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 if (adapter->flags & FLAG_READ_ONLY_NVM)
535 max_len = hw->nvm.word_size * 2;
537 first_word = eeprom->offset >> 1;
538 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
539 eeprom_buff = kmalloc(max_len, GFP_KERNEL);
543 ptr = (void *)eeprom_buff;
545 if (eeprom->offset & 1) {
546 /* need read/modify/write of first changed EEPROM word */
547 /* only the second byte of the word is being modified */
548 ret_val = e1000_read_nvm(hw, first_word, 1, &eeprom_buff[0]);
551 if (((eeprom->offset + eeprom->len) & 1) && (ret_val == 0))
552 /* need read/modify/write of last changed EEPROM word */
553 /* only the first byte of the word is being modified */
554 ret_val = e1000_read_nvm(hw, last_word, 1,
555 &eeprom_buff[last_word - first_word]);
557 /* Device's eeprom is always little-endian, word addressable */
558 for (i = 0; i < last_word - first_word + 1; i++)
559 le16_to_cpus(&eeprom_buff[i]);
561 memcpy(ptr, bytes, eeprom->len);
563 for (i = 0; i < last_word - first_word + 1; i++)
564 eeprom_buff[i] = cpu_to_le16(eeprom_buff[i]);
566 ret_val = e1000_write_nvm(hw, first_word,
567 last_word - first_word + 1, eeprom_buff);
570 * Update the checksum over the first part of the EEPROM if needed
571 * and flush shadow RAM for 82573 controllers
573 if ((ret_val == 0) && ((first_word <= NVM_CHECKSUM_REG) ||
574 (hw->mac.type == e1000_82573)))
575 e1000e_update_nvm_checksum(hw);
581 static void e1000_get_drvinfo(struct net_device *netdev,
582 struct ethtool_drvinfo *drvinfo)
584 struct e1000_adapter *adapter = netdev_priv(netdev);
585 char firmware_version[32];
588 strncpy(drvinfo->driver, e1000e_driver_name, 32);
589 strncpy(drvinfo->version, e1000e_driver_version, 32);
592 * EEPROM image version # is reported as firmware version # for
595 e1000_read_nvm(&adapter->hw, 5, 1, &eeprom_data);
596 sprintf(firmware_version, "%d.%d-%d",
597 (eeprom_data & 0xF000) >> 12,
598 (eeprom_data & 0x0FF0) >> 4,
599 eeprom_data & 0x000F);
601 strncpy(drvinfo->fw_version, firmware_version, 32);
602 strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
603 drvinfo->regdump_len = e1000_get_regs_len(netdev);
604 drvinfo->eedump_len = e1000_get_eeprom_len(netdev);
607 static void e1000_get_ringparam(struct net_device *netdev,
608 struct ethtool_ringparam *ring)
610 struct e1000_adapter *adapter = netdev_priv(netdev);
611 struct e1000_ring *tx_ring = adapter->tx_ring;
612 struct e1000_ring *rx_ring = adapter->rx_ring;
614 ring->rx_max_pending = E1000_MAX_RXD;
615 ring->tx_max_pending = E1000_MAX_TXD;
616 ring->rx_mini_max_pending = 0;
617 ring->rx_jumbo_max_pending = 0;
618 ring->rx_pending = rx_ring->count;
619 ring->tx_pending = tx_ring->count;
620 ring->rx_mini_pending = 0;
621 ring->rx_jumbo_pending = 0;
624 static int e1000_set_ringparam(struct net_device *netdev,
625 struct ethtool_ringparam *ring)
627 struct e1000_adapter *adapter = netdev_priv(netdev);
628 struct e1000_ring *tx_ring, *tx_old;
629 struct e1000_ring *rx_ring, *rx_old;
632 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
635 while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
638 if (netif_running(adapter->netdev))
639 e1000e_down(adapter);
641 tx_old = adapter->tx_ring;
642 rx_old = adapter->rx_ring;
645 tx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL);
649 * use a memcpy to save any previously configured
650 * items like napi structs from having to be
653 memcpy(tx_ring, tx_old, sizeof(struct e1000_ring));
655 rx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL);
658 memcpy(rx_ring, rx_old, sizeof(struct e1000_ring));
660 adapter->tx_ring = tx_ring;
661 adapter->rx_ring = rx_ring;
663 rx_ring->count = max(ring->rx_pending, (u32)E1000_MIN_RXD);
664 rx_ring->count = min(rx_ring->count, (u32)(E1000_MAX_RXD));
665 rx_ring->count = ALIGN(rx_ring->count, REQ_RX_DESCRIPTOR_MULTIPLE);
667 tx_ring->count = max(ring->tx_pending, (u32)E1000_MIN_TXD);
668 tx_ring->count = min(tx_ring->count, (u32)(E1000_MAX_TXD));
669 tx_ring->count = ALIGN(tx_ring->count, REQ_TX_DESCRIPTOR_MULTIPLE);
671 if (netif_running(adapter->netdev)) {
672 /* Try to get new resources before deleting old */
673 err = e1000e_setup_rx_resources(adapter);
676 err = e1000e_setup_tx_resources(adapter);
681 * restore the old in order to free it,
682 * then add in the new
684 adapter->rx_ring = rx_old;
685 adapter->tx_ring = tx_old;
686 e1000e_free_rx_resources(adapter);
687 e1000e_free_tx_resources(adapter);
690 adapter->rx_ring = rx_ring;
691 adapter->tx_ring = tx_ring;
692 err = e1000e_up(adapter);
697 clear_bit(__E1000_RESETTING, &adapter->state);
700 e1000e_free_rx_resources(adapter);
702 adapter->rx_ring = rx_old;
703 adapter->tx_ring = tx_old;
710 clear_bit(__E1000_RESETTING, &adapter->state);
714 static bool reg_pattern_test(struct e1000_adapter *adapter, u64 *data,
715 int reg, int offset, u32 mask, u32 write)
718 static const u32 test[] =
719 {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF};
720 for (pat = 0; pat < ARRAY_SIZE(test); pat++) {
721 E1000_WRITE_REG_ARRAY(&adapter->hw, reg, offset,
722 (test[pat] & write));
723 val = E1000_READ_REG_ARRAY(&adapter->hw, reg, offset);
724 if (val != (test[pat] & write & mask)) {
725 e_err("pattern test reg %04X failed: got 0x%08X "
726 "expected 0x%08X\n", reg + offset, val,
727 (test[pat] & write & mask));
735 static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data,
736 int reg, u32 mask, u32 write)
739 __ew32(&adapter->hw, reg, write & mask);
740 val = __er32(&adapter->hw, reg);
741 if ((write & mask) != (val & mask)) {
742 e_err("set/check reg %04X test failed: got 0x%08X "
743 "expected 0x%08X\n", reg, (val & mask), (write & mask));
749 #define REG_PATTERN_TEST_ARRAY(reg, offset, mask, write) \
751 if (reg_pattern_test(adapter, data, reg, offset, mask, write)) \
754 #define REG_PATTERN_TEST(reg, mask, write) \
755 REG_PATTERN_TEST_ARRAY(reg, 0, mask, write)
757 #define REG_SET_AND_CHECK(reg, mask, write) \
759 if (reg_set_and_check(adapter, data, reg, mask, write)) \
763 static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data)
765 struct e1000_hw *hw = &adapter->hw;
766 struct e1000_mac_info *mac = &adapter->hw.mac;
774 * The status register is Read Only, so a write should fail.
775 * Some bits that get toggled are ignored.
778 /* there are several bits on newer hardware that are r/w */
781 case e1000_80003es2lan:
794 before = er32(STATUS);
795 value = (er32(STATUS) & toggle);
796 ew32(STATUS, toggle);
797 after = er32(STATUS) & toggle;
798 if (value != after) {
799 e_err("failed STATUS register test got: 0x%08X expected: "
800 "0x%08X\n", after, value);
804 /* restore previous status */
805 ew32(STATUS, before);
807 if (!(adapter->flags & FLAG_IS_ICH)) {
808 REG_PATTERN_TEST(E1000_FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
809 REG_PATTERN_TEST(E1000_FCAH, 0x0000FFFF, 0xFFFFFFFF);
810 REG_PATTERN_TEST(E1000_FCT, 0x0000FFFF, 0xFFFFFFFF);
811 REG_PATTERN_TEST(E1000_VET, 0x0000FFFF, 0xFFFFFFFF);
814 REG_PATTERN_TEST(E1000_RDTR, 0x0000FFFF, 0xFFFFFFFF);
815 REG_PATTERN_TEST(E1000_RDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
816 REG_PATTERN_TEST(E1000_RDLEN, 0x000FFF80, 0x000FFFFF);
817 REG_PATTERN_TEST(E1000_RDH, 0x0000FFFF, 0x0000FFFF);
818 REG_PATTERN_TEST(E1000_RDT, 0x0000FFFF, 0x0000FFFF);
819 REG_PATTERN_TEST(E1000_FCRTH, 0x0000FFF8, 0x0000FFF8);
820 REG_PATTERN_TEST(E1000_FCTTV, 0x0000FFFF, 0x0000FFFF);
821 REG_PATTERN_TEST(E1000_TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
822 REG_PATTERN_TEST(E1000_TDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
823 REG_PATTERN_TEST(E1000_TDLEN, 0x000FFF80, 0x000FFFFF);
825 REG_SET_AND_CHECK(E1000_RCTL, 0xFFFFFFFF, 0x00000000);
827 before = ((adapter->flags & FLAG_IS_ICH) ? 0x06C3B33E : 0x06DFB3FE);
828 REG_SET_AND_CHECK(E1000_RCTL, before, 0x003FFFFB);
829 REG_SET_AND_CHECK(E1000_TCTL, 0xFFFFFFFF, 0x00000000);
831 REG_SET_AND_CHECK(E1000_RCTL, before, 0xFFFFFFFF);
832 REG_PATTERN_TEST(E1000_RDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
833 if (!(adapter->flags & FLAG_IS_ICH))
834 REG_PATTERN_TEST(E1000_TXCW, 0xC000FFFF, 0x0000FFFF);
835 REG_PATTERN_TEST(E1000_TDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
836 REG_PATTERN_TEST(E1000_TIDV, 0x0000FFFF, 0x0000FFFF);
837 for (i = 0; i < mac->rar_entry_count; i++)
838 REG_PATTERN_TEST_ARRAY(E1000_RA, ((i << 1) + 1),
839 0x8003FFFF, 0xFFFFFFFF);
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 if ((adapter->flags & FLAG_IS_ICH) && (i == 8))
914 /* Interrupt to test */
919 * Disable the interrupt to be reported in
920 * the cause register and then force the same
921 * interrupt and see if one gets posted. If
922 * an interrupt was posted to the bus, the
925 adapter->test_icr = 0;
930 if (adapter->test_icr & mask) {
937 * Enable the interrupt to be reported in
938 * the cause register and then force the same
939 * interrupt and see if one gets posted. If
940 * an interrupt was not posted to the bus, the
943 adapter->test_icr = 0;
948 if (!(adapter->test_icr & mask)) {
955 * Disable the other interrupts to be reported in
956 * the cause register and then force the other
957 * interrupts and see if any get posted. If
958 * an interrupt was posted to the bus, the
961 adapter->test_icr = 0;
962 ew32(IMC, ~mask & 0x00007FFF);
963 ew32(ICS, ~mask & 0x00007FFF);
966 if (adapter->test_icr) {
973 /* Disable all the interrupts */
974 ew32(IMC, 0xFFFFFFFF);
977 /* Unhook test interrupt handler */
978 free_irq(irq, netdev);
983 static void e1000_free_desc_rings(struct e1000_adapter *adapter)
985 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
986 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
987 struct pci_dev *pdev = adapter->pdev;
990 if (tx_ring->desc && tx_ring->buffer_info) {
991 for (i = 0; i < tx_ring->count; i++) {
992 if (tx_ring->buffer_info[i].dma)
993 pci_unmap_single(pdev,
994 tx_ring->buffer_info[i].dma,
995 tx_ring->buffer_info[i].length,
997 if (tx_ring->buffer_info[i].skb)
998 dev_kfree_skb(tx_ring->buffer_info[i].skb);
1002 if (rx_ring->desc && rx_ring->buffer_info) {
1003 for (i = 0; i < rx_ring->count; i++) {
1004 if (rx_ring->buffer_info[i].dma)
1005 pci_unmap_single(pdev,
1006 rx_ring->buffer_info[i].dma,
1007 2048, PCI_DMA_FROMDEVICE);
1008 if (rx_ring->buffer_info[i].skb)
1009 dev_kfree_skb(rx_ring->buffer_info[i].skb);
1013 if (tx_ring->desc) {
1014 dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc,
1016 tx_ring->desc = NULL;
1018 if (rx_ring->desc) {
1019 dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc,
1021 rx_ring->desc = NULL;
1024 kfree(tx_ring->buffer_info);
1025 tx_ring->buffer_info = NULL;
1026 kfree(rx_ring->buffer_info);
1027 rx_ring->buffer_info = NULL;
1030 static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
1032 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1033 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1034 struct pci_dev *pdev = adapter->pdev;
1035 struct e1000_hw *hw = &adapter->hw;
1040 /* Setup Tx descriptor ring and Tx buffers */
1042 if (!tx_ring->count)
1043 tx_ring->count = E1000_DEFAULT_TXD;
1045 tx_ring->buffer_info = kcalloc(tx_ring->count,
1046 sizeof(struct e1000_buffer),
1048 if (!(tx_ring->buffer_info)) {
1053 tx_ring->size = tx_ring->count * sizeof(struct e1000_tx_desc);
1054 tx_ring->size = ALIGN(tx_ring->size, 4096);
1055 tx_ring->desc = dma_alloc_coherent(&pdev->dev, tx_ring->size,
1056 &tx_ring->dma, GFP_KERNEL);
1057 if (!tx_ring->desc) {
1061 tx_ring->next_to_use = 0;
1062 tx_ring->next_to_clean = 0;
1064 ew32(TDBAL, ((u64) tx_ring->dma & 0x00000000FFFFFFFF));
1065 ew32(TDBAH, ((u64) tx_ring->dma >> 32));
1066 ew32(TDLEN, tx_ring->count * sizeof(struct e1000_tx_desc));
1069 ew32(TCTL, E1000_TCTL_PSP | E1000_TCTL_EN | E1000_TCTL_MULR |
1070 E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
1071 E1000_COLLISION_DISTANCE << E1000_COLD_SHIFT);
1073 for (i = 0; i < tx_ring->count; i++) {
1074 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*tx_ring, i);
1075 struct sk_buff *skb;
1076 unsigned int skb_size = 1024;
1078 skb = alloc_skb(skb_size, GFP_KERNEL);
1083 skb_put(skb, skb_size);
1084 tx_ring->buffer_info[i].skb = skb;
1085 tx_ring->buffer_info[i].length = skb->len;
1086 tx_ring->buffer_info[i].dma =
1087 pci_map_single(pdev, skb->data, skb->len,
1089 if (pci_dma_mapping_error(pdev, tx_ring->buffer_info[i].dma)) {
1093 tx_desc->buffer_addr = cpu_to_le64(tx_ring->buffer_info[i].dma);
1094 tx_desc->lower.data = cpu_to_le32(skb->len);
1095 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
1096 E1000_TXD_CMD_IFCS |
1098 tx_desc->upper.data = 0;
1101 /* Setup Rx descriptor ring and Rx buffers */
1103 if (!rx_ring->count)
1104 rx_ring->count = E1000_DEFAULT_RXD;
1106 rx_ring->buffer_info = kcalloc(rx_ring->count,
1107 sizeof(struct e1000_buffer),
1109 if (!(rx_ring->buffer_info)) {
1114 rx_ring->size = rx_ring->count * sizeof(struct e1000_rx_desc);
1115 rx_ring->desc = dma_alloc_coherent(&pdev->dev, rx_ring->size,
1116 &rx_ring->dma, GFP_KERNEL);
1117 if (!rx_ring->desc) {
1121 rx_ring->next_to_use = 0;
1122 rx_ring->next_to_clean = 0;
1125 ew32(RCTL, rctl & ~E1000_RCTL_EN);
1126 ew32(RDBAL, ((u64) rx_ring->dma & 0xFFFFFFFF));
1127 ew32(RDBAH, ((u64) rx_ring->dma >> 32));
1128 ew32(RDLEN, rx_ring->size);
1131 rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
1132 E1000_RCTL_UPE | E1000_RCTL_MPE | E1000_RCTL_LPE |
1133 E1000_RCTL_SBP | E1000_RCTL_SECRC |
1134 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
1135 (adapter->hw.mac.mc_filter_type << E1000_RCTL_MO_SHIFT);
1138 for (i = 0; i < rx_ring->count; i++) {
1139 struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rx_ring, i);
1140 struct sk_buff *skb;
1142 skb = alloc_skb(2048 + NET_IP_ALIGN, GFP_KERNEL);
1147 skb_reserve(skb, NET_IP_ALIGN);
1148 rx_ring->buffer_info[i].skb = skb;
1149 rx_ring->buffer_info[i].dma =
1150 pci_map_single(pdev, skb->data, 2048,
1151 PCI_DMA_FROMDEVICE);
1152 if (pci_dma_mapping_error(pdev, rx_ring->buffer_info[i].dma)) {
1156 rx_desc->buffer_addr =
1157 cpu_to_le64(rx_ring->buffer_info[i].dma);
1158 memset(skb->data, 0x00, skb->len);
1164 e1000_free_desc_rings(adapter);
1168 static void e1000_phy_disable_receiver(struct e1000_adapter *adapter)
1170 /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1171 e1e_wphy(&adapter->hw, 29, 0x001F);
1172 e1e_wphy(&adapter->hw, 30, 0x8FFC);
1173 e1e_wphy(&adapter->hw, 29, 0x001A);
1174 e1e_wphy(&adapter->hw, 30, 0x8FF0);
1177 static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
1179 struct e1000_hw *hw = &adapter->hw;
1184 hw->mac.autoneg = 0;
1186 if (hw->phy.type == e1000_phy_m88) {
1187 /* Auto-MDI/MDIX Off */
1188 e1e_wphy(hw, M88E1000_PHY_SPEC_CTRL, 0x0808);
1189 /* reset to update Auto-MDI/MDIX */
1190 e1e_wphy(hw, PHY_CONTROL, 0x9140);
1192 e1e_wphy(hw, PHY_CONTROL, 0x8140);
1193 } else if (hw->phy.type == e1000_phy_gg82563)
1194 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x1CC);
1196 ctrl_reg = er32(CTRL);
1198 switch (hw->phy.type) {
1200 /* force 100, set loopback */
1201 e1e_wphy(hw, PHY_CONTROL, 0x6100);
1203 /* Now set up the MAC to the same speed/duplex as the PHY. */
1204 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1205 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1206 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1207 E1000_CTRL_SPD_100 |/* Force Speed to 100 */
1208 E1000_CTRL_FD); /* Force Duplex to FULL */
1211 /* Set Default MAC Interface speed to 1GB */
1212 e1e_rphy(hw, PHY_REG(2, 21), &phy_reg);
1215 e1e_wphy(hw, PHY_REG(2, 21), phy_reg);
1216 /* Assert SW reset for above settings to take effect */
1217 e1000e_commit_phy(hw);
1219 /* Force Full Duplex */
1220 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg);
1221 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x000C);
1222 /* Set Link Up (in force link) */
1223 e1e_rphy(hw, PHY_REG(776, 16), &phy_reg);
1224 e1e_wphy(hw, PHY_REG(776, 16), phy_reg | 0x0040);
1226 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg);
1227 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x0040);
1228 /* Set Early Link Enable */
1229 e1e_rphy(hw, PHY_REG(769, 20), &phy_reg);
1230 e1e_wphy(hw, PHY_REG(769, 20), phy_reg | 0x0400);
1233 /* force 1000, set loopback */
1234 e1e_wphy(hw, PHY_CONTROL, 0x4140);
1237 /* Now set up the MAC to the same speed/duplex as the PHY. */
1238 ctrl_reg = er32(CTRL);
1239 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1240 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1241 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1242 E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
1243 E1000_CTRL_FD); /* Force Duplex to FULL */
1245 if (adapter->flags & FLAG_IS_ICH)
1246 ctrl_reg |= E1000_CTRL_SLU; /* Set Link Up */
1249 if (hw->phy.media_type == e1000_media_type_copper &&
1250 hw->phy.type == e1000_phy_m88) {
1251 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
1254 * Set the ILOS bit on the fiber Nic if half duplex link is
1257 stat_reg = er32(STATUS);
1258 if ((stat_reg & E1000_STATUS_FD) == 0)
1259 ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
1262 ew32(CTRL, ctrl_reg);
1265 * Disable the receiver on the PHY so when a cable is plugged in, the
1266 * PHY does not begin to autoneg when a cable is reconnected to the NIC.
1268 if (hw->phy.type == e1000_phy_m88)
1269 e1000_phy_disable_receiver(adapter);
1276 static int e1000_set_82571_fiber_loopback(struct e1000_adapter *adapter)
1278 struct e1000_hw *hw = &adapter->hw;
1279 u32 ctrl = er32(CTRL);
1282 /* special requirements for 82571/82572 fiber adapters */
1285 * jump through hoops to make sure link is up because serdes
1286 * link is hardwired up
1288 ctrl |= E1000_CTRL_SLU;
1291 /* disable autoneg */
1296 link = (er32(STATUS) & E1000_STATUS_LU);
1299 /* set invert loss of signal */
1301 ctrl |= E1000_CTRL_ILOS;
1306 * special write to serdes control register to enable SerDes analog
1309 #define E1000_SERDES_LB_ON 0x410
1310 ew32(SCTL, E1000_SERDES_LB_ON);
1316 /* only call this for fiber/serdes connections to es2lan */
1317 static int e1000_set_es2lan_mac_loopback(struct e1000_adapter *adapter)
1319 struct e1000_hw *hw = &adapter->hw;
1320 u32 ctrlext = er32(CTRL_EXT);
1321 u32 ctrl = er32(CTRL);
1324 * save CTRL_EXT to restore later, reuse an empty variable (unused
1325 * on mac_type 80003es2lan)
1327 adapter->tx_fifo_head = ctrlext;
1329 /* clear the serdes mode bits, putting the device into mac loopback */
1330 ctrlext &= ~E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES;
1331 ew32(CTRL_EXT, ctrlext);
1333 /* force speed to 1000/FD, link up */
1334 ctrl &= ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100);
1335 ctrl |= (E1000_CTRL_SLU | E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX |
1336 E1000_CTRL_SPD_1000 | E1000_CTRL_FD);
1339 /* set mac loopback */
1341 ctrl |= E1000_RCTL_LBM_MAC;
1344 /* set testing mode parameters (no need to reset later) */
1345 #define KMRNCTRLSTA_OPMODE (0x1F << 16)
1346 #define KMRNCTRLSTA_OPMODE_1GB_FD_GMII 0x0582
1348 (KMRNCTRLSTA_OPMODE | KMRNCTRLSTA_OPMODE_1GB_FD_GMII));
1353 static int e1000_setup_loopback_test(struct e1000_adapter *adapter)
1355 struct e1000_hw *hw = &adapter->hw;
1358 if (hw->phy.media_type == e1000_media_type_fiber ||
1359 hw->phy.media_type == e1000_media_type_internal_serdes) {
1360 switch (hw->mac.type) {
1361 case e1000_80003es2lan:
1362 return e1000_set_es2lan_mac_loopback(adapter);
1366 return e1000_set_82571_fiber_loopback(adapter);
1370 rctl |= E1000_RCTL_LBM_TCVR;
1374 } else if (hw->phy.media_type == e1000_media_type_copper) {
1375 return e1000_integrated_phy_loopback(adapter);
1381 static void e1000_loopback_cleanup(struct e1000_adapter *adapter)
1383 struct e1000_hw *hw = &adapter->hw;
1388 rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
1391 switch (hw->mac.type) {
1392 case e1000_80003es2lan:
1393 if (hw->phy.media_type == e1000_media_type_fiber ||
1394 hw->phy.media_type == e1000_media_type_internal_serdes) {
1395 /* restore CTRL_EXT, stealing space from tx_fifo_head */
1396 ew32(CTRL_EXT, adapter->tx_fifo_head);
1397 adapter->tx_fifo_head = 0;
1402 if (hw->phy.media_type == e1000_media_type_fiber ||
1403 hw->phy.media_type == e1000_media_type_internal_serdes) {
1404 #define E1000_SERDES_LB_OFF 0x400
1405 ew32(SCTL, E1000_SERDES_LB_OFF);
1411 hw->mac.autoneg = 1;
1412 if (hw->phy.type == e1000_phy_gg82563)
1413 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x180);
1414 e1e_rphy(hw, PHY_CONTROL, &phy_reg);
1415 if (phy_reg & MII_CR_LOOPBACK) {
1416 phy_reg &= ~MII_CR_LOOPBACK;
1417 e1e_wphy(hw, PHY_CONTROL, phy_reg);
1418 e1000e_commit_phy(hw);
1424 static void e1000_create_lbtest_frame(struct sk_buff *skb,
1425 unsigned int frame_size)
1427 memset(skb->data, 0xFF, frame_size);
1429 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1430 memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
1431 memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
1434 static int e1000_check_lbtest_frame(struct sk_buff *skb,
1435 unsigned int frame_size)
1438 if (*(skb->data + 3) == 0xFF)
1439 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
1440 (*(skb->data + frame_size / 2 + 12) == 0xAF))
1445 static int e1000_run_loopback_test(struct e1000_adapter *adapter)
1447 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1448 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1449 struct pci_dev *pdev = adapter->pdev;
1450 struct e1000_hw *hw = &adapter->hw;
1457 ew32(RDT, rx_ring->count - 1);
1460 * Calculate the loop count based on the largest descriptor ring
1461 * The idea is to wrap the largest ring a number of times using 64
1462 * send/receive pairs during each loop
1465 if (rx_ring->count <= tx_ring->count)
1466 lc = ((tx_ring->count / 64) * 2) + 1;
1468 lc = ((rx_ring->count / 64) * 2) + 1;
1472 for (j = 0; j <= lc; j++) { /* loop count loop */
1473 for (i = 0; i < 64; i++) { /* send the packets */
1474 e1000_create_lbtest_frame(tx_ring->buffer_info[k].skb,
1476 pci_dma_sync_single_for_device(pdev,
1477 tx_ring->buffer_info[k].dma,
1478 tx_ring->buffer_info[k].length,
1481 if (k == tx_ring->count)
1486 time = jiffies; /* set the start time for the receive */
1488 do { /* receive the sent packets */
1489 pci_dma_sync_single_for_cpu(pdev,
1490 rx_ring->buffer_info[l].dma, 2048,
1491 PCI_DMA_FROMDEVICE);
1493 ret_val = e1000_check_lbtest_frame(
1494 rx_ring->buffer_info[l].skb, 1024);
1498 if (l == rx_ring->count)
1501 * time + 20 msecs (200 msecs on 2.4) is more than
1502 * enough time to complete the receives, if it's
1503 * exceeded, break and error off
1505 } while ((good_cnt < 64) && !time_after(jiffies, time + 20));
1506 if (good_cnt != 64) {
1507 ret_val = 13; /* ret_val is the same as mis-compare */
1510 if (jiffies >= (time + 20)) {
1511 ret_val = 14; /* error code for time out error */
1514 } /* end loop count loop */
1518 static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data)
1521 * PHY loopback cannot be performed if SoL/IDER
1522 * sessions are active
1524 if (e1000_check_reset_block(&adapter->hw)) {
1525 e_err("Cannot do PHY loopback test when SoL/IDER is active.\n");
1530 *data = e1000_setup_desc_rings(adapter);
1534 *data = e1000_setup_loopback_test(adapter);
1538 *data = e1000_run_loopback_test(adapter);
1539 e1000_loopback_cleanup(adapter);
1542 e1000_free_desc_rings(adapter);
1547 static int e1000_link_test(struct e1000_adapter *adapter, u64 *data)
1549 struct e1000_hw *hw = &adapter->hw;
1552 if (hw->phy.media_type == e1000_media_type_internal_serdes) {
1554 hw->mac.serdes_has_link = 0;
1557 * On some blade server designs, link establishment
1558 * could take as long as 2-3 minutes
1561 hw->mac.ops.check_for_link(hw);
1562 if (hw->mac.serdes_has_link)
1565 } while (i++ < 3750);
1569 hw->mac.ops.check_for_link(hw);
1570 if (hw->mac.autoneg)
1573 if (!(er32(STATUS) &
1580 static int e1000e_get_sset_count(struct net_device *netdev, int sset)
1584 return E1000_TEST_LEN;
1586 return E1000_STATS_LEN;
1592 static void e1000_diag_test(struct net_device *netdev,
1593 struct ethtool_test *eth_test, u64 *data)
1595 struct e1000_adapter *adapter = netdev_priv(netdev);
1596 u16 autoneg_advertised;
1597 u8 forced_speed_duplex;
1599 bool if_running = netif_running(netdev);
1601 set_bit(__E1000_TESTING, &adapter->state);
1602 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1605 /* save speed, duplex, autoneg settings */
1606 autoneg_advertised = adapter->hw.phy.autoneg_advertised;
1607 forced_speed_duplex = adapter->hw.mac.forced_speed_duplex;
1608 autoneg = adapter->hw.mac.autoneg;
1610 e_info("offline testing starting\n");
1613 * Link test performed before hardware reset so autoneg doesn't
1614 * interfere with test result
1616 if (e1000_link_test(adapter, &data[4]))
1617 eth_test->flags |= ETH_TEST_FL_FAILED;
1620 /* indicate we're in test mode */
1623 e1000e_reset(adapter);
1625 if (e1000_reg_test(adapter, &data[0]))
1626 eth_test->flags |= ETH_TEST_FL_FAILED;
1628 e1000e_reset(adapter);
1629 if (e1000_eeprom_test(adapter, &data[1]))
1630 eth_test->flags |= ETH_TEST_FL_FAILED;
1632 e1000e_reset(adapter);
1633 if (e1000_intr_test(adapter, &data[2]))
1634 eth_test->flags |= ETH_TEST_FL_FAILED;
1636 e1000e_reset(adapter);
1637 /* make sure the phy is powered up */
1638 e1000e_power_up_phy(adapter);
1639 if (e1000_loopback_test(adapter, &data[3]))
1640 eth_test->flags |= ETH_TEST_FL_FAILED;
1642 /* restore speed, duplex, autoneg settings */
1643 adapter->hw.phy.autoneg_advertised = autoneg_advertised;
1644 adapter->hw.mac.forced_speed_duplex = forced_speed_duplex;
1645 adapter->hw.mac.autoneg = autoneg;
1647 /* force this routine to wait until autoneg complete/timeout */
1648 adapter->hw.phy.autoneg_wait_to_complete = 1;
1649 e1000e_reset(adapter);
1650 adapter->hw.phy.autoneg_wait_to_complete = 0;
1652 clear_bit(__E1000_TESTING, &adapter->state);
1656 e_info("online testing starting\n");
1658 if (e1000_link_test(adapter, &data[4]))
1659 eth_test->flags |= ETH_TEST_FL_FAILED;
1661 /* Online tests aren't run; pass by default */
1667 clear_bit(__E1000_TESTING, &adapter->state);
1669 msleep_interruptible(4 * 1000);
1672 static void e1000_get_wol(struct net_device *netdev,
1673 struct ethtool_wolinfo *wol)
1675 struct e1000_adapter *adapter = netdev_priv(netdev);
1680 if (!(adapter->flags & FLAG_HAS_WOL))
1683 wol->supported = WAKE_UCAST | WAKE_MCAST |
1684 WAKE_BCAST | WAKE_MAGIC |
1685 WAKE_PHY | WAKE_ARP;
1687 /* apply any specific unsupported masks here */
1688 if (adapter->flags & FLAG_NO_WAKE_UCAST) {
1689 wol->supported &= ~WAKE_UCAST;
1691 if (adapter->wol & E1000_WUFC_EX)
1692 e_err("Interface does not support directed (unicast) "
1693 "frame wake-up packets\n");
1696 if (adapter->wol & E1000_WUFC_EX)
1697 wol->wolopts |= WAKE_UCAST;
1698 if (adapter->wol & E1000_WUFC_MC)
1699 wol->wolopts |= WAKE_MCAST;
1700 if (adapter->wol & E1000_WUFC_BC)
1701 wol->wolopts |= WAKE_BCAST;
1702 if (adapter->wol & E1000_WUFC_MAG)
1703 wol->wolopts |= WAKE_MAGIC;
1704 if (adapter->wol & E1000_WUFC_LNKC)
1705 wol->wolopts |= WAKE_PHY;
1706 if (adapter->wol & E1000_WUFC_ARP)
1707 wol->wolopts |= WAKE_ARP;
1710 static int e1000_set_wol(struct net_device *netdev,
1711 struct ethtool_wolinfo *wol)
1713 struct e1000_adapter *adapter = netdev_priv(netdev);
1715 if (wol->wolopts & WAKE_MAGICSECURE)
1718 if (!(adapter->flags & FLAG_HAS_WOL))
1719 return wol->wolopts ? -EOPNOTSUPP : 0;
1721 /* these settings will always override what we currently have */
1724 if (wol->wolopts & WAKE_UCAST)
1725 adapter->wol |= E1000_WUFC_EX;
1726 if (wol->wolopts & WAKE_MCAST)
1727 adapter->wol |= E1000_WUFC_MC;
1728 if (wol->wolopts & WAKE_BCAST)
1729 adapter->wol |= E1000_WUFC_BC;
1730 if (wol->wolopts & WAKE_MAGIC)
1731 adapter->wol |= E1000_WUFC_MAG;
1732 if (wol->wolopts & WAKE_PHY)
1733 adapter->wol |= E1000_WUFC_LNKC;
1734 if (wol->wolopts & WAKE_ARP)
1735 adapter->wol |= E1000_WUFC_ARP;
1740 /* toggle LED 4 times per second = 2 "blinks" per second */
1741 #define E1000_ID_INTERVAL (HZ/4)
1743 /* bit defines for adapter->led_status */
1744 #define E1000_LED_ON 0
1746 static void e1000_led_blink_callback(unsigned long data)
1748 struct e1000_adapter *adapter = (struct e1000_adapter *) data;
1750 if (test_and_change_bit(E1000_LED_ON, &adapter->led_status))
1751 adapter->hw.mac.ops.led_off(&adapter->hw);
1753 adapter->hw.mac.ops.led_on(&adapter->hw);
1755 mod_timer(&adapter->blink_timer, jiffies + E1000_ID_INTERVAL);
1758 static int e1000_phys_id(struct net_device *netdev, u32 data)
1760 struct e1000_adapter *adapter = netdev_priv(netdev);
1765 if (adapter->hw.phy.type == e1000_phy_ife) {
1766 if (!adapter->blink_timer.function) {
1767 init_timer(&adapter->blink_timer);
1768 adapter->blink_timer.function =
1769 e1000_led_blink_callback;
1770 adapter->blink_timer.data = (unsigned long) adapter;
1772 mod_timer(&adapter->blink_timer, jiffies);
1773 msleep_interruptible(data * 1000);
1774 del_timer_sync(&adapter->blink_timer);
1775 e1e_wphy(&adapter->hw,
1776 IFE_PHY_SPECIAL_CONTROL_LED, 0);
1778 e1000e_blink_led(&adapter->hw);
1779 msleep_interruptible(data * 1000);
1782 adapter->hw.mac.ops.led_off(&adapter->hw);
1783 clear_bit(E1000_LED_ON, &adapter->led_status);
1784 adapter->hw.mac.ops.cleanup_led(&adapter->hw);
1789 static int e1000_get_coalesce(struct net_device *netdev,
1790 struct ethtool_coalesce *ec)
1792 struct e1000_adapter *adapter = netdev_priv(netdev);
1794 if (adapter->itr_setting <= 3)
1795 ec->rx_coalesce_usecs = adapter->itr_setting;
1797 ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting;
1802 static int e1000_set_coalesce(struct net_device *netdev,
1803 struct ethtool_coalesce *ec)
1805 struct e1000_adapter *adapter = netdev_priv(netdev);
1806 struct e1000_hw *hw = &adapter->hw;
1808 if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) ||
1809 ((ec->rx_coalesce_usecs > 3) &&
1810 (ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) ||
1811 (ec->rx_coalesce_usecs == 2))
1814 if (ec->rx_coalesce_usecs <= 3) {
1815 adapter->itr = 20000;
1816 adapter->itr_setting = ec->rx_coalesce_usecs;
1818 adapter->itr = (1000000 / ec->rx_coalesce_usecs);
1819 adapter->itr_setting = adapter->itr & ~3;
1822 if (adapter->itr_setting != 0)
1823 ew32(ITR, 1000000000 / (adapter->itr * 256));
1830 static int e1000_nway_reset(struct net_device *netdev)
1832 struct e1000_adapter *adapter = netdev_priv(netdev);
1833 if (netif_running(netdev))
1834 e1000e_reinit_locked(adapter);
1838 static void e1000_get_ethtool_stats(struct net_device *netdev,
1839 struct ethtool_stats *stats,
1842 struct e1000_adapter *adapter = netdev_priv(netdev);
1845 e1000e_update_stats(adapter);
1846 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1847 char *p = (char *)adapter+e1000_gstrings_stats[i].stat_offset;
1848 data[i] = (e1000_gstrings_stats[i].sizeof_stat ==
1849 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1853 static void e1000_get_strings(struct net_device *netdev, u32 stringset,
1859 switch (stringset) {
1861 memcpy(data, *e1000_gstrings_test, sizeof(e1000_gstrings_test));
1864 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1865 memcpy(p, e1000_gstrings_stats[i].stat_string,
1867 p += ETH_GSTRING_LEN;
1873 static const struct ethtool_ops e1000_ethtool_ops = {
1874 .get_settings = e1000_get_settings,
1875 .set_settings = e1000_set_settings,
1876 .get_drvinfo = e1000_get_drvinfo,
1877 .get_regs_len = e1000_get_regs_len,
1878 .get_regs = e1000_get_regs,
1879 .get_wol = e1000_get_wol,
1880 .set_wol = e1000_set_wol,
1881 .get_msglevel = e1000_get_msglevel,
1882 .set_msglevel = e1000_set_msglevel,
1883 .nway_reset = e1000_nway_reset,
1884 .get_link = e1000_get_link,
1885 .get_eeprom_len = e1000_get_eeprom_len,
1886 .get_eeprom = e1000_get_eeprom,
1887 .set_eeprom = e1000_set_eeprom,
1888 .get_ringparam = e1000_get_ringparam,
1889 .set_ringparam = e1000_set_ringparam,
1890 .get_pauseparam = e1000_get_pauseparam,
1891 .set_pauseparam = e1000_set_pauseparam,
1892 .get_rx_csum = e1000_get_rx_csum,
1893 .set_rx_csum = e1000_set_rx_csum,
1894 .get_tx_csum = e1000_get_tx_csum,
1895 .set_tx_csum = e1000_set_tx_csum,
1896 .get_sg = ethtool_op_get_sg,
1897 .set_sg = ethtool_op_set_sg,
1898 .get_tso = ethtool_op_get_tso,
1899 .set_tso = e1000_set_tso,
1900 .self_test = e1000_diag_test,
1901 .get_strings = e1000_get_strings,
1902 .phys_id = e1000_phys_id,
1903 .get_ethtool_stats = e1000_get_ethtool_stats,
1904 .get_sset_count = e1000e_get_sset_count,
1905 .get_coalesce = e1000_get_coalesce,
1906 .set_coalesce = e1000_set_coalesce,
1909 void e1000e_set_ethtool_ops(struct net_device *netdev)
1911 SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops);