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e1000e: add support for new 82574L part
[linux-2.6-block.git] / drivers / net / e1000e / ethtool.c
CommitLineData
bc7f75fa
AK		 1/*******************************************************************************
2
3 Intel PRO/1000 Linux driver
ad68076e 4 Copyright(c) 1999 - 2008 Intel Corporation.
bc7f75fa
AK		 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/ethtool.h>
33#include <linux/pci.h>
34#include <linux/delay.h>
35
36#include "e1000.h"
37
38struct e1000_stats {
39 char stat_string[ETH_GSTRING_LEN];
40 int sizeof_stat;
41 int stat_offset;
42};
43
44#define E1000_STAT(m) sizeof(((struct e1000_adapter *)0)->m), \
45 offsetof(struct e1000_adapter, m)
46static const struct e1000_stats e1000_gstrings_stats[] = {
47 { "rx_packets", E1000_STAT(stats.gprc) },
48 { "tx_packets", E1000_STAT(stats.gptc) },
7c25769f
BA		 49 { "rx_bytes", E1000_STAT(stats.gorc) },
50 { "tx_bytes", E1000_STAT(stats.gotc) },
bc7f75fa
AK		 51 { "rx_broadcast", E1000_STAT(stats.bprc) },
52 { "tx_broadcast", E1000_STAT(stats.bptc) },
53 { "rx_multicast", E1000_STAT(stats.mprc) },
54 { "tx_multicast", E1000_STAT(stats.mptc) },
55 { "rx_errors", E1000_STAT(net_stats.rx_errors) },
56 { "tx_errors", E1000_STAT(net_stats.tx_errors) },
57 { "tx_dropped", E1000_STAT(net_stats.tx_dropped) },
58 { "multicast", E1000_STAT(stats.mprc) },
59 { "collisions", E1000_STAT(stats.colc) },
60 { "rx_length_errors", E1000_STAT(net_stats.rx_length_errors) },
61 { "rx_over_errors", E1000_STAT(net_stats.rx_over_errors) },
62 { "rx_crc_errors", E1000_STAT(stats.crcerrs) },
63 { "rx_frame_errors", E1000_STAT(net_stats.rx_frame_errors) },
64 { "rx_no_buffer_count", E1000_STAT(stats.rnbc) },
65 { "rx_missed_errors", E1000_STAT(stats.mpc) },
66 { "tx_aborted_errors", E1000_STAT(stats.ecol) },
67 { "tx_carrier_errors", E1000_STAT(stats.tncrs) },
68 { "tx_fifo_errors", E1000_STAT(net_stats.tx_fifo_errors) },
69 { "tx_heartbeat_errors", E1000_STAT(net_stats.tx_heartbeat_errors) },
70 { "tx_window_errors", E1000_STAT(stats.latecol) },
71 { "tx_abort_late_coll", E1000_STAT(stats.latecol) },
72 { "tx_deferred_ok", E1000_STAT(stats.dc) },
73 { "tx_single_coll_ok", E1000_STAT(stats.scc) },
74 { "tx_multi_coll_ok", E1000_STAT(stats.mcc) },
75 { "tx_timeout_count", E1000_STAT(tx_timeout_count) },
76 { "tx_restart_queue", E1000_STAT(restart_queue) },
77 { "rx_long_length_errors", E1000_STAT(stats.roc) },
78 { "rx_short_length_errors", E1000_STAT(stats.ruc) },
79 { "rx_align_errors", E1000_STAT(stats.algnerrc) },
80 { "tx_tcp_seg_good", E1000_STAT(stats.tsctc) },
81 { "tx_tcp_seg_failed", E1000_STAT(stats.tsctfc) },
82 { "rx_flow_control_xon", E1000_STAT(stats.xonrxc) },
83 { "rx_flow_control_xoff", E1000_STAT(stats.xoffrxc) },
84 { "tx_flow_control_xon", E1000_STAT(stats.xontxc) },
85 { "tx_flow_control_xoff", E1000_STAT(stats.xofftxc) },
7c25769f 86 { "rx_long_byte_count", E1000_STAT(stats.gorc) },
bc7f75fa
AK		 87 { "rx_csum_offload_good", E1000_STAT(hw_csum_good) },
88 { "rx_csum_offload_errors", E1000_STAT(hw_csum_err) },
89 { "rx_header_split", E1000_STAT(rx_hdr_split) },
90 { "alloc_rx_buff_failed", E1000_STAT(alloc_rx_buff_failed) },
91 { "tx_smbus", E1000_STAT(stats.mgptc) },
92 { "rx_smbus", E1000_STAT(stats.mgprc) },
93 { "dropped_smbus", E1000_STAT(stats.mgpdc) },
94 { "rx_dma_failed", E1000_STAT(rx_dma_failed) },
95 { "tx_dma_failed", E1000_STAT(tx_dma_failed) },
96};
97
c00acf46 98#define E1000_GLOBAL_STATS_LEN ARRAY_SIZE(e1000_gstrings_stats)
bc7f75fa
AK		 99#define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN)
100static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = {
101 "Register test (offline)", "Eeprom test (offline)",
102 "Interrupt test (offline)", "Loopback test (offline)",
103 "Link test (on/offline)"
104};
ad68076e 105#define E1000_TEST_LEN ARRAY_SIZE(e1000_gstrings_test)
bc7f75fa
AK		 106
107static int e1000_get_settings(struct net_device *netdev,
108 struct ethtool_cmd *ecmd)
109{
110 struct e1000_adapter *adapter = netdev_priv(netdev);
111 struct e1000_hw *hw = &adapter->hw;
369d742d 112 u32 status;
bc7f75fa 113
318a94d6 114 if (hw->phy.media_type == e1000_media_type_copper) {
bc7f75fa
AK		 115
116 ecmd->supported = (SUPPORTED_10baseT_Half |
117 SUPPORTED_10baseT_Full |
118 SUPPORTED_100baseT_Half |
119 SUPPORTED_100baseT_Full |
120 SUPPORTED_1000baseT_Full |
121 SUPPORTED_Autoneg |
122 SUPPORTED_TP);
123 if (hw->phy.type == e1000_phy_ife)
124 ecmd->supported &= ~SUPPORTED_1000baseT_Full;
125 ecmd->advertising = ADVERTISED_TP;
126
127 if (hw->mac.autoneg == 1) {
128 ecmd->advertising |= ADVERTISED_Autoneg;
129 /* the e1000 autoneg seems to match ethtool nicely */
130 ecmd->advertising |= hw->phy.autoneg_advertised;
131 }
132
133 ecmd->port = PORT_TP;
134 ecmd->phy_address = hw->phy.addr;
135 ecmd->transceiver = XCVR_INTERNAL;
136
137 } else {
138 ecmd->supported = (SUPPORTED_1000baseT_Full |
139 SUPPORTED_FIBRE |
140 SUPPORTED_Autoneg);
141
142 ecmd->advertising = (ADVERTISED_1000baseT_Full |
143 ADVERTISED_FIBRE |
144 ADVERTISED_Autoneg);
145
146 ecmd->port = PORT_FIBRE;
147 ecmd->transceiver = XCVR_EXTERNAL;
148 }
149
369d742d
AK		 150 status = er32(STATUS);
151 if (status & E1000_STATUS_LU) {
152 if (status & E1000_STATUS_SPEED_1000)
153 ecmd->speed = 1000;
154 else if (status & E1000_STATUS_SPEED_100)
155 ecmd->speed = 100;
156 else
157 ecmd->speed = 10;
bc7f75fa 158
369d742d 159 if (status & E1000_STATUS_FD)
bc7f75fa
AK		 160 ecmd->duplex = DUPLEX_FULL;
161 else
162 ecmd->duplex = DUPLEX_HALF;
163 } else {
164 ecmd->speed = -1;
165 ecmd->duplex = -1;
166 }
167
318a94d6 168 ecmd->autoneg = ((hw->phy.media_type == e1000_media_type_fiber) ||
bc7f75fa
AK		 169 hw->mac.autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE;
170 return 0;
171}
172
369d742d
AK		 173static u32 e1000_get_link(struct net_device *netdev)
174{
175 struct e1000_adapter *adapter = netdev_priv(netdev);
176 struct e1000_hw *hw = &adapter->hw;
177 u32 status;
178
179 status = er32(STATUS);
56e1f829 180 return (status & E1000_STATUS_LU) ? 1 : 0;
369d742d
AK		 181}
182
bc7f75fa
AK		 183static int e1000_set_spd_dplx(struct e1000_adapter *adapter, u16 spddplx)
184{
185 struct e1000_mac_info *mac = &adapter->hw.mac;
186
187 mac->autoneg = 0;
188
189 /* Fiber NICs only allow 1000 gbps Full duplex */
318a94d6 190 if ((adapter->hw.phy.media_type == e1000_media_type_fiber) &&
bc7f75fa 191 spddplx != (SPEED_1000 + DUPLEX_FULL)) {
44defeb3 192 e_err("Unsupported Speed/Duplex configuration\n");
bc7f75fa
AK		 193 return -EINVAL;
194 }
195
196 switch (spddplx) {
197 case SPEED_10 + DUPLEX_HALF:
198 mac->forced_speed_duplex = ADVERTISE_10_HALF;
199 break;
200 case SPEED_10 + DUPLEX_FULL:
201 mac->forced_speed_duplex = ADVERTISE_10_FULL;
202 break;
203 case SPEED_100 + DUPLEX_HALF:
204 mac->forced_speed_duplex = ADVERTISE_100_HALF;
205 break;
206 case SPEED_100 + DUPLEX_FULL:
207 mac->forced_speed_duplex = ADVERTISE_100_FULL;
208 break;
209 case SPEED_1000 + DUPLEX_FULL:
210 mac->autoneg = 1;
211 adapter->hw.phy.autoneg_advertised = ADVERTISE_1000_FULL;
212 break;
213 case SPEED_1000 + DUPLEX_HALF: /* not supported */
214 default:
44defeb3 215 e_err("Unsupported Speed/Duplex configuration\n");
bc7f75fa
AK		 216 return -EINVAL;
217 }
218 return 0;
219}
220
221static int e1000_set_settings(struct net_device *netdev,
222 struct ethtool_cmd *ecmd)
223{
224 struct e1000_adapter *adapter = netdev_priv(netdev);
225 struct e1000_hw *hw = &adapter->hw;
226
ad68076e
BA		 227 /*
228 * When SoL/IDER sessions are active, autoneg/speed/duplex
229 * cannot be changed
230 */
bc7f75fa 231 if (e1000_check_reset_block(hw)) {
44defeb3
JK		 232 e_err("Cannot change link characteristics when SoL/IDER is "
233 "active.\n");
bc7f75fa
AK		 234 return -EINVAL;
235 }
236
237 while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
238 msleep(1);
239
240 if (ecmd->autoneg == AUTONEG_ENABLE) {
241 hw->mac.autoneg = 1;
318a94d6 242 if (hw->phy.media_type == e1000_media_type_fiber)
bc7f75fa
AK		 243 hw->phy.autoneg_advertised = ADVERTISED_1000baseT_Full |
244 ADVERTISED_FIBRE |
245 ADVERTISED_Autoneg;
246 else
247 hw->phy.autoneg_advertised = ecmd->advertising |
248 ADVERTISED_TP |
249 ADVERTISED_Autoneg;
250 ecmd->advertising = hw->phy.autoneg_advertised;
318a94d6
JK		 251 if (adapter->fc_autoneg)
252 hw->fc.original_type = e1000_fc_default;
bc7f75fa
AK		 253 } else {
254 if (e1000_set_spd_dplx(adapter, ecmd->speed + ecmd->duplex)) {
255 clear_bit(__E1000_RESETTING, &adapter->state);
256 return -EINVAL;
257 }
258 }
259
260 /* reset the link */
261
262 if (netif_running(adapter->netdev)) {
263 e1000e_down(adapter);
264 e1000e_up(adapter);
265 } else {
266 e1000e_reset(adapter);
267 }
268
269 clear_bit(__E1000_RESETTING, &adapter->state);
270 return 0;
271}
272
273static void e1000_get_pauseparam(struct net_device *netdev,
274 struct ethtool_pauseparam *pause)
275{
276 struct e1000_adapter *adapter = netdev_priv(netdev);
277 struct e1000_hw *hw = &adapter->hw;
278
279 pause->autoneg =
280 (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE);
281
318a94d6 282 if (hw->fc.type == e1000_fc_rx_pause) {
bc7f75fa 283 pause->rx_pause = 1;
318a94d6 284 } else if (hw->fc.type == e1000_fc_tx_pause) {
bc7f75fa 285 pause->tx_pause = 1;
318a94d6 286 } else if (hw->fc.type == e1000_fc_full) {
bc7f75fa
AK		 287 pause->rx_pause = 1;
288 pause->tx_pause = 1;
289 }
290}
291
292static int e1000_set_pauseparam(struct net_device *netdev,
293 struct ethtool_pauseparam *pause)
294{
295 struct e1000_adapter *adapter = netdev_priv(netdev);
296 struct e1000_hw *hw = &adapter->hw;
297 int retval = 0;
298
299 adapter->fc_autoneg = pause->autoneg;
300
301 while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
302 msleep(1);
303
304 if (pause->rx_pause && pause->tx_pause)
318a94d6 305 hw->fc.type = e1000_fc_full;
bc7f75fa 306 else if (pause->rx_pause && !pause->tx_pause)
318a94d6 307 hw->fc.type = e1000_fc_rx_pause;
bc7f75fa 308 else if (!pause->rx_pause && pause->tx_pause)
318a94d6 309 hw->fc.type = e1000_fc_tx_pause;
bc7f75fa 310 else if (!pause->rx_pause && !pause->tx_pause)
318a94d6 311 hw->fc.type = e1000_fc_none;
bc7f75fa 312
318a94d6 313 hw->fc.original_type = hw->fc.type;
bc7f75fa
AK		 314
315 if (adapter->fc_autoneg == AUTONEG_ENABLE) {
318a94d6 316 hw->fc.type = e1000_fc_default;
bc7f75fa
AK		 317 if (netif_running(adapter->netdev)) {
318 e1000e_down(adapter);
319 e1000e_up(adapter);
320 } else {
321 e1000e_reset(adapter);
322 }
323 } else {
318a94d6 324 retval = ((hw->phy.media_type == e1000_media_type_fiber) ?
bc7f75fa
AK		 325 hw->mac.ops.setup_link(hw) : e1000e_force_mac_fc(hw));
326 }
327
328 clear_bit(__E1000_RESETTING, &adapter->state);
329 return retval;
330}
331
332static u32 e1000_get_rx_csum(struct net_device *netdev)
333{
334 struct e1000_adapter *adapter = netdev_priv(netdev);
335 return (adapter->flags & FLAG_RX_CSUM_ENABLED);
336}
337
338static int e1000_set_rx_csum(struct net_device *netdev, u32 data)
339{
340 struct e1000_adapter *adapter = netdev_priv(netdev);
341
342 if (data)
343 adapter->flags |= FLAG_RX_CSUM_ENABLED;
344 else
345 adapter->flags &= ~FLAG_RX_CSUM_ENABLED;
346
347 if (netif_running(netdev))
348 e1000e_reinit_locked(adapter);
349 else
350 e1000e_reset(adapter);
351 return 0;
352}
353
354static u32 e1000_get_tx_csum(struct net_device *netdev)
355{
356 return ((netdev->features & NETIF_F_HW_CSUM) != 0);
357}
358
359static int e1000_set_tx_csum(struct net_device *netdev, u32 data)
360{
361 if (data)
362 netdev->features |= NETIF_F_HW_CSUM;
363 else
364 netdev->features &= ~NETIF_F_HW_CSUM;
365
366 return 0;
367}
368
369static int e1000_set_tso(struct net_device *netdev, u32 data)
370{
371 struct e1000_adapter *adapter = netdev_priv(netdev);
372
373 if (data) {
374 netdev->features |= NETIF_F_TSO;
375 netdev->features |= NETIF_F_TSO6;
376 } else {
377 netdev->features &= ~NETIF_F_TSO;
378 netdev->features &= ~NETIF_F_TSO6;
379 }
380
44defeb3 381 e_info("TSO is %s\n", data ? "Enabled" : "Disabled");
bc7f75fa
AK		 382 adapter->flags |= FLAG_TSO_FORCE;
383 return 0;
384}
385
386static u32 e1000_get_msglevel(struct net_device *netdev)
387{
388 struct e1000_adapter *adapter = netdev_priv(netdev);
389 return adapter->msg_enable;
390}
391
392static void e1000_set_msglevel(struct net_device *netdev, u32 data)
393{
394 struct e1000_adapter *adapter = netdev_priv(netdev);
395 adapter->msg_enable = data;
396}
397
398static int e1000_get_regs_len(struct net_device *netdev)
399{
400#define E1000_REGS_LEN 32 /* overestimate */
401 return E1000_REGS_LEN * sizeof(u32);
402}
403
404static void e1000_get_regs(struct net_device *netdev,
405 struct ethtool_regs *regs, void *p)
406{
407 struct e1000_adapter *adapter = netdev_priv(netdev);
408 struct e1000_hw *hw = &adapter->hw;
409 u32 *regs_buff = p;
410 u16 phy_data;
411 u8 revision_id;
412
413 memset(p, 0, E1000_REGS_LEN * sizeof(u32));
414
415 pci_read_config_byte(adapter->pdev, PCI_REVISION_ID, &revision_id);
416
417 regs->version = (1 << 24) | (revision_id << 16) | adapter->pdev->device;
418
419 regs_buff[0] = er32(CTRL);
420 regs_buff[1] = er32(STATUS);
421
422 regs_buff[2] = er32(RCTL);
423 regs_buff[3] = er32(RDLEN);
424 regs_buff[4] = er32(RDH);
425 regs_buff[5] = er32(RDT);
426 regs_buff[6] = er32(RDTR);
427
428 regs_buff[7] = er32(TCTL);
429 regs_buff[8] = er32(TDLEN);
430 regs_buff[9] = er32(TDH);
431 regs_buff[10] = er32(TDT);
432 regs_buff[11] = er32(TIDV);
433
434 regs_buff[12] = adapter->hw.phy.type; /* PHY type (IGP=1, M88=0) */
435 if (hw->phy.type == e1000_phy_m88) {
436 e1e_rphy(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
437 regs_buff[13] = (u32)phy_data; /* cable length */
438 regs_buff[14] = 0; /* Dummy (to align w/ IGP phy reg dump) */
439 regs_buff[15] = 0; /* Dummy (to align w/ IGP phy reg dump) */
440 regs_buff[16] = 0; /* Dummy (to align w/ IGP phy reg dump) */
441 e1e_rphy(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
442 regs_buff[17] = (u32)phy_data; /* extended 10bt distance */
443 regs_buff[18] = regs_buff[13]; /* cable polarity */
444 regs_buff[19] = 0; /* Dummy (to align w/ IGP phy reg dump) */
445 regs_buff[20] = regs_buff[17]; /* polarity correction */
446 /* phy receive errors */
447 regs_buff[22] = adapter->phy_stats.receive_errors;
448 regs_buff[23] = regs_buff[13]; /* mdix mode */
449 }
450 regs_buff[21] = adapter->phy_stats.idle_errors; /* phy idle errors */
451 e1e_rphy(hw, PHY_1000T_STATUS, &phy_data);
452 regs_buff[24] = (u32)phy_data; /* phy local receiver status */
453 regs_buff[25] = regs_buff[24]; /* phy remote receiver status */
454}
455
456static int e1000_get_eeprom_len(struct net_device *netdev)
457{
458 struct e1000_adapter *adapter = netdev_priv(netdev);
459 return adapter->hw.nvm.word_size * 2;
460}
461
462static int e1000_get_eeprom(struct net_device *netdev,
463 struct ethtool_eeprom *eeprom, u8 *bytes)
464{
465 struct e1000_adapter *adapter = netdev_priv(netdev);
466 struct e1000_hw *hw = &adapter->hw;
467 u16 *eeprom_buff;
468 int first_word;
469 int last_word;
470 int ret_val = 0;
471 u16 i;
472
473 if (eeprom->len == 0)
474 return -EINVAL;
475
476 eeprom->magic = adapter->pdev->vendor | (adapter->pdev->device << 16);
477
478 first_word = eeprom->offset >> 1;
479 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
480
481 eeprom_buff = kmalloc(sizeof(u16) *
482 (last_word - first_word + 1), GFP_KERNEL);
483 if (!eeprom_buff)
484 return -ENOMEM;
485
486 if (hw->nvm.type == e1000_nvm_eeprom_spi) {
487 ret_val = e1000_read_nvm(hw, first_word,
488 last_word - first_word + 1,
489 eeprom_buff);
490 } else {
491 for (i = 0; i < last_word - first_word + 1; i++) {
492 ret_val = e1000_read_nvm(hw, first_word + i, 1,
493 &eeprom_buff[i]);
f227ec3c
KA		 494 if (ret_val) {
495 /* a read error occurred, throw away the
496 * result */
497 memset(eeprom_buff, 0xff, sizeof(eeprom_buff));
bc7f75fa 498 break;
f227ec3c 499 }
bc7f75fa
AK		 500 }
501 }
502
503 /* Device's eeprom is always little-endian, word addressable */
504 for (i = 0; i < last_word - first_word + 1; i++)
505 le16_to_cpus(&eeprom_buff[i]);
506
507 memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
508 kfree(eeprom_buff);
509
510 return ret_val;
511}
512
513static int e1000_set_eeprom(struct net_device *netdev,
514 struct ethtool_eeprom *eeprom, u8 *bytes)
515{
516 struct e1000_adapter *adapter = netdev_priv(netdev);
517 struct e1000_hw *hw = &adapter->hw;
518 u16 *eeprom_buff;
519 void *ptr;
520 int max_len;
521 int first_word;
522 int last_word;
523 int ret_val = 0;
524 u16 i;
525
526 if (eeprom->len == 0)
527 return -EOPNOTSUPP;
528
529 if (eeprom->magic != (adapter->pdev->vendor | (adapter->pdev->device << 16)))
530 return -EFAULT;
531
532 max_len = hw->nvm.word_size * 2;
533
534 first_word = eeprom->offset >> 1;
535 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
536 eeprom_buff = kmalloc(max_len, GFP_KERNEL);
537 if (!eeprom_buff)
538 return -ENOMEM;
539
540 ptr = (void *)eeprom_buff;
541
542 if (eeprom->offset & 1) {
543 /* need read/modify/write of first changed EEPROM word */
544 /* only the second byte of the word is being modified */
545 ret_val = e1000_read_nvm(hw, first_word, 1, &eeprom_buff[0]);
546 ptr++;
547 }
548 if (((eeprom->offset + eeprom->len) & 1) && (ret_val == 0))
549 /* need read/modify/write of last changed EEPROM word */
550 /* only the first byte of the word is being modified */
551 ret_val = e1000_read_nvm(hw, last_word, 1,
552 &eeprom_buff[last_word - first_word]);
553
554 /* Device's eeprom is always little-endian, word addressable */
555 for (i = 0; i < last_word - first_word + 1; i++)
556 le16_to_cpus(&eeprom_buff[i]);
557
558 memcpy(ptr, bytes, eeprom->len);
559
560 for (i = 0; i < last_word - first_word + 1; i++)
561 eeprom_buff[i] = cpu_to_le16(eeprom_buff[i]);
562
563 ret_val = e1000_write_nvm(hw, first_word,
564 last_word - first_word + 1, eeprom_buff);
565
ad68076e
BA		 566 /*
567 * Update the checksum over the first part of the EEPROM if needed
568 * and flush shadow RAM for 82573 controllers
569 */
bc7f75fa 570 if ((ret_val == 0) && ((first_word <= NVM_CHECKSUM_REG) ||
4662e82b 571 (hw->mac.type == e1000_82574) ||
bc7f75fa
AK		 572 (hw->mac.type == e1000_82573)))
573 e1000e_update_nvm_checksum(hw);
574
575 kfree(eeprom_buff);
576 return ret_val;
577}
578
579static void e1000_get_drvinfo(struct net_device *netdev,
580 struct ethtool_drvinfo *drvinfo)
581{
582 struct e1000_adapter *adapter = netdev_priv(netdev);
583 char firmware_version[32];
584 u16 eeprom_data;
585
586 strncpy(drvinfo->driver, e1000e_driver_name, 32);
587 strncpy(drvinfo->version, e1000e_driver_version, 32);
588
ad68076e
BA		 589 /*
590 * EEPROM image version # is reported as firmware version # for
591 * PCI-E controllers
592 */
bc7f75fa
AK		 593 e1000_read_nvm(&adapter->hw, 5, 1, &eeprom_data);
594 sprintf(firmware_version, "%d.%d-%d",
595 (eeprom_data & 0xF000) >> 12,
596 (eeprom_data & 0x0FF0) >> 4,
597 eeprom_data & 0x000F);
598
599 strncpy(drvinfo->fw_version, firmware_version, 32);
600 strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
bc7f75fa
AK		 601 drvinfo->regdump_len = e1000_get_regs_len(netdev);
602 drvinfo->eedump_len = e1000_get_eeprom_len(netdev);
603}
604
605static void e1000_get_ringparam(struct net_device *netdev,
606 struct ethtool_ringparam *ring)
607{
608 struct e1000_adapter *adapter = netdev_priv(netdev);
609 struct e1000_ring *tx_ring = adapter->tx_ring;
610 struct e1000_ring *rx_ring = adapter->rx_ring;
611
612 ring->rx_max_pending = E1000_MAX_RXD;
613 ring->tx_max_pending = E1000_MAX_TXD;
614 ring->rx_mini_max_pending = 0;
615 ring->rx_jumbo_max_pending = 0;
616 ring->rx_pending = rx_ring->count;
617 ring->tx_pending = tx_ring->count;
618 ring->rx_mini_pending = 0;
619 ring->rx_jumbo_pending = 0;
620}
621
622static int e1000_set_ringparam(struct net_device *netdev,
623 struct ethtool_ringparam *ring)
624{
625 struct e1000_adapter *adapter = netdev_priv(netdev);
626 struct e1000_ring *tx_ring, *tx_old;
627 struct e1000_ring *rx_ring, *rx_old;
628 int err;
629
630 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
631 return -EINVAL;
632
633 while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
634 msleep(1);
635
636 if (netif_running(adapter->netdev))
637 e1000e_down(adapter);
638
639 tx_old = adapter->tx_ring;
640 rx_old = adapter->rx_ring;
641
642 err = -ENOMEM;
643 tx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL);
644 if (!tx_ring)
645 goto err_alloc_tx;
cef8c793
BA		 646 /*
647 * use a memcpy to save any previously configured
648 * items like napi structs from having to be
649 * reinitialized
650 */
651 memcpy(tx_ring, tx_old, sizeof(struct e1000_ring));
bc7f75fa
AK		 652
653 rx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL);
654 if (!rx_ring)
655 goto err_alloc_rx;
cef8c793 656 memcpy(rx_ring, rx_old, sizeof(struct e1000_ring));
bc7f75fa
AK		 657
658 adapter->tx_ring = tx_ring;
659 adapter->rx_ring = rx_ring;
660
661 rx_ring->count = max(ring->rx_pending, (u32)E1000_MIN_RXD);
662 rx_ring->count = min(rx_ring->count, (u32)(E1000_MAX_RXD));
663 rx_ring->count = ALIGN(rx_ring->count, REQ_RX_DESCRIPTOR_MULTIPLE);
664
665 tx_ring->count = max(ring->tx_pending, (u32)E1000_MIN_TXD);
666 tx_ring->count = min(tx_ring->count, (u32)(E1000_MAX_TXD));
667 tx_ring->count = ALIGN(tx_ring->count, REQ_TX_DESCRIPTOR_MULTIPLE);
668
669 if (netif_running(adapter->netdev)) {
670 /* Try to get new resources before deleting old */
671 err = e1000e_setup_rx_resources(adapter);
672 if (err)
673 goto err_setup_rx;
674 err = e1000e_setup_tx_resources(adapter);
675 if (err)
676 goto err_setup_tx;
677
ad68076e
BA		 678 /*
679 * restore the old in order to free it,
680 * then add in the new
681 */
bc7f75fa
AK		 682 adapter->rx_ring = rx_old;
683 adapter->tx_ring = tx_old;
684 e1000e_free_rx_resources(adapter);
685 e1000e_free_tx_resources(adapter);
686 kfree(tx_old);
687 kfree(rx_old);
688 adapter->rx_ring = rx_ring;
689 adapter->tx_ring = tx_ring;
690 err = e1000e_up(adapter);
691 if (err)
692 goto err_setup;
693 }
694
695 clear_bit(__E1000_RESETTING, &adapter->state);
696 return 0;
697err_setup_tx:
698 e1000e_free_rx_resources(adapter);
699err_setup_rx:
700 adapter->rx_ring = rx_old;
701 adapter->tx_ring = tx_old;
702 kfree(rx_ring);
703err_alloc_rx:
704 kfree(tx_ring);
705err_alloc_tx:
706 e1000e_up(adapter);
707err_setup:
708 clear_bit(__E1000_RESETTING, &adapter->state);
709 return err;
710}
711
cef8c793
BA		 712static bool reg_pattern_test(struct e1000_adapter *adapter, u64 *data,
713 int reg, int offset, u32 mask, u32 write)
2a887191 714{
cef8c793 715 u32 pat, val;
2a887191
JP		 716 static const u32 test[] =
717 {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF};
cef8c793 718 for (pat = 0; pat < ARRAY_SIZE(test); pat++) {
2a887191 719 E1000_WRITE_REG_ARRAY(&adapter->hw, reg, offset,
cef8c793
BA		 720 (test[pat] & write));
721 val = E1000_READ_REG_ARRAY(&adapter->hw, reg, offset);
722 if (val != (test[pat] & write & mask)) {
44defeb3
JK		 723 e_err("pattern test reg %04X failed: got 0x%08X "
724 "expected 0x%08X\n", reg + offset, val,
725 (test[pat] & write & mask));
2a887191 726 *data = reg;
cef8c793 727 return 1;
2a887191
JP		 728 }
729 }
cef8c793 730 return 0;
bc7f75fa
AK		 731}
732
2a887191
JP		 733static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data,
734 int reg, u32 mask, u32 write)
735{
cef8c793 736 u32 val;
2a887191 737 __ew32(&adapter->hw, reg, write & mask);
cef8c793
BA		 738 val = __er32(&adapter->hw, reg);
739 if ((write & mask) != (val & mask)) {
44defeb3
JK		 740 e_err("set/check reg %04X test failed: got 0x%08X "
741 "expected 0x%08X\n", reg, (val & mask), (write & mask));
2a887191 742 *data = reg;
cef8c793 743 return 1;
2a887191 744 }
cef8c793 745 return 0;
bc7f75fa 746}
cef8c793
BA		 747#define REG_PATTERN_TEST_ARRAY(reg, offset, mask, write) \
748 do { \
749 if (reg_pattern_test(adapter, data, reg, offset, mask, write)) \
750 return 1; \
2a887191 751 } while (0)
cef8c793
BA		 752#define REG_PATTERN_TEST(reg, mask, write) \
753 REG_PATTERN_TEST_ARRAY(reg, 0, mask, write)
2a887191 754
cef8c793
BA		 755#define REG_SET_AND_CHECK(reg, mask, write) \
756 do { \
757 if (reg_set_and_check(adapter, data, reg, mask, write)) \
758 return 1; \
2a887191
JP		 759 } while (0)
760
bc7f75fa
AK		 761static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data)
762{
763 struct e1000_hw *hw = &adapter->hw;
764 struct e1000_mac_info *mac = &adapter->hw.mac;
bc7f75fa
AK		 765 u32 value;
766 u32 before;
767 u32 after;
768 u32 i;
769 u32 toggle;
770
ad68076e
BA		 771 /*
772 * The status register is Read Only, so a write should fail.
bc7f75fa
AK		 773 * Some bits that get toggled are ignored.
774 */
775 switch (mac->type) {
776 /* there are several bits on newer hardware that are r/w */
777 case e1000_82571:
778 case e1000_82572:
779 case e1000_80003es2lan:
780 toggle = 0x7FFFF3FF;
781 break;
782 case e1000_82573:
4662e82b 783 case e1000_82574:
bc7f75fa
AK		 784 case e1000_ich8lan:
785 case e1000_ich9lan:
f4187b56 786 case e1000_ich10lan:
bc7f75fa
AK		 787 toggle = 0x7FFFF033;
788 break;
789 default:
790 toggle = 0xFFFFF833;
791 break;
792 }
793
794 before = er32(STATUS);
795 value = (er32(STATUS) & toggle);
796 ew32(STATUS, toggle);
797 after = er32(STATUS) & toggle;
798 if (value != after) {
44defeb3
JK		 799 e_err("failed STATUS register test got: 0x%08X expected: "
800 "0x%08X\n", after, value);
bc7f75fa
AK		 801 *data = 1;
802 return 1;
803 }
804 /* restore previous status */
805 ew32(STATUS, before);
806
97ac8cae 807 if (!(adapter->flags & FLAG_IS_ICH)) {
bc7f75fa
AK		 808 REG_PATTERN_TEST(E1000_FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
809 REG_PATTERN_TEST(E1000_FCAH, 0x0000FFFF, 0xFFFFFFFF);
810 REG_PATTERN_TEST(E1000_FCT, 0x0000FFFF, 0xFFFFFFFF);
811 REG_PATTERN_TEST(E1000_VET, 0x0000FFFF, 0xFFFFFFFF);
812 }
813
814 REG_PATTERN_TEST(E1000_RDTR, 0x0000FFFF, 0xFFFFFFFF);
815 REG_PATTERN_TEST(E1000_RDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
816 REG_PATTERN_TEST(E1000_RDLEN, 0x000FFF80, 0x000FFFFF);
817 REG_PATTERN_TEST(E1000_RDH, 0x0000FFFF, 0x0000FFFF);
818 REG_PATTERN_TEST(E1000_RDT, 0x0000FFFF, 0x0000FFFF);
819 REG_PATTERN_TEST(E1000_FCRTH, 0x0000FFF8, 0x0000FFF8);
820 REG_PATTERN_TEST(E1000_FCTTV, 0x0000FFFF, 0x0000FFFF);
821 REG_PATTERN_TEST(E1000_TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
822 REG_PATTERN_TEST(E1000_TDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
823 REG_PATTERN_TEST(E1000_TDLEN, 0x000FFF80, 0x000FFFFF);
824
825 REG_SET_AND_CHECK(E1000_RCTL, 0xFFFFFFFF, 0x00000000);
826
97ac8cae 827 before = ((adapter->flags & FLAG_IS_ICH) ? 0x06C3B33E : 0x06DFB3FE);
bc7f75fa
AK		 828 REG_SET_AND_CHECK(E1000_RCTL, before, 0x003FFFFB);
829 REG_SET_AND_CHECK(E1000_TCTL, 0xFFFFFFFF, 0x00000000);
830
8658251d
AK		 831 REG_SET_AND_CHECK(E1000_RCTL, before, 0xFFFFFFFF);
832 REG_PATTERN_TEST(E1000_RDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
97ac8cae 833 if (!(adapter->flags & FLAG_IS_ICH))
8658251d
AK		 834 REG_PATTERN_TEST(E1000_TXCW, 0xC000FFFF, 0x0000FFFF);
835 REG_PATTERN_TEST(E1000_TDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
836 REG_PATTERN_TEST(E1000_TIDV, 0x0000FFFF, 0x0000FFFF);
837 for (i = 0; i < mac->rar_entry_count; i++)
838 REG_PATTERN_TEST_ARRAY(E1000_RA, ((i << 1) + 1),
f4187b56
BA		 839 ((mac->type == e1000_ich10lan) ?
840 0x8007FFFF : 0x8003FFFF),
841 0xFFFFFFFF);
bc7f75fa
AK		 842
843 for (i = 0; i < mac->mta_reg_count; i++)
844 REG_PATTERN_TEST_ARRAY(E1000_MTA, i, 0xFFFFFFFF, 0xFFFFFFFF);
845
846 *data = 0;
847 return 0;
848}
849
850static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data)
851{
852 u16 temp;
853 u16 checksum = 0;
854 u16 i;
855
856 *data = 0;
857 /* Read and add up the contents of the EEPROM */
858 for (i = 0; i < (NVM_CHECKSUM_REG + 1); i++) {
859 if ((e1000_read_nvm(&adapter->hw, i, 1, &temp)) < 0) {
860 *data = 1;
861 break;
862 }
863 checksum += temp;
864 }
865
866 /* If Checksum is not Correct return error else test passed */
867 if ((checksum != (u16) NVM_SUM) && !(*data))
868 *data = 2;
869
870 return *data;
871}
872
873static irqreturn_t e1000_test_intr(int irq, void *data)
874{
875 struct net_device *netdev = (struct net_device *) data;
876 struct e1000_adapter *adapter = netdev_priv(netdev);
877 struct e1000_hw *hw = &adapter->hw;
878
879 adapter->test_icr |= er32(ICR);
880
881 return IRQ_HANDLED;
882}
883
884static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data)
885{
886 struct net_device *netdev = adapter->netdev;
887 struct e1000_hw *hw = &adapter->hw;
888 u32 mask;
889 u32 shared_int = 1;
890 u32 irq = adapter->pdev->irq;
891 int i;
4662e82b
BA		 892 int ret_val = 0;
893 int int_mode = E1000E_INT_MODE_LEGACY;
bc7f75fa
AK		 894
895 *data = 0;
896
4662e82b
BA		 897 /* NOTE: we don't test MSI/MSI-X interrupts here, yet */
898 if (adapter->int_mode == E1000E_INT_MODE_MSIX) {
899 int_mode = adapter->int_mode;
900 e1000e_reset_interrupt_capability(adapter);
901 adapter->int_mode = E1000E_INT_MODE_LEGACY;
902 e1000e_set_interrupt_capability(adapter);
903 }
bc7f75fa
AK		 904 /* Hook up test interrupt handler just for this test */
905 if (!request_irq(irq, &e1000_test_intr, IRQF_PROBE_SHARED, netdev->name,
906 netdev)) {
907 shared_int = 0;
908 } else if (request_irq(irq, &e1000_test_intr, IRQF_SHARED,
909 netdev->name, netdev)) {
910 *data = 1;
4662e82b
BA		 911 ret_val = -1;
912 goto out;
bc7f75fa 913 }
44defeb3 914 e_info("testing %s interrupt\n", (shared_int ? "shared" : "unshared"));
bc7f75fa
AK		 915
916 /* Disable all the interrupts */
917 ew32(IMC, 0xFFFFFFFF);
918 msleep(10);
919
920 /* Test each interrupt */
921 for (i = 0; i < 10; i++) {
bc7f75fa
AK		 922 /* Interrupt to test */
923 mask = 1 << i;
924
f4187b56
BA		 925 if (adapter->flags & FLAG_IS_ICH) {
926 switch (mask) {
927 case E1000_ICR_RXSEQ:
928 continue;
929 case 0x00000100:
930 if (adapter->hw.mac.type == e1000_ich8lan ||
931 adapter->hw.mac.type == e1000_ich9lan)
932 continue;
933 break;
934 default:
935 break;
936 }
937 }
938
bc7f75fa 939 if (!shared_int) {
ad68076e
BA		 940 /*
941 * Disable the interrupt to be reported in
bc7f75fa
AK		 942 * the cause register and then force the same
943 * interrupt and see if one gets posted. If
944 * an interrupt was posted to the bus, the
945 * test failed.
946 */
947 adapter->test_icr = 0;
948 ew32(IMC, mask);
949 ew32(ICS, mask);
950 msleep(10);
951
952 if (adapter->test_icr & mask) {
953 *data = 3;
954 break;
955 }
956 }
957
ad68076e
BA		 958 /*
959 * Enable the interrupt to be reported in
bc7f75fa
AK		 960 * the cause register and then force the same
961 * interrupt and see if one gets posted. If
962 * an interrupt was not posted to the bus, the
963 * test failed.
964 */
965 adapter->test_icr = 0;
966 ew32(IMS, mask);
967 ew32(ICS, mask);
968 msleep(10);
969
970 if (!(adapter->test_icr & mask)) {
971 *data = 4;
972 break;
973 }
974
975 if (!shared_int) {
ad68076e
BA		 976 /*
977 * Disable the other interrupts to be reported in
bc7f75fa
AK		 978 * the cause register and then force the other
979 * interrupts and see if any get posted. If
980 * an interrupt was posted to the bus, the
981 * test failed.
982 */
983 adapter->test_icr = 0;
984 ew32(IMC, ~mask & 0x00007FFF);
985 ew32(ICS, ~mask & 0x00007FFF);
986 msleep(10);
987
988 if (adapter->test_icr) {
989 *data = 5;
990 break;
991 }
992 }
993 }
994
995 /* Disable all the interrupts */
996 ew32(IMC, 0xFFFFFFFF);
997 msleep(10);
998
999 /* Unhook test interrupt handler */
1000 free_irq(irq, netdev);
1001
4662e82b
BA		 1002out:
1003 if (int_mode == E1000E_INT_MODE_MSIX) {
1004 e1000e_reset_interrupt_capability(adapter);
1005 adapter->int_mode = int_mode;
1006 e1000e_set_interrupt_capability(adapter);
1007 }
1008
1009 return ret_val;
bc7f75fa
AK		 1010}
1011
1012static void e1000_free_desc_rings(struct e1000_adapter *adapter)
1013{
1014 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1015 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1016 struct pci_dev *pdev = adapter->pdev;
1017 int i;
1018
1019 if (tx_ring->desc && tx_ring->buffer_info) {
1020 for (i = 0; i < tx_ring->count; i++) {
1021 if (tx_ring->buffer_info[i].dma)
1022 pci_unmap_single(pdev,
1023 tx_ring->buffer_info[i].dma,
1024 tx_ring->buffer_info[i].length,
1025 PCI_DMA_TODEVICE);
1026 if (tx_ring->buffer_info[i].skb)
1027 dev_kfree_skb(tx_ring->buffer_info[i].skb);
1028 }
1029 }
1030
1031 if (rx_ring->desc && rx_ring->buffer_info) {
1032 for (i = 0; i < rx_ring->count; i++) {
1033 if (rx_ring->buffer_info[i].dma)
1034 pci_unmap_single(pdev,
1035 rx_ring->buffer_info[i].dma,
1036 2048, PCI_DMA_FROMDEVICE);
1037 if (rx_ring->buffer_info[i].skb)
1038 dev_kfree_skb(rx_ring->buffer_info[i].skb);
1039 }
1040 }
1041
1042 if (tx_ring->desc) {
1043 dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc,
1044 tx_ring->dma);
1045 tx_ring->desc = NULL;
1046 }
1047 if (rx_ring->desc) {
1048 dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc,
1049 rx_ring->dma);
1050 rx_ring->desc = NULL;
1051 }
1052
1053 kfree(tx_ring->buffer_info);
1054 tx_ring->buffer_info = NULL;
1055 kfree(rx_ring->buffer_info);
1056 rx_ring->buffer_info = NULL;
1057}
1058
1059static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
1060{
1061 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1062 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1063 struct pci_dev *pdev = adapter->pdev;
1064 struct e1000_hw *hw = &adapter->hw;
1065 u32 rctl;
bc7f75fa
AK		 1066 int i;
1067 int ret_val;
1068
1069 /* Setup Tx descriptor ring and Tx buffers */
1070
1071 if (!tx_ring->count)
1072 tx_ring->count = E1000_DEFAULT_TXD;
1073
cef8c793
BA		 1074 tx_ring->buffer_info = kcalloc(tx_ring->count,
1075 sizeof(struct e1000_buffer),
1076 GFP_KERNEL);
1077 if (!(tx_ring->buffer_info)) {
bc7f75fa
AK		 1078 ret_val = 1;
1079 goto err_nomem;
1080 }
bc7f75fa
AK		 1081
1082 tx_ring->size = tx_ring->count * sizeof(struct e1000_tx_desc);
1083 tx_ring->size = ALIGN(tx_ring->size, 4096);
1084 tx_ring->desc = dma_alloc_coherent(&pdev->dev, tx_ring->size,
1085 &tx_ring->dma, GFP_KERNEL);
1086 if (!tx_ring->desc) {
1087 ret_val = 2;
1088 goto err_nomem;
1089 }
bc7f75fa
AK		 1090 tx_ring->next_to_use = 0;
1091 tx_ring->next_to_clean = 0;
1092
cef8c793 1093 ew32(TDBAL, ((u64) tx_ring->dma & 0x00000000FFFFFFFF));
bc7f75fa 1094 ew32(TDBAH, ((u64) tx_ring->dma >> 32));
cef8c793 1095 ew32(TDLEN, tx_ring->count * sizeof(struct e1000_tx_desc));
bc7f75fa
AK		 1096 ew32(TDH, 0);
1097 ew32(TDT, 0);
cef8c793
BA		 1098 ew32(TCTL, E1000_TCTL_PSP | E1000_TCTL_EN | E1000_TCTL_MULR |
1099 E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
1100 E1000_COLLISION_DISTANCE << E1000_COLD_SHIFT);
bc7f75fa
AK		 1101
1102 for (i = 0; i < tx_ring->count; i++) {
1103 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*tx_ring, i);
1104 struct sk_buff *skb;
1105 unsigned int skb_size = 1024;
1106
1107 skb = alloc_skb(skb_size, GFP_KERNEL);
1108 if (!skb) {
1109 ret_val = 3;
1110 goto err_nomem;
1111 }
1112 skb_put(skb, skb_size);
1113 tx_ring->buffer_info[i].skb = skb;
1114 tx_ring->buffer_info[i].length = skb->len;
1115 tx_ring->buffer_info[i].dma =
1116 pci_map_single(pdev, skb->data, skb->len,
1117 PCI_DMA_TODEVICE);
8d8bb39b 1118 if (pci_dma_mapping_error(pdev, tx_ring->buffer_info[i].dma)) {
bc7f75fa
AK		 1119 ret_val = 4;
1120 goto err_nomem;
1121 }
cef8c793 1122 tx_desc->buffer_addr = cpu_to_le64(tx_ring->buffer_info[i].dma);
bc7f75fa
AK		 1123 tx_desc->lower.data = cpu_to_le32(skb->len);
1124 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
1125 E1000_TXD_CMD_IFCS |
cef8c793 1126 E1000_TXD_CMD_RS);
bc7f75fa
AK		 1127 tx_desc->upper.data = 0;
1128 }
1129
1130 /* Setup Rx descriptor ring and Rx buffers */
1131
1132 if (!rx_ring->count)
1133 rx_ring->count = E1000_DEFAULT_RXD;
1134
cef8c793
BA		 1135 rx_ring->buffer_info = kcalloc(rx_ring->count,
1136 sizeof(struct e1000_buffer),
1137 GFP_KERNEL);
1138 if (!(rx_ring->buffer_info)) {
bc7f75fa
AK		 1139 ret_val = 5;
1140 goto err_nomem;
1141 }
bc7f75fa
AK		 1142
1143 rx_ring->size = rx_ring->count * sizeof(struct e1000_rx_desc);
1144 rx_ring->desc = dma_alloc_coherent(&pdev->dev, rx_ring->size,
1145 &rx_ring->dma, GFP_KERNEL);
1146 if (!rx_ring->desc) {
1147 ret_val = 6;
1148 goto err_nomem;
1149 }
bc7f75fa
AK		 1150 rx_ring->next_to_use = 0;
1151 rx_ring->next_to_clean = 0;
1152
1153 rctl = er32(RCTL);
1154 ew32(RCTL, rctl & ~E1000_RCTL_EN);
1155 ew32(RDBAL, ((u64) rx_ring->dma & 0xFFFFFFFF));
1156 ew32(RDBAH, ((u64) rx_ring->dma >> 32));
1157 ew32(RDLEN, rx_ring->size);
1158 ew32(RDH, 0);
1159 ew32(RDT, 0);
1160 rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
cef8c793
BA		 1161 E1000_RCTL_UPE | E1000_RCTL_MPE | E1000_RCTL_LPE |
1162 E1000_RCTL_SBP | E1000_RCTL_SECRC |
bc7f75fa
AK		 1163 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
1164 (adapter->hw.mac.mc_filter_type << E1000_RCTL_MO_SHIFT);
1165 ew32(RCTL, rctl);
1166
1167 for (i = 0; i < rx_ring->count; i++) {
1168 struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rx_ring, i);
1169 struct sk_buff *skb;
1170
1171 skb = alloc_skb(2048 + NET_IP_ALIGN, GFP_KERNEL);
1172 if (!skb) {
1173 ret_val = 7;
1174 goto err_nomem;
1175 }
1176 skb_reserve(skb, NET_IP_ALIGN);
1177 rx_ring->buffer_info[i].skb = skb;
1178 rx_ring->buffer_info[i].dma =
1179 pci_map_single(pdev, skb->data, 2048,
1180 PCI_DMA_FROMDEVICE);
8d8bb39b 1181 if (pci_dma_mapping_error(pdev, rx_ring->buffer_info[i].dma)) {
bc7f75fa
AK		 1182 ret_val = 8;
1183 goto err_nomem;
1184 }
1185 rx_desc->buffer_addr =
1186 cpu_to_le64(rx_ring->buffer_info[i].dma);
1187 memset(skb->data, 0x00, skb->len);
1188 }
1189
1190 return 0;
1191
1192err_nomem:
1193 e1000_free_desc_rings(adapter);
1194 return ret_val;
1195}
1196
1197static void e1000_phy_disable_receiver(struct e1000_adapter *adapter)
1198{
1199 /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1200 e1e_wphy(&adapter->hw, 29, 0x001F);
1201 e1e_wphy(&adapter->hw, 30, 0x8FFC);
1202 e1e_wphy(&adapter->hw, 29, 0x001A);
1203 e1e_wphy(&adapter->hw, 30, 0x8FF0);
1204}
1205
1206static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
1207{
1208 struct e1000_hw *hw = &adapter->hw;
1209 u32 ctrl_reg = 0;
1210 u32 stat_reg = 0;
97ac8cae 1211 u16 phy_reg = 0;
bc7f75fa 1212
318a94d6 1213 hw->mac.autoneg = 0;
bc7f75fa 1214
318a94d6 1215 if (hw->phy.type == e1000_phy_m88) {
bc7f75fa
AK		 1216 /* Auto-MDI/MDIX Off */
1217 e1e_wphy(hw, M88E1000_PHY_SPEC_CTRL, 0x0808);
1218 /* reset to update Auto-MDI/MDIX */
1219 e1e_wphy(hw, PHY_CONTROL, 0x9140);
1220 /* autoneg off */
1221 e1e_wphy(hw, PHY_CONTROL, 0x8140);
318a94d6 1222 } else if (hw->phy.type == e1000_phy_gg82563)
bc7f75fa
AK		 1223 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x1CC);
1224
1225 ctrl_reg = er32(CTRL);
1226
cef8c793
BA		 1227 switch (hw->phy.type) {
1228 case e1000_phy_ife:
bc7f75fa
AK		 1229 /* force 100, set loopback */
1230 e1e_wphy(hw, PHY_CONTROL, 0x6100);
1231
1232 /* Now set up the MAC to the same speed/duplex as the PHY. */
1233 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1234 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1235 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1236 E1000_CTRL_SPD_100 |/* Force Speed to 100 */
1237 E1000_CTRL_FD); /* Force Duplex to FULL */
cef8c793 1238 break;
97ac8cae
BA		 1239 case e1000_phy_bm:
1240 /* Set Default MAC Interface speed to 1GB */
1241 e1e_rphy(hw, PHY_REG(2, 21), &phy_reg);
1242 phy_reg &= ~0x0007;
1243 phy_reg |= 0x006;
1244 e1e_wphy(hw, PHY_REG(2, 21), phy_reg);
1245 /* Assert SW reset for above settings to take effect */
1246 e1000e_commit_phy(hw);
1247 mdelay(1);
1248 /* Force Full Duplex */
1249 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg);
1250 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x000C);
1251 /* Set Link Up (in force link) */
1252 e1e_rphy(hw, PHY_REG(776, 16), &phy_reg);
1253 e1e_wphy(hw, PHY_REG(776, 16), phy_reg | 0x0040);
1254 /* Force Link */
1255 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg);
1256 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x0040);
1257 /* Set Early Link Enable */
1258 e1e_rphy(hw, PHY_REG(769, 20), &phy_reg);
1259 e1e_wphy(hw, PHY_REG(769, 20), phy_reg | 0x0400);
1260 /* fall through */
cef8c793 1261 default:
bc7f75fa
AK		 1262 /* force 1000, set loopback */
1263 e1e_wphy(hw, PHY_CONTROL, 0x4140);
cef8c793 1264 mdelay(250);
bc7f75fa
AK		 1265
1266 /* Now set up the MAC to the same speed/duplex as the PHY. */
1267 ctrl_reg = er32(CTRL);
1268 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1269 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1270 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1271 E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
1272 E1000_CTRL_FD); /* Force Duplex to FULL */
cef8c793 1273
97ac8cae 1274 if (adapter->flags & FLAG_IS_ICH)
cef8c793 1275 ctrl_reg |= E1000_CTRL_SLU; /* Set Link Up */
bc7f75fa
AK		 1276 }
1277
318a94d6
JK		 1278 if (hw->phy.media_type == e1000_media_type_copper &&
1279 hw->phy.type == e1000_phy_m88) {
bc7f75fa
AK		 1280 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
1281 } else {
ad68076e
BA		 1282 /*
1283 * Set the ILOS bit on the fiber Nic if half duplex link is
1284 * detected.
1285 */
bc7f75fa
AK		 1286 stat_reg = er32(STATUS);
1287 if ((stat_reg & E1000_STATUS_FD) == 0)
1288 ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
1289 }
1290
1291 ew32(CTRL, ctrl_reg);
1292
ad68076e
BA		 1293 /*
1294 * Disable the receiver on the PHY so when a cable is plugged in, the
bc7f75fa
AK		 1295 * PHY does not begin to autoneg when a cable is reconnected to the NIC.
1296 */
318a94d6 1297 if (hw->phy.type == e1000_phy_m88)
bc7f75fa
AK		 1298 e1000_phy_disable_receiver(adapter);
1299
1300 udelay(500);
1301
1302 return 0;
1303}
1304
1305static int e1000_set_82571_fiber_loopback(struct e1000_adapter *adapter)
1306{
1307 struct e1000_hw *hw = &adapter->hw;
1308 u32 ctrl = er32(CTRL);
1309 int link = 0;
1310
1311 /* special requirements for 82571/82572 fiber adapters */
1312
ad68076e
BA		 1313 /*
1314 * jump through hoops to make sure link is up because serdes
1315 * link is hardwired up
1316 */
bc7f75fa
AK		 1317 ctrl |= E1000_CTRL_SLU;
1318 ew32(CTRL, ctrl);
1319
1320 /* disable autoneg */
1321 ctrl = er32(TXCW);
1322 ctrl &= ~(1 << 31);
1323 ew32(TXCW, ctrl);
1324
1325 link = (er32(STATUS) & E1000_STATUS_LU);
1326
1327 if (!link) {
1328 /* set invert loss of signal */
1329 ctrl = er32(CTRL);
1330 ctrl |= E1000_CTRL_ILOS;
1331 ew32(CTRL, ctrl);
1332 }
1333
ad68076e
BA		 1334 /*
1335 * special write to serdes control register to enable SerDes analog
1336 * loopback
1337 */
bc7f75fa
AK		 1338#define E1000_SERDES_LB_ON 0x410
1339 ew32(SCTL, E1000_SERDES_LB_ON);
1340 msleep(10);
1341
1342 return 0;
1343}
1344
1345/* only call this for fiber/serdes connections to es2lan */
1346static int e1000_set_es2lan_mac_loopback(struct e1000_adapter *adapter)
1347{
1348 struct e1000_hw *hw = &adapter->hw;
1349 u32 ctrlext = er32(CTRL_EXT);
1350 u32 ctrl = er32(CTRL);
1351
ad68076e
BA		 1352 /*
1353 * save CTRL_EXT to restore later, reuse an empty variable (unused
1354 * on mac_type 80003es2lan)
1355 */
bc7f75fa
AK		 1356 adapter->tx_fifo_head = ctrlext;
1357
1358 /* clear the serdes mode bits, putting the device into mac loopback */
1359 ctrlext &= ~E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES;
1360 ew32(CTRL_EXT, ctrlext);
1361
1362 /* force speed to 1000/FD, link up */
1363 ctrl &= ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100);
1364 ctrl |= (E1000_CTRL_SLU | E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX |
1365 E1000_CTRL_SPD_1000 | E1000_CTRL_FD);
1366 ew32(CTRL, ctrl);
1367
1368 /* set mac loopback */
1369 ctrl = er32(RCTL);
1370 ctrl |= E1000_RCTL_LBM_MAC;
1371 ew32(RCTL, ctrl);
1372
1373 /* set testing mode parameters (no need to reset later) */
1374#define KMRNCTRLSTA_OPMODE (0x1F << 16)
1375#define KMRNCTRLSTA_OPMODE_1GB_FD_GMII 0x0582
1376 ew32(KMRNCTRLSTA,
cef8c793 1377 (KMRNCTRLSTA_OPMODE | KMRNCTRLSTA_OPMODE_1GB_FD_GMII));
bc7f75fa
AK		 1378
1379 return 0;
1380}
1381
1382static int e1000_setup_loopback_test(struct e1000_adapter *adapter)
1383{
1384 struct e1000_hw *hw = &adapter->hw;
1385 u32 rctl;
1386
318a94d6
JK		 1387 if (hw->phy.media_type == e1000_media_type_fiber ||
1388 hw->phy.media_type == e1000_media_type_internal_serdes) {
bc7f75fa
AK		 1389 switch (hw->mac.type) {
1390 case e1000_80003es2lan:
1391 return e1000_set_es2lan_mac_loopback(adapter);
1392 break;
1393 case e1000_82571:
1394 case e1000_82572:
1395 return e1000_set_82571_fiber_loopback(adapter);
1396 break;
1397 default:
1398 rctl = er32(RCTL);
1399 rctl |= E1000_RCTL_LBM_TCVR;
1400 ew32(RCTL, rctl);
1401 return 0;
1402 }
318a94d6 1403 } else if (hw->phy.media_type == e1000_media_type_copper) {
bc7f75fa
AK		 1404 return e1000_integrated_phy_loopback(adapter);
1405 }
1406
1407 return 7;
1408}
1409
1410static void e1000_loopback_cleanup(struct e1000_adapter *adapter)
1411{
1412 struct e1000_hw *hw = &adapter->hw;
1413 u32 rctl;
1414 u16 phy_reg;
1415
1416 rctl = er32(RCTL);
1417 rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
1418 ew32(RCTL, rctl);
1419
1420 switch (hw->mac.type) {
1421 case e1000_80003es2lan:
318a94d6
JK		 1422 if (hw->phy.media_type == e1000_media_type_fiber ||
1423 hw->phy.media_type == e1000_media_type_internal_serdes) {
bc7f75fa 1424 /* restore CTRL_EXT, stealing space from tx_fifo_head */
ad68076e 1425 ew32(CTRL_EXT, adapter->tx_fifo_head);
bc7f75fa
AK		 1426 adapter->tx_fifo_head = 0;
1427 }
1428 /* fall through */
1429 case e1000_82571:
1430 case e1000_82572:
318a94d6
JK		 1431 if (hw->phy.media_type == e1000_media_type_fiber ||
1432 hw->phy.media_type == e1000_media_type_internal_serdes) {
bc7f75fa
AK		 1433#define E1000_SERDES_LB_OFF 0x400
1434 ew32(SCTL, E1000_SERDES_LB_OFF);
1435 msleep(10);
1436 break;
1437 }
1438 /* Fall Through */
1439 default:
1440 hw->mac.autoneg = 1;
1441 if (hw->phy.type == e1000_phy_gg82563)
1442 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x180);
1443 e1e_rphy(hw, PHY_CONTROL, &phy_reg);
1444 if (phy_reg & MII_CR_LOOPBACK) {
1445 phy_reg &= ~MII_CR_LOOPBACK;
1446 e1e_wphy(hw, PHY_CONTROL, phy_reg);
1447 e1000e_commit_phy(hw);
1448 }
1449 break;
1450 }
1451}
1452
1453static void e1000_create_lbtest_frame(struct sk_buff *skb,
1454 unsigned int frame_size)
1455{
1456 memset(skb->data, 0xFF, frame_size);
1457 frame_size &= ~1;
1458 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1459 memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
1460 memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
1461}
1462
1463static int e1000_check_lbtest_frame(struct sk_buff *skb,
1464 unsigned int frame_size)
1465{
1466 frame_size &= ~1;
1467 if (*(skb->data + 3) == 0xFF)
1468 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
1469 (*(skb->data + frame_size / 2 + 12) == 0xAF))
1470 return 0;
1471 return 13;
1472}
1473
1474static int e1000_run_loopback_test(struct e1000_adapter *adapter)
1475{
1476 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1477 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1478 struct pci_dev *pdev = adapter->pdev;
1479 struct e1000_hw *hw = &adapter->hw;
1480 int i, j, k, l;
1481 int lc;
1482 int good_cnt;
1483 int ret_val = 0;
1484 unsigned long time;
1485
1486 ew32(RDT, rx_ring->count - 1);
1487
ad68076e
BA		 1488 /*
1489 * Calculate the loop count based on the largest descriptor ring
bc7f75fa
AK		 1490 * The idea is to wrap the largest ring a number of times using 64
1491 * send/receive pairs during each loop
1492 */
1493
1494 if (rx_ring->count <= tx_ring->count)
1495 lc = ((tx_ring->count / 64) * 2) + 1;
1496 else
1497 lc = ((rx_ring->count / 64) * 2) + 1;
1498
1499 k = 0;
1500 l = 0;
1501 for (j = 0; j <= lc; j++) { /* loop count loop */
1502 for (i = 0; i < 64; i++) { /* send the packets */
cef8c793
BA		 1503 e1000_create_lbtest_frame(tx_ring->buffer_info[k].skb,
1504 1024);
bc7f75fa
AK		 1505 pci_dma_sync_single_for_device(pdev,
1506 tx_ring->buffer_info[k].dma,
1507 tx_ring->buffer_info[k].length,
1508 PCI_DMA_TODEVICE);
1509 k++;
1510 if (k == tx_ring->count)
1511 k = 0;
1512 }
1513 ew32(TDT, k);
1514 msleep(200);
1515 time = jiffies; /* set the start time for the receive */
1516 good_cnt = 0;
1517 do { /* receive the sent packets */
1518 pci_dma_sync_single_for_cpu(pdev,
1519 rx_ring->buffer_info[l].dma, 2048,
1520 PCI_DMA_FROMDEVICE);
1521
1522 ret_val = e1000_check_lbtest_frame(
1523 rx_ring->buffer_info[l].skb, 1024);
1524 if (!ret_val)
1525 good_cnt++;
1526 l++;
1527 if (l == rx_ring->count)
1528 l = 0;
ad68076e
BA		 1529 /*
1530 * time + 20 msecs (200 msecs on 2.4) is more than
bc7f75fa
AK		 1531 * enough time to complete the receives, if it's
1532 * exceeded, break and error off
1533 */
1534 } while ((good_cnt < 64) && !time_after(jiffies, time + 20));
1535 if (good_cnt != 64) {
1536 ret_val = 13; /* ret_val is the same as mis-compare */
1537 break;
1538 }
cef8c793 1539 if (jiffies >= (time + 20)) {
bc7f75fa
AK		 1540 ret_val = 14; /* error code for time out error */
1541 break;
1542 }
1543 } /* end loop count loop */
1544 return ret_val;
1545}
1546
1547static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data)
1548{
ad68076e
BA		 1549 /*
1550 * PHY loopback cannot be performed if SoL/IDER
1551 * sessions are active
1552 */
bc7f75fa 1553 if (e1000_check_reset_block(&adapter->hw)) {
44defeb3 1554 e_err("Cannot do PHY loopback test when SoL/IDER is active.\n");
bc7f75fa
AK		 1555 *data = 0;
1556 goto out;
1557 }
1558
1559 *data = e1000_setup_desc_rings(adapter);
e265522c 1560 if (*data)
bc7f75fa
AK		 1561 goto out;
1562
1563 *data = e1000_setup_loopback_test(adapter);
e265522c 1564 if (*data)
bc7f75fa
AK		 1565 goto err_loopback;
1566
1567 *data = e1000_run_loopback_test(adapter);
1568 e1000_loopback_cleanup(adapter);
1569
1570err_loopback:
1571 e1000_free_desc_rings(adapter);
1572out:
1573 return *data;
1574}
1575
1576static int e1000_link_test(struct e1000_adapter *adapter, u64 *data)
1577{
1578 struct e1000_hw *hw = &adapter->hw;
1579
1580 *data = 0;
318a94d6 1581 if (hw->phy.media_type == e1000_media_type_internal_serdes) {
bc7f75fa
AK		 1582 int i = 0;
1583 hw->mac.serdes_has_link = 0;
1584
ad68076e
BA		 1585 /*
1586 * On some blade server designs, link establishment
1587 * could take as long as 2-3 minutes
1588 */
bc7f75fa
AK		 1589 do {
1590 hw->mac.ops.check_for_link(hw);
1591 if (hw->mac.serdes_has_link)
1592 return *data;
1593 msleep(20);
1594 } while (i++ < 3750);
1595
1596 *data = 1;
1597 } else {
1598 hw->mac.ops.check_for_link(hw);
1599 if (hw->mac.autoneg)
1600 msleep(4000);
1601
1602 if (!(er32(STATUS) &
1603 E1000_STATUS_LU))
1604 *data = 1;
1605 }
1606 return *data;
1607}
1608
b9f2c044 1609static int e1000e_get_sset_count(struct net_device *netdev, int sset)
bc7f75fa 1610{
b9f2c044
JG		 1611 switch (sset) {
1612 case ETH_SS_TEST:
1613 return E1000_TEST_LEN;
1614 case ETH_SS_STATS:
1615 return E1000_STATS_LEN;
1616 default:
1617 return -EOPNOTSUPP;
1618 }
bc7f75fa
AK		 1619}
1620
1621static void e1000_diag_test(struct net_device *netdev,
1622 struct ethtool_test *eth_test, u64 *data)
1623{
1624 struct e1000_adapter *adapter = netdev_priv(netdev);
1625 u16 autoneg_advertised;
1626 u8 forced_speed_duplex;
1627 u8 autoneg;
1628 bool if_running = netif_running(netdev);
1629
1630 set_bit(__E1000_TESTING, &adapter->state);
1631 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1632 /* Offline tests */
1633
1634 /* save speed, duplex, autoneg settings */
1635 autoneg_advertised = adapter->hw.phy.autoneg_advertised;
1636 forced_speed_duplex = adapter->hw.mac.forced_speed_duplex;
1637 autoneg = adapter->hw.mac.autoneg;
1638
44defeb3 1639 e_info("offline testing starting\n");
bc7f75fa 1640
ad68076e
BA		 1641 /*
1642 * Link test performed before hardware reset so autoneg doesn't
1643 * interfere with test result
1644 */
bc7f75fa
AK		 1645 if (e1000_link_test(adapter, &data[4]))
1646 eth_test->flags |= ETH_TEST_FL_FAILED;
1647
1648 if (if_running)
1649 /* indicate we're in test mode */
1650 dev_close(netdev);
1651 else
1652 e1000e_reset(adapter);
1653
1654 if (e1000_reg_test(adapter, &data[0]))
1655 eth_test->flags |= ETH_TEST_FL_FAILED;
1656
1657 e1000e_reset(adapter);
1658 if (e1000_eeprom_test(adapter, &data[1]))
1659 eth_test->flags |= ETH_TEST_FL_FAILED;
1660
1661 e1000e_reset(adapter);
1662 if (e1000_intr_test(adapter, &data[2]))
1663 eth_test->flags |= ETH_TEST_FL_FAILED;
1664
1665 e1000e_reset(adapter);
1666 /* make sure the phy is powered up */
1667 e1000e_power_up_phy(adapter);
1668 if (e1000_loopback_test(adapter, &data[3]))
1669 eth_test->flags |= ETH_TEST_FL_FAILED;
1670
1671 /* restore speed, duplex, autoneg settings */
1672 adapter->hw.phy.autoneg_advertised = autoneg_advertised;
1673 adapter->hw.mac.forced_speed_duplex = forced_speed_duplex;
1674 adapter->hw.mac.autoneg = autoneg;
1675
1676 /* force this routine to wait until autoneg complete/timeout */
318a94d6 1677 adapter->hw.phy.autoneg_wait_to_complete = 1;
bc7f75fa 1678 e1000e_reset(adapter);
318a94d6 1679 adapter->hw.phy.autoneg_wait_to_complete = 0;
bc7f75fa
AK		 1680
1681 clear_bit(__E1000_TESTING, &adapter->state);
1682 if (if_running)
1683 dev_open(netdev);
1684 } else {
44defeb3 1685 e_info("online testing starting\n");
bc7f75fa
AK		 1686 /* Online tests */
1687 if (e1000_link_test(adapter, &data[4]))
1688 eth_test->flags |= ETH_TEST_FL_FAILED;
1689
1690 /* Online tests aren't run; pass by default */
1691 data[0] = 0;
1692 data[1] = 0;
1693 data[2] = 0;
1694 data[3] = 0;
1695
1696 clear_bit(__E1000_TESTING, &adapter->state);
1697 }
1698 msleep_interruptible(4 * 1000);
1699}
1700
1701static void e1000_get_wol(struct net_device *netdev,
1702 struct ethtool_wolinfo *wol)
1703{
1704 struct e1000_adapter *adapter = netdev_priv(netdev);
1705
1706 wol->supported = 0;
1707 wol->wolopts = 0;
1708
1709 if (!(adapter->flags & FLAG_HAS_WOL))
1710 return;
1711
1712 wol->supported = WAKE_UCAST | WAKE_MCAST |
efb90e43
MW		 1713 WAKE_BCAST | WAKE_MAGIC |
1714 WAKE_PHY | WAKE_ARP;
bc7f75fa
AK		 1715
1716 /* apply any specific unsupported masks here */
1717 if (adapter->flags & FLAG_NO_WAKE_UCAST) {
1718 wol->supported &= ~WAKE_UCAST;
1719
1720 if (adapter->wol & E1000_WUFC_EX)
44defeb3
JK		 1721 e_err("Interface does not support directed (unicast) "
1722 "frame wake-up packets\n");
bc7f75fa
AK		 1723 }
1724
1725 if (adapter->wol & E1000_WUFC_EX)
1726 wol->wolopts |= WAKE_UCAST;
1727 if (adapter->wol & E1000_WUFC_MC)
1728 wol->wolopts |= WAKE_MCAST;
1729 if (adapter->wol & E1000_WUFC_BC)
1730 wol->wolopts |= WAKE_BCAST;
1731 if (adapter->wol & E1000_WUFC_MAG)
1732 wol->wolopts |= WAKE_MAGIC;
efb90e43
MW		 1733 if (adapter->wol & E1000_WUFC_LNKC)
1734 wol->wolopts |= WAKE_PHY;
1735 if (adapter->wol & E1000_WUFC_ARP)
1736 wol->wolopts |= WAKE_ARP;
bc7f75fa
AK		 1737}
1738
1739static int e1000_set_wol(struct net_device *netdev,
1740 struct ethtool_wolinfo *wol)
1741{
1742 struct e1000_adapter *adapter = netdev_priv(netdev);
1743
efb90e43 1744 if (wol->wolopts & WAKE_MAGICSECURE)
bc7f75fa
AK		 1745 return -EOPNOTSUPP;
1746
1747 if (!(adapter->flags & FLAG_HAS_WOL))
1748 return wol->wolopts ? -EOPNOTSUPP : 0;
1749
1750 /* these settings will always override what we currently have */
1751 adapter->wol = 0;
1752
1753 if (wol->wolopts & WAKE_UCAST)
1754 adapter->wol |= E1000_WUFC_EX;
1755 if (wol->wolopts & WAKE_MCAST)
1756 adapter->wol |= E1000_WUFC_MC;
1757 if (wol->wolopts & WAKE_BCAST)
1758 adapter->wol |= E1000_WUFC_BC;
1759 if (wol->wolopts & WAKE_MAGIC)
1760 adapter->wol |= E1000_WUFC_MAG;
efb90e43
MW		 1761 if (wol->wolopts & WAKE_PHY)
1762 adapter->wol |= E1000_WUFC_LNKC;
1763 if (wol->wolopts & WAKE_ARP)
1764 adapter->wol |= E1000_WUFC_ARP;
bc7f75fa
AK		 1765
1766 return 0;
1767}
1768
1769/* toggle LED 4 times per second = 2 "blinks" per second */
1770#define E1000_ID_INTERVAL (HZ/4)
1771
1772/* bit defines for adapter->led_status */
1773#define E1000_LED_ON 0
1774
1775static void e1000_led_blink_callback(unsigned long data)
1776{
1777 struct e1000_adapter *adapter = (struct e1000_adapter *) data;
1778
1779 if (test_and_change_bit(E1000_LED_ON, &adapter->led_status))
1780 adapter->hw.mac.ops.led_off(&adapter->hw);
1781 else
1782 adapter->hw.mac.ops.led_on(&adapter->hw);
1783
1784 mod_timer(&adapter->blink_timer, jiffies + E1000_ID_INTERVAL);
1785}
1786
1787static int e1000_phys_id(struct net_device *netdev, u32 data)
1788{
1789 struct e1000_adapter *adapter = netdev_priv(netdev);
4662e82b 1790 struct e1000_hw *hw = &adapter->hw;
bc7f75fa 1791
5a9147bb
SH		 1792 if (!data)
1793 data = INT_MAX;
bc7f75fa 1794
4662e82b
BA		 1795 if ((hw->phy.type == e1000_phy_ife) ||
1796 (hw->mac.type == e1000_82574)) {
bc7f75fa
AK		 1797 if (!adapter->blink_timer.function) {
1798 init_timer(&adapter->blink_timer);
1799 adapter->blink_timer.function =
1800 e1000_led_blink_callback;
1801 adapter->blink_timer.data = (unsigned long) adapter;
1802 }
1803 mod_timer(&adapter->blink_timer, jiffies);
1804 msleep_interruptible(data * 1000);
1805 del_timer_sync(&adapter->blink_timer);
4662e82b
BA		 1806 if (hw->phy.type == e1000_phy_ife)
1807 e1e_wphy(hw, IFE_PHY_SPECIAL_CONTROL_LED, 0);
bc7f75fa 1808 } else {
4662e82b 1809 e1000e_blink_led(hw);
bc7f75fa
AK		 1810 msleep_interruptible(data * 1000);
1811 }
1812
4662e82b 1813 hw->mac.ops.led_off(hw);
bc7f75fa 1814 clear_bit(E1000_LED_ON, &adapter->led_status);
4662e82b 1815 hw->mac.ops.cleanup_led(hw);
bc7f75fa
AK		 1816
1817 return 0;
1818}
1819
de5b3077
AK		 1820static int e1000_get_coalesce(struct net_device *netdev,
1821 struct ethtool_coalesce *ec)
1822{
1823 struct e1000_adapter *adapter = netdev_priv(netdev);
1824
1825 if (adapter->itr_setting <= 3)
1826 ec->rx_coalesce_usecs = adapter->itr_setting;
1827 else
1828 ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting;
1829
1830 return 0;
1831}
1832
1833static int e1000_set_coalesce(struct net_device *netdev,
1834 struct ethtool_coalesce *ec)
1835{
1836 struct e1000_adapter *adapter = netdev_priv(netdev);
1837 struct e1000_hw *hw = &adapter->hw;
1838
1839 if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) ||
1840 ((ec->rx_coalesce_usecs > 3) &&
1841 (ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) ||
1842 (ec->rx_coalesce_usecs == 2))
1843 return -EINVAL;
1844
1845 if (ec->rx_coalesce_usecs <= 3) {
1846 adapter->itr = 20000;
1847 adapter->itr_setting = ec->rx_coalesce_usecs;
1848 } else {
1849 adapter->itr = (1000000 / ec->rx_coalesce_usecs);
1850 adapter->itr_setting = adapter->itr & ~3;
1851 }
1852
1853 if (adapter->itr_setting != 0)
1854 ew32(ITR, 1000000000 / (adapter->itr * 256));
1855 else
1856 ew32(ITR, 0);
1857
1858 return 0;
1859}
1860
bc7f75fa
AK		 1861static int e1000_nway_reset(struct net_device *netdev)
1862{
1863 struct e1000_adapter *adapter = netdev_priv(netdev);
1864 if (netif_running(netdev))
1865 e1000e_reinit_locked(adapter);
1866 return 0;
1867}
1868
bc7f75fa
AK		 1869static void e1000_get_ethtool_stats(struct net_device *netdev,
1870 struct ethtool_stats *stats,
1871 u64 *data)
1872{
1873 struct e1000_adapter *adapter = netdev_priv(netdev);
1874 int i;
1875
1876 e1000e_update_stats(adapter);
1877 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1878 char *p = (char *)adapter+e1000_gstrings_stats[i].stat_offset;
1879 data[i] = (e1000_gstrings_stats[i].sizeof_stat ==
1880 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1881 }
1882}
1883
1884static void e1000_get_strings(struct net_device *netdev, u32 stringset,
1885 u8 *data)
1886{
1887 u8 *p = data;
1888 int i;
1889
1890 switch (stringset) {
1891 case ETH_SS_TEST:
ad68076e 1892 memcpy(data, *e1000_gstrings_test, sizeof(e1000_gstrings_test));
bc7f75fa
AK		 1893 break;
1894 case ETH_SS_STATS:
1895 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1896 memcpy(p, e1000_gstrings_stats[i].stat_string,
1897 ETH_GSTRING_LEN);
1898 p += ETH_GSTRING_LEN;
1899 }
1900 break;
1901 }
1902}
1903
1904static const struct ethtool_ops e1000_ethtool_ops = {
1905 .get_settings = e1000_get_settings,
1906 .set_settings = e1000_set_settings,
1907 .get_drvinfo = e1000_get_drvinfo,
1908 .get_regs_len = e1000_get_regs_len,
1909 .get_regs = e1000_get_regs,
1910 .get_wol = e1000_get_wol,
1911 .set_wol = e1000_set_wol,
1912 .get_msglevel = e1000_get_msglevel,
1913 .set_msglevel = e1000_set_msglevel,
1914 .nway_reset = e1000_nway_reset,
369d742d 1915 .get_link = e1000_get_link,
bc7f75fa
AK		 1916 .get_eeprom_len = e1000_get_eeprom_len,
1917 .get_eeprom = e1000_get_eeprom,
1918 .set_eeprom = e1000_set_eeprom,
1919 .get_ringparam = e1000_get_ringparam,
1920 .set_ringparam = e1000_set_ringparam,
1921 .get_pauseparam = e1000_get_pauseparam,
1922 .set_pauseparam = e1000_set_pauseparam,
1923 .get_rx_csum = e1000_get_rx_csum,
1924 .set_rx_csum = e1000_set_rx_csum,
1925 .get_tx_csum = e1000_get_tx_csum,
1926 .set_tx_csum = e1000_set_tx_csum,
1927 .get_sg = ethtool_op_get_sg,
1928 .set_sg = ethtool_op_set_sg,
1929 .get_tso = ethtool_op_get_tso,
1930 .set_tso = e1000_set_tso,
bc7f75fa
AK		 1931 .self_test = e1000_diag_test,
1932 .get_strings = e1000_get_strings,
1933 .phys_id = e1000_phys_id,
bc7f75fa 1934 .get_ethtool_stats = e1000_get_ethtool_stats,
b9f2c044 1935 .get_sset_count = e1000e_get_sset_count,
de5b3077
AK		 1936 .get_coalesce = e1000_get_coalesce,
1937 .set_coalesce = e1000_set_coalesce,
bc7f75fa
AK		 1938};
1939
1940void e1000e_set_ethtool_ops(struct net_device *netdev)
1941{
1942 SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops);
1943}
Linux 6.x block layer and io_uring tree(s)