Steve Glendinning | d0cad87 | 2010-03-16 08:46:46 +0000 | [diff] [blame] | 1 | /*************************************************************************** |
| 2 | * |
| 3 | * Copyright (C) 2007-2010 SMSC |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or |
| 6 | * modify it under the terms of the GNU General Public License |
| 7 | * as published by the Free Software Foundation; either version 2 |
| 8 | * of the License, or (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
| 17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 18 | * |
| 19 | *****************************************************************************/ |
| 20 | |
| 21 | #include <linux/module.h> |
| 22 | #include <linux/kmod.h> |
| 23 | #include <linux/init.h> |
| 24 | #include <linux/netdevice.h> |
| 25 | #include <linux/etherdevice.h> |
| 26 | #include <linux/ethtool.h> |
| 27 | #include <linux/mii.h> |
| 28 | #include <linux/usb.h> |
| 29 | #include <linux/crc32.h> |
| 30 | #include <linux/usb/usbnet.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 31 | #include <linux/slab.h> |
Steve Glendinning | d0cad87 | 2010-03-16 08:46:46 +0000 | [diff] [blame] | 32 | #include "smsc75xx.h" |
| 33 | |
| 34 | #define SMSC_CHIPNAME "smsc75xx" |
| 35 | #define SMSC_DRIVER_VERSION "1.0.0" |
| 36 | #define HS_USB_PKT_SIZE (512) |
| 37 | #define FS_USB_PKT_SIZE (64) |
| 38 | #define DEFAULT_HS_BURST_CAP_SIZE (16 * 1024 + 5 * HS_USB_PKT_SIZE) |
| 39 | #define DEFAULT_FS_BURST_CAP_SIZE (6 * 1024 + 33 * FS_USB_PKT_SIZE) |
| 40 | #define DEFAULT_BULK_IN_DELAY (0x00002000) |
| 41 | #define MAX_SINGLE_PACKET_SIZE (9000) |
| 42 | #define LAN75XX_EEPROM_MAGIC (0x7500) |
| 43 | #define EEPROM_MAC_OFFSET (0x01) |
| 44 | #define DEFAULT_TX_CSUM_ENABLE (true) |
| 45 | #define DEFAULT_RX_CSUM_ENABLE (true) |
| 46 | #define DEFAULT_TSO_ENABLE (true) |
| 47 | #define SMSC75XX_INTERNAL_PHY_ID (1) |
| 48 | #define SMSC75XX_TX_OVERHEAD (8) |
| 49 | #define MAX_RX_FIFO_SIZE (20 * 1024) |
| 50 | #define MAX_TX_FIFO_SIZE (12 * 1024) |
| 51 | #define USB_VENDOR_ID_SMSC (0x0424) |
| 52 | #define USB_PRODUCT_ID_LAN7500 (0x7500) |
| 53 | #define USB_PRODUCT_ID_LAN7505 (0x7505) |
Nico Erfurth | ea1649d | 2011-11-08 07:30:40 +0000 | [diff] [blame] | 54 | #define RXW_PADDING 2 |
Steve Glendinning | d0cad87 | 2010-03-16 08:46:46 +0000 | [diff] [blame] | 55 | |
| 56 | #define check_warn(ret, fmt, args...) \ |
| 57 | ({ if (ret < 0) netdev_warn(dev->net, fmt, ##args); }) |
| 58 | |
| 59 | #define check_warn_return(ret, fmt, args...) \ |
| 60 | ({ if (ret < 0) { netdev_warn(dev->net, fmt, ##args); return ret; } }) |
| 61 | |
| 62 | #define check_warn_goto_done(ret, fmt, args...) \ |
| 63 | ({ if (ret < 0) { netdev_warn(dev->net, fmt, ##args); goto done; } }) |
| 64 | |
| 65 | struct smsc75xx_priv { |
| 66 | struct usbnet *dev; |
| 67 | u32 rfe_ctl; |
| 68 | u32 multicast_hash_table[DP_SEL_VHF_HASH_LEN]; |
Steve Glendinning | d0cad87 | 2010-03-16 08:46:46 +0000 | [diff] [blame] | 69 | struct mutex dataport_mutex; |
| 70 | spinlock_t rfe_ctl_lock; |
| 71 | struct work_struct set_multicast; |
| 72 | }; |
| 73 | |
| 74 | struct usb_context { |
| 75 | struct usb_ctrlrequest req; |
| 76 | struct usbnet *dev; |
| 77 | }; |
| 78 | |
Rusty Russell | eb93992 | 2011-12-19 14:08:01 +0000 | [diff] [blame] | 79 | static bool turbo_mode = true; |
Steve Glendinning | d0cad87 | 2010-03-16 08:46:46 +0000 | [diff] [blame] | 80 | module_param(turbo_mode, bool, 0644); |
| 81 | MODULE_PARM_DESC(turbo_mode, "Enable multiple frames per Rx transaction"); |
| 82 | |
| 83 | static int __must_check smsc75xx_read_reg(struct usbnet *dev, u32 index, |
| 84 | u32 *data) |
| 85 | { |
| 86 | u32 *buf = kmalloc(4, GFP_KERNEL); |
| 87 | int ret; |
| 88 | |
| 89 | BUG_ON(!dev); |
| 90 | |
| 91 | if (!buf) |
| 92 | return -ENOMEM; |
| 93 | |
| 94 | ret = usb_control_msg(dev->udev, usb_rcvctrlpipe(dev->udev, 0), |
| 95 | USB_VENDOR_REQUEST_READ_REGISTER, |
| 96 | USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, |
| 97 | 00, index, buf, 4, USB_CTRL_GET_TIMEOUT); |
| 98 | |
| 99 | if (unlikely(ret < 0)) |
| 100 | netdev_warn(dev->net, |
Steve Glendinning | 4f49add | 2012-04-30 07:56:52 +0000 | [diff] [blame] | 101 | "Failed to read reg index 0x%08x: %d", index, ret); |
Steve Glendinning | d0cad87 | 2010-03-16 08:46:46 +0000 | [diff] [blame] | 102 | |
| 103 | le32_to_cpus(buf); |
| 104 | *data = *buf; |
| 105 | kfree(buf); |
| 106 | |
| 107 | return ret; |
| 108 | } |
| 109 | |
| 110 | static int __must_check smsc75xx_write_reg(struct usbnet *dev, u32 index, |
| 111 | u32 data) |
| 112 | { |
| 113 | u32 *buf = kmalloc(4, GFP_KERNEL); |
| 114 | int ret; |
| 115 | |
| 116 | BUG_ON(!dev); |
| 117 | |
| 118 | if (!buf) |
| 119 | return -ENOMEM; |
| 120 | |
| 121 | *buf = data; |
| 122 | cpu_to_le32s(buf); |
| 123 | |
| 124 | ret = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0), |
| 125 | USB_VENDOR_REQUEST_WRITE_REGISTER, |
| 126 | USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, |
| 127 | 00, index, buf, 4, USB_CTRL_SET_TIMEOUT); |
| 128 | |
| 129 | if (unlikely(ret < 0)) |
| 130 | netdev_warn(dev->net, |
Steve Glendinning | 4f49add | 2012-04-30 07:56:52 +0000 | [diff] [blame] | 131 | "Failed to write reg index 0x%08x: %d", index, ret); |
Steve Glendinning | d0cad87 | 2010-03-16 08:46:46 +0000 | [diff] [blame] | 132 | |
| 133 | kfree(buf); |
| 134 | |
| 135 | return ret; |
| 136 | } |
| 137 | |
| 138 | /* Loop until the read is completed with timeout |
| 139 | * called with phy_mutex held */ |
| 140 | static int smsc75xx_phy_wait_not_busy(struct usbnet *dev) |
| 141 | { |
| 142 | unsigned long start_time = jiffies; |
| 143 | u32 val; |
| 144 | int ret; |
| 145 | |
| 146 | do { |
| 147 | ret = smsc75xx_read_reg(dev, MII_ACCESS, &val); |
| 148 | check_warn_return(ret, "Error reading MII_ACCESS"); |
| 149 | |
| 150 | if (!(val & MII_ACCESS_BUSY)) |
| 151 | return 0; |
| 152 | } while (!time_after(jiffies, start_time + HZ)); |
| 153 | |
| 154 | return -EIO; |
| 155 | } |
| 156 | |
| 157 | static int smsc75xx_mdio_read(struct net_device *netdev, int phy_id, int idx) |
| 158 | { |
| 159 | struct usbnet *dev = netdev_priv(netdev); |
| 160 | u32 val, addr; |
| 161 | int ret; |
| 162 | |
| 163 | mutex_lock(&dev->phy_mutex); |
| 164 | |
| 165 | /* confirm MII not busy */ |
| 166 | ret = smsc75xx_phy_wait_not_busy(dev); |
| 167 | check_warn_goto_done(ret, "MII is busy in smsc75xx_mdio_read"); |
| 168 | |
| 169 | /* set the address, index & direction (read from PHY) */ |
| 170 | phy_id &= dev->mii.phy_id_mask; |
| 171 | idx &= dev->mii.reg_num_mask; |
| 172 | addr = ((phy_id << MII_ACCESS_PHY_ADDR_SHIFT) & MII_ACCESS_PHY_ADDR) |
| 173 | | ((idx << MII_ACCESS_REG_ADDR_SHIFT) & MII_ACCESS_REG_ADDR) |
Steve Glendinning | cb8722d | 2012-04-30 07:56:51 +0000 | [diff] [blame] | 174 | | MII_ACCESS_READ | MII_ACCESS_BUSY; |
Steve Glendinning | d0cad87 | 2010-03-16 08:46:46 +0000 | [diff] [blame] | 175 | ret = smsc75xx_write_reg(dev, MII_ACCESS, addr); |
| 176 | check_warn_goto_done(ret, "Error writing MII_ACCESS"); |
| 177 | |
| 178 | ret = smsc75xx_phy_wait_not_busy(dev); |
| 179 | check_warn_goto_done(ret, "Timed out reading MII reg %02X", idx); |
| 180 | |
| 181 | ret = smsc75xx_read_reg(dev, MII_DATA, &val); |
| 182 | check_warn_goto_done(ret, "Error reading MII_DATA"); |
| 183 | |
| 184 | ret = (u16)(val & 0xFFFF); |
| 185 | |
| 186 | done: |
| 187 | mutex_unlock(&dev->phy_mutex); |
| 188 | return ret; |
| 189 | } |
| 190 | |
| 191 | static void smsc75xx_mdio_write(struct net_device *netdev, int phy_id, int idx, |
| 192 | int regval) |
| 193 | { |
| 194 | struct usbnet *dev = netdev_priv(netdev); |
| 195 | u32 val, addr; |
| 196 | int ret; |
| 197 | |
| 198 | mutex_lock(&dev->phy_mutex); |
| 199 | |
| 200 | /* confirm MII not busy */ |
| 201 | ret = smsc75xx_phy_wait_not_busy(dev); |
| 202 | check_warn_goto_done(ret, "MII is busy in smsc75xx_mdio_write"); |
| 203 | |
| 204 | val = regval; |
| 205 | ret = smsc75xx_write_reg(dev, MII_DATA, val); |
| 206 | check_warn_goto_done(ret, "Error writing MII_DATA"); |
| 207 | |
| 208 | /* set the address, index & direction (write to PHY) */ |
| 209 | phy_id &= dev->mii.phy_id_mask; |
| 210 | idx &= dev->mii.reg_num_mask; |
| 211 | addr = ((phy_id << MII_ACCESS_PHY_ADDR_SHIFT) & MII_ACCESS_PHY_ADDR) |
| 212 | | ((idx << MII_ACCESS_REG_ADDR_SHIFT) & MII_ACCESS_REG_ADDR) |
Steve Glendinning | cb8722d | 2012-04-30 07:56:51 +0000 | [diff] [blame] | 213 | | MII_ACCESS_WRITE | MII_ACCESS_BUSY; |
Steve Glendinning | d0cad87 | 2010-03-16 08:46:46 +0000 | [diff] [blame] | 214 | ret = smsc75xx_write_reg(dev, MII_ACCESS, addr); |
| 215 | check_warn_goto_done(ret, "Error writing MII_ACCESS"); |
| 216 | |
| 217 | ret = smsc75xx_phy_wait_not_busy(dev); |
| 218 | check_warn_goto_done(ret, "Timed out writing MII reg %02X", idx); |
| 219 | |
| 220 | done: |
| 221 | mutex_unlock(&dev->phy_mutex); |
| 222 | } |
| 223 | |
| 224 | static int smsc75xx_wait_eeprom(struct usbnet *dev) |
| 225 | { |
| 226 | unsigned long start_time = jiffies; |
| 227 | u32 val; |
| 228 | int ret; |
| 229 | |
| 230 | do { |
| 231 | ret = smsc75xx_read_reg(dev, E2P_CMD, &val); |
| 232 | check_warn_return(ret, "Error reading E2P_CMD"); |
| 233 | |
| 234 | if (!(val & E2P_CMD_BUSY) || (val & E2P_CMD_TIMEOUT)) |
| 235 | break; |
| 236 | udelay(40); |
| 237 | } while (!time_after(jiffies, start_time + HZ)); |
| 238 | |
| 239 | if (val & (E2P_CMD_TIMEOUT | E2P_CMD_BUSY)) { |
| 240 | netdev_warn(dev->net, "EEPROM read operation timeout"); |
| 241 | return -EIO; |
| 242 | } |
| 243 | |
| 244 | return 0; |
| 245 | } |
| 246 | |
| 247 | static int smsc75xx_eeprom_confirm_not_busy(struct usbnet *dev) |
| 248 | { |
| 249 | unsigned long start_time = jiffies; |
| 250 | u32 val; |
| 251 | int ret; |
| 252 | |
| 253 | do { |
| 254 | ret = smsc75xx_read_reg(dev, E2P_CMD, &val); |
| 255 | check_warn_return(ret, "Error reading E2P_CMD"); |
| 256 | |
| 257 | if (!(val & E2P_CMD_BUSY)) |
| 258 | return 0; |
| 259 | |
| 260 | udelay(40); |
| 261 | } while (!time_after(jiffies, start_time + HZ)); |
| 262 | |
| 263 | netdev_warn(dev->net, "EEPROM is busy"); |
| 264 | return -EIO; |
| 265 | } |
| 266 | |
| 267 | static int smsc75xx_read_eeprom(struct usbnet *dev, u32 offset, u32 length, |
| 268 | u8 *data) |
| 269 | { |
| 270 | u32 val; |
| 271 | int i, ret; |
| 272 | |
| 273 | BUG_ON(!dev); |
| 274 | BUG_ON(!data); |
| 275 | |
| 276 | ret = smsc75xx_eeprom_confirm_not_busy(dev); |
| 277 | if (ret) |
| 278 | return ret; |
| 279 | |
| 280 | for (i = 0; i < length; i++) { |
| 281 | val = E2P_CMD_BUSY | E2P_CMD_READ | (offset & E2P_CMD_ADDR); |
| 282 | ret = smsc75xx_write_reg(dev, E2P_CMD, val); |
| 283 | check_warn_return(ret, "Error writing E2P_CMD"); |
| 284 | |
| 285 | ret = smsc75xx_wait_eeprom(dev); |
| 286 | if (ret < 0) |
| 287 | return ret; |
| 288 | |
| 289 | ret = smsc75xx_read_reg(dev, E2P_DATA, &val); |
| 290 | check_warn_return(ret, "Error reading E2P_DATA"); |
| 291 | |
| 292 | data[i] = val & 0xFF; |
| 293 | offset++; |
| 294 | } |
| 295 | |
| 296 | return 0; |
| 297 | } |
| 298 | |
| 299 | static int smsc75xx_write_eeprom(struct usbnet *dev, u32 offset, u32 length, |
| 300 | u8 *data) |
| 301 | { |
| 302 | u32 val; |
| 303 | int i, ret; |
| 304 | |
| 305 | BUG_ON(!dev); |
| 306 | BUG_ON(!data); |
| 307 | |
| 308 | ret = smsc75xx_eeprom_confirm_not_busy(dev); |
| 309 | if (ret) |
| 310 | return ret; |
| 311 | |
| 312 | /* Issue write/erase enable command */ |
| 313 | val = E2P_CMD_BUSY | E2P_CMD_EWEN; |
| 314 | ret = smsc75xx_write_reg(dev, E2P_CMD, val); |
| 315 | check_warn_return(ret, "Error writing E2P_CMD"); |
| 316 | |
| 317 | ret = smsc75xx_wait_eeprom(dev); |
| 318 | if (ret < 0) |
| 319 | return ret; |
| 320 | |
| 321 | for (i = 0; i < length; i++) { |
| 322 | |
| 323 | /* Fill data register */ |
| 324 | val = data[i]; |
| 325 | ret = smsc75xx_write_reg(dev, E2P_DATA, val); |
| 326 | check_warn_return(ret, "Error writing E2P_DATA"); |
| 327 | |
| 328 | /* Send "write" command */ |
| 329 | val = E2P_CMD_BUSY | E2P_CMD_WRITE | (offset & E2P_CMD_ADDR); |
| 330 | ret = smsc75xx_write_reg(dev, E2P_CMD, val); |
| 331 | check_warn_return(ret, "Error writing E2P_CMD"); |
| 332 | |
| 333 | ret = smsc75xx_wait_eeprom(dev); |
| 334 | if (ret < 0) |
| 335 | return ret; |
| 336 | |
| 337 | offset++; |
| 338 | } |
| 339 | |
| 340 | return 0; |
| 341 | } |
| 342 | |
| 343 | static int smsc75xx_dataport_wait_not_busy(struct usbnet *dev) |
| 344 | { |
| 345 | int i, ret; |
| 346 | |
| 347 | for (i = 0; i < 100; i++) { |
| 348 | u32 dp_sel; |
| 349 | ret = smsc75xx_read_reg(dev, DP_SEL, &dp_sel); |
| 350 | check_warn_return(ret, "Error reading DP_SEL"); |
| 351 | |
| 352 | if (dp_sel & DP_SEL_DPRDY) |
| 353 | return 0; |
| 354 | |
| 355 | udelay(40); |
| 356 | } |
| 357 | |
| 358 | netdev_warn(dev->net, "smsc75xx_dataport_wait_not_busy timed out"); |
| 359 | |
| 360 | return -EIO; |
| 361 | } |
| 362 | |
| 363 | static int smsc75xx_dataport_write(struct usbnet *dev, u32 ram_select, u32 addr, |
| 364 | u32 length, u32 *buf) |
| 365 | { |
| 366 | struct smsc75xx_priv *pdata = (struct smsc75xx_priv *)(dev->data[0]); |
| 367 | u32 dp_sel; |
| 368 | int i, ret; |
| 369 | |
| 370 | mutex_lock(&pdata->dataport_mutex); |
| 371 | |
| 372 | ret = smsc75xx_dataport_wait_not_busy(dev); |
| 373 | check_warn_goto_done(ret, "smsc75xx_dataport_write busy on entry"); |
| 374 | |
| 375 | ret = smsc75xx_read_reg(dev, DP_SEL, &dp_sel); |
| 376 | check_warn_goto_done(ret, "Error reading DP_SEL"); |
| 377 | |
| 378 | dp_sel &= ~DP_SEL_RSEL; |
| 379 | dp_sel |= ram_select; |
| 380 | ret = smsc75xx_write_reg(dev, DP_SEL, dp_sel); |
| 381 | check_warn_goto_done(ret, "Error writing DP_SEL"); |
| 382 | |
| 383 | for (i = 0; i < length; i++) { |
| 384 | ret = smsc75xx_write_reg(dev, DP_ADDR, addr + i); |
| 385 | check_warn_goto_done(ret, "Error writing DP_ADDR"); |
| 386 | |
| 387 | ret = smsc75xx_write_reg(dev, DP_DATA, buf[i]); |
| 388 | check_warn_goto_done(ret, "Error writing DP_DATA"); |
| 389 | |
| 390 | ret = smsc75xx_write_reg(dev, DP_CMD, DP_CMD_WRITE); |
| 391 | check_warn_goto_done(ret, "Error writing DP_CMD"); |
| 392 | |
| 393 | ret = smsc75xx_dataport_wait_not_busy(dev); |
| 394 | check_warn_goto_done(ret, "smsc75xx_dataport_write timeout"); |
| 395 | } |
| 396 | |
| 397 | done: |
| 398 | mutex_unlock(&pdata->dataport_mutex); |
| 399 | return ret; |
| 400 | } |
| 401 | |
| 402 | /* returns hash bit number for given MAC address */ |
| 403 | static u32 smsc75xx_hash(char addr[ETH_ALEN]) |
| 404 | { |
| 405 | return (ether_crc(ETH_ALEN, addr) >> 23) & 0x1ff; |
| 406 | } |
| 407 | |
| 408 | static void smsc75xx_deferred_multicast_write(struct work_struct *param) |
| 409 | { |
| 410 | struct smsc75xx_priv *pdata = |
| 411 | container_of(param, struct smsc75xx_priv, set_multicast); |
| 412 | struct usbnet *dev = pdata->dev; |
| 413 | int ret; |
| 414 | |
| 415 | netif_dbg(dev, drv, dev->net, "deferred multicast write 0x%08x", |
| 416 | pdata->rfe_ctl); |
| 417 | |
| 418 | smsc75xx_dataport_write(dev, DP_SEL_VHF, DP_SEL_VHF_VLAN_LEN, |
| 419 | DP_SEL_VHF_HASH_LEN, pdata->multicast_hash_table); |
| 420 | |
| 421 | ret = smsc75xx_write_reg(dev, RFE_CTL, pdata->rfe_ctl); |
| 422 | check_warn(ret, "Error writing RFE_CRL"); |
| 423 | } |
| 424 | |
| 425 | static void smsc75xx_set_multicast(struct net_device *netdev) |
| 426 | { |
| 427 | struct usbnet *dev = netdev_priv(netdev); |
| 428 | struct smsc75xx_priv *pdata = (struct smsc75xx_priv *)(dev->data[0]); |
| 429 | unsigned long flags; |
| 430 | int i; |
| 431 | |
| 432 | spin_lock_irqsave(&pdata->rfe_ctl_lock, flags); |
| 433 | |
| 434 | pdata->rfe_ctl &= |
| 435 | ~(RFE_CTL_AU | RFE_CTL_AM | RFE_CTL_DPF | RFE_CTL_MHF); |
| 436 | pdata->rfe_ctl |= RFE_CTL_AB; |
| 437 | |
| 438 | for (i = 0; i < DP_SEL_VHF_HASH_LEN; i++) |
| 439 | pdata->multicast_hash_table[i] = 0; |
| 440 | |
| 441 | if (dev->net->flags & IFF_PROMISC) { |
| 442 | netif_dbg(dev, drv, dev->net, "promiscuous mode enabled"); |
| 443 | pdata->rfe_ctl |= RFE_CTL_AM | RFE_CTL_AU; |
| 444 | } else if (dev->net->flags & IFF_ALLMULTI) { |
| 445 | netif_dbg(dev, drv, dev->net, "receive all multicast enabled"); |
| 446 | pdata->rfe_ctl |= RFE_CTL_AM | RFE_CTL_DPF; |
| 447 | } else if (!netdev_mc_empty(dev->net)) { |
Jiri Pirko | 22bedad3 | 2010-04-01 21:22:57 +0000 | [diff] [blame] | 448 | struct netdev_hw_addr *ha; |
Steve Glendinning | d0cad87 | 2010-03-16 08:46:46 +0000 | [diff] [blame] | 449 | |
| 450 | netif_dbg(dev, drv, dev->net, "receive multicast hash filter"); |
| 451 | |
| 452 | pdata->rfe_ctl |= RFE_CTL_MHF | RFE_CTL_DPF; |
| 453 | |
Jiri Pirko | 22bedad3 | 2010-04-01 21:22:57 +0000 | [diff] [blame] | 454 | netdev_for_each_mc_addr(ha, netdev) { |
| 455 | u32 bitnum = smsc75xx_hash(ha->addr); |
Steve Glendinning | d0cad87 | 2010-03-16 08:46:46 +0000 | [diff] [blame] | 456 | pdata->multicast_hash_table[bitnum / 32] |= |
| 457 | (1 << (bitnum % 32)); |
| 458 | } |
| 459 | } else { |
| 460 | netif_dbg(dev, drv, dev->net, "receive own packets only"); |
| 461 | pdata->rfe_ctl |= RFE_CTL_DPF; |
| 462 | } |
| 463 | |
| 464 | spin_unlock_irqrestore(&pdata->rfe_ctl_lock, flags); |
| 465 | |
| 466 | /* defer register writes to a sleepable context */ |
| 467 | schedule_work(&pdata->set_multicast); |
| 468 | } |
| 469 | |
| 470 | static int smsc75xx_update_flowcontrol(struct usbnet *dev, u8 duplex, |
| 471 | u16 lcladv, u16 rmtadv) |
| 472 | { |
| 473 | u32 flow = 0, fct_flow = 0; |
| 474 | int ret; |
| 475 | |
| 476 | if (duplex == DUPLEX_FULL) { |
| 477 | u8 cap = mii_resolve_flowctrl_fdx(lcladv, rmtadv); |
| 478 | |
| 479 | if (cap & FLOW_CTRL_TX) { |
| 480 | flow = (FLOW_TX_FCEN | 0xFFFF); |
| 481 | /* set fct_flow thresholds to 20% and 80% */ |
| 482 | fct_flow = (8 << 8) | 32; |
| 483 | } |
| 484 | |
| 485 | if (cap & FLOW_CTRL_RX) |
| 486 | flow |= FLOW_RX_FCEN; |
| 487 | |
| 488 | netif_dbg(dev, link, dev->net, "rx pause %s, tx pause %s", |
| 489 | (cap & FLOW_CTRL_RX ? "enabled" : "disabled"), |
| 490 | (cap & FLOW_CTRL_TX ? "enabled" : "disabled")); |
| 491 | } else { |
| 492 | netif_dbg(dev, link, dev->net, "half duplex"); |
| 493 | } |
| 494 | |
| 495 | ret = smsc75xx_write_reg(dev, FLOW, flow); |
| 496 | check_warn_return(ret, "Error writing FLOW"); |
| 497 | |
| 498 | ret = smsc75xx_write_reg(dev, FCT_FLOW, fct_flow); |
| 499 | check_warn_return(ret, "Error writing FCT_FLOW"); |
| 500 | |
| 501 | return 0; |
| 502 | } |
| 503 | |
| 504 | static int smsc75xx_link_reset(struct usbnet *dev) |
| 505 | { |
| 506 | struct mii_if_info *mii = &dev->mii; |
David Decotigny | 8ae6dac | 2011-04-27 18:32:38 +0000 | [diff] [blame] | 507 | struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET }; |
Steve Glendinning | d0cad87 | 2010-03-16 08:46:46 +0000 | [diff] [blame] | 508 | u16 lcladv, rmtadv; |
| 509 | int ret; |
| 510 | |
Steve Glendinning | b140504 | 2012-04-30 07:56:54 +0000 | [diff] [blame] | 511 | /* read and write to clear phy interrupt status */ |
Steve Glendinning | d0cad87 | 2010-03-16 08:46:46 +0000 | [diff] [blame] | 512 | ret = smsc75xx_mdio_read(dev->net, mii->phy_id, PHY_INT_SRC); |
| 513 | check_warn_return(ret, "Error reading PHY_INT_SRC"); |
Steve Glendinning | b140504 | 2012-04-30 07:56:54 +0000 | [diff] [blame] | 514 | smsc75xx_mdio_write(dev->net, mii->phy_id, PHY_INT_SRC, 0xffff); |
Steve Glendinning | d0cad87 | 2010-03-16 08:46:46 +0000 | [diff] [blame] | 515 | |
| 516 | ret = smsc75xx_write_reg(dev, INT_STS, INT_STS_CLEAR_ALL); |
| 517 | check_warn_return(ret, "Error writing INT_STS"); |
| 518 | |
| 519 | mii_check_media(mii, 1, 1); |
| 520 | mii_ethtool_gset(&dev->mii, &ecmd); |
| 521 | lcladv = smsc75xx_mdio_read(dev->net, mii->phy_id, MII_ADVERTISE); |
| 522 | rmtadv = smsc75xx_mdio_read(dev->net, mii->phy_id, MII_LPA); |
| 523 | |
David Decotigny | 8ae6dac | 2011-04-27 18:32:38 +0000 | [diff] [blame] | 524 | netif_dbg(dev, link, dev->net, "speed: %u duplex: %d lcladv: %04x" |
| 525 | " rmtadv: %04x", ethtool_cmd_speed(&ecmd), |
| 526 | ecmd.duplex, lcladv, rmtadv); |
Steve Glendinning | d0cad87 | 2010-03-16 08:46:46 +0000 | [diff] [blame] | 527 | |
| 528 | return smsc75xx_update_flowcontrol(dev, ecmd.duplex, lcladv, rmtadv); |
| 529 | } |
| 530 | |
| 531 | static void smsc75xx_status(struct usbnet *dev, struct urb *urb) |
| 532 | { |
| 533 | u32 intdata; |
| 534 | |
| 535 | if (urb->actual_length != 4) { |
| 536 | netdev_warn(dev->net, |
| 537 | "unexpected urb length %d", urb->actual_length); |
| 538 | return; |
| 539 | } |
| 540 | |
| 541 | memcpy(&intdata, urb->transfer_buffer, 4); |
| 542 | le32_to_cpus(&intdata); |
| 543 | |
| 544 | netif_dbg(dev, link, dev->net, "intdata: 0x%08X", intdata); |
| 545 | |
| 546 | if (intdata & INT_ENP_PHY_INT) |
| 547 | usbnet_defer_kevent(dev, EVENT_LINK_RESET); |
| 548 | else |
| 549 | netdev_warn(dev->net, |
| 550 | "unexpected interrupt, intdata=0x%08X", intdata); |
| 551 | } |
| 552 | |
Steve Glendinning | d0cad87 | 2010-03-16 08:46:46 +0000 | [diff] [blame] | 553 | static int smsc75xx_ethtool_get_eeprom_len(struct net_device *net) |
| 554 | { |
| 555 | return MAX_EEPROM_SIZE; |
| 556 | } |
| 557 | |
| 558 | static int smsc75xx_ethtool_get_eeprom(struct net_device *netdev, |
| 559 | struct ethtool_eeprom *ee, u8 *data) |
| 560 | { |
| 561 | struct usbnet *dev = netdev_priv(netdev); |
| 562 | |
| 563 | ee->magic = LAN75XX_EEPROM_MAGIC; |
| 564 | |
| 565 | return smsc75xx_read_eeprom(dev, ee->offset, ee->len, data); |
| 566 | } |
| 567 | |
| 568 | static int smsc75xx_ethtool_set_eeprom(struct net_device *netdev, |
| 569 | struct ethtool_eeprom *ee, u8 *data) |
| 570 | { |
| 571 | struct usbnet *dev = netdev_priv(netdev); |
| 572 | |
| 573 | if (ee->magic != LAN75XX_EEPROM_MAGIC) { |
| 574 | netdev_warn(dev->net, |
| 575 | "EEPROM: magic value mismatch: 0x%x", ee->magic); |
| 576 | return -EINVAL; |
| 577 | } |
| 578 | |
| 579 | return smsc75xx_write_eeprom(dev, ee->offset, ee->len, data); |
| 580 | } |
| 581 | |
Steve Glendinning | d0cad87 | 2010-03-16 08:46:46 +0000 | [diff] [blame] | 582 | static const struct ethtool_ops smsc75xx_ethtool_ops = { |
| 583 | .get_link = usbnet_get_link, |
| 584 | .nway_reset = usbnet_nway_reset, |
| 585 | .get_drvinfo = usbnet_get_drvinfo, |
| 586 | .get_msglevel = usbnet_get_msglevel, |
| 587 | .set_msglevel = usbnet_set_msglevel, |
| 588 | .get_settings = usbnet_get_settings, |
| 589 | .set_settings = usbnet_set_settings, |
| 590 | .get_eeprom_len = smsc75xx_ethtool_get_eeprom_len, |
| 591 | .get_eeprom = smsc75xx_ethtool_get_eeprom, |
| 592 | .set_eeprom = smsc75xx_ethtool_set_eeprom, |
Steve Glendinning | d0cad87 | 2010-03-16 08:46:46 +0000 | [diff] [blame] | 593 | }; |
| 594 | |
| 595 | static int smsc75xx_ioctl(struct net_device *netdev, struct ifreq *rq, int cmd) |
| 596 | { |
| 597 | struct usbnet *dev = netdev_priv(netdev); |
| 598 | |
| 599 | if (!netif_running(netdev)) |
| 600 | return -EINVAL; |
| 601 | |
| 602 | return generic_mii_ioctl(&dev->mii, if_mii(rq), cmd, NULL); |
| 603 | } |
| 604 | |
| 605 | static void smsc75xx_init_mac_address(struct usbnet *dev) |
| 606 | { |
| 607 | /* try reading mac address from EEPROM */ |
| 608 | if (smsc75xx_read_eeprom(dev, EEPROM_MAC_OFFSET, ETH_ALEN, |
| 609 | dev->net->dev_addr) == 0) { |
| 610 | if (is_valid_ether_addr(dev->net->dev_addr)) { |
| 611 | /* eeprom values are valid so use them */ |
| 612 | netif_dbg(dev, ifup, dev->net, |
| 613 | "MAC address read from EEPROM"); |
| 614 | return; |
| 615 | } |
| 616 | } |
| 617 | |
| 618 | /* no eeprom, or eeprom values are invalid. generate random MAC */ |
Danny Kukawka | f2cedb6 | 2012-02-15 06:45:39 +0000 | [diff] [blame] | 619 | eth_hw_addr_random(dev->net); |
Steve Glendinning | d0cad87 | 2010-03-16 08:46:46 +0000 | [diff] [blame] | 620 | netif_dbg(dev, ifup, dev->net, "MAC address set to random_ether_addr"); |
| 621 | } |
| 622 | |
| 623 | static int smsc75xx_set_mac_address(struct usbnet *dev) |
| 624 | { |
| 625 | u32 addr_lo = dev->net->dev_addr[0] | dev->net->dev_addr[1] << 8 | |
| 626 | dev->net->dev_addr[2] << 16 | dev->net->dev_addr[3] << 24; |
| 627 | u32 addr_hi = dev->net->dev_addr[4] | dev->net->dev_addr[5] << 8; |
| 628 | |
| 629 | int ret = smsc75xx_write_reg(dev, RX_ADDRH, addr_hi); |
| 630 | check_warn_return(ret, "Failed to write RX_ADDRH: %d", ret); |
| 631 | |
| 632 | ret = smsc75xx_write_reg(dev, RX_ADDRL, addr_lo); |
| 633 | check_warn_return(ret, "Failed to write RX_ADDRL: %d", ret); |
| 634 | |
| 635 | addr_hi |= ADDR_FILTX_FB_VALID; |
| 636 | ret = smsc75xx_write_reg(dev, ADDR_FILTX, addr_hi); |
| 637 | check_warn_return(ret, "Failed to write ADDR_FILTX: %d", ret); |
| 638 | |
| 639 | ret = smsc75xx_write_reg(dev, ADDR_FILTX + 4, addr_lo); |
| 640 | check_warn_return(ret, "Failed to write ADDR_FILTX+4: %d", ret); |
| 641 | |
| 642 | return 0; |
| 643 | } |
| 644 | |
| 645 | static int smsc75xx_phy_initialize(struct usbnet *dev) |
| 646 | { |
Steve Glendinning | b140504 | 2012-04-30 07:56:54 +0000 | [diff] [blame] | 647 | int bmcr, ret, timeout = 0; |
Steve Glendinning | d0cad87 | 2010-03-16 08:46:46 +0000 | [diff] [blame] | 648 | |
| 649 | /* Initialize MII structure */ |
| 650 | dev->mii.dev = dev->net; |
| 651 | dev->mii.mdio_read = smsc75xx_mdio_read; |
| 652 | dev->mii.mdio_write = smsc75xx_mdio_write; |
| 653 | dev->mii.phy_id_mask = 0x1f; |
| 654 | dev->mii.reg_num_mask = 0x1f; |
Steve Glendinning | c0b92e4 | 2012-04-30 07:56:55 +0000 | [diff] [blame] | 655 | dev->mii.supports_gmii = 1; |
Steve Glendinning | d0cad87 | 2010-03-16 08:46:46 +0000 | [diff] [blame] | 656 | dev->mii.phy_id = SMSC75XX_INTERNAL_PHY_ID; |
| 657 | |
| 658 | /* reset phy and wait for reset to complete */ |
| 659 | smsc75xx_mdio_write(dev->net, dev->mii.phy_id, MII_BMCR, BMCR_RESET); |
| 660 | |
| 661 | do { |
| 662 | msleep(10); |
| 663 | bmcr = smsc75xx_mdio_read(dev->net, dev->mii.phy_id, MII_BMCR); |
| 664 | check_warn_return(bmcr, "Error reading MII_BMCR"); |
| 665 | timeout++; |
Steve Glendinning | 8a1d59d | 2012-04-30 07:56:53 +0000 | [diff] [blame] | 666 | } while ((bmcr & BMCR_RESET) && (timeout < 100)); |
Steve Glendinning | d0cad87 | 2010-03-16 08:46:46 +0000 | [diff] [blame] | 667 | |
| 668 | if (timeout >= 100) { |
| 669 | netdev_warn(dev->net, "timeout on PHY Reset"); |
| 670 | return -EIO; |
| 671 | } |
| 672 | |
| 673 | smsc75xx_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE, |
| 674 | ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP | |
| 675 | ADVERTISE_PAUSE_ASYM); |
Steve Glendinning | c0b92e4 | 2012-04-30 07:56:55 +0000 | [diff] [blame] | 676 | smsc75xx_mdio_write(dev->net, dev->mii.phy_id, MII_CTRL1000, |
| 677 | ADVERTISE_1000FULL); |
Steve Glendinning | d0cad87 | 2010-03-16 08:46:46 +0000 | [diff] [blame] | 678 | |
Steve Glendinning | b140504 | 2012-04-30 07:56:54 +0000 | [diff] [blame] | 679 | /* read and write to clear phy interrupt status */ |
| 680 | ret = smsc75xx_mdio_read(dev->net, dev->mii.phy_id, PHY_INT_SRC); |
| 681 | check_warn_return(ret, "Error reading PHY_INT_SRC"); |
| 682 | smsc75xx_mdio_write(dev->net, dev->mii.phy_id, PHY_INT_SRC, 0xffff); |
Steve Glendinning | d0cad87 | 2010-03-16 08:46:46 +0000 | [diff] [blame] | 683 | |
| 684 | smsc75xx_mdio_write(dev->net, dev->mii.phy_id, PHY_INT_MASK, |
| 685 | PHY_INT_MASK_DEFAULT); |
| 686 | mii_nway_restart(&dev->mii); |
| 687 | |
| 688 | netif_dbg(dev, ifup, dev->net, "phy initialised successfully"); |
| 689 | return 0; |
| 690 | } |
| 691 | |
| 692 | static int smsc75xx_set_rx_max_frame_length(struct usbnet *dev, int size) |
| 693 | { |
| 694 | int ret = 0; |
| 695 | u32 buf; |
| 696 | bool rxenabled; |
| 697 | |
| 698 | ret = smsc75xx_read_reg(dev, MAC_RX, &buf); |
| 699 | check_warn_return(ret, "Failed to read MAC_RX: %d", ret); |
| 700 | |
| 701 | rxenabled = ((buf & MAC_RX_RXEN) != 0); |
| 702 | |
| 703 | if (rxenabled) { |
| 704 | buf &= ~MAC_RX_RXEN; |
| 705 | ret = smsc75xx_write_reg(dev, MAC_RX, buf); |
| 706 | check_warn_return(ret, "Failed to write MAC_RX: %d", ret); |
| 707 | } |
| 708 | |
| 709 | /* add 4 to size for FCS */ |
| 710 | buf &= ~MAC_RX_MAX_SIZE; |
| 711 | buf |= (((size + 4) << MAC_RX_MAX_SIZE_SHIFT) & MAC_RX_MAX_SIZE); |
| 712 | |
| 713 | ret = smsc75xx_write_reg(dev, MAC_RX, buf); |
| 714 | check_warn_return(ret, "Failed to write MAC_RX: %d", ret); |
| 715 | |
| 716 | if (rxenabled) { |
| 717 | buf |= MAC_RX_RXEN; |
| 718 | ret = smsc75xx_write_reg(dev, MAC_RX, buf); |
| 719 | check_warn_return(ret, "Failed to write MAC_RX: %d", ret); |
| 720 | } |
| 721 | |
| 722 | return 0; |
| 723 | } |
| 724 | |
| 725 | static int smsc75xx_change_mtu(struct net_device *netdev, int new_mtu) |
| 726 | { |
| 727 | struct usbnet *dev = netdev_priv(netdev); |
| 728 | |
| 729 | int ret = smsc75xx_set_rx_max_frame_length(dev, new_mtu); |
| 730 | check_warn_return(ret, "Failed to set mac rx frame length"); |
| 731 | |
| 732 | return usbnet_change_mtu(netdev, new_mtu); |
| 733 | } |
| 734 | |
Michał Mirosław | 78e47fe | 2011-04-01 20:56:23 -0700 | [diff] [blame] | 735 | /* Enable or disable Rx checksum offload engine */ |
Michał Mirosław | c8f44af | 2011-11-15 15:29:55 +0000 | [diff] [blame] | 736 | static int smsc75xx_set_features(struct net_device *netdev, |
| 737 | netdev_features_t features) |
Michał Mirosław | 78e47fe | 2011-04-01 20:56:23 -0700 | [diff] [blame] | 738 | { |
| 739 | struct usbnet *dev = netdev_priv(netdev); |
| 740 | struct smsc75xx_priv *pdata = (struct smsc75xx_priv *)(dev->data[0]); |
| 741 | unsigned long flags; |
| 742 | int ret; |
| 743 | |
| 744 | spin_lock_irqsave(&pdata->rfe_ctl_lock, flags); |
| 745 | |
| 746 | if (features & NETIF_F_RXCSUM) |
| 747 | pdata->rfe_ctl |= RFE_CTL_TCPUDP_CKM | RFE_CTL_IP_CKM; |
| 748 | else |
| 749 | pdata->rfe_ctl &= ~(RFE_CTL_TCPUDP_CKM | RFE_CTL_IP_CKM); |
| 750 | |
| 751 | spin_unlock_irqrestore(&pdata->rfe_ctl_lock, flags); |
| 752 | /* it's racing here! */ |
| 753 | |
| 754 | ret = smsc75xx_write_reg(dev, RFE_CTL, pdata->rfe_ctl); |
| 755 | check_warn_return(ret, "Error writing RFE_CTL"); |
| 756 | |
| 757 | return 0; |
| 758 | } |
| 759 | |
Steve Glendinning | d0cad87 | 2010-03-16 08:46:46 +0000 | [diff] [blame] | 760 | static int smsc75xx_reset(struct usbnet *dev) |
| 761 | { |
| 762 | struct smsc75xx_priv *pdata = (struct smsc75xx_priv *)(dev->data[0]); |
| 763 | u32 buf; |
| 764 | int ret = 0, timeout; |
| 765 | |
| 766 | netif_dbg(dev, ifup, dev->net, "entering smsc75xx_reset"); |
| 767 | |
| 768 | ret = smsc75xx_read_reg(dev, HW_CFG, &buf); |
| 769 | check_warn_return(ret, "Failed to read HW_CFG: %d", ret); |
| 770 | |
| 771 | buf |= HW_CFG_LRST; |
| 772 | |
| 773 | ret = smsc75xx_write_reg(dev, HW_CFG, buf); |
| 774 | check_warn_return(ret, "Failed to write HW_CFG: %d", ret); |
| 775 | |
| 776 | timeout = 0; |
| 777 | do { |
| 778 | msleep(10); |
| 779 | ret = smsc75xx_read_reg(dev, HW_CFG, &buf); |
| 780 | check_warn_return(ret, "Failed to read HW_CFG: %d", ret); |
| 781 | timeout++; |
| 782 | } while ((buf & HW_CFG_LRST) && (timeout < 100)); |
| 783 | |
| 784 | if (timeout >= 100) { |
| 785 | netdev_warn(dev->net, "timeout on completion of Lite Reset"); |
| 786 | return -EIO; |
| 787 | } |
| 788 | |
| 789 | netif_dbg(dev, ifup, dev->net, "Lite reset complete, resetting PHY"); |
| 790 | |
| 791 | ret = smsc75xx_read_reg(dev, PMT_CTL, &buf); |
| 792 | check_warn_return(ret, "Failed to read PMT_CTL: %d", ret); |
| 793 | |
| 794 | buf |= PMT_CTL_PHY_RST; |
| 795 | |
| 796 | ret = smsc75xx_write_reg(dev, PMT_CTL, buf); |
| 797 | check_warn_return(ret, "Failed to write PMT_CTL: %d", ret); |
| 798 | |
| 799 | timeout = 0; |
| 800 | do { |
| 801 | msleep(10); |
| 802 | ret = smsc75xx_read_reg(dev, PMT_CTL, &buf); |
| 803 | check_warn_return(ret, "Failed to read PMT_CTL: %d", ret); |
| 804 | timeout++; |
| 805 | } while ((buf & PMT_CTL_PHY_RST) && (timeout < 100)); |
| 806 | |
| 807 | if (timeout >= 100) { |
| 808 | netdev_warn(dev->net, "timeout waiting for PHY Reset"); |
| 809 | return -EIO; |
| 810 | } |
| 811 | |
| 812 | netif_dbg(dev, ifup, dev->net, "PHY reset complete"); |
| 813 | |
| 814 | smsc75xx_init_mac_address(dev); |
| 815 | |
| 816 | ret = smsc75xx_set_mac_address(dev); |
| 817 | check_warn_return(ret, "Failed to set mac address"); |
| 818 | |
| 819 | netif_dbg(dev, ifup, dev->net, "MAC Address: %pM", dev->net->dev_addr); |
| 820 | |
| 821 | ret = smsc75xx_read_reg(dev, HW_CFG, &buf); |
| 822 | check_warn_return(ret, "Failed to read HW_CFG: %d", ret); |
| 823 | |
| 824 | netif_dbg(dev, ifup, dev->net, "Read Value from HW_CFG : 0x%08x", buf); |
| 825 | |
| 826 | buf |= HW_CFG_BIR; |
| 827 | |
| 828 | ret = smsc75xx_write_reg(dev, HW_CFG, buf); |
| 829 | check_warn_return(ret, "Failed to write HW_CFG: %d", ret); |
| 830 | |
| 831 | ret = smsc75xx_read_reg(dev, HW_CFG, &buf); |
| 832 | check_warn_return(ret, "Failed to read HW_CFG: %d", ret); |
| 833 | |
| 834 | netif_dbg(dev, ifup, dev->net, "Read Value from HW_CFG after " |
| 835 | "writing HW_CFG_BIR: 0x%08x", buf); |
| 836 | |
| 837 | if (!turbo_mode) { |
| 838 | buf = 0; |
| 839 | dev->rx_urb_size = MAX_SINGLE_PACKET_SIZE; |
| 840 | } else if (dev->udev->speed == USB_SPEED_HIGH) { |
| 841 | buf = DEFAULT_HS_BURST_CAP_SIZE / HS_USB_PKT_SIZE; |
| 842 | dev->rx_urb_size = DEFAULT_HS_BURST_CAP_SIZE; |
| 843 | } else { |
| 844 | buf = DEFAULT_FS_BURST_CAP_SIZE / FS_USB_PKT_SIZE; |
| 845 | dev->rx_urb_size = DEFAULT_FS_BURST_CAP_SIZE; |
| 846 | } |
| 847 | |
| 848 | netif_dbg(dev, ifup, dev->net, "rx_urb_size=%ld", |
| 849 | (ulong)dev->rx_urb_size); |
| 850 | |
| 851 | ret = smsc75xx_write_reg(dev, BURST_CAP, buf); |
| 852 | check_warn_return(ret, "Failed to write BURST_CAP: %d", ret); |
| 853 | |
| 854 | ret = smsc75xx_read_reg(dev, BURST_CAP, &buf); |
| 855 | check_warn_return(ret, "Failed to read BURST_CAP: %d", ret); |
| 856 | |
| 857 | netif_dbg(dev, ifup, dev->net, |
| 858 | "Read Value from BURST_CAP after writing: 0x%08x", buf); |
| 859 | |
| 860 | ret = smsc75xx_write_reg(dev, BULK_IN_DLY, DEFAULT_BULK_IN_DELAY); |
| 861 | check_warn_return(ret, "Failed to write BULK_IN_DLY: %d", ret); |
| 862 | |
| 863 | ret = smsc75xx_read_reg(dev, BULK_IN_DLY, &buf); |
| 864 | check_warn_return(ret, "Failed to read BULK_IN_DLY: %d", ret); |
| 865 | |
| 866 | netif_dbg(dev, ifup, dev->net, |
| 867 | "Read Value from BULK_IN_DLY after writing: 0x%08x", buf); |
| 868 | |
| 869 | if (turbo_mode) { |
| 870 | ret = smsc75xx_read_reg(dev, HW_CFG, &buf); |
| 871 | check_warn_return(ret, "Failed to read HW_CFG: %d", ret); |
| 872 | |
| 873 | netif_dbg(dev, ifup, dev->net, "HW_CFG: 0x%08x", buf); |
| 874 | |
| 875 | buf |= (HW_CFG_MEF | HW_CFG_BCE); |
| 876 | |
| 877 | ret = smsc75xx_write_reg(dev, HW_CFG, buf); |
| 878 | check_warn_return(ret, "Failed to write HW_CFG: %d", ret); |
| 879 | |
| 880 | ret = smsc75xx_read_reg(dev, HW_CFG, &buf); |
| 881 | check_warn_return(ret, "Failed to read HW_CFG: %d", ret); |
| 882 | |
| 883 | netif_dbg(dev, ifup, dev->net, "HW_CFG: 0x%08x", buf); |
| 884 | } |
| 885 | |
| 886 | /* set FIFO sizes */ |
| 887 | buf = (MAX_RX_FIFO_SIZE - 512) / 512; |
| 888 | ret = smsc75xx_write_reg(dev, FCT_RX_FIFO_END, buf); |
| 889 | check_warn_return(ret, "Failed to write FCT_RX_FIFO_END: %d", ret); |
| 890 | |
| 891 | netif_dbg(dev, ifup, dev->net, "FCT_RX_FIFO_END set to 0x%08x", buf); |
| 892 | |
| 893 | buf = (MAX_TX_FIFO_SIZE - 512) / 512; |
| 894 | ret = smsc75xx_write_reg(dev, FCT_TX_FIFO_END, buf); |
| 895 | check_warn_return(ret, "Failed to write FCT_TX_FIFO_END: %d", ret); |
| 896 | |
| 897 | netif_dbg(dev, ifup, dev->net, "FCT_TX_FIFO_END set to 0x%08x", buf); |
| 898 | |
| 899 | ret = smsc75xx_write_reg(dev, INT_STS, INT_STS_CLEAR_ALL); |
| 900 | check_warn_return(ret, "Failed to write INT_STS: %d", ret); |
| 901 | |
| 902 | ret = smsc75xx_read_reg(dev, ID_REV, &buf); |
| 903 | check_warn_return(ret, "Failed to read ID_REV: %d", ret); |
| 904 | |
| 905 | netif_dbg(dev, ifup, dev->net, "ID_REV = 0x%08x", buf); |
| 906 | |
| 907 | /* Configure GPIO pins as LED outputs */ |
| 908 | ret = smsc75xx_read_reg(dev, LED_GPIO_CFG, &buf); |
| 909 | check_warn_return(ret, "Failed to read LED_GPIO_CFG: %d", ret); |
| 910 | |
| 911 | buf &= ~(LED_GPIO_CFG_LED2_FUN_SEL | LED_GPIO_CFG_LED10_FUN_SEL); |
| 912 | buf |= LED_GPIO_CFG_LEDGPIO_EN | LED_GPIO_CFG_LED2_FUN_SEL; |
| 913 | |
| 914 | ret = smsc75xx_write_reg(dev, LED_GPIO_CFG, buf); |
| 915 | check_warn_return(ret, "Failed to write LED_GPIO_CFG: %d", ret); |
| 916 | |
| 917 | ret = smsc75xx_write_reg(dev, FLOW, 0); |
| 918 | check_warn_return(ret, "Failed to write FLOW: %d", ret); |
| 919 | |
| 920 | ret = smsc75xx_write_reg(dev, FCT_FLOW, 0); |
| 921 | check_warn_return(ret, "Failed to write FCT_FLOW: %d", ret); |
| 922 | |
| 923 | /* Don't need rfe_ctl_lock during initialisation */ |
| 924 | ret = smsc75xx_read_reg(dev, RFE_CTL, &pdata->rfe_ctl); |
| 925 | check_warn_return(ret, "Failed to read RFE_CTL: %d", ret); |
| 926 | |
| 927 | pdata->rfe_ctl |= RFE_CTL_AB | RFE_CTL_DPF; |
| 928 | |
| 929 | ret = smsc75xx_write_reg(dev, RFE_CTL, pdata->rfe_ctl); |
| 930 | check_warn_return(ret, "Failed to write RFE_CTL: %d", ret); |
| 931 | |
| 932 | ret = smsc75xx_read_reg(dev, RFE_CTL, &pdata->rfe_ctl); |
| 933 | check_warn_return(ret, "Failed to read RFE_CTL: %d", ret); |
| 934 | |
| 935 | netif_dbg(dev, ifup, dev->net, "RFE_CTL set to 0x%08x", pdata->rfe_ctl); |
| 936 | |
| 937 | /* Enable or disable checksum offload engines */ |
Michał Mirosław | 78e47fe | 2011-04-01 20:56:23 -0700 | [diff] [blame] | 938 | smsc75xx_set_features(dev->net, dev->net->features); |
Steve Glendinning | d0cad87 | 2010-03-16 08:46:46 +0000 | [diff] [blame] | 939 | |
| 940 | smsc75xx_set_multicast(dev->net); |
| 941 | |
| 942 | ret = smsc75xx_phy_initialize(dev); |
| 943 | check_warn_return(ret, "Failed to initialize PHY: %d", ret); |
| 944 | |
| 945 | ret = smsc75xx_read_reg(dev, INT_EP_CTL, &buf); |
| 946 | check_warn_return(ret, "Failed to read INT_EP_CTL: %d", ret); |
| 947 | |
| 948 | /* enable PHY interrupts */ |
| 949 | buf |= INT_ENP_PHY_INT; |
| 950 | |
| 951 | ret = smsc75xx_write_reg(dev, INT_EP_CTL, buf); |
| 952 | check_warn_return(ret, "Failed to write INT_EP_CTL: %d", ret); |
| 953 | |
Steve Glendinning | 2f3a081 | 2012-04-30 07:56:56 +0000 | [diff] [blame] | 954 | /* allow mac to detect speed and duplex from phy */ |
| 955 | ret = smsc75xx_read_reg(dev, MAC_CR, &buf); |
| 956 | check_warn_return(ret, "Failed to read MAC_CR: %d", ret); |
| 957 | |
| 958 | buf |= (MAC_CR_ADD | MAC_CR_ASD); |
| 959 | ret = smsc75xx_write_reg(dev, MAC_CR, buf); |
| 960 | check_warn_return(ret, "Failed to write MAC_CR: %d", ret); |
| 961 | |
Steve Glendinning | d0cad87 | 2010-03-16 08:46:46 +0000 | [diff] [blame] | 962 | ret = smsc75xx_read_reg(dev, MAC_TX, &buf); |
| 963 | check_warn_return(ret, "Failed to read MAC_TX: %d", ret); |
| 964 | |
| 965 | buf |= MAC_TX_TXEN; |
| 966 | |
| 967 | ret = smsc75xx_write_reg(dev, MAC_TX, buf); |
| 968 | check_warn_return(ret, "Failed to write MAC_TX: %d", ret); |
| 969 | |
| 970 | netif_dbg(dev, ifup, dev->net, "MAC_TX set to 0x%08x", buf); |
| 971 | |
| 972 | ret = smsc75xx_read_reg(dev, FCT_TX_CTL, &buf); |
| 973 | check_warn_return(ret, "Failed to read FCT_TX_CTL: %d", ret); |
| 974 | |
| 975 | buf |= FCT_TX_CTL_EN; |
| 976 | |
| 977 | ret = smsc75xx_write_reg(dev, FCT_TX_CTL, buf); |
| 978 | check_warn_return(ret, "Failed to write FCT_TX_CTL: %d", ret); |
| 979 | |
| 980 | netif_dbg(dev, ifup, dev->net, "FCT_TX_CTL set to 0x%08x", buf); |
| 981 | |
| 982 | ret = smsc75xx_set_rx_max_frame_length(dev, 1514); |
| 983 | check_warn_return(ret, "Failed to set max rx frame length"); |
| 984 | |
| 985 | ret = smsc75xx_read_reg(dev, MAC_RX, &buf); |
| 986 | check_warn_return(ret, "Failed to read MAC_RX: %d", ret); |
| 987 | |
| 988 | buf |= MAC_RX_RXEN; |
| 989 | |
| 990 | ret = smsc75xx_write_reg(dev, MAC_RX, buf); |
| 991 | check_warn_return(ret, "Failed to write MAC_RX: %d", ret); |
| 992 | |
| 993 | netif_dbg(dev, ifup, dev->net, "MAC_RX set to 0x%08x", buf); |
| 994 | |
| 995 | ret = smsc75xx_read_reg(dev, FCT_RX_CTL, &buf); |
| 996 | check_warn_return(ret, "Failed to read FCT_RX_CTL: %d", ret); |
| 997 | |
| 998 | buf |= FCT_RX_CTL_EN; |
| 999 | |
| 1000 | ret = smsc75xx_write_reg(dev, FCT_RX_CTL, buf); |
| 1001 | check_warn_return(ret, "Failed to write FCT_RX_CTL: %d", ret); |
| 1002 | |
| 1003 | netif_dbg(dev, ifup, dev->net, "FCT_RX_CTL set to 0x%08x", buf); |
| 1004 | |
| 1005 | netif_dbg(dev, ifup, dev->net, "smsc75xx_reset, return 0"); |
| 1006 | return 0; |
| 1007 | } |
| 1008 | |
| 1009 | static const struct net_device_ops smsc75xx_netdev_ops = { |
| 1010 | .ndo_open = usbnet_open, |
| 1011 | .ndo_stop = usbnet_stop, |
| 1012 | .ndo_start_xmit = usbnet_start_xmit, |
| 1013 | .ndo_tx_timeout = usbnet_tx_timeout, |
| 1014 | .ndo_change_mtu = smsc75xx_change_mtu, |
| 1015 | .ndo_set_mac_address = eth_mac_addr, |
| 1016 | .ndo_validate_addr = eth_validate_addr, |
| 1017 | .ndo_do_ioctl = smsc75xx_ioctl, |
Jiri Pirko | afc4b13 | 2011-08-16 06:29:01 +0000 | [diff] [blame] | 1018 | .ndo_set_rx_mode = smsc75xx_set_multicast, |
Michał Mirosław | 78e47fe | 2011-04-01 20:56:23 -0700 | [diff] [blame] | 1019 | .ndo_set_features = smsc75xx_set_features, |
Steve Glendinning | d0cad87 | 2010-03-16 08:46:46 +0000 | [diff] [blame] | 1020 | }; |
| 1021 | |
| 1022 | static int smsc75xx_bind(struct usbnet *dev, struct usb_interface *intf) |
| 1023 | { |
| 1024 | struct smsc75xx_priv *pdata = NULL; |
| 1025 | int ret; |
| 1026 | |
| 1027 | printk(KERN_INFO SMSC_CHIPNAME " v" SMSC_DRIVER_VERSION "\n"); |
| 1028 | |
| 1029 | ret = usbnet_get_endpoints(dev, intf); |
| 1030 | check_warn_return(ret, "usbnet_get_endpoints failed: %d", ret); |
| 1031 | |
| 1032 | dev->data[0] = (unsigned long)kzalloc(sizeof(struct smsc75xx_priv), |
| 1033 | GFP_KERNEL); |
| 1034 | |
| 1035 | pdata = (struct smsc75xx_priv *)(dev->data[0]); |
| 1036 | if (!pdata) { |
| 1037 | netdev_warn(dev->net, "Unable to allocate smsc75xx_priv"); |
| 1038 | return -ENOMEM; |
| 1039 | } |
| 1040 | |
| 1041 | pdata->dev = dev; |
| 1042 | |
| 1043 | spin_lock_init(&pdata->rfe_ctl_lock); |
| 1044 | mutex_init(&pdata->dataport_mutex); |
| 1045 | |
| 1046 | INIT_WORK(&pdata->set_multicast, smsc75xx_deferred_multicast_write); |
| 1047 | |
Michał Mirosław | 78e47fe | 2011-04-01 20:56:23 -0700 | [diff] [blame] | 1048 | if (DEFAULT_TX_CSUM_ENABLE) { |
| 1049 | dev->net->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM; |
| 1050 | if (DEFAULT_TSO_ENABLE) |
| 1051 | dev->net->features |= NETIF_F_SG | |
| 1052 | NETIF_F_TSO | NETIF_F_TSO6; |
| 1053 | } |
| 1054 | if (DEFAULT_RX_CSUM_ENABLE) |
| 1055 | dev->net->features |= NETIF_F_RXCSUM; |
Steve Glendinning | d0cad87 | 2010-03-16 08:46:46 +0000 | [diff] [blame] | 1056 | |
Michał Mirosław | 78e47fe | 2011-04-01 20:56:23 -0700 | [diff] [blame] | 1057 | dev->net->hw_features = NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | |
| 1058 | NETIF_F_SG | NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_RXCSUM; |
Steve Glendinning | d0cad87 | 2010-03-16 08:46:46 +0000 | [diff] [blame] | 1059 | |
| 1060 | /* Init all registers */ |
| 1061 | ret = smsc75xx_reset(dev); |
| 1062 | |
| 1063 | dev->net->netdev_ops = &smsc75xx_netdev_ops; |
| 1064 | dev->net->ethtool_ops = &smsc75xx_ethtool_ops; |
| 1065 | dev->net->flags |= IFF_MULTICAST; |
| 1066 | dev->net->hard_header_len += SMSC75XX_TX_OVERHEAD; |
Stephane Fillod | a99ff7d | 2012-04-15 11:38:29 +0000 | [diff] [blame] | 1067 | dev->hard_mtu = dev->net->mtu + dev->net->hard_header_len; |
Steve Glendinning | d0cad87 | 2010-03-16 08:46:46 +0000 | [diff] [blame] | 1068 | return 0; |
| 1069 | } |
| 1070 | |
| 1071 | static void smsc75xx_unbind(struct usbnet *dev, struct usb_interface *intf) |
| 1072 | { |
| 1073 | struct smsc75xx_priv *pdata = (struct smsc75xx_priv *)(dev->data[0]); |
| 1074 | if (pdata) { |
| 1075 | netif_dbg(dev, ifdown, dev->net, "free pdata"); |
| 1076 | kfree(pdata); |
| 1077 | pdata = NULL; |
| 1078 | dev->data[0] = 0; |
| 1079 | } |
| 1080 | } |
| 1081 | |
Michał Mirosław | 78e47fe | 2011-04-01 20:56:23 -0700 | [diff] [blame] | 1082 | static void smsc75xx_rx_csum_offload(struct usbnet *dev, struct sk_buff *skb, |
| 1083 | u32 rx_cmd_a, u32 rx_cmd_b) |
Steve Glendinning | d0cad87 | 2010-03-16 08:46:46 +0000 | [diff] [blame] | 1084 | { |
Michał Mirosław | 78e47fe | 2011-04-01 20:56:23 -0700 | [diff] [blame] | 1085 | if (!(dev->net->features & NETIF_F_RXCSUM) || |
| 1086 | unlikely(rx_cmd_a & RX_CMD_A_LCSM)) { |
Steve Glendinning | d0cad87 | 2010-03-16 08:46:46 +0000 | [diff] [blame] | 1087 | skb->ip_summed = CHECKSUM_NONE; |
| 1088 | } else { |
| 1089 | skb->csum = ntohs((u16)(rx_cmd_b >> RX_CMD_B_CSUM_SHIFT)); |
| 1090 | skb->ip_summed = CHECKSUM_COMPLETE; |
| 1091 | } |
| 1092 | } |
| 1093 | |
| 1094 | static int smsc75xx_rx_fixup(struct usbnet *dev, struct sk_buff *skb) |
| 1095 | { |
Steve Glendinning | d0cad87 | 2010-03-16 08:46:46 +0000 | [diff] [blame] | 1096 | while (skb->len > 0) { |
| 1097 | u32 rx_cmd_a, rx_cmd_b, align_count, size; |
| 1098 | struct sk_buff *ax_skb; |
| 1099 | unsigned char *packet; |
| 1100 | |
| 1101 | memcpy(&rx_cmd_a, skb->data, sizeof(rx_cmd_a)); |
| 1102 | le32_to_cpus(&rx_cmd_a); |
| 1103 | skb_pull(skb, 4); |
| 1104 | |
| 1105 | memcpy(&rx_cmd_b, skb->data, sizeof(rx_cmd_b)); |
| 1106 | le32_to_cpus(&rx_cmd_b); |
Nico Erfurth | ea1649d | 2011-11-08 07:30:40 +0000 | [diff] [blame] | 1107 | skb_pull(skb, 4 + RXW_PADDING); |
Steve Glendinning | d0cad87 | 2010-03-16 08:46:46 +0000 | [diff] [blame] | 1108 | |
| 1109 | packet = skb->data; |
| 1110 | |
| 1111 | /* get the packet length */ |
Nico Erfurth | ea1649d | 2011-11-08 07:30:40 +0000 | [diff] [blame] | 1112 | size = (rx_cmd_a & RX_CMD_A_LEN) - RXW_PADDING; |
| 1113 | align_count = (4 - ((size + RXW_PADDING) % 4)) % 4; |
Steve Glendinning | d0cad87 | 2010-03-16 08:46:46 +0000 | [diff] [blame] | 1114 | |
| 1115 | if (unlikely(rx_cmd_a & RX_CMD_A_RED)) { |
| 1116 | netif_dbg(dev, rx_err, dev->net, |
| 1117 | "Error rx_cmd_a=0x%08x", rx_cmd_a); |
| 1118 | dev->net->stats.rx_errors++; |
| 1119 | dev->net->stats.rx_dropped++; |
| 1120 | |
| 1121 | if (rx_cmd_a & RX_CMD_A_FCS) |
| 1122 | dev->net->stats.rx_crc_errors++; |
| 1123 | else if (rx_cmd_a & (RX_CMD_A_LONG | RX_CMD_A_RUNT)) |
| 1124 | dev->net->stats.rx_frame_errors++; |
| 1125 | } else { |
| 1126 | /* ETH_FRAME_LEN + 4(CRC) + 2(COE) + 4(Vlan) */ |
| 1127 | if (unlikely(size > (ETH_FRAME_LEN + 12))) { |
| 1128 | netif_dbg(dev, rx_err, dev->net, |
| 1129 | "size err rx_cmd_a=0x%08x", rx_cmd_a); |
| 1130 | return 0; |
| 1131 | } |
| 1132 | |
| 1133 | /* last frame in this batch */ |
| 1134 | if (skb->len == size) { |
Michał Mirosław | 78e47fe | 2011-04-01 20:56:23 -0700 | [diff] [blame] | 1135 | smsc75xx_rx_csum_offload(dev, skb, rx_cmd_a, |
| 1136 | rx_cmd_b); |
Steve Glendinning | d0cad87 | 2010-03-16 08:46:46 +0000 | [diff] [blame] | 1137 | |
| 1138 | skb_trim(skb, skb->len - 4); /* remove fcs */ |
| 1139 | skb->truesize = size + sizeof(struct sk_buff); |
| 1140 | |
| 1141 | return 1; |
| 1142 | } |
| 1143 | |
| 1144 | ax_skb = skb_clone(skb, GFP_ATOMIC); |
| 1145 | if (unlikely(!ax_skb)) { |
| 1146 | netdev_warn(dev->net, "Error allocating skb"); |
| 1147 | return 0; |
| 1148 | } |
| 1149 | |
| 1150 | ax_skb->len = size; |
| 1151 | ax_skb->data = packet; |
| 1152 | skb_set_tail_pointer(ax_skb, size); |
| 1153 | |
Michał Mirosław | 78e47fe | 2011-04-01 20:56:23 -0700 | [diff] [blame] | 1154 | smsc75xx_rx_csum_offload(dev, ax_skb, rx_cmd_a, |
| 1155 | rx_cmd_b); |
Steve Glendinning | d0cad87 | 2010-03-16 08:46:46 +0000 | [diff] [blame] | 1156 | |
| 1157 | skb_trim(ax_skb, ax_skb->len - 4); /* remove fcs */ |
| 1158 | ax_skb->truesize = size + sizeof(struct sk_buff); |
| 1159 | |
| 1160 | usbnet_skb_return(dev, ax_skb); |
| 1161 | } |
| 1162 | |
| 1163 | skb_pull(skb, size); |
| 1164 | |
| 1165 | /* padding bytes before the next frame starts */ |
| 1166 | if (skb->len) |
| 1167 | skb_pull(skb, align_count); |
| 1168 | } |
| 1169 | |
| 1170 | if (unlikely(skb->len < 0)) { |
| 1171 | netdev_warn(dev->net, "invalid rx length<0 %d", skb->len); |
| 1172 | return 0; |
| 1173 | } |
| 1174 | |
| 1175 | return 1; |
| 1176 | } |
| 1177 | |
| 1178 | static struct sk_buff *smsc75xx_tx_fixup(struct usbnet *dev, |
| 1179 | struct sk_buff *skb, gfp_t flags) |
| 1180 | { |
| 1181 | u32 tx_cmd_a, tx_cmd_b; |
| 1182 | |
| 1183 | skb_linearize(skb); |
| 1184 | |
| 1185 | if (skb_headroom(skb) < SMSC75XX_TX_OVERHEAD) { |
| 1186 | struct sk_buff *skb2 = |
| 1187 | skb_copy_expand(skb, SMSC75XX_TX_OVERHEAD, 0, flags); |
| 1188 | dev_kfree_skb_any(skb); |
| 1189 | skb = skb2; |
| 1190 | if (!skb) |
| 1191 | return NULL; |
| 1192 | } |
| 1193 | |
| 1194 | tx_cmd_a = (u32)(skb->len & TX_CMD_A_LEN) | TX_CMD_A_FCS; |
| 1195 | |
| 1196 | if (skb->ip_summed == CHECKSUM_PARTIAL) |
| 1197 | tx_cmd_a |= TX_CMD_A_IPE | TX_CMD_A_TPE; |
| 1198 | |
| 1199 | if (skb_is_gso(skb)) { |
| 1200 | u16 mss = max(skb_shinfo(skb)->gso_size, TX_MSS_MIN); |
| 1201 | tx_cmd_b = (mss << TX_CMD_B_MSS_SHIFT) & TX_CMD_B_MSS; |
| 1202 | |
| 1203 | tx_cmd_a |= TX_CMD_A_LSO; |
| 1204 | } else { |
| 1205 | tx_cmd_b = 0; |
| 1206 | } |
| 1207 | |
| 1208 | skb_push(skb, 4); |
| 1209 | cpu_to_le32s(&tx_cmd_b); |
| 1210 | memcpy(skb->data, &tx_cmd_b, 4); |
| 1211 | |
| 1212 | skb_push(skb, 4); |
| 1213 | cpu_to_le32s(&tx_cmd_a); |
| 1214 | memcpy(skb->data, &tx_cmd_a, 4); |
| 1215 | |
| 1216 | return skb; |
| 1217 | } |
| 1218 | |
| 1219 | static const struct driver_info smsc75xx_info = { |
| 1220 | .description = "smsc75xx USB 2.0 Gigabit Ethernet", |
| 1221 | .bind = smsc75xx_bind, |
| 1222 | .unbind = smsc75xx_unbind, |
| 1223 | .link_reset = smsc75xx_link_reset, |
| 1224 | .reset = smsc75xx_reset, |
| 1225 | .rx_fixup = smsc75xx_rx_fixup, |
| 1226 | .tx_fixup = smsc75xx_tx_fixup, |
| 1227 | .status = smsc75xx_status, |
Steve Glendinning | 7bdd305 | 2012-04-30 07:56:50 +0000 | [diff] [blame] | 1228 | .flags = FLAG_ETHER | FLAG_SEND_ZLP | FLAG_LINK_INTR, |
Steve Glendinning | d0cad87 | 2010-03-16 08:46:46 +0000 | [diff] [blame] | 1229 | }; |
| 1230 | |
| 1231 | static const struct usb_device_id products[] = { |
| 1232 | { |
| 1233 | /* SMSC7500 USB Gigabit Ethernet Device */ |
| 1234 | USB_DEVICE(USB_VENDOR_ID_SMSC, USB_PRODUCT_ID_LAN7500), |
| 1235 | .driver_info = (unsigned long) &smsc75xx_info, |
| 1236 | }, |
| 1237 | { |
| 1238 | /* SMSC7500 USB Gigabit Ethernet Device */ |
| 1239 | USB_DEVICE(USB_VENDOR_ID_SMSC, USB_PRODUCT_ID_LAN7505), |
| 1240 | .driver_info = (unsigned long) &smsc75xx_info, |
| 1241 | }, |
| 1242 | { }, /* END */ |
| 1243 | }; |
| 1244 | MODULE_DEVICE_TABLE(usb, products); |
| 1245 | |
| 1246 | static struct usb_driver smsc75xx_driver = { |
| 1247 | .name = SMSC_CHIPNAME, |
| 1248 | .id_table = products, |
| 1249 | .probe = usbnet_probe, |
| 1250 | .suspend = usbnet_suspend, |
| 1251 | .resume = usbnet_resume, |
| 1252 | .disconnect = usbnet_disconnect, |
| 1253 | }; |
| 1254 | |
Greg Kroah-Hartman | d632eb1 | 2011-11-18 09:44:20 -0800 | [diff] [blame] | 1255 | module_usb_driver(smsc75xx_driver); |
Steve Glendinning | d0cad87 | 2010-03-16 08:46:46 +0000 | [diff] [blame] | 1256 | |
| 1257 | MODULE_AUTHOR("Nancy Lin"); |
| 1258 | MODULE_AUTHOR("Steve Glendinning <steve.glendinning@smsc.com>"); |
| 1259 | MODULE_DESCRIPTION("SMSC75XX USB 2.0 Gigabit Ethernet Devices"); |
| 1260 | MODULE_LICENSE("GPL"); |