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   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
 167struct ax88179_data {
 168	u8  eee_enabled;
 169	u8  eee_active;
 170	u16 rxctl;
 171	u16 reserved;
 172};
 173
 174struct ax88179_int_data {
 175	__le32 intdata1;
 176	__le32 intdata2;
 177};
 178
 179static 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
 188static 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
 211static 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
 234static 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
 252static 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
 274static 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
 293static 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
 315static 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
 334static 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
 353static 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
 362static 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
 371static 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
 392static int
 393ax88179_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
 408static int
 409ax88179_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
 425static 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 */
 461static 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
 495static 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
 531static void
 532ax88179_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
 552static int
 553ax88179_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
 573static int ax88179_get_eeprom_len(struct net_device *net)
 574{
 575	return AX_EEPROM_LEN;
 576}
 577
 578static int
 579ax88179_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
 615static int
 616ax88179_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;
 685free:
 686	kfree(eeprom_buff);
 687	return ret;
 688}
 689
 690static 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
 700static 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
 707static int
 708ax88179_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
 736static int
 737ax88179_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
 745static 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
 806static 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
 823static 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
 848static 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
 859static 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
 887static 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
 893static 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
 910static 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
 950static int
 951ax88179_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
 979static 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
1007static 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
1029static 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	= usbnet_get_stats64,
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
1043static 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
1086static 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
1112static 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
1150static 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
1295static 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
1321static 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
1428static 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
1444static void
1445ax88179_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
1460static 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
1522static struct sk_buff *
1523ax88179_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
1551static 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
1623static 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
1715static 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
1728static 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
1741static 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
1754static 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
1767static 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
1780static 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
1793static 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
1806static 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
1819static 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
1832static 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
1845static 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
1858static 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};
1902MODULE_DEVICE_TABLE(usb, products);
1903
1904static 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
1916module_usb_driver(ax88179_178a_driver);
1917
1918MODULE_DESCRIPTION("ASIX AX88179/178A based USB 3.0/2.0 Gigabit Ethernet Devices");
1919MODULE_LICENSE("GPL");