e1000_ethtool.c 55.1 KB
Newer Older
L
Linus Torvalds 已提交
1 2 3
/*******************************************************************************

  
4
  Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
L
Linus Torvalds 已提交
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41
  
  This program is free software; you can redistribute it and/or modify it 
  under the terms of the GNU General Public License as published by the Free 
  Software Foundation; either version 2 of the License, or (at your option) 
  any later version.
  
  This program is distributed in the hope that it will be useful, but WITHOUT 
  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 
  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for 
  more details.
  
  You should have received a copy of the GNU General Public License along with
  this program; if not, write to the Free Software Foundation, Inc., 59 
  Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  
  The full GNU General Public License is included in this distribution in the
  file called LICENSE.
  
  Contact Information:
  Linux NICS <linux.nics@intel.com>
  Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497

*******************************************************************************/

/* ethtool support for e1000 */

#include "e1000.h"

#include <asm/uaccess.h>

extern char e1000_driver_name[];
extern char e1000_driver_version[];

extern int e1000_up(struct e1000_adapter *adapter);
extern void e1000_down(struct e1000_adapter *adapter);
extern void e1000_reset(struct e1000_adapter *adapter);
extern int e1000_set_spd_dplx(struct e1000_adapter *adapter, uint16_t spddplx);
42 43 44 45
extern int e1000_setup_all_rx_resources(struct e1000_adapter *adapter);
extern int e1000_setup_all_tx_resources(struct e1000_adapter *adapter);
extern void e1000_free_all_rx_resources(struct e1000_adapter *adapter);
extern void e1000_free_all_tx_resources(struct e1000_adapter *adapter);
L
Linus Torvalds 已提交
46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71
extern void e1000_update_stats(struct e1000_adapter *adapter);

struct e1000_stats {
	char stat_string[ETH_GSTRING_LEN];
	int sizeof_stat;
	int stat_offset;
};

#define E1000_STAT(m) sizeof(((struct e1000_adapter *)0)->m), \
		      offsetof(struct e1000_adapter, m)
static const struct e1000_stats e1000_gstrings_stats[] = {
	{ "rx_packets", E1000_STAT(net_stats.rx_packets) },
	{ "tx_packets", E1000_STAT(net_stats.tx_packets) },
	{ "rx_bytes", E1000_STAT(net_stats.rx_bytes) },
	{ "tx_bytes", E1000_STAT(net_stats.tx_bytes) },
	{ "rx_errors", E1000_STAT(net_stats.rx_errors) },
	{ "tx_errors", E1000_STAT(net_stats.tx_errors) },
	{ "rx_dropped", E1000_STAT(net_stats.rx_dropped) },
	{ "tx_dropped", E1000_STAT(net_stats.tx_dropped) },
	{ "multicast", E1000_STAT(net_stats.multicast) },
	{ "collisions", E1000_STAT(net_stats.collisions) },
	{ "rx_length_errors", E1000_STAT(net_stats.rx_length_errors) },
	{ "rx_over_errors", E1000_STAT(net_stats.rx_over_errors) },
	{ "rx_crc_errors", E1000_STAT(net_stats.rx_crc_errors) },
	{ "rx_frame_errors", E1000_STAT(net_stats.rx_frame_errors) },
	{ "rx_fifo_errors", E1000_STAT(net_stats.rx_fifo_errors) },
72
	{ "rx_no_buffer_count", E1000_STAT(stats.rnbc) },
L
Linus Torvalds 已提交
73 74 75 76 77 78 79 80 81 82
	{ "rx_missed_errors", E1000_STAT(net_stats.rx_missed_errors) },
	{ "tx_aborted_errors", E1000_STAT(net_stats.tx_aborted_errors) },
	{ "tx_carrier_errors", E1000_STAT(net_stats.tx_carrier_errors) },
	{ "tx_fifo_errors", E1000_STAT(net_stats.tx_fifo_errors) },
	{ "tx_heartbeat_errors", E1000_STAT(net_stats.tx_heartbeat_errors) },
	{ "tx_window_errors", E1000_STAT(net_stats.tx_window_errors) },
	{ "tx_abort_late_coll", E1000_STAT(stats.latecol) },
	{ "tx_deferred_ok", E1000_STAT(stats.dc) },
	{ "tx_single_coll_ok", E1000_STAT(stats.scc) },
	{ "tx_multi_coll_ok", E1000_STAT(stats.mcc) },
J
Jeff Kirsher 已提交
83
	{ "tx_timeout_count", E1000_STAT(tx_timeout_count) },
L
Linus Torvalds 已提交
84 85 86 87 88 89 90 91 92 93 94
	{ "rx_long_length_errors", E1000_STAT(stats.roc) },
	{ "rx_short_length_errors", E1000_STAT(stats.ruc) },
	{ "rx_align_errors", E1000_STAT(stats.algnerrc) },
	{ "tx_tcp_seg_good", E1000_STAT(stats.tsctc) },
	{ "tx_tcp_seg_failed", E1000_STAT(stats.tsctfc) },
	{ "rx_flow_control_xon", E1000_STAT(stats.xonrxc) },
	{ "rx_flow_control_xoff", E1000_STAT(stats.xoffrxc) },
	{ "tx_flow_control_xon", E1000_STAT(stats.xontxc) },
	{ "tx_flow_control_xoff", E1000_STAT(stats.xofftxc) },
	{ "rx_long_byte_count", E1000_STAT(stats.gorcl) },
	{ "rx_csum_offload_good", E1000_STAT(hw_csum_good) },
95 96
	{ "rx_csum_offload_errors", E1000_STAT(hw_csum_err) },
	{ "rx_header_split", E1000_STAT(rx_hdr_split) },
J
Jeff Kirsher 已提交
97
	{ "alloc_rx_buff_failed", E1000_STAT(alloc_rx_buff_failed) },
L
Linus Torvalds 已提交
98
};
99 100 101 102 103 104 105 106 107 108

#ifdef CONFIG_E1000_MQ
#define E1000_QUEUE_STATS_LEN \
	(((struct e1000_adapter *)netdev->priv)->num_tx_queues + \
	 ((struct e1000_adapter *)netdev->priv)->num_rx_queues) \
	* (sizeof(struct e1000_queue_stats) / sizeof(uint64_t))
#else
#define E1000_QUEUE_STATS_LEN 0
#endif
#define E1000_GLOBAL_STATS_LEN	\
L
Linus Torvalds 已提交
109
	sizeof(e1000_gstrings_stats) / sizeof(struct e1000_stats)
110
#define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN + E1000_QUEUE_STATS_LEN)
L
Linus Torvalds 已提交
111 112 113 114 115 116 117 118 119 120
static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = {
	"Register test  (offline)", "Eeprom test    (offline)",
	"Interrupt test (offline)", "Loopback test  (offline)",
	"Link test   (on/offline)"
};
#define E1000_TEST_LEN sizeof(e1000_gstrings_test) / ETH_GSTRING_LEN

static int
e1000_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
{
121
	struct e1000_adapter *adapter = netdev_priv(netdev);
L
Linus Torvalds 已提交
122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156
	struct e1000_hw *hw = &adapter->hw;

	if(hw->media_type == e1000_media_type_copper) {

		ecmd->supported = (SUPPORTED_10baseT_Half |
		                   SUPPORTED_10baseT_Full |
		                   SUPPORTED_100baseT_Half |
		                   SUPPORTED_100baseT_Full |
		                   SUPPORTED_1000baseT_Full|
		                   SUPPORTED_Autoneg |
		                   SUPPORTED_TP);

		ecmd->advertising = ADVERTISED_TP;

		if(hw->autoneg == 1) {
			ecmd->advertising |= ADVERTISED_Autoneg;

			/* the e1000 autoneg seems to match ethtool nicely */

			ecmd->advertising |= hw->autoneg_advertised;
		}

		ecmd->port = PORT_TP;
		ecmd->phy_address = hw->phy_addr;

		if(hw->mac_type == e1000_82543)
			ecmd->transceiver = XCVR_EXTERNAL;
		else
			ecmd->transceiver = XCVR_INTERNAL;

	} else {
		ecmd->supported   = (SUPPORTED_1000baseT_Full |
				     SUPPORTED_FIBRE |
				     SUPPORTED_Autoneg);

157 158 159
		ecmd->advertising = (ADVERTISED_1000baseT_Full |
				     ADVERTISED_FIBRE |
				     ADVERTISED_Autoneg);
L
Linus Torvalds 已提交
160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194

		ecmd->port = PORT_FIBRE;

		if(hw->mac_type >= e1000_82545)
			ecmd->transceiver = XCVR_INTERNAL;
		else
			ecmd->transceiver = XCVR_EXTERNAL;
	}

	if(netif_carrier_ok(adapter->netdev)) {

		e1000_get_speed_and_duplex(hw, &adapter->link_speed,
		                                   &adapter->link_duplex);
		ecmd->speed = adapter->link_speed;

		/* unfortunatly FULL_DUPLEX != DUPLEX_FULL
		 *          and HALF_DUPLEX != DUPLEX_HALF */

		if(adapter->link_duplex == FULL_DUPLEX)
			ecmd->duplex = DUPLEX_FULL;
		else
			ecmd->duplex = DUPLEX_HALF;
	} else {
		ecmd->speed = -1;
		ecmd->duplex = -1;
	}

	ecmd->autoneg = ((hw->media_type == e1000_media_type_fiber) ||
			 hw->autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE;
	return 0;
}

static int
e1000_set_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
{
195
	struct e1000_adapter *adapter = netdev_priv(netdev);
L
Linus Torvalds 已提交
196 197
	struct e1000_hw *hw = &adapter->hw;

198 199 200 201 202 203 204 205 206
	/* When SoL/IDER sessions are active, autoneg/speed/duplex
	 * cannot be changed */
	if (e1000_check_phy_reset_block(hw)) {
		DPRINTK(DRV, ERR, "Cannot change link characteristics "
		        "when SoL/IDER is active.\n");
		return -EINVAL;
	}

	if (ecmd->autoneg == AUTONEG_ENABLE) {
L
Linus Torvalds 已提交
207
		hw->autoneg = 1;
208 209 210 211 212 213 214 215 216 217 218 219 220
		if(hw->media_type == e1000_media_type_fiber)
			hw->autoneg_advertised = ADVERTISED_1000baseT_Full |
				     ADVERTISED_FIBRE |
				     ADVERTISED_Autoneg;
		else 
			hw->autoneg_advertised = ADVERTISED_10baseT_Half |
						  ADVERTISED_10baseT_Full |
						  ADVERTISED_100baseT_Half |
						  ADVERTISED_100baseT_Full |
						  ADVERTISED_1000baseT_Full|
						  ADVERTISED_Autoneg |
						  ADVERTISED_TP;
		ecmd->advertising = hw->autoneg_advertised;
L
Linus Torvalds 已提交
221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240
	} else
		if(e1000_set_spd_dplx(adapter, ecmd->speed + ecmd->duplex))
			return -EINVAL;

	/* reset the link */

	if(netif_running(adapter->netdev)) {
		e1000_down(adapter);
		e1000_reset(adapter);
		e1000_up(adapter);
	} else
		e1000_reset(adapter);

	return 0;
}

static void
e1000_get_pauseparam(struct net_device *netdev,
                     struct ethtool_pauseparam *pause)
{
241
	struct e1000_adapter *adapter = netdev_priv(netdev);
L
Linus Torvalds 已提交
242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260
	struct e1000_hw *hw = &adapter->hw;

	pause->autoneg = 
		(adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE);
	
	if(hw->fc == e1000_fc_rx_pause)
		pause->rx_pause = 1;
	else if(hw->fc == e1000_fc_tx_pause)
		pause->tx_pause = 1;
	else if(hw->fc == e1000_fc_full) {
		pause->rx_pause = 1;
		pause->tx_pause = 1;
	}
}

static int
e1000_set_pauseparam(struct net_device *netdev,
                     struct ethtool_pauseparam *pause)
{
261
	struct e1000_adapter *adapter = netdev_priv(netdev);
L
Linus Torvalds 已提交
262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293
	struct e1000_hw *hw = &adapter->hw;
	
	adapter->fc_autoneg = pause->autoneg;

	if(pause->rx_pause && pause->tx_pause)
		hw->fc = e1000_fc_full;
	else if(pause->rx_pause && !pause->tx_pause)
		hw->fc = e1000_fc_rx_pause;
	else if(!pause->rx_pause && pause->tx_pause)
		hw->fc = e1000_fc_tx_pause;
	else if(!pause->rx_pause && !pause->tx_pause)
		hw->fc = e1000_fc_none;

	hw->original_fc = hw->fc;

	if(adapter->fc_autoneg == AUTONEG_ENABLE) {
		if(netif_running(adapter->netdev)) {
			e1000_down(adapter);
			e1000_up(adapter);
		} else
			e1000_reset(adapter);
	}
	else
		return ((hw->media_type == e1000_media_type_fiber) ?
			e1000_setup_link(hw) : e1000_force_mac_fc(hw));
	
	return 0;
}

static uint32_t
e1000_get_rx_csum(struct net_device *netdev)
{
294
	struct e1000_adapter *adapter = netdev_priv(netdev);
L
Linus Torvalds 已提交
295 296 297 298 299 300
	return adapter->rx_csum;
}

static int
e1000_set_rx_csum(struct net_device *netdev, uint32_t data)
{
301
	struct e1000_adapter *adapter = netdev_priv(netdev);
L
Linus Torvalds 已提交
302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320
	adapter->rx_csum = data;

	if(netif_running(netdev)) {
		e1000_down(adapter);
		e1000_up(adapter);
	} else
		e1000_reset(adapter);
	return 0;
}
	
static uint32_t
e1000_get_tx_csum(struct net_device *netdev)
{
	return (netdev->features & NETIF_F_HW_CSUM) != 0;
}

static int
e1000_set_tx_csum(struct net_device *netdev, uint32_t data)
{
321
	struct e1000_adapter *adapter = netdev_priv(netdev);
L
Linus Torvalds 已提交
322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340

	if(adapter->hw.mac_type < e1000_82543) {
		if (!data)
			return -EINVAL;
		return 0;
	}

	if (data)
		netdev->features |= NETIF_F_HW_CSUM;
	else
		netdev->features &= ~NETIF_F_HW_CSUM;

	return 0;
}

#ifdef NETIF_F_TSO
static int
e1000_set_tso(struct net_device *netdev, uint32_t data)
{
341 342
	struct e1000_adapter *adapter = netdev_priv(netdev);
	if((adapter->hw.mac_type < e1000_82544) ||
L
Linus Torvalds 已提交
343 344 345 346 347 348 349 350 351 352 353 354 355 356
	    (adapter->hw.mac_type == e1000_82547)) 
		return data ? -EINVAL : 0;

	if (data)
		netdev->features |= NETIF_F_TSO;
	else
		netdev->features &= ~NETIF_F_TSO;
	return 0;
} 
#endif /* NETIF_F_TSO */

static uint32_t
e1000_get_msglevel(struct net_device *netdev)
{
357
	struct e1000_adapter *adapter = netdev_priv(netdev);
L
Linus Torvalds 已提交
358 359 360 361 362 363
	return adapter->msg_enable;
}

static void
e1000_set_msglevel(struct net_device *netdev, uint32_t data)
{
364
	struct e1000_adapter *adapter = netdev_priv(netdev);
L
Linus Torvalds 已提交
365 366 367 368 369 370 371 372 373 374 375 376 377 378
	adapter->msg_enable = data;
}

static int 
e1000_get_regs_len(struct net_device *netdev)
{
#define E1000_REGS_LEN 32
	return E1000_REGS_LEN * sizeof(uint32_t);
}

static void
e1000_get_regs(struct net_device *netdev,
	       struct ethtool_regs *regs, void *p)
{
379
	struct e1000_adapter *adapter = netdev_priv(netdev);
L
Linus Torvalds 已提交
380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466
	struct e1000_hw *hw = &adapter->hw;
	uint32_t *regs_buff = p;
	uint16_t phy_data;

	memset(p, 0, E1000_REGS_LEN * sizeof(uint32_t));

	regs->version = (1 << 24) | (hw->revision_id << 16) | hw->device_id;

	regs_buff[0]  = E1000_READ_REG(hw, CTRL);
	regs_buff[1]  = E1000_READ_REG(hw, STATUS);

	regs_buff[2]  = E1000_READ_REG(hw, RCTL);
	regs_buff[3]  = E1000_READ_REG(hw, RDLEN);
	regs_buff[4]  = E1000_READ_REG(hw, RDH);
	regs_buff[5]  = E1000_READ_REG(hw, RDT);
	regs_buff[6]  = E1000_READ_REG(hw, RDTR);

	regs_buff[7]  = E1000_READ_REG(hw, TCTL);
	regs_buff[8]  = E1000_READ_REG(hw, TDLEN);
	regs_buff[9]  = E1000_READ_REG(hw, TDH);
	regs_buff[10] = E1000_READ_REG(hw, TDT);
	regs_buff[11] = E1000_READ_REG(hw, TIDV);

	regs_buff[12] = adapter->hw.phy_type;  /* PHY type (IGP=1, M88=0) */
	if(hw->phy_type == e1000_phy_igp) {
		e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
				    IGP01E1000_PHY_AGC_A);
		e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_A &
				   IGP01E1000_PHY_PAGE_SELECT, &phy_data);
		regs_buff[13] = (uint32_t)phy_data; /* cable length */
		e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
				    IGP01E1000_PHY_AGC_B);
		e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_B &
				   IGP01E1000_PHY_PAGE_SELECT, &phy_data);
		regs_buff[14] = (uint32_t)phy_data; /* cable length */
		e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
				    IGP01E1000_PHY_AGC_C);
		e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_C &
				   IGP01E1000_PHY_PAGE_SELECT, &phy_data);
		regs_buff[15] = (uint32_t)phy_data; /* cable length */
		e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
				    IGP01E1000_PHY_AGC_D);
		e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_D &
				   IGP01E1000_PHY_PAGE_SELECT, &phy_data);
		regs_buff[16] = (uint32_t)phy_data; /* cable length */
		regs_buff[17] = 0; /* extended 10bt distance (not needed) */
		e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0);
		e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_STATUS &
				   IGP01E1000_PHY_PAGE_SELECT, &phy_data);
		regs_buff[18] = (uint32_t)phy_data; /* cable polarity */
		e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
				    IGP01E1000_PHY_PCS_INIT_REG);
		e1000_read_phy_reg(hw, IGP01E1000_PHY_PCS_INIT_REG &
				   IGP01E1000_PHY_PAGE_SELECT, &phy_data);
		regs_buff[19] = (uint32_t)phy_data; /* cable polarity */
		regs_buff[20] = 0; /* polarity correction enabled (always) */
		regs_buff[22] = 0; /* phy receive errors (unavailable) */
		regs_buff[23] = regs_buff[18]; /* mdix mode */
		e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0);
	} else {
        	e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
		regs_buff[13] = (uint32_t)phy_data; /* cable length */
		regs_buff[14] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
		regs_buff[15] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
		regs_buff[16] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
        	e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
		regs_buff[17] = (uint32_t)phy_data; /* extended 10bt distance */
		regs_buff[18] = regs_buff[13]; /* cable polarity */
		regs_buff[19] = 0;  /* Dummy (to align w/ IGP phy reg dump) */
		regs_buff[20] = regs_buff[17]; /* polarity correction */
		/* phy receive errors */
		regs_buff[22] = adapter->phy_stats.receive_errors;
		regs_buff[23] = regs_buff[13]; /* mdix mode */
	}
	regs_buff[21] = adapter->phy_stats.idle_errors;  /* phy idle errors */
	e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_data);
	regs_buff[24] = (uint32_t)phy_data;  /* phy local receiver status */
	regs_buff[25] = regs_buff[24];  /* phy remote receiver status */
	if(hw->mac_type >= e1000_82540 &&
	   hw->media_type == e1000_media_type_copper) {
		regs_buff[26] = E1000_READ_REG(hw, MANC);
	}
}

static int
e1000_get_eeprom_len(struct net_device *netdev)
{
467
	struct e1000_adapter *adapter = netdev_priv(netdev);
L
Linus Torvalds 已提交
468 469 470 471 472 473 474
	return adapter->hw.eeprom.word_size * 2;
}

static int
e1000_get_eeprom(struct net_device *netdev,
                      struct ethtool_eeprom *eeprom, uint8_t *bytes)
{
475
	struct e1000_adapter *adapter = netdev_priv(netdev);
L
Linus Torvalds 已提交
476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520
	struct e1000_hw *hw = &adapter->hw;
	uint16_t *eeprom_buff;
	int first_word, last_word;
	int ret_val = 0;
	uint16_t i;

	if(eeprom->len == 0)
		return -EINVAL;

	eeprom->magic = hw->vendor_id | (hw->device_id << 16);

	first_word = eeprom->offset >> 1;
	last_word = (eeprom->offset + eeprom->len - 1) >> 1;

	eeprom_buff = kmalloc(sizeof(uint16_t) *
			(last_word - first_word + 1), GFP_KERNEL);
	if(!eeprom_buff)
		return -ENOMEM;

	if(hw->eeprom.type == e1000_eeprom_spi)
		ret_val = e1000_read_eeprom(hw, first_word,
					    last_word - first_word + 1,
					    eeprom_buff);
	else {
		for (i = 0; i < last_word - first_word + 1; i++)
			if((ret_val = e1000_read_eeprom(hw, first_word + i, 1,
							&eeprom_buff[i])))
				break;
	}

	/* Device's eeprom is always little-endian, word addressable */
	for (i = 0; i < last_word - first_word + 1; i++)
		le16_to_cpus(&eeprom_buff[i]);

	memcpy(bytes, (uint8_t *)eeprom_buff + (eeprom->offset & 1),
			eeprom->len);
	kfree(eeprom_buff);

	return ret_val;
}

static int
e1000_set_eeprom(struct net_device *netdev,
                      struct ethtool_eeprom *eeprom, uint8_t *bytes)
{
521
	struct e1000_adapter *adapter = netdev_priv(netdev);
L
Linus Torvalds 已提交
522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569
	struct e1000_hw *hw = &adapter->hw;
	uint16_t *eeprom_buff;
	void *ptr;
	int max_len, first_word, last_word, ret_val = 0;
	uint16_t i;

	if(eeprom->len == 0)
		return -EOPNOTSUPP;

	if(eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
		return -EFAULT;

	max_len = hw->eeprom.word_size * 2;

	first_word = eeprom->offset >> 1;
	last_word = (eeprom->offset + eeprom->len - 1) >> 1;
	eeprom_buff = kmalloc(max_len, GFP_KERNEL);
	if(!eeprom_buff)
		return -ENOMEM;

	ptr = (void *)eeprom_buff;

	if(eeprom->offset & 1) {
		/* need read/modify/write of first changed EEPROM word */
		/* only the second byte of the word is being modified */
		ret_val = e1000_read_eeprom(hw, first_word, 1,
					    &eeprom_buff[0]);
		ptr++;
	}
	if(((eeprom->offset + eeprom->len) & 1) && (ret_val == 0)) {
		/* need read/modify/write of last changed EEPROM word */
		/* only the first byte of the word is being modified */
		ret_val = e1000_read_eeprom(hw, last_word, 1,
		                  &eeprom_buff[last_word - first_word]);
	}

	/* Device's eeprom is always little-endian, word addressable */
	for (i = 0; i < last_word - first_word + 1; i++)
		le16_to_cpus(&eeprom_buff[i]);

	memcpy(ptr, bytes, eeprom->len);

	for (i = 0; i < last_word - first_word + 1; i++)
		eeprom_buff[i] = cpu_to_le16(eeprom_buff[i]);

	ret_val = e1000_write_eeprom(hw, first_word,
				     last_word - first_word + 1, eeprom_buff);

M
Mallikarjuna R Chilakala 已提交
570 571 572 573
	/* Update the checksum over the first part of the EEPROM if needed 
	 * and flush shadow RAM for 82573 conrollers */
	if((ret_val == 0) && ((first_word <= EEPROM_CHECKSUM_REG) || 
				(hw->mac_type == e1000_82573)))
L
Linus Torvalds 已提交
574 575 576 577 578 579 580 581 582 583
		e1000_update_eeprom_checksum(hw);

	kfree(eeprom_buff);
	return ret_val;
}

static void
e1000_get_drvinfo(struct net_device *netdev,
                       struct ethtool_drvinfo *drvinfo)
{
584
	struct e1000_adapter *adapter = netdev_priv(netdev);
L
Linus Torvalds 已提交
585 586 587

	strncpy(drvinfo->driver,  e1000_driver_name, 32);
	strncpy(drvinfo->version, e1000_driver_version, 32);
588
	strncpy(drvinfo->fw_version, "N/A", 32);
L
Linus Torvalds 已提交
589 590 591 592 593 594 595 596 597 598 599
	strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
	drvinfo->n_stats = E1000_STATS_LEN;
	drvinfo->testinfo_len = E1000_TEST_LEN;
	drvinfo->regdump_len = e1000_get_regs_len(netdev);
	drvinfo->eedump_len = e1000_get_eeprom_len(netdev);
}

static void
e1000_get_ringparam(struct net_device *netdev,
                    struct ethtool_ringparam *ring)
{
600
	struct e1000_adapter *adapter = netdev_priv(netdev);
L
Linus Torvalds 已提交
601
	e1000_mac_type mac_type = adapter->hw.mac_type;
602 603
	struct e1000_tx_ring *txdr = adapter->tx_ring;
	struct e1000_rx_ring *rxdr = adapter->rx_ring;
L
Linus Torvalds 已提交
604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620

	ring->rx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_RXD :
		E1000_MAX_82544_RXD;
	ring->tx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_TXD :
		E1000_MAX_82544_TXD;
	ring->rx_mini_max_pending = 0;
	ring->rx_jumbo_max_pending = 0;
	ring->rx_pending = rxdr->count;
	ring->tx_pending = txdr->count;
	ring->rx_mini_pending = 0;
	ring->rx_jumbo_pending = 0;
}

static int 
e1000_set_ringparam(struct net_device *netdev,
                    struct ethtool_ringparam *ring)
{
621
	struct e1000_adapter *adapter = netdev_priv(netdev);
L
Linus Torvalds 已提交
622
	e1000_mac_type mac_type = adapter->hw.mac_type;
623 624 625 626
	struct e1000_tx_ring *txdr, *tx_old, *tx_new;
	struct e1000_rx_ring *rxdr, *rx_old, *rx_new;
	int i, err, tx_ring_size, rx_ring_size;

627 628
	tx_ring_size = sizeof(struct e1000_tx_ring) * adapter->num_tx_queues;
	rx_ring_size = sizeof(struct e1000_rx_ring) * adapter->num_rx_queues;
629 630 631

	if (netif_running(adapter->netdev))
		e1000_down(adapter);
L
Linus Torvalds 已提交
632 633 634 635

	tx_old = adapter->tx_ring;
	rx_old = adapter->rx_ring;

636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653
	adapter->tx_ring = kmalloc(tx_ring_size, GFP_KERNEL);
	if (!adapter->tx_ring) {
		err = -ENOMEM;
		goto err_setup_rx;
	}
	memset(adapter->tx_ring, 0, tx_ring_size);

	adapter->rx_ring = kmalloc(rx_ring_size, GFP_KERNEL);
	if (!adapter->rx_ring) {
		kfree(adapter->tx_ring);
		err = -ENOMEM;
		goto err_setup_rx;
	}
	memset(adapter->rx_ring, 0, rx_ring_size);

	txdr = adapter->tx_ring;
	rxdr = adapter->rx_ring;

654
	if((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
L
Linus Torvalds 已提交
655 656 657 658 659 660 661 662 663 664 665 666
		return -EINVAL;

	rxdr->count = max(ring->rx_pending,(uint32_t)E1000_MIN_RXD);
	rxdr->count = min(rxdr->count,(uint32_t)(mac_type < e1000_82544 ?
		E1000_MAX_RXD : E1000_MAX_82544_RXD));
	E1000_ROUNDUP(rxdr->count, REQ_RX_DESCRIPTOR_MULTIPLE); 

	txdr->count = max(ring->tx_pending,(uint32_t)E1000_MIN_TXD);
	txdr->count = min(txdr->count,(uint32_t)(mac_type < e1000_82544 ?
		E1000_MAX_TXD : E1000_MAX_82544_TXD));
	E1000_ROUNDUP(txdr->count, REQ_TX_DESCRIPTOR_MULTIPLE); 

667
	for (i = 0; i < adapter->num_tx_queues; i++)
668
		txdr[i].count = txdr->count;
669
	for (i = 0; i < adapter->num_rx_queues; i++)
670 671
		rxdr[i].count = rxdr->count;

L
Linus Torvalds 已提交
672 673
	if(netif_running(adapter->netdev)) {
		/* Try to get new resources before deleting old */
674
		if ((err = e1000_setup_all_rx_resources(adapter)))
L
Linus Torvalds 已提交
675
			goto err_setup_rx;
676
		if ((err = e1000_setup_all_tx_resources(adapter)))
L
Linus Torvalds 已提交
677 678 679 680 681 682 683 684 685
			goto err_setup_tx;

		/* save the new, restore the old in order to free it,
		 * then restore the new back again */

		rx_new = adapter->rx_ring;
		tx_new = adapter->tx_ring;
		adapter->rx_ring = rx_old;
		adapter->tx_ring = tx_old;
686 687 688 689
		e1000_free_all_rx_resources(adapter);
		e1000_free_all_tx_resources(adapter);
		kfree(tx_old);
		kfree(rx_old);
L
Linus Torvalds 已提交
690 691 692 693 694 695 696 697
		adapter->rx_ring = rx_new;
		adapter->tx_ring = tx_new;
		if((err = e1000_up(adapter)))
			return err;
	}

	return 0;
err_setup_tx:
698
	e1000_free_all_rx_resources(adapter);
L
Linus Torvalds 已提交
699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714
err_setup_rx:
	adapter->rx_ring = rx_old;
	adapter->tx_ring = tx_old;
	e1000_up(adapter);
	return err;
}

#define REG_PATTERN_TEST(R, M, W)                                              \
{                                                                              \
	uint32_t pat, value;                                                   \
	uint32_t test[] =                                                      \
		{0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF};              \
	for(pat = 0; pat < sizeof(test)/sizeof(test[0]); pat++) {              \
		E1000_WRITE_REG(&adapter->hw, R, (test[pat] & W));             \
		value = E1000_READ_REG(&adapter->hw, R);                       \
		if(value != (test[pat] & W & M)) {                             \
715 716 717
			DPRINTK(DRV, ERR, "pattern test reg %04X failed: got " \
			        "0x%08X expected 0x%08X\n",                    \
			        E1000_##R, value, (test[pat] & W & M));        \
L
Linus Torvalds 已提交
718 719 720 721 722 723 724 725 726 727 728 729
			*data = (adapter->hw.mac_type < e1000_82543) ?         \
				E1000_82542_##R : E1000_##R;                   \
			return 1;                                              \
		}                                                              \
	}                                                                      \
}

#define REG_SET_AND_CHECK(R, M, W)                                             \
{                                                                              \
	uint32_t value;                                                        \
	E1000_WRITE_REG(&adapter->hw, R, W & M);                               \
	value = E1000_READ_REG(&adapter->hw, R);                               \
730 731 732
	if((W & M) != (value & M)) {                                          \
		DPRINTK(DRV, ERR, "set/check reg %04X test failed: got 0x%08X "\
		        "expected 0x%08X\n", E1000_##R, (value & M), (W & M)); \
L
Linus Torvalds 已提交
733 734 735 736 737 738 739 740 741
		*data = (adapter->hw.mac_type < e1000_82543) ?                 \
			E1000_82542_##R : E1000_##R;                           \
		return 1;                                                      \
	}                                                                      \
}

static int
e1000_reg_test(struct e1000_adapter *adapter, uint64_t *data)
{
742 743
	uint32_t value, before, after;
	uint32_t i, toggle;
L
Linus Torvalds 已提交
744 745 746 747

	/* The status register is Read Only, so a write should fail.
	 * Some bits that get toggled are ignored.
	 */
748
        switch (adapter->hw.mac_type) {
749 750 751 752 753
	/* there are several bits on newer hardware that are r/w */
	case e1000_82571:
	case e1000_82572:
		toggle = 0x7FFFF3FF;
		break;
754 755 756 757 758 759 760 761 762 763 764 765 766 767 768
	case e1000_82573:
		toggle = 0x7FFFF033;
		break;
	default:
		toggle = 0xFFFFF833;
		break;
	}

	before = E1000_READ_REG(&adapter->hw, STATUS);
	value = (E1000_READ_REG(&adapter->hw, STATUS) & toggle);
	E1000_WRITE_REG(&adapter->hw, STATUS, toggle);
	after = E1000_READ_REG(&adapter->hw, STATUS) & toggle;
	if(value != after) {
		DPRINTK(DRV, ERR, "failed STATUS register test got: "
		        "0x%08X expected: 0x%08X\n", after, value);
L
Linus Torvalds 已提交
769 770 771
		*data = 1;
		return 1;
	}
772 773
	/* restore previous status */
	E1000_WRITE_REG(&adapter->hw, STATUS, before);
L
Linus Torvalds 已提交
774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854

	REG_PATTERN_TEST(FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
	REG_PATTERN_TEST(FCAH, 0x0000FFFF, 0xFFFFFFFF);
	REG_PATTERN_TEST(FCT, 0x0000FFFF, 0xFFFFFFFF);
	REG_PATTERN_TEST(VET, 0x0000FFFF, 0xFFFFFFFF);
	REG_PATTERN_TEST(RDTR, 0x0000FFFF, 0xFFFFFFFF);
	REG_PATTERN_TEST(RDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
	REG_PATTERN_TEST(RDLEN, 0x000FFF80, 0x000FFFFF);
	REG_PATTERN_TEST(RDH, 0x0000FFFF, 0x0000FFFF);
	REG_PATTERN_TEST(RDT, 0x0000FFFF, 0x0000FFFF);
	REG_PATTERN_TEST(FCRTH, 0x0000FFF8, 0x0000FFF8);
	REG_PATTERN_TEST(FCTTV, 0x0000FFFF, 0x0000FFFF);
	REG_PATTERN_TEST(TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
	REG_PATTERN_TEST(TDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
	REG_PATTERN_TEST(TDLEN, 0x000FFF80, 0x000FFFFF);

	REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x00000000);
	REG_SET_AND_CHECK(RCTL, 0x06DFB3FE, 0x003FFFFB);
	REG_SET_AND_CHECK(TCTL, 0xFFFFFFFF, 0x00000000);

	if(adapter->hw.mac_type >= e1000_82543) {

		REG_SET_AND_CHECK(RCTL, 0x06DFB3FE, 0xFFFFFFFF);
		REG_PATTERN_TEST(RDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
		REG_PATTERN_TEST(TXCW, 0xC000FFFF, 0x0000FFFF);
		REG_PATTERN_TEST(TDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
		REG_PATTERN_TEST(TIDV, 0x0000FFFF, 0x0000FFFF);

		for(i = 0; i < E1000_RAR_ENTRIES; i++) {
			REG_PATTERN_TEST(RA + ((i << 1) << 2), 0xFFFFFFFF,
					 0xFFFFFFFF);
			REG_PATTERN_TEST(RA + (((i << 1) + 1) << 2), 0x8003FFFF,
					 0xFFFFFFFF);
		}

	} else {

		REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x01FFFFFF);
		REG_PATTERN_TEST(RDBAL, 0xFFFFF000, 0xFFFFFFFF);
		REG_PATTERN_TEST(TXCW, 0x0000FFFF, 0x0000FFFF);
		REG_PATTERN_TEST(TDBAL, 0xFFFFF000, 0xFFFFFFFF);

	}

	for(i = 0; i < E1000_MC_TBL_SIZE; i++)
		REG_PATTERN_TEST(MTA + (i << 2), 0xFFFFFFFF, 0xFFFFFFFF);

	*data = 0;
	return 0;
}

static int
e1000_eeprom_test(struct e1000_adapter *adapter, uint64_t *data)
{
	uint16_t temp;
	uint16_t checksum = 0;
	uint16_t i;

	*data = 0;
	/* Read and add up the contents of the EEPROM */
	for(i = 0; i < (EEPROM_CHECKSUM_REG + 1); i++) {
		if((e1000_read_eeprom(&adapter->hw, i, 1, &temp)) < 0) {
			*data = 1;
			break;
		}
		checksum += temp;
	}

	/* If Checksum is not Correct return error else test passed */
	if((checksum != (uint16_t) EEPROM_SUM) && !(*data))
		*data = 2;

	return *data;
}

static irqreturn_t
e1000_test_intr(int irq,
		void *data,
		struct pt_regs *regs)
{
	struct net_device *netdev = (struct net_device *) data;
855
	struct e1000_adapter *adapter = netdev_priv(netdev);
L
Linus Torvalds 已提交
856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873

	adapter->test_icr |= E1000_READ_REG(&adapter->hw, ICR);

	return IRQ_HANDLED;
}

static int
e1000_intr_test(struct e1000_adapter *adapter, uint64_t *data)
{
	struct net_device *netdev = adapter->netdev;
 	uint32_t mask, i=0, shared_int = TRUE;
 	uint32_t irq = adapter->pdev->irq;

	*data = 0;

	/* Hook up test interrupt handler just for this test */
 	if(!request_irq(irq, &e1000_test_intr, 0, netdev->name, netdev)) {
 		shared_int = FALSE;
874 875
 	} else if(request_irq(irq, &e1000_test_intr, SA_SHIRQ,
			      netdev->name, netdev)){
L
Linus Torvalds 已提交
876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931
		*data = 1;
		return -1;
	}

	/* Disable all the interrupts */
	E1000_WRITE_REG(&adapter->hw, IMC, 0xFFFFFFFF);
	msec_delay(10);

	/* Test each interrupt */
	for(; i < 10; i++) {

		/* Interrupt to test */
		mask = 1 << i;

 		if(!shared_int) {
 			/* Disable the interrupt to be reported in
 			 * the cause register and then force the same
 			 * interrupt and see if one gets posted.  If
 			 * an interrupt was posted to the bus, the
 			 * test failed.
 			 */
 			adapter->test_icr = 0;
 			E1000_WRITE_REG(&adapter->hw, IMC, mask);
 			E1000_WRITE_REG(&adapter->hw, ICS, mask);
 			msec_delay(10);
 
 			if(adapter->test_icr & mask) {
 				*data = 3;
 				break;
 			}
		}

		/* Enable the interrupt to be reported in
		 * the cause register and then force the same
		 * interrupt and see if one gets posted.  If
		 * an interrupt was not posted to the bus, the
		 * test failed.
		 */
		adapter->test_icr = 0;
		E1000_WRITE_REG(&adapter->hw, IMS, mask);
		E1000_WRITE_REG(&adapter->hw, ICS, mask);
		msec_delay(10);

		if(!(adapter->test_icr & mask)) {
			*data = 4;
			break;
		}

 		if(!shared_int) {
			/* Disable the other interrupts to be reported in
			 * the cause register and then force the other
			 * interrupts and see if any get posted.  If
			 * an interrupt was posted to the bus, the
			 * test failed.
			 */
			adapter->test_icr = 0;
932 933
			E1000_WRITE_REG(&adapter->hw, IMC, ~mask & 0x00007FFF);
			E1000_WRITE_REG(&adapter->hw, ICS, ~mask & 0x00007FFF);
L
Linus Torvalds 已提交
934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955
			msec_delay(10);

			if(adapter->test_icr) {
				*data = 5;
				break;
			}
		}
	}

	/* Disable all the interrupts */
	E1000_WRITE_REG(&adapter->hw, IMC, 0xFFFFFFFF);
	msec_delay(10);

	/* Unhook test interrupt handler */
	free_irq(irq, netdev);

	return *data;
}

static void
e1000_free_desc_rings(struct e1000_adapter *adapter)
{
956 957
	struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
	struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
L
Linus Torvalds 已提交
958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982
	struct pci_dev *pdev = adapter->pdev;
	int i;

	if(txdr->desc && txdr->buffer_info) {
		for(i = 0; i < txdr->count; i++) {
			if(txdr->buffer_info[i].dma)
				pci_unmap_single(pdev, txdr->buffer_info[i].dma,
						 txdr->buffer_info[i].length,
						 PCI_DMA_TODEVICE);
			if(txdr->buffer_info[i].skb)
				dev_kfree_skb(txdr->buffer_info[i].skb);
		}
	}

	if(rxdr->desc && rxdr->buffer_info) {
		for(i = 0; i < rxdr->count; i++) {
			if(rxdr->buffer_info[i].dma)
				pci_unmap_single(pdev, rxdr->buffer_info[i].dma,
						 rxdr->buffer_info[i].length,
						 PCI_DMA_FROMDEVICE);
			if(rxdr->buffer_info[i].skb)
				dev_kfree_skb(rxdr->buffer_info[i].skb);
		}
	}

J
Jeff Kirsher 已提交
983
	if (txdr->desc) {
L
Linus Torvalds 已提交
984
		pci_free_consistent(pdev, txdr->size, txdr->desc, txdr->dma);
985 986
		txdr->desc = NULL;
	}
J
Jeff Kirsher 已提交
987
	if (rxdr->desc) {
L
Linus Torvalds 已提交
988
		pci_free_consistent(pdev, rxdr->size, rxdr->desc, rxdr->dma);
989 990
		rxdr->desc = NULL;
	}
L
Linus Torvalds 已提交
991

992
	kfree(txdr->buffer_info);
993
	txdr->buffer_info = NULL;
994
	kfree(rxdr->buffer_info);
995
	rxdr->buffer_info = NULL;
J
Jeff Kirsher 已提交
996

L
Linus Torvalds 已提交
997 998 999 1000 1001 1002
	return;
}

static int
e1000_setup_desc_rings(struct e1000_adapter *adapter)
{
1003 1004
	struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
	struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
L
Linus Torvalds 已提交
1005 1006 1007 1008 1009 1010
	struct pci_dev *pdev = adapter->pdev;
	uint32_t rctl;
	int size, i, ret_val;

	/* Setup Tx descriptor ring and Tx buffers */

1011 1012
	if(!txdr->count)
		txdr->count = E1000_DEFAULT_TXD;   
L
Linus Torvalds 已提交
1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066

	size = txdr->count * sizeof(struct e1000_buffer);
	if(!(txdr->buffer_info = kmalloc(size, GFP_KERNEL))) {
		ret_val = 1;
		goto err_nomem;
	}
	memset(txdr->buffer_info, 0, size);

	txdr->size = txdr->count * sizeof(struct e1000_tx_desc);
	E1000_ROUNDUP(txdr->size, 4096);
	if(!(txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma))) {
		ret_val = 2;
		goto err_nomem;
	}
	memset(txdr->desc, 0, txdr->size);
	txdr->next_to_use = txdr->next_to_clean = 0;

	E1000_WRITE_REG(&adapter->hw, TDBAL,
			((uint64_t) txdr->dma & 0x00000000FFFFFFFF));
	E1000_WRITE_REG(&adapter->hw, TDBAH, ((uint64_t) txdr->dma >> 32));
	E1000_WRITE_REG(&adapter->hw, TDLEN,
			txdr->count * sizeof(struct e1000_tx_desc));
	E1000_WRITE_REG(&adapter->hw, TDH, 0);
	E1000_WRITE_REG(&adapter->hw, TDT, 0);
	E1000_WRITE_REG(&adapter->hw, TCTL,
			E1000_TCTL_PSP | E1000_TCTL_EN |
			E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
			E1000_FDX_COLLISION_DISTANCE << E1000_COLD_SHIFT);

	for(i = 0; i < txdr->count; i++) {
		struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*txdr, i);
		struct sk_buff *skb;
		unsigned int size = 1024;

		if(!(skb = alloc_skb(size, GFP_KERNEL))) {
			ret_val = 3;
			goto err_nomem;
		}
		skb_put(skb, size);
		txdr->buffer_info[i].skb = skb;
		txdr->buffer_info[i].length = skb->len;
		txdr->buffer_info[i].dma =
			pci_map_single(pdev, skb->data, skb->len,
				       PCI_DMA_TODEVICE);
		tx_desc->buffer_addr = cpu_to_le64(txdr->buffer_info[i].dma);
		tx_desc->lower.data = cpu_to_le32(skb->len);
		tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
						   E1000_TXD_CMD_IFCS |
						   E1000_TXD_CMD_RPS);
		tx_desc->upper.data = 0;
	}

	/* Setup Rx descriptor ring and Rx buffers */

1067 1068
	if(!rxdr->count)
		rxdr->count = E1000_DEFAULT_RXD;   
L
Linus Torvalds 已提交
1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101

	size = rxdr->count * sizeof(struct e1000_buffer);
	if(!(rxdr->buffer_info = kmalloc(size, GFP_KERNEL))) {
		ret_val = 4;
		goto err_nomem;
	}
	memset(rxdr->buffer_info, 0, size);

	rxdr->size = rxdr->count * sizeof(struct e1000_rx_desc);
	if(!(rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma))) {
		ret_val = 5;
		goto err_nomem;
	}
	memset(rxdr->desc, 0, rxdr->size);
	rxdr->next_to_use = rxdr->next_to_clean = 0;

	rctl = E1000_READ_REG(&adapter->hw, RCTL);
	E1000_WRITE_REG(&adapter->hw, RCTL, rctl & ~E1000_RCTL_EN);
	E1000_WRITE_REG(&adapter->hw, RDBAL,
			((uint64_t) rxdr->dma & 0xFFFFFFFF));
	E1000_WRITE_REG(&adapter->hw, RDBAH, ((uint64_t) rxdr->dma >> 32));
	E1000_WRITE_REG(&adapter->hw, RDLEN, rxdr->size);
	E1000_WRITE_REG(&adapter->hw, RDH, 0);
	E1000_WRITE_REG(&adapter->hw, RDT, 0);
	rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
		E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
		(adapter->hw.mc_filter_type << E1000_RCTL_MO_SHIFT);
	E1000_WRITE_REG(&adapter->hw, RCTL, rctl);

	for(i = 0; i < rxdr->count; i++) {
		struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rxdr, i);
		struct sk_buff *skb;

1102
		if(!(skb = alloc_skb(E1000_RXBUFFER_2048 + NET_IP_ALIGN,
L
Linus Torvalds 已提交
1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306
				GFP_KERNEL))) {
			ret_val = 6;
			goto err_nomem;
		}
		skb_reserve(skb, NET_IP_ALIGN);
		rxdr->buffer_info[i].skb = skb;
		rxdr->buffer_info[i].length = E1000_RXBUFFER_2048;
		rxdr->buffer_info[i].dma =
			pci_map_single(pdev, skb->data, E1000_RXBUFFER_2048,
				       PCI_DMA_FROMDEVICE);
		rx_desc->buffer_addr = cpu_to_le64(rxdr->buffer_info[i].dma);
		memset(skb->data, 0x00, skb->len);
	}

	return 0;

err_nomem:
	e1000_free_desc_rings(adapter);
	return ret_val;
}

static void
e1000_phy_disable_receiver(struct e1000_adapter *adapter)
{
	/* Write out to PHY registers 29 and 30 to disable the Receiver. */
	e1000_write_phy_reg(&adapter->hw, 29, 0x001F);
	e1000_write_phy_reg(&adapter->hw, 30, 0x8FFC);
	e1000_write_phy_reg(&adapter->hw, 29, 0x001A);
	e1000_write_phy_reg(&adapter->hw, 30, 0x8FF0);
}

static void
e1000_phy_reset_clk_and_crs(struct e1000_adapter *adapter)
{
	uint16_t phy_reg;

	/* Because we reset the PHY above, we need to re-force TX_CLK in the
	 * Extended PHY Specific Control Register to 25MHz clock.  This
	 * value defaults back to a 2.5MHz clock when the PHY is reset.
	 */
	e1000_read_phy_reg(&adapter->hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
	phy_reg |= M88E1000_EPSCR_TX_CLK_25;
	e1000_write_phy_reg(&adapter->hw,
		M88E1000_EXT_PHY_SPEC_CTRL, phy_reg);

	/* In addition, because of the s/w reset above, we need to enable
	 * CRS on TX.  This must be set for both full and half duplex
	 * operation.
	 */
	e1000_read_phy_reg(&adapter->hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);
	phy_reg |= M88E1000_PSCR_ASSERT_CRS_ON_TX;
	e1000_write_phy_reg(&adapter->hw,
		M88E1000_PHY_SPEC_CTRL, phy_reg);
}

static int
e1000_nonintegrated_phy_loopback(struct e1000_adapter *adapter)
{
	uint32_t ctrl_reg;
	uint16_t phy_reg;

	/* Setup the Device Control Register for PHY loopback test. */

	ctrl_reg = E1000_READ_REG(&adapter->hw, CTRL);
	ctrl_reg |= (E1000_CTRL_ILOS |		/* Invert Loss-Of-Signal */
		     E1000_CTRL_FRCSPD |	/* Set the Force Speed Bit */
		     E1000_CTRL_FRCDPX |	/* Set the Force Duplex Bit */
		     E1000_CTRL_SPD_1000 |	/* Force Speed to 1000 */
		     E1000_CTRL_FD);		/* Force Duplex to FULL */

	E1000_WRITE_REG(&adapter->hw, CTRL, ctrl_reg);

	/* Read the PHY Specific Control Register (0x10) */
	e1000_read_phy_reg(&adapter->hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);

	/* Clear Auto-Crossover bits in PHY Specific Control Register
	 * (bits 6:5).
	 */
	phy_reg &= ~M88E1000_PSCR_AUTO_X_MODE;
	e1000_write_phy_reg(&adapter->hw, M88E1000_PHY_SPEC_CTRL, phy_reg);

	/* Perform software reset on the PHY */
	e1000_phy_reset(&adapter->hw);

	/* Have to setup TX_CLK and TX_CRS after software reset */
	e1000_phy_reset_clk_and_crs(adapter);

	e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x8100);

	/* Wait for reset to complete. */
	udelay(500);

	/* Have to setup TX_CLK and TX_CRS after software reset */
	e1000_phy_reset_clk_and_crs(adapter);

	/* Write out to PHY registers 29 and 30 to disable the Receiver. */
	e1000_phy_disable_receiver(adapter);

	/* Set the loopback bit in the PHY control register. */
	e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg);
	phy_reg |= MII_CR_LOOPBACK;
	e1000_write_phy_reg(&adapter->hw, PHY_CTRL, phy_reg);

	/* Setup TX_CLK and TX_CRS one more time. */
	e1000_phy_reset_clk_and_crs(adapter);

	/* Check Phy Configuration */
	e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg);
	if(phy_reg != 0x4100)
		 return 9;

	e1000_read_phy_reg(&adapter->hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
	if(phy_reg != 0x0070)
		return 10;

	e1000_read_phy_reg(&adapter->hw, 29, &phy_reg);
	if(phy_reg != 0x001A)
		return 11;

	return 0;
}

static int
e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
{
	uint32_t ctrl_reg = 0;
	uint32_t stat_reg = 0;

	adapter->hw.autoneg = FALSE;

	if(adapter->hw.phy_type == e1000_phy_m88) {
		/* Auto-MDI/MDIX Off */
		e1000_write_phy_reg(&adapter->hw,
				    M88E1000_PHY_SPEC_CTRL, 0x0808);
		/* reset to update Auto-MDI/MDIX */
		e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x9140);
		/* autoneg off */
		e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x8140);
	}
	/* force 1000, set loopback */
	e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x4140);

	/* Now set up the MAC to the same speed/duplex as the PHY. */
	ctrl_reg = E1000_READ_REG(&adapter->hw, CTRL);
	ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
	ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
		     E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
		     E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
		     E1000_CTRL_FD);	 /* Force Duplex to FULL */

	if(adapter->hw.media_type == e1000_media_type_copper &&
	   adapter->hw.phy_type == e1000_phy_m88) {
		ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
	} else {
		/* Set the ILOS bit on the fiber Nic is half
		 * duplex link is detected. */
		stat_reg = E1000_READ_REG(&adapter->hw, STATUS);
		if((stat_reg & E1000_STATUS_FD) == 0)
			ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
	}

	E1000_WRITE_REG(&adapter->hw, CTRL, ctrl_reg);

	/* Disable the receiver on the PHY so when a cable is plugged in, the
	 * PHY does not begin to autoneg when a cable is reconnected to the NIC.
	 */
	if(adapter->hw.phy_type == e1000_phy_m88)
		e1000_phy_disable_receiver(adapter);

	udelay(500);

	return 0;
}

static int
e1000_set_phy_loopback(struct e1000_adapter *adapter)
{
	uint16_t phy_reg = 0;
	uint16_t count = 0;

	switch (adapter->hw.mac_type) {
	case e1000_82543:
		if(adapter->hw.media_type == e1000_media_type_copper) {
			/* Attempt to setup Loopback mode on Non-integrated PHY.
			 * Some PHY registers get corrupted at random, so
			 * attempt this 10 times.
			 */
			while(e1000_nonintegrated_phy_loopback(adapter) &&
			      count++ < 10);
			if(count < 11)
				return 0;
		}
		break;

	case e1000_82544:
	case e1000_82540:
	case e1000_82545:
	case e1000_82545_rev_3:
	case e1000_82546:
	case e1000_82546_rev_3:
	case e1000_82541:
	case e1000_82541_rev_2:
	case e1000_82547:
	case e1000_82547_rev_2:
1307 1308
	case e1000_82571:
	case e1000_82572:
1309
	case e1000_82573:
L
Linus Torvalds 已提交
1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329
		return e1000_integrated_phy_loopback(adapter);
		break;

	default:
		/* Default PHY loopback work is to read the MII
		 * control register and assert bit 14 (loopback mode).
		 */
		e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg);
		phy_reg |= MII_CR_LOOPBACK;
		e1000_write_phy_reg(&adapter->hw, PHY_CTRL, phy_reg);
		return 0;
		break;
	}

	return 8;
}

static int
e1000_setup_loopback_test(struct e1000_adapter *adapter)
{
J
Jeff Kirsher 已提交
1330
	struct e1000_hw *hw = &adapter->hw;
L
Linus Torvalds 已提交
1331 1332
	uint32_t rctl;

J
Jeff Kirsher 已提交
1333 1334 1335 1336 1337 1338 1339
	if (hw->media_type == e1000_media_type_fiber ||
	    hw->media_type == e1000_media_type_internal_serdes) {
		switch (hw->mac_type) {
		case e1000_82545:
		case e1000_82546:
		case e1000_82545_rev_3:
		case e1000_82546_rev_3:
L
Linus Torvalds 已提交
1340
			return e1000_set_phy_loopback(adapter);
J
Jeff Kirsher 已提交
1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351
			break;
		case e1000_82571:
		case e1000_82572:
#define E1000_SERDES_LB_ON 0x410
			e1000_set_phy_loopback(adapter);
			E1000_WRITE_REG(hw, SCTL, E1000_SERDES_LB_ON);
			msec_delay(10);
			return 0;
			break;
		default:
			rctl = E1000_READ_REG(hw, RCTL);
L
Linus Torvalds 已提交
1352
			rctl |= E1000_RCTL_LBM_TCVR;
J
Jeff Kirsher 已提交
1353
			E1000_WRITE_REG(hw, RCTL, rctl);
L
Linus Torvalds 已提交
1354 1355
			return 0;
		}
J
Jeff Kirsher 已提交
1356
	} else if (hw->media_type == e1000_media_type_copper)
L
Linus Torvalds 已提交
1357 1358 1359 1360 1361 1362 1363 1364
		return e1000_set_phy_loopback(adapter);

	return 7;
}

static void
e1000_loopback_cleanup(struct e1000_adapter *adapter)
{
J
Jeff Kirsher 已提交
1365
	struct e1000_hw *hw = &adapter->hw;
L
Linus Torvalds 已提交
1366 1367 1368
	uint32_t rctl;
	uint16_t phy_reg;

J
Jeff Kirsher 已提交
1369
	rctl = E1000_READ_REG(hw, RCTL);
L
Linus Torvalds 已提交
1370
	rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
J
Jeff Kirsher 已提交
1371
	E1000_WRITE_REG(hw, RCTL, rctl);
L
Linus Torvalds 已提交
1372

J
Jeff Kirsher 已提交
1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391
	switch (hw->mac_type) {
	case e1000_82571:
	case e1000_82572:
		if (hw->media_type == e1000_media_type_fiber ||
		    hw->media_type == e1000_media_type_internal_serdes) {
#define E1000_SERDES_LB_OFF 0x400
			E1000_WRITE_REG(hw, SCTL, E1000_SERDES_LB_OFF);
			msec_delay(10);
			break;
		}
		/* Fall Through */
	case e1000_82545:
	case e1000_82546:
	case e1000_82545_rev_3:
	case e1000_82546_rev_3:
	default:
		hw->autoneg = TRUE;
		e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
		if (phy_reg & MII_CR_LOOPBACK) {
L
Linus Torvalds 已提交
1392
			phy_reg &= ~MII_CR_LOOPBACK;
J
Jeff Kirsher 已提交
1393 1394
			e1000_write_phy_reg(hw, PHY_CTRL, phy_reg);
			e1000_phy_reset(hw);
L
Linus Torvalds 已提交
1395
		}
J
Jeff Kirsher 已提交
1396
		break;
L
Linus Torvalds 已提交
1397 1398 1399 1400 1401 1402 1403
	}
}

static void
e1000_create_lbtest_frame(struct sk_buff *skb, unsigned int frame_size)
{
	memset(skb->data, 0xFF, frame_size);
1404
	frame_size &= ~1;
L
Linus Torvalds 已提交
1405 1406 1407 1408 1409 1410 1411 1412
	memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
	memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
	memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
}

static int
e1000_check_lbtest_frame(struct sk_buff *skb, unsigned int frame_size)
{
1413
	frame_size &= ~1;
L
Linus Torvalds 已提交
1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425
	if(*(skb->data + 3) == 0xFF) {
		if((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
		   (*(skb->data + frame_size / 2 + 12) == 0xAF)) {
			return 0;
		}
	}
	return 13;
}

static int
e1000_run_loopback_test(struct e1000_adapter *adapter)
{
1426 1427
	struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
	struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
L
Linus Torvalds 已提交
1428
	struct pci_dev *pdev = adapter->pdev;
1429 1430
	int i, j, k, l, lc, good_cnt, ret_val=0;
	unsigned long time;
L
Linus Torvalds 已提交
1431 1432 1433

	E1000_WRITE_REG(&adapter->hw, RDT, rxdr->count - 1);

1434 1435 1436 1437
	/* Calculate the loop count based on the largest descriptor ring 
	 * The idea is to wrap the largest ring a number of times using 64
	 * send/receive pairs during each loop
	 */
L
Linus Torvalds 已提交
1438

1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484
	if(rxdr->count <= txdr->count)
		lc = ((txdr->count / 64) * 2) + 1;
	else
		lc = ((rxdr->count / 64) * 2) + 1;

	k = l = 0;
	for(j = 0; j <= lc; j++) { /* loop count loop */
		for(i = 0; i < 64; i++) { /* send the packets */
			e1000_create_lbtest_frame(txdr->buffer_info[i].skb, 
					1024);
			pci_dma_sync_single_for_device(pdev, 
					txdr->buffer_info[k].dma,
				    	txdr->buffer_info[k].length,
				    	PCI_DMA_TODEVICE);
			if(unlikely(++k == txdr->count)) k = 0;
		}
		E1000_WRITE_REG(&adapter->hw, TDT, k);
		msec_delay(200);
		time = jiffies; /* set the start time for the receive */
		good_cnt = 0;
		do { /* receive the sent packets */
			pci_dma_sync_single_for_cpu(pdev, 
					rxdr->buffer_info[l].dma,
				    	rxdr->buffer_info[l].length,
				    	PCI_DMA_FROMDEVICE);
	
			ret_val = e1000_check_lbtest_frame(
					rxdr->buffer_info[l].skb,
				   	1024);
			if(!ret_val)
				good_cnt++;
			if(unlikely(++l == rxdr->count)) l = 0;
			/* time + 20 msecs (200 msecs on 2.4) is more than 
			 * enough time to complete the receives, if it's 
			 * exceeded, break and error off
			 */
		} while (good_cnt < 64 && jiffies < (time + 20));
		if(good_cnt != 64) {
			ret_val = 13; /* ret_val is the same as mis-compare */
			break; 
		}
		if(jiffies >= (time + 2)) {
			ret_val = 14; /* error code for time out error */
			break;
		}
	} /* end loop count loop */
L
Linus Torvalds 已提交
1485 1486 1487 1488 1489 1490
	return ret_val;
}

static int
e1000_loopback_test(struct e1000_adapter *adapter, uint64_t *data)
{
1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503
	/* PHY loopback cannot be performed if SoL/IDER
	 * sessions are active */
	if (e1000_check_phy_reset_block(&adapter->hw)) {
		DPRINTK(DRV, ERR, "Cannot do PHY loopback test "
		        "when SoL/IDER is active.\n");
		*data = 0;
		goto out;
	}

	if ((*data = e1000_setup_desc_rings(adapter)))
		goto out;
	if ((*data = e1000_setup_loopback_test(adapter)))
		goto err_loopback;
L
Linus Torvalds 已提交
1504 1505
	*data = e1000_run_loopback_test(adapter);
	e1000_loopback_cleanup(adapter);
1506

L
Linus Torvalds 已提交
1507
err_loopback:
1508 1509
	e1000_free_desc_rings(adapter);
out:
L
Linus Torvalds 已提交
1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520
	return *data;
}

static int
e1000_link_test(struct e1000_adapter *adapter, uint64_t *data)
{
	*data = 0;
	if (adapter->hw.media_type == e1000_media_type_internal_serdes) {
		int i = 0;
		adapter->hw.serdes_link_down = TRUE;

1521 1522
		/* On some blade server designs, link establishment
		 * could take as long as 2-3 minutes */
L
Linus Torvalds 已提交
1523 1524 1525 1526 1527 1528 1529
		do {
			e1000_check_for_link(&adapter->hw);
			if (adapter->hw.serdes_link_down == FALSE)
				return *data;
			msec_delay(20);
		} while (i++ < 3750);

1530
		*data = 1;
L
Linus Torvalds 已提交
1531 1532
	} else {
		e1000_check_for_link(&adapter->hw);
1533 1534
		if(adapter->hw.autoneg)  /* if auto_neg is set wait for it */
			msec_delay(4000);
L
Linus Torvalds 已提交
1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552

		if(!(E1000_READ_REG(&adapter->hw, STATUS) & E1000_STATUS_LU)) {
			*data = 1;
		}
	}
	return *data;
}

static int 
e1000_diag_test_count(struct net_device *netdev)
{
	return E1000_TEST_LEN;
}

static void
e1000_diag_test(struct net_device *netdev,
		   struct ethtool_test *eth_test, uint64_t *data)
{
1553
	struct e1000_adapter *adapter = netdev_priv(netdev);
L
Linus Torvalds 已提交
1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 1600 1601 1602 1603 1604 1605 1606 1607
	boolean_t if_running = netif_running(netdev);

	if(eth_test->flags == ETH_TEST_FL_OFFLINE) {
		/* Offline tests */

		/* save speed, duplex, autoneg settings */
		uint16_t autoneg_advertised = adapter->hw.autoneg_advertised;
		uint8_t forced_speed_duplex = adapter->hw.forced_speed_duplex;
		uint8_t autoneg = adapter->hw.autoneg;

		/* Link test performed before hardware reset so autoneg doesn't
		 * interfere with test result */
		if(e1000_link_test(adapter, &data[4]))
			eth_test->flags |= ETH_TEST_FL_FAILED;

		if(if_running)
			e1000_down(adapter);
		else
			e1000_reset(adapter);

		if(e1000_reg_test(adapter, &data[0]))
			eth_test->flags |= ETH_TEST_FL_FAILED;

		e1000_reset(adapter);
		if(e1000_eeprom_test(adapter, &data[1]))
			eth_test->flags |= ETH_TEST_FL_FAILED;

		e1000_reset(adapter);
		if(e1000_intr_test(adapter, &data[2]))
			eth_test->flags |= ETH_TEST_FL_FAILED;

		e1000_reset(adapter);
		if(e1000_loopback_test(adapter, &data[3]))
			eth_test->flags |= ETH_TEST_FL_FAILED;

		/* restore speed, duplex, autoneg settings */
		adapter->hw.autoneg_advertised = autoneg_advertised;
		adapter->hw.forced_speed_duplex = forced_speed_duplex;
		adapter->hw.autoneg = autoneg;

		e1000_reset(adapter);
		if(if_running)
			e1000_up(adapter);
	} else {
		/* Online tests */
		if(e1000_link_test(adapter, &data[4]))
			eth_test->flags |= ETH_TEST_FL_FAILED;

		/* Offline tests aren't run; pass by default */
		data[0] = 0;
		data[1] = 0;
		data[2] = 0;
		data[3] = 0;
	}
1608
	msleep_interruptible(4 * 1000);
L
Linus Torvalds 已提交
1609 1610 1611 1612 1613
}

static void
e1000_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
{
1614
	struct e1000_adapter *adapter = netdev_priv(netdev);
L
Linus Torvalds 已提交
1615 1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 1657 1658
	struct e1000_hw *hw = &adapter->hw;

	switch(adapter->hw.device_id) {
	case E1000_DEV_ID_82542:
	case E1000_DEV_ID_82543GC_FIBER:
	case E1000_DEV_ID_82543GC_COPPER:
	case E1000_DEV_ID_82544EI_FIBER:
	case E1000_DEV_ID_82546EB_QUAD_COPPER:
	case E1000_DEV_ID_82545EM_FIBER:
	case E1000_DEV_ID_82545EM_COPPER:
		wol->supported = 0;
		wol->wolopts   = 0;
		return;

	case E1000_DEV_ID_82546EB_FIBER:
	case E1000_DEV_ID_82546GB_FIBER:
		/* Wake events only supported on port A for dual fiber */
		if(E1000_READ_REG(hw, STATUS) & E1000_STATUS_FUNC_1) {
			wol->supported = 0;
			wol->wolopts   = 0;
			return;
		}
		/* Fall Through */

	default:
		wol->supported = WAKE_UCAST | WAKE_MCAST |
				 WAKE_BCAST | WAKE_MAGIC;

		wol->wolopts = 0;
		if(adapter->wol & E1000_WUFC_EX)
			wol->wolopts |= WAKE_UCAST;
		if(adapter->wol & E1000_WUFC_MC)
			wol->wolopts |= WAKE_MCAST;
		if(adapter->wol & E1000_WUFC_BC)
			wol->wolopts |= WAKE_BCAST;
		if(adapter->wol & E1000_WUFC_MAG)
			wol->wolopts |= WAKE_MAGIC;
		return;
	}
}

static int
e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
{
1659
	struct e1000_adapter *adapter = netdev_priv(netdev);
L
Linus Torvalds 已提交
1660 1661 1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 1672 1673 1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701 1702 1703 1704 1705 1706 1707 1708 1709 1710 1711 1712 1713 1714 1715 1716 1717 1718 1719
	struct e1000_hw *hw = &adapter->hw;

	switch(adapter->hw.device_id) {
	case E1000_DEV_ID_82542:
	case E1000_DEV_ID_82543GC_FIBER:
	case E1000_DEV_ID_82543GC_COPPER:
	case E1000_DEV_ID_82544EI_FIBER:
	case E1000_DEV_ID_82546EB_QUAD_COPPER:
	case E1000_DEV_ID_82545EM_FIBER:
	case E1000_DEV_ID_82545EM_COPPER:
		return wol->wolopts ? -EOPNOTSUPP : 0;

	case E1000_DEV_ID_82546EB_FIBER:
	case E1000_DEV_ID_82546GB_FIBER:
		/* Wake events only supported on port A for dual fiber */
		if(E1000_READ_REG(hw, STATUS) & E1000_STATUS_FUNC_1)
			return wol->wolopts ? -EOPNOTSUPP : 0;
		/* Fall Through */

	default:
		if(wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
			return -EOPNOTSUPP;

		adapter->wol = 0;

		if(wol->wolopts & WAKE_UCAST)
			adapter->wol |= E1000_WUFC_EX;
		if(wol->wolopts & WAKE_MCAST)
			adapter->wol |= E1000_WUFC_MC;
		if(wol->wolopts & WAKE_BCAST)
			adapter->wol |= E1000_WUFC_BC;
		if(wol->wolopts & WAKE_MAGIC)
			adapter->wol |= E1000_WUFC_MAG;
	}

	return 0;
}

/* toggle LED 4 times per second = 2 "blinks" per second */
#define E1000_ID_INTERVAL	(HZ/4)

/* bit defines for adapter->led_status */
#define E1000_LED_ON		0

static void
e1000_led_blink_callback(unsigned long data)
{
	struct e1000_adapter *adapter = (struct e1000_adapter *) data;

	if(test_and_change_bit(E1000_LED_ON, &adapter->led_status))
		e1000_led_off(&adapter->hw);
	else
		e1000_led_on(&adapter->hw);

	mod_timer(&adapter->blink_timer, jiffies + E1000_ID_INTERVAL);
}

static int
e1000_phys_id(struct net_device *netdev, uint32_t data)
{
1720
	struct e1000_adapter *adapter = netdev_priv(netdev);
L
Linus Torvalds 已提交
1721 1722 1723 1724

	if(!data || data > (uint32_t)(MAX_SCHEDULE_TIMEOUT / HZ))
		data = (uint32_t)(MAX_SCHEDULE_TIMEOUT / HZ);

1725
	if(adapter->hw.mac_type < e1000_82571) {
1726 1727 1728 1729 1730 1731 1732 1733 1734
		if(!adapter->blink_timer.function) {
			init_timer(&adapter->blink_timer);
			adapter->blink_timer.function = e1000_led_blink_callback;
			adapter->blink_timer.data = (unsigned long) adapter;
		}
		e1000_setup_led(&adapter->hw);
		mod_timer(&adapter->blink_timer, jiffies);
		msleep_interruptible(data * 1000);
		del_timer_sync(&adapter->blink_timer);
1735 1736 1737 1738 1739 1740 1741 1742 1743 1744 1745 1746 1747 1748 1749
	} else if (adapter->hw.mac_type < e1000_82573) {
		E1000_WRITE_REG(&adapter->hw, LEDCTL,
			(E1000_LEDCTL_LED2_BLINK_RATE |
			 E1000_LEDCTL_LED0_BLINK | E1000_LEDCTL_LED2_BLINK |
			 (E1000_LEDCTL_MODE_LED_ON << E1000_LEDCTL_LED2_MODE_SHIFT) |
			 (E1000_LEDCTL_MODE_LINK_ACTIVITY << E1000_LEDCTL_LED0_MODE_SHIFT) |
			 (E1000_LEDCTL_MODE_LED_OFF << E1000_LEDCTL_LED1_MODE_SHIFT)));
		msleep_interruptible(data * 1000);
	} else {
		E1000_WRITE_REG(&adapter->hw, LEDCTL,
			(E1000_LEDCTL_LED2_BLINK_RATE |
			 E1000_LEDCTL_LED1_BLINK | E1000_LEDCTL_LED2_BLINK |
			 (E1000_LEDCTL_MODE_LED_ON << E1000_LEDCTL_LED2_MODE_SHIFT) |
			 (E1000_LEDCTL_MODE_LINK_ACTIVITY << E1000_LEDCTL_LED1_MODE_SHIFT) |
			 (E1000_LEDCTL_MODE_LED_OFF << E1000_LEDCTL_LED0_MODE_SHIFT)));
1750
		msleep_interruptible(data * 1000);
L
Linus Torvalds 已提交
1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761 1762
	}

	e1000_led_off(&adapter->hw);
	clear_bit(E1000_LED_ON, &adapter->led_status);
	e1000_cleanup_led(&adapter->hw);

	return 0;
}

static int
e1000_nway_reset(struct net_device *netdev)
{
1763
	struct e1000_adapter *adapter = netdev_priv(netdev);
L
Linus Torvalds 已提交
1764 1765 1766 1767 1768 1769 1770 1771 1772 1773 1774 1775 1776 1777 1778 1779 1780
	if(netif_running(netdev)) {
		e1000_down(adapter);
		e1000_up(adapter);
	}
	return 0;
}

static int 
e1000_get_stats_count(struct net_device *netdev)
{
	return E1000_STATS_LEN;
}

static void 
e1000_get_ethtool_stats(struct net_device *netdev, 
		struct ethtool_stats *stats, uint64_t *data)
{
1781
	struct e1000_adapter *adapter = netdev_priv(netdev);
1782 1783 1784 1785 1786
#ifdef CONFIG_E1000_MQ
	uint64_t *queue_stat;
	int stat_count = sizeof(struct e1000_queue_stats) / sizeof(uint64_t);
	int j, k;
#endif
L
Linus Torvalds 已提交
1787 1788 1789
	int i;

	e1000_update_stats(adapter);
1790 1791 1792
	for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
		char *p = (char *)adapter+e1000_gstrings_stats[i].stat_offset;
		data[i] = (e1000_gstrings_stats[i].sizeof_stat ==
L
Linus Torvalds 已提交
1793 1794
			sizeof(uint64_t)) ? *(uint64_t *)p : *(uint32_t *)p;
	}
1795 1796 1797 1798 1799 1800 1801 1802 1803 1804 1805 1806 1807 1808 1809
#ifdef CONFIG_E1000_MQ
	for (j = 0; j < adapter->num_tx_queues; j++) {
		queue_stat = (uint64_t *)&adapter->tx_ring[j].tx_stats;
		for (k = 0; k < stat_count; k++)
			data[i + k] = queue_stat[k];
		i += k;
	}
	for (j = 0; j < adapter->num_rx_queues; j++) {
		queue_stat = (uint64_t *)&adapter->rx_ring[j].rx_stats;
		for (k = 0; k < stat_count; k++)
			data[i + k] = queue_stat[k];
		i += k;
	}
#endif
/*	BUG_ON(i != E1000_STATS_LEN); */
L
Linus Torvalds 已提交
1810 1811 1812 1813 1814
}

static void 
e1000_get_strings(struct net_device *netdev, uint32_t stringset, uint8_t *data)
{
1815 1816 1817 1818
#ifdef CONFIG_E1000_MQ
	struct e1000_adapter *adapter = netdev_priv(netdev);
#endif
	uint8_t *p = data;
L
Linus Torvalds 已提交
1819 1820 1821 1822 1823 1824 1825 1826
	int i;

	switch(stringset) {
	case ETH_SS_TEST:
		memcpy(data, *e1000_gstrings_test, 
			E1000_TEST_LEN*ETH_GSTRING_LEN);
		break;
	case ETH_SS_STATS:
1827 1828 1829 1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840 1841 1842 1843
		for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
			memcpy(p, e1000_gstrings_stats[i].stat_string,
			       ETH_GSTRING_LEN);
			p += ETH_GSTRING_LEN;
		}
#ifdef CONFIG_E1000_MQ
		for (i = 0; i < adapter->num_tx_queues; i++) {
			sprintf(p, "tx_queue_%u_packets", i);
			p += ETH_GSTRING_LEN;
			sprintf(p, "tx_queue_%u_bytes", i);
			p += ETH_GSTRING_LEN;
		}
		for (i = 0; i < adapter->num_rx_queues; i++) {
			sprintf(p, "rx_queue_%u_packets", i);
			p += ETH_GSTRING_LEN;
			sprintf(p, "rx_queue_%u_bytes", i);
			p += ETH_GSTRING_LEN;
L
Linus Torvalds 已提交
1844
		}
1845 1846
#endif
/*		BUG_ON(p - data != E1000_STATS_LEN * ETH_GSTRING_LEN); */
L
Linus Torvalds 已提交
1847 1848 1849 1850
		break;
	}
}

1851
static struct ethtool_ops e1000_ethtool_ops = {
L
Linus Torvalds 已提交
1852 1853 1854 1855 1856 1857 1858 1859 1860 1861 1862 1863 1864 1865 1866 1867 1868 1869 1870 1871 1872 1873 1874 1875 1876 1877 1878 1879 1880 1881 1882 1883 1884 1885
	.get_settings           = e1000_get_settings,
	.set_settings           = e1000_set_settings,
	.get_drvinfo            = e1000_get_drvinfo,
	.get_regs_len           = e1000_get_regs_len,
	.get_regs               = e1000_get_regs,
	.get_wol                = e1000_get_wol,
	.set_wol                = e1000_set_wol,
	.get_msglevel	        = e1000_get_msglevel,
	.set_msglevel	        = e1000_set_msglevel,
	.nway_reset             = e1000_nway_reset,
	.get_link               = ethtool_op_get_link,
	.get_eeprom_len         = e1000_get_eeprom_len,
	.get_eeprom             = e1000_get_eeprom,
	.set_eeprom             = e1000_set_eeprom,
	.get_ringparam          = e1000_get_ringparam,
	.set_ringparam          = e1000_set_ringparam,
	.get_pauseparam		= e1000_get_pauseparam,
	.set_pauseparam		= e1000_set_pauseparam,
	.get_rx_csum		= e1000_get_rx_csum,
	.set_rx_csum		= e1000_set_rx_csum,
	.get_tx_csum		= e1000_get_tx_csum,
	.set_tx_csum		= e1000_set_tx_csum,
	.get_sg			= ethtool_op_get_sg,
	.set_sg			= ethtool_op_set_sg,
#ifdef NETIF_F_TSO
	.get_tso		= ethtool_op_get_tso,
	.set_tso		= e1000_set_tso,
#endif
	.self_test_count        = e1000_diag_test_count,
	.self_test              = e1000_diag_test,
	.get_strings            = e1000_get_strings,
	.phys_id                = e1000_phys_id,
	.get_stats_count        = e1000_get_stats_count,
	.get_ethtool_stats      = e1000_get_ethtool_stats,
1886
	.get_perm_addr		= ethtool_op_get_perm_addr,
L
Linus Torvalds 已提交
1887 1888 1889 1890 1891 1892
};

void e1000_set_ethtool_ops(struct net_device *netdev)
{
	SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops);
}