1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * ASIX AX88179/178A USB 3.0/2.0 to Gigabit Ethernet Devices
4 *
5 * Copyright (C) 2011-2013 ASIX
6 */
7
8 #include <linux/module.h>
9 #include <linux/etherdevice.h>
10 #include <linux/mii.h>
11 #include <linux/usb.h>
12 #include <linux/crc32.h>
13 #include <linux/usb/usbnet.h>
14 #include <uapi/linux/mdio.h>
15 #include <linux/mdio.h>
16
17 #define AX88179_PHY_ID 0x03
18 #define AX_EEPROM_LEN 0x100
19 #define AX88179_EEPROM_MAGIC 0x17900b95
20 #define AX_MCAST_FLTSIZE 8
21 #define AX_MAX_MCAST 64
22 #define AX_INT_PPLS_LINK ((u32)BIT(16))
23 #define AX_RXHDR_L4_TYPE_MASK 0x1c
24 #define AX_RXHDR_L4_TYPE_UDP 4
25 #define AX_RXHDR_L4_TYPE_TCP 16
26 #define AX_RXHDR_L3CSUM_ERR 2
27 #define AX_RXHDR_L4CSUM_ERR 1
28 #define AX_RXHDR_CRC_ERR ((u32)BIT(29))
29 #define AX_RXHDR_DROP_ERR ((u32)BIT(31))
30 #define AX_ACCESS_MAC 0x01
31 #define AX_ACCESS_PHY 0x02
32 #define AX_ACCESS_EEPROM 0x04
33 #define AX_ACCESS_EFUS 0x05
34 #define AX_RELOAD_EEPROM_EFUSE 0x06
35 #define AX_PAUSE_WATERLVL_HIGH 0x54
36 #define AX_PAUSE_WATERLVL_LOW 0x55
37
38 #define PHYSICAL_LINK_STATUS 0x02
39 #define AX_USB_SS 0x04
40 #define AX_USB_HS 0x02
41
42 #define GENERAL_STATUS 0x03
43 /* Check AX88179 version. UA1:Bit2 = 0, UA2:Bit2 = 1 */
44 #define AX_SECLD 0x04
45
46 #define AX_SROM_ADDR 0x07
47 #define AX_SROM_CMD 0x0a
48 #define EEP_RD 0x04
49 #define EEP_BUSY 0x10
50
51 #define AX_SROM_DATA_LOW 0x08
52 #define AX_SROM_DATA_HIGH 0x09
53
54 #define AX_RX_CTL 0x0b
55 #define AX_RX_CTL_DROPCRCERR 0x0100
56 #define AX_RX_CTL_IPE 0x0200
57 #define AX_RX_CTL_START 0x0080
58 #define AX_RX_CTL_AP 0x0020
59 #define AX_RX_CTL_AM 0x0010
60 #define AX_RX_CTL_AB 0x0008
61 #define AX_RX_CTL_AMALL 0x0002
62 #define AX_RX_CTL_PRO 0x0001
63 #define AX_RX_CTL_STOP 0x0000
64
65 #define AX_NODE_ID 0x10
66 #define AX_MULFLTARY 0x16
67
68 #define AX_MEDIUM_STATUS_MODE 0x22
69 #define AX_MEDIUM_GIGAMODE 0x01
70 #define AX_MEDIUM_FULL_DUPLEX 0x02
71 #define AX_MEDIUM_EN_125MHZ 0x08
72 #define AX_MEDIUM_RXFLOW_CTRLEN 0x10
73 #define AX_MEDIUM_TXFLOW_CTRLEN 0x20
74 #define AX_MEDIUM_RECEIVE_EN 0x100
75 #define AX_MEDIUM_PS 0x200
76 #define AX_MEDIUM_JUMBO_EN 0x8040
77
78 #define AX_MONITOR_MOD 0x24
79 #define AX_MONITOR_MODE_RWLC 0x02
80 #define AX_MONITOR_MODE_RWMP 0x04
81 #define AX_MONITOR_MODE_PMEPOL 0x20
82 #define AX_MONITOR_MODE_PMETYPE 0x40
83
84 #define AX_GPIO_CTRL 0x25
85 #define AX_GPIO_CTRL_GPIO3EN 0x80
86 #define AX_GPIO_CTRL_GPIO2EN 0x40
87 #define AX_GPIO_CTRL_GPIO1EN 0x20
88
89 #define AX_PHYPWR_RSTCTL 0x26
90 #define AX_PHYPWR_RSTCTL_BZ 0x0010
91 #define AX_PHYPWR_RSTCTL_IPRL 0x0020
92 #define AX_PHYPWR_RSTCTL_AT 0x1000
93
94 #define AX_RX_BULKIN_QCTRL 0x2e
95 #define AX_CLK_SELECT 0x33
96 #define AX_CLK_SELECT_BCS 0x01
97 #define AX_CLK_SELECT_ACS 0x02
98 #define AX_CLK_SELECT_ULR 0x08
99
100 #define AX_RXCOE_CTL 0x34
101 #define AX_RXCOE_IP 0x01
102 #define AX_RXCOE_TCP 0x02
103 #define AX_RXCOE_UDP 0x04
104 #define AX_RXCOE_TCPV6 0x20
105 #define AX_RXCOE_UDPV6 0x40
106
107 #define AX_TXCOE_CTL 0x35
108 #define AX_TXCOE_IP 0x01
109 #define AX_TXCOE_TCP 0x02
110 #define AX_TXCOE_UDP 0x04
111 #define AX_TXCOE_TCPV6 0x20
112 #define AX_TXCOE_UDPV6 0x40
113
114 #define AX_LEDCTRL 0x73
115
116 #define GMII_PHY_PHYSR 0x11
117 #define GMII_PHY_PHYSR_SMASK 0xc000
118 #define GMII_PHY_PHYSR_GIGA 0x8000
119 #define GMII_PHY_PHYSR_100 0x4000
120 #define GMII_PHY_PHYSR_FULL 0x2000
121 #define GMII_PHY_PHYSR_LINK 0x400
122
123 #define GMII_LED_ACT 0x1a
124 #define GMII_LED_ACTIVE_MASK 0xff8f
125 #define GMII_LED0_ACTIVE BIT(4)
126 #define GMII_LED1_ACTIVE BIT(5)
127 #define GMII_LED2_ACTIVE BIT(6)
128
129 #define GMII_LED_LINK 0x1c
130 #define GMII_LED_LINK_MASK 0xf888
131 #define GMII_LED0_LINK_10 BIT(0)
132 #define GMII_LED0_LINK_100 BIT(1)
133 #define GMII_LED0_LINK_1000 BIT(2)
134 #define GMII_LED1_LINK_10 BIT(4)
135 #define GMII_LED1_LINK_100 BIT(5)
136 #define GMII_LED1_LINK_1000 BIT(6)
137 #define GMII_LED2_LINK_10 BIT(8)
138 #define GMII_LED2_LINK_100 BIT(9)
139 #define GMII_LED2_LINK_1000 BIT(10)
140 #define LED0_ACTIVE BIT(0)
141 #define LED0_LINK_10 BIT(1)
142 #define LED0_LINK_100 BIT(2)
143 #define LED0_LINK_1000 BIT(3)
144 #define LED0_FD BIT(4)
145 #define LED0_USB3_MASK 0x001f
146 #define LED1_ACTIVE BIT(5)
147 #define LED1_LINK_10 BIT(6)
148 #define LED1_LINK_100 BIT(7)
149 #define LED1_LINK_1000 BIT(8)
150 #define LED1_FD BIT(9)
151 #define LED1_USB3_MASK 0x03e0
152 #define LED2_ACTIVE BIT(10)
153 #define LED2_LINK_1000 BIT(13)
154 #define LED2_LINK_100 BIT(12)
155 #define LED2_LINK_10 BIT(11)
156 #define LED2_FD BIT(14)
157 #define LED_VALID BIT(15)
158 #define LED2_USB3_MASK 0x7c00
159
160 #define GMII_PHYPAGE 0x1e
161 #define GMII_PHY_PAGE_SELECT 0x1f
162 #define GMII_PHY_PGSEL_EXT 0x0007
163 #define GMII_PHY_PGSEL_PAGE0 0x0000
164 #define GMII_PHY_PGSEL_PAGE3 0x0003
165 #define GMII_PHY_PGSEL_PAGE5 0x0005
166
167 static int ax88179_reset(struct usbnet *dev);
168
169 struct ax88179_data {
170 u8 eee_enabled;
171 u8 eee_active;
172 u16 rxctl;
173 u8 in_pm;
174 u32 wol_supported;
175 u32 wolopts;
176 u8 disconnecting;
177 };
178
179 struct ax88179_int_data {
180 __le32 intdata1;
181 __le32 intdata2;
182 };
183
184 static const struct {
185 unsigned char ctrl, timer_l, timer_h, size, ifg;
186 } AX88179_BULKIN_SIZE[] = {
187 {7, 0x4f, 0, 0x12, 0xff},
188 {7, 0x20, 3, 0x16, 0xff},
189 {7, 0xae, 7, 0x18, 0xff},
190 {7, 0xcc, 0x4c, 0x18, 8},
191 };
192
ax88179_set_pm_mode(struct usbnet * dev,bool pm_mode)193 static void ax88179_set_pm_mode(struct usbnet *dev, bool pm_mode)
194 {
195 struct ax88179_data *ax179_data = dev->driver_priv;
196
197 ax179_data->in_pm = pm_mode;
198 }
199
ax88179_in_pm(struct usbnet * dev)200 static int ax88179_in_pm(struct usbnet *dev)
201 {
202 struct ax88179_data *ax179_data = dev->driver_priv;
203
204 return ax179_data->in_pm;
205 }
206
__ax88179_read_cmd(struct usbnet * dev,u8 cmd,u16 value,u16 index,u16 size,void * data)207 static int __ax88179_read_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
208 u16 size, void *data)
209 {
210 int ret;
211 int (*fn)(struct usbnet *, u8, u8, u16, u16, void *, u16);
212 struct ax88179_data *ax179_data = dev->driver_priv;
213
214 BUG_ON(!dev);
215
216 if (!ax88179_in_pm(dev))
217 fn = usbnet_read_cmd;
218 else
219 fn = usbnet_read_cmd_nopm;
220
221 ret = fn(dev, cmd, USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
222 value, index, data, size);
223
224 if (unlikely((ret < 0) && !(ret == -ENODEV && ax179_data->disconnecting)))
225 netdev_warn(dev->net, "Failed to read reg index 0x%04x: %d\n",
226 index, ret);
227
228 return ret;
229 }
230
__ax88179_write_cmd(struct usbnet * dev,u8 cmd,u16 value,u16 index,u16 size,const void * data)231 static int __ax88179_write_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
232 u16 size, const void *data)
233 {
234 int ret;
235 int (*fn)(struct usbnet *, u8, u8, u16, u16, const void *, u16);
236 struct ax88179_data *ax179_data = dev->driver_priv;
237
238 BUG_ON(!dev);
239
240 if (!ax88179_in_pm(dev))
241 fn = usbnet_write_cmd;
242 else
243 fn = usbnet_write_cmd_nopm;
244
245 ret = fn(dev, cmd, USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
246 value, index, data, size);
247
248 if (unlikely((ret < 0) && !(ret == -ENODEV && ax179_data->disconnecting)))
249 netdev_warn(dev->net, "Failed to write reg index 0x%04x: %d\n",
250 index, ret);
251
252 return ret;
253 }
254
ax88179_write_cmd_async(struct usbnet * dev,u8 cmd,u16 value,u16 index,u16 size,void * data)255 static void ax88179_write_cmd_async(struct usbnet *dev, u8 cmd, u16 value,
256 u16 index, u16 size, void *data)
257 {
258 u16 buf;
259
260 if (2 == size) {
261 buf = *((u16 *)data);
262 cpu_to_le16s(&buf);
263 usbnet_write_cmd_async(dev, cmd, USB_DIR_OUT | USB_TYPE_VENDOR |
264 USB_RECIP_DEVICE, value, index, &buf,
265 size);
266 } else {
267 usbnet_write_cmd_async(dev, cmd, USB_DIR_OUT | USB_TYPE_VENDOR |
268 USB_RECIP_DEVICE, value, index, data,
269 size);
270 }
271 }
272
ax88179_read_cmd(struct usbnet * dev,u8 cmd,u16 value,u16 index,u16 size,void * data)273 static int ax88179_read_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
274 u16 size, void *data)
275 {
276 int ret;
277
278 if (2 == size) {
279 u16 buf = 0;
280 ret = __ax88179_read_cmd(dev, cmd, value, index, size, &buf);
281 le16_to_cpus(&buf);
282 *((u16 *)data) = buf;
283 } else if (4 == size) {
284 u32 buf = 0;
285 ret = __ax88179_read_cmd(dev, cmd, value, index, size, &buf);
286 le32_to_cpus(&buf);
287 *((u32 *)data) = buf;
288 } else {
289 ret = __ax88179_read_cmd(dev, cmd, value, index, size, data);
290 }
291
292 return ret;
293 }
294
ax88179_write_cmd(struct usbnet * dev,u8 cmd,u16 value,u16 index,u16 size,const void * data)295 static int ax88179_write_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
296 u16 size, const void *data)
297 {
298 int ret;
299
300 if (2 == size) {
301 u16 buf;
302 buf = *((u16 *)data);
303 cpu_to_le16s(&buf);
304 ret = __ax88179_write_cmd(dev, cmd, value, index,
305 size, &buf);
306 } else {
307 ret = __ax88179_write_cmd(dev, cmd, value, index,
308 size, data);
309 }
310
311 return ret;
312 }
313
ax88179_status(struct usbnet * dev,struct urb * urb)314 static void ax88179_status(struct usbnet *dev, struct urb *urb)
315 {
316 struct ax88179_int_data *event;
317 u32 link;
318
319 if (urb->actual_length < 8)
320 return;
321
322 event = urb->transfer_buffer;
323 le32_to_cpus((void *)&event->intdata1);
324
325 link = (((__force u32)event->intdata1) & AX_INT_PPLS_LINK) >> 16;
326
327 if (netif_carrier_ok(dev->net) != link) {
328 usbnet_link_change(dev, link, 1);
329 netdev_info(dev->net, "ax88179 - Link status is: %d\n", link);
330 }
331 }
332
ax88179_mdio_read(struct net_device * netdev,int phy_id,int loc)333 static int ax88179_mdio_read(struct net_device *netdev, int phy_id, int loc)
334 {
335 struct usbnet *dev = netdev_priv(netdev);
336 u16 res;
337
338 ax88179_read_cmd(dev, AX_ACCESS_PHY, phy_id, (__u16)loc, 2, &res);
339 return res;
340 }
341
ax88179_mdio_write(struct net_device * netdev,int phy_id,int loc,int val)342 static void ax88179_mdio_write(struct net_device *netdev, int phy_id, int loc,
343 int val)
344 {
345 struct usbnet *dev = netdev_priv(netdev);
346 u16 res = (u16) val;
347
348 ax88179_write_cmd(dev, AX_ACCESS_PHY, phy_id, (__u16)loc, 2, &res);
349 }
350
ax88179_phy_mmd_indirect(struct usbnet * dev,u16 prtad,u16 devad)351 static inline int ax88179_phy_mmd_indirect(struct usbnet *dev, u16 prtad,
352 u16 devad)
353 {
354 u16 tmp16;
355 int ret;
356
357 tmp16 = devad;
358 ret = ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
359 MII_MMD_CTRL, 2, &tmp16);
360
361 tmp16 = prtad;
362 ret = ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
363 MII_MMD_DATA, 2, &tmp16);
364
365 tmp16 = devad | MII_MMD_CTRL_NOINCR;
366 ret = ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
367 MII_MMD_CTRL, 2, &tmp16);
368
369 return ret;
370 }
371
372 static int
ax88179_phy_read_mmd_indirect(struct usbnet * dev,u16 prtad,u16 devad)373 ax88179_phy_read_mmd_indirect(struct usbnet *dev, u16 prtad, u16 devad)
374 {
375 int ret;
376 u16 tmp16;
377
378 ax88179_phy_mmd_indirect(dev, prtad, devad);
379
380 ret = ax88179_read_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
381 MII_MMD_DATA, 2, &tmp16);
382 if (ret < 0)
383 return ret;
384
385 return tmp16;
386 }
387
388 static int
ax88179_phy_write_mmd_indirect(struct usbnet * dev,u16 prtad,u16 devad,u16 data)389 ax88179_phy_write_mmd_indirect(struct usbnet *dev, u16 prtad, u16 devad,
390 u16 data)
391 {
392 int ret;
393
394 ax88179_phy_mmd_indirect(dev, prtad, devad);
395
396 ret = ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
397 MII_MMD_DATA, 2, &data);
398
399 if (ret < 0)
400 return ret;
401
402 return 0;
403 }
404
ax88179_suspend(struct usb_interface * intf,pm_message_t message)405 static int ax88179_suspend(struct usb_interface *intf, pm_message_t message)
406 {
407 struct usbnet *dev = usb_get_intfdata(intf);
408 struct ax88179_data *priv = dev->driver_priv;
409 u16 tmp16;
410 u8 tmp8;
411
412 ax88179_set_pm_mode(dev, true);
413
414 usbnet_suspend(intf, message);
415
416 /* Enable WoL */
417 if (priv->wolopts) {
418 ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_MONITOR_MOD,
419 1, 1, &tmp8);
420 if (priv->wolopts & WAKE_PHY)
421 tmp8 |= AX_MONITOR_MODE_RWLC;
422 if (priv->wolopts & WAKE_MAGIC)
423 tmp8 |= AX_MONITOR_MODE_RWMP;
424
425 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MONITOR_MOD,
426 1, 1, &tmp8);
427 }
428
429 /* Disable RX path */
430 ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
431 2, 2, &tmp16);
432 tmp16 &= ~AX_MEDIUM_RECEIVE_EN;
433 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
434 2, 2, &tmp16);
435
436 /* Force bulk-in zero length */
437 ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL,
438 2, 2, &tmp16);
439
440 tmp16 |= AX_PHYPWR_RSTCTL_BZ | AX_PHYPWR_RSTCTL_IPRL;
441 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL,
442 2, 2, &tmp16);
443
444 /* change clock */
445 tmp8 = 0;
446 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, &tmp8);
447
448 /* Configure RX control register => stop operation */
449 tmp16 = AX_RX_CTL_STOP;
450 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2, &tmp16);
451
452 ax88179_set_pm_mode(dev, false);
453
454 return 0;
455 }
456
457 /* This function is used to enable the autodetach function. */
458 /* This function is determined by offset 0x43 of EEPROM */
ax88179_auto_detach(struct usbnet * dev)459 static int ax88179_auto_detach(struct usbnet *dev)
460 {
461 u16 tmp16;
462 u8 tmp8;
463
464 if (ax88179_read_cmd(dev, AX_ACCESS_EEPROM, 0x43, 1, 2, &tmp16) < 0)
465 return 0;
466
467 if ((tmp16 == 0xFFFF) || (!(tmp16 & 0x0100)))
468 return 0;
469
470 /* Enable Auto Detach bit */
471 tmp8 = 0;
472 ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, &tmp8);
473 tmp8 |= AX_CLK_SELECT_ULR;
474 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, &tmp8);
475
476 ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, &tmp16);
477 tmp16 |= AX_PHYPWR_RSTCTL_AT;
478 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, &tmp16);
479
480 return 0;
481 }
482
ax88179_resume(struct usb_interface * intf)483 static int ax88179_resume(struct usb_interface *intf)
484 {
485 struct usbnet *dev = usb_get_intfdata(intf);
486
487 ax88179_set_pm_mode(dev, true);
488
489 usbnet_link_change(dev, 0, 0);
490
491 ax88179_reset(dev);
492
493 ax88179_set_pm_mode(dev, false);
494
495 return usbnet_resume(intf);
496 }
497
ax88179_disconnect(struct usb_interface * intf)498 static void ax88179_disconnect(struct usb_interface *intf)
499 {
500 struct usbnet *dev = usb_get_intfdata(intf);
501 struct ax88179_data *ax179_data;
502
503 if (!dev)
504 return;
505
506 ax179_data = dev->driver_priv;
507 ax179_data->disconnecting = 1;
508
509 usbnet_disconnect(intf);
510 }
511
512 static void
ax88179_get_wol(struct net_device * net,struct ethtool_wolinfo * wolinfo)513 ax88179_get_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo)
514 {
515 struct usbnet *dev = netdev_priv(net);
516 struct ax88179_data *priv = dev->driver_priv;
517
518 wolinfo->supported = priv->wol_supported;
519 wolinfo->wolopts = priv->wolopts;
520 }
521
522 static int
ax88179_set_wol(struct net_device * net,struct ethtool_wolinfo * wolinfo)523 ax88179_set_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo)
524 {
525 struct usbnet *dev = netdev_priv(net);
526 struct ax88179_data *priv = dev->driver_priv;
527
528 if (wolinfo->wolopts & ~(priv->wol_supported))
529 return -EINVAL;
530
531 priv->wolopts = wolinfo->wolopts;
532
533 return 0;
534 }
535
ax88179_get_eeprom_len(struct net_device * net)536 static int ax88179_get_eeprom_len(struct net_device *net)
537 {
538 return AX_EEPROM_LEN;
539 }
540
541 static int
ax88179_get_eeprom(struct net_device * net,struct ethtool_eeprom * eeprom,u8 * data)542 ax88179_get_eeprom(struct net_device *net, struct ethtool_eeprom *eeprom,
543 u8 *data)
544 {
545 struct usbnet *dev = netdev_priv(net);
546 u16 *eeprom_buff;
547 int first_word, last_word;
548 int i, ret;
549
550 if (eeprom->len == 0)
551 return -EINVAL;
552
553 eeprom->magic = AX88179_EEPROM_MAGIC;
554
555 first_word = eeprom->offset >> 1;
556 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
557 eeprom_buff = kmalloc_array(last_word - first_word + 1, sizeof(u16),
558 GFP_KERNEL);
559 if (!eeprom_buff)
560 return -ENOMEM;
561
562 /* ax88179/178A returns 2 bytes from eeprom on read */
563 for (i = first_word; i <= last_word; i++) {
564 ret = __ax88179_read_cmd(dev, AX_ACCESS_EEPROM, i, 1, 2,
565 &eeprom_buff[i - first_word]);
566 if (ret < 0) {
567 kfree(eeprom_buff);
568 return -EIO;
569 }
570 }
571
572 memcpy(data, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
573 kfree(eeprom_buff);
574 return 0;
575 }
576
577 static int
ax88179_set_eeprom(struct net_device * net,struct ethtool_eeprom * eeprom,u8 * data)578 ax88179_set_eeprom(struct net_device *net, struct ethtool_eeprom *eeprom,
579 u8 *data)
580 {
581 struct usbnet *dev = netdev_priv(net);
582 u16 *eeprom_buff;
583 int first_word;
584 int last_word;
585 int ret;
586 int i;
587
588 netdev_dbg(net, "write EEPROM len %d, offset %d, magic 0x%x\n",
589 eeprom->len, eeprom->offset, eeprom->magic);
590
591 if (eeprom->len == 0)
592 return -EINVAL;
593
594 if (eeprom->magic != AX88179_EEPROM_MAGIC)
595 return -EINVAL;
596
597 first_word = eeprom->offset >> 1;
598 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
599
600 eeprom_buff = kmalloc_array(last_word - first_word + 1, sizeof(u16),
601 GFP_KERNEL);
602 if (!eeprom_buff)
603 return -ENOMEM;
604
605 /* align data to 16 bit boundaries, read the missing data from
606 the EEPROM */
607 if (eeprom->offset & 1) {
608 ret = ax88179_read_cmd(dev, AX_ACCESS_EEPROM, first_word, 1, 2,
609 &eeprom_buff[0]);
610 if (ret < 0) {
611 netdev_err(net, "Failed to read EEPROM at offset 0x%02x.\n", first_word);
612 goto free;
613 }
614 }
615
616 if ((eeprom->offset + eeprom->len) & 1) {
617 ret = ax88179_read_cmd(dev, AX_ACCESS_EEPROM, last_word, 1, 2,
618 &eeprom_buff[last_word - first_word]);
619 if (ret < 0) {
620 netdev_err(net, "Failed to read EEPROM at offset 0x%02x.\n", last_word);
621 goto free;
622 }
623 }
624
625 memcpy((u8 *)eeprom_buff + (eeprom->offset & 1), data, eeprom->len);
626
627 for (i = first_word; i <= last_word; i++) {
628 netdev_dbg(net, "write to EEPROM at offset 0x%02x, data 0x%04x\n",
629 i, eeprom_buff[i - first_word]);
630 ret = ax88179_write_cmd(dev, AX_ACCESS_EEPROM, i, 1, 2,
631 &eeprom_buff[i - first_word]);
632 if (ret < 0) {
633 netdev_err(net, "Failed to write EEPROM at offset 0x%02x.\n", i);
634 goto free;
635 }
636 msleep(20);
637 }
638
639 /* reload EEPROM data */
640 ret = ax88179_write_cmd(dev, AX_RELOAD_EEPROM_EFUSE, 0x0000, 0, 0, NULL);
641 if (ret < 0) {
642 netdev_err(net, "Failed to reload EEPROM data\n");
643 goto free;
644 }
645
646 ret = 0;
647 free:
648 kfree(eeprom_buff);
649 return ret;
650 }
651
ax88179_get_link_ksettings(struct net_device * net,struct ethtool_link_ksettings * cmd)652 static int ax88179_get_link_ksettings(struct net_device *net,
653 struct ethtool_link_ksettings *cmd)
654 {
655 struct usbnet *dev = netdev_priv(net);
656
657 mii_ethtool_get_link_ksettings(&dev->mii, cmd);
658
659 return 0;
660 }
661
ax88179_set_link_ksettings(struct net_device * net,const struct ethtool_link_ksettings * cmd)662 static int ax88179_set_link_ksettings(struct net_device *net,
663 const struct ethtool_link_ksettings *cmd)
664 {
665 struct usbnet *dev = netdev_priv(net);
666 return mii_ethtool_set_link_ksettings(&dev->mii, cmd);
667 }
668
669 static int
ax88179_ethtool_get_eee(struct usbnet * dev,struct ethtool_eee * data)670 ax88179_ethtool_get_eee(struct usbnet *dev, struct ethtool_eee *data)
671 {
672 int val;
673
674 /* Get Supported EEE */
675 val = ax88179_phy_read_mmd_indirect(dev, MDIO_PCS_EEE_ABLE,
676 MDIO_MMD_PCS);
677 if (val < 0)
678 return val;
679 data->supported = mmd_eee_cap_to_ethtool_sup_t(val);
680
681 /* Get advertisement EEE */
682 val = ax88179_phy_read_mmd_indirect(dev, MDIO_AN_EEE_ADV,
683 MDIO_MMD_AN);
684 if (val < 0)
685 return val;
686 data->advertised = mmd_eee_adv_to_ethtool_adv_t(val);
687
688 /* Get LP advertisement EEE */
689 val = ax88179_phy_read_mmd_indirect(dev, MDIO_AN_EEE_LPABLE,
690 MDIO_MMD_AN);
691 if (val < 0)
692 return val;
693 data->lp_advertised = mmd_eee_adv_to_ethtool_adv_t(val);
694
695 return 0;
696 }
697
698 static int
ax88179_ethtool_set_eee(struct usbnet * dev,struct ethtool_eee * data)699 ax88179_ethtool_set_eee(struct usbnet *dev, struct ethtool_eee *data)
700 {
701 u16 tmp16 = ethtool_adv_to_mmd_eee_adv_t(data->advertised);
702
703 return ax88179_phy_write_mmd_indirect(dev, MDIO_AN_EEE_ADV,
704 MDIO_MMD_AN, tmp16);
705 }
706
ax88179_chk_eee(struct usbnet * dev)707 static int ax88179_chk_eee(struct usbnet *dev)
708 {
709 struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET };
710 struct ax88179_data *priv = dev->driver_priv;
711
712 mii_ethtool_gset(&dev->mii, &ecmd);
713
714 if (ecmd.duplex & DUPLEX_FULL) {
715 int eee_lp, eee_cap, eee_adv;
716 u32 lp, cap, adv, supported = 0;
717
718 eee_cap = ax88179_phy_read_mmd_indirect(dev,
719 MDIO_PCS_EEE_ABLE,
720 MDIO_MMD_PCS);
721 if (eee_cap < 0) {
722 priv->eee_active = 0;
723 return false;
724 }
725
726 cap = mmd_eee_cap_to_ethtool_sup_t(eee_cap);
727 if (!cap) {
728 priv->eee_active = 0;
729 return false;
730 }
731
732 eee_lp = ax88179_phy_read_mmd_indirect(dev,
733 MDIO_AN_EEE_LPABLE,
734 MDIO_MMD_AN);
735 if (eee_lp < 0) {
736 priv->eee_active = 0;
737 return false;
738 }
739
740 eee_adv = ax88179_phy_read_mmd_indirect(dev,
741 MDIO_AN_EEE_ADV,
742 MDIO_MMD_AN);
743
744 if (eee_adv < 0) {
745 priv->eee_active = 0;
746 return false;
747 }
748
749 adv = mmd_eee_adv_to_ethtool_adv_t(eee_adv);
750 lp = mmd_eee_adv_to_ethtool_adv_t(eee_lp);
751 supported = (ecmd.speed == SPEED_1000) ?
752 SUPPORTED_1000baseT_Full :
753 SUPPORTED_100baseT_Full;
754
755 if (!(lp & adv & supported)) {
756 priv->eee_active = 0;
757 return false;
758 }
759
760 priv->eee_active = 1;
761 return true;
762 }
763
764 priv->eee_active = 0;
765 return false;
766 }
767
ax88179_disable_eee(struct usbnet * dev)768 static void ax88179_disable_eee(struct usbnet *dev)
769 {
770 u16 tmp16;
771
772 tmp16 = GMII_PHY_PGSEL_PAGE3;
773 ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
774 GMII_PHY_PAGE_SELECT, 2, &tmp16);
775
776 tmp16 = 0x3246;
777 ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
778 MII_PHYADDR, 2, &tmp16);
779
780 tmp16 = GMII_PHY_PGSEL_PAGE0;
781 ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
782 GMII_PHY_PAGE_SELECT, 2, &tmp16);
783 }
784
ax88179_enable_eee(struct usbnet * dev)785 static void ax88179_enable_eee(struct usbnet *dev)
786 {
787 u16 tmp16;
788
789 tmp16 = GMII_PHY_PGSEL_PAGE3;
790 ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
791 GMII_PHY_PAGE_SELECT, 2, &tmp16);
792
793 tmp16 = 0x3247;
794 ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
795 MII_PHYADDR, 2, &tmp16);
796
797 tmp16 = GMII_PHY_PGSEL_PAGE5;
798 ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
799 GMII_PHY_PAGE_SELECT, 2, &tmp16);
800
801 tmp16 = 0x0680;
802 ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
803 MII_BMSR, 2, &tmp16);
804
805 tmp16 = GMII_PHY_PGSEL_PAGE0;
806 ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
807 GMII_PHY_PAGE_SELECT, 2, &tmp16);
808 }
809
ax88179_get_eee(struct net_device * net,struct ethtool_eee * edata)810 static int ax88179_get_eee(struct net_device *net, struct ethtool_eee *edata)
811 {
812 struct usbnet *dev = netdev_priv(net);
813 struct ax88179_data *priv = dev->driver_priv;
814
815 edata->eee_enabled = priv->eee_enabled;
816 edata->eee_active = priv->eee_active;
817
818 return ax88179_ethtool_get_eee(dev, edata);
819 }
820
ax88179_set_eee(struct net_device * net,struct ethtool_eee * edata)821 static int ax88179_set_eee(struct net_device *net, struct ethtool_eee *edata)
822 {
823 struct usbnet *dev = netdev_priv(net);
824 struct ax88179_data *priv = dev->driver_priv;
825 int ret;
826
827 priv->eee_enabled = edata->eee_enabled;
828 if (!priv->eee_enabled) {
829 ax88179_disable_eee(dev);
830 } else {
831 priv->eee_enabled = ax88179_chk_eee(dev);
832 if (!priv->eee_enabled)
833 return -EOPNOTSUPP;
834
835 ax88179_enable_eee(dev);
836 }
837
838 ret = ax88179_ethtool_set_eee(dev, edata);
839 if (ret)
840 return ret;
841
842 mii_nway_restart(&dev->mii);
843
844 usbnet_link_change(dev, 0, 0);
845
846 return ret;
847 }
848
ax88179_ioctl(struct net_device * net,struct ifreq * rq,int cmd)849 static int ax88179_ioctl(struct net_device *net, struct ifreq *rq, int cmd)
850 {
851 struct usbnet *dev = netdev_priv(net);
852 return generic_mii_ioctl(&dev->mii, if_mii(rq), cmd, NULL);
853 }
854
855 static const struct ethtool_ops ax88179_ethtool_ops = {
856 .get_link = ethtool_op_get_link,
857 .get_msglevel = usbnet_get_msglevel,
858 .set_msglevel = usbnet_set_msglevel,
859 .get_wol = ax88179_get_wol,
860 .set_wol = ax88179_set_wol,
861 .get_eeprom_len = ax88179_get_eeprom_len,
862 .get_eeprom = ax88179_get_eeprom,
863 .set_eeprom = ax88179_set_eeprom,
864 .get_eee = ax88179_get_eee,
865 .set_eee = ax88179_set_eee,
866 .nway_reset = usbnet_nway_reset,
867 .get_link_ksettings = ax88179_get_link_ksettings,
868 .set_link_ksettings = ax88179_set_link_ksettings,
869 .get_ts_info = ethtool_op_get_ts_info,
870 };
871
ax88179_set_multicast(struct net_device * net)872 static void ax88179_set_multicast(struct net_device *net)
873 {
874 struct usbnet *dev = netdev_priv(net);
875 struct ax88179_data *data = dev->driver_priv;
876 u8 *m_filter = ((u8 *)dev->data);
877
878 data->rxctl = (AX_RX_CTL_START | AX_RX_CTL_AB | AX_RX_CTL_IPE);
879
880 if (net->flags & IFF_PROMISC) {
881 data->rxctl |= AX_RX_CTL_PRO;
882 } else if (net->flags & IFF_ALLMULTI ||
883 netdev_mc_count(net) > AX_MAX_MCAST) {
884 data->rxctl |= AX_RX_CTL_AMALL;
885 } else if (netdev_mc_empty(net)) {
886 /* just broadcast and directed */
887 } else {
888 /* We use dev->data for our 8 byte filter buffer
889 * to avoid allocating memory that is tricky to free later
890 */
891 u32 crc_bits;
892 struct netdev_hw_addr *ha;
893
894 memset(m_filter, 0, AX_MCAST_FLTSIZE);
895
896 netdev_for_each_mc_addr(ha, net) {
897 crc_bits = ether_crc(ETH_ALEN, ha->addr) >> 26;
898 *(m_filter + (crc_bits >> 3)) |= (1 << (crc_bits & 7));
899 }
900
901 ax88179_write_cmd_async(dev, AX_ACCESS_MAC, AX_MULFLTARY,
902 AX_MCAST_FLTSIZE, AX_MCAST_FLTSIZE,
903 m_filter);
904
905 data->rxctl |= AX_RX_CTL_AM;
906 }
907
908 ax88179_write_cmd_async(dev, AX_ACCESS_MAC, AX_RX_CTL,
909 2, 2, &data->rxctl);
910 }
911
912 static int
ax88179_set_features(struct net_device * net,netdev_features_t features)913 ax88179_set_features(struct net_device *net, netdev_features_t features)
914 {
915 u8 tmp;
916 struct usbnet *dev = netdev_priv(net);
917 netdev_features_t changed = net->features ^ features;
918
919 if (changed & NETIF_F_IP_CSUM) {
920 ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_TXCOE_CTL, 1, 1, &tmp);
921 tmp ^= AX_TXCOE_TCP | AX_TXCOE_UDP;
922 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_TXCOE_CTL, 1, 1, &tmp);
923 }
924
925 if (changed & NETIF_F_IPV6_CSUM) {
926 ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_TXCOE_CTL, 1, 1, &tmp);
927 tmp ^= AX_TXCOE_TCPV6 | AX_TXCOE_UDPV6;
928 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_TXCOE_CTL, 1, 1, &tmp);
929 }
930
931 if (changed & NETIF_F_RXCSUM) {
932 ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_RXCOE_CTL, 1, 1, &tmp);
933 tmp ^= AX_RXCOE_IP | AX_RXCOE_TCP | AX_RXCOE_UDP |
934 AX_RXCOE_TCPV6 | AX_RXCOE_UDPV6;
935 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RXCOE_CTL, 1, 1, &tmp);
936 }
937
938 return 0;
939 }
940
ax88179_change_mtu(struct net_device * net,int new_mtu)941 static int ax88179_change_mtu(struct net_device *net, int new_mtu)
942 {
943 struct usbnet *dev = netdev_priv(net);
944 u16 tmp16;
945
946 net->mtu = new_mtu;
947 dev->hard_mtu = net->mtu + net->hard_header_len;
948
949 if (net->mtu > 1500) {
950 ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
951 2, 2, &tmp16);
952 tmp16 |= AX_MEDIUM_JUMBO_EN;
953 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
954 2, 2, &tmp16);
955 } else {
956 ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
957 2, 2, &tmp16);
958 tmp16 &= ~AX_MEDIUM_JUMBO_EN;
959 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
960 2, 2, &tmp16);
961 }
962
963 /* max qlen depend on hard_mtu and rx_urb_size */
964 usbnet_update_max_qlen(dev);
965
966 return 0;
967 }
968
ax88179_set_mac_addr(struct net_device * net,void * p)969 static int ax88179_set_mac_addr(struct net_device *net, void *p)
970 {
971 struct usbnet *dev = netdev_priv(net);
972 struct sockaddr *addr = p;
973 int ret;
974
975 if (netif_running(net))
976 return -EBUSY;
977 if (!is_valid_ether_addr(addr->sa_data))
978 return -EADDRNOTAVAIL;
979
980 eth_hw_addr_set(net, addr->sa_data);
981
982 /* Set the MAC address */
983 ret = ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_NODE_ID, ETH_ALEN,
984 ETH_ALEN, net->dev_addr);
985 if (ret < 0)
986 return ret;
987
988 return 0;
989 }
990
991 static const struct net_device_ops ax88179_netdev_ops = {
992 .ndo_open = usbnet_open,
993 .ndo_stop = usbnet_stop,
994 .ndo_start_xmit = usbnet_start_xmit,
995 .ndo_tx_timeout = usbnet_tx_timeout,
996 .ndo_get_stats64 = dev_get_tstats64,
997 .ndo_change_mtu = ax88179_change_mtu,
998 .ndo_set_mac_address = ax88179_set_mac_addr,
999 .ndo_validate_addr = eth_validate_addr,
1000 .ndo_eth_ioctl = ax88179_ioctl,
1001 .ndo_set_rx_mode = ax88179_set_multicast,
1002 .ndo_set_features = ax88179_set_features,
1003 };
1004
ax88179_check_eeprom(struct usbnet * dev)1005 static int ax88179_check_eeprom(struct usbnet *dev)
1006 {
1007 u8 i, buf, eeprom[20];
1008 u16 csum, delay = HZ / 10;
1009 unsigned long jtimeout;
1010
1011 /* Read EEPROM content */
1012 for (i = 0; i < 6; i++) {
1013 buf = i;
1014 if (ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_SROM_ADDR,
1015 1, 1, &buf) < 0)
1016 return -EINVAL;
1017
1018 buf = EEP_RD;
1019 if (ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_SROM_CMD,
1020 1, 1, &buf) < 0)
1021 return -EINVAL;
1022
1023 jtimeout = jiffies + delay;
1024 do {
1025 ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_SROM_CMD,
1026 1, 1, &buf);
1027
1028 if (time_after(jiffies, jtimeout))
1029 return -EINVAL;
1030
1031 } while (buf & EEP_BUSY);
1032
1033 __ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_SROM_DATA_LOW,
1034 2, 2, &eeprom[i * 2]);
1035
1036 if ((i == 0) && (eeprom[0] == 0xFF))
1037 return -EINVAL;
1038 }
1039
1040 csum = eeprom[6] + eeprom[7] + eeprom[8] + eeprom[9];
1041 csum = (csum >> 8) + (csum & 0xff);
1042 if ((csum + eeprom[10]) != 0xff)
1043 return -EINVAL;
1044
1045 return 0;
1046 }
1047
ax88179_check_efuse(struct usbnet * dev,u16 * ledmode)1048 static int ax88179_check_efuse(struct usbnet *dev, u16 *ledmode)
1049 {
1050 u8 i;
1051 u8 efuse[64];
1052 u16 csum = 0;
1053
1054 if (ax88179_read_cmd(dev, AX_ACCESS_EFUS, 0, 64, 64, efuse) < 0)
1055 return -EINVAL;
1056
1057 if (*efuse == 0xFF)
1058 return -EINVAL;
1059
1060 for (i = 0; i < 64; i++)
1061 csum = csum + efuse[i];
1062
1063 while (csum > 255)
1064 csum = (csum & 0x00FF) + ((csum >> 8) & 0x00FF);
1065
1066 if (csum != 0xFF)
1067 return -EINVAL;
1068
1069 *ledmode = (efuse[51] << 8) | efuse[52];
1070
1071 return 0;
1072 }
1073
ax88179_convert_old_led(struct usbnet * dev,u16 * ledvalue)1074 static int ax88179_convert_old_led(struct usbnet *dev, u16 *ledvalue)
1075 {
1076 u16 led;
1077
1078 /* Loaded the old eFuse LED Mode */
1079 if (ax88179_read_cmd(dev, AX_ACCESS_EEPROM, 0x3C, 1, 2, &led) < 0)
1080 return -EINVAL;
1081
1082 led >>= 8;
1083 switch (led) {
1084 case 0xFF:
1085 led = LED0_ACTIVE | LED1_LINK_10 | LED1_LINK_100 |
1086 LED1_LINK_1000 | LED2_ACTIVE | LED2_LINK_10 |
1087 LED2_LINK_100 | LED2_LINK_1000 | LED_VALID;
1088 break;
1089 case 0xFE:
1090 led = LED0_ACTIVE | LED1_LINK_1000 | LED2_LINK_100 | LED_VALID;
1091 break;
1092 case 0xFD:
1093 led = LED0_ACTIVE | LED1_LINK_1000 | LED2_LINK_100 |
1094 LED2_LINK_10 | LED_VALID;
1095 break;
1096 case 0xFC:
1097 led = LED0_ACTIVE | LED1_ACTIVE | LED1_LINK_1000 | LED2_ACTIVE |
1098 LED2_LINK_100 | LED2_LINK_10 | LED_VALID;
1099 break;
1100 default:
1101 led = LED0_ACTIVE | LED1_LINK_10 | LED1_LINK_100 |
1102 LED1_LINK_1000 | LED2_ACTIVE | LED2_LINK_10 |
1103 LED2_LINK_100 | LED2_LINK_1000 | LED_VALID;
1104 break;
1105 }
1106
1107 *ledvalue = led;
1108
1109 return 0;
1110 }
1111
ax88179_led_setting(struct usbnet * dev)1112 static int ax88179_led_setting(struct usbnet *dev)
1113 {
1114 u8 ledfd, value = 0;
1115 u16 tmp, ledact, ledlink, ledvalue = 0, delay = HZ / 10;
1116 unsigned long jtimeout;
1117
1118 /* Check AX88179 version. UA1 or UA2*/
1119 ax88179_read_cmd(dev, AX_ACCESS_MAC, GENERAL_STATUS, 1, 1, &value);
1120
1121 if (!(value & AX_SECLD)) { /* UA1 */
1122 value = AX_GPIO_CTRL_GPIO3EN | AX_GPIO_CTRL_GPIO2EN |
1123 AX_GPIO_CTRL_GPIO1EN;
1124 if (ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_GPIO_CTRL,
1125 1, 1, &value) < 0)
1126 return -EINVAL;
1127 }
1128
1129 /* Check EEPROM */
1130 if (!ax88179_check_eeprom(dev)) {
1131 value = 0x42;
1132 if (ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_SROM_ADDR,
1133 1, 1, &value) < 0)
1134 return -EINVAL;
1135
1136 value = EEP_RD;
1137 if (ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_SROM_CMD,
1138 1, 1, &value) < 0)
1139 return -EINVAL;
1140
1141 jtimeout = jiffies + delay;
1142 do {
1143 ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_SROM_CMD,
1144 1, 1, &value);
1145
1146 if (time_after(jiffies, jtimeout))
1147 return -EINVAL;
1148
1149 } while (value & EEP_BUSY);
1150
1151 ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_SROM_DATA_HIGH,
1152 1, 1, &value);
1153 ledvalue = (value << 8);
1154
1155 ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_SROM_DATA_LOW,
1156 1, 1, &value);
1157 ledvalue |= value;
1158
1159 /* load internal ROM for defaule setting */
1160 if ((ledvalue == 0xFFFF) || ((ledvalue & LED_VALID) == 0))
1161 ax88179_convert_old_led(dev, &ledvalue);
1162
1163 } else if (!ax88179_check_efuse(dev, &ledvalue)) {
1164 if ((ledvalue == 0xFFFF) || ((ledvalue & LED_VALID) == 0))
1165 ax88179_convert_old_led(dev, &ledvalue);
1166 } else {
1167 ax88179_convert_old_led(dev, &ledvalue);
1168 }
1169
1170 tmp = GMII_PHY_PGSEL_EXT;
1171 ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1172 GMII_PHY_PAGE_SELECT, 2, &tmp);
1173
1174 tmp = 0x2c;
1175 ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1176 GMII_PHYPAGE, 2, &tmp);
1177
1178 ax88179_read_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1179 GMII_LED_ACT, 2, &ledact);
1180
1181 ax88179_read_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1182 GMII_LED_LINK, 2, &ledlink);
1183
1184 ledact &= GMII_LED_ACTIVE_MASK;
1185 ledlink &= GMII_LED_LINK_MASK;
1186
1187 if (ledvalue & LED0_ACTIVE)
1188 ledact |= GMII_LED0_ACTIVE;
1189
1190 if (ledvalue & LED1_ACTIVE)
1191 ledact |= GMII_LED1_ACTIVE;
1192
1193 if (ledvalue & LED2_ACTIVE)
1194 ledact |= GMII_LED2_ACTIVE;
1195
1196 if (ledvalue & LED0_LINK_10)
1197 ledlink |= GMII_LED0_LINK_10;
1198
1199 if (ledvalue & LED1_LINK_10)
1200 ledlink |= GMII_LED1_LINK_10;
1201
1202 if (ledvalue & LED2_LINK_10)
1203 ledlink |= GMII_LED2_LINK_10;
1204
1205 if (ledvalue & LED0_LINK_100)
1206 ledlink |= GMII_LED0_LINK_100;
1207
1208 if (ledvalue & LED1_LINK_100)
1209 ledlink |= GMII_LED1_LINK_100;
1210
1211 if (ledvalue & LED2_LINK_100)
1212 ledlink |= GMII_LED2_LINK_100;
1213
1214 if (ledvalue & LED0_LINK_1000)
1215 ledlink |= GMII_LED0_LINK_1000;
1216
1217 if (ledvalue & LED1_LINK_1000)
1218 ledlink |= GMII_LED1_LINK_1000;
1219
1220 if (ledvalue & LED2_LINK_1000)
1221 ledlink |= GMII_LED2_LINK_1000;
1222
1223 tmp = ledact;
1224 ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1225 GMII_LED_ACT, 2, &tmp);
1226
1227 tmp = ledlink;
1228 ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1229 GMII_LED_LINK, 2, &tmp);
1230
1231 tmp = GMII_PHY_PGSEL_PAGE0;
1232 ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1233 GMII_PHY_PAGE_SELECT, 2, &tmp);
1234
1235 /* LED full duplex setting */
1236 ledfd = 0;
1237 if (ledvalue & LED0_FD)
1238 ledfd |= 0x01;
1239 else if ((ledvalue & LED0_USB3_MASK) == 0)
1240 ledfd |= 0x02;
1241
1242 if (ledvalue & LED1_FD)
1243 ledfd |= 0x04;
1244 else if ((ledvalue & LED1_USB3_MASK) == 0)
1245 ledfd |= 0x08;
1246
1247 if (ledvalue & LED2_FD)
1248 ledfd |= 0x10;
1249 else if ((ledvalue & LED2_USB3_MASK) == 0)
1250 ledfd |= 0x20;
1251
1252 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_LEDCTRL, 1, 1, &ledfd);
1253
1254 return 0;
1255 }
1256
ax88179_get_mac_addr(struct usbnet * dev)1257 static void ax88179_get_mac_addr(struct usbnet *dev)
1258 {
1259 u8 mac[ETH_ALEN];
1260
1261 memset(mac, 0, sizeof(mac));
1262
1263 /* Maybe the boot loader passed the MAC address via device tree */
1264 if (!eth_platform_get_mac_address(&dev->udev->dev, mac)) {
1265 netif_dbg(dev, ifup, dev->net,
1266 "MAC address read from device tree");
1267 } else {
1268 ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_NODE_ID, ETH_ALEN,
1269 ETH_ALEN, mac);
1270 netif_dbg(dev, ifup, dev->net,
1271 "MAC address read from ASIX chip");
1272 }
1273
1274 if (is_valid_ether_addr(mac)) {
1275 eth_hw_addr_set(dev->net, mac);
1276 if (!is_local_ether_addr(mac))
1277 dev->net->addr_assign_type = NET_ADDR_PERM;
1278 } else {
1279 netdev_info(dev->net, "invalid MAC address, using random\n");
1280 eth_hw_addr_random(dev->net);
1281 }
1282
1283 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_NODE_ID, ETH_ALEN, ETH_ALEN,
1284 dev->net->dev_addr);
1285 }
1286
ax88179_bind(struct usbnet * dev,struct usb_interface * intf)1287 static int ax88179_bind(struct usbnet *dev, struct usb_interface *intf)
1288 {
1289 struct ax88179_data *ax179_data;
1290
1291 usbnet_get_endpoints(dev, intf);
1292
1293 ax179_data = kzalloc(sizeof(*ax179_data), GFP_KERNEL);
1294 if (!ax179_data)
1295 return -ENOMEM;
1296
1297 dev->driver_priv = ax179_data;
1298
1299 dev->net->netdev_ops = &ax88179_netdev_ops;
1300 dev->net->ethtool_ops = &ax88179_ethtool_ops;
1301 dev->net->needed_headroom = 8;
1302 dev->net->max_mtu = 4088;
1303
1304 /* Initialize MII structure */
1305 dev->mii.dev = dev->net;
1306 dev->mii.mdio_read = ax88179_mdio_read;
1307 dev->mii.mdio_write = ax88179_mdio_write;
1308 dev->mii.phy_id_mask = 0xff;
1309 dev->mii.reg_num_mask = 0xff;
1310 dev->mii.phy_id = 0x03;
1311 dev->mii.supports_gmii = 1;
1312
1313 dev->net->features |= NETIF_F_SG | NETIF_F_IP_CSUM |
1314 NETIF_F_IPV6_CSUM | NETIF_F_RXCSUM | NETIF_F_TSO;
1315
1316 dev->net->hw_features |= dev->net->features;
1317
1318 netif_set_tso_max_size(dev->net, 16384);
1319
1320 ax88179_reset(dev);
1321
1322 return 0;
1323 }
1324
ax88179_unbind(struct usbnet * dev,struct usb_interface * intf)1325 static void ax88179_unbind(struct usbnet *dev, struct usb_interface *intf)
1326 {
1327 struct ax88179_data *ax179_data = dev->driver_priv;
1328 u16 tmp16;
1329
1330 /* Configure RX control register => stop operation */
1331 tmp16 = AX_RX_CTL_STOP;
1332 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2, &tmp16);
1333
1334 tmp16 = 0;
1335 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, &tmp16);
1336
1337 /* Power down ethernet PHY */
1338 tmp16 = 0;
1339 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, &tmp16);
1340
1341 kfree(ax179_data);
1342 }
1343
1344 static void
ax88179_rx_checksum(struct sk_buff * skb,u32 * pkt_hdr)1345 ax88179_rx_checksum(struct sk_buff *skb, u32 *pkt_hdr)
1346 {
1347 skb->ip_summed = CHECKSUM_NONE;
1348
1349 /* checksum error bit is set */
1350 if ((*pkt_hdr & AX_RXHDR_L3CSUM_ERR) ||
1351 (*pkt_hdr & AX_RXHDR_L4CSUM_ERR))
1352 return;
1353
1354 /* It must be a TCP or UDP packet with a valid checksum */
1355 if (((*pkt_hdr & AX_RXHDR_L4_TYPE_MASK) == AX_RXHDR_L4_TYPE_TCP) ||
1356 ((*pkt_hdr & AX_RXHDR_L4_TYPE_MASK) == AX_RXHDR_L4_TYPE_UDP))
1357 skb->ip_summed = CHECKSUM_UNNECESSARY;
1358 }
1359
ax88179_rx_fixup(struct usbnet * dev,struct sk_buff * skb)1360 static int ax88179_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
1361 {
1362 struct sk_buff *ax_skb;
1363 int pkt_cnt;
1364 u32 rx_hdr;
1365 u16 hdr_off;
1366 u32 *pkt_hdr;
1367
1368 /* At the end of the SKB, there's a header telling us how many packets
1369 * are bundled into this buffer and where we can find an array of
1370 * per-packet metadata (which contains elements encoded into u16).
1371 */
1372
1373 /* SKB contents for current firmware:
1374 * <packet 1> <padding>
1375 * ...
1376 * <packet N> <padding>
1377 * <per-packet metadata entry 1> <dummy header>
1378 * ...
1379 * <per-packet metadata entry N> <dummy header>
1380 * <padding2> <rx_hdr>
1381 *
1382 * where:
1383 * <packet N> contains pkt_len bytes:
1384 * 2 bytes of IP alignment pseudo header
1385 * packet received
1386 * <per-packet metadata entry N> contains 4 bytes:
1387 * pkt_len and fields AX_RXHDR_*
1388 * <padding> 0-7 bytes to terminate at
1389 * 8 bytes boundary (64-bit).
1390 * <padding2> 4 bytes to make rx_hdr terminate at
1391 * 8 bytes boundary (64-bit)
1392 * <dummy-header> contains 4 bytes:
1393 * pkt_len=0 and AX_RXHDR_DROP_ERR
1394 * <rx-hdr> contains 4 bytes:
1395 * pkt_cnt and hdr_off (offset of
1396 * <per-packet metadata entry 1>)
1397 *
1398 * pkt_cnt is number of entrys in the per-packet metadata.
1399 * In current firmware there is 2 entrys per packet.
1400 * The first points to the packet and the
1401 * second is a dummy header.
1402 * This was done probably to align fields in 64-bit and
1403 * maintain compatibility with old firmware.
1404 * This code assumes that <dummy header> and <padding2> are
1405 * optional.
1406 */
1407
1408 if (skb->len < 4)
1409 return 0;
1410 skb_trim(skb, skb->len - 4);
1411 rx_hdr = get_unaligned_le32(skb_tail_pointer(skb));
1412 pkt_cnt = (u16)rx_hdr;
1413 hdr_off = (u16)(rx_hdr >> 16);
1414
1415 if (pkt_cnt == 0)
1416 return 0;
1417
1418 /* Make sure that the bounds of the metadata array are inside the SKB
1419 * (and in front of the counter at the end).
1420 */
1421 if (pkt_cnt * 4 + hdr_off > skb->len)
1422 return 0;
1423 pkt_hdr = (u32 *)(skb->data + hdr_off);
1424
1425 /* Packets must not overlap the metadata array */
1426 skb_trim(skb, hdr_off);
1427
1428 for (; pkt_cnt > 0; pkt_cnt--, pkt_hdr++) {
1429 u16 pkt_len_plus_padd;
1430 u16 pkt_len;
1431
1432 le32_to_cpus(pkt_hdr);
1433 pkt_len = (*pkt_hdr >> 16) & 0x1fff;
1434 pkt_len_plus_padd = (pkt_len + 7) & 0xfff8;
1435
1436 /* Skip dummy header used for alignment
1437 */
1438 if (pkt_len == 0)
1439 continue;
1440
1441 if (pkt_len_plus_padd > skb->len)
1442 return 0;
1443
1444 /* Check CRC or runt packet */
1445 if ((*pkt_hdr & (AX_RXHDR_CRC_ERR | AX_RXHDR_DROP_ERR)) ||
1446 pkt_len < 2 + ETH_HLEN) {
1447 dev->net->stats.rx_errors++;
1448 skb_pull(skb, pkt_len_plus_padd);
1449 continue;
1450 }
1451
1452 /* last packet */
1453 if (pkt_len_plus_padd == skb->len) {
1454 skb_trim(skb, pkt_len);
1455
1456 /* Skip IP alignment pseudo header */
1457 skb_pull(skb, 2);
1458
1459 ax88179_rx_checksum(skb, pkt_hdr);
1460 return 1;
1461 }
1462
1463 ax_skb = netdev_alloc_skb_ip_align(dev->net, pkt_len);
1464 if (!ax_skb)
1465 return 0;
1466 skb_put(ax_skb, pkt_len);
1467 memcpy(ax_skb->data, skb->data + 2, pkt_len);
1468
1469 ax88179_rx_checksum(ax_skb, pkt_hdr);
1470 usbnet_skb_return(dev, ax_skb);
1471
1472 skb_pull(skb, pkt_len_plus_padd);
1473 }
1474
1475 return 0;
1476 }
1477
1478 static struct sk_buff *
ax88179_tx_fixup(struct usbnet * dev,struct sk_buff * skb,gfp_t flags)1479 ax88179_tx_fixup(struct usbnet *dev, struct sk_buff *skb, gfp_t flags)
1480 {
1481 u32 tx_hdr1, tx_hdr2;
1482 int frame_size = dev->maxpacket;
1483 int headroom;
1484 void *ptr;
1485
1486 tx_hdr1 = skb->len;
1487 tx_hdr2 = skb_shinfo(skb)->gso_size; /* Set TSO mss */
1488 if (((skb->len + 8) % frame_size) == 0)
1489 tx_hdr2 |= 0x80008000; /* Enable padding */
1490
1491 headroom = skb_headroom(skb) - 8;
1492
1493 if ((dev->net->features & NETIF_F_SG) && skb_linearize(skb))
1494 return NULL;
1495
1496 if ((skb_header_cloned(skb) || headroom < 0) &&
1497 pskb_expand_head(skb, headroom < 0 ? 8 : 0, 0, GFP_ATOMIC)) {
1498 dev_kfree_skb_any(skb);
1499 return NULL;
1500 }
1501
1502 ptr = skb_push(skb, 8);
1503 put_unaligned_le32(tx_hdr1, ptr);
1504 put_unaligned_le32(tx_hdr2, ptr + 4);
1505
1506 usbnet_set_skb_tx_stats(skb, (skb_shinfo(skb)->gso_segs ?: 1), 0);
1507
1508 return skb;
1509 }
1510
ax88179_link_reset(struct usbnet * dev)1511 static int ax88179_link_reset(struct usbnet *dev)
1512 {
1513 struct ax88179_data *ax179_data = dev->driver_priv;
1514 u8 tmp[5], link_sts;
1515 u16 mode, tmp16, delay = HZ / 10;
1516 u32 tmp32 = 0x40000000;
1517 unsigned long jtimeout;
1518
1519 jtimeout = jiffies + delay;
1520 while (tmp32 & 0x40000000) {
1521 mode = 0;
1522 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2, &mode);
1523 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2,
1524 &ax179_data->rxctl);
1525
1526 /*link up, check the usb device control TX FIFO full or empty*/
1527 ax88179_read_cmd(dev, 0x81, 0x8c, 0, 4, &tmp32);
1528
1529 if (time_after(jiffies, jtimeout))
1530 return 0;
1531 }
1532
1533 mode = AX_MEDIUM_RECEIVE_EN | AX_MEDIUM_TXFLOW_CTRLEN |
1534 AX_MEDIUM_RXFLOW_CTRLEN;
1535
1536 ax88179_read_cmd(dev, AX_ACCESS_MAC, PHYSICAL_LINK_STATUS,
1537 1, 1, &link_sts);
1538
1539 ax88179_read_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1540 GMII_PHY_PHYSR, 2, &tmp16);
1541
1542 if (!(tmp16 & GMII_PHY_PHYSR_LINK)) {
1543 return 0;
1544 } else if (GMII_PHY_PHYSR_GIGA == (tmp16 & GMII_PHY_PHYSR_SMASK)) {
1545 mode |= AX_MEDIUM_GIGAMODE | AX_MEDIUM_EN_125MHZ;
1546 if (dev->net->mtu > 1500)
1547 mode |= AX_MEDIUM_JUMBO_EN;
1548
1549 if (link_sts & AX_USB_SS)
1550 memcpy(tmp, &AX88179_BULKIN_SIZE[0], 5);
1551 else if (link_sts & AX_USB_HS)
1552 memcpy(tmp, &AX88179_BULKIN_SIZE[1], 5);
1553 else
1554 memcpy(tmp, &AX88179_BULKIN_SIZE[3], 5);
1555 } else if (GMII_PHY_PHYSR_100 == (tmp16 & GMII_PHY_PHYSR_SMASK)) {
1556 mode |= AX_MEDIUM_PS;
1557
1558 if (link_sts & (AX_USB_SS | AX_USB_HS))
1559 memcpy(tmp, &AX88179_BULKIN_SIZE[2], 5);
1560 else
1561 memcpy(tmp, &AX88179_BULKIN_SIZE[3], 5);
1562 } else {
1563 memcpy(tmp, &AX88179_BULKIN_SIZE[3], 5);
1564 }
1565
1566 /* RX bulk configuration */
1567 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_BULKIN_QCTRL, 5, 5, tmp);
1568
1569 dev->rx_urb_size = (1024 * (tmp[3] + 2));
1570
1571 if (tmp16 & GMII_PHY_PHYSR_FULL)
1572 mode |= AX_MEDIUM_FULL_DUPLEX;
1573 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
1574 2, 2, &mode);
1575
1576 ax179_data->eee_enabled = ax88179_chk_eee(dev);
1577
1578 netif_carrier_on(dev->net);
1579
1580 return 0;
1581 }
1582
ax88179_reset(struct usbnet * dev)1583 static int ax88179_reset(struct usbnet *dev)
1584 {
1585 u8 buf[5];
1586 u16 *tmp16;
1587 u8 *tmp;
1588 struct ax88179_data *ax179_data = dev->driver_priv;
1589 struct ethtool_eee eee_data;
1590
1591 tmp16 = (u16 *)buf;
1592 tmp = (u8 *)buf;
1593
1594 /* Power up ethernet PHY */
1595 *tmp16 = 0;
1596 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, tmp16);
1597
1598 *tmp16 = AX_PHYPWR_RSTCTL_IPRL;
1599 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, tmp16);
1600 msleep(500);
1601
1602 *tmp = AX_CLK_SELECT_ACS | AX_CLK_SELECT_BCS;
1603 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, tmp);
1604 msleep(200);
1605
1606 /* Ethernet PHY Auto Detach*/
1607 ax88179_auto_detach(dev);
1608
1609 /* Read MAC address from DTB or asix chip */
1610 ax88179_get_mac_addr(dev);
1611 memcpy(dev->net->perm_addr, dev->net->dev_addr, ETH_ALEN);
1612
1613 /* RX bulk configuration */
1614 memcpy(tmp, &AX88179_BULKIN_SIZE[0], 5);
1615 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_BULKIN_QCTRL, 5, 5, tmp);
1616
1617 dev->rx_urb_size = 1024 * 20;
1618
1619 *tmp = 0x34;
1620 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PAUSE_WATERLVL_LOW, 1, 1, tmp);
1621
1622 *tmp = 0x52;
1623 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PAUSE_WATERLVL_HIGH,
1624 1, 1, tmp);
1625
1626 /* Enable checksum offload */
1627 *tmp = AX_RXCOE_IP | AX_RXCOE_TCP | AX_RXCOE_UDP |
1628 AX_RXCOE_TCPV6 | AX_RXCOE_UDPV6;
1629 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RXCOE_CTL, 1, 1, tmp);
1630
1631 *tmp = AX_TXCOE_IP | AX_TXCOE_TCP | AX_TXCOE_UDP |
1632 AX_TXCOE_TCPV6 | AX_TXCOE_UDPV6;
1633 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_TXCOE_CTL, 1, 1, tmp);
1634
1635 /* Configure RX control register => start operation */
1636 *tmp16 = AX_RX_CTL_DROPCRCERR | AX_RX_CTL_IPE | AX_RX_CTL_START |
1637 AX_RX_CTL_AP | AX_RX_CTL_AMALL | AX_RX_CTL_AB;
1638 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2, tmp16);
1639
1640 *tmp = AX_MONITOR_MODE_PMETYPE | AX_MONITOR_MODE_PMEPOL |
1641 AX_MONITOR_MODE_RWMP;
1642 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MONITOR_MOD, 1, 1, tmp);
1643
1644 /* Configure default medium type => giga */
1645 *tmp16 = AX_MEDIUM_RECEIVE_EN | AX_MEDIUM_TXFLOW_CTRLEN |
1646 AX_MEDIUM_RXFLOW_CTRLEN | AX_MEDIUM_FULL_DUPLEX |
1647 AX_MEDIUM_GIGAMODE;
1648 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
1649 2, 2, tmp16);
1650
1651 /* Check if WoL is supported */
1652 ax179_data->wol_supported = 0;
1653 if (ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_MONITOR_MOD,
1654 1, 1, &tmp) > 0)
1655 ax179_data->wol_supported = WAKE_MAGIC | WAKE_PHY;
1656
1657 ax88179_led_setting(dev);
1658
1659 ax179_data->eee_enabled = 0;
1660 ax179_data->eee_active = 0;
1661
1662 ax88179_disable_eee(dev);
1663
1664 ax88179_ethtool_get_eee(dev, &eee_data);
1665 eee_data.advertised = 0;
1666 ax88179_ethtool_set_eee(dev, &eee_data);
1667
1668 /* Restart autoneg */
1669 mii_nway_restart(&dev->mii);
1670
1671 usbnet_link_change(dev, 0, 0);
1672
1673 return 0;
1674 }
1675
ax88179_net_reset(struct usbnet * dev)1676 static int ax88179_net_reset(struct usbnet *dev)
1677 {
1678 u16 tmp16;
1679
1680 ax88179_read_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID, GMII_PHY_PHYSR,
1681 2, &tmp16);
1682 if (tmp16) {
1683 ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
1684 2, 2, &tmp16);
1685 if (!(tmp16 & AX_MEDIUM_RECEIVE_EN)) {
1686 tmp16 |= AX_MEDIUM_RECEIVE_EN;
1687 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
1688 2, 2, &tmp16);
1689 }
1690 } else {
1691 ax88179_reset(dev);
1692 }
1693
1694 return 0;
1695 }
1696
ax88179_stop(struct usbnet * dev)1697 static int ax88179_stop(struct usbnet *dev)
1698 {
1699 u16 tmp16;
1700
1701 ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
1702 2, 2, &tmp16);
1703 tmp16 &= ~AX_MEDIUM_RECEIVE_EN;
1704 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
1705 2, 2, &tmp16);
1706
1707 return 0;
1708 }
1709
1710 static const struct driver_info ax88179_info = {
1711 .description = "ASIX AX88179 USB 3.0 Gigabit Ethernet",
1712 .bind = ax88179_bind,
1713 .unbind = ax88179_unbind,
1714 .status = ax88179_status,
1715 .link_reset = ax88179_link_reset,
1716 .reset = ax88179_net_reset,
1717 .stop = ax88179_stop,
1718 .flags = FLAG_ETHER | FLAG_FRAMING_AX,
1719 .rx_fixup = ax88179_rx_fixup,
1720 .tx_fixup = ax88179_tx_fixup,
1721 };
1722
1723 static const struct driver_info ax88178a_info = {
1724 .description = "ASIX AX88178A USB 2.0 Gigabit Ethernet",
1725 .bind = ax88179_bind,
1726 .unbind = ax88179_unbind,
1727 .status = ax88179_status,
1728 .link_reset = ax88179_link_reset,
1729 .reset = ax88179_net_reset,
1730 .stop = ax88179_stop,
1731 .flags = FLAG_ETHER | FLAG_FRAMING_AX,
1732 .rx_fixup = ax88179_rx_fixup,
1733 .tx_fixup = ax88179_tx_fixup,
1734 };
1735
1736 static const struct driver_info cypress_GX3_info = {
1737 .description = "Cypress GX3 SuperSpeed to Gigabit Ethernet Controller",
1738 .bind = ax88179_bind,
1739 .unbind = ax88179_unbind,
1740 .status = ax88179_status,
1741 .link_reset = ax88179_link_reset,
1742 .reset = ax88179_net_reset,
1743 .stop = ax88179_stop,
1744 .flags = FLAG_ETHER | FLAG_FRAMING_AX,
1745 .rx_fixup = ax88179_rx_fixup,
1746 .tx_fixup = ax88179_tx_fixup,
1747 };
1748
1749 static const struct driver_info dlink_dub1312_info = {
1750 .description = "D-Link DUB-1312 USB 3.0 to Gigabit Ethernet Adapter",
1751 .bind = ax88179_bind,
1752 .unbind = ax88179_unbind,
1753 .status = ax88179_status,
1754 .link_reset = ax88179_link_reset,
1755 .reset = ax88179_net_reset,
1756 .stop = ax88179_stop,
1757 .flags = FLAG_ETHER | FLAG_FRAMING_AX,
1758 .rx_fixup = ax88179_rx_fixup,
1759 .tx_fixup = ax88179_tx_fixup,
1760 };
1761
1762 static const struct driver_info sitecom_info = {
1763 .description = "Sitecom USB 3.0 to Gigabit Adapter",
1764 .bind = ax88179_bind,
1765 .unbind = ax88179_unbind,
1766 .status = ax88179_status,
1767 .link_reset = ax88179_link_reset,
1768 .reset = ax88179_net_reset,
1769 .stop = ax88179_stop,
1770 .flags = FLAG_ETHER | FLAG_FRAMING_AX,
1771 .rx_fixup = ax88179_rx_fixup,
1772 .tx_fixup = ax88179_tx_fixup,
1773 };
1774
1775 static const struct driver_info samsung_info = {
1776 .description = "Samsung USB Ethernet Adapter",
1777 .bind = ax88179_bind,
1778 .unbind = ax88179_unbind,
1779 .status = ax88179_status,
1780 .link_reset = ax88179_link_reset,
1781 .reset = ax88179_net_reset,
1782 .stop = ax88179_stop,
1783 .flags = FLAG_ETHER | FLAG_FRAMING_AX,
1784 .rx_fixup = ax88179_rx_fixup,
1785 .tx_fixup = ax88179_tx_fixup,
1786 };
1787
1788 static const struct driver_info lenovo_info = {
1789 .description = "Lenovo OneLinkDock Gigabit LAN",
1790 .bind = ax88179_bind,
1791 .unbind = ax88179_unbind,
1792 .status = ax88179_status,
1793 .link_reset = ax88179_link_reset,
1794 .reset = ax88179_net_reset,
1795 .stop = ax88179_stop,
1796 .flags = FLAG_ETHER | FLAG_FRAMING_AX,
1797 .rx_fixup = ax88179_rx_fixup,
1798 .tx_fixup = ax88179_tx_fixup,
1799 };
1800
1801 static const struct driver_info belkin_info = {
1802 .description = "Belkin USB Ethernet Adapter",
1803 .bind = ax88179_bind,
1804 .unbind = ax88179_unbind,
1805 .status = ax88179_status,
1806 .link_reset = ax88179_link_reset,
1807 .reset = ax88179_net_reset,
1808 .stop = ax88179_stop,
1809 .flags = FLAG_ETHER | FLAG_FRAMING_AX,
1810 .rx_fixup = ax88179_rx_fixup,
1811 .tx_fixup = ax88179_tx_fixup,
1812 };
1813
1814 static const struct driver_info toshiba_info = {
1815 .description = "Toshiba USB Ethernet Adapter",
1816 .bind = ax88179_bind,
1817 .unbind = ax88179_unbind,
1818 .status = ax88179_status,
1819 .link_reset = ax88179_link_reset,
1820 .reset = ax88179_net_reset,
1821 .stop = ax88179_stop,
1822 .flags = FLAG_ETHER | FLAG_FRAMING_AX,
1823 .rx_fixup = ax88179_rx_fixup,
1824 .tx_fixup = ax88179_tx_fixup,
1825 };
1826
1827 static const struct driver_info mct_info = {
1828 .description = "MCT USB 3.0 Gigabit Ethernet Adapter",
1829 .bind = ax88179_bind,
1830 .unbind = ax88179_unbind,
1831 .status = ax88179_status,
1832 .link_reset = ax88179_link_reset,
1833 .reset = ax88179_net_reset,
1834 .stop = ax88179_stop,
1835 .flags = FLAG_ETHER | FLAG_FRAMING_AX,
1836 .rx_fixup = ax88179_rx_fixup,
1837 .tx_fixup = ax88179_tx_fixup,
1838 };
1839
1840 static const struct driver_info at_umc2000_info = {
1841 .description = "AT-UMC2000 USB 3.0/USB 3.1 Gen 1 to Gigabit Ethernet Adapter",
1842 .bind = ax88179_bind,
1843 .unbind = ax88179_unbind,
1844 .status = ax88179_status,
1845 .link_reset = ax88179_link_reset,
1846 .reset = ax88179_net_reset,
1847 .stop = ax88179_stop,
1848 .flags = FLAG_ETHER | FLAG_FRAMING_AX,
1849 .rx_fixup = ax88179_rx_fixup,
1850 .tx_fixup = ax88179_tx_fixup,
1851 };
1852
1853 static const struct driver_info at_umc200_info = {
1854 .description = "AT-UMC200 USB 3.0/USB 3.1 Gen 1 to Fast Ethernet Adapter",
1855 .bind = ax88179_bind,
1856 .unbind = ax88179_unbind,
1857 .status = ax88179_status,
1858 .link_reset = ax88179_link_reset,
1859 .reset = ax88179_net_reset,
1860 .stop = ax88179_stop,
1861 .flags = FLAG_ETHER | FLAG_FRAMING_AX,
1862 .rx_fixup = ax88179_rx_fixup,
1863 .tx_fixup = ax88179_tx_fixup,
1864 };
1865
1866 static const struct driver_info at_umc2000sp_info = {
1867 .description = "AT-UMC2000/SP USB 3.0/USB 3.1 Gen 1 to Gigabit Ethernet Adapter",
1868 .bind = ax88179_bind,
1869 .unbind = ax88179_unbind,
1870 .status = ax88179_status,
1871 .link_reset = ax88179_link_reset,
1872 .reset = ax88179_net_reset,
1873 .stop = ax88179_stop,
1874 .flags = FLAG_ETHER | FLAG_FRAMING_AX,
1875 .rx_fixup = ax88179_rx_fixup,
1876 .tx_fixup = ax88179_tx_fixup,
1877 };
1878
1879 static const struct usb_device_id products[] = {
1880 {
1881 /* ASIX AX88179 10/100/1000 */
1882 USB_DEVICE_AND_INTERFACE_INFO(0x0b95, 0x1790, 0xff, 0xff, 0),
1883 .driver_info = (unsigned long)&ax88179_info,
1884 }, {
1885 /* ASIX AX88178A 10/100/1000 */
1886 USB_DEVICE_AND_INTERFACE_INFO(0x0b95, 0x178a, 0xff, 0xff, 0),
1887 .driver_info = (unsigned long)&ax88178a_info,
1888 }, {
1889 /* Cypress GX3 SuperSpeed to Gigabit Ethernet Bridge Controller */
1890 USB_DEVICE_AND_INTERFACE_INFO(0x04b4, 0x3610, 0xff, 0xff, 0),
1891 .driver_info = (unsigned long)&cypress_GX3_info,
1892 }, {
1893 /* D-Link DUB-1312 USB 3.0 to Gigabit Ethernet Adapter */
1894 USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x4a00, 0xff, 0xff, 0),
1895 .driver_info = (unsigned long)&dlink_dub1312_info,
1896 }, {
1897 /* Sitecom USB 3.0 to Gigabit Adapter */
1898 USB_DEVICE_AND_INTERFACE_INFO(0x0df6, 0x0072, 0xff, 0xff, 0),
1899 .driver_info = (unsigned long)&sitecom_info,
1900 }, {
1901 /* Samsung USB Ethernet Adapter */
1902 USB_DEVICE_AND_INTERFACE_INFO(0x04e8, 0xa100, 0xff, 0xff, 0),
1903 .driver_info = (unsigned long)&samsung_info,
1904 }, {
1905 /* Lenovo OneLinkDock Gigabit LAN */
1906 USB_DEVICE_AND_INTERFACE_INFO(0x17ef, 0x304b, 0xff, 0xff, 0),
1907 .driver_info = (unsigned long)&lenovo_info,
1908 }, {
1909 /* Belkin B2B128 USB 3.0 Hub + Gigabit Ethernet Adapter */
1910 USB_DEVICE_AND_INTERFACE_INFO(0x050d, 0x0128, 0xff, 0xff, 0),
1911 .driver_info = (unsigned long)&belkin_info,
1912 }, {
1913 /* Toshiba USB 3.0 GBit Ethernet Adapter */
1914 USB_DEVICE_AND_INTERFACE_INFO(0x0930, 0x0a13, 0xff, 0xff, 0),
1915 .driver_info = (unsigned long)&toshiba_info,
1916 }, {
1917 /* Magic Control Technology U3-A9003 USB 3.0 Gigabit Ethernet Adapter */
1918 USB_DEVICE_AND_INTERFACE_INFO(0x0711, 0x0179, 0xff, 0xff, 0),
1919 .driver_info = (unsigned long)&mct_info,
1920 }, {
1921 /* Allied Telesis AT-UMC2000 USB 3.0/USB 3.1 Gen 1 to Gigabit Ethernet Adapter */
1922 USB_DEVICE_AND_INTERFACE_INFO(0x07c9, 0x000e, 0xff, 0xff, 0),
1923 .driver_info = (unsigned long)&at_umc2000_info,
1924 }, {
1925 /* Allied Telesis AT-UMC200 USB 3.0/USB 3.1 Gen 1 to Fast Ethernet Adapter */
1926 USB_DEVICE_AND_INTERFACE_INFO(0x07c9, 0x000f, 0xff, 0xff, 0),
1927 .driver_info = (unsigned long)&at_umc200_info,
1928 }, {
1929 /* Allied Telesis AT-UMC2000/SP USB 3.0/USB 3.1 Gen 1 to Gigabit Ethernet Adapter */
1930 USB_DEVICE_AND_INTERFACE_INFO(0x07c9, 0x0010, 0xff, 0xff, 0),
1931 .driver_info = (unsigned long)&at_umc2000sp_info,
1932 },
1933 { },
1934 };
1935 MODULE_DEVICE_TABLE(usb, products);
1936
1937 static struct usb_driver ax88179_178a_driver = {
1938 .name = "ax88179_178a",
1939 .id_table = products,
1940 .probe = usbnet_probe,
1941 .suspend = ax88179_suspend,
1942 .resume = ax88179_resume,
1943 .reset_resume = ax88179_resume,
1944 .disconnect = ax88179_disconnect,
1945 .supports_autosuspend = 1,
1946 .disable_hub_initiated_lpm = 1,
1947 };
1948
1949 module_usb_driver(ax88179_178a_driver);
1950
1951 MODULE_DESCRIPTION("ASIX AX88179/178A based USB 3.0/2.0 Gigabit Ethernet Devices");
1952 MODULE_LICENSE("GPL");
1953