1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright(c) 1999 - 2006 Intel Corporation. */
4 /* ethtool support for e1000 */
7 #include <linux/jiffies.h>
8 #include <linux/uaccess.h>
10 enum {NETDEV_STATS, E1000_STATS};
13 char stat_string[ETH_GSTRING_LEN];
19 #define E1000_STAT(m) E1000_STATS, \
20 sizeof(((struct e1000_adapter *)0)->m), \
21 offsetof(struct e1000_adapter, m)
22 #define E1000_NETDEV_STAT(m) NETDEV_STATS, \
23 sizeof(((struct net_device *)0)->m), \
24 offsetof(struct net_device, m)
26 static const struct e1000_stats e1000_gstrings_stats[] = {
27 { "rx_packets", E1000_STAT(stats.gprc) },
28 { "tx_packets", E1000_STAT(stats.gptc) },
29 { "rx_bytes", E1000_STAT(stats.gorcl) },
30 { "tx_bytes", E1000_STAT(stats.gotcl) },
31 { "rx_broadcast", E1000_STAT(stats.bprc) },
32 { "tx_broadcast", E1000_STAT(stats.bptc) },
33 { "rx_multicast", E1000_STAT(stats.mprc) },
34 { "tx_multicast", E1000_STAT(stats.mptc) },
35 { "rx_errors", E1000_STAT(stats.rxerrc) },
36 { "tx_errors", E1000_STAT(stats.txerrc) },
37 { "tx_dropped", E1000_NETDEV_STAT(stats.tx_dropped) },
38 { "multicast", E1000_STAT(stats.mprc) },
39 { "collisions", E1000_STAT(stats.colc) },
40 { "rx_length_errors", E1000_STAT(stats.rlerrc) },
41 { "rx_over_errors", E1000_NETDEV_STAT(stats.rx_over_errors) },
42 { "rx_crc_errors", E1000_STAT(stats.crcerrs) },
43 { "rx_frame_errors", E1000_NETDEV_STAT(stats.rx_frame_errors) },
44 { "rx_no_buffer_count", E1000_STAT(stats.rnbc) },
45 { "rx_missed_errors", E1000_STAT(stats.mpc) },
46 { "tx_aborted_errors", E1000_STAT(stats.ecol) },
47 { "tx_carrier_errors", E1000_STAT(stats.tncrs) },
48 { "tx_fifo_errors", E1000_NETDEV_STAT(stats.tx_fifo_errors) },
49 { "tx_heartbeat_errors", E1000_NETDEV_STAT(stats.tx_heartbeat_errors) },
50 { "tx_window_errors", E1000_STAT(stats.latecol) },
51 { "tx_abort_late_coll", E1000_STAT(stats.latecol) },
52 { "tx_deferred_ok", E1000_STAT(stats.dc) },
53 { "tx_single_coll_ok", E1000_STAT(stats.scc) },
54 { "tx_multi_coll_ok", E1000_STAT(stats.mcc) },
55 { "tx_timeout_count", E1000_STAT(tx_timeout_count) },
56 { "tx_restart_queue", E1000_STAT(restart_queue) },
57 { "rx_long_length_errors", E1000_STAT(stats.roc) },
58 { "rx_short_length_errors", E1000_STAT(stats.ruc) },
59 { "rx_align_errors", E1000_STAT(stats.algnerrc) },
60 { "tx_tcp_seg_good", E1000_STAT(stats.tsctc) },
61 { "tx_tcp_seg_failed", E1000_STAT(stats.tsctfc) },
62 { "rx_flow_control_xon", E1000_STAT(stats.xonrxc) },
63 { "rx_flow_control_xoff", E1000_STAT(stats.xoffrxc) },
64 { "tx_flow_control_xon", E1000_STAT(stats.xontxc) },
65 { "tx_flow_control_xoff", E1000_STAT(stats.xofftxc) },
66 { "rx_long_byte_count", E1000_STAT(stats.gorcl) },
67 { "rx_csum_offload_good", E1000_STAT(hw_csum_good) },
68 { "rx_csum_offload_errors", E1000_STAT(hw_csum_err) },
69 { "alloc_rx_buff_failed", E1000_STAT(alloc_rx_buff_failed) },
70 { "tx_smbus", E1000_STAT(stats.mgptc) },
71 { "rx_smbus", E1000_STAT(stats.mgprc) },
72 { "dropped_smbus", E1000_STAT(stats.mgpdc) },
75 #define E1000_QUEUE_STATS_LEN 0
76 #define E1000_GLOBAL_STATS_LEN ARRAY_SIZE(e1000_gstrings_stats)
77 #define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN + E1000_QUEUE_STATS_LEN)
78 static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = {
79 "Register test (offline)", "Eeprom test (offline)",
80 "Interrupt test (offline)", "Loopback test (offline)",
81 "Link test (on/offline)"
84 #define E1000_TEST_LEN ARRAY_SIZE(e1000_gstrings_test)
86 static int e1000_get_link_ksettings(struct net_device *netdev,
87 struct ethtool_link_ksettings *cmd)
89 struct e1000_adapter *adapter = netdev_priv(netdev);
90 struct e1000_hw *hw = &adapter->hw;
91 u32 supported, advertising;
93 if (hw->media_type == e1000_media_type_copper) {
94 supported = (SUPPORTED_10baseT_Half |
95 SUPPORTED_10baseT_Full |
96 SUPPORTED_100baseT_Half |
97 SUPPORTED_100baseT_Full |
98 SUPPORTED_1000baseT_Full|
101 advertising = ADVERTISED_TP;
103 if (hw->autoneg == 1) {
104 advertising |= ADVERTISED_Autoneg;
105 /* the e1000 autoneg seems to match ethtool nicely */
106 advertising |= hw->autoneg_advertised;
109 cmd->base.port = PORT_TP;
110 cmd->base.phy_address = hw->phy_addr;
112 supported = (SUPPORTED_1000baseT_Full |
116 advertising = (ADVERTISED_1000baseT_Full |
120 cmd->base.port = PORT_FIBRE;
123 if (er32(STATUS) & E1000_STATUS_LU) {
124 e1000_get_speed_and_duplex(hw, &adapter->link_speed,
125 &adapter->link_duplex);
126 cmd->base.speed = adapter->link_speed;
128 /* unfortunately FULL_DUPLEX != DUPLEX_FULL
129 * and HALF_DUPLEX != DUPLEX_HALF
131 if (adapter->link_duplex == FULL_DUPLEX)
132 cmd->base.duplex = DUPLEX_FULL;
134 cmd->base.duplex = DUPLEX_HALF;
136 cmd->base.speed = SPEED_UNKNOWN;
137 cmd->base.duplex = DUPLEX_UNKNOWN;
140 cmd->base.autoneg = ((hw->media_type == e1000_media_type_fiber) ||
141 hw->autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE;
143 /* MDI-X => 1; MDI => 0 */
144 if ((hw->media_type == e1000_media_type_copper) &&
145 netif_carrier_ok(netdev))
146 cmd->base.eth_tp_mdix = (!!adapter->phy_info.mdix_mode ?
147 ETH_TP_MDI_X : ETH_TP_MDI);
149 cmd->base.eth_tp_mdix = ETH_TP_MDI_INVALID;
151 if (hw->mdix == AUTO_ALL_MODES)
152 cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI_AUTO;
154 cmd->base.eth_tp_mdix_ctrl = hw->mdix;
156 ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
158 ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising,
164 static int e1000_set_link_ksettings(struct net_device *netdev,
165 const struct ethtool_link_ksettings *cmd)
167 struct e1000_adapter *adapter = netdev_priv(netdev);
168 struct e1000_hw *hw = &adapter->hw;
171 ethtool_convert_link_mode_to_legacy_u32(&advertising,
172 cmd->link_modes.advertising);
174 /* MDI setting is only allowed when autoneg enabled because
175 * some hardware doesn't allow MDI setting when speed or
178 if (cmd->base.eth_tp_mdix_ctrl) {
179 if (hw->media_type != e1000_media_type_copper)
182 if ((cmd->base.eth_tp_mdix_ctrl != ETH_TP_MDI_AUTO) &&
183 (cmd->base.autoneg != AUTONEG_ENABLE)) {
184 e_err(drv, "forcing MDI/MDI-X state is not supported when link speed and/or duplex are forced\n");
189 while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
192 if (cmd->base.autoneg == AUTONEG_ENABLE) {
194 if (hw->media_type == e1000_media_type_fiber)
195 hw->autoneg_advertised = ADVERTISED_1000baseT_Full |
199 hw->autoneg_advertised = advertising |
203 u32 speed = cmd->base.speed;
204 /* calling this overrides forced MDI setting */
205 if (e1000_set_spd_dplx(adapter, speed, cmd->base.duplex)) {
206 clear_bit(__E1000_RESETTING, &adapter->flags);
211 /* MDI-X => 2; MDI => 1; Auto => 3 */
212 if (cmd->base.eth_tp_mdix_ctrl) {
213 if (cmd->base.eth_tp_mdix_ctrl == ETH_TP_MDI_AUTO)
214 hw->mdix = AUTO_ALL_MODES;
216 hw->mdix = cmd->base.eth_tp_mdix_ctrl;
221 if (netif_running(adapter->netdev)) {
225 e1000_reset(adapter);
227 clear_bit(__E1000_RESETTING, &adapter->flags);
231 static u32 e1000_get_link(struct net_device *netdev)
233 struct e1000_adapter *adapter = netdev_priv(netdev);
235 /* If the link is not reported up to netdev, interrupts are disabled,
236 * and so the physical link state may have changed since we last
237 * looked. Set get_link_status to make sure that the true link
238 * state is interrogated, rather than pulling a cached and possibly
239 * stale link state from the driver.
241 if (!netif_carrier_ok(netdev))
242 adapter->hw.get_link_status = 1;
244 return e1000_has_link(adapter);
247 static void e1000_get_pauseparam(struct net_device *netdev,
248 struct ethtool_pauseparam *pause)
250 struct e1000_adapter *adapter = netdev_priv(netdev);
251 struct e1000_hw *hw = &adapter->hw;
254 (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE);
256 if (hw->fc == E1000_FC_RX_PAUSE) {
258 } else if (hw->fc == E1000_FC_TX_PAUSE) {
260 } else if (hw->fc == E1000_FC_FULL) {
266 static int e1000_set_pauseparam(struct net_device *netdev,
267 struct ethtool_pauseparam *pause)
269 struct e1000_adapter *adapter = netdev_priv(netdev);
270 struct e1000_hw *hw = &adapter->hw;
273 adapter->fc_autoneg = pause->autoneg;
275 while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
278 if (pause->rx_pause && pause->tx_pause)
279 hw->fc = E1000_FC_FULL;
280 else if (pause->rx_pause && !pause->tx_pause)
281 hw->fc = E1000_FC_RX_PAUSE;
282 else if (!pause->rx_pause && pause->tx_pause)
283 hw->fc = E1000_FC_TX_PAUSE;
284 else if (!pause->rx_pause && !pause->tx_pause)
285 hw->fc = E1000_FC_NONE;
287 hw->original_fc = hw->fc;
289 if (adapter->fc_autoneg == AUTONEG_ENABLE) {
290 if (netif_running(adapter->netdev)) {
294 e1000_reset(adapter);
297 retval = ((hw->media_type == e1000_media_type_fiber) ?
298 e1000_setup_link(hw) : e1000_force_mac_fc(hw));
300 clear_bit(__E1000_RESETTING, &adapter->flags);
304 static u32 e1000_get_msglevel(struct net_device *netdev)
306 struct e1000_adapter *adapter = netdev_priv(netdev);
308 return adapter->msg_enable;
311 static void e1000_set_msglevel(struct net_device *netdev, u32 data)
313 struct e1000_adapter *adapter = netdev_priv(netdev);
315 adapter->msg_enable = data;
318 static int e1000_get_regs_len(struct net_device *netdev)
320 #define E1000_REGS_LEN 32
321 return E1000_REGS_LEN * sizeof(u32);
324 static void e1000_get_regs(struct net_device *netdev, struct ethtool_regs *regs,
327 struct e1000_adapter *adapter = netdev_priv(netdev);
328 struct e1000_hw *hw = &adapter->hw;
332 memset(p, 0, E1000_REGS_LEN * sizeof(u32));
334 regs->version = (1 << 24) | (hw->revision_id << 16) | hw->device_id;
336 regs_buff[0] = er32(CTRL);
337 regs_buff[1] = er32(STATUS);
339 regs_buff[2] = er32(RCTL);
340 regs_buff[3] = er32(RDLEN);
341 regs_buff[4] = er32(RDH);
342 regs_buff[5] = er32(RDT);
343 regs_buff[6] = er32(RDTR);
345 regs_buff[7] = er32(TCTL);
346 regs_buff[8] = er32(TDLEN);
347 regs_buff[9] = er32(TDH);
348 regs_buff[10] = er32(TDT);
349 regs_buff[11] = er32(TIDV);
351 regs_buff[12] = hw->phy_type; /* PHY type (IGP=1, M88=0) */
352 if (hw->phy_type == e1000_phy_igp) {
353 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
354 IGP01E1000_PHY_AGC_A);
355 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_A &
356 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
357 regs_buff[13] = (u32)phy_data; /* cable length */
358 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
359 IGP01E1000_PHY_AGC_B);
360 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_B &
361 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
362 regs_buff[14] = (u32)phy_data; /* cable length */
363 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
364 IGP01E1000_PHY_AGC_C);
365 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_C &
366 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
367 regs_buff[15] = (u32)phy_data; /* cable length */
368 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
369 IGP01E1000_PHY_AGC_D);
370 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_D &
371 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
372 regs_buff[16] = (u32)phy_data; /* cable length */
373 regs_buff[17] = 0; /* extended 10bt distance (not needed) */
374 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0);
375 e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_STATUS &
376 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
377 regs_buff[18] = (u32)phy_data; /* cable polarity */
378 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
379 IGP01E1000_PHY_PCS_INIT_REG);
380 e1000_read_phy_reg(hw, IGP01E1000_PHY_PCS_INIT_REG &
381 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
382 regs_buff[19] = (u32)phy_data; /* cable polarity */
383 regs_buff[20] = 0; /* polarity correction enabled (always) */
384 regs_buff[22] = 0; /* phy receive errors (unavailable) */
385 regs_buff[23] = regs_buff[18]; /* mdix mode */
386 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0);
388 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
389 regs_buff[13] = (u32)phy_data; /* cable length */
390 regs_buff[14] = 0; /* Dummy (to align w/ IGP phy reg dump) */
391 regs_buff[15] = 0; /* Dummy (to align w/ IGP phy reg dump) */
392 regs_buff[16] = 0; /* Dummy (to align w/ IGP phy reg dump) */
393 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
394 regs_buff[17] = (u32)phy_data; /* extended 10bt distance */
395 regs_buff[18] = regs_buff[13]; /* cable polarity */
396 regs_buff[19] = 0; /* Dummy (to align w/ IGP phy reg dump) */
397 regs_buff[20] = regs_buff[17]; /* polarity correction */
398 /* phy receive errors */
399 regs_buff[22] = adapter->phy_stats.receive_errors;
400 regs_buff[23] = regs_buff[13]; /* mdix mode */
402 regs_buff[21] = adapter->phy_stats.idle_errors; /* phy idle errors */
403 e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_data);
404 regs_buff[24] = (u32)phy_data; /* phy local receiver status */
405 regs_buff[25] = regs_buff[24]; /* phy remote receiver status */
406 if (hw->mac_type >= e1000_82540 &&
407 hw->media_type == e1000_media_type_copper) {
408 regs_buff[26] = er32(MANC);
412 static int e1000_get_eeprom_len(struct net_device *netdev)
414 struct e1000_adapter *adapter = netdev_priv(netdev);
415 struct e1000_hw *hw = &adapter->hw;
417 return hw->eeprom.word_size * 2;
420 static int e1000_get_eeprom(struct net_device *netdev,
421 struct ethtool_eeprom *eeprom, u8 *bytes)
423 struct e1000_adapter *adapter = netdev_priv(netdev);
424 struct e1000_hw *hw = &adapter->hw;
426 int first_word, last_word;
430 if (eeprom->len == 0)
433 eeprom->magic = hw->vendor_id | (hw->device_id << 16);
435 first_word = eeprom->offset >> 1;
436 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
438 eeprom_buff = kmalloc_array(last_word - first_word + 1, sizeof(u16),
443 if (hw->eeprom.type == e1000_eeprom_spi)
444 ret_val = e1000_read_eeprom(hw, first_word,
445 last_word - first_word + 1,
448 for (i = 0; i < last_word - first_word + 1; i++) {
449 ret_val = e1000_read_eeprom(hw, first_word + i, 1,
456 /* Device's eeprom is always little-endian, word addressable */
457 for (i = 0; i < last_word - first_word + 1; i++)
458 le16_to_cpus(&eeprom_buff[i]);
460 memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1),
467 static int e1000_set_eeprom(struct net_device *netdev,
468 struct ethtool_eeprom *eeprom, u8 *bytes)
470 struct e1000_adapter *adapter = netdev_priv(netdev);
471 struct e1000_hw *hw = &adapter->hw;
474 int max_len, first_word, last_word, ret_val = 0;
477 if (eeprom->len == 0)
480 if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
483 max_len = hw->eeprom.word_size * 2;
485 first_word = eeprom->offset >> 1;
486 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
487 eeprom_buff = kmalloc(max_len, GFP_KERNEL);
491 ptr = (void *)eeprom_buff;
493 if (eeprom->offset & 1) {
494 /* need read/modify/write of first changed EEPROM word
495 * only the second byte of the word is being modified
497 ret_val = e1000_read_eeprom(hw, first_word, 1,
501 if (((eeprom->offset + eeprom->len) & 1) && (ret_val == 0)) {
502 /* need read/modify/write of last changed EEPROM word
503 * only the first byte of the word is being modified
505 ret_val = e1000_read_eeprom(hw, last_word, 1,
506 &eeprom_buff[last_word - first_word]);
509 /* Device's eeprom is always little-endian, word addressable */
510 for (i = 0; i < last_word - first_word + 1; i++)
511 le16_to_cpus(&eeprom_buff[i]);
513 memcpy(ptr, bytes, eeprom->len);
515 for (i = 0; i < last_word - first_word + 1; i++)
516 eeprom_buff[i] = cpu_to_le16(eeprom_buff[i]);
518 ret_val = e1000_write_eeprom(hw, first_word,
519 last_word - first_word + 1, eeprom_buff);
521 /* Update the checksum over the first part of the EEPROM if needed */
522 if ((ret_val == 0) && (first_word <= EEPROM_CHECKSUM_REG))
523 e1000_update_eeprom_checksum(hw);
529 static void e1000_get_drvinfo(struct net_device *netdev,
530 struct ethtool_drvinfo *drvinfo)
532 struct e1000_adapter *adapter = netdev_priv(netdev);
534 strlcpy(drvinfo->driver, e1000_driver_name,
535 sizeof(drvinfo->driver));
536 strlcpy(drvinfo->version, e1000_driver_version,
537 sizeof(drvinfo->version));
539 strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
540 sizeof(drvinfo->bus_info));
543 static void e1000_get_ringparam(struct net_device *netdev,
544 struct ethtool_ringparam *ring)
546 struct e1000_adapter *adapter = netdev_priv(netdev);
547 struct e1000_hw *hw = &adapter->hw;
548 e1000_mac_type mac_type = hw->mac_type;
549 struct e1000_tx_ring *txdr = adapter->tx_ring;
550 struct e1000_rx_ring *rxdr = adapter->rx_ring;
552 ring->rx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_RXD :
554 ring->tx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_TXD :
556 ring->rx_pending = rxdr->count;
557 ring->tx_pending = txdr->count;
560 static int e1000_set_ringparam(struct net_device *netdev,
561 struct ethtool_ringparam *ring)
563 struct e1000_adapter *adapter = netdev_priv(netdev);
564 struct e1000_hw *hw = &adapter->hw;
565 e1000_mac_type mac_type = hw->mac_type;
566 struct e1000_tx_ring *txdr, *tx_old;
567 struct e1000_rx_ring *rxdr, *rx_old;
570 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
573 while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
576 if (netif_running(adapter->netdev))
579 tx_old = adapter->tx_ring;
580 rx_old = adapter->rx_ring;
583 txdr = kcalloc(adapter->num_tx_queues, sizeof(struct e1000_tx_ring),
588 rxdr = kcalloc(adapter->num_rx_queues, sizeof(struct e1000_rx_ring),
593 adapter->tx_ring = txdr;
594 adapter->rx_ring = rxdr;
596 rxdr->count = max(ring->rx_pending, (u32)E1000_MIN_RXD);
597 rxdr->count = min(rxdr->count, (u32)(mac_type < e1000_82544 ?
598 E1000_MAX_RXD : E1000_MAX_82544_RXD));
599 rxdr->count = ALIGN(rxdr->count, REQ_RX_DESCRIPTOR_MULTIPLE);
600 txdr->count = max(ring->tx_pending, (u32)E1000_MIN_TXD);
601 txdr->count = min(txdr->count, (u32)(mac_type < e1000_82544 ?
602 E1000_MAX_TXD : E1000_MAX_82544_TXD));
603 txdr->count = ALIGN(txdr->count, REQ_TX_DESCRIPTOR_MULTIPLE);
605 for (i = 0; i < adapter->num_tx_queues; i++)
606 txdr[i].count = txdr->count;
607 for (i = 0; i < adapter->num_rx_queues; i++)
608 rxdr[i].count = rxdr->count;
611 if (netif_running(adapter->netdev)) {
612 /* Try to get new resources before deleting old */
613 err = e1000_setup_all_rx_resources(adapter);
616 err = e1000_setup_all_tx_resources(adapter);
620 /* save the new, restore the old in order to free it,
621 * then restore the new back again
624 adapter->rx_ring = rx_old;
625 adapter->tx_ring = tx_old;
626 e1000_free_all_rx_resources(adapter);
627 e1000_free_all_tx_resources(adapter);
628 adapter->rx_ring = rxdr;
629 adapter->tx_ring = txdr;
630 err = e1000_up(adapter);
635 clear_bit(__E1000_RESETTING, &adapter->flags);
639 e1000_free_all_rx_resources(adapter);
641 adapter->rx_ring = rx_old;
642 adapter->tx_ring = tx_old;
647 if (netif_running(adapter->netdev))
649 clear_bit(__E1000_RESETTING, &adapter->flags);
653 static bool reg_pattern_test(struct e1000_adapter *adapter, u64 *data, int reg,
656 struct e1000_hw *hw = &adapter->hw;
657 static const u32 test[] = {
658 0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF
660 u8 __iomem *address = hw->hw_addr + reg;
664 for (i = 0; i < ARRAY_SIZE(test); i++) {
665 writel(write & test[i], address);
666 read = readl(address);
667 if (read != (write & test[i] & mask)) {
668 e_err(drv, "pattern test reg %04X failed: "
669 "got 0x%08X expected 0x%08X\n",
670 reg, read, (write & test[i] & mask));
678 static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data, int reg,
681 struct e1000_hw *hw = &adapter->hw;
682 u8 __iomem *address = hw->hw_addr + reg;
685 writel(write & mask, address);
686 read = readl(address);
687 if ((read & mask) != (write & mask)) {
688 e_err(drv, "set/check reg %04X test failed: "
689 "got 0x%08X expected 0x%08X\n",
690 reg, (read & mask), (write & mask));
697 #define REG_PATTERN_TEST(reg, mask, write) \
699 if (reg_pattern_test(adapter, data, \
700 (hw->mac_type >= e1000_82543) \
701 ? E1000_##reg : E1000_82542_##reg, \
706 #define REG_SET_AND_CHECK(reg, mask, write) \
708 if (reg_set_and_check(adapter, data, \
709 (hw->mac_type >= e1000_82543) \
710 ? E1000_##reg : E1000_82542_##reg, \
715 static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data)
717 u32 value, before, after;
719 struct e1000_hw *hw = &adapter->hw;
721 /* The status register is Read Only, so a write should fail.
722 * Some bits that get toggled are ignored.
725 /* there are several bits on newer hardware that are r/w */
728 before = er32(STATUS);
729 value = (er32(STATUS) & toggle);
730 ew32(STATUS, toggle);
731 after = er32(STATUS) & toggle;
732 if (value != after) {
733 e_err(drv, "failed STATUS register test got: "
734 "0x%08X expected: 0x%08X\n", after, value);
738 /* restore previous status */
739 ew32(STATUS, before);
741 REG_PATTERN_TEST(FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
742 REG_PATTERN_TEST(FCAH, 0x0000FFFF, 0xFFFFFFFF);
743 REG_PATTERN_TEST(FCT, 0x0000FFFF, 0xFFFFFFFF);
744 REG_PATTERN_TEST(VET, 0x0000FFFF, 0xFFFFFFFF);
746 REG_PATTERN_TEST(RDTR, 0x0000FFFF, 0xFFFFFFFF);
747 REG_PATTERN_TEST(RDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
748 REG_PATTERN_TEST(RDLEN, 0x000FFF80, 0x000FFFFF);
749 REG_PATTERN_TEST(RDH, 0x0000FFFF, 0x0000FFFF);
750 REG_PATTERN_TEST(RDT, 0x0000FFFF, 0x0000FFFF);
751 REG_PATTERN_TEST(FCRTH, 0x0000FFF8, 0x0000FFF8);
752 REG_PATTERN_TEST(FCTTV, 0x0000FFFF, 0x0000FFFF);
753 REG_PATTERN_TEST(TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
754 REG_PATTERN_TEST(TDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
755 REG_PATTERN_TEST(TDLEN, 0x000FFF80, 0x000FFFFF);
757 REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x00000000);
760 REG_SET_AND_CHECK(RCTL, before, 0x003FFFFB);
761 REG_SET_AND_CHECK(TCTL, 0xFFFFFFFF, 0x00000000);
763 if (hw->mac_type >= e1000_82543) {
764 REG_SET_AND_CHECK(RCTL, before, 0xFFFFFFFF);
765 REG_PATTERN_TEST(RDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
766 REG_PATTERN_TEST(TXCW, 0xC000FFFF, 0x0000FFFF);
767 REG_PATTERN_TEST(TDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
768 REG_PATTERN_TEST(TIDV, 0x0000FFFF, 0x0000FFFF);
769 value = E1000_RAR_ENTRIES;
770 for (i = 0; i < value; i++) {
771 REG_PATTERN_TEST(RA + (((i << 1) + 1) << 2),
772 0x8003FFFF, 0xFFFFFFFF);
775 REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x01FFFFFF);
776 REG_PATTERN_TEST(RDBAL, 0xFFFFF000, 0xFFFFFFFF);
777 REG_PATTERN_TEST(TXCW, 0x0000FFFF, 0x0000FFFF);
778 REG_PATTERN_TEST(TDBAL, 0xFFFFF000, 0xFFFFFFFF);
781 value = E1000_MC_TBL_SIZE;
782 for (i = 0; i < value; i++)
783 REG_PATTERN_TEST(MTA + (i << 2), 0xFFFFFFFF, 0xFFFFFFFF);
789 static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data)
791 struct e1000_hw *hw = &adapter->hw;
797 /* Read and add up the contents of the EEPROM */
798 for (i = 0; i < (EEPROM_CHECKSUM_REG + 1); i++) {
799 if ((e1000_read_eeprom(hw, i, 1, &temp)) < 0) {
806 /* If Checksum is not Correct return error else test passed */
807 if ((checksum != (u16)EEPROM_SUM) && !(*data))
813 static irqreturn_t e1000_test_intr(int irq, void *data)
815 struct net_device *netdev = (struct net_device *)data;
816 struct e1000_adapter *adapter = netdev_priv(netdev);
817 struct e1000_hw *hw = &adapter->hw;
819 adapter->test_icr |= er32(ICR);
824 static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data)
826 struct net_device *netdev = adapter->netdev;
828 bool shared_int = true;
829 u32 irq = adapter->pdev->irq;
830 struct e1000_hw *hw = &adapter->hw;
834 /* NOTE: we don't test MSI interrupts here, yet
835 * Hook up test interrupt handler just for this test
837 if (!request_irq(irq, e1000_test_intr, IRQF_PROBE_SHARED, netdev->name,
840 else if (request_irq(irq, e1000_test_intr, IRQF_SHARED,
841 netdev->name, netdev)) {
845 e_info(hw, "testing %s interrupt\n", (shared_int ?
846 "shared" : "unshared"));
848 /* Disable all the interrupts */
849 ew32(IMC, 0xFFFFFFFF);
853 /* Test each interrupt */
854 for (; i < 10; i++) {
855 /* Interrupt to test */
859 /* Disable the interrupt to be reported in
860 * the cause register and then force the same
861 * interrupt and see if one gets posted. If
862 * an interrupt was posted to the bus, the
865 adapter->test_icr = 0;
871 if (adapter->test_icr & mask) {
877 /* Enable the interrupt to be reported in
878 * the cause register and then force the same
879 * interrupt and see if one gets posted. If
880 * an interrupt was not posted to the bus, the
883 adapter->test_icr = 0;
889 if (!(adapter->test_icr & mask)) {
895 /* Disable the other interrupts to be reported in
896 * the cause register and then force the other
897 * interrupts and see if any get posted. If
898 * an interrupt was posted to the bus, the
901 adapter->test_icr = 0;
902 ew32(IMC, ~mask & 0x00007FFF);
903 ew32(ICS, ~mask & 0x00007FFF);
907 if (adapter->test_icr) {
914 /* Disable all the interrupts */
915 ew32(IMC, 0xFFFFFFFF);
919 /* Unhook test interrupt handler */
920 free_irq(irq, netdev);
925 static void e1000_free_desc_rings(struct e1000_adapter *adapter)
927 struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
928 struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
929 struct pci_dev *pdev = adapter->pdev;
932 if (txdr->desc && txdr->buffer_info) {
933 for (i = 0; i < txdr->count; i++) {
934 if (txdr->buffer_info[i].dma)
935 dma_unmap_single(&pdev->dev,
936 txdr->buffer_info[i].dma,
937 txdr->buffer_info[i].length,
939 dev_kfree_skb(txdr->buffer_info[i].skb);
943 if (rxdr->desc && rxdr->buffer_info) {
944 for (i = 0; i < rxdr->count; i++) {
945 if (rxdr->buffer_info[i].dma)
946 dma_unmap_single(&pdev->dev,
947 rxdr->buffer_info[i].dma,
950 kfree(rxdr->buffer_info[i].rxbuf.data);
955 dma_free_coherent(&pdev->dev, txdr->size, txdr->desc,
960 dma_free_coherent(&pdev->dev, rxdr->size, rxdr->desc,
965 kfree(txdr->buffer_info);
966 txdr->buffer_info = NULL;
967 kfree(rxdr->buffer_info);
968 rxdr->buffer_info = NULL;
971 static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
973 struct e1000_hw *hw = &adapter->hw;
974 struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
975 struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
976 struct pci_dev *pdev = adapter->pdev;
980 /* Setup Tx descriptor ring and Tx buffers */
983 txdr->count = E1000_DEFAULT_TXD;
985 txdr->buffer_info = kcalloc(txdr->count, sizeof(struct e1000_tx_buffer),
987 if (!txdr->buffer_info) {
992 txdr->size = txdr->count * sizeof(struct e1000_tx_desc);
993 txdr->size = ALIGN(txdr->size, 4096);
994 txdr->desc = dma_alloc_coherent(&pdev->dev, txdr->size, &txdr->dma,
1000 txdr->next_to_use = txdr->next_to_clean = 0;
1002 ew32(TDBAL, ((u64)txdr->dma & 0x00000000FFFFFFFF));
1003 ew32(TDBAH, ((u64)txdr->dma >> 32));
1004 ew32(TDLEN, txdr->count * sizeof(struct e1000_tx_desc));
1007 ew32(TCTL, E1000_TCTL_PSP | E1000_TCTL_EN |
1008 E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
1009 E1000_FDX_COLLISION_DISTANCE << E1000_COLD_SHIFT);
1011 for (i = 0; i < txdr->count; i++) {
1012 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*txdr, i);
1013 struct sk_buff *skb;
1014 unsigned int size = 1024;
1016 skb = alloc_skb(size, GFP_KERNEL);
1022 txdr->buffer_info[i].skb = skb;
1023 txdr->buffer_info[i].length = skb->len;
1024 txdr->buffer_info[i].dma =
1025 dma_map_single(&pdev->dev, skb->data, skb->len,
1027 if (dma_mapping_error(&pdev->dev, txdr->buffer_info[i].dma)) {
1031 tx_desc->buffer_addr = cpu_to_le64(txdr->buffer_info[i].dma);
1032 tx_desc->lower.data = cpu_to_le32(skb->len);
1033 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
1034 E1000_TXD_CMD_IFCS |
1036 tx_desc->upper.data = 0;
1039 /* Setup Rx descriptor ring and Rx buffers */
1042 rxdr->count = E1000_DEFAULT_RXD;
1044 rxdr->buffer_info = kcalloc(rxdr->count, sizeof(struct e1000_rx_buffer),
1046 if (!rxdr->buffer_info) {
1051 rxdr->size = rxdr->count * sizeof(struct e1000_rx_desc);
1052 rxdr->desc = dma_alloc_coherent(&pdev->dev, rxdr->size, &rxdr->dma,
1058 rxdr->next_to_use = rxdr->next_to_clean = 0;
1061 ew32(RCTL, rctl & ~E1000_RCTL_EN);
1062 ew32(RDBAL, ((u64)rxdr->dma & 0xFFFFFFFF));
1063 ew32(RDBAH, ((u64)rxdr->dma >> 32));
1064 ew32(RDLEN, rxdr->size);
1067 rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
1068 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
1069 (hw->mc_filter_type << E1000_RCTL_MO_SHIFT);
1072 for (i = 0; i < rxdr->count; i++) {
1073 struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rxdr, i);
1076 buf = kzalloc(E1000_RXBUFFER_2048 + NET_SKB_PAD + NET_IP_ALIGN,
1082 rxdr->buffer_info[i].rxbuf.data = buf;
1084 rxdr->buffer_info[i].dma =
1085 dma_map_single(&pdev->dev,
1086 buf + NET_SKB_PAD + NET_IP_ALIGN,
1087 E1000_RXBUFFER_2048, DMA_FROM_DEVICE);
1088 if (dma_mapping_error(&pdev->dev, rxdr->buffer_info[i].dma)) {
1092 rx_desc->buffer_addr = cpu_to_le64(rxdr->buffer_info[i].dma);
1098 e1000_free_desc_rings(adapter);
1102 static void e1000_phy_disable_receiver(struct e1000_adapter *adapter)
1104 struct e1000_hw *hw = &adapter->hw;
1106 /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1107 e1000_write_phy_reg(hw, 29, 0x001F);
1108 e1000_write_phy_reg(hw, 30, 0x8FFC);
1109 e1000_write_phy_reg(hw, 29, 0x001A);
1110 e1000_write_phy_reg(hw, 30, 0x8FF0);
1113 static void e1000_phy_reset_clk_and_crs(struct e1000_adapter *adapter)
1115 struct e1000_hw *hw = &adapter->hw;
1118 /* Because we reset the PHY above, we need to re-force TX_CLK in the
1119 * Extended PHY Specific Control Register to 25MHz clock. This
1120 * value defaults back to a 2.5MHz clock when the PHY is reset.
1122 e1000_read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
1123 phy_reg |= M88E1000_EPSCR_TX_CLK_25;
1124 e1000_write_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, phy_reg);
1126 /* In addition, because of the s/w reset above, we need to enable
1127 * CRS on TX. This must be set for both full and half duplex
1130 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);
1131 phy_reg |= M88E1000_PSCR_ASSERT_CRS_ON_TX;
1132 e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_reg);
1135 static int e1000_nonintegrated_phy_loopback(struct e1000_adapter *adapter)
1137 struct e1000_hw *hw = &adapter->hw;
1141 /* Setup the Device Control Register for PHY loopback test. */
1143 ctrl_reg = er32(CTRL);
1144 ctrl_reg |= (E1000_CTRL_ILOS | /* Invert Loss-Of-Signal */
1145 E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1146 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1147 E1000_CTRL_SPD_1000 | /* Force Speed to 1000 */
1148 E1000_CTRL_FD); /* Force Duplex to FULL */
1150 ew32(CTRL, ctrl_reg);
1152 /* Read the PHY Specific Control Register (0x10) */
1153 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);
1155 /* Clear Auto-Crossover bits in PHY Specific Control Register
1158 phy_reg &= ~M88E1000_PSCR_AUTO_X_MODE;
1159 e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_reg);
1161 /* Perform software reset on the PHY */
1162 e1000_phy_reset(hw);
1164 /* Have to setup TX_CLK and TX_CRS after software reset */
1165 e1000_phy_reset_clk_and_crs(adapter);
1167 e1000_write_phy_reg(hw, PHY_CTRL, 0x8100);
1169 /* Wait for reset to complete. */
1172 /* Have to setup TX_CLK and TX_CRS after software reset */
1173 e1000_phy_reset_clk_and_crs(adapter);
1175 /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1176 e1000_phy_disable_receiver(adapter);
1178 /* Set the loopback bit in the PHY control register. */
1179 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1180 phy_reg |= MII_CR_LOOPBACK;
1181 e1000_write_phy_reg(hw, PHY_CTRL, phy_reg);
1183 /* Setup TX_CLK and TX_CRS one more time. */
1184 e1000_phy_reset_clk_and_crs(adapter);
1186 /* Check Phy Configuration */
1187 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1188 if (phy_reg != 0x4100)
1191 e1000_read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
1192 if (phy_reg != 0x0070)
1195 e1000_read_phy_reg(hw, 29, &phy_reg);
1196 if (phy_reg != 0x001A)
1202 static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
1204 struct e1000_hw *hw = &adapter->hw;
1208 hw->autoneg = false;
1210 if (hw->phy_type == e1000_phy_m88) {
1211 /* Auto-MDI/MDIX Off */
1212 e1000_write_phy_reg(hw,
1213 M88E1000_PHY_SPEC_CTRL, 0x0808);
1214 /* reset to update Auto-MDI/MDIX */
1215 e1000_write_phy_reg(hw, PHY_CTRL, 0x9140);
1217 e1000_write_phy_reg(hw, PHY_CTRL, 0x8140);
1220 ctrl_reg = er32(CTRL);
1222 /* force 1000, set loopback */
1223 e1000_write_phy_reg(hw, PHY_CTRL, 0x4140);
1225 /* Now set up the MAC to the same speed/duplex as the PHY. */
1226 ctrl_reg = er32(CTRL);
1227 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1228 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1229 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1230 E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
1231 E1000_CTRL_FD); /* Force Duplex to FULL */
1233 if (hw->media_type == e1000_media_type_copper &&
1234 hw->phy_type == e1000_phy_m88)
1235 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
1237 /* Set the ILOS bit on the fiber Nic is half
1238 * duplex link is detected.
1240 stat_reg = er32(STATUS);
1241 if ((stat_reg & E1000_STATUS_FD) == 0)
1242 ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
1245 ew32(CTRL, ctrl_reg);
1247 /* Disable the receiver on the PHY so when a cable is plugged in, the
1248 * PHY does not begin to autoneg when a cable is reconnected to the NIC.
1250 if (hw->phy_type == e1000_phy_m88)
1251 e1000_phy_disable_receiver(adapter);
1258 static int e1000_set_phy_loopback(struct e1000_adapter *adapter)
1260 struct e1000_hw *hw = &adapter->hw;
1264 switch (hw->mac_type) {
1266 if (hw->media_type == e1000_media_type_copper) {
1267 /* Attempt to setup Loopback mode on Non-integrated PHY.
1268 * Some PHY registers get corrupted at random, so
1269 * attempt this 10 times.
1271 while (e1000_nonintegrated_phy_loopback(adapter) &&
1281 case e1000_82545_rev_3:
1283 case e1000_82546_rev_3:
1285 case e1000_82541_rev_2:
1287 case e1000_82547_rev_2:
1288 return e1000_integrated_phy_loopback(adapter);
1290 /* Default PHY loopback work is to read the MII
1291 * control register and assert bit 14 (loopback mode).
1293 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1294 phy_reg |= MII_CR_LOOPBACK;
1295 e1000_write_phy_reg(hw, PHY_CTRL, phy_reg);
1302 static int e1000_setup_loopback_test(struct e1000_adapter *adapter)
1304 struct e1000_hw *hw = &adapter->hw;
1307 if (hw->media_type == e1000_media_type_fiber ||
1308 hw->media_type == e1000_media_type_internal_serdes) {
1309 switch (hw->mac_type) {
1312 case e1000_82545_rev_3:
1313 case e1000_82546_rev_3:
1314 return e1000_set_phy_loopback(adapter);
1317 rctl |= E1000_RCTL_LBM_TCVR;
1321 } else if (hw->media_type == e1000_media_type_copper) {
1322 return e1000_set_phy_loopback(adapter);
1328 static void e1000_loopback_cleanup(struct e1000_adapter *adapter)
1330 struct e1000_hw *hw = &adapter->hw;
1335 rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
1338 switch (hw->mac_type) {
1341 case e1000_82545_rev_3:
1342 case e1000_82546_rev_3:
1345 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1346 if (phy_reg & MII_CR_LOOPBACK) {
1347 phy_reg &= ~MII_CR_LOOPBACK;
1348 e1000_write_phy_reg(hw, PHY_CTRL, phy_reg);
1349 e1000_phy_reset(hw);
1355 static void e1000_create_lbtest_frame(struct sk_buff *skb,
1356 unsigned int frame_size)
1358 memset(skb->data, 0xFF, frame_size);
1360 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1361 memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
1362 memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
1365 static int e1000_check_lbtest_frame(const unsigned char *data,
1366 unsigned int frame_size)
1369 if (*(data + 3) == 0xFF) {
1370 if ((*(data + frame_size / 2 + 10) == 0xBE) &&
1371 (*(data + frame_size / 2 + 12) == 0xAF)) {
1378 static int e1000_run_loopback_test(struct e1000_adapter *adapter)
1380 struct e1000_hw *hw = &adapter->hw;
1381 struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
1382 struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
1383 struct pci_dev *pdev = adapter->pdev;
1384 int i, j, k, l, lc, good_cnt, ret_val = 0;
1387 ew32(RDT, rxdr->count - 1);
1389 /* Calculate the loop count based on the largest descriptor ring
1390 * The idea is to wrap the largest ring a number of times using 64
1391 * send/receive pairs during each loop
1394 if (rxdr->count <= txdr->count)
1395 lc = ((txdr->count / 64) * 2) + 1;
1397 lc = ((rxdr->count / 64) * 2) + 1;
1400 for (j = 0; j <= lc; j++) { /* loop count loop */
1401 for (i = 0; i < 64; i++) { /* send the packets */
1402 e1000_create_lbtest_frame(txdr->buffer_info[i].skb,
1404 dma_sync_single_for_device(&pdev->dev,
1405 txdr->buffer_info[k].dma,
1406 txdr->buffer_info[k].length,
1408 if (unlikely(++k == txdr->count))
1412 E1000_WRITE_FLUSH();
1414 time = jiffies; /* set the start time for the receive */
1416 do { /* receive the sent packets */
1417 dma_sync_single_for_cpu(&pdev->dev,
1418 rxdr->buffer_info[l].dma,
1419 E1000_RXBUFFER_2048,
1422 ret_val = e1000_check_lbtest_frame(
1423 rxdr->buffer_info[l].rxbuf.data +
1424 NET_SKB_PAD + NET_IP_ALIGN,
1428 if (unlikely(++l == rxdr->count))
1430 /* time + 20 msecs (200 msecs on 2.4) is more than
1431 * enough time to complete the receives, if it's
1432 * exceeded, break and error off
1434 } while (good_cnt < 64 && time_after(time + 20, jiffies));
1436 if (good_cnt != 64) {
1437 ret_val = 13; /* ret_val is the same as mis-compare */
1440 if (time_after_eq(jiffies, time + 2)) {
1441 ret_val = 14; /* error code for time out error */
1444 } /* end loop count loop */
1448 static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data)
1450 *data = e1000_setup_desc_rings(adapter);
1453 *data = e1000_setup_loopback_test(adapter);
1456 *data = e1000_run_loopback_test(adapter);
1457 e1000_loopback_cleanup(adapter);
1460 e1000_free_desc_rings(adapter);
1465 static int e1000_link_test(struct e1000_adapter *adapter, u64 *data)
1467 struct e1000_hw *hw = &adapter->hw;
1469 if (hw->media_type == e1000_media_type_internal_serdes) {
1472 hw->serdes_has_link = false;
1474 /* On some blade server designs, link establishment
1475 * could take as long as 2-3 minutes
1478 e1000_check_for_link(hw);
1479 if (hw->serdes_has_link)
1482 } while (i++ < 3750);
1486 e1000_check_for_link(hw);
1487 if (hw->autoneg) /* if auto_neg is set wait for it */
1490 if (!(er32(STATUS) & E1000_STATUS_LU))
1496 static int e1000_get_sset_count(struct net_device *netdev, int sset)
1500 return E1000_TEST_LEN;
1502 return E1000_STATS_LEN;
1508 static void e1000_diag_test(struct net_device *netdev,
1509 struct ethtool_test *eth_test, u64 *data)
1511 struct e1000_adapter *adapter = netdev_priv(netdev);
1512 struct e1000_hw *hw = &adapter->hw;
1513 bool if_running = netif_running(netdev);
1515 set_bit(__E1000_TESTING, &adapter->flags);
1516 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1519 /* save speed, duplex, autoneg settings */
1520 u16 autoneg_advertised = hw->autoneg_advertised;
1521 u8 forced_speed_duplex = hw->forced_speed_duplex;
1522 u8 autoneg = hw->autoneg;
1524 e_info(hw, "offline testing starting\n");
1526 /* Link test performed before hardware reset so autoneg doesn't
1527 * interfere with test result
1529 if (e1000_link_test(adapter, &data[4]))
1530 eth_test->flags |= ETH_TEST_FL_FAILED;
1533 /* indicate we're in test mode */
1534 e1000_close(netdev);
1536 e1000_reset(adapter);
1538 if (e1000_reg_test(adapter, &data[0]))
1539 eth_test->flags |= ETH_TEST_FL_FAILED;
1541 e1000_reset(adapter);
1542 if (e1000_eeprom_test(adapter, &data[1]))
1543 eth_test->flags |= ETH_TEST_FL_FAILED;
1545 e1000_reset(adapter);
1546 if (e1000_intr_test(adapter, &data[2]))
1547 eth_test->flags |= ETH_TEST_FL_FAILED;
1549 e1000_reset(adapter);
1550 /* make sure the phy is powered up */
1551 e1000_power_up_phy(adapter);
1552 if (e1000_loopback_test(adapter, &data[3]))
1553 eth_test->flags |= ETH_TEST_FL_FAILED;
1555 /* restore speed, duplex, autoneg settings */
1556 hw->autoneg_advertised = autoneg_advertised;
1557 hw->forced_speed_duplex = forced_speed_duplex;
1558 hw->autoneg = autoneg;
1560 e1000_reset(adapter);
1561 clear_bit(__E1000_TESTING, &adapter->flags);
1565 e_info(hw, "online testing starting\n");
1567 if (e1000_link_test(adapter, &data[4]))
1568 eth_test->flags |= ETH_TEST_FL_FAILED;
1570 /* Online tests aren't run; pass by default */
1576 clear_bit(__E1000_TESTING, &adapter->flags);
1578 msleep_interruptible(4 * 1000);
1581 static int e1000_wol_exclusion(struct e1000_adapter *adapter,
1582 struct ethtool_wolinfo *wol)
1584 struct e1000_hw *hw = &adapter->hw;
1585 int retval = 1; /* fail by default */
1587 switch (hw->device_id) {
1588 case E1000_DEV_ID_82542:
1589 case E1000_DEV_ID_82543GC_FIBER:
1590 case E1000_DEV_ID_82543GC_COPPER:
1591 case E1000_DEV_ID_82544EI_FIBER:
1592 case E1000_DEV_ID_82546EB_QUAD_COPPER:
1593 case E1000_DEV_ID_82545EM_FIBER:
1594 case E1000_DEV_ID_82545EM_COPPER:
1595 case E1000_DEV_ID_82546GB_QUAD_COPPER:
1596 case E1000_DEV_ID_82546GB_PCIE:
1597 /* these don't support WoL at all */
1600 case E1000_DEV_ID_82546EB_FIBER:
1601 case E1000_DEV_ID_82546GB_FIBER:
1602 /* Wake events not supported on port B */
1603 if (er32(STATUS) & E1000_STATUS_FUNC_1) {
1607 /* return success for non excluded adapter ports */
1610 case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
1611 /* quad port adapters only support WoL on port A */
1612 if (!adapter->quad_port_a) {
1616 /* return success for non excluded adapter ports */
1620 /* dual port cards only support WoL on port A from now on
1621 * unless it was enabled in the eeprom for port B
1622 * so exclude FUNC_1 ports from having WoL enabled
1624 if (er32(STATUS) & E1000_STATUS_FUNC_1 &&
1625 !adapter->eeprom_wol) {
1636 static void e1000_get_wol(struct net_device *netdev,
1637 struct ethtool_wolinfo *wol)
1639 struct e1000_adapter *adapter = netdev_priv(netdev);
1640 struct e1000_hw *hw = &adapter->hw;
1642 wol->supported = WAKE_UCAST | WAKE_MCAST | WAKE_BCAST | WAKE_MAGIC;
1645 /* this function will set ->supported = 0 and return 1 if wol is not
1646 * supported by this hardware
1648 if (e1000_wol_exclusion(adapter, wol) ||
1649 !device_can_wakeup(&adapter->pdev->dev))
1652 /* apply any specific unsupported masks here */
1653 switch (hw->device_id) {
1654 case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
1655 /* KSP3 does not support UCAST wake-ups */
1656 wol->supported &= ~WAKE_UCAST;
1658 if (adapter->wol & E1000_WUFC_EX)
1659 e_err(drv, "Interface does not support directed "
1660 "(unicast) frame wake-up packets\n");
1666 if (adapter->wol & E1000_WUFC_EX)
1667 wol->wolopts |= WAKE_UCAST;
1668 if (adapter->wol & E1000_WUFC_MC)
1669 wol->wolopts |= WAKE_MCAST;
1670 if (adapter->wol & E1000_WUFC_BC)
1671 wol->wolopts |= WAKE_BCAST;
1672 if (adapter->wol & E1000_WUFC_MAG)
1673 wol->wolopts |= WAKE_MAGIC;
1676 static int e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1678 struct e1000_adapter *adapter = netdev_priv(netdev);
1679 struct e1000_hw *hw = &adapter->hw;
1681 if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
1684 if (e1000_wol_exclusion(adapter, wol) ||
1685 !device_can_wakeup(&adapter->pdev->dev))
1686 return wol->wolopts ? -EOPNOTSUPP : 0;
1688 switch (hw->device_id) {
1689 case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
1690 if (wol->wolopts & WAKE_UCAST) {
1691 e_err(drv, "Interface does not support directed "
1692 "(unicast) frame wake-up packets\n");
1700 /* these settings will always override what we currently have */
1703 if (wol->wolopts & WAKE_UCAST)
1704 adapter->wol |= E1000_WUFC_EX;
1705 if (wol->wolopts & WAKE_MCAST)
1706 adapter->wol |= E1000_WUFC_MC;
1707 if (wol->wolopts & WAKE_BCAST)
1708 adapter->wol |= E1000_WUFC_BC;
1709 if (wol->wolopts & WAKE_MAGIC)
1710 adapter->wol |= E1000_WUFC_MAG;
1712 device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
1717 static int e1000_set_phys_id(struct net_device *netdev,
1718 enum ethtool_phys_id_state state)
1720 struct e1000_adapter *adapter = netdev_priv(netdev);
1721 struct e1000_hw *hw = &adapter->hw;
1724 case ETHTOOL_ID_ACTIVE:
1725 e1000_setup_led(hw);
1732 case ETHTOOL_ID_OFF:
1736 case ETHTOOL_ID_INACTIVE:
1737 e1000_cleanup_led(hw);
1743 static int e1000_get_coalesce(struct net_device *netdev,
1744 struct ethtool_coalesce *ec)
1746 struct e1000_adapter *adapter = netdev_priv(netdev);
1748 if (adapter->hw.mac_type < e1000_82545)
1751 if (adapter->itr_setting <= 4)
1752 ec->rx_coalesce_usecs = adapter->itr_setting;
1754 ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting;
1759 static int e1000_set_coalesce(struct net_device *netdev,
1760 struct ethtool_coalesce *ec)
1762 struct e1000_adapter *adapter = netdev_priv(netdev);
1763 struct e1000_hw *hw = &adapter->hw;
1765 if (hw->mac_type < e1000_82545)
1768 if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) ||
1769 ((ec->rx_coalesce_usecs > 4) &&
1770 (ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) ||
1771 (ec->rx_coalesce_usecs == 2))
1774 if (ec->rx_coalesce_usecs == 4) {
1775 adapter->itr = adapter->itr_setting = 4;
1776 } else if (ec->rx_coalesce_usecs <= 3) {
1777 adapter->itr = 20000;
1778 adapter->itr_setting = ec->rx_coalesce_usecs;
1780 adapter->itr = (1000000 / ec->rx_coalesce_usecs);
1781 adapter->itr_setting = adapter->itr & ~3;
1784 if (adapter->itr_setting != 0)
1785 ew32(ITR, 1000000000 / (adapter->itr * 256));
1792 static int e1000_nway_reset(struct net_device *netdev)
1794 struct e1000_adapter *adapter = netdev_priv(netdev);
1796 if (netif_running(netdev))
1797 e1000_reinit_locked(adapter);
1801 static void e1000_get_ethtool_stats(struct net_device *netdev,
1802 struct ethtool_stats *stats, u64 *data)
1804 struct e1000_adapter *adapter = netdev_priv(netdev);
1806 const struct e1000_stats *stat = e1000_gstrings_stats;
1808 e1000_update_stats(adapter);
1809 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++, stat++) {
1812 switch (stat->type) {
1814 p = (char *)netdev + stat->stat_offset;
1817 p = (char *)adapter + stat->stat_offset;
1820 netdev_WARN_ONCE(netdev, "Invalid E1000 stat type: %u index %d\n",
1825 if (stat->sizeof_stat == sizeof(u64))
1826 data[i] = *(u64 *)p;
1828 data[i] = *(u32 *)p;
1830 /* BUG_ON(i != E1000_STATS_LEN); */
1833 static void e1000_get_strings(struct net_device *netdev, u32 stringset,
1839 switch (stringset) {
1841 memcpy(data, e1000_gstrings_test, sizeof(e1000_gstrings_test));
1844 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1845 memcpy(p, e1000_gstrings_stats[i].stat_string,
1847 p += ETH_GSTRING_LEN;
1849 /* BUG_ON(p - data != E1000_STATS_LEN * ETH_GSTRING_LEN); */
1854 static const struct ethtool_ops e1000_ethtool_ops = {
1855 .get_drvinfo = e1000_get_drvinfo,
1856 .get_regs_len = e1000_get_regs_len,
1857 .get_regs = e1000_get_regs,
1858 .get_wol = e1000_get_wol,
1859 .set_wol = e1000_set_wol,
1860 .get_msglevel = e1000_get_msglevel,
1861 .set_msglevel = e1000_set_msglevel,
1862 .nway_reset = e1000_nway_reset,
1863 .get_link = e1000_get_link,
1864 .get_eeprom_len = e1000_get_eeprom_len,
1865 .get_eeprom = e1000_get_eeprom,
1866 .set_eeprom = e1000_set_eeprom,
1867 .get_ringparam = e1000_get_ringparam,
1868 .set_ringparam = e1000_set_ringparam,
1869 .get_pauseparam = e1000_get_pauseparam,
1870 .set_pauseparam = e1000_set_pauseparam,
1871 .self_test = e1000_diag_test,
1872 .get_strings = e1000_get_strings,
1873 .set_phys_id = e1000_set_phys_id,
1874 .get_ethtool_stats = e1000_get_ethtool_stats,
1875 .get_sset_count = e1000_get_sset_count,
1876 .get_coalesce = e1000_get_coalesce,
1877 .set_coalesce = e1000_set_coalesce,
1878 .get_ts_info = ethtool_op_get_ts_info,
1879 .get_link_ksettings = e1000_get_link_ksettings,
1880 .set_link_ksettings = e1000_set_link_ksettings,
1883 void e1000_set_ethtool_ops(struct net_device *netdev)
1885 netdev->ethtool_ops = &e1000_ethtool_ops;