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
efx_get_uint_stat(void * field)43 static u64 efx_get_uint_stat(void *field)
44 {
45 return *(unsigned int *)field;
46 }
47
efx_get_atomic_stat(void * field)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
efx_siena_ethtool_get_drvinfo(struct net_device * net_dev,struct ethtool_drvinfo * info)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
efx_siena_ethtool_get_msglevel(struct net_device * net_dev)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
efx_siena_ethtool_set_msglevel(struct net_device * net_dev,u32 msg_enable)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
efx_siena_ethtool_get_pauseparam(struct net_device * net_dev,struct ethtool_pauseparam * pause)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
efx_siena_ethtool_set_pauseparam(struct net_device * net_dev,struct ethtool_pauseparam * pause)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 */
efx_fill_test(unsigned int test_index,u8 * strings,u64 * data,int * test,const char * unit_format,int unit_id,const char * test_format,const char * test_id)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 */
efx_fill_loopback_test(struct efx_nic * efx,struct efx_loopback_self_tests * lb_tests,enum efx_loopback_mode mode,unsigned int test_index,u8 * strings,u64 * data)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 */
efx_ethtool_fill_self_tests(struct efx_nic * efx,struct efx_self_tests * tests,u8 * strings,u64 * data)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
efx_siena_ethtool_self_test(struct net_device * net_dev,struct ethtool_test * test,u64 * data)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
efx_describe_per_queue_stats(struct efx_nic * efx,u8 ** strings)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
efx_siena_ethtool_get_sset_count(struct net_device * net_dev,int string_set)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
efx_siena_ethtool_get_strings(struct net_device * net_dev,u32 string_set,u8 * strings)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
efx_siena_ethtool_get_stats(struct net_device * net_dev,struct ethtool_stats * stats,u64 * data)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. */
efx_siena_ethtool_get_link_ksettings(struct net_device * net_dev,struct ethtool_link_ksettings * cmd)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
efx_siena_ethtool_set_link_ksettings(struct net_device * net_dev,const struct ethtool_link_ksettings * cmd)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
efx_siena_ethtool_get_fecparam(struct net_device * net_dev,struct ethtool_fecparam * fecparam)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
efx_siena_ethtool_set_fecparam(struct net_device * net_dev,struct ethtool_fecparam * fecparam)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
ip6_fill_mask(__be32 * mask)633 static inline void ip6_fill_mask(__be32 *mask)
634 {
635 mask[0] = mask[1] = mask[2] = mask[3] = ~(__be32)0;
636 }
637
efx_ethtool_get_class_rule(struct efx_nic * efx,struct ethtool_rx_flow_spec * rule,u32 * rss_context)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
efx_siena_ethtool_get_rxfh_fields(struct net_device * net_dev,struct ethtool_rxfh_fields * info)804 int efx_siena_ethtool_get_rxfh_fields(struct net_device *net_dev,
805 struct ethtool_rxfh_fields *info)
806 {
807 struct efx_nic *efx = netdev_priv(net_dev);
808 __u64 data;
809
810 data = 0;
811 if (!efx_rss_active(&efx->rss_context)) /* No RSS */
812 goto out_setdata;
813
814 switch (info->flow_type) {
815 case UDP_V4_FLOW:
816 case UDP_V6_FLOW:
817 if (efx->rss_context.rx_hash_udp_4tuple)
818 data = (RXH_L4_B_0_1 | RXH_L4_B_2_3 |
819 RXH_IP_SRC | RXH_IP_DST);
820 else
821 data = RXH_IP_SRC | RXH_IP_DST;
822 break;
823 case TCP_V4_FLOW:
824 case TCP_V6_FLOW:
825 data = (RXH_L4_B_0_1 | RXH_L4_B_2_3 |
826 RXH_IP_SRC | RXH_IP_DST);
827 break;
828 case SCTP_V4_FLOW:
829 case SCTP_V6_FLOW:
830 case AH_ESP_V4_FLOW:
831 case AH_ESP_V6_FLOW:
832 case IPV4_FLOW:
833 case IPV6_FLOW:
834 data = RXH_IP_SRC | RXH_IP_DST;
835 break;
836 default:
837 break;
838 }
839 out_setdata:
840 info->data = data;
841 return 0;
842 }
843
efx_siena_ethtool_get_rxnfc(struct net_device * net_dev,struct ethtool_rxnfc * info,u32 * rule_locs)844 int efx_siena_ethtool_get_rxnfc(struct net_device *net_dev,
845 struct ethtool_rxnfc *info, u32 *rule_locs)
846 {
847 struct efx_nic *efx = netdev_priv(net_dev);
848 u32 rss_context = 0;
849 s32 rc = 0;
850
851 switch (info->cmd) {
852 case ETHTOOL_GRXRINGS:
853 info->data = efx->n_rx_channels;
854 return 0;
855
856 case ETHTOOL_GRXCLSRLCNT:
857 info->data = efx_filter_get_rx_id_limit(efx);
858 if (info->data == 0)
859 return -EOPNOTSUPP;
860 info->data |= RX_CLS_LOC_SPECIAL;
861 info->rule_cnt =
862 efx_filter_count_rx_used(efx, EFX_FILTER_PRI_MANUAL);
863 return 0;
864
865 case ETHTOOL_GRXCLSRULE:
866 if (efx_filter_get_rx_id_limit(efx) == 0)
867 return -EOPNOTSUPP;
868 rc = efx_ethtool_get_class_rule(efx, &info->fs, &rss_context);
869 if (rc < 0)
870 return rc;
871 if (info->fs.flow_type & FLOW_RSS)
872 info->rss_context = rss_context;
873 return 0;
874
875 case ETHTOOL_GRXCLSRLALL:
876 info->data = efx_filter_get_rx_id_limit(efx);
877 if (info->data == 0)
878 return -EOPNOTSUPP;
879 rc = efx_filter_get_rx_ids(efx, EFX_FILTER_PRI_MANUAL,
880 rule_locs, info->rule_cnt);
881 if (rc < 0)
882 return rc;
883 info->rule_cnt = rc;
884 return 0;
885
886 default:
887 return -EOPNOTSUPP;
888 }
889 }
890
ip6_mask_is_full(__be32 mask[4])891 static inline bool ip6_mask_is_full(__be32 mask[4])
892 {
893 return !~(mask[0] & mask[1] & mask[2] & mask[3]);
894 }
895
ip6_mask_is_empty(__be32 mask[4])896 static inline bool ip6_mask_is_empty(__be32 mask[4])
897 {
898 return !(mask[0] | mask[1] | mask[2] | mask[3]);
899 }
900
efx_ethtool_set_class_rule(struct efx_nic * efx,struct ethtool_rx_flow_spec * rule,u32 rss_context)901 static int efx_ethtool_set_class_rule(struct efx_nic *efx,
902 struct ethtool_rx_flow_spec *rule,
903 u32 rss_context)
904 {
905 struct ethtool_tcpip4_spec *ip_entry = &rule->h_u.tcp_ip4_spec;
906 struct ethtool_tcpip4_spec *ip_mask = &rule->m_u.tcp_ip4_spec;
907 struct ethtool_usrip4_spec *uip_entry = &rule->h_u.usr_ip4_spec;
908 struct ethtool_usrip4_spec *uip_mask = &rule->m_u.usr_ip4_spec;
909 struct ethtool_tcpip6_spec *ip6_entry = &rule->h_u.tcp_ip6_spec;
910 struct ethtool_tcpip6_spec *ip6_mask = &rule->m_u.tcp_ip6_spec;
911 struct ethtool_usrip6_spec *uip6_entry = &rule->h_u.usr_ip6_spec;
912 struct ethtool_usrip6_spec *uip6_mask = &rule->m_u.usr_ip6_spec;
913 u32 flow_type = rule->flow_type & ~(FLOW_EXT | FLOW_RSS);
914 struct ethhdr *mac_entry = &rule->h_u.ether_spec;
915 struct ethhdr *mac_mask = &rule->m_u.ether_spec;
916 enum efx_filter_flags flags = 0;
917 struct efx_filter_spec spec;
918 int rc;
919
920 /* Check that user wants us to choose the location */
921 if (rule->location != RX_CLS_LOC_ANY)
922 return -EINVAL;
923
924 /* Range-check ring_cookie */
925 if (rule->ring_cookie >= efx->n_rx_channels &&
926 rule->ring_cookie != RX_CLS_FLOW_DISC)
927 return -EINVAL;
928
929 /* Check for unsupported extensions */
930 if ((rule->flow_type & FLOW_EXT) &&
931 (rule->m_ext.vlan_etype || rule->m_ext.data[0] ||
932 rule->m_ext.data[1]))
933 return -EINVAL;
934
935 if (efx->rx_scatter)
936 flags |= EFX_FILTER_FLAG_RX_SCATTER;
937 if (rule->flow_type & FLOW_RSS)
938 flags |= EFX_FILTER_FLAG_RX_RSS;
939
940 efx_filter_init_rx(&spec, EFX_FILTER_PRI_MANUAL, flags,
941 (rule->ring_cookie == RX_CLS_FLOW_DISC) ?
942 EFX_FILTER_RX_DMAQ_ID_DROP : rule->ring_cookie);
943
944 if (rule->flow_type & FLOW_RSS)
945 spec.rss_context = rss_context;
946
947 switch (flow_type) {
948 case TCP_V4_FLOW:
949 case UDP_V4_FLOW:
950 spec.match_flags = (EFX_FILTER_MATCH_ETHER_TYPE |
951 EFX_FILTER_MATCH_IP_PROTO);
952 spec.ether_type = htons(ETH_P_IP);
953 spec.ip_proto = flow_type == TCP_V4_FLOW ? IPPROTO_TCP
954 : IPPROTO_UDP;
955 if (ip_mask->ip4dst) {
956 if (ip_mask->ip4dst != IP4_ADDR_FULL_MASK)
957 return -EINVAL;
958 spec.match_flags |= EFX_FILTER_MATCH_LOC_HOST;
959 spec.loc_host[0] = ip_entry->ip4dst;
960 }
961 if (ip_mask->ip4src) {
962 if (ip_mask->ip4src != IP4_ADDR_FULL_MASK)
963 return -EINVAL;
964 spec.match_flags |= EFX_FILTER_MATCH_REM_HOST;
965 spec.rem_host[0] = ip_entry->ip4src;
966 }
967 if (ip_mask->pdst) {
968 if (ip_mask->pdst != PORT_FULL_MASK)
969 return -EINVAL;
970 spec.match_flags |= EFX_FILTER_MATCH_LOC_PORT;
971 spec.loc_port = ip_entry->pdst;
972 }
973 if (ip_mask->psrc) {
974 if (ip_mask->psrc != PORT_FULL_MASK)
975 return -EINVAL;
976 spec.match_flags |= EFX_FILTER_MATCH_REM_PORT;
977 spec.rem_port = ip_entry->psrc;
978 }
979 if (ip_mask->tos)
980 return -EINVAL;
981 break;
982
983 case TCP_V6_FLOW:
984 case UDP_V6_FLOW:
985 spec.match_flags = (EFX_FILTER_MATCH_ETHER_TYPE |
986 EFX_FILTER_MATCH_IP_PROTO);
987 spec.ether_type = htons(ETH_P_IPV6);
988 spec.ip_proto = flow_type == TCP_V6_FLOW ? IPPROTO_TCP
989 : IPPROTO_UDP;
990 if (!ip6_mask_is_empty(ip6_mask->ip6dst)) {
991 if (!ip6_mask_is_full(ip6_mask->ip6dst))
992 return -EINVAL;
993 spec.match_flags |= EFX_FILTER_MATCH_LOC_HOST;
994 memcpy(spec.loc_host, ip6_entry->ip6dst, sizeof(spec.loc_host));
995 }
996 if (!ip6_mask_is_empty(ip6_mask->ip6src)) {
997 if (!ip6_mask_is_full(ip6_mask->ip6src))
998 return -EINVAL;
999 spec.match_flags |= EFX_FILTER_MATCH_REM_HOST;
1000 memcpy(spec.rem_host, ip6_entry->ip6src, sizeof(spec.rem_host));
1001 }
1002 if (ip6_mask->pdst) {
1003 if (ip6_mask->pdst != PORT_FULL_MASK)
1004 return -EINVAL;
1005 spec.match_flags |= EFX_FILTER_MATCH_LOC_PORT;
1006 spec.loc_port = ip6_entry->pdst;
1007 }
1008 if (ip6_mask->psrc) {
1009 if (ip6_mask->psrc != PORT_FULL_MASK)
1010 return -EINVAL;
1011 spec.match_flags |= EFX_FILTER_MATCH_REM_PORT;
1012 spec.rem_port = ip6_entry->psrc;
1013 }
1014 if (ip6_mask->tclass)
1015 return -EINVAL;
1016 break;
1017
1018 case IPV4_USER_FLOW:
1019 if (uip_mask->l4_4_bytes || uip_mask->tos || uip_mask->ip_ver ||
1020 uip_entry->ip_ver != ETH_RX_NFC_IP4)
1021 return -EINVAL;
1022 spec.match_flags = EFX_FILTER_MATCH_ETHER_TYPE;
1023 spec.ether_type = htons(ETH_P_IP);
1024 if (uip_mask->ip4dst) {
1025 if (uip_mask->ip4dst != IP4_ADDR_FULL_MASK)
1026 return -EINVAL;
1027 spec.match_flags |= EFX_FILTER_MATCH_LOC_HOST;
1028 spec.loc_host[0] = uip_entry->ip4dst;
1029 }
1030 if (uip_mask->ip4src) {
1031 if (uip_mask->ip4src != IP4_ADDR_FULL_MASK)
1032 return -EINVAL;
1033 spec.match_flags |= EFX_FILTER_MATCH_REM_HOST;
1034 spec.rem_host[0] = uip_entry->ip4src;
1035 }
1036 if (uip_mask->proto) {
1037 if (uip_mask->proto != IP_PROTO_FULL_MASK)
1038 return -EINVAL;
1039 spec.match_flags |= EFX_FILTER_MATCH_IP_PROTO;
1040 spec.ip_proto = uip_entry->proto;
1041 }
1042 break;
1043
1044 case IPV6_USER_FLOW:
1045 if (uip6_mask->l4_4_bytes || uip6_mask->tclass)
1046 return -EINVAL;
1047 spec.match_flags = EFX_FILTER_MATCH_ETHER_TYPE;
1048 spec.ether_type = htons(ETH_P_IPV6);
1049 if (!ip6_mask_is_empty(uip6_mask->ip6dst)) {
1050 if (!ip6_mask_is_full(uip6_mask->ip6dst))
1051 return -EINVAL;
1052 spec.match_flags |= EFX_FILTER_MATCH_LOC_HOST;
1053 memcpy(spec.loc_host, uip6_entry->ip6dst, sizeof(spec.loc_host));
1054 }
1055 if (!ip6_mask_is_empty(uip6_mask->ip6src)) {
1056 if (!ip6_mask_is_full(uip6_mask->ip6src))
1057 return -EINVAL;
1058 spec.match_flags |= EFX_FILTER_MATCH_REM_HOST;
1059 memcpy(spec.rem_host, uip6_entry->ip6src, sizeof(spec.rem_host));
1060 }
1061 if (uip6_mask->l4_proto) {
1062 if (uip6_mask->l4_proto != IP_PROTO_FULL_MASK)
1063 return -EINVAL;
1064 spec.match_flags |= EFX_FILTER_MATCH_IP_PROTO;
1065 spec.ip_proto = uip6_entry->l4_proto;
1066 }
1067 break;
1068
1069 case ETHER_FLOW:
1070 if (!is_zero_ether_addr(mac_mask->h_dest)) {
1071 if (ether_addr_equal(mac_mask->h_dest,
1072 mac_addr_ig_mask))
1073 spec.match_flags |= EFX_FILTER_MATCH_LOC_MAC_IG;
1074 else if (is_broadcast_ether_addr(mac_mask->h_dest))
1075 spec.match_flags |= EFX_FILTER_MATCH_LOC_MAC;
1076 else
1077 return -EINVAL;
1078 ether_addr_copy(spec.loc_mac, mac_entry->h_dest);
1079 }
1080 if (!is_zero_ether_addr(mac_mask->h_source)) {
1081 if (!is_broadcast_ether_addr(mac_mask->h_source))
1082 return -EINVAL;
1083 spec.match_flags |= EFX_FILTER_MATCH_REM_MAC;
1084 ether_addr_copy(spec.rem_mac, mac_entry->h_source);
1085 }
1086 if (mac_mask->h_proto) {
1087 if (mac_mask->h_proto != ETHER_TYPE_FULL_MASK)
1088 return -EINVAL;
1089 spec.match_flags |= EFX_FILTER_MATCH_ETHER_TYPE;
1090 spec.ether_type = mac_entry->h_proto;
1091 }
1092 break;
1093
1094 default:
1095 return -EINVAL;
1096 }
1097
1098 if ((rule->flow_type & FLOW_EXT) && rule->m_ext.vlan_tci) {
1099 if (rule->m_ext.vlan_tci != htons(0xfff))
1100 return -EINVAL;
1101 spec.match_flags |= EFX_FILTER_MATCH_OUTER_VID;
1102 spec.outer_vid = rule->h_ext.vlan_tci;
1103 }
1104
1105 rc = efx_filter_insert_filter(efx, &spec, true);
1106 if (rc < 0)
1107 return rc;
1108
1109 rule->location = rc;
1110 return 0;
1111 }
1112
efx_siena_ethtool_set_rxnfc(struct net_device * net_dev,struct ethtool_rxnfc * info)1113 int efx_siena_ethtool_set_rxnfc(struct net_device *net_dev,
1114 struct ethtool_rxnfc *info)
1115 {
1116 struct efx_nic *efx = netdev_priv(net_dev);
1117
1118 if (efx_filter_get_rx_id_limit(efx) == 0)
1119 return -EOPNOTSUPP;
1120
1121 switch (info->cmd) {
1122 case ETHTOOL_SRXCLSRLINS:
1123 return efx_ethtool_set_class_rule(efx, &info->fs,
1124 info->rss_context);
1125
1126 case ETHTOOL_SRXCLSRLDEL:
1127 return efx_filter_remove_id_safe(efx, EFX_FILTER_PRI_MANUAL,
1128 info->fs.location);
1129
1130 default:
1131 return -EOPNOTSUPP;
1132 }
1133 }
1134
efx_siena_ethtool_get_rxfh_indir_size(struct net_device * net_dev)1135 u32 efx_siena_ethtool_get_rxfh_indir_size(struct net_device *net_dev)
1136 {
1137 struct efx_nic *efx = netdev_priv(net_dev);
1138
1139 if (efx->n_rx_channels == 1)
1140 return 0;
1141 return ARRAY_SIZE(efx->rss_context.rx_indir_table);
1142 }
1143
efx_siena_ethtool_get_rxfh_key_size(struct net_device * net_dev)1144 u32 efx_siena_ethtool_get_rxfh_key_size(struct net_device *net_dev)
1145 {
1146 struct efx_nic *efx = netdev_priv(net_dev);
1147
1148 return efx->type->rx_hash_key_size;
1149 }
1150
efx_siena_ethtool_get_rxfh(struct net_device * net_dev,struct ethtool_rxfh_param * rxfh)1151 int efx_siena_ethtool_get_rxfh(struct net_device *net_dev,
1152 struct ethtool_rxfh_param *rxfh)
1153 {
1154 struct efx_nic *efx = netdev_priv(net_dev);
1155 int rc;
1156
1157 rc = efx->type->rx_pull_rss_config(efx);
1158 if (rc)
1159 return rc;
1160
1161 rxfh->hfunc = ETH_RSS_HASH_TOP;
1162 if (rxfh->indir)
1163 memcpy(rxfh->indir, efx->rss_context.rx_indir_table,
1164 sizeof(efx->rss_context.rx_indir_table));
1165 if (rxfh->key)
1166 memcpy(rxfh->key, efx->rss_context.rx_hash_key,
1167 efx->type->rx_hash_key_size);
1168 return 0;
1169 }
1170
efx_siena_ethtool_set_rxfh(struct net_device * net_dev,struct ethtool_rxfh_param * rxfh,struct netlink_ext_ack * extack)1171 int efx_siena_ethtool_set_rxfh(struct net_device *net_dev,
1172 struct ethtool_rxfh_param *rxfh,
1173 struct netlink_ext_ack *extack)
1174 {
1175 struct efx_nic *efx = netdev_priv(net_dev);
1176 u32 *indir = rxfh->indir;
1177 u8 *key = rxfh->key;
1178
1179 /* Hash function is Toeplitz, cannot be changed */
1180 if (rxfh->hfunc != ETH_RSS_HASH_NO_CHANGE &&
1181 rxfh->hfunc != ETH_RSS_HASH_TOP)
1182 return -EOPNOTSUPP;
1183
1184 if (!indir && !key)
1185 return 0;
1186
1187 if (!key)
1188 key = efx->rss_context.rx_hash_key;
1189 if (!indir)
1190 indir = efx->rss_context.rx_indir_table;
1191
1192 return efx->type->rx_push_rss_config(efx, true, indir, key);
1193 }
1194
efx_siena_ethtool_reset(struct net_device * net_dev,u32 * flags)1195 int efx_siena_ethtool_reset(struct net_device *net_dev, u32 *flags)
1196 {
1197 struct efx_nic *efx = netdev_priv(net_dev);
1198 int rc;
1199
1200 rc = efx->type->map_reset_flags(flags);
1201 if (rc < 0)
1202 return rc;
1203
1204 return efx_siena_reset(efx, rc);
1205 }
1206
efx_siena_ethtool_get_module_eeprom(struct net_device * net_dev,struct ethtool_eeprom * ee,u8 * data)1207 int efx_siena_ethtool_get_module_eeprom(struct net_device *net_dev,
1208 struct ethtool_eeprom *ee,
1209 u8 *data)
1210 {
1211 struct efx_nic *efx = netdev_priv(net_dev);
1212 int ret;
1213
1214 mutex_lock(&efx->mac_lock);
1215 ret = efx_siena_mcdi_phy_get_module_eeprom(efx, ee, data);
1216 mutex_unlock(&efx->mac_lock);
1217
1218 return ret;
1219 }
1220
efx_siena_ethtool_get_module_info(struct net_device * net_dev,struct ethtool_modinfo * modinfo)1221 int efx_siena_ethtool_get_module_info(struct net_device *net_dev,
1222 struct ethtool_modinfo *modinfo)
1223 {
1224 struct efx_nic *efx = netdev_priv(net_dev);
1225 int ret;
1226
1227 mutex_lock(&efx->mac_lock);
1228 ret = efx_siena_mcdi_phy_get_module_info(efx, modinfo);
1229 mutex_unlock(&efx->mac_lock);
1230
1231 return ret;
1232 }
1233