1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright(c) 1999 - 2018 Intel Corporation. */
4 /* ethtool support for e1000 */
6 #include <linux/netdevice.h>
7 #include <linux/interrupt.h>
8 #include <linux/ethtool.h>
10 #include <linux/slab.h>
11 #include <linux/delay.h>
12 #include <linux/vmalloc.h>
13 #include <linux/pm_runtime.h>
17 enum { NETDEV_STATS, E1000_STATS };
20 char stat_string[ETH_GSTRING_LEN];
26 #define E1000_STAT(str, m) { \
28 .type = E1000_STATS, \
29 .sizeof_stat = sizeof(((struct e1000_adapter *)0)->m), \
30 .stat_offset = offsetof(struct e1000_adapter, m) }
31 #define E1000_NETDEV_STAT(str, m) { \
33 .type = NETDEV_STATS, \
34 .sizeof_stat = sizeof(((struct rtnl_link_stats64 *)0)->m), \
35 .stat_offset = offsetof(struct rtnl_link_stats64, m) }
37 static const struct e1000_stats e1000_gstrings_stats[] = {
38 E1000_STAT("rx_packets", stats.gprc),
39 E1000_STAT("tx_packets", stats.gptc),
40 E1000_STAT("rx_bytes", stats.gorc),
41 E1000_STAT("tx_bytes", stats.gotc),
42 E1000_STAT("rx_broadcast", stats.bprc),
43 E1000_STAT("tx_broadcast", stats.bptc),
44 E1000_STAT("rx_multicast", stats.mprc),
45 E1000_STAT("tx_multicast", stats.mptc),
46 E1000_NETDEV_STAT("rx_errors", rx_errors),
47 E1000_NETDEV_STAT("tx_errors", tx_errors),
48 E1000_NETDEV_STAT("tx_dropped", tx_dropped),
49 E1000_STAT("multicast", stats.mprc),
50 E1000_STAT("collisions", stats.colc),
51 E1000_NETDEV_STAT("rx_length_errors", rx_length_errors),
52 E1000_NETDEV_STAT("rx_over_errors", rx_over_errors),
53 E1000_STAT("rx_crc_errors", stats.crcerrs),
54 E1000_NETDEV_STAT("rx_frame_errors", rx_frame_errors),
55 E1000_STAT("rx_no_buffer_count", stats.rnbc),
56 E1000_STAT("rx_missed_errors", stats.mpc),
57 E1000_STAT("tx_aborted_errors", stats.ecol),
58 E1000_STAT("tx_carrier_errors", stats.tncrs),
59 E1000_NETDEV_STAT("tx_fifo_errors", tx_fifo_errors),
60 E1000_NETDEV_STAT("tx_heartbeat_errors", tx_heartbeat_errors),
61 E1000_STAT("tx_window_errors", stats.latecol),
62 E1000_STAT("tx_abort_late_coll", stats.latecol),
63 E1000_STAT("tx_deferred_ok", stats.dc),
64 E1000_STAT("tx_single_coll_ok", stats.scc),
65 E1000_STAT("tx_multi_coll_ok", stats.mcc),
66 E1000_STAT("tx_timeout_count", tx_timeout_count),
67 E1000_STAT("tx_restart_queue", restart_queue),
68 E1000_STAT("rx_long_length_errors", stats.roc),
69 E1000_STAT("rx_short_length_errors", stats.ruc),
70 E1000_STAT("rx_align_errors", stats.algnerrc),
71 E1000_STAT("tx_tcp_seg_good", stats.tsctc),
72 E1000_STAT("tx_tcp_seg_failed", stats.tsctfc),
73 E1000_STAT("rx_flow_control_xon", stats.xonrxc),
74 E1000_STAT("rx_flow_control_xoff", stats.xoffrxc),
75 E1000_STAT("tx_flow_control_xon", stats.xontxc),
76 E1000_STAT("tx_flow_control_xoff", stats.xofftxc),
77 E1000_STAT("rx_csum_offload_good", hw_csum_good),
78 E1000_STAT("rx_csum_offload_errors", hw_csum_err),
79 E1000_STAT("rx_header_split", rx_hdr_split),
80 E1000_STAT("alloc_rx_buff_failed", alloc_rx_buff_failed),
81 E1000_STAT("tx_smbus", stats.mgptc),
82 E1000_STAT("rx_smbus", stats.mgprc),
83 E1000_STAT("dropped_smbus", stats.mgpdc),
84 E1000_STAT("rx_dma_failed", rx_dma_failed),
85 E1000_STAT("tx_dma_failed", tx_dma_failed),
86 E1000_STAT("rx_hwtstamp_cleared", rx_hwtstamp_cleared),
87 E1000_STAT("uncorr_ecc_errors", uncorr_errors),
88 E1000_STAT("corr_ecc_errors", corr_errors),
89 E1000_STAT("tx_hwtstamp_timeouts", tx_hwtstamp_timeouts),
90 E1000_STAT("tx_hwtstamp_skipped", tx_hwtstamp_skipped),
93 #define E1000_GLOBAL_STATS_LEN ARRAY_SIZE(e1000_gstrings_stats)
94 #define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN)
95 static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = {
96 "Register test (offline)", "Eeprom test (offline)",
97 "Interrupt test (offline)", "Loopback test (offline)",
98 "Link test (on/offline)"
101 #define E1000_TEST_LEN ARRAY_SIZE(e1000_gstrings_test)
103 static int e1000_get_link_ksettings(struct net_device *netdev,
104 struct ethtool_link_ksettings *cmd)
106 struct e1000_adapter *adapter = netdev_priv(netdev);
107 struct e1000_hw *hw = &adapter->hw;
108 u32 speed, supported, advertising;
110 if (hw->phy.media_type == e1000_media_type_copper) {
111 supported = (SUPPORTED_10baseT_Half |
112 SUPPORTED_10baseT_Full |
113 SUPPORTED_100baseT_Half |
114 SUPPORTED_100baseT_Full |
115 SUPPORTED_1000baseT_Full |
118 if (hw->phy.type == e1000_phy_ife)
119 supported &= ~SUPPORTED_1000baseT_Full;
120 advertising = ADVERTISED_TP;
122 if (hw->mac.autoneg == 1) {
123 advertising |= ADVERTISED_Autoneg;
124 /* the e1000 autoneg seems to match ethtool nicely */
125 advertising |= hw->phy.autoneg_advertised;
128 cmd->base.port = PORT_TP;
129 cmd->base.phy_address = hw->phy.addr;
131 supported = (SUPPORTED_1000baseT_Full |
135 advertising = (ADVERTISED_1000baseT_Full |
139 cmd->base.port = PORT_FIBRE;
142 speed = SPEED_UNKNOWN;
143 cmd->base.duplex = DUPLEX_UNKNOWN;
145 if (netif_running(netdev)) {
146 if (netif_carrier_ok(netdev)) {
147 speed = adapter->link_speed;
148 cmd->base.duplex = adapter->link_duplex - 1;
150 } else if (!pm_runtime_suspended(netdev->dev.parent)) {
151 u32 status = er32(STATUS);
153 if (status & E1000_STATUS_LU) {
154 if (status & E1000_STATUS_SPEED_1000)
156 else if (status & E1000_STATUS_SPEED_100)
161 if (status & E1000_STATUS_FD)
162 cmd->base.duplex = DUPLEX_FULL;
164 cmd->base.duplex = DUPLEX_HALF;
168 cmd->base.speed = speed;
169 cmd->base.autoneg = ((hw->phy.media_type == e1000_media_type_fiber) ||
170 hw->mac.autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE;
172 /* MDI-X => 2; MDI =>1; Invalid =>0 */
173 if ((hw->phy.media_type == e1000_media_type_copper) &&
174 netif_carrier_ok(netdev))
175 cmd->base.eth_tp_mdix = hw->phy.is_mdix ?
176 ETH_TP_MDI_X : ETH_TP_MDI;
178 cmd->base.eth_tp_mdix = ETH_TP_MDI_INVALID;
180 if (hw->phy.mdix == AUTO_ALL_MODES)
181 cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI_AUTO;
183 cmd->base.eth_tp_mdix_ctrl = hw->phy.mdix;
185 if (hw->phy.media_type != e1000_media_type_copper)
186 cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI_INVALID;
188 ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
190 ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising,
196 static int e1000_set_spd_dplx(struct e1000_adapter *adapter, u32 spd, u8 dplx)
198 struct e1000_mac_info *mac = &adapter->hw.mac;
202 /* Make sure dplx is at most 1 bit and lsb of speed is not set
203 * for the switch() below to work
205 if ((spd & 1) || (dplx & ~1))
208 /* Fiber NICs only allow 1000 gbps Full duplex */
209 if ((adapter->hw.phy.media_type == e1000_media_type_fiber) &&
210 (spd != SPEED_1000) && (dplx != DUPLEX_FULL)) {
214 switch (spd + dplx) {
215 case SPEED_10 + DUPLEX_HALF:
216 mac->forced_speed_duplex = ADVERTISE_10_HALF;
218 case SPEED_10 + DUPLEX_FULL:
219 mac->forced_speed_duplex = ADVERTISE_10_FULL;
221 case SPEED_100 + DUPLEX_HALF:
222 mac->forced_speed_duplex = ADVERTISE_100_HALF;
224 case SPEED_100 + DUPLEX_FULL:
225 mac->forced_speed_duplex = ADVERTISE_100_FULL;
227 case SPEED_1000 + DUPLEX_FULL:
228 if (adapter->hw.phy.media_type == e1000_media_type_copper) {
230 adapter->hw.phy.autoneg_advertised =
233 mac->forced_speed_duplex = ADVERTISE_1000_FULL;
236 case SPEED_1000 + DUPLEX_HALF: /* not supported */
241 /* clear MDI, MDI(-X) override is only allowed when autoneg enabled */
242 adapter->hw.phy.mdix = AUTO_ALL_MODES;
247 e_err("Unsupported Speed/Duplex configuration\n");
251 static int e1000_set_link_ksettings(struct net_device *netdev,
252 const struct ethtool_link_ksettings *cmd)
254 struct e1000_adapter *adapter = netdev_priv(netdev);
255 struct e1000_hw *hw = &adapter->hw;
259 ethtool_convert_link_mode_to_legacy_u32(&advertising,
260 cmd->link_modes.advertising);
262 pm_runtime_get_sync(netdev->dev.parent);
264 /* When SoL/IDER sessions are active, autoneg/speed/duplex
267 if (hw->phy.ops.check_reset_block &&
268 hw->phy.ops.check_reset_block(hw)) {
269 e_err("Cannot change link characteristics when SoL/IDER is active.\n");
274 /* MDI setting is only allowed when autoneg enabled because
275 * some hardware doesn't allow MDI setting when speed or
278 if (cmd->base.eth_tp_mdix_ctrl) {
279 if (hw->phy.media_type != e1000_media_type_copper) {
280 ret_val = -EOPNOTSUPP;
284 if ((cmd->base.eth_tp_mdix_ctrl != ETH_TP_MDI_AUTO) &&
285 (cmd->base.autoneg != AUTONEG_ENABLE)) {
286 e_err("forcing MDI/MDI-X state is not supported when link speed and/or duplex are forced\n");
292 while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
293 usleep_range(1000, 2000);
295 if (cmd->base.autoneg == AUTONEG_ENABLE) {
297 if (hw->phy.media_type == e1000_media_type_fiber)
298 hw->phy.autoneg_advertised = ADVERTISED_1000baseT_Full |
299 ADVERTISED_FIBRE | ADVERTISED_Autoneg;
301 hw->phy.autoneg_advertised = advertising |
302 ADVERTISED_TP | ADVERTISED_Autoneg;
303 advertising = hw->phy.autoneg_advertised;
304 if (adapter->fc_autoneg)
305 hw->fc.requested_mode = e1000_fc_default;
307 u32 speed = cmd->base.speed;
308 /* calling this overrides forced MDI setting */
309 if (e1000_set_spd_dplx(adapter, speed, cmd->base.duplex)) {
315 /* MDI-X => 2; MDI => 1; Auto => 3 */
316 if (cmd->base.eth_tp_mdix_ctrl) {
317 /* fix up the value for auto (3 => 0) as zero is mapped
320 if (cmd->base.eth_tp_mdix_ctrl == ETH_TP_MDI_AUTO)
321 hw->phy.mdix = AUTO_ALL_MODES;
323 hw->phy.mdix = cmd->base.eth_tp_mdix_ctrl;
327 if (netif_running(adapter->netdev)) {
328 e1000e_down(adapter, true);
331 e1000e_reset(adapter);
335 pm_runtime_put_sync(netdev->dev.parent);
336 clear_bit(__E1000_RESETTING, &adapter->state);
340 static void e1000_get_pauseparam(struct net_device *netdev,
341 struct ethtool_pauseparam *pause)
343 struct e1000_adapter *adapter = netdev_priv(netdev);
344 struct e1000_hw *hw = &adapter->hw;
347 (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE);
349 if (hw->fc.current_mode == e1000_fc_rx_pause) {
351 } else if (hw->fc.current_mode == e1000_fc_tx_pause) {
353 } else if (hw->fc.current_mode == e1000_fc_full) {
359 static int e1000_set_pauseparam(struct net_device *netdev,
360 struct ethtool_pauseparam *pause)
362 struct e1000_adapter *adapter = netdev_priv(netdev);
363 struct e1000_hw *hw = &adapter->hw;
366 adapter->fc_autoneg = pause->autoneg;
368 while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
369 usleep_range(1000, 2000);
371 pm_runtime_get_sync(netdev->dev.parent);
373 if (adapter->fc_autoneg == AUTONEG_ENABLE) {
374 hw->fc.requested_mode = e1000_fc_default;
375 if (netif_running(adapter->netdev)) {
376 e1000e_down(adapter, true);
379 e1000e_reset(adapter);
382 if (pause->rx_pause && pause->tx_pause)
383 hw->fc.requested_mode = e1000_fc_full;
384 else if (pause->rx_pause && !pause->tx_pause)
385 hw->fc.requested_mode = e1000_fc_rx_pause;
386 else if (!pause->rx_pause && pause->tx_pause)
387 hw->fc.requested_mode = e1000_fc_tx_pause;
388 else if (!pause->rx_pause && !pause->tx_pause)
389 hw->fc.requested_mode = e1000_fc_none;
391 hw->fc.current_mode = hw->fc.requested_mode;
393 if (hw->phy.media_type == e1000_media_type_fiber) {
394 retval = hw->mac.ops.setup_link(hw);
395 /* implicit goto out */
397 retval = e1000e_force_mac_fc(hw);
400 e1000e_set_fc_watermarks(hw);
405 pm_runtime_put_sync(netdev->dev.parent);
406 clear_bit(__E1000_RESETTING, &adapter->state);
410 static u32 e1000_get_msglevel(struct net_device *netdev)
412 struct e1000_adapter *adapter = netdev_priv(netdev);
413 return adapter->msg_enable;
416 static void e1000_set_msglevel(struct net_device *netdev, u32 data)
418 struct e1000_adapter *adapter = netdev_priv(netdev);
419 adapter->msg_enable = data;
422 static int e1000_get_regs_len(struct net_device __always_unused *netdev)
424 #define E1000_REGS_LEN 32 /* overestimate */
425 return E1000_REGS_LEN * sizeof(u32);
428 static void e1000_get_regs(struct net_device *netdev,
429 struct ethtool_regs *regs, void *p)
431 struct e1000_adapter *adapter = netdev_priv(netdev);
432 struct e1000_hw *hw = &adapter->hw;
436 pm_runtime_get_sync(netdev->dev.parent);
438 memset(p, 0, E1000_REGS_LEN * sizeof(u32));
440 regs->version = (1u << 24) |
441 (adapter->pdev->revision << 16) |
442 adapter->pdev->device;
444 regs_buff[0] = er32(CTRL);
445 regs_buff[1] = er32(STATUS);
447 regs_buff[2] = er32(RCTL);
448 regs_buff[3] = er32(RDLEN(0));
449 regs_buff[4] = er32(RDH(0));
450 regs_buff[5] = er32(RDT(0));
451 regs_buff[6] = er32(RDTR);
453 regs_buff[7] = er32(TCTL);
454 regs_buff[8] = er32(TDLEN(0));
455 regs_buff[9] = er32(TDH(0));
456 regs_buff[10] = er32(TDT(0));
457 regs_buff[11] = er32(TIDV);
459 regs_buff[12] = adapter->hw.phy.type; /* PHY type (IGP=1, M88=0) */
461 /* ethtool doesn't use anything past this point, so all this
462 * code is likely legacy junk for apps that may or may not exist
464 if (hw->phy.type == e1000_phy_m88) {
465 e1e_rphy(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
466 regs_buff[13] = (u32)phy_data; /* cable length */
467 regs_buff[14] = 0; /* Dummy (to align w/ IGP phy reg dump) */
468 regs_buff[15] = 0; /* Dummy (to align w/ IGP phy reg dump) */
469 regs_buff[16] = 0; /* Dummy (to align w/ IGP phy reg dump) */
470 e1e_rphy(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
471 regs_buff[17] = (u32)phy_data; /* extended 10bt distance */
472 regs_buff[18] = regs_buff[13]; /* cable polarity */
473 regs_buff[19] = 0; /* Dummy (to align w/ IGP phy reg dump) */
474 regs_buff[20] = regs_buff[17]; /* polarity correction */
475 /* phy receive errors */
476 regs_buff[22] = adapter->phy_stats.receive_errors;
477 regs_buff[23] = regs_buff[13]; /* mdix mode */
479 regs_buff[21] = 0; /* was idle_errors */
480 e1e_rphy(hw, MII_STAT1000, &phy_data);
481 regs_buff[24] = (u32)phy_data; /* phy local receiver status */
482 regs_buff[25] = regs_buff[24]; /* phy remote receiver status */
484 pm_runtime_put_sync(netdev->dev.parent);
487 static int e1000_get_eeprom_len(struct net_device *netdev)
489 struct e1000_adapter *adapter = netdev_priv(netdev);
490 return adapter->hw.nvm.word_size * 2;
493 static int e1000_get_eeprom(struct net_device *netdev,
494 struct ethtool_eeprom *eeprom, u8 *bytes)
496 struct e1000_adapter *adapter = netdev_priv(netdev);
497 struct e1000_hw *hw = &adapter->hw;
504 if (eeprom->len == 0)
507 eeprom->magic = adapter->pdev->vendor | (adapter->pdev->device << 16);
509 first_word = eeprom->offset >> 1;
510 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
512 eeprom_buff = kmalloc_array(last_word - first_word + 1, sizeof(u16),
517 pm_runtime_get_sync(netdev->dev.parent);
519 if (hw->nvm.type == e1000_nvm_eeprom_spi) {
520 ret_val = e1000_read_nvm(hw, first_word,
521 last_word - first_word + 1,
524 for (i = 0; i < last_word - first_word + 1; i++) {
525 ret_val = e1000_read_nvm(hw, first_word + i, 1,
532 pm_runtime_put_sync(netdev->dev.parent);
535 /* a read error occurred, throw away the result */
536 memset(eeprom_buff, 0xff, sizeof(u16) *
537 (last_word - first_word + 1));
539 /* Device's eeprom is always little-endian, word addressable */
540 for (i = 0; i < last_word - first_word + 1; i++)
541 le16_to_cpus(&eeprom_buff[i]);
544 memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
550 static int e1000_set_eeprom(struct net_device *netdev,
551 struct ethtool_eeprom *eeprom, u8 *bytes)
553 struct e1000_adapter *adapter = netdev_priv(netdev);
554 struct e1000_hw *hw = &adapter->hw;
563 if (eeprom->len == 0)
567 (adapter->pdev->vendor | (adapter->pdev->device << 16)))
570 if (adapter->flags & FLAG_READ_ONLY_NVM)
573 max_len = hw->nvm.word_size * 2;
575 first_word = eeprom->offset >> 1;
576 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
577 eeprom_buff = kmalloc(max_len, GFP_KERNEL);
581 ptr = (void *)eeprom_buff;
583 pm_runtime_get_sync(netdev->dev.parent);
585 if (eeprom->offset & 1) {
586 /* need read/modify/write of first changed EEPROM word */
587 /* only the second byte of the word is being modified */
588 ret_val = e1000_read_nvm(hw, first_word, 1, &eeprom_buff[0]);
591 if (((eeprom->offset + eeprom->len) & 1) && (!ret_val))
592 /* need read/modify/write of last changed EEPROM word */
593 /* only the first byte of the word is being modified */
594 ret_val = e1000_read_nvm(hw, last_word, 1,
595 &eeprom_buff[last_word - first_word]);
600 /* Device's eeprom is always little-endian, word addressable */
601 for (i = 0; i < last_word - first_word + 1; i++)
602 le16_to_cpus(&eeprom_buff[i]);
604 memcpy(ptr, bytes, eeprom->len);
606 for (i = 0; i < last_word - first_word + 1; i++)
607 cpu_to_le16s(&eeprom_buff[i]);
609 ret_val = e1000_write_nvm(hw, first_word,
610 last_word - first_word + 1, eeprom_buff);
615 /* Update the checksum over the first part of the EEPROM if needed
616 * and flush shadow RAM for applicable controllers
618 if ((first_word <= NVM_CHECKSUM_REG) ||
619 (hw->mac.type == e1000_82583) ||
620 (hw->mac.type == e1000_82574) ||
621 (hw->mac.type == e1000_82573))
622 ret_val = e1000e_update_nvm_checksum(hw);
625 pm_runtime_put_sync(netdev->dev.parent);
630 static void e1000_get_drvinfo(struct net_device *netdev,
631 struct ethtool_drvinfo *drvinfo)
633 struct e1000_adapter *adapter = netdev_priv(netdev);
635 strlcpy(drvinfo->driver, e1000e_driver_name, sizeof(drvinfo->driver));
637 /* EEPROM image version # is reported as firmware version # for
640 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
642 (adapter->eeprom_vers & 0xF000) >> 12,
643 (adapter->eeprom_vers & 0x0FF0) >> 4,
644 (adapter->eeprom_vers & 0x000F));
646 strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
647 sizeof(drvinfo->bus_info));
650 static void e1000_get_ringparam(struct net_device *netdev,
651 struct ethtool_ringparam *ring)
653 struct e1000_adapter *adapter = netdev_priv(netdev);
655 ring->rx_max_pending = E1000_MAX_RXD;
656 ring->tx_max_pending = E1000_MAX_TXD;
657 ring->rx_pending = adapter->rx_ring_count;
658 ring->tx_pending = adapter->tx_ring_count;
661 static int e1000_set_ringparam(struct net_device *netdev,
662 struct ethtool_ringparam *ring)
664 struct e1000_adapter *adapter = netdev_priv(netdev);
665 struct e1000_ring *temp_tx = NULL, *temp_rx = NULL;
666 int err = 0, size = sizeof(struct e1000_ring);
667 bool set_tx = false, set_rx = false;
668 u16 new_rx_count, new_tx_count;
670 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
673 new_rx_count = clamp_t(u32, ring->rx_pending, E1000_MIN_RXD,
675 new_rx_count = ALIGN(new_rx_count, REQ_RX_DESCRIPTOR_MULTIPLE);
677 new_tx_count = clamp_t(u32, ring->tx_pending, E1000_MIN_TXD,
679 new_tx_count = ALIGN(new_tx_count, REQ_TX_DESCRIPTOR_MULTIPLE);
681 if ((new_tx_count == adapter->tx_ring_count) &&
682 (new_rx_count == adapter->rx_ring_count))
686 while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
687 usleep_range(1000, 2000);
689 if (!netif_running(adapter->netdev)) {
690 /* Set counts now and allocate resources during open() */
691 adapter->tx_ring->count = new_tx_count;
692 adapter->rx_ring->count = new_rx_count;
693 adapter->tx_ring_count = new_tx_count;
694 adapter->rx_ring_count = new_rx_count;
698 set_tx = (new_tx_count != adapter->tx_ring_count);
699 set_rx = (new_rx_count != adapter->rx_ring_count);
701 /* Allocate temporary storage for ring updates */
703 temp_tx = vmalloc(size);
710 temp_rx = vmalloc(size);
717 pm_runtime_get_sync(netdev->dev.parent);
719 e1000e_down(adapter, true);
721 /* We can't just free everything and then setup again, because the
722 * ISRs in MSI-X mode get passed pointers to the Tx and Rx ring
723 * structs. First, attempt to allocate new resources...
726 memcpy(temp_tx, adapter->tx_ring, size);
727 temp_tx->count = new_tx_count;
728 err = e1000e_setup_tx_resources(temp_tx);
733 memcpy(temp_rx, adapter->rx_ring, size);
734 temp_rx->count = new_rx_count;
735 err = e1000e_setup_rx_resources(temp_rx);
740 /* ...then free the old resources and copy back any new ring data */
742 e1000e_free_tx_resources(adapter->tx_ring);
743 memcpy(adapter->tx_ring, temp_tx, size);
744 adapter->tx_ring_count = new_tx_count;
747 e1000e_free_rx_resources(adapter->rx_ring);
748 memcpy(adapter->rx_ring, temp_rx, size);
749 adapter->rx_ring_count = new_rx_count;
754 e1000e_free_tx_resources(temp_tx);
757 pm_runtime_put_sync(netdev->dev.parent);
762 clear_bit(__E1000_RESETTING, &adapter->state);
766 static bool reg_pattern_test(struct e1000_adapter *adapter, u64 *data,
767 int reg, int offset, u32 mask, u32 write)
770 static const u32 test[] = {
771 0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF
773 for (pat = 0; pat < ARRAY_SIZE(test); pat++) {
774 E1000_WRITE_REG_ARRAY(&adapter->hw, reg, offset,
775 (test[pat] & write));
776 val = E1000_READ_REG_ARRAY(&adapter->hw, reg, offset);
777 if (val != (test[pat] & write & mask)) {
778 e_err("pattern test failed (reg 0x%05X): got 0x%08X expected 0x%08X\n",
779 reg + (offset << 2), val,
780 (test[pat] & write & mask));
788 static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data,
789 int reg, u32 mask, u32 write)
793 __ew32(&adapter->hw, reg, write & mask);
794 val = __er32(&adapter->hw, reg);
795 if ((write & mask) != (val & mask)) {
796 e_err("set/check test failed (reg 0x%05X): got 0x%08X expected 0x%08X\n",
797 reg, (val & mask), (write & mask));
804 #define REG_PATTERN_TEST_ARRAY(reg, offset, mask, write) \
806 if (reg_pattern_test(adapter, data, reg, offset, mask, write)) \
809 #define REG_PATTERN_TEST(reg, mask, write) \
810 REG_PATTERN_TEST_ARRAY(reg, 0, mask, write)
812 #define REG_SET_AND_CHECK(reg, mask, write) \
814 if (reg_set_and_check(adapter, data, reg, mask, write)) \
818 static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data)
820 struct e1000_hw *hw = &adapter->hw;
821 struct e1000_mac_info *mac = &adapter->hw.mac;
830 /* The status register is Read Only, so a write should fail.
831 * Some bits that get toggled are ignored. There are several bits
832 * on newer hardware that are r/w.
837 case e1000_80003es2lan:
845 before = er32(STATUS);
846 value = (er32(STATUS) & toggle);
847 ew32(STATUS, toggle);
848 after = er32(STATUS) & toggle;
849 if (value != after) {
850 e_err("failed STATUS register test got: 0x%08X expected: 0x%08X\n",
855 /* restore previous status */
856 ew32(STATUS, before);
858 if (!(adapter->flags & FLAG_IS_ICH)) {
859 REG_PATTERN_TEST(E1000_FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
860 REG_PATTERN_TEST(E1000_FCAH, 0x0000FFFF, 0xFFFFFFFF);
861 REG_PATTERN_TEST(E1000_FCT, 0x0000FFFF, 0xFFFFFFFF);
862 REG_PATTERN_TEST(E1000_VET, 0x0000FFFF, 0xFFFFFFFF);
865 REG_PATTERN_TEST(E1000_RDTR, 0x0000FFFF, 0xFFFFFFFF);
866 REG_PATTERN_TEST(E1000_RDBAH(0), 0xFFFFFFFF, 0xFFFFFFFF);
867 REG_PATTERN_TEST(E1000_RDLEN(0), 0x000FFF80, 0x000FFFFF);
868 REG_PATTERN_TEST(E1000_RDH(0), 0x0000FFFF, 0x0000FFFF);
869 REG_PATTERN_TEST(E1000_RDT(0), 0x0000FFFF, 0x0000FFFF);
870 REG_PATTERN_TEST(E1000_FCRTH, 0x0000FFF8, 0x0000FFF8);
871 REG_PATTERN_TEST(E1000_FCTTV, 0x0000FFFF, 0x0000FFFF);
872 REG_PATTERN_TEST(E1000_TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
873 REG_PATTERN_TEST(E1000_TDBAH(0), 0xFFFFFFFF, 0xFFFFFFFF);
874 REG_PATTERN_TEST(E1000_TDLEN(0), 0x000FFF80, 0x000FFFFF);
876 REG_SET_AND_CHECK(E1000_RCTL, 0xFFFFFFFF, 0x00000000);
878 before = ((adapter->flags & FLAG_IS_ICH) ? 0x06C3B33E : 0x06DFB3FE);
879 REG_SET_AND_CHECK(E1000_RCTL, before, 0x003FFFFB);
880 REG_SET_AND_CHECK(E1000_TCTL, 0xFFFFFFFF, 0x00000000);
882 REG_SET_AND_CHECK(E1000_RCTL, before, 0xFFFFFFFF);
883 REG_PATTERN_TEST(E1000_RDBAL(0), 0xFFFFFFF0, 0xFFFFFFFF);
884 if (!(adapter->flags & FLAG_IS_ICH))
885 REG_PATTERN_TEST(E1000_TXCW, 0xC000FFFF, 0x0000FFFF);
886 REG_PATTERN_TEST(E1000_TDBAL(0), 0xFFFFFFF0, 0xFFFFFFFF);
887 REG_PATTERN_TEST(E1000_TIDV, 0x0000FFFF, 0x0000FFFF);
905 if (mac->type >= e1000_pch_lpt)
906 wlock_mac = (er32(FWSM) & E1000_FWSM_WLOCK_MAC_MASK) >>
907 E1000_FWSM_WLOCK_MAC_SHIFT;
909 for (i = 0; i < mac->rar_entry_count; i++) {
910 if (mac->type >= e1000_pch_lpt) {
911 /* Cannot test write-protected SHRAL[n] registers */
912 if ((wlock_mac == 1) || (wlock_mac && (i > wlock_mac)))
915 /* SHRAH[9] different than the others */
921 if (mac->type == e1000_pch2lan) {
922 /* SHRAH[0,1,2] different than previous */
925 /* SHRAH[3] different than SHRAH[0,1,2] */
928 /* RAR[1-6] owned by management engine - skipping */
933 REG_PATTERN_TEST_ARRAY(E1000_RA, ((i << 1) + 1), mask,
935 /* reset index to actual value */
936 if ((mac->type == e1000_pch2lan) && (i > 6))
940 for (i = 0; i < mac->mta_reg_count; i++)
941 REG_PATTERN_TEST_ARRAY(E1000_MTA, i, 0xFFFFFFFF, 0xFFFFFFFF);
948 static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data)
955 /* Read and add up the contents of the EEPROM */
956 for (i = 0; i < (NVM_CHECKSUM_REG + 1); i++) {
957 if ((e1000_read_nvm(&adapter->hw, i, 1, &temp)) < 0) {
964 /* If Checksum is not Correct return error else test passed */
965 if ((checksum != (u16)NVM_SUM) && !(*data))
971 static irqreturn_t e1000_test_intr(int __always_unused irq, void *data)
973 struct net_device *netdev = (struct net_device *)data;
974 struct e1000_adapter *adapter = netdev_priv(netdev);
975 struct e1000_hw *hw = &adapter->hw;
977 adapter->test_icr |= er32(ICR);
982 static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data)
984 struct net_device *netdev = adapter->netdev;
985 struct e1000_hw *hw = &adapter->hw;
988 u32 irq = adapter->pdev->irq;
991 int int_mode = E1000E_INT_MODE_LEGACY;
995 /* NOTE: we don't test MSI/MSI-X interrupts here, yet */
996 if (adapter->int_mode == E1000E_INT_MODE_MSIX) {
997 int_mode = adapter->int_mode;
998 e1000e_reset_interrupt_capability(adapter);
999 adapter->int_mode = E1000E_INT_MODE_LEGACY;
1000 e1000e_set_interrupt_capability(adapter);
1002 /* Hook up test interrupt handler just for this test */
1003 if (!request_irq(irq, e1000_test_intr, IRQF_PROBE_SHARED, netdev->name,
1006 } else if (request_irq(irq, e1000_test_intr, IRQF_SHARED, netdev->name,
1012 e_info("testing %s interrupt\n", (shared_int ? "shared" : "unshared"));
1014 /* Disable all the interrupts */
1015 ew32(IMC, 0xFFFFFFFF);
1017 usleep_range(10000, 11000);
1019 /* Test each interrupt */
1020 for (i = 0; i < 10; i++) {
1021 /* Interrupt to test */
1024 if (adapter->flags & FLAG_IS_ICH) {
1026 case E1000_ICR_RXSEQ:
1029 if (adapter->hw.mac.type == e1000_ich8lan ||
1030 adapter->hw.mac.type == e1000_ich9lan)
1039 /* Disable the interrupt to be reported in
1040 * the cause register and then force the same
1041 * interrupt and see if one gets posted. If
1042 * an interrupt was posted to the bus, the
1045 adapter->test_icr = 0;
1049 usleep_range(10000, 11000);
1051 if (adapter->test_icr & mask) {
1057 /* Enable the interrupt to be reported in
1058 * the cause register and then force the same
1059 * interrupt and see if one gets posted. If
1060 * an interrupt was not posted to the bus, the
1063 adapter->test_icr = 0;
1067 usleep_range(10000, 11000);
1069 if (!(adapter->test_icr & mask)) {
1075 /* Disable the other interrupts to be reported in
1076 * the cause register and then force the other
1077 * interrupts and see if any get posted. If
1078 * an interrupt was posted to the bus, the
1081 adapter->test_icr = 0;
1082 ew32(IMC, ~mask & 0x00007FFF);
1083 ew32(ICS, ~mask & 0x00007FFF);
1085 usleep_range(10000, 11000);
1087 if (adapter->test_icr) {
1094 /* Disable all the interrupts */
1095 ew32(IMC, 0xFFFFFFFF);
1097 usleep_range(10000, 11000);
1099 /* Unhook test interrupt handler */
1100 free_irq(irq, netdev);
1103 if (int_mode == E1000E_INT_MODE_MSIX) {
1104 e1000e_reset_interrupt_capability(adapter);
1105 adapter->int_mode = int_mode;
1106 e1000e_set_interrupt_capability(adapter);
1112 static void e1000_free_desc_rings(struct e1000_adapter *adapter)
1114 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1115 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1116 struct pci_dev *pdev = adapter->pdev;
1117 struct e1000_buffer *buffer_info;
1120 if (tx_ring->desc && tx_ring->buffer_info) {
1121 for (i = 0; i < tx_ring->count; i++) {
1122 buffer_info = &tx_ring->buffer_info[i];
1124 if (buffer_info->dma)
1125 dma_unmap_single(&pdev->dev,
1127 buffer_info->length,
1129 dev_kfree_skb(buffer_info->skb);
1133 if (rx_ring->desc && rx_ring->buffer_info) {
1134 for (i = 0; i < rx_ring->count; i++) {
1135 buffer_info = &rx_ring->buffer_info[i];
1137 if (buffer_info->dma)
1138 dma_unmap_single(&pdev->dev,
1140 2048, DMA_FROM_DEVICE);
1141 dev_kfree_skb(buffer_info->skb);
1145 if (tx_ring->desc) {
1146 dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc,
1148 tx_ring->desc = NULL;
1150 if (rx_ring->desc) {
1151 dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc,
1153 rx_ring->desc = NULL;
1156 kfree(tx_ring->buffer_info);
1157 tx_ring->buffer_info = NULL;
1158 kfree(rx_ring->buffer_info);
1159 rx_ring->buffer_info = NULL;
1162 static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
1164 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1165 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1166 struct pci_dev *pdev = adapter->pdev;
1167 struct e1000_hw *hw = &adapter->hw;
1172 /* Setup Tx descriptor ring and Tx buffers */
1174 if (!tx_ring->count)
1175 tx_ring->count = E1000_DEFAULT_TXD;
1177 tx_ring->buffer_info = kcalloc(tx_ring->count,
1178 sizeof(struct e1000_buffer), GFP_KERNEL);
1179 if (!tx_ring->buffer_info) {
1184 tx_ring->size = tx_ring->count * sizeof(struct e1000_tx_desc);
1185 tx_ring->size = ALIGN(tx_ring->size, 4096);
1186 tx_ring->desc = dma_alloc_coherent(&pdev->dev, tx_ring->size,
1187 &tx_ring->dma, GFP_KERNEL);
1188 if (!tx_ring->desc) {
1192 tx_ring->next_to_use = 0;
1193 tx_ring->next_to_clean = 0;
1195 ew32(TDBAL(0), ((u64)tx_ring->dma & 0x00000000FFFFFFFF));
1196 ew32(TDBAH(0), ((u64)tx_ring->dma >> 32));
1197 ew32(TDLEN(0), tx_ring->count * sizeof(struct e1000_tx_desc));
1200 ew32(TCTL, E1000_TCTL_PSP | E1000_TCTL_EN | E1000_TCTL_MULR |
1201 E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
1202 E1000_COLLISION_DISTANCE << E1000_COLD_SHIFT);
1204 for (i = 0; i < tx_ring->count; i++) {
1205 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*tx_ring, i);
1206 struct sk_buff *skb;
1207 unsigned int skb_size = 1024;
1209 skb = alloc_skb(skb_size, GFP_KERNEL);
1214 skb_put(skb, skb_size);
1215 tx_ring->buffer_info[i].skb = skb;
1216 tx_ring->buffer_info[i].length = skb->len;
1217 tx_ring->buffer_info[i].dma =
1218 dma_map_single(&pdev->dev, skb->data, skb->len,
1220 if (dma_mapping_error(&pdev->dev,
1221 tx_ring->buffer_info[i].dma)) {
1225 tx_desc->buffer_addr = cpu_to_le64(tx_ring->buffer_info[i].dma);
1226 tx_desc->lower.data = cpu_to_le32(skb->len);
1227 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
1228 E1000_TXD_CMD_IFCS |
1230 tx_desc->upper.data = 0;
1233 /* Setup Rx descriptor ring and Rx buffers */
1235 if (!rx_ring->count)
1236 rx_ring->count = E1000_DEFAULT_RXD;
1238 rx_ring->buffer_info = kcalloc(rx_ring->count,
1239 sizeof(struct e1000_buffer), GFP_KERNEL);
1240 if (!rx_ring->buffer_info) {
1245 rx_ring->size = rx_ring->count * sizeof(union e1000_rx_desc_extended);
1246 rx_ring->desc = dma_alloc_coherent(&pdev->dev, rx_ring->size,
1247 &rx_ring->dma, GFP_KERNEL);
1248 if (!rx_ring->desc) {
1252 rx_ring->next_to_use = 0;
1253 rx_ring->next_to_clean = 0;
1256 if (!(adapter->flags2 & FLAG2_NO_DISABLE_RX))
1257 ew32(RCTL, rctl & ~E1000_RCTL_EN);
1258 ew32(RDBAL(0), ((u64)rx_ring->dma & 0xFFFFFFFF));
1259 ew32(RDBAH(0), ((u64)rx_ring->dma >> 32));
1260 ew32(RDLEN(0), rx_ring->size);
1263 rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
1264 E1000_RCTL_UPE | E1000_RCTL_MPE | E1000_RCTL_LPE |
1265 E1000_RCTL_SBP | E1000_RCTL_SECRC |
1266 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
1267 (adapter->hw.mac.mc_filter_type << E1000_RCTL_MO_SHIFT);
1270 for (i = 0; i < rx_ring->count; i++) {
1271 union e1000_rx_desc_extended *rx_desc;
1272 struct sk_buff *skb;
1274 skb = alloc_skb(2048 + NET_IP_ALIGN, GFP_KERNEL);
1279 skb_reserve(skb, NET_IP_ALIGN);
1280 rx_ring->buffer_info[i].skb = skb;
1281 rx_ring->buffer_info[i].dma =
1282 dma_map_single(&pdev->dev, skb->data, 2048,
1284 if (dma_mapping_error(&pdev->dev,
1285 rx_ring->buffer_info[i].dma)) {
1289 rx_desc = E1000_RX_DESC_EXT(*rx_ring, i);
1290 rx_desc->read.buffer_addr =
1291 cpu_to_le64(rx_ring->buffer_info[i].dma);
1292 memset(skb->data, 0x00, skb->len);
1298 e1000_free_desc_rings(adapter);
1302 static void e1000_phy_disable_receiver(struct e1000_adapter *adapter)
1304 /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1305 e1e_wphy(&adapter->hw, 29, 0x001F);
1306 e1e_wphy(&adapter->hw, 30, 0x8FFC);
1307 e1e_wphy(&adapter->hw, 29, 0x001A);
1308 e1e_wphy(&adapter->hw, 30, 0x8FF0);
1311 static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
1313 struct e1000_hw *hw = &adapter->hw;
1318 hw->mac.autoneg = 0;
1320 if (hw->phy.type == e1000_phy_ife) {
1321 /* force 100, set loopback */
1322 e1e_wphy(hw, MII_BMCR, 0x6100);
1324 /* Now set up the MAC to the same speed/duplex as the PHY. */
1325 ctrl_reg = er32(CTRL);
1326 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1327 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1328 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1329 E1000_CTRL_SPD_100 |/* Force Speed to 100 */
1330 E1000_CTRL_FD); /* Force Duplex to FULL */
1332 ew32(CTRL, ctrl_reg);
1334 usleep_range(500, 1000);
1339 /* Specific PHY configuration for loopback */
1340 switch (hw->phy.type) {
1342 /* Auto-MDI/MDIX Off */
1343 e1e_wphy(hw, M88E1000_PHY_SPEC_CTRL, 0x0808);
1344 /* reset to update Auto-MDI/MDIX */
1345 e1e_wphy(hw, MII_BMCR, 0x9140);
1347 e1e_wphy(hw, MII_BMCR, 0x8140);
1349 case e1000_phy_gg82563:
1350 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x1CC);
1353 /* Set Default MAC Interface speed to 1GB */
1354 e1e_rphy(hw, PHY_REG(2, 21), &phy_reg);
1357 e1e_wphy(hw, PHY_REG(2, 21), phy_reg);
1358 /* Assert SW reset for above settings to take effect */
1359 hw->phy.ops.commit(hw);
1360 usleep_range(1000, 2000);
1361 /* Force Full Duplex */
1362 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg);
1363 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x000C);
1364 /* Set Link Up (in force link) */
1365 e1e_rphy(hw, PHY_REG(776, 16), &phy_reg);
1366 e1e_wphy(hw, PHY_REG(776, 16), phy_reg | 0x0040);
1368 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg);
1369 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x0040);
1370 /* Set Early Link Enable */
1371 e1e_rphy(hw, PHY_REG(769, 20), &phy_reg);
1372 e1e_wphy(hw, PHY_REG(769, 20), phy_reg | 0x0400);
1374 case e1000_phy_82577:
1375 case e1000_phy_82578:
1376 /* Workaround: K1 must be disabled for stable 1Gbps operation */
1377 ret_val = hw->phy.ops.acquire(hw);
1379 e_err("Cannot setup 1Gbps loopback.\n");
1382 e1000_configure_k1_ich8lan(hw, false);
1383 hw->phy.ops.release(hw);
1385 case e1000_phy_82579:
1386 /* Disable PHY energy detect power down */
1387 e1e_rphy(hw, PHY_REG(0, 21), &phy_reg);
1388 e1e_wphy(hw, PHY_REG(0, 21), phy_reg & ~BIT(3));
1389 /* Disable full chip energy detect */
1390 e1e_rphy(hw, PHY_REG(776, 18), &phy_reg);
1391 e1e_wphy(hw, PHY_REG(776, 18), phy_reg | 1);
1392 /* Enable loopback on the PHY */
1393 e1e_wphy(hw, I82577_PHY_LBK_CTRL, 0x8001);
1399 /* force 1000, set loopback */
1400 e1e_wphy(hw, MII_BMCR, 0x4140);
1403 /* Now set up the MAC to the same speed/duplex as the PHY. */
1404 ctrl_reg = er32(CTRL);
1405 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1406 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1407 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1408 E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
1409 E1000_CTRL_FD); /* Force Duplex to FULL */
1411 if (adapter->flags & FLAG_IS_ICH)
1412 ctrl_reg |= E1000_CTRL_SLU; /* Set Link Up */
1414 if (hw->phy.media_type == e1000_media_type_copper &&
1415 hw->phy.type == e1000_phy_m88) {
1416 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
1418 /* Set the ILOS bit on the fiber Nic if half duplex link is
1421 if ((er32(STATUS) & E1000_STATUS_FD) == 0)
1422 ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
1425 ew32(CTRL, ctrl_reg);
1427 /* Disable the receiver on the PHY so when a cable is plugged in, the
1428 * PHY does not begin to autoneg when a cable is reconnected to the NIC.
1430 if (hw->phy.type == e1000_phy_m88)
1431 e1000_phy_disable_receiver(adapter);
1433 usleep_range(500, 1000);
1438 static int e1000_set_82571_fiber_loopback(struct e1000_adapter *adapter)
1440 struct e1000_hw *hw = &adapter->hw;
1441 u32 ctrl = er32(CTRL);
1444 /* special requirements for 82571/82572 fiber adapters */
1446 /* jump through hoops to make sure link is up because serdes
1447 * link is hardwired up
1449 ctrl |= E1000_CTRL_SLU;
1452 /* disable autoneg */
1457 link = (er32(STATUS) & E1000_STATUS_LU);
1460 /* set invert loss of signal */
1462 ctrl |= E1000_CTRL_ILOS;
1466 /* special write to serdes control register to enable SerDes analog
1469 ew32(SCTL, E1000_SCTL_ENABLE_SERDES_LOOPBACK);
1471 usleep_range(10000, 11000);
1476 /* only call this for fiber/serdes connections to es2lan */
1477 static int e1000_set_es2lan_mac_loopback(struct e1000_adapter *adapter)
1479 struct e1000_hw *hw = &adapter->hw;
1480 u32 ctrlext = er32(CTRL_EXT);
1481 u32 ctrl = er32(CTRL);
1483 /* save CTRL_EXT to restore later, reuse an empty variable (unused
1484 * on mac_type 80003es2lan)
1486 adapter->tx_fifo_head = ctrlext;
1488 /* clear the serdes mode bits, putting the device into mac loopback */
1489 ctrlext &= ~E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES;
1490 ew32(CTRL_EXT, ctrlext);
1492 /* force speed to 1000/FD, link up */
1493 ctrl &= ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100);
1494 ctrl |= (E1000_CTRL_SLU | E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX |
1495 E1000_CTRL_SPD_1000 | E1000_CTRL_FD);
1498 /* set mac loopback */
1500 ctrl |= E1000_RCTL_LBM_MAC;
1503 /* set testing mode parameters (no need to reset later) */
1504 #define KMRNCTRLSTA_OPMODE (0x1F << 16)
1505 #define KMRNCTRLSTA_OPMODE_1GB_FD_GMII 0x0582
1507 (KMRNCTRLSTA_OPMODE | KMRNCTRLSTA_OPMODE_1GB_FD_GMII));
1512 static int e1000_setup_loopback_test(struct e1000_adapter *adapter)
1514 struct e1000_hw *hw = &adapter->hw;
1515 u32 rctl, fext_nvm11, tarc0;
1517 if (hw->mac.type >= e1000_pch_spt) {
1518 fext_nvm11 = er32(FEXTNVM11);
1519 fext_nvm11 |= E1000_FEXTNVM11_DISABLE_MULR_FIX;
1520 ew32(FEXTNVM11, fext_nvm11);
1521 tarc0 = er32(TARC(0));
1522 /* clear bits 28 & 29 (control of MULR concurrent requests) */
1523 tarc0 &= 0xcfffffff;
1524 /* set bit 29 (value of MULR requests is now 2) */
1525 tarc0 |= 0x20000000;
1526 ew32(TARC(0), tarc0);
1528 if (hw->phy.media_type == e1000_media_type_fiber ||
1529 hw->phy.media_type == e1000_media_type_internal_serdes) {
1530 switch (hw->mac.type) {
1531 case e1000_80003es2lan:
1532 return e1000_set_es2lan_mac_loopback(adapter);
1535 return e1000_set_82571_fiber_loopback(adapter);
1538 rctl |= E1000_RCTL_LBM_TCVR;
1542 } else if (hw->phy.media_type == e1000_media_type_copper) {
1543 return e1000_integrated_phy_loopback(adapter);
1549 static void e1000_loopback_cleanup(struct e1000_adapter *adapter)
1551 struct e1000_hw *hw = &adapter->hw;
1552 u32 rctl, fext_nvm11, tarc0;
1556 rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
1559 switch (hw->mac.type) {
1565 fext_nvm11 = er32(FEXTNVM11);
1566 fext_nvm11 &= ~E1000_FEXTNVM11_DISABLE_MULR_FIX;
1567 ew32(FEXTNVM11, fext_nvm11);
1568 tarc0 = er32(TARC(0));
1569 /* clear bits 28 & 29 (control of MULR concurrent requests) */
1570 /* set bit 29 (value of MULR requests is now 0) */
1571 tarc0 &= 0xcfffffff;
1572 ew32(TARC(0), tarc0);
1574 case e1000_80003es2lan:
1575 if (hw->phy.media_type == e1000_media_type_fiber ||
1576 hw->phy.media_type == e1000_media_type_internal_serdes) {
1577 /* restore CTRL_EXT, stealing space from tx_fifo_head */
1578 ew32(CTRL_EXT, adapter->tx_fifo_head);
1579 adapter->tx_fifo_head = 0;
1584 if (hw->phy.media_type == e1000_media_type_fiber ||
1585 hw->phy.media_type == e1000_media_type_internal_serdes) {
1586 ew32(SCTL, E1000_SCTL_DISABLE_SERDES_LOOPBACK);
1588 usleep_range(10000, 11000);
1593 hw->mac.autoneg = 1;
1594 if (hw->phy.type == e1000_phy_gg82563)
1595 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x180);
1596 e1e_rphy(hw, MII_BMCR, &phy_reg);
1597 if (phy_reg & BMCR_LOOPBACK) {
1598 phy_reg &= ~BMCR_LOOPBACK;
1599 e1e_wphy(hw, MII_BMCR, phy_reg);
1600 if (hw->phy.ops.commit)
1601 hw->phy.ops.commit(hw);
1607 static void e1000_create_lbtest_frame(struct sk_buff *skb,
1608 unsigned int frame_size)
1610 memset(skb->data, 0xFF, frame_size);
1612 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1613 skb->data[frame_size / 2 + 10] = 0xBE;
1614 skb->data[frame_size / 2 + 12] = 0xAF;
1617 static int e1000_check_lbtest_frame(struct sk_buff *skb,
1618 unsigned int frame_size)
1621 if (*(skb->data + 3) == 0xFF)
1622 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
1623 (*(skb->data + frame_size / 2 + 12) == 0xAF))
1628 static int e1000_run_loopback_test(struct e1000_adapter *adapter)
1630 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1631 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1632 struct pci_dev *pdev = adapter->pdev;
1633 struct e1000_hw *hw = &adapter->hw;
1634 struct e1000_buffer *buffer_info;
1641 ew32(RDT(0), rx_ring->count - 1);
1643 /* Calculate the loop count based on the largest descriptor ring
1644 * The idea is to wrap the largest ring a number of times using 64
1645 * send/receive pairs during each loop
1648 if (rx_ring->count <= tx_ring->count)
1649 lc = ((tx_ring->count / 64) * 2) + 1;
1651 lc = ((rx_ring->count / 64) * 2) + 1;
1655 /* loop count loop */
1656 for (j = 0; j <= lc; j++) {
1657 /* send the packets */
1658 for (i = 0; i < 64; i++) {
1659 buffer_info = &tx_ring->buffer_info[k];
1661 e1000_create_lbtest_frame(buffer_info->skb, 1024);
1662 dma_sync_single_for_device(&pdev->dev,
1664 buffer_info->length,
1667 if (k == tx_ring->count)
1673 time = jiffies; /* set the start time for the receive */
1675 /* receive the sent packets */
1677 buffer_info = &rx_ring->buffer_info[l];
1679 dma_sync_single_for_cpu(&pdev->dev,
1680 buffer_info->dma, 2048,
1683 ret_val = e1000_check_lbtest_frame(buffer_info->skb,
1688 if (l == rx_ring->count)
1690 /* time + 20 msecs (200 msecs on 2.4) is more than
1691 * enough time to complete the receives, if it's
1692 * exceeded, break and error off
1694 } while ((good_cnt < 64) && !time_after(jiffies, time + 20));
1695 if (good_cnt != 64) {
1696 ret_val = 13; /* ret_val is the same as mis-compare */
1699 if (time_after(jiffies, time + 20)) {
1700 ret_val = 14; /* error code for time out error */
1707 static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data)
1709 struct e1000_hw *hw = &adapter->hw;
1711 /* PHY loopback cannot be performed if SoL/IDER sessions are active */
1712 if (hw->phy.ops.check_reset_block &&
1713 hw->phy.ops.check_reset_block(hw)) {
1714 e_err("Cannot do PHY loopback test when SoL/IDER is active.\n");
1719 *data = e1000_setup_desc_rings(adapter);
1723 *data = e1000_setup_loopback_test(adapter);
1727 *data = e1000_run_loopback_test(adapter);
1728 e1000_loopback_cleanup(adapter);
1731 e1000_free_desc_rings(adapter);
1736 static int e1000_link_test(struct e1000_adapter *adapter, u64 *data)
1738 struct e1000_hw *hw = &adapter->hw;
1741 if (hw->phy.media_type == e1000_media_type_internal_serdes) {
1744 hw->mac.serdes_has_link = false;
1746 /* On some blade server designs, link establishment
1747 * could take as long as 2-3 minutes
1750 hw->mac.ops.check_for_link(hw);
1751 if (hw->mac.serdes_has_link)
1754 } while (i++ < 3750);
1758 hw->mac.ops.check_for_link(hw);
1759 if (hw->mac.autoneg)
1760 /* On some Phy/switch combinations, link establishment
1761 * can take a few seconds more than expected.
1763 msleep_interruptible(5000);
1765 if (!(er32(STATUS) & E1000_STATUS_LU))
1771 static int e1000e_get_sset_count(struct net_device __always_unused *netdev,
1776 return E1000_TEST_LEN;
1778 return E1000_STATS_LEN;
1784 static void e1000_diag_test(struct net_device *netdev,
1785 struct ethtool_test *eth_test, u64 *data)
1787 struct e1000_adapter *adapter = netdev_priv(netdev);
1788 u16 autoneg_advertised;
1789 u8 forced_speed_duplex;
1791 bool if_running = netif_running(netdev);
1793 pm_runtime_get_sync(netdev->dev.parent);
1795 set_bit(__E1000_TESTING, &adapter->state);
1798 /* Get control of and reset hardware */
1799 if (adapter->flags & FLAG_HAS_AMT)
1800 e1000e_get_hw_control(adapter);
1802 e1000e_power_up_phy(adapter);
1804 adapter->hw.phy.autoneg_wait_to_complete = 1;
1805 e1000e_reset(adapter);
1806 adapter->hw.phy.autoneg_wait_to_complete = 0;
1809 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1812 /* save speed, duplex, autoneg settings */
1813 autoneg_advertised = adapter->hw.phy.autoneg_advertised;
1814 forced_speed_duplex = adapter->hw.mac.forced_speed_duplex;
1815 autoneg = adapter->hw.mac.autoneg;
1817 e_info("offline testing starting\n");
1820 /* indicate we're in test mode */
1821 e1000e_close(netdev);
1823 if (e1000_reg_test(adapter, &data[0]))
1824 eth_test->flags |= ETH_TEST_FL_FAILED;
1826 e1000e_reset(adapter);
1827 if (e1000_eeprom_test(adapter, &data[1]))
1828 eth_test->flags |= ETH_TEST_FL_FAILED;
1830 e1000e_reset(adapter);
1831 if (e1000_intr_test(adapter, &data[2]))
1832 eth_test->flags |= ETH_TEST_FL_FAILED;
1834 e1000e_reset(adapter);
1835 if (e1000_loopback_test(adapter, &data[3]))
1836 eth_test->flags |= ETH_TEST_FL_FAILED;
1838 /* force this routine to wait until autoneg complete/timeout */
1839 adapter->hw.phy.autoneg_wait_to_complete = 1;
1840 e1000e_reset(adapter);
1841 adapter->hw.phy.autoneg_wait_to_complete = 0;
1843 if (e1000_link_test(adapter, &data[4]))
1844 eth_test->flags |= ETH_TEST_FL_FAILED;
1846 /* restore speed, duplex, autoneg settings */
1847 adapter->hw.phy.autoneg_advertised = autoneg_advertised;
1848 adapter->hw.mac.forced_speed_duplex = forced_speed_duplex;
1849 adapter->hw.mac.autoneg = autoneg;
1850 e1000e_reset(adapter);
1852 clear_bit(__E1000_TESTING, &adapter->state);
1854 e1000e_open(netdev);
1858 e_info("online testing starting\n");
1860 /* register, eeprom, intr and loopback tests not run online */
1866 if (e1000_link_test(adapter, &data[4]))
1867 eth_test->flags |= ETH_TEST_FL_FAILED;
1869 clear_bit(__E1000_TESTING, &adapter->state);
1873 e1000e_reset(adapter);
1875 if (adapter->flags & FLAG_HAS_AMT)
1876 e1000e_release_hw_control(adapter);
1879 msleep_interruptible(4 * 1000);
1881 pm_runtime_put_sync(netdev->dev.parent);
1884 static void e1000_get_wol(struct net_device *netdev,
1885 struct ethtool_wolinfo *wol)
1887 struct e1000_adapter *adapter = netdev_priv(netdev);
1892 if (!(adapter->flags & FLAG_HAS_WOL) ||
1893 !device_can_wakeup(&adapter->pdev->dev))
1896 wol->supported = WAKE_UCAST | WAKE_MCAST |
1897 WAKE_BCAST | WAKE_MAGIC | WAKE_PHY;
1899 /* apply any specific unsupported masks here */
1900 if (adapter->flags & FLAG_NO_WAKE_UCAST) {
1901 wol->supported &= ~WAKE_UCAST;
1903 if (adapter->wol & E1000_WUFC_EX)
1904 e_err("Interface does not support directed (unicast) frame wake-up packets\n");
1907 if (adapter->wol & E1000_WUFC_EX)
1908 wol->wolopts |= WAKE_UCAST;
1909 if (adapter->wol & E1000_WUFC_MC)
1910 wol->wolopts |= WAKE_MCAST;
1911 if (adapter->wol & E1000_WUFC_BC)
1912 wol->wolopts |= WAKE_BCAST;
1913 if (adapter->wol & E1000_WUFC_MAG)
1914 wol->wolopts |= WAKE_MAGIC;
1915 if (adapter->wol & E1000_WUFC_LNKC)
1916 wol->wolopts |= WAKE_PHY;
1919 static int e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1921 struct e1000_adapter *adapter = netdev_priv(netdev);
1923 if (!(adapter->flags & FLAG_HAS_WOL) ||
1924 !device_can_wakeup(&adapter->pdev->dev) ||
1925 (wol->wolopts & ~(WAKE_UCAST | WAKE_MCAST | WAKE_BCAST |
1926 WAKE_MAGIC | WAKE_PHY)))
1929 /* these settings will always override what we currently have */
1932 if (wol->wolopts & WAKE_UCAST)
1933 adapter->wol |= E1000_WUFC_EX;
1934 if (wol->wolopts & WAKE_MCAST)
1935 adapter->wol |= E1000_WUFC_MC;
1936 if (wol->wolopts & WAKE_BCAST)
1937 adapter->wol |= E1000_WUFC_BC;
1938 if (wol->wolopts & WAKE_MAGIC)
1939 adapter->wol |= E1000_WUFC_MAG;
1940 if (wol->wolopts & WAKE_PHY)
1941 adapter->wol |= E1000_WUFC_LNKC;
1943 device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
1948 static int e1000_set_phys_id(struct net_device *netdev,
1949 enum ethtool_phys_id_state state)
1951 struct e1000_adapter *adapter = netdev_priv(netdev);
1952 struct e1000_hw *hw = &adapter->hw;
1955 case ETHTOOL_ID_ACTIVE:
1956 pm_runtime_get_sync(netdev->dev.parent);
1958 if (!hw->mac.ops.blink_led)
1959 return 2; /* cycle on/off twice per second */
1961 hw->mac.ops.blink_led(hw);
1964 case ETHTOOL_ID_INACTIVE:
1965 if (hw->phy.type == e1000_phy_ife)
1966 e1e_wphy(hw, IFE_PHY_SPECIAL_CONTROL_LED, 0);
1967 hw->mac.ops.led_off(hw);
1968 hw->mac.ops.cleanup_led(hw);
1969 pm_runtime_put_sync(netdev->dev.parent);
1973 hw->mac.ops.led_on(hw);
1976 case ETHTOOL_ID_OFF:
1977 hw->mac.ops.led_off(hw);
1984 static int e1000_get_coalesce(struct net_device *netdev,
1985 struct ethtool_coalesce *ec)
1987 struct e1000_adapter *adapter = netdev_priv(netdev);
1989 if (adapter->itr_setting <= 4)
1990 ec->rx_coalesce_usecs = adapter->itr_setting;
1992 ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting;
1997 static int e1000_set_coalesce(struct net_device *netdev,
1998 struct ethtool_coalesce *ec)
2000 struct e1000_adapter *adapter = netdev_priv(netdev);
2002 if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) ||
2003 ((ec->rx_coalesce_usecs > 4) &&
2004 (ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) ||
2005 (ec->rx_coalesce_usecs == 2))
2008 if (ec->rx_coalesce_usecs == 4) {
2009 adapter->itr_setting = 4;
2010 adapter->itr = adapter->itr_setting;
2011 } else if (ec->rx_coalesce_usecs <= 3) {
2012 adapter->itr = 20000;
2013 adapter->itr_setting = ec->rx_coalesce_usecs;
2015 adapter->itr = (1000000 / ec->rx_coalesce_usecs);
2016 adapter->itr_setting = adapter->itr & ~3;
2019 pm_runtime_get_sync(netdev->dev.parent);
2021 if (adapter->itr_setting != 0)
2022 e1000e_write_itr(adapter, adapter->itr);
2024 e1000e_write_itr(adapter, 0);
2026 pm_runtime_put_sync(netdev->dev.parent);
2031 static int e1000_nway_reset(struct net_device *netdev)
2033 struct e1000_adapter *adapter = netdev_priv(netdev);
2035 if (!netif_running(netdev))
2038 if (!adapter->hw.mac.autoneg)
2041 pm_runtime_get_sync(netdev->dev.parent);
2042 e1000e_reinit_locked(adapter);
2043 pm_runtime_put_sync(netdev->dev.parent);
2048 static void e1000_get_ethtool_stats(struct net_device *netdev,
2049 struct ethtool_stats __always_unused *stats,
2052 struct e1000_adapter *adapter = netdev_priv(netdev);
2053 struct rtnl_link_stats64 net_stats;
2057 pm_runtime_get_sync(netdev->dev.parent);
2059 dev_get_stats(netdev, &net_stats);
2061 pm_runtime_put_sync(netdev->dev.parent);
2063 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
2064 switch (e1000_gstrings_stats[i].type) {
2066 p = (char *)&net_stats +
2067 e1000_gstrings_stats[i].stat_offset;
2070 p = (char *)adapter +
2071 e1000_gstrings_stats[i].stat_offset;
2078 data[i] = (e1000_gstrings_stats[i].sizeof_stat ==
2079 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
2083 static void e1000_get_strings(struct net_device __always_unused *netdev,
2084 u32 stringset, u8 *data)
2089 switch (stringset) {
2091 memcpy(data, e1000_gstrings_test, sizeof(e1000_gstrings_test));
2094 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
2095 memcpy(p, e1000_gstrings_stats[i].stat_string,
2097 p += ETH_GSTRING_LEN;
2103 static int e1000_get_rxnfc(struct net_device *netdev,
2104 struct ethtool_rxnfc *info,
2105 u32 __always_unused *rule_locs)
2109 switch (info->cmd) {
2110 case ETHTOOL_GRXFH: {
2111 struct e1000_adapter *adapter = netdev_priv(netdev);
2112 struct e1000_hw *hw = &adapter->hw;
2115 pm_runtime_get_sync(netdev->dev.parent);
2117 pm_runtime_put_sync(netdev->dev.parent);
2119 if (!(mrqc & E1000_MRQC_RSS_FIELD_MASK))
2122 switch (info->flow_type) {
2124 if (mrqc & E1000_MRQC_RSS_FIELD_IPV4_TCP)
2125 info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2129 case AH_ESP_V4_FLOW:
2131 if (mrqc & E1000_MRQC_RSS_FIELD_IPV4)
2132 info->data |= RXH_IP_SRC | RXH_IP_DST;
2135 if (mrqc & E1000_MRQC_RSS_FIELD_IPV6_TCP)
2136 info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2140 case AH_ESP_V6_FLOW:
2142 if (mrqc & E1000_MRQC_RSS_FIELD_IPV6)
2143 info->data |= RXH_IP_SRC | RXH_IP_DST;
2155 static int e1000e_get_eee(struct net_device *netdev, struct ethtool_eee *edata)
2157 struct e1000_adapter *adapter = netdev_priv(netdev);
2158 struct e1000_hw *hw = &adapter->hw;
2159 u16 cap_addr, lpa_addr, pcs_stat_addr, phy_data;
2162 if (!(adapter->flags2 & FLAG2_HAS_EEE))
2165 switch (hw->phy.type) {
2166 case e1000_phy_82579:
2167 cap_addr = I82579_EEE_CAPABILITY;
2168 lpa_addr = I82579_EEE_LP_ABILITY;
2169 pcs_stat_addr = I82579_EEE_PCS_STATUS;
2171 case e1000_phy_i217:
2172 cap_addr = I217_EEE_CAPABILITY;
2173 lpa_addr = I217_EEE_LP_ABILITY;
2174 pcs_stat_addr = I217_EEE_PCS_STATUS;
2180 pm_runtime_get_sync(netdev->dev.parent);
2182 ret_val = hw->phy.ops.acquire(hw);
2184 pm_runtime_put_sync(netdev->dev.parent);
2188 /* EEE Capability */
2189 ret_val = e1000_read_emi_reg_locked(hw, cap_addr, &phy_data);
2192 edata->supported = mmd_eee_cap_to_ethtool_sup_t(phy_data);
2194 /* EEE Advertised */
2195 edata->advertised = mmd_eee_adv_to_ethtool_adv_t(adapter->eee_advert);
2197 /* EEE Link Partner Advertised */
2198 ret_val = e1000_read_emi_reg_locked(hw, lpa_addr, &phy_data);
2201 edata->lp_advertised = mmd_eee_adv_to_ethtool_adv_t(phy_data);
2203 /* EEE PCS Status */
2204 ret_val = e1000_read_emi_reg_locked(hw, pcs_stat_addr, &phy_data);
2207 if (hw->phy.type == e1000_phy_82579)
2210 /* Result of the EEE auto negotiation - there is no register that
2211 * has the status of the EEE negotiation so do a best-guess based
2212 * on whether Tx or Rx LPI indications have been received.
2214 if (phy_data & (E1000_EEE_TX_LPI_RCVD | E1000_EEE_RX_LPI_RCVD))
2215 edata->eee_active = true;
2217 edata->eee_enabled = !hw->dev_spec.ich8lan.eee_disable;
2218 edata->tx_lpi_enabled = true;
2219 edata->tx_lpi_timer = er32(LPIC) >> E1000_LPIC_LPIET_SHIFT;
2222 hw->phy.ops.release(hw);
2226 pm_runtime_put_sync(netdev->dev.parent);
2231 static int e1000e_set_eee(struct net_device *netdev, struct ethtool_eee *edata)
2233 struct e1000_adapter *adapter = netdev_priv(netdev);
2234 struct e1000_hw *hw = &adapter->hw;
2235 struct ethtool_eee eee_curr;
2238 ret_val = e1000e_get_eee(netdev, &eee_curr);
2242 if (eee_curr.tx_lpi_enabled != edata->tx_lpi_enabled) {
2243 e_err("Setting EEE tx-lpi is not supported\n");
2247 if (eee_curr.tx_lpi_timer != edata->tx_lpi_timer) {
2248 e_err("Setting EEE Tx LPI timer is not supported\n");
2252 if (edata->advertised & ~(ADVERTISE_100_FULL | ADVERTISE_1000_FULL)) {
2253 e_err("EEE advertisement supports only 100TX and/or 1000T full-duplex\n");
2257 adapter->eee_advert = ethtool_adv_to_mmd_eee_adv_t(edata->advertised);
2259 hw->dev_spec.ich8lan.eee_disable = !edata->eee_enabled;
2261 pm_runtime_get_sync(netdev->dev.parent);
2263 /* reset the link */
2264 if (netif_running(netdev))
2265 e1000e_reinit_locked(adapter);
2267 e1000e_reset(adapter);
2269 pm_runtime_put_sync(netdev->dev.parent);
2274 static int e1000e_get_ts_info(struct net_device *netdev,
2275 struct ethtool_ts_info *info)
2277 struct e1000_adapter *adapter = netdev_priv(netdev);
2279 ethtool_op_get_ts_info(netdev, info);
2281 if (!(adapter->flags & FLAG_HAS_HW_TIMESTAMP))
2284 info->so_timestamping |= (SOF_TIMESTAMPING_TX_HARDWARE |
2285 SOF_TIMESTAMPING_RX_HARDWARE |
2286 SOF_TIMESTAMPING_RAW_HARDWARE);
2288 info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON);
2290 info->rx_filters = (BIT(HWTSTAMP_FILTER_NONE) |
2291 BIT(HWTSTAMP_FILTER_PTP_V1_L4_SYNC) |
2292 BIT(HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) |
2293 BIT(HWTSTAMP_FILTER_PTP_V2_L4_SYNC) |
2294 BIT(HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ) |
2295 BIT(HWTSTAMP_FILTER_PTP_V2_L2_SYNC) |
2296 BIT(HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ) |
2297 BIT(HWTSTAMP_FILTER_PTP_V2_EVENT) |
2298 BIT(HWTSTAMP_FILTER_PTP_V2_SYNC) |
2299 BIT(HWTSTAMP_FILTER_PTP_V2_DELAY_REQ) |
2300 BIT(HWTSTAMP_FILTER_ALL));
2302 if (adapter->ptp_clock)
2303 info->phc_index = ptp_clock_index(adapter->ptp_clock);
2308 static const struct ethtool_ops e1000_ethtool_ops = {
2309 .supported_coalesce_params = ETHTOOL_COALESCE_RX_USECS,
2310 .get_drvinfo = e1000_get_drvinfo,
2311 .get_regs_len = e1000_get_regs_len,
2312 .get_regs = e1000_get_regs,
2313 .get_wol = e1000_get_wol,
2314 .set_wol = e1000_set_wol,
2315 .get_msglevel = e1000_get_msglevel,
2316 .set_msglevel = e1000_set_msglevel,
2317 .nway_reset = e1000_nway_reset,
2318 .get_link = ethtool_op_get_link,
2319 .get_eeprom_len = e1000_get_eeprom_len,
2320 .get_eeprom = e1000_get_eeprom,
2321 .set_eeprom = e1000_set_eeprom,
2322 .get_ringparam = e1000_get_ringparam,
2323 .set_ringparam = e1000_set_ringparam,
2324 .get_pauseparam = e1000_get_pauseparam,
2325 .set_pauseparam = e1000_set_pauseparam,
2326 .self_test = e1000_diag_test,
2327 .get_strings = e1000_get_strings,
2328 .set_phys_id = e1000_set_phys_id,
2329 .get_ethtool_stats = e1000_get_ethtool_stats,
2330 .get_sset_count = e1000e_get_sset_count,
2331 .get_coalesce = e1000_get_coalesce,
2332 .set_coalesce = e1000_set_coalesce,
2333 .get_rxnfc = e1000_get_rxnfc,
2334 .get_ts_info = e1000e_get_ts_info,
2335 .get_eee = e1000e_get_eee,
2336 .set_eee = e1000e_set_eee,
2337 .get_link_ksettings = e1000_get_link_ksettings,
2338 .set_link_ksettings = e1000_set_link_ksettings,
2341 void e1000e_set_ethtool_ops(struct net_device *netdev)
2343 netdev->ethtool_ops = &e1000_ethtool_ops;