perf tools: Don't clone maps from parent when synthesizing forks
[linux/fpc-iii.git] / drivers / net / usb / ax88179_178a.c
blob2207f7a7d1ffbb3fe6c4fefa101c4bb2ae01384e
1 /*
2 * ASIX AX88179/178A USB 3.0/2.0 to Gigabit Ethernet Devices
4 * Copyright (C) 2011-2013 ASIX
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.
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.
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/>.
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>
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
49 #define PHYSICAL_LINK_STATUS 0x02
50 #define AX_USB_SS 0x04
51 #define AX_USB_HS 0x02
53 #define GENERAL_STATUS 0x03
54 /* Check AX88179 version. UA1:Bit2 = 0, UA2:Bit2 = 1 */
55 #define AX_SECLD 0x04
57 #define AX_SROM_ADDR 0x07
58 #define AX_SROM_CMD 0x0a
59 #define EEP_RD 0x04
60 #define EEP_BUSY 0x10
62 #define AX_SROM_DATA_LOW 0x08
63 #define AX_SROM_DATA_HIGH 0x09
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
76 #define AX_NODE_ID 0x10
77 #define AX_MULFLTARY 0x16
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
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
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
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
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
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
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
125 #define AX_LEDCTRL 0x73
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
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)
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
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
178 struct ax88179_data {
179 u8 eee_enabled;
180 u8 eee_active;
181 u16 rxctl;
182 u16 reserved;
185 struct ax88179_int_data {
186 __le32 intdata1;
187 __le32 intdata2;
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},
199 static int __ax88179_read_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
200 u16 size, void *data, int in_pm)
202 int ret;
203 int (*fn)(struct usbnet *, u8, u8, u16, u16, void *, u16);
205 BUG_ON(!dev);
207 if (!in_pm)
208 fn = usbnet_read_cmd;
209 else
210 fn = usbnet_read_cmd_nopm;
212 ret = fn(dev, cmd, USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
213 value, index, data, size);
215 if (unlikely(ret < 0))
216 netdev_warn(dev->net, "Failed to read reg index 0x%04x: %d\n",
217 index, ret);
219 return ret;
222 static int __ax88179_write_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
223 u16 size, void *data, int in_pm)
225 int ret;
226 int (*fn)(struct usbnet *, u8, u8, u16, u16, const void *, u16);
228 BUG_ON(!dev);
230 if (!in_pm)
231 fn = usbnet_write_cmd;
232 else
233 fn = usbnet_write_cmd_nopm;
235 ret = fn(dev, cmd, USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
236 value, index, data, size);
238 if (unlikely(ret < 0))
239 netdev_warn(dev->net, "Failed to write reg index 0x%04x: %d\n",
240 index, ret);
242 return ret;
245 static void ax88179_write_cmd_async(struct usbnet *dev, u8 cmd, u16 value,
246 u16 index, u16 size, void *data)
248 u16 buf;
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);
263 static int ax88179_read_cmd_nopm(struct usbnet *dev, u8 cmd, u16 value,
264 u16 index, u16 size, void *data)
266 int ret;
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);
282 return ret;
285 static int ax88179_write_cmd_nopm(struct usbnet *dev, u8 cmd, u16 value,
286 u16 index, u16 size, void *data)
288 int ret;
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);
301 return ret;
304 static int ax88179_read_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
305 u16 size, void *data)
307 int ret;
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);
323 return ret;
326 static int ax88179_write_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
327 u16 size, void *data)
329 int ret;
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);
342 return ret;
345 static void ax88179_status(struct usbnet *dev, struct urb *urb)
347 struct ax88179_int_data *event;
348 u32 link;
350 if (urb->actual_length < 8)
351 return;
353 event = urb->transfer_buffer;
354 le32_to_cpus((void *)&event->intdata1);
356 link = (((__force u32)event->intdata1) & AX_INT_PPLS_LINK) >> 16;
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);
364 static int ax88179_mdio_read(struct net_device *netdev, int phy_id, int loc)
366 struct usbnet *dev = netdev_priv(netdev);
367 u16 res;
369 ax88179_read_cmd(dev, AX_ACCESS_PHY, phy_id, (__u16)loc, 2, &res);
370 return res;
373 static void ax88179_mdio_write(struct net_device *netdev, int phy_id, int loc,
374 int val)
376 struct usbnet *dev = netdev_priv(netdev);
377 u16 res = (u16) val;
379 ax88179_write_cmd(dev, AX_ACCESS_PHY, phy_id, (__u16)loc, 2, &res);
382 static inline int ax88179_phy_mmd_indirect(struct usbnet *dev, u16 prtad,
383 u16 devad)
385 u16 tmp16;
386 int ret;
388 tmp16 = devad;
389 ret = ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
390 MII_MMD_CTRL, 2, &tmp16);
392 tmp16 = prtad;
393 ret = ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
394 MII_MMD_DATA, 2, &tmp16);
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);
400 return ret;
403 static int
404 ax88179_phy_read_mmd_indirect(struct usbnet *dev, u16 prtad, u16 devad)
406 int ret;
407 u16 tmp16;
409 ax88179_phy_mmd_indirect(dev, prtad, devad);
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;
416 return tmp16;
419 static int
420 ax88179_phy_write_mmd_indirect(struct usbnet *dev, u16 prtad, u16 devad,
421 u16 data)
423 int ret;
425 ax88179_phy_mmd_indirect(dev, prtad, devad);
427 ret = ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
428 MII_MMD_DATA, 2, &data);
430 if (ret < 0)
431 return ret;
433 return 0;
436 static int ax88179_suspend(struct usb_interface *intf, pm_message_t message)
438 struct usbnet *dev = usb_get_intfdata(intf);
439 u16 tmp16;
440 u8 tmp8;
442 usbnet_suspend(intf, message);
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);
451 /* Force bulk-in zero length */
452 ax88179_read_cmd_nopm(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL,
453 2, 2, &tmp16);
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);
459 /* change clock */
460 tmp8 = 0;
461 ax88179_write_cmd_nopm(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, &tmp8);
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);
467 return 0;
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)
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 *);
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;
487 if (fnr(dev, AX_ACCESS_EEPROM, 0x43, 1, 2, &tmp16) < 0)
488 return 0;
490 if ((tmp16 == 0xFFFF) || (!(tmp16 & 0x0100)))
491 return 0;
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);
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);
503 return 0;
506 static int ax88179_resume(struct usb_interface *intf)
508 struct usbnet *dev = usb_get_intfdata(intf);
509 u16 tmp16;
510 u8 tmp8;
512 usbnet_link_change(dev, 0, 0);
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);
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);
525 /* Ethernet PHY Auto Detach*/
526 ax88179_auto_detach(dev, 1);
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);
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);
539 return usbnet_resume(intf);
542 static void
543 ax88179_get_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo)
545 struct usbnet *dev = netdev_priv(net);
546 u8 opt;
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;
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;
563 static int
564 ax88179_set_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo)
566 struct usbnet *dev = netdev_priv(net);
567 u8 opt = 0;
569 if (wolinfo->wolopts & ~(WAKE_PHY | WAKE_MAGIC))
570 return -EINVAL;
572 if (wolinfo->wolopts & WAKE_PHY)
573 opt |= AX_MONITOR_MODE_RWLC;
574 if (wolinfo->wolopts & WAKE_MAGIC)
575 opt |= AX_MONITOR_MODE_RWMP;
577 if (ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MONITOR_MOD,
578 1, 1, &opt) < 0)
579 return -EINVAL;
581 return 0;
584 static int ax88179_get_eeprom_len(struct net_device *net)
586 return AX_EEPROM_LEN;
589 static int
590 ax88179_get_eeprom(struct net_device *net, struct ethtool_eeprom *eeprom,
591 u8 *data)
593 struct usbnet *dev = netdev_priv(net);
594 u16 *eeprom_buff;
595 int first_word, last_word;
596 int i, ret;
598 if (eeprom->len == 0)
599 return -EINVAL;
601 eeprom->magic = AX88179_EEPROM_MAGIC;
603 first_word = eeprom->offset >> 1;
604 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
605 eeprom_buff = kmalloc_array(last_word - first_word + 1, sizeof(u16),
606 GFP_KERNEL);
607 if (!eeprom_buff)
608 return -ENOMEM;
610 /* ax88179/178A returns 2 bytes from eeprom on read */
611 for (i = first_word; i <= last_word; i++) {
612 ret = __ax88179_read_cmd(dev, AX_ACCESS_EEPROM, i, 1, 2,
613 &eeprom_buff[i - first_word],
615 if (ret < 0) {
616 kfree(eeprom_buff);
617 return -EIO;
621 memcpy(data, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
622 kfree(eeprom_buff);
623 return 0;
626 static int ax88179_get_link_ksettings(struct net_device *net,
627 struct ethtool_link_ksettings *cmd)
629 struct usbnet *dev = netdev_priv(net);
631 mii_ethtool_get_link_ksettings(&dev->mii, cmd);
633 return 0;
636 static int ax88179_set_link_ksettings(struct net_device *net,
637 const struct ethtool_link_ksettings *cmd)
639 struct usbnet *dev = netdev_priv(net);
640 return mii_ethtool_set_link_ksettings(&dev->mii, cmd);
643 static int
644 ax88179_ethtool_get_eee(struct usbnet *dev, struct ethtool_eee *data)
646 int val;
648 /* Get Supported EEE */
649 val = ax88179_phy_read_mmd_indirect(dev, MDIO_PCS_EEE_ABLE,
650 MDIO_MMD_PCS);
651 if (val < 0)
652 return val;
653 data->supported = mmd_eee_cap_to_ethtool_sup_t(val);
655 /* Get advertisement EEE */
656 val = ax88179_phy_read_mmd_indirect(dev, MDIO_AN_EEE_ADV,
657 MDIO_MMD_AN);
658 if (val < 0)
659 return val;
660 data->advertised = mmd_eee_adv_to_ethtool_adv_t(val);
662 /* Get LP advertisement EEE */
663 val = ax88179_phy_read_mmd_indirect(dev, MDIO_AN_EEE_LPABLE,
664 MDIO_MMD_AN);
665 if (val < 0)
666 return val;
667 data->lp_advertised = mmd_eee_adv_to_ethtool_adv_t(val);
669 return 0;
672 static int
673 ax88179_ethtool_set_eee(struct usbnet *dev, struct ethtool_eee *data)
675 u16 tmp16 = ethtool_adv_to_mmd_eee_adv_t(data->advertised);
677 return ax88179_phy_write_mmd_indirect(dev, MDIO_AN_EEE_ADV,
678 MDIO_MMD_AN, tmp16);
681 static int ax88179_chk_eee(struct usbnet *dev)
683 struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET };
684 struct ax88179_data *priv = (struct ax88179_data *)dev->data;
686 mii_ethtool_gset(&dev->mii, &ecmd);
688 if (ecmd.duplex & DUPLEX_FULL) {
689 int eee_lp, eee_cap, eee_adv;
690 u32 lp, cap, adv, supported = 0;
692 eee_cap = ax88179_phy_read_mmd_indirect(dev,
693 MDIO_PCS_EEE_ABLE,
694 MDIO_MMD_PCS);
695 if (eee_cap < 0) {
696 priv->eee_active = 0;
697 return false;
700 cap = mmd_eee_cap_to_ethtool_sup_t(eee_cap);
701 if (!cap) {
702 priv->eee_active = 0;
703 return false;
706 eee_lp = ax88179_phy_read_mmd_indirect(dev,
707 MDIO_AN_EEE_LPABLE,
708 MDIO_MMD_AN);
709 if (eee_lp < 0) {
710 priv->eee_active = 0;
711 return false;
714 eee_adv = ax88179_phy_read_mmd_indirect(dev,
715 MDIO_AN_EEE_ADV,
716 MDIO_MMD_AN);
718 if (eee_adv < 0) {
719 priv->eee_active = 0;
720 return false;
723 adv = mmd_eee_adv_to_ethtool_adv_t(eee_adv);
724 lp = mmd_eee_adv_to_ethtool_adv_t(eee_lp);
725 supported = (ecmd.speed == SPEED_1000) ?
726 SUPPORTED_1000baseT_Full :
727 SUPPORTED_100baseT_Full;
729 if (!(lp & adv & supported)) {
730 priv->eee_active = 0;
731 return false;
734 priv->eee_active = 1;
735 return true;
738 priv->eee_active = 0;
739 return false;
742 static void ax88179_disable_eee(struct usbnet *dev)
744 u16 tmp16;
746 tmp16 = GMII_PHY_PGSEL_PAGE3;
747 ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
748 GMII_PHY_PAGE_SELECT, 2, &tmp16);
750 tmp16 = 0x3246;
751 ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
752 MII_PHYADDR, 2, &tmp16);
754 tmp16 = GMII_PHY_PGSEL_PAGE0;
755 ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
756 GMII_PHY_PAGE_SELECT, 2, &tmp16);
759 static void ax88179_enable_eee(struct usbnet *dev)
761 u16 tmp16;
763 tmp16 = GMII_PHY_PGSEL_PAGE3;
764 ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
765 GMII_PHY_PAGE_SELECT, 2, &tmp16);
767 tmp16 = 0x3247;
768 ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
769 MII_PHYADDR, 2, &tmp16);
771 tmp16 = GMII_PHY_PGSEL_PAGE5;
772 ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
773 GMII_PHY_PAGE_SELECT, 2, &tmp16);
775 tmp16 = 0x0680;
776 ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
777 MII_BMSR, 2, &tmp16);
779 tmp16 = GMII_PHY_PGSEL_PAGE0;
780 ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
781 GMII_PHY_PAGE_SELECT, 2, &tmp16);
784 static int ax88179_get_eee(struct net_device *net, struct ethtool_eee *edata)
786 struct usbnet *dev = netdev_priv(net);
787 struct ax88179_data *priv = (struct ax88179_data *)dev->data;
789 edata->eee_enabled = priv->eee_enabled;
790 edata->eee_active = priv->eee_active;
792 return ax88179_ethtool_get_eee(dev, edata);
795 static int ax88179_set_eee(struct net_device *net, struct ethtool_eee *edata)
797 struct usbnet *dev = netdev_priv(net);
798 struct ax88179_data *priv = (struct ax88179_data *)dev->data;
799 int ret = -EOPNOTSUPP;
801 priv->eee_enabled = edata->eee_enabled;
802 if (!priv->eee_enabled) {
803 ax88179_disable_eee(dev);
804 } else {
805 priv->eee_enabled = ax88179_chk_eee(dev);
806 if (!priv->eee_enabled)
807 return -EOPNOTSUPP;
809 ax88179_enable_eee(dev);
812 ret = ax88179_ethtool_set_eee(dev, edata);
813 if (ret)
814 return ret;
816 mii_nway_restart(&dev->mii);
818 usbnet_link_change(dev, 0, 0);
820 return ret;
823 static int ax88179_ioctl(struct net_device *net, struct ifreq *rq, int cmd)
825 struct usbnet *dev = netdev_priv(net);
826 return generic_mii_ioctl(&dev->mii, if_mii(rq), cmd, NULL);
829 static const struct ethtool_ops ax88179_ethtool_ops = {
830 .get_link = ethtool_op_get_link,
831 .get_msglevel = usbnet_get_msglevel,
832 .set_msglevel = usbnet_set_msglevel,
833 .get_wol = ax88179_get_wol,
834 .set_wol = ax88179_set_wol,
835 .get_eeprom_len = ax88179_get_eeprom_len,
836 .get_eeprom = ax88179_get_eeprom,
837 .get_eee = ax88179_get_eee,
838 .set_eee = ax88179_set_eee,
839 .nway_reset = usbnet_nway_reset,
840 .get_link_ksettings = ax88179_get_link_ksettings,
841 .set_link_ksettings = ax88179_set_link_ksettings,
844 static void ax88179_set_multicast(struct net_device *net)
846 struct usbnet *dev = netdev_priv(net);
847 struct ax88179_data *data = (struct ax88179_data *)dev->data;
848 u8 *m_filter = ((u8 *)dev->data) + 12;
850 data->rxctl = (AX_RX_CTL_START | AX_RX_CTL_AB | AX_RX_CTL_IPE);
852 if (net->flags & IFF_PROMISC) {
853 data->rxctl |= AX_RX_CTL_PRO;
854 } else if (net->flags & IFF_ALLMULTI ||
855 netdev_mc_count(net) > AX_MAX_MCAST) {
856 data->rxctl |= AX_RX_CTL_AMALL;
857 } else if (netdev_mc_empty(net)) {
858 /* just broadcast and directed */
859 } else {
860 /* We use the 20 byte dev->data for our 8 byte filter buffer
861 * to avoid allocating memory that is tricky to free later
863 u32 crc_bits;
864 struct netdev_hw_addr *ha;
866 memset(m_filter, 0, AX_MCAST_FLTSIZE);
868 netdev_for_each_mc_addr(ha, net) {
869 crc_bits = ether_crc(ETH_ALEN, ha->addr) >> 26;
870 *(m_filter + (crc_bits >> 3)) |= (1 << (crc_bits & 7));
873 ax88179_write_cmd_async(dev, AX_ACCESS_MAC, AX_MULFLTARY,
874 AX_MCAST_FLTSIZE, AX_MCAST_FLTSIZE,
875 m_filter);
877 data->rxctl |= AX_RX_CTL_AM;
880 ax88179_write_cmd_async(dev, AX_ACCESS_MAC, AX_RX_CTL,
881 2, 2, &data->rxctl);
884 static int
885 ax88179_set_features(struct net_device *net, netdev_features_t features)
887 u8 tmp;
888 struct usbnet *dev = netdev_priv(net);
889 netdev_features_t changed = net->features ^ features;
891 if (changed & NETIF_F_IP_CSUM) {
892 ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_TXCOE_CTL, 1, 1, &tmp);
893 tmp ^= AX_TXCOE_TCP | AX_TXCOE_UDP;
894 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_TXCOE_CTL, 1, 1, &tmp);
897 if (changed & NETIF_F_IPV6_CSUM) {
898 ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_TXCOE_CTL, 1, 1, &tmp);
899 tmp ^= AX_TXCOE_TCPV6 | AX_TXCOE_UDPV6;
900 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_TXCOE_CTL, 1, 1, &tmp);
903 if (changed & NETIF_F_RXCSUM) {
904 ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_RXCOE_CTL, 1, 1, &tmp);
905 tmp ^= AX_RXCOE_IP | AX_RXCOE_TCP | AX_RXCOE_UDP |
906 AX_RXCOE_TCPV6 | AX_RXCOE_UDPV6;
907 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RXCOE_CTL, 1, 1, &tmp);
910 return 0;
913 static int ax88179_change_mtu(struct net_device *net, int new_mtu)
915 struct usbnet *dev = netdev_priv(net);
916 u16 tmp16;
918 net->mtu = new_mtu;
919 dev->hard_mtu = net->mtu + net->hard_header_len;
921 if (net->mtu > 1500) {
922 ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
923 2, 2, &tmp16);
924 tmp16 |= AX_MEDIUM_JUMBO_EN;
925 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
926 2, 2, &tmp16);
927 } else {
928 ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
929 2, 2, &tmp16);
930 tmp16 &= ~AX_MEDIUM_JUMBO_EN;
931 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
932 2, 2, &tmp16);
935 /* max qlen depend on hard_mtu and rx_urb_size */
936 usbnet_update_max_qlen(dev);
938 return 0;
941 static int ax88179_set_mac_addr(struct net_device *net, void *p)
943 struct usbnet *dev = netdev_priv(net);
944 struct sockaddr *addr = p;
945 int ret;
947 if (netif_running(net))
948 return -EBUSY;
949 if (!is_valid_ether_addr(addr->sa_data))
950 return -EADDRNOTAVAIL;
952 memcpy(net->dev_addr, addr->sa_data, ETH_ALEN);
954 /* Set the MAC address */
955 ret = ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_NODE_ID, ETH_ALEN,
956 ETH_ALEN, net->dev_addr);
957 if (ret < 0)
958 return ret;
960 return 0;
963 static const struct net_device_ops ax88179_netdev_ops = {
964 .ndo_open = usbnet_open,
965 .ndo_stop = usbnet_stop,
966 .ndo_start_xmit = usbnet_start_xmit,
967 .ndo_tx_timeout = usbnet_tx_timeout,
968 .ndo_get_stats64 = usbnet_get_stats64,
969 .ndo_change_mtu = ax88179_change_mtu,
970 .ndo_set_mac_address = ax88179_set_mac_addr,
971 .ndo_validate_addr = eth_validate_addr,
972 .ndo_do_ioctl = ax88179_ioctl,
973 .ndo_set_rx_mode = ax88179_set_multicast,
974 .ndo_set_features = ax88179_set_features,
977 static int ax88179_check_eeprom(struct usbnet *dev)
979 u8 i, buf, eeprom[20];
980 u16 csum, delay = HZ / 10;
981 unsigned long jtimeout;
983 /* Read EEPROM content */
984 for (i = 0; i < 6; i++) {
985 buf = i;
986 if (ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_SROM_ADDR,
987 1, 1, &buf) < 0)
988 return -EINVAL;
990 buf = EEP_RD;
991 if (ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_SROM_CMD,
992 1, 1, &buf) < 0)
993 return -EINVAL;
995 jtimeout = jiffies + delay;
996 do {
997 ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_SROM_CMD,
998 1, 1, &buf);
1000 if (time_after(jiffies, jtimeout))
1001 return -EINVAL;
1003 } while (buf & EEP_BUSY);
1005 __ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_SROM_DATA_LOW,
1006 2, 2, &eeprom[i * 2], 0);
1008 if ((i == 0) && (eeprom[0] == 0xFF))
1009 return -EINVAL;
1012 csum = eeprom[6] + eeprom[7] + eeprom[8] + eeprom[9];
1013 csum = (csum >> 8) + (csum & 0xff);
1014 if ((csum + eeprom[10]) != 0xff)
1015 return -EINVAL;
1017 return 0;
1020 static int ax88179_check_efuse(struct usbnet *dev, u16 *ledmode)
1022 u8 i;
1023 u8 efuse[64];
1024 u16 csum = 0;
1026 if (ax88179_read_cmd(dev, AX_ACCESS_EFUS, 0, 64, 64, efuse) < 0)
1027 return -EINVAL;
1029 if (*efuse == 0xFF)
1030 return -EINVAL;
1032 for (i = 0; i < 64; i++)
1033 csum = csum + efuse[i];
1035 while (csum > 255)
1036 csum = (csum & 0x00FF) + ((csum >> 8) & 0x00FF);
1038 if (csum != 0xFF)
1039 return -EINVAL;
1041 *ledmode = (efuse[51] << 8) | efuse[52];
1043 return 0;
1046 static int ax88179_convert_old_led(struct usbnet *dev, u16 *ledvalue)
1048 u16 led;
1050 /* Loaded the old eFuse LED Mode */
1051 if (ax88179_read_cmd(dev, AX_ACCESS_EEPROM, 0x3C, 1, 2, &led) < 0)
1052 return -EINVAL;
1054 led >>= 8;
1055 switch (led) {
1056 case 0xFF:
1057 led = LED0_ACTIVE | LED1_LINK_10 | LED1_LINK_100 |
1058 LED1_LINK_1000 | LED2_ACTIVE | LED2_LINK_10 |
1059 LED2_LINK_100 | LED2_LINK_1000 | LED_VALID;
1060 break;
1061 case 0xFE:
1062 led = LED0_ACTIVE | LED1_LINK_1000 | LED2_LINK_100 | LED_VALID;
1063 break;
1064 case 0xFD:
1065 led = LED0_ACTIVE | LED1_LINK_1000 | LED2_LINK_100 |
1066 LED2_LINK_10 | LED_VALID;
1067 break;
1068 case 0xFC:
1069 led = LED0_ACTIVE | LED1_ACTIVE | LED1_LINK_1000 | LED2_ACTIVE |
1070 LED2_LINK_100 | LED2_LINK_10 | LED_VALID;
1071 break;
1072 default:
1073 led = LED0_ACTIVE | LED1_LINK_10 | LED1_LINK_100 |
1074 LED1_LINK_1000 | LED2_ACTIVE | LED2_LINK_10 |
1075 LED2_LINK_100 | LED2_LINK_1000 | LED_VALID;
1076 break;
1079 *ledvalue = led;
1081 return 0;
1084 static int ax88179_led_setting(struct usbnet *dev)
1086 u8 ledfd, value = 0;
1087 u16 tmp, ledact, ledlink, ledvalue = 0, delay = HZ / 10;
1088 unsigned long jtimeout;
1090 /* Check AX88179 version. UA1 or UA2*/
1091 ax88179_read_cmd(dev, AX_ACCESS_MAC, GENERAL_STATUS, 1, 1, &value);
1093 if (!(value & AX_SECLD)) { /* UA1 */
1094 value = AX_GPIO_CTRL_GPIO3EN | AX_GPIO_CTRL_GPIO2EN |
1095 AX_GPIO_CTRL_GPIO1EN;
1096 if (ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_GPIO_CTRL,
1097 1, 1, &value) < 0)
1098 return -EINVAL;
1101 /* Check EEPROM */
1102 if (!ax88179_check_eeprom(dev)) {
1103 value = 0x42;
1104 if (ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_SROM_ADDR,
1105 1, 1, &value) < 0)
1106 return -EINVAL;
1108 value = EEP_RD;
1109 if (ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_SROM_CMD,
1110 1, 1, &value) < 0)
1111 return -EINVAL;
1113 jtimeout = jiffies + delay;
1114 do {
1115 ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_SROM_CMD,
1116 1, 1, &value);
1118 if (time_after(jiffies, jtimeout))
1119 return -EINVAL;
1121 } while (value & EEP_BUSY);
1123 ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_SROM_DATA_HIGH,
1124 1, 1, &value);
1125 ledvalue = (value << 8);
1127 ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_SROM_DATA_LOW,
1128 1, 1, &value);
1129 ledvalue |= value;
1131 /* load internal ROM for defaule setting */
1132 if ((ledvalue == 0xFFFF) || ((ledvalue & LED_VALID) == 0))
1133 ax88179_convert_old_led(dev, &ledvalue);
1135 } else if (!ax88179_check_efuse(dev, &ledvalue)) {
1136 if ((ledvalue == 0xFFFF) || ((ledvalue & LED_VALID) == 0))
1137 ax88179_convert_old_led(dev, &ledvalue);
1138 } else {
1139 ax88179_convert_old_led(dev, &ledvalue);
1142 tmp = GMII_PHY_PGSEL_EXT;
1143 ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1144 GMII_PHY_PAGE_SELECT, 2, &tmp);
1146 tmp = 0x2c;
1147 ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1148 GMII_PHYPAGE, 2, &tmp);
1150 ax88179_read_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1151 GMII_LED_ACT, 2, &ledact);
1153 ax88179_read_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1154 GMII_LED_LINK, 2, &ledlink);
1156 ledact &= GMII_LED_ACTIVE_MASK;
1157 ledlink &= GMII_LED_LINK_MASK;
1159 if (ledvalue & LED0_ACTIVE)
1160 ledact |= GMII_LED0_ACTIVE;
1162 if (ledvalue & LED1_ACTIVE)
1163 ledact |= GMII_LED1_ACTIVE;
1165 if (ledvalue & LED2_ACTIVE)
1166 ledact |= GMII_LED2_ACTIVE;
1168 if (ledvalue & LED0_LINK_10)
1169 ledlink |= GMII_LED0_LINK_10;
1171 if (ledvalue & LED1_LINK_10)
1172 ledlink |= GMII_LED1_LINK_10;
1174 if (ledvalue & LED2_LINK_10)
1175 ledlink |= GMII_LED2_LINK_10;
1177 if (ledvalue & LED0_LINK_100)
1178 ledlink |= GMII_LED0_LINK_100;
1180 if (ledvalue & LED1_LINK_100)
1181 ledlink |= GMII_LED1_LINK_100;
1183 if (ledvalue & LED2_LINK_100)
1184 ledlink |= GMII_LED2_LINK_100;
1186 if (ledvalue & LED0_LINK_1000)
1187 ledlink |= GMII_LED0_LINK_1000;
1189 if (ledvalue & LED1_LINK_1000)
1190 ledlink |= GMII_LED1_LINK_1000;
1192 if (ledvalue & LED2_LINK_1000)
1193 ledlink |= GMII_LED2_LINK_1000;
1195 tmp = ledact;
1196 ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1197 GMII_LED_ACT, 2, &tmp);
1199 tmp = ledlink;
1200 ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1201 GMII_LED_LINK, 2, &tmp);
1203 tmp = GMII_PHY_PGSEL_PAGE0;
1204 ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1205 GMII_PHY_PAGE_SELECT, 2, &tmp);
1207 /* LED full duplex setting */
1208 ledfd = 0;
1209 if (ledvalue & LED0_FD)
1210 ledfd |= 0x01;
1211 else if ((ledvalue & LED0_USB3_MASK) == 0)
1212 ledfd |= 0x02;
1214 if (ledvalue & LED1_FD)
1215 ledfd |= 0x04;
1216 else if ((ledvalue & LED1_USB3_MASK) == 0)
1217 ledfd |= 0x08;
1219 if (ledvalue & LED2_FD)
1220 ledfd |= 0x10;
1221 else if ((ledvalue & LED2_USB3_MASK) == 0)
1222 ledfd |= 0x20;
1224 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_LEDCTRL, 1, 1, &ledfd);
1226 return 0;
1229 static int ax88179_bind(struct usbnet *dev, struct usb_interface *intf)
1231 u8 buf[5];
1232 u16 *tmp16;
1233 u8 *tmp;
1234 struct ax88179_data *ax179_data = (struct ax88179_data *)dev->data;
1235 struct ethtool_eee eee_data;
1237 usbnet_get_endpoints(dev, intf);
1239 tmp16 = (u16 *)buf;
1240 tmp = (u8 *)buf;
1242 memset(ax179_data, 0, sizeof(*ax179_data));
1244 /* Power up ethernet PHY */
1245 *tmp16 = 0;
1246 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, tmp16);
1247 *tmp16 = AX_PHYPWR_RSTCTL_IPRL;
1248 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, tmp16);
1249 msleep(200);
1251 *tmp = AX_CLK_SELECT_ACS | AX_CLK_SELECT_BCS;
1252 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, tmp);
1253 msleep(100);
1255 ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_NODE_ID, ETH_ALEN,
1256 ETH_ALEN, dev->net->dev_addr);
1257 memcpy(dev->net->perm_addr, dev->net->dev_addr, ETH_ALEN);
1259 /* RX bulk configuration */
1260 memcpy(tmp, &AX88179_BULKIN_SIZE[0], 5);
1261 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_BULKIN_QCTRL, 5, 5, tmp);
1263 dev->rx_urb_size = 1024 * 20;
1265 *tmp = 0x34;
1266 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PAUSE_WATERLVL_LOW, 1, 1, tmp);
1268 *tmp = 0x52;
1269 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PAUSE_WATERLVL_HIGH,
1270 1, 1, tmp);
1272 dev->net->netdev_ops = &ax88179_netdev_ops;
1273 dev->net->ethtool_ops = &ax88179_ethtool_ops;
1274 dev->net->needed_headroom = 8;
1275 dev->net->max_mtu = 4088;
1277 /* Initialize MII structure */
1278 dev->mii.dev = dev->net;
1279 dev->mii.mdio_read = ax88179_mdio_read;
1280 dev->mii.mdio_write = ax88179_mdio_write;
1281 dev->mii.phy_id_mask = 0xff;
1282 dev->mii.reg_num_mask = 0xff;
1283 dev->mii.phy_id = 0x03;
1284 dev->mii.supports_gmii = 1;
1286 dev->net->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
1287 NETIF_F_RXCSUM;
1289 dev->net->hw_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
1290 NETIF_F_RXCSUM;
1292 /* Enable checksum offload */
1293 *tmp = AX_RXCOE_IP | AX_RXCOE_TCP | AX_RXCOE_UDP |
1294 AX_RXCOE_TCPV6 | AX_RXCOE_UDPV6;
1295 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RXCOE_CTL, 1, 1, tmp);
1297 *tmp = AX_TXCOE_IP | AX_TXCOE_TCP | AX_TXCOE_UDP |
1298 AX_TXCOE_TCPV6 | AX_TXCOE_UDPV6;
1299 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_TXCOE_CTL, 1, 1, tmp);
1301 /* Configure RX control register => start operation */
1302 *tmp16 = AX_RX_CTL_DROPCRCERR | AX_RX_CTL_IPE | AX_RX_CTL_START |
1303 AX_RX_CTL_AP | AX_RX_CTL_AMALL | AX_RX_CTL_AB;
1304 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2, tmp16);
1306 *tmp = AX_MONITOR_MODE_PMETYPE | AX_MONITOR_MODE_PMEPOL |
1307 AX_MONITOR_MODE_RWMP;
1308 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MONITOR_MOD, 1, 1, tmp);
1310 /* Configure default medium type => giga */
1311 *tmp16 = AX_MEDIUM_RECEIVE_EN | AX_MEDIUM_TXFLOW_CTRLEN |
1312 AX_MEDIUM_RXFLOW_CTRLEN | AX_MEDIUM_FULL_DUPLEX |
1313 AX_MEDIUM_GIGAMODE;
1314 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
1315 2, 2, tmp16);
1317 ax88179_led_setting(dev);
1319 ax179_data->eee_enabled = 0;
1320 ax179_data->eee_active = 0;
1322 ax88179_disable_eee(dev);
1324 ax88179_ethtool_get_eee(dev, &eee_data);
1325 eee_data.advertised = 0;
1326 ax88179_ethtool_set_eee(dev, &eee_data);
1328 /* Restart autoneg */
1329 mii_nway_restart(&dev->mii);
1331 usbnet_link_change(dev, 0, 0);
1333 return 0;
1336 static void ax88179_unbind(struct usbnet *dev, struct usb_interface *intf)
1338 u16 tmp16;
1340 /* Configure RX control register => stop operation */
1341 tmp16 = AX_RX_CTL_STOP;
1342 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2, &tmp16);
1344 tmp16 = 0;
1345 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, &tmp16);
1347 /* Power down ethernet PHY */
1348 tmp16 = 0;
1349 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, &tmp16);
1352 static void
1353 ax88179_rx_checksum(struct sk_buff *skb, u32 *pkt_hdr)
1355 skb->ip_summed = CHECKSUM_NONE;
1357 /* checksum error bit is set */
1358 if ((*pkt_hdr & AX_RXHDR_L3CSUM_ERR) ||
1359 (*pkt_hdr & AX_RXHDR_L4CSUM_ERR))
1360 return;
1362 /* It must be a TCP or UDP packet with a valid checksum */
1363 if (((*pkt_hdr & AX_RXHDR_L4_TYPE_MASK) == AX_RXHDR_L4_TYPE_TCP) ||
1364 ((*pkt_hdr & AX_RXHDR_L4_TYPE_MASK) == AX_RXHDR_L4_TYPE_UDP))
1365 skb->ip_summed = CHECKSUM_UNNECESSARY;
1368 static int ax88179_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
1370 struct sk_buff *ax_skb;
1371 int pkt_cnt;
1372 u32 rx_hdr;
1373 u16 hdr_off;
1374 u32 *pkt_hdr;
1376 /* This check is no longer done by usbnet */
1377 if (skb->len < dev->net->hard_header_len)
1378 return 0;
1380 skb_trim(skb, skb->len - 4);
1381 memcpy(&rx_hdr, skb_tail_pointer(skb), 4);
1382 le32_to_cpus(&rx_hdr);
1384 pkt_cnt = (u16)rx_hdr;
1385 hdr_off = (u16)(rx_hdr >> 16);
1386 pkt_hdr = (u32 *)(skb->data + hdr_off);
1388 while (pkt_cnt--) {
1389 u16 pkt_len;
1391 le32_to_cpus(pkt_hdr);
1392 pkt_len = (*pkt_hdr >> 16) & 0x1fff;
1394 /* Check CRC or runt packet */
1395 if ((*pkt_hdr & AX_RXHDR_CRC_ERR) ||
1396 (*pkt_hdr & AX_RXHDR_DROP_ERR)) {
1397 skb_pull(skb, (pkt_len + 7) & 0xFFF8);
1398 pkt_hdr++;
1399 continue;
1402 if (pkt_cnt == 0) {
1403 /* Skip IP alignment psudo header */
1404 skb_pull(skb, 2);
1405 skb->len = pkt_len;
1406 skb_set_tail_pointer(skb, pkt_len);
1407 skb->truesize = pkt_len + sizeof(struct sk_buff);
1408 ax88179_rx_checksum(skb, pkt_hdr);
1409 return 1;
1412 ax_skb = skb_clone(skb, GFP_ATOMIC);
1413 if (ax_skb) {
1414 ax_skb->len = pkt_len;
1415 ax_skb->data = skb->data + 2;
1416 skb_set_tail_pointer(ax_skb, pkt_len);
1417 ax_skb->truesize = pkt_len + sizeof(struct sk_buff);
1418 ax88179_rx_checksum(ax_skb, pkt_hdr);
1419 usbnet_skb_return(dev, ax_skb);
1420 } else {
1421 return 0;
1424 skb_pull(skb, (pkt_len + 7) & 0xFFF8);
1425 pkt_hdr++;
1427 return 1;
1430 static struct sk_buff *
1431 ax88179_tx_fixup(struct usbnet *dev, struct sk_buff *skb, gfp_t flags)
1433 u32 tx_hdr1, tx_hdr2;
1434 int frame_size = dev->maxpacket;
1435 int mss = skb_shinfo(skb)->gso_size;
1436 int headroom;
1438 tx_hdr1 = skb->len;
1439 tx_hdr2 = mss;
1440 if (((skb->len + 8) % frame_size) == 0)
1441 tx_hdr2 |= 0x80008000; /* Enable padding */
1443 headroom = skb_headroom(skb) - 8;
1445 if ((skb_header_cloned(skb) || headroom < 0) &&
1446 pskb_expand_head(skb, headroom < 0 ? 8 : 0, 0, GFP_ATOMIC)) {
1447 dev_kfree_skb_any(skb);
1448 return NULL;
1451 skb_push(skb, 4);
1452 cpu_to_le32s(&tx_hdr2);
1453 skb_copy_to_linear_data(skb, &tx_hdr2, 4);
1455 skb_push(skb, 4);
1456 cpu_to_le32s(&tx_hdr1);
1457 skb_copy_to_linear_data(skb, &tx_hdr1, 4);
1459 return skb;
1462 static int ax88179_link_reset(struct usbnet *dev)
1464 struct ax88179_data *ax179_data = (struct ax88179_data *)dev->data;
1465 u8 tmp[5], link_sts;
1466 u16 mode, tmp16, delay = HZ / 10;
1467 u32 tmp32 = 0x40000000;
1468 unsigned long jtimeout;
1470 jtimeout = jiffies + delay;
1471 while (tmp32 & 0x40000000) {
1472 mode = 0;
1473 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2, &mode);
1474 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2,
1475 &ax179_data->rxctl);
1477 /*link up, check the usb device control TX FIFO full or empty*/
1478 ax88179_read_cmd(dev, 0x81, 0x8c, 0, 4, &tmp32);
1480 if (time_after(jiffies, jtimeout))
1481 return 0;
1484 mode = AX_MEDIUM_RECEIVE_EN | AX_MEDIUM_TXFLOW_CTRLEN |
1485 AX_MEDIUM_RXFLOW_CTRLEN;
1487 ax88179_read_cmd(dev, AX_ACCESS_MAC, PHYSICAL_LINK_STATUS,
1488 1, 1, &link_sts);
1490 ax88179_read_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1491 GMII_PHY_PHYSR, 2, &tmp16);
1493 if (!(tmp16 & GMII_PHY_PHYSR_LINK)) {
1494 return 0;
1495 } else if (GMII_PHY_PHYSR_GIGA == (tmp16 & GMII_PHY_PHYSR_SMASK)) {
1496 mode |= AX_MEDIUM_GIGAMODE | AX_MEDIUM_EN_125MHZ;
1497 if (dev->net->mtu > 1500)
1498 mode |= AX_MEDIUM_JUMBO_EN;
1500 if (link_sts & AX_USB_SS)
1501 memcpy(tmp, &AX88179_BULKIN_SIZE[0], 5);
1502 else if (link_sts & AX_USB_HS)
1503 memcpy(tmp, &AX88179_BULKIN_SIZE[1], 5);
1504 else
1505 memcpy(tmp, &AX88179_BULKIN_SIZE[3], 5);
1506 } else if (GMII_PHY_PHYSR_100 == (tmp16 & GMII_PHY_PHYSR_SMASK)) {
1507 mode |= AX_MEDIUM_PS;
1509 if (link_sts & (AX_USB_SS | AX_USB_HS))
1510 memcpy(tmp, &AX88179_BULKIN_SIZE[2], 5);
1511 else
1512 memcpy(tmp, &AX88179_BULKIN_SIZE[3], 5);
1513 } else {
1514 memcpy(tmp, &AX88179_BULKIN_SIZE[3], 5);
1517 /* RX bulk configuration */
1518 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_BULKIN_QCTRL, 5, 5, tmp);
1520 dev->rx_urb_size = (1024 * (tmp[3] + 2));
1522 if (tmp16 & GMII_PHY_PHYSR_FULL)
1523 mode |= AX_MEDIUM_FULL_DUPLEX;
1524 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
1525 2, 2, &mode);
1527 ax179_data->eee_enabled = ax88179_chk_eee(dev);
1529 netif_carrier_on(dev->net);
1531 return 0;
1534 static int ax88179_reset(struct usbnet *dev)
1536 u8 buf[5];
1537 u16 *tmp16;
1538 u8 *tmp;
1539 struct ax88179_data *ax179_data = (struct ax88179_data *)dev->data;
1540 struct ethtool_eee eee_data;
1542 tmp16 = (u16 *)buf;
1543 tmp = (u8 *)buf;
1545 /* Power up ethernet PHY */
1546 *tmp16 = 0;
1547 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, tmp16);
1549 *tmp16 = AX_PHYPWR_RSTCTL_IPRL;
1550 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, tmp16);
1551 msleep(200);
1553 *tmp = AX_CLK_SELECT_ACS | AX_CLK_SELECT_BCS;
1554 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, tmp);
1555 msleep(100);
1557 /* Ethernet PHY Auto Detach*/
1558 ax88179_auto_detach(dev, 0);
1560 ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_NODE_ID, ETH_ALEN, ETH_ALEN,
1561 dev->net->dev_addr);
1563 /* RX bulk configuration */
1564 memcpy(tmp, &AX88179_BULKIN_SIZE[0], 5);
1565 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_BULKIN_QCTRL, 5, 5, tmp);
1567 dev->rx_urb_size = 1024 * 20;
1569 *tmp = 0x34;
1570 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PAUSE_WATERLVL_LOW, 1, 1, tmp);
1572 *tmp = 0x52;
1573 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PAUSE_WATERLVL_HIGH,
1574 1, 1, tmp);
1576 dev->net->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
1577 NETIF_F_RXCSUM;
1579 dev->net->hw_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
1580 NETIF_F_RXCSUM;
1582 /* Enable checksum offload */
1583 *tmp = AX_RXCOE_IP | AX_RXCOE_TCP | AX_RXCOE_UDP |
1584 AX_RXCOE_TCPV6 | AX_RXCOE_UDPV6;
1585 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RXCOE_CTL, 1, 1, tmp);
1587 *tmp = AX_TXCOE_IP | AX_TXCOE_TCP | AX_TXCOE_UDP |
1588 AX_TXCOE_TCPV6 | AX_TXCOE_UDPV6;
1589 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_TXCOE_CTL, 1, 1, tmp);
1591 /* Configure RX control register => start operation */
1592 *tmp16 = AX_RX_CTL_DROPCRCERR | AX_RX_CTL_IPE | AX_RX_CTL_START |
1593 AX_RX_CTL_AP | AX_RX_CTL_AMALL | AX_RX_CTL_AB;
1594 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2, tmp16);
1596 *tmp = AX_MONITOR_MODE_PMETYPE | AX_MONITOR_MODE_PMEPOL |
1597 AX_MONITOR_MODE_RWMP;
1598 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MONITOR_MOD, 1, 1, tmp);
1600 /* Configure default medium type => giga */
1601 *tmp16 = AX_MEDIUM_RECEIVE_EN | AX_MEDIUM_TXFLOW_CTRLEN |
1602 AX_MEDIUM_RXFLOW_CTRLEN | AX_MEDIUM_FULL_DUPLEX |
1603 AX_MEDIUM_GIGAMODE;
1604 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
1605 2, 2, tmp16);
1607 ax88179_led_setting(dev);
1609 ax179_data->eee_enabled = 0;
1610 ax179_data->eee_active = 0;
1612 ax88179_disable_eee(dev);
1614 ax88179_ethtool_get_eee(dev, &eee_data);
1615 eee_data.advertised = 0;
1616 ax88179_ethtool_set_eee(dev, &eee_data);
1618 /* Restart autoneg */
1619 mii_nway_restart(&dev->mii);
1621 usbnet_link_change(dev, 0, 0);
1623 return 0;
1626 static int ax88179_stop(struct usbnet *dev)
1628 u16 tmp16;
1630 ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
1631 2, 2, &tmp16);
1632 tmp16 &= ~AX_MEDIUM_RECEIVE_EN;
1633 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
1634 2, 2, &tmp16);
1636 return 0;
1639 static const struct driver_info ax88179_info = {
1640 .description = "ASIX AX88179 USB 3.0 Gigabit Ethernet",
1641 .bind = ax88179_bind,
1642 .unbind = ax88179_unbind,
1643 .status = ax88179_status,
1644 .link_reset = ax88179_link_reset,
1645 .reset = ax88179_reset,
1646 .stop = ax88179_stop,
1647 .flags = FLAG_ETHER | FLAG_FRAMING_AX,
1648 .rx_fixup = ax88179_rx_fixup,
1649 .tx_fixup = ax88179_tx_fixup,
1652 static const struct driver_info ax88178a_info = {
1653 .description = "ASIX AX88178A USB 2.0 Gigabit Ethernet",
1654 .bind = ax88179_bind,
1655 .unbind = ax88179_unbind,
1656 .status = ax88179_status,
1657 .link_reset = ax88179_link_reset,
1658 .reset = ax88179_reset,
1659 .stop = ax88179_stop,
1660 .flags = FLAG_ETHER | FLAG_FRAMING_AX,
1661 .rx_fixup = ax88179_rx_fixup,
1662 .tx_fixup = ax88179_tx_fixup,
1665 static const struct driver_info cypress_GX3_info = {
1666 .description = "Cypress GX3 SuperSpeed to Gigabit Ethernet Controller",
1667 .bind = ax88179_bind,
1668 .unbind = ax88179_unbind,
1669 .status = ax88179_status,
1670 .link_reset = ax88179_link_reset,
1671 .reset = ax88179_reset,
1672 .stop = ax88179_stop,
1673 .flags = FLAG_ETHER | FLAG_FRAMING_AX,
1674 .rx_fixup = ax88179_rx_fixup,
1675 .tx_fixup = ax88179_tx_fixup,
1678 static const struct driver_info dlink_dub1312_info = {
1679 .description = "D-Link DUB-1312 USB 3.0 to Gigabit Ethernet Adapter",
1680 .bind = ax88179_bind,
1681 .unbind = ax88179_unbind,
1682 .status = ax88179_status,
1683 .link_reset = ax88179_link_reset,
1684 .reset = ax88179_reset,
1685 .stop = ax88179_stop,
1686 .flags = FLAG_ETHER | FLAG_FRAMING_AX,
1687 .rx_fixup = ax88179_rx_fixup,
1688 .tx_fixup = ax88179_tx_fixup,
1691 static const struct driver_info sitecom_info = {
1692 .description = "Sitecom USB 3.0 to Gigabit Adapter",
1693 .bind = ax88179_bind,
1694 .unbind = ax88179_unbind,
1695 .status = ax88179_status,
1696 .link_reset = ax88179_link_reset,
1697 .reset = ax88179_reset,
1698 .stop = ax88179_stop,
1699 .flags = FLAG_ETHER | FLAG_FRAMING_AX,
1700 .rx_fixup = ax88179_rx_fixup,
1701 .tx_fixup = ax88179_tx_fixup,
1704 static const struct driver_info samsung_info = {
1705 .description = "Samsung USB Ethernet Adapter",
1706 .bind = ax88179_bind,
1707 .unbind = ax88179_unbind,
1708 .status = ax88179_status,
1709 .link_reset = ax88179_link_reset,
1710 .reset = ax88179_reset,
1711 .stop = ax88179_stop,
1712 .flags = FLAG_ETHER | FLAG_FRAMING_AX,
1713 .rx_fixup = ax88179_rx_fixup,
1714 .tx_fixup = ax88179_tx_fixup,
1717 static const struct driver_info lenovo_info = {
1718 .description = "Lenovo OneLinkDock Gigabit LAN",
1719 .bind = ax88179_bind,
1720 .unbind = ax88179_unbind,
1721 .status = ax88179_status,
1722 .link_reset = ax88179_link_reset,
1723 .reset = ax88179_reset,
1724 .stop = ax88179_stop,
1725 .flags = FLAG_ETHER | FLAG_FRAMING_AX,
1726 .rx_fixup = ax88179_rx_fixup,
1727 .tx_fixup = ax88179_tx_fixup,
1730 static const struct driver_info belkin_info = {
1731 .description = "Belkin USB Ethernet Adapter",
1732 .bind = ax88179_bind,
1733 .unbind = ax88179_unbind,
1734 .status = ax88179_status,
1735 .link_reset = ax88179_link_reset,
1736 .reset = ax88179_reset,
1737 .flags = FLAG_ETHER | FLAG_FRAMING_AX,
1738 .rx_fixup = ax88179_rx_fixup,
1739 .tx_fixup = ax88179_tx_fixup,
1742 static const struct usb_device_id products[] = {
1744 /* ASIX AX88179 10/100/1000 */
1745 USB_DEVICE(0x0b95, 0x1790),
1746 .driver_info = (unsigned long)&ax88179_info,
1747 }, {
1748 /* ASIX AX88178A 10/100/1000 */
1749 USB_DEVICE(0x0b95, 0x178a),
1750 .driver_info = (unsigned long)&ax88178a_info,
1751 }, {
1752 /* Cypress GX3 SuperSpeed to Gigabit Ethernet Bridge Controller */
1753 USB_DEVICE(0x04b4, 0x3610),
1754 .driver_info = (unsigned long)&cypress_GX3_info,
1755 }, {
1756 /* D-Link DUB-1312 USB 3.0 to Gigabit Ethernet Adapter */
1757 USB_DEVICE(0x2001, 0x4a00),
1758 .driver_info = (unsigned long)&dlink_dub1312_info,
1759 }, {
1760 /* Sitecom USB 3.0 to Gigabit Adapter */
1761 USB_DEVICE(0x0df6, 0x0072),
1762 .driver_info = (unsigned long)&sitecom_info,
1763 }, {
1764 /* Samsung USB Ethernet Adapter */
1765 USB_DEVICE(0x04e8, 0xa100),
1766 .driver_info = (unsigned long)&samsung_info,
1767 }, {
1768 /* Lenovo OneLinkDock Gigabit LAN */
1769 USB_DEVICE(0x17ef, 0x304b),
1770 .driver_info = (unsigned long)&lenovo_info,
1771 }, {
1772 /* Belkin B2B128 USB 3.0 Hub + Gigabit Ethernet Adapter */
1773 USB_DEVICE(0x050d, 0x0128),
1774 .driver_info = (unsigned long)&belkin_info,
1776 { },
1778 MODULE_DEVICE_TABLE(usb, products);
1780 static struct usb_driver ax88179_178a_driver = {
1781 .name = "ax88179_178a",
1782 .id_table = products,
1783 .probe = usbnet_probe,
1784 .suspend = ax88179_suspend,
1785 .resume = ax88179_resume,
1786 .reset_resume = ax88179_resume,
1787 .disconnect = usbnet_disconnect,
1788 .supports_autosuspend = 1,
1789 .disable_hub_initiated_lpm = 1,
1792 module_usb_driver(ax88179_178a_driver);
1794 MODULE_DESCRIPTION("ASIX AX88179/178A based USB 3.0/2.0 Gigabit Ethernet Devices");
1795 MODULE_LICENSE("GPL");