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 strncpy(drvinfo->driver, DRV_NAME, 32);
49 strncpy(drvinfo->version, DRV_VERSION " (" DRV_RELDATE ")", 32);
50 sprintf(drvinfo->fw_version, "%d.%d.%d",
51 (u16) (mdev->dev->caps.fw_ver >> 32),
52 (u16) ((mdev->dev->caps.fw_ver >> 16) & 0xffff),
53 (u16) (mdev->dev->caps.fw_ver & 0xffff));
54 strncpy(drvinfo->bus_info, pci_name(mdev->dev->pdev), 32);
56 drvinfo->regdump_len = 0;
57 drvinfo->eedump_len = 0;
60 static const char main_strings[][ETH_GSTRING_LEN] = {
61 "rx_packets", "tx_packets", "rx_bytes", "tx_bytes", "rx_errors",
62 "tx_errors", "rx_dropped", "tx_dropped", "multicast", "collisions",
63 "rx_length_errors", "rx_over_errors", "rx_crc_errors",
64 "rx_frame_errors", "rx_fifo_errors", "rx_missed_errors",
65 "tx_aborted_errors", "tx_carrier_errors", "tx_fifo_errors",
66 "tx_heartbeat_errors", "tx_window_errors",
70 "queue_stopped", "wake_queue", "tx_timeout", "rx_alloc_failed",
71 "rx_csum_good", "rx_csum_none", "tx_chksum_offload",
73 /* packet statistics */
74 "broadcast", "rx_prio_0", "rx_prio_1", "rx_prio_2", "rx_prio_3",
75 "rx_prio_4", "rx_prio_5", "rx_prio_6", "rx_prio_7", "tx_prio_0",
76 "tx_prio_1", "tx_prio_2", "tx_prio_3", "tx_prio_4", "tx_prio_5",
77 "tx_prio_6", "tx_prio_7",
79 #define NUM_MAIN_STATS 21
80 #define NUM_ALL_STATS (NUM_MAIN_STATS + NUM_PORT_STATS + NUM_PKT_STATS + NUM_PERF_STATS)
82 static const char mlx4_en_test_names[][ETH_GSTRING_LEN]= {
90 static u32 mlx4_en_get_msglevel(struct net_device *dev)
92 return ((struct mlx4_en_priv *) netdev_priv(dev))->msg_enable;
95 static void mlx4_en_set_msglevel(struct net_device *dev, u32 val)
97 ((struct mlx4_en_priv *) netdev_priv(dev))->msg_enable = val;
100 static void mlx4_en_get_wol(struct net_device *netdev,
101 struct ethtool_wolinfo *wol)
103 struct mlx4_en_priv *priv = netdev_priv(netdev);
104 struct mlx4_caps *caps = &priv->mdev->dev->caps;
108 if (!(caps->flags & MLX4_DEV_CAP_FLAG_WOL)) {
114 if (caps->wol_port[priv->port])
115 wol->supported = WAKE_MAGIC;
119 err = mlx4_wol_read(priv->mdev->dev, &config, priv->port);
121 en_err(priv, "Failed to get WoL information\n");
125 if ((config & MLX4_EN_WOL_ENABLED) && (config & MLX4_EN_WOL_MAGIC))
126 wol->wolopts = WAKE_MAGIC;
131 static int mlx4_en_set_wol(struct net_device *netdev,
132 struct ethtool_wolinfo *wol)
134 struct mlx4_en_priv *priv = netdev_priv(netdev);
138 if (!(priv->mdev->dev->caps.flags & MLX4_DEV_CAP_FLAG_WOL))
141 if (wol->supported & ~WAKE_MAGIC)
144 err = mlx4_wol_read(priv->mdev->dev, &config, priv->port);
146 en_err(priv, "Failed to get WoL info, unable to modify\n");
150 if (wol->wolopts & WAKE_MAGIC) {
151 config |= MLX4_EN_WOL_DO_MODIFY | MLX4_EN_WOL_ENABLED |
154 config &= ~(MLX4_EN_WOL_ENABLED | MLX4_EN_WOL_MAGIC);
155 config |= MLX4_EN_WOL_DO_MODIFY;
158 err = mlx4_wol_write(priv->mdev->dev, config, priv->port);
160 en_err(priv, "Failed to set WoL information\n");
165 static int mlx4_en_get_sset_count(struct net_device *dev, int sset)
167 struct mlx4_en_priv *priv = netdev_priv(dev);
171 return NUM_ALL_STATS +
172 (priv->tx_ring_num + priv->rx_ring_num) * 2;
174 return MLX4_EN_NUM_SELF_TEST - !(priv->mdev->dev->caps.flags
175 & MLX4_DEV_CAP_FLAG_UC_LOOPBACK) * 2;
181 static void mlx4_en_get_ethtool_stats(struct net_device *dev,
182 struct ethtool_stats *stats, uint64_t *data)
184 struct mlx4_en_priv *priv = netdev_priv(dev);
188 spin_lock_bh(&priv->stats_lock);
190 for (i = 0; i < NUM_MAIN_STATS; i++)
191 data[index++] = ((unsigned long *) &priv->stats)[i];
192 for (i = 0; i < NUM_PORT_STATS; i++)
193 data[index++] = ((unsigned long *) &priv->port_stats)[i];
194 for (i = 0; i < priv->tx_ring_num; i++) {
195 data[index++] = priv->tx_ring[i].packets;
196 data[index++] = priv->tx_ring[i].bytes;
198 for (i = 0; i < priv->rx_ring_num; i++) {
199 data[index++] = priv->rx_ring[i].packets;
200 data[index++] = priv->rx_ring[i].bytes;
202 for (i = 0; i < NUM_PKT_STATS; i++)
203 data[index++] = ((unsigned long *) &priv->pkstats)[i];
204 spin_unlock_bh(&priv->stats_lock);
208 static void mlx4_en_self_test(struct net_device *dev,
209 struct ethtool_test *etest, u64 *buf)
211 mlx4_en_ex_selftest(dev, &etest->flags, buf);
214 static void mlx4_en_get_strings(struct net_device *dev,
215 uint32_t stringset, uint8_t *data)
217 struct mlx4_en_priv *priv = netdev_priv(dev);
223 for (i = 0; i < MLX4_EN_NUM_SELF_TEST - 2; i++)
224 strcpy(data + i * ETH_GSTRING_LEN, mlx4_en_test_names[i]);
225 if (priv->mdev->dev->caps.flags & MLX4_DEV_CAP_FLAG_UC_LOOPBACK)
226 for (; i < MLX4_EN_NUM_SELF_TEST; i++)
227 strcpy(data + i * ETH_GSTRING_LEN, mlx4_en_test_names[i]);
231 /* Add main counters */
232 for (i = 0; i < NUM_MAIN_STATS; i++)
233 strcpy(data + (index++) * ETH_GSTRING_LEN, main_strings[i]);
234 for (i = 0; i< NUM_PORT_STATS; i++)
235 strcpy(data + (index++) * ETH_GSTRING_LEN,
236 main_strings[i + NUM_MAIN_STATS]);
237 for (i = 0; i < priv->tx_ring_num; i++) {
238 sprintf(data + (index++) * ETH_GSTRING_LEN,
240 sprintf(data + (index++) * ETH_GSTRING_LEN,
243 for (i = 0; i < priv->rx_ring_num; i++) {
244 sprintf(data + (index++) * ETH_GSTRING_LEN,
246 sprintf(data + (index++) * ETH_GSTRING_LEN,
249 for (i = 0; i< NUM_PKT_STATS; i++)
250 strcpy(data + (index++) * ETH_GSTRING_LEN,
251 main_strings[i + NUM_MAIN_STATS + NUM_PORT_STATS]);
256 static int mlx4_en_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
258 struct mlx4_en_priv *priv = netdev_priv(dev);
261 cmd->autoneg = AUTONEG_DISABLE;
262 cmd->supported = SUPPORTED_10000baseT_Full;
263 cmd->advertising = ADVERTISED_10000baseT_Full;
265 if (mlx4_en_QUERY_PORT(priv->mdev, priv->port))
268 trans_type = priv->port_state.transciver;
269 if (netif_carrier_ok(dev)) {
270 ethtool_cmd_speed_set(cmd, priv->port_state.link_speed);
271 cmd->duplex = DUPLEX_FULL;
273 ethtool_cmd_speed_set(cmd, -1);
277 if (trans_type > 0 && trans_type <= 0xC) {
278 cmd->port = PORT_FIBRE;
279 cmd->transceiver = XCVR_EXTERNAL;
280 cmd->supported |= SUPPORTED_FIBRE;
281 cmd->advertising |= ADVERTISED_FIBRE;
282 } else if (trans_type == 0x80 || trans_type == 0) {
284 cmd->transceiver = XCVR_INTERNAL;
285 cmd->supported |= SUPPORTED_TP;
286 cmd->advertising |= ADVERTISED_TP;
289 cmd->transceiver = -1;
294 static int mlx4_en_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
296 if ((cmd->autoneg == AUTONEG_ENABLE) ||
297 (ethtool_cmd_speed(cmd) != SPEED_10000) ||
298 (cmd->duplex != DUPLEX_FULL))
301 /* Nothing to change */
305 static int mlx4_en_get_coalesce(struct net_device *dev,
306 struct ethtool_coalesce *coal)
308 struct mlx4_en_priv *priv = netdev_priv(dev);
310 coal->tx_coalesce_usecs = 0;
311 coal->tx_max_coalesced_frames = 0;
312 coal->rx_coalesce_usecs = priv->rx_usecs;
313 coal->rx_max_coalesced_frames = priv->rx_frames;
315 coal->pkt_rate_low = priv->pkt_rate_low;
316 coal->rx_coalesce_usecs_low = priv->rx_usecs_low;
317 coal->pkt_rate_high = priv->pkt_rate_high;
318 coal->rx_coalesce_usecs_high = priv->rx_usecs_high;
319 coal->rate_sample_interval = priv->sample_interval;
320 coal->use_adaptive_rx_coalesce = priv->adaptive_rx_coal;
324 static int mlx4_en_set_coalesce(struct net_device *dev,
325 struct ethtool_coalesce *coal)
327 struct mlx4_en_priv *priv = netdev_priv(dev);
330 priv->rx_frames = (coal->rx_max_coalesced_frames ==
332 MLX4_EN_RX_COAL_TARGET :
333 coal->rx_max_coalesced_frames;
334 priv->rx_usecs = (coal->rx_coalesce_usecs ==
336 MLX4_EN_RX_COAL_TIME :
337 coal->rx_coalesce_usecs;
339 /* Set adaptive coalescing params */
340 priv->pkt_rate_low = coal->pkt_rate_low;
341 priv->rx_usecs_low = coal->rx_coalesce_usecs_low;
342 priv->pkt_rate_high = coal->pkt_rate_high;
343 priv->rx_usecs_high = coal->rx_coalesce_usecs_high;
344 priv->sample_interval = coal->rate_sample_interval;
345 priv->adaptive_rx_coal = coal->use_adaptive_rx_coalesce;
346 if (priv->adaptive_rx_coal)
349 for (i = 0; i < priv->rx_ring_num; i++) {
350 priv->rx_cq[i].moder_cnt = priv->rx_frames;
351 priv->rx_cq[i].moder_time = priv->rx_usecs;
352 priv->last_moder_time[i] = MLX4_EN_AUTO_CONF;
353 err = mlx4_en_set_cq_moder(priv, &priv->rx_cq[i]);
360 static int mlx4_en_set_pauseparam(struct net_device *dev,
361 struct ethtool_pauseparam *pause)
363 struct mlx4_en_priv *priv = netdev_priv(dev);
364 struct mlx4_en_dev *mdev = priv->mdev;
370 priv->prof->tx_pause = pause->tx_pause != 0;
371 priv->prof->rx_pause = pause->rx_pause != 0;
372 err = mlx4_SET_PORT_general(mdev->dev, priv->port,
373 priv->rx_skb_size + ETH_FCS_LEN,
374 priv->prof->tx_pause,
376 priv->prof->rx_pause,
379 en_err(priv, "Failed setting pause params\n");
384 static void mlx4_en_get_pauseparam(struct net_device *dev,
385 struct ethtool_pauseparam *pause)
387 struct mlx4_en_priv *priv = netdev_priv(dev);
389 pause->tx_pause = priv->prof->tx_pause;
390 pause->rx_pause = priv->prof->rx_pause;
393 static int mlx4_en_set_ringparam(struct net_device *dev,
394 struct ethtool_ringparam *param)
396 struct mlx4_en_priv *priv = netdev_priv(dev);
397 struct mlx4_en_dev *mdev = priv->mdev;
398 u32 rx_size, tx_size;
403 if (param->rx_jumbo_pending || param->rx_mini_pending)
406 rx_size = roundup_pow_of_two(param->rx_pending);
407 rx_size = max_t(u32, rx_size, MLX4_EN_MIN_RX_SIZE);
408 rx_size = min_t(u32, rx_size, MLX4_EN_MAX_RX_SIZE);
409 tx_size = roundup_pow_of_two(param->tx_pending);
410 tx_size = max_t(u32, tx_size, MLX4_EN_MIN_TX_SIZE);
411 tx_size = min_t(u32, tx_size, MLX4_EN_MAX_TX_SIZE);
413 if (rx_size == (priv->port_up ? priv->rx_ring[0].actual_size :
414 priv->rx_ring[0].size) &&
415 tx_size == priv->tx_ring[0].size)
418 mutex_lock(&mdev->state_lock);
421 mlx4_en_stop_port(dev);
424 mlx4_en_free_resources(priv);
426 priv->prof->tx_ring_size = tx_size;
427 priv->prof->rx_ring_size = rx_size;
429 err = mlx4_en_alloc_resources(priv);
431 en_err(priv, "Failed reallocating port resources\n");
435 err = mlx4_en_start_port(dev);
437 en_err(priv, "Failed starting port\n");
440 for (i = 0; i < priv->rx_ring_num; i++) {
441 priv->rx_cq[i].moder_cnt = priv->rx_frames;
442 priv->rx_cq[i].moder_time = priv->rx_usecs;
443 priv->last_moder_time[i] = MLX4_EN_AUTO_CONF;
444 err = mlx4_en_set_cq_moder(priv, &priv->rx_cq[i]);
450 mutex_unlock(&mdev->state_lock);
454 static void mlx4_en_get_ringparam(struct net_device *dev,
455 struct ethtool_ringparam *param)
457 struct mlx4_en_priv *priv = netdev_priv(dev);
459 memset(param, 0, sizeof(*param));
460 param->rx_max_pending = MLX4_EN_MAX_RX_SIZE;
461 param->tx_max_pending = MLX4_EN_MAX_TX_SIZE;
462 param->rx_pending = priv->port_up ?
463 priv->rx_ring[0].actual_size : priv->rx_ring[0].size;
464 param->tx_pending = priv->tx_ring[0].size;
467 const struct ethtool_ops mlx4_en_ethtool_ops = {
468 .get_drvinfo = mlx4_en_get_drvinfo,
469 .get_settings = mlx4_en_get_settings,
470 .set_settings = mlx4_en_set_settings,
471 .get_link = ethtool_op_get_link,
472 .get_strings = mlx4_en_get_strings,
473 .get_sset_count = mlx4_en_get_sset_count,
474 .get_ethtool_stats = mlx4_en_get_ethtool_stats,
475 .self_test = mlx4_en_self_test,
476 .get_wol = mlx4_en_get_wol,
477 .set_wol = mlx4_en_set_wol,
478 .get_msglevel = mlx4_en_get_msglevel,
479 .set_msglevel = mlx4_en_set_msglevel,
480 .get_coalesce = mlx4_en_get_coalesce,
481 .set_coalesce = mlx4_en_set_coalesce,
482 .get_pauseparam = mlx4_en_get_pauseparam,
483 .set_pauseparam = mlx4_en_set_pauseparam,
484 .get_ringparam = mlx4_en_get_ringparam,
485 .set_ringparam = mlx4_en_set_ringparam,