projects / deliverable / linux.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
ethtool: Add support for control of RX flow hash indirection
[deliverable/linux.git] / drivers / net / sfc / ethtool.c
CommitLineData
8ceee660
BH		 1/****************************************************************************
2 * Driver for Solarflare Solarstorm network controllers and boards
3 * Copyright 2005-2006 Fen Systems Ltd.
906bb26c 4 * Copyright 2006-2009 Solarflare Communications Inc.
8ceee660
BH		 5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 as published
8 * by the Free Software Foundation, incorporated herein by reference.
9 */
10
11#include <linux/netdevice.h>
12#include <linux/ethtool.h>
13#include <linux/rtnetlink.h>
14#include "net_driver.h"
04cc8cac 15#include "workarounds.h"
3273c2e8 16#include "selftest.h"
8ceee660 17#include "efx.h"
744093c9 18#include "nic.h"
4a5b504d 19#include "spi.h"
04cc8cac 20#include "mdio_10g.h"
8ceee660 21
8ceee660
BH		 22struct ethtool_string {
23 char name[ETH_GSTRING_LEN];
24};
25
26struct efx_ethtool_stat {
27 const char *name;
28 enum {
29 EFX_ETHTOOL_STAT_SOURCE_mac_stats,
30 EFX_ETHTOOL_STAT_SOURCE_nic,
31 EFX_ETHTOOL_STAT_SOURCE_channel
32 } source;
33 unsigned offset;
34 u64(*get_stat) (void *field); /* Reader function */
35};
36
37/* Initialiser for a struct #efx_ethtool_stat with type-checking */
38#define EFX_ETHTOOL_STAT(stat_name, source_name, field, field_type, \
39 get_stat_function) { \
40 .name = #stat_name, \
41 .source = EFX_ETHTOOL_STAT_SOURCE_##source_name, \
42 .offset = ((((field_type *) 0) == \
43 &((struct efx_##source_name *)0)->field) ? \
44 offsetof(struct efx_##source_name, field) : \
45 offsetof(struct efx_##source_name, field)), \
46 .get_stat = get_stat_function, \
47}
48
49static u64 efx_get_uint_stat(void *field)
50{
51 return *(unsigned int *)field;
52}
53
54static u64 efx_get_ulong_stat(void *field)
55{
56 return *(unsigned long *)field;
57}
58
59static u64 efx_get_u64_stat(void *field)
60{
61 return *(u64 *) field;
62}
63
64static u64 efx_get_atomic_stat(void *field)
65{
66 return atomic_read((atomic_t *) field);
67}
68
69#define EFX_ETHTOOL_ULONG_MAC_STAT(field) \
70 EFX_ETHTOOL_STAT(field, mac_stats, field, \
71 unsigned long, efx_get_ulong_stat)
72
73#define EFX_ETHTOOL_U64_MAC_STAT(field) \
74 EFX_ETHTOOL_STAT(field, mac_stats, field, \
75 u64, efx_get_u64_stat)
76
77#define EFX_ETHTOOL_UINT_NIC_STAT(name) \
78 EFX_ETHTOOL_STAT(name, nic, n_##name, \
79 unsigned int, efx_get_uint_stat)
80
81#define EFX_ETHTOOL_ATOMIC_NIC_ERROR_STAT(field) \
82 EFX_ETHTOOL_STAT(field, nic, field, \
83 atomic_t, efx_get_atomic_stat)
84
85#define EFX_ETHTOOL_UINT_CHANNEL_STAT(field) \
86 EFX_ETHTOOL_STAT(field, channel, n_##field, \
87 unsigned int, efx_get_uint_stat)
88
89static struct efx_ethtool_stat efx_ethtool_stats[] = {
90 EFX_ETHTOOL_U64_MAC_STAT(tx_bytes),
91 EFX_ETHTOOL_U64_MAC_STAT(tx_good_bytes),
92 EFX_ETHTOOL_U64_MAC_STAT(tx_bad_bytes),
93 EFX_ETHTOOL_ULONG_MAC_STAT(tx_packets),
94 EFX_ETHTOOL_ULONG_MAC_STAT(tx_bad),
95 EFX_ETHTOOL_ULONG_MAC_STAT(tx_pause),
96 EFX_ETHTOOL_ULONG_MAC_STAT(tx_control),
97 EFX_ETHTOOL_ULONG_MAC_STAT(tx_unicast),
98 EFX_ETHTOOL_ULONG_MAC_STAT(tx_multicast),
99 EFX_ETHTOOL_ULONG_MAC_STAT(tx_broadcast),
100 EFX_ETHTOOL_ULONG_MAC_STAT(tx_lt64),
101 EFX_ETHTOOL_ULONG_MAC_STAT(tx_64),
102 EFX_ETHTOOL_ULONG_MAC_STAT(tx_65_to_127),
103 EFX_ETHTOOL_ULONG_MAC_STAT(tx_128_to_255),
104 EFX_ETHTOOL_ULONG_MAC_STAT(tx_256_to_511),
105 EFX_ETHTOOL_ULONG_MAC_STAT(tx_512_to_1023),
106 EFX_ETHTOOL_ULONG_MAC_STAT(tx_1024_to_15xx),
107 EFX_ETHTOOL_ULONG_MAC_STAT(tx_15xx_to_jumbo),
108 EFX_ETHTOOL_ULONG_MAC_STAT(tx_gtjumbo),
109 EFX_ETHTOOL_ULONG_MAC_STAT(tx_collision),
110 EFX_ETHTOOL_ULONG_MAC_STAT(tx_single_collision),
111 EFX_ETHTOOL_ULONG_MAC_STAT(tx_multiple_collision),
112 EFX_ETHTOOL_ULONG_MAC_STAT(tx_excessive_collision),
113 EFX_ETHTOOL_ULONG_MAC_STAT(tx_deferred),
114 EFX_ETHTOOL_ULONG_MAC_STAT(tx_late_collision),
115 EFX_ETHTOOL_ULONG_MAC_STAT(tx_excessive_deferred),
116 EFX_ETHTOOL_ULONG_MAC_STAT(tx_non_tcpudp),
117 EFX_ETHTOOL_ULONG_MAC_STAT(tx_mac_src_error),
118 EFX_ETHTOOL_ULONG_MAC_STAT(tx_ip_src_error),
119 EFX_ETHTOOL_U64_MAC_STAT(rx_bytes),
120 EFX_ETHTOOL_U64_MAC_STAT(rx_good_bytes),
121 EFX_ETHTOOL_U64_MAC_STAT(rx_bad_bytes),
122 EFX_ETHTOOL_ULONG_MAC_STAT(rx_packets),
123 EFX_ETHTOOL_ULONG_MAC_STAT(rx_good),
124 EFX_ETHTOOL_ULONG_MAC_STAT(rx_bad),
125 EFX_ETHTOOL_ULONG_MAC_STAT(rx_pause),
126 EFX_ETHTOOL_ULONG_MAC_STAT(rx_control),
127 EFX_ETHTOOL_ULONG_MAC_STAT(rx_unicast),
128 EFX_ETHTOOL_ULONG_MAC_STAT(rx_multicast),
129 EFX_ETHTOOL_ULONG_MAC_STAT(rx_broadcast),
130 EFX_ETHTOOL_ULONG_MAC_STAT(rx_lt64),
131 EFX_ETHTOOL_ULONG_MAC_STAT(rx_64),
132 EFX_ETHTOOL_ULONG_MAC_STAT(rx_65_to_127),
133 EFX_ETHTOOL_ULONG_MAC_STAT(rx_128_to_255),
134 EFX_ETHTOOL_ULONG_MAC_STAT(rx_256_to_511),
135 EFX_ETHTOOL_ULONG_MAC_STAT(rx_512_to_1023),
136 EFX_ETHTOOL_ULONG_MAC_STAT(rx_1024_to_15xx),
137 EFX_ETHTOOL_ULONG_MAC_STAT(rx_15xx_to_jumbo),
138 EFX_ETHTOOL_ULONG_MAC_STAT(rx_gtjumbo),
139 EFX_ETHTOOL_ULONG_MAC_STAT(rx_bad_lt64),
140 EFX_ETHTOOL_ULONG_MAC_STAT(rx_bad_64_to_15xx),
141 EFX_ETHTOOL_ULONG_MAC_STAT(rx_bad_15xx_to_jumbo),
142 EFX_ETHTOOL_ULONG_MAC_STAT(rx_bad_gtjumbo),
143 EFX_ETHTOOL_ULONG_MAC_STAT(rx_overflow),
144 EFX_ETHTOOL_ULONG_MAC_STAT(rx_missed),
145 EFX_ETHTOOL_ULONG_MAC_STAT(rx_false_carrier),
146 EFX_ETHTOOL_ULONG_MAC_STAT(rx_symbol_error),
147 EFX_ETHTOOL_ULONG_MAC_STAT(rx_align_error),
148 EFX_ETHTOOL_ULONG_MAC_STAT(rx_length_error),
149 EFX_ETHTOOL_ULONG_MAC_STAT(rx_internal_error),
150 EFX_ETHTOOL_UINT_NIC_STAT(rx_nodesc_drop_cnt),
151 EFX_ETHTOOL_ATOMIC_NIC_ERROR_STAT(rx_reset),
152 EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_tobe_disc),
153 EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_ip_hdr_chksum_err),
154 EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_tcp_udp_chksum_err),
c1ac403b 155 EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_mcast_mismatch),
8ceee660
BH		 156 EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_frm_trunc),
157};
158
159/* Number of ethtool statistics */
160#define EFX_ETHTOOL_NUM_STATS ARRAY_SIZE(efx_ethtool_stats)
161
4a5b504d 162#define EFX_ETHTOOL_EEPROM_MAGIC 0xEFAB
4a5b504d 163
8ceee660
BH		 164/**************************************************************************
165 *
166 * Ethtool operations
167 *
168 **************************************************************************
169 */
170
171/* Identify device by flashing LEDs */
65f667fb 172static int efx_ethtool_phys_id(struct net_device *net_dev, u32 count)
8ceee660 173{
767e468c 174 struct efx_nic *efx = netdev_priv(net_dev);
8ceee660 175
398468ed 176 do {
06629f07 177 efx->type->set_id_led(efx, EFX_LED_ON);
398468ed
BH		 178 schedule_timeout_interruptible(HZ / 2);
179
06629f07 180 efx->type->set_id_led(efx, EFX_LED_OFF);
398468ed
BH		 181 schedule_timeout_interruptible(HZ / 2);
182 } while (!signal_pending(current) && --count != 0);
183
06629f07 184 efx->type->set_id_led(efx, EFX_LED_DEFAULT);
8ceee660
BH		 185 return 0;
186}
187
188/* This must be called with rtnl_lock held. */
189int efx_ethtool_get_settings(struct net_device *net_dev,
190 struct ethtool_cmd *ecmd)
191{
767e468c 192 struct efx_nic *efx = netdev_priv(net_dev);
d3245b28 193 struct efx_link_state *link_state = &efx->link_state;
8ceee660
BH		 194
195 mutex_lock(&efx->mac_lock);
177dfcd8 196 efx->phy_op->get_settings(efx, ecmd);
8ceee660
BH		 197 mutex_unlock(&efx->mac_lock);
198
754c653a 199 /* GMAC does not support 1000Mbps HD */
177dfcd8 200 ecmd->supported &= ~SUPPORTED_1000baseT_Half;
d3245b28
BH		 201 /* Both MACs support pause frames (bidirectional and respond-only) */
202 ecmd->supported |= SUPPORTED_Pause | SUPPORTED_Asym_Pause;
203
204 if (LOOPBACK_INTERNAL(efx)) {
205 ecmd->speed = link_state->speed;
206 ecmd->duplex = link_state->fd ? DUPLEX_FULL : DUPLEX_HALF;
207 }
177dfcd8
BH		 208
209 return 0;
8ceee660
BH		 210}
211
212/* This must be called with rtnl_lock held. */
213int efx_ethtool_set_settings(struct net_device *net_dev,
214 struct ethtool_cmd *ecmd)
215{
767e468c 216 struct efx_nic *efx = netdev_priv(net_dev);
8ceee660
BH		 217 int rc;
218
754c653a 219 /* GMAC does not support 1000Mbps HD */
177dfcd8 220 if (ecmd->speed == SPEED_1000 && ecmd->duplex != DUPLEX_FULL) {
62776d03
BH		 221 netif_dbg(efx, drv, efx->net_dev,
222 "rejecting unsupported 1000Mbps HD setting\n");
177dfcd8
BH		 223 return -EINVAL;
224 }
225
8ceee660 226 mutex_lock(&efx->mac_lock);
177dfcd8 227 rc = efx->phy_op->set_settings(efx, ecmd);
8ceee660 228 mutex_unlock(&efx->mac_lock);
8ceee660
BH		 229 return rc;
230}
231
232static void efx_ethtool_get_drvinfo(struct net_device *net_dev,
233 struct ethtool_drvinfo *info)
234{
767e468c 235 struct efx_nic *efx = netdev_priv(net_dev);
8ceee660 236
c5d5f5fd 237 strlcpy(info->driver, KBUILD_MODNAME, sizeof(info->driver));
8ceee660 238 strlcpy(info->version, EFX_DRIVER_VERSION, sizeof(info->version));
8880f4ec
BH		 239 if (efx_nic_rev(efx) >= EFX_REV_SIENA_A0)
240 siena_print_fwver(efx, info->fw_version,
241 sizeof(info->fw_version));
8ceee660
BH		 242 strlcpy(info->bus_info, pci_name(efx->pci_dev), sizeof(info->bus_info));
243}
244
5b98c1bf
BH		 245static int efx_ethtool_get_regs_len(struct net_device *net_dev)
246{
247 return efx_nic_get_regs_len(netdev_priv(net_dev));
248}
249
250static void efx_ethtool_get_regs(struct net_device *net_dev,
251 struct ethtool_regs *regs, void *buf)
252{
253 struct efx_nic *efx = netdev_priv(net_dev);
254
255 regs->version = efx->type->revision;
256 efx_nic_get_regs(efx, buf);
257}
258
62776d03
BH		 259static u32 efx_ethtool_get_msglevel(struct net_device *net_dev)
260{
261 struct efx_nic *efx = netdev_priv(net_dev);
262 return efx->msg_enable;
263}
264
265static void efx_ethtool_set_msglevel(struct net_device *net_dev, u32 msg_enable)
266{
267 struct efx_nic *efx = netdev_priv(net_dev);
268 efx->msg_enable = msg_enable;
269}
270
3273c2e8
BH		 271/**
272 * efx_fill_test - fill in an individual self-test entry
273 * @test_index: Index of the test
274 * @strings: Ethtool strings, or %NULL
275 * @data: Ethtool test results, or %NULL
276 * @test: Pointer to test result (used only if data != %NULL)
740ced99
BH		 277 * @unit_format: Unit name format (e.g. "chan\%d")
278 * @unit_id: Unit id (e.g. 0 for "chan0")
3273c2e8 279 * @test_format: Test name format (e.g. "loopback.\%s.tx.sent")
740ced99 280 * @test_id: Test id (e.g. "PHYXS" for "loopback.PHYXS.tx_sent")
3273c2e8
BH		 281 *
282 * Fill in an individual self-test entry.
283 */
284static void efx_fill_test(unsigned int test_index,
285 struct ethtool_string *strings, u64 *data,
286 int *test, const char *unit_format, int unit_id,
287 const char *test_format, const char *test_id)
288{
289 struct ethtool_string unit_str, test_str;
290
291 /* Fill data value, if applicable */
292 if (data)
293 data[test_index] = *test;
294
295 /* Fill string, if applicable */
296 if (strings) {
11e66966
BH		 297 if (strchr(unit_format, '%'))
298 snprintf(unit_str.name, sizeof(unit_str.name),
299 unit_format, unit_id);
300 else
301 strcpy(unit_str.name, unit_format);
3273c2e8
BH		 302 snprintf(test_str.name, sizeof(test_str.name),
303 test_format, test_id);
304 snprintf(strings[test_index].name,
305 sizeof(strings[test_index].name),
740ced99 306 "%-6s %-24s", unit_str.name, test_str.name);
3273c2e8
BH		 307 }
308}
309
740ced99 310#define EFX_CHANNEL_NAME(_channel) "chan%d", _channel->channel
3273c2e8
BH		 311#define EFX_TX_QUEUE_NAME(_tx_queue) "txq%d", _tx_queue->queue
312#define EFX_RX_QUEUE_NAME(_rx_queue) "rxq%d", _rx_queue->queue
313#define EFX_LOOPBACK_NAME(_mode, _counter) \
c459302d 314 "loopback.%s." _counter, STRING_TABLE_LOOKUP(_mode, efx_loopback_mode)
3273c2e8
BH		 315
316/**
317 * efx_fill_loopback_test - fill in a block of loopback self-test entries
318 * @efx: Efx NIC
319 * @lb_tests: Efx loopback self-test results structure
320 * @mode: Loopback test mode
321 * @test_index: Starting index of the test
322 * @strings: Ethtool strings, or %NULL
323 * @data: Ethtool test results, or %NULL
324 */
325static int efx_fill_loopback_test(struct efx_nic *efx,
326 struct efx_loopback_self_tests *lb_tests,
327 enum efx_loopback_mode mode,
328 unsigned int test_index,
329 struct ethtool_string *strings, u64 *data)
330{
331 struct efx_tx_queue *tx_queue;
332
5298c37f 333 efx_for_each_channel_tx_queue(tx_queue, &efx->channel[0]) {
3273c2e8
BH		 334 efx_fill_test(test_index++, strings, data,
335 &lb_tests->tx_sent[tx_queue->queue],
336 EFX_TX_QUEUE_NAME(tx_queue),
337 EFX_LOOPBACK_NAME(mode, "tx_sent"));
338 efx_fill_test(test_index++, strings, data,
339 &lb_tests->tx_done[tx_queue->queue],
340 EFX_TX_QUEUE_NAME(tx_queue),
341 EFX_LOOPBACK_NAME(mode, "tx_done"));
342 }
343 efx_fill_test(test_index++, strings, data,
344 &lb_tests->rx_good,
11e66966 345 "rx", 0,
3273c2e8
BH		 346 EFX_LOOPBACK_NAME(mode, "rx_good"));
347 efx_fill_test(test_index++, strings, data,
348 &lb_tests->rx_bad,
11e66966 349 "rx", 0,
3273c2e8
BH		 350 EFX_LOOPBACK_NAME(mode, "rx_bad"));
351
352 return test_index;
353}
354
355/**
356 * efx_ethtool_fill_self_tests - get self-test details
357 * @efx: Efx NIC
358 * @tests: Efx self-test results structure, or %NULL
359 * @strings: Ethtool strings, or %NULL
360 * @data: Ethtool test results, or %NULL
361 */
362static int efx_ethtool_fill_self_tests(struct efx_nic *efx,
363 struct efx_self_tests *tests,
364 struct ethtool_string *strings,
365 u64 *data)
366{
367 struct efx_channel *channel;
1796721a 368 unsigned int n = 0, i;
3273c2e8
BH		 369 enum efx_loopback_mode mode;
370
4f16c073
BH		 371 efx_fill_test(n++, strings, data, &tests->phy_alive,
372 "phy", 0, "alive", NULL);
8c8661e4
BH		 373 efx_fill_test(n++, strings, data, &tests->nvram,
374 "core", 0, "nvram", NULL);
3273c2e8
BH		 375 efx_fill_test(n++, strings, data, &tests->interrupt,
376 "core", 0, "interrupt", NULL);
377
378 /* Event queues */
379 efx_for_each_channel(channel, efx) {
380 efx_fill_test(n++, strings, data,
381 &tests->eventq_dma[channel->channel],
382 EFX_CHANNEL_NAME(channel),
383 "eventq.dma", NULL);
384 efx_fill_test(n++, strings, data,
385 &tests->eventq_int[channel->channel],
386 EFX_CHANNEL_NAME(channel),
387 "eventq.int", NULL);
388 efx_fill_test(n++, strings, data,
389 &tests->eventq_poll[channel->channel],
390 EFX_CHANNEL_NAME(channel),
391 "eventq.poll", NULL);
392 }
393
8c8661e4
BH		 394 efx_fill_test(n++, strings, data, &tests->registers,
395 "core", 0, "registers", NULL);
1796721a 396
c1c4f453
BH		 397 if (efx->phy_op->run_tests != NULL) {
398 EFX_BUG_ON_PARANOID(efx->phy_op->test_name == NULL);
399
400 for (i = 0; true; ++i) {
401 const char *name;
402
403 EFX_BUG_ON_PARANOID(i >= EFX_MAX_PHY_TESTS);
404 name = efx->phy_op->test_name(efx, i);
405 if (name == NULL)
406 break;
407
4f16c073 408 efx_fill_test(n++, strings, data, &tests->phy_ext[i],
c1c4f453
BH		 409 "phy", 0, name, NULL);
410 }
411 }
3273c2e8
BH		 412
413 /* Loopback tests */
8c8661e4 414 for (mode = LOOPBACK_NONE; mode <= LOOPBACK_TEST_MAX; mode++) {
3273c2e8
BH		 415 if (!(efx->loopback_modes & (1 << mode)))
416 continue;
417 n = efx_fill_loopback_test(efx,
418 &tests->loopback[mode], mode, n,
419 strings, data);
420 }
421
422 return n;
423}
424
3594e131
BH		 425static int efx_ethtool_get_sset_count(struct net_device *net_dev,
426 int string_set)
8ceee660 427{
3594e131
BH		 428 switch (string_set) {
429 case ETH_SS_STATS:
430 return EFX_ETHTOOL_NUM_STATS;
431 case ETH_SS_TEST:
432 return efx_ethtool_fill_self_tests(netdev_priv(net_dev),
433 NULL, NULL, NULL);
434 default:
435 return -EINVAL;
436 }
3273c2e8
BH		 437}
438
8ceee660
BH		 439static void efx_ethtool_get_strings(struct net_device *net_dev,
440 u32 string_set, u8 *strings)
441{
767e468c 442 struct efx_nic *efx = netdev_priv(net_dev);
8ceee660
BH		 443 struct ethtool_string *ethtool_strings =
444 (struct ethtool_string *)strings;
445 int i;
446
3273c2e8
BH		 447 switch (string_set) {
448 case ETH_SS_STATS:
8ceee660
BH		 449 for (i = 0; i < EFX_ETHTOOL_NUM_STATS; i++)
450 strncpy(ethtool_strings[i].name,
451 efx_ethtool_stats[i].name,
452 sizeof(ethtool_strings[i].name));
3273c2e8
BH		 453 break;
454 case ETH_SS_TEST:
455 efx_ethtool_fill_self_tests(efx, NULL,
456 ethtool_strings, NULL);
457 break;
458 default:
459 /* No other string sets */
460 break;
461 }
8ceee660
BH		 462}
463
464static void efx_ethtool_get_stats(struct net_device *net_dev,
465 struct ethtool_stats *stats,
466 u64 *data)
467{
767e468c 468 struct efx_nic *efx = netdev_priv(net_dev);
8ceee660
BH		 469 struct efx_mac_stats *mac_stats = &efx->mac_stats;
470 struct efx_ethtool_stat *stat;
471 struct efx_channel *channel;
472 int i;
473
474 EFX_BUG_ON_PARANOID(stats->n_stats != EFX_ETHTOOL_NUM_STATS);
475
476 /* Update MAC and NIC statistics */
eeda3fd6 477 dev_get_stats(net_dev);
8ceee660
BH		 478
479 /* Fill detailed statistics buffer */
480 for (i = 0; i < EFX_ETHTOOL_NUM_STATS; i++) {
481 stat = &efx_ethtool_stats[i];
482 switch (stat->source) {
483 case EFX_ETHTOOL_STAT_SOURCE_mac_stats:
484 data[i] = stat->get_stat((void *)mac_stats +
485 stat->offset);
486 break;
487 case EFX_ETHTOOL_STAT_SOURCE_nic:
488 data[i] = stat->get_stat((void *)efx + stat->offset);
489 break;
490 case EFX_ETHTOOL_STAT_SOURCE_channel:
491 data[i] = 0;
492 efx_for_each_channel(channel, efx)
493 data[i] += stat->get_stat((void *)channel +
494 stat->offset);
495 break;
496 }
497 }
498}
499
738a8f4b
BH		 500static int efx_ethtool_set_tso(struct net_device *net_dev, u32 enable)
501{
502 struct efx_nic *efx __attribute__ ((unused)) = netdev_priv(net_dev);
503 unsigned long features;
504
505 features = NETIF_F_TSO;
506 if (efx->type->offload_features & NETIF_F_V6_CSUM)
507 features |= NETIF_F_TSO6;
508
509 if (enable)
510 net_dev->features |= features;
511 else
512 net_dev->features &= ~features;
513
514 return 0;
515}
516
c383b537
BH		 517static int efx_ethtool_set_tx_csum(struct net_device *net_dev, u32 enable)
518{
519 struct efx_nic *efx = netdev_priv(net_dev);
520 unsigned long features = efx->type->offload_features & NETIF_F_ALL_CSUM;
521
522 if (enable)
523 net_dev->features |= features;
524 else
525 net_dev->features &= ~features;
526
527 return 0;
528}
529
8ceee660
BH		 530static int efx_ethtool_set_rx_csum(struct net_device *net_dev, u32 enable)
531{
767e468c 532 struct efx_nic *efx = netdev_priv(net_dev);
8ceee660
BH		 533
534 /* No way to stop the hardware doing the checks; we just
535 * ignore the result.
536 */
dc8cfa55 537 efx->rx_checksum_enabled = !!enable;
8ceee660
BH		 538
539 return 0;
540}
541
542static u32 efx_ethtool_get_rx_csum(struct net_device *net_dev)
543{
767e468c 544 struct efx_nic *efx = netdev_priv(net_dev);
8ceee660
BH		 545
546 return efx->rx_checksum_enabled;
547}
548
39c9cf07
BH		 549static int efx_ethtool_set_flags(struct net_device *net_dev, u32 data)
550{
551 struct efx_nic *efx = netdev_priv(net_dev);
552 u32 supported = efx->type->offload_features & ETH_FLAG_RXHASH;
553
1437ce39 554 return ethtool_op_set_flags(net_dev, data, supported);
39c9cf07
BH		 555}
556
3273c2e8
BH		 557static void efx_ethtool_self_test(struct net_device *net_dev,
558 struct ethtool_test *test, u64 *data)
559{
767e468c 560 struct efx_nic *efx = netdev_priv(net_dev);
3273c2e8 561 struct efx_self_tests efx_tests;
2ef3068e 562 int already_up;
3273c2e8
BH		 563 int rc;
564
565 ASSERT_RTNL();
566 if (efx->state != STATE_RUNNING) {
567 rc = -EIO;
568 goto fail1;
569 }
570
571 /* We need rx buffers and interrupts. */
572 already_up = (efx->net_dev->flags & IFF_UP);
573 if (!already_up) {
574 rc = dev_open(efx->net_dev);
575 if (rc) {
62776d03
BH		 576 netif_err(efx, drv, efx->net_dev,
577 "failed opening device.\n");
3273c2e8
BH		 578 goto fail2;
579 }
580 }
581
582 memset(&efx_tests, 0, sizeof(efx_tests));
3273c2e8 583
2ef3068e 584 rc = efx_selftest(efx, &efx_tests, test->flags);
3273c2e8 585
3273c2e8
BH		 586 if (!already_up)
587 dev_close(efx->net_dev);
588
62776d03
BH		 589 netif_dbg(efx, drv, efx->net_dev, "%s %sline self-tests\n",
590 rc == 0 ? "passed" : "failed",
591 (test->flags & ETH_TEST_FL_OFFLINE) ? "off" : "on");
3273c2e8
BH		 592
593 fail2:
594 fail1:
595 /* Fill ethtool results structures */
596 efx_ethtool_fill_self_tests(efx, &efx_tests, NULL, data);
597 if (rc)
598 test->flags |= ETH_TEST_FL_FAILED;
599}
600
8ceee660
BH		 601/* Restart autonegotiation */
602static int efx_ethtool_nway_reset(struct net_device *net_dev)
603{
767e468c 604 struct efx_nic *efx = netdev_priv(net_dev);
8ceee660 605
68e7f45e 606 return mdio45_nway_restart(&efx->mdio);
8ceee660
BH		 607}
608
609static u32 efx_ethtool_get_link(struct net_device *net_dev)
610{
767e468c 611 struct efx_nic *efx = netdev_priv(net_dev);
8ceee660 612
eb50c0d6 613 return efx->link_state.up;
8ceee660
BH		 614}
615
4a5b504d
BH		 616static int efx_ethtool_get_eeprom_len(struct net_device *net_dev)
617{
618 struct efx_nic *efx = netdev_priv(net_dev);
619 struct efx_spi_device *spi = efx->spi_eeprom;
620
621 if (!spi)
622 return 0;
0a95f563
BH		 623 return min(spi->size, EFX_EEPROM_BOOTCONFIG_END) -
624 min(spi->size, EFX_EEPROM_BOOTCONFIG_START);
4a5b504d
BH		 625}
626
627static int efx_ethtool_get_eeprom(struct net_device *net_dev,
628 struct ethtool_eeprom *eeprom, u8 *buf)
629{
630 struct efx_nic *efx = netdev_priv(net_dev);
631 struct efx_spi_device *spi = efx->spi_eeprom;
632 size_t len;
633 int rc;
634
ca54a9f5
BH		 635 rc = mutex_lock_interruptible(&efx->spi_lock);
636 if (rc)
637 return rc;
76884835
BH		 638 rc = falcon_spi_read(efx, spi,
639 eeprom->offset + EFX_EEPROM_BOOTCONFIG_START,
4a5b504d 640 eeprom->len, &len, buf);
f4150724 641 mutex_unlock(&efx->spi_lock);
ca54a9f5 642
4a5b504d
BH		 643 eeprom->magic = EFX_ETHTOOL_EEPROM_MAGIC;
644 eeprom->len = len;
645 return rc;
646}
647
648static int efx_ethtool_set_eeprom(struct net_device *net_dev,
649 struct ethtool_eeprom *eeprom, u8 *buf)
650{
651 struct efx_nic *efx = netdev_priv(net_dev);
652 struct efx_spi_device *spi = efx->spi_eeprom;
653 size_t len;
654 int rc;
655
656 if (eeprom->magic != EFX_ETHTOOL_EEPROM_MAGIC)
657 return -EINVAL;
658
ca54a9f5
BH		 659 rc = mutex_lock_interruptible(&efx->spi_lock);
660 if (rc)
661 return rc;
76884835
BH		 662 rc = falcon_spi_write(efx, spi,
663 eeprom->offset + EFX_EEPROM_BOOTCONFIG_START,
4a5b504d 664 eeprom->len, &len, buf);
f4150724 665 mutex_unlock(&efx->spi_lock);
ca54a9f5 666
4a5b504d
BH		 667 eeprom->len = len;
668 return rc;
669}
670
8ceee660
BH		 671static int efx_ethtool_get_coalesce(struct net_device *net_dev,
672 struct ethtool_coalesce *coalesce)
673{
767e468c 674 struct efx_nic *efx = netdev_priv(net_dev);
8ceee660 675 struct efx_tx_queue *tx_queue;
8ceee660
BH		 676 struct efx_channel *channel;
677
678 memset(coalesce, 0, sizeof(*coalesce));
679
680 /* Find lowest IRQ moderation across all used TX queues */
681 coalesce->tx_coalesce_usecs_irq = ~((u32) 0);
682 efx_for_each_tx_queue(tx_queue, efx) {
683 channel = tx_queue->channel;
684 if (channel->irq_moderation < coalesce->tx_coalesce_usecs_irq) {
a4900ac9 685 if (channel->channel < efx->n_rx_channels)
8ceee660
BH		 686 coalesce->tx_coalesce_usecs_irq =
687 channel->irq_moderation;
688 else
689 coalesce->tx_coalesce_usecs_irq = 0;
690 }
691 }
692
6fb70fd1
BH		 693 coalesce->use_adaptive_rx_coalesce = efx->irq_rx_adaptive;
694 coalesce->rx_coalesce_usecs_irq = efx->irq_rx_moderation;
8ceee660 695
152b6a62
BH		 696 coalesce->tx_coalesce_usecs_irq *= EFX_IRQ_MOD_RESOLUTION;
697 coalesce->rx_coalesce_usecs_irq *= EFX_IRQ_MOD_RESOLUTION;
0d86ebd8 698
8ceee660
BH		 699 return 0;
700}
701
702/* Set coalescing parameters
703 * The difficulties occur for shared channels
704 */
705static int efx_ethtool_set_coalesce(struct net_device *net_dev,
706 struct ethtool_coalesce *coalesce)
707{
767e468c 708 struct efx_nic *efx = netdev_priv(net_dev);
8ceee660
BH		 709 struct efx_channel *channel;
710 struct efx_tx_queue *tx_queue;
6fb70fd1 711 unsigned tx_usecs, rx_usecs, adaptive;
8ceee660 712
6fb70fd1 713 if (coalesce->use_adaptive_tx_coalesce)
8ceee660
BH		 714 return -EOPNOTSUPP;
715
716 if (coalesce->rx_coalesce_usecs || coalesce->tx_coalesce_usecs) {
62776d03
BH		 717 netif_err(efx, drv, efx->net_dev, "invalid coalescing setting. "
718 "Only rx/tx_coalesce_usecs_irq are supported\n");
8ceee660
BH		 719 return -EOPNOTSUPP;
720 }
721
722 rx_usecs = coalesce->rx_coalesce_usecs_irq;
723 tx_usecs = coalesce->tx_coalesce_usecs_irq;
6fb70fd1 724 adaptive = coalesce->use_adaptive_rx_coalesce;
8ceee660
BH		 725
726 /* If the channel is shared only allow RX parameters to be set */
727 efx_for_each_tx_queue(tx_queue, efx) {
a4900ac9 728 if ((tx_queue->channel->channel < efx->n_rx_channels) &&
8ceee660 729 tx_usecs) {
62776d03
BH		 730 netif_err(efx, drv, efx->net_dev, "Channel is shared. "
731 "Only RX coalescing may be set\n");
8ceee660
BH		 732 return -EOPNOTSUPP;
733 }
734 }
735
6fb70fd1 736 efx_init_irq_moderation(efx, tx_usecs, rx_usecs, adaptive);
8ceee660 737 efx_for_each_channel(channel, efx)
ef2b90ee 738 efx->type->push_irq_moderation(channel);
8ceee660
BH		 739
740 return 0;
741}
742
743static int efx_ethtool_set_pauseparam(struct net_device *net_dev,
744 struct ethtool_pauseparam *pause)
745{
767e468c 746 struct efx_nic *efx = netdev_priv(net_dev);
d3245b28
BH		 747 enum efx_fc_type wanted_fc, old_fc;
748 u32 old_adv;
04cc8cac 749 bool reset;
d3245b28
BH		 750 int rc = 0;
751
752 mutex_lock(&efx->mac_lock);
8ceee660 753
04cc8cac
BH		 754 wanted_fc = ((pause->rx_pause ? EFX_FC_RX : 0) |
755 (pause->tx_pause ? EFX_FC_TX : 0) |
756 (pause->autoneg ? EFX_FC_AUTO : 0));
757
758 if ((wanted_fc & EFX_FC_TX) && !(wanted_fc & EFX_FC_RX)) {
62776d03
BH		 759 netif_dbg(efx, drv, efx->net_dev,
760 "Flow control unsupported: tx ON rx OFF\n");
d3245b28
BH		 761 rc = -EINVAL;
762 goto out;
04cc8cac
BH		 763 }
764
d3245b28 765 if ((wanted_fc & EFX_FC_AUTO) && !efx->link_advertising) {
62776d03
BH		 766 netif_dbg(efx, drv, efx->net_dev,
767 "Autonegotiation is disabled\n");
d3245b28
BH		 768 rc = -EINVAL;
769 goto out;
04cc8cac
BH		 770 }
771
772 /* TX flow control may automatically turn itself off if the
773 * link partner (intermittently) stops responding to pause
774 * frames. There isn't any indication that this has happened,
775 * so the best we do is leave it up to the user to spot this
776 * and fix it be cycling transmit flow control on this end. */
777 reset = (wanted_fc & EFX_FC_TX) && !(efx->wanted_fc & EFX_FC_TX);
778 if (EFX_WORKAROUND_11482(efx) && reset) {
daeda630 779 if (efx_nic_rev(efx) == EFX_REV_FALCON_B0) {
04cc8cac 780 /* Recover by resetting the EM block */
d3245b28
BH		 781 falcon_stop_nic_stats(efx);
782 falcon_drain_tx_fifo(efx);
783 efx->mac_op->reconfigure(efx);
784 falcon_start_nic_stats(efx);
04cc8cac
BH		 785 } else {
786 /* Schedule a reset to recover */
787 efx_schedule_reset(efx, RESET_TYPE_INVISIBLE);
788 }
789 }
790
d3245b28
BH		 791 old_adv = efx->link_advertising;
792 old_fc = efx->wanted_fc;
793 efx_link_set_wanted_fc(efx, wanted_fc);
794 if (efx->link_advertising != old_adv ||
795 (efx->wanted_fc ^ old_fc) & EFX_FC_AUTO) {
796 rc = efx->phy_op->reconfigure(efx);
797 if (rc) {
62776d03
BH		 798 netif_err(efx, drv, efx->net_dev,
799 "Unable to advertise requested flow "
800 "control setting\n");
d3245b28
BH		 801 goto out;
802 }
803 }
04cc8cac 804
d3245b28
BH		 805 /* Reconfigure the MAC. The PHY *may* generate a link state change event
806 * if the user just changed the advertised capabilities, but there's no
807 * harm doing this twice */
808 efx->mac_op->reconfigure(efx);
04cc8cac 809
d3245b28 810out:
04cc8cac 811 mutex_unlock(&efx->mac_lock);
8ceee660 812
d3245b28 813 return rc;
8ceee660
BH		 814}
815
816static void efx_ethtool_get_pauseparam(struct net_device *net_dev,
817 struct ethtool_pauseparam *pause)
818{
767e468c 819 struct efx_nic *efx = netdev_priv(net_dev);
8ceee660 820
04cc8cac
BH		 821 pause->rx_pause = !!(efx->wanted_fc & EFX_FC_RX);
822 pause->tx_pause = !!(efx->wanted_fc & EFX_FC_TX);
823 pause->autoneg = !!(efx->wanted_fc & EFX_FC_AUTO);
8ceee660
BH		 824}
825
826
89c758fa
BH		 827static void efx_ethtool_get_wol(struct net_device *net_dev,
828 struct ethtool_wolinfo *wol)
829{
830 struct efx_nic *efx = netdev_priv(net_dev);
831 return efx->type->get_wol(efx, wol);
832}
833
834
835static int efx_ethtool_set_wol(struct net_device *net_dev,
836 struct ethtool_wolinfo *wol)
837{
838 struct efx_nic *efx = netdev_priv(net_dev);
839 return efx->type->set_wol(efx, wol->wolopts);
840}
841
eb9f6744
BH		 842extern int efx_ethtool_reset(struct net_device *net_dev, u32 *flags)
843{
844 struct efx_nic *efx = netdev_priv(net_dev);
845 enum reset_type method;
846 enum {
847 ETH_RESET_EFX_INVISIBLE = (ETH_RESET_DMA | ETH_RESET_FILTER |
848 ETH_RESET_OFFLOAD | ETH_RESET_MAC)
849 };
850
851 /* Check for minimal reset flags */
852 if ((*flags & ETH_RESET_EFX_INVISIBLE) != ETH_RESET_EFX_INVISIBLE)
853 return -EINVAL;
854 *flags ^= ETH_RESET_EFX_INVISIBLE;
855 method = RESET_TYPE_INVISIBLE;
856
857 if (*flags & ETH_RESET_PHY) {
858 *flags ^= ETH_RESET_PHY;
859 method = RESET_TYPE_ALL;
860 }
861
862 if ((*flags & efx->type->reset_world_flags) ==
863 efx->type->reset_world_flags) {
864 *flags ^= efx->type->reset_world_flags;
865 method = RESET_TYPE_WORLD;
866 }
867
868 return efx_reset(efx, method);
869}
870
0fc0b732 871const struct ethtool_ops efx_ethtool_ops = {
8ceee660
BH		 872 .get_settings = efx_ethtool_get_settings,
873 .set_settings = efx_ethtool_set_settings,
874 .get_drvinfo = efx_ethtool_get_drvinfo,
5b98c1bf
BH		 875 .get_regs_len = efx_ethtool_get_regs_len,
876 .get_regs = efx_ethtool_get_regs,
62776d03
BH		 877 .get_msglevel = efx_ethtool_get_msglevel,
878 .set_msglevel = efx_ethtool_set_msglevel,
8ceee660
BH		 879 .nway_reset = efx_ethtool_nway_reset,
880 .get_link = efx_ethtool_get_link,
4a5b504d
BH		 881 .get_eeprom_len = efx_ethtool_get_eeprom_len,
882 .get_eeprom = efx_ethtool_get_eeprom,
883 .set_eeprom = efx_ethtool_set_eeprom,
8ceee660
BH		 884 .get_coalesce = efx_ethtool_get_coalesce,
885 .set_coalesce = efx_ethtool_set_coalesce,
886 .get_pauseparam = efx_ethtool_get_pauseparam,
887 .set_pauseparam = efx_ethtool_set_pauseparam,
888 .get_rx_csum = efx_ethtool_get_rx_csum,
889 .set_rx_csum = efx_ethtool_set_rx_csum,
890 .get_tx_csum = ethtool_op_get_tx_csum,
c383b537
BH		 891 /* Need to enable/disable IPv6 too */
892 .set_tx_csum = efx_ethtool_set_tx_csum,
8ceee660
BH		 893 .get_sg = ethtool_op_get_sg,
894 .set_sg = ethtool_op_set_sg,
b9b39b62 895 .get_tso = ethtool_op_get_tso,
738a8f4b
BH		 896 /* Need to enable/disable TSO-IPv6 too */
897 .set_tso = efx_ethtool_set_tso,
8ceee660 898 .get_flags = ethtool_op_get_flags,
39c9cf07 899 .set_flags = efx_ethtool_set_flags,
3594e131 900 .get_sset_count = efx_ethtool_get_sset_count,
3273c2e8 901 .self_test = efx_ethtool_self_test,
8ceee660
BH		 902 .get_strings = efx_ethtool_get_strings,
903 .phys_id = efx_ethtool_phys_id,
8ceee660 904 .get_ethtool_stats = efx_ethtool_get_stats,
89c758fa
BH		 905 .get_wol = efx_ethtool_get_wol,
906 .set_wol = efx_ethtool_set_wol,
eb9f6744 907 .reset = efx_ethtool_reset,
8ceee660 908};
Linux kernel - Deliverables
This page took 0.355275 seconds and 5 git commands to generate.