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libertas: convert CMD_802_11_RF_TX_POWER to a direct command
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / net / e1000e / ethtool.c
blobe21c9e0f3738441a159ad0a4068e9bb8fe2b82e5
1 /*******************************************************************************
2
3 Intel PRO/1000 Linux driver
4 Copyright(c) 1999 - 2008 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/ethtool.h>
33 #include <linux/pci.h>
34 #include <linux/delay.h>
35
36 #include "e1000.h"
37
38 struct 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)
46 static const struct e1000_stats e1000_gstrings_stats[] = {
47 { "rx_packets", E1000_STAT(stats.gprc) },
48 { "tx_packets", E1000_STAT(stats.gptc) },
49 { "rx_bytes", E1000_STAT(stats.gorc) },
50 { "tx_bytes", E1000_STAT(stats.gotc) },
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) },
86 { "rx_long_byte_count", E1000_STAT(stats.gorc) },
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
98 #define E1000_GLOBAL_STATS_LEN ARRAY_SIZE(e1000_gstrings_stats)
99 #define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN)
100 static 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 };
105 #define E1000_TEST_LEN ARRAY_SIZE(e1000_gstrings_test)
106
107 static 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;
112 u32 status;
113
114 if (hw->phy.media_type == e1000_media_type_copper) {
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
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;
158
159 if (status & E1000_STATUS_FD)
160 ecmd->duplex = DUPLEX_FULL;
161 else
162 ecmd->duplex = DUPLEX_HALF;
163 } else {
164 ecmd->speed = -1;
165 ecmd->duplex = -1;
166 }
167
168 ecmd->autoneg = ((hw->phy.media_type == e1000_media_type_fiber) ||
169 hw->mac.autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE;
170 return 0;
171 }
172
173 static 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);
180 return (status & E1000_STATUS_LU) ? 1 : 0;
181 }
182
183 static 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 */
190 if ((adapter->hw.phy.media_type == e1000_media_type_fiber) &&
191 spddplx != (SPEED_1000 + DUPLEX_FULL)) {
192 e_err("Unsupported Speed/Duplex configuration\n");
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:
215 e_err("Unsupported Speed/Duplex configuration\n");
216 return -EINVAL;
217 }
218 return 0;
219 }
220
221 static 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
227 /*
228 * When SoL/IDER sessions are active, autoneg/speed/duplex
229 * cannot be changed
230 */
231 if (e1000_check_reset_block(hw)) {
232 e_err("Cannot change link characteristics when SoL/IDER is "
233 "active.\n");
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;
242 if (hw->phy.media_type == e1000_media_type_fiber)
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;
251 if (adapter->fc_autoneg)
252 hw->fc.original_type = e1000_fc_default;
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
273 static 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
282 if (hw->fc.type == e1000_fc_rx_pause) {
283 pause->rx_pause = 1;
284 } else if (hw->fc.type == e1000_fc_tx_pause) {
285 pause->tx_pause = 1;
286 } else if (hw->fc.type == e1000_fc_full) {
287 pause->rx_pause = 1;
288 pause->tx_pause = 1;
289 }
290 }
291
292 static 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)
305 hw->fc.type = e1000_fc_full;
306 else if (pause->rx_pause && !pause->tx_pause)
307 hw->fc.type = e1000_fc_rx_pause;
308 else if (!pause->rx_pause && pause->tx_pause)
309 hw->fc.type = e1000_fc_tx_pause;
310 else if (!pause->rx_pause && !pause->tx_pause)
311 hw->fc.type = e1000_fc_none;
312
313 hw->fc.original_type = hw->fc.type;
314
315 if (adapter->fc_autoneg == AUTONEG_ENABLE) {
316 hw->fc.type = e1000_fc_default;
317 if (netif_running(adapter->netdev)) {
318 e1000e_down(adapter);
319 e1000e_up(adapter);
320 } else {
321 e1000e_reset(adapter);
322 }
323 } else {
324 retval = ((hw->phy.media_type == e1000_media_type_fiber) ?
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
332 static 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
338 static 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
354 static u32 e1000_get_tx_csum(struct net_device *netdev)
355 {
356 return ((netdev->features & NETIF_F_HW_CSUM) != 0);
357 }
358
359 static 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
369 static 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
381 e_info("TSO is %s\n", data ? "Enabled" : "Disabled");
382 adapter->flags |= FLAG_TSO_FORCE;
383 return 0;
384 }
385
386 static u32 e1000_get_msglevel(struct net_device *netdev)
387 {
388 struct e1000_adapter *adapter = netdev_priv(netdev);
389 return adapter->msg_enable;
390 }
391
392 static 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
398 static 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
404 static 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
456 static 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
462 static 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]);
494 if (ret_val) {
495 /* a read error occurred, throw away the
496 * result */
497 memset(eeprom_buff, 0xff, sizeof(eeprom_buff));
498 break;
499 }
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
513 static 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
566 /*
567 * Update the checksum over the first part of the EEPROM if needed
568 * and flush shadow RAM for 82573 controllers
569 */
570 if ((ret_val == 0) && ((first_word <= NVM_CHECKSUM_REG) ||
571 (hw->mac.type == e1000_82573)))
572 e1000e_update_nvm_checksum(hw);
573
574 kfree(eeprom_buff);
575 return ret_val;
576 }
577
578 static void e1000_get_drvinfo(struct net_device *netdev,
579 struct ethtool_drvinfo *drvinfo)
580 {
581 struct e1000_adapter *adapter = netdev_priv(netdev);
582 char firmware_version[32];
583 u16 eeprom_data;
584
585 strncpy(drvinfo->driver, e1000e_driver_name, 32);
586 strncpy(drvinfo->version, e1000e_driver_version, 32);
587
588 /*
589 * EEPROM image version # is reported as firmware version # for
590 * PCI-E controllers
591 */
592 e1000_read_nvm(&adapter->hw, 5, 1, &eeprom_data);
593 sprintf(firmware_version, "%d.%d-%d",
594 (eeprom_data & 0xF000) >> 12,
595 (eeprom_data & 0x0FF0) >> 4,
596 eeprom_data & 0x000F);
597
598 strncpy(drvinfo->fw_version, firmware_version, 32);
599 strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
600 drvinfo->regdump_len = e1000_get_regs_len(netdev);
601 drvinfo->eedump_len = e1000_get_eeprom_len(netdev);
602 }
603
604 static void e1000_get_ringparam(struct net_device *netdev,
605 struct ethtool_ringparam *ring)
606 {
607 struct e1000_adapter *adapter = netdev_priv(netdev);
608 struct e1000_ring *tx_ring = adapter->tx_ring;
609 struct e1000_ring *rx_ring = adapter->rx_ring;
610
611 ring->rx_max_pending = E1000_MAX_RXD;
612 ring->tx_max_pending = E1000_MAX_TXD;
613 ring->rx_mini_max_pending = 0;
614 ring->rx_jumbo_max_pending = 0;
615 ring->rx_pending = rx_ring->count;
616 ring->tx_pending = tx_ring->count;
617 ring->rx_mini_pending = 0;
618 ring->rx_jumbo_pending = 0;
619 }
620
621 static int e1000_set_ringparam(struct net_device *netdev,
622 struct ethtool_ringparam *ring)
623 {
624 struct e1000_adapter *adapter = netdev_priv(netdev);
625 struct e1000_ring *tx_ring, *tx_old;
626 struct e1000_ring *rx_ring, *rx_old;
627 int err;
628
629 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
630 return -EINVAL;
631
632 while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
633 msleep(1);
634
635 if (netif_running(adapter->netdev))
636 e1000e_down(adapter);
637
638 tx_old = adapter->tx_ring;
639 rx_old = adapter->rx_ring;
640
641 err = -ENOMEM;
642 tx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL);
643 if (!tx_ring)
644 goto err_alloc_tx;
645 /*
646 * use a memcpy to save any previously configured
647 * items like napi structs from having to be
648 * reinitialized
649 */
650 memcpy(tx_ring, tx_old, sizeof(struct e1000_ring));
651
652 rx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL);
653 if (!rx_ring)
654 goto err_alloc_rx;
655 memcpy(rx_ring, rx_old, sizeof(struct e1000_ring));
656
657 adapter->tx_ring = tx_ring;
658 adapter->rx_ring = rx_ring;
659
660 rx_ring->count = max(ring->rx_pending, (u32)E1000_MIN_RXD);
661 rx_ring->count = min(rx_ring->count, (u32)(E1000_MAX_RXD));
662 rx_ring->count = ALIGN(rx_ring->count, REQ_RX_DESCRIPTOR_MULTIPLE);
663
664 tx_ring->count = max(ring->tx_pending, (u32)E1000_MIN_TXD);
665 tx_ring->count = min(tx_ring->count, (u32)(E1000_MAX_TXD));
666 tx_ring->count = ALIGN(tx_ring->count, REQ_TX_DESCRIPTOR_MULTIPLE);
667
668 if (netif_running(adapter->netdev)) {
669 /* Try to get new resources before deleting old */
670 err = e1000e_setup_rx_resources(adapter);
671 if (err)
672 goto err_setup_rx;
673 err = e1000e_setup_tx_resources(adapter);
674 if (err)
675 goto err_setup_tx;
676
677 /*
678 * restore the old in order to free it,
679 * then add in the new
680 */
681 adapter->rx_ring = rx_old;
682 adapter->tx_ring = tx_old;
683 e1000e_free_rx_resources(adapter);
684 e1000e_free_tx_resources(adapter);
685 kfree(tx_old);
686 kfree(rx_old);
687 adapter->rx_ring = rx_ring;
688 adapter->tx_ring = tx_ring;
689 err = e1000e_up(adapter);
690 if (err)
691 goto err_setup;
692 }
693
694 clear_bit(__E1000_RESETTING, &adapter->state);
695 return 0;
696 err_setup_tx:
697 e1000e_free_rx_resources(adapter);
698 err_setup_rx:
699 adapter->rx_ring = rx_old;
700 adapter->tx_ring = tx_old;
701 kfree(rx_ring);
702 err_alloc_rx:
703 kfree(tx_ring);
704 err_alloc_tx:
705 e1000e_up(adapter);
706 err_setup:
707 clear_bit(__E1000_RESETTING, &adapter->state);
708 return err;
709 }
710
711 static bool reg_pattern_test(struct e1000_adapter *adapter, u64 *data,
712 int reg, int offset, u32 mask, u32 write)
713 {
714 u32 pat, val;
715 static const u32 test[] =
716 {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF};
717 for (pat = 0; pat < ARRAY_SIZE(test); pat++) {
718 E1000_WRITE_REG_ARRAY(&adapter->hw, reg, offset,
719 (test[pat] & write));
720 val = E1000_READ_REG_ARRAY(&adapter->hw, reg, offset);
721 if (val != (test[pat] & write & mask)) {
722 e_err("pattern test reg %04X failed: got 0x%08X "
723 "expected 0x%08X\n", reg + offset, val,
724 (test[pat] & write & mask));
725 *data = reg;
726 return 1;
727 }
728 }
729 return 0;
730 }
731
732 static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data,
733 int reg, u32 mask, u32 write)
734 {
735 u32 val;
736 __ew32(&adapter->hw, reg, write & mask);
737 val = __er32(&adapter->hw, reg);
738 if ((write & mask) != (val & mask)) {
739 e_err("set/check reg %04X test failed: got 0x%08X "
740 "expected 0x%08X\n", reg, (val & mask), (write & mask));
741 *data = reg;
742 return 1;
743 }
744 return 0;
745 }
746 #define REG_PATTERN_TEST_ARRAY(reg, offset, mask, write) \
747 do { \
748 if (reg_pattern_test(adapter, data, reg, offset, mask, write)) \
749 return 1; \
750 } while (0)
751 #define REG_PATTERN_TEST(reg, mask, write) \
752 REG_PATTERN_TEST_ARRAY(reg, 0, mask, write)
753
754 #define REG_SET_AND_CHECK(reg, mask, write) \
755 do { \
756 if (reg_set_and_check(adapter, data, reg, mask, write)) \
757 return 1; \
758 } while (0)
759
760 static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data)
761 {
762 struct e1000_hw *hw = &adapter->hw;
763 struct e1000_mac_info *mac = &adapter->hw.mac;
764 u32 value;
765 u32 before;
766 u32 after;
767 u32 i;
768 u32 toggle;
769
770 /*
771 * The status register is Read Only, so a write should fail.
772 * Some bits that get toggled are ignored.
773 */
774 switch (mac->type) {
775 /* there are several bits on newer hardware that are r/w */
776 case e1000_82571:
777 case e1000_82572:
778 case e1000_80003es2lan:
779 toggle = 0x7FFFF3FF;
780 break;
781 case e1000_82573:
782 case e1000_ich8lan:
783 case e1000_ich9lan:
784 toggle = 0x7FFFF033;
785 break;
786 default:
787 toggle = 0xFFFFF833;
788 break;
789 }
790
791 before = er32(STATUS);
792 value = (er32(STATUS) & toggle);
793 ew32(STATUS, toggle);
794 after = er32(STATUS) & toggle;
795 if (value != after) {
796 e_err("failed STATUS register test got: 0x%08X expected: "
797 "0x%08X\n", after, value);
798 *data = 1;
799 return 1;
800 }
801 /* restore previous status */
802 ew32(STATUS, before);
803
804 if (!(adapter->flags & FLAG_IS_ICH)) {
805 REG_PATTERN_TEST(E1000_FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
806 REG_PATTERN_TEST(E1000_FCAH, 0x0000FFFF, 0xFFFFFFFF);
807 REG_PATTERN_TEST(E1000_FCT, 0x0000FFFF, 0xFFFFFFFF);
808 REG_PATTERN_TEST(E1000_VET, 0x0000FFFF, 0xFFFFFFFF);
809 }
810
811 REG_PATTERN_TEST(E1000_RDTR, 0x0000FFFF, 0xFFFFFFFF);
812 REG_PATTERN_TEST(E1000_RDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
813 REG_PATTERN_TEST(E1000_RDLEN, 0x000FFF80, 0x000FFFFF);
814 REG_PATTERN_TEST(E1000_RDH, 0x0000FFFF, 0x0000FFFF);
815 REG_PATTERN_TEST(E1000_RDT, 0x0000FFFF, 0x0000FFFF);
816 REG_PATTERN_TEST(E1000_FCRTH, 0x0000FFF8, 0x0000FFF8);
817 REG_PATTERN_TEST(E1000_FCTTV, 0x0000FFFF, 0x0000FFFF);
818 REG_PATTERN_TEST(E1000_TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
819 REG_PATTERN_TEST(E1000_TDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
820 REG_PATTERN_TEST(E1000_TDLEN, 0x000FFF80, 0x000FFFFF);
821
822 REG_SET_AND_CHECK(E1000_RCTL, 0xFFFFFFFF, 0x00000000);
823
824 before = ((adapter->flags & FLAG_IS_ICH) ? 0x06C3B33E : 0x06DFB3FE);
825 REG_SET_AND_CHECK(E1000_RCTL, before, 0x003FFFFB);
826 REG_SET_AND_CHECK(E1000_TCTL, 0xFFFFFFFF, 0x00000000);
827
828 REG_SET_AND_CHECK(E1000_RCTL, before, 0xFFFFFFFF);
829 REG_PATTERN_TEST(E1000_RDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
830 if (!(adapter->flags & FLAG_IS_ICH))
831 REG_PATTERN_TEST(E1000_TXCW, 0xC000FFFF, 0x0000FFFF);
832 REG_PATTERN_TEST(E1000_TDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
833 REG_PATTERN_TEST(E1000_TIDV, 0x0000FFFF, 0x0000FFFF);
834 for (i = 0; i < mac->rar_entry_count; i++)
835 REG_PATTERN_TEST_ARRAY(E1000_RA, ((i << 1) + 1),
836 0x8003FFFF, 0xFFFFFFFF);
837
838 for (i = 0; i < mac->mta_reg_count; i++)
839 REG_PATTERN_TEST_ARRAY(E1000_MTA, i, 0xFFFFFFFF, 0xFFFFFFFF);
840
841 *data = 0;
842 return 0;
843 }
844
845 static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data)
846 {
847 u16 temp;
848 u16 checksum = 0;
849 u16 i;
850
851 *data = 0;
852 /* Read and add up the contents of the EEPROM */
853 for (i = 0; i < (NVM_CHECKSUM_REG + 1); i++) {
854 if ((e1000_read_nvm(&adapter->hw, i, 1, &temp)) < 0) {
855 *data = 1;
856 break;
857 }
858 checksum += temp;
859 }
860
861 /* If Checksum is not Correct return error else test passed */
862 if ((checksum != (u16) NVM_SUM) && !(*data))
863 *data = 2;
864
865 return *data;
866 }
867
868 static irqreturn_t e1000_test_intr(int irq, void *data)
869 {
870 struct net_device *netdev = (struct net_device *) data;
871 struct e1000_adapter *adapter = netdev_priv(netdev);
872 struct e1000_hw *hw = &adapter->hw;
873
874 adapter->test_icr |= er32(ICR);
875
876 return IRQ_HANDLED;
877 }
878
879 static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data)
880 {
881 struct net_device *netdev = adapter->netdev;
882 struct e1000_hw *hw = &adapter->hw;
883 u32 mask;
884 u32 shared_int = 1;
885 u32 irq = adapter->pdev->irq;
886 int i;
887
888 *data = 0;
889
890 /* NOTE: we don't test MSI interrupts here, yet */
891 /* Hook up test interrupt handler just for this test */
892 if (!request_irq(irq, &e1000_test_intr, IRQF_PROBE_SHARED, netdev->name,
893 netdev)) {
894 shared_int = 0;
895 } else if (request_irq(irq, &e1000_test_intr, IRQF_SHARED,
896 netdev->name, netdev)) {
897 *data = 1;
898 return -1;
899 }
900 e_info("testing %s interrupt\n", (shared_int ? "shared" : "unshared"));
901
902 /* Disable all the interrupts */
903 ew32(IMC, 0xFFFFFFFF);
904 msleep(10);
905
906 /* Test each interrupt */
907 for (i = 0; i < 10; i++) {
908 if ((adapter->flags & FLAG_IS_ICH) && (i == 8))
909 continue;
910
911 /* Interrupt to test */
912 mask = 1 << i;
913
914 if (!shared_int) {
915 /*
916 * Disable the interrupt to be reported in
917 * the cause register and then force the same
918 * interrupt and see if one gets posted. If
919 * an interrupt was posted to the bus, the
920 * test failed.
921 */
922 adapter->test_icr = 0;
923 ew32(IMC, mask);
924 ew32(ICS, mask);
925 msleep(10);
926
927 if (adapter->test_icr & mask) {
928 *data = 3;
929 break;
930 }
931 }
932
933 /*
934 * Enable the interrupt to be reported in
935 * the cause register and then force the same
936 * interrupt and see if one gets posted. If
937 * an interrupt was not posted to the bus, the
938 * test failed.
939 */
940 adapter->test_icr = 0;
941 ew32(IMS, mask);
942 ew32(ICS, mask);
943 msleep(10);
944
945 if (!(adapter->test_icr & mask)) {
946 *data = 4;
947 break;
948 }
949
950 if (!shared_int) {
951 /*
952 * Disable the other interrupts to be reported in
953 * the cause register and then force the other
954 * interrupts and see if any get posted. If
955 * an interrupt was posted to the bus, the
956 * test failed.
957 */
958 adapter->test_icr = 0;
959 ew32(IMC, ~mask & 0x00007FFF);
960 ew32(ICS, ~mask & 0x00007FFF);
961 msleep(10);
962
963 if (adapter->test_icr) {
964 *data = 5;
965 break;
966 }
967 }
968 }
969
970 /* Disable all the interrupts */
971 ew32(IMC, 0xFFFFFFFF);
972 msleep(10);
973
974 /* Unhook test interrupt handler */
975 free_irq(irq, netdev);
976
977 return *data;
978 }
979
980 static void e1000_free_desc_rings(struct e1000_adapter *adapter)
981 {
982 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
983 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
984 struct pci_dev *pdev = adapter->pdev;
985 int i;
986
987 if (tx_ring->desc && tx_ring->buffer_info) {
988 for (i = 0; i < tx_ring->count; i++) {
989 if (tx_ring->buffer_info[i].dma)
990 pci_unmap_single(pdev,
991 tx_ring->buffer_info[i].dma,
992 tx_ring->buffer_info[i].length,
993 PCI_DMA_TODEVICE);
994 if (tx_ring->buffer_info[i].skb)
995 dev_kfree_skb(tx_ring->buffer_info[i].skb);
996 }
997 }
998
999 if (rx_ring->desc && rx_ring->buffer_info) {
1000 for (i = 0; i < rx_ring->count; i++) {
1001 if (rx_ring->buffer_info[i].dma)
1002 pci_unmap_single(pdev,
1003 rx_ring->buffer_info[i].dma,
1004 2048, PCI_DMA_FROMDEVICE);
1005 if (rx_ring->buffer_info[i].skb)
1006 dev_kfree_skb(rx_ring->buffer_info[i].skb);
1007 }
1008 }
1009
1010 if (tx_ring->desc) {
1011 dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc,
1012 tx_ring->dma);
1013 tx_ring->desc = NULL;
1014 }
1015 if (rx_ring->desc) {
1016 dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc,
1017 rx_ring->dma);
1018 rx_ring->desc = NULL;
1019 }
1020
1021 kfree(tx_ring->buffer_info);
1022 tx_ring->buffer_info = NULL;
1023 kfree(rx_ring->buffer_info);
1024 rx_ring->buffer_info = NULL;
1025 }
1026
1027 static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
1028 {
1029 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1030 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1031 struct pci_dev *pdev = adapter->pdev;
1032 struct e1000_hw *hw = &adapter->hw;
1033 u32 rctl;
1034 int i;
1035 int ret_val;
1036
1037 /* Setup Tx descriptor ring and Tx buffers */
1038
1039 if (!tx_ring->count)
1040 tx_ring->count = E1000_DEFAULT_TXD;
1041
1042 tx_ring->buffer_info = kcalloc(tx_ring->count,
1043 sizeof(struct e1000_buffer),
1044 GFP_KERNEL);
1045 if (!(tx_ring->buffer_info)) {
1046 ret_val = 1;
1047 goto err_nomem;
1048 }
1049
1050 tx_ring->size = tx_ring->count * sizeof(struct e1000_tx_desc);
1051 tx_ring->size = ALIGN(tx_ring->size, 4096);
1052 tx_ring->desc = dma_alloc_coherent(&pdev->dev, tx_ring->size,
1053 &tx_ring->dma, GFP_KERNEL);
1054 if (!tx_ring->desc) {
1055 ret_val = 2;
1056 goto err_nomem;
1057 }
1058 tx_ring->next_to_use = 0;
1059 tx_ring->next_to_clean = 0;
1060
1061 ew32(TDBAL, ((u64) tx_ring->dma & 0x00000000FFFFFFFF));
1062 ew32(TDBAH, ((u64) tx_ring->dma >> 32));
1063 ew32(TDLEN, tx_ring->count * sizeof(struct e1000_tx_desc));
1064 ew32(TDH, 0);
1065 ew32(TDT, 0);
1066 ew32(TCTL, E1000_TCTL_PSP | E1000_TCTL_EN | E1000_TCTL_MULR |
1067 E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
1068 E1000_COLLISION_DISTANCE << E1000_COLD_SHIFT);
1069
1070 for (i = 0; i < tx_ring->count; i++) {
1071 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*tx_ring, i);
1072 struct sk_buff *skb;
1073 unsigned int skb_size = 1024;
1074
1075 skb = alloc_skb(skb_size, GFP_KERNEL);
1076 if (!skb) {
1077 ret_val = 3;
1078 goto err_nomem;
1079 }
1080 skb_put(skb, skb_size);
1081 tx_ring->buffer_info[i].skb = skb;
1082 tx_ring->buffer_info[i].length = skb->len;
1083 tx_ring->buffer_info[i].dma =
1084 pci_map_single(pdev, skb->data, skb->len,
1085 PCI_DMA_TODEVICE);
1086 if (pci_dma_mapping_error(pdev, tx_ring->buffer_info[i].dma)) {
1087 ret_val = 4;
1088 goto err_nomem;
1089 }
1090 tx_desc->buffer_addr = cpu_to_le64(tx_ring->buffer_info[i].dma);
1091 tx_desc->lower.data = cpu_to_le32(skb->len);
1092 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
1093 E1000_TXD_CMD_IFCS |
1094 E1000_TXD_CMD_RS);
1095 tx_desc->upper.data = 0;
1096 }
1097
1098 /* Setup Rx descriptor ring and Rx buffers */
1099
1100 if (!rx_ring->count)
1101 rx_ring->count = E1000_DEFAULT_RXD;
1102
1103 rx_ring->buffer_info = kcalloc(rx_ring->count,
1104 sizeof(struct e1000_buffer),
1105 GFP_KERNEL);
1106 if (!(rx_ring->buffer_info)) {
1107 ret_val = 5;
1108 goto err_nomem;
1109 }
1110
1111 rx_ring->size = rx_ring->count * sizeof(struct e1000_rx_desc);
1112 rx_ring->desc = dma_alloc_coherent(&pdev->dev, rx_ring->size,
1113 &rx_ring->dma, GFP_KERNEL);
1114 if (!rx_ring->desc) {
1115 ret_val = 6;
1116 goto err_nomem;
1117 }
1118 rx_ring->next_to_use = 0;
1119 rx_ring->next_to_clean = 0;
1120
1121 rctl = er32(RCTL);
1122 ew32(RCTL, rctl & ~E1000_RCTL_EN);
1123 ew32(RDBAL, ((u64) rx_ring->dma & 0xFFFFFFFF));
1124 ew32(RDBAH, ((u64) rx_ring->dma >> 32));
1125 ew32(RDLEN, rx_ring->size);
1126 ew32(RDH, 0);
1127 ew32(RDT, 0);
1128 rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
1129 E1000_RCTL_UPE | E1000_RCTL_MPE | E1000_RCTL_LPE |
1130 E1000_RCTL_SBP | E1000_RCTL_SECRC |
1131 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
1132 (adapter->hw.mac.mc_filter_type << E1000_RCTL_MO_SHIFT);
1133 ew32(RCTL, rctl);
1134
1135 for (i = 0; i < rx_ring->count; i++) {
1136 struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rx_ring, i);
1137 struct sk_buff *skb;
1138
1139 skb = alloc_skb(2048 + NET_IP_ALIGN, GFP_KERNEL);
1140 if (!skb) {
1141 ret_val = 7;
1142 goto err_nomem;
1143 }
1144 skb_reserve(skb, NET_IP_ALIGN);
1145 rx_ring->buffer_info[i].skb = skb;
1146 rx_ring->buffer_info[i].dma =
1147 pci_map_single(pdev, skb->data, 2048,
1148 PCI_DMA_FROMDEVICE);
1149 if (pci_dma_mapping_error(pdev, rx_ring->buffer_info[i].dma)) {
1150 ret_val = 8;
1151 goto err_nomem;
1152 }
1153 rx_desc->buffer_addr =
1154 cpu_to_le64(rx_ring->buffer_info[i].dma);
1155 memset(skb->data, 0x00, skb->len);
1156 }
1157
1158 return 0;
1159
1160 err_nomem:
1161 e1000_free_desc_rings(adapter);
1162 return ret_val;
1163 }
1164
1165 static void e1000_phy_disable_receiver(struct e1000_adapter *adapter)
1166 {
1167 /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1168 e1e_wphy(&adapter->hw, 29, 0x001F);
1169 e1e_wphy(&adapter->hw, 30, 0x8FFC);
1170 e1e_wphy(&adapter->hw, 29, 0x001A);
1171 e1e_wphy(&adapter->hw, 30, 0x8FF0);
1172 }
1173
1174 static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
1175 {
1176 struct e1000_hw *hw = &adapter->hw;
1177 u32 ctrl_reg = 0;
1178 u32 stat_reg = 0;
1179 u16 phy_reg = 0;
1180
1181 hw->mac.autoneg = 0;
1182
1183 if (hw->phy.type == e1000_phy_m88) {
1184 /* Auto-MDI/MDIX Off */
1185 e1e_wphy(hw, M88E1000_PHY_SPEC_CTRL, 0x0808);
1186 /* reset to update Auto-MDI/MDIX */
1187 e1e_wphy(hw, PHY_CONTROL, 0x9140);
1188 /* autoneg off */
1189 e1e_wphy(hw, PHY_CONTROL, 0x8140);
1190 } else if (hw->phy.type == e1000_phy_gg82563)
1191 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x1CC);
1192
1193 ctrl_reg = er32(CTRL);
1194
1195 switch (hw->phy.type) {
1196 case e1000_phy_ife:
1197 /* force 100, set loopback */
1198 e1e_wphy(hw, PHY_CONTROL, 0x6100);
1199
1200 /* Now set up the MAC to the same speed/duplex as the PHY. */
1201 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1202 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1203 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1204 E1000_CTRL_SPD_100 |/* Force Speed to 100 */
1205 E1000_CTRL_FD); /* Force Duplex to FULL */
1206 break;
1207 case e1000_phy_bm:
1208 /* Set Default MAC Interface speed to 1GB */
1209 e1e_rphy(hw, PHY_REG(2, 21), &phy_reg);
1210 phy_reg &= ~0x0007;
1211 phy_reg |= 0x006;
1212 e1e_wphy(hw, PHY_REG(2, 21), phy_reg);
1213 /* Assert SW reset for above settings to take effect */
1214 e1000e_commit_phy(hw);
1215 mdelay(1);
1216 /* Force Full Duplex */
1217 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg);
1218 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x000C);
1219 /* Set Link Up (in force link) */
1220 e1e_rphy(hw, PHY_REG(776, 16), &phy_reg);
1221 e1e_wphy(hw, PHY_REG(776, 16), phy_reg | 0x0040);
1222 /* Force Link */
1223 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg);
1224 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x0040);
1225 /* Set Early Link Enable */
1226 e1e_rphy(hw, PHY_REG(769, 20), &phy_reg);
1227 e1e_wphy(hw, PHY_REG(769, 20), phy_reg | 0x0400);
1228 /* fall through */
1229 default:
1230 /* force 1000, set loopback */
1231 e1e_wphy(hw, PHY_CONTROL, 0x4140);
1232 mdelay(250);
1233
1234 /* Now set up the MAC to the same speed/duplex as the PHY. */
1235 ctrl_reg = er32(CTRL);
1236 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1237 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1238 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1239 E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
1240 E1000_CTRL_FD); /* Force Duplex to FULL */
1241
1242 if (adapter->flags & FLAG_IS_ICH)
1243 ctrl_reg |= E1000_CTRL_SLU; /* Set Link Up */
1244 }
1245
1246 if (hw->phy.media_type == e1000_media_type_copper &&
1247 hw->phy.type == e1000_phy_m88) {
1248 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
1249 } else {
1250 /*
1251 * Set the ILOS bit on the fiber Nic if half duplex link is
1252 * detected.
1253 */
1254 stat_reg = er32(STATUS);
1255 if ((stat_reg & E1000_STATUS_FD) == 0)
1256 ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
1257 }
1258
1259 ew32(CTRL, ctrl_reg);
1260
1261 /*
1262 * Disable the receiver on the PHY so when a cable is plugged in, the
1263 * PHY does not begin to autoneg when a cable is reconnected to the NIC.
1264 */
1265 if (hw->phy.type == e1000_phy_m88)
1266 e1000_phy_disable_receiver(adapter);
1267
1268 udelay(500);
1269
1270 return 0;
1271 }
1272
1273 static int e1000_set_82571_fiber_loopback(struct e1000_adapter *adapter)
1274 {
1275 struct e1000_hw *hw = &adapter->hw;
1276 u32 ctrl = er32(CTRL);
1277 int link = 0;
1278
1279 /* special requirements for 82571/82572 fiber adapters */
1280
1281 /*
1282 * jump through hoops to make sure link is up because serdes
1283 * link is hardwired up
1284 */
1285 ctrl |= E1000_CTRL_SLU;
1286 ew32(CTRL, ctrl);
1287
1288 /* disable autoneg */
1289 ctrl = er32(TXCW);
1290 ctrl &= ~(1 << 31);
1291 ew32(TXCW, ctrl);
1292
1293 link = (er32(STATUS) & E1000_STATUS_LU);
1294
1295 if (!link) {
1296 /* set invert loss of signal */
1297 ctrl = er32(CTRL);
1298 ctrl |= E1000_CTRL_ILOS;
1299 ew32(CTRL, ctrl);
1300 }
1301
1302 /*
1303 * special write to serdes control register to enable SerDes analog
1304 * loopback
1305 */
1306 #define E1000_SERDES_LB_ON 0x410
1307 ew32(SCTL, E1000_SERDES_LB_ON);
1308 msleep(10);
1309
1310 return 0;
1311 }
1312
1313 /* only call this for fiber/serdes connections to es2lan */
1314 static int e1000_set_es2lan_mac_loopback(struct e1000_adapter *adapter)
1315 {
1316 struct e1000_hw *hw = &adapter->hw;
1317 u32 ctrlext = er32(CTRL_EXT);
1318 u32 ctrl = er32(CTRL);
1319
1320 /*
1321 * save CTRL_EXT to restore later, reuse an empty variable (unused
1322 * on mac_type 80003es2lan)
1323 */
1324 adapter->tx_fifo_head = ctrlext;
1325
1326 /* clear the serdes mode bits, putting the device into mac loopback */
1327 ctrlext &= ~E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES;
1328 ew32(CTRL_EXT, ctrlext);
1329
1330 /* force speed to 1000/FD, link up */
1331 ctrl &= ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100);
1332 ctrl |= (E1000_CTRL_SLU | E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX |
1333 E1000_CTRL_SPD_1000 | E1000_CTRL_FD);
1334 ew32(CTRL, ctrl);
1335
1336 /* set mac loopback */
1337 ctrl = er32(RCTL);
1338 ctrl |= E1000_RCTL_LBM_MAC;
1339 ew32(RCTL, ctrl);
1340
1341 /* set testing mode parameters (no need to reset later) */
1342 #define KMRNCTRLSTA_OPMODE (0x1F << 16)
1343 #define KMRNCTRLSTA_OPMODE_1GB_FD_GMII 0x0582
1344 ew32(KMRNCTRLSTA,
1345 (KMRNCTRLSTA_OPMODE | KMRNCTRLSTA_OPMODE_1GB_FD_GMII));
1346
1347 return 0;
1348 }
1349
1350 static int e1000_setup_loopback_test(struct e1000_adapter *adapter)
1351 {
1352 struct e1000_hw *hw = &adapter->hw;
1353 u32 rctl;
1354
1355 if (hw->phy.media_type == e1000_media_type_fiber ||
1356 hw->phy.media_type == e1000_media_type_internal_serdes) {
1357 switch (hw->mac.type) {
1358 case e1000_80003es2lan:
1359 return e1000_set_es2lan_mac_loopback(adapter);
1360 break;
1361 case e1000_82571:
1362 case e1000_82572:
1363 return e1000_set_82571_fiber_loopback(adapter);
1364 break;
1365 default:
1366 rctl = er32(RCTL);
1367 rctl |= E1000_RCTL_LBM_TCVR;
1368 ew32(RCTL, rctl);
1369 return 0;
1370 }
1371 } else if (hw->phy.media_type == e1000_media_type_copper) {
1372 return e1000_integrated_phy_loopback(adapter);
1373 }
1374
1375 return 7;
1376 }
1377
1378 static void e1000_loopback_cleanup(struct e1000_adapter *adapter)
1379 {
1380 struct e1000_hw *hw = &adapter->hw;
1381 u32 rctl;
1382 u16 phy_reg;
1383
1384 rctl = er32(RCTL);
1385 rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
1386 ew32(RCTL, rctl);
1387
1388 switch (hw->mac.type) {
1389 case e1000_80003es2lan:
1390 if (hw->phy.media_type == e1000_media_type_fiber ||
1391 hw->phy.media_type == e1000_media_type_internal_serdes) {
1392 /* restore CTRL_EXT, stealing space from tx_fifo_head */
1393 ew32(CTRL_EXT, adapter->tx_fifo_head);
1394 adapter->tx_fifo_head = 0;
1395 }
1396 /* fall through */
1397 case e1000_82571:
1398 case e1000_82572:
1399 if (hw->phy.media_type == e1000_media_type_fiber ||
1400 hw->phy.media_type == e1000_media_type_internal_serdes) {
1401 #define E1000_SERDES_LB_OFF 0x400
1402 ew32(SCTL, E1000_SERDES_LB_OFF);
1403 msleep(10);
1404 break;
1405 }
1406 /* Fall Through */
1407 default:
1408 hw->mac.autoneg = 1;
1409 if (hw->phy.type == e1000_phy_gg82563)
1410 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x180);
1411 e1e_rphy(hw, PHY_CONTROL, &phy_reg);
1412 if (phy_reg & MII_CR_LOOPBACK) {
1413 phy_reg &= ~MII_CR_LOOPBACK;
1414 e1e_wphy(hw, PHY_CONTROL, phy_reg);
1415 e1000e_commit_phy(hw);
1416 }
1417 break;
1418 }
1419 }
1420
1421 static void e1000_create_lbtest_frame(struct sk_buff *skb,
1422 unsigned int frame_size)
1423 {
1424 memset(skb->data, 0xFF, frame_size);
1425 frame_size &= ~1;
1426 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1427 memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
1428 memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
1429 }
1430
1431 static int e1000_check_lbtest_frame(struct sk_buff *skb,
1432 unsigned int frame_size)
1433 {
1434 frame_size &= ~1;
1435 if (*(skb->data + 3) == 0xFF)
1436 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
1437 (*(skb->data + frame_size / 2 + 12) == 0xAF))
1438 return 0;
1439 return 13;
1440 }
1441
1442 static int e1000_run_loopback_test(struct e1000_adapter *adapter)
1443 {
1444 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1445 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1446 struct pci_dev *pdev = adapter->pdev;
1447 struct e1000_hw *hw = &adapter->hw;
1448 int i, j, k, l;
1449 int lc;
1450 int good_cnt;
1451 int ret_val = 0;
1452 unsigned long time;
1453
1454 ew32(RDT, rx_ring->count - 1);
1455
1456 /*
1457 * Calculate the loop count based on the largest descriptor ring
1458 * The idea is to wrap the largest ring a number of times using 64
1459 * send/receive pairs during each loop
1460 */
1461
1462 if (rx_ring->count <= tx_ring->count)
1463 lc = ((tx_ring->count / 64) * 2) + 1;
1464 else
1465 lc = ((rx_ring->count / 64) * 2) + 1;
1466
1467 k = 0;
1468 l = 0;
1469 for (j = 0; j <= lc; j++) { /* loop count loop */
1470 for (i = 0; i < 64; i++) { /* send the packets */
1471 e1000_create_lbtest_frame(tx_ring->buffer_info[k].skb,
1472 1024);
1473 pci_dma_sync_single_for_device(pdev,
1474 tx_ring->buffer_info[k].dma,
1475 tx_ring->buffer_info[k].length,
1476 PCI_DMA_TODEVICE);
1477 k++;
1478 if (k == tx_ring->count)
1479 k = 0;
1480 }
1481 ew32(TDT, k);
1482 msleep(200);
1483 time = jiffies; /* set the start time for the receive */
1484 good_cnt = 0;
1485 do { /* receive the sent packets */
1486 pci_dma_sync_single_for_cpu(pdev,
1487 rx_ring->buffer_info[l].dma, 2048,
1488 PCI_DMA_FROMDEVICE);
1489
1490 ret_val = e1000_check_lbtest_frame(
1491 rx_ring->buffer_info[l].skb, 1024);
1492 if (!ret_val)
1493 good_cnt++;
1494 l++;
1495 if (l == rx_ring->count)
1496 l = 0;
1497 /*
1498 * time + 20 msecs (200 msecs on 2.4) is more than
1499 * enough time to complete the receives, if it's
1500 * exceeded, break and error off
1501 */
1502 } while ((good_cnt < 64) && !time_after(jiffies, time + 20));
1503 if (good_cnt != 64) {
1504 ret_val = 13; /* ret_val is the same as mis-compare */
1505 break;
1506 }
1507 if (jiffies >= (time + 20)) {
1508 ret_val = 14; /* error code for time out error */
1509 break;
1510 }
1511 } /* end loop count loop */
1512 return ret_val;
1513 }
1514
1515 static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data)
1516 {
1517 /*
1518 * PHY loopback cannot be performed if SoL/IDER
1519 * sessions are active
1520 */
1521 if (e1000_check_reset_block(&adapter->hw)) {
1522 e_err("Cannot do PHY loopback test when SoL/IDER is active.\n");
1523 *data = 0;
1524 goto out;
1525 }
1526
1527 *data = e1000_setup_desc_rings(adapter);
1528 if (*data)
1529 goto out;
1530
1531 *data = e1000_setup_loopback_test(adapter);
1532 if (*data)
1533 goto err_loopback;
1534
1535 *data = e1000_run_loopback_test(adapter);
1536 e1000_loopback_cleanup(adapter);
1537
1538 err_loopback:
1539 e1000_free_desc_rings(adapter);
1540 out:
1541 return *data;
1542 }
1543
1544 static int e1000_link_test(struct e1000_adapter *adapter, u64 *data)
1545 {
1546 struct e1000_hw *hw = &adapter->hw;
1547
1548 *data = 0;
1549 if (hw->phy.media_type == e1000_media_type_internal_serdes) {
1550 int i = 0;
1551 hw->mac.serdes_has_link = 0;
1552
1553 /*
1554 * On some blade server designs, link establishment
1555 * could take as long as 2-3 minutes
1556 */
1557 do {
1558 hw->mac.ops.check_for_link(hw);
1559 if (hw->mac.serdes_has_link)
1560 return *data;
1561 msleep(20);
1562 } while (i++ < 3750);
1563
1564 *data = 1;
1565 } else {
1566 hw->mac.ops.check_for_link(hw);
1567 if (hw->mac.autoneg)
1568 msleep(4000);
1569
1570 if (!(er32(STATUS) &
1571 E1000_STATUS_LU))
1572 *data = 1;
1573 }
1574 return *data;
1575 }
1576
1577 static int e1000e_get_sset_count(struct net_device *netdev, int sset)
1578 {
1579 switch (sset) {
1580 case ETH_SS_TEST:
1581 return E1000_TEST_LEN;
1582 case ETH_SS_STATS:
1583 return E1000_STATS_LEN;
1584 default:
1585 return -EOPNOTSUPP;
1586 }
1587 }
1588
1589 static void e1000_diag_test(struct net_device *netdev,
1590 struct ethtool_test *eth_test, u64 *data)
1591 {
1592 struct e1000_adapter *adapter = netdev_priv(netdev);
1593 u16 autoneg_advertised;
1594 u8 forced_speed_duplex;
1595 u8 autoneg;
1596 bool if_running = netif_running(netdev);
1597
1598 set_bit(__E1000_TESTING, &adapter->state);
1599 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1600 /* Offline tests */
1601
1602 /* save speed, duplex, autoneg settings */
1603 autoneg_advertised = adapter->hw.phy.autoneg_advertised;
1604 forced_speed_duplex = adapter->hw.mac.forced_speed_duplex;
1605 autoneg = adapter->hw.mac.autoneg;
1606
1607 e_info("offline testing starting\n");
1608
1609 /*
1610 * Link test performed before hardware reset so autoneg doesn't
1611 * interfere with test result
1612 */
1613 if (e1000_link_test(adapter, &data[4]))
1614 eth_test->flags |= ETH_TEST_FL_FAILED;
1615
1616 if (if_running)
1617 /* indicate we're in test mode */
1618 dev_close(netdev);
1619 else
1620 e1000e_reset(adapter);
1621
1622 if (e1000_reg_test(adapter, &data[0]))
1623 eth_test->flags |= ETH_TEST_FL_FAILED;
1624
1625 e1000e_reset(adapter);
1626 if (e1000_eeprom_test(adapter, &data[1]))
1627 eth_test->flags |= ETH_TEST_FL_FAILED;
1628
1629 e1000e_reset(adapter);
1630 if (e1000_intr_test(adapter, &data[2]))
1631 eth_test->flags |= ETH_TEST_FL_FAILED;
1632
1633 e1000e_reset(adapter);
1634 /* make sure the phy is powered up */
1635 e1000e_power_up_phy(adapter);
1636 if (e1000_loopback_test(adapter, &data[3]))
1637 eth_test->flags |= ETH_TEST_FL_FAILED;
1638
1639 /* restore speed, duplex, autoneg settings */
1640 adapter->hw.phy.autoneg_advertised = autoneg_advertised;
1641 adapter->hw.mac.forced_speed_duplex = forced_speed_duplex;
1642 adapter->hw.mac.autoneg = autoneg;
1643
1644 /* force this routine to wait until autoneg complete/timeout */
1645 adapter->hw.phy.autoneg_wait_to_complete = 1;
1646 e1000e_reset(adapter);
1647 adapter->hw.phy.autoneg_wait_to_complete = 0;
1648
1649 clear_bit(__E1000_TESTING, &adapter->state);
1650 if (if_running)
1651 dev_open(netdev);
1652 } else {
1653 e_info("online testing starting\n");
1654 /* Online tests */
1655 if (e1000_link_test(adapter, &data[4]))
1656 eth_test->flags |= ETH_TEST_FL_FAILED;
1657
1658 /* Online tests aren't run; pass by default */
1659 data[0] = 0;
1660 data[1] = 0;
1661 data[2] = 0;
1662 data[3] = 0;
1663
1664 clear_bit(__E1000_TESTING, &adapter->state);
1665 }
1666 msleep_interruptible(4 * 1000);
1667 }
1668
1669 static void e1000_get_wol(struct net_device *netdev,
1670 struct ethtool_wolinfo *wol)
1671 {
1672 struct e1000_adapter *adapter = netdev_priv(netdev);
1673
1674 wol->supported = 0;
1675 wol->wolopts = 0;
1676
1677 if (!(adapter->flags & FLAG_HAS_WOL))
1678 return;
1679
1680 wol->supported = WAKE_UCAST | WAKE_MCAST |
1681 WAKE_BCAST | WAKE_MAGIC |
1682 WAKE_PHY | WAKE_ARP;
1683
1684 /* apply any specific unsupported masks here */
1685 if (adapter->flags & FLAG_NO_WAKE_UCAST) {
1686 wol->supported &= ~WAKE_UCAST;
1687
1688 if (adapter->wol & E1000_WUFC_EX)
1689 e_err("Interface does not support directed (unicast) "
1690 "frame wake-up packets\n");
1691 }
1692
1693 if (adapter->wol & E1000_WUFC_EX)
1694 wol->wolopts |= WAKE_UCAST;
1695 if (adapter->wol & E1000_WUFC_MC)
1696 wol->wolopts |= WAKE_MCAST;
1697 if (adapter->wol & E1000_WUFC_BC)
1698 wol->wolopts |= WAKE_BCAST;
1699 if (adapter->wol & E1000_WUFC_MAG)
1700 wol->wolopts |= WAKE_MAGIC;
1701 if (adapter->wol & E1000_WUFC_LNKC)
1702 wol->wolopts |= WAKE_PHY;
1703 if (adapter->wol & E1000_WUFC_ARP)
1704 wol->wolopts |= WAKE_ARP;
1705 }
1706
1707 static int e1000_set_wol(struct net_device *netdev,
1708 struct ethtool_wolinfo *wol)
1709 {
1710 struct e1000_adapter *adapter = netdev_priv(netdev);
1711
1712 if (wol->wolopts & WAKE_MAGICSECURE)
1713 return -EOPNOTSUPP;
1714
1715 if (!(adapter->flags & FLAG_HAS_WOL))
1716 return wol->wolopts ? -EOPNOTSUPP : 0;
1717
1718 /* these settings will always override what we currently have */
1719 adapter->wol = 0;
1720
1721 if (wol->wolopts & WAKE_UCAST)
1722 adapter->wol |= E1000_WUFC_EX;
1723 if (wol->wolopts & WAKE_MCAST)
1724 adapter->wol |= E1000_WUFC_MC;
1725 if (wol->wolopts & WAKE_BCAST)
1726 adapter->wol |= E1000_WUFC_BC;
1727 if (wol->wolopts & WAKE_MAGIC)
1728 adapter->wol |= E1000_WUFC_MAG;
1729 if (wol->wolopts & WAKE_PHY)
1730 adapter->wol |= E1000_WUFC_LNKC;
1731 if (wol->wolopts & WAKE_ARP)
1732 adapter->wol |= E1000_WUFC_ARP;
1733
1734 return 0;
1735 }
1736
1737 /* toggle LED 4 times per second = 2 "blinks" per second */
1738 #define E1000_ID_INTERVAL (HZ/4)
1739
1740 /* bit defines for adapter->led_status */
1741 #define E1000_LED_ON 0
1742
1743 static void e1000_led_blink_callback(unsigned long data)
1744 {
1745 struct e1000_adapter *adapter = (struct e1000_adapter *) data;
1746
1747 if (test_and_change_bit(E1000_LED_ON, &adapter->led_status))
1748 adapter->hw.mac.ops.led_off(&adapter->hw);
1749 else
1750 adapter->hw.mac.ops.led_on(&adapter->hw);
1751
1752 mod_timer(&adapter->blink_timer, jiffies + E1000_ID_INTERVAL);
1753 }
1754
1755 static int e1000_phys_id(struct net_device *netdev, u32 data)
1756 {
1757 struct e1000_adapter *adapter = netdev_priv(netdev);
1758
1759 if (!data)
1760 data = INT_MAX;
1761
1762 if (adapter->hw.phy.type == e1000_phy_ife) {
1763 if (!adapter->blink_timer.function) {
1764 init_timer(&adapter->blink_timer);
1765 adapter->blink_timer.function =
1766 e1000_led_blink_callback;
1767 adapter->blink_timer.data = (unsigned long) adapter;
1768 }
1769 mod_timer(&adapter->blink_timer, jiffies);
1770 msleep_interruptible(data * 1000);
1771 del_timer_sync(&adapter->blink_timer);
1772 e1e_wphy(&adapter->hw,
1773 IFE_PHY_SPECIAL_CONTROL_LED, 0);
1774 } else {
1775 e1000e_blink_led(&adapter->hw);
1776 msleep_interruptible(data * 1000);
1777 }
1778
1779 adapter->hw.mac.ops.led_off(&adapter->hw);
1780 clear_bit(E1000_LED_ON, &adapter->led_status);
1781 adapter->hw.mac.ops.cleanup_led(&adapter->hw);
1782
1783 return 0;
1784 }
1785
1786 static int e1000_get_coalesce(struct net_device *netdev,
1787 struct ethtool_coalesce *ec)
1788 {
1789 struct e1000_adapter *adapter = netdev_priv(netdev);
1790
1791 if (adapter->itr_setting <= 3)
1792 ec->rx_coalesce_usecs = adapter->itr_setting;
1793 else
1794 ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting;
1795
1796 return 0;
1797 }
1798
1799 static int e1000_set_coalesce(struct net_device *netdev,
1800 struct ethtool_coalesce *ec)
1801 {
1802 struct e1000_adapter *adapter = netdev_priv(netdev);
1803 struct e1000_hw *hw = &adapter->hw;
1804
1805 if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) ||
1806 ((ec->rx_coalesce_usecs > 3) &&
1807 (ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) ||
1808 (ec->rx_coalesce_usecs == 2))
1809 return -EINVAL;
1810
1811 if (ec->rx_coalesce_usecs <= 3) {
1812 adapter->itr = 20000;
1813 adapter->itr_setting = ec->rx_coalesce_usecs;
1814 } else {
1815 adapter->itr = (1000000 / ec->rx_coalesce_usecs);
1816 adapter->itr_setting = adapter->itr & ~3;
1817 }
1818
1819 if (adapter->itr_setting != 0)
1820 ew32(ITR, 1000000000 / (adapter->itr * 256));
1821 else
1822 ew32(ITR, 0);
1823
1824 return 0;
1825 }
1826
1827 static int e1000_nway_reset(struct net_device *netdev)
1828 {
1829 struct e1000_adapter *adapter = netdev_priv(netdev);
1830 if (netif_running(netdev))
1831 e1000e_reinit_locked(adapter);
1832 return 0;
1833 }
1834
1835 static void e1000_get_ethtool_stats(struct net_device *netdev,
1836 struct ethtool_stats *stats,
1837 u64 *data)
1838 {
1839 struct e1000_adapter *adapter = netdev_priv(netdev);
1840 int i;
1841
1842 e1000e_update_stats(adapter);
1843 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1844 char *p = (char *)adapter+e1000_gstrings_stats[i].stat_offset;
1845 data[i] = (e1000_gstrings_stats[i].sizeof_stat ==
1846 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1847 }
1848 }
1849
1850 static void e1000_get_strings(struct net_device *netdev, u32 stringset,
1851 u8 *data)
1852 {
1853 u8 *p = data;
1854 int i;
1855
1856 switch (stringset) {
1857 case ETH_SS_TEST:
1858 memcpy(data, *e1000_gstrings_test, sizeof(e1000_gstrings_test));
1859 break;
1860 case ETH_SS_STATS:
1861 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1862 memcpy(p, e1000_gstrings_stats[i].stat_string,
1863 ETH_GSTRING_LEN);
1864 p += ETH_GSTRING_LEN;
1865 }
1866 break;
1867 }
1868 }
1869
1870 static const struct ethtool_ops e1000_ethtool_ops = {
1871 .get_settings = e1000_get_settings,
1872 .set_settings = e1000_set_settings,
1873 .get_drvinfo = e1000_get_drvinfo,
1874 .get_regs_len = e1000_get_regs_len,
1875 .get_regs = e1000_get_regs,
1876 .get_wol = e1000_get_wol,
1877 .set_wol = e1000_set_wol,
1878 .get_msglevel = e1000_get_msglevel,
1879 .set_msglevel = e1000_set_msglevel,
1880 .nway_reset = e1000_nway_reset,
1881 .get_link = e1000_get_link,
1882 .get_eeprom_len = e1000_get_eeprom_len,
1883 .get_eeprom = e1000_get_eeprom,
1884 .set_eeprom = e1000_set_eeprom,
1885 .get_ringparam = e1000_get_ringparam,
1886 .set_ringparam = e1000_set_ringparam,
1887 .get_pauseparam = e1000_get_pauseparam,
1888 .set_pauseparam = e1000_set_pauseparam,
1889 .get_rx_csum = e1000_get_rx_csum,
1890 .set_rx_csum = e1000_set_rx_csum,
1891 .get_tx_csum = e1000_get_tx_csum,
1892 .set_tx_csum = e1000_set_tx_csum,
1893 .get_sg = ethtool_op_get_sg,
1894 .set_sg = ethtool_op_set_sg,
1895 .get_tso = ethtool_op_get_tso,
1896 .set_tso = e1000_set_tso,
1897 .self_test = e1000_diag_test,
1898 .get_strings = e1000_get_strings,
1899 .phys_id = e1000_phys_id,
1900 .get_ethtool_stats = e1000_get_ethtool_stats,
1901 .get_sset_count = e1000e_get_sset_count,
1902 .get_coalesce = e1000_get_coalesce,
1903 .set_coalesce = e1000_set_coalesce,
1904 };
1905
1906 void e1000e_set_ethtool_ops(struct net_device *netdev)
1907 {
1908 SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops);
1909 }
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree