drivers/net/usb/ax88179_178a.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * ASIX AX88179/178A USB 3.0/2.0 to Gigabit Ethernet Devices
   4  *
   5  * Copyright (C) 2011-2013 ASIX
   6  */
   7
   8 #include <linux/module.h>
   9 #include <linux/etherdevice.h>
  10 #include <linux/mii.h>
  11 #include <linux/usb.h>
  12 #include <linux/crc32.h>
  13 #include <linux/usb/usbnet.h>
  14 #include <uapi/linux/mdio.h>
  15 #include <linux/mdio.h>
  16
  17 #define AX88179_PHY_ID                          0x03
  18 #define AX_EEPROM_LEN                           0x100
  19 #define AX88179_EEPROM_MAGIC                    0x17900b95
  20 #define AX_MCAST_FLTSIZE                        8
  21 #define AX_MAX_MCAST                            64
  22 #define AX_INT_PPLS_LINK                        ((u32)BIT(16))
  23 #define AX_RXHDR_L4_TYPE_MASK                   0x1c
  24 #define AX_RXHDR_L4_TYPE_UDP                    4
  25 #define AX_RXHDR_L4_TYPE_TCP                    16
  26 #define AX_RXHDR_L3CSUM_ERR                     2
  27 #define AX_RXHDR_L4CSUM_ERR                     1
  28 #define AX_RXHDR_CRC_ERR                        ((u32)BIT(29))
  29 #define AX_RXHDR_DROP_ERR                       ((u32)BIT(31))
  30 #define AX_ACCESS_MAC                           0x01
  31 #define AX_ACCESS_PHY                           0x02
  32 #define AX_ACCESS_EEPROM                        0x04
  33 #define AX_ACCESS_EFUS                          0x05
  34 #define AX_RELOAD_EEPROM_EFUSE                  0x06
  35 #define AX_PAUSE_WATERLVL_HIGH                  0x54
  36 #define AX_PAUSE_WATERLVL_LOW                   0x55
  37
  38 #define PHYSICAL_LINK_STATUS                    0x02
  39         #define AX_USB_SS               0x04
  40         #define AX_USB_HS               0x02
  41
  42 #define GENERAL_STATUS                          0x03
  43 /* Check AX88179 version. UA1:Bit2 = 0,  UA2:Bit2 = 1 */
  44         #define AX_SECLD                0x04
  45
  46 #define AX_SROM_ADDR                            0x07
  47 #define AX_SROM_CMD                             0x0a
  48         #define EEP_RD                  0x04
  49         #define EEP_BUSY                0x10
  50
  51 #define AX_SROM_DATA_LOW                        0x08
  52 #define AX_SROM_DATA_HIGH                       0x09
  53
  54 #define AX_RX_CTL                               0x0b
  55         #define AX_RX_CTL_DROPCRCERR    0x0100
  56         #define AX_RX_CTL_IPE           0x0200
  57         #define AX_RX_CTL_START         0x0080
  58         #define AX_RX_CTL_AP            0x0020
  59         #define AX_RX_CTL_AM            0x0010
  60         #define AX_RX_CTL_AB            0x0008
  61         #define AX_RX_CTL_AMALL         0x0002
  62         #define AX_RX_CTL_PRO           0x0001
  63         #define AX_RX_CTL_STOP          0x0000
  64
  65 #define AX_NODE_ID                              0x10
  66 #define AX_MULFLTARY                            0x16
  67
  68 #define AX_MEDIUM_STATUS_MODE                   0x22
  69         #define AX_MEDIUM_GIGAMODE      0x01
  70         #define AX_MEDIUM_FULL_DUPLEX   0x02
  71         #define AX_MEDIUM_EN_125MHZ     0x08
  72         #define AX_MEDIUM_RXFLOW_CTRLEN 0x10
  73         #define AX_MEDIUM_TXFLOW_CTRLEN 0x20
  74         #define AX_MEDIUM_RECEIVE_EN    0x100
  75         #define AX_MEDIUM_PS            0x200
  76         #define AX_MEDIUM_JUMBO_EN      0x8040
  77
  78 #define AX_MONITOR_MOD                          0x24
  79         #define AX_MONITOR_MODE_RWLC    0x02
  80         #define AX_MONITOR_MODE_RWMP    0x04
  81         #define AX_MONITOR_MODE_PMEPOL  0x20
  82         #define AX_MONITOR_MODE_PMETYPE 0x40
  83
  84 #define AX_GPIO_CTRL                            0x25
  85         #define AX_GPIO_CTRL_GPIO3EN    0x80
  86         #define AX_GPIO_CTRL_GPIO2EN    0x40
  87         #define AX_GPIO_CTRL_GPIO1EN    0x20
  88
  89 #define AX_PHYPWR_RSTCTL                        0x26
  90         #define AX_PHYPWR_RSTCTL_BZ     0x0010
  91         #define AX_PHYPWR_RSTCTL_IPRL   0x0020
  92         #define AX_PHYPWR_RSTCTL_AT     0x1000
  93
  94 #define AX_RX_BULKIN_QCTRL                      0x2e
  95 #define AX_CLK_SELECT                           0x33
  96         #define AX_CLK_SELECT_BCS       0x01
  97         #define AX_CLK_SELECT_ACS       0x02
  98         #define AX_CLK_SELECT_ULR       0x08
  99
 100 #define AX_RXCOE_CTL                            0x34
 101         #define AX_RXCOE_IP             0x01
 102         #define AX_RXCOE_TCP            0x02
 103         #define AX_RXCOE_UDP            0x04
 104         #define AX_RXCOE_TCPV6          0x20
 105         #define AX_RXCOE_UDPV6          0x40
 106
 107 #define AX_TXCOE_CTL                            0x35
 108         #define AX_TXCOE_IP             0x01
 109         #define AX_TXCOE_TCP            0x02
 110         #define AX_TXCOE_UDP            0x04
 111         #define AX_TXCOE_TCPV6          0x20
 112         #define AX_TXCOE_UDPV6          0x40
 113
 114 #define AX_LEDCTRL                              0x73
 115
 116 #define GMII_PHY_PHYSR                          0x11
 117         #define GMII_PHY_PHYSR_SMASK    0xc000
 118         #define GMII_PHY_PHYSR_GIGA     0x8000
 119         #define GMII_PHY_PHYSR_100      0x4000
 120         #define GMII_PHY_PHYSR_FULL     0x2000
 121         #define GMII_PHY_PHYSR_LINK     0x400
 122
 123 #define GMII_LED_ACT                            0x1a
 124         #define GMII_LED_ACTIVE_MASK    0xff8f
 125         #define GMII_LED0_ACTIVE        BIT(4)
 126         #define GMII_LED1_ACTIVE        BIT(5)
 127         #define GMII_LED2_ACTIVE        BIT(6)
 128
 129 #define GMII_LED_LINK                           0x1c
 130         #define GMII_LED_LINK_MASK      0xf888
 131         #define GMII_LED0_LINK_10       BIT(0)
 132         #define GMII_LED0_LINK_100      BIT(1)
 133         #define GMII_LED0_LINK_1000     BIT(2)
 134         #define GMII_LED1_LINK_10       BIT(4)
 135         #define GMII_LED1_LINK_100      BIT(5)
 136         #define GMII_LED1_LINK_1000     BIT(6)
 137         #define GMII_LED2_LINK_10       BIT(8)
 138         #define GMII_LED2_LINK_100      BIT(9)
 139         #define GMII_LED2_LINK_1000     BIT(10)
 140         #define LED0_ACTIVE             BIT(0)
 141         #define LED0_LINK_10            BIT(1)
 142         #define LED0_LINK_100           BIT(2)
 143         #define LED0_LINK_1000          BIT(3)
 144         #define LED0_FD                 BIT(4)
 145         #define LED0_USB3_MASK          0x001f
 146         #define LED1_ACTIVE             BIT(5)
 147         #define LED1_LINK_10            BIT(6)
 148         #define LED1_LINK_100           BIT(7)
 149         #define LED1_LINK_1000          BIT(8)
 150         #define LED1_FD                 BIT(9)
 151         #define LED1_USB3_MASK          0x03e0
 152         #define LED2_ACTIVE             BIT(10)
 153         #define LED2_LINK_1000          BIT(13)
 154         #define LED2_LINK_100           BIT(12)
 155         #define LED2_LINK_10            BIT(11)
 156         #define LED2_FD                 BIT(14)
 157         #define LED_VALID               BIT(15)
 158         #define LED2_USB3_MASK          0x7c00
 159
 160 #define GMII_PHYPAGE                            0x1e
 161 #define GMII_PHY_PAGE_SELECT                    0x1f
 162         #define GMII_PHY_PGSEL_EXT      0x0007
 163         #define GMII_PHY_PGSEL_PAGE0    0x0000
 164         #define GMII_PHY_PGSEL_PAGE3    0x0003
 165         #define GMII_PHY_PGSEL_PAGE5    0x0005
 166
 167 struct ax88179_data {
 168         u8  eee_enabled;
 169         u8  eee_active;
 170         u16 rxctl;
 171         u16 reserved;
 172 };
 173
 174 struct ax88179_int_data {
 175         __le32 intdata1;
 176         __le32 intdata2;
 177 };
 178
 179 static const struct {
 180         unsigned char ctrl, timer_l, timer_h, size, ifg;
 181 } AX88179_BULKIN_SIZE[] =       {
 182         {7, 0x4f, 0,    0x12, 0xff},
 183         {7, 0x20, 3,    0x16, 0xff},
 184         {7, 0xae, 7,    0x18, 0xff},
 185         {7, 0xcc, 0x4c, 0x18, 8},
 186 };
 187
 188 static int __ax88179_read_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
 189                               u16 size, void *data, int in_pm)
 190 {
 191         int ret;
 192         int (*fn)(struct usbnet *, u8, u8, u16, u16, void *, u16);
 193
 194         BUG_ON(!dev);
 195
 196         if (!in_pm)
 197                 fn = usbnet_read_cmd;
 198         else
 199                 fn = usbnet_read_cmd_nopm;
 200
 201         ret = fn(dev, cmd, USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 202                  value, index, data, size);
 203
 204         if (unlikely(ret < 0))
 205                 netdev_warn(dev->net, "Failed to read reg index 0x%04x: %d\n",
 206                             index, ret);
 207
 208         return ret;
 209 }
 210
 211 static int __ax88179_write_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
 212                                u16 size, void *data, int in_pm)
 213 {
 214         int ret;
 215         int (*fn)(struct usbnet *, u8, u8, u16, u16, const void *, u16);
 216
 217         BUG_ON(!dev);
 218
 219         if (!in_pm)
 220                 fn = usbnet_write_cmd;
 221         else
 222                 fn = usbnet_write_cmd_nopm;
 223
 224         ret = fn(dev, cmd, USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 225                  value, index, data, size);
 226
 227         if (unlikely(ret < 0))
 228                 netdev_warn(dev->net, "Failed to write reg index 0x%04x: %d\n",
 229                             index, ret);
 230
 231         return ret;
 232 }
 233
 234 static void ax88179_write_cmd_async(struct usbnet *dev, u8 cmd, u16 value,
 235                                     u16 index, u16 size, void *data)
 236 {
 237         u16 buf;
 238
 239         if (2 == size) {
 240                 buf = *((u16 *)data);
 241                 cpu_to_le16s(&buf);
 242                 usbnet_write_cmd_async(dev, cmd, USB_DIR_OUT | USB_TYPE_VENDOR |
 243                                        USB_RECIP_DEVICE, value, index, &buf,
 244                                        size);
 245         } else {
 246                 usbnet_write_cmd_async(dev, cmd, USB_DIR_OUT | USB_TYPE_VENDOR |
 247                                        USB_RECIP_DEVICE, value, index, data,
 248                                        size);
 249         }
 250 }
 251
 252 static int ax88179_read_cmd_nopm(struct usbnet *dev, u8 cmd, u16 value,
 253                                  u16 index, u16 size, void *data)
 254 {
 255         int ret;
 256
 257         if (2 == size) {
 258                 u16 buf;
 259                 ret = __ax88179_read_cmd(dev, cmd, value, index, size, &buf, 1);
 260                 le16_to_cpus(&buf);
 261                 *((u16 *)data) = buf;
 262         } else if (4 == size) {
 263                 u32 buf;
 264                 ret = __ax88179_read_cmd(dev, cmd, value, index, size, &buf, 1);
 265                 le32_to_cpus(&buf);
 266                 *((u32 *)data) = buf;
 267         } else {
 268                 ret = __ax88179_read_cmd(dev, cmd, value, index, size, data, 1);
 269         }
 270
 271         return ret;
 272 }
 273
 274 static int ax88179_write_cmd_nopm(struct usbnet *dev, u8 cmd, u16 value,
 275                                   u16 index, u16 size, void *data)
 276 {
 277         int ret;
 278
 279         if (2 == size) {
 280                 u16 buf;
 281                 buf = *((u16 *)data);
 282                 cpu_to_le16s(&buf);
 283                 ret = __ax88179_write_cmd(dev, cmd, value, index,
 284                                           size, &buf, 1);
 285         } else {
 286                 ret = __ax88179_write_cmd(dev, cmd, value, index,
 287                                           size, data, 1);
 288         }
 289
 290         return ret;
 291 }
 292
 293 static int ax88179_read_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
 294                             u16 size, void *data)
 295 {
 296         int ret;
 297
 298         if (2 == size) {
 299                 u16 buf;
 300                 ret = __ax88179_read_cmd(dev, cmd, value, index, size, &buf, 0);
 301                 le16_to_cpus(&buf);
 302                 *((u16 *)data) = buf;
 303         } else if (4 == size) {
 304                 u32 buf;
 305                 ret = __ax88179_read_cmd(dev, cmd, value, index, size, &buf, 0);
 306                 le32_to_cpus(&buf);
 307                 *((u32 *)data) = buf;
 308         } else {
 309                 ret = __ax88179_read_cmd(dev, cmd, value, index, size, data, 0);
 310         }
 311
 312         return ret;
 313 }
 314
 315 static int ax88179_write_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
 316                              u16 size, void *data)
 317 {
 318         int ret;
 319
 320         if (2 == size) {
 321                 u16 buf;
 322                 buf = *((u16 *)data);
 323                 cpu_to_le16s(&buf);
 324                 ret = __ax88179_write_cmd(dev, cmd, value, index,
 325                                           size, &buf, 0);
 326         } else {
 327                 ret = __ax88179_write_cmd(dev, cmd, value, index,
 328                                           size, data, 0);
 329         }
 330
 331         return ret;
 332 }
 333
 334 static void ax88179_status(struct usbnet *dev, struct urb *urb)
 335 {
 336         struct ax88179_int_data *event;
 337         u32 link;
 338
 339         if (urb->actual_length < 8)
 340                 return;
 341
 342         event = urb->transfer_buffer;
 343         le32_to_cpus((void *)&event->intdata1);
 344
 345         link = (((__force u32)event->intdata1) & AX_INT_PPLS_LINK) >> 16;
 346
 347         if (netif_carrier_ok(dev->net) != link) {
 348                 usbnet_link_change(dev, link, 1);
 349                 netdev_info(dev->net, "ax88179 - Link status is: %d\n", link);
 350         }
 351 }
 352
 353 static int ax88179_mdio_read(struct net_device *netdev, int phy_id, int loc)
 354 {
 355         struct usbnet *dev = netdev_priv(netdev);
 356         u16 res;
 357
 358         ax88179_read_cmd(dev, AX_ACCESS_PHY, phy_id, (__u16)loc, 2, &res);
 359         return res;
 360 }
 361
 362 static void ax88179_mdio_write(struct net_device *netdev, int phy_id, int loc,
 363                                int val)
 364 {
 365         struct usbnet *dev = netdev_priv(netdev);
 366         u16 res = (u16) val;
 367
 368         ax88179_write_cmd(dev, AX_ACCESS_PHY, phy_id, (__u16)loc, 2, &res);
 369 }
 370
 371 static inline int ax88179_phy_mmd_indirect(struct usbnet *dev, u16 prtad,
 372                                            u16 devad)
 373 {
 374         u16 tmp16;
 375         int ret;
 376
 377         tmp16 = devad;
 378         ret = ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
 379                                 MII_MMD_CTRL, 2, &tmp16);
 380
 381         tmp16 = prtad;
 382         ret = ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
 383                                 MII_MMD_DATA, 2, &tmp16);
 384
 385         tmp16 = devad | MII_MMD_CTRL_NOINCR;
 386         ret = ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
 387                                 MII_MMD_CTRL, 2, &tmp16);
 388
 389         return ret;
 390 }
 391
 392 static int
 393 ax88179_phy_read_mmd_indirect(struct usbnet *dev, u16 prtad, u16 devad)
 394 {
 395         int ret;
 396         u16 tmp16;
 397
 398         ax88179_phy_mmd_indirect(dev, prtad, devad);
 399
 400         ret = ax88179_read_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
 401                                MII_MMD_DATA, 2, &tmp16);
 402         if (ret < 0)
 403                 return ret;
 404
 405         return tmp16;
 406 }
 407
 408 static int
 409 ax88179_phy_write_mmd_indirect(struct usbnet *dev, u16 prtad, u16 devad,
 410                                u16 data)
 411 {
 412         int ret;
 413
 414         ax88179_phy_mmd_indirect(dev, prtad, devad);
 415
 416         ret = ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
 417                                 MII_MMD_DATA, 2, &data);
 418
 419         if (ret < 0)
 420                 return ret;
 421
 422         return 0;
 423 }
 424
 425 static int ax88179_suspend(struct usb_interface *intf, pm_message_t message)
 426 {
 427         struct usbnet *dev = usb_get_intfdata(intf);
 428         u16 tmp16;
 429         u8 tmp8;
 430
 431         usbnet_suspend(intf, message);
 432
 433         /* Disable RX path */
 434         ax88179_read_cmd_nopm(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
 435                               2, 2, &tmp16);
 436         tmp16 &= ~AX_MEDIUM_RECEIVE_EN;
 437         ax88179_write_cmd_nopm(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
 438                                2, 2, &tmp16);
 439
 440         /* Force bulk-in zero length */
 441         ax88179_read_cmd_nopm(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL,
 442                               2, 2, &tmp16);
 443
 444         tmp16 |= AX_PHYPWR_RSTCTL_BZ | AX_PHYPWR_RSTCTL_IPRL;
 445         ax88179_write_cmd_nopm(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL,
 446                                2, 2, &tmp16);
 447
 448         /* change clock */
 449         tmp8 = 0;
 450         ax88179_write_cmd_nopm(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, &tmp8);
 451
 452         /* Configure RX control register => stop operation */
 453         tmp16 = AX_RX_CTL_STOP;
 454         ax88179_write_cmd_nopm(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2, &tmp16);
 455
 456         return 0;
 457 }
 458
 459 /* This function is used to enable the autodetach function. */
 460 /* This function is determined by offset 0x43 of EEPROM */
 461 static int ax88179_auto_detach(struct usbnet *dev, int in_pm)
 462 {
 463         u16 tmp16;
 464         u8 tmp8;
 465         int (*fnr)(struct usbnet *, u8, u16, u16, u16, void *);
 466         int (*fnw)(struct usbnet *, u8, u16, u16, u16, void *);
 467
 468         if (!in_pm) {
 469                 fnr = ax88179_read_cmd;
 470                 fnw = ax88179_write_cmd;
 471         } else {
 472                 fnr = ax88179_read_cmd_nopm;
 473                 fnw = ax88179_write_cmd_nopm;
 474         }
 475
 476         if (fnr(dev, AX_ACCESS_EEPROM, 0x43, 1, 2, &tmp16) < 0)
 477                 return 0;
 478
 479         if ((tmp16 == 0xFFFF) || (!(tmp16 & 0x0100)))
 480                 return 0;
 481
 482         /* Enable Auto Detach bit */
 483         tmp8 = 0;
 484         fnr(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, &tmp8);
 485         tmp8 |= AX_CLK_SELECT_ULR;
 486         fnw(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, &tmp8);
 487
 488         fnr(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, &tmp16);
 489         tmp16 |= AX_PHYPWR_RSTCTL_AT;
 490         fnw(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, &tmp16);
 491
 492         return 0;
 493 }
 494
 495 static int ax88179_resume(struct usb_interface *intf)
 496 {
 497         struct usbnet *dev = usb_get_intfdata(intf);
 498         u16 tmp16;
 499         u8 tmp8;
 500
 501         usbnet_link_change(dev, 0, 0);
 502
 503         /* Power up ethernet PHY */
 504         tmp16 = 0;
 505         ax88179_write_cmd_nopm(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL,
 506                                2, 2, &tmp16);
 507         udelay(1000);
 508
 509         tmp16 = AX_PHYPWR_RSTCTL_IPRL;
 510         ax88179_write_cmd_nopm(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL,
 511                                2, 2, &tmp16);
 512         msleep(200);
 513
 514         /* Ethernet PHY Auto Detach*/
 515         ax88179_auto_detach(dev, 1);
 516
 517         /* Enable clock */
 518         ax88179_read_cmd_nopm(dev, AX_ACCESS_MAC,  AX_CLK_SELECT, 1, 1, &tmp8);
 519         tmp8 |= AX_CLK_SELECT_ACS | AX_CLK_SELECT_BCS;
 520         ax88179_write_cmd_nopm(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, &tmp8);
 521         msleep(100);
 522
 523         /* Configure RX control register => start operation */
 524         tmp16 = AX_RX_CTL_DROPCRCERR | AX_RX_CTL_IPE | AX_RX_CTL_START |
 525                 AX_RX_CTL_AP | AX_RX_CTL_AMALL | AX_RX_CTL_AB;
 526         ax88179_write_cmd_nopm(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2, &tmp16);
 527
 528         return usbnet_resume(intf);
 529 }
 530
 531 static void
 532 ax88179_get_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo)
 533 {
 534         struct usbnet *dev = netdev_priv(net);
 535         u8 opt;
 536
 537         if (ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_MONITOR_MOD,
 538                              1, 1, &opt) < 0) {
 539                 wolinfo->supported = 0;
 540                 wolinfo->wolopts = 0;
 541                 return;
 542         }
 543
 544         wolinfo->supported = WAKE_PHY | WAKE_MAGIC;
 545         wolinfo->wolopts = 0;
 546         if (opt & AX_MONITOR_MODE_RWLC)
 547                 wolinfo->wolopts |= WAKE_PHY;
 548         if (opt & AX_MONITOR_MODE_RWMP)
 549                 wolinfo->wolopts |= WAKE_MAGIC;
 550 }
 551
 552 static int
 553 ax88179_set_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo)
 554 {
 555         struct usbnet *dev = netdev_priv(net);
 556         u8 opt = 0;
 557
 558         if (wolinfo->wolopts & ~(WAKE_PHY | WAKE_MAGIC))
 559                 return -EINVAL;
 560
 561         if (wolinfo->wolopts & WAKE_PHY)
 562                 opt |= AX_MONITOR_MODE_RWLC;
 563         if (wolinfo->wolopts & WAKE_MAGIC)
 564                 opt |= AX_MONITOR_MODE_RWMP;
 565
 566         if (ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MONITOR_MOD,
 567                               1, 1, &opt) < 0)
 568                 return -EINVAL;
 569
 570         return 0;
 571 }
 572
 573 static int ax88179_get_eeprom_len(struct net_device *net)
 574 {
 575         return AX_EEPROM_LEN;
 576 }
 577
 578 static int
 579 ax88179_get_eeprom(struct net_device *net, struct ethtool_eeprom *eeprom,
 580                    u8 *data)
 581 {
 582         struct usbnet *dev = netdev_priv(net);
 583         u16 *eeprom_buff;
 584         int first_word, last_word;
 585         int i, ret;
 586
 587         if (eeprom->len == 0)
 588                 return -EINVAL;
 589
 590         eeprom->magic = AX88179_EEPROM_MAGIC;
 591
 592         first_word = eeprom->offset >> 1;
 593         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 594         eeprom_buff = kmalloc_array(last_word - first_word + 1, sizeof(u16),
 595                                     GFP_KERNEL);
 596         if (!eeprom_buff)
 597                 return -ENOMEM;
 598
 599         /* ax88179/178A returns 2 bytes from eeprom on read */
 600         for (i = first_word; i <= last_word; i++) {
 601                 ret = __ax88179_read_cmd(dev, AX_ACCESS_EEPROM, i, 1, 2,
 602                                          &eeprom_buff[i - first_word],
 603                                          0);
 604                 if (ret < 0) {
 605                         kfree(eeprom_buff);
 606                         return -EIO;
 607                 }
 608         }
 609
 610         memcpy(data, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
 611         kfree(eeprom_buff);
 612         return 0;
 613 }
 614
 615 static int
 616 ax88179_set_eeprom(struct net_device *net, struct ethtool_eeprom *eeprom,
 617                    u8 *data)
 618 {
 619         struct usbnet *dev = netdev_priv(net);
 620         u16 *eeprom_buff;
 621         int first_word;
 622         int last_word;
 623         int ret;
 624         int i;
 625
 626         netdev_dbg(net, "write EEPROM len %d, offset %d, magic 0x%x\n",
 627                    eeprom->len, eeprom->offset, eeprom->magic);
 628
 629         if (eeprom->len == 0)
 630                 return -EINVAL;
 631
 632         if (eeprom->magic != AX88179_EEPROM_MAGIC)
 633                 return -EINVAL;
 634
 635         first_word = eeprom->offset >> 1;
 636         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 637
 638         eeprom_buff = kmalloc_array(last_word - first_word + 1, sizeof(u16),
 639                                     GFP_KERNEL);
 640         if (!eeprom_buff)
 641                 return -ENOMEM;
 642
 643         /* align data to 16 bit boundaries, read the missing data from
 644            the EEPROM */
 645         if (eeprom->offset & 1) {
 646                 ret = ax88179_read_cmd(dev, AX_ACCESS_EEPROM, first_word, 1, 2,
 647                                        &eeprom_buff[0]);
 648                 if (ret < 0) {
 649                         netdev_err(net, "Failed to read EEPROM at offset 0x%02x.\n", first_word);
 650                         goto free;
 651                 }
 652         }
 653
 654         if ((eeprom->offset + eeprom->len) & 1) {
 655                 ret = ax88179_read_cmd(dev, AX_ACCESS_EEPROM, last_word, 1, 2,
 656                                        &eeprom_buff[last_word - first_word]);
 657                 if (ret < 0) {
 658                         netdev_err(net, "Failed to read EEPROM at offset 0x%02x.\n", last_word);
 659                         goto free;
 660                 }
 661         }
 662
 663         memcpy((u8 *)eeprom_buff + (eeprom->offset & 1), data, eeprom->len);
 664
 665         for (i = first_word; i <= last_word; i++) {
 666                 netdev_dbg(net, "write to EEPROM at offset 0x%02x, data 0x%04x\n",
 667                            i, eeprom_buff[i - first_word]);
 668                 ret = ax88179_write_cmd(dev, AX_ACCESS_EEPROM, i, 1, 2,
 669                                         &eeprom_buff[i - first_word]);
 670                 if (ret < 0) {
 671                         netdev_err(net, "Failed to write EEPROM at offset 0x%02x.\n", i);
 672                         goto free;
 673                 }
 674                 msleep(20);
 675         }
 676
 677         /* reload EEPROM data */
 678         ret = ax88179_write_cmd(dev, AX_RELOAD_EEPROM_EFUSE, 0x0000, 0, 0, NULL);
 679         if (ret < 0) {
 680                 netdev_err(net, "Failed to reload EEPROM data\n");
 681                 goto free;
 682         }
 683
 684         ret = 0;
 685 free:
 686         kfree(eeprom_buff);
 687         return ret;
 688 }
 689
 690 static int ax88179_get_link_ksettings(struct net_device *net,
 691                                       struct ethtool_link_ksettings *cmd)
 692 {
 693         struct usbnet *dev = netdev_priv(net);
 694
 695         mii_ethtool_get_link_ksettings(&dev->mii, cmd);
 696
 697         return 0;
 698 }
 699
 700 static int ax88179_set_link_ksettings(struct net_device *net,
 701                                       const struct ethtool_link_ksettings *cmd)
 702 {
 703         struct usbnet *dev = netdev_priv(net);
 704         return mii_ethtool_set_link_ksettings(&dev->mii, cmd);
 705 }
 706
 707 static int
 708 ax88179_ethtool_get_eee(struct usbnet *dev, struct ethtool_eee *data)
 709 {
 710         int val;
 711
 712         /* Get Supported EEE */
 713         val = ax88179_phy_read_mmd_indirect(dev, MDIO_PCS_EEE_ABLE,
 714                                             MDIO_MMD_PCS);
 715         if (val < 0)
 716                 return val;
 717         data->supported = mmd_eee_cap_to_ethtool_sup_t(val);
 718
 719         /* Get advertisement EEE */
 720         val = ax88179_phy_read_mmd_indirect(dev, MDIO_AN_EEE_ADV,
 721                                             MDIO_MMD_AN);
 722         if (val < 0)
 723                 return val;
 724         data->advertised = mmd_eee_adv_to_ethtool_adv_t(val);
 725
 726         /* Get LP advertisement EEE */
 727         val = ax88179_phy_read_mmd_indirect(dev, MDIO_AN_EEE_LPABLE,
 728                                             MDIO_MMD_AN);
 729         if (val < 0)
 730                 return val;
 731         data->lp_advertised = mmd_eee_adv_to_ethtool_adv_t(val);
 732
 733         return 0;
 734 }
 735
 736 static int
 737 ax88179_ethtool_set_eee(struct usbnet *dev, struct ethtool_eee *data)
 738 {
 739         u16 tmp16 = ethtool_adv_to_mmd_eee_adv_t(data->advertised);
 740
 741         return ax88179_phy_write_mmd_indirect(dev, MDIO_AN_EEE_ADV,
 742                                               MDIO_MMD_AN, tmp16);
 743 }
 744
 745 static int ax88179_chk_eee(struct usbnet *dev)
 746 {
 747         struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET };
 748         struct ax88179_data *priv = (struct ax88179_data *)dev->data;
 749
 750         mii_ethtool_gset(&dev->mii, &ecmd);
 751
 752         if (ecmd.duplex & DUPLEX_FULL) {
 753                 int eee_lp, eee_cap, eee_adv;
 754                 u32 lp, cap, adv, supported = 0;
 755
 756                 eee_cap = ax88179_phy_read_mmd_indirect(dev,
 757                                                         MDIO_PCS_EEE_ABLE,
 758                                                         MDIO_MMD_PCS);
 759                 if (eee_cap < 0) {
 760                         priv->eee_active = 0;
 761                         return false;
 762                 }
 763
 764                 cap = mmd_eee_cap_to_ethtool_sup_t(eee_cap);
 765                 if (!cap) {
 766                         priv->eee_active = 0;
 767                         return false;
 768                 }
 769
 770                 eee_lp = ax88179_phy_read_mmd_indirect(dev,
 771                                                        MDIO_AN_EEE_LPABLE,
 772                                                        MDIO_MMD_AN);
 773                 if (eee_lp < 0) {
 774                         priv->eee_active = 0;
 775                         return false;
 776                 }
 777
 778                 eee_adv = ax88179_phy_read_mmd_indirect(dev,
 779                                                         MDIO_AN_EEE_ADV,
 780                                                         MDIO_MMD_AN);
 781
 782                 if (eee_adv < 0) {
 783                         priv->eee_active = 0;
 784                         return false;
 785                 }
 786
 787                 adv = mmd_eee_adv_to_ethtool_adv_t(eee_adv);
 788                 lp = mmd_eee_adv_to_ethtool_adv_t(eee_lp);
 789                 supported = (ecmd.speed == SPEED_1000) ?
 790                              SUPPORTED_1000baseT_Full :
 791                              SUPPORTED_100baseT_Full;
 792
 793                 if (!(lp & adv & supported)) {
 794                         priv->eee_active = 0;
 795                         return false;
 796                 }
 797
 798                 priv->eee_active = 1;
 799                 return true;
 800         }
 801
 802         priv->eee_active = 0;
 803         return false;
 804 }
 805
 806 static void ax88179_disable_eee(struct usbnet *dev)
 807 {
 808         u16 tmp16;
 809
 810         tmp16 = GMII_PHY_PGSEL_PAGE3;
 811         ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
 812                           GMII_PHY_PAGE_SELECT, 2, &tmp16);
 813
 814         tmp16 = 0x3246;
 815         ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
 816                           MII_PHYADDR, 2, &tmp16);
 817
 818         tmp16 = GMII_PHY_PGSEL_PAGE0;
 819         ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
 820                           GMII_PHY_PAGE_SELECT, 2, &tmp16);
 821 }
 822
 823 static void ax88179_enable_eee(struct usbnet *dev)
 824 {
 825         u16 tmp16;
 826
 827         tmp16 = GMII_PHY_PGSEL_PAGE3;
 828         ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
 829                           GMII_PHY_PAGE_SELECT, 2, &tmp16);
 830
 831         tmp16 = 0x3247;
 832         ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
 833                           MII_PHYADDR, 2, &tmp16);
 834
 835         tmp16 = GMII_PHY_PGSEL_PAGE5;
 836         ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
 837                           GMII_PHY_PAGE_SELECT, 2, &tmp16);
 838
 839         tmp16 = 0x0680;
 840         ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
 841                           MII_BMSR, 2, &tmp16);
 842
 843         tmp16 = GMII_PHY_PGSEL_PAGE0;
 844         ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
 845                           GMII_PHY_PAGE_SELECT, 2, &tmp16);
 846 }
 847
 848 static int ax88179_get_eee(struct net_device *net, struct ethtool_eee *edata)
 849 {
 850         struct usbnet *dev = netdev_priv(net);
 851         struct ax88179_data *priv = (struct ax88179_data *)dev->data;
 852
 853         edata->eee_enabled = priv->eee_enabled;
 854         edata->eee_active = priv->eee_active;
 855
 856         return ax88179_ethtool_get_eee(dev, edata);
 857 }
 858
 859 static int ax88179_set_eee(struct net_device *net, struct ethtool_eee *edata)
 860 {
 861         struct usbnet *dev = netdev_priv(net);
 862         struct ax88179_data *priv = (struct ax88179_data *)dev->data;
 863         int ret;
 864
 865         priv->eee_enabled = edata->eee_enabled;
 866         if (!priv->eee_enabled) {
 867                 ax88179_disable_eee(dev);
 868         } else {
 869                 priv->eee_enabled = ax88179_chk_eee(dev);
 870                 if (!priv->eee_enabled)
 871                         return -EOPNOTSUPP;
 872
 873                 ax88179_enable_eee(dev);
 874         }
 875
 876         ret = ax88179_ethtool_set_eee(dev, edata);
 877         if (ret)
 878                 return ret;
 879
 880         mii_nway_restart(&dev->mii);
 881
 882         usbnet_link_change(dev, 0, 0);
 883
 884         return ret;
 885 }
 886
 887 static int ax88179_ioctl(struct net_device *net, struct ifreq *rq, int cmd)
 888 {
 889         struct usbnet *dev = netdev_priv(net);
 890         return generic_mii_ioctl(&dev->mii, if_mii(rq), cmd, NULL);
 891 }
 892
 893 static const struct ethtool_ops ax88179_ethtool_ops = {
 894         .get_link               = ethtool_op_get_link,
 895         .get_msglevel           = usbnet_get_msglevel,
 896         .set_msglevel           = usbnet_set_msglevel,
 897         .get_wol                = ax88179_get_wol,
 898         .set_wol                = ax88179_set_wol,
 899         .get_eeprom_len         = ax88179_get_eeprom_len,
 900         .get_eeprom             = ax88179_get_eeprom,
 901         .set_eeprom             = ax88179_set_eeprom,
 902         .get_eee                = ax88179_get_eee,
 903         .set_eee                = ax88179_set_eee,
 904         .nway_reset             = usbnet_nway_reset,
 905         .get_link_ksettings     = ax88179_get_link_ksettings,
 906         .set_link_ksettings     = ax88179_set_link_ksettings,
 907         .get_ts_info            = ethtool_op_get_ts_info,
 908 };
 909
 910 static void ax88179_set_multicast(struct net_device *net)
 911 {
 912         struct usbnet *dev = netdev_priv(net);
 913         struct ax88179_data *data = (struct ax88179_data *)dev->data;
 914         u8 *m_filter = ((u8 *)dev->data) + 12;
 915
 916         data->rxctl = (AX_RX_CTL_START | AX_RX_CTL_AB | AX_RX_CTL_IPE);
 917
 918         if (net->flags & IFF_PROMISC) {
 919                 data->rxctl |= AX_RX_CTL_PRO;
 920         } else if (net->flags & IFF_ALLMULTI ||
 921                    netdev_mc_count(net) > AX_MAX_MCAST) {
 922                 data->rxctl |= AX_RX_CTL_AMALL;
 923         } else if (netdev_mc_empty(net)) {
 924                 /* just broadcast and directed */
 925         } else {
 926                 /* We use the 20 byte dev->data for our 8 byte filter buffer
 927                  * to avoid allocating memory that is tricky to free later
 928                  */
 929                 u32 crc_bits;
 930                 struct netdev_hw_addr *ha;
 931
 932                 memset(m_filter, 0, AX_MCAST_FLTSIZE);
 933
 934                 netdev_for_each_mc_addr(ha, net) {
 935                         crc_bits = ether_crc(ETH_ALEN, ha->addr) >> 26;
 936                         *(m_filter + (crc_bits >> 3)) |= (1 << (crc_bits & 7));
 937                 }
 938
 939                 ax88179_write_cmd_async(dev, AX_ACCESS_MAC, AX_MULFLTARY,
 940                                         AX_MCAST_FLTSIZE, AX_MCAST_FLTSIZE,
 941                                         m_filter);
 942
 943                 data->rxctl |= AX_RX_CTL_AM;
 944         }
 945
 946         ax88179_write_cmd_async(dev, AX_ACCESS_MAC, AX_RX_CTL,
 947                                 2, 2, &data->rxctl);
 948 }
 949
 950 static int
 951 ax88179_set_features(struct net_device *net, netdev_features_t features)
 952 {
 953         u8 tmp;
 954         struct usbnet *dev = netdev_priv(net);
 955         netdev_features_t changed = net->features ^ features;
 956
 957         if (changed & NETIF_F_IP_CSUM) {
 958                 ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_TXCOE_CTL, 1, 1, &tmp);
 959                 tmp ^= AX_TXCOE_TCP | AX_TXCOE_UDP;
 960                 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_TXCOE_CTL, 1, 1, &tmp);
 961         }
 962
 963         if (changed & NETIF_F_IPV6_CSUM) {
 964                 ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_TXCOE_CTL, 1, 1, &tmp);
 965                 tmp ^= AX_TXCOE_TCPV6 | AX_TXCOE_UDPV6;
 966                 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_TXCOE_CTL, 1, 1, &tmp);
 967         }
 968
 969         if (changed & NETIF_F_RXCSUM) {
 970                 ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_RXCOE_CTL, 1, 1, &tmp);
 971                 tmp ^= AX_RXCOE_IP | AX_RXCOE_TCP | AX_RXCOE_UDP |
 972                        AX_RXCOE_TCPV6 | AX_RXCOE_UDPV6;
 973                 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RXCOE_CTL, 1, 1, &tmp);
 974         }
 975
 976         return 0;
 977 }
 978
 979 static int ax88179_change_mtu(struct net_device *net, int new_mtu)
 980 {
 981         struct usbnet *dev = netdev_priv(net);
 982         u16 tmp16;
 983
 984         net->mtu = new_mtu;
 985         dev->hard_mtu = net->mtu + net->hard_header_len;
 986
 987         if (net->mtu > 1500) {
 988                 ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
 989                                  2, 2, &tmp16);
 990                 tmp16 |= AX_MEDIUM_JUMBO_EN;
 991                 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
 992                                   2, 2, &tmp16);
 993         } else {
 994                 ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
 995                                  2, 2, &tmp16);
 996                 tmp16 &= ~AX_MEDIUM_JUMBO_EN;
 997                 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
 998                                   2, 2, &tmp16);
 999         }
1000
1001         /* max qlen depend on hard_mtu and rx_urb_size */
1002         usbnet_update_max_qlen(dev);
1003
1004         return 0;
1005 }
1006
1007 static int ax88179_set_mac_addr(struct net_device *net, void *p)
1008 {
1009         struct usbnet *dev = netdev_priv(net);
1010         struct sockaddr *addr = p;
1011         int ret;
1012
1013         if (netif_running(net))
1014                 return -EBUSY;
1015         if (!is_valid_ether_addr(addr->sa_data))
1016                 return -EADDRNOTAVAIL;
1017
1018         memcpy(net->dev_addr, addr->sa_data, ETH_ALEN);
1019
1020         /* Set the MAC address */
1021         ret = ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_NODE_ID, ETH_ALEN,
1022                                  ETH_ALEN, net->dev_addr);
1023         if (ret < 0)
1024                 return ret;
1025
1026         return 0;
1027 }
1028
1029 static const struct net_device_ops ax88179_netdev_ops = {
1030         .ndo_open               = usbnet_open,
1031         .ndo_stop               = usbnet_stop,
1032         .ndo_start_xmit         = usbnet_start_xmit,
1033         .ndo_tx_timeout         = usbnet_tx_timeout,
1034         .ndo_get_stats64        = dev_get_tstats64,
1035         .ndo_change_mtu         = ax88179_change_mtu,
1036         .ndo_set_mac_address    = ax88179_set_mac_addr,
1037         .ndo_validate_addr      = eth_validate_addr,
1038         .ndo_do_ioctl           = ax88179_ioctl,
1039         .ndo_set_rx_mode        = ax88179_set_multicast,
1040         .ndo_set_features       = ax88179_set_features,
1041 };
1042
1043 static int ax88179_check_eeprom(struct usbnet *dev)
1044 {
1045         u8 i, buf, eeprom[20];
1046         u16 csum, delay = HZ / 10;
1047         unsigned long jtimeout;
1048
1049         /* Read EEPROM content */
1050         for (i = 0; i < 6; i++) {
1051                 buf = i;
1052                 if (ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_SROM_ADDR,
1053                                       1, 1, &buf) < 0)
1054                         return -EINVAL;
1055
1056                 buf = EEP_RD;
1057                 if (ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_SROM_CMD,
1058                                       1, 1, &buf) < 0)
1059                         return -EINVAL;
1060
1061                 jtimeout = jiffies + delay;
1062                 do {
1063                         ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_SROM_CMD,
1064                                          1, 1, &buf);
1065
1066                         if (time_after(jiffies, jtimeout))
1067                                 return -EINVAL;
1068
1069                 } while (buf & EEP_BUSY);
1070
1071                 __ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_SROM_DATA_LOW,
1072                                    2, 2, &eeprom[i * 2], 0);
1073
1074                 if ((i == 0) && (eeprom[0] == 0xFF))
1075                         return -EINVAL;
1076         }
1077
1078         csum = eeprom[6] + eeprom[7] + eeprom[8] + eeprom[9];
1079         csum = (csum >> 8) + (csum & 0xff);
1080         if ((csum + eeprom[10]) != 0xff)
1081                 return -EINVAL;
1082
1083         return 0;
1084 }
1085
1086 static int ax88179_check_efuse(struct usbnet *dev, u16 *ledmode)
1087 {
1088         u8      i;
1089         u8      efuse[64];
1090         u16     csum = 0;
1091
1092         if (ax88179_read_cmd(dev, AX_ACCESS_EFUS, 0, 64, 64, efuse) < 0)
1093                 return -EINVAL;
1094
1095         if (*efuse == 0xFF)
1096                 return -EINVAL;
1097
1098         for (i = 0; i < 64; i++)
1099                 csum = csum + efuse[i];
1100
1101         while (csum > 255)
1102                 csum = (csum & 0x00FF) + ((csum >> 8) & 0x00FF);
1103
1104         if (csum != 0xFF)
1105                 return -EINVAL;
1106
1107         *ledmode = (efuse[51] << 8) | efuse[52];
1108
1109         return 0;
1110 }
1111
1112 static int ax88179_convert_old_led(struct usbnet *dev, u16 *ledvalue)
1113 {
1114         u16 led;
1115
1116         /* Loaded the old eFuse LED Mode */
1117         if (ax88179_read_cmd(dev, AX_ACCESS_EEPROM, 0x3C, 1, 2, &led) < 0)
1118                 return -EINVAL;
1119
1120         led >>= 8;
1121         switch (led) {
1122         case 0xFF:
1123                 led = LED0_ACTIVE | LED1_LINK_10 | LED1_LINK_100 |
1124                       LED1_LINK_1000 | LED2_ACTIVE | LED2_LINK_10 |
1125                       LED2_LINK_100 | LED2_LINK_1000 | LED_VALID;
1126                 break;
1127         case 0xFE:
1128                 led = LED0_ACTIVE | LED1_LINK_1000 | LED2_LINK_100 | LED_VALID;
1129                 break;
1130         case 0xFD:
1131                 led = LED0_ACTIVE | LED1_LINK_1000 | LED2_LINK_100 |
1132                       LED2_LINK_10 | LED_VALID;
1133                 break;
1134         case 0xFC:
1135                 led = LED0_ACTIVE | LED1_ACTIVE | LED1_LINK_1000 | LED2_ACTIVE |
1136                       LED2_LINK_100 | LED2_LINK_10 | LED_VALID;
1137                 break;
1138         default:
1139                 led = LED0_ACTIVE | LED1_LINK_10 | LED1_LINK_100 |
1140                       LED1_LINK_1000 | LED2_ACTIVE | LED2_LINK_10 |
1141                       LED2_LINK_100 | LED2_LINK_1000 | LED_VALID;
1142                 break;
1143         }
1144
1145         *ledvalue = led;
1146
1147         return 0;
1148 }
1149
1150 static int ax88179_led_setting(struct usbnet *dev)
1151 {
1152         u8 ledfd, value = 0;
1153         u16 tmp, ledact, ledlink, ledvalue = 0, delay = HZ / 10;
1154         unsigned long jtimeout;
1155
1156         /* Check AX88179 version. UA1 or UA2*/
1157         ax88179_read_cmd(dev, AX_ACCESS_MAC, GENERAL_STATUS, 1, 1, &value);
1158
1159         if (!(value & AX_SECLD)) {      /* UA1 */
1160                 value = AX_GPIO_CTRL_GPIO3EN | AX_GPIO_CTRL_GPIO2EN |
1161                         AX_GPIO_CTRL_GPIO1EN;
1162                 if (ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_GPIO_CTRL,
1163                                       1, 1, &value) < 0)
1164                         return -EINVAL;
1165         }
1166
1167         /* Check EEPROM */
1168         if (!ax88179_check_eeprom(dev)) {
1169                 value = 0x42;
1170                 if (ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_SROM_ADDR,
1171                                       1, 1, &value) < 0)
1172                         return -EINVAL;
1173
1174                 value = EEP_RD;
1175                 if (ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_SROM_CMD,
1176                                       1, 1, &value) < 0)
1177                         return -EINVAL;
1178
1179                 jtimeout = jiffies + delay;
1180                 do {
1181                         ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_SROM_CMD,
1182                                          1, 1, &value);
1183
1184                         if (time_after(jiffies, jtimeout))
1185                                 return -EINVAL;
1186
1187                 } while (value & EEP_BUSY);
1188
1189                 ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_SROM_DATA_HIGH,
1190                                  1, 1, &value);
1191                 ledvalue = (value << 8);
1192
1193                 ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_SROM_DATA_LOW,
1194                                  1, 1, &value);
1195                 ledvalue |= value;
1196
1197                 /* load internal ROM for defaule setting */
1198                 if ((ledvalue == 0xFFFF) || ((ledvalue & LED_VALID) == 0))
1199                         ax88179_convert_old_led(dev, &ledvalue);
1200
1201         } else if (!ax88179_check_efuse(dev, &ledvalue)) {
1202                 if ((ledvalue == 0xFFFF) || ((ledvalue & LED_VALID) == 0))
1203                         ax88179_convert_old_led(dev, &ledvalue);
1204         } else {
1205                 ax88179_convert_old_led(dev, &ledvalue);
1206         }
1207
1208         tmp = GMII_PHY_PGSEL_EXT;
1209         ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1210                           GMII_PHY_PAGE_SELECT, 2, &tmp);
1211
1212         tmp = 0x2c;
1213         ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1214                           GMII_PHYPAGE, 2, &tmp);
1215
1216         ax88179_read_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1217                          GMII_LED_ACT, 2, &ledact);
1218
1219         ax88179_read_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1220                          GMII_LED_LINK, 2, &ledlink);
1221
1222         ledact &= GMII_LED_ACTIVE_MASK;
1223         ledlink &= GMII_LED_LINK_MASK;
1224
1225         if (ledvalue & LED0_ACTIVE)
1226                 ledact |= GMII_LED0_ACTIVE;
1227
1228         if (ledvalue & LED1_ACTIVE)
1229                 ledact |= GMII_LED1_ACTIVE;
1230
1231         if (ledvalue & LED2_ACTIVE)
1232                 ledact |= GMII_LED2_ACTIVE;
1233
1234         if (ledvalue & LED0_LINK_10)
1235                 ledlink |= GMII_LED0_LINK_10;
1236
1237         if (ledvalue & LED1_LINK_10)
1238                 ledlink |= GMII_LED1_LINK_10;
1239
1240         if (ledvalue & LED2_LINK_10)
1241                 ledlink |= GMII_LED2_LINK_10;
1242
1243         if (ledvalue & LED0_LINK_100)
1244                 ledlink |= GMII_LED0_LINK_100;
1245
1246         if (ledvalue & LED1_LINK_100)
1247                 ledlink |= GMII_LED1_LINK_100;
1248
1249         if (ledvalue & LED2_LINK_100)
1250                 ledlink |= GMII_LED2_LINK_100;
1251
1252         if (ledvalue & LED0_LINK_1000)
1253                 ledlink |= GMII_LED0_LINK_1000;
1254
1255         if (ledvalue & LED1_LINK_1000)
1256                 ledlink |= GMII_LED1_LINK_1000;
1257
1258         if (ledvalue & LED2_LINK_1000)
1259                 ledlink |= GMII_LED2_LINK_1000;
1260
1261         tmp = ledact;
1262         ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1263                           GMII_LED_ACT, 2, &tmp);
1264
1265         tmp = ledlink;
1266         ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1267                           GMII_LED_LINK, 2, &tmp);
1268
1269         tmp = GMII_PHY_PGSEL_PAGE0;
1270         ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1271                           GMII_PHY_PAGE_SELECT, 2, &tmp);
1272
1273         /* LED full duplex setting */
1274         ledfd = 0;
1275         if (ledvalue & LED0_FD)
1276                 ledfd |= 0x01;
1277         else if ((ledvalue & LED0_USB3_MASK) == 0)
1278                 ledfd |= 0x02;
1279
1280         if (ledvalue & LED1_FD)
1281                 ledfd |= 0x04;
1282         else if ((ledvalue & LED1_USB3_MASK) == 0)
1283                 ledfd |= 0x08;
1284
1285         if (ledvalue & LED2_FD)
1286                 ledfd |= 0x10;
1287         else if ((ledvalue & LED2_USB3_MASK) == 0)
1288                 ledfd |= 0x20;
1289
1290         ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_LEDCTRL, 1, 1, &ledfd);
1291
1292         return 0;
1293 }
1294
1295 static void ax88179_get_mac_addr(struct usbnet *dev)
1296 {
1297         u8 mac[ETH_ALEN];
1298
1299         /* Maybe the boot loader passed the MAC address via device tree */
1300         if (!eth_platform_get_mac_address(&dev->udev->dev, mac)) {
1301                 netif_dbg(dev, ifup, dev->net,
1302                           "MAC address read from device tree");
1303         } else {
1304                 ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_NODE_ID, ETH_ALEN,
1305                                  ETH_ALEN, mac);
1306                 netif_dbg(dev, ifup, dev->net,
1307                           "MAC address read from ASIX chip");
1308         }
1309
1310         if (is_valid_ether_addr(mac)) {
1311                 memcpy(dev->net->dev_addr, mac, ETH_ALEN);
1312         } else {
1313                 netdev_info(dev->net, "invalid MAC address, using random\n");
1314                 eth_hw_addr_random(dev->net);
1315         }
1316
1317         ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_NODE_ID, ETH_ALEN, ETH_ALEN,
1318                           dev->net->dev_addr);
1319 }
1320
1321 static int ax88179_bind(struct usbnet *dev, struct usb_interface *intf)
1322 {
1323         u8 buf[5];
1324         u16 *tmp16;
1325         u8 *tmp;
1326         struct ax88179_data *ax179_data = (struct ax88179_data *)dev->data;
1327         struct ethtool_eee eee_data;
1328
1329         usbnet_get_endpoints(dev, intf);
1330
1331         tmp16 = (u16 *)buf;
1332         tmp = (u8 *)buf;
1333
1334         memset(ax179_data, 0, sizeof(*ax179_data));
1335
1336         /* Power up ethernet PHY */
1337         *tmp16 = 0;
1338         ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, tmp16);
1339         *tmp16 = AX_PHYPWR_RSTCTL_IPRL;
1340         ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, tmp16);
1341         msleep(200);
1342
1343         *tmp = AX_CLK_SELECT_ACS | AX_CLK_SELECT_BCS;
1344         ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, tmp);
1345         msleep(100);
1346
1347         /* Read MAC address from DTB or asix chip */
1348         ax88179_get_mac_addr(dev);
1349         memcpy(dev->net->perm_addr, dev->net->dev_addr, ETH_ALEN);
1350
1351         /* RX bulk configuration */
1352         memcpy(tmp, &AX88179_BULKIN_SIZE[0], 5);
1353         ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_BULKIN_QCTRL, 5, 5, tmp);
1354
1355         dev->rx_urb_size = 1024 * 20;
1356
1357         *tmp = 0x34;
1358         ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PAUSE_WATERLVL_LOW, 1, 1, tmp);
1359
1360         *tmp = 0x52;
1361         ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PAUSE_WATERLVL_HIGH,
1362                           1, 1, tmp);
1363
1364         dev->net->netdev_ops = &ax88179_netdev_ops;
1365         dev->net->ethtool_ops = &ax88179_ethtool_ops;
1366         dev->net->needed_headroom = 8;
1367         dev->net->max_mtu = 4088;
1368
1369         /* Initialize MII structure */
1370         dev->mii.dev = dev->net;
1371         dev->mii.mdio_read = ax88179_mdio_read;
1372         dev->mii.mdio_write = ax88179_mdio_write;
1373         dev->mii.phy_id_mask = 0xff;
1374         dev->mii.reg_num_mask = 0xff;
1375         dev->mii.phy_id = 0x03;
1376         dev->mii.supports_gmii = 1;
1377
1378         dev->net->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
1379                               NETIF_F_RXCSUM;
1380
1381         dev->net->hw_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
1382                                  NETIF_F_RXCSUM;
1383
1384         /* Enable checksum offload */
1385         *tmp = AX_RXCOE_IP | AX_RXCOE_TCP | AX_RXCOE_UDP |
1386                AX_RXCOE_TCPV6 | AX_RXCOE_UDPV6;
1387         ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RXCOE_CTL, 1, 1, tmp);
1388
1389         *tmp = AX_TXCOE_IP | AX_TXCOE_TCP | AX_TXCOE_UDP |
1390                AX_TXCOE_TCPV6 | AX_TXCOE_UDPV6;
1391         ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_TXCOE_CTL, 1, 1, tmp);
1392
1393         /* Configure RX control register => start operation */
1394         *tmp16 = AX_RX_CTL_DROPCRCERR | AX_RX_CTL_IPE | AX_RX_CTL_START |
1395                  AX_RX_CTL_AP | AX_RX_CTL_AMALL | AX_RX_CTL_AB;
1396         ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2, tmp16);
1397
1398         *tmp = AX_MONITOR_MODE_PMETYPE | AX_MONITOR_MODE_PMEPOL |
1399                AX_MONITOR_MODE_RWMP;
1400         ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MONITOR_MOD, 1, 1, tmp);
1401
1402         /* Configure default medium type => giga */
1403         *tmp16 = AX_MEDIUM_RECEIVE_EN | AX_MEDIUM_TXFLOW_CTRLEN |
1404                  AX_MEDIUM_RXFLOW_CTRLEN | AX_MEDIUM_FULL_DUPLEX |
1405                  AX_MEDIUM_GIGAMODE;
1406         ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
1407                           2, 2, tmp16);
1408
1409         ax88179_led_setting(dev);
1410
1411         ax179_data->eee_enabled = 0;
1412         ax179_data->eee_active = 0;
1413
1414         ax88179_disable_eee(dev);
1415
1416         ax88179_ethtool_get_eee(dev, &eee_data);
1417         eee_data.advertised = 0;
1418         ax88179_ethtool_set_eee(dev, &eee_data);
1419
1420         /* Restart autoneg */
1421         mii_nway_restart(&dev->mii);
1422
1423         usbnet_link_change(dev, 0, 0);
1424
1425         return 0;
1426 }
1427
1428 static void ax88179_unbind(struct usbnet *dev, struct usb_interface *intf)
1429 {
1430         u16 tmp16;
1431
1432         /* Configure RX control register => stop operation */
1433         tmp16 = AX_RX_CTL_STOP;
1434         ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2, &tmp16);
1435
1436         tmp16 = 0;
1437         ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, &tmp16);
1438
1439         /* Power down ethernet PHY */
1440         tmp16 = 0;
1441         ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, &tmp16);
1442 }
1443
1444 static void
1445 ax88179_rx_checksum(struct sk_buff *skb, u32 *pkt_hdr)
1446 {
1447         skb->ip_summed = CHECKSUM_NONE;
1448
1449         /* checksum error bit is set */
1450         if ((*pkt_hdr & AX_RXHDR_L3CSUM_ERR) ||
1451             (*pkt_hdr & AX_RXHDR_L4CSUM_ERR))
1452                 return;
1453
1454         /* It must be a TCP or UDP packet with a valid checksum */
1455         if (((*pkt_hdr & AX_RXHDR_L4_TYPE_MASK) == AX_RXHDR_L4_TYPE_TCP) ||
1456             ((*pkt_hdr & AX_RXHDR_L4_TYPE_MASK) == AX_RXHDR_L4_TYPE_UDP))
1457                 skb->ip_summed = CHECKSUM_UNNECESSARY;
1458 }
1459
1460 static int ax88179_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
1461 {
1462         struct sk_buff *ax_skb;
1463         int pkt_cnt;
1464         u32 rx_hdr;
1465         u16 hdr_off;
1466         u32 *pkt_hdr;
1467
1468         /* This check is no longer done by usbnet */
1469         if (skb->len < dev->net->hard_header_len)
1470                 return 0;
1471
1472         skb_trim(skb, skb->len - 4);
1473         rx_hdr = get_unaligned_le32(skb_tail_pointer(skb));
1474
1475         pkt_cnt = (u16)rx_hdr;
1476         hdr_off = (u16)(rx_hdr >> 16);
1477         pkt_hdr = (u32 *)(skb->data + hdr_off);
1478
1479         while (pkt_cnt--) {
1480                 u16 pkt_len;
1481
1482                 le32_to_cpus(pkt_hdr);
1483                 pkt_len = (*pkt_hdr >> 16) & 0x1fff;
1484
1485                 /* Check CRC or runt packet */
1486                 if ((*pkt_hdr & AX_RXHDR_CRC_ERR) ||
1487                     (*pkt_hdr & AX_RXHDR_DROP_ERR)) {
1488                         skb_pull(skb, (pkt_len + 7) & 0xFFF8);
1489                         pkt_hdr++;
1490                         continue;
1491                 }
1492
1493                 if (pkt_cnt == 0) {
1494                         skb->len = pkt_len;
1495                         /* Skip IP alignment pseudo header */
1496                         skb_pull(skb, 2);
1497                         skb_set_tail_pointer(skb, skb->len);
1498                         skb->truesize = pkt_len + sizeof(struct sk_buff);
1499                         ax88179_rx_checksum(skb, pkt_hdr);
1500                         return 1;
1501                 }
1502
1503                 ax_skb = skb_clone(skb, GFP_ATOMIC);
1504                 if (ax_skb) {
1505                         ax_skb->len = pkt_len;
1506                         /* Skip IP alignment pseudo header */
1507                         skb_pull(ax_skb, 2);
1508                         skb_set_tail_pointer(ax_skb, ax_skb->len);
1509                         ax_skb->truesize = pkt_len + sizeof(struct sk_buff);
1510                         ax88179_rx_checksum(ax_skb, pkt_hdr);
1511                         usbnet_skb_return(dev, ax_skb);
1512                 } else {
1513                         return 0;
1514                 }
1515
1516                 skb_pull(skb, (pkt_len + 7) & 0xFFF8);
1517                 pkt_hdr++;
1518         }
1519         return 1;
1520 }
1521
1522 static struct sk_buff *
1523 ax88179_tx_fixup(struct usbnet *dev, struct sk_buff *skb, gfp_t flags)
1524 {
1525         u32 tx_hdr1, tx_hdr2;
1526         int frame_size = dev->maxpacket;
1527         int mss = skb_shinfo(skb)->gso_size;
1528         int headroom;
1529         void *ptr;
1530
1531         tx_hdr1 = skb->len;
1532         tx_hdr2 = mss;
1533         if (((skb->len + 8) % frame_size) == 0)
1534                 tx_hdr2 |= 0x80008000;  /* Enable padding */
1535
1536         headroom = skb_headroom(skb) - 8;
1537
1538         if ((skb_header_cloned(skb) || headroom < 0) &&
1539             pskb_expand_head(skb, headroom < 0 ? 8 : 0, 0, GFP_ATOMIC)) {
1540                 dev_kfree_skb_any(skb);
1541                 return NULL;
1542         }
1543
1544         ptr = skb_push(skb, 8);
1545         put_unaligned_le32(tx_hdr1, ptr);
1546         put_unaligned_le32(tx_hdr2, ptr + 4);
1547
1548         return skb;
1549 }
1550
1551 static int ax88179_link_reset(struct usbnet *dev)
1552 {
1553         struct ax88179_data *ax179_data = (struct ax88179_data *)dev->data;
1554         u8 tmp[5], link_sts;
1555         u16 mode, tmp16, delay = HZ / 10;
1556         u32 tmp32 = 0x40000000;
1557         unsigned long jtimeout;
1558
1559         jtimeout = jiffies + delay;
1560         while (tmp32 & 0x40000000) {
1561                 mode = 0;
1562                 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2, &mode);
1563                 ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2,
1564                                   &ax179_data->rxctl);
1565
1566                 /*link up, check the usb device control TX FIFO full or empty*/
1567                 ax88179_read_cmd(dev, 0x81, 0x8c, 0, 4, &tmp32);
1568
1569                 if (time_after(jiffies, jtimeout))
1570                         return 0;
1571         }
1572
1573         mode = AX_MEDIUM_RECEIVE_EN | AX_MEDIUM_TXFLOW_CTRLEN |
1574                AX_MEDIUM_RXFLOW_CTRLEN;
1575
1576         ax88179_read_cmd(dev, AX_ACCESS_MAC, PHYSICAL_LINK_STATUS,
1577                          1, 1, &link_sts);
1578
1579         ax88179_read_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1580                          GMII_PHY_PHYSR, 2, &tmp16);
1581
1582         if (!(tmp16 & GMII_PHY_PHYSR_LINK)) {
1583                 return 0;
1584         } else if (GMII_PHY_PHYSR_GIGA == (tmp16 & GMII_PHY_PHYSR_SMASK)) {
1585                 mode |= AX_MEDIUM_GIGAMODE | AX_MEDIUM_EN_125MHZ;
1586                 if (dev->net->mtu > 1500)
1587                         mode |= AX_MEDIUM_JUMBO_EN;
1588
1589                 if (link_sts & AX_USB_SS)
1590                         memcpy(tmp, &AX88179_BULKIN_SIZE[0], 5);
1591                 else if (link_sts & AX_USB_HS)
1592                         memcpy(tmp, &AX88179_BULKIN_SIZE[1], 5);
1593                 else
1594                         memcpy(tmp, &AX88179_BULKIN_SIZE[3], 5);
1595         } else if (GMII_PHY_PHYSR_100 == (tmp16 & GMII_PHY_PHYSR_SMASK)) {
1596                 mode |= AX_MEDIUM_PS;
1597
1598                 if (link_sts & (AX_USB_SS | AX_USB_HS))
1599                         memcpy(tmp, &AX88179_BULKIN_SIZE[2], 5);
1600                 else
1601                         memcpy(tmp, &AX88179_BULKIN_SIZE[3], 5);
1602         } else {
1603                 memcpy(tmp, &AX88179_BULKIN_SIZE[3], 5);
1604         }
1605
1606         /* RX bulk configuration */
1607         ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_BULKIN_QCTRL, 5, 5, tmp);
1608
1609         dev->rx_urb_size = (1024 * (tmp[3] + 2));
1610
1611         if (tmp16 & GMII_PHY_PHYSR_FULL)
1612                 mode |= AX_MEDIUM_FULL_DUPLEX;
1613         ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
1614                           2, 2, &mode);
1615
1616         ax179_data->eee_enabled = ax88179_chk_eee(dev);
1617
1618         netif_carrier_on(dev->net);
1619
1620         return 0;
1621 }
1622
1623 static int ax88179_reset(struct usbnet *dev)
1624 {
1625         u8 buf[5];
1626         u16 *tmp16;
1627         u8 *tmp;
1628         struct ax88179_data *ax179_data = (struct ax88179_data *)dev->data;
1629         struct ethtool_eee eee_data;
1630
1631         tmp16 = (u16 *)buf;
1632         tmp = (u8 *)buf;
1633
1634         /* Power up ethernet PHY */
1635         *tmp16 = 0;
1636         ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, tmp16);
1637
1638         *tmp16 = AX_PHYPWR_RSTCTL_IPRL;
1639         ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, tmp16);
1640         msleep(200);
1641
1642         *tmp = AX_CLK_SELECT_ACS | AX_CLK_SELECT_BCS;
1643         ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, tmp);
1644         msleep(100);
1645
1646         /* Ethernet PHY Auto Detach*/
1647         ax88179_auto_detach(dev, 0);
1648
1649         /* Read MAC address from DTB or asix chip */
1650         ax88179_get_mac_addr(dev);
1651
1652         /* RX bulk configuration */
1653         memcpy(tmp, &AX88179_BULKIN_SIZE[0], 5);
1654         ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_BULKIN_QCTRL, 5, 5, tmp);
1655
1656         dev->rx_urb_size = 1024 * 20;
1657
1658         *tmp = 0x34;
1659         ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PAUSE_WATERLVL_LOW, 1, 1, tmp);
1660
1661         *tmp = 0x52;
1662         ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PAUSE_WATERLVL_HIGH,
1663                           1, 1, tmp);
1664
1665         dev->net->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
1666                               NETIF_F_RXCSUM;
1667
1668         dev->net->hw_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
1669                                  NETIF_F_RXCSUM;
1670
1671         /* Enable checksum offload */
1672         *tmp = AX_RXCOE_IP | AX_RXCOE_TCP | AX_RXCOE_UDP |
1673                AX_RXCOE_TCPV6 | AX_RXCOE_UDPV6;
1674         ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RXCOE_CTL, 1, 1, tmp);
1675
1676         *tmp = AX_TXCOE_IP | AX_TXCOE_TCP | AX_TXCOE_UDP |
1677                AX_TXCOE_TCPV6 | AX_TXCOE_UDPV6;
1678         ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_TXCOE_CTL, 1, 1, tmp);
1679
1680         /* Configure RX control register => start operation */
1681         *tmp16 = AX_RX_CTL_DROPCRCERR | AX_RX_CTL_IPE | AX_RX_CTL_START |
1682                  AX_RX_CTL_AP | AX_RX_CTL_AMALL | AX_RX_CTL_AB;
1683         ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2, tmp16);
1684
1685         *tmp = AX_MONITOR_MODE_PMETYPE | AX_MONITOR_MODE_PMEPOL |
1686                AX_MONITOR_MODE_RWMP;
1687         ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MONITOR_MOD, 1, 1, tmp);
1688
1689         /* Configure default medium type => giga */
1690         *tmp16 = AX_MEDIUM_RECEIVE_EN | AX_MEDIUM_TXFLOW_CTRLEN |
1691                  AX_MEDIUM_RXFLOW_CTRLEN | AX_MEDIUM_FULL_DUPLEX |
1692                  AX_MEDIUM_GIGAMODE;
1693         ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
1694                           2, 2, tmp16);
1695
1696         ax88179_led_setting(dev);
1697
1698         ax179_data->eee_enabled = 0;
1699         ax179_data->eee_active = 0;
1700
1701         ax88179_disable_eee(dev);
1702
1703         ax88179_ethtool_get_eee(dev, &eee_data);
1704         eee_data.advertised = 0;
1705         ax88179_ethtool_set_eee(dev, &eee_data);
1706
1707         /* Restart autoneg */
1708         mii_nway_restart(&dev->mii);
1709
1710         usbnet_link_change(dev, 0, 0);
1711
1712         return 0;
1713 }
1714
1715 static int ax88179_stop(struct usbnet *dev)
1716 {
1717         u16 tmp16;
1718
1719         ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
1720                          2, 2, &tmp16);
1721         tmp16 &= ~AX_MEDIUM_RECEIVE_EN;
1722         ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
1723                           2, 2, &tmp16);
1724
1725         return 0;
1726 }
1727
1728 static const struct driver_info ax88179_info = {
1729         .description = "ASIX AX88179 USB 3.0 Gigabit Ethernet",
1730         .bind = ax88179_bind,
1731         .unbind = ax88179_unbind,
1732         .status = ax88179_status,
1733         .link_reset = ax88179_link_reset,
1734         .reset = ax88179_reset,
1735         .stop = ax88179_stop,
1736         .flags = FLAG_ETHER | FLAG_FRAMING_AX,
1737         .rx_fixup = ax88179_rx_fixup,
1738         .tx_fixup = ax88179_tx_fixup,
1739 };
1740
1741 static const struct driver_info ax88178a_info = {
1742         .description = "ASIX AX88178A USB 2.0 Gigabit Ethernet",
1743         .bind = ax88179_bind,
1744         .unbind = ax88179_unbind,
1745         .status = ax88179_status,
1746         .link_reset = ax88179_link_reset,
1747         .reset = ax88179_reset,
1748         .stop = ax88179_stop,
1749         .flags = FLAG_ETHER | FLAG_FRAMING_AX,
1750         .rx_fixup = ax88179_rx_fixup,
1751         .tx_fixup = ax88179_tx_fixup,
1752 };
1753
1754 static const struct driver_info cypress_GX3_info = {
1755         .description = "Cypress GX3 SuperSpeed to Gigabit Ethernet Controller",
1756         .bind = ax88179_bind,
1757         .unbind = ax88179_unbind,
1758         .status = ax88179_status,
1759         .link_reset = ax88179_link_reset,
1760         .reset = ax88179_reset,
1761         .stop = ax88179_stop,
1762         .flags = FLAG_ETHER | FLAG_FRAMING_AX,
1763         .rx_fixup = ax88179_rx_fixup,
1764         .tx_fixup = ax88179_tx_fixup,
1765 };
1766
1767 static const struct driver_info dlink_dub1312_info = {
1768         .description = "D-Link DUB-1312 USB 3.0 to Gigabit Ethernet Adapter",
1769         .bind = ax88179_bind,
1770         .unbind = ax88179_unbind,
1771         .status = ax88179_status,
1772         .link_reset = ax88179_link_reset,
1773         .reset = ax88179_reset,
1774         .stop = ax88179_stop,
1775         .flags = FLAG_ETHER | FLAG_FRAMING_AX,
1776         .rx_fixup = ax88179_rx_fixup,
1777         .tx_fixup = ax88179_tx_fixup,
1778 };
1779
1780 static const struct driver_info sitecom_info = {
1781         .description = "Sitecom USB 3.0 to Gigabit Adapter",
1782         .bind = ax88179_bind,
1783         .unbind = ax88179_unbind,
1784         .status = ax88179_status,
1785         .link_reset = ax88179_link_reset,
1786         .reset = ax88179_reset,
1787         .stop = ax88179_stop,
1788         .flags = FLAG_ETHER | FLAG_FRAMING_AX,
1789         .rx_fixup = ax88179_rx_fixup,
1790         .tx_fixup = ax88179_tx_fixup,
1791 };
1792
1793 static const struct driver_info samsung_info = {
1794         .description = "Samsung USB Ethernet Adapter",
1795         .bind = ax88179_bind,
1796         .unbind = ax88179_unbind,
1797         .status = ax88179_status,
1798         .link_reset = ax88179_link_reset,
1799         .reset = ax88179_reset,
1800         .stop = ax88179_stop,
1801         .flags = FLAG_ETHER | FLAG_FRAMING_AX,
1802         .rx_fixup = ax88179_rx_fixup,
1803         .tx_fixup = ax88179_tx_fixup,
1804 };
1805
1806 static const struct driver_info lenovo_info = {
1807         .description = "Lenovo OneLinkDock Gigabit LAN",
1808         .bind = ax88179_bind,
1809         .unbind = ax88179_unbind,
1810         .status = ax88179_status,
1811         .link_reset = ax88179_link_reset,
1812         .reset = ax88179_reset,
1813         .stop = ax88179_stop,
1814         .flags = FLAG_ETHER | FLAG_FRAMING_AX,
1815         .rx_fixup = ax88179_rx_fixup,
1816         .tx_fixup = ax88179_tx_fixup,
1817 };
1818
1819 static const struct driver_info belkin_info = {
1820         .description = "Belkin USB Ethernet Adapter",
1821         .bind   = ax88179_bind,
1822         .unbind = ax88179_unbind,
1823         .status = ax88179_status,
1824         .link_reset = ax88179_link_reset,
1825         .reset  = ax88179_reset,
1826         .stop   = ax88179_stop,
1827         .flags  = FLAG_ETHER | FLAG_FRAMING_AX,
1828         .rx_fixup = ax88179_rx_fixup,
1829         .tx_fixup = ax88179_tx_fixup,
1830 };
1831
1832 static const struct driver_info toshiba_info = {
1833         .description = "Toshiba USB Ethernet Adapter",
1834         .bind   = ax88179_bind,
1835         .unbind = ax88179_unbind,
1836         .status = ax88179_status,
1837         .link_reset = ax88179_link_reset,
1838         .reset  = ax88179_reset,
1839         .stop = ax88179_stop,
1840         .flags  = FLAG_ETHER | FLAG_FRAMING_AX,
1841         .rx_fixup = ax88179_rx_fixup,
1842         .tx_fixup = ax88179_tx_fixup,
1843 };
1844
1845 static const struct driver_info mct_info = {
1846         .description = "MCT USB 3.0 Gigabit Ethernet Adapter",
1847         .bind   = ax88179_bind,
1848         .unbind = ax88179_unbind,
1849         .status = ax88179_status,
1850         .link_reset = ax88179_link_reset,
1851         .reset  = ax88179_reset,
1852         .stop   = ax88179_stop,
1853         .flags  = FLAG_ETHER | FLAG_FRAMING_AX,
1854         .rx_fixup = ax88179_rx_fixup,
1855         .tx_fixup = ax88179_tx_fixup,
1856 };
1857
1858 static const struct usb_device_id products[] = {
1859 {
1860         /* ASIX AX88179 10/100/1000 */
1861         USB_DEVICE(0x0b95, 0x1790),
1862         .driver_info = (unsigned long)&ax88179_info,
1863 }, {
1864         /* ASIX AX88178A 10/100/1000 */
1865         USB_DEVICE(0x0b95, 0x178a),
1866         .driver_info = (unsigned long)&ax88178a_info,
1867 }, {
1868         /* Cypress GX3 SuperSpeed to Gigabit Ethernet Bridge Controller */
1869         USB_DEVICE(0x04b4, 0x3610),
1870         .driver_info = (unsigned long)&cypress_GX3_info,
1871 }, {
1872         /* D-Link DUB-1312 USB 3.0 to Gigabit Ethernet Adapter */
1873         USB_DEVICE(0x2001, 0x4a00),
1874         .driver_info = (unsigned long)&dlink_dub1312_info,
1875 }, {
1876         /* Sitecom USB 3.0 to Gigabit Adapter */
1877         USB_DEVICE(0x0df6, 0x0072),
1878         .driver_info = (unsigned long)&sitecom_info,
1879 }, {
1880         /* Samsung USB Ethernet Adapter */
1881         USB_DEVICE(0x04e8, 0xa100),
1882         .driver_info = (unsigned long)&samsung_info,
1883 }, {
1884         /* Lenovo OneLinkDock Gigabit LAN */
1885         USB_DEVICE(0x17ef, 0x304b),
1886         .driver_info = (unsigned long)&lenovo_info,
1887 }, {
1888         /* Belkin B2B128 USB 3.0 Hub + Gigabit Ethernet Adapter */
1889         USB_DEVICE(0x050d, 0x0128),
1890         .driver_info = (unsigned long)&belkin_info,
1891 }, {
1892         /* Toshiba USB 3.0 GBit Ethernet Adapter */
1893         USB_DEVICE(0x0930, 0x0a13),
1894         .driver_info = (unsigned long)&toshiba_info,
1895 }, {
1896         /* Magic Control Technology U3-A9003 USB 3.0 Gigabit Ethernet Adapter */
1897         USB_DEVICE(0x0711, 0x0179),
1898         .driver_info = (unsigned long)&mct_info,
1899 },
1900         { },
1901 };
1902 MODULE_DEVICE_TABLE(usb, products);
1903
1904 static struct usb_driver ax88179_178a_driver = {
1905         .name =         "ax88179_178a",
1906         .id_table =     products,
1907         .probe =        usbnet_probe,
1908         .suspend =      ax88179_suspend,
1909         .resume =       ax88179_resume,
1910         .reset_resume = ax88179_resume,
1911         .disconnect =   usbnet_disconnect,
1912         .supports_autosuspend = 1,
1913         .disable_hub_initiated_lpm = 1,
1914 };
1915
1916 module_usb_driver(ax88179_178a_driver);
1917
1918 MODULE_DESCRIPTION("ASIX AX88179/178A based USB 3.0/2.0 Gigabit Ethernet Devices");
1919 MODULE_LICENSE("GPL");