1 /*******************************************************************************
3 Intel PRO/1000 Linux driver
4 Copyright(c) 1999 - 2010 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(m) E1000_STATS, \
49 sizeof(((struct e1000_adapter *)0)->m), \
50 offsetof(struct e1000_adapter, m)
51 #define E1000_NETDEV_STAT(m) NETDEV_STATS, \
52 sizeof(((struct net_device *)0)->m), \
53 offsetof(struct net_device, m)
55 static const struct e1000_stats e1000_gstrings_stats[] = {
56 { "rx_packets", E1000_STAT(stats.gprc) },
57 { "tx_packets", E1000_STAT(stats.gptc) },
58 { "rx_bytes", E1000_STAT(stats.gorc) },
59 { "tx_bytes", E1000_STAT(stats.gotc) },
60 { "rx_broadcast", E1000_STAT(stats.bprc) },
61 { "tx_broadcast", E1000_STAT(stats.bptc) },
62 { "rx_multicast", E1000_STAT(stats.mprc) },
63 { "tx_multicast", E1000_STAT(stats.mptc) },
64 { "rx_errors", E1000_NETDEV_STAT(stats.rx_errors) },
65 { "tx_errors", E1000_NETDEV_STAT(stats.tx_errors) },
66 { "tx_dropped", E1000_NETDEV_STAT(stats.tx_dropped) },
67 { "multicast", E1000_STAT(stats.mprc) },
68 { "collisions", E1000_STAT(stats.colc) },
69 { "rx_length_errors", E1000_NETDEV_STAT(stats.rx_length_errors) },
70 { "rx_over_errors", E1000_NETDEV_STAT(stats.rx_over_errors) },
71 { "rx_crc_errors", E1000_STAT(stats.crcerrs) },
72 { "rx_frame_errors", E1000_NETDEV_STAT(stats.rx_frame_errors) },
73 { "rx_no_buffer_count", E1000_STAT(stats.rnbc) },
74 { "rx_missed_errors", E1000_STAT(stats.mpc) },
75 { "tx_aborted_errors", E1000_STAT(stats.ecol) },
76 { "tx_carrier_errors", E1000_STAT(stats.tncrs) },
77 { "tx_fifo_errors", E1000_NETDEV_STAT(stats.tx_fifo_errors) },
78 { "tx_heartbeat_errors", E1000_NETDEV_STAT(stats.tx_heartbeat_errors) },
79 { "tx_window_errors", E1000_STAT(stats.latecol) },
80 { "tx_abort_late_coll", E1000_STAT(stats.latecol) },
81 { "tx_deferred_ok", E1000_STAT(stats.dc) },
82 { "tx_single_coll_ok", E1000_STAT(stats.scc) },
83 { "tx_multi_coll_ok", E1000_STAT(stats.mcc) },
84 { "tx_timeout_count", E1000_STAT(tx_timeout_count) },
85 { "tx_restart_queue", E1000_STAT(restart_queue) },
86 { "rx_long_length_errors", E1000_STAT(stats.roc) },
87 { "rx_short_length_errors", E1000_STAT(stats.ruc) },
88 { "rx_align_errors", E1000_STAT(stats.algnerrc) },
89 { "tx_tcp_seg_good", E1000_STAT(stats.tsctc) },
90 { "tx_tcp_seg_failed", E1000_STAT(stats.tsctfc) },
91 { "rx_flow_control_xon", E1000_STAT(stats.xonrxc) },
92 { "rx_flow_control_xoff", E1000_STAT(stats.xoffrxc) },
93 { "tx_flow_control_xon", E1000_STAT(stats.xontxc) },
94 { "tx_flow_control_xoff", E1000_STAT(stats.xofftxc) },
95 { "rx_long_byte_count", E1000_STAT(stats.gorc) },
96 { "rx_csum_offload_good", E1000_STAT(hw_csum_good) },
97 { "rx_csum_offload_errors", E1000_STAT(hw_csum_err) },
98 { "rx_header_split", E1000_STAT(rx_hdr_split) },
99 { "alloc_rx_buff_failed", E1000_STAT(alloc_rx_buff_failed) },
100 { "tx_smbus", E1000_STAT(stats.mgptc) },
101 { "rx_smbus", E1000_STAT(stats.mgprc) },
102 { "dropped_smbus", E1000_STAT(stats.mgpdc) },
103 { "rx_dma_failed", E1000_STAT(rx_dma_failed) },
104 { "tx_dma_failed", E1000_STAT(tx_dma_failed) },
107 #define E1000_GLOBAL_STATS_LEN ARRAY_SIZE(e1000_gstrings_stats)
108 #define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN)
109 static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = {
110 "Register test (offline)", "Eeprom test (offline)",
111 "Interrupt test (offline)", "Loopback test (offline)",
112 "Link test (on/offline)"
114 #define E1000_TEST_LEN ARRAY_SIZE(e1000_gstrings_test)
116 static int e1000_get_settings(struct net_device *netdev,
117 struct ethtool_cmd *ecmd)
119 struct e1000_adapter *adapter = netdev_priv(netdev);
120 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;
161 if (netif_running(netdev)) {
162 if (netif_carrier_ok(netdev)) {
163 ecmd->speed = adapter->link_speed;
164 ecmd->duplex = adapter->link_duplex - 1;
167 u32 status = er32(STATUS);
168 if (status & E1000_STATUS_LU) {
169 if (status & E1000_STATUS_SPEED_1000)
171 else if (status & E1000_STATUS_SPEED_100)
176 if (status & E1000_STATUS_FD)
177 ecmd->duplex = DUPLEX_FULL;
179 ecmd->duplex = DUPLEX_HALF;
183 ecmd->autoneg = ((hw->phy.media_type == e1000_media_type_fiber) ||
184 hw->mac.autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE;
186 /* MDI-X => 2; MDI =>1; Invalid =>0 */
187 if ((hw->phy.media_type == e1000_media_type_copper) &&
188 netif_carrier_ok(netdev))
189 ecmd->eth_tp_mdix = hw->phy.is_mdix ? ETH_TP_MDI_X :
192 ecmd->eth_tp_mdix = ETH_TP_MDI_INVALID;
197 static int e1000_set_spd_dplx(struct e1000_adapter *adapter, u16 spddplx)
199 struct e1000_mac_info *mac = &adapter->hw.mac;
203 /* Fiber NICs only allow 1000 gbps Full duplex */
204 if ((adapter->hw.phy.media_type == e1000_media_type_fiber) &&
205 spddplx != (SPEED_1000 + DUPLEX_FULL)) {
206 e_err("Unsupported Speed/Duplex configuration\n");
211 case SPEED_10 + DUPLEX_HALF:
212 mac->forced_speed_duplex = ADVERTISE_10_HALF;
214 case SPEED_10 + DUPLEX_FULL:
215 mac->forced_speed_duplex = ADVERTISE_10_FULL;
217 case SPEED_100 + DUPLEX_HALF:
218 mac->forced_speed_duplex = ADVERTISE_100_HALF;
220 case SPEED_100 + DUPLEX_FULL:
221 mac->forced_speed_duplex = ADVERTISE_100_FULL;
223 case SPEED_1000 + DUPLEX_FULL:
225 adapter->hw.phy.autoneg_advertised = ADVERTISE_1000_FULL;
227 case SPEED_1000 + DUPLEX_HALF: /* not supported */
229 e_err("Unsupported Speed/Duplex configuration\n");
235 static int e1000_set_settings(struct net_device *netdev,
236 struct ethtool_cmd *ecmd)
238 struct e1000_adapter *adapter = netdev_priv(netdev);
239 struct e1000_hw *hw = &adapter->hw;
242 * When SoL/IDER sessions are active, autoneg/speed/duplex
245 if (e1000_check_reset_block(hw)) {
246 e_err("Cannot change link characteristics when SoL/IDER is "
251 while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
254 if (ecmd->autoneg == AUTONEG_ENABLE) {
256 if (hw->phy.media_type == e1000_media_type_fiber)
257 hw->phy.autoneg_advertised = ADVERTISED_1000baseT_Full |
261 hw->phy.autoneg_advertised = ecmd->advertising |
264 ecmd->advertising = hw->phy.autoneg_advertised;
265 if (adapter->fc_autoneg)
266 hw->fc.requested_mode = e1000_fc_default;
268 if (e1000_set_spd_dplx(adapter, ecmd->speed + ecmd->duplex)) {
269 clear_bit(__E1000_RESETTING, &adapter->state);
276 if (netif_running(adapter->netdev)) {
277 e1000e_down(adapter);
280 e1000e_reset(adapter);
283 clear_bit(__E1000_RESETTING, &adapter->state);
287 static void e1000_get_pauseparam(struct net_device *netdev,
288 struct ethtool_pauseparam *pause)
290 struct e1000_adapter *adapter = netdev_priv(netdev);
291 struct e1000_hw *hw = &adapter->hw;
294 (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE);
296 if (hw->fc.current_mode == e1000_fc_rx_pause) {
298 } else if (hw->fc.current_mode == e1000_fc_tx_pause) {
300 } else if (hw->fc.current_mode == e1000_fc_full) {
306 static int e1000_set_pauseparam(struct net_device *netdev,
307 struct ethtool_pauseparam *pause)
309 struct e1000_adapter *adapter = netdev_priv(netdev);
310 struct e1000_hw *hw = &adapter->hw;
313 adapter->fc_autoneg = pause->autoneg;
315 while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
318 if (adapter->fc_autoneg == AUTONEG_ENABLE) {
319 hw->fc.requested_mode = e1000_fc_default;
320 if (netif_running(adapter->netdev)) {
321 e1000e_down(adapter);
324 e1000e_reset(adapter);
327 if (pause->rx_pause && pause->tx_pause)
328 hw->fc.requested_mode = e1000_fc_full;
329 else if (pause->rx_pause && !pause->tx_pause)
330 hw->fc.requested_mode = e1000_fc_rx_pause;
331 else if (!pause->rx_pause && pause->tx_pause)
332 hw->fc.requested_mode = e1000_fc_tx_pause;
333 else if (!pause->rx_pause && !pause->tx_pause)
334 hw->fc.requested_mode = e1000_fc_none;
336 hw->fc.current_mode = hw->fc.requested_mode;
338 if (hw->phy.media_type == e1000_media_type_fiber) {
339 retval = hw->mac.ops.setup_link(hw);
340 /* implicit goto out */
342 retval = e1000e_force_mac_fc(hw);
345 e1000e_set_fc_watermarks(hw);
350 clear_bit(__E1000_RESETTING, &adapter->state);
354 static u32 e1000_get_rx_csum(struct net_device *netdev)
356 struct e1000_adapter *adapter = netdev_priv(netdev);
357 return adapter->flags & FLAG_RX_CSUM_ENABLED;
360 static int e1000_set_rx_csum(struct net_device *netdev, u32 data)
362 struct e1000_adapter *adapter = netdev_priv(netdev);
365 adapter->flags |= FLAG_RX_CSUM_ENABLED;
367 adapter->flags &= ~FLAG_RX_CSUM_ENABLED;
369 if (netif_running(netdev))
370 e1000e_reinit_locked(adapter);
372 e1000e_reset(adapter);
376 static u32 e1000_get_tx_csum(struct net_device *netdev)
378 return (netdev->features & NETIF_F_HW_CSUM) != 0;
381 static int e1000_set_tx_csum(struct net_device *netdev, u32 data)
384 netdev->features |= NETIF_F_HW_CSUM;
386 netdev->features &= ~NETIF_F_HW_CSUM;
391 static int e1000_set_tso(struct net_device *netdev, u32 data)
393 struct e1000_adapter *adapter = netdev_priv(netdev);
396 netdev->features |= NETIF_F_TSO;
397 netdev->features |= NETIF_F_TSO6;
399 netdev->features &= ~NETIF_F_TSO;
400 netdev->features &= ~NETIF_F_TSO6;
403 adapter->flags |= FLAG_TSO_FORCE;
407 static u32 e1000_get_msglevel(struct net_device *netdev)
409 struct e1000_adapter *adapter = netdev_priv(netdev);
410 return adapter->msg_enable;
413 static void e1000_set_msglevel(struct net_device *netdev, u32 data)
415 struct e1000_adapter *adapter = netdev_priv(netdev);
416 adapter->msg_enable = data;
419 static int e1000_get_regs_len(struct net_device *netdev)
421 #define E1000_REGS_LEN 32 /* overestimate */
422 return E1000_REGS_LEN * sizeof(u32);
425 static void e1000_get_regs(struct net_device *netdev,
426 struct ethtool_regs *regs, void *p)
428 struct e1000_adapter *adapter = netdev_priv(netdev);
429 struct e1000_hw *hw = &adapter->hw;
434 memset(p, 0, E1000_REGS_LEN * sizeof(u32));
436 pci_read_config_byte(adapter->pdev, PCI_REVISION_ID, &revision_id);
438 regs->version = (1 << 24) | (revision_id << 16) | adapter->pdev->device;
440 regs_buff[0] = er32(CTRL);
441 regs_buff[1] = er32(STATUS);
443 regs_buff[2] = er32(RCTL);
444 regs_buff[3] = er32(RDLEN);
445 regs_buff[4] = er32(RDH);
446 regs_buff[5] = er32(RDT);
447 regs_buff[6] = er32(RDTR);
449 regs_buff[7] = er32(TCTL);
450 regs_buff[8] = er32(TDLEN);
451 regs_buff[9] = er32(TDH);
452 regs_buff[10] = er32(TDT);
453 regs_buff[11] = er32(TIDV);
455 regs_buff[12] = adapter->hw.phy.type; /* PHY type (IGP=1, M88=0) */
457 /* ethtool doesn't use anything past this point, so all this
458 * code is likely legacy junk for apps that may or may not
460 if (hw->phy.type == e1000_phy_m88) {
461 e1e_rphy(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
462 regs_buff[13] = (u32)phy_data; /* cable length */
463 regs_buff[14] = 0; /* Dummy (to align w/ IGP phy reg dump) */
464 regs_buff[15] = 0; /* Dummy (to align w/ IGP phy reg dump) */
465 regs_buff[16] = 0; /* Dummy (to align w/ IGP phy reg dump) */
466 e1e_rphy(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
467 regs_buff[17] = (u32)phy_data; /* extended 10bt distance */
468 regs_buff[18] = regs_buff[13]; /* cable polarity */
469 regs_buff[19] = 0; /* Dummy (to align w/ IGP phy reg dump) */
470 regs_buff[20] = regs_buff[17]; /* polarity correction */
471 /* phy receive errors */
472 regs_buff[22] = adapter->phy_stats.receive_errors;
473 regs_buff[23] = regs_buff[13]; /* mdix mode */
475 regs_buff[21] = 0; /* was idle_errors */
476 e1e_rphy(hw, PHY_1000T_STATUS, &phy_data);
477 regs_buff[24] = (u32)phy_data; /* phy local receiver status */
478 regs_buff[25] = regs_buff[24]; /* phy remote receiver status */
481 static int e1000_get_eeprom_len(struct net_device *netdev)
483 struct e1000_adapter *adapter = netdev_priv(netdev);
484 return adapter->hw.nvm.word_size * 2;
487 static int e1000_get_eeprom(struct net_device *netdev,
488 struct ethtool_eeprom *eeprom, u8 *bytes)
490 struct e1000_adapter *adapter = netdev_priv(netdev);
491 struct e1000_hw *hw = &adapter->hw;
498 if (eeprom->len == 0)
501 eeprom->magic = adapter->pdev->vendor | (adapter->pdev->device << 16);
503 first_word = eeprom->offset >> 1;
504 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
506 eeprom_buff = kmalloc(sizeof(u16) *
507 (last_word - first_word + 1), GFP_KERNEL);
511 if (hw->nvm.type == e1000_nvm_eeprom_spi) {
512 ret_val = e1000_read_nvm(hw, first_word,
513 last_word - first_word + 1,
516 for (i = 0; i < last_word - first_word + 1; i++) {
517 ret_val = e1000_read_nvm(hw, first_word + i, 1,
525 /* a read error occurred, throw away the result */
526 memset(eeprom_buff, 0xff, sizeof(u16) *
527 (last_word - first_word + 1));
529 /* Device's eeprom is always little-endian, word addressable */
530 for (i = 0; i < last_word - first_word + 1; i++)
531 le16_to_cpus(&eeprom_buff[i]);
534 memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
540 static int e1000_set_eeprom(struct net_device *netdev,
541 struct ethtool_eeprom *eeprom, u8 *bytes)
543 struct e1000_adapter *adapter = netdev_priv(netdev);
544 struct e1000_hw *hw = &adapter->hw;
553 if (eeprom->len == 0)
556 if (eeprom->magic != (adapter->pdev->vendor | (adapter->pdev->device << 16)))
559 if (adapter->flags & FLAG_READ_ONLY_NVM)
562 max_len = hw->nvm.word_size * 2;
564 first_word = eeprom->offset >> 1;
565 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
566 eeprom_buff = kmalloc(max_len, GFP_KERNEL);
570 ptr = (void *)eeprom_buff;
572 if (eeprom->offset & 1) {
573 /* need read/modify/write of first changed EEPROM word */
574 /* only the second byte of the word is being modified */
575 ret_val = e1000_read_nvm(hw, first_word, 1, &eeprom_buff[0]);
578 if (((eeprom->offset + eeprom->len) & 1) && (ret_val == 0))
579 /* need read/modify/write of last changed EEPROM word */
580 /* only the first byte of the word is being modified */
581 ret_val = e1000_read_nvm(hw, last_word, 1,
582 &eeprom_buff[last_word - first_word]);
587 /* Device's eeprom is always little-endian, word addressable */
588 for (i = 0; i < last_word - first_word + 1; i++)
589 le16_to_cpus(&eeprom_buff[i]);
591 memcpy(ptr, bytes, eeprom->len);
593 for (i = 0; i < last_word - first_word + 1; i++)
594 eeprom_buff[i] = cpu_to_le16(eeprom_buff[i]);
596 ret_val = e1000_write_nvm(hw, first_word,
597 last_word - first_word + 1, eeprom_buff);
603 * Update the checksum over the first part of the EEPROM if needed
604 * and flush shadow RAM for applicable controllers
606 if ((first_word <= NVM_CHECKSUM_REG) ||
607 (hw->mac.type == e1000_82583) ||
608 (hw->mac.type == e1000_82574) ||
609 (hw->mac.type == e1000_82573))
610 ret_val = e1000e_update_nvm_checksum(hw);
617 static void e1000_get_drvinfo(struct net_device *netdev,
618 struct ethtool_drvinfo *drvinfo)
620 struct e1000_adapter *adapter = netdev_priv(netdev);
621 char firmware_version[32];
623 strncpy(drvinfo->driver, e1000e_driver_name, 32);
624 strncpy(drvinfo->version, e1000e_driver_version, 32);
627 * EEPROM image version # is reported as firmware version # for
630 sprintf(firmware_version, "%d.%d-%d",
631 (adapter->eeprom_vers & 0xF000) >> 12,
632 (adapter->eeprom_vers & 0x0FF0) >> 4,
633 (adapter->eeprom_vers & 0x000F));
635 strncpy(drvinfo->fw_version, firmware_version, 32);
636 strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
637 drvinfo->regdump_len = e1000_get_regs_len(netdev);
638 drvinfo->eedump_len = e1000_get_eeprom_len(netdev);
641 static void e1000_get_ringparam(struct net_device *netdev,
642 struct ethtool_ringparam *ring)
644 struct e1000_adapter *adapter = netdev_priv(netdev);
645 struct e1000_ring *tx_ring = adapter->tx_ring;
646 struct e1000_ring *rx_ring = adapter->rx_ring;
648 ring->rx_max_pending = E1000_MAX_RXD;
649 ring->tx_max_pending = E1000_MAX_TXD;
650 ring->rx_mini_max_pending = 0;
651 ring->rx_jumbo_max_pending = 0;
652 ring->rx_pending = rx_ring->count;
653 ring->tx_pending = tx_ring->count;
654 ring->rx_mini_pending = 0;
655 ring->rx_jumbo_pending = 0;
658 static int e1000_set_ringparam(struct net_device *netdev,
659 struct ethtool_ringparam *ring)
661 struct e1000_adapter *adapter = netdev_priv(netdev);
662 struct e1000_ring *tx_ring, *tx_old;
663 struct e1000_ring *rx_ring, *rx_old;
666 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
669 while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
672 if (netif_running(adapter->netdev))
673 e1000e_down(adapter);
675 tx_old = adapter->tx_ring;
676 rx_old = adapter->rx_ring;
679 tx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL);
683 * use a memcpy to save any previously configured
684 * items like napi structs from having to be
687 memcpy(tx_ring, tx_old, sizeof(struct e1000_ring));
689 rx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL);
692 memcpy(rx_ring, rx_old, sizeof(struct e1000_ring));
694 adapter->tx_ring = tx_ring;
695 adapter->rx_ring = rx_ring;
697 rx_ring->count = max(ring->rx_pending, (u32)E1000_MIN_RXD);
698 rx_ring->count = min(rx_ring->count, (u32)(E1000_MAX_RXD));
699 rx_ring->count = ALIGN(rx_ring->count, REQ_RX_DESCRIPTOR_MULTIPLE);
701 tx_ring->count = max(ring->tx_pending, (u32)E1000_MIN_TXD);
702 tx_ring->count = min(tx_ring->count, (u32)(E1000_MAX_TXD));
703 tx_ring->count = ALIGN(tx_ring->count, REQ_TX_DESCRIPTOR_MULTIPLE);
705 if (netif_running(adapter->netdev)) {
706 /* Try to get new resources before deleting old */
707 err = e1000e_setup_rx_resources(adapter);
710 err = e1000e_setup_tx_resources(adapter);
715 * restore the old in order to free it,
716 * then add in the new
718 adapter->rx_ring = rx_old;
719 adapter->tx_ring = tx_old;
720 e1000e_free_rx_resources(adapter);
721 e1000e_free_tx_resources(adapter);
724 adapter->rx_ring = rx_ring;
725 adapter->tx_ring = tx_ring;
726 err = e1000e_up(adapter);
731 clear_bit(__E1000_RESETTING, &adapter->state);
734 e1000e_free_rx_resources(adapter);
736 adapter->rx_ring = rx_old;
737 adapter->tx_ring = tx_old;
744 clear_bit(__E1000_RESETTING, &adapter->state);
748 static bool reg_pattern_test(struct e1000_adapter *adapter, u64 *data,
749 int reg, int offset, u32 mask, u32 write)
752 static const u32 test[] =
753 {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF};
754 for (pat = 0; pat < ARRAY_SIZE(test); pat++) {
755 E1000_WRITE_REG_ARRAY(&adapter->hw, reg, offset,
756 (test[pat] & write));
757 val = E1000_READ_REG_ARRAY(&adapter->hw, reg, offset);
758 if (val != (test[pat] & write & mask)) {
759 e_err("pattern test reg %04X failed: got 0x%08X "
760 "expected 0x%08X\n", reg + offset, val,
761 (test[pat] & write & mask));
769 static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data,
770 int reg, u32 mask, u32 write)
773 __ew32(&adapter->hw, reg, write & mask);
774 val = __er32(&adapter->hw, reg);
775 if ((write & mask) != (val & mask)) {
776 e_err("set/check reg %04X test failed: got 0x%08X "
777 "expected 0x%08X\n", reg, (val & mask), (write & mask));
783 #define REG_PATTERN_TEST_ARRAY(reg, offset, mask, write) \
785 if (reg_pattern_test(adapter, data, reg, offset, mask, write)) \
788 #define REG_PATTERN_TEST(reg, mask, write) \
789 REG_PATTERN_TEST_ARRAY(reg, 0, mask, write)
791 #define REG_SET_AND_CHECK(reg, mask, write) \
793 if (reg_set_and_check(adapter, data, reg, mask, write)) \
797 static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data)
799 struct e1000_hw *hw = &adapter->hw;
800 struct e1000_mac_info *mac = &adapter->hw.mac;
809 * The status register is Read Only, so a write should fail.
810 * Some bits that get toggled are ignored.
813 /* there are several bits on newer hardware that are r/w */
816 case e1000_80003es2lan:
824 before = er32(STATUS);
825 value = (er32(STATUS) & toggle);
826 ew32(STATUS, toggle);
827 after = er32(STATUS) & toggle;
828 if (value != after) {
829 e_err("failed STATUS register test got: 0x%08X expected: "
830 "0x%08X\n", after, value);
834 /* restore previous status */
835 ew32(STATUS, before);
837 if (!(adapter->flags & FLAG_IS_ICH)) {
838 REG_PATTERN_TEST(E1000_FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
839 REG_PATTERN_TEST(E1000_FCAH, 0x0000FFFF, 0xFFFFFFFF);
840 REG_PATTERN_TEST(E1000_FCT, 0x0000FFFF, 0xFFFFFFFF);
841 REG_PATTERN_TEST(E1000_VET, 0x0000FFFF, 0xFFFFFFFF);
844 REG_PATTERN_TEST(E1000_RDTR, 0x0000FFFF, 0xFFFFFFFF);
845 REG_PATTERN_TEST(E1000_RDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
846 REG_PATTERN_TEST(E1000_RDLEN, 0x000FFF80, 0x000FFFFF);
847 REG_PATTERN_TEST(E1000_RDH, 0x0000FFFF, 0x0000FFFF);
848 REG_PATTERN_TEST(E1000_RDT, 0x0000FFFF, 0x0000FFFF);
849 REG_PATTERN_TEST(E1000_FCRTH, 0x0000FFF8, 0x0000FFF8);
850 REG_PATTERN_TEST(E1000_FCTTV, 0x0000FFFF, 0x0000FFFF);
851 REG_PATTERN_TEST(E1000_TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
852 REG_PATTERN_TEST(E1000_TDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
853 REG_PATTERN_TEST(E1000_TDLEN, 0x000FFF80, 0x000FFFFF);
855 REG_SET_AND_CHECK(E1000_RCTL, 0xFFFFFFFF, 0x00000000);
857 before = ((adapter->flags & FLAG_IS_ICH) ? 0x06C3B33E : 0x06DFB3FE);
858 REG_SET_AND_CHECK(E1000_RCTL, before, 0x003FFFFB);
859 REG_SET_AND_CHECK(E1000_TCTL, 0xFFFFFFFF, 0x00000000);
861 REG_SET_AND_CHECK(E1000_RCTL, before, 0xFFFFFFFF);
862 REG_PATTERN_TEST(E1000_RDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
863 if (!(adapter->flags & FLAG_IS_ICH))
864 REG_PATTERN_TEST(E1000_TXCW, 0xC000FFFF, 0x0000FFFF);
865 REG_PATTERN_TEST(E1000_TDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
866 REG_PATTERN_TEST(E1000_TIDV, 0x0000FFFF, 0x0000FFFF);
877 for (i = 0; i < mac->rar_entry_count; i++)
878 REG_PATTERN_TEST_ARRAY(E1000_RA, ((i << 1) + 1),
881 for (i = 0; i < mac->mta_reg_count; i++)
882 REG_PATTERN_TEST_ARRAY(E1000_MTA, i, 0xFFFFFFFF, 0xFFFFFFFF);
888 static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data)
895 /* Read and add up the contents of the EEPROM */
896 for (i = 0; i < (NVM_CHECKSUM_REG + 1); i++) {
897 if ((e1000_read_nvm(&adapter->hw, i, 1, &temp)) < 0) {
904 /* If Checksum is not Correct return error else test passed */
905 if ((checksum != (u16) NVM_SUM) && !(*data))
911 static irqreturn_t e1000_test_intr(int irq, void *data)
913 struct net_device *netdev = (struct net_device *) data;
914 struct e1000_adapter *adapter = netdev_priv(netdev);
915 struct e1000_hw *hw = &adapter->hw;
917 adapter->test_icr |= er32(ICR);
922 static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data)
924 struct net_device *netdev = adapter->netdev;
925 struct e1000_hw *hw = &adapter->hw;
928 u32 irq = adapter->pdev->irq;
931 int int_mode = E1000E_INT_MODE_LEGACY;
935 /* NOTE: we don't test MSI/MSI-X interrupts here, yet */
936 if (adapter->int_mode == E1000E_INT_MODE_MSIX) {
937 int_mode = adapter->int_mode;
938 e1000e_reset_interrupt_capability(adapter);
939 adapter->int_mode = E1000E_INT_MODE_LEGACY;
940 e1000e_set_interrupt_capability(adapter);
942 /* Hook up test interrupt handler just for this test */
943 if (!request_irq(irq, e1000_test_intr, IRQF_PROBE_SHARED, netdev->name,
946 } else if (request_irq(irq, e1000_test_intr, IRQF_SHARED,
947 netdev->name, netdev)) {
952 e_info("testing %s interrupt\n", (shared_int ? "shared" : "unshared"));
954 /* Disable all the interrupts */
955 ew32(IMC, 0xFFFFFFFF);
958 /* Test each interrupt */
959 for (i = 0; i < 10; i++) {
960 /* Interrupt to test */
963 if (adapter->flags & FLAG_IS_ICH) {
965 case E1000_ICR_RXSEQ:
968 if (adapter->hw.mac.type == e1000_ich8lan ||
969 adapter->hw.mac.type == e1000_ich9lan)
979 * Disable the interrupt to be reported in
980 * the cause register and then force the same
981 * interrupt and see if one gets posted. If
982 * an interrupt was posted to the bus, the
985 adapter->test_icr = 0;
990 if (adapter->test_icr & mask) {
997 * Enable the interrupt to be reported in
998 * the cause register and then force the same
999 * interrupt and see if one gets posted. If
1000 * an interrupt was not posted to the bus, the
1003 adapter->test_icr = 0;
1008 if (!(adapter->test_icr & mask)) {
1015 * Disable the other interrupts to be reported in
1016 * the cause register and then force the other
1017 * interrupts and see if any get posted. If
1018 * an interrupt was posted to the bus, the
1021 adapter->test_icr = 0;
1022 ew32(IMC, ~mask & 0x00007FFF);
1023 ew32(ICS, ~mask & 0x00007FFF);
1026 if (adapter->test_icr) {
1033 /* Disable all the interrupts */
1034 ew32(IMC, 0xFFFFFFFF);
1037 /* Unhook test interrupt handler */
1038 free_irq(irq, netdev);
1041 if (int_mode == E1000E_INT_MODE_MSIX) {
1042 e1000e_reset_interrupt_capability(adapter);
1043 adapter->int_mode = int_mode;
1044 e1000e_set_interrupt_capability(adapter);
1050 static void e1000_free_desc_rings(struct e1000_adapter *adapter)
1052 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1053 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1054 struct pci_dev *pdev = adapter->pdev;
1057 if (tx_ring->desc && tx_ring->buffer_info) {
1058 for (i = 0; i < tx_ring->count; i++) {
1059 if (tx_ring->buffer_info[i].dma)
1060 dma_unmap_single(&pdev->dev,
1061 tx_ring->buffer_info[i].dma,
1062 tx_ring->buffer_info[i].length,
1064 if (tx_ring->buffer_info[i].skb)
1065 dev_kfree_skb(tx_ring->buffer_info[i].skb);
1069 if (rx_ring->desc && rx_ring->buffer_info) {
1070 for (i = 0; i < rx_ring->count; i++) {
1071 if (rx_ring->buffer_info[i].dma)
1072 dma_unmap_single(&pdev->dev,
1073 rx_ring->buffer_info[i].dma,
1074 2048, DMA_FROM_DEVICE);
1075 if (rx_ring->buffer_info[i].skb)
1076 dev_kfree_skb(rx_ring->buffer_info[i].skb);
1080 if (tx_ring->desc) {
1081 dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc,
1083 tx_ring->desc = NULL;
1085 if (rx_ring->desc) {
1086 dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc,
1088 rx_ring->desc = NULL;
1091 kfree(tx_ring->buffer_info);
1092 tx_ring->buffer_info = NULL;
1093 kfree(rx_ring->buffer_info);
1094 rx_ring->buffer_info = NULL;
1097 static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
1099 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1100 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1101 struct pci_dev *pdev = adapter->pdev;
1102 struct e1000_hw *hw = &adapter->hw;
1107 /* Setup Tx descriptor ring and Tx buffers */
1109 if (!tx_ring->count)
1110 tx_ring->count = E1000_DEFAULT_TXD;
1112 tx_ring->buffer_info = kcalloc(tx_ring->count,
1113 sizeof(struct e1000_buffer),
1115 if (!(tx_ring->buffer_info)) {
1120 tx_ring->size = tx_ring->count * sizeof(struct e1000_tx_desc);
1121 tx_ring->size = ALIGN(tx_ring->size, 4096);
1122 tx_ring->desc = dma_alloc_coherent(&pdev->dev, tx_ring->size,
1123 &tx_ring->dma, GFP_KERNEL);
1124 if (!tx_ring->desc) {
1128 tx_ring->next_to_use = 0;
1129 tx_ring->next_to_clean = 0;
1131 ew32(TDBAL, ((u64) tx_ring->dma & 0x00000000FFFFFFFF));
1132 ew32(TDBAH, ((u64) tx_ring->dma >> 32));
1133 ew32(TDLEN, tx_ring->count * sizeof(struct e1000_tx_desc));
1136 ew32(TCTL, E1000_TCTL_PSP | E1000_TCTL_EN | E1000_TCTL_MULR |
1137 E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
1138 E1000_COLLISION_DISTANCE << E1000_COLD_SHIFT);
1140 for (i = 0; i < tx_ring->count; i++) {
1141 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*tx_ring, i);
1142 struct sk_buff *skb;
1143 unsigned int skb_size = 1024;
1145 skb = alloc_skb(skb_size, GFP_KERNEL);
1150 skb_put(skb, skb_size);
1151 tx_ring->buffer_info[i].skb = skb;
1152 tx_ring->buffer_info[i].length = skb->len;
1153 tx_ring->buffer_info[i].dma =
1154 dma_map_single(&pdev->dev, skb->data, skb->len,
1156 if (dma_mapping_error(&pdev->dev,
1157 tx_ring->buffer_info[i].dma)) {
1161 tx_desc->buffer_addr = cpu_to_le64(tx_ring->buffer_info[i].dma);
1162 tx_desc->lower.data = cpu_to_le32(skb->len);
1163 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
1164 E1000_TXD_CMD_IFCS |
1166 tx_desc->upper.data = 0;
1169 /* Setup Rx descriptor ring and Rx buffers */
1171 if (!rx_ring->count)
1172 rx_ring->count = E1000_DEFAULT_RXD;
1174 rx_ring->buffer_info = kcalloc(rx_ring->count,
1175 sizeof(struct e1000_buffer),
1177 if (!(rx_ring->buffer_info)) {
1182 rx_ring->size = rx_ring->count * sizeof(struct e1000_rx_desc);
1183 rx_ring->desc = dma_alloc_coherent(&pdev->dev, rx_ring->size,
1184 &rx_ring->dma, GFP_KERNEL);
1185 if (!rx_ring->desc) {
1189 rx_ring->next_to_use = 0;
1190 rx_ring->next_to_clean = 0;
1193 ew32(RCTL, rctl & ~E1000_RCTL_EN);
1194 ew32(RDBAL, ((u64) rx_ring->dma & 0xFFFFFFFF));
1195 ew32(RDBAH, ((u64) rx_ring->dma >> 32));
1196 ew32(RDLEN, rx_ring->size);
1199 rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
1200 E1000_RCTL_UPE | E1000_RCTL_MPE | E1000_RCTL_LPE |
1201 E1000_RCTL_SBP | E1000_RCTL_SECRC |
1202 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
1203 (adapter->hw.mac.mc_filter_type << E1000_RCTL_MO_SHIFT);
1206 for (i = 0; i < rx_ring->count; i++) {
1207 struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rx_ring, i);
1208 struct sk_buff *skb;
1210 skb = alloc_skb(2048 + NET_IP_ALIGN, GFP_KERNEL);
1215 skb_reserve(skb, NET_IP_ALIGN);
1216 rx_ring->buffer_info[i].skb = skb;
1217 rx_ring->buffer_info[i].dma =
1218 dma_map_single(&pdev->dev, skb->data, 2048,
1220 if (dma_mapping_error(&pdev->dev,
1221 rx_ring->buffer_info[i].dma)) {
1225 rx_desc->buffer_addr =
1226 cpu_to_le64(rx_ring->buffer_info[i].dma);
1227 memset(skb->data, 0x00, skb->len);
1233 e1000_free_desc_rings(adapter);
1237 static void e1000_phy_disable_receiver(struct e1000_adapter *adapter)
1239 /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1240 e1e_wphy(&adapter->hw, 29, 0x001F);
1241 e1e_wphy(&adapter->hw, 30, 0x8FFC);
1242 e1e_wphy(&adapter->hw, 29, 0x001A);
1243 e1e_wphy(&adapter->hw, 30, 0x8FF0);
1246 static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
1248 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 stat_reg = er32(STATUS);
1359 if ((stat_reg & E1000_STATUS_FD) == 0)
1360 ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
1363 ew32(CTRL, ctrl_reg);
1366 * Disable the receiver on the PHY so when a cable is plugged in, the
1367 * PHY does not begin to autoneg when a cable is reconnected to the NIC.
1369 if (hw->phy.type == e1000_phy_m88)
1370 e1000_phy_disable_receiver(adapter);
1377 static int e1000_set_82571_fiber_loopback(struct e1000_adapter *adapter)
1379 struct e1000_hw *hw = &adapter->hw;
1380 u32 ctrl = er32(CTRL);
1383 /* special requirements for 82571/82572 fiber adapters */
1386 * jump through hoops to make sure link is up because serdes
1387 * link is hardwired up
1389 ctrl |= E1000_CTRL_SLU;
1392 /* disable autoneg */
1397 link = (er32(STATUS) & E1000_STATUS_LU);
1400 /* set invert loss of signal */
1402 ctrl |= E1000_CTRL_ILOS;
1407 * special write to serdes control register to enable SerDes analog
1410 #define E1000_SERDES_LB_ON 0x410
1411 ew32(SCTL, E1000_SERDES_LB_ON);
1417 /* only call this for fiber/serdes connections to es2lan */
1418 static int e1000_set_es2lan_mac_loopback(struct e1000_adapter *adapter)
1420 struct e1000_hw *hw = &adapter->hw;
1421 u32 ctrlext = er32(CTRL_EXT);
1422 u32 ctrl = er32(CTRL);
1425 * save CTRL_EXT to restore later, reuse an empty variable (unused
1426 * on mac_type 80003es2lan)
1428 adapter->tx_fifo_head = ctrlext;
1430 /* clear the serdes mode bits, putting the device into mac loopback */
1431 ctrlext &= ~E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES;
1432 ew32(CTRL_EXT, ctrlext);
1434 /* force speed to 1000/FD, link up */
1435 ctrl &= ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100);
1436 ctrl |= (E1000_CTRL_SLU | E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX |
1437 E1000_CTRL_SPD_1000 | E1000_CTRL_FD);
1440 /* set mac loopback */
1442 ctrl |= E1000_RCTL_LBM_MAC;
1445 /* set testing mode parameters (no need to reset later) */
1446 #define KMRNCTRLSTA_OPMODE (0x1F << 16)
1447 #define KMRNCTRLSTA_OPMODE_1GB_FD_GMII 0x0582
1449 (KMRNCTRLSTA_OPMODE | KMRNCTRLSTA_OPMODE_1GB_FD_GMII));
1454 static int e1000_setup_loopback_test(struct e1000_adapter *adapter)
1456 struct e1000_hw *hw = &adapter->hw;
1459 if (hw->phy.media_type == e1000_media_type_fiber ||
1460 hw->phy.media_type == e1000_media_type_internal_serdes) {
1461 switch (hw->mac.type) {
1462 case e1000_80003es2lan:
1463 return e1000_set_es2lan_mac_loopback(adapter);
1467 return e1000_set_82571_fiber_loopback(adapter);
1471 rctl |= E1000_RCTL_LBM_TCVR;
1475 } else if (hw->phy.media_type == e1000_media_type_copper) {
1476 return e1000_integrated_phy_loopback(adapter);
1482 static void e1000_loopback_cleanup(struct e1000_adapter *adapter)
1484 struct e1000_hw *hw = &adapter->hw;
1489 rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
1492 switch (hw->mac.type) {
1493 case e1000_80003es2lan:
1494 if (hw->phy.media_type == e1000_media_type_fiber ||
1495 hw->phy.media_type == e1000_media_type_internal_serdes) {
1496 /* restore CTRL_EXT, stealing space from tx_fifo_head */
1497 ew32(CTRL_EXT, adapter->tx_fifo_head);
1498 adapter->tx_fifo_head = 0;
1503 if (hw->phy.media_type == e1000_media_type_fiber ||
1504 hw->phy.media_type == e1000_media_type_internal_serdes) {
1505 #define E1000_SERDES_LB_OFF 0x400
1506 ew32(SCTL, E1000_SERDES_LB_OFF);
1512 hw->mac.autoneg = 1;
1513 if (hw->phy.type == e1000_phy_gg82563)
1514 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x180);
1515 e1e_rphy(hw, PHY_CONTROL, &phy_reg);
1516 if (phy_reg & MII_CR_LOOPBACK) {
1517 phy_reg &= ~MII_CR_LOOPBACK;
1518 e1e_wphy(hw, PHY_CONTROL, phy_reg);
1519 e1000e_commit_phy(hw);
1525 static void e1000_create_lbtest_frame(struct sk_buff *skb,
1526 unsigned int frame_size)
1528 memset(skb->data, 0xFF, frame_size);
1530 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1531 memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
1532 memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
1535 static int e1000_check_lbtest_frame(struct sk_buff *skb,
1536 unsigned int frame_size)
1539 if (*(skb->data + 3) == 0xFF)
1540 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
1541 (*(skb->data + frame_size / 2 + 12) == 0xAF))
1546 static int e1000_run_loopback_test(struct e1000_adapter *adapter)
1548 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1549 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1550 struct pci_dev *pdev = adapter->pdev;
1551 struct e1000_hw *hw = &adapter->hw;
1558 ew32(RDT, rx_ring->count - 1);
1561 * Calculate the loop count based on the largest descriptor ring
1562 * The idea is to wrap the largest ring a number of times using 64
1563 * send/receive pairs during each loop
1566 if (rx_ring->count <= tx_ring->count)
1567 lc = ((tx_ring->count / 64) * 2) + 1;
1569 lc = ((rx_ring->count / 64) * 2) + 1;
1573 for (j = 0; j <= lc; j++) { /* loop count loop */
1574 for (i = 0; i < 64; i++) { /* send the packets */
1575 e1000_create_lbtest_frame(tx_ring->buffer_info[k].skb,
1577 dma_sync_single_for_device(&pdev->dev,
1578 tx_ring->buffer_info[k].dma,
1579 tx_ring->buffer_info[k].length,
1582 if (k == tx_ring->count)
1587 time = jiffies; /* set the start time for the receive */
1589 do { /* receive the sent packets */
1590 dma_sync_single_for_cpu(&pdev->dev,
1591 rx_ring->buffer_info[l].dma, 2048,
1594 ret_val = e1000_check_lbtest_frame(
1595 rx_ring->buffer_info[l].skb, 1024);
1599 if (l == rx_ring->count)
1602 * time + 20 msecs (200 msecs on 2.4) is more than
1603 * enough time to complete the receives, if it's
1604 * exceeded, break and error off
1606 } while ((good_cnt < 64) && !time_after(jiffies, time + 20));
1607 if (good_cnt != 64) {
1608 ret_val = 13; /* ret_val is the same as mis-compare */
1611 if (jiffies >= (time + 20)) {
1612 ret_val = 14; /* error code for time out error */
1615 } /* end loop count loop */
1619 static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data)
1622 * PHY loopback cannot be performed if SoL/IDER
1623 * sessions are active
1625 if (e1000_check_reset_block(&adapter->hw)) {
1626 e_err("Cannot do PHY loopback test when SoL/IDER is active.\n");
1631 *data = e1000_setup_desc_rings(adapter);
1635 *data = e1000_setup_loopback_test(adapter);
1639 *data = e1000_run_loopback_test(adapter);
1640 e1000_loopback_cleanup(adapter);
1643 e1000_free_desc_rings(adapter);
1648 static int e1000_link_test(struct e1000_adapter *adapter, u64 *data)
1650 struct e1000_hw *hw = &adapter->hw;
1653 if (hw->phy.media_type == e1000_media_type_internal_serdes) {
1655 hw->mac.serdes_has_link = false;
1658 * On some blade server designs, link establishment
1659 * could take as long as 2-3 minutes
1662 hw->mac.ops.check_for_link(hw);
1663 if (hw->mac.serdes_has_link)
1666 } while (i++ < 3750);
1670 hw->mac.ops.check_for_link(hw);
1671 if (hw->mac.autoneg)
1674 if (!(er32(STATUS) &
1681 static int e1000e_get_sset_count(struct net_device *netdev, int sset)
1685 return E1000_TEST_LEN;
1687 return E1000_STATS_LEN;
1693 static void e1000_diag_test(struct net_device *netdev,
1694 struct ethtool_test *eth_test, u64 *data)
1696 struct e1000_adapter *adapter = netdev_priv(netdev);
1697 u16 autoneg_advertised;
1698 u8 forced_speed_duplex;
1700 bool if_running = netif_running(netdev);
1702 set_bit(__E1000_TESTING, &adapter->state);
1703 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1706 /* save speed, duplex, autoneg settings */
1707 autoneg_advertised = adapter->hw.phy.autoneg_advertised;
1708 forced_speed_duplex = adapter->hw.mac.forced_speed_duplex;
1709 autoneg = adapter->hw.mac.autoneg;
1711 e_info("offline testing starting\n");
1714 /* indicate we're in test mode */
1717 e1000e_reset(adapter);
1719 if (e1000_reg_test(adapter, &data[0]))
1720 eth_test->flags |= ETH_TEST_FL_FAILED;
1722 e1000e_reset(adapter);
1723 if (e1000_eeprom_test(adapter, &data[1]))
1724 eth_test->flags |= ETH_TEST_FL_FAILED;
1726 e1000e_reset(adapter);
1727 if (e1000_intr_test(adapter, &data[2]))
1728 eth_test->flags |= ETH_TEST_FL_FAILED;
1730 e1000e_reset(adapter);
1731 /* make sure the phy is powered up */
1732 e1000e_power_up_phy(adapter);
1733 if (e1000_loopback_test(adapter, &data[3]))
1734 eth_test->flags |= ETH_TEST_FL_FAILED;
1736 /* force this routine to wait until autoneg complete/timeout */
1737 adapter->hw.phy.autoneg_wait_to_complete = 1;
1738 e1000e_reset(adapter);
1739 adapter->hw.phy.autoneg_wait_to_complete = 0;
1741 if (e1000_link_test(adapter, &data[4]))
1742 eth_test->flags |= ETH_TEST_FL_FAILED;
1744 /* restore speed, duplex, autoneg settings */
1745 adapter->hw.phy.autoneg_advertised = autoneg_advertised;
1746 adapter->hw.mac.forced_speed_duplex = forced_speed_duplex;
1747 adapter->hw.mac.autoneg = autoneg;
1748 e1000e_reset(adapter);
1750 clear_bit(__E1000_TESTING, &adapter->state);
1754 if (!if_running && (adapter->flags & FLAG_HAS_AMT)) {
1755 clear_bit(__E1000_TESTING, &adapter->state);
1757 set_bit(__E1000_TESTING, &adapter->state);
1760 e_info("online testing starting\n");
1762 if (e1000_link_test(adapter, &data[4]))
1763 eth_test->flags |= ETH_TEST_FL_FAILED;
1765 /* Online tests aren't run; pass by default */
1771 if (!if_running && (adapter->flags & FLAG_HAS_AMT))
1774 clear_bit(__E1000_TESTING, &adapter->state);
1776 msleep_interruptible(4 * 1000);
1779 static void e1000_get_wol(struct net_device *netdev,
1780 struct ethtool_wolinfo *wol)
1782 struct e1000_adapter *adapter = netdev_priv(netdev);
1787 if (!(adapter->flags & FLAG_HAS_WOL) ||
1788 !device_can_wakeup(&adapter->pdev->dev))
1791 wol->supported = WAKE_UCAST | WAKE_MCAST |
1792 WAKE_BCAST | WAKE_MAGIC |
1793 WAKE_PHY | WAKE_ARP;
1795 /* apply any specific unsupported masks here */
1796 if (adapter->flags & FLAG_NO_WAKE_UCAST) {
1797 wol->supported &= ~WAKE_UCAST;
1799 if (adapter->wol & E1000_WUFC_EX)
1800 e_err("Interface does not support directed (unicast) "
1801 "frame wake-up packets\n");
1804 if (adapter->wol & E1000_WUFC_EX)
1805 wol->wolopts |= WAKE_UCAST;
1806 if (adapter->wol & E1000_WUFC_MC)
1807 wol->wolopts |= WAKE_MCAST;
1808 if (adapter->wol & E1000_WUFC_BC)
1809 wol->wolopts |= WAKE_BCAST;
1810 if (adapter->wol & E1000_WUFC_MAG)
1811 wol->wolopts |= WAKE_MAGIC;
1812 if (adapter->wol & E1000_WUFC_LNKC)
1813 wol->wolopts |= WAKE_PHY;
1814 if (adapter->wol & E1000_WUFC_ARP)
1815 wol->wolopts |= WAKE_ARP;
1818 static int e1000_set_wol(struct net_device *netdev,
1819 struct ethtool_wolinfo *wol)
1821 struct e1000_adapter *adapter = netdev_priv(netdev);
1823 if (!(adapter->flags & FLAG_HAS_WOL) ||
1824 !device_can_wakeup(&adapter->pdev->dev) ||
1825 (wol->wolopts & ~(WAKE_UCAST | WAKE_MCAST | WAKE_BCAST |
1826 WAKE_MAGIC | WAKE_PHY | WAKE_ARP)))
1829 /* these settings will always override what we currently have */
1832 if (wol->wolopts & WAKE_UCAST)
1833 adapter->wol |= E1000_WUFC_EX;
1834 if (wol->wolopts & WAKE_MCAST)
1835 adapter->wol |= E1000_WUFC_MC;
1836 if (wol->wolopts & WAKE_BCAST)
1837 adapter->wol |= E1000_WUFC_BC;
1838 if (wol->wolopts & WAKE_MAGIC)
1839 adapter->wol |= E1000_WUFC_MAG;
1840 if (wol->wolopts & WAKE_PHY)
1841 adapter->wol |= E1000_WUFC_LNKC;
1842 if (wol->wolopts & WAKE_ARP)
1843 adapter->wol |= E1000_WUFC_ARP;
1845 device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
1850 /* toggle LED 4 times per second = 2 "blinks" per second */
1851 #define E1000_ID_INTERVAL (HZ/4)
1853 /* bit defines for adapter->led_status */
1854 #define E1000_LED_ON 0
1856 void e1000e_led_blink_task(struct work_struct *work)
1858 struct e1000_adapter *adapter = container_of(work,
1859 struct e1000_adapter, led_blink_task);
1861 if (test_and_change_bit(E1000_LED_ON, &adapter->led_status))
1862 adapter->hw.mac.ops.led_off(&adapter->hw);
1864 adapter->hw.mac.ops.led_on(&adapter->hw);
1867 static void e1000_led_blink_callback(unsigned long data)
1869 struct e1000_adapter *adapter = (struct e1000_adapter *) data;
1871 schedule_work(&adapter->led_blink_task);
1872 mod_timer(&adapter->blink_timer, jiffies + E1000_ID_INTERVAL);
1875 static int e1000_phys_id(struct net_device *netdev, u32 data)
1877 struct e1000_adapter *adapter = netdev_priv(netdev);
1878 struct e1000_hw *hw = &adapter->hw;
1883 if ((hw->phy.type == e1000_phy_ife) ||
1884 (hw->mac.type == e1000_pchlan) ||
1885 (hw->mac.type == e1000_pch2lan) ||
1886 (hw->mac.type == e1000_82583) ||
1887 (hw->mac.type == e1000_82574)) {
1888 if (!adapter->blink_timer.function) {
1889 init_timer(&adapter->blink_timer);
1890 adapter->blink_timer.function =
1891 e1000_led_blink_callback;
1892 adapter->blink_timer.data = (unsigned long) adapter;
1894 mod_timer(&adapter->blink_timer, jiffies);
1895 msleep_interruptible(data * 1000);
1896 del_timer_sync(&adapter->blink_timer);
1897 if (hw->phy.type == e1000_phy_ife)
1898 e1e_wphy(hw, IFE_PHY_SPECIAL_CONTROL_LED, 0);
1900 e1000e_blink_led(hw);
1901 msleep_interruptible(data * 1000);
1904 hw->mac.ops.led_off(hw);
1905 clear_bit(E1000_LED_ON, &adapter->led_status);
1906 hw->mac.ops.cleanup_led(hw);
1911 static int e1000_get_coalesce(struct net_device *netdev,
1912 struct ethtool_coalesce *ec)
1914 struct e1000_adapter *adapter = netdev_priv(netdev);
1916 if (adapter->itr_setting <= 4)
1917 ec->rx_coalesce_usecs = adapter->itr_setting;
1919 ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting;
1924 static int e1000_set_coalesce(struct net_device *netdev,
1925 struct ethtool_coalesce *ec)
1927 struct e1000_adapter *adapter = netdev_priv(netdev);
1928 struct e1000_hw *hw = &adapter->hw;
1930 if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) ||
1931 ((ec->rx_coalesce_usecs > 4) &&
1932 (ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) ||
1933 (ec->rx_coalesce_usecs == 2))
1936 if (ec->rx_coalesce_usecs == 4) {
1937 adapter->itr = adapter->itr_setting = 4;
1938 } else if (ec->rx_coalesce_usecs <= 3) {
1939 adapter->itr = 20000;
1940 adapter->itr_setting = ec->rx_coalesce_usecs;
1942 adapter->itr = (1000000 / ec->rx_coalesce_usecs);
1943 adapter->itr_setting = adapter->itr & ~3;
1946 if (adapter->itr_setting != 0)
1947 ew32(ITR, 1000000000 / (adapter->itr * 256));
1954 static int e1000_nway_reset(struct net_device *netdev)
1956 struct e1000_adapter *adapter = netdev_priv(netdev);
1957 if (netif_running(netdev))
1958 e1000e_reinit_locked(adapter);
1962 static void e1000_get_ethtool_stats(struct net_device *netdev,
1963 struct ethtool_stats *stats,
1966 struct e1000_adapter *adapter = netdev_priv(netdev);
1970 e1000e_update_stats(adapter);
1971 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1972 switch (e1000_gstrings_stats[i].type) {
1974 p = (char *) netdev +
1975 e1000_gstrings_stats[i].stat_offset;
1978 p = (char *) adapter +
1979 e1000_gstrings_stats[i].stat_offset;
1986 data[i] = (e1000_gstrings_stats[i].sizeof_stat ==
1987 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1991 static void e1000_get_strings(struct net_device *netdev, u32 stringset,
1997 switch (stringset) {
1999 memcpy(data, *e1000_gstrings_test, sizeof(e1000_gstrings_test));
2002 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
2003 memcpy(p, e1000_gstrings_stats[i].stat_string,
2005 p += ETH_GSTRING_LEN;
2011 static const struct ethtool_ops e1000_ethtool_ops = {
2012 .get_settings = e1000_get_settings,
2013 .set_settings = e1000_set_settings,
2014 .get_drvinfo = e1000_get_drvinfo,
2015 .get_regs_len = e1000_get_regs_len,
2016 .get_regs = e1000_get_regs,
2017 .get_wol = e1000_get_wol,
2018 .set_wol = e1000_set_wol,
2019 .get_msglevel = e1000_get_msglevel,
2020 .set_msglevel = e1000_set_msglevel,
2021 .nway_reset = e1000_nway_reset,
2022 .get_link = ethtool_op_get_link,
2023 .get_eeprom_len = e1000_get_eeprom_len,
2024 .get_eeprom = e1000_get_eeprom,
2025 .set_eeprom = e1000_set_eeprom,
2026 .get_ringparam = e1000_get_ringparam,
2027 .set_ringparam = e1000_set_ringparam,
2028 .get_pauseparam = e1000_get_pauseparam,
2029 .set_pauseparam = e1000_set_pauseparam,
2030 .get_rx_csum = e1000_get_rx_csum,
2031 .set_rx_csum = e1000_set_rx_csum,
2032 .get_tx_csum = e1000_get_tx_csum,
2033 .set_tx_csum = e1000_set_tx_csum,
2034 .get_sg = ethtool_op_get_sg,
2035 .set_sg = ethtool_op_set_sg,
2036 .get_tso = ethtool_op_get_tso,
2037 .set_tso = e1000_set_tso,
2038 .self_test = e1000_diag_test,
2039 .get_strings = e1000_get_strings,
2040 .phys_id = e1000_phys_id,
2041 .get_ethtool_stats = e1000_get_ethtool_stats,
2042 .get_sset_count = e1000e_get_sset_count,
2043 .get_coalesce = e1000_get_coalesce,
2044 .set_coalesce = e1000_set_coalesce,
2045 .get_flags = ethtool_op_get_flags,
2048 void e1000e_set_ethtool_ops(struct net_device *netdev)
2050 SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops);