Initialize the fifos used for tx steering */ |
| 7819 | if (config->tx_fifo_num < 5) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7820 | if (config->tx_fifo_num == 1) |
| 7821 | sp->total_tcp_fifos = 1; |
| 7822 | else |
| 7823 | sp->total_tcp_fifos = config->tx_fifo_num - 1; |
| 7824 | sp->udp_fifo_idx = config->tx_fifo_num - 1; |
| 7825 | sp->total_udp_fifos = 1; |
| 7826 | sp->other_fifo_idx = sp->total_tcp_fifos - 1; |
Sreenivasa Honnur | 6cfc482 | 2008-02-20 17:07:51 -0500 | [diff] [blame] | 7827 | } else { |
| 7828 | sp->total_tcp_fifos = (tx_fifo_num - FIFO_UDP_MAX_NUM - |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7829 | FIFO_OTHER_MAX_NUM); |
Sreenivasa Honnur | 6cfc482 | 2008-02-20 17:07:51 -0500 | [diff] [blame] | 7830 | sp->udp_fifo_idx = sp->total_tcp_fifos; |
| 7831 | sp->total_udp_fifos = FIFO_UDP_MAX_NUM; |
| 7832 | sp->other_fifo_idx = sp->udp_fifo_idx + FIFO_UDP_MAX_NUM; |
| 7833 | } |
| 7834 | |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 7835 | config->multiq = dev_multiq; |
Sreenivasa Honnur | 6cfc482 | 2008-02-20 17:07:51 -0500 | [diff] [blame] | 7836 | for (i = 0; i < config->tx_fifo_num; i++) { |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 7837 | struct tx_fifo_config *tx_cfg = &config->tx_cfg[i]; |
| 7838 | |
| 7839 | tx_cfg->fifo_len = tx_fifo_len[i]; |
| 7840 | tx_cfg->fifo_priority = i; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7841 | } |
| 7842 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 7843 | /* mapping the QoS priority to the configured fifos */ |
| 7844 | for (i = 0; i < MAX_TX_FIFOS; i++) |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 7845 | config->fifo_mapping[i] = fifo_map[config->tx_fifo_num - 1][i]; |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 7846 | |
Sreenivasa Honnur | 6cfc482 | 2008-02-20 17:07:51 -0500 | [diff] [blame] | 7847 | /* map the hashing selector table to the configured fifos */ |
| 7848 | for (i = 0; i < config->tx_fifo_num; i++) |
| 7849 | sp->fifo_selector[i] = fifo_selector[i]; |
| 7850 | |
| 7851 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7852 | config->tx_intr_type = TXD_INT_TYPE_UTILZ; |
| 7853 | for (i = 0; i < config->tx_fifo_num; i++) { |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 7854 | struct tx_fifo_config *tx_cfg = &config->tx_cfg[i]; |
| 7855 | |
| 7856 | tx_cfg->f_no_snoop = (NO_SNOOP_TXD | NO_SNOOP_TXD_BUFFER); |
| 7857 | if (tx_cfg->fifo_len < 65) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7858 | config->tx_intr_type = TXD_INT_TYPE_PER_LIST; |
| 7859 | break; |
| 7860 | } |
| 7861 | } |
Ananda Raju | fed5ecc | 2005-11-14 15:25:08 -0500 | [diff] [blame] | 7862 | /* + 2 because one Txd for skb->data and one Txd for UFO */ |
| 7863 | config->max_txds = MAX_SKB_FRAGS + 2; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7864 | |
| 7865 | /* Rx side parameters. */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7866 | config->rx_ring_num = rx_ring_num; |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 7867 | for (i = 0; i < config->rx_ring_num; i++) { |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 7868 | struct rx_ring_config *rx_cfg = &config->rx_cfg[i]; |
| 7869 | struct ring_info *ring = &mac_control->rings[i]; |
| 7870 | |
| 7871 | rx_cfg->num_rxd = rx_ring_sz[i] * (rxd_count[sp->rxd_mode] + 1); |
| 7872 | rx_cfg->ring_priority = i; |
| 7873 | ring->rx_bufs_left = 0; |
| 7874 | ring->rxd_mode = sp->rxd_mode; |
| 7875 | ring->rxd_count = rxd_count[sp->rxd_mode]; |
| 7876 | ring->pdev = sp->pdev; |
| 7877 | ring->dev = sp->dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7878 | } |
| 7879 | |
| 7880 | for (i = 0; i < rx_ring_num; i++) { |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 7881 | struct rx_ring_config *rx_cfg = &config->rx_cfg[i]; |
| 7882 | |
| 7883 | rx_cfg->ring_org = RING_ORG_BUFF1; |
| 7884 | rx_cfg->f_no_snoop = (NO_SNOOP_RXD | NO_SNOOP_RXD_BUFFER); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7885 | } |
| 7886 | |
| 7887 | /* Setting Mac Control parameters */ |
| 7888 | mac_control->rmac_pause_time = rmac_pause_time; |
| 7889 | mac_control->mc_pause_threshold_q0q3 = mc_pause_threshold_q0q3; |
| 7890 | mac_control->mc_pause_threshold_q4q7 = mc_pause_threshold_q4q7; |
| 7891 | |
| 7892 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7893 | /* initialize the shared memory used by the NIC and the host */ |
| 7894 | if (init_shared_mem(sp)) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7895 | DBG_PRINT(ERR_DBG, "%s: Memory allocation failed\n", dev->name); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7896 | ret = -ENOMEM; |
| 7897 | goto mem_alloc_failed; |
| 7898 | } |
| 7899 | |
Arjan van de Ven | 275f165 | 2008-10-20 21:42:39 -0700 | [diff] [blame] | 7900 | sp->bar0 = pci_ioremap_bar(pdev, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7901 | if (!sp->bar0) { |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 7902 | DBG_PRINT(ERR_DBG, "%s: Neterion: cannot remap io mem1\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7903 | dev->name); |
| 7904 | ret = -ENOMEM; |
| 7905 | goto bar0_remap_failed; |
| 7906 | } |
| 7907 | |
Arjan van de Ven | 275f165 | 2008-10-20 21:42:39 -0700 | [diff] [blame] | 7908 | sp->bar1 = pci_ioremap_bar(pdev, 2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7909 | if (!sp->bar1) { |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 7910 | DBG_PRINT(ERR_DBG, "%s: Neterion: cannot remap io mem2\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7911 | dev->name); |
| 7912 | ret = -ENOMEM; |
| 7913 | goto bar1_remap_failed; |
| 7914 | } |
| 7915 | |
| 7916 | dev->irq = pdev->irq; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 7917 | dev->base_addr = (unsigned long)sp->bar0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7918 | |
| 7919 | /* Initializing the BAR1 address as the start of the FIFO pointer. */ |
| 7920 | for (j = 0; j < MAX_TX_FIFOS; j++) { |
Joe Perches | 43d620c | 2011-06-16 19:08:06 +0000 | [diff] [blame] | 7921 | mac_control->tx_FIFO_start[j] = sp->bar1 + (j * 0x00020000); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7922 | } |
| 7923 | |
| 7924 | /* Driver entry points */ |
Stephen Hemminger | 0402509 | 2008-11-21 17:28:55 -0800 | [diff] [blame] | 7925 | dev->netdev_ops = &s2io_netdev_ops; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7926 | SET_ETHTOOL_OPS(dev, &netdev_ethtool_ops); |
Michał Mirosław | b437a8c | 2011-04-18 13:31:20 +0000 | [diff] [blame] | 7927 | dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | |
| 7928 | NETIF_F_TSO | NETIF_F_TSO6 | |
| 7929 | NETIF_F_RXCSUM | NETIF_F_LRO; |
| 7930 | dev->features |= dev->hw_features | |
| 7931 | NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX; |
| 7932 | if (sp->device_type & XFRAME_II_DEVICE) { |
| 7933 | dev->hw_features |= NETIF_F_UFO; |
| 7934 | if (ufo) |
| 7935 | dev->features |= NETIF_F_UFO; |
| 7936 | } |
Tobias Klauser | f957bcf | 2009-06-04 23:07:59 +0000 | [diff] [blame] | 7937 | if (sp->high_dma_flag == true) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7938 | dev->features |= NETIF_F_HIGHDMA; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7939 | dev->watchdog_timeo = WATCH_DOG_TIMEOUT; |
David Howells | c402895 | 2006-11-22 14:57:56 +0000 | [diff] [blame] | 7940 | INIT_WORK(&sp->rst_timer_task, s2io_restart_nic); |
| 7941 | INIT_WORK(&sp->set_link_task, s2io_set_link); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7942 | |
ravinandan.arakali@neterion.com | e960fc5 | 2005-08-12 10:15:59 -0700 | [diff] [blame] | 7943 | pci_save_state(sp->pdev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7944 | |
| 7945 | /* Setting swapper control on the NIC, for proper reset operation */ |
| 7946 | if (s2io_set_swapper(sp)) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 7947 | DBG_PRINT(ERR_DBG, "%s: swapper settings are wrong\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7948 | dev->name); |
| 7949 | ret = -EAGAIN; |
| 7950 | goto set_swap_failed; |
| 7951 | } |
| 7952 | |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 7953 | /* Verify if the Herc works on the slot its placed into */ |
| 7954 | if (sp->device_type & XFRAME_II_DEVICE) { |
| 7955 | mode = s2io_verify_pci_mode(sp); |
| 7956 | if (mode < 0) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 7957 | DBG_PRINT(ERR_DBG, "%s: Unsupported PCI bus mode\n", |
| 7958 | __func__); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 7959 | ret = -EBADSLT; |
| 7960 | goto set_swap_failed; |
| 7961 | } |
| 7962 | } |
| 7963 | |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 7964 | if (sp->config.intr_type == MSI_X) { |
| 7965 | sp->num_entries = config->rx_ring_num + 1; |
| 7966 | ret = s2io_enable_msi_x(sp); |
| 7967 | |
| 7968 | if (!ret) { |
| 7969 | ret = s2io_test_msi(sp); |
| 7970 | /* rollback MSI-X, will re-enable during add_isr() */ |
| 7971 | remove_msix_isr(sp); |
| 7972 | } |
| 7973 | if (ret) { |
| 7974 | |
| 7975 | DBG_PRINT(ERR_DBG, |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 7976 | "MSI-X requested but failed to enable\n"); |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 7977 | sp->config.intr_type = INTA; |
| 7978 | } |
| 7979 | } |
| 7980 | |
| 7981 | if (config->intr_type == MSI_X) { |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 7982 | for (i = 0; i < config->rx_ring_num ; i++) { |
| 7983 | struct ring_info *ring = &mac_control->rings[i]; |
| 7984 | |
| 7985 | netif_napi_add(dev, &ring->napi, s2io_poll_msix, 64); |
| 7986 | } |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 7987 | } else { |
| 7988 | netif_napi_add(dev, &sp->napi, s2io_poll_inta, 64); |
| 7989 | } |
| 7990 | |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 7991 | /* Not needed for Herc */ |
| 7992 | if (sp->device_type & XFRAME_I_DEVICE) { |
| 7993 | /* |
| 7994 | * Fix for all "FFs" MAC address problems observed on |
| 7995 | * Alpha platforms |
| 7996 | */ |
| 7997 | fix_mac_address(sp); |
| 7998 | s2io_reset(sp); |
| 7999 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8000 | |
| 8001 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8002 | * MAC address initialization. |
| 8003 | * For now only one mac address will be read and used. |
| 8004 | */ |
| 8005 | bar0 = sp->bar0; |
| 8006 | val64 = RMAC_ADDR_CMD_MEM_RD | RMAC_ADDR_CMD_MEM_STROBE_NEW_CMD | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8007 | RMAC_ADDR_CMD_MEM_OFFSET(0 + S2IO_MAC_ADDR_START_OFFSET); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8008 | writeq(val64, &bar0->rmac_addr_cmd_mem); |
Ananda Raju | c92ca04 | 2006-04-21 19:18:03 -0400 | [diff] [blame] | 8009 | wait_for_cmd_complete(&bar0->rmac_addr_cmd_mem, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8010 | RMAC_ADDR_CMD_MEM_STROBE_CMD_EXECUTING, |
| 8011 | S2IO_BIT_RESET); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8012 | tmp64 = readq(&bar0->rmac_addr_data0_mem); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8013 | mac_down = (u32)tmp64; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8014 | mac_up = (u32) (tmp64 >> 32); |
| 8015 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8016 | sp->def_mac_addr[0].mac_addr[3] = (u8) (mac_up); |
| 8017 | sp->def_mac_addr[0].mac_addr[2] = (u8) (mac_up >> 8); |
| 8018 | sp->def_mac_addr[0].mac_addr[1] = (u8) (mac_up >> 16); |
| 8019 | sp->def_mac_addr[0].mac_addr[0] = (u8) (mac_up >> 24); |
| 8020 | sp->def_mac_addr[0].mac_addr[5] = (u8) (mac_down >> 16); |
| 8021 | sp->def_mac_addr[0].mac_addr[4] = (u8) (mac_down >> 24); |
| 8022 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8023 | /* Set the factory defined MAC address initially */ |
| 8024 | dev->addr_len = ETH_ALEN; |
| 8025 | memcpy(dev->dev_addr, sp->def_mac_addr, ETH_ALEN); |
Sivakumar Subramani | 2fd3768 | 2007-09-14 07:39:19 -0400 | [diff] [blame] | 8026 | memcpy(dev->perm_addr, dev->dev_addr, ETH_ALEN); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8027 | |
Sreenivasa Honnur | faa4f79 | 2008-01-24 01:45:43 -0800 | [diff] [blame] | 8028 | /* initialize number of multicast & unicast MAC entries variables */ |
| 8029 | if (sp->device_type == XFRAME_I_DEVICE) { |
| 8030 | config->max_mc_addr = S2IO_XENA_MAX_MC_ADDRESSES; |
| 8031 | config->max_mac_addr = S2IO_XENA_MAX_MAC_ADDRESSES; |
| 8032 | config->mc_start_offset = S2IO_XENA_MC_ADDR_START_OFFSET; |
| 8033 | } else if (sp->device_type == XFRAME_II_DEVICE) { |
| 8034 | config->max_mc_addr = S2IO_HERC_MAX_MC_ADDRESSES; |
| 8035 | config->max_mac_addr = S2IO_HERC_MAX_MAC_ADDRESSES; |
| 8036 | config->mc_start_offset = S2IO_HERC_MC_ADDR_START_OFFSET; |
| 8037 | } |
| 8038 | |
| 8039 | /* store mac addresses from CAM to s2io_nic structure */ |
| 8040 | do_s2io_store_unicast_mc(sp); |
| 8041 | |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 8042 | /* Configure MSIX vector for number of rings configured plus one */ |
| 8043 | if ((sp->device_type == XFRAME_II_DEVICE) && |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8044 | (config->intr_type == MSI_X)) |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 8045 | sp->num_entries = config->rx_ring_num + 1; |
| 8046 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8047 | /* Store the values of the MSIX table in the s2io_nic structure */ |
Sivakumar Subramani | c77dd43 | 2007-08-06 05:36:28 -0400 | [diff] [blame] | 8048 | store_xmsi_data(sp); |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 8049 | /* reset Nic and bring it to known state */ |
| 8050 | s2io_reset(sp); |
| 8051 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8052 | /* |
Sreenivasa Honnur | 99993af | 2008-04-23 13:29:42 -0400 | [diff] [blame] | 8053 | * Initialize link state flags |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 8054 | * and the card state parameter |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8055 | */ |
Sivakumar Subramani | 92b8443 | 2007-09-06 06:51:14 -0400 | [diff] [blame] | 8056 | sp->state = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8057 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8058 | /* Initialize spinlocks */ |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 8059 | for (i = 0; i < sp->config.tx_fifo_num; i++) { |
| 8060 | struct fifo_info *fifo = &mac_control->fifos[i]; |
| 8061 | |
| 8062 | spin_lock_init(&fifo->tx_lock); |
| 8063 | } |
Sivakumar Subramani | db874e6 | 2007-01-31 13:28:08 -0500 | [diff] [blame] | 8064 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 8065 | /* |
| 8066 | * SXE-002: Configure link and activity LED to init state |
| 8067 | * on driver load. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8068 | */ |
| 8069 | subid = sp->pdev->subsystem_device; |
| 8070 | if ((subid & 0xFF) >= 0x07) { |
| 8071 | val64 = readq(&bar0->gpio_control); |
| 8072 | val64 |= 0x0000800000000000ULL; |
| 8073 | writeq(val64, &bar0->gpio_control); |
| 8074 | val64 = 0x0411040400000000ULL; |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8075 | writeq(val64, (void __iomem *)bar0 + 0x2700); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8076 | val64 = readq(&bar0->gpio_control); |
| 8077 | } |
| 8078 | |
| 8079 | sp->rx_csum = 1; /* Rx chksum verify enabled by default */ |
| 8080 | |
| 8081 | if (register_netdev(dev)) { |
| 8082 | DBG_PRINT(ERR_DBG, "Device registration failed\n"); |
| 8083 | ret = -ENODEV; |
| 8084 | goto register_failed; |
| 8085 | } |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 8086 | s2io_vpd_read(sp); |
Jon Mason | 926bd90 | 2010-07-15 08:47:26 +0000 | [diff] [blame] | 8087 | DBG_PRINT(ERR_DBG, "Copyright(c) 2002-2010 Exar Corp.\n"); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8088 | DBG_PRINT(ERR_DBG, "%s: Neterion %s (rev %d)\n", dev->name, |
Auke Kok | 44c1013 | 2007-06-08 15:46:36 -0700 | [diff] [blame] | 8089 | sp->product_name, pdev->revision); |
Ananda Raju | b41477f | 2006-07-24 19:52:49 -0400 | [diff] [blame] | 8090 | DBG_PRINT(ERR_DBG, "%s: Driver version %s\n", dev->name, |
| 8091 | s2io_driver_version); |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 8092 | DBG_PRINT(ERR_DBG, "%s: MAC Address: %pM\n", dev->name, dev->dev_addr); |
| 8093 | DBG_PRINT(ERR_DBG, "Serial number: %s\n", sp->serial_num); |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 8094 | if (sp->device_type & XFRAME_II_DEVICE) { |
raghavendra.koushik@neterion.com | 0b1f7eb | 2005-08-03 12:39:56 -0700 | [diff] [blame] | 8095 | mode = s2io_print_pci_mode(sp); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 8096 | if (mode < 0) { |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 8097 | ret = -EBADSLT; |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 8098 | unregister_netdev(dev); |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 8099 | goto set_swap_failed; |
| 8100 | } |
raghavendra.koushik@neterion.com | 541ae68 | 2005-08-03 12:36:55 -0700 | [diff] [blame] | 8101 | } |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8102 | switch (sp->rxd_mode) { |
| 8103 | case RXD_MODE_1: |
| 8104 | DBG_PRINT(ERR_DBG, "%s: 1-Buffer receive mode enabled\n", |
| 8105 | dev->name); |
| 8106 | break; |
| 8107 | case RXD_MODE_3B: |
| 8108 | DBG_PRINT(ERR_DBG, "%s: 2-Buffer receive mode enabled\n", |
| 8109 | dev->name); |
| 8110 | break; |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 8111 | } |
Sivakumar Subramani | db874e6 | 2007-01-31 13:28:08 -0500 | [diff] [blame] | 8112 | |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 8113 | switch (sp->config.napi) { |
| 8114 | case 0: |
| 8115 | DBG_PRINT(ERR_DBG, "%s: NAPI disabled\n", dev->name); |
| 8116 | break; |
| 8117 | case 1: |
Sivakumar Subramani | db874e6 | 2007-01-31 13:28:08 -0500 | [diff] [blame] | 8118 | DBG_PRINT(ERR_DBG, "%s: NAPI enabled\n", dev->name); |
Sreenivasa Honnur | f61e0a3 | 2008-05-12 13:42:17 -0400 | [diff] [blame] | 8119 | break; |
| 8120 | } |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 8121 | |
| 8122 | DBG_PRINT(ERR_DBG, "%s: Using %d Tx fifo(s)\n", dev->name, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8123 | sp->config.tx_fifo_num); |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 8124 | |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 8125 | DBG_PRINT(ERR_DBG, "%s: Using %d Rx ring(s)\n", dev->name, |
| 8126 | sp->config.rx_ring_num); |
| 8127 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8128 | switch (sp->config.intr_type) { |
| 8129 | case INTA: |
| 8130 | DBG_PRINT(ERR_DBG, "%s: Interrupt type INTA\n", dev->name); |
| 8131 | break; |
| 8132 | case MSI_X: |
| 8133 | DBG_PRINT(ERR_DBG, "%s: Interrupt type MSI-X\n", dev->name); |
| 8134 | break; |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 8135 | } |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 8136 | if (sp->config.multiq) { |
Joe Perches | 13d866a | 2009-08-24 17:29:41 +0000 | [diff] [blame] | 8137 | for (i = 0; i < sp->config.tx_fifo_num; i++) { |
| 8138 | struct fifo_info *fifo = &mac_control->fifos[i]; |
| 8139 | |
| 8140 | fifo->multiq = config->multiq; |
| 8141 | } |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 8142 | DBG_PRINT(ERR_DBG, "%s: Multiqueue support enabled\n", |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8143 | dev->name); |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 8144 | } else |
| 8145 | DBG_PRINT(ERR_DBG, "%s: Multiqueue support disabled\n", |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8146 | dev->name); |
Sreenivasa Honnur | 3a3d575 | 2008-02-20 16:44:07 -0500 | [diff] [blame] | 8147 | |
Sreenivasa Honnur | 6cfc482 | 2008-02-20 17:07:51 -0500 | [diff] [blame] | 8148 | switch (sp->config.tx_steering_type) { |
| 8149 | case NO_STEERING: |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8150 | DBG_PRINT(ERR_DBG, "%s: No steering enabled for transmit\n", |
| 8151 | dev->name); |
| 8152 | break; |
Sreenivasa Honnur | 6cfc482 | 2008-02-20 17:07:51 -0500 | [diff] [blame] | 8153 | case TX_PRIORITY_STEERING: |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8154 | DBG_PRINT(ERR_DBG, |
| 8155 | "%s: Priority steering enabled for transmit\n", |
| 8156 | dev->name); |
Sreenivasa Honnur | 6cfc482 | 2008-02-20 17:07:51 -0500 | [diff] [blame] | 8157 | break; |
| 8158 | case TX_DEFAULT_STEERING: |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8159 | DBG_PRINT(ERR_DBG, |
| 8160 | "%s: Default steering enabled for transmit\n", |
| 8161 | dev->name); |
Sreenivasa Honnur | 6cfc482 | 2008-02-20 17:07:51 -0500 | [diff] [blame] | 8162 | } |
| 8163 | |
Amerigo Wang | f0c54ac | 2010-08-25 00:23:39 +0000 | [diff] [blame] | 8164 | DBG_PRINT(ERR_DBG, "%s: Large receive offload enabled\n", |
| 8165 | dev->name); |
Sivakumar Subramani | db874e6 | 2007-01-31 13:28:08 -0500 | [diff] [blame] | 8166 | if (ufo) |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8167 | DBG_PRINT(ERR_DBG, |
| 8168 | "%s: UDP Fragmentation Offload(UFO) enabled\n", |
| 8169 | dev->name); |
raghavendra.koushik@neterion.com | 7ba013a | 2005-08-03 12:29:20 -0700 | [diff] [blame] | 8170 | /* Initialize device name */ |
Ananda Raju | 9dc737a | 2006-04-21 19:05:41 -0400 | [diff] [blame] | 8171 | sprintf(sp->name, "%s Neterion %s", dev->name, sp->product_name); |
raghavendra.koushik@neterion.com | 7ba013a | 2005-08-03 12:29:20 -0700 | [diff] [blame] | 8172 | |
Breno Leitao | cd0fce0 | 2008-09-04 17:52:54 -0300 | [diff] [blame] | 8173 | if (vlan_tag_strip) |
| 8174 | sp->vlan_strip_flag = 1; |
| 8175 | else |
| 8176 | sp->vlan_strip_flag = 0; |
| 8177 | |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 8178 | /* |
| 8179 | * Make Link state as off at this point, when the Link change |
| 8180 | * interrupt comes the state will be automatically changed to |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8181 | * the right state. |
| 8182 | */ |
| 8183 | netif_carrier_off(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8184 | |
| 8185 | return 0; |
| 8186 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8187 | register_failed: |
| 8188 | set_swap_failed: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8189 | iounmap(sp->bar1); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8190 | bar1_remap_failed: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8191 | iounmap(sp->bar0); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8192 | bar0_remap_failed: |
| 8193 | mem_alloc_failed: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8194 | free_shared_mem(sp); |
| 8195 | pci_disable_device(pdev); |
Veena Parat | eccb862 | 2007-07-23 02:23:54 -0400 | [diff] [blame] | 8196 | pci_release_regions(pdev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8197 | pci_set_drvdata(pdev, NULL); |
| 8198 | free_netdev(dev); |
| 8199 | |
| 8200 | return ret; |
| 8201 | } |
| 8202 | |
| 8203 | /** |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 8204 | * s2io_rem_nic - Free the PCI device |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8205 | * @pdev: structure containing the PCI related information of the device. |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 8206 | * Description: This function is called by the Pci subsystem to release a |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8207 | * PCI device and free up all resource held up by the device. This could |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 8208 | * be in response to a Hot plug event or when the driver is to be removed |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8209 | * from memory. |
| 8210 | */ |
| 8211 | |
| 8212 | static void __devexit s2io_rem_nic(struct pci_dev *pdev) |
| 8213 | { |
Joe Perches | a31ff38 | 2010-11-15 10:13:57 +0000 | [diff] [blame] | 8214 | struct net_device *dev = pci_get_drvdata(pdev); |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 8215 | struct s2io_nic *sp; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8216 | |
| 8217 | if (dev == NULL) { |
| 8218 | DBG_PRINT(ERR_DBG, "Driver Data is NULL!!\n"); |
| 8219 | return; |
| 8220 | } |
| 8221 | |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 8222 | sp = netdev_priv(dev); |
Tejun Heo | 23f333a | 2010-12-12 16:45:14 +0100 | [diff] [blame] | 8223 | |
| 8224 | cancel_work_sync(&sp->rst_timer_task); |
| 8225 | cancel_work_sync(&sp->set_link_task); |
| 8226 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8227 | unregister_netdev(dev); |
| 8228 | |
| 8229 | free_shared_mem(sp); |
| 8230 | iounmap(sp->bar0); |
| 8231 | iounmap(sp->bar1); |
Veena Parat | eccb862 | 2007-07-23 02:23:54 -0400 | [diff] [blame] | 8232 | pci_release_regions(pdev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8233 | pci_set_drvdata(pdev, NULL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8234 | free_netdev(dev); |
Sivakumar Subramani | 19a6052 | 2007-01-31 13:30:49 -0500 | [diff] [blame] | 8235 | pci_disable_device(pdev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8236 | } |
| 8237 | |
| 8238 | /** |
| 8239 | * s2io_starter - Entry point for the driver |
| 8240 | * Description: This function is the entry point for the driver. It verifies |
| 8241 | * the module loadable parameters and initializes PCI configuration space. |
| 8242 | */ |
| 8243 | |
Stephen Hemminger | 43b7c45 | 2007-10-05 12:39:21 -0700 | [diff] [blame] | 8244 | static int __init s2io_starter(void) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8245 | { |
Jeff Garzik | 2991762 | 2006-08-19 17:48:59 -0400 | [diff] [blame] | 8246 | return pci_register_driver(&s2io_driver); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8247 | } |
| 8248 | |
| 8249 | /** |
raghavendra.koushik@neterion.com | 2034672 | 2005-08-03 12:24:33 -0700 | [diff] [blame] | 8250 | * s2io_closer - Cleanup routine for the driver |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8251 | * Description: This function is the cleanup routine for the driver. It unregist * ers the driver. |
| 8252 | */ |
| 8253 | |
Sivakumar Subramani | 372cc59 | 2007-01-31 13:32:57 -0500 | [diff] [blame] | 8254 | static __exit void s2io_closer(void) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8255 | { |
| 8256 | pci_unregister_driver(&s2io_driver); |
| 8257 | DBG_PRINT(INIT_DBG, "cleanup done\n"); |
| 8258 | } |
| 8259 | |
| 8260 | module_init(s2io_starter); |
| 8261 | module_exit(s2io_closer); |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8262 | |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 8263 | static int check_L2_lro_capable(u8 *buffer, struct iphdr **ip, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8264 | struct tcphdr **tcp, struct RxD_t *rxdp, |
| 8265 | struct s2io_nic *sp) |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8266 | { |
| 8267 | int ip_off; |
| 8268 | u8 l2_type = (u8)((rxdp->Control_1 >> 37) & 0x7), ip_len; |
| 8269 | |
| 8270 | if (!(rxdp->Control_1 & RXD_FRAME_PROTO_TCP)) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8271 | DBG_PRINT(INIT_DBG, |
| 8272 | "%s: Non-TCP frames not supported for LRO\n", |
Harvey Harrison | b39d66a | 2008-08-20 16:52:04 -0700 | [diff] [blame] | 8273 | __func__); |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8274 | return -1; |
| 8275 | } |
| 8276 | |
Sreenivasa Honnur | cdb5bf0 | 2008-02-20 17:09:15 -0500 | [diff] [blame] | 8277 | /* Checking for DIX type or DIX type with VLAN */ |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8278 | if ((l2_type == 0) || (l2_type == 4)) { |
Sreenivasa Honnur | cdb5bf0 | 2008-02-20 17:09:15 -0500 | [diff] [blame] | 8279 | ip_off = HEADER_ETHERNET_II_802_3_SIZE; |
| 8280 | /* |
| 8281 | * If vlan stripping is disabled and the frame is VLAN tagged, |
| 8282 | * shift the offset by the VLAN header size bytes. |
| 8283 | */ |
Breno Leitao | cd0fce0 | 2008-09-04 17:52:54 -0300 | [diff] [blame] | 8284 | if ((!sp->vlan_strip_flag) && |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8285 | (rxdp->Control_1 & RXD_FRAME_VLAN_TAG)) |
Sreenivasa Honnur | cdb5bf0 | 2008-02-20 17:09:15 -0500 | [diff] [blame] | 8286 | ip_off += HEADER_VLAN_SIZE; |
| 8287 | } else { |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8288 | /* LLC, SNAP etc are considered non-mergeable */ |
Sreenivasa Honnur | cdb5bf0 | 2008-02-20 17:09:15 -0500 | [diff] [blame] | 8289 | return -1; |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8290 | } |
| 8291 | |
| 8292 | *ip = (struct iphdr *)((u8 *)buffer + ip_off); |
| 8293 | ip_len = (u8)((*ip)->ihl); |
| 8294 | ip_len <<= 2; |
| 8295 | *tcp = (struct tcphdr *)((unsigned long)*ip + ip_len); |
| 8296 | |
| 8297 | return 0; |
| 8298 | } |
| 8299 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 8300 | static int check_for_socket_match(struct lro *lro, struct iphdr *ip, |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8301 | struct tcphdr *tcp) |
| 8302 | { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8303 | DBG_PRINT(INFO_DBG, "%s: Been here...\n", __func__); |
| 8304 | if ((lro->iph->saddr != ip->saddr) || |
| 8305 | (lro->iph->daddr != ip->daddr) || |
| 8306 | (lro->tcph->source != tcp->source) || |
| 8307 | (lro->tcph->dest != tcp->dest)) |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8308 | return -1; |
| 8309 | return 0; |
| 8310 | } |
| 8311 | |
| 8312 | static inline int get_l4_pyld_length(struct iphdr *ip, struct tcphdr *tcp) |
| 8313 | { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8314 | return ntohs(ip->tot_len) - (ip->ihl << 2) - (tcp->doff << 2); |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8315 | } |
| 8316 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 8317 | static void initiate_new_session(struct lro *lro, u8 *l2h, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8318 | struct iphdr *ip, struct tcphdr *tcp, |
| 8319 | u32 tcp_pyld_len, u16 vlan_tag) |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8320 | { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8321 | DBG_PRINT(INFO_DBG, "%s: Been here...\n", __func__); |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8322 | lro->l2h = l2h; |
| 8323 | lro->iph = ip; |
| 8324 | lro->tcph = tcp; |
| 8325 | lro->tcp_next_seq = tcp_pyld_len + ntohl(tcp->seq); |
Surjit Reang | c885595 | 2008-02-03 04:27:38 -0800 | [diff] [blame] | 8326 | lro->tcp_ack = tcp->ack_seq; |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8327 | lro->sg_num = 1; |
| 8328 | lro->total_len = ntohs(ip->tot_len); |
| 8329 | lro->frags_len = 0; |
Sreenivasa Honnur | cdb5bf0 | 2008-02-20 17:09:15 -0500 | [diff] [blame] | 8330 | lro->vlan_tag = vlan_tag; |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 8331 | /* |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8332 | * Check if we saw TCP timestamp. |
| 8333 | * Other consistency checks have already been done. |
| 8334 | */ |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8335 | if (tcp->doff == 8) { |
Surjit Reang | c885595 | 2008-02-03 04:27:38 -0800 | [diff] [blame] | 8336 | __be32 *ptr; |
| 8337 | ptr = (__be32 *)(tcp+1); |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8338 | lro->saw_ts = 1; |
Surjit Reang | c885595 | 2008-02-03 04:27:38 -0800 | [diff] [blame] | 8339 | lro->cur_tsval = ntohl(*(ptr+1)); |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8340 | lro->cur_tsecr = *(ptr+2); |
| 8341 | } |
| 8342 | lro->in_use = 1; |
| 8343 | } |
| 8344 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 8345 | static void update_L3L4_header(struct s2io_nic *sp, struct lro *lro) |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8346 | { |
| 8347 | struct iphdr *ip = lro->iph; |
| 8348 | struct tcphdr *tcp = lro->tcph; |
Al Viro | bd4f3ae | 2007-02-09 16:40:15 +0000 | [diff] [blame] | 8349 | __sum16 nchk; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 8350 | struct swStat *swstats = &sp->mac_control.stats_info->sw_stat; |
| 8351 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8352 | DBG_PRINT(INFO_DBG, "%s: Been here...\n", __func__); |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8353 | |
| 8354 | /* Update L3 header */ |
| 8355 | ip->tot_len = htons(lro->total_len); |
| 8356 | ip->check = 0; |
| 8357 | nchk = ip_fast_csum((u8 *)lro->iph, ip->ihl); |
| 8358 | ip->check = nchk; |
| 8359 | |
| 8360 | /* Update L4 header */ |
| 8361 | tcp->ack_seq = lro->tcp_ack; |
| 8362 | tcp->window = lro->window; |
| 8363 | |
| 8364 | /* Update tsecr field if this session has timestamps enabled */ |
| 8365 | if (lro->saw_ts) { |
Surjit Reang | c885595 | 2008-02-03 04:27:38 -0800 | [diff] [blame] | 8366 | __be32 *ptr = (__be32 *)(tcp + 1); |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8367 | *(ptr+2) = lro->cur_tsecr; |
| 8368 | } |
| 8369 | |
| 8370 | /* Update counters required for calculation of |
| 8371 | * average no. of packets aggregated. |
| 8372 | */ |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 8373 | swstats->sum_avg_pkts_aggregated += lro->sg_num; |
| 8374 | swstats->num_aggregations++; |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8375 | } |
| 8376 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 8377 | static void aggregate_new_rx(struct lro *lro, struct iphdr *ip, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8378 | struct tcphdr *tcp, u32 l4_pyld) |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8379 | { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8380 | DBG_PRINT(INFO_DBG, "%s: Been here...\n", __func__); |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8381 | lro->total_len += l4_pyld; |
| 8382 | lro->frags_len += l4_pyld; |
| 8383 | lro->tcp_next_seq += l4_pyld; |
| 8384 | lro->sg_num++; |
| 8385 | |
| 8386 | /* Update ack seq no. and window ad(from this pkt) in LRO object */ |
| 8387 | lro->tcp_ack = tcp->ack_seq; |
| 8388 | lro->window = tcp->window; |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 8389 | |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8390 | if (lro->saw_ts) { |
Surjit Reang | c885595 | 2008-02-03 04:27:38 -0800 | [diff] [blame] | 8391 | __be32 *ptr; |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8392 | /* Update tsecr and tsval from this packet */ |
Surjit Reang | c885595 | 2008-02-03 04:27:38 -0800 | [diff] [blame] | 8393 | ptr = (__be32 *)(tcp+1); |
| 8394 | lro->cur_tsval = ntohl(*(ptr+1)); |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8395 | lro->cur_tsecr = *(ptr + 2); |
| 8396 | } |
| 8397 | } |
| 8398 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 8399 | static int verify_l3_l4_lro_capable(struct lro *l_lro, struct iphdr *ip, |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8400 | struct tcphdr *tcp, u32 tcp_pyld_len) |
| 8401 | { |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8402 | u8 *ptr; |
| 8403 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8404 | DBG_PRINT(INFO_DBG, "%s: Been here...\n", __func__); |
Andrew Morton | 79dc190 | 2006-02-03 01:45:13 -0800 | [diff] [blame] | 8405 | |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8406 | if (!tcp_pyld_len) { |
| 8407 | /* Runt frame or a pure ack */ |
| 8408 | return -1; |
| 8409 | } |
| 8410 | |
| 8411 | if (ip->ihl != 5) /* IP has options */ |
| 8412 | return -1; |
| 8413 | |
Ananda Raju | 75c30b1 | 2006-07-24 19:55:09 -0400 | [diff] [blame] | 8414 | /* If we see CE codepoint in IP header, packet is not mergeable */ |
| 8415 | if (INET_ECN_is_ce(ipv4_get_dsfield(ip))) |
| 8416 | return -1; |
| 8417 | |
| 8418 | /* If we see ECE or CWR flags in TCP header, packet is not mergeable */ |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8419 | if (tcp->urg || tcp->psh || tcp->rst || |
| 8420 | tcp->syn || tcp->fin || |
| 8421 | tcp->ece || tcp->cwr || !tcp->ack) { |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8422 | /* |
| 8423 | * Currently recognize only the ack control word and |
| 8424 | * any other control field being set would result in |
| 8425 | * flushing the LRO session |
| 8426 | */ |
| 8427 | return -1; |
| 8428 | } |
| 8429 | |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 8430 | /* |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8431 | * Allow only one TCP timestamp option. Don't aggregate if |
| 8432 | * any other options are detected. |
| 8433 | */ |
| 8434 | if (tcp->doff != 5 && tcp->doff != 8) |
| 8435 | return -1; |
| 8436 | |
| 8437 | if (tcp->doff == 8) { |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 8438 | ptr = (u8 *)(tcp + 1); |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8439 | while (*ptr == TCPOPT_NOP) |
| 8440 | ptr++; |
| 8441 | if (*ptr != TCPOPT_TIMESTAMP || *(ptr+1) != TCPOLEN_TIMESTAMP) |
| 8442 | return -1; |
| 8443 | |
| 8444 | /* Ensure timestamp value increases monotonically */ |
| 8445 | if (l_lro) |
Surjit Reang | c885595 | 2008-02-03 04:27:38 -0800 | [diff] [blame] | 8446 | if (l_lro->cur_tsval > ntohl(*((__be32 *)(ptr+2)))) |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8447 | return -1; |
| 8448 | |
| 8449 | /* timestamp echo reply should be non-zero */ |
Surjit Reang | c885595 | 2008-02-03 04:27:38 -0800 | [diff] [blame] | 8450 | if (*((__be32 *)(ptr+6)) == 0) |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8451 | return -1; |
| 8452 | } |
| 8453 | |
| 8454 | return 0; |
| 8455 | } |
| 8456 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8457 | static int s2io_club_tcp_session(struct ring_info *ring_data, u8 *buffer, |
| 8458 | u8 **tcp, u32 *tcp_len, struct lro **lro, |
| 8459 | struct RxD_t *rxdp, struct s2io_nic *sp) |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8460 | { |
| 8461 | struct iphdr *ip; |
| 8462 | struct tcphdr *tcph; |
| 8463 | int ret = 0, i; |
Sreenivasa Honnur | cdb5bf0 | 2008-02-20 17:09:15 -0500 | [diff] [blame] | 8464 | u16 vlan_tag = 0; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 8465 | struct swStat *swstats = &sp->mac_control.stats_info->sw_stat; |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8466 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8467 | ret = check_L2_lro_capable(buffer, &ip, (struct tcphdr **)tcp, |
| 8468 | rxdp, sp); |
| 8469 | if (ret) |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8470 | return ret; |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8471 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8472 | DBG_PRINT(INFO_DBG, "IP Saddr: %x Daddr: %x\n", ip->saddr, ip->daddr); |
| 8473 | |
Sreenivasa Honnur | cdb5bf0 | 2008-02-20 17:09:15 -0500 | [diff] [blame] | 8474 | vlan_tag = RXD_GET_VLAN_TAG(rxdp->Control_2); |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8475 | tcph = (struct tcphdr *)*tcp; |
| 8476 | *tcp_len = get_l4_pyld_length(ip, tcph); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8477 | for (i = 0; i < MAX_LRO_SESSIONS; i++) { |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 8478 | struct lro *l_lro = &ring_data->lro0_n[i]; |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8479 | if (l_lro->in_use) { |
| 8480 | if (check_for_socket_match(l_lro, ip, tcph)) |
| 8481 | continue; |
| 8482 | /* Sock pair matched */ |
| 8483 | *lro = l_lro; |
| 8484 | |
| 8485 | if ((*lro)->tcp_next_seq != ntohl(tcph->seq)) { |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 8486 | DBG_PRINT(INFO_DBG, "%s: Out of sequence. " |
| 8487 | "expected 0x%x, actual 0x%x\n", |
| 8488 | __func__, |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8489 | (*lro)->tcp_next_seq, |
| 8490 | ntohl(tcph->seq)); |
| 8491 | |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 8492 | swstats->outof_sequence_pkts++; |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8493 | ret = 2; |
| 8494 | break; |
| 8495 | } |
| 8496 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8497 | if (!verify_l3_l4_lro_capable(l_lro, ip, tcph, |
| 8498 | *tcp_len)) |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8499 | ret = 1; /* Aggregate */ |
| 8500 | else |
| 8501 | ret = 2; /* Flush both */ |
| 8502 | break; |
| 8503 | } |
| 8504 | } |
| 8505 | |
| 8506 | if (ret == 0) { |
| 8507 | /* Before searching for available LRO objects, |
| 8508 | * check if the pkt is L3/L4 aggregatable. If not |
| 8509 | * don't create new LRO session. Just send this |
| 8510 | * packet up. |
| 8511 | */ |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8512 | if (verify_l3_l4_lro_capable(NULL, ip, tcph, *tcp_len)) |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8513 | return 5; |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8514 | |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8515 | for (i = 0; i < MAX_LRO_SESSIONS; i++) { |
Sreenivasa Honnur | 0425b46 | 2008-04-28 21:08:45 -0400 | [diff] [blame] | 8516 | struct lro *l_lro = &ring_data->lro0_n[i]; |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8517 | if (!(l_lro->in_use)) { |
| 8518 | *lro = l_lro; |
| 8519 | ret = 3; /* Begin anew */ |
| 8520 | break; |
| 8521 | } |
| 8522 | } |
| 8523 | } |
| 8524 | |
| 8525 | if (ret == 0) { /* sessions exceeded */ |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 8526 | DBG_PRINT(INFO_DBG, "%s: All LRO sessions already in use\n", |
Harvey Harrison | b39d66a | 2008-08-20 16:52:04 -0700 | [diff] [blame] | 8527 | __func__); |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8528 | *lro = NULL; |
| 8529 | return ret; |
| 8530 | } |
| 8531 | |
| 8532 | switch (ret) { |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8533 | case 3: |
| 8534 | initiate_new_session(*lro, buffer, ip, tcph, *tcp_len, |
| 8535 | vlan_tag); |
| 8536 | break; |
| 8537 | case 2: |
| 8538 | update_L3L4_header(sp, *lro); |
| 8539 | break; |
| 8540 | case 1: |
| 8541 | aggregate_new_rx(*lro, ip, tcph, *tcp_len); |
| 8542 | if ((*lro)->sg_num == sp->lro_max_aggr_per_sess) { |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8543 | update_L3L4_header(sp, *lro); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8544 | ret = 4; /* Flush the LRO */ |
| 8545 | } |
| 8546 | break; |
| 8547 | default: |
Joe Perches | 9e39f7c | 2009-08-25 08:52:00 +0000 | [diff] [blame] | 8548 | DBG_PRINT(ERR_DBG, "%s: Don't know, can't say!!\n", __func__); |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8549 | break; |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8550 | } |
| 8551 | |
| 8552 | return ret; |
| 8553 | } |
| 8554 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 8555 | static void clear_lro_session(struct lro *lro) |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8556 | { |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 8557 | static u16 lro_struct_size = sizeof(struct lro); |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8558 | |
| 8559 | memset(lro, 0, lro_struct_size); |
| 8560 | } |
| 8561 | |
Sreenivasa Honnur | cdb5bf0 | 2008-02-20 17:09:15 -0500 | [diff] [blame] | 8562 | static void queue_rx_frame(struct sk_buff *skb, u16 vlan_tag) |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8563 | { |
| 8564 | struct net_device *dev = skb->dev; |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 8565 | struct s2io_nic *sp = netdev_priv(dev); |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8566 | |
| 8567 | skb->protocol = eth_type_trans(skb, dev); |
Jiri Pirko | b85da2c | 2011-07-20 04:54:24 +0000 | [diff] [blame] | 8568 | if (vlan_tag && sp->vlan_strip_flag) |
| 8569 | __vlan_hwaccel_put_tag(skb, vlan_tag); |
| 8570 | if (sp->config.napi) |
| 8571 | netif_receive_skb(skb); |
| 8572 | else |
| 8573 | netif_rx(skb); |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8574 | } |
| 8575 | |
Ralf Baechle | 1ee6dd7 | 2007-01-31 14:09:29 -0500 | [diff] [blame] | 8576 | static void lro_append_pkt(struct s2io_nic *sp, struct lro *lro, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8577 | struct sk_buff *skb, u32 tcp_len) |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8578 | { |
Ananda Raju | 75c30b1 | 2006-07-24 19:55:09 -0400 | [diff] [blame] | 8579 | struct sk_buff *first = lro->parent; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 8580 | struct swStat *swstats = &sp->mac_control.stats_info->sw_stat; |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8581 | |
| 8582 | first->len += tcp_len; |
| 8583 | first->data_len = lro->frags_len; |
| 8584 | skb_pull(skb, (skb->len - tcp_len)); |
Ananda Raju | 75c30b1 | 2006-07-24 19:55:09 -0400 | [diff] [blame] | 8585 | if (skb_shinfo(first)->frag_list) |
| 8586 | lro->last_frag->next = skb; |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8587 | else |
| 8588 | skb_shinfo(first)->frag_list = skb; |
Sivakumar Subramani | 372cc59 | 2007-01-31 13:32:57 -0500 | [diff] [blame] | 8589 | first->truesize += skb->truesize; |
Ananda Raju | 75c30b1 | 2006-07-24 19:55:09 -0400 | [diff] [blame] | 8590 | lro->last_frag = skb; |
Joe Perches | ffb5df6 | 2009-08-24 17:29:47 +0000 | [diff] [blame] | 8591 | swstats->clubbed_frms_cnt++; |
Ravinandan Arakali | 7d3d0439 | 2006-01-25 14:53:07 -0500 | [diff] [blame] | 8592 | } |
Linas Vepstas | d796fdb | 2007-05-14 18:37:30 -0500 | [diff] [blame] | 8593 | |
| 8594 | /** |
| 8595 | * s2io_io_error_detected - called when PCI error is detected |
| 8596 | * @pdev: Pointer to PCI device |
Rolf Eike Beer | 8453d43 | 2007-07-10 11:58:02 +0200 | [diff] [blame] | 8597 | * @state: The current pci connection state |
Linas Vepstas | d796fdb | 2007-05-14 18:37:30 -0500 | [diff] [blame] | 8598 | * |
| 8599 | * This function is called after a PCI bus error affecting |
| 8600 | * this device has been detected. |
| 8601 | */ |
| 8602 | static pci_ers_result_t s2io_io_error_detected(struct pci_dev *pdev, |
Joe Perches | d44570e | 2009-08-24 17:29:44 +0000 | [diff] [blame] | 8603 | pci_channel_state_t state) |
Linas Vepstas | d796fdb | 2007-05-14 18:37:30 -0500 | [diff] [blame] | 8604 | { |
| 8605 | struct net_device *netdev = pci_get_drvdata(pdev); |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 8606 | struct s2io_nic *sp = netdev_priv(netdev); |
Linas Vepstas | d796fdb | 2007-05-14 18:37:30 -0500 | [diff] [blame] | 8607 | |
| 8608 | netif_device_detach(netdev); |
| 8609 | |
Dean Nelson | 1e3c8bd | 2009-07-31 09:13:56 +0000 | [diff] [blame] | 8610 | if (state == pci_channel_io_perm_failure) |
| 8611 | return PCI_ERS_RESULT_DISCONNECT; |
| 8612 | |
Linas Vepstas | d796fdb | 2007-05-14 18:37:30 -0500 | [diff] [blame] | 8613 | if (netif_running(netdev)) { |
| 8614 | /* Bring down the card, while avoiding PCI I/O */ |
| 8615 | do_s2io_card_down(sp, 0); |
Linas Vepstas | d796fdb | 2007-05-14 18:37:30 -0500 | [diff] [blame] | 8616 | } |
| 8617 | pci_disable_device(pdev); |
| 8618 | |
| 8619 | return PCI_ERS_RESULT_NEED_RESET; |
| 8620 | } |
| 8621 | |
| 8622 | /** |
| 8623 | * s2io_io_slot_reset - called after the pci bus has been reset. |
| 8624 | * @pdev: Pointer to PCI device |
| 8625 | * |
| 8626 | * Restart the card from scratch, as if from a cold-boot. |
| 8627 | * At this point, the card has exprienced a hard reset, |
| 8628 | * followed by fixups by BIOS, and has its config space |
| 8629 | * set up identically to what it was at cold boot. |
| 8630 | */ |
| 8631 | static pci_ers_result_t s2io_io_slot_reset(struct pci_dev *pdev) |
| 8632 | { |
| 8633 | struct net_device *netdev = pci_get_drvdata(pdev); |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 8634 | struct s2io_nic *sp = netdev_priv(netdev); |
Linas Vepstas | d796fdb | 2007-05-14 18:37:30 -0500 | [diff] [blame] | 8635 | |
| 8636 | if (pci_enable_device(pdev)) { |
Joe Perches | 6cef2b8e | 2009-08-24 17:29:45 +0000 | [diff] [blame] | 8637 | pr_err("Cannot re-enable PCI device after reset.\n"); |
Linas Vepstas | d796fdb | 2007-05-14 18:37:30 -0500 | [diff] [blame] | 8638 | return PCI_ERS_RESULT_DISCONNECT; |
| 8639 | } |
| 8640 | |
| 8641 | pci_set_master(pdev); |
| 8642 | s2io_reset(sp); |
| 8643 | |
| 8644 | return PCI_ERS_RESULT_RECOVERED; |
| 8645 | } |
| 8646 | |
| 8647 | /** |
| 8648 | * s2io_io_resume - called when traffic can start flowing again. |
| 8649 | * @pdev: Pointer to PCI device |
| 8650 | * |
| 8651 | * This callback is called when the error recovery driver tells |
| 8652 | * us that its OK to resume normal operation. |
| 8653 | */ |
| 8654 | static void s2io_io_resume(struct pci_dev *pdev) |
| 8655 | { |
| 8656 | struct net_device *netdev = pci_get_drvdata(pdev); |
Wang Chen | 4cf1653 | 2008-11-12 23:38:14 -0800 | [diff] [blame] | 8657 | struct s2io_nic *sp = netdev_priv(netdev); |
Linas Vepstas | d796fdb | 2007-05-14 18:37:30 -0500 | [diff] [blame] | 8658 | |
| 8659 | if (netif_running(netdev)) { |
| 8660 | if (s2io_card_up(sp)) { |
Joe Perches | 6cef2b8e | 2009-08-24 17:29:45 +0000 | [diff] [blame] | 8661 | pr_err("Can't bring device back up after reset.\n"); |
Linas Vepstas | d796fdb | 2007-05-14 18:37:30 -0500 | [diff] [blame] | 8662 | return; |
| 8663 | } |
| 8664 | |
| 8665 | if (s2io_set_mac_addr(netdev, netdev->dev_addr) == FAILURE) { |
| 8666 | s2io_card_down(sp); |
Joe Perches | 6cef2b8e | 2009-08-24 17:29:45 +0000 | [diff] [blame] | 8667 | pr_err("Can't restore mac addr after reset.\n"); |
Linas Vepstas | d796fdb | 2007-05-14 18:37:30 -0500 | [diff] [blame] | 8668 | return; |
| 8669 | } |
| 8670 | } |
| 8671 | |
| 8672 | netif_device_attach(netdev); |
David S. Miller | fd2ea0a | 2008-07-17 01:56:23 -0700 | [diff] [blame] | 8673 | netif_tx_wake_all_queues(netdev); |
Linas Vepstas | d796fdb | 2007-05-14 18:37:30 -0500 | [diff] [blame] | 8674 | } |