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drivers/staging/speakup/devsynth.c: fix "buffer size is not provably correct" error
[linux-2.6/next.git] / drivers / net / e1000 / e1000_ethtool.c
blobc5f0f04219f3a3040d04d6a34f8e311b1ad22d29
1 /*******************************************************************************
2
3 Intel PRO/1000 Linux driver
4 Copyright(c) 1999 - 2006 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 "e1000.h"
32 #include <asm/uaccess.h>
33
34 enum {NETDEV_STATS, E1000_STATS};
35
36 struct e1000_stats {
37 char stat_string[ETH_GSTRING_LEN];
38 int type;
39 int sizeof_stat;
40 int stat_offset;
41 };
42
43 #define E1000_STAT(m) E1000_STATS, \
44 sizeof(((struct e1000_adapter *)0)->m), \
45 offsetof(struct e1000_adapter, m)
46 #define E1000_NETDEV_STAT(m) NETDEV_STATS, \
47 sizeof(((struct net_device *)0)->m), \
48 offsetof(struct net_device, m)
49
50 static const struct e1000_stats e1000_gstrings_stats[] = {
51 { "rx_packets", E1000_STAT(stats.gprc) },
52 { "tx_packets", E1000_STAT(stats.gptc) },
53 { "rx_bytes", E1000_STAT(stats.gorcl) },
54 { "tx_bytes", E1000_STAT(stats.gotcl) },
55 { "rx_broadcast", E1000_STAT(stats.bprc) },
56 { "tx_broadcast", E1000_STAT(stats.bptc) },
57 { "rx_multicast", E1000_STAT(stats.mprc) },
58 { "tx_multicast", E1000_STAT(stats.mptc) },
59 { "rx_errors", E1000_STAT(stats.rxerrc) },
60 { "tx_errors", E1000_STAT(stats.txerrc) },
61 { "tx_dropped", E1000_NETDEV_STAT(stats.tx_dropped) },
62 { "multicast", E1000_STAT(stats.mprc) },
63 { "collisions", E1000_STAT(stats.colc) },
64 { "rx_length_errors", E1000_STAT(stats.rlerrc) },
65 { "rx_over_errors", E1000_NETDEV_STAT(stats.rx_over_errors) },
66 { "rx_crc_errors", E1000_STAT(stats.crcerrs) },
67 { "rx_frame_errors", E1000_NETDEV_STAT(stats.rx_frame_errors) },
68 { "rx_no_buffer_count", E1000_STAT(stats.rnbc) },
69 { "rx_missed_errors", E1000_STAT(stats.mpc) },
70 { "tx_aborted_errors", E1000_STAT(stats.ecol) },
71 { "tx_carrier_errors", E1000_STAT(stats.tncrs) },
72 { "tx_fifo_errors", E1000_NETDEV_STAT(stats.tx_fifo_errors) },
73 { "tx_heartbeat_errors", E1000_NETDEV_STAT(stats.tx_heartbeat_errors) },
74 { "tx_window_errors", E1000_STAT(stats.latecol) },
75 { "tx_abort_late_coll", E1000_STAT(stats.latecol) },
76 { "tx_deferred_ok", E1000_STAT(stats.dc) },
77 { "tx_single_coll_ok", E1000_STAT(stats.scc) },
78 { "tx_multi_coll_ok", E1000_STAT(stats.mcc) },
79 { "tx_timeout_count", E1000_STAT(tx_timeout_count) },
80 { "tx_restart_queue", E1000_STAT(restart_queue) },
81 { "rx_long_length_errors", E1000_STAT(stats.roc) },
82 { "rx_short_length_errors", E1000_STAT(stats.ruc) },
83 { "rx_align_errors", E1000_STAT(stats.algnerrc) },
84 { "tx_tcp_seg_good", E1000_STAT(stats.tsctc) },
85 { "tx_tcp_seg_failed", E1000_STAT(stats.tsctfc) },
86 { "rx_flow_control_xon", E1000_STAT(stats.xonrxc) },
87 { "rx_flow_control_xoff", E1000_STAT(stats.xoffrxc) },
88 { "tx_flow_control_xon", E1000_STAT(stats.xontxc) },
89 { "tx_flow_control_xoff", E1000_STAT(stats.xofftxc) },
90 { "rx_long_byte_count", E1000_STAT(stats.gorcl) },
91 { "rx_csum_offload_good", E1000_STAT(hw_csum_good) },
92 { "rx_csum_offload_errors", E1000_STAT(hw_csum_err) },
93 { "alloc_rx_buff_failed", E1000_STAT(alloc_rx_buff_failed) },
94 { "tx_smbus", E1000_STAT(stats.mgptc) },
95 { "rx_smbus", E1000_STAT(stats.mgprc) },
96 { "dropped_smbus", E1000_STAT(stats.mgpdc) },
97 };
98
99 #define E1000_QUEUE_STATS_LEN 0
100 #define E1000_GLOBAL_STATS_LEN ARRAY_SIZE(e1000_gstrings_stats)
101 #define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN + E1000_QUEUE_STATS_LEN)
102 static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = {
103 "Register test (offline)", "Eeprom test (offline)",
104 "Interrupt test (offline)", "Loopback test (offline)",
105 "Link test (on/offline)"
106 };
107 #define E1000_TEST_LEN ARRAY_SIZE(e1000_gstrings_test)
108
109 static int e1000_get_settings(struct net_device *netdev,
110 struct ethtool_cmd *ecmd)
111 {
112 struct e1000_adapter *adapter = netdev_priv(netdev);
113 struct e1000_hw *hw = &adapter->hw;
114
115 if (hw->media_type == e1000_media_type_copper) {
116
117 ecmd->supported = (SUPPORTED_10baseT_Half |
118 SUPPORTED_10baseT_Full |
119 SUPPORTED_100baseT_Half |
120 SUPPORTED_100baseT_Full |
121 SUPPORTED_1000baseT_Full|
122 SUPPORTED_Autoneg |
123 SUPPORTED_TP);
124 ecmd->advertising = ADVERTISED_TP;
125
126 if (hw->autoneg == 1) {
127 ecmd->advertising |= ADVERTISED_Autoneg;
128 /* the e1000 autoneg seems to match ethtool nicely */
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 (er32(STATUS) & E1000_STATUS_LU) {
158
159 e1000_get_speed_and_duplex(hw, &adapter->link_speed,
160 &adapter->link_duplex);
161 ethtool_cmd_speed_set(ecmd, adapter->link_speed);
162
163 /* unfortunately 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 ethtool_cmd_speed_set(ecmd, -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 e1000_set_settings(struct net_device *netdev,
181 struct ethtool_cmd *ecmd)
182 {
183 struct e1000_adapter *adapter = netdev_priv(netdev);
184 struct e1000_hw *hw = &adapter->hw;
185
186 while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
187 msleep(1);
188
189 if (ecmd->autoneg == AUTONEG_ENABLE) {
190 hw->autoneg = 1;
191 if (hw->media_type == e1000_media_type_fiber)
192 hw->autoneg_advertised = ADVERTISED_1000baseT_Full |
193 ADVERTISED_FIBRE |
194 ADVERTISED_Autoneg;
195 else
196 hw->autoneg_advertised = ecmd->advertising |
197 ADVERTISED_TP |
198 ADVERTISED_Autoneg;
199 ecmd->advertising = hw->autoneg_advertised;
200 } else {
201 u32 speed = ethtool_cmd_speed(ecmd);
202 if (e1000_set_spd_dplx(adapter, speed, ecmd->duplex)) {
203 clear_bit(__E1000_RESETTING, &adapter->flags);
204 return -EINVAL;
205 }
206 }
207
208 /* reset the link */
209
210 if (netif_running(adapter->netdev)) {
211 e1000_down(adapter);
212 e1000_up(adapter);
213 } else
214 e1000_reset(adapter);
215
216 clear_bit(__E1000_RESETTING, &adapter->flags);
217 return 0;
218 }
219
220 static u32 e1000_get_link(struct net_device *netdev)
221 {
222 struct e1000_adapter *adapter = netdev_priv(netdev);
223
224 /*
225 * If the link is not reported up to netdev, interrupts are disabled,
226 * and so the physical link state may have changed since we last
227 * looked. Set get_link_status to make sure that the true link
228 * state is interrogated, rather than pulling a cached and possibly
229 * stale link state from the driver.
230 */
231 if (!netif_carrier_ok(netdev))
232 adapter->hw.get_link_status = 1;
233
234 return e1000_has_link(adapter);
235 }
236
237 static void e1000_get_pauseparam(struct net_device *netdev,
238 struct ethtool_pauseparam *pause)
239 {
240 struct e1000_adapter *adapter = netdev_priv(netdev);
241 struct e1000_hw *hw = &adapter->hw;
242
243 pause->autoneg =
244 (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE);
245
246 if (hw->fc == E1000_FC_RX_PAUSE)
247 pause->rx_pause = 1;
248 else if (hw->fc == E1000_FC_TX_PAUSE)
249 pause->tx_pause = 1;
250 else if (hw->fc == E1000_FC_FULL) {
251 pause->rx_pause = 1;
252 pause->tx_pause = 1;
253 }
254 }
255
256 static int e1000_set_pauseparam(struct net_device *netdev,
257 struct ethtool_pauseparam *pause)
258 {
259 struct e1000_adapter *adapter = netdev_priv(netdev);
260 struct e1000_hw *hw = &adapter->hw;
261 int retval = 0;
262
263 adapter->fc_autoneg = pause->autoneg;
264
265 while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
266 msleep(1);
267
268 if (pause->rx_pause && pause->tx_pause)
269 hw->fc = E1000_FC_FULL;
270 else if (pause->rx_pause && !pause->tx_pause)
271 hw->fc = E1000_FC_RX_PAUSE;
272 else if (!pause->rx_pause && pause->tx_pause)
273 hw->fc = E1000_FC_TX_PAUSE;
274 else if (!pause->rx_pause && !pause->tx_pause)
275 hw->fc = E1000_FC_NONE;
276
277 hw->original_fc = hw->fc;
278
279 if (adapter->fc_autoneg == AUTONEG_ENABLE) {
280 if (netif_running(adapter->netdev)) {
281 e1000_down(adapter);
282 e1000_up(adapter);
283 } else
284 e1000_reset(adapter);
285 } else
286 retval = ((hw->media_type == e1000_media_type_fiber) ?
287 e1000_setup_link(hw) : e1000_force_mac_fc(hw));
288
289 clear_bit(__E1000_RESETTING, &adapter->flags);
290 return retval;
291 }
292
293 static u32 e1000_get_msglevel(struct net_device *netdev)
294 {
295 struct e1000_adapter *adapter = netdev_priv(netdev);
296 return adapter->msg_enable;
297 }
298
299 static void e1000_set_msglevel(struct net_device *netdev, u32 data)
300 {
301 struct e1000_adapter *adapter = netdev_priv(netdev);
302 adapter->msg_enable = data;
303 }
304
305 static int e1000_get_regs_len(struct net_device *netdev)
306 {
307 #define E1000_REGS_LEN 32
308 return E1000_REGS_LEN * sizeof(u32);
309 }
310
311 static void e1000_get_regs(struct net_device *netdev, struct ethtool_regs *regs,
312 void *p)
313 {
314 struct e1000_adapter *adapter = netdev_priv(netdev);
315 struct e1000_hw *hw = &adapter->hw;
316 u32 *regs_buff = p;
317 u16 phy_data;
318
319 memset(p, 0, E1000_REGS_LEN * sizeof(u32));
320
321 regs->version = (1 << 24) | (hw->revision_id << 16) | hw->device_id;
322
323 regs_buff[0] = er32(CTRL);
324 regs_buff[1] = er32(STATUS);
325
326 regs_buff[2] = er32(RCTL);
327 regs_buff[3] = er32(RDLEN);
328 regs_buff[4] = er32(RDH);
329 regs_buff[5] = er32(RDT);
330 regs_buff[6] = er32(RDTR);
331
332 regs_buff[7] = er32(TCTL);
333 regs_buff[8] = er32(TDLEN);
334 regs_buff[9] = er32(TDH);
335 regs_buff[10] = er32(TDT);
336 regs_buff[11] = er32(TIDV);
337
338 regs_buff[12] = hw->phy_type; /* PHY type (IGP=1, M88=0) */
339 if (hw->phy_type == e1000_phy_igp) {
340 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
341 IGP01E1000_PHY_AGC_A);
342 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_A &
343 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
344 regs_buff[13] = (u32)phy_data; /* cable length */
345 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
346 IGP01E1000_PHY_AGC_B);
347 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_B &
348 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
349 regs_buff[14] = (u32)phy_data; /* cable length */
350 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
351 IGP01E1000_PHY_AGC_C);
352 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_C &
353 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
354 regs_buff[15] = (u32)phy_data; /* cable length */
355 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
356 IGP01E1000_PHY_AGC_D);
357 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_D &
358 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
359 regs_buff[16] = (u32)phy_data; /* cable length */
360 regs_buff[17] = 0; /* extended 10bt distance (not needed) */
361 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0);
362 e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_STATUS &
363 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
364 regs_buff[18] = (u32)phy_data; /* cable polarity */
365 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
366 IGP01E1000_PHY_PCS_INIT_REG);
367 e1000_read_phy_reg(hw, IGP01E1000_PHY_PCS_INIT_REG &
368 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
369 regs_buff[19] = (u32)phy_data; /* cable polarity */
370 regs_buff[20] = 0; /* polarity correction enabled (always) */
371 regs_buff[22] = 0; /* phy receive errors (unavailable) */
372 regs_buff[23] = regs_buff[18]; /* mdix mode */
373 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0);
374 } else {
375 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
376 regs_buff[13] = (u32)phy_data; /* cable length */
377 regs_buff[14] = 0; /* Dummy (to align w/ IGP phy reg dump) */
378 regs_buff[15] = 0; /* Dummy (to align w/ IGP phy reg dump) */
379 regs_buff[16] = 0; /* Dummy (to align w/ IGP phy reg dump) */
380 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
381 regs_buff[17] = (u32)phy_data; /* extended 10bt distance */
382 regs_buff[18] = regs_buff[13]; /* cable polarity */
383 regs_buff[19] = 0; /* Dummy (to align w/ IGP phy reg dump) */
384 regs_buff[20] = regs_buff[17]; /* polarity correction */
385 /* phy receive errors */
386 regs_buff[22] = adapter->phy_stats.receive_errors;
387 regs_buff[23] = regs_buff[13]; /* mdix mode */
388 }
389 regs_buff[21] = adapter->phy_stats.idle_errors; /* phy idle errors */
390 e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_data);
391 regs_buff[24] = (u32)phy_data; /* phy local receiver status */
392 regs_buff[25] = regs_buff[24]; /* phy remote receiver status */
393 if (hw->mac_type >= e1000_82540 &&
394 hw->media_type == e1000_media_type_copper) {
395 regs_buff[26] = er32(MANC);
396 }
397 }
398
399 static int e1000_get_eeprom_len(struct net_device *netdev)
400 {
401 struct e1000_adapter *adapter = netdev_priv(netdev);
402 struct e1000_hw *hw = &adapter->hw;
403
404 return hw->eeprom.word_size * 2;
405 }
406
407 static int e1000_get_eeprom(struct net_device *netdev,
408 struct ethtool_eeprom *eeprom, u8 *bytes)
409 {
410 struct e1000_adapter *adapter = netdev_priv(netdev);
411 struct e1000_hw *hw = &adapter->hw;
412 u16 *eeprom_buff;
413 int first_word, last_word;
414 int ret_val = 0;
415 u16 i;
416
417 if (eeprom->len == 0)
418 return -EINVAL;
419
420 eeprom->magic = hw->vendor_id | (hw->device_id << 16);
421
422 first_word = eeprom->offset >> 1;
423 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
424
425 eeprom_buff = kmalloc(sizeof(u16) *
426 (last_word - first_word + 1), GFP_KERNEL);
427 if (!eeprom_buff)
428 return -ENOMEM;
429
430 if (hw->eeprom.type == e1000_eeprom_spi)
431 ret_val = e1000_read_eeprom(hw, first_word,
432 last_word - first_word + 1,
433 eeprom_buff);
434 else {
435 for (i = 0; i < last_word - first_word + 1; i++) {
436 ret_val = e1000_read_eeprom(hw, first_word + i, 1,
437 &eeprom_buff[i]);
438 if (ret_val)
439 break;
440 }
441 }
442
443 /* Device's eeprom is always little-endian, word addressable */
444 for (i = 0; i < last_word - first_word + 1; i++)
445 le16_to_cpus(&eeprom_buff[i]);
446
447 memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1),
448 eeprom->len);
449 kfree(eeprom_buff);
450
451 return ret_val;
452 }
453
454 static int e1000_set_eeprom(struct net_device *netdev,
455 struct ethtool_eeprom *eeprom, u8 *bytes)
456 {
457 struct e1000_adapter *adapter = netdev_priv(netdev);
458 struct e1000_hw *hw = &adapter->hw;
459 u16 *eeprom_buff;
460 void *ptr;
461 int max_len, first_word, last_word, ret_val = 0;
462 u16 i;
463
464 if (eeprom->len == 0)
465 return -EOPNOTSUPP;
466
467 if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
468 return -EFAULT;
469
470 max_len = hw->eeprom.word_size * 2;
471
472 first_word = eeprom->offset >> 1;
473 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
474 eeprom_buff = kmalloc(max_len, GFP_KERNEL);
475 if (!eeprom_buff)
476 return -ENOMEM;
477
478 ptr = (void *)eeprom_buff;
479
480 if (eeprom->offset & 1) {
481 /* need read/modify/write of first changed EEPROM word */
482 /* only the second byte of the word is being modified */
483 ret_val = e1000_read_eeprom(hw, first_word, 1,
484 &eeprom_buff[0]);
485 ptr++;
486 }
487 if (((eeprom->offset + eeprom->len) & 1) && (ret_val == 0)) {
488 /* need read/modify/write of last changed EEPROM word */
489 /* only the first byte of the word is being modified */
490 ret_val = e1000_read_eeprom(hw, last_word, 1,
491 &eeprom_buff[last_word - first_word]);
492 }
493
494 /* Device's eeprom is always little-endian, word addressable */
495 for (i = 0; i < last_word - first_word + 1; i++)
496 le16_to_cpus(&eeprom_buff[i]);
497
498 memcpy(ptr, bytes, eeprom->len);
499
500 for (i = 0; i < last_word - first_word + 1; i++)
501 eeprom_buff[i] = cpu_to_le16(eeprom_buff[i]);
502
503 ret_val = e1000_write_eeprom(hw, first_word,
504 last_word - first_word + 1, eeprom_buff);
505
506 /* Update the checksum over the first part of the EEPROM if needed */
507 if ((ret_val == 0) && (first_word <= EEPROM_CHECKSUM_REG))
508 e1000_update_eeprom_checksum(hw);
509
510 kfree(eeprom_buff);
511 return ret_val;
512 }
513
514 static void e1000_get_drvinfo(struct net_device *netdev,
515 struct ethtool_drvinfo *drvinfo)
516 {
517 struct e1000_adapter *adapter = netdev_priv(netdev);
518 char firmware_version[32];
519
520 strncpy(drvinfo->driver, e1000_driver_name, 32);
521 strncpy(drvinfo->version, e1000_driver_version, 32);
522
523 sprintf(firmware_version, "N/A");
524 strncpy(drvinfo->fw_version, firmware_version, 32);
525 strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
526 drvinfo->regdump_len = e1000_get_regs_len(netdev);
527 drvinfo->eedump_len = e1000_get_eeprom_len(netdev);
528 }
529
530 static void e1000_get_ringparam(struct net_device *netdev,
531 struct ethtool_ringparam *ring)
532 {
533 struct e1000_adapter *adapter = netdev_priv(netdev);
534 struct e1000_hw *hw = &adapter->hw;
535 e1000_mac_type mac_type = hw->mac_type;
536 struct e1000_tx_ring *txdr = adapter->tx_ring;
537 struct e1000_rx_ring *rxdr = adapter->rx_ring;
538
539 ring->rx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_RXD :
540 E1000_MAX_82544_RXD;
541 ring->tx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_TXD :
542 E1000_MAX_82544_TXD;
543 ring->rx_mini_max_pending = 0;
544 ring->rx_jumbo_max_pending = 0;
545 ring->rx_pending = rxdr->count;
546 ring->tx_pending = txdr->count;
547 ring->rx_mini_pending = 0;
548 ring->rx_jumbo_pending = 0;
549 }
550
551 static int e1000_set_ringparam(struct net_device *netdev,
552 struct ethtool_ringparam *ring)
553 {
554 struct e1000_adapter *adapter = netdev_priv(netdev);
555 struct e1000_hw *hw = &adapter->hw;
556 e1000_mac_type mac_type = hw->mac_type;
557 struct e1000_tx_ring *txdr, *tx_old;
558 struct e1000_rx_ring *rxdr, *rx_old;
559 int i, err;
560
561 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
562 return -EINVAL;
563
564 while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
565 msleep(1);
566
567 if (netif_running(adapter->netdev))
568 e1000_down(adapter);
569
570 tx_old = adapter->tx_ring;
571 rx_old = adapter->rx_ring;
572
573 err = -ENOMEM;
574 txdr = kcalloc(adapter->num_tx_queues, sizeof(struct e1000_tx_ring), GFP_KERNEL);
575 if (!txdr)
576 goto err_alloc_tx;
577
578 rxdr = kcalloc(adapter->num_rx_queues, sizeof(struct e1000_rx_ring), GFP_KERNEL);
579 if (!rxdr)
580 goto err_alloc_rx;
581
582 adapter->tx_ring = txdr;
583 adapter->rx_ring = rxdr;
584
585 rxdr->count = max(ring->rx_pending,(u32)E1000_MIN_RXD);
586 rxdr->count = min(rxdr->count,(u32)(mac_type < e1000_82544 ?
587 E1000_MAX_RXD : E1000_MAX_82544_RXD));
588 rxdr->count = ALIGN(rxdr->count, REQ_RX_DESCRIPTOR_MULTIPLE);
589
590 txdr->count = max(ring->tx_pending,(u32)E1000_MIN_TXD);
591 txdr->count = min(txdr->count,(u32)(mac_type < e1000_82544 ?
592 E1000_MAX_TXD : E1000_MAX_82544_TXD));
593 txdr->count = ALIGN(txdr->count, REQ_TX_DESCRIPTOR_MULTIPLE);
594
595 for (i = 0; i < adapter->num_tx_queues; i++)
596 txdr[i].count = txdr->count;
597 for (i = 0; i < adapter->num_rx_queues; i++)
598 rxdr[i].count = rxdr->count;
599
600 if (netif_running(adapter->netdev)) {
601 /* Try to get new resources before deleting old */
602 err = e1000_setup_all_rx_resources(adapter);
603 if (err)
604 goto err_setup_rx;
605 err = e1000_setup_all_tx_resources(adapter);
606 if (err)
607 goto err_setup_tx;
608
609 /* save the new, restore the old in order to free it,
610 * then restore the new back again */
611
612 adapter->rx_ring = rx_old;
613 adapter->tx_ring = tx_old;
614 e1000_free_all_rx_resources(adapter);
615 e1000_free_all_tx_resources(adapter);
616 kfree(tx_old);
617 kfree(rx_old);
618 adapter->rx_ring = rxdr;
619 adapter->tx_ring = txdr;
620 err = e1000_up(adapter);
621 if (err)
622 goto err_setup;
623 }
624
625 clear_bit(__E1000_RESETTING, &adapter->flags);
626 return 0;
627 err_setup_tx:
628 e1000_free_all_rx_resources(adapter);
629 err_setup_rx:
630 adapter->rx_ring = rx_old;
631 adapter->tx_ring = tx_old;
632 kfree(rxdr);
633 err_alloc_rx:
634 kfree(txdr);
635 err_alloc_tx:
636 e1000_up(adapter);
637 err_setup:
638 clear_bit(__E1000_RESETTING, &adapter->flags);
639 return err;
640 }
641
642 static bool reg_pattern_test(struct e1000_adapter *adapter, u64 *data, int reg,
643 u32 mask, u32 write)
644 {
645 struct e1000_hw *hw = &adapter->hw;
646 static const u32 test[] =
647 {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF};
648 u8 __iomem *address = hw->hw_addr + reg;
649 u32 read;
650 int i;
651
652 for (i = 0; i < ARRAY_SIZE(test); i++) {
653 writel(write & test[i], address);
654 read = readl(address);
655 if (read != (write & test[i] & mask)) {
656 e_err(drv, "pattern test reg %04X failed: "
657 "got 0x%08X expected 0x%08X\n",
658 reg, read, (write & test[i] & mask));
659 *data = reg;
660 return true;
661 }
662 }
663 return false;
664 }
665
666 static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data, int reg,
667 u32 mask, u32 write)
668 {
669 struct e1000_hw *hw = &adapter->hw;
670 u8 __iomem *address = hw->hw_addr + reg;
671 u32 read;
672
673 writel(write & mask, address);
674 read = readl(address);
675 if ((read & mask) != (write & mask)) {
676 e_err(drv, "set/check reg %04X test failed: "
677 "got 0x%08X expected 0x%08X\n",
678 reg, (read & mask), (write & mask));
679 *data = reg;
680 return true;
681 }
682 return false;
683 }
684
685 #define REG_PATTERN_TEST(reg, mask, write) \
686 do { \
687 if (reg_pattern_test(adapter, data, \
688 (hw->mac_type >= e1000_82543) \
689 ? E1000_##reg : E1000_82542_##reg, \
690 mask, write)) \
691 return 1; \
692 } while (0)
693
694 #define REG_SET_AND_CHECK(reg, mask, write) \
695 do { \
696 if (reg_set_and_check(adapter, data, \
697 (hw->mac_type >= e1000_82543) \
698 ? E1000_##reg : E1000_82542_##reg, \
699 mask, write)) \
700 return 1; \
701 } while (0)
702
703 static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data)
704 {
705 u32 value, before, after;
706 u32 i, toggle;
707 struct e1000_hw *hw = &adapter->hw;
708
709 /* The status register is Read Only, so a write should fail.
710 * Some bits that get toggled are ignored.
711 */
712
713 /* there are several bits on newer hardware that are r/w */
714 toggle = 0xFFFFF833;
715
716 before = er32(STATUS);
717 value = (er32(STATUS) & toggle);
718 ew32(STATUS, toggle);
719 after = er32(STATUS) & toggle;
720 if (value != after) {
721 e_err(drv, "failed STATUS register test got: "
722 "0x%08X expected: 0x%08X\n", after, value);
723 *data = 1;
724 return 1;
725 }
726 /* restore previous status */
727 ew32(STATUS, before);
728
729 REG_PATTERN_TEST(FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
730 REG_PATTERN_TEST(FCAH, 0x0000FFFF, 0xFFFFFFFF);
731 REG_PATTERN_TEST(FCT, 0x0000FFFF, 0xFFFFFFFF);
732 REG_PATTERN_TEST(VET, 0x0000FFFF, 0xFFFFFFFF);
733
734 REG_PATTERN_TEST(RDTR, 0x0000FFFF, 0xFFFFFFFF);
735 REG_PATTERN_TEST(RDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
736 REG_PATTERN_TEST(RDLEN, 0x000FFF80, 0x000FFFFF);
737 REG_PATTERN_TEST(RDH, 0x0000FFFF, 0x0000FFFF);
738 REG_PATTERN_TEST(RDT, 0x0000FFFF, 0x0000FFFF);
739 REG_PATTERN_TEST(FCRTH, 0x0000FFF8, 0x0000FFF8);
740 REG_PATTERN_TEST(FCTTV, 0x0000FFFF, 0x0000FFFF);
741 REG_PATTERN_TEST(TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
742 REG_PATTERN_TEST(TDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
743 REG_PATTERN_TEST(TDLEN, 0x000FFF80, 0x000FFFFF);
744
745 REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x00000000);
746
747 before = 0x06DFB3FE;
748 REG_SET_AND_CHECK(RCTL, before, 0x003FFFFB);
749 REG_SET_AND_CHECK(TCTL, 0xFFFFFFFF, 0x00000000);
750
751 if (hw->mac_type >= e1000_82543) {
752
753 REG_SET_AND_CHECK(RCTL, before, 0xFFFFFFFF);
754 REG_PATTERN_TEST(RDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
755 REG_PATTERN_TEST(TXCW, 0xC000FFFF, 0x0000FFFF);
756 REG_PATTERN_TEST(TDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
757 REG_PATTERN_TEST(TIDV, 0x0000FFFF, 0x0000FFFF);
758 value = E1000_RAR_ENTRIES;
759 for (i = 0; i < value; i++) {
760 REG_PATTERN_TEST(RA + (((i << 1) + 1) << 2), 0x8003FFFF,
761 0xFFFFFFFF);
762 }
763
764 } else {
765
766 REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x01FFFFFF);
767 REG_PATTERN_TEST(RDBAL, 0xFFFFF000, 0xFFFFFFFF);
768 REG_PATTERN_TEST(TXCW, 0x0000FFFF, 0x0000FFFF);
769 REG_PATTERN_TEST(TDBAL, 0xFFFFF000, 0xFFFFFFFF);
770
771 }
772
773 value = E1000_MC_TBL_SIZE;
774 for (i = 0; i < value; i++)
775 REG_PATTERN_TEST(MTA + (i << 2), 0xFFFFFFFF, 0xFFFFFFFF);
776
777 *data = 0;
778 return 0;
779 }
780
781 static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data)
782 {
783 struct e1000_hw *hw = &adapter->hw;
784 u16 temp;
785 u16 checksum = 0;
786 u16 i;
787
788 *data = 0;
789 /* Read and add up the contents of the EEPROM */
790 for (i = 0; i < (EEPROM_CHECKSUM_REG + 1); i++) {
791 if ((e1000_read_eeprom(hw, i, 1, &temp)) < 0) {
792 *data = 1;
793 break;
794 }
795 checksum += temp;
796 }
797
798 /* If Checksum is not Correct return error else test passed */
799 if ((checksum != (u16)EEPROM_SUM) && !(*data))
800 *data = 2;
801
802 return *data;
803 }
804
805 static irqreturn_t e1000_test_intr(int irq, void *data)
806 {
807 struct net_device *netdev = (struct net_device *)data;
808 struct e1000_adapter *adapter = netdev_priv(netdev);
809 struct e1000_hw *hw = &adapter->hw;
810
811 adapter->test_icr |= er32(ICR);
812
813 return IRQ_HANDLED;
814 }
815
816 static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data)
817 {
818 struct net_device *netdev = adapter->netdev;
819 u32 mask, i = 0;
820 bool shared_int = true;
821 u32 irq = adapter->pdev->irq;
822 struct e1000_hw *hw = &adapter->hw;
823
824 *data = 0;
825
826 /* NOTE: we don't test MSI interrupts here, yet */
827 /* Hook up test interrupt handler just for this test */
828 if (!request_irq(irq, e1000_test_intr, IRQF_PROBE_SHARED, netdev->name,
829 netdev))
830 shared_int = false;
831 else if (request_irq(irq, e1000_test_intr, IRQF_SHARED,
832 netdev->name, netdev)) {
833 *data = 1;
834 return -1;
835 }
836 e_info(hw, "testing %s interrupt\n", (shared_int ?
837 "shared" : "unshared"));
838
839 /* Disable all the interrupts */
840 ew32(IMC, 0xFFFFFFFF);
841 msleep(10);
842
843 /* Test each interrupt */
844 for (; i < 10; i++) {
845
846 /* Interrupt to test */
847 mask = 1 << i;
848
849 if (!shared_int) {
850 /* Disable the interrupt to be reported in
851 * the cause register and then force the same
852 * interrupt and see if one gets posted. If
853 * an interrupt was posted to the bus, the
854 * test failed.
855 */
856 adapter->test_icr = 0;
857 ew32(IMC, mask);
858 ew32(ICS, mask);
859 msleep(10);
860
861 if (adapter->test_icr & mask) {
862 *data = 3;
863 break;
864 }
865 }
866
867 /* Enable the interrupt to be reported in
868 * the cause register and then force the same
869 * interrupt and see if one gets posted. If
870 * an interrupt was not posted to the bus, the
871 * test failed.
872 */
873 adapter->test_icr = 0;
874 ew32(IMS, mask);
875 ew32(ICS, mask);
876 msleep(10);
877
878 if (!(adapter->test_icr & mask)) {
879 *data = 4;
880 break;
881 }
882
883 if (!shared_int) {
884 /* Disable the other interrupts to be reported in
885 * the cause register and then force the other
886 * interrupts and see if any get posted. If
887 * an interrupt was posted to the bus, the
888 * test failed.
889 */
890 adapter->test_icr = 0;
891 ew32(IMC, ~mask & 0x00007FFF);
892 ew32(ICS, ~mask & 0x00007FFF);
893 msleep(10);
894
895 if (adapter->test_icr) {
896 *data = 5;
897 break;
898 }
899 }
900 }
901
902 /* Disable all the interrupts */
903 ew32(IMC, 0xFFFFFFFF);
904 msleep(10);
905
906 /* Unhook test interrupt handler */
907 free_irq(irq, netdev);
908
909 return *data;
910 }
911
912 static void e1000_free_desc_rings(struct e1000_adapter *adapter)
913 {
914 struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
915 struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
916 struct pci_dev *pdev = adapter->pdev;
917 int i;
918
919 if (txdr->desc && txdr->buffer_info) {
920 for (i = 0; i < txdr->count; i++) {
921 if (txdr->buffer_info[i].dma)
922 dma_unmap_single(&pdev->dev,
923 txdr->buffer_info[i].dma,
924 txdr->buffer_info[i].length,
925 DMA_TO_DEVICE);
926 if (txdr->buffer_info[i].skb)
927 dev_kfree_skb(txdr->buffer_info[i].skb);
928 }
929 }
930
931 if (rxdr->desc && rxdr->buffer_info) {
932 for (i = 0; i < rxdr->count; i++) {
933 if (rxdr->buffer_info[i].dma)
934 dma_unmap_single(&pdev->dev,
935 rxdr->buffer_info[i].dma,
936 rxdr->buffer_info[i].length,
937 DMA_FROM_DEVICE);
938 if (rxdr->buffer_info[i].skb)
939 dev_kfree_skb(rxdr->buffer_info[i].skb);
940 }
941 }
942
943 if (txdr->desc) {
944 dma_free_coherent(&pdev->dev, txdr->size, txdr->desc,
945 txdr->dma);
946 txdr->desc = NULL;
947 }
948 if (rxdr->desc) {
949 dma_free_coherent(&pdev->dev, rxdr->size, rxdr->desc,
950 rxdr->dma);
951 rxdr->desc = NULL;
952 }
953
954 kfree(txdr->buffer_info);
955 txdr->buffer_info = NULL;
956 kfree(rxdr->buffer_info);
957 rxdr->buffer_info = NULL;
958 }
959
960 static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
961 {
962 struct e1000_hw *hw = &adapter->hw;
963 struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
964 struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
965 struct pci_dev *pdev = adapter->pdev;
966 u32 rctl;
967 int i, ret_val;
968
969 /* Setup Tx descriptor ring and Tx buffers */
970
971 if (!txdr->count)
972 txdr->count = E1000_DEFAULT_TXD;
973
974 txdr->buffer_info = kcalloc(txdr->count, sizeof(struct e1000_buffer),
975 GFP_KERNEL);
976 if (!txdr->buffer_info) {
977 ret_val = 1;
978 goto err_nomem;
979 }
980
981 txdr->size = txdr->count * sizeof(struct e1000_tx_desc);
982 txdr->size = ALIGN(txdr->size, 4096);
983 txdr->desc = dma_alloc_coherent(&pdev->dev, txdr->size, &txdr->dma,
984 GFP_KERNEL);
985 if (!txdr->desc) {
986 ret_val = 2;
987 goto err_nomem;
988 }
989 memset(txdr->desc, 0, txdr->size);
990 txdr->next_to_use = txdr->next_to_clean = 0;
991
992 ew32(TDBAL, ((u64)txdr->dma & 0x00000000FFFFFFFF));
993 ew32(TDBAH, ((u64)txdr->dma >> 32));
994 ew32(TDLEN, txdr->count * sizeof(struct e1000_tx_desc));
995 ew32(TDH, 0);
996 ew32(TDT, 0);
997 ew32(TCTL, E1000_TCTL_PSP | E1000_TCTL_EN |
998 E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
999 E1000_FDX_COLLISION_DISTANCE << E1000_COLD_SHIFT);
1000
1001 for (i = 0; i < txdr->count; i++) {
1002 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*txdr, i);
1003 struct sk_buff *skb;
1004 unsigned int size = 1024;
1005
1006 skb = alloc_skb(size, GFP_KERNEL);
1007 if (!skb) {
1008 ret_val = 3;
1009 goto err_nomem;
1010 }
1011 skb_put(skb, size);
1012 txdr->buffer_info[i].skb = skb;
1013 txdr->buffer_info[i].length = skb->len;
1014 txdr->buffer_info[i].dma =
1015 dma_map_single(&pdev->dev, skb->data, skb->len,
1016 DMA_TO_DEVICE);
1017 tx_desc->buffer_addr = cpu_to_le64(txdr->buffer_info[i].dma);
1018 tx_desc->lower.data = cpu_to_le32(skb->len);
1019 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
1020 E1000_TXD_CMD_IFCS |
1021 E1000_TXD_CMD_RPS);
1022 tx_desc->upper.data = 0;
1023 }
1024
1025 /* Setup Rx descriptor ring and Rx buffers */
1026
1027 if (!rxdr->count)
1028 rxdr->count = E1000_DEFAULT_RXD;
1029
1030 rxdr->buffer_info = kcalloc(rxdr->count, sizeof(struct e1000_buffer),
1031 GFP_KERNEL);
1032 if (!rxdr->buffer_info) {
1033 ret_val = 4;
1034 goto err_nomem;
1035 }
1036
1037 rxdr->size = rxdr->count * sizeof(struct e1000_rx_desc);
1038 rxdr->desc = dma_alloc_coherent(&pdev->dev, rxdr->size, &rxdr->dma,
1039 GFP_KERNEL);
1040 if (!rxdr->desc) {
1041 ret_val = 5;
1042 goto err_nomem;
1043 }
1044 memset(rxdr->desc, 0, rxdr->size);
1045 rxdr->next_to_use = rxdr->next_to_clean = 0;
1046
1047 rctl = er32(RCTL);
1048 ew32(RCTL, rctl & ~E1000_RCTL_EN);
1049 ew32(RDBAL, ((u64)rxdr->dma & 0xFFFFFFFF));
1050 ew32(RDBAH, ((u64)rxdr->dma >> 32));
1051 ew32(RDLEN, rxdr->size);
1052 ew32(RDH, 0);
1053 ew32(RDT, 0);
1054 rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
1055 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
1056 (hw->mc_filter_type << E1000_RCTL_MO_SHIFT);
1057 ew32(RCTL, rctl);
1058
1059 for (i = 0; i < rxdr->count; i++) {
1060 struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rxdr, i);
1061 struct sk_buff *skb;
1062
1063 skb = alloc_skb(E1000_RXBUFFER_2048 + NET_IP_ALIGN, GFP_KERNEL);
1064 if (!skb) {
1065 ret_val = 6;
1066 goto err_nomem;
1067 }
1068 skb_reserve(skb, NET_IP_ALIGN);
1069 rxdr->buffer_info[i].skb = skb;
1070 rxdr->buffer_info[i].length = E1000_RXBUFFER_2048;
1071 rxdr->buffer_info[i].dma =
1072 dma_map_single(&pdev->dev, skb->data,
1073 E1000_RXBUFFER_2048, DMA_FROM_DEVICE);
1074 rx_desc->buffer_addr = cpu_to_le64(rxdr->buffer_info[i].dma);
1075 memset(skb->data, 0x00, skb->len);
1076 }
1077
1078 return 0;
1079
1080 err_nomem:
1081 e1000_free_desc_rings(adapter);
1082 return ret_val;
1083 }
1084
1085 static void e1000_phy_disable_receiver(struct e1000_adapter *adapter)
1086 {
1087 struct e1000_hw *hw = &adapter->hw;
1088
1089 /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1090 e1000_write_phy_reg(hw, 29, 0x001F);
1091 e1000_write_phy_reg(hw, 30, 0x8FFC);
1092 e1000_write_phy_reg(hw, 29, 0x001A);
1093 e1000_write_phy_reg(hw, 30, 0x8FF0);
1094 }
1095
1096 static void e1000_phy_reset_clk_and_crs(struct e1000_adapter *adapter)
1097 {
1098 struct e1000_hw *hw = &adapter->hw;
1099 u16 phy_reg;
1100
1101 /* Because we reset the PHY above, we need to re-force TX_CLK in the
1102 * Extended PHY Specific Control Register to 25MHz clock. This
1103 * value defaults back to a 2.5MHz clock when the PHY is reset.
1104 */
1105 e1000_read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
1106 phy_reg |= M88E1000_EPSCR_TX_CLK_25;
1107 e1000_write_phy_reg(hw,
1108 M88E1000_EXT_PHY_SPEC_CTRL, phy_reg);
1109
1110 /* In addition, because of the s/w reset above, we need to enable
1111 * CRS on TX. This must be set for both full and half duplex
1112 * operation.
1113 */
1114 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);
1115 phy_reg |= M88E1000_PSCR_ASSERT_CRS_ON_TX;
1116 e1000_write_phy_reg(hw,
1117 M88E1000_PHY_SPEC_CTRL, phy_reg);
1118 }
1119
1120 static int e1000_nonintegrated_phy_loopback(struct e1000_adapter *adapter)
1121 {
1122 struct e1000_hw *hw = &adapter->hw;
1123 u32 ctrl_reg;
1124 u16 phy_reg;
1125
1126 /* Setup the Device Control Register for PHY loopback test. */
1127
1128 ctrl_reg = er32(CTRL);
1129 ctrl_reg |= (E1000_CTRL_ILOS | /* Invert Loss-Of-Signal */
1130 E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1131 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1132 E1000_CTRL_SPD_1000 | /* Force Speed to 1000 */
1133 E1000_CTRL_FD); /* Force Duplex to FULL */
1134
1135 ew32(CTRL, ctrl_reg);
1136
1137 /* Read the PHY Specific Control Register (0x10) */
1138 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);
1139
1140 /* Clear Auto-Crossover bits in PHY Specific Control Register
1141 * (bits 6:5).
1142 */
1143 phy_reg &= ~M88E1000_PSCR_AUTO_X_MODE;
1144 e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_reg);
1145
1146 /* Perform software reset on the PHY */
1147 e1000_phy_reset(hw);
1148
1149 /* Have to setup TX_CLK and TX_CRS after software reset */
1150 e1000_phy_reset_clk_and_crs(adapter);
1151
1152 e1000_write_phy_reg(hw, PHY_CTRL, 0x8100);
1153
1154 /* Wait for reset to complete. */
1155 udelay(500);
1156
1157 /* Have to setup TX_CLK and TX_CRS after software reset */
1158 e1000_phy_reset_clk_and_crs(adapter);
1159
1160 /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1161 e1000_phy_disable_receiver(adapter);
1162
1163 /* Set the loopback bit in the PHY control register. */
1164 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1165 phy_reg |= MII_CR_LOOPBACK;
1166 e1000_write_phy_reg(hw, PHY_CTRL, phy_reg);
1167
1168 /* Setup TX_CLK and TX_CRS one more time. */
1169 e1000_phy_reset_clk_and_crs(adapter);
1170
1171 /* Check Phy Configuration */
1172 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1173 if (phy_reg != 0x4100)
1174 return 9;
1175
1176 e1000_read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
1177 if (phy_reg != 0x0070)
1178 return 10;
1179
1180 e1000_read_phy_reg(hw, 29, &phy_reg);
1181 if (phy_reg != 0x001A)
1182 return 11;
1183
1184 return 0;
1185 }
1186
1187 static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
1188 {
1189 struct e1000_hw *hw = &adapter->hw;
1190 u32 ctrl_reg = 0;
1191 u32 stat_reg = 0;
1192
1193 hw->autoneg = false;
1194
1195 if (hw->phy_type == e1000_phy_m88) {
1196 /* Auto-MDI/MDIX Off */
1197 e1000_write_phy_reg(hw,
1198 M88E1000_PHY_SPEC_CTRL, 0x0808);
1199 /* reset to update Auto-MDI/MDIX */
1200 e1000_write_phy_reg(hw, PHY_CTRL, 0x9140);
1201 /* autoneg off */
1202 e1000_write_phy_reg(hw, PHY_CTRL, 0x8140);
1203 }
1204
1205 ctrl_reg = er32(CTRL);
1206
1207 /* force 1000, set loopback */
1208 e1000_write_phy_reg(hw, PHY_CTRL, 0x4140);
1209
1210 /* Now set up the MAC to the same speed/duplex as the PHY. */
1211 ctrl_reg = er32(CTRL);
1212 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1213 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1214 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1215 E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
1216 E1000_CTRL_FD); /* Force Duplex to FULL */
1217
1218 if (hw->media_type == e1000_media_type_copper &&
1219 hw->phy_type == e1000_phy_m88)
1220 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
1221 else {
1222 /* Set the ILOS bit on the fiber Nic is half
1223 * duplex link is detected. */
1224 stat_reg = er32(STATUS);
1225 if ((stat_reg & E1000_STATUS_FD) == 0)
1226 ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
1227 }
1228
1229 ew32(CTRL, ctrl_reg);
1230
1231 /* Disable the receiver on the PHY so when a cable is plugged in, the
1232 * PHY does not begin to autoneg when a cable is reconnected to the NIC.
1233 */
1234 if (hw->phy_type == e1000_phy_m88)
1235 e1000_phy_disable_receiver(adapter);
1236
1237 udelay(500);
1238
1239 return 0;
1240 }
1241
1242 static int e1000_set_phy_loopback(struct e1000_adapter *adapter)
1243 {
1244 struct e1000_hw *hw = &adapter->hw;
1245 u16 phy_reg = 0;
1246 u16 count = 0;
1247
1248 switch (hw->mac_type) {
1249 case e1000_82543:
1250 if (hw->media_type == e1000_media_type_copper) {
1251 /* Attempt to setup Loopback mode on Non-integrated PHY.
1252 * Some PHY registers get corrupted at random, so
1253 * attempt this 10 times.
1254 */
1255 while (e1000_nonintegrated_phy_loopback(adapter) &&
1256 count++ < 10);
1257 if (count < 11)
1258 return 0;
1259 }
1260 break;
1261
1262 case e1000_82544:
1263 case e1000_82540:
1264 case e1000_82545:
1265 case e1000_82545_rev_3:
1266 case e1000_82546:
1267 case e1000_82546_rev_3:
1268 case e1000_82541:
1269 case e1000_82541_rev_2:
1270 case e1000_82547:
1271 case e1000_82547_rev_2:
1272 return e1000_integrated_phy_loopback(adapter);
1273 break;
1274 default:
1275 /* Default PHY loopback work is to read the MII
1276 * control register and assert bit 14 (loopback mode).
1277 */
1278 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1279 phy_reg |= MII_CR_LOOPBACK;
1280 e1000_write_phy_reg(hw, PHY_CTRL, phy_reg);
1281 return 0;
1282 break;
1283 }
1284
1285 return 8;
1286 }
1287
1288 static int e1000_setup_loopback_test(struct e1000_adapter *adapter)
1289 {
1290 struct e1000_hw *hw = &adapter->hw;
1291 u32 rctl;
1292
1293 if (hw->media_type == e1000_media_type_fiber ||
1294 hw->media_type == e1000_media_type_internal_serdes) {
1295 switch (hw->mac_type) {
1296 case e1000_82545:
1297 case e1000_82546:
1298 case e1000_82545_rev_3:
1299 case e1000_82546_rev_3:
1300 return e1000_set_phy_loopback(adapter);
1301 break;
1302 default:
1303 rctl = er32(RCTL);
1304 rctl |= E1000_RCTL_LBM_TCVR;
1305 ew32(RCTL, rctl);
1306 return 0;
1307 }
1308 } else if (hw->media_type == e1000_media_type_copper)
1309 return e1000_set_phy_loopback(adapter);
1310
1311 return 7;
1312 }
1313
1314 static void e1000_loopback_cleanup(struct e1000_adapter *adapter)
1315 {
1316 struct e1000_hw *hw = &adapter->hw;
1317 u32 rctl;
1318 u16 phy_reg;
1319
1320 rctl = er32(RCTL);
1321 rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
1322 ew32(RCTL, rctl);
1323
1324 switch (hw->mac_type) {
1325 case e1000_82545:
1326 case e1000_82546:
1327 case e1000_82545_rev_3:
1328 case e1000_82546_rev_3:
1329 default:
1330 hw->autoneg = true;
1331 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1332 if (phy_reg & MII_CR_LOOPBACK) {
1333 phy_reg &= ~MII_CR_LOOPBACK;
1334 e1000_write_phy_reg(hw, PHY_CTRL, phy_reg);
1335 e1000_phy_reset(hw);
1336 }
1337 break;
1338 }
1339 }
1340
1341 static void e1000_create_lbtest_frame(struct sk_buff *skb,
1342 unsigned int frame_size)
1343 {
1344 memset(skb->data, 0xFF, frame_size);
1345 frame_size &= ~1;
1346 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1347 memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
1348 memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
1349 }
1350
1351 static int e1000_check_lbtest_frame(struct sk_buff *skb,
1352 unsigned int frame_size)
1353 {
1354 frame_size &= ~1;
1355 if (*(skb->data + 3) == 0xFF) {
1356 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
1357 (*(skb->data + frame_size / 2 + 12) == 0xAF)) {
1358 return 0;
1359 }
1360 }
1361 return 13;
1362 }
1363
1364 static int e1000_run_loopback_test(struct e1000_adapter *adapter)
1365 {
1366 struct e1000_hw *hw = &adapter->hw;
1367 struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
1368 struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
1369 struct pci_dev *pdev = adapter->pdev;
1370 int i, j, k, l, lc, good_cnt, ret_val=0;
1371 unsigned long time;
1372
1373 ew32(RDT, rxdr->count - 1);
1374
1375 /* Calculate the loop count based on the largest descriptor ring
1376 * The idea is to wrap the largest ring a number of times using 64
1377 * send/receive pairs during each loop
1378 */
1379
1380 if (rxdr->count <= txdr->count)
1381 lc = ((txdr->count / 64) * 2) + 1;
1382 else
1383 lc = ((rxdr->count / 64) * 2) + 1;
1384
1385 k = l = 0;
1386 for (j = 0; j <= lc; j++) { /* loop count loop */
1387 for (i = 0; i < 64; i++) { /* send the packets */
1388 e1000_create_lbtest_frame(txdr->buffer_info[i].skb,
1389 1024);
1390 dma_sync_single_for_device(&pdev->dev,
1391 txdr->buffer_info[k].dma,
1392 txdr->buffer_info[k].length,
1393 DMA_TO_DEVICE);
1394 if (unlikely(++k == txdr->count)) k = 0;
1395 }
1396 ew32(TDT, k);
1397 msleep(200);
1398 time = jiffies; /* set the start time for the receive */
1399 good_cnt = 0;
1400 do { /* receive the sent packets */
1401 dma_sync_single_for_cpu(&pdev->dev,
1402 rxdr->buffer_info[l].dma,
1403 rxdr->buffer_info[l].length,
1404 DMA_FROM_DEVICE);
1405
1406 ret_val = e1000_check_lbtest_frame(
1407 rxdr->buffer_info[l].skb,
1408 1024);
1409 if (!ret_val)
1410 good_cnt++;
1411 if (unlikely(++l == rxdr->count)) l = 0;
1412 /* time + 20 msecs (200 msecs on 2.4) is more than
1413 * enough time to complete the receives, if it's
1414 * exceeded, break and error off
1415 */
1416 } while (good_cnt < 64 && jiffies < (time + 20));
1417 if (good_cnt != 64) {
1418 ret_val = 13; /* ret_val is the same as mis-compare */
1419 break;
1420 }
1421 if (jiffies >= (time + 2)) {
1422 ret_val = 14; /* error code for time out error */
1423 break;
1424 }
1425 } /* end loop count loop */
1426 return ret_val;
1427 }
1428
1429 static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data)
1430 {
1431 *data = e1000_setup_desc_rings(adapter);
1432 if (*data)
1433 goto out;
1434 *data = e1000_setup_loopback_test(adapter);
1435 if (*data)
1436 goto err_loopback;
1437 *data = e1000_run_loopback_test(adapter);
1438 e1000_loopback_cleanup(adapter);
1439
1440 err_loopback:
1441 e1000_free_desc_rings(adapter);
1442 out:
1443 return *data;
1444 }
1445
1446 static int e1000_link_test(struct e1000_adapter *adapter, u64 *data)
1447 {
1448 struct e1000_hw *hw = &adapter->hw;
1449 *data = 0;
1450 if (hw->media_type == e1000_media_type_internal_serdes) {
1451 int i = 0;
1452 hw->serdes_has_link = false;
1453
1454 /* On some blade server designs, link establishment
1455 * could take as long as 2-3 minutes */
1456 do {
1457 e1000_check_for_link(hw);
1458 if (hw->serdes_has_link)
1459 return *data;
1460 msleep(20);
1461 } while (i++ < 3750);
1462
1463 *data = 1;
1464 } else {
1465 e1000_check_for_link(hw);
1466 if (hw->autoneg) /* if auto_neg is set wait for it */
1467 msleep(4000);
1468
1469 if (!(er32(STATUS) & E1000_STATUS_LU)) {
1470 *data = 1;
1471 }
1472 }
1473 return *data;
1474 }
1475
1476 static int e1000_get_sset_count(struct net_device *netdev, int sset)
1477 {
1478 switch (sset) {
1479 case ETH_SS_TEST:
1480 return E1000_TEST_LEN;
1481 case ETH_SS_STATS:
1482 return E1000_STATS_LEN;
1483 default:
1484 return -EOPNOTSUPP;
1485 }
1486 }
1487
1488 static void e1000_diag_test(struct net_device *netdev,
1489 struct ethtool_test *eth_test, u64 *data)
1490 {
1491 struct e1000_adapter *adapter = netdev_priv(netdev);
1492 struct e1000_hw *hw = &adapter->hw;
1493 bool if_running = netif_running(netdev);
1494
1495 set_bit(__E1000_TESTING, &adapter->flags);
1496 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1497 /* Offline tests */
1498
1499 /* save speed, duplex, autoneg settings */
1500 u16 autoneg_advertised = hw->autoneg_advertised;
1501 u8 forced_speed_duplex = hw->forced_speed_duplex;
1502 u8 autoneg = hw->autoneg;
1503
1504 e_info(hw, "offline testing starting\n");
1505
1506 /* Link test performed before hardware reset so autoneg doesn't
1507 * interfere with test result */
1508 if (e1000_link_test(adapter, &data[4]))
1509 eth_test->flags |= ETH_TEST_FL_FAILED;
1510
1511 if (if_running)
1512 /* indicate we're in test mode */
1513 dev_close(netdev);
1514 else
1515 e1000_reset(adapter);
1516
1517 if (e1000_reg_test(adapter, &data[0]))
1518 eth_test->flags |= ETH_TEST_FL_FAILED;
1519
1520 e1000_reset(adapter);
1521 if (e1000_eeprom_test(adapter, &data[1]))
1522 eth_test->flags |= ETH_TEST_FL_FAILED;
1523
1524 e1000_reset(adapter);
1525 if (e1000_intr_test(adapter, &data[2]))
1526 eth_test->flags |= ETH_TEST_FL_FAILED;
1527
1528 e1000_reset(adapter);
1529 /* make sure the phy is powered up */
1530 e1000_power_up_phy(adapter);
1531 if (e1000_loopback_test(adapter, &data[3]))
1532 eth_test->flags |= ETH_TEST_FL_FAILED;
1533
1534 /* restore speed, duplex, autoneg settings */
1535 hw->autoneg_advertised = autoneg_advertised;
1536 hw->forced_speed_duplex = forced_speed_duplex;
1537 hw->autoneg = autoneg;
1538
1539 e1000_reset(adapter);
1540 clear_bit(__E1000_TESTING, &adapter->flags);
1541 if (if_running)
1542 dev_open(netdev);
1543 } else {
1544 e_info(hw, "online testing starting\n");
1545 /* Online tests */
1546 if (e1000_link_test(adapter, &data[4]))
1547 eth_test->flags |= ETH_TEST_FL_FAILED;
1548
1549 /* Online tests aren't run; pass by default */
1550 data[0] = 0;
1551 data[1] = 0;
1552 data[2] = 0;
1553 data[3] = 0;
1554
1555 clear_bit(__E1000_TESTING, &adapter->flags);
1556 }
1557 msleep_interruptible(4 * 1000);
1558 }
1559
1560 static int e1000_wol_exclusion(struct e1000_adapter *adapter,
1561 struct ethtool_wolinfo *wol)
1562 {
1563 struct e1000_hw *hw = &adapter->hw;
1564 int retval = 1; /* fail by default */
1565
1566 switch (hw->device_id) {
1567 case E1000_DEV_ID_82542:
1568 case E1000_DEV_ID_82543GC_FIBER:
1569 case E1000_DEV_ID_82543GC_COPPER:
1570 case E1000_DEV_ID_82544EI_FIBER:
1571 case E1000_DEV_ID_82546EB_QUAD_COPPER:
1572 case E1000_DEV_ID_82545EM_FIBER:
1573 case E1000_DEV_ID_82545EM_COPPER:
1574 case E1000_DEV_ID_82546GB_QUAD_COPPER:
1575 case E1000_DEV_ID_82546GB_PCIE:
1576 /* these don't support WoL at all */
1577 wol->supported = 0;
1578 break;
1579 case E1000_DEV_ID_82546EB_FIBER:
1580 case E1000_DEV_ID_82546GB_FIBER:
1581 /* Wake events not supported on port B */
1582 if (er32(STATUS) & E1000_STATUS_FUNC_1) {
1583 wol->supported = 0;
1584 break;
1585 }
1586 /* return success for non excluded adapter ports */
1587 retval = 0;
1588 break;
1589 case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
1590 /* quad port adapters only support WoL on port A */
1591 if (!adapter->quad_port_a) {
1592 wol->supported = 0;
1593 break;
1594 }
1595 /* return success for non excluded adapter ports */
1596 retval = 0;
1597 break;
1598 default:
1599 /* dual port cards only support WoL on port A from now on
1600 * unless it was enabled in the eeprom for port B
1601 * so exclude FUNC_1 ports from having WoL enabled */
1602 if (er32(STATUS) & E1000_STATUS_FUNC_1 &&
1603 !adapter->eeprom_wol) {
1604 wol->supported = 0;
1605 break;
1606 }
1607
1608 retval = 0;
1609 }
1610
1611 return retval;
1612 }
1613
1614 static void e1000_get_wol(struct net_device *netdev,
1615 struct ethtool_wolinfo *wol)
1616 {
1617 struct e1000_adapter *adapter = netdev_priv(netdev);
1618 struct e1000_hw *hw = &adapter->hw;
1619
1620 wol->supported = WAKE_UCAST | WAKE_MCAST |
1621 WAKE_BCAST | WAKE_MAGIC;
1622 wol->wolopts = 0;
1623
1624 /* this function will set ->supported = 0 and return 1 if wol is not
1625 * supported by this hardware */
1626 if (e1000_wol_exclusion(adapter, wol) ||
1627 !device_can_wakeup(&adapter->pdev->dev))
1628 return;
1629
1630 /* apply any specific unsupported masks here */
1631 switch (hw->device_id) {
1632 case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
1633 /* KSP3 does not suppport UCAST wake-ups */
1634 wol->supported &= ~WAKE_UCAST;
1635
1636 if (adapter->wol & E1000_WUFC_EX)
1637 e_err(drv, "Interface does not support directed "
1638 "(unicast) frame wake-up packets\n");
1639 break;
1640 default:
1641 break;
1642 }
1643
1644 if (adapter->wol & E1000_WUFC_EX)
1645 wol->wolopts |= WAKE_UCAST;
1646 if (adapter->wol & E1000_WUFC_MC)
1647 wol->wolopts |= WAKE_MCAST;
1648 if (adapter->wol & E1000_WUFC_BC)
1649 wol->wolopts |= WAKE_BCAST;
1650 if (adapter->wol & E1000_WUFC_MAG)
1651 wol->wolopts |= WAKE_MAGIC;
1652 }
1653
1654 static int e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1655 {
1656 struct e1000_adapter *adapter = netdev_priv(netdev);
1657 struct e1000_hw *hw = &adapter->hw;
1658
1659 if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
1660 return -EOPNOTSUPP;
1661
1662 if (e1000_wol_exclusion(adapter, wol) ||
1663 !device_can_wakeup(&adapter->pdev->dev))
1664 return wol->wolopts ? -EOPNOTSUPP : 0;
1665
1666 switch (hw->device_id) {
1667 case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
1668 if (wol->wolopts & WAKE_UCAST) {
1669 e_err(drv, "Interface does not support directed "
1670 "(unicast) frame wake-up packets\n");
1671 return -EOPNOTSUPP;
1672 }
1673 break;
1674 default:
1675 break;
1676 }
1677
1678 /* these settings will always override what we currently have */
1679 adapter->wol = 0;
1680
1681 if (wol->wolopts & WAKE_UCAST)
1682 adapter->wol |= E1000_WUFC_EX;
1683 if (wol->wolopts & WAKE_MCAST)
1684 adapter->wol |= E1000_WUFC_MC;
1685 if (wol->wolopts & WAKE_BCAST)
1686 adapter->wol |= E1000_WUFC_BC;
1687 if (wol->wolopts & WAKE_MAGIC)
1688 adapter->wol |= E1000_WUFC_MAG;
1689
1690 device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
1691
1692 return 0;
1693 }
1694
1695 static int e1000_set_phys_id(struct net_device *netdev,
1696 enum ethtool_phys_id_state state)
1697 {
1698 struct e1000_adapter *adapter = netdev_priv(netdev);
1699 struct e1000_hw *hw = &adapter->hw;
1700
1701 switch (state) {
1702 case ETHTOOL_ID_ACTIVE:
1703 e1000_setup_led(hw);
1704 return 2;
1705
1706 case ETHTOOL_ID_ON:
1707 e1000_led_on(hw);
1708 break;
1709
1710 case ETHTOOL_ID_OFF:
1711 e1000_led_off(hw);
1712 break;
1713
1714 case ETHTOOL_ID_INACTIVE:
1715 e1000_cleanup_led(hw);
1716 }
1717
1718 return 0;
1719 }
1720
1721 static int e1000_get_coalesce(struct net_device *netdev,
1722 struct ethtool_coalesce *ec)
1723 {
1724 struct e1000_adapter *adapter = netdev_priv(netdev);
1725
1726 if (adapter->hw.mac_type < e1000_82545)
1727 return -EOPNOTSUPP;
1728
1729 if (adapter->itr_setting <= 4)
1730 ec->rx_coalesce_usecs = adapter->itr_setting;
1731 else
1732 ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting;
1733
1734 return 0;
1735 }
1736
1737 static int e1000_set_coalesce(struct net_device *netdev,
1738 struct ethtool_coalesce *ec)
1739 {
1740 struct e1000_adapter *adapter = netdev_priv(netdev);
1741 struct e1000_hw *hw = &adapter->hw;
1742
1743 if (hw->mac_type < e1000_82545)
1744 return -EOPNOTSUPP;
1745
1746 if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) ||
1747 ((ec->rx_coalesce_usecs > 4) &&
1748 (ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) ||
1749 (ec->rx_coalesce_usecs == 2))
1750 return -EINVAL;
1751
1752 if (ec->rx_coalesce_usecs == 4) {
1753 adapter->itr = adapter->itr_setting = 4;
1754 } else if (ec->rx_coalesce_usecs <= 3) {
1755 adapter->itr = 20000;
1756 adapter->itr_setting = ec->rx_coalesce_usecs;
1757 } else {
1758 adapter->itr = (1000000 / ec->rx_coalesce_usecs);
1759 adapter->itr_setting = adapter->itr & ~3;
1760 }
1761
1762 if (adapter->itr_setting != 0)
1763 ew32(ITR, 1000000000 / (adapter->itr * 256));
1764 else
1765 ew32(ITR, 0);
1766
1767 return 0;
1768 }
1769
1770 static int e1000_nway_reset(struct net_device *netdev)
1771 {
1772 struct e1000_adapter *adapter = netdev_priv(netdev);
1773 if (netif_running(netdev))
1774 e1000_reinit_locked(adapter);
1775 return 0;
1776 }
1777
1778 static void e1000_get_ethtool_stats(struct net_device *netdev,
1779 struct ethtool_stats *stats, u64 *data)
1780 {
1781 struct e1000_adapter *adapter = netdev_priv(netdev);
1782 int i;
1783 char *p = NULL;
1784
1785 e1000_update_stats(adapter);
1786 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1787 switch (e1000_gstrings_stats[i].type) {
1788 case NETDEV_STATS:
1789 p = (char *) netdev +
1790 e1000_gstrings_stats[i].stat_offset;
1791 break;
1792 case E1000_STATS:
1793 p = (char *) adapter +
1794 e1000_gstrings_stats[i].stat_offset;
1795 break;
1796 }
1797
1798 data[i] = (e1000_gstrings_stats[i].sizeof_stat ==
1799 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1800 }
1801 /* BUG_ON(i != E1000_STATS_LEN); */
1802 }
1803
1804 static void e1000_get_strings(struct net_device *netdev, u32 stringset,
1805 u8 *data)
1806 {
1807 u8 *p = data;
1808 int i;
1809
1810 switch (stringset) {
1811 case ETH_SS_TEST:
1812 memcpy(data, *e1000_gstrings_test,
1813 sizeof(e1000_gstrings_test));
1814 break;
1815 case ETH_SS_STATS:
1816 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1817 memcpy(p, e1000_gstrings_stats[i].stat_string,
1818 ETH_GSTRING_LEN);
1819 p += ETH_GSTRING_LEN;
1820 }
1821 /* BUG_ON(p - data != E1000_STATS_LEN * ETH_GSTRING_LEN); */
1822 break;
1823 }
1824 }
1825
1826 static const struct ethtool_ops e1000_ethtool_ops = {
1827 .get_settings = e1000_get_settings,
1828 .set_settings = e1000_set_settings,
1829 .get_drvinfo = e1000_get_drvinfo,
1830 .get_regs_len = e1000_get_regs_len,
1831 .get_regs = e1000_get_regs,
1832 .get_wol = e1000_get_wol,
1833 .set_wol = e1000_set_wol,
1834 .get_msglevel = e1000_get_msglevel,
1835 .set_msglevel = e1000_set_msglevel,
1836 .nway_reset = e1000_nway_reset,
1837 .get_link = e1000_get_link,
1838 .get_eeprom_len = e1000_get_eeprom_len,
1839 .get_eeprom = e1000_get_eeprom,
1840 .set_eeprom = e1000_set_eeprom,
1841 .get_ringparam = e1000_get_ringparam,
1842 .set_ringparam = e1000_set_ringparam,
1843 .get_pauseparam = e1000_get_pauseparam,
1844 .set_pauseparam = e1000_set_pauseparam,
1845 .self_test = e1000_diag_test,
1846 .get_strings = e1000_get_strings,
1847 .set_phys_id = e1000_set_phys_id,
1848 .get_ethtool_stats = e1000_get_ethtool_stats,
1849 .get_sset_count = e1000_get_sset_count,
1850 .get_coalesce = e1000_get_coalesce,
1851 .set_coalesce = e1000_set_coalesce,
1852 };
1853
1854 void e1000_set_ethtool_ops(struct net_device *netdev)
1855 {
1856 SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops);
1857 }
linux-next