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 */
57 #define AX_SROM_ADDR 0x07
58 #define AX_SROM_CMD 0x0a
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 {
185 struct ax88179_int_data {
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)
203 int (*fn)(struct usbnet *, u8, u8, u16, u16, void *, u16);
208 fn = usbnet_read_cmd;
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",
222 static int __ax88179_write_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
223 u16 size, void *data, int in_pm)
226 int (*fn)(struct usbnet *, u8, u8, u16, u16, const void *, u16);
231 fn = usbnet_write_cmd;
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",
245 static void ax88179_write_cmd_async(struct usbnet *dev, u8 cmd, u16 value,
246 u16 index, u16 size, void *data)
251 buf = *((u16 *)data);
253 usbnet_write_cmd_async(dev, cmd, USB_DIR_OUT | USB_TYPE_VENDOR |
254 USB_RECIP_DEVICE, value, index, &buf,
257 usbnet_write_cmd_async(dev, cmd, USB_DIR_OUT | USB_TYPE_VENDOR |
258 USB_RECIP_DEVICE, value, index, data,
263 static int ax88179_read_cmd_nopm(struct usbnet *dev, u8 cmd, u16 value,
264 u16 index, u16 size, void *data)
270 ret = __ax88179_read_cmd(dev, cmd, value, index, size, &buf, 1);
272 *((u16 *)data) = buf;
273 } else if (4 == size) {
275 ret = __ax88179_read_cmd(dev, cmd, value, index, size, &buf, 1);
277 *((u32 *)data) = buf;
279 ret = __ax88179_read_cmd(dev, cmd, value, index, size, data, 1);
285 static int ax88179_write_cmd_nopm(struct usbnet *dev, u8 cmd, u16 value,
286 u16 index, u16 size, void *data)
292 buf = *((u16 *)data);
294 ret = __ax88179_write_cmd(dev, cmd, value, index,
297 ret = __ax88179_write_cmd(dev, cmd, value, index,
304 static int ax88179_read_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
305 u16 size, void *data)
311 ret = __ax88179_read_cmd(dev, cmd, value, index, size, &buf, 0);
313 *((u16 *)data) = buf;
314 } else if (4 == size) {
316 ret = __ax88179_read_cmd(dev, cmd, value, index, size, &buf, 0);
318 *((u32 *)data) = buf;
320 ret = __ax88179_read_cmd(dev, cmd, value, index, size, data, 0);
326 static int ax88179_write_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
327 u16 size, void *data)
333 buf = *((u16 *)data);
335 ret = __ax88179_write_cmd(dev, cmd, value, index,
338 ret = __ax88179_write_cmd(dev, cmd, value, index,
345 static void ax88179_status(struct usbnet *dev, struct urb *urb)
347 struct ax88179_int_data *event;
350 if (urb->actual_length < 8)
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);
369 ax88179_read_cmd(dev, AX_ACCESS_PHY, phy_id, (__u16)loc, 2, &res);
373 static void ax88179_mdio_write(struct net_device *netdev, int phy_id, int loc,
376 struct usbnet *dev = netdev_priv(netdev);
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,
389 ret = ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
390 MII_MMD_CTRL, 2, &tmp16);
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);
404 ax88179_phy_read_mmd_indirect(struct usbnet *dev, u16 prtad, u16 devad)
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);
420 ax88179_phy_write_mmd_indirect(struct usbnet *dev, u16 prtad, u16 devad,
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);
436 static int ax88179_suspend(struct usb_interface *intf, pm_message_t message)
438 struct usbnet *dev = usb_get_intfdata(intf);
442 usbnet_suspend(intf, message);
444 /* Disable RX path */
445 ax88179_read_cmd_nopm(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
447 tmp16 &= ~AX_MEDIUM_RECEIVE_EN;
448 ax88179_write_cmd_nopm(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
451 /* Force bulk-in zero length */
452 ax88179_read_cmd_nopm(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL,
455 tmp16 |= AX_PHYPWR_RSTCTL_BZ | AX_PHYPWR_RSTCTL_IPRL;
456 ax88179_write_cmd_nopm(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL,
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);
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)
476 int (*fnr)(struct usbnet *, u8, u16, u16, u16, void *);
477 int (*fnw)(struct usbnet *, u8, u16, u16, u16, void *);
480 fnr = ax88179_read_cmd;
481 fnw = ax88179_write_cmd;
483 fnr = ax88179_read_cmd_nopm;
484 fnw = ax88179_write_cmd_nopm;
487 if (fnr(dev, AX_ACCESS_EEPROM, 0x43, 1, 2, &tmp16) < 0)
490 if ((tmp16 == 0xFFFF) || (!(tmp16 & 0x0100)))
493 /* Enable Auto Detach bit */
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);
506 static int ax88179_resume(struct usb_interface *intf)
508 struct usbnet *dev = usb_get_intfdata(intf);
512 usbnet_link_change(dev, 0, 0);
514 /* Power up ethernet PHY */
516 ax88179_write_cmd_nopm(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL,
520 tmp16 = AX_PHYPWR_RSTCTL_IPRL;
521 ax88179_write_cmd_nopm(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL,
525 /* Ethernet PHY Auto Detach*/
526 ax88179_auto_detach(dev, 1);
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);
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);
543 ax88179_get_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo)
545 struct usbnet *dev = netdev_priv(net);
548 if (ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_MONITOR_MOD,
550 wolinfo->supported = 0;
551 wolinfo->wolopts = 0;
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;
564 ax88179_set_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo)
566 struct usbnet *dev = netdev_priv(net);
569 if (wolinfo->wolopts & WAKE_PHY)
570 opt |= AX_MONITOR_MODE_RWLC;
571 if (wolinfo->wolopts & WAKE_MAGIC)
572 opt |= AX_MONITOR_MODE_RWMP;
574 if (ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MONITOR_MOD,
581 static int ax88179_get_eeprom_len(struct net_device *net)
583 return AX_EEPROM_LEN;
587 ax88179_get_eeprom(struct net_device *net, struct ethtool_eeprom *eeprom,
590 struct usbnet *dev = netdev_priv(net);
592 int first_word, last_word;
595 if (eeprom->len == 0)
598 eeprom->magic = AX88179_EEPROM_MAGIC;
600 first_word = eeprom->offset >> 1;
601 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
602 eeprom_buff = kmalloc(sizeof(u16) * (last_word - first_word + 1),
607 /* ax88179/178A returns 2 bytes from eeprom on read */
608 for (i = first_word; i <= last_word; i++) {
609 ret = __ax88179_read_cmd(dev, AX_ACCESS_EEPROM, i, 1, 2,
610 &eeprom_buff[i - first_word],
618 memcpy(data, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
623 static int ax88179_get_settings(struct net_device *net, struct ethtool_cmd *cmd)
625 struct usbnet *dev = netdev_priv(net);
626 return mii_ethtool_gset(&dev->mii, cmd);
629 static int ax88179_set_settings(struct net_device *net, struct ethtool_cmd *cmd)
631 struct usbnet *dev = netdev_priv(net);
632 return mii_ethtool_sset(&dev->mii, cmd);
636 ax88179_ethtool_get_eee(struct usbnet *dev, struct ethtool_eee *data)
640 /* Get Supported EEE */
641 val = ax88179_phy_read_mmd_indirect(dev, MDIO_PCS_EEE_ABLE,
645 data->supported = mmd_eee_cap_to_ethtool_sup_t(val);
647 /* Get advertisement EEE */
648 val = ax88179_phy_read_mmd_indirect(dev, MDIO_AN_EEE_ADV,
652 data->advertised = mmd_eee_adv_to_ethtool_adv_t(val);
654 /* Get LP advertisement EEE */
655 val = ax88179_phy_read_mmd_indirect(dev, MDIO_AN_EEE_LPABLE,
659 data->lp_advertised = mmd_eee_adv_to_ethtool_adv_t(val);
665 ax88179_ethtool_set_eee(struct usbnet *dev, struct ethtool_eee *data)
667 u16 tmp16 = ethtool_adv_to_mmd_eee_adv_t(data->advertised);
669 return ax88179_phy_write_mmd_indirect(dev, MDIO_AN_EEE_ADV,
673 static int ax88179_chk_eee(struct usbnet *dev)
675 struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET };
676 struct ax88179_data *priv = (struct ax88179_data *)dev->data;
678 mii_ethtool_gset(&dev->mii, &ecmd);
680 if (ecmd.duplex & DUPLEX_FULL) {
681 int eee_lp, eee_cap, eee_adv;
682 u32 lp, cap, adv, supported = 0;
684 eee_cap = ax88179_phy_read_mmd_indirect(dev,
688 priv->eee_active = 0;
692 cap = mmd_eee_cap_to_ethtool_sup_t(eee_cap);
694 priv->eee_active = 0;
698 eee_lp = ax88179_phy_read_mmd_indirect(dev,
702 priv->eee_active = 0;
706 eee_adv = ax88179_phy_read_mmd_indirect(dev,
711 priv->eee_active = 0;
715 adv = mmd_eee_adv_to_ethtool_adv_t(eee_adv);
716 lp = mmd_eee_adv_to_ethtool_adv_t(eee_lp);
717 supported = (ecmd.speed == SPEED_1000) ?
718 SUPPORTED_1000baseT_Full :
719 SUPPORTED_100baseT_Full;
721 if (!(lp & adv & supported)) {
722 priv->eee_active = 0;
726 priv->eee_active = 1;
730 priv->eee_active = 0;
734 static void ax88179_disable_eee(struct usbnet *dev)
738 tmp16 = GMII_PHY_PGSEL_PAGE3;
739 ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
740 GMII_PHY_PAGE_SELECT, 2, &tmp16);
743 ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
744 MII_PHYADDR, 2, &tmp16);
746 tmp16 = GMII_PHY_PGSEL_PAGE0;
747 ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
748 GMII_PHY_PAGE_SELECT, 2, &tmp16);
751 static void ax88179_enable_eee(struct usbnet *dev)
755 tmp16 = GMII_PHY_PGSEL_PAGE3;
756 ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
757 GMII_PHY_PAGE_SELECT, 2, &tmp16);
760 ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
761 MII_PHYADDR, 2, &tmp16);
763 tmp16 = GMII_PHY_PGSEL_PAGE5;
764 ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
765 GMII_PHY_PAGE_SELECT, 2, &tmp16);
768 ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
769 MII_BMSR, 2, &tmp16);
771 tmp16 = GMII_PHY_PGSEL_PAGE0;
772 ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
773 GMII_PHY_PAGE_SELECT, 2, &tmp16);
776 static int ax88179_get_eee(struct net_device *net, struct ethtool_eee *edata)
778 struct usbnet *dev = netdev_priv(net);
779 struct ax88179_data *priv = (struct ax88179_data *)dev->data;
781 edata->eee_enabled = priv->eee_enabled;
782 edata->eee_active = priv->eee_active;
784 return ax88179_ethtool_get_eee(dev, edata);
787 static int ax88179_set_eee(struct net_device *net, struct ethtool_eee *edata)
789 struct usbnet *dev = netdev_priv(net);
790 struct ax88179_data *priv = (struct ax88179_data *)dev->data;
791 int ret = -EOPNOTSUPP;
793 priv->eee_enabled = edata->eee_enabled;
794 if (!priv->eee_enabled) {
795 ax88179_disable_eee(dev);
797 priv->eee_enabled = ax88179_chk_eee(dev);
798 if (!priv->eee_enabled)
801 ax88179_enable_eee(dev);
804 ret = ax88179_ethtool_set_eee(dev, edata);
808 mii_nway_restart(&dev->mii);
810 usbnet_link_change(dev, 0, 0);
815 static int ax88179_ioctl(struct net_device *net, struct ifreq *rq, int cmd)
817 struct usbnet *dev = netdev_priv(net);
818 return generic_mii_ioctl(&dev->mii, if_mii(rq), cmd, NULL);
821 static const struct ethtool_ops ax88179_ethtool_ops = {
822 .get_link = ethtool_op_get_link,
823 .get_msglevel = usbnet_get_msglevel,
824 .set_msglevel = usbnet_set_msglevel,
825 .get_wol = ax88179_get_wol,
826 .set_wol = ax88179_set_wol,
827 .get_eeprom_len = ax88179_get_eeprom_len,
828 .get_eeprom = ax88179_get_eeprom,
829 .get_settings = ax88179_get_settings,
830 .set_settings = ax88179_set_settings,
831 .get_eee = ax88179_get_eee,
832 .set_eee = ax88179_set_eee,
833 .nway_reset = usbnet_nway_reset,
836 static void ax88179_set_multicast(struct net_device *net)
838 struct usbnet *dev = netdev_priv(net);
839 struct ax88179_data *data = (struct ax88179_data *)dev->data;
840 u8 *m_filter = ((u8 *)dev->data) + 12;
842 data->rxctl = (AX_RX_CTL_START | AX_RX_CTL_AB | AX_RX_CTL_IPE);
844 if (net->flags & IFF_PROMISC) {
845 data->rxctl |= AX_RX_CTL_PRO;
846 } else if (net->flags & IFF_ALLMULTI ||
847 netdev_mc_count(net) > AX_MAX_MCAST) {
848 data->rxctl |= AX_RX_CTL_AMALL;
849 } else if (netdev_mc_empty(net)) {
850 /* just broadcast and directed */
852 /* We use the 20 byte dev->data for our 8 byte filter buffer
853 * to avoid allocating memory that is tricky to free later
856 struct netdev_hw_addr *ha;
858 memset(m_filter, 0, AX_MCAST_FLTSIZE);
860 netdev_for_each_mc_addr(ha, net) {
861 crc_bits = ether_crc(ETH_ALEN, ha->addr) >> 26;
862 *(m_filter + (crc_bits >> 3)) |= (1 << (crc_bits & 7));
865 ax88179_write_cmd_async(dev, AX_ACCESS_MAC, AX_MULFLTARY,
866 AX_MCAST_FLTSIZE, AX_MCAST_FLTSIZE,
869 data->rxctl |= AX_RX_CTL_AM;
872 ax88179_write_cmd_async(dev, AX_ACCESS_MAC, AX_RX_CTL,
877 ax88179_set_features(struct net_device *net, netdev_features_t features)
880 struct usbnet *dev = netdev_priv(net);
881 netdev_features_t changed = net->features ^ features;
883 if (changed & NETIF_F_IP_CSUM) {
884 ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_TXCOE_CTL, 1, 1, &tmp);
885 tmp ^= AX_TXCOE_TCP | AX_TXCOE_UDP;
886 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_TXCOE_CTL, 1, 1, &tmp);
889 if (changed & NETIF_F_IPV6_CSUM) {
890 ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_TXCOE_CTL, 1, 1, &tmp);
891 tmp ^= AX_TXCOE_TCPV6 | AX_TXCOE_UDPV6;
892 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_TXCOE_CTL, 1, 1, &tmp);
895 if (changed & NETIF_F_RXCSUM) {
896 ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_RXCOE_CTL, 1, 1, &tmp);
897 tmp ^= AX_RXCOE_IP | AX_RXCOE_TCP | AX_RXCOE_UDP |
898 AX_RXCOE_TCPV6 | AX_RXCOE_UDPV6;
899 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RXCOE_CTL, 1, 1, &tmp);
905 static int ax88179_change_mtu(struct net_device *net, int new_mtu)
907 struct usbnet *dev = netdev_priv(net);
910 if (new_mtu <= 0 || new_mtu > 4088)
914 dev->hard_mtu = net->mtu + net->hard_header_len;
916 if (net->mtu > 1500) {
917 ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
919 tmp16 |= AX_MEDIUM_JUMBO_EN;
920 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
923 ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
925 tmp16 &= ~AX_MEDIUM_JUMBO_EN;
926 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
930 /* max qlen depend on hard_mtu and rx_urb_size */
931 usbnet_update_max_qlen(dev);
936 static int ax88179_set_mac_addr(struct net_device *net, void *p)
938 struct usbnet *dev = netdev_priv(net);
939 struct sockaddr *addr = p;
941 if (netif_running(net))
943 if (!is_valid_ether_addr(addr->sa_data))
944 return -EADDRNOTAVAIL;
946 memcpy(net->dev_addr, addr->sa_data, ETH_ALEN);
948 /* Set the MAC address */
949 return ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_NODE_ID, ETH_ALEN,
950 ETH_ALEN, net->dev_addr);
953 static const struct net_device_ops ax88179_netdev_ops = {
954 .ndo_open = usbnet_open,
955 .ndo_stop = usbnet_stop,
956 .ndo_start_xmit = usbnet_start_xmit,
957 .ndo_tx_timeout = usbnet_tx_timeout,
958 .ndo_change_mtu = ax88179_change_mtu,
959 .ndo_set_mac_address = ax88179_set_mac_addr,
960 .ndo_validate_addr = eth_validate_addr,
961 .ndo_do_ioctl = ax88179_ioctl,
962 .ndo_set_rx_mode = ax88179_set_multicast,
963 .ndo_set_features = ax88179_set_features,
966 static int ax88179_check_eeprom(struct usbnet *dev)
968 u8 i, buf, eeprom[20];
969 u16 csum, delay = HZ / 10;
970 unsigned long jtimeout;
972 /* Read EEPROM content */
973 for (i = 0; i < 6; i++) {
975 if (ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_SROM_ADDR,
980 if (ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_SROM_CMD,
984 jtimeout = jiffies + delay;
986 ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_SROM_CMD,
989 if (time_after(jiffies, jtimeout))
992 } while (buf & EEP_BUSY);
994 __ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_SROM_DATA_LOW,
995 2, 2, &eeprom[i * 2], 0);
997 if ((i == 0) && (eeprom[0] == 0xFF))
1001 csum = eeprom[6] + eeprom[7] + eeprom[8] + eeprom[9];
1002 csum = (csum >> 8) + (csum & 0xff);
1003 if ((csum + eeprom[10]) != 0xff)
1009 static int ax88179_check_efuse(struct usbnet *dev, u16 *ledmode)
1015 if (ax88179_read_cmd(dev, AX_ACCESS_EFUS, 0, 64, 64, efuse) < 0)
1021 for (i = 0; i < 64; i++)
1022 csum = csum + efuse[i];
1025 csum = (csum & 0x00FF) + ((csum >> 8) & 0x00FF);
1030 *ledmode = (efuse[51] << 8) | efuse[52];
1035 static int ax88179_convert_old_led(struct usbnet *dev, u16 *ledvalue)
1039 /* Loaded the old eFuse LED Mode */
1040 if (ax88179_read_cmd(dev, AX_ACCESS_EEPROM, 0x3C, 1, 2, &led) < 0)
1046 led = LED0_ACTIVE | LED1_LINK_10 | LED1_LINK_100 |
1047 LED1_LINK_1000 | LED2_ACTIVE | LED2_LINK_10 |
1048 LED2_LINK_100 | LED2_LINK_1000 | LED_VALID;
1051 led = LED0_ACTIVE | LED1_LINK_1000 | LED2_LINK_100 | LED_VALID;
1054 led = LED0_ACTIVE | LED1_LINK_1000 | LED2_LINK_100 |
1055 LED2_LINK_10 | LED_VALID;
1058 led = LED0_ACTIVE | LED1_ACTIVE | LED1_LINK_1000 | LED2_ACTIVE |
1059 LED2_LINK_100 | LED2_LINK_10 | LED_VALID;
1062 led = LED0_ACTIVE | LED1_LINK_10 | LED1_LINK_100 |
1063 LED1_LINK_1000 | LED2_ACTIVE | LED2_LINK_10 |
1064 LED2_LINK_100 | LED2_LINK_1000 | LED_VALID;
1073 static int ax88179_led_setting(struct usbnet *dev)
1075 u8 ledfd, value = 0;
1076 u16 tmp, ledact, ledlink, ledvalue = 0, delay = HZ / 10;
1077 unsigned long jtimeout;
1079 /* Check AX88179 version. UA1 or UA2*/
1080 ax88179_read_cmd(dev, AX_ACCESS_MAC, GENERAL_STATUS, 1, 1, &value);
1082 if (!(value & AX_SECLD)) { /* UA1 */
1083 value = AX_GPIO_CTRL_GPIO3EN | AX_GPIO_CTRL_GPIO2EN |
1084 AX_GPIO_CTRL_GPIO1EN;
1085 if (ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_GPIO_CTRL,
1091 if (!ax88179_check_eeprom(dev)) {
1093 if (ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_SROM_ADDR,
1098 if (ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_SROM_CMD,
1102 jtimeout = jiffies + delay;
1104 ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_SROM_CMD,
1107 if (time_after(jiffies, jtimeout))
1110 } while (value & EEP_BUSY);
1112 ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_SROM_DATA_HIGH,
1114 ledvalue = (value << 8);
1116 ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_SROM_DATA_LOW,
1120 /* load internal ROM for defaule setting */
1121 if ((ledvalue == 0xFFFF) || ((ledvalue & LED_VALID) == 0))
1122 ax88179_convert_old_led(dev, &ledvalue);
1124 } else if (!ax88179_check_efuse(dev, &ledvalue)) {
1125 if ((ledvalue == 0xFFFF) || ((ledvalue & LED_VALID) == 0))
1126 ax88179_convert_old_led(dev, &ledvalue);
1128 ax88179_convert_old_led(dev, &ledvalue);
1131 tmp = GMII_PHY_PGSEL_EXT;
1132 ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1133 GMII_PHY_PAGE_SELECT, 2, &tmp);
1136 ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1137 GMII_PHYPAGE, 2, &tmp);
1139 ax88179_read_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1140 GMII_LED_ACT, 2, &ledact);
1142 ax88179_read_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1143 GMII_LED_LINK, 2, &ledlink);
1145 ledact &= GMII_LED_ACTIVE_MASK;
1146 ledlink &= GMII_LED_LINK_MASK;
1148 if (ledvalue & LED0_ACTIVE)
1149 ledact |= GMII_LED0_ACTIVE;
1151 if (ledvalue & LED1_ACTIVE)
1152 ledact |= GMII_LED1_ACTIVE;
1154 if (ledvalue & LED2_ACTIVE)
1155 ledact |= GMII_LED2_ACTIVE;
1157 if (ledvalue & LED0_LINK_10)
1158 ledlink |= GMII_LED0_LINK_10;
1160 if (ledvalue & LED1_LINK_10)
1161 ledlink |= GMII_LED1_LINK_10;
1163 if (ledvalue & LED2_LINK_10)
1164 ledlink |= GMII_LED2_LINK_10;
1166 if (ledvalue & LED0_LINK_100)
1167 ledlink |= GMII_LED0_LINK_100;
1169 if (ledvalue & LED1_LINK_100)
1170 ledlink |= GMII_LED1_LINK_100;
1172 if (ledvalue & LED2_LINK_100)
1173 ledlink |= GMII_LED2_LINK_100;
1175 if (ledvalue & LED0_LINK_1000)
1176 ledlink |= GMII_LED0_LINK_1000;
1178 if (ledvalue & LED1_LINK_1000)
1179 ledlink |= GMII_LED1_LINK_1000;
1181 if (ledvalue & LED2_LINK_1000)
1182 ledlink |= GMII_LED2_LINK_1000;
1185 ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1186 GMII_LED_ACT, 2, &tmp);
1189 ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1190 GMII_LED_LINK, 2, &tmp);
1192 tmp = GMII_PHY_PGSEL_PAGE0;
1193 ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1194 GMII_PHY_PAGE_SELECT, 2, &tmp);
1196 /* LED full duplex setting */
1198 if (ledvalue & LED0_FD)
1200 else if ((ledvalue & LED0_USB3_MASK) == 0)
1203 if (ledvalue & LED1_FD)
1205 else if ((ledvalue & LED1_USB3_MASK) == 0)
1208 if (ledvalue & LED2_FD)
1210 else if ((ledvalue & LED2_USB3_MASK) == 0)
1213 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_LEDCTRL, 1, 1, &ledfd);
1218 static int ax88179_bind(struct usbnet *dev, struct usb_interface *intf)
1223 struct ax88179_data *ax179_data = (struct ax88179_data *)dev->data;
1224 struct ethtool_eee eee_data;
1226 usbnet_get_endpoints(dev, intf);
1231 memset(ax179_data, 0, sizeof(*ax179_data));
1233 /* Power up ethernet PHY */
1235 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, tmp16);
1236 *tmp16 = AX_PHYPWR_RSTCTL_IPRL;
1237 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, tmp16);
1240 *tmp = AX_CLK_SELECT_ACS | AX_CLK_SELECT_BCS;
1241 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, tmp);
1244 ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_NODE_ID, ETH_ALEN,
1245 ETH_ALEN, dev->net->dev_addr);
1246 memcpy(dev->net->perm_addr, dev->net->dev_addr, ETH_ALEN);
1248 /* RX bulk configuration */
1249 memcpy(tmp, &AX88179_BULKIN_SIZE[0], 5);
1250 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_BULKIN_QCTRL, 5, 5, tmp);
1252 dev->rx_urb_size = 1024 * 20;
1255 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PAUSE_WATERLVL_LOW, 1, 1, tmp);
1258 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PAUSE_WATERLVL_HIGH,
1261 dev->net->netdev_ops = &ax88179_netdev_ops;
1262 dev->net->ethtool_ops = &ax88179_ethtool_ops;
1263 dev->net->needed_headroom = 8;
1265 /* Initialize MII structure */
1266 dev->mii.dev = dev->net;
1267 dev->mii.mdio_read = ax88179_mdio_read;
1268 dev->mii.mdio_write = ax88179_mdio_write;
1269 dev->mii.phy_id_mask = 0xff;
1270 dev->mii.reg_num_mask = 0xff;
1271 dev->mii.phy_id = 0x03;
1272 dev->mii.supports_gmii = 1;
1274 dev->net->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
1277 dev->net->hw_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
1280 /* Enable checksum offload */
1281 *tmp = AX_RXCOE_IP | AX_RXCOE_TCP | AX_RXCOE_UDP |
1282 AX_RXCOE_TCPV6 | AX_RXCOE_UDPV6;
1283 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RXCOE_CTL, 1, 1, tmp);
1285 *tmp = AX_TXCOE_IP | AX_TXCOE_TCP | AX_TXCOE_UDP |
1286 AX_TXCOE_TCPV6 | AX_TXCOE_UDPV6;
1287 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_TXCOE_CTL, 1, 1, tmp);
1289 /* Configure RX control register => start operation */
1290 *tmp16 = AX_RX_CTL_DROPCRCERR | AX_RX_CTL_IPE | AX_RX_CTL_START |
1291 AX_RX_CTL_AP | AX_RX_CTL_AMALL | AX_RX_CTL_AB;
1292 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2, tmp16);
1294 *tmp = AX_MONITOR_MODE_PMETYPE | AX_MONITOR_MODE_PMEPOL |
1295 AX_MONITOR_MODE_RWMP;
1296 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MONITOR_MOD, 1, 1, tmp);
1298 /* Configure default medium type => giga */
1299 *tmp16 = AX_MEDIUM_RECEIVE_EN | AX_MEDIUM_TXFLOW_CTRLEN |
1300 AX_MEDIUM_RXFLOW_CTRLEN | AX_MEDIUM_FULL_DUPLEX |
1302 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
1305 ax88179_led_setting(dev);
1307 ax179_data->eee_enabled = 0;
1308 ax179_data->eee_active = 0;
1310 ax88179_disable_eee(dev);
1312 ax88179_ethtool_get_eee(dev, &eee_data);
1313 eee_data.advertised = 0;
1314 ax88179_ethtool_set_eee(dev, &eee_data);
1316 /* Restart autoneg */
1317 mii_nway_restart(&dev->mii);
1319 usbnet_link_change(dev, 0, 0);
1324 static void ax88179_unbind(struct usbnet *dev, struct usb_interface *intf)
1328 /* Configure RX control register => stop operation */
1329 tmp16 = AX_RX_CTL_STOP;
1330 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2, &tmp16);
1333 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, &tmp16);
1335 /* Power down ethernet PHY */
1337 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, &tmp16);
1341 ax88179_rx_checksum(struct sk_buff *skb, u32 *pkt_hdr)
1343 skb->ip_summed = CHECKSUM_NONE;
1345 /* checksum error bit is set */
1346 if ((*pkt_hdr & AX_RXHDR_L3CSUM_ERR) ||
1347 (*pkt_hdr & AX_RXHDR_L4CSUM_ERR))
1350 /* It must be a TCP or UDP packet with a valid checksum */
1351 if (((*pkt_hdr & AX_RXHDR_L4_TYPE_MASK) == AX_RXHDR_L4_TYPE_TCP) ||
1352 ((*pkt_hdr & AX_RXHDR_L4_TYPE_MASK) == AX_RXHDR_L4_TYPE_UDP))
1353 skb->ip_summed = CHECKSUM_UNNECESSARY;
1356 static int ax88179_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
1358 struct sk_buff *ax_skb;
1364 /* This check is no longer done by usbnet */
1365 if (skb->len < dev->net->hard_header_len)
1368 skb_trim(skb, skb->len - 4);
1369 memcpy(&rx_hdr, skb_tail_pointer(skb), 4);
1370 le32_to_cpus(&rx_hdr);
1372 pkt_cnt = (u16)rx_hdr;
1373 hdr_off = (u16)(rx_hdr >> 16);
1374 pkt_hdr = (u32 *)(skb->data + hdr_off);
1379 le32_to_cpus(pkt_hdr);
1380 pkt_len = (*pkt_hdr >> 16) & 0x1fff;
1382 /* Check CRC or runt packet */
1383 if ((*pkt_hdr & AX_RXHDR_CRC_ERR) ||
1384 (*pkt_hdr & AX_RXHDR_DROP_ERR)) {
1385 skb_pull(skb, (pkt_len + 7) & 0xFFF8);
1391 /* Skip IP alignment psudo header */
1394 skb_set_tail_pointer(skb, pkt_len);
1395 skb->truesize = pkt_len + sizeof(struct sk_buff);
1396 ax88179_rx_checksum(skb, pkt_hdr);
1400 ax_skb = skb_clone(skb, GFP_ATOMIC);
1402 ax_skb->len = pkt_len;
1403 ax_skb->data = skb->data + 2;
1404 skb_set_tail_pointer(ax_skb, pkt_len);
1405 ax_skb->truesize = pkt_len + sizeof(struct sk_buff);
1406 ax88179_rx_checksum(ax_skb, pkt_hdr);
1407 usbnet_skb_return(dev, ax_skb);
1412 skb_pull(skb, (pkt_len + 7) & 0xFFF8);
1418 static struct sk_buff *
1419 ax88179_tx_fixup(struct usbnet *dev, struct sk_buff *skb, gfp_t flags)
1421 u32 tx_hdr1, tx_hdr2;
1422 int frame_size = dev->maxpacket;
1423 int mss = skb_shinfo(skb)->gso_size;
1428 if (((skb->len + 8) % frame_size) == 0)
1429 tx_hdr2 |= 0x80008000; /* Enable padding */
1431 headroom = skb_headroom(skb) - 8;
1433 if ((skb_header_cloned(skb) || headroom < 0) &&
1434 pskb_expand_head(skb, headroom < 0 ? 8 : 0, 0, GFP_ATOMIC)) {
1435 dev_kfree_skb_any(skb);
1440 cpu_to_le32s(&tx_hdr2);
1441 skb_copy_to_linear_data(skb, &tx_hdr2, 4);
1444 cpu_to_le32s(&tx_hdr1);
1445 skb_copy_to_linear_data(skb, &tx_hdr1, 4);
1450 static int ax88179_link_reset(struct usbnet *dev)
1452 struct ax88179_data *ax179_data = (struct ax88179_data *)dev->data;
1453 u8 tmp[5], link_sts;
1454 u16 mode, tmp16, delay = HZ / 10;
1455 u32 tmp32 = 0x40000000;
1456 unsigned long jtimeout;
1458 jtimeout = jiffies + delay;
1459 while (tmp32 & 0x40000000) {
1461 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2, &mode);
1462 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2,
1463 &ax179_data->rxctl);
1465 /*link up, check the usb device control TX FIFO full or empty*/
1466 ax88179_read_cmd(dev, 0x81, 0x8c, 0, 4, &tmp32);
1468 if (time_after(jiffies, jtimeout))
1472 mode = AX_MEDIUM_RECEIVE_EN | AX_MEDIUM_TXFLOW_CTRLEN |
1473 AX_MEDIUM_RXFLOW_CTRLEN;
1475 ax88179_read_cmd(dev, AX_ACCESS_MAC, PHYSICAL_LINK_STATUS,
1478 ax88179_read_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1479 GMII_PHY_PHYSR, 2, &tmp16);
1481 if (!(tmp16 & GMII_PHY_PHYSR_LINK)) {
1483 } else if (GMII_PHY_PHYSR_GIGA == (tmp16 & GMII_PHY_PHYSR_SMASK)) {
1484 mode |= AX_MEDIUM_GIGAMODE | AX_MEDIUM_EN_125MHZ;
1485 if (dev->net->mtu > 1500)
1486 mode |= AX_MEDIUM_JUMBO_EN;
1488 if (link_sts & AX_USB_SS)
1489 memcpy(tmp, &AX88179_BULKIN_SIZE[0], 5);
1490 else if (link_sts & AX_USB_HS)
1491 memcpy(tmp, &AX88179_BULKIN_SIZE[1], 5);
1493 memcpy(tmp, &AX88179_BULKIN_SIZE[3], 5);
1494 } else if (GMII_PHY_PHYSR_100 == (tmp16 & GMII_PHY_PHYSR_SMASK)) {
1495 mode |= AX_MEDIUM_PS;
1497 if (link_sts & (AX_USB_SS | AX_USB_HS))
1498 memcpy(tmp, &AX88179_BULKIN_SIZE[2], 5);
1500 memcpy(tmp, &AX88179_BULKIN_SIZE[3], 5);
1502 memcpy(tmp, &AX88179_BULKIN_SIZE[3], 5);
1505 /* RX bulk configuration */
1506 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_BULKIN_QCTRL, 5, 5, tmp);
1508 dev->rx_urb_size = (1024 * (tmp[3] + 2));
1510 if (tmp16 & GMII_PHY_PHYSR_FULL)
1511 mode |= AX_MEDIUM_FULL_DUPLEX;
1512 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
1515 ax179_data->eee_enabled = ax88179_chk_eee(dev);
1517 netif_carrier_on(dev->net);
1522 static int ax88179_reset(struct usbnet *dev)
1527 struct ax88179_data *ax179_data = (struct ax88179_data *)dev->data;
1528 struct ethtool_eee eee_data;
1533 /* Power up ethernet PHY */
1535 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, tmp16);
1537 *tmp16 = AX_PHYPWR_RSTCTL_IPRL;
1538 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, tmp16);
1541 *tmp = AX_CLK_SELECT_ACS | AX_CLK_SELECT_BCS;
1542 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, tmp);
1545 /* Ethernet PHY Auto Detach*/
1546 ax88179_auto_detach(dev, 0);
1548 ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_NODE_ID, ETH_ALEN, ETH_ALEN,
1549 dev->net->dev_addr);
1550 memcpy(dev->net->perm_addr, dev->net->dev_addr, ETH_ALEN);
1552 /* RX bulk configuration */
1553 memcpy(tmp, &AX88179_BULKIN_SIZE[0], 5);
1554 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_BULKIN_QCTRL, 5, 5, tmp);
1556 dev->rx_urb_size = 1024 * 20;
1559 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PAUSE_WATERLVL_LOW, 1, 1, tmp);
1562 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PAUSE_WATERLVL_HIGH,
1565 dev->net->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
1568 dev->net->hw_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
1571 /* Enable checksum offload */
1572 *tmp = AX_RXCOE_IP | AX_RXCOE_TCP | AX_RXCOE_UDP |
1573 AX_RXCOE_TCPV6 | AX_RXCOE_UDPV6;
1574 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RXCOE_CTL, 1, 1, tmp);
1576 *tmp = AX_TXCOE_IP | AX_TXCOE_TCP | AX_TXCOE_UDP |
1577 AX_TXCOE_TCPV6 | AX_TXCOE_UDPV6;
1578 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_TXCOE_CTL, 1, 1, tmp);
1580 /* Configure RX control register => start operation */
1581 *tmp16 = AX_RX_CTL_DROPCRCERR | AX_RX_CTL_IPE | AX_RX_CTL_START |
1582 AX_RX_CTL_AP | AX_RX_CTL_AMALL | AX_RX_CTL_AB;
1583 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2, tmp16);
1585 *tmp = AX_MONITOR_MODE_PMETYPE | AX_MONITOR_MODE_PMEPOL |
1586 AX_MONITOR_MODE_RWMP;
1587 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MONITOR_MOD, 1, 1, tmp);
1589 /* Configure default medium type => giga */
1590 *tmp16 = AX_MEDIUM_RECEIVE_EN | AX_MEDIUM_TXFLOW_CTRLEN |
1591 AX_MEDIUM_RXFLOW_CTRLEN | AX_MEDIUM_FULL_DUPLEX |
1593 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
1596 ax88179_led_setting(dev);
1598 ax179_data->eee_enabled = 0;
1599 ax179_data->eee_active = 0;
1601 ax88179_disable_eee(dev);
1603 ax88179_ethtool_get_eee(dev, &eee_data);
1604 eee_data.advertised = 0;
1605 ax88179_ethtool_set_eee(dev, &eee_data);
1607 /* Restart autoneg */
1608 mii_nway_restart(&dev->mii);
1610 usbnet_link_change(dev, 0, 0);
1615 static int ax88179_stop(struct usbnet *dev)
1619 ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
1621 tmp16 &= ~AX_MEDIUM_RECEIVE_EN;
1622 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
1628 static const struct driver_info ax88179_info = {
1629 .description = "ASIX AX88179 USB 3.0 Gigabit Ethernet",
1630 .bind = ax88179_bind,
1631 .unbind = ax88179_unbind,
1632 .status = ax88179_status,
1633 .link_reset = ax88179_link_reset,
1634 .reset = ax88179_reset,
1635 .stop = ax88179_stop,
1636 .flags = FLAG_ETHER | FLAG_FRAMING_AX,
1637 .rx_fixup = ax88179_rx_fixup,
1638 .tx_fixup = ax88179_tx_fixup,
1641 static const struct driver_info ax88178a_info = {
1642 .description = "ASIX AX88178A USB 2.0 Gigabit Ethernet",
1643 .bind = ax88179_bind,
1644 .unbind = ax88179_unbind,
1645 .status = ax88179_status,
1646 .link_reset = ax88179_link_reset,
1647 .reset = ax88179_reset,
1648 .stop = ax88179_stop,
1649 .flags = FLAG_ETHER | FLAG_FRAMING_AX,
1650 .rx_fixup = ax88179_rx_fixup,
1651 .tx_fixup = ax88179_tx_fixup,
1654 static const struct driver_info dlink_dub1312_info = {
1655 .description = "D-Link DUB-1312 USB 3.0 to Gigabit Ethernet Adapter",
1656 .bind = ax88179_bind,
1657 .unbind = ax88179_unbind,
1658 .status = ax88179_status,
1659 .link_reset = ax88179_link_reset,
1660 .reset = ax88179_reset,
1661 .stop = ax88179_stop,
1662 .flags = FLAG_ETHER | FLAG_FRAMING_AX,
1663 .rx_fixup = ax88179_rx_fixup,
1664 .tx_fixup = ax88179_tx_fixup,
1667 static const struct driver_info sitecom_info = {
1668 .description = "Sitecom USB 3.0 to Gigabit Adapter",
1669 .bind = ax88179_bind,
1670 .unbind = ax88179_unbind,
1671 .status = ax88179_status,
1672 .link_reset = ax88179_link_reset,
1673 .reset = ax88179_reset,
1674 .stop = ax88179_stop,
1675 .flags = FLAG_ETHER | FLAG_FRAMING_AX,
1676 .rx_fixup = ax88179_rx_fixup,
1677 .tx_fixup = ax88179_tx_fixup,
1680 static const struct driver_info samsung_info = {
1681 .description = "Samsung USB Ethernet Adapter",
1682 .bind = ax88179_bind,
1683 .unbind = ax88179_unbind,
1684 .status = ax88179_status,
1685 .link_reset = ax88179_link_reset,
1686 .reset = ax88179_reset,
1687 .stop = ax88179_stop,
1688 .flags = FLAG_ETHER | FLAG_FRAMING_AX,
1689 .rx_fixup = ax88179_rx_fixup,
1690 .tx_fixup = ax88179_tx_fixup,
1693 static const struct driver_info lenovo_info = {
1694 .description = "Lenovo OneLinkDock Gigabit LAN",
1695 .bind = ax88179_bind,
1696 .unbind = ax88179_unbind,
1697 .status = ax88179_status,
1698 .link_reset = ax88179_link_reset,
1699 .reset = ax88179_reset,
1700 .stop = ax88179_stop,
1701 .flags = FLAG_ETHER | FLAG_FRAMING_AX,
1702 .rx_fixup = ax88179_rx_fixup,
1703 .tx_fixup = ax88179_tx_fixup,
1706 static const struct usb_device_id products[] = {
1708 /* ASIX AX88179 10/100/1000 */
1709 USB_DEVICE(0x0b95, 0x1790),
1710 .driver_info = (unsigned long)&ax88179_info,
1712 /* ASIX AX88178A 10/100/1000 */
1713 USB_DEVICE(0x0b95, 0x178a),
1714 .driver_info = (unsigned long)&ax88178a_info,
1716 /* D-Link DUB-1312 USB 3.0 to Gigabit Ethernet Adapter */
1717 USB_DEVICE(0x2001, 0x4a00),
1718 .driver_info = (unsigned long)&dlink_dub1312_info,
1720 /* Sitecom USB 3.0 to Gigabit Adapter */
1721 USB_DEVICE(0x0df6, 0x0072),
1722 .driver_info = (unsigned long)&sitecom_info,
1724 /* Samsung USB Ethernet Adapter */
1725 USB_DEVICE(0x04e8, 0xa100),
1726 .driver_info = (unsigned long)&samsung_info,
1728 /* Lenovo OneLinkDock Gigabit LAN */
1729 USB_DEVICE(0x17ef, 0x304b),
1730 .driver_info = (unsigned long)&lenovo_info,
1734 MODULE_DEVICE_TABLE(usb, products);
1736 static struct usb_driver ax88179_178a_driver = {
1737 .name = "ax88179_178a",
1738 .id_table = products,
1739 .probe = usbnet_probe,
1740 .suspend = ax88179_suspend,
1741 .resume = ax88179_resume,
1742 .reset_resume = ax88179_resume,
1743 .disconnect = usbnet_disconnect,
1744 .supports_autosuspend = 1,
1745 .disable_hub_initiated_lpm = 1,
1748 module_usb_driver(ax88179_178a_driver);
1750 MODULE_DESCRIPTION("ASIX AX88179/178A based USB 3.0/2.0 Gigabit Ethernet Devices");
1751 MODULE_LICENSE("GPL");