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>
42 static void mlx4_en_update_lro_stats(struct mlx4_en_priv *priv)
46 priv->port_stats.lro_aggregated = 0;
47 priv->port_stats.lro_flushed = 0;
48 priv->port_stats.lro_no_desc = 0;
50 for (i = 0; i < priv->rx_ring_num; i++) {
51 priv->port_stats.lro_aggregated += priv->rx_ring[i].lro.stats.aggregated;
52 priv->port_stats.lro_flushed += priv->rx_ring[i].lro.stats.flushed;
53 priv->port_stats.lro_no_desc += priv->rx_ring[i].lro.stats.no_desc;
58 mlx4_en_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *drvinfo)
60 struct mlx4_en_priv *priv = netdev_priv(dev);
61 struct mlx4_en_dev *mdev = priv->mdev;
63 sprintf(drvinfo->driver, DRV_NAME " (%s)", mdev->dev->board_id);
64 strncpy(drvinfo->version, DRV_VERSION " (" DRV_RELDATE ")", 32);
65 sprintf(drvinfo->fw_version, "%d.%d.%d",
66 (u16) (mdev->dev->caps.fw_ver >> 32),
67 (u16) ((mdev->dev->caps.fw_ver >> 16) & 0xffff),
68 (u16) (mdev->dev->caps.fw_ver & 0xffff));
69 strncpy(drvinfo->bus_info, pci_name(mdev->dev->pdev), 32);
71 drvinfo->regdump_len = 0;
72 drvinfo->eedump_len = 0;
75 static u32 mlx4_en_get_tso(struct net_device *dev)
77 return (dev->features & NETIF_F_TSO) != 0;
80 static int mlx4_en_set_tso(struct net_device *dev, u32 data)
82 struct mlx4_en_priv *priv = netdev_priv(dev);
85 if (!priv->mdev->LSO_support)
87 dev->features |= (NETIF_F_TSO | NETIF_F_TSO6);
89 dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO6);
93 static u32 mlx4_en_get_rx_csum(struct net_device *dev)
95 struct mlx4_en_priv *priv = netdev_priv(dev);
99 static int mlx4_en_set_rx_csum(struct net_device *dev, u32 data)
101 struct mlx4_en_priv *priv = netdev_priv(dev);
102 priv->rx_csum = (data != 0);
106 static const char main_strings[][ETH_GSTRING_LEN] = {
107 "rx_packets", "tx_packets", "rx_bytes", "tx_bytes", "rx_errors",
108 "tx_errors", "rx_dropped", "tx_dropped", "multicast", "collisions",
109 "rx_length_errors", "rx_over_errors", "rx_crc_errors",
110 "rx_frame_errors", "rx_fifo_errors", "rx_missed_errors",
111 "tx_aborted_errors", "tx_carrier_errors", "tx_fifo_errors",
112 "tx_heartbeat_errors", "tx_window_errors",
114 /* port statistics */
115 "lro_aggregated", "lro_flushed", "lro_no_desc", "tso_packets",
116 "queue_stopped", "wake_queue", "tx_timeout", "rx_alloc_failed",
117 "rx_csum_good", "rx_csum_none", "tx_chksum_offload",
119 /* packet statistics */
120 "broadcast", "rx_prio_0", "rx_prio_1", "rx_prio_2", "rx_prio_3",
121 "rx_prio_4", "rx_prio_5", "rx_prio_6", "rx_prio_7", "tx_prio_0",
122 "tx_prio_1", "tx_prio_2", "tx_prio_3", "tx_prio_4", "tx_prio_5",
123 "tx_prio_6", "tx_prio_7",
125 #define NUM_MAIN_STATS 21
126 #define NUM_ALL_STATS (NUM_MAIN_STATS + NUM_PORT_STATS + NUM_PKT_STATS + NUM_PERF_STATS)
128 static u32 mlx4_en_get_msglevel(struct net_device *dev)
130 return ((struct mlx4_en_priv *) netdev_priv(dev))->msg_enable;
133 static void mlx4_en_set_msglevel(struct net_device *dev, u32 val)
135 ((struct mlx4_en_priv *) netdev_priv(dev))->msg_enable = val;
138 static void mlx4_en_get_wol(struct net_device *netdev,
139 struct ethtool_wolinfo *wol)
147 static int mlx4_en_get_sset_count(struct net_device *dev, int sset)
149 struct mlx4_en_priv *priv = netdev_priv(dev);
151 if (sset != ETH_SS_STATS)
154 return NUM_ALL_STATS + (priv->tx_ring_num + priv->rx_ring_num) * 2;
157 static void mlx4_en_get_ethtool_stats(struct net_device *dev,
158 struct ethtool_stats *stats, uint64_t *data)
160 struct mlx4_en_priv *priv = netdev_priv(dev);
164 spin_lock_bh(&priv->stats_lock);
166 mlx4_en_update_lro_stats(priv);
168 for (i = 0; i < NUM_MAIN_STATS; i++)
169 data[index++] = ((unsigned long *) &priv->stats)[i];
170 for (i = 0; i < NUM_PORT_STATS; i++)
171 data[index++] = ((unsigned long *) &priv->port_stats)[i];
172 for (i = 0; i < priv->tx_ring_num; i++) {
173 data[index++] = priv->tx_ring[i].packets;
174 data[index++] = priv->tx_ring[i].bytes;
176 for (i = 0; i < priv->rx_ring_num; i++) {
177 data[index++] = priv->rx_ring[i].packets;
178 data[index++] = priv->rx_ring[i].bytes;
180 for (i = 0; i < NUM_PKT_STATS; i++)
181 data[index++] = ((unsigned long *) &priv->pkstats)[i];
182 spin_unlock_bh(&priv->stats_lock);
186 static void mlx4_en_get_strings(struct net_device *dev,
187 uint32_t stringset, uint8_t *data)
189 struct mlx4_en_priv *priv = netdev_priv(dev);
193 if (stringset != ETH_SS_STATS)
196 /* Add main counters */
197 for (i = 0; i < NUM_MAIN_STATS; i++)
198 strcpy(data + (index++) * ETH_GSTRING_LEN, main_strings[i]);
199 for (i = 0; i < NUM_PORT_STATS; i++)
200 strcpy(data + (index++) * ETH_GSTRING_LEN,
201 main_strings[i + NUM_MAIN_STATS]);
202 for (i = 0; i < priv->tx_ring_num; i++) {
203 sprintf(data + (index++) * ETH_GSTRING_LEN,
205 sprintf(data + (index++) * ETH_GSTRING_LEN,
208 for (i = 0; i < priv->rx_ring_num; i++) {
209 sprintf(data + (index++) * ETH_GSTRING_LEN,
211 sprintf(data + (index++) * ETH_GSTRING_LEN,
214 for (i = 0; i < NUM_PKT_STATS; i++)
215 strcpy(data + (index++) * ETH_GSTRING_LEN,
216 main_strings[i + NUM_MAIN_STATS + NUM_PORT_STATS]);
219 static int mlx4_en_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
221 cmd->autoneg = AUTONEG_DISABLE;
222 cmd->supported = SUPPORTED_10000baseT_Full;
223 cmd->advertising = SUPPORTED_10000baseT_Full;
224 if (netif_carrier_ok(dev)) {
225 cmd->speed = SPEED_10000;
226 cmd->duplex = DUPLEX_FULL;
234 static int mlx4_en_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
236 if ((cmd->autoneg == AUTONEG_ENABLE) ||
237 (cmd->speed != SPEED_10000) || (cmd->duplex != DUPLEX_FULL))
240 /* Nothing to change */
244 static int mlx4_en_get_coalesce(struct net_device *dev,
245 struct ethtool_coalesce *coal)
247 struct mlx4_en_priv *priv = netdev_priv(dev);
249 coal->tx_coalesce_usecs = 0;
250 coal->tx_max_coalesced_frames = 0;
251 coal->rx_coalesce_usecs = priv->rx_usecs;
252 coal->rx_max_coalesced_frames = priv->rx_frames;
254 coal->pkt_rate_low = priv->pkt_rate_low;
255 coal->rx_coalesce_usecs_low = priv->rx_usecs_low;
256 coal->pkt_rate_high = priv->pkt_rate_high;
257 coal->rx_coalesce_usecs_high = priv->rx_usecs_high;
258 coal->rate_sample_interval = priv->sample_interval;
259 coal->use_adaptive_rx_coalesce = priv->adaptive_rx_coal;
263 static int mlx4_en_set_coalesce(struct net_device *dev,
264 struct ethtool_coalesce *coal)
266 struct mlx4_en_priv *priv = netdev_priv(dev);
269 priv->rx_frames = (coal->rx_max_coalesced_frames ==
271 MLX4_EN_RX_COAL_TARGET :
272 coal->rx_max_coalesced_frames;
273 priv->rx_usecs = (coal->rx_coalesce_usecs ==
275 MLX4_EN_RX_COAL_TIME :
276 coal->rx_coalesce_usecs;
278 /* Set adaptive coalescing params */
279 priv->pkt_rate_low = coal->pkt_rate_low;
280 priv->rx_usecs_low = coal->rx_coalesce_usecs_low;
281 priv->pkt_rate_high = coal->pkt_rate_high;
282 priv->rx_usecs_high = coal->rx_coalesce_usecs_high;
283 priv->sample_interval = coal->rate_sample_interval;
284 priv->adaptive_rx_coal = coal->use_adaptive_rx_coalesce;
285 priv->last_moder_time = MLX4_EN_AUTO_CONF;
286 if (priv->adaptive_rx_coal)
289 for (i = 0; i < priv->rx_ring_num; i++) {
290 priv->rx_cq[i].moder_cnt = priv->rx_frames;
291 priv->rx_cq[i].moder_time = priv->rx_usecs;
292 err = mlx4_en_set_cq_moder(priv, &priv->rx_cq[i]);
299 static int mlx4_en_set_pauseparam(struct net_device *dev,
300 struct ethtool_pauseparam *pause)
302 struct mlx4_en_priv *priv = netdev_priv(dev);
303 struct mlx4_en_dev *mdev = priv->mdev;
306 priv->prof->tx_pause = pause->tx_pause != 0;
307 priv->prof->rx_pause = pause->rx_pause != 0;
308 err = mlx4_SET_PORT_general(mdev->dev, priv->port,
309 priv->rx_skb_size + ETH_FCS_LEN,
310 priv->prof->tx_pause,
312 priv->prof->rx_pause,
315 en_err(priv, "Failed setting pause params\n");
320 static void mlx4_en_get_pauseparam(struct net_device *dev,
321 struct ethtool_pauseparam *pause)
323 struct mlx4_en_priv *priv = netdev_priv(dev);
325 pause->tx_pause = priv->prof->tx_pause;
326 pause->rx_pause = priv->prof->rx_pause;
329 static int mlx4_en_set_ringparam(struct net_device *dev,
330 struct ethtool_ringparam *param)
332 struct mlx4_en_priv *priv = netdev_priv(dev);
333 struct mlx4_en_dev *mdev = priv->mdev;
334 u32 rx_size, tx_size;
338 if (param->rx_jumbo_pending || param->rx_mini_pending)
341 rx_size = roundup_pow_of_two(param->rx_pending);
342 rx_size = max_t(u32, rx_size, MLX4_EN_MIN_RX_SIZE);
343 rx_size = min_t(u32, rx_size, MLX4_EN_MAX_RX_SIZE);
344 tx_size = roundup_pow_of_two(param->tx_pending);
345 tx_size = max_t(u32, tx_size, MLX4_EN_MIN_TX_SIZE);
346 tx_size = min_t(u32, tx_size, MLX4_EN_MAX_TX_SIZE);
348 if (rx_size == priv->prof->rx_ring_size &&
349 tx_size == priv->prof->tx_ring_size)
352 mutex_lock(&mdev->state_lock);
355 mlx4_en_stop_port(dev);
358 mlx4_en_free_resources(priv);
360 priv->prof->tx_ring_size = tx_size;
361 priv->prof->rx_ring_size = rx_size;
363 err = mlx4_en_alloc_resources(priv);
365 en_err(priv, "Failed reallocating port resources\n");
369 err = mlx4_en_start_port(dev);
371 en_err(priv, "Failed starting port\n");
375 mutex_unlock(&mdev->state_lock);
379 static void mlx4_en_get_ringparam(struct net_device *dev,
380 struct ethtool_ringparam *param)
382 struct mlx4_en_priv *priv = netdev_priv(dev);
383 struct mlx4_en_dev *mdev = priv->mdev;
385 memset(param, 0, sizeof(*param));
386 param->rx_max_pending = MLX4_EN_MAX_RX_SIZE;
387 param->tx_max_pending = MLX4_EN_MAX_TX_SIZE;
388 param->rx_pending = mdev->profile.prof[priv->port].rx_ring_size;
389 param->tx_pending = mdev->profile.prof[priv->port].tx_ring_size;
392 const struct ethtool_ops mlx4_en_ethtool_ops = {
393 .get_drvinfo = mlx4_en_get_drvinfo,
394 .get_settings = mlx4_en_get_settings,
395 .set_settings = mlx4_en_set_settings,
397 .get_tso = mlx4_en_get_tso,
398 .set_tso = mlx4_en_set_tso,
400 .get_sg = ethtool_op_get_sg,
401 .set_sg = ethtool_op_set_sg,
402 .get_link = ethtool_op_get_link,
403 .get_rx_csum = mlx4_en_get_rx_csum,
404 .set_rx_csum = mlx4_en_set_rx_csum,
405 .get_tx_csum = ethtool_op_get_tx_csum,
406 .set_tx_csum = ethtool_op_set_tx_ipv6_csum,
407 .get_strings = mlx4_en_get_strings,
408 .get_sset_count = mlx4_en_get_sset_count,
409 .get_ethtool_stats = mlx4_en_get_ethtool_stats,
410 .get_wol = mlx4_en_get_wol,
411 .get_msglevel = mlx4_en_get_msglevel,
412 .set_msglevel = mlx4_en_set_msglevel,
413 .get_coalesce = mlx4_en_get_coalesce,
414 .set_coalesce = mlx4_en_set_coalesce,
415 .get_pauseparam = mlx4_en_get_pauseparam,
416 .set_pauseparam = mlx4_en_set_pauseparam,
417 .get_ringparam = mlx4_en_get_ringparam,
418 .set_ringparam = mlx4_en_set_ringparam,
419 .get_flags = ethtool_op_get_flags,
420 .set_flags = ethtool_op_set_flags,