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));
537 strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
538 sizeof(drvinfo->bus_info));
541 static void e1000_get_ringparam(struct net_device *netdev,
542 struct ethtool_ringparam *ring)
544 struct e1000_adapter *adapter = netdev_priv(netdev);
545 struct e1000_hw *hw = &adapter->hw;
546 e1000_mac_type mac_type = hw->mac_type;
547 struct e1000_tx_ring *txdr = adapter->tx_ring;
548 struct e1000_rx_ring *rxdr = adapter->rx_ring;
550 ring->rx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_RXD :
552 ring->tx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_TXD :
554 ring->rx_pending = rxdr->count;
555 ring->tx_pending = txdr->count;
558 static int e1000_set_ringparam(struct net_device *netdev,
559 struct ethtool_ringparam *ring)
561 struct e1000_adapter *adapter = netdev_priv(netdev);
562 struct e1000_hw *hw = &adapter->hw;
563 e1000_mac_type mac_type = hw->mac_type;
564 struct e1000_tx_ring *txdr, *tx_old;
565 struct e1000_rx_ring *rxdr, *rx_old;
568 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
571 while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
574 if (netif_running(adapter->netdev))
577 tx_old = adapter->tx_ring;
578 rx_old = adapter->rx_ring;
581 txdr = kcalloc(adapter->num_tx_queues, sizeof(struct e1000_tx_ring),
586 rxdr = kcalloc(adapter->num_rx_queues, sizeof(struct e1000_rx_ring),
591 adapter->tx_ring = txdr;
592 adapter->rx_ring = rxdr;
594 rxdr->count = max(ring->rx_pending, (u32)E1000_MIN_RXD);
595 rxdr->count = min(rxdr->count, (u32)(mac_type < e1000_82544 ?
596 E1000_MAX_RXD : E1000_MAX_82544_RXD));
597 rxdr->count = ALIGN(rxdr->count, REQ_RX_DESCRIPTOR_MULTIPLE);
598 txdr->count = max(ring->tx_pending, (u32)E1000_MIN_TXD);
599 txdr->count = min(txdr->count, (u32)(mac_type < e1000_82544 ?
600 E1000_MAX_TXD : E1000_MAX_82544_TXD));
601 txdr->count = ALIGN(txdr->count, REQ_TX_DESCRIPTOR_MULTIPLE);
603 for (i = 0; i < adapter->num_tx_queues; i++)
604 txdr[i].count = txdr->count;
605 for (i = 0; i < adapter->num_rx_queues; i++)
606 rxdr[i].count = rxdr->count;
609 if (netif_running(adapter->netdev)) {
610 /* Try to get new resources before deleting old */
611 err = e1000_setup_all_rx_resources(adapter);
614 err = e1000_setup_all_tx_resources(adapter);
618 /* save the new, restore the old in order to free it,
619 * then restore the new back again
622 adapter->rx_ring = rx_old;
623 adapter->tx_ring = tx_old;
624 e1000_free_all_rx_resources(adapter);
625 e1000_free_all_tx_resources(adapter);
626 adapter->rx_ring = rxdr;
627 adapter->tx_ring = txdr;
628 err = e1000_up(adapter);
633 clear_bit(__E1000_RESETTING, &adapter->flags);
637 e1000_free_all_rx_resources(adapter);
639 adapter->rx_ring = rx_old;
640 adapter->tx_ring = tx_old;
645 if (netif_running(adapter->netdev))
647 clear_bit(__E1000_RESETTING, &adapter->flags);
651 static bool reg_pattern_test(struct e1000_adapter *adapter, u64 *data, int reg,
654 struct e1000_hw *hw = &adapter->hw;
655 static const u32 test[] = {
656 0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF
658 u8 __iomem *address = hw->hw_addr + reg;
662 for (i = 0; i < ARRAY_SIZE(test); i++) {
663 writel(write & test[i], address);
664 read = readl(address);
665 if (read != (write & test[i] & mask)) {
666 e_err(drv, "pattern test reg %04X failed: "
667 "got 0x%08X expected 0x%08X\n",
668 reg, read, (write & test[i] & mask));
676 static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data, int reg,
679 struct e1000_hw *hw = &adapter->hw;
680 u8 __iomem *address = hw->hw_addr + reg;
683 writel(write & mask, address);
684 read = readl(address);
685 if ((read & mask) != (write & mask)) {
686 e_err(drv, "set/check reg %04X test failed: "
687 "got 0x%08X expected 0x%08X\n",
688 reg, (read & mask), (write & mask));
695 #define REG_PATTERN_TEST(reg, mask, write) \
697 if (reg_pattern_test(adapter, data, \
698 (hw->mac_type >= e1000_82543) \
699 ? E1000_##reg : E1000_82542_##reg, \
704 #define REG_SET_AND_CHECK(reg, mask, write) \
706 if (reg_set_and_check(adapter, data, \
707 (hw->mac_type >= e1000_82543) \
708 ? E1000_##reg : E1000_82542_##reg, \
713 static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data)
715 u32 value, before, after;
717 struct e1000_hw *hw = &adapter->hw;
719 /* The status register is Read Only, so a write should fail.
720 * Some bits that get toggled are ignored.
723 /* there are several bits on newer hardware that are r/w */
726 before = er32(STATUS);
727 value = (er32(STATUS) & toggle);
728 ew32(STATUS, toggle);
729 after = er32(STATUS) & toggle;
730 if (value != after) {
731 e_err(drv, "failed STATUS register test got: "
732 "0x%08X expected: 0x%08X\n", after, value);
736 /* restore previous status */
737 ew32(STATUS, before);
739 REG_PATTERN_TEST(FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
740 REG_PATTERN_TEST(FCAH, 0x0000FFFF, 0xFFFFFFFF);
741 REG_PATTERN_TEST(FCT, 0x0000FFFF, 0xFFFFFFFF);
742 REG_PATTERN_TEST(VET, 0x0000FFFF, 0xFFFFFFFF);
744 REG_PATTERN_TEST(RDTR, 0x0000FFFF, 0xFFFFFFFF);
745 REG_PATTERN_TEST(RDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
746 REG_PATTERN_TEST(RDLEN, 0x000FFF80, 0x000FFFFF);
747 REG_PATTERN_TEST(RDH, 0x0000FFFF, 0x0000FFFF);
748 REG_PATTERN_TEST(RDT, 0x0000FFFF, 0x0000FFFF);
749 REG_PATTERN_TEST(FCRTH, 0x0000FFF8, 0x0000FFF8);
750 REG_PATTERN_TEST(FCTTV, 0x0000FFFF, 0x0000FFFF);
751 REG_PATTERN_TEST(TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
752 REG_PATTERN_TEST(TDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
753 REG_PATTERN_TEST(TDLEN, 0x000FFF80, 0x000FFFFF);
755 REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x00000000);
758 REG_SET_AND_CHECK(RCTL, before, 0x003FFFFB);
759 REG_SET_AND_CHECK(TCTL, 0xFFFFFFFF, 0x00000000);
761 if (hw->mac_type >= e1000_82543) {
762 REG_SET_AND_CHECK(RCTL, before, 0xFFFFFFFF);
763 REG_PATTERN_TEST(RDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
764 REG_PATTERN_TEST(TXCW, 0xC000FFFF, 0x0000FFFF);
765 REG_PATTERN_TEST(TDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
766 REG_PATTERN_TEST(TIDV, 0x0000FFFF, 0x0000FFFF);
767 value = E1000_RAR_ENTRIES;
768 for (i = 0; i < value; i++) {
769 REG_PATTERN_TEST(RA + (((i << 1) + 1) << 2),
770 0x8003FFFF, 0xFFFFFFFF);
773 REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x01FFFFFF);
774 REG_PATTERN_TEST(RDBAL, 0xFFFFF000, 0xFFFFFFFF);
775 REG_PATTERN_TEST(TXCW, 0x0000FFFF, 0x0000FFFF);
776 REG_PATTERN_TEST(TDBAL, 0xFFFFF000, 0xFFFFFFFF);
779 value = E1000_MC_TBL_SIZE;
780 for (i = 0; i < value; i++)
781 REG_PATTERN_TEST(MTA + (i << 2), 0xFFFFFFFF, 0xFFFFFFFF);
787 static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data)
789 struct e1000_hw *hw = &adapter->hw;
795 /* Read and add up the contents of the EEPROM */
796 for (i = 0; i < (EEPROM_CHECKSUM_REG + 1); i++) {
797 if ((e1000_read_eeprom(hw, i, 1, &temp)) < 0) {
804 /* If Checksum is not Correct return error else test passed */
805 if ((checksum != (u16)EEPROM_SUM) && !(*data))
811 static irqreturn_t e1000_test_intr(int irq, void *data)
813 struct net_device *netdev = (struct net_device *)data;
814 struct e1000_adapter *adapter = netdev_priv(netdev);
815 struct e1000_hw *hw = &adapter->hw;
817 adapter->test_icr |= er32(ICR);
822 static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data)
824 struct net_device *netdev = adapter->netdev;
826 bool shared_int = true;
827 u32 irq = adapter->pdev->irq;
828 struct e1000_hw *hw = &adapter->hw;
832 /* NOTE: we don't test MSI interrupts here, yet
833 * Hook up test interrupt handler just for this test
835 if (!request_irq(irq, e1000_test_intr, IRQF_PROBE_SHARED, netdev->name,
838 else if (request_irq(irq, e1000_test_intr, IRQF_SHARED,
839 netdev->name, netdev)) {
843 e_info(hw, "testing %s interrupt\n", (shared_int ?
844 "shared" : "unshared"));
846 /* Disable all the interrupts */
847 ew32(IMC, 0xFFFFFFFF);
851 /* Test each interrupt */
852 for (; i < 10; i++) {
853 /* Interrupt to test */
857 /* Disable the interrupt to be reported in
858 * the cause register and then force the same
859 * interrupt and see if one gets posted. If
860 * an interrupt was posted to the bus, the
863 adapter->test_icr = 0;
869 if (adapter->test_icr & mask) {
875 /* Enable the interrupt to be reported in
876 * the cause register and then force the same
877 * interrupt and see if one gets posted. If
878 * an interrupt was not posted to the bus, the
881 adapter->test_icr = 0;
887 if (!(adapter->test_icr & mask)) {
893 /* Disable the other interrupts to be reported in
894 * the cause register and then force the other
895 * interrupts and see if any get posted. If
896 * an interrupt was posted to the bus, the
899 adapter->test_icr = 0;
900 ew32(IMC, ~mask & 0x00007FFF);
901 ew32(ICS, ~mask & 0x00007FFF);
905 if (adapter->test_icr) {
912 /* Disable all the interrupts */
913 ew32(IMC, 0xFFFFFFFF);
917 /* Unhook test interrupt handler */
918 free_irq(irq, netdev);
923 static void e1000_free_desc_rings(struct e1000_adapter *adapter)
925 struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
926 struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
927 struct pci_dev *pdev = adapter->pdev;
930 if (txdr->desc && txdr->buffer_info) {
931 for (i = 0; i < txdr->count; i++) {
932 if (txdr->buffer_info[i].dma)
933 dma_unmap_single(&pdev->dev,
934 txdr->buffer_info[i].dma,
935 txdr->buffer_info[i].length,
937 dev_kfree_skb(txdr->buffer_info[i].skb);
941 if (rxdr->desc && rxdr->buffer_info) {
942 for (i = 0; i < rxdr->count; i++) {
943 if (rxdr->buffer_info[i].dma)
944 dma_unmap_single(&pdev->dev,
945 rxdr->buffer_info[i].dma,
948 kfree(rxdr->buffer_info[i].rxbuf.data);
953 dma_free_coherent(&pdev->dev, txdr->size, txdr->desc,
958 dma_free_coherent(&pdev->dev, rxdr->size, rxdr->desc,
963 kfree(txdr->buffer_info);
964 txdr->buffer_info = NULL;
965 kfree(rxdr->buffer_info);
966 rxdr->buffer_info = NULL;
969 static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
971 struct e1000_hw *hw = &adapter->hw;
972 struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
973 struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
974 struct pci_dev *pdev = adapter->pdev;
978 /* Setup Tx descriptor ring and Tx buffers */
981 txdr->count = E1000_DEFAULT_TXD;
983 txdr->buffer_info = kcalloc(txdr->count, sizeof(struct e1000_tx_buffer),
985 if (!txdr->buffer_info) {
990 txdr->size = txdr->count * sizeof(struct e1000_tx_desc);
991 txdr->size = ALIGN(txdr->size, 4096);
992 txdr->desc = dma_alloc_coherent(&pdev->dev, txdr->size, &txdr->dma,
998 txdr->next_to_use = txdr->next_to_clean = 0;
1000 ew32(TDBAL, ((u64)txdr->dma & 0x00000000FFFFFFFF));
1001 ew32(TDBAH, ((u64)txdr->dma >> 32));
1002 ew32(TDLEN, txdr->count * sizeof(struct e1000_tx_desc));
1005 ew32(TCTL, E1000_TCTL_PSP | E1000_TCTL_EN |
1006 E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
1007 E1000_FDX_COLLISION_DISTANCE << E1000_COLD_SHIFT);
1009 for (i = 0; i < txdr->count; i++) {
1010 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*txdr, i);
1011 struct sk_buff *skb;
1012 unsigned int size = 1024;
1014 skb = alloc_skb(size, GFP_KERNEL);
1020 txdr->buffer_info[i].skb = skb;
1021 txdr->buffer_info[i].length = skb->len;
1022 txdr->buffer_info[i].dma =
1023 dma_map_single(&pdev->dev, skb->data, skb->len,
1025 if (dma_mapping_error(&pdev->dev, txdr->buffer_info[i].dma)) {
1029 tx_desc->buffer_addr = cpu_to_le64(txdr->buffer_info[i].dma);
1030 tx_desc->lower.data = cpu_to_le32(skb->len);
1031 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
1032 E1000_TXD_CMD_IFCS |
1034 tx_desc->upper.data = 0;
1037 /* Setup Rx descriptor ring and Rx buffers */
1040 rxdr->count = E1000_DEFAULT_RXD;
1042 rxdr->buffer_info = kcalloc(rxdr->count, sizeof(struct e1000_rx_buffer),
1044 if (!rxdr->buffer_info) {
1049 rxdr->size = rxdr->count * sizeof(struct e1000_rx_desc);
1050 rxdr->desc = dma_alloc_coherent(&pdev->dev, rxdr->size, &rxdr->dma,
1056 rxdr->next_to_use = rxdr->next_to_clean = 0;
1059 ew32(RCTL, rctl & ~E1000_RCTL_EN);
1060 ew32(RDBAL, ((u64)rxdr->dma & 0xFFFFFFFF));
1061 ew32(RDBAH, ((u64)rxdr->dma >> 32));
1062 ew32(RDLEN, rxdr->size);
1065 rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
1066 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
1067 (hw->mc_filter_type << E1000_RCTL_MO_SHIFT);
1070 for (i = 0; i < rxdr->count; i++) {
1071 struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rxdr, i);
1074 buf = kzalloc(E1000_RXBUFFER_2048 + NET_SKB_PAD + NET_IP_ALIGN,
1080 rxdr->buffer_info[i].rxbuf.data = buf;
1082 rxdr->buffer_info[i].dma =
1083 dma_map_single(&pdev->dev,
1084 buf + NET_SKB_PAD + NET_IP_ALIGN,
1085 E1000_RXBUFFER_2048, DMA_FROM_DEVICE);
1086 if (dma_mapping_error(&pdev->dev, rxdr->buffer_info[i].dma)) {
1090 rx_desc->buffer_addr = cpu_to_le64(rxdr->buffer_info[i].dma);
1096 e1000_free_desc_rings(adapter);
1100 static void e1000_phy_disable_receiver(struct e1000_adapter *adapter)
1102 struct e1000_hw *hw = &adapter->hw;
1104 /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1105 e1000_write_phy_reg(hw, 29, 0x001F);
1106 e1000_write_phy_reg(hw, 30, 0x8FFC);
1107 e1000_write_phy_reg(hw, 29, 0x001A);
1108 e1000_write_phy_reg(hw, 30, 0x8FF0);
1111 static void e1000_phy_reset_clk_and_crs(struct e1000_adapter *adapter)
1113 struct e1000_hw *hw = &adapter->hw;
1116 /* Because we reset the PHY above, we need to re-force TX_CLK in the
1117 * Extended PHY Specific Control Register to 25MHz clock. This
1118 * value defaults back to a 2.5MHz clock when the PHY is reset.
1120 e1000_read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
1121 phy_reg |= M88E1000_EPSCR_TX_CLK_25;
1122 e1000_write_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, phy_reg);
1124 /* In addition, because of the s/w reset above, we need to enable
1125 * CRS on TX. This must be set for both full and half duplex
1128 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);
1129 phy_reg |= M88E1000_PSCR_ASSERT_CRS_ON_TX;
1130 e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_reg);
1133 static int e1000_nonintegrated_phy_loopback(struct e1000_adapter *adapter)
1135 struct e1000_hw *hw = &adapter->hw;
1139 /* Setup the Device Control Register for PHY loopback test. */
1141 ctrl_reg = er32(CTRL);
1142 ctrl_reg |= (E1000_CTRL_ILOS | /* Invert Loss-Of-Signal */
1143 E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1144 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1145 E1000_CTRL_SPD_1000 | /* Force Speed to 1000 */
1146 E1000_CTRL_FD); /* Force Duplex to FULL */
1148 ew32(CTRL, ctrl_reg);
1150 /* Read the PHY Specific Control Register (0x10) */
1151 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);
1153 /* Clear Auto-Crossover bits in PHY Specific Control Register
1156 phy_reg &= ~M88E1000_PSCR_AUTO_X_MODE;
1157 e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_reg);
1159 /* Perform software reset on the PHY */
1160 e1000_phy_reset(hw);
1162 /* Have to setup TX_CLK and TX_CRS after software reset */
1163 e1000_phy_reset_clk_and_crs(adapter);
1165 e1000_write_phy_reg(hw, PHY_CTRL, 0x8100);
1167 /* Wait for reset to complete. */
1170 /* Have to setup TX_CLK and TX_CRS after software reset */
1171 e1000_phy_reset_clk_and_crs(adapter);
1173 /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1174 e1000_phy_disable_receiver(adapter);
1176 /* Set the loopback bit in the PHY control register. */
1177 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1178 phy_reg |= MII_CR_LOOPBACK;
1179 e1000_write_phy_reg(hw, PHY_CTRL, phy_reg);
1181 /* Setup TX_CLK and TX_CRS one more time. */
1182 e1000_phy_reset_clk_and_crs(adapter);
1184 /* Check Phy Configuration */
1185 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1186 if (phy_reg != 0x4100)
1189 e1000_read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
1190 if (phy_reg != 0x0070)
1193 e1000_read_phy_reg(hw, 29, &phy_reg);
1194 if (phy_reg != 0x001A)
1200 static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
1202 struct e1000_hw *hw = &adapter->hw;
1206 hw->autoneg = false;
1208 if (hw->phy_type == e1000_phy_m88) {
1209 /* Auto-MDI/MDIX Off */
1210 e1000_write_phy_reg(hw,
1211 M88E1000_PHY_SPEC_CTRL, 0x0808);
1212 /* reset to update Auto-MDI/MDIX */
1213 e1000_write_phy_reg(hw, PHY_CTRL, 0x9140);
1215 e1000_write_phy_reg(hw, PHY_CTRL, 0x8140);
1218 ctrl_reg = er32(CTRL);
1220 /* force 1000, set loopback */
1221 e1000_write_phy_reg(hw, PHY_CTRL, 0x4140);
1223 /* Now set up the MAC to the same speed/duplex as the PHY. */
1224 ctrl_reg = er32(CTRL);
1225 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1226 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1227 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1228 E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
1229 E1000_CTRL_FD); /* Force Duplex to FULL */
1231 if (hw->media_type == e1000_media_type_copper &&
1232 hw->phy_type == e1000_phy_m88)
1233 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
1235 /* Set the ILOS bit on the fiber Nic is half
1236 * duplex link is detected.
1238 stat_reg = er32(STATUS);
1239 if ((stat_reg & E1000_STATUS_FD) == 0)
1240 ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
1243 ew32(CTRL, ctrl_reg);
1245 /* Disable the receiver on the PHY so when a cable is plugged in, the
1246 * PHY does not begin to autoneg when a cable is reconnected to the NIC.
1248 if (hw->phy_type == e1000_phy_m88)
1249 e1000_phy_disable_receiver(adapter);
1256 static int e1000_set_phy_loopback(struct e1000_adapter *adapter)
1258 struct e1000_hw *hw = &adapter->hw;
1262 switch (hw->mac_type) {
1264 if (hw->media_type == e1000_media_type_copper) {
1265 /* Attempt to setup Loopback mode on Non-integrated PHY.
1266 * Some PHY registers get corrupted at random, so
1267 * attempt this 10 times.
1269 while (e1000_nonintegrated_phy_loopback(adapter) &&
1279 case e1000_82545_rev_3:
1281 case e1000_82546_rev_3:
1283 case e1000_82541_rev_2:
1285 case e1000_82547_rev_2:
1286 return e1000_integrated_phy_loopback(adapter);
1288 /* Default PHY loopback work is to read the MII
1289 * control register and assert bit 14 (loopback mode).
1291 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1292 phy_reg |= MII_CR_LOOPBACK;
1293 e1000_write_phy_reg(hw, PHY_CTRL, phy_reg);
1300 static int e1000_setup_loopback_test(struct e1000_adapter *adapter)
1302 struct e1000_hw *hw = &adapter->hw;
1305 if (hw->media_type == e1000_media_type_fiber ||
1306 hw->media_type == e1000_media_type_internal_serdes) {
1307 switch (hw->mac_type) {
1310 case e1000_82545_rev_3:
1311 case e1000_82546_rev_3:
1312 return e1000_set_phy_loopback(adapter);
1315 rctl |= E1000_RCTL_LBM_TCVR;
1319 } else if (hw->media_type == e1000_media_type_copper) {
1320 return e1000_set_phy_loopback(adapter);
1326 static void e1000_loopback_cleanup(struct e1000_adapter *adapter)
1328 struct e1000_hw *hw = &adapter->hw;
1333 rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
1336 switch (hw->mac_type) {
1339 case e1000_82545_rev_3:
1340 case e1000_82546_rev_3:
1343 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1344 if (phy_reg & MII_CR_LOOPBACK) {
1345 phy_reg &= ~MII_CR_LOOPBACK;
1346 e1000_write_phy_reg(hw, PHY_CTRL, phy_reg);
1347 e1000_phy_reset(hw);
1353 static void e1000_create_lbtest_frame(struct sk_buff *skb,
1354 unsigned int frame_size)
1356 memset(skb->data, 0xFF, frame_size);
1358 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1359 skb->data[frame_size / 2 + 10] = 0xBE;
1360 skb->data[frame_size / 2 + 12] = 0xAF;
1363 static int e1000_check_lbtest_frame(const unsigned char *data,
1364 unsigned int frame_size)
1367 if (*(data + 3) == 0xFF) {
1368 if ((*(data + frame_size / 2 + 10) == 0xBE) &&
1369 (*(data + frame_size / 2 + 12) == 0xAF)) {
1376 static int e1000_run_loopback_test(struct e1000_adapter *adapter)
1378 struct e1000_hw *hw = &adapter->hw;
1379 struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
1380 struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
1381 struct pci_dev *pdev = adapter->pdev;
1382 int i, j, k, l, lc, good_cnt, ret_val = 0;
1385 ew32(RDT, rxdr->count - 1);
1387 /* Calculate the loop count based on the largest descriptor ring
1388 * The idea is to wrap the largest ring a number of times using 64
1389 * send/receive pairs during each loop
1392 if (rxdr->count <= txdr->count)
1393 lc = ((txdr->count / 64) * 2) + 1;
1395 lc = ((rxdr->count / 64) * 2) + 1;
1398 for (j = 0; j <= lc; j++) { /* loop count loop */
1399 for (i = 0; i < 64; i++) { /* send the packets */
1400 e1000_create_lbtest_frame(txdr->buffer_info[i].skb,
1402 dma_sync_single_for_device(&pdev->dev,
1403 txdr->buffer_info[k].dma,
1404 txdr->buffer_info[k].length,
1406 if (unlikely(++k == txdr->count))
1410 E1000_WRITE_FLUSH();
1412 time = jiffies; /* set the start time for the receive */
1414 do { /* receive the sent packets */
1415 dma_sync_single_for_cpu(&pdev->dev,
1416 rxdr->buffer_info[l].dma,
1417 E1000_RXBUFFER_2048,
1420 ret_val = e1000_check_lbtest_frame(
1421 rxdr->buffer_info[l].rxbuf.data +
1422 NET_SKB_PAD + NET_IP_ALIGN,
1426 if (unlikely(++l == rxdr->count))
1428 /* time + 20 msecs (200 msecs on 2.4) is more than
1429 * enough time to complete the receives, if it's
1430 * exceeded, break and error off
1432 } while (good_cnt < 64 && time_after(time + 20, jiffies));
1434 if (good_cnt != 64) {
1435 ret_val = 13; /* ret_val is the same as mis-compare */
1438 if (time_after_eq(jiffies, time + 2)) {
1439 ret_val = 14; /* error code for time out error */
1442 } /* end loop count loop */
1446 static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data)
1448 *data = e1000_setup_desc_rings(adapter);
1451 *data = e1000_setup_loopback_test(adapter);
1454 *data = e1000_run_loopback_test(adapter);
1455 e1000_loopback_cleanup(adapter);
1458 e1000_free_desc_rings(adapter);
1463 static int e1000_link_test(struct e1000_adapter *adapter, u64 *data)
1465 struct e1000_hw *hw = &adapter->hw;
1467 if (hw->media_type == e1000_media_type_internal_serdes) {
1470 hw->serdes_has_link = false;
1472 /* On some blade server designs, link establishment
1473 * could take as long as 2-3 minutes
1476 e1000_check_for_link(hw);
1477 if (hw->serdes_has_link)
1480 } while (i++ < 3750);
1484 e1000_check_for_link(hw);
1485 if (hw->autoneg) /* if auto_neg is set wait for it */
1488 if (!(er32(STATUS) & E1000_STATUS_LU))
1494 static int e1000_get_sset_count(struct net_device *netdev, int sset)
1498 return E1000_TEST_LEN;
1500 return E1000_STATS_LEN;
1506 static void e1000_diag_test(struct net_device *netdev,
1507 struct ethtool_test *eth_test, u64 *data)
1509 struct e1000_adapter *adapter = netdev_priv(netdev);
1510 struct e1000_hw *hw = &adapter->hw;
1511 bool if_running = netif_running(netdev);
1513 set_bit(__E1000_TESTING, &adapter->flags);
1514 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1517 /* save speed, duplex, autoneg settings */
1518 u16 autoneg_advertised = hw->autoneg_advertised;
1519 u8 forced_speed_duplex = hw->forced_speed_duplex;
1520 u8 autoneg = hw->autoneg;
1522 e_info(hw, "offline testing starting\n");
1524 /* Link test performed before hardware reset so autoneg doesn't
1525 * interfere with test result
1527 if (e1000_link_test(adapter, &data[4]))
1528 eth_test->flags |= ETH_TEST_FL_FAILED;
1531 /* indicate we're in test mode */
1532 e1000_close(netdev);
1534 e1000_reset(adapter);
1536 if (e1000_reg_test(adapter, &data[0]))
1537 eth_test->flags |= ETH_TEST_FL_FAILED;
1539 e1000_reset(adapter);
1540 if (e1000_eeprom_test(adapter, &data[1]))
1541 eth_test->flags |= ETH_TEST_FL_FAILED;
1543 e1000_reset(adapter);
1544 if (e1000_intr_test(adapter, &data[2]))
1545 eth_test->flags |= ETH_TEST_FL_FAILED;
1547 e1000_reset(adapter);
1548 /* make sure the phy is powered up */
1549 e1000_power_up_phy(adapter);
1550 if (e1000_loopback_test(adapter, &data[3]))
1551 eth_test->flags |= ETH_TEST_FL_FAILED;
1553 /* restore speed, duplex, autoneg settings */
1554 hw->autoneg_advertised = autoneg_advertised;
1555 hw->forced_speed_duplex = forced_speed_duplex;
1556 hw->autoneg = autoneg;
1558 e1000_reset(adapter);
1559 clear_bit(__E1000_TESTING, &adapter->flags);
1563 e_info(hw, "online testing starting\n");
1565 if (e1000_link_test(adapter, &data[4]))
1566 eth_test->flags |= ETH_TEST_FL_FAILED;
1568 /* Online tests aren't run; pass by default */
1574 clear_bit(__E1000_TESTING, &adapter->flags);
1576 msleep_interruptible(4 * 1000);
1579 static int e1000_wol_exclusion(struct e1000_adapter *adapter,
1580 struct ethtool_wolinfo *wol)
1582 struct e1000_hw *hw = &adapter->hw;
1583 int retval = 1; /* fail by default */
1585 switch (hw->device_id) {
1586 case E1000_DEV_ID_82542:
1587 case E1000_DEV_ID_82543GC_FIBER:
1588 case E1000_DEV_ID_82543GC_COPPER:
1589 case E1000_DEV_ID_82544EI_FIBER:
1590 case E1000_DEV_ID_82546EB_QUAD_COPPER:
1591 case E1000_DEV_ID_82545EM_FIBER:
1592 case E1000_DEV_ID_82545EM_COPPER:
1593 case E1000_DEV_ID_82546GB_QUAD_COPPER:
1594 case E1000_DEV_ID_82546GB_PCIE:
1595 /* these don't support WoL at all */
1598 case E1000_DEV_ID_82546EB_FIBER:
1599 case E1000_DEV_ID_82546GB_FIBER:
1600 /* Wake events not supported on port B */
1601 if (er32(STATUS) & E1000_STATUS_FUNC_1) {
1605 /* return success for non excluded adapter ports */
1608 case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
1609 /* quad port adapters only support WoL on port A */
1610 if (!adapter->quad_port_a) {
1614 /* return success for non excluded adapter ports */
1618 /* dual port cards only support WoL on port A from now on
1619 * unless it was enabled in the eeprom for port B
1620 * so exclude FUNC_1 ports from having WoL enabled
1622 if (er32(STATUS) & E1000_STATUS_FUNC_1 &&
1623 !adapter->eeprom_wol) {
1634 static void e1000_get_wol(struct net_device *netdev,
1635 struct ethtool_wolinfo *wol)
1637 struct e1000_adapter *adapter = netdev_priv(netdev);
1638 struct e1000_hw *hw = &adapter->hw;
1640 wol->supported = WAKE_UCAST | WAKE_MCAST | WAKE_BCAST | WAKE_MAGIC;
1643 /* this function will set ->supported = 0 and return 1 if wol is not
1644 * supported by this hardware
1646 if (e1000_wol_exclusion(adapter, wol) ||
1647 !device_can_wakeup(&adapter->pdev->dev))
1650 /* apply any specific unsupported masks here */
1651 switch (hw->device_id) {
1652 case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
1653 /* KSP3 does not support UCAST wake-ups */
1654 wol->supported &= ~WAKE_UCAST;
1656 if (adapter->wol & E1000_WUFC_EX)
1657 e_err(drv, "Interface does not support directed "
1658 "(unicast) frame wake-up packets\n");
1664 if (adapter->wol & E1000_WUFC_EX)
1665 wol->wolopts |= WAKE_UCAST;
1666 if (adapter->wol & E1000_WUFC_MC)
1667 wol->wolopts |= WAKE_MCAST;
1668 if (adapter->wol & E1000_WUFC_BC)
1669 wol->wolopts |= WAKE_BCAST;
1670 if (adapter->wol & E1000_WUFC_MAG)
1671 wol->wolopts |= WAKE_MAGIC;
1674 static int e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1676 struct e1000_adapter *adapter = netdev_priv(netdev);
1677 struct e1000_hw *hw = &adapter->hw;
1679 if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
1682 if (e1000_wol_exclusion(adapter, wol) ||
1683 !device_can_wakeup(&adapter->pdev->dev))
1684 return wol->wolopts ? -EOPNOTSUPP : 0;
1686 switch (hw->device_id) {
1687 case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
1688 if (wol->wolopts & WAKE_UCAST) {
1689 e_err(drv, "Interface does not support directed "
1690 "(unicast) frame wake-up packets\n");
1698 /* these settings will always override what we currently have */
1701 if (wol->wolopts & WAKE_UCAST)
1702 adapter->wol |= E1000_WUFC_EX;
1703 if (wol->wolopts & WAKE_MCAST)
1704 adapter->wol |= E1000_WUFC_MC;
1705 if (wol->wolopts & WAKE_BCAST)
1706 adapter->wol |= E1000_WUFC_BC;
1707 if (wol->wolopts & WAKE_MAGIC)
1708 adapter->wol |= E1000_WUFC_MAG;
1710 device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
1715 static int e1000_set_phys_id(struct net_device *netdev,
1716 enum ethtool_phys_id_state state)
1718 struct e1000_adapter *adapter = netdev_priv(netdev);
1719 struct e1000_hw *hw = &adapter->hw;
1722 case ETHTOOL_ID_ACTIVE:
1723 e1000_setup_led(hw);
1730 case ETHTOOL_ID_OFF:
1734 case ETHTOOL_ID_INACTIVE:
1735 e1000_cleanup_led(hw);
1741 static int e1000_get_coalesce(struct net_device *netdev,
1742 struct ethtool_coalesce *ec)
1744 struct e1000_adapter *adapter = netdev_priv(netdev);
1746 if (adapter->hw.mac_type < e1000_82545)
1749 if (adapter->itr_setting <= 4)
1750 ec->rx_coalesce_usecs = adapter->itr_setting;
1752 ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting;
1757 static int e1000_set_coalesce(struct net_device *netdev,
1758 struct ethtool_coalesce *ec)
1760 struct e1000_adapter *adapter = netdev_priv(netdev);
1761 struct e1000_hw *hw = &adapter->hw;
1763 if (hw->mac_type < e1000_82545)
1766 if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) ||
1767 ((ec->rx_coalesce_usecs > 4) &&
1768 (ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) ||
1769 (ec->rx_coalesce_usecs == 2))
1772 if (ec->rx_coalesce_usecs == 4) {
1773 adapter->itr = adapter->itr_setting = 4;
1774 } else if (ec->rx_coalesce_usecs <= 3) {
1775 adapter->itr = 20000;
1776 adapter->itr_setting = ec->rx_coalesce_usecs;
1778 adapter->itr = (1000000 / ec->rx_coalesce_usecs);
1779 adapter->itr_setting = adapter->itr & ~3;
1782 if (adapter->itr_setting != 0)
1783 ew32(ITR, 1000000000 / (adapter->itr * 256));
1790 static int e1000_nway_reset(struct net_device *netdev)
1792 struct e1000_adapter *adapter = netdev_priv(netdev);
1794 if (netif_running(netdev))
1795 e1000_reinit_locked(adapter);
1799 static void e1000_get_ethtool_stats(struct net_device *netdev,
1800 struct ethtool_stats *stats, u64 *data)
1802 struct e1000_adapter *adapter = netdev_priv(netdev);
1804 const struct e1000_stats *stat = e1000_gstrings_stats;
1806 e1000_update_stats(adapter);
1807 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++, stat++) {
1810 switch (stat->type) {
1812 p = (char *)netdev + stat->stat_offset;
1815 p = (char *)adapter + stat->stat_offset;
1818 netdev_WARN_ONCE(netdev, "Invalid E1000 stat type: %u index %d\n",
1823 if (stat->sizeof_stat == sizeof(u64))
1824 data[i] = *(u64 *)p;
1826 data[i] = *(u32 *)p;
1828 /* BUG_ON(i != E1000_STATS_LEN); */
1831 static void e1000_get_strings(struct net_device *netdev, u32 stringset,
1837 switch (stringset) {
1839 memcpy(data, e1000_gstrings_test, sizeof(e1000_gstrings_test));
1842 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1843 memcpy(p, e1000_gstrings_stats[i].stat_string,
1845 p += ETH_GSTRING_LEN;
1847 /* BUG_ON(p - data != E1000_STATS_LEN * ETH_GSTRING_LEN); */
1852 static const struct ethtool_ops e1000_ethtool_ops = {
1853 .supported_coalesce_params = ETHTOOL_COALESCE_RX_USECS,
1854 .get_drvinfo = e1000_get_drvinfo,
1855 .get_regs_len = e1000_get_regs_len,
1856 .get_regs = e1000_get_regs,
1857 .get_wol = e1000_get_wol,
1858 .set_wol = e1000_set_wol,
1859 .get_msglevel = e1000_get_msglevel,
1860 .set_msglevel = e1000_set_msglevel,
1861 .nway_reset = e1000_nway_reset,
1862 .get_link = e1000_get_link,
1863 .get_eeprom_len = e1000_get_eeprom_len,
1864 .get_eeprom = e1000_get_eeprom,
1865 .set_eeprom = e1000_set_eeprom,
1866 .get_ringparam = e1000_get_ringparam,
1867 .set_ringparam = e1000_set_ringparam,
1868 .get_pauseparam = e1000_get_pauseparam,
1869 .set_pauseparam = e1000_set_pauseparam,
1870 .self_test = e1000_diag_test,
1871 .get_strings = e1000_get_strings,
1872 .set_phys_id = e1000_set_phys_id,
1873 .get_ethtool_stats = e1000_get_ethtool_stats,
1874 .get_sset_count = e1000_get_sset_count,
1875 .get_coalesce = e1000_get_coalesce,
1876 .set_coalesce = e1000_set_coalesce,
1877 .get_ts_info = ethtool_op_get_ts_info,
1878 .get_link_ksettings = e1000_get_link_ksettings,
1879 .set_link_ksettings = e1000_set_link_ksettings,
1882 void e1000_set_ethtool_ops(struct net_device *netdev)
1884 netdev->ethtool_ops = &e1000_ethtool_ops;