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
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
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
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: dev->net, format: "Failed to read reg index 0x%04x: %d\n",
226	index, ret);
227
228	return ret;
229	}
230
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: dev->net, format: "Failed to write reg index 0x%04x: %d\n",
250	index, ret);
251
252	return ret;
253	}
254
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, data: &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
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, data: &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, data: &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
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, data: &buf);
306	} else {
307	ret = __ax88179_write_cmd(dev, cmd, value, index,
308	size, data);
309	}
310
311	return ret;
312	}
313
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: dev->net) != link) {
328	usbnet_link_change(dev, link, 1);
329	netdev_info(dev: dev->net, format: "ax88179 - Link status is: %d\n", link);
330	}
331	}
332
333	static int ax88179_mdio_read(struct net_device *netdev, int phy_id, int loc)
334	{
335	struct usbnet *dev = netdev_priv(dev: netdev);
336	u16 res;
337
338	ax88179_read_cmd(dev, AX_ACCESS_PHY, value: phy_id, index: (__u16)loc, size: 2, data: &res);
339	return res;
340	}
341
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(dev: netdev);
346	u16 res = (u16) val;
347
348	ax88179_write_cmd(dev, AX_ACCESS_PHY, value: phy_id, index: (__u16)loc, size: 2, data: &res);
349	}
350
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, size: 2, data: &tmp16);
360
361	tmp16 = prtad;
362	ret = ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
363	MII_MMD_DATA, size: 2, data: &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, size: 2, data: &tmp16);
368
369	return ret;
370	}
371
372	static int
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, size: 2, data: &tmp16);
382	if (ret < 0)
383	return ret;
384
385	return tmp16;
386	}
387
388	static int
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, size: 2, data: &data);
398
399	if (ret < 0)
400	return ret;
401
402	return 0;
403	}
404
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, pm_mode: 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	index: 1, size: 1, data: &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	index: 1, size: 1, data: &tmp8);
427	}
428
429	/* Disable RX path */
430	ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
431	index: 2, size: 2, data: &tmp16);
432	tmp16 &= ~AX_MEDIUM_RECEIVE_EN;
433	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
434	index: 2, size: 2, data: &tmp16);
435
436	/* Force bulk-in zero length */
437	ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL,
438	index: 2, size: 2, data: &tmp16);
439
440	tmp16 |= AX_PHYPWR_RSTCTL_BZ | AX_PHYPWR_RSTCTL_IPRL;
441	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL,
442	index: 2, size: 2, data: &tmp16);
443
444	/* change clock */
445	tmp8 = 0;
446	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_CLK_SELECT, index: 1, size: 1, data: &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, index: 2, size: 2, data: &tmp16);
451
452	ax88179_set_pm_mode(dev, pm_mode: 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 */
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, value: 0x43, index: 1, size: 2, data: &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, index: 1, size: 1, data: &tmp8);
473	tmp8 |= AX_CLK_SELECT_ULR;
474	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_CLK_SELECT, index: 1, size: 1, data: &tmp8);
475
476	ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, index: 2, size: 2, data: &tmp16);
477	tmp16 |= AX_PHYPWR_RSTCTL_AT;
478	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, index: 2, size: 2, data: &tmp16);
479
480	return 0;
481	}
482
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, pm_mode: true);
488
489	usbnet_link_change(dev, 0, 0);
490
491	ax88179_reset(dev);
492
493	ax88179_set_pm_mode(dev, pm_mode: false);
494
495	return usbnet_resume(intf);
496	}
497
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
513	ax88179_get_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo)
514	{
515	struct usbnet *dev = netdev_priv(dev: 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
523	ax88179_set_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo)
524	{
525	struct usbnet *dev = netdev_priv(dev: 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
536	static int ax88179_get_eeprom_len(struct net_device *net)
537	{
538	return AX_EEPROM_LEN;
539	}
540
541	static int
542	ax88179_get_eeprom(struct net_device *net, struct ethtool_eeprom *eeprom,
543	u8 *data)
544	{
545	struct usbnet *dev = netdev_priv(dev: 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(n: last_word - first_word + 1, size: 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, value: i, index: 1, size: 2,
565	data: &eeprom_buff[i - first_word]);
566	if (ret < 0) {
567	kfree(objp: eeprom_buff);
568	return -EIO;
569	}
570	}
571
572	memcpy(data, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
573	kfree(objp: eeprom_buff);
574	return 0;
575	}
576
577	static int
578	ax88179_set_eeprom(struct net_device *net, struct ethtool_eeprom *eeprom,
579	u8 *data)
580	{
581	struct usbnet *dev = netdev_priv(dev: 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(n: last_word - first_word + 1, size: 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, value: first_word, index: 1, size: 2,
609	data: &eeprom_buff[0]);
610	if (ret < 0) {
611	netdev_err(dev: net, format: "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, value: last_word, index: 1, size: 2,
618	data: &eeprom_buff[last_word - first_word]);
619	if (ret < 0) {
620	netdev_err(dev: net, format: "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, value: i, index: 1, size: 2,
631	data: &eeprom_buff[i - first_word]);
632	if (ret < 0) {
633	netdev_err(dev: net, format: "Failed to write EEPROM at offset 0x%02x.\n", i);
634	goto free;
635	}
636	msleep(msecs: 20);
637	}
638
639	/* reload EEPROM data */
640	ret = ax88179_write_cmd(dev, AX_RELOAD_EEPROM_EFUSE, value: 0x0000, index: 0, size: 0, NULL);
641	if (ret < 0) {
642	netdev_err(dev: net, format: "Failed to reload EEPROM data\n");
643	goto free;
644	}
645
646	ret = 0;
647	free:
648	kfree(objp: eeprom_buff);
649	return ret;
650	}
651
652	static int ax88179_get_link_ksettings(struct net_device *net,
653	struct ethtool_link_ksettings *cmd)
654	{
655	struct usbnet *dev = netdev_priv(dev: net);
656
657	mii_ethtool_get_link_ksettings(mii: &dev->mii, cmd);
658
659	return 0;
660	}
661
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(dev: net);
666	return mii_ethtool_set_link_ksettings(mii: &dev->mii, cmd);
667	}
668
669	static int
670	ax88179_ethtool_get_eee(struct usbnet *dev, struct ethtool_keee *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	mii_eee_cap1_mod_linkmode_t(adv: data->supported, 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	mii_eee_cap1_mod_linkmode_t(adv: data->advertised, 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	mii_eee_cap1_mod_linkmode_t(adv: data->lp_advertised, val);
694
695	return 0;
696	}
697
698	static int
699	ax88179_ethtool_set_eee(struct usbnet *dev, struct ethtool_keee *data)
700	{
701	u16 tmp16 = linkmode_to_mii_eee_cap1_t(adv: data->advertised);
702
703	return ax88179_phy_write_mmd_indirect(dev, MDIO_AN_EEE_ADV,
704	MDIO_MMD_AN, data: tmp16);
705	}
706
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(mii: &dev->mii, ecmd: &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_adv: 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
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, size: 2, data: &tmp16);
775
776	tmp16 = 0x3246;
777	ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
778	MII_PHYADDR, size: 2, data: &tmp16);
779
780	tmp16 = GMII_PHY_PGSEL_PAGE0;
781	ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
782	GMII_PHY_PAGE_SELECT, size: 2, data: &tmp16);
783	}
784
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, size: 2, data: &tmp16);
792
793	tmp16 = 0x3247;
794	ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
795	MII_PHYADDR, size: 2, data: &tmp16);
796
797	tmp16 = GMII_PHY_PGSEL_PAGE5;
798	ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
799	GMII_PHY_PAGE_SELECT, size: 2, data: &tmp16);
800
801	tmp16 = 0x0680;
802	ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
803	MII_BMSR, size: 2, data: &tmp16);
804
805	tmp16 = GMII_PHY_PGSEL_PAGE0;
806	ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
807	GMII_PHY_PAGE_SELECT, size: 2, data: &tmp16);
808	}
809
810	static int ax88179_get_eee(struct net_device *net, struct ethtool_keee *edata)
811	{
812	struct usbnet *dev = netdev_priv(dev: 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, data: edata);
819	}
820
821	static int ax88179_set_eee(struct net_device *net, struct ethtool_keee *edata)
822	{
823	struct usbnet *dev = netdev_priv(dev: 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, data: edata);
839	if (ret)
840	return ret;
841
842	mii_nway_restart(mii: &dev->mii);
843
844	usbnet_link_change(dev, 0, 0);
845
846	return ret;
847	}
848
849	static int ax88179_ioctl(struct net_device *net, struct ifreq *rq, int cmd)
850	{
851	struct usbnet *dev = netdev_priv(dev: net);
852	return generic_mii_ioctl(mii_if: &dev->mii, mii_data: 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
872	static void ax88179_set_multicast(struct net_device *net)
873	{
874	struct usbnet *dev = netdev_priv(dev: 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	data: 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	index: 2, size: 2, data: &data->rxctl);
910	}
911
912	static int
913	ax88179_set_features(struct net_device *net, netdev_features_t features)
914	{
915	u8 tmp;
916	struct usbnet *dev = netdev_priv(dev: 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, index: 1, size: 1, data: &tmp);
921	tmp ^= AX_TXCOE_TCP | AX_TXCOE_UDP;
922	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_TXCOE_CTL, index: 1, size: 1, data: &tmp);
923	}
924
925	if (changed & NETIF_F_IPV6_CSUM) {
926	ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_TXCOE_CTL, index: 1, size: 1, data: &tmp);
927	tmp ^= AX_TXCOE_TCPV6 | AX_TXCOE_UDPV6;
928	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_TXCOE_CTL, index: 1, size: 1, data: &tmp);
929	}
930
931	if (changed & NETIF_F_RXCSUM) {
932	ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_RXCOE_CTL, index: 1, size: 1, data: &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, index: 1, size: 1, data: &tmp);
936	}
937
938	return 0;
939	}
940
941	static int ax88179_change_mtu(struct net_device *net, int new_mtu)
942	{
943	struct usbnet *dev = netdev_priv(dev: 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	index: 2, size: 2, data: &tmp16);
952	tmp16 |= AX_MEDIUM_JUMBO_EN;
953	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
954	index: 2, size: 2, data: &tmp16);
955	} else {
956	ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
957	index: 2, size: 2, data: &tmp16);
958	tmp16 &= ~AX_MEDIUM_JUMBO_EN;
959	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
960	index: 2, size: 2, data: &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
969	static int ax88179_set_mac_addr(struct net_device *net, void *p)
970	{
971	struct usbnet *dev = netdev_priv(dev: net);
972	struct sockaddr *addr = p;
973	int ret;
974
975	if (netif_running(dev: net))
976	return -EBUSY;
977	if (!is_valid_ether_addr(addr: addr->sa_data))
978	return -EADDRNOTAVAIL;
979
980	eth_hw_addr_set(dev: net, addr: 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, data: 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
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	index: 1, size: 1, data: &buf) < 0)
1016	return -EINVAL;
1017
1018	buf = EEP_RD;
1019	if (ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_SROM_CMD,
1020	index: 1, size: 1, data: &buf) < 0)
1021	return -EINVAL;
1022
1023	jtimeout = jiffies + delay;
1024	do {
1025	ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_SROM_CMD,
1026	index: 1, size: 1, data: &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	index: 2, size: 2, data: &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
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, value: 0, index: 64, size: 64, data: 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
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, value: 0x3C, index: 1, size: 2, data: &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
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, index: 1, size: 1, data: &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	index: 1, size: 1, data: &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	index: 1, size: 1, data: &value) < 0)
1134	return -EINVAL;
1135
1136	value = EEP_RD;
1137	if (ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_SROM_CMD,
1138	index: 1, size: 1, data: &value) < 0)
1139	return -EINVAL;
1140
1141	jtimeout = jiffies + delay;
1142	do {
1143	ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_SROM_CMD,
1144	index: 1, size: 1, data: &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	index: 1, size: 1, data: &value);
1153	ledvalue = (value << 8);
1154
1155	ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_SROM_DATA_LOW,
1156	index: 1, size: 1, data: &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: &ledvalue);
1162
1163	} else if (!ax88179_check_efuse(dev, ledmode: &ledvalue)) {
1164	if ((ledvalue == 0xFFFF) || ((ledvalue & LED_VALID) == 0))
1165	ax88179_convert_old_led(dev, ledvalue: &ledvalue);
1166	} else {
1167	ax88179_convert_old_led(dev, ledvalue: &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, size: 2, data: &tmp);
1173
1174	tmp = 0x2c;
1175	ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1176	GMII_PHYPAGE, size: 2, data: &tmp);
1177
1178	ax88179_read_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1179	GMII_LED_ACT, size: 2, data: &ledact);
1180
1181	ax88179_read_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1182	GMII_LED_LINK, size: 2, data: &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, size: 2, data: &tmp);
1226
1227	tmp = ledlink;
1228	ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1229	GMII_LED_LINK, size: 2, data: &tmp);
1230
1231	tmp = GMII_PHY_PGSEL_PAGE0;
1232	ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1233	GMII_PHY_PAGE_SELECT, size: 2, data: &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, index: 1, size: 1, data: &ledfd);
1253
1254	return 0;
1255	}
1256
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: &dev->udev->dev, mac_addr: 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, data: mac);
1270	netif_dbg(dev, ifup, dev->net,
1271	"MAC address read from ASIX chip");
1272	}
1273
1274	if (is_valid_ether_addr(addr: mac)) {
1275	eth_hw_addr_set(dev: dev->net, addr: mac);
1276	if (!is_local_ether_addr(addr: mac))
1277	dev->net->addr_assign_type = NET_ADDR_PERM;
1278	} else {
1279	netdev_info(dev: dev->net, format: "invalid MAC address, using random\n");
1280	eth_hw_addr_random(dev: dev->net);
1281	}
1282
1283	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_NODE_ID, ETH_ALEN, ETH_ALEN,
1284	data: dev->net->dev_addr);
1285	}
1286
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(size: 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: dev->net, size: 16384);
1319
1320	ax88179_reset(dev);
1321
1322	return 0;
1323	}
1324
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, index: 2, size: 2, data: &tmp16);
1333
1334	tmp16 = 0;
1335	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_CLK_SELECT, index: 1, size: 1, data: &tmp16);
1336
1337	/* Power down ethernet PHY */
1338	tmp16 = 0;
1339	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, index: 2, size: 2, data: &tmp16);
1340
1341	kfree(objp: ax179_data);
1342	}
1343
1344	static void
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
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, len: skb->len - 4);
1411	rx_hdr = get_unaligned_le32(p: 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, len: 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, len: pkt_len_plus_padd);
1449	continue;
1450	}
1451
1452	/* last packet */
1453	if (pkt_len_plus_padd == skb->len) {
1454	skb_trim(skb, len: pkt_len);
1455
1456	/* Skip IP alignment pseudo header */
1457	skb_pull(skb, len: 2);
1458
1459	skb->truesize = SKB_TRUESIZE(pkt_len_plus_padd);
1460	ax88179_rx_checksum(skb, pkt_hdr);
1461	return 1;
1462	}
1463
1464	ax_skb = skb_clone(skb, GFP_ATOMIC);
1465	if (!ax_skb)
1466	return 0;
1467	skb_trim(skb: ax_skb, len: pkt_len);
1468
1469	/* Skip IP alignment pseudo header */
1470	skb_pull(skb: ax_skb, len: 2);
1471
1472	skb->truesize = pkt_len_plus_padd +
1473	SKB_DATA_ALIGN(sizeof(struct sk_buff));
1474	ax88179_rx_checksum(skb: ax_skb, pkt_hdr);
1475	usbnet_skb_return(dev, ax_skb);
1476
1477	skb_pull(skb, len: pkt_len_plus_padd);
1478	}
1479
1480	return 0;
1481	}
1482
1483	static struct sk_buff *
1484	ax88179_tx_fixup(struct usbnet *dev, struct sk_buff *skb, gfp_t flags)
1485	{
1486	u32 tx_hdr1, tx_hdr2;
1487	int frame_size = dev->maxpacket;
1488	int headroom;
1489	void *ptr;
1490
1491	tx_hdr1 = skb->len;
1492	tx_hdr2 = skb_shinfo(skb)->gso_size; /* Set TSO mss */
1493	if (((skb->len + 8) % frame_size) == 0)
1494	tx_hdr2 |= 0x80008000; /* Enable padding */
1495
1496	headroom = skb_headroom(skb) - 8;
1497
1498	if ((dev->net->features & NETIF_F_SG) && skb_linearize(skb))
1499	return NULL;
1500
1501	if ((skb_header_cloned(skb) || headroom < 0) &&
1502	pskb_expand_head(skb, nhead: headroom < 0 ? 8 : 0, ntail: 0, GFP_ATOMIC)) {
1503	dev_kfree_skb_any(skb);
1504	return NULL;
1505	}
1506
1507	ptr = skb_push(skb, len: 8);
1508	put_unaligned_le32(val: tx_hdr1, p: ptr);
1509	put_unaligned_le32(val: tx_hdr2, p: ptr + 4);
1510
1511	usbnet_set_skb_tx_stats(skb, packets: (skb_shinfo(skb)->gso_segs ?: 1), bytes_delta: 0);
1512
1513	return skb;
1514	}
1515
1516	static int ax88179_link_reset(struct usbnet *dev)
1517	{
1518	struct ax88179_data *ax179_data = dev->driver_priv;
1519	u8 tmp[5], link_sts;
1520	u16 mode, tmp16, delay = HZ / 10;
1521	u32 tmp32 = 0x40000000;
1522	unsigned long jtimeout;
1523
1524	jtimeout = jiffies + delay;
1525	while (tmp32 & 0x40000000) {
1526	mode = 0;
1527	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_CTL, index: 2, size: 2, data: &mode);
1528	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_CTL, index: 2, size: 2,
1529	data: &ax179_data->rxctl);
1530
1531	/*link up, check the usb device control TX FIFO full or empty*/
1532	ax88179_read_cmd(dev, cmd: 0x81, value: 0x8c, index: 0, size: 4, data: &tmp32);
1533
1534	if (time_after(jiffies, jtimeout))
1535	return 0;
1536	}
1537
1538	mode = AX_MEDIUM_RECEIVE_EN | AX_MEDIUM_TXFLOW_CTRLEN |
1539	AX_MEDIUM_RXFLOW_CTRLEN;
1540
1541	ax88179_read_cmd(dev, AX_ACCESS_MAC, PHYSICAL_LINK_STATUS,
1542	index: 1, size: 1, data: &link_sts);
1543
1544	ax88179_read_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1545	GMII_PHY_PHYSR, size: 2, data: &tmp16);
1546
1547	if (!(tmp16 & GMII_PHY_PHYSR_LINK)) {
1548	return 0;
1549	} else if (GMII_PHY_PHYSR_GIGA == (tmp16 & GMII_PHY_PHYSR_SMASK)) {
1550	mode |= AX_MEDIUM_GIGAMODE | AX_MEDIUM_EN_125MHZ;
1551	if (dev->net->mtu > 1500)
1552	mode |= AX_MEDIUM_JUMBO_EN;
1553
1554	if (link_sts & AX_USB_SS)
1555	memcpy(tmp, &AX88179_BULKIN_SIZE[0], 5);
1556	else if (link_sts & AX_USB_HS)
1557	memcpy(tmp, &AX88179_BULKIN_SIZE[1], 5);
1558	else
1559	memcpy(tmp, &AX88179_BULKIN_SIZE[3], 5);
1560	} else if (GMII_PHY_PHYSR_100 == (tmp16 & GMII_PHY_PHYSR_SMASK)) {
1561	mode |= AX_MEDIUM_PS;
1562
1563	if (link_sts & (AX_USB_SS | AX_USB_HS))
1564	memcpy(tmp, &AX88179_BULKIN_SIZE[2], 5);
1565	else
1566	memcpy(tmp, &AX88179_BULKIN_SIZE[3], 5);
1567	} else {
1568	memcpy(tmp, &AX88179_BULKIN_SIZE[3], 5);
1569	}
1570
1571	/* RX bulk configuration */
1572	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_BULKIN_QCTRL, index: 5, size: 5, data: tmp);
1573
1574	dev->rx_urb_size = (1024 * (tmp[3] + 2));
1575
1576	if (tmp16 & GMII_PHY_PHYSR_FULL)
1577	mode |= AX_MEDIUM_FULL_DUPLEX;
1578	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
1579	index: 2, size: 2, data: &mode);
1580
1581	ax179_data->eee_enabled = ax88179_chk_eee(dev);
1582
1583	netif_carrier_on(dev: dev->net);
1584
1585	return 0;
1586	}
1587
1588	static int ax88179_reset(struct usbnet *dev)
1589	{
1590	u8 buf[5];
1591	u16 *tmp16;
1592	u8 *tmp;
1593	struct ax88179_data *ax179_data = dev->driver_priv;
1594	struct ethtool_keee eee_data;
1595
1596	tmp16 = (u16 *)buf;
1597	tmp = (u8 *)buf;
1598
1599	/* Power up ethernet PHY */
1600	*tmp16 = 0;
1601	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, index: 2, size: 2, data: tmp16);
1602
1603	*tmp16 = AX_PHYPWR_RSTCTL_IPRL;
1604	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, index: 2, size: 2, data: tmp16);
1605	msleep(msecs: 500);
1606
1607	*tmp = AX_CLK_SELECT_ACS | AX_CLK_SELECT_BCS;
1608	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_CLK_SELECT, index: 1, size: 1, data: tmp);
1609	msleep(msecs: 200);
1610
1611	/* Ethernet PHY Auto Detach*/
1612	ax88179_auto_detach(dev);
1613
1614	/* Read MAC address from DTB or asix chip */
1615	ax88179_get_mac_addr(dev);
1616	memcpy(dev->net->perm_addr, dev->net->dev_addr, ETH_ALEN);
1617
1618	/* RX bulk configuration */
1619	memcpy(tmp, &AX88179_BULKIN_SIZE[0], 5);
1620	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_BULKIN_QCTRL, index: 5, size: 5, data: tmp);
1621
1622	dev->rx_urb_size = 1024 * 20;
1623
1624	*tmp = 0x34;
1625	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PAUSE_WATERLVL_LOW, index: 1, size: 1, data: tmp);
1626
1627	*tmp = 0x52;
1628	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PAUSE_WATERLVL_HIGH,
1629	index: 1, size: 1, data: tmp);
1630
1631	/* Enable checksum offload */
1632	*tmp = AX_RXCOE_IP | AX_RXCOE_TCP | AX_RXCOE_UDP |
1633	AX_RXCOE_TCPV6 | AX_RXCOE_UDPV6;
1634	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RXCOE_CTL, index: 1, size: 1, data: tmp);
1635
1636	*tmp = AX_TXCOE_IP | AX_TXCOE_TCP | AX_TXCOE_UDP |
1637	AX_TXCOE_TCPV6 | AX_TXCOE_UDPV6;
1638	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_TXCOE_CTL, index: 1, size: 1, data: tmp);
1639
1640	/* Configure RX control register => start operation */
1641	*tmp16 = AX_RX_CTL_DROPCRCERR | AX_RX_CTL_IPE | AX_RX_CTL_START |
1642	AX_RX_CTL_AP | AX_RX_CTL_AMALL | AX_RX_CTL_AB;
1643	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_CTL, index: 2, size: 2, data: tmp16);
1644
1645	*tmp = AX_MONITOR_MODE_PMETYPE | AX_MONITOR_MODE_PMEPOL |
1646	AX_MONITOR_MODE_RWMP;
1647	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MONITOR_MOD, index: 1, size: 1, data: tmp);
1648
1649	/* Configure default medium type => giga */
1650	*tmp16 = AX_MEDIUM_RECEIVE_EN | AX_MEDIUM_TXFLOW_CTRLEN |
1651	AX_MEDIUM_RXFLOW_CTRLEN | AX_MEDIUM_FULL_DUPLEX |
1652	AX_MEDIUM_GIGAMODE;
1653	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
1654	index: 2, size: 2, data: tmp16);
1655
1656	/* Check if WoL is supported */
1657	ax179_data->wol_supported = 0;
1658	if (ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_MONITOR_MOD,
1659	index: 1, size: 1, data: &tmp) > 0)
1660	ax179_data->wol_supported = WAKE_MAGIC | WAKE_PHY;
1661
1662	ax88179_led_setting(dev);
1663
1664	ax179_data->eee_enabled = 0;
1665	ax179_data->eee_active = 0;
1666
1667	ax88179_disable_eee(dev);
1668
1669	ax88179_ethtool_get_eee(dev, data: &eee_data);
1670	linkmode_zero(dst: eee_data.advertised);
1671	ax88179_ethtool_set_eee(dev, data: &eee_data);
1672
1673	/* Restart autoneg */
1674	mii_nway_restart(mii: &dev->mii);
1675
1676	usbnet_link_change(dev, 0, 0);
1677
1678	return 0;
1679	}
1680
1681	static int ax88179_stop(struct usbnet *dev)
1682	{
1683	u16 tmp16;
1684
1685	ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
1686	index: 2, size: 2, data: &tmp16);
1687	tmp16 &= ~AX_MEDIUM_RECEIVE_EN;
1688	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
1689	index: 2, size: 2, data: &tmp16);
1690
1691	return 0;
1692	}
1693
1694	static const struct driver_info ax88179_info = {
1695	.description = "ASIX AX88179 USB 3.0 Gigabit Ethernet",
1696	.bind = ax88179_bind,
1697	.unbind = ax88179_unbind,
1698	.status = ax88179_status,
1699	.link_reset = ax88179_link_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 driver_info ax88178a_info = {
1707	.description = "ASIX AX88178A USB 2.0 Gigabit Ethernet",
1708	.bind = ax88179_bind,
1709	.unbind = ax88179_unbind,
1710	.status = ax88179_status,
1711	.link_reset = ax88179_link_reset,
1712	.stop = ax88179_stop,
1713	.flags = FLAG_ETHER | FLAG_FRAMING_AX,
1714	.rx_fixup = ax88179_rx_fixup,
1715	.tx_fixup = ax88179_tx_fixup,
1716	};
1717
1718	static const struct driver_info cypress_GX3_info = {
1719	.description = "Cypress GX3 SuperSpeed to Gigabit Ethernet Controller",
1720	.bind = ax88179_bind,
1721	.unbind = ax88179_unbind,
1722	.status = ax88179_status,
1723	.link_reset = ax88179_link_reset,
1724	.reset = ax88179_reset,
1725	.stop = ax88179_stop,
1726	.flags = FLAG_ETHER | FLAG_FRAMING_AX,
1727	.rx_fixup = ax88179_rx_fixup,
1728	.tx_fixup = ax88179_tx_fixup,
1729	};
1730
1731	static const struct driver_info dlink_dub1312_info = {
1732	.description = "D-Link DUB-1312 USB 3.0 to Gigabit Ethernet Adapter",
1733	.bind = ax88179_bind,
1734	.unbind = ax88179_unbind,
1735	.status = ax88179_status,
1736	.link_reset = ax88179_link_reset,
1737	.reset = ax88179_reset,
1738	.stop = ax88179_stop,
1739	.flags = FLAG_ETHER | FLAG_FRAMING_AX,
1740	.rx_fixup = ax88179_rx_fixup,
1741	.tx_fixup = ax88179_tx_fixup,
1742	};
1743
1744	static const struct driver_info sitecom_info = {
1745	.description = "Sitecom USB 3.0 to Gigabit Adapter",
1746	.bind = ax88179_bind,
1747	.unbind = ax88179_unbind,
1748	.status = ax88179_status,
1749	.link_reset = ax88179_link_reset,
1750	.reset = ax88179_reset,
1751	.stop = ax88179_stop,
1752	.flags = FLAG_ETHER | FLAG_FRAMING_AX,
1753	.rx_fixup = ax88179_rx_fixup,
1754	.tx_fixup = ax88179_tx_fixup,
1755	};
1756
1757	static const struct driver_info samsung_info = {
1758	.description = "Samsung USB Ethernet Adapter",
1759	.bind = ax88179_bind,
1760	.unbind = ax88179_unbind,
1761	.status = ax88179_status,
1762	.link_reset = ax88179_link_reset,
1763	.reset = ax88179_reset,
1764	.stop = ax88179_stop,
1765	.flags = FLAG_ETHER | FLAG_FRAMING_AX,
1766	.rx_fixup = ax88179_rx_fixup,
1767	.tx_fixup = ax88179_tx_fixup,
1768	};
1769
1770	static const struct driver_info lenovo_info = {
1771	.description = "Lenovo OneLinkDock Gigabit LAN",
1772	.bind = ax88179_bind,
1773	.unbind = ax88179_unbind,
1774	.status = ax88179_status,
1775	.link_reset = ax88179_link_reset,
1776	.reset = ax88179_reset,
1777	.stop = ax88179_stop,
1778	.flags = FLAG_ETHER | FLAG_FRAMING_AX,
1779	.rx_fixup = ax88179_rx_fixup,
1780	.tx_fixup = ax88179_tx_fixup,
1781	};
1782
1783	static const struct driver_info belkin_info = {
1784	.description = "Belkin USB Ethernet Adapter",
1785	.bind = ax88179_bind,
1786	.unbind = ax88179_unbind,
1787	.status = ax88179_status,
1788	.link_reset = ax88179_link_reset,
1789	.reset = ax88179_reset,
1790	.stop = ax88179_stop,
1791	.flags = FLAG_ETHER | FLAG_FRAMING_AX,
1792	.rx_fixup = ax88179_rx_fixup,
1793	.tx_fixup = ax88179_tx_fixup,
1794	};
1795
1796	static const struct driver_info toshiba_info = {
1797	.description = "Toshiba USB Ethernet Adapter",
1798	.bind = ax88179_bind,
1799	.unbind = ax88179_unbind,
1800	.status = ax88179_status,
1801	.link_reset = ax88179_link_reset,
1802	.reset = ax88179_reset,
1803	.stop = ax88179_stop,
1804	.flags = FLAG_ETHER | FLAG_FRAMING_AX,
1805	.rx_fixup = ax88179_rx_fixup,
1806	.tx_fixup = ax88179_tx_fixup,
1807	};
1808
1809	static const struct driver_info mct_info = {
1810	.description = "MCT USB 3.0 Gigabit Ethernet Adapter",
1811	.bind = ax88179_bind,
1812	.unbind = ax88179_unbind,
1813	.status = ax88179_status,
1814	.link_reset = ax88179_link_reset,
1815	.reset = ax88179_reset,
1816	.stop = ax88179_stop,
1817	.flags = FLAG_ETHER | FLAG_FRAMING_AX,
1818	.rx_fixup = ax88179_rx_fixup,
1819	.tx_fixup = ax88179_tx_fixup,
1820	};
1821
1822	static const struct driver_info at_umc2000_info = {
1823	.description = "AT-UMC2000 USB 3.0/USB 3.1 Gen 1 to Gigabit Ethernet Adapter",
1824	.bind = ax88179_bind,
1825	.unbind = ax88179_unbind,
1826	.status = ax88179_status,
1827	.link_reset = ax88179_link_reset,
1828	.reset = ax88179_reset,
1829	.stop = ax88179_stop,
1830	.flags = FLAG_ETHER | FLAG_FRAMING_AX,
1831	.rx_fixup = ax88179_rx_fixup,
1832	.tx_fixup = ax88179_tx_fixup,
1833	};
1834
1835	static const struct driver_info at_umc200_info = {
1836	.description = "AT-UMC200 USB 3.0/USB 3.1 Gen 1 to Fast Ethernet Adapter",
1837	.bind = ax88179_bind,
1838	.unbind = ax88179_unbind,
1839	.status = ax88179_status,
1840	.link_reset = ax88179_link_reset,
1841	.reset = ax88179_reset,
1842	.stop = ax88179_stop,
1843	.flags = FLAG_ETHER | FLAG_FRAMING_AX,
1844	.rx_fixup = ax88179_rx_fixup,
1845	.tx_fixup = ax88179_tx_fixup,
1846	};
1847
1848	static const struct driver_info at_umc2000sp_info = {
1849	.description = "AT-UMC2000/SP USB 3.0/USB 3.1 Gen 1 to Gigabit Ethernet Adapter",
1850	.bind = ax88179_bind,
1851	.unbind = ax88179_unbind,
1852	.status = ax88179_status,
1853	.link_reset = ax88179_link_reset,
1854	.reset = ax88179_reset,
1855	.stop = ax88179_stop,
1856	.flags = FLAG_ETHER | FLAG_FRAMING_AX,
1857	.rx_fixup = ax88179_rx_fixup,
1858	.tx_fixup = ax88179_tx_fixup,
1859	};
1860
1861	static const struct usb_device_id products[] = {
1862	{
1863	/* ASIX AX88179 10/100/1000 */
1864	USB_DEVICE_AND_INTERFACE_INFO(0x0b95, 0x1790, 0xff, 0xff, 0),
1865	.driver_info = (unsigned long)&ax88179_info,
1866	}, {
1867	/* ASIX AX88178A 10/100/1000 */
1868	USB_DEVICE_AND_INTERFACE_INFO(0x0b95, 0x178a, 0xff, 0xff, 0),
1869	.driver_info = (unsigned long)&ax88178a_info,
1870	}, {
1871	/* Cypress GX3 SuperSpeed to Gigabit Ethernet Bridge Controller */
1872	USB_DEVICE_AND_INTERFACE_INFO(0x04b4, 0x3610, 0xff, 0xff, 0),
1873	.driver_info = (unsigned long)&cypress_GX3_info,
1874	}, {
1875	/* D-Link DUB-1312 USB 3.0 to Gigabit Ethernet Adapter */
1876	USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x4a00, 0xff, 0xff, 0),
1877	.driver_info = (unsigned long)&dlink_dub1312_info,
1878	}, {
1879	/* Sitecom USB 3.0 to Gigabit Adapter */
1880	USB_DEVICE_AND_INTERFACE_INFO(0x0df6, 0x0072, 0xff, 0xff, 0),
1881	.driver_info = (unsigned long)&sitecom_info,
1882	}, {
1883	/* Samsung USB Ethernet Adapter */
1884	USB_DEVICE_AND_INTERFACE_INFO(0x04e8, 0xa100, 0xff, 0xff, 0),
1885	.driver_info = (unsigned long)&samsung_info,
1886	}, {
1887	/* Lenovo OneLinkDock Gigabit LAN */
1888	USB_DEVICE_AND_INTERFACE_INFO(0x17ef, 0x304b, 0xff, 0xff, 0),
1889	.driver_info = (unsigned long)&lenovo_info,
1890	}, {
1891	/* Belkin B2B128 USB 3.0 Hub + Gigabit Ethernet Adapter */
1892	USB_DEVICE_AND_INTERFACE_INFO(0x050d, 0x0128, 0xff, 0xff, 0),
1893	.driver_info = (unsigned long)&belkin_info,
1894	}, {
1895	/* Toshiba USB 3.0 GBit Ethernet Adapter */
1896	USB_DEVICE_AND_INTERFACE_INFO(0x0930, 0x0a13, 0xff, 0xff, 0),
1897	.driver_info = (unsigned long)&toshiba_info,
1898	}, {
1899	/* Magic Control Technology U3-A9003 USB 3.0 Gigabit Ethernet Adapter */
1900	USB_DEVICE_AND_INTERFACE_INFO(0x0711, 0x0179, 0xff, 0xff, 0),
1901	.driver_info = (unsigned long)&mct_info,
1902	}, {
1903	/* Allied Telesis AT-UMC2000 USB 3.0/USB 3.1 Gen 1 to Gigabit Ethernet Adapter */
1904	USB_DEVICE_AND_INTERFACE_INFO(0x07c9, 0x000e, 0xff, 0xff, 0),
1905	.driver_info = (unsigned long)&at_umc2000_info,
1906	}, {
1907	/* Allied Telesis AT-UMC200 USB 3.0/USB 3.1 Gen 1 to Fast Ethernet Adapter */
1908	USB_DEVICE_AND_INTERFACE_INFO(0x07c9, 0x000f, 0xff, 0xff, 0),
1909	.driver_info = (unsigned long)&at_umc200_info,
1910	}, {
1911	/* Allied Telesis AT-UMC2000/SP USB 3.0/USB 3.1 Gen 1 to Gigabit Ethernet Adapter */
1912	USB_DEVICE_AND_INTERFACE_INFO(0x07c9, 0x0010, 0xff, 0xff, 0),
1913	.driver_info = (unsigned long)&at_umc2000sp_info,
1914	},
1915	{ },
1916	};
1917	MODULE_DEVICE_TABLE(usb, products);
1918
1919	static struct usb_driver ax88179_178a_driver = {
1920	.name = "ax88179_178a",
1921	.id_table = products,
1922	.probe = usbnet_probe,
1923	.suspend = ax88179_suspend,
1924	.resume = ax88179_resume,
1925	.reset_resume = ax88179_resume,
1926	.disconnect = ax88179_disconnect,
1927	.supports_autosuspend = 1,
1928	.disable_hub_initiated_lpm = 1,
1929	};
1930
1931	module_usb_driver(ax88179_178a_driver);
1932
1933	MODULE_DESCRIPTION("ASIX AX88179/178A based USB 3.0/2.0 Gigabit Ethernet Devices");
1934	MODULE_LICENSE("GPL");
1935