David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 1 | /* |
| 2 | * ASIX AX8817X based USB 2.0 Ethernet Devices |
David Hollis | 933a27d | 2006-07-29 10:12:50 -0400 | [diff] [blame] | 3 | * Copyright (C) 2003-2006 David Hollis <dhollis@davehollis.com> |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 4 | * Copyright (C) 2005 Phil Chang <pchang23@sbcglobal.net> |
David Hollis | 933a27d | 2006-07-29 10:12:50 -0400 | [diff] [blame] | 5 | * Copyright (C) 2006 James Painter <jamie.painter@iname.com> |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 6 | * Copyright (c) 2002-2003 TiVo Inc. |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License as published by |
| 10 | * the Free Software Foundation; either version 2 of the License, or |
| 11 | * (at your option) any later version. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * GNU General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU General Public License |
Jeff Kirsher | 9cb0007 | 2013-12-06 06:28:46 -0800 | [diff] [blame] | 19 | * along with this program; if not, see <http://www.gnu.org/licenses/>. |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 20 | */ |
| 21 | |
Christian Riesch | 607740b | 2012-07-13 05:26:30 +0000 | [diff] [blame] | 22 | #include "asix.h" |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 23 | |
Christian Riesch | 607740b | 2012-07-13 05:26:30 +0000 | [diff] [blame] | 24 | int asix_read_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index, |
| 25 | u16 size, void *data) |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 26 | { |
Ming Lei | 0bc69ef | 2012-10-24 19:46:55 +0000 | [diff] [blame] | 27 | int ret; |
| 28 | ret = usbnet_read_cmd(dev, cmd, |
| 29 | USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, |
| 30 | value, index, data, size); |
Al Viro | 51bf297 | 2007-12-22 17:42:36 +0000 | [diff] [blame] | 31 | |
Ming Lei | 0bc69ef | 2012-10-24 19:46:55 +0000 | [diff] [blame] | 32 | if (ret != size && ret >= 0) |
| 33 | return -EINVAL; |
| 34 | return ret; |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 35 | } |
| 36 | |
Christian Riesch | 607740b | 2012-07-13 05:26:30 +0000 | [diff] [blame] | 37 | int asix_write_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index, |
| 38 | u16 size, void *data) |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 39 | { |
Ming Lei | 0bc69ef | 2012-10-24 19:46:55 +0000 | [diff] [blame] | 40 | return usbnet_write_cmd(dev, cmd, |
| 41 | USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, |
| 42 | value, index, data, size); |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 43 | } |
| 44 | |
Christian Riesch | 607740b | 2012-07-13 05:26:30 +0000 | [diff] [blame] | 45 | void asix_write_cmd_async(struct usbnet *dev, u8 cmd, u16 value, u16 index, |
| 46 | u16 size, void *data) |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 47 | { |
Ming Lei | 0bc69ef | 2012-10-24 19:46:55 +0000 | [diff] [blame] | 48 | usbnet_write_cmd_async(dev, cmd, |
| 49 | USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, |
| 50 | value, index, data, size); |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 51 | } |
| 52 | |
Lucas Stach | 8b5b6f5 | 2013-01-16 04:24:07 +0000 | [diff] [blame] | 53 | int asix_rx_fixup_internal(struct usbnet *dev, struct sk_buff *skb, |
| 54 | struct asix_rx_fixup_info *rx) |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 55 | { |
Eric Dumazet | a9e0aca | 2012-03-14 20:18:32 +0000 | [diff] [blame] | 56 | int offset = 0; |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 57 | |
Lucas Stach | 8b5b6f5 | 2013-01-16 04:24:07 +0000 | [diff] [blame] | 58 | while (offset + sizeof(u16) <= skb->len) { |
| 59 | u16 remaining = 0; |
| 60 | unsigned char *data; |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 61 | |
Lucas Stach | 8b5b6f5 | 2013-01-16 04:24:07 +0000 | [diff] [blame] | 62 | if (!rx->size) { |
| 63 | if ((skb->len - offset == sizeof(u16)) || |
| 64 | rx->split_head) { |
| 65 | if(!rx->split_head) { |
| 66 | rx->header = get_unaligned_le16( |
| 67 | skb->data + offset); |
| 68 | rx->split_head = true; |
| 69 | offset += sizeof(u16); |
| 70 | break; |
| 71 | } else { |
| 72 | rx->header |= (get_unaligned_le16( |
| 73 | skb->data + offset) |
| 74 | << 16); |
| 75 | rx->split_head = false; |
| 76 | offset += sizeof(u16); |
| 77 | } |
| 78 | } else { |
| 79 | rx->header = get_unaligned_le32(skb->data + |
| 80 | offset); |
| 81 | offset += sizeof(u32); |
| 82 | } |
Marek Vasut | bc466e6 | 2011-07-26 16:44:46 +0000 | [diff] [blame] | 83 | |
Lucas Stach | 8b5b6f5 | 2013-01-16 04:24:07 +0000 | [diff] [blame] | 84 | /* get the packet length */ |
| 85 | rx->size = (u16) (rx->header & 0x7ff); |
| 86 | if (rx->size != ((~rx->header >> 16) & 0x7ff)) { |
| 87 | netdev_err(dev->net, "asix_rx_fixup() Bad Header Length 0x%x, offset %d\n", |
| 88 | rx->header, offset); |
| 89 | rx->size = 0; |
| 90 | return 0; |
| 91 | } |
| 92 | rx->ax_skb = netdev_alloc_skb_ip_align(dev->net, |
| 93 | rx->size); |
| 94 | if (!rx->ax_skb) |
| 95 | return 0; |
Neil Jones | 3f78d1f | 2010-05-17 17:18:28 -0700 | [diff] [blame] | 96 | } |
| 97 | |
Lucas Stach | 8b5b6f5 | 2013-01-16 04:24:07 +0000 | [diff] [blame] | 98 | if (rx->size > dev->net->mtu + ETH_HLEN + VLAN_HLEN) { |
Joe Perches | 60b8675 | 2010-02-17 10:30:23 +0000 | [diff] [blame] | 99 | netdev_err(dev->net, "asix_rx_fixup() Bad RX Length %d\n", |
Lucas Stach | 8b5b6f5 | 2013-01-16 04:24:07 +0000 | [diff] [blame] | 100 | rx->size); |
| 101 | kfree_skb(rx->ax_skb); |
holger@eitzenberger.org | c5060ce | 2013-05-03 00:02:20 +0000 | [diff] [blame] | 102 | rx->ax_skb = NULL; |
| 103 | rx->size = 0U; |
| 104 | |
David Hollis | 933a27d | 2006-07-29 10:12:50 -0400 | [diff] [blame] | 105 | return 0; |
| 106 | } |
David Hollis | 933a27d | 2006-07-29 10:12:50 -0400 | [diff] [blame] | 107 | |
Lucas Stach | 8b5b6f5 | 2013-01-16 04:24:07 +0000 | [diff] [blame] | 108 | if (rx->size > skb->len - offset) { |
| 109 | remaining = rx->size - (skb->len - offset); |
| 110 | rx->size = skb->len - offset; |
| 111 | } |
David Hollis | 933a27d | 2006-07-29 10:12:50 -0400 | [diff] [blame] | 112 | |
Lucas Stach | 8b5b6f5 | 2013-01-16 04:24:07 +0000 | [diff] [blame] | 113 | data = skb_put(rx->ax_skb, rx->size); |
| 114 | memcpy(data, skb->data + offset, rx->size); |
| 115 | if (!remaining) |
| 116 | usbnet_skb_return(dev, rx->ax_skb); |
| 117 | |
| 118 | offset += (rx->size + 1) & 0xfffe; |
| 119 | rx->size = remaining; |
David Hollis | 933a27d | 2006-07-29 10:12:50 -0400 | [diff] [blame] | 120 | } |
| 121 | |
Eric Dumazet | a9e0aca | 2012-03-14 20:18:32 +0000 | [diff] [blame] | 122 | if (skb->len != offset) { |
Lucas Stach | 8b5b6f5 | 2013-01-16 04:24:07 +0000 | [diff] [blame] | 123 | netdev_err(dev->net, "asix_rx_fixup() Bad SKB Length %d, %d\n", |
| 124 | skb->len, offset); |
David Hollis | 933a27d | 2006-07-29 10:12:50 -0400 | [diff] [blame] | 125 | return 0; |
| 126 | } |
Lucas Stach | 8b5b6f5 | 2013-01-16 04:24:07 +0000 | [diff] [blame] | 127 | |
David Hollis | 933a27d | 2006-07-29 10:12:50 -0400 | [diff] [blame] | 128 | return 1; |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 129 | } |
| 130 | |
Lucas Stach | 8b5b6f5 | 2013-01-16 04:24:07 +0000 | [diff] [blame] | 131 | int asix_rx_fixup_common(struct usbnet *dev, struct sk_buff *skb) |
| 132 | { |
| 133 | struct asix_common_private *dp = dev->driver_priv; |
| 134 | struct asix_rx_fixup_info *rx = &dp->rx_fixup_info; |
| 135 | |
| 136 | return asix_rx_fixup_internal(dev, skb, rx); |
| 137 | } |
| 138 | |
Christian Riesch | 607740b | 2012-07-13 05:26:30 +0000 | [diff] [blame] | 139 | struct sk_buff *asix_tx_fixup(struct usbnet *dev, struct sk_buff *skb, |
| 140 | gfp_t flags) |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 141 | { |
David Hollis | 933a27d | 2006-07-29 10:12:50 -0400 | [diff] [blame] | 142 | int padlen; |
| 143 | int headroom = skb_headroom(skb); |
| 144 | int tailroom = skb_tailroom(skb); |
| 145 | u32 packet_len; |
| 146 | u32 padbytes = 0xffff0000; |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 147 | |
Ingo van Lil | 2a58094 | 2012-04-23 22:05:38 +0000 | [diff] [blame] | 148 | padlen = ((skb->len + 4) & (dev->maxpacket - 1)) ? 0 : 4; |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 149 | |
Eric Dumazet | 95162d6 | 2012-07-05 04:31:01 +0000 | [diff] [blame] | 150 | /* We need to push 4 bytes in front of frame (packet_len) |
| 151 | * and maybe add 4 bytes after the end (if padlen is 4) |
| 152 | * |
| 153 | * Avoid skb_copy_expand() expensive call, using following rules : |
| 154 | * - We are allowed to push 4 bytes in headroom if skb_header_cloned() |
| 155 | * is false (and if we have 4 bytes of headroom) |
| 156 | * - We are allowed to put 4 bytes at tail if skb_cloned() |
| 157 | * is false (and if we have 4 bytes of tailroom) |
| 158 | * |
| 159 | * TCP packets for example are cloned, but skb_header_release() |
| 160 | * was called in tcp stack, allowing us to use headroom for our needs. |
| 161 | */ |
| 162 | if (!skb_header_cloned(skb) && |
| 163 | !(padlen && skb_cloned(skb)) && |
| 164 | headroom + tailroom >= 4 + padlen) { |
| 165 | /* following should not happen, but better be safe */ |
| 166 | if (headroom < 4 || |
| 167 | tailroom < padlen) { |
David Hollis | 933a27d | 2006-07-29 10:12:50 -0400 | [diff] [blame] | 168 | skb->data = memmove(skb->head + 4, skb->data, skb->len); |
Arnaldo Carvalho de Melo | 27a884d | 2007-04-19 20:29:13 -0700 | [diff] [blame] | 169 | skb_set_tail_pointer(skb, skb->len); |
David Hollis | 933a27d | 2006-07-29 10:12:50 -0400 | [diff] [blame] | 170 | } |
| 171 | } else { |
| 172 | struct sk_buff *skb2; |
Eric Dumazet | 95162d6 | 2012-07-05 04:31:01 +0000 | [diff] [blame] | 173 | |
David Hollis | 933a27d | 2006-07-29 10:12:50 -0400 | [diff] [blame] | 174 | skb2 = skb_copy_expand(skb, 4, padlen, flags); |
| 175 | dev_kfree_skb_any(skb); |
| 176 | skb = skb2; |
| 177 | if (!skb) |
| 178 | return NULL; |
| 179 | } |
| 180 | |
Eric Dumazet | 95162d6 | 2012-07-05 04:31:01 +0000 | [diff] [blame] | 181 | packet_len = ((skb->len ^ 0x0000ffff) << 16) + skb->len; |
David Hollis | 933a27d | 2006-07-29 10:12:50 -0400 | [diff] [blame] | 182 | skb_push(skb, 4); |
David Hollis | 57e4f04 | 2007-02-05 12:03:03 -0500 | [diff] [blame] | 183 | cpu_to_le32s(&packet_len); |
Arnaldo Carvalho de Melo | 27d7ff4 | 2007-03-31 11:55:19 -0300 | [diff] [blame] | 184 | skb_copy_to_linear_data(skb, &packet_len, sizeof(packet_len)); |
David Hollis | 933a27d | 2006-07-29 10:12:50 -0400 | [diff] [blame] | 185 | |
Ingo van Lil | 2a58094 | 2012-04-23 22:05:38 +0000 | [diff] [blame] | 186 | if (padlen) { |
David Hollis | 57e4f04 | 2007-02-05 12:03:03 -0500 | [diff] [blame] | 187 | cpu_to_le32s(&padbytes); |
Arnaldo Carvalho de Melo | 27a884d | 2007-04-19 20:29:13 -0700 | [diff] [blame] | 188 | memcpy(skb_tail_pointer(skb), &padbytes, sizeof(padbytes)); |
David Hollis | 933a27d | 2006-07-29 10:12:50 -0400 | [diff] [blame] | 189 | skb_put(skb, sizeof(padbytes)); |
| 190 | } |
| 191 | return skb; |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 192 | } |
| 193 | |
Christian Riesch | 607740b | 2012-07-13 05:26:30 +0000 | [diff] [blame] | 194 | int asix_set_sw_mii(struct usbnet *dev) |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 195 | { |
David Hollis | 933a27d | 2006-07-29 10:12:50 -0400 | [diff] [blame] | 196 | int ret; |
| 197 | ret = asix_write_cmd(dev, AX_CMD_SET_SW_MII, 0x0000, 0, 0, NULL); |
| 198 | if (ret < 0) |
Joe Perches | 60b8675 | 2010-02-17 10:30:23 +0000 | [diff] [blame] | 199 | netdev_err(dev->net, "Failed to enable software MII access\n"); |
David Hollis | 933a27d | 2006-07-29 10:12:50 -0400 | [diff] [blame] | 200 | return ret; |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 201 | } |
| 202 | |
Christian Riesch | 607740b | 2012-07-13 05:26:30 +0000 | [diff] [blame] | 203 | int asix_set_hw_mii(struct usbnet *dev) |
David Hollis | 933a27d | 2006-07-29 10:12:50 -0400 | [diff] [blame] | 204 | { |
| 205 | int ret; |
| 206 | ret = asix_write_cmd(dev, AX_CMD_SET_HW_MII, 0x0000, 0, 0, NULL); |
| 207 | if (ret < 0) |
Joe Perches | 60b8675 | 2010-02-17 10:30:23 +0000 | [diff] [blame] | 208 | netdev_err(dev->net, "Failed to enable hardware MII access\n"); |
David Hollis | 933a27d | 2006-07-29 10:12:50 -0400 | [diff] [blame] | 209 | return ret; |
| 210 | } |
| 211 | |
Christian Riesch | 16626b0 | 2012-07-13 05:26:31 +0000 | [diff] [blame] | 212 | int asix_read_phy_addr(struct usbnet *dev, int internal) |
David Hollis | 933a27d | 2006-07-29 10:12:50 -0400 | [diff] [blame] | 213 | { |
Christian Riesch | 16626b0 | 2012-07-13 05:26:31 +0000 | [diff] [blame] | 214 | int offset = (internal ? 1 : 0); |
Al Viro | 51bf297 | 2007-12-22 17:42:36 +0000 | [diff] [blame] | 215 | u8 buf[2]; |
| 216 | int ret = asix_read_cmd(dev, AX_CMD_READ_PHY_ID, 0, 0, 2, buf); |
David Hollis | 933a27d | 2006-07-29 10:12:50 -0400 | [diff] [blame] | 217 | |
Joe Perches | 60b8675 | 2010-02-17 10:30:23 +0000 | [diff] [blame] | 218 | netdev_dbg(dev->net, "asix_get_phy_addr()\n"); |
David Hollis | 933a27d | 2006-07-29 10:12:50 -0400 | [diff] [blame] | 219 | |
Al Viro | 51bf297 | 2007-12-22 17:42:36 +0000 | [diff] [blame] | 220 | if (ret < 0) { |
Joe Perches | 60b8675 | 2010-02-17 10:30:23 +0000 | [diff] [blame] | 221 | netdev_err(dev->net, "Error reading PHYID register: %02x\n", ret); |
Al Viro | 51bf297 | 2007-12-22 17:42:36 +0000 | [diff] [blame] | 222 | goto out; |
David Hollis | 933a27d | 2006-07-29 10:12:50 -0400 | [diff] [blame] | 223 | } |
Joe Perches | 60b8675 | 2010-02-17 10:30:23 +0000 | [diff] [blame] | 224 | netdev_dbg(dev->net, "asix_get_phy_addr() returning 0x%04x\n", |
| 225 | *((__le16 *)buf)); |
Christian Riesch | 16626b0 | 2012-07-13 05:26:31 +0000 | [diff] [blame] | 226 | ret = buf[offset]; |
Al Viro | 51bf297 | 2007-12-22 17:42:36 +0000 | [diff] [blame] | 227 | |
| 228 | out: |
David Hollis | 933a27d | 2006-07-29 10:12:50 -0400 | [diff] [blame] | 229 | return ret; |
| 230 | } |
| 231 | |
Christian Riesch | 16626b0 | 2012-07-13 05:26:31 +0000 | [diff] [blame] | 232 | int asix_get_phy_addr(struct usbnet *dev) |
| 233 | { |
| 234 | /* return the address of the internal phy */ |
| 235 | return asix_read_phy_addr(dev, 1); |
| 236 | } |
| 237 | |
| 238 | |
Christian Riesch | 607740b | 2012-07-13 05:26:30 +0000 | [diff] [blame] | 239 | int asix_sw_reset(struct usbnet *dev, u8 flags) |
David Hollis | 933a27d | 2006-07-29 10:12:50 -0400 | [diff] [blame] | 240 | { |
| 241 | int ret; |
| 242 | |
| 243 | ret = asix_write_cmd(dev, AX_CMD_SW_RESET, flags, 0, 0, NULL); |
| 244 | if (ret < 0) |
Joe Perches | 60b8675 | 2010-02-17 10:30:23 +0000 | [diff] [blame] | 245 | netdev_err(dev->net, "Failed to send software reset: %02x\n", ret); |
David Hollis | 933a27d | 2006-07-29 10:12:50 -0400 | [diff] [blame] | 246 | |
| 247 | return ret; |
| 248 | } |
| 249 | |
Christian Riesch | 607740b | 2012-07-13 05:26:30 +0000 | [diff] [blame] | 250 | u16 asix_read_rx_ctl(struct usbnet *dev) |
David Hollis | 933a27d | 2006-07-29 10:12:50 -0400 | [diff] [blame] | 251 | { |
Al Viro | 51bf297 | 2007-12-22 17:42:36 +0000 | [diff] [blame] | 252 | __le16 v; |
| 253 | int ret = asix_read_cmd(dev, AX_CMD_READ_RX_CTL, 0, 0, 2, &v); |
David Hollis | 933a27d | 2006-07-29 10:12:50 -0400 | [diff] [blame] | 254 | |
Al Viro | 51bf297 | 2007-12-22 17:42:36 +0000 | [diff] [blame] | 255 | if (ret < 0) { |
Joe Perches | 60b8675 | 2010-02-17 10:30:23 +0000 | [diff] [blame] | 256 | netdev_err(dev->net, "Error reading RX_CTL register: %02x\n", ret); |
Al Viro | 51bf297 | 2007-12-22 17:42:36 +0000 | [diff] [blame] | 257 | goto out; |
David Hollis | 933a27d | 2006-07-29 10:12:50 -0400 | [diff] [blame] | 258 | } |
Al Viro | 51bf297 | 2007-12-22 17:42:36 +0000 | [diff] [blame] | 259 | ret = le16_to_cpu(v); |
| 260 | out: |
David Hollis | 933a27d | 2006-07-29 10:12:50 -0400 | [diff] [blame] | 261 | return ret; |
| 262 | } |
| 263 | |
Christian Riesch | 607740b | 2012-07-13 05:26:30 +0000 | [diff] [blame] | 264 | int asix_write_rx_ctl(struct usbnet *dev, u16 mode) |
David Hollis | 933a27d | 2006-07-29 10:12:50 -0400 | [diff] [blame] | 265 | { |
| 266 | int ret; |
| 267 | |
Joe Perches | 60b8675 | 2010-02-17 10:30:23 +0000 | [diff] [blame] | 268 | netdev_dbg(dev->net, "asix_write_rx_ctl() - mode = 0x%04x\n", mode); |
David Hollis | 933a27d | 2006-07-29 10:12:50 -0400 | [diff] [blame] | 269 | ret = asix_write_cmd(dev, AX_CMD_WRITE_RX_CTL, mode, 0, 0, NULL); |
| 270 | if (ret < 0) |
Joe Perches | 60b8675 | 2010-02-17 10:30:23 +0000 | [diff] [blame] | 271 | netdev_err(dev->net, "Failed to write RX_CTL mode to 0x%04x: %02x\n", |
| 272 | mode, ret); |
David Hollis | 933a27d | 2006-07-29 10:12:50 -0400 | [diff] [blame] | 273 | |
| 274 | return ret; |
| 275 | } |
| 276 | |
Christian Riesch | 607740b | 2012-07-13 05:26:30 +0000 | [diff] [blame] | 277 | u16 asix_read_medium_status(struct usbnet *dev) |
David Hollis | 933a27d | 2006-07-29 10:12:50 -0400 | [diff] [blame] | 278 | { |
Al Viro | 51bf297 | 2007-12-22 17:42:36 +0000 | [diff] [blame] | 279 | __le16 v; |
| 280 | int ret = asix_read_cmd(dev, AX_CMD_READ_MEDIUM_STATUS, 0, 0, 2, &v); |
David Hollis | 933a27d | 2006-07-29 10:12:50 -0400 | [diff] [blame] | 281 | |
Al Viro | 51bf297 | 2007-12-22 17:42:36 +0000 | [diff] [blame] | 282 | if (ret < 0) { |
Joe Perches | 60b8675 | 2010-02-17 10:30:23 +0000 | [diff] [blame] | 283 | netdev_err(dev->net, "Error reading Medium Status register: %02x\n", |
| 284 | ret); |
Grant Grundler | 83e1b91 | 2011-10-04 09:55:18 +0000 | [diff] [blame] | 285 | return ret; /* TODO: callers not checking for error ret */ |
David Hollis | 933a27d | 2006-07-29 10:12:50 -0400 | [diff] [blame] | 286 | } |
Grant Grundler | 83e1b91 | 2011-10-04 09:55:18 +0000 | [diff] [blame] | 287 | |
| 288 | return le16_to_cpu(v); |
| 289 | |
David Hollis | 933a27d | 2006-07-29 10:12:50 -0400 | [diff] [blame] | 290 | } |
| 291 | |
Christian Riesch | 607740b | 2012-07-13 05:26:30 +0000 | [diff] [blame] | 292 | int asix_write_medium_mode(struct usbnet *dev, u16 mode) |
David Hollis | 933a27d | 2006-07-29 10:12:50 -0400 | [diff] [blame] | 293 | { |
| 294 | int ret; |
| 295 | |
Joe Perches | 60b8675 | 2010-02-17 10:30:23 +0000 | [diff] [blame] | 296 | netdev_dbg(dev->net, "asix_write_medium_mode() - mode = 0x%04x\n", mode); |
David Hollis | 933a27d | 2006-07-29 10:12:50 -0400 | [diff] [blame] | 297 | ret = asix_write_cmd(dev, AX_CMD_WRITE_MEDIUM_MODE, mode, 0, 0, NULL); |
| 298 | if (ret < 0) |
Joe Perches | 60b8675 | 2010-02-17 10:30:23 +0000 | [diff] [blame] | 299 | netdev_err(dev->net, "Failed to write Medium Mode mode to 0x%04x: %02x\n", |
| 300 | mode, ret); |
David Hollis | 933a27d | 2006-07-29 10:12:50 -0400 | [diff] [blame] | 301 | |
| 302 | return ret; |
| 303 | } |
| 304 | |
Christian Riesch | 607740b | 2012-07-13 05:26:30 +0000 | [diff] [blame] | 305 | int asix_write_gpio(struct usbnet *dev, u16 value, int sleep) |
David Hollis | 933a27d | 2006-07-29 10:12:50 -0400 | [diff] [blame] | 306 | { |
| 307 | int ret; |
| 308 | |
Joe Perches | 60b8675 | 2010-02-17 10:30:23 +0000 | [diff] [blame] | 309 | netdev_dbg(dev->net, "asix_write_gpio() - value = 0x%04x\n", value); |
David Hollis | 933a27d | 2006-07-29 10:12:50 -0400 | [diff] [blame] | 310 | ret = asix_write_cmd(dev, AX_CMD_WRITE_GPIOS, value, 0, 0, NULL); |
| 311 | if (ret < 0) |
Joe Perches | 60b8675 | 2010-02-17 10:30:23 +0000 | [diff] [blame] | 312 | netdev_err(dev->net, "Failed to write GPIO value 0x%04x: %02x\n", |
| 313 | value, ret); |
David Hollis | 933a27d | 2006-07-29 10:12:50 -0400 | [diff] [blame] | 314 | |
| 315 | if (sleep) |
| 316 | msleep(sleep); |
| 317 | |
| 318 | return ret; |
| 319 | } |
| 320 | |
| 321 | /* |
| 322 | * AX88772 & AX88178 have a 16-bit RX_CTL value |
| 323 | */ |
Christian Riesch | 607740b | 2012-07-13 05:26:30 +0000 | [diff] [blame] | 324 | void asix_set_multicast(struct net_device *net) |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 325 | { |
| 326 | struct usbnet *dev = netdev_priv(net); |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 327 | struct asix_data *data = (struct asix_data *)&dev->data; |
David Hollis | 933a27d | 2006-07-29 10:12:50 -0400 | [diff] [blame] | 328 | u16 rx_ctl = AX_DEFAULT_RX_CTL; |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 329 | |
| 330 | if (net->flags & IFF_PROMISC) { |
David Hollis | 933a27d | 2006-07-29 10:12:50 -0400 | [diff] [blame] | 331 | rx_ctl |= AX_RX_CTL_PRO; |
Joe Perches | 8e95a20 | 2009-12-03 07:58:21 +0000 | [diff] [blame] | 332 | } else if (net->flags & IFF_ALLMULTI || |
Jiri Pirko | 4cd24ea | 2010-02-08 04:30:35 +0000 | [diff] [blame] | 333 | netdev_mc_count(net) > AX_MAX_MCAST) { |
David Hollis | 933a27d | 2006-07-29 10:12:50 -0400 | [diff] [blame] | 334 | rx_ctl |= AX_RX_CTL_AMALL; |
Jiri Pirko | 4cd24ea | 2010-02-08 04:30:35 +0000 | [diff] [blame] | 335 | } else if (netdev_mc_empty(net)) { |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 336 | /* just broadcast and directed */ |
| 337 | } else { |
| 338 | /* We use the 20 byte dev->data |
| 339 | * for our 8 byte filter buffer |
| 340 | * to avoid allocating memory that |
| 341 | * is tricky to free later */ |
Jiri Pirko | 22bedad3 | 2010-04-01 21:22:57 +0000 | [diff] [blame] | 342 | struct netdev_hw_addr *ha; |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 343 | u32 crc_bits; |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 344 | |
| 345 | memset(data->multi_filter, 0, AX_MCAST_FILTER_SIZE); |
| 346 | |
| 347 | /* Build the multicast hash filter. */ |
Jiri Pirko | 22bedad3 | 2010-04-01 21:22:57 +0000 | [diff] [blame] | 348 | netdev_for_each_mc_addr(ha, net) { |
| 349 | crc_bits = ether_crc(ETH_ALEN, ha->addr) >> 26; |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 350 | data->multi_filter[crc_bits >> 3] |= |
| 351 | 1 << (crc_bits & 7); |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 352 | } |
| 353 | |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 354 | asix_write_cmd_async(dev, AX_CMD_WRITE_MULTI_FILTER, 0, 0, |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 355 | AX_MCAST_FILTER_SIZE, data->multi_filter); |
| 356 | |
David Hollis | 933a27d | 2006-07-29 10:12:50 -0400 | [diff] [blame] | 357 | rx_ctl |= AX_RX_CTL_AM; |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 358 | } |
| 359 | |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 360 | asix_write_cmd_async(dev, AX_CMD_WRITE_RX_CTL, rx_ctl, 0, 0, NULL); |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 361 | } |
| 362 | |
Christian Riesch | 607740b | 2012-07-13 05:26:30 +0000 | [diff] [blame] | 363 | int asix_mdio_read(struct net_device *netdev, int phy_id, int loc) |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 364 | { |
| 365 | struct usbnet *dev = netdev_priv(netdev); |
Al Viro | 51bf297 | 2007-12-22 17:42:36 +0000 | [diff] [blame] | 366 | __le16 res; |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 367 | |
Arnd Bergmann | a9fc633 | 2006-10-09 00:08:02 +0200 | [diff] [blame] | 368 | mutex_lock(&dev->phy_mutex); |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 369 | asix_set_sw_mii(dev); |
| 370 | asix_read_cmd(dev, AX_CMD_READ_MII_REG, phy_id, |
Al Viro | 51bf297 | 2007-12-22 17:42:36 +0000 | [diff] [blame] | 371 | (__u16)loc, 2, &res); |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 372 | asix_set_hw_mii(dev); |
Arnd Bergmann | a9fc633 | 2006-10-09 00:08:02 +0200 | [diff] [blame] | 373 | mutex_unlock(&dev->phy_mutex); |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 374 | |
Joe Perches | 60b8675 | 2010-02-17 10:30:23 +0000 | [diff] [blame] | 375 | netdev_dbg(dev->net, "asix_mdio_read() phy_id=0x%02x, loc=0x%02x, returns=0x%04x\n", |
| 376 | phy_id, loc, le16_to_cpu(res)); |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 377 | |
Al Viro | 51bf297 | 2007-12-22 17:42:36 +0000 | [diff] [blame] | 378 | return le16_to_cpu(res); |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 379 | } |
| 380 | |
Christian Riesch | 607740b | 2012-07-13 05:26:30 +0000 | [diff] [blame] | 381 | void asix_mdio_write(struct net_device *netdev, int phy_id, int loc, int val) |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 382 | { |
| 383 | struct usbnet *dev = netdev_priv(netdev); |
Al Viro | 51bf297 | 2007-12-22 17:42:36 +0000 | [diff] [blame] | 384 | __le16 res = cpu_to_le16(val); |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 385 | |
Joe Perches | 60b8675 | 2010-02-17 10:30:23 +0000 | [diff] [blame] | 386 | netdev_dbg(dev->net, "asix_mdio_write() phy_id=0x%02x, loc=0x%02x, val=0x%04x\n", |
| 387 | phy_id, loc, val); |
Arnd Bergmann | a9fc633 | 2006-10-09 00:08:02 +0200 | [diff] [blame] | 388 | mutex_lock(&dev->phy_mutex); |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 389 | asix_set_sw_mii(dev); |
Al Viro | 51bf297 | 2007-12-22 17:42:36 +0000 | [diff] [blame] | 390 | asix_write_cmd(dev, AX_CMD_WRITE_MII_REG, phy_id, (__u16)loc, 2, &res); |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 391 | asix_set_hw_mii(dev); |
Arnd Bergmann | a9fc633 | 2006-10-09 00:08:02 +0200 | [diff] [blame] | 392 | mutex_unlock(&dev->phy_mutex); |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 393 | } |
| 394 | |
Christian Riesch | 607740b | 2012-07-13 05:26:30 +0000 | [diff] [blame] | 395 | void asix_get_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo) |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 396 | { |
| 397 | struct usbnet *dev = netdev_priv(net); |
| 398 | u8 opt; |
| 399 | |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 400 | if (asix_read_cmd(dev, AX_CMD_READ_MONITOR_MODE, 0, 0, 1, &opt) < 0) { |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 401 | wolinfo->supported = 0; |
| 402 | wolinfo->wolopts = 0; |
| 403 | return; |
| 404 | } |
| 405 | wolinfo->supported = WAKE_PHY | WAKE_MAGIC; |
| 406 | wolinfo->wolopts = 0; |
allan | f87ce5b | 2011-12-22 20:38:51 +0000 | [diff] [blame] | 407 | if (opt & AX_MONITOR_LINK) |
| 408 | wolinfo->wolopts |= WAKE_PHY; |
| 409 | if (opt & AX_MONITOR_MAGIC) |
| 410 | wolinfo->wolopts |= WAKE_MAGIC; |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 411 | } |
| 412 | |
Christian Riesch | 607740b | 2012-07-13 05:26:30 +0000 | [diff] [blame] | 413 | int asix_set_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo) |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 414 | { |
| 415 | struct usbnet *dev = netdev_priv(net); |
| 416 | u8 opt = 0; |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 417 | |
| 418 | if (wolinfo->wolopts & WAKE_PHY) |
| 419 | opt |= AX_MONITOR_LINK; |
| 420 | if (wolinfo->wolopts & WAKE_MAGIC) |
| 421 | opt |= AX_MONITOR_MAGIC; |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 422 | |
David Hollis | 48b1be6 | 2006-03-28 20:15:42 -0500 | [diff] [blame] | 423 | if (asix_write_cmd(dev, AX_CMD_WRITE_MONITOR_MODE, |
Al Viro | 51bf297 | 2007-12-22 17:42:36 +0000 | [diff] [blame] | 424 | opt, 0, 0, NULL) < 0) |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 425 | return -EINVAL; |
| 426 | |
| 427 | return 0; |
| 428 | } |
| 429 | |
Christian Riesch | 607740b | 2012-07-13 05:26:30 +0000 | [diff] [blame] | 430 | int asix_get_eeprom_len(struct net_device *net) |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 431 | { |
Christian Riesch | ceb02c9 | 2012-07-19 00:23:06 +0000 | [diff] [blame] | 432 | return AX_EEPROM_LEN; |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 433 | } |
| 434 | |
Christian Riesch | 607740b | 2012-07-13 05:26:30 +0000 | [diff] [blame] | 435 | int asix_get_eeprom(struct net_device *net, struct ethtool_eeprom *eeprom, |
| 436 | u8 *data) |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 437 | { |
| 438 | struct usbnet *dev = netdev_priv(net); |
Christian Riesch | ceb02c9 | 2012-07-19 00:23:06 +0000 | [diff] [blame] | 439 | u16 *eeprom_buff; |
| 440 | int first_word, last_word; |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 441 | int i; |
| 442 | |
Christian Riesch | ceb02c9 | 2012-07-19 00:23:06 +0000 | [diff] [blame] | 443 | if (eeprom->len == 0) |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 444 | return -EINVAL; |
| 445 | |
| 446 | eeprom->magic = AX_EEPROM_MAGIC; |
| 447 | |
Christian Riesch | ceb02c9 | 2012-07-19 00:23:06 +0000 | [diff] [blame] | 448 | first_word = eeprom->offset >> 1; |
| 449 | last_word = (eeprom->offset + eeprom->len - 1) >> 1; |
| 450 | |
| 451 | eeprom_buff = kmalloc(sizeof(u16) * (last_word - first_word + 1), |
| 452 | GFP_KERNEL); |
| 453 | if (!eeprom_buff) |
| 454 | return -ENOMEM; |
| 455 | |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 456 | /* ax8817x returns 2 bytes from eeprom on read */ |
Christian Riesch | ceb02c9 | 2012-07-19 00:23:06 +0000 | [diff] [blame] | 457 | for (i = first_word; i <= last_word; i++) { |
| 458 | if (asix_read_cmd(dev, AX_CMD_READ_EEPROM, i, 0, 2, |
| 459 | &(eeprom_buff[i - first_word])) < 0) { |
| 460 | kfree(eeprom_buff); |
| 461 | return -EIO; |
| 462 | } |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 463 | } |
Christian Riesch | ceb02c9 | 2012-07-19 00:23:06 +0000 | [diff] [blame] | 464 | |
| 465 | memcpy(data, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len); |
| 466 | kfree(eeprom_buff); |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 467 | return 0; |
| 468 | } |
| 469 | |
Christian Riesch | cb7b24c | 2012-07-19 00:23:07 +0000 | [diff] [blame] | 470 | int asix_set_eeprom(struct net_device *net, struct ethtool_eeprom *eeprom, |
| 471 | u8 *data) |
| 472 | { |
| 473 | struct usbnet *dev = netdev_priv(net); |
| 474 | u16 *eeprom_buff; |
| 475 | int first_word, last_word; |
| 476 | int i; |
| 477 | int ret; |
| 478 | |
| 479 | netdev_dbg(net, "write EEPROM len %d, offset %d, magic 0x%x\n", |
| 480 | eeprom->len, eeprom->offset, eeprom->magic); |
| 481 | |
| 482 | if (eeprom->len == 0) |
| 483 | return -EINVAL; |
| 484 | |
| 485 | if (eeprom->magic != AX_EEPROM_MAGIC) |
| 486 | return -EINVAL; |
| 487 | |
| 488 | first_word = eeprom->offset >> 1; |
| 489 | last_word = (eeprom->offset + eeprom->len - 1) >> 1; |
| 490 | |
| 491 | eeprom_buff = kmalloc(sizeof(u16) * (last_word - first_word + 1), |
| 492 | GFP_KERNEL); |
| 493 | if (!eeprom_buff) |
| 494 | return -ENOMEM; |
| 495 | |
| 496 | /* align data to 16 bit boundaries, read the missing data from |
| 497 | the EEPROM */ |
| 498 | if (eeprom->offset & 1) { |
| 499 | ret = asix_read_cmd(dev, AX_CMD_READ_EEPROM, first_word, 0, 2, |
| 500 | &(eeprom_buff[0])); |
| 501 | if (ret < 0) { |
| 502 | netdev_err(net, "Failed to read EEPROM at offset 0x%02x.\n", first_word); |
| 503 | goto free; |
| 504 | } |
| 505 | } |
| 506 | |
| 507 | if ((eeprom->offset + eeprom->len) & 1) { |
| 508 | ret = asix_read_cmd(dev, AX_CMD_READ_EEPROM, last_word, 0, 2, |
| 509 | &(eeprom_buff[last_word - first_word])); |
| 510 | if (ret < 0) { |
| 511 | netdev_err(net, "Failed to read EEPROM at offset 0x%02x.\n", last_word); |
| 512 | goto free; |
| 513 | } |
| 514 | } |
| 515 | |
| 516 | memcpy((u8 *)eeprom_buff + (eeprom->offset & 1), data, eeprom->len); |
| 517 | |
| 518 | /* write data to EEPROM */ |
| 519 | ret = asix_write_cmd(dev, AX_CMD_WRITE_ENABLE, 0x0000, 0, 0, NULL); |
| 520 | if (ret < 0) { |
| 521 | netdev_err(net, "Failed to enable EEPROM write\n"); |
| 522 | goto free; |
| 523 | } |
| 524 | msleep(20); |
| 525 | |
| 526 | for (i = first_word; i <= last_word; i++) { |
| 527 | netdev_dbg(net, "write to EEPROM at offset 0x%02x, data 0x%04x\n", |
| 528 | i, eeprom_buff[i - first_word]); |
| 529 | ret = asix_write_cmd(dev, AX_CMD_WRITE_EEPROM, i, |
| 530 | eeprom_buff[i - first_word], 0, NULL); |
| 531 | if (ret < 0) { |
| 532 | netdev_err(net, "Failed to write EEPROM at offset 0x%02x.\n", |
| 533 | i); |
| 534 | goto free; |
| 535 | } |
| 536 | msleep(20); |
| 537 | } |
| 538 | |
| 539 | ret = asix_write_cmd(dev, AX_CMD_WRITE_DISABLE, 0x0000, 0, 0, NULL); |
| 540 | if (ret < 0) { |
| 541 | netdev_err(net, "Failed to disable EEPROM write\n"); |
| 542 | goto free; |
| 543 | } |
| 544 | |
| 545 | ret = 0; |
| 546 | free: |
| 547 | kfree(eeprom_buff); |
| 548 | return ret; |
| 549 | } |
| 550 | |
Christian Riesch | 607740b | 2012-07-13 05:26:30 +0000 | [diff] [blame] | 551 | void asix_get_drvinfo(struct net_device *net, struct ethtool_drvinfo *info) |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 552 | { |
| 553 | /* Inherit standard device info */ |
| 554 | usbnet_get_drvinfo(net, info); |
Jiri Pirko | 7826d43 | 2013-01-06 00:44:26 +0000 | [diff] [blame] | 555 | strlcpy(info->driver, DRIVER_NAME, sizeof(info->driver)); |
| 556 | strlcpy(info->version, DRIVER_VERSION, sizeof(info->version)); |
Christian Riesch | ceb02c9 | 2012-07-19 00:23:06 +0000 | [diff] [blame] | 557 | info->eedump_len = AX_EEPROM_LEN; |
David Brownell | 2e55cc7 | 2005-08-31 09:53:10 -0700 | [diff] [blame] | 558 | } |
| 559 | |
Christian Riesch | 607740b | 2012-07-13 05:26:30 +0000 | [diff] [blame] | 560 | int asix_set_mac_address(struct net_device *net, void *p) |
Jussi Kivilinna | 7f29a3b | 2010-03-09 12:24:38 +0000 | [diff] [blame] | 561 | { |
| 562 | struct usbnet *dev = netdev_priv(net); |
| 563 | struct asix_data *data = (struct asix_data *)&dev->data; |
| 564 | struct sockaddr *addr = p; |
| 565 | |
| 566 | if (netif_running(net)) |
| 567 | return -EBUSY; |
| 568 | if (!is_valid_ether_addr(addr->sa_data)) |
| 569 | return -EADDRNOTAVAIL; |
| 570 | |
| 571 | memcpy(net->dev_addr, addr->sa_data, ETH_ALEN); |
| 572 | |
| 573 | /* We use the 20 byte dev->data |
| 574 | * for our 6 byte mac buffer |
| 575 | * to avoid allocating memory that |
| 576 | * is tricky to free later */ |
| 577 | memcpy(data->mac_addr, addr->sa_data, ETH_ALEN); |
| 578 | asix_write_cmd_async(dev, AX_CMD_WRITE_NODE_ID, 0, 0, ETH_ALEN, |
| 579 | data->mac_addr); |
| 580 | |
| 581 | return 0; |
| 582 | } |