arm: tegra: comms: Enable autopm for RAW-IP network driver.
[linux-2.6.git] / drivers / net / usb / smsc95xx.c
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
50 struct smsc95xx_priv {
51         u32 mac_cr;
52         u32 hash_hi;
53         u32 hash_lo;
54         spinlock_t mac_cr_lock;
55 };
56
57 struct usb_context {
58         struct usb_ctrlrequest req;
59         struct usbnet *dev;
60 };
61
62 static int turbo_mode = true;
63 module_param(turbo_mode, bool, 0644);
64 MODULE_PARM_DESC(turbo_mode, "Enable multiple frames per Rx transaction");
65
66 static 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
91 static 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 */
119 static 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
133 static 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
166 static 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
196 static 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
216 static 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
234 static 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
264 static 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
305 static 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
318 static 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 */
364 static unsigned int smsc95xx_hash(char addr[ETH_ALEN])
365 {
366         return (ether_crc(ETH_ALEN, addr) >> 26) & 0x3f;
367 }
368
369 static 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         unsigned long flags;
374
375         pdata->hash_hi = 0;
376         pdata->hash_lo = 0;
377
378         spin_lock_irqsave(&pdata->mac_cr_lock, flags);
379
380         if (dev->net->flags & IFF_PROMISC) {
381                 netif_dbg(dev, drv, dev->net, "promiscuous mode enabled\n");
382                 pdata->mac_cr |= MAC_CR_PRMS_;
383                 pdata->mac_cr &= ~(MAC_CR_MCPAS_ | MAC_CR_HPFILT_);
384         } else if (dev->net->flags & IFF_ALLMULTI) {
385                 netif_dbg(dev, drv, dev->net, "receive all multicast enabled\n");
386                 pdata->mac_cr |= MAC_CR_MCPAS_;
387                 pdata->mac_cr &= ~(MAC_CR_PRMS_ | MAC_CR_HPFILT_);
388         } else if (!netdev_mc_empty(dev->net)) {
389                 struct netdev_hw_addr *ha;
390
391                 pdata->mac_cr |= MAC_CR_HPFILT_;
392                 pdata->mac_cr &= ~(MAC_CR_PRMS_ | MAC_CR_MCPAS_);
393
394                 netdev_for_each_mc_addr(ha, netdev) {
395                         u32 bitnum = smsc95xx_hash(ha->addr);
396                         u32 mask = 0x01 << (bitnum & 0x1F);
397                         if (bitnum & 0x20)
398                                 pdata->hash_hi |= mask;
399                         else
400                                 pdata->hash_lo |= mask;
401                 }
402
403                 netif_dbg(dev, drv, dev->net, "HASHH=0x%08X, HASHL=0x%08X\n",
404                                    pdata->hash_hi, pdata->hash_lo);
405         } else {
406                 netif_dbg(dev, drv, dev->net, "receive own packets only\n");
407                 pdata->mac_cr &=
408                         ~(MAC_CR_PRMS_ | MAC_CR_MCPAS_ | MAC_CR_HPFILT_);
409         }
410
411         spin_unlock_irqrestore(&pdata->mac_cr_lock, flags);
412
413         /* Initiate async writes, as we can't wait for completion here */
414         smsc95xx_write_reg_async(dev, HASHH, &pdata->hash_hi);
415         smsc95xx_write_reg_async(dev, HASHL, &pdata->hash_lo);
416         smsc95xx_write_reg_async(dev, MAC_CR, &pdata->mac_cr);
417 }
418
419 static void smsc95xx_phy_update_flowcontrol(struct usbnet *dev, u8 duplex,
420                                             u16 lcladv, u16 rmtadv)
421 {
422         u32 flow, afc_cfg = 0;
423
424         int ret = smsc95xx_read_reg(dev, AFC_CFG, &afc_cfg);
425         if (ret < 0) {
426                 netdev_warn(dev->net, "error reading AFC_CFG\n");
427                 return;
428         }
429
430         if (duplex == DUPLEX_FULL) {
431                 u8 cap = mii_resolve_flowctrl_fdx(lcladv, rmtadv);
432
433                 if (cap & FLOW_CTRL_RX)
434                         flow = 0xFFFF0002;
435                 else
436                         flow = 0;
437
438                 if (cap & FLOW_CTRL_TX)
439                         afc_cfg |= 0xF;
440                 else
441                         afc_cfg &= ~0xF;
442
443                 netif_dbg(dev, link, dev->net, "rx pause %s, tx pause %s\n",
444                                    cap & FLOW_CTRL_RX ? "enabled" : "disabled",
445                                    cap & FLOW_CTRL_TX ? "enabled" : "disabled");
446         } else {
447                 netif_dbg(dev, link, dev->net, "half duplex\n");
448                 flow = 0;
449                 afc_cfg |= 0xF;
450         }
451
452         smsc95xx_write_reg(dev, FLOW, flow);
453         smsc95xx_write_reg(dev, AFC_CFG, afc_cfg);
454 }
455
456 static int smsc95xx_link_reset(struct usbnet *dev)
457 {
458         struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]);
459         struct mii_if_info *mii = &dev->mii;
460         struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET };
461         unsigned long flags;
462         u16 lcladv, rmtadv;
463         u32 intdata;
464
465         /* clear interrupt status */
466         smsc95xx_mdio_read(dev->net, mii->phy_id, PHY_INT_SRC);
467         intdata = 0xFFFFFFFF;
468         smsc95xx_write_reg(dev, INT_STS, intdata);
469
470         mii_check_media(mii, 1, 1);
471         mii_ethtool_gset(&dev->mii, &ecmd);
472         lcladv = smsc95xx_mdio_read(dev->net, mii->phy_id, MII_ADVERTISE);
473         rmtadv = smsc95xx_mdio_read(dev->net, mii->phy_id, MII_LPA);
474
475         netif_dbg(dev, link, dev->net,
476                   "speed: %u duplex: %d lcladv: %04x rmtadv: %04x\n",
477                   ethtool_cmd_speed(&ecmd), ecmd.duplex, lcladv, rmtadv);
478
479         spin_lock_irqsave(&pdata->mac_cr_lock, flags);
480         if (ecmd.duplex != DUPLEX_FULL) {
481                 pdata->mac_cr &= ~MAC_CR_FDPX_;
482                 pdata->mac_cr |= MAC_CR_RCVOWN_;
483         } else {
484                 pdata->mac_cr &= ~MAC_CR_RCVOWN_;
485                 pdata->mac_cr |= MAC_CR_FDPX_;
486         }
487         spin_unlock_irqrestore(&pdata->mac_cr_lock, flags);
488
489         smsc95xx_write_reg(dev, MAC_CR, pdata->mac_cr);
490
491         smsc95xx_phy_update_flowcontrol(dev, ecmd.duplex, lcladv, rmtadv);
492
493         return 0;
494 }
495
496 static void smsc95xx_status(struct usbnet *dev, struct urb *urb)
497 {
498         u32 intdata;
499
500         if (urb->actual_length != 4) {
501                 netdev_warn(dev->net, "unexpected urb length %d\n",
502                             urb->actual_length);
503                 return;
504         }
505
506         memcpy(&intdata, urb->transfer_buffer, 4);
507         le32_to_cpus(&intdata);
508
509         netif_dbg(dev, link, dev->net, "intdata: 0x%08X\n", intdata);
510
511         if (intdata & INT_ENP_PHY_INT_)
512                 usbnet_defer_kevent(dev, EVENT_LINK_RESET);
513         else
514                 netdev_warn(dev->net, "unexpected interrupt, intdata=0x%08X\n",
515                             intdata);
516 }
517
518 /* Enable or disable Tx & Rx checksum offload engines */
519 static int smsc95xx_set_features(struct net_device *netdev, u32 features)
520 {
521         struct usbnet *dev = netdev_priv(netdev);
522         u32 read_buf;
523         int ret;
524
525         ret = smsc95xx_read_reg(dev, COE_CR, &read_buf);
526         if (ret < 0) {
527                 netdev_warn(dev->net, "Failed to read COE_CR: %d\n", ret);
528                 return ret;
529         }
530
531         if (features & NETIF_F_HW_CSUM)
532                 read_buf |= Tx_COE_EN_;
533         else
534                 read_buf &= ~Tx_COE_EN_;
535
536         if (features & NETIF_F_RXCSUM)
537                 read_buf |= Rx_COE_EN_;
538         else
539                 read_buf &= ~Rx_COE_EN_;
540
541         ret = smsc95xx_write_reg(dev, COE_CR, read_buf);
542         if (ret < 0) {
543                 netdev_warn(dev->net, "Failed to write COE_CR: %d\n", ret);
544                 return ret;
545         }
546
547         netif_dbg(dev, hw, dev->net, "COE_CR = 0x%08x\n", read_buf);
548         return 0;
549 }
550
551 static int smsc95xx_ethtool_get_eeprom_len(struct net_device *net)
552 {
553         return MAX_EEPROM_SIZE;
554 }
555
556 static int smsc95xx_ethtool_get_eeprom(struct net_device *netdev,
557                                        struct ethtool_eeprom *ee, u8 *data)
558 {
559         struct usbnet *dev = netdev_priv(netdev);
560
561         ee->magic = LAN95XX_EEPROM_MAGIC;
562
563         return smsc95xx_read_eeprom(dev, ee->offset, ee->len, data);
564 }
565
566 static int smsc95xx_ethtool_set_eeprom(struct net_device *netdev,
567                                        struct ethtool_eeprom *ee, u8 *data)
568 {
569         struct usbnet *dev = netdev_priv(netdev);
570
571         if (ee->magic != LAN95XX_EEPROM_MAGIC) {
572                 netdev_warn(dev->net, "EEPROM: magic value mismatch, magic = 0x%x\n",
573                             ee->magic);
574                 return -EINVAL;
575         }
576
577         return smsc95xx_write_eeprom(dev, ee->offset, ee->len, data);
578 }
579
580 static const struct ethtool_ops smsc95xx_ethtool_ops = {
581         .get_link       = usbnet_get_link,
582         .nway_reset     = usbnet_nway_reset,
583         .get_drvinfo    = usbnet_get_drvinfo,
584         .get_msglevel   = usbnet_get_msglevel,
585         .set_msglevel   = usbnet_set_msglevel,
586         .get_settings   = usbnet_get_settings,
587         .set_settings   = usbnet_set_settings,
588         .get_eeprom_len = smsc95xx_ethtool_get_eeprom_len,
589         .get_eeprom     = smsc95xx_ethtool_get_eeprom,
590         .set_eeprom     = smsc95xx_ethtool_set_eeprom,
591 };
592
593 static int smsc95xx_ioctl(struct net_device *netdev, struct ifreq *rq, int cmd)
594 {
595         struct usbnet *dev = netdev_priv(netdev);
596
597         if (!netif_running(netdev))
598                 return -EINVAL;
599
600         return generic_mii_ioctl(&dev->mii, if_mii(rq), cmd, NULL);
601 }
602
603 static void smsc95xx_init_mac_address(struct usbnet *dev)
604 {
605         /* try reading mac address from EEPROM */
606         if (smsc95xx_read_eeprom(dev, EEPROM_MAC_OFFSET, ETH_ALEN,
607                         dev->net->dev_addr) == 0) {
608                 if (is_valid_ether_addr(dev->net->dev_addr)) {
609                         /* eeprom values are valid so use them */
610                         netif_dbg(dev, ifup, dev->net, "MAC address read from EEPROM\n");
611                         return;
612                 }
613         }
614
615         /* no eeprom, or eeprom values are invalid. generate random MAC */
616         random_ether_addr(dev->net->dev_addr);
617         netif_dbg(dev, ifup, dev->net, "MAC address set to random_ether_addr\n");
618 }
619
620 static int smsc95xx_set_mac_address(struct usbnet *dev)
621 {
622         u32 addr_lo = dev->net->dev_addr[0] | dev->net->dev_addr[1] << 8 |
623                 dev->net->dev_addr[2] << 16 | dev->net->dev_addr[3] << 24;
624         u32 addr_hi = dev->net->dev_addr[4] | dev->net->dev_addr[5] << 8;
625         int ret;
626
627         ret = smsc95xx_write_reg(dev, ADDRL, addr_lo);
628         if (ret < 0) {
629                 netdev_warn(dev->net, "Failed to write ADDRL: %d\n", ret);
630                 return ret;
631         }
632
633         ret = smsc95xx_write_reg(dev, ADDRH, addr_hi);
634         if (ret < 0) {
635                 netdev_warn(dev->net, "Failed to write ADDRH: %d\n", ret);
636                 return ret;
637         }
638
639         return 0;
640 }
641
642 /* starts the TX path */
643 static void smsc95xx_start_tx_path(struct usbnet *dev)
644 {
645         struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]);
646         unsigned long flags;
647         u32 reg_val;
648
649         /* Enable Tx at MAC */
650         spin_lock_irqsave(&pdata->mac_cr_lock, flags);
651         pdata->mac_cr |= MAC_CR_TXEN_;
652         spin_unlock_irqrestore(&pdata->mac_cr_lock, flags);
653
654         smsc95xx_write_reg(dev, MAC_CR, pdata->mac_cr);
655
656         /* Enable Tx at SCSRs */
657         reg_val = TX_CFG_ON_;
658         smsc95xx_write_reg(dev, TX_CFG, reg_val);
659 }
660
661 /* Starts the Receive path */
662 static void smsc95xx_start_rx_path(struct usbnet *dev)
663 {
664         struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]);
665         unsigned long flags;
666
667         spin_lock_irqsave(&pdata->mac_cr_lock, flags);
668         pdata->mac_cr |= MAC_CR_RXEN_;
669         spin_unlock_irqrestore(&pdata->mac_cr_lock, flags);
670
671         smsc95xx_write_reg(dev, MAC_CR, pdata->mac_cr);
672 }
673
674 static int smsc95xx_phy_initialize(struct usbnet *dev)
675 {
676         int bmcr, timeout = 0;
677
678         /* Initialize MII structure */
679         dev->mii.dev = dev->net;
680         dev->mii.mdio_read = smsc95xx_mdio_read;
681         dev->mii.mdio_write = smsc95xx_mdio_write;
682         dev->mii.phy_id_mask = 0x1f;
683         dev->mii.reg_num_mask = 0x1f;
684         dev->mii.phy_id = SMSC95XX_INTERNAL_PHY_ID;
685
686         /* reset phy and wait for reset to complete */
687         smsc95xx_mdio_write(dev->net, dev->mii.phy_id, MII_BMCR, BMCR_RESET);
688
689         do {
690                 msleep(10);
691                 bmcr = smsc95xx_mdio_read(dev->net, dev->mii.phy_id, MII_BMCR);
692                 timeout++;
693         } while ((bmcr & BMCR_RESET) && (timeout < 100));
694
695         if (timeout >= 100) {
696                 netdev_warn(dev->net, "timeout on PHY Reset");
697                 return -EIO;
698         }
699
700         smsc95xx_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE,
701                 ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP |
702                 ADVERTISE_PAUSE_ASYM);
703
704         /* read to clear */
705         smsc95xx_mdio_read(dev->net, dev->mii.phy_id, PHY_INT_SRC);
706
707         smsc95xx_mdio_write(dev->net, dev->mii.phy_id, PHY_INT_MASK,
708                 PHY_INT_MASK_DEFAULT_);
709         mii_nway_restart(&dev->mii);
710
711         netif_dbg(dev, ifup, dev->net, "phy initialised successfully\n");
712         return 0;
713 }
714
715 static int smsc95xx_reset(struct usbnet *dev)
716 {
717         struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]);
718         u32 read_buf, write_buf, burst_cap;
719         int ret = 0, timeout;
720
721         netif_dbg(dev, ifup, dev->net, "entering smsc95xx_reset\n");
722
723         write_buf = HW_CFG_LRST_;
724         ret = smsc95xx_write_reg(dev, HW_CFG, write_buf);
725         if (ret < 0) {
726                 netdev_warn(dev->net, "Failed to write HW_CFG_LRST_ bit in HW_CFG register, ret = %d\n",
727                             ret);
728                 return ret;
729         }
730
731         timeout = 0;
732         do {
733                 ret = smsc95xx_read_reg(dev, HW_CFG, &read_buf);
734                 if (ret < 0) {
735                         netdev_warn(dev->net, "Failed to read HW_CFG: %d\n", ret);
736                         return ret;
737                 }
738                 msleep(10);
739                 timeout++;
740         } while ((read_buf & HW_CFG_LRST_) && (timeout < 100));
741
742         if (timeout >= 100) {
743                 netdev_warn(dev->net, "timeout waiting for completion of Lite Reset\n");
744                 return ret;
745         }
746
747         write_buf = PM_CTL_PHY_RST_;
748         ret = smsc95xx_write_reg(dev, PM_CTRL, write_buf);
749         if (ret < 0) {
750                 netdev_warn(dev->net, "Failed to write PM_CTRL: %d\n", ret);
751                 return ret;
752         }
753
754         timeout = 0;
755         do {
756                 ret = smsc95xx_read_reg(dev, PM_CTRL, &read_buf);
757                 if (ret < 0) {
758                         netdev_warn(dev->net, "Failed to read PM_CTRL: %d\n", ret);
759                         return ret;
760                 }
761                 msleep(10);
762                 timeout++;
763         } while ((read_buf & PM_CTL_PHY_RST_) && (timeout < 100));
764
765         if (timeout >= 100) {
766                 netdev_warn(dev->net, "timeout waiting for PHY Reset\n");
767                 return ret;
768         }
769
770         ret = smsc95xx_set_mac_address(dev);
771         if (ret < 0)
772                 return ret;
773
774         netif_dbg(dev, ifup, dev->net,
775                   "MAC Address: %pM\n", dev->net->dev_addr);
776
777         ret = smsc95xx_read_reg(dev, HW_CFG, &read_buf);
778         if (ret < 0) {
779                 netdev_warn(dev->net, "Failed to read HW_CFG: %d\n", ret);
780                 return ret;
781         }
782
783         netif_dbg(dev, ifup, dev->net,
784                   "Read Value from HW_CFG : 0x%08x\n", read_buf);
785
786         read_buf |= HW_CFG_BIR_;
787
788         ret = smsc95xx_write_reg(dev, HW_CFG, read_buf);
789         if (ret < 0) {
790                 netdev_warn(dev->net, "Failed to write HW_CFG_BIR_ bit in HW_CFG register, ret = %d\n",
791                             ret);
792                 return ret;
793         }
794
795         ret = smsc95xx_read_reg(dev, HW_CFG, &read_buf);
796         if (ret < 0) {
797                 netdev_warn(dev->net, "Failed to read HW_CFG: %d\n", ret);
798                 return ret;
799         }
800         netif_dbg(dev, ifup, dev->net,
801                   "Read Value from HW_CFG after writing HW_CFG_BIR_: 0x%08x\n",
802                   read_buf);
803
804         if (!turbo_mode) {
805                 burst_cap = 0;
806                 dev->rx_urb_size = MAX_SINGLE_PACKET_SIZE;
807         } else if (dev->udev->speed == USB_SPEED_HIGH) {
808                 burst_cap = DEFAULT_HS_BURST_CAP_SIZE / HS_USB_PKT_SIZE;
809                 dev->rx_urb_size = DEFAULT_HS_BURST_CAP_SIZE;
810         } else {
811                 burst_cap = DEFAULT_FS_BURST_CAP_SIZE / FS_USB_PKT_SIZE;
812                 dev->rx_urb_size = DEFAULT_FS_BURST_CAP_SIZE;
813         }
814
815         netif_dbg(dev, ifup, dev->net,
816                   "rx_urb_size=%ld\n", (ulong)dev->rx_urb_size);
817
818         ret = smsc95xx_write_reg(dev, BURST_CAP, burst_cap);
819         if (ret < 0) {
820                 netdev_warn(dev->net, "Failed to write BURST_CAP: %d\n", ret);
821                 return ret;
822         }
823
824         ret = smsc95xx_read_reg(dev, BURST_CAP, &read_buf);
825         if (ret < 0) {
826                 netdev_warn(dev->net, "Failed to read BURST_CAP: %d\n", ret);
827                 return ret;
828         }
829         netif_dbg(dev, ifup, dev->net,
830                   "Read Value from BURST_CAP after writing: 0x%08x\n",
831                   read_buf);
832
833         read_buf = DEFAULT_BULK_IN_DELAY;
834         ret = smsc95xx_write_reg(dev, BULK_IN_DLY, read_buf);
835         if (ret < 0) {
836                 netdev_warn(dev->net, "ret = %d\n", ret);
837                 return ret;
838         }
839
840         ret = smsc95xx_read_reg(dev, BULK_IN_DLY, &read_buf);
841         if (ret < 0) {
842                 netdev_warn(dev->net, "Failed to read BULK_IN_DLY: %d\n", ret);
843                 return ret;
844         }
845         netif_dbg(dev, ifup, dev->net,
846                   "Read Value from BULK_IN_DLY after writing: 0x%08x\n",
847                   read_buf);
848
849         ret = smsc95xx_read_reg(dev, HW_CFG, &read_buf);
850         if (ret < 0) {
851                 netdev_warn(dev->net, "Failed to read HW_CFG: %d\n", ret);
852                 return ret;
853         }
854         netif_dbg(dev, ifup, dev->net,
855                   "Read Value from HW_CFG: 0x%08x\n", read_buf);
856
857         if (turbo_mode)
858                 read_buf |= (HW_CFG_MEF_ | HW_CFG_BCE_);
859
860         read_buf &= ~HW_CFG_RXDOFF_;
861
862         /* set Rx data offset=2, Make IP header aligns on word boundary. */
863         read_buf |= NET_IP_ALIGN << 9;
864
865         ret = smsc95xx_write_reg(dev, HW_CFG, read_buf);
866         if (ret < 0) {
867                 netdev_warn(dev->net, "Failed to write HW_CFG register, ret=%d\n",
868                             ret);
869                 return ret;
870         }
871
872         ret = smsc95xx_read_reg(dev, HW_CFG, &read_buf);
873         if (ret < 0) {
874                 netdev_warn(dev->net, "Failed to read HW_CFG: %d\n", ret);
875                 return ret;
876         }
877         netif_dbg(dev, ifup, dev->net,
878                   "Read Value from HW_CFG after writing: 0x%08x\n", read_buf);
879
880         write_buf = 0xFFFFFFFF;
881         ret = smsc95xx_write_reg(dev, INT_STS, write_buf);
882         if (ret < 0) {
883                 netdev_warn(dev->net, "Failed to write INT_STS register, ret=%d\n",
884                             ret);
885                 return ret;
886         }
887
888         ret = smsc95xx_read_reg(dev, ID_REV, &read_buf);
889         if (ret < 0) {
890                 netdev_warn(dev->net, "Failed to read ID_REV: %d\n", ret);
891                 return ret;
892         }
893         netif_dbg(dev, ifup, dev->net, "ID_REV = 0x%08x\n", read_buf);
894
895         /* Configure GPIO pins as LED outputs */
896         write_buf = LED_GPIO_CFG_SPD_LED | LED_GPIO_CFG_LNK_LED |
897                 LED_GPIO_CFG_FDX_LED;
898         ret = smsc95xx_write_reg(dev, LED_GPIO_CFG, write_buf);
899         if (ret < 0) {
900                 netdev_warn(dev->net, "Failed to write LED_GPIO_CFG register, ret=%d\n",
901                             ret);
902                 return ret;
903         }
904
905         /* Init Tx */
906         write_buf = 0;
907         ret = smsc95xx_write_reg(dev, FLOW, write_buf);
908         if (ret < 0) {
909                 netdev_warn(dev->net, "Failed to write FLOW: %d\n", ret);
910                 return ret;
911         }
912
913         read_buf = AFC_CFG_DEFAULT;
914         ret = smsc95xx_write_reg(dev, AFC_CFG, read_buf);
915         if (ret < 0) {
916                 netdev_warn(dev->net, "Failed to write AFC_CFG: %d\n", ret);
917                 return ret;
918         }
919
920         /* Don't need mac_cr_lock during initialisation */
921         ret = smsc95xx_read_reg(dev, MAC_CR, &pdata->mac_cr);
922         if (ret < 0) {
923                 netdev_warn(dev->net, "Failed to read MAC_CR: %d\n", ret);
924                 return ret;
925         }
926
927         /* Init Rx */
928         /* Set Vlan */
929         write_buf = (u32)ETH_P_8021Q;
930         ret = smsc95xx_write_reg(dev, VLAN1, write_buf);
931         if (ret < 0) {
932                 netdev_warn(dev->net, "Failed to write VAN1: %d\n", ret);
933                 return ret;
934         }
935
936         /* Enable or disable checksum offload engines */
937         smsc95xx_set_features(dev->net, dev->net->features);
938
939         smsc95xx_set_multicast(dev->net);
940
941         if (smsc95xx_phy_initialize(dev) < 0)
942                 return -EIO;
943
944         ret = smsc95xx_read_reg(dev, INT_EP_CTL, &read_buf);
945         if (ret < 0) {
946                 netdev_warn(dev->net, "Failed to read INT_EP_CTL: %d\n", ret);
947                 return ret;
948         }
949
950         /* enable PHY interrupts */
951         read_buf |= INT_EP_CTL_PHY_INT_;
952
953         ret = smsc95xx_write_reg(dev, INT_EP_CTL, read_buf);
954         if (ret < 0) {
955                 netdev_warn(dev->net, "Failed to write INT_EP_CTL: %d\n", ret);
956                 return ret;
957         }
958
959         smsc95xx_start_tx_path(dev);
960         smsc95xx_start_rx_path(dev);
961
962         netif_dbg(dev, ifup, dev->net, "smsc95xx_reset, return 0\n");
963         return 0;
964 }
965
966 static const struct net_device_ops smsc95xx_netdev_ops = {
967         .ndo_open               = usbnet_open,
968         .ndo_stop               = usbnet_stop,
969         .ndo_start_xmit         = usbnet_start_xmit,
970         .ndo_tx_timeout         = usbnet_tx_timeout,
971         .ndo_change_mtu         = usbnet_change_mtu,
972         .ndo_set_mac_address    = eth_mac_addr,
973         .ndo_validate_addr      = eth_validate_addr,
974         .ndo_do_ioctl           = smsc95xx_ioctl,
975         .ndo_set_multicast_list = smsc95xx_set_multicast,
976         .ndo_set_features       = smsc95xx_set_features,
977 };
978
979 static int smsc95xx_bind(struct usbnet *dev, struct usb_interface *intf)
980 {
981         struct smsc95xx_priv *pdata = NULL;
982         int ret;
983
984         printk(KERN_INFO SMSC_CHIPNAME " v" SMSC_DRIVER_VERSION "\n");
985
986         ret = usbnet_get_endpoints(dev, intf);
987         if (ret < 0) {
988                 netdev_warn(dev->net, "usbnet_get_endpoints failed: %d\n", ret);
989                 return ret;
990         }
991
992         dev->data[0] = (unsigned long)kzalloc(sizeof(struct smsc95xx_priv),
993                 GFP_KERNEL);
994
995         pdata = (struct smsc95xx_priv *)(dev->data[0]);
996         if (!pdata) {
997                 netdev_warn(dev->net, "Unable to allocate struct smsc95xx_priv\n");
998                 return -ENOMEM;
999         }
1000
1001         spin_lock_init(&pdata->mac_cr_lock);
1002
1003         if (DEFAULT_TX_CSUM_ENABLE)
1004                 dev->net->features |= NETIF_F_HW_CSUM;
1005         if (DEFAULT_RX_CSUM_ENABLE)
1006                 dev->net->features |= NETIF_F_RXCSUM;
1007
1008         dev->net->hw_features = NETIF_F_HW_CSUM | NETIF_F_RXCSUM;
1009
1010         smsc95xx_init_mac_address(dev);
1011
1012         /* Init all registers */
1013         ret = smsc95xx_reset(dev);
1014
1015         dev->net->netdev_ops = &smsc95xx_netdev_ops;
1016         dev->net->ethtool_ops = &smsc95xx_ethtool_ops;
1017         dev->net->flags |= IFF_MULTICAST;
1018         dev->net->hard_header_len += SMSC95XX_TX_OVERHEAD_CSUM;
1019         return 0;
1020 }
1021
1022 static void smsc95xx_unbind(struct usbnet *dev, struct usb_interface *intf)
1023 {
1024         struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]);
1025         if (pdata) {
1026                 netif_dbg(dev, ifdown, dev->net, "free pdata\n");
1027                 kfree(pdata);
1028                 pdata = NULL;
1029                 dev->data[0] = 0;
1030         }
1031 }
1032
1033 static void smsc95xx_rx_csum_offload(struct sk_buff *skb)
1034 {
1035         skb->csum = *(u16 *)(skb_tail_pointer(skb) - 2);
1036         skb->ip_summed = CHECKSUM_COMPLETE;
1037         skb_trim(skb, skb->len - 2);
1038 }
1039
1040 static int smsc95xx_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
1041 {
1042         while (skb->len > 0) {
1043                 u32 header, align_count;
1044                 struct sk_buff *ax_skb;
1045                 unsigned char *packet;
1046                 u16 size;
1047
1048                 memcpy(&header, skb->data, sizeof(header));
1049                 le32_to_cpus(&header);
1050                 skb_pull(skb, 4 + NET_IP_ALIGN);
1051                 packet = skb->data;
1052
1053                 /* get the packet length */
1054                 size = (u16)((header & RX_STS_FL_) >> 16);
1055                 align_count = (4 - ((size + NET_IP_ALIGN) % 4)) % 4;
1056
1057                 if (unlikely(header & RX_STS_ES_)) {
1058                         netif_dbg(dev, rx_err, dev->net,
1059                                   "Error header=0x%08x\n", header);
1060                         dev->net->stats.rx_errors++;
1061                         dev->net->stats.rx_dropped++;
1062
1063                         if (header & RX_STS_CRC_) {
1064                                 dev->net->stats.rx_crc_errors++;
1065                         } else {
1066                                 if (header & (RX_STS_TL_ | RX_STS_RF_))
1067                                         dev->net->stats.rx_frame_errors++;
1068
1069                                 if ((header & RX_STS_LE_) &&
1070                                         (!(header & RX_STS_FT_)))
1071                                         dev->net->stats.rx_length_errors++;
1072                         }
1073                 } else {
1074                         /* ETH_FRAME_LEN + 4(CRC) + 2(COE) + 4(Vlan) */
1075                         if (unlikely(size > (ETH_FRAME_LEN + 12))) {
1076                                 netif_dbg(dev, rx_err, dev->net,
1077                                           "size err header=0x%08x\n", header);
1078                                 return 0;
1079                         }
1080
1081                         /* last frame in this batch */
1082                         if (skb->len == size) {
1083                                 if (dev->net->features & NETIF_F_RXCSUM)
1084                                         smsc95xx_rx_csum_offload(skb);
1085                                 skb_trim(skb, skb->len - 4); /* remove fcs */
1086                                 skb->truesize = size + sizeof(struct sk_buff);
1087
1088                                 return 1;
1089                         }
1090
1091                         ax_skb = skb_clone(skb, GFP_ATOMIC);
1092                         if (unlikely(!ax_skb)) {
1093                                 netdev_warn(dev->net, "Error allocating skb\n");
1094                                 return 0;
1095                         }
1096
1097                         ax_skb->len = size;
1098                         ax_skb->data = packet;
1099                         skb_set_tail_pointer(ax_skb, size);
1100
1101                         if (dev->net->features & NETIF_F_RXCSUM)
1102                                 smsc95xx_rx_csum_offload(ax_skb);
1103                         skb_trim(ax_skb, ax_skb->len - 4); /* remove fcs */
1104                         ax_skb->truesize = size + sizeof(struct sk_buff);
1105
1106                         usbnet_skb_return(dev, ax_skb);
1107                 }
1108
1109                 skb_pull(skb, size);
1110
1111                 /* padding bytes before the next frame starts */
1112                 if (skb->len)
1113                         skb_pull(skb, align_count);
1114         }
1115
1116         if (unlikely(skb->len < 0)) {
1117                 netdev_warn(dev->net, "invalid rx length<0 %d\n", skb->len);
1118                 return 0;
1119         }
1120
1121         return 1;
1122 }
1123
1124 static u32 smsc95xx_calc_csum_preamble(struct sk_buff *skb)
1125 {
1126         u16 low_16 = (u16)skb_checksum_start_offset(skb);
1127         u16 high_16 = low_16 + skb->csum_offset;
1128         return (high_16 << 16) | low_16;
1129 }
1130
1131 static struct sk_buff *smsc95xx_tx_fixup(struct usbnet *dev,
1132                                          struct sk_buff *skb, gfp_t flags)
1133 {
1134         bool csum = skb->ip_summed == CHECKSUM_PARTIAL;
1135         int overhead = csum ? SMSC95XX_TX_OVERHEAD_CSUM : SMSC95XX_TX_OVERHEAD;
1136         u32 tx_cmd_a, tx_cmd_b;
1137
1138         /* We do not advertise SG, so skbs should be already linearized */
1139         BUG_ON(skb_shinfo(skb)->nr_frags);
1140
1141         if (skb_headroom(skb) < overhead) {
1142                 struct sk_buff *skb2 = skb_copy_expand(skb,
1143                         overhead, 0, flags);
1144                 dev_kfree_skb_any(skb);
1145                 skb = skb2;
1146                 if (!skb)
1147                         return NULL;
1148         }
1149
1150         if (csum) {
1151                 if (skb->len <= 45) {
1152                         /* workaround - hardware tx checksum does not work
1153                          * properly with extremely small packets */
1154                         long csstart = skb_checksum_start_offset(skb);
1155                         __wsum calc = csum_partial(skb->data + csstart,
1156                                 skb->len - csstart, 0);
1157                         *((__sum16 *)(skb->data + csstart
1158                                 + skb->csum_offset)) = csum_fold(calc);
1159
1160                         csum = false;
1161                 } else {
1162                         u32 csum_preamble = smsc95xx_calc_csum_preamble(skb);
1163                         skb_push(skb, 4);
1164                         memcpy(skb->data, &csum_preamble, 4);
1165                 }
1166         }
1167
1168         skb_push(skb, 4);
1169         tx_cmd_b = (u32)(skb->len - 4);
1170         if (csum)
1171                 tx_cmd_b |= TX_CMD_B_CSUM_ENABLE;
1172         cpu_to_le32s(&tx_cmd_b);
1173         memcpy(skb->data, &tx_cmd_b, 4);
1174
1175         skb_push(skb, 4);
1176         tx_cmd_a = (u32)(skb->len - 8) | TX_CMD_A_FIRST_SEG_ |
1177                 TX_CMD_A_LAST_SEG_;
1178         cpu_to_le32s(&tx_cmd_a);
1179         memcpy(skb->data, &tx_cmd_a, 4);
1180
1181         return skb;
1182 }
1183
1184 static const struct driver_info smsc95xx_info = {
1185         .description    = "smsc95xx USB 2.0 Ethernet",
1186         .bind           = smsc95xx_bind,
1187         .unbind         = smsc95xx_unbind,
1188         .link_reset     = smsc95xx_link_reset,
1189         .reset          = smsc95xx_reset,
1190         .rx_fixup       = smsc95xx_rx_fixup,
1191         .tx_fixup       = smsc95xx_tx_fixup,
1192         .status         = smsc95xx_status,
1193         .flags          = FLAG_ETHER | FLAG_SEND_ZLP,
1194 };
1195
1196 static const struct usb_device_id products[] = {
1197         {
1198                 /* SMSC9500 USB Ethernet Device */
1199                 USB_DEVICE(0x0424, 0x9500),
1200                 .driver_info = (unsigned long) &smsc95xx_info,
1201         },
1202         {
1203                 /* SMSC9505 USB Ethernet Device */
1204                 USB_DEVICE(0x0424, 0x9505),
1205                 .driver_info = (unsigned long) &smsc95xx_info,
1206         },
1207         {
1208                 /* SMSC9500A USB Ethernet Device */
1209                 USB_DEVICE(0x0424, 0x9E00),
1210                 .driver_info = (unsigned long) &smsc95xx_info,
1211         },
1212         {
1213                 /* SMSC9505A USB Ethernet Device */
1214                 USB_DEVICE(0x0424, 0x9E01),
1215                 .driver_info = (unsigned long) &smsc95xx_info,
1216         },
1217         {
1218                 /* SMSC9512/9514 USB Hub & Ethernet Device */
1219                 USB_DEVICE(0x0424, 0xec00),
1220                 .driver_info = (unsigned long) &smsc95xx_info,
1221         },
1222         {
1223                 /* SMSC9500 USB Ethernet Device (SAL10) */
1224                 USB_DEVICE(0x0424, 0x9900),
1225                 .driver_info = (unsigned long) &smsc95xx_info,
1226         },
1227         {
1228                 /* SMSC9505 USB Ethernet Device (SAL10) */
1229                 USB_DEVICE(0x0424, 0x9901),
1230                 .driver_info = (unsigned long) &smsc95xx_info,
1231         },
1232         {
1233                 /* SMSC9500A USB Ethernet Device (SAL10) */
1234                 USB_DEVICE(0x0424, 0x9902),
1235                 .driver_info = (unsigned long) &smsc95xx_info,
1236         },
1237         {
1238                 /* SMSC9505A USB Ethernet Device (SAL10) */
1239                 USB_DEVICE(0x0424, 0x9903),
1240                 .driver_info = (unsigned long) &smsc95xx_info,
1241         },
1242         {
1243                 /* SMSC9512/9514 USB Hub & Ethernet Device (SAL10) */
1244                 USB_DEVICE(0x0424, 0x9904),
1245                 .driver_info = (unsigned long) &smsc95xx_info,
1246         },
1247         {
1248                 /* SMSC9500A USB Ethernet Device (HAL) */
1249                 USB_DEVICE(0x0424, 0x9905),
1250                 .driver_info = (unsigned long) &smsc95xx_info,
1251         },
1252         {
1253                 /* SMSC9505A USB Ethernet Device (HAL) */
1254                 USB_DEVICE(0x0424, 0x9906),
1255                 .driver_info = (unsigned long) &smsc95xx_info,
1256         },
1257         {
1258                 /* SMSC9500 USB Ethernet Device (Alternate ID) */
1259                 USB_DEVICE(0x0424, 0x9907),
1260                 .driver_info = (unsigned long) &smsc95xx_info,
1261         },
1262         {
1263                 /* SMSC9500A USB Ethernet Device (Alternate ID) */
1264                 USB_DEVICE(0x0424, 0x9908),
1265                 .driver_info = (unsigned long) &smsc95xx_info,
1266         },
1267         {
1268                 /* SMSC9512/9514 USB Hub & Ethernet Device (Alternate ID) */
1269                 USB_DEVICE(0x0424, 0x9909),
1270                 .driver_info = (unsigned long) &smsc95xx_info,
1271         },
1272         {
1273                 /* SMSC LAN9530 USB Ethernet Device */
1274                 USB_DEVICE(0x0424, 0x9530),
1275                 .driver_info = (unsigned long) &smsc95xx_info,
1276         },
1277         {
1278                 /* SMSC LAN9730 USB Ethernet Device */
1279                 USB_DEVICE(0x0424, 0x9730),
1280                 .driver_info = (unsigned long) &smsc95xx_info,
1281         },
1282         {
1283                 /* SMSC LAN89530 USB Ethernet Device */
1284                 USB_DEVICE(0x0424, 0x9E08),
1285                 .driver_info = (unsigned long) &smsc95xx_info,
1286         },
1287         {
1288                 /* SMSC89530 USB Ethernet Device on Automotive VCM */
1289                 USB_DEVICE(0x0424, 0x9E08),
1290                 .driver_info = (unsigned long) &smsc95xx_info,
1291         },
1292         { },            /* END */
1293 };
1294 MODULE_DEVICE_TABLE(usb, products);
1295
1296 static struct usb_driver smsc95xx_driver = {
1297         .name           = "smsc95xx",
1298         .id_table       = products,
1299         .probe          = usbnet_probe,
1300         .suspend        = usbnet_suspend,
1301         .resume         = usbnet_resume,
1302         .disconnect     = usbnet_disconnect,
1303 };
1304
1305 static int __init smsc95xx_init(void)
1306 {
1307         return usb_register(&smsc95xx_driver);
1308 }
1309 module_init(smsc95xx_init);
1310
1311 static void __exit smsc95xx_exit(void)
1312 {
1313         usb_deregister(&smsc95xx_driver);
1314 }
1315 module_exit(smsc95xx_exit);
1316
1317 MODULE_AUTHOR("Nancy Lin");
1318 MODULE_AUTHOR("Steve Glendinning <steve.glendinning@smsc.com>");
1319 MODULE_DESCRIPTION("SMSC95XX USB 2.0 Ethernet Devices");
1320 MODULE_LICENSE("GPL");