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;
57 err = mlx4_en_set_cq_moder(priv, priv->tx_cq[i]);
63 if (priv->adaptive_rx_coal)
66 for (i = 0; i < priv->rx_ring_num; i++) {
67 priv->rx_cq[i]->moder_cnt = priv->rx_frames;
68 priv->rx_cq[i]->moder_time = priv->rx_usecs;
69 priv->last_moder_time[i] = MLX4_EN_AUTO_CONF;
71 err = mlx4_en_set_cq_moder(priv, priv->rx_cq[i]);
81 mlx4_en_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *drvinfo)
83 struct mlx4_en_priv *priv = netdev_priv(dev);
84 struct mlx4_en_dev *mdev = priv->mdev;
86 strlcpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver));
87 strlcpy(drvinfo->version, DRV_VERSION " (" DRV_RELDATE ")",
88 sizeof(drvinfo->version));
89 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
91 (u16) (mdev->dev->caps.fw_ver >> 32),
92 (u16) ((mdev->dev->caps.fw_ver >> 16) & 0xffff),
93 (u16) (mdev->dev->caps.fw_ver & 0xffff));
94 strlcpy(drvinfo->bus_info, pci_name(mdev->dev->pdev),
95 sizeof(drvinfo->bus_info));
97 drvinfo->regdump_len = 0;
98 drvinfo->eedump_len = 0;
101 static const char main_strings[][ETH_GSTRING_LEN] = {
102 "rx_packets", "tx_packets", "rx_bytes", "tx_bytes", "rx_errors",
103 "tx_errors", "rx_dropped", "tx_dropped", "multicast", "collisions",
104 "rx_length_errors", "rx_over_errors", "rx_crc_errors",
105 "rx_frame_errors", "rx_fifo_errors", "rx_missed_errors",
106 "tx_aborted_errors", "tx_carrier_errors", "tx_fifo_errors",
107 "tx_heartbeat_errors", "tx_window_errors",
109 /* port statistics */
111 "queue_stopped", "wake_queue", "tx_timeout", "rx_alloc_failed",
112 "rx_csum_good", "rx_csum_none", "tx_chksum_offload",
114 /* packet statistics */
115 "broadcast", "rx_prio_0", "rx_prio_1", "rx_prio_2", "rx_prio_3",
116 "rx_prio_4", "rx_prio_5", "rx_prio_6", "rx_prio_7", "tx_prio_0",
117 "tx_prio_1", "tx_prio_2", "tx_prio_3", "tx_prio_4", "tx_prio_5",
118 "tx_prio_6", "tx_prio_7",
120 #define NUM_MAIN_STATS 21
121 #define NUM_ALL_STATS (NUM_MAIN_STATS + NUM_PORT_STATS + NUM_PKT_STATS + NUM_PERF_STATS)
123 static const char mlx4_en_test_names[][ETH_GSTRING_LEN]= {
131 static u32 mlx4_en_get_msglevel(struct net_device *dev)
133 return ((struct mlx4_en_priv *) netdev_priv(dev))->msg_enable;
136 static void mlx4_en_set_msglevel(struct net_device *dev, u32 val)
138 ((struct mlx4_en_priv *) netdev_priv(dev))->msg_enable = val;
141 static void mlx4_en_get_wol(struct net_device *netdev,
142 struct ethtool_wolinfo *wol)
144 struct mlx4_en_priv *priv = netdev_priv(netdev);
149 if ((priv->port < 1) || (priv->port > 2)) {
150 en_err(priv, "Failed to get WoL information\n");
154 mask = (priv->port == 1) ? MLX4_DEV_CAP_FLAG_WOL_PORT1 :
155 MLX4_DEV_CAP_FLAG_WOL_PORT2;
157 if (!(priv->mdev->dev->caps.flags & mask)) {
163 err = mlx4_wol_read(priv->mdev->dev, &config, priv->port);
165 en_err(priv, "Failed to get WoL information\n");
169 if (config & MLX4_EN_WOL_MAGIC)
170 wol->supported = WAKE_MAGIC;
174 if (config & MLX4_EN_WOL_ENABLED)
175 wol->wolopts = WAKE_MAGIC;
180 static int mlx4_en_set_wol(struct net_device *netdev,
181 struct ethtool_wolinfo *wol)
183 struct mlx4_en_priv *priv = netdev_priv(netdev);
188 if ((priv->port < 1) || (priv->port > 2))
191 mask = (priv->port == 1) ? MLX4_DEV_CAP_FLAG_WOL_PORT1 :
192 MLX4_DEV_CAP_FLAG_WOL_PORT2;
194 if (!(priv->mdev->dev->caps.flags & mask))
197 if (wol->supported & ~WAKE_MAGIC)
200 err = mlx4_wol_read(priv->mdev->dev, &config, priv->port);
202 en_err(priv, "Failed to get WoL info, unable to modify\n");
206 if (wol->wolopts & WAKE_MAGIC) {
207 config |= MLX4_EN_WOL_DO_MODIFY | MLX4_EN_WOL_ENABLED |
210 config &= ~(MLX4_EN_WOL_ENABLED | MLX4_EN_WOL_MAGIC);
211 config |= MLX4_EN_WOL_DO_MODIFY;
214 err = mlx4_wol_write(priv->mdev->dev, config, priv->port);
216 en_err(priv, "Failed to set WoL information\n");
221 static int mlx4_en_get_sset_count(struct net_device *dev, int sset)
223 struct mlx4_en_priv *priv = netdev_priv(dev);
224 int bit_count = hweight64(priv->stats_bitmap);
228 return (priv->stats_bitmap ? bit_count : NUM_ALL_STATS) +
229 (priv->tx_ring_num * 2) +
230 #ifdef CONFIG_NET_RX_BUSY_POLL
231 (priv->rx_ring_num * 5);
233 (priv->rx_ring_num * 2);
236 return MLX4_EN_NUM_SELF_TEST - !(priv->mdev->dev->caps.flags
237 & MLX4_DEV_CAP_FLAG_UC_LOOPBACK) * 2;
243 static void mlx4_en_get_ethtool_stats(struct net_device *dev,
244 struct ethtool_stats *stats, uint64_t *data)
246 struct mlx4_en_priv *priv = netdev_priv(dev);
250 spin_lock_bh(&priv->stats_lock);
252 if (!(priv->stats_bitmap)) {
253 for (i = 0; i < NUM_MAIN_STATS; i++)
255 ((unsigned long *) &priv->stats)[i];
256 for (i = 0; i < NUM_PORT_STATS; i++)
258 ((unsigned long *) &priv->port_stats)[i];
259 for (i = 0; i < NUM_PKT_STATS; i++)
261 ((unsigned long *) &priv->pkstats)[i];
263 for (i = 0; i < NUM_MAIN_STATS; i++) {
264 if ((priv->stats_bitmap >> j) & 1)
266 ((unsigned long *) &priv->stats)[i];
269 for (i = 0; i < NUM_PORT_STATS; i++) {
270 if ((priv->stats_bitmap >> j) & 1)
272 ((unsigned long *) &priv->port_stats)[i];
276 for (i = 0; i < priv->tx_ring_num; i++) {
277 data[index++] = priv->tx_ring[i]->packets;
278 data[index++] = priv->tx_ring[i]->bytes;
280 for (i = 0; i < priv->rx_ring_num; i++) {
281 data[index++] = priv->rx_ring[i]->packets;
282 data[index++] = priv->rx_ring[i]->bytes;
283 #ifdef CONFIG_NET_RX_BUSY_POLL
284 data[index++] = priv->rx_ring[i]->yields;
285 data[index++] = priv->rx_ring[i]->misses;
286 data[index++] = priv->rx_ring[i]->cleaned;
289 spin_unlock_bh(&priv->stats_lock);
293 static void mlx4_en_self_test(struct net_device *dev,
294 struct ethtool_test *etest, u64 *buf)
296 mlx4_en_ex_selftest(dev, &etest->flags, buf);
299 static void mlx4_en_get_strings(struct net_device *dev,
300 uint32_t stringset, uint8_t *data)
302 struct mlx4_en_priv *priv = netdev_priv(dev);
308 for (i = 0; i < MLX4_EN_NUM_SELF_TEST - 2; i++)
309 strcpy(data + i * ETH_GSTRING_LEN, mlx4_en_test_names[i]);
310 if (priv->mdev->dev->caps.flags & MLX4_DEV_CAP_FLAG_UC_LOOPBACK)
311 for (; i < MLX4_EN_NUM_SELF_TEST; i++)
312 strcpy(data + i * ETH_GSTRING_LEN, mlx4_en_test_names[i]);
316 /* Add main counters */
317 if (!priv->stats_bitmap) {
318 for (i = 0; i < NUM_MAIN_STATS; i++)
319 strcpy(data + (index++) * ETH_GSTRING_LEN,
321 for (i = 0; i < NUM_PORT_STATS; i++)
322 strcpy(data + (index++) * ETH_GSTRING_LEN,
325 for (i = 0; i < NUM_PKT_STATS; i++)
326 strcpy(data + (index++) * ETH_GSTRING_LEN,
331 for (i = 0; i < NUM_MAIN_STATS + NUM_PORT_STATS; i++) {
332 if ((priv->stats_bitmap >> i) & 1) {
334 (index++) * ETH_GSTRING_LEN,
337 if (!(priv->stats_bitmap >> i))
340 for (i = 0; i < priv->tx_ring_num; i++) {
341 sprintf(data + (index++) * ETH_GSTRING_LEN,
343 sprintf(data + (index++) * ETH_GSTRING_LEN,
346 for (i = 0; i < priv->rx_ring_num; i++) {
347 sprintf(data + (index++) * ETH_GSTRING_LEN,
349 sprintf(data + (index++) * ETH_GSTRING_LEN,
351 #ifdef CONFIG_NET_RX_BUSY_POLL
352 sprintf(data + (index++) * ETH_GSTRING_LEN,
353 "rx%d_napi_yield", i);
354 sprintf(data + (index++) * ETH_GSTRING_LEN,
356 sprintf(data + (index++) * ETH_GSTRING_LEN,
364 static int mlx4_en_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
366 struct mlx4_en_priv *priv = netdev_priv(dev);
369 cmd->autoneg = AUTONEG_DISABLE;
370 cmd->supported = SUPPORTED_10000baseT_Full;
371 cmd->advertising = ADVERTISED_10000baseT_Full;
373 if (mlx4_en_QUERY_PORT(priv->mdev, priv->port))
376 trans_type = priv->port_state.transciver;
377 if (netif_carrier_ok(dev)) {
378 ethtool_cmd_speed_set(cmd, priv->port_state.link_speed);
379 cmd->duplex = DUPLEX_FULL;
381 ethtool_cmd_speed_set(cmd, -1);
385 if (trans_type > 0 && trans_type <= 0xC) {
386 cmd->port = PORT_FIBRE;
387 cmd->transceiver = XCVR_EXTERNAL;
388 cmd->supported |= SUPPORTED_FIBRE;
389 cmd->advertising |= ADVERTISED_FIBRE;
390 } else if (trans_type == 0x80 || trans_type == 0) {
392 cmd->transceiver = XCVR_INTERNAL;
393 cmd->supported |= SUPPORTED_TP;
394 cmd->advertising |= ADVERTISED_TP;
397 cmd->transceiver = -1;
402 static int mlx4_en_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
404 if ((cmd->autoneg == AUTONEG_ENABLE) ||
405 (ethtool_cmd_speed(cmd) != SPEED_10000) ||
406 (cmd->duplex != DUPLEX_FULL))
409 /* Nothing to change */
413 static int mlx4_en_get_coalesce(struct net_device *dev,
414 struct ethtool_coalesce *coal)
416 struct mlx4_en_priv *priv = netdev_priv(dev);
418 coal->tx_coalesce_usecs = priv->tx_usecs;
419 coal->tx_max_coalesced_frames = priv->tx_frames;
420 coal->rx_coalesce_usecs = priv->rx_usecs;
421 coal->rx_max_coalesced_frames = priv->rx_frames;
423 coal->pkt_rate_low = priv->pkt_rate_low;
424 coal->rx_coalesce_usecs_low = priv->rx_usecs_low;
425 coal->pkt_rate_high = priv->pkt_rate_high;
426 coal->rx_coalesce_usecs_high = priv->rx_usecs_high;
427 coal->rate_sample_interval = priv->sample_interval;
428 coal->use_adaptive_rx_coalesce = priv->adaptive_rx_coal;
432 static int mlx4_en_set_coalesce(struct net_device *dev,
433 struct ethtool_coalesce *coal)
435 struct mlx4_en_priv *priv = netdev_priv(dev);
437 priv->rx_frames = (coal->rx_max_coalesced_frames ==
439 MLX4_EN_RX_COAL_TARGET :
440 coal->rx_max_coalesced_frames;
441 priv->rx_usecs = (coal->rx_coalesce_usecs ==
443 MLX4_EN_RX_COAL_TIME :
444 coal->rx_coalesce_usecs;
446 /* Setting TX coalescing parameters */
447 if (coal->tx_coalesce_usecs != priv->tx_usecs ||
448 coal->tx_max_coalesced_frames != priv->tx_frames) {
449 priv->tx_usecs = coal->tx_coalesce_usecs;
450 priv->tx_frames = coal->tx_max_coalesced_frames;
453 /* Set adaptive coalescing params */
454 priv->pkt_rate_low = coal->pkt_rate_low;
455 priv->rx_usecs_low = coal->rx_coalesce_usecs_low;
456 priv->pkt_rate_high = coal->pkt_rate_high;
457 priv->rx_usecs_high = coal->rx_coalesce_usecs_high;
458 priv->sample_interval = coal->rate_sample_interval;
459 priv->adaptive_rx_coal = coal->use_adaptive_rx_coalesce;
461 return mlx4_en_moderation_update(priv);
464 static int mlx4_en_set_pauseparam(struct net_device *dev,
465 struct ethtool_pauseparam *pause)
467 struct mlx4_en_priv *priv = netdev_priv(dev);
468 struct mlx4_en_dev *mdev = priv->mdev;
471 priv->prof->tx_pause = pause->tx_pause != 0;
472 priv->prof->rx_pause = pause->rx_pause != 0;
473 err = mlx4_SET_PORT_general(mdev->dev, priv->port,
474 priv->rx_skb_size + ETH_FCS_LEN,
475 priv->prof->tx_pause,
477 priv->prof->rx_pause,
480 en_err(priv, "Failed setting pause params\n");
485 static void mlx4_en_get_pauseparam(struct net_device *dev,
486 struct ethtool_pauseparam *pause)
488 struct mlx4_en_priv *priv = netdev_priv(dev);
490 pause->tx_pause = priv->prof->tx_pause;
491 pause->rx_pause = priv->prof->rx_pause;
494 static int mlx4_en_set_ringparam(struct net_device *dev,
495 struct ethtool_ringparam *param)
497 struct mlx4_en_priv *priv = netdev_priv(dev);
498 struct mlx4_en_dev *mdev = priv->mdev;
499 u32 rx_size, tx_size;
503 if (param->rx_jumbo_pending || param->rx_mini_pending)
506 rx_size = roundup_pow_of_two(param->rx_pending);
507 rx_size = max_t(u32, rx_size, MLX4_EN_MIN_RX_SIZE);
508 rx_size = min_t(u32, rx_size, MLX4_EN_MAX_RX_SIZE);
509 tx_size = roundup_pow_of_two(param->tx_pending);
510 tx_size = max_t(u32, tx_size, MLX4_EN_MIN_TX_SIZE);
511 tx_size = min_t(u32, tx_size, MLX4_EN_MAX_TX_SIZE);
513 if (rx_size == (priv->port_up ? priv->rx_ring[0]->actual_size :
514 priv->rx_ring[0]->size) &&
515 tx_size == priv->tx_ring[0]->size)
518 mutex_lock(&mdev->state_lock);
521 mlx4_en_stop_port(dev, 1);
524 mlx4_en_free_resources(priv);
526 priv->prof->tx_ring_size = tx_size;
527 priv->prof->rx_ring_size = rx_size;
529 err = mlx4_en_alloc_resources(priv);
531 en_err(priv, "Failed reallocating port resources\n");
535 err = mlx4_en_start_port(dev);
537 en_err(priv, "Failed starting port\n");
540 err = mlx4_en_moderation_update(priv);
543 mutex_unlock(&mdev->state_lock);
547 static void mlx4_en_get_ringparam(struct net_device *dev,
548 struct ethtool_ringparam *param)
550 struct mlx4_en_priv *priv = netdev_priv(dev);
552 memset(param, 0, sizeof(*param));
553 param->rx_max_pending = MLX4_EN_MAX_RX_SIZE;
554 param->tx_max_pending = MLX4_EN_MAX_TX_SIZE;
555 param->rx_pending = priv->port_up ?
556 priv->rx_ring[0]->actual_size : priv->rx_ring[0]->size;
557 param->tx_pending = priv->tx_ring[0]->size;
560 static u32 mlx4_en_get_rxfh_indir_size(struct net_device *dev)
562 struct mlx4_en_priv *priv = netdev_priv(dev);
564 return priv->rx_ring_num;
567 static int mlx4_en_get_rxfh_indir(struct net_device *dev, u32 *ring_index)
569 struct mlx4_en_priv *priv = netdev_priv(dev);
570 struct mlx4_en_rss_map *rss_map = &priv->rss_map;
572 size_t n = priv->rx_ring_num;
575 rss_rings = priv->prof->rss_rings ?: priv->rx_ring_num;
578 ring_index[n] = rss_map->qps[n % rss_rings].qpn -
585 static int mlx4_en_set_rxfh_indir(struct net_device *dev,
586 const u32 *ring_index)
588 struct mlx4_en_priv *priv = netdev_priv(dev);
589 struct mlx4_en_dev *mdev = priv->mdev;
595 /* Calculate RSS table size and make sure flows are spread evenly
598 for (i = 0; i < priv->rx_ring_num; i++) {
599 if (i > 0 && !ring_index[i] && !rss_rings)
602 if (ring_index[i] != (i % (rss_rings ?: priv->rx_ring_num)))
607 rss_rings = priv->rx_ring_num;
609 /* RSS table size must be an order of 2 */
610 if (!is_power_of_2(rss_rings))
613 mutex_lock(&mdev->state_lock);
616 mlx4_en_stop_port(dev, 1);
619 priv->prof->rss_rings = rss_rings;
622 err = mlx4_en_start_port(dev);
624 en_err(priv, "Failed starting port\n");
627 mutex_unlock(&mdev->state_lock);
631 #define all_zeros_or_all_ones(field) \
632 ((field) == 0 || (field) == (__force typeof(field))-1)
634 static int mlx4_en_validate_flow(struct net_device *dev,
635 struct ethtool_rxnfc *cmd)
637 struct ethtool_usrip4_spec *l3_mask;
638 struct ethtool_tcpip4_spec *l4_mask;
639 struct ethhdr *eth_mask;
641 if (cmd->fs.location >= MAX_NUM_OF_FS_RULES)
644 if (cmd->fs.flow_type & FLOW_MAC_EXT) {
645 /* dest mac mask must be ff:ff:ff:ff:ff:ff */
646 if (!is_broadcast_ether_addr(cmd->fs.m_ext.h_dest))
650 switch (cmd->fs.flow_type & ~(FLOW_EXT | FLOW_MAC_EXT)) {
653 if (cmd->fs.m_u.tcp_ip4_spec.tos)
655 l4_mask = &cmd->fs.m_u.tcp_ip4_spec;
656 /* don't allow mask which isn't all 0 or 1 */
657 if (!all_zeros_or_all_ones(l4_mask->ip4src) ||
658 !all_zeros_or_all_ones(l4_mask->ip4dst) ||
659 !all_zeros_or_all_ones(l4_mask->psrc) ||
660 !all_zeros_or_all_ones(l4_mask->pdst))
664 l3_mask = &cmd->fs.m_u.usr_ip4_spec;
665 if (l3_mask->l4_4_bytes || l3_mask->tos || l3_mask->proto ||
666 cmd->fs.h_u.usr_ip4_spec.ip_ver != ETH_RX_NFC_IP4 ||
667 (!l3_mask->ip4src && !l3_mask->ip4dst) ||
668 !all_zeros_or_all_ones(l3_mask->ip4src) ||
669 !all_zeros_or_all_ones(l3_mask->ip4dst))
673 eth_mask = &cmd->fs.m_u.ether_spec;
674 /* source mac mask must not be set */
675 if (!is_zero_ether_addr(eth_mask->h_source))
678 /* dest mac mask must be ff:ff:ff:ff:ff:ff */
679 if (!is_broadcast_ether_addr(eth_mask->h_dest))
682 if (!all_zeros_or_all_ones(eth_mask->h_proto))
689 if ((cmd->fs.flow_type & FLOW_EXT)) {
690 if (cmd->fs.m_ext.vlan_etype ||
691 !((cmd->fs.m_ext.vlan_tci & cpu_to_be16(VLAN_VID_MASK)) ==
693 (cmd->fs.m_ext.vlan_tci & cpu_to_be16(VLAN_VID_MASK)) ==
694 cpu_to_be16(VLAN_VID_MASK)))
697 if (cmd->fs.m_ext.vlan_tci) {
698 if (be16_to_cpu(cmd->fs.h_ext.vlan_tci) >= VLAN_N_VID)
707 static int mlx4_en_ethtool_add_mac_rule(struct ethtool_rxnfc *cmd,
708 struct list_head *rule_list_h,
709 struct mlx4_spec_list *spec_l2,
713 __be64 mac_msk = cpu_to_be64(MLX4_MAC_MASK << 16);
715 spec_l2->id = MLX4_NET_TRANS_RULE_ID_ETH;
716 memcpy(spec_l2->eth.dst_mac_msk, &mac_msk, ETH_ALEN);
717 memcpy(spec_l2->eth.dst_mac, mac, ETH_ALEN);
719 if ((cmd->fs.flow_type & FLOW_EXT) &&
720 (cmd->fs.m_ext.vlan_tci & cpu_to_be16(VLAN_VID_MASK))) {
721 spec_l2->eth.vlan_id = cmd->fs.h_ext.vlan_tci;
722 spec_l2->eth.vlan_id_msk = cpu_to_be16(VLAN_VID_MASK);
725 list_add_tail(&spec_l2->list, rule_list_h);
730 static int mlx4_en_ethtool_add_mac_rule_by_ipv4(struct mlx4_en_priv *priv,
731 struct ethtool_rxnfc *cmd,
732 struct list_head *rule_list_h,
733 struct mlx4_spec_list *spec_l2,
737 unsigned char mac[ETH_ALEN];
739 if (!ipv4_is_multicast(ipv4_dst)) {
740 if (cmd->fs.flow_type & FLOW_MAC_EXT)
741 memcpy(&mac, cmd->fs.h_ext.h_dest, ETH_ALEN);
743 memcpy(&mac, priv->dev->dev_addr, ETH_ALEN);
745 ip_eth_mc_map(ipv4_dst, mac);
748 return mlx4_en_ethtool_add_mac_rule(cmd, rule_list_h, spec_l2, &mac[0]);
754 static int add_ip_rule(struct mlx4_en_priv *priv,
755 struct ethtool_rxnfc *cmd,
756 struct list_head *list_h)
759 struct mlx4_spec_list *spec_l2 = NULL;
760 struct mlx4_spec_list *spec_l3 = NULL;
761 struct ethtool_usrip4_spec *l3_mask = &cmd->fs.m_u.usr_ip4_spec;
763 spec_l3 = kzalloc(sizeof(*spec_l3), GFP_KERNEL);
764 spec_l2 = kzalloc(sizeof(*spec_l2), GFP_KERNEL);
765 if (!spec_l2 || !spec_l3) {
770 err = mlx4_en_ethtool_add_mac_rule_by_ipv4(priv, cmd, list_h, spec_l2,
772 usr_ip4_spec.ip4dst);
775 spec_l3->id = MLX4_NET_TRANS_RULE_ID_IPV4;
776 spec_l3->ipv4.src_ip = cmd->fs.h_u.usr_ip4_spec.ip4src;
778 spec_l3->ipv4.src_ip_msk = EN_ETHTOOL_WORD_MASK;
779 spec_l3->ipv4.dst_ip = cmd->fs.h_u.usr_ip4_spec.ip4dst;
781 spec_l3->ipv4.dst_ip_msk = EN_ETHTOOL_WORD_MASK;
782 list_add_tail(&spec_l3->list, list_h);
792 static int add_tcp_udp_rule(struct mlx4_en_priv *priv,
793 struct ethtool_rxnfc *cmd,
794 struct list_head *list_h, int proto)
797 struct mlx4_spec_list *spec_l2 = NULL;
798 struct mlx4_spec_list *spec_l3 = NULL;
799 struct mlx4_spec_list *spec_l4 = NULL;
800 struct ethtool_tcpip4_spec *l4_mask = &cmd->fs.m_u.tcp_ip4_spec;
802 spec_l2 = kzalloc(sizeof(*spec_l2), GFP_KERNEL);
803 spec_l3 = kzalloc(sizeof(*spec_l3), GFP_KERNEL);
804 spec_l4 = kzalloc(sizeof(*spec_l4), GFP_KERNEL);
805 if (!spec_l2 || !spec_l3 || !spec_l4) {
810 spec_l3->id = MLX4_NET_TRANS_RULE_ID_IPV4;
812 if (proto == TCP_V4_FLOW) {
813 err = mlx4_en_ethtool_add_mac_rule_by_ipv4(priv, cmd, list_h,
816 tcp_ip4_spec.ip4dst);
819 spec_l4->id = MLX4_NET_TRANS_RULE_ID_TCP;
820 spec_l3->ipv4.src_ip = cmd->fs.h_u.tcp_ip4_spec.ip4src;
821 spec_l3->ipv4.dst_ip = cmd->fs.h_u.tcp_ip4_spec.ip4dst;
822 spec_l4->tcp_udp.src_port = cmd->fs.h_u.tcp_ip4_spec.psrc;
823 spec_l4->tcp_udp.dst_port = cmd->fs.h_u.tcp_ip4_spec.pdst;
825 err = mlx4_en_ethtool_add_mac_rule_by_ipv4(priv, cmd, list_h,
828 udp_ip4_spec.ip4dst);
831 spec_l4->id = MLX4_NET_TRANS_RULE_ID_UDP;
832 spec_l3->ipv4.src_ip = cmd->fs.h_u.udp_ip4_spec.ip4src;
833 spec_l3->ipv4.dst_ip = cmd->fs.h_u.udp_ip4_spec.ip4dst;
834 spec_l4->tcp_udp.src_port = cmd->fs.h_u.udp_ip4_spec.psrc;
835 spec_l4->tcp_udp.dst_port = cmd->fs.h_u.udp_ip4_spec.pdst;
839 spec_l3->ipv4.src_ip_msk = EN_ETHTOOL_WORD_MASK;
841 spec_l3->ipv4.dst_ip_msk = EN_ETHTOOL_WORD_MASK;
844 spec_l4->tcp_udp.src_port_msk = EN_ETHTOOL_SHORT_MASK;
846 spec_l4->tcp_udp.dst_port_msk = EN_ETHTOOL_SHORT_MASK;
848 list_add_tail(&spec_l3->list, list_h);
849 list_add_tail(&spec_l4->list, list_h);
860 static int mlx4_en_ethtool_to_net_trans_rule(struct net_device *dev,
861 struct ethtool_rxnfc *cmd,
862 struct list_head *rule_list_h)
865 struct ethhdr *eth_spec;
866 struct mlx4_spec_list *spec_l2;
867 struct mlx4_en_priv *priv = netdev_priv(dev);
869 err = mlx4_en_validate_flow(dev, cmd);
873 switch (cmd->fs.flow_type & ~(FLOW_EXT | FLOW_MAC_EXT)) {
875 spec_l2 = kzalloc(sizeof(*spec_l2), GFP_KERNEL);
879 eth_spec = &cmd->fs.h_u.ether_spec;
880 mlx4_en_ethtool_add_mac_rule(cmd, rule_list_h, spec_l2,
881 ð_spec->h_dest[0]);
882 spec_l2->eth.ether_type = eth_spec->h_proto;
883 if (eth_spec->h_proto)
884 spec_l2->eth.ether_type_enable = 1;
887 err = add_ip_rule(priv, cmd, rule_list_h);
890 err = add_tcp_udp_rule(priv, cmd, rule_list_h, TCP_V4_FLOW);
893 err = add_tcp_udp_rule(priv, cmd, rule_list_h, UDP_V4_FLOW);
900 static int mlx4_en_flow_replace(struct net_device *dev,
901 struct ethtool_rxnfc *cmd)
904 struct mlx4_en_priv *priv = netdev_priv(dev);
905 struct ethtool_flow_id *loc_rule;
906 struct mlx4_spec_list *spec, *tmp_spec;
910 struct mlx4_net_trans_rule rule = {
911 .queue_mode = MLX4_NET_TRANS_Q_FIFO,
914 .promisc_mode = MLX4_FS_REGULAR,
917 rule.port = priv->port;
918 rule.priority = MLX4_DOMAIN_ETHTOOL | cmd->fs.location;
919 INIT_LIST_HEAD(&rule.list);
921 /* Allow direct QP attaches if the EN_ETHTOOL_QP_ATTACH flag is set */
922 if (cmd->fs.ring_cookie == RX_CLS_FLOW_DISC)
923 qpn = priv->drop_qp.qpn;
924 else if (cmd->fs.ring_cookie & EN_ETHTOOL_QP_ATTACH) {
925 qpn = cmd->fs.ring_cookie & (EN_ETHTOOL_QP_ATTACH - 1);
927 if (cmd->fs.ring_cookie >= priv->rx_ring_num) {
928 en_warn(priv, "rxnfc: RX ring (%llu) doesn't exist.\n",
929 cmd->fs.ring_cookie);
932 qpn = priv->rss_map.qps[cmd->fs.ring_cookie].qpn;
934 en_warn(priv, "rxnfc: RX ring (%llu) is inactive.\n",
935 cmd->fs.ring_cookie);
940 err = mlx4_en_ethtool_to_net_trans_rule(dev, cmd, &rule.list);
944 loc_rule = &priv->ethtool_rules[cmd->fs.location];
946 err = mlx4_flow_detach(priv->mdev->dev, loc_rule->id);
948 en_err(priv, "Fail to detach network rule at location %d. registration id = %llx\n",
949 cmd->fs.location, loc_rule->id);
953 memset(&loc_rule->flow_spec, 0,
954 sizeof(struct ethtool_rx_flow_spec));
955 list_del(&loc_rule->list);
957 err = mlx4_flow_attach(priv->mdev->dev, &rule, ®_id);
959 en_err(priv, "Fail to attach network rule at location %d.\n",
963 loc_rule->id = reg_id;
964 memcpy(&loc_rule->flow_spec, &cmd->fs,
965 sizeof(struct ethtool_rx_flow_spec));
966 list_add_tail(&loc_rule->list, &priv->ethtool_list);
969 list_for_each_entry_safe(spec, tmp_spec, &rule.list, list) {
970 list_del(&spec->list);
976 static int mlx4_en_flow_detach(struct net_device *dev,
977 struct ethtool_rxnfc *cmd)
980 struct ethtool_flow_id *rule;
981 struct mlx4_en_priv *priv = netdev_priv(dev);
983 if (cmd->fs.location >= MAX_NUM_OF_FS_RULES)
986 rule = &priv->ethtool_rules[cmd->fs.location];
992 err = mlx4_flow_detach(priv->mdev->dev, rule->id);
994 en_err(priv, "Fail to detach network rule at location %d. registration id = 0x%llx\n",
995 cmd->fs.location, rule->id);
999 memset(&rule->flow_spec, 0, sizeof(struct ethtool_rx_flow_spec));
1000 list_del(&rule->list);
1006 static int mlx4_en_get_flow(struct net_device *dev, struct ethtool_rxnfc *cmd,
1010 struct ethtool_flow_id *rule;
1011 struct mlx4_en_priv *priv = netdev_priv(dev);
1013 if (loc < 0 || loc >= MAX_NUM_OF_FS_RULES)
1016 rule = &priv->ethtool_rules[loc];
1018 memcpy(&cmd->fs, &rule->flow_spec,
1019 sizeof(struct ethtool_rx_flow_spec));
1026 static int mlx4_en_get_num_flows(struct mlx4_en_priv *priv)
1030 for (i = 0; i < MAX_NUM_OF_FS_RULES; i++) {
1031 if (priv->ethtool_rules[i].id)
1038 static int mlx4_en_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
1041 struct mlx4_en_priv *priv = netdev_priv(dev);
1042 struct mlx4_en_dev *mdev = priv->mdev;
1044 int i = 0, priority = 0;
1046 if ((cmd->cmd == ETHTOOL_GRXCLSRLCNT ||
1047 cmd->cmd == ETHTOOL_GRXCLSRULE ||
1048 cmd->cmd == ETHTOOL_GRXCLSRLALL) &&
1049 (mdev->dev->caps.steering_mode !=
1050 MLX4_STEERING_MODE_DEVICE_MANAGED || !priv->port_up))
1054 case ETHTOOL_GRXRINGS:
1055 cmd->data = priv->rx_ring_num;
1057 case ETHTOOL_GRXCLSRLCNT:
1058 cmd->rule_cnt = mlx4_en_get_num_flows(priv);
1060 case ETHTOOL_GRXCLSRULE:
1061 err = mlx4_en_get_flow(dev, cmd, cmd->fs.location);
1063 case ETHTOOL_GRXCLSRLALL:
1064 while ((!err || err == -ENOENT) && priority < cmd->rule_cnt) {
1065 err = mlx4_en_get_flow(dev, cmd, i);
1067 rule_locs[priority++] = i;
1080 static int mlx4_en_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
1083 struct mlx4_en_priv *priv = netdev_priv(dev);
1084 struct mlx4_en_dev *mdev = priv->mdev;
1086 if (mdev->dev->caps.steering_mode !=
1087 MLX4_STEERING_MODE_DEVICE_MANAGED || !priv->port_up)
1091 case ETHTOOL_SRXCLSRLINS:
1092 err = mlx4_en_flow_replace(dev, cmd);
1094 case ETHTOOL_SRXCLSRLDEL:
1095 err = mlx4_en_flow_detach(dev, cmd);
1098 en_warn(priv, "Unsupported ethtool command. (%d)\n", cmd->cmd);
1105 static void mlx4_en_get_channels(struct net_device *dev,
1106 struct ethtool_channels *channel)
1108 struct mlx4_en_priv *priv = netdev_priv(dev);
1110 memset(channel, 0, sizeof(*channel));
1112 channel->max_rx = MAX_RX_RINGS;
1113 channel->max_tx = MLX4_EN_MAX_TX_RING_P_UP;
1115 channel->rx_count = priv->rx_ring_num;
1116 channel->tx_count = priv->tx_ring_num / MLX4_EN_NUM_UP;
1119 static int mlx4_en_set_channels(struct net_device *dev,
1120 struct ethtool_channels *channel)
1122 struct mlx4_en_priv *priv = netdev_priv(dev);
1123 struct mlx4_en_dev *mdev = priv->mdev;
1127 if (channel->other_count || channel->combined_count ||
1128 channel->tx_count > MLX4_EN_MAX_TX_RING_P_UP ||
1129 channel->rx_count > MAX_RX_RINGS ||
1130 !channel->tx_count || !channel->rx_count)
1133 mutex_lock(&mdev->state_lock);
1134 if (priv->port_up) {
1136 mlx4_en_stop_port(dev, 1);
1139 mlx4_en_free_resources(priv);
1141 priv->num_tx_rings_p_up = channel->tx_count;
1142 priv->tx_ring_num = channel->tx_count * MLX4_EN_NUM_UP;
1143 priv->rx_ring_num = channel->rx_count;
1145 err = mlx4_en_alloc_resources(priv);
1147 en_err(priv, "Failed reallocating port resources\n");
1151 netif_set_real_num_tx_queues(dev, priv->tx_ring_num);
1152 netif_set_real_num_rx_queues(dev, priv->rx_ring_num);
1154 mlx4_en_setup_tc(dev, MLX4_EN_NUM_UP);
1156 en_warn(priv, "Using %d TX rings\n", priv->tx_ring_num);
1157 en_warn(priv, "Using %d RX rings\n", priv->rx_ring_num);
1160 err = mlx4_en_start_port(dev);
1162 en_err(priv, "Failed starting port\n");
1165 err = mlx4_en_moderation_update(priv);
1168 mutex_unlock(&mdev->state_lock);
1172 static int mlx4_en_get_ts_info(struct net_device *dev,
1173 struct ethtool_ts_info *info)
1175 struct mlx4_en_priv *priv = netdev_priv(dev);
1176 struct mlx4_en_dev *mdev = priv->mdev;
1179 ret = ethtool_op_get_ts_info(dev, info);
1183 if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS) {
1184 info->so_timestamping |=
1185 SOF_TIMESTAMPING_TX_HARDWARE |
1186 SOF_TIMESTAMPING_RX_HARDWARE |
1187 SOF_TIMESTAMPING_RAW_HARDWARE;
1190 (1 << HWTSTAMP_TX_OFF) |
1191 (1 << HWTSTAMP_TX_ON);
1194 (1 << HWTSTAMP_FILTER_NONE) |
1195 (1 << HWTSTAMP_FILTER_ALL);
1197 if (mdev->ptp_clock)
1198 info->phc_index = ptp_clock_index(mdev->ptp_clock);
1204 const struct ethtool_ops mlx4_en_ethtool_ops = {
1205 .get_drvinfo = mlx4_en_get_drvinfo,
1206 .get_settings = mlx4_en_get_settings,
1207 .set_settings = mlx4_en_set_settings,
1208 .get_link = ethtool_op_get_link,
1209 .get_strings = mlx4_en_get_strings,
1210 .get_sset_count = mlx4_en_get_sset_count,
1211 .get_ethtool_stats = mlx4_en_get_ethtool_stats,
1212 .self_test = mlx4_en_self_test,
1213 .get_wol = mlx4_en_get_wol,
1214 .set_wol = mlx4_en_set_wol,
1215 .get_msglevel = mlx4_en_get_msglevel,
1216 .set_msglevel = mlx4_en_set_msglevel,
1217 .get_coalesce = mlx4_en_get_coalesce,
1218 .set_coalesce = mlx4_en_set_coalesce,
1219 .get_pauseparam = mlx4_en_get_pauseparam,
1220 .set_pauseparam = mlx4_en_set_pauseparam,
1221 .get_ringparam = mlx4_en_get_ringparam,
1222 .set_ringparam = mlx4_en_set_ringparam,
1223 .get_rxnfc = mlx4_en_get_rxnfc,
1224 .set_rxnfc = mlx4_en_set_rxnfc,
1225 .get_rxfh_indir_size = mlx4_en_get_rxfh_indir_size,
1226 .get_rxfh_indir = mlx4_en_get_rxfh_indir,
1227 .set_rxfh_indir = mlx4_en_set_rxfh_indir,
1228 .get_channels = mlx4_en_get_channels,
1229 .set_channels = mlx4_en_set_channels,
1230 .get_ts_info = mlx4_en_get_ts_info,