xref: /openbmc/linux/drivers/net/usb/ax88179_178a.c (revision 33ac9dba)
1 /*
2  * ASIX AX88179/178A USB 3.0/2.0 to Gigabit Ethernet Devices
3  *
4  * Copyright (C) 2011-2013 ASIX
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License
8  * as published by the Free Software Foundation; either version 2
9  * of the License, or (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, see <http://www.gnu.org/licenses/>.
18  */
19 
20 #include <linux/module.h>
21 #include <linux/etherdevice.h>
22 #include <linux/mii.h>
23 #include <linux/usb.h>
24 #include <linux/crc32.h>
25 #include <linux/usb/usbnet.h>
26 #include <uapi/linux/mdio.h>
27 #include <linux/mdio.h>
28 
29 #define AX88179_PHY_ID				0x03
30 #define AX_EEPROM_LEN				0x100
31 #define AX88179_EEPROM_MAGIC			0x17900b95
32 #define AX_MCAST_FLTSIZE			8
33 #define AX_MAX_MCAST				64
34 #define AX_INT_PPLS_LINK			((u32)BIT(16))
35 #define AX_RXHDR_L4_TYPE_MASK			0x1c
36 #define AX_RXHDR_L4_TYPE_UDP			4
37 #define AX_RXHDR_L4_TYPE_TCP			16
38 #define AX_RXHDR_L3CSUM_ERR			2
39 #define AX_RXHDR_L4CSUM_ERR			1
40 #define AX_RXHDR_CRC_ERR			((u32)BIT(29))
41 #define AX_RXHDR_DROP_ERR			((u32)BIT(31))
42 #define AX_ACCESS_MAC				0x01
43 #define AX_ACCESS_PHY				0x02
44 #define AX_ACCESS_EEPROM			0x04
45 #define AX_ACCESS_EFUS				0x05
46 #define AX_PAUSE_WATERLVL_HIGH			0x54
47 #define AX_PAUSE_WATERLVL_LOW			0x55
48 
49 #define PHYSICAL_LINK_STATUS			0x02
50 	#define	AX_USB_SS		0x04
51 	#define	AX_USB_HS		0x02
52 
53 #define GENERAL_STATUS				0x03
54 /* Check AX88179 version. UA1:Bit2 = 0,  UA2:Bit2 = 1 */
55 	#define	AX_SECLD		0x04
56 
57 #define AX_SROM_ADDR				0x07
58 #define AX_SROM_CMD				0x0a
59 	#define EEP_RD			0x04
60 	#define EEP_BUSY		0x10
61 
62 #define AX_SROM_DATA_LOW			0x08
63 #define AX_SROM_DATA_HIGH			0x09
64 
65 #define AX_RX_CTL				0x0b
66 	#define AX_RX_CTL_DROPCRCERR	0x0100
67 	#define AX_RX_CTL_IPE		0x0200
68 	#define AX_RX_CTL_START		0x0080
69 	#define AX_RX_CTL_AP		0x0020
70 	#define AX_RX_CTL_AM		0x0010
71 	#define AX_RX_CTL_AB		0x0008
72 	#define AX_RX_CTL_AMALL		0x0002
73 	#define AX_RX_CTL_PRO		0x0001
74 	#define AX_RX_CTL_STOP		0x0000
75 
76 #define AX_NODE_ID				0x10
77 #define AX_MULFLTARY				0x16
78 
79 #define AX_MEDIUM_STATUS_MODE			0x22
80 	#define AX_MEDIUM_GIGAMODE	0x01
81 	#define AX_MEDIUM_FULL_DUPLEX	0x02
82 	#define AX_MEDIUM_EN_125MHZ	0x08
83 	#define AX_MEDIUM_RXFLOW_CTRLEN	0x10
84 	#define AX_MEDIUM_TXFLOW_CTRLEN	0x20
85 	#define AX_MEDIUM_RECEIVE_EN	0x100
86 	#define AX_MEDIUM_PS		0x200
87 	#define AX_MEDIUM_JUMBO_EN	0x8040
88 
89 #define AX_MONITOR_MOD				0x24
90 	#define AX_MONITOR_MODE_RWLC	0x02
91 	#define AX_MONITOR_MODE_RWMP	0x04
92 	#define AX_MONITOR_MODE_PMEPOL	0x20
93 	#define AX_MONITOR_MODE_PMETYPE	0x40
94 
95 #define AX_GPIO_CTRL				0x25
96 	#define AX_GPIO_CTRL_GPIO3EN	0x80
97 	#define AX_GPIO_CTRL_GPIO2EN	0x40
98 	#define AX_GPIO_CTRL_GPIO1EN	0x20
99 
100 #define AX_PHYPWR_RSTCTL			0x26
101 	#define AX_PHYPWR_RSTCTL_BZ	0x0010
102 	#define AX_PHYPWR_RSTCTL_IPRL	0x0020
103 	#define AX_PHYPWR_RSTCTL_AT	0x1000
104 
105 #define AX_RX_BULKIN_QCTRL			0x2e
106 #define AX_CLK_SELECT				0x33
107 	#define AX_CLK_SELECT_BCS	0x01
108 	#define AX_CLK_SELECT_ACS	0x02
109 	#define AX_CLK_SELECT_ULR	0x08
110 
111 #define AX_RXCOE_CTL				0x34
112 	#define AX_RXCOE_IP		0x01
113 	#define AX_RXCOE_TCP		0x02
114 	#define AX_RXCOE_UDP		0x04
115 	#define AX_RXCOE_TCPV6		0x20
116 	#define AX_RXCOE_UDPV6		0x40
117 
118 #define AX_TXCOE_CTL				0x35
119 	#define AX_TXCOE_IP		0x01
120 	#define AX_TXCOE_TCP		0x02
121 	#define AX_TXCOE_UDP		0x04
122 	#define AX_TXCOE_TCPV6		0x20
123 	#define AX_TXCOE_UDPV6		0x40
124 
125 #define AX_LEDCTRL				0x73
126 
127 #define GMII_PHY_PHYSR				0x11
128 	#define GMII_PHY_PHYSR_SMASK	0xc000
129 	#define GMII_PHY_PHYSR_GIGA	0x8000
130 	#define GMII_PHY_PHYSR_100	0x4000
131 	#define GMII_PHY_PHYSR_FULL	0x2000
132 	#define GMII_PHY_PHYSR_LINK	0x400
133 
134 #define GMII_LED_ACT				0x1a
135 	#define	GMII_LED_ACTIVE_MASK	0xff8f
136 	#define	GMII_LED0_ACTIVE	BIT(4)
137 	#define	GMII_LED1_ACTIVE	BIT(5)
138 	#define	GMII_LED2_ACTIVE	BIT(6)
139 
140 #define GMII_LED_LINK				0x1c
141 	#define	GMII_LED_LINK_MASK	0xf888
142 	#define	GMII_LED0_LINK_10	BIT(0)
143 	#define	GMII_LED0_LINK_100	BIT(1)
144 	#define	GMII_LED0_LINK_1000	BIT(2)
145 	#define	GMII_LED1_LINK_10	BIT(4)
146 	#define	GMII_LED1_LINK_100	BIT(5)
147 	#define	GMII_LED1_LINK_1000	BIT(6)
148 	#define	GMII_LED2_LINK_10	BIT(8)
149 	#define	GMII_LED2_LINK_100	BIT(9)
150 	#define	GMII_LED2_LINK_1000	BIT(10)
151 	#define	LED0_ACTIVE		BIT(0)
152 	#define	LED0_LINK_10		BIT(1)
153 	#define	LED0_LINK_100		BIT(2)
154 	#define	LED0_LINK_1000		BIT(3)
155 	#define	LED0_FD			BIT(4)
156 	#define	LED0_USB3_MASK		0x001f
157 	#define	LED1_ACTIVE		BIT(5)
158 	#define	LED1_LINK_10		BIT(6)
159 	#define	LED1_LINK_100		BIT(7)
160 	#define	LED1_LINK_1000		BIT(8)
161 	#define	LED1_FD			BIT(9)
162 	#define	LED1_USB3_MASK		0x03e0
163 	#define	LED2_ACTIVE		BIT(10)
164 	#define	LED2_LINK_1000		BIT(13)
165 	#define	LED2_LINK_100		BIT(12)
166 	#define	LED2_LINK_10		BIT(11)
167 	#define	LED2_FD			BIT(14)
168 	#define	LED_VALID		BIT(15)
169 	#define	LED2_USB3_MASK		0x7c00
170 
171 #define GMII_PHYPAGE				0x1e
172 #define GMII_PHY_PAGE_SELECT			0x1f
173 	#define GMII_PHY_PGSEL_EXT	0x0007
174 	#define GMII_PHY_PGSEL_PAGE0	0x0000
175 	#define GMII_PHY_PGSEL_PAGE3	0x0003
176 	#define GMII_PHY_PGSEL_PAGE5	0x0005
177 
178 struct ax88179_data {
179 	u8  eee_enabled;
180 	u8  eee_active;
181 	u16 rxctl;
182 	u16 reserved;
183 };
184 
185 struct ax88179_int_data {
186 	__le32 intdata1;
187 	__le32 intdata2;
188 };
189 
190 static const struct {
191 	unsigned char ctrl, timer_l, timer_h, size, ifg;
192 } AX88179_BULKIN_SIZE[] =	{
193 	{7, 0x4f, 0,	0x12, 0xff},
194 	{7, 0x20, 3,	0x16, 0xff},
195 	{7, 0xae, 7,	0x18, 0xff},
196 	{7, 0xcc, 0x4c, 0x18, 8},
197 };
198 
199 static int __ax88179_read_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
200 			      u16 size, void *data, int in_pm)
201 {
202 	int ret;
203 	int (*fn)(struct usbnet *, u8, u8, u16, u16, void *, u16);
204 
205 	BUG_ON(!dev);
206 
207 	if (!in_pm)
208 		fn = usbnet_read_cmd;
209 	else
210 		fn = usbnet_read_cmd_nopm;
211 
212 	ret = fn(dev, cmd, USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
213 		 value, index, data, size);
214 
215 	if (unlikely(ret < 0))
216 		netdev_warn(dev->net, "Failed to read reg index 0x%04x: %d\n",
217 			    index, ret);
218 
219 	return ret;
220 }
221 
222 static int __ax88179_write_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
223 			       u16 size, void *data, int in_pm)
224 {
225 	int ret;
226 	int (*fn)(struct usbnet *, u8, u8, u16, u16, const void *, u16);
227 
228 	BUG_ON(!dev);
229 
230 	if (!in_pm)
231 		fn = usbnet_write_cmd;
232 	else
233 		fn = usbnet_write_cmd_nopm;
234 
235 	ret = fn(dev, cmd, USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
236 		 value, index, data, size);
237 
238 	if (unlikely(ret < 0))
239 		netdev_warn(dev->net, "Failed to write reg index 0x%04x: %d\n",
240 			    index, ret);
241 
242 	return ret;
243 }
244 
245 static void ax88179_write_cmd_async(struct usbnet *dev, u8 cmd, u16 value,
246 				    u16 index, u16 size, void *data)
247 {
248 	u16 buf;
249 
250 	if (2 == size) {
251 		buf = *((u16 *)data);
252 		cpu_to_le16s(&buf);
253 		usbnet_write_cmd_async(dev, cmd, USB_DIR_OUT | USB_TYPE_VENDOR |
254 				       USB_RECIP_DEVICE, value, index, &buf,
255 				       size);
256 	} else {
257 		usbnet_write_cmd_async(dev, cmd, USB_DIR_OUT | USB_TYPE_VENDOR |
258 				       USB_RECIP_DEVICE, value, index, data,
259 				       size);
260 	}
261 }
262 
263 static int ax88179_read_cmd_nopm(struct usbnet *dev, u8 cmd, u16 value,
264 				 u16 index, u16 size, void *data)
265 {
266 	int ret;
267 
268 	if (2 == size) {
269 		u16 buf;
270 		ret = __ax88179_read_cmd(dev, cmd, value, index, size, &buf, 1);
271 		le16_to_cpus(&buf);
272 		*((u16 *)data) = buf;
273 	} else if (4 == size) {
274 		u32 buf;
275 		ret = __ax88179_read_cmd(dev, cmd, value, index, size, &buf, 1);
276 		le32_to_cpus(&buf);
277 		*((u32 *)data) = buf;
278 	} else {
279 		ret = __ax88179_read_cmd(dev, cmd, value, index, size, data, 1);
280 	}
281 
282 	return ret;
283 }
284 
285 static int ax88179_write_cmd_nopm(struct usbnet *dev, u8 cmd, u16 value,
286 				  u16 index, u16 size, void *data)
287 {
288 	int ret;
289 
290 	if (2 == size) {
291 		u16 buf;
292 		buf = *((u16 *)data);
293 		cpu_to_le16s(&buf);
294 		ret = __ax88179_write_cmd(dev, cmd, value, index,
295 					  size, &buf, 1);
296 	} else {
297 		ret = __ax88179_write_cmd(dev, cmd, value, index,
298 					  size, data, 1);
299 	}
300 
301 	return ret;
302 }
303 
304 static int ax88179_read_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
305 			    u16 size, void *data)
306 {
307 	int ret;
308 
309 	if (2 == size) {
310 		u16 buf;
311 		ret = __ax88179_read_cmd(dev, cmd, value, index, size, &buf, 0);
312 		le16_to_cpus(&buf);
313 		*((u16 *)data) = buf;
314 	} else if (4 == size) {
315 		u32 buf;
316 		ret = __ax88179_read_cmd(dev, cmd, value, index, size, &buf, 0);
317 		le32_to_cpus(&buf);
318 		*((u32 *)data) = buf;
319 	} else {
320 		ret = __ax88179_read_cmd(dev, cmd, value, index, size, data, 0);
321 	}
322 
323 	return ret;
324 }
325 
326 static int ax88179_write_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
327 			     u16 size, void *data)
328 {
329 	int ret;
330 
331 	if (2 == size) {
332 		u16 buf;
333 		buf = *((u16 *)data);
334 		cpu_to_le16s(&buf);
335 		ret = __ax88179_write_cmd(dev, cmd, value, index,
336 					  size, &buf, 0);
337 	} else {
338 		ret = __ax88179_write_cmd(dev, cmd, value, index,
339 					  size, data, 0);
340 	}
341 
342 	return ret;
343 }
344 
345 static void ax88179_status(struct usbnet *dev, struct urb *urb)
346 {
347 	struct ax88179_int_data *event;
348 	u32 link;
349 
350 	if (urb->actual_length < 8)
351 		return;
352 
353 	event = urb->transfer_buffer;
354 	le32_to_cpus((void *)&event->intdata1);
355 
356 	link = (((__force u32)event->intdata1) & AX_INT_PPLS_LINK) >> 16;
357 
358 	if (netif_carrier_ok(dev->net) != link) {
359 		usbnet_link_change(dev, link, 1);
360 		netdev_info(dev->net, "ax88179 - Link status is: %d\n", link);
361 	}
362 }
363 
364 static int ax88179_mdio_read(struct net_device *netdev, int phy_id, int loc)
365 {
366 	struct usbnet *dev = netdev_priv(netdev);
367 	u16 res;
368 
369 	ax88179_read_cmd(dev, AX_ACCESS_PHY, phy_id, (__u16)loc, 2, &res);
370 	return res;
371 }
372 
373 static void ax88179_mdio_write(struct net_device *netdev, int phy_id, int loc,
374 			       int val)
375 {
376 	struct usbnet *dev = netdev_priv(netdev);
377 	u16 res = (u16) val;
378 
379 	ax88179_write_cmd(dev, AX_ACCESS_PHY, phy_id, (__u16)loc, 2, &res);
380 }
381 
382 static inline int ax88179_phy_mmd_indirect(struct usbnet *dev, u16 prtad,
383 					   u16 devad)
384 {
385 	u16 tmp16;
386 	int ret;
387 
388 	tmp16 = devad;
389 	ret = ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
390 				MII_MMD_CTRL, 2, &tmp16);
391 
392 	tmp16 = prtad;
393 	ret = ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
394 				MII_MMD_DATA, 2, &tmp16);
395 
396 	tmp16 = devad | MII_MMD_CTRL_NOINCR;
397 	ret = ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
398 				MII_MMD_CTRL, 2, &tmp16);
399 
400 	return ret;
401 }
402 
403 static int
404 ax88179_phy_read_mmd_indirect(struct usbnet *dev, u16 prtad, u16 devad)
405 {
406 	int ret;
407 	u16 tmp16;
408 
409 	ax88179_phy_mmd_indirect(dev, prtad, devad);
410 
411 	ret = ax88179_read_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
412 			       MII_MMD_DATA, 2, &tmp16);
413 	if (ret < 0)
414 		return ret;
415 
416 	return tmp16;
417 }
418 
419 static int
420 ax88179_phy_write_mmd_indirect(struct usbnet *dev, u16 prtad, u16 devad,
421 			       u16 data)
422 {
423 	int ret;
424 
425 	ax88179_phy_mmd_indirect(dev, prtad, devad);
426 
427 	ret = ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
428 				MII_MMD_DATA, 2, &data);
429 
430 	if (ret < 0)
431 		return ret;
432 
433 	return 0;
434 }
435 
436 static int ax88179_suspend(struct usb_interface *intf, pm_message_t message)
437 {
438 	struct usbnet *dev = usb_get_intfdata(intf);
439 	u16 tmp16;
440 	u8 tmp8;
441 
442 	usbnet_suspend(intf, message);
443 
444 	/* Disable RX path */
445 	ax88179_read_cmd_nopm(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
446 			      2, 2, &tmp16);
447 	tmp16 &= ~AX_MEDIUM_RECEIVE_EN;
448 	ax88179_write_cmd_nopm(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
449 			       2, 2, &tmp16);
450 
451 	/* Force bulk-in zero length */
452 	ax88179_read_cmd_nopm(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL,
453 			      2, 2, &tmp16);
454 
455 	tmp16 |= AX_PHYPWR_RSTCTL_BZ | AX_PHYPWR_RSTCTL_IPRL;
456 	ax88179_write_cmd_nopm(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL,
457 			       2, 2, &tmp16);
458 
459 	/* change clock */
460 	tmp8 = 0;
461 	ax88179_write_cmd_nopm(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, &tmp8);
462 
463 	/* Configure RX control register => stop operation */
464 	tmp16 = AX_RX_CTL_STOP;
465 	ax88179_write_cmd_nopm(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2, &tmp16);
466 
467 	return 0;
468 }
469 
470 /* This function is used to enable the autodetach function. */
471 /* This function is determined by offset 0x43 of EEPROM */
472 static int ax88179_auto_detach(struct usbnet *dev, int in_pm)
473 {
474 	u16 tmp16;
475 	u8 tmp8;
476 	int (*fnr)(struct usbnet *, u8, u16, u16, u16, void *);
477 	int (*fnw)(struct usbnet *, u8, u16, u16, u16, void *);
478 
479 	if (!in_pm) {
480 		fnr = ax88179_read_cmd;
481 		fnw = ax88179_write_cmd;
482 	} else {
483 		fnr = ax88179_read_cmd_nopm;
484 		fnw = ax88179_write_cmd_nopm;
485 	}
486 
487 	if (fnr(dev, AX_ACCESS_EEPROM, 0x43, 1, 2, &tmp16) < 0)
488 		return 0;
489 
490 	if ((tmp16 == 0xFFFF) || (!(tmp16 & 0x0100)))
491 		return 0;
492 
493 	/* Enable Auto Detach bit */
494 	tmp8 = 0;
495 	fnr(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, &tmp8);
496 	tmp8 |= AX_CLK_SELECT_ULR;
497 	fnw(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, &tmp8);
498 
499 	fnr(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, &tmp16);
500 	tmp16 |= AX_PHYPWR_RSTCTL_AT;
501 	fnw(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, &tmp16);
502 
503 	return 0;
504 }
505 
506 static int ax88179_resume(struct usb_interface *intf)
507 {
508 	struct usbnet *dev = usb_get_intfdata(intf);
509 	u16 tmp16;
510 	u8 tmp8;
511 
512 	usbnet_link_change(dev, 0, 0);
513 
514 	/* Power up ethernet PHY */
515 	tmp16 = 0;
516 	ax88179_write_cmd_nopm(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL,
517 			       2, 2, &tmp16);
518 	udelay(1000);
519 
520 	tmp16 = AX_PHYPWR_RSTCTL_IPRL;
521 	ax88179_write_cmd_nopm(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL,
522 			       2, 2, &tmp16);
523 	msleep(200);
524 
525 	/* Ethernet PHY Auto Detach*/
526 	ax88179_auto_detach(dev, 1);
527 
528 	/* Enable clock */
529 	ax88179_read_cmd_nopm(dev, AX_ACCESS_MAC,  AX_CLK_SELECT, 1, 1, &tmp8);
530 	tmp8 |= AX_CLK_SELECT_ACS | AX_CLK_SELECT_BCS;
531 	ax88179_write_cmd_nopm(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, &tmp8);
532 	msleep(100);
533 
534 	/* Configure RX control register => start operation */
535 	tmp16 = AX_RX_CTL_DROPCRCERR | AX_RX_CTL_IPE | AX_RX_CTL_START |
536 		AX_RX_CTL_AP | AX_RX_CTL_AMALL | AX_RX_CTL_AB;
537 	ax88179_write_cmd_nopm(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2, &tmp16);
538 
539 	return usbnet_resume(intf);
540 }
541 
542 static void
543 ax88179_get_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo)
544 {
545 	struct usbnet *dev = netdev_priv(net);
546 	u8 opt;
547 
548 	if (ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_MONITOR_MOD,
549 			     1, 1, &opt) < 0) {
550 		wolinfo->supported = 0;
551 		wolinfo->wolopts = 0;
552 		return;
553 	}
554 
555 	wolinfo->supported = WAKE_PHY | WAKE_MAGIC;
556 	wolinfo->wolopts = 0;
557 	if (opt & AX_MONITOR_MODE_RWLC)
558 		wolinfo->wolopts |= WAKE_PHY;
559 	if (opt & AX_MONITOR_MODE_RWMP)
560 		wolinfo->wolopts |= WAKE_MAGIC;
561 }
562 
563 static int
564 ax88179_set_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo)
565 {
566 	struct usbnet *dev = netdev_priv(net);
567 	u8 opt = 0;
568 
569 	if (wolinfo->wolopts & WAKE_PHY)
570 		opt |= AX_MONITOR_MODE_RWLC;
571 	if (wolinfo->wolopts & WAKE_MAGIC)
572 		opt |= AX_MONITOR_MODE_RWMP;
573 
574 	if (ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MONITOR_MOD,
575 			      1, 1, &opt) < 0)
576 		return -EINVAL;
577 
578 	return 0;
579 }
580 
581 static int ax88179_get_eeprom_len(struct net_device *net)
582 {
583 	return AX_EEPROM_LEN;
584 }
585 
586 static int
587 ax88179_get_eeprom(struct net_device *net, struct ethtool_eeprom *eeprom,
588 		   u8 *data)
589 {
590 	struct usbnet *dev = netdev_priv(net);
591 	u16 *eeprom_buff;
592 	int first_word, last_word;
593 	int i, ret;
594 
595 	if (eeprom->len == 0)
596 		return -EINVAL;
597 
598 	eeprom->magic = AX88179_EEPROM_MAGIC;
599 
600 	first_word = eeprom->offset >> 1;
601 	last_word = (eeprom->offset + eeprom->len - 1) >> 1;
602 	eeprom_buff = kmalloc(sizeof(u16) * (last_word - first_word + 1),
603 			      GFP_KERNEL);
604 	if (!eeprom_buff)
605 		return -ENOMEM;
606 
607 	/* ax88179/178A returns 2 bytes from eeprom on read */
608 	for (i = first_word; i <= last_word; i++) {
609 		ret = __ax88179_read_cmd(dev, AX_ACCESS_EEPROM, i, 1, 2,
610 					 &eeprom_buff[i - first_word],
611 					 0);
612 		if (ret < 0) {
613 			kfree(eeprom_buff);
614 			return -EIO;
615 		}
616 	}
617 
618 	memcpy(data, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
619 	kfree(eeprom_buff);
620 	return 0;
621 }
622 
623 static int ax88179_get_settings(struct net_device *net, struct ethtool_cmd *cmd)
624 {
625 	struct usbnet *dev = netdev_priv(net);
626 	return mii_ethtool_gset(&dev->mii, cmd);
627 }
628 
629 static int ax88179_set_settings(struct net_device *net, struct ethtool_cmd *cmd)
630 {
631 	struct usbnet *dev = netdev_priv(net);
632 	return mii_ethtool_sset(&dev->mii, cmd);
633 }
634 
635 static int
636 ax88179_ethtool_get_eee(struct usbnet *dev, struct ethtool_eee *data)
637 {
638 	int val;
639 
640 	/* Get Supported EEE */
641 	val = ax88179_phy_read_mmd_indirect(dev, MDIO_PCS_EEE_ABLE,
642 					    MDIO_MMD_PCS);
643 	if (val < 0)
644 		return val;
645 	data->supported = mmd_eee_cap_to_ethtool_sup_t(val);
646 
647 	/* Get advertisement EEE */
648 	val = ax88179_phy_read_mmd_indirect(dev, MDIO_AN_EEE_ADV,
649 					    MDIO_MMD_AN);
650 	if (val < 0)
651 		return val;
652 	data->advertised = mmd_eee_adv_to_ethtool_adv_t(val);
653 
654 	/* Get LP advertisement EEE */
655 	val = ax88179_phy_read_mmd_indirect(dev, MDIO_AN_EEE_LPABLE,
656 					    MDIO_MMD_AN);
657 	if (val < 0)
658 		return val;
659 	data->lp_advertised = mmd_eee_adv_to_ethtool_adv_t(val);
660 
661 	return 0;
662 }
663 
664 static int
665 ax88179_ethtool_set_eee(struct usbnet *dev, struct ethtool_eee *data)
666 {
667 	u16 tmp16 = ethtool_adv_to_mmd_eee_adv_t(data->advertised);
668 
669 	return ax88179_phy_write_mmd_indirect(dev, MDIO_AN_EEE_ADV,
670 					      MDIO_MMD_AN, tmp16);
671 }
672 
673 static int ax88179_chk_eee(struct usbnet *dev)
674 {
675 	struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET };
676 	struct ax88179_data *priv = (struct ax88179_data *)dev->data;
677 
678 	mii_ethtool_gset(&dev->mii, &ecmd);
679 
680 	if (ecmd.duplex & DUPLEX_FULL) {
681 		int eee_lp, eee_cap, eee_adv;
682 		u32 lp, cap, adv, supported = 0;
683 
684 		eee_cap = ax88179_phy_read_mmd_indirect(dev,
685 							MDIO_PCS_EEE_ABLE,
686 							MDIO_MMD_PCS);
687 		if (eee_cap < 0) {
688 			priv->eee_active = 0;
689 			return false;
690 		}
691 
692 		cap = mmd_eee_cap_to_ethtool_sup_t(eee_cap);
693 		if (!cap) {
694 			priv->eee_active = 0;
695 			return false;
696 		}
697 
698 		eee_lp = ax88179_phy_read_mmd_indirect(dev,
699 						       MDIO_AN_EEE_LPABLE,
700 						       MDIO_MMD_AN);
701 		if (eee_lp < 0) {
702 			priv->eee_active = 0;
703 			return false;
704 		}
705 
706 		eee_adv = ax88179_phy_read_mmd_indirect(dev,
707 							MDIO_AN_EEE_ADV,
708 							MDIO_MMD_AN);
709 
710 		if (eee_adv < 0) {
711 			priv->eee_active = 0;
712 			return false;
713 		}
714 
715 		adv = mmd_eee_adv_to_ethtool_adv_t(eee_adv);
716 		lp = mmd_eee_adv_to_ethtool_adv_t(eee_lp);
717 		supported = (ecmd.speed == SPEED_1000) ?
718 			     SUPPORTED_1000baseT_Full :
719 			     SUPPORTED_100baseT_Full;
720 
721 		if (!(lp & adv & supported)) {
722 			priv->eee_active = 0;
723 			return false;
724 		}
725 
726 		priv->eee_active = 1;
727 		return true;
728 	}
729 
730 	priv->eee_active = 0;
731 	return false;
732 }
733 
734 static void ax88179_disable_eee(struct usbnet *dev)
735 {
736 	u16 tmp16;
737 
738 	tmp16 = GMII_PHY_PGSEL_PAGE3;
739 	ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
740 			  GMII_PHY_PAGE_SELECT, 2, &tmp16);
741 
742 	tmp16 = 0x3246;
743 	ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
744 			  MII_PHYADDR, 2, &tmp16);
745 
746 	tmp16 = GMII_PHY_PGSEL_PAGE0;
747 	ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
748 			  GMII_PHY_PAGE_SELECT, 2, &tmp16);
749 }
750 
751 static void ax88179_enable_eee(struct usbnet *dev)
752 {
753 	u16 tmp16;
754 
755 	tmp16 = GMII_PHY_PGSEL_PAGE3;
756 	ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
757 			  GMII_PHY_PAGE_SELECT, 2, &tmp16);
758 
759 	tmp16 = 0x3247;
760 	ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
761 			  MII_PHYADDR, 2, &tmp16);
762 
763 	tmp16 = GMII_PHY_PGSEL_PAGE5;
764 	ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
765 			  GMII_PHY_PAGE_SELECT, 2, &tmp16);
766 
767 	tmp16 = 0x0680;
768 	ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
769 			  MII_BMSR, 2, &tmp16);
770 
771 	tmp16 = GMII_PHY_PGSEL_PAGE0;
772 	ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
773 			  GMII_PHY_PAGE_SELECT, 2, &tmp16);
774 }
775 
776 static int ax88179_get_eee(struct net_device *net, struct ethtool_eee *edata)
777 {
778 	struct usbnet *dev = netdev_priv(net);
779 	struct ax88179_data *priv = (struct ax88179_data *)dev->data;
780 
781 	edata->eee_enabled = priv->eee_enabled;
782 	edata->eee_active = priv->eee_active;
783 
784 	return ax88179_ethtool_get_eee(dev, edata);
785 }
786 
787 static int ax88179_set_eee(struct net_device *net, struct ethtool_eee *edata)
788 {
789 	struct usbnet *dev = netdev_priv(net);
790 	struct ax88179_data *priv = (struct ax88179_data *)dev->data;
791 	int ret = -EOPNOTSUPP;
792 
793 	priv->eee_enabled = edata->eee_enabled;
794 	if (!priv->eee_enabled) {
795 		ax88179_disable_eee(dev);
796 	} else {
797 		priv->eee_enabled = ax88179_chk_eee(dev);
798 		if (!priv->eee_enabled)
799 			return -EOPNOTSUPP;
800 
801 		ax88179_enable_eee(dev);
802 	}
803 
804 	ret = ax88179_ethtool_set_eee(dev, edata);
805 	if (ret)
806 		return ret;
807 
808 	mii_nway_restart(&dev->mii);
809 
810 	usbnet_link_change(dev, 0, 0);
811 
812 	return ret;
813 }
814 
815 static int ax88179_ioctl(struct net_device *net, struct ifreq *rq, int cmd)
816 {
817 	struct usbnet *dev = netdev_priv(net);
818 	return generic_mii_ioctl(&dev->mii, if_mii(rq), cmd, NULL);
819 }
820 
821 static const struct ethtool_ops ax88179_ethtool_ops = {
822 	.get_link		= ethtool_op_get_link,
823 	.get_msglevel		= usbnet_get_msglevel,
824 	.set_msglevel		= usbnet_set_msglevel,
825 	.get_wol		= ax88179_get_wol,
826 	.set_wol		= ax88179_set_wol,
827 	.get_eeprom_len		= ax88179_get_eeprom_len,
828 	.get_eeprom		= ax88179_get_eeprom,
829 	.get_settings		= ax88179_get_settings,
830 	.set_settings		= ax88179_set_settings,
831 	.get_eee		= ax88179_get_eee,
832 	.set_eee		= ax88179_set_eee,
833 	.nway_reset		= usbnet_nway_reset,
834 };
835 
836 static void ax88179_set_multicast(struct net_device *net)
837 {
838 	struct usbnet *dev = netdev_priv(net);
839 	struct ax88179_data *data = (struct ax88179_data *)dev->data;
840 	u8 *m_filter = ((u8 *)dev->data) + 12;
841 
842 	data->rxctl = (AX_RX_CTL_START | AX_RX_CTL_AB | AX_RX_CTL_IPE);
843 
844 	if (net->flags & IFF_PROMISC) {
845 		data->rxctl |= AX_RX_CTL_PRO;
846 	} else if (net->flags & IFF_ALLMULTI ||
847 		   netdev_mc_count(net) > AX_MAX_MCAST) {
848 		data->rxctl |= AX_RX_CTL_AMALL;
849 	} else if (netdev_mc_empty(net)) {
850 		/* just broadcast and directed */
851 	} else {
852 		/* We use the 20 byte dev->data for our 8 byte filter buffer
853 		 * to avoid allocating memory that is tricky to free later
854 		 */
855 		u32 crc_bits;
856 		struct netdev_hw_addr *ha;
857 
858 		memset(m_filter, 0, AX_MCAST_FLTSIZE);
859 
860 		netdev_for_each_mc_addr(ha, net) {
861 			crc_bits = ether_crc(ETH_ALEN, ha->addr) >> 26;
862 			*(m_filter + (crc_bits >> 3)) |= (1 << (crc_bits & 7));
863 		}
864 
865 		ax88179_write_cmd_async(dev, AX_ACCESS_MAC, AX_MULFLTARY,
866 					AX_MCAST_FLTSIZE, AX_MCAST_FLTSIZE,
867 					m_filter);
868 
869 		data->rxctl |= AX_RX_CTL_AM;
870 	}
871 
872 	ax88179_write_cmd_async(dev, AX_ACCESS_MAC, AX_RX_CTL,
873 				2, 2, &data->rxctl);
874 }
875 
876 static int
877 ax88179_set_features(struct net_device *net, netdev_features_t features)
878 {
879 	u8 tmp;
880 	struct usbnet *dev = netdev_priv(net);
881 	netdev_features_t changed = net->features ^ features;
882 
883 	if (changed & NETIF_F_IP_CSUM) {
884 		ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_TXCOE_CTL, 1, 1, &tmp);
885 		tmp ^= AX_TXCOE_TCP | AX_TXCOE_UDP;
886 		ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_TXCOE_CTL, 1, 1, &tmp);
887 	}
888 
889 	if (changed & NETIF_F_IPV6_CSUM) {
890 		ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_TXCOE_CTL, 1, 1, &tmp);
891 		tmp ^= AX_TXCOE_TCPV6 | AX_TXCOE_UDPV6;
892 		ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_TXCOE_CTL, 1, 1, &tmp);
893 	}
894 
895 	if (changed & NETIF_F_RXCSUM) {
896 		ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_RXCOE_CTL, 1, 1, &tmp);
897 		tmp ^= AX_RXCOE_IP | AX_RXCOE_TCP | AX_RXCOE_UDP |
898 		       AX_RXCOE_TCPV6 | AX_RXCOE_UDPV6;
899 		ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RXCOE_CTL, 1, 1, &tmp);
900 	}
901 
902 	return 0;
903 }
904 
905 static int ax88179_change_mtu(struct net_device *net, int new_mtu)
906 {
907 	struct usbnet *dev = netdev_priv(net);
908 	u16 tmp16;
909 
910 	if (new_mtu <= 0 || new_mtu > 4088)
911 		return -EINVAL;
912 
913 	net->mtu = new_mtu;
914 	dev->hard_mtu = net->mtu + net->hard_header_len;
915 
916 	if (net->mtu > 1500) {
917 		ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
918 				 2, 2, &tmp16);
919 		tmp16 |= AX_MEDIUM_JUMBO_EN;
920 		ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
921 				  2, 2, &tmp16);
922 	} else {
923 		ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
924 				 2, 2, &tmp16);
925 		tmp16 &= ~AX_MEDIUM_JUMBO_EN;
926 		ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
927 				  2, 2, &tmp16);
928 	}
929 
930 	/* max qlen depend on hard_mtu and rx_urb_size */
931 	usbnet_update_max_qlen(dev);
932 
933 	return 0;
934 }
935 
936 static int ax88179_set_mac_addr(struct net_device *net, void *p)
937 {
938 	struct usbnet *dev = netdev_priv(net);
939 	struct sockaddr *addr = p;
940 
941 	if (netif_running(net))
942 		return -EBUSY;
943 	if (!is_valid_ether_addr(addr->sa_data))
944 		return -EADDRNOTAVAIL;
945 
946 	memcpy(net->dev_addr, addr->sa_data, ETH_ALEN);
947 
948 	/* Set the MAC address */
949 	return ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_NODE_ID, ETH_ALEN,
950 				 ETH_ALEN, net->dev_addr);
951 }
952 
953 static const struct net_device_ops ax88179_netdev_ops = {
954 	.ndo_open		= usbnet_open,
955 	.ndo_stop		= usbnet_stop,
956 	.ndo_start_xmit		= usbnet_start_xmit,
957 	.ndo_tx_timeout		= usbnet_tx_timeout,
958 	.ndo_change_mtu		= ax88179_change_mtu,
959 	.ndo_set_mac_address	= ax88179_set_mac_addr,
960 	.ndo_validate_addr	= eth_validate_addr,
961 	.ndo_do_ioctl		= ax88179_ioctl,
962 	.ndo_set_rx_mode	= ax88179_set_multicast,
963 	.ndo_set_features	= ax88179_set_features,
964 };
965 
966 static int ax88179_check_eeprom(struct usbnet *dev)
967 {
968 	u8 i, buf, eeprom[20];
969 	u16 csum, delay = HZ / 10;
970 	unsigned long jtimeout;
971 
972 	/* Read EEPROM content */
973 	for (i = 0; i < 6; i++) {
974 		buf = i;
975 		if (ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_SROM_ADDR,
976 				      1, 1, &buf) < 0)
977 			return -EINVAL;
978 
979 		buf = EEP_RD;
980 		if (ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_SROM_CMD,
981 				      1, 1, &buf) < 0)
982 			return -EINVAL;
983 
984 		jtimeout = jiffies + delay;
985 		do {
986 			ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_SROM_CMD,
987 					 1, 1, &buf);
988 
989 			if (time_after(jiffies, jtimeout))
990 				return -EINVAL;
991 
992 		} while (buf & EEP_BUSY);
993 
994 		__ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_SROM_DATA_LOW,
995 				   2, 2, &eeprom[i * 2], 0);
996 
997 		if ((i == 0) && (eeprom[0] == 0xFF))
998 			return -EINVAL;
999 	}
1000 
1001 	csum = eeprom[6] + eeprom[7] + eeprom[8] + eeprom[9];
1002 	csum = (csum >> 8) + (csum & 0xff);
1003 	if ((csum + eeprom[10]) != 0xff)
1004 		return -EINVAL;
1005 
1006 	return 0;
1007 }
1008 
1009 static int ax88179_check_efuse(struct usbnet *dev, u16 *ledmode)
1010 {
1011 	u8	i;
1012 	u8	efuse[64];
1013 	u16	csum = 0;
1014 
1015 	if (ax88179_read_cmd(dev, AX_ACCESS_EFUS, 0, 64, 64, efuse) < 0)
1016 		return -EINVAL;
1017 
1018 	if (*efuse == 0xFF)
1019 		return -EINVAL;
1020 
1021 	for (i = 0; i < 64; i++)
1022 		csum = csum + efuse[i];
1023 
1024 	while (csum > 255)
1025 		csum = (csum & 0x00FF) + ((csum >> 8) & 0x00FF);
1026 
1027 	if (csum != 0xFF)
1028 		return -EINVAL;
1029 
1030 	*ledmode = (efuse[51] << 8) | efuse[52];
1031 
1032 	return 0;
1033 }
1034 
1035 static int ax88179_convert_old_led(struct usbnet *dev, u16 *ledvalue)
1036 {
1037 	u16 led;
1038 
1039 	/* Loaded the old eFuse LED Mode */
1040 	if (ax88179_read_cmd(dev, AX_ACCESS_EEPROM, 0x3C, 1, 2, &led) < 0)
1041 		return -EINVAL;
1042 
1043 	led >>= 8;
1044 	switch (led) {
1045 	case 0xFF:
1046 		led = LED0_ACTIVE | LED1_LINK_10 | LED1_LINK_100 |
1047 		      LED1_LINK_1000 | LED2_ACTIVE | LED2_LINK_10 |
1048 		      LED2_LINK_100 | LED2_LINK_1000 | LED_VALID;
1049 		break;
1050 	case 0xFE:
1051 		led = LED0_ACTIVE | LED1_LINK_1000 | LED2_LINK_100 | LED_VALID;
1052 		break;
1053 	case 0xFD:
1054 		led = LED0_ACTIVE | LED1_LINK_1000 | LED2_LINK_100 |
1055 		      LED2_LINK_10 | LED_VALID;
1056 		break;
1057 	case 0xFC:
1058 		led = LED0_ACTIVE | LED1_ACTIVE | LED1_LINK_1000 | LED2_ACTIVE |
1059 		      LED2_LINK_100 | LED2_LINK_10 | LED_VALID;
1060 		break;
1061 	default:
1062 		led = LED0_ACTIVE | LED1_LINK_10 | LED1_LINK_100 |
1063 		      LED1_LINK_1000 | LED2_ACTIVE | LED2_LINK_10 |
1064 		      LED2_LINK_100 | LED2_LINK_1000 | LED_VALID;
1065 		break;
1066 	}
1067 
1068 	*ledvalue = led;
1069 
1070 	return 0;
1071 }
1072 
1073 static int ax88179_led_setting(struct usbnet *dev)
1074 {
1075 	u8 ledfd, value = 0;
1076 	u16 tmp, ledact, ledlink, ledvalue = 0, delay = HZ / 10;
1077 	unsigned long jtimeout;
1078 
1079 	/* Check AX88179 version. UA1 or UA2*/
1080 	ax88179_read_cmd(dev, AX_ACCESS_MAC, GENERAL_STATUS, 1, 1, &value);
1081 
1082 	if (!(value & AX_SECLD)) {	/* UA1 */
1083 		value = AX_GPIO_CTRL_GPIO3EN | AX_GPIO_CTRL_GPIO2EN |
1084 			AX_GPIO_CTRL_GPIO1EN;
1085 		if (ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_GPIO_CTRL,
1086 				      1, 1, &value) < 0)
1087 			return -EINVAL;
1088 	}
1089 
1090 	/* Check EEPROM */
1091 	if (!ax88179_check_eeprom(dev)) {
1092 		value = 0x42;
1093 		if (ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_SROM_ADDR,
1094 				      1, 1, &value) < 0)
1095 			return -EINVAL;
1096 
1097 		value = EEP_RD;
1098 		if (ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_SROM_CMD,
1099 				      1, 1, &value) < 0)
1100 			return -EINVAL;
1101 
1102 		jtimeout = jiffies + delay;
1103 		do {
1104 			ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_SROM_CMD,
1105 					 1, 1, &value);
1106 
1107 			if (time_after(jiffies, jtimeout))
1108 				return -EINVAL;
1109 
1110 		} while (value & EEP_BUSY);
1111 
1112 		ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_SROM_DATA_HIGH,
1113 				 1, 1, &value);
1114 		ledvalue = (value << 8);
1115 
1116 		ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_SROM_DATA_LOW,
1117 				 1, 1, &value);
1118 		ledvalue |= value;
1119 
1120 		/* load internal ROM for defaule setting */
1121 		if ((ledvalue == 0xFFFF) || ((ledvalue & LED_VALID) == 0))
1122 			ax88179_convert_old_led(dev, &ledvalue);
1123 
1124 	} else if (!ax88179_check_efuse(dev, &ledvalue)) {
1125 		if ((ledvalue == 0xFFFF) || ((ledvalue & LED_VALID) == 0))
1126 			ax88179_convert_old_led(dev, &ledvalue);
1127 	} else {
1128 		ax88179_convert_old_led(dev, &ledvalue);
1129 	}
1130 
1131 	tmp = GMII_PHY_PGSEL_EXT;
1132 	ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1133 			  GMII_PHY_PAGE_SELECT, 2, &tmp);
1134 
1135 	tmp = 0x2c;
1136 	ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1137 			  GMII_PHYPAGE, 2, &tmp);
1138 
1139 	ax88179_read_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1140 			 GMII_LED_ACT, 2, &ledact);
1141 
1142 	ax88179_read_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1143 			 GMII_LED_LINK, 2, &ledlink);
1144 
1145 	ledact &= GMII_LED_ACTIVE_MASK;
1146 	ledlink &= GMII_LED_LINK_MASK;
1147 
1148 	if (ledvalue & LED0_ACTIVE)
1149 		ledact |= GMII_LED0_ACTIVE;
1150 
1151 	if (ledvalue & LED1_ACTIVE)
1152 		ledact |= GMII_LED1_ACTIVE;
1153 
1154 	if (ledvalue & LED2_ACTIVE)
1155 		ledact |= GMII_LED2_ACTIVE;
1156 
1157 	if (ledvalue & LED0_LINK_10)
1158 		ledlink |= GMII_LED0_LINK_10;
1159 
1160 	if (ledvalue & LED1_LINK_10)
1161 		ledlink |= GMII_LED1_LINK_10;
1162 
1163 	if (ledvalue & LED2_LINK_10)
1164 		ledlink |= GMII_LED2_LINK_10;
1165 
1166 	if (ledvalue & LED0_LINK_100)
1167 		ledlink |= GMII_LED0_LINK_100;
1168 
1169 	if (ledvalue & LED1_LINK_100)
1170 		ledlink |= GMII_LED1_LINK_100;
1171 
1172 	if (ledvalue & LED2_LINK_100)
1173 		ledlink |= GMII_LED2_LINK_100;
1174 
1175 	if (ledvalue & LED0_LINK_1000)
1176 		ledlink |= GMII_LED0_LINK_1000;
1177 
1178 	if (ledvalue & LED1_LINK_1000)
1179 		ledlink |= GMII_LED1_LINK_1000;
1180 
1181 	if (ledvalue & LED2_LINK_1000)
1182 		ledlink |= GMII_LED2_LINK_1000;
1183 
1184 	tmp = ledact;
1185 	ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1186 			  GMII_LED_ACT, 2, &tmp);
1187 
1188 	tmp = ledlink;
1189 	ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1190 			  GMII_LED_LINK, 2, &tmp);
1191 
1192 	tmp = GMII_PHY_PGSEL_PAGE0;
1193 	ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1194 			  GMII_PHY_PAGE_SELECT, 2, &tmp);
1195 
1196 	/* LED full duplex setting */
1197 	ledfd = 0;
1198 	if (ledvalue & LED0_FD)
1199 		ledfd |= 0x01;
1200 	else if ((ledvalue & LED0_USB3_MASK) == 0)
1201 		ledfd |= 0x02;
1202 
1203 	if (ledvalue & LED1_FD)
1204 		ledfd |= 0x04;
1205 	else if ((ledvalue & LED1_USB3_MASK) == 0)
1206 		ledfd |= 0x08;
1207 
1208 	if (ledvalue & LED2_FD)
1209 		ledfd |= 0x10;
1210 	else if ((ledvalue & LED2_USB3_MASK) == 0)
1211 		ledfd |= 0x20;
1212 
1213 	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_LEDCTRL, 1, 1, &ledfd);
1214 
1215 	return 0;
1216 }
1217 
1218 static int ax88179_bind(struct usbnet *dev, struct usb_interface *intf)
1219 {
1220 	u8 buf[5];
1221 	u16 *tmp16;
1222 	u8 *tmp;
1223 	struct ax88179_data *ax179_data = (struct ax88179_data *)dev->data;
1224 	struct ethtool_eee eee_data;
1225 
1226 	usbnet_get_endpoints(dev, intf);
1227 
1228 	tmp16 = (u16 *)buf;
1229 	tmp = (u8 *)buf;
1230 
1231 	memset(ax179_data, 0, sizeof(*ax179_data));
1232 
1233 	/* Power up ethernet PHY */
1234 	*tmp16 = 0;
1235 	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, tmp16);
1236 	*tmp16 = AX_PHYPWR_RSTCTL_IPRL;
1237 	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, tmp16);
1238 	msleep(200);
1239 
1240 	*tmp = AX_CLK_SELECT_ACS | AX_CLK_SELECT_BCS;
1241 	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, tmp);
1242 	msleep(100);
1243 
1244 	ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_NODE_ID, ETH_ALEN,
1245 			 ETH_ALEN, dev->net->dev_addr);
1246 	memcpy(dev->net->perm_addr, dev->net->dev_addr, ETH_ALEN);
1247 
1248 	/* RX bulk configuration */
1249 	memcpy(tmp, &AX88179_BULKIN_SIZE[0], 5);
1250 	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_BULKIN_QCTRL, 5, 5, tmp);
1251 
1252 	dev->rx_urb_size = 1024 * 20;
1253 
1254 	*tmp = 0x34;
1255 	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PAUSE_WATERLVL_LOW, 1, 1, tmp);
1256 
1257 	*tmp = 0x52;
1258 	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PAUSE_WATERLVL_HIGH,
1259 			  1, 1, tmp);
1260 
1261 	dev->net->netdev_ops = &ax88179_netdev_ops;
1262 	dev->net->ethtool_ops = &ax88179_ethtool_ops;
1263 	dev->net->needed_headroom = 8;
1264 
1265 	/* Initialize MII structure */
1266 	dev->mii.dev = dev->net;
1267 	dev->mii.mdio_read = ax88179_mdio_read;
1268 	dev->mii.mdio_write = ax88179_mdio_write;
1269 	dev->mii.phy_id_mask = 0xff;
1270 	dev->mii.reg_num_mask = 0xff;
1271 	dev->mii.phy_id = 0x03;
1272 	dev->mii.supports_gmii = 1;
1273 
1274 	dev->net->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
1275 			      NETIF_F_RXCSUM;
1276 
1277 	dev->net->hw_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
1278 				 NETIF_F_RXCSUM;
1279 
1280 	/* Enable checksum offload */
1281 	*tmp = AX_RXCOE_IP | AX_RXCOE_TCP | AX_RXCOE_UDP |
1282 	       AX_RXCOE_TCPV6 | AX_RXCOE_UDPV6;
1283 	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RXCOE_CTL, 1, 1, tmp);
1284 
1285 	*tmp = AX_TXCOE_IP | AX_TXCOE_TCP | AX_TXCOE_UDP |
1286 	       AX_TXCOE_TCPV6 | AX_TXCOE_UDPV6;
1287 	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_TXCOE_CTL, 1, 1, tmp);
1288 
1289 	/* Configure RX control register => start operation */
1290 	*tmp16 = AX_RX_CTL_DROPCRCERR | AX_RX_CTL_IPE | AX_RX_CTL_START |
1291 		 AX_RX_CTL_AP | AX_RX_CTL_AMALL | AX_RX_CTL_AB;
1292 	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2, tmp16);
1293 
1294 	*tmp = AX_MONITOR_MODE_PMETYPE | AX_MONITOR_MODE_PMEPOL |
1295 	       AX_MONITOR_MODE_RWMP;
1296 	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MONITOR_MOD, 1, 1, tmp);
1297 
1298 	/* Configure default medium type => giga */
1299 	*tmp16 = AX_MEDIUM_RECEIVE_EN | AX_MEDIUM_TXFLOW_CTRLEN |
1300 		 AX_MEDIUM_RXFLOW_CTRLEN | AX_MEDIUM_FULL_DUPLEX |
1301 		 AX_MEDIUM_GIGAMODE;
1302 	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
1303 			  2, 2, tmp16);
1304 
1305 	ax88179_led_setting(dev);
1306 
1307 	ax179_data->eee_enabled = 0;
1308 	ax179_data->eee_active = 0;
1309 
1310 	ax88179_disable_eee(dev);
1311 
1312 	ax88179_ethtool_get_eee(dev, &eee_data);
1313 	eee_data.advertised = 0;
1314 	ax88179_ethtool_set_eee(dev, &eee_data);
1315 
1316 	/* Restart autoneg */
1317 	mii_nway_restart(&dev->mii);
1318 
1319 	usbnet_link_change(dev, 0, 0);
1320 
1321 	return 0;
1322 }
1323 
1324 static void ax88179_unbind(struct usbnet *dev, struct usb_interface *intf)
1325 {
1326 	u16 tmp16;
1327 
1328 	/* Configure RX control register => stop operation */
1329 	tmp16 = AX_RX_CTL_STOP;
1330 	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2, &tmp16);
1331 
1332 	tmp16 = 0;
1333 	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, &tmp16);
1334 
1335 	/* Power down ethernet PHY */
1336 	tmp16 = 0;
1337 	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, &tmp16);
1338 }
1339 
1340 static void
1341 ax88179_rx_checksum(struct sk_buff *skb, u32 *pkt_hdr)
1342 {
1343 	skb->ip_summed = CHECKSUM_NONE;
1344 
1345 	/* checksum error bit is set */
1346 	if ((*pkt_hdr & AX_RXHDR_L3CSUM_ERR) ||
1347 	    (*pkt_hdr & AX_RXHDR_L4CSUM_ERR))
1348 		return;
1349 
1350 	/* It must be a TCP or UDP packet with a valid checksum */
1351 	if (((*pkt_hdr & AX_RXHDR_L4_TYPE_MASK) == AX_RXHDR_L4_TYPE_TCP) ||
1352 	    ((*pkt_hdr & AX_RXHDR_L4_TYPE_MASK) == AX_RXHDR_L4_TYPE_UDP))
1353 		skb->ip_summed = CHECKSUM_UNNECESSARY;
1354 }
1355 
1356 static int ax88179_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
1357 {
1358 	struct sk_buff *ax_skb;
1359 	int pkt_cnt;
1360 	u32 rx_hdr;
1361 	u16 hdr_off;
1362 	u32 *pkt_hdr;
1363 
1364 	/* This check is no longer done by usbnet */
1365 	if (skb->len < dev->net->hard_header_len)
1366 		return 0;
1367 
1368 	skb_trim(skb, skb->len - 4);
1369 	memcpy(&rx_hdr, skb_tail_pointer(skb), 4);
1370 	le32_to_cpus(&rx_hdr);
1371 
1372 	pkt_cnt = (u16)rx_hdr;
1373 	hdr_off = (u16)(rx_hdr >> 16);
1374 	pkt_hdr = (u32 *)(skb->data + hdr_off);
1375 
1376 	while (pkt_cnt--) {
1377 		u16 pkt_len;
1378 
1379 		le32_to_cpus(pkt_hdr);
1380 		pkt_len = (*pkt_hdr >> 16) & 0x1fff;
1381 
1382 		/* Check CRC or runt packet */
1383 		if ((*pkt_hdr & AX_RXHDR_CRC_ERR) ||
1384 		    (*pkt_hdr & AX_RXHDR_DROP_ERR)) {
1385 			skb_pull(skb, (pkt_len + 7) & 0xFFF8);
1386 			pkt_hdr++;
1387 			continue;
1388 		}
1389 
1390 		if (pkt_cnt == 0) {
1391 			/* Skip IP alignment psudo header */
1392 			skb_pull(skb, 2);
1393 			skb->len = pkt_len;
1394 			skb_set_tail_pointer(skb, pkt_len);
1395 			skb->truesize = pkt_len + sizeof(struct sk_buff);
1396 			ax88179_rx_checksum(skb, pkt_hdr);
1397 			return 1;
1398 		}
1399 
1400 		ax_skb = skb_clone(skb, GFP_ATOMIC);
1401 		if (ax_skb) {
1402 			ax_skb->len = pkt_len;
1403 			ax_skb->data = skb->data + 2;
1404 			skb_set_tail_pointer(ax_skb, pkt_len);
1405 			ax_skb->truesize = pkt_len + sizeof(struct sk_buff);
1406 			ax88179_rx_checksum(ax_skb, pkt_hdr);
1407 			usbnet_skb_return(dev, ax_skb);
1408 		} else {
1409 			return 0;
1410 		}
1411 
1412 		skb_pull(skb, (pkt_len + 7) & 0xFFF8);
1413 		pkt_hdr++;
1414 	}
1415 	return 1;
1416 }
1417 
1418 static struct sk_buff *
1419 ax88179_tx_fixup(struct usbnet *dev, struct sk_buff *skb, gfp_t flags)
1420 {
1421 	u32 tx_hdr1, tx_hdr2;
1422 	int frame_size = dev->maxpacket;
1423 	int mss = skb_shinfo(skb)->gso_size;
1424 	int headroom;
1425 
1426 	tx_hdr1 = skb->len;
1427 	tx_hdr2 = mss;
1428 	if (((skb->len + 8) % frame_size) == 0)
1429 		tx_hdr2 |= 0x80008000;	/* Enable padding */
1430 
1431 	headroom = skb_headroom(skb) - 8;
1432 
1433 	if ((skb_header_cloned(skb) || headroom < 0) &&
1434 	    pskb_expand_head(skb, headroom < 0 ? 8 : 0, 0, GFP_ATOMIC)) {
1435 		dev_kfree_skb_any(skb);
1436 		return NULL;
1437 	}
1438 
1439 	skb_push(skb, 4);
1440 	cpu_to_le32s(&tx_hdr2);
1441 	skb_copy_to_linear_data(skb, &tx_hdr2, 4);
1442 
1443 	skb_push(skb, 4);
1444 	cpu_to_le32s(&tx_hdr1);
1445 	skb_copy_to_linear_data(skb, &tx_hdr1, 4);
1446 
1447 	return skb;
1448 }
1449 
1450 static int ax88179_link_reset(struct usbnet *dev)
1451 {
1452 	struct ax88179_data *ax179_data = (struct ax88179_data *)dev->data;
1453 	u8 tmp[5], link_sts;
1454 	u16 mode, tmp16, delay = HZ / 10;
1455 	u32 tmp32 = 0x40000000;
1456 	unsigned long jtimeout;
1457 
1458 	jtimeout = jiffies + delay;
1459 	while (tmp32 & 0x40000000) {
1460 		mode = 0;
1461 		ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2, &mode);
1462 		ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2,
1463 				  &ax179_data->rxctl);
1464 
1465 		/*link up, check the usb device control TX FIFO full or empty*/
1466 		ax88179_read_cmd(dev, 0x81, 0x8c, 0, 4, &tmp32);
1467 
1468 		if (time_after(jiffies, jtimeout))
1469 			return 0;
1470 	}
1471 
1472 	mode = AX_MEDIUM_RECEIVE_EN | AX_MEDIUM_TXFLOW_CTRLEN |
1473 	       AX_MEDIUM_RXFLOW_CTRLEN;
1474 
1475 	ax88179_read_cmd(dev, AX_ACCESS_MAC, PHYSICAL_LINK_STATUS,
1476 			 1, 1, &link_sts);
1477 
1478 	ax88179_read_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1479 			 GMII_PHY_PHYSR, 2, &tmp16);
1480 
1481 	if (!(tmp16 & GMII_PHY_PHYSR_LINK)) {
1482 		return 0;
1483 	} else if (GMII_PHY_PHYSR_GIGA == (tmp16 & GMII_PHY_PHYSR_SMASK)) {
1484 		mode |= AX_MEDIUM_GIGAMODE | AX_MEDIUM_EN_125MHZ;
1485 		if (dev->net->mtu > 1500)
1486 			mode |= AX_MEDIUM_JUMBO_EN;
1487 
1488 		if (link_sts & AX_USB_SS)
1489 			memcpy(tmp, &AX88179_BULKIN_SIZE[0], 5);
1490 		else if (link_sts & AX_USB_HS)
1491 			memcpy(tmp, &AX88179_BULKIN_SIZE[1], 5);
1492 		else
1493 			memcpy(tmp, &AX88179_BULKIN_SIZE[3], 5);
1494 	} else if (GMII_PHY_PHYSR_100 == (tmp16 & GMII_PHY_PHYSR_SMASK)) {
1495 		mode |= AX_MEDIUM_PS;
1496 
1497 		if (link_sts & (AX_USB_SS | AX_USB_HS))
1498 			memcpy(tmp, &AX88179_BULKIN_SIZE[2], 5);
1499 		else
1500 			memcpy(tmp, &AX88179_BULKIN_SIZE[3], 5);
1501 	} else {
1502 		memcpy(tmp, &AX88179_BULKIN_SIZE[3], 5);
1503 	}
1504 
1505 	/* RX bulk configuration */
1506 	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_BULKIN_QCTRL, 5, 5, tmp);
1507 
1508 	dev->rx_urb_size = (1024 * (tmp[3] + 2));
1509 
1510 	if (tmp16 & GMII_PHY_PHYSR_FULL)
1511 		mode |= AX_MEDIUM_FULL_DUPLEX;
1512 	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
1513 			  2, 2, &mode);
1514 
1515 	ax179_data->eee_enabled = ax88179_chk_eee(dev);
1516 
1517 	netif_carrier_on(dev->net);
1518 
1519 	return 0;
1520 }
1521 
1522 static int ax88179_reset(struct usbnet *dev)
1523 {
1524 	u8 buf[5];
1525 	u16 *tmp16;
1526 	u8 *tmp;
1527 	struct ax88179_data *ax179_data = (struct ax88179_data *)dev->data;
1528 	struct ethtool_eee eee_data;
1529 
1530 	tmp16 = (u16 *)buf;
1531 	tmp = (u8 *)buf;
1532 
1533 	/* Power up ethernet PHY */
1534 	*tmp16 = 0;
1535 	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, tmp16);
1536 
1537 	*tmp16 = AX_PHYPWR_RSTCTL_IPRL;
1538 	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, tmp16);
1539 	msleep(200);
1540 
1541 	*tmp = AX_CLK_SELECT_ACS | AX_CLK_SELECT_BCS;
1542 	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, tmp);
1543 	msleep(100);
1544 
1545 	/* Ethernet PHY Auto Detach*/
1546 	ax88179_auto_detach(dev, 0);
1547 
1548 	ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_NODE_ID, ETH_ALEN, ETH_ALEN,
1549 			 dev->net->dev_addr);
1550 	memcpy(dev->net->perm_addr, dev->net->dev_addr, ETH_ALEN);
1551 
1552 	/* RX bulk configuration */
1553 	memcpy(tmp, &AX88179_BULKIN_SIZE[0], 5);
1554 	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_BULKIN_QCTRL, 5, 5, tmp);
1555 
1556 	dev->rx_urb_size = 1024 * 20;
1557 
1558 	*tmp = 0x34;
1559 	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PAUSE_WATERLVL_LOW, 1, 1, tmp);
1560 
1561 	*tmp = 0x52;
1562 	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PAUSE_WATERLVL_HIGH,
1563 			  1, 1, tmp);
1564 
1565 	dev->net->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
1566 			      NETIF_F_RXCSUM;
1567 
1568 	dev->net->hw_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
1569 				 NETIF_F_RXCSUM;
1570 
1571 	/* Enable checksum offload */
1572 	*tmp = AX_RXCOE_IP | AX_RXCOE_TCP | AX_RXCOE_UDP |
1573 	       AX_RXCOE_TCPV6 | AX_RXCOE_UDPV6;
1574 	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RXCOE_CTL, 1, 1, tmp);
1575 
1576 	*tmp = AX_TXCOE_IP | AX_TXCOE_TCP | AX_TXCOE_UDP |
1577 	       AX_TXCOE_TCPV6 | AX_TXCOE_UDPV6;
1578 	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_TXCOE_CTL, 1, 1, tmp);
1579 
1580 	/* Configure RX control register => start operation */
1581 	*tmp16 = AX_RX_CTL_DROPCRCERR | AX_RX_CTL_IPE | AX_RX_CTL_START |
1582 		 AX_RX_CTL_AP | AX_RX_CTL_AMALL | AX_RX_CTL_AB;
1583 	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2, tmp16);
1584 
1585 	*tmp = AX_MONITOR_MODE_PMETYPE | AX_MONITOR_MODE_PMEPOL |
1586 	       AX_MONITOR_MODE_RWMP;
1587 	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MONITOR_MOD, 1, 1, tmp);
1588 
1589 	/* Configure default medium type => giga */
1590 	*tmp16 = AX_MEDIUM_RECEIVE_EN | AX_MEDIUM_TXFLOW_CTRLEN |
1591 		 AX_MEDIUM_RXFLOW_CTRLEN | AX_MEDIUM_FULL_DUPLEX |
1592 		 AX_MEDIUM_GIGAMODE;
1593 	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
1594 			  2, 2, tmp16);
1595 
1596 	ax88179_led_setting(dev);
1597 
1598 	ax179_data->eee_enabled = 0;
1599 	ax179_data->eee_active = 0;
1600 
1601 	ax88179_disable_eee(dev);
1602 
1603 	ax88179_ethtool_get_eee(dev, &eee_data);
1604 	eee_data.advertised = 0;
1605 	ax88179_ethtool_set_eee(dev, &eee_data);
1606 
1607 	/* Restart autoneg */
1608 	mii_nway_restart(&dev->mii);
1609 
1610 	usbnet_link_change(dev, 0, 0);
1611 
1612 	return 0;
1613 }
1614 
1615 static int ax88179_stop(struct usbnet *dev)
1616 {
1617 	u16 tmp16;
1618 
1619 	ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
1620 			 2, 2, &tmp16);
1621 	tmp16 &= ~AX_MEDIUM_RECEIVE_EN;
1622 	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
1623 			  2, 2, &tmp16);
1624 
1625 	return 0;
1626 }
1627 
1628 static const struct driver_info ax88179_info = {
1629 	.description = "ASIX AX88179 USB 3.0 Gigabit Ethernet",
1630 	.bind = ax88179_bind,
1631 	.unbind = ax88179_unbind,
1632 	.status = ax88179_status,
1633 	.link_reset = ax88179_link_reset,
1634 	.reset = ax88179_reset,
1635 	.stop = ax88179_stop,
1636 	.flags = FLAG_ETHER | FLAG_FRAMING_AX,
1637 	.rx_fixup = ax88179_rx_fixup,
1638 	.tx_fixup = ax88179_tx_fixup,
1639 };
1640 
1641 static const struct driver_info ax88178a_info = {
1642 	.description = "ASIX AX88178A USB 2.0 Gigabit Ethernet",
1643 	.bind = ax88179_bind,
1644 	.unbind = ax88179_unbind,
1645 	.status = ax88179_status,
1646 	.link_reset = ax88179_link_reset,
1647 	.reset = ax88179_reset,
1648 	.stop = ax88179_stop,
1649 	.flags = FLAG_ETHER | FLAG_FRAMING_AX,
1650 	.rx_fixup = ax88179_rx_fixup,
1651 	.tx_fixup = ax88179_tx_fixup,
1652 };
1653 
1654 static const struct driver_info dlink_dub1312_info = {
1655 	.description = "D-Link DUB-1312 USB 3.0 to Gigabit Ethernet Adapter",
1656 	.bind = ax88179_bind,
1657 	.unbind = ax88179_unbind,
1658 	.status = ax88179_status,
1659 	.link_reset = ax88179_link_reset,
1660 	.reset = ax88179_reset,
1661 	.stop = ax88179_stop,
1662 	.flags = FLAG_ETHER | FLAG_FRAMING_AX,
1663 	.rx_fixup = ax88179_rx_fixup,
1664 	.tx_fixup = ax88179_tx_fixup,
1665 };
1666 
1667 static const struct driver_info sitecom_info = {
1668 	.description = "Sitecom USB 3.0 to Gigabit Adapter",
1669 	.bind = ax88179_bind,
1670 	.unbind = ax88179_unbind,
1671 	.status = ax88179_status,
1672 	.link_reset = ax88179_link_reset,
1673 	.reset = ax88179_reset,
1674 	.stop = ax88179_stop,
1675 	.flags = FLAG_ETHER | FLAG_FRAMING_AX,
1676 	.rx_fixup = ax88179_rx_fixup,
1677 	.tx_fixup = ax88179_tx_fixup,
1678 };
1679 
1680 static const struct driver_info samsung_info = {
1681 	.description = "Samsung USB Ethernet Adapter",
1682 	.bind = ax88179_bind,
1683 	.unbind = ax88179_unbind,
1684 	.status = ax88179_status,
1685 	.link_reset = ax88179_link_reset,
1686 	.reset = ax88179_reset,
1687 	.stop = ax88179_stop,
1688 	.flags = FLAG_ETHER | FLAG_FRAMING_AX,
1689 	.rx_fixup = ax88179_rx_fixup,
1690 	.tx_fixup = ax88179_tx_fixup,
1691 };
1692 
1693 static const struct driver_info lenovo_info = {
1694 	.description = "Lenovo OneLinkDock Gigabit LAN",
1695 	.bind = ax88179_bind,
1696 	.unbind = ax88179_unbind,
1697 	.status = ax88179_status,
1698 	.link_reset = ax88179_link_reset,
1699 	.reset = ax88179_reset,
1700 	.stop = ax88179_stop,
1701 	.flags = FLAG_ETHER | FLAG_FRAMING_AX,
1702 	.rx_fixup = ax88179_rx_fixup,
1703 	.tx_fixup = ax88179_tx_fixup,
1704 };
1705 
1706 static const struct usb_device_id products[] = {
1707 {
1708 	/* ASIX AX88179 10/100/1000 */
1709 	USB_DEVICE(0x0b95, 0x1790),
1710 	.driver_info = (unsigned long)&ax88179_info,
1711 }, {
1712 	/* ASIX AX88178A 10/100/1000 */
1713 	USB_DEVICE(0x0b95, 0x178a),
1714 	.driver_info = (unsigned long)&ax88178a_info,
1715 }, {
1716 	/* D-Link DUB-1312 USB 3.0 to Gigabit Ethernet Adapter */
1717 	USB_DEVICE(0x2001, 0x4a00),
1718 	.driver_info = (unsigned long)&dlink_dub1312_info,
1719 }, {
1720 	/* Sitecom USB 3.0 to Gigabit Adapter */
1721 	USB_DEVICE(0x0df6, 0x0072),
1722 	.driver_info = (unsigned long)&sitecom_info,
1723 }, {
1724 	/* Samsung USB Ethernet Adapter */
1725 	USB_DEVICE(0x04e8, 0xa100),
1726 	.driver_info = (unsigned long)&samsung_info,
1727 }, {
1728 	/* Lenovo OneLinkDock Gigabit LAN */
1729 	USB_DEVICE(0x17ef, 0x304b),
1730 	.driver_info = (unsigned long)&lenovo_info,
1731 },
1732 	{ },
1733 };
1734 MODULE_DEVICE_TABLE(usb, products);
1735 
1736 static struct usb_driver ax88179_178a_driver = {
1737 	.name =		"ax88179_178a",
1738 	.id_table =	products,
1739 	.probe =	usbnet_probe,
1740 	.suspend =	ax88179_suspend,
1741 	.resume =	ax88179_resume,
1742 	.reset_resume =	ax88179_resume,
1743 	.disconnect =	usbnet_disconnect,
1744 	.supports_autosuspend = 1,
1745 	.disable_hub_initiated_lpm = 1,
1746 };
1747 
1748 module_usb_driver(ax88179_178a_driver);
1749 
1750 MODULE_DESCRIPTION("ASIX AX88179/178A based USB 3.0/2.0 Gigabit Ethernet Devices");
1751 MODULE_LICENSE("GPL");
1752