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staging: rtl8188eu: Replace function name in string with __func__
[linux/fpc-iii.git] / drivers / net / ethernet / intel / e1000 / e1000_ethtool.c
blobdc71e87c32603564a63fed9b366670793220f1b0
1 /*******************************************************************************
2 * Intel PRO/1000 Linux driver
3 * Copyright(c) 1999 - 2006 Intel Corporation.
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms and conditions of the GNU General Public License,
7 * version 2, as published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
12 * more details.
13 *
14 * The full GNU General Public License is included in this distribution in
15 * the file called "COPYING".
16 *
17 * Contact Information:
18 * Linux NICS <linux.nics@intel.com>
19 * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
20 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
21 *
22 ******************************************************************************/
23
24 /* ethtool support for e1000 */
25
26 #include "e1000.h"
27 #include <linux/jiffies.h>
28 #include <linux/uaccess.h>
29
30 enum {NETDEV_STATS, E1000_STATS};
31
32 struct e1000_stats {
33 char stat_string[ETH_GSTRING_LEN];
34 int type;
35 int sizeof_stat;
36 int stat_offset;
37 };
38
39 #define E1000_STAT(m) E1000_STATS, \
40 sizeof(((struct e1000_adapter *)0)->m), \
41 offsetof(struct e1000_adapter, m)
42 #define E1000_NETDEV_STAT(m) NETDEV_STATS, \
43 sizeof(((struct net_device *)0)->m), \
44 offsetof(struct net_device, m)
45
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.gorcl) },
50 { "tx_bytes", E1000_STAT(stats.gotcl) },
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(stats.rxerrc) },
56 { "tx_errors", E1000_STAT(stats.txerrc) },
57 { "tx_dropped", E1000_NETDEV_STAT(stats.tx_dropped) },
58 { "multicast", E1000_STAT(stats.mprc) },
59 { "collisions", E1000_STAT(stats.colc) },
60 { "rx_length_errors", E1000_STAT(stats.rlerrc) },
61 { "rx_over_errors", E1000_NETDEV_STAT(stats.rx_over_errors) },
62 { "rx_crc_errors", E1000_STAT(stats.crcerrs) },
63 { "rx_frame_errors", E1000_NETDEV_STAT(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_NETDEV_STAT(stats.tx_fifo_errors) },
69 { "tx_heartbeat_errors", E1000_NETDEV_STAT(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.gorcl) },
87 { "rx_csum_offload_good", E1000_STAT(hw_csum_good) },
88 { "rx_csum_offload_errors", E1000_STAT(hw_csum_err) },
89 { "alloc_rx_buff_failed", E1000_STAT(alloc_rx_buff_failed) },
90 { "tx_smbus", E1000_STAT(stats.mgptc) },
91 { "rx_smbus", E1000_STAT(stats.mgprc) },
92 { "dropped_smbus", E1000_STAT(stats.mgpdc) },
93 };
94
95 #define E1000_QUEUE_STATS_LEN 0
96 #define E1000_GLOBAL_STATS_LEN ARRAY_SIZE(e1000_gstrings_stats)
97 #define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN + E1000_QUEUE_STATS_LEN)
98 static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = {
99 "Register test (offline)", "Eeprom test (offline)",
100 "Interrupt test (offline)", "Loopback test (offline)",
101 "Link test (on/offline)"
102 };
103
104 #define E1000_TEST_LEN ARRAY_SIZE(e1000_gstrings_test)
105
106 static int e1000_get_link_ksettings(struct net_device *netdev,
107 struct ethtool_link_ksettings *cmd)
108 {
109 struct e1000_adapter *adapter = netdev_priv(netdev);
110 struct e1000_hw *hw = &adapter->hw;
111 u32 supported, advertising;
112
113 if (hw->media_type == e1000_media_type_copper) {
114 supported = (SUPPORTED_10baseT_Half |
115 SUPPORTED_10baseT_Full |
116 SUPPORTED_100baseT_Half |
117 SUPPORTED_100baseT_Full |
118 SUPPORTED_1000baseT_Full|
119 SUPPORTED_Autoneg |
120 SUPPORTED_TP);
121 advertising = ADVERTISED_TP;
122
123 if (hw->autoneg == 1) {
124 advertising |= ADVERTISED_Autoneg;
125 /* the e1000 autoneg seems to match ethtool nicely */
126 advertising |= hw->autoneg_advertised;
127 }
128
129 cmd->base.port = PORT_TP;
130 cmd->base.phy_address = hw->phy_addr;
131 } else {
132 supported = (SUPPORTED_1000baseT_Full |
133 SUPPORTED_FIBRE |
134 SUPPORTED_Autoneg);
135
136 advertising = (ADVERTISED_1000baseT_Full |
137 ADVERTISED_FIBRE |
138 ADVERTISED_Autoneg);
139
140 cmd->base.port = PORT_FIBRE;
141 }
142
143 if (er32(STATUS) & E1000_STATUS_LU) {
144 e1000_get_speed_and_duplex(hw, &adapter->link_speed,
145 &adapter->link_duplex);
146 cmd->base.speed = adapter->link_speed;
147
148 /* unfortunately FULL_DUPLEX != DUPLEX_FULL
149 * and HALF_DUPLEX != DUPLEX_HALF
150 */
151 if (adapter->link_duplex == FULL_DUPLEX)
152 cmd->base.duplex = DUPLEX_FULL;
153 else
154 cmd->base.duplex = DUPLEX_HALF;
155 } else {
156 cmd->base.speed = SPEED_UNKNOWN;
157 cmd->base.duplex = DUPLEX_UNKNOWN;
158 }
159
160 cmd->base.autoneg = ((hw->media_type == e1000_media_type_fiber) ||
161 hw->autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE;
162
163 /* MDI-X => 1; MDI => 0 */
164 if ((hw->media_type == e1000_media_type_copper) &&
165 netif_carrier_ok(netdev))
166 cmd->base.eth_tp_mdix = (!!adapter->phy_info.mdix_mode ?
167 ETH_TP_MDI_X : ETH_TP_MDI);
168 else
169 cmd->base.eth_tp_mdix = ETH_TP_MDI_INVALID;
170
171 if (hw->mdix == AUTO_ALL_MODES)
172 cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI_AUTO;
173 else
174 cmd->base.eth_tp_mdix_ctrl = hw->mdix;
175
176 ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
177 supported);
178 ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising,
179 advertising);
180
181 return 0;
182 }
183
184 static int e1000_set_link_ksettings(struct net_device *netdev,
185 const struct ethtool_link_ksettings *cmd)
186 {
187 struct e1000_adapter *adapter = netdev_priv(netdev);
188 struct e1000_hw *hw = &adapter->hw;
189 u32 advertising;
190
191 ethtool_convert_link_mode_to_legacy_u32(&advertising,
192 cmd->link_modes.advertising);
193
194 /* MDI setting is only allowed when autoneg enabled because
195 * some hardware doesn't allow MDI setting when speed or
196 * duplex is forced.
197 */
198 if (cmd->base.eth_tp_mdix_ctrl) {
199 if (hw->media_type != e1000_media_type_copper)
200 return -EOPNOTSUPP;
201
202 if ((cmd->base.eth_tp_mdix_ctrl != ETH_TP_MDI_AUTO) &&
203 (cmd->base.autoneg != AUTONEG_ENABLE)) {
204 e_err(drv, "forcing MDI/MDI-X state is not supported when link speed and/or duplex are forced\n");
205 return -EINVAL;
206 }
207 }
208
209 while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
210 msleep(1);
211
212 if (cmd->base.autoneg == AUTONEG_ENABLE) {
213 hw->autoneg = 1;
214 if (hw->media_type == e1000_media_type_fiber)
215 hw->autoneg_advertised = ADVERTISED_1000baseT_Full |
216 ADVERTISED_FIBRE |
217 ADVERTISED_Autoneg;
218 else
219 hw->autoneg_advertised = advertising |
220 ADVERTISED_TP |
221 ADVERTISED_Autoneg;
222 } else {
223 u32 speed = cmd->base.speed;
224 /* calling this overrides forced MDI setting */
225 if (e1000_set_spd_dplx(adapter, speed, cmd->base.duplex)) {
226 clear_bit(__E1000_RESETTING, &adapter->flags);
227 return -EINVAL;
228 }
229 }
230
231 /* MDI-X => 2; MDI => 1; Auto => 3 */
232 if (cmd->base.eth_tp_mdix_ctrl) {
233 if (cmd->base.eth_tp_mdix_ctrl == ETH_TP_MDI_AUTO)
234 hw->mdix = AUTO_ALL_MODES;
235 else
236 hw->mdix = cmd->base.eth_tp_mdix_ctrl;
237 }
238
239 /* reset the link */
240
241 if (netif_running(adapter->netdev)) {
242 e1000_down(adapter);
243 e1000_up(adapter);
244 } else {
245 e1000_reset(adapter);
246 }
247 clear_bit(__E1000_RESETTING, &adapter->flags);
248 return 0;
249 }
250
251 static u32 e1000_get_link(struct net_device *netdev)
252 {
253 struct e1000_adapter *adapter = netdev_priv(netdev);
254
255 /* If the link is not reported up to netdev, interrupts are disabled,
256 * and so the physical link state may have changed since we last
257 * looked. Set get_link_status to make sure that the true link
258 * state is interrogated, rather than pulling a cached and possibly
259 * stale link state from the driver.
260 */
261 if (!netif_carrier_ok(netdev))
262 adapter->hw.get_link_status = 1;
263
264 return e1000_has_link(adapter);
265 }
266
267 static void e1000_get_pauseparam(struct net_device *netdev,
268 struct ethtool_pauseparam *pause)
269 {
270 struct e1000_adapter *adapter = netdev_priv(netdev);
271 struct e1000_hw *hw = &adapter->hw;
272
273 pause->autoneg =
274 (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE);
275
276 if (hw->fc == E1000_FC_RX_PAUSE) {
277 pause->rx_pause = 1;
278 } else if (hw->fc == E1000_FC_TX_PAUSE) {
279 pause->tx_pause = 1;
280 } else if (hw->fc == E1000_FC_FULL) {
281 pause->rx_pause = 1;
282 pause->tx_pause = 1;
283 }
284 }
285
286 static int e1000_set_pauseparam(struct net_device *netdev,
287 struct ethtool_pauseparam *pause)
288 {
289 struct e1000_adapter *adapter = netdev_priv(netdev);
290 struct e1000_hw *hw = &adapter->hw;
291 int retval = 0;
292
293 adapter->fc_autoneg = pause->autoneg;
294
295 while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
296 msleep(1);
297
298 if (pause->rx_pause && pause->tx_pause)
299 hw->fc = E1000_FC_FULL;
300 else if (pause->rx_pause && !pause->tx_pause)
301 hw->fc = E1000_FC_RX_PAUSE;
302 else if (!pause->rx_pause && pause->tx_pause)
303 hw->fc = E1000_FC_TX_PAUSE;
304 else if (!pause->rx_pause && !pause->tx_pause)
305 hw->fc = E1000_FC_NONE;
306
307 hw->original_fc = hw->fc;
308
309 if (adapter->fc_autoneg == AUTONEG_ENABLE) {
310 if (netif_running(adapter->netdev)) {
311 e1000_down(adapter);
312 e1000_up(adapter);
313 } else {
314 e1000_reset(adapter);
315 }
316 } else
317 retval = ((hw->media_type == e1000_media_type_fiber) ?
318 e1000_setup_link(hw) : e1000_force_mac_fc(hw));
319
320 clear_bit(__E1000_RESETTING, &adapter->flags);
321 return retval;
322 }
323
324 static u32 e1000_get_msglevel(struct net_device *netdev)
325 {
326 struct e1000_adapter *adapter = netdev_priv(netdev);
327
328 return adapter->msg_enable;
329 }
330
331 static void e1000_set_msglevel(struct net_device *netdev, u32 data)
332 {
333 struct e1000_adapter *adapter = netdev_priv(netdev);
334
335 adapter->msg_enable = data;
336 }
337
338 static int e1000_get_regs_len(struct net_device *netdev)
339 {
340 #define E1000_REGS_LEN 32
341 return E1000_REGS_LEN * sizeof(u32);
342 }
343
344 static void e1000_get_regs(struct net_device *netdev, struct ethtool_regs *regs,
345 void *p)
346 {
347 struct e1000_adapter *adapter = netdev_priv(netdev);
348 struct e1000_hw *hw = &adapter->hw;
349 u32 *regs_buff = p;
350 u16 phy_data;
351
352 memset(p, 0, E1000_REGS_LEN * sizeof(u32));
353
354 regs->version = (1 << 24) | (hw->revision_id << 16) | hw->device_id;
355
356 regs_buff[0] = er32(CTRL);
357 regs_buff[1] = er32(STATUS);
358
359 regs_buff[2] = er32(RCTL);
360 regs_buff[3] = er32(RDLEN);
361 regs_buff[4] = er32(RDH);
362 regs_buff[5] = er32(RDT);
363 regs_buff[6] = er32(RDTR);
364
365 regs_buff[7] = er32(TCTL);
366 regs_buff[8] = er32(TDLEN);
367 regs_buff[9] = er32(TDH);
368 regs_buff[10] = er32(TDT);
369 regs_buff[11] = er32(TIDV);
370
371 regs_buff[12] = hw->phy_type; /* PHY type (IGP=1, M88=0) */
372 if (hw->phy_type == e1000_phy_igp) {
373 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
374 IGP01E1000_PHY_AGC_A);
375 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_A &
376 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
377 regs_buff[13] = (u32)phy_data; /* cable length */
378 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
379 IGP01E1000_PHY_AGC_B);
380 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_B &
381 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
382 regs_buff[14] = (u32)phy_data; /* cable length */
383 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
384 IGP01E1000_PHY_AGC_C);
385 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_C &
386 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
387 regs_buff[15] = (u32)phy_data; /* cable length */
388 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
389 IGP01E1000_PHY_AGC_D);
390 e1000_read_phy_reg(hw, IGP01E1000_PHY_AGC_D &
391 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
392 regs_buff[16] = (u32)phy_data; /* cable length */
393 regs_buff[17] = 0; /* extended 10bt distance (not needed) */
394 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0);
395 e1000_read_phy_reg(hw, IGP01E1000_PHY_PORT_STATUS &
396 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
397 regs_buff[18] = (u32)phy_data; /* cable polarity */
398 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT,
399 IGP01E1000_PHY_PCS_INIT_REG);
400 e1000_read_phy_reg(hw, IGP01E1000_PHY_PCS_INIT_REG &
401 IGP01E1000_PHY_PAGE_SELECT, &phy_data);
402 regs_buff[19] = (u32)phy_data; /* cable polarity */
403 regs_buff[20] = 0; /* polarity correction enabled (always) */
404 regs_buff[22] = 0; /* phy receive errors (unavailable) */
405 regs_buff[23] = regs_buff[18]; /* mdix mode */
406 e1000_write_phy_reg(hw, IGP01E1000_PHY_PAGE_SELECT, 0x0);
407 } else {
408 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
409 regs_buff[13] = (u32)phy_data; /* cable length */
410 regs_buff[14] = 0; /* Dummy (to align w/ IGP phy reg dump) */
411 regs_buff[15] = 0; /* Dummy (to align w/ IGP phy reg dump) */
412 regs_buff[16] = 0; /* Dummy (to align w/ IGP phy reg dump) */
413 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
414 regs_buff[17] = (u32)phy_data; /* extended 10bt distance */
415 regs_buff[18] = regs_buff[13]; /* cable polarity */
416 regs_buff[19] = 0; /* Dummy (to align w/ IGP phy reg dump) */
417 regs_buff[20] = regs_buff[17]; /* polarity correction */
418 /* phy receive errors */
419 regs_buff[22] = adapter->phy_stats.receive_errors;
420 regs_buff[23] = regs_buff[13]; /* mdix mode */
421 }
422 regs_buff[21] = adapter->phy_stats.idle_errors; /* phy idle errors */
423 e1000_read_phy_reg(hw, PHY_1000T_STATUS, &phy_data);
424 regs_buff[24] = (u32)phy_data; /* phy local receiver status */
425 regs_buff[25] = regs_buff[24]; /* phy remote receiver status */
426 if (hw->mac_type >= e1000_82540 &&
427 hw->media_type == e1000_media_type_copper) {
428 regs_buff[26] = er32(MANC);
429 }
430 }
431
432 static int e1000_get_eeprom_len(struct net_device *netdev)
433 {
434 struct e1000_adapter *adapter = netdev_priv(netdev);
435 struct e1000_hw *hw = &adapter->hw;
436
437 return hw->eeprom.word_size * 2;
438 }
439
440 static int e1000_get_eeprom(struct net_device *netdev,
441 struct ethtool_eeprom *eeprom, u8 *bytes)
442 {
443 struct e1000_adapter *adapter = netdev_priv(netdev);
444 struct e1000_hw *hw = &adapter->hw;
445 u16 *eeprom_buff;
446 int first_word, last_word;
447 int ret_val = 0;
448 u16 i;
449
450 if (eeprom->len == 0)
451 return -EINVAL;
452
453 eeprom->magic = hw->vendor_id | (hw->device_id << 16);
454
455 first_word = eeprom->offset >> 1;
456 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
457
458 eeprom_buff = kmalloc(sizeof(u16) *
459 (last_word - first_word + 1), GFP_KERNEL);
460 if (!eeprom_buff)
461 return -ENOMEM;
462
463 if (hw->eeprom.type == e1000_eeprom_spi)
464 ret_val = e1000_read_eeprom(hw, first_word,
465 last_word - first_word + 1,
466 eeprom_buff);
467 else {
468 for (i = 0; i < last_word - first_word + 1; i++) {
469 ret_val = e1000_read_eeprom(hw, first_word + i, 1,
470 &eeprom_buff[i]);
471 if (ret_val)
472 break;
473 }
474 }
475
476 /* Device's eeprom is always little-endian, word addressable */
477 for (i = 0; i < last_word - first_word + 1; i++)
478 le16_to_cpus(&eeprom_buff[i]);
479
480 memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1),
481 eeprom->len);
482 kfree(eeprom_buff);
483
484 return ret_val;
485 }
486
487 static int e1000_set_eeprom(struct net_device *netdev,
488 struct ethtool_eeprom *eeprom, u8 *bytes)
489 {
490 struct e1000_adapter *adapter = netdev_priv(netdev);
491 struct e1000_hw *hw = &adapter->hw;
492 u16 *eeprom_buff;
493 void *ptr;
494 int max_len, first_word, last_word, ret_val = 0;
495 u16 i;
496
497 if (eeprom->len == 0)
498 return -EOPNOTSUPP;
499
500 if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
501 return -EFAULT;
502
503 max_len = hw->eeprom.word_size * 2;
504
505 first_word = eeprom->offset >> 1;
506 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
507 eeprom_buff = kmalloc(max_len, GFP_KERNEL);
508 if (!eeprom_buff)
509 return -ENOMEM;
510
511 ptr = (void *)eeprom_buff;
512
513 if (eeprom->offset & 1) {
514 /* need read/modify/write of first changed EEPROM word
515 * only the second byte of the word is being modified
516 */
517 ret_val = e1000_read_eeprom(hw, first_word, 1,
518 &eeprom_buff[0]);
519 ptr++;
520 }
521 if (((eeprom->offset + eeprom->len) & 1) && (ret_val == 0)) {
522 /* need read/modify/write of last changed EEPROM word
523 * only the first byte of the word is being modified
524 */
525 ret_val = e1000_read_eeprom(hw, last_word, 1,
526 &eeprom_buff[last_word - first_word]);
527 }
528
529 /* Device's eeprom is always little-endian, word addressable */
530 for (i = 0; i < last_word - first_word + 1; i++)
531 le16_to_cpus(&eeprom_buff[i]);
532
533 memcpy(ptr, bytes, eeprom->len);
534
535 for (i = 0; i < last_word - first_word + 1; i++)
536 eeprom_buff[i] = cpu_to_le16(eeprom_buff[i]);
537
538 ret_val = e1000_write_eeprom(hw, first_word,
539 last_word - first_word + 1, eeprom_buff);
540
541 /* Update the checksum over the first part of the EEPROM if needed */
542 if ((ret_val == 0) && (first_word <= EEPROM_CHECKSUM_REG))
543 e1000_update_eeprom_checksum(hw);
544
545 kfree(eeprom_buff);
546 return ret_val;
547 }
548
549 static void e1000_get_drvinfo(struct net_device *netdev,
550 struct ethtool_drvinfo *drvinfo)
551 {
552 struct e1000_adapter *adapter = netdev_priv(netdev);
553
554 strlcpy(drvinfo->driver, e1000_driver_name,
555 sizeof(drvinfo->driver));
556 strlcpy(drvinfo->version, e1000_driver_version,
557 sizeof(drvinfo->version));
558
559 strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
560 sizeof(drvinfo->bus_info));
561 }
562
563 static void e1000_get_ringparam(struct net_device *netdev,
564 struct ethtool_ringparam *ring)
565 {
566 struct e1000_adapter *adapter = netdev_priv(netdev);
567 struct e1000_hw *hw = &adapter->hw;
568 e1000_mac_type mac_type = hw->mac_type;
569 struct e1000_tx_ring *txdr = adapter->tx_ring;
570 struct e1000_rx_ring *rxdr = adapter->rx_ring;
571
572 ring->rx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_RXD :
573 E1000_MAX_82544_RXD;
574 ring->tx_max_pending = (mac_type < e1000_82544) ? E1000_MAX_TXD :
575 E1000_MAX_82544_TXD;
576 ring->rx_pending = rxdr->count;
577 ring->tx_pending = txdr->count;
578 }
579
580 static int e1000_set_ringparam(struct net_device *netdev,
581 struct ethtool_ringparam *ring)
582 {
583 struct e1000_adapter *adapter = netdev_priv(netdev);
584 struct e1000_hw *hw = &adapter->hw;
585 e1000_mac_type mac_type = hw->mac_type;
586 struct e1000_tx_ring *txdr, *tx_old;
587 struct e1000_rx_ring *rxdr, *rx_old;
588 int i, err;
589
590 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
591 return -EINVAL;
592
593 while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
594 msleep(1);
595
596 if (netif_running(adapter->netdev))
597 e1000_down(adapter);
598
599 tx_old = adapter->tx_ring;
600 rx_old = adapter->rx_ring;
601
602 err = -ENOMEM;
603 txdr = kcalloc(adapter->num_tx_queues, sizeof(struct e1000_tx_ring),
604 GFP_KERNEL);
605 if (!txdr)
606 goto err_alloc_tx;
607
608 rxdr = kcalloc(adapter->num_rx_queues, sizeof(struct e1000_rx_ring),
609 GFP_KERNEL);
610 if (!rxdr)
611 goto err_alloc_rx;
612
613 adapter->tx_ring = txdr;
614 adapter->rx_ring = rxdr;
615
616 rxdr->count = max(ring->rx_pending, (u32)E1000_MIN_RXD);
617 rxdr->count = min(rxdr->count, (u32)(mac_type < e1000_82544 ?
618 E1000_MAX_RXD : E1000_MAX_82544_RXD));
619 rxdr->count = ALIGN(rxdr->count, REQ_RX_DESCRIPTOR_MULTIPLE);
620 txdr->count = max(ring->tx_pending, (u32)E1000_MIN_TXD);
621 txdr->count = min(txdr->count, (u32)(mac_type < e1000_82544 ?
622 E1000_MAX_TXD : E1000_MAX_82544_TXD));
623 txdr->count = ALIGN(txdr->count, REQ_TX_DESCRIPTOR_MULTIPLE);
624
625 for (i = 0; i < adapter->num_tx_queues; i++)
626 txdr[i].count = txdr->count;
627 for (i = 0; i < adapter->num_rx_queues; i++)
628 rxdr[i].count = rxdr->count;
629
630 if (netif_running(adapter->netdev)) {
631 /* Try to get new resources before deleting old */
632 err = e1000_setup_all_rx_resources(adapter);
633 if (err)
634 goto err_setup_rx;
635 err = e1000_setup_all_tx_resources(adapter);
636 if (err)
637 goto err_setup_tx;
638
639 /* save the new, restore the old in order to free it,
640 * then restore the new back again
641 */
642
643 adapter->rx_ring = rx_old;
644 adapter->tx_ring = tx_old;
645 e1000_free_all_rx_resources(adapter);
646 e1000_free_all_tx_resources(adapter);
647 kfree(tx_old);
648 kfree(rx_old);
649 adapter->rx_ring = rxdr;
650 adapter->tx_ring = txdr;
651 err = e1000_up(adapter);
652 if (err)
653 goto err_setup;
654 }
655
656 clear_bit(__E1000_RESETTING, &adapter->flags);
657 return 0;
658 err_setup_tx:
659 e1000_free_all_rx_resources(adapter);
660 err_setup_rx:
661 adapter->rx_ring = rx_old;
662 adapter->tx_ring = tx_old;
663 kfree(rxdr);
664 err_alloc_rx:
665 kfree(txdr);
666 err_alloc_tx:
667 e1000_up(adapter);
668 err_setup:
669 clear_bit(__E1000_RESETTING, &adapter->flags);
670 return err;
671 }
672
673 static bool reg_pattern_test(struct e1000_adapter *adapter, u64 *data, int reg,
674 u32 mask, u32 write)
675 {
676 struct e1000_hw *hw = &adapter->hw;
677 static const u32 test[] = {
678 0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF
679 };
680 u8 __iomem *address = hw->hw_addr + reg;
681 u32 read;
682 int i;
683
684 for (i = 0; i < ARRAY_SIZE(test); i++) {
685 writel(write & test[i], address);
686 read = readl(address);
687 if (read != (write & test[i] & mask)) {
688 e_err(drv, "pattern test reg %04X failed: "
689 "got 0x%08X expected 0x%08X\n",
690 reg, read, (write & test[i] & mask));
691 *data = reg;
692 return true;
693 }
694 }
695 return false;
696 }
697
698 static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data, int reg,
699 u32 mask, u32 write)
700 {
701 struct e1000_hw *hw = &adapter->hw;
702 u8 __iomem *address = hw->hw_addr + reg;
703 u32 read;
704
705 writel(write & mask, address);
706 read = readl(address);
707 if ((read & mask) != (write & mask)) {
708 e_err(drv, "set/check reg %04X test failed: "
709 "got 0x%08X expected 0x%08X\n",
710 reg, (read & mask), (write & mask));
711 *data = reg;
712 return true;
713 }
714 return false;
715 }
716
717 #define REG_PATTERN_TEST(reg, mask, write) \
718 do { \
719 if (reg_pattern_test(adapter, data, \
720 (hw->mac_type >= e1000_82543) \
721 ? E1000_##reg : E1000_82542_##reg, \
722 mask, write)) \
723 return 1; \
724 } while (0)
725
726 #define REG_SET_AND_CHECK(reg, mask, write) \
727 do { \
728 if (reg_set_and_check(adapter, data, \
729 (hw->mac_type >= e1000_82543) \
730 ? E1000_##reg : E1000_82542_##reg, \
731 mask, write)) \
732 return 1; \
733 } while (0)
734
735 static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data)
736 {
737 u32 value, before, after;
738 u32 i, toggle;
739 struct e1000_hw *hw = &adapter->hw;
740
741 /* The status register is Read Only, so a write should fail.
742 * Some bits that get toggled are ignored.
743 */
744
745 /* there are several bits on newer hardware that are r/w */
746 toggle = 0xFFFFF833;
747
748 before = er32(STATUS);
749 value = (er32(STATUS) & toggle);
750 ew32(STATUS, toggle);
751 after = er32(STATUS) & toggle;
752 if (value != after) {
753 e_err(drv, "failed STATUS register test got: "
754 "0x%08X expected: 0x%08X\n", after, value);
755 *data = 1;
756 return 1;
757 }
758 /* restore previous status */
759 ew32(STATUS, before);
760
761 REG_PATTERN_TEST(FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
762 REG_PATTERN_TEST(FCAH, 0x0000FFFF, 0xFFFFFFFF);
763 REG_PATTERN_TEST(FCT, 0x0000FFFF, 0xFFFFFFFF);
764 REG_PATTERN_TEST(VET, 0x0000FFFF, 0xFFFFFFFF);
765
766 REG_PATTERN_TEST(RDTR, 0x0000FFFF, 0xFFFFFFFF);
767 REG_PATTERN_TEST(RDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
768 REG_PATTERN_TEST(RDLEN, 0x000FFF80, 0x000FFFFF);
769 REG_PATTERN_TEST(RDH, 0x0000FFFF, 0x0000FFFF);
770 REG_PATTERN_TEST(RDT, 0x0000FFFF, 0x0000FFFF);
771 REG_PATTERN_TEST(FCRTH, 0x0000FFF8, 0x0000FFF8);
772 REG_PATTERN_TEST(FCTTV, 0x0000FFFF, 0x0000FFFF);
773 REG_PATTERN_TEST(TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
774 REG_PATTERN_TEST(TDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
775 REG_PATTERN_TEST(TDLEN, 0x000FFF80, 0x000FFFFF);
776
777 REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x00000000);
778
779 before = 0x06DFB3FE;
780 REG_SET_AND_CHECK(RCTL, before, 0x003FFFFB);
781 REG_SET_AND_CHECK(TCTL, 0xFFFFFFFF, 0x00000000);
782
783 if (hw->mac_type >= e1000_82543) {
784 REG_SET_AND_CHECK(RCTL, before, 0xFFFFFFFF);
785 REG_PATTERN_TEST(RDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
786 REG_PATTERN_TEST(TXCW, 0xC000FFFF, 0x0000FFFF);
787 REG_PATTERN_TEST(TDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
788 REG_PATTERN_TEST(TIDV, 0x0000FFFF, 0x0000FFFF);
789 value = E1000_RAR_ENTRIES;
790 for (i = 0; i < value; i++) {
791 REG_PATTERN_TEST(RA + (((i << 1) + 1) << 2),
792 0x8003FFFF, 0xFFFFFFFF);
793 }
794 } else {
795 REG_SET_AND_CHECK(RCTL, 0xFFFFFFFF, 0x01FFFFFF);
796 REG_PATTERN_TEST(RDBAL, 0xFFFFF000, 0xFFFFFFFF);
797 REG_PATTERN_TEST(TXCW, 0x0000FFFF, 0x0000FFFF);
798 REG_PATTERN_TEST(TDBAL, 0xFFFFF000, 0xFFFFFFFF);
799 }
800
801 value = E1000_MC_TBL_SIZE;
802 for (i = 0; i < value; i++)
803 REG_PATTERN_TEST(MTA + (i << 2), 0xFFFFFFFF, 0xFFFFFFFF);
804
805 *data = 0;
806 return 0;
807 }
808
809 static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data)
810 {
811 struct e1000_hw *hw = &adapter->hw;
812 u16 temp;
813 u16 checksum = 0;
814 u16 i;
815
816 *data = 0;
817 /* Read and add up the contents of the EEPROM */
818 for (i = 0; i < (EEPROM_CHECKSUM_REG + 1); i++) {
819 if ((e1000_read_eeprom(hw, i, 1, &temp)) < 0) {
820 *data = 1;
821 break;
822 }
823 checksum += temp;
824 }
825
826 /* If Checksum is not Correct return error else test passed */
827 if ((checksum != (u16)EEPROM_SUM) && !(*data))
828 *data = 2;
829
830 return *data;
831 }
832
833 static irqreturn_t e1000_test_intr(int irq, void *data)
834 {
835 struct net_device *netdev = (struct net_device *)data;
836 struct e1000_adapter *adapter = netdev_priv(netdev);
837 struct e1000_hw *hw = &adapter->hw;
838
839 adapter->test_icr |= er32(ICR);
840
841 return IRQ_HANDLED;
842 }
843
844 static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data)
845 {
846 struct net_device *netdev = adapter->netdev;
847 u32 mask, i = 0;
848 bool shared_int = true;
849 u32 irq = adapter->pdev->irq;
850 struct e1000_hw *hw = &adapter->hw;
851
852 *data = 0;
853
854 /* NOTE: we don't test MSI interrupts here, yet
855 * Hook up test interrupt handler just for this test
856 */
857 if (!request_irq(irq, e1000_test_intr, IRQF_PROBE_SHARED, netdev->name,
858 netdev))
859 shared_int = false;
860 else if (request_irq(irq, e1000_test_intr, IRQF_SHARED,
861 netdev->name, netdev)) {
862 *data = 1;
863 return -1;
864 }
865 e_info(hw, "testing %s interrupt\n", (shared_int ?
866 "shared" : "unshared"));
867
868 /* Disable all the interrupts */
869 ew32(IMC, 0xFFFFFFFF);
870 E1000_WRITE_FLUSH();
871 msleep(10);
872
873 /* Test each interrupt */
874 for (; i < 10; i++) {
875 /* Interrupt to test */
876 mask = 1 << i;
877
878 if (!shared_int) {
879 /* Disable the interrupt to be reported in
880 * the cause register and then force the same
881 * interrupt and see if one gets posted. If
882 * an interrupt was posted to the bus, the
883 * test failed.
884 */
885 adapter->test_icr = 0;
886 ew32(IMC, mask);
887 ew32(ICS, mask);
888 E1000_WRITE_FLUSH();
889 msleep(10);
890
891 if (adapter->test_icr & mask) {
892 *data = 3;
893 break;
894 }
895 }
896
897 /* Enable the interrupt to be reported in
898 * the cause register and then force the same
899 * interrupt and see if one gets posted. If
900 * an interrupt was not posted to the bus, the
901 * test failed.
902 */
903 adapter->test_icr = 0;
904 ew32(IMS, mask);
905 ew32(ICS, mask);
906 E1000_WRITE_FLUSH();
907 msleep(10);
908
909 if (!(adapter->test_icr & mask)) {
910 *data = 4;
911 break;
912 }
913
914 if (!shared_int) {
915 /* Disable the other interrupts to be reported in
916 * the cause register and then force the other
917 * interrupts and see if any get posted. If
918 * an interrupt was posted to the bus, the
919 * test failed.
920 */
921 adapter->test_icr = 0;
922 ew32(IMC, ~mask & 0x00007FFF);
923 ew32(ICS, ~mask & 0x00007FFF);
924 E1000_WRITE_FLUSH();
925 msleep(10);
926
927 if (adapter->test_icr) {
928 *data = 5;
929 break;
930 }
931 }
932 }
933
934 /* Disable all the interrupts */
935 ew32(IMC, 0xFFFFFFFF);
936 E1000_WRITE_FLUSH();
937 msleep(10);
938
939 /* Unhook test interrupt handler */
940 free_irq(irq, netdev);
941
942 return *data;
943 }
944
945 static void e1000_free_desc_rings(struct e1000_adapter *adapter)
946 {
947 struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
948 struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
949 struct pci_dev *pdev = adapter->pdev;
950 int i;
951
952 if (txdr->desc && txdr->buffer_info) {
953 for (i = 0; i < txdr->count; i++) {
954 if (txdr->buffer_info[i].dma)
955 dma_unmap_single(&pdev->dev,
956 txdr->buffer_info[i].dma,
957 txdr->buffer_info[i].length,
958 DMA_TO_DEVICE);
959 if (txdr->buffer_info[i].skb)
960 dev_kfree_skb(txdr->buffer_info[i].skb);
961 }
962 }
963
964 if (rxdr->desc && rxdr->buffer_info) {
965 for (i = 0; i < rxdr->count; i++) {
966 if (rxdr->buffer_info[i].dma)
967 dma_unmap_single(&pdev->dev,
968 rxdr->buffer_info[i].dma,
969 E1000_RXBUFFER_2048,
970 DMA_FROM_DEVICE);
971 kfree(rxdr->buffer_info[i].rxbuf.data);
972 }
973 }
974
975 if (txdr->desc) {
976 dma_free_coherent(&pdev->dev, txdr->size, txdr->desc,
977 txdr->dma);
978 txdr->desc = NULL;
979 }
980 if (rxdr->desc) {
981 dma_free_coherent(&pdev->dev, rxdr->size, rxdr->desc,
982 rxdr->dma);
983 rxdr->desc = NULL;
984 }
985
986 kfree(txdr->buffer_info);
987 txdr->buffer_info = NULL;
988 kfree(rxdr->buffer_info);
989 rxdr->buffer_info = NULL;
990 }
991
992 static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
993 {
994 struct e1000_hw *hw = &adapter->hw;
995 struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
996 struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
997 struct pci_dev *pdev = adapter->pdev;
998 u32 rctl;
999 int i, ret_val;
1000
1001 /* Setup Tx descriptor ring and Tx buffers */
1002
1003 if (!txdr->count)
1004 txdr->count = E1000_DEFAULT_TXD;
1005
1006 txdr->buffer_info = kcalloc(txdr->count, sizeof(struct e1000_tx_buffer),
1007 GFP_KERNEL);
1008 if (!txdr->buffer_info) {
1009 ret_val = 1;
1010 goto err_nomem;
1011 }
1012
1013 txdr->size = txdr->count * sizeof(struct e1000_tx_desc);
1014 txdr->size = ALIGN(txdr->size, 4096);
1015 txdr->desc = dma_zalloc_coherent(&pdev->dev, txdr->size, &txdr->dma,
1016 GFP_KERNEL);
1017 if (!txdr->desc) {
1018 ret_val = 2;
1019 goto err_nomem;
1020 }
1021 txdr->next_to_use = txdr->next_to_clean = 0;
1022
1023 ew32(TDBAL, ((u64)txdr->dma & 0x00000000FFFFFFFF));
1024 ew32(TDBAH, ((u64)txdr->dma >> 32));
1025 ew32(TDLEN, txdr->count * sizeof(struct e1000_tx_desc));
1026 ew32(TDH, 0);
1027 ew32(TDT, 0);
1028 ew32(TCTL, E1000_TCTL_PSP | E1000_TCTL_EN |
1029 E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
1030 E1000_FDX_COLLISION_DISTANCE << E1000_COLD_SHIFT);
1031
1032 for (i = 0; i < txdr->count; i++) {
1033 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*txdr, i);
1034 struct sk_buff *skb;
1035 unsigned int size = 1024;
1036
1037 skb = alloc_skb(size, GFP_KERNEL);
1038 if (!skb) {
1039 ret_val = 3;
1040 goto err_nomem;
1041 }
1042 skb_put(skb, size);
1043 txdr->buffer_info[i].skb = skb;
1044 txdr->buffer_info[i].length = skb->len;
1045 txdr->buffer_info[i].dma =
1046 dma_map_single(&pdev->dev, skb->data, skb->len,
1047 DMA_TO_DEVICE);
1048 if (dma_mapping_error(&pdev->dev, txdr->buffer_info[i].dma)) {
1049 ret_val = 4;
1050 goto err_nomem;
1051 }
1052 tx_desc->buffer_addr = cpu_to_le64(txdr->buffer_info[i].dma);
1053 tx_desc->lower.data = cpu_to_le32(skb->len);
1054 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
1055 E1000_TXD_CMD_IFCS |
1056 E1000_TXD_CMD_RPS);
1057 tx_desc->upper.data = 0;
1058 }
1059
1060 /* Setup Rx descriptor ring and Rx buffers */
1061
1062 if (!rxdr->count)
1063 rxdr->count = E1000_DEFAULT_RXD;
1064
1065 rxdr->buffer_info = kcalloc(rxdr->count, sizeof(struct e1000_rx_buffer),
1066 GFP_KERNEL);
1067 if (!rxdr->buffer_info) {
1068 ret_val = 5;
1069 goto err_nomem;
1070 }
1071
1072 rxdr->size = rxdr->count * sizeof(struct e1000_rx_desc);
1073 rxdr->desc = dma_zalloc_coherent(&pdev->dev, rxdr->size, &rxdr->dma,
1074 GFP_KERNEL);
1075 if (!rxdr->desc) {
1076 ret_val = 6;
1077 goto err_nomem;
1078 }
1079 rxdr->next_to_use = rxdr->next_to_clean = 0;
1080
1081 rctl = er32(RCTL);
1082 ew32(RCTL, rctl & ~E1000_RCTL_EN);
1083 ew32(RDBAL, ((u64)rxdr->dma & 0xFFFFFFFF));
1084 ew32(RDBAH, ((u64)rxdr->dma >> 32));
1085 ew32(RDLEN, rxdr->size);
1086 ew32(RDH, 0);
1087 ew32(RDT, 0);
1088 rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
1089 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
1090 (hw->mc_filter_type << E1000_RCTL_MO_SHIFT);
1091 ew32(RCTL, rctl);
1092
1093 for (i = 0; i < rxdr->count; i++) {
1094 struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rxdr, i);
1095 u8 *buf;
1096
1097 buf = kzalloc(E1000_RXBUFFER_2048 + NET_SKB_PAD + NET_IP_ALIGN,
1098 GFP_KERNEL);
1099 if (!buf) {
1100 ret_val = 7;
1101 goto err_nomem;
1102 }
1103 rxdr->buffer_info[i].rxbuf.data = buf;
1104
1105 rxdr->buffer_info[i].dma =
1106 dma_map_single(&pdev->dev,
1107 buf + NET_SKB_PAD + NET_IP_ALIGN,
1108 E1000_RXBUFFER_2048, DMA_FROM_DEVICE);
1109 if (dma_mapping_error(&pdev->dev, rxdr->buffer_info[i].dma)) {
1110 ret_val = 8;
1111 goto err_nomem;
1112 }
1113 rx_desc->buffer_addr = cpu_to_le64(rxdr->buffer_info[i].dma);
1114 }
1115
1116 return 0;
1117
1118 err_nomem:
1119 e1000_free_desc_rings(adapter);
1120 return ret_val;
1121 }
1122
1123 static void e1000_phy_disable_receiver(struct e1000_adapter *adapter)
1124 {
1125 struct e1000_hw *hw = &adapter->hw;
1126
1127 /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1128 e1000_write_phy_reg(hw, 29, 0x001F);
1129 e1000_write_phy_reg(hw, 30, 0x8FFC);
1130 e1000_write_phy_reg(hw, 29, 0x001A);
1131 e1000_write_phy_reg(hw, 30, 0x8FF0);
1132 }
1133
1134 static void e1000_phy_reset_clk_and_crs(struct e1000_adapter *adapter)
1135 {
1136 struct e1000_hw *hw = &adapter->hw;
1137 u16 phy_reg;
1138
1139 /* Because we reset the PHY above, we need to re-force TX_CLK in the
1140 * Extended PHY Specific Control Register to 25MHz clock. This
1141 * value defaults back to a 2.5MHz clock when the PHY is reset.
1142 */
1143 e1000_read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
1144 phy_reg |= M88E1000_EPSCR_TX_CLK_25;
1145 e1000_write_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, phy_reg);
1146
1147 /* In addition, because of the s/w reset above, we need to enable
1148 * CRS on TX. This must be set for both full and half duplex
1149 * operation.
1150 */
1151 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);
1152 phy_reg |= M88E1000_PSCR_ASSERT_CRS_ON_TX;
1153 e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_reg);
1154 }
1155
1156 static int e1000_nonintegrated_phy_loopback(struct e1000_adapter *adapter)
1157 {
1158 struct e1000_hw *hw = &adapter->hw;
1159 u32 ctrl_reg;
1160 u16 phy_reg;
1161
1162 /* Setup the Device Control Register for PHY loopback test. */
1163
1164 ctrl_reg = er32(CTRL);
1165 ctrl_reg |= (E1000_CTRL_ILOS | /* Invert Loss-Of-Signal */
1166 E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1167 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1168 E1000_CTRL_SPD_1000 | /* Force Speed to 1000 */
1169 E1000_CTRL_FD); /* Force Duplex to FULL */
1170
1171 ew32(CTRL, ctrl_reg);
1172
1173 /* Read the PHY Specific Control Register (0x10) */
1174 e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);
1175
1176 /* Clear Auto-Crossover bits in PHY Specific Control Register
1177 * (bits 6:5).
1178 */
1179 phy_reg &= ~M88E1000_PSCR_AUTO_X_MODE;
1180 e1000_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_reg);
1181
1182 /* Perform software reset on the PHY */
1183 e1000_phy_reset(hw);
1184
1185 /* Have to setup TX_CLK and TX_CRS after software reset */
1186 e1000_phy_reset_clk_and_crs(adapter);
1187
1188 e1000_write_phy_reg(hw, PHY_CTRL, 0x8100);
1189
1190 /* Wait for reset to complete. */
1191 udelay(500);
1192
1193 /* Have to setup TX_CLK and TX_CRS after software reset */
1194 e1000_phy_reset_clk_and_crs(adapter);
1195
1196 /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1197 e1000_phy_disable_receiver(adapter);
1198
1199 /* Set the loopback bit in the PHY control register. */
1200 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1201 phy_reg |= MII_CR_LOOPBACK;
1202 e1000_write_phy_reg(hw, PHY_CTRL, phy_reg);
1203
1204 /* Setup TX_CLK and TX_CRS one more time. */
1205 e1000_phy_reset_clk_and_crs(adapter);
1206
1207 /* Check Phy Configuration */
1208 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1209 if (phy_reg != 0x4100)
1210 return 9;
1211
1212 e1000_read_phy_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
1213 if (phy_reg != 0x0070)
1214 return 10;
1215
1216 e1000_read_phy_reg(hw, 29, &phy_reg);
1217 if (phy_reg != 0x001A)
1218 return 11;
1219
1220 return 0;
1221 }
1222
1223 static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
1224 {
1225 struct e1000_hw *hw = &adapter->hw;
1226 u32 ctrl_reg = 0;
1227 u32 stat_reg = 0;
1228
1229 hw->autoneg = false;
1230
1231 if (hw->phy_type == e1000_phy_m88) {
1232 /* Auto-MDI/MDIX Off */
1233 e1000_write_phy_reg(hw,
1234 M88E1000_PHY_SPEC_CTRL, 0x0808);
1235 /* reset to update Auto-MDI/MDIX */
1236 e1000_write_phy_reg(hw, PHY_CTRL, 0x9140);
1237 /* autoneg off */
1238 e1000_write_phy_reg(hw, PHY_CTRL, 0x8140);
1239 }
1240
1241 ctrl_reg = er32(CTRL);
1242
1243 /* force 1000, set loopback */
1244 e1000_write_phy_reg(hw, PHY_CTRL, 0x4140);
1245
1246 /* Now set up the MAC to the same speed/duplex as the PHY. */
1247 ctrl_reg = er32(CTRL);
1248 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1249 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1250 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1251 E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
1252 E1000_CTRL_FD); /* Force Duplex to FULL */
1253
1254 if (hw->media_type == e1000_media_type_copper &&
1255 hw->phy_type == e1000_phy_m88)
1256 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
1257 else {
1258 /* Set the ILOS bit on the fiber Nic is half
1259 * duplex link is detected.
1260 */
1261 stat_reg = er32(STATUS);
1262 if ((stat_reg & E1000_STATUS_FD) == 0)
1263 ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
1264 }
1265
1266 ew32(CTRL, ctrl_reg);
1267
1268 /* Disable the receiver on the PHY so when a cable is plugged in, the
1269 * PHY does not begin to autoneg when a cable is reconnected to the NIC.
1270 */
1271 if (hw->phy_type == e1000_phy_m88)
1272 e1000_phy_disable_receiver(adapter);
1273
1274 udelay(500);
1275
1276 return 0;
1277 }
1278
1279 static int e1000_set_phy_loopback(struct e1000_adapter *adapter)
1280 {
1281 struct e1000_hw *hw = &adapter->hw;
1282 u16 phy_reg = 0;
1283 u16 count = 0;
1284
1285 switch (hw->mac_type) {
1286 case e1000_82543:
1287 if (hw->media_type == e1000_media_type_copper) {
1288 /* Attempt to setup Loopback mode on Non-integrated PHY.
1289 * Some PHY registers get corrupted at random, so
1290 * attempt this 10 times.
1291 */
1292 while (e1000_nonintegrated_phy_loopback(adapter) &&
1293 count++ < 10);
1294 if (count < 11)
1295 return 0;
1296 }
1297 break;
1298
1299 case e1000_82544:
1300 case e1000_82540:
1301 case e1000_82545:
1302 case e1000_82545_rev_3:
1303 case e1000_82546:
1304 case e1000_82546_rev_3:
1305 case e1000_82541:
1306 case e1000_82541_rev_2:
1307 case e1000_82547:
1308 case e1000_82547_rev_2:
1309 return e1000_integrated_phy_loopback(adapter);
1310 default:
1311 /* Default PHY loopback work is to read the MII
1312 * control register and assert bit 14 (loopback mode).
1313 */
1314 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1315 phy_reg |= MII_CR_LOOPBACK;
1316 e1000_write_phy_reg(hw, PHY_CTRL, phy_reg);
1317 return 0;
1318 }
1319
1320 return 8;
1321 }
1322
1323 static int e1000_setup_loopback_test(struct e1000_adapter *adapter)
1324 {
1325 struct e1000_hw *hw = &adapter->hw;
1326 u32 rctl;
1327
1328 if (hw->media_type == e1000_media_type_fiber ||
1329 hw->media_type == e1000_media_type_internal_serdes) {
1330 switch (hw->mac_type) {
1331 case e1000_82545:
1332 case e1000_82546:
1333 case e1000_82545_rev_3:
1334 case e1000_82546_rev_3:
1335 return e1000_set_phy_loopback(adapter);
1336 default:
1337 rctl = er32(RCTL);
1338 rctl |= E1000_RCTL_LBM_TCVR;
1339 ew32(RCTL, rctl);
1340 return 0;
1341 }
1342 } else if (hw->media_type == e1000_media_type_copper) {
1343 return e1000_set_phy_loopback(adapter);
1344 }
1345
1346 return 7;
1347 }
1348
1349 static void e1000_loopback_cleanup(struct e1000_adapter *adapter)
1350 {
1351 struct e1000_hw *hw = &adapter->hw;
1352 u32 rctl;
1353 u16 phy_reg;
1354
1355 rctl = er32(RCTL);
1356 rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
1357 ew32(RCTL, rctl);
1358
1359 switch (hw->mac_type) {
1360 case e1000_82545:
1361 case e1000_82546:
1362 case e1000_82545_rev_3:
1363 case e1000_82546_rev_3:
1364 default:
1365 hw->autoneg = true;
1366 e1000_read_phy_reg(hw, PHY_CTRL, &phy_reg);
1367 if (phy_reg & MII_CR_LOOPBACK) {
1368 phy_reg &= ~MII_CR_LOOPBACK;
1369 e1000_write_phy_reg(hw, PHY_CTRL, phy_reg);
1370 e1000_phy_reset(hw);
1371 }
1372 break;
1373 }
1374 }
1375
1376 static void e1000_create_lbtest_frame(struct sk_buff *skb,
1377 unsigned int frame_size)
1378 {
1379 memset(skb->data, 0xFF, frame_size);
1380 frame_size &= ~1;
1381 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1382 memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
1383 memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
1384 }
1385
1386 static int e1000_check_lbtest_frame(const unsigned char *data,
1387 unsigned int frame_size)
1388 {
1389 frame_size &= ~1;
1390 if (*(data + 3) == 0xFF) {
1391 if ((*(data + frame_size / 2 + 10) == 0xBE) &&
1392 (*(data + frame_size / 2 + 12) == 0xAF)) {
1393 return 0;
1394 }
1395 }
1396 return 13;
1397 }
1398
1399 static int e1000_run_loopback_test(struct e1000_adapter *adapter)
1400 {
1401 struct e1000_hw *hw = &adapter->hw;
1402 struct e1000_tx_ring *txdr = &adapter->test_tx_ring;
1403 struct e1000_rx_ring *rxdr = &adapter->test_rx_ring;
1404 struct pci_dev *pdev = adapter->pdev;
1405 int i, j, k, l, lc, good_cnt, ret_val = 0;
1406 unsigned long time;
1407
1408 ew32(RDT, rxdr->count - 1);
1409
1410 /* Calculate the loop count based on the largest descriptor ring
1411 * The idea is to wrap the largest ring a number of times using 64
1412 * send/receive pairs during each loop
1413 */
1414
1415 if (rxdr->count <= txdr->count)
1416 lc = ((txdr->count / 64) * 2) + 1;
1417 else
1418 lc = ((rxdr->count / 64) * 2) + 1;
1419
1420 k = l = 0;
1421 for (j = 0; j <= lc; j++) { /* loop count loop */
1422 for (i = 0; i < 64; i++) { /* send the packets */
1423 e1000_create_lbtest_frame(txdr->buffer_info[i].skb,
1424 1024);
1425 dma_sync_single_for_device(&pdev->dev,
1426 txdr->buffer_info[k].dma,
1427 txdr->buffer_info[k].length,
1428 DMA_TO_DEVICE);
1429 if (unlikely(++k == txdr->count))
1430 k = 0;
1431 }
1432 ew32(TDT, k);
1433 E1000_WRITE_FLUSH();
1434 msleep(200);
1435 time = jiffies; /* set the start time for the receive */
1436 good_cnt = 0;
1437 do { /* receive the sent packets */
1438 dma_sync_single_for_cpu(&pdev->dev,
1439 rxdr->buffer_info[l].dma,
1440 E1000_RXBUFFER_2048,
1441 DMA_FROM_DEVICE);
1442
1443 ret_val = e1000_check_lbtest_frame(
1444 rxdr->buffer_info[l].rxbuf.data +
1445 NET_SKB_PAD + NET_IP_ALIGN,
1446 1024);
1447 if (!ret_val)
1448 good_cnt++;
1449 if (unlikely(++l == rxdr->count))
1450 l = 0;
1451 /* time + 20 msecs (200 msecs on 2.4) is more than
1452 * enough time to complete the receives, if it's
1453 * exceeded, break and error off
1454 */
1455 } while (good_cnt < 64 && time_after(time + 20, jiffies));
1456
1457 if (good_cnt != 64) {
1458 ret_val = 13; /* ret_val is the same as mis-compare */
1459 break;
1460 }
1461 if (time_after_eq(jiffies, time + 2)) {
1462 ret_val = 14; /* error code for time out error */
1463 break;
1464 }
1465 } /* end loop count loop */
1466 return ret_val;
1467 }
1468
1469 static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data)
1470 {
1471 *data = e1000_setup_desc_rings(adapter);
1472 if (*data)
1473 goto out;
1474 *data = e1000_setup_loopback_test(adapter);
1475 if (*data)
1476 goto err_loopback;
1477 *data = e1000_run_loopback_test(adapter);
1478 e1000_loopback_cleanup(adapter);
1479
1480 err_loopback:
1481 e1000_free_desc_rings(adapter);
1482 out:
1483 return *data;
1484 }
1485
1486 static int e1000_link_test(struct e1000_adapter *adapter, u64 *data)
1487 {
1488 struct e1000_hw *hw = &adapter->hw;
1489 *data = 0;
1490 if (hw->media_type == e1000_media_type_internal_serdes) {
1491 int i = 0;
1492
1493 hw->serdes_has_link = false;
1494
1495 /* On some blade server designs, link establishment
1496 * could take as long as 2-3 minutes
1497 */
1498 do {
1499 e1000_check_for_link(hw);
1500 if (hw->serdes_has_link)
1501 return *data;
1502 msleep(20);
1503 } while (i++ < 3750);
1504
1505 *data = 1;
1506 } else {
1507 e1000_check_for_link(hw);
1508 if (hw->autoneg) /* if auto_neg is set wait for it */
1509 msleep(4000);
1510
1511 if (!(er32(STATUS) & E1000_STATUS_LU))
1512 *data = 1;
1513 }
1514 return *data;
1515 }
1516
1517 static int e1000_get_sset_count(struct net_device *netdev, int sset)
1518 {
1519 switch (sset) {
1520 case ETH_SS_TEST:
1521 return E1000_TEST_LEN;
1522 case ETH_SS_STATS:
1523 return E1000_STATS_LEN;
1524 default:
1525 return -EOPNOTSUPP;
1526 }
1527 }
1528
1529 static void e1000_diag_test(struct net_device *netdev,
1530 struct ethtool_test *eth_test, u64 *data)
1531 {
1532 struct e1000_adapter *adapter = netdev_priv(netdev);
1533 struct e1000_hw *hw = &adapter->hw;
1534 bool if_running = netif_running(netdev);
1535
1536 set_bit(__E1000_TESTING, &adapter->flags);
1537 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1538 /* Offline tests */
1539
1540 /* save speed, duplex, autoneg settings */
1541 u16 autoneg_advertised = hw->autoneg_advertised;
1542 u8 forced_speed_duplex = hw->forced_speed_duplex;
1543 u8 autoneg = hw->autoneg;
1544
1545 e_info(hw, "offline testing starting\n");
1546
1547 /* Link test performed before hardware reset so autoneg doesn't
1548 * interfere with test result
1549 */
1550 if (e1000_link_test(adapter, &data[4]))
1551 eth_test->flags |= ETH_TEST_FL_FAILED;
1552
1553 if (if_running)
1554 /* indicate we're in test mode */
1555 e1000_close(netdev);
1556 else
1557 e1000_reset(adapter);
1558
1559 if (e1000_reg_test(adapter, &data[0]))
1560 eth_test->flags |= ETH_TEST_FL_FAILED;
1561
1562 e1000_reset(adapter);
1563 if (e1000_eeprom_test(adapter, &data[1]))
1564 eth_test->flags |= ETH_TEST_FL_FAILED;
1565
1566 e1000_reset(adapter);
1567 if (e1000_intr_test(adapter, &data[2]))
1568 eth_test->flags |= ETH_TEST_FL_FAILED;
1569
1570 e1000_reset(adapter);
1571 /* make sure the phy is powered up */
1572 e1000_power_up_phy(adapter);
1573 if (e1000_loopback_test(adapter, &data[3]))
1574 eth_test->flags |= ETH_TEST_FL_FAILED;
1575
1576 /* restore speed, duplex, autoneg settings */
1577 hw->autoneg_advertised = autoneg_advertised;
1578 hw->forced_speed_duplex = forced_speed_duplex;
1579 hw->autoneg = autoneg;
1580
1581 e1000_reset(adapter);
1582 clear_bit(__E1000_TESTING, &adapter->flags);
1583 if (if_running)
1584 e1000_open(netdev);
1585 } else {
1586 e_info(hw, "online testing starting\n");
1587 /* Online tests */
1588 if (e1000_link_test(adapter, &data[4]))
1589 eth_test->flags |= ETH_TEST_FL_FAILED;
1590
1591 /* Online tests aren't run; pass by default */
1592 data[0] = 0;
1593 data[1] = 0;
1594 data[2] = 0;
1595 data[3] = 0;
1596
1597 clear_bit(__E1000_TESTING, &adapter->flags);
1598 }
1599 msleep_interruptible(4 * 1000);
1600 }
1601
1602 static int e1000_wol_exclusion(struct e1000_adapter *adapter,
1603 struct ethtool_wolinfo *wol)
1604 {
1605 struct e1000_hw *hw = &adapter->hw;
1606 int retval = 1; /* fail by default */
1607
1608 switch (hw->device_id) {
1609 case E1000_DEV_ID_82542:
1610 case E1000_DEV_ID_82543GC_FIBER:
1611 case E1000_DEV_ID_82543GC_COPPER:
1612 case E1000_DEV_ID_82544EI_FIBER:
1613 case E1000_DEV_ID_82546EB_QUAD_COPPER:
1614 case E1000_DEV_ID_82545EM_FIBER:
1615 case E1000_DEV_ID_82545EM_COPPER:
1616 case E1000_DEV_ID_82546GB_QUAD_COPPER:
1617 case E1000_DEV_ID_82546GB_PCIE:
1618 /* these don't support WoL at all */
1619 wol->supported = 0;
1620 break;
1621 case E1000_DEV_ID_82546EB_FIBER:
1622 case E1000_DEV_ID_82546GB_FIBER:
1623 /* Wake events not supported on port B */
1624 if (er32(STATUS) & E1000_STATUS_FUNC_1) {
1625 wol->supported = 0;
1626 break;
1627 }
1628 /* return success for non excluded adapter ports */
1629 retval = 0;
1630 break;
1631 case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
1632 /* quad port adapters only support WoL on port A */
1633 if (!adapter->quad_port_a) {
1634 wol->supported = 0;
1635 break;
1636 }
1637 /* return success for non excluded adapter ports */
1638 retval = 0;
1639 break;
1640 default:
1641 /* dual port cards only support WoL on port A from now on
1642 * unless it was enabled in the eeprom for port B
1643 * so exclude FUNC_1 ports from having WoL enabled
1644 */
1645 if (er32(STATUS) & E1000_STATUS_FUNC_1 &&
1646 !adapter->eeprom_wol) {
1647 wol->supported = 0;
1648 break;
1649 }
1650
1651 retval = 0;
1652 }
1653
1654 return retval;
1655 }
1656
1657 static void e1000_get_wol(struct net_device *netdev,
1658 struct ethtool_wolinfo *wol)
1659 {
1660 struct e1000_adapter *adapter = netdev_priv(netdev);
1661 struct e1000_hw *hw = &adapter->hw;
1662
1663 wol->supported = WAKE_UCAST | WAKE_MCAST | WAKE_BCAST | WAKE_MAGIC;
1664 wol->wolopts = 0;
1665
1666 /* this function will set ->supported = 0 and return 1 if wol is not
1667 * supported by this hardware
1668 */
1669 if (e1000_wol_exclusion(adapter, wol) ||
1670 !device_can_wakeup(&adapter->pdev->dev))
1671 return;
1672
1673 /* apply any specific unsupported masks here */
1674 switch (hw->device_id) {
1675 case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
1676 /* KSP3 does not support UCAST wake-ups */
1677 wol->supported &= ~WAKE_UCAST;
1678
1679 if (adapter->wol & E1000_WUFC_EX)
1680 e_err(drv, "Interface does not support directed "
1681 "(unicast) frame wake-up packets\n");
1682 break;
1683 default:
1684 break;
1685 }
1686
1687 if (adapter->wol & E1000_WUFC_EX)
1688 wol->wolopts |= WAKE_UCAST;
1689 if (adapter->wol & E1000_WUFC_MC)
1690 wol->wolopts |= WAKE_MCAST;
1691 if (adapter->wol & E1000_WUFC_BC)
1692 wol->wolopts |= WAKE_BCAST;
1693 if (adapter->wol & E1000_WUFC_MAG)
1694 wol->wolopts |= WAKE_MAGIC;
1695 }
1696
1697 static int e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1698 {
1699 struct e1000_adapter *adapter = netdev_priv(netdev);
1700 struct e1000_hw *hw = &adapter->hw;
1701
1702 if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
1703 return -EOPNOTSUPP;
1704
1705 if (e1000_wol_exclusion(adapter, wol) ||
1706 !device_can_wakeup(&adapter->pdev->dev))
1707 return wol->wolopts ? -EOPNOTSUPP : 0;
1708
1709 switch (hw->device_id) {
1710 case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
1711 if (wol->wolopts & WAKE_UCAST) {
1712 e_err(drv, "Interface does not support directed "
1713 "(unicast) frame wake-up packets\n");
1714 return -EOPNOTSUPP;
1715 }
1716 break;
1717 default:
1718 break;
1719 }
1720
1721 /* these settings will always override what we currently have */
1722 adapter->wol = 0;
1723
1724 if (wol->wolopts & WAKE_UCAST)
1725 adapter->wol |= E1000_WUFC_EX;
1726 if (wol->wolopts & WAKE_MCAST)
1727 adapter->wol |= E1000_WUFC_MC;
1728 if (wol->wolopts & WAKE_BCAST)
1729 adapter->wol |= E1000_WUFC_BC;
1730 if (wol->wolopts & WAKE_MAGIC)
1731 adapter->wol |= E1000_WUFC_MAG;
1732
1733 device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
1734
1735 return 0;
1736 }
1737
1738 static int e1000_set_phys_id(struct net_device *netdev,
1739 enum ethtool_phys_id_state state)
1740 {
1741 struct e1000_adapter *adapter = netdev_priv(netdev);
1742 struct e1000_hw *hw = &adapter->hw;
1743
1744 switch (state) {
1745 case ETHTOOL_ID_ACTIVE:
1746 e1000_setup_led(hw);
1747 return 2;
1748
1749 case ETHTOOL_ID_ON:
1750 e1000_led_on(hw);
1751 break;
1752
1753 case ETHTOOL_ID_OFF:
1754 e1000_led_off(hw);
1755 break;
1756
1757 case ETHTOOL_ID_INACTIVE:
1758 e1000_cleanup_led(hw);
1759 }
1760
1761 return 0;
1762 }
1763
1764 static int e1000_get_coalesce(struct net_device *netdev,
1765 struct ethtool_coalesce *ec)
1766 {
1767 struct e1000_adapter *adapter = netdev_priv(netdev);
1768
1769 if (adapter->hw.mac_type < e1000_82545)
1770 return -EOPNOTSUPP;
1771
1772 if (adapter->itr_setting <= 4)
1773 ec->rx_coalesce_usecs = adapter->itr_setting;
1774 else
1775 ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting;
1776
1777 return 0;
1778 }
1779
1780 static int e1000_set_coalesce(struct net_device *netdev,
1781 struct ethtool_coalesce *ec)
1782 {
1783 struct e1000_adapter *adapter = netdev_priv(netdev);
1784 struct e1000_hw *hw = &adapter->hw;
1785
1786 if (hw->mac_type < e1000_82545)
1787 return -EOPNOTSUPP;
1788
1789 if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) ||
1790 ((ec->rx_coalesce_usecs > 4) &&
1791 (ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) ||
1792 (ec->rx_coalesce_usecs == 2))
1793 return -EINVAL;
1794
1795 if (ec->rx_coalesce_usecs == 4) {
1796 adapter->itr = adapter->itr_setting = 4;
1797 } else if (ec->rx_coalesce_usecs <= 3) {
1798 adapter->itr = 20000;
1799 adapter->itr_setting = ec->rx_coalesce_usecs;
1800 } else {
1801 adapter->itr = (1000000 / ec->rx_coalesce_usecs);
1802 adapter->itr_setting = adapter->itr & ~3;
1803 }
1804
1805 if (adapter->itr_setting != 0)
1806 ew32(ITR, 1000000000 / (adapter->itr * 256));
1807 else
1808 ew32(ITR, 0);
1809
1810 return 0;
1811 }
1812
1813 static int e1000_nway_reset(struct net_device *netdev)
1814 {
1815 struct e1000_adapter *adapter = netdev_priv(netdev);
1816
1817 if (netif_running(netdev))
1818 e1000_reinit_locked(adapter);
1819 return 0;
1820 }
1821
1822 static void e1000_get_ethtool_stats(struct net_device *netdev,
1823 struct ethtool_stats *stats, u64 *data)
1824 {
1825 struct e1000_adapter *adapter = netdev_priv(netdev);
1826 int i;
1827 const struct e1000_stats *stat = e1000_gstrings_stats;
1828
1829 e1000_update_stats(adapter);
1830 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++, stat++) {
1831 char *p;
1832
1833 switch (stat->type) {
1834 case NETDEV_STATS:
1835 p = (char *)netdev + stat->stat_offset;
1836 break;
1837 case E1000_STATS:
1838 p = (char *)adapter + stat->stat_offset;
1839 break;
1840 default:
1841 netdev_WARN_ONCE(netdev, "Invalid E1000 stat type: %u index %d\n",
1842 stat->type, i);
1843 continue;
1844 }
1845
1846 if (stat->sizeof_stat == sizeof(u64))
1847 data[i] = *(u64 *)p;
1848 else
1849 data[i] = *(u32 *)p;
1850 }
1851 /* BUG_ON(i != E1000_STATS_LEN); */
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 /* BUG_ON(p - data != E1000_STATS_LEN * ETH_GSTRING_LEN); */
1871 break;
1872 }
1873 }
1874
1875 static const struct ethtool_ops e1000_ethtool_ops = {
1876 .get_drvinfo = e1000_get_drvinfo,
1877 .get_regs_len = e1000_get_regs_len,
1878 .get_regs = e1000_get_regs,
1879 .get_wol = e1000_get_wol,
1880 .set_wol = e1000_set_wol,
1881 .get_msglevel = e1000_get_msglevel,
1882 .set_msglevel = e1000_set_msglevel,
1883 .nway_reset = e1000_nway_reset,
1884 .get_link = e1000_get_link,
1885 .get_eeprom_len = e1000_get_eeprom_len,
1886 .get_eeprom = e1000_get_eeprom,
1887 .set_eeprom = e1000_set_eeprom,
1888 .get_ringparam = e1000_get_ringparam,
1889 .set_ringparam = e1000_set_ringparam,
1890 .get_pauseparam = e1000_get_pauseparam,
1891 .set_pauseparam = e1000_set_pauseparam,
1892 .self_test = e1000_diag_test,
1893 .get_strings = e1000_get_strings,
1894 .set_phys_id = e1000_set_phys_id,
1895 .get_ethtool_stats = e1000_get_ethtool_stats,
1896 .get_sset_count = e1000_get_sset_count,
1897 .get_coalesce = e1000_get_coalesce,
1898 .set_coalesce = e1000_set_coalesce,
1899 .get_ts_info = ethtool_op_get_ts_info,
1900 .get_link_ksettings = e1000_get_link_ksettings,
1901 .set_link_ksettings = e1000_set_link_ksettings,
1902 };
1903
1904 void e1000_set_ethtool_ops(struct net_device *netdev)
1905 {
1906 netdev->ethtool_ops = &e1000_ethtool_ops;
1907 }
Linux with added FPC-III support