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/if_vlan.h>
43 static void mlx4_en_update_lro_stats(struct mlx4_en_priv *priv)
47 priv->port_stats.lro_aggregated = 0;
48 priv->port_stats.lro_flushed = 0;
49 priv->port_stats.lro_no_desc = 0;
51 for (i = 0; i < priv->rx_ring_num; i++) {
52 priv->port_stats.lro_aggregated += priv->rx_ring[i].lro.stats.aggregated;
53 priv->port_stats.lro_flushed += priv->rx_ring[i].lro.stats.flushed;
54 priv->port_stats.lro_no_desc += priv->rx_ring[i].lro.stats.no_desc;
59 mlx4_en_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *drvinfo)
61 struct mlx4_en_priv *priv = netdev_priv(dev);
62 struct mlx4_en_dev *mdev = priv->mdev;
64 sprintf(drvinfo->driver, DRV_NAME " (%s)", mdev->dev->board_id);
65 strncpy(drvinfo->version, DRV_VERSION " (" DRV_RELDATE ")", 32);
66 sprintf(drvinfo->fw_version, "%d.%d.%d",
67 (u16) (mdev->dev->caps.fw_ver >> 32),
68 (u16) ((mdev->dev->caps.fw_ver >> 16) & 0xffff),
69 (u16) (mdev->dev->caps.fw_ver & 0xffff));
70 strncpy(drvinfo->bus_info, pci_name(mdev->dev->pdev), 32);
72 drvinfo->regdump_len = 0;
73 drvinfo->eedump_len = 0;
76 static u32 mlx4_en_get_tso(struct net_device *dev)
78 return (dev->features & NETIF_F_TSO) != 0;
81 static int mlx4_en_set_tso(struct net_device *dev, u32 data)
83 struct mlx4_en_priv *priv = netdev_priv(dev);
86 if (!priv->mdev->LSO_support)
88 dev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
89 #ifdef HAVE_NETDEV_VLAN_FEATURES
90 dev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO6);
94 struct net_device *vdev;
95 for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
96 vdev = vlan_group_get_device(priv->vlgrp, i);
98 vdev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
99 vlan_group_set_device(priv->vlgrp, i, vdev);
105 dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO6);
106 #ifdef HAVE_NETDEV_VLAN_FEATURES
107 dev->vlan_features &= ~(NETIF_F_TSO | NETIF_F_TSO6);
111 struct net_device *vdev;
112 for (i = 0; i < VLAN_GROUP_ARRAY_LEN; i++) {
113 vdev = vlan_group_get_device(priv->vlgrp, i);
115 vdev->features &= ~(NETIF_F_TSO | NETIF_F_TSO6);
116 vlan_group_set_device(priv->vlgrp, i, vdev);
125 static u32 mlx4_en_get_rx_csum(struct net_device *dev)
127 struct mlx4_en_priv *priv = netdev_priv(dev);
128 return priv->rx_csum;
131 static int mlx4_en_set_rx_csum(struct net_device *dev, u32 data)
133 struct mlx4_en_priv *priv = netdev_priv(dev);
134 priv->rx_csum = (data != 0);
138 static const char main_strings[][ETH_GSTRING_LEN] = {
139 "rx_packets", "tx_packets", "rx_bytes", "tx_bytes", "rx_errors",
140 "tx_errors", "rx_dropped", "tx_dropped", "multicast", "collisions",
141 "rx_length_errors", "rx_over_errors", "rx_crc_errors",
142 "rx_frame_errors", "rx_fifo_errors", "rx_missed_errors",
143 "tx_aborted_errors", "tx_carrier_errors", "tx_fifo_errors",
144 "tx_heartbeat_errors", "tx_window_errors",
146 /* port statistics */
147 "lro_aggregated", "lro_flushed", "lro_no_desc", "tso_packets",
148 "queue_stopped", "wake_queue", "tx_timeout", "rx_alloc_failed",
149 "rx_csum_good", "rx_csum_none", "tx_chksum_offload",
151 /* packet statistics */
152 "broadcast", "rx_prio_0", "rx_prio_1", "rx_prio_2", "rx_prio_3",
153 "rx_prio_4", "rx_prio_5", "rx_prio_6", "rx_prio_7", "tx_prio_0",
154 "tx_prio_1", "tx_prio_2", "tx_prio_3", "tx_prio_4", "tx_prio_5",
155 "tx_prio_6", "tx_prio_7",
157 #define NUM_MAIN_STATS 21
158 #define NUM_ALL_STATS (NUM_MAIN_STATS + NUM_PORT_STATS + NUM_PKT_STATS + NUM_PERF_STATS)
160 static const char mlx4_en_test_names[][ETH_GSTRING_LEN]= {
168 static u32 mlx4_en_get_msglevel(struct net_device *dev)
170 return ((struct mlx4_en_priv *) netdev_priv(dev))->msg_enable;
173 static void mlx4_en_set_msglevel(struct net_device *dev, u32 val)
175 ((struct mlx4_en_priv *) netdev_priv(dev))->msg_enable = val;
178 static void mlx4_en_get_wol(struct net_device *netdev,
179 struct ethtool_wolinfo *wol)
187 static int mlx4_en_get_sset_count(struct net_device *dev, int sset)
189 struct mlx4_en_priv *priv = netdev_priv(dev);
193 return NUM_ALL_STATS +
194 (priv->tx_ring_num + priv->rx_ring_num) * 2;
196 return MLX4_EN_NUM_SELF_TEST - !(priv->mdev->dev->caps.loopback_support) * 2;
202 static void mlx4_en_get_ethtool_stats(struct net_device *dev,
203 struct ethtool_stats *stats, uint64_t *data)
205 struct mlx4_en_priv *priv = netdev_priv(dev);
209 spin_lock_bh(&priv->stats_lock);
211 mlx4_en_update_lro_stats(priv);
213 for (i = 0; i < NUM_MAIN_STATS; i++)
214 data[index++] = ((unsigned long *) &priv->stats)[i];
215 for (i = 0; i < NUM_PORT_STATS; i++)
216 data[index++] = ((unsigned long *) &priv->port_stats)[i];
217 for (i = 0; i < priv->tx_ring_num; i++) {
218 data[index++] = priv->tx_ring[i].packets;
219 data[index++] = priv->tx_ring[i].bytes;
221 for (i = 0; i < priv->rx_ring_num; i++) {
222 data[index++] = priv->rx_ring[i].packets;
223 data[index++] = priv->rx_ring[i].bytes;
225 for (i = 0; i < NUM_PKT_STATS; i++)
226 data[index++] = ((unsigned long *) &priv->pkstats)[i];
227 spin_unlock_bh(&priv->stats_lock);
231 static void mlx4_en_self_test(struct net_device *dev,
232 struct ethtool_test *etest, u64 *buf)
234 mlx4_en_ex_selftest(dev, &etest->flags, buf);
237 static void mlx4_en_get_strings(struct net_device *dev,
238 uint32_t stringset, uint8_t *data)
240 struct mlx4_en_priv *priv = netdev_priv(dev);
246 for (i = 0; i < MLX4_EN_NUM_SELF_TEST - 2; i++)
247 strcpy(data + i * ETH_GSTRING_LEN, mlx4_en_test_names[i]);
248 if (priv->mdev->dev->caps.loopback_support)
249 for (; i < MLX4_EN_NUM_SELF_TEST; i++)
250 strcpy(data + i * ETH_GSTRING_LEN, mlx4_en_test_names[i]);
254 /* Add main counters */
255 for (i = 0; i < NUM_MAIN_STATS; i++)
256 strcpy(data + (index++) * ETH_GSTRING_LEN, main_strings[i]);
257 for (i = 0; i< NUM_PORT_STATS; i++)
258 strcpy(data + (index++) * ETH_GSTRING_LEN,
259 main_strings[i + NUM_MAIN_STATS]);
260 for (i = 0; i < priv->tx_ring_num; i++) {
261 sprintf(data + (index++) * ETH_GSTRING_LEN,
263 sprintf(data + (index++) * ETH_GSTRING_LEN,
266 for (i = 0; i < priv->rx_ring_num; i++) {
267 sprintf(data + (index++) * ETH_GSTRING_LEN,
269 sprintf(data + (index++) * ETH_GSTRING_LEN,
272 for (i = 0; i< NUM_PKT_STATS; i++)
273 strcpy(data + (index++) * ETH_GSTRING_LEN,
274 main_strings[i + NUM_MAIN_STATS + NUM_PORT_STATS]);
279 static int mlx4_en_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
281 struct mlx4_en_priv *priv = netdev_priv(dev);
284 cmd->autoneg = AUTONEG_DISABLE;
285 cmd->supported = SUPPORTED_10000baseT_Full;
286 cmd->advertising = ADVERTISED_10000baseT_Full;
288 if (mlx4_en_QUERY_PORT(priv->mdev, priv->port))
291 trans_type = priv->port_state.transciver;
292 if (netif_carrier_ok(dev)) {
293 cmd->speed = priv->port_state.link_speed;
294 cmd->duplex = DUPLEX_FULL;
300 if (trans_type > 0 && trans_type <= 0xC) {
301 cmd->port = PORT_FIBRE;
302 cmd->transceiver = XCVR_EXTERNAL;
303 cmd->supported |= SUPPORTED_FIBRE;
304 cmd->advertising |= ADVERTISED_FIBRE;
305 } else if (trans_type == 0x80 || trans_type == 0) {
307 cmd->transceiver = XCVR_INTERNAL;
308 cmd->supported |= SUPPORTED_TP;
309 cmd->advertising |= ADVERTISED_TP;
312 cmd->transceiver = -1;
317 static int mlx4_en_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
319 if ((cmd->autoneg == AUTONEG_ENABLE) ||
320 (cmd->speed != SPEED_10000) || (cmd->duplex != DUPLEX_FULL))
323 /* Nothing to change */
327 static int mlx4_en_get_coalesce(struct net_device *dev,
328 struct ethtool_coalesce *coal)
330 struct mlx4_en_priv *priv = netdev_priv(dev);
332 coal->tx_coalesce_usecs = 0;
333 coal->tx_max_coalesced_frames = 0;
334 coal->rx_coalesce_usecs = priv->rx_usecs;
335 coal->rx_max_coalesced_frames = priv->rx_frames;
337 coal->pkt_rate_low = priv->pkt_rate_low;
338 coal->rx_coalesce_usecs_low = priv->rx_usecs_low;
339 coal->pkt_rate_high = priv->pkt_rate_high;
340 coal->rx_coalesce_usecs_high = priv->rx_usecs_high;
341 coal->rate_sample_interval = priv->sample_interval;
342 coal->use_adaptive_rx_coalesce = priv->adaptive_rx_coal;
346 static int mlx4_en_set_coalesce(struct net_device *dev,
347 struct ethtool_coalesce *coal)
349 struct mlx4_en_priv *priv = netdev_priv(dev);
352 priv->rx_frames = (coal->rx_max_coalesced_frames ==
354 MLX4_EN_RX_COAL_TARGET /
356 coal->rx_max_coalesced_frames;
357 priv->rx_usecs = (coal->rx_coalesce_usecs ==
359 MLX4_EN_RX_COAL_TIME :
360 coal->rx_coalesce_usecs;
362 /* Set adaptive coalescing params */
363 priv->pkt_rate_low = coal->pkt_rate_low;
364 priv->rx_usecs_low = coal->rx_coalesce_usecs_low;
365 priv->pkt_rate_high = coal->pkt_rate_high;
366 priv->rx_usecs_high = coal->rx_coalesce_usecs_high;
367 priv->sample_interval = coal->rate_sample_interval;
368 priv->adaptive_rx_coal = coal->use_adaptive_rx_coalesce;
369 priv->last_moder_time = MLX4_EN_AUTO_CONF;
370 if (priv->adaptive_rx_coal)
373 for (i = 0; i < priv->rx_ring_num; i++) {
374 priv->rx_cq[i].moder_cnt = priv->rx_frames;
375 priv->rx_cq[i].moder_time = priv->rx_usecs;
376 err = mlx4_en_set_cq_moder(priv, &priv->rx_cq[i]);
383 static int mlx4_en_set_pauseparam(struct net_device *dev,
384 struct ethtool_pauseparam *pause)
386 struct mlx4_en_priv *priv = netdev_priv(dev);
387 struct mlx4_en_dev *mdev = priv->mdev;
390 priv->prof->tx_pause = pause->tx_pause != 0;
391 priv->prof->rx_pause = pause->rx_pause != 0;
392 err = mlx4_SET_PORT_general(mdev->dev, priv->port,
393 priv->rx_mb_size + ETH_FCS_LEN,
394 priv->prof->tx_pause,
396 priv->prof->rx_pause,
399 en_err(priv, "Failed setting pause params\n");
404 static void mlx4_en_get_pauseparam(struct net_device *dev,
405 struct ethtool_pauseparam *pause)
407 struct mlx4_en_priv *priv = netdev_priv(dev);
409 pause->tx_pause = priv->prof->tx_pause;
410 pause->rx_pause = priv->prof->rx_pause;
413 static int mlx4_en_set_ringparam(struct net_device *dev,
414 struct ethtool_ringparam *param)
416 struct mlx4_en_priv *priv = netdev_priv(dev);
417 struct mlx4_en_dev *mdev = priv->mdev;
418 u32 rx_size, tx_size;
422 if (param->rx_jumbo_pending || param->rx_mini_pending)
425 rx_size = roundup_pow_of_two(param->rx_pending);
426 rx_size = max_t(u32, rx_size, MLX4_EN_MIN_RX_SIZE);
427 rx_size = min_t(u32, rx_size, MLX4_EN_MAX_RX_SIZE);
428 tx_size = roundup_pow_of_two(param->tx_pending);
429 tx_size = max_t(u32, tx_size, MLX4_EN_MIN_TX_SIZE);
430 tx_size = min_t(u32, tx_size, MLX4_EN_MAX_TX_SIZE);
432 if (rx_size == (priv->port_up ? priv->rx_ring[0].actual_size :
433 priv->rx_ring[0].size) &&
434 tx_size == priv->tx_ring[0].size)
437 mutex_lock(&mdev->state_lock);
440 mlx4_en_stop_port(dev);
443 mlx4_en_free_resources(priv);
445 priv->prof->tx_ring_size = tx_size;
446 priv->prof->rx_ring_size = rx_size;
448 err = mlx4_en_alloc_resources(priv);
450 en_err(priv, "Failed reallocating port resources\n");
454 err = mlx4_en_start_port(dev);
456 en_err(priv, "Failed starting port\n");
460 mutex_unlock(&mdev->state_lock);
464 static void mlx4_en_get_ringparam(struct net_device *dev,
465 struct ethtool_ringparam *param)
467 struct mlx4_en_priv *priv = netdev_priv(dev);
469 memset(param, 0, sizeof(*param));
470 param->rx_max_pending = MLX4_EN_MAX_RX_SIZE;
471 param->tx_max_pending = MLX4_EN_MAX_TX_SIZE;
472 param->rx_pending = priv->port_up ?
473 priv->rx_ring[0].actual_size : priv->rx_ring[0].size;
474 param->tx_pending = priv->tx_ring[0].size;
477 const struct ethtool_ops mlx4_en_ethtool_ops = {
478 .get_drvinfo = mlx4_en_get_drvinfo,
479 .get_settings = mlx4_en_get_settings,
480 .set_settings = mlx4_en_set_settings,
482 .get_tso = mlx4_en_get_tso,
483 .set_tso = mlx4_en_set_tso,
485 .get_sg = ethtool_op_get_sg,
486 .set_sg = ethtool_op_set_sg,
487 .get_link = ethtool_op_get_link,
488 .get_rx_csum = mlx4_en_get_rx_csum,
489 .set_rx_csum = mlx4_en_set_rx_csum,
490 .get_tx_csum = ethtool_op_get_tx_csum,
491 .set_tx_csum = ethtool_op_set_tx_ipv6_csum,
492 .get_strings = mlx4_en_get_strings,
493 .get_sset_count = mlx4_en_get_sset_count,
494 .get_ethtool_stats = mlx4_en_get_ethtool_stats,
495 .self_test = mlx4_en_self_test,
496 .get_wol = mlx4_en_get_wol,
497 .set_wol = mlx4_en_set_wol,
498 .get_msglevel = mlx4_en_get_msglevel,
499 .set_msglevel = mlx4_en_set_msglevel,
500 .get_coalesce = mlx4_en_get_coalesce,
501 .set_coalesce = mlx4_en_set_coalesce,
502 .get_pauseparam = mlx4_en_get_pauseparam,
503 .set_pauseparam = mlx4_en_set_pauseparam,
504 .get_ringparam = mlx4_en_get_ringparam,
505 .set_ringparam = mlx4_en_set_ringparam,
506 .get_flags = ethtool_op_get_flags,
507 .set_flags = ethtool_op_set_flags,