1 /*******************************************************************************
4 Copyright(c) 1999 - 2006 Intel Corporation. All rights reserved.
6 This program is free software; you can redistribute it and/or modify it
7 under the terms of the GNU General Public License as published by the Free
8 Software Foundation; either version 2 of the License, or (at your option)
11 This program is distributed in the hope that it will be useful, but WITHOUT
12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
16 You should have received a copy of the GNU General Public License along with
17 this program; if not, write to the Free Software Foundation, Inc., 59
18 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20 The full GNU General Public License is included in this distribution in the
24 Linux NICS <linux.nics@intel.com>
25 e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
26 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
28 *******************************************************************************/
30 /* ethtool support for e1000 */
34 #include <asm/uaccess.h>
37 char stat_string[ETH_GSTRING_LEN];
42 #define E1000_STAT(m) sizeof(((struct e1000_adapter *)0)->m), \
43 offsetof(struct e1000_adapter, m)
44 static const struct e1000_stats e1000_gstrings_stats[] = {
45 { "rx_packets", E1000_STAT(net_stats.rx_packets) },
46 { "tx_packets", E1000_STAT(net_stats.tx_packets) },
47 { "rx_bytes", E1000_STAT(net_stats.rx_bytes) },
48 { "tx_bytes", E1000_STAT(net_stats.tx_bytes) },
49 { "rx_errors", E1000_STAT(net_stats.rx_errors) },
50 { "tx_errors", E1000_STAT(net_stats.tx_errors) },
51 { "tx_dropped", E1000_STAT(net_stats.tx_dropped) },
52 { "multicast", E1000_STAT(net_stats.multicast) },
53 { "collisions", E1000_STAT(net_stats.collisions) },
54 { "rx_length_errors", E1000_STAT(net_stats.rx_length_errors) },
55 { "rx_over_errors", E1000_STAT(net_stats.rx_over_errors) },
56 { "rx_crc_errors", E1000_STAT(net_stats.rx_crc_errors) },
57 { "rx_frame_errors", E1000_STAT(net_stats.rx_frame_errors) },
58 { "rx_no_buffer_count", E1000_STAT(stats.rnbc) },
59 { "rx_missed_errors", E1000_STAT(net_stats.rx_missed_errors) },
60 { "tx_aborted_errors", E1000_STAT(net_stats.tx_aborted_errors) },
61 { "tx_carrier_errors", E1000_STAT(net_stats.tx_carrier_errors) },
62 { "tx_fifo_errors", E1000_STAT(net_stats.tx_fifo_errors) },
63 { "tx_heartbeat_errors", E1000_STAT(net_stats.tx_heartbeat_errors) },
64 { "tx_window_errors", E1000_STAT(net_stats.tx_window_errors) },
65 { "tx_abort_late_coll", E1000_STAT(stats.latecol) },
66 { "tx_deferred_ok", E1000_STAT(stats.dc) },
67 { "tx_single_coll_ok", E1000_STAT(stats.scc) },
68 { "tx_multi_coll_ok", E1000_STAT(stats.mcc) },
69 { "tx_timeout_count", E1000_STAT(tx_timeout_count) },
70 { "rx_long_length_errors", E1000_STAT(stats.roc) },
71 { "rx_short_length_errors", E1000_STAT(stats.ruc) },
72 { "rx_align_errors", E1000_STAT(stats.algnerrc) },
73 { "tx_tcp_seg_good", E1000_STAT(stats.tsctc) },
74 { "tx_tcp_seg_failed", E1000_STAT(stats.tsctfc) },
75 { "rx_flow_control_xon", E1000_STAT(stats.xonrxc) },
76 { "rx_flow_control_xoff", E1000_STAT(stats.xoffrxc) },
77 { "tx_flow_control_xon", E1000_STAT(stats.xontxc) },
78 { "tx_flow_control_xoff", E1000_STAT(stats.xofftxc) },
79 { "rx_long_byte_count", E1000_STAT(stats.gorcl) },
80 { "rx_csum_offload_good", E1000_STAT(hw_csum_good) },
81 { "rx_csum_offload_errors", E1000_STAT(hw_csum_err) },
82 { "rx_header_split", E1000_STAT(rx_hdr_split) },
83 { "alloc_rx_buff_failed", E1000_STAT(alloc_rx_buff_failed) },
86 #define E1000_QUEUE_STATS_LEN 0
87 #define E1000_GLOBAL_STATS_LEN \
88 sizeof(e1000_gstrings_stats) / sizeof(struct e1000_stats)
89 #define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN + E1000_QUEUE_STATS_LEN)
90 static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = {
91 "Register test (offline)", "Eeprom test (offline)",
92 "Interrupt test (offline)", "Loopback test (offline)",
93 "Link test (on/offline)"
95 #define E1000_TEST_LEN sizeof(e1000_gstrings_test) / ETH_GSTRING_LEN
98 e1000_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
100 struct e1000_adapter *adapter = netdev_priv(netdev);
101 struct e1000_hw *hw = &adapter->hw;
103 if (hw->media_type == e1000_media_type_copper) {
105 ecmd->supported = (SUPPORTED_10baseT_Half |
106 SUPPORTED_10baseT_Full |
107 SUPPORTED_100baseT_Half |
108 SUPPORTED_100baseT_Full |
109 SUPPORTED_1000baseT_Full|
112 if (hw->phy_type == e1000_phy_ife)
113 ecmd->supported &= ~SUPPORTED_1000baseT_Full;
114 ecmd->advertising = ADVERTISED_TP;
116 if (hw->autoneg == 1) {
117 ecmd->advertising |= ADVERTISED_Autoneg;
119 /* the e1000 autoneg seems to match ethtool nicely */
121 ecmd->advertising |= hw->autoneg_advertised;
124 ecmd->port = PORT_TP;
125 ecmd->phy_address = hw->phy_addr;
127 if (hw->mac_type == e1000_82543)
128 ecmd->transceiver = XCVR_EXTERNAL;
130 ecmd->transceiver = XCVR_INTERNAL;
133 ecmd->supported = (SUPPORTED_1000baseT_Full |
137 ecmd->advertising = (ADVERTISED_1000baseT_Full |
141 ecmd->port = PORT_FIBRE;
143 if (hw->mac_type >= e1000_82545)
144 ecmd->transceiver = XCVR_INTERNAL;
146 ecmd->transceiver = XCVR_EXTERNAL;
149 if (netif_carrier_ok(adapter->netdev)) {
151 e1000_get_speed_and_duplex(hw, &adapter->link_speed,
152 &adapter->link_duplex);
153 ecmd->speed = adapter->link_speed;
155 /* unfortunatly FULL_DUPLEX != DUPLEX_FULL
156 * and HALF_DUPLEX != DUPLEX_HALF */
158 if (adapter->link_duplex == FULL_DUPLEX)
159 ecmd->duplex = DUPLEX_FULL;
161 ecmd->duplex = DUPLEX_HALF;
167 ecmd->autoneg = ((hw->media_type == e1000_media_type_fiber) ||
168 hw->autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE;
173 e1000_set_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
175 struct e1000_adapter *adapter = netdev_priv(netdev);
176 struct e1000_hw *hw = &adapter->hw;
178 /* When SoL/IDER sessions are active, autoneg/speed/duplex
179 * cannot be changed */
180 if (e1000_check_phy_reset_block(hw)) {
181 DPRINTK(DRV, ERR, "Cannot change link characteristics "
182 "when SoL/IDER is active.\n");
186 while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
189 if (ecmd->autoneg == AUTONEG_ENABLE) {
191 if (hw->media_type == e1000_media_type_fiber)
192 hw->autoneg_advertised = ADVERTISED_1000baseT_Full |
196 hw->autoneg_advertised = ADVERTISED_10baseT_Half |
197 ADVERTISED_10baseT_Full |
198 ADVERTISED_100baseT_Half |
199 ADVERTISED_100baseT_Full |
200 ADVERTISED_1000baseT_Full|
203 ecmd->advertising = hw->autoneg_advertised;
205 if (e1000_set_spd_dplx(adapter, ecmd->speed + ecmd->duplex)) {
206 clear_bit(__E1000_RESETTING, &adapter->flags);
212 if (netif_running(adapter->netdev)) {
216 e1000_reset(adapter);
218 clear_bit(__E1000_RESETTING, &adapter->flags);
223 e1000_get_pauseparam(struct net_device *netdev,
224 struct ethtool_pauseparam *pause)
226 struct e1000_adapter *adapter = netdev_priv(netdev);
227 struct e1000_hw *hw = &adapter->hw;
230 (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE);
232 if (hw->fc == e1000_fc_rx_pause)
234 else if (hw->fc == e1000_fc_tx_pause)
236 else if (hw->fc == e1000_fc_full) {
243 e1000_set_pauseparam(struct net_device *netdev,
244 struct ethtool_pauseparam *pause)
246 struct e1000_adapter *adapter = netdev_priv(netdev);
247 struct e1000_hw *hw = &adapter->hw;
250 adapter->fc_autoneg = pause->autoneg;
252 while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
255 if (pause->rx_pause && pause->tx_pause)
256 hw->fc = e1000_fc_full;
257 else if (pause->rx_pause && !pause->tx_pause)
258 hw->fc = e1000_fc_rx_pause;
259 else if (!pause->rx_pause && pause->tx_pause)
260 hw->fc = e1000_fc_tx_pause;
261 else if (!pause->rx_pause && !pause->tx_pause)
262 hw->fc = e1000_fc_none;
264 hw->original_fc = hw->fc;
266 if (adapter->fc_autoneg == AUTONEG_ENABLE) {
267 if (netif_running(adapter->netdev)) {
271 e1000_reset(adapter);
273 retval = ((hw->media_type == e1000_media_type_fiber) ?
274 e1000_setup_link(hw) : e1000_force_mac_fc(hw));
276 clear_bit(__E1000_RESETTING, &adapter->flags);
281 e1000_get_rx_csum(struct net_device *netdev)
283 struct e1000_adapter *adapter = netdev_priv(netdev);
284 return adapter->rx_csum;
288 e1000_set_rx_csum(struct net_device *netdev, uint32_t data)
290 struct e1000_adapter *adapter = netdev_priv(netdev);
291 adapter->rx_csum = data;
293 if (netif_running(netdev))
294 e1000_reinit_locked(adapter);
296 e1000_reset(adapter);
301 e1000_get_tx_csum(struct net_device *netdev)
303 return (netdev->features & NETIF_F_HW_CSUM) != 0;
307 e1000_set_tx_csum(struct net_device *netdev, uint32_t data)
309 struct e1000_adapter *adapter = netdev_priv(netdev);
311 if (adapter->hw.mac_type < e1000_82543) {
318 netdev->features |= NETIF_F_HW_CSUM;
320 netdev->features &= ~NETIF_F_HW_CSUM;
327 e1000_set_tso(struct net_device *netdev, uint32_t data)
329 struct e1000_adapter *adapter = netdev_priv(netdev);
330 if ((adapter->hw.mac_type < e1000_82544) ||
331 (adapter->hw.mac_type == e1000_82547))
332 return data ? -EINVAL : 0;
335 netdev->features |= NETIF_F_TSO;
337 netdev->features &= ~NETIF_F_TSO;
339 DPRINTK(PROBE, INFO, "TSO is %s\n", data ? "Enabled" : "Disabled");
340 adapter->tso_force = TRUE;
343 #endif /* NETIF_F_TSO */
346 e1000_get_msglevel(struct net_device *netdev)
348 struct e1000_adapter *adapter = netdev_priv(netdev);
349 return adapter->msg_enable;
353 e1000_set_msglevel(struct net_device *netdev, uint32_t data)
355 struct e1000_adapter *adapter = netdev_priv(netdev);
356 adapter->msg_enable = data;
360 e1000_get_regs_len(struct net_device *netdev)
362 #define E1000_REGS_LEN 32
363 return E1000_REGS_LEN * sizeof(uint32_t);
367 e1000_get_regs(struct net_device *netdev,
368 struct ethtool_regs *regs, void *p)
370 struct e1000_adapter *adapter = netdev_priv(netdev);
371 struct e1000_hw *hw = &adapter->hw;
372 uint32_t *regs_buff = p;
375 memset(p, 0, E1000_REGS_LEN * sizeof(uint32_t));
377 regs->version = (1 << 24) | (hw->revision_id << 16) | hw->device_id;
379 regs_buff[0] = E1000_READ_REG(hw, CTRL);
380 regs_buff[1] = E1000_READ_REG(hw, STATUS);
382 regs_buff[2] = E1000_READ_REG(hw, RCTL);
383 regs_buff[3] = E1000_READ_REG(hw, RDLEN);
384 regs_buff[4] = E1000_READ_REG(hw, RDH);
385 regs_buff[5] = E1000_READ_REG(hw, RDT);
386 regs_buff[6] = E1000_READ_REG(hw, RDTR);
388 regs_buff[7] = E1000_READ_REG(hw, TCTL);
389 regs_buff[8] = E1000_READ_REG(hw, TDLEN);
390 regs_buff[9] = E1000_READ_REG(hw, TDH);
391 regs_buff[10] = E1000_READ_REG(hw, TDT);
392 regs_buff[11] = E1000_READ_REG(hw, TIDV);
394 regs_buff[12] = adapter->hw.phy_type; /* PHY type (IGP=1, M88=0) */
395 if (hw->phy_type == e1000_phy_igp) {
396 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
397 IGP01E1000_PHY_AGC_A);
398 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_A &
399 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
400 regs_buff[13] = (uint32_t)phy_data; /* cable length */
401 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
402 IGP01E1000_PHY_AGC_B);
403 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_B &
404 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
405 regs_buff[14] = (uint32_t)phy_data; /* cable length */
406 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
407 IGP01E1000_PHY_AGC_C);
408 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_C &
409 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
410 regs_buff[15] = (uint32_t)phy_data; /* cable length */
411 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
412 IGP01E1000_PHY_AGC_D);
413 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_D &
414 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
415 regs_buff[16] = (uint32_t)phy_data; /* cable length */
416 regs_buff[17] = 0; /* extended 10bt distance (not needed) */
417 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0);
418 e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_STATUS &
419 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
420 regs_buff[18] = (uint32_t)phy_data; /* cable polarity */
421 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
422 IGP01E1000_PHY_PCS_INIT_REG);
423 e1000_read_phy_reg(hw, IGP01E1000_PHY_PCS_INIT_REG &
424 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
425 regs_buff[19] = (uint32_t)phy_data; /* cable polarity */
426 regs_buff[20] = 0; /* polarity correction enabled (always) */
427 regs_buff[22] = 0; /* phy receive errors (unavailable) */
428 regs_buff[23] = regs_buff[18]; /* mdix mode */
429 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0);
431 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
432 regs_buff[13] = (uint32_t)phy_data; /* cable length */
433 regs_buff[14] = 0; /* Dummy (to align w/ IGP phy reg dump) */
434 regs_buff[15] = 0; /* Dummy (to align w/ IGP phy reg dump) */
435 regs_buff[16] = 0; /* Dummy (to align w/ IGP phy reg dump) */
436 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
437 regs_buff[17] = (uint32_t)phy_data; /* extended 10bt distance */
438 regs_buff[18] = regs_buff[13]; /* cable polarity */
439 regs_buff[19] = 0; /* Dummy (to align w/ IGP phy reg dump) */
440 regs_buff[20] = regs_buff[17]; /* polarity correction */
441 /* phy receive errors */
442 regs_buff[22] = adapter->phy_stats.receive_errors;
443 regs_buff[23] = regs_buff[13]; /* mdix mode */
445 regs_buff[21] = adapter->phy_stats.idle_errors; /* phy idle errors */
446 e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_data);
447 regs_buff[24] = (uint32_t)phy_data; /* phy local receiver status */
448 regs_buff[25] = regs_buff[24]; /* phy remote receiver status */
449 if (hw->mac_type >= e1000_82540 &&
450 hw->media_type == e1000_media_type_copper) {
451 regs_buff[26] = E1000_READ_REG(hw, MANC);
456 e1000_get_eeprom_len(struct net_device *netdev)
458 struct e1000_adapter *adapter = netdev_priv(netdev);
459 return adapter->hw.eeprom.word_size * 2;
463 e1000_get_eeprom(struct net_device *netdev,
464 struct ethtool_eeprom *eeprom, uint8_t *bytes)
466 struct e1000_adapter *adapter = netdev_priv(netdev);
467 struct e1000_hw *hw = &adapter->hw;
468 uint16_t *eeprom_buff;
469 int first_word, last_word;
473 if (eeprom->len == 0)
476 eeprom->magic = hw->vendor_id | (hw->device_id << 16);
478 first_word = eeprom->offset >> 1;
479 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
481 eeprom_buff = kmalloc(sizeof(uint16_t) *
482 (last_word - first_word + 1), GFP_KERNEL);
486 if (hw->eeprom.type == e1000_eeprom_spi)
487 ret_val = e1000_read_eeprom(hw, first_word,
488 last_word - first_word + 1,
491 for (i = 0; i < last_word - first_word + 1; i++)
492 if ((ret_val = e1000_read_eeprom(hw, first_word + i, 1,
497 /* Device's eeprom is always little-endian, word addressable */
498 for (i = 0; i < last_word - first_word + 1; i++)
499 le16_to_cpus(&eeprom_buff[i]);
501 memcpy(bytes, (uint8_t *)eeprom_buff + (eeprom->offset & 1),
509 e1000_set_eeprom(struct net_device *netdev,
510 struct ethtool_eeprom *eeprom, uint8_t *bytes)
512 struct e1000_adapter *adapter = netdev_priv(netdev);
513 struct e1000_hw *hw = &adapter->hw;
514 uint16_t *eeprom_buff;
516 int max_len, first_word, last_word, ret_val = 0;
519 if (eeprom->len == 0)
522 if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
525 max_len = hw->eeprom.word_size * 2;
527 first_word = eeprom->offset >> 1;
528 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
529 eeprom_buff = kmalloc(max_len, GFP_KERNEL);
533 ptr = (void *)eeprom_buff;
535 if (eeprom->offset & 1) {
536 /* need read/modify/write of first changed EEPROM word */
537 /* only the second byte of the word is being modified */
538 ret_val = e1000_read_eeprom(hw, first_word, 1,
542 if (((eeprom->offset + eeprom->len) & 1) && (ret_val == 0)) {
543 /* need read/modify/write of last changed EEPROM word */
544 /* only the first byte of the word is being modified */
545 ret_val = e1000_read_eeprom(hw, last_word, 1,
546 &eeprom_buff[last_word - first_word]);
549 /* Device's eeprom is always little-endian, word addressable */
550 for (i = 0; i < last_word - first_word + 1; i++)
551 le16_to_cpus(&eeprom_buff[i]);
553 memcpy(ptr, bytes, eeprom->len);
555 for (i = 0; i < last_word - first_word + 1; i++)
556 eeprom_buff[i] = cpu_to_le16(eeprom_buff[i]);
558 ret_val = e1000_write_eeprom(hw, first_word,
559 last_word - first_word + 1, eeprom_buff);
561 /* Update the checksum over the first part of the EEPROM if needed
562 * and flush shadow RAM for 82573 conrollers */
563 if ((ret_val == 0) && ((first_word <= EEPROM_CHECKSUM_REG) ||
564 (hw->mac_type == e1000_82573)))
565 e1000_update_eeprom_checksum(hw);
572 e1000_get_drvinfo(struct net_device *netdev,
573 struct ethtool_drvinfo *drvinfo)
575 struct e1000_adapter *adapter = netdev_priv(netdev);
576 char firmware_version[32];
577 uint16_t eeprom_data;
579 strncpy(drvinfo->driver, e1000_driver_name, 32);
580 strncpy(drvinfo->version, e1000_driver_version, 32);
582 /* EEPROM image version # is reported as firmware version # for
583 * 8257{1|2|3} controllers */
584 e1000_read_eeprom(&adapter->hw, 5, 1, &eeprom_data);
585 switch (adapter->hw.mac_type) {
589 case e1000_80003es2lan:
591 sprintf(firmware_version, "%d.%d-%d",
592 (eeprom_data & 0xF000) >> 12,
593 (eeprom_data & 0x0FF0) >> 4,
594 eeprom_data & 0x000F);
597 sprintf(firmware_version, "N/A");
600 strncpy(drvinfo->fw_version, firmware_version, 32);
601 strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
602 drvinfo->n_stats = E1000_STATS_LEN;
603 drvinfo->testinfo_len = E1000_TEST_LEN;
604 drvinfo->regdump_len = e1000_get_regs_len(netdev);
605 drvinfo->eedump_len = e1000_get_eeprom_len(netdev);
609 e1000_get_ringparam(struct net_device *netdev,
610 struct ethtool_ringparam *ring)
612 struct e1000_adapter *adapter = netdev_priv(netdev);
613 e1000_mac_type mac_type = adapter->hw.mac_type;
614 struct e1000_tx_ring *txdr = adapter->tx_ring;
615 struct e1000_rx_ring *rxdr = adapter->rx_ring;
617 ring->rx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_RXD :
619 ring->tx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_TXD :
621 ring->rx_mini_max_pending = 0;
622 ring->rx_jumbo_max_pending = 0;
623 ring->rx_pending = rxdr->count;
624 ring->tx_pending = txdr->count;
625 ring->rx_mini_pending = 0;
626 ring->rx_jumbo_pending = 0;
630 e1000_set_ringparam(struct net_device *netdev,
631 struct ethtool_ringparam *ring)
633 struct e1000_adapter *adapter = netdev_priv(netdev);
634 e1000_mac_type mac_type = adapter->hw.mac_type;
635 struct e1000_tx_ring *txdr, *tx_old, *tx_new;
636 struct e1000_rx_ring *rxdr, *rx_old, *rx_new;
637 int i, err, tx_ring_size, rx_ring_size;
639 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
642 tx_ring_size = sizeof(struct e1000_tx_ring) * adapter->num_tx_queues;
643 rx_ring_size = sizeof(struct e1000_rx_ring) * adapter->num_rx_queues;
645 while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
648 if (netif_running(adapter->netdev))
651 tx_old = adapter->tx_ring;
652 rx_old = adapter->rx_ring;
654 adapter->tx_ring = kmalloc(tx_ring_size, GFP_KERNEL);
655 if (!adapter->tx_ring) {
659 memset(adapter->tx_ring, 0, tx_ring_size);
661 adapter->rx_ring = kmalloc(rx_ring_size, GFP_KERNEL);
662 if (!adapter->rx_ring) {
663 kfree(adapter->tx_ring);
667 memset(adapter->rx_ring, 0, rx_ring_size);
669 txdr = adapter->tx_ring;
670 rxdr = adapter->rx_ring;
672 rxdr->count = max(ring->rx_pending,(uint32_t)E1000_MIN_RXD);
673 rxdr->count = min(rxdr->count,(uint32_t)(mac_type < e1000_82544 ?
674 E1000_MAX_RXD : E1000_MAX_82544_RXD));
675 E1000_ROUNDUP(rxdr->count, REQ_RX_DESCRIPTOR_MULTIPLE);
677 txdr->count = max(ring->tx_pending,(uint32_t)E1000_MIN_TXD);
678 txdr->count = min(txdr->count,(uint32_t)(mac_type < e1000_82544 ?
679 E1000_MAX_TXD : E1000_MAX_82544_TXD));
680 E1000_ROUNDUP(txdr->count, REQ_TX_DESCRIPTOR_MULTIPLE);
682 for (i = 0; i < adapter->num_tx_queues; i++)
683 txdr[i].count = txdr->count;
684 for (i = 0; i < adapter->num_rx_queues; i++)
685 rxdr[i].count = rxdr->count;
687 if (netif_running(adapter->netdev)) {
688 /* Try to get new resources before deleting old */
689 if ((err = e1000_setup_all_rx_resources(adapter)))
691 if ((err = e1000_setup_all_tx_resources(adapter)))
694 /* save the new, restore the old in order to free it,
695 * then restore the new back again */
697 rx_new = adapter->rx_ring;
698 tx_new = adapter->tx_ring;
699 adapter->rx_ring = rx_old;
700 adapter->tx_ring = tx_old;
701 e1000_free_all_rx_resources(adapter);
702 e1000_free_all_tx_resources(adapter);
705 adapter->rx_ring = rx_new;
706 adapter->tx_ring = tx_new;
707 if ((err = e1000_up(adapter)))
711 clear_bit(__E1000_RESETTING, &adapter->flags);
714 e1000_free_all_rx_resources(adapter);
716 adapter->rx_ring = rx_old;
717 adapter->tx_ring = tx_old;
720 clear_bit(__E1000_RESETTING, &adapter->flags);
724 #define REG_PATTERN_TEST(R, M, W) \
726 uint32_t pat, value; \
728 {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF}; \
729 for (pat = 0; pat < sizeof(test)/sizeof(test[0]); pat++) { \
730 E1000_WRITE_REG(&adapter->hw, R, (test[pat] & W)); \
731 value = E1000_READ_REG(&adapter->hw, R); \
732 if (value != (test[pat] & W & M)) { \
733 DPRINTK(DRV, ERR, "pattern test reg %04X failed: got " \
734 "0x%08X expected 0x%08X\n", \
735 E1000_##R, value, (test[pat] & W & M)); \
736 *data = (adapter->hw.mac_type < e1000_82543) ? \
737 E1000_82542_##R : E1000_##R; \
743 #define REG_SET_AND_CHECK(R, M, W) \
746 E1000_WRITE_REG(&adapter->hw, R, W & M); \
747 value = E1000_READ_REG(&adapter->hw, R); \
748 if ((W & M) != (value & M)) { \
749 DPRINTK(DRV, ERR, "set/check reg %04X test failed: got 0x%08X "\
750 "expected 0x%08X\n", E1000_##R, (value & M), (W & M)); \
751 *data = (adapter->hw.mac_type < e1000_82543) ? \
752 E1000_82542_##R : E1000_##R; \
758 e1000_reg_test(struct e1000_adapter *adapter, uint64_t *data)
760 uint32_t value, before, after;
763 /* The status register is Read Only, so a write should fail.
764 * Some bits that get toggled are ignored.
766 switch (adapter->hw.mac_type) {
767 /* there are several bits on newer hardware that are r/w */
770 case e1000_80003es2lan:
782 before = E1000_READ_REG(&adapter->hw, STATUS);
783 value = (E1000_READ_REG(&adapter->hw, STATUS) & toggle);
784 E1000_WRITE_REG(&adapter->hw, STATUS, toggle);
785 after = E1000_READ_REG(&adapter->hw, STATUS) & toggle;
786 if (value != after) {
787 DPRINTK(DRV, ERR, "failed STATUS register test got: "
788 "0x%08X expected: 0x%08X\n", after, value);
792 /* restore previous status */
793 E1000_WRITE_REG(&adapter->hw, STATUS, before);
794 if (adapter->hw.mac_type != e1000_ich8lan) {
795 REG_PATTERN_TEST(FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
796 REG_PATTERN_TEST(FCAH, 0x0000FFFF, 0xFFFFFFFF);
797 REG_PATTERN_TEST(FCT, 0x0000FFFF, 0xFFFFFFFF);
798 REG_PATTERN_TEST(VET, 0x0000FFFF, 0xFFFFFFFF);
800 REG_PATTERN_TEST(RDTR, 0x0000FFFF, 0xFFFFFFFF);
801 REG_PATTERN_TEST(RDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
802 REG_PATTERN_TEST(RDLEN, 0x000FFF80, 0x000FFFFF);
803 REG_PATTERN_TEST(RDH, 0x0000FFFF, 0x0000FFFF);
804 REG_PATTERN_TEST(RDT, 0x0000FFFF, 0x0000FFFF);
805 REG_PATTERN_TEST(FCRTH, 0x0000FFF8, 0x0000FFF8);
806 REG_PATTERN_TEST(FCTTV, 0x0000FFFF, 0x0000FFFF);
807 REG_PATTERN_TEST(TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
808 REG_PATTERN_TEST(TDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
809 REG_PATTERN_TEST(TDLEN, 0x000FFF80, 0x000FFFFF);
811 REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x00000000);
812 before = (adapter->hw.mac_type == e1000_ich8lan ?
813 0x06C3B33E : 0x06DFB3FE);
814 REG_SET_AND_CHECK(RCTL, before, 0x003FFFFB);
815 REG_SET_AND_CHECK(TCTL, 0xFFFFFFFF, 0x00000000);
817 if (adapter->hw.mac_type >= e1000_82543) {
819 REG_SET_AND_CHECK(RCTL, before, 0xFFFFFFFF);
820 REG_PATTERN_TEST(RDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
821 if (adapter->hw.mac_type != e1000_ich8lan)
822 REG_PATTERN_TEST(TXCW, 0xC000FFFF, 0x0000FFFF);
823 REG_PATTERN_TEST(TDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
824 REG_PATTERN_TEST(TIDV, 0x0000FFFF, 0x0000FFFF);
825 value = (adapter->hw.mac_type == e1000_ich8lan ?
826 E1000_RAR_ENTRIES_ICH8LAN : E1000_RAR_ENTRIES);
827 for (i = 0; i < value; i++) {
828 REG_PATTERN_TEST(RA + (((i << 1) + 1) << 2), 0x8003FFFF,
834 REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x01FFFFFF);
835 REG_PATTERN_TEST(RDBAL, 0xFFFFF000, 0xFFFFFFFF);
836 REG_PATTERN_TEST(TXCW, 0x0000FFFF, 0x0000FFFF);
837 REG_PATTERN_TEST(TDBAL, 0xFFFFF000, 0xFFFFFFFF);
841 value = (adapter->hw.mac_type == e1000_ich8lan ?
842 E1000_MC_TBL_SIZE_ICH8LAN : E1000_MC_TBL_SIZE);
843 for (i = 0; i < value; i++)
844 REG_PATTERN_TEST(MTA + (i << 2), 0xFFFFFFFF, 0xFFFFFFFF);
851 e1000_eeprom_test(struct e1000_adapter *adapter, uint64_t *data)
854 uint16_t checksum = 0;
858 /* Read and add up the contents of the EEPROM */
859 for (i = 0; i < (EEPROM_CHECKSUM_REG + 1); i++) {
860 if ((e1000_read_eeprom(&adapter->hw, i, 1, &temp)) < 0) {
867 /* If Checksum is not Correct return error else test passed */
868 if ((checksum != (uint16_t) EEPROM_SUM) && !(*data))
875 e1000_test_intr(int irq,
877 struct pt_regs *regs)
879 struct net_device *netdev = (struct net_device *) data;
880 struct e1000_adapter *adapter = netdev_priv(netdev);
882 adapter->test_icr |= E1000_READ_REG(&adapter->hw, ICR);
888 e1000_intr_test(struct e1000_adapter *adapter, uint64_t *data)
890 struct net_device *netdev = adapter->netdev;
891 uint32_t mask, i=0, shared_int = TRUE;
892 uint32_t irq = adapter->pdev->irq;
896 /* NOTE: we don't test MSI interrupts here, yet */
897 /* Hook up test interrupt handler just for this test */
898 if (!request_irq(irq, &e1000_test_intr, IRQF_PROBE_SHARED,
899 netdev->name, netdev))
901 else if (request_irq(irq, &e1000_test_intr, IRQF_SHARED,
902 netdev->name, netdev)) {
906 DPRINTK(HW, INFO, "testing %s interrupt\n",
907 (shared_int ? "shared" : "unshared"));
909 /* Disable all the interrupts */
910 E1000_WRITE_REG(&adapter->hw, IMC, 0xFFFFFFFF);
913 /* Test each interrupt */
914 for (; i < 10; i++) {
916 if (adapter->hw.mac_type == e1000_ich8lan && i == 8)
918 /* Interrupt to test */
922 /* Disable the interrupt to be reported in
923 * the cause register and then force the same
924 * interrupt and see if one gets posted. If
925 * an interrupt was posted to the bus, the
928 adapter->test_icr = 0;
929 E1000_WRITE_REG(&adapter->hw, IMC, mask);
930 E1000_WRITE_REG(&adapter->hw, ICS, mask);
933 if (adapter->test_icr & mask) {
939 /* Enable the interrupt to be reported in
940 * the cause register and then force the same
941 * interrupt and see if one gets posted. If
942 * an interrupt was not posted to the bus, the
945 adapter->test_icr = 0;
946 E1000_WRITE_REG(&adapter->hw, IMS, mask);
947 E1000_WRITE_REG(&adapter->hw, ICS, mask);
950 if (!(adapter->test_icr & mask)) {
956 /* Disable the other interrupts to be reported in
957 * the cause register and then force the other
958 * interrupts and see if any get posted. If
959 * an interrupt was posted to the bus, the
962 adapter->test_icr = 0;
963 E1000_WRITE_REG(&adapter->hw, IMC, ~mask & 0x00007FFF);
964 E1000_WRITE_REG(&adapter->hw, ICS, ~mask & 0x00007FFF);
967 if (adapter->test_icr) {
974 /* Disable all the interrupts */
975 E1000_WRITE_REG(&adapter->hw, IMC, 0xFFFFFFFF);
978 /* Unhook test interrupt handler */
979 free_irq(irq, netdev);
985 e1000_free_desc_rings(struct e1000_adapter *adapter)
987 struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
988 struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
989 struct pci_dev *pdev = adapter->pdev;
992 if (txdr->desc && txdr->buffer_info) {
993 for (i = 0; i < txdr->count; i++) {
994 if (txdr->buffer_info[i].dma)
995 pci_unmap_single(pdev, txdr->buffer_info[i].dma,
996 txdr->buffer_info[i].length,
998 if (txdr->buffer_info[i].skb)
999 dev_kfree_skb(txdr->buffer_info[i].skb);
1003 if (rxdr->desc && rxdr->buffer_info) {
1004 for (i = 0; i < rxdr->count; i++) {
1005 if (rxdr->buffer_info[i].dma)
1006 pci_unmap_single(pdev, rxdr->buffer_info[i].dma,
1007 rxdr->buffer_info[i].length,
1008 PCI_DMA_FROMDEVICE);
1009 if (rxdr->buffer_info[i].skb)
1010 dev_kfree_skb(rxdr->buffer_info[i].skb);
1015 pci_free_consistent(pdev, txdr->size, txdr->desc, txdr->dma);
1019 pci_free_consistent(pdev, rxdr->size, rxdr->desc, rxdr->dma);
1023 kfree(txdr->buffer_info);
1024 txdr->buffer_info = NULL;
1025 kfree(rxdr->buffer_info);
1026 rxdr->buffer_info = NULL;
1032 e1000_setup_desc_rings(struct e1000_adapter *adapter)
1034 struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
1035 struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
1036 struct pci_dev *pdev = adapter->pdev;
1038 int size, i, ret_val;
1040 /* Setup Tx descriptor ring and Tx buffers */
1043 txdr->count = E1000_DEFAULT_TXD;
1045 size = txdr->count * sizeof(struct e1000_buffer);
1046 if (!(txdr->buffer_info = kmalloc(size, GFP_KERNEL))) {
1050 memset(txdr->buffer_info, 0, size);
1052 txdr->size = txdr->count * sizeof(struct e1000_tx_desc);
1053 E1000_ROUNDUP(txdr->size, 4096);
1054 if (!(txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma))) {
1058 memset(txdr->desc, 0, txdr->size);
1059 txdr->next_to_use = txdr->next_to_clean = 0;
1061 E1000_WRITE_REG(&adapter->hw, TDBAL,
1062 ((uint64_t) txdr->dma & 0x00000000FFFFFFFF));
1063 E1000_WRITE_REG(&adapter->hw, TDBAH, ((uint64_t) txdr->dma >> 32));
1064 E1000_WRITE_REG(&adapter->hw, TDLEN,
1065 txdr->count * sizeof(struct e1000_tx_desc));
1066 E1000_WRITE_REG(&adapter->hw, TDH, 0);
1067 E1000_WRITE_REG(&adapter->hw, TDT, 0);
1068 E1000_WRITE_REG(&adapter->hw, TCTL,
1069 E1000_TCTL_PSP | E1000_TCTL_EN |
1070 E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
1071 E1000_FDX_COLLISION_DISTANCE << E1000_COLD_SHIFT);
1073 for (i = 0; i < txdr->count; i++) {
1074 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*txdr, i);
1075 struct sk_buff *skb;
1076 unsigned int size = 1024;
1078 if (!(skb = alloc_skb(size, GFP_KERNEL))) {
1083 txdr->buffer_info[i].skb = skb;
1084 txdr->buffer_info[i].length = skb->len;
1085 txdr->buffer_info[i].dma =
1086 pci_map_single(pdev, skb->data, skb->len,
1088 tx_desc->buffer_addr = cpu_to_le64(txdr->buffer_info[i].dma);
1089 tx_desc->lower.data = cpu_to_le32(skb->len);
1090 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
1091 E1000_TXD_CMD_IFCS |
1093 tx_desc->upper.data = 0;
1096 /* Setup Rx descriptor ring and Rx buffers */
1099 rxdr->count = E1000_DEFAULT_RXD;
1101 size = rxdr->count * sizeof(struct e1000_buffer);
1102 if (!(rxdr->buffer_info = kmalloc(size, GFP_KERNEL))) {
1106 memset(rxdr->buffer_info, 0, size);
1108 rxdr->size = rxdr->count * sizeof(struct e1000_rx_desc);
1109 if (!(rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma))) {
1113 memset(rxdr->desc, 0, rxdr->size);
1114 rxdr->next_to_use = rxdr->next_to_clean = 0;
1116 rctl = E1000_READ_REG(&adapter->hw, RCTL);
1117 E1000_WRITE_REG(&adapter->hw, RCTL, rctl & ~E1000_RCTL_EN);
1118 E1000_WRITE_REG(&adapter->hw, RDBAL,
1119 ((uint64_t) rxdr->dma & 0xFFFFFFFF));
1120 E1000_WRITE_REG(&adapter->hw, RDBAH, ((uint64_t) rxdr->dma >> 32));
1121 E1000_WRITE_REG(&adapter->hw, RDLEN, rxdr->size);
1122 E1000_WRITE_REG(&adapter->hw, RDH, 0);
1123 E1000_WRITE_REG(&adapter->hw, RDT, 0);
1124 rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
1125 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
1126 (adapter->hw.mc_filter_type << E1000_RCTL_MO_SHIFT);
1127 E1000_WRITE_REG(&adapter->hw, RCTL, rctl);
1129 for (i = 0; i < rxdr->count; i++) {
1130 struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rxdr, i);
1131 struct sk_buff *skb;
1133 if (!(skb = alloc_skb(E1000_RXBUFFER_2048 + NET_IP_ALIGN,
1138 skb_reserve(skb, NET_IP_ALIGN);
1139 rxdr->buffer_info[i].skb = skb;
1140 rxdr->buffer_info[i].length = E1000_RXBUFFER_2048;
1141 rxdr->buffer_info[i].dma =
1142 pci_map_single(pdev, skb->data, E1000_RXBUFFER_2048,
1143 PCI_DMA_FROMDEVICE);
1144 rx_desc->buffer_addr = cpu_to_le64(rxdr->buffer_info[i].dma);
1145 memset(skb->data, 0x00, skb->len);
1151 e1000_free_desc_rings(adapter);
1156 e1000_phy_disable_receiver(struct e1000_adapter *adapter)
1158 /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1159 e1000_write_phy_reg(&adapter->hw, 29, 0x001F);
1160 e1000_write_phy_reg(&adapter->hw, 30, 0x8FFC);
1161 e1000_write_phy_reg(&adapter->hw, 29, 0x001A);
1162 e1000_write_phy_reg(&adapter->hw, 30, 0x8FF0);
1166 e1000_phy_reset_clk_and_crs(struct e1000_adapter *adapter)
1170 /* Because we reset the PHY above, we need to re-force TX_CLK in the
1171 * Extended PHY Specific Control Register to 25MHz clock. This
1172 * value defaults back to a 2.5MHz clock when the PHY is reset.
1174 e1000_read_phy_reg(&adapter->hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
1175 phy_reg |= M88E1000_EPSCR_TX_CLK_25;
1176 e1000_write_phy_reg(&adapter->hw,
1177 M88E1000_EXT_PHY_SPEC_CTRL, phy_reg);
1179 /* In addition, because of the s/w reset above, we need to enable
1180 * CRS on TX. This must be set for both full and half duplex
1183 e1000_read_phy_reg(&adapter->hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);
1184 phy_reg |= M88E1000_PSCR_ASSERT_CRS_ON_TX;
1185 e1000_write_phy_reg(&adapter->hw,
1186 M88E1000_PHY_SPEC_CTRL, phy_reg);
1190 e1000_nonintegrated_phy_loopback(struct e1000_adapter *adapter)
1195 /* Setup the Device Control Register for PHY loopback test. */
1197 ctrl_reg = E1000_READ_REG(&adapter->hw, CTRL);
1198 ctrl_reg |= (E1000_CTRL_ILOS | /* Invert Loss-Of-Signal */
1199 E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1200 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1201 E1000_CTRL_SPD_1000 | /* Force Speed to 1000 */
1202 E1000_CTRL_FD); /* Force Duplex to FULL */
1204 E1000_WRITE_REG(&adapter->hw, CTRL, ctrl_reg);
1206 /* Read the PHY Specific Control Register (0x10) */
1207 e1000_read_phy_reg(&adapter->hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);
1209 /* Clear Auto-Crossover bits in PHY Specific Control Register
1212 phy_reg &= ~M88E1000_PSCR_AUTO_X_MODE;
1213 e1000_write_phy_reg(&adapter->hw, M88E1000_PHY_SPEC_CTRL, phy_reg);
1215 /* Perform software reset on the PHY */
1216 e1000_phy_reset(&adapter->hw);
1218 /* Have to setup TX_CLK and TX_CRS after software reset */
1219 e1000_phy_reset_clk_and_crs(adapter);
1221 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x8100);
1223 /* Wait for reset to complete. */
1226 /* Have to setup TX_CLK and TX_CRS after software reset */
1227 e1000_phy_reset_clk_and_crs(adapter);
1229 /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1230 e1000_phy_disable_receiver(adapter);
1232 /* Set the loopback bit in the PHY control register. */
1233 e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg);
1234 phy_reg |= MII_CR_LOOPBACK;
1235 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, phy_reg);
1237 /* Setup TX_CLK and TX_CRS one more time. */
1238 e1000_phy_reset_clk_and_crs(adapter);
1240 /* Check Phy Configuration */
1241 e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg);
1242 if (phy_reg != 0x4100)
1245 e1000_read_phy_reg(&adapter->hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
1246 if (phy_reg != 0x0070)
1249 e1000_read_phy_reg(&adapter->hw, 29, &phy_reg);
1250 if (phy_reg != 0x001A)
1257 e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
1259 uint32_t ctrl_reg = 0;
1260 uint32_t stat_reg = 0;
1262 adapter->hw.autoneg = FALSE;
1264 if (adapter->hw.phy_type == e1000_phy_m88) {
1265 /* Auto-MDI/MDIX Off */
1266 e1000_write_phy_reg(&adapter->hw,
1267 M88E1000_PHY_SPEC_CTRL, 0x0808);
1268 /* reset to update Auto-MDI/MDIX */
1269 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x9140);
1271 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x8140);
1272 } else if (adapter->hw.phy_type == e1000_phy_gg82563)
1273 e1000_write_phy_reg(&adapter->hw,
1274 GG82563_PHY_KMRN_MODE_CTRL,
1277 ctrl_reg = E1000_READ_REG(&adapter->hw, CTRL);
1279 if (adapter->hw.phy_type == e1000_phy_ife) {
1280 /* force 100, set loopback */
1281 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x6100);
1283 /* Now set up the MAC to the same speed/duplex as the PHY. */
1284 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1285 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1286 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1287 E1000_CTRL_SPD_100 |/* Force Speed to 100 */
1288 E1000_CTRL_FD); /* Force Duplex to FULL */
1290 /* force 1000, set loopback */
1291 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x4140);
1293 /* Now set up the MAC to the same speed/duplex as the PHY. */
1294 ctrl_reg = E1000_READ_REG(&adapter->hw, CTRL);
1295 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1296 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1297 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1298 E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
1299 E1000_CTRL_FD); /* Force Duplex to FULL */
1302 if (adapter->hw.media_type == e1000_media_type_copper &&
1303 adapter->hw.phy_type == e1000_phy_m88)
1304 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
1306 /* Set the ILOS bit on the fiber Nic is half
1307 * duplex link is detected. */
1308 stat_reg = E1000_READ_REG(&adapter->hw, STATUS);
1309 if ((stat_reg & E1000_STATUS_FD) == 0)
1310 ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
1313 E1000_WRITE_REG(&adapter->hw, CTRL, ctrl_reg);
1315 /* Disable the receiver on the PHY so when a cable is plugged in, the
1316 * PHY does not begin to autoneg when a cable is reconnected to the NIC.
1318 if (adapter->hw.phy_type == e1000_phy_m88)
1319 e1000_phy_disable_receiver(adapter);
1327 e1000_set_phy_loopback(struct e1000_adapter *adapter)
1329 uint16_t phy_reg = 0;
1332 switch (adapter->hw.mac_type) {
1334 if (adapter->hw.media_type == e1000_media_type_copper) {
1335 /* Attempt to setup Loopback mode on Non-integrated PHY.
1336 * Some PHY registers get corrupted at random, so
1337 * attempt this 10 times.
1339 while (e1000_nonintegrated_phy_loopback(adapter) &&
1349 case e1000_82545_rev_3:
1351 case e1000_82546_rev_3:
1353 case e1000_82541_rev_2:
1355 case e1000_82547_rev_2:
1359 case e1000_80003es2lan:
1361 return e1000_integrated_phy_loopback(adapter);
1365 /* Default PHY loopback work is to read the MII
1366 * control register and assert bit 14 (loopback mode).
1368 e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg);
1369 phy_reg |= MII_CR_LOOPBACK;
1370 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, phy_reg);
1379 e1000_setup_loopback_test(struct e1000_adapter *adapter)
1381 struct e1000_hw *hw = &adapter->hw;
1384 if (hw->media_type == e1000_media_type_fiber ||
1385 hw->media_type == e1000_media_type_internal_serdes) {
1386 switch (hw->mac_type) {
1389 case e1000_82545_rev_3:
1390 case e1000_82546_rev_3:
1391 return e1000_set_phy_loopback(adapter);
1395 #define E1000_SERDES_LB_ON 0x410
1396 e1000_set_phy_loopback(adapter);
1397 E1000_WRITE_REG(hw, SCTL, E1000_SERDES_LB_ON);
1402 rctl = E1000_READ_REG(hw, RCTL);
1403 rctl |= E1000_RCTL_LBM_TCVR;
1404 E1000_WRITE_REG(hw, RCTL, rctl);
1407 } else if (hw->media_type == e1000_media_type_copper)
1408 return e1000_set_phy_loopback(adapter);
1414 e1000_loopback_cleanup(struct e1000_adapter *adapter)
1416 struct e1000_hw *hw = &adapter->hw;
1420 rctl = E1000_READ_REG(hw, RCTL);
1421 rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
1422 E1000_WRITE_REG(hw, RCTL, rctl);
1424 switch (hw->mac_type) {
1427 if (hw->media_type == e1000_media_type_fiber ||
1428 hw->media_type == e1000_media_type_internal_serdes) {
1429 #define E1000_SERDES_LB_OFF 0x400
1430 E1000_WRITE_REG(hw, SCTL, E1000_SERDES_LB_OFF);
1437 case e1000_82545_rev_3:
1438 case e1000_82546_rev_3:
1441 if (hw->phy_type == e1000_phy_gg82563)
1442 e1000_write_phy_reg(hw,
1443 GG82563_PHY_KMRN_MODE_CTRL,
1445 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1446 if (phy_reg & MII_CR_LOOPBACK) {
1447 phy_reg &= ~MII_CR_LOOPBACK;
1448 e1000_write_phy_reg(hw, PHY_CTRL, phy_reg);
1449 e1000_phy_reset(hw);
1456 e1000_create_lbtest_frame(struct sk_buff *skb, unsigned int frame_size)
1458 memset(skb->data, 0xFF, frame_size);
1460 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1461 memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
1462 memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
1466 e1000_check_lbtest_frame(struct sk_buff *skb, unsigned int frame_size)
1469 if (*(skb->data + 3) == 0xFF) {
1470 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
1471 (*(skb->data + frame_size / 2 + 12) == 0xAF)) {
1479 e1000_run_loopback_test(struct e1000_adapter *adapter)
1481 struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
1482 struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
1483 struct pci_dev *pdev = adapter->pdev;
1484 int i, j, k, l, lc, good_cnt, ret_val=0;
1487 E1000_WRITE_REG(&adapter->hw, RDT, rxdr->count - 1);
1489 /* Calculate the loop count based on the largest descriptor ring
1490 * The idea is to wrap the largest ring a number of times using 64
1491 * send/receive pairs during each loop
1494 if (rxdr->count <= txdr->count)
1495 lc = ((txdr->count / 64) * 2) + 1;
1497 lc = ((rxdr->count / 64) * 2) + 1;
1500 for (j = 0; j <= lc; j++) { /* loop count loop */
1501 for (i = 0; i < 64; i++) { /* send the packets */
1502 e1000_create_lbtest_frame(txdr->buffer_info[i].skb,
1504 pci_dma_sync_single_for_device(pdev,
1505 txdr->buffer_info[k].dma,
1506 txdr->buffer_info[k].length,
1508 if (unlikely(++k == txdr->count)) k = 0;
1510 E1000_WRITE_REG(&adapter->hw, TDT, k);
1512 time = jiffies; /* set the start time for the receive */
1514 do { /* receive the sent packets */
1515 pci_dma_sync_single_for_cpu(pdev,
1516 rxdr->buffer_info[l].dma,
1517 rxdr->buffer_info[l].length,
1518 PCI_DMA_FROMDEVICE);
1520 ret_val = e1000_check_lbtest_frame(
1521 rxdr->buffer_info[l].skb,
1525 if (unlikely(++l == rxdr->count)) l = 0;
1526 /* time + 20 msecs (200 msecs on 2.4) is more than
1527 * enough time to complete the receives, if it's
1528 * exceeded, break and error off
1530 } while (good_cnt < 64 && jiffies < (time + 20));
1531 if (good_cnt != 64) {
1532 ret_val = 13; /* ret_val is the same as mis-compare */
1535 if (jiffies >= (time + 2)) {
1536 ret_val = 14; /* error code for time out error */
1539 } /* end loop count loop */
1544 e1000_loopback_test(struct e1000_adapter *adapter, uint64_t *data)
1546 /* PHY loopback cannot be performed if SoL/IDER
1547 * sessions are active */
1548 if (e1000_check_phy_reset_block(&adapter->hw)) {
1549 DPRINTK(DRV, ERR, "Cannot do PHY loopback test "
1550 "when SoL/IDER is active.\n");
1555 if ((*data = e1000_setup_desc_rings(adapter)))
1557 if ((*data = e1000_setup_loopback_test(adapter)))
1559 *data = e1000_run_loopback_test(adapter);
1560 e1000_loopback_cleanup(adapter);
1563 e1000_free_desc_rings(adapter);
1569 e1000_link_test(struct e1000_adapter *adapter, uint64_t *data)
1572 if (adapter->hw.media_type == e1000_media_type_internal_serdes) {
1574 adapter->hw.serdes_link_down = TRUE;
1576 /* On some blade server designs, link establishment
1577 * could take as long as 2-3 minutes */
1579 e1000_check_for_link(&adapter->hw);
1580 if (adapter->hw.serdes_link_down == FALSE)
1583 } while (i++ < 3750);
1587 e1000_check_for_link(&adapter->hw);
1588 if (adapter->hw.autoneg) /* if auto_neg is set wait for it */
1591 if (!(E1000_READ_REG(&adapter->hw, STATUS) & E1000_STATUS_LU)) {
1599 e1000_diag_test_count(struct net_device *netdev)
1601 return E1000_TEST_LEN;
1604 extern void e1000_power_up_phy(struct e1000_adapter *);
1607 e1000_diag_test(struct net_device *netdev,
1608 struct ethtool_test *eth_test, uint64_t *data)
1610 struct e1000_adapter *adapter = netdev_priv(netdev);
1611 boolean_t if_running = netif_running(netdev);
1613 set_bit(__E1000_DRIVER_TESTING, &adapter->flags);
1614 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1617 /* save speed, duplex, autoneg settings */
1618 uint16_t autoneg_advertised = adapter->hw.autoneg_advertised;
1619 uint8_t forced_speed_duplex = adapter->hw.forced_speed_duplex;
1620 uint8_t autoneg = adapter->hw.autoneg;
1622 DPRINTK(HW, INFO, "offline testing starting\n");
1624 /* Link test performed before hardware reset so autoneg doesn't
1625 * interfere with test result */
1626 if (e1000_link_test(adapter, &data[4]))
1627 eth_test->flags |= ETH_TEST_FL_FAILED;
1630 /* indicate we're in test mode */
1633 e1000_reset(adapter);
1635 if (e1000_reg_test(adapter, &data[0]))
1636 eth_test->flags |= ETH_TEST_FL_FAILED;
1638 e1000_reset(adapter);
1639 if (e1000_eeprom_test(adapter, &data[1]))
1640 eth_test->flags |= ETH_TEST_FL_FAILED;
1642 e1000_reset(adapter);
1643 if (e1000_intr_test(adapter, &data[2]))
1644 eth_test->flags |= ETH_TEST_FL_FAILED;
1646 e1000_reset(adapter);
1647 /* make sure the phy is powered up */
1648 e1000_power_up_phy(adapter);
1649 if (e1000_loopback_test(adapter, &data[3]))
1650 eth_test->flags |= ETH_TEST_FL_FAILED;
1652 /* restore speed, duplex, autoneg settings */
1653 adapter->hw.autoneg_advertised = autoneg_advertised;
1654 adapter->hw.forced_speed_duplex = forced_speed_duplex;
1655 adapter->hw.autoneg = autoneg;
1657 e1000_reset(adapter);
1658 clear_bit(__E1000_DRIVER_TESTING, &adapter->flags);
1662 DPRINTK(HW, INFO, "online testing starting\n");
1664 if (e1000_link_test(adapter, &data[4]))
1665 eth_test->flags |= ETH_TEST_FL_FAILED;
1667 /* Offline tests aren't run; pass by default */
1673 clear_bit(__E1000_DRIVER_TESTING, &adapter->flags);
1675 msleep_interruptible(4 * 1000);
1678 static int e1000_wol_exclusion(struct e1000_adapter *adapter, struct ethtool_wolinfo *wol)
1680 struct e1000_hw *hw = &adapter->hw;
1681 int retval = 1; /* fail by default */
1683 switch (hw->device_id) {
1684 case E1000_DEV_ID_82543GC_FIBER:
1685 case E1000_DEV_ID_82543GC_COPPER:
1686 case E1000_DEV_ID_82544EI_FIBER:
1687 case E1000_DEV_ID_82546EB_QUAD_COPPER:
1688 case E1000_DEV_ID_82545EM_FIBER:
1689 case E1000_DEV_ID_82545EM_COPPER:
1690 case E1000_DEV_ID_82546GB_QUAD_COPPER:
1691 case E1000_DEV_ID_82546GB_PCIE:
1692 /* these don't support WoL at all */
1695 case E1000_DEV_ID_82546EB_FIBER:
1696 case E1000_DEV_ID_82546GB_FIBER:
1697 case E1000_DEV_ID_82571EB_FIBER:
1698 case E1000_DEV_ID_82571EB_SERDES:
1699 case E1000_DEV_ID_82571EB_COPPER:
1700 /* Wake events not supported on port B */
1701 if (E1000_READ_REG(hw, STATUS) & E1000_STATUS_FUNC_1) {
1705 /* return success for non excluded adapter ports */
1708 case E1000_DEV_ID_82571EB_QUAD_COPPER:
1709 case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
1710 /* quad port adapters only support WoL on port A */
1711 if (!adapter->quad_port_a) {
1715 /* return success for non excluded adapter ports */
1719 /* dual port cards only support WoL on port A from now on
1720 * unless it was enabled in the eeprom for port B
1721 * so exclude FUNC_1 ports from having WoL enabled */
1722 if (E1000_READ_REG(hw, STATUS) & E1000_STATUS_FUNC_1 &&
1723 !adapter->eeprom_wol) {
1735 e1000_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1737 struct e1000_adapter *adapter = netdev_priv(netdev);
1739 wol->supported = WAKE_UCAST | WAKE_MCAST |
1740 WAKE_BCAST | WAKE_MAGIC;
1743 /* this function will set ->supported = 0 and return 1 if wol is not
1744 * supported by this hardware */
1745 if (e1000_wol_exclusion(adapter, wol))
1748 /* apply any specific unsupported masks here */
1749 switch (adapter->hw.device_id) {
1750 case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
1751 /* KSP3 does not suppport UCAST wake-ups */
1752 wol->supported &= ~WAKE_UCAST;
1754 if (adapter->wol & E1000_WUFC_EX)
1755 DPRINTK(DRV, ERR, "Interface does not support "
1756 "directed (unicast) frame wake-up packets\n");
1762 if (adapter->wol & E1000_WUFC_EX)
1763 wol->wolopts |= WAKE_UCAST;
1764 if (adapter->wol & E1000_WUFC_MC)
1765 wol->wolopts |= WAKE_MCAST;
1766 if (adapter->wol & E1000_WUFC_BC)
1767 wol->wolopts |= WAKE_BCAST;
1768 if (adapter->wol & E1000_WUFC_MAG)
1769 wol->wolopts |= WAKE_MAGIC;
1775 e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1777 struct e1000_adapter *adapter = netdev_priv(netdev);
1778 struct e1000_hw *hw = &adapter->hw;
1780 if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
1783 if (e1000_wol_exclusion(adapter, wol))
1784 return wol->wolopts ? -EOPNOTSUPP : 0;
1786 switch (hw->device_id) {
1787 case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
1788 if (wol->wolopts & WAKE_UCAST) {
1789 DPRINTK(DRV, ERR, "Interface does not support "
1790 "directed (unicast) frame wake-up packets\n");
1798 /* these settings will always override what we currently have */
1801 if (wol->wolopts & WAKE_UCAST)
1802 adapter->wol |= E1000_WUFC_EX;
1803 if (wol->wolopts & WAKE_MCAST)
1804 adapter->wol |= E1000_WUFC_MC;
1805 if (wol->wolopts & WAKE_BCAST)
1806 adapter->wol |= E1000_WUFC_BC;
1807 if (wol->wolopts & WAKE_MAGIC)
1808 adapter->wol |= E1000_WUFC_MAG;
1813 /* toggle LED 4 times per second = 2 "blinks" per second */
1814 #define E1000_ID_INTERVAL (HZ/4)
1816 /* bit defines for adapter->led_status */
1817 #define E1000_LED_ON 0
1820 e1000_led_blink_callback(unsigned long data)
1822 struct e1000_adapter *adapter = (struct e1000_adapter *) data;
1824 if (test_and_change_bit(E1000_LED_ON, &adapter->led_status))
1825 e1000_led_off(&adapter->hw);
1827 e1000_led_on(&adapter->hw);
1829 mod_timer(&adapter->blink_timer, jiffies + E1000_ID_INTERVAL);
1833 e1000_phys_id(struct net_device *netdev, uint32_t data)
1835 struct e1000_adapter *adapter = netdev_priv(netdev);
1837 if (!data || data > (uint32_t)(MAX_SCHEDULE_TIMEOUT / HZ))
1838 data = (uint32_t)(MAX_SCHEDULE_TIMEOUT / HZ);
1840 if (adapter->hw.mac_type < e1000_82571) {
1841 if (!adapter->blink_timer.function) {
1842 init_timer(&adapter->blink_timer);
1843 adapter->blink_timer.function = e1000_led_blink_callback;
1844 adapter->blink_timer.data = (unsigned long) adapter;
1846 e1000_setup_led(&adapter->hw);
1847 mod_timer(&adapter->blink_timer, jiffies);
1848 msleep_interruptible(data * 1000);
1849 del_timer_sync(&adapter->blink_timer);
1850 } else if (adapter->hw.phy_type == e1000_phy_ife) {
1851 if (!adapter->blink_timer.function) {
1852 init_timer(&adapter->blink_timer);
1853 adapter->blink_timer.function = e1000_led_blink_callback;
1854 adapter->blink_timer.data = (unsigned long) adapter;
1856 mod_timer(&adapter->blink_timer, jiffies);
1857 msleep_interruptible(data * 1000);
1858 del_timer_sync(&adapter->blink_timer);
1859 e1000_write_phy_reg(&(adapter->hw), IFE_PHY_SPECIAL_CONTROL_LED, 0);
1861 e1000_blink_led_start(&adapter->hw);
1862 msleep_interruptible(data * 1000);
1865 e1000_led_off(&adapter->hw);
1866 clear_bit(E1000_LED_ON, &adapter->led_status);
1867 e1000_cleanup_led(&adapter->hw);
1873 e1000_nway_reset(struct net_device *netdev)
1875 struct e1000_adapter *adapter = netdev_priv(netdev);
1876 if (netif_running(netdev))
1877 e1000_reinit_locked(adapter);
1882 e1000_get_stats_count(struct net_device *netdev)
1884 return E1000_STATS_LEN;
1888 e1000_get_ethtool_stats(struct net_device *netdev,
1889 struct ethtool_stats *stats, uint64_t *data)
1891 struct e1000_adapter *adapter = netdev_priv(netdev);
1894 e1000_update_stats(adapter);
1895 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1896 char *p = (char *)adapter+e1000_gstrings_stats[i].stat_offset;
1897 data[i] = (e1000_gstrings_stats[i].sizeof_stat ==
1898 sizeof(uint64_t)) ? *(uint64_t *)p : *(uint32_t *)p;
1900 /* BUG_ON(i != E1000_STATS_LEN); */
1904 e1000_get_strings(struct net_device *netdev, uint32_t stringset, uint8_t *data)
1909 switch (stringset) {
1911 memcpy(data, *e1000_gstrings_test,
1912 E1000_TEST_LEN*ETH_GSTRING_LEN);
1915 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1916 memcpy(p, e1000_gstrings_stats[i].stat_string,
1918 p += ETH_GSTRING_LEN;
1920 /* BUG_ON(p - data != E1000_STATS_LEN * ETH_GSTRING_LEN); */
1925 static struct ethtool_ops e1000_ethtool_ops = {
1926 .get_settings = e1000_get_settings,
1927 .set_settings = e1000_set_settings,
1928 .get_drvinfo = e1000_get_drvinfo,
1929 .get_regs_len = e1000_get_regs_len,
1930 .get_regs = e1000_get_regs,
1931 .get_wol = e1000_get_wol,
1932 .set_wol = e1000_set_wol,
1933 .get_msglevel = e1000_get_msglevel,
1934 .set_msglevel = e1000_set_msglevel,
1935 .nway_reset = e1000_nway_reset,
1936 .get_link = ethtool_op_get_link,
1937 .get_eeprom_len = e1000_get_eeprom_len,
1938 .get_eeprom = e1000_get_eeprom,
1939 .set_eeprom = e1000_set_eeprom,
1940 .get_ringparam = e1000_get_ringparam,
1941 .set_ringparam = e1000_set_ringparam,
1942 .get_pauseparam = e1000_get_pauseparam,
1943 .set_pauseparam = e1000_set_pauseparam,
1944 .get_rx_csum = e1000_get_rx_csum,
1945 .set_rx_csum = e1000_set_rx_csum,
1946 .get_tx_csum = e1000_get_tx_csum,
1947 .set_tx_csum = e1000_set_tx_csum,
1948 .get_sg = ethtool_op_get_sg,
1949 .set_sg = ethtool_op_set_sg,
1951 .get_tso = ethtool_op_get_tso,
1952 .set_tso = e1000_set_tso,
1954 .self_test_count = e1000_diag_test_count,
1955 .self_test = e1000_diag_test,
1956 .get_strings = e1000_get_strings,
1957 .phys_id = e1000_phys_id,
1958 .get_stats_count = e1000_get_stats_count,
1959 .get_ethtool_stats = e1000_get_ethtool_stats,
1960 .get_perm_addr = ethtool_op_get_perm_addr,
1963 void e1000_set_ethtool_ops(struct net_device *netdev)
1965 SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops);