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1/*******************************************************************************
2
3 Intel PRO/1000 Linux driver
4 Copyright(c) 1999 - 2012 Intel Corporation.
5
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.
9
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
13 more details.
14
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.
18
19 The full GNU General Public License is included in this distribution in
20 the file called "COPYING".
21
22 Contact Information:
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
26
27*******************************************************************************/
28
29/* ethtool support for e1000 */
30
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>
37#include <linux/vmalloc.h>
38
39#include "e1000.h"
40
41enum {NETDEV_STATS, E1000_STATS};
42
43struct e1000_stats {
44 char stat_string[ETH_GSTRING_LEN];
45 int type;
46 int sizeof_stat;
47 int stat_offset;
48};
49
50#define E1000_STAT(str, m) { \
51 .stat_string = str, \
52 .type = E1000_STATS, \
53 .sizeof_stat = sizeof(((struct e1000_adapter *)0)->m), \
54 .stat_offset = offsetof(struct e1000_adapter, m) }
55#define E1000_NETDEV_STAT(str, m) { \
56 .stat_string = str, \
57 .type = NETDEV_STATS, \
58 .sizeof_stat = sizeof(((struct rtnl_link_stats64 *)0)->m), \
59 .stat_offset = offsetof(struct rtnl_link_stats64, m) }
60
61static const struct e1000_stats e1000_gstrings_stats[] = {
62 E1000_STAT("rx_packets", stats.gprc),
63 E1000_STAT("tx_packets", stats.gptc),
64 E1000_STAT("rx_bytes", stats.gorc),
65 E1000_STAT("tx_bytes", stats.gotc),
66 E1000_STAT("rx_broadcast", stats.bprc),
67 E1000_STAT("tx_broadcast", stats.bptc),
68 E1000_STAT("rx_multicast", stats.mprc),
69 E1000_STAT("tx_multicast", stats.mptc),
70 E1000_NETDEV_STAT("rx_errors", rx_errors),
71 E1000_NETDEV_STAT("tx_errors", tx_errors),
72 E1000_NETDEV_STAT("tx_dropped", tx_dropped),
73 E1000_STAT("multicast", stats.mprc),
74 E1000_STAT("collisions", stats.colc),
75 E1000_NETDEV_STAT("rx_length_errors", rx_length_errors),
76 E1000_NETDEV_STAT("rx_over_errors", rx_over_errors),
77 E1000_STAT("rx_crc_errors", stats.crcerrs),
78 E1000_NETDEV_STAT("rx_frame_errors", rx_frame_errors),
79 E1000_STAT("rx_no_buffer_count", stats.rnbc),
80 E1000_STAT("rx_missed_errors", stats.mpc),
81 E1000_STAT("tx_aborted_errors", stats.ecol),
82 E1000_STAT("tx_carrier_errors", stats.tncrs),
83 E1000_NETDEV_STAT("tx_fifo_errors", tx_fifo_errors),
84 E1000_NETDEV_STAT("tx_heartbeat_errors", tx_heartbeat_errors),
85 E1000_STAT("tx_window_errors", stats.latecol),
86 E1000_STAT("tx_abort_late_coll", stats.latecol),
87 E1000_STAT("tx_deferred_ok", stats.dc),
88 E1000_STAT("tx_single_coll_ok", stats.scc),
89 E1000_STAT("tx_multi_coll_ok", stats.mcc),
90 E1000_STAT("tx_timeout_count", tx_timeout_count),
91 E1000_STAT("tx_restart_queue", restart_queue),
92 E1000_STAT("rx_long_length_errors", stats.roc),
93 E1000_STAT("rx_short_length_errors", stats.ruc),
94 E1000_STAT("rx_align_errors", stats.algnerrc),
95 E1000_STAT("tx_tcp_seg_good", stats.tsctc),
96 E1000_STAT("tx_tcp_seg_failed", stats.tsctfc),
97 E1000_STAT("rx_flow_control_xon", stats.xonrxc),
98 E1000_STAT("rx_flow_control_xoff", stats.xoffrxc),
99 E1000_STAT("tx_flow_control_xon", stats.xontxc),
100 E1000_STAT("tx_flow_control_xoff", stats.xofftxc),
101 E1000_STAT("rx_long_byte_count", stats.gorc),
102 E1000_STAT("rx_csum_offload_good", hw_csum_good),
103 E1000_STAT("rx_csum_offload_errors", hw_csum_err),
104 E1000_STAT("rx_header_split", rx_hdr_split),
105 E1000_STAT("alloc_rx_buff_failed", alloc_rx_buff_failed),
106 E1000_STAT("tx_smbus", stats.mgptc),
107 E1000_STAT("rx_smbus", stats.mgprc),
108 E1000_STAT("dropped_smbus", stats.mgpdc),
109 E1000_STAT("rx_dma_failed", rx_dma_failed),
110 E1000_STAT("tx_dma_failed", tx_dma_failed),
111};
112
113#define E1000_GLOBAL_STATS_LEN ARRAY_SIZE(e1000_gstrings_stats)
114#define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN)
115static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = {
116 "Register test (offline)", "Eeprom test (offline)",
117 "Interrupt test (offline)", "Loopback test (offline)",
118 "Link test (on/offline)"
119};
120#define E1000_TEST_LEN ARRAY_SIZE(e1000_gstrings_test)
121
122static int e1000_get_settings(struct net_device *netdev,
123 struct ethtool_cmd *ecmd)
124{
125 struct e1000_adapter *adapter = netdev_priv(netdev);
126 struct e1000_hw *hw = &adapter->hw;
127 u32 speed;
128
129 if (hw->phy.media_type == e1000_media_type_copper) {
130
131 ecmd->supported = (SUPPORTED_10baseT_Half |
132 SUPPORTED_10baseT_Full |
133 SUPPORTED_100baseT_Half |
134 SUPPORTED_100baseT_Full |
135 SUPPORTED_1000baseT_Full |
136 SUPPORTED_Autoneg |
137 SUPPORTED_TP);
138 if (hw->phy.type == e1000_phy_ife)
139 ecmd->supported &= ~SUPPORTED_1000baseT_Full;
140 ecmd->advertising = ADVERTISED_TP;
141
142 if (hw->mac.autoneg == 1) {
143 ecmd->advertising |= ADVERTISED_Autoneg;
144 /* the e1000 autoneg seems to match ethtool nicely */
145 ecmd->advertising |= hw->phy.autoneg_advertised;
146 }
147
148 ecmd->port = PORT_TP;
149 ecmd->phy_address = hw->phy.addr;
150 ecmd->transceiver = XCVR_INTERNAL;
151
152 } else {
153 ecmd->supported = (SUPPORTED_1000baseT_Full |
154 SUPPORTED_FIBRE |
155 SUPPORTED_Autoneg);
156
157 ecmd->advertising = (ADVERTISED_1000baseT_Full |
158 ADVERTISED_FIBRE |
159 ADVERTISED_Autoneg);
160
161 ecmd->port = PORT_FIBRE;
162 ecmd->transceiver = XCVR_EXTERNAL;
163 }
164
165 speed = -1;
166 ecmd->duplex = -1;
167
168 if (netif_running(netdev)) {
169 if (netif_carrier_ok(netdev)) {
170 speed = adapter->link_speed;
171 ecmd->duplex = adapter->link_duplex - 1;
172 }
173 } else {
174 u32 status = er32(STATUS);
175 if (status & E1000_STATUS_LU) {
176 if (status & E1000_STATUS_SPEED_1000)
177 speed = SPEED_1000;
178 else if (status & E1000_STATUS_SPEED_100)
179 speed = SPEED_100;
180 else
181 speed = SPEED_10;
182
183 if (status & E1000_STATUS_FD)
184 ecmd->duplex = DUPLEX_FULL;
185 else
186 ecmd->duplex = DUPLEX_HALF;
187 }
188 }
189
190 ethtool_cmd_speed_set(ecmd, speed);
191 ecmd->autoneg = ((hw->phy.media_type == e1000_media_type_fiber) ||
192 hw->mac.autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE;
193
194 /* MDI-X => 2; MDI =>1; Invalid =>0 */
195 if ((hw->phy.media_type == e1000_media_type_copper) &&
196 netif_carrier_ok(netdev))
197 ecmd->eth_tp_mdix = hw->phy.is_mdix ? ETH_TP_MDI_X :
198 ETH_TP_MDI;
199 else
200 ecmd->eth_tp_mdix = ETH_TP_MDI_INVALID;
201
202 return 0;
203}
204
205static int e1000_set_spd_dplx(struct e1000_adapter *adapter, u32 spd, u8 dplx)
206{
207 struct e1000_mac_info *mac = &adapter->hw.mac;
208
209 mac->autoneg = 0;
210
211 /* Make sure dplx is at most 1 bit and lsb of speed is not set
212 * for the switch() below to work */
213 if ((spd & 1) || (dplx & ~1))
214 goto err_inval;
215
216 /* Fiber NICs only allow 1000 gbps Full duplex */
217 if ((adapter->hw.phy.media_type == e1000_media_type_fiber) &&
218 spd != SPEED_1000 &&
219 dplx != DUPLEX_FULL) {
220 goto err_inval;
221 }
222
223 switch (spd + dplx) {
224 case SPEED_10 + DUPLEX_HALF:
225 mac->forced_speed_duplex = ADVERTISE_10_HALF;
226 break;
227 case SPEED_10 + DUPLEX_FULL:
228 mac->forced_speed_duplex = ADVERTISE_10_FULL;
229 break;
230 case SPEED_100 + DUPLEX_HALF:
231 mac->forced_speed_duplex = ADVERTISE_100_HALF;
232 break;
233 case SPEED_100 + DUPLEX_FULL:
234 mac->forced_speed_duplex = ADVERTISE_100_FULL;
235 break;
236 case SPEED_1000 + DUPLEX_FULL:
237 mac->autoneg = 1;
238 adapter->hw.phy.autoneg_advertised = ADVERTISE_1000_FULL;
239 break;
240 case SPEED_1000 + DUPLEX_HALF: /* not supported */
241 default:
242 goto err_inval;
243 }
244 return 0;
245
246err_inval:
247 e_err("Unsupported Speed/Duplex configuration\n");
248 return -EINVAL;
249}
250
251static int e1000_set_settings(struct net_device *netdev,
252 struct ethtool_cmd *ecmd)
253{
254 struct e1000_adapter *adapter = netdev_priv(netdev);
255 struct e1000_hw *hw = &adapter->hw;
256
257 /*
258 * When SoL/IDER sessions are active, autoneg/speed/duplex
259 * cannot be changed
260 */
261 if (hw->phy.ops.check_reset_block &&
262 hw->phy.ops.check_reset_block(hw)) {
263 e_err("Cannot change link characteristics when SoL/IDER is active.\n");
264 return -EINVAL;
265 }
266
267 while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
268 usleep_range(1000, 2000);
269
270 if (ecmd->autoneg == AUTONEG_ENABLE) {
271 hw->mac.autoneg = 1;
272 if (hw->phy.media_type == e1000_media_type_fiber)
273 hw->phy.autoneg_advertised = ADVERTISED_1000baseT_Full |
274 ADVERTISED_FIBRE |
275 ADVERTISED_Autoneg;
276 else
277 hw->phy.autoneg_advertised = ecmd->advertising |
278 ADVERTISED_TP |
279 ADVERTISED_Autoneg;
280 ecmd->advertising = hw->phy.autoneg_advertised;
281 if (adapter->fc_autoneg)
282 hw->fc.requested_mode = e1000_fc_default;
283 } else {
284 u32 speed = ethtool_cmd_speed(ecmd);
285 if (e1000_set_spd_dplx(adapter, speed, ecmd->duplex)) {
286 clear_bit(__E1000_RESETTING, &adapter->state);
287 return -EINVAL;
288 }
289 }
290
291 /* reset the link */
292
293 if (netif_running(adapter->netdev)) {
294 e1000e_down(adapter);
295 e1000e_up(adapter);
296 } else {
297 e1000e_reset(adapter);
298 }
299
300 clear_bit(__E1000_RESETTING, &adapter->state);
301 return 0;
302}
303
304static void e1000_get_pauseparam(struct net_device *netdev,
305 struct ethtool_pauseparam *pause)
306{
307 struct e1000_adapter *adapter = netdev_priv(netdev);
308 struct e1000_hw *hw = &adapter->hw;
309
310 pause->autoneg =
311 (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE);
312
313 if (hw->fc.current_mode == e1000_fc_rx_pause) {
314 pause->rx_pause = 1;
315 } else if (hw->fc.current_mode == e1000_fc_tx_pause) {
316 pause->tx_pause = 1;
317 } else if (hw->fc.current_mode == e1000_fc_full) {
318 pause->rx_pause = 1;
319 pause->tx_pause = 1;
320 }
321}
322
323static int e1000_set_pauseparam(struct net_device *netdev,
324 struct ethtool_pauseparam *pause)
325{
326 struct e1000_adapter *adapter = netdev_priv(netdev);
327 struct e1000_hw *hw = &adapter->hw;
328 int retval = 0;
329
330 adapter->fc_autoneg = pause->autoneg;
331
332 while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
333 usleep_range(1000, 2000);
334
335 if (adapter->fc_autoneg == AUTONEG_ENABLE) {
336 hw->fc.requested_mode = e1000_fc_default;
337 if (netif_running(adapter->netdev)) {
338 e1000e_down(adapter);
339 e1000e_up(adapter);
340 } else {
341 e1000e_reset(adapter);
342 }
343 } else {
344 if (pause->rx_pause && pause->tx_pause)
345 hw->fc.requested_mode = e1000_fc_full;
346 else if (pause->rx_pause && !pause->tx_pause)
347 hw->fc.requested_mode = e1000_fc_rx_pause;
348 else if (!pause->rx_pause && pause->tx_pause)
349 hw->fc.requested_mode = e1000_fc_tx_pause;
350 else if (!pause->rx_pause && !pause->tx_pause)
351 hw->fc.requested_mode = e1000_fc_none;
352
353 hw->fc.current_mode = hw->fc.requested_mode;
354
355 if (hw->phy.media_type == e1000_media_type_fiber) {
356 retval = hw->mac.ops.setup_link(hw);
357 /* implicit goto out */
358 } else {
359 retval = e1000e_force_mac_fc(hw);
360 if (retval)
361 goto out;
362 e1000e_set_fc_watermarks(hw);
363 }
364 }
365
366out:
367 clear_bit(__E1000_RESETTING, &adapter->state);
368 return retval;
369}
370
371static u32 e1000_get_msglevel(struct net_device *netdev)
372{
373 struct e1000_adapter *adapter = netdev_priv(netdev);
374 return adapter->msg_enable;
375}
376
377static void e1000_set_msglevel(struct net_device *netdev, u32 data)
378{
379 struct e1000_adapter *adapter = netdev_priv(netdev);
380 adapter->msg_enable = data;
381}
382
383static int e1000_get_regs_len(struct net_device *netdev)
384{
385#define E1000_REGS_LEN 32 /* overestimate */
386 return E1000_REGS_LEN * sizeof(u32);
387}
388
389static void e1000_get_regs(struct net_device *netdev,
390 struct ethtool_regs *regs, void *p)
391{
392 struct e1000_adapter *adapter = netdev_priv(netdev);
393 struct e1000_hw *hw = &adapter->hw;
394 u32 *regs_buff = p;
395 u16 phy_data;
396
397 memset(p, 0, E1000_REGS_LEN * sizeof(u32));
398
399 regs->version = (1 << 24) | (adapter->pdev->revision << 16) |
400 adapter->pdev->device;
401
402 regs_buff[0] = er32(CTRL);
403 regs_buff[1] = er32(STATUS);
404
405 regs_buff[2] = er32(RCTL);
406 regs_buff[3] = er32(RDLEN(0));
407 regs_buff[4] = er32(RDH(0));
408 regs_buff[5] = er32(RDT(0));
409 regs_buff[6] = er32(RDTR);
410
411 regs_buff[7] = er32(TCTL);
412 regs_buff[8] = er32(TDLEN(0));
413 regs_buff[9] = er32(TDH(0));
414 regs_buff[10] = er32(TDT(0));
415 regs_buff[11] = er32(TIDV);
416
417 regs_buff[12] = adapter->hw.phy.type; /* PHY type (IGP=1, M88=0) */
418
419 /* ethtool doesn't use anything past this point, so all this
420 * code is likely legacy junk for apps that may or may not
421 * exist */
422 if (hw->phy.type == e1000_phy_m88) {
423 e1e_rphy(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
424 regs_buff[13] = (u32)phy_data; /* cable length */
425 regs_buff[14] = 0; /* Dummy (to align w/ IGP phy reg dump) */
426 regs_buff[15] = 0; /* Dummy (to align w/ IGP phy reg dump) */
427 regs_buff[16] = 0; /* Dummy (to align w/ IGP phy reg dump) */
428 e1e_rphy(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
429 regs_buff[17] = (u32)phy_data; /* extended 10bt distance */
430 regs_buff[18] = regs_buff[13]; /* cable polarity */
431 regs_buff[19] = 0; /* Dummy (to align w/ IGP phy reg dump) */
432 regs_buff[20] = regs_buff[17]; /* polarity correction */
433 /* phy receive errors */
434 regs_buff[22] = adapter->phy_stats.receive_errors;
435 regs_buff[23] = regs_buff[13]; /* mdix mode */
436 }
437 regs_buff[21] = 0; /* was idle_errors */
438 e1e_rphy(hw, PHY_1000T_STATUS, &phy_data);
439 regs_buff[24] = (u32)phy_data; /* phy local receiver status */
440 regs_buff[25] = regs_buff[24]; /* phy remote receiver status */
441}
442
443static int e1000_get_eeprom_len(struct net_device *netdev)
444{
445 struct e1000_adapter *adapter = netdev_priv(netdev);
446 return adapter->hw.nvm.word_size * 2;
447}
448
449static int e1000_get_eeprom(struct net_device *netdev,
450 struct ethtool_eeprom *eeprom, u8 *bytes)
451{
452 struct e1000_adapter *adapter = netdev_priv(netdev);
453 struct e1000_hw *hw = &adapter->hw;
454 u16 *eeprom_buff;
455 int first_word;
456 int last_word;
457 int ret_val = 0;
458 u16 i;
459
460 if (eeprom->len == 0)
461 return -EINVAL;
462
463 eeprom->magic = adapter->pdev->vendor | (adapter->pdev->device << 16);
464
465 first_word = eeprom->offset >> 1;
466 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
467
468 eeprom_buff = kmalloc(sizeof(u16) *
469 (last_word - first_word + 1), GFP_KERNEL);
470 if (!eeprom_buff)
471 return -ENOMEM;
472
473 if (hw->nvm.type == e1000_nvm_eeprom_spi) {
474 ret_val = e1000_read_nvm(hw, first_word,
475 last_word - first_word + 1,
476 eeprom_buff);
477 } else {
478 for (i = 0; i < last_word - first_word + 1; i++) {
479 ret_val = e1000_read_nvm(hw, first_word + i, 1,
480 &eeprom_buff[i]);
481 if (ret_val)
482 break;
483 }
484 }
485
486 if (ret_val) {
487 /* a read error occurred, throw away the result */
488 memset(eeprom_buff, 0xff, sizeof(u16) *
489 (last_word - first_word + 1));
490 } else {
491 /* Device's eeprom is always little-endian, word addressable */
492 for (i = 0; i < last_word - first_word + 1; i++)
493 le16_to_cpus(&eeprom_buff[i]);
494 }
495
496 memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
497 kfree(eeprom_buff);
498
499 return ret_val;
500}
501
502static int e1000_set_eeprom(struct net_device *netdev,
503 struct ethtool_eeprom *eeprom, u8 *bytes)
504{
505 struct e1000_adapter *adapter = netdev_priv(netdev);
506 struct e1000_hw *hw = &adapter->hw;
507 u16 *eeprom_buff;
508 void *ptr;
509 int max_len;
510 int first_word;
511 int last_word;
512 int ret_val = 0;
513 u16 i;
514
515 if (eeprom->len == 0)
516 return -EOPNOTSUPP;
517
518 if (eeprom->magic != (adapter->pdev->vendor | (adapter->pdev->device << 16)))
519 return -EFAULT;
520
521 if (adapter->flags & FLAG_READ_ONLY_NVM)
522 return -EINVAL;
523
524 max_len = hw->nvm.word_size * 2;
525
526 first_word = eeprom->offset >> 1;
527 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
528 eeprom_buff = kmalloc(max_len, GFP_KERNEL);
529 if (!eeprom_buff)
530 return -ENOMEM;
531
532 ptr = (void *)eeprom_buff;
533
534 if (eeprom->offset & 1) {
535 /* need read/modify/write of first changed EEPROM word */
536 /* only the second byte of the word is being modified */
537 ret_val = e1000_read_nvm(hw, first_word, 1, &eeprom_buff[0]);
538 ptr++;
539 }
540 if (((eeprom->offset + eeprom->len) & 1) && (!ret_val))
541 /* need read/modify/write of last changed EEPROM word */
542 /* only the first byte of the word is being modified */
543 ret_val = e1000_read_nvm(hw, last_word, 1,
544 &eeprom_buff[last_word - first_word]);
545
546 if (ret_val)
547 goto out;
548
549 /* Device's eeprom is always little-endian, word addressable */
550 for (i = 0; i < last_word - first_word + 1; i++)
551 le16_to_cpus(&eeprom_buff[i]);
552
553 memcpy(ptr, bytes, eeprom->len);
554
555 for (i = 0; i < last_word - first_word + 1; i++)
556 cpu_to_le16s(&eeprom_buff[i]);
557
558 ret_val = e1000_write_nvm(hw, first_word,
559 last_word - first_word + 1, eeprom_buff);
560
561 if (ret_val)
562 goto out;
563
564 /*
565 * Update the checksum over the first part of the EEPROM if needed
566 * and flush shadow RAM for applicable controllers
567 */
568 if ((first_word <= NVM_CHECKSUM_REG) ||
569 (hw->mac.type == e1000_82583) ||
570 (hw->mac.type == e1000_82574) ||
571 (hw->mac.type == e1000_82573))
572 ret_val = e1000e_update_nvm_checksum(hw);
573
574out:
575 kfree(eeprom_buff);
576 return ret_val;
577}
578
579static void e1000_get_drvinfo(struct net_device *netdev,
580 struct ethtool_drvinfo *drvinfo)
581{
582 struct e1000_adapter *adapter = netdev_priv(netdev);
583
584 strlcpy(drvinfo->driver, e1000e_driver_name,
585 sizeof(drvinfo->driver));
586 strlcpy(drvinfo->version, e1000e_driver_version,
587 sizeof(drvinfo->version));
588
589 /*
590 * EEPROM image version # is reported as firmware version # for
591 * PCI-E controllers
592 */
593 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
594 "%d.%d-%d",
595 (adapter->eeprom_vers & 0xF000) >> 12,
596 (adapter->eeprom_vers & 0x0FF0) >> 4,
597 (adapter->eeprom_vers & 0x000F));
598
599 strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
600 sizeof(drvinfo->bus_info));
601 drvinfo->regdump_len = e1000_get_regs_len(netdev);
602 drvinfo->eedump_len = e1000_get_eeprom_len(netdev);
603}
604
605static void e1000_get_ringparam(struct net_device *netdev,
606 struct ethtool_ringparam *ring)
607{
608 struct e1000_adapter *adapter = netdev_priv(netdev);
609
610 ring->rx_max_pending = E1000_MAX_RXD;
611 ring->tx_max_pending = E1000_MAX_TXD;
612 ring->rx_pending = adapter->rx_ring_count;
613 ring->tx_pending = adapter->tx_ring_count;
614}
615
616static int e1000_set_ringparam(struct net_device *netdev,
617 struct ethtool_ringparam *ring)
618{
619 struct e1000_adapter *adapter = netdev_priv(netdev);
620 struct e1000_ring *temp_tx = NULL, *temp_rx = NULL;
621 int err = 0, size = sizeof(struct e1000_ring);
622 bool set_tx = false, set_rx = false;
623 u16 new_rx_count, new_tx_count;
624
625 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
626 return -EINVAL;
627
628 new_rx_count = clamp_t(u32, ring->rx_pending, E1000_MIN_RXD,
629 E1000_MAX_RXD);
630 new_rx_count = ALIGN(new_rx_count, REQ_RX_DESCRIPTOR_MULTIPLE);
631
632 new_tx_count = clamp_t(u32, ring->tx_pending, E1000_MIN_TXD,
633 E1000_MAX_TXD);
634 new_tx_count = ALIGN(new_tx_count, REQ_TX_DESCRIPTOR_MULTIPLE);
635
636 if ((new_tx_count == adapter->tx_ring_count) &&
637 (new_rx_count == adapter->rx_ring_count))
638 /* nothing to do */
639 return 0;
640
641 while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
642 usleep_range(1000, 2000);
643
644 if (!netif_running(adapter->netdev)) {
645 /* Set counts now and allocate resources during open() */
646 adapter->tx_ring->count = new_tx_count;
647 adapter->rx_ring->count = new_rx_count;
648 adapter->tx_ring_count = new_tx_count;
649 adapter->rx_ring_count = new_rx_count;
650 goto clear_reset;
651 }
652
653 set_tx = (new_tx_count != adapter->tx_ring_count);
654 set_rx = (new_rx_count != adapter->rx_ring_count);
655
656 /* Allocate temporary storage for ring updates */
657 if (set_tx) {
658 temp_tx = vmalloc(size);
659 if (!temp_tx) {
660 err = -ENOMEM;
661 goto free_temp;
662 }
663 }
664 if (set_rx) {
665 temp_rx = vmalloc(size);
666 if (!temp_rx) {
667 err = -ENOMEM;
668 goto free_temp;
669 }
670 }
671
672 e1000e_down(adapter);
673
674 /*
675 * We can't just free everything and then setup again, because the
676 * ISRs in MSI-X mode get passed pointers to the Tx and Rx ring
677 * structs. First, attempt to allocate new resources...
678 */
679 if (set_tx) {
680 memcpy(temp_tx, adapter->tx_ring, size);
681 temp_tx->count = new_tx_count;
682 err = e1000e_setup_tx_resources(temp_tx);
683 if (err)
684 goto err_setup;
685 }
686 if (set_rx) {
687 memcpy(temp_rx, adapter->rx_ring, size);
688 temp_rx->count = new_rx_count;
689 err = e1000e_setup_rx_resources(temp_rx);
690 if (err)
691 goto err_setup_rx;
692 }
693
694 /* ...then free the old resources and copy back any new ring data */
695 if (set_tx) {
696 e1000e_free_tx_resources(adapter->tx_ring);
697 memcpy(adapter->tx_ring, temp_tx, size);
698 adapter->tx_ring_count = new_tx_count;
699 }
700 if (set_rx) {
701 e1000e_free_rx_resources(adapter->rx_ring);
702 memcpy(adapter->rx_ring, temp_rx, size);
703 adapter->rx_ring_count = new_rx_count;
704 }
705
706err_setup_rx:
707 if (err && set_tx)
708 e1000e_free_tx_resources(temp_tx);
709err_setup:
710 e1000e_up(adapter);
711free_temp:
712 vfree(temp_tx);
713 vfree(temp_rx);
714clear_reset:
715 clear_bit(__E1000_RESETTING, &adapter->state);
716 return err;
717}
718
719static bool reg_pattern_test(struct e1000_adapter *adapter, u64 *data,
720 int reg, int offset, u32 mask, u32 write)
721{
722 u32 pat, val;
723 static const u32 test[] = {
724 0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF};
725 for (pat = 0; pat < ARRAY_SIZE(test); pat++) {
726 E1000_WRITE_REG_ARRAY(&adapter->hw, reg, offset,
727 (test[pat] & write));
728 val = E1000_READ_REG_ARRAY(&adapter->hw, reg, offset);
729 if (val != (test[pat] & write & mask)) {
730 e_err("pattern test reg %04X failed: got 0x%08X expected 0x%08X\n",
731 reg + offset, val, (test[pat] & write & mask));
732 *data = reg;
733 return 1;
734 }
735 }
736 return 0;
737}
738
739static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data,
740 int reg, u32 mask, u32 write)
741{
742 u32 val;
743 __ew32(&adapter->hw, reg, write & mask);
744 val = __er32(&adapter->hw, reg);
745 if ((write & mask) != (val & mask)) {
746 e_err("set/check reg %04X test failed: got 0x%08X expected 0x%08X\n",
747 reg, (val & mask), (write & mask));
748 *data = reg;
749 return 1;
750 }
751 return 0;
752}
753#define REG_PATTERN_TEST_ARRAY(reg, offset, mask, write) \
754 do { \
755 if (reg_pattern_test(adapter, data, reg, offset, mask, write)) \
756 return 1; \
757 } while (0)
758#define REG_PATTERN_TEST(reg, mask, write) \
759 REG_PATTERN_TEST_ARRAY(reg, 0, mask, write)
760
761#define REG_SET_AND_CHECK(reg, mask, write) \
762 do { \
763 if (reg_set_and_check(adapter, data, reg, mask, write)) \
764 return 1; \
765 } while (0)
766
767static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data)
768{
769 struct e1000_hw *hw = &adapter->hw;
770 struct e1000_mac_info *mac = &adapter->hw.mac;
771 u32 value;
772 u32 before;
773 u32 after;
774 u32 i;
775 u32 toggle;
776 u32 mask;
777 u32 wlock_mac = 0;
778
779 /*
780 * The status register is Read Only, so a write should fail.
781 * Some bits that get toggled are ignored.
782 */
783 switch (mac->type) {
784 /* there are several bits on newer hardware that are r/w */
785 case e1000_82571:
786 case e1000_82572:
787 case e1000_80003es2lan:
788 toggle = 0x7FFFF3FF;
789 break;
790 default:
791 toggle = 0x7FFFF033;
792 break;
793 }
794
795 before = er32(STATUS);
796 value = (er32(STATUS) & toggle);
797 ew32(STATUS, toggle);
798 after = er32(STATUS) & toggle;
799 if (value != after) {
800 e_err("failed STATUS register test got: 0x%08X expected: 0x%08X\n",
801 after, value);
802 *data = 1;
803 return 1;
804 }
805 /* restore previous status */
806 ew32(STATUS, before);
807
808 if (!(adapter->flags & FLAG_IS_ICH)) {
809 REG_PATTERN_TEST(E1000_FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
810 REG_PATTERN_TEST(E1000_FCAH, 0x0000FFFF, 0xFFFFFFFF);
811 REG_PATTERN_TEST(E1000_FCT, 0x0000FFFF, 0xFFFFFFFF);
812 REG_PATTERN_TEST(E1000_VET, 0x0000FFFF, 0xFFFFFFFF);
813 }
814
815 REG_PATTERN_TEST(E1000_RDTR, 0x0000FFFF, 0xFFFFFFFF);
816 REG_PATTERN_TEST(E1000_RDBAH(0), 0xFFFFFFFF, 0xFFFFFFFF);
817 REG_PATTERN_TEST(E1000_RDLEN(0), 0x000FFF80, 0x000FFFFF);
818 REG_PATTERN_TEST(E1000_RDH(0), 0x0000FFFF, 0x0000FFFF);
819 REG_PATTERN_TEST(E1000_RDT(0), 0x0000FFFF, 0x0000FFFF);
820 REG_PATTERN_TEST(E1000_FCRTH, 0x0000FFF8, 0x0000FFF8);
821 REG_PATTERN_TEST(E1000_FCTTV, 0x0000FFFF, 0x0000FFFF);
822 REG_PATTERN_TEST(E1000_TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
823 REG_PATTERN_TEST(E1000_TDBAH(0), 0xFFFFFFFF, 0xFFFFFFFF);
824 REG_PATTERN_TEST(E1000_TDLEN(0), 0x000FFF80, 0x000FFFFF);
825
826 REG_SET_AND_CHECK(E1000_RCTL, 0xFFFFFFFF, 0x00000000);
827
828 before = ((adapter->flags & FLAG_IS_ICH) ? 0x06C3B33E : 0x06DFB3FE);
829 REG_SET_AND_CHECK(E1000_RCTL, before, 0x003FFFFB);
830 REG_SET_AND_CHECK(E1000_TCTL, 0xFFFFFFFF, 0x00000000);
831
832 REG_SET_AND_CHECK(E1000_RCTL, before, 0xFFFFFFFF);
833 REG_PATTERN_TEST(E1000_RDBAL(0), 0xFFFFFFF0, 0xFFFFFFFF);
834 if (!(adapter->flags & FLAG_IS_ICH))
835 REG_PATTERN_TEST(E1000_TXCW, 0xC000FFFF, 0x0000FFFF);
836 REG_PATTERN_TEST(E1000_TDBAL(0), 0xFFFFFFF0, 0xFFFFFFFF);
837 REG_PATTERN_TEST(E1000_TIDV, 0x0000FFFF, 0x0000FFFF);
838 mask = 0x8003FFFF;
839 switch (mac->type) {
840 case e1000_ich10lan:
841 case e1000_pchlan:
842 case e1000_pch2lan:
843 case e1000_pch_lpt:
844 mask |= (1 << 18);
845 break;
846 default:
847 break;
848 }
849
850 if (mac->type == e1000_pch_lpt)
851 wlock_mac = (er32(FWSM) & E1000_FWSM_WLOCK_MAC_MASK) >>
852 E1000_FWSM_WLOCK_MAC_SHIFT;
853
854 for (i = 0; i < mac->rar_entry_count; i++) {
855 /* Cannot test write-protected SHRAL[n] registers */
856 if ((wlock_mac == 1) || (wlock_mac && (i > wlock_mac)))
857 continue;
858
859 REG_PATTERN_TEST_ARRAY(E1000_RA, ((i << 1) + 1),
860 mask, 0xFFFFFFFF);
861 }
862
863 for (i = 0; i < mac->mta_reg_count; i++)
864 REG_PATTERN_TEST_ARRAY(E1000_MTA, i, 0xFFFFFFFF, 0xFFFFFFFF);
865
866 *data = 0;
867
868 return 0;
869}
870
871static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data)
872{
873 u16 temp;
874 u16 checksum = 0;
875 u16 i;
876
877 *data = 0;
878 /* Read and add up the contents of the EEPROM */
879 for (i = 0; i < (NVM_CHECKSUM_REG + 1); i++) {
880 if ((e1000_read_nvm(&adapter->hw, i, 1, &temp)) < 0) {
881 *data = 1;
882 return *data;
883 }
884 checksum += temp;
885 }
886
887 /* If Checksum is not Correct return error else test passed */
888 if ((checksum != (u16) NVM_SUM) && !(*data))
889 *data = 2;
890
891 return *data;
892}
893
894static irqreturn_t e1000_test_intr(int irq, void *data)
895{
896 struct net_device *netdev = (struct net_device *) data;
897 struct e1000_adapter *adapter = netdev_priv(netdev);
898 struct e1000_hw *hw = &adapter->hw;
899
900 adapter->test_icr |= er32(ICR);
901
902 return IRQ_HANDLED;
903}
904
905static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data)
906{
907 struct net_device *netdev = adapter->netdev;
908 struct e1000_hw *hw = &adapter->hw;
909 u32 mask;
910 u32 shared_int = 1;
911 u32 irq = adapter->pdev->irq;
912 int i;
913 int ret_val = 0;
914 int int_mode = E1000E_INT_MODE_LEGACY;
915
916 *data = 0;
917
918 /* NOTE: we don't test MSI/MSI-X interrupts here, yet */
919 if (adapter->int_mode == E1000E_INT_MODE_MSIX) {
920 int_mode = adapter->int_mode;
921 e1000e_reset_interrupt_capability(adapter);
922 adapter->int_mode = E1000E_INT_MODE_LEGACY;
923 e1000e_set_interrupt_capability(adapter);
924 }
925 /* Hook up test interrupt handler just for this test */
926 if (!request_irq(irq, e1000_test_intr, IRQF_PROBE_SHARED, netdev->name,
927 netdev)) {
928 shared_int = 0;
929 } else if (request_irq(irq, e1000_test_intr, IRQF_SHARED,
930 netdev->name, netdev)) {
931 *data = 1;
932 ret_val = -1;
933 goto out;
934 }
935 e_info("testing %s interrupt\n", (shared_int ? "shared" : "unshared"));
936
937 /* Disable all the interrupts */
938 ew32(IMC, 0xFFFFFFFF);
939 e1e_flush();
940 usleep_range(10000, 20000);
941
942 /* Test each interrupt */
943 for (i = 0; i < 10; i++) {
944 /* Interrupt to test */
945 mask = 1 << i;
946
947 if (adapter->flags & FLAG_IS_ICH) {
948 switch (mask) {
949 case E1000_ICR_RXSEQ:
950 continue;
951 case 0x00000100:
952 if (adapter->hw.mac.type == e1000_ich8lan ||
953 adapter->hw.mac.type == e1000_ich9lan)
954 continue;
955 break;
956 default:
957 break;
958 }
959 }
960
961 if (!shared_int) {
962 /*
963 * Disable the interrupt to be reported in
964 * the cause register and then force the same
965 * interrupt and see if one gets posted. If
966 * an interrupt was posted to the bus, the
967 * test failed.
968 */
969 adapter->test_icr = 0;
970 ew32(IMC, mask);
971 ew32(ICS, mask);
972 e1e_flush();
973 usleep_range(10000, 20000);
974
975 if (adapter->test_icr & mask) {
976 *data = 3;
977 break;
978 }
979 }
980
981 /*
982 * Enable the interrupt to be reported in
983 * the cause register and then force the same
984 * interrupt and see if one gets posted. If
985 * an interrupt was not posted to the bus, the
986 * test failed.
987 */
988 adapter->test_icr = 0;
989 ew32(IMS, mask);
990 ew32(ICS, mask);
991 e1e_flush();
992 usleep_range(10000, 20000);
993
994 if (!(adapter->test_icr & mask)) {
995 *data = 4;
996 break;
997 }
998
999 if (!shared_int) {
1000 /*
1001 * Disable the other interrupts to be reported in
1002 * the cause register and then force the other
1003 * interrupts and see if any get posted. If
1004 * an interrupt was posted to the bus, the
1005 * test failed.
1006 */
1007 adapter->test_icr = 0;
1008 ew32(IMC, ~mask & 0x00007FFF);
1009 ew32(ICS, ~mask & 0x00007FFF);
1010 e1e_flush();
1011 usleep_range(10000, 20000);
1012
1013 if (adapter->test_icr) {
1014 *data = 5;
1015 break;
1016 }
1017 }
1018 }
1019
1020 /* Disable all the interrupts */
1021 ew32(IMC, 0xFFFFFFFF);
1022 e1e_flush();
1023 usleep_range(10000, 20000);
1024
1025 /* Unhook test interrupt handler */
1026 free_irq(irq, netdev);
1027
1028out:
1029 if (int_mode == E1000E_INT_MODE_MSIX) {
1030 e1000e_reset_interrupt_capability(adapter);
1031 adapter->int_mode = int_mode;
1032 e1000e_set_interrupt_capability(adapter);
1033 }
1034
1035 return ret_val;
1036}
1037
1038static void e1000_free_desc_rings(struct e1000_adapter *adapter)
1039{
1040 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1041 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1042 struct pci_dev *pdev = adapter->pdev;
1043 int i;
1044
1045 if (tx_ring->desc && tx_ring->buffer_info) {
1046 for (i = 0; i < tx_ring->count; i++) {
1047 if (tx_ring->buffer_info[i].dma)
1048 dma_unmap_single(&pdev->dev,
1049 tx_ring->buffer_info[i].dma,
1050 tx_ring->buffer_info[i].length,
1051 DMA_TO_DEVICE);
1052 if (tx_ring->buffer_info[i].skb)
1053 dev_kfree_skb(tx_ring->buffer_info[i].skb);
1054 }
1055 }
1056
1057 if (rx_ring->desc && rx_ring->buffer_info) {
1058 for (i = 0; i < rx_ring->count; i++) {
1059 if (rx_ring->buffer_info[i].dma)
1060 dma_unmap_single(&pdev->dev,
1061 rx_ring->buffer_info[i].dma,
1062 2048, DMA_FROM_DEVICE);
1063 if (rx_ring->buffer_info[i].skb)
1064 dev_kfree_skb(rx_ring->buffer_info[i].skb);
1065 }
1066 }
1067
1068 if (tx_ring->desc) {
1069 dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc,
1070 tx_ring->dma);
1071 tx_ring->desc = NULL;
1072 }
1073 if (rx_ring->desc) {
1074 dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc,
1075 rx_ring->dma);
1076 rx_ring->desc = NULL;
1077 }
1078
1079 kfree(tx_ring->buffer_info);
1080 tx_ring->buffer_info = NULL;
1081 kfree(rx_ring->buffer_info);
1082 rx_ring->buffer_info = NULL;
1083}
1084
1085static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
1086{
1087 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1088 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1089 struct pci_dev *pdev = adapter->pdev;
1090 struct e1000_hw *hw = &adapter->hw;
1091 u32 rctl;
1092 int i;
1093 int ret_val;
1094
1095 /* Setup Tx descriptor ring and Tx buffers */
1096
1097 if (!tx_ring->count)
1098 tx_ring->count = E1000_DEFAULT_TXD;
1099
1100 tx_ring->buffer_info = kcalloc(tx_ring->count,
1101 sizeof(struct e1000_buffer),
1102 GFP_KERNEL);
1103 if (!tx_ring->buffer_info) {
1104 ret_val = 1;
1105 goto err_nomem;
1106 }
1107
1108 tx_ring->size = tx_ring->count * sizeof(struct e1000_tx_desc);
1109 tx_ring->size = ALIGN(tx_ring->size, 4096);
1110 tx_ring->desc = dma_alloc_coherent(&pdev->dev, tx_ring->size,
1111 &tx_ring->dma, GFP_KERNEL);
1112 if (!tx_ring->desc) {
1113 ret_val = 2;
1114 goto err_nomem;
1115 }
1116 tx_ring->next_to_use = 0;
1117 tx_ring->next_to_clean = 0;
1118
1119 ew32(TDBAL(0), ((u64) tx_ring->dma & 0x00000000FFFFFFFF));
1120 ew32(TDBAH(0), ((u64) tx_ring->dma >> 32));
1121 ew32(TDLEN(0), tx_ring->count * sizeof(struct e1000_tx_desc));
1122 ew32(TDH(0), 0);
1123 ew32(TDT(0), 0);
1124 ew32(TCTL, E1000_TCTL_PSP | E1000_TCTL_EN | E1000_TCTL_MULR |
1125 E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
1126 E1000_COLLISION_DISTANCE << E1000_COLD_SHIFT);
1127
1128 for (i = 0; i < tx_ring->count; i++) {
1129 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*tx_ring, i);
1130 struct sk_buff *skb;
1131 unsigned int skb_size = 1024;
1132
1133 skb = alloc_skb(skb_size, GFP_KERNEL);
1134 if (!skb) {
1135 ret_val = 3;
1136 goto err_nomem;
1137 }
1138 skb_put(skb, skb_size);
1139 tx_ring->buffer_info[i].skb = skb;
1140 tx_ring->buffer_info[i].length = skb->len;
1141 tx_ring->buffer_info[i].dma =
1142 dma_map_single(&pdev->dev, skb->data, skb->len,
1143 DMA_TO_DEVICE);
1144 if (dma_mapping_error(&pdev->dev,
1145 tx_ring->buffer_info[i].dma)) {
1146 ret_val = 4;
1147 goto err_nomem;
1148 }
1149 tx_desc->buffer_addr = cpu_to_le64(tx_ring->buffer_info[i].dma);
1150 tx_desc->lower.data = cpu_to_le32(skb->len);
1151 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
1152 E1000_TXD_CMD_IFCS |
1153 E1000_TXD_CMD_RS);
1154 tx_desc->upper.data = 0;
1155 }
1156
1157 /* Setup Rx descriptor ring and Rx buffers */
1158
1159 if (!rx_ring->count)
1160 rx_ring->count = E1000_DEFAULT_RXD;
1161
1162 rx_ring->buffer_info = kcalloc(rx_ring->count,
1163 sizeof(struct e1000_buffer),
1164 GFP_KERNEL);
1165 if (!rx_ring->buffer_info) {
1166 ret_val = 5;
1167 goto err_nomem;
1168 }
1169
1170 rx_ring->size = rx_ring->count * sizeof(union e1000_rx_desc_extended);
1171 rx_ring->desc = dma_alloc_coherent(&pdev->dev, rx_ring->size,
1172 &rx_ring->dma, GFP_KERNEL);
1173 if (!rx_ring->desc) {
1174 ret_val = 6;
1175 goto err_nomem;
1176 }
1177 rx_ring->next_to_use = 0;
1178 rx_ring->next_to_clean = 0;
1179
1180 rctl = er32(RCTL);
1181 if (!(adapter->flags2 & FLAG2_NO_DISABLE_RX))
1182 ew32(RCTL, rctl & ~E1000_RCTL_EN);
1183 ew32(RDBAL(0), ((u64) rx_ring->dma & 0xFFFFFFFF));
1184 ew32(RDBAH(0), ((u64) rx_ring->dma >> 32));
1185 ew32(RDLEN(0), rx_ring->size);
1186 ew32(RDH(0), 0);
1187 ew32(RDT(0), 0);
1188 rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
1189 E1000_RCTL_UPE | E1000_RCTL_MPE | E1000_RCTL_LPE |
1190 E1000_RCTL_SBP | E1000_RCTL_SECRC |
1191 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
1192 (adapter->hw.mac.mc_filter_type << E1000_RCTL_MO_SHIFT);
1193 ew32(RCTL, rctl);
1194
1195 for (i = 0; i < rx_ring->count; i++) {
1196 union e1000_rx_desc_extended *rx_desc;
1197 struct sk_buff *skb;
1198
1199 skb = alloc_skb(2048 + NET_IP_ALIGN, GFP_KERNEL);
1200 if (!skb) {
1201 ret_val = 7;
1202 goto err_nomem;
1203 }
1204 skb_reserve(skb, NET_IP_ALIGN);
1205 rx_ring->buffer_info[i].skb = skb;
1206 rx_ring->buffer_info[i].dma =
1207 dma_map_single(&pdev->dev, skb->data, 2048,
1208 DMA_FROM_DEVICE);
1209 if (dma_mapping_error(&pdev->dev,
1210 rx_ring->buffer_info[i].dma)) {
1211 ret_val = 8;
1212 goto err_nomem;
1213 }
1214 rx_desc = E1000_RX_DESC_EXT(*rx_ring, i);
1215 rx_desc->read.buffer_addr =
1216 cpu_to_le64(rx_ring->buffer_info[i].dma);
1217 memset(skb->data, 0x00, skb->len);
1218 }
1219
1220 return 0;
1221
1222err_nomem:
1223 e1000_free_desc_rings(adapter);
1224 return ret_val;
1225}
1226
1227static void e1000_phy_disable_receiver(struct e1000_adapter *adapter)
1228{
1229 /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1230 e1e_wphy(&adapter->hw, 29, 0x001F);
1231 e1e_wphy(&adapter->hw, 30, 0x8FFC);
1232 e1e_wphy(&adapter->hw, 29, 0x001A);
1233 e1e_wphy(&adapter->hw, 30, 0x8FF0);
1234}
1235
1236static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
1237{
1238 struct e1000_hw *hw = &adapter->hw;
1239 u32 ctrl_reg = 0;
1240 u16 phy_reg = 0;
1241 s32 ret_val = 0;
1242
1243 hw->mac.autoneg = 0;
1244
1245 if (hw->phy.type == e1000_phy_ife) {
1246 /* force 100, set loopback */
1247 e1e_wphy(hw, PHY_CONTROL, 0x6100);
1248
1249 /* Now set up the MAC to the same speed/duplex as the PHY. */
1250 ctrl_reg = er32(CTRL);
1251 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1252 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1253 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1254 E1000_CTRL_SPD_100 |/* Force Speed to 100 */
1255 E1000_CTRL_FD); /* Force Duplex to FULL */
1256
1257 ew32(CTRL, ctrl_reg);
1258 e1e_flush();
1259 udelay(500);
1260
1261 return 0;
1262 }
1263
1264 /* Specific PHY configuration for loopback */
1265 switch (hw->phy.type) {
1266 case e1000_phy_m88:
1267 /* Auto-MDI/MDIX Off */
1268 e1e_wphy(hw, M88E1000_PHY_SPEC_CTRL, 0x0808);
1269 /* reset to update Auto-MDI/MDIX */
1270 e1e_wphy(hw, PHY_CONTROL, 0x9140);
1271 /* autoneg off */
1272 e1e_wphy(hw, PHY_CONTROL, 0x8140);
1273 break;
1274 case e1000_phy_gg82563:
1275 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x1CC);
1276 break;
1277 case e1000_phy_bm:
1278 /* Set Default MAC Interface speed to 1GB */
1279 e1e_rphy(hw, PHY_REG(2, 21), &phy_reg);
1280 phy_reg &= ~0x0007;
1281 phy_reg |= 0x006;
1282 e1e_wphy(hw, PHY_REG(2, 21), phy_reg);
1283 /* Assert SW reset for above settings to take effect */
1284 e1000e_commit_phy(hw);
1285 mdelay(1);
1286 /* Force Full Duplex */
1287 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg);
1288 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x000C);
1289 /* Set Link Up (in force link) */
1290 e1e_rphy(hw, PHY_REG(776, 16), &phy_reg);
1291 e1e_wphy(hw, PHY_REG(776, 16), phy_reg | 0x0040);
1292 /* Force Link */
1293 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg);
1294 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x0040);
1295 /* Set Early Link Enable */
1296 e1e_rphy(hw, PHY_REG(769, 20), &phy_reg);
1297 e1e_wphy(hw, PHY_REG(769, 20), phy_reg | 0x0400);
1298 break;
1299 case e1000_phy_82577:
1300 case e1000_phy_82578:
1301 /* Workaround: K1 must be disabled for stable 1Gbps operation */
1302 ret_val = hw->phy.ops.acquire(hw);
1303 if (ret_val) {
1304 e_err("Cannot setup 1Gbps loopback.\n");
1305 return ret_val;
1306 }
1307 e1000_configure_k1_ich8lan(hw, false);
1308 hw->phy.ops.release(hw);
1309 break;
1310 case e1000_phy_82579:
1311 /* Disable PHY energy detect power down */
1312 e1e_rphy(hw, PHY_REG(0, 21), &phy_reg);
1313 e1e_wphy(hw, PHY_REG(0, 21), phy_reg & ~(1 << 3));
1314 /* Disable full chip energy detect */
1315 e1e_rphy(hw, PHY_REG(776, 18), &phy_reg);
1316 e1e_wphy(hw, PHY_REG(776, 18), phy_reg | 1);
1317 /* Enable loopback on the PHY */
1318#define I82577_PHY_LBK_CTRL 19
1319 e1e_wphy(hw, I82577_PHY_LBK_CTRL, 0x8001);
1320 break;
1321 default:
1322 break;
1323 }
1324
1325 /* force 1000, set loopback */
1326 e1e_wphy(hw, PHY_CONTROL, 0x4140);
1327 mdelay(250);
1328
1329 /* Now set up the MAC to the same speed/duplex as the PHY. */
1330 ctrl_reg = er32(CTRL);
1331 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1332 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1333 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1334 E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
1335 E1000_CTRL_FD); /* Force Duplex to FULL */
1336
1337 if (adapter->flags & FLAG_IS_ICH)
1338 ctrl_reg |= E1000_CTRL_SLU; /* Set Link Up */
1339
1340 if (hw->phy.media_type == e1000_media_type_copper &&
1341 hw->phy.type == e1000_phy_m88) {
1342 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
1343 } else {
1344 /*
1345 * Set the ILOS bit on the fiber Nic if half duplex link is
1346 * detected.
1347 */
1348 if ((er32(STATUS) & E1000_STATUS_FD) == 0)
1349 ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
1350 }
1351
1352 ew32(CTRL, ctrl_reg);
1353
1354 /*
1355 * Disable the receiver on the PHY so when a cable is plugged in, the
1356 * PHY does not begin to autoneg when a cable is reconnected to the NIC.
1357 */
1358 if (hw->phy.type == e1000_phy_m88)
1359 e1000_phy_disable_receiver(adapter);
1360
1361 udelay(500);
1362
1363 return 0;
1364}
1365
1366static int e1000_set_82571_fiber_loopback(struct e1000_adapter *adapter)
1367{
1368 struct e1000_hw *hw = &adapter->hw;
1369 u32 ctrl = er32(CTRL);
1370 int link = 0;
1371
1372 /* special requirements for 82571/82572 fiber adapters */
1373
1374 /*
1375 * jump through hoops to make sure link is up because serdes
1376 * link is hardwired up
1377 */
1378 ctrl |= E1000_CTRL_SLU;
1379 ew32(CTRL, ctrl);
1380
1381 /* disable autoneg */
1382 ctrl = er32(TXCW);
1383 ctrl &= ~(1 << 31);
1384 ew32(TXCW, ctrl);
1385
1386 link = (er32(STATUS) & E1000_STATUS_LU);
1387
1388 if (!link) {
1389 /* set invert loss of signal */
1390 ctrl = er32(CTRL);
1391 ctrl |= E1000_CTRL_ILOS;
1392 ew32(CTRL, ctrl);
1393 }
1394
1395 /*
1396 * special write to serdes control register to enable SerDes analog
1397 * loopback
1398 */
1399#define E1000_SERDES_LB_ON 0x410
1400 ew32(SCTL, E1000_SERDES_LB_ON);
1401 e1e_flush();
1402 usleep_range(10000, 20000);
1403
1404 return 0;
1405}
1406
1407/* only call this for fiber/serdes connections to es2lan */
1408static int e1000_set_es2lan_mac_loopback(struct e1000_adapter *adapter)
1409{
1410 struct e1000_hw *hw = &adapter->hw;
1411 u32 ctrlext = er32(CTRL_EXT);
1412 u32 ctrl = er32(CTRL);
1413
1414 /*
1415 * save CTRL_EXT to restore later, reuse an empty variable (unused
1416 * on mac_type 80003es2lan)
1417 */
1418 adapter->tx_fifo_head = ctrlext;
1419
1420 /* clear the serdes mode bits, putting the device into mac loopback */
1421 ctrlext &= ~E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES;
1422 ew32(CTRL_EXT, ctrlext);
1423
1424 /* force speed to 1000/FD, link up */
1425 ctrl &= ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100);
1426 ctrl |= (E1000_CTRL_SLU | E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX |
1427 E1000_CTRL_SPD_1000 | E1000_CTRL_FD);
1428 ew32(CTRL, ctrl);
1429
1430 /* set mac loopback */
1431 ctrl = er32(RCTL);
1432 ctrl |= E1000_RCTL_LBM_MAC;
1433 ew32(RCTL, ctrl);
1434
1435 /* set testing mode parameters (no need to reset later) */
1436#define KMRNCTRLSTA_OPMODE (0x1F << 16)
1437#define KMRNCTRLSTA_OPMODE_1GB_FD_GMII 0x0582
1438 ew32(KMRNCTRLSTA,
1439 (KMRNCTRLSTA_OPMODE | KMRNCTRLSTA_OPMODE_1GB_FD_GMII));
1440
1441 return 0;
1442}
1443
1444static int e1000_setup_loopback_test(struct e1000_adapter *adapter)
1445{
1446 struct e1000_hw *hw = &adapter->hw;
1447 u32 rctl;
1448
1449 if (hw->phy.media_type == e1000_media_type_fiber ||
1450 hw->phy.media_type == e1000_media_type_internal_serdes) {
1451 switch (hw->mac.type) {
1452 case e1000_80003es2lan:
1453 return e1000_set_es2lan_mac_loopback(adapter);
1454 break;
1455 case e1000_82571:
1456 case e1000_82572:
1457 return e1000_set_82571_fiber_loopback(adapter);
1458 break;
1459 default:
1460 rctl = er32(RCTL);
1461 rctl |= E1000_RCTL_LBM_TCVR;
1462 ew32(RCTL, rctl);
1463 return 0;
1464 }
1465 } else if (hw->phy.media_type == e1000_media_type_copper) {
1466 return e1000_integrated_phy_loopback(adapter);
1467 }
1468
1469 return 7;
1470}
1471
1472static void e1000_loopback_cleanup(struct e1000_adapter *adapter)
1473{
1474 struct e1000_hw *hw = &adapter->hw;
1475 u32 rctl;
1476 u16 phy_reg;
1477
1478 rctl = er32(RCTL);
1479 rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
1480 ew32(RCTL, rctl);
1481
1482 switch (hw->mac.type) {
1483 case e1000_80003es2lan:
1484 if (hw->phy.media_type == e1000_media_type_fiber ||
1485 hw->phy.media_type == e1000_media_type_internal_serdes) {
1486 /* restore CTRL_EXT, stealing space from tx_fifo_head */
1487 ew32(CTRL_EXT, adapter->tx_fifo_head);
1488 adapter->tx_fifo_head = 0;
1489 }
1490 /* fall through */
1491 case e1000_82571:
1492 case e1000_82572:
1493 if (hw->phy.media_type == e1000_media_type_fiber ||
1494 hw->phy.media_type == e1000_media_type_internal_serdes) {
1495#define E1000_SERDES_LB_OFF 0x400
1496 ew32(SCTL, E1000_SERDES_LB_OFF);
1497 e1e_flush();
1498 usleep_range(10000, 20000);
1499 break;
1500 }
1501 /* Fall Through */
1502 default:
1503 hw->mac.autoneg = 1;
1504 if (hw->phy.type == e1000_phy_gg82563)
1505 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x180);
1506 e1e_rphy(hw, PHY_CONTROL, &phy_reg);
1507 if (phy_reg & MII_CR_LOOPBACK) {
1508 phy_reg &= ~MII_CR_LOOPBACK;
1509 e1e_wphy(hw, PHY_CONTROL, phy_reg);
1510 e1000e_commit_phy(hw);
1511 }
1512 break;
1513 }
1514}
1515
1516static void e1000_create_lbtest_frame(struct sk_buff *skb,
1517 unsigned int frame_size)
1518{
1519 memset(skb->data, 0xFF, frame_size);
1520 frame_size &= ~1;
1521 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1522 memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
1523 memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
1524}
1525
1526static int e1000_check_lbtest_frame(struct sk_buff *skb,
1527 unsigned int frame_size)
1528{
1529 frame_size &= ~1;
1530 if (*(skb->data + 3) == 0xFF)
1531 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
1532 (*(skb->data + frame_size / 2 + 12) == 0xAF))
1533 return 0;
1534 return 13;
1535}
1536
1537static int e1000_run_loopback_test(struct e1000_adapter *adapter)
1538{
1539 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1540 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1541 struct pci_dev *pdev = adapter->pdev;
1542 struct e1000_hw *hw = &adapter->hw;
1543 int i, j, k, l;
1544 int lc;
1545 int good_cnt;
1546 int ret_val = 0;
1547 unsigned long time;
1548
1549 ew32(RDT(0), rx_ring->count - 1);
1550
1551 /*
1552 * Calculate the loop count based on the largest descriptor ring
1553 * The idea is to wrap the largest ring a number of times using 64
1554 * send/receive pairs during each loop
1555 */
1556
1557 if (rx_ring->count <= tx_ring->count)
1558 lc = ((tx_ring->count / 64) * 2) + 1;
1559 else
1560 lc = ((rx_ring->count / 64) * 2) + 1;
1561
1562 k = 0;
1563 l = 0;
1564 for (j = 0; j <= lc; j++) { /* loop count loop */
1565 for (i = 0; i < 64; i++) { /* send the packets */
1566 e1000_create_lbtest_frame(tx_ring->buffer_info[k].skb,
1567 1024);
1568 dma_sync_single_for_device(&pdev->dev,
1569 tx_ring->buffer_info[k].dma,
1570 tx_ring->buffer_info[k].length,
1571 DMA_TO_DEVICE);
1572 k++;
1573 if (k == tx_ring->count)
1574 k = 0;
1575 }
1576 ew32(TDT(0), k);
1577 e1e_flush();
1578 msleep(200);
1579 time = jiffies; /* set the start time for the receive */
1580 good_cnt = 0;
1581 do { /* receive the sent packets */
1582 dma_sync_single_for_cpu(&pdev->dev,
1583 rx_ring->buffer_info[l].dma, 2048,
1584 DMA_FROM_DEVICE);
1585
1586 ret_val = e1000_check_lbtest_frame(
1587 rx_ring->buffer_info[l].skb, 1024);
1588 if (!ret_val)
1589 good_cnt++;
1590 l++;
1591 if (l == rx_ring->count)
1592 l = 0;
1593 /*
1594 * time + 20 msecs (200 msecs on 2.4) is more than
1595 * enough time to complete the receives, if it's
1596 * exceeded, break and error off
1597 */
1598 } while ((good_cnt < 64) && !time_after(jiffies, time + 20));
1599 if (good_cnt != 64) {
1600 ret_val = 13; /* ret_val is the same as mis-compare */
1601 break;
1602 }
1603 if (jiffies >= (time + 20)) {
1604 ret_val = 14; /* error code for time out error */
1605 break;
1606 }
1607 } /* end loop count loop */
1608 return ret_val;
1609}
1610
1611static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data)
1612{
1613 struct e1000_hw *hw = &adapter->hw;
1614
1615 /*
1616 * PHY loopback cannot be performed if SoL/IDER
1617 * sessions are active
1618 */
1619 if (hw->phy.ops.check_reset_block &&
1620 hw->phy.ops.check_reset_block(hw)) {
1621 e_err("Cannot do PHY loopback test when SoL/IDER is active.\n");
1622 *data = 0;
1623 goto out;
1624 }
1625
1626 *data = e1000_setup_desc_rings(adapter);
1627 if (*data)
1628 goto out;
1629
1630 *data = e1000_setup_loopback_test(adapter);
1631 if (*data)
1632 goto err_loopback;
1633
1634 *data = e1000_run_loopback_test(adapter);
1635 e1000_loopback_cleanup(adapter);
1636
1637err_loopback:
1638 e1000_free_desc_rings(adapter);
1639out:
1640 return *data;
1641}
1642
1643static int e1000_link_test(struct e1000_adapter *adapter, u64 *data)
1644{
1645 struct e1000_hw *hw = &adapter->hw;
1646
1647 *data = 0;
1648 if (hw->phy.media_type == e1000_media_type_internal_serdes) {
1649 int i = 0;
1650 hw->mac.serdes_has_link = false;
1651
1652 /*
1653 * On some blade server designs, link establishment
1654 * could take as long as 2-3 minutes
1655 */
1656 do {
1657 hw->mac.ops.check_for_link(hw);
1658 if (hw->mac.serdes_has_link)
1659 return *data;
1660 msleep(20);
1661 } while (i++ < 3750);
1662
1663 *data = 1;
1664 } else {
1665 hw->mac.ops.check_for_link(hw);
1666 if (hw->mac.autoneg)
1667 /*
1668 * On some Phy/switch combinations, link establishment
1669 * can take a few seconds more than expected.
1670 */
1671 msleep(5000);
1672
1673 if (!(er32(STATUS) & E1000_STATUS_LU))
1674 *data = 1;
1675 }
1676 return *data;
1677}
1678
1679static int e1000e_get_sset_count(struct net_device *netdev, int sset)
1680{
1681 switch (sset) {
1682 case ETH_SS_TEST:
1683 return E1000_TEST_LEN;
1684 case ETH_SS_STATS:
1685 return E1000_STATS_LEN;
1686 default:
1687 return -EOPNOTSUPP;
1688 }
1689}
1690
1691static void e1000_diag_test(struct net_device *netdev,
1692 struct ethtool_test *eth_test, u64 *data)
1693{
1694 struct e1000_adapter *adapter = netdev_priv(netdev);
1695 u16 autoneg_advertised;
1696 u8 forced_speed_duplex;
1697 u8 autoneg;
1698 bool if_running = netif_running(netdev);
1699
1700 set_bit(__E1000_TESTING, &adapter->state);
1701
1702 if (!if_running) {
1703 /* Get control of and reset hardware */
1704 if (adapter->flags & FLAG_HAS_AMT)
1705 e1000e_get_hw_control(adapter);
1706
1707 e1000e_power_up_phy(adapter);
1708
1709 adapter->hw.phy.autoneg_wait_to_complete = 1;
1710 e1000e_reset(adapter);
1711 adapter->hw.phy.autoneg_wait_to_complete = 0;
1712 }
1713
1714 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1715 /* Offline tests */
1716
1717 /* save speed, duplex, autoneg settings */
1718 autoneg_advertised = adapter->hw.phy.autoneg_advertised;
1719 forced_speed_duplex = adapter->hw.mac.forced_speed_duplex;
1720 autoneg = adapter->hw.mac.autoneg;
1721
1722 e_info("offline testing starting\n");
1723
1724 if (if_running)
1725 /* indicate we're in test mode */
1726 dev_close(netdev);
1727
1728 if (e1000_reg_test(adapter, &data[0]))
1729 eth_test->flags |= ETH_TEST_FL_FAILED;
1730
1731 e1000e_reset(adapter);
1732 if (e1000_eeprom_test(adapter, &data[1]))
1733 eth_test->flags |= ETH_TEST_FL_FAILED;
1734
1735 e1000e_reset(adapter);
1736 if (e1000_intr_test(adapter, &data[2]))
1737 eth_test->flags |= ETH_TEST_FL_FAILED;
1738
1739 e1000e_reset(adapter);
1740 if (e1000_loopback_test(adapter, &data[3]))
1741 eth_test->flags |= ETH_TEST_FL_FAILED;
1742
1743 /* force this routine to wait until autoneg complete/timeout */
1744 adapter->hw.phy.autoneg_wait_to_complete = 1;
1745 e1000e_reset(adapter);
1746 adapter->hw.phy.autoneg_wait_to_complete = 0;
1747
1748 if (e1000_link_test(adapter, &data[4]))
1749 eth_test->flags |= ETH_TEST_FL_FAILED;
1750
1751 /* restore speed, duplex, autoneg settings */
1752 adapter->hw.phy.autoneg_advertised = autoneg_advertised;
1753 adapter->hw.mac.forced_speed_duplex = forced_speed_duplex;
1754 adapter->hw.mac.autoneg = autoneg;
1755 e1000e_reset(adapter);
1756
1757 clear_bit(__E1000_TESTING, &adapter->state);
1758 if (if_running)
1759 dev_open(netdev);
1760 } else {
1761 /* Online tests */
1762
1763 e_info("online testing starting\n");
1764
1765 /* register, eeprom, intr and loopback tests not run online */
1766 data[0] = 0;
1767 data[1] = 0;
1768 data[2] = 0;
1769 data[3] = 0;
1770
1771 if (e1000_link_test(adapter, &data[4]))
1772 eth_test->flags |= ETH_TEST_FL_FAILED;
1773
1774 clear_bit(__E1000_TESTING, &adapter->state);
1775 }
1776
1777 if (!if_running) {
1778 e1000e_reset(adapter);
1779
1780 if (adapter->flags & FLAG_HAS_AMT)
1781 e1000e_release_hw_control(adapter);
1782 }
1783
1784 msleep_interruptible(4 * 1000);
1785}
1786
1787static void e1000_get_wol(struct net_device *netdev,
1788 struct ethtool_wolinfo *wol)
1789{
1790 struct e1000_adapter *adapter = netdev_priv(netdev);
1791
1792 wol->supported = 0;
1793 wol->wolopts = 0;
1794
1795 if (!(adapter->flags & FLAG_HAS_WOL) ||
1796 !device_can_wakeup(&adapter->pdev->dev))
1797 return;
1798
1799 wol->supported = WAKE_UCAST | WAKE_MCAST |
1800 WAKE_BCAST | WAKE_MAGIC | WAKE_PHY;
1801
1802 /* apply any specific unsupported masks here */
1803 if (adapter->flags & FLAG_NO_WAKE_UCAST) {
1804 wol->supported &= ~WAKE_UCAST;
1805
1806 if (adapter->wol & E1000_WUFC_EX)
1807 e_err("Interface does not support directed (unicast) frame wake-up packets\n");
1808 }
1809
1810 if (adapter->wol & E1000_WUFC_EX)
1811 wol->wolopts |= WAKE_UCAST;
1812 if (adapter->wol & E1000_WUFC_MC)
1813 wol->wolopts |= WAKE_MCAST;
1814 if (adapter->wol & E1000_WUFC_BC)
1815 wol->wolopts |= WAKE_BCAST;
1816 if (adapter->wol & E1000_WUFC_MAG)
1817 wol->wolopts |= WAKE_MAGIC;
1818 if (adapter->wol & E1000_WUFC_LNKC)
1819 wol->wolopts |= WAKE_PHY;
1820}
1821
1822static int e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1823{
1824 struct e1000_adapter *adapter = netdev_priv(netdev);
1825
1826 if (!(adapter->flags & FLAG_HAS_WOL) ||
1827 !device_can_wakeup(&adapter->pdev->dev) ||
1828 (wol->wolopts & ~(WAKE_UCAST | WAKE_MCAST | WAKE_BCAST |
1829 WAKE_MAGIC | WAKE_PHY)))
1830 return -EOPNOTSUPP;
1831
1832 /* these settings will always override what we currently have */
1833 adapter->wol = 0;
1834
1835 if (wol->wolopts & WAKE_UCAST)
1836 adapter->wol |= E1000_WUFC_EX;
1837 if (wol->wolopts & WAKE_MCAST)
1838 adapter->wol |= E1000_WUFC_MC;
1839 if (wol->wolopts & WAKE_BCAST)
1840 adapter->wol |= E1000_WUFC_BC;
1841 if (wol->wolopts & WAKE_MAGIC)
1842 adapter->wol |= E1000_WUFC_MAG;
1843 if (wol->wolopts & WAKE_PHY)
1844 adapter->wol |= E1000_WUFC_LNKC;
1845
1846 device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
1847
1848 return 0;
1849}
1850
1851static int e1000_set_phys_id(struct net_device *netdev,
1852 enum ethtool_phys_id_state state)
1853{
1854 struct e1000_adapter *adapter = netdev_priv(netdev);
1855 struct e1000_hw *hw = &adapter->hw;
1856
1857 switch (state) {
1858 case ETHTOOL_ID_ACTIVE:
1859 if (!hw->mac.ops.blink_led)
1860 return 2; /* cycle on/off twice per second */
1861
1862 hw->mac.ops.blink_led(hw);
1863 break;
1864
1865 case ETHTOOL_ID_INACTIVE:
1866 if (hw->phy.type == e1000_phy_ife)
1867 e1e_wphy(hw, IFE_PHY_SPECIAL_CONTROL_LED, 0);
1868 hw->mac.ops.led_off(hw);
1869 hw->mac.ops.cleanup_led(hw);
1870 break;
1871
1872 case ETHTOOL_ID_ON:
1873 hw->mac.ops.led_on(hw);
1874 break;
1875
1876 case ETHTOOL_ID_OFF:
1877 hw->mac.ops.led_off(hw);
1878 break;
1879 }
1880 return 0;
1881}
1882
1883static int e1000_get_coalesce(struct net_device *netdev,
1884 struct ethtool_coalesce *ec)
1885{
1886 struct e1000_adapter *adapter = netdev_priv(netdev);
1887
1888 if (adapter->itr_setting <= 4)
1889 ec->rx_coalesce_usecs = adapter->itr_setting;
1890 else
1891 ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting;
1892
1893 return 0;
1894}
1895
1896static int e1000_set_coalesce(struct net_device *netdev,
1897 struct ethtool_coalesce *ec)
1898{
1899 struct e1000_adapter *adapter = netdev_priv(netdev);
1900 struct e1000_hw *hw = &adapter->hw;
1901
1902 if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) ||
1903 ((ec->rx_coalesce_usecs > 4) &&
1904 (ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) ||
1905 (ec->rx_coalesce_usecs == 2))
1906 return -EINVAL;
1907
1908 if (ec->rx_coalesce_usecs == 4) {
1909 adapter->itr = adapter->itr_setting = 4;
1910 } else if (ec->rx_coalesce_usecs <= 3) {
1911 adapter->itr = 20000;
1912 adapter->itr_setting = ec->rx_coalesce_usecs;
1913 } else {
1914 adapter->itr = (1000000 / ec->rx_coalesce_usecs);
1915 adapter->itr_setting = adapter->itr & ~3;
1916 }
1917
1918 if (adapter->itr_setting != 0)
1919 ew32(ITR, 1000000000 / (adapter->itr * 256));
1920 else
1921 ew32(ITR, 0);
1922
1923 return 0;
1924}
1925
1926static int e1000_nway_reset(struct net_device *netdev)
1927{
1928 struct e1000_adapter *adapter = netdev_priv(netdev);
1929
1930 if (!netif_running(netdev))
1931 return -EAGAIN;
1932
1933 if (!adapter->hw.mac.autoneg)
1934 return -EINVAL;
1935
1936 e1000e_reinit_locked(adapter);
1937
1938 return 0;
1939}
1940
1941static void e1000_get_ethtool_stats(struct net_device *netdev,
1942 struct ethtool_stats *stats,
1943 u64 *data)
1944{
1945 struct e1000_adapter *adapter = netdev_priv(netdev);
1946 struct rtnl_link_stats64 net_stats;
1947 int i;
1948 char *p = NULL;
1949
1950 e1000e_get_stats64(netdev, &net_stats);
1951 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1952 switch (e1000_gstrings_stats[i].type) {
1953 case NETDEV_STATS:
1954 p = (char *) &net_stats +
1955 e1000_gstrings_stats[i].stat_offset;
1956 break;
1957 case E1000_STATS:
1958 p = (char *) adapter +
1959 e1000_gstrings_stats[i].stat_offset;
1960 break;
1961 default:
1962 data[i] = 0;
1963 continue;
1964 }
1965
1966 data[i] = (e1000_gstrings_stats[i].sizeof_stat ==
1967 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1968 }
1969}
1970
1971static void e1000_get_strings(struct net_device *netdev, u32 stringset,
1972 u8 *data)
1973{
1974 u8 *p = data;
1975 int i;
1976
1977 switch (stringset) {
1978 case ETH_SS_TEST:
1979 memcpy(data, e1000_gstrings_test, sizeof(e1000_gstrings_test));
1980 break;
1981 case ETH_SS_STATS:
1982 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1983 memcpy(p, e1000_gstrings_stats[i].stat_string,
1984 ETH_GSTRING_LEN);
1985 p += ETH_GSTRING_LEN;
1986 }
1987 break;
1988 }
1989}
1990
1991static int e1000_get_rxnfc(struct net_device *netdev,
1992 struct ethtool_rxnfc *info, u32 *rule_locs)
1993{
1994 info->data = 0;
1995
1996 switch (info->cmd) {
1997 case ETHTOOL_GRXFH: {
1998 struct e1000_adapter *adapter = netdev_priv(netdev);
1999 struct e1000_hw *hw = &adapter->hw;
2000 u32 mrqc = er32(MRQC);
2001
2002 if (!(mrqc & E1000_MRQC_RSS_FIELD_MASK))
2003 return 0;
2004
2005 switch (info->flow_type) {
2006 case TCP_V4_FLOW:
2007 if (mrqc & E1000_MRQC_RSS_FIELD_IPV4_TCP)
2008 info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2009 /* fall through */
2010 case UDP_V4_FLOW:
2011 case SCTP_V4_FLOW:
2012 case AH_ESP_V4_FLOW:
2013 case IPV4_FLOW:
2014 if (mrqc & E1000_MRQC_RSS_FIELD_IPV4)
2015 info->data |= RXH_IP_SRC | RXH_IP_DST;
2016 break;
2017 case TCP_V6_FLOW:
2018 if (mrqc & E1000_MRQC_RSS_FIELD_IPV6_TCP)
2019 info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2020 /* fall through */
2021 case UDP_V6_FLOW:
2022 case SCTP_V6_FLOW:
2023 case AH_ESP_V6_FLOW:
2024 case IPV6_FLOW:
2025 if (mrqc & E1000_MRQC_RSS_FIELD_IPV6)
2026 info->data |= RXH_IP_SRC | RXH_IP_DST;
2027 break;
2028 default:
2029 break;
2030 }
2031 return 0;
2032 }
2033 default:
2034 return -EOPNOTSUPP;
2035 }
2036}
2037
2038static const struct ethtool_ops e1000_ethtool_ops = {
2039 .get_settings = e1000_get_settings,
2040 .set_settings = e1000_set_settings,
2041 .get_drvinfo = e1000_get_drvinfo,
2042 .get_regs_len = e1000_get_regs_len,
2043 .get_regs = e1000_get_regs,
2044 .get_wol = e1000_get_wol,
2045 .set_wol = e1000_set_wol,
2046 .get_msglevel = e1000_get_msglevel,
2047 .set_msglevel = e1000_set_msglevel,
2048 .nway_reset = e1000_nway_reset,
2049 .get_link = ethtool_op_get_link,
2050 .get_eeprom_len = e1000_get_eeprom_len,
2051 .get_eeprom = e1000_get_eeprom,
2052 .set_eeprom = e1000_set_eeprom,
2053 .get_ringparam = e1000_get_ringparam,
2054 .set_ringparam = e1000_set_ringparam,
2055 .get_pauseparam = e1000_get_pauseparam,
2056 .set_pauseparam = e1000_set_pauseparam,
2057 .self_test = e1000_diag_test,
2058 .get_strings = e1000_get_strings,
2059 .set_phys_id = e1000_set_phys_id,
2060 .get_ethtool_stats = e1000_get_ethtool_stats,
2061 .get_sset_count = e1000e_get_sset_count,
2062 .get_coalesce = e1000_get_coalesce,
2063 .set_coalesce = e1000_set_coalesce,
2064 .get_rxnfc = e1000_get_rxnfc,
2065};
2066
2067void e1000e_set_ethtool_ops(struct net_device *netdev)
2068{
2069 SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops);
2070}
1// SPDX-License-Identifier: GPL-2.0
2/* Copyright(c) 1999 - 2018 Intel Corporation. */
3
4/* ethtool support for e1000 */
5
6#include <linux/netdevice.h>
7#include <linux/interrupt.h>
8#include <linux/ethtool.h>
9#include <linux/pci.h>
10#include <linux/slab.h>
11#include <linux/delay.h>
12#include <linux/vmalloc.h>
13#include <linux/pm_runtime.h>
14
15#include "e1000.h"
16
17enum { NETDEV_STATS, E1000_STATS };
18
19struct e1000_stats {
20 char stat_string[ETH_GSTRING_LEN];
21 int type;
22 int sizeof_stat;
23 int stat_offset;
24};
25
26static const char e1000e_priv_flags_strings[][ETH_GSTRING_LEN] = {
27#define E1000E_PRIV_FLAGS_S0IX_ENABLED BIT(0)
28 "s0ix-enabled",
29};
30
31#define E1000E_PRIV_FLAGS_STR_LEN ARRAY_SIZE(e1000e_priv_flags_strings)
32
33#define E1000_STAT(str, m) { \
34 .stat_string = str, \
35 .type = E1000_STATS, \
36 .sizeof_stat = sizeof(((struct e1000_adapter *)0)->m), \
37 .stat_offset = offsetof(struct e1000_adapter, m) }
38#define E1000_NETDEV_STAT(str, m) { \
39 .stat_string = str, \
40 .type = NETDEV_STATS, \
41 .sizeof_stat = sizeof(((struct rtnl_link_stats64 *)0)->m), \
42 .stat_offset = offsetof(struct rtnl_link_stats64, m) }
43
44static const struct e1000_stats e1000_gstrings_stats[] = {
45 E1000_STAT("rx_packets", stats.gprc),
46 E1000_STAT("tx_packets", stats.gptc),
47 E1000_STAT("rx_bytes", stats.gorc),
48 E1000_STAT("tx_bytes", stats.gotc),
49 E1000_STAT("rx_broadcast", stats.bprc),
50 E1000_STAT("tx_broadcast", stats.bptc),
51 E1000_STAT("rx_multicast", stats.mprc),
52 E1000_STAT("tx_multicast", stats.mptc),
53 E1000_NETDEV_STAT("rx_errors", rx_errors),
54 E1000_NETDEV_STAT("tx_errors", tx_errors),
55 E1000_NETDEV_STAT("tx_dropped", tx_dropped),
56 E1000_STAT("multicast", stats.mprc),
57 E1000_STAT("collisions", stats.colc),
58 E1000_NETDEV_STAT("rx_length_errors", rx_length_errors),
59 E1000_NETDEV_STAT("rx_over_errors", rx_over_errors),
60 E1000_STAT("rx_crc_errors", stats.crcerrs),
61 E1000_NETDEV_STAT("rx_frame_errors", rx_frame_errors),
62 E1000_STAT("rx_no_buffer_count", stats.rnbc),
63 E1000_STAT("rx_missed_errors", stats.mpc),
64 E1000_STAT("tx_aborted_errors", stats.ecol),
65 E1000_STAT("tx_carrier_errors", stats.tncrs),
66 E1000_NETDEV_STAT("tx_fifo_errors", tx_fifo_errors),
67 E1000_NETDEV_STAT("tx_heartbeat_errors", tx_heartbeat_errors),
68 E1000_STAT("tx_window_errors", stats.latecol),
69 E1000_STAT("tx_abort_late_coll", stats.latecol),
70 E1000_STAT("tx_deferred_ok", stats.dc),
71 E1000_STAT("tx_single_coll_ok", stats.scc),
72 E1000_STAT("tx_multi_coll_ok", stats.mcc),
73 E1000_STAT("tx_timeout_count", tx_timeout_count),
74 E1000_STAT("tx_restart_queue", restart_queue),
75 E1000_STAT("rx_long_length_errors", stats.roc),
76 E1000_STAT("rx_short_length_errors", stats.ruc),
77 E1000_STAT("rx_align_errors", stats.algnerrc),
78 E1000_STAT("tx_tcp_seg_good", stats.tsctc),
79 E1000_STAT("tx_tcp_seg_failed", stats.tsctfc),
80 E1000_STAT("rx_flow_control_xon", stats.xonrxc),
81 E1000_STAT("rx_flow_control_xoff", stats.xoffrxc),
82 E1000_STAT("tx_flow_control_xon", stats.xontxc),
83 E1000_STAT("tx_flow_control_xoff", stats.xofftxc),
84 E1000_STAT("rx_csum_offload_good", hw_csum_good),
85 E1000_STAT("rx_csum_offload_errors", hw_csum_err),
86 E1000_STAT("rx_header_split", rx_hdr_split),
87 E1000_STAT("alloc_rx_buff_failed", alloc_rx_buff_failed),
88 E1000_STAT("tx_smbus", stats.mgptc),
89 E1000_STAT("rx_smbus", stats.mgprc),
90 E1000_STAT("dropped_smbus", stats.mgpdc),
91 E1000_STAT("rx_dma_failed", rx_dma_failed),
92 E1000_STAT("tx_dma_failed", tx_dma_failed),
93 E1000_STAT("rx_hwtstamp_cleared", rx_hwtstamp_cleared),
94 E1000_STAT("uncorr_ecc_errors", uncorr_errors),
95 E1000_STAT("corr_ecc_errors", corr_errors),
96 E1000_STAT("tx_hwtstamp_timeouts", tx_hwtstamp_timeouts),
97 E1000_STAT("tx_hwtstamp_skipped", tx_hwtstamp_skipped),
98};
99
100#define E1000_GLOBAL_STATS_LEN ARRAY_SIZE(e1000_gstrings_stats)
101#define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN)
102static 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)"
106};
107
108#define E1000_TEST_LEN ARRAY_SIZE(e1000_gstrings_test)
109
110static int e1000_get_link_ksettings(struct net_device *netdev,
111 struct ethtool_link_ksettings *cmd)
112{
113 struct e1000_adapter *adapter = netdev_priv(netdev);
114 struct e1000_hw *hw = &adapter->hw;
115 u32 speed, supported, advertising;
116
117 if (hw->phy.media_type == e1000_media_type_copper) {
118 supported = (SUPPORTED_10baseT_Half |
119 SUPPORTED_10baseT_Full |
120 SUPPORTED_100baseT_Half |
121 SUPPORTED_100baseT_Full |
122 SUPPORTED_1000baseT_Full |
123 SUPPORTED_Autoneg |
124 SUPPORTED_TP);
125 if (hw->phy.type == e1000_phy_ife)
126 supported &= ~SUPPORTED_1000baseT_Full;
127 advertising = ADVERTISED_TP;
128
129 if (hw->mac.autoneg == 1) {
130 advertising |= ADVERTISED_Autoneg;
131 /* the e1000 autoneg seems to match ethtool nicely */
132 advertising |= hw->phy.autoneg_advertised;
133 }
134
135 cmd->base.port = PORT_TP;
136 cmd->base.phy_address = hw->phy.addr;
137 } else {
138 supported = (SUPPORTED_1000baseT_Full |
139 SUPPORTED_FIBRE |
140 SUPPORTED_Autoneg);
141
142 advertising = (ADVERTISED_1000baseT_Full |
143 ADVERTISED_FIBRE |
144 ADVERTISED_Autoneg);
145
146 cmd->base.port = PORT_FIBRE;
147 }
148
149 speed = SPEED_UNKNOWN;
150 cmd->base.duplex = DUPLEX_UNKNOWN;
151
152 if (netif_running(netdev)) {
153 if (netif_carrier_ok(netdev)) {
154 speed = adapter->link_speed;
155 cmd->base.duplex = adapter->link_duplex - 1;
156 }
157 } else if (!pm_runtime_suspended(netdev->dev.parent)) {
158 u32 status = er32(STATUS);
159
160 if (status & E1000_STATUS_LU) {
161 if (status & E1000_STATUS_SPEED_1000)
162 speed = SPEED_1000;
163 else if (status & E1000_STATUS_SPEED_100)
164 speed = SPEED_100;
165 else
166 speed = SPEED_10;
167
168 if (status & E1000_STATUS_FD)
169 cmd->base.duplex = DUPLEX_FULL;
170 else
171 cmd->base.duplex = DUPLEX_HALF;
172 }
173 }
174
175 cmd->base.speed = speed;
176 cmd->base.autoneg = ((hw->phy.media_type == e1000_media_type_fiber) ||
177 hw->mac.autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE;
178
179 /* MDI-X => 2; MDI =>1; Invalid =>0 */
180 if ((hw->phy.media_type == e1000_media_type_copper) &&
181 netif_carrier_ok(netdev))
182 cmd->base.eth_tp_mdix = hw->phy.is_mdix ?
183 ETH_TP_MDI_X : ETH_TP_MDI;
184 else
185 cmd->base.eth_tp_mdix = ETH_TP_MDI_INVALID;
186
187 if (hw->phy.mdix == AUTO_ALL_MODES)
188 cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI_AUTO;
189 else
190 cmd->base.eth_tp_mdix_ctrl = hw->phy.mdix;
191
192 if (hw->phy.media_type != e1000_media_type_copper)
193 cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI_INVALID;
194
195 ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
196 supported);
197 ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising,
198 advertising);
199
200 return 0;
201}
202
203static int e1000_set_spd_dplx(struct e1000_adapter *adapter, u32 spd, u8 dplx)
204{
205 struct e1000_mac_info *mac = &adapter->hw.mac;
206
207 mac->autoneg = 0;
208
209 /* Make sure dplx is at most 1 bit and lsb of speed is not set
210 * for the switch() below to work
211 */
212 if ((spd & 1) || (dplx & ~1))
213 goto err_inval;
214
215 /* Fiber NICs only allow 1000 gbps Full duplex */
216 if ((adapter->hw.phy.media_type == e1000_media_type_fiber) &&
217 (spd != SPEED_1000) && (dplx != DUPLEX_FULL)) {
218 goto err_inval;
219 }
220
221 switch (spd + dplx) {
222 case SPEED_10 + DUPLEX_HALF:
223 mac->forced_speed_duplex = ADVERTISE_10_HALF;
224 break;
225 case SPEED_10 + DUPLEX_FULL:
226 mac->forced_speed_duplex = ADVERTISE_10_FULL;
227 break;
228 case SPEED_100 + DUPLEX_HALF:
229 mac->forced_speed_duplex = ADVERTISE_100_HALF;
230 break;
231 case SPEED_100 + DUPLEX_FULL:
232 mac->forced_speed_duplex = ADVERTISE_100_FULL;
233 break;
234 case SPEED_1000 + DUPLEX_FULL:
235 if (adapter->hw.phy.media_type == e1000_media_type_copper) {
236 mac->autoneg = 1;
237 adapter->hw.phy.autoneg_advertised =
238 ADVERTISE_1000_FULL;
239 } else {
240 mac->forced_speed_duplex = ADVERTISE_1000_FULL;
241 }
242 break;
243 case SPEED_1000 + DUPLEX_HALF: /* not supported */
244 default:
245 goto err_inval;
246 }
247
248 /* clear MDI, MDI(-X) override is only allowed when autoneg enabled */
249 adapter->hw.phy.mdix = AUTO_ALL_MODES;
250
251 return 0;
252
253err_inval:
254 e_err("Unsupported Speed/Duplex configuration\n");
255 return -EINVAL;
256}
257
258static int e1000_set_link_ksettings(struct net_device *netdev,
259 const struct ethtool_link_ksettings *cmd)
260{
261 struct e1000_adapter *adapter = netdev_priv(netdev);
262 struct e1000_hw *hw = &adapter->hw;
263 int ret_val = 0;
264 u32 advertising;
265
266 ethtool_convert_link_mode_to_legacy_u32(&advertising,
267 cmd->link_modes.advertising);
268
269 pm_runtime_get_sync(netdev->dev.parent);
270
271 /* When SoL/IDER sessions are active, autoneg/speed/duplex
272 * cannot be changed
273 */
274 if (hw->phy.ops.check_reset_block &&
275 hw->phy.ops.check_reset_block(hw)) {
276 e_err("Cannot change link characteristics when SoL/IDER is active.\n");
277 ret_val = -EINVAL;
278 goto out;
279 }
280
281 /* MDI setting is only allowed when autoneg enabled because
282 * some hardware doesn't allow MDI setting when speed or
283 * duplex is forced.
284 */
285 if (cmd->base.eth_tp_mdix_ctrl) {
286 if (hw->phy.media_type != e1000_media_type_copper) {
287 ret_val = -EOPNOTSUPP;
288 goto out;
289 }
290
291 if ((cmd->base.eth_tp_mdix_ctrl != ETH_TP_MDI_AUTO) &&
292 (cmd->base.autoneg != AUTONEG_ENABLE)) {
293 e_err("forcing MDI/MDI-X state is not supported when link speed and/or duplex are forced\n");
294 ret_val = -EINVAL;
295 goto out;
296 }
297 }
298
299 while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
300 usleep_range(1000, 2000);
301
302 if (cmd->base.autoneg == AUTONEG_ENABLE) {
303 hw->mac.autoneg = 1;
304 if (hw->phy.media_type == e1000_media_type_fiber)
305 hw->phy.autoneg_advertised = ADVERTISED_1000baseT_Full |
306 ADVERTISED_FIBRE | ADVERTISED_Autoneg;
307 else
308 hw->phy.autoneg_advertised = advertising |
309 ADVERTISED_TP | ADVERTISED_Autoneg;
310 advertising = hw->phy.autoneg_advertised;
311 if (adapter->fc_autoneg)
312 hw->fc.requested_mode = e1000_fc_default;
313 } else {
314 u32 speed = cmd->base.speed;
315 /* calling this overrides forced MDI setting */
316 if (e1000_set_spd_dplx(adapter, speed, cmd->base.duplex)) {
317 ret_val = -EINVAL;
318 goto out;
319 }
320 }
321
322 /* MDI-X => 2; MDI => 1; Auto => 3 */
323 if (cmd->base.eth_tp_mdix_ctrl) {
324 /* fix up the value for auto (3 => 0) as zero is mapped
325 * internally to auto
326 */
327 if (cmd->base.eth_tp_mdix_ctrl == ETH_TP_MDI_AUTO)
328 hw->phy.mdix = AUTO_ALL_MODES;
329 else
330 hw->phy.mdix = cmd->base.eth_tp_mdix_ctrl;
331 }
332
333 /* reset the link */
334 if (netif_running(adapter->netdev)) {
335 e1000e_down(adapter, true);
336 e1000e_up(adapter);
337 } else {
338 e1000e_reset(adapter);
339 }
340
341out:
342 pm_runtime_put_sync(netdev->dev.parent);
343 clear_bit(__E1000_RESETTING, &adapter->state);
344 return ret_val;
345}
346
347static void e1000_get_pauseparam(struct net_device *netdev,
348 struct ethtool_pauseparam *pause)
349{
350 struct e1000_adapter *adapter = netdev_priv(netdev);
351 struct e1000_hw *hw = &adapter->hw;
352
353 pause->autoneg =
354 (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE);
355
356 if (hw->fc.current_mode == e1000_fc_rx_pause) {
357 pause->rx_pause = 1;
358 } else if (hw->fc.current_mode == e1000_fc_tx_pause) {
359 pause->tx_pause = 1;
360 } else if (hw->fc.current_mode == e1000_fc_full) {
361 pause->rx_pause = 1;
362 pause->tx_pause = 1;
363 }
364}
365
366static int e1000_set_pauseparam(struct net_device *netdev,
367 struct ethtool_pauseparam *pause)
368{
369 struct e1000_adapter *adapter = netdev_priv(netdev);
370 struct e1000_hw *hw = &adapter->hw;
371 int retval = 0;
372
373 adapter->fc_autoneg = pause->autoneg;
374
375 while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
376 usleep_range(1000, 2000);
377
378 pm_runtime_get_sync(netdev->dev.parent);
379
380 if (adapter->fc_autoneg == AUTONEG_ENABLE) {
381 hw->fc.requested_mode = e1000_fc_default;
382 if (netif_running(adapter->netdev)) {
383 e1000e_down(adapter, true);
384 e1000e_up(adapter);
385 } else {
386 e1000e_reset(adapter);
387 }
388 } else {
389 if (pause->rx_pause && pause->tx_pause)
390 hw->fc.requested_mode = e1000_fc_full;
391 else if (pause->rx_pause && !pause->tx_pause)
392 hw->fc.requested_mode = e1000_fc_rx_pause;
393 else if (!pause->rx_pause && pause->tx_pause)
394 hw->fc.requested_mode = e1000_fc_tx_pause;
395 else if (!pause->rx_pause && !pause->tx_pause)
396 hw->fc.requested_mode = e1000_fc_none;
397
398 hw->fc.current_mode = hw->fc.requested_mode;
399
400 if (hw->phy.media_type == e1000_media_type_fiber) {
401 retval = hw->mac.ops.setup_link(hw);
402 /* implicit goto out */
403 } else {
404 retval = e1000e_force_mac_fc(hw);
405 if (retval)
406 goto out;
407 e1000e_set_fc_watermarks(hw);
408 }
409 }
410
411out:
412 pm_runtime_put_sync(netdev->dev.parent);
413 clear_bit(__E1000_RESETTING, &adapter->state);
414 return retval;
415}
416
417static u32 e1000_get_msglevel(struct net_device *netdev)
418{
419 struct e1000_adapter *adapter = netdev_priv(netdev);
420 return adapter->msg_enable;
421}
422
423static void e1000_set_msglevel(struct net_device *netdev, u32 data)
424{
425 struct e1000_adapter *adapter = netdev_priv(netdev);
426 adapter->msg_enable = data;
427}
428
429static int e1000_get_regs_len(struct net_device __always_unused *netdev)
430{
431#define E1000_REGS_LEN 32 /* overestimate */
432 return E1000_REGS_LEN * sizeof(u32);
433}
434
435static void e1000_get_regs(struct net_device *netdev,
436 struct ethtool_regs *regs, void *p)
437{
438 struct e1000_adapter *adapter = netdev_priv(netdev);
439 struct e1000_hw *hw = &adapter->hw;
440 u32 *regs_buff = p;
441 u16 phy_data;
442
443 pm_runtime_get_sync(netdev->dev.parent);
444
445 memset(p, 0, E1000_REGS_LEN * sizeof(u32));
446
447 regs->version = (1u << 24) |
448 (adapter->pdev->revision << 16) |
449 adapter->pdev->device;
450
451 regs_buff[0] = er32(CTRL);
452 regs_buff[1] = er32(STATUS);
453
454 regs_buff[2] = er32(RCTL);
455 regs_buff[3] = er32(RDLEN(0));
456 regs_buff[4] = er32(RDH(0));
457 regs_buff[5] = er32(RDT(0));
458 regs_buff[6] = er32(RDTR);
459
460 regs_buff[7] = er32(TCTL);
461 regs_buff[8] = er32(TDLEN(0));
462 regs_buff[9] = er32(TDH(0));
463 regs_buff[10] = er32(TDT(0));
464 regs_buff[11] = er32(TIDV);
465
466 regs_buff[12] = adapter->hw.phy.type; /* PHY type (IGP=1, M88=0) */
467
468 /* ethtool doesn't use anything past this point, so all this
469 * code is likely legacy junk for apps that may or may not exist
470 */
471 if (hw->phy.type == e1000_phy_m88) {
472 e1e_rphy(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
473 regs_buff[13] = (u32)phy_data; /* cable length */
474 regs_buff[14] = 0; /* Dummy (to align w/ IGP phy reg dump) */
475 regs_buff[15] = 0; /* Dummy (to align w/ IGP phy reg dump) */
476 regs_buff[16] = 0; /* Dummy (to align w/ IGP phy reg dump) */
477 e1e_rphy(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
478 regs_buff[17] = (u32)phy_data; /* extended 10bt distance */
479 regs_buff[18] = regs_buff[13]; /* cable polarity */
480 regs_buff[19] = 0; /* Dummy (to align w/ IGP phy reg dump) */
481 regs_buff[20] = regs_buff[17]; /* polarity correction */
482 /* phy receive errors */
483 regs_buff[22] = adapter->phy_stats.receive_errors;
484 regs_buff[23] = regs_buff[13]; /* mdix mode */
485 }
486 regs_buff[21] = 0; /* was idle_errors */
487 e1e_rphy(hw, MII_STAT1000, &phy_data);
488 regs_buff[24] = (u32)phy_data; /* phy local receiver status */
489 regs_buff[25] = regs_buff[24]; /* phy remote receiver status */
490
491 pm_runtime_put_sync(netdev->dev.parent);
492}
493
494static int e1000_get_eeprom_len(struct net_device *netdev)
495{
496 struct e1000_adapter *adapter = netdev_priv(netdev);
497 return adapter->hw.nvm.word_size * 2;
498}
499
500static int e1000_get_eeprom(struct net_device *netdev,
501 struct ethtool_eeprom *eeprom, u8 *bytes)
502{
503 struct e1000_adapter *adapter = netdev_priv(netdev);
504 struct e1000_hw *hw = &adapter->hw;
505 u16 *eeprom_buff;
506 int first_word;
507 int last_word;
508 int ret_val = 0;
509 u16 i;
510
511 if (eeprom->len == 0)
512 return -EINVAL;
513
514 eeprom->magic = adapter->pdev->vendor | (adapter->pdev->device << 16);
515
516 first_word = eeprom->offset >> 1;
517 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
518
519 eeprom_buff = kmalloc_array(last_word - first_word + 1, sizeof(u16),
520 GFP_KERNEL);
521 if (!eeprom_buff)
522 return -ENOMEM;
523
524 pm_runtime_get_sync(netdev->dev.parent);
525
526 if (hw->nvm.type == e1000_nvm_eeprom_spi) {
527 ret_val = e1000_read_nvm(hw, first_word,
528 last_word - first_word + 1,
529 eeprom_buff);
530 } else {
531 for (i = 0; i < last_word - first_word + 1; i++) {
532 ret_val = e1000_read_nvm(hw, first_word + i, 1,
533 &eeprom_buff[i]);
534 if (ret_val)
535 break;
536 }
537 }
538
539 pm_runtime_put_sync(netdev->dev.parent);
540
541 if (ret_val) {
542 /* a read error occurred, throw away the result */
543 memset(eeprom_buff, 0xff, sizeof(u16) *
544 (last_word - first_word + 1));
545 } else {
546 /* Device's eeprom is always little-endian, word addressable */
547 for (i = 0; i < last_word - first_word + 1; i++)
548 le16_to_cpus(&eeprom_buff[i]);
549 }
550
551 memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
552 kfree(eeprom_buff);
553
554 return ret_val;
555}
556
557static int e1000_set_eeprom(struct net_device *netdev,
558 struct ethtool_eeprom *eeprom, u8 *bytes)
559{
560 struct e1000_adapter *adapter = netdev_priv(netdev);
561 struct e1000_hw *hw = &adapter->hw;
562 u16 *eeprom_buff;
563 void *ptr;
564 int max_len;
565 int first_word;
566 int last_word;
567 int ret_val = 0;
568 u16 i;
569
570 if (eeprom->len == 0)
571 return -EOPNOTSUPP;
572
573 if (eeprom->magic !=
574 (adapter->pdev->vendor | (adapter->pdev->device << 16)))
575 return -EFAULT;
576
577 if (adapter->flags & FLAG_READ_ONLY_NVM)
578 return -EINVAL;
579
580 max_len = hw->nvm.word_size * 2;
581
582 first_word = eeprom->offset >> 1;
583 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
584 eeprom_buff = kmalloc(max_len, GFP_KERNEL);
585 if (!eeprom_buff)
586 return -ENOMEM;
587
588 ptr = (void *)eeprom_buff;
589
590 pm_runtime_get_sync(netdev->dev.parent);
591
592 if (eeprom->offset & 1) {
593 /* need read/modify/write of first changed EEPROM word */
594 /* only the second byte of the word is being modified */
595 ret_val = e1000_read_nvm(hw, first_word, 1, &eeprom_buff[0]);
596 ptr++;
597 }
598 if (((eeprom->offset + eeprom->len) & 1) && (!ret_val))
599 /* need read/modify/write of last changed EEPROM word */
600 /* only the first byte of the word is being modified */
601 ret_val = e1000_read_nvm(hw, last_word, 1,
602 &eeprom_buff[last_word - first_word]);
603
604 if (ret_val)
605 goto out;
606
607 /* Device's eeprom is always little-endian, word addressable */
608 for (i = 0; i < last_word - first_word + 1; i++)
609 le16_to_cpus(&eeprom_buff[i]);
610
611 memcpy(ptr, bytes, eeprom->len);
612
613 for (i = 0; i < last_word - first_word + 1; i++)
614 cpu_to_le16s(&eeprom_buff[i]);
615
616 ret_val = e1000_write_nvm(hw, first_word,
617 last_word - first_word + 1, eeprom_buff);
618
619 if (ret_val)
620 goto out;
621
622 /* Update the checksum over the first part of the EEPROM if needed
623 * and flush shadow RAM for applicable controllers
624 */
625 if ((first_word <= NVM_CHECKSUM_REG) ||
626 (hw->mac.type == e1000_82583) ||
627 (hw->mac.type == e1000_82574) ||
628 (hw->mac.type == e1000_82573))
629 ret_val = e1000e_update_nvm_checksum(hw);
630
631out:
632 pm_runtime_put_sync(netdev->dev.parent);
633 kfree(eeprom_buff);
634 return ret_val;
635}
636
637static void e1000_get_drvinfo(struct net_device *netdev,
638 struct ethtool_drvinfo *drvinfo)
639{
640 struct e1000_adapter *adapter = netdev_priv(netdev);
641
642 strscpy(drvinfo->driver, e1000e_driver_name, sizeof(drvinfo->driver));
643
644 /* EEPROM image version # is reported as firmware version # for
645 * PCI-E controllers
646 */
647 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
648 "%d.%d-%d",
649 (adapter->eeprom_vers & 0xF000) >> 12,
650 (adapter->eeprom_vers & 0x0FF0) >> 4,
651 (adapter->eeprom_vers & 0x000F));
652
653 strscpy(drvinfo->bus_info, pci_name(adapter->pdev),
654 sizeof(drvinfo->bus_info));
655}
656
657static void e1000_get_ringparam(struct net_device *netdev,
658 struct ethtool_ringparam *ring,
659 struct kernel_ethtool_ringparam *kernel_ring,
660 struct netlink_ext_ack *extack)
661{
662 struct e1000_adapter *adapter = netdev_priv(netdev);
663
664 ring->rx_max_pending = E1000_MAX_RXD;
665 ring->tx_max_pending = E1000_MAX_TXD;
666 ring->rx_pending = adapter->rx_ring_count;
667 ring->tx_pending = adapter->tx_ring_count;
668}
669
670static int e1000_set_ringparam(struct net_device *netdev,
671 struct ethtool_ringparam *ring,
672 struct kernel_ethtool_ringparam *kernel_ring,
673 struct netlink_ext_ack *extack)
674{
675 struct e1000_adapter *adapter = netdev_priv(netdev);
676 struct e1000_ring *temp_tx = NULL, *temp_rx = NULL;
677 int err = 0, size = sizeof(struct e1000_ring);
678 bool set_tx = false, set_rx = false;
679 u16 new_rx_count, new_tx_count;
680
681 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
682 return -EINVAL;
683
684 new_rx_count = clamp_t(u32, ring->rx_pending, E1000_MIN_RXD,
685 E1000_MAX_RXD);
686 new_rx_count = ALIGN(new_rx_count, REQ_RX_DESCRIPTOR_MULTIPLE);
687
688 new_tx_count = clamp_t(u32, ring->tx_pending, E1000_MIN_TXD,
689 E1000_MAX_TXD);
690 new_tx_count = ALIGN(new_tx_count, REQ_TX_DESCRIPTOR_MULTIPLE);
691
692 if ((new_tx_count == adapter->tx_ring_count) &&
693 (new_rx_count == adapter->rx_ring_count))
694 /* nothing to do */
695 return 0;
696
697 while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
698 usleep_range(1000, 2000);
699
700 if (!netif_running(adapter->netdev)) {
701 /* Set counts now and allocate resources during open() */
702 adapter->tx_ring->count = new_tx_count;
703 adapter->rx_ring->count = new_rx_count;
704 adapter->tx_ring_count = new_tx_count;
705 adapter->rx_ring_count = new_rx_count;
706 goto clear_reset;
707 }
708
709 set_tx = (new_tx_count != adapter->tx_ring_count);
710 set_rx = (new_rx_count != adapter->rx_ring_count);
711
712 /* Allocate temporary storage for ring updates */
713 if (set_tx) {
714 temp_tx = vmalloc(size);
715 if (!temp_tx) {
716 err = -ENOMEM;
717 goto free_temp;
718 }
719 }
720 if (set_rx) {
721 temp_rx = vmalloc(size);
722 if (!temp_rx) {
723 err = -ENOMEM;
724 goto free_temp;
725 }
726 }
727
728 pm_runtime_get_sync(netdev->dev.parent);
729
730 e1000e_down(adapter, true);
731
732 /* We can't just free everything and then setup again, because the
733 * ISRs in MSI-X mode get passed pointers to the Tx and Rx ring
734 * structs. First, attempt to allocate new resources...
735 */
736 if (set_tx) {
737 memcpy(temp_tx, adapter->tx_ring, size);
738 temp_tx->count = new_tx_count;
739 err = e1000e_setup_tx_resources(temp_tx);
740 if (err)
741 goto err_setup;
742 }
743 if (set_rx) {
744 memcpy(temp_rx, adapter->rx_ring, size);
745 temp_rx->count = new_rx_count;
746 err = e1000e_setup_rx_resources(temp_rx);
747 if (err)
748 goto err_setup_rx;
749 }
750
751 /* ...then free the old resources and copy back any new ring data */
752 if (set_tx) {
753 e1000e_free_tx_resources(adapter->tx_ring);
754 memcpy(adapter->tx_ring, temp_tx, size);
755 adapter->tx_ring_count = new_tx_count;
756 }
757 if (set_rx) {
758 e1000e_free_rx_resources(adapter->rx_ring);
759 memcpy(adapter->rx_ring, temp_rx, size);
760 adapter->rx_ring_count = new_rx_count;
761 }
762
763err_setup_rx:
764 if (err && set_tx)
765 e1000e_free_tx_resources(temp_tx);
766err_setup:
767 e1000e_up(adapter);
768 pm_runtime_put_sync(netdev->dev.parent);
769free_temp:
770 vfree(temp_tx);
771 vfree(temp_rx);
772clear_reset:
773 clear_bit(__E1000_RESETTING, &adapter->state);
774 return err;
775}
776
777static bool reg_pattern_test(struct e1000_adapter *adapter, u64 *data,
778 int reg, int offset, u32 mask, u32 write)
779{
780 u32 pat, val;
781 static const u32 test[] = {
782 0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF
783 };
784 for (pat = 0; pat < ARRAY_SIZE(test); pat++) {
785 E1000_WRITE_REG_ARRAY(&adapter->hw, reg, offset,
786 (test[pat] & write));
787 val = E1000_READ_REG_ARRAY(&adapter->hw, reg, offset);
788 if (val != (test[pat] & write & mask)) {
789 e_err("pattern test failed (reg 0x%05X): got 0x%08X expected 0x%08X\n",
790 reg + (offset << 2), val,
791 (test[pat] & write & mask));
792 *data = reg;
793 return true;
794 }
795 }
796 return false;
797}
798
799static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data,
800 int reg, u32 mask, u32 write)
801{
802 u32 val;
803
804 __ew32(&adapter->hw, reg, write & mask);
805 val = __er32(&adapter->hw, reg);
806 if ((write & mask) != (val & mask)) {
807 e_err("set/check test failed (reg 0x%05X): got 0x%08X expected 0x%08X\n",
808 reg, (val & mask), (write & mask));
809 *data = reg;
810 return true;
811 }
812 return false;
813}
814
815#define REG_PATTERN_TEST_ARRAY(reg, offset, mask, write) \
816 do { \
817 if (reg_pattern_test(adapter, data, reg, offset, mask, write)) \
818 return 1; \
819 } while (0)
820#define REG_PATTERN_TEST(reg, mask, write) \
821 REG_PATTERN_TEST_ARRAY(reg, 0, mask, write)
822
823#define REG_SET_AND_CHECK(reg, mask, write) \
824 do { \
825 if (reg_set_and_check(adapter, data, reg, mask, write)) \
826 return 1; \
827 } while (0)
828
829static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data)
830{
831 struct e1000_hw *hw = &adapter->hw;
832 struct e1000_mac_info *mac = &adapter->hw.mac;
833 u32 value;
834 u32 before;
835 u32 after;
836 u32 i;
837 u32 toggle;
838 u32 mask;
839 u32 wlock_mac = 0;
840
841 /* The status register is Read Only, so a write should fail.
842 * Some bits that get toggled are ignored. There are several bits
843 * on newer hardware that are r/w.
844 */
845 switch (mac->type) {
846 case e1000_82571:
847 case e1000_82572:
848 case e1000_80003es2lan:
849 toggle = 0x7FFFF3FF;
850 break;
851 default:
852 toggle = 0x7FFFF033;
853 break;
854 }
855
856 before = er32(STATUS);
857 value = (er32(STATUS) & toggle);
858 ew32(STATUS, toggle);
859 after = er32(STATUS) & toggle;
860 if (value != after) {
861 e_err("failed STATUS register test got: 0x%08X expected: 0x%08X\n",
862 after, value);
863 *data = 1;
864 return 1;
865 }
866 /* restore previous status */
867 ew32(STATUS, before);
868
869 if (!(adapter->flags & FLAG_IS_ICH)) {
870 REG_PATTERN_TEST(E1000_FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
871 REG_PATTERN_TEST(E1000_FCAH, 0x0000FFFF, 0xFFFFFFFF);
872 REG_PATTERN_TEST(E1000_FCT, 0x0000FFFF, 0xFFFFFFFF);
873 REG_PATTERN_TEST(E1000_VET, 0x0000FFFF, 0xFFFFFFFF);
874 }
875
876 REG_PATTERN_TEST(E1000_RDTR, 0x0000FFFF, 0xFFFFFFFF);
877 REG_PATTERN_TEST(E1000_RDBAH(0), 0xFFFFFFFF, 0xFFFFFFFF);
878 REG_PATTERN_TEST(E1000_RDLEN(0), 0x000FFF80, 0x000FFFFF);
879 REG_PATTERN_TEST(E1000_RDH(0), 0x0000FFFF, 0x0000FFFF);
880 REG_PATTERN_TEST(E1000_RDT(0), 0x0000FFFF, 0x0000FFFF);
881 REG_PATTERN_TEST(E1000_FCRTH, 0x0000FFF8, 0x0000FFF8);
882 REG_PATTERN_TEST(E1000_FCTTV, 0x0000FFFF, 0x0000FFFF);
883 REG_PATTERN_TEST(E1000_TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
884 REG_PATTERN_TEST(E1000_TDBAH(0), 0xFFFFFFFF, 0xFFFFFFFF);
885 REG_PATTERN_TEST(E1000_TDLEN(0), 0x000FFF80, 0x000FFFFF);
886
887 REG_SET_AND_CHECK(E1000_RCTL, 0xFFFFFFFF, 0x00000000);
888
889 before = ((adapter->flags & FLAG_IS_ICH) ? 0x06C3B33E : 0x06DFB3FE);
890 REG_SET_AND_CHECK(E1000_RCTL, before, 0x003FFFFB);
891 REG_SET_AND_CHECK(E1000_TCTL, 0xFFFFFFFF, 0x00000000);
892
893 REG_SET_AND_CHECK(E1000_RCTL, before, 0xFFFFFFFF);
894 REG_PATTERN_TEST(E1000_RDBAL(0), 0xFFFFFFF0, 0xFFFFFFFF);
895 if (!(adapter->flags & FLAG_IS_ICH))
896 REG_PATTERN_TEST(E1000_TXCW, 0xC000FFFF, 0x0000FFFF);
897 REG_PATTERN_TEST(E1000_TDBAL(0), 0xFFFFFFF0, 0xFFFFFFFF);
898 REG_PATTERN_TEST(E1000_TIDV, 0x0000FFFF, 0x0000FFFF);
899 mask = 0x8003FFFF;
900 switch (mac->type) {
901 case e1000_ich10lan:
902 case e1000_pchlan:
903 case e1000_pch2lan:
904 case e1000_pch_lpt:
905 case e1000_pch_spt:
906 case e1000_pch_cnp:
907 case e1000_pch_tgp:
908 case e1000_pch_adp:
909 case e1000_pch_mtp:
910 case e1000_pch_lnp:
911 case e1000_pch_ptp:
912 mask |= BIT(18);
913 break;
914 default:
915 break;
916 }
917
918 if (mac->type >= e1000_pch_lpt)
919 wlock_mac = (er32(FWSM) & E1000_FWSM_WLOCK_MAC_MASK) >>
920 E1000_FWSM_WLOCK_MAC_SHIFT;
921
922 for (i = 0; i < mac->rar_entry_count; i++) {
923 if (mac->type >= e1000_pch_lpt) {
924 /* Cannot test write-protected SHRAL[n] registers */
925 if ((wlock_mac == 1) || (wlock_mac && (i > wlock_mac)))
926 continue;
927
928 /* SHRAH[9] different than the others */
929 if (i == 10)
930 mask |= BIT(30);
931 else
932 mask &= ~BIT(30);
933 }
934 if (mac->type == e1000_pch2lan) {
935 /* SHRAH[0,1,2] different than previous */
936 if (i == 1)
937 mask &= 0xFFF4FFFF;
938 /* SHRAH[3] different than SHRAH[0,1,2] */
939 if (i == 4)
940 mask |= BIT(30);
941 /* RAR[1-6] owned by management engine - skipping */
942 if (i > 0)
943 i += 6;
944 }
945
946 REG_PATTERN_TEST_ARRAY(E1000_RA, ((i << 1) + 1), mask,
947 0xFFFFFFFF);
948 /* reset index to actual value */
949 if ((mac->type == e1000_pch2lan) && (i > 6))
950 i -= 6;
951 }
952
953 for (i = 0; i < mac->mta_reg_count; i++)
954 REG_PATTERN_TEST_ARRAY(E1000_MTA, i, 0xFFFFFFFF, 0xFFFFFFFF);
955
956 *data = 0;
957
958 return 0;
959}
960
961static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data)
962{
963 u16 temp;
964 u16 checksum = 0;
965 u16 i;
966
967 *data = 0;
968 /* Read and add up the contents of the EEPROM */
969 for (i = 0; i < (NVM_CHECKSUM_REG + 1); i++) {
970 if ((e1000_read_nvm(&adapter->hw, i, 1, &temp)) < 0) {
971 *data = 1;
972 return *data;
973 }
974 checksum += temp;
975 }
976
977 /* If Checksum is not Correct return error else test passed */
978 if ((checksum != (u16)NVM_SUM) && !(*data))
979 *data = 2;
980
981 return *data;
982}
983
984static irqreturn_t e1000_test_intr(int __always_unused irq, void *data)
985{
986 struct net_device *netdev = (struct net_device *)data;
987 struct e1000_adapter *adapter = netdev_priv(netdev);
988 struct e1000_hw *hw = &adapter->hw;
989
990 adapter->test_icr |= er32(ICR);
991
992 return IRQ_HANDLED;
993}
994
995static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data)
996{
997 struct net_device *netdev = adapter->netdev;
998 struct e1000_hw *hw = &adapter->hw;
999 u32 mask;
1000 u32 shared_int = 1;
1001 u32 irq = adapter->pdev->irq;
1002 int i;
1003 int ret_val = 0;
1004 int int_mode = E1000E_INT_MODE_LEGACY;
1005
1006 *data = 0;
1007
1008 /* NOTE: we don't test MSI/MSI-X interrupts here, yet */
1009 if (adapter->int_mode == E1000E_INT_MODE_MSIX) {
1010 int_mode = adapter->int_mode;
1011 e1000e_reset_interrupt_capability(adapter);
1012 adapter->int_mode = E1000E_INT_MODE_LEGACY;
1013 e1000e_set_interrupt_capability(adapter);
1014 }
1015 /* Hook up test interrupt handler just for this test */
1016 if (!request_irq(irq, e1000_test_intr, IRQF_PROBE_SHARED, netdev->name,
1017 netdev)) {
1018 shared_int = 0;
1019 } else if (request_irq(irq, e1000_test_intr, IRQF_SHARED, netdev->name,
1020 netdev)) {
1021 *data = 1;
1022 ret_val = -1;
1023 goto out;
1024 }
1025 e_info("testing %s interrupt\n", (shared_int ? "shared" : "unshared"));
1026
1027 /* Disable all the interrupts */
1028 ew32(IMC, 0xFFFFFFFF);
1029 e1e_flush();
1030 usleep_range(10000, 11000);
1031
1032 /* Test each interrupt */
1033 for (i = 0; i < 10; i++) {
1034 /* Interrupt to test */
1035 mask = BIT(i);
1036
1037 if (adapter->flags & FLAG_IS_ICH) {
1038 switch (mask) {
1039 case E1000_ICR_RXSEQ:
1040 continue;
1041 case 0x00000100:
1042 if (adapter->hw.mac.type == e1000_ich8lan ||
1043 adapter->hw.mac.type == e1000_ich9lan)
1044 continue;
1045 break;
1046 default:
1047 break;
1048 }
1049 }
1050
1051 if (!shared_int) {
1052 /* Disable the interrupt to be reported in
1053 * the cause register and then force the same
1054 * interrupt and see if one gets posted. If
1055 * an interrupt was posted to the bus, the
1056 * test failed.
1057 */
1058 adapter->test_icr = 0;
1059 ew32(IMC, mask);
1060 ew32(ICS, mask);
1061 e1e_flush();
1062 usleep_range(10000, 11000);
1063
1064 if (adapter->test_icr & mask) {
1065 *data = 3;
1066 break;
1067 }
1068 }
1069
1070 /* Enable the interrupt to be reported in
1071 * the cause register and then force the same
1072 * interrupt and see if one gets posted. If
1073 * an interrupt was not posted to the bus, the
1074 * test failed.
1075 */
1076 adapter->test_icr = 0;
1077 ew32(IMS, mask);
1078 ew32(ICS, mask);
1079 e1e_flush();
1080 usleep_range(10000, 11000);
1081
1082 if (!(adapter->test_icr & mask)) {
1083 *data = 4;
1084 break;
1085 }
1086
1087 if (!shared_int) {
1088 /* Disable the other interrupts to be reported in
1089 * the cause register and then force the other
1090 * interrupts and see if any get posted. If
1091 * an interrupt was posted to the bus, the
1092 * test failed.
1093 */
1094 adapter->test_icr = 0;
1095 ew32(IMC, ~mask & 0x00007FFF);
1096 ew32(ICS, ~mask & 0x00007FFF);
1097 e1e_flush();
1098 usleep_range(10000, 11000);
1099
1100 if (adapter->test_icr) {
1101 *data = 5;
1102 break;
1103 }
1104 }
1105 }
1106
1107 /* Disable all the interrupts */
1108 ew32(IMC, 0xFFFFFFFF);
1109 e1e_flush();
1110 usleep_range(10000, 11000);
1111
1112 /* Unhook test interrupt handler */
1113 free_irq(irq, netdev);
1114
1115out:
1116 if (int_mode == E1000E_INT_MODE_MSIX) {
1117 e1000e_reset_interrupt_capability(adapter);
1118 adapter->int_mode = int_mode;
1119 e1000e_set_interrupt_capability(adapter);
1120 }
1121
1122 return ret_val;
1123}
1124
1125static void e1000_free_desc_rings(struct e1000_adapter *adapter)
1126{
1127 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1128 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1129 struct pci_dev *pdev = adapter->pdev;
1130 struct e1000_buffer *buffer_info;
1131 int i;
1132
1133 if (tx_ring->desc && tx_ring->buffer_info) {
1134 for (i = 0; i < tx_ring->count; i++) {
1135 buffer_info = &tx_ring->buffer_info[i];
1136
1137 if (buffer_info->dma)
1138 dma_unmap_single(&pdev->dev,
1139 buffer_info->dma,
1140 buffer_info->length,
1141 DMA_TO_DEVICE);
1142 dev_kfree_skb(buffer_info->skb);
1143 }
1144 }
1145
1146 if (rx_ring->desc && rx_ring->buffer_info) {
1147 for (i = 0; i < rx_ring->count; i++) {
1148 buffer_info = &rx_ring->buffer_info[i];
1149
1150 if (buffer_info->dma)
1151 dma_unmap_single(&pdev->dev,
1152 buffer_info->dma,
1153 2048, DMA_FROM_DEVICE);
1154 dev_kfree_skb(buffer_info->skb);
1155 }
1156 }
1157
1158 if (tx_ring->desc) {
1159 dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc,
1160 tx_ring->dma);
1161 tx_ring->desc = NULL;
1162 }
1163 if (rx_ring->desc) {
1164 dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc,
1165 rx_ring->dma);
1166 rx_ring->desc = NULL;
1167 }
1168
1169 kfree(tx_ring->buffer_info);
1170 tx_ring->buffer_info = NULL;
1171 kfree(rx_ring->buffer_info);
1172 rx_ring->buffer_info = NULL;
1173}
1174
1175static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
1176{
1177 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1178 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1179 struct pci_dev *pdev = adapter->pdev;
1180 struct e1000_hw *hw = &adapter->hw;
1181 u32 rctl;
1182 int i;
1183 int ret_val;
1184
1185 /* Setup Tx descriptor ring and Tx buffers */
1186
1187 if (!tx_ring->count)
1188 tx_ring->count = E1000_DEFAULT_TXD;
1189
1190 tx_ring->buffer_info = kcalloc(tx_ring->count,
1191 sizeof(struct e1000_buffer), GFP_KERNEL);
1192 if (!tx_ring->buffer_info) {
1193 ret_val = 1;
1194 goto err_nomem;
1195 }
1196
1197 tx_ring->size = tx_ring->count * sizeof(struct e1000_tx_desc);
1198 tx_ring->size = ALIGN(tx_ring->size, 4096);
1199 tx_ring->desc = dma_alloc_coherent(&pdev->dev, tx_ring->size,
1200 &tx_ring->dma, GFP_KERNEL);
1201 if (!tx_ring->desc) {
1202 ret_val = 2;
1203 goto err_nomem;
1204 }
1205 tx_ring->next_to_use = 0;
1206 tx_ring->next_to_clean = 0;
1207
1208 ew32(TDBAL(0), ((u64)tx_ring->dma & 0x00000000FFFFFFFF));
1209 ew32(TDBAH(0), ((u64)tx_ring->dma >> 32));
1210 ew32(TDLEN(0), tx_ring->count * sizeof(struct e1000_tx_desc));
1211 ew32(TDH(0), 0);
1212 ew32(TDT(0), 0);
1213 ew32(TCTL, E1000_TCTL_PSP | E1000_TCTL_EN | E1000_TCTL_MULR |
1214 E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
1215 E1000_COLLISION_DISTANCE << E1000_COLD_SHIFT);
1216
1217 for (i = 0; i < tx_ring->count; i++) {
1218 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*tx_ring, i);
1219 struct sk_buff *skb;
1220 unsigned int skb_size = 1024;
1221
1222 skb = alloc_skb(skb_size, GFP_KERNEL);
1223 if (!skb) {
1224 ret_val = 3;
1225 goto err_nomem;
1226 }
1227 skb_put(skb, skb_size);
1228 tx_ring->buffer_info[i].skb = skb;
1229 tx_ring->buffer_info[i].length = skb->len;
1230 tx_ring->buffer_info[i].dma =
1231 dma_map_single(&pdev->dev, skb->data, skb->len,
1232 DMA_TO_DEVICE);
1233 if (dma_mapping_error(&pdev->dev,
1234 tx_ring->buffer_info[i].dma)) {
1235 ret_val = 4;
1236 goto err_nomem;
1237 }
1238 tx_desc->buffer_addr = cpu_to_le64(tx_ring->buffer_info[i].dma);
1239 tx_desc->lower.data = cpu_to_le32(skb->len);
1240 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
1241 E1000_TXD_CMD_IFCS |
1242 E1000_TXD_CMD_RS);
1243 tx_desc->upper.data = 0;
1244 }
1245
1246 /* Setup Rx descriptor ring and Rx buffers */
1247
1248 if (!rx_ring->count)
1249 rx_ring->count = E1000_DEFAULT_RXD;
1250
1251 rx_ring->buffer_info = kcalloc(rx_ring->count,
1252 sizeof(struct e1000_buffer), GFP_KERNEL);
1253 if (!rx_ring->buffer_info) {
1254 ret_val = 5;
1255 goto err_nomem;
1256 }
1257
1258 rx_ring->size = rx_ring->count * sizeof(union e1000_rx_desc_extended);
1259 rx_ring->desc = dma_alloc_coherent(&pdev->dev, rx_ring->size,
1260 &rx_ring->dma, GFP_KERNEL);
1261 if (!rx_ring->desc) {
1262 ret_val = 6;
1263 goto err_nomem;
1264 }
1265 rx_ring->next_to_use = 0;
1266 rx_ring->next_to_clean = 0;
1267
1268 rctl = er32(RCTL);
1269 if (!(adapter->flags2 & FLAG2_NO_DISABLE_RX))
1270 ew32(RCTL, rctl & ~E1000_RCTL_EN);
1271 ew32(RDBAL(0), ((u64)rx_ring->dma & 0xFFFFFFFF));
1272 ew32(RDBAH(0), ((u64)rx_ring->dma >> 32));
1273 ew32(RDLEN(0), rx_ring->size);
1274 ew32(RDH(0), 0);
1275 ew32(RDT(0), 0);
1276 rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
1277 E1000_RCTL_UPE | E1000_RCTL_MPE | E1000_RCTL_LPE |
1278 E1000_RCTL_SBP | E1000_RCTL_SECRC |
1279 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
1280 (adapter->hw.mac.mc_filter_type << E1000_RCTL_MO_SHIFT);
1281 ew32(RCTL, rctl);
1282
1283 for (i = 0; i < rx_ring->count; i++) {
1284 union e1000_rx_desc_extended *rx_desc;
1285 struct sk_buff *skb;
1286
1287 skb = alloc_skb(2048 + NET_IP_ALIGN, GFP_KERNEL);
1288 if (!skb) {
1289 ret_val = 7;
1290 goto err_nomem;
1291 }
1292 skb_reserve(skb, NET_IP_ALIGN);
1293 rx_ring->buffer_info[i].skb = skb;
1294 rx_ring->buffer_info[i].dma =
1295 dma_map_single(&pdev->dev, skb->data, 2048,
1296 DMA_FROM_DEVICE);
1297 if (dma_mapping_error(&pdev->dev,
1298 rx_ring->buffer_info[i].dma)) {
1299 ret_val = 8;
1300 goto err_nomem;
1301 }
1302 rx_desc = E1000_RX_DESC_EXT(*rx_ring, i);
1303 rx_desc->read.buffer_addr =
1304 cpu_to_le64(rx_ring->buffer_info[i].dma);
1305 memset(skb->data, 0x00, skb->len);
1306 }
1307
1308 return 0;
1309
1310err_nomem:
1311 e1000_free_desc_rings(adapter);
1312 return ret_val;
1313}
1314
1315static void e1000_phy_disable_receiver(struct e1000_adapter *adapter)
1316{
1317 /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1318 e1e_wphy(&adapter->hw, 29, 0x001F);
1319 e1e_wphy(&adapter->hw, 30, 0x8FFC);
1320 e1e_wphy(&adapter->hw, 29, 0x001A);
1321 e1e_wphy(&adapter->hw, 30, 0x8FF0);
1322}
1323
1324static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
1325{
1326 struct e1000_hw *hw = &adapter->hw;
1327 u32 ctrl_reg = 0;
1328 u16 phy_reg = 0;
1329 s32 ret_val = 0;
1330
1331 hw->mac.autoneg = 0;
1332
1333 if (hw->phy.type == e1000_phy_ife) {
1334 /* force 100, set loopback */
1335 e1e_wphy(hw, MII_BMCR, 0x6100);
1336
1337 /* Now set up the MAC to the same speed/duplex as the PHY. */
1338 ctrl_reg = er32(CTRL);
1339 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1340 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1341 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1342 E1000_CTRL_SPD_100 |/* Force Speed to 100 */
1343 E1000_CTRL_FD); /* Force Duplex to FULL */
1344
1345 ew32(CTRL, ctrl_reg);
1346 e1e_flush();
1347 usleep_range(500, 1000);
1348
1349 return 0;
1350 }
1351
1352 /* Specific PHY configuration for loopback */
1353 switch (hw->phy.type) {
1354 case e1000_phy_m88:
1355 /* Auto-MDI/MDIX Off */
1356 e1e_wphy(hw, M88E1000_PHY_SPEC_CTRL, 0x0808);
1357 /* reset to update Auto-MDI/MDIX */
1358 e1e_wphy(hw, MII_BMCR, 0x9140);
1359 /* autoneg off */
1360 e1e_wphy(hw, MII_BMCR, 0x8140);
1361 break;
1362 case e1000_phy_gg82563:
1363 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x1CC);
1364 break;
1365 case e1000_phy_bm:
1366 /* Set Default MAC Interface speed to 1GB */
1367 e1e_rphy(hw, PHY_REG(2, 21), &phy_reg);
1368 phy_reg &= ~0x0007;
1369 phy_reg |= 0x006;
1370 e1e_wphy(hw, PHY_REG(2, 21), phy_reg);
1371 /* Assert SW reset for above settings to take effect */
1372 hw->phy.ops.commit(hw);
1373 usleep_range(1000, 2000);
1374 /* Force Full Duplex */
1375 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg);
1376 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x000C);
1377 /* Set Link Up (in force link) */
1378 e1e_rphy(hw, PHY_REG(776, 16), &phy_reg);
1379 e1e_wphy(hw, PHY_REG(776, 16), phy_reg | 0x0040);
1380 /* Force Link */
1381 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg);
1382 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x0040);
1383 /* Set Early Link Enable */
1384 e1e_rphy(hw, PHY_REG(769, 20), &phy_reg);
1385 e1e_wphy(hw, PHY_REG(769, 20), phy_reg | 0x0400);
1386 break;
1387 case e1000_phy_82577:
1388 case e1000_phy_82578:
1389 /* Workaround: K1 must be disabled for stable 1Gbps operation */
1390 ret_val = hw->phy.ops.acquire(hw);
1391 if (ret_val) {
1392 e_err("Cannot setup 1Gbps loopback.\n");
1393 return ret_val;
1394 }
1395 e1000_configure_k1_ich8lan(hw, false);
1396 hw->phy.ops.release(hw);
1397 break;
1398 case e1000_phy_82579:
1399 /* Disable PHY energy detect power down */
1400 e1e_rphy(hw, PHY_REG(0, 21), &phy_reg);
1401 e1e_wphy(hw, PHY_REG(0, 21), phy_reg & ~BIT(3));
1402 /* Disable full chip energy detect */
1403 e1e_rphy(hw, PHY_REG(776, 18), &phy_reg);
1404 e1e_wphy(hw, PHY_REG(776, 18), phy_reg | 1);
1405 /* Enable loopback on the PHY */
1406 e1e_wphy(hw, I82577_PHY_LBK_CTRL, 0x8001);
1407 break;
1408 default:
1409 break;
1410 }
1411
1412 /* force 1000, set loopback */
1413 e1e_wphy(hw, MII_BMCR, 0x4140);
1414 msleep(250);
1415
1416 /* Now set up the MAC to the same speed/duplex as the PHY. */
1417 ctrl_reg = er32(CTRL);
1418 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1419 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1420 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1421 E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
1422 E1000_CTRL_FD); /* Force Duplex to FULL */
1423
1424 if (adapter->flags & FLAG_IS_ICH)
1425 ctrl_reg |= E1000_CTRL_SLU; /* Set Link Up */
1426
1427 if (hw->phy.media_type == e1000_media_type_copper &&
1428 hw->phy.type == e1000_phy_m88) {
1429 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
1430 } else {
1431 /* Set the ILOS bit on the fiber Nic if half duplex link is
1432 * detected.
1433 */
1434 if ((er32(STATUS) & E1000_STATUS_FD) == 0)
1435 ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
1436 }
1437
1438 ew32(CTRL, ctrl_reg);
1439
1440 /* Disable the receiver on the PHY so when a cable is plugged in, the
1441 * PHY does not begin to autoneg when a cable is reconnected to the NIC.
1442 */
1443 if (hw->phy.type == e1000_phy_m88)
1444 e1000_phy_disable_receiver(adapter);
1445
1446 usleep_range(500, 1000);
1447
1448 return 0;
1449}
1450
1451static int e1000_set_82571_fiber_loopback(struct e1000_adapter *adapter)
1452{
1453 struct e1000_hw *hw = &adapter->hw;
1454 u32 ctrl = er32(CTRL);
1455 int link;
1456
1457 /* special requirements for 82571/82572 fiber adapters */
1458
1459 /* jump through hoops to make sure link is up because serdes
1460 * link is hardwired up
1461 */
1462 ctrl |= E1000_CTRL_SLU;
1463 ew32(CTRL, ctrl);
1464
1465 /* disable autoneg */
1466 ctrl = er32(TXCW);
1467 ctrl &= ~BIT(31);
1468 ew32(TXCW, ctrl);
1469
1470 link = (er32(STATUS) & E1000_STATUS_LU);
1471
1472 if (!link) {
1473 /* set invert loss of signal */
1474 ctrl = er32(CTRL);
1475 ctrl |= E1000_CTRL_ILOS;
1476 ew32(CTRL, ctrl);
1477 }
1478
1479 /* special write to serdes control register to enable SerDes analog
1480 * loopback
1481 */
1482 ew32(SCTL, E1000_SCTL_ENABLE_SERDES_LOOPBACK);
1483 e1e_flush();
1484 usleep_range(10000, 11000);
1485
1486 return 0;
1487}
1488
1489/* only call this for fiber/serdes connections to es2lan */
1490static int e1000_set_es2lan_mac_loopback(struct e1000_adapter *adapter)
1491{
1492 struct e1000_hw *hw = &adapter->hw;
1493 u32 ctrlext = er32(CTRL_EXT);
1494 u32 ctrl = er32(CTRL);
1495
1496 /* save CTRL_EXT to restore later, reuse an empty variable (unused
1497 * on mac_type 80003es2lan)
1498 */
1499 adapter->tx_fifo_head = ctrlext;
1500
1501 /* clear the serdes mode bits, putting the device into mac loopback */
1502 ctrlext &= ~E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES;
1503 ew32(CTRL_EXT, ctrlext);
1504
1505 /* force speed to 1000/FD, link up */
1506 ctrl &= ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100);
1507 ctrl |= (E1000_CTRL_SLU | E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX |
1508 E1000_CTRL_SPD_1000 | E1000_CTRL_FD);
1509 ew32(CTRL, ctrl);
1510
1511 /* set mac loopback */
1512 ctrl = er32(RCTL);
1513 ctrl |= E1000_RCTL_LBM_MAC;
1514 ew32(RCTL, ctrl);
1515
1516 /* set testing mode parameters (no need to reset later) */
1517#define KMRNCTRLSTA_OPMODE (0x1F << 16)
1518#define KMRNCTRLSTA_OPMODE_1GB_FD_GMII 0x0582
1519 ew32(KMRNCTRLSTA,
1520 (KMRNCTRLSTA_OPMODE | KMRNCTRLSTA_OPMODE_1GB_FD_GMII));
1521
1522 return 0;
1523}
1524
1525static int e1000_setup_loopback_test(struct e1000_adapter *adapter)
1526{
1527 struct e1000_hw *hw = &adapter->hw;
1528 u32 rctl, fext_nvm11, tarc0;
1529
1530 if (hw->mac.type >= e1000_pch_spt) {
1531 fext_nvm11 = er32(FEXTNVM11);
1532 fext_nvm11 |= E1000_FEXTNVM11_DISABLE_MULR_FIX;
1533 ew32(FEXTNVM11, fext_nvm11);
1534 tarc0 = er32(TARC(0));
1535 /* clear bits 28 & 29 (control of MULR concurrent requests) */
1536 tarc0 &= 0xcfffffff;
1537 /* set bit 29 (value of MULR requests is now 2) */
1538 tarc0 |= 0x20000000;
1539 ew32(TARC(0), tarc0);
1540 }
1541 if (hw->phy.media_type == e1000_media_type_fiber ||
1542 hw->phy.media_type == e1000_media_type_internal_serdes) {
1543 switch (hw->mac.type) {
1544 case e1000_80003es2lan:
1545 return e1000_set_es2lan_mac_loopback(adapter);
1546 case e1000_82571:
1547 case e1000_82572:
1548 return e1000_set_82571_fiber_loopback(adapter);
1549 default:
1550 rctl = er32(RCTL);
1551 rctl |= E1000_RCTL_LBM_TCVR;
1552 ew32(RCTL, rctl);
1553 return 0;
1554 }
1555 } else if (hw->phy.media_type == e1000_media_type_copper) {
1556 return e1000_integrated_phy_loopback(adapter);
1557 }
1558
1559 return 7;
1560}
1561
1562static void e1000_loopback_cleanup(struct e1000_adapter *adapter)
1563{
1564 struct e1000_hw *hw = &adapter->hw;
1565 u32 rctl, fext_nvm11, tarc0;
1566 u16 phy_reg;
1567
1568 rctl = er32(RCTL);
1569 rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
1570 ew32(RCTL, rctl);
1571
1572 switch (hw->mac.type) {
1573 case e1000_pch_spt:
1574 case e1000_pch_cnp:
1575 case e1000_pch_tgp:
1576 case e1000_pch_adp:
1577 case e1000_pch_mtp:
1578 case e1000_pch_lnp:
1579 case e1000_pch_ptp:
1580 fext_nvm11 = er32(FEXTNVM11);
1581 fext_nvm11 &= ~E1000_FEXTNVM11_DISABLE_MULR_FIX;
1582 ew32(FEXTNVM11, fext_nvm11);
1583 tarc0 = er32(TARC(0));
1584 /* clear bits 28 & 29 (control of MULR concurrent requests) */
1585 /* set bit 29 (value of MULR requests is now 0) */
1586 tarc0 &= 0xcfffffff;
1587 ew32(TARC(0), tarc0);
1588 fallthrough;
1589 case e1000_80003es2lan:
1590 if (hw->phy.media_type == e1000_media_type_fiber ||
1591 hw->phy.media_type == e1000_media_type_internal_serdes) {
1592 /* restore CTRL_EXT, stealing space from tx_fifo_head */
1593 ew32(CTRL_EXT, adapter->tx_fifo_head);
1594 adapter->tx_fifo_head = 0;
1595 }
1596 fallthrough;
1597 case e1000_82571:
1598 case e1000_82572:
1599 if (hw->phy.media_type == e1000_media_type_fiber ||
1600 hw->phy.media_type == e1000_media_type_internal_serdes) {
1601 ew32(SCTL, E1000_SCTL_DISABLE_SERDES_LOOPBACK);
1602 e1e_flush();
1603 usleep_range(10000, 11000);
1604 break;
1605 }
1606 fallthrough;
1607 default:
1608 hw->mac.autoneg = 1;
1609 if (hw->phy.type == e1000_phy_gg82563)
1610 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x180);
1611 e1e_rphy(hw, MII_BMCR, &phy_reg);
1612 if (phy_reg & BMCR_LOOPBACK) {
1613 phy_reg &= ~BMCR_LOOPBACK;
1614 e1e_wphy(hw, MII_BMCR, phy_reg);
1615 if (hw->phy.ops.commit)
1616 hw->phy.ops.commit(hw);
1617 }
1618 break;
1619 }
1620}
1621
1622static void e1000_create_lbtest_frame(struct sk_buff *skb,
1623 unsigned int frame_size)
1624{
1625 memset(skb->data, 0xFF, frame_size);
1626 frame_size &= ~1;
1627 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1628 skb->data[frame_size / 2 + 10] = 0xBE;
1629 skb->data[frame_size / 2 + 12] = 0xAF;
1630}
1631
1632static int e1000_check_lbtest_frame(struct sk_buff *skb,
1633 unsigned int frame_size)
1634{
1635 frame_size &= ~1;
1636 if (*(skb->data + 3) == 0xFF)
1637 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
1638 (*(skb->data + frame_size / 2 + 12) == 0xAF))
1639 return 0;
1640 return 13;
1641}
1642
1643static int e1000_run_loopback_test(struct e1000_adapter *adapter)
1644{
1645 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1646 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1647 struct pci_dev *pdev = adapter->pdev;
1648 struct e1000_hw *hw = &adapter->hw;
1649 struct e1000_buffer *buffer_info;
1650 int i, j, k, l;
1651 int lc;
1652 int good_cnt;
1653 int ret_val = 0;
1654 unsigned long time;
1655
1656 ew32(RDT(0), rx_ring->count - 1);
1657
1658 /* Calculate the loop count based on the largest descriptor ring
1659 * The idea is to wrap the largest ring a number of times using 64
1660 * send/receive pairs during each loop
1661 */
1662
1663 if (rx_ring->count <= tx_ring->count)
1664 lc = ((tx_ring->count / 64) * 2) + 1;
1665 else
1666 lc = ((rx_ring->count / 64) * 2) + 1;
1667
1668 k = 0;
1669 l = 0;
1670 /* loop count loop */
1671 for (j = 0; j <= lc; j++) {
1672 /* send the packets */
1673 for (i = 0; i < 64; i++) {
1674 buffer_info = &tx_ring->buffer_info[k];
1675
1676 e1000_create_lbtest_frame(buffer_info->skb, 1024);
1677 dma_sync_single_for_device(&pdev->dev,
1678 buffer_info->dma,
1679 buffer_info->length,
1680 DMA_TO_DEVICE);
1681 k++;
1682 if (k == tx_ring->count)
1683 k = 0;
1684 }
1685 ew32(TDT(0), k);
1686 e1e_flush();
1687 msleep(200);
1688 time = jiffies; /* set the start time for the receive */
1689 good_cnt = 0;
1690 /* receive the sent packets */
1691 do {
1692 buffer_info = &rx_ring->buffer_info[l];
1693
1694 dma_sync_single_for_cpu(&pdev->dev,
1695 buffer_info->dma, 2048,
1696 DMA_FROM_DEVICE);
1697
1698 ret_val = e1000_check_lbtest_frame(buffer_info->skb,
1699 1024);
1700 if (!ret_val)
1701 good_cnt++;
1702 l++;
1703 if (l == rx_ring->count)
1704 l = 0;
1705 /* time + 20 msecs (200 msecs on 2.4) is more than
1706 * enough time to complete the receives, if it's
1707 * exceeded, break and error off
1708 */
1709 } while ((good_cnt < 64) && !time_after(jiffies, time + 20));
1710 if (good_cnt != 64) {
1711 ret_val = 13; /* ret_val is the same as mis-compare */
1712 break;
1713 }
1714 if (time_after(jiffies, time + 20)) {
1715 ret_val = 14; /* error code for time out error */
1716 break;
1717 }
1718 }
1719 return ret_val;
1720}
1721
1722static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data)
1723{
1724 struct e1000_hw *hw = &adapter->hw;
1725
1726 /* PHY loopback cannot be performed if SoL/IDER sessions are active */
1727 if (hw->phy.ops.check_reset_block &&
1728 hw->phy.ops.check_reset_block(hw)) {
1729 e_err("Cannot do PHY loopback test when SoL/IDER is active.\n");
1730 *data = 0;
1731 goto out;
1732 }
1733
1734 *data = e1000_setup_desc_rings(adapter);
1735 if (*data)
1736 goto out;
1737
1738 *data = e1000_setup_loopback_test(adapter);
1739 if (*data)
1740 goto err_loopback;
1741
1742 *data = e1000_run_loopback_test(adapter);
1743 e1000_loopback_cleanup(adapter);
1744
1745err_loopback:
1746 e1000_free_desc_rings(adapter);
1747out:
1748 return *data;
1749}
1750
1751static int e1000_link_test(struct e1000_adapter *adapter, u64 *data)
1752{
1753 struct e1000_hw *hw = &adapter->hw;
1754
1755 *data = 0;
1756 if (hw->phy.media_type == e1000_media_type_internal_serdes) {
1757 int i = 0;
1758
1759 hw->mac.serdes_has_link = false;
1760
1761 /* On some blade server designs, link establishment
1762 * could take as long as 2-3 minutes
1763 */
1764 do {
1765 hw->mac.ops.check_for_link(hw);
1766 if (hw->mac.serdes_has_link)
1767 return *data;
1768 msleep(20);
1769 } while (i++ < 3750);
1770
1771 *data = 1;
1772 } else {
1773 hw->mac.ops.check_for_link(hw);
1774 if (hw->mac.autoneg)
1775 /* On some Phy/switch combinations, link establishment
1776 * can take a few seconds more than expected.
1777 */
1778 msleep_interruptible(5000);
1779
1780 if (!(er32(STATUS) & E1000_STATUS_LU))
1781 *data = 1;
1782 }
1783 return *data;
1784}
1785
1786static int e1000e_get_sset_count(struct net_device __always_unused *netdev,
1787 int sset)
1788{
1789 switch (sset) {
1790 case ETH_SS_TEST:
1791 return E1000_TEST_LEN;
1792 case ETH_SS_STATS:
1793 return E1000_STATS_LEN;
1794 case ETH_SS_PRIV_FLAGS:
1795 return E1000E_PRIV_FLAGS_STR_LEN;
1796 default:
1797 return -EOPNOTSUPP;
1798 }
1799}
1800
1801static void e1000_diag_test(struct net_device *netdev,
1802 struct ethtool_test *eth_test, u64 *data)
1803{
1804 struct e1000_adapter *adapter = netdev_priv(netdev);
1805 u16 autoneg_advertised;
1806 u8 forced_speed_duplex;
1807 u8 autoneg;
1808 bool if_running = netif_running(netdev);
1809
1810 pm_runtime_get_sync(netdev->dev.parent);
1811
1812 set_bit(__E1000_TESTING, &adapter->state);
1813
1814 if (!if_running) {
1815 /* Get control of and reset hardware */
1816 if (adapter->flags & FLAG_HAS_AMT)
1817 e1000e_get_hw_control(adapter);
1818
1819 e1000e_power_up_phy(adapter);
1820
1821 adapter->hw.phy.autoneg_wait_to_complete = 1;
1822 e1000e_reset(adapter);
1823 adapter->hw.phy.autoneg_wait_to_complete = 0;
1824 }
1825
1826 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1827 /* Offline tests */
1828
1829 /* save speed, duplex, autoneg settings */
1830 autoneg_advertised = adapter->hw.phy.autoneg_advertised;
1831 forced_speed_duplex = adapter->hw.mac.forced_speed_duplex;
1832 autoneg = adapter->hw.mac.autoneg;
1833
1834 e_info("offline testing starting\n");
1835
1836 if (if_running)
1837 /* indicate we're in test mode */
1838 e1000e_close(netdev);
1839
1840 if (e1000_reg_test(adapter, &data[0]))
1841 eth_test->flags |= ETH_TEST_FL_FAILED;
1842
1843 e1000e_reset(adapter);
1844 if (e1000_eeprom_test(adapter, &data[1]))
1845 eth_test->flags |= ETH_TEST_FL_FAILED;
1846
1847 e1000e_reset(adapter);
1848 if (e1000_intr_test(adapter, &data[2]))
1849 eth_test->flags |= ETH_TEST_FL_FAILED;
1850
1851 e1000e_reset(adapter);
1852 if (e1000_loopback_test(adapter, &data[3]))
1853 eth_test->flags |= ETH_TEST_FL_FAILED;
1854
1855 /* force this routine to wait until autoneg complete/timeout */
1856 adapter->hw.phy.autoneg_wait_to_complete = 1;
1857 e1000e_reset(adapter);
1858 adapter->hw.phy.autoneg_wait_to_complete = 0;
1859
1860 if (e1000_link_test(adapter, &data[4]))
1861 eth_test->flags |= ETH_TEST_FL_FAILED;
1862
1863 /* restore speed, duplex, autoneg settings */
1864 adapter->hw.phy.autoneg_advertised = autoneg_advertised;
1865 adapter->hw.mac.forced_speed_duplex = forced_speed_duplex;
1866 adapter->hw.mac.autoneg = autoneg;
1867 e1000e_reset(adapter);
1868
1869 clear_bit(__E1000_TESTING, &adapter->state);
1870 if (if_running)
1871 e1000e_open(netdev);
1872 } else {
1873 /* Online tests */
1874
1875 e_info("online testing starting\n");
1876
1877 /* register, eeprom, intr and loopback tests not run online */
1878 data[0] = 0;
1879 data[1] = 0;
1880 data[2] = 0;
1881 data[3] = 0;
1882
1883 if (e1000_link_test(adapter, &data[4]))
1884 eth_test->flags |= ETH_TEST_FL_FAILED;
1885
1886 clear_bit(__E1000_TESTING, &adapter->state);
1887 }
1888
1889 if (!if_running) {
1890 e1000e_reset(adapter);
1891
1892 if (adapter->flags & FLAG_HAS_AMT)
1893 e1000e_release_hw_control(adapter);
1894 }
1895
1896 msleep_interruptible(4 * 1000);
1897
1898 pm_runtime_put_sync(netdev->dev.parent);
1899}
1900
1901static void e1000_get_wol(struct net_device *netdev,
1902 struct ethtool_wolinfo *wol)
1903{
1904 struct e1000_adapter *adapter = netdev_priv(netdev);
1905
1906 wol->supported = 0;
1907 wol->wolopts = 0;
1908
1909 if (!(adapter->flags & FLAG_HAS_WOL) ||
1910 !device_can_wakeup(&adapter->pdev->dev))
1911 return;
1912
1913 wol->supported = WAKE_UCAST | WAKE_MCAST |
1914 WAKE_BCAST | WAKE_MAGIC | WAKE_PHY;
1915
1916 /* apply any specific unsupported masks here */
1917 if (adapter->flags & FLAG_NO_WAKE_UCAST) {
1918 wol->supported &= ~WAKE_UCAST;
1919
1920 if (adapter->wol & E1000_WUFC_EX)
1921 e_err("Interface does not support directed (unicast) frame wake-up packets\n");
1922 }
1923
1924 if (adapter->wol & E1000_WUFC_EX)
1925 wol->wolopts |= WAKE_UCAST;
1926 if (adapter->wol & E1000_WUFC_MC)
1927 wol->wolopts |= WAKE_MCAST;
1928 if (adapter->wol & E1000_WUFC_BC)
1929 wol->wolopts |= WAKE_BCAST;
1930 if (adapter->wol & E1000_WUFC_MAG)
1931 wol->wolopts |= WAKE_MAGIC;
1932 if (adapter->wol & E1000_WUFC_LNKC)
1933 wol->wolopts |= WAKE_PHY;
1934}
1935
1936static int e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1937{
1938 struct e1000_adapter *adapter = netdev_priv(netdev);
1939
1940 if (!(adapter->flags & FLAG_HAS_WOL) ||
1941 !device_can_wakeup(&adapter->pdev->dev) ||
1942 (wol->wolopts & ~(WAKE_UCAST | WAKE_MCAST | WAKE_BCAST |
1943 WAKE_MAGIC | WAKE_PHY)))
1944 return -EOPNOTSUPP;
1945
1946 /* these settings will always override what we currently have */
1947 adapter->wol = 0;
1948
1949 if (wol->wolopts & WAKE_UCAST)
1950 adapter->wol |= E1000_WUFC_EX;
1951 if (wol->wolopts & WAKE_MCAST)
1952 adapter->wol |= E1000_WUFC_MC;
1953 if (wol->wolopts & WAKE_BCAST)
1954 adapter->wol |= E1000_WUFC_BC;
1955 if (wol->wolopts & WAKE_MAGIC)
1956 adapter->wol |= E1000_WUFC_MAG;
1957 if (wol->wolopts & WAKE_PHY)
1958 adapter->wol |= E1000_WUFC_LNKC;
1959
1960 device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
1961
1962 return 0;
1963}
1964
1965static int e1000_set_phys_id(struct net_device *netdev,
1966 enum ethtool_phys_id_state state)
1967{
1968 struct e1000_adapter *adapter = netdev_priv(netdev);
1969 struct e1000_hw *hw = &adapter->hw;
1970
1971 switch (state) {
1972 case ETHTOOL_ID_ACTIVE:
1973 pm_runtime_get_sync(netdev->dev.parent);
1974
1975 if (!hw->mac.ops.blink_led)
1976 return 2; /* cycle on/off twice per second */
1977
1978 hw->mac.ops.blink_led(hw);
1979 break;
1980
1981 case ETHTOOL_ID_INACTIVE:
1982 if (hw->phy.type == e1000_phy_ife)
1983 e1e_wphy(hw, IFE_PHY_SPECIAL_CONTROL_LED, 0);
1984 hw->mac.ops.led_off(hw);
1985 hw->mac.ops.cleanup_led(hw);
1986 pm_runtime_put_sync(netdev->dev.parent);
1987 break;
1988
1989 case ETHTOOL_ID_ON:
1990 hw->mac.ops.led_on(hw);
1991 break;
1992
1993 case ETHTOOL_ID_OFF:
1994 hw->mac.ops.led_off(hw);
1995 break;
1996 }
1997
1998 return 0;
1999}
2000
2001static int e1000_get_coalesce(struct net_device *netdev,
2002 struct ethtool_coalesce *ec,
2003 struct kernel_ethtool_coalesce *kernel_coal,
2004 struct netlink_ext_ack *extack)
2005{
2006 struct e1000_adapter *adapter = netdev_priv(netdev);
2007
2008 if (adapter->itr_setting <= 4)
2009 ec->rx_coalesce_usecs = adapter->itr_setting;
2010 else
2011 ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting;
2012
2013 return 0;
2014}
2015
2016static int e1000_set_coalesce(struct net_device *netdev,
2017 struct ethtool_coalesce *ec,
2018 struct kernel_ethtool_coalesce *kernel_coal,
2019 struct netlink_ext_ack *extack)
2020{
2021 struct e1000_adapter *adapter = netdev_priv(netdev);
2022
2023 if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) ||
2024 ((ec->rx_coalesce_usecs > 4) &&
2025 (ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) ||
2026 (ec->rx_coalesce_usecs == 2))
2027 return -EINVAL;
2028
2029 if (ec->rx_coalesce_usecs == 4) {
2030 adapter->itr_setting = 4;
2031 adapter->itr = adapter->itr_setting;
2032 } else if (ec->rx_coalesce_usecs <= 3) {
2033 adapter->itr = 20000;
2034 adapter->itr_setting = ec->rx_coalesce_usecs;
2035 } else {
2036 adapter->itr = (1000000 / ec->rx_coalesce_usecs);
2037 adapter->itr_setting = adapter->itr & ~3;
2038 }
2039
2040 pm_runtime_get_sync(netdev->dev.parent);
2041
2042 if (adapter->itr_setting != 0)
2043 e1000e_write_itr(adapter, adapter->itr);
2044 else
2045 e1000e_write_itr(adapter, 0);
2046
2047 pm_runtime_put_sync(netdev->dev.parent);
2048
2049 return 0;
2050}
2051
2052static int e1000_nway_reset(struct net_device *netdev)
2053{
2054 struct e1000_adapter *adapter = netdev_priv(netdev);
2055
2056 if (!netif_running(netdev))
2057 return -EAGAIN;
2058
2059 if (!adapter->hw.mac.autoneg)
2060 return -EINVAL;
2061
2062 pm_runtime_get_sync(netdev->dev.parent);
2063 e1000e_reinit_locked(adapter);
2064 pm_runtime_put_sync(netdev->dev.parent);
2065
2066 return 0;
2067}
2068
2069static void e1000_get_ethtool_stats(struct net_device *netdev,
2070 struct ethtool_stats __always_unused *stats,
2071 u64 *data)
2072{
2073 struct e1000_adapter *adapter = netdev_priv(netdev);
2074 struct rtnl_link_stats64 net_stats;
2075 int i;
2076 char *p = NULL;
2077
2078 pm_runtime_get_sync(netdev->dev.parent);
2079
2080 dev_get_stats(netdev, &net_stats);
2081
2082 pm_runtime_put_sync(netdev->dev.parent);
2083
2084 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
2085 switch (e1000_gstrings_stats[i].type) {
2086 case NETDEV_STATS:
2087 p = (char *)&net_stats +
2088 e1000_gstrings_stats[i].stat_offset;
2089 break;
2090 case E1000_STATS:
2091 p = (char *)adapter +
2092 e1000_gstrings_stats[i].stat_offset;
2093 break;
2094 default:
2095 data[i] = 0;
2096 continue;
2097 }
2098
2099 data[i] = (e1000_gstrings_stats[i].sizeof_stat ==
2100 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
2101 }
2102}
2103
2104static void e1000_get_strings(struct net_device __always_unused *netdev,
2105 u32 stringset, u8 *data)
2106{
2107 u8 *p = data;
2108 int i;
2109
2110 switch (stringset) {
2111 case ETH_SS_TEST:
2112 memcpy(data, e1000_gstrings_test, sizeof(e1000_gstrings_test));
2113 break;
2114 case ETH_SS_STATS:
2115 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
2116 memcpy(p, e1000_gstrings_stats[i].stat_string,
2117 ETH_GSTRING_LEN);
2118 p += ETH_GSTRING_LEN;
2119 }
2120 break;
2121 case ETH_SS_PRIV_FLAGS:
2122 memcpy(data, e1000e_priv_flags_strings,
2123 E1000E_PRIV_FLAGS_STR_LEN * ETH_GSTRING_LEN);
2124 break;
2125 }
2126}
2127
2128static int e1000_get_rxnfc(struct net_device *netdev,
2129 struct ethtool_rxnfc *info,
2130 u32 __always_unused *rule_locs)
2131{
2132 info->data = 0;
2133
2134 switch (info->cmd) {
2135 case ETHTOOL_GRXFH: {
2136 struct e1000_adapter *adapter = netdev_priv(netdev);
2137 struct e1000_hw *hw = &adapter->hw;
2138 u32 mrqc;
2139
2140 pm_runtime_get_sync(netdev->dev.parent);
2141 mrqc = er32(MRQC);
2142 pm_runtime_put_sync(netdev->dev.parent);
2143
2144 if (!(mrqc & E1000_MRQC_RSS_FIELD_MASK))
2145 return 0;
2146
2147 switch (info->flow_type) {
2148 case TCP_V4_FLOW:
2149 if (mrqc & E1000_MRQC_RSS_FIELD_IPV4_TCP)
2150 info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2151 fallthrough;
2152 case UDP_V4_FLOW:
2153 case SCTP_V4_FLOW:
2154 case AH_ESP_V4_FLOW:
2155 case IPV4_FLOW:
2156 if (mrqc & E1000_MRQC_RSS_FIELD_IPV4)
2157 info->data |= RXH_IP_SRC | RXH_IP_DST;
2158 break;
2159 case TCP_V6_FLOW:
2160 if (mrqc & E1000_MRQC_RSS_FIELD_IPV6_TCP)
2161 info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2162 fallthrough;
2163 case UDP_V6_FLOW:
2164 case SCTP_V6_FLOW:
2165 case AH_ESP_V6_FLOW:
2166 case IPV6_FLOW:
2167 if (mrqc & E1000_MRQC_RSS_FIELD_IPV6)
2168 info->data |= RXH_IP_SRC | RXH_IP_DST;
2169 break;
2170 default:
2171 break;
2172 }
2173 return 0;
2174 }
2175 default:
2176 return -EOPNOTSUPP;
2177 }
2178}
2179
2180static int e1000e_get_eee(struct net_device *netdev, struct ethtool_eee *edata)
2181{
2182 struct e1000_adapter *adapter = netdev_priv(netdev);
2183 struct e1000_hw *hw = &adapter->hw;
2184 u16 cap_addr, lpa_addr, pcs_stat_addr, phy_data;
2185 u32 ret_val;
2186
2187 if (!(adapter->flags2 & FLAG2_HAS_EEE))
2188 return -EOPNOTSUPP;
2189
2190 switch (hw->phy.type) {
2191 case e1000_phy_82579:
2192 cap_addr = I82579_EEE_CAPABILITY;
2193 lpa_addr = I82579_EEE_LP_ABILITY;
2194 pcs_stat_addr = I82579_EEE_PCS_STATUS;
2195 break;
2196 case e1000_phy_i217:
2197 cap_addr = I217_EEE_CAPABILITY;
2198 lpa_addr = I217_EEE_LP_ABILITY;
2199 pcs_stat_addr = I217_EEE_PCS_STATUS;
2200 break;
2201 default:
2202 return -EOPNOTSUPP;
2203 }
2204
2205 pm_runtime_get_sync(netdev->dev.parent);
2206
2207 ret_val = hw->phy.ops.acquire(hw);
2208 if (ret_val) {
2209 pm_runtime_put_sync(netdev->dev.parent);
2210 return -EBUSY;
2211 }
2212
2213 /* EEE Capability */
2214 ret_val = e1000_read_emi_reg_locked(hw, cap_addr, &phy_data);
2215 if (ret_val)
2216 goto release;
2217 edata->supported = mmd_eee_cap_to_ethtool_sup_t(phy_data);
2218
2219 /* EEE Advertised */
2220 edata->advertised = mmd_eee_adv_to_ethtool_adv_t(adapter->eee_advert);
2221
2222 /* EEE Link Partner Advertised */
2223 ret_val = e1000_read_emi_reg_locked(hw, lpa_addr, &phy_data);
2224 if (ret_val)
2225 goto release;
2226 edata->lp_advertised = mmd_eee_adv_to_ethtool_adv_t(phy_data);
2227
2228 /* EEE PCS Status */
2229 ret_val = e1000_read_emi_reg_locked(hw, pcs_stat_addr, &phy_data);
2230 if (ret_val)
2231 goto release;
2232 if (hw->phy.type == e1000_phy_82579)
2233 phy_data <<= 8;
2234
2235 /* Result of the EEE auto negotiation - there is no register that
2236 * has the status of the EEE negotiation so do a best-guess based
2237 * on whether Tx or Rx LPI indications have been received.
2238 */
2239 if (phy_data & (E1000_EEE_TX_LPI_RCVD | E1000_EEE_RX_LPI_RCVD))
2240 edata->eee_active = true;
2241
2242 edata->eee_enabled = !hw->dev_spec.ich8lan.eee_disable;
2243 edata->tx_lpi_enabled = true;
2244 edata->tx_lpi_timer = er32(LPIC) >> E1000_LPIC_LPIET_SHIFT;
2245
2246release:
2247 hw->phy.ops.release(hw);
2248 if (ret_val)
2249 ret_val = -ENODATA;
2250
2251 pm_runtime_put_sync(netdev->dev.parent);
2252
2253 return ret_val;
2254}
2255
2256static int e1000e_set_eee(struct net_device *netdev, struct ethtool_eee *edata)
2257{
2258 struct e1000_adapter *adapter = netdev_priv(netdev);
2259 struct e1000_hw *hw = &adapter->hw;
2260 struct ethtool_eee eee_curr;
2261 s32 ret_val;
2262
2263 ret_val = e1000e_get_eee(netdev, &eee_curr);
2264 if (ret_val)
2265 return ret_val;
2266
2267 if (eee_curr.tx_lpi_enabled != edata->tx_lpi_enabled) {
2268 e_err("Setting EEE tx-lpi is not supported\n");
2269 return -EINVAL;
2270 }
2271
2272 if (eee_curr.tx_lpi_timer != edata->tx_lpi_timer) {
2273 e_err("Setting EEE Tx LPI timer is not supported\n");
2274 return -EINVAL;
2275 }
2276
2277 if (edata->advertised & ~(ADVERTISE_100_FULL | ADVERTISE_1000_FULL)) {
2278 e_err("EEE advertisement supports only 100TX and/or 1000T full-duplex\n");
2279 return -EINVAL;
2280 }
2281
2282 adapter->eee_advert = ethtool_adv_to_mmd_eee_adv_t(edata->advertised);
2283
2284 hw->dev_spec.ich8lan.eee_disable = !edata->eee_enabled;
2285
2286 pm_runtime_get_sync(netdev->dev.parent);
2287
2288 /* reset the link */
2289 if (netif_running(netdev))
2290 e1000e_reinit_locked(adapter);
2291 else
2292 e1000e_reset(adapter);
2293
2294 pm_runtime_put_sync(netdev->dev.parent);
2295
2296 return 0;
2297}
2298
2299static int e1000e_get_ts_info(struct net_device *netdev,
2300 struct ethtool_ts_info *info)
2301{
2302 struct e1000_adapter *adapter = netdev_priv(netdev);
2303
2304 ethtool_op_get_ts_info(netdev, info);
2305
2306 if (!(adapter->flags & FLAG_HAS_HW_TIMESTAMP))
2307 return 0;
2308
2309 info->so_timestamping |= (SOF_TIMESTAMPING_TX_HARDWARE |
2310 SOF_TIMESTAMPING_RX_HARDWARE |
2311 SOF_TIMESTAMPING_RAW_HARDWARE);
2312
2313 info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON);
2314
2315 info->rx_filters = (BIT(HWTSTAMP_FILTER_NONE) |
2316 BIT(HWTSTAMP_FILTER_PTP_V1_L4_SYNC) |
2317 BIT(HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) |
2318 BIT(HWTSTAMP_FILTER_PTP_V2_L4_SYNC) |
2319 BIT(HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ) |
2320 BIT(HWTSTAMP_FILTER_PTP_V2_L2_SYNC) |
2321 BIT(HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ) |
2322 BIT(HWTSTAMP_FILTER_PTP_V2_EVENT) |
2323 BIT(HWTSTAMP_FILTER_PTP_V2_SYNC) |
2324 BIT(HWTSTAMP_FILTER_PTP_V2_DELAY_REQ) |
2325 BIT(HWTSTAMP_FILTER_ALL));
2326
2327 if (adapter->ptp_clock)
2328 info->phc_index = ptp_clock_index(adapter->ptp_clock);
2329
2330 return 0;
2331}
2332
2333static u32 e1000e_get_priv_flags(struct net_device *netdev)
2334{
2335 struct e1000_adapter *adapter = netdev_priv(netdev);
2336 u32 priv_flags = 0;
2337
2338 if (adapter->flags2 & FLAG2_ENABLE_S0IX_FLOWS)
2339 priv_flags |= E1000E_PRIV_FLAGS_S0IX_ENABLED;
2340
2341 return priv_flags;
2342}
2343
2344static int e1000e_set_priv_flags(struct net_device *netdev, u32 priv_flags)
2345{
2346 struct e1000_adapter *adapter = netdev_priv(netdev);
2347 unsigned int flags2 = adapter->flags2;
2348
2349 flags2 &= ~FLAG2_ENABLE_S0IX_FLOWS;
2350 if (priv_flags & E1000E_PRIV_FLAGS_S0IX_ENABLED) {
2351 struct e1000_hw *hw = &adapter->hw;
2352
2353 if (hw->mac.type < e1000_pch_cnp)
2354 return -EINVAL;
2355 flags2 |= FLAG2_ENABLE_S0IX_FLOWS;
2356 }
2357
2358 if (flags2 != adapter->flags2)
2359 adapter->flags2 = flags2;
2360
2361 return 0;
2362}
2363
2364static const struct ethtool_ops e1000_ethtool_ops = {
2365 .supported_coalesce_params = ETHTOOL_COALESCE_RX_USECS,
2366 .get_drvinfo = e1000_get_drvinfo,
2367 .get_regs_len = e1000_get_regs_len,
2368 .get_regs = e1000_get_regs,
2369 .get_wol = e1000_get_wol,
2370 .set_wol = e1000_set_wol,
2371 .get_msglevel = e1000_get_msglevel,
2372 .set_msglevel = e1000_set_msglevel,
2373 .nway_reset = e1000_nway_reset,
2374 .get_link = ethtool_op_get_link,
2375 .get_eeprom_len = e1000_get_eeprom_len,
2376 .get_eeprom = e1000_get_eeprom,
2377 .set_eeprom = e1000_set_eeprom,
2378 .get_ringparam = e1000_get_ringparam,
2379 .set_ringparam = e1000_set_ringparam,
2380 .get_pauseparam = e1000_get_pauseparam,
2381 .set_pauseparam = e1000_set_pauseparam,
2382 .self_test = e1000_diag_test,
2383 .get_strings = e1000_get_strings,
2384 .set_phys_id = e1000_set_phys_id,
2385 .get_ethtool_stats = e1000_get_ethtool_stats,
2386 .get_sset_count = e1000e_get_sset_count,
2387 .get_coalesce = e1000_get_coalesce,
2388 .set_coalesce = e1000_set_coalesce,
2389 .get_rxnfc = e1000_get_rxnfc,
2390 .get_ts_info = e1000e_get_ts_info,
2391 .get_eee = e1000e_get_eee,
2392 .set_eee = e1000e_set_eee,
2393 .get_link_ksettings = e1000_get_link_ksettings,
2394 .set_link_ksettings = e1000_set_link_ksettings,
2395 .get_priv_flags = e1000e_get_priv_flags,
2396 .set_priv_flags = e1000e_set_priv_flags,
2397};
2398
2399void e1000e_set_ethtool_ops(struct net_device *netdev)
2400{
2401 netdev->ethtool_ops = &e1000_ethtool_ops;
2402}