1 /*******************************************************************************
4 Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
6 This program is free software; you can redistribute it and/or modify it
7 under the terms of the GNU General Public License as published by the Free
8 Software Foundation; either version 2 of the License, or (at your option)
11 This program is distributed in the hope that it will be useful, but WITHOUT
12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
16 You should have received a copy of the GNU General Public License along with
17 this program; if not, write to the Free Software Foundation, Inc., 59
18 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20 The full GNU General Public License is included in this distribution in the
24 Linux NICS <linux.nics@intel.com>
25 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
27 *******************************************************************************/
29 /* ethtool support for e1000 */
33 #include <asm/uaccess.h>
35 extern char e1000_driver_name[];
36 extern char e1000_driver_version[];
38 extern int e1000_up(struct e1000_adapter *adapter);
39 extern void e1000_down(struct e1000_adapter *adapter);
40 extern void e1000_reset(struct e1000_adapter *adapter);
41 extern int e1000_set_spd_dplx(struct e1000_adapter *adapter, uint16_t spddplx);
42 extern int e1000_setup_all_rx_resources(struct e1000_adapter *adapter);
43 extern int e1000_setup_all_tx_resources(struct e1000_adapter *adapter);
44 extern void e1000_free_all_rx_resources(struct e1000_adapter *adapter);
45 extern void e1000_free_all_tx_resources(struct e1000_adapter *adapter);
46 extern void e1000_update_stats(struct e1000_adapter *adapter);
49 char stat_string[ETH_GSTRING_LEN];
54 #define E1000_STAT(m) sizeof(((struct e1000_adapter *)0)->m), \
55 offsetof(struct e1000_adapter, m)
56 static const struct e1000_stats e1000_gstrings_stats[] = {
57 { "rx_packets", E1000_STAT(net_stats.rx_packets) },
58 { "tx_packets", E1000_STAT(net_stats.tx_packets) },
59 { "rx_bytes", E1000_STAT(net_stats.rx_bytes) },
60 { "tx_bytes", E1000_STAT(net_stats.tx_bytes) },
61 { "rx_errors", E1000_STAT(net_stats.rx_errors) },
62 { "tx_errors", E1000_STAT(net_stats.tx_errors) },
63 { "rx_dropped", E1000_STAT(net_stats.rx_dropped) },
64 { "tx_dropped", E1000_STAT(net_stats.tx_dropped) },
65 { "multicast", E1000_STAT(net_stats.multicast) },
66 { "collisions", E1000_STAT(net_stats.collisions) },
67 { "rx_length_errors", E1000_STAT(net_stats.rx_length_errors) },
68 { "rx_over_errors", E1000_STAT(net_stats.rx_over_errors) },
69 { "rx_crc_errors", E1000_STAT(net_stats.rx_crc_errors) },
70 { "rx_frame_errors", E1000_STAT(net_stats.rx_frame_errors) },
71 { "rx_fifo_errors", E1000_STAT(net_stats.rx_fifo_errors) },
72 { "rx_no_buffer_count", E1000_STAT(stats.rnbc) },
73 { "rx_missed_errors", E1000_STAT(net_stats.rx_missed_errors) },
74 { "tx_aborted_errors", E1000_STAT(net_stats.tx_aborted_errors) },
75 { "tx_carrier_errors", E1000_STAT(net_stats.tx_carrier_errors) },
76 { "tx_fifo_errors", E1000_STAT(net_stats.tx_fifo_errors) },
77 { "tx_heartbeat_errors", E1000_STAT(net_stats.tx_heartbeat_errors) },
78 { "tx_window_errors", E1000_STAT(net_stats.tx_window_errors) },
79 { "tx_abort_late_coll", E1000_STAT(stats.latecol) },
80 { "tx_deferred_ok", E1000_STAT(stats.dc) },
81 { "tx_single_coll_ok", E1000_STAT(stats.scc) },
82 { "tx_multi_coll_ok", E1000_STAT(stats.mcc) },
83 { "tx_timeout_count", E1000_STAT(tx_timeout_count) },
84 { "rx_long_length_errors", E1000_STAT(stats.roc) },
85 { "rx_short_length_errors", E1000_STAT(stats.ruc) },
86 { "rx_align_errors", E1000_STAT(stats.algnerrc) },
87 { "tx_tcp_seg_good", E1000_STAT(stats.tsctc) },
88 { "tx_tcp_seg_failed", E1000_STAT(stats.tsctfc) },
89 { "rx_flow_control_xon", E1000_STAT(stats.xonrxc) },
90 { "rx_flow_control_xoff", E1000_STAT(stats.xoffrxc) },
91 { "tx_flow_control_xon", E1000_STAT(stats.xontxc) },
92 { "tx_flow_control_xoff", E1000_STAT(stats.xofftxc) },
93 { "rx_long_byte_count", E1000_STAT(stats.gorcl) },
94 { "rx_csum_offload_good", E1000_STAT(hw_csum_good) },
95 { "rx_csum_offload_errors", E1000_STAT(hw_csum_err) },
96 { "rx_header_split", E1000_STAT(rx_hdr_split) },
97 { "alloc_rx_buff_failed", E1000_STAT(alloc_rx_buff_failed) },
99 #define E1000_STATS_LEN \
100 sizeof(e1000_gstrings_stats) / sizeof(struct e1000_stats)
101 static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = {
102 "Register test (offline)", "Eeprom test (offline)",
103 "Interrupt test (offline)", "Loopback test (offline)",
104 "Link test (on/offline)"
106 #define E1000_TEST_LEN sizeof(e1000_gstrings_test) / ETH_GSTRING_LEN
109 e1000_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
111 struct e1000_adapter *adapter = netdev_priv(netdev);
112 struct e1000_hw *hw = &adapter->hw;
114 if(hw->media_type == e1000_media_type_copper) {
116 ecmd->supported = (SUPPORTED_10baseT_Half |
117 SUPPORTED_10baseT_Full |
118 SUPPORTED_100baseT_Half |
119 SUPPORTED_100baseT_Full |
120 SUPPORTED_1000baseT_Full|
124 ecmd->advertising = ADVERTISED_TP;
126 if(hw->autoneg == 1) {
127 ecmd->advertising |= ADVERTISED_Autoneg;
129 /* the e1000 autoneg seems to match ethtool nicely */
131 ecmd->advertising |= hw->autoneg_advertised;
134 ecmd->port = PORT_TP;
135 ecmd->phy_address = hw->phy_addr;
137 if(hw->mac_type == e1000_82543)
138 ecmd->transceiver = XCVR_EXTERNAL;
140 ecmd->transceiver = XCVR_INTERNAL;
143 ecmd->supported = (SUPPORTED_1000baseT_Full |
147 ecmd->advertising = (ADVERTISED_1000baseT_Full |
151 ecmd->port = PORT_FIBRE;
153 if(hw->mac_type >= e1000_82545)
154 ecmd->transceiver = XCVR_INTERNAL;
156 ecmd->transceiver = XCVR_EXTERNAL;
159 if(netif_carrier_ok(adapter->netdev)) {
161 e1000_get_speed_and_duplex(hw, &adapter->link_speed,
162 &adapter->link_duplex);
163 ecmd->speed = adapter->link_speed;
165 /* unfortunatly FULL_DUPLEX != DUPLEX_FULL
166 * and HALF_DUPLEX != DUPLEX_HALF */
168 if(adapter->link_duplex == FULL_DUPLEX)
169 ecmd->duplex = DUPLEX_FULL;
171 ecmd->duplex = DUPLEX_HALF;
177 ecmd->autoneg = ((hw->media_type == e1000_media_type_fiber) ||
178 hw->autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE;
183 e1000_set_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
185 struct e1000_adapter *adapter = netdev_priv(netdev);
186 struct e1000_hw *hw = &adapter->hw;
188 /* When SoL/IDER sessions are active, autoneg/speed/duplex
189 * cannot be changed */
190 if (e1000_check_phy_reset_block(hw)) {
191 DPRINTK(DRV, ERR, "Cannot change link characteristics "
192 "when SoL/IDER is active.\n");
196 if (ecmd->autoneg == AUTONEG_ENABLE) {
198 if(hw->media_type == e1000_media_type_fiber)
199 hw->autoneg_advertised = ADVERTISED_1000baseT_Full |
203 hw->autoneg_advertised = ADVERTISED_10baseT_Half |
204 ADVERTISED_10baseT_Full |
205 ADVERTISED_100baseT_Half |
206 ADVERTISED_100baseT_Full |
207 ADVERTISED_1000baseT_Full|
210 ecmd->advertising = hw->autoneg_advertised;
212 if(e1000_set_spd_dplx(adapter, ecmd->speed + ecmd->duplex))
217 if(netif_running(adapter->netdev)) {
219 e1000_reset(adapter);
222 e1000_reset(adapter);
228 e1000_get_pauseparam(struct net_device *netdev,
229 struct ethtool_pauseparam *pause)
231 struct e1000_adapter *adapter = netdev_priv(netdev);
232 struct e1000_hw *hw = &adapter->hw;
235 (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE);
237 if(hw->fc == e1000_fc_rx_pause)
239 else if(hw->fc == e1000_fc_tx_pause)
241 else if(hw->fc == e1000_fc_full) {
248 e1000_set_pauseparam(struct net_device *netdev,
249 struct ethtool_pauseparam *pause)
251 struct e1000_adapter *adapter = netdev_priv(netdev);
252 struct e1000_hw *hw = &adapter->hw;
254 adapter->fc_autoneg = pause->autoneg;
256 if(pause->rx_pause && pause->tx_pause)
257 hw->fc = e1000_fc_full;
258 else if(pause->rx_pause && !pause->tx_pause)
259 hw->fc = e1000_fc_rx_pause;
260 else if(!pause->rx_pause && pause->tx_pause)
261 hw->fc = e1000_fc_tx_pause;
262 else if(!pause->rx_pause && !pause->tx_pause)
263 hw->fc = e1000_fc_none;
265 hw->original_fc = hw->fc;
267 if(adapter->fc_autoneg == AUTONEG_ENABLE) {
268 if(netif_running(adapter->netdev)) {
272 e1000_reset(adapter);
275 return ((hw->media_type == e1000_media_type_fiber) ?
276 e1000_setup_link(hw) : e1000_force_mac_fc(hw));
282 e1000_get_rx_csum(struct net_device *netdev)
284 struct e1000_adapter *adapter = netdev_priv(netdev);
285 return adapter->rx_csum;
289 e1000_set_rx_csum(struct net_device *netdev, uint32_t data)
291 struct e1000_adapter *adapter = netdev_priv(netdev);
292 adapter->rx_csum = data;
294 if(netif_running(netdev)) {
298 e1000_reset(adapter);
303 e1000_get_tx_csum(struct net_device *netdev)
305 return (netdev->features & NETIF_F_HW_CSUM) != 0;
309 e1000_set_tx_csum(struct net_device *netdev, uint32_t data)
311 struct e1000_adapter *adapter = netdev_priv(netdev);
313 if(adapter->hw.mac_type < e1000_82543) {
320 netdev->features |= NETIF_F_HW_CSUM;
322 netdev->features &= ~NETIF_F_HW_CSUM;
329 e1000_set_tso(struct net_device *netdev, uint32_t data)
331 struct e1000_adapter *adapter = netdev_priv(netdev);
332 if((adapter->hw.mac_type < e1000_82544) ||
333 (adapter->hw.mac_type == e1000_82547))
334 return data ? -EINVAL : 0;
337 netdev->features |= NETIF_F_TSO;
339 netdev->features &= ~NETIF_F_TSO;
342 #endif /* NETIF_F_TSO */
345 e1000_get_msglevel(struct net_device *netdev)
347 struct e1000_adapter *adapter = netdev_priv(netdev);
348 return adapter->msg_enable;
352 e1000_set_msglevel(struct net_device *netdev, uint32_t data)
354 struct e1000_adapter *adapter = netdev_priv(netdev);
355 adapter->msg_enable = data;
359 e1000_get_regs_len(struct net_device *netdev)
361 #define E1000_REGS_LEN 32
362 return E1000_REGS_LEN * sizeof(uint32_t);
366 e1000_get_regs(struct net_device *netdev,
367 struct ethtool_regs *regs, void *p)
369 struct e1000_adapter *adapter = netdev_priv(netdev);
370 struct e1000_hw *hw = &adapter->hw;
371 uint32_t *regs_buff = p;
374 memset(p, 0, E1000_REGS_LEN * sizeof(uint32_t));
376 regs->version = (1 << 24) | (hw->revision_id << 16) | hw->device_id;
378 regs_buff[0] = E1000_READ_REG(hw, CTRL);
379 regs_buff[1] = E1000_READ_REG(hw, STATUS);
381 regs_buff[2] = E1000_READ_REG(hw, RCTL);
382 regs_buff[3] = E1000_READ_REG(hw, RDLEN);
383 regs_buff[4] = E1000_READ_REG(hw, RDH);
384 regs_buff[5] = E1000_READ_REG(hw, RDT);
385 regs_buff[6] = E1000_READ_REG(hw, RDTR);
387 regs_buff[7] = E1000_READ_REG(hw, TCTL);
388 regs_buff[8] = E1000_READ_REG(hw, TDLEN);
389 regs_buff[9] = E1000_READ_REG(hw, TDH);
390 regs_buff[10] = E1000_READ_REG(hw, TDT);
391 regs_buff[11] = E1000_READ_REG(hw, TIDV);
393 regs_buff[12] = adapter->hw.phy_type; /* PHY type (IGP=1, M88=0) */
394 if(hw->phy_type == e1000_phy_igp) {
395 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
396 IGP01E1000_PHY_AGC_A);
397 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_A &
398 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
399 regs_buff[13] = (uint32_t)phy_data; /* cable length */
400 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
401 IGP01E1000_PHY_AGC_B);
402 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_B &
403 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
404 regs_buff[14] = (uint32_t)phy_data; /* cable length */
405 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
406 IGP01E1000_PHY_AGC_C);
407 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_C &
408 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
409 regs_buff[15] = (uint32_t)phy_data; /* cable length */
410 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
411 IGP01E1000_PHY_AGC_D);
412 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_D &
413 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
414 regs_buff[16] = (uint32_t)phy_data; /* cable length */
415 regs_buff[17] = 0; /* extended 10bt distance (not needed) */
416 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0);
417 e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_STATUS &
418 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
419 regs_buff[18] = (uint32_t)phy_data; /* cable polarity */
420 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
421 IGP01E1000_PHY_PCS_INIT_REG);
422 e1000_read_phy_reg(hw, IGP01E1000_PHY_PCS_INIT_REG &
423 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
424 regs_buff[19] = (uint32_t)phy_data; /* cable polarity */
425 regs_buff[20] = 0; /* polarity correction enabled (always) */
426 regs_buff[22] = 0; /* phy receive errors (unavailable) */
427 regs_buff[23] = regs_buff[18]; /* mdix mode */
428 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0);
430 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
431 regs_buff[13] = (uint32_t)phy_data; /* cable length */
432 regs_buff[14] = 0; /* Dummy (to align w/ IGP phy reg dump) */
433 regs_buff[15] = 0; /* Dummy (to align w/ IGP phy reg dump) */
434 regs_buff[16] = 0; /* Dummy (to align w/ IGP phy reg dump) */
435 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
436 regs_buff[17] = (uint32_t)phy_data; /* extended 10bt distance */
437 regs_buff[18] = regs_buff[13]; /* cable polarity */
438 regs_buff[19] = 0; /* Dummy (to align w/ IGP phy reg dump) */
439 regs_buff[20] = regs_buff[17]; /* polarity correction */
440 /* phy receive errors */
441 regs_buff[22] = adapter->phy_stats.receive_errors;
442 regs_buff[23] = regs_buff[13]; /* mdix mode */
444 regs_buff[21] = adapter->phy_stats.idle_errors; /* phy idle errors */
445 e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_data);
446 regs_buff[24] = (uint32_t)phy_data; /* phy local receiver status */
447 regs_buff[25] = regs_buff[24]; /* phy remote receiver status */
448 if(hw->mac_type >= e1000_82540 &&
449 hw->media_type == e1000_media_type_copper) {
450 regs_buff[26] = E1000_READ_REG(hw, MANC);
455 e1000_get_eeprom_len(struct net_device *netdev)
457 struct e1000_adapter *adapter = netdev_priv(netdev);
458 return adapter->hw.eeprom.word_size * 2;
462 e1000_get_eeprom(struct net_device *netdev,
463 struct ethtool_eeprom *eeprom, uint8_t *bytes)
465 struct e1000_adapter *adapter = netdev_priv(netdev);
466 struct e1000_hw *hw = &adapter->hw;
467 uint16_t *eeprom_buff;
468 int first_word, last_word;
475 eeprom->magic = hw->vendor_id | (hw->device_id << 16);
477 first_word = eeprom->offset >> 1;
478 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
480 eeprom_buff = kmalloc(sizeof(uint16_t) *
481 (last_word - first_word + 1), GFP_KERNEL);
485 if(hw->eeprom.type == e1000_eeprom_spi)
486 ret_val = e1000_read_eeprom(hw, first_word,
487 last_word - first_word + 1,
490 for (i = 0; i < last_word - first_word + 1; i++)
491 if((ret_val = e1000_read_eeprom(hw, first_word + i, 1,
496 /* Device's eeprom is always little-endian, word addressable */
497 for (i = 0; i < last_word - first_word + 1; i++)
498 le16_to_cpus(&eeprom_buff[i]);
500 memcpy(bytes, (uint8_t *)eeprom_buff + (eeprom->offset & 1),
508 e1000_set_eeprom(struct net_device *netdev,
509 struct ethtool_eeprom *eeprom, uint8_t *bytes)
511 struct e1000_adapter *adapter = netdev_priv(netdev);
512 struct e1000_hw *hw = &adapter->hw;
513 uint16_t *eeprom_buff;
515 int max_len, first_word, last_word, ret_val = 0;
521 if(eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
524 max_len = hw->eeprom.word_size * 2;
526 first_word = eeprom->offset >> 1;
527 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
528 eeprom_buff = kmalloc(max_len, GFP_KERNEL);
532 ptr = (void *)eeprom_buff;
534 if(eeprom->offset & 1) {
535 /* need read/modify/write of first changed EEPROM word */
536 /* only the second byte of the word is being modified */
537 ret_val = e1000_read_eeprom(hw, first_word, 1,
541 if(((eeprom->offset + eeprom->len) & 1) && (ret_val == 0)) {
542 /* need read/modify/write of last changed EEPROM word */
543 /* only the first byte of the word is being modified */
544 ret_val = e1000_read_eeprom(hw, last_word, 1,
545 &eeprom_buff[last_word - first_word]);
548 /* Device's eeprom is always little-endian, word addressable */
549 for (i = 0; i < last_word - first_word + 1; i++)
550 le16_to_cpus(&eeprom_buff[i]);
552 memcpy(ptr, bytes, eeprom->len);
554 for (i = 0; i < last_word - first_word + 1; i++)
555 eeprom_buff[i] = cpu_to_le16(eeprom_buff[i]);
557 ret_val = e1000_write_eeprom(hw, first_word,
558 last_word - first_word + 1, eeprom_buff);
560 /* Update the checksum over the first part of the EEPROM if needed
561 * and flush shadow RAM for 82573 conrollers */
562 if((ret_val == 0) && ((first_word <= EEPROM_CHECKSUM_REG) ||
563 (hw->mac_type == e1000_82573)))
564 e1000_update_eeprom_checksum(hw);
571 e1000_get_drvinfo(struct net_device *netdev,
572 struct ethtool_drvinfo *drvinfo)
574 struct e1000_adapter *adapter = netdev_priv(netdev);
576 strncpy(drvinfo->driver, e1000_driver_name, 32);
577 strncpy(drvinfo->version, e1000_driver_version, 32);
578 strncpy(drvinfo->fw_version, "N/A", 32);
579 strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
580 drvinfo->n_stats = E1000_STATS_LEN;
581 drvinfo->testinfo_len = E1000_TEST_LEN;
582 drvinfo->regdump_len = e1000_get_regs_len(netdev);
583 drvinfo->eedump_len = e1000_get_eeprom_len(netdev);
587 e1000_get_ringparam(struct net_device *netdev,
588 struct ethtool_ringparam *ring)
590 struct e1000_adapter *adapter = netdev_priv(netdev);
591 e1000_mac_type mac_type = adapter->hw.mac_type;
592 struct e1000_tx_ring *txdr = adapter->tx_ring;
593 struct e1000_rx_ring *rxdr = adapter->rx_ring;
595 ring->rx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_RXD :
597 ring->tx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_TXD :
599 ring->rx_mini_max_pending = 0;
600 ring->rx_jumbo_max_pending = 0;
601 ring->rx_pending = rxdr->count;
602 ring->tx_pending = txdr->count;
603 ring->rx_mini_pending = 0;
604 ring->rx_jumbo_pending = 0;
608 e1000_set_ringparam(struct net_device *netdev,
609 struct ethtool_ringparam *ring)
611 struct e1000_adapter *adapter = netdev_priv(netdev);
612 e1000_mac_type mac_type = adapter->hw.mac_type;
613 struct e1000_tx_ring *txdr, *tx_old, *tx_new;
614 struct e1000_rx_ring *rxdr, *rx_old, *rx_new;
615 int i, err, tx_ring_size, rx_ring_size;
617 tx_ring_size = sizeof(struct e1000_tx_ring) * adapter->num_tx_queues;
618 rx_ring_size = sizeof(struct e1000_rx_ring) * adapter->num_rx_queues;
620 if (netif_running(adapter->netdev))
623 tx_old = adapter->tx_ring;
624 rx_old = adapter->rx_ring;
626 adapter->tx_ring = kmalloc(tx_ring_size, GFP_KERNEL);
627 if (!adapter->tx_ring) {
631 memset(adapter->tx_ring, 0, tx_ring_size);
633 adapter->rx_ring = kmalloc(rx_ring_size, GFP_KERNEL);
634 if (!adapter->rx_ring) {
635 kfree(adapter->tx_ring);
639 memset(adapter->rx_ring, 0, rx_ring_size);
641 txdr = adapter->tx_ring;
642 rxdr = adapter->rx_ring;
644 if((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
647 rxdr->count = max(ring->rx_pending,(uint32_t)E1000_MIN_RXD);
648 rxdr->count = min(rxdr->count,(uint32_t)(mac_type < e1000_82544 ?
649 E1000_MAX_RXD : E1000_MAX_82544_RXD));
650 E1000_ROUNDUP(rxdr->count, REQ_RX_DESCRIPTOR_MULTIPLE);
652 txdr->count = max(ring->tx_pending,(uint32_t)E1000_MIN_TXD);
653 txdr->count = min(txdr->count,(uint32_t)(mac_type < e1000_82544 ?
654 E1000_MAX_TXD : E1000_MAX_82544_TXD));
655 E1000_ROUNDUP(txdr->count, REQ_TX_DESCRIPTOR_MULTIPLE);
657 for (i = 0; i < adapter->num_tx_queues; i++)
658 txdr[i].count = txdr->count;
659 for (i = 0; i < adapter->num_rx_queues; i++)
660 rxdr[i].count = rxdr->count;
662 if(netif_running(adapter->netdev)) {
663 /* Try to get new resources before deleting old */
664 if ((err = e1000_setup_all_rx_resources(adapter)))
666 if ((err = e1000_setup_all_tx_resources(adapter)))
669 /* save the new, restore the old in order to free it,
670 * then restore the new back again */
672 rx_new = adapter->rx_ring;
673 tx_new = adapter->tx_ring;
674 adapter->rx_ring = rx_old;
675 adapter->tx_ring = tx_old;
676 e1000_free_all_rx_resources(adapter);
677 e1000_free_all_tx_resources(adapter);
680 adapter->rx_ring = rx_new;
681 adapter->tx_ring = tx_new;
682 if((err = e1000_up(adapter)))
688 e1000_free_all_rx_resources(adapter);
690 adapter->rx_ring = rx_old;
691 adapter->tx_ring = tx_old;
696 #define REG_PATTERN_TEST(R, M, W) \
698 uint32_t pat, value; \
700 {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF}; \
701 for(pat = 0; pat < sizeof(test)/sizeof(test[0]); pat++) { \
702 E1000_WRITE_REG(&adapter->hw, R, (test[pat] & W)); \
703 value = E1000_READ_REG(&adapter->hw, R); \
704 if(value != (test[pat] & W & M)) { \
705 DPRINTK(DRV, ERR, "pattern test reg %04X failed: got " \
706 "0x%08X expected 0x%08X\n", \
707 E1000_##R, value, (test[pat] & W & M)); \
708 *data = (adapter->hw.mac_type < e1000_82543) ? \
709 E1000_82542_##R : E1000_##R; \
715 #define REG_SET_AND_CHECK(R, M, W) \
718 E1000_WRITE_REG(&adapter->hw, R, W & M); \
719 value = E1000_READ_REG(&adapter->hw, R); \
720 if((W & M) != (value & M)) { \
721 DPRINTK(DRV, ERR, "set/check reg %04X test failed: got 0x%08X "\
722 "expected 0x%08X\n", E1000_##R, (value & M), (W & M)); \
723 *data = (adapter->hw.mac_type < e1000_82543) ? \
724 E1000_82542_##R : E1000_##R; \
730 e1000_reg_test(struct e1000_adapter *adapter, uint64_t *data)
732 uint32_t value, before, after;
735 /* The status register is Read Only, so a write should fail.
736 * Some bits that get toggled are ignored.
738 switch (adapter->hw.mac_type) {
739 /* there are several bits on newer hardware that are r/w */
752 before = E1000_READ_REG(&adapter->hw, STATUS);
753 value = (E1000_READ_REG(&adapter->hw, STATUS) & toggle);
754 E1000_WRITE_REG(&adapter->hw, STATUS, toggle);
755 after = E1000_READ_REG(&adapter->hw, STATUS) & toggle;
757 DPRINTK(DRV, ERR, "failed STATUS register test got: "
758 "0x%08X expected: 0x%08X\n", after, value);
762 /* restore previous status */
763 E1000_WRITE_REG(&adapter->hw, STATUS, before);
765 REG_PATTERN_TEST(FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
766 REG_PATTERN_TEST(FCAH, 0x0000FFFF, 0xFFFFFFFF);
767 REG_PATTERN_TEST(FCT, 0x0000FFFF, 0xFFFFFFFF);
768 REG_PATTERN_TEST(VET, 0x0000FFFF, 0xFFFFFFFF);
769 REG_PATTERN_TEST(RDTR, 0x0000FFFF, 0xFFFFFFFF);
770 REG_PATTERN_TEST(RDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
771 REG_PATTERN_TEST(RDLEN, 0x000FFF80, 0x000FFFFF);
772 REG_PATTERN_TEST(RDH, 0x0000FFFF, 0x0000FFFF);
773 REG_PATTERN_TEST(RDT, 0x0000FFFF, 0x0000FFFF);
774 REG_PATTERN_TEST(FCRTH, 0x0000FFF8, 0x0000FFF8);
775 REG_PATTERN_TEST(FCTTV, 0x0000FFFF, 0x0000FFFF);
776 REG_PATTERN_TEST(TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
777 REG_PATTERN_TEST(TDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
778 REG_PATTERN_TEST(TDLEN, 0x000FFF80, 0x000FFFFF);
780 REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x00000000);
781 REG_SET_AND_CHECK(RCTL, 0x06DFB3FE, 0x003FFFFB);
782 REG_SET_AND_CHECK(TCTL, 0xFFFFFFFF, 0x00000000);
784 if(adapter->hw.mac_type >= e1000_82543) {
786 REG_SET_AND_CHECK(RCTL, 0x06DFB3FE, 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);
792 for(i = 0; i < E1000_RAR_ENTRIES; i++) {
793 REG_PATTERN_TEST(RA + ((i << 1) << 2), 0xFFFFFFFF,
795 REG_PATTERN_TEST(RA + (((i << 1) + 1) << 2), 0x8003FFFF,
801 REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x01FFFFFF);
802 REG_PATTERN_TEST(RDBAL, 0xFFFFF000, 0xFFFFFFFF);
803 REG_PATTERN_TEST(TXCW, 0x0000FFFF, 0x0000FFFF);
804 REG_PATTERN_TEST(TDBAL, 0xFFFFF000, 0xFFFFFFFF);
808 for(i = 0; i < E1000_MC_TBL_SIZE; i++)
809 REG_PATTERN_TEST(MTA + (i << 2), 0xFFFFFFFF, 0xFFFFFFFF);
816 e1000_eeprom_test(struct e1000_adapter *adapter, uint64_t *data)
819 uint16_t checksum = 0;
823 /* Read and add up the contents of the EEPROM */
824 for(i = 0; i < (EEPROM_CHECKSUM_REG + 1); i++) {
825 if((e1000_read_eeprom(&adapter->hw, i, 1, &temp)) < 0) {
832 /* If Checksum is not Correct return error else test passed */
833 if((checksum != (uint16_t) EEPROM_SUM) && !(*data))
840 e1000_test_intr(int irq,
842 struct pt_regs *regs)
844 struct net_device *netdev = (struct net_device *) data;
845 struct e1000_adapter *adapter = netdev_priv(netdev);
847 adapter->test_icr |= E1000_READ_REG(&adapter->hw, ICR);
853 e1000_intr_test(struct e1000_adapter *adapter, uint64_t *data)
855 struct net_device *netdev = adapter->netdev;
856 uint32_t mask, i=0, shared_int = TRUE;
857 uint32_t irq = adapter->pdev->irq;
861 /* Hook up test interrupt handler just for this test */
862 if(!request_irq(irq, &e1000_test_intr, 0, netdev->name, netdev)) {
864 } else if(request_irq(irq, &e1000_test_intr, SA_SHIRQ,
865 netdev->name, netdev)){
870 /* Disable all the interrupts */
871 E1000_WRITE_REG(&adapter->hw, IMC, 0xFFFFFFFF);
874 /* Test each interrupt */
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;
888 E1000_WRITE_REG(&adapter->hw, IMC, mask);
889 E1000_WRITE_REG(&adapter->hw, ICS, mask);
892 if(adapter->test_icr & mask) {
898 /* Enable the interrupt to be reported in
899 * the cause register and then force the same
900 * interrupt and see if one gets posted. If
901 * an interrupt was not posted to the bus, the
904 adapter->test_icr = 0;
905 E1000_WRITE_REG(&adapter->hw, IMS, mask);
906 E1000_WRITE_REG(&adapter->hw, ICS, mask);
909 if(!(adapter->test_icr & mask)) {
915 /* Disable the other interrupts to be reported in
916 * the cause register and then force the other
917 * interrupts and see if any get posted. If
918 * an interrupt was posted to the bus, the
921 adapter->test_icr = 0;
922 E1000_WRITE_REG(&adapter->hw, IMC, ~mask & 0x00007FFF);
923 E1000_WRITE_REG(&adapter->hw, ICS, ~mask & 0x00007FFF);
926 if(adapter->test_icr) {
933 /* Disable all the interrupts */
934 E1000_WRITE_REG(&adapter->hw, IMC, 0xFFFFFFFF);
937 /* Unhook test interrupt handler */
938 free_irq(irq, netdev);
944 e1000_free_desc_rings(struct e1000_adapter *adapter)
946 struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
947 struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
948 struct pci_dev *pdev = adapter->pdev;
951 if(txdr->desc && txdr->buffer_info) {
952 for(i = 0; i < txdr->count; i++) {
953 if(txdr->buffer_info[i].dma)
954 pci_unmap_single(pdev, txdr->buffer_info[i].dma,
955 txdr->buffer_info[i].length,
957 if(txdr->buffer_info[i].skb)
958 dev_kfree_skb(txdr->buffer_info[i].skb);
962 if(rxdr->desc && rxdr->buffer_info) {
963 for(i = 0; i < rxdr->count; i++) {
964 if(rxdr->buffer_info[i].dma)
965 pci_unmap_single(pdev, rxdr->buffer_info[i].dma,
966 rxdr->buffer_info[i].length,
968 if(rxdr->buffer_info[i].skb)
969 dev_kfree_skb(rxdr->buffer_info[i].skb);
974 pci_free_consistent(pdev, txdr->size, txdr->desc, txdr->dma);
978 pci_free_consistent(pdev, rxdr->size, rxdr->desc, rxdr->dma);
982 kfree(txdr->buffer_info);
983 txdr->buffer_info = NULL;
984 kfree(rxdr->buffer_info);
985 rxdr->buffer_info = NULL;
990 e1000_setup_desc_rings(struct e1000_adapter *adapter)
992 struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
993 struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
994 struct pci_dev *pdev = adapter->pdev;
996 int size, i, ret_val;
998 /* Setup Tx descriptor ring and Tx buffers */
1001 txdr->count = E1000_DEFAULT_TXD;
1003 size = txdr->count * sizeof(struct e1000_buffer);
1004 if(!(txdr->buffer_info = kmalloc(size, GFP_KERNEL))) {
1008 memset(txdr->buffer_info, 0, size);
1010 txdr->size = txdr->count * sizeof(struct e1000_tx_desc);
1011 E1000_ROUNDUP(txdr->size, 4096);
1012 if(!(txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma))) {
1016 memset(txdr->desc, 0, txdr->size);
1017 txdr->next_to_use = txdr->next_to_clean = 0;
1019 E1000_WRITE_REG(&adapter->hw, TDBAL,
1020 ((uint64_t) txdr->dma & 0x00000000FFFFFFFF));
1021 E1000_WRITE_REG(&adapter->hw, TDBAH, ((uint64_t) txdr->dma >> 32));
1022 E1000_WRITE_REG(&adapter->hw, TDLEN,
1023 txdr->count * sizeof(struct e1000_tx_desc));
1024 E1000_WRITE_REG(&adapter->hw, TDH, 0);
1025 E1000_WRITE_REG(&adapter->hw, TDT, 0);
1026 E1000_WRITE_REG(&adapter->hw, TCTL,
1027 E1000_TCTL_PSP | E1000_TCTL_EN |
1028 E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
1029 E1000_FDX_COLLISION_DISTANCE << E1000_COLD_SHIFT);
1031 for(i = 0; i < txdr->count; i++) {
1032 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*txdr, i);
1033 struct sk_buff *skb;
1034 unsigned int size = 1024;
1036 if(!(skb = alloc_skb(size, GFP_KERNEL))) {
1041 txdr->buffer_info[i].skb = skb;
1042 txdr->buffer_info[i].length = skb->len;
1043 txdr->buffer_info[i].dma =
1044 pci_map_single(pdev, skb->data, skb->len,
1046 tx_desc->buffer_addr = cpu_to_le64(txdr->buffer_info[i].dma);
1047 tx_desc->lower.data = cpu_to_le32(skb->len);
1048 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
1049 E1000_TXD_CMD_IFCS |
1051 tx_desc->upper.data = 0;
1054 /* Setup Rx descriptor ring and Rx buffers */
1057 rxdr->count = E1000_DEFAULT_RXD;
1059 size = rxdr->count * sizeof(struct e1000_buffer);
1060 if(!(rxdr->buffer_info = kmalloc(size, GFP_KERNEL))) {
1064 memset(rxdr->buffer_info, 0, size);
1066 rxdr->size = rxdr->count * sizeof(struct e1000_rx_desc);
1067 if(!(rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma))) {
1071 memset(rxdr->desc, 0, rxdr->size);
1072 rxdr->next_to_use = rxdr->next_to_clean = 0;
1074 rctl = E1000_READ_REG(&adapter->hw, RCTL);
1075 E1000_WRITE_REG(&adapter->hw, RCTL, rctl & ~E1000_RCTL_EN);
1076 E1000_WRITE_REG(&adapter->hw, RDBAL,
1077 ((uint64_t) rxdr->dma & 0xFFFFFFFF));
1078 E1000_WRITE_REG(&adapter->hw, RDBAH, ((uint64_t) rxdr->dma >> 32));
1079 E1000_WRITE_REG(&adapter->hw, RDLEN, rxdr->size);
1080 E1000_WRITE_REG(&adapter->hw, RDH, 0);
1081 E1000_WRITE_REG(&adapter->hw, RDT, 0);
1082 rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
1083 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
1084 (adapter->hw.mc_filter_type << E1000_RCTL_MO_SHIFT);
1085 E1000_WRITE_REG(&adapter->hw, RCTL, rctl);
1087 for(i = 0; i < rxdr->count; i++) {
1088 struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rxdr, i);
1089 struct sk_buff *skb;
1091 if(!(skb = alloc_skb(E1000_RXBUFFER_2048 + NET_IP_ALIGN,
1096 skb_reserve(skb, NET_IP_ALIGN);
1097 rxdr->buffer_info[i].skb = skb;
1098 rxdr->buffer_info[i].length = E1000_RXBUFFER_2048;
1099 rxdr->buffer_info[i].dma =
1100 pci_map_single(pdev, skb->data, E1000_RXBUFFER_2048,
1101 PCI_DMA_FROMDEVICE);
1102 rx_desc->buffer_addr = cpu_to_le64(rxdr->buffer_info[i].dma);
1103 memset(skb->data, 0x00, skb->len);
1109 e1000_free_desc_rings(adapter);
1114 e1000_phy_disable_receiver(struct e1000_adapter *adapter)
1116 /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1117 e1000_write_phy_reg(&adapter->hw, 29, 0x001F);
1118 e1000_write_phy_reg(&adapter->hw, 30, 0x8FFC);
1119 e1000_write_phy_reg(&adapter->hw, 29, 0x001A);
1120 e1000_write_phy_reg(&adapter->hw, 30, 0x8FF0);
1124 e1000_phy_reset_clk_and_crs(struct e1000_adapter *adapter)
1128 /* Because we reset the PHY above, we need to re-force TX_CLK in the
1129 * Extended PHY Specific Control Register to 25MHz clock. This
1130 * value defaults back to a 2.5MHz clock when the PHY is reset.
1132 e1000_read_phy_reg(&adapter->hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
1133 phy_reg |= M88E1000_EPSCR_TX_CLK_25;
1134 e1000_write_phy_reg(&adapter->hw,
1135 M88E1000_EXT_PHY_SPEC_CTRL, phy_reg);
1137 /* In addition, because of the s/w reset above, we need to enable
1138 * CRS on TX. This must be set for both full and half duplex
1141 e1000_read_phy_reg(&adapter->hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);
1142 phy_reg |= M88E1000_PSCR_ASSERT_CRS_ON_TX;
1143 e1000_write_phy_reg(&adapter->hw,
1144 M88E1000_PHY_SPEC_CTRL, phy_reg);
1148 e1000_nonintegrated_phy_loopback(struct e1000_adapter *adapter)
1153 /* Setup the Device Control Register for PHY loopback test. */
1155 ctrl_reg = E1000_READ_REG(&adapter->hw, CTRL);
1156 ctrl_reg |= (E1000_CTRL_ILOS | /* Invert Loss-Of-Signal */
1157 E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1158 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1159 E1000_CTRL_SPD_1000 | /* Force Speed to 1000 */
1160 E1000_CTRL_FD); /* Force Duplex to FULL */
1162 E1000_WRITE_REG(&adapter->hw, CTRL, ctrl_reg);
1164 /* Read the PHY Specific Control Register (0x10) */
1165 e1000_read_phy_reg(&adapter->hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);
1167 /* Clear Auto-Crossover bits in PHY Specific Control Register
1170 phy_reg &= ~M88E1000_PSCR_AUTO_X_MODE;
1171 e1000_write_phy_reg(&adapter->hw, M88E1000_PHY_SPEC_CTRL, phy_reg);
1173 /* Perform software reset on the PHY */
1174 e1000_phy_reset(&adapter->hw);
1176 /* Have to setup TX_CLK and TX_CRS after software reset */
1177 e1000_phy_reset_clk_and_crs(adapter);
1179 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x8100);
1181 /* Wait for reset to complete. */
1184 /* Have to setup TX_CLK and TX_CRS after software reset */
1185 e1000_phy_reset_clk_and_crs(adapter);
1187 /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1188 e1000_phy_disable_receiver(adapter);
1190 /* Set the loopback bit in the PHY control register. */
1191 e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg);
1192 phy_reg |= MII_CR_LOOPBACK;
1193 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, phy_reg);
1195 /* Setup TX_CLK and TX_CRS one more time. */
1196 e1000_phy_reset_clk_and_crs(adapter);
1198 /* Check Phy Configuration */
1199 e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg);
1200 if(phy_reg != 0x4100)
1203 e1000_read_phy_reg(&adapter->hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
1204 if(phy_reg != 0x0070)
1207 e1000_read_phy_reg(&adapter->hw, 29, &phy_reg);
1208 if(phy_reg != 0x001A)
1215 e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
1217 uint32_t ctrl_reg = 0;
1218 uint32_t stat_reg = 0;
1220 adapter->hw.autoneg = FALSE;
1222 if(adapter->hw.phy_type == e1000_phy_m88) {
1223 /* Auto-MDI/MDIX Off */
1224 e1000_write_phy_reg(&adapter->hw,
1225 M88E1000_PHY_SPEC_CTRL, 0x0808);
1226 /* reset to update Auto-MDI/MDIX */
1227 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x9140);
1229 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x8140);
1231 /* force 1000, set loopback */
1232 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x4140);
1234 /* Now set up the MAC to the same speed/duplex as the PHY. */
1235 ctrl_reg = E1000_READ_REG(&adapter->hw, CTRL);
1236 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1237 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1238 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1239 E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
1240 E1000_CTRL_FD); /* Force Duplex to FULL */
1242 if(adapter->hw.media_type == e1000_media_type_copper &&
1243 adapter->hw.phy_type == e1000_phy_m88) {
1244 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
1246 /* Set the ILOS bit on the fiber Nic is half
1247 * duplex link is detected. */
1248 stat_reg = E1000_READ_REG(&adapter->hw, STATUS);
1249 if((stat_reg & E1000_STATUS_FD) == 0)
1250 ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
1253 E1000_WRITE_REG(&adapter->hw, CTRL, ctrl_reg);
1255 /* Disable the receiver on the PHY so when a cable is plugged in, the
1256 * PHY does not begin to autoneg when a cable is reconnected to the NIC.
1258 if(adapter->hw.phy_type == e1000_phy_m88)
1259 e1000_phy_disable_receiver(adapter);
1267 e1000_set_phy_loopback(struct e1000_adapter *adapter)
1269 uint16_t phy_reg = 0;
1272 switch (adapter->hw.mac_type) {
1274 if(adapter->hw.media_type == e1000_media_type_copper) {
1275 /* Attempt to setup Loopback mode on Non-integrated PHY.
1276 * Some PHY registers get corrupted at random, so
1277 * attempt this 10 times.
1279 while(e1000_nonintegrated_phy_loopback(adapter) &&
1289 case e1000_82545_rev_3:
1291 case e1000_82546_rev_3:
1293 case e1000_82541_rev_2:
1295 case e1000_82547_rev_2:
1299 return e1000_integrated_phy_loopback(adapter);
1303 /* Default PHY loopback work is to read the MII
1304 * control register and assert bit 14 (loopback mode).
1306 e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg);
1307 phy_reg |= MII_CR_LOOPBACK;
1308 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, phy_reg);
1317 e1000_setup_loopback_test(struct e1000_adapter *adapter)
1321 if(adapter->hw.media_type == e1000_media_type_fiber ||
1322 adapter->hw.media_type == e1000_media_type_internal_serdes) {
1323 if(adapter->hw.mac_type == e1000_82545 ||
1324 adapter->hw.mac_type == e1000_82546 ||
1325 adapter->hw.mac_type == e1000_82545_rev_3 ||
1326 adapter->hw.mac_type == e1000_82546_rev_3)
1327 return e1000_set_phy_loopback(adapter);
1329 rctl = E1000_READ_REG(&adapter->hw, RCTL);
1330 rctl |= E1000_RCTL_LBM_TCVR;
1331 E1000_WRITE_REG(&adapter->hw, RCTL, rctl);
1334 } else if(adapter->hw.media_type == e1000_media_type_copper)
1335 return e1000_set_phy_loopback(adapter);
1341 e1000_loopback_cleanup(struct e1000_adapter *adapter)
1346 rctl = E1000_READ_REG(&adapter->hw, RCTL);
1347 rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
1348 E1000_WRITE_REG(&adapter->hw, RCTL, rctl);
1350 if(adapter->hw.media_type == e1000_media_type_copper ||
1351 ((adapter->hw.media_type == e1000_media_type_fiber ||
1352 adapter->hw.media_type == e1000_media_type_internal_serdes) &&
1353 (adapter->hw.mac_type == e1000_82545 ||
1354 adapter->hw.mac_type == e1000_82546 ||
1355 adapter->hw.mac_type == e1000_82545_rev_3 ||
1356 adapter->hw.mac_type == e1000_82546_rev_3))) {
1357 adapter->hw.autoneg = TRUE;
1358 e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg);
1359 if(phy_reg & MII_CR_LOOPBACK) {
1360 phy_reg &= ~MII_CR_LOOPBACK;
1361 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, phy_reg);
1362 e1000_phy_reset(&adapter->hw);
1368 e1000_create_lbtest_frame(struct sk_buff *skb, unsigned int frame_size)
1370 memset(skb->data, 0xFF, frame_size);
1371 frame_size = (frame_size % 2) ? (frame_size - 1) : frame_size;
1372 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1373 memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
1374 memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
1378 e1000_check_lbtest_frame(struct sk_buff *skb, unsigned int frame_size)
1380 frame_size = (frame_size % 2) ? (frame_size - 1) : frame_size;
1381 if(*(skb->data + 3) == 0xFF) {
1382 if((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
1383 (*(skb->data + frame_size / 2 + 12) == 0xAF)) {
1391 e1000_run_loopback_test(struct e1000_adapter *adapter)
1393 struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
1394 struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
1395 struct pci_dev *pdev = adapter->pdev;
1396 int i, j, k, l, lc, good_cnt, ret_val=0;
1399 E1000_WRITE_REG(&adapter->hw, RDT, rxdr->count - 1);
1401 /* Calculate the loop count based on the largest descriptor ring
1402 * The idea is to wrap the largest ring a number of times using 64
1403 * send/receive pairs during each loop
1406 if(rxdr->count <= txdr->count)
1407 lc = ((txdr->count / 64) * 2) + 1;
1409 lc = ((rxdr->count / 64) * 2) + 1;
1412 for(j = 0; j <= lc; j++) { /* loop count loop */
1413 for(i = 0; i < 64; i++) { /* send the packets */
1414 e1000_create_lbtest_frame(txdr->buffer_info[i].skb,
1416 pci_dma_sync_single_for_device(pdev,
1417 txdr->buffer_info[k].dma,
1418 txdr->buffer_info[k].length,
1420 if(unlikely(++k == txdr->count)) k = 0;
1422 E1000_WRITE_REG(&adapter->hw, TDT, k);
1424 time = jiffies; /* set the start time for the receive */
1426 do { /* receive the sent packets */
1427 pci_dma_sync_single_for_cpu(pdev,
1428 rxdr->buffer_info[l].dma,
1429 rxdr->buffer_info[l].length,
1430 PCI_DMA_FROMDEVICE);
1432 ret_val = e1000_check_lbtest_frame(
1433 rxdr->buffer_info[l].skb,
1437 if(unlikely(++l == rxdr->count)) l = 0;
1438 /* time + 20 msecs (200 msecs on 2.4) is more than
1439 * enough time to complete the receives, if it's
1440 * exceeded, break and error off
1442 } while (good_cnt < 64 && jiffies < (time + 20));
1443 if(good_cnt != 64) {
1444 ret_val = 13; /* ret_val is the same as mis-compare */
1447 if(jiffies >= (time + 2)) {
1448 ret_val = 14; /* error code for time out error */
1451 } /* end loop count loop */
1456 e1000_loopback_test(struct e1000_adapter *adapter, uint64_t *data)
1458 /* PHY loopback cannot be performed if SoL/IDER
1459 * sessions are active */
1460 if (e1000_check_phy_reset_block(&adapter->hw)) {
1461 DPRINTK(DRV, ERR, "Cannot do PHY loopback test "
1462 "when SoL/IDER is active.\n");
1467 if ((*data = e1000_setup_desc_rings(adapter)))
1469 if ((*data = e1000_setup_loopback_test(adapter)))
1471 *data = e1000_run_loopback_test(adapter);
1472 e1000_loopback_cleanup(adapter);
1475 e1000_free_desc_rings(adapter);
1481 e1000_link_test(struct e1000_adapter *adapter, uint64_t *data)
1484 if (adapter->hw.media_type == e1000_media_type_internal_serdes) {
1486 adapter->hw.serdes_link_down = TRUE;
1488 /* On some blade server designs, link establishment
1489 * could take as long as 2-3 minutes */
1491 e1000_check_for_link(&adapter->hw);
1492 if (adapter->hw.serdes_link_down == FALSE)
1495 } while (i++ < 3750);
1499 e1000_check_for_link(&adapter->hw);
1500 if(adapter->hw.autoneg) /* if auto_neg is set wait for it */
1503 if(!(E1000_READ_REG(&adapter->hw, STATUS) & E1000_STATUS_LU)) {
1511 e1000_diag_test_count(struct net_device *netdev)
1513 return E1000_TEST_LEN;
1517 e1000_diag_test(struct net_device *netdev,
1518 struct ethtool_test *eth_test, uint64_t *data)
1520 struct e1000_adapter *adapter = netdev_priv(netdev);
1521 boolean_t if_running = netif_running(netdev);
1523 if(eth_test->flags == ETH_TEST_FL_OFFLINE) {
1526 /* save speed, duplex, autoneg settings */
1527 uint16_t autoneg_advertised = adapter->hw.autoneg_advertised;
1528 uint8_t forced_speed_duplex = adapter->hw.forced_speed_duplex;
1529 uint8_t autoneg = adapter->hw.autoneg;
1531 /* Link test performed before hardware reset so autoneg doesn't
1532 * interfere with test result */
1533 if(e1000_link_test(adapter, &data[4]))
1534 eth_test->flags |= ETH_TEST_FL_FAILED;
1537 e1000_down(adapter);
1539 e1000_reset(adapter);
1541 if(e1000_reg_test(adapter, &data[0]))
1542 eth_test->flags |= ETH_TEST_FL_FAILED;
1544 e1000_reset(adapter);
1545 if(e1000_eeprom_test(adapter, &data[1]))
1546 eth_test->flags |= ETH_TEST_FL_FAILED;
1548 e1000_reset(adapter);
1549 if(e1000_intr_test(adapter, &data[2]))
1550 eth_test->flags |= ETH_TEST_FL_FAILED;
1552 e1000_reset(adapter);
1553 if(e1000_loopback_test(adapter, &data[3]))
1554 eth_test->flags |= ETH_TEST_FL_FAILED;
1556 /* restore speed, duplex, autoneg settings */
1557 adapter->hw.autoneg_advertised = autoneg_advertised;
1558 adapter->hw.forced_speed_duplex = forced_speed_duplex;
1559 adapter->hw.autoneg = autoneg;
1561 e1000_reset(adapter);
1566 if(e1000_link_test(adapter, &data[4]))
1567 eth_test->flags |= ETH_TEST_FL_FAILED;
1569 /* Offline tests aren't run; pass by default */
1575 msleep_interruptible(4 * 1000);
1579 e1000_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1581 struct e1000_adapter *adapter = netdev_priv(netdev);
1582 struct e1000_hw *hw = &adapter->hw;
1584 switch(adapter->hw.device_id) {
1585 case E1000_DEV_ID_82542:
1586 case E1000_DEV_ID_82543GC_FIBER:
1587 case E1000_DEV_ID_82543GC_COPPER:
1588 case E1000_DEV_ID_82544EI_FIBER:
1589 case E1000_DEV_ID_82546EB_QUAD_COPPER:
1590 case E1000_DEV_ID_82545EM_FIBER:
1591 case E1000_DEV_ID_82545EM_COPPER:
1596 case E1000_DEV_ID_82546EB_FIBER:
1597 case E1000_DEV_ID_82546GB_FIBER:
1598 /* Wake events only supported on port A for dual fiber */
1599 if(E1000_READ_REG(hw, STATUS) & E1000_STATUS_FUNC_1) {
1607 wol->supported = WAKE_UCAST | WAKE_MCAST |
1608 WAKE_BCAST | WAKE_MAGIC;
1611 if(adapter->wol & E1000_WUFC_EX)
1612 wol->wolopts |= WAKE_UCAST;
1613 if(adapter->wol & E1000_WUFC_MC)
1614 wol->wolopts |= WAKE_MCAST;
1615 if(adapter->wol & E1000_WUFC_BC)
1616 wol->wolopts |= WAKE_BCAST;
1617 if(adapter->wol & E1000_WUFC_MAG)
1618 wol->wolopts |= WAKE_MAGIC;
1624 e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1626 struct e1000_adapter *adapter = netdev_priv(netdev);
1627 struct e1000_hw *hw = &adapter->hw;
1629 switch(adapter->hw.device_id) {
1630 case E1000_DEV_ID_82542:
1631 case E1000_DEV_ID_82543GC_FIBER:
1632 case E1000_DEV_ID_82543GC_COPPER:
1633 case E1000_DEV_ID_82544EI_FIBER:
1634 case E1000_DEV_ID_82546EB_QUAD_COPPER:
1635 case E1000_DEV_ID_82545EM_FIBER:
1636 case E1000_DEV_ID_82545EM_COPPER:
1637 return wol->wolopts ? -EOPNOTSUPP : 0;
1639 case E1000_DEV_ID_82546EB_FIBER:
1640 case E1000_DEV_ID_82546GB_FIBER:
1641 /* Wake events only supported on port A for dual fiber */
1642 if(E1000_READ_REG(hw, STATUS) & E1000_STATUS_FUNC_1)
1643 return wol->wolopts ? -EOPNOTSUPP : 0;
1647 if(wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
1652 if(wol->wolopts & WAKE_UCAST)
1653 adapter->wol |= E1000_WUFC_EX;
1654 if(wol->wolopts & WAKE_MCAST)
1655 adapter->wol |= E1000_WUFC_MC;
1656 if(wol->wolopts & WAKE_BCAST)
1657 adapter->wol |= E1000_WUFC_BC;
1658 if(wol->wolopts & WAKE_MAGIC)
1659 adapter->wol |= E1000_WUFC_MAG;
1665 /* toggle LED 4 times per second = 2 "blinks" per second */
1666 #define E1000_ID_INTERVAL (HZ/4)
1668 /* bit defines for adapter->led_status */
1669 #define E1000_LED_ON 0
1672 e1000_led_blink_callback(unsigned long data)
1674 struct e1000_adapter *adapter = (struct e1000_adapter *) data;
1676 if(test_and_change_bit(E1000_LED_ON, &adapter->led_status))
1677 e1000_led_off(&adapter->hw);
1679 e1000_led_on(&adapter->hw);
1681 mod_timer(&adapter->blink_timer, jiffies + E1000_ID_INTERVAL);
1685 e1000_phys_id(struct net_device *netdev, uint32_t data)
1687 struct e1000_adapter *adapter = netdev_priv(netdev);
1689 if(!data || data > (uint32_t)(MAX_SCHEDULE_TIMEOUT / HZ))
1690 data = (uint32_t)(MAX_SCHEDULE_TIMEOUT / HZ);
1692 if(adapter->hw.mac_type < e1000_82571) {
1693 if(!adapter->blink_timer.function) {
1694 init_timer(&adapter->blink_timer);
1695 adapter->blink_timer.function = e1000_led_blink_callback;
1696 adapter->blink_timer.data = (unsigned long) adapter;
1698 e1000_setup_led(&adapter->hw);
1699 mod_timer(&adapter->blink_timer, jiffies);
1700 msleep_interruptible(data * 1000);
1701 del_timer_sync(&adapter->blink_timer);
1702 } else if (adapter->hw.mac_type < e1000_82573) {
1703 E1000_WRITE_REG(&adapter->hw, LEDCTL,
1704 (E1000_LEDCTL_LED2_BLINK_RATE |
1705 E1000_LEDCTL_LED0_BLINK | E1000_LEDCTL_LED2_BLINK |
1706 (E1000_LEDCTL_MODE_LED_ON << E1000_LEDCTL_LED2_MODE_SHIFT) |
1707 (E1000_LEDCTL_MODE_LINK_ACTIVITY << E1000_LEDCTL_LED0_MODE_SHIFT) |
1708 (E1000_LEDCTL_MODE_LED_OFF << E1000_LEDCTL_LED1_MODE_SHIFT)));
1709 msleep_interruptible(data * 1000);
1711 E1000_WRITE_REG(&adapter->hw, LEDCTL,
1712 (E1000_LEDCTL_LED2_BLINK_RATE |
1713 E1000_LEDCTL_LED1_BLINK | E1000_LEDCTL_LED2_BLINK |
1714 (E1000_LEDCTL_MODE_LED_ON << E1000_LEDCTL_LED2_MODE_SHIFT) |
1715 (E1000_LEDCTL_MODE_LINK_ACTIVITY << E1000_LEDCTL_LED1_MODE_SHIFT) |
1716 (E1000_LEDCTL_MODE_LED_OFF << E1000_LEDCTL_LED0_MODE_SHIFT)));
1717 msleep_interruptible(data * 1000);
1720 e1000_led_off(&adapter->hw);
1721 clear_bit(E1000_LED_ON, &adapter->led_status);
1722 e1000_cleanup_led(&adapter->hw);
1728 e1000_nway_reset(struct net_device *netdev)
1730 struct e1000_adapter *adapter = netdev_priv(netdev);
1731 if(netif_running(netdev)) {
1732 e1000_down(adapter);
1739 e1000_get_stats_count(struct net_device *netdev)
1741 return E1000_STATS_LEN;
1745 e1000_get_ethtool_stats(struct net_device *netdev,
1746 struct ethtool_stats *stats, uint64_t *data)
1748 struct e1000_adapter *adapter = netdev_priv(netdev);
1751 e1000_update_stats(adapter);
1752 for(i = 0; i < E1000_STATS_LEN; i++) {
1753 char *p = (char *)adapter+e1000_gstrings_stats[i].stat_offset;
1754 data[i] = (e1000_gstrings_stats[i].sizeof_stat ==
1755 sizeof(uint64_t)) ? *(uint64_t *)p : *(uint32_t *)p;
1760 e1000_get_strings(struct net_device *netdev, uint32_t stringset, uint8_t *data)
1766 memcpy(data, *e1000_gstrings_test,
1767 E1000_TEST_LEN*ETH_GSTRING_LEN);
1770 for (i=0; i < E1000_STATS_LEN; i++) {
1771 memcpy(data + i * ETH_GSTRING_LEN,
1772 e1000_gstrings_stats[i].stat_string,
1779 static struct ethtool_ops e1000_ethtool_ops = {
1780 .get_settings = e1000_get_settings,
1781 .set_settings = e1000_set_settings,
1782 .get_drvinfo = e1000_get_drvinfo,
1783 .get_regs_len = e1000_get_regs_len,
1784 .get_regs = e1000_get_regs,
1785 .get_wol = e1000_get_wol,
1786 .set_wol = e1000_set_wol,
1787 .get_msglevel = e1000_get_msglevel,
1788 .set_msglevel = e1000_set_msglevel,
1789 .nway_reset = e1000_nway_reset,
1790 .get_link = ethtool_op_get_link,
1791 .get_eeprom_len = e1000_get_eeprom_len,
1792 .get_eeprom = e1000_get_eeprom,
1793 .set_eeprom = e1000_set_eeprom,
1794 .get_ringparam = e1000_get_ringparam,
1795 .set_ringparam = e1000_set_ringparam,
1796 .get_pauseparam = e1000_get_pauseparam,
1797 .set_pauseparam = e1000_set_pauseparam,
1798 .get_rx_csum = e1000_get_rx_csum,
1799 .set_rx_csum = e1000_set_rx_csum,
1800 .get_tx_csum = e1000_get_tx_csum,
1801 .set_tx_csum = e1000_set_tx_csum,
1802 .get_sg = ethtool_op_get_sg,
1803 .set_sg = ethtool_op_set_sg,
1805 .get_tso = ethtool_op_get_tso,
1806 .set_tso = e1000_set_tso,
1808 .self_test_count = e1000_diag_test_count,
1809 .self_test = e1000_diag_test,
1810 .get_strings = e1000_get_strings,
1811 .phys_id = e1000_phys_id,
1812 .get_stats_count = e1000_get_stats_count,
1813 .get_ethtool_stats = e1000_get_ethtool_stats,
1814 .get_perm_addr = ethtool_op_get_perm_addr,
1817 void e1000_set_ethtool_ops(struct net_device *netdev)
1819 SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops);