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e1000e: check WoL mode is among set of supported modes
[linux-2.6-block.git] / drivers / net / e1000e / ethtool.c
CommitLineData
bc7f75fa
AK		 1/*******************************************************************************
2
3 Intel PRO/1000 Linux driver
ad68076e 4 Copyright(c) 1999 - 2008 Intel Corporation.
bc7f75fa
AK		 5
6 This program is free software; you can redistribute it and/or modify it
7 under the terms and conditions of the GNU General Public License,
8 version 2, as published by the Free Software Foundation.
9
10 This program is distributed in the hope it will be useful, but WITHOUT
11 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
13 more details.
14
15 You should have received a copy of the GNU General Public License along with
16 this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
18
19 The full GNU General Public License is included in this distribution in
20 the file called "COPYING".
21
22 Contact Information:
23 Linux NICS <linux.nics@intel.com>
24 e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
25 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
26
27*******************************************************************************/
28
29/* ethtool support for e1000 */
30
31#include <linux/netdevice.h>
32#include <linux/ethtool.h>
33#include <linux/pci.h>
34#include <linux/delay.h>
35
36#include "e1000.h"
37
e0f36a95
AK		 38enum {NETDEV_STATS, E1000_STATS};
39
bc7f75fa
AK		 40struct e1000_stats {
41 char stat_string[ETH_GSTRING_LEN];
e0f36a95 42 int type;
bc7f75fa
AK		 43 int sizeof_stat;
44 int stat_offset;
45};
46
e0f36a95
AK		 47#define E1000_STAT(m) E1000_STATS, \
48 sizeof(((struct e1000_adapter *)0)->m), \
49 offsetof(struct e1000_adapter, m)
50#define E1000_NETDEV_STAT(m) NETDEV_STATS, \
51 sizeof(((struct net_device *)0)->m), \
52 offsetof(struct net_device, m)
53
bc7f75fa
AK		 54static const struct e1000_stats e1000_gstrings_stats[] = {
55 { "rx_packets", E1000_STAT(stats.gprc) },
56 { "tx_packets", E1000_STAT(stats.gptc) },
7c25769f
BA		 57 { "rx_bytes", E1000_STAT(stats.gorc) },
58 { "tx_bytes", E1000_STAT(stats.gotc) },
bc7f75fa
AK		 59 { "rx_broadcast", E1000_STAT(stats.bprc) },
60 { "tx_broadcast", E1000_STAT(stats.bptc) },
61 { "rx_multicast", E1000_STAT(stats.mprc) },
62 { "tx_multicast", E1000_STAT(stats.mptc) },
7274c20f
AK		 63 { "rx_errors", E1000_NETDEV_STAT(stats.rx_errors) },
64 { "tx_errors", E1000_NETDEV_STAT(stats.tx_errors) },
65 { "tx_dropped", E1000_NETDEV_STAT(stats.tx_dropped) },
bc7f75fa
AK		 66 { "multicast", E1000_STAT(stats.mprc) },
67 { "collisions", E1000_STAT(stats.colc) },
7274c20f
AK		 68 { "rx_length_errors", E1000_NETDEV_STAT(stats.rx_length_errors) },
69 { "rx_over_errors", E1000_NETDEV_STAT(stats.rx_over_errors) },
bc7f75fa 70 { "rx_crc_errors", E1000_STAT(stats.crcerrs) },
7274c20f 71 { "rx_frame_errors", E1000_NETDEV_STAT(stats.rx_frame_errors) },
bc7f75fa
AK		 72 { "rx_no_buffer_count", E1000_STAT(stats.rnbc) },
73 { "rx_missed_errors", E1000_STAT(stats.mpc) },
74 { "tx_aborted_errors", E1000_STAT(stats.ecol) },
75 { "tx_carrier_errors", E1000_STAT(stats.tncrs) },
7274c20f
AK		 76 { "tx_fifo_errors", E1000_NETDEV_STAT(stats.tx_fifo_errors) },
77 { "tx_heartbeat_errors", E1000_NETDEV_STAT(stats.tx_heartbeat_errors) },
bc7f75fa
AK		 78 { "tx_window_errors", E1000_STAT(stats.latecol) },
79 { "tx_abort_late_coll", E1000_STAT(stats.latecol) },
80 { "tx_deferred_ok", E1000_STAT(stats.dc) },
81 { "tx_single_coll_ok", E1000_STAT(stats.scc) },
82 { "tx_multi_coll_ok", E1000_STAT(stats.mcc) },
83 { "tx_timeout_count", E1000_STAT(tx_timeout_count) },
84 { "tx_restart_queue", E1000_STAT(restart_queue) },
85 { "rx_long_length_errors", E1000_STAT(stats.roc) },
86 { "rx_short_length_errors", E1000_STAT(stats.ruc) },
87 { "rx_align_errors", E1000_STAT(stats.algnerrc) },
88 { "tx_tcp_seg_good", E1000_STAT(stats.tsctc) },
89 { "tx_tcp_seg_failed", E1000_STAT(stats.tsctfc) },
90 { "rx_flow_control_xon", E1000_STAT(stats.xonrxc) },
91 { "rx_flow_control_xoff", E1000_STAT(stats.xoffrxc) },
92 { "tx_flow_control_xon", E1000_STAT(stats.xontxc) },
93 { "tx_flow_control_xoff", E1000_STAT(stats.xofftxc) },
7c25769f 94 { "rx_long_byte_count", E1000_STAT(stats.gorc) },
bc7f75fa
AK		 95 { "rx_csum_offload_good", E1000_STAT(hw_csum_good) },
96 { "rx_csum_offload_errors", E1000_STAT(hw_csum_err) },
97 { "rx_header_split", E1000_STAT(rx_hdr_split) },
98 { "alloc_rx_buff_failed", E1000_STAT(alloc_rx_buff_failed) },
99 { "tx_smbus", E1000_STAT(stats.mgptc) },
100 { "rx_smbus", E1000_STAT(stats.mgprc) },
101 { "dropped_smbus", E1000_STAT(stats.mgpdc) },
102 { "rx_dma_failed", E1000_STAT(rx_dma_failed) },
103 { "tx_dma_failed", E1000_STAT(tx_dma_failed) },
104};
105
c00acf46 106#define E1000_GLOBAL_STATS_LEN ARRAY_SIZE(e1000_gstrings_stats)
bc7f75fa
AK		 107#define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN)
108static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = {
109 "Register test (offline)", "Eeprom test (offline)",
110 "Interrupt test (offline)", "Loopback test (offline)",
111 "Link test (on/offline)"
112};
ad68076e 113#define E1000_TEST_LEN ARRAY_SIZE(e1000_gstrings_test)
bc7f75fa
AK		 114
115static int e1000_get_settings(struct net_device *netdev,
116 struct ethtool_cmd *ecmd)
117{
118 struct e1000_adapter *adapter = netdev_priv(netdev);
119 struct e1000_hw *hw = &adapter->hw;
369d742d 120 u32 status;
bc7f75fa 121
318a94d6 122 if (hw->phy.media_type == e1000_media_type_copper) {
bc7f75fa
AK		 123
124 ecmd->supported = (SUPPORTED_10baseT_Half |
125 SUPPORTED_10baseT_Full |
126 SUPPORTED_100baseT_Half |
127 SUPPORTED_100baseT_Full |
128 SUPPORTED_1000baseT_Full |
129 SUPPORTED_Autoneg |
130 SUPPORTED_TP);
131 if (hw->phy.type == e1000_phy_ife)
132 ecmd->supported &= ~SUPPORTED_1000baseT_Full;
133 ecmd->advertising = ADVERTISED_TP;
134
135 if (hw->mac.autoneg == 1) {
136 ecmd->advertising |= ADVERTISED_Autoneg;
137 /* the e1000 autoneg seems to match ethtool nicely */
138 ecmd->advertising |= hw->phy.autoneg_advertised;
139 }
140
141 ecmd->port = PORT_TP;
142 ecmd->phy_address = hw->phy.addr;
143 ecmd->transceiver = XCVR_INTERNAL;
144
145 } else {
146 ecmd->supported = (SUPPORTED_1000baseT_Full |
147 SUPPORTED_FIBRE |
148 SUPPORTED_Autoneg);
149
150 ecmd->advertising = (ADVERTISED_1000baseT_Full |
151 ADVERTISED_FIBRE |
152 ADVERTISED_Autoneg);
153
154 ecmd->port = PORT_FIBRE;
155 ecmd->transceiver = XCVR_EXTERNAL;
156 }
157
369d742d
AK		 158 status = er32(STATUS);
159 if (status & E1000_STATUS_LU) {
160 if (status & E1000_STATUS_SPEED_1000)
161 ecmd->speed = 1000;
162 else if (status & E1000_STATUS_SPEED_100)
163 ecmd->speed = 100;
164 else
165 ecmd->speed = 10;
bc7f75fa 166
369d742d 167 if (status & E1000_STATUS_FD)
bc7f75fa
AK		 168 ecmd->duplex = DUPLEX_FULL;
169 else
170 ecmd->duplex = DUPLEX_HALF;
171 } else {
172 ecmd->speed = -1;
173 ecmd->duplex = -1;
174 }
175
318a94d6 176 ecmd->autoneg = ((hw->phy.media_type == e1000_media_type_fiber) ||
bc7f75fa 177 hw->mac.autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE;
18760f1e
CL		 178
179 /* MDI-X => 2; MDI =>1; Invalid =>0 */
180 if ((hw->phy.media_type == e1000_media_type_copper) &&
181 !hw->mac.get_link_status)
182 ecmd->eth_tp_mdix = hw->phy.is_mdix ? ETH_TP_MDI_X :
183 ETH_TP_MDI;
184 else
185 ecmd->eth_tp_mdix = ETH_TP_MDI_INVALID;
186
bc7f75fa
AK		 187 return 0;
188}
189
369d742d
AK		 190static u32 e1000_get_link(struct net_device *netdev)
191{
192 struct e1000_adapter *adapter = netdev_priv(netdev);
a20e4cf9
BA		 193
194 return e1000_has_link(adapter);
369d742d
AK		 195}
196
bc7f75fa
AK		 197static int e1000_set_spd_dplx(struct e1000_adapter *adapter, u16 spddplx)
198{
199 struct e1000_mac_info *mac = &adapter->hw.mac;
200
201 mac->autoneg = 0;
202
203 /* Fiber NICs only allow 1000 gbps Full duplex */
318a94d6 204 if ((adapter->hw.phy.media_type == e1000_media_type_fiber) &&
bc7f75fa 205 spddplx != (SPEED_1000 + DUPLEX_FULL)) {
44defeb3 206 e_err("Unsupported Speed/Duplex configuration\n");
bc7f75fa
AK		 207 return -EINVAL;
208 }
209
210 switch (spddplx) {
211 case SPEED_10 + DUPLEX_HALF:
212 mac->forced_speed_duplex = ADVERTISE_10_HALF;
213 break;
214 case SPEED_10 + DUPLEX_FULL:
215 mac->forced_speed_duplex = ADVERTISE_10_FULL;
216 break;
217 case SPEED_100 + DUPLEX_HALF:
218 mac->forced_speed_duplex = ADVERTISE_100_HALF;
219 break;
220 case SPEED_100 + DUPLEX_FULL:
221 mac->forced_speed_duplex = ADVERTISE_100_FULL;
222 break;
223 case SPEED_1000 + DUPLEX_FULL:
224 mac->autoneg = 1;
225 adapter->hw.phy.autoneg_advertised = ADVERTISE_1000_FULL;
226 break;
227 case SPEED_1000 + DUPLEX_HALF: /* not supported */
228 default:
44defeb3 229 e_err("Unsupported Speed/Duplex configuration\n");
bc7f75fa
AK		 230 return -EINVAL;
231 }
232 return 0;
233}
234
235static int e1000_set_settings(struct net_device *netdev,
236 struct ethtool_cmd *ecmd)
237{
238 struct e1000_adapter *adapter = netdev_priv(netdev);
239 struct e1000_hw *hw = &adapter->hw;
240
ad68076e
BA		 241 /*
242 * When SoL/IDER sessions are active, autoneg/speed/duplex
243 * cannot be changed
244 */
bc7f75fa 245 if (e1000_check_reset_block(hw)) {
44defeb3
JK		 246 e_err("Cannot change link characteristics when SoL/IDER is "
247 "active.\n");
bc7f75fa
AK		 248 return -EINVAL;
249 }
250
251 while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
252 msleep(1);
253
254 if (ecmd->autoneg == AUTONEG_ENABLE) {
255 hw->mac.autoneg = 1;
318a94d6 256 if (hw->phy.media_type == e1000_media_type_fiber)
bc7f75fa
AK		 257 hw->phy.autoneg_advertised = ADVERTISED_1000baseT_Full |
258 ADVERTISED_FIBRE |
259 ADVERTISED_Autoneg;
260 else
261 hw->phy.autoneg_advertised = ecmd->advertising |
262 ADVERTISED_TP |
263 ADVERTISED_Autoneg;
264 ecmd->advertising = hw->phy.autoneg_advertised;
318a94d6 265 if (adapter->fc_autoneg)
5c48ef3e 266 hw->fc.requested_mode = e1000_fc_default;
bc7f75fa
AK		 267 } else {
268 if (e1000_set_spd_dplx(adapter, ecmd->speed + ecmd->duplex)) {
269 clear_bit(__E1000_RESETTING, &adapter->state);
270 return -EINVAL;
271 }
272 }
273
274 /* reset the link */
275
276 if (netif_running(adapter->netdev)) {
277 e1000e_down(adapter);
278 e1000e_up(adapter);
279 } else {
280 e1000e_reset(adapter);
281 }
282
283 clear_bit(__E1000_RESETTING, &adapter->state);
284 return 0;
285}
286
287static void e1000_get_pauseparam(struct net_device *netdev,
288 struct ethtool_pauseparam *pause)
289{
290 struct e1000_adapter *adapter = netdev_priv(netdev);
291 struct e1000_hw *hw = &adapter->hw;
292
293 pause->autoneg =
294 (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE);
295
5c48ef3e 296 if (hw->fc.current_mode == e1000_fc_rx_pause) {
bc7f75fa 297 pause->rx_pause = 1;
5c48ef3e 298 } else if (hw->fc.current_mode == e1000_fc_tx_pause) {
bc7f75fa 299 pause->tx_pause = 1;
5c48ef3e 300 } else if (hw->fc.current_mode == e1000_fc_full) {
bc7f75fa
AK		 301 pause->rx_pause = 1;
302 pause->tx_pause = 1;
303 }
304}
305
306static int e1000_set_pauseparam(struct net_device *netdev,
307 struct ethtool_pauseparam *pause)
308{
309 struct e1000_adapter *adapter = netdev_priv(netdev);
310 struct e1000_hw *hw = &adapter->hw;
311 int retval = 0;
312
313 adapter->fc_autoneg = pause->autoneg;
314
315 while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
316 msleep(1);
317
bc7f75fa 318 if (adapter->fc_autoneg == AUTONEG_ENABLE) {
5c48ef3e 319 hw->fc.requested_mode = e1000_fc_default;
bc7f75fa
AK		 320 if (netif_running(adapter->netdev)) {
321 e1000e_down(adapter);
322 e1000e_up(adapter);
323 } else {
324 e1000e_reset(adapter);
325 }
326 } else {
5c48ef3e
BA		 327 if (pause->rx_pause && pause->tx_pause)
328 hw->fc.requested_mode = e1000_fc_full;
329 else if (pause->rx_pause && !pause->tx_pause)
330 hw->fc.requested_mode = e1000_fc_rx_pause;
331 else if (!pause->rx_pause && pause->tx_pause)
332 hw->fc.requested_mode = e1000_fc_tx_pause;
333 else if (!pause->rx_pause && !pause->tx_pause)
334 hw->fc.requested_mode = e1000_fc_none;
335
336 hw->fc.current_mode = hw->fc.requested_mode;
337
945eb313
BA		 338 if (hw->phy.media_type == e1000_media_type_fiber) {
339 retval = hw->mac.ops.setup_link(hw);
340 /* implicit goto out */
341 } else {
342 retval = e1000e_force_mac_fc(hw);
343 if (retval)
344 goto out;
345 e1000e_set_fc_watermarks(hw);
346 }
bc7f75fa
AK		 347 }
348
945eb313 349out:
bc7f75fa
AK		 350 clear_bit(__E1000_RESETTING, &adapter->state);
351 return retval;
352}
353
354static u32 e1000_get_rx_csum(struct net_device *netdev)
355{
356 struct e1000_adapter *adapter = netdev_priv(netdev);
357 return (adapter->flags & FLAG_RX_CSUM_ENABLED);
358}
359
360static int e1000_set_rx_csum(struct net_device *netdev, u32 data)
361{
362 struct e1000_adapter *adapter = netdev_priv(netdev);
363
364 if (data)
365 adapter->flags |= FLAG_RX_CSUM_ENABLED;
366 else
367 adapter->flags &= ~FLAG_RX_CSUM_ENABLED;
368
369 if (netif_running(netdev))
370 e1000e_reinit_locked(adapter);
371 else
372 e1000e_reset(adapter);
373 return 0;
374}
375
376static u32 e1000_get_tx_csum(struct net_device *netdev)
377{
378 return ((netdev->features & NETIF_F_HW_CSUM) != 0);
379}
380
381static int e1000_set_tx_csum(struct net_device *netdev, u32 data)
382{
383 if (data)
384 netdev->features |= NETIF_F_HW_CSUM;
385 else
386 netdev->features &= ~NETIF_F_HW_CSUM;
387
388 return 0;
389}
390
391static int e1000_set_tso(struct net_device *netdev, u32 data)
392{
393 struct e1000_adapter *adapter = netdev_priv(netdev);
394
395 if (data) {
396 netdev->features |= NETIF_F_TSO;
397 netdev->features |= NETIF_F_TSO6;
398 } else {
399 netdev->features &= ~NETIF_F_TSO;
400 netdev->features &= ~NETIF_F_TSO6;
401 }
402
44defeb3 403 e_info("TSO is %s\n", data ? "Enabled" : "Disabled");
bc7f75fa
AK		 404 adapter->flags |= FLAG_TSO_FORCE;
405 return 0;
406}
407
408static u32 e1000_get_msglevel(struct net_device *netdev)
409{
410 struct e1000_adapter *adapter = netdev_priv(netdev);
411 return adapter->msg_enable;
412}
413
414static void e1000_set_msglevel(struct net_device *netdev, u32 data)
415{
416 struct e1000_adapter *adapter = netdev_priv(netdev);
417 adapter->msg_enable = data;
418}
419
420static int e1000_get_regs_len(struct net_device *netdev)
421{
422#define E1000_REGS_LEN 32 /* overestimate */
423 return E1000_REGS_LEN * sizeof(u32);
424}
425
426static void e1000_get_regs(struct net_device *netdev,
427 struct ethtool_regs *regs, void *p)
428{
429 struct e1000_adapter *adapter = netdev_priv(netdev);
430 struct e1000_hw *hw = &adapter->hw;
431 u32 *regs_buff = p;
432 u16 phy_data;
433 u8 revision_id;
434
435 memset(p, 0, E1000_REGS_LEN * sizeof(u32));
436
437 pci_read_config_byte(adapter->pdev, PCI_REVISION_ID, &revision_id);
438
439 regs->version = (1 << 24) | (revision_id << 16) | adapter->pdev->device;
440
441 regs_buff[0] = er32(CTRL);
442 regs_buff[1] = er32(STATUS);
443
444 regs_buff[2] = er32(RCTL);
445 regs_buff[3] = er32(RDLEN);
446 regs_buff[4] = er32(RDH);
447 regs_buff[5] = er32(RDT);
448 regs_buff[6] = er32(RDTR);
449
450 regs_buff[7] = er32(TCTL);
451 regs_buff[8] = er32(TDLEN);
452 regs_buff[9] = er32(TDH);
453 regs_buff[10] = er32(TDT);
454 regs_buff[11] = er32(TIDV);
455
456 regs_buff[12] = adapter->hw.phy.type; /* PHY type (IGP=1, M88=0) */
23033fad
JB		 457
458 /* ethtool doesn't use anything past this point, so all this
459 * code is likely legacy junk for apps that may or may not
460 * exist */
bc7f75fa
AK		 461 if (hw->phy.type == e1000_phy_m88) {
462 e1e_rphy(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
463 regs_buff[13] = (u32)phy_data; /* cable length */
464 regs_buff[14] = 0; /* Dummy (to align w/ IGP phy reg dump) */
465 regs_buff[15] = 0; /* Dummy (to align w/ IGP phy reg dump) */
466 regs_buff[16] = 0; /* Dummy (to align w/ IGP phy reg dump) */
467 e1e_rphy(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
468 regs_buff[17] = (u32)phy_data; /* extended 10bt distance */
469 regs_buff[18] = regs_buff[13]; /* cable polarity */
470 regs_buff[19] = 0; /* Dummy (to align w/ IGP phy reg dump) */
471 regs_buff[20] = regs_buff[17]; /* polarity correction */
472 /* phy receive errors */
473 regs_buff[22] = adapter->phy_stats.receive_errors;
474 regs_buff[23] = regs_buff[13]; /* mdix mode */
475 }
23033fad 476 regs_buff[21] = 0; /* was idle_errors */
bc7f75fa
AK		 477 e1e_rphy(hw, PHY_1000T_STATUS, &phy_data);
478 regs_buff[24] = (u32)phy_data; /* phy local receiver status */
479 regs_buff[25] = regs_buff[24]; /* phy remote receiver status */
480}
481
482static int e1000_get_eeprom_len(struct net_device *netdev)
483{
484 struct e1000_adapter *adapter = netdev_priv(netdev);
485 return adapter->hw.nvm.word_size * 2;
486}
487
488static int e1000_get_eeprom(struct net_device *netdev,
489 struct ethtool_eeprom *eeprom, u8 *bytes)
490{
491 struct e1000_adapter *adapter = netdev_priv(netdev);
492 struct e1000_hw *hw = &adapter->hw;
493 u16 *eeprom_buff;
494 int first_word;
495 int last_word;
496 int ret_val = 0;
497 u16 i;
498
499 if (eeprom->len == 0)
500 return -EINVAL;
501
502 eeprom->magic = adapter->pdev->vendor | (adapter->pdev->device << 16);
503
504 first_word = eeprom->offset >> 1;
505 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
506
507 eeprom_buff = kmalloc(sizeof(u16) *
508 (last_word - first_word + 1), GFP_KERNEL);
509 if (!eeprom_buff)
510 return -ENOMEM;
511
512 if (hw->nvm.type == e1000_nvm_eeprom_spi) {
513 ret_val = e1000_read_nvm(hw, first_word,
514 last_word - first_word + 1,
515 eeprom_buff);
516 } else {
517 for (i = 0; i < last_word - first_word + 1; i++) {
518 ret_val = e1000_read_nvm(hw, first_word + i, 1,
519 &eeprom_buff[i]);
e243455d 520 if (ret_val)
bc7f75fa
AK		 521 break;
522 }
523 }
524
e243455d
BA		 525 if (ret_val) {
526 /* a read error occurred, throw away the result */
527 memset(eeprom_buff, 0xff, sizeof(eeprom_buff));
528 } else {
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 }
bc7f75fa
AK		 533
534 memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
535 kfree(eeprom_buff);
536
537 return ret_val;
538}
539
540static int e1000_set_eeprom(struct net_device *netdev,
541 struct ethtool_eeprom *eeprom, u8 *bytes)
542{
543 struct e1000_adapter *adapter = netdev_priv(netdev);
544 struct e1000_hw *hw = &adapter->hw;
545 u16 *eeprom_buff;
546 void *ptr;
547 int max_len;
548 int first_word;
549 int last_word;
550 int ret_val = 0;
551 u16 i;
552
553 if (eeprom->len == 0)
554 return -EOPNOTSUPP;
555
556 if (eeprom->magic != (adapter->pdev->vendor | (adapter->pdev->device << 16)))
557 return -EFAULT;
558
4a770358
BA		 559 if (adapter->flags & FLAG_READ_ONLY_NVM)
560 return -EINVAL;
561
bc7f75fa
AK		 562 max_len = hw->nvm.word_size * 2;
563
564 first_word = eeprom->offset >> 1;
565 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
566 eeprom_buff = kmalloc(max_len, GFP_KERNEL);
567 if (!eeprom_buff)
568 return -ENOMEM;
569
570 ptr = (void *)eeprom_buff;
571
572 if (eeprom->offset & 1) {
573 /* need read/modify/write of first changed EEPROM word */
574 /* only the second byte of the word is being modified */
575 ret_val = e1000_read_nvm(hw, first_word, 1, &eeprom_buff[0]);
576 ptr++;
577 }
578 if (((eeprom->offset + eeprom->len) & 1) && (ret_val == 0))
579 /* need read/modify/write of last changed EEPROM word */
580 /* only the first byte of the word is being modified */
581 ret_val = e1000_read_nvm(hw, last_word, 1,
582 &eeprom_buff[last_word - first_word]);
583
e243455d
BA		 584 if (ret_val)
585 goto out;
586
bc7f75fa
AK		 587 /* Device's eeprom is always little-endian, word addressable */
588 for (i = 0; i < last_word - first_word + 1; i++)
589 le16_to_cpus(&eeprom_buff[i]);
590
591 memcpy(ptr, bytes, eeprom->len);
592
593 for (i = 0; i < last_word - first_word + 1; i++)
594 eeprom_buff[i] = cpu_to_le16(eeprom_buff[i]);
595
596 ret_val = e1000_write_nvm(hw, first_word,
597 last_word - first_word + 1, eeprom_buff);
598
e243455d
BA		 599 if (ret_val)
600 goto out;
601
ad68076e
BA		 602 /*
603 * Update the checksum over the first part of the EEPROM if needed
e243455d 604 * and flush shadow RAM for applicable controllers
ad68076e 605 */
e243455d
BA		 606 if ((first_word <= NVM_CHECKSUM_REG) ||
607 (hw->mac.type == e1000_82574) || (hw->mac.type == e1000_82573))
608 ret_val = e1000e_update_nvm_checksum(hw);
bc7f75fa 609
e243455d 610out:
bc7f75fa
AK		 611 kfree(eeprom_buff);
612 return ret_val;
613}
614
615static void e1000_get_drvinfo(struct net_device *netdev,
616 struct ethtool_drvinfo *drvinfo)
617{
618 struct e1000_adapter *adapter = netdev_priv(netdev);
619 char firmware_version[32];
bc7f75fa
AK		 620
621 strncpy(drvinfo->driver, e1000e_driver_name, 32);
622 strncpy(drvinfo->version, e1000e_driver_version, 32);
623
ad68076e
BA		 624 /*
625 * EEPROM image version # is reported as firmware version # for
626 * PCI-E controllers
627 */
bc7f75fa 628 sprintf(firmware_version, "%d.%d-%d",
84527590
BA		 629 (adapter->eeprom_vers & 0xF000) >> 12,
630 (adapter->eeprom_vers & 0x0FF0) >> 4,
631 (adapter->eeprom_vers & 0x000F));
bc7f75fa
AK		 632
633 strncpy(drvinfo->fw_version, firmware_version, 32);
634 strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
bc7f75fa
AK		 635 drvinfo->regdump_len = e1000_get_regs_len(netdev);
636 drvinfo->eedump_len = e1000_get_eeprom_len(netdev);
637}
638
639static void e1000_get_ringparam(struct net_device *netdev,
640 struct ethtool_ringparam *ring)
641{
642 struct e1000_adapter *adapter = netdev_priv(netdev);
643 struct e1000_ring *tx_ring = adapter->tx_ring;
644 struct e1000_ring *rx_ring = adapter->rx_ring;
645
646 ring->rx_max_pending = E1000_MAX_RXD;
647 ring->tx_max_pending = E1000_MAX_TXD;
648 ring->rx_mini_max_pending = 0;
649 ring->rx_jumbo_max_pending = 0;
650 ring->rx_pending = rx_ring->count;
651 ring->tx_pending = tx_ring->count;
652 ring->rx_mini_pending = 0;
653 ring->rx_jumbo_pending = 0;
654}
655
656static int e1000_set_ringparam(struct net_device *netdev,
657 struct ethtool_ringparam *ring)
658{
659 struct e1000_adapter *adapter = netdev_priv(netdev);
660 struct e1000_ring *tx_ring, *tx_old;
661 struct e1000_ring *rx_ring, *rx_old;
662 int err;
663
664 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
665 return -EINVAL;
666
667 while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
668 msleep(1);
669
670 if (netif_running(adapter->netdev))
671 e1000e_down(adapter);
672
673 tx_old = adapter->tx_ring;
674 rx_old = adapter->rx_ring;
675
676 err = -ENOMEM;
677 tx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL);
678 if (!tx_ring)
679 goto err_alloc_tx;
cef8c793
BA		 680 /*
681 * use a memcpy to save any previously configured
682 * items like napi structs from having to be
683 * reinitialized
684 */
685 memcpy(tx_ring, tx_old, sizeof(struct e1000_ring));
bc7f75fa
AK		 686
687 rx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL);
688 if (!rx_ring)
689 goto err_alloc_rx;
cef8c793 690 memcpy(rx_ring, rx_old, sizeof(struct e1000_ring));
bc7f75fa
AK		 691
692 adapter->tx_ring = tx_ring;
693 adapter->rx_ring = rx_ring;
694
695 rx_ring->count = max(ring->rx_pending, (u32)E1000_MIN_RXD);
696 rx_ring->count = min(rx_ring->count, (u32)(E1000_MAX_RXD));
697 rx_ring->count = ALIGN(rx_ring->count, REQ_RX_DESCRIPTOR_MULTIPLE);
698
699 tx_ring->count = max(ring->tx_pending, (u32)E1000_MIN_TXD);
700 tx_ring->count = min(tx_ring->count, (u32)(E1000_MAX_TXD));
701 tx_ring->count = ALIGN(tx_ring->count, REQ_TX_DESCRIPTOR_MULTIPLE);
702
703 if (netif_running(adapter->netdev)) {
704 /* Try to get new resources before deleting old */
705 err = e1000e_setup_rx_resources(adapter);
706 if (err)
707 goto err_setup_rx;
708 err = e1000e_setup_tx_resources(adapter);
709 if (err)
710 goto err_setup_tx;
711
ad68076e
BA		 712 /*
713 * restore the old in order to free it,
714 * then add in the new
715 */
bc7f75fa
AK		 716 adapter->rx_ring = rx_old;
717 adapter->tx_ring = tx_old;
718 e1000e_free_rx_resources(adapter);
719 e1000e_free_tx_resources(adapter);
720 kfree(tx_old);
721 kfree(rx_old);
722 adapter->rx_ring = rx_ring;
723 adapter->tx_ring = tx_ring;
724 err = e1000e_up(adapter);
725 if (err)
726 goto err_setup;
727 }
728
729 clear_bit(__E1000_RESETTING, &adapter->state);
730 return 0;
731err_setup_tx:
732 e1000e_free_rx_resources(adapter);
733err_setup_rx:
734 adapter->rx_ring = rx_old;
735 adapter->tx_ring = tx_old;
736 kfree(rx_ring);
737err_alloc_rx:
738 kfree(tx_ring);
739err_alloc_tx:
740 e1000e_up(adapter);
741err_setup:
742 clear_bit(__E1000_RESETTING, &adapter->state);
743 return err;
744}
745
cef8c793
BA		 746static bool reg_pattern_test(struct e1000_adapter *adapter, u64 *data,
747 int reg, int offset, u32 mask, u32 write)
2a887191 748{
cef8c793 749 u32 pat, val;
2a887191
JP		 750 static const u32 test[] =
751 {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF};
cef8c793 752 for (pat = 0; pat < ARRAY_SIZE(test); pat++) {
2a887191 753 E1000_WRITE_REG_ARRAY(&adapter->hw, reg, offset,
cef8c793
BA		 754 (test[pat] & write));
755 val = E1000_READ_REG_ARRAY(&adapter->hw, reg, offset);
756 if (val != (test[pat] & write & mask)) {
44defeb3
JK		 757 e_err("pattern test reg %04X failed: got 0x%08X "
758 "expected 0x%08X\n", reg + offset, val,
759 (test[pat] & write & mask));
2a887191 760 *data = reg;
cef8c793 761 return 1;
2a887191
JP		 762 }
763 }
cef8c793 764 return 0;
bc7f75fa
AK		 765}
766
2a887191
JP		 767static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data,
768 int reg, u32 mask, u32 write)
769{
cef8c793 770 u32 val;
2a887191 771 __ew32(&adapter->hw, reg, write & mask);
cef8c793
BA		 772 val = __er32(&adapter->hw, reg);
773 if ((write & mask) != (val & mask)) {
44defeb3
JK		 774 e_err("set/check reg %04X test failed: got 0x%08X "
775 "expected 0x%08X\n", reg, (val & mask), (write & mask));
2a887191 776 *data = reg;
cef8c793 777 return 1;
2a887191 778 }
cef8c793 779 return 0;
bc7f75fa 780}
cef8c793
BA		 781#define REG_PATTERN_TEST_ARRAY(reg, offset, mask, write) \
782 do { \
783 if (reg_pattern_test(adapter, data, reg, offset, mask, write)) \
784 return 1; \
2a887191 785 } while (0)
cef8c793
BA		 786#define REG_PATTERN_TEST(reg, mask, write) \
787 REG_PATTERN_TEST_ARRAY(reg, 0, mask, write)
2a887191 788
cef8c793
BA		 789#define REG_SET_AND_CHECK(reg, mask, write) \
790 do { \
791 if (reg_set_and_check(adapter, data, reg, mask, write)) \
792 return 1; \
2a887191
JP		 793 } while (0)
794
bc7f75fa
AK		 795static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data)
796{
797 struct e1000_hw *hw = &adapter->hw;
798 struct e1000_mac_info *mac = &adapter->hw.mac;
bc7f75fa
AK		 799 u32 value;
800 u32 before;
801 u32 after;
802 u32 i;
803 u32 toggle;
a4f58f54 804 u32 mask;
bc7f75fa 805
ad68076e
BA		 806 /*
807 * The status register is Read Only, so a write should fail.
bc7f75fa
AK		 808 * Some bits that get toggled are ignored.
809 */
810 switch (mac->type) {
811 /* there are several bits on newer hardware that are r/w */
812 case e1000_82571:
813 case e1000_82572:
814 case e1000_80003es2lan:
815 toggle = 0x7FFFF3FF;
816 break;
a4f58f54 817 default:
bc7f75fa
AK		 818 toggle = 0x7FFFF033;
819 break;
bc7f75fa
AK		 820 }
821
822 before = er32(STATUS);
823 value = (er32(STATUS) & toggle);
824 ew32(STATUS, toggle);
825 after = er32(STATUS) & toggle;
826 if (value != after) {
44defeb3
JK		 827 e_err("failed STATUS register test got: 0x%08X expected: "
828 "0x%08X\n", after, value);
bc7f75fa
AK		 829 *data = 1;
830 return 1;
831 }
832 /* restore previous status */
833 ew32(STATUS, before);
834
97ac8cae 835 if (!(adapter->flags & FLAG_IS_ICH)) {
bc7f75fa
AK		 836 REG_PATTERN_TEST(E1000_FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
837 REG_PATTERN_TEST(E1000_FCAH, 0x0000FFFF, 0xFFFFFFFF);
838 REG_PATTERN_TEST(E1000_FCT, 0x0000FFFF, 0xFFFFFFFF);
839 REG_PATTERN_TEST(E1000_VET, 0x0000FFFF, 0xFFFFFFFF);
840 }
841
842 REG_PATTERN_TEST(E1000_RDTR, 0x0000FFFF, 0xFFFFFFFF);
843 REG_PATTERN_TEST(E1000_RDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
844 REG_PATTERN_TEST(E1000_RDLEN, 0x000FFF80, 0x000FFFFF);
845 REG_PATTERN_TEST(E1000_RDH, 0x0000FFFF, 0x0000FFFF);
846 REG_PATTERN_TEST(E1000_RDT, 0x0000FFFF, 0x0000FFFF);
847 REG_PATTERN_TEST(E1000_FCRTH, 0x0000FFF8, 0x0000FFF8);
848 REG_PATTERN_TEST(E1000_FCTTV, 0x0000FFFF, 0x0000FFFF);
849 REG_PATTERN_TEST(E1000_TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
850 REG_PATTERN_TEST(E1000_TDBAH, 0xFFFFFFFF, 0xFFFFFFFF);
851 REG_PATTERN_TEST(E1000_TDLEN, 0x000FFF80, 0x000FFFFF);
852
853 REG_SET_AND_CHECK(E1000_RCTL, 0xFFFFFFFF, 0x00000000);
854
97ac8cae 855 before = ((adapter->flags & FLAG_IS_ICH) ? 0x06C3B33E : 0x06DFB3FE);
bc7f75fa
AK		 856 REG_SET_AND_CHECK(E1000_RCTL, before, 0x003FFFFB);
857 REG_SET_AND_CHECK(E1000_TCTL, 0xFFFFFFFF, 0x00000000);
858
8658251d
AK		 859 REG_SET_AND_CHECK(E1000_RCTL, before, 0xFFFFFFFF);
860 REG_PATTERN_TEST(E1000_RDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
97ac8cae 861 if (!(adapter->flags & FLAG_IS_ICH))
8658251d
AK		 862 REG_PATTERN_TEST(E1000_TXCW, 0xC000FFFF, 0x0000FFFF);
863 REG_PATTERN_TEST(E1000_TDBAL, 0xFFFFFFF0, 0xFFFFFFFF);
864 REG_PATTERN_TEST(E1000_TIDV, 0x0000FFFF, 0x0000FFFF);
a4f58f54
BA		 865 mask = 0x8003FFFF;
866 switch (mac->type) {
867 case e1000_ich10lan:
868 case e1000_pchlan:
869 mask |= (1 << 18);
870 break;
871 default:
872 break;
873 }
8658251d
AK		 874 for (i = 0; i < mac->rar_entry_count; i++)
875 REG_PATTERN_TEST_ARRAY(E1000_RA, ((i << 1) + 1),
a4f58f54 876 mask, 0xFFFFFFFF);
bc7f75fa
AK		 877
878 for (i = 0; i < mac->mta_reg_count; i++)
879 REG_PATTERN_TEST_ARRAY(E1000_MTA, i, 0xFFFFFFFF, 0xFFFFFFFF);
880
881 *data = 0;
882 return 0;
883}
884
885static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data)
886{
887 u16 temp;
888 u16 checksum = 0;
889 u16 i;
890
891 *data = 0;
892 /* Read and add up the contents of the EEPROM */
893 for (i = 0; i < (NVM_CHECKSUM_REG + 1); i++) {
894 if ((e1000_read_nvm(&adapter->hw, i, 1, &temp)) < 0) {
895 *data = 1;
e243455d 896 return *data;
bc7f75fa
AK		 897 }
898 checksum += temp;
899 }
900
901 /* If Checksum is not Correct return error else test passed */
902 if ((checksum != (u16) NVM_SUM) && !(*data))
903 *data = 2;
904
905 return *data;
906}
907
908static irqreturn_t e1000_test_intr(int irq, void *data)
909{
910 struct net_device *netdev = (struct net_device *) data;
911 struct e1000_adapter *adapter = netdev_priv(netdev);
912 struct e1000_hw *hw = &adapter->hw;
913
914 adapter->test_icr |= er32(ICR);
915
916 return IRQ_HANDLED;
917}
918
919static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data)
920{
921 struct net_device *netdev = adapter->netdev;
922 struct e1000_hw *hw = &adapter->hw;
923 u32 mask;
924 u32 shared_int = 1;
925 u32 irq = adapter->pdev->irq;
926 int i;
4662e82b
BA		 927 int ret_val = 0;
928 int int_mode = E1000E_INT_MODE_LEGACY;
bc7f75fa
AK		 929
930 *data = 0;
931
4662e82b
BA		 932 /* NOTE: we don't test MSI/MSI-X interrupts here, yet */
933 if (adapter->int_mode == E1000E_INT_MODE_MSIX) {
934 int_mode = adapter->int_mode;
935 e1000e_reset_interrupt_capability(adapter);
936 adapter->int_mode = E1000E_INT_MODE_LEGACY;
937 e1000e_set_interrupt_capability(adapter);
938 }
bc7f75fa 939 /* Hook up test interrupt handler just for this test */
a0607fd3 940 if (!request_irq(irq, e1000_test_intr, IRQF_PROBE_SHARED, netdev->name,
bc7f75fa
AK		 941 netdev)) {
942 shared_int = 0;
a0607fd3 943 } else if (request_irq(irq, e1000_test_intr, IRQF_SHARED,
bc7f75fa
AK		 944 netdev->name, netdev)) {
945 *data = 1;
4662e82b
BA		 946 ret_val = -1;
947 goto out;
bc7f75fa 948 }
44defeb3 949 e_info("testing %s interrupt\n", (shared_int ? "shared" : "unshared"));
bc7f75fa
AK		 950
951 /* Disable all the interrupts */
952 ew32(IMC, 0xFFFFFFFF);
953 msleep(10);
954
955 /* Test each interrupt */
956 for (i = 0; i < 10; i++) {
bc7f75fa
AK		 957 /* Interrupt to test */
958 mask = 1 << i;
959
f4187b56
BA		 960 if (adapter->flags & FLAG_IS_ICH) {
961 switch (mask) {
962 case E1000_ICR_RXSEQ:
963 continue;
964 case 0x00000100:
965 if (adapter->hw.mac.type == e1000_ich8lan ||
966 adapter->hw.mac.type == e1000_ich9lan)
967 continue;
968 break;
969 default:
970 break;
971 }
972 }
973
bc7f75fa 974 if (!shared_int) {
ad68076e
BA		 975 /*
976 * Disable the interrupt to be reported in
bc7f75fa
AK		 977 * the cause register and then force the same
978 * interrupt and see if one gets posted. If
979 * an interrupt was posted to the bus, the
980 * test failed.
981 */
982 adapter->test_icr = 0;
983 ew32(IMC, mask);
984 ew32(ICS, mask);
985 msleep(10);
986
987 if (adapter->test_icr & mask) {
988 *data = 3;
989 break;
990 }
991 }
992
ad68076e
BA		 993 /*
994 * Enable the interrupt to be reported in
bc7f75fa
AK		 995 * the cause register and then force the same
996 * interrupt and see if one gets posted. If
997 * an interrupt was not posted to the bus, the
998 * test failed.
999 */
1000 adapter->test_icr = 0;
1001 ew32(IMS, mask);
1002 ew32(ICS, mask);
1003 msleep(10);
1004
1005 if (!(adapter->test_icr & mask)) {
1006 *data = 4;
1007 break;
1008 }
1009
1010 if (!shared_int) {
ad68076e
BA		 1011 /*
1012 * Disable the other interrupts to be reported in
bc7f75fa
AK		 1013 * the cause register and then force the other
1014 * interrupts and see if any get posted. If
1015 * an interrupt was posted to the bus, the
1016 * test failed.
1017 */
1018 adapter->test_icr = 0;
1019 ew32(IMC, ~mask & 0x00007FFF);
1020 ew32(ICS, ~mask & 0x00007FFF);
1021 msleep(10);
1022
1023 if (adapter->test_icr) {
1024 *data = 5;
1025 break;
1026 }
1027 }
1028 }
1029
1030 /* Disable all the interrupts */
1031 ew32(IMC, 0xFFFFFFFF);
1032 msleep(10);
1033
1034 /* Unhook test interrupt handler */
1035 free_irq(irq, netdev);
1036
4662e82b
BA		 1037out:
1038 if (int_mode == E1000E_INT_MODE_MSIX) {
1039 e1000e_reset_interrupt_capability(adapter);
1040 adapter->int_mode = int_mode;
1041 e1000e_set_interrupt_capability(adapter);
1042 }
1043
1044 return ret_val;
bc7f75fa
AK		 1045}
1046
1047static void e1000_free_desc_rings(struct e1000_adapter *adapter)
1048{
1049 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1050 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1051 struct pci_dev *pdev = adapter->pdev;
1052 int i;
1053
1054 if (tx_ring->desc && tx_ring->buffer_info) {
1055 for (i = 0; i < tx_ring->count; i++) {
1056 if (tx_ring->buffer_info[i].dma)
1057 pci_unmap_single(pdev,
1058 tx_ring->buffer_info[i].dma,
1059 tx_ring->buffer_info[i].length,
1060 PCI_DMA_TODEVICE);
1061 if (tx_ring->buffer_info[i].skb)
1062 dev_kfree_skb(tx_ring->buffer_info[i].skb);
1063 }
1064 }
1065
1066 if (rx_ring->desc && rx_ring->buffer_info) {
1067 for (i = 0; i < rx_ring->count; i++) {
1068 if (rx_ring->buffer_info[i].dma)
1069 pci_unmap_single(pdev,
1070 rx_ring->buffer_info[i].dma,
1071 2048, PCI_DMA_FROMDEVICE);
1072 if (rx_ring->buffer_info[i].skb)
1073 dev_kfree_skb(rx_ring->buffer_info[i].skb);
1074 }
1075 }
1076
1077 if (tx_ring->desc) {
1078 dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc,
1079 tx_ring->dma);
1080 tx_ring->desc = NULL;
1081 }
1082 if (rx_ring->desc) {
1083 dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc,
1084 rx_ring->dma);
1085 rx_ring->desc = NULL;
1086 }
1087
1088 kfree(tx_ring->buffer_info);
1089 tx_ring->buffer_info = NULL;
1090 kfree(rx_ring->buffer_info);
1091 rx_ring->buffer_info = NULL;
1092}
1093
1094static int e1000_setup_desc_rings(struct e1000_adapter *adapter)
1095{
1096 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1097 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1098 struct pci_dev *pdev = adapter->pdev;
1099 struct e1000_hw *hw = &adapter->hw;
1100 u32 rctl;
bc7f75fa
AK		 1101 int i;
1102 int ret_val;
1103
1104 /* Setup Tx descriptor ring and Tx buffers */
1105
1106 if (!tx_ring->count)
1107 tx_ring->count = E1000_DEFAULT_TXD;
1108
cef8c793
BA		 1109 tx_ring->buffer_info = kcalloc(tx_ring->count,
1110 sizeof(struct e1000_buffer),
1111 GFP_KERNEL);
1112 if (!(tx_ring->buffer_info)) {
bc7f75fa
AK		 1113 ret_val = 1;
1114 goto err_nomem;
1115 }
bc7f75fa
AK		 1116
1117 tx_ring->size = tx_ring->count * sizeof(struct e1000_tx_desc);
1118 tx_ring->size = ALIGN(tx_ring->size, 4096);
1119 tx_ring->desc = dma_alloc_coherent(&pdev->dev, tx_ring->size,
1120 &tx_ring->dma, GFP_KERNEL);
1121 if (!tx_ring->desc) {
1122 ret_val = 2;
1123 goto err_nomem;
1124 }
bc7f75fa
AK		 1125 tx_ring->next_to_use = 0;
1126 tx_ring->next_to_clean = 0;
1127
cef8c793 1128 ew32(TDBAL, ((u64) tx_ring->dma & 0x00000000FFFFFFFF));
bc7f75fa 1129 ew32(TDBAH, ((u64) tx_ring->dma >> 32));
cef8c793 1130 ew32(TDLEN, tx_ring->count * sizeof(struct e1000_tx_desc));
bc7f75fa
AK		 1131 ew32(TDH, 0);
1132 ew32(TDT, 0);
cef8c793
BA		 1133 ew32(TCTL, E1000_TCTL_PSP | E1000_TCTL_EN | E1000_TCTL_MULR |
1134 E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT |
1135 E1000_COLLISION_DISTANCE << E1000_COLD_SHIFT);
bc7f75fa
AK		 1136
1137 for (i = 0; i < tx_ring->count; i++) {
1138 struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*tx_ring, i);
1139 struct sk_buff *skb;
1140 unsigned int skb_size = 1024;
1141
1142 skb = alloc_skb(skb_size, GFP_KERNEL);
1143 if (!skb) {
1144 ret_val = 3;
1145 goto err_nomem;
1146 }
1147 skb_put(skb, skb_size);
1148 tx_ring->buffer_info[i].skb = skb;
1149 tx_ring->buffer_info[i].length = skb->len;
1150 tx_ring->buffer_info[i].dma =
1151 pci_map_single(pdev, skb->data, skb->len,
1152 PCI_DMA_TODEVICE);
8d8bb39b 1153 if (pci_dma_mapping_error(pdev, tx_ring->buffer_info[i].dma)) {
bc7f75fa
AK		 1154 ret_val = 4;
1155 goto err_nomem;
1156 }
cef8c793 1157 tx_desc->buffer_addr = cpu_to_le64(tx_ring->buffer_info[i].dma);
bc7f75fa
AK		 1158 tx_desc->lower.data = cpu_to_le32(skb->len);
1159 tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP |
1160 E1000_TXD_CMD_IFCS |
cef8c793 1161 E1000_TXD_CMD_RS);
bc7f75fa
AK		 1162 tx_desc->upper.data = 0;
1163 }
1164
1165 /* Setup Rx descriptor ring and Rx buffers */
1166
1167 if (!rx_ring->count)
1168 rx_ring->count = E1000_DEFAULT_RXD;
1169
cef8c793
BA		 1170 rx_ring->buffer_info = kcalloc(rx_ring->count,
1171 sizeof(struct e1000_buffer),
1172 GFP_KERNEL);
1173 if (!(rx_ring->buffer_info)) {
bc7f75fa
AK		 1174 ret_val = 5;
1175 goto err_nomem;
1176 }
bc7f75fa
AK		 1177
1178 rx_ring->size = rx_ring->count * sizeof(struct e1000_rx_desc);
1179 rx_ring->desc = dma_alloc_coherent(&pdev->dev, rx_ring->size,
1180 &rx_ring->dma, GFP_KERNEL);
1181 if (!rx_ring->desc) {
1182 ret_val = 6;
1183 goto err_nomem;
1184 }
bc7f75fa
AK		 1185 rx_ring->next_to_use = 0;
1186 rx_ring->next_to_clean = 0;
1187
1188 rctl = er32(RCTL);
1189 ew32(RCTL, rctl & ~E1000_RCTL_EN);
1190 ew32(RDBAL, ((u64) rx_ring->dma & 0xFFFFFFFF));
1191 ew32(RDBAH, ((u64) rx_ring->dma >> 32));
1192 ew32(RDLEN, rx_ring->size);
1193 ew32(RDH, 0);
1194 ew32(RDT, 0);
1195 rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
cef8c793
BA		 1196 E1000_RCTL_UPE | E1000_RCTL_MPE | E1000_RCTL_LPE |
1197 E1000_RCTL_SBP | E1000_RCTL_SECRC |
bc7f75fa
AK		 1198 E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
1199 (adapter->hw.mac.mc_filter_type << E1000_RCTL_MO_SHIFT);
1200 ew32(RCTL, rctl);
1201
1202 for (i = 0; i < rx_ring->count; i++) {
1203 struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rx_ring, i);
1204 struct sk_buff *skb;
1205
1206 skb = alloc_skb(2048 + NET_IP_ALIGN, GFP_KERNEL);
1207 if (!skb) {
1208 ret_val = 7;
1209 goto err_nomem;
1210 }
1211 skb_reserve(skb, NET_IP_ALIGN);
1212 rx_ring->buffer_info[i].skb = skb;
1213 rx_ring->buffer_info[i].dma =
1214 pci_map_single(pdev, skb->data, 2048,
1215 PCI_DMA_FROMDEVICE);
8d8bb39b 1216 if (pci_dma_mapping_error(pdev, rx_ring->buffer_info[i].dma)) {
bc7f75fa
AK		 1217 ret_val = 8;
1218 goto err_nomem;
1219 }
1220 rx_desc->buffer_addr =
1221 cpu_to_le64(rx_ring->buffer_info[i].dma);
1222 memset(skb->data, 0x00, skb->len);
1223 }
1224
1225 return 0;
1226
1227err_nomem:
1228 e1000_free_desc_rings(adapter);
1229 return ret_val;
1230}
1231
1232static void e1000_phy_disable_receiver(struct e1000_adapter *adapter)
1233{
1234 /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1235 e1e_wphy(&adapter->hw, 29, 0x001F);
1236 e1e_wphy(&adapter->hw, 30, 0x8FFC);
1237 e1e_wphy(&adapter->hw, 29, 0x001A);
1238 e1e_wphy(&adapter->hw, 30, 0x8FF0);
1239}
1240
1241static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
1242{
1243 struct e1000_hw *hw = &adapter->hw;
1244 u32 ctrl_reg = 0;
1245 u32 stat_reg = 0;
97ac8cae 1246 u16 phy_reg = 0;
bc7f75fa 1247
318a94d6 1248 hw->mac.autoneg = 0;
bc7f75fa 1249
318a94d6 1250 if (hw->phy.type == e1000_phy_m88) {
bc7f75fa
AK		 1251 /* Auto-MDI/MDIX Off */
1252 e1e_wphy(hw, M88E1000_PHY_SPEC_CTRL, 0x0808);
1253 /* reset to update Auto-MDI/MDIX */
1254 e1e_wphy(hw, PHY_CONTROL, 0x9140);
1255 /* autoneg off */
1256 e1e_wphy(hw, PHY_CONTROL, 0x8140);
318a94d6 1257 } else if (hw->phy.type == e1000_phy_gg82563)
bc7f75fa
AK		 1258 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x1CC);
1259
1260 ctrl_reg = er32(CTRL);
1261
cef8c793
BA		 1262 switch (hw->phy.type) {
1263 case e1000_phy_ife:
bc7f75fa
AK		 1264 /* force 100, set loopback */
1265 e1e_wphy(hw, PHY_CONTROL, 0x6100);
1266
1267 /* Now set up the MAC to the same speed/duplex as the PHY. */
1268 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1269 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1270 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1271 E1000_CTRL_SPD_100 |/* Force Speed to 100 */
1272 E1000_CTRL_FD); /* Force Duplex to FULL */
cef8c793 1273 break;
97ac8cae
BA		 1274 case e1000_phy_bm:
1275 /* Set Default MAC Interface speed to 1GB */
1276 e1e_rphy(hw, PHY_REG(2, 21), &phy_reg);
1277 phy_reg &= ~0x0007;
1278 phy_reg |= 0x006;
1279 e1e_wphy(hw, PHY_REG(2, 21), phy_reg);
1280 /* Assert SW reset for above settings to take effect */
1281 e1000e_commit_phy(hw);
1282 mdelay(1);
1283 /* Force Full Duplex */
1284 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg);
1285 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x000C);
1286 /* Set Link Up (in force link) */
1287 e1e_rphy(hw, PHY_REG(776, 16), &phy_reg);
1288 e1e_wphy(hw, PHY_REG(776, 16), phy_reg | 0x0040);
1289 /* Force Link */
1290 e1e_rphy(hw, PHY_REG(769, 16), &phy_reg);
1291 e1e_wphy(hw, PHY_REG(769, 16), phy_reg | 0x0040);
1292 /* Set Early Link Enable */
1293 e1e_rphy(hw, PHY_REG(769, 20), &phy_reg);
1294 e1e_wphy(hw, PHY_REG(769, 20), phy_reg | 0x0400);
1295 /* fall through */
cef8c793 1296 default:
bc7f75fa
AK		 1297 /* force 1000, set loopback */
1298 e1e_wphy(hw, PHY_CONTROL, 0x4140);
cef8c793 1299 mdelay(250);
bc7f75fa
AK		 1300
1301 /* Now set up the MAC to the same speed/duplex as the PHY. */
1302 ctrl_reg = er32(CTRL);
1303 ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
1304 ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
1305 E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
1306 E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
1307 E1000_CTRL_FD); /* Force Duplex to FULL */
cef8c793 1308
97ac8cae 1309 if (adapter->flags & FLAG_IS_ICH)
cef8c793 1310 ctrl_reg |= E1000_CTRL_SLU; /* Set Link Up */
bc7f75fa
AK		 1311 }
1312
318a94d6
JK		 1313 if (hw->phy.media_type == e1000_media_type_copper &&
1314 hw->phy.type == e1000_phy_m88) {
bc7f75fa
AK		 1315 ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
1316 } else {
ad68076e
BA		 1317 /*
1318 * Set the ILOS bit on the fiber Nic if half duplex link is
1319 * detected.
1320 */
bc7f75fa
AK		 1321 stat_reg = er32(STATUS);
1322 if ((stat_reg & E1000_STATUS_FD) == 0)
1323 ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
1324 }
1325
1326 ew32(CTRL, ctrl_reg);
1327
ad68076e
BA		 1328 /*
1329 * Disable the receiver on the PHY so when a cable is plugged in, the
bc7f75fa
AK		 1330 * PHY does not begin to autoneg when a cable is reconnected to the NIC.
1331 */
318a94d6 1332 if (hw->phy.type == e1000_phy_m88)
bc7f75fa
AK		 1333 e1000_phy_disable_receiver(adapter);
1334
1335 udelay(500);
1336
1337 return 0;
1338}
1339
1340static int e1000_set_82571_fiber_loopback(struct e1000_adapter *adapter)
1341{
1342 struct e1000_hw *hw = &adapter->hw;
1343 u32 ctrl = er32(CTRL);
1344 int link = 0;
1345
1346 /* special requirements for 82571/82572 fiber adapters */
1347
ad68076e
BA		 1348 /*
1349 * jump through hoops to make sure link is up because serdes
1350 * link is hardwired up
1351 */
bc7f75fa
AK		 1352 ctrl |= E1000_CTRL_SLU;
1353 ew32(CTRL, ctrl);
1354
1355 /* disable autoneg */
1356 ctrl = er32(TXCW);
1357 ctrl &= ~(1 << 31);
1358 ew32(TXCW, ctrl);
1359
1360 link = (er32(STATUS) & E1000_STATUS_LU);
1361
1362 if (!link) {
1363 /* set invert loss of signal */
1364 ctrl = er32(CTRL);
1365 ctrl |= E1000_CTRL_ILOS;
1366 ew32(CTRL, ctrl);
1367 }
1368
ad68076e
BA		 1369 /*
1370 * special write to serdes control register to enable SerDes analog
1371 * loopback
1372 */
bc7f75fa
AK		 1373#define E1000_SERDES_LB_ON 0x410
1374 ew32(SCTL, E1000_SERDES_LB_ON);
1375 msleep(10);
1376
1377 return 0;
1378}
1379
1380/* only call this for fiber/serdes connections to es2lan */
1381static int e1000_set_es2lan_mac_loopback(struct e1000_adapter *adapter)
1382{
1383 struct e1000_hw *hw = &adapter->hw;
1384 u32 ctrlext = er32(CTRL_EXT);
1385 u32 ctrl = er32(CTRL);
1386
ad68076e
BA		 1387 /*
1388 * save CTRL_EXT to restore later, reuse an empty variable (unused
1389 * on mac_type 80003es2lan)
1390 */
bc7f75fa
AK		 1391 adapter->tx_fifo_head = ctrlext;
1392
1393 /* clear the serdes mode bits, putting the device into mac loopback */
1394 ctrlext &= ~E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES;
1395 ew32(CTRL_EXT, ctrlext);
1396
1397 /* force speed to 1000/FD, link up */
1398 ctrl &= ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100);
1399 ctrl |= (E1000_CTRL_SLU | E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX |
1400 E1000_CTRL_SPD_1000 | E1000_CTRL_FD);
1401 ew32(CTRL, ctrl);
1402
1403 /* set mac loopback */
1404 ctrl = er32(RCTL);
1405 ctrl |= E1000_RCTL_LBM_MAC;
1406 ew32(RCTL, ctrl);
1407
1408 /* set testing mode parameters (no need to reset later) */
1409#define KMRNCTRLSTA_OPMODE (0x1F << 16)
1410#define KMRNCTRLSTA_OPMODE_1GB_FD_GMII 0x0582
1411 ew32(KMRNCTRLSTA,
cef8c793 1412 (KMRNCTRLSTA_OPMODE | KMRNCTRLSTA_OPMODE_1GB_FD_GMII));
bc7f75fa
AK		 1413
1414 return 0;
1415}
1416
1417static int e1000_setup_loopback_test(struct e1000_adapter *adapter)
1418{
1419 struct e1000_hw *hw = &adapter->hw;
1420 u32 rctl;
1421
318a94d6
JK		 1422 if (hw->phy.media_type == e1000_media_type_fiber ||
1423 hw->phy.media_type == e1000_media_type_internal_serdes) {
bc7f75fa
AK		 1424 switch (hw->mac.type) {
1425 case e1000_80003es2lan:
1426 return e1000_set_es2lan_mac_loopback(adapter);
1427 break;
1428 case e1000_82571:
1429 case e1000_82572:
1430 return e1000_set_82571_fiber_loopback(adapter);
1431 break;
1432 default:
1433 rctl = er32(RCTL);
1434 rctl |= E1000_RCTL_LBM_TCVR;
1435 ew32(RCTL, rctl);
1436 return 0;
1437 }
318a94d6 1438 } else if (hw->phy.media_type == e1000_media_type_copper) {
bc7f75fa
AK		 1439 return e1000_integrated_phy_loopback(adapter);
1440 }
1441
1442 return 7;
1443}
1444
1445static void e1000_loopback_cleanup(struct e1000_adapter *adapter)
1446{
1447 struct e1000_hw *hw = &adapter->hw;
1448 u32 rctl;
1449 u16 phy_reg;
1450
1451 rctl = er32(RCTL);
1452 rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
1453 ew32(RCTL, rctl);
1454
1455 switch (hw->mac.type) {
1456 case e1000_80003es2lan:
318a94d6
JK		 1457 if (hw->phy.media_type == e1000_media_type_fiber ||
1458 hw->phy.media_type == e1000_media_type_internal_serdes) {
bc7f75fa 1459 /* restore CTRL_EXT, stealing space from tx_fifo_head */
ad68076e 1460 ew32(CTRL_EXT, adapter->tx_fifo_head);
bc7f75fa
AK		 1461 adapter->tx_fifo_head = 0;
1462 }
1463 /* fall through */
1464 case e1000_82571:
1465 case e1000_82572:
318a94d6
JK		 1466 if (hw->phy.media_type == e1000_media_type_fiber ||
1467 hw->phy.media_type == e1000_media_type_internal_serdes) {
bc7f75fa
AK		 1468#define E1000_SERDES_LB_OFF 0x400
1469 ew32(SCTL, E1000_SERDES_LB_OFF);
1470 msleep(10);
1471 break;
1472 }
1473 /* Fall Through */
1474 default:
1475 hw->mac.autoneg = 1;
1476 if (hw->phy.type == e1000_phy_gg82563)
1477 e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x180);
1478 e1e_rphy(hw, PHY_CONTROL, &phy_reg);
1479 if (phy_reg & MII_CR_LOOPBACK) {
1480 phy_reg &= ~MII_CR_LOOPBACK;
1481 e1e_wphy(hw, PHY_CONTROL, phy_reg);
1482 e1000e_commit_phy(hw);
1483 }
1484 break;
1485 }
1486}
1487
1488static void e1000_create_lbtest_frame(struct sk_buff *skb,
1489 unsigned int frame_size)
1490{
1491 memset(skb->data, 0xFF, frame_size);
1492 frame_size &= ~1;
1493 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1494 memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
1495 memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
1496}
1497
1498static int e1000_check_lbtest_frame(struct sk_buff *skb,
1499 unsigned int frame_size)
1500{
1501 frame_size &= ~1;
1502 if (*(skb->data + 3) == 0xFF)
1503 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
1504 (*(skb->data + frame_size / 2 + 12) == 0xAF))
1505 return 0;
1506 return 13;
1507}
1508
1509static int e1000_run_loopback_test(struct e1000_adapter *adapter)
1510{
1511 struct e1000_ring *tx_ring = &adapter->test_tx_ring;
1512 struct e1000_ring *rx_ring = &adapter->test_rx_ring;
1513 struct pci_dev *pdev = adapter->pdev;
1514 struct e1000_hw *hw = &adapter->hw;
1515 int i, j, k, l;
1516 int lc;
1517 int good_cnt;
1518 int ret_val = 0;
1519 unsigned long time;
1520
1521 ew32(RDT, rx_ring->count - 1);
1522
ad68076e
BA		 1523 /*
1524 * Calculate the loop count based on the largest descriptor ring
bc7f75fa
AK		 1525 * The idea is to wrap the largest ring a number of times using 64
1526 * send/receive pairs during each loop
1527 */
1528
1529 if (rx_ring->count <= tx_ring->count)
1530 lc = ((tx_ring->count / 64) * 2) + 1;
1531 else
1532 lc = ((rx_ring->count / 64) * 2) + 1;
1533
1534 k = 0;
1535 l = 0;
1536 for (j = 0; j <= lc; j++) { /* loop count loop */
1537 for (i = 0; i < 64; i++) { /* send the packets */
cef8c793
BA		 1538 e1000_create_lbtest_frame(tx_ring->buffer_info[k].skb,
1539 1024);
bc7f75fa
AK		 1540 pci_dma_sync_single_for_device(pdev,
1541 tx_ring->buffer_info[k].dma,
1542 tx_ring->buffer_info[k].length,
1543 PCI_DMA_TODEVICE);
1544 k++;
1545 if (k == tx_ring->count)
1546 k = 0;
1547 }
1548 ew32(TDT, k);
1549 msleep(200);
1550 time = jiffies; /* set the start time for the receive */
1551 good_cnt = 0;
1552 do { /* receive the sent packets */
1553 pci_dma_sync_single_for_cpu(pdev,
1554 rx_ring->buffer_info[l].dma, 2048,
1555 PCI_DMA_FROMDEVICE);
1556
1557 ret_val = e1000_check_lbtest_frame(
1558 rx_ring->buffer_info[l].skb, 1024);
1559 if (!ret_val)
1560 good_cnt++;
1561 l++;
1562 if (l == rx_ring->count)
1563 l = 0;
ad68076e
BA		 1564 /*
1565 * time + 20 msecs (200 msecs on 2.4) is more than
bc7f75fa
AK		 1566 * enough time to complete the receives, if it's
1567 * exceeded, break and error off
1568 */
1569 } while ((good_cnt < 64) && !time_after(jiffies, time + 20));
1570 if (good_cnt != 64) {
1571 ret_val = 13; /* ret_val is the same as mis-compare */
1572 break;
1573 }
cef8c793 1574 if (jiffies >= (time + 20)) {
bc7f75fa
AK		 1575 ret_val = 14; /* error code for time out error */
1576 break;
1577 }
1578 } /* end loop count loop */
1579 return ret_val;
1580}
1581
1582static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data)
1583{
ad68076e
BA		 1584 /*
1585 * PHY loopback cannot be performed if SoL/IDER
1586 * sessions are active
1587 */
bc7f75fa 1588 if (e1000_check_reset_block(&adapter->hw)) {
44defeb3 1589 e_err("Cannot do PHY loopback test when SoL/IDER is active.\n");
bc7f75fa
AK		 1590 *data = 0;
1591 goto out;
1592 }
1593
1594 *data = e1000_setup_desc_rings(adapter);
e265522c 1595 if (*data)
bc7f75fa
AK		 1596 goto out;
1597
1598 *data = e1000_setup_loopback_test(adapter);
e265522c 1599 if (*data)
bc7f75fa
AK		 1600 goto err_loopback;
1601
1602 *data = e1000_run_loopback_test(adapter);
1603 e1000_loopback_cleanup(adapter);
1604
1605err_loopback:
1606 e1000_free_desc_rings(adapter);
1607out:
1608 return *data;
1609}
1610
1611static int e1000_link_test(struct e1000_adapter *adapter, u64 *data)
1612{
1613 struct e1000_hw *hw = &adapter->hw;
1614
1615 *data = 0;
318a94d6 1616 if (hw->phy.media_type == e1000_media_type_internal_serdes) {
bc7f75fa 1617 int i = 0;
612e244c 1618 hw->mac.serdes_has_link = false;
bc7f75fa 1619
ad68076e
BA		 1620 /*
1621 * On some blade server designs, link establishment
1622 * could take as long as 2-3 minutes
1623 */
bc7f75fa
AK		 1624 do {
1625 hw->mac.ops.check_for_link(hw);
1626 if (hw->mac.serdes_has_link)
1627 return *data;
1628 msleep(20);
1629 } while (i++ < 3750);
1630
1631 *data = 1;
1632 } else {
1633 hw->mac.ops.check_for_link(hw);
1634 if (hw->mac.autoneg)
1635 msleep(4000);
1636
1637 if (!(er32(STATUS) &
1638 E1000_STATUS_LU))
1639 *data = 1;
1640 }
1641 return *data;
1642}
1643
b9f2c044 1644static int e1000e_get_sset_count(struct net_device *netdev, int sset)
bc7f75fa 1645{
b9f2c044
JG		 1646 switch (sset) {
1647 case ETH_SS_TEST:
1648 return E1000_TEST_LEN;
1649 case ETH_SS_STATS:
1650 return E1000_STATS_LEN;
1651 default:
1652 return -EOPNOTSUPP;
1653 }
bc7f75fa
AK		 1654}
1655
1656static void e1000_diag_test(struct net_device *netdev,
1657 struct ethtool_test *eth_test, u64 *data)
1658{
1659 struct e1000_adapter *adapter = netdev_priv(netdev);
1660 u16 autoneg_advertised;
1661 u8 forced_speed_duplex;
1662 u8 autoneg;
1663 bool if_running = netif_running(netdev);
1664
1665 set_bit(__E1000_TESTING, &adapter->state);
1666 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1667 /* Offline tests */
1668
1669 /* save speed, duplex, autoneg settings */
1670 autoneg_advertised = adapter->hw.phy.autoneg_advertised;
1671 forced_speed_duplex = adapter->hw.mac.forced_speed_duplex;
1672 autoneg = adapter->hw.mac.autoneg;
1673
44defeb3 1674 e_info("offline testing starting\n");
bc7f75fa 1675
ad68076e
BA		 1676 /*
1677 * Link test performed before hardware reset so autoneg doesn't
1678 * interfere with test result
1679 */
bc7f75fa
AK		 1680 if (e1000_link_test(adapter, &data[4]))
1681 eth_test->flags |= ETH_TEST_FL_FAILED;
1682
1683 if (if_running)
1684 /* indicate we're in test mode */
1685 dev_close(netdev);
1686 else
1687 e1000e_reset(adapter);
1688
1689 if (e1000_reg_test(adapter, &data[0]))
1690 eth_test->flags |= ETH_TEST_FL_FAILED;
1691
1692 e1000e_reset(adapter);
1693 if (e1000_eeprom_test(adapter, &data[1]))
1694 eth_test->flags |= ETH_TEST_FL_FAILED;
1695
1696 e1000e_reset(adapter);
1697 if (e1000_intr_test(adapter, &data[2]))
1698 eth_test->flags |= ETH_TEST_FL_FAILED;
1699
1700 e1000e_reset(adapter);
1701 /* make sure the phy is powered up */
1702 e1000e_power_up_phy(adapter);
1703 if (e1000_loopback_test(adapter, &data[3]))
1704 eth_test->flags |= ETH_TEST_FL_FAILED;
1705
1706 /* restore speed, duplex, autoneg settings */
1707 adapter->hw.phy.autoneg_advertised = autoneg_advertised;
1708 adapter->hw.mac.forced_speed_duplex = forced_speed_duplex;
1709 adapter->hw.mac.autoneg = autoneg;
1710
1711 /* force this routine to wait until autoneg complete/timeout */
318a94d6 1712 adapter->hw.phy.autoneg_wait_to_complete = 1;
bc7f75fa 1713 e1000e_reset(adapter);
318a94d6 1714 adapter->hw.phy.autoneg_wait_to_complete = 0;
bc7f75fa
AK		 1715
1716 clear_bit(__E1000_TESTING, &adapter->state);
1717 if (if_running)
1718 dev_open(netdev);
1719 } else {
44defeb3 1720 e_info("online testing starting\n");
bc7f75fa
AK		 1721 /* Online tests */
1722 if (e1000_link_test(adapter, &data[4]))
1723 eth_test->flags |= ETH_TEST_FL_FAILED;
1724
1725 /* Online tests aren't run; pass by default */
1726 data[0] = 0;
1727 data[1] = 0;
1728 data[2] = 0;
1729 data[3] = 0;
1730
1731 clear_bit(__E1000_TESTING, &adapter->state);
1732 }
1733 msleep_interruptible(4 * 1000);
1734}
1735
1736static void e1000_get_wol(struct net_device *netdev,
1737 struct ethtool_wolinfo *wol)
1738{
1739 struct e1000_adapter *adapter = netdev_priv(netdev);
1740
1741 wol->supported = 0;
1742 wol->wolopts = 0;
1743
6ff68026
RW		 1744 if (!(adapter->flags & FLAG_HAS_WOL) ||
1745 !device_can_wakeup(&adapter->pdev->dev))
bc7f75fa
AK		 1746 return;
1747
1748 wol->supported = WAKE_UCAST | WAKE_MCAST |
efb90e43
MW		 1749 WAKE_BCAST | WAKE_MAGIC |
1750 WAKE_PHY | WAKE_ARP;
bc7f75fa
AK		 1751
1752 /* apply any specific unsupported masks here */
1753 if (adapter->flags & FLAG_NO_WAKE_UCAST) {
1754 wol->supported &= ~WAKE_UCAST;
1755
1756 if (adapter->wol & E1000_WUFC_EX)
44defeb3
JK		 1757 e_err("Interface does not support directed (unicast) "
1758 "frame wake-up packets\n");
bc7f75fa
AK		 1759 }
1760
1761 if (adapter->wol & E1000_WUFC_EX)
1762 wol->wolopts |= WAKE_UCAST;
1763 if (adapter->wol & E1000_WUFC_MC)
1764 wol->wolopts |= WAKE_MCAST;
1765 if (adapter->wol & E1000_WUFC_BC)
1766 wol->wolopts |= WAKE_BCAST;
1767 if (adapter->wol & E1000_WUFC_MAG)
1768 wol->wolopts |= WAKE_MAGIC;
efb90e43
MW		 1769 if (adapter->wol & E1000_WUFC_LNKC)
1770 wol->wolopts |= WAKE_PHY;
1771 if (adapter->wol & E1000_WUFC_ARP)
1772 wol->wolopts |= WAKE_ARP;
bc7f75fa
AK		 1773}
1774
1775static int e1000_set_wol(struct net_device *netdev,
1776 struct ethtool_wolinfo *wol)
1777{
1778 struct e1000_adapter *adapter = netdev_priv(netdev);
1779
6ff68026 1780 if (!(adapter->flags & FLAG_HAS_WOL) ||
1fbfca32
BA		 1781 !device_can_wakeup(&adapter->pdev->dev) ||
1782 (wol->wolopts & ~(WAKE_UCAST | WAKE_MCAST | WAKE_BCAST |
1783 WAKE_MAGIC | WAKE_PHY | WAKE_ARP)))
1784 return -EOPNOTSUPP;
bc7f75fa
AK		 1785
1786 /* these settings will always override what we currently have */
1787 adapter->wol = 0;
1788
1789 if (wol->wolopts & WAKE_UCAST)
1790 adapter->wol |= E1000_WUFC_EX;
1791 if (wol->wolopts & WAKE_MCAST)
1792 adapter->wol |= E1000_WUFC_MC;
1793 if (wol->wolopts & WAKE_BCAST)
1794 adapter->wol |= E1000_WUFC_BC;
1795 if (wol->wolopts & WAKE_MAGIC)
1796 adapter->wol |= E1000_WUFC_MAG;
efb90e43
MW		 1797 if (wol->wolopts & WAKE_PHY)
1798 adapter->wol |= E1000_WUFC_LNKC;
1799 if (wol->wolopts & WAKE_ARP)
1800 adapter->wol |= E1000_WUFC_ARP;
bc7f75fa 1801
6ff68026
RW		 1802 device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
1803
bc7f75fa
AK		 1804 return 0;
1805}
1806
1807/* toggle LED 4 times per second = 2 "blinks" per second */
1808#define E1000_ID_INTERVAL (HZ/4)
1809
1810/* bit defines for adapter->led_status */
1811#define E1000_LED_ON 0
1812
a4f58f54 1813static void e1000e_led_blink_task(struct work_struct *work)
bc7f75fa 1814{
a4f58f54
BA		 1815 struct e1000_adapter *adapter = container_of(work,
1816 struct e1000_adapter, led_blink_task);
bc7f75fa
AK		 1817
1818 if (test_and_change_bit(E1000_LED_ON, &adapter->led_status))
1819 adapter->hw.mac.ops.led_off(&adapter->hw);
1820 else
1821 adapter->hw.mac.ops.led_on(&adapter->hw);
a4f58f54
BA		 1822}
1823
1824static void e1000_led_blink_callback(unsigned long data)
1825{
1826 struct e1000_adapter *adapter = (struct e1000_adapter *) data;
bc7f75fa 1827
a4f58f54 1828 schedule_work(&adapter->led_blink_task);
bc7f75fa
AK		 1829 mod_timer(&adapter->blink_timer, jiffies + E1000_ID_INTERVAL);
1830}
1831
1832static int e1000_phys_id(struct net_device *netdev, u32 data)
1833{
1834 struct e1000_adapter *adapter = netdev_priv(netdev);
4662e82b 1835 struct e1000_hw *hw = &adapter->hw;
bc7f75fa 1836
5a9147bb
SH		 1837 if (!data)
1838 data = INT_MAX;
bc7f75fa 1839
4662e82b 1840 if ((hw->phy.type == e1000_phy_ife) ||
a4f58f54 1841 (hw->mac.type == e1000_pchlan) ||
4662e82b 1842 (hw->mac.type == e1000_82574)) {
a4f58f54 1843 INIT_WORK(&adapter->led_blink_task, e1000e_led_blink_task);
bc7f75fa
AK		 1844 if (!adapter->blink_timer.function) {
1845 init_timer(&adapter->blink_timer);
1846 adapter->blink_timer.function =
1847 e1000_led_blink_callback;
1848 adapter->blink_timer.data = (unsigned long) adapter;
1849 }
1850 mod_timer(&adapter->blink_timer, jiffies);
1851 msleep_interruptible(data * 1000);
1852 del_timer_sync(&adapter->blink_timer);
4662e82b
BA		 1853 if (hw->phy.type == e1000_phy_ife)
1854 e1e_wphy(hw, IFE_PHY_SPECIAL_CONTROL_LED, 0);
bc7f75fa 1855 } else {
4662e82b 1856 e1000e_blink_led(hw);
bc7f75fa
AK		 1857 msleep_interruptible(data * 1000);
1858 }
1859
4662e82b 1860 hw->mac.ops.led_off(hw);
bc7f75fa 1861 clear_bit(E1000_LED_ON, &adapter->led_status);
4662e82b 1862 hw->mac.ops.cleanup_led(hw);
bc7f75fa
AK		 1863
1864 return 0;
1865}
1866
de5b3077
AK		 1867static int e1000_get_coalesce(struct net_device *netdev,
1868 struct ethtool_coalesce *ec)
1869{
1870 struct e1000_adapter *adapter = netdev_priv(netdev);
1871
1872 if (adapter->itr_setting <= 3)
1873 ec->rx_coalesce_usecs = adapter->itr_setting;
1874 else
1875 ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting;
1876
1877 return 0;
1878}
1879
1880static int e1000_set_coalesce(struct net_device *netdev,
1881 struct ethtool_coalesce *ec)
1882{
1883 struct e1000_adapter *adapter = netdev_priv(netdev);
1884 struct e1000_hw *hw = &adapter->hw;
1885
1886 if ((ec->rx_coalesce_usecs > E1000_MAX_ITR_USECS) ||
1887 ((ec->rx_coalesce_usecs > 3) &&
1888 (ec->rx_coalesce_usecs < E1000_MIN_ITR_USECS)) ||
1889 (ec->rx_coalesce_usecs == 2))
1890 return -EINVAL;
1891
1892 if (ec->rx_coalesce_usecs <= 3) {
1893 adapter->itr = 20000;
1894 adapter->itr_setting = ec->rx_coalesce_usecs;
1895 } else {
1896 adapter->itr = (1000000 / ec->rx_coalesce_usecs);
1897 adapter->itr_setting = adapter->itr & ~3;
1898 }
1899
1900 if (adapter->itr_setting != 0)
1901 ew32(ITR, 1000000000 / (adapter->itr * 256));
1902 else
1903 ew32(ITR, 0);
1904
1905 return 0;
1906}
1907
bc7f75fa
AK		 1908static int e1000_nway_reset(struct net_device *netdev)
1909{
1910 struct e1000_adapter *adapter = netdev_priv(netdev);
1911 if (netif_running(netdev))
1912 e1000e_reinit_locked(adapter);
1913 return 0;
1914}
1915
bc7f75fa
AK		 1916static void e1000_get_ethtool_stats(struct net_device *netdev,
1917 struct ethtool_stats *stats,
1918 u64 *data)
1919{
1920 struct e1000_adapter *adapter = netdev_priv(netdev);
1921 int i;
e0f36a95 1922 char *p = NULL;
bc7f75fa
AK		 1923
1924 e1000e_update_stats(adapter);
1925 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
e0f36a95
AK		 1926 switch (e1000_gstrings_stats[i].type) {
1927 case NETDEV_STATS:
1928 p = (char *) netdev +
1929 e1000_gstrings_stats[i].stat_offset;
1930 break;
1931 case E1000_STATS:
1932 p = (char *) adapter +
1933 e1000_gstrings_stats[i].stat_offset;
1934 break;
1935 }
1936
bc7f75fa
AK		 1937 data[i] = (e1000_gstrings_stats[i].sizeof_stat ==
1938 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1939 }
1940}
1941
1942static void e1000_get_strings(struct net_device *netdev, u32 stringset,
1943 u8 *data)
1944{
1945 u8 *p = data;
1946 int i;
1947
1948 switch (stringset) {
1949 case ETH_SS_TEST:
ad68076e 1950 memcpy(data, *e1000_gstrings_test, sizeof(e1000_gstrings_test));
bc7f75fa
AK		 1951 break;
1952 case ETH_SS_STATS:
1953 for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) {
1954 memcpy(p, e1000_gstrings_stats[i].stat_string,
1955 ETH_GSTRING_LEN);
1956 p += ETH_GSTRING_LEN;
1957 }
1958 break;
1959 }
1960}
1961
1962static const struct ethtool_ops e1000_ethtool_ops = {
1963 .get_settings = e1000_get_settings,
1964 .set_settings = e1000_set_settings,
1965 .get_drvinfo = e1000_get_drvinfo,
1966 .get_regs_len = e1000_get_regs_len,
1967 .get_regs = e1000_get_regs,
1968 .get_wol = e1000_get_wol,
1969 .set_wol = e1000_set_wol,
1970 .get_msglevel = e1000_get_msglevel,
1971 .set_msglevel = e1000_set_msglevel,
1972 .nway_reset = e1000_nway_reset,
369d742d 1973 .get_link = e1000_get_link,
bc7f75fa
AK		 1974 .get_eeprom_len = e1000_get_eeprom_len,
1975 .get_eeprom = e1000_get_eeprom,
1976 .set_eeprom = e1000_set_eeprom,
1977 .get_ringparam = e1000_get_ringparam,
1978 .set_ringparam = e1000_set_ringparam,
1979 .get_pauseparam = e1000_get_pauseparam,
1980 .set_pauseparam = e1000_set_pauseparam,
1981 .get_rx_csum = e1000_get_rx_csum,
1982 .set_rx_csum = e1000_set_rx_csum,
1983 .get_tx_csum = e1000_get_tx_csum,
1984 .set_tx_csum = e1000_set_tx_csum,
1985 .get_sg = ethtool_op_get_sg,
1986 .set_sg = ethtool_op_set_sg,
1987 .get_tso = ethtool_op_get_tso,
1988 .set_tso = e1000_set_tso,
bc7f75fa
AK		 1989 .self_test = e1000_diag_test,
1990 .get_strings = e1000_get_strings,
1991 .phys_id = e1000_phys_id,
bc7f75fa 1992 .get_ethtool_stats = e1000_get_ethtool_stats,
b9f2c044 1993 .get_sset_count = e1000e_get_sset_count,
de5b3077
AK		 1994 .get_coalesce = e1000_get_coalesce,
1995 .set_coalesce = e1000_set_coalesce,
bc7f75fa
AK		 1996};
1997
1998void e1000e_set_ethtool_ops(struct net_device *netdev)
1999{
2000 SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops);
2001}
Linux 6.x block layer and io_uring tree(s)