1 /****************************************************************************
2 * Driver for Solarflare network controllers and boards
3 * Copyright 2005-2006 Fen Systems Ltd.
4 * Copyright 2006-2013 Solarflare Communications Inc.
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.
11 #include <linux/netdevice.h>
12 #include <linux/ethtool.h>
13 #include <linux/rtnetlink.h>
15 #include "net_driver.h"
16 #include "workarounds.h"
22 struct efx_sw_stat_desc {
25 EFX_ETHTOOL_STAT_SOURCE_nic,
26 EFX_ETHTOOL_STAT_SOURCE_channel,
27 EFX_ETHTOOL_STAT_SOURCE_tx_queue
30 u64(*get_stat) (void *field); /* Reader function */
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) { \
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, \
45 static u64 efx_get_uint_stat(void *field)
47 return *(unsigned int *)field;
50 static u64 efx_get_atomic_stat(void *field)
52 return atomic_read((atomic_t *) field);
55 #define EFX_ETHTOOL_ATOMIC_NIC_ERROR_STAT(field) \
56 EFX_ETHTOOL_STAT(field, nic, field, \
57 atomic_t, efx_get_atomic_stat)
59 #define EFX_ETHTOOL_UINT_CHANNEL_STAT(field) \
60 EFX_ETHTOOL_STAT(field, channel, n_##field, \
61 unsigned int, efx_get_uint_stat)
63 #define EFX_ETHTOOL_UINT_TXQ_STAT(field) \
64 EFX_ETHTOOL_STAT(tx_##field, tx_queue, field, \
65 unsigned int, efx_get_uint_stat)
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(pushes),
73 EFX_ETHTOOL_UINT_TXQ_STAT(pio_packets),
74 EFX_ETHTOOL_ATOMIC_NIC_ERROR_STAT(rx_reset),
75 EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_tobe_disc),
76 EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_ip_hdr_chksum_err),
77 EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_tcp_udp_chksum_err),
78 EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_mcast_mismatch),
79 EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_frm_trunc),
80 EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_nodesc_trunc),
81 EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_merge_events),
82 EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_merge_packets),
85 #define EFX_ETHTOOL_SW_STAT_COUNT ARRAY_SIZE(efx_sw_stat_desc)
87 #define EFX_ETHTOOL_EEPROM_MAGIC 0xEFAB
89 /**************************************************************************
93 **************************************************************************
96 /* Identify device by flashing LEDs */
97 static int efx_ethtool_phys_id(struct net_device *net_dev,
98 enum ethtool_phys_id_state state)
100 struct efx_nic *efx = netdev_priv(net_dev);
101 enum efx_led_mode mode = EFX_LED_DEFAULT;
110 case ETHTOOL_ID_INACTIVE:
111 mode = EFX_LED_DEFAULT;
113 case ETHTOOL_ID_ACTIVE:
114 return 1; /* cycle on/off once per second */
117 efx->type->set_id_led(efx, mode);
121 /* This must be called with rtnl_lock held. */
122 static int efx_ethtool_get_settings(struct net_device *net_dev,
123 struct ethtool_cmd *ecmd)
125 struct efx_nic *efx = netdev_priv(net_dev);
126 struct efx_link_state *link_state = &efx->link_state;
128 mutex_lock(&efx->mac_lock);
129 efx->phy_op->get_settings(efx, ecmd);
130 mutex_unlock(&efx->mac_lock);
132 /* Both MACs support pause frames (bidirectional and respond-only) */
133 ecmd->supported |= SUPPORTED_Pause | SUPPORTED_Asym_Pause;
135 if (LOOPBACK_INTERNAL(efx)) {
136 ethtool_cmd_speed_set(ecmd, link_state->speed);
137 ecmd->duplex = link_state->fd ? DUPLEX_FULL : DUPLEX_HALF;
143 /* This must be called with rtnl_lock held. */
144 static int efx_ethtool_set_settings(struct net_device *net_dev,
145 struct ethtool_cmd *ecmd)
147 struct efx_nic *efx = netdev_priv(net_dev);
150 /* GMAC does not support 1000Mbps HD */
151 if ((ethtool_cmd_speed(ecmd) == SPEED_1000) &&
152 (ecmd->duplex != DUPLEX_FULL)) {
153 netif_dbg(efx, drv, efx->net_dev,
154 "rejecting unsupported 1000Mbps HD setting\n");
158 mutex_lock(&efx->mac_lock);
159 rc = efx->phy_op->set_settings(efx, ecmd);
160 mutex_unlock(&efx->mac_lock);
164 static void efx_ethtool_get_drvinfo(struct net_device *net_dev,
165 struct ethtool_drvinfo *info)
167 struct efx_nic *efx = netdev_priv(net_dev);
169 strlcpy(info->driver, KBUILD_MODNAME, sizeof(info->driver));
170 strlcpy(info->version, EFX_DRIVER_VERSION, sizeof(info->version));
171 if (efx_nic_rev(efx) >= EFX_REV_SIENA_A0)
172 efx_mcdi_print_fwver(efx, info->fw_version,
173 sizeof(info->fw_version));
174 strlcpy(info->bus_info, pci_name(efx->pci_dev), sizeof(info->bus_info));
177 static int efx_ethtool_get_regs_len(struct net_device *net_dev)
179 return efx_nic_get_regs_len(netdev_priv(net_dev));
182 static void efx_ethtool_get_regs(struct net_device *net_dev,
183 struct ethtool_regs *regs, void *buf)
185 struct efx_nic *efx = netdev_priv(net_dev);
187 regs->version = efx->type->revision;
188 efx_nic_get_regs(efx, buf);
191 static u32 efx_ethtool_get_msglevel(struct net_device *net_dev)
193 struct efx_nic *efx = netdev_priv(net_dev);
194 return efx->msg_enable;
197 static void efx_ethtool_set_msglevel(struct net_device *net_dev, u32 msg_enable)
199 struct efx_nic *efx = netdev_priv(net_dev);
200 efx->msg_enable = msg_enable;
204 * efx_fill_test - fill in an individual self-test entry
205 * @test_index: Index of the test
206 * @strings: Ethtool strings, or %NULL
207 * @data: Ethtool test results, or %NULL
208 * @test: Pointer to test result (used only if data != %NULL)
209 * @unit_format: Unit name format (e.g. "chan\%d")
210 * @unit_id: Unit id (e.g. 0 for "chan0")
211 * @test_format: Test name format (e.g. "loopback.\%s.tx.sent")
212 * @test_id: Test id (e.g. "PHYXS" for "loopback.PHYXS.tx_sent")
214 * Fill in an individual self-test entry.
216 static void efx_fill_test(unsigned int test_index, u8 *strings, u64 *data,
217 int *test, const char *unit_format, int unit_id,
218 const char *test_format, const char *test_id)
220 char unit_str[ETH_GSTRING_LEN], test_str[ETH_GSTRING_LEN];
222 /* Fill data value, if applicable */
224 data[test_index] = *test;
226 /* Fill string, if applicable */
228 if (strchr(unit_format, '%'))
229 snprintf(unit_str, sizeof(unit_str),
230 unit_format, unit_id);
232 strcpy(unit_str, unit_format);
233 snprintf(test_str, sizeof(test_str), test_format, test_id);
234 snprintf(strings + test_index * ETH_GSTRING_LEN,
236 "%-6s %-24s", unit_str, test_str);
240 #define EFX_CHANNEL_NAME(_channel) "chan%d", _channel->channel
241 #define EFX_TX_QUEUE_NAME(_tx_queue) "txq%d", _tx_queue->queue
242 #define EFX_RX_QUEUE_NAME(_rx_queue) "rxq%d", _rx_queue->queue
243 #define EFX_LOOPBACK_NAME(_mode, _counter) \
244 "loopback.%s." _counter, STRING_TABLE_LOOKUP(_mode, efx_loopback_mode)
247 * efx_fill_loopback_test - fill in a block of loopback self-test entries
249 * @lb_tests: Efx loopback self-test results structure
250 * @mode: Loopback test mode
251 * @test_index: Starting index of the test
252 * @strings: Ethtool strings, or %NULL
253 * @data: Ethtool test results, or %NULL
255 static int efx_fill_loopback_test(struct efx_nic *efx,
256 struct efx_loopback_self_tests *lb_tests,
257 enum efx_loopback_mode mode,
258 unsigned int test_index,
259 u8 *strings, u64 *data)
261 struct efx_channel *channel =
262 efx_get_channel(efx, efx->tx_channel_offset);
263 struct efx_tx_queue *tx_queue;
265 efx_for_each_channel_tx_queue(tx_queue, channel) {
266 efx_fill_test(test_index++, strings, data,
267 &lb_tests->tx_sent[tx_queue->queue],
268 EFX_TX_QUEUE_NAME(tx_queue),
269 EFX_LOOPBACK_NAME(mode, "tx_sent"));
270 efx_fill_test(test_index++, strings, data,
271 &lb_tests->tx_done[tx_queue->queue],
272 EFX_TX_QUEUE_NAME(tx_queue),
273 EFX_LOOPBACK_NAME(mode, "tx_done"));
275 efx_fill_test(test_index++, strings, data,
278 EFX_LOOPBACK_NAME(mode, "rx_good"));
279 efx_fill_test(test_index++, strings, data,
282 EFX_LOOPBACK_NAME(mode, "rx_bad"));
288 * efx_ethtool_fill_self_tests - get self-test details
290 * @tests: Efx self-test results structure, or %NULL
291 * @strings: Ethtool strings, or %NULL
292 * @data: Ethtool test results, or %NULL
294 static int efx_ethtool_fill_self_tests(struct efx_nic *efx,
295 struct efx_self_tests *tests,
296 u8 *strings, u64 *data)
298 struct efx_channel *channel;
299 unsigned int n = 0, i;
300 enum efx_loopback_mode mode;
302 efx_fill_test(n++, strings, data, &tests->phy_alive,
303 "phy", 0, "alive", NULL);
304 efx_fill_test(n++, strings, data, &tests->nvram,
305 "core", 0, "nvram", NULL);
306 efx_fill_test(n++, strings, data, &tests->interrupt,
307 "core", 0, "interrupt", NULL);
310 efx_for_each_channel(channel, efx) {
311 efx_fill_test(n++, strings, data,
312 &tests->eventq_dma[channel->channel],
313 EFX_CHANNEL_NAME(channel),
315 efx_fill_test(n++, strings, data,
316 &tests->eventq_int[channel->channel],
317 EFX_CHANNEL_NAME(channel),
321 efx_fill_test(n++, strings, data, &tests->memory,
322 "core", 0, "memory", NULL);
323 efx_fill_test(n++, strings, data, &tests->registers,
324 "core", 0, "registers", NULL);
326 if (efx->phy_op->run_tests != NULL) {
327 EFX_BUG_ON_PARANOID(efx->phy_op->test_name == NULL);
329 for (i = 0; true; ++i) {
332 EFX_BUG_ON_PARANOID(i >= EFX_MAX_PHY_TESTS);
333 name = efx->phy_op->test_name(efx, i);
337 efx_fill_test(n++, strings, data, &tests->phy_ext[i],
338 "phy", 0, name, NULL);
343 for (mode = LOOPBACK_NONE; mode <= LOOPBACK_TEST_MAX; mode++) {
344 if (!(efx->loopback_modes & (1 << mode)))
346 n = efx_fill_loopback_test(efx,
347 &tests->loopback[mode], mode, n,
354 static int efx_ethtool_get_sset_count(struct net_device *net_dev,
357 struct efx_nic *efx = netdev_priv(net_dev);
359 switch (string_set) {
361 return efx->type->describe_stats(efx, NULL) +
362 EFX_ETHTOOL_SW_STAT_COUNT +
363 efx_ptp_describe_stats(efx, NULL);
365 return efx_ethtool_fill_self_tests(efx, NULL, NULL, NULL);
371 static void efx_ethtool_get_strings(struct net_device *net_dev,
372 u32 string_set, u8 *strings)
374 struct efx_nic *efx = netdev_priv(net_dev);
377 switch (string_set) {
379 strings += (efx->type->describe_stats(efx, strings) *
381 for (i = 0; i < EFX_ETHTOOL_SW_STAT_COUNT; i++)
382 strlcpy(strings + i * ETH_GSTRING_LEN,
383 efx_sw_stat_desc[i].name, ETH_GSTRING_LEN);
384 strings += EFX_ETHTOOL_SW_STAT_COUNT * ETH_GSTRING_LEN;
385 efx_ptp_describe_stats(efx, strings);
388 efx_ethtool_fill_self_tests(efx, NULL, strings, NULL);
391 /* No other string sets */
396 static void efx_ethtool_get_stats(struct net_device *net_dev,
397 struct ethtool_stats *stats,
400 struct efx_nic *efx = netdev_priv(net_dev);
401 const struct efx_sw_stat_desc *stat;
402 struct efx_channel *channel;
403 struct efx_tx_queue *tx_queue;
406 spin_lock_bh(&efx->stats_lock);
408 /* Get NIC statistics */
409 data += efx->type->update_stats(efx, data, NULL);
411 /* Get software statistics */
412 for (i = 0; i < EFX_ETHTOOL_SW_STAT_COUNT; i++) {
413 stat = &efx_sw_stat_desc[i];
414 switch (stat->source) {
415 case EFX_ETHTOOL_STAT_SOURCE_nic:
416 data[i] = stat->get_stat((void *)efx + stat->offset);
418 case EFX_ETHTOOL_STAT_SOURCE_channel:
420 efx_for_each_channel(channel, efx)
421 data[i] += stat->get_stat((void *)channel +
424 case EFX_ETHTOOL_STAT_SOURCE_tx_queue:
426 efx_for_each_channel(channel, efx) {
427 efx_for_each_channel_tx_queue(tx_queue, channel)
429 stat->get_stat((void *)tx_queue
435 data += EFX_ETHTOOL_SW_STAT_COUNT;
437 spin_unlock_bh(&efx->stats_lock);
439 efx_ptp_update_stats(efx, data);
442 static void efx_ethtool_self_test(struct net_device *net_dev,
443 struct ethtool_test *test, u64 *data)
445 struct efx_nic *efx = netdev_priv(net_dev);
446 struct efx_self_tests *efx_tests;
450 efx_tests = kzalloc(sizeof(*efx_tests), GFP_KERNEL);
454 if (efx->state != STATE_READY) {
459 netif_info(efx, drv, efx->net_dev, "starting %sline testing\n",
460 (test->flags & ETH_TEST_FL_OFFLINE) ? "off" : "on");
462 /* We need rx buffers and interrupts. */
463 already_up = (efx->net_dev->flags & IFF_UP);
465 rc = dev_open(efx->net_dev);
467 netif_err(efx, drv, efx->net_dev,
468 "failed opening device.\n");
473 rc = efx_selftest(efx, efx_tests, test->flags);
476 dev_close(efx->net_dev);
478 netif_info(efx, drv, efx->net_dev, "%s %sline self-tests\n",
479 rc == 0 ? "passed" : "failed",
480 (test->flags & ETH_TEST_FL_OFFLINE) ? "off" : "on");
483 /* Fill ethtool results structures */
484 efx_ethtool_fill_self_tests(efx, efx_tests, NULL, data);
488 test->flags |= ETH_TEST_FL_FAILED;
491 /* Restart autonegotiation */
492 static int efx_ethtool_nway_reset(struct net_device *net_dev)
494 struct efx_nic *efx = netdev_priv(net_dev);
496 return mdio45_nway_restart(&efx->mdio);
500 * Each channel has a single IRQ and moderation timer, started by any
501 * completion (or other event). Unless the module parameter
502 * separate_tx_channels is set, IRQs and moderation are therefore
503 * shared between RX and TX completions. In this case, when RX IRQ
504 * moderation is explicitly changed then TX IRQ moderation is
505 * automatically changed too, but otherwise we fail if the two values
506 * are requested to be different.
508 * The hardware does not support a limit on the number of completions
509 * before an IRQ, so we do not use the max_frames fields. We should
510 * report and require that max_frames == (usecs != 0), but this would
511 * invalidate existing user documentation.
513 * The hardware does not have distinct settings for interrupt
514 * moderation while the previous IRQ is being handled, so we should
515 * not use the 'irq' fields. However, an earlier developer
516 * misunderstood the meaning of the 'irq' fields and the driver did
517 * not support the standard fields. To avoid invalidating existing
518 * user documentation, we report and accept changes through either the
519 * standard or 'irq' fields. If both are changed at the same time, we
520 * prefer the standard field.
522 * We implement adaptive IRQ moderation, but use a different algorithm
523 * from that assumed in the definition of struct ethtool_coalesce.
524 * Therefore we do not use any of the adaptive moderation parameters
528 static int efx_ethtool_get_coalesce(struct net_device *net_dev,
529 struct ethtool_coalesce *coalesce)
531 struct efx_nic *efx = netdev_priv(net_dev);
532 unsigned int tx_usecs, rx_usecs;
535 efx_get_irq_moderation(efx, &tx_usecs, &rx_usecs, &rx_adaptive);
537 coalesce->tx_coalesce_usecs = tx_usecs;
538 coalesce->tx_coalesce_usecs_irq = tx_usecs;
539 coalesce->rx_coalesce_usecs = rx_usecs;
540 coalesce->rx_coalesce_usecs_irq = rx_usecs;
541 coalesce->use_adaptive_rx_coalesce = rx_adaptive;
546 static int efx_ethtool_set_coalesce(struct net_device *net_dev,
547 struct ethtool_coalesce *coalesce)
549 struct efx_nic *efx = netdev_priv(net_dev);
550 struct efx_channel *channel;
551 unsigned int tx_usecs, rx_usecs;
552 bool adaptive, rx_may_override_tx;
555 if (coalesce->use_adaptive_tx_coalesce)
558 efx_get_irq_moderation(efx, &tx_usecs, &rx_usecs, &adaptive);
560 if (coalesce->rx_coalesce_usecs != rx_usecs)
561 rx_usecs = coalesce->rx_coalesce_usecs;
563 rx_usecs = coalesce->rx_coalesce_usecs_irq;
565 adaptive = coalesce->use_adaptive_rx_coalesce;
567 /* If channels are shared, TX IRQ moderation can be quietly
568 * overridden unless it is changed from its old value.
570 rx_may_override_tx = (coalesce->tx_coalesce_usecs == tx_usecs &&
571 coalesce->tx_coalesce_usecs_irq == tx_usecs);
572 if (coalesce->tx_coalesce_usecs != tx_usecs)
573 tx_usecs = coalesce->tx_coalesce_usecs;
575 tx_usecs = coalesce->tx_coalesce_usecs_irq;
577 rc = efx_init_irq_moderation(efx, tx_usecs, rx_usecs, adaptive,
582 efx_for_each_channel(channel, efx)
583 efx->type->push_irq_moderation(channel);
588 static void efx_ethtool_get_ringparam(struct net_device *net_dev,
589 struct ethtool_ringparam *ring)
591 struct efx_nic *efx = netdev_priv(net_dev);
593 ring->rx_max_pending = EFX_MAX_DMAQ_SIZE;
594 ring->tx_max_pending = EFX_TXQ_MAX_ENT(efx);
595 ring->rx_pending = efx->rxq_entries;
596 ring->tx_pending = efx->txq_entries;
599 static int efx_ethtool_set_ringparam(struct net_device *net_dev,
600 struct ethtool_ringparam *ring)
602 struct efx_nic *efx = netdev_priv(net_dev);
605 if (ring->rx_mini_pending || ring->rx_jumbo_pending ||
606 ring->rx_pending > EFX_MAX_DMAQ_SIZE ||
607 ring->tx_pending > EFX_TXQ_MAX_ENT(efx))
610 if (ring->rx_pending < EFX_RXQ_MIN_ENT) {
611 netif_err(efx, drv, efx->net_dev,
612 "RX queues cannot be smaller than %u\n",
617 txq_entries = max(ring->tx_pending, EFX_TXQ_MIN_ENT(efx));
618 if (txq_entries != ring->tx_pending)
619 netif_warn(efx, drv, efx->net_dev,
620 "increasing TX queue size to minimum of %u\n",
623 return efx_realloc_channels(efx, ring->rx_pending, txq_entries);
626 static int efx_ethtool_set_pauseparam(struct net_device *net_dev,
627 struct ethtool_pauseparam *pause)
629 struct efx_nic *efx = netdev_priv(net_dev);
630 u8 wanted_fc, old_fc;
634 mutex_lock(&efx->mac_lock);
636 wanted_fc = ((pause->rx_pause ? EFX_FC_RX : 0) |
637 (pause->tx_pause ? EFX_FC_TX : 0) |
638 (pause->autoneg ? EFX_FC_AUTO : 0));
640 if ((wanted_fc & EFX_FC_TX) && !(wanted_fc & EFX_FC_RX)) {
641 netif_dbg(efx, drv, efx->net_dev,
642 "Flow control unsupported: tx ON rx OFF\n");
647 if ((wanted_fc & EFX_FC_AUTO) && !efx->link_advertising) {
648 netif_dbg(efx, drv, efx->net_dev,
649 "Autonegotiation is disabled\n");
654 /* Hook for Falcon bug 11482 workaround */
655 if (efx->type->prepare_enable_fc_tx &&
656 (wanted_fc & EFX_FC_TX) && !(efx->wanted_fc & EFX_FC_TX))
657 efx->type->prepare_enable_fc_tx(efx);
659 old_adv = efx->link_advertising;
660 old_fc = efx->wanted_fc;
661 efx_link_set_wanted_fc(efx, wanted_fc);
662 if (efx->link_advertising != old_adv ||
663 (efx->wanted_fc ^ old_fc) & EFX_FC_AUTO) {
664 rc = efx->phy_op->reconfigure(efx);
666 netif_err(efx, drv, efx->net_dev,
667 "Unable to advertise requested flow "
668 "control setting\n");
673 /* Reconfigure the MAC. The PHY *may* generate a link state change event
674 * if the user just changed the advertised capabilities, but there's no
675 * harm doing this twice */
676 efx->type->reconfigure_mac(efx);
679 mutex_unlock(&efx->mac_lock);
684 static void efx_ethtool_get_pauseparam(struct net_device *net_dev,
685 struct ethtool_pauseparam *pause)
687 struct efx_nic *efx = netdev_priv(net_dev);
689 pause->rx_pause = !!(efx->wanted_fc & EFX_FC_RX);
690 pause->tx_pause = !!(efx->wanted_fc & EFX_FC_TX);
691 pause->autoneg = !!(efx->wanted_fc & EFX_FC_AUTO);
695 static void efx_ethtool_get_wol(struct net_device *net_dev,
696 struct ethtool_wolinfo *wol)
698 struct efx_nic *efx = netdev_priv(net_dev);
699 return efx->type->get_wol(efx, wol);
703 static int efx_ethtool_set_wol(struct net_device *net_dev,
704 struct ethtool_wolinfo *wol)
706 struct efx_nic *efx = netdev_priv(net_dev);
707 return efx->type->set_wol(efx, wol->wolopts);
710 static int efx_ethtool_reset(struct net_device *net_dev, u32 *flags)
712 struct efx_nic *efx = netdev_priv(net_dev);
715 rc = efx->type->map_reset_flags(flags);
719 return efx_reset(efx, rc);
722 /* MAC address mask including only I/G bit */
723 static const u8 mac_addr_ig_mask[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
725 #define IP4_ADDR_FULL_MASK ((__force __be32)~0)
726 #define PORT_FULL_MASK ((__force __be16)~0)
727 #define ETHER_TYPE_FULL_MASK ((__force __be16)~0)
729 static int efx_ethtool_get_class_rule(struct efx_nic *efx,
730 struct ethtool_rx_flow_spec *rule)
732 struct ethtool_tcpip4_spec *ip_entry = &rule->h_u.tcp_ip4_spec;
733 struct ethtool_tcpip4_spec *ip_mask = &rule->m_u.tcp_ip4_spec;
734 struct ethhdr *mac_entry = &rule->h_u.ether_spec;
735 struct ethhdr *mac_mask = &rule->m_u.ether_spec;
736 struct efx_filter_spec spec;
739 rc = efx_filter_get_filter_safe(efx, EFX_FILTER_PRI_MANUAL,
740 rule->location, &spec);
744 if (spec.dmaq_id == EFX_FILTER_RX_DMAQ_ID_DROP)
745 rule->ring_cookie = RX_CLS_FLOW_DISC;
747 rule->ring_cookie = spec.dmaq_id;
749 if ((spec.match_flags & EFX_FILTER_MATCH_ETHER_TYPE) &&
750 spec.ether_type == htons(ETH_P_IP) &&
751 (spec.match_flags & EFX_FILTER_MATCH_IP_PROTO) &&
752 (spec.ip_proto == IPPROTO_TCP || spec.ip_proto == IPPROTO_UDP) &&
754 ~(EFX_FILTER_MATCH_ETHER_TYPE | EFX_FILTER_MATCH_OUTER_VID |
755 EFX_FILTER_MATCH_LOC_HOST | EFX_FILTER_MATCH_REM_HOST |
756 EFX_FILTER_MATCH_IP_PROTO |
757 EFX_FILTER_MATCH_LOC_PORT | EFX_FILTER_MATCH_REM_PORT))) {
758 rule->flow_type = ((spec.ip_proto == IPPROTO_TCP) ?
759 TCP_V4_FLOW : UDP_V4_FLOW);
760 if (spec.match_flags & EFX_FILTER_MATCH_LOC_HOST) {
761 ip_entry->ip4dst = spec.loc_host[0];
762 ip_mask->ip4dst = IP4_ADDR_FULL_MASK;
764 if (spec.match_flags & EFX_FILTER_MATCH_REM_HOST) {
765 ip_entry->ip4src = spec.rem_host[0];
766 ip_mask->ip4src = IP4_ADDR_FULL_MASK;
768 if (spec.match_flags & EFX_FILTER_MATCH_LOC_PORT) {
769 ip_entry->pdst = spec.loc_port;
770 ip_mask->pdst = PORT_FULL_MASK;
772 if (spec.match_flags & EFX_FILTER_MATCH_REM_PORT) {
773 ip_entry->psrc = spec.rem_port;
774 ip_mask->psrc = PORT_FULL_MASK;
776 } else if (!(spec.match_flags &
777 ~(EFX_FILTER_MATCH_LOC_MAC | EFX_FILTER_MATCH_LOC_MAC_IG |
778 EFX_FILTER_MATCH_REM_MAC | EFX_FILTER_MATCH_ETHER_TYPE |
779 EFX_FILTER_MATCH_OUTER_VID))) {
780 rule->flow_type = ETHER_FLOW;
781 if (spec.match_flags &
782 (EFX_FILTER_MATCH_LOC_MAC | EFX_FILTER_MATCH_LOC_MAC_IG)) {
783 memcpy(mac_entry->h_dest, spec.loc_mac, ETH_ALEN);
784 if (spec.match_flags & EFX_FILTER_MATCH_LOC_MAC)
785 memset(mac_mask->h_dest, ~0, ETH_ALEN);
787 memcpy(mac_mask->h_dest, mac_addr_ig_mask,
790 if (spec.match_flags & EFX_FILTER_MATCH_REM_MAC) {
791 memcpy(mac_entry->h_source, spec.rem_mac, ETH_ALEN);
792 memset(mac_mask->h_source, ~0, ETH_ALEN);
794 if (spec.match_flags & EFX_FILTER_MATCH_ETHER_TYPE) {
795 mac_entry->h_proto = spec.ether_type;
796 mac_mask->h_proto = ETHER_TYPE_FULL_MASK;
799 /* The above should handle all filters that we insert */
804 if (spec.match_flags & EFX_FILTER_MATCH_OUTER_VID) {
805 rule->flow_type |= FLOW_EXT;
806 rule->h_ext.vlan_tci = spec.outer_vid;
807 rule->m_ext.vlan_tci = htons(0xfff);
814 efx_ethtool_get_rxnfc(struct net_device *net_dev,
815 struct ethtool_rxnfc *info, u32 *rule_locs)
817 struct efx_nic *efx = netdev_priv(net_dev);
820 case ETHTOOL_GRXRINGS:
821 info->data = efx->n_rx_channels;
824 case ETHTOOL_GRXFH: {
825 unsigned min_revision = 0;
828 switch (info->flow_type) {
830 info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
836 info->data |= RXH_IP_SRC | RXH_IP_DST;
837 min_revision = EFX_REV_FALCON_B0;
840 info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
846 info->data |= RXH_IP_SRC | RXH_IP_DST;
847 min_revision = EFX_REV_SIENA_A0;
852 if (efx_nic_rev(efx) < min_revision)
857 case ETHTOOL_GRXCLSRLCNT:
858 info->data = efx_filter_get_rx_id_limit(efx);
861 info->data |= RX_CLS_LOC_SPECIAL;
863 efx_filter_count_rx_used(efx, EFX_FILTER_PRI_MANUAL);
866 case ETHTOOL_GRXCLSRULE:
867 if (efx_filter_get_rx_id_limit(efx) == 0)
869 return efx_ethtool_get_class_rule(efx, &info->fs);
871 case ETHTOOL_GRXCLSRLALL: {
873 info->data = efx_filter_get_rx_id_limit(efx);
876 rc = efx_filter_get_rx_ids(efx, EFX_FILTER_PRI_MANUAL,
877 rule_locs, info->rule_cnt);
889 static int efx_ethtool_set_class_rule(struct efx_nic *efx,
890 struct ethtool_rx_flow_spec *rule)
892 struct ethtool_tcpip4_spec *ip_entry = &rule->h_u.tcp_ip4_spec;
893 struct ethtool_tcpip4_spec *ip_mask = &rule->m_u.tcp_ip4_spec;
894 struct ethhdr *mac_entry = &rule->h_u.ether_spec;
895 struct ethhdr *mac_mask = &rule->m_u.ether_spec;
896 struct efx_filter_spec spec;
899 /* Check that user wants us to choose the location */
900 if (rule->location != RX_CLS_LOC_ANY)
903 /* Range-check ring_cookie */
904 if (rule->ring_cookie >= efx->n_rx_channels &&
905 rule->ring_cookie != RX_CLS_FLOW_DISC)
908 /* Check for unsupported extensions */
909 if ((rule->flow_type & FLOW_EXT) &&
910 (rule->m_ext.vlan_etype || rule->m_ext.data[0] ||
911 rule->m_ext.data[1]))
914 efx_filter_init_rx(&spec, EFX_FILTER_PRI_MANUAL,
915 efx->rx_scatter ? EFX_FILTER_FLAG_RX_SCATTER : 0,
916 (rule->ring_cookie == RX_CLS_FLOW_DISC) ?
917 EFX_FILTER_RX_DMAQ_ID_DROP : rule->ring_cookie);
919 switch (rule->flow_type & ~FLOW_EXT) {
922 spec.match_flags = (EFX_FILTER_MATCH_ETHER_TYPE |
923 EFX_FILTER_MATCH_IP_PROTO);
924 spec.ether_type = htons(ETH_P_IP);
925 spec.ip_proto = ((rule->flow_type & ~FLOW_EXT) == TCP_V4_FLOW ?
926 IPPROTO_TCP : IPPROTO_UDP);
927 if (ip_mask->ip4dst) {
928 if (ip_mask->ip4dst != IP4_ADDR_FULL_MASK)
930 spec.match_flags |= EFX_FILTER_MATCH_LOC_HOST;
931 spec.loc_host[0] = ip_entry->ip4dst;
933 if (ip_mask->ip4src) {
934 if (ip_mask->ip4src != IP4_ADDR_FULL_MASK)
936 spec.match_flags |= EFX_FILTER_MATCH_REM_HOST;
937 spec.rem_host[0] = ip_entry->ip4src;
940 if (ip_mask->pdst != PORT_FULL_MASK)
942 spec.match_flags |= EFX_FILTER_MATCH_LOC_PORT;
943 spec.loc_port = ip_entry->pdst;
946 if (ip_mask->psrc != PORT_FULL_MASK)
948 spec.match_flags |= EFX_FILTER_MATCH_REM_PORT;
949 spec.rem_port = ip_entry->psrc;
956 if (!is_zero_ether_addr(mac_mask->h_dest)) {
957 if (ether_addr_equal(mac_mask->h_dest,
959 spec.match_flags |= EFX_FILTER_MATCH_LOC_MAC_IG;
960 else if (is_broadcast_ether_addr(mac_mask->h_dest))
961 spec.match_flags |= EFX_FILTER_MATCH_LOC_MAC;
964 memcpy(spec.loc_mac, mac_entry->h_dest, ETH_ALEN);
966 if (!is_zero_ether_addr(mac_mask->h_source)) {
967 if (!is_broadcast_ether_addr(mac_mask->h_source))
969 spec.match_flags |= EFX_FILTER_MATCH_REM_MAC;
970 memcpy(spec.rem_mac, mac_entry->h_source, ETH_ALEN);
972 if (mac_mask->h_proto) {
973 if (mac_mask->h_proto != ETHER_TYPE_FULL_MASK)
975 spec.match_flags |= EFX_FILTER_MATCH_ETHER_TYPE;
976 spec.ether_type = mac_entry->h_proto;
984 if ((rule->flow_type & FLOW_EXT) && rule->m_ext.vlan_tci) {
985 if (rule->m_ext.vlan_tci != htons(0xfff))
987 spec.match_flags |= EFX_FILTER_MATCH_OUTER_VID;
988 spec.outer_vid = rule->h_ext.vlan_tci;
991 rc = efx_filter_insert_filter(efx, &spec, true);
999 static int efx_ethtool_set_rxnfc(struct net_device *net_dev,
1000 struct ethtool_rxnfc *info)
1002 struct efx_nic *efx = netdev_priv(net_dev);
1004 if (efx_filter_get_rx_id_limit(efx) == 0)
1007 switch (info->cmd) {
1008 case ETHTOOL_SRXCLSRLINS:
1009 return efx_ethtool_set_class_rule(efx, &info->fs);
1011 case ETHTOOL_SRXCLSRLDEL:
1012 return efx_filter_remove_id_safe(efx, EFX_FILTER_PRI_MANUAL,
1020 static u32 efx_ethtool_get_rxfh_indir_size(struct net_device *net_dev)
1022 struct efx_nic *efx = netdev_priv(net_dev);
1024 return ((efx_nic_rev(efx) < EFX_REV_FALCON_B0 ||
1025 efx->n_rx_channels == 1) ?
1026 0 : ARRAY_SIZE(efx->rx_indir_table));
1029 static int efx_ethtool_get_rxfh_indir(struct net_device *net_dev, u32 *indir)
1031 struct efx_nic *efx = netdev_priv(net_dev);
1033 memcpy(indir, efx->rx_indir_table, sizeof(efx->rx_indir_table));
1037 static int efx_ethtool_set_rxfh_indir(struct net_device *net_dev,
1040 struct efx_nic *efx = netdev_priv(net_dev);
1042 memcpy(efx->rx_indir_table, indir, sizeof(efx->rx_indir_table));
1043 efx->type->rx_push_rss_config(efx);
1047 static int efx_ethtool_get_ts_info(struct net_device *net_dev,
1048 struct ethtool_ts_info *ts_info)
1050 struct efx_nic *efx = netdev_priv(net_dev);
1052 /* Software capabilities */
1053 ts_info->so_timestamping = (SOF_TIMESTAMPING_RX_SOFTWARE |
1054 SOF_TIMESTAMPING_SOFTWARE);
1055 ts_info->phc_index = -1;
1057 efx_ptp_get_ts_info(efx, ts_info);
1061 static int efx_ethtool_get_module_eeprom(struct net_device *net_dev,
1062 struct ethtool_eeprom *ee,
1065 struct efx_nic *efx = netdev_priv(net_dev);
1068 if (!efx->phy_op || !efx->phy_op->get_module_eeprom)
1071 mutex_lock(&efx->mac_lock);
1072 ret = efx->phy_op->get_module_eeprom(efx, ee, data);
1073 mutex_unlock(&efx->mac_lock);
1078 static int efx_ethtool_get_module_info(struct net_device *net_dev,
1079 struct ethtool_modinfo *modinfo)
1081 struct efx_nic *efx = netdev_priv(net_dev);
1084 if (!efx->phy_op || !efx->phy_op->get_module_info)
1087 mutex_lock(&efx->mac_lock);
1088 ret = efx->phy_op->get_module_info(efx, modinfo);
1089 mutex_unlock(&efx->mac_lock);
1094 const struct ethtool_ops efx_ethtool_ops = {
1095 .get_settings = efx_ethtool_get_settings,
1096 .set_settings = efx_ethtool_set_settings,
1097 .get_drvinfo = efx_ethtool_get_drvinfo,
1098 .get_regs_len = efx_ethtool_get_regs_len,
1099 .get_regs = efx_ethtool_get_regs,
1100 .get_msglevel = efx_ethtool_get_msglevel,
1101 .set_msglevel = efx_ethtool_set_msglevel,
1102 .nway_reset = efx_ethtool_nway_reset,
1103 .get_link = ethtool_op_get_link,
1104 .get_coalesce = efx_ethtool_get_coalesce,
1105 .set_coalesce = efx_ethtool_set_coalesce,
1106 .get_ringparam = efx_ethtool_get_ringparam,
1107 .set_ringparam = efx_ethtool_set_ringparam,
1108 .get_pauseparam = efx_ethtool_get_pauseparam,
1109 .set_pauseparam = efx_ethtool_set_pauseparam,
1110 .get_sset_count = efx_ethtool_get_sset_count,
1111 .self_test = efx_ethtool_self_test,
1112 .get_strings = efx_ethtool_get_strings,
1113 .set_phys_id = efx_ethtool_phys_id,
1114 .get_ethtool_stats = efx_ethtool_get_stats,
1115 .get_wol = efx_ethtool_get_wol,
1116 .set_wol = efx_ethtool_set_wol,
1117 .reset = efx_ethtool_reset,
1118 .get_rxnfc = efx_ethtool_get_rxnfc,
1119 .set_rxnfc = efx_ethtool_set_rxnfc,
1120 .get_rxfh_indir_size = efx_ethtool_get_rxfh_indir_size,
1121 .get_rxfh_indir = efx_ethtool_get_rxfh_indir,
1122 .set_rxfh_indir = efx_ethtool_set_rxfh_indir,
1123 .get_ts_info = efx_ethtool_get_ts_info,
1124 .get_module_info = efx_ethtool_get_module_info,
1125 .get_module_eeprom = efx_ethtool_get_module_eeprom,