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e1000e: test for valid check_reset_block function pointer
[mirror_ubuntu-bionic-kernel.git] / drivers / net / ethernet / intel / e1000e / ethtool.c
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
41 enum {NETDEV_STATS, E1000_STATS};
42
43 struct 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
61 static 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)
115 static 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
122 static 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
205 static 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
246 err_inval:
247 e_err("Unsupported Speed/Duplex configuration\n");
248 return -EINVAL;
249 }
250
251 static 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
304 static 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
323 static 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
366 out:
367 clear_bit(__E1000_RESETTING, &adapter->state);
368 return retval;
369 }
370
371 static u32 e1000_get_msglevel(struct net_device *netdev)
372 {
373 struct e1000_adapter *adapter = netdev_priv(netdev);
374 return adapter->msg_enable;
375 }
376
377 static 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
383 static 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
389 static 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
443 static 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
449 static 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
502 static 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
574 out:
575 kfree(eeprom_buff);
576 return ret_val;
577 }
578
579 static 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
605 static 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
616 static 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
706 err_setup_rx:
707 if (err && set_tx)
708 e1000e_free_tx_resources(temp_tx);
709 err_setup:
710 e1000e_up(adapter);
711 free_temp:
712 vfree(temp_tx);
713 vfree(temp_rx);
714 clear_reset:
715 clear_bit(__E1000_RESETTING, &adapter->state);
716 return err;
717 }
718
719 static 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
739 static 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
767 static 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
871 static 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
894 static 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
905 static 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
1028 out:
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
1038 static 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
1085 static 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
1222 err_nomem:
1223 e1000_free_desc_rings(adapter);
1224 return ret_val;
1225 }
1226
1227 static 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
1236 static 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
1366 static 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 */
1408 static 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
1444 static 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
1472 static 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
1516 static 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
1526 static 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
1537 static 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
1611 static 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
1637 err_loopback:
1638 e1000_free_desc_rings(adapter);
1639 out:
1640 return *data;
1641 }
1642
1643 static 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
1679 static 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
1691 static 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
1787 static 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
1822 static 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
1851 static 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
1883 static 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
1896 static 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
1926 static 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
1941 static 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
1971 static 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
1991 static 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
2038 static 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
2067 void e1000e_set_ethtool_ops(struct net_device *netdev)
2068 {
2069 SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops);
2070 }
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