2 * Copyright (c) 2007 Mellanox Technologies. All rights reserved.
4 * This software is available to you under a choice of one of two
5 * licenses. You may choose to be licensed under the terms of the GNU
6 * General Public License (GPL) Version 2, available from the file
7 * COPYING in the main directory of this source tree, or the
8 * OpenIB.org BSD license below:
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
14 * - Redistributions of source code must retain the above
15 * copyright notice, this list of conditions and the following
18 * - Redistributions in binary form must reproduce the above
19 * copyright notice, this list of conditions and the following
20 * disclaimer in the documentation and/or other materials
21 * provided with the distribution.
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
34 #include <linux/kernel.h>
35 #include <linux/ethtool.h>
36 #include <linux/netdevice.h>
37 #include <linux/mlx4/driver.h>
44 #define EN_ETHTOOL_QP_ATTACH (1ull << 63)
45 #define EN_ETHTOOL_SHORT_MASK cpu_to_be16(0xffff)
46 #define EN_ETHTOOL_WORD_MASK cpu_to_be32(0xffffffff)
48 static int mlx4_en_moderation_update(struct mlx4_en_priv *priv)
53 for (i = 0; i < priv->tx_ring_num; i++) {
54 priv->tx_cq[i].moder_cnt = priv->tx_frames;
55 priv->tx_cq[i].moder_time = priv->tx_usecs;
56 err = mlx4_en_set_cq_moder(priv, &priv->tx_cq[i]);
61 if (priv->adaptive_rx_coal)
64 for (i = 0; i < priv->rx_ring_num; i++) {
65 priv->rx_cq[i].moder_cnt = priv->rx_frames;
66 priv->rx_cq[i].moder_time = priv->rx_usecs;
67 priv->last_moder_time[i] = MLX4_EN_AUTO_CONF;
68 err = mlx4_en_set_cq_moder(priv, &priv->rx_cq[i]);
77 mlx4_en_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *drvinfo)
79 struct mlx4_en_priv *priv = netdev_priv(dev);
80 struct mlx4_en_dev *mdev = priv->mdev;
82 strlcpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver));
83 strlcpy(drvinfo->version, DRV_VERSION " (" DRV_RELDATE ")",
84 sizeof(drvinfo->version));
85 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
87 (u16) (mdev->dev->caps.fw_ver >> 32),
88 (u16) ((mdev->dev->caps.fw_ver >> 16) & 0xffff),
89 (u16) (mdev->dev->caps.fw_ver & 0xffff));
90 strlcpy(drvinfo->bus_info, pci_name(mdev->dev->pdev),
91 sizeof(drvinfo->bus_info));
93 drvinfo->regdump_len = 0;
94 drvinfo->eedump_len = 0;
97 static const char main_strings[][ETH_GSTRING_LEN] = {
98 "rx_packets", "tx_packets", "rx_bytes", "tx_bytes", "rx_errors",
99 "tx_errors", "rx_dropped", "tx_dropped", "multicast", "collisions",
100 "rx_length_errors", "rx_over_errors", "rx_crc_errors",
101 "rx_frame_errors", "rx_fifo_errors", "rx_missed_errors",
102 "tx_aborted_errors", "tx_carrier_errors", "tx_fifo_errors",
103 "tx_heartbeat_errors", "tx_window_errors",
105 /* port statistics */
107 "queue_stopped", "wake_queue", "tx_timeout", "rx_alloc_failed",
108 "rx_csum_good", "rx_csum_none", "tx_chksum_offload",
110 /* packet statistics */
111 "broadcast", "rx_prio_0", "rx_prio_1", "rx_prio_2", "rx_prio_3",
112 "rx_prio_4", "rx_prio_5", "rx_prio_6", "rx_prio_7", "tx_prio_0",
113 "tx_prio_1", "tx_prio_2", "tx_prio_3", "tx_prio_4", "tx_prio_5",
114 "tx_prio_6", "tx_prio_7",
116 #define NUM_MAIN_STATS 21
117 #define NUM_ALL_STATS (NUM_MAIN_STATS + NUM_PORT_STATS + NUM_PKT_STATS + NUM_PERF_STATS)
119 static const char mlx4_en_test_names[][ETH_GSTRING_LEN]= {
127 static u32 mlx4_en_get_msglevel(struct net_device *dev)
129 return ((struct mlx4_en_priv *) netdev_priv(dev))->msg_enable;
132 static void mlx4_en_set_msglevel(struct net_device *dev, u32 val)
134 ((struct mlx4_en_priv *) netdev_priv(dev))->msg_enable = val;
137 static void mlx4_en_get_wol(struct net_device *netdev,
138 struct ethtool_wolinfo *wol)
140 struct mlx4_en_priv *priv = netdev_priv(netdev);
145 if ((priv->port < 1) || (priv->port > 2)) {
146 en_err(priv, "Failed to get WoL information\n");
150 mask = (priv->port == 1) ? MLX4_DEV_CAP_FLAG_WOL_PORT1 :
151 MLX4_DEV_CAP_FLAG_WOL_PORT2;
153 if (!(priv->mdev->dev->caps.flags & mask)) {
159 err = mlx4_wol_read(priv->mdev->dev, &config, priv->port);
161 en_err(priv, "Failed to get WoL information\n");
165 if (config & MLX4_EN_WOL_MAGIC)
166 wol->supported = WAKE_MAGIC;
170 if (config & MLX4_EN_WOL_ENABLED)
171 wol->wolopts = WAKE_MAGIC;
176 static int mlx4_en_set_wol(struct net_device *netdev,
177 struct ethtool_wolinfo *wol)
179 struct mlx4_en_priv *priv = netdev_priv(netdev);
184 if ((priv->port < 1) || (priv->port > 2))
187 mask = (priv->port == 1) ? MLX4_DEV_CAP_FLAG_WOL_PORT1 :
188 MLX4_DEV_CAP_FLAG_WOL_PORT2;
190 if (!(priv->mdev->dev->caps.flags & mask))
193 if (wol->supported & ~WAKE_MAGIC)
196 err = mlx4_wol_read(priv->mdev->dev, &config, priv->port);
198 en_err(priv, "Failed to get WoL info, unable to modify\n");
202 if (wol->wolopts & WAKE_MAGIC) {
203 config |= MLX4_EN_WOL_DO_MODIFY | MLX4_EN_WOL_ENABLED |
206 config &= ~(MLX4_EN_WOL_ENABLED | MLX4_EN_WOL_MAGIC);
207 config |= MLX4_EN_WOL_DO_MODIFY;
210 err = mlx4_wol_write(priv->mdev->dev, config, priv->port);
212 en_err(priv, "Failed to set WoL information\n");
217 static int mlx4_en_get_sset_count(struct net_device *dev, int sset)
219 struct mlx4_en_priv *priv = netdev_priv(dev);
220 int bit_count = hweight64(priv->stats_bitmap);
224 return (priv->stats_bitmap ? bit_count : NUM_ALL_STATS) +
225 (priv->tx_ring_num * 2) +
226 #ifdef CONFIG_NET_RX_BUSY_POLL
227 (priv->rx_ring_num * 5);
229 (priv->rx_ring_num * 2);
232 return MLX4_EN_NUM_SELF_TEST - !(priv->mdev->dev->caps.flags
233 & MLX4_DEV_CAP_FLAG_UC_LOOPBACK) * 2;
239 static void mlx4_en_get_ethtool_stats(struct net_device *dev,
240 struct ethtool_stats *stats, uint64_t *data)
242 struct mlx4_en_priv *priv = netdev_priv(dev);
246 spin_lock_bh(&priv->stats_lock);
248 if (!(priv->stats_bitmap)) {
249 for (i = 0; i < NUM_MAIN_STATS; i++)
251 ((unsigned long *) &priv->stats)[i];
252 for (i = 0; i < NUM_PORT_STATS; i++)
254 ((unsigned long *) &priv->port_stats)[i];
255 for (i = 0; i < NUM_PKT_STATS; i++)
257 ((unsigned long *) &priv->pkstats)[i];
259 for (i = 0; i < NUM_MAIN_STATS; i++) {
260 if ((priv->stats_bitmap >> j) & 1)
262 ((unsigned long *) &priv->stats)[i];
265 for (i = 0; i < NUM_PORT_STATS; i++) {
266 if ((priv->stats_bitmap >> j) & 1)
268 ((unsigned long *) &priv->port_stats)[i];
272 for (i = 0; i < priv->tx_ring_num; i++) {
273 data[index++] = priv->tx_ring[i].packets;
274 data[index++] = priv->tx_ring[i].bytes;
276 for (i = 0; i < priv->rx_ring_num; i++) {
277 data[index++] = priv->rx_ring[i].packets;
278 data[index++] = priv->rx_ring[i].bytes;
279 #ifdef CONFIG_NET_RX_BUSY_POLL
280 data[index++] = priv->rx_ring[i].yields;
281 data[index++] = priv->rx_ring[i].misses;
282 data[index++] = priv->rx_ring[i].cleaned;
285 spin_unlock_bh(&priv->stats_lock);
289 static void mlx4_en_self_test(struct net_device *dev,
290 struct ethtool_test *etest, u64 *buf)
292 mlx4_en_ex_selftest(dev, &etest->flags, buf);
295 static void mlx4_en_get_strings(struct net_device *dev,
296 uint32_t stringset, uint8_t *data)
298 struct mlx4_en_priv *priv = netdev_priv(dev);
304 for (i = 0; i < MLX4_EN_NUM_SELF_TEST - 2; i++)
305 strcpy(data + i * ETH_GSTRING_LEN, mlx4_en_test_names[i]);
306 if (priv->mdev->dev->caps.flags & MLX4_DEV_CAP_FLAG_UC_LOOPBACK)
307 for (; i < MLX4_EN_NUM_SELF_TEST; i++)
308 strcpy(data + i * ETH_GSTRING_LEN, mlx4_en_test_names[i]);
312 /* Add main counters */
313 if (!priv->stats_bitmap) {
314 for (i = 0; i < NUM_MAIN_STATS; i++)
315 strcpy(data + (index++) * ETH_GSTRING_LEN,
317 for (i = 0; i < NUM_PORT_STATS; i++)
318 strcpy(data + (index++) * ETH_GSTRING_LEN,
321 for (i = 0; i < NUM_PKT_STATS; i++)
322 strcpy(data + (index++) * ETH_GSTRING_LEN,
327 for (i = 0; i < NUM_MAIN_STATS + NUM_PORT_STATS; i++) {
328 if ((priv->stats_bitmap >> i) & 1) {
330 (index++) * ETH_GSTRING_LEN,
333 if (!(priv->stats_bitmap >> i))
336 for (i = 0; i < priv->tx_ring_num; i++) {
337 sprintf(data + (index++) * ETH_GSTRING_LEN,
339 sprintf(data + (index++) * ETH_GSTRING_LEN,
342 for (i = 0; i < priv->rx_ring_num; i++) {
343 sprintf(data + (index++) * ETH_GSTRING_LEN,
345 sprintf(data + (index++) * ETH_GSTRING_LEN,
347 #ifdef CONFIG_NET_RX_BUSY_POLL
348 sprintf(data + (index++) * ETH_GSTRING_LEN,
349 "rx%d_napi_yield", i);
350 sprintf(data + (index++) * ETH_GSTRING_LEN,
352 sprintf(data + (index++) * ETH_GSTRING_LEN,
360 static int mlx4_en_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
362 struct mlx4_en_priv *priv = netdev_priv(dev);
365 cmd->autoneg = AUTONEG_DISABLE;
366 cmd->supported = SUPPORTED_10000baseT_Full;
367 cmd->advertising = ADVERTISED_10000baseT_Full;
369 if (mlx4_en_QUERY_PORT(priv->mdev, priv->port))
372 trans_type = priv->port_state.transciver;
373 if (netif_carrier_ok(dev)) {
374 ethtool_cmd_speed_set(cmd, priv->port_state.link_speed);
375 cmd->duplex = DUPLEX_FULL;
377 ethtool_cmd_speed_set(cmd, -1);
381 if (trans_type > 0 && trans_type <= 0xC) {
382 cmd->port = PORT_FIBRE;
383 cmd->transceiver = XCVR_EXTERNAL;
384 cmd->supported |= SUPPORTED_FIBRE;
385 cmd->advertising |= ADVERTISED_FIBRE;
386 } else if (trans_type == 0x80 || trans_type == 0) {
388 cmd->transceiver = XCVR_INTERNAL;
389 cmd->supported |= SUPPORTED_TP;
390 cmd->advertising |= ADVERTISED_TP;
393 cmd->transceiver = -1;
398 static int mlx4_en_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
400 if ((cmd->autoneg == AUTONEG_ENABLE) ||
401 (ethtool_cmd_speed(cmd) != SPEED_10000) ||
402 (cmd->duplex != DUPLEX_FULL))
405 /* Nothing to change */
409 static int mlx4_en_get_coalesce(struct net_device *dev,
410 struct ethtool_coalesce *coal)
412 struct mlx4_en_priv *priv = netdev_priv(dev);
414 coal->tx_coalesce_usecs = priv->tx_usecs;
415 coal->tx_max_coalesced_frames = priv->tx_frames;
416 coal->rx_coalesce_usecs = priv->rx_usecs;
417 coal->rx_max_coalesced_frames = priv->rx_frames;
419 coal->pkt_rate_low = priv->pkt_rate_low;
420 coal->rx_coalesce_usecs_low = priv->rx_usecs_low;
421 coal->pkt_rate_high = priv->pkt_rate_high;
422 coal->rx_coalesce_usecs_high = priv->rx_usecs_high;
423 coal->rate_sample_interval = priv->sample_interval;
424 coal->use_adaptive_rx_coalesce = priv->adaptive_rx_coal;
428 static int mlx4_en_set_coalesce(struct net_device *dev,
429 struct ethtool_coalesce *coal)
431 struct mlx4_en_priv *priv = netdev_priv(dev);
433 priv->rx_frames = (coal->rx_max_coalesced_frames ==
435 MLX4_EN_RX_COAL_TARGET :
436 coal->rx_max_coalesced_frames;
437 priv->rx_usecs = (coal->rx_coalesce_usecs ==
439 MLX4_EN_RX_COAL_TIME :
440 coal->rx_coalesce_usecs;
442 /* Setting TX coalescing parameters */
443 if (coal->tx_coalesce_usecs != priv->tx_usecs ||
444 coal->tx_max_coalesced_frames != priv->tx_frames) {
445 priv->tx_usecs = coal->tx_coalesce_usecs;
446 priv->tx_frames = coal->tx_max_coalesced_frames;
449 /* Set adaptive coalescing params */
450 priv->pkt_rate_low = coal->pkt_rate_low;
451 priv->rx_usecs_low = coal->rx_coalesce_usecs_low;
452 priv->pkt_rate_high = coal->pkt_rate_high;
453 priv->rx_usecs_high = coal->rx_coalesce_usecs_high;
454 priv->sample_interval = coal->rate_sample_interval;
455 priv->adaptive_rx_coal = coal->use_adaptive_rx_coalesce;
457 return mlx4_en_moderation_update(priv);
460 static int mlx4_en_set_pauseparam(struct net_device *dev,
461 struct ethtool_pauseparam *pause)
463 struct mlx4_en_priv *priv = netdev_priv(dev);
464 struct mlx4_en_dev *mdev = priv->mdev;
467 priv->prof->tx_pause = pause->tx_pause != 0;
468 priv->prof->rx_pause = pause->rx_pause != 0;
469 err = mlx4_SET_PORT_general(mdev->dev, priv->port,
470 priv->rx_skb_size + ETH_FCS_LEN,
471 priv->prof->tx_pause,
473 priv->prof->rx_pause,
476 en_err(priv, "Failed setting pause params\n");
481 static void mlx4_en_get_pauseparam(struct net_device *dev,
482 struct ethtool_pauseparam *pause)
484 struct mlx4_en_priv *priv = netdev_priv(dev);
486 pause->tx_pause = priv->prof->tx_pause;
487 pause->rx_pause = priv->prof->rx_pause;
490 static int mlx4_en_set_ringparam(struct net_device *dev,
491 struct ethtool_ringparam *param)
493 struct mlx4_en_priv *priv = netdev_priv(dev);
494 struct mlx4_en_dev *mdev = priv->mdev;
495 u32 rx_size, tx_size;
499 if (param->rx_jumbo_pending || param->rx_mini_pending)
502 rx_size = roundup_pow_of_two(param->rx_pending);
503 rx_size = max_t(u32, rx_size, MLX4_EN_MIN_RX_SIZE);
504 rx_size = min_t(u32, rx_size, MLX4_EN_MAX_RX_SIZE);
505 tx_size = roundup_pow_of_two(param->tx_pending);
506 tx_size = max_t(u32, tx_size, MLX4_EN_MIN_TX_SIZE);
507 tx_size = min_t(u32, tx_size, MLX4_EN_MAX_TX_SIZE);
509 if (rx_size == (priv->port_up ? priv->rx_ring[0].actual_size :
510 priv->rx_ring[0].size) &&
511 tx_size == priv->tx_ring[0].size)
514 mutex_lock(&mdev->state_lock);
517 mlx4_en_stop_port(dev, 1);
520 mlx4_en_free_resources(priv);
522 priv->prof->tx_ring_size = tx_size;
523 priv->prof->rx_ring_size = rx_size;
525 err = mlx4_en_alloc_resources(priv);
527 en_err(priv, "Failed reallocating port resources\n");
531 err = mlx4_en_start_port(dev);
533 en_err(priv, "Failed starting port\n");
536 err = mlx4_en_moderation_update(priv);
539 mutex_unlock(&mdev->state_lock);
543 static void mlx4_en_get_ringparam(struct net_device *dev,
544 struct ethtool_ringparam *param)
546 struct mlx4_en_priv *priv = netdev_priv(dev);
548 memset(param, 0, sizeof(*param));
549 param->rx_max_pending = MLX4_EN_MAX_RX_SIZE;
550 param->tx_max_pending = MLX4_EN_MAX_TX_SIZE;
551 param->rx_pending = priv->port_up ?
552 priv->rx_ring[0].actual_size : priv->rx_ring[0].size;
553 param->tx_pending = priv->tx_ring[0].size;
556 static u32 mlx4_en_get_rxfh_indir_size(struct net_device *dev)
558 struct mlx4_en_priv *priv = netdev_priv(dev);
560 return priv->rx_ring_num;
563 static int mlx4_en_get_rxfh_indir(struct net_device *dev, u32 *ring_index)
565 struct mlx4_en_priv *priv = netdev_priv(dev);
566 struct mlx4_en_rss_map *rss_map = &priv->rss_map;
568 size_t n = priv->rx_ring_num;
571 rss_rings = priv->prof->rss_rings ?: priv->rx_ring_num;
574 ring_index[n] = rss_map->qps[n % rss_rings].qpn -
581 static int mlx4_en_set_rxfh_indir(struct net_device *dev,
582 const u32 *ring_index)
584 struct mlx4_en_priv *priv = netdev_priv(dev);
585 struct mlx4_en_dev *mdev = priv->mdev;
591 /* Calculate RSS table size and make sure flows are spread evenly
594 for (i = 0; i < priv->rx_ring_num; i++) {
595 if (i > 0 && !ring_index[i] && !rss_rings)
598 if (ring_index[i] != (i % (rss_rings ?: priv->rx_ring_num)))
603 rss_rings = priv->rx_ring_num;
605 /* RSS table size must be an order of 2 */
606 if (!is_power_of_2(rss_rings))
609 mutex_lock(&mdev->state_lock);
612 mlx4_en_stop_port(dev, 1);
615 priv->prof->rss_rings = rss_rings;
618 err = mlx4_en_start_port(dev);
620 en_err(priv, "Failed starting port\n");
623 mutex_unlock(&mdev->state_lock);
627 #define all_zeros_or_all_ones(field) \
628 ((field) == 0 || (field) == (__force typeof(field))-1)
630 static int mlx4_en_validate_flow(struct net_device *dev,
631 struct ethtool_rxnfc *cmd)
633 struct ethtool_usrip4_spec *l3_mask;
634 struct ethtool_tcpip4_spec *l4_mask;
635 struct ethhdr *eth_mask;
637 if (cmd->fs.location >= MAX_NUM_OF_FS_RULES)
640 if (cmd->fs.flow_type & FLOW_MAC_EXT) {
641 /* dest mac mask must be ff:ff:ff:ff:ff:ff */
642 if (!is_broadcast_ether_addr(cmd->fs.m_ext.h_dest))
646 switch (cmd->fs.flow_type & ~(FLOW_EXT | FLOW_MAC_EXT)) {
649 if (cmd->fs.m_u.tcp_ip4_spec.tos)
651 l4_mask = &cmd->fs.m_u.tcp_ip4_spec;
652 /* don't allow mask which isn't all 0 or 1 */
653 if (!all_zeros_or_all_ones(l4_mask->ip4src) ||
654 !all_zeros_or_all_ones(l4_mask->ip4dst) ||
655 !all_zeros_or_all_ones(l4_mask->psrc) ||
656 !all_zeros_or_all_ones(l4_mask->pdst))
660 l3_mask = &cmd->fs.m_u.usr_ip4_spec;
661 if (l3_mask->l4_4_bytes || l3_mask->tos || l3_mask->proto ||
662 cmd->fs.h_u.usr_ip4_spec.ip_ver != ETH_RX_NFC_IP4 ||
663 (!l3_mask->ip4src && !l3_mask->ip4dst) ||
664 !all_zeros_or_all_ones(l3_mask->ip4src) ||
665 !all_zeros_or_all_ones(l3_mask->ip4dst))
669 eth_mask = &cmd->fs.m_u.ether_spec;
670 /* source mac mask must not be set */
671 if (!is_zero_ether_addr(eth_mask->h_source))
674 /* dest mac mask must be ff:ff:ff:ff:ff:ff */
675 if (!is_broadcast_ether_addr(eth_mask->h_dest))
678 if (!all_zeros_or_all_ones(eth_mask->h_proto))
685 if ((cmd->fs.flow_type & FLOW_EXT)) {
686 if (cmd->fs.m_ext.vlan_etype ||
687 !((cmd->fs.m_ext.vlan_tci & cpu_to_be16(VLAN_VID_MASK)) ==
689 (cmd->fs.m_ext.vlan_tci & cpu_to_be16(VLAN_VID_MASK)) ==
690 cpu_to_be16(VLAN_VID_MASK)))
693 if (cmd->fs.m_ext.vlan_tci) {
694 if (be16_to_cpu(cmd->fs.h_ext.vlan_tci) >= VLAN_N_VID)
703 static int mlx4_en_ethtool_add_mac_rule(struct ethtool_rxnfc *cmd,
704 struct list_head *rule_list_h,
705 struct mlx4_spec_list *spec_l2,
709 __be64 mac_msk = cpu_to_be64(MLX4_MAC_MASK << 16);
711 spec_l2->id = MLX4_NET_TRANS_RULE_ID_ETH;
712 memcpy(spec_l2->eth.dst_mac_msk, &mac_msk, ETH_ALEN);
713 memcpy(spec_l2->eth.dst_mac, mac, ETH_ALEN);
715 if ((cmd->fs.flow_type & FLOW_EXT) &&
716 (cmd->fs.m_ext.vlan_tci & cpu_to_be16(VLAN_VID_MASK))) {
717 spec_l2->eth.vlan_id = cmd->fs.h_ext.vlan_tci;
718 spec_l2->eth.vlan_id_msk = cpu_to_be16(VLAN_VID_MASK);
721 list_add_tail(&spec_l2->list, rule_list_h);
726 static int mlx4_en_ethtool_add_mac_rule_by_ipv4(struct mlx4_en_priv *priv,
727 struct ethtool_rxnfc *cmd,
728 struct list_head *rule_list_h,
729 struct mlx4_spec_list *spec_l2,
733 unsigned char mac[ETH_ALEN];
735 if (!ipv4_is_multicast(ipv4_dst)) {
736 if (cmd->fs.flow_type & FLOW_MAC_EXT)
737 memcpy(&mac, cmd->fs.h_ext.h_dest, ETH_ALEN);
739 memcpy(&mac, priv->dev->dev_addr, ETH_ALEN);
741 ip_eth_mc_map(ipv4_dst, mac);
744 return mlx4_en_ethtool_add_mac_rule(cmd, rule_list_h, spec_l2, &mac[0]);
750 static int add_ip_rule(struct mlx4_en_priv *priv,
751 struct ethtool_rxnfc *cmd,
752 struct list_head *list_h)
755 struct mlx4_spec_list *spec_l2 = NULL;
756 struct mlx4_spec_list *spec_l3 = NULL;
757 struct ethtool_usrip4_spec *l3_mask = &cmd->fs.m_u.usr_ip4_spec;
759 spec_l3 = kzalloc(sizeof(*spec_l3), GFP_KERNEL);
760 spec_l2 = kzalloc(sizeof(*spec_l2), GFP_KERNEL);
761 if (!spec_l2 || !spec_l3) {
766 err = mlx4_en_ethtool_add_mac_rule_by_ipv4(priv, cmd, list_h, spec_l2,
768 usr_ip4_spec.ip4dst);
771 spec_l3->id = MLX4_NET_TRANS_RULE_ID_IPV4;
772 spec_l3->ipv4.src_ip = cmd->fs.h_u.usr_ip4_spec.ip4src;
774 spec_l3->ipv4.src_ip_msk = EN_ETHTOOL_WORD_MASK;
775 spec_l3->ipv4.dst_ip = cmd->fs.h_u.usr_ip4_spec.ip4dst;
777 spec_l3->ipv4.dst_ip_msk = EN_ETHTOOL_WORD_MASK;
778 list_add_tail(&spec_l3->list, list_h);
788 static int add_tcp_udp_rule(struct mlx4_en_priv *priv,
789 struct ethtool_rxnfc *cmd,
790 struct list_head *list_h, int proto)
793 struct mlx4_spec_list *spec_l2 = NULL;
794 struct mlx4_spec_list *spec_l3 = NULL;
795 struct mlx4_spec_list *spec_l4 = NULL;
796 struct ethtool_tcpip4_spec *l4_mask = &cmd->fs.m_u.tcp_ip4_spec;
798 spec_l2 = kzalloc(sizeof(*spec_l2), GFP_KERNEL);
799 spec_l3 = kzalloc(sizeof(*spec_l3), GFP_KERNEL);
800 spec_l4 = kzalloc(sizeof(*spec_l4), GFP_KERNEL);
801 if (!spec_l2 || !spec_l3 || !spec_l4) {
806 spec_l3->id = MLX4_NET_TRANS_RULE_ID_IPV4;
808 if (proto == TCP_V4_FLOW) {
809 err = mlx4_en_ethtool_add_mac_rule_by_ipv4(priv, cmd, list_h,
812 tcp_ip4_spec.ip4dst);
815 spec_l4->id = MLX4_NET_TRANS_RULE_ID_TCP;
816 spec_l3->ipv4.src_ip = cmd->fs.h_u.tcp_ip4_spec.ip4src;
817 spec_l3->ipv4.dst_ip = cmd->fs.h_u.tcp_ip4_spec.ip4dst;
818 spec_l4->tcp_udp.src_port = cmd->fs.h_u.tcp_ip4_spec.psrc;
819 spec_l4->tcp_udp.dst_port = cmd->fs.h_u.tcp_ip4_spec.pdst;
821 err = mlx4_en_ethtool_add_mac_rule_by_ipv4(priv, cmd, list_h,
824 udp_ip4_spec.ip4dst);
827 spec_l4->id = MLX4_NET_TRANS_RULE_ID_UDP;
828 spec_l3->ipv4.src_ip = cmd->fs.h_u.udp_ip4_spec.ip4src;
829 spec_l3->ipv4.dst_ip = cmd->fs.h_u.udp_ip4_spec.ip4dst;
830 spec_l4->tcp_udp.src_port = cmd->fs.h_u.udp_ip4_spec.psrc;
831 spec_l4->tcp_udp.dst_port = cmd->fs.h_u.udp_ip4_spec.pdst;
835 spec_l3->ipv4.src_ip_msk = EN_ETHTOOL_WORD_MASK;
837 spec_l3->ipv4.dst_ip_msk = EN_ETHTOOL_WORD_MASK;
840 spec_l4->tcp_udp.src_port_msk = EN_ETHTOOL_SHORT_MASK;
842 spec_l4->tcp_udp.dst_port_msk = EN_ETHTOOL_SHORT_MASK;
844 list_add_tail(&spec_l3->list, list_h);
845 list_add_tail(&spec_l4->list, list_h);
856 static int mlx4_en_ethtool_to_net_trans_rule(struct net_device *dev,
857 struct ethtool_rxnfc *cmd,
858 struct list_head *rule_list_h)
861 struct ethhdr *eth_spec;
862 struct mlx4_spec_list *spec_l2;
863 struct mlx4_en_priv *priv = netdev_priv(dev);
865 err = mlx4_en_validate_flow(dev, cmd);
869 switch (cmd->fs.flow_type & ~(FLOW_EXT | FLOW_MAC_EXT)) {
871 spec_l2 = kzalloc(sizeof(*spec_l2), GFP_KERNEL);
875 eth_spec = &cmd->fs.h_u.ether_spec;
876 mlx4_en_ethtool_add_mac_rule(cmd, rule_list_h, spec_l2,
877 ð_spec->h_dest[0]);
878 spec_l2->eth.ether_type = eth_spec->h_proto;
879 if (eth_spec->h_proto)
880 spec_l2->eth.ether_type_enable = 1;
883 err = add_ip_rule(priv, cmd, rule_list_h);
886 err = add_tcp_udp_rule(priv, cmd, rule_list_h, TCP_V4_FLOW);
889 err = add_tcp_udp_rule(priv, cmd, rule_list_h, UDP_V4_FLOW);
896 static int mlx4_en_flow_replace(struct net_device *dev,
897 struct ethtool_rxnfc *cmd)
900 struct mlx4_en_priv *priv = netdev_priv(dev);
901 struct ethtool_flow_id *loc_rule;
902 struct mlx4_spec_list *spec, *tmp_spec;
906 struct mlx4_net_trans_rule rule = {
907 .queue_mode = MLX4_NET_TRANS_Q_FIFO,
910 .promisc_mode = MLX4_FS_REGULAR,
913 rule.port = priv->port;
914 rule.priority = MLX4_DOMAIN_ETHTOOL | cmd->fs.location;
915 INIT_LIST_HEAD(&rule.list);
917 /* Allow direct QP attaches if the EN_ETHTOOL_QP_ATTACH flag is set */
918 if (cmd->fs.ring_cookie == RX_CLS_FLOW_DISC)
919 qpn = priv->drop_qp.qpn;
920 else if (cmd->fs.ring_cookie & EN_ETHTOOL_QP_ATTACH) {
921 qpn = cmd->fs.ring_cookie & (EN_ETHTOOL_QP_ATTACH - 1);
923 if (cmd->fs.ring_cookie >= priv->rx_ring_num) {
924 en_warn(priv, "rxnfc: RX ring (%llu) doesn't exist.\n",
925 cmd->fs.ring_cookie);
928 qpn = priv->rss_map.qps[cmd->fs.ring_cookie].qpn;
930 en_warn(priv, "rxnfc: RX ring (%llu) is inactive.\n",
931 cmd->fs.ring_cookie);
936 err = mlx4_en_ethtool_to_net_trans_rule(dev, cmd, &rule.list);
940 loc_rule = &priv->ethtool_rules[cmd->fs.location];
942 err = mlx4_flow_detach(priv->mdev->dev, loc_rule->id);
944 en_err(priv, "Fail to detach network rule at location %d. registration id = %llx\n",
945 cmd->fs.location, loc_rule->id);
949 memset(&loc_rule->flow_spec, 0,
950 sizeof(struct ethtool_rx_flow_spec));
951 list_del(&loc_rule->list);
953 err = mlx4_flow_attach(priv->mdev->dev, &rule, ®_id);
955 en_err(priv, "Fail to attach network rule at location %d.\n",
959 loc_rule->id = reg_id;
960 memcpy(&loc_rule->flow_spec, &cmd->fs,
961 sizeof(struct ethtool_rx_flow_spec));
962 list_add_tail(&loc_rule->list, &priv->ethtool_list);
965 list_for_each_entry_safe(spec, tmp_spec, &rule.list, list) {
966 list_del(&spec->list);
972 static int mlx4_en_flow_detach(struct net_device *dev,
973 struct ethtool_rxnfc *cmd)
976 struct ethtool_flow_id *rule;
977 struct mlx4_en_priv *priv = netdev_priv(dev);
979 if (cmd->fs.location >= MAX_NUM_OF_FS_RULES)
982 rule = &priv->ethtool_rules[cmd->fs.location];
988 err = mlx4_flow_detach(priv->mdev->dev, rule->id);
990 en_err(priv, "Fail to detach network rule at location %d. registration id = 0x%llx\n",
991 cmd->fs.location, rule->id);
995 memset(&rule->flow_spec, 0, sizeof(struct ethtool_rx_flow_spec));
996 list_del(&rule->list);
1002 static int mlx4_en_get_flow(struct net_device *dev, struct ethtool_rxnfc *cmd,
1006 struct ethtool_flow_id *rule;
1007 struct mlx4_en_priv *priv = netdev_priv(dev);
1009 if (loc < 0 || loc >= MAX_NUM_OF_FS_RULES)
1012 rule = &priv->ethtool_rules[loc];
1014 memcpy(&cmd->fs, &rule->flow_spec,
1015 sizeof(struct ethtool_rx_flow_spec));
1022 static int mlx4_en_get_num_flows(struct mlx4_en_priv *priv)
1026 for (i = 0; i < MAX_NUM_OF_FS_RULES; i++) {
1027 if (priv->ethtool_rules[i].id)
1034 static int mlx4_en_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
1037 struct mlx4_en_priv *priv = netdev_priv(dev);
1038 struct mlx4_en_dev *mdev = priv->mdev;
1040 int i = 0, priority = 0;
1042 if ((cmd->cmd == ETHTOOL_GRXCLSRLCNT ||
1043 cmd->cmd == ETHTOOL_GRXCLSRULE ||
1044 cmd->cmd == ETHTOOL_GRXCLSRLALL) &&
1045 (mdev->dev->caps.steering_mode !=
1046 MLX4_STEERING_MODE_DEVICE_MANAGED || !priv->port_up))
1050 case ETHTOOL_GRXRINGS:
1051 cmd->data = priv->rx_ring_num;
1053 case ETHTOOL_GRXCLSRLCNT:
1054 cmd->rule_cnt = mlx4_en_get_num_flows(priv);
1056 case ETHTOOL_GRXCLSRULE:
1057 err = mlx4_en_get_flow(dev, cmd, cmd->fs.location);
1059 case ETHTOOL_GRXCLSRLALL:
1060 while ((!err || err == -ENOENT) && priority < cmd->rule_cnt) {
1061 err = mlx4_en_get_flow(dev, cmd, i);
1063 rule_locs[priority++] = i;
1076 static int mlx4_en_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
1079 struct mlx4_en_priv *priv = netdev_priv(dev);
1080 struct mlx4_en_dev *mdev = priv->mdev;
1082 if (mdev->dev->caps.steering_mode !=
1083 MLX4_STEERING_MODE_DEVICE_MANAGED || !priv->port_up)
1087 case ETHTOOL_SRXCLSRLINS:
1088 err = mlx4_en_flow_replace(dev, cmd);
1090 case ETHTOOL_SRXCLSRLDEL:
1091 err = mlx4_en_flow_detach(dev, cmd);
1094 en_warn(priv, "Unsupported ethtool command. (%d)\n", cmd->cmd);
1101 static void mlx4_en_get_channels(struct net_device *dev,
1102 struct ethtool_channels *channel)
1104 struct mlx4_en_priv *priv = netdev_priv(dev);
1106 memset(channel, 0, sizeof(*channel));
1108 channel->max_rx = MAX_RX_RINGS;
1109 channel->max_tx = MLX4_EN_MAX_TX_RING_P_UP;
1111 channel->rx_count = priv->rx_ring_num;
1112 channel->tx_count = priv->tx_ring_num / MLX4_EN_NUM_UP;
1115 static int mlx4_en_set_channels(struct net_device *dev,
1116 struct ethtool_channels *channel)
1118 struct mlx4_en_priv *priv = netdev_priv(dev);
1119 struct mlx4_en_dev *mdev = priv->mdev;
1123 if (channel->other_count || channel->combined_count ||
1124 channel->tx_count > MLX4_EN_MAX_TX_RING_P_UP ||
1125 channel->rx_count > MAX_RX_RINGS ||
1126 !channel->tx_count || !channel->rx_count)
1129 mutex_lock(&mdev->state_lock);
1130 if (priv->port_up) {
1132 mlx4_en_stop_port(dev, 1);
1135 mlx4_en_free_resources(priv);
1137 priv->num_tx_rings_p_up = channel->tx_count;
1138 priv->tx_ring_num = channel->tx_count * MLX4_EN_NUM_UP;
1139 priv->rx_ring_num = channel->rx_count;
1141 err = mlx4_en_alloc_resources(priv);
1143 en_err(priv, "Failed reallocating port resources\n");
1147 netif_set_real_num_tx_queues(dev, priv->tx_ring_num);
1148 netif_set_real_num_rx_queues(dev, priv->rx_ring_num);
1150 mlx4_en_setup_tc(dev, MLX4_EN_NUM_UP);
1152 en_warn(priv, "Using %d TX rings\n", priv->tx_ring_num);
1153 en_warn(priv, "Using %d RX rings\n", priv->rx_ring_num);
1156 err = mlx4_en_start_port(dev);
1158 en_err(priv, "Failed starting port\n");
1161 err = mlx4_en_moderation_update(priv);
1164 mutex_unlock(&mdev->state_lock);
1168 static int mlx4_en_get_ts_info(struct net_device *dev,
1169 struct ethtool_ts_info *info)
1171 struct mlx4_en_priv *priv = netdev_priv(dev);
1172 struct mlx4_en_dev *mdev = priv->mdev;
1175 ret = ethtool_op_get_ts_info(dev, info);
1179 if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS) {
1180 info->so_timestamping |=
1181 SOF_TIMESTAMPING_TX_HARDWARE |
1182 SOF_TIMESTAMPING_RX_HARDWARE |
1183 SOF_TIMESTAMPING_RAW_HARDWARE;
1186 (1 << HWTSTAMP_TX_OFF) |
1187 (1 << HWTSTAMP_TX_ON);
1190 (1 << HWTSTAMP_FILTER_NONE) |
1191 (1 << HWTSTAMP_FILTER_ALL);
1197 const struct ethtool_ops mlx4_en_ethtool_ops = {
1198 .get_drvinfo = mlx4_en_get_drvinfo,
1199 .get_settings = mlx4_en_get_settings,
1200 .set_settings = mlx4_en_set_settings,
1201 .get_link = ethtool_op_get_link,
1202 .get_strings = mlx4_en_get_strings,
1203 .get_sset_count = mlx4_en_get_sset_count,
1204 .get_ethtool_stats = mlx4_en_get_ethtool_stats,
1205 .self_test = mlx4_en_self_test,
1206 .get_wol = mlx4_en_get_wol,
1207 .set_wol = mlx4_en_set_wol,
1208 .get_msglevel = mlx4_en_get_msglevel,
1209 .set_msglevel = mlx4_en_set_msglevel,
1210 .get_coalesce = mlx4_en_get_coalesce,
1211 .set_coalesce = mlx4_en_set_coalesce,
1212 .get_pauseparam = mlx4_en_get_pauseparam,
1213 .set_pauseparam = mlx4_en_set_pauseparam,
1214 .get_ringparam = mlx4_en_get_ringparam,
1215 .set_ringparam = mlx4_en_set_ringparam,
1216 .get_rxnfc = mlx4_en_get_rxnfc,
1217 .set_rxnfc = mlx4_en_set_rxnfc,
1218 .get_rxfh_indir_size = mlx4_en_get_rxfh_indir_size,
1219 .get_rxfh_indir = mlx4_en_get_rxfh_indir,
1220 .set_rxfh_indir = mlx4_en_set_rxfh_indir,
1221 .get_channels = mlx4_en_get_channels,
1222 .set_channels = mlx4_en_set_channels,
1223 .get_ts_info = mlx4_en_get_ts_info,