[PATCH] NetXen: multiport firmware support, ioctl interface
NetXen: 1G/10G Ethernet driver updates
- Multiport and newer firmware support
- ioctl interface for user level tools
- Cast error fix for multiport
Signed-off-by: Amit S. Kale <amitkale@netxen.com>
netxen_nic.h | 281 +++++++++++++++++++++++++-------
netxen_nic_ethtool.c | 12 -
netxen_nic_hw.c | 429 +++++++++++++++++++++++++++++++++++++++++---------
netxen_nic_init.c | 301 ++++++++++++++++++++++++++++++-----
netxen_nic_ioctl.h | 2
netxen_nic_isr.c | 3
netxen_nic_main.c | 260 ++++++++++++++++++------------
netxen_nic_niu.c | 22 +-
netxen_nic_phan_reg.h | 228 ++++++++++++++++----------
9 files changed, 1161 insertions(+), 377 deletions(-)
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h
index d51f437..3151aaa 100644
--- a/drivers/net/netxen/netxen_nic.h
+++ b/drivers/net/netxen/netxen_nic.h
@@ -63,27 +63,49 @@
#include "netxen_nic_hw.h"
-#define NETXEN_NIC_BUILD_NO "5"
-#define _NETXEN_NIC_LINUX_MAJOR 2
+#define NETXEN_NIC_BUILD_NO "1"
+#define _NETXEN_NIC_LINUX_MAJOR 3
#define _NETXEN_NIC_LINUX_MINOR 3
-#define _NETXEN_NIC_LINUX_SUBVERSION 59
-#define NETXEN_NIC_LINUX_VERSIONID "2.3.59" "-" NETXEN_NIC_BUILD_NO
-#define NETXEN_NIC_FW_VERSIONID "2.3.59"
+#define _NETXEN_NIC_LINUX_SUBVERSION 2
+#define NETXEN_NIC_LINUX_VERSIONID "3.3.2" "-" NETXEN_NIC_BUILD_NO
+#define NETXEN_NIC_FW_VERSIONID "3.3.2"
#define RCV_DESC_RINGSIZE \
(sizeof(struct rcv_desc) * adapter->max_rx_desc_count)
#define STATUS_DESC_RINGSIZE \
(sizeof(struct status_desc)* adapter->max_rx_desc_count)
+#define LRO_DESC_RINGSIZE \
+ (sizeof(rcvDesc_t) * adapter->max_lro_rx_desc_count)
#define TX_RINGSIZE \
(sizeof(struct netxen_cmd_buffer) * adapter->max_tx_desc_count)
#define RCV_BUFFSIZE \
(sizeof(struct netxen_rx_buffer) * rcv_desc->max_rx_desc_count)
#define find_diff_among(a,b,range) ((a)<(b)?((b)-(a)):((b)+(range)-(a)))
-#define NETXEN_NETDEV_STATUS 0x1
+#define NETXEN_NETDEV_STATUS 0x1
+#define NETXEN_RCV_PRODUCER_OFFSET 0
+#define NETXEN_RCV_PEG_DB_ID 2
+#define NETXEN_HOST_DUMMY_DMA_SIZE 1024
#define ADDR_IN_WINDOW1(off) \
((off > NETXEN_CRB_PCIX_HOST2) && (off < NETXEN_CRB_MAX)) ? 1 : 0
+/*
+ * In netxen_nic_down(), we must wait for any pending callback requests into
+ * netxen_watchdog_task() to complete; eg otherwise the watchdog_timer could be
+ * reenabled right after it is deleted in netxen_nic_down(). FLUSH_SCHEDULED_WORK()
+ * does this synchronization.
+ *
+ * Normally, schedule_work()/flush_scheduled_work() could have worked, but
+ * netxen_nic_close() is invoked with kernel rtnl lock held. netif_carrier_off()
+ * call in netxen_nic_close() triggers a schedule_work(&linkwatch_work), and a
+ * subsequent call to flush_scheduled_work() in netxen_nic_down() would cause
+ * linkwatch_event() to be executed which also attempts to acquire the rtnl
+ * lock thus causing a deadlock.
+ */
+
+#define SCHEDULE_WORK(tp) queue_work(netxen_workq, tp)
+#define FLUSH_SCHEDULED_WORK() flush_workqueue(netxen_workq)
+extern struct workqueue_struct *netxen_workq;
/*
* normalize a 64MB crb address to 32MB PCI window
@@ -95,8 +117,14 @@
#define NETXEN_CRB_NORMALIZE(adapter, reg) \
pci_base_offset(adapter, NETXEN_CRB_NORMAL(reg))
+#define DB_NORMALIZE(adapter, off) \
+ (adapter->ahw.db_base + (off))
+
+#define NX_P2_C0 0x24
+#define NX_P2_C1 0x25
+
#define FIRST_PAGE_GROUP_START 0
-#define FIRST_PAGE_GROUP_END 0x400000
+#define FIRST_PAGE_GROUP_END 0x100000
#define SECOND_PAGE_GROUP_START 0x4000000
#define SECOND_PAGE_GROUP_END 0x66BC000
@@ -108,11 +136,13 @@
#define SECOND_PAGE_GROUP_SIZE SECOND_PAGE_GROUP_END - SECOND_PAGE_GROUP_START
#define THIRD_PAGE_GROUP_SIZE THIRD_PAGE_GROUP_END - THIRD_PAGE_GROUP_START
-#define MAX_RX_BUFFER_LENGTH 2000
+#define MAX_RX_BUFFER_LENGTH 1760
#define MAX_RX_JUMBO_BUFFER_LENGTH 9046
-#define RX_DMA_MAP_LEN (MAX_RX_BUFFER_LENGTH - NET_IP_ALIGN)
+#define MAX_RX_LRO_BUFFER_LENGTH ((48*1024)-512)
+#define RX_DMA_MAP_LEN (MAX_RX_BUFFER_LENGTH - 2)
#define RX_JUMBO_DMA_MAP_LEN \
- (MAX_RX_JUMBO_BUFFER_LENGTH - NET_IP_ALIGN)
+ (MAX_RX_JUMBO_BUFFER_LENGTH - 2)
+#define RX_LRO_DMA_MAP_LEN (MAX_RX_LRO_BUFFER_LENGTH - 2)
#define NETXEN_ROM_ROUNDUP 0x80000000ULL
/*
@@ -151,30 +181,38 @@
/* Host writes the following to notify that it has done the init-handshake */
#define PHAN_INITIALIZE_ACK 0xf00f
-#define NUM_RCV_DESC_RINGS 2 /* No of Rcv Descriptor contexts */
+#define NUM_RCV_DESC_RINGS 3 /* No of Rcv Descriptor contexts */
/* descriptor types */
#define RCV_DESC_NORMAL 0x01
#define RCV_DESC_JUMBO 0x02
+#define RCV_DESC_LRO 0x04
#define RCV_DESC_NORMAL_CTXID 0
#define RCV_DESC_JUMBO_CTXID 1
+#define RCV_DESC_LRO_CTXID 2
#define RCV_DESC_TYPE(ID) \
- ((ID == RCV_DESC_JUMBO_CTXID) ? RCV_DESC_JUMBO : RCV_DESC_NORMAL)
+ ((ID == RCV_DESC_JUMBO_CTXID) \
+ ? RCV_DESC_JUMBO \
+ : ((ID == RCV_DESC_LRO_CTXID) \
+ ? RCV_DESC_LRO : \
+ (RCV_DESC_NORMAL)))
#define MAX_CMD_DESCRIPTORS 1024
#define MAX_RCV_DESCRIPTORS 32768
#define MAX_JUMBO_RCV_DESCRIPTORS 4096
+#define MAX_LRO_RCV_DESCRIPTORS 2048
#define MAX_RCVSTATUS_DESCRIPTORS MAX_RCV_DESCRIPTORS
#define MAX_JUMBO_RCV_DESC MAX_JUMBO_RCV_DESCRIPTORS
#define MAX_RCV_DESC MAX_RCV_DESCRIPTORS
#define MAX_RCVSTATUS_DESC MAX_RCV_DESCRIPTORS
-#define NUM_RCV_DESC (MAX_RCV_DESC + MAX_JUMBO_RCV_DESCRIPTORS)
#define MAX_EPG_DESCRIPTORS (MAX_CMD_DESCRIPTORS * 8)
-
+#define NUM_RCV_DESC (MAX_RCV_DESC + MAX_JUMBO_RCV_DESCRIPTORS + \
+ MAX_LRO_RCV_DESCRIPTORS)
#define MIN_TX_COUNT 4096
#define MIN_RX_COUNT 4096
-
+#define NETXEN_CTX_SIGNATURE 0xdee0
+#define NETXEN_RCV_PRODUCER(ringid) (ringid)
#define MAX_FRAME_SIZE 0x10000 /* 64K MAX size for LSO */
#define PHAN_PEG_RCV_INITIALIZED 0xff01
@@ -186,6 +224,67 @@
#define get_index_range(index,length,count) \
(((index) + (count)) & ((length) - 1))
+#define MPORT_SINGLE_FUNCTION_MODE 0x1111
+
+extern unsigned long long netxen_dma_mask;
+
+/*
+ * NetXen host-peg signal message structure
+ *
+ * Bit 0-1 : peg_id => 0x2 for tx and 01 for rx
+ * Bit 2 : priv_id => must be 1
+ * Bit 3-17 : count => for doorbell
+ * Bit 18-27 : ctx_id => Context id
+ * Bit 28-31 : opcode
+ */
+
+typedef u32 netxen_ctx_msg;
+
+#define _netxen_set_bits(config_word, start, bits, val) {\
+ unsigned long long mask = (((1ULL << (bits)) - 1) << (start)); \
+ unsigned long long value = (val); \
+ (config_word) &= ~mask; \
+ (config_word) |= (((value) << (start)) & mask); \
+}
+
+#define netxen_set_msg_peg_id(config_word, val) \
+ _netxen_set_bits(config_word, 0, 2, val)
+#define netxen_set_msg_privid(config_word) \
+ set_bit(2, (unsigned long*)&config_word)
+#define netxen_set_msg_count(config_word, val) \
+ _netxen_set_bits(config_word, 3, 15, val)
+#define netxen_set_msg_ctxid(config_word, val) \
+ _netxen_set_bits(config_word, 18, 10, val)
+#define netxen_set_msg_opcode(config_word, val) \
+ _netxen_set_bits(config_word, 28, 4, val)
+
+struct netxen_rcv_context {
+ u32 rcv_ring_addr_lo;
+ u32 rcv_ring_addr_hi;
+ u32 rcv_ring_size;
+ u32 rsrvd;
+};
+
+struct netxen_ring_ctx {
+
+ /* one command ring */
+ u64 cmd_consumer_offset;
+ u32 cmd_ring_addr_lo;
+ u32 cmd_ring_addr_hi;
+ u32 cmd_ring_size;
+ u32 rsrvd;
+
+ /* three receive rings */
+ struct netxen_rcv_context rcv_ctx[3];
+
+ /* one status ring */
+ u32 sts_ring_addr_lo;
+ u32 sts_ring_addr_hi;
+ u32 sts_ring_size;
+
+ u32 ctx_id;
+} __attribute__ ((aligned(64)));
+
/*
* Following data structures describe the descriptors that will be used.
* Added fileds of tcpHdrSize and ipHdrSize, The driver needs to do it only when
@@ -203,22 +302,32 @@
#define FLAGS_IPSEC_SA_DELETE 0x08
#define FLAGS_VLAN_TAGGED 0x10
-#define CMD_DESC_TOTAL_LENGTH(cmd_desc) \
- ((cmd_desc)->length_tcp_hdr & 0x00FFFFFF)
-#define CMD_DESC_TCP_HDR_OFFSET(cmd_desc) \
- (((cmd_desc)->length_tcp_hdr >> 24) & 0x0FF)
-#define CMD_DESC_PORT(cmd_desc) ((cmd_desc)->port_ctxid & 0x0F)
-#define CMD_DESC_CTX_ID(cmd_desc) (((cmd_desc)->port_ctxid >> 4) & 0x0F)
+#define netxen_set_cmd_desc_port(cmd_desc, var) \
+ ((cmd_desc)->port_ctxid |= ((var) & 0x0F))
-#define CMD_DESC_TOTAL_LENGTH_WRT(cmd_desc, var) \
- ((cmd_desc)->length_tcp_hdr |= ((var) & 0x00FFFFFF))
-#define CMD_DESC_TCP_HDR_OFFSET_WRT(cmd_desc, var) \
- ((cmd_desc)->length_tcp_hdr |= (((var) << 24) & 0xFF000000))
-#define CMD_DESC_PORT_WRT(cmd_desc, var) \
- ((cmd_desc)->port_ctxid |= ((var) & 0x0F))
+#define netxen_set_cmd_desc_flags(cmd_desc, val) \
+ _netxen_set_bits((cmd_desc)->flags_opcode, 0, 7, val)
+#define netxen_set_cmd_desc_opcode(cmd_desc, val) \
+ _netxen_set_bits((cmd_desc)->flags_opcode, 7, 6, val)
+
+#define netxen_set_cmd_desc_num_of_buff(cmd_desc, val) \
+ _netxen_set_bits((cmd_desc)->num_of_buffers_total_length, 0, 8, val);
+#define netxen_set_cmd_desc_totallength(cmd_desc, val) \
+ _netxen_set_bits((cmd_desc)->num_of_buffers_total_length, 8, 24, val);
+
+#define netxen_get_cmd_desc_opcode(cmd_desc) \
+ (((cmd_desc)->flags_opcode >> 7) & 0x003F)
+#define netxen_get_cmd_desc_totallength(cmd_desc) \
+ (((cmd_desc)->num_of_buffers_total_length >> 8) & 0x0FFFFFF)
struct cmd_desc_type0 {
- u64 netxen_next; /* for fragments handled by Phantom */
+ u8 tcp_hdr_offset; /* For LSO only */
+ u8 ip_hdr_offset; /* For LSO only */
+ /* Bit pattern: 0-6 flags, 7-12 opcode, 13-15 unused */
+ u16 flags_opcode;
+ /* Bit pattern: 0-7 total number of segments,
+ 8-31 Total size of the packet */
+ u32 num_of_buffers_total_length;
union {
struct {
u32 addr_low_part2;
@@ -227,13 +336,6 @@
u64 addr_buffer2;
};
- /* Bit pattern: 0-23 total length, 24-32 tcp header offset */
- u32 length_tcp_hdr;
- u8 ip_hdr_offset; /* For LSO only */
- u8 num_of_buffers; /* total number of segments */
- u8 flags; /* as defined above */
- u8 opcode;
-
u16 reference_handle; /* changed to u16 to add mss */
u16 mss; /* passed by NDIS_PACKET for LSO */
/* Bit pattern 0-3 port, 0-3 ctx id */
@@ -248,7 +350,6 @@
};
u64 addr_buffer3;
};
-
union {
struct {
u32 addr_low_part1;
@@ -270,6 +371,8 @@
u64 addr_buffer4;
};
+ u64 unused;
+
} __attribute__ ((aligned(64)));
/* Note: sizeof(rcv_desc) should always be a mutliple of 2 */
@@ -296,22 +399,49 @@
#define NETXEN_PROT_UNKNOWN (0)
/* Note: sizeof(status_desc) should always be a mutliple of 2 */
-#define STATUS_DESC_PORT(status_desc) \
- ((status_desc)->port_status_type_op & 0x0F)
-#define STATUS_DESC_STATUS(status_desc) \
- (((status_desc)->port_status_type_op >> 4) & 0x0F)
-#define STATUS_DESC_TYPE(status_desc) \
- (((status_desc)->port_status_type_op >> 8) & 0x0F)
-#define STATUS_DESC_OPCODE(status_desc) \
- (((status_desc)->port_status_type_op >> 12) & 0x0F)
+
+#define netxen_get_sts_desc_lro_cnt(status_desc) \
+ ((status_desc)->lro & 0x7F)
+#define netxen_get_sts_desc_lro_last_frag(status_desc) \
+ (((status_desc)->lro & 0x80) >> 7)
+
+#define netxen_get_sts_port(status_desc) \
+ ((status_desc)->status_desc_data & 0x0F)
+#define netxen_get_sts_status(status_desc) \
+ (((status_desc)->status_desc_data >> 4) & 0x0F)
+#define netxen_get_sts_type(status_desc) \
+ (((status_desc)->status_desc_data >> 8) & 0x0F)
+#define netxen_get_sts_totallength(status_desc) \
+ (((status_desc)->status_desc_data >> 12) & 0xFFFF)
+#define netxen_get_sts_refhandle(status_desc) \
+ (((status_desc)->status_desc_data >> 28) & 0xFFFF)
+#define netxen_get_sts_prot(status_desc) \
+ (((status_desc)->status_desc_data >> 44) & 0x0F)
+#define netxen_get_sts_owner(status_desc) \
+ (((status_desc)->status_desc_data >> 56) & 0x03)
+#define netxen_get_sts_opcode(status_desc) \
+ (((status_desc)->status_desc_data >> 58) & 0x03F)
+
+#define netxen_clear_sts_owner(status_desc) \
+ ((status_desc)->status_desc_data &= \
+ ~(((unsigned long long)3) << 56 ))
+#define netxen_set_sts_owner(status_desc, val) \
+ ((status_desc)->status_desc_data |= \
+ (((unsigned long long)((val) & 0x3)) << 56 ))
struct status_desc {
- /* Bit pattern: 0-3 port, 4-7 status, 8-11 type, 12-15 opcode */
- u16 port_status_type_op;
- u16 total_length; /* NIC mode */
- u16 reference_handle; /* handle for the associated packet */
- /* Bit pattern: 0-1 owner, 2-5 protocol */
- u16 owner; /* Owner of the descriptor */
+ /* Bit pattern: 0-3 port, 4-7 status, 8-11 type, 12-27 total_length
+ 28-43 reference_handle, 44-47 protocol, 48-52 unused
+ 53-55 desc_cnt, 56-57 owner, 58-63 opcode
+ */
+ u64 status_desc_data;
+ u32 hash_value;
+ u8 hash_type;
+ u8 msg_type;
+ u8 unused;
+ /* Bit pattern: 0-6 lro_count indicates frag sequence,
+ 7 last_frag indicates last frag */
+ u8 lro;
} __attribute__ ((aligned(8)));
enum {
@@ -563,7 +693,8 @@
#define FLASH_SECONDARY_SIZE (USER_START-SECONDARY_START)
#define NUM_PRIMARY_SECTORS (0x20)
#define NUM_CONFIG_SECTORS (1)
-#define PFX "netxen: "
+#define PFX "NetXen: "
+extern char netxen_nic_driver_name[];
/* Note: Make sure to not call this before adapter->port is valid */
#if !defined(NETXEN_DEBUG)
@@ -609,7 +740,6 @@
u8 frag_count;
unsigned long time_stamp;
u32 state;
- u32 no_of_descriptors;
};
/* In rx_buffer, we do not need multiple fragments as is a single buffer */
@@ -618,6 +748,9 @@
u64 dma;
u16 ref_handle;
u16 state;
+ u32 lro_expected_frags;
+ u32 lro_current_frags;
+ u32 lro_length;
};
/* Board types */
@@ -633,6 +766,8 @@
void __iomem *pci_base0;
void __iomem *pci_base1;
void __iomem *pci_base2;
+ void __iomem *db_base;
+ unsigned long db_len;
u8 revision_id;
u16 board_type;
@@ -642,14 +777,13 @@
u32 qg_linksup;
/* Address of cmd ring in Phantom */
struct cmd_desc_type0 *cmd_desc_head;
- char *pauseaddr;
struct pci_dev *cmd_desc_pdev;
dma_addr_t cmd_desc_phys_addr;
- dma_addr_t pause_physaddr;
- struct pci_dev *pause_pdev;
struct netxen_adapter *adapter;
};
+#define RCV_RING_LRO RCV_DESC_LRO
+
#define MINIMUM_ETHERNET_FRAME_SIZE 64 /* With FCS */
#define ETHERNET_FCS_SIZE 4
@@ -702,6 +836,13 @@
};
#define NETXEN_NIC_MSI_ENABLED 0x02
+#define NETXEN_DMA_MASK 0xfffffffe
+#define NETXEN_DB_MAPSIZE_BYTES 0x1000
+
+struct netxen_dummy_dma {
+ void *addr;
+ dma_addr_t phys_addr;
+};
struct netxen_adapter {
struct netxen_hardware_context ahw;
@@ -711,18 +852,19 @@
spinlock_t tx_lock;
spinlock_t lock;
struct work_struct watchdog_task;
- struct work_struct tx_timeout_task;
+ struct work_struct tx_timeout_task[NETXEN_MAX_PORTS];
struct timer_list watchdog_timer;
u32 curr_window;
u32 cmd_producer;
- u32 cmd_consumer;
+ u32 *cmd_consumer;
u32 last_cmd_consumer;
u32 max_tx_desc_count;
u32 max_rx_desc_count;
u32 max_jumbo_rx_desc_count;
+ u32 max_lro_rx_desc_count;
/* Num of instances active on cmd buffer ring */
u32 proc_cmd_buf_counter;
@@ -744,6 +886,13 @@
struct netxen_recv_context recv_ctx[MAX_RCV_CTX];
int is_up;
+ int number;
+ struct netxen_dummy_dma dummy_dma;
+
+ /* Context interface shared between card and host */
+ struct netxen_ring_ctx *ctx_desc;
+ struct pci_dev *ctx_desc_pdev;
+ dma_addr_t ctx_desc_phys_addr;
int (*enable_phy_interrupts) (struct netxen_adapter *, int);
int (*disable_phy_interrupts) (struct netxen_adapter *, int);
void (*handle_phy_intr) (struct netxen_adapter *);
@@ -758,7 +907,6 @@
int (*init_port) (struct netxen_adapter *, int);
void (*init_niu) (struct netxen_adapter *);
int (*stop_port) (struct netxen_adapter *, int);
-
}; /* netxen_adapter structure */
/* Max number of xmit producer threads that can run simultaneously */
@@ -840,8 +988,6 @@
return NULL;
}
-extern char netxen_nic_driver_name[];
-
int netxen_niu_xgbe_enable_phy_interrupts(struct netxen_adapter *adapter,
int port);
int netxen_niu_gbe_enable_phy_interrupts(struct netxen_adapter *adapter,
@@ -880,10 +1026,20 @@
int len);
int netxen_nic_hw_write_wx(struct netxen_adapter *adapter, u64 off, void *data,
int len);
+int netxen_nic_hw_read_ioctl(struct netxen_adapter *adapter, u64 off,
+ void *data, int len);
+int netxen_nic_hw_write_ioctl(struct netxen_adapter *adapter, u64 off,
+ void *data, int len);
+int netxen_nic_pci_mem_write_ioctl(struct netxen_adapter *adapter,
+ u64 off, void *data, int size);
+int netxen_nic_pci_mem_read_ioctl(struct netxen_adapter *adapter,
+ u64 off, void *data, int size);
void netxen_crb_writelit_adapter(struct netxen_adapter *adapter,
unsigned long off, int data);
/* Functions from netxen_nic_init.c */
+void netxen_free_adapter_offload(struct netxen_adapter *adapter);
+int netxen_initialize_adapter_offload(struct netxen_adapter *adapter);
void netxen_phantom_init(struct netxen_adapter *adapter, int pegtune_val);
void netxen_load_firmware(struct netxen_adapter *adapter);
int netxen_pinit_from_rom(struct netxen_adapter *adapter, int verbose);
@@ -918,7 +1074,9 @@
void netxen_watchdog_task(unsigned long v);
void netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ctx,
u32 ringid);
-void netxen_process_cmd_ring(unsigned long data);
+void netxen_post_rx_buffers_nodb(struct netxen_adapter *adapter, u32 ctx,
+ u32 ringid);
+int netxen_process_cmd_ring(unsigned long data);
u32 netxen_process_rcv_ring(struct netxen_adapter *adapter, int ctx, int max);
void netxen_nic_set_multi(struct net_device *netdev);
int netxen_nic_change_mtu(struct net_device *netdev, int new_mtu);
@@ -1012,7 +1170,6 @@
int netxen_is_flash_supported(struct netxen_adapter *adapter);
int netxen_get_flash_mac_addr(struct netxen_adapter *adapter, u64 mac[]);
-
extern void netxen_change_ringparam(struct netxen_adapter *adapter);
extern int netxen_rom_fast_read(struct netxen_adapter *adapter, int addr,
int *valp);
