1 /*******************************************************************************
3 Intel PRO/1000 Linux driver
4 Copyright(c) 1999 - 2011 Intel Corporation.
6 This program is free software; you can redistribute it and/or modify it
7 under the terms and conditions of the GNU General Public License,
8 version 2, as published by the Free Software Foundation.
10 This program is distributed in the hope it will be useful, but WITHOUT
11 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
15 You should have received a copy of the GNU General Public License along with
16 this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
19 The full GNU General Public License is included in this distribution in
20 the file called "COPYING".
23 Linux NICS <linux.nics@intel.com>
24 e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
25 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
27 *******************************************************************************/
29 /* ethtool support for e1000 */
31 #include <linux/netdevice.h>
32 #include <linux/interrupt.h>
33 #include <linux/ethtool.h>
34 #include <linux/pci.h>
35 #include <linux/slab.h>
36 #include <linux/delay.h>
40 enum {NETDEV_STATS, E1000_STATS};
43 char stat_string[ETH_GSTRING_LEN];
49 #define E1000_STAT(str, m) { \
51 .type = E1000_STATS, \
52 .sizeof_stat = sizeof(((struct e1000_adapter *)0)->m), \
53 .stat_offset = offsetof(struct e1000_adapter, m) }
54 #define E1000_NETDEV_STAT(str, m) { \
56 .type = NETDEV_STATS, \
57 .sizeof_stat = sizeof(((struct rtnl_link_stats64 *)0)->m), \
58 .stat_offset = offsetof(struct rtnl_link_stats64, m) }
60 static const struct e1000_stats e1000_gstrings_stats[] = {
61 E1000_STAT("rx_packets", stats.gprc),
62 E1000_STAT("tx_packets", stats.gptc),
63 E1000_STAT("rx_bytes", stats.gorc),
64 E1000_STAT("tx_bytes", stats.gotc),
65 E1000_STAT("rx_broadcast", stats.bprc),
66 E1000_STAT("tx_broadcast", stats.bptc),
67 E1000_STAT("rx_multicast", stats.mprc),
68 E1000_STAT("tx_multicast", stats.mptc),
69 E1000_NETDEV_STAT("rx_errors", rx_errors),
70 E1000_NETDEV_STAT("tx_errors", tx_errors),
71 E1000_NETDEV_STAT("tx_dropped", tx_dropped),
72 E1000_STAT("multicast", stats.mprc),
73 E1000_STAT("collisions", stats.colc),
74 E1000_NETDEV_STAT("rx_length_errors", rx_length_errors),
75 E1000_NETDEV_STAT("rx_over_errors", rx_over_errors),
76 E1000_STAT("rx_crc_errors", stats.crcerrs),
77 E1000_NETDEV_STAT("rx_frame_errors", rx_frame_errors),
78 E1000_STAT("rx_no_buffer_count", stats.rnbc),
79 E1000_STAT("rx_missed_errors", stats.mpc),
80 E1000_STAT("tx_aborted_errors", stats.ecol),
81 E1000_STAT("tx_carrier_errors", stats.tncrs),
82 E1000_NETDEV_STAT("tx_fifo_errors", tx_fifo_errors),
83 E1000_NETDEV_STAT("tx_heartbeat_errors", tx_heartbeat_errors),
84 E1000_STAT("tx_window_errors", stats.latecol),
85 E1000_STAT("tx_abort_late_coll", stats.latecol),
86 E1000_STAT("tx_deferred_ok", stats.dc),
87 E1000_STAT("tx_single_coll_ok", stats.scc),
88 E1000_STAT("tx_multi_coll_ok", stats.mcc),
89 E1000_STAT("tx_timeout_count", tx_timeout_count),
90 E1000_STAT("tx_restart_queue", restart_queue),
91 E1000_STAT("rx_long_length_errors", stats.roc),
92 E1000_STAT("rx_short_length_errors", stats.ruc),
93 E1000_STAT("rx_align_errors", stats.algnerrc),
94 E1000_STAT("tx_tcp_seg_good", stats.tsctc),
95 E1000_STAT("tx_tcp_seg_failed", stats.tsctfc),
96 E1000_STAT("rx_flow_control_xon", stats.xonrxc),
97 E1000_STAT("rx_flow_control_xoff", stats.xoffrxc),
98 E1000_STAT("tx_flow_control_xon", stats.xontxc),
99 E1000_STAT("tx_flow_control_xoff", stats.xofftxc),
100 E1000_STAT("rx_long_byte_count", stats.gorc),
101 E1000_STAT("rx_csum_offload_good", hw_csum_good),
102 E1000_STAT("rx_csum_offload_errors", hw_csum_err),
103 E1000_STAT("rx_header_split", rx_hdr_split),
104 E1000_STAT("alloc_rx_buff_failed", alloc_rx_buff_failed),
105 E1000_STAT("tx_smbus", stats.mgptc),
106 E1000_STAT("rx_smbus", stats.mgprc),
107 E1000_STAT("dropped_smbus", stats.mgpdc),
108 E1000_STAT("rx_dma_failed", rx_dma_failed),
109 E1000_STAT("tx_dma_failed", tx_dma_failed),
112 #define E1000_GLOBAL_STATS_LEN ARRAY_SIZE(e1000_gstrings_stats)
113 #define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN)
114 static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = {
115 "Register test (offline)", "Eeprom test (offline)",
116 "Interrupt test (offline)", "Loopback test (offline)",
117 "Link test (on/offline)"
119 #define E1000_TEST_LEN ARRAY_SIZE(e1000_gstrings_test)
121 static int e1000_get_settings(struct net_device *netdev,
122 struct ethtool_cmd *ecmd)
124 struct e1000_adapter *adapter = netdev_priv(netdev);
125 struct e1000_hw *hw = &adapter->hw;
128 if (hw->phy.media_type == e1000_media_type_copper) {
130 ecmd->supported = (SUPPORTED_10baseT_Half |
131 SUPPORTED_10baseT_Full |
132 SUPPORTED_100baseT_Half |
133 SUPPORTED_100baseT_Full |
134 SUPPORTED_1000baseT_Full |
137 if (hw->phy.type == e1000_phy_ife)
138 ecmd->supported &= ~SUPPORTED_1000baseT_Full;
139 ecmd->advertising = ADVERTISED_TP;
141 if (hw->mac.autoneg == 1) {
142 ecmd->advertising |= ADVERTISED_Autoneg;
143 /* the e1000 autoneg seems to match ethtool nicely */
144 ecmd->advertising |= hw->phy.autoneg_advertised;
147 ecmd->port = PORT_TP;
148 ecmd->phy_address = hw->phy.addr;
149 ecmd->transceiver = XCVR_INTERNAL;
152 ecmd->supported = (SUPPORTED_1000baseT_Full |
156 ecmd->advertising = (ADVERTISED_1000baseT_Full |
160 ecmd->port = PORT_FIBRE;
161 ecmd->transceiver = XCVR_EXTERNAL;
167 if (netif_running(netdev)) {
168 if (netif_carrier_ok(netdev)) {
169 speed = adapter->link_speed;
170 ecmd->duplex = adapter->link_duplex - 1;
173 u32 status = er32(STATUS);
174 if (status & E1000_STATUS_LU) {
175 if (status & E1000_STATUS_SPEED_1000)
177 else if (status & E1000_STATUS_SPEED_100)
182 if (status & E1000_STATUS_FD)
183 ecmd->duplex = DUPLEX_FULL;
185 ecmd->duplex = DUPLEX_HALF;
189 ethtool_cmd_speed_set(ecmd, speed);
190 ecmd->autoneg = ((hw->phy.media_type == e1000_media_type_fiber) ||
191 hw->mac.autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE;
193 /* MDI-X => 2; MDI =>1; Invalid =>0 */
194 if ((hw->phy.media_type == e1000_media_type_copper) &&
195 netif_carrier_ok(netdev))
196 ecmd->eth_tp_mdix = hw->phy.is_mdix ? ETH_TP_MDI_X :
199 ecmd->eth_tp_mdix = ETH_TP_MDI_INVALID;
204 static int e1000_set_spd_dplx(struct e1000_adapter *adapter, u32 spd, u8 dplx)
206 struct e1000_mac_info *mac = &adapter->hw.mac;
210 /* Make sure dplx is at most 1 bit and lsb of speed is not set
211 * for the switch() below to work */
212 if ((spd & 1) || (dplx & ~1))
215 /* Fiber NICs only allow 1000 gbps Full duplex */
216 if ((adapter->hw.phy.media_type == e1000_media_type_fiber) &&
218 dplx != DUPLEX_FULL) {
222 switch (spd + dplx) {
223 case SPEED_10 + DUPLEX_HALF:
224 mac->forced_speed_duplex = ADVERTISE_10_HALF;
226 case SPEED_10 + DUPLEX_FULL:
227 mac->forced_speed_duplex = ADVERTISE_10_FULL;
229 case SPEED_100 + DUPLEX_HALF:
230 mac->forced_speed_duplex = ADVERTISE_100_HALF;
232 case SPEED_100 + DUPLEX_FULL:
233 mac->forced_speed_duplex = ADVERTISE_100_FULL;
235 case SPEED_1000 + DUPLEX_FULL:
237 adapter->hw.phy.autoneg_advertised = ADVERTISE_1000_FULL;
239 case SPEED_1000 + DUPLEX_HALF: /* not supported */
246 e_err("Unsupported Speed/Duplex configuration\n");
250 static int e1000_set_settings(struct net_device *netdev,
251 struct ethtool_cmd *ecmd)
253 struct e1000_adapter *adapter = netdev_priv(netdev);
254 struct e1000_hw *hw = &adapter->hw;
257 * When SoL/IDER sessions are active, autoneg/speed/duplex
260 if (e1000_check_reset_block(hw)) {
261 e_err("Cannot change link characteristics when SoL/IDER is "
266 while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
267 usleep_range(1000, 2000);
269 if (ecmd->autoneg == AUTONEG_ENABLE) {
271 if (hw->phy.media_type == e1000_media_type_fiber)
272 hw->phy.autoneg_advertised = ADVERTISED_1000baseT_Full |
276 hw->phy.autoneg_advertised = ecmd->advertising |
279 ecmd->advertising = hw->phy.autoneg_advertised;
280 if (adapter->fc_autoneg)
281 hw->fc.requested_mode = e1000_fc_default;
283 u32 speed = ethtool_cmd_speed(ecmd);
284 if (e1000_set_spd_dplx(adapter, speed, ecmd->duplex)) {
285 clear_bit(__E1000_RESETTING, &adapter->state);
292 if (netif_running(adapter->netdev)) {
293 e1000e_down(adapter);
296 e1000e_reset(adapter);
299 clear_bit(__E1000_RESETTING, &adapter->state);
303 static void e1000_get_pauseparam(struct net_device *netdev,
304 struct ethtool_pauseparam *pause)
306 struct e1000_adapter *adapter = netdev_priv(netdev);
307 struct e1000_hw *hw = &adapter->hw;
310 (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE);
312 if (hw->fc.current_mode == e1000_fc_rx_pause) {
314 } else if (hw->fc.current_mode == e1000_fc_tx_pause) {
316 } else if (hw->fc.current_mode == e1000_fc_full) {
322 static int e1000_set_pauseparam(struct net_device *netdev,
323 struct ethtool_pauseparam *pause)
325 struct e1000_adapter *adapter = netdev_priv(netdev);
326 struct e1000_hw *hw = &adapter->hw;
329 adapter->fc_autoneg = pause->autoneg;
331 while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
332 usleep_range(1000, 2000);
334 if (adapter->fc_autoneg == AUTONEG_ENABLE) {
335 hw->fc.requested_mode = e1000_fc_default;
336 if (netif_running(adapter->netdev)) {
337 e1000e_down(adapter);
340 e1000e_reset(adapter);
343 if (pause->rx_pause && pause->tx_pause)
344 hw->fc.requested_mode = e1000_fc_full;
345 else if (pause->rx_pause && !pause->tx_pause)
346 hw->fc.requested_mode = e1000_fc_rx_pause;
347 else if (!pause->rx_pause && pause->tx_pause)
348 hw->fc.requested_mode = e1000_fc_tx_pause;
349 else if (!pause->rx_pause && !pause->tx_pause)
350 hw->fc.requested_mode = e1000_fc_none;
352 hw->fc.current_mode = hw->fc.requested_mode;
354 if (hw->phy.media_type == e1000_media_type_fiber) {
355 retval = hw->mac.ops.setup_link(hw);
356 /* implicit goto out */
358 retval = e1000e_force_mac_fc(hw);
361 e1000e_set_fc_watermarks(hw);
366 clear_bit(__E1000_RESETTING, &adapter->state);
370 static u32 e1000_get_rx_csum(struct net_device *netdev)
372 struct e1000_adapter *adapter = netdev_priv(netdev);
373 return adapter->flags & FLAG_RX_CSUM_ENABLED;
376 static int e1000_set_rx_csum(struct net_device *netdev, u32 data)
378 struct e1000_adapter *adapter = netdev_priv(netdev);
381 adapter->flags |= FLAG_RX_CSUM_ENABLED;
383 adapter->flags &= ~FLAG_RX_CSUM_ENABLED;
385 if (netif_running(netdev))
386 e1000e_reinit_locked(adapter);
388 e1000e_reset(adapter);
392 static u32 e1000_get_tx_csum(struct net_device *netdev)
394 return (netdev->features & NETIF_F_HW_CSUM) != 0;
397 static int e1000_set_tx_csum(struct net_device *netdev, u32 data)
400 netdev->features |= NETIF_F_HW_CSUM;
402 netdev->features &= ~NETIF_F_HW_CSUM;
407 static int e1000_set_tso(struct net_device *netdev, u32 data)
409 struct e1000_adapter *adapter = netdev_priv(netdev);
412 netdev->features |= NETIF_F_TSO;
413 netdev->features |= NETIF_F_TSO6;
415 netdev->features &= ~NETIF_F_TSO;
416 netdev->features &= ~NETIF_F_TSO6;
419 adapter->flags |= FLAG_TSO_FORCE;
423 static u32 e1000_get_msglevel(struct net_device *netdev)
425 struct e1000_adapter *adapter = netdev_priv(netdev);
426 return adapter->msg_enable;
429 static void e1000_set_msglevel(struct net_device *netdev, u32 data)
431 struct e1000_adapter *adapter = netdev_priv(netdev);
432 adapter->msg_enable = data;
435 static int e1000_get_regs_len(struct net_device *netdev)
437 #define E1000_REGS_LEN 32 /* overestimate */
438 return E1000_REGS_LEN * sizeof(u32);
441 static void e1000_get_regs(struct net_device *netdev,
442 struct ethtool_regs *regs, void *p)
444 struct e1000_adapter *adapter = netdev_priv(netdev);
445 struct e1000_hw *hw = &adapter->hw;
449 memset(p, 0, E1000_REGS_LEN * sizeof(u32));
451 regs->version = (1 << 24) | (adapter->pdev->revision << 16) |
452 adapter->pdev->device;
454 regs_buff[0] = er32(CTRL);
455 regs_buff[1] = er32(STATUS);
457 regs_buff[2] = er32(RCTL);
458 regs_buff[3] = er32(RDLEN);
459 regs_buff[4] = er32(RDH);
460 regs_buff[5] = er32(RDT);
461 regs_buff[6] = er32(RDTR);
463 regs_buff[7] = er32(TCTL);
464 regs_buff[8] = er32(TDLEN);
465 regs_buff[9] = er32(TDH);
466 regs_buff[10] = er32(TDT);
467 regs_buff[11] = er32(TIDV);
469 regs_buff[12] = adapter->hw.phy.type; /* PHY type (IGP=1, M88=0) */
471 /* ethtool doesn't use anything past this point, so all this
472 * code is likely legacy junk for apps that may or may not
474 if (hw->phy.type == e1000_phy_m88) {
475 e1e_rphy(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
476 regs_buff[13] = (u32)phy_data; /* cable length */
477 regs_buff[14] = 0; /* Dummy (to align w/ IGP phy reg dump) */
478 regs_buff[15] = 0; /* Dummy (to align w/ IGP phy reg dump) */
479 regs_buff[16] = 0; /* Dummy (to align w/ IGP phy reg dump) */
480 e1e_rphy(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
481 regs_buff[17] = (u32)phy_data; /* extended 10bt distance */
482 regs_buff[18] = regs_buff[13]; /* cable polarity */
483 regs_buff[19] = 0; /* Dummy (to align w/ IGP phy reg dump) */
484 regs_buff[20] = regs_buff[17]; /* polarity correction */
485 /* phy receive errors */
486 regs_buff[22] = adapter->phy_stats.receive_errors;
487 regs_buff[23] = regs_buff[13]; /* mdix mode */
489 regs_buff[21] = 0; /* was idle_errors */
490 e1e_rphy(hw, PHY_1000T_STATUS, &phy_data);
491 regs_buff[24] = (u32)phy_data; /* phy local receiver status */
492 regs_buff[25] = regs_buff[24]; /* phy remote receiver status */
495 static int e1000_get_eeprom_len(struct net_device *netdev)
497 struct e1000_adapter *adapter = netdev_priv(netdev);
498 return adapter->hw.nvm.word_size * 2;
501 static int e1000_get_eeprom(struct net_device *netdev,
502 struct ethtool_eeprom *eeprom, u8 *bytes)
504 struct e1000_adapter *adapter = netdev_priv(netdev);
505 struct e1000_hw *hw = &adapter->hw;
512 if (eeprom->len == 0)
515 eeprom->magic = adapter->pdev->vendor | (adapter->pdev->device << 16);
517 first_word = eeprom->offset >> 1;
518 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
520 eeprom_buff = kmalloc(sizeof(u16) *
521 (last_word - first_word + 1), GFP_KERNEL);
525 if (hw->nvm.type == e1000_nvm_eeprom_spi) {
526 ret_val = e1000_read_nvm(hw, first_word,
527 last_word - first_word + 1,
530 for (i = 0; i < last_word - first_word + 1; i++) {
531 ret_val = e1000_read_nvm(hw, first_word + i, 1,
539 /* a read error occurred, throw away the result */
540 memset(eeprom_buff, 0xff, sizeof(u16) *
541 (last_word - first_word + 1));
543 /* Device's eeprom is always little-endian, word addressable */
544 for (i = 0; i < last_word - first_word + 1; i++)
545 le16_to_cpus(&eeprom_buff[i]);
548 memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
554 static int e1000_set_eeprom(struct net_device *netdev,
555 struct ethtool_eeprom *eeprom, u8 *bytes)
557 struct e1000_adapter *adapter = netdev_priv(netdev);
558 struct e1000_hw *hw = &adapter->hw;
567 if (eeprom->len == 0)
570 if (eeprom->magic != (adapter->pdev->vendor | (adapter->pdev->device << 16)))
573 if (adapter->flags & FLAG_READ_ONLY_NVM)
576 max_len = hw->nvm.word_size * 2;
578 first_word = eeprom->offset >> 1;
579 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
580 eeprom_buff = kmalloc(max_len, GFP_KERNEL);
584 ptr = (void *)eeprom_buff;
586 if (eeprom->offset & 1) {
587 /* need read/modify/write of first changed EEPROM word */
588 /* only the second byte of the word is being modified */
589 ret_val = e1000_read_nvm(hw, first_word, 1, &eeprom_buff[0]);
592 if (((eeprom->offset + eeprom->len) & 1) && (ret_val == 0))
593 /* need read/modify/write of last changed EEPROM word */
594 /* only the first byte of the word is being modified */
595 ret_val = e1000_read_nvm(hw, last_word, 1,
596 &eeprom_buff[last_word - first_word]);
601 /* Device's eeprom is always little-endian, word addressable */
602 for (i = 0; i < last_word - first_word + 1; i++)
603 le16_to_cpus(&eeprom_buff[i]);
605 memcpy(ptr, bytes, eeprom->len);
607 for (i = 0; i < last_word - first_word + 1; i++)
608 eeprom_buff[i] = cpu_to_le16(eeprom_buff[i]);
610 ret_val = e1000_write_nvm(hw, first_word,
611 last_word - first_word + 1, eeprom_buff);
617 * Update the checksum over the first part of the EEPROM if needed
618 * and flush shadow RAM for applicable controllers
620 if ((first_word <= NVM_CHECKSUM_REG) ||
621 (hw->mac.type == e1000_82583) ||
622 (hw->mac.type == e1000_82574) ||
623 (hw->mac.type == e1000_82573))
624 ret_val = e1000e_update_nvm_checksum(hw);
631 static void e1000_get_drvinfo(struct net_device *netdev,
632 struct ethtool_drvinfo *drvinfo)
634 struct e1000_adapter *adapter = netdev_priv(netdev);
635 char firmware_version[32];
637 strncpy(drvinfo->driver, e1000e_driver_name,
638 sizeof(drvinfo->driver) - 1);
639 strncpy(drvinfo->version, e1000e_driver_version,
640 sizeof(drvinfo->version) - 1);
643 * EEPROM image version # is reported as firmware version # for
646 snprintf(firmware_version, sizeof(firmware_version), "%d.%d-%d",
647 (adapter->eeprom_vers & 0xF000) >> 12,
648 (adapter->eeprom_vers & 0x0FF0) >> 4,
649 (adapter->eeprom_vers & 0x000F));
651 strncpy(drvinfo->fw_version, firmware_version,
652 sizeof(drvinfo->fw_version) - 1);
653 strncpy(drvinfo->bus_info, pci_name(adapter->pdev),
654 sizeof(drvinfo->bus_info) - 1);
655 drvinfo->regdump_len = e1000_get_regs_len(netdev);
656 drvinfo->eedump_len = e1000_get_eeprom_len(netdev);
659 static void e1000_get_ringparam(struct net_device *netdev,
660 struct ethtool_ringparam *ring)
662 struct e1000_adapter *adapter = netdev_priv(netdev);
663 struct e1000_ring *tx_ring = adapter->tx_ring;
664 struct e1000_ring *rx_ring = adapter->rx_ring;
666 ring->rx_max_pending = E1000_MAX_RXD;
667 ring->tx_max_pending = E1000_MAX_TXD;
668 ring->rx_mini_max_pending = 0;
669 ring->rx_jumbo_max_pending = 0;
670 ring->rx_pending = rx_ring->count;
671 ring->tx_pending = tx_ring->count;
672 ring->rx_mini_pending = 0;
673 ring->rx_jumbo_pending = 0;
676 static int e1000_set_ringparam(struct net_device *netdev,
677 struct ethtool_ringparam *ring)
679 struct e1000_adapter *adapter = netdev_priv(netdev);
680 struct e1000_ring *tx_ring, *tx_old;
681 struct e1000_ring *rx_ring, *rx_old;
684 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
687 while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
688 usleep_range(1000, 2000);
690 if (netif_running(adapter->netdev))
691 e1000e_down(adapter);
693 tx_old = adapter->tx_ring;
694 rx_old = adapter->rx_ring;
697 tx_ring = kmemdup(tx_old, sizeof(struct e1000_ring), GFP_KERNEL);
701 rx_ring = kmemdup(rx_old, sizeof(struct e1000_ring), GFP_KERNEL);
705 adapter->tx_ring = tx_ring;
706 adapter->rx_ring = rx_ring;
708 rx_ring->count = max(ring->rx_pending, (u32)E1000_MIN_RXD);
709 rx_ring->count = min(rx_ring->count, (u32)(E1000_MAX_RXD));
710 rx_ring->count = ALIGN(rx_ring->count, REQ_RX_DESCRIPTOR_MULTIPLE);
712 tx_ring->count = max(ring->tx_pending, (u32)E1000_MIN_TXD);
713 tx_ring->count = min(tx_ring->count, (u32)(E1000_MAX_TXD));
714 tx_ring->count = ALIGN(tx_ring->count, REQ_TX_DESCRIPTOR_MULTIPLE);
716 if (netif_running(adapter->netdev)) {
717 /* Try to get new resources before deleting old */
718 err = e1000e_setup_rx_resources(adapter);
721 err = e1000e_setup_tx_resources(adapter);
726 * restore the old in order to free it,
727 * then add in the new
729 adapter->rx_ring = rx_old;
730 adapter->tx_ring = tx_old;
731 e1000e_free_rx_resources(adapter);
732 e1000e_free_tx_resources(adapter);
735 adapter->rx_ring = rx_ring;
736 adapter->tx_ring = tx_ring;
737 err = e1000e_up(adapter);
742 clear_bit(__E1000_RESETTING, &adapter->state);
745 e1000e_free_rx_resources(adapter);
747 adapter->rx_ring = rx_old;
748 adapter->tx_ring = tx_old;
755 clear_bit(__E1000_RESETTING, &adapter->state);
759 static bool reg_pattern_test(struct e1000_adapter *adapter, u64 *data,
760 int reg, int offset, u32 mask, u32 write)
763 static const u32 test[] = {
764 0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF};
765 for (pat = 0; pat < ARRAY_SIZE(test); pat++) {
766 E1000_WRITE_REG_ARRAY(&adapter->hw, reg, offset,
767 (test[pat] & write));
768 val = E1000_READ_REG_ARRAY(&adapter->hw, reg, offset);
769 if (val != (test[pat] & write & mask)) {
770 e_err("pattern test reg %04X failed: got 0x%08X "
771 "expected 0x%08X\n", reg + offset, val,
772 (test[pat] & write & mask));
780 static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data,
781 int reg, u32 mask, u32 write)
784 __ew32(&adapter->hw, reg, write & mask);
785 val = __er32(&adapter->hw, reg);
786 if ((write & mask) != (val & mask)) {
787 e_err("set/check reg %04X test failed: got 0x%08X "
788 "expected 0x%08X\n", reg, (val & mask), (write & mask));
794 #define REG_PATTERN_TEST_ARRAY(reg, offset, mask, write) \
796 if (reg_pattern_test(adapter, data, reg, offset, mask, write)) \
799 #define REG_PATTERN_TEST(reg, mask, write) \
800 REG_PATTERN_TEST_ARRAY(reg, 0, mask, write)
802 #define REG_SET_AND_CHECK(reg, mask, write) \
804 if (reg_set_and_check(adapter, data, reg, mask, write)) \
808 static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data)
810 struct e1000_hw *hw = &adapter->hw;
811 struct e1000_mac_info *mac = &adapter->hw.mac;
820 * The status register is Read Only, so a write should fail.
821 * Some bits that get toggled are ignored.
824 /* there are several bits on newer hardware that are r/w */
827 case e1000_80003es2lan:
835 before = er32(STATUS);
836 value = (er32(STATUS) & toggle);
837 ew32(STATUS, toggle);
838 after = er32(STATUS) & toggle;
839 if (value != after) {
840 e_err("failed STATUS register test got: 0x%08X expected: "
841 "0x%08X\n", after, value);
845 /* restore previous status */
846 ew32(STATUS, before);
848 if (!(adapter->flags & FLAG_IS_ICH)) {
849 REG_PATTERN_TEST(E1000_FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
850 REG_PATTERN_TEST(E1000_FCAH, 0x0000FFFF, 0xFFFFFFFF);
851 REG_PATTERN_TEST(E1000_FCT, 0x0000FFFF, 0xFFFFFFFF);
852 REG_PATTERN_TEST(E1000_VET, 0x0000FFFF, 0xFFFFFFFF);
855 REG_PATTERN_TEST(E1000_RDTR, 0x0000FFFF, 0xFFFFFFFF);
856 REG_PATTERN_TEST(E1000_RDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
857 REG_PATTERN_TEST(E1000_RDLEN, 0x000FFF80, 0x000FFFFF);
858 REG_PATTERN_TEST(E1000_RDH, 0x0000FFFF, 0x0000FFFF);
859 REG_PATTERN_TEST(E1000_RDT, 0x0000FFFF, 0x0000FFFF);
860 REG_PATTERN_TEST(E1000_FCRTH, 0x0000FFF8, 0x0000FFF8);
861 REG_PATTERN_TEST(E1000_FCTTV, 0x0000FFFF, 0x0000FFFF);
862 REG_PATTERN_TEST(E1000_TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
863 REG_PATTERN_TEST(E1000_TDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
864 REG_PATTERN_TEST(E1000_TDLEN, 0x000FFF80, 0x000FFFFF);
866 REG_SET_AND_CHECK(E1000_RCTL, 0xFFFFFFFF, 0x00000000);
868 before = ((adapter->flags & FLAG_IS_ICH) ? 0x06C3B33E : 0x06DFB3FE);
869 REG_SET_AND_CHECK(E1000_RCTL, before, 0x003FFFFB);
870 REG_SET_AND_CHECK(E1000_TCTL, 0xFFFFFFFF, 0x00000000);
872 REG_SET_AND_CHECK(E1000_RCTL, before, 0xFFFFFFFF);
873 REG_PATTERN_TEST(E1000_RDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
874 if (!(adapter->flags & FLAG_IS_ICH))
875 REG_PATTERN_TEST(E1000_TXCW, 0xC000FFFF, 0x0000FFFF);
876 REG_PATTERN_TEST(E1000_TDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
877 REG_PATTERN_TEST(E1000_TIDV, 0x0000FFFF, 0x0000FFFF);
888 for (i = 0; i < mac->rar_entry_count; i++)
889 REG_PATTERN_TEST_ARRAY(E1000_RA, ((i << 1) + 1),
892 for (i = 0; i < mac->mta_reg_count; i++)
893 REG_PATTERN_TEST_ARRAY(E1000_MTA, i, 0xFFFFFFFF, 0xFFFFFFFF);
899 static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data)
906 /* Read and add up the contents of the EEPROM */
907 for (i = 0; i < (NVM_CHECKSUM_REG + 1); i++) {
908 if ((e1000_read_nvm(&adapter->hw, i, 1, &temp)) < 0) {
915 /* If Checksum is not Correct return error else test passed */
916 if ((checksum != (u16) NVM_SUM) && !(*data))
922 static irqreturn_t e1000_test_intr(int irq, void *data)
924 struct net_device *netdev = (struct net_device *) data;
925 struct e1000_adapter *adapter = netdev_priv(netdev);
926 struct e1000_hw *hw = &adapter->hw;
928 adapter->test_icr |= er32(ICR);
933 static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data)
935 struct net_device *netdev = adapter->netdev;
936 struct e1000_hw *hw = &adapter->hw;
939 u32 irq = adapter->pdev->irq;
942 int int_mode = E1000E_INT_MODE_LEGACY;
946 /* NOTE: we don't test MSI/MSI-X interrupts here, yet */
947 if (adapter->int_mode == E1000E_INT_MODE_MSIX) {
948 int_mode = adapter->int_mode;
949 e1000e_reset_interrupt_capability(adapter);
950 adapter->int_mode = E1000E_INT_MODE_LEGACY;
951 e1000e_set_interrupt_capability(adapter);
953 /* Hook up test interrupt handler just for this test */
954 if (!request_irq(irq, e1000_test_intr, IRQF_PROBE_SHARED, netdev->name,
957 } else if (request_irq(irq, e1000_test_intr, IRQF_SHARED,
958 netdev->name, netdev)) {
963 e_info("testing %s interrupt\n", (shared_int ? "shared" : "unshared"));
965 /* Disable all the interrupts */
966 ew32(IMC, 0xFFFFFFFF);
968 usleep_range(10000, 20000);
970 /* Test each interrupt */
971 for (i = 0; i < 10; i++) {
972 /* Interrupt to test */
975 if (adapter->flags & FLAG_IS_ICH) {
977 case E1000_ICR_RXSEQ:
980 if (adapter->hw.mac.type == e1000_ich8lan ||
981 adapter->hw.mac.type == e1000_ich9lan)
991 * Disable the interrupt to be reported in
992 * the cause register and then force the same
993 * interrupt and see if one gets posted. If
994 * an interrupt was posted to the bus, the
997 adapter->test_icr = 0;
1001 usleep_range(10000, 20000);
1003 if (adapter->test_icr & mask) {
1010 * Enable the interrupt to be reported in
1011 * the cause register and then force the same
1012 * interrupt and see if one gets posted. If
1013 * an interrupt was not posted to the bus, the
1016 adapter->test_icr = 0;
1020 usleep_range(10000, 20000);
1022 if (!(adapter->test_icr & mask)) {
1029 * Disable the other interrupts to be reported in
1030 * the cause register and then force the other
1031 * interrupts and see if any get posted. If
1032 * an interrupt was posted to the bus, the
1035 adapter->test_icr = 0;
1036 ew32(IMC, ~mask & 0x00007FFF);
1037 ew32(ICS, ~mask & 0x00007FFF);
1039 usleep_range(10000, 20000);
1041 if (adapter->test_icr) {
1048 /* Disable all the interrupts */
1049 ew32(IMC, 0xFFFFFFFF);
1051 usleep_range(10000, 20000);
1053 /* Unhook test interrupt handler */
1054 free_irq(irq, netdev);
1057 if (int_mode == E1000E_INT_MODE_MSIX) {
1058 e1000e_reset_interrupt_capability(adapter);
1059 adapter->int_mode = int_mode;
1060 e1000e_set_interrupt_capability(adapter);
1066 static void e1000_free_desc_rings(struct e1000_adapter *adapter)
1068 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1069 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1070 struct pci_dev *pdev = adapter->pdev;
1073 if (tx_ring->desc && tx_ring->buffer_info) {
1074 for (i = 0; i < tx_ring->count; i++) {
1075 if (tx_ring->buffer_info[i].dma)
1076 dma_unmap_single(&pdev->dev,
1077 tx_ring->buffer_info[i].dma,
1078 tx_ring->buffer_info[i].length,
1080 if (tx_ring->buffer_info[i].skb)
1081 dev_kfree_skb(tx_ring->buffer_info[i].skb);
1085 if (rx_ring->desc && rx_ring->buffer_info) {
1086 for (i = 0; i < rx_ring->count; i++) {
1087 if (rx_ring->buffer_info[i].dma)
1088 dma_unmap_single(&pdev->dev,
1089 rx_ring->buffer_info[i].dma,
1090 2048, DMA_FROM_DEVICE);
1091 if (rx_ring->buffer_info[i].skb)
1092 dev_kfree_skb(rx_ring->buffer_info[i].skb);
1096 if (tx_ring->desc) {
1097 dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc,
1099 tx_ring->desc = NULL;
1101 if (rx_ring->desc) {
1102 dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc,
1104 rx_ring->desc = NULL;
1107 kfree(tx_ring->buffer_info);
1108 tx_ring->buffer_info = NULL;
1109 kfree(rx_ring->buffer_info);
1110 rx_ring->buffer_info = NULL;
1113 static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
1115 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1116 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1117 struct pci_dev *pdev = adapter->pdev;
1118 struct e1000_hw *hw = &adapter->hw;
1123 /* Setup Tx descriptor ring and Tx buffers */
1125 if (!tx_ring->count)
1126 tx_ring->count = E1000_DEFAULT_TXD;
1128 tx_ring->buffer_info = kcalloc(tx_ring->count,
1129 sizeof(struct e1000_buffer),
1131 if (!(tx_ring->buffer_info)) {
1136 tx_ring->size = tx_ring->count * sizeof(struct e1000_tx_desc);
1137 tx_ring->size = ALIGN(tx_ring->size, 4096);
1138 tx_ring->desc = dma_alloc_coherent(&pdev->dev, tx_ring->size,
1139 &tx_ring->dma, GFP_KERNEL);
1140 if (!tx_ring->desc) {
1144 tx_ring->next_to_use = 0;
1145 tx_ring->next_to_clean = 0;
1147 ew32(TDBAL, ((u64) tx_ring->dma & 0x00000000FFFFFFFF));
1148 ew32(TDBAH, ((u64) tx_ring->dma >> 32));
1149 ew32(TDLEN, tx_ring->count * sizeof(struct e1000_tx_desc));
1152 ew32(TCTL, E1000_TCTL_PSP | E1000_TCTL_EN | E1000_TCTL_MULR |
1153 E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
1154 E1000_COLLISION_DISTANCE << E1000_COLD_SHIFT);
1156 for (i = 0; i < tx_ring->count; i++) {
1157 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*tx_ring, i);
1158 struct sk_buff *skb;
1159 unsigned int skb_size = 1024;
1161 skb = alloc_skb(skb_size, GFP_KERNEL);
1166 skb_put(skb, skb_size);
1167 tx_ring->buffer_info[i].skb = skb;
1168 tx_ring->buffer_info[i].length = skb->len;
1169 tx_ring->buffer_info[i].dma =
1170 dma_map_single(&pdev->dev, skb->data, skb->len,
1172 if (dma_mapping_error(&pdev->dev,
1173 tx_ring->buffer_info[i].dma)) {
1177 tx_desc->buffer_addr = cpu_to_le64(tx_ring->buffer_info[i].dma);
1178 tx_desc->lower.data = cpu_to_le32(skb->len);
1179 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
1180 E1000_TXD_CMD_IFCS |
1182 tx_desc->upper.data = 0;
1185 /* Setup Rx descriptor ring and Rx buffers */
1187 if (!rx_ring->count)
1188 rx_ring->count = E1000_DEFAULT_RXD;
1190 rx_ring->buffer_info = kcalloc(rx_ring->count,
1191 sizeof(struct e1000_buffer),
1193 if (!(rx_ring->buffer_info)) {
1198 rx_ring->size = rx_ring->count * sizeof(union e1000_rx_desc_extended);
1199 rx_ring->desc = dma_alloc_coherent(&pdev->dev, rx_ring->size,
1200 &rx_ring->dma, GFP_KERNEL);
1201 if (!rx_ring->desc) {
1205 rx_ring->next_to_use = 0;
1206 rx_ring->next_to_clean = 0;
1209 if (!(adapter->flags2 & FLAG2_NO_DISABLE_RX))
1210 ew32(RCTL, rctl & ~E1000_RCTL_EN);
1211 ew32(RDBAL, ((u64) rx_ring->dma & 0xFFFFFFFF));
1212 ew32(RDBAH, ((u64) rx_ring->dma >> 32));
1213 ew32(RDLEN, rx_ring->size);
1216 rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
1217 E1000_RCTL_UPE | E1000_RCTL_MPE | E1000_RCTL_LPE |
1218 E1000_RCTL_SBP | E1000_RCTL_SECRC |
1219 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
1220 (adapter->hw.mac.mc_filter_type << E1000_RCTL_MO_SHIFT);
1223 for (i = 0; i < rx_ring->count; i++) {
1224 union e1000_rx_desc_extended *rx_desc;
1225 struct sk_buff *skb;
1227 skb = alloc_skb(2048 + NET_IP_ALIGN, GFP_KERNEL);
1232 skb_reserve(skb, NET_IP_ALIGN);
1233 rx_ring->buffer_info[i].skb = skb;
1234 rx_ring->buffer_info[i].dma =
1235 dma_map_single(&pdev->dev, skb->data, 2048,
1237 if (dma_mapping_error(&pdev->dev,
1238 rx_ring->buffer_info[i].dma)) {
1242 rx_desc = E1000_RX_DESC_EXT(*rx_ring, i);
1243 rx_desc->read.buffer_addr =
1244 cpu_to_le64(rx_ring->buffer_info[i].dma);
1245 memset(skb->data, 0x00, skb->len);
1251 e1000_free_desc_rings(adapter);
1255 static void e1000_phy_disable_receiver(struct e1000_adapter *adapter)
1257 /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1258 e1e_wphy(&adapter->hw, 29, 0x001F);
1259 e1e_wphy(&adapter->hw, 30, 0x8FFC);
1260 e1e_wphy(&adapter->hw, 29, 0x001A);
1261 e1e_wphy(&adapter->hw, 30, 0x8FF0);
1264 static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
1266 struct e1000_hw *hw = &adapter->hw;
1271 hw->mac.autoneg = 0;
1273 if (hw->phy.type == e1000_phy_ife) {
1274 /* force 100, set loopback */
1275 e1e_wphy(hw, PHY_CONTROL, 0x6100);
1277 /* Now set up the MAC to the same speed/duplex as the PHY. */
1278 ctrl_reg = er32(CTRL);
1279 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1280 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1281 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1282 E1000_CTRL_SPD_100 |/* Force Speed to 100 */
1283 E1000_CTRL_FD); /* Force Duplex to FULL */
1285 ew32(CTRL, ctrl_reg);
1292 /* Specific PHY configuration for loopback */
1293 switch (hw->phy.type) {
1295 /* Auto-MDI/MDIX Off */
1296 e1e_wphy(hw, M88E1000_PHY_SPEC_CTRL, 0x0808);
1297 /* reset to update Auto-MDI/MDIX */
1298 e1e_wphy(hw, PHY_CONTROL, 0x9140);
1300 e1e_wphy(hw, PHY_CONTROL, 0x8140);
1302 case e1000_phy_gg82563:
1303 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x1CC);
1306 /* Set Default MAC Interface speed to 1GB */
1307 e1e_rphy(hw, PHY_REG(2, 21), &phy_reg);
1310 e1e_wphy(hw, PHY_REG(2, 21), phy_reg);
1311 /* Assert SW reset for above settings to take effect */
1312 e1000e_commit_phy(hw);
1314 /* Force Full Duplex */
1315 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg);
1316 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x000C);
1317 /* Set Link Up (in force link) */
1318 e1e_rphy(hw, PHY_REG(776, 16), &phy_reg);
1319 e1e_wphy(hw, PHY_REG(776, 16), phy_reg | 0x0040);
1321 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg);
1322 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x0040);
1323 /* Set Early Link Enable */
1324 e1e_rphy(hw, PHY_REG(769, 20), &phy_reg);
1325 e1e_wphy(hw, PHY_REG(769, 20), phy_reg | 0x0400);
1327 case e1000_phy_82577:
1328 case e1000_phy_82578:
1329 /* Workaround: K1 must be disabled for stable 1Gbps operation */
1330 ret_val = hw->phy.ops.acquire(hw);
1332 e_err("Cannot setup 1Gbps loopback.\n");
1335 e1000_configure_k1_ich8lan(hw, false);
1336 hw->phy.ops.release(hw);
1338 case e1000_phy_82579:
1339 /* Disable PHY energy detect power down */
1340 e1e_rphy(hw, PHY_REG(0, 21), &phy_reg);
1341 e1e_wphy(hw, PHY_REG(0, 21), phy_reg & ~(1 << 3));
1342 /* Disable full chip energy detect */
1343 e1e_rphy(hw, PHY_REG(776, 18), &phy_reg);
1344 e1e_wphy(hw, PHY_REG(776, 18), phy_reg | 1);
1345 /* Enable loopback on the PHY */
1346 #define I82577_PHY_LBK_CTRL 19
1347 e1e_wphy(hw, I82577_PHY_LBK_CTRL, 0x8001);
1353 /* force 1000, set loopback */
1354 e1e_wphy(hw, PHY_CONTROL, 0x4140);
1357 /* Now set up the MAC to the same speed/duplex as the PHY. */
1358 ctrl_reg = er32(CTRL);
1359 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1360 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1361 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1362 E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
1363 E1000_CTRL_FD); /* Force Duplex to FULL */
1365 if (adapter->flags & FLAG_IS_ICH)
1366 ctrl_reg |= E1000_CTRL_SLU; /* Set Link Up */
1368 if (hw->phy.media_type == e1000_media_type_copper &&
1369 hw->phy.type == e1000_phy_m88) {
1370 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
1373 * Set the ILOS bit on the fiber Nic if half duplex link is
1376 if ((er32(STATUS) & E1000_STATUS_FD) == 0)
1377 ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
1380 ew32(CTRL, ctrl_reg);
1383 * Disable the receiver on the PHY so when a cable is plugged in, the
1384 * PHY does not begin to autoneg when a cable is reconnected to the NIC.
1386 if (hw->phy.type == e1000_phy_m88)
1387 e1000_phy_disable_receiver(adapter);
1394 static int e1000_set_82571_fiber_loopback(struct e1000_adapter *adapter)
1396 struct e1000_hw *hw = &adapter->hw;
1397 u32 ctrl = er32(CTRL);
1400 /* special requirements for 82571/82572 fiber adapters */
1403 * jump through hoops to make sure link is up because serdes
1404 * link is hardwired up
1406 ctrl |= E1000_CTRL_SLU;
1409 /* disable autoneg */
1414 link = (er32(STATUS) & E1000_STATUS_LU);
1417 /* set invert loss of signal */
1419 ctrl |= E1000_CTRL_ILOS;
1424 * special write to serdes control register to enable SerDes analog
1427 #define E1000_SERDES_LB_ON 0x410
1428 ew32(SCTL, E1000_SERDES_LB_ON);
1430 usleep_range(10000, 20000);
1435 /* only call this for fiber/serdes connections to es2lan */
1436 static int e1000_set_es2lan_mac_loopback(struct e1000_adapter *adapter)
1438 struct e1000_hw *hw = &adapter->hw;
1439 u32 ctrlext = er32(CTRL_EXT);
1440 u32 ctrl = er32(CTRL);
1443 * save CTRL_EXT to restore later, reuse an empty variable (unused
1444 * on mac_type 80003es2lan)
1446 adapter->tx_fifo_head = ctrlext;
1448 /* clear the serdes mode bits, putting the device into mac loopback */
1449 ctrlext &= ~E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES;
1450 ew32(CTRL_EXT, ctrlext);
1452 /* force speed to 1000/FD, link up */
1453 ctrl &= ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100);
1454 ctrl |= (E1000_CTRL_SLU | E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX |
1455 E1000_CTRL_SPD_1000 | E1000_CTRL_FD);
1458 /* set mac loopback */
1460 ctrl |= E1000_RCTL_LBM_MAC;
1463 /* set testing mode parameters (no need to reset later) */
1464 #define KMRNCTRLSTA_OPMODE (0x1F << 16)
1465 #define KMRNCTRLSTA_OPMODE_1GB_FD_GMII 0x0582
1467 (KMRNCTRLSTA_OPMODE | KMRNCTRLSTA_OPMODE_1GB_FD_GMII));
1472 static int e1000_setup_loopback_test(struct e1000_adapter *adapter)
1474 struct e1000_hw *hw = &adapter->hw;
1477 if (hw->phy.media_type == e1000_media_type_fiber ||
1478 hw->phy.media_type == e1000_media_type_internal_serdes) {
1479 switch (hw->mac.type) {
1480 case e1000_80003es2lan:
1481 return e1000_set_es2lan_mac_loopback(adapter);
1485 return e1000_set_82571_fiber_loopback(adapter);
1489 rctl |= E1000_RCTL_LBM_TCVR;
1493 } else if (hw->phy.media_type == e1000_media_type_copper) {
1494 return e1000_integrated_phy_loopback(adapter);
1500 static void e1000_loopback_cleanup(struct e1000_adapter *adapter)
1502 struct e1000_hw *hw = &adapter->hw;
1507 rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
1510 switch (hw->mac.type) {
1511 case e1000_80003es2lan:
1512 if (hw->phy.media_type == e1000_media_type_fiber ||
1513 hw->phy.media_type == e1000_media_type_internal_serdes) {
1514 /* restore CTRL_EXT, stealing space from tx_fifo_head */
1515 ew32(CTRL_EXT, adapter->tx_fifo_head);
1516 adapter->tx_fifo_head = 0;
1521 if (hw->phy.media_type == e1000_media_type_fiber ||
1522 hw->phy.media_type == e1000_media_type_internal_serdes) {
1523 #define E1000_SERDES_LB_OFF 0x400
1524 ew32(SCTL, E1000_SERDES_LB_OFF);
1526 usleep_range(10000, 20000);
1531 hw->mac.autoneg = 1;
1532 if (hw->phy.type == e1000_phy_gg82563)
1533 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x180);
1534 e1e_rphy(hw, PHY_CONTROL, &phy_reg);
1535 if (phy_reg & MII_CR_LOOPBACK) {
1536 phy_reg &= ~MII_CR_LOOPBACK;
1537 e1e_wphy(hw, PHY_CONTROL, phy_reg);
1538 e1000e_commit_phy(hw);
1544 static void e1000_create_lbtest_frame(struct sk_buff *skb,
1545 unsigned int frame_size)
1547 memset(skb->data, 0xFF, frame_size);
1549 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1550 memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
1551 memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
1554 static int e1000_check_lbtest_frame(struct sk_buff *skb,
1555 unsigned int frame_size)
1558 if (*(skb->data + 3) == 0xFF)
1559 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
1560 (*(skb->data + frame_size / 2 + 12) == 0xAF))
1565 static int e1000_run_loopback_test(struct e1000_adapter *adapter)
1567 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1568 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1569 struct pci_dev *pdev = adapter->pdev;
1570 struct e1000_hw *hw = &adapter->hw;
1577 ew32(RDT, rx_ring->count - 1);
1580 * Calculate the loop count based on the largest descriptor ring
1581 * The idea is to wrap the largest ring a number of times using 64
1582 * send/receive pairs during each loop
1585 if (rx_ring->count <= tx_ring->count)
1586 lc = ((tx_ring->count / 64) * 2) + 1;
1588 lc = ((rx_ring->count / 64) * 2) + 1;
1592 for (j = 0; j <= lc; j++) { /* loop count loop */
1593 for (i = 0; i < 64; i++) { /* send the packets */
1594 e1000_create_lbtest_frame(tx_ring->buffer_info[k].skb,
1596 dma_sync_single_for_device(&pdev->dev,
1597 tx_ring->buffer_info[k].dma,
1598 tx_ring->buffer_info[k].length,
1601 if (k == tx_ring->count)
1607 time = jiffies; /* set the start time for the receive */
1609 do { /* receive the sent packets */
1610 dma_sync_single_for_cpu(&pdev->dev,
1611 rx_ring->buffer_info[l].dma, 2048,
1614 ret_val = e1000_check_lbtest_frame(
1615 rx_ring->buffer_info[l].skb, 1024);
1619 if (l == rx_ring->count)
1622 * time + 20 msecs (200 msecs on 2.4) is more than
1623 * enough time to complete the receives, if it's
1624 * exceeded, break and error off
1626 } while ((good_cnt < 64) && !time_after(jiffies, time + 20));
1627 if (good_cnt != 64) {
1628 ret_val = 13; /* ret_val is the same as mis-compare */
1631 if (jiffies >= (time + 20)) {
1632 ret_val = 14; /* error code for time out error */
1635 } /* end loop count loop */
1639 static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data)
1642 * PHY loopback cannot be performed if SoL/IDER
1643 * sessions are active
1645 if (e1000_check_reset_block(&adapter->hw)) {
1646 e_err("Cannot do PHY loopback test when SoL/IDER is active.\n");
1651 *data = e1000_setup_desc_rings(adapter);
1655 *data = e1000_setup_loopback_test(adapter);
1659 *data = e1000_run_loopback_test(adapter);
1660 e1000_loopback_cleanup(adapter);
1663 e1000_free_desc_rings(adapter);
1668 static int e1000_link_test(struct e1000_adapter *adapter, u64 *data)
1670 struct e1000_hw *hw = &adapter->hw;
1673 if (hw->phy.media_type == e1000_media_type_internal_serdes) {
1675 hw->mac.serdes_has_link = false;
1678 * On some blade server designs, link establishment
1679 * could take as long as 2-3 minutes
1682 hw->mac.ops.check_for_link(hw);
1683 if (hw->mac.serdes_has_link)
1686 } while (i++ < 3750);
1690 hw->mac.ops.check_for_link(hw);
1691 if (hw->mac.autoneg)
1693 * On some Phy/switch combinations, link establishment
1694 * can take a few seconds more than expected.
1698 if (!(er32(STATUS) & E1000_STATUS_LU))
1704 static int e1000e_get_sset_count(struct net_device *netdev, int sset)
1708 return E1000_TEST_LEN;
1710 return E1000_STATS_LEN;
1716 static void e1000_diag_test(struct net_device *netdev,
1717 struct ethtool_test *eth_test, u64 *data)
1719 struct e1000_adapter *adapter = netdev_priv(netdev);
1720 u16 autoneg_advertised;
1721 u8 forced_speed_duplex;
1723 bool if_running = netif_running(netdev);
1725 set_bit(__E1000_TESTING, &adapter->state);
1728 /* Get control of and reset hardware */
1729 if (adapter->flags & FLAG_HAS_AMT)
1730 e1000e_get_hw_control(adapter);
1732 e1000e_power_up_phy(adapter);
1734 adapter->hw.phy.autoneg_wait_to_complete = 1;
1735 e1000e_reset(adapter);
1736 adapter->hw.phy.autoneg_wait_to_complete = 0;
1739 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1742 /* save speed, duplex, autoneg settings */
1743 autoneg_advertised = adapter->hw.phy.autoneg_advertised;
1744 forced_speed_duplex = adapter->hw.mac.forced_speed_duplex;
1745 autoneg = adapter->hw.mac.autoneg;
1747 e_info("offline testing starting\n");
1750 /* indicate we're in test mode */
1753 if (e1000_reg_test(adapter, &data[0]))
1754 eth_test->flags |= ETH_TEST_FL_FAILED;
1756 e1000e_reset(adapter);
1757 if (e1000_eeprom_test(adapter, &data[1]))
1758 eth_test->flags |= ETH_TEST_FL_FAILED;
1760 e1000e_reset(adapter);
1761 if (e1000_intr_test(adapter, &data[2]))
1762 eth_test->flags |= ETH_TEST_FL_FAILED;
1764 e1000e_reset(adapter);
1765 if (e1000_loopback_test(adapter, &data[3]))
1766 eth_test->flags |= ETH_TEST_FL_FAILED;
1768 /* force this routine to wait until autoneg complete/timeout */
1769 adapter->hw.phy.autoneg_wait_to_complete = 1;
1770 e1000e_reset(adapter);
1771 adapter->hw.phy.autoneg_wait_to_complete = 0;
1773 if (e1000_link_test(adapter, &data[4]))
1774 eth_test->flags |= ETH_TEST_FL_FAILED;
1776 /* restore speed, duplex, autoneg settings */
1777 adapter->hw.phy.autoneg_advertised = autoneg_advertised;
1778 adapter->hw.mac.forced_speed_duplex = forced_speed_duplex;
1779 adapter->hw.mac.autoneg = autoneg;
1780 e1000e_reset(adapter);
1782 clear_bit(__E1000_TESTING, &adapter->state);
1788 e_info("online testing starting\n");
1790 /* register, eeprom, intr and loopback tests not run online */
1796 if (e1000_link_test(adapter, &data[4]))
1797 eth_test->flags |= ETH_TEST_FL_FAILED;
1799 clear_bit(__E1000_TESTING, &adapter->state);
1803 e1000e_reset(adapter);
1805 if (adapter->flags & FLAG_HAS_AMT)
1806 e1000e_release_hw_control(adapter);
1809 msleep_interruptible(4 * 1000);
1812 static void e1000_get_wol(struct net_device *netdev,
1813 struct ethtool_wolinfo *wol)
1815 struct e1000_adapter *adapter = netdev_priv(netdev);
1820 if (!(adapter->flags & FLAG_HAS_WOL) ||
1821 !device_can_wakeup(&adapter->pdev->dev))
1824 wol->supported = WAKE_UCAST | WAKE_MCAST |
1825 WAKE_BCAST | WAKE_MAGIC | WAKE_PHY;
1827 /* apply any specific unsupported masks here */
1828 if (adapter->flags & FLAG_NO_WAKE_UCAST) {
1829 wol->supported &= ~WAKE_UCAST;
1831 if (adapter->wol & E1000_WUFC_EX)
1832 e_err("Interface does not support directed (unicast) "
1833 "frame wake-up packets\n");
1836 if (adapter->wol & E1000_WUFC_EX)
1837 wol->wolopts |= WAKE_UCAST;
1838 if (adapter->wol & E1000_WUFC_MC)
1839 wol->wolopts |= WAKE_MCAST;
1840 if (adapter->wol & E1000_WUFC_BC)
1841 wol->wolopts |= WAKE_BCAST;
1842 if (adapter->wol & E1000_WUFC_MAG)
1843 wol->wolopts |= WAKE_MAGIC;
1844 if (adapter->wol & E1000_WUFC_LNKC)
1845 wol->wolopts |= WAKE_PHY;
1848 static int e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1850 struct e1000_adapter *adapter = netdev_priv(netdev);
1852 if (!(adapter->flags & FLAG_HAS_WOL) ||
1853 !device_can_wakeup(&adapter->pdev->dev) ||
1854 (wol->wolopts & ~(WAKE_UCAST | WAKE_MCAST | WAKE_BCAST |
1855 WAKE_MAGIC | WAKE_PHY)))
1858 /* these settings will always override what we currently have */
1861 if (wol->wolopts & WAKE_UCAST)
1862 adapter->wol |= E1000_WUFC_EX;
1863 if (wol->wolopts & WAKE_MCAST)
1864 adapter->wol |= E1000_WUFC_MC;
1865 if (wol->wolopts & WAKE_BCAST)
1866 adapter->wol |= E1000_WUFC_BC;
1867 if (wol->wolopts & WAKE_MAGIC)
1868 adapter->wol |= E1000_WUFC_MAG;
1869 if (wol->wolopts & WAKE_PHY)
1870 adapter->wol |= E1000_WUFC_LNKC;
1872 device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
1877 static int e1000_set_phys_id(struct net_device *netdev,
1878 enum ethtool_phys_id_state state)
1880 struct e1000_adapter *adapter = netdev_priv(netdev);
1881 struct e1000_hw *hw = &adapter->hw;
1884 case ETHTOOL_ID_ACTIVE:
1885 if (!hw->mac.ops.blink_led)
1886 return 2; /* cycle on/off twice per second */
1888 hw->mac.ops.blink_led(hw);
1891 case ETHTOOL_ID_INACTIVE:
1892 if (hw->phy.type == e1000_phy_ife)
1893 e1e_wphy(hw, IFE_PHY_SPECIAL_CONTROL_LED, 0);
1894 hw->mac.ops.led_off(hw);
1895 hw->mac.ops.cleanup_led(hw);
1899 adapter->hw.mac.ops.led_on(&adapter->hw);
1902 case ETHTOOL_ID_OFF:
1903 adapter->hw.mac.ops.led_off(&adapter->hw);
1909 static int e1000_get_coalesce(struct net_device *netdev,
1910 struct ethtool_coalesce *ec)
1912 struct e1000_adapter *adapter = netdev_priv(netdev);
1914 if (adapter->itr_setting <= 4)
1915 ec->rx_coalesce_usecs = adapter->itr_setting;
1917 ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting;
1922 static int e1000_set_coalesce(struct net_device *netdev,
1923 struct ethtool_coalesce *ec)
1925 struct e1000_adapter *adapter = netdev_priv(netdev);
1926 struct e1000_hw *hw = &adapter->hw;
1928 if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) ||
1929 ((ec->rx_coalesce_usecs > 4) &&
1930 (ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) ||
1931 (ec->rx_coalesce_usecs == 2))
1934 if (ec->rx_coalesce_usecs == 4) {
1935 adapter->itr = adapter->itr_setting = 4;
1936 } else if (ec->rx_coalesce_usecs <= 3) {
1937 adapter->itr = 20000;
1938 adapter->itr_setting = ec->rx_coalesce_usecs;
1940 adapter->itr = (1000000 / ec->rx_coalesce_usecs);
1941 adapter->itr_setting = adapter->itr & ~3;
1944 if (adapter->itr_setting != 0)
1945 ew32(ITR, 1000000000 / (adapter->itr * 256));
1952 static int e1000_nway_reset(struct net_device *netdev)
1954 struct e1000_adapter *adapter = netdev_priv(netdev);
1956 if (!netif_running(netdev))
1959 if (!adapter->hw.mac.autoneg)
1962 e1000e_reinit_locked(adapter);
1967 static void e1000_get_ethtool_stats(struct net_device *netdev,
1968 struct ethtool_stats *stats,
1971 struct e1000_adapter *adapter = netdev_priv(netdev);
1972 struct rtnl_link_stats64 net_stats;
1976 e1000e_get_stats64(netdev, &net_stats);
1977 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1978 switch (e1000_gstrings_stats[i].type) {
1980 p = (char *) &net_stats +
1981 e1000_gstrings_stats[i].stat_offset;
1984 p = (char *) adapter +
1985 e1000_gstrings_stats[i].stat_offset;
1992 data[i] = (e1000_gstrings_stats[i].sizeof_stat ==
1993 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1997 static void e1000_get_strings(struct net_device *netdev, u32 stringset,
2003 switch (stringset) {
2005 memcpy(data, e1000_gstrings_test, sizeof(e1000_gstrings_test));
2008 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
2009 memcpy(p, e1000_gstrings_stats[i].stat_string,
2011 p += ETH_GSTRING_LEN;
2017 static int e1000e_set_flags(struct net_device *netdev, u32 data)
2019 struct e1000_adapter *adapter = netdev_priv(netdev);
2020 bool need_reset = false;
2023 need_reset = (data & ETH_FLAG_RXVLAN) !=
2024 (netdev->features & NETIF_F_HW_VLAN_RX);
2026 rc = ethtool_op_set_flags(netdev, data, ETH_FLAG_RXVLAN |
2033 if (netif_running(netdev))
2034 e1000e_reinit_locked(adapter);
2036 e1000e_reset(adapter);
2042 static const struct ethtool_ops e1000_ethtool_ops = {
2043 .get_settings = e1000_get_settings,
2044 .set_settings = e1000_set_settings,
2045 .get_drvinfo = e1000_get_drvinfo,
2046 .get_regs_len = e1000_get_regs_len,
2047 .get_regs = e1000_get_regs,
2048 .get_wol = e1000_get_wol,
2049 .set_wol = e1000_set_wol,
2050 .get_msglevel = e1000_get_msglevel,
2051 .set_msglevel = e1000_set_msglevel,
2052 .nway_reset = e1000_nway_reset,
2053 .get_link = ethtool_op_get_link,
2054 .get_eeprom_len = e1000_get_eeprom_len,
2055 .get_eeprom = e1000_get_eeprom,
2056 .set_eeprom = e1000_set_eeprom,
2057 .get_ringparam = e1000_get_ringparam,
2058 .set_ringparam = e1000_set_ringparam,
2059 .get_pauseparam = e1000_get_pauseparam,
2060 .set_pauseparam = e1000_set_pauseparam,
2061 .get_rx_csum = e1000_get_rx_csum,
2062 .set_rx_csum = e1000_set_rx_csum,
2063 .get_tx_csum = e1000_get_tx_csum,
2064 .set_tx_csum = e1000_set_tx_csum,
2065 .get_sg = ethtool_op_get_sg,
2066 .set_sg = ethtool_op_set_sg,
2067 .get_tso = ethtool_op_get_tso,
2068 .set_tso = e1000_set_tso,
2069 .self_test = e1000_diag_test,
2070 .get_strings = e1000_get_strings,
2071 .set_phys_id = e1000_set_phys_id,
2072 .get_ethtool_stats = e1000_get_ethtool_stats,
2073 .get_sset_count = e1000e_get_sset_count,
2074 .get_coalesce = e1000_get_coalesce,
2075 .set_coalesce = e1000_set_coalesce,
2076 .get_flags = ethtool_op_get_flags,
2077 .set_flags = e1000e_set_flags,
2080 void e1000e_set_ethtool_ops(struct net_device *netdev)
2082 SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops);