1// SPDX-License-Identifier: GPL-2.0
   2/* Intel PRO/1000 Linux driver
   3 * Copyright(c) 1999 - 2015 Intel Corporation.
   4 *
   5 * This program is free software; you can redistribute it and/or modify it
   6 * under the terms and conditions of the GNU General Public License,
   7 * version 2, as published by the Free Software Foundation.
   8 *
   9 * This program is distributed in the hope it will be useful, but WITHOUT
  10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  12 * more details.
  13 *
  14 * The full GNU General Public License is included in this distribution in
  15 * the file called "COPYING".
  16 *
  17 * Contact Information:
  18 * Linux NICS <linux.nics@intel.com>
  19 * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
  20 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  21 */
  22
  23/* ethtool support for e1000 */
  24
  25#include <linux/netdevice.h>
  26#include <linux/interrupt.h>
  27#include <linux/ethtool.h>
  28#include <linux/pci.h>
  29#include <linux/slab.h>
  30#include <linux/delay.h>
  31#include <linux/vmalloc.h>
  32#include <linux/pm_runtime.h>
  33
  34#include "e1000.h"
  35
  36enum { NETDEV_STATS, E1000_STATS };
  37
  38struct e1000_stats {
  39	char stat_string[ETH_GSTRING_LEN];
  40	int type;
  41	int sizeof_stat;
  42	int stat_offset;
  43};
  44
  45#define E1000_STAT(str, m) { \
  46		.stat_string = str, \
  47		.type = E1000_STATS, \
  48		.sizeof_stat = sizeof(((struct e1000_adapter *)0)->m), \
  49		.stat_offset = offsetof(struct e1000_adapter, m) }
  50#define E1000_NETDEV_STAT(str, m) { \
  51		.stat_string = str, \
  52		.type = NETDEV_STATS, \
  53		.sizeof_stat = sizeof(((struct rtnl_link_stats64 *)0)->m), \
  54		.stat_offset = offsetof(struct rtnl_link_stats64, m) }
  55
  56static const struct e1000_stats e1000_gstrings_stats[] = {
  57	E1000_STAT("rx_packets", stats.gprc),
  58	E1000_STAT("tx_packets", stats.gptc),
  59	E1000_STAT("rx_bytes", stats.gorc),
  60	E1000_STAT("tx_bytes", stats.gotc),
  61	E1000_STAT("rx_broadcast", stats.bprc),
  62	E1000_STAT("tx_broadcast", stats.bptc),
  63	E1000_STAT("rx_multicast", stats.mprc),
  64	E1000_STAT("tx_multicast", stats.mptc),
  65	E1000_NETDEV_STAT("rx_errors", rx_errors),
  66	E1000_NETDEV_STAT("tx_errors", tx_errors),
  67	E1000_NETDEV_STAT("tx_dropped", tx_dropped),
  68	E1000_STAT("multicast", stats.mprc),
  69	E1000_STAT("collisions", stats.colc),
  70	E1000_NETDEV_STAT("rx_length_errors", rx_length_errors),
  71	E1000_NETDEV_STAT("rx_over_errors", rx_over_errors),
  72	E1000_STAT("rx_crc_errors", stats.crcerrs),
  73	E1000_NETDEV_STAT("rx_frame_errors", rx_frame_errors),
  74	E1000_STAT("rx_no_buffer_count", stats.rnbc),
  75	E1000_STAT("rx_missed_errors", stats.mpc),
  76	E1000_STAT("tx_aborted_errors", stats.ecol),
  77	E1000_STAT("tx_carrier_errors", stats.tncrs),
  78	E1000_NETDEV_STAT("tx_fifo_errors", tx_fifo_errors),
  79	E1000_NETDEV_STAT("tx_heartbeat_errors", tx_heartbeat_errors),
  80	E1000_STAT("tx_window_errors", stats.latecol),
  81	E1000_STAT("tx_abort_late_coll", stats.latecol),
  82	E1000_STAT("tx_deferred_ok", stats.dc),
  83	E1000_STAT("tx_single_coll_ok", stats.scc),
  84	E1000_STAT("tx_multi_coll_ok", stats.mcc),
  85	E1000_STAT("tx_timeout_count", tx_timeout_count),
  86	E1000_STAT("tx_restart_queue", restart_queue),
  87	E1000_STAT("rx_long_length_errors", stats.roc),
  88	E1000_STAT("rx_short_length_errors", stats.ruc),
  89	E1000_STAT("rx_align_errors", stats.algnerrc),
  90	E1000_STAT("tx_tcp_seg_good", stats.tsctc),
  91	E1000_STAT("tx_tcp_seg_failed", stats.tsctfc),
  92	E1000_STAT("rx_flow_control_xon", stats.xonrxc),
  93	E1000_STAT("rx_flow_control_xoff", stats.xoffrxc),
  94	E1000_STAT("tx_flow_control_xon", stats.xontxc),
  95	E1000_STAT("tx_flow_control_xoff", stats.xofftxc),
  96	E1000_STAT("rx_csum_offload_good", hw_csum_good),
  97	E1000_STAT("rx_csum_offload_errors", hw_csum_err),
  98	E1000_STAT("rx_header_split", rx_hdr_split),
  99	E1000_STAT("alloc_rx_buff_failed", alloc_rx_buff_failed),
 100	E1000_STAT("tx_smbus", stats.mgptc),
 101	E1000_STAT("rx_smbus", stats.mgprc),
 102	E1000_STAT("dropped_smbus", stats.mgpdc),
 103	E1000_STAT("rx_dma_failed", rx_dma_failed),
 104	E1000_STAT("tx_dma_failed", tx_dma_failed),
 105	E1000_STAT("rx_hwtstamp_cleared", rx_hwtstamp_cleared),
 106	E1000_STAT("uncorr_ecc_errors", uncorr_errors),
 107	E1000_STAT("corr_ecc_errors", corr_errors),
 108	E1000_STAT("tx_hwtstamp_timeouts", tx_hwtstamp_timeouts),
 109	E1000_STAT("tx_hwtstamp_skipped", tx_hwtstamp_skipped),
 110};
 111
 112#define E1000_GLOBAL_STATS_LEN	ARRAY_SIZE(e1000_gstrings_stats)
 113#define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN)
 114static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = {
 115	"Register test  (offline)", "Eeprom test    (offline)",
 116	"Interrupt test (offline)", "Loopback test  (offline)",
 117	"Link test   (on/offline)"
 118};
 119
 120#define E1000_TEST_LEN ARRAY_SIZE(e1000_gstrings_test)
 121
 122static int e1000_get_link_ksettings(struct net_device *netdev,
 123				    struct ethtool_link_ksettings *cmd)
 124{
 125	struct e1000_adapter *adapter = netdev_priv(netdev);
 126	struct e1000_hw *hw = &adapter->hw;
 127	u32 speed, supported, advertising;
 128
 129	if (hw->phy.media_type == e1000_media_type_copper) {
 130		supported = (SUPPORTED_10baseT_Half |
 131			     SUPPORTED_10baseT_Full |
 132			     SUPPORTED_100baseT_Half |
 133			     SUPPORTED_100baseT_Full |
 134			     SUPPORTED_1000baseT_Full |
 135			     SUPPORTED_Autoneg |
 136			     SUPPORTED_TP);
 137		if (hw->phy.type == e1000_phy_ife)
 138			supported &= ~SUPPORTED_1000baseT_Full;
 139		advertising = ADVERTISED_TP;
 140
 141		if (hw->mac.autoneg == 1) {
 142			advertising |= ADVERTISED_Autoneg;
 143			/* the e1000 autoneg seems to match ethtool nicely */
 144			advertising |= hw->phy.autoneg_advertised;
 145		}
 146
 147		cmd->base.port = PORT_TP;
 148		cmd->base.phy_address = hw->phy.addr;
 
 
 149	} else {
 150		supported   = (SUPPORTED_1000baseT_Full |
 151			       SUPPORTED_FIBRE |
 152			       SUPPORTED_Autoneg);
 153
 154		advertising = (ADVERTISED_1000baseT_Full |
 155			       ADVERTISED_FIBRE |
 156			       ADVERTISED_Autoneg);
 157
 158		cmd->base.port = PORT_FIBRE;
 
 159	}
 160
 161	speed = SPEED_UNKNOWN;
 162	cmd->base.duplex = DUPLEX_UNKNOWN;
 163
 164	if (netif_running(netdev)) {
 165		if (netif_carrier_ok(netdev)) {
 166			speed = adapter->link_speed;
 167			cmd->base.duplex = adapter->link_duplex - 1;
 168		}
 169	} else if (!pm_runtime_suspended(netdev->dev.parent)) {
 170		u32 status = er32(STATUS);
 171
 172		if (status & E1000_STATUS_LU) {
 173			if (status & E1000_STATUS_SPEED_1000)
 174				speed = SPEED_1000;
 175			else if (status & E1000_STATUS_SPEED_100)
 176				speed = SPEED_100;
 177			else
 178				speed = SPEED_10;
 179
 180			if (status & E1000_STATUS_FD)
 181				cmd->base.duplex = DUPLEX_FULL;
 182			else
 183				cmd->base.duplex = DUPLEX_HALF;
 184		}
 185	}
 186
 187	cmd->base.speed = speed;
 188	cmd->base.autoneg = ((hw->phy.media_type == e1000_media_type_fiber) ||
 189			 hw->mac.autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE;
 190
 191	/* MDI-X => 2; MDI =>1; Invalid =>0 */
 192	if ((hw->phy.media_type == e1000_media_type_copper) &&
 193	    netif_carrier_ok(netdev))
 194		cmd->base.eth_tp_mdix = hw->phy.is_mdix ?
 195			ETH_TP_MDI_X : ETH_TP_MDI;
 196	else
 197		cmd->base.eth_tp_mdix = ETH_TP_MDI_INVALID;
 198
 199	if (hw->phy.mdix == AUTO_ALL_MODES)
 200		cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI_AUTO;
 201	else
 202		cmd->base.eth_tp_mdix_ctrl = hw->phy.mdix;
 203
 204	if (hw->phy.media_type != e1000_media_type_copper)
 205		cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI_INVALID;
 206
 207	ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
 208						supported);
 209	ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising,
 210						advertising);
 211
 212	return 0;
 213}
 214
 215static int e1000_set_spd_dplx(struct e1000_adapter *adapter, u32 spd, u8 dplx)
 216{
 217	struct e1000_mac_info *mac = &adapter->hw.mac;
 218
 219	mac->autoneg = 0;
 220
 221	/* Make sure dplx is at most 1 bit and lsb of speed is not set
 222	 * for the switch() below to work
 223	 */
 224	if ((spd & 1) || (dplx & ~1))
 225		goto err_inval;
 226
 227	/* Fiber NICs only allow 1000 gbps Full duplex */
 228	if ((adapter->hw.phy.media_type == e1000_media_type_fiber) &&
 229	    (spd != SPEED_1000) && (dplx != DUPLEX_FULL)) {
 230		goto err_inval;
 231	}
 232
 233	switch (spd + dplx) {
 234	case SPEED_10 + DUPLEX_HALF:
 235		mac->forced_speed_duplex = ADVERTISE_10_HALF;
 236		break;
 237	case SPEED_10 + DUPLEX_FULL:
 238		mac->forced_speed_duplex = ADVERTISE_10_FULL;
 239		break;
 240	case SPEED_100 + DUPLEX_HALF:
 241		mac->forced_speed_duplex = ADVERTISE_100_HALF;
 242		break;
 243	case SPEED_100 + DUPLEX_FULL:
 244		mac->forced_speed_duplex = ADVERTISE_100_FULL;
 245		break;
 246	case SPEED_1000 + DUPLEX_FULL:
 247		if (adapter->hw.phy.media_type == e1000_media_type_copper) {
 248			mac->autoneg = 1;
 249			adapter->hw.phy.autoneg_advertised =
 250				ADVERTISE_1000_FULL;
 251		} else {
 252			mac->forced_speed_duplex = ADVERTISE_1000_FULL;
 253		}
 254		break;
 255	case SPEED_1000 + DUPLEX_HALF:	/* not supported */
 256	default:
 257		goto err_inval;
 258	}
 259
 260	/* clear MDI, MDI(-X) override is only allowed when autoneg enabled */
 261	adapter->hw.phy.mdix = AUTO_ALL_MODES;
 262
 263	return 0;
 264
 265err_inval:
 266	e_err("Unsupported Speed/Duplex configuration\n");
 267	return -EINVAL;
 268}
 269
 270static int e1000_set_link_ksettings(struct net_device *netdev,
 271				    const struct ethtool_link_ksettings *cmd)
 272{
 273	struct e1000_adapter *adapter = netdev_priv(netdev);
 274	struct e1000_hw *hw = &adapter->hw;
 275	int ret_val = 0;
 276	u32 advertising;
 277
 278	ethtool_convert_link_mode_to_legacy_u32(&advertising,
 279						cmd->link_modes.advertising);
 280
 281	pm_runtime_get_sync(netdev->dev.parent);
 282
 283	/* When SoL/IDER sessions are active, autoneg/speed/duplex
 284	 * cannot be changed
 285	 */
 286	if (hw->phy.ops.check_reset_block &&
 287	    hw->phy.ops.check_reset_block(hw)) {
 288		e_err("Cannot change link characteristics when SoL/IDER is active.\n");
 289		ret_val = -EINVAL;
 290		goto out;
 291	}
 292
 293	/* MDI setting is only allowed when autoneg enabled because
 294	 * some hardware doesn't allow MDI setting when speed or
 295	 * duplex is forced.
 296	 */
 297	if (cmd->base.eth_tp_mdix_ctrl) {
 298		if (hw->phy.media_type != e1000_media_type_copper) {
 299			ret_val = -EOPNOTSUPP;
 300			goto out;
 301		}
 302
 303		if ((cmd->base.eth_tp_mdix_ctrl != ETH_TP_MDI_AUTO) &&
 304		    (cmd->base.autoneg != AUTONEG_ENABLE)) {
 305			e_err("forcing MDI/MDI-X state is not supported when link speed and/or duplex are forced\n");
 306			ret_val = -EINVAL;
 307			goto out;
 308		}
 309	}
 310
 311	while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
 312		usleep_range(1000, 2000);
 313
 314	if (cmd->base.autoneg == AUTONEG_ENABLE) {
 315		hw->mac.autoneg = 1;
 316		if (hw->phy.media_type == e1000_media_type_fiber)
 317			hw->phy.autoneg_advertised = ADVERTISED_1000baseT_Full |
 318			    ADVERTISED_FIBRE | ADVERTISED_Autoneg;
 319		else
 320			hw->phy.autoneg_advertised = advertising |
 321			    ADVERTISED_TP | ADVERTISED_Autoneg;
 322		advertising = hw->phy.autoneg_advertised;
 323		if (adapter->fc_autoneg)
 324			hw->fc.requested_mode = e1000_fc_default;
 325	} else {
 326		u32 speed = cmd->base.speed;
 327		/* calling this overrides forced MDI setting */
 328		if (e1000_set_spd_dplx(adapter, speed, cmd->base.duplex)) {
 329			ret_val = -EINVAL;
 330			goto out;
 331		}
 332	}
 333
 334	/* MDI-X => 2; MDI => 1; Auto => 3 */
 335	if (cmd->base.eth_tp_mdix_ctrl) {
 336		/* fix up the value for auto (3 => 0) as zero is mapped
 337		 * internally to auto
 338		 */
 339		if (cmd->base.eth_tp_mdix_ctrl == ETH_TP_MDI_AUTO)
 340			hw->phy.mdix = AUTO_ALL_MODES;
 341		else
 342			hw->phy.mdix = cmd->base.eth_tp_mdix_ctrl;
 343	}
 344
 345	/* reset the link */
 346	if (netif_running(adapter->netdev)) {
 347		e1000e_down(adapter, true);
 348		e1000e_up(adapter);
 349	} else {
 350		e1000e_reset(adapter);
 351	}
 352
 353out:
 354	pm_runtime_put_sync(netdev->dev.parent);
 355	clear_bit(__E1000_RESETTING, &adapter->state);
 356	return ret_val;
 357}
 358
 359static void e1000_get_pauseparam(struct net_device *netdev,
 360				 struct ethtool_pauseparam *pause)
 361{
 362	struct e1000_adapter *adapter = netdev_priv(netdev);
 363	struct e1000_hw *hw = &adapter->hw;
 364
 365	pause->autoneg =
 366	    (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE);
 367
 368	if (hw->fc.current_mode == e1000_fc_rx_pause) {
 369		pause->rx_pause = 1;
 370	} else if (hw->fc.current_mode == e1000_fc_tx_pause) {
 371		pause->tx_pause = 1;
 372	} else if (hw->fc.current_mode == e1000_fc_full) {
 373		pause->rx_pause = 1;
 374		pause->tx_pause = 1;
 375	}
 376}
 377
 378static int e1000_set_pauseparam(struct net_device *netdev,
 379				struct ethtool_pauseparam *pause)
 380{
 381	struct e1000_adapter *adapter = netdev_priv(netdev);
 382	struct e1000_hw *hw = &adapter->hw;
 383	int retval = 0;
 384
 385	adapter->fc_autoneg = pause->autoneg;
 386
 387	while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
 388		usleep_range(1000, 2000);
 389
 390	pm_runtime_get_sync(netdev->dev.parent);
 391
 392	if (adapter->fc_autoneg == AUTONEG_ENABLE) {
 393		hw->fc.requested_mode = e1000_fc_default;
 394		if (netif_running(adapter->netdev)) {
 395			e1000e_down(adapter, true);
 396			e1000e_up(adapter);
 397		} else {
 398			e1000e_reset(adapter);
 399		}
 400	} else {
 401		if (pause->rx_pause && pause->tx_pause)
 402			hw->fc.requested_mode = e1000_fc_full;
 403		else if (pause->rx_pause && !pause->tx_pause)
 404			hw->fc.requested_mode = e1000_fc_rx_pause;
 405		else if (!pause->rx_pause && pause->tx_pause)
 406			hw->fc.requested_mode = e1000_fc_tx_pause;
 407		else if (!pause->rx_pause && !pause->tx_pause)
 408			hw->fc.requested_mode = e1000_fc_none;
 409
 410		hw->fc.current_mode = hw->fc.requested_mode;
 411
 412		if (hw->phy.media_type == e1000_media_type_fiber) {
 413			retval = hw->mac.ops.setup_link(hw);
 414			/* implicit goto out */
 415		} else {
 416			retval = e1000e_force_mac_fc(hw);
 417			if (retval)
 418				goto out;
 419			e1000e_set_fc_watermarks(hw);
 420		}
 421	}
 422
 423out:
 424	pm_runtime_put_sync(netdev->dev.parent);
 425	clear_bit(__E1000_RESETTING, &adapter->state);
 426	return retval;
 427}
 428
 429static u32 e1000_get_msglevel(struct net_device *netdev)
 430{
 431	struct e1000_adapter *adapter = netdev_priv(netdev);
 432	return adapter->msg_enable;
 433}
 434
 435static void e1000_set_msglevel(struct net_device *netdev, u32 data)
 436{
 437	struct e1000_adapter *adapter = netdev_priv(netdev);
 438	adapter->msg_enable = data;
 439}
 440
 441static int e1000_get_regs_len(struct net_device __always_unused *netdev)
 442{
 443#define E1000_REGS_LEN 32	/* overestimate */
 444	return E1000_REGS_LEN * sizeof(u32);
 445}
 446
 447static void e1000_get_regs(struct net_device *netdev,
 448			   struct ethtool_regs *regs, void *p)
 449{
 450	struct e1000_adapter *adapter = netdev_priv(netdev);
 451	struct e1000_hw *hw = &adapter->hw;
 452	u32 *regs_buff = p;
 453	u16 phy_data;
 454
 455	pm_runtime_get_sync(netdev->dev.parent);
 456
 457	memset(p, 0, E1000_REGS_LEN * sizeof(u32));
 458
 459	regs->version = (1u << 24) |
 460			(adapter->pdev->revision << 16) |
 461			adapter->pdev->device;
 462
 463	regs_buff[0] = er32(CTRL);
 464	regs_buff[1] = er32(STATUS);
 465
 466	regs_buff[2] = er32(RCTL);
 467	regs_buff[3] = er32(RDLEN(0));
 468	regs_buff[4] = er32(RDH(0));
 469	regs_buff[5] = er32(RDT(0));
 470	regs_buff[6] = er32(RDTR);
 471
 472	regs_buff[7] = er32(TCTL);
 473	regs_buff[8] = er32(TDLEN(0));
 474	regs_buff[9] = er32(TDH(0));
 475	regs_buff[10] = er32(TDT(0));
 476	regs_buff[11] = er32(TIDV);
 477
 478	regs_buff[12] = adapter->hw.phy.type;	/* PHY type (IGP=1, M88=0) */
 479
 480	/* ethtool doesn't use anything past this point, so all this
 481	 * code is likely legacy junk for apps that may or may not exist
 482	 */
 483	if (hw->phy.type == e1000_phy_m88) {
 484		e1e_rphy(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
 485		regs_buff[13] = (u32)phy_data; /* cable length */
 486		regs_buff[14] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 487		regs_buff[15] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 488		regs_buff[16] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 489		e1e_rphy(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
 490		regs_buff[17] = (u32)phy_data; /* extended 10bt distance */
 491		regs_buff[18] = regs_buff[13]; /* cable polarity */
 492		regs_buff[19] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
 493		regs_buff[20] = regs_buff[17]; /* polarity correction */
 494		/* phy receive errors */
 495		regs_buff[22] = adapter->phy_stats.receive_errors;
 496		regs_buff[23] = regs_buff[13]; /* mdix mode */
 497	}
 498	regs_buff[21] = 0;	/* was idle_errors */
 499	e1e_rphy(hw, MII_STAT1000, &phy_data);
 500	regs_buff[24] = (u32)phy_data;	/* phy local receiver status */
 501	regs_buff[25] = regs_buff[24];	/* phy remote receiver status */
 502
 503	pm_runtime_put_sync(netdev->dev.parent);
 504}
 505
 506static int e1000_get_eeprom_len(struct net_device *netdev)
 507{
 508	struct e1000_adapter *adapter = netdev_priv(netdev);
 509	return adapter->hw.nvm.word_size * 2;
 510}
 511
 512static int e1000_get_eeprom(struct net_device *netdev,
 513			    struct ethtool_eeprom *eeprom, u8 *bytes)
 514{
 515	struct e1000_adapter *adapter = netdev_priv(netdev);
 516	struct e1000_hw *hw = &adapter->hw;
 517	u16 *eeprom_buff;
 518	int first_word;
 519	int last_word;
 520	int ret_val = 0;
 521	u16 i;
 522
 523	if (eeprom->len == 0)
 524		return -EINVAL;
 525
 526	eeprom->magic = adapter->pdev->vendor | (adapter->pdev->device << 16);
 527
 528	first_word = eeprom->offset >> 1;
 529	last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 530
 531	eeprom_buff = kmalloc(sizeof(u16) * (last_word - first_word + 1),
 532			      GFP_KERNEL);
 533	if (!eeprom_buff)
 534		return -ENOMEM;
 535
 536	pm_runtime_get_sync(netdev->dev.parent);
 537
 538	if (hw->nvm.type == e1000_nvm_eeprom_spi) {
 539		ret_val = e1000_read_nvm(hw, first_word,
 540					 last_word - first_word + 1,
 541					 eeprom_buff);
 542	} else {
 543		for (i = 0; i < last_word - first_word + 1; i++) {
 544			ret_val = e1000_read_nvm(hw, first_word + i, 1,
 545						 &eeprom_buff[i]);
 546			if (ret_val)
 547				break;
 548		}
 549	}
 550
 551	pm_runtime_put_sync(netdev->dev.parent);
 552
 553	if (ret_val) {
 554		/* a read error occurred, throw away the result */
 555		memset(eeprom_buff, 0xff, sizeof(u16) *
 556		       (last_word - first_word + 1));
 557	} else {
 558		/* Device's eeprom is always little-endian, word addressable */
 559		for (i = 0; i < last_word - first_word + 1; i++)
 560			le16_to_cpus(&eeprom_buff[i]);
 561	}
 562
 563	memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
 564	kfree(eeprom_buff);
 565
 566	return ret_val;
 567}
 568
 569static int e1000_set_eeprom(struct net_device *netdev,
 570			    struct ethtool_eeprom *eeprom, u8 *bytes)
 571{
 572	struct e1000_adapter *adapter = netdev_priv(netdev);
 573	struct e1000_hw *hw = &adapter->hw;
 574	u16 *eeprom_buff;
 575	void *ptr;
 576	int max_len;
 577	int first_word;
 578	int last_word;
 579	int ret_val = 0;
 580	u16 i;
 581
 582	if (eeprom->len == 0)
 583		return -EOPNOTSUPP;
 584
 585	if (eeprom->magic !=
 586	    (adapter->pdev->vendor | (adapter->pdev->device << 16)))
 587		return -EFAULT;
 588
 589	if (adapter->flags & FLAG_READ_ONLY_NVM)
 590		return -EINVAL;
 591
 592	max_len = hw->nvm.word_size * 2;
 593
 594	first_word = eeprom->offset >> 1;
 595	last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 596	eeprom_buff = kmalloc(max_len, GFP_KERNEL);
 597	if (!eeprom_buff)
 598		return -ENOMEM;
 599
 600	ptr = (void *)eeprom_buff;
 601
 602	pm_runtime_get_sync(netdev->dev.parent);
 603
 604	if (eeprom->offset & 1) {
 605		/* need read/modify/write of first changed EEPROM word */
 606		/* only the second byte of the word is being modified */
 607		ret_val = e1000_read_nvm(hw, first_word, 1, &eeprom_buff[0]);
 608		ptr++;
 609	}
 610	if (((eeprom->offset + eeprom->len) & 1) && (!ret_val))
 611		/* need read/modify/write of last changed EEPROM word */
 612		/* only the first byte of the word is being modified */
 613		ret_val = e1000_read_nvm(hw, last_word, 1,
 614					 &eeprom_buff[last_word - first_word]);
 615
 616	if (ret_val)
 617		goto out;
 618
 619	/* Device's eeprom is always little-endian, word addressable */
 620	for (i = 0; i < last_word - first_word + 1; i++)
 621		le16_to_cpus(&eeprom_buff[i]);
 622
 623	memcpy(ptr, bytes, eeprom->len);
 624
 625	for (i = 0; i < last_word - first_word + 1; i++)
 626		cpu_to_le16s(&eeprom_buff[i]);
 627
 628	ret_val = e1000_write_nvm(hw, first_word,
 629				  last_word - first_word + 1, eeprom_buff);
 630
 631	if (ret_val)
 632		goto out;
 633
 634	/* Update the checksum over the first part of the EEPROM if needed
 635	 * and flush shadow RAM for applicable controllers
 636	 */
 637	if ((first_word <= NVM_CHECKSUM_REG) ||
 638	    (hw->mac.type == e1000_82583) ||
 639	    (hw->mac.type == e1000_82574) ||
 640	    (hw->mac.type == e1000_82573))
 641		ret_val = e1000e_update_nvm_checksum(hw);
 642
 643out:
 644	pm_runtime_put_sync(netdev->dev.parent);
 645	kfree(eeprom_buff);
 646	return ret_val;
 647}
 648
 649static void e1000_get_drvinfo(struct net_device *netdev,
 650			      struct ethtool_drvinfo *drvinfo)
 651{
 652	struct e1000_adapter *adapter = netdev_priv(netdev);
 653
 654	strlcpy(drvinfo->driver, e1000e_driver_name, sizeof(drvinfo->driver));
 655	strlcpy(drvinfo->version, e1000e_driver_version,
 656		sizeof(drvinfo->version));
 657
 658	/* EEPROM image version # is reported as firmware version # for
 659	 * PCI-E controllers
 660	 */
 661	snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
 662		 "%d.%d-%d",
 663		 (adapter->eeprom_vers & 0xF000) >> 12,
 664		 (adapter->eeprom_vers & 0x0FF0) >> 4,
 665		 (adapter->eeprom_vers & 0x000F));
 666
 667	strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
 668		sizeof(drvinfo->bus_info));
 
 
 669}
 670
 671static void e1000_get_ringparam(struct net_device *netdev,
 672				struct ethtool_ringparam *ring)
 673{
 674	struct e1000_adapter *adapter = netdev_priv(netdev);
 675
 676	ring->rx_max_pending = E1000_MAX_RXD;
 677	ring->tx_max_pending = E1000_MAX_TXD;
 678	ring->rx_pending = adapter->rx_ring_count;
 679	ring->tx_pending = adapter->tx_ring_count;
 680}
 681
 682static int e1000_set_ringparam(struct net_device *netdev,
 683			       struct ethtool_ringparam *ring)
 684{
 685	struct e1000_adapter *adapter = netdev_priv(netdev);
 686	struct e1000_ring *temp_tx = NULL, *temp_rx = NULL;
 687	int err = 0, size = sizeof(struct e1000_ring);
 688	bool set_tx = false, set_rx = false;
 689	u16 new_rx_count, new_tx_count;
 690
 691	if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
 692		return -EINVAL;
 693
 694	new_rx_count = clamp_t(u32, ring->rx_pending, E1000_MIN_RXD,
 695			       E1000_MAX_RXD);
 696	new_rx_count = ALIGN(new_rx_count, REQ_RX_DESCRIPTOR_MULTIPLE);
 697
 698	new_tx_count = clamp_t(u32, ring->tx_pending, E1000_MIN_TXD,
 699			       E1000_MAX_TXD);
 700	new_tx_count = ALIGN(new_tx_count, REQ_TX_DESCRIPTOR_MULTIPLE);
 701
 702	if ((new_tx_count == adapter->tx_ring_count) &&
 703	    (new_rx_count == adapter->rx_ring_count))
 704		/* nothing to do */
 705		return 0;
 706
 707	while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
 708		usleep_range(1000, 2000);
 709
 710	if (!netif_running(adapter->netdev)) {
 711		/* Set counts now and allocate resources during open() */
 712		adapter->tx_ring->count = new_tx_count;
 713		adapter->rx_ring->count = new_rx_count;
 714		adapter->tx_ring_count = new_tx_count;
 715		adapter->rx_ring_count = new_rx_count;
 716		goto clear_reset;
 717	}
 718
 719	set_tx = (new_tx_count != adapter->tx_ring_count);
 720	set_rx = (new_rx_count != adapter->rx_ring_count);
 721
 722	/* Allocate temporary storage for ring updates */
 723	if (set_tx) {
 724		temp_tx = vmalloc(size);
 725		if (!temp_tx) {
 726			err = -ENOMEM;
 727			goto free_temp;
 728		}
 729	}
 730	if (set_rx) {
 731		temp_rx = vmalloc(size);
 732		if (!temp_rx) {
 733			err = -ENOMEM;
 734			goto free_temp;
 735		}
 736	}
 737
 738	pm_runtime_get_sync(netdev->dev.parent);
 739
 740	e1000e_down(adapter, true);
 741
 742	/* We can't just free everything and then setup again, because the
 743	 * ISRs in MSI-X mode get passed pointers to the Tx and Rx ring
 744	 * structs.  First, attempt to allocate new resources...
 745	 */
 746	if (set_tx) {
 747		memcpy(temp_tx, adapter->tx_ring, size);
 748		temp_tx->count = new_tx_count;
 749		err = e1000e_setup_tx_resources(temp_tx);
 750		if (err)
 751			goto err_setup;
 752	}
 753	if (set_rx) {
 754		memcpy(temp_rx, adapter->rx_ring, size);
 755		temp_rx->count = new_rx_count;
 756		err = e1000e_setup_rx_resources(temp_rx);
 757		if (err)
 758			goto err_setup_rx;
 759	}
 760
 761	/* ...then free the old resources and copy back any new ring data */
 762	if (set_tx) {
 763		e1000e_free_tx_resources(adapter->tx_ring);
 764		memcpy(adapter->tx_ring, temp_tx, size);
 765		adapter->tx_ring_count = new_tx_count;
 766	}
 767	if (set_rx) {
 768		e1000e_free_rx_resources(adapter->rx_ring);
 769		memcpy(adapter->rx_ring, temp_rx, size);
 770		adapter->rx_ring_count = new_rx_count;
 771	}
 772
 773err_setup_rx:
 774	if (err && set_tx)
 775		e1000e_free_tx_resources(temp_tx);
 776err_setup:
 777	e1000e_up(adapter);
 778	pm_runtime_put_sync(netdev->dev.parent);
 779free_temp:
 780	vfree(temp_tx);
 781	vfree(temp_rx);
 782clear_reset:
 783	clear_bit(__E1000_RESETTING, &adapter->state);
 784	return err;
 785}
 786
 787static bool reg_pattern_test(struct e1000_adapter *adapter, u64 *data,
 788			     int reg, int offset, u32 mask, u32 write)
 789{
 790	u32 pat, val;
 791	static const u32 test[] = {
 792		0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF
 793	};
 794	for (pat = 0; pat < ARRAY_SIZE(test); pat++) {
 795		E1000_WRITE_REG_ARRAY(&adapter->hw, reg, offset,
 796				      (test[pat] & write));
 797		val = E1000_READ_REG_ARRAY(&adapter->hw, reg, offset);
 798		if (val != (test[pat] & write & mask)) {
 799			e_err("pattern test failed (reg 0x%05X): got 0x%08X expected 0x%08X\n",
 800			      reg + (offset << 2), val,
 801			      (test[pat] & write & mask));
 802			*data = reg;
 803			return true;
 804		}
 805	}
 806	return false;
 807}
 808
 809static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data,
 810			      int reg, u32 mask, u32 write)
 811{
 812	u32 val;
 813
 814	__ew32(&adapter->hw, reg, write & mask);
 815	val = __er32(&adapter->hw, reg);
 816	if ((write & mask) != (val & mask)) {
 817		e_err("set/check test failed (reg 0x%05X): got 0x%08X expected 0x%08X\n",
 818		      reg, (val & mask), (write & mask));
 819		*data = reg;
 820		return true;
 821	}
 822	return false;
 823}
 824
 825#define REG_PATTERN_TEST_ARRAY(reg, offset, mask, write)                       \
 826	do {                                                                   \
 827		if (reg_pattern_test(adapter, data, reg, offset, mask, write)) \
 828			return 1;                                              \
 829	} while (0)
 830#define REG_PATTERN_TEST(reg, mask, write)                                     \
 831	REG_PATTERN_TEST_ARRAY(reg, 0, mask, write)
 832
 833#define REG_SET_AND_CHECK(reg, mask, write)                                    \
 834	do {                                                                   \
 835		if (reg_set_and_check(adapter, data, reg, mask, write))        \
 836			return 1;                                              \
 837	} while (0)
 838
 839static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data)
 840{
 841	struct e1000_hw *hw = &adapter->hw;
 842	struct e1000_mac_info *mac = &adapter->hw.mac;
 843	u32 value;
 844	u32 before;
 845	u32 after;
 846	u32 i;
 847	u32 toggle;
 848	u32 mask;
 849	u32 wlock_mac = 0;
 850
 851	/* The status register is Read Only, so a write should fail.
 852	 * Some bits that get toggled are ignored.  There are several bits
 853	 * on newer hardware that are r/w.
 854	 */
 855	switch (mac->type) {
 856	case e1000_82571:
 857	case e1000_82572:
 858	case e1000_80003es2lan:
 859		toggle = 0x7FFFF3FF;
 860		break;
 861	default:
 862		toggle = 0x7FFFF033;
 863		break;
 864	}
 865
 866	before = er32(STATUS);
 867	value = (er32(STATUS) & toggle);
 868	ew32(STATUS, toggle);
 869	after = er32(STATUS) & toggle;
 870	if (value != after) {
 871		e_err("failed STATUS register test got: 0x%08X expected: 0x%08X\n",
 872		      after, value);
 873		*data = 1;
 874		return 1;
 875	}
 876	/* restore previous status */
 877	ew32(STATUS, before);
 878
 879	if (!(adapter->flags & FLAG_IS_ICH)) {
 880		REG_PATTERN_TEST(E1000_FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
 881		REG_PATTERN_TEST(E1000_FCAH, 0x0000FFFF, 0xFFFFFFFF);
 882		REG_PATTERN_TEST(E1000_FCT, 0x0000FFFF, 0xFFFFFFFF);
 883		REG_PATTERN_TEST(E1000_VET, 0x0000FFFF, 0xFFFFFFFF);
 884	}
 885
 886	REG_PATTERN_TEST(E1000_RDTR, 0x0000FFFF, 0xFFFFFFFF);
 887	REG_PATTERN_TEST(E1000_RDBAH(0), 0xFFFFFFFF, 0xFFFFFFFF);
 888	REG_PATTERN_TEST(E1000_RDLEN(0), 0x000FFF80, 0x000FFFFF);
 889	REG_PATTERN_TEST(E1000_RDH(0), 0x0000FFFF, 0x0000FFFF);
 890	REG_PATTERN_TEST(E1000_RDT(0), 0x0000FFFF, 0x0000FFFF);
 891	REG_PATTERN_TEST(E1000_FCRTH, 0x0000FFF8, 0x0000FFF8);
 892	REG_PATTERN_TEST(E1000_FCTTV, 0x0000FFFF, 0x0000FFFF);
 893	REG_PATTERN_TEST(E1000_TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
 894	REG_PATTERN_TEST(E1000_TDBAH(0), 0xFFFFFFFF, 0xFFFFFFFF);
 895	REG_PATTERN_TEST(E1000_TDLEN(0), 0x000FFF80, 0x000FFFFF);
 896
 897	REG_SET_AND_CHECK(E1000_RCTL, 0xFFFFFFFF, 0x00000000);
 898
 899	before = ((adapter->flags & FLAG_IS_ICH) ? 0x06C3B33E : 0x06DFB3FE);
 900	REG_SET_AND_CHECK(E1000_RCTL, before, 0x003FFFFB);
 901	REG_SET_AND_CHECK(E1000_TCTL, 0xFFFFFFFF, 0x00000000);
 902
 903	REG_SET_AND_CHECK(E1000_RCTL, before, 0xFFFFFFFF);
 904	REG_PATTERN_TEST(E1000_RDBAL(0), 0xFFFFFFF0, 0xFFFFFFFF);
 905	if (!(adapter->flags & FLAG_IS_ICH))
 906		REG_PATTERN_TEST(E1000_TXCW, 0xC000FFFF, 0x0000FFFF);
 907	REG_PATTERN_TEST(E1000_TDBAL(0), 0xFFFFFFF0, 0xFFFFFFFF);
 908	REG_PATTERN_TEST(E1000_TIDV, 0x0000FFFF, 0x0000FFFF);
 909	mask = 0x8003FFFF;
 910	switch (mac->type) {
 911	case e1000_ich10lan:
 912	case e1000_pchlan:
 913	case e1000_pch2lan:
 914	case e1000_pch_lpt:
 915	case e1000_pch_spt:
 916		/* fall through */
 917	case e1000_pch_cnp:
 918		mask |= BIT(18);
 919		break;
 920	default:
 921		break;
 922	}
 923
 924	if (mac->type >= e1000_pch_lpt)
 925		wlock_mac = (er32(FWSM) & E1000_FWSM_WLOCK_MAC_MASK) >>
 926		    E1000_FWSM_WLOCK_MAC_SHIFT;
 927
 928	for (i = 0; i < mac->rar_entry_count; i++) {
 929		if (mac->type >= e1000_pch_lpt) {
 930			/* Cannot test write-protected SHRAL[n] registers */
 931			if ((wlock_mac == 1) || (wlock_mac && (i > wlock_mac)))
 932				continue;
 933
 934			/* SHRAH[9] different than the others */
 935			if (i == 10)
 936				mask |= BIT(30);
 937			else
 938				mask &= ~BIT(30);
 939		}
 940		if (mac->type == e1000_pch2lan) {
 941			/* SHRAH[0,1,2] different than previous */
 942			if (i == 1)
 943				mask &= 0xFFF4FFFF;
 944			/* SHRAH[3] different than SHRAH[0,1,2] */
 945			if (i == 4)
 946				mask |= BIT(30);
 947			/* RAR[1-6] owned by management engine - skipping */
 948			if (i > 0)
 949				i += 6;
 950		}
 951
 952		REG_PATTERN_TEST_ARRAY(E1000_RA, ((i << 1) + 1), mask,
 953				       0xFFFFFFFF);
 954		/* reset index to actual value */
 955		if ((mac->type == e1000_pch2lan) && (i > 6))
 956			i -= 6;
 957	}
 958
 959	for (i = 0; i < mac->mta_reg_count; i++)
 960		REG_PATTERN_TEST_ARRAY(E1000_MTA, i, 0xFFFFFFFF, 0xFFFFFFFF);
 961
 962	*data = 0;
 963
 964	return 0;
 965}
 966
 967static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data)
 968{
 969	u16 temp;
 970	u16 checksum = 0;
 971	u16 i;
 972
 973	*data = 0;
 974	/* Read and add up the contents of the EEPROM */
 975	for (i = 0; i < (NVM_CHECKSUM_REG + 1); i++) {
 976		if ((e1000_read_nvm(&adapter->hw, i, 1, &temp)) < 0) {
 977			*data = 1;
 978			return *data;
 979		}
 980		checksum += temp;
 981	}
 982
 983	/* If Checksum is not Correct return error else test passed */
 984	if ((checksum != (u16)NVM_SUM) && !(*data))
 985		*data = 2;
 986
 987	return *data;
 988}
 989
 990static irqreturn_t e1000_test_intr(int __always_unused irq, void *data)
 991{
 992	struct net_device *netdev = (struct net_device *)data;
 993	struct e1000_adapter *adapter = netdev_priv(netdev);
 994	struct e1000_hw *hw = &adapter->hw;
 995
 996	adapter->test_icr |= er32(ICR);
 997
 998	return IRQ_HANDLED;
 999}
1000
1001static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data)
1002{
1003	struct net_device *netdev = adapter->netdev;
1004	struct e1000_hw *hw = &adapter->hw;
1005	u32 mask;
1006	u32 shared_int = 1;
1007	u32 irq = adapter->pdev->irq;
1008	int i;
1009	int ret_val = 0;
1010	int int_mode = E1000E_INT_MODE_LEGACY;
1011
1012	*data = 0;
1013
1014	/* NOTE: we don't test MSI/MSI-X interrupts here, yet */
1015	if (adapter->int_mode == E1000E_INT_MODE_MSIX) {
1016		int_mode = adapter->int_mode;
1017		e1000e_reset_interrupt_capability(adapter);
1018		adapter->int_mode = E1000E_INT_MODE_LEGACY;
1019		e1000e_set_interrupt_capability(adapter);
1020	}
1021	/* Hook up test interrupt handler just for this test */
1022	if (!request_irq(irq, e1000_test_intr, IRQF_PROBE_SHARED, netdev->name,
1023			 netdev)) {
1024		shared_int = 0;
1025	} else if (request_irq(irq, e1000_test_intr, IRQF_SHARED, netdev->name,
1026			       netdev)) {
1027		*data = 1;
1028		ret_val = -1;
1029		goto out;
1030	}
1031	e_info("testing %s interrupt\n", (shared_int ? "shared" : "unshared"));
1032
1033	/* Disable all the interrupts */
1034	ew32(IMC, 0xFFFFFFFF);
1035	e1e_flush();
1036	usleep_range(10000, 20000);
1037
1038	/* Test each interrupt */
1039	for (i = 0; i < 10; i++) {
1040		/* Interrupt to test */
1041		mask = BIT(i);
1042
1043		if (adapter->flags & FLAG_IS_ICH) {
1044			switch (mask) {
1045			case E1000_ICR_RXSEQ:
1046				continue;
1047			case 0x00000100:
1048				if (adapter->hw.mac.type == e1000_ich8lan ||
1049				    adapter->hw.mac.type == e1000_ich9lan)
1050					continue;
1051				break;
1052			default:
1053				break;
1054			}
1055		}
1056
1057		if (!shared_int) {
1058			/* Disable the interrupt to be reported in
1059			 * the cause register and then force the same
1060			 * interrupt and see if one gets posted.  If
1061			 * an interrupt was posted to the bus, the
1062			 * test failed.
1063			 */
1064			adapter->test_icr = 0;
1065			ew32(IMC, mask);
1066			ew32(ICS, mask);
1067			e1e_flush();
1068			usleep_range(10000, 20000);
1069
1070			if (adapter->test_icr & mask) {
1071				*data = 3;
1072				break;
1073			}
1074		}
1075
1076		/* Enable the interrupt to be reported in
1077		 * the cause register and then force the same
1078		 * interrupt and see if one gets posted.  If
1079		 * an interrupt was not posted to the bus, the
1080		 * test failed.
1081		 */
1082		adapter->test_icr = 0;
1083		ew32(IMS, mask);
1084		ew32(ICS, mask);
1085		e1e_flush();
1086		usleep_range(10000, 20000);
1087
1088		if (!(adapter->test_icr & mask)) {
1089			*data = 4;
1090			break;
1091		}
1092
1093		if (!shared_int) {
1094			/* Disable the other interrupts to be reported in
1095			 * the cause register and then force the other
1096			 * interrupts and see if any get posted.  If
1097			 * an interrupt was posted to the bus, the
1098			 * test failed.
1099			 */
1100			adapter->test_icr = 0;
1101			ew32(IMC, ~mask & 0x00007FFF);
1102			ew32(ICS, ~mask & 0x00007FFF);
1103			e1e_flush();
1104			usleep_range(10000, 20000);
1105
1106			if (adapter->test_icr) {
1107				*data = 5;
1108				break;
1109			}
1110		}
1111	}
1112
1113	/* Disable all the interrupts */
1114	ew32(IMC, 0xFFFFFFFF);
1115	e1e_flush();
1116	usleep_range(10000, 20000);
1117
1118	/* Unhook test interrupt handler */
1119	free_irq(irq, netdev);
1120
1121out:
1122	if (int_mode == E1000E_INT_MODE_MSIX) {
1123		e1000e_reset_interrupt_capability(adapter);
1124		adapter->int_mode = int_mode;
1125		e1000e_set_interrupt_capability(adapter);
1126	}
1127
1128	return ret_val;
1129}
1130
1131static void e1000_free_desc_rings(struct e1000_adapter *adapter)
1132{
1133	struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1134	struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1135	struct pci_dev *pdev = adapter->pdev;
1136	struct e1000_buffer *buffer_info;
1137	int i;
1138
1139	if (tx_ring->desc && tx_ring->buffer_info) {
1140		for (i = 0; i < tx_ring->count; i++) {
1141			buffer_info = &tx_ring->buffer_info[i];
1142
1143			if (buffer_info->dma)
1144				dma_unmap_single(&pdev->dev,
1145						 buffer_info->dma,
1146						 buffer_info->length,
1147						 DMA_TO_DEVICE);
1148			if (buffer_info->skb)
1149				dev_kfree_skb(buffer_info->skb);
1150		}
1151	}
1152
1153	if (rx_ring->desc && rx_ring->buffer_info) {
1154		for (i = 0; i < rx_ring->count; i++) {
1155			buffer_info = &rx_ring->buffer_info[i];
1156
1157			if (buffer_info->dma)
1158				dma_unmap_single(&pdev->dev,
1159						 buffer_info->dma,
1160						 2048, DMA_FROM_DEVICE);
1161			if (buffer_info->skb)
1162				dev_kfree_skb(buffer_info->skb);
1163		}
1164	}
1165
1166	if (tx_ring->desc) {
1167		dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc,
1168				  tx_ring->dma);
1169		tx_ring->desc = NULL;
1170	}
1171	if (rx_ring->desc) {
1172		dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc,
1173				  rx_ring->dma);
1174		rx_ring->desc = NULL;
1175	}
1176
1177	kfree(tx_ring->buffer_info);
1178	tx_ring->buffer_info = NULL;
1179	kfree(rx_ring->buffer_info);
1180	rx_ring->buffer_info = NULL;
1181}
1182
1183static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
1184{
1185	struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1186	struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1187	struct pci_dev *pdev = adapter->pdev;
1188	struct e1000_hw *hw = &adapter->hw;
1189	u32 rctl;
1190	int i;
1191	int ret_val;
1192
1193	/* Setup Tx descriptor ring and Tx buffers */
1194
1195	if (!tx_ring->count)
1196		tx_ring->count = E1000_DEFAULT_TXD;
1197
1198	tx_ring->buffer_info = kcalloc(tx_ring->count,
1199				       sizeof(struct e1000_buffer), GFP_KERNEL);
1200	if (!tx_ring->buffer_info) {
1201		ret_val = 1;
1202		goto err_nomem;
1203	}
1204
1205	tx_ring->size = tx_ring->count * sizeof(struct e1000_tx_desc);
1206	tx_ring->size = ALIGN(tx_ring->size, 4096);
1207	tx_ring->desc = dma_alloc_coherent(&pdev->dev, tx_ring->size,
1208					   &tx_ring->dma, GFP_KERNEL);
1209	if (!tx_ring->desc) {
1210		ret_val = 2;
1211		goto err_nomem;
1212	}
1213	tx_ring->next_to_use = 0;
1214	tx_ring->next_to_clean = 0;
1215
1216	ew32(TDBAL(0), ((u64)tx_ring->dma & 0x00000000FFFFFFFF));
1217	ew32(TDBAH(0), ((u64)tx_ring->dma >> 32));
1218	ew32(TDLEN(0), tx_ring->count * sizeof(struct e1000_tx_desc));
1219	ew32(TDH(0), 0);
1220	ew32(TDT(0), 0);
1221	ew32(TCTL, E1000_TCTL_PSP | E1000_TCTL_EN | E1000_TCTL_MULR |
1222	     E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
1223	     E1000_COLLISION_DISTANCE << E1000_COLD_SHIFT);
1224
1225	for (i = 0; i < tx_ring->count; i++) {
1226		struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*tx_ring, i);
1227		struct sk_buff *skb;
1228		unsigned int skb_size = 1024;
1229
1230		skb = alloc_skb(skb_size, GFP_KERNEL);
1231		if (!skb) {
1232			ret_val = 3;
1233			goto err_nomem;
1234		}
1235		skb_put(skb, skb_size);
1236		tx_ring->buffer_info[i].skb = skb;
1237		tx_ring->buffer_info[i].length = skb->len;
1238		tx_ring->buffer_info[i].dma =
1239		    dma_map_single(&pdev->dev, skb->data, skb->len,
1240				   DMA_TO_DEVICE);
1241		if (dma_mapping_error(&pdev->dev,
1242				      tx_ring->buffer_info[i].dma)) {
1243			ret_val = 4;
1244			goto err_nomem;
1245		}
1246		tx_desc->buffer_addr = cpu_to_le64(tx_ring->buffer_info[i].dma);
1247		tx_desc->lower.data = cpu_to_le32(skb->len);
1248		tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
1249						   E1000_TXD_CMD_IFCS |
1250						   E1000_TXD_CMD_RS);
1251		tx_desc->upper.data = 0;
1252	}
1253
1254	/* Setup Rx descriptor ring and Rx buffers */
1255
1256	if (!rx_ring->count)
1257		rx_ring->count = E1000_DEFAULT_RXD;
1258
1259	rx_ring->buffer_info = kcalloc(rx_ring->count,
1260				       sizeof(struct e1000_buffer), GFP_KERNEL);
1261	if (!rx_ring->buffer_info) {
1262		ret_val = 5;
1263		goto err_nomem;
1264	}
1265
1266	rx_ring->size = rx_ring->count * sizeof(union e1000_rx_desc_extended);
1267	rx_ring->desc = dma_alloc_coherent(&pdev->dev, rx_ring->size,
1268					   &rx_ring->dma, GFP_KERNEL);
1269	if (!rx_ring->desc) {
1270		ret_val = 6;
1271		goto err_nomem;
1272	}
1273	rx_ring->next_to_use = 0;
1274	rx_ring->next_to_clean = 0;
1275
1276	rctl = er32(RCTL);
1277	if (!(adapter->flags2 & FLAG2_NO_DISABLE_RX))
1278		ew32(RCTL, rctl & ~E1000_RCTL_EN);
1279	ew32(RDBAL(0), ((u64)rx_ring->dma & 0xFFFFFFFF));
1280	ew32(RDBAH(0), ((u64)rx_ring->dma >> 32));
1281	ew32(RDLEN(0), rx_ring->size);
1282	ew32(RDH(0), 0);
1283	ew32(RDT(0), 0);
1284	rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
1285	    E1000_RCTL_UPE | E1000_RCTL_MPE | E1000_RCTL_LPE |
1286	    E1000_RCTL_SBP | E1000_RCTL_SECRC |
1287	    E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
1288	    (adapter->hw.mac.mc_filter_type << E1000_RCTL_MO_SHIFT);
1289	ew32(RCTL, rctl);
1290
1291	for (i = 0; i < rx_ring->count; i++) {
1292		union e1000_rx_desc_extended *rx_desc;
1293		struct sk_buff *skb;
1294
1295		skb = alloc_skb(2048 + NET_IP_ALIGN, GFP_KERNEL);
1296		if (!skb) {
1297			ret_val = 7;
1298			goto err_nomem;
1299		}
1300		skb_reserve(skb, NET_IP_ALIGN);
1301		rx_ring->buffer_info[i].skb = skb;
1302		rx_ring->buffer_info[i].dma =
1303		    dma_map_single(&pdev->dev, skb->data, 2048,
1304				   DMA_FROM_DEVICE);
1305		if (dma_mapping_error(&pdev->dev,
1306				      rx_ring->buffer_info[i].dma)) {
1307			ret_val = 8;
1308			goto err_nomem;
1309		}
1310		rx_desc = E1000_RX_DESC_EXT(*rx_ring, i);
1311		rx_desc->read.buffer_addr =
1312		    cpu_to_le64(rx_ring->buffer_info[i].dma);
1313		memset(skb->data, 0x00, skb->len);
1314	}
1315
1316	return 0;
1317
1318err_nomem:
1319	e1000_free_desc_rings(adapter);
1320	return ret_val;
1321}
1322
1323static void e1000_phy_disable_receiver(struct e1000_adapter *adapter)
1324{
1325	/* Write out to PHY registers 29 and 30 to disable the Receiver. */
1326	e1e_wphy(&adapter->hw, 29, 0x001F);
1327	e1e_wphy(&adapter->hw, 30, 0x8FFC);
1328	e1e_wphy(&adapter->hw, 29, 0x001A);
1329	e1e_wphy(&adapter->hw, 30, 0x8FF0);
1330}
1331
1332static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
1333{
1334	struct e1000_hw *hw = &adapter->hw;
1335	u32 ctrl_reg = 0;
1336	u16 phy_reg = 0;
1337	s32 ret_val = 0;
1338
1339	hw->mac.autoneg = 0;
1340
1341	if (hw->phy.type == e1000_phy_ife) {
1342		/* force 100, set loopback */
1343		e1e_wphy(hw, MII_BMCR, 0x6100);
1344
1345		/* Now set up the MAC to the same speed/duplex as the PHY. */
1346		ctrl_reg = er32(CTRL);
1347		ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1348		ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1349			     E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1350			     E1000_CTRL_SPD_100 |/* Force Speed to 100 */
1351			     E1000_CTRL_FD);	 /* Force Duplex to FULL */
1352
1353		ew32(CTRL, ctrl_reg);
1354		e1e_flush();
1355		usleep_range(500, 1000);
1356
1357		return 0;
1358	}
1359
1360	/* Specific PHY configuration for loopback */
1361	switch (hw->phy.type) {
1362	case e1000_phy_m88:
1363		/* Auto-MDI/MDIX Off */
1364		e1e_wphy(hw, M88E1000_PHY_SPEC_CTRL, 0x0808);
1365		/* reset to update Auto-MDI/MDIX */
1366		e1e_wphy(hw, MII_BMCR, 0x9140);
1367		/* autoneg off */
1368		e1e_wphy(hw, MII_BMCR, 0x8140);
1369		break;
1370	case e1000_phy_gg82563:
1371		e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x1CC);
1372		break;
1373	case e1000_phy_bm:
1374		/* Set Default MAC Interface speed to 1GB */
1375		e1e_rphy(hw, PHY_REG(2, 21), &phy_reg);
1376		phy_reg &= ~0x0007;
1377		phy_reg |= 0x006;
1378		e1e_wphy(hw, PHY_REG(2, 21), phy_reg);
1379		/* Assert SW reset for above settings to take effect */
1380		hw->phy.ops.commit(hw);
1381		usleep_range(1000, 2000);
1382		/* Force Full Duplex */
1383		e1e_rphy(hw, PHY_REG(769, 16), &phy_reg);
1384		e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x000C);
1385		/* Set Link Up (in force link) */
1386		e1e_rphy(hw, PHY_REG(776, 16), &phy_reg);
1387		e1e_wphy(hw, PHY_REG(776, 16), phy_reg | 0x0040);
1388		/* Force Link */
1389		e1e_rphy(hw, PHY_REG(769, 16), &phy_reg);
1390		e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x0040);
1391		/* Set Early Link Enable */
1392		e1e_rphy(hw, PHY_REG(769, 20), &phy_reg);
1393		e1e_wphy(hw, PHY_REG(769, 20), phy_reg | 0x0400);
1394		break;
1395	case e1000_phy_82577:
1396	case e1000_phy_82578:
1397		/* Workaround: K1 must be disabled for stable 1Gbps operation */
1398		ret_val = hw->phy.ops.acquire(hw);
1399		if (ret_val) {
1400			e_err("Cannot setup 1Gbps loopback.\n");
1401			return ret_val;
1402		}
1403		e1000_configure_k1_ich8lan(hw, false);
1404		hw->phy.ops.release(hw);
1405		break;
1406	case e1000_phy_82579:
1407		/* Disable PHY energy detect power down */
1408		e1e_rphy(hw, PHY_REG(0, 21), &phy_reg);
1409		e1e_wphy(hw, PHY_REG(0, 21), phy_reg & ~BIT(3));
1410		/* Disable full chip energy detect */
1411		e1e_rphy(hw, PHY_REG(776, 18), &phy_reg);
1412		e1e_wphy(hw, PHY_REG(776, 18), phy_reg | 1);
1413		/* Enable loopback on the PHY */
1414		e1e_wphy(hw, I82577_PHY_LBK_CTRL, 0x8001);
1415		break;
1416	default:
1417		break;
1418	}
1419
1420	/* force 1000, set loopback */
1421	e1e_wphy(hw, MII_BMCR, 0x4140);
1422	msleep(250);
1423
1424	/* Now set up the MAC to the same speed/duplex as the PHY. */
1425	ctrl_reg = er32(CTRL);
1426	ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1427	ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1428		     E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1429		     E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
1430		     E1000_CTRL_FD);	 /* Force Duplex to FULL */
1431
1432	if (adapter->flags & FLAG_IS_ICH)
1433		ctrl_reg |= E1000_CTRL_SLU;	/* Set Link Up */
1434
1435	if (hw->phy.media_type == e1000_media_type_copper &&
1436	    hw->phy.type == e1000_phy_m88) {
1437		ctrl_reg |= E1000_CTRL_ILOS;	/* Invert Loss of Signal */
1438	} else {
1439		/* Set the ILOS bit on the fiber Nic if half duplex link is
1440		 * detected.
1441		 */
1442		if ((er32(STATUS) & E1000_STATUS_FD) == 0)
1443			ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
1444	}
1445
1446	ew32(CTRL, ctrl_reg);
1447
1448	/* Disable the receiver on the PHY so when a cable is plugged in, the
1449	 * PHY does not begin to autoneg when a cable is reconnected to the NIC.
1450	 */
1451	if (hw->phy.type == e1000_phy_m88)
1452		e1000_phy_disable_receiver(adapter);
1453
1454	usleep_range(500, 1000);
1455
1456	return 0;
1457}
1458
1459static int e1000_set_82571_fiber_loopback(struct e1000_adapter *adapter)
1460{
1461	struct e1000_hw *hw = &adapter->hw;
1462	u32 ctrl = er32(CTRL);
1463	int link;
1464
1465	/* special requirements for 82571/82572 fiber adapters */
1466
1467	/* jump through hoops to make sure link is up because serdes
1468	 * link is hardwired up
1469	 */
1470	ctrl |= E1000_CTRL_SLU;
1471	ew32(CTRL, ctrl);
1472
1473	/* disable autoneg */
1474	ctrl = er32(TXCW);
1475	ctrl &= ~BIT(31);
1476	ew32(TXCW, ctrl);
1477
1478	link = (er32(STATUS) & E1000_STATUS_LU);
1479
1480	if (!link) {
1481		/* set invert loss of signal */
1482		ctrl = er32(CTRL);
1483		ctrl |= E1000_CTRL_ILOS;
1484		ew32(CTRL, ctrl);
1485	}
1486
1487	/* special write to serdes control register to enable SerDes analog
1488	 * loopback
1489	 */
1490	ew32(SCTL, E1000_SCTL_ENABLE_SERDES_LOOPBACK);
1491	e1e_flush();
1492	usleep_range(10000, 20000);
1493
1494	return 0;
1495}
1496
1497/* only call this for fiber/serdes connections to es2lan */
1498static int e1000_set_es2lan_mac_loopback(struct e1000_adapter *adapter)
1499{
1500	struct e1000_hw *hw = &adapter->hw;
1501	u32 ctrlext = er32(CTRL_EXT);
1502	u32 ctrl = er32(CTRL);
1503
1504	/* save CTRL_EXT to restore later, reuse an empty variable (unused
1505	 * on mac_type 80003es2lan)
1506	 */
1507	adapter->tx_fifo_head = ctrlext;
1508
1509	/* clear the serdes mode bits, putting the device into mac loopback */
1510	ctrlext &= ~E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES;
1511	ew32(CTRL_EXT, ctrlext);
1512
1513	/* force speed to 1000/FD, link up */
1514	ctrl &= ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100);
1515	ctrl |= (E1000_CTRL_SLU | E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX |
1516		 E1000_CTRL_SPD_1000 | E1000_CTRL_FD);
1517	ew32(CTRL, ctrl);
1518
1519	/* set mac loopback */
1520	ctrl = er32(RCTL);
1521	ctrl |= E1000_RCTL_LBM_MAC;
1522	ew32(RCTL, ctrl);
1523
1524	/* set testing mode parameters (no need to reset later) */
1525#define KMRNCTRLSTA_OPMODE (0x1F << 16)
1526#define KMRNCTRLSTA_OPMODE_1GB_FD_GMII 0x0582
1527	ew32(KMRNCTRLSTA,
1528	     (KMRNCTRLSTA_OPMODE | KMRNCTRLSTA_OPMODE_1GB_FD_GMII));
1529
1530	return 0;
1531}
1532
1533static int e1000_setup_loopback_test(struct e1000_adapter *adapter)
1534{
1535	struct e1000_hw *hw = &adapter->hw;
1536	u32 rctl, fext_nvm11, tarc0;
1537
1538	if (hw->mac.type >= e1000_pch_spt) {
1539		fext_nvm11 = er32(FEXTNVM11);
1540		fext_nvm11 |= E1000_FEXTNVM11_DISABLE_MULR_FIX;
1541		ew32(FEXTNVM11, fext_nvm11);
1542		tarc0 = er32(TARC(0));
1543		/* clear bits 28 & 29 (control of MULR concurrent requests) */
1544		tarc0 &= 0xcfffffff;
1545		/* set bit 29 (value of MULR requests is now 2) */
1546		tarc0 |= 0x20000000;
1547		ew32(TARC(0), tarc0);
1548	}
1549	if (hw->phy.media_type == e1000_media_type_fiber ||
1550	    hw->phy.media_type == e1000_media_type_internal_serdes) {
1551		switch (hw->mac.type) {
1552		case e1000_80003es2lan:
1553			return e1000_set_es2lan_mac_loopback(adapter);
 
1554		case e1000_82571:
1555		case e1000_82572:
1556			return e1000_set_82571_fiber_loopback(adapter);
 
1557		default:
1558			rctl = er32(RCTL);
1559			rctl |= E1000_RCTL_LBM_TCVR;
1560			ew32(RCTL, rctl);
1561			return 0;
1562		}
1563	} else if (hw->phy.media_type == e1000_media_type_copper) {
1564		return e1000_integrated_phy_loopback(adapter);
1565	}
1566
1567	return 7;
1568}
1569
1570static void e1000_loopback_cleanup(struct e1000_adapter *adapter)
1571{
1572	struct e1000_hw *hw = &adapter->hw;
1573	u32 rctl, fext_nvm11, tarc0;
1574	u16 phy_reg;
1575
1576	rctl = er32(RCTL);
1577	rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
1578	ew32(RCTL, rctl);
1579
1580	switch (hw->mac.type) {
1581	case e1000_pch_spt:
1582	case e1000_pch_cnp:
1583		fext_nvm11 = er32(FEXTNVM11);
1584		fext_nvm11 &= ~E1000_FEXTNVM11_DISABLE_MULR_FIX;
1585		ew32(FEXTNVM11, fext_nvm11);
1586		tarc0 = er32(TARC(0));
1587		/* clear bits 28 & 29 (control of MULR concurrent requests) */
1588		/* set bit 29 (value of MULR requests is now 0) */
1589		tarc0 &= 0xcfffffff;
1590		ew32(TARC(0), tarc0);
1591		/* fall through */
1592	case e1000_80003es2lan:
1593		if (hw->phy.media_type == e1000_media_type_fiber ||
1594		    hw->phy.media_type == e1000_media_type_internal_serdes) {
1595			/* restore CTRL_EXT, stealing space from tx_fifo_head */
1596			ew32(CTRL_EXT, adapter->tx_fifo_head);
1597			adapter->tx_fifo_head = 0;
1598		}
1599		/* fall through */
1600	case e1000_82571:
1601	case e1000_82572:
1602		if (hw->phy.media_type == e1000_media_type_fiber ||
1603		    hw->phy.media_type == e1000_media_type_internal_serdes) {
1604			ew32(SCTL, E1000_SCTL_DISABLE_SERDES_LOOPBACK);
1605			e1e_flush();
1606			usleep_range(10000, 20000);
1607			break;
1608		}
1609		/* Fall Through */
1610	default:
1611		hw->mac.autoneg = 1;
1612		if (hw->phy.type == e1000_phy_gg82563)
1613			e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x180);
1614		e1e_rphy(hw, MII_BMCR, &phy_reg);
1615		if (phy_reg & BMCR_LOOPBACK) {
1616			phy_reg &= ~BMCR_LOOPBACK;
1617			e1e_wphy(hw, MII_BMCR, phy_reg);
1618			if (hw->phy.ops.commit)
1619				hw->phy.ops.commit(hw);
1620		}
1621		break;
1622	}
1623}
1624
1625static void e1000_create_lbtest_frame(struct sk_buff *skb,
1626				      unsigned int frame_size)
1627{
1628	memset(skb->data, 0xFF, frame_size);
1629	frame_size &= ~1;
1630	memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1631	memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
1632	memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
1633}
1634
1635static int e1000_check_lbtest_frame(struct sk_buff *skb,
1636				    unsigned int frame_size)
1637{
1638	frame_size &= ~1;
1639	if (*(skb->data + 3) == 0xFF)
1640		if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
1641		    (*(skb->data + frame_size / 2 + 12) == 0xAF))
1642			return 0;
1643	return 13;
1644}
1645
1646static int e1000_run_loopback_test(struct e1000_adapter *adapter)
1647{
1648	struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1649	struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1650	struct pci_dev *pdev = adapter->pdev;
1651	struct e1000_hw *hw = &adapter->hw;
1652	struct e1000_buffer *buffer_info;
1653	int i, j, k, l;
1654	int lc;
1655	int good_cnt;
1656	int ret_val = 0;
1657	unsigned long time;
1658
1659	ew32(RDT(0), rx_ring->count - 1);
1660
1661	/* Calculate the loop count based on the largest descriptor ring
1662	 * The idea is to wrap the largest ring a number of times using 64
1663	 * send/receive pairs during each loop
1664	 */
1665
1666	if (rx_ring->count <= tx_ring->count)
1667		lc = ((tx_ring->count / 64) * 2) + 1;
1668	else
1669		lc = ((rx_ring->count / 64) * 2) + 1;
1670
1671	k = 0;
1672	l = 0;
1673	/* loop count loop */
1674	for (j = 0; j <= lc; j++) {
1675		/* send the packets */
1676		for (i = 0; i < 64; i++) {
1677			buffer_info = &tx_ring->buffer_info[k];
1678
1679			e1000_create_lbtest_frame(buffer_info->skb, 1024);
1680			dma_sync_single_for_device(&pdev->dev,
1681						   buffer_info->dma,
1682						   buffer_info->length,
1683						   DMA_TO_DEVICE);
1684			k++;
1685			if (k == tx_ring->count)
1686				k = 0;
1687		}
1688		ew32(TDT(0), k);
1689		e1e_flush();
1690		msleep(200);
1691		time = jiffies;	/* set the start time for the receive */
1692		good_cnt = 0;
1693		/* receive the sent packets */
1694		do {
1695			buffer_info = &rx_ring->buffer_info[l];
1696
1697			dma_sync_single_for_cpu(&pdev->dev,
1698						buffer_info->dma, 2048,
1699						DMA_FROM_DEVICE);
1700
1701			ret_val = e1000_check_lbtest_frame(buffer_info->skb,
1702							   1024);
1703			if (!ret_val)
1704				good_cnt++;
1705			l++;
1706			if (l == rx_ring->count)
1707				l = 0;
1708			/* time + 20 msecs (200 msecs on 2.4) is more than
1709			 * enough time to complete the receives, if it's
1710			 * exceeded, break and error off
1711			 */
1712		} while ((good_cnt < 64) && !time_after(jiffies, time + 20));
1713		if (good_cnt != 64) {
1714			ret_val = 13;	/* ret_val is the same as mis-compare */
1715			break;
1716		}
1717		if (time_after(jiffies, time + 20)) {
1718			ret_val = 14;	/* error code for time out error */
1719			break;
1720		}
1721	}
1722	return ret_val;
1723}
1724
1725static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data)
1726{
1727	struct e1000_hw *hw = &adapter->hw;
1728
1729	/* PHY loopback cannot be performed if SoL/IDER sessions are active */
1730	if (hw->phy.ops.check_reset_block &&
1731	    hw->phy.ops.check_reset_block(hw)) {
1732		e_err("Cannot do PHY loopback test when SoL/IDER is active.\n");
1733		*data = 0;
1734		goto out;
1735	}
1736
1737	*data = e1000_setup_desc_rings(adapter);
1738	if (*data)
1739		goto out;
1740
1741	*data = e1000_setup_loopback_test(adapter);
1742	if (*data)
1743		goto err_loopback;
1744
1745	*data = e1000_run_loopback_test(adapter);
1746	e1000_loopback_cleanup(adapter);
1747
1748err_loopback:
1749	e1000_free_desc_rings(adapter);
1750out:
1751	return *data;
1752}
1753
1754static int e1000_link_test(struct e1000_adapter *adapter, u64 *data)
1755{
1756	struct e1000_hw *hw = &adapter->hw;
1757
1758	*data = 0;
1759	if (hw->phy.media_type == e1000_media_type_internal_serdes) {
1760		int i = 0;
1761
1762		hw->mac.serdes_has_link = false;
1763
1764		/* On some blade server designs, link establishment
1765		 * could take as long as 2-3 minutes
1766		 */
1767		do {
1768			hw->mac.ops.check_for_link(hw);
1769			if (hw->mac.serdes_has_link)
1770				return *data;
1771			msleep(20);
1772		} while (i++ < 3750);
1773
1774		*data = 1;
1775	} else {
1776		hw->mac.ops.check_for_link(hw);
1777		if (hw->mac.autoneg)
1778			/* On some Phy/switch combinations, link establishment
1779			 * can take a few seconds more than expected.
1780			 */
1781			msleep_interruptible(5000);
1782
1783		if (!(er32(STATUS) & E1000_STATUS_LU))
1784			*data = 1;
1785	}
1786	return *data;
1787}
1788
1789static int e1000e_get_sset_count(struct net_device __always_unused *netdev,
1790				 int sset)
1791{
1792	switch (sset) {
1793	case ETH_SS_TEST:
1794		return E1000_TEST_LEN;
1795	case ETH_SS_STATS:
1796		return E1000_STATS_LEN;
1797	default:
1798		return -EOPNOTSUPP;
1799	}
1800}
1801
1802static void e1000_diag_test(struct net_device *netdev,
1803			    struct ethtool_test *eth_test, u64 *data)
1804{
1805	struct e1000_adapter *adapter = netdev_priv(netdev);
1806	u16 autoneg_advertised;
1807	u8 forced_speed_duplex;
1808	u8 autoneg;
1809	bool if_running = netif_running(netdev);
1810
1811	pm_runtime_get_sync(netdev->dev.parent);
1812
1813	set_bit(__E1000_TESTING, &adapter->state);
1814
1815	if (!if_running) {
1816		/* Get control of and reset hardware */
1817		if (adapter->flags & FLAG_HAS_AMT)
1818			e1000e_get_hw_control(adapter);
1819
1820		e1000e_power_up_phy(adapter);
1821
1822		adapter->hw.phy.autoneg_wait_to_complete = 1;
1823		e1000e_reset(adapter);
1824		adapter->hw.phy.autoneg_wait_to_complete = 0;
1825	}
1826
1827	if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1828		/* Offline tests */
1829
1830		/* save speed, duplex, autoneg settings */
1831		autoneg_advertised = adapter->hw.phy.autoneg_advertised;
1832		forced_speed_duplex = adapter->hw.mac.forced_speed_duplex;
1833		autoneg = adapter->hw.mac.autoneg;
1834
1835		e_info("offline testing starting\n");
1836
1837		if (if_running)
1838			/* indicate we're in test mode */
1839			e1000e_close(netdev);
1840
1841		if (e1000_reg_test(adapter, &data[0]))
1842			eth_test->flags |= ETH_TEST_FL_FAILED;
1843
1844		e1000e_reset(adapter);
1845		if (e1000_eeprom_test(adapter, &data[1]))
1846			eth_test->flags |= ETH_TEST_FL_FAILED;
1847
1848		e1000e_reset(adapter);
1849		if (e1000_intr_test(adapter, &data[2]))
1850			eth_test->flags |= ETH_TEST_FL_FAILED;
1851
1852		e1000e_reset(adapter);
1853		if (e1000_loopback_test(adapter, &data[3]))
1854			eth_test->flags |= ETH_TEST_FL_FAILED;
1855
1856		/* force this routine to wait until autoneg complete/timeout */
1857		adapter->hw.phy.autoneg_wait_to_complete = 1;
1858		e1000e_reset(adapter);
1859		adapter->hw.phy.autoneg_wait_to_complete = 0;
1860
1861		if (e1000_link_test(adapter, &data[4]))
1862			eth_test->flags |= ETH_TEST_FL_FAILED;
1863
1864		/* restore speed, duplex, autoneg settings */
1865		adapter->hw.phy.autoneg_advertised = autoneg_advertised;
1866		adapter->hw.mac.forced_speed_duplex = forced_speed_duplex;
1867		adapter->hw.mac.autoneg = autoneg;
1868		e1000e_reset(adapter);
1869
1870		clear_bit(__E1000_TESTING, &adapter->state);
1871		if (if_running)
1872			e1000e_open(netdev);
1873	} else {
1874		/* Online tests */
1875
1876		e_info("online testing starting\n");
1877
1878		/* register, eeprom, intr and loopback tests not run online */
1879		data[0] = 0;
1880		data[1] = 0;
1881		data[2] = 0;
1882		data[3] = 0;
1883
1884		if (e1000_link_test(adapter, &data[4]))
1885			eth_test->flags |= ETH_TEST_FL_FAILED;
1886
1887		clear_bit(__E1000_TESTING, &adapter->state);
1888	}
1889
1890	if (!if_running) {
1891		e1000e_reset(adapter);
1892
1893		if (adapter->flags & FLAG_HAS_AMT)
1894			e1000e_release_hw_control(adapter);
1895	}
1896
1897	msleep_interruptible(4 * 1000);
1898
1899	pm_runtime_put_sync(netdev->dev.parent);
1900}
1901
1902static void e1000_get_wol(struct net_device *netdev,
1903			  struct ethtool_wolinfo *wol)
1904{
1905	struct e1000_adapter *adapter = netdev_priv(netdev);
1906
1907	wol->supported = 0;
1908	wol->wolopts = 0;
1909
1910	if (!(adapter->flags & FLAG_HAS_WOL) ||
1911	    !device_can_wakeup(&adapter->pdev->dev))
1912		return;
1913
1914	wol->supported = WAKE_UCAST | WAKE_MCAST |
1915	    WAKE_BCAST | WAKE_MAGIC | WAKE_PHY;
1916
1917	/* apply any specific unsupported masks here */
1918	if (adapter->flags & FLAG_NO_WAKE_UCAST) {
1919		wol->supported &= ~WAKE_UCAST;
1920
1921		if (adapter->wol & E1000_WUFC_EX)
1922			e_err("Interface does not support directed (unicast) frame wake-up packets\n");
1923	}
1924
1925	if (adapter->wol & E1000_WUFC_EX)
1926		wol->wolopts |= WAKE_UCAST;
1927	if (adapter->wol & E1000_WUFC_MC)
1928		wol->wolopts |= WAKE_MCAST;
1929	if (adapter->wol & E1000_WUFC_BC)
1930		wol->wolopts |= WAKE_BCAST;
1931	if (adapter->wol & E1000_WUFC_MAG)
1932		wol->wolopts |= WAKE_MAGIC;
1933	if (adapter->wol & E1000_WUFC_LNKC)
1934		wol->wolopts |= WAKE_PHY;
1935}
1936
1937static int e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1938{
1939	struct e1000_adapter *adapter = netdev_priv(netdev);
1940
1941	if (!(adapter->flags & FLAG_HAS_WOL) ||
1942	    !device_can_wakeup(&adapter->pdev->dev) ||
1943	    (wol->wolopts & ~(WAKE_UCAST | WAKE_MCAST | WAKE_BCAST |
1944			      WAKE_MAGIC | WAKE_PHY)))
1945		return -EOPNOTSUPP;
1946
1947	/* these settings will always override what we currently have */
1948	adapter->wol = 0;
1949
1950	if (wol->wolopts & WAKE_UCAST)
1951		adapter->wol |= E1000_WUFC_EX;
1952	if (wol->wolopts & WAKE_MCAST)
1953		adapter->wol |= E1000_WUFC_MC;
1954	if (wol->wolopts & WAKE_BCAST)
1955		adapter->wol |= E1000_WUFC_BC;
1956	if (wol->wolopts & WAKE_MAGIC)
1957		adapter->wol |= E1000_WUFC_MAG;
1958	if (wol->wolopts & WAKE_PHY)
1959		adapter->wol |= E1000_WUFC_LNKC;
1960
1961	device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
1962
1963	return 0;
1964}
1965
1966static int e1000_set_phys_id(struct net_device *netdev,
1967			     enum ethtool_phys_id_state state)
1968{
1969	struct e1000_adapter *adapter = netdev_priv(netdev);
1970	struct e1000_hw *hw = &adapter->hw;
1971
1972	switch (state) {
1973	case ETHTOOL_ID_ACTIVE:
1974		pm_runtime_get_sync(netdev->dev.parent);
1975
1976		if (!hw->mac.ops.blink_led)
1977			return 2;	/* cycle on/off twice per second */
1978
1979		hw->mac.ops.blink_led(hw);
1980		break;
1981
1982	case ETHTOOL_ID_INACTIVE:
1983		if (hw->phy.type == e1000_phy_ife)
1984			e1e_wphy(hw, IFE_PHY_SPECIAL_CONTROL_LED, 0);
1985		hw->mac.ops.led_off(hw);
1986		hw->mac.ops.cleanup_led(hw);
1987		pm_runtime_put_sync(netdev->dev.parent);
1988		break;
1989
1990	case ETHTOOL_ID_ON:
1991		hw->mac.ops.led_on(hw);
1992		break;
1993
1994	case ETHTOOL_ID_OFF:
1995		hw->mac.ops.led_off(hw);
1996		break;
1997	}
1998
1999	return 0;
2000}
2001
2002static int e1000_get_coalesce(struct net_device *netdev,
2003			      struct ethtool_coalesce *ec)
2004{
2005	struct e1000_adapter *adapter = netdev_priv(netdev);
2006
2007	if (adapter->itr_setting <= 4)
2008		ec->rx_coalesce_usecs = adapter->itr_setting;
2009	else
2010		ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting;
2011
2012	return 0;
2013}
2014
2015static int e1000_set_coalesce(struct net_device *netdev,
2016			      struct ethtool_coalesce *ec)
2017{
2018	struct e1000_adapter *adapter = netdev_priv(netdev);
2019
2020	if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) ||
2021	    ((ec->rx_coalesce_usecs > 4) &&
2022	     (ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) ||
2023	    (ec->rx_coalesce_usecs == 2))
2024		return -EINVAL;
2025
2026	if (ec->rx_coalesce_usecs == 4) {
2027		adapter->itr_setting = 4;
2028		adapter->itr = adapter->itr_setting;
2029	} else if (ec->rx_coalesce_usecs <= 3) {
2030		adapter->itr = 20000;
2031		adapter->itr_setting = ec->rx_coalesce_usecs;
2032	} else {
2033		adapter->itr = (1000000 / ec->rx_coalesce_usecs);
2034		adapter->itr_setting = adapter->itr & ~3;
2035	}
2036
2037	pm_runtime_get_sync(netdev->dev.parent);
2038
2039	if (adapter->itr_setting != 0)
2040		e1000e_write_itr(adapter, adapter->itr);
2041	else
2042		e1000e_write_itr(adapter, 0);
2043
2044	pm_runtime_put_sync(netdev->dev.parent);
2045
2046	return 0;
2047}
2048
2049static int e1000_nway_reset(struct net_device *netdev)
2050{
2051	struct e1000_adapter *adapter = netdev_priv(netdev);
2052
2053	if (!netif_running(netdev))
2054		return -EAGAIN;
2055
2056	if (!adapter->hw.mac.autoneg)
2057		return -EINVAL;
2058
2059	pm_runtime_get_sync(netdev->dev.parent);
2060	e1000e_reinit_locked(adapter);
2061	pm_runtime_put_sync(netdev->dev.parent);
2062
2063	return 0;
2064}
2065
2066static void e1000_get_ethtool_stats(struct net_device *netdev,
2067				    struct ethtool_stats __always_unused *stats,
2068				    u64 *data)
2069{
2070	struct e1000_adapter *adapter = netdev_priv(netdev);
2071	struct rtnl_link_stats64 net_stats;
2072	int i;
2073	char *p = NULL;
2074
2075	pm_runtime_get_sync(netdev->dev.parent);
2076
2077	dev_get_stats(netdev, &net_stats);
2078
2079	pm_runtime_put_sync(netdev->dev.parent);
2080
2081	for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
2082		switch (e1000_gstrings_stats[i].type) {
2083		case NETDEV_STATS:
2084			p = (char *)&net_stats +
2085			    e1000_gstrings_stats[i].stat_offset;
2086			break;
2087		case E1000_STATS:
2088			p = (char *)adapter +
2089			    e1000_gstrings_stats[i].stat_offset;
2090			break;
2091		default:
2092			data[i] = 0;
2093			continue;
2094		}
2095
2096		data[i] = (e1000_gstrings_stats[i].sizeof_stat ==
2097			   sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
2098	}
2099}
2100
2101static void e1000_get_strings(struct net_device __always_unused *netdev,
2102			      u32 stringset, u8 *data)
2103{
2104	u8 *p = data;
2105	int i;
2106
2107	switch (stringset) {
2108	case ETH_SS_TEST:
2109		memcpy(data, e1000_gstrings_test, sizeof(e1000_gstrings_test));
2110		break;
2111	case ETH_SS_STATS:
2112		for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
2113			memcpy(p, e1000_gstrings_stats[i].stat_string,
2114			       ETH_GSTRING_LEN);
2115			p += ETH_GSTRING_LEN;
2116		}
2117		break;
2118	}
2119}
2120
2121static int e1000_get_rxnfc(struct net_device *netdev,
2122			   struct ethtool_rxnfc *info,
2123			   u32 __always_unused *rule_locs)
2124{
2125	info->data = 0;
2126
2127	switch (info->cmd) {
2128	case ETHTOOL_GRXFH: {
2129		struct e1000_adapter *adapter = netdev_priv(netdev);
2130		struct e1000_hw *hw = &adapter->hw;
2131		u32 mrqc;
2132
2133		pm_runtime_get_sync(netdev->dev.parent);
2134		mrqc = er32(MRQC);
2135		pm_runtime_put_sync(netdev->dev.parent);
2136
2137		if (!(mrqc & E1000_MRQC_RSS_FIELD_MASK))
2138			return 0;
2139
2140		switch (info->flow_type) {
2141		case TCP_V4_FLOW:
2142			if (mrqc & E1000_MRQC_RSS_FIELD_IPV4_TCP)
2143				info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2144			/* fall through */
2145		case UDP_V4_FLOW:
2146		case SCTP_V4_FLOW:
2147		case AH_ESP_V4_FLOW:
2148		case IPV4_FLOW:
2149			if (mrqc & E1000_MRQC_RSS_FIELD_IPV4)
2150				info->data |= RXH_IP_SRC | RXH_IP_DST;
2151			break;
2152		case TCP_V6_FLOW:
2153			if (mrqc & E1000_MRQC_RSS_FIELD_IPV6_TCP)
2154				info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2155			/* fall through */
2156		case UDP_V6_FLOW:
2157		case SCTP_V6_FLOW:
2158		case AH_ESP_V6_FLOW:
2159		case IPV6_FLOW:
2160			if (mrqc & E1000_MRQC_RSS_FIELD_IPV6)
2161				info->data |= RXH_IP_SRC | RXH_IP_DST;
2162			break;
2163		default:
2164			break;
2165		}
2166		return 0;
2167	}
2168	default:
2169		return -EOPNOTSUPP;
2170	}
2171}
2172
2173static int e1000e_get_eee(struct net_device *netdev, struct ethtool_eee *edata)
2174{
2175	struct e1000_adapter *adapter = netdev_priv(netdev);
2176	struct e1000_hw *hw = &adapter->hw;
2177	u16 cap_addr, lpa_addr, pcs_stat_addr, phy_data;
2178	u32 ret_val;
2179
2180	if (!(adapter->flags2 & FLAG2_HAS_EEE))
2181		return -EOPNOTSUPP;
2182
2183	switch (hw->phy.type) {
2184	case e1000_phy_82579:
2185		cap_addr = I82579_EEE_CAPABILITY;
2186		lpa_addr = I82579_EEE_LP_ABILITY;
2187		pcs_stat_addr = I82579_EEE_PCS_STATUS;
2188		break;
2189	case e1000_phy_i217:
2190		cap_addr = I217_EEE_CAPABILITY;
2191		lpa_addr = I217_EEE_LP_ABILITY;
2192		pcs_stat_addr = I217_EEE_PCS_STATUS;
2193		break;
2194	default:
2195		return -EOPNOTSUPP;
2196	}
2197
2198	pm_runtime_get_sync(netdev->dev.parent);
2199
2200	ret_val = hw->phy.ops.acquire(hw);
2201	if (ret_val) {
2202		pm_runtime_put_sync(netdev->dev.parent);
2203		return -EBUSY;
2204	}
2205
2206	/* EEE Capability */
2207	ret_val = e1000_read_emi_reg_locked(hw, cap_addr, &phy_data);
2208	if (ret_val)
2209		goto release;
2210	edata->supported = mmd_eee_cap_to_ethtool_sup_t(phy_data);
2211
2212	/* EEE Advertised */
2213	edata->advertised = mmd_eee_adv_to_ethtool_adv_t(adapter->eee_advert);
2214
2215	/* EEE Link Partner Advertised */
2216	ret_val = e1000_read_emi_reg_locked(hw, lpa_addr, &phy_data);
2217	if (ret_val)
2218		goto release;
2219	edata->lp_advertised = mmd_eee_adv_to_ethtool_adv_t(phy_data);
2220
2221	/* EEE PCS Status */
2222	ret_val = e1000_read_emi_reg_locked(hw, pcs_stat_addr, &phy_data);
2223	if (ret_val)
2224		goto release;
2225	if (hw->phy.type == e1000_phy_82579)
2226		phy_data <<= 8;
2227
2228	/* Result of the EEE auto negotiation - there is no register that
2229	 * has the status of the EEE negotiation so do a best-guess based
2230	 * on whether Tx or Rx LPI indications have been received.
2231	 */
2232	if (phy_data & (E1000_EEE_TX_LPI_RCVD | E1000_EEE_RX_LPI_RCVD))
2233		edata->eee_active = true;
2234
2235	edata->eee_enabled = !hw->dev_spec.ich8lan.eee_disable;
2236	edata->tx_lpi_enabled = true;
2237	edata->tx_lpi_timer = er32(LPIC) >> E1000_LPIC_LPIET_SHIFT;
2238
2239release:
2240	hw->phy.ops.release(hw);
2241	if (ret_val)
2242		ret_val = -ENODATA;
2243
2244	pm_runtime_put_sync(netdev->dev.parent);
2245
2246	return ret_val;
2247}
2248
2249static int e1000e_set_eee(struct net_device *netdev, struct ethtool_eee *edata)
2250{
2251	struct e1000_adapter *adapter = netdev_priv(netdev);
2252	struct e1000_hw *hw = &adapter->hw;
2253	struct ethtool_eee eee_curr;
2254	s32 ret_val;
2255
2256	ret_val = e1000e_get_eee(netdev, &eee_curr);
2257	if (ret_val)
2258		return ret_val;
2259
2260	if (eee_curr.tx_lpi_enabled != edata->tx_lpi_enabled) {
2261		e_err("Setting EEE tx-lpi is not supported\n");
2262		return -EINVAL;
2263	}
2264
2265	if (eee_curr.tx_lpi_timer != edata->tx_lpi_timer) {
2266		e_err("Setting EEE Tx LPI timer is not supported\n");
2267		return -EINVAL;
2268	}
2269
2270	if (edata->advertised & ~(ADVERTISE_100_FULL | ADVERTISE_1000_FULL)) {
2271		e_err("EEE advertisement supports only 100TX and/or 1000T full-duplex\n");
2272		return -EINVAL;
2273	}
2274
2275	adapter->eee_advert = ethtool_adv_to_mmd_eee_adv_t(edata->advertised);
2276
2277	hw->dev_spec.ich8lan.eee_disable = !edata->eee_enabled;
2278
2279	pm_runtime_get_sync(netdev->dev.parent);
2280
2281	/* reset the link */
2282	if (netif_running(netdev))
2283		e1000e_reinit_locked(adapter);
2284	else
2285		e1000e_reset(adapter);
2286
2287	pm_runtime_put_sync(netdev->dev.parent);
2288
2289	return 0;
2290}
2291
2292static int e1000e_get_ts_info(struct net_device *netdev,
2293			      struct ethtool_ts_info *info)
2294{
2295	struct e1000_adapter *adapter = netdev_priv(netdev);
2296
2297	ethtool_op_get_ts_info(netdev, info);
2298
2299	if (!(adapter->flags & FLAG_HAS_HW_TIMESTAMP))
2300		return 0;
2301
2302	info->so_timestamping |= (SOF_TIMESTAMPING_TX_HARDWARE |
2303				  SOF_TIMESTAMPING_RX_HARDWARE |
2304				  SOF_TIMESTAMPING_RAW_HARDWARE);
2305
2306	info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON);
2307
2308	info->rx_filters = (BIT(HWTSTAMP_FILTER_NONE) |
2309			    BIT(HWTSTAMP_FILTER_PTP_V1_L4_SYNC) |
2310			    BIT(HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) |
2311			    BIT(HWTSTAMP_FILTER_PTP_V2_L4_SYNC) |
2312			    BIT(HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ) |
2313			    BIT(HWTSTAMP_FILTER_PTP_V2_L2_SYNC) |
2314			    BIT(HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ) |
2315			    BIT(HWTSTAMP_FILTER_PTP_V2_EVENT) |
2316			    BIT(HWTSTAMP_FILTER_PTP_V2_SYNC) |
2317			    BIT(HWTSTAMP_FILTER_PTP_V2_DELAY_REQ) |
2318			    BIT(HWTSTAMP_FILTER_ALL));
2319
2320	if (adapter->ptp_clock)
2321		info->phc_index = ptp_clock_index(adapter->ptp_clock);
2322
2323	return 0;
2324}
2325
2326static const struct ethtool_ops e1000_ethtool_ops = {
 
 
2327	.get_drvinfo		= e1000_get_drvinfo,
2328	.get_regs_len		= e1000_get_regs_len,
2329	.get_regs		= e1000_get_regs,
2330	.get_wol		= e1000_get_wol,
2331	.set_wol		= e1000_set_wol,
2332	.get_msglevel		= e1000_get_msglevel,
2333	.set_msglevel		= e1000_set_msglevel,
2334	.nway_reset		= e1000_nway_reset,
2335	.get_link		= ethtool_op_get_link,
2336	.get_eeprom_len		= e1000_get_eeprom_len,
2337	.get_eeprom		= e1000_get_eeprom,
2338	.set_eeprom		= e1000_set_eeprom,
2339	.get_ringparam		= e1000_get_ringparam,
2340	.set_ringparam		= e1000_set_ringparam,
2341	.get_pauseparam		= e1000_get_pauseparam,
2342	.set_pauseparam		= e1000_set_pauseparam,
2343	.self_test		= e1000_diag_test,
2344	.get_strings		= e1000_get_strings,
2345	.set_phys_id		= e1000_set_phys_id,
2346	.get_ethtool_stats	= e1000_get_ethtool_stats,
2347	.get_sset_count		= e1000e_get_sset_count,
2348	.get_coalesce		= e1000_get_coalesce,
2349	.set_coalesce		= e1000_set_coalesce,
2350	.get_rxnfc		= e1000_get_rxnfc,
2351	.get_ts_info		= e1000e_get_ts_info,
2352	.get_eee		= e1000e_get_eee,
2353	.set_eee		= e1000e_set_eee,
2354	.get_link_ksettings	= e1000_get_link_ksettings,
2355	.set_link_ksettings	= e1000_set_link_ksettings,
2356};
2357
2358void e1000e_set_ethtool_ops(struct net_device *netdev)
2359{
2360	netdev->ethtool_ops = &e1000_ethtool_ops;
2361}