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 + priv->rx_ring_num) * 2;
227 return MLX4_EN_NUM_SELF_TEST - !(priv->mdev->dev->caps.flags
228 & MLX4_DEV_CAP_FLAG_UC_LOOPBACK) * 2;
234 static void mlx4_en_get_ethtool_stats(struct net_device *dev,
235 struct ethtool_stats *stats, uint64_t *data)
237 struct mlx4_en_priv *priv = netdev_priv(dev);
241 spin_lock_bh(&priv->stats_lock);
243 if (!(priv->stats_bitmap)) {
244 for (i = 0; i < NUM_MAIN_STATS; i++)
246 ((unsigned long *) &priv->stats)[i];
247 for (i = 0; i < NUM_PORT_STATS; i++)
249 ((unsigned long *) &priv->port_stats)[i];
250 for (i = 0; i < NUM_PKT_STATS; i++)
252 ((unsigned long *) &priv->pkstats)[i];
254 for (i = 0; i < NUM_MAIN_STATS; i++) {
255 if ((priv->stats_bitmap >> j) & 1)
257 ((unsigned long *) &priv->stats)[i];
260 for (i = 0; i < NUM_PORT_STATS; i++) {
261 if ((priv->stats_bitmap >> j) & 1)
263 ((unsigned long *) &priv->port_stats)[i];
267 for (i = 0; i < priv->tx_ring_num; i++) {
268 data[index++] = priv->tx_ring[i].packets;
269 data[index++] = priv->tx_ring[i].bytes;
271 for (i = 0; i < priv->rx_ring_num; i++) {
272 data[index++] = priv->rx_ring[i].packets;
273 data[index++] = priv->rx_ring[i].bytes;
275 spin_unlock_bh(&priv->stats_lock);
279 static void mlx4_en_self_test(struct net_device *dev,
280 struct ethtool_test *etest, u64 *buf)
282 mlx4_en_ex_selftest(dev, &etest->flags, buf);
285 static void mlx4_en_get_strings(struct net_device *dev,
286 uint32_t stringset, uint8_t *data)
288 struct mlx4_en_priv *priv = netdev_priv(dev);
294 for (i = 0; i < MLX4_EN_NUM_SELF_TEST - 2; i++)
295 strcpy(data + i * ETH_GSTRING_LEN, mlx4_en_test_names[i]);
296 if (priv->mdev->dev->caps.flags & MLX4_DEV_CAP_FLAG_UC_LOOPBACK)
297 for (; i < MLX4_EN_NUM_SELF_TEST; i++)
298 strcpy(data + i * ETH_GSTRING_LEN, mlx4_en_test_names[i]);
302 /* Add main counters */
303 if (!priv->stats_bitmap) {
304 for (i = 0; i < NUM_MAIN_STATS; i++)
305 strcpy(data + (index++) * ETH_GSTRING_LEN,
307 for (i = 0; i < NUM_PORT_STATS; i++)
308 strcpy(data + (index++) * ETH_GSTRING_LEN,
311 for (i = 0; i < NUM_PKT_STATS; i++)
312 strcpy(data + (index++) * ETH_GSTRING_LEN,
317 for (i = 0; i < NUM_MAIN_STATS + NUM_PORT_STATS; i++) {
318 if ((priv->stats_bitmap >> i) & 1) {
320 (index++) * ETH_GSTRING_LEN,
323 if (!(priv->stats_bitmap >> i))
326 for (i = 0; i < priv->tx_ring_num; i++) {
327 sprintf(data + (index++) * ETH_GSTRING_LEN,
329 sprintf(data + (index++) * ETH_GSTRING_LEN,
332 for (i = 0; i < priv->rx_ring_num; i++) {
333 sprintf(data + (index++) * ETH_GSTRING_LEN,
335 sprintf(data + (index++) * ETH_GSTRING_LEN,
342 static int mlx4_en_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
344 struct mlx4_en_priv *priv = netdev_priv(dev);
347 cmd->autoneg = AUTONEG_DISABLE;
348 cmd->supported = SUPPORTED_10000baseT_Full;
349 cmd->advertising = ADVERTISED_10000baseT_Full;
351 if (mlx4_en_QUERY_PORT(priv->mdev, priv->port))
354 trans_type = priv->port_state.transciver;
355 if (netif_carrier_ok(dev)) {
356 ethtool_cmd_speed_set(cmd, priv->port_state.link_speed);
357 cmd->duplex = DUPLEX_FULL;
359 ethtool_cmd_speed_set(cmd, -1);
363 if (trans_type > 0 && trans_type <= 0xC) {
364 cmd->port = PORT_FIBRE;
365 cmd->transceiver = XCVR_EXTERNAL;
366 cmd->supported |= SUPPORTED_FIBRE;
367 cmd->advertising |= ADVERTISED_FIBRE;
368 } else if (trans_type == 0x80 || trans_type == 0) {
370 cmd->transceiver = XCVR_INTERNAL;
371 cmd->supported |= SUPPORTED_TP;
372 cmd->advertising |= ADVERTISED_TP;
375 cmd->transceiver = -1;
380 static int mlx4_en_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
382 if ((cmd->autoneg == AUTONEG_ENABLE) ||
383 (ethtool_cmd_speed(cmd) != SPEED_10000) ||
384 (cmd->duplex != DUPLEX_FULL))
387 /* Nothing to change */
391 static int mlx4_en_get_coalesce(struct net_device *dev,
392 struct ethtool_coalesce *coal)
394 struct mlx4_en_priv *priv = netdev_priv(dev);
396 coal->tx_coalesce_usecs = priv->tx_usecs;
397 coal->tx_max_coalesced_frames = priv->tx_frames;
398 coal->rx_coalesce_usecs = priv->rx_usecs;
399 coal->rx_max_coalesced_frames = priv->rx_frames;
401 coal->pkt_rate_low = priv->pkt_rate_low;
402 coal->rx_coalesce_usecs_low = priv->rx_usecs_low;
403 coal->pkt_rate_high = priv->pkt_rate_high;
404 coal->rx_coalesce_usecs_high = priv->rx_usecs_high;
405 coal->rate_sample_interval = priv->sample_interval;
406 coal->use_adaptive_rx_coalesce = priv->adaptive_rx_coal;
410 static int mlx4_en_set_coalesce(struct net_device *dev,
411 struct ethtool_coalesce *coal)
413 struct mlx4_en_priv *priv = netdev_priv(dev);
415 priv->rx_frames = (coal->rx_max_coalesced_frames ==
417 MLX4_EN_RX_COAL_TARGET :
418 coal->rx_max_coalesced_frames;
419 priv->rx_usecs = (coal->rx_coalesce_usecs ==
421 MLX4_EN_RX_COAL_TIME :
422 coal->rx_coalesce_usecs;
424 /* Setting TX coalescing parameters */
425 if (coal->tx_coalesce_usecs != priv->tx_usecs ||
426 coal->tx_max_coalesced_frames != priv->tx_frames) {
427 priv->tx_usecs = coal->tx_coalesce_usecs;
428 priv->tx_frames = coal->tx_max_coalesced_frames;
431 /* Set adaptive coalescing params */
432 priv->pkt_rate_low = coal->pkt_rate_low;
433 priv->rx_usecs_low = coal->rx_coalesce_usecs_low;
434 priv->pkt_rate_high = coal->pkt_rate_high;
435 priv->rx_usecs_high = coal->rx_coalesce_usecs_high;
436 priv->sample_interval = coal->rate_sample_interval;
437 priv->adaptive_rx_coal = coal->use_adaptive_rx_coalesce;
439 return mlx4_en_moderation_update(priv);
442 static int mlx4_en_set_pauseparam(struct net_device *dev,
443 struct ethtool_pauseparam *pause)
445 struct mlx4_en_priv *priv = netdev_priv(dev);
446 struct mlx4_en_dev *mdev = priv->mdev;
449 priv->prof->tx_pause = pause->tx_pause != 0;
450 priv->prof->rx_pause = pause->rx_pause != 0;
451 err = mlx4_SET_PORT_general(mdev->dev, priv->port,
452 priv->rx_skb_size + ETH_FCS_LEN,
453 priv->prof->tx_pause,
455 priv->prof->rx_pause,
458 en_err(priv, "Failed setting pause params\n");
463 static void mlx4_en_get_pauseparam(struct net_device *dev,
464 struct ethtool_pauseparam *pause)
466 struct mlx4_en_priv *priv = netdev_priv(dev);
468 pause->tx_pause = priv->prof->tx_pause;
469 pause->rx_pause = priv->prof->rx_pause;
472 static int mlx4_en_set_ringparam(struct net_device *dev,
473 struct ethtool_ringparam *param)
475 struct mlx4_en_priv *priv = netdev_priv(dev);
476 struct mlx4_en_dev *mdev = priv->mdev;
477 u32 rx_size, tx_size;
481 if (param->rx_jumbo_pending || param->rx_mini_pending)
484 rx_size = roundup_pow_of_two(param->rx_pending);
485 rx_size = max_t(u32, rx_size, MLX4_EN_MIN_RX_SIZE);
486 rx_size = min_t(u32, rx_size, MLX4_EN_MAX_RX_SIZE);
487 tx_size = roundup_pow_of_two(param->tx_pending);
488 tx_size = max_t(u32, tx_size, MLX4_EN_MIN_TX_SIZE);
489 tx_size = min_t(u32, tx_size, MLX4_EN_MAX_TX_SIZE);
491 if (rx_size == (priv->port_up ? priv->rx_ring[0].actual_size :
492 priv->rx_ring[0].size) &&
493 tx_size == priv->tx_ring[0].size)
496 mutex_lock(&mdev->state_lock);
499 mlx4_en_stop_port(dev, 1);
502 mlx4_en_free_resources(priv);
504 priv->prof->tx_ring_size = tx_size;
505 priv->prof->rx_ring_size = rx_size;
507 err = mlx4_en_alloc_resources(priv);
509 en_err(priv, "Failed reallocating port resources\n");
513 err = mlx4_en_start_port(dev);
515 en_err(priv, "Failed starting port\n");
518 err = mlx4_en_moderation_update(priv);
521 mutex_unlock(&mdev->state_lock);
525 static void mlx4_en_get_ringparam(struct net_device *dev,
526 struct ethtool_ringparam *param)
528 struct mlx4_en_priv *priv = netdev_priv(dev);
530 memset(param, 0, sizeof(*param));
531 param->rx_max_pending = MLX4_EN_MAX_RX_SIZE;
532 param->tx_max_pending = MLX4_EN_MAX_TX_SIZE;
533 param->rx_pending = priv->port_up ?
534 priv->rx_ring[0].actual_size : priv->rx_ring[0].size;
535 param->tx_pending = priv->tx_ring[0].size;
538 static u32 mlx4_en_get_rxfh_indir_size(struct net_device *dev)
540 struct mlx4_en_priv *priv = netdev_priv(dev);
542 return priv->rx_ring_num;
545 static int mlx4_en_get_rxfh_indir(struct net_device *dev, u32 *ring_index)
547 struct mlx4_en_priv *priv = netdev_priv(dev);
548 struct mlx4_en_rss_map *rss_map = &priv->rss_map;
550 size_t n = priv->rx_ring_num;
553 rss_rings = priv->prof->rss_rings ?: priv->rx_ring_num;
556 ring_index[n] = rss_map->qps[n % rss_rings].qpn -
563 static int mlx4_en_set_rxfh_indir(struct net_device *dev,
564 const u32 *ring_index)
566 struct mlx4_en_priv *priv = netdev_priv(dev);
567 struct mlx4_en_dev *mdev = priv->mdev;
573 /* Calculate RSS table size and make sure flows are spread evenly
576 for (i = 0; i < priv->rx_ring_num; i++) {
577 if (i > 0 && !ring_index[i] && !rss_rings)
580 if (ring_index[i] != (i % (rss_rings ?: priv->rx_ring_num)))
585 rss_rings = priv->rx_ring_num;
587 /* RSS table size must be an order of 2 */
588 if (!is_power_of_2(rss_rings))
591 mutex_lock(&mdev->state_lock);
594 mlx4_en_stop_port(dev, 1);
597 priv->prof->rss_rings = rss_rings;
600 err = mlx4_en_start_port(dev);
602 en_err(priv, "Failed starting port\n");
605 mutex_unlock(&mdev->state_lock);
609 #define all_zeros_or_all_ones(field) \
610 ((field) == 0 || (field) == (__force typeof(field))-1)
612 static int mlx4_en_validate_flow(struct net_device *dev,
613 struct ethtool_rxnfc *cmd)
615 struct ethtool_usrip4_spec *l3_mask;
616 struct ethtool_tcpip4_spec *l4_mask;
617 struct ethhdr *eth_mask;
619 if (cmd->fs.location >= MAX_NUM_OF_FS_RULES)
622 if (cmd->fs.flow_type & FLOW_MAC_EXT) {
623 /* dest mac mask must be ff:ff:ff:ff:ff:ff */
624 if (!is_broadcast_ether_addr(cmd->fs.m_ext.h_dest))
628 switch (cmd->fs.flow_type & ~(FLOW_EXT | FLOW_MAC_EXT)) {
631 if (cmd->fs.m_u.tcp_ip4_spec.tos)
633 l4_mask = &cmd->fs.m_u.tcp_ip4_spec;
634 /* don't allow mask which isn't all 0 or 1 */
635 if (!all_zeros_or_all_ones(l4_mask->ip4src) ||
636 !all_zeros_or_all_ones(l4_mask->ip4dst) ||
637 !all_zeros_or_all_ones(l4_mask->psrc) ||
638 !all_zeros_or_all_ones(l4_mask->pdst))
642 l3_mask = &cmd->fs.m_u.usr_ip4_spec;
643 if (l3_mask->l4_4_bytes || l3_mask->tos || l3_mask->proto ||
644 cmd->fs.h_u.usr_ip4_spec.ip_ver != ETH_RX_NFC_IP4 ||
645 (!l3_mask->ip4src && !l3_mask->ip4dst) ||
646 !all_zeros_or_all_ones(l3_mask->ip4src) ||
647 !all_zeros_or_all_ones(l3_mask->ip4dst))
651 eth_mask = &cmd->fs.m_u.ether_spec;
652 /* source mac mask must not be set */
653 if (!is_zero_ether_addr(eth_mask->h_source))
656 /* dest mac mask must be ff:ff:ff:ff:ff:ff */
657 if (!is_broadcast_ether_addr(eth_mask->h_dest))
660 if (!all_zeros_or_all_ones(eth_mask->h_proto))
667 if ((cmd->fs.flow_type & FLOW_EXT)) {
668 if (cmd->fs.m_ext.vlan_etype ||
669 !((cmd->fs.m_ext.vlan_tci & cpu_to_be16(VLAN_VID_MASK)) ==
671 (cmd->fs.m_ext.vlan_tci & cpu_to_be16(VLAN_VID_MASK)) ==
672 cpu_to_be16(VLAN_VID_MASK)))
675 if (cmd->fs.m_ext.vlan_tci) {
676 if (be16_to_cpu(cmd->fs.h_ext.vlan_tci) >= VLAN_N_VID)
685 static int mlx4_en_ethtool_add_mac_rule(struct ethtool_rxnfc *cmd,
686 struct list_head *rule_list_h,
687 struct mlx4_spec_list *spec_l2,
691 __be64 mac_msk = cpu_to_be64(MLX4_MAC_MASK << 16);
693 spec_l2->id = MLX4_NET_TRANS_RULE_ID_ETH;
694 memcpy(spec_l2->eth.dst_mac_msk, &mac_msk, ETH_ALEN);
695 memcpy(spec_l2->eth.dst_mac, mac, ETH_ALEN);
697 if ((cmd->fs.flow_type & FLOW_EXT) &&
698 (cmd->fs.m_ext.vlan_tci & cpu_to_be16(VLAN_VID_MASK))) {
699 spec_l2->eth.vlan_id = cmd->fs.h_ext.vlan_tci;
700 spec_l2->eth.vlan_id_msk = cpu_to_be16(VLAN_VID_MASK);
703 list_add_tail(&spec_l2->list, rule_list_h);
708 static int mlx4_en_ethtool_add_mac_rule_by_ipv4(struct mlx4_en_priv *priv,
709 struct ethtool_rxnfc *cmd,
710 struct list_head *rule_list_h,
711 struct mlx4_spec_list *spec_l2,
715 unsigned char mac[ETH_ALEN];
717 if (!ipv4_is_multicast(ipv4_dst)) {
718 if (cmd->fs.flow_type & FLOW_MAC_EXT)
719 memcpy(&mac, cmd->fs.h_ext.h_dest, ETH_ALEN);
721 memcpy(&mac, priv->dev->dev_addr, ETH_ALEN);
723 ip_eth_mc_map(ipv4_dst, mac);
726 return mlx4_en_ethtool_add_mac_rule(cmd, rule_list_h, spec_l2, &mac[0]);
732 static int add_ip_rule(struct mlx4_en_priv *priv,
733 struct ethtool_rxnfc *cmd,
734 struct list_head *list_h)
737 struct mlx4_spec_list *spec_l2 = NULL;
738 struct mlx4_spec_list *spec_l3 = NULL;
739 struct ethtool_usrip4_spec *l3_mask = &cmd->fs.m_u.usr_ip4_spec;
741 spec_l3 = kzalloc(sizeof(*spec_l3), GFP_KERNEL);
742 spec_l2 = kzalloc(sizeof(*spec_l2), GFP_KERNEL);
743 if (!spec_l2 || !spec_l3) {
748 err = mlx4_en_ethtool_add_mac_rule_by_ipv4(priv, cmd, list_h, spec_l2,
750 usr_ip4_spec.ip4dst);
753 spec_l3->id = MLX4_NET_TRANS_RULE_ID_IPV4;
754 spec_l3->ipv4.src_ip = cmd->fs.h_u.usr_ip4_spec.ip4src;
756 spec_l3->ipv4.src_ip_msk = EN_ETHTOOL_WORD_MASK;
757 spec_l3->ipv4.dst_ip = cmd->fs.h_u.usr_ip4_spec.ip4dst;
759 spec_l3->ipv4.dst_ip_msk = EN_ETHTOOL_WORD_MASK;
760 list_add_tail(&spec_l3->list, list_h);
770 static int add_tcp_udp_rule(struct mlx4_en_priv *priv,
771 struct ethtool_rxnfc *cmd,
772 struct list_head *list_h, int proto)
775 struct mlx4_spec_list *spec_l2 = NULL;
776 struct mlx4_spec_list *spec_l3 = NULL;
777 struct mlx4_spec_list *spec_l4 = NULL;
778 struct ethtool_tcpip4_spec *l4_mask = &cmd->fs.m_u.tcp_ip4_spec;
780 spec_l2 = kzalloc(sizeof(*spec_l2), GFP_KERNEL);
781 spec_l3 = kzalloc(sizeof(*spec_l3), GFP_KERNEL);
782 spec_l4 = kzalloc(sizeof(*spec_l4), GFP_KERNEL);
783 if (!spec_l2 || !spec_l3 || !spec_l4) {
788 spec_l3->id = MLX4_NET_TRANS_RULE_ID_IPV4;
790 if (proto == TCP_V4_FLOW) {
791 err = mlx4_en_ethtool_add_mac_rule_by_ipv4(priv, cmd, list_h,
794 tcp_ip4_spec.ip4dst);
797 spec_l4->id = MLX4_NET_TRANS_RULE_ID_TCP;
798 spec_l3->ipv4.src_ip = cmd->fs.h_u.tcp_ip4_spec.ip4src;
799 spec_l3->ipv4.dst_ip = cmd->fs.h_u.tcp_ip4_spec.ip4dst;
800 spec_l4->tcp_udp.src_port = cmd->fs.h_u.tcp_ip4_spec.psrc;
801 spec_l4->tcp_udp.dst_port = cmd->fs.h_u.tcp_ip4_spec.pdst;
803 err = mlx4_en_ethtool_add_mac_rule_by_ipv4(priv, cmd, list_h,
806 udp_ip4_spec.ip4dst);
809 spec_l4->id = MLX4_NET_TRANS_RULE_ID_UDP;
810 spec_l3->ipv4.src_ip = cmd->fs.h_u.udp_ip4_spec.ip4src;
811 spec_l3->ipv4.dst_ip = cmd->fs.h_u.udp_ip4_spec.ip4dst;
812 spec_l4->tcp_udp.src_port = cmd->fs.h_u.udp_ip4_spec.psrc;
813 spec_l4->tcp_udp.dst_port = cmd->fs.h_u.udp_ip4_spec.pdst;
817 spec_l3->ipv4.src_ip_msk = EN_ETHTOOL_WORD_MASK;
819 spec_l3->ipv4.dst_ip_msk = EN_ETHTOOL_WORD_MASK;
822 spec_l4->tcp_udp.src_port_msk = EN_ETHTOOL_SHORT_MASK;
824 spec_l4->tcp_udp.dst_port_msk = EN_ETHTOOL_SHORT_MASK;
826 list_add_tail(&spec_l3->list, list_h);
827 list_add_tail(&spec_l4->list, list_h);
838 static int mlx4_en_ethtool_to_net_trans_rule(struct net_device *dev,
839 struct ethtool_rxnfc *cmd,
840 struct list_head *rule_list_h)
843 struct ethhdr *eth_spec;
844 struct mlx4_spec_list *spec_l2;
845 struct mlx4_en_priv *priv = netdev_priv(dev);
847 err = mlx4_en_validate_flow(dev, cmd);
851 switch (cmd->fs.flow_type & ~(FLOW_EXT | FLOW_MAC_EXT)) {
853 spec_l2 = kzalloc(sizeof(*spec_l2), GFP_KERNEL);
857 eth_spec = &cmd->fs.h_u.ether_spec;
858 mlx4_en_ethtool_add_mac_rule(cmd, rule_list_h, spec_l2,
859 ð_spec->h_dest[0]);
860 spec_l2->eth.ether_type = eth_spec->h_proto;
861 if (eth_spec->h_proto)
862 spec_l2->eth.ether_type_enable = 1;
865 err = add_ip_rule(priv, cmd, rule_list_h);
868 err = add_tcp_udp_rule(priv, cmd, rule_list_h, TCP_V4_FLOW);
871 err = add_tcp_udp_rule(priv, cmd, rule_list_h, UDP_V4_FLOW);
878 static int mlx4_en_flow_replace(struct net_device *dev,
879 struct ethtool_rxnfc *cmd)
882 struct mlx4_en_priv *priv = netdev_priv(dev);
883 struct ethtool_flow_id *loc_rule;
884 struct mlx4_spec_list *spec, *tmp_spec;
888 struct mlx4_net_trans_rule rule = {
889 .queue_mode = MLX4_NET_TRANS_Q_FIFO,
892 .promisc_mode = MLX4_FS_PROMISC_NONE,
895 rule.port = priv->port;
896 rule.priority = MLX4_DOMAIN_ETHTOOL | cmd->fs.location;
897 INIT_LIST_HEAD(&rule.list);
899 /* Allow direct QP attaches if the EN_ETHTOOL_QP_ATTACH flag is set */
900 if (cmd->fs.ring_cookie == RX_CLS_FLOW_DISC)
901 qpn = priv->drop_qp.qpn;
902 else if (cmd->fs.ring_cookie & EN_ETHTOOL_QP_ATTACH) {
903 qpn = cmd->fs.ring_cookie & (EN_ETHTOOL_QP_ATTACH - 1);
905 if (cmd->fs.ring_cookie >= priv->rx_ring_num) {
906 en_warn(priv, "rxnfc: RX ring (%llu) doesn't exist.\n",
907 cmd->fs.ring_cookie);
910 qpn = priv->rss_map.qps[cmd->fs.ring_cookie].qpn;
912 en_warn(priv, "rxnfc: RX ring (%llu) is inactive.\n",
913 cmd->fs.ring_cookie);
918 err = mlx4_en_ethtool_to_net_trans_rule(dev, cmd, &rule.list);
922 loc_rule = &priv->ethtool_rules[cmd->fs.location];
924 err = mlx4_flow_detach(priv->mdev->dev, loc_rule->id);
926 en_err(priv, "Fail to detach network rule at location %d. registration id = %llx\n",
927 cmd->fs.location, loc_rule->id);
931 memset(&loc_rule->flow_spec, 0,
932 sizeof(struct ethtool_rx_flow_spec));
933 list_del(&loc_rule->list);
935 err = mlx4_flow_attach(priv->mdev->dev, &rule, ®_id);
937 en_err(priv, "Fail to attach network rule at location %d.\n",
941 loc_rule->id = reg_id;
942 memcpy(&loc_rule->flow_spec, &cmd->fs,
943 sizeof(struct ethtool_rx_flow_spec));
944 list_add_tail(&loc_rule->list, &priv->ethtool_list);
947 list_for_each_entry_safe(spec, tmp_spec, &rule.list, list) {
948 list_del(&spec->list);
954 static int mlx4_en_flow_detach(struct net_device *dev,
955 struct ethtool_rxnfc *cmd)
958 struct ethtool_flow_id *rule;
959 struct mlx4_en_priv *priv = netdev_priv(dev);
961 if (cmd->fs.location >= MAX_NUM_OF_FS_RULES)
964 rule = &priv->ethtool_rules[cmd->fs.location];
970 err = mlx4_flow_detach(priv->mdev->dev, rule->id);
972 en_err(priv, "Fail to detach network rule at location %d. registration id = 0x%llx\n",
973 cmd->fs.location, rule->id);
977 memset(&rule->flow_spec, 0, sizeof(struct ethtool_rx_flow_spec));
978 list_del(&rule->list);
984 static int mlx4_en_get_flow(struct net_device *dev, struct ethtool_rxnfc *cmd,
988 struct ethtool_flow_id *rule;
989 struct mlx4_en_priv *priv = netdev_priv(dev);
991 if (loc < 0 || loc >= MAX_NUM_OF_FS_RULES)
994 rule = &priv->ethtool_rules[loc];
996 memcpy(&cmd->fs, &rule->flow_spec,
997 sizeof(struct ethtool_rx_flow_spec));
1004 static int mlx4_en_get_num_flows(struct mlx4_en_priv *priv)
1008 for (i = 0; i < MAX_NUM_OF_FS_RULES; i++) {
1009 if (priv->ethtool_rules[i].id)
1016 static int mlx4_en_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
1019 struct mlx4_en_priv *priv = netdev_priv(dev);
1020 struct mlx4_en_dev *mdev = priv->mdev;
1022 int i = 0, priority = 0;
1024 if ((cmd->cmd == ETHTOOL_GRXCLSRLCNT ||
1025 cmd->cmd == ETHTOOL_GRXCLSRULE ||
1026 cmd->cmd == ETHTOOL_GRXCLSRLALL) &&
1027 (mdev->dev->caps.steering_mode !=
1028 MLX4_STEERING_MODE_DEVICE_MANAGED || !priv->port_up))
1032 case ETHTOOL_GRXRINGS:
1033 cmd->data = priv->rx_ring_num;
1035 case ETHTOOL_GRXCLSRLCNT:
1036 cmd->rule_cnt = mlx4_en_get_num_flows(priv);
1038 case ETHTOOL_GRXCLSRULE:
1039 err = mlx4_en_get_flow(dev, cmd, cmd->fs.location);
1041 case ETHTOOL_GRXCLSRLALL:
1042 while ((!err || err == -ENOENT) && priority < cmd->rule_cnt) {
1043 err = mlx4_en_get_flow(dev, cmd, i);
1045 rule_locs[priority++] = i;
1058 static int mlx4_en_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
1061 struct mlx4_en_priv *priv = netdev_priv(dev);
1062 struct mlx4_en_dev *mdev = priv->mdev;
1064 if (mdev->dev->caps.steering_mode !=
1065 MLX4_STEERING_MODE_DEVICE_MANAGED || !priv->port_up)
1069 case ETHTOOL_SRXCLSRLINS:
1070 err = mlx4_en_flow_replace(dev, cmd);
1072 case ETHTOOL_SRXCLSRLDEL:
1073 err = mlx4_en_flow_detach(dev, cmd);
1076 en_warn(priv, "Unsupported ethtool command. (%d)\n", cmd->cmd);
1083 static void mlx4_en_get_channels(struct net_device *dev,
1084 struct ethtool_channels *channel)
1086 struct mlx4_en_priv *priv = netdev_priv(dev);
1088 memset(channel, 0, sizeof(*channel));
1090 channel->max_rx = MAX_RX_RINGS;
1091 channel->max_tx = MLX4_EN_MAX_TX_RING_P_UP;
1093 channel->rx_count = priv->rx_ring_num;
1094 channel->tx_count = priv->tx_ring_num / MLX4_EN_NUM_UP;
1097 static int mlx4_en_set_channels(struct net_device *dev,
1098 struct ethtool_channels *channel)
1100 struct mlx4_en_priv *priv = netdev_priv(dev);
1101 struct mlx4_en_dev *mdev = priv->mdev;
1105 if (channel->other_count || channel->combined_count ||
1106 channel->tx_count > MLX4_EN_MAX_TX_RING_P_UP ||
1107 channel->rx_count > MAX_RX_RINGS ||
1108 !channel->tx_count || !channel->rx_count)
1111 mutex_lock(&mdev->state_lock);
1112 if (priv->port_up) {
1114 mlx4_en_stop_port(dev, 1);
1117 mlx4_en_free_resources(priv);
1119 priv->num_tx_rings_p_up = channel->tx_count;
1120 priv->tx_ring_num = channel->tx_count * MLX4_EN_NUM_UP;
1121 priv->rx_ring_num = channel->rx_count;
1123 err = mlx4_en_alloc_resources(priv);
1125 en_err(priv, "Failed reallocating port resources\n");
1129 netif_set_real_num_tx_queues(dev, priv->tx_ring_num);
1130 netif_set_real_num_rx_queues(dev, priv->rx_ring_num);
1132 mlx4_en_setup_tc(dev, MLX4_EN_NUM_UP);
1134 en_warn(priv, "Using %d TX rings\n", priv->tx_ring_num);
1135 en_warn(priv, "Using %d RX rings\n", priv->rx_ring_num);
1138 err = mlx4_en_start_port(dev);
1140 en_err(priv, "Failed starting port\n");
1143 err = mlx4_en_moderation_update(priv);
1146 mutex_unlock(&mdev->state_lock);
1150 const struct ethtool_ops mlx4_en_ethtool_ops = {
1151 .get_drvinfo = mlx4_en_get_drvinfo,
1152 .get_settings = mlx4_en_get_settings,
1153 .set_settings = mlx4_en_set_settings,
1154 .get_link = ethtool_op_get_link,
1155 .get_strings = mlx4_en_get_strings,
1156 .get_sset_count = mlx4_en_get_sset_count,
1157 .get_ethtool_stats = mlx4_en_get_ethtool_stats,
1158 .self_test = mlx4_en_self_test,
1159 .get_wol = mlx4_en_get_wol,
1160 .set_wol = mlx4_en_set_wol,
1161 .get_msglevel = mlx4_en_get_msglevel,
1162 .set_msglevel = mlx4_en_set_msglevel,
1163 .get_coalesce = mlx4_en_get_coalesce,
1164 .set_coalesce = mlx4_en_set_coalesce,
1165 .get_pauseparam = mlx4_en_get_pauseparam,
1166 .set_pauseparam = mlx4_en_set_pauseparam,
1167 .get_ringparam = mlx4_en_get_ringparam,
1168 .set_ringparam = mlx4_en_set_ringparam,
1169 .get_rxnfc = mlx4_en_get_rxnfc,
1170 .set_rxnfc = mlx4_en_set_rxnfc,
1171 .get_rxfh_indir_size = mlx4_en_get_rxfh_indir_size,
1172 .get_rxfh_indir = mlx4_en_get_rxfh_indir,
1173 .set_rxfh_indir = mlx4_en_set_rxfh_indir,
1174 .get_channels = mlx4_en_get_channels,
1175 .set_channels = mlx4_en_set_channels,