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8#include <linux/module.h>
9#include <linux/kmod.h>
10#include <linux/netdevice.h>
11#include <linux/etherdevice.h>
12#include <linux/ethtool.h>
13#include <linux/mii.h>
14#include <linux/usb.h>
15#include <linux/bitrev.h>
16#include <linux/crc16.h>
17#include <linux/crc32.h>
18#include <linux/usb/usbnet.h>
19#include <linux/slab.h>
20#include <linux/of_net.h>
21#include <linux/mdio.h>
22#include <linux/phy.h>
23#include "smsc95xx.h"
24
25#define SMSC_CHIPNAME "smsc95xx"
26#define SMSC_DRIVER_VERSION "2.0.0"
27#define HS_USB_PKT_SIZE (512)
28#define FS_USB_PKT_SIZE (64)
29#define DEFAULT_HS_BURST_CAP_SIZE (16 * 1024 + 5 * HS_USB_PKT_SIZE)
30#define DEFAULT_FS_BURST_CAP_SIZE (6 * 1024 + 33 * FS_USB_PKT_SIZE)
31#define DEFAULT_BULK_IN_DELAY (0x00002000)
32#define MAX_SINGLE_PACKET_SIZE (2048)
33#define LAN95XX_EEPROM_MAGIC (0x9500)
34#define EEPROM_MAC_OFFSET (0x01)
35#define DEFAULT_TX_CSUM_ENABLE (true)
36#define DEFAULT_RX_CSUM_ENABLE (true)
37#define SMSC95XX_INTERNAL_PHY_ID (1)
38#define SMSC95XX_TX_OVERHEAD (8)
39#define SMSC95XX_TX_OVERHEAD_CSUM (12)
40#define SUPPORTED_WAKE (WAKE_PHY | WAKE_UCAST | WAKE_BCAST | \
41 WAKE_MCAST | WAKE_ARP | WAKE_MAGIC)
42
43#define FEATURE_8_WAKEUP_FILTERS (0x01)
44#define FEATURE_PHY_NLP_CROSSOVER (0x02)
45#define FEATURE_REMOTE_WAKEUP (0x04)
46
47#define SUSPEND_SUSPEND0 (0x01)
48#define SUSPEND_SUSPEND1 (0x02)
49#define SUSPEND_SUSPEND2 (0x04)
50#define SUSPEND_SUSPEND3 (0x08)
51#define SUSPEND_ALLMODES (SUSPEND_SUSPEND0 | SUSPEND_SUSPEND1 | \
52 SUSPEND_SUSPEND2 | SUSPEND_SUSPEND3)
53
54struct smsc95xx_priv {
55 u32 mac_cr;
56 u32 hash_hi;
57 u32 hash_lo;
58 u32 wolopts;
59 spinlock_t mac_cr_lock;
60 u8 features;
61 u8 suspend_flags;
62 struct mii_bus *mdiobus;
63 struct phy_device *phydev;
64};
65
66static bool turbo_mode = true;
67module_param(turbo_mode, bool, 0644);
68MODULE_PARM_DESC(turbo_mode, "Enable multiple frames per Rx transaction");
69
70static int __must_check __smsc95xx_read_reg(struct usbnet *dev, u32 index,
71 u32 *data, int in_pm)
72{
73 u32 buf;
74 int ret;
75 int (*fn)(struct usbnet *, u8, u8, u16, u16, void *, u16);
76
77 BUG_ON(!dev);
78
79 if (!in_pm)
80 fn = usbnet_read_cmd;
81 else
82 fn = usbnet_read_cmd_nopm;
83
84 ret = fn(dev, USB_VENDOR_REQUEST_READ_REGISTER, USB_DIR_IN
85 | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
86 0, index, &buf, 4);
87 if (unlikely(ret < 0)) {
88 netdev_warn(dev->net, "Failed to read reg index 0x%08x: %d\n",
89 index, ret);
90 return ret;
91 }
92
93 le32_to_cpus(&buf);
94 *data = buf;
95
96 return ret;
97}
98
99static int __must_check __smsc95xx_write_reg(struct usbnet *dev, u32 index,
100 u32 data, int in_pm)
101{
102 u32 buf;
103 int ret;
104 int (*fn)(struct usbnet *, u8, u8, u16, u16, const void *, u16);
105
106 BUG_ON(!dev);
107
108 if (!in_pm)
109 fn = usbnet_write_cmd;
110 else
111 fn = usbnet_write_cmd_nopm;
112
113 buf = data;
114 cpu_to_le32s(&buf);
115
116 ret = fn(dev, USB_VENDOR_REQUEST_WRITE_REGISTER, USB_DIR_OUT
117 | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
118 0, index, &buf, 4);
119 if (unlikely(ret < 0))
120 netdev_warn(dev->net, "Failed to write reg index 0x%08x: %d\n",
121 index, ret);
122
123 return ret;
124}
125
126static int __must_check smsc95xx_read_reg_nopm(struct usbnet *dev, u32 index,
127 u32 *data)
128{
129 return __smsc95xx_read_reg(dev, index, data, 1);
130}
131
132static int __must_check smsc95xx_write_reg_nopm(struct usbnet *dev, u32 index,
133 u32 data)
134{
135 return __smsc95xx_write_reg(dev, index, data, 1);
136}
137
138static int __must_check smsc95xx_read_reg(struct usbnet *dev, u32 index,
139 u32 *data)
140{
141 return __smsc95xx_read_reg(dev, index, data, 0);
142}
143
144static int __must_check smsc95xx_write_reg(struct usbnet *dev, u32 index,
145 u32 data)
146{
147 return __smsc95xx_write_reg(dev, index, data, 0);
148}
149
150
151
152static int __must_check __smsc95xx_phy_wait_not_busy(struct usbnet *dev,
153 int in_pm)
154{
155 unsigned long start_time = jiffies;
156 u32 val;
157 int ret;
158
159 do {
160 ret = __smsc95xx_read_reg(dev, MII_ADDR, &val, in_pm);
161 if (ret < 0) {
162 netdev_warn(dev->net, "Error reading MII_ACCESS\n");
163 return ret;
164 }
165
166 if (!(val & MII_BUSY_))
167 return 0;
168 } while (!time_after(jiffies, start_time + HZ));
169
170 return -EIO;
171}
172
173static u32 mii_address_cmd(int phy_id, int idx, u16 op)
174{
175 return (phy_id & 0x1f) << 11 | (idx & 0x1f) << 6 | op;
176}
177
178static int __smsc95xx_mdio_read(struct usbnet *dev, int phy_id, int idx,
179 int in_pm)
180{
181 u32 val, addr;
182 int ret;
183
184 mutex_lock(&dev->phy_mutex);
185
186
187 ret = __smsc95xx_phy_wait_not_busy(dev, in_pm);
188 if (ret < 0) {
189 netdev_warn(dev->net, "%s: MII is busy\n", __func__);
190 goto done;
191 }
192
193
194 addr = mii_address_cmd(phy_id, idx, MII_READ_ | MII_BUSY_);
195 ret = __smsc95xx_write_reg(dev, MII_ADDR, addr, in_pm);
196 if (ret < 0) {
197 netdev_warn(dev->net, "Error writing MII_ADDR\n");
198 goto done;
199 }
200
201 ret = __smsc95xx_phy_wait_not_busy(dev, in_pm);
202 if (ret < 0) {
203 netdev_warn(dev->net, "Timed out reading MII reg %02X\n", idx);
204 goto done;
205 }
206
207 ret = __smsc95xx_read_reg(dev, MII_DATA, &val, in_pm);
208 if (ret < 0) {
209 netdev_warn(dev->net, "Error reading MII_DATA\n");
210 goto done;
211 }
212
213 ret = (u16)(val & 0xFFFF);
214
215done:
216 mutex_unlock(&dev->phy_mutex);
217 return ret;
218}
219
220static void __smsc95xx_mdio_write(struct usbnet *dev, int phy_id,
221 int idx, int regval, int in_pm)
222{
223 u32 val, addr;
224 int ret;
225
226 mutex_lock(&dev->phy_mutex);
227
228
229 ret = __smsc95xx_phy_wait_not_busy(dev, in_pm);
230 if (ret < 0) {
231 netdev_warn(dev->net, "%s: MII is busy\n", __func__);
232 goto done;
233 }
234
235 val = regval;
236 ret = __smsc95xx_write_reg(dev, MII_DATA, val, in_pm);
237 if (ret < 0) {
238 netdev_warn(dev->net, "Error writing MII_DATA\n");
239 goto done;
240 }
241
242
243 addr = mii_address_cmd(phy_id, idx, MII_WRITE_ | MII_BUSY_);
244 ret = __smsc95xx_write_reg(dev, MII_ADDR, addr, in_pm);
245 if (ret < 0) {
246 netdev_warn(dev->net, "Error writing MII_ADDR\n");
247 goto done;
248 }
249
250 ret = __smsc95xx_phy_wait_not_busy(dev, in_pm);
251 if (ret < 0) {
252 netdev_warn(dev->net, "Timed out writing MII reg %02X\n", idx);
253 goto done;
254 }
255
256done:
257 mutex_unlock(&dev->phy_mutex);
258}
259
260static int smsc95xx_mdio_read_nopm(struct usbnet *dev, int idx)
261{
262 struct smsc95xx_priv *pdata = dev->driver_priv;
263
264 return __smsc95xx_mdio_read(dev, pdata->phydev->mdio.addr, idx, 1);
265}
266
267static void smsc95xx_mdio_write_nopm(struct usbnet *dev, int idx, int regval)
268{
269 struct smsc95xx_priv *pdata = dev->driver_priv;
270
271 __smsc95xx_mdio_write(dev, pdata->phydev->mdio.addr, idx, regval, 1);
272}
273
274static int smsc95xx_mdiobus_read(struct mii_bus *bus, int phy_id, int idx)
275{
276 struct usbnet *dev = bus->priv;
277
278 return __smsc95xx_mdio_read(dev, phy_id, idx, 0);
279}
280
281static int smsc95xx_mdiobus_write(struct mii_bus *bus, int phy_id, int idx,
282 u16 regval)
283{
284 struct usbnet *dev = bus->priv;
285
286 __smsc95xx_mdio_write(dev, phy_id, idx, regval, 0);
287 return 0;
288}
289
290static int __must_check smsc95xx_wait_eeprom(struct usbnet *dev)
291{
292 unsigned long start_time = jiffies;
293 u32 val;
294 int ret;
295
296 do {
297 ret = smsc95xx_read_reg(dev, E2P_CMD, &val);
298 if (ret < 0) {
299 netdev_warn(dev->net, "Error reading E2P_CMD\n");
300 return ret;
301 }
302
303 if (!(val & E2P_CMD_BUSY_) || (val & E2P_CMD_TIMEOUT_))
304 break;
305 udelay(40);
306 } while (!time_after(jiffies, start_time + HZ));
307
308 if (val & (E2P_CMD_TIMEOUT_ | E2P_CMD_BUSY_)) {
309 netdev_warn(dev->net, "EEPROM read operation timeout\n");
310 return -EIO;
311 }
312
313 return 0;
314}
315
316static int __must_check smsc95xx_eeprom_confirm_not_busy(struct usbnet *dev)
317{
318 unsigned long start_time = jiffies;
319 u32 val;
320 int ret;
321
322 do {
323 ret = smsc95xx_read_reg(dev, E2P_CMD, &val);
324 if (ret < 0) {
325 netdev_warn(dev->net, "Error reading E2P_CMD\n");
326 return ret;
327 }
328
329 if (!(val & E2P_CMD_BUSY_))
330 return 0;
331
332 udelay(40);
333 } while (!time_after(jiffies, start_time + HZ));
334
335 netdev_warn(dev->net, "EEPROM is busy\n");
336 return -EIO;
337}
338
339static int smsc95xx_read_eeprom(struct usbnet *dev, u32 offset, u32 length,
340 u8 *data)
341{
342 u32 val;
343 int i, ret;
344
345 BUG_ON(!dev);
346 BUG_ON(!data);
347
348 ret = smsc95xx_eeprom_confirm_not_busy(dev);
349 if (ret)
350 return ret;
351
352 for (i = 0; i < length; i++) {
353 val = E2P_CMD_BUSY_ | E2P_CMD_READ_ | (offset & E2P_CMD_ADDR_);
354 ret = smsc95xx_write_reg(dev, E2P_CMD, val);
355 if (ret < 0) {
356 netdev_warn(dev->net, "Error writing E2P_CMD\n");
357 return ret;
358 }
359
360 ret = smsc95xx_wait_eeprom(dev);
361 if (ret < 0)
362 return ret;
363
364 ret = smsc95xx_read_reg(dev, E2P_DATA, &val);
365 if (ret < 0) {
366 netdev_warn(dev->net, "Error reading E2P_DATA\n");
367 return ret;
368 }
369
370 data[i] = val & 0xFF;
371 offset++;
372 }
373
374 return 0;
375}
376
377static int smsc95xx_write_eeprom(struct usbnet *dev, u32 offset, u32 length,
378 u8 *data)
379{
380 u32 val;
381 int i, ret;
382
383 BUG_ON(!dev);
384 BUG_ON(!data);
385
386 ret = smsc95xx_eeprom_confirm_not_busy(dev);
387 if (ret)
388 return ret;
389
390
391 val = E2P_CMD_BUSY_ | E2P_CMD_EWEN_;
392 ret = smsc95xx_write_reg(dev, E2P_CMD, val);
393 if (ret < 0) {
394 netdev_warn(dev->net, "Error writing E2P_DATA\n");
395 return ret;
396 }
397
398 ret = smsc95xx_wait_eeprom(dev);
399 if (ret < 0)
400 return ret;
401
402 for (i = 0; i < length; i++) {
403
404
405 val = data[i];
406 ret = smsc95xx_write_reg(dev, E2P_DATA, val);
407 if (ret < 0) {
408 netdev_warn(dev->net, "Error writing E2P_DATA\n");
409 return ret;
410 }
411
412
413 val = E2P_CMD_BUSY_ | E2P_CMD_WRITE_ | (offset & E2P_CMD_ADDR_);
414 ret = smsc95xx_write_reg(dev, E2P_CMD, val);
415 if (ret < 0) {
416 netdev_warn(dev->net, "Error writing E2P_CMD\n");
417 return ret;
418 }
419
420 ret = smsc95xx_wait_eeprom(dev);
421 if (ret < 0)
422 return ret;
423
424 offset++;
425 }
426
427 return 0;
428}
429
430static int __must_check smsc95xx_write_reg_async(struct usbnet *dev, u16 index,
431 u32 data)
432{
433 const u16 size = 4;
434 u32 buf;
435 int ret;
436
437 buf = data;
438 cpu_to_le32s(&buf);
439
440 ret = usbnet_write_cmd_async(dev, USB_VENDOR_REQUEST_WRITE_REGISTER,
441 USB_DIR_OUT | USB_TYPE_VENDOR |
442 USB_RECIP_DEVICE,
443 0, index, &buf, size);
444 if (ret < 0)
445 netdev_warn(dev->net, "Error write async cmd, sts=%d\n",
446 ret);
447 return ret;
448}
449
450
451
452
453static unsigned int smsc95xx_hash(char addr[ETH_ALEN])
454{
455 return (ether_crc(ETH_ALEN, addr) >> 26) & 0x3f;
456}
457
458static void smsc95xx_set_multicast(struct net_device *netdev)
459{
460 struct usbnet *dev = netdev_priv(netdev);
461 struct smsc95xx_priv *pdata = dev->driver_priv;
462 unsigned long flags;
463 int ret;
464
465 pdata->hash_hi = 0;
466 pdata->hash_lo = 0;
467
468 spin_lock_irqsave(&pdata->mac_cr_lock, flags);
469
470 if (dev->net->flags & IFF_PROMISC) {
471 netif_dbg(dev, drv, dev->net, "promiscuous mode enabled\n");
472 pdata->mac_cr |= MAC_CR_PRMS_;
473 pdata->mac_cr &= ~(MAC_CR_MCPAS_ | MAC_CR_HPFILT_);
474 } else if (dev->net->flags & IFF_ALLMULTI) {
475 netif_dbg(dev, drv, dev->net, "receive all multicast enabled\n");
476 pdata->mac_cr |= MAC_CR_MCPAS_;
477 pdata->mac_cr &= ~(MAC_CR_PRMS_ | MAC_CR_HPFILT_);
478 } else if (!netdev_mc_empty(dev->net)) {
479 struct netdev_hw_addr *ha;
480
481 pdata->mac_cr |= MAC_CR_HPFILT_;
482 pdata->mac_cr &= ~(MAC_CR_PRMS_ | MAC_CR_MCPAS_);
483
484 netdev_for_each_mc_addr(ha, netdev) {
485 u32 bitnum = smsc95xx_hash(ha->addr);
486 u32 mask = 0x01 << (bitnum & 0x1F);
487 if (bitnum & 0x20)
488 pdata->hash_hi |= mask;
489 else
490 pdata->hash_lo |= mask;
491 }
492
493 netif_dbg(dev, drv, dev->net, "HASHH=0x%08X, HASHL=0x%08X\n",
494 pdata->hash_hi, pdata->hash_lo);
495 } else {
496 netif_dbg(dev, drv, dev->net, "receive own packets only\n");
497 pdata->mac_cr &=
498 ~(MAC_CR_PRMS_ | MAC_CR_MCPAS_ | MAC_CR_HPFILT_);
499 }
500
501 spin_unlock_irqrestore(&pdata->mac_cr_lock, flags);
502
503
504 ret = smsc95xx_write_reg_async(dev, HASHH, pdata->hash_hi);
505 if (ret < 0)
506 netdev_warn(dev->net, "failed to initiate async write to HASHH\n");
507
508 ret = smsc95xx_write_reg_async(dev, HASHL, pdata->hash_lo);
509 if (ret < 0)
510 netdev_warn(dev->net, "failed to initiate async write to HASHL\n");
511
512 ret = smsc95xx_write_reg_async(dev, MAC_CR, pdata->mac_cr);
513 if (ret < 0)
514 netdev_warn(dev->net, "failed to initiate async write to MAC_CR\n");
515}
516
517static int smsc95xx_phy_update_flowcontrol(struct usbnet *dev)
518{
519 u32 flow = 0, afc_cfg;
520 struct smsc95xx_priv *pdata = dev->driver_priv;
521 bool tx_pause, rx_pause;
522
523 int ret = smsc95xx_read_reg(dev, AFC_CFG, &afc_cfg);
524 if (ret < 0)
525 return ret;
526
527 if (pdata->phydev->duplex == DUPLEX_FULL) {
528 phy_get_pause(pdata->phydev, &tx_pause, &rx_pause);
529
530 if (rx_pause)
531 flow = 0xFFFF0002;
532
533 if (tx_pause) {
534 afc_cfg |= 0xF;
535 flow |= 0xFFFF0000;
536 } else {
537 afc_cfg &= ~0xF;
538 }
539
540 netif_dbg(dev, link, dev->net, "rx pause %s, tx pause %s\n",
541 rx_pause ? "enabled" : "disabled",
542 tx_pause ? "enabled" : "disabled");
543 } else {
544 netif_dbg(dev, link, dev->net, "half duplex\n");
545 afc_cfg |= 0xF;
546 }
547
548 ret = smsc95xx_write_reg(dev, FLOW, flow);
549 if (ret < 0)
550 return ret;
551
552 return smsc95xx_write_reg(dev, AFC_CFG, afc_cfg);
553}
554
555static int smsc95xx_link_reset(struct usbnet *dev)
556{
557 struct smsc95xx_priv *pdata = dev->driver_priv;
558 unsigned long flags;
559 int ret;
560
561 ret = smsc95xx_write_reg(dev, INT_STS, INT_STS_CLEAR_ALL_);
562 if (ret < 0)
563 return ret;
564
565 spin_lock_irqsave(&pdata->mac_cr_lock, flags);
566 if (pdata->phydev->duplex != DUPLEX_FULL) {
567 pdata->mac_cr &= ~MAC_CR_FDPX_;
568 pdata->mac_cr |= MAC_CR_RCVOWN_;
569 } else {
570 pdata->mac_cr &= ~MAC_CR_RCVOWN_;
571 pdata->mac_cr |= MAC_CR_FDPX_;
572 }
573 spin_unlock_irqrestore(&pdata->mac_cr_lock, flags);
574
575 ret = smsc95xx_write_reg(dev, MAC_CR, pdata->mac_cr);
576 if (ret < 0)
577 return ret;
578
579 ret = smsc95xx_phy_update_flowcontrol(dev);
580 if (ret < 0)
581 netdev_warn(dev->net, "Error updating PHY flow control\n");
582
583 return ret;
584}
585
586static void smsc95xx_status(struct usbnet *dev, struct urb *urb)
587{
588 u32 intdata;
589
590 if (urb->actual_length != 4) {
591 netdev_warn(dev->net, "unexpected urb length %d\n",
592 urb->actual_length);
593 return;
594 }
595
596 intdata = get_unaligned_le32(urb->transfer_buffer);
597 netif_dbg(dev, link, dev->net, "intdata: 0x%08X\n", intdata);
598
599 if (intdata & INT_ENP_PHY_INT_)
600 usbnet_defer_kevent(dev, EVENT_LINK_RESET);
601 else
602 netdev_warn(dev->net, "unexpected interrupt, intdata=0x%08X\n",
603 intdata);
604}
605
606
607static int smsc95xx_set_features(struct net_device *netdev,
608 netdev_features_t features)
609{
610 struct usbnet *dev = netdev_priv(netdev);
611 u32 read_buf;
612 int ret;
613
614 ret = smsc95xx_read_reg(dev, COE_CR, &read_buf);
615 if (ret < 0)
616 return ret;
617
618 if (features & NETIF_F_IP_CSUM)
619 read_buf |= Tx_COE_EN_;
620 else
621 read_buf &= ~Tx_COE_EN_;
622
623 if (features & NETIF_F_RXCSUM)
624 read_buf |= Rx_COE_EN_;
625 else
626 read_buf &= ~Rx_COE_EN_;
627
628 ret = smsc95xx_write_reg(dev, COE_CR, read_buf);
629 if (ret < 0)
630 return ret;
631
632 netif_dbg(dev, hw, dev->net, "COE_CR = 0x%08x\n", read_buf);
633 return 0;
634}
635
636static int smsc95xx_ethtool_get_eeprom_len(struct net_device *net)
637{
638 return MAX_EEPROM_SIZE;
639}
640
641static int smsc95xx_ethtool_get_eeprom(struct net_device *netdev,
642 struct ethtool_eeprom *ee, u8 *data)
643{
644 struct usbnet *dev = netdev_priv(netdev);
645
646 ee->magic = LAN95XX_EEPROM_MAGIC;
647
648 return smsc95xx_read_eeprom(dev, ee->offset, ee->len, data);
649}
650
651static int smsc95xx_ethtool_set_eeprom(struct net_device *netdev,
652 struct ethtool_eeprom *ee, u8 *data)
653{
654 struct usbnet *dev = netdev_priv(netdev);
655
656 if (ee->magic != LAN95XX_EEPROM_MAGIC) {
657 netdev_warn(dev->net, "EEPROM: magic value mismatch, magic = 0x%x\n",
658 ee->magic);
659 return -EINVAL;
660 }
661
662 return smsc95xx_write_eeprom(dev, ee->offset, ee->len, data);
663}
664
665static int smsc95xx_ethtool_getregslen(struct net_device *netdev)
666{
667
668 return COE_CR - ID_REV + sizeof(u32);
669}
670
671static void
672smsc95xx_ethtool_getregs(struct net_device *netdev, struct ethtool_regs *regs,
673 void *buf)
674{
675 struct usbnet *dev = netdev_priv(netdev);
676 unsigned int i, j;
677 int retval;
678 u32 *data = buf;
679
680 retval = smsc95xx_read_reg(dev, ID_REV, ®s->version);
681 if (retval < 0) {
682 netdev_warn(netdev, "REGS: cannot read ID_REV\n");
683 return;
684 }
685
686 for (i = ID_REV, j = 0; i <= COE_CR; i += (sizeof(u32)), j++) {
687 retval = smsc95xx_read_reg(dev, i, &data[j]);
688 if (retval < 0) {
689 netdev_warn(netdev, "REGS: cannot read reg[%x]\n", i);
690 return;
691 }
692 }
693}
694
695static void smsc95xx_ethtool_get_wol(struct net_device *net,
696 struct ethtool_wolinfo *wolinfo)
697{
698 struct usbnet *dev = netdev_priv(net);
699 struct smsc95xx_priv *pdata = dev->driver_priv;
700
701 wolinfo->supported = SUPPORTED_WAKE;
702 wolinfo->wolopts = pdata->wolopts;
703}
704
705static int smsc95xx_ethtool_set_wol(struct net_device *net,
706 struct ethtool_wolinfo *wolinfo)
707{
708 struct usbnet *dev = netdev_priv(net);
709 struct smsc95xx_priv *pdata = dev->driver_priv;
710 int ret;
711
712 if (wolinfo->wolopts & ~SUPPORTED_WAKE)
713 return -EINVAL;
714
715 pdata->wolopts = wolinfo->wolopts & SUPPORTED_WAKE;
716
717 ret = device_set_wakeup_enable(&dev->udev->dev, pdata->wolopts);
718 if (ret < 0)
719 netdev_warn(dev->net, "device_set_wakeup_enable error %d\n", ret);
720
721 return ret;
722}
723
724static u32 smsc95xx_get_link(struct net_device *net)
725{
726 phy_read_status(net->phydev);
727 return net->phydev->link;
728}
729
730static const struct ethtool_ops smsc95xx_ethtool_ops = {
731 .get_link = smsc95xx_get_link,
732 .nway_reset = phy_ethtool_nway_reset,
733 .get_drvinfo = usbnet_get_drvinfo,
734 .get_msglevel = usbnet_get_msglevel,
735 .set_msglevel = usbnet_set_msglevel,
736 .get_eeprom_len = smsc95xx_ethtool_get_eeprom_len,
737 .get_eeprom = smsc95xx_ethtool_get_eeprom,
738 .set_eeprom = smsc95xx_ethtool_set_eeprom,
739 .get_regs_len = smsc95xx_ethtool_getregslen,
740 .get_regs = smsc95xx_ethtool_getregs,
741 .get_wol = smsc95xx_ethtool_get_wol,
742 .set_wol = smsc95xx_ethtool_set_wol,
743 .get_link_ksettings = phy_ethtool_get_link_ksettings,
744 .set_link_ksettings = phy_ethtool_set_link_ksettings,
745 .get_ts_info = ethtool_op_get_ts_info,
746};
747
748static int smsc95xx_ioctl(struct net_device *netdev, struct ifreq *rq, int cmd)
749{
750 if (!netif_running(netdev))
751 return -EINVAL;
752
753 return phy_mii_ioctl(netdev->phydev, rq, cmd);
754}
755
756static void smsc95xx_init_mac_address(struct usbnet *dev)
757{
758 u8 addr[ETH_ALEN];
759
760
761 if (!platform_get_ethdev_address(&dev->udev->dev, dev->net)) {
762 if (is_valid_ether_addr(dev->net->dev_addr)) {
763
764 netif_dbg(dev, ifup, dev->net, "MAC address read from the device tree\n");
765 return;
766 }
767 }
768
769
770 if (smsc95xx_read_eeprom(dev, EEPROM_MAC_OFFSET, ETH_ALEN, addr) == 0) {
771 eth_hw_addr_set(dev->net, addr);
772 if (is_valid_ether_addr(dev->net->dev_addr)) {
773
774 netif_dbg(dev, ifup, dev->net, "MAC address read from EEPROM\n");
775 return;
776 }
777 }
778
779
780 eth_hw_addr_random(dev->net);
781 netif_dbg(dev, ifup, dev->net, "MAC address set to eth_random_addr\n");
782}
783
784static int smsc95xx_set_mac_address(struct usbnet *dev)
785{
786 u32 addr_lo = dev->net->dev_addr[0] | dev->net->dev_addr[1] << 8 |
787 dev->net->dev_addr[2] << 16 | dev->net->dev_addr[3] << 24;
788 u32 addr_hi = dev->net->dev_addr[4] | dev->net->dev_addr[5] << 8;
789 int ret;
790
791 ret = smsc95xx_write_reg(dev, ADDRL, addr_lo);
792 if (ret < 0)
793 return ret;
794
795 return smsc95xx_write_reg(dev, ADDRH, addr_hi);
796}
797
798
799static int smsc95xx_start_tx_path(struct usbnet *dev)
800{
801 struct smsc95xx_priv *pdata = dev->driver_priv;
802 unsigned long flags;
803 int ret;
804
805
806 spin_lock_irqsave(&pdata->mac_cr_lock, flags);
807 pdata->mac_cr |= MAC_CR_TXEN_;
808 spin_unlock_irqrestore(&pdata->mac_cr_lock, flags);
809
810 ret = smsc95xx_write_reg(dev, MAC_CR, pdata->mac_cr);
811 if (ret < 0)
812 return ret;
813
814
815 return smsc95xx_write_reg(dev, TX_CFG, TX_CFG_ON_);
816}
817
818
819static int smsc95xx_start_rx_path(struct usbnet *dev, int in_pm)
820{
821 struct smsc95xx_priv *pdata = dev->driver_priv;
822 unsigned long flags;
823
824 spin_lock_irqsave(&pdata->mac_cr_lock, flags);
825 pdata->mac_cr |= MAC_CR_RXEN_;
826 spin_unlock_irqrestore(&pdata->mac_cr_lock, flags);
827
828 return __smsc95xx_write_reg(dev, MAC_CR, pdata->mac_cr, in_pm);
829}
830
831static int smsc95xx_reset(struct usbnet *dev)
832{
833 struct smsc95xx_priv *pdata = dev->driver_priv;
834 u32 read_buf, write_buf, burst_cap;
835 int ret = 0, timeout;
836
837 netif_dbg(dev, ifup, dev->net, "entering smsc95xx_reset\n");
838
839 ret = smsc95xx_write_reg(dev, HW_CFG, HW_CFG_LRST_);
840 if (ret < 0)
841 return ret;
842
843 timeout = 0;
844 do {
845 msleep(10);
846 ret = smsc95xx_read_reg(dev, HW_CFG, &read_buf);
847 if (ret < 0)
848 return ret;
849 timeout++;
850 } while ((read_buf & HW_CFG_LRST_) && (timeout < 100));
851
852 if (timeout >= 100) {
853 netdev_warn(dev->net, "timeout waiting for completion of Lite Reset\n");
854 return ret;
855 }
856
857 ret = smsc95xx_write_reg(dev, PM_CTRL, PM_CTL_PHY_RST_);
858 if (ret < 0)
859 return ret;
860
861 timeout = 0;
862 do {
863 msleep(10);
864 ret = smsc95xx_read_reg(dev, PM_CTRL, &read_buf);
865 if (ret < 0)
866 return ret;
867 timeout++;
868 } while ((read_buf & PM_CTL_PHY_RST_) && (timeout < 100));
869
870 if (timeout >= 100) {
871 netdev_warn(dev->net, "timeout waiting for PHY Reset\n");
872 return ret;
873 }
874
875 ret = smsc95xx_set_mac_address(dev);
876 if (ret < 0)
877 return ret;
878
879 netif_dbg(dev, ifup, dev->net, "MAC Address: %pM\n",
880 dev->net->dev_addr);
881
882 ret = smsc95xx_read_reg(dev, HW_CFG, &read_buf);
883 if (ret < 0)
884 return ret;
885
886 netif_dbg(dev, ifup, dev->net, "Read Value from HW_CFG : 0x%08x\n",
887 read_buf);
888
889 read_buf |= HW_CFG_BIR_;
890
891 ret = smsc95xx_write_reg(dev, HW_CFG, read_buf);
892 if (ret < 0)
893 return ret;
894
895 ret = smsc95xx_read_reg(dev, HW_CFG, &read_buf);
896 if (ret < 0)
897 return ret;
898
899 netif_dbg(dev, ifup, dev->net,
900 "Read Value from HW_CFG after writing HW_CFG_BIR_: 0x%08x\n",
901 read_buf);
902
903 if (!turbo_mode) {
904 burst_cap = 0;
905 dev->rx_urb_size = MAX_SINGLE_PACKET_SIZE;
906 } else if (dev->udev->speed == USB_SPEED_HIGH) {
907 burst_cap = DEFAULT_HS_BURST_CAP_SIZE / HS_USB_PKT_SIZE;
908 dev->rx_urb_size = DEFAULT_HS_BURST_CAP_SIZE;
909 } else {
910 burst_cap = DEFAULT_FS_BURST_CAP_SIZE / FS_USB_PKT_SIZE;
911 dev->rx_urb_size = DEFAULT_FS_BURST_CAP_SIZE;
912 }
913
914 netif_dbg(dev, ifup, dev->net, "rx_urb_size=%ld\n",
915 (ulong)dev->rx_urb_size);
916
917 ret = smsc95xx_write_reg(dev, BURST_CAP, burst_cap);
918 if (ret < 0)
919 return ret;
920
921 ret = smsc95xx_read_reg(dev, BURST_CAP, &read_buf);
922 if (ret < 0)
923 return ret;
924
925 netif_dbg(dev, ifup, dev->net,
926 "Read Value from BURST_CAP after writing: 0x%08x\n",
927 read_buf);
928
929 ret = smsc95xx_write_reg(dev, BULK_IN_DLY, DEFAULT_BULK_IN_DELAY);
930 if (ret < 0)
931 return ret;
932
933 ret = smsc95xx_read_reg(dev, BULK_IN_DLY, &read_buf);
934 if (ret < 0)
935 return ret;
936
937 netif_dbg(dev, ifup, dev->net,
938 "Read Value from BULK_IN_DLY after writing: 0x%08x\n",
939 read_buf);
940
941 ret = smsc95xx_read_reg(dev, HW_CFG, &read_buf);
942 if (ret < 0)
943 return ret;
944
945 netif_dbg(dev, ifup, dev->net, "Read Value from HW_CFG: 0x%08x\n",
946 read_buf);
947
948 if (turbo_mode)
949 read_buf |= (HW_CFG_MEF_ | HW_CFG_BCE_);
950
951 read_buf &= ~HW_CFG_RXDOFF_;
952
953
954 read_buf |= NET_IP_ALIGN << 9;
955
956 ret = smsc95xx_write_reg(dev, HW_CFG, read_buf);
957 if (ret < 0)
958 return ret;
959
960 ret = smsc95xx_read_reg(dev, HW_CFG, &read_buf);
961 if (ret < 0)
962 return ret;
963
964 netif_dbg(dev, ifup, dev->net,
965 "Read Value from HW_CFG after writing: 0x%08x\n", read_buf);
966
967 ret = smsc95xx_write_reg(dev, INT_STS, INT_STS_CLEAR_ALL_);
968 if (ret < 0)
969 return ret;
970
971 ret = smsc95xx_read_reg(dev, ID_REV, &read_buf);
972 if (ret < 0)
973 return ret;
974 netif_dbg(dev, ifup, dev->net, "ID_REV = 0x%08x\n", read_buf);
975
976
977 write_buf = LED_GPIO_CFG_SPD_LED | LED_GPIO_CFG_LNK_LED |
978 LED_GPIO_CFG_FDX_LED;
979 ret = smsc95xx_write_reg(dev, LED_GPIO_CFG, write_buf);
980 if (ret < 0)
981 return ret;
982
983
984 ret = smsc95xx_write_reg(dev, FLOW, 0);
985 if (ret < 0)
986 return ret;
987
988 ret = smsc95xx_write_reg(dev, AFC_CFG, AFC_CFG_DEFAULT);
989 if (ret < 0)
990 return ret;
991
992
993 ret = smsc95xx_read_reg(dev, MAC_CR, &pdata->mac_cr);
994 if (ret < 0)
995 return ret;
996
997
998
999 ret = smsc95xx_write_reg(dev, VLAN1, (u32)ETH_P_8021Q);
1000 if (ret < 0)
1001 return ret;
1002
1003
1004 ret = smsc95xx_set_features(dev->net, dev->net->features);
1005 if (ret < 0) {
1006 netdev_warn(dev->net, "Failed to set checksum offload features\n");
1007 return ret;
1008 }
1009
1010 smsc95xx_set_multicast(dev->net);
1011
1012 ret = smsc95xx_read_reg(dev, INT_EP_CTL, &read_buf);
1013 if (ret < 0)
1014 return ret;
1015
1016
1017 read_buf |= INT_EP_CTL_PHY_INT_;
1018
1019 ret = smsc95xx_write_reg(dev, INT_EP_CTL, read_buf);
1020 if (ret < 0)
1021 return ret;
1022
1023 ret = smsc95xx_start_tx_path(dev);
1024 if (ret < 0) {
1025 netdev_warn(dev->net, "Failed to start TX path\n");
1026 return ret;
1027 }
1028
1029 ret = smsc95xx_start_rx_path(dev, 0);
1030 if (ret < 0) {
1031 netdev_warn(dev->net, "Failed to start RX path\n");
1032 return ret;
1033 }
1034
1035 netif_dbg(dev, ifup, dev->net, "smsc95xx_reset, return 0\n");
1036 return 0;
1037}
1038
1039static const struct net_device_ops smsc95xx_netdev_ops = {
1040 .ndo_open = usbnet_open,
1041 .ndo_stop = usbnet_stop,
1042 .ndo_start_xmit = usbnet_start_xmit,
1043 .ndo_tx_timeout = usbnet_tx_timeout,
1044 .ndo_change_mtu = usbnet_change_mtu,
1045 .ndo_get_stats64 = dev_get_tstats64,
1046 .ndo_set_mac_address = eth_mac_addr,
1047 .ndo_validate_addr = eth_validate_addr,
1048 .ndo_eth_ioctl = smsc95xx_ioctl,
1049 .ndo_set_rx_mode = smsc95xx_set_multicast,
1050 .ndo_set_features = smsc95xx_set_features,
1051};
1052
1053static void smsc95xx_handle_link_change(struct net_device *net)
1054{
1055 struct usbnet *dev = netdev_priv(net);
1056
1057 phy_print_status(net->phydev);
1058 usbnet_defer_kevent(dev, EVENT_LINK_CHANGE);
1059}
1060
1061static int smsc95xx_bind(struct usbnet *dev, struct usb_interface *intf)
1062{
1063 struct smsc95xx_priv *pdata;
1064 bool is_internal_phy;
1065 u32 val;
1066 int ret;
1067
1068 printk(KERN_INFO SMSC_CHIPNAME " v" SMSC_DRIVER_VERSION "\n");
1069
1070 ret = usbnet_get_endpoints(dev, intf);
1071 if (ret < 0) {
1072 netdev_warn(dev->net, "usbnet_get_endpoints failed: %d\n", ret);
1073 return ret;
1074 }
1075
1076 pdata = kzalloc(sizeof(*pdata), GFP_KERNEL);
1077 if (!pdata)
1078 return -ENOMEM;
1079
1080 dev->driver_priv = pdata;
1081
1082 spin_lock_init(&pdata->mac_cr_lock);
1083
1084
1085
1086
1087
1088
1089
1090
1091 if (DEFAULT_TX_CSUM_ENABLE)
1092 dev->net->features |= NETIF_F_IP_CSUM;
1093 if (DEFAULT_RX_CSUM_ENABLE)
1094 dev->net->features |= NETIF_F_RXCSUM;
1095
1096 dev->net->hw_features = NETIF_F_IP_CSUM | NETIF_F_RXCSUM;
1097 set_bit(EVENT_NO_IP_ALIGN, &dev->flags);
1098
1099 smsc95xx_init_mac_address(dev);
1100
1101
1102 ret = smsc95xx_reset(dev);
1103 if (ret)
1104 goto free_pdata;
1105
1106 pdata->mdiobus = mdiobus_alloc();
1107 if (!pdata->mdiobus) {
1108 ret = -ENOMEM;
1109 goto free_pdata;
1110 }
1111
1112 ret = smsc95xx_read_reg(dev, HW_CFG, &val);
1113 if (ret < 0)
1114 goto free_mdio;
1115
1116 is_internal_phy = !(val & HW_CFG_PSEL_);
1117 if (is_internal_phy)
1118 pdata->mdiobus->phy_mask = ~(1u << SMSC95XX_INTERNAL_PHY_ID);
1119
1120 pdata->mdiobus->priv = dev;
1121 pdata->mdiobus->read = smsc95xx_mdiobus_read;
1122 pdata->mdiobus->write = smsc95xx_mdiobus_write;
1123 pdata->mdiobus->name = "smsc95xx-mdiobus";
1124 pdata->mdiobus->parent = &dev->udev->dev;
1125
1126 snprintf(pdata->mdiobus->id, ARRAY_SIZE(pdata->mdiobus->id),
1127 "usb-%03d:%03d", dev->udev->bus->busnum, dev->udev->devnum);
1128
1129 ret = mdiobus_register(pdata->mdiobus);
1130 if (ret) {
1131 netdev_err(dev->net, "Could not register MDIO bus\n");
1132 goto free_mdio;
1133 }
1134
1135 pdata->phydev = phy_find_first(pdata->mdiobus);
1136 if (!pdata->phydev) {
1137 netdev_err(dev->net, "no PHY found\n");
1138 ret = -ENODEV;
1139 goto unregister_mdio;
1140 }
1141
1142 pdata->phydev->is_internal = is_internal_phy;
1143
1144
1145 ret = smsc95xx_read_reg(dev, ID_REV, &val);
1146 if (ret < 0)
1147 goto unregister_mdio;
1148
1149 val >>= 16;
1150 if ((val == ID_REV_CHIP_ID_9500A_) || (val == ID_REV_CHIP_ID_9530_) ||
1151 (val == ID_REV_CHIP_ID_89530_) || (val == ID_REV_CHIP_ID_9730_))
1152 pdata->features = (FEATURE_8_WAKEUP_FILTERS |
1153 FEATURE_PHY_NLP_CROSSOVER |
1154 FEATURE_REMOTE_WAKEUP);
1155 else if (val == ID_REV_CHIP_ID_9512_)
1156 pdata->features = FEATURE_8_WAKEUP_FILTERS;
1157
1158 dev->net->netdev_ops = &smsc95xx_netdev_ops;
1159 dev->net->ethtool_ops = &smsc95xx_ethtool_ops;
1160 dev->net->flags |= IFF_MULTICAST;
1161 dev->net->hard_header_len += SMSC95XX_TX_OVERHEAD_CSUM;
1162 dev->net->min_mtu = ETH_MIN_MTU;
1163 dev->net->max_mtu = ETH_DATA_LEN;
1164 dev->hard_mtu = dev->net->mtu + dev->net->hard_header_len;
1165
1166 ret = phy_connect_direct(dev->net, pdata->phydev,
1167 &smsc95xx_handle_link_change,
1168 PHY_INTERFACE_MODE_MII);
1169 if (ret) {
1170 netdev_err(dev->net, "can't attach PHY to %s\n", pdata->mdiobus->id);
1171 goto unregister_mdio;
1172 }
1173
1174 phy_attached_info(dev->net->phydev);
1175
1176 return 0;
1177
1178unregister_mdio:
1179 mdiobus_unregister(pdata->mdiobus);
1180
1181free_mdio:
1182 mdiobus_free(pdata->mdiobus);
1183
1184free_pdata:
1185 kfree(pdata);
1186 return ret;
1187}
1188
1189static void smsc95xx_unbind(struct usbnet *dev, struct usb_interface *intf)
1190{
1191 struct smsc95xx_priv *pdata = dev->driver_priv;
1192
1193 phy_disconnect(dev->net->phydev);
1194 mdiobus_unregister(pdata->mdiobus);
1195 mdiobus_free(pdata->mdiobus);
1196 netif_dbg(dev, ifdown, dev->net, "free pdata\n");
1197 kfree(pdata);
1198}
1199
1200static int smsc95xx_start_phy(struct usbnet *dev)
1201{
1202 phy_start(dev->net->phydev);
1203
1204 return 0;
1205}
1206
1207static int smsc95xx_stop(struct usbnet *dev)
1208{
1209 if (dev->net->phydev)
1210 phy_stop(dev->net->phydev);
1211
1212 return 0;
1213}
1214
1215static u32 smsc_crc(const u8 *buffer, size_t len, int filter)
1216{
1217 u32 crc = bitrev16(crc16(0xFFFF, buffer, len));
1218 return crc << ((filter % 2) * 16);
1219}
1220
1221static int smsc95xx_enable_phy_wakeup_interrupts(struct usbnet *dev, u16 mask)
1222{
1223 int ret;
1224
1225 netdev_dbg(dev->net, "enabling PHY wakeup interrupts\n");
1226
1227
1228 ret = smsc95xx_mdio_read_nopm(dev, PHY_INT_SRC);
1229 if (ret < 0)
1230 return ret;
1231
1232
1233 ret = smsc95xx_mdio_read_nopm(dev, PHY_INT_MASK);
1234 if (ret < 0)
1235 return ret;
1236
1237 ret |= mask;
1238
1239 smsc95xx_mdio_write_nopm(dev, PHY_INT_MASK, ret);
1240
1241 return 0;
1242}
1243
1244static int smsc95xx_link_ok_nopm(struct usbnet *dev)
1245{
1246 int ret;
1247
1248
1249 ret = smsc95xx_mdio_read_nopm(dev, MII_BMSR);
1250 if (ret < 0)
1251 return ret;
1252
1253 ret = smsc95xx_mdio_read_nopm(dev, MII_BMSR);
1254 if (ret < 0)
1255 return ret;
1256
1257 return !!(ret & BMSR_LSTATUS);
1258}
1259
1260static int smsc95xx_enter_suspend0(struct usbnet *dev)
1261{
1262 struct smsc95xx_priv *pdata = dev->driver_priv;
1263 u32 val;
1264 int ret;
1265
1266 ret = smsc95xx_read_reg_nopm(dev, PM_CTRL, &val);
1267 if (ret < 0)
1268 return ret;
1269
1270 val &= (~(PM_CTL_SUS_MODE_ | PM_CTL_WUPS_ | PM_CTL_PHY_RST_));
1271 val |= PM_CTL_SUS_MODE_0;
1272
1273 ret = smsc95xx_write_reg_nopm(dev, PM_CTRL, val);
1274 if (ret < 0)
1275 return ret;
1276
1277
1278 val &= ~PM_CTL_WUPS_;
1279 val |= PM_CTL_WUPS_WOL_;
1280
1281
1282 if (pdata->wolopts & WAKE_PHY)
1283 val |= PM_CTL_WUPS_ED_;
1284
1285 ret = smsc95xx_write_reg_nopm(dev, PM_CTRL, val);
1286 if (ret < 0)
1287 return ret;
1288
1289
1290 ret = smsc95xx_read_reg_nopm(dev, PM_CTRL, &val);
1291 if (ret < 0)
1292 return ret;
1293
1294 pdata->suspend_flags |= SUSPEND_SUSPEND0;
1295
1296 return 0;
1297}
1298
1299static int smsc95xx_enter_suspend1(struct usbnet *dev)
1300{
1301 struct smsc95xx_priv *pdata = dev->driver_priv;
1302 u32 val;
1303 int ret;
1304
1305
1306
1307
1308 if (pdata->features & FEATURE_PHY_NLP_CROSSOVER)
1309 smsc95xx_mdio_write_nopm(dev, PHY_EDPD_CONFIG,
1310 PHY_EDPD_CONFIG_DEFAULT);
1311
1312
1313 ret = smsc95xx_mdio_read_nopm(dev, PHY_MODE_CTRL_STS);
1314 if (ret < 0)
1315 return ret;
1316
1317 ret |= MODE_CTRL_STS_EDPWRDOWN_;
1318
1319 smsc95xx_mdio_write_nopm(dev, PHY_MODE_CTRL_STS, ret);
1320
1321
1322 ret = smsc95xx_read_reg_nopm(dev, PM_CTRL, &val);
1323 if (ret < 0)
1324 return ret;
1325
1326 val &= ~(PM_CTL_SUS_MODE_ | PM_CTL_WUPS_ | PM_CTL_PHY_RST_);
1327 val |= PM_CTL_SUS_MODE_1;
1328
1329 ret = smsc95xx_write_reg_nopm(dev, PM_CTRL, val);
1330 if (ret < 0)
1331 return ret;
1332
1333
1334 val &= ~PM_CTL_WUPS_;
1335 val |= (PM_CTL_WUPS_ED_ | PM_CTL_ED_EN_);
1336
1337 ret = smsc95xx_write_reg_nopm(dev, PM_CTRL, val);
1338 if (ret < 0)
1339 return ret;
1340
1341 pdata->suspend_flags |= SUSPEND_SUSPEND1;
1342
1343 return 0;
1344}
1345
1346static int smsc95xx_enter_suspend2(struct usbnet *dev)
1347{
1348 struct smsc95xx_priv *pdata = dev->driver_priv;
1349 u32 val;
1350 int ret;
1351
1352 ret = smsc95xx_read_reg_nopm(dev, PM_CTRL, &val);
1353 if (ret < 0)
1354 return ret;
1355
1356 val &= ~(PM_CTL_SUS_MODE_ | PM_CTL_WUPS_ | PM_CTL_PHY_RST_);
1357 val |= PM_CTL_SUS_MODE_2;
1358
1359 ret = smsc95xx_write_reg_nopm(dev, PM_CTRL, val);
1360 if (ret < 0)
1361 return ret;
1362
1363 pdata->suspend_flags |= SUSPEND_SUSPEND2;
1364
1365 return 0;
1366}
1367
1368static int smsc95xx_enter_suspend3(struct usbnet *dev)
1369{
1370 struct smsc95xx_priv *pdata = dev->driver_priv;
1371 u32 val;
1372 int ret;
1373
1374 ret = smsc95xx_read_reg_nopm(dev, RX_FIFO_INF, &val);
1375 if (ret < 0)
1376 return ret;
1377
1378 if (val & RX_FIFO_INF_USED_) {
1379 netdev_info(dev->net, "rx fifo not empty in autosuspend\n");
1380 return -EBUSY;
1381 }
1382
1383 ret = smsc95xx_read_reg_nopm(dev, PM_CTRL, &val);
1384 if (ret < 0)
1385 return ret;
1386
1387 val &= ~(PM_CTL_SUS_MODE_ | PM_CTL_WUPS_ | PM_CTL_PHY_RST_);
1388 val |= PM_CTL_SUS_MODE_3 | PM_CTL_RES_CLR_WKP_STS;
1389
1390 ret = smsc95xx_write_reg_nopm(dev, PM_CTRL, val);
1391 if (ret < 0)
1392 return ret;
1393
1394
1395 val &= ~PM_CTL_WUPS_;
1396 val |= PM_CTL_WUPS_WOL_;
1397
1398 ret = smsc95xx_write_reg_nopm(dev, PM_CTRL, val);
1399 if (ret < 0)
1400 return ret;
1401
1402 pdata->suspend_flags |= SUSPEND_SUSPEND3;
1403
1404 return 0;
1405}
1406
1407static int smsc95xx_autosuspend(struct usbnet *dev, u32 link_up)
1408{
1409 struct smsc95xx_priv *pdata = dev->driver_priv;
1410 int ret;
1411
1412 if (!netif_running(dev->net)) {
1413
1414 netdev_dbg(dev->net, "autosuspend entering SUSPEND2\n");
1415 return smsc95xx_enter_suspend2(dev);
1416 }
1417
1418 if (!link_up) {
1419
1420
1421
1422
1423 if (!(pdata->features & FEATURE_PHY_NLP_CROSSOVER)) {
1424 netdev_warn(dev->net, "EDPD not supported\n");
1425 return -EBUSY;
1426 }
1427
1428 netdev_dbg(dev->net, "autosuspend entering SUSPEND1\n");
1429
1430
1431 ret = smsc95xx_enable_phy_wakeup_interrupts(dev,
1432 PHY_INT_MASK_ANEG_COMP_);
1433 if (ret < 0) {
1434 netdev_warn(dev->net, "error enabling PHY wakeup ints\n");
1435 return ret;
1436 }
1437
1438 netdev_info(dev->net, "entering SUSPEND1 mode\n");
1439 return smsc95xx_enter_suspend1(dev);
1440 }
1441
1442
1443 ret = smsc95xx_enable_phy_wakeup_interrupts(dev,
1444 PHY_INT_MASK_LINK_DOWN_);
1445 if (ret < 0) {
1446 netdev_warn(dev->net, "error enabling PHY wakeup ints\n");
1447 return ret;
1448 }
1449
1450 netdev_dbg(dev->net, "autosuspend entering SUSPEND3\n");
1451 return smsc95xx_enter_suspend3(dev);
1452}
1453
1454static int smsc95xx_suspend(struct usb_interface *intf, pm_message_t message)
1455{
1456 struct usbnet *dev = usb_get_intfdata(intf);
1457 struct smsc95xx_priv *pdata = dev->driver_priv;
1458 u32 val, link_up;
1459 int ret;
1460
1461 ret = usbnet_suspend(intf, message);
1462 if (ret < 0) {
1463 netdev_warn(dev->net, "usbnet_suspend error\n");
1464 return ret;
1465 }
1466
1467 if (pdata->suspend_flags) {
1468 netdev_warn(dev->net, "error during last resume\n");
1469 pdata->suspend_flags = 0;
1470 }
1471
1472
1473 link_up = smsc95xx_link_ok_nopm(dev);
1474
1475 if (message.event == PM_EVENT_AUTO_SUSPEND &&
1476 (pdata->features & FEATURE_REMOTE_WAKEUP)) {
1477 ret = smsc95xx_autosuspend(dev, link_up);
1478 goto done;
1479 }
1480
1481
1482
1483
1484
1485 if (!(pdata->wolopts & SUPPORTED_WAKE) ||
1486 !(link_up || (pdata->wolopts & WAKE_PHY))) {
1487 netdev_info(dev->net, "entering SUSPEND2 mode\n");
1488
1489
1490 ret = smsc95xx_read_reg_nopm(dev, WUCSR, &val);
1491 if (ret < 0)
1492 goto done;
1493
1494 val &= ~(WUCSR_MPEN_ | WUCSR_WAKE_EN_);
1495
1496 ret = smsc95xx_write_reg_nopm(dev, WUCSR, val);
1497 if (ret < 0)
1498 goto done;
1499
1500 ret = smsc95xx_read_reg_nopm(dev, PM_CTRL, &val);
1501 if (ret < 0)
1502 goto done;
1503
1504 val &= ~(PM_CTL_ED_EN_ | PM_CTL_WOL_EN_);
1505
1506 ret = smsc95xx_write_reg_nopm(dev, PM_CTRL, val);
1507 if (ret < 0)
1508 goto done;
1509
1510 ret = smsc95xx_enter_suspend2(dev);
1511 goto done;
1512 }
1513
1514 if (pdata->wolopts & WAKE_PHY) {
1515 ret = smsc95xx_enable_phy_wakeup_interrupts(dev,
1516 (PHY_INT_MASK_ANEG_COMP_ | PHY_INT_MASK_LINK_DOWN_));
1517 if (ret < 0) {
1518 netdev_warn(dev->net, "error enabling PHY wakeup ints\n");
1519 goto done;
1520 }
1521
1522
1523
1524
1525 if (!link_up) {
1526 netdev_info(dev->net, "entering SUSPEND1 mode\n");
1527 ret = smsc95xx_enter_suspend1(dev);
1528 goto done;
1529 }
1530 }
1531
1532 if (pdata->wolopts & (WAKE_BCAST | WAKE_MCAST | WAKE_ARP | WAKE_UCAST)) {
1533 u32 *filter_mask = kcalloc(32, sizeof(u32), GFP_KERNEL);
1534 u32 command[2];
1535 u32 offset[2];
1536 u32 crc[4];
1537 int wuff_filter_count =
1538 (pdata->features & FEATURE_8_WAKEUP_FILTERS) ?
1539 LAN9500A_WUFF_NUM : LAN9500_WUFF_NUM;
1540 int i, filter = 0;
1541
1542 if (!filter_mask) {
1543 netdev_warn(dev->net, "Unable to allocate filter_mask\n");
1544 ret = -ENOMEM;
1545 goto done;
1546 }
1547
1548 memset(command, 0, sizeof(command));
1549 memset(offset, 0, sizeof(offset));
1550 memset(crc, 0, sizeof(crc));
1551
1552 if (pdata->wolopts & WAKE_BCAST) {
1553 const u8 bcast[] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
1554 netdev_info(dev->net, "enabling broadcast detection\n");
1555 filter_mask[filter * 4] = 0x003F;
1556 filter_mask[filter * 4 + 1] = 0x00;
1557 filter_mask[filter * 4 + 2] = 0x00;
1558 filter_mask[filter * 4 + 3] = 0x00;
1559 command[filter/4] |= 0x05UL << ((filter % 4) * 8);
1560 offset[filter/4] |= 0x00 << ((filter % 4) * 8);
1561 crc[filter/2] |= smsc_crc(bcast, 6, filter);
1562 filter++;
1563 }
1564
1565 if (pdata->wolopts & WAKE_MCAST) {
1566 const u8 mcast[] = {0x01, 0x00, 0x5E};
1567 netdev_info(dev->net, "enabling multicast detection\n");
1568 filter_mask[filter * 4] = 0x0007;
1569 filter_mask[filter * 4 + 1] = 0x00;
1570 filter_mask[filter * 4 + 2] = 0x00;
1571 filter_mask[filter * 4 + 3] = 0x00;
1572 command[filter/4] |= 0x09UL << ((filter % 4) * 8);
1573 offset[filter/4] |= 0x00 << ((filter % 4) * 8);
1574 crc[filter/2] |= smsc_crc(mcast, 3, filter);
1575 filter++;
1576 }
1577
1578 if (pdata->wolopts & WAKE_ARP) {
1579 const u8 arp[] = {0x08, 0x06};
1580 netdev_info(dev->net, "enabling ARP detection\n");
1581 filter_mask[filter * 4] = 0x0003;
1582 filter_mask[filter * 4 + 1] = 0x00;
1583 filter_mask[filter * 4 + 2] = 0x00;
1584 filter_mask[filter * 4 + 3] = 0x00;
1585 command[filter/4] |= 0x05UL << ((filter % 4) * 8);
1586 offset[filter/4] |= 0x0C << ((filter % 4) * 8);
1587 crc[filter/2] |= smsc_crc(arp, 2, filter);
1588 filter++;
1589 }
1590
1591 if (pdata->wolopts & WAKE_UCAST) {
1592 netdev_info(dev->net, "enabling unicast detection\n");
1593 filter_mask[filter * 4] = 0x003F;
1594 filter_mask[filter * 4 + 1] = 0x00;
1595 filter_mask[filter * 4 + 2] = 0x00;
1596 filter_mask[filter * 4 + 3] = 0x00;
1597 command[filter/4] |= 0x01UL << ((filter % 4) * 8);
1598 offset[filter/4] |= 0x00 << ((filter % 4) * 8);
1599 crc[filter/2] |= smsc_crc(dev->net->dev_addr, ETH_ALEN, filter);
1600 filter++;
1601 }
1602
1603 for (i = 0; i < (wuff_filter_count * 4); i++) {
1604 ret = smsc95xx_write_reg_nopm(dev, WUFF, filter_mask[i]);
1605 if (ret < 0) {
1606 kfree(filter_mask);
1607 goto done;
1608 }
1609 }
1610 kfree(filter_mask);
1611
1612 for (i = 0; i < (wuff_filter_count / 4); i++) {
1613 ret = smsc95xx_write_reg_nopm(dev, WUFF, command[i]);
1614 if (ret < 0)
1615 goto done;
1616 }
1617
1618 for (i = 0; i < (wuff_filter_count / 4); i++) {
1619 ret = smsc95xx_write_reg_nopm(dev, WUFF, offset[i]);
1620 if (ret < 0)
1621 goto done;
1622 }
1623
1624 for (i = 0; i < (wuff_filter_count / 2); i++) {
1625 ret = smsc95xx_write_reg_nopm(dev, WUFF, crc[i]);
1626 if (ret < 0)
1627 goto done;
1628 }
1629
1630
1631 ret = smsc95xx_read_reg_nopm(dev, WUCSR, &val);
1632 if (ret < 0)
1633 goto done;
1634
1635 val |= WUCSR_WUFR_;
1636
1637 ret = smsc95xx_write_reg_nopm(dev, WUCSR, val);
1638 if (ret < 0)
1639 goto done;
1640 }
1641
1642 if (pdata->wolopts & WAKE_MAGIC) {
1643
1644 ret = smsc95xx_read_reg_nopm(dev, WUCSR, &val);
1645 if (ret < 0)
1646 goto done;
1647
1648 val |= WUCSR_MPR_;
1649
1650 ret = smsc95xx_write_reg_nopm(dev, WUCSR, val);
1651 if (ret < 0)
1652 goto done;
1653 }
1654
1655
1656 ret = smsc95xx_read_reg_nopm(dev, WUCSR, &val);
1657 if (ret < 0)
1658 goto done;
1659
1660 if (pdata->wolopts & (WAKE_BCAST | WAKE_MCAST | WAKE_ARP | WAKE_UCAST)) {
1661 netdev_info(dev->net, "enabling pattern match wakeup\n");
1662 val |= WUCSR_WAKE_EN_;
1663 } else {
1664 netdev_info(dev->net, "disabling pattern match wakeup\n");
1665 val &= ~WUCSR_WAKE_EN_;
1666 }
1667
1668 if (pdata->wolopts & WAKE_MAGIC) {
1669 netdev_info(dev->net, "enabling magic packet wakeup\n");
1670 val |= WUCSR_MPEN_;
1671 } else {
1672 netdev_info(dev->net, "disabling magic packet wakeup\n");
1673 val &= ~WUCSR_MPEN_;
1674 }
1675
1676 ret = smsc95xx_write_reg_nopm(dev, WUCSR, val);
1677 if (ret < 0)
1678 goto done;
1679
1680
1681 ret = smsc95xx_read_reg_nopm(dev, PM_CTRL, &val);
1682 if (ret < 0)
1683 goto done;
1684
1685 val |= PM_CTL_WOL_EN_;
1686
1687
1688 if (pdata->wolopts & WAKE_PHY)
1689 val |= PM_CTL_ED_EN_;
1690
1691 ret = smsc95xx_write_reg_nopm(dev, PM_CTRL, val);
1692 if (ret < 0)
1693 goto done;
1694
1695
1696 smsc95xx_start_rx_path(dev, 1);
1697
1698
1699 netdev_info(dev->net, "entering SUSPEND0 mode\n");
1700 ret = smsc95xx_enter_suspend0(dev);
1701
1702done:
1703
1704
1705
1706
1707 if (ret && PMSG_IS_AUTO(message))
1708 usbnet_resume(intf);
1709
1710 return ret;
1711}
1712
1713static int smsc95xx_resume(struct usb_interface *intf)
1714{
1715 struct usbnet *dev = usb_get_intfdata(intf);
1716 struct smsc95xx_priv *pdata;
1717 u8 suspend_flags;
1718 int ret;
1719 u32 val;
1720
1721 BUG_ON(!dev);
1722 pdata = dev->driver_priv;
1723 suspend_flags = pdata->suspend_flags;
1724
1725 netdev_dbg(dev->net, "resume suspend_flags=0x%02x\n", suspend_flags);
1726
1727
1728 pdata->suspend_flags = 0;
1729
1730 if (suspend_flags & SUSPEND_ALLMODES) {
1731
1732 ret = smsc95xx_read_reg_nopm(dev, WUCSR, &val);
1733 if (ret < 0)
1734 return ret;
1735
1736 val &= ~(WUCSR_WAKE_EN_ | WUCSR_MPEN_);
1737
1738 ret = smsc95xx_write_reg_nopm(dev, WUCSR, val);
1739 if (ret < 0)
1740 return ret;
1741
1742
1743 ret = smsc95xx_read_reg_nopm(dev, PM_CTRL, &val);
1744 if (ret < 0)
1745 return ret;
1746
1747 val &= ~PM_CTL_WOL_EN_;
1748 val |= PM_CTL_WUPS_;
1749
1750 ret = smsc95xx_write_reg_nopm(dev, PM_CTRL, val);
1751 if (ret < 0)
1752 return ret;
1753 }
1754
1755 ret = usbnet_resume(intf);
1756 if (ret < 0)
1757 netdev_warn(dev->net, "usbnet_resume error\n");
1758
1759 phy_init_hw(pdata->phydev);
1760 return ret;
1761}
1762
1763static int smsc95xx_reset_resume(struct usb_interface *intf)
1764{
1765 struct usbnet *dev = usb_get_intfdata(intf);
1766 int ret;
1767
1768 ret = smsc95xx_reset(dev);
1769 if (ret < 0)
1770 return ret;
1771
1772 return smsc95xx_resume(intf);
1773}
1774
1775static void smsc95xx_rx_csum_offload(struct sk_buff *skb)
1776{
1777 skb->csum = *(u16 *)(skb_tail_pointer(skb) - 2);
1778 skb->ip_summed = CHECKSUM_COMPLETE;
1779 skb_trim(skb, skb->len - 2);
1780}
1781
1782static int smsc95xx_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
1783{
1784
1785 if (skb->len < dev->net->hard_header_len)
1786 return 0;
1787
1788 while (skb->len > 0) {
1789 u32 header, align_count;
1790 struct sk_buff *ax_skb;
1791 unsigned char *packet;
1792 u16 size;
1793
1794 header = get_unaligned_le32(skb->data);
1795 skb_pull(skb, 4 + NET_IP_ALIGN);
1796 packet = skb->data;
1797
1798
1799 size = (u16)((header & RX_STS_FL_) >> 16);
1800 align_count = (4 - ((size + NET_IP_ALIGN) % 4)) % 4;
1801
1802 if (unlikely(header & RX_STS_ES_)) {
1803 netif_dbg(dev, rx_err, dev->net,
1804 "Error header=0x%08x\n", header);
1805 dev->net->stats.rx_errors++;
1806 dev->net->stats.rx_dropped++;
1807
1808 if (header & RX_STS_CRC_) {
1809 dev->net->stats.rx_crc_errors++;
1810 } else {
1811 if (header & (RX_STS_TL_ | RX_STS_RF_))
1812 dev->net->stats.rx_frame_errors++;
1813
1814 if ((header & RX_STS_LE_) &&
1815 (!(header & RX_STS_FT_)))
1816 dev->net->stats.rx_length_errors++;
1817 }
1818 } else {
1819
1820 if (unlikely(size > (ETH_FRAME_LEN + 12))) {
1821 netif_dbg(dev, rx_err, dev->net,
1822 "size err header=0x%08x\n", header);
1823 return 0;
1824 }
1825
1826
1827 if (skb->len == size) {
1828 if (dev->net->features & NETIF_F_RXCSUM)
1829 smsc95xx_rx_csum_offload(skb);
1830 skb_trim(skb, skb->len - 4);
1831 skb->truesize = size + sizeof(struct sk_buff);
1832
1833 return 1;
1834 }
1835
1836 ax_skb = skb_clone(skb, GFP_ATOMIC);
1837 if (unlikely(!ax_skb)) {
1838 netdev_warn(dev->net, "Error allocating skb\n");
1839 return 0;
1840 }
1841
1842 ax_skb->len = size;
1843 ax_skb->data = packet;
1844 skb_set_tail_pointer(ax_skb, size);
1845
1846 if (dev->net->features & NETIF_F_RXCSUM)
1847 smsc95xx_rx_csum_offload(ax_skb);
1848 skb_trim(ax_skb, ax_skb->len - 4);
1849 ax_skb->truesize = size + sizeof(struct sk_buff);
1850
1851 usbnet_skb_return(dev, ax_skb);
1852 }
1853
1854 skb_pull(skb, size);
1855
1856
1857 if (skb->len)
1858 skb_pull(skb, align_count);
1859 }
1860
1861 return 1;
1862}
1863
1864static u32 smsc95xx_calc_csum_preamble(struct sk_buff *skb)
1865{
1866 u16 low_16 = (u16)skb_checksum_start_offset(skb);
1867 u16 high_16 = low_16 + skb->csum_offset;
1868 return (high_16 << 16) | low_16;
1869}
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879static bool smsc95xx_can_tx_checksum(struct sk_buff *skb)
1880{
1881 unsigned int len = skb->len - skb_checksum_start_offset(skb);
1882
1883 if (skb->len <= 45)
1884 return false;
1885 return skb->csum_offset < (len - (4 + 1));
1886}
1887
1888static struct sk_buff *smsc95xx_tx_fixup(struct usbnet *dev,
1889 struct sk_buff *skb, gfp_t flags)
1890{
1891 bool csum = skb->ip_summed == CHECKSUM_PARTIAL;
1892 int overhead = csum ? SMSC95XX_TX_OVERHEAD_CSUM : SMSC95XX_TX_OVERHEAD;
1893 u32 tx_cmd_a, tx_cmd_b;
1894 void *ptr;
1895
1896
1897 BUG_ON(skb_shinfo(skb)->nr_frags);
1898
1899
1900 if (skb_cow_head(skb, overhead)) {
1901
1902
1903
1904 dev_kfree_skb_any(skb);
1905 return NULL;
1906 }
1907
1908 tx_cmd_b = (u32)skb->len;
1909 tx_cmd_a = tx_cmd_b | TX_CMD_A_FIRST_SEG_ | TX_CMD_A_LAST_SEG_;
1910
1911 if (csum) {
1912 if (!smsc95xx_can_tx_checksum(skb)) {
1913
1914
1915 long csstart = skb_checksum_start_offset(skb);
1916 __wsum calc = csum_partial(skb->data + csstart,
1917 skb->len - csstart, 0);
1918 *((__sum16 *)(skb->data + csstart
1919 + skb->csum_offset)) = csum_fold(calc);
1920
1921 csum = false;
1922 } else {
1923 u32 csum_preamble = smsc95xx_calc_csum_preamble(skb);
1924 ptr = skb_push(skb, 4);
1925 put_unaligned_le32(csum_preamble, ptr);
1926
1927 tx_cmd_a += 4;
1928 tx_cmd_b += 4;
1929 tx_cmd_b |= TX_CMD_B_CSUM_ENABLE;
1930 }
1931 }
1932
1933 ptr = skb_push(skb, 8);
1934 put_unaligned_le32(tx_cmd_a, ptr);
1935 put_unaligned_le32(tx_cmd_b, ptr+4);
1936
1937 return skb;
1938}
1939
1940static int smsc95xx_manage_power(struct usbnet *dev, int on)
1941{
1942 struct smsc95xx_priv *pdata = dev->driver_priv;
1943
1944 dev->intf->needs_remote_wakeup = on;
1945
1946 if (pdata->features & FEATURE_REMOTE_WAKEUP)
1947 return 0;
1948
1949
1950 netdev_info(dev->net, "hardware isn't capable of remote wakeup\n");
1951
1952 if (on)
1953 usb_autopm_get_interface_no_resume(dev->intf);
1954 else
1955 usb_autopm_put_interface(dev->intf);
1956
1957 return 0;
1958}
1959
1960static const struct driver_info smsc95xx_info = {
1961 .description = "smsc95xx USB 2.0 Ethernet",
1962 .bind = smsc95xx_bind,
1963 .unbind = smsc95xx_unbind,
1964 .link_reset = smsc95xx_link_reset,
1965 .reset = smsc95xx_start_phy,
1966 .stop = smsc95xx_stop,
1967 .rx_fixup = smsc95xx_rx_fixup,
1968 .tx_fixup = smsc95xx_tx_fixup,
1969 .status = smsc95xx_status,
1970 .manage_power = smsc95xx_manage_power,
1971 .flags = FLAG_ETHER | FLAG_SEND_ZLP | FLAG_LINK_INTR,
1972};
1973
1974static const struct usb_device_id products[] = {
1975 {
1976
1977 USB_DEVICE(0x0424, 0x9500),
1978 .driver_info = (unsigned long) &smsc95xx_info,
1979 },
1980 {
1981
1982 USB_DEVICE(0x0424, 0x9505),
1983 .driver_info = (unsigned long) &smsc95xx_info,
1984 },
1985 {
1986
1987 USB_DEVICE(0x0424, 0x9E00),
1988 .driver_info = (unsigned long) &smsc95xx_info,
1989 },
1990 {
1991
1992 USB_DEVICE(0x0424, 0x9E01),
1993 .driver_info = (unsigned long) &smsc95xx_info,
1994 },
1995 {
1996
1997 USB_DEVICE(0x0424, 0xec00),
1998 .driver_info = (unsigned long) &smsc95xx_info,
1999 },
2000 {
2001
2002 USB_DEVICE(0x0424, 0x9900),
2003 .driver_info = (unsigned long) &smsc95xx_info,
2004 },
2005 {
2006
2007 USB_DEVICE(0x0424, 0x9901),
2008 .driver_info = (unsigned long) &smsc95xx_info,
2009 },
2010 {
2011
2012 USB_DEVICE(0x0424, 0x9902),
2013 .driver_info = (unsigned long) &smsc95xx_info,
2014 },
2015 {
2016
2017 USB_DEVICE(0x0424, 0x9903),
2018 .driver_info = (unsigned long) &smsc95xx_info,
2019 },
2020 {
2021
2022 USB_DEVICE(0x0424, 0x9904),
2023 .driver_info = (unsigned long) &smsc95xx_info,
2024 },
2025 {
2026
2027 USB_DEVICE(0x0424, 0x9905),
2028 .driver_info = (unsigned long) &smsc95xx_info,
2029 },
2030 {
2031
2032 USB_DEVICE(0x0424, 0x9906),
2033 .driver_info = (unsigned long) &smsc95xx_info,
2034 },
2035 {
2036
2037 USB_DEVICE(0x0424, 0x9907),
2038 .driver_info = (unsigned long) &smsc95xx_info,
2039 },
2040 {
2041
2042 USB_DEVICE(0x0424, 0x9908),
2043 .driver_info = (unsigned long) &smsc95xx_info,
2044 },
2045 {
2046
2047 USB_DEVICE(0x0424, 0x9909),
2048 .driver_info = (unsigned long) &smsc95xx_info,
2049 },
2050 {
2051
2052 USB_DEVICE(0x0424, 0x9530),
2053 .driver_info = (unsigned long) &smsc95xx_info,
2054 },
2055 {
2056
2057 USB_DEVICE(0x0424, 0x9730),
2058 .driver_info = (unsigned long) &smsc95xx_info,
2059 },
2060 {
2061
2062 USB_DEVICE(0x0424, 0x9E08),
2063 .driver_info = (unsigned long) &smsc95xx_info,
2064 },
2065 { },
2066};
2067MODULE_DEVICE_TABLE(usb, products);
2068
2069static struct usb_driver smsc95xx_driver = {
2070 .name = "smsc95xx",
2071 .id_table = products,
2072 .probe = usbnet_probe,
2073 .suspend = smsc95xx_suspend,
2074 .resume = smsc95xx_resume,
2075 .reset_resume = smsc95xx_reset_resume,
2076 .disconnect = usbnet_disconnect,
2077 .disable_hub_initiated_lpm = 1,
2078 .supports_autosuspend = 1,
2079};
2080
2081module_usb_driver(smsc95xx_driver);
2082
2083MODULE_AUTHOR("Nancy Lin");
2084MODULE_AUTHOR("Steve Glendinning <steve.glendinning@shawell.net>");
2085MODULE_DESCRIPTION("SMSC95XX USB 2.0 Ethernet Devices");
2086MODULE_LICENSE("GPL");
2087
