1 /*******************************************************************************
2 * Intel PRO/1000 Linux driver
3 * Copyright(c) 1999 - 2006 Intel Corporation.
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.
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
14 * The full GNU General Public License is included in this distribution in
15 * the file called "COPYING".
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
22 ******************************************************************************/
24 /* ethtool support for e1000 */
27 #include <linux/jiffies.h>
28 #include <linux/uaccess.h>
30 enum {NETDEV_STATS, E1000_STATS};
33 char stat_string[ETH_GSTRING_LEN];
39 #define E1000_STAT(m) E1000_STATS, \
40 sizeof(((struct e1000_adapter *)0)->m), \
41 offsetof(struct e1000_adapter, m)
42 #define E1000_NETDEV_STAT(m) NETDEV_STATS, \
43 sizeof(((struct net_device *)0)->m), \
44 offsetof(struct net_device, m)
46 static const struct e1000_stats e1000_gstrings_stats[] = {
47 { "rx_packets", E1000_STAT(stats.gprc) },
48 { "tx_packets", E1000_STAT(stats.gptc) },
49 { "rx_bytes", E1000_STAT(stats.gorcl) },
50 { "tx_bytes", E1000_STAT(stats.gotcl) },
51 { "rx_broadcast", E1000_STAT(stats.bprc) },
52 { "tx_broadcast", E1000_STAT(stats.bptc) },
53 { "rx_multicast", E1000_STAT(stats.mprc) },
54 { "tx_multicast", E1000_STAT(stats.mptc) },
55 { "rx_errors", E1000_STAT(stats.rxerrc) },
56 { "tx_errors", E1000_STAT(stats.txerrc) },
57 { "tx_dropped", E1000_NETDEV_STAT(stats.tx_dropped) },
58 { "multicast", E1000_STAT(stats.mprc) },
59 { "collisions", E1000_STAT(stats.colc) },
60 { "rx_length_errors", E1000_STAT(stats.rlerrc) },
61 { "rx_over_errors", E1000_NETDEV_STAT(stats.rx_over_errors) },
62 { "rx_crc_errors", E1000_STAT(stats.crcerrs) },
63 { "rx_frame_errors", E1000_NETDEV_STAT(stats.rx_frame_errors) },
64 { "rx_no_buffer_count", E1000_STAT(stats.rnbc) },
65 { "rx_missed_errors", E1000_STAT(stats.mpc) },
66 { "tx_aborted_errors", E1000_STAT(stats.ecol) },
67 { "tx_carrier_errors", E1000_STAT(stats.tncrs) },
68 { "tx_fifo_errors", E1000_NETDEV_STAT(stats.tx_fifo_errors) },
69 { "tx_heartbeat_errors", E1000_NETDEV_STAT(stats.tx_heartbeat_errors) },
70 { "tx_window_errors", E1000_STAT(stats.latecol) },
71 { "tx_abort_late_coll", E1000_STAT(stats.latecol) },
72 { "tx_deferred_ok", E1000_STAT(stats.dc) },
73 { "tx_single_coll_ok", E1000_STAT(stats.scc) },
74 { "tx_multi_coll_ok", E1000_STAT(stats.mcc) },
75 { "tx_timeout_count", E1000_STAT(tx_timeout_count) },
76 { "tx_restart_queue", E1000_STAT(restart_queue) },
77 { "rx_long_length_errors", E1000_STAT(stats.roc) },
78 { "rx_short_length_errors", E1000_STAT(stats.ruc) },
79 { "rx_align_errors", E1000_STAT(stats.algnerrc) },
80 { "tx_tcp_seg_good", E1000_STAT(stats.tsctc) },
81 { "tx_tcp_seg_failed", E1000_STAT(stats.tsctfc) },
82 { "rx_flow_control_xon", E1000_STAT(stats.xonrxc) },
83 { "rx_flow_control_xoff", E1000_STAT(stats.xoffrxc) },
84 { "tx_flow_control_xon", E1000_STAT(stats.xontxc) },
85 { "tx_flow_control_xoff", E1000_STAT(stats.xofftxc) },
86 { "rx_long_byte_count", E1000_STAT(stats.gorcl) },
87 { "rx_csum_offload_good", E1000_STAT(hw_csum_good) },
88 { "rx_csum_offload_errors", E1000_STAT(hw_csum_err) },
89 { "alloc_rx_buff_failed", E1000_STAT(alloc_rx_buff_failed) },
90 { "tx_smbus", E1000_STAT(stats.mgptc) },
91 { "rx_smbus", E1000_STAT(stats.mgprc) },
92 { "dropped_smbus", E1000_STAT(stats.mgpdc) },
95 #define E1000_QUEUE_STATS_LEN 0
96 #define E1000_GLOBAL_STATS_LEN ARRAY_SIZE(e1000_gstrings_stats)
97 #define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN + E1000_QUEUE_STATS_LEN)
98 static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = {
99 "Register test (offline)", "Eeprom test (offline)",
100 "Interrupt test (offline)", "Loopback test (offline)",
101 "Link test (on/offline)"
104 #define E1000_TEST_LEN ARRAY_SIZE(e1000_gstrings_test)
106 static int e1000_get_settings(struct net_device *netdev,
107 struct ethtool_cmd *ecmd)
109 struct e1000_adapter *adapter = netdev_priv(netdev);
110 struct e1000_hw *hw = &adapter->hw;
112 if (hw->media_type == e1000_media_type_copper) {
113 ecmd->supported = (SUPPORTED_10baseT_Half |
114 SUPPORTED_10baseT_Full |
115 SUPPORTED_100baseT_Half |
116 SUPPORTED_100baseT_Full |
117 SUPPORTED_1000baseT_Full|
120 ecmd->advertising = ADVERTISED_TP;
122 if (hw->autoneg == 1) {
123 ecmd->advertising |= ADVERTISED_Autoneg;
124 /* the e1000 autoneg seems to match ethtool nicely */
125 ecmd->advertising |= hw->autoneg_advertised;
128 ecmd->port = PORT_TP;
129 ecmd->phy_address = hw->phy_addr;
131 if (hw->mac_type == e1000_82543)
132 ecmd->transceiver = XCVR_EXTERNAL;
134 ecmd->transceiver = XCVR_INTERNAL;
137 ecmd->supported = (SUPPORTED_1000baseT_Full |
141 ecmd->advertising = (ADVERTISED_1000baseT_Full |
145 ecmd->port = PORT_FIBRE;
147 if (hw->mac_type >= e1000_82545)
148 ecmd->transceiver = XCVR_INTERNAL;
150 ecmd->transceiver = XCVR_EXTERNAL;
153 if (er32(STATUS) & E1000_STATUS_LU) {
154 e1000_get_speed_and_duplex(hw, &adapter->link_speed,
155 &adapter->link_duplex);
156 ethtool_cmd_speed_set(ecmd, adapter->link_speed);
158 /* unfortunately FULL_DUPLEX != DUPLEX_FULL
159 * and HALF_DUPLEX != DUPLEX_HALF
161 if (adapter->link_duplex == FULL_DUPLEX)
162 ecmd->duplex = DUPLEX_FULL;
164 ecmd->duplex = DUPLEX_HALF;
166 ethtool_cmd_speed_set(ecmd, SPEED_UNKNOWN);
167 ecmd->duplex = DUPLEX_UNKNOWN;
170 ecmd->autoneg = ((hw->media_type == e1000_media_type_fiber) ||
171 hw->autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE;
173 /* MDI-X => 1; MDI => 0 */
174 if ((hw->media_type == e1000_media_type_copper) &&
175 netif_carrier_ok(netdev))
176 ecmd->eth_tp_mdix = (!!adapter->phy_info.mdix_mode ?
177 ETH_TP_MDI_X : ETH_TP_MDI);
179 ecmd->eth_tp_mdix = ETH_TP_MDI_INVALID;
181 if (hw->mdix == AUTO_ALL_MODES)
182 ecmd->eth_tp_mdix_ctrl = ETH_TP_MDI_AUTO;
184 ecmd->eth_tp_mdix_ctrl = hw->mdix;
188 static int e1000_set_settings(struct net_device *netdev,
189 struct ethtool_cmd *ecmd)
191 struct e1000_adapter *adapter = netdev_priv(netdev);
192 struct e1000_hw *hw = &adapter->hw;
194 /* MDI setting is only allowed when autoneg enabled because
195 * some hardware doesn't allow MDI setting when speed or
198 if (ecmd->eth_tp_mdix_ctrl) {
199 if (hw->media_type != e1000_media_type_copper)
202 if ((ecmd->eth_tp_mdix_ctrl != ETH_TP_MDI_AUTO) &&
203 (ecmd->autoneg != AUTONEG_ENABLE)) {
204 e_err(drv, "forcing MDI/MDI-X state is not supported when link speed and/or duplex are forced\n");
209 while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
212 if (ecmd->autoneg == AUTONEG_ENABLE) {
214 if (hw->media_type == e1000_media_type_fiber)
215 hw->autoneg_advertised = ADVERTISED_1000baseT_Full |
219 hw->autoneg_advertised = ecmd->advertising |
222 ecmd->advertising = hw->autoneg_advertised;
224 u32 speed = ethtool_cmd_speed(ecmd);
225 /* calling this overrides forced MDI setting */
226 if (e1000_set_spd_dplx(adapter, speed, ecmd->duplex)) {
227 clear_bit(__E1000_RESETTING, &adapter->flags);
232 /* MDI-X => 2; MDI => 1; Auto => 3 */
233 if (ecmd->eth_tp_mdix_ctrl) {
234 if (ecmd->eth_tp_mdix_ctrl == ETH_TP_MDI_AUTO)
235 hw->mdix = AUTO_ALL_MODES;
237 hw->mdix = ecmd->eth_tp_mdix_ctrl;
242 if (netif_running(adapter->netdev)) {
246 e1000_reset(adapter);
248 clear_bit(__E1000_RESETTING, &adapter->flags);
252 static u32 e1000_get_link(struct net_device *netdev)
254 struct e1000_adapter *adapter = netdev_priv(netdev);
256 /* If the link is not reported up to netdev, interrupts are disabled,
257 * and so the physical link state may have changed since we last
258 * looked. Set get_link_status to make sure that the true link
259 * state is interrogated, rather than pulling a cached and possibly
260 * stale link state from the driver.
262 if (!netif_carrier_ok(netdev))
263 adapter->hw.get_link_status = 1;
265 return e1000_has_link(adapter);
268 static void e1000_get_pauseparam(struct net_device *netdev,
269 struct ethtool_pauseparam *pause)
271 struct e1000_adapter *adapter = netdev_priv(netdev);
272 struct e1000_hw *hw = &adapter->hw;
275 (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE);
277 if (hw->fc == E1000_FC_RX_PAUSE) {
279 } else if (hw->fc == E1000_FC_TX_PAUSE) {
281 } else if (hw->fc == E1000_FC_FULL) {
287 static int e1000_set_pauseparam(struct net_device *netdev,
288 struct ethtool_pauseparam *pause)
290 struct e1000_adapter *adapter = netdev_priv(netdev);
291 struct e1000_hw *hw = &adapter->hw;
294 adapter->fc_autoneg = pause->autoneg;
296 while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
299 if (pause->rx_pause && pause->tx_pause)
300 hw->fc = E1000_FC_FULL;
301 else if (pause->rx_pause && !pause->tx_pause)
302 hw->fc = E1000_FC_RX_PAUSE;
303 else if (!pause->rx_pause && pause->tx_pause)
304 hw->fc = E1000_FC_TX_PAUSE;
305 else if (!pause->rx_pause && !pause->tx_pause)
306 hw->fc = E1000_FC_NONE;
308 hw->original_fc = hw->fc;
310 if (adapter->fc_autoneg == AUTONEG_ENABLE) {
311 if (netif_running(adapter->netdev)) {
315 e1000_reset(adapter);
318 retval = ((hw->media_type == e1000_media_type_fiber) ?
319 e1000_setup_link(hw) : e1000_force_mac_fc(hw));
321 clear_bit(__E1000_RESETTING, &adapter->flags);
325 static u32 e1000_get_msglevel(struct net_device *netdev)
327 struct e1000_adapter *adapter = netdev_priv(netdev);
329 return adapter->msg_enable;
332 static void e1000_set_msglevel(struct net_device *netdev, u32 data)
334 struct e1000_adapter *adapter = netdev_priv(netdev);
336 adapter->msg_enable = data;
339 static int e1000_get_regs_len(struct net_device *netdev)
341 #define E1000_REGS_LEN 32
342 return E1000_REGS_LEN * sizeof(u32);
345 static void e1000_get_regs(struct net_device *netdev, struct ethtool_regs *regs,
348 struct e1000_adapter *adapter = netdev_priv(netdev);
349 struct e1000_hw *hw = &adapter->hw;
353 memset(p, 0, E1000_REGS_LEN * sizeof(u32));
355 regs->version = (1 << 24) | (hw->revision_id << 16) | hw->device_id;
357 regs_buff[0] = er32(CTRL);
358 regs_buff[1] = er32(STATUS);
360 regs_buff[2] = er32(RCTL);
361 regs_buff[3] = er32(RDLEN);
362 regs_buff[4] = er32(RDH);
363 regs_buff[5] = er32(RDT);
364 regs_buff[6] = er32(RDTR);
366 regs_buff[7] = er32(TCTL);
367 regs_buff[8] = er32(TDLEN);
368 regs_buff[9] = er32(TDH);
369 regs_buff[10] = er32(TDT);
370 regs_buff[11] = er32(TIDV);
372 regs_buff[12] = hw->phy_type; /* PHY type (IGP=1, M88=0) */
373 if (hw->phy_type == e1000_phy_igp) {
374 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
375 IGP01E1000_PHY_AGC_A);
376 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_A &
377 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
378 regs_buff[13] = (u32)phy_data; /* cable length */
379 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
380 IGP01E1000_PHY_AGC_B);
381 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_B &
382 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
383 regs_buff[14] = (u32)phy_data; /* cable length */
384 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
385 IGP01E1000_PHY_AGC_C);
386 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_C &
387 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
388 regs_buff[15] = (u32)phy_data; /* cable length */
389 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
390 IGP01E1000_PHY_AGC_D);
391 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_D &
392 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
393 regs_buff[16] = (u32)phy_data; /* cable length */
394 regs_buff[17] = 0; /* extended 10bt distance (not needed) */
395 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0);
396 e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_STATUS &
397 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
398 regs_buff[18] = (u32)phy_data; /* cable polarity */
399 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
400 IGP01E1000_PHY_PCS_INIT_REG);
401 e1000_read_phy_reg(hw, IGP01E1000_PHY_PCS_INIT_REG &
402 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
403 regs_buff[19] = (u32)phy_data; /* cable polarity */
404 regs_buff[20] = 0; /* polarity correction enabled (always) */
405 regs_buff[22] = 0; /* phy receive errors (unavailable) */
406 regs_buff[23] = regs_buff[18]; /* mdix mode */
407 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0);
409 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
410 regs_buff[13] = (u32)phy_data; /* cable length */
411 regs_buff[14] = 0; /* Dummy (to align w/ IGP phy reg dump) */
412 regs_buff[15] = 0; /* Dummy (to align w/ IGP phy reg dump) */
413 regs_buff[16] = 0; /* Dummy (to align w/ IGP phy reg dump) */
414 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
415 regs_buff[17] = (u32)phy_data; /* extended 10bt distance */
416 regs_buff[18] = regs_buff[13]; /* cable polarity */
417 regs_buff[19] = 0; /* Dummy (to align w/ IGP phy reg dump) */
418 regs_buff[20] = regs_buff[17]; /* polarity correction */
419 /* phy receive errors */
420 regs_buff[22] = adapter->phy_stats.receive_errors;
421 regs_buff[23] = regs_buff[13]; /* mdix mode */
423 regs_buff[21] = adapter->phy_stats.idle_errors; /* phy idle errors */
424 e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_data);
425 regs_buff[24] = (u32)phy_data; /* phy local receiver status */
426 regs_buff[25] = regs_buff[24]; /* phy remote receiver status */
427 if (hw->mac_type >= e1000_82540 &&
428 hw->media_type == e1000_media_type_copper) {
429 regs_buff[26] = er32(MANC);
433 static int e1000_get_eeprom_len(struct net_device *netdev)
435 struct e1000_adapter *adapter = netdev_priv(netdev);
436 struct e1000_hw *hw = &adapter->hw;
438 return hw->eeprom.word_size * 2;
441 static int e1000_get_eeprom(struct net_device *netdev,
442 struct ethtool_eeprom *eeprom, u8 *bytes)
444 struct e1000_adapter *adapter = netdev_priv(netdev);
445 struct e1000_hw *hw = &adapter->hw;
447 int first_word, last_word;
451 if (eeprom->len == 0)
454 eeprom->magic = hw->vendor_id | (hw->device_id << 16);
456 first_word = eeprom->offset >> 1;
457 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
459 eeprom_buff = kmalloc(sizeof(u16) *
460 (last_word - first_word + 1), GFP_KERNEL);
464 if (hw->eeprom.type == e1000_eeprom_spi)
465 ret_val = e1000_read_eeprom(hw, first_word,
466 last_word - first_word + 1,
469 for (i = 0; i < last_word - first_word + 1; i++) {
470 ret_val = e1000_read_eeprom(hw, first_word + i, 1,
477 /* Device's eeprom is always little-endian, word addressable */
478 for (i = 0; i < last_word - first_word + 1; i++)
479 le16_to_cpus(&eeprom_buff[i]);
481 memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1),
488 static int e1000_set_eeprom(struct net_device *netdev,
489 struct ethtool_eeprom *eeprom, u8 *bytes)
491 struct e1000_adapter *adapter = netdev_priv(netdev);
492 struct e1000_hw *hw = &adapter->hw;
495 int max_len, first_word, last_word, ret_val = 0;
498 if (eeprom->len == 0)
501 if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
504 max_len = hw->eeprom.word_size * 2;
506 first_word = eeprom->offset >> 1;
507 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
508 eeprom_buff = kmalloc(max_len, GFP_KERNEL);
512 ptr = (void *)eeprom_buff;
514 if (eeprom->offset & 1) {
515 /* need read/modify/write of first changed EEPROM word
516 * only the second byte of the word is being modified
518 ret_val = e1000_read_eeprom(hw, first_word, 1,
522 if (((eeprom->offset + eeprom->len) & 1) && (ret_val == 0)) {
523 /* need read/modify/write of last changed EEPROM word
524 * only the first byte of the word is being modified
526 ret_val = e1000_read_eeprom(hw, last_word, 1,
527 &eeprom_buff[last_word - first_word]);
530 /* Device's eeprom is always little-endian, word addressable */
531 for (i = 0; i < last_word - first_word + 1; i++)
532 le16_to_cpus(&eeprom_buff[i]);
534 memcpy(ptr, bytes, eeprom->len);
536 for (i = 0; i < last_word - first_word + 1; i++)
537 eeprom_buff[i] = cpu_to_le16(eeprom_buff[i]);
539 ret_val = e1000_write_eeprom(hw, first_word,
540 last_word - first_word + 1, eeprom_buff);
542 /* Update the checksum over the first part of the EEPROM if needed */
543 if ((ret_val == 0) && (first_word <= EEPROM_CHECKSUM_REG))
544 e1000_update_eeprom_checksum(hw);
550 static void e1000_get_drvinfo(struct net_device *netdev,
551 struct ethtool_drvinfo *drvinfo)
553 struct e1000_adapter *adapter = netdev_priv(netdev);
555 strlcpy(drvinfo->driver, e1000_driver_name,
556 sizeof(drvinfo->driver));
557 strlcpy(drvinfo->version, e1000_driver_version,
558 sizeof(drvinfo->version));
560 strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
561 sizeof(drvinfo->bus_info));
564 static void e1000_get_ringparam(struct net_device *netdev,
565 struct ethtool_ringparam *ring)
567 struct e1000_adapter *adapter = netdev_priv(netdev);
568 struct e1000_hw *hw = &adapter->hw;
569 e1000_mac_type mac_type = hw->mac_type;
570 struct e1000_tx_ring *txdr = adapter->tx_ring;
571 struct e1000_rx_ring *rxdr = adapter->rx_ring;
573 ring->rx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_RXD :
575 ring->tx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_TXD :
577 ring->rx_pending = rxdr->count;
578 ring->tx_pending = txdr->count;
581 static int e1000_set_ringparam(struct net_device *netdev,
582 struct ethtool_ringparam *ring)
584 struct e1000_adapter *adapter = netdev_priv(netdev);
585 struct e1000_hw *hw = &adapter->hw;
586 e1000_mac_type mac_type = hw->mac_type;
587 struct e1000_tx_ring *txdr, *tx_old;
588 struct e1000_rx_ring *rxdr, *rx_old;
591 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
594 while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
597 if (netif_running(adapter->netdev))
600 tx_old = adapter->tx_ring;
601 rx_old = adapter->rx_ring;
604 txdr = kcalloc(adapter->num_tx_queues, sizeof(struct e1000_tx_ring),
609 rxdr = kcalloc(adapter->num_rx_queues, sizeof(struct e1000_rx_ring),
614 adapter->tx_ring = txdr;
615 adapter->rx_ring = rxdr;
617 rxdr->count = max(ring->rx_pending, (u32)E1000_MIN_RXD);
618 rxdr->count = min(rxdr->count, (u32)(mac_type < e1000_82544 ?
619 E1000_MAX_RXD : E1000_MAX_82544_RXD));
620 rxdr->count = ALIGN(rxdr->count, REQ_RX_DESCRIPTOR_MULTIPLE);
621 txdr->count = max(ring->tx_pending, (u32)E1000_MIN_TXD);
622 txdr->count = min(txdr->count, (u32)(mac_type < e1000_82544 ?
623 E1000_MAX_TXD : E1000_MAX_82544_TXD));
624 txdr->count = ALIGN(txdr->count, REQ_TX_DESCRIPTOR_MULTIPLE);
626 for (i = 0; i < adapter->num_tx_queues; i++)
627 txdr[i].count = txdr->count;
628 for (i = 0; i < adapter->num_rx_queues; i++)
629 rxdr[i].count = rxdr->count;
631 if (netif_running(adapter->netdev)) {
632 /* Try to get new resources before deleting old */
633 err = e1000_setup_all_rx_resources(adapter);
636 err = e1000_setup_all_tx_resources(adapter);
640 /* save the new, restore the old in order to free it,
641 * then restore the new back again
644 adapter->rx_ring = rx_old;
645 adapter->tx_ring = tx_old;
646 e1000_free_all_rx_resources(adapter);
647 e1000_free_all_tx_resources(adapter);
650 adapter->rx_ring = rxdr;
651 adapter->tx_ring = txdr;
652 err = e1000_up(adapter);
657 clear_bit(__E1000_RESETTING, &adapter->flags);
660 e1000_free_all_rx_resources(adapter);
662 adapter->rx_ring = rx_old;
663 adapter->tx_ring = tx_old;
670 clear_bit(__E1000_RESETTING, &adapter->flags);
674 static bool reg_pattern_test(struct e1000_adapter *adapter, u64 *data, int reg,
677 struct e1000_hw *hw = &adapter->hw;
678 static const u32 test[] = {
679 0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF
681 u8 __iomem *address = hw->hw_addr + reg;
685 for (i = 0; i < ARRAY_SIZE(test); i++) {
686 writel(write & test[i], address);
687 read = readl(address);
688 if (read != (write & test[i] & mask)) {
689 e_err(drv, "pattern test reg %04X failed: "
690 "got 0x%08X expected 0x%08X\n",
691 reg, read, (write & test[i] & mask));
699 static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data, int reg,
702 struct e1000_hw *hw = &adapter->hw;
703 u8 __iomem *address = hw->hw_addr + reg;
706 writel(write & mask, address);
707 read = readl(address);
708 if ((read & mask) != (write & mask)) {
709 e_err(drv, "set/check reg %04X test failed: "
710 "got 0x%08X expected 0x%08X\n",
711 reg, (read & mask), (write & mask));
718 #define REG_PATTERN_TEST(reg, mask, write) \
720 if (reg_pattern_test(adapter, data, \
721 (hw->mac_type >= e1000_82543) \
722 ? E1000_##reg : E1000_82542_##reg, \
727 #define REG_SET_AND_CHECK(reg, mask, write) \
729 if (reg_set_and_check(adapter, data, \
730 (hw->mac_type >= e1000_82543) \
731 ? E1000_##reg : E1000_82542_##reg, \
736 static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data)
738 u32 value, before, after;
740 struct e1000_hw *hw = &adapter->hw;
742 /* The status register is Read Only, so a write should fail.
743 * Some bits that get toggled are ignored.
746 /* there are several bits on newer hardware that are r/w */
749 before = er32(STATUS);
750 value = (er32(STATUS) & toggle);
751 ew32(STATUS, toggle);
752 after = er32(STATUS) & toggle;
753 if (value != after) {
754 e_err(drv, "failed STATUS register test got: "
755 "0x%08X expected: 0x%08X\n", after, value);
759 /* restore previous status */
760 ew32(STATUS, before);
762 REG_PATTERN_TEST(FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
763 REG_PATTERN_TEST(FCAH, 0x0000FFFF, 0xFFFFFFFF);
764 REG_PATTERN_TEST(FCT, 0x0000FFFF, 0xFFFFFFFF);
765 REG_PATTERN_TEST(VET, 0x0000FFFF, 0xFFFFFFFF);
767 REG_PATTERN_TEST(RDTR, 0x0000FFFF, 0xFFFFFFFF);
768 REG_PATTERN_TEST(RDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
769 REG_PATTERN_TEST(RDLEN, 0x000FFF80, 0x000FFFFF);
770 REG_PATTERN_TEST(RDH, 0x0000FFFF, 0x0000FFFF);
771 REG_PATTERN_TEST(RDT, 0x0000FFFF, 0x0000FFFF);
772 REG_PATTERN_TEST(FCRTH, 0x0000FFF8, 0x0000FFF8);
773 REG_PATTERN_TEST(FCTTV, 0x0000FFFF, 0x0000FFFF);
774 REG_PATTERN_TEST(TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
775 REG_PATTERN_TEST(TDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
776 REG_PATTERN_TEST(TDLEN, 0x000FFF80, 0x000FFFFF);
778 REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x00000000);
781 REG_SET_AND_CHECK(RCTL, before, 0x003FFFFB);
782 REG_SET_AND_CHECK(TCTL, 0xFFFFFFFF, 0x00000000);
784 if (hw->mac_type >= e1000_82543) {
785 REG_SET_AND_CHECK(RCTL, before, 0xFFFFFFFF);
786 REG_PATTERN_TEST(RDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
787 REG_PATTERN_TEST(TXCW, 0xC000FFFF, 0x0000FFFF);
788 REG_PATTERN_TEST(TDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
789 REG_PATTERN_TEST(TIDV, 0x0000FFFF, 0x0000FFFF);
790 value = E1000_RAR_ENTRIES;
791 for (i = 0; i < value; i++) {
792 REG_PATTERN_TEST(RA + (((i << 1) + 1) << 2),
793 0x8003FFFF, 0xFFFFFFFF);
796 REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x01FFFFFF);
797 REG_PATTERN_TEST(RDBAL, 0xFFFFF000, 0xFFFFFFFF);
798 REG_PATTERN_TEST(TXCW, 0x0000FFFF, 0x0000FFFF);
799 REG_PATTERN_TEST(TDBAL, 0xFFFFF000, 0xFFFFFFFF);
802 value = E1000_MC_TBL_SIZE;
803 for (i = 0; i < value; i++)
804 REG_PATTERN_TEST(MTA + (i << 2), 0xFFFFFFFF, 0xFFFFFFFF);
810 static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data)
812 struct e1000_hw *hw = &adapter->hw;
818 /* Read and add up the contents of the EEPROM */
819 for (i = 0; i < (EEPROM_CHECKSUM_REG + 1); i++) {
820 if ((e1000_read_eeprom(hw, i, 1, &temp)) < 0) {
827 /* If Checksum is not Correct return error else test passed */
828 if ((checksum != (u16)EEPROM_SUM) && !(*data))
834 static irqreturn_t e1000_test_intr(int irq, void *data)
836 struct net_device *netdev = (struct net_device *)data;
837 struct e1000_adapter *adapter = netdev_priv(netdev);
838 struct e1000_hw *hw = &adapter->hw;
840 adapter->test_icr |= er32(ICR);
845 static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data)
847 struct net_device *netdev = adapter->netdev;
849 bool shared_int = true;
850 u32 irq = adapter->pdev->irq;
851 struct e1000_hw *hw = &adapter->hw;
855 /* NOTE: we don't test MSI interrupts here, yet
856 * Hook up test interrupt handler just for this test
858 if (!request_irq(irq, e1000_test_intr, IRQF_PROBE_SHARED, netdev->name,
861 else if (request_irq(irq, e1000_test_intr, IRQF_SHARED,
862 netdev->name, netdev)) {
866 e_info(hw, "testing %s interrupt\n", (shared_int ?
867 "shared" : "unshared"));
869 /* Disable all the interrupts */
870 ew32(IMC, 0xFFFFFFFF);
874 /* Test each interrupt */
875 for (; i < 10; i++) {
876 /* Interrupt to test */
880 /* Disable the interrupt to be reported in
881 * the cause register and then force the same
882 * interrupt and see if one gets posted. If
883 * an interrupt was posted to the bus, the
886 adapter->test_icr = 0;
892 if (adapter->test_icr & mask) {
898 /* Enable the interrupt to be reported in
899 * the cause register and then force the same
900 * interrupt and see if one gets posted. If
901 * an interrupt was not posted to the bus, the
904 adapter->test_icr = 0;
910 if (!(adapter->test_icr & mask)) {
916 /* Disable the other interrupts to be reported in
917 * the cause register and then force the other
918 * interrupts and see if any get posted. If
919 * an interrupt was posted to the bus, the
922 adapter->test_icr = 0;
923 ew32(IMC, ~mask & 0x00007FFF);
924 ew32(ICS, ~mask & 0x00007FFF);
928 if (adapter->test_icr) {
935 /* Disable all the interrupts */
936 ew32(IMC, 0xFFFFFFFF);
940 /* Unhook test interrupt handler */
941 free_irq(irq, netdev);
946 static void e1000_free_desc_rings(struct e1000_adapter *adapter)
948 struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
949 struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
950 struct pci_dev *pdev = adapter->pdev;
953 if (txdr->desc && txdr->buffer_info) {
954 for (i = 0; i < txdr->count; i++) {
955 if (txdr->buffer_info[i].dma)
956 dma_unmap_single(&pdev->dev,
957 txdr->buffer_info[i].dma,
958 txdr->buffer_info[i].length,
960 if (txdr->buffer_info[i].skb)
961 dev_kfree_skb(txdr->buffer_info[i].skb);
965 if (rxdr->desc && rxdr->buffer_info) {
966 for (i = 0; i < rxdr->count; i++) {
967 if (rxdr->buffer_info[i].dma)
968 dma_unmap_single(&pdev->dev,
969 rxdr->buffer_info[i].dma,
972 kfree(rxdr->buffer_info[i].rxbuf.data);
977 dma_free_coherent(&pdev->dev, txdr->size, txdr->desc,
982 dma_free_coherent(&pdev->dev, rxdr->size, rxdr->desc,
987 kfree(txdr->buffer_info);
988 txdr->buffer_info = NULL;
989 kfree(rxdr->buffer_info);
990 rxdr->buffer_info = NULL;
993 static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
995 struct e1000_hw *hw = &adapter->hw;
996 struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
997 struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
998 struct pci_dev *pdev = adapter->pdev;
1002 /* Setup Tx descriptor ring and Tx buffers */
1005 txdr->count = E1000_DEFAULT_TXD;
1007 txdr->buffer_info = kcalloc(txdr->count, sizeof(struct e1000_tx_buffer),
1009 if (!txdr->buffer_info) {
1014 txdr->size = txdr->count * sizeof(struct e1000_tx_desc);
1015 txdr->size = ALIGN(txdr->size, 4096);
1016 txdr->desc = dma_zalloc_coherent(&pdev->dev, txdr->size, &txdr->dma,
1022 txdr->next_to_use = txdr->next_to_clean = 0;
1024 ew32(TDBAL, ((u64)txdr->dma & 0x00000000FFFFFFFF));
1025 ew32(TDBAH, ((u64)txdr->dma >> 32));
1026 ew32(TDLEN, txdr->count * sizeof(struct e1000_tx_desc));
1029 ew32(TCTL, E1000_TCTL_PSP | E1000_TCTL_EN |
1030 E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
1031 E1000_FDX_COLLISION_DISTANCE << E1000_COLD_SHIFT);
1033 for (i = 0; i < txdr->count; i++) {
1034 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*txdr, i);
1035 struct sk_buff *skb;
1036 unsigned int size = 1024;
1038 skb = alloc_skb(size, GFP_KERNEL);
1044 txdr->buffer_info[i].skb = skb;
1045 txdr->buffer_info[i].length = skb->len;
1046 txdr->buffer_info[i].dma =
1047 dma_map_single(&pdev->dev, skb->data, skb->len,
1049 if (dma_mapping_error(&pdev->dev, txdr->buffer_info[i].dma)) {
1053 tx_desc->buffer_addr = cpu_to_le64(txdr->buffer_info[i].dma);
1054 tx_desc->lower.data = cpu_to_le32(skb->len);
1055 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
1056 E1000_TXD_CMD_IFCS |
1058 tx_desc->upper.data = 0;
1061 /* Setup Rx descriptor ring and Rx buffers */
1064 rxdr->count = E1000_DEFAULT_RXD;
1066 rxdr->buffer_info = kcalloc(rxdr->count, sizeof(struct e1000_rx_buffer),
1068 if (!rxdr->buffer_info) {
1073 rxdr->size = rxdr->count * sizeof(struct e1000_rx_desc);
1074 rxdr->desc = dma_zalloc_coherent(&pdev->dev, rxdr->size, &rxdr->dma,
1080 rxdr->next_to_use = rxdr->next_to_clean = 0;
1083 ew32(RCTL, rctl & ~E1000_RCTL_EN);
1084 ew32(RDBAL, ((u64)rxdr->dma & 0xFFFFFFFF));
1085 ew32(RDBAH, ((u64)rxdr->dma >> 32));
1086 ew32(RDLEN, rxdr->size);
1089 rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
1090 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
1091 (hw->mc_filter_type << E1000_RCTL_MO_SHIFT);
1094 for (i = 0; i < rxdr->count; i++) {
1095 struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rxdr, i);
1098 buf = kzalloc(E1000_RXBUFFER_2048 + NET_SKB_PAD + NET_IP_ALIGN,
1104 rxdr->buffer_info[i].rxbuf.data = buf;
1106 rxdr->buffer_info[i].dma =
1107 dma_map_single(&pdev->dev,
1108 buf + NET_SKB_PAD + NET_IP_ALIGN,
1109 E1000_RXBUFFER_2048, DMA_FROM_DEVICE);
1110 if (dma_mapping_error(&pdev->dev, rxdr->buffer_info[i].dma)) {
1114 rx_desc->buffer_addr = cpu_to_le64(rxdr->buffer_info[i].dma);
1120 e1000_free_desc_rings(adapter);
1124 static void e1000_phy_disable_receiver(struct e1000_adapter *adapter)
1126 struct e1000_hw *hw = &adapter->hw;
1128 /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1129 e1000_write_phy_reg(hw, 29, 0x001F);
1130 e1000_write_phy_reg(hw, 30, 0x8FFC);
1131 e1000_write_phy_reg(hw, 29, 0x001A);
1132 e1000_write_phy_reg(hw, 30, 0x8FF0);
1135 static void e1000_phy_reset_clk_and_crs(struct e1000_adapter *adapter)
1137 struct e1000_hw *hw = &adapter->hw;
1140 /* Because we reset the PHY above, we need to re-force TX_CLK in the
1141 * Extended PHY Specific Control Register to 25MHz clock. This
1142 * value defaults back to a 2.5MHz clock when the PHY is reset.
1144 e1000_read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
1145 phy_reg |= M88E1000_EPSCR_TX_CLK_25;
1146 e1000_write_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, phy_reg);
1148 /* In addition, because of the s/w reset above, we need to enable
1149 * CRS on TX. This must be set for both full and half duplex
1152 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);
1153 phy_reg |= M88E1000_PSCR_ASSERT_CRS_ON_TX;
1154 e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_reg);
1157 static int e1000_nonintegrated_phy_loopback(struct e1000_adapter *adapter)
1159 struct e1000_hw *hw = &adapter->hw;
1163 /* Setup the Device Control Register for PHY loopback test. */
1165 ctrl_reg = er32(CTRL);
1166 ctrl_reg |= (E1000_CTRL_ILOS | /* Invert Loss-Of-Signal */
1167 E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1168 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1169 E1000_CTRL_SPD_1000 | /* Force Speed to 1000 */
1170 E1000_CTRL_FD); /* Force Duplex to FULL */
1172 ew32(CTRL, ctrl_reg);
1174 /* Read the PHY Specific Control Register (0x10) */
1175 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);
1177 /* Clear Auto-Crossover bits in PHY Specific Control Register
1180 phy_reg &= ~M88E1000_PSCR_AUTO_X_MODE;
1181 e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_reg);
1183 /* Perform software reset on the PHY */
1184 e1000_phy_reset(hw);
1186 /* Have to setup TX_CLK and TX_CRS after software reset */
1187 e1000_phy_reset_clk_and_crs(adapter);
1189 e1000_write_phy_reg(hw, PHY_CTRL, 0x8100);
1191 /* Wait for reset to complete. */
1194 /* Have to setup TX_CLK and TX_CRS after software reset */
1195 e1000_phy_reset_clk_and_crs(adapter);
1197 /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1198 e1000_phy_disable_receiver(adapter);
1200 /* Set the loopback bit in the PHY control register. */
1201 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1202 phy_reg |= MII_CR_LOOPBACK;
1203 e1000_write_phy_reg(hw, PHY_CTRL, phy_reg);
1205 /* Setup TX_CLK and TX_CRS one more time. */
1206 e1000_phy_reset_clk_and_crs(adapter);
1208 /* Check Phy Configuration */
1209 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1210 if (phy_reg != 0x4100)
1213 e1000_read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
1214 if (phy_reg != 0x0070)
1217 e1000_read_phy_reg(hw, 29, &phy_reg);
1218 if (phy_reg != 0x001A)
1224 static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
1226 struct e1000_hw *hw = &adapter->hw;
1230 hw->autoneg = false;
1232 if (hw->phy_type == e1000_phy_m88) {
1233 /* Auto-MDI/MDIX Off */
1234 e1000_write_phy_reg(hw,
1235 M88E1000_PHY_SPEC_CTRL, 0x0808);
1236 /* reset to update Auto-MDI/MDIX */
1237 e1000_write_phy_reg(hw, PHY_CTRL, 0x9140);
1239 e1000_write_phy_reg(hw, PHY_CTRL, 0x8140);
1242 ctrl_reg = er32(CTRL);
1244 /* force 1000, set loopback */
1245 e1000_write_phy_reg(hw, PHY_CTRL, 0x4140);
1247 /* Now set up the MAC to the same speed/duplex as the PHY. */
1248 ctrl_reg = er32(CTRL);
1249 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1250 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1251 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1252 E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
1253 E1000_CTRL_FD); /* Force Duplex to FULL */
1255 if (hw->media_type == e1000_media_type_copper &&
1256 hw->phy_type == e1000_phy_m88)
1257 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
1259 /* Set the ILOS bit on the fiber Nic is half
1260 * duplex link is detected.
1262 stat_reg = er32(STATUS);
1263 if ((stat_reg & E1000_STATUS_FD) == 0)
1264 ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
1267 ew32(CTRL, ctrl_reg);
1269 /* Disable the receiver on the PHY so when a cable is plugged in, the
1270 * PHY does not begin to autoneg when a cable is reconnected to the NIC.
1272 if (hw->phy_type == e1000_phy_m88)
1273 e1000_phy_disable_receiver(adapter);
1280 static int e1000_set_phy_loopback(struct e1000_adapter *adapter)
1282 struct e1000_hw *hw = &adapter->hw;
1286 switch (hw->mac_type) {
1288 if (hw->media_type == e1000_media_type_copper) {
1289 /* Attempt to setup Loopback mode on Non-integrated PHY.
1290 * Some PHY registers get corrupted at random, so
1291 * attempt this 10 times.
1293 while (e1000_nonintegrated_phy_loopback(adapter) &&
1303 case e1000_82545_rev_3:
1305 case e1000_82546_rev_3:
1307 case e1000_82541_rev_2:
1309 case e1000_82547_rev_2:
1310 return e1000_integrated_phy_loopback(adapter);
1312 /* Default PHY loopback work is to read the MII
1313 * control register and assert bit 14 (loopback mode).
1315 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1316 phy_reg |= MII_CR_LOOPBACK;
1317 e1000_write_phy_reg(hw, PHY_CTRL, phy_reg);
1324 static int e1000_setup_loopback_test(struct e1000_adapter *adapter)
1326 struct e1000_hw *hw = &adapter->hw;
1329 if (hw->media_type == e1000_media_type_fiber ||
1330 hw->media_type == e1000_media_type_internal_serdes) {
1331 switch (hw->mac_type) {
1334 case e1000_82545_rev_3:
1335 case e1000_82546_rev_3:
1336 return e1000_set_phy_loopback(adapter);
1339 rctl |= E1000_RCTL_LBM_TCVR;
1343 } else if (hw->media_type == e1000_media_type_copper) {
1344 return e1000_set_phy_loopback(adapter);
1350 static void e1000_loopback_cleanup(struct e1000_adapter *adapter)
1352 struct e1000_hw *hw = &adapter->hw;
1357 rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
1360 switch (hw->mac_type) {
1363 case e1000_82545_rev_3:
1364 case e1000_82546_rev_3:
1367 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1368 if (phy_reg & MII_CR_LOOPBACK) {
1369 phy_reg &= ~MII_CR_LOOPBACK;
1370 e1000_write_phy_reg(hw, PHY_CTRL, phy_reg);
1371 e1000_phy_reset(hw);
1377 static void e1000_create_lbtest_frame(struct sk_buff *skb,
1378 unsigned int frame_size)
1380 memset(skb->data, 0xFF, frame_size);
1382 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1383 memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
1384 memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
1387 static int e1000_check_lbtest_frame(const unsigned char *data,
1388 unsigned int frame_size)
1391 if (*(data + 3) == 0xFF) {
1392 if ((*(data + frame_size / 2 + 10) == 0xBE) &&
1393 (*(data + frame_size / 2 + 12) == 0xAF)) {
1400 static int e1000_run_loopback_test(struct e1000_adapter *adapter)
1402 struct e1000_hw *hw = &adapter->hw;
1403 struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
1404 struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
1405 struct pci_dev *pdev = adapter->pdev;
1406 int i, j, k, l, lc, good_cnt, ret_val = 0;
1409 ew32(RDT, rxdr->count - 1);
1411 /* Calculate the loop count based on the largest descriptor ring
1412 * The idea is to wrap the largest ring a number of times using 64
1413 * send/receive pairs during each loop
1416 if (rxdr->count <= txdr->count)
1417 lc = ((txdr->count / 64) * 2) + 1;
1419 lc = ((rxdr->count / 64) * 2) + 1;
1422 for (j = 0; j <= lc; j++) { /* loop count loop */
1423 for (i = 0; i < 64; i++) { /* send the packets */
1424 e1000_create_lbtest_frame(txdr->buffer_info[i].skb,
1426 dma_sync_single_for_device(&pdev->dev,
1427 txdr->buffer_info[k].dma,
1428 txdr->buffer_info[k].length,
1430 if (unlikely(++k == txdr->count))
1434 E1000_WRITE_FLUSH();
1436 time = jiffies; /* set the start time for the receive */
1438 do { /* receive the sent packets */
1439 dma_sync_single_for_cpu(&pdev->dev,
1440 rxdr->buffer_info[l].dma,
1441 E1000_RXBUFFER_2048,
1444 ret_val = e1000_check_lbtest_frame(
1445 rxdr->buffer_info[l].rxbuf.data +
1446 NET_SKB_PAD + NET_IP_ALIGN,
1450 if (unlikely(++l == rxdr->count))
1452 /* time + 20 msecs (200 msecs on 2.4) is more than
1453 * enough time to complete the receives, if it's
1454 * exceeded, break and error off
1456 } while (good_cnt < 64 && time_after(time + 20, jiffies));
1458 if (good_cnt != 64) {
1459 ret_val = 13; /* ret_val is the same as mis-compare */
1462 if (time_after_eq(jiffies, time + 2)) {
1463 ret_val = 14; /* error code for time out error */
1466 } /* end loop count loop */
1470 static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data)
1472 *data = e1000_setup_desc_rings(adapter);
1475 *data = e1000_setup_loopback_test(adapter);
1478 *data = e1000_run_loopback_test(adapter);
1479 e1000_loopback_cleanup(adapter);
1482 e1000_free_desc_rings(adapter);
1487 static int e1000_link_test(struct e1000_adapter *adapter, u64 *data)
1489 struct e1000_hw *hw = &adapter->hw;
1491 if (hw->media_type == e1000_media_type_internal_serdes) {
1494 hw->serdes_has_link = false;
1496 /* On some blade server designs, link establishment
1497 * could take as long as 2-3 minutes
1500 e1000_check_for_link(hw);
1501 if (hw->serdes_has_link)
1504 } while (i++ < 3750);
1508 e1000_check_for_link(hw);
1509 if (hw->autoneg) /* if auto_neg is set wait for it */
1512 if (!(er32(STATUS) & E1000_STATUS_LU))
1518 static int e1000_get_sset_count(struct net_device *netdev, int sset)
1522 return E1000_TEST_LEN;
1524 return E1000_STATS_LEN;
1530 static void e1000_diag_test(struct net_device *netdev,
1531 struct ethtool_test *eth_test, u64 *data)
1533 struct e1000_adapter *adapter = netdev_priv(netdev);
1534 struct e1000_hw *hw = &adapter->hw;
1535 bool if_running = netif_running(netdev);
1537 set_bit(__E1000_TESTING, &adapter->flags);
1538 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1541 /* save speed, duplex, autoneg settings */
1542 u16 autoneg_advertised = hw->autoneg_advertised;
1543 u8 forced_speed_duplex = hw->forced_speed_duplex;
1544 u8 autoneg = hw->autoneg;
1546 e_info(hw, "offline testing starting\n");
1548 /* Link test performed before hardware reset so autoneg doesn't
1549 * interfere with test result
1551 if (e1000_link_test(adapter, &data[4]))
1552 eth_test->flags |= ETH_TEST_FL_FAILED;
1555 /* indicate we're in test mode */
1558 e1000_reset(adapter);
1560 if (e1000_reg_test(adapter, &data[0]))
1561 eth_test->flags |= ETH_TEST_FL_FAILED;
1563 e1000_reset(adapter);
1564 if (e1000_eeprom_test(adapter, &data[1]))
1565 eth_test->flags |= ETH_TEST_FL_FAILED;
1567 e1000_reset(adapter);
1568 if (e1000_intr_test(adapter, &data[2]))
1569 eth_test->flags |= ETH_TEST_FL_FAILED;
1571 e1000_reset(adapter);
1572 /* make sure the phy is powered up */
1573 e1000_power_up_phy(adapter);
1574 if (e1000_loopback_test(adapter, &data[3]))
1575 eth_test->flags |= ETH_TEST_FL_FAILED;
1577 /* restore speed, duplex, autoneg settings */
1578 hw->autoneg_advertised = autoneg_advertised;
1579 hw->forced_speed_duplex = forced_speed_duplex;
1580 hw->autoneg = autoneg;
1582 e1000_reset(adapter);
1583 clear_bit(__E1000_TESTING, &adapter->flags);
1587 e_info(hw, "online testing starting\n");
1589 if (e1000_link_test(adapter, &data[4]))
1590 eth_test->flags |= ETH_TEST_FL_FAILED;
1592 /* Online tests aren't run; pass by default */
1598 clear_bit(__E1000_TESTING, &adapter->flags);
1600 msleep_interruptible(4 * 1000);
1603 static int e1000_wol_exclusion(struct e1000_adapter *adapter,
1604 struct ethtool_wolinfo *wol)
1606 struct e1000_hw *hw = &adapter->hw;
1607 int retval = 1; /* fail by default */
1609 switch (hw->device_id) {
1610 case E1000_DEV_ID_82542:
1611 case E1000_DEV_ID_82543GC_FIBER:
1612 case E1000_DEV_ID_82543GC_COPPER:
1613 case E1000_DEV_ID_82544EI_FIBER:
1614 case E1000_DEV_ID_82546EB_QUAD_COPPER:
1615 case E1000_DEV_ID_82545EM_FIBER:
1616 case E1000_DEV_ID_82545EM_COPPER:
1617 case E1000_DEV_ID_82546GB_QUAD_COPPER:
1618 case E1000_DEV_ID_82546GB_PCIE:
1619 /* these don't support WoL at all */
1622 case E1000_DEV_ID_82546EB_FIBER:
1623 case E1000_DEV_ID_82546GB_FIBER:
1624 /* Wake events not supported on port B */
1625 if (er32(STATUS) & E1000_STATUS_FUNC_1) {
1629 /* return success for non excluded adapter ports */
1632 case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
1633 /* quad port adapters only support WoL on port A */
1634 if (!adapter->quad_port_a) {
1638 /* return success for non excluded adapter ports */
1642 /* dual port cards only support WoL on port A from now on
1643 * unless it was enabled in the eeprom for port B
1644 * so exclude FUNC_1 ports from having WoL enabled
1646 if (er32(STATUS) & E1000_STATUS_FUNC_1 &&
1647 !adapter->eeprom_wol) {
1658 static void e1000_get_wol(struct net_device *netdev,
1659 struct ethtool_wolinfo *wol)
1661 struct e1000_adapter *adapter = netdev_priv(netdev);
1662 struct e1000_hw *hw = &adapter->hw;
1664 wol->supported = WAKE_UCAST | WAKE_MCAST | WAKE_BCAST | WAKE_MAGIC;
1667 /* this function will set ->supported = 0 and return 1 if wol is not
1668 * supported by this hardware
1670 if (e1000_wol_exclusion(adapter, wol) ||
1671 !device_can_wakeup(&adapter->pdev->dev))
1674 /* apply any specific unsupported masks here */
1675 switch (hw->device_id) {
1676 case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
1677 /* KSP3 does not support UCAST wake-ups */
1678 wol->supported &= ~WAKE_UCAST;
1680 if (adapter->wol & E1000_WUFC_EX)
1681 e_err(drv, "Interface does not support directed "
1682 "(unicast) frame wake-up packets\n");
1688 if (adapter->wol & E1000_WUFC_EX)
1689 wol->wolopts |= WAKE_UCAST;
1690 if (adapter->wol & E1000_WUFC_MC)
1691 wol->wolopts |= WAKE_MCAST;
1692 if (adapter->wol & E1000_WUFC_BC)
1693 wol->wolopts |= WAKE_BCAST;
1694 if (adapter->wol & E1000_WUFC_MAG)
1695 wol->wolopts |= WAKE_MAGIC;
1698 static int e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1700 struct e1000_adapter *adapter = netdev_priv(netdev);
1701 struct e1000_hw *hw = &adapter->hw;
1703 if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
1706 if (e1000_wol_exclusion(adapter, wol) ||
1707 !device_can_wakeup(&adapter->pdev->dev))
1708 return wol->wolopts ? -EOPNOTSUPP : 0;
1710 switch (hw->device_id) {
1711 case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
1712 if (wol->wolopts & WAKE_UCAST) {
1713 e_err(drv, "Interface does not support directed "
1714 "(unicast) frame wake-up packets\n");
1722 /* these settings will always override what we currently have */
1725 if (wol->wolopts & WAKE_UCAST)
1726 adapter->wol |= E1000_WUFC_EX;
1727 if (wol->wolopts & WAKE_MCAST)
1728 adapter->wol |= E1000_WUFC_MC;
1729 if (wol->wolopts & WAKE_BCAST)
1730 adapter->wol |= E1000_WUFC_BC;
1731 if (wol->wolopts & WAKE_MAGIC)
1732 adapter->wol |= E1000_WUFC_MAG;
1734 device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
1739 static int e1000_set_phys_id(struct net_device *netdev,
1740 enum ethtool_phys_id_state state)
1742 struct e1000_adapter *adapter = netdev_priv(netdev);
1743 struct e1000_hw *hw = &adapter->hw;
1746 case ETHTOOL_ID_ACTIVE:
1747 e1000_setup_led(hw);
1754 case ETHTOOL_ID_OFF:
1758 case ETHTOOL_ID_INACTIVE:
1759 e1000_cleanup_led(hw);
1765 static int e1000_get_coalesce(struct net_device *netdev,
1766 struct ethtool_coalesce *ec)
1768 struct e1000_adapter *adapter = netdev_priv(netdev);
1770 if (adapter->hw.mac_type < e1000_82545)
1773 if (adapter->itr_setting <= 4)
1774 ec->rx_coalesce_usecs = adapter->itr_setting;
1776 ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting;
1781 static int e1000_set_coalesce(struct net_device *netdev,
1782 struct ethtool_coalesce *ec)
1784 struct e1000_adapter *adapter = netdev_priv(netdev);
1785 struct e1000_hw *hw = &adapter->hw;
1787 if (hw->mac_type < e1000_82545)
1790 if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) ||
1791 ((ec->rx_coalesce_usecs > 4) &&
1792 (ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) ||
1793 (ec->rx_coalesce_usecs == 2))
1796 if (ec->rx_coalesce_usecs == 4) {
1797 adapter->itr = adapter->itr_setting = 4;
1798 } else if (ec->rx_coalesce_usecs <= 3) {
1799 adapter->itr = 20000;
1800 adapter->itr_setting = ec->rx_coalesce_usecs;
1802 adapter->itr = (1000000 / ec->rx_coalesce_usecs);
1803 adapter->itr_setting = adapter->itr & ~3;
1806 if (adapter->itr_setting != 0)
1807 ew32(ITR, 1000000000 / (adapter->itr * 256));
1814 static int e1000_nway_reset(struct net_device *netdev)
1816 struct e1000_adapter *adapter = netdev_priv(netdev);
1818 if (netif_running(netdev))
1819 e1000_reinit_locked(adapter);
1823 static void e1000_get_ethtool_stats(struct net_device *netdev,
1824 struct ethtool_stats *stats, u64 *data)
1826 struct e1000_adapter *adapter = netdev_priv(netdev);
1829 const struct e1000_stats *stat = e1000_gstrings_stats;
1831 e1000_update_stats(adapter);
1832 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1833 switch (stat->type) {
1835 p = (char *)netdev + stat->stat_offset;
1838 p = (char *)adapter + stat->stat_offset;
1841 WARN_ONCE(1, "Invalid E1000 stat type: %u index %d\n",
1846 if (stat->sizeof_stat == sizeof(u64))
1847 data[i] = *(u64 *)p;
1849 data[i] = *(u32 *)p;
1853 /* BUG_ON(i != E1000_STATS_LEN); */
1856 static void e1000_get_strings(struct net_device *netdev, u32 stringset,
1862 switch (stringset) {
1864 memcpy(data, e1000_gstrings_test, sizeof(e1000_gstrings_test));
1867 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1868 memcpy(p, e1000_gstrings_stats[i].stat_string,
1870 p += ETH_GSTRING_LEN;
1872 /* BUG_ON(p - data != E1000_STATS_LEN * ETH_GSTRING_LEN); */
1877 static const struct ethtool_ops e1000_ethtool_ops = {
1878 .get_settings = e1000_get_settings,
1879 .set_settings = e1000_set_settings,
1880 .get_drvinfo = e1000_get_drvinfo,
1881 .get_regs_len = e1000_get_regs_len,
1882 .get_regs = e1000_get_regs,
1883 .get_wol = e1000_get_wol,
1884 .set_wol = e1000_set_wol,
1885 .get_msglevel = e1000_get_msglevel,
1886 .set_msglevel = e1000_set_msglevel,
1887 .nway_reset = e1000_nway_reset,
1888 .get_link = e1000_get_link,
1889 .get_eeprom_len = e1000_get_eeprom_len,
1890 .get_eeprom = e1000_get_eeprom,
1891 .set_eeprom = e1000_set_eeprom,
1892 .get_ringparam = e1000_get_ringparam,
1893 .set_ringparam = e1000_set_ringparam,
1894 .get_pauseparam = e1000_get_pauseparam,
1895 .set_pauseparam = e1000_set_pauseparam,
1896 .self_test = e1000_diag_test,
1897 .get_strings = e1000_get_strings,
1898 .set_phys_id = e1000_set_phys_id,
1899 .get_ethtool_stats = e1000_get_ethtool_stats,
1900 .get_sset_count = e1000_get_sset_count,
1901 .get_coalesce = e1000_get_coalesce,
1902 .set_coalesce = e1000_set_coalesce,
1903 .get_ts_info = ethtool_op_get_ts_info,
1906 void e1000_set_ethtool_ops(struct net_device *netdev)
1908 netdev->ethtool_ops = &e1000_ethtool_ops;