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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
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
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
210
211
212 if ((spd & 1) || (dplx & ~1))
213 goto err_inval;
214
215
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:
244 default:
245 goto err_inval;
246 }
247
248
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
272
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
282
283
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
316 if (e1000_set_spd_dplx(adapter, speed, cmd->base.duplex)) {
317 ret_val = -EINVAL;
318 goto out;
319 }
320 }
321
322
323 if (cmd->base.eth_tp_mdix_ctrl) {
324
325
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
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
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
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;
467
468
469
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;
474 regs_buff[14] = 0;
475 regs_buff[15] = 0;
476 regs_buff[16] = 0;
477 e1e_rphy(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
478 regs_buff[17] = (u32)phy_data;
479 regs_buff[18] = regs_buff[13];
480 regs_buff[19] = 0;
481 regs_buff[20] = regs_buff[17];
482
483 regs_buff[22] = adapter->phy_stats.receive_errors;
484 regs_buff[23] = regs_buff[13];
485 }
486 regs_buff[21] = 0;
487 e1e_rphy(hw, MII_STAT1000, &phy_data);
488 regs_buff[24] = (u32)phy_data;
489 regs_buff[25] = regs_buff[24];
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
543 memset(eeprom_buff, 0xff, sizeof(u16) *
544 (last_word - first_word + 1));
545 } else {
546
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
594
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
600
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
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
623
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 strlcpy(drvinfo->driver, e1000e_driver_name, sizeof(drvinfo->driver));
643
644
645
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 strlcpy(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{
660 struct e1000_adapter *adapter = netdev_priv(netdev);
661
662 ring->rx_max_pending = E1000_MAX_RXD;
663 ring->tx_max_pending = E1000_MAX_TXD;
664 ring->rx_pending = adapter->rx_ring_count;
665 ring->tx_pending = adapter->tx_ring_count;
666}
667
668static int e1000_set_ringparam(struct net_device *netdev,
669 struct ethtool_ringparam *ring)
670{
671 struct e1000_adapter *adapter = netdev_priv(netdev);
672 struct e1000_ring *temp_tx = NULL, *temp_rx = NULL;
673 int err = 0, size = sizeof(struct e1000_ring);
674 bool set_tx = false, set_rx = false;
675 u16 new_rx_count, new_tx_count;
676
677 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
678 return -EINVAL;
679
680 new_rx_count = clamp_t(u32, ring->rx_pending, E1000_MIN_RXD,
681 E1000_MAX_RXD);
682 new_rx_count = ALIGN(new_rx_count, REQ_RX_DESCRIPTOR_MULTIPLE);
683
684 new_tx_count = clamp_t(u32, ring->tx_pending, E1000_MIN_TXD,
685 E1000_MAX_TXD);
686 new_tx_count = ALIGN(new_tx_count, REQ_TX_DESCRIPTOR_MULTIPLE);
687
688 if ((new_tx_count == adapter->tx_ring_count) &&
689 (new_rx_count == adapter->rx_ring_count))
690
691 return 0;
692
693 while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
694 usleep_range(1000, 2000);
695
696 if (!netif_running(adapter->netdev)) {
697
698 adapter->tx_ring->count = new_tx_count;
699 adapter->rx_ring->count = new_rx_count;
700 adapter->tx_ring_count = new_tx_count;
701 adapter->rx_ring_count = new_rx_count;
702 goto clear_reset;
703 }
704
705 set_tx = (new_tx_count != adapter->tx_ring_count);
706 set_rx = (new_rx_count != adapter->rx_ring_count);
707
708
709 if (set_tx) {
710 temp_tx = vmalloc(size);
711 if (!temp_tx) {
712 err = -ENOMEM;
713 goto free_temp;
714 }
715 }
716 if (set_rx) {
717 temp_rx = vmalloc(size);
718 if (!temp_rx) {
719 err = -ENOMEM;
720 goto free_temp;
721 }
722 }
723
724 pm_runtime_get_sync(netdev->dev.parent);
725
726 e1000e_down(adapter, true);
727
728
729
730
731
732 if (set_tx) {
733 memcpy(temp_tx, adapter->tx_ring, size);
734 temp_tx->count = new_tx_count;
735 err = e1000e_setup_tx_resources(temp_tx);
736 if (err)
737 goto err_setup;
738 }
739 if (set_rx) {
740 memcpy(temp_rx, adapter->rx_ring, size);
741 temp_rx->count = new_rx_count;
742 err = e1000e_setup_rx_resources(temp_rx);
743 if (err)
744 goto err_setup_rx;
745 }
746
747
748 if (set_tx) {
749 e1000e_free_tx_resources(adapter->tx_ring);
750 memcpy(adapter->tx_ring, temp_tx, size);
751 adapter->tx_ring_count = new_tx_count;
752 }
753 if (set_rx) {
754 e1000e_free_rx_resources(adapter->rx_ring);
755 memcpy(adapter->rx_ring, temp_rx, size);
756 adapter->rx_ring_count = new_rx_count;
757 }
758
759err_setup_rx:
760 if (err && set_tx)
761 e1000e_free_tx_resources(temp_tx);
762err_setup:
763 e1000e_up(adapter);
764 pm_runtime_put_sync(netdev->dev.parent);
765free_temp:
766 vfree(temp_tx);
767 vfree(temp_rx);
768clear_reset:
769 clear_bit(__E1000_RESETTING, &adapter->state);
770 return err;
771}
772
773static bool reg_pattern_test(struct e1000_adapter *adapter, u64 *data,
774 int reg, int offset, u32 mask, u32 write)
775{
776 u32 pat, val;
777 static const u32 test[] = {
778 0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF
779 };
780 for (pat = 0; pat < ARRAY_SIZE(test); pat++) {
781 E1000_WRITE_REG_ARRAY(&adapter->hw, reg, offset,
782 (test[pat] & write));
783 val = E1000_READ_REG_ARRAY(&adapter->hw, reg, offset);
784 if (val != (test[pat] & write & mask)) {
785 e_err("pattern test failed (reg 0x%05X): got 0x%08X expected 0x%08X\n",
786 reg + (offset << 2), val,
787 (test[pat] & write & mask));
788 *data = reg;
789 return true;
790 }
791 }
792 return false;
793}
794
795static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data,
796 int reg, u32 mask, u32 write)
797{
798 u32 val;
799
800 __ew32(&adapter->hw, reg, write & mask);
801 val = __er32(&adapter->hw, reg);
802 if ((write & mask) != (val & mask)) {
803 e_err("set/check test failed (reg 0x%05X): got 0x%08X expected 0x%08X\n",
804 reg, (val & mask), (write & mask));
805 *data = reg;
806 return true;
807 }
808 return false;
809}
810
811#define REG_PATTERN_TEST_ARRAY(reg, offset, mask, write) \
812 do { \
813 if (reg_pattern_test(adapter, data, reg, offset, mask, write)) \
814 return 1; \
815 } while (0)
816#define REG_PATTERN_TEST(reg, mask, write) \
817 REG_PATTERN_TEST_ARRAY(reg, 0, mask, write)
818
819#define REG_SET_AND_CHECK(reg, mask, write) \
820 do { \
821 if (reg_set_and_check(adapter, data, reg, mask, write)) \
822 return 1; \
823 } while (0)
824
825static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data)
826{
827 struct e1000_hw *hw = &adapter->hw;
828 struct e1000_mac_info *mac = &adapter->hw.mac;
829 u32 value;
830 u32 before;
831 u32 after;
832 u32 i;
833 u32 toggle;
834 u32 mask;
835 u32 wlock_mac = 0;
836
837
838
839
840
841 switch (mac->type) {
842 case e1000_82571:
843 case e1000_82572:
844 case e1000_80003es2lan:
845 toggle = 0x7FFFF3FF;
846 break;
847 default:
848 toggle = 0x7FFFF033;
849 break;
850 }
851
852 before = er32(STATUS);
853 value = (er32(STATUS) & toggle);
854 ew32(STATUS, toggle);
855 after = er32(STATUS) & toggle;
856 if (value != after) {
857 e_err("failed STATUS register test got: 0x%08X expected: 0x%08X\n",
858 after, value);
859 *data = 1;
860 return 1;
861 }
862
863 ew32(STATUS, before);
864
865 if (!(adapter->flags & FLAG_IS_ICH)) {
866 REG_PATTERN_TEST(E1000_FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
867 REG_PATTERN_TEST(E1000_FCAH, 0x0000FFFF, 0xFFFFFFFF);
868 REG_PATTERN_TEST(E1000_FCT, 0x0000FFFF, 0xFFFFFFFF);
869 REG_PATTERN_TEST(E1000_VET, 0x0000FFFF, 0xFFFFFFFF);
870 }
871
872 REG_PATTERN_TEST(E1000_RDTR, 0x0000FFFF, 0xFFFFFFFF);
873 REG_PATTERN_TEST(E1000_RDBAH(0), 0xFFFFFFFF, 0xFFFFFFFF);
874 REG_PATTERN_TEST(E1000_RDLEN(0), 0x000FFF80, 0x000FFFFF);
875 REG_PATTERN_TEST(E1000_RDH(0), 0x0000FFFF, 0x0000FFFF);
876 REG_PATTERN_TEST(E1000_RDT(0), 0x0000FFFF, 0x0000FFFF);
877 REG_PATTERN_TEST(E1000_FCRTH, 0x0000FFF8, 0x0000FFF8);
878 REG_PATTERN_TEST(E1000_FCTTV, 0x0000FFFF, 0x0000FFFF);
879 REG_PATTERN_TEST(E1000_TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
880 REG_PATTERN_TEST(E1000_TDBAH(0), 0xFFFFFFFF, 0xFFFFFFFF);
881 REG_PATTERN_TEST(E1000_TDLEN(0), 0x000FFF80, 0x000FFFFF);
882
883 REG_SET_AND_CHECK(E1000_RCTL, 0xFFFFFFFF, 0x00000000);
884
885 before = ((adapter->flags & FLAG_IS_ICH) ? 0x06C3B33E : 0x06DFB3FE);
886 REG_SET_AND_CHECK(E1000_RCTL, before, 0x003FFFFB);
887 REG_SET_AND_CHECK(E1000_TCTL, 0xFFFFFFFF, 0x00000000);
888
889 REG_SET_AND_CHECK(E1000_RCTL, before, 0xFFFFFFFF);
890 REG_PATTERN_TEST(E1000_RDBAL(0), 0xFFFFFFF0, 0xFFFFFFFF);
891 if (!(adapter->flags & FLAG_IS_ICH))
892 REG_PATTERN_TEST(E1000_TXCW, 0xC000FFFF, 0x0000FFFF);
893 REG_PATTERN_TEST(E1000_TDBAL(0), 0xFFFFFFF0, 0xFFFFFFFF);
894 REG_PATTERN_TEST(E1000_TIDV, 0x0000FFFF, 0x0000FFFF);
895 mask = 0x8003FFFF;
896 switch (mac->type) {
897 case e1000_ich10lan:
898 case e1000_pchlan:
899 case e1000_pch2lan:
900 case e1000_pch_lpt:
901 case e1000_pch_spt:
902 case e1000_pch_cnp:
903 case e1000_pch_tgp:
904 case e1000_pch_adp:
905 case e1000_pch_mtp:
906 case e1000_pch_lnp:
907 mask |= BIT(18);
908 break;
909 default:
910 break;
911 }
912
913 if (mac->type >= e1000_pch_lpt)
914 wlock_mac = (er32(FWSM) & E1000_FWSM_WLOCK_MAC_MASK) >>
915 E1000_FWSM_WLOCK_MAC_SHIFT;
916
917 for (i = 0; i < mac->rar_entry_count; i++) {
918 if (mac->type >= e1000_pch_lpt) {
919
920 if ((wlock_mac == 1) || (wlock_mac && (i > wlock_mac)))
921 continue;
922
923
924 if (i == 10)
925 mask |= BIT(30);
926 else
927 mask &= ~BIT(30);
928 }
929 if (mac->type == e1000_pch2lan) {
930
931 if (i == 1)
932 mask &= 0xFFF4FFFF;
933
934 if (i == 4)
935 mask |= BIT(30);
936
937 if (i > 0)
938 i += 6;
939 }
940
941 REG_PATTERN_TEST_ARRAY(E1000_RA, ((i << 1) + 1), mask,
942 0xFFFFFFFF);
943
944 if ((mac->type == e1000_pch2lan) && (i > 6))
945 i -= 6;
946 }
947
948 for (i = 0; i < mac->mta_reg_count; i++)
949 REG_PATTERN_TEST_ARRAY(E1000_MTA, i, 0xFFFFFFFF, 0xFFFFFFFF);
950
951 *data = 0;
952
953 return 0;
954}
955
956static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data)
957{
958 u16 temp;
959 u16 checksum = 0;
960 u16 i;
961
962 *data = 0;
963
964 for (i = 0; i < (NVM_CHECKSUM_REG + 1); i++) {
965 if ((e1000_read_nvm(&adapter->hw, i, 1, &temp)) < 0) {
966 *data = 1;
967 return *data;
968 }
969 checksum += temp;
970 }
971
972
973 if ((checksum != (u16)NVM_SUM) && !(*data))
974 *data = 2;
975
976 return *data;
977}
978
979static irqreturn_t e1000_test_intr(int __always_unused irq, void *data)
980{
981 struct net_device *netdev = (struct net_device *)data;
982 struct e1000_adapter *adapter = netdev_priv(netdev);
983 struct e1000_hw *hw = &adapter->hw;
984
985 adapter->test_icr |= er32(ICR);
986
987 return IRQ_HANDLED;
988}
989
990static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data)
991{
992 struct net_device *netdev = adapter->netdev;
993 struct e1000_hw *hw = &adapter->hw;
994 u32 mask;
995 u32 shared_int = 1;
996 u32 irq = adapter->pdev->irq;
997 int i;
998 int ret_val = 0;
999 int int_mode = E1000E_INT_MODE_LEGACY;
1000
1001 *data = 0;
1002
1003
1004 if (adapter->int_mode == E1000E_INT_MODE_MSIX) {
1005 int_mode = adapter->int_mode;
1006 e1000e_reset_interrupt_capability(adapter);
1007 adapter->int_mode = E1000E_INT_MODE_LEGACY;
1008 e1000e_set_interrupt_capability(adapter);
1009 }
1010
1011 if (!request_irq(irq, e1000_test_intr, IRQF_PROBE_SHARED, netdev->name,
1012 netdev)) {
1013 shared_int = 0;
1014 } else if (request_irq(irq, e1000_test_intr, IRQF_SHARED, netdev->name,
1015 netdev)) {
1016 *data = 1;
1017 ret_val = -1;
1018 goto out;
1019 }
1020 e_info("testing %s interrupt\n", (shared_int ? "shared" : "unshared"));
1021
1022
1023 ew32(IMC, 0xFFFFFFFF);
1024 e1e_flush();
1025 usleep_range(10000, 11000);
1026
1027
1028 for (i = 0; i < 10; i++) {
1029
1030 mask = BIT(i);
1031
1032 if (adapter->flags & FLAG_IS_ICH) {
1033 switch (mask) {
1034 case E1000_ICR_RXSEQ:
1035 continue;
1036 case 0x00000100:
1037 if (adapter->hw.mac.type == e1000_ich8lan ||
1038 adapter->hw.mac.type == e1000_ich9lan)
1039 continue;
1040 break;
1041 default:
1042 break;
1043 }
1044 }
1045
1046 if (!shared_int) {
1047
1048
1049
1050
1051
1052
1053 adapter->test_icr = 0;
1054 ew32(IMC, mask);
1055 ew32(ICS, mask);
1056 e1e_flush();
1057 usleep_range(10000, 11000);
1058
1059 if (adapter->test_icr & mask) {
1060 *data = 3;
1061 break;
1062 }
1063 }
1064
1065
1066
1067
1068
1069
1070
1071 adapter->test_icr = 0;
1072 ew32(IMS, mask);
1073 ew32(ICS, mask);
1074 e1e_flush();
1075 usleep_range(10000, 11000);
1076
1077 if (!(adapter->test_icr & mask)) {
1078 *data = 4;
1079 break;
1080 }
1081
1082 if (!shared_int) {
1083
1084
1085
1086
1087
1088
1089 adapter->test_icr = 0;
1090 ew32(IMC, ~mask & 0x00007FFF);
1091 ew32(ICS, ~mask & 0x00007FFF);
1092 e1e_flush();
1093 usleep_range(10000, 11000);
1094
1095 if (adapter->test_icr) {
1096 *data = 5;
1097 break;
1098 }
1099 }
1100 }
1101
1102
1103 ew32(IMC, 0xFFFFFFFF);
1104 e1e_flush();
1105 usleep_range(10000, 11000);
1106
1107
1108 free_irq(irq, netdev);
1109
1110out:
1111 if (int_mode == E1000E_INT_MODE_MSIX) {
1112 e1000e_reset_interrupt_capability(adapter);
1113 adapter->int_mode = int_mode;
1114 e1000e_set_interrupt_capability(adapter);
1115 }
1116
1117 return ret_val;
1118}
1119
1120static void e1000_free_desc_rings(struct e1000_adapter *adapter)
1121{
1122 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1123 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1124 struct pci_dev *pdev = adapter->pdev;
1125 struct e1000_buffer *buffer_info;
1126 int i;
1127
1128 if (tx_ring->desc && tx_ring->buffer_info) {
1129 for (i = 0; i < tx_ring->count; i++) {
1130 buffer_info = &tx_ring->buffer_info[i];
1131
1132 if (buffer_info->dma)
1133 dma_unmap_single(&pdev->dev,
1134 buffer_info->dma,
1135 buffer_info->length,
1136 DMA_TO_DEVICE);
1137 dev_kfree_skb(buffer_info->skb);
1138 }
1139 }
1140
1141 if (rx_ring->desc && rx_ring->buffer_info) {
1142 for (i = 0; i < rx_ring->count; i++) {
1143 buffer_info = &rx_ring->buffer_info[i];
1144
1145 if (buffer_info->dma)
1146 dma_unmap_single(&pdev->dev,
1147 buffer_info->dma,
1148 2048, DMA_FROM_DEVICE);
1149 dev_kfree_skb(buffer_info->skb);
1150 }
1151 }
1152
1153 if (tx_ring->desc) {
1154 dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc,
1155 tx_ring->dma);
1156 tx_ring->desc = NULL;
1157 }
1158 if (rx_ring->desc) {
1159 dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc,
1160 rx_ring->dma);
1161 rx_ring->desc = NULL;
1162 }
1163
1164 kfree(tx_ring->buffer_info);
1165 tx_ring->buffer_info = NULL;
1166 kfree(rx_ring->buffer_info);
1167 rx_ring->buffer_info = NULL;
1168}
1169
1170static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
1171{
1172 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1173 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1174 struct pci_dev *pdev = adapter->pdev;
1175 struct e1000_hw *hw = &adapter->hw;
1176 u32 rctl;
1177 int i;
1178 int ret_val;
1179
1180
1181
1182 if (!tx_ring->count)
1183 tx_ring->count = E1000_DEFAULT_TXD;
1184
1185 tx_ring->buffer_info = kcalloc(tx_ring->count,
1186 sizeof(struct e1000_buffer), GFP_KERNEL);
1187 if (!tx_ring->buffer_info) {
1188 ret_val = 1;
1189 goto err_nomem;
1190 }
1191
1192 tx_ring->size = tx_ring->count * sizeof(struct e1000_tx_desc);
1193 tx_ring->size = ALIGN(tx_ring->size, 4096);
1194 tx_ring->desc = dma_alloc_coherent(&pdev->dev, tx_ring->size,
1195 &tx_ring->dma, GFP_KERNEL);
1196 if (!tx_ring->desc) {
1197 ret_val = 2;
1198 goto err_nomem;
1199 }
1200 tx_ring->next_to_use = 0;
1201 tx_ring->next_to_clean = 0;
1202
1203 ew32(TDBAL(0), ((u64)tx_ring->dma & 0x00000000FFFFFFFF));
1204 ew32(TDBAH(0), ((u64)tx_ring->dma >> 32));
1205 ew32(TDLEN(0), tx_ring->count * sizeof(struct e1000_tx_desc));
1206 ew32(TDH(0), 0);
1207 ew32(TDT(0), 0);
1208 ew32(TCTL, E1000_TCTL_PSP | E1000_TCTL_EN | E1000_TCTL_MULR |
1209 E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
1210 E1000_COLLISION_DISTANCE << E1000_COLD_SHIFT);
1211
1212 for (i = 0; i < tx_ring->count; i++) {
1213 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*tx_ring, i);
1214 struct sk_buff *skb;
1215 unsigned int skb_size = 1024;
1216
1217 skb = alloc_skb(skb_size, GFP_KERNEL);
1218 if (!skb) {
1219 ret_val = 3;
1220 goto err_nomem;
1221 }
1222 skb_put(skb, skb_size);
1223 tx_ring->buffer_info[i].skb = skb;
1224 tx_ring->buffer_info[i].length = skb->len;
1225 tx_ring->buffer_info[i].dma =
1226 dma_map_single(&pdev->dev, skb->data, skb->len,
1227 DMA_TO_DEVICE);
1228 if (dma_mapping_error(&pdev->dev,
1229 tx_ring->buffer_info[i].dma)) {
1230 ret_val = 4;
1231 goto err_nomem;
1232 }
1233 tx_desc->buffer_addr = cpu_to_le64(tx_ring->buffer_info[i].dma);
1234 tx_desc->lower.data = cpu_to_le32(skb->len);
1235 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
1236 E1000_TXD_CMD_IFCS |
1237 E1000_TXD_CMD_RS);
1238 tx_desc->upper.data = 0;
1239 }
1240
1241
1242
1243 if (!rx_ring->count)
1244 rx_ring->count = E1000_DEFAULT_RXD;
1245
1246 rx_ring->buffer_info = kcalloc(rx_ring->count,
1247 sizeof(struct e1000_buffer), GFP_KERNEL);
1248 if (!rx_ring->buffer_info) {
1249 ret_val = 5;
1250 goto err_nomem;
1251 }
1252
1253 rx_ring->size = rx_ring->count * sizeof(union e1000_rx_desc_extended);
1254 rx_ring->desc = dma_alloc_coherent(&pdev->dev, rx_ring->size,
1255 &rx_ring->dma, GFP_KERNEL);
1256 if (!rx_ring->desc) {
1257 ret_val = 6;
1258 goto err_nomem;
1259 }
1260 rx_ring->next_to_use = 0;
1261 rx_ring->next_to_clean = 0;
1262
1263 rctl = er32(RCTL);
1264 if (!(adapter->flags2 & FLAG2_NO_DISABLE_RX))
1265 ew32(RCTL, rctl & ~E1000_RCTL_EN);
1266 ew32(RDBAL(0), ((u64)rx_ring->dma & 0xFFFFFFFF));
1267 ew32(RDBAH(0), ((u64)rx_ring->dma >> 32));
1268 ew32(RDLEN(0), rx_ring->size);
1269 ew32(RDH(0), 0);
1270 ew32(RDT(0), 0);
1271 rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
1272 E1000_RCTL_UPE | E1000_RCTL_MPE | E1000_RCTL_LPE |
1273 E1000_RCTL_SBP | E1000_RCTL_SECRC |
1274 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
1275 (adapter->hw.mac.mc_filter_type << E1000_RCTL_MO_SHIFT);
1276 ew32(RCTL, rctl);
1277
1278 for (i = 0; i < rx_ring->count; i++) {
1279 union e1000_rx_desc_extended *rx_desc;
1280 struct sk_buff *skb;
1281
1282 skb = alloc_skb(2048 + NET_IP_ALIGN, GFP_KERNEL);
1283 if (!skb) {
1284 ret_val = 7;
1285 goto err_nomem;
1286 }
1287 skb_reserve(skb, NET_IP_ALIGN);
1288 rx_ring->buffer_info[i].skb = skb;
1289 rx_ring->buffer_info[i].dma =
1290 dma_map_single(&pdev->dev, skb->data, 2048,
1291 DMA_FROM_DEVICE);
1292 if (dma_mapping_error(&pdev->dev,
1293 rx_ring->buffer_info[i].dma)) {
1294 ret_val = 8;
1295 goto err_nomem;
1296 }
1297 rx_desc = E1000_RX_DESC_EXT(*rx_ring, i);
1298 rx_desc->read.buffer_addr =
1299 cpu_to_le64(rx_ring->buffer_info[i].dma);
1300 memset(skb->data, 0x00, skb->len);
1301 }
1302
1303 return 0;
1304
1305err_nomem:
1306 e1000_free_desc_rings(adapter);
1307 return ret_val;
1308}
1309
1310static void e1000_phy_disable_receiver(struct e1000_adapter *adapter)
1311{
1312
1313 e1e_wphy(&adapter->hw, 29, 0x001F);
1314 e1e_wphy(&adapter->hw, 30, 0x8FFC);
1315 e1e_wphy(&adapter->hw, 29, 0x001A);
1316 e1e_wphy(&adapter->hw, 30, 0x8FF0);
1317}
1318
1319static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
1320{
1321 struct e1000_hw *hw = &adapter->hw;
1322 u32 ctrl_reg = 0;
1323 u16 phy_reg = 0;
1324 s32 ret_val = 0;
1325
1326 hw->mac.autoneg = 0;
1327
1328 if (hw->phy.type == e1000_phy_ife) {
1329
1330 e1e_wphy(hw, MII_BMCR, 0x6100);
1331
1332
1333 ctrl_reg = er32(CTRL);
1334 ctrl_reg &= ~E1000_CTRL_SPD_SEL;
1335 ctrl_reg |= (E1000_CTRL_FRCSPD |
1336 E1000_CTRL_FRCDPX |
1337 E1000_CTRL_SPD_100 |
1338 E1000_CTRL_FD);
1339
1340 ew32(CTRL, ctrl_reg);
1341 e1e_flush();
1342 usleep_range(500, 1000);
1343
1344 return 0;
1345 }
1346
1347
1348 switch (hw->phy.type) {
1349 case e1000_phy_m88:
1350
1351 e1e_wphy(hw, M88E1000_PHY_SPEC_CTRL, 0x0808);
1352
1353 e1e_wphy(hw, MII_BMCR, 0x9140);
1354
1355 e1e_wphy(hw, MII_BMCR, 0x8140);
1356 break;
1357 case e1000_phy_gg82563:
1358 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x1CC);
1359 break;
1360 case e1000_phy_bm:
1361
1362 e1e_rphy(hw, PHY_REG(2, 21), &phy_reg);
1363 phy_reg &= ~0x0007;
1364 phy_reg |= 0x006;
1365 e1e_wphy(hw, PHY_REG(2, 21), phy_reg);
1366
1367 hw->phy.ops.commit(hw);
1368 usleep_range(1000, 2000);
1369
1370 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg);
1371 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x000C);
1372
1373 e1e_rphy(hw, PHY_REG(776, 16), &phy_reg);
1374 e1e_wphy(hw, PHY_REG(776, 16), phy_reg | 0x0040);
1375
1376 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg);
1377 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x0040);
1378
1379 e1e_rphy(hw, PHY_REG(769, 20), &phy_reg);
1380 e1e_wphy(hw, PHY_REG(769, 20), phy_reg | 0x0400);
1381 break;
1382 case e1000_phy_82577:
1383 case e1000_phy_82578:
1384
1385 ret_val = hw->phy.ops.acquire(hw);
1386 if (ret_val) {
1387 e_err("Cannot setup 1Gbps loopback.\n");
1388 return ret_val;
1389 }
1390 e1000_configure_k1_ich8lan(hw, false);
1391 hw->phy.ops.release(hw);
1392 break;
1393 case e1000_phy_82579:
1394
1395 e1e_rphy(hw, PHY_REG(0, 21), &phy_reg);
1396 e1e_wphy(hw, PHY_REG(0, 21), phy_reg & ~BIT(3));
1397
1398 e1e_rphy(hw, PHY_REG(776, 18), &phy_reg);
1399 e1e_wphy(hw, PHY_REG(776, 18), phy_reg | 1);
1400
1401 e1e_wphy(hw, I82577_PHY_LBK_CTRL, 0x8001);
1402 break;
1403 default:
1404 break;
1405 }
1406
1407
1408 e1e_wphy(hw, MII_BMCR, 0x4140);
1409 msleep(250);
1410
1411
1412 ctrl_reg = er32(CTRL);
1413 ctrl_reg &= ~E1000_CTRL_SPD_SEL;
1414 ctrl_reg |= (E1000_CTRL_FRCSPD |
1415 E1000_CTRL_FRCDPX |
1416 E1000_CTRL_SPD_1000 |
1417 E1000_CTRL_FD);
1418
1419 if (adapter->flags & FLAG_IS_ICH)
1420 ctrl_reg |= E1000_CTRL_SLU;
1421
1422 if (hw->phy.media_type == e1000_media_type_copper &&
1423 hw->phy.type == e1000_phy_m88) {
1424 ctrl_reg |= E1000_CTRL_ILOS;
1425 } else {
1426
1427
1428
1429 if ((er32(STATUS) & E1000_STATUS_FD) == 0)
1430 ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
1431 }
1432
1433 ew32(CTRL, ctrl_reg);
1434
1435
1436
1437
1438 if (hw->phy.type == e1000_phy_m88)
1439 e1000_phy_disable_receiver(adapter);
1440
1441 usleep_range(500, 1000);
1442
1443 return 0;
1444}
1445
1446static int e1000_set_82571_fiber_loopback(struct e1000_adapter *adapter)
1447{
1448 struct e1000_hw *hw = &adapter->hw;
1449 u32 ctrl = er32(CTRL);
1450 int link;
1451
1452
1453
1454
1455
1456
1457 ctrl |= E1000_CTRL_SLU;
1458 ew32(CTRL, ctrl);
1459
1460
1461 ctrl = er32(TXCW);
1462 ctrl &= ~BIT(31);
1463 ew32(TXCW, ctrl);
1464
1465 link = (er32(STATUS) & E1000_STATUS_LU);
1466
1467 if (!link) {
1468
1469 ctrl = er32(CTRL);
1470 ctrl |= E1000_CTRL_ILOS;
1471 ew32(CTRL, ctrl);
1472 }
1473
1474
1475
1476
1477 ew32(SCTL, E1000_SCTL_ENABLE_SERDES_LOOPBACK);
1478 e1e_flush();
1479 usleep_range(10000, 11000);
1480
1481 return 0;
1482}
1483
1484
1485static int e1000_set_es2lan_mac_loopback(struct e1000_adapter *adapter)
1486{
1487 struct e1000_hw *hw = &adapter->hw;
1488 u32 ctrlext = er32(CTRL_EXT);
1489 u32 ctrl = er32(CTRL);
1490
1491
1492
1493
1494 adapter->tx_fifo_head = ctrlext;
1495
1496
1497 ctrlext &= ~E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES;
1498 ew32(CTRL_EXT, ctrlext);
1499
1500
1501 ctrl &= ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100);
1502 ctrl |= (E1000_CTRL_SLU | E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX |
1503 E1000_CTRL_SPD_1000 | E1000_CTRL_FD);
1504 ew32(CTRL, ctrl);
1505
1506
1507 ctrl = er32(RCTL);
1508 ctrl |= E1000_RCTL_LBM_MAC;
1509 ew32(RCTL, ctrl);
1510
1511
1512#define KMRNCTRLSTA_OPMODE (0x1F << 16)
1513#define KMRNCTRLSTA_OPMODE_1GB_FD_GMII 0x0582
1514 ew32(KMRNCTRLSTA,
1515 (KMRNCTRLSTA_OPMODE | KMRNCTRLSTA_OPMODE_1GB_FD_GMII));
1516
1517 return 0;
1518}
1519
1520static int e1000_setup_loopback_test(struct e1000_adapter *adapter)
1521{
1522 struct e1000_hw *hw = &adapter->hw;
1523 u32 rctl, fext_nvm11, tarc0;
1524
1525 if (hw->mac.type >= e1000_pch_spt) {
1526 fext_nvm11 = er32(FEXTNVM11);
1527 fext_nvm11 |= E1000_FEXTNVM11_DISABLE_MULR_FIX;
1528 ew32(FEXTNVM11, fext_nvm11);
1529 tarc0 = er32(TARC(0));
1530
1531 tarc0 &= 0xcfffffff;
1532
1533 tarc0 |= 0x20000000;
1534 ew32(TARC(0), tarc0);
1535 }
1536 if (hw->phy.media_type == e1000_media_type_fiber ||
1537 hw->phy.media_type == e1000_media_type_internal_serdes) {
1538 switch (hw->mac.type) {
1539 case e1000_80003es2lan:
1540 return e1000_set_es2lan_mac_loopback(adapter);
1541 case e1000_82571:
1542 case e1000_82572:
1543 return e1000_set_82571_fiber_loopback(adapter);
1544 default:
1545 rctl = er32(RCTL);
1546 rctl |= E1000_RCTL_LBM_TCVR;
1547 ew32(RCTL, rctl);
1548 return 0;
1549 }
1550 } else if (hw->phy.media_type == e1000_media_type_copper) {
1551 return e1000_integrated_phy_loopback(adapter);
1552 }
1553
1554 return 7;
1555}
1556
1557static void e1000_loopback_cleanup(struct e1000_adapter *adapter)
1558{
1559 struct e1000_hw *hw = &adapter->hw;
1560 u32 rctl, fext_nvm11, tarc0;
1561 u16 phy_reg;
1562
1563 rctl = er32(RCTL);
1564 rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
1565 ew32(RCTL, rctl);
1566
1567 switch (hw->mac.type) {
1568 case e1000_pch_spt:
1569 case e1000_pch_cnp:
1570 case e1000_pch_tgp:
1571 case e1000_pch_adp:
1572 case e1000_pch_mtp:
1573 case e1000_pch_lnp:
1574 fext_nvm11 = er32(FEXTNVM11);
1575 fext_nvm11 &= ~E1000_FEXTNVM11_DISABLE_MULR_FIX;
1576 ew32(FEXTNVM11, fext_nvm11);
1577 tarc0 = er32(TARC(0));
1578
1579
1580 tarc0 &= 0xcfffffff;
1581 ew32(TARC(0), tarc0);
1582 fallthrough;
1583 case e1000_80003es2lan:
1584 if (hw->phy.media_type == e1000_media_type_fiber ||
1585 hw->phy.media_type == e1000_media_type_internal_serdes) {
1586
1587 ew32(CTRL_EXT, adapter->tx_fifo_head);
1588 adapter->tx_fifo_head = 0;
1589 }
1590 fallthrough;
1591 case e1000_82571:
1592 case e1000_82572:
1593 if (hw->phy.media_type == e1000_media_type_fiber ||
1594 hw->phy.media_type == e1000_media_type_internal_serdes) {
1595 ew32(SCTL, E1000_SCTL_DISABLE_SERDES_LOOPBACK);
1596 e1e_flush();
1597 usleep_range(10000, 11000);
1598 break;
1599 }
1600 fallthrough;
1601 default:
1602 hw->mac.autoneg = 1;
1603 if (hw->phy.type == e1000_phy_gg82563)
1604 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x180);
1605 e1e_rphy(hw, MII_BMCR, &phy_reg);
1606 if (phy_reg & BMCR_LOOPBACK) {
1607 phy_reg &= ~BMCR_LOOPBACK;
1608 e1e_wphy(hw, MII_BMCR, phy_reg);
1609 if (hw->phy.ops.commit)
1610 hw->phy.ops.commit(hw);
1611 }
1612 break;
1613 }
1614}
1615
1616static void e1000_create_lbtest_frame(struct sk_buff *skb,
1617 unsigned int frame_size)
1618{
1619 memset(skb->data, 0xFF, frame_size);
1620 frame_size &= ~1;
1621 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1622 skb->data[frame_size / 2 + 10] = 0xBE;
1623 skb->data[frame_size / 2 + 12] = 0xAF;
1624}
1625
1626static int e1000_check_lbtest_frame(struct sk_buff *skb,
1627 unsigned int frame_size)
1628{
1629 frame_size &= ~1;
1630 if (*(skb->data + 3) == 0xFF)
1631 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
1632 (*(skb->data + frame_size / 2 + 12) == 0xAF))
1633 return 0;
1634 return 13;
1635}
1636
1637static int e1000_run_loopback_test(struct e1000_adapter *adapter)
1638{
1639 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1640 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1641 struct pci_dev *pdev = adapter->pdev;
1642 struct e1000_hw *hw = &adapter->hw;
1643 struct e1000_buffer *buffer_info;
1644 int i, j, k, l;
1645 int lc;
1646 int good_cnt;
1647 int ret_val = 0;
1648 unsigned long time;
1649
1650 ew32(RDT(0), rx_ring->count - 1);
1651
1652
1653
1654
1655
1656
1657 if (rx_ring->count <= tx_ring->count)
1658 lc = ((tx_ring->count / 64) * 2) + 1;
1659 else
1660 lc = ((rx_ring->count / 64) * 2) + 1;
1661
1662 k = 0;
1663 l = 0;
1664
1665 for (j = 0; j <= lc; j++) {
1666
1667 for (i = 0; i < 64; i++) {
1668 buffer_info = &tx_ring->buffer_info[k];
1669
1670 e1000_create_lbtest_frame(buffer_info->skb, 1024);
1671 dma_sync_single_for_device(&pdev->dev,
1672 buffer_info->dma,
1673 buffer_info->length,
1674 DMA_TO_DEVICE);
1675 k++;
1676 if (k == tx_ring->count)
1677 k = 0;
1678 }
1679 ew32(TDT(0), k);
1680 e1e_flush();
1681 msleep(200);
1682 time = jiffies;
1683 good_cnt = 0;
1684
1685 do {
1686 buffer_info = &rx_ring->buffer_info[l];
1687
1688 dma_sync_single_for_cpu(&pdev->dev,
1689 buffer_info->dma, 2048,
1690 DMA_FROM_DEVICE);
1691
1692 ret_val = e1000_check_lbtest_frame(buffer_info->skb,
1693 1024);
1694 if (!ret_val)
1695 good_cnt++;
1696 l++;
1697 if (l == rx_ring->count)
1698 l = 0;
1699
1700
1701
1702
1703 } while ((good_cnt < 64) && !time_after(jiffies, time + 20));
1704 if (good_cnt != 64) {
1705 ret_val = 13;
1706 break;
1707 }
1708 if (time_after(jiffies, time + 20)) {
1709 ret_val = 14;
1710 break;
1711 }
1712 }
1713 return ret_val;
1714}
1715
1716static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data)
1717{
1718 struct e1000_hw *hw = &adapter->hw;
1719
1720
1721 if (hw->phy.ops.check_reset_block &&
1722 hw->phy.ops.check_reset_block(hw)) {
1723 e_err("Cannot do PHY loopback test when SoL/IDER is active.\n");
1724 *data = 0;
1725 goto out;
1726 }
1727
1728 *data = e1000_setup_desc_rings(adapter);
1729 if (*data)
1730 goto out;
1731
1732 *data = e1000_setup_loopback_test(adapter);
1733 if (*data)
1734 goto err_loopback;
1735
1736 *data = e1000_run_loopback_test(adapter);
1737 e1000_loopback_cleanup(adapter);
1738
1739err_loopback:
1740 e1000_free_desc_rings(adapter);
1741out:
1742 return *data;
1743}
1744
1745static int e1000_link_test(struct e1000_adapter *adapter, u64 *data)
1746{
1747 struct e1000_hw *hw = &adapter->hw;
1748
1749 *data = 0;
1750 if (hw->phy.media_type == e1000_media_type_internal_serdes) {
1751 int i = 0;
1752
1753 hw->mac.serdes_has_link = false;
1754
1755
1756
1757
1758 do {
1759 hw->mac.ops.check_for_link(hw);
1760 if (hw->mac.serdes_has_link)
1761 return *data;
1762 msleep(20);
1763 } while (i++ < 3750);
1764
1765 *data = 1;
1766 } else {
1767 hw->mac.ops.check_for_link(hw);
1768 if (hw->mac.autoneg)
1769
1770
1771
1772 msleep_interruptible(5000);
1773
1774 if (!(er32(STATUS) & E1000_STATUS_LU))
1775 *data = 1;
1776 }
1777 return *data;
1778}
1779
1780static int e1000e_get_sset_count(struct net_device __always_unused *netdev,
1781 int sset)
1782{
1783 switch (sset) {
1784 case ETH_SS_TEST:
1785 return E1000_TEST_LEN;
1786 case ETH_SS_STATS:
1787 return E1000_STATS_LEN;
1788 case ETH_SS_PRIV_FLAGS:
1789 return E1000E_PRIV_FLAGS_STR_LEN;
1790 default:
1791 return -EOPNOTSUPP;
1792 }
1793}
1794
1795static void e1000_diag_test(struct net_device *netdev,
1796 struct ethtool_test *eth_test, u64 *data)
1797{
1798 struct e1000_adapter *adapter = netdev_priv(netdev);
1799 u16 autoneg_advertised;
1800 u8 forced_speed_duplex;
1801 u8 autoneg;
1802 bool if_running = netif_running(netdev);
1803
1804 pm_runtime_get_sync(netdev->dev.parent);
1805
1806 set_bit(__E1000_TESTING, &adapter->state);
1807
1808 if (!if_running) {
1809
1810 if (adapter->flags & FLAG_HAS_AMT)
1811 e1000e_get_hw_control(adapter);
1812
1813 e1000e_power_up_phy(adapter);
1814
1815 adapter->hw.phy.autoneg_wait_to_complete = 1;
1816 e1000e_reset(adapter);
1817 adapter->hw.phy.autoneg_wait_to_complete = 0;
1818 }
1819
1820 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1821
1822
1823
1824 autoneg_advertised = adapter->hw.phy.autoneg_advertised;
1825 forced_speed_duplex = adapter->hw.mac.forced_speed_duplex;
1826 autoneg = adapter->hw.mac.autoneg;
1827
1828 e_info("offline testing starting\n");
1829
1830 if (if_running)
1831
1832 e1000e_close(netdev);
1833
1834 if (e1000_reg_test(adapter, &data[0]))
1835 eth_test->flags |= ETH_TEST_FL_FAILED;
1836
1837 e1000e_reset(adapter);
1838 if (e1000_eeprom_test(adapter, &data[1]))
1839 eth_test->flags |= ETH_TEST_FL_FAILED;
1840
1841 e1000e_reset(adapter);
1842 if (e1000_intr_test(adapter, &data[2]))
1843 eth_test->flags |= ETH_TEST_FL_FAILED;
1844
1845 e1000e_reset(adapter);
1846 if (e1000_loopback_test(adapter, &data[3]))
1847 eth_test->flags |= ETH_TEST_FL_FAILED;
1848
1849
1850 adapter->hw.phy.autoneg_wait_to_complete = 1;
1851 e1000e_reset(adapter);
1852 adapter->hw.phy.autoneg_wait_to_complete = 0;
1853
1854 if (e1000_link_test(adapter, &data[4]))
1855 eth_test->flags |= ETH_TEST_FL_FAILED;
1856
1857
1858 adapter->hw.phy.autoneg_advertised = autoneg_advertised;
1859 adapter->hw.mac.forced_speed_duplex = forced_speed_duplex;
1860 adapter->hw.mac.autoneg = autoneg;
1861 e1000e_reset(adapter);
1862
1863 clear_bit(__E1000_TESTING, &adapter->state);
1864 if (if_running)
1865 e1000e_open(netdev);
1866 } else {
1867
1868
1869 e_info("online testing starting\n");
1870
1871
1872 data[0] = 0;
1873 data[1] = 0;
1874 data[2] = 0;
1875 data[3] = 0;
1876
1877 if (e1000_link_test(adapter, &data[4]))
1878 eth_test->flags |= ETH_TEST_FL_FAILED;
1879
1880 clear_bit(__E1000_TESTING, &adapter->state);
1881 }
1882
1883 if (!if_running) {
1884 e1000e_reset(adapter);
1885
1886 if (adapter->flags & FLAG_HAS_AMT)
1887 e1000e_release_hw_control(adapter);
1888 }
1889
1890 msleep_interruptible(4 * 1000);
1891
1892 pm_runtime_put_sync(netdev->dev.parent);
1893}
1894
1895static void e1000_get_wol(struct net_device *netdev,
1896 struct ethtool_wolinfo *wol)
1897{
1898 struct e1000_adapter *adapter = netdev_priv(netdev);
1899
1900 wol->supported = 0;
1901 wol->wolopts = 0;
1902
1903 if (!(adapter->flags & FLAG_HAS_WOL) ||
1904 !device_can_wakeup(&adapter->pdev->dev))
1905 return;
1906
1907 wol->supported = WAKE_UCAST | WAKE_MCAST |
1908 WAKE_BCAST | WAKE_MAGIC | WAKE_PHY;
1909
1910
1911 if (adapter->flags & FLAG_NO_WAKE_UCAST) {
1912 wol->supported &= ~WAKE_UCAST;
1913
1914 if (adapter->wol & E1000_WUFC_EX)
1915 e_err("Interface does not support directed (unicast) frame wake-up packets\n");
1916 }
1917
1918 if (adapter->wol & E1000_WUFC_EX)
1919 wol->wolopts |= WAKE_UCAST;
1920 if (adapter->wol & E1000_WUFC_MC)
1921 wol->wolopts |= WAKE_MCAST;
1922 if (adapter->wol & E1000_WUFC_BC)
1923 wol->wolopts |= WAKE_BCAST;
1924 if (adapter->wol & E1000_WUFC_MAG)
1925 wol->wolopts |= WAKE_MAGIC;
1926 if (adapter->wol & E1000_WUFC_LNKC)
1927 wol->wolopts |= WAKE_PHY;
1928}
1929
1930static int e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1931{
1932 struct e1000_adapter *adapter = netdev_priv(netdev);
1933
1934 if (!(adapter->flags & FLAG_HAS_WOL) ||
1935 !device_can_wakeup(&adapter->pdev->dev) ||
1936 (wol->wolopts & ~(WAKE_UCAST | WAKE_MCAST | WAKE_BCAST |
1937 WAKE_MAGIC | WAKE_PHY)))
1938 return -EOPNOTSUPP;
1939
1940
1941 adapter->wol = 0;
1942
1943 if (wol->wolopts & WAKE_UCAST)
1944 adapter->wol |= E1000_WUFC_EX;
1945 if (wol->wolopts & WAKE_MCAST)
1946 adapter->wol |= E1000_WUFC_MC;
1947 if (wol->wolopts & WAKE_BCAST)
1948 adapter->wol |= E1000_WUFC_BC;
1949 if (wol->wolopts & WAKE_MAGIC)
1950 adapter->wol |= E1000_WUFC_MAG;
1951 if (wol->wolopts & WAKE_PHY)
1952 adapter->wol |= E1000_WUFC_LNKC;
1953
1954 device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
1955
1956 return 0;
1957}
1958
1959static int e1000_set_phys_id(struct net_device *netdev,
1960 enum ethtool_phys_id_state state)
1961{
1962 struct e1000_adapter *adapter = netdev_priv(netdev);
1963 struct e1000_hw *hw = &adapter->hw;
1964
1965 switch (state) {
1966 case ETHTOOL_ID_ACTIVE:
1967 pm_runtime_get_sync(netdev->dev.parent);
1968
1969 if (!hw->mac.ops.blink_led)
1970 return 2;
1971
1972 hw->mac.ops.blink_led(hw);
1973 break;
1974
1975 case ETHTOOL_ID_INACTIVE:
1976 if (hw->phy.type == e1000_phy_ife)
1977 e1e_wphy(hw, IFE_PHY_SPECIAL_CONTROL_LED, 0);
1978 hw->mac.ops.led_off(hw);
1979 hw->mac.ops.cleanup_led(hw);
1980 pm_runtime_put_sync(netdev->dev.parent);
1981 break;
1982
1983 case ETHTOOL_ID_ON:
1984 hw->mac.ops.led_on(hw);
1985 break;
1986
1987 case ETHTOOL_ID_OFF:
1988 hw->mac.ops.led_off(hw);
1989 break;
1990 }
1991
1992 return 0;
1993}
1994
1995static int e1000_get_coalesce(struct net_device *netdev,
1996 struct ethtool_coalesce *ec,
1997 struct kernel_ethtool_coalesce *kernel_coal,
1998 struct netlink_ext_ack *extack)
1999{
2000 struct e1000_adapter *adapter = netdev_priv(netdev);
2001
2002 if (adapter->itr_setting <= 4)
2003 ec->rx_coalesce_usecs = adapter->itr_setting;
2004 else
2005 ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting;
2006
2007 return 0;
2008}
2009
2010static int e1000_set_coalesce(struct net_device *netdev,
2011 struct ethtool_coalesce *ec,
2012 struct kernel_ethtool_coalesce *kernel_coal,
2013 struct netlink_ext_ack *extack)
2014{
2015 struct e1000_adapter *adapter = netdev_priv(netdev);
2016
2017 if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) ||
2018 ((ec->rx_coalesce_usecs > 4) &&
2019 (ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) ||
2020 (ec->rx_coalesce_usecs == 2))
2021 return -EINVAL;
2022
2023 if (ec->rx_coalesce_usecs == 4) {
2024 adapter->itr_setting = 4;
2025 adapter->itr = adapter->itr_setting;
2026 } else if (ec->rx_coalesce_usecs <= 3) {
2027 adapter->itr = 20000;
2028 adapter->itr_setting = ec->rx_coalesce_usecs;
2029 } else {
2030 adapter->itr = (1000000 / ec->rx_coalesce_usecs);
2031 adapter->itr_setting = adapter->itr & ~3;
2032 }
2033
2034 pm_runtime_get_sync(netdev->dev.parent);
2035
2036 if (adapter->itr_setting != 0)
2037 e1000e_write_itr(adapter, adapter->itr);
2038 else
2039 e1000e_write_itr(adapter, 0);
2040
2041 pm_runtime_put_sync(netdev->dev.parent);
2042
2043 return 0;
2044}
2045
2046static int e1000_nway_reset(struct net_device *netdev)
2047{
2048 struct e1000_adapter *adapter = netdev_priv(netdev);
2049
2050 if (!netif_running(netdev))
2051 return -EAGAIN;
2052
2053 if (!adapter->hw.mac.autoneg)
2054 return -EINVAL;
2055
2056 pm_runtime_get_sync(netdev->dev.parent);
2057 e1000e_reinit_locked(adapter);
2058 pm_runtime_put_sync(netdev->dev.parent);
2059
2060 return 0;
2061}
2062
2063static void e1000_get_ethtool_stats(struct net_device *netdev,
2064 struct ethtool_stats __always_unused *stats,
2065 u64 *data)
2066{
2067 struct e1000_adapter *adapter = netdev_priv(netdev);
2068 struct rtnl_link_stats64 net_stats;
2069 int i;
2070 char *p = NULL;
2071
2072 pm_runtime_get_sync(netdev->dev.parent);
2073
2074 dev_get_stats(netdev, &net_stats);
2075
2076 pm_runtime_put_sync(netdev->dev.parent);
2077
2078 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
2079 switch (e1000_gstrings_stats[i].type) {
2080 case NETDEV_STATS:
2081 p = (char *)&net_stats +
2082 e1000_gstrings_stats[i].stat_offset;
2083 break;
2084 case E1000_STATS:
2085 p = (char *)adapter +
2086 e1000_gstrings_stats[i].stat_offset;
2087 break;
2088 default:
2089 data[i] = 0;
2090 continue;
2091 }
2092
2093 data[i] = (e1000_gstrings_stats[i].sizeof_stat ==
2094 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
2095 }
2096}
2097
2098static void e1000_get_strings(struct net_device __always_unused *netdev,
2099 u32 stringset, u8 *data)
2100{
2101 u8 *p = data;
2102 int i;
2103
2104 switch (stringset) {
2105 case ETH_SS_TEST:
2106 memcpy(data, e1000_gstrings_test, sizeof(e1000_gstrings_test));
2107 break;
2108 case ETH_SS_STATS:
2109 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
2110 memcpy(p, e1000_gstrings_stats[i].stat_string,
2111 ETH_GSTRING_LEN);
2112 p += ETH_GSTRING_LEN;
2113 }
2114 break;
2115 case ETH_SS_PRIV_FLAGS:
2116 memcpy(data, e1000e_priv_flags_strings,
2117 E1000E_PRIV_FLAGS_STR_LEN * ETH_GSTRING_LEN);
2118 break;
2119 }
2120}
2121
2122static int e1000_get_rxnfc(struct net_device *netdev,
2123 struct ethtool_rxnfc *info,
2124 u32 __always_unused *rule_locs)
2125{
2126 info->data = 0;
2127
2128 switch (info->cmd) {
2129 case ETHTOOL_GRXFH: {
2130 struct e1000_adapter *adapter = netdev_priv(netdev);
2131 struct e1000_hw *hw = &adapter->hw;
2132 u32 mrqc;
2133
2134 pm_runtime_get_sync(netdev->dev.parent);
2135 mrqc = er32(MRQC);
2136 pm_runtime_put_sync(netdev->dev.parent);
2137
2138 if (!(mrqc & E1000_MRQC_RSS_FIELD_MASK))
2139 return 0;
2140
2141 switch (info->flow_type) {
2142 case TCP_V4_FLOW:
2143 if (mrqc & E1000_MRQC_RSS_FIELD_IPV4_TCP)
2144 info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2145 fallthrough;
2146 case UDP_V4_FLOW:
2147 case SCTP_V4_FLOW:
2148 case AH_ESP_V4_FLOW:
2149 case IPV4_FLOW:
2150 if (mrqc & E1000_MRQC_RSS_FIELD_IPV4)
2151 info->data |= RXH_IP_SRC | RXH_IP_DST;
2152 break;
2153 case TCP_V6_FLOW:
2154 if (mrqc & E1000_MRQC_RSS_FIELD_IPV6_TCP)
2155 info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2156 fallthrough;
2157 case UDP_V6_FLOW:
2158 case SCTP_V6_FLOW:
2159 case AH_ESP_V6_FLOW:
2160 case IPV6_FLOW:
2161 if (mrqc & E1000_MRQC_RSS_FIELD_IPV6)
2162 info->data |= RXH_IP_SRC | RXH_IP_DST;
2163 break;
2164 default:
2165 break;
2166 }
2167 return 0;
2168 }
2169 default:
2170 return -EOPNOTSUPP;
2171 }
2172}
2173
2174static int e1000e_get_eee(struct net_device *netdev, struct ethtool_eee *edata)
2175{
2176 struct e1000_adapter *adapter = netdev_priv(netdev);
2177 struct e1000_hw *hw = &adapter->hw;
2178 u16 cap_addr, lpa_addr, pcs_stat_addr, phy_data;
2179 u32 ret_val;
2180
2181 if (!(adapter->flags2 & FLAG2_HAS_EEE))
2182 return -EOPNOTSUPP;
2183
2184 switch (hw->phy.type) {
2185 case e1000_phy_82579:
2186 cap_addr = I82579_EEE_CAPABILITY;
2187 lpa_addr = I82579_EEE_LP_ABILITY;
2188 pcs_stat_addr = I82579_EEE_PCS_STATUS;
2189 break;
2190 case e1000_phy_i217:
2191 cap_addr = I217_EEE_CAPABILITY;
2192 lpa_addr = I217_EEE_LP_ABILITY;
2193 pcs_stat_addr = I217_EEE_PCS_STATUS;
2194 break;
2195 default:
2196 return -EOPNOTSUPP;
2197 }
2198
2199 pm_runtime_get_sync(netdev->dev.parent);
2200
2201 ret_val = hw->phy.ops.acquire(hw);
2202 if (ret_val) {
2203 pm_runtime_put_sync(netdev->dev.parent);
2204 return -EBUSY;
2205 }
2206
2207
2208 ret_val = e1000_read_emi_reg_locked(hw, cap_addr, &phy_data);
2209 if (ret_val)
2210 goto release;
2211 edata->supported = mmd_eee_cap_to_ethtool_sup_t(phy_data);
2212
2213
2214 edata->advertised = mmd_eee_adv_to_ethtool_adv_t(adapter->eee_advert);
2215
2216
2217 ret_val = e1000_read_emi_reg_locked(hw, lpa_addr, &phy_data);
2218 if (ret_val)
2219 goto release;
2220 edata->lp_advertised = mmd_eee_adv_to_ethtool_adv_t(phy_data);
2221
2222
2223 ret_val = e1000_read_emi_reg_locked(hw, pcs_stat_addr, &phy_data);
2224 if (ret_val)
2225 goto release;
2226 if (hw->phy.type == e1000_phy_82579)
2227 phy_data <<= 8;
2228
2229
2230
2231
2232
2233 if (phy_data & (E1000_EEE_TX_LPI_RCVD | E1000_EEE_RX_LPI_RCVD))
2234 edata->eee_active = true;
2235
2236 edata->eee_enabled = !hw->dev_spec.ich8lan.eee_disable;
2237 edata->tx_lpi_enabled = true;
2238 edata->tx_lpi_timer = er32(LPIC) >> E1000_LPIC_LPIET_SHIFT;
2239
2240release:
2241 hw->phy.ops.release(hw);
2242 if (ret_val)
2243 ret_val = -ENODATA;
2244
2245 pm_runtime_put_sync(netdev->dev.parent);
2246
2247 return ret_val;
2248}
2249
2250static int e1000e_set_eee(struct net_device *netdev, struct ethtool_eee *edata)
2251{
2252 struct e1000_adapter *adapter = netdev_priv(netdev);
2253 struct e1000_hw *hw = &adapter->hw;
2254 struct ethtool_eee eee_curr;
2255 s32 ret_val;
2256
2257 ret_val = e1000e_get_eee(netdev, &eee_curr);
2258 if (ret_val)
2259 return ret_val;
2260
2261 if (eee_curr.tx_lpi_enabled != edata->tx_lpi_enabled) {
2262 e_err("Setting EEE tx-lpi is not supported\n");
2263 return -EINVAL;
2264 }
2265
2266 if (eee_curr.tx_lpi_timer != edata->tx_lpi_timer) {
2267 e_err("Setting EEE Tx LPI timer is not supported\n");
2268 return -EINVAL;
2269 }
2270
2271 if (edata->advertised & ~(ADVERTISE_100_FULL | ADVERTISE_1000_FULL)) {
2272 e_err("EEE advertisement supports only 100TX and/or 1000T full-duplex\n");
2273 return -EINVAL;
2274 }
2275
2276 adapter->eee_advert = ethtool_adv_to_mmd_eee_adv_t(edata->advertised);
2277
2278 hw->dev_spec.ich8lan.eee_disable = !edata->eee_enabled;
2279
2280 pm_runtime_get_sync(netdev->dev.parent);
2281
2282
2283 if (netif_running(netdev))
2284 e1000e_reinit_locked(adapter);
2285 else
2286 e1000e_reset(adapter);
2287
2288 pm_runtime_put_sync(netdev->dev.parent);
2289
2290 return 0;
2291}
2292
2293static int e1000e_get_ts_info(struct net_device *netdev,
2294 struct ethtool_ts_info *info)
2295{
2296 struct e1000_adapter *adapter = netdev_priv(netdev);
2297
2298 ethtool_op_get_ts_info(netdev, info);
2299
2300 if (!(adapter->flags & FLAG_HAS_HW_TIMESTAMP))
2301 return 0;
2302
2303 info->so_timestamping |= (SOF_TIMESTAMPING_TX_HARDWARE |
2304 SOF_TIMESTAMPING_RX_HARDWARE |
2305 SOF_TIMESTAMPING_RAW_HARDWARE);
2306
2307 info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON);
2308
2309 info->rx_filters = (BIT(HWTSTAMP_FILTER_NONE) |
2310 BIT(HWTSTAMP_FILTER_PTP_V1_L4_SYNC) |
2311 BIT(HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) |
2312 BIT(HWTSTAMP_FILTER_PTP_V2_L4_SYNC) |
2313 BIT(HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ) |
2314 BIT(HWTSTAMP_FILTER_PTP_V2_L2_SYNC) |
2315 BIT(HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ) |
2316 BIT(HWTSTAMP_FILTER_PTP_V2_EVENT) |
2317 BIT(HWTSTAMP_FILTER_PTP_V2_SYNC) |
2318 BIT(HWTSTAMP_FILTER_PTP_V2_DELAY_REQ) |
2319 BIT(HWTSTAMP_FILTER_ALL));
2320
2321 if (adapter->ptp_clock)
2322 info->phc_index = ptp_clock_index(adapter->ptp_clock);
2323
2324 return 0;
2325}
2326
2327static u32 e1000e_get_priv_flags(struct net_device *netdev)
2328{
2329 struct e1000_adapter *adapter = netdev_priv(netdev);
2330 u32 priv_flags = 0;
2331
2332 if (adapter->flags2 & FLAG2_ENABLE_S0IX_FLOWS)
2333 priv_flags |= E1000E_PRIV_FLAGS_S0IX_ENABLED;
2334
2335 return priv_flags;
2336}
2337
2338static int e1000e_set_priv_flags(struct net_device *netdev, u32 priv_flags)
2339{
2340 struct e1000_adapter *adapter = netdev_priv(netdev);
2341 unsigned int flags2 = adapter->flags2;
2342
2343 flags2 &= ~FLAG2_ENABLE_S0IX_FLOWS;
2344 if (priv_flags & E1000E_PRIV_FLAGS_S0IX_ENABLED) {
2345 struct e1000_hw *hw = &adapter->hw;
2346
2347 if (hw->mac.type < e1000_pch_cnp)
2348 return -EINVAL;
2349 flags2 |= FLAG2_ENABLE_S0IX_FLOWS;
2350 }
2351
2352 if (flags2 != adapter->flags2)
2353 adapter->flags2 = flags2;
2354
2355 return 0;
2356}
2357
2358static const struct ethtool_ops e1000_ethtool_ops = {
2359 .supported_coalesce_params = ETHTOOL_COALESCE_RX_USECS,
2360 .get_drvinfo = e1000_get_drvinfo,
2361 .get_regs_len = e1000_get_regs_len,
2362 .get_regs = e1000_get_regs,
2363 .get_wol = e1000_get_wol,
2364 .set_wol = e1000_set_wol,
2365 .get_msglevel = e1000_get_msglevel,
2366 .set_msglevel = e1000_set_msglevel,
2367 .nway_reset = e1000_nway_reset,
2368 .get_link = ethtool_op_get_link,
2369 .get_eeprom_len = e1000_get_eeprom_len,
2370 .get_eeprom = e1000_get_eeprom,
2371 .set_eeprom = e1000_set_eeprom,
2372 .get_ringparam = e1000_get_ringparam,
2373 .set_ringparam = e1000_set_ringparam,
2374 .get_pauseparam = e1000_get_pauseparam,
2375 .set_pauseparam = e1000_set_pauseparam,
2376 .self_test = e1000_diag_test,
2377 .get_strings = e1000_get_strings,
2378 .set_phys_id = e1000_set_phys_id,
2379 .get_ethtool_stats = e1000_get_ethtool_stats,
2380 .get_sset_count = e1000e_get_sset_count,
2381 .get_coalesce = e1000_get_coalesce,
2382 .set_coalesce = e1000_set_coalesce,
2383 .get_rxnfc = e1000_get_rxnfc,
2384 .get_ts_info = e1000e_get_ts_info,
2385 .get_eee = e1000e_get_eee,
2386 .set_eee = e1000e_set_eee,
2387 .get_link_ksettings = e1000_get_link_ksettings,
2388 .set_link_ksettings = e1000_set_link_ksettings,
2389 .get_priv_flags = e1000e_get_priv_flags,
2390 .set_priv_flags = e1000e_set_priv_flags,
2391};
2392
2393void e1000e_set_ethtool_ops(struct net_device *netdev)
2394{
2395 netdev->ethtool_ops = &e1000_ethtool_ops;
2396}
2397
