1 /*******************************************************************************
3 Intel PRO/1000 Linux driver
4 Copyright(c) 1999 - 2011 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/slab.h>
35 #include <linux/delay.h>
39 enum {NETDEV_STATS, E1000_STATS};
42 char stat_string[ETH_GSTRING_LEN];
48 #define E1000_STAT(str, m) { \
50 .type = E1000_STATS, \
51 .sizeof_stat = sizeof(((struct e1000_adapter *)0)->m), \
52 .stat_offset = offsetof(struct e1000_adapter, m) }
53 #define E1000_NETDEV_STAT(str, m) { \
55 .type = NETDEV_STATS, \
56 .sizeof_stat = sizeof(((struct rtnl_link_stats64 *)0)->m), \
57 .stat_offset = offsetof(struct rtnl_link_stats64, m) }
59 static const struct e1000_stats e1000_gstrings_stats[] = {
60 E1000_STAT("rx_packets", stats.gprc),
61 E1000_STAT("tx_packets", stats.gptc),
62 E1000_STAT("rx_bytes", stats.gorc),
63 E1000_STAT("tx_bytes", stats.gotc),
64 E1000_STAT("rx_broadcast", stats.bprc),
65 E1000_STAT("tx_broadcast", stats.bptc),
66 E1000_STAT("rx_multicast", stats.mprc),
67 E1000_STAT("tx_multicast", stats.mptc),
68 E1000_NETDEV_STAT("rx_errors", rx_errors),
69 E1000_NETDEV_STAT("tx_errors", tx_errors),
70 E1000_NETDEV_STAT("tx_dropped", tx_dropped),
71 E1000_STAT("multicast", stats.mprc),
72 E1000_STAT("collisions", stats.colc),
73 E1000_NETDEV_STAT("rx_length_errors", rx_length_errors),
74 E1000_NETDEV_STAT("rx_over_errors", rx_over_errors),
75 E1000_STAT("rx_crc_errors", stats.crcerrs),
76 E1000_NETDEV_STAT("rx_frame_errors", rx_frame_errors),
77 E1000_STAT("rx_no_buffer_count", stats.rnbc),
78 E1000_STAT("rx_missed_errors", stats.mpc),
79 E1000_STAT("tx_aborted_errors", stats.ecol),
80 E1000_STAT("tx_carrier_errors", stats.tncrs),
81 E1000_NETDEV_STAT("tx_fifo_errors", tx_fifo_errors),
82 E1000_NETDEV_STAT("tx_heartbeat_errors", tx_heartbeat_errors),
83 E1000_STAT("tx_window_errors", stats.latecol),
84 E1000_STAT("tx_abort_late_coll", stats.latecol),
85 E1000_STAT("tx_deferred_ok", stats.dc),
86 E1000_STAT("tx_single_coll_ok", stats.scc),
87 E1000_STAT("tx_multi_coll_ok", stats.mcc),
88 E1000_STAT("tx_timeout_count", tx_timeout_count),
89 E1000_STAT("tx_restart_queue", restart_queue),
90 E1000_STAT("rx_long_length_errors", stats.roc),
91 E1000_STAT("rx_short_length_errors", stats.ruc),
92 E1000_STAT("rx_align_errors", stats.algnerrc),
93 E1000_STAT("tx_tcp_seg_good", stats.tsctc),
94 E1000_STAT("tx_tcp_seg_failed", stats.tsctfc),
95 E1000_STAT("rx_flow_control_xon", stats.xonrxc),
96 E1000_STAT("rx_flow_control_xoff", stats.xoffrxc),
97 E1000_STAT("tx_flow_control_xon", stats.xontxc),
98 E1000_STAT("tx_flow_control_xoff", stats.xofftxc),
99 E1000_STAT("rx_long_byte_count", stats.gorc),
100 E1000_STAT("rx_csum_offload_good", hw_csum_good),
101 E1000_STAT("rx_csum_offload_errors", hw_csum_err),
102 E1000_STAT("rx_header_split", rx_hdr_split),
103 E1000_STAT("alloc_rx_buff_failed", alloc_rx_buff_failed),
104 E1000_STAT("tx_smbus", stats.mgptc),
105 E1000_STAT("rx_smbus", stats.mgprc),
106 E1000_STAT("dropped_smbus", stats.mgpdc),
107 E1000_STAT("rx_dma_failed", rx_dma_failed),
108 E1000_STAT("tx_dma_failed", tx_dma_failed),
111 #define E1000_GLOBAL_STATS_LEN ARRAY_SIZE(e1000_gstrings_stats)
112 #define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN)
113 static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = {
114 "Register test (offline)", "Eeprom test (offline)",
115 "Interrupt test (offline)", "Loopback test (offline)",
116 "Link test (on/offline)"
118 #define E1000_TEST_LEN ARRAY_SIZE(e1000_gstrings_test)
120 static int e1000_get_settings(struct net_device *netdev,
121 struct ethtool_cmd *ecmd)
123 struct e1000_adapter *adapter = netdev_priv(netdev);
124 struct e1000_hw *hw = &adapter->hw;
126 if (hw->phy.media_type == e1000_media_type_copper) {
128 ecmd->supported = (SUPPORTED_10baseT_Half |
129 SUPPORTED_10baseT_Full |
130 SUPPORTED_100baseT_Half |
131 SUPPORTED_100baseT_Full |
132 SUPPORTED_1000baseT_Full |
135 if (hw->phy.type == e1000_phy_ife)
136 ecmd->supported &= ~SUPPORTED_1000baseT_Full;
137 ecmd->advertising = ADVERTISED_TP;
139 if (hw->mac.autoneg == 1) {
140 ecmd->advertising |= ADVERTISED_Autoneg;
141 /* the e1000 autoneg seems to match ethtool nicely */
142 ecmd->advertising |= hw->phy.autoneg_advertised;
145 ecmd->port = PORT_TP;
146 ecmd->phy_address = hw->phy.addr;
147 ecmd->transceiver = XCVR_INTERNAL;
150 ecmd->supported = (SUPPORTED_1000baseT_Full |
154 ecmd->advertising = (ADVERTISED_1000baseT_Full |
158 ecmd->port = PORT_FIBRE;
159 ecmd->transceiver = XCVR_EXTERNAL;
165 if (netif_running(netdev)) {
166 if (netif_carrier_ok(netdev)) {
167 ecmd->speed = adapter->link_speed;
168 ecmd->duplex = adapter->link_duplex - 1;
171 u32 status = er32(STATUS);
172 if (status & E1000_STATUS_LU) {
173 if (status & E1000_STATUS_SPEED_1000)
175 else if (status & E1000_STATUS_SPEED_100)
180 if (status & E1000_STATUS_FD)
181 ecmd->duplex = DUPLEX_FULL;
183 ecmd->duplex = DUPLEX_HALF;
187 ecmd->autoneg = ((hw->phy.media_type == e1000_media_type_fiber) ||
188 hw->mac.autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE;
190 /* MDI-X => 2; MDI =>1; Invalid =>0 */
191 if ((hw->phy.media_type == e1000_media_type_copper) &&
192 netif_carrier_ok(netdev))
193 ecmd->eth_tp_mdix = hw->phy.is_mdix ? ETH_TP_MDI_X :
196 ecmd->eth_tp_mdix = ETH_TP_MDI_INVALID;
201 static int e1000_set_spd_dplx(struct e1000_adapter *adapter, u16 spddplx)
203 struct e1000_mac_info *mac = &adapter->hw.mac;
207 /* Fiber NICs only allow 1000 gbps Full duplex */
208 if ((adapter->hw.phy.media_type == e1000_media_type_fiber) &&
209 spddplx != (SPEED_1000 + DUPLEX_FULL)) {
210 e_err("Unsupported Speed/Duplex configuration\n");
215 case SPEED_10 + DUPLEX_HALF:
216 mac->forced_speed_duplex = ADVERTISE_10_HALF;
218 case SPEED_10 + DUPLEX_FULL:
219 mac->forced_speed_duplex = ADVERTISE_10_FULL;
221 case SPEED_100 + DUPLEX_HALF:
222 mac->forced_speed_duplex = ADVERTISE_100_HALF;
224 case SPEED_100 + DUPLEX_FULL:
225 mac->forced_speed_duplex = ADVERTISE_100_FULL;
227 case SPEED_1000 + DUPLEX_FULL:
229 adapter->hw.phy.autoneg_advertised = ADVERTISE_1000_FULL;
231 case SPEED_1000 + DUPLEX_HALF: /* not supported */
233 e_err("Unsupported Speed/Duplex configuration\n");
239 static int e1000_set_settings(struct net_device *netdev,
240 struct ethtool_cmd *ecmd)
242 struct e1000_adapter *adapter = netdev_priv(netdev);
243 struct e1000_hw *hw = &adapter->hw;
246 * When SoL/IDER sessions are active, autoneg/speed/duplex
249 if (e1000_check_reset_block(hw)) {
250 e_err("Cannot change link characteristics when SoL/IDER is "
255 while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
258 if (ecmd->autoneg == AUTONEG_ENABLE) {
260 if (hw->phy.media_type == e1000_media_type_fiber)
261 hw->phy.autoneg_advertised = ADVERTISED_1000baseT_Full |
265 hw->phy.autoneg_advertised = ecmd->advertising |
268 ecmd->advertising = hw->phy.autoneg_advertised;
269 if (adapter->fc_autoneg)
270 hw->fc.requested_mode = e1000_fc_default;
272 if (e1000_set_spd_dplx(adapter, ecmd->speed + ecmd->duplex)) {
273 clear_bit(__E1000_RESETTING, &adapter->state);
280 if (netif_running(adapter->netdev)) {
281 e1000e_down(adapter);
284 e1000e_reset(adapter);
287 clear_bit(__E1000_RESETTING, &adapter->state);
291 static void e1000_get_pauseparam(struct net_device *netdev,
292 struct ethtool_pauseparam *pause)
294 struct e1000_adapter *adapter = netdev_priv(netdev);
295 struct e1000_hw *hw = &adapter->hw;
298 (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE);
300 if (hw->fc.current_mode == e1000_fc_rx_pause) {
302 } else if (hw->fc.current_mode == e1000_fc_tx_pause) {
304 } else if (hw->fc.current_mode == e1000_fc_full) {
310 static int e1000_set_pauseparam(struct net_device *netdev,
311 struct ethtool_pauseparam *pause)
313 struct e1000_adapter *adapter = netdev_priv(netdev);
314 struct e1000_hw *hw = &adapter->hw;
317 adapter->fc_autoneg = pause->autoneg;
319 while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
322 if (adapter->fc_autoneg == AUTONEG_ENABLE) {
323 hw->fc.requested_mode = e1000_fc_default;
324 if (netif_running(adapter->netdev)) {
325 e1000e_down(adapter);
328 e1000e_reset(adapter);
331 if (pause->rx_pause && pause->tx_pause)
332 hw->fc.requested_mode = e1000_fc_full;
333 else if (pause->rx_pause && !pause->tx_pause)
334 hw->fc.requested_mode = e1000_fc_rx_pause;
335 else if (!pause->rx_pause && pause->tx_pause)
336 hw->fc.requested_mode = e1000_fc_tx_pause;
337 else if (!pause->rx_pause && !pause->tx_pause)
338 hw->fc.requested_mode = e1000_fc_none;
340 hw->fc.current_mode = hw->fc.requested_mode;
342 if (hw->phy.media_type == e1000_media_type_fiber) {
343 retval = hw->mac.ops.setup_link(hw);
344 /* implicit goto out */
346 retval = e1000e_force_mac_fc(hw);
349 e1000e_set_fc_watermarks(hw);
354 clear_bit(__E1000_RESETTING, &adapter->state);
358 static u32 e1000_get_rx_csum(struct net_device *netdev)
360 struct e1000_adapter *adapter = netdev_priv(netdev);
361 return adapter->flags & FLAG_RX_CSUM_ENABLED;
364 static int e1000_set_rx_csum(struct net_device *netdev, u32 data)
366 struct e1000_adapter *adapter = netdev_priv(netdev);
369 adapter->flags |= FLAG_RX_CSUM_ENABLED;
371 adapter->flags &= ~FLAG_RX_CSUM_ENABLED;
373 if (netif_running(netdev))
374 e1000e_reinit_locked(adapter);
376 e1000e_reset(adapter);
380 static u32 e1000_get_tx_csum(struct net_device *netdev)
382 return (netdev->features & NETIF_F_HW_CSUM) != 0;
385 static int e1000_set_tx_csum(struct net_device *netdev, u32 data)
388 netdev->features |= NETIF_F_HW_CSUM;
390 netdev->features &= ~NETIF_F_HW_CSUM;
395 static int e1000_set_tso(struct net_device *netdev, u32 data)
397 struct e1000_adapter *adapter = netdev_priv(netdev);
400 netdev->features |= NETIF_F_TSO;
401 netdev->features |= NETIF_F_TSO6;
403 netdev->features &= ~NETIF_F_TSO;
404 netdev->features &= ~NETIF_F_TSO6;
407 adapter->flags |= FLAG_TSO_FORCE;
411 static u32 e1000_get_msglevel(struct net_device *netdev)
413 struct e1000_adapter *adapter = netdev_priv(netdev);
414 return adapter->msg_enable;
417 static void e1000_set_msglevel(struct net_device *netdev, u32 data)
419 struct e1000_adapter *adapter = netdev_priv(netdev);
420 adapter->msg_enable = data;
423 static int e1000_get_regs_len(struct net_device *netdev)
425 #define E1000_REGS_LEN 32 /* overestimate */
426 return E1000_REGS_LEN * sizeof(u32);
429 static void e1000_get_regs(struct net_device *netdev,
430 struct ethtool_regs *regs, void *p)
432 struct e1000_adapter *adapter = netdev_priv(netdev);
433 struct e1000_hw *hw = &adapter->hw;
438 memset(p, 0, E1000_REGS_LEN * sizeof(u32));
440 pci_read_config_byte(adapter->pdev, PCI_REVISION_ID, &revision_id);
442 regs->version = (1 << 24) | (revision_id << 16) | adapter->pdev->device;
444 regs_buff[0] = er32(CTRL);
445 regs_buff[1] = er32(STATUS);
447 regs_buff[2] = er32(RCTL);
448 regs_buff[3] = er32(RDLEN);
449 regs_buff[4] = er32(RDH);
450 regs_buff[5] = er32(RDT);
451 regs_buff[6] = er32(RDTR);
453 regs_buff[7] = er32(TCTL);
454 regs_buff[8] = er32(TDLEN);
455 regs_buff[9] = er32(TDH);
456 regs_buff[10] = er32(TDT);
457 regs_buff[11] = er32(TIDV);
459 regs_buff[12] = adapter->hw.phy.type; /* PHY type (IGP=1, M88=0) */
461 /* ethtool doesn't use anything past this point, so all this
462 * code is likely legacy junk for apps that may or may not
464 if (hw->phy.type == e1000_phy_m88) {
465 e1e_rphy(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
466 regs_buff[13] = (u32)phy_data; /* cable length */
467 regs_buff[14] = 0; /* Dummy (to align w/ IGP phy reg dump) */
468 regs_buff[15] = 0; /* Dummy (to align w/ IGP phy reg dump) */
469 regs_buff[16] = 0; /* Dummy (to align w/ IGP phy reg dump) */
470 e1e_rphy(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
471 regs_buff[17] = (u32)phy_data; /* extended 10bt distance */
472 regs_buff[18] = regs_buff[13]; /* cable polarity */
473 regs_buff[19] = 0; /* Dummy (to align w/ IGP phy reg dump) */
474 regs_buff[20] = regs_buff[17]; /* polarity correction */
475 /* phy receive errors */
476 regs_buff[22] = adapter->phy_stats.receive_errors;
477 regs_buff[23] = regs_buff[13]; /* mdix mode */
479 regs_buff[21] = 0; /* was idle_errors */
480 e1e_rphy(hw, PHY_1000T_STATUS, &phy_data);
481 regs_buff[24] = (u32)phy_data; /* phy local receiver status */
482 regs_buff[25] = regs_buff[24]; /* phy remote receiver status */
485 static int e1000_get_eeprom_len(struct net_device *netdev)
487 struct e1000_adapter *adapter = netdev_priv(netdev);
488 return adapter->hw.nvm.word_size * 2;
491 static int e1000_get_eeprom(struct net_device *netdev,
492 struct ethtool_eeprom *eeprom, u8 *bytes)
494 struct e1000_adapter *adapter = netdev_priv(netdev);
495 struct e1000_hw *hw = &adapter->hw;
502 if (eeprom->len == 0)
505 eeprom->magic = adapter->pdev->vendor | (adapter->pdev->device << 16);
507 first_word = eeprom->offset >> 1;
508 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
510 eeprom_buff = kmalloc(sizeof(u16) *
511 (last_word - first_word + 1), GFP_KERNEL);
515 if (hw->nvm.type == e1000_nvm_eeprom_spi) {
516 ret_val = e1000_read_nvm(hw, first_word,
517 last_word - first_word + 1,
520 for (i = 0; i < last_word - first_word + 1; i++) {
521 ret_val = e1000_read_nvm(hw, first_word + i, 1,
529 /* a read error occurred, throw away the result */
530 memset(eeprom_buff, 0xff, sizeof(u16) *
531 (last_word - first_word + 1));
533 /* Device's eeprom is always little-endian, word addressable */
534 for (i = 0; i < last_word - first_word + 1; i++)
535 le16_to_cpus(&eeprom_buff[i]);
538 memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
544 static int e1000_set_eeprom(struct net_device *netdev,
545 struct ethtool_eeprom *eeprom, u8 *bytes)
547 struct e1000_adapter *adapter = netdev_priv(netdev);
548 struct e1000_hw *hw = &adapter->hw;
557 if (eeprom->len == 0)
560 if (eeprom->magic != (adapter->pdev->vendor | (adapter->pdev->device << 16)))
563 if (adapter->flags & FLAG_READ_ONLY_NVM)
566 max_len = hw->nvm.word_size * 2;
568 first_word = eeprom->offset >> 1;
569 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
570 eeprom_buff = kmalloc(max_len, GFP_KERNEL);
574 ptr = (void *)eeprom_buff;
576 if (eeprom->offset & 1) {
577 /* need read/modify/write of first changed EEPROM word */
578 /* only the second byte of the word is being modified */
579 ret_val = e1000_read_nvm(hw, first_word, 1, &eeprom_buff[0]);
582 if (((eeprom->offset + eeprom->len) & 1) && (ret_val == 0))
583 /* need read/modify/write of last changed EEPROM word */
584 /* only the first byte of the word is being modified */
585 ret_val = e1000_read_nvm(hw, last_word, 1,
586 &eeprom_buff[last_word - first_word]);
591 /* Device's eeprom is always little-endian, word addressable */
592 for (i = 0; i < last_word - first_word + 1; i++)
593 le16_to_cpus(&eeprom_buff[i]);
595 memcpy(ptr, bytes, eeprom->len);
597 for (i = 0; i < last_word - first_word + 1; i++)
598 eeprom_buff[i] = cpu_to_le16(eeprom_buff[i]);
600 ret_val = e1000_write_nvm(hw, first_word,
601 last_word - first_word + 1, eeprom_buff);
607 * Update the checksum over the first part of the EEPROM if needed
608 * and flush shadow RAM for applicable controllers
610 if ((first_word <= NVM_CHECKSUM_REG) ||
611 (hw->mac.type == e1000_82583) ||
612 (hw->mac.type == e1000_82574) ||
613 (hw->mac.type == e1000_82573))
614 ret_val = e1000e_update_nvm_checksum(hw);
621 static void e1000_get_drvinfo(struct net_device *netdev,
622 struct ethtool_drvinfo *drvinfo)
624 struct e1000_adapter *adapter = netdev_priv(netdev);
625 char firmware_version[32];
627 strncpy(drvinfo->driver, e1000e_driver_name,
628 sizeof(drvinfo->driver) - 1);
629 strncpy(drvinfo->version, e1000e_driver_version,
630 sizeof(drvinfo->version) - 1);
633 * EEPROM image version # is reported as firmware version # for
636 snprintf(firmware_version, sizeof(firmware_version), "%d.%d-%d",
637 (adapter->eeprom_vers & 0xF000) >> 12,
638 (adapter->eeprom_vers & 0x0FF0) >> 4,
639 (adapter->eeprom_vers & 0x000F));
641 strncpy(drvinfo->fw_version, firmware_version,
642 sizeof(drvinfo->fw_version) - 1);
643 strncpy(drvinfo->bus_info, pci_name(adapter->pdev),
644 sizeof(drvinfo->bus_info) - 1);
645 drvinfo->regdump_len = e1000_get_regs_len(netdev);
646 drvinfo->eedump_len = e1000_get_eeprom_len(netdev);
649 static void e1000_get_ringparam(struct net_device *netdev,
650 struct ethtool_ringparam *ring)
652 struct e1000_adapter *adapter = netdev_priv(netdev);
653 struct e1000_ring *tx_ring = adapter->tx_ring;
654 struct e1000_ring *rx_ring = adapter->rx_ring;
656 ring->rx_max_pending = E1000_MAX_RXD;
657 ring->tx_max_pending = E1000_MAX_TXD;
658 ring->rx_mini_max_pending = 0;
659 ring->rx_jumbo_max_pending = 0;
660 ring->rx_pending = rx_ring->count;
661 ring->tx_pending = tx_ring->count;
662 ring->rx_mini_pending = 0;
663 ring->rx_jumbo_pending = 0;
666 static int e1000_set_ringparam(struct net_device *netdev,
667 struct ethtool_ringparam *ring)
669 struct e1000_adapter *adapter = netdev_priv(netdev);
670 struct e1000_ring *tx_ring, *tx_old;
671 struct e1000_ring *rx_ring, *rx_old;
674 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
677 while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
680 if (netif_running(adapter->netdev))
681 e1000e_down(adapter);
683 tx_old = adapter->tx_ring;
684 rx_old = adapter->rx_ring;
687 tx_ring = kmemdup(tx_old, sizeof(struct e1000_ring), GFP_KERNEL);
691 rx_ring = kmemdup(rx_old, sizeof(struct e1000_ring), GFP_KERNEL);
695 adapter->tx_ring = tx_ring;
696 adapter->rx_ring = rx_ring;
698 rx_ring->count = max(ring->rx_pending, (u32)E1000_MIN_RXD);
699 rx_ring->count = min(rx_ring->count, (u32)(E1000_MAX_RXD));
700 rx_ring->count = ALIGN(rx_ring->count, REQ_RX_DESCRIPTOR_MULTIPLE);
702 tx_ring->count = max(ring->tx_pending, (u32)E1000_MIN_TXD);
703 tx_ring->count = min(tx_ring->count, (u32)(E1000_MAX_TXD));
704 tx_ring->count = ALIGN(tx_ring->count, REQ_TX_DESCRIPTOR_MULTIPLE);
706 if (netif_running(adapter->netdev)) {
707 /* Try to get new resources before deleting old */
708 err = e1000e_setup_rx_resources(adapter);
711 err = e1000e_setup_tx_resources(adapter);
716 * restore the old in order to free it,
717 * then add in the new
719 adapter->rx_ring = rx_old;
720 adapter->tx_ring = tx_old;
721 e1000e_free_rx_resources(adapter);
722 e1000e_free_tx_resources(adapter);
725 adapter->rx_ring = rx_ring;
726 adapter->tx_ring = tx_ring;
727 err = e1000e_up(adapter);
732 clear_bit(__E1000_RESETTING, &adapter->state);
735 e1000e_free_rx_resources(adapter);
737 adapter->rx_ring = rx_old;
738 adapter->tx_ring = tx_old;
745 clear_bit(__E1000_RESETTING, &adapter->state);
749 static bool reg_pattern_test(struct e1000_adapter *adapter, u64 *data,
750 int reg, int offset, u32 mask, u32 write)
753 static const u32 test[] = {
754 0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF};
755 for (pat = 0; pat < ARRAY_SIZE(test); pat++) {
756 E1000_WRITE_REG_ARRAY(&adapter->hw, reg, offset,
757 (test[pat] & write));
758 val = E1000_READ_REG_ARRAY(&adapter->hw, reg, offset);
759 if (val != (test[pat] & write & mask)) {
760 e_err("pattern test reg %04X failed: got 0x%08X "
761 "expected 0x%08X\n", reg + offset, val,
762 (test[pat] & write & mask));
770 static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data,
771 int reg, u32 mask, u32 write)
774 __ew32(&adapter->hw, reg, write & mask);
775 val = __er32(&adapter->hw, reg);
776 if ((write & mask) != (val & mask)) {
777 e_err("set/check reg %04X test failed: got 0x%08X "
778 "expected 0x%08X\n", reg, (val & mask), (write & mask));
784 #define REG_PATTERN_TEST_ARRAY(reg, offset, mask, write) \
786 if (reg_pattern_test(adapter, data, reg, offset, mask, write)) \
789 #define REG_PATTERN_TEST(reg, mask, write) \
790 REG_PATTERN_TEST_ARRAY(reg, 0, mask, write)
792 #define REG_SET_AND_CHECK(reg, mask, write) \
794 if (reg_set_and_check(adapter, data, reg, mask, write)) \
798 static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data)
800 struct e1000_hw *hw = &adapter->hw;
801 struct e1000_mac_info *mac = &adapter->hw.mac;
810 * The status register is Read Only, so a write should fail.
811 * Some bits that get toggled are ignored.
814 /* there are several bits on newer hardware that are r/w */
817 case e1000_80003es2lan:
825 before = er32(STATUS);
826 value = (er32(STATUS) & toggle);
827 ew32(STATUS, toggle);
828 after = er32(STATUS) & toggle;
829 if (value != after) {
830 e_err("failed STATUS register test got: 0x%08X expected: "
831 "0x%08X\n", after, value);
835 /* restore previous status */
836 ew32(STATUS, before);
838 if (!(adapter->flags & FLAG_IS_ICH)) {
839 REG_PATTERN_TEST(E1000_FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
840 REG_PATTERN_TEST(E1000_FCAH, 0x0000FFFF, 0xFFFFFFFF);
841 REG_PATTERN_TEST(E1000_FCT, 0x0000FFFF, 0xFFFFFFFF);
842 REG_PATTERN_TEST(E1000_VET, 0x0000FFFF, 0xFFFFFFFF);
845 REG_PATTERN_TEST(E1000_RDTR, 0x0000FFFF, 0xFFFFFFFF);
846 REG_PATTERN_TEST(E1000_RDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
847 REG_PATTERN_TEST(E1000_RDLEN, 0x000FFF80, 0x000FFFFF);
848 REG_PATTERN_TEST(E1000_RDH, 0x0000FFFF, 0x0000FFFF);
849 REG_PATTERN_TEST(E1000_RDT, 0x0000FFFF, 0x0000FFFF);
850 REG_PATTERN_TEST(E1000_FCRTH, 0x0000FFF8, 0x0000FFF8);
851 REG_PATTERN_TEST(E1000_FCTTV, 0x0000FFFF, 0x0000FFFF);
852 REG_PATTERN_TEST(E1000_TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
853 REG_PATTERN_TEST(E1000_TDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
854 REG_PATTERN_TEST(E1000_TDLEN, 0x000FFF80, 0x000FFFFF);
856 REG_SET_AND_CHECK(E1000_RCTL, 0xFFFFFFFF, 0x00000000);
858 before = ((adapter->flags & FLAG_IS_ICH) ? 0x06C3B33E : 0x06DFB3FE);
859 REG_SET_AND_CHECK(E1000_RCTL, before, 0x003FFFFB);
860 REG_SET_AND_CHECK(E1000_TCTL, 0xFFFFFFFF, 0x00000000);
862 REG_SET_AND_CHECK(E1000_RCTL, before, 0xFFFFFFFF);
863 REG_PATTERN_TEST(E1000_RDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
864 if (!(adapter->flags & FLAG_IS_ICH))
865 REG_PATTERN_TEST(E1000_TXCW, 0xC000FFFF, 0x0000FFFF);
866 REG_PATTERN_TEST(E1000_TDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
867 REG_PATTERN_TEST(E1000_TIDV, 0x0000FFFF, 0x0000FFFF);
878 for (i = 0; i < mac->rar_entry_count; i++)
879 REG_PATTERN_TEST_ARRAY(E1000_RA, ((i << 1) + 1),
882 for (i = 0; i < mac->mta_reg_count; i++)
883 REG_PATTERN_TEST_ARRAY(E1000_MTA, i, 0xFFFFFFFF, 0xFFFFFFFF);
889 static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data)
896 /* Read and add up the contents of the EEPROM */
897 for (i = 0; i < (NVM_CHECKSUM_REG + 1); i++) {
898 if ((e1000_read_nvm(&adapter->hw, i, 1, &temp)) < 0) {
905 /* If Checksum is not Correct return error else test passed */
906 if ((checksum != (u16) NVM_SUM) && !(*data))
912 static irqreturn_t e1000_test_intr(int irq, void *data)
914 struct net_device *netdev = (struct net_device *) data;
915 struct e1000_adapter *adapter = netdev_priv(netdev);
916 struct e1000_hw *hw = &adapter->hw;
918 adapter->test_icr |= er32(ICR);
923 static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data)
925 struct net_device *netdev = adapter->netdev;
926 struct e1000_hw *hw = &adapter->hw;
929 u32 irq = adapter->pdev->irq;
932 int int_mode = E1000E_INT_MODE_LEGACY;
936 /* NOTE: we don't test MSI/MSI-X interrupts here, yet */
937 if (adapter->int_mode == E1000E_INT_MODE_MSIX) {
938 int_mode = adapter->int_mode;
939 e1000e_reset_interrupt_capability(adapter);
940 adapter->int_mode = E1000E_INT_MODE_LEGACY;
941 e1000e_set_interrupt_capability(adapter);
943 /* Hook up test interrupt handler just for this test */
944 if (!request_irq(irq, e1000_test_intr, IRQF_PROBE_SHARED, netdev->name,
947 } else if (request_irq(irq, e1000_test_intr, IRQF_SHARED,
948 netdev->name, netdev)) {
953 e_info("testing %s interrupt\n", (shared_int ? "shared" : "unshared"));
955 /* Disable all the interrupts */
956 ew32(IMC, 0xFFFFFFFF);
959 /* Test each interrupt */
960 for (i = 0; i < 10; i++) {
961 /* Interrupt to test */
964 if (adapter->flags & FLAG_IS_ICH) {
966 case E1000_ICR_RXSEQ:
969 if (adapter->hw.mac.type == e1000_ich8lan ||
970 adapter->hw.mac.type == e1000_ich9lan)
980 * Disable the interrupt to be reported in
981 * the cause register and then force the same
982 * interrupt and see if one gets posted. If
983 * an interrupt was posted to the bus, the
986 adapter->test_icr = 0;
991 if (adapter->test_icr & mask) {
998 * Enable the interrupt to be reported in
999 * the cause register and then force the same
1000 * interrupt and see if one gets posted. If
1001 * an interrupt was not posted to the bus, the
1004 adapter->test_icr = 0;
1009 if (!(adapter->test_icr & mask)) {
1016 * Disable the other interrupts to be reported in
1017 * the cause register and then force the other
1018 * interrupts and see if any get posted. If
1019 * an interrupt was posted to the bus, the
1022 adapter->test_icr = 0;
1023 ew32(IMC, ~mask & 0x00007FFF);
1024 ew32(ICS, ~mask & 0x00007FFF);
1027 if (adapter->test_icr) {
1034 /* Disable all the interrupts */
1035 ew32(IMC, 0xFFFFFFFF);
1038 /* Unhook test interrupt handler */
1039 free_irq(irq, netdev);
1042 if (int_mode == E1000E_INT_MODE_MSIX) {
1043 e1000e_reset_interrupt_capability(adapter);
1044 adapter->int_mode = int_mode;
1045 e1000e_set_interrupt_capability(adapter);
1051 static void e1000_free_desc_rings(struct e1000_adapter *adapter)
1053 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1054 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1055 struct pci_dev *pdev = adapter->pdev;
1058 if (tx_ring->desc && tx_ring->buffer_info) {
1059 for (i = 0; i < tx_ring->count; i++) {
1060 if (tx_ring->buffer_info[i].dma)
1061 dma_unmap_single(&pdev->dev,
1062 tx_ring->buffer_info[i].dma,
1063 tx_ring->buffer_info[i].length,
1065 if (tx_ring->buffer_info[i].skb)
1066 dev_kfree_skb(tx_ring->buffer_info[i].skb);
1070 if (rx_ring->desc && rx_ring->buffer_info) {
1071 for (i = 0; i < rx_ring->count; i++) {
1072 if (rx_ring->buffer_info[i].dma)
1073 dma_unmap_single(&pdev->dev,
1074 rx_ring->buffer_info[i].dma,
1075 2048, DMA_FROM_DEVICE);
1076 if (rx_ring->buffer_info[i].skb)
1077 dev_kfree_skb(rx_ring->buffer_info[i].skb);
1081 if (tx_ring->desc) {
1082 dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc,
1084 tx_ring->desc = NULL;
1086 if (rx_ring->desc) {
1087 dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc,
1089 rx_ring->desc = NULL;
1092 kfree(tx_ring->buffer_info);
1093 tx_ring->buffer_info = NULL;
1094 kfree(rx_ring->buffer_info);
1095 rx_ring->buffer_info = NULL;
1098 static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
1100 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1101 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1102 struct pci_dev *pdev = adapter->pdev;
1103 struct e1000_hw *hw = &adapter->hw;
1108 /* Setup Tx descriptor ring and Tx buffers */
1110 if (!tx_ring->count)
1111 tx_ring->count = E1000_DEFAULT_TXD;
1113 tx_ring->buffer_info = kcalloc(tx_ring->count,
1114 sizeof(struct e1000_buffer),
1116 if (!(tx_ring->buffer_info)) {
1121 tx_ring->size = tx_ring->count * sizeof(struct e1000_tx_desc);
1122 tx_ring->size = ALIGN(tx_ring->size, 4096);
1123 tx_ring->desc = dma_alloc_coherent(&pdev->dev, tx_ring->size,
1124 &tx_ring->dma, GFP_KERNEL);
1125 if (!tx_ring->desc) {
1129 tx_ring->next_to_use = 0;
1130 tx_ring->next_to_clean = 0;
1132 ew32(TDBAL, ((u64) tx_ring->dma & 0x00000000FFFFFFFF));
1133 ew32(TDBAH, ((u64) tx_ring->dma >> 32));
1134 ew32(TDLEN, tx_ring->count * sizeof(struct e1000_tx_desc));
1137 ew32(TCTL, E1000_TCTL_PSP | E1000_TCTL_EN | E1000_TCTL_MULR |
1138 E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
1139 E1000_COLLISION_DISTANCE << E1000_COLD_SHIFT);
1141 for (i = 0; i < tx_ring->count; i++) {
1142 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*tx_ring, i);
1143 struct sk_buff *skb;
1144 unsigned int skb_size = 1024;
1146 skb = alloc_skb(skb_size, GFP_KERNEL);
1151 skb_put(skb, skb_size);
1152 tx_ring->buffer_info[i].skb = skb;
1153 tx_ring->buffer_info[i].length = skb->len;
1154 tx_ring->buffer_info[i].dma =
1155 dma_map_single(&pdev->dev, skb->data, skb->len,
1157 if (dma_mapping_error(&pdev->dev,
1158 tx_ring->buffer_info[i].dma)) {
1162 tx_desc->buffer_addr = cpu_to_le64(tx_ring->buffer_info[i].dma);
1163 tx_desc->lower.data = cpu_to_le32(skb->len);
1164 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
1165 E1000_TXD_CMD_IFCS |
1167 tx_desc->upper.data = 0;
1170 /* Setup Rx descriptor ring and Rx buffers */
1172 if (!rx_ring->count)
1173 rx_ring->count = E1000_DEFAULT_RXD;
1175 rx_ring->buffer_info = kcalloc(rx_ring->count,
1176 sizeof(struct e1000_buffer),
1178 if (!(rx_ring->buffer_info)) {
1183 rx_ring->size = rx_ring->count * sizeof(struct e1000_rx_desc);
1184 rx_ring->desc = dma_alloc_coherent(&pdev->dev, rx_ring->size,
1185 &rx_ring->dma, GFP_KERNEL);
1186 if (!rx_ring->desc) {
1190 rx_ring->next_to_use = 0;
1191 rx_ring->next_to_clean = 0;
1194 ew32(RCTL, rctl & ~E1000_RCTL_EN);
1195 ew32(RDBAL, ((u64) rx_ring->dma & 0xFFFFFFFF));
1196 ew32(RDBAH, ((u64) rx_ring->dma >> 32));
1197 ew32(RDLEN, rx_ring->size);
1200 rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
1201 E1000_RCTL_UPE | E1000_RCTL_MPE | E1000_RCTL_LPE |
1202 E1000_RCTL_SBP | E1000_RCTL_SECRC |
1203 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
1204 (adapter->hw.mac.mc_filter_type << E1000_RCTL_MO_SHIFT);
1207 for (i = 0; i < rx_ring->count; i++) {
1208 struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rx_ring, i);
1209 struct sk_buff *skb;
1211 skb = alloc_skb(2048 + NET_IP_ALIGN, GFP_KERNEL);
1216 skb_reserve(skb, NET_IP_ALIGN);
1217 rx_ring->buffer_info[i].skb = skb;
1218 rx_ring->buffer_info[i].dma =
1219 dma_map_single(&pdev->dev, skb->data, 2048,
1221 if (dma_mapping_error(&pdev->dev,
1222 rx_ring->buffer_info[i].dma)) {
1226 rx_desc->buffer_addr =
1227 cpu_to_le64(rx_ring->buffer_info[i].dma);
1228 memset(skb->data, 0x00, skb->len);
1234 e1000_free_desc_rings(adapter);
1238 static void e1000_phy_disable_receiver(struct e1000_adapter *adapter)
1240 /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1241 e1e_wphy(&adapter->hw, 29, 0x001F);
1242 e1e_wphy(&adapter->hw, 30, 0x8FFC);
1243 e1e_wphy(&adapter->hw, 29, 0x001A);
1244 e1e_wphy(&adapter->hw, 30, 0x8FF0);
1247 static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
1249 struct e1000_hw *hw = &adapter->hw;
1254 hw->mac.autoneg = 0;
1256 if (hw->phy.type == e1000_phy_ife) {
1257 /* force 100, set loopback */
1258 e1e_wphy(hw, PHY_CONTROL, 0x6100);
1260 /* Now set up the MAC to the same speed/duplex as the PHY. */
1261 ctrl_reg = er32(CTRL);
1262 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1263 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1264 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1265 E1000_CTRL_SPD_100 |/* Force Speed to 100 */
1266 E1000_CTRL_FD); /* Force Duplex to FULL */
1268 ew32(CTRL, ctrl_reg);
1274 /* Specific PHY configuration for loopback */
1275 switch (hw->phy.type) {
1277 /* Auto-MDI/MDIX Off */
1278 e1e_wphy(hw, M88E1000_PHY_SPEC_CTRL, 0x0808);
1279 /* reset to update Auto-MDI/MDIX */
1280 e1e_wphy(hw, PHY_CONTROL, 0x9140);
1282 e1e_wphy(hw, PHY_CONTROL, 0x8140);
1284 case e1000_phy_gg82563:
1285 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x1CC);
1288 /* Set Default MAC Interface speed to 1GB */
1289 e1e_rphy(hw, PHY_REG(2, 21), &phy_reg);
1292 e1e_wphy(hw, PHY_REG(2, 21), phy_reg);
1293 /* Assert SW reset for above settings to take effect */
1294 e1000e_commit_phy(hw);
1296 /* Force Full Duplex */
1297 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg);
1298 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x000C);
1299 /* Set Link Up (in force link) */
1300 e1e_rphy(hw, PHY_REG(776, 16), &phy_reg);
1301 e1e_wphy(hw, PHY_REG(776, 16), phy_reg | 0x0040);
1303 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg);
1304 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x0040);
1305 /* Set Early Link Enable */
1306 e1e_rphy(hw, PHY_REG(769, 20), &phy_reg);
1307 e1e_wphy(hw, PHY_REG(769, 20), phy_reg | 0x0400);
1309 case e1000_phy_82577:
1310 case e1000_phy_82578:
1311 /* Workaround: K1 must be disabled for stable 1Gbps operation */
1312 ret_val = hw->phy.ops.acquire(hw);
1314 e_err("Cannot setup 1Gbps loopback.\n");
1317 e1000_configure_k1_ich8lan(hw, false);
1318 hw->phy.ops.release(hw);
1320 case e1000_phy_82579:
1321 /* Disable PHY energy detect power down */
1322 e1e_rphy(hw, PHY_REG(0, 21), &phy_reg);
1323 e1e_wphy(hw, PHY_REG(0, 21), phy_reg & ~(1 << 3));
1324 /* Disable full chip energy detect */
1325 e1e_rphy(hw, PHY_REG(776, 18), &phy_reg);
1326 e1e_wphy(hw, PHY_REG(776, 18), phy_reg | 1);
1327 /* Enable loopback on the PHY */
1328 #define I82577_PHY_LBK_CTRL 19
1329 e1e_wphy(hw, I82577_PHY_LBK_CTRL, 0x8001);
1335 /* force 1000, set loopback */
1336 e1e_wphy(hw, PHY_CONTROL, 0x4140);
1339 /* Now set up the MAC to the same speed/duplex as the PHY. */
1340 ctrl_reg = er32(CTRL);
1341 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1342 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1343 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1344 E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
1345 E1000_CTRL_FD); /* Force Duplex to FULL */
1347 if (adapter->flags & FLAG_IS_ICH)
1348 ctrl_reg |= E1000_CTRL_SLU; /* Set Link Up */
1350 if (hw->phy.media_type == e1000_media_type_copper &&
1351 hw->phy.type == e1000_phy_m88) {
1352 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
1355 * Set the ILOS bit on the fiber Nic if half duplex link is
1358 if ((er32(STATUS) & E1000_STATUS_FD) == 0)
1359 ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
1362 ew32(CTRL, ctrl_reg);
1365 * Disable the receiver on the PHY so when a cable is plugged in, the
1366 * PHY does not begin to autoneg when a cable is reconnected to the NIC.
1368 if (hw->phy.type == e1000_phy_m88)
1369 e1000_phy_disable_receiver(adapter);
1376 static int e1000_set_82571_fiber_loopback(struct e1000_adapter *adapter)
1378 struct e1000_hw *hw = &adapter->hw;
1379 u32 ctrl = er32(CTRL);
1382 /* special requirements for 82571/82572 fiber adapters */
1385 * jump through hoops to make sure link is up because serdes
1386 * link is hardwired up
1388 ctrl |= E1000_CTRL_SLU;
1391 /* disable autoneg */
1396 link = (er32(STATUS) & E1000_STATUS_LU);
1399 /* set invert loss of signal */
1401 ctrl |= E1000_CTRL_ILOS;
1406 * special write to serdes control register to enable SerDes analog
1409 #define E1000_SERDES_LB_ON 0x410
1410 ew32(SCTL, E1000_SERDES_LB_ON);
1416 /* only call this for fiber/serdes connections to es2lan */
1417 static int e1000_set_es2lan_mac_loopback(struct e1000_adapter *adapter)
1419 struct e1000_hw *hw = &adapter->hw;
1420 u32 ctrlext = er32(CTRL_EXT);
1421 u32 ctrl = er32(CTRL);
1424 * save CTRL_EXT to restore later, reuse an empty variable (unused
1425 * on mac_type 80003es2lan)
1427 adapter->tx_fifo_head = ctrlext;
1429 /* clear the serdes mode bits, putting the device into mac loopback */
1430 ctrlext &= ~E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES;
1431 ew32(CTRL_EXT, ctrlext);
1433 /* force speed to 1000/FD, link up */
1434 ctrl &= ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100);
1435 ctrl |= (E1000_CTRL_SLU | E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX |
1436 E1000_CTRL_SPD_1000 | E1000_CTRL_FD);
1439 /* set mac loopback */
1441 ctrl |= E1000_RCTL_LBM_MAC;
1444 /* set testing mode parameters (no need to reset later) */
1445 #define KMRNCTRLSTA_OPMODE (0x1F << 16)
1446 #define KMRNCTRLSTA_OPMODE_1GB_FD_GMII 0x0582
1448 (KMRNCTRLSTA_OPMODE | KMRNCTRLSTA_OPMODE_1GB_FD_GMII));
1453 static int e1000_setup_loopback_test(struct e1000_adapter *adapter)
1455 struct e1000_hw *hw = &adapter->hw;
1458 if (hw->phy.media_type == e1000_media_type_fiber ||
1459 hw->phy.media_type == e1000_media_type_internal_serdes) {
1460 switch (hw->mac.type) {
1461 case e1000_80003es2lan:
1462 return e1000_set_es2lan_mac_loopback(adapter);
1466 return e1000_set_82571_fiber_loopback(adapter);
1470 rctl |= E1000_RCTL_LBM_TCVR;
1474 } else if (hw->phy.media_type == e1000_media_type_copper) {
1475 return e1000_integrated_phy_loopback(adapter);
1481 static void e1000_loopback_cleanup(struct e1000_adapter *adapter)
1483 struct e1000_hw *hw = &adapter->hw;
1488 rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
1491 switch (hw->mac.type) {
1492 case e1000_80003es2lan:
1493 if (hw->phy.media_type == e1000_media_type_fiber ||
1494 hw->phy.media_type == e1000_media_type_internal_serdes) {
1495 /* restore CTRL_EXT, stealing space from tx_fifo_head */
1496 ew32(CTRL_EXT, adapter->tx_fifo_head);
1497 adapter->tx_fifo_head = 0;
1502 if (hw->phy.media_type == e1000_media_type_fiber ||
1503 hw->phy.media_type == e1000_media_type_internal_serdes) {
1504 #define E1000_SERDES_LB_OFF 0x400
1505 ew32(SCTL, E1000_SERDES_LB_OFF);
1511 hw->mac.autoneg = 1;
1512 if (hw->phy.type == e1000_phy_gg82563)
1513 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x180);
1514 e1e_rphy(hw, PHY_CONTROL, &phy_reg);
1515 if (phy_reg & MII_CR_LOOPBACK) {
1516 phy_reg &= ~MII_CR_LOOPBACK;
1517 e1e_wphy(hw, PHY_CONTROL, phy_reg);
1518 e1000e_commit_phy(hw);
1524 static void e1000_create_lbtest_frame(struct sk_buff *skb,
1525 unsigned int frame_size)
1527 memset(skb->data, 0xFF, frame_size);
1529 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1530 memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
1531 memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
1534 static int e1000_check_lbtest_frame(struct sk_buff *skb,
1535 unsigned int frame_size)
1538 if (*(skb->data + 3) == 0xFF)
1539 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
1540 (*(skb->data + frame_size / 2 + 12) == 0xAF))
1545 static int e1000_run_loopback_test(struct e1000_adapter *adapter)
1547 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1548 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1549 struct pci_dev *pdev = adapter->pdev;
1550 struct e1000_hw *hw = &adapter->hw;
1557 ew32(RDT, rx_ring->count - 1);
1560 * Calculate the loop count based on the largest descriptor ring
1561 * The idea is to wrap the largest ring a number of times using 64
1562 * send/receive pairs during each loop
1565 if (rx_ring->count <= tx_ring->count)
1566 lc = ((tx_ring->count / 64) * 2) + 1;
1568 lc = ((rx_ring->count / 64) * 2) + 1;
1572 for (j = 0; j <= lc; j++) { /* loop count loop */
1573 for (i = 0; i < 64; i++) { /* send the packets */
1574 e1000_create_lbtest_frame(tx_ring->buffer_info[k].skb,
1576 dma_sync_single_for_device(&pdev->dev,
1577 tx_ring->buffer_info[k].dma,
1578 tx_ring->buffer_info[k].length,
1581 if (k == tx_ring->count)
1586 time = jiffies; /* set the start time for the receive */
1588 do { /* receive the sent packets */
1589 dma_sync_single_for_cpu(&pdev->dev,
1590 rx_ring->buffer_info[l].dma, 2048,
1593 ret_val = e1000_check_lbtest_frame(
1594 rx_ring->buffer_info[l].skb, 1024);
1598 if (l == rx_ring->count)
1601 * time + 20 msecs (200 msecs on 2.4) is more than
1602 * enough time to complete the receives, if it's
1603 * exceeded, break and error off
1605 } while ((good_cnt < 64) && !time_after(jiffies, time + 20));
1606 if (good_cnt != 64) {
1607 ret_val = 13; /* ret_val is the same as mis-compare */
1610 if (jiffies >= (time + 20)) {
1611 ret_val = 14; /* error code for time out error */
1614 } /* end loop count loop */
1618 static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data)
1621 * PHY loopback cannot be performed if SoL/IDER
1622 * sessions are active
1624 if (e1000_check_reset_block(&adapter->hw)) {
1625 e_err("Cannot do PHY loopback test when SoL/IDER is active.\n");
1630 *data = e1000_setup_desc_rings(adapter);
1634 *data = e1000_setup_loopback_test(adapter);
1638 *data = e1000_run_loopback_test(adapter);
1639 e1000_loopback_cleanup(adapter);
1642 e1000_free_desc_rings(adapter);
1647 static int e1000_link_test(struct e1000_adapter *adapter, u64 *data)
1649 struct e1000_hw *hw = &adapter->hw;
1652 if (hw->phy.media_type == e1000_media_type_internal_serdes) {
1654 hw->mac.serdes_has_link = false;
1657 * On some blade server designs, link establishment
1658 * could take as long as 2-3 minutes
1661 hw->mac.ops.check_for_link(hw);
1662 if (hw->mac.serdes_has_link)
1665 } while (i++ < 3750);
1669 hw->mac.ops.check_for_link(hw);
1670 if (hw->mac.autoneg)
1673 if (!(er32(STATUS) &
1680 static int e1000e_get_sset_count(struct net_device *netdev, int sset)
1684 return E1000_TEST_LEN;
1686 return E1000_STATS_LEN;
1692 static void e1000_diag_test(struct net_device *netdev,
1693 struct ethtool_test *eth_test, u64 *data)
1695 struct e1000_adapter *adapter = netdev_priv(netdev);
1696 u16 autoneg_advertised;
1697 u8 forced_speed_duplex;
1699 bool if_running = netif_running(netdev);
1701 set_bit(__E1000_TESTING, &adapter->state);
1704 /* Get control of and reset hardware */
1705 if (adapter->flags & FLAG_HAS_AMT)
1706 e1000e_get_hw_control(adapter);
1708 e1000e_power_up_phy(adapter);
1710 adapter->hw.phy.autoneg_wait_to_complete = 1;
1711 e1000e_reset(adapter);
1712 adapter->hw.phy.autoneg_wait_to_complete = 0;
1715 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1718 /* save speed, duplex, autoneg settings */
1719 autoneg_advertised = adapter->hw.phy.autoneg_advertised;
1720 forced_speed_duplex = adapter->hw.mac.forced_speed_duplex;
1721 autoneg = adapter->hw.mac.autoneg;
1723 e_info("offline testing starting\n");
1726 /* indicate we're in test mode */
1729 if (e1000_reg_test(adapter, &data[0]))
1730 eth_test->flags |= ETH_TEST_FL_FAILED;
1732 e1000e_reset(adapter);
1733 if (e1000_eeprom_test(adapter, &data[1]))
1734 eth_test->flags |= ETH_TEST_FL_FAILED;
1736 e1000e_reset(adapter);
1737 if (e1000_intr_test(adapter, &data[2]))
1738 eth_test->flags |= ETH_TEST_FL_FAILED;
1740 e1000e_reset(adapter);
1741 if (e1000_loopback_test(adapter, &data[3]))
1742 eth_test->flags |= ETH_TEST_FL_FAILED;
1744 /* force this routine to wait until autoneg complete/timeout */
1745 adapter->hw.phy.autoneg_wait_to_complete = 1;
1746 e1000e_reset(adapter);
1747 adapter->hw.phy.autoneg_wait_to_complete = 0;
1749 if (e1000_link_test(adapter, &data[4]))
1750 eth_test->flags |= ETH_TEST_FL_FAILED;
1752 /* restore speed, duplex, autoneg settings */
1753 adapter->hw.phy.autoneg_advertised = autoneg_advertised;
1754 adapter->hw.mac.forced_speed_duplex = forced_speed_duplex;
1755 adapter->hw.mac.autoneg = autoneg;
1756 e1000e_reset(adapter);
1758 clear_bit(__E1000_TESTING, &adapter->state);
1764 e_info("online testing starting\n");
1766 /* register, eeprom, intr and loopback tests not run online */
1772 if (e1000_link_test(adapter, &data[4]))
1773 eth_test->flags |= ETH_TEST_FL_FAILED;
1775 clear_bit(__E1000_TESTING, &adapter->state);
1779 e1000e_reset(adapter);
1781 if (adapter->flags & FLAG_HAS_AMT)
1782 e1000e_release_hw_control(adapter);
1785 msleep_interruptible(4 * 1000);
1788 static void e1000_get_wol(struct net_device *netdev,
1789 struct ethtool_wolinfo *wol)
1791 struct e1000_adapter *adapter = netdev_priv(netdev);
1796 if (!(adapter->flags & FLAG_HAS_WOL) ||
1797 !device_can_wakeup(&adapter->pdev->dev))
1800 wol->supported = WAKE_UCAST | WAKE_MCAST |
1801 WAKE_BCAST | WAKE_MAGIC |
1802 WAKE_PHY | WAKE_ARP;
1804 /* apply any specific unsupported masks here */
1805 if (adapter->flags & FLAG_NO_WAKE_UCAST) {
1806 wol->supported &= ~WAKE_UCAST;
1808 if (adapter->wol & E1000_WUFC_EX)
1809 e_err("Interface does not support directed (unicast) "
1810 "frame wake-up packets\n");
1813 if (adapter->wol & E1000_WUFC_EX)
1814 wol->wolopts |= WAKE_UCAST;
1815 if (adapter->wol & E1000_WUFC_MC)
1816 wol->wolopts |= WAKE_MCAST;
1817 if (adapter->wol & E1000_WUFC_BC)
1818 wol->wolopts |= WAKE_BCAST;
1819 if (adapter->wol & E1000_WUFC_MAG)
1820 wol->wolopts |= WAKE_MAGIC;
1821 if (adapter->wol & E1000_WUFC_LNKC)
1822 wol->wolopts |= WAKE_PHY;
1823 if (adapter->wol & E1000_WUFC_ARP)
1824 wol->wolopts |= WAKE_ARP;
1827 static int e1000_set_wol(struct net_device *netdev,
1828 struct ethtool_wolinfo *wol)
1830 struct e1000_adapter *adapter = netdev_priv(netdev);
1832 if (!(adapter->flags & FLAG_HAS_WOL) ||
1833 !device_can_wakeup(&adapter->pdev->dev) ||
1834 (wol->wolopts & ~(WAKE_UCAST | WAKE_MCAST | WAKE_BCAST |
1835 WAKE_MAGIC | WAKE_PHY | WAKE_ARP)))
1838 /* these settings will always override what we currently have */
1841 if (wol->wolopts & WAKE_UCAST)
1842 adapter->wol |= E1000_WUFC_EX;
1843 if (wol->wolopts & WAKE_MCAST)
1844 adapter->wol |= E1000_WUFC_MC;
1845 if (wol->wolopts & WAKE_BCAST)
1846 adapter->wol |= E1000_WUFC_BC;
1847 if (wol->wolopts & WAKE_MAGIC)
1848 adapter->wol |= E1000_WUFC_MAG;
1849 if (wol->wolopts & WAKE_PHY)
1850 adapter->wol |= E1000_WUFC_LNKC;
1851 if (wol->wolopts & WAKE_ARP)
1852 adapter->wol |= E1000_WUFC_ARP;
1854 device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
1859 /* toggle LED 4 times per second = 2 "blinks" per second */
1860 #define E1000_ID_INTERVAL (HZ/4)
1862 /* bit defines for adapter->led_status */
1863 #define E1000_LED_ON 0
1865 void e1000e_led_blink_task(struct work_struct *work)
1867 struct e1000_adapter *adapter = container_of(work,
1868 struct e1000_adapter, led_blink_task);
1870 if (test_and_change_bit(E1000_LED_ON, &adapter->led_status))
1871 adapter->hw.mac.ops.led_off(&adapter->hw);
1873 adapter->hw.mac.ops.led_on(&adapter->hw);
1876 static void e1000_led_blink_callback(unsigned long data)
1878 struct e1000_adapter *adapter = (struct e1000_adapter *) data;
1880 schedule_work(&adapter->led_blink_task);
1881 mod_timer(&adapter->blink_timer, jiffies + E1000_ID_INTERVAL);
1884 static int e1000_phys_id(struct net_device *netdev, u32 data)
1886 struct e1000_adapter *adapter = netdev_priv(netdev);
1887 struct e1000_hw *hw = &adapter->hw;
1892 if ((hw->phy.type == e1000_phy_ife) ||
1893 (hw->mac.type == e1000_pchlan) ||
1894 (hw->mac.type == e1000_pch2lan) ||
1895 (hw->mac.type == e1000_82583) ||
1896 (hw->mac.type == e1000_82574)) {
1897 if (!adapter->blink_timer.function) {
1898 init_timer(&adapter->blink_timer);
1899 adapter->blink_timer.function =
1900 e1000_led_blink_callback;
1901 adapter->blink_timer.data = (unsigned long) adapter;
1903 mod_timer(&adapter->blink_timer, jiffies);
1904 msleep_interruptible(data * 1000);
1905 del_timer_sync(&adapter->blink_timer);
1906 if (hw->phy.type == e1000_phy_ife)
1907 e1e_wphy(hw, IFE_PHY_SPECIAL_CONTROL_LED, 0);
1909 e1000e_blink_led(hw);
1910 msleep_interruptible(data * 1000);
1913 hw->mac.ops.led_off(hw);
1914 clear_bit(E1000_LED_ON, &adapter->led_status);
1915 hw->mac.ops.cleanup_led(hw);
1920 static int e1000_get_coalesce(struct net_device *netdev,
1921 struct ethtool_coalesce *ec)
1923 struct e1000_adapter *adapter = netdev_priv(netdev);
1925 if (adapter->itr_setting <= 4)
1926 ec->rx_coalesce_usecs = adapter->itr_setting;
1928 ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting;
1933 static int e1000_set_coalesce(struct net_device *netdev,
1934 struct ethtool_coalesce *ec)
1936 struct e1000_adapter *adapter = netdev_priv(netdev);
1937 struct e1000_hw *hw = &adapter->hw;
1939 if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) ||
1940 ((ec->rx_coalesce_usecs > 4) &&
1941 (ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) ||
1942 (ec->rx_coalesce_usecs == 2))
1945 if (ec->rx_coalesce_usecs == 4) {
1946 adapter->itr = adapter->itr_setting = 4;
1947 } else if (ec->rx_coalesce_usecs <= 3) {
1948 adapter->itr = 20000;
1949 adapter->itr_setting = ec->rx_coalesce_usecs;
1951 adapter->itr = (1000000 / ec->rx_coalesce_usecs);
1952 adapter->itr_setting = adapter->itr & ~3;
1955 if (adapter->itr_setting != 0)
1956 ew32(ITR, 1000000000 / (adapter->itr * 256));
1963 static int e1000_nway_reset(struct net_device *netdev)
1965 struct e1000_adapter *adapter = netdev_priv(netdev);
1966 if (netif_running(netdev))
1967 e1000e_reinit_locked(adapter);
1971 static void e1000_get_ethtool_stats(struct net_device *netdev,
1972 struct ethtool_stats *stats,
1975 struct e1000_adapter *adapter = netdev_priv(netdev);
1976 struct rtnl_link_stats64 net_stats;
1980 e1000e_get_stats64(netdev, &net_stats);
1981 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1982 switch (e1000_gstrings_stats[i].type) {
1984 p = (char *) &net_stats +
1985 e1000_gstrings_stats[i].stat_offset;
1988 p = (char *) adapter +
1989 e1000_gstrings_stats[i].stat_offset;
1996 data[i] = (e1000_gstrings_stats[i].sizeof_stat ==
1997 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
2001 static void e1000_get_strings(struct net_device *netdev, u32 stringset,
2007 switch (stringset) {
2009 memcpy(data, *e1000_gstrings_test, sizeof(e1000_gstrings_test));
2012 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
2013 memcpy(p, e1000_gstrings_stats[i].stat_string,
2015 p += ETH_GSTRING_LEN;
2021 static const struct ethtool_ops e1000_ethtool_ops = {
2022 .get_settings = e1000_get_settings,
2023 .set_settings = e1000_set_settings,
2024 .get_drvinfo = e1000_get_drvinfo,
2025 .get_regs_len = e1000_get_regs_len,
2026 .get_regs = e1000_get_regs,
2027 .get_wol = e1000_get_wol,
2028 .set_wol = e1000_set_wol,
2029 .get_msglevel = e1000_get_msglevel,
2030 .set_msglevel = e1000_set_msglevel,
2031 .nway_reset = e1000_nway_reset,
2032 .get_link = ethtool_op_get_link,
2033 .get_eeprom_len = e1000_get_eeprom_len,
2034 .get_eeprom = e1000_get_eeprom,
2035 .set_eeprom = e1000_set_eeprom,
2036 .get_ringparam = e1000_get_ringparam,
2037 .set_ringparam = e1000_set_ringparam,
2038 .get_pauseparam = e1000_get_pauseparam,
2039 .set_pauseparam = e1000_set_pauseparam,
2040 .get_rx_csum = e1000_get_rx_csum,
2041 .set_rx_csum = e1000_set_rx_csum,
2042 .get_tx_csum = e1000_get_tx_csum,
2043 .set_tx_csum = e1000_set_tx_csum,
2044 .get_sg = ethtool_op_get_sg,
2045 .set_sg = ethtool_op_set_sg,
2046 .get_tso = ethtool_op_get_tso,
2047 .set_tso = e1000_set_tso,
2048 .self_test = e1000_diag_test,
2049 .get_strings = e1000_get_strings,
2050 .phys_id = e1000_phys_id,
2051 .get_ethtool_stats = e1000_get_ethtool_stats,
2052 .get_sset_count = e1000e_get_sset_count,
2053 .get_coalesce = e1000_get_coalesce,
2054 .set_coalesce = e1000_set_coalesce,
2055 .get_flags = ethtool_op_get_flags,
2058 void e1000e_set_ethtool_ops(struct net_device *netdev)
2060 SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops);