1 /*******************************************************************************
2 * Intel PRO/1000 Linux driver
3 * Copyright(c) 1999 - 2006 Intel Corporation.
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms and conditions of the GNU General Public License,
7 * version 2, as published by the Free Software Foundation.
9 * This program is distributed in the hope it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14 * The full GNU General Public License is included in this distribution in
15 * the file called "COPYING".
17 * Contact Information:
18 * Linux NICS <linux.nics@intel.com>
19 * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
20 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
22 ******************************************************************************/
24 /* ethtool support for e1000 */
27 #include <linux/uaccess.h>
29 enum {NETDEV_STATS, E1000_STATS};
32 char stat_string[ETH_GSTRING_LEN];
38 #define E1000_STAT(m) E1000_STATS, \
39 sizeof(((struct e1000_adapter *)0)->m), \
40 offsetof(struct e1000_adapter, m)
41 #define E1000_NETDEV_STAT(m) NETDEV_STATS, \
42 sizeof(((struct net_device *)0)->m), \
43 offsetof(struct net_device, m)
45 static const struct e1000_stats e1000_gstrings_stats[] = {
46 { "rx_packets", E1000_STAT(stats.gprc) },
47 { "tx_packets", E1000_STAT(stats.gptc) },
48 { "rx_bytes", E1000_STAT(stats.gorcl) },
49 { "tx_bytes", E1000_STAT(stats.gotcl) },
50 { "rx_broadcast", E1000_STAT(stats.bprc) },
51 { "tx_broadcast", E1000_STAT(stats.bptc) },
52 { "rx_multicast", E1000_STAT(stats.mprc) },
53 { "tx_multicast", E1000_STAT(stats.mptc) },
54 { "rx_errors", E1000_STAT(stats.rxerrc) },
55 { "tx_errors", E1000_STAT(stats.txerrc) },
56 { "tx_dropped", E1000_NETDEV_STAT(stats.tx_dropped) },
57 { "multicast", E1000_STAT(stats.mprc) },
58 { "collisions", E1000_STAT(stats.colc) },
59 { "rx_length_errors", E1000_STAT(stats.rlerrc) },
60 { "rx_over_errors", E1000_NETDEV_STAT(stats.rx_over_errors) },
61 { "rx_crc_errors", E1000_STAT(stats.crcerrs) },
62 { "rx_frame_errors", E1000_NETDEV_STAT(stats.rx_frame_errors) },
63 { "rx_no_buffer_count", E1000_STAT(stats.rnbc) },
64 { "rx_missed_errors", E1000_STAT(stats.mpc) },
65 { "tx_aborted_errors", E1000_STAT(stats.ecol) },
66 { "tx_carrier_errors", E1000_STAT(stats.tncrs) },
67 { "tx_fifo_errors", E1000_NETDEV_STAT(stats.tx_fifo_errors) },
68 { "tx_heartbeat_errors", E1000_NETDEV_STAT(stats.tx_heartbeat_errors) },
69 { "tx_window_errors", E1000_STAT(stats.latecol) },
70 { "tx_abort_late_coll", E1000_STAT(stats.latecol) },
71 { "tx_deferred_ok", E1000_STAT(stats.dc) },
72 { "tx_single_coll_ok", E1000_STAT(stats.scc) },
73 { "tx_multi_coll_ok", E1000_STAT(stats.mcc) },
74 { "tx_timeout_count", E1000_STAT(tx_timeout_count) },
75 { "tx_restart_queue", E1000_STAT(restart_queue) },
76 { "rx_long_length_errors", E1000_STAT(stats.roc) },
77 { "rx_short_length_errors", E1000_STAT(stats.ruc) },
78 { "rx_align_errors", E1000_STAT(stats.algnerrc) },
79 { "tx_tcp_seg_good", E1000_STAT(stats.tsctc) },
80 { "tx_tcp_seg_failed", E1000_STAT(stats.tsctfc) },
81 { "rx_flow_control_xon", E1000_STAT(stats.xonrxc) },
82 { "rx_flow_control_xoff", E1000_STAT(stats.xoffrxc) },
83 { "tx_flow_control_xon", E1000_STAT(stats.xontxc) },
84 { "tx_flow_control_xoff", E1000_STAT(stats.xofftxc) },
85 { "rx_long_byte_count", E1000_STAT(stats.gorcl) },
86 { "rx_csum_offload_good", E1000_STAT(hw_csum_good) },
87 { "rx_csum_offload_errors", E1000_STAT(hw_csum_err) },
88 { "alloc_rx_buff_failed", E1000_STAT(alloc_rx_buff_failed) },
89 { "tx_smbus", E1000_STAT(stats.mgptc) },
90 { "rx_smbus", E1000_STAT(stats.mgprc) },
91 { "dropped_smbus", E1000_STAT(stats.mgpdc) },
94 #define E1000_QUEUE_STATS_LEN 0
95 #define E1000_GLOBAL_STATS_LEN ARRAY_SIZE(e1000_gstrings_stats)
96 #define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN + E1000_QUEUE_STATS_LEN)
97 static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = {
98 "Register test (offline)", "Eeprom test (offline)",
99 "Interrupt test (offline)", "Loopback test (offline)",
100 "Link test (on/offline)"
103 #define E1000_TEST_LEN ARRAY_SIZE(e1000_gstrings_test)
105 static int e1000_get_settings(struct net_device *netdev,
106 struct ethtool_cmd *ecmd)
108 struct e1000_adapter *adapter = netdev_priv(netdev);
109 struct e1000_hw *hw = &adapter->hw;
111 if (hw->media_type == e1000_media_type_copper) {
112 ecmd->supported = (SUPPORTED_10baseT_Half |
113 SUPPORTED_10baseT_Full |
114 SUPPORTED_100baseT_Half |
115 SUPPORTED_100baseT_Full |
116 SUPPORTED_1000baseT_Full|
119 ecmd->advertising = ADVERTISED_TP;
121 if (hw->autoneg == 1) {
122 ecmd->advertising |= ADVERTISED_Autoneg;
123 /* the e1000 autoneg seems to match ethtool nicely */
124 ecmd->advertising |= hw->autoneg_advertised;
127 ecmd->port = PORT_TP;
128 ecmd->phy_address = hw->phy_addr;
130 if (hw->mac_type == e1000_82543)
131 ecmd->transceiver = XCVR_EXTERNAL;
133 ecmd->transceiver = XCVR_INTERNAL;
136 ecmd->supported = (SUPPORTED_1000baseT_Full |
140 ecmd->advertising = (ADVERTISED_1000baseT_Full |
144 ecmd->port = PORT_FIBRE;
146 if (hw->mac_type >= e1000_82545)
147 ecmd->transceiver = XCVR_INTERNAL;
149 ecmd->transceiver = XCVR_EXTERNAL;
152 if (er32(STATUS) & E1000_STATUS_LU) {
153 e1000_get_speed_and_duplex(hw, &adapter->link_speed,
154 &adapter->link_duplex);
155 ethtool_cmd_speed_set(ecmd, adapter->link_speed);
157 /* unfortunately FULL_DUPLEX != DUPLEX_FULL
158 * and HALF_DUPLEX != DUPLEX_HALF
160 if (adapter->link_duplex == FULL_DUPLEX)
161 ecmd->duplex = DUPLEX_FULL;
163 ecmd->duplex = DUPLEX_HALF;
165 ethtool_cmd_speed_set(ecmd, SPEED_UNKNOWN);
166 ecmd->duplex = DUPLEX_UNKNOWN;
169 ecmd->autoneg = ((hw->media_type == e1000_media_type_fiber) ||
170 hw->autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE;
172 /* MDI-X => 1; MDI => 0 */
173 if ((hw->media_type == e1000_media_type_copper) &&
174 netif_carrier_ok(netdev))
175 ecmd->eth_tp_mdix = (!!adapter->phy_info.mdix_mode ?
176 ETH_TP_MDI_X : ETH_TP_MDI);
178 ecmd->eth_tp_mdix = ETH_TP_MDI_INVALID;
180 if (hw->mdix == AUTO_ALL_MODES)
181 ecmd->eth_tp_mdix_ctrl = ETH_TP_MDI_AUTO;
183 ecmd->eth_tp_mdix_ctrl = hw->mdix;
187 static int e1000_set_settings(struct net_device *netdev,
188 struct ethtool_cmd *ecmd)
190 struct e1000_adapter *adapter = netdev_priv(netdev);
191 struct e1000_hw *hw = &adapter->hw;
193 /* MDI setting is only allowed when autoneg enabled because
194 * some hardware doesn't allow MDI setting when speed or
197 if (ecmd->eth_tp_mdix_ctrl) {
198 if (hw->media_type != e1000_media_type_copper)
201 if ((ecmd->eth_tp_mdix_ctrl != ETH_TP_MDI_AUTO) &&
202 (ecmd->autoneg != AUTONEG_ENABLE)) {
203 e_err(drv, "forcing MDI/MDI-X state is not supported when link speed and/or duplex are forced\n");
208 while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
211 if (ecmd->autoneg == AUTONEG_ENABLE) {
213 if (hw->media_type == e1000_media_type_fiber)
214 hw->autoneg_advertised = ADVERTISED_1000baseT_Full |
218 hw->autoneg_advertised = ecmd->advertising |
221 ecmd->advertising = hw->autoneg_advertised;
223 u32 speed = ethtool_cmd_speed(ecmd);
224 /* calling this overrides forced MDI setting */
225 if (e1000_set_spd_dplx(adapter, speed, ecmd->duplex)) {
226 clear_bit(__E1000_RESETTING, &adapter->flags);
231 /* MDI-X => 2; MDI => 1; Auto => 3 */
232 if (ecmd->eth_tp_mdix_ctrl) {
233 if (ecmd->eth_tp_mdix_ctrl == ETH_TP_MDI_AUTO)
234 hw->mdix = AUTO_ALL_MODES;
236 hw->mdix = ecmd->eth_tp_mdix_ctrl;
241 if (netif_running(adapter->netdev)) {
245 e1000_reset(adapter);
247 clear_bit(__E1000_RESETTING, &adapter->flags);
251 static u32 e1000_get_link(struct net_device *netdev)
253 struct e1000_adapter *adapter = netdev_priv(netdev);
255 /* If the link is not reported up to netdev, interrupts are disabled,
256 * and so the physical link state may have changed since we last
257 * looked. Set get_link_status to make sure that the true link
258 * state is interrogated, rather than pulling a cached and possibly
259 * stale link state from the driver.
261 if (!netif_carrier_ok(netdev))
262 adapter->hw.get_link_status = 1;
264 return e1000_has_link(adapter);
267 static void e1000_get_pauseparam(struct net_device *netdev,
268 struct ethtool_pauseparam *pause)
270 struct e1000_adapter *adapter = netdev_priv(netdev);
271 struct e1000_hw *hw = &adapter->hw;
274 (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE);
276 if (hw->fc == E1000_FC_RX_PAUSE) {
278 } else if (hw->fc == E1000_FC_TX_PAUSE) {
280 } else if (hw->fc == E1000_FC_FULL) {
286 static int e1000_set_pauseparam(struct net_device *netdev,
287 struct ethtool_pauseparam *pause)
289 struct e1000_adapter *adapter = netdev_priv(netdev);
290 struct e1000_hw *hw = &adapter->hw;
293 adapter->fc_autoneg = pause->autoneg;
295 while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
298 if (pause->rx_pause && pause->tx_pause)
299 hw->fc = E1000_FC_FULL;
300 else if (pause->rx_pause && !pause->tx_pause)
301 hw->fc = E1000_FC_RX_PAUSE;
302 else if (!pause->rx_pause && pause->tx_pause)
303 hw->fc = E1000_FC_TX_PAUSE;
304 else if (!pause->rx_pause && !pause->tx_pause)
305 hw->fc = E1000_FC_NONE;
307 hw->original_fc = hw->fc;
309 if (adapter->fc_autoneg == AUTONEG_ENABLE) {
310 if (netif_running(adapter->netdev)) {
314 e1000_reset(adapter);
317 retval = ((hw->media_type == e1000_media_type_fiber) ?
318 e1000_setup_link(hw) : e1000_force_mac_fc(hw));
320 clear_bit(__E1000_RESETTING, &adapter->flags);
324 static u32 e1000_get_msglevel(struct net_device *netdev)
326 struct e1000_adapter *adapter = netdev_priv(netdev);
328 return adapter->msg_enable;
331 static void e1000_set_msglevel(struct net_device *netdev, u32 data)
333 struct e1000_adapter *adapter = netdev_priv(netdev);
335 adapter->msg_enable = data;
338 static int e1000_get_regs_len(struct net_device *netdev)
340 #define E1000_REGS_LEN 32
341 return E1000_REGS_LEN * sizeof(u32);
344 static void e1000_get_regs(struct net_device *netdev, struct ethtool_regs *regs,
347 struct e1000_adapter *adapter = netdev_priv(netdev);
348 struct e1000_hw *hw = &adapter->hw;
352 memset(p, 0, E1000_REGS_LEN * sizeof(u32));
354 regs->version = (1 << 24) | (hw->revision_id << 16) | hw->device_id;
356 regs_buff[0] = er32(CTRL);
357 regs_buff[1] = er32(STATUS);
359 regs_buff[2] = er32(RCTL);
360 regs_buff[3] = er32(RDLEN);
361 regs_buff[4] = er32(RDH);
362 regs_buff[5] = er32(RDT);
363 regs_buff[6] = er32(RDTR);
365 regs_buff[7] = er32(TCTL);
366 regs_buff[8] = er32(TDLEN);
367 regs_buff[9] = er32(TDH);
368 regs_buff[10] = er32(TDT);
369 regs_buff[11] = er32(TIDV);
371 regs_buff[12] = hw->phy_type; /* PHY type (IGP=1, M88=0) */
372 if (hw->phy_type == e1000_phy_igp) {
373 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
374 IGP01E1000_PHY_AGC_A);
375 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_A &
376 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
377 regs_buff[13] = (u32)phy_data; /* cable length */
378 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
379 IGP01E1000_PHY_AGC_B);
380 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_B &
381 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
382 regs_buff[14] = (u32)phy_data; /* cable length */
383 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
384 IGP01E1000_PHY_AGC_C);
385 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_C &
386 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
387 regs_buff[15] = (u32)phy_data; /* cable length */
388 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
389 IGP01E1000_PHY_AGC_D);
390 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_D &
391 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
392 regs_buff[16] = (u32)phy_data; /* cable length */
393 regs_buff[17] = 0; /* extended 10bt distance (not needed) */
394 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0);
395 e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_STATUS &
396 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
397 regs_buff[18] = (u32)phy_data; /* cable polarity */
398 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
399 IGP01E1000_PHY_PCS_INIT_REG);
400 e1000_read_phy_reg(hw, IGP01E1000_PHY_PCS_INIT_REG &
401 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
402 regs_buff[19] = (u32)phy_data; /* cable polarity */
403 regs_buff[20] = 0; /* polarity correction enabled (always) */
404 regs_buff[22] = 0; /* phy receive errors (unavailable) */
405 regs_buff[23] = regs_buff[18]; /* mdix mode */
406 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0);
408 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
409 regs_buff[13] = (u32)phy_data; /* cable length */
410 regs_buff[14] = 0; /* Dummy (to align w/ IGP phy reg dump) */
411 regs_buff[15] = 0; /* Dummy (to align w/ IGP phy reg dump) */
412 regs_buff[16] = 0; /* Dummy (to align w/ IGP phy reg dump) */
413 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
414 regs_buff[17] = (u32)phy_data; /* extended 10bt distance */
415 regs_buff[18] = regs_buff[13]; /* cable polarity */
416 regs_buff[19] = 0; /* Dummy (to align w/ IGP phy reg dump) */
417 regs_buff[20] = regs_buff[17]; /* polarity correction */
418 /* phy receive errors */
419 regs_buff[22] = adapter->phy_stats.receive_errors;
420 regs_buff[23] = regs_buff[13]; /* mdix mode */
422 regs_buff[21] = adapter->phy_stats.idle_errors; /* phy idle errors */
423 e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_data);
424 regs_buff[24] = (u32)phy_data; /* phy local receiver status */
425 regs_buff[25] = regs_buff[24]; /* phy remote receiver status */
426 if (hw->mac_type >= e1000_82540 &&
427 hw->media_type == e1000_media_type_copper) {
428 regs_buff[26] = er32(MANC);
432 static int e1000_get_eeprom_len(struct net_device *netdev)
434 struct e1000_adapter *adapter = netdev_priv(netdev);
435 struct e1000_hw *hw = &adapter->hw;
437 return hw->eeprom.word_size * 2;
440 static int e1000_get_eeprom(struct net_device *netdev,
441 struct ethtool_eeprom *eeprom, u8 *bytes)
443 struct e1000_adapter *adapter = netdev_priv(netdev);
444 struct e1000_hw *hw = &adapter->hw;
446 int first_word, last_word;
450 if (eeprom->len == 0)
453 eeprom->magic = hw->vendor_id | (hw->device_id << 16);
455 first_word = eeprom->offset >> 1;
456 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
458 eeprom_buff = kmalloc(sizeof(u16) *
459 (last_word - first_word + 1), GFP_KERNEL);
463 if (hw->eeprom.type == e1000_eeprom_spi)
464 ret_val = e1000_read_eeprom(hw, first_word,
465 last_word - first_word + 1,
468 for (i = 0; i < last_word - first_word + 1; i++) {
469 ret_val = e1000_read_eeprom(hw, first_word + i, 1,
476 /* Device's eeprom is always little-endian, word addressable */
477 for (i = 0; i < last_word - first_word + 1; i++)
478 le16_to_cpus(&eeprom_buff[i]);
480 memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1),
487 static int e1000_set_eeprom(struct net_device *netdev,
488 struct ethtool_eeprom *eeprom, u8 *bytes)
490 struct e1000_adapter *adapter = netdev_priv(netdev);
491 struct e1000_hw *hw = &adapter->hw;
494 int max_len, first_word, last_word, ret_val = 0;
497 if (eeprom->len == 0)
500 if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
503 max_len = hw->eeprom.word_size * 2;
505 first_word = eeprom->offset >> 1;
506 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
507 eeprom_buff = kmalloc(max_len, GFP_KERNEL);
511 ptr = (void *)eeprom_buff;
513 if (eeprom->offset & 1) {
514 /* need read/modify/write of first changed EEPROM word
515 * only the second byte of the word is being modified
517 ret_val = e1000_read_eeprom(hw, first_word, 1,
521 if (((eeprom->offset + eeprom->len) & 1) && (ret_val == 0)) {
522 /* need read/modify/write of last changed EEPROM word
523 * only the first byte of the word is being modified
525 ret_val = e1000_read_eeprom(hw, last_word, 1,
526 &eeprom_buff[last_word - first_word]);
529 /* Device's eeprom is always little-endian, word addressable */
530 for (i = 0; i < last_word - first_word + 1; i++)
531 le16_to_cpus(&eeprom_buff[i]);
533 memcpy(ptr, bytes, eeprom->len);
535 for (i = 0; i < last_word - first_word + 1; i++)
536 eeprom_buff[i] = cpu_to_le16(eeprom_buff[i]);
538 ret_val = e1000_write_eeprom(hw, first_word,
539 last_word - first_word + 1, eeprom_buff);
541 /* Update the checksum over the first part of the EEPROM if needed */
542 if ((ret_val == 0) && (first_word <= EEPROM_CHECKSUM_REG))
543 e1000_update_eeprom_checksum(hw);
549 static void e1000_get_drvinfo(struct net_device *netdev,
550 struct ethtool_drvinfo *drvinfo)
552 struct e1000_adapter *adapter = netdev_priv(netdev);
554 strlcpy(drvinfo->driver, e1000_driver_name,
555 sizeof(drvinfo->driver));
556 strlcpy(drvinfo->version, e1000_driver_version,
557 sizeof(drvinfo->version));
559 strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
560 sizeof(drvinfo->bus_info));
561 drvinfo->regdump_len = e1000_get_regs_len(netdev);
562 drvinfo->eedump_len = e1000_get_eeprom_len(netdev);
565 static void e1000_get_ringparam(struct net_device *netdev,
566 struct ethtool_ringparam *ring)
568 struct e1000_adapter *adapter = netdev_priv(netdev);
569 struct e1000_hw *hw = &adapter->hw;
570 e1000_mac_type mac_type = hw->mac_type;
571 struct e1000_tx_ring *txdr = adapter->tx_ring;
572 struct e1000_rx_ring *rxdr = adapter->rx_ring;
574 ring->rx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_RXD :
576 ring->tx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_TXD :
578 ring->rx_pending = rxdr->count;
579 ring->tx_pending = txdr->count;
582 static int e1000_set_ringparam(struct net_device *netdev,
583 struct ethtool_ringparam *ring)
585 struct e1000_adapter *adapter = netdev_priv(netdev);
586 struct e1000_hw *hw = &adapter->hw;
587 e1000_mac_type mac_type = hw->mac_type;
588 struct e1000_tx_ring *txdr, *tx_old;
589 struct e1000_rx_ring *rxdr, *rx_old;
592 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
595 while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
598 if (netif_running(adapter->netdev))
601 tx_old = adapter->tx_ring;
602 rx_old = adapter->rx_ring;
605 txdr = kcalloc(adapter->num_tx_queues, sizeof(struct e1000_tx_ring),
610 rxdr = kcalloc(adapter->num_rx_queues, sizeof(struct e1000_rx_ring),
615 adapter->tx_ring = txdr;
616 adapter->rx_ring = rxdr;
618 rxdr->count = max(ring->rx_pending, (u32)E1000_MIN_RXD);
619 rxdr->count = min(rxdr->count, (u32)(mac_type < e1000_82544 ?
620 E1000_MAX_RXD : E1000_MAX_82544_RXD));
621 rxdr->count = ALIGN(rxdr->count, REQ_RX_DESCRIPTOR_MULTIPLE);
622 txdr->count = max(ring->tx_pending, (u32)E1000_MIN_TXD);
623 txdr->count = min(txdr->count, (u32)(mac_type < e1000_82544 ?
624 E1000_MAX_TXD : E1000_MAX_82544_TXD));
625 txdr->count = ALIGN(txdr->count, REQ_TX_DESCRIPTOR_MULTIPLE);
627 for (i = 0; i < adapter->num_tx_queues; i++)
628 txdr[i].count = txdr->count;
629 for (i = 0; i < adapter->num_rx_queues; i++)
630 rxdr[i].count = rxdr->count;
632 if (netif_running(adapter->netdev)) {
633 /* Try to get new resources before deleting old */
634 err = e1000_setup_all_rx_resources(adapter);
637 err = e1000_setup_all_tx_resources(adapter);
641 /* save the new, restore the old in order to free it,
642 * then restore the new back again
645 adapter->rx_ring = rx_old;
646 adapter->tx_ring = tx_old;
647 e1000_free_all_rx_resources(adapter);
648 e1000_free_all_tx_resources(adapter);
651 adapter->rx_ring = rxdr;
652 adapter->tx_ring = txdr;
653 err = e1000_up(adapter);
658 clear_bit(__E1000_RESETTING, &adapter->flags);
661 e1000_free_all_rx_resources(adapter);
663 adapter->rx_ring = rx_old;
664 adapter->tx_ring = tx_old;
671 clear_bit(__E1000_RESETTING, &adapter->flags);
675 static bool reg_pattern_test(struct e1000_adapter *adapter, u64 *data, int reg,
678 struct e1000_hw *hw = &adapter->hw;
679 static const u32 test[] = {
680 0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF
682 u8 __iomem *address = hw->hw_addr + reg;
686 for (i = 0; i < ARRAY_SIZE(test); i++) {
687 writel(write & test[i], address);
688 read = readl(address);
689 if (read != (write & test[i] & mask)) {
690 e_err(drv, "pattern test reg %04X failed: "
691 "got 0x%08X expected 0x%08X\n",
692 reg, read, (write & test[i] & mask));
700 static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data, int reg,
703 struct e1000_hw *hw = &adapter->hw;
704 u8 __iomem *address = hw->hw_addr + reg;
707 writel(write & mask, address);
708 read = readl(address);
709 if ((read & mask) != (write & mask)) {
710 e_err(drv, "set/check reg %04X test failed: "
711 "got 0x%08X expected 0x%08X\n",
712 reg, (read & mask), (write & mask));
719 #define REG_PATTERN_TEST(reg, mask, write) \
721 if (reg_pattern_test(adapter, data, \
722 (hw->mac_type >= e1000_82543) \
723 ? E1000_##reg : E1000_82542_##reg, \
728 #define REG_SET_AND_CHECK(reg, mask, write) \
730 if (reg_set_and_check(adapter, data, \
731 (hw->mac_type >= e1000_82543) \
732 ? E1000_##reg : E1000_82542_##reg, \
737 static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data)
739 u32 value, before, after;
741 struct e1000_hw *hw = &adapter->hw;
743 /* The status register is Read Only, so a write should fail.
744 * Some bits that get toggled are ignored.
747 /* there are several bits on newer hardware that are r/w */
750 before = er32(STATUS);
751 value = (er32(STATUS) & toggle);
752 ew32(STATUS, toggle);
753 after = er32(STATUS) & toggle;
754 if (value != after) {
755 e_err(drv, "failed STATUS register test got: "
756 "0x%08X expected: 0x%08X\n", after, value);
760 /* restore previous status */
761 ew32(STATUS, before);
763 REG_PATTERN_TEST(FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
764 REG_PATTERN_TEST(FCAH, 0x0000FFFF, 0xFFFFFFFF);
765 REG_PATTERN_TEST(FCT, 0x0000FFFF, 0xFFFFFFFF);
766 REG_PATTERN_TEST(VET, 0x0000FFFF, 0xFFFFFFFF);
768 REG_PATTERN_TEST(RDTR, 0x0000FFFF, 0xFFFFFFFF);
769 REG_PATTERN_TEST(RDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
770 REG_PATTERN_TEST(RDLEN, 0x000FFF80, 0x000FFFFF);
771 REG_PATTERN_TEST(RDH, 0x0000FFFF, 0x0000FFFF);
772 REG_PATTERN_TEST(RDT, 0x0000FFFF, 0x0000FFFF);
773 REG_PATTERN_TEST(FCRTH, 0x0000FFF8, 0x0000FFF8);
774 REG_PATTERN_TEST(FCTTV, 0x0000FFFF, 0x0000FFFF);
775 REG_PATTERN_TEST(TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
776 REG_PATTERN_TEST(TDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
777 REG_PATTERN_TEST(TDLEN, 0x000FFF80, 0x000FFFFF);
779 REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x00000000);
782 REG_SET_AND_CHECK(RCTL, before, 0x003FFFFB);
783 REG_SET_AND_CHECK(TCTL, 0xFFFFFFFF, 0x00000000);
785 if (hw->mac_type >= e1000_82543) {
786 REG_SET_AND_CHECK(RCTL, before, 0xFFFFFFFF);
787 REG_PATTERN_TEST(RDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
788 REG_PATTERN_TEST(TXCW, 0xC000FFFF, 0x0000FFFF);
789 REG_PATTERN_TEST(TDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
790 REG_PATTERN_TEST(TIDV, 0x0000FFFF, 0x0000FFFF);
791 value = E1000_RAR_ENTRIES;
792 for (i = 0; i < value; i++) {
793 REG_PATTERN_TEST(RA + (((i << 1) + 1) << 2),
794 0x8003FFFF, 0xFFFFFFFF);
797 REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x01FFFFFF);
798 REG_PATTERN_TEST(RDBAL, 0xFFFFF000, 0xFFFFFFFF);
799 REG_PATTERN_TEST(TXCW, 0x0000FFFF, 0x0000FFFF);
800 REG_PATTERN_TEST(TDBAL, 0xFFFFF000, 0xFFFFFFFF);
803 value = E1000_MC_TBL_SIZE;
804 for (i = 0; i < value; i++)
805 REG_PATTERN_TEST(MTA + (i << 2), 0xFFFFFFFF, 0xFFFFFFFF);
811 static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data)
813 struct e1000_hw *hw = &adapter->hw;
819 /* Read and add up the contents of the EEPROM */
820 for (i = 0; i < (EEPROM_CHECKSUM_REG + 1); i++) {
821 if ((e1000_read_eeprom(hw, i, 1, &temp)) < 0) {
828 /* If Checksum is not Correct return error else test passed */
829 if ((checksum != (u16)EEPROM_SUM) && !(*data))
835 static irqreturn_t e1000_test_intr(int irq, void *data)
837 struct net_device *netdev = (struct net_device *)data;
838 struct e1000_adapter *adapter = netdev_priv(netdev);
839 struct e1000_hw *hw = &adapter->hw;
841 adapter->test_icr |= er32(ICR);
846 static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data)
848 struct net_device *netdev = adapter->netdev;
850 bool shared_int = true;
851 u32 irq = adapter->pdev->irq;
852 struct e1000_hw *hw = &adapter->hw;
856 /* NOTE: we don't test MSI interrupts here, yet
857 * Hook up test interrupt handler just for this test
859 if (!request_irq(irq, e1000_test_intr, IRQF_PROBE_SHARED, netdev->name,
862 else if (request_irq(irq, e1000_test_intr, IRQF_SHARED,
863 netdev->name, netdev)) {
867 e_info(hw, "testing %s interrupt\n", (shared_int ?
868 "shared" : "unshared"));
870 /* Disable all the interrupts */
871 ew32(IMC, 0xFFFFFFFF);
875 /* Test each interrupt */
876 for (; i < 10; i++) {
877 /* Interrupt to test */
881 /* Disable the interrupt to be reported in
882 * the cause register and then force the same
883 * interrupt and see if one gets posted. If
884 * an interrupt was posted to the bus, the
887 adapter->test_icr = 0;
893 if (adapter->test_icr & mask) {
899 /* Enable the interrupt to be reported in
900 * the cause register and then force the same
901 * interrupt and see if one gets posted. If
902 * an interrupt was not posted to the bus, the
905 adapter->test_icr = 0;
911 if (!(adapter->test_icr & mask)) {
917 /* Disable the other interrupts to be reported in
918 * the cause register and then force the other
919 * interrupts and see if any get posted. If
920 * an interrupt was posted to the bus, the
923 adapter->test_icr = 0;
924 ew32(IMC, ~mask & 0x00007FFF);
925 ew32(ICS, ~mask & 0x00007FFF);
929 if (adapter->test_icr) {
936 /* Disable all the interrupts */
937 ew32(IMC, 0xFFFFFFFF);
941 /* Unhook test interrupt handler */
942 free_irq(irq, netdev);
947 static void e1000_free_desc_rings(struct e1000_adapter *adapter)
949 struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
950 struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
951 struct pci_dev *pdev = adapter->pdev;
954 if (txdr->desc && txdr->buffer_info) {
955 for (i = 0; i < txdr->count; i++) {
956 if (txdr->buffer_info[i].dma)
957 dma_unmap_single(&pdev->dev,
958 txdr->buffer_info[i].dma,
959 txdr->buffer_info[i].length,
961 if (txdr->buffer_info[i].skb)
962 dev_kfree_skb(txdr->buffer_info[i].skb);
966 if (rxdr->desc && rxdr->buffer_info) {
967 for (i = 0; i < rxdr->count; i++) {
968 if (rxdr->buffer_info[i].dma)
969 dma_unmap_single(&pdev->dev,
970 rxdr->buffer_info[i].dma,
971 rxdr->buffer_info[i].length,
973 if (rxdr->buffer_info[i].skb)
974 dev_kfree_skb(rxdr->buffer_info[i].skb);
979 dma_free_coherent(&pdev->dev, txdr->size, txdr->desc,
984 dma_free_coherent(&pdev->dev, rxdr->size, rxdr->desc,
989 kfree(txdr->buffer_info);
990 txdr->buffer_info = NULL;
991 kfree(rxdr->buffer_info);
992 rxdr->buffer_info = NULL;
995 static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
997 struct e1000_hw *hw = &adapter->hw;
998 struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
999 struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
1000 struct pci_dev *pdev = adapter->pdev;
1004 /* Setup Tx descriptor ring and Tx buffers */
1007 txdr->count = E1000_DEFAULT_TXD;
1009 txdr->buffer_info = kcalloc(txdr->count, sizeof(struct e1000_buffer),
1011 if (!txdr->buffer_info) {
1016 txdr->size = txdr->count * sizeof(struct e1000_tx_desc);
1017 txdr->size = ALIGN(txdr->size, 4096);
1018 txdr->desc = dma_zalloc_coherent(&pdev->dev, txdr->size, &txdr->dma,
1024 txdr->next_to_use = txdr->next_to_clean = 0;
1026 ew32(TDBAL, ((u64)txdr->dma & 0x00000000FFFFFFFF));
1027 ew32(TDBAH, ((u64)txdr->dma >> 32));
1028 ew32(TDLEN, txdr->count * sizeof(struct e1000_tx_desc));
1031 ew32(TCTL, E1000_TCTL_PSP | E1000_TCTL_EN |
1032 E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
1033 E1000_FDX_COLLISION_DISTANCE << E1000_COLD_SHIFT);
1035 for (i = 0; i < txdr->count; i++) {
1036 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*txdr, i);
1037 struct sk_buff *skb;
1038 unsigned int size = 1024;
1040 skb = alloc_skb(size, GFP_KERNEL);
1046 txdr->buffer_info[i].skb = skb;
1047 txdr->buffer_info[i].length = skb->len;
1048 txdr->buffer_info[i].dma =
1049 dma_map_single(&pdev->dev, skb->data, skb->len,
1051 if (dma_mapping_error(&pdev->dev, txdr->buffer_info[i].dma)) {
1055 tx_desc->buffer_addr = cpu_to_le64(txdr->buffer_info[i].dma);
1056 tx_desc->lower.data = cpu_to_le32(skb->len);
1057 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
1058 E1000_TXD_CMD_IFCS |
1060 tx_desc->upper.data = 0;
1063 /* Setup Rx descriptor ring and Rx buffers */
1066 rxdr->count = E1000_DEFAULT_RXD;
1068 rxdr->buffer_info = kcalloc(rxdr->count, sizeof(struct e1000_buffer),
1070 if (!rxdr->buffer_info) {
1075 rxdr->size = rxdr->count * sizeof(struct e1000_rx_desc);
1076 rxdr->desc = dma_zalloc_coherent(&pdev->dev, rxdr->size, &rxdr->dma,
1082 rxdr->next_to_use = rxdr->next_to_clean = 0;
1085 ew32(RCTL, rctl & ~E1000_RCTL_EN);
1086 ew32(RDBAL, ((u64)rxdr->dma & 0xFFFFFFFF));
1087 ew32(RDBAH, ((u64)rxdr->dma >> 32));
1088 ew32(RDLEN, rxdr->size);
1091 rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
1092 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
1093 (hw->mc_filter_type << E1000_RCTL_MO_SHIFT);
1096 for (i = 0; i < rxdr->count; i++) {
1097 struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rxdr, i);
1098 struct sk_buff *skb;
1100 skb = alloc_skb(E1000_RXBUFFER_2048 + NET_IP_ALIGN, GFP_KERNEL);
1105 skb_reserve(skb, NET_IP_ALIGN);
1106 rxdr->buffer_info[i].skb = skb;
1107 rxdr->buffer_info[i].length = E1000_RXBUFFER_2048;
1108 rxdr->buffer_info[i].dma =
1109 dma_map_single(&pdev->dev, skb->data,
1110 E1000_RXBUFFER_2048, DMA_FROM_DEVICE);
1111 if (dma_mapping_error(&pdev->dev, rxdr->buffer_info[i].dma)) {
1115 rx_desc->buffer_addr = cpu_to_le64(rxdr->buffer_info[i].dma);
1116 memset(skb->data, 0x00, skb->len);
1122 e1000_free_desc_rings(adapter);
1126 static void e1000_phy_disable_receiver(struct e1000_adapter *adapter)
1128 struct e1000_hw *hw = &adapter->hw;
1130 /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1131 e1000_write_phy_reg(hw, 29, 0x001F);
1132 e1000_write_phy_reg(hw, 30, 0x8FFC);
1133 e1000_write_phy_reg(hw, 29, 0x001A);
1134 e1000_write_phy_reg(hw, 30, 0x8FF0);
1137 static void e1000_phy_reset_clk_and_crs(struct e1000_adapter *adapter)
1139 struct e1000_hw *hw = &adapter->hw;
1142 /* Because we reset the PHY above, we need to re-force TX_CLK in the
1143 * Extended PHY Specific Control Register to 25MHz clock. This
1144 * value defaults back to a 2.5MHz clock when the PHY is reset.
1146 e1000_read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
1147 phy_reg |= M88E1000_EPSCR_TX_CLK_25;
1148 e1000_write_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, phy_reg);
1150 /* In addition, because of the s/w reset above, we need to enable
1151 * CRS on TX. This must be set for both full and half duplex
1154 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);
1155 phy_reg |= M88E1000_PSCR_ASSERT_CRS_ON_TX;
1156 e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_reg);
1159 static int e1000_nonintegrated_phy_loopback(struct e1000_adapter *adapter)
1161 struct e1000_hw *hw = &adapter->hw;
1165 /* Setup the Device Control Register for PHY loopback test. */
1167 ctrl_reg = er32(CTRL);
1168 ctrl_reg |= (E1000_CTRL_ILOS | /* Invert Loss-Of-Signal */
1169 E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1170 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1171 E1000_CTRL_SPD_1000 | /* Force Speed to 1000 */
1172 E1000_CTRL_FD); /* Force Duplex to FULL */
1174 ew32(CTRL, ctrl_reg);
1176 /* Read the PHY Specific Control Register (0x10) */
1177 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);
1179 /* Clear Auto-Crossover bits in PHY Specific Control Register
1182 phy_reg &= ~M88E1000_PSCR_AUTO_X_MODE;
1183 e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_reg);
1185 /* Perform software reset on the PHY */
1186 e1000_phy_reset(hw);
1188 /* Have to setup TX_CLK and TX_CRS after software reset */
1189 e1000_phy_reset_clk_and_crs(adapter);
1191 e1000_write_phy_reg(hw, PHY_CTRL, 0x8100);
1193 /* Wait for reset to complete. */
1196 /* Have to setup TX_CLK and TX_CRS after software reset */
1197 e1000_phy_reset_clk_and_crs(adapter);
1199 /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1200 e1000_phy_disable_receiver(adapter);
1202 /* Set the loopback bit in the PHY control register. */
1203 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1204 phy_reg |= MII_CR_LOOPBACK;
1205 e1000_write_phy_reg(hw, PHY_CTRL, phy_reg);
1207 /* Setup TX_CLK and TX_CRS one more time. */
1208 e1000_phy_reset_clk_and_crs(adapter);
1210 /* Check Phy Configuration */
1211 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1212 if (phy_reg != 0x4100)
1215 e1000_read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
1216 if (phy_reg != 0x0070)
1219 e1000_read_phy_reg(hw, 29, &phy_reg);
1220 if (phy_reg != 0x001A)
1226 static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
1228 struct e1000_hw *hw = &adapter->hw;
1232 hw->autoneg = false;
1234 if (hw->phy_type == e1000_phy_m88) {
1235 /* Auto-MDI/MDIX Off */
1236 e1000_write_phy_reg(hw,
1237 M88E1000_PHY_SPEC_CTRL, 0x0808);
1238 /* reset to update Auto-MDI/MDIX */
1239 e1000_write_phy_reg(hw, PHY_CTRL, 0x9140);
1241 e1000_write_phy_reg(hw, PHY_CTRL, 0x8140);
1244 ctrl_reg = er32(CTRL);
1246 /* force 1000, set loopback */
1247 e1000_write_phy_reg(hw, PHY_CTRL, 0x4140);
1249 /* Now set up the MAC to the same speed/duplex as the PHY. */
1250 ctrl_reg = er32(CTRL);
1251 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1252 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1253 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1254 E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
1255 E1000_CTRL_FD); /* Force Duplex to FULL */
1257 if (hw->media_type == e1000_media_type_copper &&
1258 hw->phy_type == e1000_phy_m88)
1259 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
1261 /* Set the ILOS bit on the fiber Nic is half
1262 * duplex link is detected.
1264 stat_reg = er32(STATUS);
1265 if ((stat_reg & E1000_STATUS_FD) == 0)
1266 ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
1269 ew32(CTRL, ctrl_reg);
1271 /* Disable the receiver on the PHY so when a cable is plugged in, the
1272 * PHY does not begin to autoneg when a cable is reconnected to the NIC.
1274 if (hw->phy_type == e1000_phy_m88)
1275 e1000_phy_disable_receiver(adapter);
1282 static int e1000_set_phy_loopback(struct e1000_adapter *adapter)
1284 struct e1000_hw *hw = &adapter->hw;
1288 switch (hw->mac_type) {
1290 if (hw->media_type == e1000_media_type_copper) {
1291 /* Attempt to setup Loopback mode on Non-integrated PHY.
1292 * Some PHY registers get corrupted at random, so
1293 * attempt this 10 times.
1295 while (e1000_nonintegrated_phy_loopback(adapter) &&
1305 case e1000_82545_rev_3:
1307 case e1000_82546_rev_3:
1309 case e1000_82541_rev_2:
1311 case e1000_82547_rev_2:
1312 return e1000_integrated_phy_loopback(adapter);
1314 /* Default PHY loopback work is to read the MII
1315 * control register and assert bit 14 (loopback mode).
1317 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1318 phy_reg |= MII_CR_LOOPBACK;
1319 e1000_write_phy_reg(hw, PHY_CTRL, phy_reg);
1326 static int e1000_setup_loopback_test(struct e1000_adapter *adapter)
1328 struct e1000_hw *hw = &adapter->hw;
1331 if (hw->media_type == e1000_media_type_fiber ||
1332 hw->media_type == e1000_media_type_internal_serdes) {
1333 switch (hw->mac_type) {
1336 case e1000_82545_rev_3:
1337 case e1000_82546_rev_3:
1338 return e1000_set_phy_loopback(adapter);
1341 rctl |= E1000_RCTL_LBM_TCVR;
1345 } else if (hw->media_type == e1000_media_type_copper) {
1346 return e1000_set_phy_loopback(adapter);
1352 static void e1000_loopback_cleanup(struct e1000_adapter *adapter)
1354 struct e1000_hw *hw = &adapter->hw;
1359 rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
1362 switch (hw->mac_type) {
1365 case e1000_82545_rev_3:
1366 case e1000_82546_rev_3:
1369 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1370 if (phy_reg & MII_CR_LOOPBACK) {
1371 phy_reg &= ~MII_CR_LOOPBACK;
1372 e1000_write_phy_reg(hw, PHY_CTRL, phy_reg);
1373 e1000_phy_reset(hw);
1379 static void e1000_create_lbtest_frame(struct sk_buff *skb,
1380 unsigned int frame_size)
1382 memset(skb->data, 0xFF, frame_size);
1384 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1385 memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
1386 memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
1389 static int e1000_check_lbtest_frame(struct sk_buff *skb,
1390 unsigned int frame_size)
1393 if (skb->data[3] == 0xFF) {
1394 if (skb->data[frame_size / 2 + 10] == 0xBE &&
1395 skb->data[frame_size / 2 + 12] == 0xAF) {
1402 static int e1000_run_loopback_test(struct e1000_adapter *adapter)
1404 struct e1000_hw *hw = &adapter->hw;
1405 struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
1406 struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
1407 struct pci_dev *pdev = adapter->pdev;
1408 int i, j, k, l, lc, good_cnt, ret_val = 0;
1411 ew32(RDT, rxdr->count - 1);
1413 /* Calculate the loop count based on the largest descriptor ring
1414 * The idea is to wrap the largest ring a number of times using 64
1415 * send/receive pairs during each loop
1418 if (rxdr->count <= txdr->count)
1419 lc = ((txdr->count / 64) * 2) + 1;
1421 lc = ((rxdr->count / 64) * 2) + 1;
1424 for (j = 0; j <= lc; j++) { /* loop count loop */
1425 for (i = 0; i < 64; i++) { /* send the packets */
1426 e1000_create_lbtest_frame(txdr->buffer_info[i].skb,
1428 dma_sync_single_for_device(&pdev->dev,
1429 txdr->buffer_info[k].dma,
1430 txdr->buffer_info[k].length,
1432 if (unlikely(++k == txdr->count))
1436 E1000_WRITE_FLUSH();
1438 time = jiffies; /* set the start time for the receive */
1440 do { /* receive the sent packets */
1441 dma_sync_single_for_cpu(&pdev->dev,
1442 rxdr->buffer_info[l].dma,
1443 rxdr->buffer_info[l].length,
1446 ret_val = e1000_check_lbtest_frame(
1447 rxdr->buffer_info[l].skb,
1451 if (unlikely(++l == rxdr->count))
1453 /* time + 20 msecs (200 msecs on 2.4) is more than
1454 * enough time to complete the receives, if it's
1455 * exceeded, break and error off
1457 } while (good_cnt < 64 && time_after(time + 20, jiffies));
1459 if (good_cnt != 64) {
1460 ret_val = 13; /* ret_val is the same as mis-compare */
1463 if (jiffies >= (time + 2)) {
1464 ret_val = 14; /* error code for time out error */
1467 } /* end loop count loop */
1471 static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data)
1473 *data = e1000_setup_desc_rings(adapter);
1476 *data = e1000_setup_loopback_test(adapter);
1479 *data = e1000_run_loopback_test(adapter);
1480 e1000_loopback_cleanup(adapter);
1483 e1000_free_desc_rings(adapter);
1488 static int e1000_link_test(struct e1000_adapter *adapter, u64 *data)
1490 struct e1000_hw *hw = &adapter->hw;
1492 if (hw->media_type == e1000_media_type_internal_serdes) {
1495 hw->serdes_has_link = false;
1497 /* On some blade server designs, link establishment
1498 * could take as long as 2-3 minutes
1501 e1000_check_for_link(hw);
1502 if (hw->serdes_has_link)
1505 } while (i++ < 3750);
1509 e1000_check_for_link(hw);
1510 if (hw->autoneg) /* if auto_neg is set wait for it */
1513 if (!(er32(STATUS) & E1000_STATUS_LU))
1519 static int e1000_get_sset_count(struct net_device *netdev, int sset)
1523 return E1000_TEST_LEN;
1525 return E1000_STATS_LEN;
1531 static void e1000_diag_test(struct net_device *netdev,
1532 struct ethtool_test *eth_test, u64 *data)
1534 struct e1000_adapter *adapter = netdev_priv(netdev);
1535 struct e1000_hw *hw = &adapter->hw;
1536 bool if_running = netif_running(netdev);
1538 set_bit(__E1000_TESTING, &adapter->flags);
1539 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1542 /* save speed, duplex, autoneg settings */
1543 u16 autoneg_advertised = hw->autoneg_advertised;
1544 u8 forced_speed_duplex = hw->forced_speed_duplex;
1545 u8 autoneg = hw->autoneg;
1547 e_info(hw, "offline testing starting\n");
1549 /* Link test performed before hardware reset so autoneg doesn't
1550 * interfere with test result
1552 if (e1000_link_test(adapter, &data[4]))
1553 eth_test->flags |= ETH_TEST_FL_FAILED;
1556 /* indicate we're in test mode */
1559 e1000_reset(adapter);
1561 if (e1000_reg_test(adapter, &data[0]))
1562 eth_test->flags |= ETH_TEST_FL_FAILED;
1564 e1000_reset(adapter);
1565 if (e1000_eeprom_test(adapter, &data[1]))
1566 eth_test->flags |= ETH_TEST_FL_FAILED;
1568 e1000_reset(adapter);
1569 if (e1000_intr_test(adapter, &data[2]))
1570 eth_test->flags |= ETH_TEST_FL_FAILED;
1572 e1000_reset(adapter);
1573 /* make sure the phy is powered up */
1574 e1000_power_up_phy(adapter);
1575 if (e1000_loopback_test(adapter, &data[3]))
1576 eth_test->flags |= ETH_TEST_FL_FAILED;
1578 /* restore speed, duplex, autoneg settings */
1579 hw->autoneg_advertised = autoneg_advertised;
1580 hw->forced_speed_duplex = forced_speed_duplex;
1581 hw->autoneg = autoneg;
1583 e1000_reset(adapter);
1584 clear_bit(__E1000_TESTING, &adapter->flags);
1588 e_info(hw, "online testing starting\n");
1590 if (e1000_link_test(adapter, &data[4]))
1591 eth_test->flags |= ETH_TEST_FL_FAILED;
1593 /* Online tests aren't run; pass by default */
1599 clear_bit(__E1000_TESTING, &adapter->flags);
1601 msleep_interruptible(4 * 1000);
1604 static int e1000_wol_exclusion(struct e1000_adapter *adapter,
1605 struct ethtool_wolinfo *wol)
1607 struct e1000_hw *hw = &adapter->hw;
1608 int retval = 1; /* fail by default */
1610 switch (hw->device_id) {
1611 case E1000_DEV_ID_82542:
1612 case E1000_DEV_ID_82543GC_FIBER:
1613 case E1000_DEV_ID_82543GC_COPPER:
1614 case E1000_DEV_ID_82544EI_FIBER:
1615 case E1000_DEV_ID_82546EB_QUAD_COPPER:
1616 case E1000_DEV_ID_82545EM_FIBER:
1617 case E1000_DEV_ID_82545EM_COPPER:
1618 case E1000_DEV_ID_82546GB_QUAD_COPPER:
1619 case E1000_DEV_ID_82546GB_PCIE:
1620 /* these don't support WoL at all */
1623 case E1000_DEV_ID_82546EB_FIBER:
1624 case E1000_DEV_ID_82546GB_FIBER:
1625 /* Wake events not supported on port B */
1626 if (er32(STATUS) & E1000_STATUS_FUNC_1) {
1630 /* return success for non excluded adapter ports */
1633 case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
1634 /* quad port adapters only support WoL on port A */
1635 if (!adapter->quad_port_a) {
1639 /* return success for non excluded adapter ports */
1643 /* dual port cards only support WoL on port A from now on
1644 * unless it was enabled in the eeprom for port B
1645 * so exclude FUNC_1 ports from having WoL enabled
1647 if (er32(STATUS) & E1000_STATUS_FUNC_1 &&
1648 !adapter->eeprom_wol) {
1659 static void e1000_get_wol(struct net_device *netdev,
1660 struct ethtool_wolinfo *wol)
1662 struct e1000_adapter *adapter = netdev_priv(netdev);
1663 struct e1000_hw *hw = &adapter->hw;
1665 wol->supported = WAKE_UCAST | WAKE_MCAST | WAKE_BCAST | WAKE_MAGIC;
1668 /* this function will set ->supported = 0 and return 1 if wol is not
1669 * supported by this hardware
1671 if (e1000_wol_exclusion(adapter, wol) ||
1672 !device_can_wakeup(&adapter->pdev->dev))
1675 /* apply any specific unsupported masks here */
1676 switch (hw->device_id) {
1677 case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
1678 /* KSP3 does not support UCAST wake-ups */
1679 wol->supported &= ~WAKE_UCAST;
1681 if (adapter->wol & E1000_WUFC_EX)
1682 e_err(drv, "Interface does not support directed "
1683 "(unicast) frame wake-up packets\n");
1689 if (adapter->wol & E1000_WUFC_EX)
1690 wol->wolopts |= WAKE_UCAST;
1691 if (adapter->wol & E1000_WUFC_MC)
1692 wol->wolopts |= WAKE_MCAST;
1693 if (adapter->wol & E1000_WUFC_BC)
1694 wol->wolopts |= WAKE_BCAST;
1695 if (adapter->wol & E1000_WUFC_MAG)
1696 wol->wolopts |= WAKE_MAGIC;
1699 static int e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1701 struct e1000_adapter *adapter = netdev_priv(netdev);
1702 struct e1000_hw *hw = &adapter->hw;
1704 if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
1707 if (e1000_wol_exclusion(adapter, wol) ||
1708 !device_can_wakeup(&adapter->pdev->dev))
1709 return wol->wolopts ? -EOPNOTSUPP : 0;
1711 switch (hw->device_id) {
1712 case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
1713 if (wol->wolopts & WAKE_UCAST) {
1714 e_err(drv, "Interface does not support directed "
1715 "(unicast) frame wake-up packets\n");
1723 /* these settings will always override what we currently have */
1726 if (wol->wolopts & WAKE_UCAST)
1727 adapter->wol |= E1000_WUFC_EX;
1728 if (wol->wolopts & WAKE_MCAST)
1729 adapter->wol |= E1000_WUFC_MC;
1730 if (wol->wolopts & WAKE_BCAST)
1731 adapter->wol |= E1000_WUFC_BC;
1732 if (wol->wolopts & WAKE_MAGIC)
1733 adapter->wol |= E1000_WUFC_MAG;
1735 device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
1740 static int e1000_set_phys_id(struct net_device *netdev,
1741 enum ethtool_phys_id_state state)
1743 struct e1000_adapter *adapter = netdev_priv(netdev);
1744 struct e1000_hw *hw = &adapter->hw;
1747 case ETHTOOL_ID_ACTIVE:
1748 e1000_setup_led(hw);
1755 case ETHTOOL_ID_OFF:
1759 case ETHTOOL_ID_INACTIVE:
1760 e1000_cleanup_led(hw);
1766 static int e1000_get_coalesce(struct net_device *netdev,
1767 struct ethtool_coalesce *ec)
1769 struct e1000_adapter *adapter = netdev_priv(netdev);
1771 if (adapter->hw.mac_type < e1000_82545)
1774 if (adapter->itr_setting <= 4)
1775 ec->rx_coalesce_usecs = adapter->itr_setting;
1777 ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting;
1782 static int e1000_set_coalesce(struct net_device *netdev,
1783 struct ethtool_coalesce *ec)
1785 struct e1000_adapter *adapter = netdev_priv(netdev);
1786 struct e1000_hw *hw = &adapter->hw;
1788 if (hw->mac_type < e1000_82545)
1791 if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) ||
1792 ((ec->rx_coalesce_usecs > 4) &&
1793 (ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) ||
1794 (ec->rx_coalesce_usecs == 2))
1797 if (ec->rx_coalesce_usecs == 4) {
1798 adapter->itr = adapter->itr_setting = 4;
1799 } else if (ec->rx_coalesce_usecs <= 3) {
1800 adapter->itr = 20000;
1801 adapter->itr_setting = ec->rx_coalesce_usecs;
1803 adapter->itr = (1000000 / ec->rx_coalesce_usecs);
1804 adapter->itr_setting = adapter->itr & ~3;
1807 if (adapter->itr_setting != 0)
1808 ew32(ITR, 1000000000 / (adapter->itr * 256));
1815 static int e1000_nway_reset(struct net_device *netdev)
1817 struct e1000_adapter *adapter = netdev_priv(netdev);
1819 if (netif_running(netdev))
1820 e1000_reinit_locked(adapter);
1824 static void e1000_get_ethtool_stats(struct net_device *netdev,
1825 struct ethtool_stats *stats, u64 *data)
1827 struct e1000_adapter *adapter = netdev_priv(netdev);
1830 const struct e1000_stats *stat = e1000_gstrings_stats;
1832 e1000_update_stats(adapter);
1833 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1834 switch (stat->type) {
1836 p = (char *)netdev + stat->stat_offset;
1839 p = (char *)adapter + stat->stat_offset;
1842 WARN_ONCE(1, "Invalid E1000 stat type: %u index %d\n",
1847 if (stat->sizeof_stat == sizeof(u64))
1848 data[i] = *(u64 *)p;
1850 data[i] = *(u32 *)p;
1854 /* BUG_ON(i != E1000_STATS_LEN); */
1857 static void e1000_get_strings(struct net_device *netdev, u32 stringset,
1863 switch (stringset) {
1865 memcpy(data, e1000_gstrings_test, sizeof(e1000_gstrings_test));
1868 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1869 memcpy(p, e1000_gstrings_stats[i].stat_string,
1871 p += ETH_GSTRING_LEN;
1873 /* BUG_ON(p - data != E1000_STATS_LEN * ETH_GSTRING_LEN); */
1878 static const struct ethtool_ops e1000_ethtool_ops = {
1879 .get_settings = e1000_get_settings,
1880 .set_settings = e1000_set_settings,
1881 .get_drvinfo = e1000_get_drvinfo,
1882 .get_regs_len = e1000_get_regs_len,
1883 .get_regs = e1000_get_regs,
1884 .get_wol = e1000_get_wol,
1885 .set_wol = e1000_set_wol,
1886 .get_msglevel = e1000_get_msglevel,
1887 .set_msglevel = e1000_set_msglevel,
1888 .nway_reset = e1000_nway_reset,
1889 .get_link = e1000_get_link,
1890 .get_eeprom_len = e1000_get_eeprom_len,
1891 .get_eeprom = e1000_get_eeprom,
1892 .set_eeprom = e1000_set_eeprom,
1893 .get_ringparam = e1000_get_ringparam,
1894 .set_ringparam = e1000_set_ringparam,
1895 .get_pauseparam = e1000_get_pauseparam,
1896 .set_pauseparam = e1000_set_pauseparam,
1897 .self_test = e1000_diag_test,
1898 .get_strings = e1000_get_strings,
1899 .set_phys_id = e1000_set_phys_id,
1900 .get_ethtool_stats = e1000_get_ethtool_stats,
1901 .get_sset_count = e1000_get_sset_count,
1902 .get_coalesce = e1000_get_coalesce,
1903 .set_coalesce = e1000_set_coalesce,
1904 .get_ts_info = ethtool_op_get_ts_info,
1907 void e1000_set_ethtool_ops(struct net_device *netdev)
1909 netdev->ethtool_ops = &e1000_ethtool_ops;