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v4.17
 
   1/*
   2 * ASIX AX88179/178A USB 3.0/2.0 to Gigabit Ethernet Devices
   3 *
   4 * Copyright (C) 2011-2013 ASIX
   5 *
   6 * This program is free software; you can redistribute it and/or modify
   7 * it under the terms of the GNU General Public License
   8 * as published by the Free Software Foundation; either version 2
   9 * of the License, or (at your option) any later version.
  10 *
  11 * This program is distributed in the hope that it will be useful,
  12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 * GNU General Public License for more details.
  15 *
  16 * You should have received a copy of the GNU General Public License
  17 * along with this program; if not, see <http://www.gnu.org/licenses/>.
  18 */
  19
  20#include <linux/module.h>
  21#include <linux/etherdevice.h>
  22#include <linux/mii.h>
  23#include <linux/usb.h>
  24#include <linux/crc32.h>
  25#include <linux/usb/usbnet.h>
  26#include <uapi/linux/mdio.h>
  27#include <linux/mdio.h>
  28
  29#define AX88179_PHY_ID				0x03
  30#define AX_EEPROM_LEN				0x100
  31#define AX88179_EEPROM_MAGIC			0x17900b95
  32#define AX_MCAST_FLTSIZE			8
  33#define AX_MAX_MCAST				64
  34#define AX_INT_PPLS_LINK			((u32)BIT(16))
  35#define AX_RXHDR_L4_TYPE_MASK			0x1c
  36#define AX_RXHDR_L4_TYPE_UDP			4
  37#define AX_RXHDR_L4_TYPE_TCP			16
  38#define AX_RXHDR_L3CSUM_ERR			2
  39#define AX_RXHDR_L4CSUM_ERR			1
  40#define AX_RXHDR_CRC_ERR			((u32)BIT(29))
  41#define AX_RXHDR_DROP_ERR			((u32)BIT(31))
  42#define AX_ACCESS_MAC				0x01
  43#define AX_ACCESS_PHY				0x02
  44#define AX_ACCESS_EEPROM			0x04
  45#define AX_ACCESS_EFUS				0x05
  46#define AX_PAUSE_WATERLVL_HIGH			0x54
  47#define AX_PAUSE_WATERLVL_LOW			0x55
  48
  49#define PHYSICAL_LINK_STATUS			0x02
  50	#define	AX_USB_SS		0x04
  51	#define	AX_USB_HS		0x02
  52
  53#define GENERAL_STATUS				0x03
  54/* Check AX88179 version. UA1:Bit2 = 0,  UA2:Bit2 = 1 */
  55	#define	AX_SECLD		0x04
  56
  57#define AX_SROM_ADDR				0x07
  58#define AX_SROM_CMD				0x0a
  59	#define EEP_RD			0x04
  60	#define EEP_BUSY		0x10
  61
  62#define AX_SROM_DATA_LOW			0x08
  63#define AX_SROM_DATA_HIGH			0x09
  64
  65#define AX_RX_CTL				0x0b
  66	#define AX_RX_CTL_DROPCRCERR	0x0100
  67	#define AX_RX_CTL_IPE		0x0200
  68	#define AX_RX_CTL_START		0x0080
  69	#define AX_RX_CTL_AP		0x0020
  70	#define AX_RX_CTL_AM		0x0010
  71	#define AX_RX_CTL_AB		0x0008
  72	#define AX_RX_CTL_AMALL		0x0002
  73	#define AX_RX_CTL_PRO		0x0001
  74	#define AX_RX_CTL_STOP		0x0000
  75
  76#define AX_NODE_ID				0x10
  77#define AX_MULFLTARY				0x16
  78
  79#define AX_MEDIUM_STATUS_MODE			0x22
  80	#define AX_MEDIUM_GIGAMODE	0x01
  81	#define AX_MEDIUM_FULL_DUPLEX	0x02
  82	#define AX_MEDIUM_EN_125MHZ	0x08
  83	#define AX_MEDIUM_RXFLOW_CTRLEN	0x10
  84	#define AX_MEDIUM_TXFLOW_CTRLEN	0x20
  85	#define AX_MEDIUM_RECEIVE_EN	0x100
  86	#define AX_MEDIUM_PS		0x200
  87	#define AX_MEDIUM_JUMBO_EN	0x8040
  88
  89#define AX_MONITOR_MOD				0x24
  90	#define AX_MONITOR_MODE_RWLC	0x02
  91	#define AX_MONITOR_MODE_RWMP	0x04
  92	#define AX_MONITOR_MODE_PMEPOL	0x20
  93	#define AX_MONITOR_MODE_PMETYPE	0x40
  94
  95#define AX_GPIO_CTRL				0x25
  96	#define AX_GPIO_CTRL_GPIO3EN	0x80
  97	#define AX_GPIO_CTRL_GPIO2EN	0x40
  98	#define AX_GPIO_CTRL_GPIO1EN	0x20
  99
 100#define AX_PHYPWR_RSTCTL			0x26
 101	#define AX_PHYPWR_RSTCTL_BZ	0x0010
 102	#define AX_PHYPWR_RSTCTL_IPRL	0x0020
 103	#define AX_PHYPWR_RSTCTL_AT	0x1000
 104
 105#define AX_RX_BULKIN_QCTRL			0x2e
 106#define AX_CLK_SELECT				0x33
 107	#define AX_CLK_SELECT_BCS	0x01
 108	#define AX_CLK_SELECT_ACS	0x02
 109	#define AX_CLK_SELECT_ULR	0x08
 110
 111#define AX_RXCOE_CTL				0x34
 112	#define AX_RXCOE_IP		0x01
 113	#define AX_RXCOE_TCP		0x02
 114	#define AX_RXCOE_UDP		0x04
 115	#define AX_RXCOE_TCPV6		0x20
 116	#define AX_RXCOE_UDPV6		0x40
 117
 118#define AX_TXCOE_CTL				0x35
 119	#define AX_TXCOE_IP		0x01
 120	#define AX_TXCOE_TCP		0x02
 121	#define AX_TXCOE_UDP		0x04
 122	#define AX_TXCOE_TCPV6		0x20
 123	#define AX_TXCOE_UDPV6		0x40
 124
 125#define AX_LEDCTRL				0x73
 126
 127#define GMII_PHY_PHYSR				0x11
 128	#define GMII_PHY_PHYSR_SMASK	0xc000
 129	#define GMII_PHY_PHYSR_GIGA	0x8000
 130	#define GMII_PHY_PHYSR_100	0x4000
 131	#define GMII_PHY_PHYSR_FULL	0x2000
 132	#define GMII_PHY_PHYSR_LINK	0x400
 133
 134#define GMII_LED_ACT				0x1a
 135	#define	GMII_LED_ACTIVE_MASK	0xff8f
 136	#define	GMII_LED0_ACTIVE	BIT(4)
 137	#define	GMII_LED1_ACTIVE	BIT(5)
 138	#define	GMII_LED2_ACTIVE	BIT(6)
 139
 140#define GMII_LED_LINK				0x1c
 141	#define	GMII_LED_LINK_MASK	0xf888
 142	#define	GMII_LED0_LINK_10	BIT(0)
 143	#define	GMII_LED0_LINK_100	BIT(1)
 144	#define	GMII_LED0_LINK_1000	BIT(2)
 145	#define	GMII_LED1_LINK_10	BIT(4)
 146	#define	GMII_LED1_LINK_100	BIT(5)
 147	#define	GMII_LED1_LINK_1000	BIT(6)
 148	#define	GMII_LED2_LINK_10	BIT(8)
 149	#define	GMII_LED2_LINK_100	BIT(9)
 150	#define	GMII_LED2_LINK_1000	BIT(10)
 151	#define	LED0_ACTIVE		BIT(0)
 152	#define	LED0_LINK_10		BIT(1)
 153	#define	LED0_LINK_100		BIT(2)
 154	#define	LED0_LINK_1000		BIT(3)
 155	#define	LED0_FD			BIT(4)
 156	#define	LED0_USB3_MASK		0x001f
 157	#define	LED1_ACTIVE		BIT(5)
 158	#define	LED1_LINK_10		BIT(6)
 159	#define	LED1_LINK_100		BIT(7)
 160	#define	LED1_LINK_1000		BIT(8)
 161	#define	LED1_FD			BIT(9)
 162	#define	LED1_USB3_MASK		0x03e0
 163	#define	LED2_ACTIVE		BIT(10)
 164	#define	LED2_LINK_1000		BIT(13)
 165	#define	LED2_LINK_100		BIT(12)
 166	#define	LED2_LINK_10		BIT(11)
 167	#define	LED2_FD			BIT(14)
 168	#define	LED_VALID		BIT(15)
 169	#define	LED2_USB3_MASK		0x7c00
 170
 171#define GMII_PHYPAGE				0x1e
 172#define GMII_PHY_PAGE_SELECT			0x1f
 173	#define GMII_PHY_PGSEL_EXT	0x0007
 174	#define GMII_PHY_PGSEL_PAGE0	0x0000
 175	#define GMII_PHY_PGSEL_PAGE3	0x0003
 176	#define GMII_PHY_PGSEL_PAGE5	0x0005
 177
 178struct ax88179_data {
 179	u8  eee_enabled;
 180	u8  eee_active;
 181	u16 rxctl;
 182	u16 reserved;
 183};
 184
 185struct ax88179_int_data {
 186	__le32 intdata1;
 187	__le32 intdata2;
 188};
 189
 190static const struct {
 191	unsigned char ctrl, timer_l, timer_h, size, ifg;
 192} AX88179_BULKIN_SIZE[] =	{
 193	{7, 0x4f, 0,	0x12, 0xff},
 194	{7, 0x20, 3,	0x16, 0xff},
 195	{7, 0xae, 7,	0x18, 0xff},
 196	{7, 0xcc, 0x4c, 0x18, 8},
 197};
 198
 199static int __ax88179_read_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
 200			      u16 size, void *data, int in_pm)
 201{
 202	int ret;
 203	int (*fn)(struct usbnet *, u8, u8, u16, u16, void *, u16);
 204
 205	BUG_ON(!dev);
 206
 207	if (!in_pm)
 208		fn = usbnet_read_cmd;
 209	else
 210		fn = usbnet_read_cmd_nopm;
 211
 212	ret = fn(dev, cmd, USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 213		 value, index, data, size);
 214
 215	if (unlikely(ret < 0))
 216		netdev_warn(dev->net, "Failed to read reg index 0x%04x: %d\n",
 217			    index, ret);
 218
 219	return ret;
 220}
 221
 222static int __ax88179_write_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
 223			       u16 size, void *data, int in_pm)
 224{
 225	int ret;
 226	int (*fn)(struct usbnet *, u8, u8, u16, u16, const void *, u16);
 227
 228	BUG_ON(!dev);
 229
 230	if (!in_pm)
 231		fn = usbnet_write_cmd;
 232	else
 233		fn = usbnet_write_cmd_nopm;
 234
 235	ret = fn(dev, cmd, USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 236		 value, index, data, size);
 237
 238	if (unlikely(ret < 0))
 239		netdev_warn(dev->net, "Failed to write reg index 0x%04x: %d\n",
 240			    index, ret);
 241
 242	return ret;
 243}
 244
 245static void ax88179_write_cmd_async(struct usbnet *dev, u8 cmd, u16 value,
 246				    u16 index, u16 size, void *data)
 247{
 248	u16 buf;
 249
 250	if (2 == size) {
 251		buf = *((u16 *)data);
 252		cpu_to_le16s(&buf);
 253		usbnet_write_cmd_async(dev, cmd, USB_DIR_OUT | USB_TYPE_VENDOR |
 254				       USB_RECIP_DEVICE, value, index, &buf,
 255				       size);
 256	} else {
 257		usbnet_write_cmd_async(dev, cmd, USB_DIR_OUT | USB_TYPE_VENDOR |
 258				       USB_RECIP_DEVICE, value, index, data,
 259				       size);
 260	}
 261}
 262
 263static int ax88179_read_cmd_nopm(struct usbnet *dev, u8 cmd, u16 value,
 264				 u16 index, u16 size, void *data)
 265{
 266	int ret;
 267
 268	if (2 == size) {
 269		u16 buf;
 270		ret = __ax88179_read_cmd(dev, cmd, value, index, size, &buf, 1);
 271		le16_to_cpus(&buf);
 272		*((u16 *)data) = buf;
 273	} else if (4 == size) {
 274		u32 buf;
 275		ret = __ax88179_read_cmd(dev, cmd, value, index, size, &buf, 1);
 276		le32_to_cpus(&buf);
 277		*((u32 *)data) = buf;
 278	} else {
 279		ret = __ax88179_read_cmd(dev, cmd, value, index, size, data, 1);
 280	}
 281
 282	return ret;
 283}
 284
 285static int ax88179_write_cmd_nopm(struct usbnet *dev, u8 cmd, u16 value,
 286				  u16 index, u16 size, void *data)
 287{
 288	int ret;
 289
 290	if (2 == size) {
 291		u16 buf;
 292		buf = *((u16 *)data);
 293		cpu_to_le16s(&buf);
 294		ret = __ax88179_write_cmd(dev, cmd, value, index,
 295					  size, &buf, 1);
 296	} else {
 297		ret = __ax88179_write_cmd(dev, cmd, value, index,
 298					  size, data, 1);
 299	}
 300
 301	return ret;
 302}
 303
 304static int ax88179_read_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
 305			    u16 size, void *data)
 306{
 307	int ret;
 308
 309	if (2 == size) {
 310		u16 buf;
 311		ret = __ax88179_read_cmd(dev, cmd, value, index, size, &buf, 0);
 312		le16_to_cpus(&buf);
 313		*((u16 *)data) = buf;
 314	} else if (4 == size) {
 315		u32 buf;
 316		ret = __ax88179_read_cmd(dev, cmd, value, index, size, &buf, 0);
 317		le32_to_cpus(&buf);
 318		*((u32 *)data) = buf;
 319	} else {
 320		ret = __ax88179_read_cmd(dev, cmd, value, index, size, data, 0);
 321	}
 322
 323	return ret;
 324}
 325
 326static int ax88179_write_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
 327			     u16 size, void *data)
 328{
 329	int ret;
 330
 331	if (2 == size) {
 332		u16 buf;
 333		buf = *((u16 *)data);
 334		cpu_to_le16s(&buf);
 335		ret = __ax88179_write_cmd(dev, cmd, value, index,
 336					  size, &buf, 0);
 337	} else {
 338		ret = __ax88179_write_cmd(dev, cmd, value, index,
 339					  size, data, 0);
 340	}
 341
 342	return ret;
 343}
 344
 345static void ax88179_status(struct usbnet *dev, struct urb *urb)
 346{
 347	struct ax88179_int_data *event;
 348	u32 link;
 349
 350	if (urb->actual_length < 8)
 351		return;
 352
 353	event = urb->transfer_buffer;
 354	le32_to_cpus((void *)&event->intdata1);
 355
 356	link = (((__force u32)event->intdata1) & AX_INT_PPLS_LINK) >> 16;
 357
 358	if (netif_carrier_ok(dev->net) != link) {
 359		usbnet_link_change(dev, link, 1);
 360		netdev_info(dev->net, "ax88179 - Link status is: %d\n", link);
 361	}
 362}
 363
 364static int ax88179_mdio_read(struct net_device *netdev, int phy_id, int loc)
 365{
 366	struct usbnet *dev = netdev_priv(netdev);
 367	u16 res;
 368
 369	ax88179_read_cmd(dev, AX_ACCESS_PHY, phy_id, (__u16)loc, 2, &res);
 370	return res;
 371}
 372
 373static void ax88179_mdio_write(struct net_device *netdev, int phy_id, int loc,
 374			       int val)
 375{
 376	struct usbnet *dev = netdev_priv(netdev);
 377	u16 res = (u16) val;
 378
 379	ax88179_write_cmd(dev, AX_ACCESS_PHY, phy_id, (__u16)loc, 2, &res);
 380}
 381
 382static inline int ax88179_phy_mmd_indirect(struct usbnet *dev, u16 prtad,
 383					   u16 devad)
 384{
 385	u16 tmp16;
 386	int ret;
 387
 388	tmp16 = devad;
 389	ret = ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
 390				MII_MMD_CTRL, 2, &tmp16);
 391
 392	tmp16 = prtad;
 393	ret = ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
 394				MII_MMD_DATA, 2, &tmp16);
 395
 396	tmp16 = devad | MII_MMD_CTRL_NOINCR;
 397	ret = ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
 398				MII_MMD_CTRL, 2, &tmp16);
 399
 400	return ret;
 401}
 402
 403static int
 404ax88179_phy_read_mmd_indirect(struct usbnet *dev, u16 prtad, u16 devad)
 405{
 406	int ret;
 407	u16 tmp16;
 408
 409	ax88179_phy_mmd_indirect(dev, prtad, devad);
 410
 411	ret = ax88179_read_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
 412			       MII_MMD_DATA, 2, &tmp16);
 413	if (ret < 0)
 414		return ret;
 415
 416	return tmp16;
 417}
 418
 419static int
 420ax88179_phy_write_mmd_indirect(struct usbnet *dev, u16 prtad, u16 devad,
 421			       u16 data)
 422{
 423	int ret;
 424
 425	ax88179_phy_mmd_indirect(dev, prtad, devad);
 426
 427	ret = ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
 428				MII_MMD_DATA, 2, &data);
 429
 430	if (ret < 0)
 431		return ret;
 432
 433	return 0;
 434}
 435
 436static int ax88179_suspend(struct usb_interface *intf, pm_message_t message)
 437{
 438	struct usbnet *dev = usb_get_intfdata(intf);
 439	u16 tmp16;
 440	u8 tmp8;
 441
 442	usbnet_suspend(intf, message);
 443
 444	/* Disable RX path */
 445	ax88179_read_cmd_nopm(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
 446			      2, 2, &tmp16);
 447	tmp16 &= ~AX_MEDIUM_RECEIVE_EN;
 448	ax88179_write_cmd_nopm(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
 449			       2, 2, &tmp16);
 450
 451	/* Force bulk-in zero length */
 452	ax88179_read_cmd_nopm(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL,
 453			      2, 2, &tmp16);
 454
 455	tmp16 |= AX_PHYPWR_RSTCTL_BZ | AX_PHYPWR_RSTCTL_IPRL;
 456	ax88179_write_cmd_nopm(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL,
 457			       2, 2, &tmp16);
 458
 459	/* change clock */
 460	tmp8 = 0;
 461	ax88179_write_cmd_nopm(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, &tmp8);
 462
 463	/* Configure RX control register => stop operation */
 464	tmp16 = AX_RX_CTL_STOP;
 465	ax88179_write_cmd_nopm(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2, &tmp16);
 466
 467	return 0;
 468}
 469
 470/* This function is used to enable the autodetach function. */
 471/* This function is determined by offset 0x43 of EEPROM */
 472static int ax88179_auto_detach(struct usbnet *dev, int in_pm)
 473{
 474	u16 tmp16;
 475	u8 tmp8;
 476	int (*fnr)(struct usbnet *, u8, u16, u16, u16, void *);
 477	int (*fnw)(struct usbnet *, u8, u16, u16, u16, void *);
 478
 479	if (!in_pm) {
 480		fnr = ax88179_read_cmd;
 481		fnw = ax88179_write_cmd;
 482	} else {
 483		fnr = ax88179_read_cmd_nopm;
 484		fnw = ax88179_write_cmd_nopm;
 485	}
 486
 487	if (fnr(dev, AX_ACCESS_EEPROM, 0x43, 1, 2, &tmp16) < 0)
 488		return 0;
 489
 490	if ((tmp16 == 0xFFFF) || (!(tmp16 & 0x0100)))
 491		return 0;
 492
 493	/* Enable Auto Detach bit */
 494	tmp8 = 0;
 495	fnr(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, &tmp8);
 496	tmp8 |= AX_CLK_SELECT_ULR;
 497	fnw(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, &tmp8);
 498
 499	fnr(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, &tmp16);
 500	tmp16 |= AX_PHYPWR_RSTCTL_AT;
 501	fnw(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, &tmp16);
 502
 503	return 0;
 504}
 505
 506static int ax88179_resume(struct usb_interface *intf)
 507{
 508	struct usbnet *dev = usb_get_intfdata(intf);
 509	u16 tmp16;
 510	u8 tmp8;
 511
 512	usbnet_link_change(dev, 0, 0);
 513
 514	/* Power up ethernet PHY */
 515	tmp16 = 0;
 516	ax88179_write_cmd_nopm(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL,
 517			       2, 2, &tmp16);
 518	udelay(1000);
 519
 520	tmp16 = AX_PHYPWR_RSTCTL_IPRL;
 521	ax88179_write_cmd_nopm(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL,
 522			       2, 2, &tmp16);
 523	msleep(200);
 524
 525	/* Ethernet PHY Auto Detach*/
 526	ax88179_auto_detach(dev, 1);
 527
 528	/* Enable clock */
 529	ax88179_read_cmd_nopm(dev, AX_ACCESS_MAC,  AX_CLK_SELECT, 1, 1, &tmp8);
 530	tmp8 |= AX_CLK_SELECT_ACS | AX_CLK_SELECT_BCS;
 531	ax88179_write_cmd_nopm(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, &tmp8);
 532	msleep(100);
 533
 534	/* Configure RX control register => start operation */
 535	tmp16 = AX_RX_CTL_DROPCRCERR | AX_RX_CTL_IPE | AX_RX_CTL_START |
 536		AX_RX_CTL_AP | AX_RX_CTL_AMALL | AX_RX_CTL_AB;
 537	ax88179_write_cmd_nopm(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2, &tmp16);
 538
 539	return usbnet_resume(intf);
 540}
 541
 542static void
 543ax88179_get_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo)
 544{
 545	struct usbnet *dev = netdev_priv(net);
 546	u8 opt;
 547
 548	if (ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_MONITOR_MOD,
 549			     1, 1, &opt) < 0) {
 550		wolinfo->supported = 0;
 551		wolinfo->wolopts = 0;
 552		return;
 553	}
 554
 555	wolinfo->supported = WAKE_PHY | WAKE_MAGIC;
 556	wolinfo->wolopts = 0;
 557	if (opt & AX_MONITOR_MODE_RWLC)
 558		wolinfo->wolopts |= WAKE_PHY;
 559	if (opt & AX_MONITOR_MODE_RWMP)
 560		wolinfo->wolopts |= WAKE_MAGIC;
 561}
 562
 563static int
 564ax88179_set_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo)
 565{
 566	struct usbnet *dev = netdev_priv(net);
 567	u8 opt = 0;
 568
 
 
 
 569	if (wolinfo->wolopts & WAKE_PHY)
 570		opt |= AX_MONITOR_MODE_RWLC;
 571	if (wolinfo->wolopts & WAKE_MAGIC)
 572		opt |= AX_MONITOR_MODE_RWMP;
 573
 574	if (ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MONITOR_MOD,
 575			      1, 1, &opt) < 0)
 576		return -EINVAL;
 577
 578	return 0;
 579}
 580
 581static int ax88179_get_eeprom_len(struct net_device *net)
 582{
 583	return AX_EEPROM_LEN;
 584}
 585
 586static int
 587ax88179_get_eeprom(struct net_device *net, struct ethtool_eeprom *eeprom,
 588		   u8 *data)
 589{
 590	struct usbnet *dev = netdev_priv(net);
 591	u16 *eeprom_buff;
 592	int first_word, last_word;
 593	int i, ret;
 594
 595	if (eeprom->len == 0)
 596		return -EINVAL;
 597
 598	eeprom->magic = AX88179_EEPROM_MAGIC;
 599
 600	first_word = eeprom->offset >> 1;
 601	last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 602	eeprom_buff = kmalloc(sizeof(u16) * (last_word - first_word + 1),
 603			      GFP_KERNEL);
 604	if (!eeprom_buff)
 605		return -ENOMEM;
 606
 607	/* ax88179/178A returns 2 bytes from eeprom on read */
 608	for (i = first_word; i <= last_word; i++) {
 609		ret = __ax88179_read_cmd(dev, AX_ACCESS_EEPROM, i, 1, 2,
 610					 &eeprom_buff[i - first_word],
 611					 0);
 612		if (ret < 0) {
 613			kfree(eeprom_buff);
 614			return -EIO;
 615		}
 616	}
 617
 618	memcpy(data, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
 619	kfree(eeprom_buff);
 620	return 0;
 621}
 622
 623static int ax88179_get_link_ksettings(struct net_device *net,
 624				      struct ethtool_link_ksettings *cmd)
 625{
 626	struct usbnet *dev = netdev_priv(net);
 627
 628	mii_ethtool_get_link_ksettings(&dev->mii, cmd);
 629
 630	return 0;
 631}
 632
 633static int ax88179_set_link_ksettings(struct net_device *net,
 634				      const struct ethtool_link_ksettings *cmd)
 635{
 636	struct usbnet *dev = netdev_priv(net);
 637	return mii_ethtool_set_link_ksettings(&dev->mii, cmd);
 638}
 639
 640static int
 641ax88179_ethtool_get_eee(struct usbnet *dev, struct ethtool_eee *data)
 642{
 643	int val;
 644
 645	/* Get Supported EEE */
 646	val = ax88179_phy_read_mmd_indirect(dev, MDIO_PCS_EEE_ABLE,
 647					    MDIO_MMD_PCS);
 648	if (val < 0)
 649		return val;
 650	data->supported = mmd_eee_cap_to_ethtool_sup_t(val);
 651
 652	/* Get advertisement EEE */
 653	val = ax88179_phy_read_mmd_indirect(dev, MDIO_AN_EEE_ADV,
 654					    MDIO_MMD_AN);
 655	if (val < 0)
 656		return val;
 657	data->advertised = mmd_eee_adv_to_ethtool_adv_t(val);
 658
 659	/* Get LP advertisement EEE */
 660	val = ax88179_phy_read_mmd_indirect(dev, MDIO_AN_EEE_LPABLE,
 661					    MDIO_MMD_AN);
 662	if (val < 0)
 663		return val;
 664	data->lp_advertised = mmd_eee_adv_to_ethtool_adv_t(val);
 665
 666	return 0;
 667}
 668
 669static int
 670ax88179_ethtool_set_eee(struct usbnet *dev, struct ethtool_eee *data)
 671{
 672	u16 tmp16 = ethtool_adv_to_mmd_eee_adv_t(data->advertised);
 673
 674	return ax88179_phy_write_mmd_indirect(dev, MDIO_AN_EEE_ADV,
 675					      MDIO_MMD_AN, tmp16);
 676}
 677
 678static int ax88179_chk_eee(struct usbnet *dev)
 679{
 680	struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET };
 681	struct ax88179_data *priv = (struct ax88179_data *)dev->data;
 682
 683	mii_ethtool_gset(&dev->mii, &ecmd);
 684
 685	if (ecmd.duplex & DUPLEX_FULL) {
 686		int eee_lp, eee_cap, eee_adv;
 687		u32 lp, cap, adv, supported = 0;
 688
 689		eee_cap = ax88179_phy_read_mmd_indirect(dev,
 690							MDIO_PCS_EEE_ABLE,
 691							MDIO_MMD_PCS);
 692		if (eee_cap < 0) {
 693			priv->eee_active = 0;
 694			return false;
 695		}
 696
 697		cap = mmd_eee_cap_to_ethtool_sup_t(eee_cap);
 698		if (!cap) {
 699			priv->eee_active = 0;
 700			return false;
 701		}
 702
 703		eee_lp = ax88179_phy_read_mmd_indirect(dev,
 704						       MDIO_AN_EEE_LPABLE,
 705						       MDIO_MMD_AN);
 706		if (eee_lp < 0) {
 707			priv->eee_active = 0;
 708			return false;
 709		}
 710
 711		eee_adv = ax88179_phy_read_mmd_indirect(dev,
 712							MDIO_AN_EEE_ADV,
 713							MDIO_MMD_AN);
 714
 715		if (eee_adv < 0) {
 716			priv->eee_active = 0;
 717			return false;
 718		}
 719
 720		adv = mmd_eee_adv_to_ethtool_adv_t(eee_adv);
 721		lp = mmd_eee_adv_to_ethtool_adv_t(eee_lp);
 722		supported = (ecmd.speed == SPEED_1000) ?
 723			     SUPPORTED_1000baseT_Full :
 724			     SUPPORTED_100baseT_Full;
 725
 726		if (!(lp & adv & supported)) {
 727			priv->eee_active = 0;
 728			return false;
 729		}
 730
 731		priv->eee_active = 1;
 732		return true;
 733	}
 734
 735	priv->eee_active = 0;
 736	return false;
 737}
 738
 739static void ax88179_disable_eee(struct usbnet *dev)
 740{
 741	u16 tmp16;
 742
 743	tmp16 = GMII_PHY_PGSEL_PAGE3;
 744	ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
 745			  GMII_PHY_PAGE_SELECT, 2, &tmp16);
 746
 747	tmp16 = 0x3246;
 748	ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
 749			  MII_PHYADDR, 2, &tmp16);
 750
 751	tmp16 = GMII_PHY_PGSEL_PAGE0;
 752	ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
 753			  GMII_PHY_PAGE_SELECT, 2, &tmp16);
 754}
 755
 756static void ax88179_enable_eee(struct usbnet *dev)
 757{
 758	u16 tmp16;
 759
 760	tmp16 = GMII_PHY_PGSEL_PAGE3;
 761	ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
 762			  GMII_PHY_PAGE_SELECT, 2, &tmp16);
 763
 764	tmp16 = 0x3247;
 765	ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
 766			  MII_PHYADDR, 2, &tmp16);
 767
 768	tmp16 = GMII_PHY_PGSEL_PAGE5;
 769	ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
 770			  GMII_PHY_PAGE_SELECT, 2, &tmp16);
 771
 772	tmp16 = 0x0680;
 773	ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
 774			  MII_BMSR, 2, &tmp16);
 775
 776	tmp16 = GMII_PHY_PGSEL_PAGE0;
 777	ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
 778			  GMII_PHY_PAGE_SELECT, 2, &tmp16);
 779}
 780
 781static int ax88179_get_eee(struct net_device *net, struct ethtool_eee *edata)
 782{
 783	struct usbnet *dev = netdev_priv(net);
 784	struct ax88179_data *priv = (struct ax88179_data *)dev->data;
 785
 786	edata->eee_enabled = priv->eee_enabled;
 787	edata->eee_active = priv->eee_active;
 788
 789	return ax88179_ethtool_get_eee(dev, edata);
 790}
 791
 792static int ax88179_set_eee(struct net_device *net, struct ethtool_eee *edata)
 793{
 794	struct usbnet *dev = netdev_priv(net);
 795	struct ax88179_data *priv = (struct ax88179_data *)dev->data;
 796	int ret = -EOPNOTSUPP;
 797
 798	priv->eee_enabled = edata->eee_enabled;
 799	if (!priv->eee_enabled) {
 800		ax88179_disable_eee(dev);
 801	} else {
 802		priv->eee_enabled = ax88179_chk_eee(dev);
 803		if (!priv->eee_enabled)
 804			return -EOPNOTSUPP;
 805
 806		ax88179_enable_eee(dev);
 807	}
 808
 809	ret = ax88179_ethtool_set_eee(dev, edata);
 810	if (ret)
 811		return ret;
 812
 813	mii_nway_restart(&dev->mii);
 814
 815	usbnet_link_change(dev, 0, 0);
 816
 817	return ret;
 818}
 819
 820static int ax88179_ioctl(struct net_device *net, struct ifreq *rq, int cmd)
 821{
 822	struct usbnet *dev = netdev_priv(net);
 823	return generic_mii_ioctl(&dev->mii, if_mii(rq), cmd, NULL);
 824}
 825
 826static const struct ethtool_ops ax88179_ethtool_ops = {
 827	.get_link		= ethtool_op_get_link,
 828	.get_msglevel		= usbnet_get_msglevel,
 829	.set_msglevel		= usbnet_set_msglevel,
 830	.get_wol		= ax88179_get_wol,
 831	.set_wol		= ax88179_set_wol,
 832	.get_eeprom_len		= ax88179_get_eeprom_len,
 833	.get_eeprom		= ax88179_get_eeprom,
 834	.get_eee		= ax88179_get_eee,
 835	.set_eee		= ax88179_set_eee,
 836	.nway_reset		= usbnet_nway_reset,
 837	.get_link_ksettings	= ax88179_get_link_ksettings,
 838	.set_link_ksettings	= ax88179_set_link_ksettings,
 839};
 840
 841static void ax88179_set_multicast(struct net_device *net)
 842{
 843	struct usbnet *dev = netdev_priv(net);
 844	struct ax88179_data *data = (struct ax88179_data *)dev->data;
 845	u8 *m_filter = ((u8 *)dev->data) + 12;
 846
 847	data->rxctl = (AX_RX_CTL_START | AX_RX_CTL_AB | AX_RX_CTL_IPE);
 848
 849	if (net->flags & IFF_PROMISC) {
 850		data->rxctl |= AX_RX_CTL_PRO;
 851	} else if (net->flags & IFF_ALLMULTI ||
 852		   netdev_mc_count(net) > AX_MAX_MCAST) {
 853		data->rxctl |= AX_RX_CTL_AMALL;
 854	} else if (netdev_mc_empty(net)) {
 855		/* just broadcast and directed */
 856	} else {
 857		/* We use the 20 byte dev->data for our 8 byte filter buffer
 858		 * to avoid allocating memory that is tricky to free later
 859		 */
 860		u32 crc_bits;
 861		struct netdev_hw_addr *ha;
 862
 863		memset(m_filter, 0, AX_MCAST_FLTSIZE);
 864
 865		netdev_for_each_mc_addr(ha, net) {
 866			crc_bits = ether_crc(ETH_ALEN, ha->addr) >> 26;
 867			*(m_filter + (crc_bits >> 3)) |= (1 << (crc_bits & 7));
 868		}
 869
 870		ax88179_write_cmd_async(dev, AX_ACCESS_MAC, AX_MULFLTARY,
 871					AX_MCAST_FLTSIZE, AX_MCAST_FLTSIZE,
 872					m_filter);
 873
 874		data->rxctl |= AX_RX_CTL_AM;
 875	}
 876
 877	ax88179_write_cmd_async(dev, AX_ACCESS_MAC, AX_RX_CTL,
 878				2, 2, &data->rxctl);
 879}
 880
 881static int
 882ax88179_set_features(struct net_device *net, netdev_features_t features)
 883{
 884	u8 tmp;
 885	struct usbnet *dev = netdev_priv(net);
 886	netdev_features_t changed = net->features ^ features;
 887
 888	if (changed & NETIF_F_IP_CSUM) {
 889		ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_TXCOE_CTL, 1, 1, &tmp);
 890		tmp ^= AX_TXCOE_TCP | AX_TXCOE_UDP;
 891		ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_TXCOE_CTL, 1, 1, &tmp);
 892	}
 893
 894	if (changed & NETIF_F_IPV6_CSUM) {
 895		ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_TXCOE_CTL, 1, 1, &tmp);
 896		tmp ^= AX_TXCOE_TCPV6 | AX_TXCOE_UDPV6;
 897		ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_TXCOE_CTL, 1, 1, &tmp);
 898	}
 899
 900	if (changed & NETIF_F_RXCSUM) {
 901		ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_RXCOE_CTL, 1, 1, &tmp);
 902		tmp ^= AX_RXCOE_IP | AX_RXCOE_TCP | AX_RXCOE_UDP |
 903		       AX_RXCOE_TCPV6 | AX_RXCOE_UDPV6;
 904		ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RXCOE_CTL, 1, 1, &tmp);
 905	}
 906
 907	return 0;
 908}
 909
 910static int ax88179_change_mtu(struct net_device *net, int new_mtu)
 911{
 912	struct usbnet *dev = netdev_priv(net);
 913	u16 tmp16;
 914
 915	net->mtu = new_mtu;
 916	dev->hard_mtu = net->mtu + net->hard_header_len;
 917
 918	if (net->mtu > 1500) {
 919		ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
 920				 2, 2, &tmp16);
 921		tmp16 |= AX_MEDIUM_JUMBO_EN;
 922		ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
 923				  2, 2, &tmp16);
 924	} else {
 925		ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
 926				 2, 2, &tmp16);
 927		tmp16 &= ~AX_MEDIUM_JUMBO_EN;
 928		ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
 929				  2, 2, &tmp16);
 930	}
 931
 932	/* max qlen depend on hard_mtu and rx_urb_size */
 933	usbnet_update_max_qlen(dev);
 934
 935	return 0;
 936}
 937
 938static int ax88179_set_mac_addr(struct net_device *net, void *p)
 939{
 940	struct usbnet *dev = netdev_priv(net);
 941	struct sockaddr *addr = p;
 942	int ret;
 943
 944	if (netif_running(net))
 945		return -EBUSY;
 946	if (!is_valid_ether_addr(addr->sa_data))
 947		return -EADDRNOTAVAIL;
 948
 949	memcpy(net->dev_addr, addr->sa_data, ETH_ALEN);
 950
 951	/* Set the MAC address */
 952	ret = ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_NODE_ID, ETH_ALEN,
 953				 ETH_ALEN, net->dev_addr);
 954	if (ret < 0)
 955		return ret;
 956
 957	return 0;
 958}
 959
 960static const struct net_device_ops ax88179_netdev_ops = {
 961	.ndo_open		= usbnet_open,
 962	.ndo_stop		= usbnet_stop,
 963	.ndo_start_xmit		= usbnet_start_xmit,
 964	.ndo_tx_timeout		= usbnet_tx_timeout,
 965	.ndo_get_stats64	= usbnet_get_stats64,
 966	.ndo_change_mtu		= ax88179_change_mtu,
 967	.ndo_set_mac_address	= ax88179_set_mac_addr,
 968	.ndo_validate_addr	= eth_validate_addr,
 969	.ndo_do_ioctl		= ax88179_ioctl,
 970	.ndo_set_rx_mode	= ax88179_set_multicast,
 971	.ndo_set_features	= ax88179_set_features,
 972};
 973
 974static int ax88179_check_eeprom(struct usbnet *dev)
 975{
 976	u8 i, buf, eeprom[20];
 977	u16 csum, delay = HZ / 10;
 978	unsigned long jtimeout;
 979
 980	/* Read EEPROM content */
 981	for (i = 0; i < 6; i++) {
 982		buf = i;
 983		if (ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_SROM_ADDR,
 984				      1, 1, &buf) < 0)
 985			return -EINVAL;
 986
 987		buf = EEP_RD;
 988		if (ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_SROM_CMD,
 989				      1, 1, &buf) < 0)
 990			return -EINVAL;
 991
 992		jtimeout = jiffies + delay;
 993		do {
 994			ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_SROM_CMD,
 995					 1, 1, &buf);
 996
 997			if (time_after(jiffies, jtimeout))
 998				return -EINVAL;
 999
1000		} while (buf & EEP_BUSY);
1001
1002		__ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_SROM_DATA_LOW,
1003				   2, 2, &eeprom[i * 2], 0);
1004
1005		if ((i == 0) && (eeprom[0] == 0xFF))
1006			return -EINVAL;
1007	}
1008
1009	csum = eeprom[6] + eeprom[7] + eeprom[8] + eeprom[9];
1010	csum = (csum >> 8) + (csum & 0xff);
1011	if ((csum + eeprom[10]) != 0xff)
1012		return -EINVAL;
1013
1014	return 0;
1015}
1016
1017static int ax88179_check_efuse(struct usbnet *dev, u16 *ledmode)
1018{
1019	u8	i;
1020	u8	efuse[64];
1021	u16	csum = 0;
1022
1023	if (ax88179_read_cmd(dev, AX_ACCESS_EFUS, 0, 64, 64, efuse) < 0)
1024		return -EINVAL;
1025
1026	if (*efuse == 0xFF)
1027		return -EINVAL;
1028
1029	for (i = 0; i < 64; i++)
1030		csum = csum + efuse[i];
1031
1032	while (csum > 255)
1033		csum = (csum & 0x00FF) + ((csum >> 8) & 0x00FF);
1034
1035	if (csum != 0xFF)
1036		return -EINVAL;
1037
1038	*ledmode = (efuse[51] << 8) | efuse[52];
1039
1040	return 0;
1041}
1042
1043static int ax88179_convert_old_led(struct usbnet *dev, u16 *ledvalue)
1044{
1045	u16 led;
1046
1047	/* Loaded the old eFuse LED Mode */
1048	if (ax88179_read_cmd(dev, AX_ACCESS_EEPROM, 0x3C, 1, 2, &led) < 0)
1049		return -EINVAL;
1050
1051	led >>= 8;
1052	switch (led) {
1053	case 0xFF:
1054		led = LED0_ACTIVE | LED1_LINK_10 | LED1_LINK_100 |
1055		      LED1_LINK_1000 | LED2_ACTIVE | LED2_LINK_10 |
1056		      LED2_LINK_100 | LED2_LINK_1000 | LED_VALID;
1057		break;
1058	case 0xFE:
1059		led = LED0_ACTIVE | LED1_LINK_1000 | LED2_LINK_100 | LED_VALID;
1060		break;
1061	case 0xFD:
1062		led = LED0_ACTIVE | LED1_LINK_1000 | LED2_LINK_100 |
1063		      LED2_LINK_10 | LED_VALID;
1064		break;
1065	case 0xFC:
1066		led = LED0_ACTIVE | LED1_ACTIVE | LED1_LINK_1000 | LED2_ACTIVE |
1067		      LED2_LINK_100 | LED2_LINK_10 | LED_VALID;
1068		break;
1069	default:
1070		led = LED0_ACTIVE | LED1_LINK_10 | LED1_LINK_100 |
1071		      LED1_LINK_1000 | LED2_ACTIVE | LED2_LINK_10 |
1072		      LED2_LINK_100 | LED2_LINK_1000 | LED_VALID;
1073		break;
1074	}
1075
1076	*ledvalue = led;
1077
1078	return 0;
1079}
1080
1081static int ax88179_led_setting(struct usbnet *dev)
1082{
1083	u8 ledfd, value = 0;
1084	u16 tmp, ledact, ledlink, ledvalue = 0, delay = HZ / 10;
1085	unsigned long jtimeout;
1086
1087	/* Check AX88179 version. UA1 or UA2*/
1088	ax88179_read_cmd(dev, AX_ACCESS_MAC, GENERAL_STATUS, 1, 1, &value);
1089
1090	if (!(value & AX_SECLD)) {	/* UA1 */
1091		value = AX_GPIO_CTRL_GPIO3EN | AX_GPIO_CTRL_GPIO2EN |
1092			AX_GPIO_CTRL_GPIO1EN;
1093		if (ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_GPIO_CTRL,
1094				      1, 1, &value) < 0)
1095			return -EINVAL;
1096	}
1097
1098	/* Check EEPROM */
1099	if (!ax88179_check_eeprom(dev)) {
1100		value = 0x42;
1101		if (ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_SROM_ADDR,
1102				      1, 1, &value) < 0)
1103			return -EINVAL;
1104
1105		value = EEP_RD;
1106		if (ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_SROM_CMD,
1107				      1, 1, &value) < 0)
1108			return -EINVAL;
1109
1110		jtimeout = jiffies + delay;
1111		do {
1112			ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_SROM_CMD,
1113					 1, 1, &value);
1114
1115			if (time_after(jiffies, jtimeout))
1116				return -EINVAL;
1117
1118		} while (value & EEP_BUSY);
1119
1120		ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_SROM_DATA_HIGH,
1121				 1, 1, &value);
1122		ledvalue = (value << 8);
1123
1124		ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_SROM_DATA_LOW,
1125				 1, 1, &value);
1126		ledvalue |= value;
1127
1128		/* load internal ROM for defaule setting */
1129		if ((ledvalue == 0xFFFF) || ((ledvalue & LED_VALID) == 0))
1130			ax88179_convert_old_led(dev, &ledvalue);
1131
1132	} else if (!ax88179_check_efuse(dev, &ledvalue)) {
1133		if ((ledvalue == 0xFFFF) || ((ledvalue & LED_VALID) == 0))
1134			ax88179_convert_old_led(dev, &ledvalue);
1135	} else {
1136		ax88179_convert_old_led(dev, &ledvalue);
1137	}
1138
1139	tmp = GMII_PHY_PGSEL_EXT;
1140	ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1141			  GMII_PHY_PAGE_SELECT, 2, &tmp);
1142
1143	tmp = 0x2c;
1144	ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1145			  GMII_PHYPAGE, 2, &tmp);
1146
1147	ax88179_read_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1148			 GMII_LED_ACT, 2, &ledact);
1149
1150	ax88179_read_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1151			 GMII_LED_LINK, 2, &ledlink);
1152
1153	ledact &= GMII_LED_ACTIVE_MASK;
1154	ledlink &= GMII_LED_LINK_MASK;
1155
1156	if (ledvalue & LED0_ACTIVE)
1157		ledact |= GMII_LED0_ACTIVE;
1158
1159	if (ledvalue & LED1_ACTIVE)
1160		ledact |= GMII_LED1_ACTIVE;
1161
1162	if (ledvalue & LED2_ACTIVE)
1163		ledact |= GMII_LED2_ACTIVE;
1164
1165	if (ledvalue & LED0_LINK_10)
1166		ledlink |= GMII_LED0_LINK_10;
1167
1168	if (ledvalue & LED1_LINK_10)
1169		ledlink |= GMII_LED1_LINK_10;
1170
1171	if (ledvalue & LED2_LINK_10)
1172		ledlink |= GMII_LED2_LINK_10;
1173
1174	if (ledvalue & LED0_LINK_100)
1175		ledlink |= GMII_LED0_LINK_100;
1176
1177	if (ledvalue & LED1_LINK_100)
1178		ledlink |= GMII_LED1_LINK_100;
1179
1180	if (ledvalue & LED2_LINK_100)
1181		ledlink |= GMII_LED2_LINK_100;
1182
1183	if (ledvalue & LED0_LINK_1000)
1184		ledlink |= GMII_LED0_LINK_1000;
1185
1186	if (ledvalue & LED1_LINK_1000)
1187		ledlink |= GMII_LED1_LINK_1000;
1188
1189	if (ledvalue & LED2_LINK_1000)
1190		ledlink |= GMII_LED2_LINK_1000;
1191
1192	tmp = ledact;
1193	ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1194			  GMII_LED_ACT, 2, &tmp);
1195
1196	tmp = ledlink;
1197	ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1198			  GMII_LED_LINK, 2, &tmp);
1199
1200	tmp = GMII_PHY_PGSEL_PAGE0;
1201	ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1202			  GMII_PHY_PAGE_SELECT, 2, &tmp);
1203
1204	/* LED full duplex setting */
1205	ledfd = 0;
1206	if (ledvalue & LED0_FD)
1207		ledfd |= 0x01;
1208	else if ((ledvalue & LED0_USB3_MASK) == 0)
1209		ledfd |= 0x02;
1210
1211	if (ledvalue & LED1_FD)
1212		ledfd |= 0x04;
1213	else if ((ledvalue & LED1_USB3_MASK) == 0)
1214		ledfd |= 0x08;
1215
1216	if (ledvalue & LED2_FD)
1217		ledfd |= 0x10;
1218	else if ((ledvalue & LED2_USB3_MASK) == 0)
1219		ledfd |= 0x20;
1220
1221	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_LEDCTRL, 1, 1, &ledfd);
1222
1223	return 0;
1224}
1225
1226static int ax88179_bind(struct usbnet *dev, struct usb_interface *intf)
1227{
1228	u8 buf[5];
1229	u16 *tmp16;
1230	u8 *tmp;
1231	struct ax88179_data *ax179_data = (struct ax88179_data *)dev->data;
1232	struct ethtool_eee eee_data;
1233
1234	usbnet_get_endpoints(dev, intf);
1235
1236	tmp16 = (u16 *)buf;
1237	tmp = (u8 *)buf;
1238
1239	memset(ax179_data, 0, sizeof(*ax179_data));
1240
1241	/* Power up ethernet PHY */
1242	*tmp16 = 0;
1243	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, tmp16);
1244	*tmp16 = AX_PHYPWR_RSTCTL_IPRL;
1245	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, tmp16);
1246	msleep(200);
1247
1248	*tmp = AX_CLK_SELECT_ACS | AX_CLK_SELECT_BCS;
1249	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, tmp);
1250	msleep(100);
1251
1252	ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_NODE_ID, ETH_ALEN,
1253			 ETH_ALEN, dev->net->dev_addr);
1254	memcpy(dev->net->perm_addr, dev->net->dev_addr, ETH_ALEN);
1255
1256	/* RX bulk configuration */
1257	memcpy(tmp, &AX88179_BULKIN_SIZE[0], 5);
1258	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_BULKIN_QCTRL, 5, 5, tmp);
1259
1260	dev->rx_urb_size = 1024 * 20;
1261
1262	*tmp = 0x34;
1263	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PAUSE_WATERLVL_LOW, 1, 1, tmp);
1264
1265	*tmp = 0x52;
1266	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PAUSE_WATERLVL_HIGH,
1267			  1, 1, tmp);
1268
1269	dev->net->netdev_ops = &ax88179_netdev_ops;
1270	dev->net->ethtool_ops = &ax88179_ethtool_ops;
1271	dev->net->needed_headroom = 8;
1272	dev->net->max_mtu = 4088;
1273
1274	/* Initialize MII structure */
1275	dev->mii.dev = dev->net;
1276	dev->mii.mdio_read = ax88179_mdio_read;
1277	dev->mii.mdio_write = ax88179_mdio_write;
1278	dev->mii.phy_id_mask = 0xff;
1279	dev->mii.reg_num_mask = 0xff;
1280	dev->mii.phy_id = 0x03;
1281	dev->mii.supports_gmii = 1;
1282
1283	dev->net->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
1284			      NETIF_F_RXCSUM;
1285
1286	dev->net->hw_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
1287				 NETIF_F_RXCSUM;
1288
1289	/* Enable checksum offload */
1290	*tmp = AX_RXCOE_IP | AX_RXCOE_TCP | AX_RXCOE_UDP |
1291	       AX_RXCOE_TCPV6 | AX_RXCOE_UDPV6;
1292	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RXCOE_CTL, 1, 1, tmp);
1293
1294	*tmp = AX_TXCOE_IP | AX_TXCOE_TCP | AX_TXCOE_UDP |
1295	       AX_TXCOE_TCPV6 | AX_TXCOE_UDPV6;
1296	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_TXCOE_CTL, 1, 1, tmp);
1297
1298	/* Configure RX control register => start operation */
1299	*tmp16 = AX_RX_CTL_DROPCRCERR | AX_RX_CTL_IPE | AX_RX_CTL_START |
1300		 AX_RX_CTL_AP | AX_RX_CTL_AMALL | AX_RX_CTL_AB;
1301	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2, tmp16);
1302
1303	*tmp = AX_MONITOR_MODE_PMETYPE | AX_MONITOR_MODE_PMEPOL |
1304	       AX_MONITOR_MODE_RWMP;
1305	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MONITOR_MOD, 1, 1, tmp);
1306
1307	/* Configure default medium type => giga */
1308	*tmp16 = AX_MEDIUM_RECEIVE_EN | AX_MEDIUM_TXFLOW_CTRLEN |
1309		 AX_MEDIUM_RXFLOW_CTRLEN | AX_MEDIUM_FULL_DUPLEX |
1310		 AX_MEDIUM_GIGAMODE;
1311	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
1312			  2, 2, tmp16);
1313
1314	ax88179_led_setting(dev);
1315
1316	ax179_data->eee_enabled = 0;
1317	ax179_data->eee_active = 0;
1318
1319	ax88179_disable_eee(dev);
1320
1321	ax88179_ethtool_get_eee(dev, &eee_data);
1322	eee_data.advertised = 0;
1323	ax88179_ethtool_set_eee(dev, &eee_data);
1324
1325	/* Restart autoneg */
1326	mii_nway_restart(&dev->mii);
1327
1328	usbnet_link_change(dev, 0, 0);
1329
1330	return 0;
1331}
1332
1333static void ax88179_unbind(struct usbnet *dev, struct usb_interface *intf)
1334{
1335	u16 tmp16;
1336
1337	/* Configure RX control register => stop operation */
1338	tmp16 = AX_RX_CTL_STOP;
1339	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2, &tmp16);
1340
1341	tmp16 = 0;
1342	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, &tmp16);
1343
1344	/* Power down ethernet PHY */
1345	tmp16 = 0;
1346	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, &tmp16);
1347}
1348
1349static void
1350ax88179_rx_checksum(struct sk_buff *skb, u32 *pkt_hdr)
1351{
1352	skb->ip_summed = CHECKSUM_NONE;
1353
1354	/* checksum error bit is set */
1355	if ((*pkt_hdr & AX_RXHDR_L3CSUM_ERR) ||
1356	    (*pkt_hdr & AX_RXHDR_L4CSUM_ERR))
1357		return;
1358
1359	/* It must be a TCP or UDP packet with a valid checksum */
1360	if (((*pkt_hdr & AX_RXHDR_L4_TYPE_MASK) == AX_RXHDR_L4_TYPE_TCP) ||
1361	    ((*pkt_hdr & AX_RXHDR_L4_TYPE_MASK) == AX_RXHDR_L4_TYPE_UDP))
1362		skb->ip_summed = CHECKSUM_UNNECESSARY;
1363}
1364
1365static int ax88179_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
1366{
1367	struct sk_buff *ax_skb;
1368	int pkt_cnt;
1369	u32 rx_hdr;
1370	u16 hdr_off;
1371	u32 *pkt_hdr;
1372
1373	/* This check is no longer done by usbnet */
1374	if (skb->len < dev->net->hard_header_len)
1375		return 0;
1376
1377	skb_trim(skb, skb->len - 4);
1378	memcpy(&rx_hdr, skb_tail_pointer(skb), 4);
1379	le32_to_cpus(&rx_hdr);
1380
1381	pkt_cnt = (u16)rx_hdr;
1382	hdr_off = (u16)(rx_hdr >> 16);
1383	pkt_hdr = (u32 *)(skb->data + hdr_off);
1384
1385	while (pkt_cnt--) {
1386		u16 pkt_len;
1387
1388		le32_to_cpus(pkt_hdr);
1389		pkt_len = (*pkt_hdr >> 16) & 0x1fff;
1390
1391		/* Check CRC or runt packet */
1392		if ((*pkt_hdr & AX_RXHDR_CRC_ERR) ||
1393		    (*pkt_hdr & AX_RXHDR_DROP_ERR)) {
1394			skb_pull(skb, (pkt_len + 7) & 0xFFF8);
1395			pkt_hdr++;
1396			continue;
1397		}
1398
1399		if (pkt_cnt == 0) {
1400			/* Skip IP alignment psudo header */
1401			skb_pull(skb, 2);
1402			skb->len = pkt_len;
1403			skb_set_tail_pointer(skb, pkt_len);
1404			skb->truesize = pkt_len + sizeof(struct sk_buff);
1405			ax88179_rx_checksum(skb, pkt_hdr);
1406			return 1;
1407		}
1408
1409		ax_skb = skb_clone(skb, GFP_ATOMIC);
1410		if (ax_skb) {
1411			ax_skb->len = pkt_len;
1412			ax_skb->data = skb->data + 2;
1413			skb_set_tail_pointer(ax_skb, pkt_len);
1414			ax_skb->truesize = pkt_len + sizeof(struct sk_buff);
1415			ax88179_rx_checksum(ax_skb, pkt_hdr);
1416			usbnet_skb_return(dev, ax_skb);
1417		} else {
1418			return 0;
1419		}
1420
1421		skb_pull(skb, (pkt_len + 7) & 0xFFF8);
1422		pkt_hdr++;
1423	}
1424	return 1;
1425}
1426
1427static struct sk_buff *
1428ax88179_tx_fixup(struct usbnet *dev, struct sk_buff *skb, gfp_t flags)
1429{
1430	u32 tx_hdr1, tx_hdr2;
1431	int frame_size = dev->maxpacket;
1432	int mss = skb_shinfo(skb)->gso_size;
1433	int headroom;
 
1434
1435	tx_hdr1 = skb->len;
1436	tx_hdr2 = mss;
1437	if (((skb->len + 8) % frame_size) == 0)
1438		tx_hdr2 |= 0x80008000;	/* Enable padding */
1439
1440	headroom = skb_headroom(skb) - 8;
1441
1442	if ((skb_header_cloned(skb) || headroom < 0) &&
1443	    pskb_expand_head(skb, headroom < 0 ? 8 : 0, 0, GFP_ATOMIC)) {
1444		dev_kfree_skb_any(skb);
1445		return NULL;
1446	}
1447
1448	skb_push(skb, 4);
1449	cpu_to_le32s(&tx_hdr2);
1450	skb_copy_to_linear_data(skb, &tx_hdr2, 4);
1451
1452	skb_push(skb, 4);
1453	cpu_to_le32s(&tx_hdr1);
1454	skb_copy_to_linear_data(skb, &tx_hdr1, 4);
1455
1456	return skb;
1457}
1458
1459static int ax88179_link_reset(struct usbnet *dev)
1460{
1461	struct ax88179_data *ax179_data = (struct ax88179_data *)dev->data;
1462	u8 tmp[5], link_sts;
1463	u16 mode, tmp16, delay = HZ / 10;
1464	u32 tmp32 = 0x40000000;
1465	unsigned long jtimeout;
1466
1467	jtimeout = jiffies + delay;
1468	while (tmp32 & 0x40000000) {
1469		mode = 0;
1470		ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2, &mode);
1471		ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2,
1472				  &ax179_data->rxctl);
1473
1474		/*link up, check the usb device control TX FIFO full or empty*/
1475		ax88179_read_cmd(dev, 0x81, 0x8c, 0, 4, &tmp32);
1476
1477		if (time_after(jiffies, jtimeout))
1478			return 0;
1479	}
1480
1481	mode = AX_MEDIUM_RECEIVE_EN | AX_MEDIUM_TXFLOW_CTRLEN |
1482	       AX_MEDIUM_RXFLOW_CTRLEN;
1483
1484	ax88179_read_cmd(dev, AX_ACCESS_MAC, PHYSICAL_LINK_STATUS,
1485			 1, 1, &link_sts);
1486
1487	ax88179_read_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1488			 GMII_PHY_PHYSR, 2, &tmp16);
1489
1490	if (!(tmp16 & GMII_PHY_PHYSR_LINK)) {
1491		return 0;
1492	} else if (GMII_PHY_PHYSR_GIGA == (tmp16 & GMII_PHY_PHYSR_SMASK)) {
1493		mode |= AX_MEDIUM_GIGAMODE | AX_MEDIUM_EN_125MHZ;
1494		if (dev->net->mtu > 1500)
1495			mode |= AX_MEDIUM_JUMBO_EN;
1496
1497		if (link_sts & AX_USB_SS)
1498			memcpy(tmp, &AX88179_BULKIN_SIZE[0], 5);
1499		else if (link_sts & AX_USB_HS)
1500			memcpy(tmp, &AX88179_BULKIN_SIZE[1], 5);
1501		else
1502			memcpy(tmp, &AX88179_BULKIN_SIZE[3], 5);
1503	} else if (GMII_PHY_PHYSR_100 == (tmp16 & GMII_PHY_PHYSR_SMASK)) {
1504		mode |= AX_MEDIUM_PS;
1505
1506		if (link_sts & (AX_USB_SS | AX_USB_HS))
1507			memcpy(tmp, &AX88179_BULKIN_SIZE[2], 5);
1508		else
1509			memcpy(tmp, &AX88179_BULKIN_SIZE[3], 5);
1510	} else {
1511		memcpy(tmp, &AX88179_BULKIN_SIZE[3], 5);
1512	}
1513
1514	/* RX bulk configuration */
1515	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_BULKIN_QCTRL, 5, 5, tmp);
1516
1517	dev->rx_urb_size = (1024 * (tmp[3] + 2));
1518
1519	if (tmp16 & GMII_PHY_PHYSR_FULL)
1520		mode |= AX_MEDIUM_FULL_DUPLEX;
1521	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
1522			  2, 2, &mode);
1523
1524	ax179_data->eee_enabled = ax88179_chk_eee(dev);
1525
1526	netif_carrier_on(dev->net);
1527
1528	return 0;
1529}
1530
1531static int ax88179_reset(struct usbnet *dev)
1532{
1533	u8 buf[5];
1534	u16 *tmp16;
1535	u8 *tmp;
1536	struct ax88179_data *ax179_data = (struct ax88179_data *)dev->data;
1537	struct ethtool_eee eee_data;
1538
1539	tmp16 = (u16 *)buf;
1540	tmp = (u8 *)buf;
1541
1542	/* Power up ethernet PHY */
1543	*tmp16 = 0;
1544	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, tmp16);
1545
1546	*tmp16 = AX_PHYPWR_RSTCTL_IPRL;
1547	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, tmp16);
1548	msleep(200);
1549
1550	*tmp = AX_CLK_SELECT_ACS | AX_CLK_SELECT_BCS;
1551	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, tmp);
1552	msleep(100);
1553
1554	/* Ethernet PHY Auto Detach*/
1555	ax88179_auto_detach(dev, 0);
1556
1557	ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_NODE_ID, ETH_ALEN, ETH_ALEN,
1558			 dev->net->dev_addr);
1559
1560	/* RX bulk configuration */
1561	memcpy(tmp, &AX88179_BULKIN_SIZE[0], 5);
1562	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_BULKIN_QCTRL, 5, 5, tmp);
1563
1564	dev->rx_urb_size = 1024 * 20;
1565
1566	*tmp = 0x34;
1567	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PAUSE_WATERLVL_LOW, 1, 1, tmp);
1568
1569	*tmp = 0x52;
1570	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PAUSE_WATERLVL_HIGH,
1571			  1, 1, tmp);
1572
1573	dev->net->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
1574			      NETIF_F_RXCSUM;
1575
1576	dev->net->hw_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
1577				 NETIF_F_RXCSUM;
1578
1579	/* Enable checksum offload */
1580	*tmp = AX_RXCOE_IP | AX_RXCOE_TCP | AX_RXCOE_UDP |
1581	       AX_RXCOE_TCPV6 | AX_RXCOE_UDPV6;
1582	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RXCOE_CTL, 1, 1, tmp);
1583
1584	*tmp = AX_TXCOE_IP | AX_TXCOE_TCP | AX_TXCOE_UDP |
1585	       AX_TXCOE_TCPV6 | AX_TXCOE_UDPV6;
1586	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_TXCOE_CTL, 1, 1, tmp);
1587
1588	/* Configure RX control register => start operation */
1589	*tmp16 = AX_RX_CTL_DROPCRCERR | AX_RX_CTL_IPE | AX_RX_CTL_START |
1590		 AX_RX_CTL_AP | AX_RX_CTL_AMALL | AX_RX_CTL_AB;
1591	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2, tmp16);
1592
1593	*tmp = AX_MONITOR_MODE_PMETYPE | AX_MONITOR_MODE_PMEPOL |
1594	       AX_MONITOR_MODE_RWMP;
1595	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MONITOR_MOD, 1, 1, tmp);
1596
1597	/* Configure default medium type => giga */
1598	*tmp16 = AX_MEDIUM_RECEIVE_EN | AX_MEDIUM_TXFLOW_CTRLEN |
1599		 AX_MEDIUM_RXFLOW_CTRLEN | AX_MEDIUM_FULL_DUPLEX |
1600		 AX_MEDIUM_GIGAMODE;
1601	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
1602			  2, 2, tmp16);
1603
1604	ax88179_led_setting(dev);
1605
1606	ax179_data->eee_enabled = 0;
1607	ax179_data->eee_active = 0;
1608
1609	ax88179_disable_eee(dev);
1610
1611	ax88179_ethtool_get_eee(dev, &eee_data);
1612	eee_data.advertised = 0;
1613	ax88179_ethtool_set_eee(dev, &eee_data);
1614
1615	/* Restart autoneg */
1616	mii_nway_restart(&dev->mii);
1617
1618	usbnet_link_change(dev, 0, 0);
1619
1620	return 0;
1621}
1622
1623static int ax88179_stop(struct usbnet *dev)
1624{
1625	u16 tmp16;
1626
1627	ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
1628			 2, 2, &tmp16);
1629	tmp16 &= ~AX_MEDIUM_RECEIVE_EN;
1630	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
1631			  2, 2, &tmp16);
1632
1633	return 0;
1634}
1635
1636static const struct driver_info ax88179_info = {
1637	.description = "ASIX AX88179 USB 3.0 Gigabit Ethernet",
1638	.bind = ax88179_bind,
1639	.unbind = ax88179_unbind,
1640	.status = ax88179_status,
1641	.link_reset = ax88179_link_reset,
1642	.reset = ax88179_reset,
1643	.stop = ax88179_stop,
1644	.flags = FLAG_ETHER | FLAG_FRAMING_AX,
1645	.rx_fixup = ax88179_rx_fixup,
1646	.tx_fixup = ax88179_tx_fixup,
1647};
1648
1649static const struct driver_info ax88178a_info = {
1650	.description = "ASIX AX88178A USB 2.0 Gigabit Ethernet",
1651	.bind = ax88179_bind,
1652	.unbind = ax88179_unbind,
1653	.status = ax88179_status,
1654	.link_reset = ax88179_link_reset,
1655	.reset = ax88179_reset,
1656	.stop = ax88179_stop,
1657	.flags = FLAG_ETHER | FLAG_FRAMING_AX,
1658	.rx_fixup = ax88179_rx_fixup,
1659	.tx_fixup = ax88179_tx_fixup,
1660};
1661
1662static const struct driver_info cypress_GX3_info = {
1663	.description = "Cypress GX3 SuperSpeed to Gigabit Ethernet Controller",
1664	.bind = ax88179_bind,
1665	.unbind = ax88179_unbind,
1666	.status = ax88179_status,
1667	.link_reset = ax88179_link_reset,
1668	.reset = ax88179_reset,
1669	.stop = ax88179_stop,
1670	.flags = FLAG_ETHER | FLAG_FRAMING_AX,
1671	.rx_fixup = ax88179_rx_fixup,
1672	.tx_fixup = ax88179_tx_fixup,
1673};
1674
1675static const struct driver_info dlink_dub1312_info = {
1676	.description = "D-Link DUB-1312 USB 3.0 to Gigabit Ethernet Adapter",
1677	.bind = ax88179_bind,
1678	.unbind = ax88179_unbind,
1679	.status = ax88179_status,
1680	.link_reset = ax88179_link_reset,
1681	.reset = ax88179_reset,
1682	.stop = ax88179_stop,
1683	.flags = FLAG_ETHER | FLAG_FRAMING_AX,
1684	.rx_fixup = ax88179_rx_fixup,
1685	.tx_fixup = ax88179_tx_fixup,
1686};
1687
1688static const struct driver_info sitecom_info = {
1689	.description = "Sitecom USB 3.0 to Gigabit Adapter",
1690	.bind = ax88179_bind,
1691	.unbind = ax88179_unbind,
1692	.status = ax88179_status,
1693	.link_reset = ax88179_link_reset,
1694	.reset = ax88179_reset,
1695	.stop = ax88179_stop,
1696	.flags = FLAG_ETHER | FLAG_FRAMING_AX,
1697	.rx_fixup = ax88179_rx_fixup,
1698	.tx_fixup = ax88179_tx_fixup,
1699};
1700
1701static const struct driver_info samsung_info = {
1702	.description = "Samsung USB Ethernet Adapter",
1703	.bind = ax88179_bind,
1704	.unbind = ax88179_unbind,
1705	.status = ax88179_status,
1706	.link_reset = ax88179_link_reset,
1707	.reset = ax88179_reset,
1708	.stop = ax88179_stop,
1709	.flags = FLAG_ETHER | FLAG_FRAMING_AX,
1710	.rx_fixup = ax88179_rx_fixup,
1711	.tx_fixup = ax88179_tx_fixup,
1712};
1713
1714static const struct driver_info lenovo_info = {
1715	.description = "Lenovo OneLinkDock Gigabit LAN",
1716	.bind = ax88179_bind,
1717	.unbind = ax88179_unbind,
1718	.status = ax88179_status,
1719	.link_reset = ax88179_link_reset,
1720	.reset = ax88179_reset,
1721	.stop = ax88179_stop,
1722	.flags = FLAG_ETHER | FLAG_FRAMING_AX,
1723	.rx_fixup = ax88179_rx_fixup,
1724	.tx_fixup = ax88179_tx_fixup,
1725};
1726
1727static const struct driver_info belkin_info = {
1728	.description = "Belkin USB Ethernet Adapter",
1729	.bind	= ax88179_bind,
1730	.unbind = ax88179_unbind,
1731	.status = ax88179_status,
1732	.link_reset = ax88179_link_reset,
1733	.reset	= ax88179_reset,
1734	.flags	= FLAG_ETHER | FLAG_FRAMING_AX,
1735	.rx_fixup = ax88179_rx_fixup,
1736	.tx_fixup = ax88179_tx_fixup,
1737};
1738
1739static const struct usb_device_id products[] = {
1740{
1741	/* ASIX AX88179 10/100/1000 */
1742	USB_DEVICE(0x0b95, 0x1790),
1743	.driver_info = (unsigned long)&ax88179_info,
1744}, {
1745	/* ASIX AX88178A 10/100/1000 */
1746	USB_DEVICE(0x0b95, 0x178a),
1747	.driver_info = (unsigned long)&ax88178a_info,
1748}, {
1749	/* Cypress GX3 SuperSpeed to Gigabit Ethernet Bridge Controller */
1750	USB_DEVICE(0x04b4, 0x3610),
1751	.driver_info = (unsigned long)&cypress_GX3_info,
1752}, {
1753	/* D-Link DUB-1312 USB 3.0 to Gigabit Ethernet Adapter */
1754	USB_DEVICE(0x2001, 0x4a00),
1755	.driver_info = (unsigned long)&dlink_dub1312_info,
1756}, {
1757	/* Sitecom USB 3.0 to Gigabit Adapter */
1758	USB_DEVICE(0x0df6, 0x0072),
1759	.driver_info = (unsigned long)&sitecom_info,
1760}, {
1761	/* Samsung USB Ethernet Adapter */
1762	USB_DEVICE(0x04e8, 0xa100),
1763	.driver_info = (unsigned long)&samsung_info,
1764}, {
1765	/* Lenovo OneLinkDock Gigabit LAN */
1766	USB_DEVICE(0x17ef, 0x304b),
1767	.driver_info = (unsigned long)&lenovo_info,
1768}, {
1769	/* Belkin B2B128 USB 3.0 Hub + Gigabit Ethernet Adapter */
1770	USB_DEVICE(0x050d, 0x0128),
1771	.driver_info = (unsigned long)&belkin_info,
1772},
1773	{ },
1774};
1775MODULE_DEVICE_TABLE(usb, products);
1776
1777static struct usb_driver ax88179_178a_driver = {
1778	.name =		"ax88179_178a",
1779	.id_table =	products,
1780	.probe =	usbnet_probe,
1781	.suspend =	ax88179_suspend,
1782	.resume =	ax88179_resume,
1783	.reset_resume =	ax88179_resume,
1784	.disconnect =	usbnet_disconnect,
1785	.supports_autosuspend = 1,
1786	.disable_hub_initiated_lpm = 1,
1787};
1788
1789module_usb_driver(ax88179_178a_driver);
1790
1791MODULE_DESCRIPTION("ASIX AX88179/178A based USB 3.0/2.0 Gigabit Ethernet Devices");
1792MODULE_LICENSE("GPL");
v5.4
   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_PAUSE_WATERLVL_HIGH			0x54
  35#define AX_PAUSE_WATERLVL_LOW			0x55
  36
  37#define PHYSICAL_LINK_STATUS			0x02
  38	#define	AX_USB_SS		0x04
  39	#define	AX_USB_HS		0x02
  40
  41#define GENERAL_STATUS				0x03
  42/* Check AX88179 version. UA1:Bit2 = 0,  UA2:Bit2 = 1 */
  43	#define	AX_SECLD		0x04
  44
  45#define AX_SROM_ADDR				0x07
  46#define AX_SROM_CMD				0x0a
  47	#define EEP_RD			0x04
  48	#define EEP_BUSY		0x10
  49
  50#define AX_SROM_DATA_LOW			0x08
  51#define AX_SROM_DATA_HIGH			0x09
  52
  53#define AX_RX_CTL				0x0b
  54	#define AX_RX_CTL_DROPCRCERR	0x0100
  55	#define AX_RX_CTL_IPE		0x0200
  56	#define AX_RX_CTL_START		0x0080
  57	#define AX_RX_CTL_AP		0x0020
  58	#define AX_RX_CTL_AM		0x0010
  59	#define AX_RX_CTL_AB		0x0008
  60	#define AX_RX_CTL_AMALL		0x0002
  61	#define AX_RX_CTL_PRO		0x0001
  62	#define AX_RX_CTL_STOP		0x0000
  63
  64#define AX_NODE_ID				0x10
  65#define AX_MULFLTARY				0x16
  66
  67#define AX_MEDIUM_STATUS_MODE			0x22
  68	#define AX_MEDIUM_GIGAMODE	0x01
  69	#define AX_MEDIUM_FULL_DUPLEX	0x02
  70	#define AX_MEDIUM_EN_125MHZ	0x08
  71	#define AX_MEDIUM_RXFLOW_CTRLEN	0x10
  72	#define AX_MEDIUM_TXFLOW_CTRLEN	0x20
  73	#define AX_MEDIUM_RECEIVE_EN	0x100
  74	#define AX_MEDIUM_PS		0x200
  75	#define AX_MEDIUM_JUMBO_EN	0x8040
  76
  77#define AX_MONITOR_MOD				0x24
  78	#define AX_MONITOR_MODE_RWLC	0x02
  79	#define AX_MONITOR_MODE_RWMP	0x04
  80	#define AX_MONITOR_MODE_PMEPOL	0x20
  81	#define AX_MONITOR_MODE_PMETYPE	0x40
  82
  83#define AX_GPIO_CTRL				0x25
  84	#define AX_GPIO_CTRL_GPIO3EN	0x80
  85	#define AX_GPIO_CTRL_GPIO2EN	0x40
  86	#define AX_GPIO_CTRL_GPIO1EN	0x20
  87
  88#define AX_PHYPWR_RSTCTL			0x26
  89	#define AX_PHYPWR_RSTCTL_BZ	0x0010
  90	#define AX_PHYPWR_RSTCTL_IPRL	0x0020
  91	#define AX_PHYPWR_RSTCTL_AT	0x1000
  92
  93#define AX_RX_BULKIN_QCTRL			0x2e
  94#define AX_CLK_SELECT				0x33
  95	#define AX_CLK_SELECT_BCS	0x01
  96	#define AX_CLK_SELECT_ACS	0x02
  97	#define AX_CLK_SELECT_ULR	0x08
  98
  99#define AX_RXCOE_CTL				0x34
 100	#define AX_RXCOE_IP		0x01
 101	#define AX_RXCOE_TCP		0x02
 102	#define AX_RXCOE_UDP		0x04
 103	#define AX_RXCOE_TCPV6		0x20
 104	#define AX_RXCOE_UDPV6		0x40
 105
 106#define AX_TXCOE_CTL				0x35
 107	#define AX_TXCOE_IP		0x01
 108	#define AX_TXCOE_TCP		0x02
 109	#define AX_TXCOE_UDP		0x04
 110	#define AX_TXCOE_TCPV6		0x20
 111	#define AX_TXCOE_UDPV6		0x40
 112
 113#define AX_LEDCTRL				0x73
 114
 115#define GMII_PHY_PHYSR				0x11
 116	#define GMII_PHY_PHYSR_SMASK	0xc000
 117	#define GMII_PHY_PHYSR_GIGA	0x8000
 118	#define GMII_PHY_PHYSR_100	0x4000
 119	#define GMII_PHY_PHYSR_FULL	0x2000
 120	#define GMII_PHY_PHYSR_LINK	0x400
 121
 122#define GMII_LED_ACT				0x1a
 123	#define	GMII_LED_ACTIVE_MASK	0xff8f
 124	#define	GMII_LED0_ACTIVE	BIT(4)
 125	#define	GMII_LED1_ACTIVE	BIT(5)
 126	#define	GMII_LED2_ACTIVE	BIT(6)
 127
 128#define GMII_LED_LINK				0x1c
 129	#define	GMII_LED_LINK_MASK	0xf888
 130	#define	GMII_LED0_LINK_10	BIT(0)
 131	#define	GMII_LED0_LINK_100	BIT(1)
 132	#define	GMII_LED0_LINK_1000	BIT(2)
 133	#define	GMII_LED1_LINK_10	BIT(4)
 134	#define	GMII_LED1_LINK_100	BIT(5)
 135	#define	GMII_LED1_LINK_1000	BIT(6)
 136	#define	GMII_LED2_LINK_10	BIT(8)
 137	#define	GMII_LED2_LINK_100	BIT(9)
 138	#define	GMII_LED2_LINK_1000	BIT(10)
 139	#define	LED0_ACTIVE		BIT(0)
 140	#define	LED0_LINK_10		BIT(1)
 141	#define	LED0_LINK_100		BIT(2)
 142	#define	LED0_LINK_1000		BIT(3)
 143	#define	LED0_FD			BIT(4)
 144	#define	LED0_USB3_MASK		0x001f
 145	#define	LED1_ACTIVE		BIT(5)
 146	#define	LED1_LINK_10		BIT(6)
 147	#define	LED1_LINK_100		BIT(7)
 148	#define	LED1_LINK_1000		BIT(8)
 149	#define	LED1_FD			BIT(9)
 150	#define	LED1_USB3_MASK		0x03e0
 151	#define	LED2_ACTIVE		BIT(10)
 152	#define	LED2_LINK_1000		BIT(13)
 153	#define	LED2_LINK_100		BIT(12)
 154	#define	LED2_LINK_10		BIT(11)
 155	#define	LED2_FD			BIT(14)
 156	#define	LED_VALID		BIT(15)
 157	#define	LED2_USB3_MASK		0x7c00
 158
 159#define GMII_PHYPAGE				0x1e
 160#define GMII_PHY_PAGE_SELECT			0x1f
 161	#define GMII_PHY_PGSEL_EXT	0x0007
 162	#define GMII_PHY_PGSEL_PAGE0	0x0000
 163	#define GMII_PHY_PGSEL_PAGE3	0x0003
 164	#define GMII_PHY_PGSEL_PAGE5	0x0005
 165
 166struct ax88179_data {
 167	u8  eee_enabled;
 168	u8  eee_active;
 169	u16 rxctl;
 170	u16 reserved;
 171};
 172
 173struct ax88179_int_data {
 174	__le32 intdata1;
 175	__le32 intdata2;
 176};
 177
 178static const struct {
 179	unsigned char ctrl, timer_l, timer_h, size, ifg;
 180} AX88179_BULKIN_SIZE[] =	{
 181	{7, 0x4f, 0,	0x12, 0xff},
 182	{7, 0x20, 3,	0x16, 0xff},
 183	{7, 0xae, 7,	0x18, 0xff},
 184	{7, 0xcc, 0x4c, 0x18, 8},
 185};
 186
 187static int __ax88179_read_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
 188			      u16 size, void *data, int in_pm)
 189{
 190	int ret;
 191	int (*fn)(struct usbnet *, u8, u8, u16, u16, void *, u16);
 192
 193	BUG_ON(!dev);
 194
 195	if (!in_pm)
 196		fn = usbnet_read_cmd;
 197	else
 198		fn = usbnet_read_cmd_nopm;
 199
 200	ret = fn(dev, cmd, USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 201		 value, index, data, size);
 202
 203	if (unlikely(ret < 0))
 204		netdev_warn(dev->net, "Failed to read reg index 0x%04x: %d\n",
 205			    index, ret);
 206
 207	return ret;
 208}
 209
 210static int __ax88179_write_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
 211			       u16 size, void *data, int in_pm)
 212{
 213	int ret;
 214	int (*fn)(struct usbnet *, u8, u8, u16, u16, const void *, u16);
 215
 216	BUG_ON(!dev);
 217
 218	if (!in_pm)
 219		fn = usbnet_write_cmd;
 220	else
 221		fn = usbnet_write_cmd_nopm;
 222
 223	ret = fn(dev, cmd, USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 224		 value, index, data, size);
 225
 226	if (unlikely(ret < 0))
 227		netdev_warn(dev->net, "Failed to write reg index 0x%04x: %d\n",
 228			    index, ret);
 229
 230	return ret;
 231}
 232
 233static void ax88179_write_cmd_async(struct usbnet *dev, u8 cmd, u16 value,
 234				    u16 index, u16 size, void *data)
 235{
 236	u16 buf;
 237
 238	if (2 == size) {
 239		buf = *((u16 *)data);
 240		cpu_to_le16s(&buf);
 241		usbnet_write_cmd_async(dev, cmd, USB_DIR_OUT | USB_TYPE_VENDOR |
 242				       USB_RECIP_DEVICE, value, index, &buf,
 243				       size);
 244	} else {
 245		usbnet_write_cmd_async(dev, cmd, USB_DIR_OUT | USB_TYPE_VENDOR |
 246				       USB_RECIP_DEVICE, value, index, data,
 247				       size);
 248	}
 249}
 250
 251static int ax88179_read_cmd_nopm(struct usbnet *dev, u8 cmd, u16 value,
 252				 u16 index, u16 size, void *data)
 253{
 254	int ret;
 255
 256	if (2 == size) {
 257		u16 buf;
 258		ret = __ax88179_read_cmd(dev, cmd, value, index, size, &buf, 1);
 259		le16_to_cpus(&buf);
 260		*((u16 *)data) = buf;
 261	} else if (4 == size) {
 262		u32 buf;
 263		ret = __ax88179_read_cmd(dev, cmd, value, index, size, &buf, 1);
 264		le32_to_cpus(&buf);
 265		*((u32 *)data) = buf;
 266	} else {
 267		ret = __ax88179_read_cmd(dev, cmd, value, index, size, data, 1);
 268	}
 269
 270	return ret;
 271}
 272
 273static int ax88179_write_cmd_nopm(struct usbnet *dev, u8 cmd, u16 value,
 274				  u16 index, u16 size, void *data)
 275{
 276	int ret;
 277
 278	if (2 == size) {
 279		u16 buf;
 280		buf = *((u16 *)data);
 281		cpu_to_le16s(&buf);
 282		ret = __ax88179_write_cmd(dev, cmd, value, index,
 283					  size, &buf, 1);
 284	} else {
 285		ret = __ax88179_write_cmd(dev, cmd, value, index,
 286					  size, data, 1);
 287	}
 288
 289	return ret;
 290}
 291
 292static int ax88179_read_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
 293			    u16 size, void *data)
 294{
 295	int ret;
 296
 297	if (2 == size) {
 298		u16 buf;
 299		ret = __ax88179_read_cmd(dev, cmd, value, index, size, &buf, 0);
 300		le16_to_cpus(&buf);
 301		*((u16 *)data) = buf;
 302	} else if (4 == size) {
 303		u32 buf;
 304		ret = __ax88179_read_cmd(dev, cmd, value, index, size, &buf, 0);
 305		le32_to_cpus(&buf);
 306		*((u32 *)data) = buf;
 307	} else {
 308		ret = __ax88179_read_cmd(dev, cmd, value, index, size, data, 0);
 309	}
 310
 311	return ret;
 312}
 313
 314static int ax88179_write_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
 315			     u16 size, void *data)
 316{
 317	int ret;
 318
 319	if (2 == size) {
 320		u16 buf;
 321		buf = *((u16 *)data);
 322		cpu_to_le16s(&buf);
 323		ret = __ax88179_write_cmd(dev, cmd, value, index,
 324					  size, &buf, 0);
 325	} else {
 326		ret = __ax88179_write_cmd(dev, cmd, value, index,
 327					  size, data, 0);
 328	}
 329
 330	return ret;
 331}
 332
 333static void ax88179_status(struct usbnet *dev, struct urb *urb)
 334{
 335	struct ax88179_int_data *event;
 336	u32 link;
 337
 338	if (urb->actual_length < 8)
 339		return;
 340
 341	event = urb->transfer_buffer;
 342	le32_to_cpus((void *)&event->intdata1);
 343
 344	link = (((__force u32)event->intdata1) & AX_INT_PPLS_LINK) >> 16;
 345
 346	if (netif_carrier_ok(dev->net) != link) {
 347		usbnet_link_change(dev, link, 1);
 348		netdev_info(dev->net, "ax88179 - Link status is: %d\n", link);
 349	}
 350}
 351
 352static int ax88179_mdio_read(struct net_device *netdev, int phy_id, int loc)
 353{
 354	struct usbnet *dev = netdev_priv(netdev);
 355	u16 res;
 356
 357	ax88179_read_cmd(dev, AX_ACCESS_PHY, phy_id, (__u16)loc, 2, &res);
 358	return res;
 359}
 360
 361static void ax88179_mdio_write(struct net_device *netdev, int phy_id, int loc,
 362			       int val)
 363{
 364	struct usbnet *dev = netdev_priv(netdev);
 365	u16 res = (u16) val;
 366
 367	ax88179_write_cmd(dev, AX_ACCESS_PHY, phy_id, (__u16)loc, 2, &res);
 368}
 369
 370static inline int ax88179_phy_mmd_indirect(struct usbnet *dev, u16 prtad,
 371					   u16 devad)
 372{
 373	u16 tmp16;
 374	int ret;
 375
 376	tmp16 = devad;
 377	ret = ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
 378				MII_MMD_CTRL, 2, &tmp16);
 379
 380	tmp16 = prtad;
 381	ret = ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
 382				MII_MMD_DATA, 2, &tmp16);
 383
 384	tmp16 = devad | MII_MMD_CTRL_NOINCR;
 385	ret = ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
 386				MII_MMD_CTRL, 2, &tmp16);
 387
 388	return ret;
 389}
 390
 391static int
 392ax88179_phy_read_mmd_indirect(struct usbnet *dev, u16 prtad, u16 devad)
 393{
 394	int ret;
 395	u16 tmp16;
 396
 397	ax88179_phy_mmd_indirect(dev, prtad, devad);
 398
 399	ret = ax88179_read_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
 400			       MII_MMD_DATA, 2, &tmp16);
 401	if (ret < 0)
 402		return ret;
 403
 404	return tmp16;
 405}
 406
 407static int
 408ax88179_phy_write_mmd_indirect(struct usbnet *dev, u16 prtad, u16 devad,
 409			       u16 data)
 410{
 411	int ret;
 412
 413	ax88179_phy_mmd_indirect(dev, prtad, devad);
 414
 415	ret = ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
 416				MII_MMD_DATA, 2, &data);
 417
 418	if (ret < 0)
 419		return ret;
 420
 421	return 0;
 422}
 423
 424static int ax88179_suspend(struct usb_interface *intf, pm_message_t message)
 425{
 426	struct usbnet *dev = usb_get_intfdata(intf);
 427	u16 tmp16;
 428	u8 tmp8;
 429
 430	usbnet_suspend(intf, message);
 431
 432	/* Disable RX path */
 433	ax88179_read_cmd_nopm(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
 434			      2, 2, &tmp16);
 435	tmp16 &= ~AX_MEDIUM_RECEIVE_EN;
 436	ax88179_write_cmd_nopm(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
 437			       2, 2, &tmp16);
 438
 439	/* Force bulk-in zero length */
 440	ax88179_read_cmd_nopm(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL,
 441			      2, 2, &tmp16);
 442
 443	tmp16 |= AX_PHYPWR_RSTCTL_BZ | AX_PHYPWR_RSTCTL_IPRL;
 444	ax88179_write_cmd_nopm(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL,
 445			       2, 2, &tmp16);
 446
 447	/* change clock */
 448	tmp8 = 0;
 449	ax88179_write_cmd_nopm(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, &tmp8);
 450
 451	/* Configure RX control register => stop operation */
 452	tmp16 = AX_RX_CTL_STOP;
 453	ax88179_write_cmd_nopm(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2, &tmp16);
 454
 455	return 0;
 456}
 457
 458/* This function is used to enable the autodetach function. */
 459/* This function is determined by offset 0x43 of EEPROM */
 460static int ax88179_auto_detach(struct usbnet *dev, int in_pm)
 461{
 462	u16 tmp16;
 463	u8 tmp8;
 464	int (*fnr)(struct usbnet *, u8, u16, u16, u16, void *);
 465	int (*fnw)(struct usbnet *, u8, u16, u16, u16, void *);
 466
 467	if (!in_pm) {
 468		fnr = ax88179_read_cmd;
 469		fnw = ax88179_write_cmd;
 470	} else {
 471		fnr = ax88179_read_cmd_nopm;
 472		fnw = ax88179_write_cmd_nopm;
 473	}
 474
 475	if (fnr(dev, AX_ACCESS_EEPROM, 0x43, 1, 2, &tmp16) < 0)
 476		return 0;
 477
 478	if ((tmp16 == 0xFFFF) || (!(tmp16 & 0x0100)))
 479		return 0;
 480
 481	/* Enable Auto Detach bit */
 482	tmp8 = 0;
 483	fnr(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, &tmp8);
 484	tmp8 |= AX_CLK_SELECT_ULR;
 485	fnw(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, &tmp8);
 486
 487	fnr(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, &tmp16);
 488	tmp16 |= AX_PHYPWR_RSTCTL_AT;
 489	fnw(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, &tmp16);
 490
 491	return 0;
 492}
 493
 494static int ax88179_resume(struct usb_interface *intf)
 495{
 496	struct usbnet *dev = usb_get_intfdata(intf);
 497	u16 tmp16;
 498	u8 tmp8;
 499
 500	usbnet_link_change(dev, 0, 0);
 501
 502	/* Power up ethernet PHY */
 503	tmp16 = 0;
 504	ax88179_write_cmd_nopm(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL,
 505			       2, 2, &tmp16);
 506	udelay(1000);
 507
 508	tmp16 = AX_PHYPWR_RSTCTL_IPRL;
 509	ax88179_write_cmd_nopm(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL,
 510			       2, 2, &tmp16);
 511	msleep(200);
 512
 513	/* Ethernet PHY Auto Detach*/
 514	ax88179_auto_detach(dev, 1);
 515
 516	/* Enable clock */
 517	ax88179_read_cmd_nopm(dev, AX_ACCESS_MAC,  AX_CLK_SELECT, 1, 1, &tmp8);
 518	tmp8 |= AX_CLK_SELECT_ACS | AX_CLK_SELECT_BCS;
 519	ax88179_write_cmd_nopm(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, &tmp8);
 520	msleep(100);
 521
 522	/* Configure RX control register => start operation */
 523	tmp16 = AX_RX_CTL_DROPCRCERR | AX_RX_CTL_IPE | AX_RX_CTL_START |
 524		AX_RX_CTL_AP | AX_RX_CTL_AMALL | AX_RX_CTL_AB;
 525	ax88179_write_cmd_nopm(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2, &tmp16);
 526
 527	return usbnet_resume(intf);
 528}
 529
 530static void
 531ax88179_get_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo)
 532{
 533	struct usbnet *dev = netdev_priv(net);
 534	u8 opt;
 535
 536	if (ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_MONITOR_MOD,
 537			     1, 1, &opt) < 0) {
 538		wolinfo->supported = 0;
 539		wolinfo->wolopts = 0;
 540		return;
 541	}
 542
 543	wolinfo->supported = WAKE_PHY | WAKE_MAGIC;
 544	wolinfo->wolopts = 0;
 545	if (opt & AX_MONITOR_MODE_RWLC)
 546		wolinfo->wolopts |= WAKE_PHY;
 547	if (opt & AX_MONITOR_MODE_RWMP)
 548		wolinfo->wolopts |= WAKE_MAGIC;
 549}
 550
 551static int
 552ax88179_set_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo)
 553{
 554	struct usbnet *dev = netdev_priv(net);
 555	u8 opt = 0;
 556
 557	if (wolinfo->wolopts & ~(WAKE_PHY | WAKE_MAGIC))
 558		return -EINVAL;
 559
 560	if (wolinfo->wolopts & WAKE_PHY)
 561		opt |= AX_MONITOR_MODE_RWLC;
 562	if (wolinfo->wolopts & WAKE_MAGIC)
 563		opt |= AX_MONITOR_MODE_RWMP;
 564
 565	if (ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MONITOR_MOD,
 566			      1, 1, &opt) < 0)
 567		return -EINVAL;
 568
 569	return 0;
 570}
 571
 572static int ax88179_get_eeprom_len(struct net_device *net)
 573{
 574	return AX_EEPROM_LEN;
 575}
 576
 577static int
 578ax88179_get_eeprom(struct net_device *net, struct ethtool_eeprom *eeprom,
 579		   u8 *data)
 580{
 581	struct usbnet *dev = netdev_priv(net);
 582	u16 *eeprom_buff;
 583	int first_word, last_word;
 584	int i, ret;
 585
 586	if (eeprom->len == 0)
 587		return -EINVAL;
 588
 589	eeprom->magic = AX88179_EEPROM_MAGIC;
 590
 591	first_word = eeprom->offset >> 1;
 592	last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 593	eeprom_buff = kmalloc_array(last_word - first_word + 1, sizeof(u16),
 594				    GFP_KERNEL);
 595	if (!eeprom_buff)
 596		return -ENOMEM;
 597
 598	/* ax88179/178A returns 2 bytes from eeprom on read */
 599	for (i = first_word; i <= last_word; i++) {
 600		ret = __ax88179_read_cmd(dev, AX_ACCESS_EEPROM, i, 1, 2,
 601					 &eeprom_buff[i - first_word],
 602					 0);
 603		if (ret < 0) {
 604			kfree(eeprom_buff);
 605			return -EIO;
 606		}
 607	}
 608
 609	memcpy(data, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
 610	kfree(eeprom_buff);
 611	return 0;
 612}
 613
 614static int ax88179_get_link_ksettings(struct net_device *net,
 615				      struct ethtool_link_ksettings *cmd)
 616{
 617	struct usbnet *dev = netdev_priv(net);
 618
 619	mii_ethtool_get_link_ksettings(&dev->mii, cmd);
 620
 621	return 0;
 622}
 623
 624static int ax88179_set_link_ksettings(struct net_device *net,
 625				      const struct ethtool_link_ksettings *cmd)
 626{
 627	struct usbnet *dev = netdev_priv(net);
 628	return mii_ethtool_set_link_ksettings(&dev->mii, cmd);
 629}
 630
 631static int
 632ax88179_ethtool_get_eee(struct usbnet *dev, struct ethtool_eee *data)
 633{
 634	int val;
 635
 636	/* Get Supported EEE */
 637	val = ax88179_phy_read_mmd_indirect(dev, MDIO_PCS_EEE_ABLE,
 638					    MDIO_MMD_PCS);
 639	if (val < 0)
 640		return val;
 641	data->supported = mmd_eee_cap_to_ethtool_sup_t(val);
 642
 643	/* Get advertisement EEE */
 644	val = ax88179_phy_read_mmd_indirect(dev, MDIO_AN_EEE_ADV,
 645					    MDIO_MMD_AN);
 646	if (val < 0)
 647		return val;
 648	data->advertised = mmd_eee_adv_to_ethtool_adv_t(val);
 649
 650	/* Get LP advertisement EEE */
 651	val = ax88179_phy_read_mmd_indirect(dev, MDIO_AN_EEE_LPABLE,
 652					    MDIO_MMD_AN);
 653	if (val < 0)
 654		return val;
 655	data->lp_advertised = mmd_eee_adv_to_ethtool_adv_t(val);
 656
 657	return 0;
 658}
 659
 660static int
 661ax88179_ethtool_set_eee(struct usbnet *dev, struct ethtool_eee *data)
 662{
 663	u16 tmp16 = ethtool_adv_to_mmd_eee_adv_t(data->advertised);
 664
 665	return ax88179_phy_write_mmd_indirect(dev, MDIO_AN_EEE_ADV,
 666					      MDIO_MMD_AN, tmp16);
 667}
 668
 669static int ax88179_chk_eee(struct usbnet *dev)
 670{
 671	struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET };
 672	struct ax88179_data *priv = (struct ax88179_data *)dev->data;
 673
 674	mii_ethtool_gset(&dev->mii, &ecmd);
 675
 676	if (ecmd.duplex & DUPLEX_FULL) {
 677		int eee_lp, eee_cap, eee_adv;
 678		u32 lp, cap, adv, supported = 0;
 679
 680		eee_cap = ax88179_phy_read_mmd_indirect(dev,
 681							MDIO_PCS_EEE_ABLE,
 682							MDIO_MMD_PCS);
 683		if (eee_cap < 0) {
 684			priv->eee_active = 0;
 685			return false;
 686		}
 687
 688		cap = mmd_eee_cap_to_ethtool_sup_t(eee_cap);
 689		if (!cap) {
 690			priv->eee_active = 0;
 691			return false;
 692		}
 693
 694		eee_lp = ax88179_phy_read_mmd_indirect(dev,
 695						       MDIO_AN_EEE_LPABLE,
 696						       MDIO_MMD_AN);
 697		if (eee_lp < 0) {
 698			priv->eee_active = 0;
 699			return false;
 700		}
 701
 702		eee_adv = ax88179_phy_read_mmd_indirect(dev,
 703							MDIO_AN_EEE_ADV,
 704							MDIO_MMD_AN);
 705
 706		if (eee_adv < 0) {
 707			priv->eee_active = 0;
 708			return false;
 709		}
 710
 711		adv = mmd_eee_adv_to_ethtool_adv_t(eee_adv);
 712		lp = mmd_eee_adv_to_ethtool_adv_t(eee_lp);
 713		supported = (ecmd.speed == SPEED_1000) ?
 714			     SUPPORTED_1000baseT_Full :
 715			     SUPPORTED_100baseT_Full;
 716
 717		if (!(lp & adv & supported)) {
 718			priv->eee_active = 0;
 719			return false;
 720		}
 721
 722		priv->eee_active = 1;
 723		return true;
 724	}
 725
 726	priv->eee_active = 0;
 727	return false;
 728}
 729
 730static void ax88179_disable_eee(struct usbnet *dev)
 731{
 732	u16 tmp16;
 733
 734	tmp16 = GMII_PHY_PGSEL_PAGE3;
 735	ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
 736			  GMII_PHY_PAGE_SELECT, 2, &tmp16);
 737
 738	tmp16 = 0x3246;
 739	ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
 740			  MII_PHYADDR, 2, &tmp16);
 741
 742	tmp16 = GMII_PHY_PGSEL_PAGE0;
 743	ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
 744			  GMII_PHY_PAGE_SELECT, 2, &tmp16);
 745}
 746
 747static void ax88179_enable_eee(struct usbnet *dev)
 748{
 749	u16 tmp16;
 750
 751	tmp16 = GMII_PHY_PGSEL_PAGE3;
 752	ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
 753			  GMII_PHY_PAGE_SELECT, 2, &tmp16);
 754
 755	tmp16 = 0x3247;
 756	ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
 757			  MII_PHYADDR, 2, &tmp16);
 758
 759	tmp16 = GMII_PHY_PGSEL_PAGE5;
 760	ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
 761			  GMII_PHY_PAGE_SELECT, 2, &tmp16);
 762
 763	tmp16 = 0x0680;
 764	ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
 765			  MII_BMSR, 2, &tmp16);
 766
 767	tmp16 = GMII_PHY_PGSEL_PAGE0;
 768	ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
 769			  GMII_PHY_PAGE_SELECT, 2, &tmp16);
 770}
 771
 772static int ax88179_get_eee(struct net_device *net, struct ethtool_eee *edata)
 773{
 774	struct usbnet *dev = netdev_priv(net);
 775	struct ax88179_data *priv = (struct ax88179_data *)dev->data;
 776
 777	edata->eee_enabled = priv->eee_enabled;
 778	edata->eee_active = priv->eee_active;
 779
 780	return ax88179_ethtool_get_eee(dev, edata);
 781}
 782
 783static int ax88179_set_eee(struct net_device *net, struct ethtool_eee *edata)
 784{
 785	struct usbnet *dev = netdev_priv(net);
 786	struct ax88179_data *priv = (struct ax88179_data *)dev->data;
 787	int ret = -EOPNOTSUPP;
 788
 789	priv->eee_enabled = edata->eee_enabled;
 790	if (!priv->eee_enabled) {
 791		ax88179_disable_eee(dev);
 792	} else {
 793		priv->eee_enabled = ax88179_chk_eee(dev);
 794		if (!priv->eee_enabled)
 795			return -EOPNOTSUPP;
 796
 797		ax88179_enable_eee(dev);
 798	}
 799
 800	ret = ax88179_ethtool_set_eee(dev, edata);
 801	if (ret)
 802		return ret;
 803
 804	mii_nway_restart(&dev->mii);
 805
 806	usbnet_link_change(dev, 0, 0);
 807
 808	return ret;
 809}
 810
 811static int ax88179_ioctl(struct net_device *net, struct ifreq *rq, int cmd)
 812{
 813	struct usbnet *dev = netdev_priv(net);
 814	return generic_mii_ioctl(&dev->mii, if_mii(rq), cmd, NULL);
 815}
 816
 817static const struct ethtool_ops ax88179_ethtool_ops = {
 818	.get_link		= ethtool_op_get_link,
 819	.get_msglevel		= usbnet_get_msglevel,
 820	.set_msglevel		= usbnet_set_msglevel,
 821	.get_wol		= ax88179_get_wol,
 822	.set_wol		= ax88179_set_wol,
 823	.get_eeprom_len		= ax88179_get_eeprom_len,
 824	.get_eeprom		= ax88179_get_eeprom,
 825	.get_eee		= ax88179_get_eee,
 826	.set_eee		= ax88179_set_eee,
 827	.nway_reset		= usbnet_nway_reset,
 828	.get_link_ksettings	= ax88179_get_link_ksettings,
 829	.set_link_ksettings	= ax88179_set_link_ksettings,
 830};
 831
 832static void ax88179_set_multicast(struct net_device *net)
 833{
 834	struct usbnet *dev = netdev_priv(net);
 835	struct ax88179_data *data = (struct ax88179_data *)dev->data;
 836	u8 *m_filter = ((u8 *)dev->data) + 12;
 837
 838	data->rxctl = (AX_RX_CTL_START | AX_RX_CTL_AB | AX_RX_CTL_IPE);
 839
 840	if (net->flags & IFF_PROMISC) {
 841		data->rxctl |= AX_RX_CTL_PRO;
 842	} else if (net->flags & IFF_ALLMULTI ||
 843		   netdev_mc_count(net) > AX_MAX_MCAST) {
 844		data->rxctl |= AX_RX_CTL_AMALL;
 845	} else if (netdev_mc_empty(net)) {
 846		/* just broadcast and directed */
 847	} else {
 848		/* We use the 20 byte dev->data for our 8 byte filter buffer
 849		 * to avoid allocating memory that is tricky to free later
 850		 */
 851		u32 crc_bits;
 852		struct netdev_hw_addr *ha;
 853
 854		memset(m_filter, 0, AX_MCAST_FLTSIZE);
 855
 856		netdev_for_each_mc_addr(ha, net) {
 857			crc_bits = ether_crc(ETH_ALEN, ha->addr) >> 26;
 858			*(m_filter + (crc_bits >> 3)) |= (1 << (crc_bits & 7));
 859		}
 860
 861		ax88179_write_cmd_async(dev, AX_ACCESS_MAC, AX_MULFLTARY,
 862					AX_MCAST_FLTSIZE, AX_MCAST_FLTSIZE,
 863					m_filter);
 864
 865		data->rxctl |= AX_RX_CTL_AM;
 866	}
 867
 868	ax88179_write_cmd_async(dev, AX_ACCESS_MAC, AX_RX_CTL,
 869				2, 2, &data->rxctl);
 870}
 871
 872static int
 873ax88179_set_features(struct net_device *net, netdev_features_t features)
 874{
 875	u8 tmp;
 876	struct usbnet *dev = netdev_priv(net);
 877	netdev_features_t changed = net->features ^ features;
 878
 879	if (changed & NETIF_F_IP_CSUM) {
 880		ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_TXCOE_CTL, 1, 1, &tmp);
 881		tmp ^= AX_TXCOE_TCP | AX_TXCOE_UDP;
 882		ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_TXCOE_CTL, 1, 1, &tmp);
 883	}
 884
 885	if (changed & NETIF_F_IPV6_CSUM) {
 886		ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_TXCOE_CTL, 1, 1, &tmp);
 887		tmp ^= AX_TXCOE_TCPV6 | AX_TXCOE_UDPV6;
 888		ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_TXCOE_CTL, 1, 1, &tmp);
 889	}
 890
 891	if (changed & NETIF_F_RXCSUM) {
 892		ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_RXCOE_CTL, 1, 1, &tmp);
 893		tmp ^= AX_RXCOE_IP | AX_RXCOE_TCP | AX_RXCOE_UDP |
 894		       AX_RXCOE_TCPV6 | AX_RXCOE_UDPV6;
 895		ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RXCOE_CTL, 1, 1, &tmp);
 896	}
 897
 898	return 0;
 899}
 900
 901static int ax88179_change_mtu(struct net_device *net, int new_mtu)
 902{
 903	struct usbnet *dev = netdev_priv(net);
 904	u16 tmp16;
 905
 906	net->mtu = new_mtu;
 907	dev->hard_mtu = net->mtu + net->hard_header_len;
 908
 909	if (net->mtu > 1500) {
 910		ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
 911				 2, 2, &tmp16);
 912		tmp16 |= AX_MEDIUM_JUMBO_EN;
 913		ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
 914				  2, 2, &tmp16);
 915	} else {
 916		ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
 917				 2, 2, &tmp16);
 918		tmp16 &= ~AX_MEDIUM_JUMBO_EN;
 919		ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
 920				  2, 2, &tmp16);
 921	}
 922
 923	/* max qlen depend on hard_mtu and rx_urb_size */
 924	usbnet_update_max_qlen(dev);
 925
 926	return 0;
 927}
 928
 929static int ax88179_set_mac_addr(struct net_device *net, void *p)
 930{
 931	struct usbnet *dev = netdev_priv(net);
 932	struct sockaddr *addr = p;
 933	int ret;
 934
 935	if (netif_running(net))
 936		return -EBUSY;
 937	if (!is_valid_ether_addr(addr->sa_data))
 938		return -EADDRNOTAVAIL;
 939
 940	memcpy(net->dev_addr, addr->sa_data, ETH_ALEN);
 941
 942	/* Set the MAC address */
 943	ret = ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_NODE_ID, ETH_ALEN,
 944				 ETH_ALEN, net->dev_addr);
 945	if (ret < 0)
 946		return ret;
 947
 948	return 0;
 949}
 950
 951static const struct net_device_ops ax88179_netdev_ops = {
 952	.ndo_open		= usbnet_open,
 953	.ndo_stop		= usbnet_stop,
 954	.ndo_start_xmit		= usbnet_start_xmit,
 955	.ndo_tx_timeout		= usbnet_tx_timeout,
 956	.ndo_get_stats64	= usbnet_get_stats64,
 957	.ndo_change_mtu		= ax88179_change_mtu,
 958	.ndo_set_mac_address	= ax88179_set_mac_addr,
 959	.ndo_validate_addr	= eth_validate_addr,
 960	.ndo_do_ioctl		= ax88179_ioctl,
 961	.ndo_set_rx_mode	= ax88179_set_multicast,
 962	.ndo_set_features	= ax88179_set_features,
 963};
 964
 965static int ax88179_check_eeprom(struct usbnet *dev)
 966{
 967	u8 i, buf, eeprom[20];
 968	u16 csum, delay = HZ / 10;
 969	unsigned long jtimeout;
 970
 971	/* Read EEPROM content */
 972	for (i = 0; i < 6; i++) {
 973		buf = i;
 974		if (ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_SROM_ADDR,
 975				      1, 1, &buf) < 0)
 976			return -EINVAL;
 977
 978		buf = EEP_RD;
 979		if (ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_SROM_CMD,
 980				      1, 1, &buf) < 0)
 981			return -EINVAL;
 982
 983		jtimeout = jiffies + delay;
 984		do {
 985			ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_SROM_CMD,
 986					 1, 1, &buf);
 987
 988			if (time_after(jiffies, jtimeout))
 989				return -EINVAL;
 990
 991		} while (buf & EEP_BUSY);
 992
 993		__ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_SROM_DATA_LOW,
 994				   2, 2, &eeprom[i * 2], 0);
 995
 996		if ((i == 0) && (eeprom[0] == 0xFF))
 997			return -EINVAL;
 998	}
 999
1000	csum = eeprom[6] + eeprom[7] + eeprom[8] + eeprom[9];
1001	csum = (csum >> 8) + (csum & 0xff);
1002	if ((csum + eeprom[10]) != 0xff)
1003		return -EINVAL;
1004
1005	return 0;
1006}
1007
1008static int ax88179_check_efuse(struct usbnet *dev, u16 *ledmode)
1009{
1010	u8	i;
1011	u8	efuse[64];
1012	u16	csum = 0;
1013
1014	if (ax88179_read_cmd(dev, AX_ACCESS_EFUS, 0, 64, 64, efuse) < 0)
1015		return -EINVAL;
1016
1017	if (*efuse == 0xFF)
1018		return -EINVAL;
1019
1020	for (i = 0; i < 64; i++)
1021		csum = csum + efuse[i];
1022
1023	while (csum > 255)
1024		csum = (csum & 0x00FF) + ((csum >> 8) & 0x00FF);
1025
1026	if (csum != 0xFF)
1027		return -EINVAL;
1028
1029	*ledmode = (efuse[51] << 8) | efuse[52];
1030
1031	return 0;
1032}
1033
1034static int ax88179_convert_old_led(struct usbnet *dev, u16 *ledvalue)
1035{
1036	u16 led;
1037
1038	/* Loaded the old eFuse LED Mode */
1039	if (ax88179_read_cmd(dev, AX_ACCESS_EEPROM, 0x3C, 1, 2, &led) < 0)
1040		return -EINVAL;
1041
1042	led >>= 8;
1043	switch (led) {
1044	case 0xFF:
1045		led = LED0_ACTIVE | LED1_LINK_10 | LED1_LINK_100 |
1046		      LED1_LINK_1000 | LED2_ACTIVE | LED2_LINK_10 |
1047		      LED2_LINK_100 | LED2_LINK_1000 | LED_VALID;
1048		break;
1049	case 0xFE:
1050		led = LED0_ACTIVE | LED1_LINK_1000 | LED2_LINK_100 | LED_VALID;
1051		break;
1052	case 0xFD:
1053		led = LED0_ACTIVE | LED1_LINK_1000 | LED2_LINK_100 |
1054		      LED2_LINK_10 | LED_VALID;
1055		break;
1056	case 0xFC:
1057		led = LED0_ACTIVE | LED1_ACTIVE | LED1_LINK_1000 | LED2_ACTIVE |
1058		      LED2_LINK_100 | LED2_LINK_10 | LED_VALID;
1059		break;
1060	default:
1061		led = LED0_ACTIVE | LED1_LINK_10 | LED1_LINK_100 |
1062		      LED1_LINK_1000 | LED2_ACTIVE | LED2_LINK_10 |
1063		      LED2_LINK_100 | LED2_LINK_1000 | LED_VALID;
1064		break;
1065	}
1066
1067	*ledvalue = led;
1068
1069	return 0;
1070}
1071
1072static int ax88179_led_setting(struct usbnet *dev)
1073{
1074	u8 ledfd, value = 0;
1075	u16 tmp, ledact, ledlink, ledvalue = 0, delay = HZ / 10;
1076	unsigned long jtimeout;
1077
1078	/* Check AX88179 version. UA1 or UA2*/
1079	ax88179_read_cmd(dev, AX_ACCESS_MAC, GENERAL_STATUS, 1, 1, &value);
1080
1081	if (!(value & AX_SECLD)) {	/* UA1 */
1082		value = AX_GPIO_CTRL_GPIO3EN | AX_GPIO_CTRL_GPIO2EN |
1083			AX_GPIO_CTRL_GPIO1EN;
1084		if (ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_GPIO_CTRL,
1085				      1, 1, &value) < 0)
1086			return -EINVAL;
1087	}
1088
1089	/* Check EEPROM */
1090	if (!ax88179_check_eeprom(dev)) {
1091		value = 0x42;
1092		if (ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_SROM_ADDR,
1093				      1, 1, &value) < 0)
1094			return -EINVAL;
1095
1096		value = EEP_RD;
1097		if (ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_SROM_CMD,
1098				      1, 1, &value) < 0)
1099			return -EINVAL;
1100
1101		jtimeout = jiffies + delay;
1102		do {
1103			ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_SROM_CMD,
1104					 1, 1, &value);
1105
1106			if (time_after(jiffies, jtimeout))
1107				return -EINVAL;
1108
1109		} while (value & EEP_BUSY);
1110
1111		ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_SROM_DATA_HIGH,
1112				 1, 1, &value);
1113		ledvalue = (value << 8);
1114
1115		ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_SROM_DATA_LOW,
1116				 1, 1, &value);
1117		ledvalue |= value;
1118
1119		/* load internal ROM for defaule setting */
1120		if ((ledvalue == 0xFFFF) || ((ledvalue & LED_VALID) == 0))
1121			ax88179_convert_old_led(dev, &ledvalue);
1122
1123	} else if (!ax88179_check_efuse(dev, &ledvalue)) {
1124		if ((ledvalue == 0xFFFF) || ((ledvalue & LED_VALID) == 0))
1125			ax88179_convert_old_led(dev, &ledvalue);
1126	} else {
1127		ax88179_convert_old_led(dev, &ledvalue);
1128	}
1129
1130	tmp = GMII_PHY_PGSEL_EXT;
1131	ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1132			  GMII_PHY_PAGE_SELECT, 2, &tmp);
1133
1134	tmp = 0x2c;
1135	ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1136			  GMII_PHYPAGE, 2, &tmp);
1137
1138	ax88179_read_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1139			 GMII_LED_ACT, 2, &ledact);
1140
1141	ax88179_read_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1142			 GMII_LED_LINK, 2, &ledlink);
1143
1144	ledact &= GMII_LED_ACTIVE_MASK;
1145	ledlink &= GMII_LED_LINK_MASK;
1146
1147	if (ledvalue & LED0_ACTIVE)
1148		ledact |= GMII_LED0_ACTIVE;
1149
1150	if (ledvalue & LED1_ACTIVE)
1151		ledact |= GMII_LED1_ACTIVE;
1152
1153	if (ledvalue & LED2_ACTIVE)
1154		ledact |= GMII_LED2_ACTIVE;
1155
1156	if (ledvalue & LED0_LINK_10)
1157		ledlink |= GMII_LED0_LINK_10;
1158
1159	if (ledvalue & LED1_LINK_10)
1160		ledlink |= GMII_LED1_LINK_10;
1161
1162	if (ledvalue & LED2_LINK_10)
1163		ledlink |= GMII_LED2_LINK_10;
1164
1165	if (ledvalue & LED0_LINK_100)
1166		ledlink |= GMII_LED0_LINK_100;
1167
1168	if (ledvalue & LED1_LINK_100)
1169		ledlink |= GMII_LED1_LINK_100;
1170
1171	if (ledvalue & LED2_LINK_100)
1172		ledlink |= GMII_LED2_LINK_100;
1173
1174	if (ledvalue & LED0_LINK_1000)
1175		ledlink |= GMII_LED0_LINK_1000;
1176
1177	if (ledvalue & LED1_LINK_1000)
1178		ledlink |= GMII_LED1_LINK_1000;
1179
1180	if (ledvalue & LED2_LINK_1000)
1181		ledlink |= GMII_LED2_LINK_1000;
1182
1183	tmp = ledact;
1184	ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1185			  GMII_LED_ACT, 2, &tmp);
1186
1187	tmp = ledlink;
1188	ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1189			  GMII_LED_LINK, 2, &tmp);
1190
1191	tmp = GMII_PHY_PGSEL_PAGE0;
1192	ax88179_write_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1193			  GMII_PHY_PAGE_SELECT, 2, &tmp);
1194
1195	/* LED full duplex setting */
1196	ledfd = 0;
1197	if (ledvalue & LED0_FD)
1198		ledfd |= 0x01;
1199	else if ((ledvalue & LED0_USB3_MASK) == 0)
1200		ledfd |= 0x02;
1201
1202	if (ledvalue & LED1_FD)
1203		ledfd |= 0x04;
1204	else if ((ledvalue & LED1_USB3_MASK) == 0)
1205		ledfd |= 0x08;
1206
1207	if (ledvalue & LED2_FD)
1208		ledfd |= 0x10;
1209	else if ((ledvalue & LED2_USB3_MASK) == 0)
1210		ledfd |= 0x20;
1211
1212	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_LEDCTRL, 1, 1, &ledfd);
1213
1214	return 0;
1215}
1216
1217static int ax88179_bind(struct usbnet *dev, struct usb_interface *intf)
1218{
1219	u8 buf[5];
1220	u16 *tmp16;
1221	u8 *tmp;
1222	struct ax88179_data *ax179_data = (struct ax88179_data *)dev->data;
1223	struct ethtool_eee eee_data;
1224
1225	usbnet_get_endpoints(dev, intf);
1226
1227	tmp16 = (u16 *)buf;
1228	tmp = (u8 *)buf;
1229
1230	memset(ax179_data, 0, sizeof(*ax179_data));
1231
1232	/* Power up ethernet PHY */
1233	*tmp16 = 0;
1234	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, tmp16);
1235	*tmp16 = AX_PHYPWR_RSTCTL_IPRL;
1236	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, tmp16);
1237	msleep(200);
1238
1239	*tmp = AX_CLK_SELECT_ACS | AX_CLK_SELECT_BCS;
1240	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, tmp);
1241	msleep(100);
1242
1243	ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_NODE_ID, ETH_ALEN,
1244			 ETH_ALEN, dev->net->dev_addr);
1245	memcpy(dev->net->perm_addr, dev->net->dev_addr, ETH_ALEN);
1246
1247	/* RX bulk configuration */
1248	memcpy(tmp, &AX88179_BULKIN_SIZE[0], 5);
1249	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_BULKIN_QCTRL, 5, 5, tmp);
1250
1251	dev->rx_urb_size = 1024 * 20;
1252
1253	*tmp = 0x34;
1254	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PAUSE_WATERLVL_LOW, 1, 1, tmp);
1255
1256	*tmp = 0x52;
1257	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PAUSE_WATERLVL_HIGH,
1258			  1, 1, tmp);
1259
1260	dev->net->netdev_ops = &ax88179_netdev_ops;
1261	dev->net->ethtool_ops = &ax88179_ethtool_ops;
1262	dev->net->needed_headroom = 8;
1263	dev->net->max_mtu = 4088;
1264
1265	/* Initialize MII structure */
1266	dev->mii.dev = dev->net;
1267	dev->mii.mdio_read = ax88179_mdio_read;
1268	dev->mii.mdio_write = ax88179_mdio_write;
1269	dev->mii.phy_id_mask = 0xff;
1270	dev->mii.reg_num_mask = 0xff;
1271	dev->mii.phy_id = 0x03;
1272	dev->mii.supports_gmii = 1;
1273
1274	dev->net->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
1275			      NETIF_F_RXCSUM;
1276
1277	dev->net->hw_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
1278				 NETIF_F_RXCSUM;
1279
1280	/* Enable checksum offload */
1281	*tmp = AX_RXCOE_IP | AX_RXCOE_TCP | AX_RXCOE_UDP |
1282	       AX_RXCOE_TCPV6 | AX_RXCOE_UDPV6;
1283	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RXCOE_CTL, 1, 1, tmp);
1284
1285	*tmp = AX_TXCOE_IP | AX_TXCOE_TCP | AX_TXCOE_UDP |
1286	       AX_TXCOE_TCPV6 | AX_TXCOE_UDPV6;
1287	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_TXCOE_CTL, 1, 1, tmp);
1288
1289	/* Configure RX control register => start operation */
1290	*tmp16 = AX_RX_CTL_DROPCRCERR | AX_RX_CTL_IPE | AX_RX_CTL_START |
1291		 AX_RX_CTL_AP | AX_RX_CTL_AMALL | AX_RX_CTL_AB;
1292	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2, tmp16);
1293
1294	*tmp = AX_MONITOR_MODE_PMETYPE | AX_MONITOR_MODE_PMEPOL |
1295	       AX_MONITOR_MODE_RWMP;
1296	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MONITOR_MOD, 1, 1, tmp);
1297
1298	/* Configure default medium type => giga */
1299	*tmp16 = AX_MEDIUM_RECEIVE_EN | AX_MEDIUM_TXFLOW_CTRLEN |
1300		 AX_MEDIUM_RXFLOW_CTRLEN | AX_MEDIUM_FULL_DUPLEX |
1301		 AX_MEDIUM_GIGAMODE;
1302	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
1303			  2, 2, tmp16);
1304
1305	ax88179_led_setting(dev);
1306
1307	ax179_data->eee_enabled = 0;
1308	ax179_data->eee_active = 0;
1309
1310	ax88179_disable_eee(dev);
1311
1312	ax88179_ethtool_get_eee(dev, &eee_data);
1313	eee_data.advertised = 0;
1314	ax88179_ethtool_set_eee(dev, &eee_data);
1315
1316	/* Restart autoneg */
1317	mii_nway_restart(&dev->mii);
1318
1319	usbnet_link_change(dev, 0, 0);
1320
1321	return 0;
1322}
1323
1324static void ax88179_unbind(struct usbnet *dev, struct usb_interface *intf)
1325{
1326	u16 tmp16;
1327
1328	/* Configure RX control register => stop operation */
1329	tmp16 = AX_RX_CTL_STOP;
1330	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2, &tmp16);
1331
1332	tmp16 = 0;
1333	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, &tmp16);
1334
1335	/* Power down ethernet PHY */
1336	tmp16 = 0;
1337	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, &tmp16);
1338}
1339
1340static void
1341ax88179_rx_checksum(struct sk_buff *skb, u32 *pkt_hdr)
1342{
1343	skb->ip_summed = CHECKSUM_NONE;
1344
1345	/* checksum error bit is set */
1346	if ((*pkt_hdr & AX_RXHDR_L3CSUM_ERR) ||
1347	    (*pkt_hdr & AX_RXHDR_L4CSUM_ERR))
1348		return;
1349
1350	/* It must be a TCP or UDP packet with a valid checksum */
1351	if (((*pkt_hdr & AX_RXHDR_L4_TYPE_MASK) == AX_RXHDR_L4_TYPE_TCP) ||
1352	    ((*pkt_hdr & AX_RXHDR_L4_TYPE_MASK) == AX_RXHDR_L4_TYPE_UDP))
1353		skb->ip_summed = CHECKSUM_UNNECESSARY;
1354}
1355
1356static int ax88179_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
1357{
1358	struct sk_buff *ax_skb;
1359	int pkt_cnt;
1360	u32 rx_hdr;
1361	u16 hdr_off;
1362	u32 *pkt_hdr;
1363
1364	/* This check is no longer done by usbnet */
1365	if (skb->len < dev->net->hard_header_len)
1366		return 0;
1367
1368	skb_trim(skb, skb->len - 4);
1369	rx_hdr = get_unaligned_le32(skb_tail_pointer(skb));
 
1370
1371	pkt_cnt = (u16)rx_hdr;
1372	hdr_off = (u16)(rx_hdr >> 16);
1373	pkt_hdr = (u32 *)(skb->data + hdr_off);
1374
1375	while (pkt_cnt--) {
1376		u16 pkt_len;
1377
1378		le32_to_cpus(pkt_hdr);
1379		pkt_len = (*pkt_hdr >> 16) & 0x1fff;
1380
1381		/* Check CRC or runt packet */
1382		if ((*pkt_hdr & AX_RXHDR_CRC_ERR) ||
1383		    (*pkt_hdr & AX_RXHDR_DROP_ERR)) {
1384			skb_pull(skb, (pkt_len + 7) & 0xFFF8);
1385			pkt_hdr++;
1386			continue;
1387		}
1388
1389		if (pkt_cnt == 0) {
1390			/* Skip IP alignment psudo header */
1391			skb_pull(skb, 2);
1392			skb->len = pkt_len;
1393			skb_set_tail_pointer(skb, pkt_len);
1394			skb->truesize = pkt_len + sizeof(struct sk_buff);
1395			ax88179_rx_checksum(skb, pkt_hdr);
1396			return 1;
1397		}
1398
1399		ax_skb = skb_clone(skb, GFP_ATOMIC);
1400		if (ax_skb) {
1401			ax_skb->len = pkt_len;
1402			ax_skb->data = skb->data + 2;
1403			skb_set_tail_pointer(ax_skb, pkt_len);
1404			ax_skb->truesize = pkt_len + sizeof(struct sk_buff);
1405			ax88179_rx_checksum(ax_skb, pkt_hdr);
1406			usbnet_skb_return(dev, ax_skb);
1407		} else {
1408			return 0;
1409		}
1410
1411		skb_pull(skb, (pkt_len + 7) & 0xFFF8);
1412		pkt_hdr++;
1413	}
1414	return 1;
1415}
1416
1417static struct sk_buff *
1418ax88179_tx_fixup(struct usbnet *dev, struct sk_buff *skb, gfp_t flags)
1419{
1420	u32 tx_hdr1, tx_hdr2;
1421	int frame_size = dev->maxpacket;
1422	int mss = skb_shinfo(skb)->gso_size;
1423	int headroom;
1424	void *ptr;
1425
1426	tx_hdr1 = skb->len;
1427	tx_hdr2 = mss;
1428	if (((skb->len + 8) % frame_size) == 0)
1429		tx_hdr2 |= 0x80008000;	/* Enable padding */
1430
1431	headroom = skb_headroom(skb) - 8;
1432
1433	if ((skb_header_cloned(skb) || headroom < 0) &&
1434	    pskb_expand_head(skb, headroom < 0 ? 8 : 0, 0, GFP_ATOMIC)) {
1435		dev_kfree_skb_any(skb);
1436		return NULL;
1437	}
1438
1439	ptr = skb_push(skb, 8);
1440	put_unaligned_le32(tx_hdr1, ptr);
1441	put_unaligned_le32(tx_hdr2, ptr + 4);
 
 
 
 
1442
1443	return skb;
1444}
1445
1446static int ax88179_link_reset(struct usbnet *dev)
1447{
1448	struct ax88179_data *ax179_data = (struct ax88179_data *)dev->data;
1449	u8 tmp[5], link_sts;
1450	u16 mode, tmp16, delay = HZ / 10;
1451	u32 tmp32 = 0x40000000;
1452	unsigned long jtimeout;
1453
1454	jtimeout = jiffies + delay;
1455	while (tmp32 & 0x40000000) {
1456		mode = 0;
1457		ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2, &mode);
1458		ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2,
1459				  &ax179_data->rxctl);
1460
1461		/*link up, check the usb device control TX FIFO full or empty*/
1462		ax88179_read_cmd(dev, 0x81, 0x8c, 0, 4, &tmp32);
1463
1464		if (time_after(jiffies, jtimeout))
1465			return 0;
1466	}
1467
1468	mode = AX_MEDIUM_RECEIVE_EN | AX_MEDIUM_TXFLOW_CTRLEN |
1469	       AX_MEDIUM_RXFLOW_CTRLEN;
1470
1471	ax88179_read_cmd(dev, AX_ACCESS_MAC, PHYSICAL_LINK_STATUS,
1472			 1, 1, &link_sts);
1473
1474	ax88179_read_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
1475			 GMII_PHY_PHYSR, 2, &tmp16);
1476
1477	if (!(tmp16 & GMII_PHY_PHYSR_LINK)) {
1478		return 0;
1479	} else if (GMII_PHY_PHYSR_GIGA == (tmp16 & GMII_PHY_PHYSR_SMASK)) {
1480		mode |= AX_MEDIUM_GIGAMODE | AX_MEDIUM_EN_125MHZ;
1481		if (dev->net->mtu > 1500)
1482			mode |= AX_MEDIUM_JUMBO_EN;
1483
1484		if (link_sts & AX_USB_SS)
1485			memcpy(tmp, &AX88179_BULKIN_SIZE[0], 5);
1486		else if (link_sts & AX_USB_HS)
1487			memcpy(tmp, &AX88179_BULKIN_SIZE[1], 5);
1488		else
1489			memcpy(tmp, &AX88179_BULKIN_SIZE[3], 5);
1490	} else if (GMII_PHY_PHYSR_100 == (tmp16 & GMII_PHY_PHYSR_SMASK)) {
1491		mode |= AX_MEDIUM_PS;
1492
1493		if (link_sts & (AX_USB_SS | AX_USB_HS))
1494			memcpy(tmp, &AX88179_BULKIN_SIZE[2], 5);
1495		else
1496			memcpy(tmp, &AX88179_BULKIN_SIZE[3], 5);
1497	} else {
1498		memcpy(tmp, &AX88179_BULKIN_SIZE[3], 5);
1499	}
1500
1501	/* RX bulk configuration */
1502	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_BULKIN_QCTRL, 5, 5, tmp);
1503
1504	dev->rx_urb_size = (1024 * (tmp[3] + 2));
1505
1506	if (tmp16 & GMII_PHY_PHYSR_FULL)
1507		mode |= AX_MEDIUM_FULL_DUPLEX;
1508	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
1509			  2, 2, &mode);
1510
1511	ax179_data->eee_enabled = ax88179_chk_eee(dev);
1512
1513	netif_carrier_on(dev->net);
1514
1515	return 0;
1516}
1517
1518static int ax88179_reset(struct usbnet *dev)
1519{
1520	u8 buf[5];
1521	u16 *tmp16;
1522	u8 *tmp;
1523	struct ax88179_data *ax179_data = (struct ax88179_data *)dev->data;
1524	struct ethtool_eee eee_data;
1525
1526	tmp16 = (u16 *)buf;
1527	tmp = (u8 *)buf;
1528
1529	/* Power up ethernet PHY */
1530	*tmp16 = 0;
1531	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, tmp16);
1532
1533	*tmp16 = AX_PHYPWR_RSTCTL_IPRL;
1534	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PHYPWR_RSTCTL, 2, 2, tmp16);
1535	msleep(200);
1536
1537	*tmp = AX_CLK_SELECT_ACS | AX_CLK_SELECT_BCS;
1538	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, tmp);
1539	msleep(100);
1540
1541	/* Ethernet PHY Auto Detach*/
1542	ax88179_auto_detach(dev, 0);
1543
1544	ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_NODE_ID, ETH_ALEN, ETH_ALEN,
1545			 dev->net->dev_addr);
1546
1547	/* RX bulk configuration */
1548	memcpy(tmp, &AX88179_BULKIN_SIZE[0], 5);
1549	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_BULKIN_QCTRL, 5, 5, tmp);
1550
1551	dev->rx_urb_size = 1024 * 20;
1552
1553	*tmp = 0x34;
1554	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PAUSE_WATERLVL_LOW, 1, 1, tmp);
1555
1556	*tmp = 0x52;
1557	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PAUSE_WATERLVL_HIGH,
1558			  1, 1, tmp);
1559
1560	dev->net->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
1561			      NETIF_F_RXCSUM;
1562
1563	dev->net->hw_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
1564				 NETIF_F_RXCSUM;
1565
1566	/* Enable checksum offload */
1567	*tmp = AX_RXCOE_IP | AX_RXCOE_TCP | AX_RXCOE_UDP |
1568	       AX_RXCOE_TCPV6 | AX_RXCOE_UDPV6;
1569	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RXCOE_CTL, 1, 1, tmp);
1570
1571	*tmp = AX_TXCOE_IP | AX_TXCOE_TCP | AX_TXCOE_UDP |
1572	       AX_TXCOE_TCPV6 | AX_TXCOE_UDPV6;
1573	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_TXCOE_CTL, 1, 1, tmp);
1574
1575	/* Configure RX control register => start operation */
1576	*tmp16 = AX_RX_CTL_DROPCRCERR | AX_RX_CTL_IPE | AX_RX_CTL_START |
1577		 AX_RX_CTL_AP | AX_RX_CTL_AMALL | AX_RX_CTL_AB;
1578	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2, tmp16);
1579
1580	*tmp = AX_MONITOR_MODE_PMETYPE | AX_MONITOR_MODE_PMEPOL |
1581	       AX_MONITOR_MODE_RWMP;
1582	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MONITOR_MOD, 1, 1, tmp);
1583
1584	/* Configure default medium type => giga */
1585	*tmp16 = AX_MEDIUM_RECEIVE_EN | AX_MEDIUM_TXFLOW_CTRLEN |
1586		 AX_MEDIUM_RXFLOW_CTRLEN | AX_MEDIUM_FULL_DUPLEX |
1587		 AX_MEDIUM_GIGAMODE;
1588	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
1589			  2, 2, tmp16);
1590
1591	ax88179_led_setting(dev);
1592
1593	ax179_data->eee_enabled = 0;
1594	ax179_data->eee_active = 0;
1595
1596	ax88179_disable_eee(dev);
1597
1598	ax88179_ethtool_get_eee(dev, &eee_data);
1599	eee_data.advertised = 0;
1600	ax88179_ethtool_set_eee(dev, &eee_data);
1601
1602	/* Restart autoneg */
1603	mii_nway_restart(&dev->mii);
1604
1605	usbnet_link_change(dev, 0, 0);
1606
1607	return 0;
1608}
1609
1610static int ax88179_stop(struct usbnet *dev)
1611{
1612	u16 tmp16;
1613
1614	ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
1615			 2, 2, &tmp16);
1616	tmp16 &= ~AX_MEDIUM_RECEIVE_EN;
1617	ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
1618			  2, 2, &tmp16);
1619
1620	return 0;
1621}
1622
1623static const struct driver_info ax88179_info = {
1624	.description = "ASIX AX88179 USB 3.0 Gigabit Ethernet",
1625	.bind = ax88179_bind,
1626	.unbind = ax88179_unbind,
1627	.status = ax88179_status,
1628	.link_reset = ax88179_link_reset,
1629	.reset = ax88179_reset,
1630	.stop = ax88179_stop,
1631	.flags = FLAG_ETHER | FLAG_FRAMING_AX,
1632	.rx_fixup = ax88179_rx_fixup,
1633	.tx_fixup = ax88179_tx_fixup,
1634};
1635
1636static const struct driver_info ax88178a_info = {
1637	.description = "ASIX AX88178A USB 2.0 Gigabit Ethernet",
1638	.bind = ax88179_bind,
1639	.unbind = ax88179_unbind,
1640	.status = ax88179_status,
1641	.link_reset = ax88179_link_reset,
1642	.reset = ax88179_reset,
1643	.stop = ax88179_stop,
1644	.flags = FLAG_ETHER | FLAG_FRAMING_AX,
1645	.rx_fixup = ax88179_rx_fixup,
1646	.tx_fixup = ax88179_tx_fixup,
1647};
1648
1649static const struct driver_info cypress_GX3_info = {
1650	.description = "Cypress GX3 SuperSpeed to Gigabit Ethernet Controller",
1651	.bind = ax88179_bind,
1652	.unbind = ax88179_unbind,
1653	.status = ax88179_status,
1654	.link_reset = ax88179_link_reset,
1655	.reset = ax88179_reset,
1656	.stop = ax88179_stop,
1657	.flags = FLAG_ETHER | FLAG_FRAMING_AX,
1658	.rx_fixup = ax88179_rx_fixup,
1659	.tx_fixup = ax88179_tx_fixup,
1660};
1661
1662static const struct driver_info dlink_dub1312_info = {
1663	.description = "D-Link DUB-1312 USB 3.0 to Gigabit Ethernet Adapter",
1664	.bind = ax88179_bind,
1665	.unbind = ax88179_unbind,
1666	.status = ax88179_status,
1667	.link_reset = ax88179_link_reset,
1668	.reset = ax88179_reset,
1669	.stop = ax88179_stop,
1670	.flags = FLAG_ETHER | FLAG_FRAMING_AX,
1671	.rx_fixup = ax88179_rx_fixup,
1672	.tx_fixup = ax88179_tx_fixup,
1673};
1674
1675static const struct driver_info sitecom_info = {
1676	.description = "Sitecom USB 3.0 to Gigabit Adapter",
1677	.bind = ax88179_bind,
1678	.unbind = ax88179_unbind,
1679	.status = ax88179_status,
1680	.link_reset = ax88179_link_reset,
1681	.reset = ax88179_reset,
1682	.stop = ax88179_stop,
1683	.flags = FLAG_ETHER | FLAG_FRAMING_AX,
1684	.rx_fixup = ax88179_rx_fixup,
1685	.tx_fixup = ax88179_tx_fixup,
1686};
1687
1688static const struct driver_info samsung_info = {
1689	.description = "Samsung USB Ethernet Adapter",
1690	.bind = ax88179_bind,
1691	.unbind = ax88179_unbind,
1692	.status = ax88179_status,
1693	.link_reset = ax88179_link_reset,
1694	.reset = ax88179_reset,
1695	.stop = ax88179_stop,
1696	.flags = FLAG_ETHER | FLAG_FRAMING_AX,
1697	.rx_fixup = ax88179_rx_fixup,
1698	.tx_fixup = ax88179_tx_fixup,
1699};
1700
1701static const struct driver_info lenovo_info = {
1702	.description = "Lenovo OneLinkDock Gigabit LAN",
1703	.bind = ax88179_bind,
1704	.unbind = ax88179_unbind,
1705	.status = ax88179_status,
1706	.link_reset = ax88179_link_reset,
1707	.reset = ax88179_reset,
1708	.stop = ax88179_stop,
1709	.flags = FLAG_ETHER | FLAG_FRAMING_AX,
1710	.rx_fixup = ax88179_rx_fixup,
1711	.tx_fixup = ax88179_tx_fixup,
1712};
1713
1714static const struct driver_info belkin_info = {
1715	.description = "Belkin USB Ethernet Adapter",
1716	.bind	= ax88179_bind,
1717	.unbind = ax88179_unbind,
1718	.status = ax88179_status,
1719	.link_reset = ax88179_link_reset,
1720	.reset	= ax88179_reset,
1721	.flags	= FLAG_ETHER | FLAG_FRAMING_AX,
1722	.rx_fixup = ax88179_rx_fixup,
1723	.tx_fixup = ax88179_tx_fixup,
1724};
1725
1726static const struct usb_device_id products[] = {
1727{
1728	/* ASIX AX88179 10/100/1000 */
1729	USB_DEVICE(0x0b95, 0x1790),
1730	.driver_info = (unsigned long)&ax88179_info,
1731}, {
1732	/* ASIX AX88178A 10/100/1000 */
1733	USB_DEVICE(0x0b95, 0x178a),
1734	.driver_info = (unsigned long)&ax88178a_info,
1735}, {
1736	/* Cypress GX3 SuperSpeed to Gigabit Ethernet Bridge Controller */
1737	USB_DEVICE(0x04b4, 0x3610),
1738	.driver_info = (unsigned long)&cypress_GX3_info,
1739}, {
1740	/* D-Link DUB-1312 USB 3.0 to Gigabit Ethernet Adapter */
1741	USB_DEVICE(0x2001, 0x4a00),
1742	.driver_info = (unsigned long)&dlink_dub1312_info,
1743}, {
1744	/* Sitecom USB 3.0 to Gigabit Adapter */
1745	USB_DEVICE(0x0df6, 0x0072),
1746	.driver_info = (unsigned long)&sitecom_info,
1747}, {
1748	/* Samsung USB Ethernet Adapter */
1749	USB_DEVICE(0x04e8, 0xa100),
1750	.driver_info = (unsigned long)&samsung_info,
1751}, {
1752	/* Lenovo OneLinkDock Gigabit LAN */
1753	USB_DEVICE(0x17ef, 0x304b),
1754	.driver_info = (unsigned long)&lenovo_info,
1755}, {
1756	/* Belkin B2B128 USB 3.0 Hub + Gigabit Ethernet Adapter */
1757	USB_DEVICE(0x050d, 0x0128),
1758	.driver_info = (unsigned long)&belkin_info,
1759},
1760	{ },
1761};
1762MODULE_DEVICE_TABLE(usb, products);
1763
1764static struct usb_driver ax88179_178a_driver = {
1765	.name =		"ax88179_178a",
1766	.id_table =	products,
1767	.probe =	usbnet_probe,
1768	.suspend =	ax88179_suspend,
1769	.resume =	ax88179_resume,
1770	.reset_resume =	ax88179_resume,
1771	.disconnect =	usbnet_disconnect,
1772	.supports_autosuspend = 1,
1773	.disable_hub_initiated_lpm = 1,
1774};
1775
1776module_usb_driver(ax88179_178a_driver);
1777
1778MODULE_DESCRIPTION("ASIX AX88179/178A based USB 3.0/2.0 Gigabit Ethernet Devices");
1779MODULE_LICENSE("GPL");