1 /*******************************************************************************
3 Intel PRO/1000 Linux driver
4 Copyright(c) 1999 - 2006 Intel Corporation.
6 This program is free software; you can redistribute it and/or modify it
7 under the terms and conditions of the GNU General Public License,
8 version 2, as published by the Free Software Foundation.
10 This program is distributed in the hope it will be useful, but WITHOUT
11 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
15 You should have received a copy of the GNU General Public License along with
16 this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
19 The full GNU General Public License is included in this distribution in
20 the file called "COPYING".
23 Linux NICS <linux.nics@intel.com>
24 e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
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_reinit_locked(struct e1000_adapter *adapter);
41 extern void e1000_reset(struct e1000_adapter *adapter);
42 extern int e1000_set_spd_dplx(struct e1000_adapter *adapter, uint16_t spddplx);
43 extern int e1000_setup_all_rx_resources(struct e1000_adapter *adapter);
44 extern int e1000_setup_all_tx_resources(struct e1000_adapter *adapter);
45 extern void e1000_free_all_rx_resources(struct e1000_adapter *adapter);
46 extern void e1000_free_all_tx_resources(struct e1000_adapter *adapter);
47 extern void e1000_update_stats(struct e1000_adapter *adapter);
51 char stat_string[ETH_GSTRING_LEN];
56 #define E1000_STAT(m) sizeof(((struct e1000_adapter *)0)->m), \
57 offsetof(struct e1000_adapter, m)
58 static const struct e1000_stats e1000_gstrings_stats[] = {
59 { "rx_packets", E1000_STAT(stats.gprc) },
60 { "tx_packets", E1000_STAT(stats.gptc) },
61 { "rx_bytes", E1000_STAT(stats.gorcl) },
62 { "tx_bytes", E1000_STAT(stats.gotcl) },
63 { "rx_broadcast", E1000_STAT(stats.bprc) },
64 { "tx_broadcast", E1000_STAT(stats.bptc) },
65 { "rx_multicast", E1000_STAT(stats.mprc) },
66 { "tx_multicast", E1000_STAT(stats.mptc) },
67 { "rx_errors", E1000_STAT(stats.rxerrc) },
68 { "tx_errors", E1000_STAT(stats.txerrc) },
69 { "tx_dropped", E1000_STAT(net_stats.tx_dropped) },
70 { "multicast", E1000_STAT(stats.mprc) },
71 { "collisions", E1000_STAT(stats.colc) },
72 { "rx_length_errors", E1000_STAT(stats.rlerrc) },
73 { "rx_over_errors", E1000_STAT(net_stats.rx_over_errors) },
74 { "rx_crc_errors", E1000_STAT(stats.crcerrs) },
75 { "rx_frame_errors", E1000_STAT(net_stats.rx_frame_errors) },
76 { "rx_no_buffer_count", E1000_STAT(stats.rnbc) },
77 { "rx_missed_errors", E1000_STAT(stats.mpc) },
78 { "tx_aborted_errors", E1000_STAT(stats.ecol) },
79 { "tx_carrier_errors", E1000_STAT(stats.tncrs) },
80 { "tx_fifo_errors", E1000_STAT(net_stats.tx_fifo_errors) },
81 { "tx_heartbeat_errors", E1000_STAT(net_stats.tx_heartbeat_errors) },
82 { "tx_window_errors", E1000_STAT(stats.latecol) },
83 { "tx_abort_late_coll", E1000_STAT(stats.latecol) },
84 { "tx_deferred_ok", E1000_STAT(stats.dc) },
85 { "tx_single_coll_ok", E1000_STAT(stats.scc) },
86 { "tx_multi_coll_ok", E1000_STAT(stats.mcc) },
87 { "tx_timeout_count", E1000_STAT(tx_timeout_count) },
88 { "tx_restart_queue", E1000_STAT(restart_queue) },
89 { "rx_long_length_errors", E1000_STAT(stats.roc) },
90 { "rx_short_length_errors", E1000_STAT(stats.ruc) },
91 { "rx_align_errors", E1000_STAT(stats.algnerrc) },
92 { "tx_tcp_seg_good", E1000_STAT(stats.tsctc) },
93 { "tx_tcp_seg_failed", E1000_STAT(stats.tsctfc) },
94 { "rx_flow_control_xon", E1000_STAT(stats.xonrxc) },
95 { "rx_flow_control_xoff", E1000_STAT(stats.xoffrxc) },
96 { "tx_flow_control_xon", E1000_STAT(stats.xontxc) },
97 { "tx_flow_control_xoff", E1000_STAT(stats.xofftxc) },
98 { "rx_long_byte_count", E1000_STAT(stats.gorcl) },
99 { "rx_csum_offload_good", E1000_STAT(hw_csum_good) },
100 { "rx_csum_offload_errors", E1000_STAT(hw_csum_err) },
101 { "rx_header_split", E1000_STAT(rx_hdr_split) },
102 { "alloc_rx_buff_failed", E1000_STAT(alloc_rx_buff_failed) },
105 #define E1000_QUEUE_STATS_LEN 0
106 #define E1000_GLOBAL_STATS_LEN \
107 sizeof(e1000_gstrings_stats) / sizeof(struct e1000_stats)
108 #define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN + E1000_QUEUE_STATS_LEN)
109 static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = {
110 "Register test (offline)", "Eeprom test (offline)",
111 "Interrupt test (offline)", "Loopback test (offline)",
112 "Link test (on/offline)"
114 #define E1000_TEST_LEN sizeof(e1000_gstrings_test) / ETH_GSTRING_LEN
117 e1000_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
119 struct e1000_adapter *adapter = netdev_priv(netdev);
120 struct e1000_hw *hw = &adapter->hw;
122 if (hw->media_type == e1000_media_type_copper) {
124 ecmd->supported = (SUPPORTED_10baseT_Half |
125 SUPPORTED_10baseT_Full |
126 SUPPORTED_100baseT_Half |
127 SUPPORTED_100baseT_Full |
128 SUPPORTED_1000baseT_Full|
131 if (hw->phy_type == e1000_phy_ife)
132 ecmd->supported &= ~SUPPORTED_1000baseT_Full;
133 ecmd->advertising = ADVERTISED_TP;
135 if (hw->autoneg == 1) {
136 ecmd->advertising |= ADVERTISED_Autoneg;
137 /* the e1000 autoneg seems to match ethtool nicely */
138 ecmd->advertising |= hw->autoneg_advertised;
141 ecmd->port = PORT_TP;
142 ecmd->phy_address = hw->phy_addr;
144 if (hw->mac_type == e1000_82543)
145 ecmd->transceiver = XCVR_EXTERNAL;
147 ecmd->transceiver = XCVR_INTERNAL;
150 ecmd->supported = (SUPPORTED_1000baseT_Full |
154 ecmd->advertising = (ADVERTISED_1000baseT_Full |
158 ecmd->port = PORT_FIBRE;
160 if (hw->mac_type >= e1000_82545)
161 ecmd->transceiver = XCVR_INTERNAL;
163 ecmd->transceiver = XCVR_EXTERNAL;
166 if (netif_carrier_ok(adapter->netdev)) {
168 e1000_get_speed_and_duplex(hw, &adapter->link_speed,
169 &adapter->link_duplex);
170 ecmd->speed = adapter->link_speed;
172 /* unfortunatly FULL_DUPLEX != DUPLEX_FULL
173 * and HALF_DUPLEX != DUPLEX_HALF */
175 if (adapter->link_duplex == FULL_DUPLEX)
176 ecmd->duplex = DUPLEX_FULL;
178 ecmd->duplex = DUPLEX_HALF;
184 ecmd->autoneg = ((hw->media_type == e1000_media_type_fiber) ||
185 hw->autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE;
190 e1000_set_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
192 struct e1000_adapter *adapter = netdev_priv(netdev);
193 struct e1000_hw *hw = &adapter->hw;
195 /* When SoL/IDER sessions are active, autoneg/speed/duplex
196 * cannot be changed */
197 if (e1000_check_phy_reset_block(hw)) {
198 DPRINTK(DRV, ERR, "Cannot change link characteristics "
199 "when SoL/IDER is active.\n");
203 while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
206 if (ecmd->autoneg == AUTONEG_ENABLE) {
208 if (hw->media_type == e1000_media_type_fiber)
209 hw->autoneg_advertised = ADVERTISED_1000baseT_Full |
213 hw->autoneg_advertised = ecmd->advertising |
216 ecmd->advertising = hw->autoneg_advertised;
218 if (e1000_set_spd_dplx(adapter, ecmd->speed + ecmd->duplex)) {
219 clear_bit(__E1000_RESETTING, &adapter->flags);
225 if (netif_running(adapter->netdev)) {
229 e1000_reset(adapter);
231 clear_bit(__E1000_RESETTING, &adapter->flags);
236 e1000_get_pauseparam(struct net_device *netdev,
237 struct ethtool_pauseparam *pause)
239 struct e1000_adapter *adapter = netdev_priv(netdev);
240 struct e1000_hw *hw = &adapter->hw;
243 (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE);
245 if (hw->fc == E1000_FC_RX_PAUSE)
247 else if (hw->fc == E1000_FC_TX_PAUSE)
249 else if (hw->fc == E1000_FC_FULL) {
256 e1000_set_pauseparam(struct net_device *netdev,
257 struct ethtool_pauseparam *pause)
259 struct e1000_adapter *adapter = netdev_priv(netdev);
260 struct e1000_hw *hw = &adapter->hw;
263 adapter->fc_autoneg = pause->autoneg;
265 while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
268 if (pause->rx_pause && pause->tx_pause)
269 hw->fc = E1000_FC_FULL;
270 else if (pause->rx_pause && !pause->tx_pause)
271 hw->fc = E1000_FC_RX_PAUSE;
272 else if (!pause->rx_pause && pause->tx_pause)
273 hw->fc = E1000_FC_TX_PAUSE;
274 else if (!pause->rx_pause && !pause->tx_pause)
275 hw->fc = E1000_FC_NONE;
277 hw->original_fc = hw->fc;
279 if (adapter->fc_autoneg == AUTONEG_ENABLE) {
280 if (netif_running(adapter->netdev)) {
284 e1000_reset(adapter);
286 retval = ((hw->media_type == e1000_media_type_fiber) ?
287 e1000_setup_link(hw) : e1000_force_mac_fc(hw));
289 clear_bit(__E1000_RESETTING, &adapter->flags);
294 e1000_get_rx_csum(struct net_device *netdev)
296 struct e1000_adapter *adapter = netdev_priv(netdev);
297 return adapter->rx_csum;
301 e1000_set_rx_csum(struct net_device *netdev, uint32_t data)
303 struct e1000_adapter *adapter = netdev_priv(netdev);
304 adapter->rx_csum = data;
306 if (netif_running(netdev))
307 e1000_reinit_locked(adapter);
309 e1000_reset(adapter);
314 e1000_get_tx_csum(struct net_device *netdev)
316 return (netdev->features & NETIF_F_HW_CSUM) != 0;
320 e1000_set_tx_csum(struct net_device *netdev, uint32_t data)
322 struct e1000_adapter *adapter = netdev_priv(netdev);
324 if (adapter->hw.mac_type < e1000_82543) {
331 netdev->features |= NETIF_F_HW_CSUM;
333 netdev->features &= ~NETIF_F_HW_CSUM;
340 e1000_set_tso(struct net_device *netdev, uint32_t data)
342 struct e1000_adapter *adapter = netdev_priv(netdev);
343 if ((adapter->hw.mac_type < e1000_82544) ||
344 (adapter->hw.mac_type == e1000_82547))
345 return data ? -EINVAL : 0;
348 netdev->features |= NETIF_F_TSO;
350 netdev->features &= ~NETIF_F_TSO;
354 netdev->features |= NETIF_F_TSO6;
356 netdev->features &= ~NETIF_F_TSO6;
359 DPRINTK(PROBE, INFO, "TSO is %s\n", data ? "Enabled" : "Disabled");
360 adapter->tso_force = TRUE;
363 #endif /* NETIF_F_TSO */
366 e1000_get_msglevel(struct net_device *netdev)
368 struct e1000_adapter *adapter = netdev_priv(netdev);
369 return adapter->msg_enable;
373 e1000_set_msglevel(struct net_device *netdev, uint32_t data)
375 struct e1000_adapter *adapter = netdev_priv(netdev);
376 adapter->msg_enable = data;
380 e1000_get_regs_len(struct net_device *netdev)
382 #define E1000_REGS_LEN 32
383 return E1000_REGS_LEN * sizeof(uint32_t);
387 e1000_get_regs(struct net_device *netdev,
388 struct ethtool_regs *regs, void *p)
390 struct e1000_adapter *adapter = netdev_priv(netdev);
391 struct e1000_hw *hw = &adapter->hw;
392 uint32_t *regs_buff = p;
395 memset(p, 0, E1000_REGS_LEN * sizeof(uint32_t));
397 regs->version = (1 << 24) | (hw->revision_id << 16) | hw->device_id;
399 regs_buff[0] = E1000_READ_REG(hw, CTRL);
400 regs_buff[1] = E1000_READ_REG(hw, STATUS);
402 regs_buff[2] = E1000_READ_REG(hw, RCTL);
403 regs_buff[3] = E1000_READ_REG(hw, RDLEN);
404 regs_buff[4] = E1000_READ_REG(hw, RDH);
405 regs_buff[5] = E1000_READ_REG(hw, RDT);
406 regs_buff[6] = E1000_READ_REG(hw, RDTR);
408 regs_buff[7] = E1000_READ_REG(hw, TCTL);
409 regs_buff[8] = E1000_READ_REG(hw, TDLEN);
410 regs_buff[9] = E1000_READ_REG(hw, TDH);
411 regs_buff[10] = E1000_READ_REG(hw, TDT);
412 regs_buff[11] = E1000_READ_REG(hw, TIDV);
414 regs_buff[12] = adapter->hw.phy_type; /* PHY type (IGP=1, M88=0) */
415 if (hw->phy_type == e1000_phy_igp) {
416 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
417 IGP01E1000_PHY_AGC_A);
418 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_A &
419 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
420 regs_buff[13] = (uint32_t)phy_data; /* cable length */
421 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
422 IGP01E1000_PHY_AGC_B);
423 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_B &
424 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
425 regs_buff[14] = (uint32_t)phy_data; /* cable length */
426 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
427 IGP01E1000_PHY_AGC_C);
428 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_C &
429 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
430 regs_buff[15] = (uint32_t)phy_data; /* cable length */
431 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
432 IGP01E1000_PHY_AGC_D);
433 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_D &
434 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
435 regs_buff[16] = (uint32_t)phy_data; /* cable length */
436 regs_buff[17] = 0; /* extended 10bt distance (not needed) */
437 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0);
438 e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_STATUS &
439 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
440 regs_buff[18] = (uint32_t)phy_data; /* cable polarity */
441 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
442 IGP01E1000_PHY_PCS_INIT_REG);
443 e1000_read_phy_reg(hw, IGP01E1000_PHY_PCS_INIT_REG &
444 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
445 regs_buff[19] = (uint32_t)phy_data; /* cable polarity */
446 regs_buff[20] = 0; /* polarity correction enabled (always) */
447 regs_buff[22] = 0; /* phy receive errors (unavailable) */
448 regs_buff[23] = regs_buff[18]; /* mdix mode */
449 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0);
451 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
452 regs_buff[13] = (uint32_t)phy_data; /* cable length */
453 regs_buff[14] = 0; /* Dummy (to align w/ IGP phy reg dump) */
454 regs_buff[15] = 0; /* Dummy (to align w/ IGP phy reg dump) */
455 regs_buff[16] = 0; /* Dummy (to align w/ IGP phy reg dump) */
456 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
457 regs_buff[17] = (uint32_t)phy_data; /* extended 10bt distance */
458 regs_buff[18] = regs_buff[13]; /* cable polarity */
459 regs_buff[19] = 0; /* Dummy (to align w/ IGP phy reg dump) */
460 regs_buff[20] = regs_buff[17]; /* polarity correction */
461 /* phy receive errors */
462 regs_buff[22] = adapter->phy_stats.receive_errors;
463 regs_buff[23] = regs_buff[13]; /* mdix mode */
465 regs_buff[21] = adapter->phy_stats.idle_errors; /* phy idle errors */
466 e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_data);
467 regs_buff[24] = (uint32_t)phy_data; /* phy local receiver status */
468 regs_buff[25] = regs_buff[24]; /* phy remote receiver status */
469 if (hw->mac_type >= e1000_82540 &&
470 hw->mac_type < e1000_82571 &&
471 hw->media_type == e1000_media_type_copper) {
472 regs_buff[26] = E1000_READ_REG(hw, MANC);
477 e1000_get_eeprom_len(struct net_device *netdev)
479 struct e1000_adapter *adapter = netdev_priv(netdev);
480 return adapter->hw.eeprom.word_size * 2;
484 e1000_get_eeprom(struct net_device *netdev,
485 struct ethtool_eeprom *eeprom, uint8_t *bytes)
487 struct e1000_adapter *adapter = netdev_priv(netdev);
488 struct e1000_hw *hw = &adapter->hw;
489 uint16_t *eeprom_buff;
490 int first_word, last_word;
494 if (eeprom->len == 0)
497 eeprom->magic = hw->vendor_id | (hw->device_id << 16);
499 first_word = eeprom->offset >> 1;
500 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
502 eeprom_buff = kmalloc(sizeof(uint16_t) *
503 (last_word - first_word + 1), GFP_KERNEL);
507 if (hw->eeprom.type == e1000_eeprom_spi)
508 ret_val = e1000_read_eeprom(hw, first_word,
509 last_word - first_word + 1,
512 for (i = 0; i < last_word - first_word + 1; i++)
513 if ((ret_val = e1000_read_eeprom(hw, first_word + i, 1,
518 /* Device's eeprom is always little-endian, word addressable */
519 for (i = 0; i < last_word - first_word + 1; i++)
520 le16_to_cpus(&eeprom_buff[i]);
522 memcpy(bytes, (uint8_t *)eeprom_buff + (eeprom->offset & 1),
530 e1000_set_eeprom(struct net_device *netdev,
531 struct ethtool_eeprom *eeprom, uint8_t *bytes)
533 struct e1000_adapter *adapter = netdev_priv(netdev);
534 struct e1000_hw *hw = &adapter->hw;
535 uint16_t *eeprom_buff;
537 int max_len, first_word, last_word, ret_val = 0;
540 if (eeprom->len == 0)
543 if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
546 max_len = hw->eeprom.word_size * 2;
548 first_word = eeprom->offset >> 1;
549 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
550 eeprom_buff = kmalloc(max_len, GFP_KERNEL);
554 ptr = (void *)eeprom_buff;
556 if (eeprom->offset & 1) {
557 /* need read/modify/write of first changed EEPROM word */
558 /* only the second byte of the word is being modified */
559 ret_val = e1000_read_eeprom(hw, first_word, 1,
563 if (((eeprom->offset + eeprom->len) & 1) && (ret_val == 0)) {
564 /* need read/modify/write of last changed EEPROM word */
565 /* only the first byte of the word is being modified */
566 ret_val = e1000_read_eeprom(hw, last_word, 1,
567 &eeprom_buff[last_word - first_word]);
570 /* Device's eeprom is always little-endian, word addressable */
571 for (i = 0; i < last_word - first_word + 1; i++)
572 le16_to_cpus(&eeprom_buff[i]);
574 memcpy(ptr, bytes, eeprom->len);
576 for (i = 0; i < last_word - first_word + 1; i++)
577 eeprom_buff[i] = cpu_to_le16(eeprom_buff[i]);
579 ret_val = e1000_write_eeprom(hw, first_word,
580 last_word - first_word + 1, eeprom_buff);
582 /* Update the checksum over the first part of the EEPROM if needed
583 * and flush shadow RAM for 82573 conrollers */
584 if ((ret_val == 0) && ((first_word <= EEPROM_CHECKSUM_REG) ||
585 (hw->mac_type == e1000_82573)))
586 e1000_update_eeprom_checksum(hw);
593 e1000_get_drvinfo(struct net_device *netdev,
594 struct ethtool_drvinfo *drvinfo)
596 struct e1000_adapter *adapter = netdev_priv(netdev);
597 char firmware_version[32];
598 uint16_t eeprom_data;
600 strncpy(drvinfo->driver, e1000_driver_name, 32);
601 strncpy(drvinfo->version, e1000_driver_version, 32);
603 /* EEPROM image version # is reported as firmware version # for
604 * 8257{1|2|3} controllers */
605 e1000_read_eeprom(&adapter->hw, 5, 1, &eeprom_data);
606 switch (adapter->hw.mac_type) {
610 case e1000_80003es2lan:
612 sprintf(firmware_version, "%d.%d-%d",
613 (eeprom_data & 0xF000) >> 12,
614 (eeprom_data & 0x0FF0) >> 4,
615 eeprom_data & 0x000F);
618 sprintf(firmware_version, "N/A");
621 strncpy(drvinfo->fw_version, firmware_version, 32);
622 strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
623 drvinfo->n_stats = E1000_STATS_LEN;
624 drvinfo->testinfo_len = E1000_TEST_LEN;
625 drvinfo->regdump_len = e1000_get_regs_len(netdev);
626 drvinfo->eedump_len = e1000_get_eeprom_len(netdev);
630 e1000_get_ringparam(struct net_device *netdev,
631 struct ethtool_ringparam *ring)
633 struct e1000_adapter *adapter = netdev_priv(netdev);
634 e1000_mac_type mac_type = adapter->hw.mac_type;
635 struct e1000_tx_ring *txdr = adapter->tx_ring;
636 struct e1000_rx_ring *rxdr = adapter->rx_ring;
638 ring->rx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_RXD :
640 ring->tx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_TXD :
642 ring->rx_mini_max_pending = 0;
643 ring->rx_jumbo_max_pending = 0;
644 ring->rx_pending = rxdr->count;
645 ring->tx_pending = txdr->count;
646 ring->rx_mini_pending = 0;
647 ring->rx_jumbo_pending = 0;
651 e1000_set_ringparam(struct net_device *netdev,
652 struct ethtool_ringparam *ring)
654 struct e1000_adapter *adapter = netdev_priv(netdev);
655 e1000_mac_type mac_type = adapter->hw.mac_type;
656 struct e1000_tx_ring *txdr, *tx_old;
657 struct e1000_rx_ring *rxdr, *rx_old;
658 int i, err, tx_ring_size, rx_ring_size;
660 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
663 tx_ring_size = sizeof(struct e1000_tx_ring) * adapter->num_tx_queues;
664 rx_ring_size = sizeof(struct e1000_rx_ring) * adapter->num_rx_queues;
666 while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
669 if (netif_running(adapter->netdev))
672 tx_old = adapter->tx_ring;
673 rx_old = adapter->rx_ring;
676 txdr = kzalloc(tx_ring_size, GFP_KERNEL);
680 rxdr = kzalloc(rx_ring_size, GFP_KERNEL);
684 adapter->tx_ring = txdr;
685 adapter->rx_ring = rxdr;
687 rxdr->count = max(ring->rx_pending,(uint32_t)E1000_MIN_RXD);
688 rxdr->count = min(rxdr->count,(uint32_t)(mac_type < e1000_82544 ?
689 E1000_MAX_RXD : E1000_MAX_82544_RXD));
690 E1000_ROUNDUP(rxdr->count, REQ_RX_DESCRIPTOR_MULTIPLE);
692 txdr->count = max(ring->tx_pending,(uint32_t)E1000_MIN_TXD);
693 txdr->count = min(txdr->count,(uint32_t)(mac_type < e1000_82544 ?
694 E1000_MAX_TXD : E1000_MAX_82544_TXD));
695 E1000_ROUNDUP(txdr->count, REQ_TX_DESCRIPTOR_MULTIPLE);
697 for (i = 0; i < adapter->num_tx_queues; i++)
698 txdr[i].count = txdr->count;
699 for (i = 0; i < adapter->num_rx_queues; i++)
700 rxdr[i].count = rxdr->count;
702 if (netif_running(adapter->netdev)) {
703 /* Try to get new resources before deleting old */
704 if ((err = e1000_setup_all_rx_resources(adapter)))
706 if ((err = e1000_setup_all_tx_resources(adapter)))
709 /* save the new, restore the old in order to free it,
710 * then restore the new back again */
712 adapter->rx_ring = rx_old;
713 adapter->tx_ring = tx_old;
714 e1000_free_all_rx_resources(adapter);
715 e1000_free_all_tx_resources(adapter);
718 adapter->rx_ring = rxdr;
719 adapter->tx_ring = txdr;
720 if ((err = e1000_up(adapter)))
724 clear_bit(__E1000_RESETTING, &adapter->flags);
727 e1000_free_all_rx_resources(adapter);
729 adapter->rx_ring = rx_old;
730 adapter->tx_ring = tx_old;
737 clear_bit(__E1000_RESETTING, &adapter->flags);
741 #define REG_PATTERN_TEST(R, M, W) \
743 uint32_t pat, value; \
745 {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF}; \
746 for (pat = 0; pat < sizeof(test)/sizeof(test[0]); pat++) { \
747 E1000_WRITE_REG(&adapter->hw, R, (test[pat] & W)); \
748 value = E1000_READ_REG(&adapter->hw, R); \
749 if (value != (test[pat] & W & M)) { \
750 DPRINTK(DRV, ERR, "pattern test reg %04X failed: got " \
751 "0x%08X expected 0x%08X\n", \
752 E1000_##R, value, (test[pat] & W & M)); \
753 *data = (adapter->hw.mac_type < e1000_82543) ? \
754 E1000_82542_##R : E1000_##R; \
760 #define REG_SET_AND_CHECK(R, M, W) \
763 E1000_WRITE_REG(&adapter->hw, R, W & M); \
764 value = E1000_READ_REG(&adapter->hw, R); \
765 if ((W & M) != (value & M)) { \
766 DPRINTK(DRV, ERR, "set/check reg %04X test failed: got 0x%08X "\
767 "expected 0x%08X\n", E1000_##R, (value & M), (W & M)); \
768 *data = (adapter->hw.mac_type < e1000_82543) ? \
769 E1000_82542_##R : E1000_##R; \
775 e1000_reg_test(struct e1000_adapter *adapter, uint64_t *data)
777 uint32_t value, before, after;
780 /* The status register is Read Only, so a write should fail.
781 * Some bits that get toggled are ignored.
783 switch (adapter->hw.mac_type) {
784 /* there are several bits on newer hardware that are r/w */
787 case e1000_80003es2lan:
799 before = E1000_READ_REG(&adapter->hw, STATUS);
800 value = (E1000_READ_REG(&adapter->hw, STATUS) & toggle);
801 E1000_WRITE_REG(&adapter->hw, STATUS, toggle);
802 after = E1000_READ_REG(&adapter->hw, STATUS) & toggle;
803 if (value != after) {
804 DPRINTK(DRV, ERR, "failed STATUS register test got: "
805 "0x%08X expected: 0x%08X\n", after, value);
809 /* restore previous status */
810 E1000_WRITE_REG(&adapter->hw, STATUS, before);
812 if (adapter->hw.mac_type != e1000_ich8lan) {
813 REG_PATTERN_TEST(FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
814 REG_PATTERN_TEST(FCAH, 0x0000FFFF, 0xFFFFFFFF);
815 REG_PATTERN_TEST(FCT, 0x0000FFFF, 0xFFFFFFFF);
816 REG_PATTERN_TEST(VET, 0x0000FFFF, 0xFFFFFFFF);
819 REG_PATTERN_TEST(RDTR, 0x0000FFFF, 0xFFFFFFFF);
820 REG_PATTERN_TEST(RDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
821 REG_PATTERN_TEST(RDLEN, 0x000FFF80, 0x000FFFFF);
822 REG_PATTERN_TEST(RDH, 0x0000FFFF, 0x0000FFFF);
823 REG_PATTERN_TEST(RDT, 0x0000FFFF, 0x0000FFFF);
824 REG_PATTERN_TEST(FCRTH, 0x0000FFF8, 0x0000FFF8);
825 REG_PATTERN_TEST(FCTTV, 0x0000FFFF, 0x0000FFFF);
826 REG_PATTERN_TEST(TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
827 REG_PATTERN_TEST(TDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
828 REG_PATTERN_TEST(TDLEN, 0x000FFF80, 0x000FFFFF);
830 REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x00000000);
832 before = (adapter->hw.mac_type == e1000_ich8lan ?
833 0x06C3B33E : 0x06DFB3FE);
834 REG_SET_AND_CHECK(RCTL, before, 0x003FFFFB);
835 REG_SET_AND_CHECK(TCTL, 0xFFFFFFFF, 0x00000000);
837 if (adapter->hw.mac_type >= e1000_82543) {
839 REG_SET_AND_CHECK(RCTL, before, 0xFFFFFFFF);
840 REG_PATTERN_TEST(RDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
841 if (adapter->hw.mac_type != e1000_ich8lan)
842 REG_PATTERN_TEST(TXCW, 0xC000FFFF, 0x0000FFFF);
843 REG_PATTERN_TEST(TDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
844 REG_PATTERN_TEST(TIDV, 0x0000FFFF, 0x0000FFFF);
845 value = (adapter->hw.mac_type == e1000_ich8lan ?
846 E1000_RAR_ENTRIES_ICH8LAN : E1000_RAR_ENTRIES);
847 for (i = 0; i < value; i++) {
848 REG_PATTERN_TEST(RA + (((i << 1) + 1) << 2), 0x8003FFFF,
854 REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x01FFFFFF);
855 REG_PATTERN_TEST(RDBAL, 0xFFFFF000, 0xFFFFFFFF);
856 REG_PATTERN_TEST(TXCW, 0x0000FFFF, 0x0000FFFF);
857 REG_PATTERN_TEST(TDBAL, 0xFFFFF000, 0xFFFFFFFF);
861 value = (adapter->hw.mac_type == e1000_ich8lan ?
862 E1000_MC_TBL_SIZE_ICH8LAN : E1000_MC_TBL_SIZE);
863 for (i = 0; i < value; i++)
864 REG_PATTERN_TEST(MTA + (i << 2), 0xFFFFFFFF, 0xFFFFFFFF);
871 e1000_eeprom_test(struct e1000_adapter *adapter, uint64_t *data)
874 uint16_t checksum = 0;
878 /* Read and add up the contents of the EEPROM */
879 for (i = 0; i < (EEPROM_CHECKSUM_REG + 1); i++) {
880 if ((e1000_read_eeprom(&adapter->hw, i, 1, &temp)) < 0) {
887 /* If Checksum is not Correct return error else test passed */
888 if ((checksum != (uint16_t) EEPROM_SUM) && !(*data))
895 e1000_test_intr(int irq, void *data)
897 struct net_device *netdev = (struct net_device *) data;
898 struct e1000_adapter *adapter = netdev_priv(netdev);
900 adapter->test_icr |= E1000_READ_REG(&adapter->hw, ICR);
906 e1000_intr_test(struct e1000_adapter *adapter, uint64_t *data)
908 struct net_device *netdev = adapter->netdev;
909 uint32_t mask, i=0, shared_int = TRUE;
910 uint32_t irq = adapter->pdev->irq;
914 /* NOTE: we don't test MSI interrupts here, yet */
915 /* Hook up test interrupt handler just for this test */
916 if (!request_irq(irq, &e1000_test_intr, IRQF_PROBE_SHARED, netdev->name,
919 else if (request_irq(irq, &e1000_test_intr, IRQF_SHARED,
920 netdev->name, netdev)) {
924 DPRINTK(HW, INFO, "testing %s interrupt\n",
925 (shared_int ? "shared" : "unshared"));
927 /* Disable all the interrupts */
928 E1000_WRITE_REG(&adapter->hw, IMC, 0xFFFFFFFF);
931 /* Test each interrupt */
932 for (; i < 10; i++) {
934 if (adapter->hw.mac_type == e1000_ich8lan && i == 8)
937 /* Interrupt to test */
941 /* Disable the interrupt to be reported in
942 * the cause register and then force the same
943 * interrupt and see if one gets posted. If
944 * an interrupt was posted to the bus, the
947 adapter->test_icr = 0;
948 E1000_WRITE_REG(&adapter->hw, IMC, mask);
949 E1000_WRITE_REG(&adapter->hw, ICS, mask);
952 if (adapter->test_icr & mask) {
958 /* Enable the interrupt to be reported in
959 * the cause register and then force the same
960 * interrupt and see if one gets posted. If
961 * an interrupt was not posted to the bus, the
964 adapter->test_icr = 0;
965 E1000_WRITE_REG(&adapter->hw, IMS, mask);
966 E1000_WRITE_REG(&adapter->hw, ICS, mask);
969 if (!(adapter->test_icr & mask)) {
975 /* Disable the other interrupts to be reported in
976 * the cause register and then force the other
977 * interrupts and see if any get posted. If
978 * an interrupt was posted to the bus, the
981 adapter->test_icr = 0;
982 E1000_WRITE_REG(&adapter->hw, IMC, ~mask & 0x00007FFF);
983 E1000_WRITE_REG(&adapter->hw, ICS, ~mask & 0x00007FFF);
986 if (adapter->test_icr) {
993 /* Disable all the interrupts */
994 E1000_WRITE_REG(&adapter->hw, IMC, 0xFFFFFFFF);
997 /* Unhook test interrupt handler */
998 free_irq(irq, netdev);
1004 e1000_free_desc_rings(struct e1000_adapter *adapter)
1006 struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
1007 struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
1008 struct pci_dev *pdev = adapter->pdev;
1011 if (txdr->desc && txdr->buffer_info) {
1012 for (i = 0; i < txdr->count; i++) {
1013 if (txdr->buffer_info[i].dma)
1014 pci_unmap_single(pdev, txdr->buffer_info[i].dma,
1015 txdr->buffer_info[i].length,
1017 if (txdr->buffer_info[i].skb)
1018 dev_kfree_skb(txdr->buffer_info[i].skb);
1022 if (rxdr->desc && rxdr->buffer_info) {
1023 for (i = 0; i < rxdr->count; i++) {
1024 if (rxdr->buffer_info[i].dma)
1025 pci_unmap_single(pdev, rxdr->buffer_info[i].dma,
1026 rxdr->buffer_info[i].length,
1027 PCI_DMA_FROMDEVICE);
1028 if (rxdr->buffer_info[i].skb)
1029 dev_kfree_skb(rxdr->buffer_info[i].skb);
1034 pci_free_consistent(pdev, txdr->size, txdr->desc, txdr->dma);
1038 pci_free_consistent(pdev, rxdr->size, rxdr->desc, rxdr->dma);
1042 kfree(txdr->buffer_info);
1043 txdr->buffer_info = NULL;
1044 kfree(rxdr->buffer_info);
1045 rxdr->buffer_info = NULL;
1051 e1000_setup_desc_rings(struct e1000_adapter *adapter)
1053 struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
1054 struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
1055 struct pci_dev *pdev = adapter->pdev;
1057 int size, i, ret_val;
1059 /* Setup Tx descriptor ring and Tx buffers */
1062 txdr->count = E1000_DEFAULT_TXD;
1064 size = txdr->count * sizeof(struct e1000_buffer);
1065 if (!(txdr->buffer_info = kmalloc(size, GFP_KERNEL))) {
1069 memset(txdr->buffer_info, 0, size);
1071 txdr->size = txdr->count * sizeof(struct e1000_tx_desc);
1072 E1000_ROUNDUP(txdr->size, 4096);
1073 if (!(txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma))) {
1077 memset(txdr->desc, 0, txdr->size);
1078 txdr->next_to_use = txdr->next_to_clean = 0;
1080 E1000_WRITE_REG(&adapter->hw, TDBAL,
1081 ((uint64_t) txdr->dma & 0x00000000FFFFFFFF));
1082 E1000_WRITE_REG(&adapter->hw, TDBAH, ((uint64_t) txdr->dma >> 32));
1083 E1000_WRITE_REG(&adapter->hw, TDLEN,
1084 txdr->count * sizeof(struct e1000_tx_desc));
1085 E1000_WRITE_REG(&adapter->hw, TDH, 0);
1086 E1000_WRITE_REG(&adapter->hw, TDT, 0);
1087 E1000_WRITE_REG(&adapter->hw, TCTL,
1088 E1000_TCTL_PSP | E1000_TCTL_EN |
1089 E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
1090 E1000_FDX_COLLISION_DISTANCE << E1000_COLD_SHIFT);
1092 for (i = 0; i < txdr->count; i++) {
1093 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*txdr, i);
1094 struct sk_buff *skb;
1095 unsigned int size = 1024;
1097 if (!(skb = alloc_skb(size, GFP_KERNEL))) {
1102 txdr->buffer_info[i].skb = skb;
1103 txdr->buffer_info[i].length = skb->len;
1104 txdr->buffer_info[i].dma =
1105 pci_map_single(pdev, skb->data, skb->len,
1107 tx_desc->buffer_addr = cpu_to_le64(txdr->buffer_info[i].dma);
1108 tx_desc->lower.data = cpu_to_le32(skb->len);
1109 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
1110 E1000_TXD_CMD_IFCS |
1112 tx_desc->upper.data = 0;
1115 /* Setup Rx descriptor ring and Rx buffers */
1118 rxdr->count = E1000_DEFAULT_RXD;
1120 size = rxdr->count * sizeof(struct e1000_buffer);
1121 if (!(rxdr->buffer_info = kmalloc(size, GFP_KERNEL))) {
1125 memset(rxdr->buffer_info, 0, size);
1127 rxdr->size = rxdr->count * sizeof(struct e1000_rx_desc);
1128 if (!(rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma))) {
1132 memset(rxdr->desc, 0, rxdr->size);
1133 rxdr->next_to_use = rxdr->next_to_clean = 0;
1135 rctl = E1000_READ_REG(&adapter->hw, RCTL);
1136 E1000_WRITE_REG(&adapter->hw, RCTL, rctl & ~E1000_RCTL_EN);
1137 E1000_WRITE_REG(&adapter->hw, RDBAL,
1138 ((uint64_t) rxdr->dma & 0xFFFFFFFF));
1139 E1000_WRITE_REG(&adapter->hw, RDBAH, ((uint64_t) rxdr->dma >> 32));
1140 E1000_WRITE_REG(&adapter->hw, RDLEN, rxdr->size);
1141 E1000_WRITE_REG(&adapter->hw, RDH, 0);
1142 E1000_WRITE_REG(&adapter->hw, RDT, 0);
1143 rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
1144 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
1145 (adapter->hw.mc_filter_type << E1000_RCTL_MO_SHIFT);
1146 E1000_WRITE_REG(&adapter->hw, RCTL, rctl);
1148 for (i = 0; i < rxdr->count; i++) {
1149 struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rxdr, i);
1150 struct sk_buff *skb;
1152 if (!(skb = alloc_skb(E1000_RXBUFFER_2048 + NET_IP_ALIGN,
1157 skb_reserve(skb, NET_IP_ALIGN);
1158 rxdr->buffer_info[i].skb = skb;
1159 rxdr->buffer_info[i].length = E1000_RXBUFFER_2048;
1160 rxdr->buffer_info[i].dma =
1161 pci_map_single(pdev, skb->data, E1000_RXBUFFER_2048,
1162 PCI_DMA_FROMDEVICE);
1163 rx_desc->buffer_addr = cpu_to_le64(rxdr->buffer_info[i].dma);
1164 memset(skb->data, 0x00, skb->len);
1170 e1000_free_desc_rings(adapter);
1175 e1000_phy_disable_receiver(struct e1000_adapter *adapter)
1177 /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1178 e1000_write_phy_reg(&adapter->hw, 29, 0x001F);
1179 e1000_write_phy_reg(&adapter->hw, 30, 0x8FFC);
1180 e1000_write_phy_reg(&adapter->hw, 29, 0x001A);
1181 e1000_write_phy_reg(&adapter->hw, 30, 0x8FF0);
1185 e1000_phy_reset_clk_and_crs(struct e1000_adapter *adapter)
1189 /* Because we reset the PHY above, we need to re-force TX_CLK in the
1190 * Extended PHY Specific Control Register to 25MHz clock. This
1191 * value defaults back to a 2.5MHz clock when the PHY is reset.
1193 e1000_read_phy_reg(&adapter->hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
1194 phy_reg |= M88E1000_EPSCR_TX_CLK_25;
1195 e1000_write_phy_reg(&adapter->hw,
1196 M88E1000_EXT_PHY_SPEC_CTRL, phy_reg);
1198 /* In addition, because of the s/w reset above, we need to enable
1199 * CRS on TX. This must be set for both full and half duplex
1202 e1000_read_phy_reg(&adapter->hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);
1203 phy_reg |= M88E1000_PSCR_ASSERT_CRS_ON_TX;
1204 e1000_write_phy_reg(&adapter->hw,
1205 M88E1000_PHY_SPEC_CTRL, phy_reg);
1209 e1000_nonintegrated_phy_loopback(struct e1000_adapter *adapter)
1214 /* Setup the Device Control Register for PHY loopback test. */
1216 ctrl_reg = E1000_READ_REG(&adapter->hw, CTRL);
1217 ctrl_reg |= (E1000_CTRL_ILOS | /* Invert Loss-Of-Signal */
1218 E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1219 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1220 E1000_CTRL_SPD_1000 | /* Force Speed to 1000 */
1221 E1000_CTRL_FD); /* Force Duplex to FULL */
1223 E1000_WRITE_REG(&adapter->hw, CTRL, ctrl_reg);
1225 /* Read the PHY Specific Control Register (0x10) */
1226 e1000_read_phy_reg(&adapter->hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);
1228 /* Clear Auto-Crossover bits in PHY Specific Control Register
1231 phy_reg &= ~M88E1000_PSCR_AUTO_X_MODE;
1232 e1000_write_phy_reg(&adapter->hw, M88E1000_PHY_SPEC_CTRL, phy_reg);
1234 /* Perform software reset on the PHY */
1235 e1000_phy_reset(&adapter->hw);
1237 /* Have to setup TX_CLK and TX_CRS after software reset */
1238 e1000_phy_reset_clk_and_crs(adapter);
1240 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x8100);
1242 /* Wait for reset to complete. */
1245 /* Have to setup TX_CLK and TX_CRS after software reset */
1246 e1000_phy_reset_clk_and_crs(adapter);
1248 /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1249 e1000_phy_disable_receiver(adapter);
1251 /* Set the loopback bit in the PHY control register. */
1252 e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg);
1253 phy_reg |= MII_CR_LOOPBACK;
1254 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, phy_reg);
1256 /* Setup TX_CLK and TX_CRS one more time. */
1257 e1000_phy_reset_clk_and_crs(adapter);
1259 /* Check Phy Configuration */
1260 e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg);
1261 if (phy_reg != 0x4100)
1264 e1000_read_phy_reg(&adapter->hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
1265 if (phy_reg != 0x0070)
1268 e1000_read_phy_reg(&adapter->hw, 29, &phy_reg);
1269 if (phy_reg != 0x001A)
1276 e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
1278 uint32_t ctrl_reg = 0;
1279 uint32_t stat_reg = 0;
1281 adapter->hw.autoneg = FALSE;
1283 if (adapter->hw.phy_type == e1000_phy_m88) {
1284 /* Auto-MDI/MDIX Off */
1285 e1000_write_phy_reg(&adapter->hw,
1286 M88E1000_PHY_SPEC_CTRL, 0x0808);
1287 /* reset to update Auto-MDI/MDIX */
1288 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x9140);
1290 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x8140);
1291 } else if (adapter->hw.phy_type == e1000_phy_gg82563)
1292 e1000_write_phy_reg(&adapter->hw,
1293 GG82563_PHY_KMRN_MODE_CTRL,
1296 ctrl_reg = E1000_READ_REG(&adapter->hw, CTRL);
1298 if (adapter->hw.phy_type == e1000_phy_ife) {
1299 /* force 100, set loopback */
1300 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x6100);
1302 /* Now set up the MAC to the same speed/duplex as the PHY. */
1303 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1304 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1305 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1306 E1000_CTRL_SPD_100 |/* Force Speed to 100 */
1307 E1000_CTRL_FD); /* Force Duplex to FULL */
1309 /* force 1000, set loopback */
1310 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x4140);
1312 /* Now set up the MAC to the same speed/duplex as the PHY. */
1313 ctrl_reg = E1000_READ_REG(&adapter->hw, CTRL);
1314 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1315 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1316 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1317 E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
1318 E1000_CTRL_FD); /* Force Duplex to FULL */
1321 if (adapter->hw.media_type == e1000_media_type_copper &&
1322 adapter->hw.phy_type == e1000_phy_m88)
1323 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
1325 /* Set the ILOS bit on the fiber Nic is half
1326 * duplex link is detected. */
1327 stat_reg = E1000_READ_REG(&adapter->hw, STATUS);
1328 if ((stat_reg & E1000_STATUS_FD) == 0)
1329 ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
1332 E1000_WRITE_REG(&adapter->hw, CTRL, ctrl_reg);
1334 /* Disable the receiver on the PHY so when a cable is plugged in, the
1335 * PHY does not begin to autoneg when a cable is reconnected to the NIC.
1337 if (adapter->hw.phy_type == e1000_phy_m88)
1338 e1000_phy_disable_receiver(adapter);
1346 e1000_set_phy_loopback(struct e1000_adapter *adapter)
1348 uint16_t phy_reg = 0;
1351 switch (adapter->hw.mac_type) {
1353 if (adapter->hw.media_type == e1000_media_type_copper) {
1354 /* Attempt to setup Loopback mode on Non-integrated PHY.
1355 * Some PHY registers get corrupted at random, so
1356 * attempt this 10 times.
1358 while (e1000_nonintegrated_phy_loopback(adapter) &&
1368 case e1000_82545_rev_3:
1370 case e1000_82546_rev_3:
1372 case e1000_82541_rev_2:
1374 case e1000_82547_rev_2:
1378 case e1000_80003es2lan:
1380 return e1000_integrated_phy_loopback(adapter);
1384 /* Default PHY loopback work is to read the MII
1385 * control register and assert bit 14 (loopback mode).
1387 e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg);
1388 phy_reg |= MII_CR_LOOPBACK;
1389 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, phy_reg);
1398 e1000_setup_loopback_test(struct e1000_adapter *adapter)
1400 struct e1000_hw *hw = &adapter->hw;
1403 if (hw->media_type == e1000_media_type_fiber ||
1404 hw->media_type == e1000_media_type_internal_serdes) {
1405 switch (hw->mac_type) {
1408 case e1000_82545_rev_3:
1409 case e1000_82546_rev_3:
1410 return e1000_set_phy_loopback(adapter);
1414 #define E1000_SERDES_LB_ON 0x410
1415 e1000_set_phy_loopback(adapter);
1416 E1000_WRITE_REG(hw, SCTL, E1000_SERDES_LB_ON);
1421 rctl = E1000_READ_REG(hw, RCTL);
1422 rctl |= E1000_RCTL_LBM_TCVR;
1423 E1000_WRITE_REG(hw, RCTL, rctl);
1426 } else if (hw->media_type == e1000_media_type_copper)
1427 return e1000_set_phy_loopback(adapter);
1433 e1000_loopback_cleanup(struct e1000_adapter *adapter)
1435 struct e1000_hw *hw = &adapter->hw;
1439 rctl = E1000_READ_REG(hw, RCTL);
1440 rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
1441 E1000_WRITE_REG(hw, RCTL, rctl);
1443 switch (hw->mac_type) {
1446 if (hw->media_type == e1000_media_type_fiber ||
1447 hw->media_type == e1000_media_type_internal_serdes) {
1448 #define E1000_SERDES_LB_OFF 0x400
1449 E1000_WRITE_REG(hw, SCTL, E1000_SERDES_LB_OFF);
1456 case e1000_82545_rev_3:
1457 case e1000_82546_rev_3:
1460 if (hw->phy_type == e1000_phy_gg82563)
1461 e1000_write_phy_reg(hw,
1462 GG82563_PHY_KMRN_MODE_CTRL,
1464 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1465 if (phy_reg & MII_CR_LOOPBACK) {
1466 phy_reg &= ~MII_CR_LOOPBACK;
1467 e1000_write_phy_reg(hw, PHY_CTRL, phy_reg);
1468 e1000_phy_reset(hw);
1475 e1000_create_lbtest_frame(struct sk_buff *skb, unsigned int frame_size)
1477 memset(skb->data, 0xFF, frame_size);
1479 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1480 memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
1481 memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
1485 e1000_check_lbtest_frame(struct sk_buff *skb, unsigned int frame_size)
1488 if (*(skb->data + 3) == 0xFF) {
1489 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
1490 (*(skb->data + frame_size / 2 + 12) == 0xAF)) {
1498 e1000_run_loopback_test(struct e1000_adapter *adapter)
1500 struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
1501 struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
1502 struct pci_dev *pdev = adapter->pdev;
1503 int i, j, k, l, lc, good_cnt, ret_val=0;
1506 E1000_WRITE_REG(&adapter->hw, RDT, rxdr->count - 1);
1508 /* Calculate the loop count based on the largest descriptor ring
1509 * The idea is to wrap the largest ring a number of times using 64
1510 * send/receive pairs during each loop
1513 if (rxdr->count <= txdr->count)
1514 lc = ((txdr->count / 64) * 2) + 1;
1516 lc = ((rxdr->count / 64) * 2) + 1;
1519 for (j = 0; j <= lc; j++) { /* loop count loop */
1520 for (i = 0; i < 64; i++) { /* send the packets */
1521 e1000_create_lbtest_frame(txdr->buffer_info[i].skb,
1523 pci_dma_sync_single_for_device(pdev,
1524 txdr->buffer_info[k].dma,
1525 txdr->buffer_info[k].length,
1527 if (unlikely(++k == txdr->count)) k = 0;
1529 E1000_WRITE_REG(&adapter->hw, TDT, k);
1531 time = jiffies; /* set the start time for the receive */
1533 do { /* receive the sent packets */
1534 pci_dma_sync_single_for_cpu(pdev,
1535 rxdr->buffer_info[l].dma,
1536 rxdr->buffer_info[l].length,
1537 PCI_DMA_FROMDEVICE);
1539 ret_val = e1000_check_lbtest_frame(
1540 rxdr->buffer_info[l].skb,
1544 if (unlikely(++l == rxdr->count)) l = 0;
1545 /* time + 20 msecs (200 msecs on 2.4) is more than
1546 * enough time to complete the receives, if it's
1547 * exceeded, break and error off
1549 } while (good_cnt < 64 && jiffies < (time + 20));
1550 if (good_cnt != 64) {
1551 ret_val = 13; /* ret_val is the same as mis-compare */
1554 if (jiffies >= (time + 2)) {
1555 ret_val = 14; /* error code for time out error */
1558 } /* end loop count loop */
1563 e1000_loopback_test(struct e1000_adapter *adapter, uint64_t *data)
1565 /* PHY loopback cannot be performed if SoL/IDER
1566 * sessions are active */
1567 if (e1000_check_phy_reset_block(&adapter->hw)) {
1568 DPRINTK(DRV, ERR, "Cannot do PHY loopback test "
1569 "when SoL/IDER is active.\n");
1574 if ((*data = e1000_setup_desc_rings(adapter)))
1576 if ((*data = e1000_setup_loopback_test(adapter)))
1578 *data = e1000_run_loopback_test(adapter);
1579 e1000_loopback_cleanup(adapter);
1582 e1000_free_desc_rings(adapter);
1588 e1000_link_test(struct e1000_adapter *adapter, uint64_t *data)
1591 if (adapter->hw.media_type == e1000_media_type_internal_serdes) {
1593 adapter->hw.serdes_link_down = TRUE;
1595 /* On some blade server designs, link establishment
1596 * could take as long as 2-3 minutes */
1598 e1000_check_for_link(&adapter->hw);
1599 if (adapter->hw.serdes_link_down == FALSE)
1602 } while (i++ < 3750);
1606 e1000_check_for_link(&adapter->hw);
1607 if (adapter->hw.autoneg) /* if auto_neg is set wait for it */
1610 if (!(E1000_READ_REG(&adapter->hw, STATUS) & E1000_STATUS_LU)) {
1618 e1000_diag_test_count(struct net_device *netdev)
1620 return E1000_TEST_LEN;
1623 extern void e1000_power_up_phy(struct e1000_adapter *);
1626 e1000_diag_test(struct net_device *netdev,
1627 struct ethtool_test *eth_test, uint64_t *data)
1629 struct e1000_adapter *adapter = netdev_priv(netdev);
1630 boolean_t if_running = netif_running(netdev);
1632 set_bit(__E1000_TESTING, &adapter->flags);
1633 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1636 /* save speed, duplex, autoneg settings */
1637 uint16_t autoneg_advertised = adapter->hw.autoneg_advertised;
1638 uint8_t forced_speed_duplex = adapter->hw.forced_speed_duplex;
1639 uint8_t autoneg = adapter->hw.autoneg;
1641 DPRINTK(HW, INFO, "offline testing starting\n");
1643 /* Link test performed before hardware reset so autoneg doesn't
1644 * interfere with test result */
1645 if (e1000_link_test(adapter, &data[4]))
1646 eth_test->flags |= ETH_TEST_FL_FAILED;
1649 /* indicate we're in test mode */
1652 e1000_reset(adapter);
1654 if (e1000_reg_test(adapter, &data[0]))
1655 eth_test->flags |= ETH_TEST_FL_FAILED;
1657 e1000_reset(adapter);
1658 if (e1000_eeprom_test(adapter, &data[1]))
1659 eth_test->flags |= ETH_TEST_FL_FAILED;
1661 e1000_reset(adapter);
1662 if (e1000_intr_test(adapter, &data[2]))
1663 eth_test->flags |= ETH_TEST_FL_FAILED;
1665 e1000_reset(adapter);
1666 /* make sure the phy is powered up */
1667 e1000_power_up_phy(adapter);
1668 if (e1000_loopback_test(adapter, &data[3]))
1669 eth_test->flags |= ETH_TEST_FL_FAILED;
1671 /* restore speed, duplex, autoneg settings */
1672 adapter->hw.autoneg_advertised = autoneg_advertised;
1673 adapter->hw.forced_speed_duplex = forced_speed_duplex;
1674 adapter->hw.autoneg = autoneg;
1676 e1000_reset(adapter);
1677 clear_bit(__E1000_TESTING, &adapter->flags);
1681 DPRINTK(HW, INFO, "online testing starting\n");
1683 if (e1000_link_test(adapter, &data[4]))
1684 eth_test->flags |= ETH_TEST_FL_FAILED;
1686 /* Online tests aren't run; pass by default */
1692 clear_bit(__E1000_TESTING, &adapter->flags);
1694 msleep_interruptible(4 * 1000);
1697 static int e1000_wol_exclusion(struct e1000_adapter *adapter, struct ethtool_wolinfo *wol)
1699 struct e1000_hw *hw = &adapter->hw;
1700 int retval = 1; /* fail by default */
1702 switch (hw->device_id) {
1703 case E1000_DEV_ID_82542:
1704 case E1000_DEV_ID_82543GC_FIBER:
1705 case E1000_DEV_ID_82543GC_COPPER:
1706 case E1000_DEV_ID_82544EI_FIBER:
1707 case E1000_DEV_ID_82546EB_QUAD_COPPER:
1708 case E1000_DEV_ID_82545EM_FIBER:
1709 case E1000_DEV_ID_82545EM_COPPER:
1710 case E1000_DEV_ID_82546GB_QUAD_COPPER:
1711 case E1000_DEV_ID_82546GB_PCIE:
1712 /* these don't support WoL at all */
1715 case E1000_DEV_ID_82546EB_FIBER:
1716 case E1000_DEV_ID_82546GB_FIBER:
1717 case E1000_DEV_ID_82571EB_FIBER:
1718 case E1000_DEV_ID_82571EB_SERDES:
1719 case E1000_DEV_ID_82571EB_COPPER:
1720 /* Wake events not supported on port B */
1721 if (E1000_READ_REG(hw, STATUS) & E1000_STATUS_FUNC_1) {
1725 /* return success for non excluded adapter ports */
1728 case E1000_DEV_ID_82571EB_QUAD_COPPER:
1729 case E1000_DEV_ID_82571EB_QUAD_COPPER_LOWPROFILE:
1730 case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
1731 /* quad port adapters only support WoL on port A */
1732 if (!adapter->quad_port_a) {
1736 /* return success for non excluded adapter ports */
1740 /* dual port cards only support WoL on port A from now on
1741 * unless it was enabled in the eeprom for port B
1742 * so exclude FUNC_1 ports from having WoL enabled */
1743 if (E1000_READ_REG(hw, STATUS) & E1000_STATUS_FUNC_1 &&
1744 !adapter->eeprom_wol) {
1756 e1000_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1758 struct e1000_adapter *adapter = netdev_priv(netdev);
1760 wol->supported = WAKE_UCAST | WAKE_MCAST |
1761 WAKE_BCAST | WAKE_MAGIC;
1764 /* this function will set ->supported = 0 and return 1 if wol is not
1765 * supported by this hardware */
1766 if (e1000_wol_exclusion(adapter, wol))
1769 /* apply any specific unsupported masks here */
1770 switch (adapter->hw.device_id) {
1771 case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
1772 /* KSP3 does not suppport UCAST wake-ups */
1773 wol->supported &= ~WAKE_UCAST;
1775 if (adapter->wol & E1000_WUFC_EX)
1776 DPRINTK(DRV, ERR, "Interface does not support "
1777 "directed (unicast) frame wake-up packets\n");
1783 if (adapter->wol & E1000_WUFC_EX)
1784 wol->wolopts |= WAKE_UCAST;
1785 if (adapter->wol & E1000_WUFC_MC)
1786 wol->wolopts |= WAKE_MCAST;
1787 if (adapter->wol & E1000_WUFC_BC)
1788 wol->wolopts |= WAKE_BCAST;
1789 if (adapter->wol & E1000_WUFC_MAG)
1790 wol->wolopts |= WAKE_MAGIC;
1796 e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1798 struct e1000_adapter *adapter = netdev_priv(netdev);
1799 struct e1000_hw *hw = &adapter->hw;
1801 if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
1804 if (e1000_wol_exclusion(adapter, wol))
1805 return wol->wolopts ? -EOPNOTSUPP : 0;
1807 switch (hw->device_id) {
1808 case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
1809 if (wol->wolopts & WAKE_UCAST) {
1810 DPRINTK(DRV, ERR, "Interface does not support "
1811 "directed (unicast) frame wake-up packets\n");
1819 /* these settings will always override what we currently have */
1822 if (wol->wolopts & WAKE_UCAST)
1823 adapter->wol |= E1000_WUFC_EX;
1824 if (wol->wolopts & WAKE_MCAST)
1825 adapter->wol |= E1000_WUFC_MC;
1826 if (wol->wolopts & WAKE_BCAST)
1827 adapter->wol |= E1000_WUFC_BC;
1828 if (wol->wolopts & WAKE_MAGIC)
1829 adapter->wol |= E1000_WUFC_MAG;
1834 /* toggle LED 4 times per second = 2 "blinks" per second */
1835 #define E1000_ID_INTERVAL (HZ/4)
1837 /* bit defines for adapter->led_status */
1838 #define E1000_LED_ON 0
1841 e1000_led_blink_callback(unsigned long data)
1843 struct e1000_adapter *adapter = (struct e1000_adapter *) data;
1845 if (test_and_change_bit(E1000_LED_ON, &adapter->led_status))
1846 e1000_led_off(&adapter->hw);
1848 e1000_led_on(&adapter->hw);
1850 mod_timer(&adapter->blink_timer, jiffies + E1000_ID_INTERVAL);
1854 e1000_phys_id(struct net_device *netdev, uint32_t data)
1856 struct e1000_adapter *adapter = netdev_priv(netdev);
1858 if (!data || data > (uint32_t)(MAX_SCHEDULE_TIMEOUT / HZ))
1859 data = (uint32_t)(MAX_SCHEDULE_TIMEOUT / HZ);
1861 if (adapter->hw.mac_type < e1000_82571) {
1862 if (!adapter->blink_timer.function) {
1863 init_timer(&adapter->blink_timer);
1864 adapter->blink_timer.function = e1000_led_blink_callback;
1865 adapter->blink_timer.data = (unsigned long) adapter;
1867 e1000_setup_led(&adapter->hw);
1868 mod_timer(&adapter->blink_timer, jiffies);
1869 msleep_interruptible(data * 1000);
1870 del_timer_sync(&adapter->blink_timer);
1871 } else if (adapter->hw.phy_type == e1000_phy_ife) {
1872 if (!adapter->blink_timer.function) {
1873 init_timer(&adapter->blink_timer);
1874 adapter->blink_timer.function = e1000_led_blink_callback;
1875 adapter->blink_timer.data = (unsigned long) adapter;
1877 mod_timer(&adapter->blink_timer, jiffies);
1878 msleep_interruptible(data * 1000);
1879 del_timer_sync(&adapter->blink_timer);
1880 e1000_write_phy_reg(&(adapter->hw), IFE_PHY_SPECIAL_CONTROL_LED, 0);
1882 e1000_blink_led_start(&adapter->hw);
1883 msleep_interruptible(data * 1000);
1886 e1000_led_off(&adapter->hw);
1887 clear_bit(E1000_LED_ON, &adapter->led_status);
1888 e1000_cleanup_led(&adapter->hw);
1894 e1000_nway_reset(struct net_device *netdev)
1896 struct e1000_adapter *adapter = netdev_priv(netdev);
1897 if (netif_running(netdev))
1898 e1000_reinit_locked(adapter);
1903 e1000_get_stats_count(struct net_device *netdev)
1905 return E1000_STATS_LEN;
1909 e1000_get_ethtool_stats(struct net_device *netdev,
1910 struct ethtool_stats *stats, uint64_t *data)
1912 struct e1000_adapter *adapter = netdev_priv(netdev);
1915 e1000_update_stats(adapter);
1916 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1917 char *p = (char *)adapter+e1000_gstrings_stats[i].stat_offset;
1918 data[i] = (e1000_gstrings_stats[i].sizeof_stat ==
1919 sizeof(uint64_t)) ? *(uint64_t *)p : *(uint32_t *)p;
1921 /* BUG_ON(i != E1000_STATS_LEN); */
1925 e1000_get_strings(struct net_device *netdev, uint32_t stringset, uint8_t *data)
1930 switch (stringset) {
1932 memcpy(data, *e1000_gstrings_test,
1933 E1000_TEST_LEN*ETH_GSTRING_LEN);
1936 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1937 memcpy(p, e1000_gstrings_stats[i].stat_string,
1939 p += ETH_GSTRING_LEN;
1941 /* BUG_ON(p - data != E1000_STATS_LEN * ETH_GSTRING_LEN); */
1946 static const struct ethtool_ops e1000_ethtool_ops = {
1947 .get_settings = e1000_get_settings,
1948 .set_settings = e1000_set_settings,
1949 .get_drvinfo = e1000_get_drvinfo,
1950 .get_regs_len = e1000_get_regs_len,
1951 .get_regs = e1000_get_regs,
1952 .get_wol = e1000_get_wol,
1953 .set_wol = e1000_set_wol,
1954 .get_msglevel = e1000_get_msglevel,
1955 .set_msglevel = e1000_set_msglevel,
1956 .nway_reset = e1000_nway_reset,
1957 .get_link = ethtool_op_get_link,
1958 .get_eeprom_len = e1000_get_eeprom_len,
1959 .get_eeprom = e1000_get_eeprom,
1960 .set_eeprom = e1000_set_eeprom,
1961 .get_ringparam = e1000_get_ringparam,
1962 .set_ringparam = e1000_set_ringparam,
1963 .get_pauseparam = e1000_get_pauseparam,
1964 .set_pauseparam = e1000_set_pauseparam,
1965 .get_rx_csum = e1000_get_rx_csum,
1966 .set_rx_csum = e1000_set_rx_csum,
1967 .get_tx_csum = e1000_get_tx_csum,
1968 .set_tx_csum = e1000_set_tx_csum,
1969 .get_sg = ethtool_op_get_sg,
1970 .set_sg = ethtool_op_set_sg,
1972 .get_tso = ethtool_op_get_tso,
1973 .set_tso = e1000_set_tso,
1975 .self_test_count = e1000_diag_test_count,
1976 .self_test = e1000_diag_test,
1977 .get_strings = e1000_get_strings,
1978 .phys_id = e1000_phys_id,
1979 .get_stats_count = e1000_get_stats_count,
1980 .get_ethtool_stats = e1000_get_ethtool_stats,
1981 .get_perm_addr = ethtool_op_get_perm_addr,
1984 void e1000_set_ethtool_ops(struct net_device *netdev)
1986 SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops);