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rtc: stm32: fix misspelling and misalignment issues
[linux/fpc-iii.git] / drivers / net / ethernet / sfc / ethtool.c
blob3143588ffd77736479758d2bb7eae4f14ba5df9c
1 /****************************************************************************
2 * Driver for Solarflare network controllers and boards
3 * Copyright 2005-2006 Fen Systems Ltd.
4 * Copyright 2006-2013 Solarflare Communications Inc.
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 <linux/in.h>
15 #include "net_driver.h"
16 #include "workarounds.h"
17 #include "selftest.h"
18 #include "efx.h"
19 #include "filter.h"
20 #include "nic.h"
21
22 struct efx_sw_stat_desc {
23 const char *name;
24 enum {
25 EFX_ETHTOOL_STAT_SOURCE_nic,
26 EFX_ETHTOOL_STAT_SOURCE_channel,
27 EFX_ETHTOOL_STAT_SOURCE_tx_queue
28 } source;
29 unsigned offset;
30 u64(*get_stat) (void *field); /* Reader function */
31 };
32
33 /* Initialiser for a struct efx_sw_stat_desc with type-checking */
34 #define EFX_ETHTOOL_STAT(stat_name, source_name, field, field_type, \
35 get_stat_function) { \
36 .name = #stat_name, \
37 .source = EFX_ETHTOOL_STAT_SOURCE_##source_name, \
38 .offset = ((((field_type *) 0) == \
39 &((struct efx_##source_name *)0)->field) ? \
40 offsetof(struct efx_##source_name, field) : \
41 offsetof(struct efx_##source_name, field)), \
42 .get_stat = get_stat_function, \
43 }
44
45 static u64 efx_get_uint_stat(void *field)
46 {
47 return *(unsigned int *)field;
48 }
49
50 static u64 efx_get_atomic_stat(void *field)
51 {
52 return atomic_read((atomic_t *) field);
53 }
54
55 #define EFX_ETHTOOL_ATOMIC_NIC_ERROR_STAT(field) \
56 EFX_ETHTOOL_STAT(field, nic, field, \
57 atomic_t, efx_get_atomic_stat)
58
59 #define EFX_ETHTOOL_UINT_CHANNEL_STAT(field) \
60 EFX_ETHTOOL_STAT(field, channel, n_##field, \
61 unsigned int, efx_get_uint_stat)
62
63 #define EFX_ETHTOOL_UINT_TXQ_STAT(field) \
64 EFX_ETHTOOL_STAT(tx_##field, tx_queue, field, \
65 unsigned int, efx_get_uint_stat)
66
67 static const struct efx_sw_stat_desc efx_sw_stat_desc[] = {
68 EFX_ETHTOOL_UINT_TXQ_STAT(merge_events),
69 EFX_ETHTOOL_UINT_TXQ_STAT(tso_bursts),
70 EFX_ETHTOOL_UINT_TXQ_STAT(tso_long_headers),
71 EFX_ETHTOOL_UINT_TXQ_STAT(tso_packets),
72 EFX_ETHTOOL_UINT_TXQ_STAT(tso_fallbacks),
73 EFX_ETHTOOL_UINT_TXQ_STAT(pushes),
74 EFX_ETHTOOL_UINT_TXQ_STAT(pio_packets),
75 EFX_ETHTOOL_UINT_TXQ_STAT(cb_packets),
76 EFX_ETHTOOL_ATOMIC_NIC_ERROR_STAT(rx_reset),
77 EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_tobe_disc),
78 EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_ip_hdr_chksum_err),
79 EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_tcp_udp_chksum_err),
80 EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_inner_ip_hdr_chksum_err),
81 EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_inner_tcp_udp_chksum_err),
82 EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_outer_ip_hdr_chksum_err),
83 EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_outer_tcp_udp_chksum_err),
84 EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_eth_crc_err),
85 EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_mcast_mismatch),
86 EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_frm_trunc),
87 EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_merge_events),
88 EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_merge_packets),
89 };
90
91 #define EFX_ETHTOOL_SW_STAT_COUNT ARRAY_SIZE(efx_sw_stat_desc)
92
93 #define EFX_ETHTOOL_EEPROM_MAGIC 0xEFAB
94
95 /**************************************************************************
96 *
97 * Ethtool operations
98 *
99 **************************************************************************
100 */
101
102 /* Identify device by flashing LEDs */
103 static int efx_ethtool_phys_id(struct net_device *net_dev,
104 enum ethtool_phys_id_state state)
105 {
106 struct efx_nic *efx = netdev_priv(net_dev);
107 enum efx_led_mode mode = EFX_LED_DEFAULT;
108
109 switch (state) {
110 case ETHTOOL_ID_ON:
111 mode = EFX_LED_ON;
112 break;
113 case ETHTOOL_ID_OFF:
114 mode = EFX_LED_OFF;
115 break;
116 case ETHTOOL_ID_INACTIVE:
117 mode = EFX_LED_DEFAULT;
118 break;
119 case ETHTOOL_ID_ACTIVE:
120 return 1; /* cycle on/off once per second */
121 }
122
123 efx->type->set_id_led(efx, mode);
124 return 0;
125 }
126
127 /* This must be called with rtnl_lock held. */
128 static int
129 efx_ethtool_get_link_ksettings(struct net_device *net_dev,
130 struct ethtool_link_ksettings *cmd)
131 {
132 struct efx_nic *efx = netdev_priv(net_dev);
133 struct efx_link_state *link_state = &efx->link_state;
134 u32 supported;
135
136 mutex_lock(&efx->mac_lock);
137 efx->phy_op->get_link_ksettings(efx, cmd);
138 mutex_unlock(&efx->mac_lock);
139
140 /* Both MACs support pause frames (bidirectional and respond-only) */
141 ethtool_convert_link_mode_to_legacy_u32(&supported,
142 cmd->link_modes.supported);
143
144 supported |= SUPPORTED_Pause | SUPPORTED_Asym_Pause;
145
146 ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
147 supported);
148
149 if (LOOPBACK_INTERNAL(efx)) {
150 cmd->base.speed = link_state->speed;
151 cmd->base.duplex = link_state->fd ? DUPLEX_FULL : DUPLEX_HALF;
152 }
153
154 return 0;
155 }
156
157 /* This must be called with rtnl_lock held. */
158 static int
159 efx_ethtool_set_link_ksettings(struct net_device *net_dev,
160 const struct ethtool_link_ksettings *cmd)
161 {
162 struct efx_nic *efx = netdev_priv(net_dev);
163 int rc;
164
165 /* GMAC does not support 1000Mbps HD */
166 if ((cmd->base.speed == SPEED_1000) &&
167 (cmd->base.duplex != DUPLEX_FULL)) {
168 netif_dbg(efx, drv, efx->net_dev,
169 "rejecting unsupported 1000Mbps HD setting\n");
170 return -EINVAL;
171 }
172
173 mutex_lock(&efx->mac_lock);
174 rc = efx->phy_op->set_link_ksettings(efx, cmd);
175 mutex_unlock(&efx->mac_lock);
176 return rc;
177 }
178
179 static void efx_ethtool_get_drvinfo(struct net_device *net_dev,
180 struct ethtool_drvinfo *info)
181 {
182 struct efx_nic *efx = netdev_priv(net_dev);
183
184 strlcpy(info->driver, KBUILD_MODNAME, sizeof(info->driver));
185 strlcpy(info->version, EFX_DRIVER_VERSION, sizeof(info->version));
186 efx_mcdi_print_fwver(efx, info->fw_version,
187 sizeof(info->fw_version));
188 strlcpy(info->bus_info, pci_name(efx->pci_dev), sizeof(info->bus_info));
189 }
190
191 static int efx_ethtool_get_regs_len(struct net_device *net_dev)
192 {
193 return efx_nic_get_regs_len(netdev_priv(net_dev));
194 }
195
196 static void efx_ethtool_get_regs(struct net_device *net_dev,
197 struct ethtool_regs *regs, void *buf)
198 {
199 struct efx_nic *efx = netdev_priv(net_dev);
200
201 regs->version = efx->type->revision;
202 efx_nic_get_regs(efx, buf);
203 }
204
205 static u32 efx_ethtool_get_msglevel(struct net_device *net_dev)
206 {
207 struct efx_nic *efx = netdev_priv(net_dev);
208 return efx->msg_enable;
209 }
210
211 static void efx_ethtool_set_msglevel(struct net_device *net_dev, u32 msg_enable)
212 {
213 struct efx_nic *efx = netdev_priv(net_dev);
214 efx->msg_enable = msg_enable;
215 }
216
217 /**
218 * efx_fill_test - fill in an individual self-test entry
219 * @test_index: Index of the test
220 * @strings: Ethtool strings, or %NULL
221 * @data: Ethtool test results, or %NULL
222 * @test: Pointer to test result (used only if data != %NULL)
223 * @unit_format: Unit name format (e.g. "chan\%d")
224 * @unit_id: Unit id (e.g. 0 for "chan0")
225 * @test_format: Test name format (e.g. "loopback.\%s.tx.sent")
226 * @test_id: Test id (e.g. "PHYXS" for "loopback.PHYXS.tx_sent")
227 *
228 * Fill in an individual self-test entry.
229 */
230 static void efx_fill_test(unsigned int test_index, u8 *strings, u64 *data,
231 int *test, const char *unit_format, int unit_id,
232 const char *test_format, const char *test_id)
233 {
234 char unit_str[ETH_GSTRING_LEN], test_str[ETH_GSTRING_LEN];
235
236 /* Fill data value, if applicable */
237 if (data)
238 data[test_index] = *test;
239
240 /* Fill string, if applicable */
241 if (strings) {
242 if (strchr(unit_format, '%'))
243 snprintf(unit_str, sizeof(unit_str),
244 unit_format, unit_id);
245 else
246 strcpy(unit_str, unit_format);
247 snprintf(test_str, sizeof(test_str), test_format, test_id);
248 snprintf(strings + test_index * ETH_GSTRING_LEN,
249 ETH_GSTRING_LEN,
250 "%-6s %-24s", unit_str, test_str);
251 }
252 }
253
254 #define EFX_CHANNEL_NAME(_channel) "chan%d", _channel->channel
255 #define EFX_TX_QUEUE_NAME(_tx_queue) "txq%d", _tx_queue->queue
256 #define EFX_RX_QUEUE_NAME(_rx_queue) "rxq%d", _rx_queue->queue
257 #define EFX_LOOPBACK_NAME(_mode, _counter) \
258 "loopback.%s." _counter, STRING_TABLE_LOOKUP(_mode, efx_loopback_mode)
259
260 /**
261 * efx_fill_loopback_test - fill in a block of loopback self-test entries
262 * @efx: Efx NIC
263 * @lb_tests: Efx loopback self-test results structure
264 * @mode: Loopback test mode
265 * @test_index: Starting index of the test
266 * @strings: Ethtool strings, or %NULL
267 * @data: Ethtool test results, or %NULL
268 *
269 * Fill in a block of loopback self-test entries. Return new test
270 * index.
271 */
272 static int efx_fill_loopback_test(struct efx_nic *efx,
273 struct efx_loopback_self_tests *lb_tests,
274 enum efx_loopback_mode mode,
275 unsigned int test_index,
276 u8 *strings, u64 *data)
277 {
278 struct efx_channel *channel =
279 efx_get_channel(efx, efx->tx_channel_offset);
280 struct efx_tx_queue *tx_queue;
281
282 efx_for_each_channel_tx_queue(tx_queue, channel) {
283 efx_fill_test(test_index++, strings, data,
284 &lb_tests->tx_sent[tx_queue->queue],
285 EFX_TX_QUEUE_NAME(tx_queue),
286 EFX_LOOPBACK_NAME(mode, "tx_sent"));
287 efx_fill_test(test_index++, strings, data,
288 &lb_tests->tx_done[tx_queue->queue],
289 EFX_TX_QUEUE_NAME(tx_queue),
290 EFX_LOOPBACK_NAME(mode, "tx_done"));
291 }
292 efx_fill_test(test_index++, strings, data,
293 &lb_tests->rx_good,
294 "rx", 0,
295 EFX_LOOPBACK_NAME(mode, "rx_good"));
296 efx_fill_test(test_index++, strings, data,
297 &lb_tests->rx_bad,
298 "rx", 0,
299 EFX_LOOPBACK_NAME(mode, "rx_bad"));
300
301 return test_index;
302 }
303
304 /**
305 * efx_ethtool_fill_self_tests - get self-test details
306 * @efx: Efx NIC
307 * @tests: Efx self-test results structure, or %NULL
308 * @strings: Ethtool strings, or %NULL
309 * @data: Ethtool test results, or %NULL
310 *
311 * Get self-test number of strings, strings, and/or test results.
312 * Return number of strings (== number of test results).
313 *
314 * The reason for merging these three functions is to make sure that
315 * they can never be inconsistent.
316 */
317 static int efx_ethtool_fill_self_tests(struct efx_nic *efx,
318 struct efx_self_tests *tests,
319 u8 *strings, u64 *data)
320 {
321 struct efx_channel *channel;
322 unsigned int n = 0, i;
323 enum efx_loopback_mode mode;
324
325 efx_fill_test(n++, strings, data, &tests->phy_alive,
326 "phy", 0, "alive", NULL);
327 efx_fill_test(n++, strings, data, &tests->nvram,
328 "core", 0, "nvram", NULL);
329 efx_fill_test(n++, strings, data, &tests->interrupt,
330 "core", 0, "interrupt", NULL);
331
332 /* Event queues */
333 efx_for_each_channel(channel, efx) {
334 efx_fill_test(n++, strings, data,
335 &tests->eventq_dma[channel->channel],
336 EFX_CHANNEL_NAME(channel),
337 "eventq.dma", NULL);
338 efx_fill_test(n++, strings, data,
339 &tests->eventq_int[channel->channel],
340 EFX_CHANNEL_NAME(channel),
341 "eventq.int", NULL);
342 }
343
344 efx_fill_test(n++, strings, data, &tests->memory,
345 "core", 0, "memory", NULL);
346 efx_fill_test(n++, strings, data, &tests->registers,
347 "core", 0, "registers", NULL);
348
349 if (efx->phy_op->run_tests != NULL) {
350 EFX_WARN_ON_PARANOID(efx->phy_op->test_name == NULL);
351
352 for (i = 0; true; ++i) {
353 const char *name;
354
355 EFX_WARN_ON_PARANOID(i >= EFX_MAX_PHY_TESTS);
356 name = efx->phy_op->test_name(efx, i);
357 if (name == NULL)
358 break;
359
360 efx_fill_test(n++, strings, data, &tests->phy_ext[i],
361 "phy", 0, name, NULL);
362 }
363 }
364
365 /* Loopback tests */
366 for (mode = LOOPBACK_NONE; mode <= LOOPBACK_TEST_MAX; mode++) {
367 if (!(efx->loopback_modes & (1 << mode)))
368 continue;
369 n = efx_fill_loopback_test(efx,
370 &tests->loopback[mode], mode, n,
371 strings, data);
372 }
373
374 return n;
375 }
376
377 static size_t efx_describe_per_queue_stats(struct efx_nic *efx, u8 *strings)
378 {
379 size_t n_stats = 0;
380 struct efx_channel *channel;
381
382 efx_for_each_channel(channel, efx) {
383 if (efx_channel_has_tx_queues(channel)) {
384 n_stats++;
385 if (strings != NULL) {
386 snprintf(strings, ETH_GSTRING_LEN,
387 "tx-%u.tx_packets",
388 channel->tx_queue[0].queue /
389 EFX_TXQ_TYPES);
390
391 strings += ETH_GSTRING_LEN;
392 }
393 }
394 }
395 efx_for_each_channel(channel, efx) {
396 if (efx_channel_has_rx_queue(channel)) {
397 n_stats++;
398 if (strings != NULL) {
399 snprintf(strings, ETH_GSTRING_LEN,
400 "rx-%d.rx_packets", channel->channel);
401 strings += ETH_GSTRING_LEN;
402 }
403 }
404 }
405 return n_stats;
406 }
407
408 static int efx_ethtool_get_sset_count(struct net_device *net_dev,
409 int string_set)
410 {
411 struct efx_nic *efx = netdev_priv(net_dev);
412
413 switch (string_set) {
414 case ETH_SS_STATS:
415 return efx->type->describe_stats(efx, NULL) +
416 EFX_ETHTOOL_SW_STAT_COUNT +
417 efx_describe_per_queue_stats(efx, NULL) +
418 efx_ptp_describe_stats(efx, NULL);
419 case ETH_SS_TEST:
420 return efx_ethtool_fill_self_tests(efx, NULL, NULL, NULL);
421 default:
422 return -EINVAL;
423 }
424 }
425
426 static void efx_ethtool_get_strings(struct net_device *net_dev,
427 u32 string_set, u8 *strings)
428 {
429 struct efx_nic *efx = netdev_priv(net_dev);
430 int i;
431
432 switch (string_set) {
433 case ETH_SS_STATS:
434 strings += (efx->type->describe_stats(efx, strings) *
435 ETH_GSTRING_LEN);
436 for (i = 0; i < EFX_ETHTOOL_SW_STAT_COUNT; i++)
437 strlcpy(strings + i * ETH_GSTRING_LEN,
438 efx_sw_stat_desc[i].name, ETH_GSTRING_LEN);
439 strings += EFX_ETHTOOL_SW_STAT_COUNT * ETH_GSTRING_LEN;
440 strings += (efx_describe_per_queue_stats(efx, strings) *
441 ETH_GSTRING_LEN);
442 efx_ptp_describe_stats(efx, strings);
443 break;
444 case ETH_SS_TEST:
445 efx_ethtool_fill_self_tests(efx, NULL, strings, NULL);
446 break;
447 default:
448 /* No other string sets */
449 break;
450 }
451 }
452
453 static void efx_ethtool_get_stats(struct net_device *net_dev,
454 struct ethtool_stats *stats,
455 u64 *data)
456 {
457 struct efx_nic *efx = netdev_priv(net_dev);
458 const struct efx_sw_stat_desc *stat;
459 struct efx_channel *channel;
460 struct efx_tx_queue *tx_queue;
461 struct efx_rx_queue *rx_queue;
462 int i;
463
464 spin_lock_bh(&efx->stats_lock);
465
466 /* Get NIC statistics */
467 data += efx->type->update_stats(efx, data, NULL);
468
469 /* Get software statistics */
470 for (i = 0; i < EFX_ETHTOOL_SW_STAT_COUNT; i++) {
471 stat = &efx_sw_stat_desc[i];
472 switch (stat->source) {
473 case EFX_ETHTOOL_STAT_SOURCE_nic:
474 data[i] = stat->get_stat((void *)efx + stat->offset);
475 break;
476 case EFX_ETHTOOL_STAT_SOURCE_channel:
477 data[i] = 0;
478 efx_for_each_channel(channel, efx)
479 data[i] += stat->get_stat((void *)channel +
480 stat->offset);
481 break;
482 case EFX_ETHTOOL_STAT_SOURCE_tx_queue:
483 data[i] = 0;
484 efx_for_each_channel(channel, efx) {
485 efx_for_each_channel_tx_queue(tx_queue, channel)
486 data[i] +=
487 stat->get_stat((void *)tx_queue
488 + stat->offset);
489 }
490 break;
491 }
492 }
493 data += EFX_ETHTOOL_SW_STAT_COUNT;
494
495 spin_unlock_bh(&efx->stats_lock);
496
497 efx_for_each_channel(channel, efx) {
498 if (efx_channel_has_tx_queues(channel)) {
499 *data = 0;
500 efx_for_each_channel_tx_queue(tx_queue, channel) {
501 *data += tx_queue->tx_packets;
502 }
503 data++;
504 }
505 }
506 efx_for_each_channel(channel, efx) {
507 if (efx_channel_has_rx_queue(channel)) {
508 *data = 0;
509 efx_for_each_channel_rx_queue(rx_queue, channel) {
510 *data += rx_queue->rx_packets;
511 }
512 data++;
513 }
514 }
515
516 efx_ptp_update_stats(efx, data);
517 }
518
519 static void efx_ethtool_self_test(struct net_device *net_dev,
520 struct ethtool_test *test, u64 *data)
521 {
522 struct efx_nic *efx = netdev_priv(net_dev);
523 struct efx_self_tests *efx_tests;
524 bool already_up;
525 int rc = -ENOMEM;
526
527 efx_tests = kzalloc(sizeof(*efx_tests), GFP_KERNEL);
528 if (!efx_tests)
529 goto fail;
530
531 if (efx->state != STATE_READY) {
532 rc = -EBUSY;
533 goto out;
534 }
535
536 netif_info(efx, drv, efx->net_dev, "starting %sline testing\n",
537 (test->flags & ETH_TEST_FL_OFFLINE) ? "off" : "on");
538
539 /* We need rx buffers and interrupts. */
540 already_up = (efx->net_dev->flags & IFF_UP);
541 if (!already_up) {
542 rc = dev_open(efx->net_dev);
543 if (rc) {
544 netif_err(efx, drv, efx->net_dev,
545 "failed opening device.\n");
546 goto out;
547 }
548 }
549
550 rc = efx_selftest(efx, efx_tests, test->flags);
551
552 if (!already_up)
553 dev_close(efx->net_dev);
554
555 netif_info(efx, drv, efx->net_dev, "%s %sline self-tests\n",
556 rc == 0 ? "passed" : "failed",
557 (test->flags & ETH_TEST_FL_OFFLINE) ? "off" : "on");
558
559 out:
560 efx_ethtool_fill_self_tests(efx, efx_tests, NULL, data);
561 kfree(efx_tests);
562 fail:
563 if (rc)
564 test->flags |= ETH_TEST_FL_FAILED;
565 }
566
567 /* Restart autonegotiation */
568 static int efx_ethtool_nway_reset(struct net_device *net_dev)
569 {
570 struct efx_nic *efx = netdev_priv(net_dev);
571
572 return mdio45_nway_restart(&efx->mdio);
573 }
574
575 /*
576 * Each channel has a single IRQ and moderation timer, started by any
577 * completion (or other event). Unless the module parameter
578 * separate_tx_channels is set, IRQs and moderation are therefore
579 * shared between RX and TX completions. In this case, when RX IRQ
580 * moderation is explicitly changed then TX IRQ moderation is
581 * automatically changed too, but otherwise we fail if the two values
582 * are requested to be different.
583 *
584 * The hardware does not support a limit on the number of completions
585 * before an IRQ, so we do not use the max_frames fields. We should
586 * report and require that max_frames == (usecs != 0), but this would
587 * invalidate existing user documentation.
588 *
589 * The hardware does not have distinct settings for interrupt
590 * moderation while the previous IRQ is being handled, so we should
591 * not use the 'irq' fields. However, an earlier developer
592 * misunderstood the meaning of the 'irq' fields and the driver did
593 * not support the standard fields. To avoid invalidating existing
594 * user documentation, we report and accept changes through either the
595 * standard or 'irq' fields. If both are changed at the same time, we
596 * prefer the standard field.
597 *
598 * We implement adaptive IRQ moderation, but use a different algorithm
599 * from that assumed in the definition of struct ethtool_coalesce.
600 * Therefore we do not use any of the adaptive moderation parameters
601 * in it.
602 */
603
604 static int efx_ethtool_get_coalesce(struct net_device *net_dev,
605 struct ethtool_coalesce *coalesce)
606 {
607 struct efx_nic *efx = netdev_priv(net_dev);
608 unsigned int tx_usecs, rx_usecs;
609 bool rx_adaptive;
610
611 efx_get_irq_moderation(efx, &tx_usecs, &rx_usecs, &rx_adaptive);
612
613 coalesce->tx_coalesce_usecs = tx_usecs;
614 coalesce->tx_coalesce_usecs_irq = tx_usecs;
615 coalesce->rx_coalesce_usecs = rx_usecs;
616 coalesce->rx_coalesce_usecs_irq = rx_usecs;
617 coalesce->use_adaptive_rx_coalesce = rx_adaptive;
618
619 return 0;
620 }
621
622 static int efx_ethtool_set_coalesce(struct net_device *net_dev,
623 struct ethtool_coalesce *coalesce)
624 {
625 struct efx_nic *efx = netdev_priv(net_dev);
626 struct efx_channel *channel;
627 unsigned int tx_usecs, rx_usecs;
628 bool adaptive, rx_may_override_tx;
629 int rc;
630
631 if (coalesce->use_adaptive_tx_coalesce)
632 return -EINVAL;
633
634 efx_get_irq_moderation(efx, &tx_usecs, &rx_usecs, &adaptive);
635
636 if (coalesce->rx_coalesce_usecs != rx_usecs)
637 rx_usecs = coalesce->rx_coalesce_usecs;
638 else
639 rx_usecs = coalesce->rx_coalesce_usecs_irq;
640
641 adaptive = coalesce->use_adaptive_rx_coalesce;
642
643 /* If channels are shared, TX IRQ moderation can be quietly
644 * overridden unless it is changed from its old value.
645 */
646 rx_may_override_tx = (coalesce->tx_coalesce_usecs == tx_usecs &&
647 coalesce->tx_coalesce_usecs_irq == tx_usecs);
648 if (coalesce->tx_coalesce_usecs != tx_usecs)
649 tx_usecs = coalesce->tx_coalesce_usecs;
650 else
651 tx_usecs = coalesce->tx_coalesce_usecs_irq;
652
653 rc = efx_init_irq_moderation(efx, tx_usecs, rx_usecs, adaptive,
654 rx_may_override_tx);
655 if (rc != 0)
656 return rc;
657
658 efx_for_each_channel(channel, efx)
659 efx->type->push_irq_moderation(channel);
660
661 return 0;
662 }
663
664 static void efx_ethtool_get_ringparam(struct net_device *net_dev,
665 struct ethtool_ringparam *ring)
666 {
667 struct efx_nic *efx = netdev_priv(net_dev);
668
669 ring->rx_max_pending = EFX_MAX_DMAQ_SIZE;
670 ring->tx_max_pending = EFX_TXQ_MAX_ENT(efx);
671 ring->rx_pending = efx->rxq_entries;
672 ring->tx_pending = efx->txq_entries;
673 }
674
675 static int efx_ethtool_set_ringparam(struct net_device *net_dev,
676 struct ethtool_ringparam *ring)
677 {
678 struct efx_nic *efx = netdev_priv(net_dev);
679 u32 txq_entries;
680
681 if (ring->rx_mini_pending || ring->rx_jumbo_pending ||
682 ring->rx_pending > EFX_MAX_DMAQ_SIZE ||
683 ring->tx_pending > EFX_TXQ_MAX_ENT(efx))
684 return -EINVAL;
685
686 if (ring->rx_pending < EFX_RXQ_MIN_ENT) {
687 netif_err(efx, drv, efx->net_dev,
688 "RX queues cannot be smaller than %u\n",
689 EFX_RXQ_MIN_ENT);
690 return -EINVAL;
691 }
692
693 txq_entries = max(ring->tx_pending, EFX_TXQ_MIN_ENT(efx));
694 if (txq_entries != ring->tx_pending)
695 netif_warn(efx, drv, efx->net_dev,
696 "increasing TX queue size to minimum of %u\n",
697 txq_entries);
698
699 return efx_realloc_channels(efx, ring->rx_pending, txq_entries);
700 }
701
702 static int efx_ethtool_set_pauseparam(struct net_device *net_dev,
703 struct ethtool_pauseparam *pause)
704 {
705 struct efx_nic *efx = netdev_priv(net_dev);
706 u8 wanted_fc, old_fc;
707 u32 old_adv;
708 int rc = 0;
709
710 mutex_lock(&efx->mac_lock);
711
712 wanted_fc = ((pause->rx_pause ? EFX_FC_RX : 0) |
713 (pause->tx_pause ? EFX_FC_TX : 0) |
714 (pause->autoneg ? EFX_FC_AUTO : 0));
715
716 if ((wanted_fc & EFX_FC_TX) && !(wanted_fc & EFX_FC_RX)) {
717 netif_dbg(efx, drv, efx->net_dev,
718 "Flow control unsupported: tx ON rx OFF\n");
719 rc = -EINVAL;
720 goto out;
721 }
722
723 if ((wanted_fc & EFX_FC_AUTO) && !efx->link_advertising[0]) {
724 netif_dbg(efx, drv, efx->net_dev,
725 "Autonegotiation is disabled\n");
726 rc = -EINVAL;
727 goto out;
728 }
729
730 /* Hook for Falcon bug 11482 workaround */
731 if (efx->type->prepare_enable_fc_tx &&
732 (wanted_fc & EFX_FC_TX) && !(efx->wanted_fc & EFX_FC_TX))
733 efx->type->prepare_enable_fc_tx(efx);
734
735 old_adv = efx->link_advertising[0];
736 old_fc = efx->wanted_fc;
737 efx_link_set_wanted_fc(efx, wanted_fc);
738 if (efx->link_advertising[0] != old_adv ||
739 (efx->wanted_fc ^ old_fc) & EFX_FC_AUTO) {
740 rc = efx->phy_op->reconfigure(efx);
741 if (rc) {
742 netif_err(efx, drv, efx->net_dev,
743 "Unable to advertise requested flow "
744 "control setting\n");
745 goto out;
746 }
747 }
748
749 /* Reconfigure the MAC. The PHY *may* generate a link state change event
750 * if the user just changed the advertised capabilities, but there's no
751 * harm doing this twice */
752 efx_mac_reconfigure(efx);
753
754 out:
755 mutex_unlock(&efx->mac_lock);
756
757 return rc;
758 }
759
760 static void efx_ethtool_get_pauseparam(struct net_device *net_dev,
761 struct ethtool_pauseparam *pause)
762 {
763 struct efx_nic *efx = netdev_priv(net_dev);
764
765 pause->rx_pause = !!(efx->wanted_fc & EFX_FC_RX);
766 pause->tx_pause = !!(efx->wanted_fc & EFX_FC_TX);
767 pause->autoneg = !!(efx->wanted_fc & EFX_FC_AUTO);
768 }
769
770 static void efx_ethtool_get_wol(struct net_device *net_dev,
771 struct ethtool_wolinfo *wol)
772 {
773 struct efx_nic *efx = netdev_priv(net_dev);
774 return efx->type->get_wol(efx, wol);
775 }
776
777
778 static int efx_ethtool_set_wol(struct net_device *net_dev,
779 struct ethtool_wolinfo *wol)
780 {
781 struct efx_nic *efx = netdev_priv(net_dev);
782 return efx->type->set_wol(efx, wol->wolopts);
783 }
784
785 static int efx_ethtool_reset(struct net_device *net_dev, u32 *flags)
786 {
787 struct efx_nic *efx = netdev_priv(net_dev);
788 int rc;
789
790 rc = efx->type->map_reset_flags(flags);
791 if (rc < 0)
792 return rc;
793
794 return efx_reset(efx, rc);
795 }
796
797 /* MAC address mask including only I/G bit */
798 static const u8 mac_addr_ig_mask[ETH_ALEN] __aligned(2) = {0x01, 0, 0, 0, 0, 0};
799
800 #define IP4_ADDR_FULL_MASK ((__force __be32)~0)
801 #define IP_PROTO_FULL_MASK 0xFF
802 #define PORT_FULL_MASK ((__force __be16)~0)
803 #define ETHER_TYPE_FULL_MASK ((__force __be16)~0)
804
805 static inline void ip6_fill_mask(__be32 *mask)
806 {
807 mask[0] = mask[1] = mask[2] = mask[3] = ~(__be32)0;
808 }
809
810 static int efx_ethtool_get_class_rule(struct efx_nic *efx,
811 struct ethtool_rx_flow_spec *rule,
812 u32 *rss_context)
813 {
814 struct ethtool_tcpip4_spec *ip_entry = &rule->h_u.tcp_ip4_spec;
815 struct ethtool_tcpip4_spec *ip_mask = &rule->m_u.tcp_ip4_spec;
816 struct ethtool_usrip4_spec *uip_entry = &rule->h_u.usr_ip4_spec;
817 struct ethtool_usrip4_spec *uip_mask = &rule->m_u.usr_ip4_spec;
818 struct ethtool_tcpip6_spec *ip6_entry = &rule->h_u.tcp_ip6_spec;
819 struct ethtool_tcpip6_spec *ip6_mask = &rule->m_u.tcp_ip6_spec;
820 struct ethtool_usrip6_spec *uip6_entry = &rule->h_u.usr_ip6_spec;
821 struct ethtool_usrip6_spec *uip6_mask = &rule->m_u.usr_ip6_spec;
822 struct ethhdr *mac_entry = &rule->h_u.ether_spec;
823 struct ethhdr *mac_mask = &rule->m_u.ether_spec;
824 struct efx_filter_spec spec;
825 int rc;
826
827 rc = efx_filter_get_filter_safe(efx, EFX_FILTER_PRI_MANUAL,
828 rule->location, &spec);
829 if (rc)
830 return rc;
831
832 if (spec.dmaq_id == EFX_FILTER_RX_DMAQ_ID_DROP)
833 rule->ring_cookie = RX_CLS_FLOW_DISC;
834 else
835 rule->ring_cookie = spec.dmaq_id;
836
837 if ((spec.match_flags & EFX_FILTER_MATCH_ETHER_TYPE) &&
838 spec.ether_type == htons(ETH_P_IP) &&
839 (spec.match_flags & EFX_FILTER_MATCH_IP_PROTO) &&
840 (spec.ip_proto == IPPROTO_TCP || spec.ip_proto == IPPROTO_UDP) &&
841 !(spec.match_flags &
842 ~(EFX_FILTER_MATCH_ETHER_TYPE | EFX_FILTER_MATCH_OUTER_VID |
843 EFX_FILTER_MATCH_LOC_HOST | EFX_FILTER_MATCH_REM_HOST |
844 EFX_FILTER_MATCH_IP_PROTO |
845 EFX_FILTER_MATCH_LOC_PORT | EFX_FILTER_MATCH_REM_PORT))) {
846 rule->flow_type = ((spec.ip_proto == IPPROTO_TCP) ?
847 TCP_V4_FLOW : UDP_V4_FLOW);
848 if (spec.match_flags & EFX_FILTER_MATCH_LOC_HOST) {
849 ip_entry->ip4dst = spec.loc_host[0];
850 ip_mask->ip4dst = IP4_ADDR_FULL_MASK;
851 }
852 if (spec.match_flags & EFX_FILTER_MATCH_REM_HOST) {
853 ip_entry->ip4src = spec.rem_host[0];
854 ip_mask->ip4src = IP4_ADDR_FULL_MASK;
855 }
856 if (spec.match_flags & EFX_FILTER_MATCH_LOC_PORT) {
857 ip_entry->pdst = spec.loc_port;
858 ip_mask->pdst = PORT_FULL_MASK;
859 }
860 if (spec.match_flags & EFX_FILTER_MATCH_REM_PORT) {
861 ip_entry->psrc = spec.rem_port;
862 ip_mask->psrc = PORT_FULL_MASK;
863 }
864 } else if ((spec.match_flags & EFX_FILTER_MATCH_ETHER_TYPE) &&
865 spec.ether_type == htons(ETH_P_IPV6) &&
866 (spec.match_flags & EFX_FILTER_MATCH_IP_PROTO) &&
867 (spec.ip_proto == IPPROTO_TCP || spec.ip_proto == IPPROTO_UDP) &&
868 !(spec.match_flags &
869 ~(EFX_FILTER_MATCH_ETHER_TYPE | EFX_FILTER_MATCH_OUTER_VID |
870 EFX_FILTER_MATCH_LOC_HOST | EFX_FILTER_MATCH_REM_HOST |
871 EFX_FILTER_MATCH_IP_PROTO |
872 EFX_FILTER_MATCH_LOC_PORT | EFX_FILTER_MATCH_REM_PORT))) {
873 rule->flow_type = ((spec.ip_proto == IPPROTO_TCP) ?
874 TCP_V6_FLOW : UDP_V6_FLOW);
875 if (spec.match_flags & EFX_FILTER_MATCH_LOC_HOST) {
876 memcpy(ip6_entry->ip6dst, spec.loc_host,
877 sizeof(ip6_entry->ip6dst));
878 ip6_fill_mask(ip6_mask->ip6dst);
879 }
880 if (spec.match_flags & EFX_FILTER_MATCH_REM_HOST) {
881 memcpy(ip6_entry->ip6src, spec.rem_host,
882 sizeof(ip6_entry->ip6src));
883 ip6_fill_mask(ip6_mask->ip6src);
884 }
885 if (spec.match_flags & EFX_FILTER_MATCH_LOC_PORT) {
886 ip6_entry->pdst = spec.loc_port;
887 ip6_mask->pdst = PORT_FULL_MASK;
888 }
889 if (spec.match_flags & EFX_FILTER_MATCH_REM_PORT) {
890 ip6_entry->psrc = spec.rem_port;
891 ip6_mask->psrc = PORT_FULL_MASK;
892 }
893 } else if (!(spec.match_flags &
894 ~(EFX_FILTER_MATCH_LOC_MAC | EFX_FILTER_MATCH_LOC_MAC_IG |
895 EFX_FILTER_MATCH_REM_MAC | EFX_FILTER_MATCH_ETHER_TYPE |
896 EFX_FILTER_MATCH_OUTER_VID))) {
897 rule->flow_type = ETHER_FLOW;
898 if (spec.match_flags &
899 (EFX_FILTER_MATCH_LOC_MAC | EFX_FILTER_MATCH_LOC_MAC_IG)) {
900 ether_addr_copy(mac_entry->h_dest, spec.loc_mac);
901 if (spec.match_flags & EFX_FILTER_MATCH_LOC_MAC)
902 eth_broadcast_addr(mac_mask->h_dest);
903 else
904 ether_addr_copy(mac_mask->h_dest,
905 mac_addr_ig_mask);
906 }
907 if (spec.match_flags & EFX_FILTER_MATCH_REM_MAC) {
908 ether_addr_copy(mac_entry->h_source, spec.rem_mac);
909 eth_broadcast_addr(mac_mask->h_source);
910 }
911 if (spec.match_flags & EFX_FILTER_MATCH_ETHER_TYPE) {
912 mac_entry->h_proto = spec.ether_type;
913 mac_mask->h_proto = ETHER_TYPE_FULL_MASK;
914 }
915 } else if (spec.match_flags & EFX_FILTER_MATCH_ETHER_TYPE &&
916 spec.ether_type == htons(ETH_P_IP) &&
917 !(spec.match_flags &
918 ~(EFX_FILTER_MATCH_ETHER_TYPE | EFX_FILTER_MATCH_OUTER_VID |
919 EFX_FILTER_MATCH_LOC_HOST | EFX_FILTER_MATCH_REM_HOST |
920 EFX_FILTER_MATCH_IP_PROTO))) {
921 rule->flow_type = IPV4_USER_FLOW;
922 uip_entry->ip_ver = ETH_RX_NFC_IP4;
923 if (spec.match_flags & EFX_FILTER_MATCH_IP_PROTO) {
924 uip_mask->proto = IP_PROTO_FULL_MASK;
925 uip_entry->proto = spec.ip_proto;
926 }
927 if (spec.match_flags & EFX_FILTER_MATCH_LOC_HOST) {
928 uip_entry->ip4dst = spec.loc_host[0];
929 uip_mask->ip4dst = IP4_ADDR_FULL_MASK;
930 }
931 if (spec.match_flags & EFX_FILTER_MATCH_REM_HOST) {
932 uip_entry->ip4src = spec.rem_host[0];
933 uip_mask->ip4src = IP4_ADDR_FULL_MASK;
934 }
935 } else if (spec.match_flags & EFX_FILTER_MATCH_ETHER_TYPE &&
936 spec.ether_type == htons(ETH_P_IPV6) &&
937 !(spec.match_flags &
938 ~(EFX_FILTER_MATCH_ETHER_TYPE | EFX_FILTER_MATCH_OUTER_VID |
939 EFX_FILTER_MATCH_LOC_HOST | EFX_FILTER_MATCH_REM_HOST |
940 EFX_FILTER_MATCH_IP_PROTO))) {
941 rule->flow_type = IPV6_USER_FLOW;
942 if (spec.match_flags & EFX_FILTER_MATCH_IP_PROTO) {
943 uip6_mask->l4_proto = IP_PROTO_FULL_MASK;
944 uip6_entry->l4_proto = spec.ip_proto;
945 }
946 if (spec.match_flags & EFX_FILTER_MATCH_LOC_HOST) {
947 memcpy(uip6_entry->ip6dst, spec.loc_host,
948 sizeof(uip6_entry->ip6dst));
949 ip6_fill_mask(uip6_mask->ip6dst);
950 }
951 if (spec.match_flags & EFX_FILTER_MATCH_REM_HOST) {
952 memcpy(uip6_entry->ip6src, spec.rem_host,
953 sizeof(uip6_entry->ip6src));
954 ip6_fill_mask(uip6_mask->ip6src);
955 }
956 } else {
957 /* The above should handle all filters that we insert */
958 WARN_ON(1);
959 return -EINVAL;
960 }
961
962 if (spec.match_flags & EFX_FILTER_MATCH_OUTER_VID) {
963 rule->flow_type |= FLOW_EXT;
964 rule->h_ext.vlan_tci = spec.outer_vid;
965 rule->m_ext.vlan_tci = htons(0xfff);
966 }
967
968 if (spec.flags & EFX_FILTER_FLAG_RX_RSS) {
969 rule->flow_type |= FLOW_RSS;
970 *rss_context = spec.rss_context;
971 }
972
973 return rc;
974 }
975
976 static int
977 efx_ethtool_get_rxnfc(struct net_device *net_dev,
978 struct ethtool_rxnfc *info, u32 *rule_locs)
979 {
980 struct efx_nic *efx = netdev_priv(net_dev);
981 u32 rss_context = 0;
982 s32 rc = 0;
983
984 switch (info->cmd) {
985 case ETHTOOL_GRXRINGS:
986 info->data = efx->n_rx_channels;
987 return 0;
988
989 case ETHTOOL_GRXFH: {
990 struct efx_rss_context *ctx = &efx->rss_context;
991
992 mutex_lock(&efx->rss_lock);
993 if (info->flow_type & FLOW_RSS && info->rss_context) {
994 ctx = efx_find_rss_context_entry(efx, info->rss_context);
995 if (!ctx) {
996 rc = -ENOENT;
997 goto out_unlock;
998 }
999 }
1000 info->data = 0;
1001 if (!efx_rss_active(ctx)) /* No RSS */
1002 goto out_unlock;
1003 switch (info->flow_type & ~FLOW_RSS) {
1004 case UDP_V4_FLOW:
1005 if (ctx->rx_hash_udp_4tuple)
1006 /* fall through */
1007 case TCP_V4_FLOW:
1008 info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1009 /* fall through */
1010 case SCTP_V4_FLOW:
1011 case AH_ESP_V4_FLOW:
1012 case IPV4_FLOW:
1013 info->data |= RXH_IP_SRC | RXH_IP_DST;
1014 break;
1015 case UDP_V6_FLOW:
1016 if (ctx->rx_hash_udp_4tuple)
1017 /* fall through */
1018 case TCP_V6_FLOW:
1019 info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1020 /* fall through */
1021 case SCTP_V6_FLOW:
1022 case AH_ESP_V6_FLOW:
1023 case IPV6_FLOW:
1024 info->data |= RXH_IP_SRC | RXH_IP_DST;
1025 break;
1026 default:
1027 break;
1028 }
1029 out_unlock:
1030 mutex_unlock(&efx->rss_lock);
1031 return rc;
1032 }
1033
1034 case ETHTOOL_GRXCLSRLCNT:
1035 info->data = efx_filter_get_rx_id_limit(efx);
1036 if (info->data == 0)
1037 return -EOPNOTSUPP;
1038 info->data |= RX_CLS_LOC_SPECIAL;
1039 info->rule_cnt =
1040 efx_filter_count_rx_used(efx, EFX_FILTER_PRI_MANUAL);
1041 return 0;
1042
1043 case ETHTOOL_GRXCLSRULE:
1044 if (efx_filter_get_rx_id_limit(efx) == 0)
1045 return -EOPNOTSUPP;
1046 rc = efx_ethtool_get_class_rule(efx, &info->fs, &rss_context);
1047 if (rc < 0)
1048 return rc;
1049 if (info->fs.flow_type & FLOW_RSS)
1050 info->rss_context = rss_context;
1051 return 0;
1052
1053 case ETHTOOL_GRXCLSRLALL:
1054 info->data = efx_filter_get_rx_id_limit(efx);
1055 if (info->data == 0)
1056 return -EOPNOTSUPP;
1057 rc = efx_filter_get_rx_ids(efx, EFX_FILTER_PRI_MANUAL,
1058 rule_locs, info->rule_cnt);
1059 if (rc < 0)
1060 return rc;
1061 info->rule_cnt = rc;
1062 return 0;
1063
1064 default:
1065 return -EOPNOTSUPP;
1066 }
1067 }
1068
1069 static inline bool ip6_mask_is_full(__be32 mask[4])
1070 {
1071 return !~(mask[0] & mask[1] & mask[2] & mask[3]);
1072 }
1073
1074 static inline bool ip6_mask_is_empty(__be32 mask[4])
1075 {
1076 return !(mask[0] | mask[1] | mask[2] | mask[3]);
1077 }
1078
1079 static int efx_ethtool_set_class_rule(struct efx_nic *efx,
1080 struct ethtool_rx_flow_spec *rule,
1081 u32 rss_context)
1082 {
1083 struct ethtool_tcpip4_spec *ip_entry = &rule->h_u.tcp_ip4_spec;
1084 struct ethtool_tcpip4_spec *ip_mask = &rule->m_u.tcp_ip4_spec;
1085 struct ethtool_usrip4_spec *uip_entry = &rule->h_u.usr_ip4_spec;
1086 struct ethtool_usrip4_spec *uip_mask = &rule->m_u.usr_ip4_spec;
1087 struct ethtool_tcpip6_spec *ip6_entry = &rule->h_u.tcp_ip6_spec;
1088 struct ethtool_tcpip6_spec *ip6_mask = &rule->m_u.tcp_ip6_spec;
1089 struct ethtool_usrip6_spec *uip6_entry = &rule->h_u.usr_ip6_spec;
1090 struct ethtool_usrip6_spec *uip6_mask = &rule->m_u.usr_ip6_spec;
1091 u32 flow_type = rule->flow_type & ~(FLOW_EXT | FLOW_RSS);
1092 struct ethhdr *mac_entry = &rule->h_u.ether_spec;
1093 struct ethhdr *mac_mask = &rule->m_u.ether_spec;
1094 enum efx_filter_flags flags = 0;
1095 struct efx_filter_spec spec;
1096 int rc;
1097
1098 /* Check that user wants us to choose the location */
1099 if (rule->location != RX_CLS_LOC_ANY)
1100 return -EINVAL;
1101
1102 /* Range-check ring_cookie */
1103 if (rule->ring_cookie >= efx->n_rx_channels &&
1104 rule->ring_cookie != RX_CLS_FLOW_DISC)
1105 return -EINVAL;
1106
1107 /* Check for unsupported extensions */
1108 if ((rule->flow_type & FLOW_EXT) &&
1109 (rule->m_ext.vlan_etype || rule->m_ext.data[0] ||
1110 rule->m_ext.data[1]))
1111 return -EINVAL;
1112
1113 if (efx->rx_scatter)
1114 flags |= EFX_FILTER_FLAG_RX_SCATTER;
1115 if (rule->flow_type & FLOW_RSS)
1116 flags |= EFX_FILTER_FLAG_RX_RSS;
1117
1118 efx_filter_init_rx(&spec, EFX_FILTER_PRI_MANUAL, flags,
1119 (rule->ring_cookie == RX_CLS_FLOW_DISC) ?
1120 EFX_FILTER_RX_DMAQ_ID_DROP : rule->ring_cookie);
1121
1122 if (rule->flow_type & FLOW_RSS)
1123 spec.rss_context = rss_context;
1124
1125 switch (flow_type) {
1126 case TCP_V4_FLOW:
1127 case UDP_V4_FLOW:
1128 spec.match_flags = (EFX_FILTER_MATCH_ETHER_TYPE |
1129 EFX_FILTER_MATCH_IP_PROTO);
1130 spec.ether_type = htons(ETH_P_IP);
1131 spec.ip_proto = flow_type == TCP_V4_FLOW ? IPPROTO_TCP
1132 : IPPROTO_UDP;
1133 if (ip_mask->ip4dst) {
1134 if (ip_mask->ip4dst != IP4_ADDR_FULL_MASK)
1135 return -EINVAL;
1136 spec.match_flags |= EFX_FILTER_MATCH_LOC_HOST;
1137 spec.loc_host[0] = ip_entry->ip4dst;
1138 }
1139 if (ip_mask->ip4src) {
1140 if (ip_mask->ip4src != IP4_ADDR_FULL_MASK)
1141 return -EINVAL;
1142 spec.match_flags |= EFX_FILTER_MATCH_REM_HOST;
1143 spec.rem_host[0] = ip_entry->ip4src;
1144 }
1145 if (ip_mask->pdst) {
1146 if (ip_mask->pdst != PORT_FULL_MASK)
1147 return -EINVAL;
1148 spec.match_flags |= EFX_FILTER_MATCH_LOC_PORT;
1149 spec.loc_port = ip_entry->pdst;
1150 }
1151 if (ip_mask->psrc) {
1152 if (ip_mask->psrc != PORT_FULL_MASK)
1153 return -EINVAL;
1154 spec.match_flags |= EFX_FILTER_MATCH_REM_PORT;
1155 spec.rem_port = ip_entry->psrc;
1156 }
1157 if (ip_mask->tos)
1158 return -EINVAL;
1159 break;
1160
1161 case TCP_V6_FLOW:
1162 case UDP_V6_FLOW:
1163 spec.match_flags = (EFX_FILTER_MATCH_ETHER_TYPE |
1164 EFX_FILTER_MATCH_IP_PROTO);
1165 spec.ether_type = htons(ETH_P_IPV6);
1166 spec.ip_proto = flow_type == TCP_V6_FLOW ? IPPROTO_TCP
1167 : IPPROTO_UDP;
1168 if (!ip6_mask_is_empty(ip6_mask->ip6dst)) {
1169 if (!ip6_mask_is_full(ip6_mask->ip6dst))
1170 return -EINVAL;
1171 spec.match_flags |= EFX_FILTER_MATCH_LOC_HOST;
1172 memcpy(spec.loc_host, ip6_entry->ip6dst, sizeof(spec.loc_host));
1173 }
1174 if (!ip6_mask_is_empty(ip6_mask->ip6src)) {
1175 if (!ip6_mask_is_full(ip6_mask->ip6src))
1176 return -EINVAL;
1177 spec.match_flags |= EFX_FILTER_MATCH_REM_HOST;
1178 memcpy(spec.rem_host, ip6_entry->ip6src, sizeof(spec.rem_host));
1179 }
1180 if (ip6_mask->pdst) {
1181 if (ip6_mask->pdst != PORT_FULL_MASK)
1182 return -EINVAL;
1183 spec.match_flags |= EFX_FILTER_MATCH_LOC_PORT;
1184 spec.loc_port = ip6_entry->pdst;
1185 }
1186 if (ip6_mask->psrc) {
1187 if (ip6_mask->psrc != PORT_FULL_MASK)
1188 return -EINVAL;
1189 spec.match_flags |= EFX_FILTER_MATCH_REM_PORT;
1190 spec.rem_port = ip6_entry->psrc;
1191 }
1192 if (ip6_mask->tclass)
1193 return -EINVAL;
1194 break;
1195
1196 case IPV4_USER_FLOW:
1197 if (uip_mask->l4_4_bytes || uip_mask->tos || uip_mask->ip_ver ||
1198 uip_entry->ip_ver != ETH_RX_NFC_IP4)
1199 return -EINVAL;
1200 spec.match_flags = EFX_FILTER_MATCH_ETHER_TYPE;
1201 spec.ether_type = htons(ETH_P_IP);
1202 if (uip_mask->ip4dst) {
1203 if (uip_mask->ip4dst != IP4_ADDR_FULL_MASK)
1204 return -EINVAL;
1205 spec.match_flags |= EFX_FILTER_MATCH_LOC_HOST;
1206 spec.loc_host[0] = uip_entry->ip4dst;
1207 }
1208 if (uip_mask->ip4src) {
1209 if (uip_mask->ip4src != IP4_ADDR_FULL_MASK)
1210 return -EINVAL;
1211 spec.match_flags |= EFX_FILTER_MATCH_REM_HOST;
1212 spec.rem_host[0] = uip_entry->ip4src;
1213 }
1214 if (uip_mask->proto) {
1215 if (uip_mask->proto != IP_PROTO_FULL_MASK)
1216 return -EINVAL;
1217 spec.match_flags |= EFX_FILTER_MATCH_IP_PROTO;
1218 spec.ip_proto = uip_entry->proto;
1219 }
1220 break;
1221
1222 case IPV6_USER_FLOW:
1223 if (uip6_mask->l4_4_bytes || uip6_mask->tclass)
1224 return -EINVAL;
1225 spec.match_flags = EFX_FILTER_MATCH_ETHER_TYPE;
1226 spec.ether_type = htons(ETH_P_IPV6);
1227 if (!ip6_mask_is_empty(uip6_mask->ip6dst)) {
1228 if (!ip6_mask_is_full(uip6_mask->ip6dst))
1229 return -EINVAL;
1230 spec.match_flags |= EFX_FILTER_MATCH_LOC_HOST;
1231 memcpy(spec.loc_host, uip6_entry->ip6dst, sizeof(spec.loc_host));
1232 }
1233 if (!ip6_mask_is_empty(uip6_mask->ip6src)) {
1234 if (!ip6_mask_is_full(uip6_mask->ip6src))
1235 return -EINVAL;
1236 spec.match_flags |= EFX_FILTER_MATCH_REM_HOST;
1237 memcpy(spec.rem_host, uip6_entry->ip6src, sizeof(spec.rem_host));
1238 }
1239 if (uip6_mask->l4_proto) {
1240 if (uip6_mask->l4_proto != IP_PROTO_FULL_MASK)
1241 return -EINVAL;
1242 spec.match_flags |= EFX_FILTER_MATCH_IP_PROTO;
1243 spec.ip_proto = uip6_entry->l4_proto;
1244 }
1245 break;
1246
1247 case ETHER_FLOW:
1248 if (!is_zero_ether_addr(mac_mask->h_dest)) {
1249 if (ether_addr_equal(mac_mask->h_dest,
1250 mac_addr_ig_mask))
1251 spec.match_flags |= EFX_FILTER_MATCH_LOC_MAC_IG;
1252 else if (is_broadcast_ether_addr(mac_mask->h_dest))
1253 spec.match_flags |= EFX_FILTER_MATCH_LOC_MAC;
1254 else
1255 return -EINVAL;
1256 ether_addr_copy(spec.loc_mac, mac_entry->h_dest);
1257 }
1258 if (!is_zero_ether_addr(mac_mask->h_source)) {
1259 if (!is_broadcast_ether_addr(mac_mask->h_source))
1260 return -EINVAL;
1261 spec.match_flags |= EFX_FILTER_MATCH_REM_MAC;
1262 ether_addr_copy(spec.rem_mac, mac_entry->h_source);
1263 }
1264 if (mac_mask->h_proto) {
1265 if (mac_mask->h_proto != ETHER_TYPE_FULL_MASK)
1266 return -EINVAL;
1267 spec.match_flags |= EFX_FILTER_MATCH_ETHER_TYPE;
1268 spec.ether_type = mac_entry->h_proto;
1269 }
1270 break;
1271
1272 default:
1273 return -EINVAL;
1274 }
1275
1276 if ((rule->flow_type & FLOW_EXT) && rule->m_ext.vlan_tci) {
1277 if (rule->m_ext.vlan_tci != htons(0xfff))
1278 return -EINVAL;
1279 spec.match_flags |= EFX_FILTER_MATCH_OUTER_VID;
1280 spec.outer_vid = rule->h_ext.vlan_tci;
1281 }
1282
1283 rc = efx_filter_insert_filter(efx, &spec, true);
1284 if (rc < 0)
1285 return rc;
1286
1287 rule->location = rc;
1288 return 0;
1289 }
1290
1291 static int efx_ethtool_set_rxnfc(struct net_device *net_dev,
1292 struct ethtool_rxnfc *info)
1293 {
1294 struct efx_nic *efx = netdev_priv(net_dev);
1295
1296 if (efx_filter_get_rx_id_limit(efx) == 0)
1297 return -EOPNOTSUPP;
1298
1299 switch (info->cmd) {
1300 case ETHTOOL_SRXCLSRLINS:
1301 return efx_ethtool_set_class_rule(efx, &info->fs,
1302 info->rss_context);
1303
1304 case ETHTOOL_SRXCLSRLDEL:
1305 return efx_filter_remove_id_safe(efx, EFX_FILTER_PRI_MANUAL,
1306 info->fs.location);
1307
1308 default:
1309 return -EOPNOTSUPP;
1310 }
1311 }
1312
1313 static u32 efx_ethtool_get_rxfh_indir_size(struct net_device *net_dev)
1314 {
1315 struct efx_nic *efx = netdev_priv(net_dev);
1316
1317 if (efx->n_rx_channels == 1)
1318 return 0;
1319 return ARRAY_SIZE(efx->rss_context.rx_indir_table);
1320 }
1321
1322 static u32 efx_ethtool_get_rxfh_key_size(struct net_device *net_dev)
1323 {
1324 struct efx_nic *efx = netdev_priv(net_dev);
1325
1326 return efx->type->rx_hash_key_size;
1327 }
1328
1329 static int efx_ethtool_get_rxfh(struct net_device *net_dev, u32 *indir, u8 *key,
1330 u8 *hfunc)
1331 {
1332 struct efx_nic *efx = netdev_priv(net_dev);
1333 int rc;
1334
1335 rc = efx->type->rx_pull_rss_config(efx);
1336 if (rc)
1337 return rc;
1338
1339 if (hfunc)
1340 *hfunc = ETH_RSS_HASH_TOP;
1341 if (indir)
1342 memcpy(indir, efx->rss_context.rx_indir_table,
1343 sizeof(efx->rss_context.rx_indir_table));
1344 if (key)
1345 memcpy(key, efx->rss_context.rx_hash_key,
1346 efx->type->rx_hash_key_size);
1347 return 0;
1348 }
1349
1350 static int efx_ethtool_set_rxfh(struct net_device *net_dev, const u32 *indir,
1351 const u8 *key, const u8 hfunc)
1352 {
1353 struct efx_nic *efx = netdev_priv(net_dev);
1354
1355 /* Hash function is Toeplitz, cannot be changed */
1356 if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
1357 return -EOPNOTSUPP;
1358 if (!indir && !key)
1359 return 0;
1360
1361 if (!key)
1362 key = efx->rss_context.rx_hash_key;
1363 if (!indir)
1364 indir = efx->rss_context.rx_indir_table;
1365
1366 return efx->type->rx_push_rss_config(efx, true, indir, key);
1367 }
1368
1369 static int efx_ethtool_get_rxfh_context(struct net_device *net_dev, u32 *indir,
1370 u8 *key, u8 *hfunc, u32 rss_context)
1371 {
1372 struct efx_nic *efx = netdev_priv(net_dev);
1373 struct efx_rss_context *ctx;
1374 int rc = 0;
1375
1376 if (!efx->type->rx_pull_rss_context_config)
1377 return -EOPNOTSUPP;
1378
1379 mutex_lock(&efx->rss_lock);
1380 ctx = efx_find_rss_context_entry(efx, rss_context);
1381 if (!ctx) {
1382 rc = -ENOENT;
1383 goto out_unlock;
1384 }
1385 rc = efx->type->rx_pull_rss_context_config(efx, ctx);
1386 if (rc)
1387 goto out_unlock;
1388
1389 if (hfunc)
1390 *hfunc = ETH_RSS_HASH_TOP;
1391 if (indir)
1392 memcpy(indir, ctx->rx_indir_table, sizeof(ctx->rx_indir_table));
1393 if (key)
1394 memcpy(key, ctx->rx_hash_key, efx->type->rx_hash_key_size);
1395 out_unlock:
1396 mutex_unlock(&efx->rss_lock);
1397 return rc;
1398 }
1399
1400 static int efx_ethtool_set_rxfh_context(struct net_device *net_dev,
1401 const u32 *indir, const u8 *key,
1402 const u8 hfunc, u32 *rss_context,
1403 bool delete)
1404 {
1405 struct efx_nic *efx = netdev_priv(net_dev);
1406 struct efx_rss_context *ctx;
1407 bool allocated = false;
1408 int rc;
1409
1410 if (!efx->type->rx_push_rss_context_config)
1411 return -EOPNOTSUPP;
1412 /* Hash function is Toeplitz, cannot be changed */
1413 if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
1414 return -EOPNOTSUPP;
1415
1416 mutex_lock(&efx->rss_lock);
1417
1418 if (*rss_context == ETH_RXFH_CONTEXT_ALLOC) {
1419 if (delete) {
1420 /* alloc + delete == Nothing to do */
1421 rc = -EINVAL;
1422 goto out_unlock;
1423 }
1424 ctx = efx_alloc_rss_context_entry(efx);
1425 if (!ctx) {
1426 rc = -ENOMEM;
1427 goto out_unlock;
1428 }
1429 ctx->context_id = EFX_EF10_RSS_CONTEXT_INVALID;
1430 /* Initialise indir table and key to defaults */
1431 efx_set_default_rx_indir_table(efx, ctx);
1432 netdev_rss_key_fill(ctx->rx_hash_key, sizeof(ctx->rx_hash_key));
1433 allocated = true;
1434 } else {
1435 ctx = efx_find_rss_context_entry(efx, *rss_context);
1436 if (!ctx) {
1437 rc = -ENOENT;
1438 goto out_unlock;
1439 }
1440 }
1441
1442 if (delete) {
1443 /* delete this context */
1444 rc = efx->type->rx_push_rss_context_config(efx, ctx, NULL, NULL);
1445 if (!rc)
1446 efx_free_rss_context_entry(ctx);
1447 goto out_unlock;
1448 }
1449
1450 if (!key)
1451 key = ctx->rx_hash_key;
1452 if (!indir)
1453 indir = ctx->rx_indir_table;
1454
1455 rc = efx->type->rx_push_rss_context_config(efx, ctx, indir, key);
1456 if (rc && allocated)
1457 efx_free_rss_context_entry(ctx);
1458 else
1459 *rss_context = ctx->user_id;
1460 out_unlock:
1461 mutex_unlock(&efx->rss_lock);
1462 return rc;
1463 }
1464
1465 static int efx_ethtool_get_ts_info(struct net_device *net_dev,
1466 struct ethtool_ts_info *ts_info)
1467 {
1468 struct efx_nic *efx = netdev_priv(net_dev);
1469
1470 /* Software capabilities */
1471 ts_info->so_timestamping = (SOF_TIMESTAMPING_RX_SOFTWARE |
1472 SOF_TIMESTAMPING_SOFTWARE);
1473 ts_info->phc_index = -1;
1474
1475 efx_ptp_get_ts_info(efx, ts_info);
1476 return 0;
1477 }
1478
1479 static int efx_ethtool_get_module_eeprom(struct net_device *net_dev,
1480 struct ethtool_eeprom *ee,
1481 u8 *data)
1482 {
1483 struct efx_nic *efx = netdev_priv(net_dev);
1484 int ret;
1485
1486 if (!efx->phy_op || !efx->phy_op->get_module_eeprom)
1487 return -EOPNOTSUPP;
1488
1489 mutex_lock(&efx->mac_lock);
1490 ret = efx->phy_op->get_module_eeprom(efx, ee, data);
1491 mutex_unlock(&efx->mac_lock);
1492
1493 return ret;
1494 }
1495
1496 static int efx_ethtool_get_module_info(struct net_device *net_dev,
1497 struct ethtool_modinfo *modinfo)
1498 {
1499 struct efx_nic *efx = netdev_priv(net_dev);
1500 int ret;
1501
1502 if (!efx->phy_op || !efx->phy_op->get_module_info)
1503 return -EOPNOTSUPP;
1504
1505 mutex_lock(&efx->mac_lock);
1506 ret = efx->phy_op->get_module_info(efx, modinfo);
1507 mutex_unlock(&efx->mac_lock);
1508
1509 return ret;
1510 }
1511
1512 static int efx_ethtool_get_fecparam(struct net_device *net_dev,
1513 struct ethtool_fecparam *fecparam)
1514 {
1515 struct efx_nic *efx = netdev_priv(net_dev);
1516 int rc;
1517
1518 if (!efx->phy_op || !efx->phy_op->get_fecparam)
1519 return -EOPNOTSUPP;
1520 mutex_lock(&efx->mac_lock);
1521 rc = efx->phy_op->get_fecparam(efx, fecparam);
1522 mutex_unlock(&efx->mac_lock);
1523
1524 return rc;
1525 }
1526
1527 static int efx_ethtool_set_fecparam(struct net_device *net_dev,
1528 struct ethtool_fecparam *fecparam)
1529 {
1530 struct efx_nic *efx = netdev_priv(net_dev);
1531 int rc;
1532
1533 if (!efx->phy_op || !efx->phy_op->get_fecparam)
1534 return -EOPNOTSUPP;
1535 mutex_lock(&efx->mac_lock);
1536 rc = efx->phy_op->set_fecparam(efx, fecparam);
1537 mutex_unlock(&efx->mac_lock);
1538
1539 return rc;
1540 }
1541
1542 const struct ethtool_ops efx_ethtool_ops = {
1543 .get_drvinfo = efx_ethtool_get_drvinfo,
1544 .get_regs_len = efx_ethtool_get_regs_len,
1545 .get_regs = efx_ethtool_get_regs,
1546 .get_msglevel = efx_ethtool_get_msglevel,
1547 .set_msglevel = efx_ethtool_set_msglevel,
1548 .nway_reset = efx_ethtool_nway_reset,
1549 .get_link = ethtool_op_get_link,
1550 .get_coalesce = efx_ethtool_get_coalesce,
1551 .set_coalesce = efx_ethtool_set_coalesce,
1552 .get_ringparam = efx_ethtool_get_ringparam,
1553 .set_ringparam = efx_ethtool_set_ringparam,
1554 .get_pauseparam = efx_ethtool_get_pauseparam,
1555 .set_pauseparam = efx_ethtool_set_pauseparam,
1556 .get_sset_count = efx_ethtool_get_sset_count,
1557 .self_test = efx_ethtool_self_test,
1558 .get_strings = efx_ethtool_get_strings,
1559 .set_phys_id = efx_ethtool_phys_id,
1560 .get_ethtool_stats = efx_ethtool_get_stats,
1561 .get_wol = efx_ethtool_get_wol,
1562 .set_wol = efx_ethtool_set_wol,
1563 .reset = efx_ethtool_reset,
1564 .get_rxnfc = efx_ethtool_get_rxnfc,
1565 .set_rxnfc = efx_ethtool_set_rxnfc,
1566 .get_rxfh_indir_size = efx_ethtool_get_rxfh_indir_size,
1567 .get_rxfh_key_size = efx_ethtool_get_rxfh_key_size,
1568 .get_rxfh = efx_ethtool_get_rxfh,
1569 .set_rxfh = efx_ethtool_set_rxfh,
1570 .get_rxfh_context = efx_ethtool_get_rxfh_context,
1571 .set_rxfh_context = efx_ethtool_set_rxfh_context,
1572 .get_ts_info = efx_ethtool_get_ts_info,
1573 .get_module_info = efx_ethtool_get_module_info,
1574 .get_module_eeprom = efx_ethtool_get_module_eeprom,
1575 .get_link_ksettings = efx_ethtool_get_link_ksettings,
1576 .set_link_ksettings = efx_ethtool_set_link_ksettings,
1577 .get_fecparam = efx_ethtool_get_fecparam,
1578 .set_fecparam = efx_ethtool_set_fecparam,
1579 };
Linux with added FPC-III support