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drivers/net: Remove pointless checks for NULL prior to calling kfree()
[linux-2.6/cjktty.git] / drivers / net / e1000 / e1000_ethtool.c
blob9c7feaeaa6a46b264473ced37a56e88402864089
1 /*******************************************************************************
2
3
4 Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
5
6 This program is free software; you can redistribute it and/or modify it
7 under the terms of the GNU General Public License as published by the Free
8 Software Foundation; either version 2 of the License, or (at your option)
9 any later version.
10
11 This program is distributed in the hope that it will be useful, but WITHOUT
12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14 more details.
15
16 You should have received a copy of the GNU General Public License along with
17 this program; if not, write to the Free Software Foundation, Inc., 59
18 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19
20 The full GNU General Public License is included in this distribution in the
21 file called LICENSE.
22
23 Contact Information:
24 Linux NICS <linux.nics@intel.com>
25 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
26
27 *******************************************************************************/
28
29 /* ethtool support for e1000 */
30
31 #include "e1000.h"
32
33 #include <asm/uaccess.h>
34
35 extern char e1000_driver_name[];
36 extern char e1000_driver_version[];
37
38 extern int e1000_up(struct e1000_adapter *adapter);
39 extern void e1000_down(struct e1000_adapter *adapter);
40 extern void e1000_reset(struct e1000_adapter *adapter);
41 extern int e1000_set_spd_dplx(struct e1000_adapter *adapter, uint16_t spddplx);
42 extern int e1000_setup_all_rx_resources(struct e1000_adapter *adapter);
43 extern int e1000_setup_all_tx_resources(struct e1000_adapter *adapter);
44 extern void e1000_free_all_rx_resources(struct e1000_adapter *adapter);
45 extern void e1000_free_all_tx_resources(struct e1000_adapter *adapter);
46 extern void e1000_update_stats(struct e1000_adapter *adapter);
47
48 struct e1000_stats {
49 char stat_string[ETH_GSTRING_LEN];
50 int sizeof_stat;
51 int stat_offset;
52 };
53
54 #define E1000_STAT(m) sizeof(((struct e1000_adapter *)0)->m), \
55 offsetof(struct e1000_adapter, m)
56 static const struct e1000_stats e1000_gstrings_stats[] = {
57 { "rx_packets", E1000_STAT(net_stats.rx_packets) },
58 { "tx_packets", E1000_STAT(net_stats.tx_packets) },
59 { "rx_bytes", E1000_STAT(net_stats.rx_bytes) },
60 { "tx_bytes", E1000_STAT(net_stats.tx_bytes) },
61 { "rx_errors", E1000_STAT(net_stats.rx_errors) },
62 { "tx_errors", E1000_STAT(net_stats.tx_errors) },
63 { "rx_dropped", E1000_STAT(net_stats.rx_dropped) },
64 { "tx_dropped", E1000_STAT(net_stats.tx_dropped) },
65 { "multicast", E1000_STAT(net_stats.multicast) },
66 { "collisions", E1000_STAT(net_stats.collisions) },
67 { "rx_length_errors", E1000_STAT(net_stats.rx_length_errors) },
68 { "rx_over_errors", E1000_STAT(net_stats.rx_over_errors) },
69 { "rx_crc_errors", E1000_STAT(net_stats.rx_crc_errors) },
70 { "rx_frame_errors", E1000_STAT(net_stats.rx_frame_errors) },
71 { "rx_fifo_errors", E1000_STAT(net_stats.rx_fifo_errors) },
72 { "rx_no_buffer_count", E1000_STAT(stats.rnbc) },
73 { "rx_missed_errors", E1000_STAT(net_stats.rx_missed_errors) },
74 { "tx_aborted_errors", E1000_STAT(net_stats.tx_aborted_errors) },
75 { "tx_carrier_errors", E1000_STAT(net_stats.tx_carrier_errors) },
76 { "tx_fifo_errors", E1000_STAT(net_stats.tx_fifo_errors) },
77 { "tx_heartbeat_errors", E1000_STAT(net_stats.tx_heartbeat_errors) },
78 { "tx_window_errors", E1000_STAT(net_stats.tx_window_errors) },
79 { "tx_abort_late_coll", E1000_STAT(stats.latecol) },
80 { "tx_deferred_ok", E1000_STAT(stats.dc) },
81 { "tx_single_coll_ok", E1000_STAT(stats.scc) },
82 { "tx_multi_coll_ok", E1000_STAT(stats.mcc) },
83 { "rx_long_length_errors", E1000_STAT(stats.roc) },
84 { "rx_short_length_errors", E1000_STAT(stats.ruc) },
85 { "rx_align_errors", E1000_STAT(stats.algnerrc) },
86 { "tx_tcp_seg_good", E1000_STAT(stats.tsctc) },
87 { "tx_tcp_seg_failed", E1000_STAT(stats.tsctfc) },
88 { "rx_flow_control_xon", E1000_STAT(stats.xonrxc) },
89 { "rx_flow_control_xoff", E1000_STAT(stats.xoffrxc) },
90 { "tx_flow_control_xon", E1000_STAT(stats.xontxc) },
91 { "tx_flow_control_xoff", E1000_STAT(stats.xofftxc) },
92 { "rx_long_byte_count", E1000_STAT(stats.gorcl) },
93 { "rx_csum_offload_good", E1000_STAT(hw_csum_good) },
94 { "rx_csum_offload_errors", E1000_STAT(hw_csum_err) },
95 { "rx_header_split", E1000_STAT(rx_hdr_split) },
96 };
97 #define E1000_STATS_LEN \
98 sizeof(e1000_gstrings_stats) / sizeof(struct e1000_stats)
99 static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = {
100 "Register test (offline)", "Eeprom test (offline)",
101 "Interrupt test (offline)", "Loopback test (offline)",
102 "Link test (on/offline)"
103 };
104 #define E1000_TEST_LEN sizeof(e1000_gstrings_test) / ETH_GSTRING_LEN
105
106 static int
107 e1000_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
108 {
109 struct e1000_adapter *adapter = netdev_priv(netdev);
110 struct e1000_hw *hw = &adapter->hw;
111
112 if(hw->media_type == e1000_media_type_copper) {
113
114 ecmd->supported = (SUPPORTED_10baseT_Half |
115 SUPPORTED_10baseT_Full |
116 SUPPORTED_100baseT_Half |
117 SUPPORTED_100baseT_Full |
118 SUPPORTED_1000baseT_Full|
119 SUPPORTED_Autoneg |
120 SUPPORTED_TP);
121
122 ecmd->advertising = ADVERTISED_TP;
123
124 if(hw->autoneg == 1) {
125 ecmd->advertising |= ADVERTISED_Autoneg;
126
127 /* the e1000 autoneg seems to match ethtool nicely */
128
129 ecmd->advertising |= hw->autoneg_advertised;
130 }
131
132 ecmd->port = PORT_TP;
133 ecmd->phy_address = hw->phy_addr;
134
135 if(hw->mac_type == e1000_82543)
136 ecmd->transceiver = XCVR_EXTERNAL;
137 else
138 ecmd->transceiver = XCVR_INTERNAL;
139
140 } else {
141 ecmd->supported = (SUPPORTED_1000baseT_Full |
142 SUPPORTED_FIBRE |
143 SUPPORTED_Autoneg);
144
145 ecmd->advertising = (ADVERTISED_1000baseT_Full |
146 ADVERTISED_FIBRE |
147 ADVERTISED_Autoneg);
148
149 ecmd->port = PORT_FIBRE;
150
151 if(hw->mac_type >= e1000_82545)
152 ecmd->transceiver = XCVR_INTERNAL;
153 else
154 ecmd->transceiver = XCVR_EXTERNAL;
155 }
156
157 if(netif_carrier_ok(adapter->netdev)) {
158
159 e1000_get_speed_and_duplex(hw, &adapter->link_speed,
160 &adapter->link_duplex);
161 ecmd->speed = adapter->link_speed;
162
163 /* unfortunatly FULL_DUPLEX != DUPLEX_FULL
164 * and HALF_DUPLEX != DUPLEX_HALF */
165
166 if(adapter->link_duplex == FULL_DUPLEX)
167 ecmd->duplex = DUPLEX_FULL;
168 else
169 ecmd->duplex = DUPLEX_HALF;
170 } else {
171 ecmd->speed = -1;
172 ecmd->duplex = -1;
173 }
174
175 ecmd->autoneg = ((hw->media_type == e1000_media_type_fiber) ||
176 hw->autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE;
177 return 0;
178 }
179
180 static int
181 e1000_set_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
182 {
183 struct e1000_adapter *adapter = netdev_priv(netdev);
184 struct e1000_hw *hw = &adapter->hw;
185
186 if(ecmd->autoneg == AUTONEG_ENABLE) {
187 hw->autoneg = 1;
188 if(hw->media_type == e1000_media_type_fiber)
189 hw->autoneg_advertised = ADVERTISED_1000baseT_Full |
190 ADVERTISED_FIBRE |
191 ADVERTISED_Autoneg;
192 else
193 hw->autoneg_advertised = ADVERTISED_10baseT_Half |
194 ADVERTISED_10baseT_Full |
195 ADVERTISED_100baseT_Half |
196 ADVERTISED_100baseT_Full |
197 ADVERTISED_1000baseT_Full|
198 ADVERTISED_Autoneg |
199 ADVERTISED_TP;
200 ecmd->advertising = hw->autoneg_advertised;
201 } else
202 if(e1000_set_spd_dplx(adapter, ecmd->speed + ecmd->duplex))
203 return -EINVAL;
204
205 /* reset the link */
206
207 if(netif_running(adapter->netdev)) {
208 e1000_down(adapter);
209 e1000_reset(adapter);
210 e1000_up(adapter);
211 } else
212 e1000_reset(adapter);
213
214 return 0;
215 }
216
217 static void
218 e1000_get_pauseparam(struct net_device *netdev,
219 struct ethtool_pauseparam *pause)
220 {
221 struct e1000_adapter *adapter = netdev_priv(netdev);
222 struct e1000_hw *hw = &adapter->hw;
223
224 pause->autoneg =
225 (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE);
226
227 if(hw->fc == e1000_fc_rx_pause)
228 pause->rx_pause = 1;
229 else if(hw->fc == e1000_fc_tx_pause)
230 pause->tx_pause = 1;
231 else if(hw->fc == e1000_fc_full) {
232 pause->rx_pause = 1;
233 pause->tx_pause = 1;
234 }
235 }
236
237 static int
238 e1000_set_pauseparam(struct net_device *netdev,
239 struct ethtool_pauseparam *pause)
240 {
241 struct e1000_adapter *adapter = netdev_priv(netdev);
242 struct e1000_hw *hw = &adapter->hw;
243
244 adapter->fc_autoneg = pause->autoneg;
245
246 if(pause->rx_pause && pause->tx_pause)
247 hw->fc = e1000_fc_full;
248 else if(pause->rx_pause && !pause->tx_pause)
249 hw->fc = e1000_fc_rx_pause;
250 else if(!pause->rx_pause && pause->tx_pause)
251 hw->fc = e1000_fc_tx_pause;
252 else if(!pause->rx_pause && !pause->tx_pause)
253 hw->fc = e1000_fc_none;
254
255 hw->original_fc = hw->fc;
256
257 if(adapter->fc_autoneg == AUTONEG_ENABLE) {
258 if(netif_running(adapter->netdev)) {
259 e1000_down(adapter);
260 e1000_up(adapter);
261 } else
262 e1000_reset(adapter);
263 }
264 else
265 return ((hw->media_type == e1000_media_type_fiber) ?
266 e1000_setup_link(hw) : e1000_force_mac_fc(hw));
267
268 return 0;
269 }
270
271 static uint32_t
272 e1000_get_rx_csum(struct net_device *netdev)
273 {
274 struct e1000_adapter *adapter = netdev_priv(netdev);
275 return adapter->rx_csum;
276 }
277
278 static int
279 e1000_set_rx_csum(struct net_device *netdev, uint32_t data)
280 {
281 struct e1000_adapter *adapter = netdev_priv(netdev);
282 adapter->rx_csum = data;
283
284 if(netif_running(netdev)) {
285 e1000_down(adapter);
286 e1000_up(adapter);
287 } else
288 e1000_reset(adapter);
289 return 0;
290 }
291
292 static uint32_t
293 e1000_get_tx_csum(struct net_device *netdev)
294 {
295 return (netdev->features & NETIF_F_HW_CSUM) != 0;
296 }
297
298 static int
299 e1000_set_tx_csum(struct net_device *netdev, uint32_t data)
300 {
301 struct e1000_adapter *adapter = netdev_priv(netdev);
302
303 if(adapter->hw.mac_type < e1000_82543) {
304 if (!data)
305 return -EINVAL;
306 return 0;
307 }
308
309 if (data)
310 netdev->features |= NETIF_F_HW_CSUM;
311 else
312 netdev->features &= ~NETIF_F_HW_CSUM;
313
314 return 0;
315 }
316
317 #ifdef NETIF_F_TSO
318 static int
319 e1000_set_tso(struct net_device *netdev, uint32_t data)
320 {
321 struct e1000_adapter *adapter = netdev_priv(netdev);
322 if((adapter->hw.mac_type < e1000_82544) ||
323 (adapter->hw.mac_type == e1000_82547))
324 return data ? -EINVAL : 0;
325
326 if (data)
327 netdev->features |= NETIF_F_TSO;
328 else
329 netdev->features &= ~NETIF_F_TSO;
330 return 0;
331 }
332 #endif /* NETIF_F_TSO */
333
334 static uint32_t
335 e1000_get_msglevel(struct net_device *netdev)
336 {
337 struct e1000_adapter *adapter = netdev_priv(netdev);
338 return adapter->msg_enable;
339 }
340
341 static void
342 e1000_set_msglevel(struct net_device *netdev, uint32_t data)
343 {
344 struct e1000_adapter *adapter = netdev_priv(netdev);
345 adapter->msg_enable = data;
346 }
347
348 static int
349 e1000_get_regs_len(struct net_device *netdev)
350 {
351 #define E1000_REGS_LEN 32
352 return E1000_REGS_LEN * sizeof(uint32_t);
353 }
354
355 static void
356 e1000_get_regs(struct net_device *netdev,
357 struct ethtool_regs *regs, void *p)
358 {
359 struct e1000_adapter *adapter = netdev_priv(netdev);
360 struct e1000_hw *hw = &adapter->hw;
361 uint32_t *regs_buff = p;
362 uint16_t phy_data;
363
364 memset(p, 0, E1000_REGS_LEN * sizeof(uint32_t));
365
366 regs->version = (1 << 24) | (hw->revision_id << 16) | hw->device_id;
367
368 regs_buff[0] = E1000_READ_REG(hw, CTRL);
369 regs_buff[1] = E1000_READ_REG(hw, STATUS);
370
371 regs_buff[2] = E1000_READ_REG(hw, RCTL);
372 regs_buff[3] = E1000_READ_REG(hw, RDLEN);
373 regs_buff[4] = E1000_READ_REG(hw, RDH);
374 regs_buff[5] = E1000_READ_REG(hw, RDT);
375 regs_buff[6] = E1000_READ_REG(hw, RDTR);
376
377 regs_buff[7] = E1000_READ_REG(hw, TCTL);
378 regs_buff[8] = E1000_READ_REG(hw, TDLEN);
379 regs_buff[9] = E1000_READ_REG(hw, TDH);
380 regs_buff[10] = E1000_READ_REG(hw, TDT);
381 regs_buff[11] = E1000_READ_REG(hw, TIDV);
382
383 regs_buff[12] = adapter->hw.phy_type; /* PHY type (IGP=1, M88=0) */
384 if(hw->phy_type == e1000_phy_igp) {
385 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
386 IGP01E1000_PHY_AGC_A);
387 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_A &
388 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
389 regs_buff[13] = (uint32_t)phy_data; /* cable length */
390 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
391 IGP01E1000_PHY_AGC_B);
392 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_B &
393 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
394 regs_buff[14] = (uint32_t)phy_data; /* cable length */
395 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
396 IGP01E1000_PHY_AGC_C);
397 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_C &
398 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
399 regs_buff[15] = (uint32_t)phy_data; /* cable length */
400 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
401 IGP01E1000_PHY_AGC_D);
402 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_D &
403 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
404 regs_buff[16] = (uint32_t)phy_data; /* cable length */
405 regs_buff[17] = 0; /* extended 10bt distance (not needed) */
406 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0);
407 e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_STATUS &
408 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
409 regs_buff[18] = (uint32_t)phy_data; /* cable polarity */
410 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
411 IGP01E1000_PHY_PCS_INIT_REG);
412 e1000_read_phy_reg(hw, IGP01E1000_PHY_PCS_INIT_REG &
413 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
414 regs_buff[19] = (uint32_t)phy_data; /* cable polarity */
415 regs_buff[20] = 0; /* polarity correction enabled (always) */
416 regs_buff[22] = 0; /* phy receive errors (unavailable) */
417 regs_buff[23] = regs_buff[18]; /* mdix mode */
418 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0);
419 } else {
420 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
421 regs_buff[13] = (uint32_t)phy_data; /* cable length */
422 regs_buff[14] = 0; /* Dummy (to align w/ IGP phy reg dump) */
423 regs_buff[15] = 0; /* Dummy (to align w/ IGP phy reg dump) */
424 regs_buff[16] = 0; /* Dummy (to align w/ IGP phy reg dump) */
425 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
426 regs_buff[17] = (uint32_t)phy_data; /* extended 10bt distance */
427 regs_buff[18] = regs_buff[13]; /* cable polarity */
428 regs_buff[19] = 0; /* Dummy (to align w/ IGP phy reg dump) */
429 regs_buff[20] = regs_buff[17]; /* polarity correction */
430 /* phy receive errors */
431 regs_buff[22] = adapter->phy_stats.receive_errors;
432 regs_buff[23] = regs_buff[13]; /* mdix mode */
433 }
434 regs_buff[21] = adapter->phy_stats.idle_errors; /* phy idle errors */
435 e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_data);
436 regs_buff[24] = (uint32_t)phy_data; /* phy local receiver status */
437 regs_buff[25] = regs_buff[24]; /* phy remote receiver status */
438 if(hw->mac_type >= e1000_82540 &&
439 hw->media_type == e1000_media_type_copper) {
440 regs_buff[26] = E1000_READ_REG(hw, MANC);
441 }
442 }
443
444 static int
445 e1000_get_eeprom_len(struct net_device *netdev)
446 {
447 struct e1000_adapter *adapter = netdev_priv(netdev);
448 return adapter->hw.eeprom.word_size * 2;
449 }
450
451 static int
452 e1000_get_eeprom(struct net_device *netdev,
453 struct ethtool_eeprom *eeprom, uint8_t *bytes)
454 {
455 struct e1000_adapter *adapter = netdev_priv(netdev);
456 struct e1000_hw *hw = &adapter->hw;
457 uint16_t *eeprom_buff;
458 int first_word, last_word;
459 int ret_val = 0;
460 uint16_t i;
461
462 if(eeprom->len == 0)
463 return -EINVAL;
464
465 eeprom->magic = hw->vendor_id | (hw->device_id << 16);
466
467 first_word = eeprom->offset >> 1;
468 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
469
470 eeprom_buff = kmalloc(sizeof(uint16_t) *
471 (last_word - first_word + 1), GFP_KERNEL);
472 if(!eeprom_buff)
473 return -ENOMEM;
474
475 if(hw->eeprom.type == e1000_eeprom_spi)
476 ret_val = e1000_read_eeprom(hw, first_word,
477 last_word - first_word + 1,
478 eeprom_buff);
479 else {
480 for (i = 0; i < last_word - first_word + 1; i++)
481 if((ret_val = e1000_read_eeprom(hw, first_word + i, 1,
482 &eeprom_buff[i])))
483 break;
484 }
485
486 /* Device's eeprom is always little-endian, word addressable */
487 for (i = 0; i < last_word - first_word + 1; i++)
488 le16_to_cpus(&eeprom_buff[i]);
489
490 memcpy(bytes, (uint8_t *)eeprom_buff + (eeprom->offset & 1),
491 eeprom->len);
492 kfree(eeprom_buff);
493
494 return ret_val;
495 }
496
497 static int
498 e1000_set_eeprom(struct net_device *netdev,
499 struct ethtool_eeprom *eeprom, uint8_t *bytes)
500 {
501 struct e1000_adapter *adapter = netdev_priv(netdev);
502 struct e1000_hw *hw = &adapter->hw;
503 uint16_t *eeprom_buff;
504 void *ptr;
505 int max_len, first_word, last_word, ret_val = 0;
506 uint16_t i;
507
508 if(eeprom->len == 0)
509 return -EOPNOTSUPP;
510
511 if(eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
512 return -EFAULT;
513
514 max_len = hw->eeprom.word_size * 2;
515
516 first_word = eeprom->offset >> 1;
517 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
518 eeprom_buff = kmalloc(max_len, GFP_KERNEL);
519 if(!eeprom_buff)
520 return -ENOMEM;
521
522 ptr = (void *)eeprom_buff;
523
524 if(eeprom->offset & 1) {
525 /* need read/modify/write of first changed EEPROM word */
526 /* only the second byte of the word is being modified */
527 ret_val = e1000_read_eeprom(hw, first_word, 1,
528 &eeprom_buff[0]);
529 ptr++;
530 }
531 if(((eeprom->offset + eeprom->len) & 1) && (ret_val == 0)) {
532 /* need read/modify/write of last changed EEPROM word */
533 /* only the first byte of the word is being modified */
534 ret_val = e1000_read_eeprom(hw, last_word, 1,
535 &eeprom_buff[last_word - first_word]);
536 }
537
538 /* Device's eeprom is always little-endian, word addressable */
539 for (i = 0; i < last_word - first_word + 1; i++)
540 le16_to_cpus(&eeprom_buff[i]);
541
542 memcpy(ptr, bytes, eeprom->len);
543
544 for (i = 0; i < last_word - first_word + 1; i++)
545 eeprom_buff[i] = cpu_to_le16(eeprom_buff[i]);
546
547 ret_val = e1000_write_eeprom(hw, first_word,
548 last_word - first_word + 1, eeprom_buff);
549
550 /* Update the checksum over the first part of the EEPROM if needed
551 * and flush shadow RAM for 82573 conrollers */
552 if((ret_val == 0) && ((first_word <= EEPROM_CHECKSUM_REG) ||
553 (hw->mac_type == e1000_82573)))
554 e1000_update_eeprom_checksum(hw);
555
556 kfree(eeprom_buff);
557 return ret_val;
558 }
559
560 static void
561 e1000_get_drvinfo(struct net_device *netdev,
562 struct ethtool_drvinfo *drvinfo)
563 {
564 struct e1000_adapter *adapter = netdev_priv(netdev);
565
566 strncpy(drvinfo->driver, e1000_driver_name, 32);
567 strncpy(drvinfo->version, e1000_driver_version, 32);
568 strncpy(drvinfo->fw_version, "N/A", 32);
569 strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
570 drvinfo->n_stats = E1000_STATS_LEN;
571 drvinfo->testinfo_len = E1000_TEST_LEN;
572 drvinfo->regdump_len = e1000_get_regs_len(netdev);
573 drvinfo->eedump_len = e1000_get_eeprom_len(netdev);
574 }
575
576 static void
577 e1000_get_ringparam(struct net_device *netdev,
578 struct ethtool_ringparam *ring)
579 {
580 struct e1000_adapter *adapter = netdev_priv(netdev);
581 e1000_mac_type mac_type = adapter->hw.mac_type;
582 struct e1000_tx_ring *txdr = adapter->tx_ring;
583 struct e1000_rx_ring *rxdr = adapter->rx_ring;
584
585 ring->rx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_RXD :
586 E1000_MAX_82544_RXD;
587 ring->tx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_TXD :
588 E1000_MAX_82544_TXD;
589 ring->rx_mini_max_pending = 0;
590 ring->rx_jumbo_max_pending = 0;
591 ring->rx_pending = rxdr->count;
592 ring->tx_pending = txdr->count;
593 ring->rx_mini_pending = 0;
594 ring->rx_jumbo_pending = 0;
595 }
596
597 static int
598 e1000_set_ringparam(struct net_device *netdev,
599 struct ethtool_ringparam *ring)
600 {
601 struct e1000_adapter *adapter = netdev_priv(netdev);
602 e1000_mac_type mac_type = adapter->hw.mac_type;
603 struct e1000_tx_ring *txdr, *tx_old, *tx_new;
604 struct e1000_rx_ring *rxdr, *rx_old, *rx_new;
605 int i, err, tx_ring_size, rx_ring_size;
606
607 tx_ring_size = sizeof(struct e1000_tx_ring) * adapter->num_queues;
608 rx_ring_size = sizeof(struct e1000_rx_ring) * adapter->num_queues;
609
610 if (netif_running(adapter->netdev))
611 e1000_down(adapter);
612
613 tx_old = adapter->tx_ring;
614 rx_old = adapter->rx_ring;
615
616 adapter->tx_ring = kmalloc(tx_ring_size, GFP_KERNEL);
617 if (!adapter->tx_ring) {
618 err = -ENOMEM;
619 goto err_setup_rx;
620 }
621 memset(adapter->tx_ring, 0, tx_ring_size);
622
623 adapter->rx_ring = kmalloc(rx_ring_size, GFP_KERNEL);
624 if (!adapter->rx_ring) {
625 kfree(adapter->tx_ring);
626 err = -ENOMEM;
627 goto err_setup_rx;
628 }
629 memset(adapter->rx_ring, 0, rx_ring_size);
630
631 txdr = adapter->tx_ring;
632 rxdr = adapter->rx_ring;
633
634 if((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
635 return -EINVAL;
636
637 rxdr->count = max(ring->rx_pending,(uint32_t)E1000_MIN_RXD);
638 rxdr->count = min(rxdr->count,(uint32_t)(mac_type < e1000_82544 ?
639 E1000_MAX_RXD : E1000_MAX_82544_RXD));
640 E1000_ROUNDUP(rxdr->count, REQ_RX_DESCRIPTOR_MULTIPLE);
641
642 txdr->count = max(ring->tx_pending,(uint32_t)E1000_MIN_TXD);
643 txdr->count = min(txdr->count,(uint32_t)(mac_type < e1000_82544 ?
644 E1000_MAX_TXD : E1000_MAX_82544_TXD));
645 E1000_ROUNDUP(txdr->count, REQ_TX_DESCRIPTOR_MULTIPLE);
646
647 for (i = 0; i < adapter->num_queues; i++) {
648 txdr[i].count = txdr->count;
649 rxdr[i].count = rxdr->count;
650 }
651
652 if(netif_running(adapter->netdev)) {
653 /* Try to get new resources before deleting old */
654 if ((err = e1000_setup_all_rx_resources(adapter)))
655 goto err_setup_rx;
656 if ((err = e1000_setup_all_tx_resources(adapter)))
657 goto err_setup_tx;
658
659 /* save the new, restore the old in order to free it,
660 * then restore the new back again */
661
662 rx_new = adapter->rx_ring;
663 tx_new = adapter->tx_ring;
664 adapter->rx_ring = rx_old;
665 adapter->tx_ring = tx_old;
666 e1000_free_all_rx_resources(adapter);
667 e1000_free_all_tx_resources(adapter);
668 kfree(tx_old);
669 kfree(rx_old);
670 adapter->rx_ring = rx_new;
671 adapter->tx_ring = tx_new;
672 if((err = e1000_up(adapter)))
673 return err;
674 }
675
676 return 0;
677 err_setup_tx:
678 e1000_free_all_rx_resources(adapter);
679 err_setup_rx:
680 adapter->rx_ring = rx_old;
681 adapter->tx_ring = tx_old;
682 e1000_up(adapter);
683 return err;
684 }
685
686 #define REG_PATTERN_TEST(R, M, W) \
687 { \
688 uint32_t pat, value; \
689 uint32_t test[] = \
690 {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF}; \
691 for(pat = 0; pat < sizeof(test)/sizeof(test[0]); pat++) { \
692 E1000_WRITE_REG(&adapter->hw, R, (test[pat] & W)); \
693 value = E1000_READ_REG(&adapter->hw, R); \
694 if(value != (test[pat] & W & M)) { \
695 DPRINTK(DRV, ERR, "pattern test reg %04X failed: got " \
696 "0x%08X expected 0x%08X\n", \
697 E1000_##R, value, (test[pat] & W & M)); \
698 *data = (adapter->hw.mac_type < e1000_82543) ? \
699 E1000_82542_##R : E1000_##R; \
700 return 1; \
701 } \
702 } \
703 }
704
705 #define REG_SET_AND_CHECK(R, M, W) \
706 { \
707 uint32_t value; \
708 E1000_WRITE_REG(&adapter->hw, R, W & M); \
709 value = E1000_READ_REG(&adapter->hw, R); \
710 if((W & M) != (value & M)) { \
711 DPRINTK(DRV, ERR, "set/check reg %04X test failed: got 0x%08X "\
712 "expected 0x%08X\n", E1000_##R, (value & M), (W & M)); \
713 *data = (adapter->hw.mac_type < e1000_82543) ? \
714 E1000_82542_##R : E1000_##R; \
715 return 1; \
716 } \
717 }
718
719 static int
720 e1000_reg_test(struct e1000_adapter *adapter, uint64_t *data)
721 {
722 uint32_t value, before, after;
723 uint32_t i, toggle;
724
725 /* The status register is Read Only, so a write should fail.
726 * Some bits that get toggled are ignored.
727 */
728 switch (adapter->hw.mac_type) {
729 /* there are several bits on newer hardware that are r/w */
730 case e1000_82571:
731 case e1000_82572:
732 toggle = 0x7FFFF3FF;
733 break;
734 case e1000_82573:
735 toggle = 0x7FFFF033;
736 break;
737 default:
738 toggle = 0xFFFFF833;
739 break;
740 }
741
742 before = E1000_READ_REG(&adapter->hw, STATUS);
743 value = (E1000_READ_REG(&adapter->hw, STATUS) & toggle);
744 E1000_WRITE_REG(&adapter->hw, STATUS, toggle);
745 after = E1000_READ_REG(&adapter->hw, STATUS) & toggle;
746 if(value != after) {
747 DPRINTK(DRV, ERR, "failed STATUS register test got: "
748 "0x%08X expected: 0x%08X\n", after, value);
749 *data = 1;
750 return 1;
751 }
752 /* restore previous status */
753 E1000_WRITE_REG(&adapter->hw, STATUS, before);
754
755 REG_PATTERN_TEST(FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
756 REG_PATTERN_TEST(FCAH, 0x0000FFFF, 0xFFFFFFFF);
757 REG_PATTERN_TEST(FCT, 0x0000FFFF, 0xFFFFFFFF);
758 REG_PATTERN_TEST(VET, 0x0000FFFF, 0xFFFFFFFF);
759 REG_PATTERN_TEST(RDTR, 0x0000FFFF, 0xFFFFFFFF);
760 REG_PATTERN_TEST(RDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
761 REG_PATTERN_TEST(RDLEN, 0x000FFF80, 0x000FFFFF);
762 REG_PATTERN_TEST(RDH, 0x0000FFFF, 0x0000FFFF);
763 REG_PATTERN_TEST(RDT, 0x0000FFFF, 0x0000FFFF);
764 REG_PATTERN_TEST(FCRTH, 0x0000FFF8, 0x0000FFF8);
765 REG_PATTERN_TEST(FCTTV, 0x0000FFFF, 0x0000FFFF);
766 REG_PATTERN_TEST(TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
767 REG_PATTERN_TEST(TDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
768 REG_PATTERN_TEST(TDLEN, 0x000FFF80, 0x000FFFFF);
769
770 REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x00000000);
771 REG_SET_AND_CHECK(RCTL, 0x06DFB3FE, 0x003FFFFB);
772 REG_SET_AND_CHECK(TCTL, 0xFFFFFFFF, 0x00000000);
773
774 if(adapter->hw.mac_type >= e1000_82543) {
775
776 REG_SET_AND_CHECK(RCTL, 0x06DFB3FE, 0xFFFFFFFF);
777 REG_PATTERN_TEST(RDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
778 REG_PATTERN_TEST(TXCW, 0xC000FFFF, 0x0000FFFF);
779 REG_PATTERN_TEST(TDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
780 REG_PATTERN_TEST(TIDV, 0x0000FFFF, 0x0000FFFF);
781
782 for(i = 0; i < E1000_RAR_ENTRIES; i++) {
783 REG_PATTERN_TEST(RA + ((i << 1) << 2), 0xFFFFFFFF,
784 0xFFFFFFFF);
785 REG_PATTERN_TEST(RA + (((i << 1) + 1) << 2), 0x8003FFFF,
786 0xFFFFFFFF);
787 }
788
789 } else {
790
791 REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x01FFFFFF);
792 REG_PATTERN_TEST(RDBAL, 0xFFFFF000, 0xFFFFFFFF);
793 REG_PATTERN_TEST(TXCW, 0x0000FFFF, 0x0000FFFF);
794 REG_PATTERN_TEST(TDBAL, 0xFFFFF000, 0xFFFFFFFF);
795
796 }
797
798 for(i = 0; i < E1000_MC_TBL_SIZE; i++)
799 REG_PATTERN_TEST(MTA + (i << 2), 0xFFFFFFFF, 0xFFFFFFFF);
800
801 *data = 0;
802 return 0;
803 }
804
805 static int
806 e1000_eeprom_test(struct e1000_adapter *adapter, uint64_t *data)
807 {
808 uint16_t temp;
809 uint16_t checksum = 0;
810 uint16_t i;
811
812 *data = 0;
813 /* Read and add up the contents of the EEPROM */
814 for(i = 0; i < (EEPROM_CHECKSUM_REG + 1); i++) {
815 if((e1000_read_eeprom(&adapter->hw, i, 1, &temp)) < 0) {
816 *data = 1;
817 break;
818 }
819 checksum += temp;
820 }
821
822 /* If Checksum is not Correct return error else test passed */
823 if((checksum != (uint16_t) EEPROM_SUM) && !(*data))
824 *data = 2;
825
826 return *data;
827 }
828
829 static irqreturn_t
830 e1000_test_intr(int irq,
831 void *data,
832 struct pt_regs *regs)
833 {
834 struct net_device *netdev = (struct net_device *) data;
835 struct e1000_adapter *adapter = netdev_priv(netdev);
836
837 adapter->test_icr |= E1000_READ_REG(&adapter->hw, ICR);
838
839 return IRQ_HANDLED;
840 }
841
842 static int
843 e1000_intr_test(struct e1000_adapter *adapter, uint64_t *data)
844 {
845 struct net_device *netdev = adapter->netdev;
846 uint32_t mask, i=0, shared_int = TRUE;
847 uint32_t irq = adapter->pdev->irq;
848
849 *data = 0;
850
851 /* Hook up test interrupt handler just for this test */
852 if(!request_irq(irq, &e1000_test_intr, 0, netdev->name, netdev)) {
853 shared_int = FALSE;
854 } else if(request_irq(irq, &e1000_test_intr, SA_SHIRQ,
855 netdev->name, netdev)){
856 *data = 1;
857 return -1;
858 }
859
860 /* Disable all the interrupts */
861 E1000_WRITE_REG(&adapter->hw, IMC, 0xFFFFFFFF);
862 msec_delay(10);
863
864 /* Test each interrupt */
865 for(; i < 10; i++) {
866
867 /* Interrupt to test */
868 mask = 1 << i;
869
870 if(!shared_int) {
871 /* Disable the interrupt to be reported in
872 * the cause register and then force the same
873 * interrupt and see if one gets posted. If
874 * an interrupt was posted to the bus, the
875 * test failed.
876 */
877 adapter->test_icr = 0;
878 E1000_WRITE_REG(&adapter->hw, IMC, mask);
879 E1000_WRITE_REG(&adapter->hw, ICS, mask);
880 msec_delay(10);
881
882 if(adapter->test_icr & mask) {
883 *data = 3;
884 break;
885 }
886 }
887
888 /* Enable the interrupt to be reported in
889 * the cause register and then force the same
890 * interrupt and see if one gets posted. If
891 * an interrupt was not posted to the bus, the
892 * test failed.
893 */
894 adapter->test_icr = 0;
895 E1000_WRITE_REG(&adapter->hw, IMS, mask);
896 E1000_WRITE_REG(&adapter->hw, ICS, mask);
897 msec_delay(10);
898
899 if(!(adapter->test_icr & mask)) {
900 *data = 4;
901 break;
902 }
903
904 if(!shared_int) {
905 /* Disable the other interrupts to be reported in
906 * the cause register and then force the other
907 * interrupts and see if any get posted. If
908 * an interrupt was posted to the bus, the
909 * test failed.
910 */
911 adapter->test_icr = 0;
912 E1000_WRITE_REG(&adapter->hw, IMC, ~mask & 0x00007FFF);
913 E1000_WRITE_REG(&adapter->hw, ICS, ~mask & 0x00007FFF);
914 msec_delay(10);
915
916 if(adapter->test_icr) {
917 *data = 5;
918 break;
919 }
920 }
921 }
922
923 /* Disable all the interrupts */
924 E1000_WRITE_REG(&adapter->hw, IMC, 0xFFFFFFFF);
925 msec_delay(10);
926
927 /* Unhook test interrupt handler */
928 free_irq(irq, netdev);
929
930 return *data;
931 }
932
933 static void
934 e1000_free_desc_rings(struct e1000_adapter *adapter)
935 {
936 struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
937 struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
938 struct pci_dev *pdev = adapter->pdev;
939 int i;
940
941 if(txdr->desc && txdr->buffer_info) {
942 for(i = 0; i < txdr->count; i++) {
943 if(txdr->buffer_info[i].dma)
944 pci_unmap_single(pdev, txdr->buffer_info[i].dma,
945 txdr->buffer_info[i].length,
946 PCI_DMA_TODEVICE);
947 if(txdr->buffer_info[i].skb)
948 dev_kfree_skb(txdr->buffer_info[i].skb);
949 }
950 }
951
952 if(rxdr->desc && rxdr->buffer_info) {
953 for(i = 0; i < rxdr->count; i++) {
954 if(rxdr->buffer_info[i].dma)
955 pci_unmap_single(pdev, rxdr->buffer_info[i].dma,
956 rxdr->buffer_info[i].length,
957 PCI_DMA_FROMDEVICE);
958 if(rxdr->buffer_info[i].skb)
959 dev_kfree_skb(rxdr->buffer_info[i].skb);
960 }
961 }
962
963 if(txdr->desc)
964 pci_free_consistent(pdev, txdr->size, txdr->desc, txdr->dma);
965 if(rxdr->desc)
966 pci_free_consistent(pdev, rxdr->size, rxdr->desc, rxdr->dma);
967
968 kfree(txdr->buffer_info);
969 kfree(rxdr->buffer_info);
970 return;
971 }
972
973 static int
974 e1000_setup_desc_rings(struct e1000_adapter *adapter)
975 {
976 struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
977 struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
978 struct pci_dev *pdev = adapter->pdev;
979 uint32_t rctl;
980 int size, i, ret_val;
981
982 /* Setup Tx descriptor ring and Tx buffers */
983
984 if(!txdr->count)
985 txdr->count = E1000_DEFAULT_TXD;
986
987 size = txdr->count * sizeof(struct e1000_buffer);
988 if(!(txdr->buffer_info = kmalloc(size, GFP_KERNEL))) {
989 ret_val = 1;
990 goto err_nomem;
991 }
992 memset(txdr->buffer_info, 0, size);
993
994 txdr->size = txdr->count * sizeof(struct e1000_tx_desc);
995 E1000_ROUNDUP(txdr->size, 4096);
996 if(!(txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma))) {
997 ret_val = 2;
998 goto err_nomem;
999 }
1000 memset(txdr->desc, 0, txdr->size);
1001 txdr->next_to_use = txdr->next_to_clean = 0;
1002
1003 E1000_WRITE_REG(&adapter->hw, TDBAL,
1004 ((uint64_t) txdr->dma & 0x00000000FFFFFFFF));
1005 E1000_WRITE_REG(&adapter->hw, TDBAH, ((uint64_t) txdr->dma >> 32));
1006 E1000_WRITE_REG(&adapter->hw, TDLEN,
1007 txdr->count * sizeof(struct e1000_tx_desc));
1008 E1000_WRITE_REG(&adapter->hw, TDH, 0);
1009 E1000_WRITE_REG(&adapter->hw, TDT, 0);
1010 E1000_WRITE_REG(&adapter->hw, TCTL,
1011 E1000_TCTL_PSP | E1000_TCTL_EN |
1012 E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
1013 E1000_FDX_COLLISION_DISTANCE << E1000_COLD_SHIFT);
1014
1015 for(i = 0; i < txdr->count; i++) {
1016 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*txdr, i);
1017 struct sk_buff *skb;
1018 unsigned int size = 1024;
1019
1020 if(!(skb = alloc_skb(size, GFP_KERNEL))) {
1021 ret_val = 3;
1022 goto err_nomem;
1023 }
1024 skb_put(skb, size);
1025 txdr->buffer_info[i].skb = skb;
1026 txdr->buffer_info[i].length = skb->len;
1027 txdr->buffer_info[i].dma =
1028 pci_map_single(pdev, skb->data, skb->len,
1029 PCI_DMA_TODEVICE);
1030 tx_desc->buffer_addr = cpu_to_le64(txdr->buffer_info[i].dma);
1031 tx_desc->lower.data = cpu_to_le32(skb->len);
1032 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
1033 E1000_TXD_CMD_IFCS |
1034 E1000_TXD_CMD_RPS);
1035 tx_desc->upper.data = 0;
1036 }
1037
1038 /* Setup Rx descriptor ring and Rx buffers */
1039
1040 if(!rxdr->count)
1041 rxdr->count = E1000_DEFAULT_RXD;
1042
1043 size = rxdr->count * sizeof(struct e1000_buffer);
1044 if(!(rxdr->buffer_info = kmalloc(size, GFP_KERNEL))) {
1045 ret_val = 4;
1046 goto err_nomem;
1047 }
1048 memset(rxdr->buffer_info, 0, size);
1049
1050 rxdr->size = rxdr->count * sizeof(struct e1000_rx_desc);
1051 if(!(rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma))) {
1052 ret_val = 5;
1053 goto err_nomem;
1054 }
1055 memset(rxdr->desc, 0, rxdr->size);
1056 rxdr->next_to_use = rxdr->next_to_clean = 0;
1057
1058 rctl = E1000_READ_REG(&adapter->hw, RCTL);
1059 E1000_WRITE_REG(&adapter->hw, RCTL, rctl & ~E1000_RCTL_EN);
1060 E1000_WRITE_REG(&adapter->hw, RDBAL,
1061 ((uint64_t) rxdr->dma & 0xFFFFFFFF));
1062 E1000_WRITE_REG(&adapter->hw, RDBAH, ((uint64_t) rxdr->dma >> 32));
1063 E1000_WRITE_REG(&adapter->hw, RDLEN, rxdr->size);
1064 E1000_WRITE_REG(&adapter->hw, RDH, 0);
1065 E1000_WRITE_REG(&adapter->hw, RDT, 0);
1066 rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
1067 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
1068 (adapter->hw.mc_filter_type << E1000_RCTL_MO_SHIFT);
1069 E1000_WRITE_REG(&adapter->hw, RCTL, rctl);
1070
1071 for(i = 0; i < rxdr->count; i++) {
1072 struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rxdr, i);
1073 struct sk_buff *skb;
1074
1075 if(!(skb = alloc_skb(E1000_RXBUFFER_2048 + NET_IP_ALIGN,
1076 GFP_KERNEL))) {
1077 ret_val = 6;
1078 goto err_nomem;
1079 }
1080 skb_reserve(skb, NET_IP_ALIGN);
1081 rxdr->buffer_info[i].skb = skb;
1082 rxdr->buffer_info[i].length = E1000_RXBUFFER_2048;
1083 rxdr->buffer_info[i].dma =
1084 pci_map_single(pdev, skb->data, E1000_RXBUFFER_2048,
1085 PCI_DMA_FROMDEVICE);
1086 rx_desc->buffer_addr = cpu_to_le64(rxdr->buffer_info[i].dma);
1087 memset(skb->data, 0x00, skb->len);
1088 }
1089
1090 return 0;
1091
1092 err_nomem:
1093 e1000_free_desc_rings(adapter);
1094 return ret_val;
1095 }
1096
1097 static void
1098 e1000_phy_disable_receiver(struct e1000_adapter *adapter)
1099 {
1100 /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1101 e1000_write_phy_reg(&adapter->hw, 29, 0x001F);
1102 e1000_write_phy_reg(&adapter->hw, 30, 0x8FFC);
1103 e1000_write_phy_reg(&adapter->hw, 29, 0x001A);
1104 e1000_write_phy_reg(&adapter->hw, 30, 0x8FF0);
1105 }
1106
1107 static void
1108 e1000_phy_reset_clk_and_crs(struct e1000_adapter *adapter)
1109 {
1110 uint16_t phy_reg;
1111
1112 /* Because we reset the PHY above, we need to re-force TX_CLK in the
1113 * Extended PHY Specific Control Register to 25MHz clock. This
1114 * value defaults back to a 2.5MHz clock when the PHY is reset.
1115 */
1116 e1000_read_phy_reg(&adapter->hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
1117 phy_reg |= M88E1000_EPSCR_TX_CLK_25;
1118 e1000_write_phy_reg(&adapter->hw,
1119 M88E1000_EXT_PHY_SPEC_CTRL, phy_reg);
1120
1121 /* In addition, because of the s/w reset above, we need to enable
1122 * CRS on TX. This must be set for both full and half duplex
1123 * operation.
1124 */
1125 e1000_read_phy_reg(&adapter->hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);
1126 phy_reg |= M88E1000_PSCR_ASSERT_CRS_ON_TX;
1127 e1000_write_phy_reg(&adapter->hw,
1128 M88E1000_PHY_SPEC_CTRL, phy_reg);
1129 }
1130
1131 static int
1132 e1000_nonintegrated_phy_loopback(struct e1000_adapter *adapter)
1133 {
1134 uint32_t ctrl_reg;
1135 uint16_t phy_reg;
1136
1137 /* Setup the Device Control Register for PHY loopback test. */
1138
1139 ctrl_reg = E1000_READ_REG(&adapter->hw, CTRL);
1140 ctrl_reg |= (E1000_CTRL_ILOS | /* Invert Loss-Of-Signal */
1141 E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1142 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1143 E1000_CTRL_SPD_1000 | /* Force Speed to 1000 */
1144 E1000_CTRL_FD); /* Force Duplex to FULL */
1145
1146 E1000_WRITE_REG(&adapter->hw, CTRL, ctrl_reg);
1147
1148 /* Read the PHY Specific Control Register (0x10) */
1149 e1000_read_phy_reg(&adapter->hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);
1150
1151 /* Clear Auto-Crossover bits in PHY Specific Control Register
1152 * (bits 6:5).
1153 */
1154 phy_reg &= ~M88E1000_PSCR_AUTO_X_MODE;
1155 e1000_write_phy_reg(&adapter->hw, M88E1000_PHY_SPEC_CTRL, phy_reg);
1156
1157 /* Perform software reset on the PHY */
1158 e1000_phy_reset(&adapter->hw);
1159
1160 /* Have to setup TX_CLK and TX_CRS after software reset */
1161 e1000_phy_reset_clk_and_crs(adapter);
1162
1163 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x8100);
1164
1165 /* Wait for reset to complete. */
1166 udelay(500);
1167
1168 /* Have to setup TX_CLK and TX_CRS after software reset */
1169 e1000_phy_reset_clk_and_crs(adapter);
1170
1171 /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1172 e1000_phy_disable_receiver(adapter);
1173
1174 /* Set the loopback bit in the PHY control register. */
1175 e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg);
1176 phy_reg |= MII_CR_LOOPBACK;
1177 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, phy_reg);
1178
1179 /* Setup TX_CLK and TX_CRS one more time. */
1180 e1000_phy_reset_clk_and_crs(adapter);
1181
1182 /* Check Phy Configuration */
1183 e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg);
1184 if(phy_reg != 0x4100)
1185 return 9;
1186
1187 e1000_read_phy_reg(&adapter->hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
1188 if(phy_reg != 0x0070)
1189 return 10;
1190
1191 e1000_read_phy_reg(&adapter->hw, 29, &phy_reg);
1192 if(phy_reg != 0x001A)
1193 return 11;
1194
1195 return 0;
1196 }
1197
1198 static int
1199 e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
1200 {
1201 uint32_t ctrl_reg = 0;
1202 uint32_t stat_reg = 0;
1203
1204 adapter->hw.autoneg = FALSE;
1205
1206 if(adapter->hw.phy_type == e1000_phy_m88) {
1207 /* Auto-MDI/MDIX Off */
1208 e1000_write_phy_reg(&adapter->hw,
1209 M88E1000_PHY_SPEC_CTRL, 0x0808);
1210 /* reset to update Auto-MDI/MDIX */
1211 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x9140);
1212 /* autoneg off */
1213 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x8140);
1214 }
1215 /* force 1000, set loopback */
1216 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x4140);
1217
1218 /* Now set up the MAC to the same speed/duplex as the PHY. */
1219 ctrl_reg = E1000_READ_REG(&adapter->hw, CTRL);
1220 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1221 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1222 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1223 E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
1224 E1000_CTRL_FD); /* Force Duplex to FULL */
1225
1226 if(adapter->hw.media_type == e1000_media_type_copper &&
1227 adapter->hw.phy_type == e1000_phy_m88) {
1228 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
1229 } else {
1230 /* Set the ILOS bit on the fiber Nic is half
1231 * duplex link is detected. */
1232 stat_reg = E1000_READ_REG(&adapter->hw, STATUS);
1233 if((stat_reg & E1000_STATUS_FD) == 0)
1234 ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
1235 }
1236
1237 E1000_WRITE_REG(&adapter->hw, CTRL, ctrl_reg);
1238
1239 /* Disable the receiver on the PHY so when a cable is plugged in, the
1240 * PHY does not begin to autoneg when a cable is reconnected to the NIC.
1241 */
1242 if(adapter->hw.phy_type == e1000_phy_m88)
1243 e1000_phy_disable_receiver(adapter);
1244
1245 udelay(500);
1246
1247 return 0;
1248 }
1249
1250 static int
1251 e1000_set_phy_loopback(struct e1000_adapter *adapter)
1252 {
1253 uint16_t phy_reg = 0;
1254 uint16_t count = 0;
1255
1256 switch (adapter->hw.mac_type) {
1257 case e1000_82543:
1258 if(adapter->hw.media_type == e1000_media_type_copper) {
1259 /* Attempt to setup Loopback mode on Non-integrated PHY.
1260 * Some PHY registers get corrupted at random, so
1261 * attempt this 10 times.
1262 */
1263 while(e1000_nonintegrated_phy_loopback(adapter) &&
1264 count++ < 10);
1265 if(count < 11)
1266 return 0;
1267 }
1268 break;
1269
1270 case e1000_82544:
1271 case e1000_82540:
1272 case e1000_82545:
1273 case e1000_82545_rev_3:
1274 case e1000_82546:
1275 case e1000_82546_rev_3:
1276 case e1000_82541:
1277 case e1000_82541_rev_2:
1278 case e1000_82547:
1279 case e1000_82547_rev_2:
1280 case e1000_82571:
1281 case e1000_82572:
1282 case e1000_82573:
1283 return e1000_integrated_phy_loopback(adapter);
1284 break;
1285
1286 default:
1287 /* Default PHY loopback work is to read the MII
1288 * control register and assert bit 14 (loopback mode).
1289 */
1290 e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg);
1291 phy_reg |= MII_CR_LOOPBACK;
1292 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, phy_reg);
1293 return 0;
1294 break;
1295 }
1296
1297 return 8;
1298 }
1299
1300 static int
1301 e1000_setup_loopback_test(struct e1000_adapter *adapter)
1302 {
1303 uint32_t rctl;
1304
1305 if(adapter->hw.media_type == e1000_media_type_fiber ||
1306 adapter->hw.media_type == e1000_media_type_internal_serdes) {
1307 if(adapter->hw.mac_type == e1000_82545 ||
1308 adapter->hw.mac_type == e1000_82546 ||
1309 adapter->hw.mac_type == e1000_82545_rev_3 ||
1310 adapter->hw.mac_type == e1000_82546_rev_3)
1311 return e1000_set_phy_loopback(adapter);
1312 else {
1313 rctl = E1000_READ_REG(&adapter->hw, RCTL);
1314 rctl |= E1000_RCTL_LBM_TCVR;
1315 E1000_WRITE_REG(&adapter->hw, RCTL, rctl);
1316 return 0;
1317 }
1318 } else if(adapter->hw.media_type == e1000_media_type_copper)
1319 return e1000_set_phy_loopback(adapter);
1320
1321 return 7;
1322 }
1323
1324 static void
1325 e1000_loopback_cleanup(struct e1000_adapter *adapter)
1326 {
1327 uint32_t rctl;
1328 uint16_t phy_reg;
1329
1330 rctl = E1000_READ_REG(&adapter->hw, RCTL);
1331 rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
1332 E1000_WRITE_REG(&adapter->hw, RCTL, rctl);
1333
1334 if(adapter->hw.media_type == e1000_media_type_copper ||
1335 ((adapter->hw.media_type == e1000_media_type_fiber ||
1336 adapter->hw.media_type == e1000_media_type_internal_serdes) &&
1337 (adapter->hw.mac_type == e1000_82545 ||
1338 adapter->hw.mac_type == e1000_82546 ||
1339 adapter->hw.mac_type == e1000_82545_rev_3 ||
1340 adapter->hw.mac_type == e1000_82546_rev_3))) {
1341 adapter->hw.autoneg = TRUE;
1342 e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg);
1343 if(phy_reg & MII_CR_LOOPBACK) {
1344 phy_reg &= ~MII_CR_LOOPBACK;
1345 e1000_write_phy_reg(&adapter->hw, PHY_CTRL, phy_reg);
1346 e1000_phy_reset(&adapter->hw);
1347 }
1348 }
1349 }
1350
1351 static void
1352 e1000_create_lbtest_frame(struct sk_buff *skb, unsigned int frame_size)
1353 {
1354 memset(skb->data, 0xFF, frame_size);
1355 frame_size = (frame_size % 2) ? (frame_size - 1) : frame_size;
1356 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1357 memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
1358 memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
1359 }
1360
1361 static int
1362 e1000_check_lbtest_frame(struct sk_buff *skb, unsigned int frame_size)
1363 {
1364 frame_size = (frame_size % 2) ? (frame_size - 1) : frame_size;
1365 if(*(skb->data + 3) == 0xFF) {
1366 if((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
1367 (*(skb->data + frame_size / 2 + 12) == 0xAF)) {
1368 return 0;
1369 }
1370 }
1371 return 13;
1372 }
1373
1374 static int
1375 e1000_run_loopback_test(struct e1000_adapter *adapter)
1376 {
1377 struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
1378 struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
1379 struct pci_dev *pdev = adapter->pdev;
1380 int i, j, k, l, lc, good_cnt, ret_val=0;
1381 unsigned long time;
1382
1383 E1000_WRITE_REG(&adapter->hw, RDT, rxdr->count - 1);
1384
1385 /* Calculate the loop count based on the largest descriptor ring
1386 * The idea is to wrap the largest ring a number of times using 64
1387 * send/receive pairs during each loop
1388 */
1389
1390 if(rxdr->count <= txdr->count)
1391 lc = ((txdr->count / 64) * 2) + 1;
1392 else
1393 lc = ((rxdr->count / 64) * 2) + 1;
1394
1395 k = l = 0;
1396 for(j = 0; j <= lc; j++) { /* loop count loop */
1397 for(i = 0; i < 64; i++) { /* send the packets */
1398 e1000_create_lbtest_frame(txdr->buffer_info[i].skb,
1399 1024);
1400 pci_dma_sync_single_for_device(pdev,
1401 txdr->buffer_info[k].dma,
1402 txdr->buffer_info[k].length,
1403 PCI_DMA_TODEVICE);
1404 if(unlikely(++k == txdr->count)) k = 0;
1405 }
1406 E1000_WRITE_REG(&adapter->hw, TDT, k);
1407 msec_delay(200);
1408 time = jiffies; /* set the start time for the receive */
1409 good_cnt = 0;
1410 do { /* receive the sent packets */
1411 pci_dma_sync_single_for_cpu(pdev,
1412 rxdr->buffer_info[l].dma,
1413 rxdr->buffer_info[l].length,
1414 PCI_DMA_FROMDEVICE);
1415
1416 ret_val = e1000_check_lbtest_frame(
1417 rxdr->buffer_info[l].skb,
1418 1024);
1419 if(!ret_val)
1420 good_cnt++;
1421 if(unlikely(++l == rxdr->count)) l = 0;
1422 /* time + 20 msecs (200 msecs on 2.4) is more than
1423 * enough time to complete the receives, if it's
1424 * exceeded, break and error off
1425 */
1426 } while (good_cnt < 64 && jiffies < (time + 20));
1427 if(good_cnt != 64) {
1428 ret_val = 13; /* ret_val is the same as mis-compare */
1429 break;
1430 }
1431 if(jiffies >= (time + 2)) {
1432 ret_val = 14; /* error code for time out error */
1433 break;
1434 }
1435 } /* end loop count loop */
1436 return ret_val;
1437 }
1438
1439 static int
1440 e1000_loopback_test(struct e1000_adapter *adapter, uint64_t *data)
1441 {
1442 if((*data = e1000_setup_desc_rings(adapter))) goto err_loopback;
1443 if((*data = e1000_setup_loopback_test(adapter))) goto err_loopback;
1444 *data = e1000_run_loopback_test(adapter);
1445 e1000_loopback_cleanup(adapter);
1446 e1000_free_desc_rings(adapter);
1447 err_loopback:
1448 return *data;
1449 }
1450
1451 static int
1452 e1000_link_test(struct e1000_adapter *adapter, uint64_t *data)
1453 {
1454 *data = 0;
1455 if (adapter->hw.media_type == e1000_media_type_internal_serdes) {
1456 int i = 0;
1457 adapter->hw.serdes_link_down = TRUE;
1458
1459 /* On some blade server designs, link establishment
1460 * could take as long as 2-3 minutes */
1461 do {
1462 e1000_check_for_link(&adapter->hw);
1463 if (adapter->hw.serdes_link_down == FALSE)
1464 return *data;
1465 msec_delay(20);
1466 } while (i++ < 3750);
1467
1468 *data = 1;
1469 } else {
1470 e1000_check_for_link(&adapter->hw);
1471 if(adapter->hw.autoneg) /* if auto_neg is set wait for it */
1472 msec_delay(4000);
1473
1474 if(!(E1000_READ_REG(&adapter->hw, STATUS) & E1000_STATUS_LU)) {
1475 *data = 1;
1476 }
1477 }
1478 return *data;
1479 }
1480
1481 static int
1482 e1000_diag_test_count(struct net_device *netdev)
1483 {
1484 return E1000_TEST_LEN;
1485 }
1486
1487 static void
1488 e1000_diag_test(struct net_device *netdev,
1489 struct ethtool_test *eth_test, uint64_t *data)
1490 {
1491 struct e1000_adapter *adapter = netdev_priv(netdev);
1492 boolean_t if_running = netif_running(netdev);
1493
1494 if(eth_test->flags == ETH_TEST_FL_OFFLINE) {
1495 /* Offline tests */
1496
1497 /* save speed, duplex, autoneg settings */
1498 uint16_t autoneg_advertised = adapter->hw.autoneg_advertised;
1499 uint8_t forced_speed_duplex = adapter->hw.forced_speed_duplex;
1500 uint8_t autoneg = adapter->hw.autoneg;
1501
1502 /* Link test performed before hardware reset so autoneg doesn't
1503 * interfere with test result */
1504 if(e1000_link_test(adapter, &data[4]))
1505 eth_test->flags |= ETH_TEST_FL_FAILED;
1506
1507 if(if_running)
1508 e1000_down(adapter);
1509 else
1510 e1000_reset(adapter);
1511
1512 if(e1000_reg_test(adapter, &data[0]))
1513 eth_test->flags |= ETH_TEST_FL_FAILED;
1514
1515 e1000_reset(adapter);
1516 if(e1000_eeprom_test(adapter, &data[1]))
1517 eth_test->flags |= ETH_TEST_FL_FAILED;
1518
1519 e1000_reset(adapter);
1520 if(e1000_intr_test(adapter, &data[2]))
1521 eth_test->flags |= ETH_TEST_FL_FAILED;
1522
1523 e1000_reset(adapter);
1524 if(e1000_loopback_test(adapter, &data[3]))
1525 eth_test->flags |= ETH_TEST_FL_FAILED;
1526
1527 /* restore speed, duplex, autoneg settings */
1528 adapter->hw.autoneg_advertised = autoneg_advertised;
1529 adapter->hw.forced_speed_duplex = forced_speed_duplex;
1530 adapter->hw.autoneg = autoneg;
1531
1532 e1000_reset(adapter);
1533 if(if_running)
1534 e1000_up(adapter);
1535 } else {
1536 /* Online tests */
1537 if(e1000_link_test(adapter, &data[4]))
1538 eth_test->flags |= ETH_TEST_FL_FAILED;
1539
1540 /* Offline tests aren't run; pass by default */
1541 data[0] = 0;
1542 data[1] = 0;
1543 data[2] = 0;
1544 data[3] = 0;
1545 }
1546 msleep_interruptible(4 * 1000);
1547 }
1548
1549 static void
1550 e1000_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1551 {
1552 struct e1000_adapter *adapter = netdev_priv(netdev);
1553 struct e1000_hw *hw = &adapter->hw;
1554
1555 switch(adapter->hw.device_id) {
1556 case E1000_DEV_ID_82542:
1557 case E1000_DEV_ID_82543GC_FIBER:
1558 case E1000_DEV_ID_82543GC_COPPER:
1559 case E1000_DEV_ID_82544EI_FIBER:
1560 case E1000_DEV_ID_82546EB_QUAD_COPPER:
1561 case E1000_DEV_ID_82545EM_FIBER:
1562 case E1000_DEV_ID_82545EM_COPPER:
1563 wol->supported = 0;
1564 wol->wolopts = 0;
1565 return;
1566
1567 case E1000_DEV_ID_82546EB_FIBER:
1568 case E1000_DEV_ID_82546GB_FIBER:
1569 /* Wake events only supported on port A for dual fiber */
1570 if(E1000_READ_REG(hw, STATUS) & E1000_STATUS_FUNC_1) {
1571 wol->supported = 0;
1572 wol->wolopts = 0;
1573 return;
1574 }
1575 /* Fall Through */
1576
1577 default:
1578 wol->supported = WAKE_UCAST | WAKE_MCAST |
1579 WAKE_BCAST | WAKE_MAGIC;
1580
1581 wol->wolopts = 0;
1582 if(adapter->wol & E1000_WUFC_EX)
1583 wol->wolopts |= WAKE_UCAST;
1584 if(adapter->wol & E1000_WUFC_MC)
1585 wol->wolopts |= WAKE_MCAST;
1586 if(adapter->wol & E1000_WUFC_BC)
1587 wol->wolopts |= WAKE_BCAST;
1588 if(adapter->wol & E1000_WUFC_MAG)
1589 wol->wolopts |= WAKE_MAGIC;
1590 return;
1591 }
1592 }
1593
1594 static int
1595 e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1596 {
1597 struct e1000_adapter *adapter = netdev_priv(netdev);
1598 struct e1000_hw *hw = &adapter->hw;
1599
1600 switch(adapter->hw.device_id) {
1601 case E1000_DEV_ID_82542:
1602 case E1000_DEV_ID_82543GC_FIBER:
1603 case E1000_DEV_ID_82543GC_COPPER:
1604 case E1000_DEV_ID_82544EI_FIBER:
1605 case E1000_DEV_ID_82546EB_QUAD_COPPER:
1606 case E1000_DEV_ID_82545EM_FIBER:
1607 case E1000_DEV_ID_82545EM_COPPER:
1608 return wol->wolopts ? -EOPNOTSUPP : 0;
1609
1610 case E1000_DEV_ID_82546EB_FIBER:
1611 case E1000_DEV_ID_82546GB_FIBER:
1612 /* Wake events only supported on port A for dual fiber */
1613 if(E1000_READ_REG(hw, STATUS) & E1000_STATUS_FUNC_1)
1614 return wol->wolopts ? -EOPNOTSUPP : 0;
1615 /* Fall Through */
1616
1617 default:
1618 if(wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
1619 return -EOPNOTSUPP;
1620
1621 adapter->wol = 0;
1622
1623 if(wol->wolopts & WAKE_UCAST)
1624 adapter->wol |= E1000_WUFC_EX;
1625 if(wol->wolopts & WAKE_MCAST)
1626 adapter->wol |= E1000_WUFC_MC;
1627 if(wol->wolopts & WAKE_BCAST)
1628 adapter->wol |= E1000_WUFC_BC;
1629 if(wol->wolopts & WAKE_MAGIC)
1630 adapter->wol |= E1000_WUFC_MAG;
1631 }
1632
1633 return 0;
1634 }
1635
1636 /* toggle LED 4 times per second = 2 "blinks" per second */
1637 #define E1000_ID_INTERVAL (HZ/4)
1638
1639 /* bit defines for adapter->led_status */
1640 #define E1000_LED_ON 0
1641
1642 static void
1643 e1000_led_blink_callback(unsigned long data)
1644 {
1645 struct e1000_adapter *adapter = (struct e1000_adapter *) data;
1646
1647 if(test_and_change_bit(E1000_LED_ON, &adapter->led_status))
1648 e1000_led_off(&adapter->hw);
1649 else
1650 e1000_led_on(&adapter->hw);
1651
1652 mod_timer(&adapter->blink_timer, jiffies + E1000_ID_INTERVAL);
1653 }
1654
1655 static int
1656 e1000_phys_id(struct net_device *netdev, uint32_t data)
1657 {
1658 struct e1000_adapter *adapter = netdev_priv(netdev);
1659
1660 if(!data || data > (uint32_t)(MAX_SCHEDULE_TIMEOUT / HZ))
1661 data = (uint32_t)(MAX_SCHEDULE_TIMEOUT / HZ);
1662
1663 if(adapter->hw.mac_type < e1000_82571) {
1664 if(!adapter->blink_timer.function) {
1665 init_timer(&adapter->blink_timer);
1666 adapter->blink_timer.function = e1000_led_blink_callback;
1667 adapter->blink_timer.data = (unsigned long) adapter;
1668 }
1669 e1000_setup_led(&adapter->hw);
1670 mod_timer(&adapter->blink_timer, jiffies);
1671 msleep_interruptible(data * 1000);
1672 del_timer_sync(&adapter->blink_timer);
1673 }
1674 else {
1675 E1000_WRITE_REG(&adapter->hw, LEDCTL, (E1000_LEDCTL_LED2_BLINK_RATE |
1676 E1000_LEDCTL_LED1_BLINK | E1000_LEDCTL_LED2_BLINK |
1677 (E1000_LEDCTL_MODE_LED_ON << E1000_LEDCTL_LED2_MODE_SHIFT) |
1678 (E1000_LEDCTL_MODE_LINK_ACTIVITY << E1000_LEDCTL_LED1_MODE_SHIFT) |
1679 (E1000_LEDCTL_MODE_LED_OFF << E1000_LEDCTL_LED0_MODE_SHIFT)));
1680 msleep_interruptible(data * 1000);
1681 }
1682
1683 e1000_led_off(&adapter->hw);
1684 clear_bit(E1000_LED_ON, &adapter->led_status);
1685 e1000_cleanup_led(&adapter->hw);
1686
1687 return 0;
1688 }
1689
1690 static int
1691 e1000_nway_reset(struct net_device *netdev)
1692 {
1693 struct e1000_adapter *adapter = netdev_priv(netdev);
1694 if(netif_running(netdev)) {
1695 e1000_down(adapter);
1696 e1000_up(adapter);
1697 }
1698 return 0;
1699 }
1700
1701 static int
1702 e1000_get_stats_count(struct net_device *netdev)
1703 {
1704 return E1000_STATS_LEN;
1705 }
1706
1707 static void
1708 e1000_get_ethtool_stats(struct net_device *netdev,
1709 struct ethtool_stats *stats, uint64_t *data)
1710 {
1711 struct e1000_adapter *adapter = netdev_priv(netdev);
1712 int i;
1713
1714 e1000_update_stats(adapter);
1715 for(i = 0; i < E1000_STATS_LEN; i++) {
1716 char *p = (char *)adapter+e1000_gstrings_stats[i].stat_offset;
1717 data[i] = (e1000_gstrings_stats[i].sizeof_stat ==
1718 sizeof(uint64_t)) ? *(uint64_t *)p : *(uint32_t *)p;
1719 }
1720 }
1721
1722 static void
1723 e1000_get_strings(struct net_device *netdev, uint32_t stringset, uint8_t *data)
1724 {
1725 int i;
1726
1727 switch(stringset) {
1728 case ETH_SS_TEST:
1729 memcpy(data, *e1000_gstrings_test,
1730 E1000_TEST_LEN*ETH_GSTRING_LEN);
1731 break;
1732 case ETH_SS_STATS:
1733 for (i=0; i < E1000_STATS_LEN; i++) {
1734 memcpy(data + i * ETH_GSTRING_LEN,
1735 e1000_gstrings_stats[i].stat_string,
1736 ETH_GSTRING_LEN);
1737 }
1738 break;
1739 }
1740 }
1741
1742 struct ethtool_ops e1000_ethtool_ops = {
1743 .get_settings = e1000_get_settings,
1744 .set_settings = e1000_set_settings,
1745 .get_drvinfo = e1000_get_drvinfo,
1746 .get_regs_len = e1000_get_regs_len,
1747 .get_regs = e1000_get_regs,
1748 .get_wol = e1000_get_wol,
1749 .set_wol = e1000_set_wol,
1750 .get_msglevel = e1000_get_msglevel,
1751 .set_msglevel = e1000_set_msglevel,
1752 .nway_reset = e1000_nway_reset,
1753 .get_link = ethtool_op_get_link,
1754 .get_eeprom_len = e1000_get_eeprom_len,
1755 .get_eeprom = e1000_get_eeprom,
1756 .set_eeprom = e1000_set_eeprom,
1757 .get_ringparam = e1000_get_ringparam,
1758 .set_ringparam = e1000_set_ringparam,
1759 .get_pauseparam = e1000_get_pauseparam,
1760 .set_pauseparam = e1000_set_pauseparam,
1761 .get_rx_csum = e1000_get_rx_csum,
1762 .set_rx_csum = e1000_set_rx_csum,
1763 .get_tx_csum = e1000_get_tx_csum,
1764 .set_tx_csum = e1000_set_tx_csum,
1765 .get_sg = ethtool_op_get_sg,
1766 .set_sg = ethtool_op_set_sg,
1767 #ifdef NETIF_F_TSO
1768 .get_tso = ethtool_op_get_tso,
1769 .set_tso = e1000_set_tso,
1770 #endif
1771 .self_test_count = e1000_diag_test_count,
1772 .self_test = e1000_diag_test,
1773 .get_strings = e1000_get_strings,
1774 .phys_id = e1000_phys_id,
1775 .get_stats_count = e1000_get_stats_count,
1776 .get_ethtool_stats = e1000_get_ethtool_stats,
1777 .get_perm_addr = ethtool_op_get_perm_addr,
1778 };
1779
1780 void e1000_set_ethtool_ops(struct net_device *netdev)
1781 {
1782 SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops);
1783 }
CJK support for tty framebuffer vt