1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * ASIX AX88179/178A USB 3.0/2.0 to Gigabit Ethernet Devices
5 * Copyright (C) 2011-2013 ASIX
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>
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
38 #define PHYSICAL_LINK_STATUS 0x02
39 #define AX_USB_SS 0x04
40 #define AX_USB_HS 0x02
42 #define GENERAL_STATUS 0x03
43 /* Check AX88179 version. UA1:Bit2 = 0, UA2:Bit2 = 1 */
46 #define AX_SROM_ADDR 0x07
47 #define AX_SROM_CMD 0x0a
51 #define AX_SROM_DATA_LOW 0x08
52 #define AX_SROM_DATA_HIGH 0x09
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
65 #define AX_NODE_ID 0x10
66 #define AX_MULFLTARY 0x16
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
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
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
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
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
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
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
114 #define AX_LEDCTRL 0x73
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
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)
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
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
167 static int ax88179_reset(struct usbnet *dev);
169 struct ax88179_data {
178 struct ax88179_int_data {
183 static const struct {
184 unsigned char ctrl, timer_l, timer_h, size, ifg;
185 } AX88179_BULKIN_SIZE[] = {
186 {7, 0x4f, 0, 0x12, 0xff},
187 {7, 0x20, 3, 0x16, 0xff},
188 {7, 0xae, 7, 0x18, 0xff},
189 {7, 0xcc, 0x4c, 0x18, 8},
192 static void ax88179_set_pm_mode(struct usbnet *dev, bool pm_mode)
194 struct ax88179_data *ax179_data = dev->driver_priv;
196 ax179_data->in_pm = pm_mode;
199 static int ax88179_in_pm(struct usbnet *dev)
201 struct ax88179_data *ax179_data = dev->driver_priv;
203 return ax179_data->in_pm;
206 static int __ax88179_read_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
207 u16 size, void *data)
210 int (*fn)(struct usbnet *, u8, u8, u16, u16, void *, u16);
214 if (!ax88179_in_pm(dev))
215 fn = usbnet_read_cmd;
217 fn = usbnet_read_cmd_nopm;
219 ret = fn(dev, cmd, USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
220 value, index, data, size);
222 if (unlikely(ret < 0))
223 netdev_warn(dev->net, "Failed to read reg index 0x%04x: %d\n",
229 static int __ax88179_write_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
230 u16 size, const void *data)
233 int (*fn)(struct usbnet *, u8, u8, u16, u16, const void *, u16);
237 if (!ax88179_in_pm(dev))
238 fn = usbnet_write_cmd;
240 fn = usbnet_write_cmd_nopm;
242 ret = fn(dev, cmd, USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
243 value, index, data, size);
245 if (unlikely(ret < 0))
246 netdev_warn(dev->net, "Failed to write reg index 0x%04x: %d\n",
252 static void ax88179_write_cmd_async(struct usbnet *dev, u8 cmd, u16 value,
253 u16 index, u16 size, void *data)
258 buf = *((u16 *)data);
260 usbnet_write_cmd_async(dev, cmd, USB_DIR_OUT | USB_TYPE_VENDOR |
261 USB_RECIP_DEVICE, value, index, &buf,
264 usbnet_write_cmd_async(dev, cmd, USB_DIR_OUT | USB_TYPE_VENDOR |
265 USB_RECIP_DEVICE, value, index, data,
270 static int ax88179_read_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
271 u16 size, void *data)
277 ret = __ax88179_read_cmd(dev, cmd, value, index, size, &buf);
279 *((u16 *)data) = buf;
280 } else if (4 == size) {
282 ret = __ax88179_read_cmd(dev, cmd, value, index, size, &buf);
284 *((u32 *)data) = buf;
286 ret = __ax88179_read_cmd(dev, cmd, value, index, size, data);
292 static int ax88179_write_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
293 u16 size, const void *data)
299 buf = *((u16 *)data);
301 ret = __ax88179_write_cmd(dev, cmd, value, index,
304 ret = __ax88179_write_cmd(dev, cmd, value, index,
311 static void ax88179_status(struct usbnet *dev, struct urb *urb)
313 struct ax88179_int_data *event;
316 if (urb->actual_length < 8)
319 event = urb->transfer_buffer;
320 le32_to_cpus((void *)&event->intdata1);
322 link = (((__force u32)event->intdata1) & AX_INT_PPLS_LINK) >> 16;
324 if (netif_carrier_ok(dev->net) != link) {
325 usbnet_link_change(dev, link, 1);
326 netdev_info(dev->net, "ax88179 - Link status is: %d\n", link);
330 static int ax88179_mdio_read(struct net_device *netdev, int phy_id, int loc)
332 struct usbnet *dev = netdev_priv(netdev);
335 ax88179_read_cmd(dev, AX_ACCESS_PHY, phy_id, (__u16)loc, 2, &res);
339 static void ax88179_mdio_write(struct net_device *netdev, int phy_id, int loc,
342 struct usbnet *dev = netdev_priv(netdev);
345 ax88179_write_cmd(dev, AX_ACCESS_PHY, phy_id, (__u16)loc, 2, &res);
348 static inline int ax88179_phy_mmd_indirect(struct usbnet *dev, u16 prtad,
355 ret = ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
356 MII_MMD_CTRL, 2, &tmp16);
359 ret = ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
360 MII_MMD_DATA, 2, &tmp16);
362 tmp16 = devad | MII_MMD_CTRL_NOINCR;
363 ret = ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
364 MII_MMD_CTRL, 2, &tmp16);
370 ax88179_phy_read_mmd_indirect(struct usbnet *dev, u16 prtad, u16 devad)
375 ax88179_phy_mmd_indirect(dev, prtad, devad);
377 ret = ax88179_read_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
378 MII_MMD_DATA, 2, &tmp16);
386 ax88179_phy_write_mmd_indirect(struct usbnet *dev, u16 prtad, u16 devad,
391 ax88179_phy_mmd_indirect(dev, prtad, devad);
393 ret = ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
394 MII_MMD_DATA, 2, &data);
402 static int ax88179_suspend(struct usb_interface *intf, pm_message_t message)
404 struct usbnet *dev = usb_get_intfdata(intf);
405 struct ax88179_data *priv = dev->driver_priv;
409 ax88179_set_pm_mode(dev, true);
411 usbnet_suspend(intf, message);
415 ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_MONITOR_MOD,
417 if (priv->wolopts & WAKE_PHY)
418 tmp8 |= AX_MONITOR_MODE_RWLC;
419 if (priv->wolopts & WAKE_MAGIC)
420 tmp8 |= AX_MONITOR_MODE_RWMP;
422 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MONITOR_MOD,
426 /* Disable RX path */
427 ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
429 tmp16 &= ~AX_MEDIUM_RECEIVE_EN;
430 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
433 /* Force bulk-in zero length */
434 ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL,
437 tmp16 |= AX_PHYPWR_RSTCTL_BZ | AX_PHYPWR_RSTCTL_IPRL;
438 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL,
443 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, &tmp8);
445 /* Configure RX control register => stop operation */
446 tmp16 = AX_RX_CTL_STOP;
447 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2, &tmp16);
449 ax88179_set_pm_mode(dev, false);
454 /* This function is used to enable the autodetach function. */
455 /* This function is determined by offset 0x43 of EEPROM */
456 static int ax88179_auto_detach(struct usbnet *dev)
461 if (ax88179_read_cmd(dev, AX_ACCESS_EEPROM, 0x43, 1, 2, &tmp16) < 0)
464 if ((tmp16 == 0xFFFF) || (!(tmp16 & 0x0100)))
467 /* Enable Auto Detach bit */
469 ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, &tmp8);
470 tmp8 |= AX_CLK_SELECT_ULR;
471 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, &tmp8);
473 ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, &tmp16);
474 tmp16 |= AX_PHYPWR_RSTCTL_AT;
475 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, &tmp16);
480 static int ax88179_resume(struct usb_interface *intf)
482 struct usbnet *dev = usb_get_intfdata(intf);
484 ax88179_set_pm_mode(dev, true);
486 usbnet_link_change(dev, 0, 0);
490 ax88179_set_pm_mode(dev, false);
492 return usbnet_resume(intf);
496 ax88179_get_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo)
498 struct usbnet *dev = netdev_priv(net);
499 struct ax88179_data *priv = dev->driver_priv;
501 wolinfo->supported = priv->wol_supported;
502 wolinfo->wolopts = priv->wolopts;
506 ax88179_set_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo)
508 struct usbnet *dev = netdev_priv(net);
509 struct ax88179_data *priv = dev->driver_priv;
511 if (wolinfo->wolopts & ~(priv->wol_supported))
514 priv->wolopts = wolinfo->wolopts;
519 static int ax88179_get_eeprom_len(struct net_device *net)
521 return AX_EEPROM_LEN;
525 ax88179_get_eeprom(struct net_device *net, struct ethtool_eeprom *eeprom,
528 struct usbnet *dev = netdev_priv(net);
530 int first_word, last_word;
533 if (eeprom->len == 0)
536 eeprom->magic = AX88179_EEPROM_MAGIC;
538 first_word = eeprom->offset >> 1;
539 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
540 eeprom_buff = kmalloc_array(last_word - first_word + 1, sizeof(u16),
545 /* ax88179/178A returns 2 bytes from eeprom on read */
546 for (i = first_word; i <= last_word; i++) {
547 ret = __ax88179_read_cmd(dev, AX_ACCESS_EEPROM, i, 1, 2,
548 &eeprom_buff[i - first_word]);
555 memcpy(data, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
561 ax88179_set_eeprom(struct net_device *net, struct ethtool_eeprom *eeprom,
564 struct usbnet *dev = netdev_priv(net);
571 netdev_dbg(net, "write EEPROM len %d, offset %d, magic 0x%x\n",
572 eeprom->len, eeprom->offset, eeprom->magic);
574 if (eeprom->len == 0)
577 if (eeprom->magic != AX88179_EEPROM_MAGIC)
580 first_word = eeprom->offset >> 1;
581 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
583 eeprom_buff = kmalloc_array(last_word - first_word + 1, sizeof(u16),
588 /* align data to 16 bit boundaries, read the missing data from
590 if (eeprom->offset & 1) {
591 ret = ax88179_read_cmd(dev, AX_ACCESS_EEPROM, first_word, 1, 2,
594 netdev_err(net, "Failed to read EEPROM at offset 0x%02x.\n", first_word);
599 if ((eeprom->offset + eeprom->len) & 1) {
600 ret = ax88179_read_cmd(dev, AX_ACCESS_EEPROM, last_word, 1, 2,
601 &eeprom_buff[last_word - first_word]);
603 netdev_err(net, "Failed to read EEPROM at offset 0x%02x.\n", last_word);
608 memcpy((u8 *)eeprom_buff + (eeprom->offset & 1), data, eeprom->len);
610 for (i = first_word; i <= last_word; i++) {
611 netdev_dbg(net, "write to EEPROM at offset 0x%02x, data 0x%04x\n",
612 i, eeprom_buff[i - first_word]);
613 ret = ax88179_write_cmd(dev, AX_ACCESS_EEPROM, i, 1, 2,
614 &eeprom_buff[i - first_word]);
616 netdev_err(net, "Failed to write EEPROM at offset 0x%02x.\n", i);
622 /* reload EEPROM data */
623 ret = ax88179_write_cmd(dev, AX_RELOAD_EEPROM_EFUSE, 0x0000, 0, 0, NULL);
625 netdev_err(net, "Failed to reload EEPROM data\n");
635 static int ax88179_get_link_ksettings(struct net_device *net,
636 struct ethtool_link_ksettings *cmd)
638 struct usbnet *dev = netdev_priv(net);
640 mii_ethtool_get_link_ksettings(&dev->mii, cmd);
645 static int ax88179_set_link_ksettings(struct net_device *net,
646 const struct ethtool_link_ksettings *cmd)
648 struct usbnet *dev = netdev_priv(net);
649 return mii_ethtool_set_link_ksettings(&dev->mii, cmd);
653 ax88179_ethtool_get_eee(struct usbnet *dev, struct ethtool_eee *data)
657 /* Get Supported EEE */
658 val = ax88179_phy_read_mmd_indirect(dev, MDIO_PCS_EEE_ABLE,
662 data->supported = mmd_eee_cap_to_ethtool_sup_t(val);
664 /* Get advertisement EEE */
665 val = ax88179_phy_read_mmd_indirect(dev, MDIO_AN_EEE_ADV,
669 data->advertised = mmd_eee_adv_to_ethtool_adv_t(val);
671 /* Get LP advertisement EEE */
672 val = ax88179_phy_read_mmd_indirect(dev, MDIO_AN_EEE_LPABLE,
676 data->lp_advertised = mmd_eee_adv_to_ethtool_adv_t(val);
682 ax88179_ethtool_set_eee(struct usbnet *dev, struct ethtool_eee *data)
684 u16 tmp16 = ethtool_adv_to_mmd_eee_adv_t(data->advertised);
686 return ax88179_phy_write_mmd_indirect(dev, MDIO_AN_EEE_ADV,
690 static int ax88179_chk_eee(struct usbnet *dev)
692 struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET };
693 struct ax88179_data *priv = dev->driver_priv;
695 mii_ethtool_gset(&dev->mii, &ecmd);
697 if (ecmd.duplex & DUPLEX_FULL) {
698 int eee_lp, eee_cap, eee_adv;
699 u32 lp, cap, adv, supported = 0;
701 eee_cap = ax88179_phy_read_mmd_indirect(dev,
705 priv->eee_active = 0;
709 cap = mmd_eee_cap_to_ethtool_sup_t(eee_cap);
711 priv->eee_active = 0;
715 eee_lp = ax88179_phy_read_mmd_indirect(dev,
719 priv->eee_active = 0;
723 eee_adv = ax88179_phy_read_mmd_indirect(dev,
728 priv->eee_active = 0;
732 adv = mmd_eee_adv_to_ethtool_adv_t(eee_adv);
733 lp = mmd_eee_adv_to_ethtool_adv_t(eee_lp);
734 supported = (ecmd.speed == SPEED_1000) ?
735 SUPPORTED_1000baseT_Full :
736 SUPPORTED_100baseT_Full;
738 if (!(lp & adv & supported)) {
739 priv->eee_active = 0;
743 priv->eee_active = 1;
747 priv->eee_active = 0;
751 static void ax88179_disable_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_PAGE0;
764 ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
765 GMII_PHY_PAGE_SELECT, 2, &tmp16);
768 static void ax88179_enable_eee(struct usbnet *dev)
772 tmp16 = GMII_PHY_PGSEL_PAGE3;
773 ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
774 GMII_PHY_PAGE_SELECT, 2, &tmp16);
777 ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
778 MII_PHYADDR, 2, &tmp16);
780 tmp16 = GMII_PHY_PGSEL_PAGE5;
781 ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
782 GMII_PHY_PAGE_SELECT, 2, &tmp16);
785 ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
786 MII_BMSR, 2, &tmp16);
788 tmp16 = GMII_PHY_PGSEL_PAGE0;
789 ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
790 GMII_PHY_PAGE_SELECT, 2, &tmp16);
793 static int ax88179_get_eee(struct net_device *net, struct ethtool_eee *edata)
795 struct usbnet *dev = netdev_priv(net);
796 struct ax88179_data *priv = dev->driver_priv;
798 edata->eee_enabled = priv->eee_enabled;
799 edata->eee_active = priv->eee_active;
801 return ax88179_ethtool_get_eee(dev, edata);
804 static int ax88179_set_eee(struct net_device *net, struct ethtool_eee *edata)
806 struct usbnet *dev = netdev_priv(net);
807 struct ax88179_data *priv = dev->driver_priv;
810 priv->eee_enabled = edata->eee_enabled;
811 if (!priv->eee_enabled) {
812 ax88179_disable_eee(dev);
814 priv->eee_enabled = ax88179_chk_eee(dev);
815 if (!priv->eee_enabled)
818 ax88179_enable_eee(dev);
821 ret = ax88179_ethtool_set_eee(dev, edata);
825 mii_nway_restart(&dev->mii);
827 usbnet_link_change(dev, 0, 0);
832 static int ax88179_ioctl(struct net_device *net, struct ifreq *rq, int cmd)
834 struct usbnet *dev = netdev_priv(net);
835 return generic_mii_ioctl(&dev->mii, if_mii(rq), cmd, NULL);
838 static const struct ethtool_ops ax88179_ethtool_ops = {
839 .get_link = ethtool_op_get_link,
840 .get_msglevel = usbnet_get_msglevel,
841 .set_msglevel = usbnet_set_msglevel,
842 .get_wol = ax88179_get_wol,
843 .set_wol = ax88179_set_wol,
844 .get_eeprom_len = ax88179_get_eeprom_len,
845 .get_eeprom = ax88179_get_eeprom,
846 .set_eeprom = ax88179_set_eeprom,
847 .get_eee = ax88179_get_eee,
848 .set_eee = ax88179_set_eee,
849 .nway_reset = usbnet_nway_reset,
850 .get_link_ksettings = ax88179_get_link_ksettings,
851 .set_link_ksettings = ax88179_set_link_ksettings,
852 .get_ts_info = ethtool_op_get_ts_info,
855 static void ax88179_set_multicast(struct net_device *net)
857 struct usbnet *dev = netdev_priv(net);
858 struct ax88179_data *data = dev->driver_priv;
859 u8 *m_filter = ((u8 *)dev->data);
861 data->rxctl = (AX_RX_CTL_START | AX_RX_CTL_AB | AX_RX_CTL_IPE);
863 if (net->flags & IFF_PROMISC) {
864 data->rxctl |= AX_RX_CTL_PRO;
865 } else if (net->flags & IFF_ALLMULTI ||
866 netdev_mc_count(net) > AX_MAX_MCAST) {
867 data->rxctl |= AX_RX_CTL_AMALL;
868 } else if (netdev_mc_empty(net)) {
869 /* just broadcast and directed */
871 /* We use dev->data for our 8 byte filter buffer
872 * to avoid allocating memory that is tricky to free later
875 struct netdev_hw_addr *ha;
877 memset(m_filter, 0, AX_MCAST_FLTSIZE);
879 netdev_for_each_mc_addr(ha, net) {
880 crc_bits = ether_crc(ETH_ALEN, ha->addr) >> 26;
881 *(m_filter + (crc_bits >> 3)) |= (1 << (crc_bits & 7));
884 ax88179_write_cmd_async(dev, AX_ACCESS_MAC, AX_MULFLTARY,
885 AX_MCAST_FLTSIZE, AX_MCAST_FLTSIZE,
888 data->rxctl |= AX_RX_CTL_AM;
891 ax88179_write_cmd_async(dev, AX_ACCESS_MAC, AX_RX_CTL,
896 ax88179_set_features(struct net_device *net, netdev_features_t features)
899 struct usbnet *dev = netdev_priv(net);
900 netdev_features_t changed = net->features ^ features;
902 if (changed & NETIF_F_IP_CSUM) {
903 ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_TXCOE_CTL, 1, 1, &tmp);
904 tmp ^= AX_TXCOE_TCP | AX_TXCOE_UDP;
905 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_TXCOE_CTL, 1, 1, &tmp);
908 if (changed & NETIF_F_IPV6_CSUM) {
909 ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_TXCOE_CTL, 1, 1, &tmp);
910 tmp ^= AX_TXCOE_TCPV6 | AX_TXCOE_UDPV6;
911 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_TXCOE_CTL, 1, 1, &tmp);
914 if (changed & NETIF_F_RXCSUM) {
915 ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_RXCOE_CTL, 1, 1, &tmp);
916 tmp ^= AX_RXCOE_IP | AX_RXCOE_TCP | AX_RXCOE_UDP |
917 AX_RXCOE_TCPV6 | AX_RXCOE_UDPV6;
918 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RXCOE_CTL, 1, 1, &tmp);
924 static int ax88179_change_mtu(struct net_device *net, int new_mtu)
926 struct usbnet *dev = netdev_priv(net);
930 dev->hard_mtu = net->mtu + net->hard_header_len;
932 if (net->mtu > 1500) {
933 ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
935 tmp16 |= AX_MEDIUM_JUMBO_EN;
936 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
939 ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
941 tmp16 &= ~AX_MEDIUM_JUMBO_EN;
942 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
946 /* max qlen depend on hard_mtu and rx_urb_size */
947 usbnet_update_max_qlen(dev);
952 static int ax88179_set_mac_addr(struct net_device *net, void *p)
954 struct usbnet *dev = netdev_priv(net);
955 struct sockaddr *addr = p;
958 if (netif_running(net))
960 if (!is_valid_ether_addr(addr->sa_data))
961 return -EADDRNOTAVAIL;
963 eth_hw_addr_set(net, addr->sa_data);
965 /* Set the MAC address */
966 ret = ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_NODE_ID, ETH_ALEN,
967 ETH_ALEN, net->dev_addr);
974 static const struct net_device_ops ax88179_netdev_ops = {
975 .ndo_open = usbnet_open,
976 .ndo_stop = usbnet_stop,
977 .ndo_start_xmit = usbnet_start_xmit,
978 .ndo_tx_timeout = usbnet_tx_timeout,
979 .ndo_get_stats64 = dev_get_tstats64,
980 .ndo_change_mtu = ax88179_change_mtu,
981 .ndo_set_mac_address = ax88179_set_mac_addr,
982 .ndo_validate_addr = eth_validate_addr,
983 .ndo_eth_ioctl = ax88179_ioctl,
984 .ndo_set_rx_mode = ax88179_set_multicast,
985 .ndo_set_features = ax88179_set_features,
988 static int ax88179_check_eeprom(struct usbnet *dev)
990 u8 i, buf, eeprom[20];
991 u16 csum, delay = HZ / 10;
992 unsigned long jtimeout;
994 /* Read EEPROM content */
995 for (i = 0; i < 6; i++) {
997 if (ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_SROM_ADDR,
1002 if (ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_SROM_CMD,
1006 jtimeout = jiffies + delay;
1008 ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_SROM_CMD,
1011 if (time_after(jiffies, jtimeout))
1014 } while (buf & EEP_BUSY);
1016 __ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_SROM_DATA_LOW,
1017 2, 2, &eeprom[i * 2]);
1019 if ((i == 0) && (eeprom[0] == 0xFF))
1023 csum = eeprom[6] + eeprom[7] + eeprom[8] + eeprom[9];
1024 csum = (csum >> 8) + (csum & 0xff);
1025 if ((csum + eeprom[10]) != 0xff)
1031 static int ax88179_check_efuse(struct usbnet *dev, u16 *ledmode)
1037 if (ax88179_read_cmd(dev, AX_ACCESS_EFUS, 0, 64, 64, efuse) < 0)
1043 for (i = 0; i < 64; i++)
1044 csum = csum + efuse[i];
1047 csum = (csum & 0x00FF) + ((csum >> 8) & 0x00FF);
1052 *ledmode = (efuse[51] << 8) | efuse[52];
1057 static int ax88179_convert_old_led(struct usbnet *dev, u16 *ledvalue)
1061 /* Loaded the old eFuse LED Mode */
1062 if (ax88179_read_cmd(dev, AX_ACCESS_EEPROM, 0x3C, 1, 2, &led) < 0)
1068 led = LED0_ACTIVE | LED1_LINK_10 | LED1_LINK_100 |
1069 LED1_LINK_1000 | LED2_ACTIVE | LED2_LINK_10 |
1070 LED2_LINK_100 | LED2_LINK_1000 | LED_VALID;
1073 led = LED0_ACTIVE | LED1_LINK_1000 | LED2_LINK_100 | LED_VALID;
1076 led = LED0_ACTIVE | LED1_LINK_1000 | LED2_LINK_100 |
1077 LED2_LINK_10 | LED_VALID;
1080 led = LED0_ACTIVE | LED1_ACTIVE | LED1_LINK_1000 | LED2_ACTIVE |
1081 LED2_LINK_100 | LED2_LINK_10 | LED_VALID;
1084 led = LED0_ACTIVE | LED1_LINK_10 | LED1_LINK_100 |
1085 LED1_LINK_1000 | LED2_ACTIVE | LED2_LINK_10 |
1086 LED2_LINK_100 | LED2_LINK_1000 | LED_VALID;
1095 static int ax88179_led_setting(struct usbnet *dev)
1097 u8 ledfd, value = 0;
1098 u16 tmp, ledact, ledlink, ledvalue = 0, delay = HZ / 10;
1099 unsigned long jtimeout;
1101 /* Check AX88179 version. UA1 or UA2*/
1102 ax88179_read_cmd(dev, AX_ACCESS_MAC, GENERAL_STATUS, 1, 1, &value);
1104 if (!(value & AX_SECLD)) { /* UA1 */
1105 value = AX_GPIO_CTRL_GPIO3EN | AX_GPIO_CTRL_GPIO2EN |
1106 AX_GPIO_CTRL_GPIO1EN;
1107 if (ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_GPIO_CTRL,
1113 if (!ax88179_check_eeprom(dev)) {
1115 if (ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_SROM_ADDR,
1120 if (ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_SROM_CMD,
1124 jtimeout = jiffies + delay;
1126 ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_SROM_CMD,
1129 if (time_after(jiffies, jtimeout))
1132 } while (value & EEP_BUSY);
1134 ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_SROM_DATA_HIGH,
1136 ledvalue = (value << 8);
1138 ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_SROM_DATA_LOW,
1142 /* load internal ROM for defaule setting */
1143 if ((ledvalue == 0xFFFF) || ((ledvalue & LED_VALID) == 0))
1144 ax88179_convert_old_led(dev, &ledvalue);
1146 } else if (!ax88179_check_efuse(dev, &ledvalue)) {
1147 if ((ledvalue == 0xFFFF) || ((ledvalue & LED_VALID) == 0))
1148 ax88179_convert_old_led(dev, &ledvalue);
1150 ax88179_convert_old_led(dev, &ledvalue);
1153 tmp = GMII_PHY_PGSEL_EXT;
1154 ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1155 GMII_PHY_PAGE_SELECT, 2, &tmp);
1158 ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1159 GMII_PHYPAGE, 2, &tmp);
1161 ax88179_read_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1162 GMII_LED_ACT, 2, &ledact);
1164 ax88179_read_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1165 GMII_LED_LINK, 2, &ledlink);
1167 ledact &= GMII_LED_ACTIVE_MASK;
1168 ledlink &= GMII_LED_LINK_MASK;
1170 if (ledvalue & LED0_ACTIVE)
1171 ledact |= GMII_LED0_ACTIVE;
1173 if (ledvalue & LED1_ACTIVE)
1174 ledact |= GMII_LED1_ACTIVE;
1176 if (ledvalue & LED2_ACTIVE)
1177 ledact |= GMII_LED2_ACTIVE;
1179 if (ledvalue & LED0_LINK_10)
1180 ledlink |= GMII_LED0_LINK_10;
1182 if (ledvalue & LED1_LINK_10)
1183 ledlink |= GMII_LED1_LINK_10;
1185 if (ledvalue & LED2_LINK_10)
1186 ledlink |= GMII_LED2_LINK_10;
1188 if (ledvalue & LED0_LINK_100)
1189 ledlink |= GMII_LED0_LINK_100;
1191 if (ledvalue & LED1_LINK_100)
1192 ledlink |= GMII_LED1_LINK_100;
1194 if (ledvalue & LED2_LINK_100)
1195 ledlink |= GMII_LED2_LINK_100;
1197 if (ledvalue & LED0_LINK_1000)
1198 ledlink |= GMII_LED0_LINK_1000;
1200 if (ledvalue & LED1_LINK_1000)
1201 ledlink |= GMII_LED1_LINK_1000;
1203 if (ledvalue & LED2_LINK_1000)
1204 ledlink |= GMII_LED2_LINK_1000;
1207 ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1208 GMII_LED_ACT, 2, &tmp);
1211 ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1212 GMII_LED_LINK, 2, &tmp);
1214 tmp = GMII_PHY_PGSEL_PAGE0;
1215 ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1216 GMII_PHY_PAGE_SELECT, 2, &tmp);
1218 /* LED full duplex setting */
1220 if (ledvalue & LED0_FD)
1222 else if ((ledvalue & LED0_USB3_MASK) == 0)
1225 if (ledvalue & LED1_FD)
1227 else if ((ledvalue & LED1_USB3_MASK) == 0)
1230 if (ledvalue & LED2_FD)
1232 else if ((ledvalue & LED2_USB3_MASK) == 0)
1235 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_LEDCTRL, 1, 1, &ledfd);
1240 static void ax88179_get_mac_addr(struct usbnet *dev)
1244 memset(mac, 0, sizeof(mac));
1246 /* Maybe the boot loader passed the MAC address via device tree */
1247 if (!eth_platform_get_mac_address(&dev->udev->dev, mac)) {
1248 netif_dbg(dev, ifup, dev->net,
1249 "MAC address read from device tree");
1251 ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_NODE_ID, ETH_ALEN,
1253 netif_dbg(dev, ifup, dev->net,
1254 "MAC address read from ASIX chip");
1257 if (is_valid_ether_addr(mac)) {
1258 eth_hw_addr_set(dev->net, mac);
1260 netdev_info(dev->net, "invalid MAC address, using random\n");
1261 eth_hw_addr_random(dev->net);
1264 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_NODE_ID, ETH_ALEN, ETH_ALEN,
1265 dev->net->dev_addr);
1268 static int ax88179_bind(struct usbnet *dev, struct usb_interface *intf)
1270 struct ax88179_data *ax179_data;
1272 usbnet_get_endpoints(dev, intf);
1274 ax179_data = kzalloc(sizeof(*ax179_data), GFP_KERNEL);
1278 dev->driver_priv = ax179_data;
1280 dev->net->netdev_ops = &ax88179_netdev_ops;
1281 dev->net->ethtool_ops = &ax88179_ethtool_ops;
1282 dev->net->needed_headroom = 8;
1283 dev->net->max_mtu = 4088;
1285 /* Initialize MII structure */
1286 dev->mii.dev = dev->net;
1287 dev->mii.mdio_read = ax88179_mdio_read;
1288 dev->mii.mdio_write = ax88179_mdio_write;
1289 dev->mii.phy_id_mask = 0xff;
1290 dev->mii.reg_num_mask = 0xff;
1291 dev->mii.phy_id = 0x03;
1292 dev->mii.supports_gmii = 1;
1294 dev->net->features |= NETIF_F_SG | NETIF_F_IP_CSUM |
1295 NETIF_F_IPV6_CSUM | NETIF_F_RXCSUM | NETIF_F_TSO;
1297 dev->net->hw_features |= dev->net->features;
1299 netif_set_tso_max_size(dev->net, 16384);
1306 static void ax88179_unbind(struct usbnet *dev, struct usb_interface *intf)
1308 struct ax88179_data *ax179_data = dev->driver_priv;
1311 /* Configure RX control register => stop operation */
1312 tmp16 = AX_RX_CTL_STOP;
1313 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2, &tmp16);
1316 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, &tmp16);
1318 /* Power down ethernet PHY */
1320 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, &tmp16);
1326 ax88179_rx_checksum(struct sk_buff *skb, u32 *pkt_hdr)
1328 skb->ip_summed = CHECKSUM_NONE;
1330 /* checksum error bit is set */
1331 if ((*pkt_hdr & AX_RXHDR_L3CSUM_ERR) ||
1332 (*pkt_hdr & AX_RXHDR_L4CSUM_ERR))
1335 /* It must be a TCP or UDP packet with a valid checksum */
1336 if (((*pkt_hdr & AX_RXHDR_L4_TYPE_MASK) == AX_RXHDR_L4_TYPE_TCP) ||
1337 ((*pkt_hdr & AX_RXHDR_L4_TYPE_MASK) == AX_RXHDR_L4_TYPE_UDP))
1338 skb->ip_summed = CHECKSUM_UNNECESSARY;
1341 static int ax88179_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
1343 struct sk_buff *ax_skb;
1349 /* At the end of the SKB, there's a header telling us how many packets
1350 * are bundled into this buffer and where we can find an array of
1351 * per-packet metadata (which contains elements encoded into u16).
1354 /* SKB contents for current firmware:
1355 * <packet 1> <padding>
1357 * <packet N> <padding>
1358 * <per-packet metadata entry 1> <dummy header>
1360 * <per-packet metadata entry N> <dummy header>
1361 * <padding2> <rx_hdr>
1364 * <packet N> contains pkt_len bytes:
1365 * 2 bytes of IP alignment pseudo header
1367 * <per-packet metadata entry N> contains 4 bytes:
1368 * pkt_len and fields AX_RXHDR_*
1369 * <padding> 0-7 bytes to terminate at
1370 * 8 bytes boundary (64-bit).
1371 * <padding2> 4 bytes to make rx_hdr terminate at
1372 * 8 bytes boundary (64-bit)
1373 * <dummy-header> contains 4 bytes:
1374 * pkt_len=0 and AX_RXHDR_DROP_ERR
1375 * <rx-hdr> contains 4 bytes:
1376 * pkt_cnt and hdr_off (offset of
1377 * <per-packet metadata entry 1>)
1379 * pkt_cnt is number of entrys in the per-packet metadata.
1380 * In current firmware there is 2 entrys per packet.
1381 * The first points to the packet and the
1382 * second is a dummy header.
1383 * This was done probably to align fields in 64-bit and
1384 * maintain compatibility with old firmware.
1385 * This code assumes that <dummy header> and <padding2> are
1391 skb_trim(skb, skb->len - 4);
1392 rx_hdr = get_unaligned_le32(skb_tail_pointer(skb));
1393 pkt_cnt = (u16)rx_hdr;
1394 hdr_off = (u16)(rx_hdr >> 16);
1399 /* Make sure that the bounds of the metadata array are inside the SKB
1400 * (and in front of the counter at the end).
1402 if (pkt_cnt * 4 + hdr_off > skb->len)
1404 pkt_hdr = (u32 *)(skb->data + hdr_off);
1406 /* Packets must not overlap the metadata array */
1407 skb_trim(skb, hdr_off);
1409 for (; pkt_cnt > 0; pkt_cnt--, pkt_hdr++) {
1410 u16 pkt_len_plus_padd;
1413 le32_to_cpus(pkt_hdr);
1414 pkt_len = (*pkt_hdr >> 16) & 0x1fff;
1415 pkt_len_plus_padd = (pkt_len + 7) & 0xfff8;
1417 /* Skip dummy header used for alignment
1422 if (pkt_len_plus_padd > skb->len)
1425 /* Check CRC or runt packet */
1426 if ((*pkt_hdr & (AX_RXHDR_CRC_ERR | AX_RXHDR_DROP_ERR)) ||
1427 pkt_len < 2 + ETH_HLEN) {
1428 dev->net->stats.rx_errors++;
1429 skb_pull(skb, pkt_len_plus_padd);
1434 if (pkt_len_plus_padd == skb->len) {
1435 skb_trim(skb, pkt_len);
1437 /* Skip IP alignment pseudo header */
1440 skb->truesize = SKB_TRUESIZE(pkt_len_plus_padd);
1441 ax88179_rx_checksum(skb, pkt_hdr);
1445 ax_skb = skb_clone(skb, GFP_ATOMIC);
1448 skb_trim(ax_skb, pkt_len);
1450 /* Skip IP alignment pseudo header */
1451 skb_pull(ax_skb, 2);
1453 skb->truesize = pkt_len_plus_padd +
1454 SKB_DATA_ALIGN(sizeof(struct sk_buff));
1455 ax88179_rx_checksum(ax_skb, pkt_hdr);
1456 usbnet_skb_return(dev, ax_skb);
1458 skb_pull(skb, pkt_len_plus_padd);
1464 static struct sk_buff *
1465 ax88179_tx_fixup(struct usbnet *dev, struct sk_buff *skb, gfp_t flags)
1467 u32 tx_hdr1, tx_hdr2;
1468 int frame_size = dev->maxpacket;
1473 tx_hdr2 = skb_shinfo(skb)->gso_size; /* Set TSO mss */
1474 if (((skb->len + 8) % frame_size) == 0)
1475 tx_hdr2 |= 0x80008000; /* Enable padding */
1477 headroom = skb_headroom(skb) - 8;
1479 if ((dev->net->features & NETIF_F_SG) && skb_linearize(skb))
1482 if ((skb_header_cloned(skb) || headroom < 0) &&
1483 pskb_expand_head(skb, headroom < 0 ? 8 : 0, 0, GFP_ATOMIC)) {
1484 dev_kfree_skb_any(skb);
1488 ptr = skb_push(skb, 8);
1489 put_unaligned_le32(tx_hdr1, ptr);
1490 put_unaligned_le32(tx_hdr2, ptr + 4);
1492 usbnet_set_skb_tx_stats(skb, (skb_shinfo(skb)->gso_segs ?: 1), 0);
1497 static int ax88179_link_reset(struct usbnet *dev)
1499 struct ax88179_data *ax179_data = dev->driver_priv;
1500 u8 tmp[5], link_sts;
1501 u16 mode, tmp16, delay = HZ / 10;
1502 u32 tmp32 = 0x40000000;
1503 unsigned long jtimeout;
1505 jtimeout = jiffies + delay;
1506 while (tmp32 & 0x40000000) {
1508 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2, &mode);
1509 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2,
1510 &ax179_data->rxctl);
1512 /*link up, check the usb device control TX FIFO full or empty*/
1513 ax88179_read_cmd(dev, 0x81, 0x8c, 0, 4, &tmp32);
1515 if (time_after(jiffies, jtimeout))
1519 mode = AX_MEDIUM_RECEIVE_EN | AX_MEDIUM_TXFLOW_CTRLEN |
1520 AX_MEDIUM_RXFLOW_CTRLEN;
1522 ax88179_read_cmd(dev, AX_ACCESS_MAC, PHYSICAL_LINK_STATUS,
1525 ax88179_read_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1526 GMII_PHY_PHYSR, 2, &tmp16);
1528 if (!(tmp16 & GMII_PHY_PHYSR_LINK)) {
1530 } else if (GMII_PHY_PHYSR_GIGA == (tmp16 & GMII_PHY_PHYSR_SMASK)) {
1531 mode |= AX_MEDIUM_GIGAMODE | AX_MEDIUM_EN_125MHZ;
1532 if (dev->net->mtu > 1500)
1533 mode |= AX_MEDIUM_JUMBO_EN;
1535 if (link_sts & AX_USB_SS)
1536 memcpy(tmp, &AX88179_BULKIN_SIZE[0], 5);
1537 else if (link_sts & AX_USB_HS)
1538 memcpy(tmp, &AX88179_BULKIN_SIZE[1], 5);
1540 memcpy(tmp, &AX88179_BULKIN_SIZE[3], 5);
1541 } else if (GMII_PHY_PHYSR_100 == (tmp16 & GMII_PHY_PHYSR_SMASK)) {
1542 mode |= AX_MEDIUM_PS;
1544 if (link_sts & (AX_USB_SS | AX_USB_HS))
1545 memcpy(tmp, &AX88179_BULKIN_SIZE[2], 5);
1547 memcpy(tmp, &AX88179_BULKIN_SIZE[3], 5);
1549 memcpy(tmp, &AX88179_BULKIN_SIZE[3], 5);
1552 /* RX bulk configuration */
1553 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_BULKIN_QCTRL, 5, 5, tmp);
1555 dev->rx_urb_size = (1024 * (tmp[3] + 2));
1557 if (tmp16 & GMII_PHY_PHYSR_FULL)
1558 mode |= AX_MEDIUM_FULL_DUPLEX;
1559 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
1562 ax179_data->eee_enabled = ax88179_chk_eee(dev);
1564 netif_carrier_on(dev->net);
1569 static int ax88179_reset(struct usbnet *dev)
1574 struct ax88179_data *ax179_data = dev->driver_priv;
1575 struct ethtool_eee eee_data;
1580 /* Power up ethernet PHY */
1582 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, tmp16);
1584 *tmp16 = AX_PHYPWR_RSTCTL_IPRL;
1585 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, tmp16);
1588 *tmp = AX_CLK_SELECT_ACS | AX_CLK_SELECT_BCS;
1589 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, tmp);
1592 /* Ethernet PHY Auto Detach*/
1593 ax88179_auto_detach(dev);
1595 /* Read MAC address from DTB or asix chip */
1596 ax88179_get_mac_addr(dev);
1597 memcpy(dev->net->perm_addr, dev->net->dev_addr, ETH_ALEN);
1599 /* RX bulk configuration */
1600 memcpy(tmp, &AX88179_BULKIN_SIZE[0], 5);
1601 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_BULKIN_QCTRL, 5, 5, tmp);
1603 dev->rx_urb_size = 1024 * 20;
1606 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PAUSE_WATERLVL_LOW, 1, 1, tmp);
1609 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PAUSE_WATERLVL_HIGH,
1612 /* Enable checksum offload */
1613 *tmp = AX_RXCOE_IP | AX_RXCOE_TCP | AX_RXCOE_UDP |
1614 AX_RXCOE_TCPV6 | AX_RXCOE_UDPV6;
1615 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RXCOE_CTL, 1, 1, tmp);
1617 *tmp = AX_TXCOE_IP | AX_TXCOE_TCP | AX_TXCOE_UDP |
1618 AX_TXCOE_TCPV6 | AX_TXCOE_UDPV6;
1619 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_TXCOE_CTL, 1, 1, tmp);
1621 /* Configure RX control register => start operation */
1622 *tmp16 = AX_RX_CTL_DROPCRCERR | AX_RX_CTL_IPE | AX_RX_CTL_START |
1623 AX_RX_CTL_AP | AX_RX_CTL_AMALL | AX_RX_CTL_AB;
1624 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2, tmp16);
1626 *tmp = AX_MONITOR_MODE_PMETYPE | AX_MONITOR_MODE_PMEPOL |
1627 AX_MONITOR_MODE_RWMP;
1628 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MONITOR_MOD, 1, 1, tmp);
1630 /* Configure default medium type => giga */
1631 *tmp16 = AX_MEDIUM_RECEIVE_EN | AX_MEDIUM_TXFLOW_CTRLEN |
1632 AX_MEDIUM_RXFLOW_CTRLEN | AX_MEDIUM_FULL_DUPLEX |
1634 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
1637 /* Check if WoL is supported */
1638 ax179_data->wol_supported = 0;
1639 if (ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_MONITOR_MOD,
1641 ax179_data->wol_supported = WAKE_MAGIC | WAKE_PHY;
1643 ax88179_led_setting(dev);
1645 ax179_data->eee_enabled = 0;
1646 ax179_data->eee_active = 0;
1648 ax88179_disable_eee(dev);
1650 ax88179_ethtool_get_eee(dev, &eee_data);
1651 eee_data.advertised = 0;
1652 ax88179_ethtool_set_eee(dev, &eee_data);
1654 /* Restart autoneg */
1655 mii_nway_restart(&dev->mii);
1657 usbnet_link_change(dev, 0, 0);
1662 static int ax88179_stop(struct usbnet *dev)
1666 ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
1668 tmp16 &= ~AX_MEDIUM_RECEIVE_EN;
1669 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
1675 static const struct driver_info ax88179_info = {
1676 .description = "ASIX AX88179 USB 3.0 Gigabit Ethernet",
1677 .bind = ax88179_bind,
1678 .unbind = ax88179_unbind,
1679 .status = ax88179_status,
1680 .link_reset = ax88179_link_reset,
1681 .reset = ax88179_reset,
1682 .stop = ax88179_stop,
1683 .flags = FLAG_ETHER | FLAG_FRAMING_AX,
1684 .rx_fixup = ax88179_rx_fixup,
1685 .tx_fixup = ax88179_tx_fixup,
1688 static const struct driver_info ax88178a_info = {
1689 .description = "ASIX AX88178A USB 2.0 Gigabit Ethernet",
1690 .bind = ax88179_bind,
1691 .unbind = ax88179_unbind,
1692 .status = ax88179_status,
1693 .link_reset = ax88179_link_reset,
1694 .reset = ax88179_reset,
1695 .stop = ax88179_stop,
1696 .flags = FLAG_ETHER | FLAG_FRAMING_AX,
1697 .rx_fixup = ax88179_rx_fixup,
1698 .tx_fixup = ax88179_tx_fixup,
1701 static const struct driver_info cypress_GX3_info = {
1702 .description = "Cypress GX3 SuperSpeed to Gigabit Ethernet Controller",
1703 .bind = ax88179_bind,
1704 .unbind = ax88179_unbind,
1705 .status = ax88179_status,
1706 .link_reset = ax88179_link_reset,
1707 .reset = ax88179_reset,
1708 .stop = ax88179_stop,
1709 .flags = FLAG_ETHER | FLAG_FRAMING_AX,
1710 .rx_fixup = ax88179_rx_fixup,
1711 .tx_fixup = ax88179_tx_fixup,
1714 static const struct driver_info dlink_dub1312_info = {
1715 .description = "D-Link DUB-1312 USB 3.0 to Gigabit Ethernet Adapter",
1716 .bind = ax88179_bind,
1717 .unbind = ax88179_unbind,
1718 .status = ax88179_status,
1719 .link_reset = ax88179_link_reset,
1720 .reset = ax88179_reset,
1721 .stop = ax88179_stop,
1722 .flags = FLAG_ETHER | FLAG_FRAMING_AX,
1723 .rx_fixup = ax88179_rx_fixup,
1724 .tx_fixup = ax88179_tx_fixup,
1727 static const struct driver_info sitecom_info = {
1728 .description = "Sitecom USB 3.0 to Gigabit Adapter",
1729 .bind = ax88179_bind,
1730 .unbind = ax88179_unbind,
1731 .status = ax88179_status,
1732 .link_reset = ax88179_link_reset,
1733 .reset = ax88179_reset,
1734 .stop = ax88179_stop,
1735 .flags = FLAG_ETHER | FLAG_FRAMING_AX,
1736 .rx_fixup = ax88179_rx_fixup,
1737 .tx_fixup = ax88179_tx_fixup,
1740 static const struct driver_info samsung_info = {
1741 .description = "Samsung USB Ethernet Adapter",
1742 .bind = ax88179_bind,
1743 .unbind = ax88179_unbind,
1744 .status = ax88179_status,
1745 .link_reset = ax88179_link_reset,
1746 .reset = ax88179_reset,
1747 .stop = ax88179_stop,
1748 .flags = FLAG_ETHER | FLAG_FRAMING_AX,
1749 .rx_fixup = ax88179_rx_fixup,
1750 .tx_fixup = ax88179_tx_fixup,
1753 static const struct driver_info lenovo_info = {
1754 .description = "Lenovo OneLinkDock Gigabit LAN",
1755 .bind = ax88179_bind,
1756 .unbind = ax88179_unbind,
1757 .status = ax88179_status,
1758 .link_reset = ax88179_link_reset,
1759 .reset = ax88179_reset,
1760 .stop = ax88179_stop,
1761 .flags = FLAG_ETHER | FLAG_FRAMING_AX,
1762 .rx_fixup = ax88179_rx_fixup,
1763 .tx_fixup = ax88179_tx_fixup,
1766 static const struct driver_info belkin_info = {
1767 .description = "Belkin USB Ethernet Adapter",
1768 .bind = ax88179_bind,
1769 .unbind = ax88179_unbind,
1770 .status = ax88179_status,
1771 .link_reset = ax88179_link_reset,
1772 .reset = ax88179_reset,
1773 .stop = ax88179_stop,
1774 .flags = FLAG_ETHER | FLAG_FRAMING_AX,
1775 .rx_fixup = ax88179_rx_fixup,
1776 .tx_fixup = ax88179_tx_fixup,
1779 static const struct driver_info toshiba_info = {
1780 .description = "Toshiba USB Ethernet Adapter",
1781 .bind = ax88179_bind,
1782 .unbind = ax88179_unbind,
1783 .status = ax88179_status,
1784 .link_reset = ax88179_link_reset,
1785 .reset = ax88179_reset,
1786 .stop = ax88179_stop,
1787 .flags = FLAG_ETHER | FLAG_FRAMING_AX,
1788 .rx_fixup = ax88179_rx_fixup,
1789 .tx_fixup = ax88179_tx_fixup,
1792 static const struct driver_info mct_info = {
1793 .description = "MCT USB 3.0 Gigabit Ethernet Adapter",
1794 .bind = ax88179_bind,
1795 .unbind = ax88179_unbind,
1796 .status = ax88179_status,
1797 .link_reset = ax88179_link_reset,
1798 .reset = ax88179_reset,
1799 .stop = ax88179_stop,
1800 .flags = FLAG_ETHER | FLAG_FRAMING_AX,
1801 .rx_fixup = ax88179_rx_fixup,
1802 .tx_fixup = ax88179_tx_fixup,
1805 static const struct driver_info at_umc2000_info = {
1806 .description = "AT-UMC2000 USB 3.0/USB 3.1 Gen 1 to Gigabit Ethernet Adapter",
1807 .bind = ax88179_bind,
1808 .unbind = ax88179_unbind,
1809 .status = ax88179_status,
1810 .link_reset = ax88179_link_reset,
1811 .reset = ax88179_reset,
1812 .stop = ax88179_stop,
1813 .flags = FLAG_ETHER | FLAG_FRAMING_AX,
1814 .rx_fixup = ax88179_rx_fixup,
1815 .tx_fixup = ax88179_tx_fixup,
1818 static const struct driver_info at_umc200_info = {
1819 .description = "AT-UMC200 USB 3.0/USB 3.1 Gen 1 to Fast Ethernet Adapter",
1820 .bind = ax88179_bind,
1821 .unbind = ax88179_unbind,
1822 .status = ax88179_status,
1823 .link_reset = ax88179_link_reset,
1824 .reset = ax88179_reset,
1825 .stop = ax88179_stop,
1826 .flags = FLAG_ETHER | FLAG_FRAMING_AX,
1827 .rx_fixup = ax88179_rx_fixup,
1828 .tx_fixup = ax88179_tx_fixup,
1831 static const struct driver_info at_umc2000sp_info = {
1832 .description = "AT-UMC2000/SP USB 3.0/USB 3.1 Gen 1 to Gigabit Ethernet Adapter",
1833 .bind = ax88179_bind,
1834 .unbind = ax88179_unbind,
1835 .status = ax88179_status,
1836 .link_reset = ax88179_link_reset,
1837 .reset = ax88179_reset,
1838 .stop = ax88179_stop,
1839 .flags = FLAG_ETHER | FLAG_FRAMING_AX,
1840 .rx_fixup = ax88179_rx_fixup,
1841 .tx_fixup = ax88179_tx_fixup,
1844 static const struct usb_device_id products[] = {
1846 /* ASIX AX88179 10/100/1000 */
1847 USB_DEVICE_AND_INTERFACE_INFO(0x0b95, 0x1790, 0xff, 0xff, 0),
1848 .driver_info = (unsigned long)&ax88179_info,
1850 /* ASIX AX88178A 10/100/1000 */
1851 USB_DEVICE_AND_INTERFACE_INFO(0x0b95, 0x178a, 0xff, 0xff, 0),
1852 .driver_info = (unsigned long)&ax88178a_info,
1854 /* Cypress GX3 SuperSpeed to Gigabit Ethernet Bridge Controller */
1855 USB_DEVICE_AND_INTERFACE_INFO(0x04b4, 0x3610, 0xff, 0xff, 0),
1856 .driver_info = (unsigned long)&cypress_GX3_info,
1858 /* D-Link DUB-1312 USB 3.0 to Gigabit Ethernet Adapter */
1859 USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x4a00, 0xff, 0xff, 0),
1860 .driver_info = (unsigned long)&dlink_dub1312_info,
1862 /* Sitecom USB 3.0 to Gigabit Adapter */
1863 USB_DEVICE_AND_INTERFACE_INFO(0x0df6, 0x0072, 0xff, 0xff, 0),
1864 .driver_info = (unsigned long)&sitecom_info,
1866 /* Samsung USB Ethernet Adapter */
1867 USB_DEVICE_AND_INTERFACE_INFO(0x04e8, 0xa100, 0xff, 0xff, 0),
1868 .driver_info = (unsigned long)&samsung_info,
1870 /* Lenovo OneLinkDock Gigabit LAN */
1871 USB_DEVICE_AND_INTERFACE_INFO(0x17ef, 0x304b, 0xff, 0xff, 0),
1872 .driver_info = (unsigned long)&lenovo_info,
1874 /* Belkin B2B128 USB 3.0 Hub + Gigabit Ethernet Adapter */
1875 USB_DEVICE_AND_INTERFACE_INFO(0x050d, 0x0128, 0xff, 0xff, 0),
1876 .driver_info = (unsigned long)&belkin_info,
1878 /* Toshiba USB 3.0 GBit Ethernet Adapter */
1879 USB_DEVICE_AND_INTERFACE_INFO(0x0930, 0x0a13, 0xff, 0xff, 0),
1880 .driver_info = (unsigned long)&toshiba_info,
1882 /* Magic Control Technology U3-A9003 USB 3.0 Gigabit Ethernet Adapter */
1883 USB_DEVICE_AND_INTERFACE_INFO(0x0711, 0x0179, 0xff, 0xff, 0),
1884 .driver_info = (unsigned long)&mct_info,
1886 /* Allied Telesis AT-UMC2000 USB 3.0/USB 3.1 Gen 1 to Gigabit Ethernet Adapter */
1887 USB_DEVICE_AND_INTERFACE_INFO(0x07c9, 0x000e, 0xff, 0xff, 0),
1888 .driver_info = (unsigned long)&at_umc2000_info,
1890 /* Allied Telesis AT-UMC200 USB 3.0/USB 3.1 Gen 1 to Fast Ethernet Adapter */
1891 USB_DEVICE_AND_INTERFACE_INFO(0x07c9, 0x000f, 0xff, 0xff, 0),
1892 .driver_info = (unsigned long)&at_umc200_info,
1894 /* Allied Telesis AT-UMC2000/SP USB 3.0/USB 3.1 Gen 1 to Gigabit Ethernet Adapter */
1895 USB_DEVICE_AND_INTERFACE_INFO(0x07c9, 0x0010, 0xff, 0xff, 0),
1896 .driver_info = (unsigned long)&at_umc2000sp_info,
1900 MODULE_DEVICE_TABLE(usb, products);
1902 static struct usb_driver ax88179_178a_driver = {
1903 .name = "ax88179_178a",
1904 .id_table = products,
1905 .probe = usbnet_probe,
1906 .suspend = ax88179_suspend,
1907 .resume = ax88179_resume,
1908 .reset_resume = ax88179_resume,
1909 .disconnect = usbnet_disconnect,
1910 .supports_autosuspend = 1,
1911 .disable_hub_initiated_lpm = 1,
1914 module_usb_driver(ax88179_178a_driver);
1916 MODULE_DESCRIPTION("ASIX AX88179/178A based USB 3.0/2.0 Gigabit Ethernet Devices");
1917 MODULE_LICENSE("GPL");