smsc95xx.c revision 5a0e3ad6af8660be21ca98a971cd00f331318c05
1 /*************************************************************************** 2 * 3 * Copyright (C) 2007-2008 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> 31#include <linux/slab.h> 32#include "smsc95xx.h" 33 34#define SMSC_CHIPNAME "smsc95xx" 35#define SMSC_DRIVER_VERSION "1.0.4" 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 (2048) 42#define LAN95XX_EEPROM_MAGIC (0x9500) 43#define EEPROM_MAC_OFFSET (0x01) 44#define DEFAULT_TX_CSUM_ENABLE (true) 45#define DEFAULT_RX_CSUM_ENABLE (true) 46#define SMSC95XX_INTERNAL_PHY_ID (1) 47#define SMSC95XX_TX_OVERHEAD (8) 48#define SMSC95XX_TX_OVERHEAD_CSUM (12) 49 50struct smsc95xx_priv { 51 u32 mac_cr; 52 spinlock_t mac_cr_lock; 53 bool use_tx_csum; 54 bool use_rx_csum; 55}; 56 57struct usb_context { 58 struct usb_ctrlrequest req; 59 struct usbnet *dev; 60}; 61 62static int turbo_mode = true; 63module_param(turbo_mode, bool, 0644); 64MODULE_PARM_DESC(turbo_mode, "Enable multiple frames per Rx transaction"); 65 66static int smsc95xx_read_reg(struct usbnet *dev, u32 index, u32 *data) 67{ 68 u32 *buf = kmalloc(4, GFP_KERNEL); 69 int ret; 70 71 BUG_ON(!dev); 72 73 if (!buf) 74 return -ENOMEM; 75 76 ret = usb_control_msg(dev->udev, usb_rcvctrlpipe(dev->udev, 0), 77 USB_VENDOR_REQUEST_READ_REGISTER, 78 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 79 00, index, buf, 4, USB_CTRL_GET_TIMEOUT); 80 81 if (unlikely(ret < 0)) 82 netdev_warn(dev->net, "Failed to read register index 0x%08x\n", index); 83 84 le32_to_cpus(buf); 85 *data = *buf; 86 kfree(buf); 87 88 return ret; 89} 90 91static int smsc95xx_write_reg(struct usbnet *dev, u32 index, u32 data) 92{ 93 u32 *buf = kmalloc(4, GFP_KERNEL); 94 int ret; 95 96 BUG_ON(!dev); 97 98 if (!buf) 99 return -ENOMEM; 100 101 *buf = data; 102 cpu_to_le32s(buf); 103 104 ret = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0), 105 USB_VENDOR_REQUEST_WRITE_REGISTER, 106 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 107 00, index, buf, 4, USB_CTRL_SET_TIMEOUT); 108 109 if (unlikely(ret < 0)) 110 netdev_warn(dev->net, "Failed to write register index 0x%08x\n", index); 111 112 kfree(buf); 113 114 return ret; 115} 116 117/* Loop until the read is completed with timeout 118 * called with phy_mutex held */ 119static int smsc95xx_phy_wait_not_busy(struct usbnet *dev) 120{ 121 unsigned long start_time = jiffies; 122 u32 val; 123 124 do { 125 smsc95xx_read_reg(dev, MII_ADDR, &val); 126 if (!(val & MII_BUSY_)) 127 return 0; 128 } while (!time_after(jiffies, start_time + HZ)); 129 130 return -EIO; 131} 132 133static int smsc95xx_mdio_read(struct net_device *netdev, int phy_id, int idx) 134{ 135 struct usbnet *dev = netdev_priv(netdev); 136 u32 val, addr; 137 138 mutex_lock(&dev->phy_mutex); 139 140 /* confirm MII not busy */ 141 if (smsc95xx_phy_wait_not_busy(dev)) { 142 netdev_warn(dev->net, "MII is busy in smsc95xx_mdio_read\n"); 143 mutex_unlock(&dev->phy_mutex); 144 return -EIO; 145 } 146 147 /* set the address, index & direction (read from PHY) */ 148 phy_id &= dev->mii.phy_id_mask; 149 idx &= dev->mii.reg_num_mask; 150 addr = (phy_id << 11) | (idx << 6) | MII_READ_; 151 smsc95xx_write_reg(dev, MII_ADDR, addr); 152 153 if (smsc95xx_phy_wait_not_busy(dev)) { 154 netdev_warn(dev->net, "Timed out reading MII reg %02X\n", idx); 155 mutex_unlock(&dev->phy_mutex); 156 return -EIO; 157 } 158 159 smsc95xx_read_reg(dev, MII_DATA, &val); 160 161 mutex_unlock(&dev->phy_mutex); 162 163 return (u16)(val & 0xFFFF); 164} 165 166static void smsc95xx_mdio_write(struct net_device *netdev, int phy_id, int idx, 167 int regval) 168{ 169 struct usbnet *dev = netdev_priv(netdev); 170 u32 val, addr; 171 172 mutex_lock(&dev->phy_mutex); 173 174 /* confirm MII not busy */ 175 if (smsc95xx_phy_wait_not_busy(dev)) { 176 netdev_warn(dev->net, "MII is busy in smsc95xx_mdio_write\n"); 177 mutex_unlock(&dev->phy_mutex); 178 return; 179 } 180 181 val = regval; 182 smsc95xx_write_reg(dev, MII_DATA, val); 183 184 /* set the address, index & direction (write to PHY) */ 185 phy_id &= dev->mii.phy_id_mask; 186 idx &= dev->mii.reg_num_mask; 187 addr = (phy_id << 11) | (idx << 6) | MII_WRITE_; 188 smsc95xx_write_reg(dev, MII_ADDR, addr); 189 190 if (smsc95xx_phy_wait_not_busy(dev)) 191 netdev_warn(dev->net, "Timed out writing MII reg %02X\n", idx); 192 193 mutex_unlock(&dev->phy_mutex); 194} 195 196static int smsc95xx_wait_eeprom(struct usbnet *dev) 197{ 198 unsigned long start_time = jiffies; 199 u32 val; 200 201 do { 202 smsc95xx_read_reg(dev, E2P_CMD, &val); 203 if (!(val & E2P_CMD_BUSY_) || (val & E2P_CMD_TIMEOUT_)) 204 break; 205 udelay(40); 206 } while (!time_after(jiffies, start_time + HZ)); 207 208 if (val & (E2P_CMD_TIMEOUT_ | E2P_CMD_BUSY_)) { 209 netdev_warn(dev->net, "EEPROM read operation timeout\n"); 210 return -EIO; 211 } 212 213 return 0; 214} 215 216static int smsc95xx_eeprom_confirm_not_busy(struct usbnet *dev) 217{ 218 unsigned long start_time = jiffies; 219 u32 val; 220 221 do { 222 smsc95xx_read_reg(dev, E2P_CMD, &val); 223 224 if (!(val & E2P_CMD_BUSY_)) 225 return 0; 226 227 udelay(40); 228 } while (!time_after(jiffies, start_time + HZ)); 229 230 netdev_warn(dev->net, "EEPROM is busy\n"); 231 return -EIO; 232} 233 234static int smsc95xx_read_eeprom(struct usbnet *dev, u32 offset, u32 length, 235 u8 *data) 236{ 237 u32 val; 238 int i, ret; 239 240 BUG_ON(!dev); 241 BUG_ON(!data); 242 243 ret = smsc95xx_eeprom_confirm_not_busy(dev); 244 if (ret) 245 return ret; 246 247 for (i = 0; i < length; i++) { 248 val = E2P_CMD_BUSY_ | E2P_CMD_READ_ | (offset & E2P_CMD_ADDR_); 249 smsc95xx_write_reg(dev, E2P_CMD, val); 250 251 ret = smsc95xx_wait_eeprom(dev); 252 if (ret < 0) 253 return ret; 254 255 smsc95xx_read_reg(dev, E2P_DATA, &val); 256 257 data[i] = val & 0xFF; 258 offset++; 259 } 260 261 return 0; 262} 263 264static int smsc95xx_write_eeprom(struct usbnet *dev, u32 offset, u32 length, 265 u8 *data) 266{ 267 u32 val; 268 int i, ret; 269 270 BUG_ON(!dev); 271 BUG_ON(!data); 272 273 ret = smsc95xx_eeprom_confirm_not_busy(dev); 274 if (ret) 275 return ret; 276 277 /* Issue write/erase enable command */ 278 val = E2P_CMD_BUSY_ | E2P_CMD_EWEN_; 279 smsc95xx_write_reg(dev, E2P_CMD, val); 280 281 ret = smsc95xx_wait_eeprom(dev); 282 if (ret < 0) 283 return ret; 284 285 for (i = 0; i < length; i++) { 286 287 /* Fill data register */ 288 val = data[i]; 289 smsc95xx_write_reg(dev, E2P_DATA, val); 290 291 /* Send "write" command */ 292 val = E2P_CMD_BUSY_ | E2P_CMD_WRITE_ | (offset & E2P_CMD_ADDR_); 293 smsc95xx_write_reg(dev, E2P_CMD, val); 294 295 ret = smsc95xx_wait_eeprom(dev); 296 if (ret < 0) 297 return ret; 298 299 offset++; 300 } 301 302 return 0; 303} 304 305static void smsc95xx_async_cmd_callback(struct urb *urb) 306{ 307 struct usb_context *usb_context = urb->context; 308 struct usbnet *dev = usb_context->dev; 309 int status = urb->status; 310 311 if (status < 0) 312 netdev_warn(dev->net, "async callback failed with %d\n", status); 313 314 kfree(usb_context); 315 usb_free_urb(urb); 316} 317 318static int smsc95xx_write_reg_async(struct usbnet *dev, u16 index, u32 *data) 319{ 320 struct usb_context *usb_context; 321 int status; 322 struct urb *urb; 323 const u16 size = 4; 324 325 urb = usb_alloc_urb(0, GFP_ATOMIC); 326 if (!urb) { 327 netdev_warn(dev->net, "Error allocating URB\n"); 328 return -ENOMEM; 329 } 330 331 usb_context = kmalloc(sizeof(struct usb_context), GFP_ATOMIC); 332 if (usb_context == NULL) { 333 netdev_warn(dev->net, "Error allocating control msg\n"); 334 usb_free_urb(urb); 335 return -ENOMEM; 336 } 337 338 usb_context->req.bRequestType = 339 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE; 340 usb_context->req.bRequest = USB_VENDOR_REQUEST_WRITE_REGISTER; 341 usb_context->req.wValue = 00; 342 usb_context->req.wIndex = cpu_to_le16(index); 343 usb_context->req.wLength = cpu_to_le16(size); 344 345 usb_fill_control_urb(urb, dev->udev, usb_sndctrlpipe(dev->udev, 0), 346 (void *)&usb_context->req, data, size, 347 smsc95xx_async_cmd_callback, 348 (void *)usb_context); 349 350 status = usb_submit_urb(urb, GFP_ATOMIC); 351 if (status < 0) { 352 netdev_warn(dev->net, "Error submitting control msg, sts=%d\n", 353 status); 354 kfree(usb_context); 355 usb_free_urb(urb); 356 } 357 358 return status; 359} 360 361/* returns hash bit number for given MAC address 362 * example: 363 * 01 00 5E 00 00 01 -> returns bit number 31 */ 364static unsigned int smsc95xx_hash(char addr[ETH_ALEN]) 365{ 366 return (ether_crc(ETH_ALEN, addr) >> 26) & 0x3f; 367} 368 369static void smsc95xx_set_multicast(struct net_device *netdev) 370{ 371 struct usbnet *dev = netdev_priv(netdev); 372 struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]); 373 u32 hash_hi = 0; 374 u32 hash_lo = 0; 375 unsigned long flags; 376 377 spin_lock_irqsave(&pdata->mac_cr_lock, flags); 378 379 if (dev->net->flags & IFF_PROMISC) { 380 netif_dbg(dev, drv, dev->net, "promiscuous mode enabled\n"); 381 pdata->mac_cr |= MAC_CR_PRMS_; 382 pdata->mac_cr &= ~(MAC_CR_MCPAS_ | MAC_CR_HPFILT_); 383 } else if (dev->net->flags & IFF_ALLMULTI) { 384 netif_dbg(dev, drv, dev->net, "receive all multicast enabled\n"); 385 pdata->mac_cr |= MAC_CR_MCPAS_; 386 pdata->mac_cr &= ~(MAC_CR_PRMS_ | MAC_CR_HPFILT_); 387 } else if (!netdev_mc_empty(dev->net)) { 388 struct dev_mc_list *mc_list; 389 390 pdata->mac_cr |= MAC_CR_HPFILT_; 391 pdata->mac_cr &= ~(MAC_CR_PRMS_ | MAC_CR_MCPAS_); 392 393 netdev_for_each_mc_addr(mc_list, netdev) { 394 u32 bitnum = smsc95xx_hash(mc_list->dmi_addr); 395 u32 mask = 0x01 << (bitnum & 0x1F); 396 if (bitnum & 0x20) 397 hash_hi |= mask; 398 else 399 hash_lo |= mask; 400 } 401 402 netif_dbg(dev, drv, dev->net, "HASHH=0x%08X, HASHL=0x%08X\n", 403 hash_hi, hash_lo); 404 } else { 405 netif_dbg(dev, drv, dev->net, "receive own packets only\n"); 406 pdata->mac_cr &= 407 ~(MAC_CR_PRMS_ | MAC_CR_MCPAS_ | MAC_CR_HPFILT_); 408 } 409 410 spin_unlock_irqrestore(&pdata->mac_cr_lock, flags); 411 412 /* Initiate async writes, as we can't wait for completion here */ 413 smsc95xx_write_reg_async(dev, HASHH, &hash_hi); 414 smsc95xx_write_reg_async(dev, HASHL, &hash_lo); 415 smsc95xx_write_reg_async(dev, MAC_CR, &pdata->mac_cr); 416} 417 418static void smsc95xx_phy_update_flowcontrol(struct usbnet *dev, u8 duplex, 419 u16 lcladv, u16 rmtadv) 420{ 421 u32 flow, afc_cfg = 0; 422 423 int ret = smsc95xx_read_reg(dev, AFC_CFG, &afc_cfg); 424 if (ret < 0) { 425 netdev_warn(dev->net, "error reading AFC_CFG\n"); 426 return; 427 } 428 429 if (duplex == DUPLEX_FULL) { 430 u8 cap = mii_resolve_flowctrl_fdx(lcladv, rmtadv); 431 432 if (cap & FLOW_CTRL_RX) 433 flow = 0xFFFF0002; 434 else 435 flow = 0; 436 437 if (cap & FLOW_CTRL_TX) 438 afc_cfg |= 0xF; 439 else 440 afc_cfg &= ~0xF; 441 442 netif_dbg(dev, link, dev->net, "rx pause %s, tx pause %s\n", 443 cap & FLOW_CTRL_RX ? "enabled" : "disabled", 444 cap & FLOW_CTRL_TX ? "enabled" : "disabled"); 445 } else { 446 netif_dbg(dev, link, dev->net, "half duplex\n"); 447 flow = 0; 448 afc_cfg |= 0xF; 449 } 450 451 smsc95xx_write_reg(dev, FLOW, flow); 452 smsc95xx_write_reg(dev, AFC_CFG, afc_cfg); 453} 454 455static int smsc95xx_link_reset(struct usbnet *dev) 456{ 457 struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]); 458 struct mii_if_info *mii = &dev->mii; 459 struct ethtool_cmd ecmd; 460 unsigned long flags; 461 u16 lcladv, rmtadv; 462 u32 intdata; 463 464 /* clear interrupt status */ 465 smsc95xx_mdio_read(dev->net, mii->phy_id, PHY_INT_SRC); 466 intdata = 0xFFFFFFFF; 467 smsc95xx_write_reg(dev, INT_STS, intdata); 468 469 mii_check_media(mii, 1, 1); 470 mii_ethtool_gset(&dev->mii, &ecmd); 471 lcladv = smsc95xx_mdio_read(dev->net, mii->phy_id, MII_ADVERTISE); 472 rmtadv = smsc95xx_mdio_read(dev->net, mii->phy_id, MII_LPA); 473 474 netif_dbg(dev, link, dev->net, "speed: %d duplex: %d lcladv: %04x rmtadv: %04x\n", 475 ecmd.speed, ecmd.duplex, lcladv, rmtadv); 476 477 spin_lock_irqsave(&pdata->mac_cr_lock, flags); 478 if (ecmd.duplex != DUPLEX_FULL) { 479 pdata->mac_cr &= ~MAC_CR_FDPX_; 480 pdata->mac_cr |= MAC_CR_RCVOWN_; 481 } else { 482 pdata->mac_cr &= ~MAC_CR_RCVOWN_; 483 pdata->mac_cr |= MAC_CR_FDPX_; 484 } 485 spin_unlock_irqrestore(&pdata->mac_cr_lock, flags); 486 487 smsc95xx_write_reg(dev, MAC_CR, pdata->mac_cr); 488 489 smsc95xx_phy_update_flowcontrol(dev, ecmd.duplex, lcladv, rmtadv); 490 491 return 0; 492} 493 494static void smsc95xx_status(struct usbnet *dev, struct urb *urb) 495{ 496 u32 intdata; 497 498 if (urb->actual_length != 4) { 499 netdev_warn(dev->net, "unexpected urb length %d\n", 500 urb->actual_length); 501 return; 502 } 503 504 memcpy(&intdata, urb->transfer_buffer, 4); 505 le32_to_cpus(&intdata); 506 507 netif_dbg(dev, link, dev->net, "intdata: 0x%08X\n", intdata); 508 509 if (intdata & INT_ENP_PHY_INT_) 510 usbnet_defer_kevent(dev, EVENT_LINK_RESET); 511 else 512 netdev_warn(dev->net, "unexpected interrupt, intdata=0x%08X\n", 513 intdata); 514} 515 516/* Enable or disable Tx & Rx checksum offload engines */ 517static int smsc95xx_set_csums(struct usbnet *dev) 518{ 519 struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]); 520 u32 read_buf; 521 int ret = smsc95xx_read_reg(dev, COE_CR, &read_buf); 522 if (ret < 0) { 523 netdev_warn(dev->net, "Failed to read COE_CR: %d\n", ret); 524 return ret; 525 } 526 527 if (pdata->use_tx_csum) 528 read_buf |= Tx_COE_EN_; 529 else 530 read_buf &= ~Tx_COE_EN_; 531 532 if (pdata->use_rx_csum) 533 read_buf |= Rx_COE_EN_; 534 else 535 read_buf &= ~Rx_COE_EN_; 536 537 ret = smsc95xx_write_reg(dev, COE_CR, read_buf); 538 if (ret < 0) { 539 netdev_warn(dev->net, "Failed to write COE_CR: %d\n", ret); 540 return ret; 541 } 542 543 netif_dbg(dev, hw, dev->net, "COE_CR = 0x%08x\n", read_buf); 544 return 0; 545} 546 547static int smsc95xx_ethtool_get_eeprom_len(struct net_device *net) 548{ 549 return MAX_EEPROM_SIZE; 550} 551 552static int smsc95xx_ethtool_get_eeprom(struct net_device *netdev, 553 struct ethtool_eeprom *ee, u8 *data) 554{ 555 struct usbnet *dev = netdev_priv(netdev); 556 557 ee->magic = LAN95XX_EEPROM_MAGIC; 558 559 return smsc95xx_read_eeprom(dev, ee->offset, ee->len, data); 560} 561 562static int smsc95xx_ethtool_set_eeprom(struct net_device *netdev, 563 struct ethtool_eeprom *ee, u8 *data) 564{ 565 struct usbnet *dev = netdev_priv(netdev); 566 567 if (ee->magic != LAN95XX_EEPROM_MAGIC) { 568 netdev_warn(dev->net, "EEPROM: magic value mismatch, magic = 0x%x\n", 569 ee->magic); 570 return -EINVAL; 571 } 572 573 return smsc95xx_write_eeprom(dev, ee->offset, ee->len, data); 574} 575 576static u32 smsc95xx_ethtool_get_rx_csum(struct net_device *netdev) 577{ 578 struct usbnet *dev = netdev_priv(netdev); 579 struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]); 580 581 return pdata->use_rx_csum; 582} 583 584static int smsc95xx_ethtool_set_rx_csum(struct net_device *netdev, u32 val) 585{ 586 struct usbnet *dev = netdev_priv(netdev); 587 struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]); 588 589 pdata->use_rx_csum = !!val; 590 591 return smsc95xx_set_csums(dev); 592} 593 594static u32 smsc95xx_ethtool_get_tx_csum(struct net_device *netdev) 595{ 596 struct usbnet *dev = netdev_priv(netdev); 597 struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]); 598 599 return pdata->use_tx_csum; 600} 601 602static int smsc95xx_ethtool_set_tx_csum(struct net_device *netdev, u32 val) 603{ 604 struct usbnet *dev = netdev_priv(netdev); 605 struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]); 606 607 pdata->use_tx_csum = !!val; 608 609 ethtool_op_set_tx_hw_csum(netdev, pdata->use_tx_csum); 610 return smsc95xx_set_csums(dev); 611} 612 613static const struct ethtool_ops smsc95xx_ethtool_ops = { 614 .get_link = usbnet_get_link, 615 .nway_reset = usbnet_nway_reset, 616 .get_drvinfo = usbnet_get_drvinfo, 617 .get_msglevel = usbnet_get_msglevel, 618 .set_msglevel = usbnet_set_msglevel, 619 .get_settings = usbnet_get_settings, 620 .set_settings = usbnet_set_settings, 621 .get_eeprom_len = smsc95xx_ethtool_get_eeprom_len, 622 .get_eeprom = smsc95xx_ethtool_get_eeprom, 623 .set_eeprom = smsc95xx_ethtool_set_eeprom, 624 .get_tx_csum = smsc95xx_ethtool_get_tx_csum, 625 .set_tx_csum = smsc95xx_ethtool_set_tx_csum, 626 .get_rx_csum = smsc95xx_ethtool_get_rx_csum, 627 .set_rx_csum = smsc95xx_ethtool_set_rx_csum, 628}; 629 630static int smsc95xx_ioctl(struct net_device *netdev, struct ifreq *rq, int cmd) 631{ 632 struct usbnet *dev = netdev_priv(netdev); 633 634 if (!netif_running(netdev)) 635 return -EINVAL; 636 637 return generic_mii_ioctl(&dev->mii, if_mii(rq), cmd, NULL); 638} 639 640static void smsc95xx_init_mac_address(struct usbnet *dev) 641{ 642 /* try reading mac address from EEPROM */ 643 if (smsc95xx_read_eeprom(dev, EEPROM_MAC_OFFSET, ETH_ALEN, 644 dev->net->dev_addr) == 0) { 645 if (is_valid_ether_addr(dev->net->dev_addr)) { 646 /* eeprom values are valid so use them */ 647 netif_dbg(dev, ifup, dev->net, "MAC address read from EEPROM\n"); 648 return; 649 } 650 } 651 652 /* no eeprom, or eeprom values are invalid. generate random MAC */ 653 random_ether_addr(dev->net->dev_addr); 654 netif_dbg(dev, ifup, dev->net, "MAC address set to random_ether_addr\n"); 655} 656 657static int smsc95xx_set_mac_address(struct usbnet *dev) 658{ 659 u32 addr_lo = dev->net->dev_addr[0] | dev->net->dev_addr[1] << 8 | 660 dev->net->dev_addr[2] << 16 | dev->net->dev_addr[3] << 24; 661 u32 addr_hi = dev->net->dev_addr[4] | dev->net->dev_addr[5] << 8; 662 int ret; 663 664 ret = smsc95xx_write_reg(dev, ADDRL, addr_lo); 665 if (ret < 0) { 666 netdev_warn(dev->net, "Failed to write ADDRL: %d\n", ret); 667 return ret; 668 } 669 670 ret = smsc95xx_write_reg(dev, ADDRH, addr_hi); 671 if (ret < 0) { 672 netdev_warn(dev->net, "Failed to write ADDRH: %d\n", ret); 673 return ret; 674 } 675 676 return 0; 677} 678 679/* starts the TX path */ 680static void smsc95xx_start_tx_path(struct usbnet *dev) 681{ 682 struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]); 683 unsigned long flags; 684 u32 reg_val; 685 686 /* Enable Tx at MAC */ 687 spin_lock_irqsave(&pdata->mac_cr_lock, flags); 688 pdata->mac_cr |= MAC_CR_TXEN_; 689 spin_unlock_irqrestore(&pdata->mac_cr_lock, flags); 690 691 smsc95xx_write_reg(dev, MAC_CR, pdata->mac_cr); 692 693 /* Enable Tx at SCSRs */ 694 reg_val = TX_CFG_ON_; 695 smsc95xx_write_reg(dev, TX_CFG, reg_val); 696} 697 698/* Starts the Receive path */ 699static void smsc95xx_start_rx_path(struct usbnet *dev) 700{ 701 struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]); 702 unsigned long flags; 703 704 spin_lock_irqsave(&pdata->mac_cr_lock, flags); 705 pdata->mac_cr |= MAC_CR_RXEN_; 706 spin_unlock_irqrestore(&pdata->mac_cr_lock, flags); 707 708 smsc95xx_write_reg(dev, MAC_CR, pdata->mac_cr); 709} 710 711static int smsc95xx_phy_initialize(struct usbnet *dev) 712{ 713 int bmcr, timeout = 0; 714 715 /* Initialize MII structure */ 716 dev->mii.dev = dev->net; 717 dev->mii.mdio_read = smsc95xx_mdio_read; 718 dev->mii.mdio_write = smsc95xx_mdio_write; 719 dev->mii.phy_id_mask = 0x1f; 720 dev->mii.reg_num_mask = 0x1f; 721 dev->mii.phy_id = SMSC95XX_INTERNAL_PHY_ID; 722 723 /* reset phy and wait for reset to complete */ 724 smsc95xx_mdio_write(dev->net, dev->mii.phy_id, MII_BMCR, BMCR_RESET); 725 726 do { 727 msleep(10); 728 bmcr = smsc95xx_mdio_read(dev->net, dev->mii.phy_id, MII_BMCR); 729 timeout++; 730 } while ((bmcr & MII_BMCR) && (timeout < 100)); 731 732 if (timeout >= 100) { 733 netdev_warn(dev->net, "timeout on PHY Reset"); 734 return -EIO; 735 } 736 737 smsc95xx_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE, 738 ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP | 739 ADVERTISE_PAUSE_ASYM); 740 741 /* read to clear */ 742 smsc95xx_mdio_read(dev->net, dev->mii.phy_id, PHY_INT_SRC); 743 744 smsc95xx_mdio_write(dev->net, dev->mii.phy_id, PHY_INT_MASK, 745 PHY_INT_MASK_DEFAULT_); 746 mii_nway_restart(&dev->mii); 747 748 netif_dbg(dev, ifup, dev->net, "phy initialised successfully\n"); 749 return 0; 750} 751 752static int smsc95xx_reset(struct usbnet *dev) 753{ 754 struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]); 755 struct net_device *netdev = dev->net; 756 u32 read_buf, write_buf, burst_cap; 757 int ret = 0, timeout; 758 759 netif_dbg(dev, ifup, dev->net, "entering smsc95xx_reset\n"); 760 761 write_buf = HW_CFG_LRST_; 762 ret = smsc95xx_write_reg(dev, HW_CFG, write_buf); 763 if (ret < 0) { 764 netdev_warn(dev->net, "Failed to write HW_CFG_LRST_ bit in HW_CFG register, ret = %d\n", 765 ret); 766 return ret; 767 } 768 769 timeout = 0; 770 do { 771 ret = smsc95xx_read_reg(dev, HW_CFG, &read_buf); 772 if (ret < 0) { 773 netdev_warn(dev->net, "Failed to read HW_CFG: %d\n", ret); 774 return ret; 775 } 776 msleep(10); 777 timeout++; 778 } while ((read_buf & HW_CFG_LRST_) && (timeout < 100)); 779 780 if (timeout >= 100) { 781 netdev_warn(dev->net, "timeout waiting for completion of Lite Reset\n"); 782 return ret; 783 } 784 785 write_buf = PM_CTL_PHY_RST_; 786 ret = smsc95xx_write_reg(dev, PM_CTRL, write_buf); 787 if (ret < 0) { 788 netdev_warn(dev->net, "Failed to write PM_CTRL: %d\n", ret); 789 return ret; 790 } 791 792 timeout = 0; 793 do { 794 ret = smsc95xx_read_reg(dev, PM_CTRL, &read_buf); 795 if (ret < 0) { 796 netdev_warn(dev->net, "Failed to read PM_CTRL: %d\n", ret); 797 return ret; 798 } 799 msleep(10); 800 timeout++; 801 } while ((read_buf & PM_CTL_PHY_RST_) && (timeout < 100)); 802 803 if (timeout >= 100) { 804 netdev_warn(dev->net, "timeout waiting for PHY Reset\n"); 805 return ret; 806 } 807 808 smsc95xx_init_mac_address(dev); 809 810 ret = smsc95xx_set_mac_address(dev); 811 if (ret < 0) 812 return ret; 813 814 netif_dbg(dev, ifup, dev->net, 815 "MAC Address: %pM\n", dev->net->dev_addr); 816 817 ret = smsc95xx_read_reg(dev, HW_CFG, &read_buf); 818 if (ret < 0) { 819 netdev_warn(dev->net, "Failed to read HW_CFG: %d\n", ret); 820 return ret; 821 } 822 823 netif_dbg(dev, ifup, dev->net, 824 "Read Value from HW_CFG : 0x%08x\n", read_buf); 825 826 read_buf |= HW_CFG_BIR_; 827 828 ret = smsc95xx_write_reg(dev, HW_CFG, read_buf); 829 if (ret < 0) { 830 netdev_warn(dev->net, "Failed to write HW_CFG_BIR_ bit in HW_CFG register, ret = %d\n", 831 ret); 832 return ret; 833 } 834 835 ret = smsc95xx_read_reg(dev, HW_CFG, &read_buf); 836 if (ret < 0) { 837 netdev_warn(dev->net, "Failed to read HW_CFG: %d\n", ret); 838 return ret; 839 } 840 netif_dbg(dev, ifup, dev->net, 841 "Read Value from HW_CFG after writing HW_CFG_BIR_: 0x%08x\n", 842 read_buf); 843 844 if (!turbo_mode) { 845 burst_cap = 0; 846 dev->rx_urb_size = MAX_SINGLE_PACKET_SIZE; 847 } else if (dev->udev->speed == USB_SPEED_HIGH) { 848 burst_cap = DEFAULT_HS_BURST_CAP_SIZE / HS_USB_PKT_SIZE; 849 dev->rx_urb_size = DEFAULT_HS_BURST_CAP_SIZE; 850 } else { 851 burst_cap = DEFAULT_FS_BURST_CAP_SIZE / FS_USB_PKT_SIZE; 852 dev->rx_urb_size = DEFAULT_FS_BURST_CAP_SIZE; 853 } 854 855 netif_dbg(dev, ifup, dev->net, 856 "rx_urb_size=%ld\n", (ulong)dev->rx_urb_size); 857 858 ret = smsc95xx_write_reg(dev, BURST_CAP, burst_cap); 859 if (ret < 0) { 860 netdev_warn(dev->net, "Failed to write BURST_CAP: %d\n", ret); 861 return ret; 862 } 863 864 ret = smsc95xx_read_reg(dev, BURST_CAP, &read_buf); 865 if (ret < 0) { 866 netdev_warn(dev->net, "Failed to read BURST_CAP: %d\n", ret); 867 return ret; 868 } 869 netif_dbg(dev, ifup, dev->net, 870 "Read Value from BURST_CAP after writing: 0x%08x\n", 871 read_buf); 872 873 read_buf = DEFAULT_BULK_IN_DELAY; 874 ret = smsc95xx_write_reg(dev, BULK_IN_DLY, read_buf); 875 if (ret < 0) { 876 netdev_warn(dev->net, "ret = %d\n", ret); 877 return ret; 878 } 879 880 ret = smsc95xx_read_reg(dev, BULK_IN_DLY, &read_buf); 881 if (ret < 0) { 882 netdev_warn(dev->net, "Failed to read BULK_IN_DLY: %d\n", ret); 883 return ret; 884 } 885 netif_dbg(dev, ifup, dev->net, 886 "Read Value from BULK_IN_DLY after writing: 0x%08x\n", 887 read_buf); 888 889 ret = smsc95xx_read_reg(dev, HW_CFG, &read_buf); 890 if (ret < 0) { 891 netdev_warn(dev->net, "Failed to read HW_CFG: %d\n", ret); 892 return ret; 893 } 894 netif_dbg(dev, ifup, dev->net, 895 "Read Value from HW_CFG: 0x%08x\n", read_buf); 896 897 if (turbo_mode) 898 read_buf |= (HW_CFG_MEF_ | HW_CFG_BCE_); 899 900 read_buf &= ~HW_CFG_RXDOFF_; 901 902 /* set Rx data offset=2, Make IP header aligns on word boundary. */ 903 read_buf |= NET_IP_ALIGN << 9; 904 905 ret = smsc95xx_write_reg(dev, HW_CFG, read_buf); 906 if (ret < 0) { 907 netdev_warn(dev->net, "Failed to write HW_CFG register, ret=%d\n", 908 ret); 909 return ret; 910 } 911 912 ret = smsc95xx_read_reg(dev, HW_CFG, &read_buf); 913 if (ret < 0) { 914 netdev_warn(dev->net, "Failed to read HW_CFG: %d\n", ret); 915 return ret; 916 } 917 netif_dbg(dev, ifup, dev->net, 918 "Read Value from HW_CFG after writing: 0x%08x\n", read_buf); 919 920 write_buf = 0xFFFFFFFF; 921 ret = smsc95xx_write_reg(dev, INT_STS, write_buf); 922 if (ret < 0) { 923 netdev_warn(dev->net, "Failed to write INT_STS register, ret=%d\n", 924 ret); 925 return ret; 926 } 927 928 ret = smsc95xx_read_reg(dev, ID_REV, &read_buf); 929 if (ret < 0) { 930 netdev_warn(dev->net, "Failed to read ID_REV: %d\n", ret); 931 return ret; 932 } 933 netif_dbg(dev, ifup, dev->net, "ID_REV = 0x%08x\n", read_buf); 934 935 /* Configure GPIO pins as LED outputs */ 936 write_buf = LED_GPIO_CFG_SPD_LED | LED_GPIO_CFG_LNK_LED | 937 LED_GPIO_CFG_FDX_LED; 938 ret = smsc95xx_write_reg(dev, LED_GPIO_CFG, write_buf); 939 if (ret < 0) { 940 netdev_warn(dev->net, "Failed to write LED_GPIO_CFG register, ret=%d\n", 941 ret); 942 return ret; 943 } 944 945 /* Init Tx */ 946 write_buf = 0; 947 ret = smsc95xx_write_reg(dev, FLOW, write_buf); 948 if (ret < 0) { 949 netdev_warn(dev->net, "Failed to write FLOW: %d\n", ret); 950 return ret; 951 } 952 953 read_buf = AFC_CFG_DEFAULT; 954 ret = smsc95xx_write_reg(dev, AFC_CFG, read_buf); 955 if (ret < 0) { 956 netdev_warn(dev->net, "Failed to write AFC_CFG: %d\n", ret); 957 return ret; 958 } 959 960 /* Don't need mac_cr_lock during initialisation */ 961 ret = smsc95xx_read_reg(dev, MAC_CR, &pdata->mac_cr); 962 if (ret < 0) { 963 netdev_warn(dev->net, "Failed to read MAC_CR: %d\n", ret); 964 return ret; 965 } 966 967 /* Init Rx */ 968 /* Set Vlan */ 969 write_buf = (u32)ETH_P_8021Q; 970 ret = smsc95xx_write_reg(dev, VLAN1, write_buf); 971 if (ret < 0) { 972 netdev_warn(dev->net, "Failed to write VAN1: %d\n", ret); 973 return ret; 974 } 975 976 /* Enable or disable checksum offload engines */ 977 ethtool_op_set_tx_hw_csum(netdev, pdata->use_tx_csum); 978 ret = smsc95xx_set_csums(dev); 979 if (ret < 0) { 980 netdev_warn(dev->net, "Failed to set csum offload: %d\n", ret); 981 return ret; 982 } 983 984 smsc95xx_set_multicast(dev->net); 985 986 if (smsc95xx_phy_initialize(dev) < 0) 987 return -EIO; 988 989 ret = smsc95xx_read_reg(dev, INT_EP_CTL, &read_buf); 990 if (ret < 0) { 991 netdev_warn(dev->net, "Failed to read INT_EP_CTL: %d\n", ret); 992 return ret; 993 } 994 995 /* enable PHY interrupts */ 996 read_buf |= INT_EP_CTL_PHY_INT_; 997 998 ret = smsc95xx_write_reg(dev, INT_EP_CTL, read_buf); 999 if (ret < 0) { 1000 netdev_warn(dev->net, "Failed to write INT_EP_CTL: %d\n", ret); 1001 return ret; 1002 } 1003 1004 smsc95xx_start_tx_path(dev); 1005 smsc95xx_start_rx_path(dev); 1006 1007 netif_dbg(dev, ifup, dev->net, "smsc95xx_reset, return 0\n"); 1008 return 0; 1009} 1010 1011static const struct net_device_ops smsc95xx_netdev_ops = { 1012 .ndo_open = usbnet_open, 1013 .ndo_stop = usbnet_stop, 1014 .ndo_start_xmit = usbnet_start_xmit, 1015 .ndo_tx_timeout = usbnet_tx_timeout, 1016 .ndo_change_mtu = usbnet_change_mtu, 1017 .ndo_set_mac_address = eth_mac_addr, 1018 .ndo_validate_addr = eth_validate_addr, 1019 .ndo_do_ioctl = smsc95xx_ioctl, 1020 .ndo_set_multicast_list = smsc95xx_set_multicast, 1021}; 1022 1023static int smsc95xx_bind(struct usbnet *dev, struct usb_interface *intf) 1024{ 1025 struct smsc95xx_priv *pdata = NULL; 1026 int ret; 1027 1028 printk(KERN_INFO SMSC_CHIPNAME " v" SMSC_DRIVER_VERSION "\n"); 1029 1030 ret = usbnet_get_endpoints(dev, intf); 1031 if (ret < 0) { 1032 netdev_warn(dev->net, "usbnet_get_endpoints failed: %d\n", ret); 1033 return ret; 1034 } 1035 1036 dev->data[0] = (unsigned long)kzalloc(sizeof(struct smsc95xx_priv), 1037 GFP_KERNEL); 1038 1039 pdata = (struct smsc95xx_priv *)(dev->data[0]); 1040 if (!pdata) { 1041 netdev_warn(dev->net, "Unable to allocate struct smsc95xx_priv\n"); 1042 return -ENOMEM; 1043 } 1044 1045 spin_lock_init(&pdata->mac_cr_lock); 1046 1047 pdata->use_tx_csum = DEFAULT_TX_CSUM_ENABLE; 1048 pdata->use_rx_csum = DEFAULT_RX_CSUM_ENABLE; 1049 1050 /* Init all registers */ 1051 ret = smsc95xx_reset(dev); 1052 1053 dev->net->netdev_ops = &smsc95xx_netdev_ops; 1054 dev->net->ethtool_ops = &smsc95xx_ethtool_ops; 1055 dev->net->flags |= IFF_MULTICAST; 1056 dev->net->hard_header_len += SMSC95XX_TX_OVERHEAD; 1057 return 0; 1058} 1059 1060static void smsc95xx_unbind(struct usbnet *dev, struct usb_interface *intf) 1061{ 1062 struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]); 1063 if (pdata) { 1064 netif_dbg(dev, ifdown, dev->net, "free pdata\n"); 1065 kfree(pdata); 1066 pdata = NULL; 1067 dev->data[0] = 0; 1068 } 1069} 1070 1071static void smsc95xx_rx_csum_offload(struct sk_buff *skb) 1072{ 1073 skb->csum = *(u16 *)(skb_tail_pointer(skb) - 2); 1074 skb->ip_summed = CHECKSUM_COMPLETE; 1075 skb_trim(skb, skb->len - 2); 1076} 1077 1078static int smsc95xx_rx_fixup(struct usbnet *dev, struct sk_buff *skb) 1079{ 1080 struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]); 1081 1082 while (skb->len > 0) { 1083 u32 header, align_count; 1084 struct sk_buff *ax_skb; 1085 unsigned char *packet; 1086 u16 size; 1087 1088 memcpy(&header, skb->data, sizeof(header)); 1089 le32_to_cpus(&header); 1090 skb_pull(skb, 4 + NET_IP_ALIGN); 1091 packet = skb->data; 1092 1093 /* get the packet length */ 1094 size = (u16)((header & RX_STS_FL_) >> 16); 1095 align_count = (4 - ((size + NET_IP_ALIGN) % 4)) % 4; 1096 1097 if (unlikely(header & RX_STS_ES_)) { 1098 netif_dbg(dev, rx_err, dev->net, 1099 "Error header=0x%08x\n", header); 1100 dev->net->stats.rx_errors++; 1101 dev->net->stats.rx_dropped++; 1102 1103 if (header & RX_STS_CRC_) { 1104 dev->net->stats.rx_crc_errors++; 1105 } else { 1106 if (header & (RX_STS_TL_ | RX_STS_RF_)) 1107 dev->net->stats.rx_frame_errors++; 1108 1109 if ((header & RX_STS_LE_) && 1110 (!(header & RX_STS_FT_))) 1111 dev->net->stats.rx_length_errors++; 1112 } 1113 } else { 1114 /* ETH_FRAME_LEN + 4(CRC) + 2(COE) + 4(Vlan) */ 1115 if (unlikely(size > (ETH_FRAME_LEN + 12))) { 1116 netif_dbg(dev, rx_err, dev->net, 1117 "size err header=0x%08x\n", header); 1118 return 0; 1119 } 1120 1121 /* last frame in this batch */ 1122 if (skb->len == size) { 1123 if (pdata->use_rx_csum) 1124 smsc95xx_rx_csum_offload(skb); 1125 skb_trim(skb, skb->len - 4); /* remove fcs */ 1126 skb->truesize = size + sizeof(struct sk_buff); 1127 1128 return 1; 1129 } 1130 1131 ax_skb = skb_clone(skb, GFP_ATOMIC); 1132 if (unlikely(!ax_skb)) { 1133 netdev_warn(dev->net, "Error allocating skb\n"); 1134 return 0; 1135 } 1136 1137 ax_skb->len = size; 1138 ax_skb->data = packet; 1139 skb_set_tail_pointer(ax_skb, size); 1140 1141 if (pdata->use_rx_csum) 1142 smsc95xx_rx_csum_offload(ax_skb); 1143 skb_trim(ax_skb, ax_skb->len - 4); /* remove fcs */ 1144 ax_skb->truesize = size + sizeof(struct sk_buff); 1145 1146 usbnet_skb_return(dev, ax_skb); 1147 } 1148 1149 skb_pull(skb, size); 1150 1151 /* padding bytes before the next frame starts */ 1152 if (skb->len) 1153 skb_pull(skb, align_count); 1154 } 1155 1156 if (unlikely(skb->len < 0)) { 1157 netdev_warn(dev->net, "invalid rx length<0 %d\n", skb->len); 1158 return 0; 1159 } 1160 1161 return 1; 1162} 1163 1164static u32 smsc95xx_calc_csum_preamble(struct sk_buff *skb) 1165{ 1166 int len = skb->data - skb->head; 1167 u16 high_16 = (u16)(skb->csum_offset + skb->csum_start - len); 1168 u16 low_16 = (u16)(skb->csum_start - len); 1169 return (high_16 << 16) | low_16; 1170} 1171 1172static struct sk_buff *smsc95xx_tx_fixup(struct usbnet *dev, 1173 struct sk_buff *skb, gfp_t flags) 1174{ 1175 struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]); 1176 bool csum = pdata->use_tx_csum && (skb->ip_summed == CHECKSUM_PARTIAL); 1177 int overhead = csum ? SMSC95XX_TX_OVERHEAD_CSUM : SMSC95XX_TX_OVERHEAD; 1178 u32 tx_cmd_a, tx_cmd_b; 1179 1180 /* We do not advertise SG, so skbs should be already linearized */ 1181 BUG_ON(skb_shinfo(skb)->nr_frags); 1182 1183 if (skb_headroom(skb) < overhead) { 1184 struct sk_buff *skb2 = skb_copy_expand(skb, 1185 overhead, 0, flags); 1186 dev_kfree_skb_any(skb); 1187 skb = skb2; 1188 if (!skb) 1189 return NULL; 1190 } 1191 1192 if (csum) { 1193 if (skb->len <= 45) { 1194 /* workaround - hardware tx checksum does not work 1195 * properly with extremely small packets */ 1196 long csstart = skb->csum_start - skb_headroom(skb); 1197 __wsum calc = csum_partial(skb->data + csstart, 1198 skb->len - csstart, 0); 1199 *((__sum16 *)(skb->data + csstart 1200 + skb->csum_offset)) = csum_fold(calc); 1201 1202 csum = false; 1203 } else { 1204 u32 csum_preamble = smsc95xx_calc_csum_preamble(skb); 1205 skb_push(skb, 4); 1206 memcpy(skb->data, &csum_preamble, 4); 1207 } 1208 } 1209 1210 skb_push(skb, 4); 1211 tx_cmd_b = (u32)(skb->len - 4); 1212 if (csum) 1213 tx_cmd_b |= TX_CMD_B_CSUM_ENABLE; 1214 cpu_to_le32s(&tx_cmd_b); 1215 memcpy(skb->data, &tx_cmd_b, 4); 1216 1217 skb_push(skb, 4); 1218 tx_cmd_a = (u32)(skb->len - 8) | TX_CMD_A_FIRST_SEG_ | 1219 TX_CMD_A_LAST_SEG_; 1220 cpu_to_le32s(&tx_cmd_a); 1221 memcpy(skb->data, &tx_cmd_a, 4); 1222 1223 return skb; 1224} 1225 1226static const struct driver_info smsc95xx_info = { 1227 .description = "smsc95xx USB 2.0 Ethernet", 1228 .bind = smsc95xx_bind, 1229 .unbind = smsc95xx_unbind, 1230 .link_reset = smsc95xx_link_reset, 1231 .reset = smsc95xx_reset, 1232 .rx_fixup = smsc95xx_rx_fixup, 1233 .tx_fixup = smsc95xx_tx_fixup, 1234 .status = smsc95xx_status, 1235 .flags = FLAG_ETHER | FLAG_SEND_ZLP, 1236}; 1237 1238static const struct usb_device_id products[] = { 1239 { 1240 /* SMSC9500 USB Ethernet Device */ 1241 USB_DEVICE(0x0424, 0x9500), 1242 .driver_info = (unsigned long) &smsc95xx_info, 1243 }, 1244 { 1245 /* SMSC9505 USB Ethernet Device */ 1246 USB_DEVICE(0x0424, 0x9505), 1247 .driver_info = (unsigned long) &smsc95xx_info, 1248 }, 1249 { 1250 /* SMSC9500A USB Ethernet Device */ 1251 USB_DEVICE(0x0424, 0x9E00), 1252 .driver_info = (unsigned long) &smsc95xx_info, 1253 }, 1254 { 1255 /* SMSC9505A USB Ethernet Device */ 1256 USB_DEVICE(0x0424, 0x9E01), 1257 .driver_info = (unsigned long) &smsc95xx_info, 1258 }, 1259 { 1260 /* SMSC9512/9514 USB Hub & Ethernet Device */ 1261 USB_DEVICE(0x0424, 0xec00), 1262 .driver_info = (unsigned long) &smsc95xx_info, 1263 }, 1264 { 1265 /* SMSC9500 USB Ethernet Device (SAL10) */ 1266 USB_DEVICE(0x0424, 0x9900), 1267 .driver_info = (unsigned long) &smsc95xx_info, 1268 }, 1269 { 1270 /* SMSC9505 USB Ethernet Device (SAL10) */ 1271 USB_DEVICE(0x0424, 0x9901), 1272 .driver_info = (unsigned long) &smsc95xx_info, 1273 }, 1274 { 1275 /* SMSC9500A USB Ethernet Device (SAL10) */ 1276 USB_DEVICE(0x0424, 0x9902), 1277 .driver_info = (unsigned long) &smsc95xx_info, 1278 }, 1279 { 1280 /* SMSC9505A USB Ethernet Device (SAL10) */ 1281 USB_DEVICE(0x0424, 0x9903), 1282 .driver_info = (unsigned long) &smsc95xx_info, 1283 }, 1284 { 1285 /* SMSC9512/9514 USB Hub & Ethernet Device (SAL10) */ 1286 USB_DEVICE(0x0424, 0x9904), 1287 .driver_info = (unsigned long) &smsc95xx_info, 1288 }, 1289 { 1290 /* SMSC9500A USB Ethernet Device (HAL) */ 1291 USB_DEVICE(0x0424, 0x9905), 1292 .driver_info = (unsigned long) &smsc95xx_info, 1293 }, 1294 { 1295 /* SMSC9505A USB Ethernet Device (HAL) */ 1296 USB_DEVICE(0x0424, 0x9906), 1297 .driver_info = (unsigned long) &smsc95xx_info, 1298 }, 1299 { 1300 /* SMSC9500 USB Ethernet Device (Alternate ID) */ 1301 USB_DEVICE(0x0424, 0x9907), 1302 .driver_info = (unsigned long) &smsc95xx_info, 1303 }, 1304 { 1305 /* SMSC9500A USB Ethernet Device (Alternate ID) */ 1306 USB_DEVICE(0x0424, 0x9908), 1307 .driver_info = (unsigned long) &smsc95xx_info, 1308 }, 1309 { 1310 /* SMSC9512/9514 USB Hub & Ethernet Device (Alternate ID) */ 1311 USB_DEVICE(0x0424, 0x9909), 1312 .driver_info = (unsigned long) &smsc95xx_info, 1313 }, 1314 { }, /* END */ 1315}; 1316MODULE_DEVICE_TABLE(usb, products); 1317 1318static struct usb_driver smsc95xx_driver = { 1319 .name = "smsc95xx", 1320 .id_table = products, 1321 .probe = usbnet_probe, 1322 .suspend = usbnet_suspend, 1323 .resume = usbnet_resume, 1324 .disconnect = usbnet_disconnect, 1325}; 1326 1327static int __init smsc95xx_init(void) 1328{ 1329 return usb_register(&smsc95xx_driver); 1330} 1331module_init(smsc95xx_init); 1332 1333static void __exit smsc95xx_exit(void) 1334{ 1335 usb_deregister(&smsc95xx_driver); 1336} 1337module_exit(smsc95xx_exit); 1338 1339MODULE_AUTHOR("Nancy Lin"); 1340MODULE_AUTHOR("Steve Glendinning <steve.glendinning@smsc.com>"); 1341MODULE_DESCRIPTION("SMSC95XX USB 2.0 Ethernet Devices"); 1342MODULE_LICENSE("GPL"); 1343