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_ATOMIC_NIC_ERROR_STAT(rx_reset),
74 EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_tobe_disc),
75 EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_ip_hdr_chksum_err),
76 EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_tcp_udp_chksum_err),
77 EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_mcast_mismatch),
78 EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_frm_trunc),
79 EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_nodesc_trunc),
80 EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_merge_events),
81 EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_merge_packets),
84 #define EFX_ETHTOOL_SW_STAT_COUNT ARRAY_SIZE(efx_sw_stat_desc)
86 #define EFX_ETHTOOL_EEPROM_MAGIC 0xEFAB
88 /**************************************************************************
92 **************************************************************************
95 /* Identify device by flashing LEDs */
96 static int efx_ethtool_phys_id(struct net_device *net_dev,
97 enum ethtool_phys_id_state state)
99 struct efx_nic *efx = netdev_priv(net_dev);
100 enum efx_led_mode mode = EFX_LED_DEFAULT;
109 case ETHTOOL_ID_INACTIVE:
110 mode = EFX_LED_DEFAULT;
112 case ETHTOOL_ID_ACTIVE:
113 return 1; /* cycle on/off once per second */
116 efx->type->set_id_led(efx, mode);
120 /* This must be called with rtnl_lock held. */
121 static int efx_ethtool_get_settings(struct net_device *net_dev,
122 struct ethtool_cmd *ecmd)
124 struct efx_nic *efx = netdev_priv(net_dev);
125 struct efx_link_state *link_state = &efx->link_state;
127 mutex_lock(&efx->mac_lock);
128 efx->phy_op->get_settings(efx, ecmd);
129 mutex_unlock(&efx->mac_lock);
131 /* Both MACs support pause frames (bidirectional and respond-only) */
132 ecmd->supported |= SUPPORTED_Pause | SUPPORTED_Asym_Pause;
134 if (LOOPBACK_INTERNAL(efx)) {
135 ethtool_cmd_speed_set(ecmd, link_state->speed);
136 ecmd->duplex = link_state->fd ? DUPLEX_FULL : DUPLEX_HALF;
142 /* This must be called with rtnl_lock held. */
143 static int efx_ethtool_set_settings(struct net_device *net_dev,
144 struct ethtool_cmd *ecmd)
146 struct efx_nic *efx = netdev_priv(net_dev);
149 /* GMAC does not support 1000Mbps HD */
150 if ((ethtool_cmd_speed(ecmd) == SPEED_1000) &&
151 (ecmd->duplex != DUPLEX_FULL)) {
152 netif_dbg(efx, drv, efx->net_dev,
153 "rejecting unsupported 1000Mbps HD setting\n");
157 mutex_lock(&efx->mac_lock);
158 rc = efx->phy_op->set_settings(efx, ecmd);
159 mutex_unlock(&efx->mac_lock);
163 static void efx_ethtool_get_drvinfo(struct net_device *net_dev,
164 struct ethtool_drvinfo *info)
166 struct efx_nic *efx = netdev_priv(net_dev);
168 strlcpy(info->driver, KBUILD_MODNAME, sizeof(info->driver));
169 strlcpy(info->version, EFX_DRIVER_VERSION, sizeof(info->version));
170 if (efx_nic_rev(efx) >= EFX_REV_SIENA_A0)
171 efx_mcdi_print_fwver(efx, info->fw_version,
172 sizeof(info->fw_version));
173 strlcpy(info->bus_info, pci_name(efx->pci_dev), sizeof(info->bus_info));
176 static int efx_ethtool_get_regs_len(struct net_device *net_dev)
178 return efx_nic_get_regs_len(netdev_priv(net_dev));
181 static void efx_ethtool_get_regs(struct net_device *net_dev,
182 struct ethtool_regs *regs, void *buf)
184 struct efx_nic *efx = netdev_priv(net_dev);
186 regs->version = efx->type->revision;
187 efx_nic_get_regs(efx, buf);
190 static u32 efx_ethtool_get_msglevel(struct net_device *net_dev)
192 struct efx_nic *efx = netdev_priv(net_dev);
193 return efx->msg_enable;
196 static void efx_ethtool_set_msglevel(struct net_device *net_dev, u32 msg_enable)
198 struct efx_nic *efx = netdev_priv(net_dev);
199 efx->msg_enable = msg_enable;
203 * efx_fill_test - fill in an individual self-test entry
204 * @test_index: Index of the test
205 * @strings: Ethtool strings, or %NULL
206 * @data: Ethtool test results, or %NULL
207 * @test: Pointer to test result (used only if data != %NULL)
208 * @unit_format: Unit name format (e.g. "chan\%d")
209 * @unit_id: Unit id (e.g. 0 for "chan0")
210 * @test_format: Test name format (e.g. "loopback.\%s.tx.sent")
211 * @test_id: Test id (e.g. "PHYXS" for "loopback.PHYXS.tx_sent")
213 * Fill in an individual self-test entry.
215 static void efx_fill_test(unsigned int test_index, u8 *strings, u64 *data,
216 int *test, const char *unit_format, int unit_id,
217 const char *test_format, const char *test_id)
219 char unit_str[ETH_GSTRING_LEN], test_str[ETH_GSTRING_LEN];
221 /* Fill data value, if applicable */
223 data[test_index] = *test;
225 /* Fill string, if applicable */
227 if (strchr(unit_format, '%'))
228 snprintf(unit_str, sizeof(unit_str),
229 unit_format, unit_id);
231 strcpy(unit_str, unit_format);
232 snprintf(test_str, sizeof(test_str), test_format, test_id);
233 snprintf(strings + test_index * ETH_GSTRING_LEN,
235 "%-6s %-24s", unit_str, test_str);
239 #define EFX_CHANNEL_NAME(_channel) "chan%d", _channel->channel
240 #define EFX_TX_QUEUE_NAME(_tx_queue) "txq%d", _tx_queue->queue
241 #define EFX_RX_QUEUE_NAME(_rx_queue) "rxq%d", _rx_queue->queue
242 #define EFX_LOOPBACK_NAME(_mode, _counter) \
243 "loopback.%s." _counter, STRING_TABLE_LOOKUP(_mode, efx_loopback_mode)
246 * efx_fill_loopback_test - fill in a block of loopback self-test entries
248 * @lb_tests: Efx loopback self-test results structure
249 * @mode: Loopback test mode
250 * @test_index: Starting index of the test
251 * @strings: Ethtool strings, or %NULL
252 * @data: Ethtool test results, or %NULL
254 static int efx_fill_loopback_test(struct efx_nic *efx,
255 struct efx_loopback_self_tests *lb_tests,
256 enum efx_loopback_mode mode,
257 unsigned int test_index,
258 u8 *strings, u64 *data)
260 struct efx_channel *channel =
261 efx_get_channel(efx, efx->tx_channel_offset);
262 struct efx_tx_queue *tx_queue;
264 efx_for_each_channel_tx_queue(tx_queue, channel) {
265 efx_fill_test(test_index++, strings, data,
266 &lb_tests->tx_sent[tx_queue->queue],
267 EFX_TX_QUEUE_NAME(tx_queue),
268 EFX_LOOPBACK_NAME(mode, "tx_sent"));
269 efx_fill_test(test_index++, strings, data,
270 &lb_tests->tx_done[tx_queue->queue],
271 EFX_TX_QUEUE_NAME(tx_queue),
272 EFX_LOOPBACK_NAME(mode, "tx_done"));
274 efx_fill_test(test_index++, strings, data,
277 EFX_LOOPBACK_NAME(mode, "rx_good"));
278 efx_fill_test(test_index++, strings, data,
281 EFX_LOOPBACK_NAME(mode, "rx_bad"));
287 * efx_ethtool_fill_self_tests - get self-test details
289 * @tests: Efx self-test results structure, or %NULL
290 * @strings: Ethtool strings, or %NULL
291 * @data: Ethtool test results, or %NULL
293 static int efx_ethtool_fill_self_tests(struct efx_nic *efx,
294 struct efx_self_tests *tests,
295 u8 *strings, u64 *data)
297 struct efx_channel *channel;
298 unsigned int n = 0, i;
299 enum efx_loopback_mode mode;
301 efx_fill_test(n++, strings, data, &tests->phy_alive,
302 "phy", 0, "alive", NULL);
303 efx_fill_test(n++, strings, data, &tests->nvram,
304 "core", 0, "nvram", NULL);
305 efx_fill_test(n++, strings, data, &tests->interrupt,
306 "core", 0, "interrupt", NULL);
309 efx_for_each_channel(channel, efx) {
310 efx_fill_test(n++, strings, data,
311 &tests->eventq_dma[channel->channel],
312 EFX_CHANNEL_NAME(channel),
314 efx_fill_test(n++, strings, data,
315 &tests->eventq_int[channel->channel],
316 EFX_CHANNEL_NAME(channel),
320 efx_fill_test(n++, strings, data, &tests->registers,
321 "core", 0, "registers", NULL);
323 if (efx->phy_op->run_tests != NULL) {
324 EFX_BUG_ON_PARANOID(efx->phy_op->test_name == NULL);
326 for (i = 0; true; ++i) {
329 EFX_BUG_ON_PARANOID(i >= EFX_MAX_PHY_TESTS);
330 name = efx->phy_op->test_name(efx, i);
334 efx_fill_test(n++, strings, data, &tests->phy_ext[i],
335 "phy", 0, name, NULL);
340 for (mode = LOOPBACK_NONE; mode <= LOOPBACK_TEST_MAX; mode++) {
341 if (!(efx->loopback_modes & (1 << mode)))
343 n = efx_fill_loopback_test(efx,
344 &tests->loopback[mode], mode, n,
351 static int efx_ethtool_get_sset_count(struct net_device *net_dev,
354 struct efx_nic *efx = netdev_priv(net_dev);
356 switch (string_set) {
358 return efx->type->describe_stats(efx, NULL) +
359 EFX_ETHTOOL_SW_STAT_COUNT;
361 return efx_ethtool_fill_self_tests(efx, NULL, NULL, NULL);
367 static void efx_ethtool_get_strings(struct net_device *net_dev,
368 u32 string_set, u8 *strings)
370 struct efx_nic *efx = netdev_priv(net_dev);
373 switch (string_set) {
375 strings += (efx->type->describe_stats(efx, strings) *
377 for (i = 0; i < EFX_ETHTOOL_SW_STAT_COUNT; i++)
378 strlcpy(strings + i * ETH_GSTRING_LEN,
379 efx_sw_stat_desc[i].name, ETH_GSTRING_LEN);
382 efx_ethtool_fill_self_tests(efx, NULL, strings, NULL);
385 /* No other string sets */
390 static void efx_ethtool_get_stats(struct net_device *net_dev,
391 struct ethtool_stats *stats,
394 struct efx_nic *efx = netdev_priv(net_dev);
395 const struct efx_sw_stat_desc *stat;
396 struct efx_channel *channel;
397 struct efx_tx_queue *tx_queue;
400 spin_lock_bh(&efx->stats_lock);
402 /* Get NIC statistics */
403 data += efx->type->update_stats(efx, data, NULL);
405 /* Get software statistics */
406 for (i = 0; i < EFX_ETHTOOL_SW_STAT_COUNT; i++) {
407 stat = &efx_sw_stat_desc[i];
408 switch (stat->source) {
409 case EFX_ETHTOOL_STAT_SOURCE_nic:
410 data[i] = stat->get_stat((void *)efx + stat->offset);
412 case EFX_ETHTOOL_STAT_SOURCE_channel:
414 efx_for_each_channel(channel, efx)
415 data[i] += stat->get_stat((void *)channel +
418 case EFX_ETHTOOL_STAT_SOURCE_tx_queue:
420 efx_for_each_channel(channel, efx) {
421 efx_for_each_channel_tx_queue(tx_queue, channel)
423 stat->get_stat((void *)tx_queue
430 spin_unlock_bh(&efx->stats_lock);
433 static void efx_ethtool_self_test(struct net_device *net_dev,
434 struct ethtool_test *test, u64 *data)
436 struct efx_nic *efx = netdev_priv(net_dev);
437 struct efx_self_tests *efx_tests;
441 efx_tests = kzalloc(sizeof(*efx_tests), GFP_KERNEL);
445 if (efx->state != STATE_READY) {
450 netif_info(efx, drv, efx->net_dev, "starting %sline testing\n",
451 (test->flags & ETH_TEST_FL_OFFLINE) ? "off" : "on");
453 /* We need rx buffers and interrupts. */
454 already_up = (efx->net_dev->flags & IFF_UP);
456 rc = dev_open(efx->net_dev);
458 netif_err(efx, drv, efx->net_dev,
459 "failed opening device.\n");
464 rc = efx_selftest(efx, efx_tests, test->flags);
467 dev_close(efx->net_dev);
469 netif_info(efx, drv, efx->net_dev, "%s %sline self-tests\n",
470 rc == 0 ? "passed" : "failed",
471 (test->flags & ETH_TEST_FL_OFFLINE) ? "off" : "on");
474 /* Fill ethtool results structures */
475 efx_ethtool_fill_self_tests(efx, efx_tests, NULL, data);
479 test->flags |= ETH_TEST_FL_FAILED;
482 /* Restart autonegotiation */
483 static int efx_ethtool_nway_reset(struct net_device *net_dev)
485 struct efx_nic *efx = netdev_priv(net_dev);
487 return mdio45_nway_restart(&efx->mdio);
491 * Each channel has a single IRQ and moderation timer, started by any
492 * completion (or other event). Unless the module parameter
493 * separate_tx_channels is set, IRQs and moderation are therefore
494 * shared between RX and TX completions. In this case, when RX IRQ
495 * moderation is explicitly changed then TX IRQ moderation is
496 * automatically changed too, but otherwise we fail if the two values
497 * are requested to be different.
499 * The hardware does not support a limit on the number of completions
500 * before an IRQ, so we do not use the max_frames fields. We should
501 * report and require that max_frames == (usecs != 0), but this would
502 * invalidate existing user documentation.
504 * The hardware does not have distinct settings for interrupt
505 * moderation while the previous IRQ is being handled, so we should
506 * not use the 'irq' fields. However, an earlier developer
507 * misunderstood the meaning of the 'irq' fields and the driver did
508 * not support the standard fields. To avoid invalidating existing
509 * user documentation, we report and accept changes through either the
510 * standard or 'irq' fields. If both are changed at the same time, we
511 * prefer the standard field.
513 * We implement adaptive IRQ moderation, but use a different algorithm
514 * from that assumed in the definition of struct ethtool_coalesce.
515 * Therefore we do not use any of the adaptive moderation parameters
519 static int efx_ethtool_get_coalesce(struct net_device *net_dev,
520 struct ethtool_coalesce *coalesce)
522 struct efx_nic *efx = netdev_priv(net_dev);
523 unsigned int tx_usecs, rx_usecs;
526 efx_get_irq_moderation(efx, &tx_usecs, &rx_usecs, &rx_adaptive);
528 coalesce->tx_coalesce_usecs = tx_usecs;
529 coalesce->tx_coalesce_usecs_irq = tx_usecs;
530 coalesce->rx_coalesce_usecs = rx_usecs;
531 coalesce->rx_coalesce_usecs_irq = rx_usecs;
532 coalesce->use_adaptive_rx_coalesce = rx_adaptive;
537 static int efx_ethtool_set_coalesce(struct net_device *net_dev,
538 struct ethtool_coalesce *coalesce)
540 struct efx_nic *efx = netdev_priv(net_dev);
541 struct efx_channel *channel;
542 unsigned int tx_usecs, rx_usecs;
543 bool adaptive, rx_may_override_tx;
546 if (coalesce->use_adaptive_tx_coalesce)
549 efx_get_irq_moderation(efx, &tx_usecs, &rx_usecs, &adaptive);
551 if (coalesce->rx_coalesce_usecs != rx_usecs)
552 rx_usecs = coalesce->rx_coalesce_usecs;
554 rx_usecs = coalesce->rx_coalesce_usecs_irq;
556 adaptive = coalesce->use_adaptive_rx_coalesce;
558 /* If channels are shared, TX IRQ moderation can be quietly
559 * overridden unless it is changed from its old value.
561 rx_may_override_tx = (coalesce->tx_coalesce_usecs == tx_usecs &&
562 coalesce->tx_coalesce_usecs_irq == tx_usecs);
563 if (coalesce->tx_coalesce_usecs != tx_usecs)
564 tx_usecs = coalesce->tx_coalesce_usecs;
566 tx_usecs = coalesce->tx_coalesce_usecs_irq;
568 rc = efx_init_irq_moderation(efx, tx_usecs, rx_usecs, adaptive,
573 efx_for_each_channel(channel, efx)
574 efx->type->push_irq_moderation(channel);
579 static void efx_ethtool_get_ringparam(struct net_device *net_dev,
580 struct ethtool_ringparam *ring)
582 struct efx_nic *efx = netdev_priv(net_dev);
584 ring->rx_max_pending = EFX_MAX_DMAQ_SIZE;
585 ring->tx_max_pending = EFX_MAX_DMAQ_SIZE;
586 ring->rx_pending = efx->rxq_entries;
587 ring->tx_pending = efx->txq_entries;
590 static int efx_ethtool_set_ringparam(struct net_device *net_dev,
591 struct ethtool_ringparam *ring)
593 struct efx_nic *efx = netdev_priv(net_dev);
596 if (ring->rx_mini_pending || ring->rx_jumbo_pending ||
597 ring->rx_pending > EFX_MAX_DMAQ_SIZE ||
598 ring->tx_pending > EFX_MAX_DMAQ_SIZE)
601 if (ring->rx_pending < EFX_RXQ_MIN_ENT) {
602 netif_err(efx, drv, efx->net_dev,
603 "RX queues cannot be smaller than %u\n",
608 txq_entries = max(ring->tx_pending, EFX_TXQ_MIN_ENT(efx));
609 if (txq_entries != ring->tx_pending)
610 netif_warn(efx, drv, efx->net_dev,
611 "increasing TX queue size to minimum of %u\n",
614 return efx_realloc_channels(efx, ring->rx_pending, txq_entries);
617 static int efx_ethtool_set_pauseparam(struct net_device *net_dev,
618 struct ethtool_pauseparam *pause)
620 struct efx_nic *efx = netdev_priv(net_dev);
621 u8 wanted_fc, old_fc;
625 mutex_lock(&efx->mac_lock);
627 wanted_fc = ((pause->rx_pause ? EFX_FC_RX : 0) |
628 (pause->tx_pause ? EFX_FC_TX : 0) |
629 (pause->autoneg ? EFX_FC_AUTO : 0));
631 if ((wanted_fc & EFX_FC_TX) && !(wanted_fc & EFX_FC_RX)) {
632 netif_dbg(efx, drv, efx->net_dev,
633 "Flow control unsupported: tx ON rx OFF\n");
638 if ((wanted_fc & EFX_FC_AUTO) && !efx->link_advertising) {
639 netif_dbg(efx, drv, efx->net_dev,
640 "Autonegotiation is disabled\n");
645 /* Hook for Falcon bug 11482 workaround */
646 if (efx->type->prepare_enable_fc_tx &&
647 (wanted_fc & EFX_FC_TX) && !(efx->wanted_fc & EFX_FC_TX))
648 efx->type->prepare_enable_fc_tx(efx);
650 old_adv = efx->link_advertising;
651 old_fc = efx->wanted_fc;
652 efx_link_set_wanted_fc(efx, wanted_fc);
653 if (efx->link_advertising != old_adv ||
654 (efx->wanted_fc ^ old_fc) & EFX_FC_AUTO) {
655 rc = efx->phy_op->reconfigure(efx);
657 netif_err(efx, drv, efx->net_dev,
658 "Unable to advertise requested flow "
659 "control setting\n");
664 /* Reconfigure the MAC. The PHY *may* generate a link state change event
665 * if the user just changed the advertised capabilities, but there's no
666 * harm doing this twice */
667 efx->type->reconfigure_mac(efx);
670 mutex_unlock(&efx->mac_lock);
675 static void efx_ethtool_get_pauseparam(struct net_device *net_dev,
676 struct ethtool_pauseparam *pause)
678 struct efx_nic *efx = netdev_priv(net_dev);
680 pause->rx_pause = !!(efx->wanted_fc & EFX_FC_RX);
681 pause->tx_pause = !!(efx->wanted_fc & EFX_FC_TX);
682 pause->autoneg = !!(efx->wanted_fc & EFX_FC_AUTO);
686 static void efx_ethtool_get_wol(struct net_device *net_dev,
687 struct ethtool_wolinfo *wol)
689 struct efx_nic *efx = netdev_priv(net_dev);
690 return efx->type->get_wol(efx, wol);
694 static int efx_ethtool_set_wol(struct net_device *net_dev,
695 struct ethtool_wolinfo *wol)
697 struct efx_nic *efx = netdev_priv(net_dev);
698 return efx->type->set_wol(efx, wol->wolopts);
701 static int efx_ethtool_reset(struct net_device *net_dev, u32 *flags)
703 struct efx_nic *efx = netdev_priv(net_dev);
706 rc = efx->type->map_reset_flags(flags);
710 return efx_reset(efx, rc);
713 /* MAC address mask including only I/G bit */
714 static const u8 mac_addr_ig_mask[ETH_ALEN] = { 0x01, 0, 0, 0, 0, 0 };
716 #define IP4_ADDR_FULL_MASK ((__force __be32)~0)
717 #define PORT_FULL_MASK ((__force __be16)~0)
718 #define ETHER_TYPE_FULL_MASK ((__force __be16)~0)
720 static int efx_ethtool_get_class_rule(struct efx_nic *efx,
721 struct ethtool_rx_flow_spec *rule)
723 struct ethtool_tcpip4_spec *ip_entry = &rule->h_u.tcp_ip4_spec;
724 struct ethtool_tcpip4_spec *ip_mask = &rule->m_u.tcp_ip4_spec;
725 struct ethhdr *mac_entry = &rule->h_u.ether_spec;
726 struct ethhdr *mac_mask = &rule->m_u.ether_spec;
727 struct efx_filter_spec spec;
730 rc = efx_filter_get_filter_safe(efx, EFX_FILTER_PRI_MANUAL,
731 rule->location, &spec);
735 if (spec.dmaq_id == EFX_FILTER_RX_DMAQ_ID_DROP)
736 rule->ring_cookie = RX_CLS_FLOW_DISC;
738 rule->ring_cookie = spec.dmaq_id;
740 if ((spec.match_flags & EFX_FILTER_MATCH_ETHER_TYPE) &&
741 spec.ether_type == htons(ETH_P_IP) &&
742 (spec.match_flags & EFX_FILTER_MATCH_IP_PROTO) &&
743 (spec.ip_proto == IPPROTO_TCP || spec.ip_proto == IPPROTO_UDP) &&
745 ~(EFX_FILTER_MATCH_ETHER_TYPE | EFX_FILTER_MATCH_OUTER_VID |
746 EFX_FILTER_MATCH_LOC_HOST | EFX_FILTER_MATCH_REM_HOST |
747 EFX_FILTER_MATCH_IP_PROTO |
748 EFX_FILTER_MATCH_LOC_PORT | EFX_FILTER_MATCH_REM_PORT))) {
749 rule->flow_type = ((spec.ip_proto == IPPROTO_TCP) ?
750 TCP_V4_FLOW : UDP_V4_FLOW);
751 if (spec.match_flags & EFX_FILTER_MATCH_LOC_HOST) {
752 ip_entry->ip4dst = spec.loc_host[0];
753 ip_mask->ip4dst = IP4_ADDR_FULL_MASK;
755 if (spec.match_flags & EFX_FILTER_MATCH_REM_HOST) {
756 ip_entry->ip4src = spec.rem_host[0];
757 ip_mask->ip4src = IP4_ADDR_FULL_MASK;
759 if (spec.match_flags & EFX_FILTER_MATCH_LOC_PORT) {
760 ip_entry->pdst = spec.loc_port;
761 ip_mask->pdst = PORT_FULL_MASK;
763 if (spec.match_flags & EFX_FILTER_MATCH_REM_PORT) {
764 ip_entry->psrc = spec.rem_port;
765 ip_mask->psrc = PORT_FULL_MASK;
767 } else if (!(spec.match_flags &
768 ~(EFX_FILTER_MATCH_LOC_MAC | EFX_FILTER_MATCH_LOC_MAC_IG |
769 EFX_FILTER_MATCH_REM_MAC | EFX_FILTER_MATCH_ETHER_TYPE |
770 EFX_FILTER_MATCH_OUTER_VID))) {
771 rule->flow_type = ETHER_FLOW;
772 if (spec.match_flags &
773 (EFX_FILTER_MATCH_LOC_MAC | EFX_FILTER_MATCH_LOC_MAC_IG)) {
774 memcpy(mac_entry->h_dest, spec.loc_mac, ETH_ALEN);
775 if (spec.match_flags & EFX_FILTER_MATCH_LOC_MAC)
776 memset(mac_mask->h_dest, ~0, ETH_ALEN);
778 memcpy(mac_mask->h_dest, mac_addr_ig_mask,
781 if (spec.match_flags & EFX_FILTER_MATCH_REM_MAC) {
782 memcpy(mac_entry->h_source, spec.rem_mac, ETH_ALEN);
783 memset(mac_mask->h_source, ~0, ETH_ALEN);
785 if (spec.match_flags & EFX_FILTER_MATCH_ETHER_TYPE) {
786 mac_entry->h_proto = spec.ether_type;
787 mac_mask->h_proto = ETHER_TYPE_FULL_MASK;
790 /* The above should handle all filters that we insert */
795 if (spec.match_flags & EFX_FILTER_MATCH_OUTER_VID) {
796 rule->flow_type |= FLOW_EXT;
797 rule->h_ext.vlan_tci = spec.outer_vid;
798 rule->m_ext.vlan_tci = htons(0xfff);
805 efx_ethtool_get_rxnfc(struct net_device *net_dev,
806 struct ethtool_rxnfc *info, u32 *rule_locs)
808 struct efx_nic *efx = netdev_priv(net_dev);
811 case ETHTOOL_GRXRINGS:
812 info->data = efx->n_rx_channels;
815 case ETHTOOL_GRXFH: {
816 unsigned min_revision = 0;
819 switch (info->flow_type) {
821 info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
827 info->data |= RXH_IP_SRC | RXH_IP_DST;
828 min_revision = EFX_REV_FALCON_B0;
831 info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
837 info->data |= RXH_IP_SRC | RXH_IP_DST;
838 min_revision = EFX_REV_SIENA_A0;
843 if (efx_nic_rev(efx) < min_revision)
848 case ETHTOOL_GRXCLSRLCNT:
849 info->data = efx_filter_get_rx_id_limit(efx);
852 info->data |= RX_CLS_LOC_SPECIAL;
854 efx_filter_count_rx_used(efx, EFX_FILTER_PRI_MANUAL);
857 case ETHTOOL_GRXCLSRULE:
858 if (efx_filter_get_rx_id_limit(efx) == 0)
860 return efx_ethtool_get_class_rule(efx, &info->fs);
862 case ETHTOOL_GRXCLSRLALL: {
864 info->data = efx_filter_get_rx_id_limit(efx);
867 rc = efx_filter_get_rx_ids(efx, EFX_FILTER_PRI_MANUAL,
868 rule_locs, info->rule_cnt);
880 static int efx_ethtool_set_class_rule(struct efx_nic *efx,
881 struct ethtool_rx_flow_spec *rule)
883 struct ethtool_tcpip4_spec *ip_entry = &rule->h_u.tcp_ip4_spec;
884 struct ethtool_tcpip4_spec *ip_mask = &rule->m_u.tcp_ip4_spec;
885 struct ethhdr *mac_entry = &rule->h_u.ether_spec;
886 struct ethhdr *mac_mask = &rule->m_u.ether_spec;
887 struct efx_filter_spec spec;
890 /* Check that user wants us to choose the location */
891 if (rule->location != RX_CLS_LOC_ANY)
894 /* Range-check ring_cookie */
895 if (rule->ring_cookie >= efx->n_rx_channels &&
896 rule->ring_cookie != RX_CLS_FLOW_DISC)
899 /* Check for unsupported extensions */
900 if ((rule->flow_type & FLOW_EXT) &&
901 (rule->m_ext.vlan_etype || rule->m_ext.data[0] ||
902 rule->m_ext.data[1]))
905 efx_filter_init_rx(&spec, EFX_FILTER_PRI_MANUAL,
906 efx->rx_scatter ? EFX_FILTER_FLAG_RX_SCATTER : 0,
907 (rule->ring_cookie == RX_CLS_FLOW_DISC) ?
908 EFX_FILTER_RX_DMAQ_ID_DROP : rule->ring_cookie);
910 switch (rule->flow_type & ~FLOW_EXT) {
913 spec.match_flags = (EFX_FILTER_MATCH_ETHER_TYPE |
914 EFX_FILTER_MATCH_IP_PROTO);
915 spec.ether_type = htons(ETH_P_IP);
916 spec.ip_proto = ((rule->flow_type & ~FLOW_EXT) == TCP_V4_FLOW ?
917 IPPROTO_TCP : IPPROTO_UDP);
918 if (ip_mask->ip4dst) {
919 if (ip_mask->ip4dst != IP4_ADDR_FULL_MASK)
921 spec.match_flags |= EFX_FILTER_MATCH_LOC_HOST;
922 spec.loc_host[0] = ip_entry->ip4dst;
924 if (ip_mask->ip4src) {
925 if (ip_mask->ip4src != IP4_ADDR_FULL_MASK)
927 spec.match_flags |= EFX_FILTER_MATCH_REM_HOST;
928 spec.rem_host[0] = ip_entry->ip4src;
931 if (ip_mask->pdst != PORT_FULL_MASK)
933 spec.match_flags |= EFX_FILTER_MATCH_LOC_PORT;
934 spec.loc_port = ip_entry->pdst;
937 if (ip_mask->psrc != PORT_FULL_MASK)
939 spec.match_flags |= EFX_FILTER_MATCH_REM_PORT;
940 spec.rem_port = ip_entry->psrc;
947 if (!is_zero_ether_addr(mac_mask->h_dest)) {
948 if (ether_addr_equal(mac_mask->h_dest,
950 spec.match_flags |= EFX_FILTER_MATCH_LOC_MAC_IG;
951 else if (is_broadcast_ether_addr(mac_mask->h_dest))
952 spec.match_flags |= EFX_FILTER_MATCH_LOC_MAC;
955 memcpy(spec.loc_mac, mac_entry->h_dest, ETH_ALEN);
957 if (!is_zero_ether_addr(mac_mask->h_source)) {
958 if (!is_broadcast_ether_addr(mac_mask->h_source))
960 spec.match_flags |= EFX_FILTER_MATCH_REM_MAC;
961 memcpy(spec.rem_mac, mac_entry->h_source, ETH_ALEN);
963 if (mac_mask->h_proto) {
964 if (mac_mask->h_proto != ETHER_TYPE_FULL_MASK)
966 spec.match_flags |= EFX_FILTER_MATCH_ETHER_TYPE;
967 spec.ether_type = mac_entry->h_proto;
975 if ((rule->flow_type & FLOW_EXT) && rule->m_ext.vlan_tci) {
976 if (rule->m_ext.vlan_tci != htons(0xfff))
978 spec.match_flags |= EFX_FILTER_MATCH_OUTER_VID;
979 spec.outer_vid = rule->h_ext.vlan_tci;
982 rc = efx_filter_insert_filter(efx, &spec, true);
990 static int efx_ethtool_set_rxnfc(struct net_device *net_dev,
991 struct ethtool_rxnfc *info)
993 struct efx_nic *efx = netdev_priv(net_dev);
995 if (efx_filter_get_rx_id_limit(efx) == 0)
999 case ETHTOOL_SRXCLSRLINS:
1000 return efx_ethtool_set_class_rule(efx, &info->fs);
1002 case ETHTOOL_SRXCLSRLDEL:
1003 return efx_filter_remove_id_safe(efx, EFX_FILTER_PRI_MANUAL,
1011 static u32 efx_ethtool_get_rxfh_indir_size(struct net_device *net_dev)
1013 struct efx_nic *efx = netdev_priv(net_dev);
1015 return ((efx_nic_rev(efx) < EFX_REV_FALCON_B0 ||
1016 efx->n_rx_channels == 1) ?
1017 0 : ARRAY_SIZE(efx->rx_indir_table));
1020 static int efx_ethtool_get_rxfh_indir(struct net_device *net_dev, u32 *indir)
1022 struct efx_nic *efx = netdev_priv(net_dev);
1024 memcpy(indir, efx->rx_indir_table, sizeof(efx->rx_indir_table));
1028 static int efx_ethtool_set_rxfh_indir(struct net_device *net_dev,
1031 struct efx_nic *efx = netdev_priv(net_dev);
1033 memcpy(efx->rx_indir_table, indir, sizeof(efx->rx_indir_table));
1034 efx_nic_push_rx_indir_table(efx);
1038 static int efx_ethtool_get_ts_info(struct net_device *net_dev,
1039 struct ethtool_ts_info *ts_info)
1041 struct efx_nic *efx = netdev_priv(net_dev);
1043 /* Software capabilities */
1044 ts_info->so_timestamping = (SOF_TIMESTAMPING_RX_SOFTWARE |
1045 SOF_TIMESTAMPING_SOFTWARE);
1046 ts_info->phc_index = -1;
1048 efx_ptp_get_ts_info(efx, ts_info);
1052 static int efx_ethtool_get_module_eeprom(struct net_device *net_dev,
1053 struct ethtool_eeprom *ee,
1056 struct efx_nic *efx = netdev_priv(net_dev);
1059 if (!efx->phy_op || !efx->phy_op->get_module_eeprom)
1062 mutex_lock(&efx->mac_lock);
1063 ret = efx->phy_op->get_module_eeprom(efx, ee, data);
1064 mutex_unlock(&efx->mac_lock);
1069 static int efx_ethtool_get_module_info(struct net_device *net_dev,
1070 struct ethtool_modinfo *modinfo)
1072 struct efx_nic *efx = netdev_priv(net_dev);
1075 if (!efx->phy_op || !efx->phy_op->get_module_info)
1078 mutex_lock(&efx->mac_lock);
1079 ret = efx->phy_op->get_module_info(efx, modinfo);
1080 mutex_unlock(&efx->mac_lock);
1085 const struct ethtool_ops efx_ethtool_ops = {
1086 .get_settings = efx_ethtool_get_settings,
1087 .set_settings = efx_ethtool_set_settings,
1088 .get_drvinfo = efx_ethtool_get_drvinfo,
1089 .get_regs_len = efx_ethtool_get_regs_len,
1090 .get_regs = efx_ethtool_get_regs,
1091 .get_msglevel = efx_ethtool_get_msglevel,
1092 .set_msglevel = efx_ethtool_set_msglevel,
1093 .nway_reset = efx_ethtool_nway_reset,
1094 .get_link = ethtool_op_get_link,
1095 .get_coalesce = efx_ethtool_get_coalesce,
1096 .set_coalesce = efx_ethtool_set_coalesce,
1097 .get_ringparam = efx_ethtool_get_ringparam,
1098 .set_ringparam = efx_ethtool_set_ringparam,
1099 .get_pauseparam = efx_ethtool_get_pauseparam,
1100 .set_pauseparam = efx_ethtool_set_pauseparam,
1101 .get_sset_count = efx_ethtool_get_sset_count,
1102 .self_test = efx_ethtool_self_test,
1103 .get_strings = efx_ethtool_get_strings,
1104 .set_phys_id = efx_ethtool_phys_id,
1105 .get_ethtool_stats = efx_ethtool_get_stats,
1106 .get_wol = efx_ethtool_get_wol,
1107 .set_wol = efx_ethtool_set_wol,
1108 .reset = efx_ethtool_reset,
1109 .get_rxnfc = efx_ethtool_get_rxnfc,
1110 .set_rxnfc = efx_ethtool_set_rxnfc,
1111 .get_rxfh_indir_size = efx_ethtool_get_rxfh_indir_size,
1112 .get_rxfh_indir = efx_ethtool_get_rxfh_indir,
1113 .set_rxfh_indir = efx_ethtool_set_rxfh_indir,
1114 .get_ts_info = efx_ethtool_get_ts_info,
1115 .get_module_info = efx_ethtool_get_module_info,
1116 .get_module_eeprom = efx_ethtool_get_module_eeprom,