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Merge tag 'trace-printf-v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/trace...
[drm/drm-misc.git] / drivers / net / ethernet / sfc / siena / ethtool_common.c
blobeeee676fdca7d1f1478f1a72426f0b747bea1379
1 // SPDX-License-Identifier: GPL-2.0-only
2 /****************************************************************************
3 * Driver for Solarflare network controllers and boards
4 * Copyright 2019 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 #include <linux/module.h>
11 #include <linux/netdevice.h>
12 #include "net_driver.h"
13 #include "mcdi.h"
14 #include "nic.h"
15 #include "selftest.h"
16 #include "rx_common.h"
17 #include "ethtool_common.h"
18 #include "mcdi_port_common.h"
19
20 struct efx_sw_stat_desc {
21 const char *name;
22 enum {
23 EFX_ETHTOOL_STAT_SOURCE_nic,
24 EFX_ETHTOOL_STAT_SOURCE_channel,
25 EFX_ETHTOOL_STAT_SOURCE_tx_queue
26 } source;
27 unsigned int offset;
28 u64 (*get_stat)(void *field); /* Reader function */
29 };
30
31 /* Initialiser for a struct efx_sw_stat_desc with type-checking */
32 #define EFX_ETHTOOL_STAT(stat_name, source_name, field, field_type, \
33 get_stat_function) { \
34 .name = #stat_name, \
35 .source = EFX_ETHTOOL_STAT_SOURCE_##source_name, \
36 .offset = ((((field_type *) 0) == \
37 &((struct efx_##source_name *)0)->field) ? \
38 offsetof(struct efx_##source_name, field) : \
39 offsetof(struct efx_##source_name, field)), \
40 .get_stat = get_stat_function, \
41 }
42
43 static u64 efx_get_uint_stat(void *field)
44 {
45 return *(unsigned int *)field;
46 }
47
48 static u64 efx_get_atomic_stat(void *field)
49 {
50 return atomic_read((atomic_t *) field);
51 }
52
53 #define EFX_ETHTOOL_ATOMIC_NIC_ERROR_STAT(field) \
54 EFX_ETHTOOL_STAT(field, nic, field, \
55 atomic_t, efx_get_atomic_stat)
56
57 #define EFX_ETHTOOL_UINT_CHANNEL_STAT(field) \
58 EFX_ETHTOOL_STAT(field, channel, n_##field, \
59 unsigned int, efx_get_uint_stat)
60 #define EFX_ETHTOOL_UINT_CHANNEL_STAT_NO_N(field) \
61 EFX_ETHTOOL_STAT(field, channel, field, \
62 unsigned int, efx_get_uint_stat)
63
64 #define EFX_ETHTOOL_UINT_TXQ_STAT(field) \
65 EFX_ETHTOOL_STAT(tx_##field, tx_queue, field, \
66 unsigned int, efx_get_uint_stat)
67
68 static const struct efx_sw_stat_desc efx_sw_stat_desc[] = {
69 EFX_ETHTOOL_UINT_TXQ_STAT(merge_events),
70 EFX_ETHTOOL_UINT_TXQ_STAT(tso_bursts),
71 EFX_ETHTOOL_UINT_TXQ_STAT(tso_long_headers),
72 EFX_ETHTOOL_UINT_TXQ_STAT(tso_packets),
73 EFX_ETHTOOL_UINT_TXQ_STAT(tso_fallbacks),
74 EFX_ETHTOOL_UINT_TXQ_STAT(pushes),
75 EFX_ETHTOOL_UINT_TXQ_STAT(pio_packets),
76 EFX_ETHTOOL_UINT_TXQ_STAT(cb_packets),
77 EFX_ETHTOOL_ATOMIC_NIC_ERROR_STAT(rx_reset),
78 EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_tobe_disc),
79 EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_ip_hdr_chksum_err),
80 EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_tcp_udp_chksum_err),
81 EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_inner_ip_hdr_chksum_err),
82 EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_inner_tcp_udp_chksum_err),
83 EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_outer_ip_hdr_chksum_err),
84 EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_outer_tcp_udp_chksum_err),
85 EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_eth_crc_err),
86 EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_mcast_mismatch),
87 EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_frm_trunc),
88 EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_merge_events),
89 EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_merge_packets),
90 EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_xdp_drops),
91 EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_xdp_bad_drops),
92 EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_xdp_tx),
93 EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_xdp_redirect),
94 #ifdef CONFIG_RFS_ACCEL
95 EFX_ETHTOOL_UINT_CHANNEL_STAT_NO_N(rfs_filter_count),
96 EFX_ETHTOOL_UINT_CHANNEL_STAT(rfs_succeeded),
97 EFX_ETHTOOL_UINT_CHANNEL_STAT(rfs_failed),
98 #endif
99 };
100
101 #define EFX_ETHTOOL_SW_STAT_COUNT ARRAY_SIZE(efx_sw_stat_desc)
102
103 void efx_siena_ethtool_get_drvinfo(struct net_device *net_dev,
104 struct ethtool_drvinfo *info)
105 {
106 struct efx_nic *efx = netdev_priv(net_dev);
107
108 strscpy(info->driver, KBUILD_MODNAME, sizeof(info->driver));
109 efx_siena_mcdi_print_fwver(efx, info->fw_version,
110 sizeof(info->fw_version));
111 strscpy(info->bus_info, pci_name(efx->pci_dev), sizeof(info->bus_info));
112 }
113
114 u32 efx_siena_ethtool_get_msglevel(struct net_device *net_dev)
115 {
116 struct efx_nic *efx = netdev_priv(net_dev);
117
118 return efx->msg_enable;
119 }
120
121 void efx_siena_ethtool_set_msglevel(struct net_device *net_dev, u32 msg_enable)
122 {
123 struct efx_nic *efx = netdev_priv(net_dev);
124
125 efx->msg_enable = msg_enable;
126 }
127
128 void efx_siena_ethtool_get_pauseparam(struct net_device *net_dev,
129 struct ethtool_pauseparam *pause)
130 {
131 struct efx_nic *efx = netdev_priv(net_dev);
132
133 pause->rx_pause = !!(efx->wanted_fc & EFX_FC_RX);
134 pause->tx_pause = !!(efx->wanted_fc & EFX_FC_TX);
135 pause->autoneg = !!(efx->wanted_fc & EFX_FC_AUTO);
136 }
137
138 int efx_siena_ethtool_set_pauseparam(struct net_device *net_dev,
139 struct ethtool_pauseparam *pause)
140 {
141 struct efx_nic *efx = netdev_priv(net_dev);
142 u8 wanted_fc, old_fc;
143 u32 old_adv;
144 int rc = 0;
145
146 mutex_lock(&efx->mac_lock);
147
148 wanted_fc = ((pause->rx_pause ? EFX_FC_RX : 0) |
149 (pause->tx_pause ? EFX_FC_TX : 0) |
150 (pause->autoneg ? EFX_FC_AUTO : 0));
151
152 if ((wanted_fc & EFX_FC_TX) && !(wanted_fc & EFX_FC_RX)) {
153 netif_dbg(efx, drv, efx->net_dev,
154 "Flow control unsupported: tx ON rx OFF\n");
155 rc = -EINVAL;
156 goto out;
157 }
158
159 if ((wanted_fc & EFX_FC_AUTO) && !efx->link_advertising[0]) {
160 netif_dbg(efx, drv, efx->net_dev,
161 "Autonegotiation is disabled\n");
162 rc = -EINVAL;
163 goto out;
164 }
165
166 /* Hook for Falcon bug 11482 workaround */
167 if (efx->type->prepare_enable_fc_tx &&
168 (wanted_fc & EFX_FC_TX) && !(efx->wanted_fc & EFX_FC_TX))
169 efx->type->prepare_enable_fc_tx(efx);
170
171 old_adv = efx->link_advertising[0];
172 old_fc = efx->wanted_fc;
173 efx_siena_link_set_wanted_fc(efx, wanted_fc);
174 if (efx->link_advertising[0] != old_adv ||
175 (efx->wanted_fc ^ old_fc) & EFX_FC_AUTO) {
176 rc = efx_siena_mcdi_port_reconfigure(efx);
177 if (rc) {
178 netif_err(efx, drv, efx->net_dev,
179 "Unable to advertise requested flow "
180 "control setting\n");
181 goto out;
182 }
183 }
184
185 /* Reconfigure the MAC. The PHY *may* generate a link state change event
186 * if the user just changed the advertised capabilities, but there's no
187 * harm doing this twice */
188 efx_siena_mac_reconfigure(efx, false);
189
190 out:
191 mutex_unlock(&efx->mac_lock);
192
193 return rc;
194 }
195
196 /**
197 * efx_fill_test - fill in an individual self-test entry
198 * @test_index: Index of the test
199 * @strings: Ethtool strings, or %NULL
200 * @data: Ethtool test results, or %NULL
201 * @test: Pointer to test result (used only if data != %NULL)
202 * @unit_format: Unit name format (e.g. "chan\%d")
203 * @unit_id: Unit id (e.g. 0 for "chan0")
204 * @test_format: Test name format (e.g. "loopback.\%s.tx.sent")
205 * @test_id: Test id (e.g. "PHYXS" for "loopback.PHYXS.tx_sent")
206 *
207 * Fill in an individual self-test entry.
208 */
209 static void efx_fill_test(unsigned int test_index, u8 *strings, u64 *data,
210 int *test, const char *unit_format, int unit_id,
211 const char *test_format, const char *test_id)
212 {
213 char unit_str[ETH_GSTRING_LEN], test_str[ETH_GSTRING_LEN];
214
215 /* Fill data value, if applicable */
216 if (data)
217 data[test_index] = *test;
218
219 /* Fill string, if applicable */
220 if (strings) {
221 if (strchr(unit_format, '%'))
222 snprintf(unit_str, sizeof(unit_str),
223 unit_format, unit_id);
224 else
225 strcpy(unit_str, unit_format);
226 snprintf(test_str, sizeof(test_str), test_format, test_id);
227 snprintf(strings + test_index * ETH_GSTRING_LEN,
228 ETH_GSTRING_LEN,
229 "%-6s %-24s", unit_str, test_str);
230 }
231 }
232
233 #define EFX_CHANNEL_NAME(_channel) "chan%d", _channel->channel
234 #define EFX_TX_QUEUE_NAME(_tx_queue) "txq%d", _tx_queue->label
235 #define EFX_LOOPBACK_NAME(_mode, _counter) \
236 "loopback.%s." _counter, STRING_TABLE_LOOKUP(_mode, efx_siena_loopback_mode)
237
238 /**
239 * efx_fill_loopback_test - fill in a block of loopback self-test entries
240 * @efx: Efx NIC
241 * @lb_tests: Efx loopback self-test results structure
242 * @mode: Loopback test mode
243 * @test_index: Starting index of the test
244 * @strings: Ethtool strings, or %NULL
245 * @data: Ethtool test results, or %NULL
246 *
247 * Fill in a block of loopback self-test entries. Return new test
248 * index.
249 */
250 static int efx_fill_loopback_test(struct efx_nic *efx,
251 struct efx_loopback_self_tests *lb_tests,
252 enum efx_loopback_mode mode,
253 unsigned int test_index,
254 u8 *strings, u64 *data)
255 {
256 struct efx_channel *channel =
257 efx_get_channel(efx, efx->tx_channel_offset);
258 struct efx_tx_queue *tx_queue;
259
260 efx_for_each_channel_tx_queue(tx_queue, channel) {
261 efx_fill_test(test_index++, strings, data,
262 &lb_tests->tx_sent[tx_queue->label],
263 EFX_TX_QUEUE_NAME(tx_queue),
264 EFX_LOOPBACK_NAME(mode, "tx_sent"));
265 efx_fill_test(test_index++, strings, data,
266 &lb_tests->tx_done[tx_queue->label],
267 EFX_TX_QUEUE_NAME(tx_queue),
268 EFX_LOOPBACK_NAME(mode, "tx_done"));
269 }
270 efx_fill_test(test_index++, strings, data,
271 &lb_tests->rx_good,
272 "rx", 0,
273 EFX_LOOPBACK_NAME(mode, "rx_good"));
274 efx_fill_test(test_index++, strings, data,
275 &lb_tests->rx_bad,
276 "rx", 0,
277 EFX_LOOPBACK_NAME(mode, "rx_bad"));
278
279 return test_index;
280 }
281
282 /**
283 * efx_ethtool_fill_self_tests - get self-test details
284 * @efx: Efx NIC
285 * @tests: Efx self-test results structure, or %NULL
286 * @strings: Ethtool strings, or %NULL
287 * @data: Ethtool test results, or %NULL
288 *
289 * Get self-test number of strings, strings, and/or test results.
290 * Return number of strings (== number of test results).
291 *
292 * The reason for merging these three functions is to make sure that
293 * they can never be inconsistent.
294 */
295 static int efx_ethtool_fill_self_tests(struct efx_nic *efx,
296 struct efx_self_tests *tests,
297 u8 *strings, u64 *data)
298 {
299 struct efx_channel *channel;
300 unsigned int n = 0, i;
301 enum efx_loopback_mode mode;
302
303 efx_fill_test(n++, strings, data, &tests->phy_alive,
304 "phy", 0, "alive", NULL);
305 efx_fill_test(n++, strings, data, &tests->nvram,
306 "core", 0, "nvram", NULL);
307 efx_fill_test(n++, strings, data, &tests->interrupt,
308 "core", 0, "interrupt", NULL);
309
310 /* Event queues */
311 efx_for_each_channel(channel, efx) {
312 efx_fill_test(n++, strings, data,
313 &tests->eventq_dma[channel->channel],
314 EFX_CHANNEL_NAME(channel),
315 "eventq.dma", NULL);
316 efx_fill_test(n++, strings, data,
317 &tests->eventq_int[channel->channel],
318 EFX_CHANNEL_NAME(channel),
319 "eventq.int", NULL);
320 }
321
322 efx_fill_test(n++, strings, data, &tests->memory,
323 "core", 0, "memory", NULL);
324 efx_fill_test(n++, strings, data, &tests->registers,
325 "core", 0, "registers", NULL);
326
327 for (i = 0; true; ++i) {
328 const char *name;
329
330 EFX_WARN_ON_PARANOID(i >= EFX_MAX_PHY_TESTS);
331 name = efx_siena_mcdi_phy_test_name(efx, i);
332 if (name == NULL)
333 break;
334
335 efx_fill_test(n++, strings, data, &tests->phy_ext[i], "phy", 0, name, NULL);
336 }
337
338 /* Loopback tests */
339 for (mode = LOOPBACK_NONE; mode <= LOOPBACK_TEST_MAX; mode++) {
340 if (!(efx->loopback_modes & (1 << mode)))
341 continue;
342 n = efx_fill_loopback_test(efx,
343 &tests->loopback[mode], mode, n,
344 strings, data);
345 }
346
347 return n;
348 }
349
350 void efx_siena_ethtool_self_test(struct net_device *net_dev,
351 struct ethtool_test *test, u64 *data)
352 {
353 struct efx_nic *efx = netdev_priv(net_dev);
354 struct efx_self_tests *efx_tests;
355 bool already_up;
356 int rc = -ENOMEM;
357
358 efx_tests = kzalloc(sizeof(*efx_tests), GFP_KERNEL);
359 if (!efx_tests)
360 goto fail;
361
362 if (efx->state != STATE_READY) {
363 rc = -EBUSY;
364 goto out;
365 }
366
367 netif_info(efx, drv, efx->net_dev, "starting %sline testing\n",
368 (test->flags & ETH_TEST_FL_OFFLINE) ? "off" : "on");
369
370 /* We need rx buffers and interrupts. */
371 already_up = (efx->net_dev->flags & IFF_UP);
372 if (!already_up) {
373 rc = dev_open(efx->net_dev, NULL);
374 if (rc) {
375 netif_err(efx, drv, efx->net_dev,
376 "failed opening device.\n");
377 goto out;
378 }
379 }
380
381 rc = efx_siena_selftest(efx, efx_tests, test->flags);
382
383 if (!already_up)
384 dev_close(efx->net_dev);
385
386 netif_info(efx, drv, efx->net_dev, "%s %sline self-tests\n",
387 rc == 0 ? "passed" : "failed",
388 (test->flags & ETH_TEST_FL_OFFLINE) ? "off" : "on");
389
390 out:
391 efx_ethtool_fill_self_tests(efx, efx_tests, NULL, data);
392 kfree(efx_tests);
393 fail:
394 if (rc)
395 test->flags |= ETH_TEST_FL_FAILED;
396 }
397
398 static size_t efx_describe_per_queue_stats(struct efx_nic *efx, u8 **strings)
399 {
400 size_t n_stats = 0;
401 struct efx_channel *channel;
402
403 efx_for_each_channel(channel, efx) {
404 if (efx_channel_has_tx_queues(channel)) {
405 n_stats++;
406 if (!strings)
407 continue;
408
409 ethtool_sprintf(strings, "tx-%u.tx_packets",
410 channel->tx_queue[0].queue /
411 EFX_MAX_TXQ_PER_CHANNEL);
412 }
413 }
414 efx_for_each_channel(channel, efx) {
415 if (efx_channel_has_rx_queue(channel)) {
416 n_stats++;
417 if (!strings)
418 continue;
419
420 ethtool_sprintf(strings, "rx-%d.rx_packets",
421 channel->channel);
422 }
423 }
424 if (efx->xdp_tx_queue_count && efx->xdp_tx_queues) {
425 unsigned short xdp;
426
427 for (xdp = 0; xdp < efx->xdp_tx_queue_count; xdp++) {
428 n_stats++;
429 if (!strings)
430 continue;
431
432 ethtool_sprintf(strings, "tx-xdp-cpu-%hu.tx_packets",
433 xdp);
434 }
435 }
436
437 return n_stats;
438 }
439
440 int efx_siena_ethtool_get_sset_count(struct net_device *net_dev, int string_set)
441 {
442 struct efx_nic *efx = netdev_priv(net_dev);
443
444 switch (string_set) {
445 case ETH_SS_STATS:
446 return efx->type->describe_stats(efx, NULL) +
447 EFX_ETHTOOL_SW_STAT_COUNT +
448 efx_describe_per_queue_stats(efx, NULL) +
449 efx_siena_ptp_describe_stats(efx, NULL);
450 case ETH_SS_TEST:
451 return efx_ethtool_fill_self_tests(efx, NULL, NULL, NULL);
452 default:
453 return -EINVAL;
454 }
455 }
456
457 void efx_siena_ethtool_get_strings(struct net_device *net_dev,
458 u32 string_set, u8 *strings)
459 {
460 struct efx_nic *efx = netdev_priv(net_dev);
461 int i;
462
463 switch (string_set) {
464 case ETH_SS_STATS:
465 efx->type->describe_stats(efx, &strings);
466 for (i = 0; i < EFX_ETHTOOL_SW_STAT_COUNT; i++)
467 ethtool_puts(&strings, efx_sw_stat_desc[i].name);
468 efx_describe_per_queue_stats(efx, &strings);
469 efx_siena_ptp_describe_stats(efx, &strings);
470 break;
471 case ETH_SS_TEST:
472 efx_ethtool_fill_self_tests(efx, NULL, strings, NULL);
473 break;
474 default:
475 /* No other string sets */
476 break;
477 }
478 }
479
480 void efx_siena_ethtool_get_stats(struct net_device *net_dev,
481 struct ethtool_stats *stats,
482 u64 *data)
483 {
484 struct efx_nic *efx = netdev_priv(net_dev);
485 const struct efx_sw_stat_desc *stat;
486 struct efx_channel *channel;
487 struct efx_tx_queue *tx_queue;
488 struct efx_rx_queue *rx_queue;
489 int i;
490
491 spin_lock_bh(&efx->stats_lock);
492
493 /* Get NIC statistics */
494 data += efx->type->update_stats(efx, data, NULL);
495
496 /* Get software statistics */
497 for (i = 0; i < EFX_ETHTOOL_SW_STAT_COUNT; i++) {
498 stat = &efx_sw_stat_desc[i];
499 switch (stat->source) {
500 case EFX_ETHTOOL_STAT_SOURCE_nic:
501 data[i] = stat->get_stat((void *)efx + stat->offset);
502 break;
503 case EFX_ETHTOOL_STAT_SOURCE_channel:
504 data[i] = 0;
505 efx_for_each_channel(channel, efx)
506 data[i] += stat->get_stat((void *)channel +
507 stat->offset);
508 break;
509 case EFX_ETHTOOL_STAT_SOURCE_tx_queue:
510 data[i] = 0;
511 efx_for_each_channel(channel, efx) {
512 efx_for_each_channel_tx_queue(tx_queue, channel)
513 data[i] +=
514 stat->get_stat((void *)tx_queue
515 + stat->offset);
516 }
517 break;
518 }
519 }
520 data += EFX_ETHTOOL_SW_STAT_COUNT;
521
522 spin_unlock_bh(&efx->stats_lock);
523
524 efx_for_each_channel(channel, efx) {
525 if (efx_channel_has_tx_queues(channel)) {
526 *data = 0;
527 efx_for_each_channel_tx_queue(tx_queue, channel) {
528 *data += tx_queue->tx_packets;
529 }
530 data++;
531 }
532 }
533 efx_for_each_channel(channel, efx) {
534 if (efx_channel_has_rx_queue(channel)) {
535 *data = 0;
536 efx_for_each_channel_rx_queue(rx_queue, channel) {
537 *data += rx_queue->rx_packets;
538 }
539 data++;
540 }
541 }
542 if (efx->xdp_tx_queue_count && efx->xdp_tx_queues) {
543 int xdp;
544
545 for (xdp = 0; xdp < efx->xdp_tx_queue_count; xdp++) {
546 data[0] = efx->xdp_tx_queues[xdp]->tx_packets;
547 data++;
548 }
549 }
550
551 efx_siena_ptp_update_stats(efx, data);
552 }
553
554 /* This must be called with rtnl_lock held. */
555 int efx_siena_ethtool_get_link_ksettings(struct net_device *net_dev,
556 struct ethtool_link_ksettings *cmd)
557 {
558 struct efx_nic *efx = netdev_priv(net_dev);
559 struct efx_link_state *link_state = &efx->link_state;
560
561 mutex_lock(&efx->mac_lock);
562 efx_siena_mcdi_phy_get_link_ksettings(efx, cmd);
563 mutex_unlock(&efx->mac_lock);
564
565 /* Both MACs support pause frames (bidirectional and respond-only) */
566 ethtool_link_ksettings_add_link_mode(cmd, supported, Pause);
567 ethtool_link_ksettings_add_link_mode(cmd, supported, Asym_Pause);
568
569 if (LOOPBACK_INTERNAL(efx)) {
570 cmd->base.speed = link_state->speed;
571 cmd->base.duplex = link_state->fd ? DUPLEX_FULL : DUPLEX_HALF;
572 }
573
574 return 0;
575 }
576
577 /* This must be called with rtnl_lock held. */
578 int
579 efx_siena_ethtool_set_link_ksettings(struct net_device *net_dev,
580 const struct ethtool_link_ksettings *cmd)
581 {
582 struct efx_nic *efx = netdev_priv(net_dev);
583 int rc;
584
585 /* GMAC does not support 1000Mbps HD */
586 if ((cmd->base.speed == SPEED_1000) &&
587 (cmd->base.duplex != DUPLEX_FULL)) {
588 netif_dbg(efx, drv, efx->net_dev,
589 "rejecting unsupported 1000Mbps HD setting\n");
590 return -EINVAL;
591 }
592
593 mutex_lock(&efx->mac_lock);
594 rc = efx_siena_mcdi_phy_set_link_ksettings(efx, cmd);
595 mutex_unlock(&efx->mac_lock);
596 return rc;
597 }
598
599 int efx_siena_ethtool_get_fecparam(struct net_device *net_dev,
600 struct ethtool_fecparam *fecparam)
601 {
602 struct efx_nic *efx = netdev_priv(net_dev);
603 int rc;
604
605 mutex_lock(&efx->mac_lock);
606 rc = efx_siena_mcdi_phy_get_fecparam(efx, fecparam);
607 mutex_unlock(&efx->mac_lock);
608
609 return rc;
610 }
611
612 int efx_siena_ethtool_set_fecparam(struct net_device *net_dev,
613 struct ethtool_fecparam *fecparam)
614 {
615 struct efx_nic *efx = netdev_priv(net_dev);
616 int rc;
617
618 mutex_lock(&efx->mac_lock);
619 rc = efx_siena_mcdi_phy_set_fecparam(efx, fecparam);
620 mutex_unlock(&efx->mac_lock);
621
622 return rc;
623 }
624
625 /* MAC address mask including only I/G bit */
626 static const u8 mac_addr_ig_mask[ETH_ALEN] __aligned(2) = {0x01, 0, 0, 0, 0, 0};
627
628 #define IP4_ADDR_FULL_MASK ((__force __be32)~0)
629 #define IP_PROTO_FULL_MASK 0xFF
630 #define PORT_FULL_MASK ((__force __be16)~0)
631 #define ETHER_TYPE_FULL_MASK ((__force __be16)~0)
632
633 static inline void ip6_fill_mask(__be32 *mask)
634 {
635 mask[0] = mask[1] = mask[2] = mask[3] = ~(__be32)0;
636 }
637
638 static int efx_ethtool_get_class_rule(struct efx_nic *efx,
639 struct ethtool_rx_flow_spec *rule,
640 u32 *rss_context)
641 {
642 struct ethtool_tcpip4_spec *ip_entry = &rule->h_u.tcp_ip4_spec;
643 struct ethtool_tcpip4_spec *ip_mask = &rule->m_u.tcp_ip4_spec;
644 struct ethtool_usrip4_spec *uip_entry = &rule->h_u.usr_ip4_spec;
645 struct ethtool_usrip4_spec *uip_mask = &rule->m_u.usr_ip4_spec;
646 struct ethtool_tcpip6_spec *ip6_entry = &rule->h_u.tcp_ip6_spec;
647 struct ethtool_tcpip6_spec *ip6_mask = &rule->m_u.tcp_ip6_spec;
648 struct ethtool_usrip6_spec *uip6_entry = &rule->h_u.usr_ip6_spec;
649 struct ethtool_usrip6_spec *uip6_mask = &rule->m_u.usr_ip6_spec;
650 struct ethhdr *mac_entry = &rule->h_u.ether_spec;
651 struct ethhdr *mac_mask = &rule->m_u.ether_spec;
652 struct efx_filter_spec spec;
653 int rc;
654
655 rc = efx_filter_get_filter_safe(efx, EFX_FILTER_PRI_MANUAL,
656 rule->location, &spec);
657 if (rc)
658 return rc;
659
660 if (spec.dmaq_id == EFX_FILTER_RX_DMAQ_ID_DROP)
661 rule->ring_cookie = RX_CLS_FLOW_DISC;
662 else
663 rule->ring_cookie = spec.dmaq_id;
664
665 if ((spec.match_flags & EFX_FILTER_MATCH_ETHER_TYPE) &&
666 spec.ether_type == htons(ETH_P_IP) &&
667 (spec.match_flags & EFX_FILTER_MATCH_IP_PROTO) &&
668 (spec.ip_proto == IPPROTO_TCP || spec.ip_proto == IPPROTO_UDP) &&
669 !(spec.match_flags &
670 ~(EFX_FILTER_MATCH_ETHER_TYPE | EFX_FILTER_MATCH_OUTER_VID |
671 EFX_FILTER_MATCH_LOC_HOST | EFX_FILTER_MATCH_REM_HOST |
672 EFX_FILTER_MATCH_IP_PROTO |
673 EFX_FILTER_MATCH_LOC_PORT | EFX_FILTER_MATCH_REM_PORT))) {
674 rule->flow_type = ((spec.ip_proto == IPPROTO_TCP) ?
675 TCP_V4_FLOW : UDP_V4_FLOW);
676 if (spec.match_flags & EFX_FILTER_MATCH_LOC_HOST) {
677 ip_entry->ip4dst = spec.loc_host[0];
678 ip_mask->ip4dst = IP4_ADDR_FULL_MASK;
679 }
680 if (spec.match_flags & EFX_FILTER_MATCH_REM_HOST) {
681 ip_entry->ip4src = spec.rem_host[0];
682 ip_mask->ip4src = IP4_ADDR_FULL_MASK;
683 }
684 if (spec.match_flags & EFX_FILTER_MATCH_LOC_PORT) {
685 ip_entry->pdst = spec.loc_port;
686 ip_mask->pdst = PORT_FULL_MASK;
687 }
688 if (spec.match_flags & EFX_FILTER_MATCH_REM_PORT) {
689 ip_entry->psrc = spec.rem_port;
690 ip_mask->psrc = PORT_FULL_MASK;
691 }
692 } else if ((spec.match_flags & EFX_FILTER_MATCH_ETHER_TYPE) &&
693 spec.ether_type == htons(ETH_P_IPV6) &&
694 (spec.match_flags & EFX_FILTER_MATCH_IP_PROTO) &&
695 (spec.ip_proto == IPPROTO_TCP || spec.ip_proto == IPPROTO_UDP) &&
696 !(spec.match_flags &
697 ~(EFX_FILTER_MATCH_ETHER_TYPE | EFX_FILTER_MATCH_OUTER_VID |
698 EFX_FILTER_MATCH_LOC_HOST | EFX_FILTER_MATCH_REM_HOST |
699 EFX_FILTER_MATCH_IP_PROTO |
700 EFX_FILTER_MATCH_LOC_PORT | EFX_FILTER_MATCH_REM_PORT))) {
701 rule->flow_type = ((spec.ip_proto == IPPROTO_TCP) ?
702 TCP_V6_FLOW : UDP_V6_FLOW);
703 if (spec.match_flags & EFX_FILTER_MATCH_LOC_HOST) {
704 memcpy(ip6_entry->ip6dst, spec.loc_host,
705 sizeof(ip6_entry->ip6dst));
706 ip6_fill_mask(ip6_mask->ip6dst);
707 }
708 if (spec.match_flags & EFX_FILTER_MATCH_REM_HOST) {
709 memcpy(ip6_entry->ip6src, spec.rem_host,
710 sizeof(ip6_entry->ip6src));
711 ip6_fill_mask(ip6_mask->ip6src);
712 }
713 if (spec.match_flags & EFX_FILTER_MATCH_LOC_PORT) {
714 ip6_entry->pdst = spec.loc_port;
715 ip6_mask->pdst = PORT_FULL_MASK;
716 }
717 if (spec.match_flags & EFX_FILTER_MATCH_REM_PORT) {
718 ip6_entry->psrc = spec.rem_port;
719 ip6_mask->psrc = PORT_FULL_MASK;
720 }
721 } else if (!(spec.match_flags &
722 ~(EFX_FILTER_MATCH_LOC_MAC | EFX_FILTER_MATCH_LOC_MAC_IG |
723 EFX_FILTER_MATCH_REM_MAC | EFX_FILTER_MATCH_ETHER_TYPE |
724 EFX_FILTER_MATCH_OUTER_VID))) {
725 rule->flow_type = ETHER_FLOW;
726 if (spec.match_flags &
727 (EFX_FILTER_MATCH_LOC_MAC | EFX_FILTER_MATCH_LOC_MAC_IG)) {
728 ether_addr_copy(mac_entry->h_dest, spec.loc_mac);
729 if (spec.match_flags & EFX_FILTER_MATCH_LOC_MAC)
730 eth_broadcast_addr(mac_mask->h_dest);
731 else
732 ether_addr_copy(mac_mask->h_dest,
733 mac_addr_ig_mask);
734 }
735 if (spec.match_flags & EFX_FILTER_MATCH_REM_MAC) {
736 ether_addr_copy(mac_entry->h_source, spec.rem_mac);
737 eth_broadcast_addr(mac_mask->h_source);
738 }
739 if (spec.match_flags & EFX_FILTER_MATCH_ETHER_TYPE) {
740 mac_entry->h_proto = spec.ether_type;
741 mac_mask->h_proto = ETHER_TYPE_FULL_MASK;
742 }
743 } else if (spec.match_flags & EFX_FILTER_MATCH_ETHER_TYPE &&
744 spec.ether_type == htons(ETH_P_IP) &&
745 !(spec.match_flags &
746 ~(EFX_FILTER_MATCH_ETHER_TYPE | EFX_FILTER_MATCH_OUTER_VID |
747 EFX_FILTER_MATCH_LOC_HOST | EFX_FILTER_MATCH_REM_HOST |
748 EFX_FILTER_MATCH_IP_PROTO))) {
749 rule->flow_type = IPV4_USER_FLOW;
750 uip_entry->ip_ver = ETH_RX_NFC_IP4;
751 if (spec.match_flags & EFX_FILTER_MATCH_IP_PROTO) {
752 uip_mask->proto = IP_PROTO_FULL_MASK;
753 uip_entry->proto = spec.ip_proto;
754 }
755 if (spec.match_flags & EFX_FILTER_MATCH_LOC_HOST) {
756 uip_entry->ip4dst = spec.loc_host[0];
757 uip_mask->ip4dst = IP4_ADDR_FULL_MASK;
758 }
759 if (spec.match_flags & EFX_FILTER_MATCH_REM_HOST) {
760 uip_entry->ip4src = spec.rem_host[0];
761 uip_mask->ip4src = IP4_ADDR_FULL_MASK;
762 }
763 } else if (spec.match_flags & EFX_FILTER_MATCH_ETHER_TYPE &&
764 spec.ether_type == htons(ETH_P_IPV6) &&
765 !(spec.match_flags &
766 ~(EFX_FILTER_MATCH_ETHER_TYPE | EFX_FILTER_MATCH_OUTER_VID |
767 EFX_FILTER_MATCH_LOC_HOST | EFX_FILTER_MATCH_REM_HOST |
768 EFX_FILTER_MATCH_IP_PROTO))) {
769 rule->flow_type = IPV6_USER_FLOW;
770 if (spec.match_flags & EFX_FILTER_MATCH_IP_PROTO) {
771 uip6_mask->l4_proto = IP_PROTO_FULL_MASK;
772 uip6_entry->l4_proto = spec.ip_proto;
773 }
774 if (spec.match_flags & EFX_FILTER_MATCH_LOC_HOST) {
775 memcpy(uip6_entry->ip6dst, spec.loc_host,
776 sizeof(uip6_entry->ip6dst));
777 ip6_fill_mask(uip6_mask->ip6dst);
778 }
779 if (spec.match_flags & EFX_FILTER_MATCH_REM_HOST) {
780 memcpy(uip6_entry->ip6src, spec.rem_host,
781 sizeof(uip6_entry->ip6src));
782 ip6_fill_mask(uip6_mask->ip6src);
783 }
784 } else {
785 /* The above should handle all filters that we insert */
786 WARN_ON(1);
787 return -EINVAL;
788 }
789
790 if (spec.match_flags & EFX_FILTER_MATCH_OUTER_VID) {
791 rule->flow_type |= FLOW_EXT;
792 rule->h_ext.vlan_tci = spec.outer_vid;
793 rule->m_ext.vlan_tci = htons(0xfff);
794 }
795
796 if (spec.flags & EFX_FILTER_FLAG_RX_RSS) {
797 rule->flow_type |= FLOW_RSS;
798 *rss_context = spec.rss_context;
799 }
800
801 return rc;
802 }
803
804 int efx_siena_ethtool_get_rxnfc(struct net_device *net_dev,
805 struct ethtool_rxnfc *info, u32 *rule_locs)
806 {
807 struct efx_nic *efx = netdev_priv(net_dev);
808 u32 rss_context = 0;
809 s32 rc = 0;
810
811 switch (info->cmd) {
812 case ETHTOOL_GRXRINGS:
813 info->data = efx->n_rx_channels;
814 return 0;
815
816 case ETHTOOL_GRXFH: {
817 __u64 data;
818
819 data = 0;
820 if (!efx_rss_active(&efx->rss_context)) /* No RSS */
821 goto out_setdata;
822
823 switch (info->flow_type) {
824 case UDP_V4_FLOW:
825 case UDP_V6_FLOW:
826 if (efx->rss_context.rx_hash_udp_4tuple)
827 data = (RXH_L4_B_0_1 | RXH_L4_B_2_3 |
828 RXH_IP_SRC | RXH_IP_DST);
829 else
830 data = RXH_IP_SRC | RXH_IP_DST;
831 break;
832 case TCP_V4_FLOW:
833 case TCP_V6_FLOW:
834 data = (RXH_L4_B_0_1 | RXH_L4_B_2_3 |
835 RXH_IP_SRC | RXH_IP_DST);
836 break;
837 case SCTP_V4_FLOW:
838 case SCTP_V6_FLOW:
839 case AH_ESP_V4_FLOW:
840 case AH_ESP_V6_FLOW:
841 case IPV4_FLOW:
842 case IPV6_FLOW:
843 data = RXH_IP_SRC | RXH_IP_DST;
844 break;
845 default:
846 break;
847 }
848 out_setdata:
849 info->data = data;
850 return rc;
851 }
852
853 case ETHTOOL_GRXCLSRLCNT:
854 info->data = efx_filter_get_rx_id_limit(efx);
855 if (info->data == 0)
856 return -EOPNOTSUPP;
857 info->data |= RX_CLS_LOC_SPECIAL;
858 info->rule_cnt =
859 efx_filter_count_rx_used(efx, EFX_FILTER_PRI_MANUAL);
860 return 0;
861
862 case ETHTOOL_GRXCLSRULE:
863 if (efx_filter_get_rx_id_limit(efx) == 0)
864 return -EOPNOTSUPP;
865 rc = efx_ethtool_get_class_rule(efx, &info->fs, &rss_context);
866 if (rc < 0)
867 return rc;
868 if (info->fs.flow_type & FLOW_RSS)
869 info->rss_context = rss_context;
870 return 0;
871
872 case ETHTOOL_GRXCLSRLALL:
873 info->data = efx_filter_get_rx_id_limit(efx);
874 if (info->data == 0)
875 return -EOPNOTSUPP;
876 rc = efx_filter_get_rx_ids(efx, EFX_FILTER_PRI_MANUAL,
877 rule_locs, info->rule_cnt);
878 if (rc < 0)
879 return rc;
880 info->rule_cnt = rc;
881 return 0;
882
883 default:
884 return -EOPNOTSUPP;
885 }
886 }
887
888 static inline bool ip6_mask_is_full(__be32 mask[4])
889 {
890 return !~(mask[0] & mask[1] & mask[2] & mask[3]);
891 }
892
893 static inline bool ip6_mask_is_empty(__be32 mask[4])
894 {
895 return !(mask[0] | mask[1] | mask[2] | mask[3]);
896 }
897
898 static int efx_ethtool_set_class_rule(struct efx_nic *efx,
899 struct ethtool_rx_flow_spec *rule,
900 u32 rss_context)
901 {
902 struct ethtool_tcpip4_spec *ip_entry = &rule->h_u.tcp_ip4_spec;
903 struct ethtool_tcpip4_spec *ip_mask = &rule->m_u.tcp_ip4_spec;
904 struct ethtool_usrip4_spec *uip_entry = &rule->h_u.usr_ip4_spec;
905 struct ethtool_usrip4_spec *uip_mask = &rule->m_u.usr_ip4_spec;
906 struct ethtool_tcpip6_spec *ip6_entry = &rule->h_u.tcp_ip6_spec;
907 struct ethtool_tcpip6_spec *ip6_mask = &rule->m_u.tcp_ip6_spec;
908 struct ethtool_usrip6_spec *uip6_entry = &rule->h_u.usr_ip6_spec;
909 struct ethtool_usrip6_spec *uip6_mask = &rule->m_u.usr_ip6_spec;
910 u32 flow_type = rule->flow_type & ~(FLOW_EXT | FLOW_RSS);
911 struct ethhdr *mac_entry = &rule->h_u.ether_spec;
912 struct ethhdr *mac_mask = &rule->m_u.ether_spec;
913 enum efx_filter_flags flags = 0;
914 struct efx_filter_spec spec;
915 int rc;
916
917 /* Check that user wants us to choose the location */
918 if (rule->location != RX_CLS_LOC_ANY)
919 return -EINVAL;
920
921 /* Range-check ring_cookie */
922 if (rule->ring_cookie >= efx->n_rx_channels &&
923 rule->ring_cookie != RX_CLS_FLOW_DISC)
924 return -EINVAL;
925
926 /* Check for unsupported extensions */
927 if ((rule->flow_type & FLOW_EXT) &&
928 (rule->m_ext.vlan_etype || rule->m_ext.data[0] ||
929 rule->m_ext.data[1]))
930 return -EINVAL;
931
932 if (efx->rx_scatter)
933 flags |= EFX_FILTER_FLAG_RX_SCATTER;
934 if (rule->flow_type & FLOW_RSS)
935 flags |= EFX_FILTER_FLAG_RX_RSS;
936
937 efx_filter_init_rx(&spec, EFX_FILTER_PRI_MANUAL, flags,
938 (rule->ring_cookie == RX_CLS_FLOW_DISC) ?
939 EFX_FILTER_RX_DMAQ_ID_DROP : rule->ring_cookie);
940
941 if (rule->flow_type & FLOW_RSS)
942 spec.rss_context = rss_context;
943
944 switch (flow_type) {
945 case TCP_V4_FLOW:
946 case UDP_V4_FLOW:
947 spec.match_flags = (EFX_FILTER_MATCH_ETHER_TYPE |
948 EFX_FILTER_MATCH_IP_PROTO);
949 spec.ether_type = htons(ETH_P_IP);
950 spec.ip_proto = flow_type == TCP_V4_FLOW ? IPPROTO_TCP
951 : IPPROTO_UDP;
952 if (ip_mask->ip4dst) {
953 if (ip_mask->ip4dst != IP4_ADDR_FULL_MASK)
954 return -EINVAL;
955 spec.match_flags |= EFX_FILTER_MATCH_LOC_HOST;
956 spec.loc_host[0] = ip_entry->ip4dst;
957 }
958 if (ip_mask->ip4src) {
959 if (ip_mask->ip4src != IP4_ADDR_FULL_MASK)
960 return -EINVAL;
961 spec.match_flags |= EFX_FILTER_MATCH_REM_HOST;
962 spec.rem_host[0] = ip_entry->ip4src;
963 }
964 if (ip_mask->pdst) {
965 if (ip_mask->pdst != PORT_FULL_MASK)
966 return -EINVAL;
967 spec.match_flags |= EFX_FILTER_MATCH_LOC_PORT;
968 spec.loc_port = ip_entry->pdst;
969 }
970 if (ip_mask->psrc) {
971 if (ip_mask->psrc != PORT_FULL_MASK)
972 return -EINVAL;
973 spec.match_flags |= EFX_FILTER_MATCH_REM_PORT;
974 spec.rem_port = ip_entry->psrc;
975 }
976 if (ip_mask->tos)
977 return -EINVAL;
978 break;
979
980 case TCP_V6_FLOW:
981 case UDP_V6_FLOW:
982 spec.match_flags = (EFX_FILTER_MATCH_ETHER_TYPE |
983 EFX_FILTER_MATCH_IP_PROTO);
984 spec.ether_type = htons(ETH_P_IPV6);
985 spec.ip_proto = flow_type == TCP_V6_FLOW ? IPPROTO_TCP
986 : IPPROTO_UDP;
987 if (!ip6_mask_is_empty(ip6_mask->ip6dst)) {
988 if (!ip6_mask_is_full(ip6_mask->ip6dst))
989 return -EINVAL;
990 spec.match_flags |= EFX_FILTER_MATCH_LOC_HOST;
991 memcpy(spec.loc_host, ip6_entry->ip6dst, sizeof(spec.loc_host));
992 }
993 if (!ip6_mask_is_empty(ip6_mask->ip6src)) {
994 if (!ip6_mask_is_full(ip6_mask->ip6src))
995 return -EINVAL;
996 spec.match_flags |= EFX_FILTER_MATCH_REM_HOST;
997 memcpy(spec.rem_host, ip6_entry->ip6src, sizeof(spec.rem_host));
998 }
999 if (ip6_mask->pdst) {
1000 if (ip6_mask->pdst != PORT_FULL_MASK)
1001 return -EINVAL;
1002 spec.match_flags |= EFX_FILTER_MATCH_LOC_PORT;
1003 spec.loc_port = ip6_entry->pdst;
1004 }
1005 if (ip6_mask->psrc) {
1006 if (ip6_mask->psrc != PORT_FULL_MASK)
1007 return -EINVAL;
1008 spec.match_flags |= EFX_FILTER_MATCH_REM_PORT;
1009 spec.rem_port = ip6_entry->psrc;
1010 }
1011 if (ip6_mask->tclass)
1012 return -EINVAL;
1013 break;
1014
1015 case IPV4_USER_FLOW:
1016 if (uip_mask->l4_4_bytes || uip_mask->tos || uip_mask->ip_ver ||
1017 uip_entry->ip_ver != ETH_RX_NFC_IP4)
1018 return -EINVAL;
1019 spec.match_flags = EFX_FILTER_MATCH_ETHER_TYPE;
1020 spec.ether_type = htons(ETH_P_IP);
1021 if (uip_mask->ip4dst) {
1022 if (uip_mask->ip4dst != IP4_ADDR_FULL_MASK)
1023 return -EINVAL;
1024 spec.match_flags |= EFX_FILTER_MATCH_LOC_HOST;
1025 spec.loc_host[0] = uip_entry->ip4dst;
1026 }
1027 if (uip_mask->ip4src) {
1028 if (uip_mask->ip4src != IP4_ADDR_FULL_MASK)
1029 return -EINVAL;
1030 spec.match_flags |= EFX_FILTER_MATCH_REM_HOST;
1031 spec.rem_host[0] = uip_entry->ip4src;
1032 }
1033 if (uip_mask->proto) {
1034 if (uip_mask->proto != IP_PROTO_FULL_MASK)
1035 return -EINVAL;
1036 spec.match_flags |= EFX_FILTER_MATCH_IP_PROTO;
1037 spec.ip_proto = uip_entry->proto;
1038 }
1039 break;
1040
1041 case IPV6_USER_FLOW:
1042 if (uip6_mask->l4_4_bytes || uip6_mask->tclass)
1043 return -EINVAL;
1044 spec.match_flags = EFX_FILTER_MATCH_ETHER_TYPE;
1045 spec.ether_type = htons(ETH_P_IPV6);
1046 if (!ip6_mask_is_empty(uip6_mask->ip6dst)) {
1047 if (!ip6_mask_is_full(uip6_mask->ip6dst))
1048 return -EINVAL;
1049 spec.match_flags |= EFX_FILTER_MATCH_LOC_HOST;
1050 memcpy(spec.loc_host, uip6_entry->ip6dst, sizeof(spec.loc_host));
1051 }
1052 if (!ip6_mask_is_empty(uip6_mask->ip6src)) {
1053 if (!ip6_mask_is_full(uip6_mask->ip6src))
1054 return -EINVAL;
1055 spec.match_flags |= EFX_FILTER_MATCH_REM_HOST;
1056 memcpy(spec.rem_host, uip6_entry->ip6src, sizeof(spec.rem_host));
1057 }
1058 if (uip6_mask->l4_proto) {
1059 if (uip6_mask->l4_proto != IP_PROTO_FULL_MASK)
1060 return -EINVAL;
1061 spec.match_flags |= EFX_FILTER_MATCH_IP_PROTO;
1062 spec.ip_proto = uip6_entry->l4_proto;
1063 }
1064 break;
1065
1066 case ETHER_FLOW:
1067 if (!is_zero_ether_addr(mac_mask->h_dest)) {
1068 if (ether_addr_equal(mac_mask->h_dest,
1069 mac_addr_ig_mask))
1070 spec.match_flags |= EFX_FILTER_MATCH_LOC_MAC_IG;
1071 else if (is_broadcast_ether_addr(mac_mask->h_dest))
1072 spec.match_flags |= EFX_FILTER_MATCH_LOC_MAC;
1073 else
1074 return -EINVAL;
1075 ether_addr_copy(spec.loc_mac, mac_entry->h_dest);
1076 }
1077 if (!is_zero_ether_addr(mac_mask->h_source)) {
1078 if (!is_broadcast_ether_addr(mac_mask->h_source))
1079 return -EINVAL;
1080 spec.match_flags |= EFX_FILTER_MATCH_REM_MAC;
1081 ether_addr_copy(spec.rem_mac, mac_entry->h_source);
1082 }
1083 if (mac_mask->h_proto) {
1084 if (mac_mask->h_proto != ETHER_TYPE_FULL_MASK)
1085 return -EINVAL;
1086 spec.match_flags |= EFX_FILTER_MATCH_ETHER_TYPE;
1087 spec.ether_type = mac_entry->h_proto;
1088 }
1089 break;
1090
1091 default:
1092 return -EINVAL;
1093 }
1094
1095 if ((rule->flow_type & FLOW_EXT) && rule->m_ext.vlan_tci) {
1096 if (rule->m_ext.vlan_tci != htons(0xfff))
1097 return -EINVAL;
1098 spec.match_flags |= EFX_FILTER_MATCH_OUTER_VID;
1099 spec.outer_vid = rule->h_ext.vlan_tci;
1100 }
1101
1102 rc = efx_filter_insert_filter(efx, &spec, true);
1103 if (rc < 0)
1104 return rc;
1105
1106 rule->location = rc;
1107 return 0;
1108 }
1109
1110 int efx_siena_ethtool_set_rxnfc(struct net_device *net_dev,
1111 struct ethtool_rxnfc *info)
1112 {
1113 struct efx_nic *efx = netdev_priv(net_dev);
1114
1115 if (efx_filter_get_rx_id_limit(efx) == 0)
1116 return -EOPNOTSUPP;
1117
1118 switch (info->cmd) {
1119 case ETHTOOL_SRXCLSRLINS:
1120 return efx_ethtool_set_class_rule(efx, &info->fs,
1121 info->rss_context);
1122
1123 case ETHTOOL_SRXCLSRLDEL:
1124 return efx_filter_remove_id_safe(efx, EFX_FILTER_PRI_MANUAL,
1125 info->fs.location);
1126
1127 default:
1128 return -EOPNOTSUPP;
1129 }
1130 }
1131
1132 u32 efx_siena_ethtool_get_rxfh_indir_size(struct net_device *net_dev)
1133 {
1134 struct efx_nic *efx = netdev_priv(net_dev);
1135
1136 if (efx->n_rx_channels == 1)
1137 return 0;
1138 return ARRAY_SIZE(efx->rss_context.rx_indir_table);
1139 }
1140
1141 u32 efx_siena_ethtool_get_rxfh_key_size(struct net_device *net_dev)
1142 {
1143 struct efx_nic *efx = netdev_priv(net_dev);
1144
1145 return efx->type->rx_hash_key_size;
1146 }
1147
1148 int efx_siena_ethtool_get_rxfh(struct net_device *net_dev,
1149 struct ethtool_rxfh_param *rxfh)
1150 {
1151 struct efx_nic *efx = netdev_priv(net_dev);
1152 int rc;
1153
1154 rc = efx->type->rx_pull_rss_config(efx);
1155 if (rc)
1156 return rc;
1157
1158 rxfh->hfunc = ETH_RSS_HASH_TOP;
1159 if (rxfh->indir)
1160 memcpy(rxfh->indir, efx->rss_context.rx_indir_table,
1161 sizeof(efx->rss_context.rx_indir_table));
1162 if (rxfh->key)
1163 memcpy(rxfh->key, efx->rss_context.rx_hash_key,
1164 efx->type->rx_hash_key_size);
1165 return 0;
1166 }
1167
1168 int efx_siena_ethtool_set_rxfh(struct net_device *net_dev,
1169 struct ethtool_rxfh_param *rxfh,
1170 struct netlink_ext_ack *extack)
1171 {
1172 struct efx_nic *efx = netdev_priv(net_dev);
1173 u32 *indir = rxfh->indir;
1174 u8 *key = rxfh->key;
1175
1176 /* Hash function is Toeplitz, cannot be changed */
1177 if (rxfh->hfunc != ETH_RSS_HASH_NO_CHANGE &&
1178 rxfh->hfunc != ETH_RSS_HASH_TOP)
1179 return -EOPNOTSUPP;
1180
1181 if (!indir && !key)
1182 return 0;
1183
1184 if (!key)
1185 key = efx->rss_context.rx_hash_key;
1186 if (!indir)
1187 indir = efx->rss_context.rx_indir_table;
1188
1189 return efx->type->rx_push_rss_config(efx, true, indir, key);
1190 }
1191
1192 int efx_siena_ethtool_reset(struct net_device *net_dev, u32 *flags)
1193 {
1194 struct efx_nic *efx = netdev_priv(net_dev);
1195 int rc;
1196
1197 rc = efx->type->map_reset_flags(flags);
1198 if (rc < 0)
1199 return rc;
1200
1201 return efx_siena_reset(efx, rc);
1202 }
1203
1204 int efx_siena_ethtool_get_module_eeprom(struct net_device *net_dev,
1205 struct ethtool_eeprom *ee,
1206 u8 *data)
1207 {
1208 struct efx_nic *efx = netdev_priv(net_dev);
1209 int ret;
1210
1211 mutex_lock(&efx->mac_lock);
1212 ret = efx_siena_mcdi_phy_get_module_eeprom(efx, ee, data);
1213 mutex_unlock(&efx->mac_lock);
1214
1215 return ret;
1216 }
1217
1218 int efx_siena_ethtool_get_module_info(struct net_device *net_dev,
1219 struct ethtool_modinfo *modinfo)
1220 {
1221 struct efx_nic *efx = netdev_priv(net_dev);
1222 int ret;
1223
1224 mutex_lock(&efx->mac_lock);
1225 ret = efx_siena_mcdi_phy_get_module_info(efx, modinfo);
1226 mutex_unlock(&efx->mac_lock);
1227
1228 return ret;
1229 }
Kernel DRM miscellaneous fixes and cross-tree changes