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>
43 mlx4_en_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *drvinfo)
45 struct mlx4_en_priv *priv = netdev_priv(dev);
46 struct mlx4_en_dev *mdev = priv->mdev;
48 strlcpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver));
49 strlcpy(drvinfo->version, DRV_VERSION " (" DRV_RELDATE ")",
50 sizeof(drvinfo->version));
51 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
53 (u16) (mdev->dev->caps.fw_ver >> 32),
54 (u16) ((mdev->dev->caps.fw_ver >> 16) & 0xffff),
55 (u16) (mdev->dev->caps.fw_ver & 0xffff));
56 strlcpy(drvinfo->bus_info, pci_name(mdev->dev->pdev),
57 sizeof(drvinfo->bus_info));
59 drvinfo->regdump_len = 0;
60 drvinfo->eedump_len = 0;
63 static const char main_strings[][ETH_GSTRING_LEN] = {
64 "rx_packets", "tx_packets", "rx_bytes", "tx_bytes", "rx_errors",
65 "tx_errors", "rx_dropped", "tx_dropped", "multicast", "collisions",
66 "rx_length_errors", "rx_over_errors", "rx_crc_errors",
67 "rx_frame_errors", "rx_fifo_errors", "rx_missed_errors",
68 "tx_aborted_errors", "tx_carrier_errors", "tx_fifo_errors",
69 "tx_heartbeat_errors", "tx_window_errors",
73 "queue_stopped", "wake_queue", "tx_timeout", "rx_alloc_failed",
74 "rx_csum_good", "rx_csum_none", "tx_chksum_offload",
76 /* packet statistics */
77 "broadcast", "rx_prio_0", "rx_prio_1", "rx_prio_2", "rx_prio_3",
78 "rx_prio_4", "rx_prio_5", "rx_prio_6", "rx_prio_7", "tx_prio_0",
79 "tx_prio_1", "tx_prio_2", "tx_prio_3", "tx_prio_4", "tx_prio_5",
80 "tx_prio_6", "tx_prio_7",
82 #define NUM_MAIN_STATS 21
83 #define NUM_ALL_STATS (NUM_MAIN_STATS + NUM_PORT_STATS + NUM_PKT_STATS + NUM_PERF_STATS)
85 static const char mlx4_en_test_names[][ETH_GSTRING_LEN]= {
93 static u32 mlx4_en_get_msglevel(struct net_device *dev)
95 return ((struct mlx4_en_priv *) netdev_priv(dev))->msg_enable;
98 static void mlx4_en_set_msglevel(struct net_device *dev, u32 val)
100 ((struct mlx4_en_priv *) netdev_priv(dev))->msg_enable = val;
103 static void mlx4_en_get_wol(struct net_device *netdev,
104 struct ethtool_wolinfo *wol)
106 struct mlx4_en_priv *priv = netdev_priv(netdev);
111 if ((priv->port < 1) || (priv->port > 2)) {
112 en_err(priv, "Failed to get WoL information\n");
116 mask = (priv->port == 1) ? MLX4_DEV_CAP_FLAG_WOL_PORT1 :
117 MLX4_DEV_CAP_FLAG_WOL_PORT2;
119 if (!(priv->mdev->dev->caps.flags & mask)) {
125 err = mlx4_wol_read(priv->mdev->dev, &config, priv->port);
127 en_err(priv, "Failed to get WoL information\n");
131 if (config & MLX4_EN_WOL_MAGIC)
132 wol->supported = WAKE_MAGIC;
136 if (config & MLX4_EN_WOL_ENABLED)
137 wol->wolopts = WAKE_MAGIC;
142 static int mlx4_en_set_wol(struct net_device *netdev,
143 struct ethtool_wolinfo *wol)
145 struct mlx4_en_priv *priv = netdev_priv(netdev);
150 if ((priv->port < 1) || (priv->port > 2))
153 mask = (priv->port == 1) ? MLX4_DEV_CAP_FLAG_WOL_PORT1 :
154 MLX4_DEV_CAP_FLAG_WOL_PORT2;
156 if (!(priv->mdev->dev->caps.flags & mask))
159 if (wol->supported & ~WAKE_MAGIC)
162 err = mlx4_wol_read(priv->mdev->dev, &config, priv->port);
164 en_err(priv, "Failed to get WoL info, unable to modify\n");
168 if (wol->wolopts & WAKE_MAGIC) {
169 config |= MLX4_EN_WOL_DO_MODIFY | MLX4_EN_WOL_ENABLED |
172 config &= ~(MLX4_EN_WOL_ENABLED | MLX4_EN_WOL_MAGIC);
173 config |= MLX4_EN_WOL_DO_MODIFY;
176 err = mlx4_wol_write(priv->mdev->dev, config, priv->port);
178 en_err(priv, "Failed to set WoL information\n");
183 static int mlx4_en_get_sset_count(struct net_device *dev, int sset)
185 struct mlx4_en_priv *priv = netdev_priv(dev);
189 return NUM_ALL_STATS +
190 (priv->tx_ring_num + priv->rx_ring_num) * 2;
192 return MLX4_EN_NUM_SELF_TEST - !(priv->mdev->dev->caps.flags
193 & MLX4_DEV_CAP_FLAG_UC_LOOPBACK) * 2;
199 static void mlx4_en_get_ethtool_stats(struct net_device *dev,
200 struct ethtool_stats *stats, uint64_t *data)
202 struct mlx4_en_priv *priv = netdev_priv(dev);
206 spin_lock_bh(&priv->stats_lock);
208 for (i = 0; i < NUM_MAIN_STATS; i++)
209 data[index++] = ((unsigned long *) &priv->stats)[i];
210 for (i = 0; i < NUM_PORT_STATS; i++)
211 data[index++] = ((unsigned long *) &priv->port_stats)[i];
212 for (i = 0; i < priv->tx_ring_num; i++) {
213 data[index++] = priv->tx_ring[i].packets;
214 data[index++] = priv->tx_ring[i].bytes;
216 for (i = 0; i < priv->rx_ring_num; i++) {
217 data[index++] = priv->rx_ring[i].packets;
218 data[index++] = priv->rx_ring[i].bytes;
220 for (i = 0; i < NUM_PKT_STATS; i++)
221 data[index++] = ((unsigned long *) &priv->pkstats)[i];
222 spin_unlock_bh(&priv->stats_lock);
226 static void mlx4_en_self_test(struct net_device *dev,
227 struct ethtool_test *etest, u64 *buf)
229 mlx4_en_ex_selftest(dev, &etest->flags, buf);
232 static void mlx4_en_get_strings(struct net_device *dev,
233 uint32_t stringset, uint8_t *data)
235 struct mlx4_en_priv *priv = netdev_priv(dev);
241 for (i = 0; i < MLX4_EN_NUM_SELF_TEST - 2; i++)
242 strcpy(data + i * ETH_GSTRING_LEN, mlx4_en_test_names[i]);
243 if (priv->mdev->dev->caps.flags & MLX4_DEV_CAP_FLAG_UC_LOOPBACK)
244 for (; i < MLX4_EN_NUM_SELF_TEST; i++)
245 strcpy(data + i * ETH_GSTRING_LEN, mlx4_en_test_names[i]);
249 /* Add main counters */
250 for (i = 0; i < NUM_MAIN_STATS; i++)
251 strcpy(data + (index++) * ETH_GSTRING_LEN, main_strings[i]);
252 for (i = 0; i< NUM_PORT_STATS; i++)
253 strcpy(data + (index++) * ETH_GSTRING_LEN,
254 main_strings[i + NUM_MAIN_STATS]);
255 for (i = 0; i < priv->tx_ring_num; i++) {
256 sprintf(data + (index++) * ETH_GSTRING_LEN,
258 sprintf(data + (index++) * ETH_GSTRING_LEN,
261 for (i = 0; i < priv->rx_ring_num; i++) {
262 sprintf(data + (index++) * ETH_GSTRING_LEN,
264 sprintf(data + (index++) * ETH_GSTRING_LEN,
267 for (i = 0; i< NUM_PKT_STATS; i++)
268 strcpy(data + (index++) * ETH_GSTRING_LEN,
269 main_strings[i + NUM_MAIN_STATS + NUM_PORT_STATS]);
274 static int mlx4_en_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
276 struct mlx4_en_priv *priv = netdev_priv(dev);
279 cmd->autoneg = AUTONEG_DISABLE;
280 cmd->supported = SUPPORTED_10000baseT_Full;
281 cmd->advertising = ADVERTISED_10000baseT_Full;
283 if (mlx4_en_QUERY_PORT(priv->mdev, priv->port))
286 trans_type = priv->port_state.transciver;
287 if (netif_carrier_ok(dev)) {
288 ethtool_cmd_speed_set(cmd, priv->port_state.link_speed);
289 cmd->duplex = DUPLEX_FULL;
291 ethtool_cmd_speed_set(cmd, -1);
295 if (trans_type > 0 && trans_type <= 0xC) {
296 cmd->port = PORT_FIBRE;
297 cmd->transceiver = XCVR_EXTERNAL;
298 cmd->supported |= SUPPORTED_FIBRE;
299 cmd->advertising |= ADVERTISED_FIBRE;
300 } else if (trans_type == 0x80 || trans_type == 0) {
302 cmd->transceiver = XCVR_INTERNAL;
303 cmd->supported |= SUPPORTED_TP;
304 cmd->advertising |= ADVERTISED_TP;
307 cmd->transceiver = -1;
312 static int mlx4_en_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
314 if ((cmd->autoneg == AUTONEG_ENABLE) ||
315 (ethtool_cmd_speed(cmd) != SPEED_10000) ||
316 (cmd->duplex != DUPLEX_FULL))
319 /* Nothing to change */
323 static int mlx4_en_get_coalesce(struct net_device *dev,
324 struct ethtool_coalesce *coal)
326 struct mlx4_en_priv *priv = netdev_priv(dev);
328 coal->tx_coalesce_usecs = 0;
329 coal->tx_max_coalesced_frames = 0;
330 coal->rx_coalesce_usecs = priv->rx_usecs;
331 coal->rx_max_coalesced_frames = priv->rx_frames;
333 coal->pkt_rate_low = priv->pkt_rate_low;
334 coal->rx_coalesce_usecs_low = priv->rx_usecs_low;
335 coal->pkt_rate_high = priv->pkt_rate_high;
336 coal->rx_coalesce_usecs_high = priv->rx_usecs_high;
337 coal->rate_sample_interval = priv->sample_interval;
338 coal->use_adaptive_rx_coalesce = priv->adaptive_rx_coal;
342 static int mlx4_en_set_coalesce(struct net_device *dev,
343 struct ethtool_coalesce *coal)
345 struct mlx4_en_priv *priv = netdev_priv(dev);
348 priv->rx_frames = (coal->rx_max_coalesced_frames ==
350 MLX4_EN_RX_COAL_TARGET :
351 coal->rx_max_coalesced_frames;
352 priv->rx_usecs = (coal->rx_coalesce_usecs ==
354 MLX4_EN_RX_COAL_TIME :
355 coal->rx_coalesce_usecs;
357 /* Set adaptive coalescing params */
358 priv->pkt_rate_low = coal->pkt_rate_low;
359 priv->rx_usecs_low = coal->rx_coalesce_usecs_low;
360 priv->pkt_rate_high = coal->pkt_rate_high;
361 priv->rx_usecs_high = coal->rx_coalesce_usecs_high;
362 priv->sample_interval = coal->rate_sample_interval;
363 priv->adaptive_rx_coal = coal->use_adaptive_rx_coalesce;
364 if (priv->adaptive_rx_coal)
367 for (i = 0; i < priv->rx_ring_num; i++) {
368 priv->rx_cq[i].moder_cnt = priv->rx_frames;
369 priv->rx_cq[i].moder_time = priv->rx_usecs;
370 priv->last_moder_time[i] = MLX4_EN_AUTO_CONF;
371 err = mlx4_en_set_cq_moder(priv, &priv->rx_cq[i]);
378 static int mlx4_en_set_pauseparam(struct net_device *dev,
379 struct ethtool_pauseparam *pause)
381 struct mlx4_en_priv *priv = netdev_priv(dev);
382 struct mlx4_en_dev *mdev = priv->mdev;
385 priv->prof->tx_pause = pause->tx_pause != 0;
386 priv->prof->rx_pause = pause->rx_pause != 0;
387 err = mlx4_SET_PORT_general(mdev->dev, priv->port,
388 priv->rx_skb_size + ETH_FCS_LEN,
389 priv->prof->tx_pause,
391 priv->prof->rx_pause,
394 en_err(priv, "Failed setting pause params\n");
399 static void mlx4_en_get_pauseparam(struct net_device *dev,
400 struct ethtool_pauseparam *pause)
402 struct mlx4_en_priv *priv = netdev_priv(dev);
404 pause->tx_pause = priv->prof->tx_pause;
405 pause->rx_pause = priv->prof->rx_pause;
408 static int mlx4_en_set_ringparam(struct net_device *dev,
409 struct ethtool_ringparam *param)
411 struct mlx4_en_priv *priv = netdev_priv(dev);
412 struct mlx4_en_dev *mdev = priv->mdev;
413 u32 rx_size, tx_size;
418 if (param->rx_jumbo_pending || param->rx_mini_pending)
421 rx_size = roundup_pow_of_two(param->rx_pending);
422 rx_size = max_t(u32, rx_size, MLX4_EN_MIN_RX_SIZE);
423 rx_size = min_t(u32, rx_size, MLX4_EN_MAX_RX_SIZE);
424 tx_size = roundup_pow_of_two(param->tx_pending);
425 tx_size = max_t(u32, tx_size, MLX4_EN_MIN_TX_SIZE);
426 tx_size = min_t(u32, tx_size, MLX4_EN_MAX_TX_SIZE);
428 if (rx_size == (priv->port_up ? priv->rx_ring[0].actual_size :
429 priv->rx_ring[0].size) &&
430 tx_size == priv->tx_ring[0].size)
433 mutex_lock(&mdev->state_lock);
436 mlx4_en_stop_port(dev);
439 mlx4_en_free_resources(priv);
441 priv->prof->tx_ring_size = tx_size;
442 priv->prof->rx_ring_size = rx_size;
444 err = mlx4_en_alloc_resources(priv);
446 en_err(priv, "Failed reallocating port resources\n");
450 err = mlx4_en_start_port(dev);
452 en_err(priv, "Failed starting port\n");
455 for (i = 0; i < priv->rx_ring_num; i++) {
456 priv->rx_cq[i].moder_cnt = priv->rx_frames;
457 priv->rx_cq[i].moder_time = priv->rx_usecs;
458 priv->last_moder_time[i] = MLX4_EN_AUTO_CONF;
459 err = mlx4_en_set_cq_moder(priv, &priv->rx_cq[i]);
465 mutex_unlock(&mdev->state_lock);
469 static void mlx4_en_get_ringparam(struct net_device *dev,
470 struct ethtool_ringparam *param)
472 struct mlx4_en_priv *priv = netdev_priv(dev);
474 memset(param, 0, sizeof(*param));
475 param->rx_max_pending = MLX4_EN_MAX_RX_SIZE;
476 param->tx_max_pending = MLX4_EN_MAX_TX_SIZE;
477 param->rx_pending = priv->port_up ?
478 priv->rx_ring[0].actual_size : priv->rx_ring[0].size;
479 param->tx_pending = priv->tx_ring[0].size;
482 const struct ethtool_ops mlx4_en_ethtool_ops = {
483 .get_drvinfo = mlx4_en_get_drvinfo,
484 .get_settings = mlx4_en_get_settings,
485 .set_settings = mlx4_en_set_settings,
486 .get_link = ethtool_op_get_link,
487 .get_strings = mlx4_en_get_strings,
488 .get_sset_count = mlx4_en_get_sset_count,
489 .get_ethtool_stats = mlx4_en_get_ethtool_stats,
490 .self_test = mlx4_en_self_test,
491 .get_wol = mlx4_en_get_wol,
492 .set_wol = mlx4_en_set_wol,
493 .get_msglevel = mlx4_en_get_msglevel,
494 .set_msglevel = mlx4_en_set_msglevel,
495 .get_coalesce = mlx4_en_get_coalesce,
496 .set_coalesce = mlx4_en_set_coalesce,
497 .get_pauseparam = mlx4_en_get_pauseparam,
498 .set_pauseparam = mlx4_en_set_pauseparam,
499 .get_ringparam = mlx4_en_get_ringparam,
500 .set_ringparam = mlx4_en_set_ringparam,