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
;
942 if (netif_running(net
))
944 if (!is_valid_ether_addr(addr
->sa_data
))
945 return -EADDRNOTAVAIL
;
947 memcpy(net
->dev_addr
, addr
->sa_data
, ETH_ALEN
);
949 /* Set the MAC address */
950 ret
= ax88179_write_cmd(dev
, AX_ACCESS_MAC
, AX_NODE_ID
, ETH_ALEN
,
951 ETH_ALEN
, net
->dev_addr
);
958 static const struct net_device_ops ax88179_netdev_ops
= {
959 .ndo_open
= usbnet_open
,
960 .ndo_stop
= usbnet_stop
,
961 .ndo_start_xmit
= usbnet_start_xmit
,
962 .ndo_tx_timeout
= usbnet_tx_timeout
,
963 .ndo_change_mtu
= ax88179_change_mtu
,
964 .ndo_set_mac_address
= ax88179_set_mac_addr
,
965 .ndo_validate_addr
= eth_validate_addr
,
966 .ndo_do_ioctl
= ax88179_ioctl
,
967 .ndo_set_rx_mode
= ax88179_set_multicast
,
968 .ndo_set_features
= ax88179_set_features
,
971 static int ax88179_check_eeprom(struct usbnet
*dev
)
973 u8 i
, buf
, eeprom
[20];
974 u16 csum
, delay
= HZ
/ 10;
975 unsigned long jtimeout
;
977 /* Read EEPROM content */
978 for (i
= 0; i
< 6; i
++) {
980 if (ax88179_write_cmd(dev
, AX_ACCESS_MAC
, AX_SROM_ADDR
,
985 if (ax88179_write_cmd(dev
, AX_ACCESS_MAC
, AX_SROM_CMD
,
989 jtimeout
= jiffies
+ delay
;
991 ax88179_read_cmd(dev
, AX_ACCESS_MAC
, AX_SROM_CMD
,
994 if (time_after(jiffies
, jtimeout
))
997 } while (buf
& EEP_BUSY
);
999 __ax88179_read_cmd(dev
, AX_ACCESS_MAC
, AX_SROM_DATA_LOW
,
1000 2, 2, &eeprom
[i
* 2], 0);
1002 if ((i
== 0) && (eeprom
[0] == 0xFF))
1006 csum
= eeprom
[6] + eeprom
[7] + eeprom
[8] + eeprom
[9];
1007 csum
= (csum
>> 8) + (csum
& 0xff);
1008 if ((csum
+ eeprom
[10]) != 0xff)
1014 static int ax88179_check_efuse(struct usbnet
*dev
, u16
*ledmode
)
1020 if (ax88179_read_cmd(dev
, AX_ACCESS_EFUS
, 0, 64, 64, efuse
) < 0)
1026 for (i
= 0; i
< 64; i
++)
1027 csum
= csum
+ efuse
[i
];
1030 csum
= (csum
& 0x00FF) + ((csum
>> 8) & 0x00FF);
1035 *ledmode
= (efuse
[51] << 8) | efuse
[52];
1040 static int ax88179_convert_old_led(struct usbnet
*dev
, u16
*ledvalue
)
1044 /* Loaded the old eFuse LED Mode */
1045 if (ax88179_read_cmd(dev
, AX_ACCESS_EEPROM
, 0x3C, 1, 2, &led
) < 0)
1051 led
= LED0_ACTIVE
| LED1_LINK_10
| LED1_LINK_100
|
1052 LED1_LINK_1000
| LED2_ACTIVE
| LED2_LINK_10
|
1053 LED2_LINK_100
| LED2_LINK_1000
| LED_VALID
;
1056 led
= LED0_ACTIVE
| LED1_LINK_1000
| LED2_LINK_100
| LED_VALID
;
1059 led
= LED0_ACTIVE
| LED1_LINK_1000
| LED2_LINK_100
|
1060 LED2_LINK_10
| LED_VALID
;
1063 led
= LED0_ACTIVE
| LED1_ACTIVE
| LED1_LINK_1000
| LED2_ACTIVE
|
1064 LED2_LINK_100
| LED2_LINK_10
| LED_VALID
;
1067 led
= LED0_ACTIVE
| LED1_LINK_10
| LED1_LINK_100
|
1068 LED1_LINK_1000
| LED2_ACTIVE
| LED2_LINK_10
|
1069 LED2_LINK_100
| LED2_LINK_1000
| LED_VALID
;
1078 static int ax88179_led_setting(struct usbnet
*dev
)
1080 u8 ledfd
, value
= 0;
1081 u16 tmp
, ledact
, ledlink
, ledvalue
= 0, delay
= HZ
/ 10;
1082 unsigned long jtimeout
;
1084 /* Check AX88179 version. UA1 or UA2*/
1085 ax88179_read_cmd(dev
, AX_ACCESS_MAC
, GENERAL_STATUS
, 1, 1, &value
);
1087 if (!(value
& AX_SECLD
)) { /* UA1 */
1088 value
= AX_GPIO_CTRL_GPIO3EN
| AX_GPIO_CTRL_GPIO2EN
|
1089 AX_GPIO_CTRL_GPIO1EN
;
1090 if (ax88179_write_cmd(dev
, AX_ACCESS_MAC
, AX_GPIO_CTRL
,
1096 if (!ax88179_check_eeprom(dev
)) {
1098 if (ax88179_write_cmd(dev
, AX_ACCESS_MAC
, AX_SROM_ADDR
,
1103 if (ax88179_write_cmd(dev
, AX_ACCESS_MAC
, AX_SROM_CMD
,
1107 jtimeout
= jiffies
+ delay
;
1109 ax88179_read_cmd(dev
, AX_ACCESS_MAC
, AX_SROM_CMD
,
1112 if (time_after(jiffies
, jtimeout
))
1115 } while (value
& EEP_BUSY
);
1117 ax88179_read_cmd(dev
, AX_ACCESS_MAC
, AX_SROM_DATA_HIGH
,
1119 ledvalue
= (value
<< 8);
1121 ax88179_read_cmd(dev
, AX_ACCESS_MAC
, AX_SROM_DATA_LOW
,
1125 /* load internal ROM for defaule setting */
1126 if ((ledvalue
== 0xFFFF) || ((ledvalue
& LED_VALID
) == 0))
1127 ax88179_convert_old_led(dev
, &ledvalue
);
1129 } else if (!ax88179_check_efuse(dev
, &ledvalue
)) {
1130 if ((ledvalue
== 0xFFFF) || ((ledvalue
& LED_VALID
) == 0))
1131 ax88179_convert_old_led(dev
, &ledvalue
);
1133 ax88179_convert_old_led(dev
, &ledvalue
);
1136 tmp
= GMII_PHY_PGSEL_EXT
;
1137 ax88179_write_cmd(dev
, AX_ACCESS_PHY
, AX88179_PHY_ID
,
1138 GMII_PHY_PAGE_SELECT
, 2, &tmp
);
1141 ax88179_write_cmd(dev
, AX_ACCESS_PHY
, AX88179_PHY_ID
,
1142 GMII_PHYPAGE
, 2, &tmp
);
1144 ax88179_read_cmd(dev
, AX_ACCESS_PHY
, AX88179_PHY_ID
,
1145 GMII_LED_ACT
, 2, &ledact
);
1147 ax88179_read_cmd(dev
, AX_ACCESS_PHY
, AX88179_PHY_ID
,
1148 GMII_LED_LINK
, 2, &ledlink
);
1150 ledact
&= GMII_LED_ACTIVE_MASK
;
1151 ledlink
&= GMII_LED_LINK_MASK
;
1153 if (ledvalue
& LED0_ACTIVE
)
1154 ledact
|= GMII_LED0_ACTIVE
;
1156 if (ledvalue
& LED1_ACTIVE
)
1157 ledact
|= GMII_LED1_ACTIVE
;
1159 if (ledvalue
& LED2_ACTIVE
)
1160 ledact
|= GMII_LED2_ACTIVE
;
1162 if (ledvalue
& LED0_LINK_10
)
1163 ledlink
|= GMII_LED0_LINK_10
;
1165 if (ledvalue
& LED1_LINK_10
)
1166 ledlink
|= GMII_LED1_LINK_10
;
1168 if (ledvalue
& LED2_LINK_10
)
1169 ledlink
|= GMII_LED2_LINK_10
;
1171 if (ledvalue
& LED0_LINK_100
)
1172 ledlink
|= GMII_LED0_LINK_100
;
1174 if (ledvalue
& LED1_LINK_100
)
1175 ledlink
|= GMII_LED1_LINK_100
;
1177 if (ledvalue
& LED2_LINK_100
)
1178 ledlink
|= GMII_LED2_LINK_100
;
1180 if (ledvalue
& LED0_LINK_1000
)
1181 ledlink
|= GMII_LED0_LINK_1000
;
1183 if (ledvalue
& LED1_LINK_1000
)
1184 ledlink
|= GMII_LED1_LINK_1000
;
1186 if (ledvalue
& LED2_LINK_1000
)
1187 ledlink
|= GMII_LED2_LINK_1000
;
1190 ax88179_write_cmd(dev
, AX_ACCESS_PHY
, AX88179_PHY_ID
,
1191 GMII_LED_ACT
, 2, &tmp
);
1194 ax88179_write_cmd(dev
, AX_ACCESS_PHY
, AX88179_PHY_ID
,
1195 GMII_LED_LINK
, 2, &tmp
);
1197 tmp
= GMII_PHY_PGSEL_PAGE0
;
1198 ax88179_write_cmd(dev
, AX_ACCESS_PHY
, AX88179_PHY_ID
,
1199 GMII_PHY_PAGE_SELECT
, 2, &tmp
);
1201 /* LED full duplex setting */
1203 if (ledvalue
& LED0_FD
)
1205 else if ((ledvalue
& LED0_USB3_MASK
) == 0)
1208 if (ledvalue
& LED1_FD
)
1210 else if ((ledvalue
& LED1_USB3_MASK
) == 0)
1213 if (ledvalue
& LED2_FD
)
1215 else if ((ledvalue
& LED2_USB3_MASK
) == 0)
1218 ax88179_write_cmd(dev
, AX_ACCESS_MAC
, AX_LEDCTRL
, 1, 1, &ledfd
);
1223 static int ax88179_bind(struct usbnet
*dev
, struct usb_interface
*intf
)
1228 struct ax88179_data
*ax179_data
= (struct ax88179_data
*)dev
->data
;
1229 struct ethtool_eee eee_data
;
1231 usbnet_get_endpoints(dev
, intf
);
1236 memset(ax179_data
, 0, sizeof(*ax179_data
));
1238 /* Power up ethernet PHY */
1240 ax88179_write_cmd(dev
, AX_ACCESS_MAC
, AX_PHYPWR_RSTCTL
, 2, 2, tmp16
);
1241 *tmp16
= AX_PHYPWR_RSTCTL_IPRL
;
1242 ax88179_write_cmd(dev
, AX_ACCESS_MAC
, AX_PHYPWR_RSTCTL
, 2, 2, tmp16
);
1245 *tmp
= AX_CLK_SELECT_ACS
| AX_CLK_SELECT_BCS
;
1246 ax88179_write_cmd(dev
, AX_ACCESS_MAC
, AX_CLK_SELECT
, 1, 1, tmp
);
1249 ax88179_read_cmd(dev
, AX_ACCESS_MAC
, AX_NODE_ID
, ETH_ALEN
,
1250 ETH_ALEN
, dev
->net
->dev_addr
);
1251 memcpy(dev
->net
->perm_addr
, dev
->net
->dev_addr
, ETH_ALEN
);
1253 /* RX bulk configuration */
1254 memcpy(tmp
, &AX88179_BULKIN_SIZE
[0], 5);
1255 ax88179_write_cmd(dev
, AX_ACCESS_MAC
, AX_RX_BULKIN_QCTRL
, 5, 5, tmp
);
1257 dev
->rx_urb_size
= 1024 * 20;
1260 ax88179_write_cmd(dev
, AX_ACCESS_MAC
, AX_PAUSE_WATERLVL_LOW
, 1, 1, tmp
);
1263 ax88179_write_cmd(dev
, AX_ACCESS_MAC
, AX_PAUSE_WATERLVL_HIGH
,
1266 dev
->net
->netdev_ops
= &ax88179_netdev_ops
;
1267 dev
->net
->ethtool_ops
= &ax88179_ethtool_ops
;
1268 dev
->net
->needed_headroom
= 8;
1270 /* Initialize MII structure */
1271 dev
->mii
.dev
= dev
->net
;
1272 dev
->mii
.mdio_read
= ax88179_mdio_read
;
1273 dev
->mii
.mdio_write
= ax88179_mdio_write
;
1274 dev
->mii
.phy_id_mask
= 0xff;
1275 dev
->mii
.reg_num_mask
= 0xff;
1276 dev
->mii
.phy_id
= 0x03;
1277 dev
->mii
.supports_gmii
= 1;
1279 dev
->net
->features
|= NETIF_F_IP_CSUM
| NETIF_F_IPV6_CSUM
|
1282 dev
->net
->hw_features
|= NETIF_F_IP_CSUM
| NETIF_F_IPV6_CSUM
|
1285 /* Enable checksum offload */
1286 *tmp
= AX_RXCOE_IP
| AX_RXCOE_TCP
| AX_RXCOE_UDP
|
1287 AX_RXCOE_TCPV6
| AX_RXCOE_UDPV6
;
1288 ax88179_write_cmd(dev
, AX_ACCESS_MAC
, AX_RXCOE_CTL
, 1, 1, tmp
);
1290 *tmp
= AX_TXCOE_IP
| AX_TXCOE_TCP
| AX_TXCOE_UDP
|
1291 AX_TXCOE_TCPV6
| AX_TXCOE_UDPV6
;
1292 ax88179_write_cmd(dev
, AX_ACCESS_MAC
, AX_TXCOE_CTL
, 1, 1, tmp
);
1294 /* Configure RX control register => start operation */
1295 *tmp16
= AX_RX_CTL_DROPCRCERR
| AX_RX_CTL_IPE
| AX_RX_CTL_START
|
1296 AX_RX_CTL_AP
| AX_RX_CTL_AMALL
| AX_RX_CTL_AB
;
1297 ax88179_write_cmd(dev
, AX_ACCESS_MAC
, AX_RX_CTL
, 2, 2, tmp16
);
1299 *tmp
= AX_MONITOR_MODE_PMETYPE
| AX_MONITOR_MODE_PMEPOL
|
1300 AX_MONITOR_MODE_RWMP
;
1301 ax88179_write_cmd(dev
, AX_ACCESS_MAC
, AX_MONITOR_MOD
, 1, 1, tmp
);
1303 /* Configure default medium type => giga */
1304 *tmp16
= AX_MEDIUM_RECEIVE_EN
| AX_MEDIUM_TXFLOW_CTRLEN
|
1305 AX_MEDIUM_RXFLOW_CTRLEN
| AX_MEDIUM_FULL_DUPLEX
|
1307 ax88179_write_cmd(dev
, AX_ACCESS_MAC
, AX_MEDIUM_STATUS_MODE
,
1310 ax88179_led_setting(dev
);
1312 ax179_data
->eee_enabled
= 0;
1313 ax179_data
->eee_active
= 0;
1315 ax88179_disable_eee(dev
);
1317 ax88179_ethtool_get_eee(dev
, &eee_data
);
1318 eee_data
.advertised
= 0;
1319 ax88179_ethtool_set_eee(dev
, &eee_data
);
1321 /* Restart autoneg */
1322 mii_nway_restart(&dev
->mii
);
1324 usbnet_link_change(dev
, 0, 0);
1329 static void ax88179_unbind(struct usbnet
*dev
, struct usb_interface
*intf
)
1333 /* Configure RX control register => stop operation */
1334 tmp16
= AX_RX_CTL_STOP
;
1335 ax88179_write_cmd(dev
, AX_ACCESS_MAC
, AX_RX_CTL
, 2, 2, &tmp16
);
1338 ax88179_write_cmd(dev
, AX_ACCESS_MAC
, AX_CLK_SELECT
, 1, 1, &tmp16
);
1340 /* Power down ethernet PHY */
1342 ax88179_write_cmd(dev
, AX_ACCESS_MAC
, AX_PHYPWR_RSTCTL
, 2, 2, &tmp16
);
1346 ax88179_rx_checksum(struct sk_buff
*skb
, u32
*pkt_hdr
)
1348 skb
->ip_summed
= CHECKSUM_NONE
;
1350 /* checksum error bit is set */
1351 if ((*pkt_hdr
& AX_RXHDR_L3CSUM_ERR
) ||
1352 (*pkt_hdr
& AX_RXHDR_L4CSUM_ERR
))
1355 /* It must be a TCP or UDP packet with a valid checksum */
1356 if (((*pkt_hdr
& AX_RXHDR_L4_TYPE_MASK
) == AX_RXHDR_L4_TYPE_TCP
) ||
1357 ((*pkt_hdr
& AX_RXHDR_L4_TYPE_MASK
) == AX_RXHDR_L4_TYPE_UDP
))
1358 skb
->ip_summed
= CHECKSUM_UNNECESSARY
;
1361 static int ax88179_rx_fixup(struct usbnet
*dev
, struct sk_buff
*skb
)
1363 struct sk_buff
*ax_skb
;
1369 /* This check is no longer done by usbnet */
1370 if (skb
->len
< dev
->net
->hard_header_len
)
1373 skb_trim(skb
, skb
->len
- 4);
1374 memcpy(&rx_hdr
, skb_tail_pointer(skb
), 4);
1375 le32_to_cpus(&rx_hdr
);
1377 pkt_cnt
= (u16
)rx_hdr
;
1378 hdr_off
= (u16
)(rx_hdr
>> 16);
1379 pkt_hdr
= (u32
*)(skb
->data
+ hdr_off
);
1384 le32_to_cpus(pkt_hdr
);
1385 pkt_len
= (*pkt_hdr
>> 16) & 0x1fff;
1387 /* Check CRC or runt packet */
1388 if ((*pkt_hdr
& AX_RXHDR_CRC_ERR
) ||
1389 (*pkt_hdr
& AX_RXHDR_DROP_ERR
)) {
1390 skb_pull(skb
, (pkt_len
+ 7) & 0xFFF8);
1396 /* Skip IP alignment psudo header */
1399 skb_set_tail_pointer(skb
, pkt_len
);
1400 skb
->truesize
= pkt_len
+ sizeof(struct sk_buff
);
1401 ax88179_rx_checksum(skb
, pkt_hdr
);
1405 ax_skb
= skb_clone(skb
, GFP_ATOMIC
);
1407 ax_skb
->len
= pkt_len
;
1408 ax_skb
->data
= skb
->data
+ 2;
1409 skb_set_tail_pointer(ax_skb
, pkt_len
);
1410 ax_skb
->truesize
= pkt_len
+ sizeof(struct sk_buff
);
1411 ax88179_rx_checksum(ax_skb
, pkt_hdr
);
1412 usbnet_skb_return(dev
, ax_skb
);
1417 skb_pull(skb
, (pkt_len
+ 7) & 0xFFF8);
1423 static struct sk_buff
*
1424 ax88179_tx_fixup(struct usbnet
*dev
, struct sk_buff
*skb
, gfp_t flags
)
1426 u32 tx_hdr1
, tx_hdr2
;
1427 int frame_size
= dev
->maxpacket
;
1428 int mss
= skb_shinfo(skb
)->gso_size
;
1433 if (((skb
->len
+ 8) % frame_size
) == 0)
1434 tx_hdr2
|= 0x80008000; /* Enable padding */
1436 headroom
= skb_headroom(skb
) - 8;
1438 if ((skb_header_cloned(skb
) || headroom
< 0) &&
1439 pskb_expand_head(skb
, headroom
< 0 ? 8 : 0, 0, GFP_ATOMIC
)) {
1440 dev_kfree_skb_any(skb
);
1445 cpu_to_le32s(&tx_hdr2
);
1446 skb_copy_to_linear_data(skb
, &tx_hdr2
, 4);
1449 cpu_to_le32s(&tx_hdr1
);
1450 skb_copy_to_linear_data(skb
, &tx_hdr1
, 4);
1455 static int ax88179_link_reset(struct usbnet
*dev
)
1457 struct ax88179_data
*ax179_data
= (struct ax88179_data
*)dev
->data
;
1458 u8 tmp
[5], link_sts
;
1459 u16 mode
, tmp16
, delay
= HZ
/ 10;
1460 u32 tmp32
= 0x40000000;
1461 unsigned long jtimeout
;
1463 jtimeout
= jiffies
+ delay
;
1464 while (tmp32
& 0x40000000) {
1466 ax88179_write_cmd(dev
, AX_ACCESS_MAC
, AX_RX_CTL
, 2, 2, &mode
);
1467 ax88179_write_cmd(dev
, AX_ACCESS_MAC
, AX_RX_CTL
, 2, 2,
1468 &ax179_data
->rxctl
);
1470 /*link up, check the usb device control TX FIFO full or empty*/
1471 ax88179_read_cmd(dev
, 0x81, 0x8c, 0, 4, &tmp32
);
1473 if (time_after(jiffies
, jtimeout
))
1477 mode
= AX_MEDIUM_RECEIVE_EN
| AX_MEDIUM_TXFLOW_CTRLEN
|
1478 AX_MEDIUM_RXFLOW_CTRLEN
;
1480 ax88179_read_cmd(dev
, AX_ACCESS_MAC
, PHYSICAL_LINK_STATUS
,
1483 ax88179_read_cmd(dev
, AX_ACCESS_PHY
, AX88179_PHY_ID
,
1484 GMII_PHY_PHYSR
, 2, &tmp16
);
1486 if (!(tmp16
& GMII_PHY_PHYSR_LINK
)) {
1488 } else if (GMII_PHY_PHYSR_GIGA
== (tmp16
& GMII_PHY_PHYSR_SMASK
)) {
1489 mode
|= AX_MEDIUM_GIGAMODE
| AX_MEDIUM_EN_125MHZ
;
1490 if (dev
->net
->mtu
> 1500)
1491 mode
|= AX_MEDIUM_JUMBO_EN
;
1493 if (link_sts
& AX_USB_SS
)
1494 memcpy(tmp
, &AX88179_BULKIN_SIZE
[0], 5);
1495 else if (link_sts
& AX_USB_HS
)
1496 memcpy(tmp
, &AX88179_BULKIN_SIZE
[1], 5);
1498 memcpy(tmp
, &AX88179_BULKIN_SIZE
[3], 5);
1499 } else if (GMII_PHY_PHYSR_100
== (tmp16
& GMII_PHY_PHYSR_SMASK
)) {
1500 mode
|= AX_MEDIUM_PS
;
1502 if (link_sts
& (AX_USB_SS
| AX_USB_HS
))
1503 memcpy(tmp
, &AX88179_BULKIN_SIZE
[2], 5);
1505 memcpy(tmp
, &AX88179_BULKIN_SIZE
[3], 5);
1507 memcpy(tmp
, &AX88179_BULKIN_SIZE
[3], 5);
1510 /* RX bulk configuration */
1511 ax88179_write_cmd(dev
, AX_ACCESS_MAC
, AX_RX_BULKIN_QCTRL
, 5, 5, tmp
);
1513 dev
->rx_urb_size
= (1024 * (tmp
[3] + 2));
1515 if (tmp16
& GMII_PHY_PHYSR_FULL
)
1516 mode
|= AX_MEDIUM_FULL_DUPLEX
;
1517 ax88179_write_cmd(dev
, AX_ACCESS_MAC
, AX_MEDIUM_STATUS_MODE
,
1520 ax179_data
->eee_enabled
= ax88179_chk_eee(dev
);
1522 netif_carrier_on(dev
->net
);
1527 static int ax88179_reset(struct usbnet
*dev
)
1532 struct ax88179_data
*ax179_data
= (struct ax88179_data
*)dev
->data
;
1533 struct ethtool_eee eee_data
;
1538 /* Power up ethernet PHY */
1540 ax88179_write_cmd(dev
, AX_ACCESS_MAC
, AX_PHYPWR_RSTCTL
, 2, 2, tmp16
);
1542 *tmp16
= AX_PHYPWR_RSTCTL_IPRL
;
1543 ax88179_write_cmd(dev
, AX_ACCESS_MAC
, AX_PHYPWR_RSTCTL
, 2, 2, tmp16
);
1546 *tmp
= AX_CLK_SELECT_ACS
| AX_CLK_SELECT_BCS
;
1547 ax88179_write_cmd(dev
, AX_ACCESS_MAC
, AX_CLK_SELECT
, 1, 1, tmp
);
1550 /* Ethernet PHY Auto Detach*/
1551 ax88179_auto_detach(dev
, 0);
1553 ax88179_read_cmd(dev
, AX_ACCESS_MAC
, AX_NODE_ID
, ETH_ALEN
, ETH_ALEN
,
1554 dev
->net
->dev_addr
);
1555 memcpy(dev
->net
->perm_addr
, dev
->net
->dev_addr
, ETH_ALEN
);
1557 /* RX bulk configuration */
1558 memcpy(tmp
, &AX88179_BULKIN_SIZE
[0], 5);
1559 ax88179_write_cmd(dev
, AX_ACCESS_MAC
, AX_RX_BULKIN_QCTRL
, 5, 5, tmp
);
1561 dev
->rx_urb_size
= 1024 * 20;
1564 ax88179_write_cmd(dev
, AX_ACCESS_MAC
, AX_PAUSE_WATERLVL_LOW
, 1, 1, tmp
);
1567 ax88179_write_cmd(dev
, AX_ACCESS_MAC
, AX_PAUSE_WATERLVL_HIGH
,
1570 dev
->net
->features
|= NETIF_F_IP_CSUM
| NETIF_F_IPV6_CSUM
|
1573 dev
->net
->hw_features
|= NETIF_F_IP_CSUM
| NETIF_F_IPV6_CSUM
|
1576 /* Enable checksum offload */
1577 *tmp
= AX_RXCOE_IP
| AX_RXCOE_TCP
| AX_RXCOE_UDP
|
1578 AX_RXCOE_TCPV6
| AX_RXCOE_UDPV6
;
1579 ax88179_write_cmd(dev
, AX_ACCESS_MAC
, AX_RXCOE_CTL
, 1, 1, tmp
);
1581 *tmp
= AX_TXCOE_IP
| AX_TXCOE_TCP
| AX_TXCOE_UDP
|
1582 AX_TXCOE_TCPV6
| AX_TXCOE_UDPV6
;
1583 ax88179_write_cmd(dev
, AX_ACCESS_MAC
, AX_TXCOE_CTL
, 1, 1, tmp
);
1585 /* Configure RX control register => start operation */
1586 *tmp16
= AX_RX_CTL_DROPCRCERR
| AX_RX_CTL_IPE
| AX_RX_CTL_START
|
1587 AX_RX_CTL_AP
| AX_RX_CTL_AMALL
| AX_RX_CTL_AB
;
1588 ax88179_write_cmd(dev
, AX_ACCESS_MAC
, AX_RX_CTL
, 2, 2, tmp16
);
1590 *tmp
= AX_MONITOR_MODE_PMETYPE
| AX_MONITOR_MODE_PMEPOL
|
1591 AX_MONITOR_MODE_RWMP
;
1592 ax88179_write_cmd(dev
, AX_ACCESS_MAC
, AX_MONITOR_MOD
, 1, 1, tmp
);
1594 /* Configure default medium type => giga */
1595 *tmp16
= AX_MEDIUM_RECEIVE_EN
| AX_MEDIUM_TXFLOW_CTRLEN
|
1596 AX_MEDIUM_RXFLOW_CTRLEN
| AX_MEDIUM_FULL_DUPLEX
|
1598 ax88179_write_cmd(dev
, AX_ACCESS_MAC
, AX_MEDIUM_STATUS_MODE
,
1601 ax88179_led_setting(dev
);
1603 ax179_data
->eee_enabled
= 0;
1604 ax179_data
->eee_active
= 0;
1606 ax88179_disable_eee(dev
);
1608 ax88179_ethtool_get_eee(dev
, &eee_data
);
1609 eee_data
.advertised
= 0;
1610 ax88179_ethtool_set_eee(dev
, &eee_data
);
1612 /* Restart autoneg */
1613 mii_nway_restart(&dev
->mii
);
1615 usbnet_link_change(dev
, 0, 0);
1620 static int ax88179_stop(struct usbnet
*dev
)
1624 ax88179_read_cmd(dev
, AX_ACCESS_MAC
, AX_MEDIUM_STATUS_MODE
,
1626 tmp16
&= ~AX_MEDIUM_RECEIVE_EN
;
1627 ax88179_write_cmd(dev
, AX_ACCESS_MAC
, AX_MEDIUM_STATUS_MODE
,
1633 static const struct driver_info ax88179_info
= {
1634 .description
= "ASIX AX88179 USB 3.0 Gigabit Ethernet",
1635 .bind
= ax88179_bind
,
1636 .unbind
= ax88179_unbind
,
1637 .status
= ax88179_status
,
1638 .link_reset
= ax88179_link_reset
,
1639 .reset
= ax88179_reset
,
1640 .stop
= ax88179_stop
,
1641 .flags
= FLAG_ETHER
| FLAG_FRAMING_AX
,
1642 .rx_fixup
= ax88179_rx_fixup
,
1643 .tx_fixup
= ax88179_tx_fixup
,
1646 static const struct driver_info ax88178a_info
= {
1647 .description
= "ASIX AX88178A USB 2.0 Gigabit Ethernet",
1648 .bind
= ax88179_bind
,
1649 .unbind
= ax88179_unbind
,
1650 .status
= ax88179_status
,
1651 .link_reset
= ax88179_link_reset
,
1652 .reset
= ax88179_reset
,
1653 .stop
= ax88179_stop
,
1654 .flags
= FLAG_ETHER
| FLAG_FRAMING_AX
,
1655 .rx_fixup
= ax88179_rx_fixup
,
1656 .tx_fixup
= ax88179_tx_fixup
,
1659 static const struct driver_info dlink_dub1312_info
= {
1660 .description
= "D-Link DUB-1312 USB 3.0 to Gigabit Ethernet Adapter",
1661 .bind
= ax88179_bind
,
1662 .unbind
= ax88179_unbind
,
1663 .status
= ax88179_status
,
1664 .link_reset
= ax88179_link_reset
,
1665 .reset
= ax88179_reset
,
1666 .stop
= ax88179_stop
,
1667 .flags
= FLAG_ETHER
| FLAG_FRAMING_AX
,
1668 .rx_fixup
= ax88179_rx_fixup
,
1669 .tx_fixup
= ax88179_tx_fixup
,
1672 static const struct driver_info sitecom_info
= {
1673 .description
= "Sitecom USB 3.0 to Gigabit Adapter",
1674 .bind
= ax88179_bind
,
1675 .unbind
= ax88179_unbind
,
1676 .status
= ax88179_status
,
1677 .link_reset
= ax88179_link_reset
,
1678 .reset
= ax88179_reset
,
1679 .stop
= ax88179_stop
,
1680 .flags
= FLAG_ETHER
| FLAG_FRAMING_AX
,
1681 .rx_fixup
= ax88179_rx_fixup
,
1682 .tx_fixup
= ax88179_tx_fixup
,
1685 static const struct driver_info samsung_info
= {
1686 .description
= "Samsung USB Ethernet Adapter",
1687 .bind
= ax88179_bind
,
1688 .unbind
= ax88179_unbind
,
1689 .status
= ax88179_status
,
1690 .link_reset
= ax88179_link_reset
,
1691 .reset
= ax88179_reset
,
1692 .stop
= ax88179_stop
,
1693 .flags
= FLAG_ETHER
| FLAG_FRAMING_AX
,
1694 .rx_fixup
= ax88179_rx_fixup
,
1695 .tx_fixup
= ax88179_tx_fixup
,
1698 static const struct driver_info lenovo_info
= {
1699 .description
= "Lenovo OneLinkDock Gigabit LAN",
1700 .bind
= ax88179_bind
,
1701 .unbind
= ax88179_unbind
,
1702 .status
= ax88179_status
,
1703 .link_reset
= ax88179_link_reset
,
1704 .reset
= ax88179_reset
,
1705 .stop
= ax88179_stop
,
1706 .flags
= FLAG_ETHER
| FLAG_FRAMING_AX
,
1707 .rx_fixup
= ax88179_rx_fixup
,
1708 .tx_fixup
= ax88179_tx_fixup
,
1711 static const struct usb_device_id products
[] = {
1713 /* ASIX AX88179 10/100/1000 */
1714 USB_DEVICE(0x0b95, 0x1790),
1715 .driver_info
= (unsigned long)&ax88179_info
,
1717 /* ASIX AX88178A 10/100/1000 */
1718 USB_DEVICE(0x0b95, 0x178a),
1719 .driver_info
= (unsigned long)&ax88178a_info
,
1721 /* D-Link DUB-1312 USB 3.0 to Gigabit Ethernet Adapter */
1722 USB_DEVICE(0x2001, 0x4a00),
1723 .driver_info
= (unsigned long)&dlink_dub1312_info
,
1725 /* Sitecom USB 3.0 to Gigabit Adapter */
1726 USB_DEVICE(0x0df6, 0x0072),
1727 .driver_info
= (unsigned long)&sitecom_info
,
1729 /* Samsung USB Ethernet Adapter */
1730 USB_DEVICE(0x04e8, 0xa100),
1731 .driver_info
= (unsigned long)&samsung_info
,
1733 /* Lenovo OneLinkDock Gigabit LAN */
1734 USB_DEVICE(0x17ef, 0x304b),
1735 .driver_info
= (unsigned long)&lenovo_info
,
1739 MODULE_DEVICE_TABLE(usb
, products
);
1741 static struct usb_driver ax88179_178a_driver
= {
1742 .name
= "ax88179_178a",
1743 .id_table
= products
,
1744 .probe
= usbnet_probe
,
1745 .suspend
= ax88179_suspend
,
1746 .resume
= ax88179_resume
,
1747 .reset_resume
= ax88179_resume
,
1748 .disconnect
= usbnet_disconnect
,
1749 .supports_autosuspend
= 1,
1750 .disable_hub_initiated_lpm
= 1,
1753 module_usb_driver(ax88179_178a_driver
);
1755 MODULE_DESCRIPTION("ASIX AX88179/178A based USB 3.0/2.0 Gigabit Ethernet Devices");
1756 MODULE_LICENSE("GPL");