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));
562 drvinfo->regdump_len = e1000_get_regs_len(netdev);
563 drvinfo->eedump_len = e1000_get_eeprom_len(netdev);
566 static void e1000_get_ringparam(struct net_device *netdev,
567 struct ethtool_ringparam *ring)
569 struct e1000_adapter *adapter = netdev_priv(netdev);
570 struct e1000_hw *hw = &adapter->hw;
571 e1000_mac_type mac_type = hw->mac_type;
572 struct e1000_tx_ring *txdr = adapter->tx_ring;
573 struct e1000_rx_ring *rxdr = adapter->rx_ring;
575 ring->rx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_RXD :
577 ring->tx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_TXD :
579 ring->rx_pending = rxdr->count;
580 ring->tx_pending = txdr->count;
583 static int e1000_set_ringparam(struct net_device *netdev,
584 struct ethtool_ringparam *ring)
586 struct e1000_adapter *adapter = netdev_priv(netdev);
587 struct e1000_hw *hw = &adapter->hw;
588 e1000_mac_type mac_type = hw->mac_type;
589 struct e1000_tx_ring *txdr, *tx_old;
590 struct e1000_rx_ring *rxdr, *rx_old;
593 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
596 while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
599 if (netif_running(adapter->netdev))
602 tx_old = adapter->tx_ring;
603 rx_old = adapter->rx_ring;
606 txdr = kcalloc(adapter->num_tx_queues, sizeof(struct e1000_tx_ring),
611 rxdr = kcalloc(adapter->num_rx_queues, sizeof(struct e1000_rx_ring),
616 adapter->tx_ring = txdr;
617 adapter->rx_ring = rxdr;
619 rxdr->count = max(ring->rx_pending, (u32)E1000_MIN_RXD);
620 rxdr->count = min(rxdr->count, (u32)(mac_type < e1000_82544 ?
621 E1000_MAX_RXD : E1000_MAX_82544_RXD));
622 rxdr->count = ALIGN(rxdr->count, REQ_RX_DESCRIPTOR_MULTIPLE);
623 txdr->count = max(ring->tx_pending, (u32)E1000_MIN_TXD);
624 txdr->count = min(txdr->count, (u32)(mac_type < e1000_82544 ?
625 E1000_MAX_TXD : E1000_MAX_82544_TXD));
626 txdr->count = ALIGN(txdr->count, REQ_TX_DESCRIPTOR_MULTIPLE);
628 for (i = 0; i < adapter->num_tx_queues; i++)
629 txdr[i].count = txdr->count;
630 for (i = 0; i < adapter->num_rx_queues; i++)
631 rxdr[i].count = rxdr->count;
633 if (netif_running(adapter->netdev)) {
634 /* Try to get new resources before deleting old */
635 err = e1000_setup_all_rx_resources(adapter);
638 err = e1000_setup_all_tx_resources(adapter);
642 /* save the new, restore the old in order to free it,
643 * then restore the new back again
646 adapter->rx_ring = rx_old;
647 adapter->tx_ring = tx_old;
648 e1000_free_all_rx_resources(adapter);
649 e1000_free_all_tx_resources(adapter);
652 adapter->rx_ring = rxdr;
653 adapter->tx_ring = txdr;
654 err = e1000_up(adapter);
659 clear_bit(__E1000_RESETTING, &adapter->flags);
662 e1000_free_all_rx_resources(adapter);
664 adapter->rx_ring = rx_old;
665 adapter->tx_ring = tx_old;
672 clear_bit(__E1000_RESETTING, &adapter->flags);
676 static bool reg_pattern_test(struct e1000_adapter *adapter, u64 *data, int reg,
679 struct e1000_hw *hw = &adapter->hw;
680 static const u32 test[] = {
681 0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF
683 u8 __iomem *address = hw->hw_addr + reg;
687 for (i = 0; i < ARRAY_SIZE(test); i++) {
688 writel(write & test[i], address);
689 read = readl(address);
690 if (read != (write & test[i] & mask)) {
691 e_err(drv, "pattern test reg %04X failed: "
692 "got 0x%08X expected 0x%08X\n",
693 reg, read, (write & test[i] & mask));
701 static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data, int reg,
704 struct e1000_hw *hw = &adapter->hw;
705 u8 __iomem *address = hw->hw_addr + reg;
708 writel(write & mask, address);
709 read = readl(address);
710 if ((read & mask) != (write & mask)) {
711 e_err(drv, "set/check reg %04X test failed: "
712 "got 0x%08X expected 0x%08X\n",
713 reg, (read & mask), (write & mask));
720 #define REG_PATTERN_TEST(reg, mask, write) \
722 if (reg_pattern_test(adapter, data, \
723 (hw->mac_type >= e1000_82543) \
724 ? E1000_##reg : E1000_82542_##reg, \
729 #define REG_SET_AND_CHECK(reg, mask, write) \
731 if (reg_set_and_check(adapter, data, \
732 (hw->mac_type >= e1000_82543) \
733 ? E1000_##reg : E1000_82542_##reg, \
738 static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data)
740 u32 value, before, after;
742 struct e1000_hw *hw = &adapter->hw;
744 /* The status register is Read Only, so a write should fail.
745 * Some bits that get toggled are ignored.
748 /* there are several bits on newer hardware that are r/w */
751 before = er32(STATUS);
752 value = (er32(STATUS) & toggle);
753 ew32(STATUS, toggle);
754 after = er32(STATUS) & toggle;
755 if (value != after) {
756 e_err(drv, "failed STATUS register test got: "
757 "0x%08X expected: 0x%08X\n", after, value);
761 /* restore previous status */
762 ew32(STATUS, before);
764 REG_PATTERN_TEST(FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
765 REG_PATTERN_TEST(FCAH, 0x0000FFFF, 0xFFFFFFFF);
766 REG_PATTERN_TEST(FCT, 0x0000FFFF, 0xFFFFFFFF);
767 REG_PATTERN_TEST(VET, 0x0000FFFF, 0xFFFFFFFF);
769 REG_PATTERN_TEST(RDTR, 0x0000FFFF, 0xFFFFFFFF);
770 REG_PATTERN_TEST(RDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
771 REG_PATTERN_TEST(RDLEN, 0x000FFF80, 0x000FFFFF);
772 REG_PATTERN_TEST(RDH, 0x0000FFFF, 0x0000FFFF);
773 REG_PATTERN_TEST(RDT, 0x0000FFFF, 0x0000FFFF);
774 REG_PATTERN_TEST(FCRTH, 0x0000FFF8, 0x0000FFF8);
775 REG_PATTERN_TEST(FCTTV, 0x0000FFFF, 0x0000FFFF);
776 REG_PATTERN_TEST(TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
777 REG_PATTERN_TEST(TDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
778 REG_PATTERN_TEST(TDLEN, 0x000FFF80, 0x000FFFFF);
780 REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x00000000);
783 REG_SET_AND_CHECK(RCTL, before, 0x003FFFFB);
784 REG_SET_AND_CHECK(TCTL, 0xFFFFFFFF, 0x00000000);
786 if (hw->mac_type >= e1000_82543) {
787 REG_SET_AND_CHECK(RCTL, before, 0xFFFFFFFF);
788 REG_PATTERN_TEST(RDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
789 REG_PATTERN_TEST(TXCW, 0xC000FFFF, 0x0000FFFF);
790 REG_PATTERN_TEST(TDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
791 REG_PATTERN_TEST(TIDV, 0x0000FFFF, 0x0000FFFF);
792 value = E1000_RAR_ENTRIES;
793 for (i = 0; i < value; i++) {
794 REG_PATTERN_TEST(RA + (((i << 1) + 1) << 2),
795 0x8003FFFF, 0xFFFFFFFF);
798 REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x01FFFFFF);
799 REG_PATTERN_TEST(RDBAL, 0xFFFFF000, 0xFFFFFFFF);
800 REG_PATTERN_TEST(TXCW, 0x0000FFFF, 0x0000FFFF);
801 REG_PATTERN_TEST(TDBAL, 0xFFFFF000, 0xFFFFFFFF);
804 value = E1000_MC_TBL_SIZE;
805 for (i = 0; i < value; i++)
806 REG_PATTERN_TEST(MTA + (i << 2), 0xFFFFFFFF, 0xFFFFFFFF);
812 static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data)
814 struct e1000_hw *hw = &adapter->hw;
820 /* Read and add up the contents of the EEPROM */
821 for (i = 0; i < (EEPROM_CHECKSUM_REG + 1); i++) {
822 if ((e1000_read_eeprom(hw, i, 1, &temp)) < 0) {
829 /* If Checksum is not Correct return error else test passed */
830 if ((checksum != (u16)EEPROM_SUM) && !(*data))
836 static irqreturn_t e1000_test_intr(int irq, void *data)
838 struct net_device *netdev = (struct net_device *)data;
839 struct e1000_adapter *adapter = netdev_priv(netdev);
840 struct e1000_hw *hw = &adapter->hw;
842 adapter->test_icr |= er32(ICR);
847 static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data)
849 struct net_device *netdev = adapter->netdev;
851 bool shared_int = true;
852 u32 irq = adapter->pdev->irq;
853 struct e1000_hw *hw = &adapter->hw;
857 /* NOTE: we don't test MSI interrupts here, yet
858 * Hook up test interrupt handler just for this test
860 if (!request_irq(irq, e1000_test_intr, IRQF_PROBE_SHARED, netdev->name,
863 else if (request_irq(irq, e1000_test_intr, IRQF_SHARED,
864 netdev->name, netdev)) {
868 e_info(hw, "testing %s interrupt\n", (shared_int ?
869 "shared" : "unshared"));
871 /* Disable all the interrupts */
872 ew32(IMC, 0xFFFFFFFF);
876 /* Test each interrupt */
877 for (; i < 10; i++) {
878 /* Interrupt to test */
882 /* Disable the interrupt to be reported in
883 * the cause register and then force the same
884 * interrupt and see if one gets posted. If
885 * an interrupt was posted to the bus, the
888 adapter->test_icr = 0;
894 if (adapter->test_icr & mask) {
900 /* Enable the interrupt to be reported in
901 * the cause register and then force the same
902 * interrupt and see if one gets posted. If
903 * an interrupt was not posted to the bus, the
906 adapter->test_icr = 0;
912 if (!(adapter->test_icr & mask)) {
918 /* Disable the other interrupts to be reported in
919 * the cause register and then force the other
920 * interrupts and see if any get posted. If
921 * an interrupt was posted to the bus, the
924 adapter->test_icr = 0;
925 ew32(IMC, ~mask & 0x00007FFF);
926 ew32(ICS, ~mask & 0x00007FFF);
930 if (adapter->test_icr) {
937 /* Disable all the interrupts */
938 ew32(IMC, 0xFFFFFFFF);
942 /* Unhook test interrupt handler */
943 free_irq(irq, netdev);
948 static void e1000_free_desc_rings(struct e1000_adapter *adapter)
950 struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
951 struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
952 struct pci_dev *pdev = adapter->pdev;
955 if (txdr->desc && txdr->buffer_info) {
956 for (i = 0; i < txdr->count; i++) {
957 if (txdr->buffer_info[i].dma)
958 dma_unmap_single(&pdev->dev,
959 txdr->buffer_info[i].dma,
960 txdr->buffer_info[i].length,
962 if (txdr->buffer_info[i].skb)
963 dev_kfree_skb(txdr->buffer_info[i].skb);
967 if (rxdr->desc && rxdr->buffer_info) {
968 for (i = 0; i < rxdr->count; i++) {
969 if (rxdr->buffer_info[i].dma)
970 dma_unmap_single(&pdev->dev,
971 rxdr->buffer_info[i].dma,
974 kfree(rxdr->buffer_info[i].rxbuf.data);
979 dma_free_coherent(&pdev->dev, txdr->size, txdr->desc,
984 dma_free_coherent(&pdev->dev, rxdr->size, rxdr->desc,
989 kfree(txdr->buffer_info);
990 txdr->buffer_info = NULL;
991 kfree(rxdr->buffer_info);
992 rxdr->buffer_info = NULL;
995 static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
997 struct e1000_hw *hw = &adapter->hw;
998 struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
999 struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
1000 struct pci_dev *pdev = adapter->pdev;
1004 /* Setup Tx descriptor ring and Tx buffers */
1007 txdr->count = E1000_DEFAULT_TXD;
1009 txdr->buffer_info = kcalloc(txdr->count, sizeof(struct e1000_tx_buffer),
1011 if (!txdr->buffer_info) {
1016 txdr->size = txdr->count * sizeof(struct e1000_tx_desc);
1017 txdr->size = ALIGN(txdr->size, 4096);
1018 txdr->desc = dma_zalloc_coherent(&pdev->dev, txdr->size, &txdr->dma,
1024 txdr->next_to_use = txdr->next_to_clean = 0;
1026 ew32(TDBAL, ((u64)txdr->dma & 0x00000000FFFFFFFF));
1027 ew32(TDBAH, ((u64)txdr->dma >> 32));
1028 ew32(TDLEN, txdr->count * sizeof(struct e1000_tx_desc));
1031 ew32(TCTL, E1000_TCTL_PSP | E1000_TCTL_EN |
1032 E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
1033 E1000_FDX_COLLISION_DISTANCE << E1000_COLD_SHIFT);
1035 for (i = 0; i < txdr->count; i++) {
1036 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*txdr, i);
1037 struct sk_buff *skb;
1038 unsigned int size = 1024;
1040 skb = alloc_skb(size, GFP_KERNEL);
1046 txdr->buffer_info[i].skb = skb;
1047 txdr->buffer_info[i].length = skb->len;
1048 txdr->buffer_info[i].dma =
1049 dma_map_single(&pdev->dev, skb->data, skb->len,
1051 if (dma_mapping_error(&pdev->dev, txdr->buffer_info[i].dma)) {
1055 tx_desc->buffer_addr = cpu_to_le64(txdr->buffer_info[i].dma);
1056 tx_desc->lower.data = cpu_to_le32(skb->len);
1057 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
1058 E1000_TXD_CMD_IFCS |
1060 tx_desc->upper.data = 0;
1063 /* Setup Rx descriptor ring and Rx buffers */
1066 rxdr->count = E1000_DEFAULT_RXD;
1068 rxdr->buffer_info = kcalloc(rxdr->count, sizeof(struct e1000_rx_buffer),
1070 if (!rxdr->buffer_info) {
1075 rxdr->size = rxdr->count * sizeof(struct e1000_rx_desc);
1076 rxdr->desc = dma_zalloc_coherent(&pdev->dev, rxdr->size, &rxdr->dma,
1082 rxdr->next_to_use = rxdr->next_to_clean = 0;
1085 ew32(RCTL, rctl & ~E1000_RCTL_EN);
1086 ew32(RDBAL, ((u64)rxdr->dma & 0xFFFFFFFF));
1087 ew32(RDBAH, ((u64)rxdr->dma >> 32));
1088 ew32(RDLEN, rxdr->size);
1091 rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
1092 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
1093 (hw->mc_filter_type << E1000_RCTL_MO_SHIFT);
1096 for (i = 0; i < rxdr->count; i++) {
1097 struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rxdr, i);
1100 buf = kzalloc(E1000_RXBUFFER_2048 + NET_SKB_PAD + NET_IP_ALIGN,
1106 rxdr->buffer_info[i].rxbuf.data = buf;
1108 rxdr->buffer_info[i].dma =
1109 dma_map_single(&pdev->dev,
1110 buf + NET_SKB_PAD + NET_IP_ALIGN,
1111 E1000_RXBUFFER_2048, DMA_FROM_DEVICE);
1112 if (dma_mapping_error(&pdev->dev, rxdr->buffer_info[i].dma)) {
1116 rx_desc->buffer_addr = cpu_to_le64(rxdr->buffer_info[i].dma);
1122 e1000_free_desc_rings(adapter);
1126 static void e1000_phy_disable_receiver(struct e1000_adapter *adapter)
1128 struct e1000_hw *hw = &adapter->hw;
1130 /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1131 e1000_write_phy_reg(hw, 29, 0x001F);
1132 e1000_write_phy_reg(hw, 30, 0x8FFC);
1133 e1000_write_phy_reg(hw, 29, 0x001A);
1134 e1000_write_phy_reg(hw, 30, 0x8FF0);
1137 static void e1000_phy_reset_clk_and_crs(struct e1000_adapter *adapter)
1139 struct e1000_hw *hw = &adapter->hw;
1142 /* Because we reset the PHY above, we need to re-force TX_CLK in the
1143 * Extended PHY Specific Control Register to 25MHz clock. This
1144 * value defaults back to a 2.5MHz clock when the PHY is reset.
1146 e1000_read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
1147 phy_reg |= M88E1000_EPSCR_TX_CLK_25;
1148 e1000_write_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, phy_reg);
1150 /* In addition, because of the s/w reset above, we need to enable
1151 * CRS on TX. This must be set for both full and half duplex
1154 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);
1155 phy_reg |= M88E1000_PSCR_ASSERT_CRS_ON_TX;
1156 e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_reg);
1159 static int e1000_nonintegrated_phy_loopback(struct e1000_adapter *adapter)
1161 struct e1000_hw *hw = &adapter->hw;
1165 /* Setup the Device Control Register for PHY loopback test. */
1167 ctrl_reg = er32(CTRL);
1168 ctrl_reg |= (E1000_CTRL_ILOS | /* Invert Loss-Of-Signal */
1169 E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1170 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1171 E1000_CTRL_SPD_1000 | /* Force Speed to 1000 */
1172 E1000_CTRL_FD); /* Force Duplex to FULL */
1174 ew32(CTRL, ctrl_reg);
1176 /* Read the PHY Specific Control Register (0x10) */
1177 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);
1179 /* Clear Auto-Crossover bits in PHY Specific Control Register
1182 phy_reg &= ~M88E1000_PSCR_AUTO_X_MODE;
1183 e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_reg);
1185 /* Perform software reset on the PHY */
1186 e1000_phy_reset(hw);
1188 /* Have to setup TX_CLK and TX_CRS after software reset */
1189 e1000_phy_reset_clk_and_crs(adapter);
1191 e1000_write_phy_reg(hw, PHY_CTRL, 0x8100);
1193 /* Wait for reset to complete. */
1196 /* Have to setup TX_CLK and TX_CRS after software reset */
1197 e1000_phy_reset_clk_and_crs(adapter);
1199 /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1200 e1000_phy_disable_receiver(adapter);
1202 /* Set the loopback bit in the PHY control register. */
1203 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1204 phy_reg |= MII_CR_LOOPBACK;
1205 e1000_write_phy_reg(hw, PHY_CTRL, phy_reg);
1207 /* Setup TX_CLK and TX_CRS one more time. */
1208 e1000_phy_reset_clk_and_crs(adapter);
1210 /* Check Phy Configuration */
1211 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1212 if (phy_reg != 0x4100)
1215 e1000_read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
1216 if (phy_reg != 0x0070)
1219 e1000_read_phy_reg(hw, 29, &phy_reg);
1220 if (phy_reg != 0x001A)
1226 static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
1228 struct e1000_hw *hw = &adapter->hw;
1232 hw->autoneg = false;
1234 if (hw->phy_type == e1000_phy_m88) {
1235 /* Auto-MDI/MDIX Off */
1236 e1000_write_phy_reg(hw,
1237 M88E1000_PHY_SPEC_CTRL, 0x0808);
1238 /* reset to update Auto-MDI/MDIX */
1239 e1000_write_phy_reg(hw, PHY_CTRL, 0x9140);
1241 e1000_write_phy_reg(hw, PHY_CTRL, 0x8140);
1244 ctrl_reg = er32(CTRL);
1246 /* force 1000, set loopback */
1247 e1000_write_phy_reg(hw, PHY_CTRL, 0x4140);
1249 /* Now set up the MAC to the same speed/duplex as the PHY. */
1250 ctrl_reg = er32(CTRL);
1251 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1252 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1253 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1254 E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
1255 E1000_CTRL_FD); /* Force Duplex to FULL */
1257 if (hw->media_type == e1000_media_type_copper &&
1258 hw->phy_type == e1000_phy_m88)
1259 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
1261 /* Set the ILOS bit on the fiber Nic is half
1262 * duplex link is detected.
1264 stat_reg = er32(STATUS);
1265 if ((stat_reg & E1000_STATUS_FD) == 0)
1266 ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
1269 ew32(CTRL, ctrl_reg);
1271 /* Disable the receiver on the PHY so when a cable is plugged in, the
1272 * PHY does not begin to autoneg when a cable is reconnected to the NIC.
1274 if (hw->phy_type == e1000_phy_m88)
1275 e1000_phy_disable_receiver(adapter);
1282 static int e1000_set_phy_loopback(struct e1000_adapter *adapter)
1284 struct e1000_hw *hw = &adapter->hw;
1288 switch (hw->mac_type) {
1290 if (hw->media_type == e1000_media_type_copper) {
1291 /* Attempt to setup Loopback mode on Non-integrated PHY.
1292 * Some PHY registers get corrupted at random, so
1293 * attempt this 10 times.
1295 while (e1000_nonintegrated_phy_loopback(adapter) &&
1305 case e1000_82545_rev_3:
1307 case e1000_82546_rev_3:
1309 case e1000_82541_rev_2:
1311 case e1000_82547_rev_2:
1312 return e1000_integrated_phy_loopback(adapter);
1314 /* Default PHY loopback work is to read the MII
1315 * control register and assert bit 14 (loopback mode).
1317 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1318 phy_reg |= MII_CR_LOOPBACK;
1319 e1000_write_phy_reg(hw, PHY_CTRL, phy_reg);
1326 static int e1000_setup_loopback_test(struct e1000_adapter *adapter)
1328 struct e1000_hw *hw = &adapter->hw;
1331 if (hw->media_type == e1000_media_type_fiber ||
1332 hw->media_type == e1000_media_type_internal_serdes) {
1333 switch (hw->mac_type) {
1336 case e1000_82545_rev_3:
1337 case e1000_82546_rev_3:
1338 return e1000_set_phy_loopback(adapter);
1341 rctl |= E1000_RCTL_LBM_TCVR;
1345 } else if (hw->media_type == e1000_media_type_copper) {
1346 return e1000_set_phy_loopback(adapter);
1352 static void e1000_loopback_cleanup(struct e1000_adapter *adapter)
1354 struct e1000_hw *hw = &adapter->hw;
1359 rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
1362 switch (hw->mac_type) {
1365 case e1000_82545_rev_3:
1366 case e1000_82546_rev_3:
1369 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1370 if (phy_reg & MII_CR_LOOPBACK) {
1371 phy_reg &= ~MII_CR_LOOPBACK;
1372 e1000_write_phy_reg(hw, PHY_CTRL, phy_reg);
1373 e1000_phy_reset(hw);
1379 static void e1000_create_lbtest_frame(struct sk_buff *skb,
1380 unsigned int frame_size)
1382 memset(skb->data, 0xFF, frame_size);
1384 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1385 memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
1386 memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
1389 static int e1000_check_lbtest_frame(const unsigned char *data,
1390 unsigned int frame_size)
1393 if (*(data + 3) == 0xFF) {
1394 if ((*(data + frame_size / 2 + 10) == 0xBE) &&
1395 (*(data + frame_size / 2 + 12) == 0xAF)) {
1402 static int e1000_run_loopback_test(struct e1000_adapter *adapter)
1404 struct e1000_hw *hw = &adapter->hw;
1405 struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
1406 struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
1407 struct pci_dev *pdev = adapter->pdev;
1408 int i, j, k, l, lc, good_cnt, ret_val = 0;
1411 ew32(RDT, rxdr->count - 1);
1413 /* Calculate the loop count based on the largest descriptor ring
1414 * The idea is to wrap the largest ring a number of times using 64
1415 * send/receive pairs during each loop
1418 if (rxdr->count <= txdr->count)
1419 lc = ((txdr->count / 64) * 2) + 1;
1421 lc = ((rxdr->count / 64) * 2) + 1;
1424 for (j = 0; j <= lc; j++) { /* loop count loop */
1425 for (i = 0; i < 64; i++) { /* send the packets */
1426 e1000_create_lbtest_frame(txdr->buffer_info[i].skb,
1428 dma_sync_single_for_device(&pdev->dev,
1429 txdr->buffer_info[k].dma,
1430 txdr->buffer_info[k].length,
1432 if (unlikely(++k == txdr->count))
1436 E1000_WRITE_FLUSH();
1438 time = jiffies; /* set the start time for the receive */
1440 do { /* receive the sent packets */
1441 dma_sync_single_for_cpu(&pdev->dev,
1442 rxdr->buffer_info[l].dma,
1443 E1000_RXBUFFER_2048,
1446 ret_val = e1000_check_lbtest_frame(
1447 rxdr->buffer_info[l].rxbuf.data +
1448 NET_SKB_PAD + NET_IP_ALIGN,
1452 if (unlikely(++l == rxdr->count))
1454 /* time + 20 msecs (200 msecs on 2.4) is more than
1455 * enough time to complete the receives, if it's
1456 * exceeded, break and error off
1458 } while (good_cnt < 64 && time_after(time + 20, jiffies));
1460 if (good_cnt != 64) {
1461 ret_val = 13; /* ret_val is the same as mis-compare */
1464 if (time_after_eq(jiffies, time + 2)) {
1465 ret_val = 14; /* error code for time out error */
1468 } /* end loop count loop */
1472 static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data)
1474 *data = e1000_setup_desc_rings(adapter);
1477 *data = e1000_setup_loopback_test(adapter);
1480 *data = e1000_run_loopback_test(adapter);
1481 e1000_loopback_cleanup(adapter);
1484 e1000_free_desc_rings(adapter);
1489 static int e1000_link_test(struct e1000_adapter *adapter, u64 *data)
1491 struct e1000_hw *hw = &adapter->hw;
1493 if (hw->media_type == e1000_media_type_internal_serdes) {
1496 hw->serdes_has_link = false;
1498 /* On some blade server designs, link establishment
1499 * could take as long as 2-3 minutes
1502 e1000_check_for_link(hw);
1503 if (hw->serdes_has_link)
1506 } while (i++ < 3750);
1510 e1000_check_for_link(hw);
1511 if (hw->autoneg) /* if auto_neg is set wait for it */
1514 if (!(er32(STATUS) & E1000_STATUS_LU))
1520 static int e1000_get_sset_count(struct net_device *netdev, int sset)
1524 return E1000_TEST_LEN;
1526 return E1000_STATS_LEN;
1532 static void e1000_diag_test(struct net_device *netdev,
1533 struct ethtool_test *eth_test, u64 *data)
1535 struct e1000_adapter *adapter = netdev_priv(netdev);
1536 struct e1000_hw *hw = &adapter->hw;
1537 bool if_running = netif_running(netdev);
1539 set_bit(__E1000_TESTING, &adapter->flags);
1540 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1543 /* save speed, duplex, autoneg settings */
1544 u16 autoneg_advertised = hw->autoneg_advertised;
1545 u8 forced_speed_duplex = hw->forced_speed_duplex;
1546 u8 autoneg = hw->autoneg;
1548 e_info(hw, "offline testing starting\n");
1550 /* Link test performed before hardware reset so autoneg doesn't
1551 * interfere with test result
1553 if (e1000_link_test(adapter, &data[4]))
1554 eth_test->flags |= ETH_TEST_FL_FAILED;
1557 /* indicate we're in test mode */
1560 e1000_reset(adapter);
1562 if (e1000_reg_test(adapter, &data[0]))
1563 eth_test->flags |= ETH_TEST_FL_FAILED;
1565 e1000_reset(adapter);
1566 if (e1000_eeprom_test(adapter, &data[1]))
1567 eth_test->flags |= ETH_TEST_FL_FAILED;
1569 e1000_reset(adapter);
1570 if (e1000_intr_test(adapter, &data[2]))
1571 eth_test->flags |= ETH_TEST_FL_FAILED;
1573 e1000_reset(adapter);
1574 /* make sure the phy is powered up */
1575 e1000_power_up_phy(adapter);
1576 if (e1000_loopback_test(adapter, &data[3]))
1577 eth_test->flags |= ETH_TEST_FL_FAILED;
1579 /* restore speed, duplex, autoneg settings */
1580 hw->autoneg_advertised = autoneg_advertised;
1581 hw->forced_speed_duplex = forced_speed_duplex;
1582 hw->autoneg = autoneg;
1584 e1000_reset(adapter);
1585 clear_bit(__E1000_TESTING, &adapter->flags);
1589 e_info(hw, "online testing starting\n");
1591 if (e1000_link_test(adapter, &data[4]))
1592 eth_test->flags |= ETH_TEST_FL_FAILED;
1594 /* Online tests aren't run; pass by default */
1600 clear_bit(__E1000_TESTING, &adapter->flags);
1602 msleep_interruptible(4 * 1000);
1605 static int e1000_wol_exclusion(struct e1000_adapter *adapter,
1606 struct ethtool_wolinfo *wol)
1608 struct e1000_hw *hw = &adapter->hw;
1609 int retval = 1; /* fail by default */
1611 switch (hw->device_id) {
1612 case E1000_DEV_ID_82542:
1613 case E1000_DEV_ID_82543GC_FIBER:
1614 case E1000_DEV_ID_82543GC_COPPER:
1615 case E1000_DEV_ID_82544EI_FIBER:
1616 case E1000_DEV_ID_82546EB_QUAD_COPPER:
1617 case E1000_DEV_ID_82545EM_FIBER:
1618 case E1000_DEV_ID_82545EM_COPPER:
1619 case E1000_DEV_ID_82546GB_QUAD_COPPER:
1620 case E1000_DEV_ID_82546GB_PCIE:
1621 /* these don't support WoL at all */
1624 case E1000_DEV_ID_82546EB_FIBER:
1625 case E1000_DEV_ID_82546GB_FIBER:
1626 /* Wake events not supported on port B */
1627 if (er32(STATUS) & E1000_STATUS_FUNC_1) {
1631 /* return success for non excluded adapter ports */
1634 case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
1635 /* quad port adapters only support WoL on port A */
1636 if (!adapter->quad_port_a) {
1640 /* return success for non excluded adapter ports */
1644 /* dual port cards only support WoL on port A from now on
1645 * unless it was enabled in the eeprom for port B
1646 * so exclude FUNC_1 ports from having WoL enabled
1648 if (er32(STATUS) & E1000_STATUS_FUNC_1 &&
1649 !adapter->eeprom_wol) {
1660 static void e1000_get_wol(struct net_device *netdev,
1661 struct ethtool_wolinfo *wol)
1663 struct e1000_adapter *adapter = netdev_priv(netdev);
1664 struct e1000_hw *hw = &adapter->hw;
1666 wol->supported = WAKE_UCAST | WAKE_MCAST | WAKE_BCAST | WAKE_MAGIC;
1669 /* this function will set ->supported = 0 and return 1 if wol is not
1670 * supported by this hardware
1672 if (e1000_wol_exclusion(adapter, wol) ||
1673 !device_can_wakeup(&adapter->pdev->dev))
1676 /* apply any specific unsupported masks here */
1677 switch (hw->device_id) {
1678 case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
1679 /* KSP3 does not support UCAST wake-ups */
1680 wol->supported &= ~WAKE_UCAST;
1682 if (adapter->wol & E1000_WUFC_EX)
1683 e_err(drv, "Interface does not support directed "
1684 "(unicast) frame wake-up packets\n");
1690 if (adapter->wol & E1000_WUFC_EX)
1691 wol->wolopts |= WAKE_UCAST;
1692 if (adapter->wol & E1000_WUFC_MC)
1693 wol->wolopts |= WAKE_MCAST;
1694 if (adapter->wol & E1000_WUFC_BC)
1695 wol->wolopts |= WAKE_BCAST;
1696 if (adapter->wol & E1000_WUFC_MAG)
1697 wol->wolopts |= WAKE_MAGIC;
1700 static int e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1702 struct e1000_adapter *adapter = netdev_priv(netdev);
1703 struct e1000_hw *hw = &adapter->hw;
1705 if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
1708 if (e1000_wol_exclusion(adapter, wol) ||
1709 !device_can_wakeup(&adapter->pdev->dev))
1710 return wol->wolopts ? -EOPNOTSUPP : 0;
1712 switch (hw->device_id) {
1713 case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
1714 if (wol->wolopts & WAKE_UCAST) {
1715 e_err(drv, "Interface does not support directed "
1716 "(unicast) frame wake-up packets\n");
1724 /* these settings will always override what we currently have */
1727 if (wol->wolopts & WAKE_UCAST)
1728 adapter->wol |= E1000_WUFC_EX;
1729 if (wol->wolopts & WAKE_MCAST)
1730 adapter->wol |= E1000_WUFC_MC;
1731 if (wol->wolopts & WAKE_BCAST)
1732 adapter->wol |= E1000_WUFC_BC;
1733 if (wol->wolopts & WAKE_MAGIC)
1734 adapter->wol |= E1000_WUFC_MAG;
1736 device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
1741 static int e1000_set_phys_id(struct net_device *netdev,
1742 enum ethtool_phys_id_state state)
1744 struct e1000_adapter *adapter = netdev_priv(netdev);
1745 struct e1000_hw *hw = &adapter->hw;
1748 case ETHTOOL_ID_ACTIVE:
1749 e1000_setup_led(hw);
1756 case ETHTOOL_ID_OFF:
1760 case ETHTOOL_ID_INACTIVE:
1761 e1000_cleanup_led(hw);
1767 static int e1000_get_coalesce(struct net_device *netdev,
1768 struct ethtool_coalesce *ec)
1770 struct e1000_adapter *adapter = netdev_priv(netdev);
1772 if (adapter->hw.mac_type < e1000_82545)
1775 if (adapter->itr_setting <= 4)
1776 ec->rx_coalesce_usecs = adapter->itr_setting;
1778 ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting;
1783 static int e1000_set_coalesce(struct net_device *netdev,
1784 struct ethtool_coalesce *ec)
1786 struct e1000_adapter *adapter = netdev_priv(netdev);
1787 struct e1000_hw *hw = &adapter->hw;
1789 if (hw->mac_type < e1000_82545)
1792 if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) ||
1793 ((ec->rx_coalesce_usecs > 4) &&
1794 (ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) ||
1795 (ec->rx_coalesce_usecs == 2))
1798 if (ec->rx_coalesce_usecs == 4) {
1799 adapter->itr = adapter->itr_setting = 4;
1800 } else if (ec->rx_coalesce_usecs <= 3) {
1801 adapter->itr = 20000;
1802 adapter->itr_setting = ec->rx_coalesce_usecs;
1804 adapter->itr = (1000000 / ec->rx_coalesce_usecs);
1805 adapter->itr_setting = adapter->itr & ~3;
1808 if (adapter->itr_setting != 0)
1809 ew32(ITR, 1000000000 / (adapter->itr * 256));
1816 static int e1000_nway_reset(struct net_device *netdev)
1818 struct e1000_adapter *adapter = netdev_priv(netdev);
1820 if (netif_running(netdev))
1821 e1000_reinit_locked(adapter);
1825 static void e1000_get_ethtool_stats(struct net_device *netdev,
1826 struct ethtool_stats *stats, u64 *data)
1828 struct e1000_adapter *adapter = netdev_priv(netdev);
1831 const struct e1000_stats *stat = e1000_gstrings_stats;
1833 e1000_update_stats(adapter);
1834 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1835 switch (stat->type) {
1837 p = (char *)netdev + stat->stat_offset;
1840 p = (char *)adapter + stat->stat_offset;
1843 WARN_ONCE(1, "Invalid E1000 stat type: %u index %d\n",
1848 if (stat->sizeof_stat == sizeof(u64))
1849 data[i] = *(u64 *)p;
1851 data[i] = *(u32 *)p;
1855 /* BUG_ON(i != E1000_STATS_LEN); */
1858 static void e1000_get_strings(struct net_device *netdev, u32 stringset,
1864 switch (stringset) {
1866 memcpy(data, e1000_gstrings_test, sizeof(e1000_gstrings_test));
1869 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1870 memcpy(p, e1000_gstrings_stats[i].stat_string,
1872 p += ETH_GSTRING_LEN;
1874 /* BUG_ON(p - data != E1000_STATS_LEN * ETH_GSTRING_LEN); */
1879 static const struct ethtool_ops e1000_ethtool_ops = {
1880 .get_settings = e1000_get_settings,
1881 .set_settings = e1000_set_settings,
1882 .get_drvinfo = e1000_get_drvinfo,
1883 .get_regs_len = e1000_get_regs_len,
1884 .get_regs = e1000_get_regs,
1885 .get_wol = e1000_get_wol,
1886 .set_wol = e1000_set_wol,
1887 .get_msglevel = e1000_get_msglevel,
1888 .set_msglevel = e1000_set_msglevel,
1889 .nway_reset = e1000_nway_reset,
1890 .get_link = e1000_get_link,
1891 .get_eeprom_len = e1000_get_eeprom_len,
1892 .get_eeprom = e1000_get_eeprom,
1893 .set_eeprom = e1000_set_eeprom,
1894 .get_ringparam = e1000_get_ringparam,
1895 .set_ringparam = e1000_set_ringparam,
1896 .get_pauseparam = e1000_get_pauseparam,
1897 .set_pauseparam = e1000_set_pauseparam,
1898 .self_test = e1000_diag_test,
1899 .get_strings = e1000_get_strings,
1900 .set_phys_id = e1000_set_phys_id,
1901 .get_ethtool_stats = e1000_get_ethtool_stats,
1902 .get_sset_count = e1000_get_sset_count,
1903 .get_coalesce = e1000_get_coalesce,
1904 .set_coalesce = e1000_set_coalesce,
1905 .get_ts_info = ethtool_op_get_ts_info,
1908 void e1000_set_ethtool_ops(struct net_device *netdev)
1910 netdev->ethtool_ops = &e1000_ethtool_ops;