1 /*******************************************************************************
3 Intel PRO/1000 Linux driver
4 Copyright(c) 1999 - 2006 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 */
32 #include <asm/uaccess.h>
34 enum {NETDEV_STATS, E1000_STATS};
37 char stat_string[ETH_GSTRING_LEN];
43 #define E1000_STAT(m) E1000_STATS, \
44 sizeof(((struct e1000_adapter *)0)->m), \
45 offsetof(struct e1000_adapter, m)
46 #define E1000_NETDEV_STAT(m) NETDEV_STATS, \
47 sizeof(((struct net_device *)0)->m), \
48 offsetof(struct net_device, m)
50 static const struct e1000_stats e1000_gstrings_stats[] = {
51 { "rx_packets", E1000_STAT(stats.gprc) },
52 { "tx_packets", E1000_STAT(stats.gptc) },
53 { "rx_bytes", E1000_STAT(stats.gorcl) },
54 { "tx_bytes", E1000_STAT(stats.gotcl) },
55 { "rx_broadcast", E1000_STAT(stats.bprc) },
56 { "tx_broadcast", E1000_STAT(stats.bptc) },
57 { "rx_multicast", E1000_STAT(stats.mprc) },
58 { "tx_multicast", E1000_STAT(stats.mptc) },
59 { "rx_errors", E1000_STAT(stats.rxerrc) },
60 { "tx_errors", E1000_STAT(stats.txerrc) },
61 { "tx_dropped", E1000_NETDEV_STAT(stats.tx_dropped) },
62 { "multicast", E1000_STAT(stats.mprc) },
63 { "collisions", E1000_STAT(stats.colc) },
64 { "rx_length_errors", E1000_STAT(stats.rlerrc) },
65 { "rx_over_errors", E1000_NETDEV_STAT(stats.rx_over_errors) },
66 { "rx_crc_errors", E1000_STAT(stats.crcerrs) },
67 { "rx_frame_errors", E1000_NETDEV_STAT(stats.rx_frame_errors) },
68 { "rx_no_buffer_count", E1000_STAT(stats.rnbc) },
69 { "rx_missed_errors", E1000_STAT(stats.mpc) },
70 { "tx_aborted_errors", E1000_STAT(stats.ecol) },
71 { "tx_carrier_errors", E1000_STAT(stats.tncrs) },
72 { "tx_fifo_errors", E1000_NETDEV_STAT(stats.tx_fifo_errors) },
73 { "tx_heartbeat_errors", E1000_NETDEV_STAT(stats.tx_heartbeat_errors) },
74 { "tx_window_errors", E1000_STAT(stats.latecol) },
75 { "tx_abort_late_coll", E1000_STAT(stats.latecol) },
76 { "tx_deferred_ok", E1000_STAT(stats.dc) },
77 { "tx_single_coll_ok", E1000_STAT(stats.scc) },
78 { "tx_multi_coll_ok", E1000_STAT(stats.mcc) },
79 { "tx_timeout_count", E1000_STAT(tx_timeout_count) },
80 { "tx_restart_queue", E1000_STAT(restart_queue) },
81 { "rx_long_length_errors", E1000_STAT(stats.roc) },
82 { "rx_short_length_errors", E1000_STAT(stats.ruc) },
83 { "rx_align_errors", E1000_STAT(stats.algnerrc) },
84 { "tx_tcp_seg_good", E1000_STAT(stats.tsctc) },
85 { "tx_tcp_seg_failed", E1000_STAT(stats.tsctfc) },
86 { "rx_flow_control_xon", E1000_STAT(stats.xonrxc) },
87 { "rx_flow_control_xoff", E1000_STAT(stats.xoffrxc) },
88 { "tx_flow_control_xon", E1000_STAT(stats.xontxc) },
89 { "tx_flow_control_xoff", E1000_STAT(stats.xofftxc) },
90 { "rx_long_byte_count", E1000_STAT(stats.gorcl) },
91 { "rx_csum_offload_good", E1000_STAT(hw_csum_good) },
92 { "rx_csum_offload_errors", E1000_STAT(hw_csum_err) },
93 { "alloc_rx_buff_failed", E1000_STAT(alloc_rx_buff_failed) },
94 { "tx_smbus", E1000_STAT(stats.mgptc) },
95 { "rx_smbus", E1000_STAT(stats.mgprc) },
96 { "dropped_smbus", E1000_STAT(stats.mgpdc) },
99 #define E1000_QUEUE_STATS_LEN 0
100 #define E1000_GLOBAL_STATS_LEN ARRAY_SIZE(e1000_gstrings_stats)
101 #define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN + E1000_QUEUE_STATS_LEN)
102 static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = {
103 "Register test (offline)", "Eeprom test (offline)",
104 "Interrupt test (offline)", "Loopback test (offline)",
105 "Link test (on/offline)"
107 #define E1000_TEST_LEN ARRAY_SIZE(e1000_gstrings_test)
109 static int e1000_get_settings(struct net_device *netdev,
110 struct ethtool_cmd *ecmd)
112 struct e1000_adapter *adapter = netdev_priv(netdev);
113 struct e1000_hw *hw = &adapter->hw;
115 if (hw->media_type == e1000_media_type_copper) {
117 ecmd->supported = (SUPPORTED_10baseT_Half |
118 SUPPORTED_10baseT_Full |
119 SUPPORTED_100baseT_Half |
120 SUPPORTED_100baseT_Full |
121 SUPPORTED_1000baseT_Full|
124 ecmd->advertising = ADVERTISED_TP;
126 if (hw->autoneg == 1) {
127 ecmd->advertising |= ADVERTISED_Autoneg;
128 /* the e1000 autoneg seems to match ethtool nicely */
129 ecmd->advertising |= hw->autoneg_advertised;
132 ecmd->port = PORT_TP;
133 ecmd->phy_address = hw->phy_addr;
135 if (hw->mac_type == e1000_82543)
136 ecmd->transceiver = XCVR_EXTERNAL;
138 ecmd->transceiver = XCVR_INTERNAL;
141 ecmd->supported = (SUPPORTED_1000baseT_Full |
145 ecmd->advertising = (ADVERTISED_1000baseT_Full |
149 ecmd->port = PORT_FIBRE;
151 if (hw->mac_type >= e1000_82545)
152 ecmd->transceiver = XCVR_INTERNAL;
154 ecmd->transceiver = XCVR_EXTERNAL;
157 if (er32(STATUS) & E1000_STATUS_LU) {
159 e1000_get_speed_and_duplex(hw, &adapter->link_speed,
160 &adapter->link_duplex);
161 ethtool_cmd_speed_set(ecmd, adapter->link_speed);
163 /* unfortunately FULL_DUPLEX != DUPLEX_FULL
164 * and HALF_DUPLEX != DUPLEX_HALF
166 if (adapter->link_duplex == FULL_DUPLEX)
167 ecmd->duplex = DUPLEX_FULL;
169 ecmd->duplex = DUPLEX_HALF;
171 ethtool_cmd_speed_set(ecmd, SPEED_UNKNOWN);
172 ecmd->duplex = DUPLEX_UNKNOWN;
175 ecmd->autoneg = ((hw->media_type == e1000_media_type_fiber) ||
176 hw->autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE;
178 /* MDI-X => 1; MDI => 0 */
179 if ((hw->media_type == e1000_media_type_copper) &&
180 netif_carrier_ok(netdev))
181 ecmd->eth_tp_mdix = (!!adapter->phy_info.mdix_mode ?
182 ETH_TP_MDI_X : ETH_TP_MDI);
184 ecmd->eth_tp_mdix = ETH_TP_MDI_INVALID;
186 if (hw->mdix == AUTO_ALL_MODES)
187 ecmd->eth_tp_mdix_ctrl = ETH_TP_MDI_AUTO;
189 ecmd->eth_tp_mdix_ctrl = hw->mdix;
193 static int e1000_set_settings(struct net_device *netdev,
194 struct ethtool_cmd *ecmd)
196 struct e1000_adapter *adapter = netdev_priv(netdev);
197 struct e1000_hw *hw = &adapter->hw;
199 /* MDI setting is only allowed when autoneg enabled because
200 * some hardware doesn't allow MDI setting when speed or
203 if (ecmd->eth_tp_mdix_ctrl) {
204 if (hw->media_type != e1000_media_type_copper)
207 if ((ecmd->eth_tp_mdix_ctrl != ETH_TP_MDI_AUTO) &&
208 (ecmd->autoneg != AUTONEG_ENABLE)) {
209 e_err(drv, "forcing MDI/MDI-X state is not supported when link speed and/or duplex are forced\n");
214 while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
217 if (ecmd->autoneg == AUTONEG_ENABLE) {
219 if (hw->media_type == e1000_media_type_fiber)
220 hw->autoneg_advertised = ADVERTISED_1000baseT_Full |
224 hw->autoneg_advertised = ecmd->advertising |
227 ecmd->advertising = hw->autoneg_advertised;
229 u32 speed = ethtool_cmd_speed(ecmd);
230 /* calling this overrides forced MDI setting */
231 if (e1000_set_spd_dplx(adapter, speed, ecmd->duplex)) {
232 clear_bit(__E1000_RESETTING, &adapter->flags);
237 /* MDI-X => 2; MDI => 1; Auto => 3 */
238 if (ecmd->eth_tp_mdix_ctrl) {
239 if (ecmd->eth_tp_mdix_ctrl == ETH_TP_MDI_AUTO)
240 hw->mdix = AUTO_ALL_MODES;
242 hw->mdix = ecmd->eth_tp_mdix_ctrl;
247 if (netif_running(adapter->netdev)) {
251 e1000_reset(adapter);
253 clear_bit(__E1000_RESETTING, &adapter->flags);
257 static u32 e1000_get_link(struct net_device *netdev)
259 struct e1000_adapter *adapter = netdev_priv(netdev);
261 /* If the link is not reported up to netdev, interrupts are disabled,
262 * and so the physical link state may have changed since we last
263 * looked. Set get_link_status to make sure that the true link
264 * state is interrogated, rather than pulling a cached and possibly
265 * stale link state from the driver.
267 if (!netif_carrier_ok(netdev))
268 adapter->hw.get_link_status = 1;
270 return e1000_has_link(adapter);
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 == E1000_FC_RX_PAUSE)
284 else if (hw->fc == E1000_FC_TX_PAUSE)
286 else if (hw->fc == 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->flags))
304 if (pause->rx_pause && pause->tx_pause)
305 hw->fc = E1000_FC_FULL;
306 else if (pause->rx_pause && !pause->tx_pause)
307 hw->fc = E1000_FC_RX_PAUSE;
308 else if (!pause->rx_pause && pause->tx_pause)
309 hw->fc = E1000_FC_TX_PAUSE;
310 else if (!pause->rx_pause && !pause->tx_pause)
311 hw->fc = E1000_FC_NONE;
313 hw->original_fc = hw->fc;
315 if (adapter->fc_autoneg == AUTONEG_ENABLE) {
316 if (netif_running(adapter->netdev)) {
320 e1000_reset(adapter);
322 retval = ((hw->media_type == e1000_media_type_fiber) ?
323 e1000_setup_link(hw) : e1000_force_mac_fc(hw));
325 clear_bit(__E1000_RESETTING, &adapter->flags);
329 static u32 e1000_get_msglevel(struct net_device *netdev)
331 struct e1000_adapter *adapter = netdev_priv(netdev);
332 return adapter->msg_enable;
335 static void e1000_set_msglevel(struct net_device *netdev, u32 data)
337 struct e1000_adapter *adapter = netdev_priv(netdev);
338 adapter->msg_enable = data;
341 static int e1000_get_regs_len(struct net_device *netdev)
343 #define E1000_REGS_LEN 32
344 return E1000_REGS_LEN * sizeof(u32);
347 static void e1000_get_regs(struct net_device *netdev, struct ethtool_regs *regs,
350 struct e1000_adapter *adapter = netdev_priv(netdev);
351 struct e1000_hw *hw = &adapter->hw;
355 memset(p, 0, E1000_REGS_LEN * sizeof(u32));
357 regs->version = (1 << 24) | (hw->revision_id << 16) | hw->device_id;
359 regs_buff[0] = er32(CTRL);
360 regs_buff[1] = er32(STATUS);
362 regs_buff[2] = er32(RCTL);
363 regs_buff[3] = er32(RDLEN);
364 regs_buff[4] = er32(RDH);
365 regs_buff[5] = er32(RDT);
366 regs_buff[6] = er32(RDTR);
368 regs_buff[7] = er32(TCTL);
369 regs_buff[8] = er32(TDLEN);
370 regs_buff[9] = er32(TDH);
371 regs_buff[10] = er32(TDT);
372 regs_buff[11] = er32(TIDV);
374 regs_buff[12] = hw->phy_type; /* PHY type (IGP=1, M88=0) */
375 if (hw->phy_type == e1000_phy_igp) {
376 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
377 IGP01E1000_PHY_AGC_A);
378 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_A &
379 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
380 regs_buff[13] = (u32)phy_data; /* cable length */
381 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
382 IGP01E1000_PHY_AGC_B);
383 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_B &
384 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
385 regs_buff[14] = (u32)phy_data; /* cable length */
386 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
387 IGP01E1000_PHY_AGC_C);
388 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_C &
389 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
390 regs_buff[15] = (u32)phy_data; /* cable length */
391 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
392 IGP01E1000_PHY_AGC_D);
393 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_D &
394 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
395 regs_buff[16] = (u32)phy_data; /* cable length */
396 regs_buff[17] = 0; /* extended 10bt distance (not needed) */
397 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0);
398 e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_STATUS &
399 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
400 regs_buff[18] = (u32)phy_data; /* cable polarity */
401 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
402 IGP01E1000_PHY_PCS_INIT_REG);
403 e1000_read_phy_reg(hw, IGP01E1000_PHY_PCS_INIT_REG &
404 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
405 regs_buff[19] = (u32)phy_data; /* cable polarity */
406 regs_buff[20] = 0; /* polarity correction enabled (always) */
407 regs_buff[22] = 0; /* phy receive errors (unavailable) */
408 regs_buff[23] = regs_buff[18]; /* mdix mode */
409 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0);
411 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
412 regs_buff[13] = (u32)phy_data; /* cable length */
413 regs_buff[14] = 0; /* Dummy (to align w/ IGP phy reg dump) */
414 regs_buff[15] = 0; /* Dummy (to align w/ IGP phy reg dump) */
415 regs_buff[16] = 0; /* Dummy (to align w/ IGP phy reg dump) */
416 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
417 regs_buff[17] = (u32)phy_data; /* extended 10bt distance */
418 regs_buff[18] = regs_buff[13]; /* cable polarity */
419 regs_buff[19] = 0; /* Dummy (to align w/ IGP phy reg dump) */
420 regs_buff[20] = regs_buff[17]; /* polarity correction */
421 /* phy receive errors */
422 regs_buff[22] = adapter->phy_stats.receive_errors;
423 regs_buff[23] = regs_buff[13]; /* mdix mode */
425 regs_buff[21] = adapter->phy_stats.idle_errors; /* phy idle errors */
426 e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_data);
427 regs_buff[24] = (u32)phy_data; /* phy local receiver status */
428 regs_buff[25] = regs_buff[24]; /* phy remote receiver status */
429 if (hw->mac_type >= e1000_82540 &&
430 hw->media_type == e1000_media_type_copper) {
431 regs_buff[26] = er32(MANC);
435 static int e1000_get_eeprom_len(struct net_device *netdev)
437 struct e1000_adapter *adapter = netdev_priv(netdev);
438 struct e1000_hw *hw = &adapter->hw;
440 return hw->eeprom.word_size * 2;
443 static int e1000_get_eeprom(struct net_device *netdev,
444 struct ethtool_eeprom *eeprom, u8 *bytes)
446 struct e1000_adapter *adapter = netdev_priv(netdev);
447 struct e1000_hw *hw = &adapter->hw;
449 int first_word, last_word;
453 if (eeprom->len == 0)
456 eeprom->magic = hw->vendor_id | (hw->device_id << 16);
458 first_word = eeprom->offset >> 1;
459 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
461 eeprom_buff = kmalloc(sizeof(u16) *
462 (last_word - first_word + 1), GFP_KERNEL);
466 if (hw->eeprom.type == e1000_eeprom_spi)
467 ret_val = e1000_read_eeprom(hw, first_word,
468 last_word - first_word + 1,
471 for (i = 0; i < last_word - first_word + 1; i++) {
472 ret_val = e1000_read_eeprom(hw, first_word + i, 1,
479 /* Device's eeprom is always little-endian, word addressable */
480 for (i = 0; i < last_word - first_word + 1; i++)
481 le16_to_cpus(&eeprom_buff[i]);
483 memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1),
490 static int e1000_set_eeprom(struct net_device *netdev,
491 struct ethtool_eeprom *eeprom, u8 *bytes)
493 struct e1000_adapter *adapter = netdev_priv(netdev);
494 struct e1000_hw *hw = &adapter->hw;
497 int max_len, first_word, last_word, ret_val = 0;
500 if (eeprom->len == 0)
503 if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
506 max_len = hw->eeprom.word_size * 2;
508 first_word = eeprom->offset >> 1;
509 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
510 eeprom_buff = kmalloc(max_len, GFP_KERNEL);
514 ptr = (void *)eeprom_buff;
516 if (eeprom->offset & 1) {
517 /* need read/modify/write of first changed EEPROM word
518 * only the second byte of the word is being modified
520 ret_val = e1000_read_eeprom(hw, first_word, 1,
524 if (((eeprom->offset + eeprom->len) & 1) && (ret_val == 0)) {
525 /* need read/modify/write of last changed EEPROM word
526 * only the first byte of the word is being modified
528 ret_val = e1000_read_eeprom(hw, last_word, 1,
529 &eeprom_buff[last_word - first_word]);
532 /* Device's eeprom is always little-endian, word addressable */
533 for (i = 0; i < last_word - first_word + 1; i++)
534 le16_to_cpus(&eeprom_buff[i]);
536 memcpy(ptr, bytes, eeprom->len);
538 for (i = 0; i < last_word - first_word + 1; i++)
539 eeprom_buff[i] = cpu_to_le16(eeprom_buff[i]);
541 ret_val = e1000_write_eeprom(hw, first_word,
542 last_word - first_word + 1, eeprom_buff);
544 /* Update the checksum over the first part of the EEPROM if needed */
545 if ((ret_val == 0) && (first_word <= EEPROM_CHECKSUM_REG))
546 e1000_update_eeprom_checksum(hw);
552 static void e1000_get_drvinfo(struct net_device *netdev,
553 struct ethtool_drvinfo *drvinfo)
555 struct e1000_adapter *adapter = netdev_priv(netdev);
557 strlcpy(drvinfo->driver, e1000_driver_name,
558 sizeof(drvinfo->driver));
559 strlcpy(drvinfo->version, e1000_driver_version,
560 sizeof(drvinfo->version));
562 strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
563 sizeof(drvinfo->bus_info));
564 drvinfo->regdump_len = e1000_get_regs_len(netdev);
565 drvinfo->eedump_len = e1000_get_eeprom_len(netdev);
568 static void e1000_get_ringparam(struct net_device *netdev,
569 struct ethtool_ringparam *ring)
571 struct e1000_adapter *adapter = netdev_priv(netdev);
572 struct e1000_hw *hw = &adapter->hw;
573 e1000_mac_type mac_type = hw->mac_type;
574 struct e1000_tx_ring *txdr = adapter->tx_ring;
575 struct e1000_rx_ring *rxdr = adapter->rx_ring;
577 ring->rx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_RXD :
579 ring->tx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_TXD :
581 ring->rx_pending = rxdr->count;
582 ring->tx_pending = txdr->count;
585 static int e1000_set_ringparam(struct net_device *netdev,
586 struct ethtool_ringparam *ring)
588 struct e1000_adapter *adapter = netdev_priv(netdev);
589 struct e1000_hw *hw = &adapter->hw;
590 e1000_mac_type mac_type = hw->mac_type;
591 struct e1000_tx_ring *txdr, *tx_old;
592 struct e1000_rx_ring *rxdr, *rx_old;
595 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
598 while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
601 if (netif_running(adapter->netdev))
604 tx_old = adapter->tx_ring;
605 rx_old = adapter->rx_ring;
608 txdr = kcalloc(adapter->num_tx_queues, sizeof(struct e1000_tx_ring),
613 rxdr = kcalloc(adapter->num_rx_queues, sizeof(struct e1000_rx_ring),
618 adapter->tx_ring = txdr;
619 adapter->rx_ring = rxdr;
621 rxdr->count = max(ring->rx_pending,(u32)E1000_MIN_RXD);
622 rxdr->count = min(rxdr->count,(u32)(mac_type < e1000_82544 ?
623 E1000_MAX_RXD : E1000_MAX_82544_RXD));
624 rxdr->count = ALIGN(rxdr->count, REQ_RX_DESCRIPTOR_MULTIPLE);
626 txdr->count = max(ring->tx_pending,(u32)E1000_MIN_TXD);
627 txdr->count = min(txdr->count,(u32)(mac_type < e1000_82544 ?
628 E1000_MAX_TXD : E1000_MAX_82544_TXD));
629 txdr->count = ALIGN(txdr->count, REQ_TX_DESCRIPTOR_MULTIPLE);
631 for (i = 0; i < adapter->num_tx_queues; i++)
632 txdr[i].count = txdr->count;
633 for (i = 0; i < adapter->num_rx_queues; i++)
634 rxdr[i].count = rxdr->count;
636 if (netif_running(adapter->netdev)) {
637 /* Try to get new resources before deleting old */
638 err = e1000_setup_all_rx_resources(adapter);
641 err = e1000_setup_all_tx_resources(adapter);
645 /* save the new, restore the old in order to free it,
646 * then restore the new back again
649 adapter->rx_ring = rx_old;
650 adapter->tx_ring = tx_old;
651 e1000_free_all_rx_resources(adapter);
652 e1000_free_all_tx_resources(adapter);
655 adapter->rx_ring = rxdr;
656 adapter->tx_ring = txdr;
657 err = e1000_up(adapter);
662 clear_bit(__E1000_RESETTING, &adapter->flags);
665 e1000_free_all_rx_resources(adapter);
667 adapter->rx_ring = rx_old;
668 adapter->tx_ring = tx_old;
675 clear_bit(__E1000_RESETTING, &adapter->flags);
679 static bool reg_pattern_test(struct e1000_adapter *adapter, u64 *data, int reg,
682 struct e1000_hw *hw = &adapter->hw;
683 static const u32 test[] =
684 {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF};
685 u8 __iomem *address = hw->hw_addr + reg;
689 for (i = 0; i < ARRAY_SIZE(test); i++) {
690 writel(write & test[i], address);
691 read = readl(address);
692 if (read != (write & test[i] & mask)) {
693 e_err(drv, "pattern test reg %04X failed: "
694 "got 0x%08X expected 0x%08X\n",
695 reg, read, (write & test[i] & mask));
703 static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data, int reg,
706 struct e1000_hw *hw = &adapter->hw;
707 u8 __iomem *address = hw->hw_addr + reg;
710 writel(write & mask, address);
711 read = readl(address);
712 if ((read & mask) != (write & mask)) {
713 e_err(drv, "set/check reg %04X test failed: "
714 "got 0x%08X expected 0x%08X\n",
715 reg, (read & mask), (write & mask));
722 #define REG_PATTERN_TEST(reg, mask, write) \
724 if (reg_pattern_test(adapter, data, \
725 (hw->mac_type >= e1000_82543) \
726 ? E1000_##reg : E1000_82542_##reg, \
731 #define REG_SET_AND_CHECK(reg, mask, write) \
733 if (reg_set_and_check(adapter, data, \
734 (hw->mac_type >= e1000_82543) \
735 ? E1000_##reg : E1000_82542_##reg, \
740 static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data)
742 u32 value, before, after;
744 struct e1000_hw *hw = &adapter->hw;
746 /* The status register is Read Only, so a write should fail.
747 * Some bits that get toggled are ignored.
750 /* there are several bits on newer hardware that are r/w */
753 before = er32(STATUS);
754 value = (er32(STATUS) & toggle);
755 ew32(STATUS, toggle);
756 after = er32(STATUS) & toggle;
757 if (value != after) {
758 e_err(drv, "failed STATUS register test got: "
759 "0x%08X expected: 0x%08X\n", after, value);
763 /* restore previous status */
764 ew32(STATUS, before);
766 REG_PATTERN_TEST(FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
767 REG_PATTERN_TEST(FCAH, 0x0000FFFF, 0xFFFFFFFF);
768 REG_PATTERN_TEST(FCT, 0x0000FFFF, 0xFFFFFFFF);
769 REG_PATTERN_TEST(VET, 0x0000FFFF, 0xFFFFFFFF);
771 REG_PATTERN_TEST(RDTR, 0x0000FFFF, 0xFFFFFFFF);
772 REG_PATTERN_TEST(RDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
773 REG_PATTERN_TEST(RDLEN, 0x000FFF80, 0x000FFFFF);
774 REG_PATTERN_TEST(RDH, 0x0000FFFF, 0x0000FFFF);
775 REG_PATTERN_TEST(RDT, 0x0000FFFF, 0x0000FFFF);
776 REG_PATTERN_TEST(FCRTH, 0x0000FFF8, 0x0000FFF8);
777 REG_PATTERN_TEST(FCTTV, 0x0000FFFF, 0x0000FFFF);
778 REG_PATTERN_TEST(TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
779 REG_PATTERN_TEST(TDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
780 REG_PATTERN_TEST(TDLEN, 0x000FFF80, 0x000FFFFF);
782 REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x00000000);
785 REG_SET_AND_CHECK(RCTL, before, 0x003FFFFB);
786 REG_SET_AND_CHECK(TCTL, 0xFFFFFFFF, 0x00000000);
788 if (hw->mac_type >= e1000_82543) {
789 REG_SET_AND_CHECK(RCTL, before, 0xFFFFFFFF);
790 REG_PATTERN_TEST(RDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
791 REG_PATTERN_TEST(TXCW, 0xC000FFFF, 0x0000FFFF);
792 REG_PATTERN_TEST(TDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
793 REG_PATTERN_TEST(TIDV, 0x0000FFFF, 0x0000FFFF);
794 value = E1000_RAR_ENTRIES;
795 for (i = 0; i < value; i++) {
796 REG_PATTERN_TEST(RA + (((i << 1) + 1) << 2), 0x8003FFFF,
800 REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x01FFFFFF);
801 REG_PATTERN_TEST(RDBAL, 0xFFFFF000, 0xFFFFFFFF);
802 REG_PATTERN_TEST(TXCW, 0x0000FFFF, 0x0000FFFF);
803 REG_PATTERN_TEST(TDBAL, 0xFFFFF000, 0xFFFFFFFF);
806 value = E1000_MC_TBL_SIZE;
807 for (i = 0; i < value; i++)
808 REG_PATTERN_TEST(MTA + (i << 2), 0xFFFFFFFF, 0xFFFFFFFF);
814 static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data)
816 struct e1000_hw *hw = &adapter->hw;
822 /* Read and add up the contents of the EEPROM */
823 for (i = 0; i < (EEPROM_CHECKSUM_REG + 1); i++) {
824 if ((e1000_read_eeprom(hw, i, 1, &temp)) < 0) {
831 /* If Checksum is not Correct return error else test passed */
832 if ((checksum != (u16)EEPROM_SUM) && !(*data))
838 static irqreturn_t e1000_test_intr(int irq, void *data)
840 struct net_device *netdev = (struct net_device *)data;
841 struct e1000_adapter *adapter = netdev_priv(netdev);
842 struct e1000_hw *hw = &adapter->hw;
844 adapter->test_icr |= er32(ICR);
849 static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data)
851 struct net_device *netdev = adapter->netdev;
853 bool shared_int = true;
854 u32 irq = adapter->pdev->irq;
855 struct e1000_hw *hw = &adapter->hw;
859 /* NOTE: we don't test MSI interrupts here, yet
860 * Hook up test interrupt handler just for this test
862 if (!request_irq(irq, e1000_test_intr, IRQF_PROBE_SHARED, netdev->name,
865 else if (request_irq(irq, e1000_test_intr, IRQF_SHARED,
866 netdev->name, netdev)) {
870 e_info(hw, "testing %s interrupt\n", (shared_int ?
871 "shared" : "unshared"));
873 /* Disable all the interrupts */
874 ew32(IMC, 0xFFFFFFFF);
878 /* Test each interrupt */
879 for (; i < 10; i++) {
881 /* Interrupt to test */
885 /* Disable the interrupt to be reported in
886 * the cause register and then force the same
887 * interrupt and see if one gets posted. If
888 * an interrupt was posted to the bus, the
891 adapter->test_icr = 0;
897 if (adapter->test_icr & mask) {
903 /* Enable the interrupt to be reported in
904 * the cause register and then force the same
905 * interrupt and see if one gets posted. If
906 * an interrupt was not posted to the bus, the
909 adapter->test_icr = 0;
915 if (!(adapter->test_icr & mask)) {
921 /* Disable the other interrupts to be reported in
922 * the cause register and then force the other
923 * interrupts and see if any get posted. If
924 * an interrupt was posted to the bus, the
927 adapter->test_icr = 0;
928 ew32(IMC, ~mask & 0x00007FFF);
929 ew32(ICS, ~mask & 0x00007FFF);
933 if (adapter->test_icr) {
940 /* Disable all the interrupts */
941 ew32(IMC, 0xFFFFFFFF);
945 /* Unhook test interrupt handler */
946 free_irq(irq, netdev);
951 static void e1000_free_desc_rings(struct e1000_adapter *adapter)
953 struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
954 struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
955 struct pci_dev *pdev = adapter->pdev;
958 if (txdr->desc && txdr->buffer_info) {
959 for (i = 0; i < txdr->count; i++) {
960 if (txdr->buffer_info[i].dma)
961 dma_unmap_single(&pdev->dev,
962 txdr->buffer_info[i].dma,
963 txdr->buffer_info[i].length,
965 if (txdr->buffer_info[i].skb)
966 dev_kfree_skb(txdr->buffer_info[i].skb);
970 if (rxdr->desc && rxdr->buffer_info) {
971 for (i = 0; i < rxdr->count; i++) {
972 if (rxdr->buffer_info[i].dma)
973 dma_unmap_single(&pdev->dev,
974 rxdr->buffer_info[i].dma,
975 rxdr->buffer_info[i].length,
977 if (rxdr->buffer_info[i].skb)
978 dev_kfree_skb(rxdr->buffer_info[i].skb);
983 dma_free_coherent(&pdev->dev, txdr->size, txdr->desc,
988 dma_free_coherent(&pdev->dev, rxdr->size, rxdr->desc,
993 kfree(txdr->buffer_info);
994 txdr->buffer_info = NULL;
995 kfree(rxdr->buffer_info);
996 rxdr->buffer_info = NULL;
999 static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
1001 struct e1000_hw *hw = &adapter->hw;
1002 struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
1003 struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
1004 struct pci_dev *pdev = adapter->pdev;
1008 /* Setup Tx descriptor ring and Tx buffers */
1011 txdr->count = E1000_DEFAULT_TXD;
1013 txdr->buffer_info = kcalloc(txdr->count, sizeof(struct e1000_buffer),
1015 if (!txdr->buffer_info) {
1020 txdr->size = txdr->count * sizeof(struct e1000_tx_desc);
1021 txdr->size = ALIGN(txdr->size, 4096);
1022 txdr->desc = dma_zalloc_coherent(&pdev->dev, txdr->size, &txdr->dma,
1028 txdr->next_to_use = txdr->next_to_clean = 0;
1030 ew32(TDBAL, ((u64)txdr->dma & 0x00000000FFFFFFFF));
1031 ew32(TDBAH, ((u64)txdr->dma >> 32));
1032 ew32(TDLEN, txdr->count * sizeof(struct e1000_tx_desc));
1035 ew32(TCTL, E1000_TCTL_PSP | E1000_TCTL_EN |
1036 E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
1037 E1000_FDX_COLLISION_DISTANCE << E1000_COLD_SHIFT);
1039 for (i = 0; i < txdr->count; i++) {
1040 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*txdr, i);
1041 struct sk_buff *skb;
1042 unsigned int size = 1024;
1044 skb = alloc_skb(size, GFP_KERNEL);
1050 txdr->buffer_info[i].skb = skb;
1051 txdr->buffer_info[i].length = skb->len;
1052 txdr->buffer_info[i].dma =
1053 dma_map_single(&pdev->dev, skb->data, skb->len,
1055 if (dma_mapping_error(&pdev->dev, txdr->buffer_info[i].dma)) {
1059 tx_desc->buffer_addr = cpu_to_le64(txdr->buffer_info[i].dma);
1060 tx_desc->lower.data = cpu_to_le32(skb->len);
1061 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
1062 E1000_TXD_CMD_IFCS |
1064 tx_desc->upper.data = 0;
1067 /* Setup Rx descriptor ring and Rx buffers */
1070 rxdr->count = E1000_DEFAULT_RXD;
1072 rxdr->buffer_info = kcalloc(rxdr->count, sizeof(struct e1000_buffer),
1074 if (!rxdr->buffer_info) {
1079 rxdr->size = rxdr->count * sizeof(struct e1000_rx_desc);
1080 rxdr->desc = dma_zalloc_coherent(&pdev->dev, rxdr->size, &rxdr->dma,
1086 rxdr->next_to_use = rxdr->next_to_clean = 0;
1089 ew32(RCTL, rctl & ~E1000_RCTL_EN);
1090 ew32(RDBAL, ((u64)rxdr->dma & 0xFFFFFFFF));
1091 ew32(RDBAH, ((u64)rxdr->dma >> 32));
1092 ew32(RDLEN, rxdr->size);
1095 rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
1096 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
1097 (hw->mc_filter_type << E1000_RCTL_MO_SHIFT);
1100 for (i = 0; i < rxdr->count; i++) {
1101 struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rxdr, i);
1102 struct sk_buff *skb;
1104 skb = alloc_skb(E1000_RXBUFFER_2048 + NET_IP_ALIGN, GFP_KERNEL);
1109 skb_reserve(skb, NET_IP_ALIGN);
1110 rxdr->buffer_info[i].skb = skb;
1111 rxdr->buffer_info[i].length = E1000_RXBUFFER_2048;
1112 rxdr->buffer_info[i].dma =
1113 dma_map_single(&pdev->dev, skb->data,
1114 E1000_RXBUFFER_2048, DMA_FROM_DEVICE);
1115 if (dma_mapping_error(&pdev->dev, rxdr->buffer_info[i].dma)) {
1119 rx_desc->buffer_addr = cpu_to_le64(rxdr->buffer_info[i].dma);
1120 memset(skb->data, 0x00, skb->len);
1126 e1000_free_desc_rings(adapter);
1130 static void e1000_phy_disable_receiver(struct e1000_adapter *adapter)
1132 struct e1000_hw *hw = &adapter->hw;
1134 /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1135 e1000_write_phy_reg(hw, 29, 0x001F);
1136 e1000_write_phy_reg(hw, 30, 0x8FFC);
1137 e1000_write_phy_reg(hw, 29, 0x001A);
1138 e1000_write_phy_reg(hw, 30, 0x8FF0);
1141 static void e1000_phy_reset_clk_and_crs(struct e1000_adapter *adapter)
1143 struct e1000_hw *hw = &adapter->hw;
1146 /* Because we reset the PHY above, we need to re-force TX_CLK in the
1147 * Extended PHY Specific Control Register to 25MHz clock. This
1148 * value defaults back to a 2.5MHz clock when the PHY is reset.
1150 e1000_read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
1151 phy_reg |= M88E1000_EPSCR_TX_CLK_25;
1152 e1000_write_phy_reg(hw,
1153 M88E1000_EXT_PHY_SPEC_CTRL, phy_reg);
1155 /* In addition, because of the s/w reset above, we need to enable
1156 * CRS on TX. This must be set for both full and half duplex
1159 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);
1160 phy_reg |= M88E1000_PSCR_ASSERT_CRS_ON_TX;
1161 e1000_write_phy_reg(hw,
1162 M88E1000_PHY_SPEC_CTRL, phy_reg);
1165 static int e1000_nonintegrated_phy_loopback(struct e1000_adapter *adapter)
1167 struct e1000_hw *hw = &adapter->hw;
1171 /* Setup the Device Control Register for PHY loopback test. */
1173 ctrl_reg = er32(CTRL);
1174 ctrl_reg |= (E1000_CTRL_ILOS | /* Invert Loss-Of-Signal */
1175 E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1176 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1177 E1000_CTRL_SPD_1000 | /* Force Speed to 1000 */
1178 E1000_CTRL_FD); /* Force Duplex to FULL */
1180 ew32(CTRL, ctrl_reg);
1182 /* Read the PHY Specific Control Register (0x10) */
1183 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);
1185 /* Clear Auto-Crossover bits in PHY Specific Control Register
1188 phy_reg &= ~M88E1000_PSCR_AUTO_X_MODE;
1189 e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_reg);
1191 /* Perform software reset on the PHY */
1192 e1000_phy_reset(hw);
1194 /* Have to setup TX_CLK and TX_CRS after software reset */
1195 e1000_phy_reset_clk_and_crs(adapter);
1197 e1000_write_phy_reg(hw, PHY_CTRL, 0x8100);
1199 /* Wait for reset to complete. */
1202 /* Have to setup TX_CLK and TX_CRS after software reset */
1203 e1000_phy_reset_clk_and_crs(adapter);
1205 /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1206 e1000_phy_disable_receiver(adapter);
1208 /* Set the loopback bit in the PHY control register. */
1209 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1210 phy_reg |= MII_CR_LOOPBACK;
1211 e1000_write_phy_reg(hw, PHY_CTRL, phy_reg);
1213 /* Setup TX_CLK and TX_CRS one more time. */
1214 e1000_phy_reset_clk_and_crs(adapter);
1216 /* Check Phy Configuration */
1217 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1218 if (phy_reg != 0x4100)
1221 e1000_read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
1222 if (phy_reg != 0x0070)
1225 e1000_read_phy_reg(hw, 29, &phy_reg);
1226 if (phy_reg != 0x001A)
1232 static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
1234 struct e1000_hw *hw = &adapter->hw;
1238 hw->autoneg = false;
1240 if (hw->phy_type == e1000_phy_m88) {
1241 /* Auto-MDI/MDIX Off */
1242 e1000_write_phy_reg(hw,
1243 M88E1000_PHY_SPEC_CTRL, 0x0808);
1244 /* reset to update Auto-MDI/MDIX */
1245 e1000_write_phy_reg(hw, PHY_CTRL, 0x9140);
1247 e1000_write_phy_reg(hw, PHY_CTRL, 0x8140);
1250 ctrl_reg = er32(CTRL);
1252 /* force 1000, set loopback */
1253 e1000_write_phy_reg(hw, PHY_CTRL, 0x4140);
1255 /* Now set up the MAC to the same speed/duplex as the PHY. */
1256 ctrl_reg = er32(CTRL);
1257 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1258 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1259 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1260 E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
1261 E1000_CTRL_FD); /* Force Duplex to FULL */
1263 if (hw->media_type == e1000_media_type_copper &&
1264 hw->phy_type == e1000_phy_m88)
1265 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
1267 /* Set the ILOS bit on the fiber Nic is half
1268 * duplex link is detected.
1270 stat_reg = er32(STATUS);
1271 if ((stat_reg & E1000_STATUS_FD) == 0)
1272 ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
1275 ew32(CTRL, ctrl_reg);
1277 /* Disable the receiver on the PHY so when a cable is plugged in, the
1278 * PHY does not begin to autoneg when a cable is reconnected to the NIC.
1280 if (hw->phy_type == e1000_phy_m88)
1281 e1000_phy_disable_receiver(adapter);
1288 static int e1000_set_phy_loopback(struct e1000_adapter *adapter)
1290 struct e1000_hw *hw = &adapter->hw;
1294 switch (hw->mac_type) {
1296 if (hw->media_type == e1000_media_type_copper) {
1297 /* Attempt to setup Loopback mode on Non-integrated PHY.
1298 * Some PHY registers get corrupted at random, so
1299 * attempt this 10 times.
1301 while (e1000_nonintegrated_phy_loopback(adapter) &&
1311 case e1000_82545_rev_3:
1313 case e1000_82546_rev_3:
1315 case e1000_82541_rev_2:
1317 case e1000_82547_rev_2:
1318 return e1000_integrated_phy_loopback(adapter);
1320 /* Default PHY loopback work is to read the MII
1321 * control register and assert bit 14 (loopback mode).
1323 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1324 phy_reg |= MII_CR_LOOPBACK;
1325 e1000_write_phy_reg(hw, PHY_CTRL, phy_reg);
1332 static int e1000_setup_loopback_test(struct e1000_adapter *adapter)
1334 struct e1000_hw *hw = &adapter->hw;
1337 if (hw->media_type == e1000_media_type_fiber ||
1338 hw->media_type == e1000_media_type_internal_serdes) {
1339 switch (hw->mac_type) {
1342 case e1000_82545_rev_3:
1343 case e1000_82546_rev_3:
1344 return e1000_set_phy_loopback(adapter);
1347 rctl |= E1000_RCTL_LBM_TCVR;
1351 } else if (hw->media_type == e1000_media_type_copper)
1352 return e1000_set_phy_loopback(adapter);
1357 static void e1000_loopback_cleanup(struct e1000_adapter *adapter)
1359 struct e1000_hw *hw = &adapter->hw;
1364 rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
1367 switch (hw->mac_type) {
1370 case e1000_82545_rev_3:
1371 case e1000_82546_rev_3:
1374 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1375 if (phy_reg & MII_CR_LOOPBACK) {
1376 phy_reg &= ~MII_CR_LOOPBACK;
1377 e1000_write_phy_reg(hw, PHY_CTRL, phy_reg);
1378 e1000_phy_reset(hw);
1384 static void e1000_create_lbtest_frame(struct sk_buff *skb,
1385 unsigned int frame_size)
1387 memset(skb->data, 0xFF, frame_size);
1389 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1390 memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
1391 memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
1394 static int e1000_check_lbtest_frame(struct sk_buff *skb,
1395 unsigned int frame_size)
1398 if (*(skb->data + 3) == 0xFF) {
1399 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
1400 (*(skb->data + frame_size / 2 + 12) == 0xAF)) {
1407 static int e1000_run_loopback_test(struct e1000_adapter *adapter)
1409 struct e1000_hw *hw = &adapter->hw;
1410 struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
1411 struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
1412 struct pci_dev *pdev = adapter->pdev;
1413 int i, j, k, l, lc, good_cnt, ret_val=0;
1416 ew32(RDT, rxdr->count - 1);
1418 /* Calculate the loop count based on the largest descriptor ring
1419 * The idea is to wrap the largest ring a number of times using 64
1420 * send/receive pairs during each loop
1423 if (rxdr->count <= txdr->count)
1424 lc = ((txdr->count / 64) * 2) + 1;
1426 lc = ((rxdr->count / 64) * 2) + 1;
1429 for (j = 0; j <= lc; j++) { /* loop count loop */
1430 for (i = 0; i < 64; i++) { /* send the packets */
1431 e1000_create_lbtest_frame(txdr->buffer_info[i].skb,
1433 dma_sync_single_for_device(&pdev->dev,
1434 txdr->buffer_info[k].dma,
1435 txdr->buffer_info[k].length,
1437 if (unlikely(++k == txdr->count)) k = 0;
1440 E1000_WRITE_FLUSH();
1442 time = jiffies; /* set the start time for the receive */
1444 do { /* receive the sent packets */
1445 dma_sync_single_for_cpu(&pdev->dev,
1446 rxdr->buffer_info[l].dma,
1447 rxdr->buffer_info[l].length,
1450 ret_val = e1000_check_lbtest_frame(
1451 rxdr->buffer_info[l].skb,
1455 if (unlikely(++l == rxdr->count)) l = 0;
1456 /* time + 20 msecs (200 msecs on 2.4) is more than
1457 * enough time to complete the receives, if it's
1458 * exceeded, break and error off
1460 } while (good_cnt < 64 && time_after(time + 20, jiffies));
1462 if (good_cnt != 64) {
1463 ret_val = 13; /* ret_val is the same as mis-compare */
1466 if (jiffies >= (time + 2)) {
1467 ret_val = 14; /* error code for time out error */
1470 } /* end loop count loop */
1474 static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data)
1476 *data = e1000_setup_desc_rings(adapter);
1479 *data = e1000_setup_loopback_test(adapter);
1482 *data = e1000_run_loopback_test(adapter);
1483 e1000_loopback_cleanup(adapter);
1486 e1000_free_desc_rings(adapter);
1491 static int e1000_link_test(struct e1000_adapter *adapter, u64 *data)
1493 struct e1000_hw *hw = &adapter->hw;
1495 if (hw->media_type == e1000_media_type_internal_serdes) {
1497 hw->serdes_has_link = false;
1499 /* On some blade server designs, link establishment
1500 * could take as long as 2-3 minutes
1503 e1000_check_for_link(hw);
1504 if (hw->serdes_has_link)
1507 } while (i++ < 3750);
1511 e1000_check_for_link(hw);
1512 if (hw->autoneg) /* if auto_neg is set wait for it */
1515 if (!(er32(STATUS) & E1000_STATUS_LU)) {
1522 static int e1000_get_sset_count(struct net_device *netdev, int sset)
1526 return E1000_TEST_LEN;
1528 return E1000_STATS_LEN;
1534 static void e1000_diag_test(struct net_device *netdev,
1535 struct ethtool_test *eth_test, u64 *data)
1537 struct e1000_adapter *adapter = netdev_priv(netdev);
1538 struct e1000_hw *hw = &adapter->hw;
1539 bool if_running = netif_running(netdev);
1541 set_bit(__E1000_TESTING, &adapter->flags);
1542 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1545 /* save speed, duplex, autoneg settings */
1546 u16 autoneg_advertised = hw->autoneg_advertised;
1547 u8 forced_speed_duplex = hw->forced_speed_duplex;
1548 u8 autoneg = hw->autoneg;
1550 e_info(hw, "offline testing starting\n");
1552 /* Link test performed before hardware reset so autoneg doesn't
1553 * interfere with test result
1555 if (e1000_link_test(adapter, &data[4]))
1556 eth_test->flags |= ETH_TEST_FL_FAILED;
1559 /* indicate we're in test mode */
1562 e1000_reset(adapter);
1564 if (e1000_reg_test(adapter, &data[0]))
1565 eth_test->flags |= ETH_TEST_FL_FAILED;
1567 e1000_reset(adapter);
1568 if (e1000_eeprom_test(adapter, &data[1]))
1569 eth_test->flags |= ETH_TEST_FL_FAILED;
1571 e1000_reset(adapter);
1572 if (e1000_intr_test(adapter, &data[2]))
1573 eth_test->flags |= ETH_TEST_FL_FAILED;
1575 e1000_reset(adapter);
1576 /* make sure the phy is powered up */
1577 e1000_power_up_phy(adapter);
1578 if (e1000_loopback_test(adapter, &data[3]))
1579 eth_test->flags |= ETH_TEST_FL_FAILED;
1581 /* restore speed, duplex, autoneg settings */
1582 hw->autoneg_advertised = autoneg_advertised;
1583 hw->forced_speed_duplex = forced_speed_duplex;
1584 hw->autoneg = autoneg;
1586 e1000_reset(adapter);
1587 clear_bit(__E1000_TESTING, &adapter->flags);
1591 e_info(hw, "online testing starting\n");
1593 if (e1000_link_test(adapter, &data[4]))
1594 eth_test->flags |= ETH_TEST_FL_FAILED;
1596 /* Online tests aren't run; pass by default */
1602 clear_bit(__E1000_TESTING, &adapter->flags);
1604 msleep_interruptible(4 * 1000);
1607 static int e1000_wol_exclusion(struct e1000_adapter *adapter,
1608 struct ethtool_wolinfo *wol)
1610 struct e1000_hw *hw = &adapter->hw;
1611 int retval = 1; /* fail by default */
1613 switch (hw->device_id) {
1614 case E1000_DEV_ID_82542:
1615 case E1000_DEV_ID_82543GC_FIBER:
1616 case E1000_DEV_ID_82543GC_COPPER:
1617 case E1000_DEV_ID_82544EI_FIBER:
1618 case E1000_DEV_ID_82546EB_QUAD_COPPER:
1619 case E1000_DEV_ID_82545EM_FIBER:
1620 case E1000_DEV_ID_82545EM_COPPER:
1621 case E1000_DEV_ID_82546GB_QUAD_COPPER:
1622 case E1000_DEV_ID_82546GB_PCIE:
1623 /* these don't support WoL at all */
1626 case E1000_DEV_ID_82546EB_FIBER:
1627 case E1000_DEV_ID_82546GB_FIBER:
1628 /* Wake events not supported on port B */
1629 if (er32(STATUS) & E1000_STATUS_FUNC_1) {
1633 /* return success for non excluded adapter ports */
1636 case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
1637 /* quad port adapters only support WoL on port A */
1638 if (!adapter->quad_port_a) {
1642 /* return success for non excluded adapter ports */
1646 /* dual port cards only support WoL on port A from now on
1647 * unless it was enabled in the eeprom for port B
1648 * so exclude FUNC_1 ports from having WoL enabled
1650 if (er32(STATUS) & E1000_STATUS_FUNC_1 &&
1651 !adapter->eeprom_wol) {
1662 static void e1000_get_wol(struct net_device *netdev,
1663 struct ethtool_wolinfo *wol)
1665 struct e1000_adapter *adapter = netdev_priv(netdev);
1666 struct e1000_hw *hw = &adapter->hw;
1668 wol->supported = WAKE_UCAST | WAKE_MCAST |
1669 WAKE_BCAST | WAKE_MAGIC;
1672 /* this function will set ->supported = 0 and return 1 if wol is not
1673 * supported by this hardware
1675 if (e1000_wol_exclusion(adapter, wol) ||
1676 !device_can_wakeup(&adapter->pdev->dev))
1679 /* apply any specific unsupported masks here */
1680 switch (hw->device_id) {
1681 case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
1682 /* KSP3 does not support UCAST wake-ups */
1683 wol->supported &= ~WAKE_UCAST;
1685 if (adapter->wol & E1000_WUFC_EX)
1686 e_err(drv, "Interface does not support directed "
1687 "(unicast) frame wake-up packets\n");
1693 if (adapter->wol & E1000_WUFC_EX)
1694 wol->wolopts |= WAKE_UCAST;
1695 if (adapter->wol & E1000_WUFC_MC)
1696 wol->wolopts |= WAKE_MCAST;
1697 if (adapter->wol & E1000_WUFC_BC)
1698 wol->wolopts |= WAKE_BCAST;
1699 if (adapter->wol & E1000_WUFC_MAG)
1700 wol->wolopts |= WAKE_MAGIC;
1703 static int e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1705 struct e1000_adapter *adapter = netdev_priv(netdev);
1706 struct e1000_hw *hw = &adapter->hw;
1708 if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
1711 if (e1000_wol_exclusion(adapter, wol) ||
1712 !device_can_wakeup(&adapter->pdev->dev))
1713 return wol->wolopts ? -EOPNOTSUPP : 0;
1715 switch (hw->device_id) {
1716 case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
1717 if (wol->wolopts & WAKE_UCAST) {
1718 e_err(drv, "Interface does not support directed "
1719 "(unicast) frame wake-up packets\n");
1727 /* these settings will always override what we currently have */
1730 if (wol->wolopts & WAKE_UCAST)
1731 adapter->wol |= E1000_WUFC_EX;
1732 if (wol->wolopts & WAKE_MCAST)
1733 adapter->wol |= E1000_WUFC_MC;
1734 if (wol->wolopts & WAKE_BCAST)
1735 adapter->wol |= E1000_WUFC_BC;
1736 if (wol->wolopts & WAKE_MAGIC)
1737 adapter->wol |= E1000_WUFC_MAG;
1739 device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
1744 static int e1000_set_phys_id(struct net_device *netdev,
1745 enum ethtool_phys_id_state state)
1747 struct e1000_adapter *adapter = netdev_priv(netdev);
1748 struct e1000_hw *hw = &adapter->hw;
1751 case ETHTOOL_ID_ACTIVE:
1752 e1000_setup_led(hw);
1759 case ETHTOOL_ID_OFF:
1763 case ETHTOOL_ID_INACTIVE:
1764 e1000_cleanup_led(hw);
1770 static int e1000_get_coalesce(struct net_device *netdev,
1771 struct ethtool_coalesce *ec)
1773 struct e1000_adapter *adapter = netdev_priv(netdev);
1775 if (adapter->hw.mac_type < e1000_82545)
1778 if (adapter->itr_setting <= 4)
1779 ec->rx_coalesce_usecs = adapter->itr_setting;
1781 ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting;
1786 static int e1000_set_coalesce(struct net_device *netdev,
1787 struct ethtool_coalesce *ec)
1789 struct e1000_adapter *adapter = netdev_priv(netdev);
1790 struct e1000_hw *hw = &adapter->hw;
1792 if (hw->mac_type < e1000_82545)
1795 if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) ||
1796 ((ec->rx_coalesce_usecs > 4) &&
1797 (ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) ||
1798 (ec->rx_coalesce_usecs == 2))
1801 if (ec->rx_coalesce_usecs == 4) {
1802 adapter->itr = adapter->itr_setting = 4;
1803 } else if (ec->rx_coalesce_usecs <= 3) {
1804 adapter->itr = 20000;
1805 adapter->itr_setting = ec->rx_coalesce_usecs;
1807 adapter->itr = (1000000 / ec->rx_coalesce_usecs);
1808 adapter->itr_setting = adapter->itr & ~3;
1811 if (adapter->itr_setting != 0)
1812 ew32(ITR, 1000000000 / (adapter->itr * 256));
1819 static int e1000_nway_reset(struct net_device *netdev)
1821 struct e1000_adapter *adapter = netdev_priv(netdev);
1822 if (netif_running(netdev))
1823 e1000_reinit_locked(adapter);
1827 static void e1000_get_ethtool_stats(struct net_device *netdev,
1828 struct ethtool_stats *stats, u64 *data)
1830 struct e1000_adapter *adapter = netdev_priv(netdev);
1834 e1000_update_stats(adapter);
1835 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1836 switch (e1000_gstrings_stats[i].type) {
1838 p = (char *) netdev +
1839 e1000_gstrings_stats[i].stat_offset;
1842 p = (char *) adapter +
1843 e1000_gstrings_stats[i].stat_offset;
1847 data[i] = (e1000_gstrings_stats[i].sizeof_stat ==
1848 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1850 /* BUG_ON(i != E1000_STATS_LEN); */
1853 static void e1000_get_strings(struct net_device *netdev, u32 stringset,
1859 switch (stringset) {
1861 memcpy(data, *e1000_gstrings_test,
1862 sizeof(e1000_gstrings_test));
1865 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1866 memcpy(p, e1000_gstrings_stats[i].stat_string,
1868 p += ETH_GSTRING_LEN;
1870 /* BUG_ON(p - data != E1000_STATS_LEN * ETH_GSTRING_LEN); */
1875 static const struct ethtool_ops e1000_ethtool_ops = {
1876 .get_settings = e1000_get_settings,
1877 .set_settings = e1000_set_settings,
1878 .get_drvinfo = e1000_get_drvinfo,
1879 .get_regs_len = e1000_get_regs_len,
1880 .get_regs = e1000_get_regs,
1881 .get_wol = e1000_get_wol,
1882 .set_wol = e1000_set_wol,
1883 .get_msglevel = e1000_get_msglevel,
1884 .set_msglevel = e1000_set_msglevel,
1885 .nway_reset = e1000_nway_reset,
1886 .get_link = e1000_get_link,
1887 .get_eeprom_len = e1000_get_eeprom_len,
1888 .get_eeprom = e1000_get_eeprom,
1889 .set_eeprom = e1000_set_eeprom,
1890 .get_ringparam = e1000_get_ringparam,
1891 .set_ringparam = e1000_set_ringparam,
1892 .get_pauseparam = e1000_get_pauseparam,
1893 .set_pauseparam = e1000_set_pauseparam,
1894 .self_test = e1000_diag_test,
1895 .get_strings = e1000_get_strings,
1896 .set_phys_id = e1000_set_phys_id,
1897 .get_ethtool_stats = e1000_get_ethtool_stats,
1898 .get_sset_count = e1000_get_sset_count,
1899 .get_coalesce = e1000_get_coalesce,
1900 .set_coalesce = e1000_set_coalesce,
1901 .get_ts_info = ethtool_op_get_ts_info,
1904 void e1000_set_ethtool_ops(struct net_device *netdev)
1906 netdev->ethtool_ops = &e1000_ethtool_ops;