1 /*******************************************************************************
3 Intel PRO/1000 Linux driver
4 Copyright(c) 1999 - 2009 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 */
31 #include <linux/netdevice.h>
32 #include <linux/ethtool.h>
33 #include <linux/pci.h>
34 #include <linux/delay.h>
38 enum {NETDEV_STATS, E1000_STATS};
41 char stat_string[ETH_GSTRING_LEN];
47 #define E1000_STAT(m) E1000_STATS, \
48 sizeof(((struct e1000_adapter *)0)->m), \
49 offsetof(struct e1000_adapter, m)
50 #define E1000_NETDEV_STAT(m) NETDEV_STATS, \
51 sizeof(((struct net_device *)0)->m), \
52 offsetof(struct net_device, m)
54 static const struct e1000_stats e1000_gstrings_stats[] = {
55 { "rx_packets", E1000_STAT(stats.gprc) },
56 { "tx_packets", E1000_STAT(stats.gptc) },
57 { "rx_bytes", E1000_STAT(stats.gorc) },
58 { "tx_bytes", E1000_STAT(stats.gotc) },
59 { "rx_broadcast", E1000_STAT(stats.bprc) },
60 { "tx_broadcast", E1000_STAT(stats.bptc) },
61 { "rx_multicast", E1000_STAT(stats.mprc) },
62 { "tx_multicast", E1000_STAT(stats.mptc) },
63 { "rx_errors", E1000_NETDEV_STAT(stats.rx_errors) },
64 { "tx_errors", E1000_NETDEV_STAT(stats.tx_errors) },
65 { "tx_dropped", E1000_NETDEV_STAT(stats.tx_dropped) },
66 { "multicast", E1000_STAT(stats.mprc) },
67 { "collisions", E1000_STAT(stats.colc) },
68 { "rx_length_errors", E1000_NETDEV_STAT(stats.rx_length_errors) },
69 { "rx_over_errors", E1000_NETDEV_STAT(stats.rx_over_errors) },
70 { "rx_crc_errors", E1000_STAT(stats.crcerrs) },
71 { "rx_frame_errors", E1000_NETDEV_STAT(stats.rx_frame_errors) },
72 { "rx_no_buffer_count", E1000_STAT(stats.rnbc) },
73 { "rx_missed_errors", E1000_STAT(stats.mpc) },
74 { "tx_aborted_errors", E1000_STAT(stats.ecol) },
75 { "tx_carrier_errors", E1000_STAT(stats.tncrs) },
76 { "tx_fifo_errors", E1000_NETDEV_STAT(stats.tx_fifo_errors) },
77 { "tx_heartbeat_errors", E1000_NETDEV_STAT(stats.tx_heartbeat_errors) },
78 { "tx_window_errors", E1000_STAT(stats.latecol) },
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 { "tx_restart_queue", E1000_STAT(restart_queue) },
85 { "rx_long_length_errors", E1000_STAT(stats.roc) },
86 { "rx_short_length_errors", E1000_STAT(stats.ruc) },
87 { "rx_align_errors", E1000_STAT(stats.algnerrc) },
88 { "tx_tcp_seg_good", E1000_STAT(stats.tsctc) },
89 { "tx_tcp_seg_failed", E1000_STAT(stats.tsctfc) },
90 { "rx_flow_control_xon", E1000_STAT(stats.xonrxc) },
91 { "rx_flow_control_xoff", E1000_STAT(stats.xoffrxc) },
92 { "tx_flow_control_xon", E1000_STAT(stats.xontxc) },
93 { "tx_flow_control_xoff", E1000_STAT(stats.xofftxc) },
94 { "rx_long_byte_count", E1000_STAT(stats.gorc) },
95 { "rx_csum_offload_good", E1000_STAT(hw_csum_good) },
96 { "rx_csum_offload_errors", E1000_STAT(hw_csum_err) },
97 { "rx_header_split", E1000_STAT(rx_hdr_split) },
98 { "alloc_rx_buff_failed", E1000_STAT(alloc_rx_buff_failed) },
99 { "tx_smbus", E1000_STAT(stats.mgptc) },
100 { "rx_smbus", E1000_STAT(stats.mgprc) },
101 { "dropped_smbus", E1000_STAT(stats.mgpdc) },
102 { "rx_dma_failed", E1000_STAT(rx_dma_failed) },
103 { "tx_dma_failed", E1000_STAT(tx_dma_failed) },
106 #define E1000_GLOBAL_STATS_LEN ARRAY_SIZE(e1000_gstrings_stats)
107 #define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN)
108 static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = {
109 "Register test (offline)", "Eeprom test (offline)",
110 "Interrupt test (offline)", "Loopback test (offline)",
111 "Link test (on/offline)"
113 #define E1000_TEST_LEN ARRAY_SIZE(e1000_gstrings_test)
115 static int e1000_get_settings(struct net_device *netdev,
116 struct ethtool_cmd *ecmd)
118 struct e1000_adapter *adapter = netdev_priv(netdev);
119 struct e1000_hw *hw = &adapter->hw;
122 if (hw->phy.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->mac.autoneg == 1) {
136 ecmd->advertising |= ADVERTISED_Autoneg;
137 /* the e1000 autoneg seems to match ethtool nicely */
138 ecmd->advertising |= hw->phy.autoneg_advertised;
141 ecmd->port = PORT_TP;
142 ecmd->phy_address = hw->phy.addr;
143 ecmd->transceiver = XCVR_INTERNAL;
146 ecmd->supported = (SUPPORTED_1000baseT_Full |
150 ecmd->advertising = (ADVERTISED_1000baseT_Full |
154 ecmd->port = PORT_FIBRE;
155 ecmd->transceiver = XCVR_EXTERNAL;
158 status = er32(STATUS);
159 if (status & E1000_STATUS_LU) {
160 if (status & E1000_STATUS_SPEED_1000)
162 else if (status & E1000_STATUS_SPEED_100)
167 if (status & E1000_STATUS_FD)
168 ecmd->duplex = DUPLEX_FULL;
170 ecmd->duplex = DUPLEX_HALF;
176 ecmd->autoneg = ((hw->phy.media_type == e1000_media_type_fiber) ||
177 hw->mac.autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE;
179 /* MDI-X => 2; MDI =>1; Invalid =>0 */
180 if ((hw->phy.media_type == e1000_media_type_copper) &&
181 !hw->mac.get_link_status)
182 ecmd->eth_tp_mdix = hw->phy.is_mdix ? ETH_TP_MDI_X :
185 ecmd->eth_tp_mdix = ETH_TP_MDI_INVALID;
190 static u32 e1000_get_link(struct net_device *netdev)
192 struct e1000_adapter *adapter = netdev_priv(netdev);
193 struct e1000_mac_info *mac = &adapter->hw.mac;
196 * If the link is not reported up to netdev, interrupts are disabled,
197 * and so the physical link state may have changed since we last
198 * looked. Set get_link_status to make sure that the true link
199 * state is interrogated, rather than pulling a cached and possibly
200 * stale link state from the driver.
202 if (!netif_carrier_ok(netdev))
203 mac->get_link_status = 1;
205 return e1000_has_link(adapter);
208 static int e1000_set_spd_dplx(struct e1000_adapter *adapter, u16 spddplx)
210 struct e1000_mac_info *mac = &adapter->hw.mac;
214 /* Fiber NICs only allow 1000 gbps Full duplex */
215 if ((adapter->hw.phy.media_type == e1000_media_type_fiber) &&
216 spddplx != (SPEED_1000 + DUPLEX_FULL)) {
217 e_err("Unsupported Speed/Duplex configuration\n");
222 case SPEED_10 + DUPLEX_HALF:
223 mac->forced_speed_duplex = ADVERTISE_10_HALF;
225 case SPEED_10 + DUPLEX_FULL:
226 mac->forced_speed_duplex = ADVERTISE_10_FULL;
228 case SPEED_100 + DUPLEX_HALF:
229 mac->forced_speed_duplex = ADVERTISE_100_HALF;
231 case SPEED_100 + DUPLEX_FULL:
232 mac->forced_speed_duplex = ADVERTISE_100_FULL;
234 case SPEED_1000 + DUPLEX_FULL:
236 adapter->hw.phy.autoneg_advertised = ADVERTISE_1000_FULL;
238 case SPEED_1000 + DUPLEX_HALF: /* not supported */
240 e_err("Unsupported Speed/Duplex configuration\n");
246 static int e1000_set_settings(struct net_device *netdev,
247 struct ethtool_cmd *ecmd)
249 struct e1000_adapter *adapter = netdev_priv(netdev);
250 struct e1000_hw *hw = &adapter->hw;
253 * When SoL/IDER sessions are active, autoneg/speed/duplex
256 if (e1000_check_reset_block(hw)) {
257 e_err("Cannot change link characteristics when SoL/IDER is "
262 while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
265 if (ecmd->autoneg == AUTONEG_ENABLE) {
267 if (hw->phy.media_type == e1000_media_type_fiber)
268 hw->phy.autoneg_advertised = ADVERTISED_1000baseT_Full |
272 hw->phy.autoneg_advertised = ecmd->advertising |
275 ecmd->advertising = hw->phy.autoneg_advertised;
276 if (adapter->fc_autoneg)
277 hw->fc.requested_mode = e1000_fc_default;
279 if (e1000_set_spd_dplx(adapter, ecmd->speed + ecmd->duplex)) {
280 clear_bit(__E1000_RESETTING, &adapter->state);
287 if (netif_running(adapter->netdev)) {
288 e1000e_down(adapter);
291 e1000e_reset(adapter);
294 clear_bit(__E1000_RESETTING, &adapter->state);
298 static void e1000_get_pauseparam(struct net_device *netdev,
299 struct ethtool_pauseparam *pause)
301 struct e1000_adapter *adapter = netdev_priv(netdev);
302 struct e1000_hw *hw = &adapter->hw;
305 (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE);
307 if (hw->fc.current_mode == e1000_fc_rx_pause) {
309 } else if (hw->fc.current_mode == e1000_fc_tx_pause) {
311 } else if (hw->fc.current_mode == e1000_fc_full) {
317 static int e1000_set_pauseparam(struct net_device *netdev,
318 struct ethtool_pauseparam *pause)
320 struct e1000_adapter *adapter = netdev_priv(netdev);
321 struct e1000_hw *hw = &adapter->hw;
324 adapter->fc_autoneg = pause->autoneg;
326 while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
329 if (adapter->fc_autoneg == AUTONEG_ENABLE) {
330 hw->fc.requested_mode = e1000_fc_default;
331 if (netif_running(adapter->netdev)) {
332 e1000e_down(adapter);
335 e1000e_reset(adapter);
338 if (pause->rx_pause && pause->tx_pause)
339 hw->fc.requested_mode = e1000_fc_full;
340 else if (pause->rx_pause && !pause->tx_pause)
341 hw->fc.requested_mode = e1000_fc_rx_pause;
342 else if (!pause->rx_pause && pause->tx_pause)
343 hw->fc.requested_mode = e1000_fc_tx_pause;
344 else if (!pause->rx_pause && !pause->tx_pause)
345 hw->fc.requested_mode = e1000_fc_none;
347 hw->fc.current_mode = hw->fc.requested_mode;
349 if (hw->phy.media_type == e1000_media_type_fiber) {
350 retval = hw->mac.ops.setup_link(hw);
351 /* implicit goto out */
353 retval = e1000e_force_mac_fc(hw);
356 e1000e_set_fc_watermarks(hw);
361 clear_bit(__E1000_RESETTING, &adapter->state);
365 static u32 e1000_get_rx_csum(struct net_device *netdev)
367 struct e1000_adapter *adapter = netdev_priv(netdev);
368 return (adapter->flags & FLAG_RX_CSUM_ENABLED);
371 static int e1000_set_rx_csum(struct net_device *netdev, u32 data)
373 struct e1000_adapter *adapter = netdev_priv(netdev);
376 adapter->flags |= FLAG_RX_CSUM_ENABLED;
378 adapter->flags &= ~FLAG_RX_CSUM_ENABLED;
380 if (netif_running(netdev))
381 e1000e_reinit_locked(adapter);
383 e1000e_reset(adapter);
387 static u32 e1000_get_tx_csum(struct net_device *netdev)
389 return ((netdev->features & NETIF_F_HW_CSUM) != 0);
392 static int e1000_set_tx_csum(struct net_device *netdev, u32 data)
395 netdev->features |= NETIF_F_HW_CSUM;
397 netdev->features &= ~NETIF_F_HW_CSUM;
402 static int e1000_set_tso(struct net_device *netdev, u32 data)
404 struct e1000_adapter *adapter = netdev_priv(netdev);
407 netdev->features |= NETIF_F_TSO;
408 netdev->features |= NETIF_F_TSO6;
410 netdev->features &= ~NETIF_F_TSO;
411 netdev->features &= ~NETIF_F_TSO6;
414 e_info("TSO is %s\n", data ? "Enabled" : "Disabled");
415 adapter->flags |= FLAG_TSO_FORCE;
419 static u32 e1000_get_msglevel(struct net_device *netdev)
421 struct e1000_adapter *adapter = netdev_priv(netdev);
422 return adapter->msg_enable;
425 static void e1000_set_msglevel(struct net_device *netdev, u32 data)
427 struct e1000_adapter *adapter = netdev_priv(netdev);
428 adapter->msg_enable = data;
431 static int e1000_get_regs_len(struct net_device *netdev)
433 #define E1000_REGS_LEN 32 /* overestimate */
434 return E1000_REGS_LEN * sizeof(u32);
437 static void e1000_get_regs(struct net_device *netdev,
438 struct ethtool_regs *regs, void *p)
440 struct e1000_adapter *adapter = netdev_priv(netdev);
441 struct e1000_hw *hw = &adapter->hw;
446 memset(p, 0, E1000_REGS_LEN * sizeof(u32));
448 pci_read_config_byte(adapter->pdev, PCI_REVISION_ID, &revision_id);
450 regs->version = (1 << 24) | (revision_id << 16) | adapter->pdev->device;
452 regs_buff[0] = er32(CTRL);
453 regs_buff[1] = er32(STATUS);
455 regs_buff[2] = er32(RCTL);
456 regs_buff[3] = er32(RDLEN);
457 regs_buff[4] = er32(RDH);
458 regs_buff[5] = er32(RDT);
459 regs_buff[6] = er32(RDTR);
461 regs_buff[7] = er32(TCTL);
462 regs_buff[8] = er32(TDLEN);
463 regs_buff[9] = er32(TDH);
464 regs_buff[10] = er32(TDT);
465 regs_buff[11] = er32(TIDV);
467 regs_buff[12] = adapter->hw.phy.type; /* PHY type (IGP=1, M88=0) */
469 /* ethtool doesn't use anything past this point, so all this
470 * code is likely legacy junk for apps that may or may not
472 if (hw->phy.type == e1000_phy_m88) {
473 e1e_rphy(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
474 regs_buff[13] = (u32)phy_data; /* cable length */
475 regs_buff[14] = 0; /* Dummy (to align w/ IGP phy reg dump) */
476 regs_buff[15] = 0; /* Dummy (to align w/ IGP phy reg dump) */
477 regs_buff[16] = 0; /* Dummy (to align w/ IGP phy reg dump) */
478 e1e_rphy(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
479 regs_buff[17] = (u32)phy_data; /* extended 10bt distance */
480 regs_buff[18] = regs_buff[13]; /* cable polarity */
481 regs_buff[19] = 0; /* Dummy (to align w/ IGP phy reg dump) */
482 regs_buff[20] = regs_buff[17]; /* polarity correction */
483 /* phy receive errors */
484 regs_buff[22] = adapter->phy_stats.receive_errors;
485 regs_buff[23] = regs_buff[13]; /* mdix mode */
487 regs_buff[21] = 0; /* was idle_errors */
488 e1e_rphy(hw, PHY_1000T_STATUS, &phy_data);
489 regs_buff[24] = (u32)phy_data; /* phy local receiver status */
490 regs_buff[25] = regs_buff[24]; /* phy remote receiver status */
493 static int e1000_get_eeprom_len(struct net_device *netdev)
495 struct e1000_adapter *adapter = netdev_priv(netdev);
496 return adapter->hw.nvm.word_size * 2;
499 static int e1000_get_eeprom(struct net_device *netdev,
500 struct ethtool_eeprom *eeprom, u8 *bytes)
502 struct e1000_adapter *adapter = netdev_priv(netdev);
503 struct e1000_hw *hw = &adapter->hw;
510 if (eeprom->len == 0)
513 eeprom->magic = adapter->pdev->vendor | (adapter->pdev->device << 16);
515 first_word = eeprom->offset >> 1;
516 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
518 eeprom_buff = kmalloc(sizeof(u16) *
519 (last_word - first_word + 1), GFP_KERNEL);
523 if (hw->nvm.type == e1000_nvm_eeprom_spi) {
524 ret_val = e1000_read_nvm(hw, first_word,
525 last_word - first_word + 1,
528 for (i = 0; i < last_word - first_word + 1; i++) {
529 ret_val = e1000_read_nvm(hw, first_word + i, 1,
537 /* a read error occurred, throw away the result */
538 memset(eeprom_buff, 0xff, sizeof(eeprom_buff));
540 /* Device's eeprom is always little-endian, word addressable */
541 for (i = 0; i < last_word - first_word + 1; i++)
542 le16_to_cpus(&eeprom_buff[i]);
545 memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
551 static int e1000_set_eeprom(struct net_device *netdev,
552 struct ethtool_eeprom *eeprom, u8 *bytes)
554 struct e1000_adapter *adapter = netdev_priv(netdev);
555 struct e1000_hw *hw = &adapter->hw;
564 if (eeprom->len == 0)
567 if (eeprom->magic != (adapter->pdev->vendor | (adapter->pdev->device << 16)))
570 if (adapter->flags & FLAG_READ_ONLY_NVM)
573 max_len = hw->nvm.word_size * 2;
575 first_word = eeprom->offset >> 1;
576 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
577 eeprom_buff = kmalloc(max_len, GFP_KERNEL);
581 ptr = (void *)eeprom_buff;
583 if (eeprom->offset & 1) {
584 /* need read/modify/write of first changed EEPROM word */
585 /* only the second byte of the word is being modified */
586 ret_val = e1000_read_nvm(hw, first_word, 1, &eeprom_buff[0]);
589 if (((eeprom->offset + eeprom->len) & 1) && (ret_val == 0))
590 /* need read/modify/write of last changed EEPROM word */
591 /* only the first byte of the word is being modified */
592 ret_val = e1000_read_nvm(hw, last_word, 1,
593 &eeprom_buff[last_word - first_word]);
598 /* Device's eeprom is always little-endian, word addressable */
599 for (i = 0; i < last_word - first_word + 1; i++)
600 le16_to_cpus(&eeprom_buff[i]);
602 memcpy(ptr, bytes, eeprom->len);
604 for (i = 0; i < last_word - first_word + 1; i++)
605 eeprom_buff[i] = cpu_to_le16(eeprom_buff[i]);
607 ret_val = e1000_write_nvm(hw, first_word,
608 last_word - first_word + 1, eeprom_buff);
614 * Update the checksum over the first part of the EEPROM if needed
615 * and flush shadow RAM for applicable controllers
617 if ((first_word <= NVM_CHECKSUM_REG) ||
618 (hw->mac.type == e1000_82583) ||
619 (hw->mac.type == e1000_82574) ||
620 (hw->mac.type == e1000_82573))
621 ret_val = e1000e_update_nvm_checksum(hw);
628 static void e1000_get_drvinfo(struct net_device *netdev,
629 struct ethtool_drvinfo *drvinfo)
631 struct e1000_adapter *adapter = netdev_priv(netdev);
632 char firmware_version[32];
634 strncpy(drvinfo->driver, e1000e_driver_name, 32);
635 strncpy(drvinfo->version, e1000e_driver_version, 32);
638 * EEPROM image version # is reported as firmware version # for
641 sprintf(firmware_version, "%d.%d-%d",
642 (adapter->eeprom_vers & 0xF000) >> 12,
643 (adapter->eeprom_vers & 0x0FF0) >> 4,
644 (adapter->eeprom_vers & 0x000F));
646 strncpy(drvinfo->fw_version, firmware_version, 32);
647 strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
648 drvinfo->regdump_len = e1000_get_regs_len(netdev);
649 drvinfo->eedump_len = e1000_get_eeprom_len(netdev);
652 static void e1000_get_ringparam(struct net_device *netdev,
653 struct ethtool_ringparam *ring)
655 struct e1000_adapter *adapter = netdev_priv(netdev);
656 struct e1000_ring *tx_ring = adapter->tx_ring;
657 struct e1000_ring *rx_ring = adapter->rx_ring;
659 ring->rx_max_pending = E1000_MAX_RXD;
660 ring->tx_max_pending = E1000_MAX_TXD;
661 ring->rx_mini_max_pending = 0;
662 ring->rx_jumbo_max_pending = 0;
663 ring->rx_pending = rx_ring->count;
664 ring->tx_pending = tx_ring->count;
665 ring->rx_mini_pending = 0;
666 ring->rx_jumbo_pending = 0;
669 static int e1000_set_ringparam(struct net_device *netdev,
670 struct ethtool_ringparam *ring)
672 struct e1000_adapter *adapter = netdev_priv(netdev);
673 struct e1000_ring *tx_ring, *tx_old;
674 struct e1000_ring *rx_ring, *rx_old;
677 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
680 while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
683 if (netif_running(adapter->netdev))
684 e1000e_down(adapter);
686 tx_old = adapter->tx_ring;
687 rx_old = adapter->rx_ring;
690 tx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL);
694 * use a memcpy to save any previously configured
695 * items like napi structs from having to be
698 memcpy(tx_ring, tx_old, sizeof(struct e1000_ring));
700 rx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL);
703 memcpy(rx_ring, rx_old, sizeof(struct e1000_ring));
705 adapter->tx_ring = tx_ring;
706 adapter->rx_ring = rx_ring;
708 rx_ring->count = max(ring->rx_pending, (u32)E1000_MIN_RXD);
709 rx_ring->count = min(rx_ring->count, (u32)(E1000_MAX_RXD));
710 rx_ring->count = ALIGN(rx_ring->count, REQ_RX_DESCRIPTOR_MULTIPLE);
712 tx_ring->count = max(ring->tx_pending, (u32)E1000_MIN_TXD);
713 tx_ring->count = min(tx_ring->count, (u32)(E1000_MAX_TXD));
714 tx_ring->count = ALIGN(tx_ring->count, REQ_TX_DESCRIPTOR_MULTIPLE);
716 if (netif_running(adapter->netdev)) {
717 /* Try to get new resources before deleting old */
718 err = e1000e_setup_rx_resources(adapter);
721 err = e1000e_setup_tx_resources(adapter);
726 * restore the old in order to free it,
727 * then add in the new
729 adapter->rx_ring = rx_old;
730 adapter->tx_ring = tx_old;
731 e1000e_free_rx_resources(adapter);
732 e1000e_free_tx_resources(adapter);
735 adapter->rx_ring = rx_ring;
736 adapter->tx_ring = tx_ring;
737 err = e1000e_up(adapter);
742 clear_bit(__E1000_RESETTING, &adapter->state);
745 e1000e_free_rx_resources(adapter);
747 adapter->rx_ring = rx_old;
748 adapter->tx_ring = tx_old;
755 clear_bit(__E1000_RESETTING, &adapter->state);
759 static bool reg_pattern_test(struct e1000_adapter *adapter, u64 *data,
760 int reg, int offset, u32 mask, u32 write)
763 static const u32 test[] =
764 {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF};
765 for (pat = 0; pat < ARRAY_SIZE(test); pat++) {
766 E1000_WRITE_REG_ARRAY(&adapter->hw, reg, offset,
767 (test[pat] & write));
768 val = E1000_READ_REG_ARRAY(&adapter->hw, reg, offset);
769 if (val != (test[pat] & write & mask)) {
770 e_err("pattern test reg %04X failed: got 0x%08X "
771 "expected 0x%08X\n", reg + offset, val,
772 (test[pat] & write & mask));
780 static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data,
781 int reg, u32 mask, u32 write)
784 __ew32(&adapter->hw, reg, write & mask);
785 val = __er32(&adapter->hw, reg);
786 if ((write & mask) != (val & mask)) {
787 e_err("set/check reg %04X test failed: got 0x%08X "
788 "expected 0x%08X\n", reg, (val & mask), (write & mask));
794 #define REG_PATTERN_TEST_ARRAY(reg, offset, mask, write) \
796 if (reg_pattern_test(adapter, data, reg, offset, mask, write)) \
799 #define REG_PATTERN_TEST(reg, mask, write) \
800 REG_PATTERN_TEST_ARRAY(reg, 0, mask, write)
802 #define REG_SET_AND_CHECK(reg, mask, write) \
804 if (reg_set_and_check(adapter, data, reg, mask, write)) \
808 static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data)
810 struct e1000_hw *hw = &adapter->hw;
811 struct e1000_mac_info *mac = &adapter->hw.mac;
820 * The status register is Read Only, so a write should fail.
821 * Some bits that get toggled are ignored.
824 /* there are several bits on newer hardware that are r/w */
827 case e1000_80003es2lan:
835 before = er32(STATUS);
836 value = (er32(STATUS) & toggle);
837 ew32(STATUS, toggle);
838 after = er32(STATUS) & toggle;
839 if (value != after) {
840 e_err("failed STATUS register test got: 0x%08X expected: "
841 "0x%08X\n", after, value);
845 /* restore previous status */
846 ew32(STATUS, before);
848 if (!(adapter->flags & FLAG_IS_ICH)) {
849 REG_PATTERN_TEST(E1000_FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
850 REG_PATTERN_TEST(E1000_FCAH, 0x0000FFFF, 0xFFFFFFFF);
851 REG_PATTERN_TEST(E1000_FCT, 0x0000FFFF, 0xFFFFFFFF);
852 REG_PATTERN_TEST(E1000_VET, 0x0000FFFF, 0xFFFFFFFF);
855 REG_PATTERN_TEST(E1000_RDTR, 0x0000FFFF, 0xFFFFFFFF);
856 REG_PATTERN_TEST(E1000_RDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
857 REG_PATTERN_TEST(E1000_RDLEN, 0x000FFF80, 0x000FFFFF);
858 REG_PATTERN_TEST(E1000_RDH, 0x0000FFFF, 0x0000FFFF);
859 REG_PATTERN_TEST(E1000_RDT, 0x0000FFFF, 0x0000FFFF);
860 REG_PATTERN_TEST(E1000_FCRTH, 0x0000FFF8, 0x0000FFF8);
861 REG_PATTERN_TEST(E1000_FCTTV, 0x0000FFFF, 0x0000FFFF);
862 REG_PATTERN_TEST(E1000_TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
863 REG_PATTERN_TEST(E1000_TDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
864 REG_PATTERN_TEST(E1000_TDLEN, 0x000FFF80, 0x000FFFFF);
866 REG_SET_AND_CHECK(E1000_RCTL, 0xFFFFFFFF, 0x00000000);
868 before = ((adapter->flags & FLAG_IS_ICH) ? 0x06C3B33E : 0x06DFB3FE);
869 REG_SET_AND_CHECK(E1000_RCTL, before, 0x003FFFFB);
870 REG_SET_AND_CHECK(E1000_TCTL, 0xFFFFFFFF, 0x00000000);
872 REG_SET_AND_CHECK(E1000_RCTL, before, 0xFFFFFFFF);
873 REG_PATTERN_TEST(E1000_RDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
874 if (!(adapter->flags & FLAG_IS_ICH))
875 REG_PATTERN_TEST(E1000_TXCW, 0xC000FFFF, 0x0000FFFF);
876 REG_PATTERN_TEST(E1000_TDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
877 REG_PATTERN_TEST(E1000_TIDV, 0x0000FFFF, 0x0000FFFF);
887 for (i = 0; i < mac->rar_entry_count; i++)
888 REG_PATTERN_TEST_ARRAY(E1000_RA, ((i << 1) + 1),
891 for (i = 0; i < mac->mta_reg_count; i++)
892 REG_PATTERN_TEST_ARRAY(E1000_MTA, i, 0xFFFFFFFF, 0xFFFFFFFF);
898 static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data)
905 /* Read and add up the contents of the EEPROM */
906 for (i = 0; i < (NVM_CHECKSUM_REG + 1); i++) {
907 if ((e1000_read_nvm(&adapter->hw, i, 1, &temp)) < 0) {
914 /* If Checksum is not Correct return error else test passed */
915 if ((checksum != (u16) NVM_SUM) && !(*data))
921 static irqreturn_t e1000_test_intr(int irq, void *data)
923 struct net_device *netdev = (struct net_device *) data;
924 struct e1000_adapter *adapter = netdev_priv(netdev);
925 struct e1000_hw *hw = &adapter->hw;
927 adapter->test_icr |= er32(ICR);
932 static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data)
934 struct net_device *netdev = adapter->netdev;
935 struct e1000_hw *hw = &adapter->hw;
938 u32 irq = adapter->pdev->irq;
941 int int_mode = E1000E_INT_MODE_LEGACY;
945 /* NOTE: we don't test MSI/MSI-X interrupts here, yet */
946 if (adapter->int_mode == E1000E_INT_MODE_MSIX) {
947 int_mode = adapter->int_mode;
948 e1000e_reset_interrupt_capability(adapter);
949 adapter->int_mode = E1000E_INT_MODE_LEGACY;
950 e1000e_set_interrupt_capability(adapter);
952 /* Hook up test interrupt handler just for this test */
953 if (!request_irq(irq, e1000_test_intr, IRQF_PROBE_SHARED, netdev->name,
956 } else if (request_irq(irq, e1000_test_intr, IRQF_SHARED,
957 netdev->name, netdev)) {
962 e_info("testing %s interrupt\n", (shared_int ? "shared" : "unshared"));
964 /* Disable all the interrupts */
965 ew32(IMC, 0xFFFFFFFF);
968 /* Test each interrupt */
969 for (i = 0; i < 10; i++) {
970 /* Interrupt to test */
973 if (adapter->flags & FLAG_IS_ICH) {
975 case E1000_ICR_RXSEQ:
978 if (adapter->hw.mac.type == e1000_ich8lan ||
979 adapter->hw.mac.type == e1000_ich9lan)
989 * Disable the interrupt to be reported in
990 * the cause register and then force the same
991 * interrupt and see if one gets posted. If
992 * an interrupt was posted to the bus, the
995 adapter->test_icr = 0;
1000 if (adapter->test_icr & mask) {
1007 * Enable the interrupt to be reported in
1008 * the cause register and then force the same
1009 * interrupt and see if one gets posted. If
1010 * an interrupt was not posted to the bus, the
1013 adapter->test_icr = 0;
1018 if (!(adapter->test_icr & mask)) {
1025 * Disable the other interrupts to be reported in
1026 * the cause register and then force the other
1027 * interrupts and see if any get posted. If
1028 * an interrupt was posted to the bus, the
1031 adapter->test_icr = 0;
1032 ew32(IMC, ~mask & 0x00007FFF);
1033 ew32(ICS, ~mask & 0x00007FFF);
1036 if (adapter->test_icr) {
1043 /* Disable all the interrupts */
1044 ew32(IMC, 0xFFFFFFFF);
1047 /* Unhook test interrupt handler */
1048 free_irq(irq, netdev);
1051 if (int_mode == E1000E_INT_MODE_MSIX) {
1052 e1000e_reset_interrupt_capability(adapter);
1053 adapter->int_mode = int_mode;
1054 e1000e_set_interrupt_capability(adapter);
1060 static void e1000_free_desc_rings(struct e1000_adapter *adapter)
1062 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1063 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1064 struct pci_dev *pdev = adapter->pdev;
1067 if (tx_ring->desc && tx_ring->buffer_info) {
1068 for (i = 0; i < tx_ring->count; i++) {
1069 if (tx_ring->buffer_info[i].dma)
1070 pci_unmap_single(pdev,
1071 tx_ring->buffer_info[i].dma,
1072 tx_ring->buffer_info[i].length,
1074 if (tx_ring->buffer_info[i].skb)
1075 dev_kfree_skb(tx_ring->buffer_info[i].skb);
1079 if (rx_ring->desc && rx_ring->buffer_info) {
1080 for (i = 0; i < rx_ring->count; i++) {
1081 if (rx_ring->buffer_info[i].dma)
1082 pci_unmap_single(pdev,
1083 rx_ring->buffer_info[i].dma,
1084 2048, PCI_DMA_FROMDEVICE);
1085 if (rx_ring->buffer_info[i].skb)
1086 dev_kfree_skb(rx_ring->buffer_info[i].skb);
1090 if (tx_ring->desc) {
1091 dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc,
1093 tx_ring->desc = NULL;
1095 if (rx_ring->desc) {
1096 dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc,
1098 rx_ring->desc = NULL;
1101 kfree(tx_ring->buffer_info);
1102 tx_ring->buffer_info = NULL;
1103 kfree(rx_ring->buffer_info);
1104 rx_ring->buffer_info = NULL;
1107 static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
1109 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1110 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1111 struct pci_dev *pdev = adapter->pdev;
1112 struct e1000_hw *hw = &adapter->hw;
1117 /* Setup Tx descriptor ring and Tx buffers */
1119 if (!tx_ring->count)
1120 tx_ring->count = E1000_DEFAULT_TXD;
1122 tx_ring->buffer_info = kcalloc(tx_ring->count,
1123 sizeof(struct e1000_buffer),
1125 if (!(tx_ring->buffer_info)) {
1130 tx_ring->size = tx_ring->count * sizeof(struct e1000_tx_desc);
1131 tx_ring->size = ALIGN(tx_ring->size, 4096);
1132 tx_ring->desc = dma_alloc_coherent(&pdev->dev, tx_ring->size,
1133 &tx_ring->dma, GFP_KERNEL);
1134 if (!tx_ring->desc) {
1138 tx_ring->next_to_use = 0;
1139 tx_ring->next_to_clean = 0;
1141 ew32(TDBAL, ((u64) tx_ring->dma & 0x00000000FFFFFFFF));
1142 ew32(TDBAH, ((u64) tx_ring->dma >> 32));
1143 ew32(TDLEN, tx_ring->count * sizeof(struct e1000_tx_desc));
1146 ew32(TCTL, E1000_TCTL_PSP | E1000_TCTL_EN | E1000_TCTL_MULR |
1147 E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
1148 E1000_COLLISION_DISTANCE << E1000_COLD_SHIFT);
1150 for (i = 0; i < tx_ring->count; i++) {
1151 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*tx_ring, i);
1152 struct sk_buff *skb;
1153 unsigned int skb_size = 1024;
1155 skb = alloc_skb(skb_size, GFP_KERNEL);
1160 skb_put(skb, skb_size);
1161 tx_ring->buffer_info[i].skb = skb;
1162 tx_ring->buffer_info[i].length = skb->len;
1163 tx_ring->buffer_info[i].dma =
1164 pci_map_single(pdev, skb->data, skb->len,
1166 if (pci_dma_mapping_error(pdev, tx_ring->buffer_info[i].dma)) {
1170 tx_desc->buffer_addr = cpu_to_le64(tx_ring->buffer_info[i].dma);
1171 tx_desc->lower.data = cpu_to_le32(skb->len);
1172 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
1173 E1000_TXD_CMD_IFCS |
1175 tx_desc->upper.data = 0;
1178 /* Setup Rx descriptor ring and Rx buffers */
1180 if (!rx_ring->count)
1181 rx_ring->count = E1000_DEFAULT_RXD;
1183 rx_ring->buffer_info = kcalloc(rx_ring->count,
1184 sizeof(struct e1000_buffer),
1186 if (!(rx_ring->buffer_info)) {
1191 rx_ring->size = rx_ring->count * sizeof(struct e1000_rx_desc);
1192 rx_ring->desc = dma_alloc_coherent(&pdev->dev, rx_ring->size,
1193 &rx_ring->dma, GFP_KERNEL);
1194 if (!rx_ring->desc) {
1198 rx_ring->next_to_use = 0;
1199 rx_ring->next_to_clean = 0;
1202 ew32(RCTL, rctl & ~E1000_RCTL_EN);
1203 ew32(RDBAL, ((u64) rx_ring->dma & 0xFFFFFFFF));
1204 ew32(RDBAH, ((u64) rx_ring->dma >> 32));
1205 ew32(RDLEN, rx_ring->size);
1208 rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
1209 E1000_RCTL_UPE | E1000_RCTL_MPE | E1000_RCTL_LPE |
1210 E1000_RCTL_SBP | E1000_RCTL_SECRC |
1211 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
1212 (adapter->hw.mac.mc_filter_type << E1000_RCTL_MO_SHIFT);
1215 for (i = 0; i < rx_ring->count; i++) {
1216 struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rx_ring, i);
1217 struct sk_buff *skb;
1219 skb = alloc_skb(2048 + NET_IP_ALIGN, GFP_KERNEL);
1224 skb_reserve(skb, NET_IP_ALIGN);
1225 rx_ring->buffer_info[i].skb = skb;
1226 rx_ring->buffer_info[i].dma =
1227 pci_map_single(pdev, skb->data, 2048,
1228 PCI_DMA_FROMDEVICE);
1229 if (pci_dma_mapping_error(pdev, rx_ring->buffer_info[i].dma)) {
1233 rx_desc->buffer_addr =
1234 cpu_to_le64(rx_ring->buffer_info[i].dma);
1235 memset(skb->data, 0x00, skb->len);
1241 e1000_free_desc_rings(adapter);
1245 static void e1000_phy_disable_receiver(struct e1000_adapter *adapter)
1247 /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1248 e1e_wphy(&adapter->hw, 29, 0x001F);
1249 e1e_wphy(&adapter->hw, 30, 0x8FFC);
1250 e1e_wphy(&adapter->hw, 29, 0x001A);
1251 e1e_wphy(&adapter->hw, 30, 0x8FF0);
1254 static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
1256 struct e1000_hw *hw = &adapter->hw;
1261 hw->mac.autoneg = 0;
1263 /* Workaround: K1 must be disabled for stable 1Gbps operation */
1264 if (hw->mac.type == e1000_pchlan)
1265 e1000_configure_k1_ich8lan(hw, false);
1267 if (hw->phy.type == e1000_phy_m88) {
1268 /* Auto-MDI/MDIX Off */
1269 e1e_wphy(hw, M88E1000_PHY_SPEC_CTRL, 0x0808);
1270 /* reset to update Auto-MDI/MDIX */
1271 e1e_wphy(hw, PHY_CONTROL, 0x9140);
1273 e1e_wphy(hw, PHY_CONTROL, 0x8140);
1274 } else if (hw->phy.type == e1000_phy_gg82563)
1275 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x1CC);
1277 ctrl_reg = er32(CTRL);
1279 switch (hw->phy.type) {
1281 /* force 100, set loopback */
1282 e1e_wphy(hw, PHY_CONTROL, 0x6100);
1284 /* Now set up the MAC to the same speed/duplex as the PHY. */
1285 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1286 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1287 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1288 E1000_CTRL_SPD_100 |/* Force Speed to 100 */
1289 E1000_CTRL_FD); /* Force Duplex to FULL */
1292 /* Set Default MAC Interface speed to 1GB */
1293 e1e_rphy(hw, PHY_REG(2, 21), &phy_reg);
1296 e1e_wphy(hw, PHY_REG(2, 21), phy_reg);
1297 /* Assert SW reset for above settings to take effect */
1298 e1000e_commit_phy(hw);
1300 /* Force Full Duplex */
1301 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg);
1302 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x000C);
1303 /* Set Link Up (in force link) */
1304 e1e_rphy(hw, PHY_REG(776, 16), &phy_reg);
1305 e1e_wphy(hw, PHY_REG(776, 16), phy_reg | 0x0040);
1307 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg);
1308 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x0040);
1309 /* Set Early Link Enable */
1310 e1e_rphy(hw, PHY_REG(769, 20), &phy_reg);
1311 e1e_wphy(hw, PHY_REG(769, 20), phy_reg | 0x0400);
1314 /* force 1000, set loopback */
1315 e1e_wphy(hw, PHY_CONTROL, 0x4140);
1318 /* Now set up the MAC to the same speed/duplex as the PHY. */
1319 ctrl_reg = er32(CTRL);
1320 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1321 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1322 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1323 E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
1324 E1000_CTRL_FD); /* Force Duplex to FULL */
1326 if (adapter->flags & FLAG_IS_ICH)
1327 ctrl_reg |= E1000_CTRL_SLU; /* Set Link Up */
1330 if (hw->phy.media_type == e1000_media_type_copper &&
1331 hw->phy.type == e1000_phy_m88) {
1332 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
1335 * Set the ILOS bit on the fiber Nic if half duplex link is
1338 stat_reg = er32(STATUS);
1339 if ((stat_reg & E1000_STATUS_FD) == 0)
1340 ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
1343 ew32(CTRL, ctrl_reg);
1346 * Disable the receiver on the PHY so when a cable is plugged in, the
1347 * PHY does not begin to autoneg when a cable is reconnected to the NIC.
1349 if (hw->phy.type == e1000_phy_m88)
1350 e1000_phy_disable_receiver(adapter);
1357 static int e1000_set_82571_fiber_loopback(struct e1000_adapter *adapter)
1359 struct e1000_hw *hw = &adapter->hw;
1360 u32 ctrl = er32(CTRL);
1363 /* special requirements for 82571/82572 fiber adapters */
1366 * jump through hoops to make sure link is up because serdes
1367 * link is hardwired up
1369 ctrl |= E1000_CTRL_SLU;
1372 /* disable autoneg */
1377 link = (er32(STATUS) & E1000_STATUS_LU);
1380 /* set invert loss of signal */
1382 ctrl |= E1000_CTRL_ILOS;
1387 * special write to serdes control register to enable SerDes analog
1390 #define E1000_SERDES_LB_ON 0x410
1391 ew32(SCTL, E1000_SERDES_LB_ON);
1397 /* only call this for fiber/serdes connections to es2lan */
1398 static int e1000_set_es2lan_mac_loopback(struct e1000_adapter *adapter)
1400 struct e1000_hw *hw = &adapter->hw;
1401 u32 ctrlext = er32(CTRL_EXT);
1402 u32 ctrl = er32(CTRL);
1405 * save CTRL_EXT to restore later, reuse an empty variable (unused
1406 * on mac_type 80003es2lan)
1408 adapter->tx_fifo_head = ctrlext;
1410 /* clear the serdes mode bits, putting the device into mac loopback */
1411 ctrlext &= ~E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES;
1412 ew32(CTRL_EXT, ctrlext);
1414 /* force speed to 1000/FD, link up */
1415 ctrl &= ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100);
1416 ctrl |= (E1000_CTRL_SLU | E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX |
1417 E1000_CTRL_SPD_1000 | E1000_CTRL_FD);
1420 /* set mac loopback */
1422 ctrl |= E1000_RCTL_LBM_MAC;
1425 /* set testing mode parameters (no need to reset later) */
1426 #define KMRNCTRLSTA_OPMODE (0x1F << 16)
1427 #define KMRNCTRLSTA_OPMODE_1GB_FD_GMII 0x0582
1429 (KMRNCTRLSTA_OPMODE | KMRNCTRLSTA_OPMODE_1GB_FD_GMII));
1434 static int e1000_setup_loopback_test(struct e1000_adapter *adapter)
1436 struct e1000_hw *hw = &adapter->hw;
1439 if (hw->phy.media_type == e1000_media_type_fiber ||
1440 hw->phy.media_type == e1000_media_type_internal_serdes) {
1441 switch (hw->mac.type) {
1442 case e1000_80003es2lan:
1443 return e1000_set_es2lan_mac_loopback(adapter);
1447 return e1000_set_82571_fiber_loopback(adapter);
1451 rctl |= E1000_RCTL_LBM_TCVR;
1455 } else if (hw->phy.media_type == e1000_media_type_copper) {
1456 return e1000_integrated_phy_loopback(adapter);
1462 static void e1000_loopback_cleanup(struct e1000_adapter *adapter)
1464 struct e1000_hw *hw = &adapter->hw;
1469 rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
1472 switch (hw->mac.type) {
1473 case e1000_80003es2lan:
1474 if (hw->phy.media_type == e1000_media_type_fiber ||
1475 hw->phy.media_type == e1000_media_type_internal_serdes) {
1476 /* restore CTRL_EXT, stealing space from tx_fifo_head */
1477 ew32(CTRL_EXT, adapter->tx_fifo_head);
1478 adapter->tx_fifo_head = 0;
1483 if (hw->phy.media_type == e1000_media_type_fiber ||
1484 hw->phy.media_type == e1000_media_type_internal_serdes) {
1485 #define E1000_SERDES_LB_OFF 0x400
1486 ew32(SCTL, E1000_SERDES_LB_OFF);
1492 hw->mac.autoneg = 1;
1493 if (hw->phy.type == e1000_phy_gg82563)
1494 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x180);
1495 e1e_rphy(hw, PHY_CONTROL, &phy_reg);
1496 if (phy_reg & MII_CR_LOOPBACK) {
1497 phy_reg &= ~MII_CR_LOOPBACK;
1498 e1e_wphy(hw, PHY_CONTROL, phy_reg);
1499 e1000e_commit_phy(hw);
1505 static void e1000_create_lbtest_frame(struct sk_buff *skb,
1506 unsigned int frame_size)
1508 memset(skb->data, 0xFF, frame_size);
1510 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1511 memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
1512 memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
1515 static int e1000_check_lbtest_frame(struct sk_buff *skb,
1516 unsigned int frame_size)
1519 if (*(skb->data + 3) == 0xFF)
1520 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
1521 (*(skb->data + frame_size / 2 + 12) == 0xAF))
1526 static int e1000_run_loopback_test(struct e1000_adapter *adapter)
1528 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1529 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1530 struct pci_dev *pdev = adapter->pdev;
1531 struct e1000_hw *hw = &adapter->hw;
1538 ew32(RDT, rx_ring->count - 1);
1541 * Calculate the loop count based on the largest descriptor ring
1542 * The idea is to wrap the largest ring a number of times using 64
1543 * send/receive pairs during each loop
1546 if (rx_ring->count <= tx_ring->count)
1547 lc = ((tx_ring->count / 64) * 2) + 1;
1549 lc = ((rx_ring->count / 64) * 2) + 1;
1553 for (j = 0; j <= lc; j++) { /* loop count loop */
1554 for (i = 0; i < 64; i++) { /* send the packets */
1555 e1000_create_lbtest_frame(tx_ring->buffer_info[k].skb,
1557 pci_dma_sync_single_for_device(pdev,
1558 tx_ring->buffer_info[k].dma,
1559 tx_ring->buffer_info[k].length,
1562 if (k == tx_ring->count)
1567 time = jiffies; /* set the start time for the receive */
1569 do { /* receive the sent packets */
1570 pci_dma_sync_single_for_cpu(pdev,
1571 rx_ring->buffer_info[l].dma, 2048,
1572 PCI_DMA_FROMDEVICE);
1574 ret_val = e1000_check_lbtest_frame(
1575 rx_ring->buffer_info[l].skb, 1024);
1579 if (l == rx_ring->count)
1582 * time + 20 msecs (200 msecs on 2.4) is more than
1583 * enough time to complete the receives, if it's
1584 * exceeded, break and error off
1586 } while ((good_cnt < 64) && !time_after(jiffies, time + 20));
1587 if (good_cnt != 64) {
1588 ret_val = 13; /* ret_val is the same as mis-compare */
1591 if (jiffies >= (time + 20)) {
1592 ret_val = 14; /* error code for time out error */
1595 } /* end loop count loop */
1599 static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data)
1602 * PHY loopback cannot be performed if SoL/IDER
1603 * sessions are active
1605 if (e1000_check_reset_block(&adapter->hw)) {
1606 e_err("Cannot do PHY loopback test when SoL/IDER is active.\n");
1611 *data = e1000_setup_desc_rings(adapter);
1615 *data = e1000_setup_loopback_test(adapter);
1619 *data = e1000_run_loopback_test(adapter);
1620 e1000_loopback_cleanup(adapter);
1623 e1000_free_desc_rings(adapter);
1628 static int e1000_link_test(struct e1000_adapter *adapter, u64 *data)
1630 struct e1000_hw *hw = &adapter->hw;
1633 if (hw->phy.media_type == e1000_media_type_internal_serdes) {
1635 hw->mac.serdes_has_link = false;
1638 * On some blade server designs, link establishment
1639 * could take as long as 2-3 minutes
1642 hw->mac.ops.check_for_link(hw);
1643 if (hw->mac.serdes_has_link)
1646 } while (i++ < 3750);
1650 hw->mac.ops.check_for_link(hw);
1651 if (hw->mac.autoneg)
1654 if (!(er32(STATUS) &
1661 static int e1000e_get_sset_count(struct net_device *netdev, int sset)
1665 return E1000_TEST_LEN;
1667 return E1000_STATS_LEN;
1673 static void e1000_diag_test(struct net_device *netdev,
1674 struct ethtool_test *eth_test, u64 *data)
1676 struct e1000_adapter *adapter = netdev_priv(netdev);
1677 u16 autoneg_advertised;
1678 u8 forced_speed_duplex;
1680 bool if_running = netif_running(netdev);
1682 set_bit(__E1000_TESTING, &adapter->state);
1683 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1686 /* save speed, duplex, autoneg settings */
1687 autoneg_advertised = adapter->hw.phy.autoneg_advertised;
1688 forced_speed_duplex = adapter->hw.mac.forced_speed_duplex;
1689 autoneg = adapter->hw.mac.autoneg;
1691 e_info("offline testing starting\n");
1694 * Link test performed before hardware reset so autoneg doesn't
1695 * interfere with test result
1697 if (e1000_link_test(adapter, &data[4]))
1698 eth_test->flags |= ETH_TEST_FL_FAILED;
1701 /* indicate we're in test mode */
1704 e1000e_reset(adapter);
1706 if (e1000_reg_test(adapter, &data[0]))
1707 eth_test->flags |= ETH_TEST_FL_FAILED;
1709 e1000e_reset(adapter);
1710 if (e1000_eeprom_test(adapter, &data[1]))
1711 eth_test->flags |= ETH_TEST_FL_FAILED;
1713 e1000e_reset(adapter);
1714 if (e1000_intr_test(adapter, &data[2]))
1715 eth_test->flags |= ETH_TEST_FL_FAILED;
1717 e1000e_reset(adapter);
1718 /* make sure the phy is powered up */
1719 e1000e_power_up_phy(adapter);
1720 if (e1000_loopback_test(adapter, &data[3]))
1721 eth_test->flags |= ETH_TEST_FL_FAILED;
1723 /* restore speed, duplex, autoneg settings */
1724 adapter->hw.phy.autoneg_advertised = autoneg_advertised;
1725 adapter->hw.mac.forced_speed_duplex = forced_speed_duplex;
1726 adapter->hw.mac.autoneg = autoneg;
1728 /* force this routine to wait until autoneg complete/timeout */
1729 adapter->hw.phy.autoneg_wait_to_complete = 1;
1730 e1000e_reset(adapter);
1731 adapter->hw.phy.autoneg_wait_to_complete = 0;
1733 clear_bit(__E1000_TESTING, &adapter->state);
1737 e_info("online testing starting\n");
1739 if (e1000_link_test(adapter, &data[4]))
1740 eth_test->flags |= ETH_TEST_FL_FAILED;
1742 /* Online tests aren't run; pass by default */
1748 clear_bit(__E1000_TESTING, &adapter->state);
1750 msleep_interruptible(4 * 1000);
1753 static void e1000_get_wol(struct net_device *netdev,
1754 struct ethtool_wolinfo *wol)
1756 struct e1000_adapter *adapter = netdev_priv(netdev);
1761 if (!(adapter->flags & FLAG_HAS_WOL) ||
1762 !device_can_wakeup(&adapter->pdev->dev))
1765 wol->supported = WAKE_UCAST | WAKE_MCAST |
1766 WAKE_BCAST | WAKE_MAGIC |
1767 WAKE_PHY | WAKE_ARP;
1769 /* apply any specific unsupported masks here */
1770 if (adapter->flags & FLAG_NO_WAKE_UCAST) {
1771 wol->supported &= ~WAKE_UCAST;
1773 if (adapter->wol & E1000_WUFC_EX)
1774 e_err("Interface does not support directed (unicast) "
1775 "frame wake-up packets\n");
1778 if (adapter->wol & E1000_WUFC_EX)
1779 wol->wolopts |= WAKE_UCAST;
1780 if (adapter->wol & E1000_WUFC_MC)
1781 wol->wolopts |= WAKE_MCAST;
1782 if (adapter->wol & E1000_WUFC_BC)
1783 wol->wolopts |= WAKE_BCAST;
1784 if (adapter->wol & E1000_WUFC_MAG)
1785 wol->wolopts |= WAKE_MAGIC;
1786 if (adapter->wol & E1000_WUFC_LNKC)
1787 wol->wolopts |= WAKE_PHY;
1788 if (adapter->wol & E1000_WUFC_ARP)
1789 wol->wolopts |= WAKE_ARP;
1792 static int e1000_set_wol(struct net_device *netdev,
1793 struct ethtool_wolinfo *wol)
1795 struct e1000_adapter *adapter = netdev_priv(netdev);
1797 if (!(adapter->flags & FLAG_HAS_WOL) ||
1798 !device_can_wakeup(&adapter->pdev->dev) ||
1799 (wol->wolopts & ~(WAKE_UCAST | WAKE_MCAST | WAKE_BCAST |
1800 WAKE_MAGIC | WAKE_PHY | WAKE_ARP)))
1803 /* these settings will always override what we currently have */
1806 if (wol->wolopts & WAKE_UCAST)
1807 adapter->wol |= E1000_WUFC_EX;
1808 if (wol->wolopts & WAKE_MCAST)
1809 adapter->wol |= E1000_WUFC_MC;
1810 if (wol->wolopts & WAKE_BCAST)
1811 adapter->wol |= E1000_WUFC_BC;
1812 if (wol->wolopts & WAKE_MAGIC)
1813 adapter->wol |= E1000_WUFC_MAG;
1814 if (wol->wolopts & WAKE_PHY)
1815 adapter->wol |= E1000_WUFC_LNKC;
1816 if (wol->wolopts & WAKE_ARP)
1817 adapter->wol |= E1000_WUFC_ARP;
1819 device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
1824 /* toggle LED 4 times per second = 2 "blinks" per second */
1825 #define E1000_ID_INTERVAL (HZ/4)
1827 /* bit defines for adapter->led_status */
1828 #define E1000_LED_ON 0
1830 static void e1000e_led_blink_task(struct work_struct *work)
1832 struct e1000_adapter *adapter = container_of(work,
1833 struct e1000_adapter, led_blink_task);
1835 if (test_and_change_bit(E1000_LED_ON, &adapter->led_status))
1836 adapter->hw.mac.ops.led_off(&adapter->hw);
1838 adapter->hw.mac.ops.led_on(&adapter->hw);
1841 static void e1000_led_blink_callback(unsigned long data)
1843 struct e1000_adapter *adapter = (struct e1000_adapter *) data;
1845 schedule_work(&adapter->led_blink_task);
1846 mod_timer(&adapter->blink_timer, jiffies + E1000_ID_INTERVAL);
1849 static int e1000_phys_id(struct net_device *netdev, u32 data)
1851 struct e1000_adapter *adapter = netdev_priv(netdev);
1852 struct e1000_hw *hw = &adapter->hw;
1857 if ((hw->phy.type == e1000_phy_ife) ||
1858 (hw->mac.type == e1000_pchlan) ||
1859 (hw->mac.type == e1000_82583) ||
1860 (hw->mac.type == e1000_82574)) {
1861 INIT_WORK(&adapter->led_blink_task, e1000e_led_blink_task);
1862 if (!adapter->blink_timer.function) {
1863 init_timer(&adapter->blink_timer);
1864 adapter->blink_timer.function =
1865 e1000_led_blink_callback;
1866 adapter->blink_timer.data = (unsigned long) adapter;
1868 mod_timer(&adapter->blink_timer, jiffies);
1869 msleep_interruptible(data * 1000);
1870 del_timer_sync(&adapter->blink_timer);
1871 if (hw->phy.type == e1000_phy_ife)
1872 e1e_wphy(hw, IFE_PHY_SPECIAL_CONTROL_LED, 0);
1874 e1000e_blink_led(hw);
1875 msleep_interruptible(data * 1000);
1878 hw->mac.ops.led_off(hw);
1879 clear_bit(E1000_LED_ON, &adapter->led_status);
1880 hw->mac.ops.cleanup_led(hw);
1885 static int e1000_get_coalesce(struct net_device *netdev,
1886 struct ethtool_coalesce *ec)
1888 struct e1000_adapter *adapter = netdev_priv(netdev);
1890 if (adapter->itr_setting <= 3)
1891 ec->rx_coalesce_usecs = adapter->itr_setting;
1893 ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting;
1898 static int e1000_set_coalesce(struct net_device *netdev,
1899 struct ethtool_coalesce *ec)
1901 struct e1000_adapter *adapter = netdev_priv(netdev);
1902 struct e1000_hw *hw = &adapter->hw;
1904 if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) ||
1905 ((ec->rx_coalesce_usecs > 3) &&
1906 (ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) ||
1907 (ec->rx_coalesce_usecs == 2))
1910 if (ec->rx_coalesce_usecs <= 3) {
1911 adapter->itr = 20000;
1912 adapter->itr_setting = ec->rx_coalesce_usecs;
1914 adapter->itr = (1000000 / ec->rx_coalesce_usecs);
1915 adapter->itr_setting = adapter->itr & ~3;
1918 if (adapter->itr_setting != 0)
1919 ew32(ITR, 1000000000 / (adapter->itr * 256));
1926 static int e1000_nway_reset(struct net_device *netdev)
1928 struct e1000_adapter *adapter = netdev_priv(netdev);
1929 if (netif_running(netdev))
1930 e1000e_reinit_locked(adapter);
1934 static void e1000_get_ethtool_stats(struct net_device *netdev,
1935 struct ethtool_stats *stats,
1938 struct e1000_adapter *adapter = netdev_priv(netdev);
1942 e1000e_update_stats(adapter);
1943 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1944 switch (e1000_gstrings_stats[i].type) {
1946 p = (char *) netdev +
1947 e1000_gstrings_stats[i].stat_offset;
1950 p = (char *) adapter +
1951 e1000_gstrings_stats[i].stat_offset;
1955 data[i] = (e1000_gstrings_stats[i].sizeof_stat ==
1956 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1960 static void e1000_get_strings(struct net_device *netdev, u32 stringset,
1966 switch (stringset) {
1968 memcpy(data, *e1000_gstrings_test, sizeof(e1000_gstrings_test));
1971 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1972 memcpy(p, e1000_gstrings_stats[i].stat_string,
1974 p += ETH_GSTRING_LEN;
1980 static const struct ethtool_ops e1000_ethtool_ops = {
1981 .get_settings = e1000_get_settings,
1982 .set_settings = e1000_set_settings,
1983 .get_drvinfo = e1000_get_drvinfo,
1984 .get_regs_len = e1000_get_regs_len,
1985 .get_regs = e1000_get_regs,
1986 .get_wol = e1000_get_wol,
1987 .set_wol = e1000_set_wol,
1988 .get_msglevel = e1000_get_msglevel,
1989 .set_msglevel = e1000_set_msglevel,
1990 .nway_reset = e1000_nway_reset,
1991 .get_link = e1000_get_link,
1992 .get_eeprom_len = e1000_get_eeprom_len,
1993 .get_eeprom = e1000_get_eeprom,
1994 .set_eeprom = e1000_set_eeprom,
1995 .get_ringparam = e1000_get_ringparam,
1996 .set_ringparam = e1000_set_ringparam,
1997 .get_pauseparam = e1000_get_pauseparam,
1998 .set_pauseparam = e1000_set_pauseparam,
1999 .get_rx_csum = e1000_get_rx_csum,
2000 .set_rx_csum = e1000_set_rx_csum,
2001 .get_tx_csum = e1000_get_tx_csum,
2002 .set_tx_csum = e1000_set_tx_csum,
2003 .get_sg = ethtool_op_get_sg,
2004 .set_sg = ethtool_op_set_sg,
2005 .get_tso = ethtool_op_get_tso,
2006 .set_tso = e1000_set_tso,
2007 .self_test = e1000_diag_test,
2008 .get_strings = e1000_get_strings,
2009 .phys_id = e1000_phys_id,
2010 .get_ethtool_stats = e1000_get_ethtool_stats,
2011 .get_sset_count = e1000e_get_sset_count,
2012 .get_coalesce = e1000_get_coalesce,
2013 .set_coalesce = e1000_set_coalesce,
2014 .get_flags = ethtool_op_get_flags,
2015 .set_flags = ethtool_op_set_flags,
2018 void e1000e_set_ethtool_ops(struct net_device *netdev)
2020 SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops);