1 /*******************************************************************************
3 Intel PRO/1000 Linux driver
4 Copyright(c) 1999 - 2008 Intel Corporation.
6 This program is free software; you can redistribute it and/or modify it
7 under the terms and conditions of the GNU General Public License,
8 version 2, as published by the Free Software Foundation.
10 This program is distributed in the hope it will be useful, but WITHOUT
11 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
15 You should have received a copy of the GNU General Public License along with
16 this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
19 The full GNU General Public License is included in this distribution in
20 the file called "COPYING".
23 Linux NICS <linux.nics@intel.com>
24 e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
25 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
27 *******************************************************************************/
29 /* ethtool support for e1000 */
31 #include <linux/netdevice.h>
32 #include <linux/ethtool.h>
33 #include <linux/pci.h>
34 #include <linux/delay.h>
39 char stat_string[ETH_GSTRING_LEN];
44 #define E1000_STAT(m) sizeof(((struct e1000_adapter *)0)->m), \
45 offsetof(struct e1000_adapter, m)
46 static const struct e1000_stats e1000_gstrings_stats[] = {
47 { "rx_packets", E1000_STAT(stats.gprc) },
48 { "tx_packets", E1000_STAT(stats.gptc) },
49 { "rx_bytes", E1000_STAT(stats.gorc) },
50 { "tx_bytes", E1000_STAT(stats.gotc) },
51 { "rx_broadcast", E1000_STAT(stats.bprc) },
52 { "tx_broadcast", E1000_STAT(stats.bptc) },
53 { "rx_multicast", E1000_STAT(stats.mprc) },
54 { "tx_multicast", E1000_STAT(stats.mptc) },
55 { "rx_errors", E1000_STAT(net_stats.rx_errors) },
56 { "tx_errors", E1000_STAT(net_stats.tx_errors) },
57 { "tx_dropped", E1000_STAT(net_stats.tx_dropped) },
58 { "multicast", E1000_STAT(stats.mprc) },
59 { "collisions", E1000_STAT(stats.colc) },
60 { "rx_length_errors", E1000_STAT(net_stats.rx_length_errors) },
61 { "rx_over_errors", E1000_STAT(net_stats.rx_over_errors) },
62 { "rx_crc_errors", E1000_STAT(stats.crcerrs) },
63 { "rx_frame_errors", E1000_STAT(net_stats.rx_frame_errors) },
64 { "rx_no_buffer_count", E1000_STAT(stats.rnbc) },
65 { "rx_missed_errors", E1000_STAT(stats.mpc) },
66 { "tx_aborted_errors", E1000_STAT(stats.ecol) },
67 { "tx_carrier_errors", E1000_STAT(stats.tncrs) },
68 { "tx_fifo_errors", E1000_STAT(net_stats.tx_fifo_errors) },
69 { "tx_heartbeat_errors", E1000_STAT(net_stats.tx_heartbeat_errors) },
70 { "tx_window_errors", E1000_STAT(stats.latecol) },
71 { "tx_abort_late_coll", E1000_STAT(stats.latecol) },
72 { "tx_deferred_ok", E1000_STAT(stats.dc) },
73 { "tx_single_coll_ok", E1000_STAT(stats.scc) },
74 { "tx_multi_coll_ok", E1000_STAT(stats.mcc) },
75 { "tx_timeout_count", E1000_STAT(tx_timeout_count) },
76 { "tx_restart_queue", E1000_STAT(restart_queue) },
77 { "rx_long_length_errors", E1000_STAT(stats.roc) },
78 { "rx_short_length_errors", E1000_STAT(stats.ruc) },
79 { "rx_align_errors", E1000_STAT(stats.algnerrc) },
80 { "tx_tcp_seg_good", E1000_STAT(stats.tsctc) },
81 { "tx_tcp_seg_failed", E1000_STAT(stats.tsctfc) },
82 { "rx_flow_control_xon", E1000_STAT(stats.xonrxc) },
83 { "rx_flow_control_xoff", E1000_STAT(stats.xoffrxc) },
84 { "tx_flow_control_xon", E1000_STAT(stats.xontxc) },
85 { "tx_flow_control_xoff", E1000_STAT(stats.xofftxc) },
86 { "rx_long_byte_count", E1000_STAT(stats.gorc) },
87 { "rx_csum_offload_good", E1000_STAT(hw_csum_good) },
88 { "rx_csum_offload_errors", E1000_STAT(hw_csum_err) },
89 { "rx_header_split", E1000_STAT(rx_hdr_split) },
90 { "alloc_rx_buff_failed", E1000_STAT(alloc_rx_buff_failed) },
91 { "tx_smbus", E1000_STAT(stats.mgptc) },
92 { "rx_smbus", E1000_STAT(stats.mgprc) },
93 { "dropped_smbus", E1000_STAT(stats.mgpdc) },
94 { "rx_dma_failed", E1000_STAT(rx_dma_failed) },
95 { "tx_dma_failed", E1000_STAT(tx_dma_failed) },
98 #define E1000_GLOBAL_STATS_LEN ARRAY_SIZE(e1000_gstrings_stats)
99 #define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN)
100 static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = {
101 "Register test (offline)", "Eeprom test (offline)",
102 "Interrupt test (offline)", "Loopback test (offline)",
103 "Link test (on/offline)"
105 #define E1000_TEST_LEN ARRAY_SIZE(e1000_gstrings_test)
107 static int e1000_get_settings(struct net_device *netdev,
108 struct ethtool_cmd *ecmd)
110 struct e1000_adapter *adapter = netdev_priv(netdev);
111 struct e1000_hw *hw = &adapter->hw;
114 if (hw->phy.media_type == e1000_media_type_copper) {
116 ecmd->supported = (SUPPORTED_10baseT_Half |
117 SUPPORTED_10baseT_Full |
118 SUPPORTED_100baseT_Half |
119 SUPPORTED_100baseT_Full |
120 SUPPORTED_1000baseT_Full |
123 if (hw->phy.type == e1000_phy_ife)
124 ecmd->supported &= ~SUPPORTED_1000baseT_Full;
125 ecmd->advertising = ADVERTISED_TP;
127 if (hw->mac.autoneg == 1) {
128 ecmd->advertising |= ADVERTISED_Autoneg;
129 /* the e1000 autoneg seems to match ethtool nicely */
130 ecmd->advertising |= hw->phy.autoneg_advertised;
133 ecmd->port = PORT_TP;
134 ecmd->phy_address = hw->phy.addr;
135 ecmd->transceiver = XCVR_INTERNAL;
138 ecmd->supported = (SUPPORTED_1000baseT_Full |
142 ecmd->advertising = (ADVERTISED_1000baseT_Full |
146 ecmd->port = PORT_FIBRE;
147 ecmd->transceiver = XCVR_EXTERNAL;
150 status = er32(STATUS);
151 if (status & E1000_STATUS_LU) {
152 if (status & E1000_STATUS_SPEED_1000)
154 else if (status & E1000_STATUS_SPEED_100)
159 if (status & E1000_STATUS_FD)
160 ecmd->duplex = DUPLEX_FULL;
162 ecmd->duplex = DUPLEX_HALF;
168 ecmd->autoneg = ((hw->phy.media_type == e1000_media_type_fiber) ||
169 hw->mac.autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE;
173 static u32 e1000_get_link(struct net_device *netdev)
175 struct e1000_adapter *adapter = netdev_priv(netdev);
176 struct e1000_hw *hw = &adapter->hw;
179 status = er32(STATUS);
180 return (status & E1000_STATUS_LU) ? 1 : 0;
183 static int e1000_set_spd_dplx(struct e1000_adapter *adapter, u16 spddplx)
185 struct e1000_mac_info *mac = &adapter->hw.mac;
189 /* Fiber NICs only allow 1000 gbps Full duplex */
190 if ((adapter->hw.phy.media_type == e1000_media_type_fiber) &&
191 spddplx != (SPEED_1000 + DUPLEX_FULL)) {
192 e_err("Unsupported Speed/Duplex configuration\n");
197 case SPEED_10 + DUPLEX_HALF:
198 mac->forced_speed_duplex = ADVERTISE_10_HALF;
200 case SPEED_10 + DUPLEX_FULL:
201 mac->forced_speed_duplex = ADVERTISE_10_FULL;
203 case SPEED_100 + DUPLEX_HALF:
204 mac->forced_speed_duplex = ADVERTISE_100_HALF;
206 case SPEED_100 + DUPLEX_FULL:
207 mac->forced_speed_duplex = ADVERTISE_100_FULL;
209 case SPEED_1000 + DUPLEX_FULL:
211 adapter->hw.phy.autoneg_advertised = ADVERTISE_1000_FULL;
213 case SPEED_1000 + DUPLEX_HALF: /* not supported */
215 e_err("Unsupported Speed/Duplex configuration\n");
221 static int e1000_set_settings(struct net_device *netdev,
222 struct ethtool_cmd *ecmd)
224 struct e1000_adapter *adapter = netdev_priv(netdev);
225 struct e1000_hw *hw = &adapter->hw;
228 * When SoL/IDER sessions are active, autoneg/speed/duplex
231 if (e1000_check_reset_block(hw)) {
232 e_err("Cannot change link characteristics when SoL/IDER is "
237 while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
240 if (ecmd->autoneg == AUTONEG_ENABLE) {
242 if (hw->phy.media_type == e1000_media_type_fiber)
243 hw->phy.autoneg_advertised = ADVERTISED_1000baseT_Full |
247 hw->phy.autoneg_advertised = ecmd->advertising |
250 ecmd->advertising = hw->phy.autoneg_advertised;
251 if (adapter->fc_autoneg)
252 hw->fc.original_type = e1000_fc_default;
254 if (e1000_set_spd_dplx(adapter, ecmd->speed + ecmd->duplex)) {
255 clear_bit(__E1000_RESETTING, &adapter->state);
262 if (netif_running(adapter->netdev)) {
263 e1000e_down(adapter);
266 e1000e_reset(adapter);
269 clear_bit(__E1000_RESETTING, &adapter->state);
273 static void e1000_get_pauseparam(struct net_device *netdev,
274 struct ethtool_pauseparam *pause)
276 struct e1000_adapter *adapter = netdev_priv(netdev);
277 struct e1000_hw *hw = &adapter->hw;
280 (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE);
282 if (hw->fc.type == e1000_fc_rx_pause) {
284 } else if (hw->fc.type == e1000_fc_tx_pause) {
286 } else if (hw->fc.type == e1000_fc_full) {
292 static int e1000_set_pauseparam(struct net_device *netdev,
293 struct ethtool_pauseparam *pause)
295 struct e1000_adapter *adapter = netdev_priv(netdev);
296 struct e1000_hw *hw = &adapter->hw;
299 adapter->fc_autoneg = pause->autoneg;
301 while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
304 if (pause->rx_pause && pause->tx_pause)
305 hw->fc.type = e1000_fc_full;
306 else if (pause->rx_pause && !pause->tx_pause)
307 hw->fc.type = e1000_fc_rx_pause;
308 else if (!pause->rx_pause && pause->tx_pause)
309 hw->fc.type = e1000_fc_tx_pause;
310 else if (!pause->rx_pause && !pause->tx_pause)
311 hw->fc.type = e1000_fc_none;
313 hw->fc.original_type = hw->fc.type;
315 if (adapter->fc_autoneg == AUTONEG_ENABLE) {
316 hw->fc.type = e1000_fc_default;
317 if (netif_running(adapter->netdev)) {
318 e1000e_down(adapter);
321 e1000e_reset(adapter);
324 retval = ((hw->phy.media_type == e1000_media_type_fiber) ?
325 hw->mac.ops.setup_link(hw) : e1000e_force_mac_fc(hw));
328 clear_bit(__E1000_RESETTING, &adapter->state);
332 static u32 e1000_get_rx_csum(struct net_device *netdev)
334 struct e1000_adapter *adapter = netdev_priv(netdev);
335 return (adapter->flags & FLAG_RX_CSUM_ENABLED);
338 static int e1000_set_rx_csum(struct net_device *netdev, u32 data)
340 struct e1000_adapter *adapter = netdev_priv(netdev);
343 adapter->flags |= FLAG_RX_CSUM_ENABLED;
345 adapter->flags &= ~FLAG_RX_CSUM_ENABLED;
347 if (netif_running(netdev))
348 e1000e_reinit_locked(adapter);
350 e1000e_reset(adapter);
354 static u32 e1000_get_tx_csum(struct net_device *netdev)
356 return ((netdev->features & NETIF_F_HW_CSUM) != 0);
359 static int e1000_set_tx_csum(struct net_device *netdev, u32 data)
362 netdev->features |= NETIF_F_HW_CSUM;
364 netdev->features &= ~NETIF_F_HW_CSUM;
369 static int e1000_set_tso(struct net_device *netdev, u32 data)
371 struct e1000_adapter *adapter = netdev_priv(netdev);
374 netdev->features |= NETIF_F_TSO;
375 netdev->features |= NETIF_F_TSO6;
377 netdev->features &= ~NETIF_F_TSO;
378 netdev->features &= ~NETIF_F_TSO6;
381 e_info("TSO is %s\n", data ? "Enabled" : "Disabled");
382 adapter->flags |= FLAG_TSO_FORCE;
386 static u32 e1000_get_msglevel(struct net_device *netdev)
388 struct e1000_adapter *adapter = netdev_priv(netdev);
389 return adapter->msg_enable;
392 static void e1000_set_msglevel(struct net_device *netdev, u32 data)
394 struct e1000_adapter *adapter = netdev_priv(netdev);
395 adapter->msg_enable = data;
398 static int e1000_get_regs_len(struct net_device *netdev)
400 #define E1000_REGS_LEN 32 /* overestimate */
401 return E1000_REGS_LEN * sizeof(u32);
404 static void e1000_get_regs(struct net_device *netdev,
405 struct ethtool_regs *regs, void *p)
407 struct e1000_adapter *adapter = netdev_priv(netdev);
408 struct e1000_hw *hw = &adapter->hw;
413 memset(p, 0, E1000_REGS_LEN * sizeof(u32));
415 pci_read_config_byte(adapter->pdev, PCI_REVISION_ID, &revision_id);
417 regs->version = (1 << 24) | (revision_id << 16) | adapter->pdev->device;
419 regs_buff[0] = er32(CTRL);
420 regs_buff[1] = er32(STATUS);
422 regs_buff[2] = er32(RCTL);
423 regs_buff[3] = er32(RDLEN);
424 regs_buff[4] = er32(RDH);
425 regs_buff[5] = er32(RDT);
426 regs_buff[6] = er32(RDTR);
428 regs_buff[7] = er32(TCTL);
429 regs_buff[8] = er32(TDLEN);
430 regs_buff[9] = er32(TDH);
431 regs_buff[10] = er32(TDT);
432 regs_buff[11] = er32(TIDV);
434 regs_buff[12] = adapter->hw.phy.type; /* PHY type (IGP=1, M88=0) */
435 if (hw->phy.type == e1000_phy_m88) {
436 e1e_rphy(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
437 regs_buff[13] = (u32)phy_data; /* cable length */
438 regs_buff[14] = 0; /* Dummy (to align w/ IGP phy reg dump) */
439 regs_buff[15] = 0; /* Dummy (to align w/ IGP phy reg dump) */
440 regs_buff[16] = 0; /* Dummy (to align w/ IGP phy reg dump) */
441 e1e_rphy(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
442 regs_buff[17] = (u32)phy_data; /* extended 10bt distance */
443 regs_buff[18] = regs_buff[13]; /* cable polarity */
444 regs_buff[19] = 0; /* Dummy (to align w/ IGP phy reg dump) */
445 regs_buff[20] = regs_buff[17]; /* polarity correction */
446 /* phy receive errors */
447 regs_buff[22] = adapter->phy_stats.receive_errors;
448 regs_buff[23] = regs_buff[13]; /* mdix mode */
450 regs_buff[21] = adapter->phy_stats.idle_errors; /* phy idle errors */
451 e1e_rphy(hw, PHY_1000T_STATUS, &phy_data);
452 regs_buff[24] = (u32)phy_data; /* phy local receiver status */
453 regs_buff[25] = regs_buff[24]; /* phy remote receiver status */
456 static int e1000_get_eeprom_len(struct net_device *netdev)
458 struct e1000_adapter *adapter = netdev_priv(netdev);
459 return adapter->hw.nvm.word_size * 2;
462 static int e1000_get_eeprom(struct net_device *netdev,
463 struct ethtool_eeprom *eeprom, u8 *bytes)
465 struct e1000_adapter *adapter = netdev_priv(netdev);
466 struct e1000_hw *hw = &adapter->hw;
473 if (eeprom->len == 0)
476 eeprom->magic = adapter->pdev->vendor | (adapter->pdev->device << 16);
478 first_word = eeprom->offset >> 1;
479 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
481 eeprom_buff = kmalloc(sizeof(u16) *
482 (last_word - first_word + 1), GFP_KERNEL);
486 if (hw->nvm.type == e1000_nvm_eeprom_spi) {
487 ret_val = e1000_read_nvm(hw, first_word,
488 last_word - first_word + 1,
491 for (i = 0; i < last_word - first_word + 1; i++) {
492 ret_val = e1000_read_nvm(hw, first_word + i, 1,
495 /* a read error occurred, throw away the
497 memset(eeprom_buff, 0xff, sizeof(eeprom_buff));
503 /* Device's eeprom is always little-endian, word addressable */
504 for (i = 0; i < last_word - first_word + 1; i++)
505 le16_to_cpus(&eeprom_buff[i]);
507 memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
513 static int e1000_set_eeprom(struct net_device *netdev,
514 struct ethtool_eeprom *eeprom, u8 *bytes)
516 struct e1000_adapter *adapter = netdev_priv(netdev);
517 struct e1000_hw *hw = &adapter->hw;
526 if (eeprom->len == 0)
529 if (eeprom->magic != (adapter->pdev->vendor | (adapter->pdev->device << 16)))
532 max_len = hw->nvm.word_size * 2;
534 first_word = eeprom->offset >> 1;
535 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
536 eeprom_buff = kmalloc(max_len, GFP_KERNEL);
540 ptr = (void *)eeprom_buff;
542 if (eeprom->offset & 1) {
543 /* need read/modify/write of first changed EEPROM word */
544 /* only the second byte of the word is being modified */
545 ret_val = e1000_read_nvm(hw, first_word, 1, &eeprom_buff[0]);
548 if (((eeprom->offset + eeprom->len) & 1) && (ret_val == 0))
549 /* need read/modify/write of last changed EEPROM word */
550 /* only the first byte of the word is being modified */
551 ret_val = e1000_read_nvm(hw, last_word, 1,
552 &eeprom_buff[last_word - first_word]);
554 /* Device's eeprom is always little-endian, word addressable */
555 for (i = 0; i < last_word - first_word + 1; i++)
556 le16_to_cpus(&eeprom_buff[i]);
558 memcpy(ptr, bytes, eeprom->len);
560 for (i = 0; i < last_word - first_word + 1; i++)
561 eeprom_buff[i] = cpu_to_le16(eeprom_buff[i]);
563 ret_val = e1000_write_nvm(hw, first_word,
564 last_word - first_word + 1, eeprom_buff);
567 * Update the checksum over the first part of the EEPROM if needed
568 * and flush shadow RAM for 82573 controllers
570 if ((ret_val == 0) && ((first_word <= NVM_CHECKSUM_REG) ||
571 (hw->mac.type == e1000_82573)))
572 e1000e_update_nvm_checksum(hw);
578 static void e1000_get_drvinfo(struct net_device *netdev,
579 struct ethtool_drvinfo *drvinfo)
581 struct e1000_adapter *adapter = netdev_priv(netdev);
582 char firmware_version[32];
585 strncpy(drvinfo->driver, e1000e_driver_name, 32);
586 strncpy(drvinfo->version, e1000e_driver_version, 32);
589 * EEPROM image version # is reported as firmware version # for
592 e1000_read_nvm(&adapter->hw, 5, 1, &eeprom_data);
593 sprintf(firmware_version, "%d.%d-%d",
594 (eeprom_data & 0xF000) >> 12,
595 (eeprom_data & 0x0FF0) >> 4,
596 eeprom_data & 0x000F);
598 strncpy(drvinfo->fw_version, firmware_version, 32);
599 strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
600 drvinfo->regdump_len = e1000_get_regs_len(netdev);
601 drvinfo->eedump_len = e1000_get_eeprom_len(netdev);
604 static void e1000_get_ringparam(struct net_device *netdev,
605 struct ethtool_ringparam *ring)
607 struct e1000_adapter *adapter = netdev_priv(netdev);
608 struct e1000_ring *tx_ring = adapter->tx_ring;
609 struct e1000_ring *rx_ring = adapter->rx_ring;
611 ring->rx_max_pending = E1000_MAX_RXD;
612 ring->tx_max_pending = E1000_MAX_TXD;
613 ring->rx_mini_max_pending = 0;
614 ring->rx_jumbo_max_pending = 0;
615 ring->rx_pending = rx_ring->count;
616 ring->tx_pending = tx_ring->count;
617 ring->rx_mini_pending = 0;
618 ring->rx_jumbo_pending = 0;
621 static int e1000_set_ringparam(struct net_device *netdev,
622 struct ethtool_ringparam *ring)
624 struct e1000_adapter *adapter = netdev_priv(netdev);
625 struct e1000_ring *tx_ring, *tx_old;
626 struct e1000_ring *rx_ring, *rx_old;
629 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
632 while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
635 if (netif_running(adapter->netdev))
636 e1000e_down(adapter);
638 tx_old = adapter->tx_ring;
639 rx_old = adapter->rx_ring;
642 tx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL);
646 * use a memcpy to save any previously configured
647 * items like napi structs from having to be
650 memcpy(tx_ring, tx_old, sizeof(struct e1000_ring));
652 rx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL);
655 memcpy(rx_ring, rx_old, sizeof(struct e1000_ring));
657 adapter->tx_ring = tx_ring;
658 adapter->rx_ring = rx_ring;
660 rx_ring->count = max(ring->rx_pending, (u32)E1000_MIN_RXD);
661 rx_ring->count = min(rx_ring->count, (u32)(E1000_MAX_RXD));
662 rx_ring->count = ALIGN(rx_ring->count, REQ_RX_DESCRIPTOR_MULTIPLE);
664 tx_ring->count = max(ring->tx_pending, (u32)E1000_MIN_TXD);
665 tx_ring->count = min(tx_ring->count, (u32)(E1000_MAX_TXD));
666 tx_ring->count = ALIGN(tx_ring->count, REQ_TX_DESCRIPTOR_MULTIPLE);
668 if (netif_running(adapter->netdev)) {
669 /* Try to get new resources before deleting old */
670 err = e1000e_setup_rx_resources(adapter);
673 err = e1000e_setup_tx_resources(adapter);
678 * restore the old in order to free it,
679 * then add in the new
681 adapter->rx_ring = rx_old;
682 adapter->tx_ring = tx_old;
683 e1000e_free_rx_resources(adapter);
684 e1000e_free_tx_resources(adapter);
687 adapter->rx_ring = rx_ring;
688 adapter->tx_ring = tx_ring;
689 err = e1000e_up(adapter);
694 clear_bit(__E1000_RESETTING, &adapter->state);
697 e1000e_free_rx_resources(adapter);
699 adapter->rx_ring = rx_old;
700 adapter->tx_ring = tx_old;
707 clear_bit(__E1000_RESETTING, &adapter->state);
711 static bool reg_pattern_test(struct e1000_adapter *adapter, u64 *data,
712 int reg, int offset, u32 mask, u32 write)
715 static const u32 test[] =
716 {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF};
717 for (pat = 0; pat < ARRAY_SIZE(test); pat++) {
718 E1000_WRITE_REG_ARRAY(&adapter->hw, reg, offset,
719 (test[pat] & write));
720 val = E1000_READ_REG_ARRAY(&adapter->hw, reg, offset);
721 if (val != (test[pat] & write & mask)) {
722 e_err("pattern test reg %04X failed: got 0x%08X "
723 "expected 0x%08X\n", reg + offset, val,
724 (test[pat] & write & mask));
732 static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data,
733 int reg, u32 mask, u32 write)
736 __ew32(&adapter->hw, reg, write & mask);
737 val = __er32(&adapter->hw, reg);
738 if ((write & mask) != (val & mask)) {
739 e_err("set/check reg %04X test failed: got 0x%08X "
740 "expected 0x%08X\n", reg, (val & mask), (write & mask));
746 #define REG_PATTERN_TEST_ARRAY(reg, offset, mask, write) \
748 if (reg_pattern_test(adapter, data, reg, offset, mask, write)) \
751 #define REG_PATTERN_TEST(reg, mask, write) \
752 REG_PATTERN_TEST_ARRAY(reg, 0, mask, write)
754 #define REG_SET_AND_CHECK(reg, mask, write) \
756 if (reg_set_and_check(adapter, data, reg, mask, write)) \
760 static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data)
762 struct e1000_hw *hw = &adapter->hw;
763 struct e1000_mac_info *mac = &adapter->hw.mac;
771 * The status register is Read Only, so a write should fail.
772 * Some bits that get toggled are ignored.
775 /* there are several bits on newer hardware that are r/w */
778 case e1000_80003es2lan:
792 before = er32(STATUS);
793 value = (er32(STATUS) & toggle);
794 ew32(STATUS, toggle);
795 after = er32(STATUS) & toggle;
796 if (value != after) {
797 e_err("failed STATUS register test got: 0x%08X expected: "
798 "0x%08X\n", after, value);
802 /* restore previous status */
803 ew32(STATUS, before);
805 if (!(adapter->flags & FLAG_IS_ICH)) {
806 REG_PATTERN_TEST(E1000_FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
807 REG_PATTERN_TEST(E1000_FCAH, 0x0000FFFF, 0xFFFFFFFF);
808 REG_PATTERN_TEST(E1000_FCT, 0x0000FFFF, 0xFFFFFFFF);
809 REG_PATTERN_TEST(E1000_VET, 0x0000FFFF, 0xFFFFFFFF);
812 REG_PATTERN_TEST(E1000_RDTR, 0x0000FFFF, 0xFFFFFFFF);
813 REG_PATTERN_TEST(E1000_RDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
814 REG_PATTERN_TEST(E1000_RDLEN, 0x000FFF80, 0x000FFFFF);
815 REG_PATTERN_TEST(E1000_RDH, 0x0000FFFF, 0x0000FFFF);
816 REG_PATTERN_TEST(E1000_RDT, 0x0000FFFF, 0x0000FFFF);
817 REG_PATTERN_TEST(E1000_FCRTH, 0x0000FFF8, 0x0000FFF8);
818 REG_PATTERN_TEST(E1000_FCTTV, 0x0000FFFF, 0x0000FFFF);
819 REG_PATTERN_TEST(E1000_TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
820 REG_PATTERN_TEST(E1000_TDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
821 REG_PATTERN_TEST(E1000_TDLEN, 0x000FFF80, 0x000FFFFF);
823 REG_SET_AND_CHECK(E1000_RCTL, 0xFFFFFFFF, 0x00000000);
825 before = ((adapter->flags & FLAG_IS_ICH) ? 0x06C3B33E : 0x06DFB3FE);
826 REG_SET_AND_CHECK(E1000_RCTL, before, 0x003FFFFB);
827 REG_SET_AND_CHECK(E1000_TCTL, 0xFFFFFFFF, 0x00000000);
829 REG_SET_AND_CHECK(E1000_RCTL, before, 0xFFFFFFFF);
830 REG_PATTERN_TEST(E1000_RDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
831 if (!(adapter->flags & FLAG_IS_ICH))
832 REG_PATTERN_TEST(E1000_TXCW, 0xC000FFFF, 0x0000FFFF);
833 REG_PATTERN_TEST(E1000_TDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
834 REG_PATTERN_TEST(E1000_TIDV, 0x0000FFFF, 0x0000FFFF);
835 for (i = 0; i < mac->rar_entry_count; i++)
836 REG_PATTERN_TEST_ARRAY(E1000_RA, ((i << 1) + 1),
837 ((mac->type == e1000_ich10lan) ?
838 0x8007FFFF : 0x8003FFFF),
841 for (i = 0; i < mac->mta_reg_count; i++)
842 REG_PATTERN_TEST_ARRAY(E1000_MTA, i, 0xFFFFFFFF, 0xFFFFFFFF);
848 static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data)
855 /* Read and add up the contents of the EEPROM */
856 for (i = 0; i < (NVM_CHECKSUM_REG + 1); i++) {
857 if ((e1000_read_nvm(&adapter->hw, i, 1, &temp)) < 0) {
864 /* If Checksum is not Correct return error else test passed */
865 if ((checksum != (u16) NVM_SUM) && !(*data))
871 static irqreturn_t e1000_test_intr(int irq, void *data)
873 struct net_device *netdev = (struct net_device *) data;
874 struct e1000_adapter *adapter = netdev_priv(netdev);
875 struct e1000_hw *hw = &adapter->hw;
877 adapter->test_icr |= er32(ICR);
882 static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data)
884 struct net_device *netdev = adapter->netdev;
885 struct e1000_hw *hw = &adapter->hw;
888 u32 irq = adapter->pdev->irq;
893 /* NOTE: we don't test MSI interrupts here, yet */
894 /* Hook up test interrupt handler just for this test */
895 if (!request_irq(irq, &e1000_test_intr, IRQF_PROBE_SHARED, netdev->name,
898 } else if (request_irq(irq, &e1000_test_intr, IRQF_SHARED,
899 netdev->name, netdev)) {
903 e_info("testing %s interrupt\n", (shared_int ? "shared" : "unshared"));
905 /* Disable all the interrupts */
906 ew32(IMC, 0xFFFFFFFF);
909 /* Test each interrupt */
910 for (i = 0; i < 10; i++) {
911 /* Interrupt to test */
914 if (adapter->flags & FLAG_IS_ICH) {
916 case E1000_ICR_RXSEQ:
919 if (adapter->hw.mac.type == e1000_ich8lan ||
920 adapter->hw.mac.type == e1000_ich9lan)
930 * Disable the interrupt to be reported in
931 * the cause register and then force the same
932 * interrupt and see if one gets posted. If
933 * an interrupt was posted to the bus, the
936 adapter->test_icr = 0;
941 if (adapter->test_icr & mask) {
948 * Enable the interrupt to be reported in
949 * the cause register and then force the same
950 * interrupt and see if one gets posted. If
951 * an interrupt was not posted to the bus, the
954 adapter->test_icr = 0;
959 if (!(adapter->test_icr & mask)) {
966 * Disable the other interrupts to be reported in
967 * the cause register and then force the other
968 * interrupts and see if any get posted. If
969 * an interrupt was posted to the bus, the
972 adapter->test_icr = 0;
973 ew32(IMC, ~mask & 0x00007FFF);
974 ew32(ICS, ~mask & 0x00007FFF);
977 if (adapter->test_icr) {
984 /* Disable all the interrupts */
985 ew32(IMC, 0xFFFFFFFF);
988 /* Unhook test interrupt handler */
989 free_irq(irq, netdev);
994 static void e1000_free_desc_rings(struct e1000_adapter *adapter)
996 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
997 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
998 struct pci_dev *pdev = adapter->pdev;
1001 if (tx_ring->desc && tx_ring->buffer_info) {
1002 for (i = 0; i < tx_ring->count; i++) {
1003 if (tx_ring->buffer_info[i].dma)
1004 pci_unmap_single(pdev,
1005 tx_ring->buffer_info[i].dma,
1006 tx_ring->buffer_info[i].length,
1008 if (tx_ring->buffer_info[i].skb)
1009 dev_kfree_skb(tx_ring->buffer_info[i].skb);
1013 if (rx_ring->desc && rx_ring->buffer_info) {
1014 for (i = 0; i < rx_ring->count; i++) {
1015 if (rx_ring->buffer_info[i].dma)
1016 pci_unmap_single(pdev,
1017 rx_ring->buffer_info[i].dma,
1018 2048, PCI_DMA_FROMDEVICE);
1019 if (rx_ring->buffer_info[i].skb)
1020 dev_kfree_skb(rx_ring->buffer_info[i].skb);
1024 if (tx_ring->desc) {
1025 dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc,
1027 tx_ring->desc = NULL;
1029 if (rx_ring->desc) {
1030 dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc,
1032 rx_ring->desc = NULL;
1035 kfree(tx_ring->buffer_info);
1036 tx_ring->buffer_info = NULL;
1037 kfree(rx_ring->buffer_info);
1038 rx_ring->buffer_info = NULL;
1041 static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
1043 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1044 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1045 struct pci_dev *pdev = adapter->pdev;
1046 struct e1000_hw *hw = &adapter->hw;
1051 /* Setup Tx descriptor ring and Tx buffers */
1053 if (!tx_ring->count)
1054 tx_ring->count = E1000_DEFAULT_TXD;
1056 tx_ring->buffer_info = kcalloc(tx_ring->count,
1057 sizeof(struct e1000_buffer),
1059 if (!(tx_ring->buffer_info)) {
1064 tx_ring->size = tx_ring->count * sizeof(struct e1000_tx_desc);
1065 tx_ring->size = ALIGN(tx_ring->size, 4096);
1066 tx_ring->desc = dma_alloc_coherent(&pdev->dev, tx_ring->size,
1067 &tx_ring->dma, GFP_KERNEL);
1068 if (!tx_ring->desc) {
1072 tx_ring->next_to_use = 0;
1073 tx_ring->next_to_clean = 0;
1075 ew32(TDBAL, ((u64) tx_ring->dma & 0x00000000FFFFFFFF));
1076 ew32(TDBAH, ((u64) tx_ring->dma >> 32));
1077 ew32(TDLEN, tx_ring->count * sizeof(struct e1000_tx_desc));
1080 ew32(TCTL, E1000_TCTL_PSP | E1000_TCTL_EN | E1000_TCTL_MULR |
1081 E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
1082 E1000_COLLISION_DISTANCE << E1000_COLD_SHIFT);
1084 for (i = 0; i < tx_ring->count; i++) {
1085 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*tx_ring, i);
1086 struct sk_buff *skb;
1087 unsigned int skb_size = 1024;
1089 skb = alloc_skb(skb_size, GFP_KERNEL);
1094 skb_put(skb, skb_size);
1095 tx_ring->buffer_info[i].skb = skb;
1096 tx_ring->buffer_info[i].length = skb->len;
1097 tx_ring->buffer_info[i].dma =
1098 pci_map_single(pdev, skb->data, skb->len,
1100 if (pci_dma_mapping_error(pdev, tx_ring->buffer_info[i].dma)) {
1104 tx_desc->buffer_addr = cpu_to_le64(tx_ring->buffer_info[i].dma);
1105 tx_desc->lower.data = cpu_to_le32(skb->len);
1106 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
1107 E1000_TXD_CMD_IFCS |
1109 tx_desc->upper.data = 0;
1112 /* Setup Rx descriptor ring and Rx buffers */
1114 if (!rx_ring->count)
1115 rx_ring->count = E1000_DEFAULT_RXD;
1117 rx_ring->buffer_info = kcalloc(rx_ring->count,
1118 sizeof(struct e1000_buffer),
1120 if (!(rx_ring->buffer_info)) {
1125 rx_ring->size = rx_ring->count * sizeof(struct e1000_rx_desc);
1126 rx_ring->desc = dma_alloc_coherent(&pdev->dev, rx_ring->size,
1127 &rx_ring->dma, GFP_KERNEL);
1128 if (!rx_ring->desc) {
1132 rx_ring->next_to_use = 0;
1133 rx_ring->next_to_clean = 0;
1136 ew32(RCTL, rctl & ~E1000_RCTL_EN);
1137 ew32(RDBAL, ((u64) rx_ring->dma & 0xFFFFFFFF));
1138 ew32(RDBAH, ((u64) rx_ring->dma >> 32));
1139 ew32(RDLEN, rx_ring->size);
1142 rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
1143 E1000_RCTL_UPE | E1000_RCTL_MPE | E1000_RCTL_LPE |
1144 E1000_RCTL_SBP | E1000_RCTL_SECRC |
1145 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
1146 (adapter->hw.mac.mc_filter_type << E1000_RCTL_MO_SHIFT);
1149 for (i = 0; i < rx_ring->count; i++) {
1150 struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rx_ring, i);
1151 struct sk_buff *skb;
1153 skb = alloc_skb(2048 + NET_IP_ALIGN, GFP_KERNEL);
1158 skb_reserve(skb, NET_IP_ALIGN);
1159 rx_ring->buffer_info[i].skb = skb;
1160 rx_ring->buffer_info[i].dma =
1161 pci_map_single(pdev, skb->data, 2048,
1162 PCI_DMA_FROMDEVICE);
1163 if (pci_dma_mapping_error(pdev, rx_ring->buffer_info[i].dma)) {
1167 rx_desc->buffer_addr =
1168 cpu_to_le64(rx_ring->buffer_info[i].dma);
1169 memset(skb->data, 0x00, skb->len);
1175 e1000_free_desc_rings(adapter);
1179 static void e1000_phy_disable_receiver(struct e1000_adapter *adapter)
1181 /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1182 e1e_wphy(&adapter->hw, 29, 0x001F);
1183 e1e_wphy(&adapter->hw, 30, 0x8FFC);
1184 e1e_wphy(&adapter->hw, 29, 0x001A);
1185 e1e_wphy(&adapter->hw, 30, 0x8FF0);
1188 static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
1190 struct e1000_hw *hw = &adapter->hw;
1195 hw->mac.autoneg = 0;
1197 if (hw->phy.type == e1000_phy_m88) {
1198 /* Auto-MDI/MDIX Off */
1199 e1e_wphy(hw, M88E1000_PHY_SPEC_CTRL, 0x0808);
1200 /* reset to update Auto-MDI/MDIX */
1201 e1e_wphy(hw, PHY_CONTROL, 0x9140);
1203 e1e_wphy(hw, PHY_CONTROL, 0x8140);
1204 } else if (hw->phy.type == e1000_phy_gg82563)
1205 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x1CC);
1207 ctrl_reg = er32(CTRL);
1209 switch (hw->phy.type) {
1211 /* force 100, set loopback */
1212 e1e_wphy(hw, PHY_CONTROL, 0x6100);
1214 /* Now set up the MAC to the same speed/duplex as the PHY. */
1215 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1216 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1217 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1218 E1000_CTRL_SPD_100 |/* Force Speed to 100 */
1219 E1000_CTRL_FD); /* Force Duplex to FULL */
1222 /* Set Default MAC Interface speed to 1GB */
1223 e1e_rphy(hw, PHY_REG(2, 21), &phy_reg);
1226 e1e_wphy(hw, PHY_REG(2, 21), phy_reg);
1227 /* Assert SW reset for above settings to take effect */
1228 e1000e_commit_phy(hw);
1230 /* Force Full Duplex */
1231 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg);
1232 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x000C);
1233 /* Set Link Up (in force link) */
1234 e1e_rphy(hw, PHY_REG(776, 16), &phy_reg);
1235 e1e_wphy(hw, PHY_REG(776, 16), phy_reg | 0x0040);
1237 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg);
1238 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x0040);
1239 /* Set Early Link Enable */
1240 e1e_rphy(hw, PHY_REG(769, 20), &phy_reg);
1241 e1e_wphy(hw, PHY_REG(769, 20), phy_reg | 0x0400);
1244 /* force 1000, set loopback */
1245 e1e_wphy(hw, PHY_CONTROL, 0x4140);
1248 /* Now set up the MAC to the same speed/duplex as the PHY. */
1249 ctrl_reg = er32(CTRL);
1250 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1251 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1252 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1253 E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
1254 E1000_CTRL_FD); /* Force Duplex to FULL */
1256 if (adapter->flags & FLAG_IS_ICH)
1257 ctrl_reg |= E1000_CTRL_SLU; /* Set Link Up */
1260 if (hw->phy.media_type == e1000_media_type_copper &&
1261 hw->phy.type == e1000_phy_m88) {
1262 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
1265 * Set the ILOS bit on the fiber Nic if half duplex link is
1268 stat_reg = er32(STATUS);
1269 if ((stat_reg & E1000_STATUS_FD) == 0)
1270 ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
1273 ew32(CTRL, ctrl_reg);
1276 * Disable the receiver on the PHY so when a cable is plugged in, the
1277 * PHY does not begin to autoneg when a cable is reconnected to the NIC.
1279 if (hw->phy.type == e1000_phy_m88)
1280 e1000_phy_disable_receiver(adapter);
1287 static int e1000_set_82571_fiber_loopback(struct e1000_adapter *adapter)
1289 struct e1000_hw *hw = &adapter->hw;
1290 u32 ctrl = er32(CTRL);
1293 /* special requirements for 82571/82572 fiber adapters */
1296 * jump through hoops to make sure link is up because serdes
1297 * link is hardwired up
1299 ctrl |= E1000_CTRL_SLU;
1302 /* disable autoneg */
1307 link = (er32(STATUS) & E1000_STATUS_LU);
1310 /* set invert loss of signal */
1312 ctrl |= E1000_CTRL_ILOS;
1317 * special write to serdes control register to enable SerDes analog
1320 #define E1000_SERDES_LB_ON 0x410
1321 ew32(SCTL, E1000_SERDES_LB_ON);
1327 /* only call this for fiber/serdes connections to es2lan */
1328 static int e1000_set_es2lan_mac_loopback(struct e1000_adapter *adapter)
1330 struct e1000_hw *hw = &adapter->hw;
1331 u32 ctrlext = er32(CTRL_EXT);
1332 u32 ctrl = er32(CTRL);
1335 * save CTRL_EXT to restore later, reuse an empty variable (unused
1336 * on mac_type 80003es2lan)
1338 adapter->tx_fifo_head = ctrlext;
1340 /* clear the serdes mode bits, putting the device into mac loopback */
1341 ctrlext &= ~E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES;
1342 ew32(CTRL_EXT, ctrlext);
1344 /* force speed to 1000/FD, link up */
1345 ctrl &= ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100);
1346 ctrl |= (E1000_CTRL_SLU | E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX |
1347 E1000_CTRL_SPD_1000 | E1000_CTRL_FD);
1350 /* set mac loopback */
1352 ctrl |= E1000_RCTL_LBM_MAC;
1355 /* set testing mode parameters (no need to reset later) */
1356 #define KMRNCTRLSTA_OPMODE (0x1F << 16)
1357 #define KMRNCTRLSTA_OPMODE_1GB_FD_GMII 0x0582
1359 (KMRNCTRLSTA_OPMODE | KMRNCTRLSTA_OPMODE_1GB_FD_GMII));
1364 static int e1000_setup_loopback_test(struct e1000_adapter *adapter)
1366 struct e1000_hw *hw = &adapter->hw;
1369 if (hw->phy.media_type == e1000_media_type_fiber ||
1370 hw->phy.media_type == e1000_media_type_internal_serdes) {
1371 switch (hw->mac.type) {
1372 case e1000_80003es2lan:
1373 return e1000_set_es2lan_mac_loopback(adapter);
1377 return e1000_set_82571_fiber_loopback(adapter);
1381 rctl |= E1000_RCTL_LBM_TCVR;
1385 } else if (hw->phy.media_type == e1000_media_type_copper) {
1386 return e1000_integrated_phy_loopback(adapter);
1392 static void e1000_loopback_cleanup(struct e1000_adapter *adapter)
1394 struct e1000_hw *hw = &adapter->hw;
1399 rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
1402 switch (hw->mac.type) {
1403 case e1000_80003es2lan:
1404 if (hw->phy.media_type == e1000_media_type_fiber ||
1405 hw->phy.media_type == e1000_media_type_internal_serdes) {
1406 /* restore CTRL_EXT, stealing space from tx_fifo_head */
1407 ew32(CTRL_EXT, adapter->tx_fifo_head);
1408 adapter->tx_fifo_head = 0;
1413 if (hw->phy.media_type == e1000_media_type_fiber ||
1414 hw->phy.media_type == e1000_media_type_internal_serdes) {
1415 #define E1000_SERDES_LB_OFF 0x400
1416 ew32(SCTL, E1000_SERDES_LB_OFF);
1422 hw->mac.autoneg = 1;
1423 if (hw->phy.type == e1000_phy_gg82563)
1424 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x180);
1425 e1e_rphy(hw, PHY_CONTROL, &phy_reg);
1426 if (phy_reg & MII_CR_LOOPBACK) {
1427 phy_reg &= ~MII_CR_LOOPBACK;
1428 e1e_wphy(hw, PHY_CONTROL, phy_reg);
1429 e1000e_commit_phy(hw);
1435 static void e1000_create_lbtest_frame(struct sk_buff *skb,
1436 unsigned int frame_size)
1438 memset(skb->data, 0xFF, frame_size);
1440 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1441 memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
1442 memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
1445 static int e1000_check_lbtest_frame(struct sk_buff *skb,
1446 unsigned int frame_size)
1449 if (*(skb->data + 3) == 0xFF)
1450 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
1451 (*(skb->data + frame_size / 2 + 12) == 0xAF))
1456 static int e1000_run_loopback_test(struct e1000_adapter *adapter)
1458 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1459 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1460 struct pci_dev *pdev = adapter->pdev;
1461 struct e1000_hw *hw = &adapter->hw;
1468 ew32(RDT, rx_ring->count - 1);
1471 * Calculate the loop count based on the largest descriptor ring
1472 * The idea is to wrap the largest ring a number of times using 64
1473 * send/receive pairs during each loop
1476 if (rx_ring->count <= tx_ring->count)
1477 lc = ((tx_ring->count / 64) * 2) + 1;
1479 lc = ((rx_ring->count / 64) * 2) + 1;
1483 for (j = 0; j <= lc; j++) { /* loop count loop */
1484 for (i = 0; i < 64; i++) { /* send the packets */
1485 e1000_create_lbtest_frame(tx_ring->buffer_info[k].skb,
1487 pci_dma_sync_single_for_device(pdev,
1488 tx_ring->buffer_info[k].dma,
1489 tx_ring->buffer_info[k].length,
1492 if (k == tx_ring->count)
1497 time = jiffies; /* set the start time for the receive */
1499 do { /* receive the sent packets */
1500 pci_dma_sync_single_for_cpu(pdev,
1501 rx_ring->buffer_info[l].dma, 2048,
1502 PCI_DMA_FROMDEVICE);
1504 ret_val = e1000_check_lbtest_frame(
1505 rx_ring->buffer_info[l].skb, 1024);
1509 if (l == rx_ring->count)
1512 * time + 20 msecs (200 msecs on 2.4) is more than
1513 * enough time to complete the receives, if it's
1514 * exceeded, break and error off
1516 } while ((good_cnt < 64) && !time_after(jiffies, time + 20));
1517 if (good_cnt != 64) {
1518 ret_val = 13; /* ret_val is the same as mis-compare */
1521 if (jiffies >= (time + 20)) {
1522 ret_val = 14; /* error code for time out error */
1525 } /* end loop count loop */
1529 static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data)
1532 * PHY loopback cannot be performed if SoL/IDER
1533 * sessions are active
1535 if (e1000_check_reset_block(&adapter->hw)) {
1536 e_err("Cannot do PHY loopback test when SoL/IDER is active.\n");
1541 *data = e1000_setup_desc_rings(adapter);
1545 *data = e1000_setup_loopback_test(adapter);
1549 *data = e1000_run_loopback_test(adapter);
1550 e1000_loopback_cleanup(adapter);
1553 e1000_free_desc_rings(adapter);
1558 static int e1000_link_test(struct e1000_adapter *adapter, u64 *data)
1560 struct e1000_hw *hw = &adapter->hw;
1563 if (hw->phy.media_type == e1000_media_type_internal_serdes) {
1565 hw->mac.serdes_has_link = 0;
1568 * On some blade server designs, link establishment
1569 * could take as long as 2-3 minutes
1572 hw->mac.ops.check_for_link(hw);
1573 if (hw->mac.serdes_has_link)
1576 } while (i++ < 3750);
1580 hw->mac.ops.check_for_link(hw);
1581 if (hw->mac.autoneg)
1584 if (!(er32(STATUS) &
1591 static int e1000e_get_sset_count(struct net_device *netdev, int sset)
1595 return E1000_TEST_LEN;
1597 return E1000_STATS_LEN;
1603 static void e1000_diag_test(struct net_device *netdev,
1604 struct ethtool_test *eth_test, u64 *data)
1606 struct e1000_adapter *adapter = netdev_priv(netdev);
1607 u16 autoneg_advertised;
1608 u8 forced_speed_duplex;
1610 bool if_running = netif_running(netdev);
1612 set_bit(__E1000_TESTING, &adapter->state);
1613 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1616 /* save speed, duplex, autoneg settings */
1617 autoneg_advertised = adapter->hw.phy.autoneg_advertised;
1618 forced_speed_duplex = adapter->hw.mac.forced_speed_duplex;
1619 autoneg = adapter->hw.mac.autoneg;
1621 e_info("offline testing starting\n");
1624 * Link test performed before hardware reset so autoneg doesn't
1625 * interfere with test result
1627 if (e1000_link_test(adapter, &data[4]))
1628 eth_test->flags |= ETH_TEST_FL_FAILED;
1631 /* indicate we're in test mode */
1634 e1000e_reset(adapter);
1636 if (e1000_reg_test(adapter, &data[0]))
1637 eth_test->flags |= ETH_TEST_FL_FAILED;
1639 e1000e_reset(adapter);
1640 if (e1000_eeprom_test(adapter, &data[1]))
1641 eth_test->flags |= ETH_TEST_FL_FAILED;
1643 e1000e_reset(adapter);
1644 if (e1000_intr_test(adapter, &data[2]))
1645 eth_test->flags |= ETH_TEST_FL_FAILED;
1647 e1000e_reset(adapter);
1648 /* make sure the phy is powered up */
1649 e1000e_power_up_phy(adapter);
1650 if (e1000_loopback_test(adapter, &data[3]))
1651 eth_test->flags |= ETH_TEST_FL_FAILED;
1653 /* restore speed, duplex, autoneg settings */
1654 adapter->hw.phy.autoneg_advertised = autoneg_advertised;
1655 adapter->hw.mac.forced_speed_duplex = forced_speed_duplex;
1656 adapter->hw.mac.autoneg = autoneg;
1658 /* force this routine to wait until autoneg complete/timeout */
1659 adapter->hw.phy.autoneg_wait_to_complete = 1;
1660 e1000e_reset(adapter);
1661 adapter->hw.phy.autoneg_wait_to_complete = 0;
1663 clear_bit(__E1000_TESTING, &adapter->state);
1667 e_info("online testing starting\n");
1669 if (e1000_link_test(adapter, &data[4]))
1670 eth_test->flags |= ETH_TEST_FL_FAILED;
1672 /* Online tests aren't run; pass by default */
1678 clear_bit(__E1000_TESTING, &adapter->state);
1680 msleep_interruptible(4 * 1000);
1683 static void e1000_get_wol(struct net_device *netdev,
1684 struct ethtool_wolinfo *wol)
1686 struct e1000_adapter *adapter = netdev_priv(netdev);
1691 if (!(adapter->flags & FLAG_HAS_WOL))
1694 wol->supported = WAKE_UCAST | WAKE_MCAST |
1695 WAKE_BCAST | WAKE_MAGIC |
1696 WAKE_PHY | WAKE_ARP;
1698 /* apply any specific unsupported masks here */
1699 if (adapter->flags & FLAG_NO_WAKE_UCAST) {
1700 wol->supported &= ~WAKE_UCAST;
1702 if (adapter->wol & E1000_WUFC_EX)
1703 e_err("Interface does not support directed (unicast) "
1704 "frame wake-up packets\n");
1707 if (adapter->wol & E1000_WUFC_EX)
1708 wol->wolopts |= WAKE_UCAST;
1709 if (adapter->wol & E1000_WUFC_MC)
1710 wol->wolopts |= WAKE_MCAST;
1711 if (adapter->wol & E1000_WUFC_BC)
1712 wol->wolopts |= WAKE_BCAST;
1713 if (adapter->wol & E1000_WUFC_MAG)
1714 wol->wolopts |= WAKE_MAGIC;
1715 if (adapter->wol & E1000_WUFC_LNKC)
1716 wol->wolopts |= WAKE_PHY;
1717 if (adapter->wol & E1000_WUFC_ARP)
1718 wol->wolopts |= WAKE_ARP;
1721 static int e1000_set_wol(struct net_device *netdev,
1722 struct ethtool_wolinfo *wol)
1724 struct e1000_adapter *adapter = netdev_priv(netdev);
1726 if (wol->wolopts & WAKE_MAGICSECURE)
1729 if (!(adapter->flags & FLAG_HAS_WOL))
1730 return wol->wolopts ? -EOPNOTSUPP : 0;
1732 /* these settings will always override what we currently have */
1735 if (wol->wolopts & WAKE_UCAST)
1736 adapter->wol |= E1000_WUFC_EX;
1737 if (wol->wolopts & WAKE_MCAST)
1738 adapter->wol |= E1000_WUFC_MC;
1739 if (wol->wolopts & WAKE_BCAST)
1740 adapter->wol |= E1000_WUFC_BC;
1741 if (wol->wolopts & WAKE_MAGIC)
1742 adapter->wol |= E1000_WUFC_MAG;
1743 if (wol->wolopts & WAKE_PHY)
1744 adapter->wol |= E1000_WUFC_LNKC;
1745 if (wol->wolopts & WAKE_ARP)
1746 adapter->wol |= E1000_WUFC_ARP;
1751 /* toggle LED 4 times per second = 2 "blinks" per second */
1752 #define E1000_ID_INTERVAL (HZ/4)
1754 /* bit defines for adapter->led_status */
1755 #define E1000_LED_ON 0
1757 static void e1000_led_blink_callback(unsigned long data)
1759 struct e1000_adapter *adapter = (struct e1000_adapter *) data;
1761 if (test_and_change_bit(E1000_LED_ON, &adapter->led_status))
1762 adapter->hw.mac.ops.led_off(&adapter->hw);
1764 adapter->hw.mac.ops.led_on(&adapter->hw);
1766 mod_timer(&adapter->blink_timer, jiffies + E1000_ID_INTERVAL);
1769 static int e1000_phys_id(struct net_device *netdev, u32 data)
1771 struct e1000_adapter *adapter = netdev_priv(netdev);
1776 if (adapter->hw.phy.type == e1000_phy_ife) {
1777 if (!adapter->blink_timer.function) {
1778 init_timer(&adapter->blink_timer);
1779 adapter->blink_timer.function =
1780 e1000_led_blink_callback;
1781 adapter->blink_timer.data = (unsigned long) adapter;
1783 mod_timer(&adapter->blink_timer, jiffies);
1784 msleep_interruptible(data * 1000);
1785 del_timer_sync(&adapter->blink_timer);
1786 e1e_wphy(&adapter->hw,
1787 IFE_PHY_SPECIAL_CONTROL_LED, 0);
1789 e1000e_blink_led(&adapter->hw);
1790 msleep_interruptible(data * 1000);
1793 adapter->hw.mac.ops.led_off(&adapter->hw);
1794 clear_bit(E1000_LED_ON, &adapter->led_status);
1795 adapter->hw.mac.ops.cleanup_led(&adapter->hw);
1800 static int e1000_get_coalesce(struct net_device *netdev,
1801 struct ethtool_coalesce *ec)
1803 struct e1000_adapter *adapter = netdev_priv(netdev);
1805 if (adapter->itr_setting <= 3)
1806 ec->rx_coalesce_usecs = adapter->itr_setting;
1808 ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting;
1813 static int e1000_set_coalesce(struct net_device *netdev,
1814 struct ethtool_coalesce *ec)
1816 struct e1000_adapter *adapter = netdev_priv(netdev);
1817 struct e1000_hw *hw = &adapter->hw;
1819 if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) ||
1820 ((ec->rx_coalesce_usecs > 3) &&
1821 (ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) ||
1822 (ec->rx_coalesce_usecs == 2))
1825 if (ec->rx_coalesce_usecs <= 3) {
1826 adapter->itr = 20000;
1827 adapter->itr_setting = ec->rx_coalesce_usecs;
1829 adapter->itr = (1000000 / ec->rx_coalesce_usecs);
1830 adapter->itr_setting = adapter->itr & ~3;
1833 if (adapter->itr_setting != 0)
1834 ew32(ITR, 1000000000 / (adapter->itr * 256));
1841 static int e1000_nway_reset(struct net_device *netdev)
1843 struct e1000_adapter *adapter = netdev_priv(netdev);
1844 if (netif_running(netdev))
1845 e1000e_reinit_locked(adapter);
1849 static void e1000_get_ethtool_stats(struct net_device *netdev,
1850 struct ethtool_stats *stats,
1853 struct e1000_adapter *adapter = netdev_priv(netdev);
1856 e1000e_update_stats(adapter);
1857 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1858 char *p = (char *)adapter+e1000_gstrings_stats[i].stat_offset;
1859 data[i] = (e1000_gstrings_stats[i].sizeof_stat ==
1860 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1864 static void e1000_get_strings(struct net_device *netdev, u32 stringset,
1870 switch (stringset) {
1872 memcpy(data, *e1000_gstrings_test, sizeof(e1000_gstrings_test));
1875 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1876 memcpy(p, e1000_gstrings_stats[i].stat_string,
1878 p += ETH_GSTRING_LEN;
1884 static const struct ethtool_ops e1000_ethtool_ops = {
1885 .get_settings = e1000_get_settings,
1886 .set_settings = e1000_set_settings,
1887 .get_drvinfo = e1000_get_drvinfo,
1888 .get_regs_len = e1000_get_regs_len,
1889 .get_regs = e1000_get_regs,
1890 .get_wol = e1000_get_wol,
1891 .set_wol = e1000_set_wol,
1892 .get_msglevel = e1000_get_msglevel,
1893 .set_msglevel = e1000_set_msglevel,
1894 .nway_reset = e1000_nway_reset,
1895 .get_link = e1000_get_link,
1896 .get_eeprom_len = e1000_get_eeprom_len,
1897 .get_eeprom = e1000_get_eeprom,
1898 .set_eeprom = e1000_set_eeprom,
1899 .get_ringparam = e1000_get_ringparam,
1900 .set_ringparam = e1000_set_ringparam,
1901 .get_pauseparam = e1000_get_pauseparam,
1902 .set_pauseparam = e1000_set_pauseparam,
1903 .get_rx_csum = e1000_get_rx_csum,
1904 .set_rx_csum = e1000_set_rx_csum,
1905 .get_tx_csum = e1000_get_tx_csum,
1906 .set_tx_csum = e1000_set_tx_csum,
1907 .get_sg = ethtool_op_get_sg,
1908 .set_sg = ethtool_op_set_sg,
1909 .get_tso = ethtool_op_get_tso,
1910 .set_tso = e1000_set_tso,
1911 .self_test = e1000_diag_test,
1912 .get_strings = e1000_get_strings,
1913 .phys_id = e1000_phys_id,
1914 .get_ethtool_stats = e1000_get_ethtool_stats,
1915 .get_sset_count = e1000e_get_sset_count,
1916 .get_coalesce = e1000_get_coalesce,
1917 .set_coalesce = e1000_set_coalesce,
1920 void e1000e_set_ethtool_ops(struct net_device *netdev)
1922 SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops);