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e1000e: Add support for BM PHYs on ICH9
[linux-2.6/mini2440.git] / drivers / net / e1000e / ethtool.c
blob2bb6da057c40de64d936a49f15257490e80493bd
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);
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 ndev_err(adapter->netdev, "Unsupported Speed/Duplex "
193 "configuration\n");
194 return -EINVAL;
195 }
196
197 switch (spddplx) {
198 case SPEED_10 + DUPLEX_HALF:
199 mac->forced_speed_duplex = ADVERTISE_10_HALF;
200 break;
201 case SPEED_10 + DUPLEX_FULL:
202 mac->forced_speed_duplex = ADVERTISE_10_FULL;
203 break;
204 case SPEED_100 + DUPLEX_HALF:
205 mac->forced_speed_duplex = ADVERTISE_100_HALF;
206 break;
207 case SPEED_100 + DUPLEX_FULL:
208 mac->forced_speed_duplex = ADVERTISE_100_FULL;
209 break;
210 case SPEED_1000 + DUPLEX_FULL:
211 mac->autoneg = 1;
212 adapter->hw.phy.autoneg_advertised = ADVERTISE_1000_FULL;
213 break;
214 case SPEED_1000 + DUPLEX_HALF: /* not supported */
215 default:
216 ndev_err(adapter->netdev, "Unsupported Speed/Duplex "
217 "configuration\n");
218 return -EINVAL;
219 }
220 return 0;
221 }
222
223 static int e1000_set_settings(struct net_device *netdev,
224 struct ethtool_cmd *ecmd)
225 {
226 struct e1000_adapter *adapter = netdev_priv(netdev);
227 struct e1000_hw *hw = &adapter->hw;
228
229 /*
230 * When SoL/IDER sessions are active, autoneg/speed/duplex
231 * cannot be changed
232 */
233 if (e1000_check_reset_block(hw)) {
234 ndev_err(netdev, "Cannot change link "
235 "characteristics when SoL/IDER is active.\n");
236 return -EINVAL;
237 }
238
239 while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
240 msleep(1);
241
242 if (ecmd->autoneg == AUTONEG_ENABLE) {
243 hw->mac.autoneg = 1;
244 if (hw->phy.media_type == e1000_media_type_fiber)
245 hw->phy.autoneg_advertised = ADVERTISED_1000baseT_Full |
246 ADVERTISED_FIBRE |
247 ADVERTISED_Autoneg;
248 else
249 hw->phy.autoneg_advertised = ecmd->advertising |
250 ADVERTISED_TP |
251 ADVERTISED_Autoneg;
252 ecmd->advertising = hw->phy.autoneg_advertised;
253 if (adapter->fc_autoneg)
254 hw->fc.original_type = e1000_fc_default;
255 } else {
256 if (e1000_set_spd_dplx(adapter, ecmd->speed + ecmd->duplex)) {
257 clear_bit(__E1000_RESETTING, &adapter->state);
258 return -EINVAL;
259 }
260 }
261
262 /* reset the link */
263
264 if (netif_running(adapter->netdev)) {
265 e1000e_down(adapter);
266 e1000e_up(adapter);
267 } else {
268 e1000e_reset(adapter);
269 }
270
271 clear_bit(__E1000_RESETTING, &adapter->state);
272 return 0;
273 }
274
275 static void e1000_get_pauseparam(struct net_device *netdev,
276 struct ethtool_pauseparam *pause)
277 {
278 struct e1000_adapter *adapter = netdev_priv(netdev);
279 struct e1000_hw *hw = &adapter->hw;
280
281 pause->autoneg =
282 (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE);
283
284 if (hw->fc.type == e1000_fc_rx_pause) {
285 pause->rx_pause = 1;
286 } else if (hw->fc.type == e1000_fc_tx_pause) {
287 pause->tx_pause = 1;
288 } else if (hw->fc.type == e1000_fc_full) {
289 pause->rx_pause = 1;
290 pause->tx_pause = 1;
291 }
292 }
293
294 static int e1000_set_pauseparam(struct net_device *netdev,
295 struct ethtool_pauseparam *pause)
296 {
297 struct e1000_adapter *adapter = netdev_priv(netdev);
298 struct e1000_hw *hw = &adapter->hw;
299 int retval = 0;
300
301 adapter->fc_autoneg = pause->autoneg;
302
303 while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
304 msleep(1);
305
306 if (pause->rx_pause && pause->tx_pause)
307 hw->fc.type = e1000_fc_full;
308 else if (pause->rx_pause && !pause->tx_pause)
309 hw->fc.type = e1000_fc_rx_pause;
310 else if (!pause->rx_pause && pause->tx_pause)
311 hw->fc.type = e1000_fc_tx_pause;
312 else if (!pause->rx_pause && !pause->tx_pause)
313 hw->fc.type = e1000_fc_none;
314
315 hw->fc.original_type = hw->fc.type;
316
317 if (adapter->fc_autoneg == AUTONEG_ENABLE) {
318 hw->fc.type = e1000_fc_default;
319 if (netif_running(adapter->netdev)) {
320 e1000e_down(adapter);
321 e1000e_up(adapter);
322 } else {
323 e1000e_reset(adapter);
324 }
325 } else {
326 retval = ((hw->phy.media_type == e1000_media_type_fiber) ?
327 hw->mac.ops.setup_link(hw) : e1000e_force_mac_fc(hw));
328 }
329
330 clear_bit(__E1000_RESETTING, &adapter->state);
331 return retval;
332 }
333
334 static u32 e1000_get_rx_csum(struct net_device *netdev)
335 {
336 struct e1000_adapter *adapter = netdev_priv(netdev);
337 return (adapter->flags & FLAG_RX_CSUM_ENABLED);
338 }
339
340 static int e1000_set_rx_csum(struct net_device *netdev, u32 data)
341 {
342 struct e1000_adapter *adapter = netdev_priv(netdev);
343
344 if (data)
345 adapter->flags |= FLAG_RX_CSUM_ENABLED;
346 else
347 adapter->flags &= ~FLAG_RX_CSUM_ENABLED;
348
349 if (netif_running(netdev))
350 e1000e_reinit_locked(adapter);
351 else
352 e1000e_reset(adapter);
353 return 0;
354 }
355
356 static u32 e1000_get_tx_csum(struct net_device *netdev)
357 {
358 return ((netdev->features & NETIF_F_HW_CSUM) != 0);
359 }
360
361 static int e1000_set_tx_csum(struct net_device *netdev, u32 data)
362 {
363 if (data)
364 netdev->features |= NETIF_F_HW_CSUM;
365 else
366 netdev->features &= ~NETIF_F_HW_CSUM;
367
368 return 0;
369 }
370
371 static int e1000_set_tso(struct net_device *netdev, u32 data)
372 {
373 struct e1000_adapter *adapter = netdev_priv(netdev);
374
375 if (data) {
376 netdev->features |= NETIF_F_TSO;
377 netdev->features |= NETIF_F_TSO6;
378 } else {
379 netdev->features &= ~NETIF_F_TSO;
380 netdev->features &= ~NETIF_F_TSO6;
381 }
382
383 ndev_info(netdev, "TSO is %s\n",
384 data ? "Enabled" : "Disabled");
385 adapter->flags |= FLAG_TSO_FORCE;
386 return 0;
387 }
388
389 static u32 e1000_get_msglevel(struct net_device *netdev)
390 {
391 struct e1000_adapter *adapter = netdev_priv(netdev);
392 return adapter->msg_enable;
393 }
394
395 static void e1000_set_msglevel(struct net_device *netdev, u32 data)
396 {
397 struct e1000_adapter *adapter = netdev_priv(netdev);
398 adapter->msg_enable = data;
399 }
400
401 static int e1000_get_regs_len(struct net_device *netdev)
402 {
403 #define E1000_REGS_LEN 32 /* overestimate */
404 return E1000_REGS_LEN * sizeof(u32);
405 }
406
407 static void e1000_get_regs(struct net_device *netdev,
408 struct ethtool_regs *regs, void *p)
409 {
410 struct e1000_adapter *adapter = netdev_priv(netdev);
411 struct e1000_hw *hw = &adapter->hw;
412 u32 *regs_buff = p;
413 u16 phy_data;
414 u8 revision_id;
415
416 memset(p, 0, E1000_REGS_LEN * sizeof(u32));
417
418 pci_read_config_byte(adapter->pdev, PCI_REVISION_ID, &revision_id);
419
420 regs->version = (1 << 24) | (revision_id << 16) | adapter->pdev->device;
421
422 regs_buff[0] = er32(CTRL);
423 regs_buff[1] = er32(STATUS);
424
425 regs_buff[2] = er32(RCTL);
426 regs_buff[3] = er32(RDLEN);
427 regs_buff[4] = er32(RDH);
428 regs_buff[5] = er32(RDT);
429 regs_buff[6] = er32(RDTR);
430
431 regs_buff[7] = er32(TCTL);
432 regs_buff[8] = er32(TDLEN);
433 regs_buff[9] = er32(TDH);
434 regs_buff[10] = er32(TDT);
435 regs_buff[11] = er32(TIDV);
436
437 regs_buff[12] = adapter->hw.phy.type; /* PHY type (IGP=1, M88=0) */
438 if (hw->phy.type == e1000_phy_m88) {
439 e1e_rphy(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
440 regs_buff[13] = (u32)phy_data; /* cable length */
441 regs_buff[14] = 0; /* Dummy (to align w/ IGP phy reg dump) */
442 regs_buff[15] = 0; /* Dummy (to align w/ IGP phy reg dump) */
443 regs_buff[16] = 0; /* Dummy (to align w/ IGP phy reg dump) */
444 e1e_rphy(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
445 regs_buff[17] = (u32)phy_data; /* extended 10bt distance */
446 regs_buff[18] = regs_buff[13]; /* cable polarity */
447 regs_buff[19] = 0; /* Dummy (to align w/ IGP phy reg dump) */
448 regs_buff[20] = regs_buff[17]; /* polarity correction */
449 /* phy receive errors */
450 regs_buff[22] = adapter->phy_stats.receive_errors;
451 regs_buff[23] = regs_buff[13]; /* mdix mode */
452 }
453 regs_buff[21] = adapter->phy_stats.idle_errors; /* phy idle errors */
454 e1e_rphy(hw, PHY_1000T_STATUS, &phy_data);
455 regs_buff[24] = (u32)phy_data; /* phy local receiver status */
456 regs_buff[25] = regs_buff[24]; /* phy remote receiver status */
457 }
458
459 static int e1000_get_eeprom_len(struct net_device *netdev)
460 {
461 struct e1000_adapter *adapter = netdev_priv(netdev);
462 return adapter->hw.nvm.word_size * 2;
463 }
464
465 static int e1000_get_eeprom(struct net_device *netdev,
466 struct ethtool_eeprom *eeprom, u8 *bytes)
467 {
468 struct e1000_adapter *adapter = netdev_priv(netdev);
469 struct e1000_hw *hw = &adapter->hw;
470 u16 *eeprom_buff;
471 int first_word;
472 int last_word;
473 int ret_val = 0;
474 u16 i;
475
476 if (eeprom->len == 0)
477 return -EINVAL;
478
479 eeprom->magic = adapter->pdev->vendor | (adapter->pdev->device << 16);
480
481 first_word = eeprom->offset >> 1;
482 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
483
484 eeprom_buff = kmalloc(sizeof(u16) *
485 (last_word - first_word + 1), GFP_KERNEL);
486 if (!eeprom_buff)
487 return -ENOMEM;
488
489 if (hw->nvm.type == e1000_nvm_eeprom_spi) {
490 ret_val = e1000_read_nvm(hw, first_word,
491 last_word - first_word + 1,
492 eeprom_buff);
493 } else {
494 for (i = 0; i < last_word - first_word + 1; i++) {
495 ret_val = e1000_read_nvm(hw, first_word + i, 1,
496 &eeprom_buff[i]);
497 if (ret_val)
498 break;
499 }
500 }
501
502 /* Device's eeprom is always little-endian, word addressable */
503 for (i = 0; i < last_word - first_word + 1; i++)
504 le16_to_cpus(&eeprom_buff[i]);
505
506 memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
507 kfree(eeprom_buff);
508
509 return ret_val;
510 }
511
512 static int e1000_set_eeprom(struct net_device *netdev,
513 struct ethtool_eeprom *eeprom, u8 *bytes)
514 {
515 struct e1000_adapter *adapter = netdev_priv(netdev);
516 struct e1000_hw *hw = &adapter->hw;
517 u16 *eeprom_buff;
518 void *ptr;
519 int max_len;
520 int first_word;
521 int last_word;
522 int ret_val = 0;
523 u16 i;
524
525 if (eeprom->len == 0)
526 return -EOPNOTSUPP;
527
528 if (eeprom->magic != (adapter->pdev->vendor | (adapter->pdev->device << 16)))
529 return -EFAULT;
530
531 max_len = hw->nvm.word_size * 2;
532
533 first_word = eeprom->offset >> 1;
534 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
535 eeprom_buff = kmalloc(max_len, GFP_KERNEL);
536 if (!eeprom_buff)
537 return -ENOMEM;
538
539 ptr = (void *)eeprom_buff;
540
541 if (eeprom->offset & 1) {
542 /* need read/modify/write of first changed EEPROM word */
543 /* only the second byte of the word is being modified */
544 ret_val = e1000_read_nvm(hw, first_word, 1, &eeprom_buff[0]);
545 ptr++;
546 }
547 if (((eeprom->offset + eeprom->len) & 1) && (ret_val == 0))
548 /* need read/modify/write of last changed EEPROM word */
549 /* only the first byte of the word is being modified */
550 ret_val = e1000_read_nvm(hw, last_word, 1,
551 &eeprom_buff[last_word - first_word]);
552
553 /* Device's eeprom is always little-endian, word addressable */
554 for (i = 0; i < last_word - first_word + 1; i++)
555 le16_to_cpus(&eeprom_buff[i]);
556
557 memcpy(ptr, bytes, eeprom->len);
558
559 for (i = 0; i < last_word - first_word + 1; i++)
560 eeprom_buff[i] = cpu_to_le16(eeprom_buff[i]);
561
562 ret_val = e1000_write_nvm(hw, first_word,
563 last_word - first_word + 1, eeprom_buff);
564
565 /*
566 * Update the checksum over the first part of the EEPROM if needed
567 * and flush shadow RAM for 82573 controllers
568 */
569 if ((ret_val == 0) && ((first_word <= NVM_CHECKSUM_REG) ||
570 (hw->mac.type == e1000_82573)))
571 e1000e_update_nvm_checksum(hw);
572
573 kfree(eeprom_buff);
574 return ret_val;
575 }
576
577 static void e1000_get_drvinfo(struct net_device *netdev,
578 struct ethtool_drvinfo *drvinfo)
579 {
580 struct e1000_adapter *adapter = netdev_priv(netdev);
581 char firmware_version[32];
582 u16 eeprom_data;
583
584 strncpy(drvinfo->driver, e1000e_driver_name, 32);
585 strncpy(drvinfo->version, e1000e_driver_version, 32);
586
587 /*
588 * EEPROM image version # is reported as firmware version # for
589 * PCI-E controllers
590 */
591 e1000_read_nvm(&adapter->hw, 5, 1, &eeprom_data);
592 sprintf(firmware_version, "%d.%d-%d",
593 (eeprom_data & 0xF000) >> 12,
594 (eeprom_data & 0x0FF0) >> 4,
595 eeprom_data & 0x000F);
596
597 strncpy(drvinfo->fw_version, firmware_version, 32);
598 strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
599 drvinfo->regdump_len = e1000_get_regs_len(netdev);
600 drvinfo->eedump_len = e1000_get_eeprom_len(netdev);
601 }
602
603 static void e1000_get_ringparam(struct net_device *netdev,
604 struct ethtool_ringparam *ring)
605 {
606 struct e1000_adapter *adapter = netdev_priv(netdev);
607 struct e1000_ring *tx_ring = adapter->tx_ring;
608 struct e1000_ring *rx_ring = adapter->rx_ring;
609
610 ring->rx_max_pending = E1000_MAX_RXD;
611 ring->tx_max_pending = E1000_MAX_TXD;
612 ring->rx_mini_max_pending = 0;
613 ring->rx_jumbo_max_pending = 0;
614 ring->rx_pending = rx_ring->count;
615 ring->tx_pending = tx_ring->count;
616 ring->rx_mini_pending = 0;
617 ring->rx_jumbo_pending = 0;
618 }
619
620 static int e1000_set_ringparam(struct net_device *netdev,
621 struct ethtool_ringparam *ring)
622 {
623 struct e1000_adapter *adapter = netdev_priv(netdev);
624 struct e1000_ring *tx_ring, *tx_old;
625 struct e1000_ring *rx_ring, *rx_old;
626 int err;
627
628 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
629 return -EINVAL;
630
631 while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
632 msleep(1);
633
634 if (netif_running(adapter->netdev))
635 e1000e_down(adapter);
636
637 tx_old = adapter->tx_ring;
638 rx_old = adapter->rx_ring;
639
640 err = -ENOMEM;
641 tx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL);
642 if (!tx_ring)
643 goto err_alloc_tx;
644 /*
645 * use a memcpy to save any previously configured
646 * items like napi structs from having to be
647 * reinitialized
648 */
649 memcpy(tx_ring, tx_old, sizeof(struct e1000_ring));
650
651 rx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL);
652 if (!rx_ring)
653 goto err_alloc_rx;
654 memcpy(rx_ring, rx_old, sizeof(struct e1000_ring));
655
656 adapter->tx_ring = tx_ring;
657 adapter->rx_ring = rx_ring;
658
659 rx_ring->count = max(ring->rx_pending, (u32)E1000_MIN_RXD);
660 rx_ring->count = min(rx_ring->count, (u32)(E1000_MAX_RXD));
661 rx_ring->count = ALIGN(rx_ring->count, REQ_RX_DESCRIPTOR_MULTIPLE);
662
663 tx_ring->count = max(ring->tx_pending, (u32)E1000_MIN_TXD);
664 tx_ring->count = min(tx_ring->count, (u32)(E1000_MAX_TXD));
665 tx_ring->count = ALIGN(tx_ring->count, REQ_TX_DESCRIPTOR_MULTIPLE);
666
667 if (netif_running(adapter->netdev)) {
668 /* Try to get new resources before deleting old */
669 err = e1000e_setup_rx_resources(adapter);
670 if (err)
671 goto err_setup_rx;
672 err = e1000e_setup_tx_resources(adapter);
673 if (err)
674 goto err_setup_tx;
675
676 /*
677 * restore the old in order to free it,
678 * then add in the new
679 */
680 adapter->rx_ring = rx_old;
681 adapter->tx_ring = tx_old;
682 e1000e_free_rx_resources(adapter);
683 e1000e_free_tx_resources(adapter);
684 kfree(tx_old);
685 kfree(rx_old);
686 adapter->rx_ring = rx_ring;
687 adapter->tx_ring = tx_ring;
688 err = e1000e_up(adapter);
689 if (err)
690 goto err_setup;
691 }
692
693 clear_bit(__E1000_RESETTING, &adapter->state);
694 return 0;
695 err_setup_tx:
696 e1000e_free_rx_resources(adapter);
697 err_setup_rx:
698 adapter->rx_ring = rx_old;
699 adapter->tx_ring = tx_old;
700 kfree(rx_ring);
701 err_alloc_rx:
702 kfree(tx_ring);
703 err_alloc_tx:
704 e1000e_up(adapter);
705 err_setup:
706 clear_bit(__E1000_RESETTING, &adapter->state);
707 return err;
708 }
709
710 static bool reg_pattern_test(struct e1000_adapter *adapter, u64 *data,
711 int reg, int offset, u32 mask, u32 write)
712 {
713 u32 pat, val;
714 static const u32 test[] =
715 {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF};
716 for (pat = 0; pat < ARRAY_SIZE(test); pat++) {
717 E1000_WRITE_REG_ARRAY(&adapter->hw, reg, offset,
718 (test[pat] & write));
719 val = E1000_READ_REG_ARRAY(&adapter->hw, reg, offset);
720 if (val != (test[pat] & write & mask)) {
721 ndev_err(adapter->netdev, "pattern test reg %04X "
722 "failed: got 0x%08X expected 0x%08X\n",
723 reg + offset,
724 val, (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 ndev_err(adapter->netdev, "set/check reg %04X test failed: "
740 "got 0x%08X expected 0x%08X\n", reg, (val & mask),
741 (write & mask));
742 *data = reg;
743 return 1;
744 }
745 return 0;
746 }
747 #define REG_PATTERN_TEST_ARRAY(reg, offset, mask, write) \
748 do { \
749 if (reg_pattern_test(adapter, data, reg, offset, mask, write)) \
750 return 1; \
751 } while (0)
752 #define REG_PATTERN_TEST(reg, mask, write) \
753 REG_PATTERN_TEST_ARRAY(reg, 0, mask, write)
754
755 #define REG_SET_AND_CHECK(reg, mask, write) \
756 do { \
757 if (reg_set_and_check(adapter, data, reg, mask, write)) \
758 return 1; \
759 } while (0)
760
761 static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data)
762 {
763 struct e1000_hw *hw = &adapter->hw;
764 struct e1000_mac_info *mac = &adapter->hw.mac;
765 struct net_device *netdev = adapter->netdev;
766 u32 value;
767 u32 before;
768 u32 after;
769 u32 i;
770 u32 toggle;
771
772 /*
773 * The status register is Read Only, so a write should fail.
774 * Some bits that get toggled are ignored.
775 */
776 switch (mac->type) {
777 /* there are several bits on newer hardware that are r/w */
778 case e1000_82571:
779 case e1000_82572:
780 case e1000_80003es2lan:
781 toggle = 0x7FFFF3FF;
782 break;
783 case e1000_82573:
784 case e1000_ich8lan:
785 case e1000_ich9lan:
786 toggle = 0x7FFFF033;
787 break;
788 default:
789 toggle = 0xFFFFF833;
790 break;
791 }
792
793 before = er32(STATUS);
794 value = (er32(STATUS) & toggle);
795 ew32(STATUS, toggle);
796 after = er32(STATUS) & toggle;
797 if (value != after) {
798 ndev_err(netdev, "failed STATUS register test got: "
799 "0x%08X expected: 0x%08X\n", after, value);
800 *data = 1;
801 return 1;
802 }
803 /* restore previous status */
804 ew32(STATUS, before);
805
806 if (!(adapter->flags & FLAG_IS_ICH)) {
807 REG_PATTERN_TEST(E1000_FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
808 REG_PATTERN_TEST(E1000_FCAH, 0x0000FFFF, 0xFFFFFFFF);
809 REG_PATTERN_TEST(E1000_FCT, 0x0000FFFF, 0xFFFFFFFF);
810 REG_PATTERN_TEST(E1000_VET, 0x0000FFFF, 0xFFFFFFFF);
811 }
812
813 REG_PATTERN_TEST(E1000_RDTR, 0x0000FFFF, 0xFFFFFFFF);
814 REG_PATTERN_TEST(E1000_RDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
815 REG_PATTERN_TEST(E1000_RDLEN, 0x000FFF80, 0x000FFFFF);
816 REG_PATTERN_TEST(E1000_RDH, 0x0000FFFF, 0x0000FFFF);
817 REG_PATTERN_TEST(E1000_RDT, 0x0000FFFF, 0x0000FFFF);
818 REG_PATTERN_TEST(E1000_FCRTH, 0x0000FFF8, 0x0000FFF8);
819 REG_PATTERN_TEST(E1000_FCTTV, 0x0000FFFF, 0x0000FFFF);
820 REG_PATTERN_TEST(E1000_TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
821 REG_PATTERN_TEST(E1000_TDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
822 REG_PATTERN_TEST(E1000_TDLEN, 0x000FFF80, 0x000FFFFF);
823
824 REG_SET_AND_CHECK(E1000_RCTL, 0xFFFFFFFF, 0x00000000);
825
826 before = ((adapter->flags & FLAG_IS_ICH) ? 0x06C3B33E : 0x06DFB3FE);
827 REG_SET_AND_CHECK(E1000_RCTL, before, 0x003FFFFB);
828 REG_SET_AND_CHECK(E1000_TCTL, 0xFFFFFFFF, 0x00000000);
829
830 REG_SET_AND_CHECK(E1000_RCTL, before, 0xFFFFFFFF);
831 REG_PATTERN_TEST(E1000_RDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
832 if (!(adapter->flags & FLAG_IS_ICH))
833 REG_PATTERN_TEST(E1000_TXCW, 0xC000FFFF, 0x0000FFFF);
834 REG_PATTERN_TEST(E1000_TDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
835 REG_PATTERN_TEST(E1000_TIDV, 0x0000FFFF, 0x0000FFFF);
836 for (i = 0; i < mac->rar_entry_count; i++)
837 REG_PATTERN_TEST_ARRAY(E1000_RA, ((i << 1) + 1),
838 0x8003FFFF, 0xFFFFFFFF);
839
840 for (i = 0; i < mac->mta_reg_count; i++)
841 REG_PATTERN_TEST_ARRAY(E1000_MTA, i, 0xFFFFFFFF, 0xFFFFFFFF);
842
843 *data = 0;
844 return 0;
845 }
846
847 static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data)
848 {
849 u16 temp;
850 u16 checksum = 0;
851 u16 i;
852
853 *data = 0;
854 /* Read and add up the contents of the EEPROM */
855 for (i = 0; i < (NVM_CHECKSUM_REG + 1); i++) {
856 if ((e1000_read_nvm(&adapter->hw, i, 1, &temp)) < 0) {
857 *data = 1;
858 break;
859 }
860 checksum += temp;
861 }
862
863 /* If Checksum is not Correct return error else test passed */
864 if ((checksum != (u16) NVM_SUM) && !(*data))
865 *data = 2;
866
867 return *data;
868 }
869
870 static irqreturn_t e1000_test_intr(int irq, void *data)
871 {
872 struct net_device *netdev = (struct net_device *) data;
873 struct e1000_adapter *adapter = netdev_priv(netdev);
874 struct e1000_hw *hw = &adapter->hw;
875
876 adapter->test_icr |= er32(ICR);
877
878 return IRQ_HANDLED;
879 }
880
881 static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data)
882 {
883 struct net_device *netdev = adapter->netdev;
884 struct e1000_hw *hw = &adapter->hw;
885 u32 mask;
886 u32 shared_int = 1;
887 u32 irq = adapter->pdev->irq;
888 int i;
889
890 *data = 0;
891
892 /* NOTE: we don't test MSI interrupts here, yet */
893 /* Hook up test interrupt handler just for this test */
894 if (!request_irq(irq, &e1000_test_intr, IRQF_PROBE_SHARED, netdev->name,
895 netdev)) {
896 shared_int = 0;
897 } else if (request_irq(irq, &e1000_test_intr, IRQF_SHARED,
898 netdev->name, netdev)) {
899 *data = 1;
900 return -1;
901 }
902 ndev_info(netdev, "testing %s interrupt\n",
903 (shared_int ? "shared" : "unshared"));
904
905 /* Disable all the interrupts */
906 ew32(IMC, 0xFFFFFFFF);
907 msleep(10);
908
909 /* Test each interrupt */
910 for (i = 0; i < 10; i++) {
911 if ((adapter->flags & FLAG_IS_ICH) && (i == 8))
912 continue;
913
914 /* Interrupt to test */
915 mask = 1 << i;
916
917 if (!shared_int) {
918 /*
919 * Disable the interrupt to be reported in
920 * the cause register and then force the same
921 * interrupt and see if one gets posted. If
922 * an interrupt was posted to the bus, the
923 * test failed.
924 */
925 adapter->test_icr = 0;
926 ew32(IMC, mask);
927 ew32(ICS, mask);
928 msleep(10);
929
930 if (adapter->test_icr & mask) {
931 *data = 3;
932 break;
933 }
934 }
935
936 /*
937 * Enable the interrupt to be reported in
938 * the cause register and then force the same
939 * interrupt and see if one gets posted. If
940 * an interrupt was not posted to the bus, the
941 * test failed.
942 */
943 adapter->test_icr = 0;
944 ew32(IMS, mask);
945 ew32(ICS, mask);
946 msleep(10);
947
948 if (!(adapter->test_icr & mask)) {
949 *data = 4;
950 break;
951 }
952
953 if (!shared_int) {
954 /*
955 * Disable the other interrupts to be reported in
956 * the cause register and then force the other
957 * interrupts and see if any get posted. If
958 * an interrupt was posted to the bus, the
959 * test failed.
960 */
961 adapter->test_icr = 0;
962 ew32(IMC, ~mask & 0x00007FFF);
963 ew32(ICS, ~mask & 0x00007FFF);
964 msleep(10);
965
966 if (adapter->test_icr) {
967 *data = 5;
968 break;
969 }
970 }
971 }
972
973 /* Disable all the interrupts */
974 ew32(IMC, 0xFFFFFFFF);
975 msleep(10);
976
977 /* Unhook test interrupt handler */
978 free_irq(irq, netdev);
979
980 return *data;
981 }
982
983 static void e1000_free_desc_rings(struct e1000_adapter *adapter)
984 {
985 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
986 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
987 struct pci_dev *pdev = adapter->pdev;
988 int i;
989
990 if (tx_ring->desc && tx_ring->buffer_info) {
991 for (i = 0; i < tx_ring->count; i++) {
992 if (tx_ring->buffer_info[i].dma)
993 pci_unmap_single(pdev,
994 tx_ring->buffer_info[i].dma,
995 tx_ring->buffer_info[i].length,
996 PCI_DMA_TODEVICE);
997 if (tx_ring->buffer_info[i].skb)
998 dev_kfree_skb(tx_ring->buffer_info[i].skb);
999 }
1000 }
1001
1002 if (rx_ring->desc && rx_ring->buffer_info) {
1003 for (i = 0; i < rx_ring->count; i++) {
1004 if (rx_ring->buffer_info[i].dma)
1005 pci_unmap_single(pdev,
1006 rx_ring->buffer_info[i].dma,
1007 2048, PCI_DMA_FROMDEVICE);
1008 if (rx_ring->buffer_info[i].skb)
1009 dev_kfree_skb(rx_ring->buffer_info[i].skb);
1010 }
1011 }
1012
1013 if (tx_ring->desc) {
1014 dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc,
1015 tx_ring->dma);
1016 tx_ring->desc = NULL;
1017 }
1018 if (rx_ring->desc) {
1019 dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc,
1020 rx_ring->dma);
1021 rx_ring->desc = NULL;
1022 }
1023
1024 kfree(tx_ring->buffer_info);
1025 tx_ring->buffer_info = NULL;
1026 kfree(rx_ring->buffer_info);
1027 rx_ring->buffer_info = NULL;
1028 }
1029
1030 static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
1031 {
1032 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1033 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1034 struct pci_dev *pdev = adapter->pdev;
1035 struct e1000_hw *hw = &adapter->hw;
1036 u32 rctl;
1037 int i;
1038 int ret_val;
1039
1040 /* Setup Tx descriptor ring and Tx buffers */
1041
1042 if (!tx_ring->count)
1043 tx_ring->count = E1000_DEFAULT_TXD;
1044
1045 tx_ring->buffer_info = kcalloc(tx_ring->count,
1046 sizeof(struct e1000_buffer),
1047 GFP_KERNEL);
1048 if (!(tx_ring->buffer_info)) {
1049 ret_val = 1;
1050 goto err_nomem;
1051 }
1052
1053 tx_ring->size = tx_ring->count * sizeof(struct e1000_tx_desc);
1054 tx_ring->size = ALIGN(tx_ring->size, 4096);
1055 tx_ring->desc = dma_alloc_coherent(&pdev->dev, tx_ring->size,
1056 &tx_ring->dma, GFP_KERNEL);
1057 if (!tx_ring->desc) {
1058 ret_val = 2;
1059 goto err_nomem;
1060 }
1061 tx_ring->next_to_use = 0;
1062 tx_ring->next_to_clean = 0;
1063
1064 ew32(TDBAL, ((u64) tx_ring->dma & 0x00000000FFFFFFFF));
1065 ew32(TDBAH, ((u64) tx_ring->dma >> 32));
1066 ew32(TDLEN, tx_ring->count * sizeof(struct e1000_tx_desc));
1067 ew32(TDH, 0);
1068 ew32(TDT, 0);
1069 ew32(TCTL, E1000_TCTL_PSP | E1000_TCTL_EN | E1000_TCTL_MULR |
1070 E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
1071 E1000_COLLISION_DISTANCE << E1000_COLD_SHIFT);
1072
1073 for (i = 0; i < tx_ring->count; i++) {
1074 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*tx_ring, i);
1075 struct sk_buff *skb;
1076 unsigned int skb_size = 1024;
1077
1078 skb = alloc_skb(skb_size, GFP_KERNEL);
1079 if (!skb) {
1080 ret_val = 3;
1081 goto err_nomem;
1082 }
1083 skb_put(skb, skb_size);
1084 tx_ring->buffer_info[i].skb = skb;
1085 tx_ring->buffer_info[i].length = skb->len;
1086 tx_ring->buffer_info[i].dma =
1087 pci_map_single(pdev, skb->data, skb->len,
1088 PCI_DMA_TODEVICE);
1089 if (pci_dma_mapping_error(tx_ring->buffer_info[i].dma)) {
1090 ret_val = 4;
1091 goto err_nomem;
1092 }
1093 tx_desc->buffer_addr = cpu_to_le64(tx_ring->buffer_info[i].dma);
1094 tx_desc->lower.data = cpu_to_le32(skb->len);
1095 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
1096 E1000_TXD_CMD_IFCS |
1097 E1000_TXD_CMD_RS);
1098 tx_desc->upper.data = 0;
1099 }
1100
1101 /* Setup Rx descriptor ring and Rx buffers */
1102
1103 if (!rx_ring->count)
1104 rx_ring->count = E1000_DEFAULT_RXD;
1105
1106 rx_ring->buffer_info = kcalloc(rx_ring->count,
1107 sizeof(struct e1000_buffer),
1108 GFP_KERNEL);
1109 if (!(rx_ring->buffer_info)) {
1110 ret_val = 5;
1111 goto err_nomem;
1112 }
1113
1114 rx_ring->size = rx_ring->count * sizeof(struct e1000_rx_desc);
1115 rx_ring->desc = dma_alloc_coherent(&pdev->dev, rx_ring->size,
1116 &rx_ring->dma, GFP_KERNEL);
1117 if (!rx_ring->desc) {
1118 ret_val = 6;
1119 goto err_nomem;
1120 }
1121 rx_ring->next_to_use = 0;
1122 rx_ring->next_to_clean = 0;
1123
1124 rctl = er32(RCTL);
1125 ew32(RCTL, rctl & ~E1000_RCTL_EN);
1126 ew32(RDBAL, ((u64) rx_ring->dma & 0xFFFFFFFF));
1127 ew32(RDBAH, ((u64) rx_ring->dma >> 32));
1128 ew32(RDLEN, rx_ring->size);
1129 ew32(RDH, 0);
1130 ew32(RDT, 0);
1131 rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
1132 E1000_RCTL_UPE | E1000_RCTL_MPE | E1000_RCTL_LPE |
1133 E1000_RCTL_SBP | E1000_RCTL_SECRC |
1134 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
1135 (adapter->hw.mac.mc_filter_type << E1000_RCTL_MO_SHIFT);
1136 ew32(RCTL, rctl);
1137
1138 for (i = 0; i < rx_ring->count; i++) {
1139 struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rx_ring, i);
1140 struct sk_buff *skb;
1141
1142 skb = alloc_skb(2048 + NET_IP_ALIGN, GFP_KERNEL);
1143 if (!skb) {
1144 ret_val = 7;
1145 goto err_nomem;
1146 }
1147 skb_reserve(skb, NET_IP_ALIGN);
1148 rx_ring->buffer_info[i].skb = skb;
1149 rx_ring->buffer_info[i].dma =
1150 pci_map_single(pdev, skb->data, 2048,
1151 PCI_DMA_FROMDEVICE);
1152 if (pci_dma_mapping_error(rx_ring->buffer_info[i].dma)) {
1153 ret_val = 8;
1154 goto err_nomem;
1155 }
1156 rx_desc->buffer_addr =
1157 cpu_to_le64(rx_ring->buffer_info[i].dma);
1158 memset(skb->data, 0x00, skb->len);
1159 }
1160
1161 return 0;
1162
1163 err_nomem:
1164 e1000_free_desc_rings(adapter);
1165 return ret_val;
1166 }
1167
1168 static void e1000_phy_disable_receiver(struct e1000_adapter *adapter)
1169 {
1170 /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1171 e1e_wphy(&adapter->hw, 29, 0x001F);
1172 e1e_wphy(&adapter->hw, 30, 0x8FFC);
1173 e1e_wphy(&adapter->hw, 29, 0x001A);
1174 e1e_wphy(&adapter->hw, 30, 0x8FF0);
1175 }
1176
1177 static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
1178 {
1179 struct e1000_hw *hw = &adapter->hw;
1180 u32 ctrl_reg = 0;
1181 u32 stat_reg = 0;
1182 u16 phy_reg = 0;
1183
1184 hw->mac.autoneg = 0;
1185
1186 if (hw->phy.type == e1000_phy_m88) {
1187 /* Auto-MDI/MDIX Off */
1188 e1e_wphy(hw, M88E1000_PHY_SPEC_CTRL, 0x0808);
1189 /* reset to update Auto-MDI/MDIX */
1190 e1e_wphy(hw, PHY_CONTROL, 0x9140);
1191 /* autoneg off */
1192 e1e_wphy(hw, PHY_CONTROL, 0x8140);
1193 } else if (hw->phy.type == e1000_phy_gg82563)
1194 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x1CC);
1195
1196 ctrl_reg = er32(CTRL);
1197
1198 switch (hw->phy.type) {
1199 case e1000_phy_ife:
1200 /* force 100, set loopback */
1201 e1e_wphy(hw, PHY_CONTROL, 0x6100);
1202
1203 /* Now set up the MAC to the same speed/duplex as the PHY. */
1204 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1205 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1206 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1207 E1000_CTRL_SPD_100 |/* Force Speed to 100 */
1208 E1000_CTRL_FD); /* Force Duplex to FULL */
1209 break;
1210 case e1000_phy_bm:
1211 /* Set Default MAC Interface speed to 1GB */
1212 e1e_rphy(hw, PHY_REG(2, 21), &phy_reg);
1213 phy_reg &= ~0x0007;
1214 phy_reg |= 0x006;
1215 e1e_wphy(hw, PHY_REG(2, 21), phy_reg);
1216 /* Assert SW reset for above settings to take effect */
1217 e1000e_commit_phy(hw);
1218 mdelay(1);
1219 /* Force Full Duplex */
1220 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg);
1221 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x000C);
1222 /* Set Link Up (in force link) */
1223 e1e_rphy(hw, PHY_REG(776, 16), &phy_reg);
1224 e1e_wphy(hw, PHY_REG(776, 16), phy_reg | 0x0040);
1225 /* Force Link */
1226 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg);
1227 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x0040);
1228 /* Set Early Link Enable */
1229 e1e_rphy(hw, PHY_REG(769, 20), &phy_reg);
1230 e1e_wphy(hw, PHY_REG(769, 20), phy_reg | 0x0400);
1231 /* fall through */
1232 default:
1233 /* force 1000, set loopback */
1234 e1e_wphy(hw, PHY_CONTROL, 0x4140);
1235 mdelay(250);
1236
1237 /* Now set up the MAC to the same speed/duplex as the PHY. */
1238 ctrl_reg = er32(CTRL);
1239 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1240 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1241 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1242 E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
1243 E1000_CTRL_FD); /* Force Duplex to FULL */
1244
1245 if (adapter->flags & FLAG_IS_ICH)
1246 ctrl_reg |= E1000_CTRL_SLU; /* Set Link Up */
1247 }
1248
1249 if (hw->phy.media_type == e1000_media_type_copper &&
1250 hw->phy.type == e1000_phy_m88) {
1251 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
1252 } else {
1253 /*
1254 * Set the ILOS bit on the fiber Nic if half duplex link is
1255 * detected.
1256 */
1257 stat_reg = er32(STATUS);
1258 if ((stat_reg & E1000_STATUS_FD) == 0)
1259 ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
1260 }
1261
1262 ew32(CTRL, ctrl_reg);
1263
1264 /*
1265 * Disable the receiver on the PHY so when a cable is plugged in, the
1266 * PHY does not begin to autoneg when a cable is reconnected to the NIC.
1267 */
1268 if (hw->phy.type == e1000_phy_m88)
1269 e1000_phy_disable_receiver(adapter);
1270
1271 udelay(500);
1272
1273 return 0;
1274 }
1275
1276 static int e1000_set_82571_fiber_loopback(struct e1000_adapter *adapter)
1277 {
1278 struct e1000_hw *hw = &adapter->hw;
1279 u32 ctrl = er32(CTRL);
1280 int link = 0;
1281
1282 /* special requirements for 82571/82572 fiber adapters */
1283
1284 /*
1285 * jump through hoops to make sure link is up because serdes
1286 * link is hardwired up
1287 */
1288 ctrl |= E1000_CTRL_SLU;
1289 ew32(CTRL, ctrl);
1290
1291 /* disable autoneg */
1292 ctrl = er32(TXCW);
1293 ctrl &= ~(1 << 31);
1294 ew32(TXCW, ctrl);
1295
1296 link = (er32(STATUS) & E1000_STATUS_LU);
1297
1298 if (!link) {
1299 /* set invert loss of signal */
1300 ctrl = er32(CTRL);
1301 ctrl |= E1000_CTRL_ILOS;
1302 ew32(CTRL, ctrl);
1303 }
1304
1305 /*
1306 * special write to serdes control register to enable SerDes analog
1307 * loopback
1308 */
1309 #define E1000_SERDES_LB_ON 0x410
1310 ew32(SCTL, E1000_SERDES_LB_ON);
1311 msleep(10);
1312
1313 return 0;
1314 }
1315
1316 /* only call this for fiber/serdes connections to es2lan */
1317 static int e1000_set_es2lan_mac_loopback(struct e1000_adapter *adapter)
1318 {
1319 struct e1000_hw *hw = &adapter->hw;
1320 u32 ctrlext = er32(CTRL_EXT);
1321 u32 ctrl = er32(CTRL);
1322
1323 /*
1324 * save CTRL_EXT to restore later, reuse an empty variable (unused
1325 * on mac_type 80003es2lan)
1326 */
1327 adapter->tx_fifo_head = ctrlext;
1328
1329 /* clear the serdes mode bits, putting the device into mac loopback */
1330 ctrlext &= ~E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES;
1331 ew32(CTRL_EXT, ctrlext);
1332
1333 /* force speed to 1000/FD, link up */
1334 ctrl &= ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100);
1335 ctrl |= (E1000_CTRL_SLU | E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX |
1336 E1000_CTRL_SPD_1000 | E1000_CTRL_FD);
1337 ew32(CTRL, ctrl);
1338
1339 /* set mac loopback */
1340 ctrl = er32(RCTL);
1341 ctrl |= E1000_RCTL_LBM_MAC;
1342 ew32(RCTL, ctrl);
1343
1344 /* set testing mode parameters (no need to reset later) */
1345 #define KMRNCTRLSTA_OPMODE (0x1F << 16)
1346 #define KMRNCTRLSTA_OPMODE_1GB_FD_GMII 0x0582
1347 ew32(KMRNCTRLSTA,
1348 (KMRNCTRLSTA_OPMODE | KMRNCTRLSTA_OPMODE_1GB_FD_GMII));
1349
1350 return 0;
1351 }
1352
1353 static int e1000_setup_loopback_test(struct e1000_adapter *adapter)
1354 {
1355 struct e1000_hw *hw = &adapter->hw;
1356 u32 rctl;
1357
1358 if (hw->phy.media_type == e1000_media_type_fiber ||
1359 hw->phy.media_type == e1000_media_type_internal_serdes) {
1360 switch (hw->mac.type) {
1361 case e1000_80003es2lan:
1362 return e1000_set_es2lan_mac_loopback(adapter);
1363 break;
1364 case e1000_82571:
1365 case e1000_82572:
1366 return e1000_set_82571_fiber_loopback(adapter);
1367 break;
1368 default:
1369 rctl = er32(RCTL);
1370 rctl |= E1000_RCTL_LBM_TCVR;
1371 ew32(RCTL, rctl);
1372 return 0;
1373 }
1374 } else if (hw->phy.media_type == e1000_media_type_copper) {
1375 return e1000_integrated_phy_loopback(adapter);
1376 }
1377
1378 return 7;
1379 }
1380
1381 static void e1000_loopback_cleanup(struct e1000_adapter *adapter)
1382 {
1383 struct e1000_hw *hw = &adapter->hw;
1384 u32 rctl;
1385 u16 phy_reg;
1386
1387 rctl = er32(RCTL);
1388 rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
1389 ew32(RCTL, rctl);
1390
1391 switch (hw->mac.type) {
1392 case e1000_80003es2lan:
1393 if (hw->phy.media_type == e1000_media_type_fiber ||
1394 hw->phy.media_type == e1000_media_type_internal_serdes) {
1395 /* restore CTRL_EXT, stealing space from tx_fifo_head */
1396 ew32(CTRL_EXT, adapter->tx_fifo_head);
1397 adapter->tx_fifo_head = 0;
1398 }
1399 /* fall through */
1400 case e1000_82571:
1401 case e1000_82572:
1402 if (hw->phy.media_type == e1000_media_type_fiber ||
1403 hw->phy.media_type == e1000_media_type_internal_serdes) {
1404 #define E1000_SERDES_LB_OFF 0x400
1405 ew32(SCTL, E1000_SERDES_LB_OFF);
1406 msleep(10);
1407 break;
1408 }
1409 /* Fall Through */
1410 default:
1411 hw->mac.autoneg = 1;
1412 if (hw->phy.type == e1000_phy_gg82563)
1413 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x180);
1414 e1e_rphy(hw, PHY_CONTROL, &phy_reg);
1415 if (phy_reg & MII_CR_LOOPBACK) {
1416 phy_reg &= ~MII_CR_LOOPBACK;
1417 e1e_wphy(hw, PHY_CONTROL, phy_reg);
1418 e1000e_commit_phy(hw);
1419 }
1420 break;
1421 }
1422 }
1423
1424 static void e1000_create_lbtest_frame(struct sk_buff *skb,
1425 unsigned int frame_size)
1426 {
1427 memset(skb->data, 0xFF, frame_size);
1428 frame_size &= ~1;
1429 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1430 memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
1431 memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
1432 }
1433
1434 static int e1000_check_lbtest_frame(struct sk_buff *skb,
1435 unsigned int frame_size)
1436 {
1437 frame_size &= ~1;
1438 if (*(skb->data + 3) == 0xFF)
1439 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
1440 (*(skb->data + frame_size / 2 + 12) == 0xAF))
1441 return 0;
1442 return 13;
1443 }
1444
1445 static int e1000_run_loopback_test(struct e1000_adapter *adapter)
1446 {
1447 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1448 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1449 struct pci_dev *pdev = adapter->pdev;
1450 struct e1000_hw *hw = &adapter->hw;
1451 int i, j, k, l;
1452 int lc;
1453 int good_cnt;
1454 int ret_val = 0;
1455 unsigned long time;
1456
1457 ew32(RDT, rx_ring->count - 1);
1458
1459 /*
1460 * Calculate the loop count based on the largest descriptor ring
1461 * The idea is to wrap the largest ring a number of times using 64
1462 * send/receive pairs during each loop
1463 */
1464
1465 if (rx_ring->count <= tx_ring->count)
1466 lc = ((tx_ring->count / 64) * 2) + 1;
1467 else
1468 lc = ((rx_ring->count / 64) * 2) + 1;
1469
1470 k = 0;
1471 l = 0;
1472 for (j = 0; j <= lc; j++) { /* loop count loop */
1473 for (i = 0; i < 64; i++) { /* send the packets */
1474 e1000_create_lbtest_frame(tx_ring->buffer_info[k].skb,
1475 1024);
1476 pci_dma_sync_single_for_device(pdev,
1477 tx_ring->buffer_info[k].dma,
1478 tx_ring->buffer_info[k].length,
1479 PCI_DMA_TODEVICE);
1480 k++;
1481 if (k == tx_ring->count)
1482 k = 0;
1483 }
1484 ew32(TDT, k);
1485 msleep(200);
1486 time = jiffies; /* set the start time for the receive */
1487 good_cnt = 0;
1488 do { /* receive the sent packets */
1489 pci_dma_sync_single_for_cpu(pdev,
1490 rx_ring->buffer_info[l].dma, 2048,
1491 PCI_DMA_FROMDEVICE);
1492
1493 ret_val = e1000_check_lbtest_frame(
1494 rx_ring->buffer_info[l].skb, 1024);
1495 if (!ret_val)
1496 good_cnt++;
1497 l++;
1498 if (l == rx_ring->count)
1499 l = 0;
1500 /*
1501 * time + 20 msecs (200 msecs on 2.4) is more than
1502 * enough time to complete the receives, if it's
1503 * exceeded, break and error off
1504 */
1505 } while ((good_cnt < 64) && !time_after(jiffies, time + 20));
1506 if (good_cnt != 64) {
1507 ret_val = 13; /* ret_val is the same as mis-compare */
1508 break;
1509 }
1510 if (jiffies >= (time + 20)) {
1511 ret_val = 14; /* error code for time out error */
1512 break;
1513 }
1514 } /* end loop count loop */
1515 return ret_val;
1516 }
1517
1518 static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data)
1519 {
1520 /*
1521 * PHY loopback cannot be performed if SoL/IDER
1522 * sessions are active
1523 */
1524 if (e1000_check_reset_block(&adapter->hw)) {
1525 ndev_err(adapter->netdev, "Cannot do PHY loopback test "
1526 "when SoL/IDER is active.\n");
1527 *data = 0;
1528 goto out;
1529 }
1530
1531 *data = e1000_setup_desc_rings(adapter);
1532 if (*data)
1533 goto out;
1534
1535 *data = e1000_setup_loopback_test(adapter);
1536 if (*data)
1537 goto err_loopback;
1538
1539 *data = e1000_run_loopback_test(adapter);
1540 e1000_loopback_cleanup(adapter);
1541
1542 err_loopback:
1543 e1000_free_desc_rings(adapter);
1544 out:
1545 return *data;
1546 }
1547
1548 static int e1000_link_test(struct e1000_adapter *adapter, u64 *data)
1549 {
1550 struct e1000_hw *hw = &adapter->hw;
1551
1552 *data = 0;
1553 if (hw->phy.media_type == e1000_media_type_internal_serdes) {
1554 int i = 0;
1555 hw->mac.serdes_has_link = 0;
1556
1557 /*
1558 * On some blade server designs, link establishment
1559 * could take as long as 2-3 minutes
1560 */
1561 do {
1562 hw->mac.ops.check_for_link(hw);
1563 if (hw->mac.serdes_has_link)
1564 return *data;
1565 msleep(20);
1566 } while (i++ < 3750);
1567
1568 *data = 1;
1569 } else {
1570 hw->mac.ops.check_for_link(hw);
1571 if (hw->mac.autoneg)
1572 msleep(4000);
1573
1574 if (!(er32(STATUS) &
1575 E1000_STATUS_LU))
1576 *data = 1;
1577 }
1578 return *data;
1579 }
1580
1581 static int e1000e_get_sset_count(struct net_device *netdev, int sset)
1582 {
1583 switch (sset) {
1584 case ETH_SS_TEST:
1585 return E1000_TEST_LEN;
1586 case ETH_SS_STATS:
1587 return E1000_STATS_LEN;
1588 default:
1589 return -EOPNOTSUPP;
1590 }
1591 }
1592
1593 static void e1000_diag_test(struct net_device *netdev,
1594 struct ethtool_test *eth_test, u64 *data)
1595 {
1596 struct e1000_adapter *adapter = netdev_priv(netdev);
1597 u16 autoneg_advertised;
1598 u8 forced_speed_duplex;
1599 u8 autoneg;
1600 bool if_running = netif_running(netdev);
1601
1602 set_bit(__E1000_TESTING, &adapter->state);
1603 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1604 /* Offline tests */
1605
1606 /* save speed, duplex, autoneg settings */
1607 autoneg_advertised = adapter->hw.phy.autoneg_advertised;
1608 forced_speed_duplex = adapter->hw.mac.forced_speed_duplex;
1609 autoneg = adapter->hw.mac.autoneg;
1610
1611 ndev_info(netdev, "offline testing starting\n");
1612
1613 /*
1614 * Link test performed before hardware reset so autoneg doesn't
1615 * interfere with test result
1616 */
1617 if (e1000_link_test(adapter, &data[4]))
1618 eth_test->flags |= ETH_TEST_FL_FAILED;
1619
1620 if (if_running)
1621 /* indicate we're in test mode */
1622 dev_close(netdev);
1623 else
1624 e1000e_reset(adapter);
1625
1626 if (e1000_reg_test(adapter, &data[0]))
1627 eth_test->flags |= ETH_TEST_FL_FAILED;
1628
1629 e1000e_reset(adapter);
1630 if (e1000_eeprom_test(adapter, &data[1]))
1631 eth_test->flags |= ETH_TEST_FL_FAILED;
1632
1633 e1000e_reset(adapter);
1634 if (e1000_intr_test(adapter, &data[2]))
1635 eth_test->flags |= ETH_TEST_FL_FAILED;
1636
1637 e1000e_reset(adapter);
1638 /* make sure the phy is powered up */
1639 e1000e_power_up_phy(adapter);
1640 if (e1000_loopback_test(adapter, &data[3]))
1641 eth_test->flags |= ETH_TEST_FL_FAILED;
1642
1643 /* restore speed, duplex, autoneg settings */
1644 adapter->hw.phy.autoneg_advertised = autoneg_advertised;
1645 adapter->hw.mac.forced_speed_duplex = forced_speed_duplex;
1646 adapter->hw.mac.autoneg = autoneg;
1647
1648 /* force this routine to wait until autoneg complete/timeout */
1649 adapter->hw.phy.autoneg_wait_to_complete = 1;
1650 e1000e_reset(adapter);
1651 adapter->hw.phy.autoneg_wait_to_complete = 0;
1652
1653 clear_bit(__E1000_TESTING, &adapter->state);
1654 if (if_running)
1655 dev_open(netdev);
1656 } else {
1657 ndev_info(netdev, "online testing starting\n");
1658 /* Online tests */
1659 if (e1000_link_test(adapter, &data[4]))
1660 eth_test->flags |= ETH_TEST_FL_FAILED;
1661
1662 /* Online tests aren't run; pass by default */
1663 data[0] = 0;
1664 data[1] = 0;
1665 data[2] = 0;
1666 data[3] = 0;
1667
1668 clear_bit(__E1000_TESTING, &adapter->state);
1669 }
1670 msleep_interruptible(4 * 1000);
1671 }
1672
1673 static void e1000_get_wol(struct net_device *netdev,
1674 struct ethtool_wolinfo *wol)
1675 {
1676 struct e1000_adapter *adapter = netdev_priv(netdev);
1677
1678 wol->supported = 0;
1679 wol->wolopts = 0;
1680
1681 if (!(adapter->flags & FLAG_HAS_WOL))
1682 return;
1683
1684 wol->supported = WAKE_UCAST | WAKE_MCAST |
1685 WAKE_BCAST | WAKE_MAGIC |
1686 WAKE_PHY | WAKE_ARP;
1687
1688 /* apply any specific unsupported masks here */
1689 if (adapter->flags & FLAG_NO_WAKE_UCAST) {
1690 wol->supported &= ~WAKE_UCAST;
1691
1692 if (adapter->wol & E1000_WUFC_EX)
1693 ndev_err(netdev, "Interface does not support "
1694 "directed (unicast) frame wake-up packets\n");
1695 }
1696
1697 if (adapter->wol & E1000_WUFC_EX)
1698 wol->wolopts |= WAKE_UCAST;
1699 if (adapter->wol & E1000_WUFC_MC)
1700 wol->wolopts |= WAKE_MCAST;
1701 if (adapter->wol & E1000_WUFC_BC)
1702 wol->wolopts |= WAKE_BCAST;
1703 if (adapter->wol & E1000_WUFC_MAG)
1704 wol->wolopts |= WAKE_MAGIC;
1705 if (adapter->wol & E1000_WUFC_LNKC)
1706 wol->wolopts |= WAKE_PHY;
1707 if (adapter->wol & E1000_WUFC_ARP)
1708 wol->wolopts |= WAKE_ARP;
1709 }
1710
1711 static int e1000_set_wol(struct net_device *netdev,
1712 struct ethtool_wolinfo *wol)
1713 {
1714 struct e1000_adapter *adapter = netdev_priv(netdev);
1715
1716 if (wol->wolopts & WAKE_MAGICSECURE)
1717 return -EOPNOTSUPP;
1718
1719 if (!(adapter->flags & FLAG_HAS_WOL))
1720 return wol->wolopts ? -EOPNOTSUPP : 0;
1721
1722 /* these settings will always override what we currently have */
1723 adapter->wol = 0;
1724
1725 if (wol->wolopts & WAKE_UCAST)
1726 adapter->wol |= E1000_WUFC_EX;
1727 if (wol->wolopts & WAKE_MCAST)
1728 adapter->wol |= E1000_WUFC_MC;
1729 if (wol->wolopts & WAKE_BCAST)
1730 adapter->wol |= E1000_WUFC_BC;
1731 if (wol->wolopts & WAKE_MAGIC)
1732 adapter->wol |= E1000_WUFC_MAG;
1733 if (wol->wolopts & WAKE_PHY)
1734 adapter->wol |= E1000_WUFC_LNKC;
1735 if (wol->wolopts & WAKE_ARP)
1736 adapter->wol |= E1000_WUFC_ARP;
1737
1738 return 0;
1739 }
1740
1741 /* toggle LED 4 times per second = 2 "blinks" per second */
1742 #define E1000_ID_INTERVAL (HZ/4)
1743
1744 /* bit defines for adapter->led_status */
1745 #define E1000_LED_ON 0
1746
1747 static void e1000_led_blink_callback(unsigned long data)
1748 {
1749 struct e1000_adapter *adapter = (struct e1000_adapter *) data;
1750
1751 if (test_and_change_bit(E1000_LED_ON, &adapter->led_status))
1752 adapter->hw.mac.ops.led_off(&adapter->hw);
1753 else
1754 adapter->hw.mac.ops.led_on(&adapter->hw);
1755
1756 mod_timer(&adapter->blink_timer, jiffies + E1000_ID_INTERVAL);
1757 }
1758
1759 static int e1000_phys_id(struct net_device *netdev, u32 data)
1760 {
1761 struct e1000_adapter *adapter = netdev_priv(netdev);
1762
1763 if (!data)
1764 data = INT_MAX;
1765
1766 if (adapter->hw.phy.type == e1000_phy_ife) {
1767 if (!adapter->blink_timer.function) {
1768 init_timer(&adapter->blink_timer);
1769 adapter->blink_timer.function =
1770 e1000_led_blink_callback;
1771 adapter->blink_timer.data = (unsigned long) adapter;
1772 }
1773 mod_timer(&adapter->blink_timer, jiffies);
1774 msleep_interruptible(data * 1000);
1775 del_timer_sync(&adapter->blink_timer);
1776 e1e_wphy(&adapter->hw,
1777 IFE_PHY_SPECIAL_CONTROL_LED, 0);
1778 } else {
1779 e1000e_blink_led(&adapter->hw);
1780 msleep_interruptible(data * 1000);
1781 }
1782
1783 adapter->hw.mac.ops.led_off(&adapter->hw);
1784 clear_bit(E1000_LED_ON, &adapter->led_status);
1785 adapter->hw.mac.ops.cleanup_led(&adapter->hw);
1786
1787 return 0;
1788 }
1789
1790 static int e1000_get_coalesce(struct net_device *netdev,
1791 struct ethtool_coalesce *ec)
1792 {
1793 struct e1000_adapter *adapter = netdev_priv(netdev);
1794
1795 if (adapter->itr_setting <= 3)
1796 ec->rx_coalesce_usecs = adapter->itr_setting;
1797 else
1798 ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting;
1799
1800 return 0;
1801 }
1802
1803 static int e1000_set_coalesce(struct net_device *netdev,
1804 struct ethtool_coalesce *ec)
1805 {
1806 struct e1000_adapter *adapter = netdev_priv(netdev);
1807 struct e1000_hw *hw = &adapter->hw;
1808
1809 if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) ||
1810 ((ec->rx_coalesce_usecs > 3) &&
1811 (ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) ||
1812 (ec->rx_coalesce_usecs == 2))
1813 return -EINVAL;
1814
1815 if (ec->rx_coalesce_usecs <= 3) {
1816 adapter->itr = 20000;
1817 adapter->itr_setting = ec->rx_coalesce_usecs;
1818 } else {
1819 adapter->itr = (1000000 / ec->rx_coalesce_usecs);
1820 adapter->itr_setting = adapter->itr & ~3;
1821 }
1822
1823 if (adapter->itr_setting != 0)
1824 ew32(ITR, 1000000000 / (adapter->itr * 256));
1825 else
1826 ew32(ITR, 0);
1827
1828 return 0;
1829 }
1830
1831 static int e1000_nway_reset(struct net_device *netdev)
1832 {
1833 struct e1000_adapter *adapter = netdev_priv(netdev);
1834 if (netif_running(netdev))
1835 e1000e_reinit_locked(adapter);
1836 return 0;
1837 }
1838
1839 static void e1000_get_ethtool_stats(struct net_device *netdev,
1840 struct ethtool_stats *stats,
1841 u64 *data)
1842 {
1843 struct e1000_adapter *adapter = netdev_priv(netdev);
1844 int i;
1845
1846 e1000e_update_stats(adapter);
1847 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1848 char *p = (char *)adapter+e1000_gstrings_stats[i].stat_offset;
1849 data[i] = (e1000_gstrings_stats[i].sizeof_stat ==
1850 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1851 }
1852 }
1853
1854 static void e1000_get_strings(struct net_device *netdev, u32 stringset,
1855 u8 *data)
1856 {
1857 u8 *p = data;
1858 int i;
1859
1860 switch (stringset) {
1861 case ETH_SS_TEST:
1862 memcpy(data, *e1000_gstrings_test, sizeof(e1000_gstrings_test));
1863 break;
1864 case ETH_SS_STATS:
1865 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1866 memcpy(p, e1000_gstrings_stats[i].stat_string,
1867 ETH_GSTRING_LEN);
1868 p += ETH_GSTRING_LEN;
1869 }
1870 break;
1871 }
1872 }
1873
1874 static const struct ethtool_ops e1000_ethtool_ops = {
1875 .get_settings = e1000_get_settings,
1876 .set_settings = e1000_set_settings,
1877 .get_drvinfo = e1000_get_drvinfo,
1878 .get_regs_len = e1000_get_regs_len,
1879 .get_regs = e1000_get_regs,
1880 .get_wol = e1000_get_wol,
1881 .set_wol = e1000_set_wol,
1882 .get_msglevel = e1000_get_msglevel,
1883 .set_msglevel = e1000_set_msglevel,
1884 .nway_reset = e1000_nway_reset,
1885 .get_link = e1000_get_link,
1886 .get_eeprom_len = e1000_get_eeprom_len,
1887 .get_eeprom = e1000_get_eeprom,
1888 .set_eeprom = e1000_set_eeprom,
1889 .get_ringparam = e1000_get_ringparam,
1890 .set_ringparam = e1000_set_ringparam,
1891 .get_pauseparam = e1000_get_pauseparam,
1892 .set_pauseparam = e1000_set_pauseparam,
1893 .get_rx_csum = e1000_get_rx_csum,
1894 .set_rx_csum = e1000_set_rx_csum,
1895 .get_tx_csum = e1000_get_tx_csum,
1896 .set_tx_csum = e1000_set_tx_csum,
1897 .get_sg = ethtool_op_get_sg,
1898 .set_sg = ethtool_op_set_sg,
1899 .get_tso = ethtool_op_get_tso,
1900 .set_tso = e1000_set_tso,
1901 .self_test = e1000_diag_test,
1902 .get_strings = e1000_get_strings,
1903 .phys_id = e1000_phys_id,
1904 .get_ethtool_stats = e1000_get_ethtool_stats,
1905 .get_sset_count = e1000e_get_sset_count,
1906 .get_coalesce = e1000_get_coalesce,
1907 .set_coalesce = e1000_set_coalesce,
1908 };
1909
1910 void e1000e_set_ethtool_ops(struct net_device *netdev)
1911 {
1912 SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops);
1913 }
Support for the Chinese Samsung S3C2440 based development boards