Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2007 Mellanox Technologies. All rights reserved. |
| 3 | * |
| 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: |
| 9 | * |
| 10 | * Redistribution and use in source and binary forms, with or |
| 11 | * without modification, are permitted provided that the following |
| 12 | * conditions are met: |
| 13 | * |
| 14 | * - Redistributions of source code must retain the above |
| 15 | * copyright notice, this list of conditions and the following |
| 16 | * disclaimer. |
| 17 | * |
| 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. |
| 22 | * |
| 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 |
| 30 | * SOFTWARE. |
| 31 | * |
| 32 | */ |
| 33 | |
| 34 | #include <linux/kernel.h> |
| 35 | #include <linux/ethtool.h> |
| 36 | #include <linux/netdevice.h> |
| 37 | |
| 38 | #include "mlx4_en.h" |
| 39 | #include "en_port.h" |
| 40 | |
| 41 | #define MLX4_EN_PARM_INT(X, def_val, desc) \ |
| 42 | static unsigned int X = def_val;\ |
| 43 | module_param(X , uint, 0444); \ |
| 44 | MODULE_PARM_DESC(X, desc); |
| 45 | |
| 46 | |
| 47 | /* |
| 48 | * Device scope module parameters |
| 49 | */ |
| 50 | |
| 51 | |
| 52 | /* Use a XOR rathern than Toeplitz hash function for RSS */ |
| 53 | MLX4_EN_PARM_INT(rss_xor, 0, "Use XOR hash function for RSS"); |
| 54 | |
| 55 | /* RSS hash type mask - default to <saddr, daddr, sport, dport> */ |
| 56 | MLX4_EN_PARM_INT(rss_mask, 0xf, "RSS hash type bitmask"); |
| 57 | |
| 58 | /* Number of LRO sessions per Rx ring (rounded up to a power of two) */ |
| 59 | MLX4_EN_PARM_INT(num_lro, MLX4_EN_MAX_LRO_DESCRIPTORS, |
| 60 | "Number of LRO sessions per ring or disabled (0)"); |
| 61 | |
| 62 | /* Priority pausing */ |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 63 | MLX4_EN_PARM_INT(pfctx, 0, "Priority based Flow Control policy on TX[7:0]." |
| 64 | " Per priority bit mask"); |
| 65 | MLX4_EN_PARM_INT(pfcrx, 0, "Priority based Flow Control policy on RX[7:0]." |
| 66 | " Per priority bit mask"); |
| 67 | |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 68 | int mlx4_en_get_profile(struct mlx4_en_dev *mdev) |
| 69 | { |
| 70 | struct mlx4_en_profile *params = &mdev->profile; |
Yevgeny Petrilin | d53b93f | 2008-11-05 04:48:36 +0000 | [diff] [blame] | 71 | int i; |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 72 | |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 73 | params->rss_xor = (rss_xor != 0); |
| 74 | params->rss_mask = rss_mask & 0x1f; |
| 75 | params->num_lro = min_t(int, num_lro , MLX4_EN_MAX_LRO_DESCRIPTORS); |
Yevgeny Petrilin | d53b93f | 2008-11-05 04:48:36 +0000 | [diff] [blame] | 76 | for (i = 1; i <= MLX4_MAX_PORTS; i++) { |
Yevgeny Petrilin | 26c743b | 2008-12-25 18:20:13 -0800 | [diff] [blame] | 77 | params->prof[i].rx_pause = 1; |
Yevgeny Petrilin | d53b93f | 2008-11-05 04:48:36 +0000 | [diff] [blame] | 78 | params->prof[i].rx_ppp = pfcrx; |
Yevgeny Petrilin | 26c743b | 2008-12-25 18:20:13 -0800 | [diff] [blame] | 79 | params->prof[i].tx_pause = 1; |
Yevgeny Petrilin | d53b93f | 2008-11-05 04:48:36 +0000 | [diff] [blame] | 80 | params->prof[i].tx_ppp = pfctx; |
Yevgeny Petrilin | 18cc42a | 2008-12-29 18:39:20 -0800 | [diff] [blame] | 81 | params->prof[i].tx_ring_size = MLX4_EN_DEF_TX_RING_SIZE; |
| 82 | params->prof[i].rx_ring_size = MLX4_EN_DEF_RX_RING_SIZE; |
Yevgeny Petrilin | d53b93f | 2008-11-05 04:48:36 +0000 | [diff] [blame] | 83 | } |
| 84 | if (pfcrx || pfctx) { |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 85 | params->prof[1].tx_ring_num = MLX4_EN_TX_RING_NUM; |
| 86 | params->prof[2].tx_ring_num = MLX4_EN_TX_RING_NUM; |
| 87 | } else { |
| 88 | params->prof[1].tx_ring_num = 1; |
| 89 | params->prof[2].tx_ring_num = 1; |
| 90 | } |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 91 | |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 92 | return 0; |
| 93 | } |
| 94 | |
| 95 | |
| 96 | /* |
| 97 | * Ethtool support |
| 98 | */ |
| 99 | |
| 100 | static void mlx4_en_update_lro_stats(struct mlx4_en_priv *priv) |
| 101 | { |
| 102 | int i; |
| 103 | |
| 104 | priv->port_stats.lro_aggregated = 0; |
| 105 | priv->port_stats.lro_flushed = 0; |
| 106 | priv->port_stats.lro_no_desc = 0; |
| 107 | |
| 108 | for (i = 0; i < priv->rx_ring_num; i++) { |
| 109 | priv->port_stats.lro_aggregated += priv->rx_ring[i].lro.stats.aggregated; |
| 110 | priv->port_stats.lro_flushed += priv->rx_ring[i].lro.stats.flushed; |
| 111 | priv->port_stats.lro_no_desc += priv->rx_ring[i].lro.stats.no_desc; |
| 112 | } |
| 113 | } |
| 114 | |
| 115 | static void |
| 116 | mlx4_en_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *drvinfo) |
| 117 | { |
| 118 | struct mlx4_en_priv *priv = netdev_priv(dev); |
| 119 | struct mlx4_en_dev *mdev = priv->mdev; |
| 120 | |
| 121 | sprintf(drvinfo->driver, DRV_NAME " (%s)", mdev->dev->board_id); |
| 122 | strncpy(drvinfo->version, DRV_VERSION " (" DRV_RELDATE ")", 32); |
| 123 | sprintf(drvinfo->fw_version, "%d.%d.%d", |
| 124 | (u16) (mdev->dev->caps.fw_ver >> 32), |
| 125 | (u16) ((mdev->dev->caps.fw_ver >> 16) & 0xffff), |
| 126 | (u16) (mdev->dev->caps.fw_ver & 0xffff)); |
| 127 | strncpy(drvinfo->bus_info, pci_name(mdev->dev->pdev), 32); |
| 128 | drvinfo->n_stats = 0; |
| 129 | drvinfo->regdump_len = 0; |
| 130 | drvinfo->eedump_len = 0; |
| 131 | } |
| 132 | |
| 133 | static u32 mlx4_en_get_tso(struct net_device *dev) |
| 134 | { |
| 135 | return (dev->features & NETIF_F_TSO) != 0; |
| 136 | } |
| 137 | |
| 138 | static int mlx4_en_set_tso(struct net_device *dev, u32 data) |
| 139 | { |
| 140 | struct mlx4_en_priv *priv = netdev_priv(dev); |
| 141 | |
| 142 | if (data) { |
| 143 | if (!priv->mdev->LSO_support) |
| 144 | return -EPERM; |
| 145 | dev->features |= (NETIF_F_TSO | NETIF_F_TSO6); |
| 146 | } else |
| 147 | dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO6); |
| 148 | return 0; |
| 149 | } |
| 150 | |
| 151 | static u32 mlx4_en_get_rx_csum(struct net_device *dev) |
| 152 | { |
| 153 | struct mlx4_en_priv *priv = netdev_priv(dev); |
| 154 | return priv->rx_csum; |
| 155 | } |
| 156 | |
| 157 | static int mlx4_en_set_rx_csum(struct net_device *dev, u32 data) |
| 158 | { |
| 159 | struct mlx4_en_priv *priv = netdev_priv(dev); |
| 160 | priv->rx_csum = (data != 0); |
| 161 | return 0; |
| 162 | } |
| 163 | |
| 164 | static const char main_strings[][ETH_GSTRING_LEN] = { |
| 165 | "rx_packets", "tx_packets", "rx_bytes", "tx_bytes", "rx_errors", |
| 166 | "tx_errors", "rx_dropped", "tx_dropped", "multicast", "collisions", |
| 167 | "rx_length_errors", "rx_over_errors", "rx_crc_errors", |
| 168 | "rx_frame_errors", "rx_fifo_errors", "rx_missed_errors", |
| 169 | "tx_aborted_errors", "tx_carrier_errors", "tx_fifo_errors", |
| 170 | "tx_heartbeat_errors", "tx_window_errors", |
| 171 | |
| 172 | /* port statistics */ |
| 173 | "lro_aggregated", "lro_flushed", "lro_no_desc", "tso_packets", |
| 174 | "queue_stopped", "wake_queue", "tx_timeout", "rx_alloc_failed", |
| 175 | "rx_csum_good", "rx_csum_none", "tx_chksum_offload", |
| 176 | |
| 177 | /* packet statistics */ |
| 178 | "broadcast", "rx_prio_0", "rx_prio_1", "rx_prio_2", "rx_prio_3", |
| 179 | "rx_prio_4", "rx_prio_5", "rx_prio_6", "rx_prio_7", "tx_prio_0", |
| 180 | "tx_prio_1", "tx_prio_2", "tx_prio_3", "tx_prio_4", "tx_prio_5", |
| 181 | "tx_prio_6", "tx_prio_7", |
| 182 | }; |
| 183 | #define NUM_MAIN_STATS 21 |
| 184 | #define NUM_ALL_STATS (NUM_MAIN_STATS + NUM_PORT_STATS + NUM_PKT_STATS + NUM_PERF_STATS) |
| 185 | |
| 186 | static u32 mlx4_en_get_msglevel(struct net_device *dev) |
| 187 | { |
| 188 | return ((struct mlx4_en_priv *) netdev_priv(dev))->msg_enable; |
| 189 | } |
| 190 | |
| 191 | static void mlx4_en_set_msglevel(struct net_device *dev, u32 val) |
| 192 | { |
| 193 | ((struct mlx4_en_priv *) netdev_priv(dev))->msg_enable = val; |
| 194 | } |
| 195 | |
| 196 | static void mlx4_en_get_wol(struct net_device *netdev, |
| 197 | struct ethtool_wolinfo *wol) |
| 198 | { |
| 199 | wol->supported = 0; |
| 200 | wol->wolopts = 0; |
| 201 | |
| 202 | return; |
| 203 | } |
| 204 | |
| 205 | static int mlx4_en_get_sset_count(struct net_device *dev, int sset) |
| 206 | { |
| 207 | struct mlx4_en_priv *priv = netdev_priv(dev); |
| 208 | |
| 209 | if (sset != ETH_SS_STATS) |
| 210 | return -EOPNOTSUPP; |
| 211 | |
| 212 | return NUM_ALL_STATS + (priv->tx_ring_num + priv->rx_ring_num) * 2; |
| 213 | } |
| 214 | |
| 215 | static void mlx4_en_get_ethtool_stats(struct net_device *dev, |
| 216 | struct ethtool_stats *stats, uint64_t *data) |
| 217 | { |
| 218 | struct mlx4_en_priv *priv = netdev_priv(dev); |
| 219 | int index = 0; |
| 220 | int i; |
| 221 | |
| 222 | spin_lock_bh(&priv->stats_lock); |
| 223 | |
| 224 | mlx4_en_update_lro_stats(priv); |
| 225 | |
| 226 | for (i = 0; i < NUM_MAIN_STATS; i++) |
| 227 | data[index++] = ((unsigned long *) &priv->stats)[i]; |
| 228 | for (i = 0; i < NUM_PORT_STATS; i++) |
| 229 | data[index++] = ((unsigned long *) &priv->port_stats)[i]; |
| 230 | for (i = 0; i < priv->tx_ring_num; i++) { |
| 231 | data[index++] = priv->tx_ring[i].packets; |
| 232 | data[index++] = priv->tx_ring[i].bytes; |
| 233 | } |
| 234 | for (i = 0; i < priv->rx_ring_num; i++) { |
| 235 | data[index++] = priv->rx_ring[i].packets; |
| 236 | data[index++] = priv->rx_ring[i].bytes; |
| 237 | } |
| 238 | for (i = 0; i < NUM_PKT_STATS; i++) |
| 239 | data[index++] = ((unsigned long *) &priv->pkstats)[i]; |
| 240 | spin_unlock_bh(&priv->stats_lock); |
| 241 | |
| 242 | } |
| 243 | |
| 244 | static void mlx4_en_get_strings(struct net_device *dev, |
| 245 | uint32_t stringset, uint8_t *data) |
| 246 | { |
| 247 | struct mlx4_en_priv *priv = netdev_priv(dev); |
| 248 | int index = 0; |
| 249 | int i; |
| 250 | |
| 251 | if (stringset != ETH_SS_STATS) |
| 252 | return; |
| 253 | |
| 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, |
| 262 | "tx%d_packets", i); |
| 263 | sprintf(data + (index++) * ETH_GSTRING_LEN, |
| 264 | "tx%d_bytes", i); |
| 265 | } |
| 266 | for (i = 0; i < priv->rx_ring_num; i++) { |
| 267 | sprintf(data + (index++) * ETH_GSTRING_LEN, |
| 268 | "rx%d_packets", i); |
| 269 | sprintf(data + (index++) * ETH_GSTRING_LEN, |
| 270 | "rx%d_bytes", i); |
| 271 | } |
| 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]); |
| 275 | } |
| 276 | |
| 277 | static int mlx4_en_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) |
| 278 | { |
| 279 | cmd->autoneg = AUTONEG_DISABLE; |
| 280 | cmd->supported = SUPPORTED_10000baseT_Full; |
| 281 | cmd->advertising = SUPPORTED_10000baseT_Full; |
| 282 | if (netif_carrier_ok(dev)) { |
| 283 | cmd->speed = SPEED_10000; |
| 284 | cmd->duplex = DUPLEX_FULL; |
| 285 | } else { |
| 286 | cmd->speed = -1; |
| 287 | cmd->duplex = -1; |
| 288 | } |
| 289 | return 0; |
| 290 | } |
| 291 | |
| 292 | static int mlx4_en_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) |
| 293 | { |
| 294 | if ((cmd->autoneg == AUTONEG_ENABLE) || |
| 295 | (cmd->speed != SPEED_10000) || (cmd->duplex != DUPLEX_FULL)) |
| 296 | return -EINVAL; |
| 297 | |
| 298 | /* Nothing to change */ |
| 299 | return 0; |
| 300 | } |
| 301 | |
| 302 | static int mlx4_en_get_coalesce(struct net_device *dev, |
| 303 | struct ethtool_coalesce *coal) |
| 304 | { |
| 305 | struct mlx4_en_priv *priv = netdev_priv(dev); |
| 306 | |
| 307 | coal->tx_coalesce_usecs = 0; |
| 308 | coal->tx_max_coalesced_frames = 0; |
| 309 | coal->rx_coalesce_usecs = priv->rx_usecs; |
| 310 | coal->rx_max_coalesced_frames = priv->rx_frames; |
| 311 | |
| 312 | coal->pkt_rate_low = priv->pkt_rate_low; |
| 313 | coal->rx_coalesce_usecs_low = priv->rx_usecs_low; |
| 314 | coal->pkt_rate_high = priv->pkt_rate_high; |
| 315 | coal->rx_coalesce_usecs_high = priv->rx_usecs_high; |
| 316 | coal->rate_sample_interval = priv->sample_interval; |
| 317 | coal->use_adaptive_rx_coalesce = priv->adaptive_rx_coal; |
| 318 | return 0; |
| 319 | } |
| 320 | |
| 321 | static int mlx4_en_set_coalesce(struct net_device *dev, |
| 322 | struct ethtool_coalesce *coal) |
| 323 | { |
| 324 | struct mlx4_en_priv *priv = netdev_priv(dev); |
| 325 | int err, i; |
| 326 | |
| 327 | priv->rx_frames = (coal->rx_max_coalesced_frames == |
| 328 | MLX4_EN_AUTO_CONF) ? |
| 329 | MLX4_EN_RX_COAL_TARGET / |
| 330 | priv->dev->mtu + 1 : |
| 331 | coal->rx_max_coalesced_frames; |
| 332 | priv->rx_usecs = (coal->rx_coalesce_usecs == |
| 333 | MLX4_EN_AUTO_CONF) ? |
| 334 | MLX4_EN_RX_COAL_TIME : |
| 335 | coal->rx_coalesce_usecs; |
| 336 | |
| 337 | /* Set adaptive coalescing params */ |
| 338 | priv->pkt_rate_low = coal->pkt_rate_low; |
| 339 | priv->rx_usecs_low = coal->rx_coalesce_usecs_low; |
| 340 | priv->pkt_rate_high = coal->pkt_rate_high; |
| 341 | priv->rx_usecs_high = coal->rx_coalesce_usecs_high; |
| 342 | priv->sample_interval = coal->rate_sample_interval; |
| 343 | priv->adaptive_rx_coal = coal->use_adaptive_rx_coalesce; |
| 344 | priv->last_moder_time = MLX4_EN_AUTO_CONF; |
| 345 | if (priv->adaptive_rx_coal) |
| 346 | return 0; |
| 347 | |
| 348 | for (i = 0; i < priv->rx_ring_num; i++) { |
| 349 | priv->rx_cq[i].moder_cnt = priv->rx_frames; |
| 350 | priv->rx_cq[i].moder_time = priv->rx_usecs; |
| 351 | err = mlx4_en_set_cq_moder(priv, &priv->rx_cq[i]); |
| 352 | if (err) |
| 353 | return err; |
| 354 | } |
| 355 | return 0; |
| 356 | } |
| 357 | |
| 358 | static int mlx4_en_set_pauseparam(struct net_device *dev, |
| 359 | struct ethtool_pauseparam *pause) |
| 360 | { |
| 361 | struct mlx4_en_priv *priv = netdev_priv(dev); |
| 362 | struct mlx4_en_dev *mdev = priv->mdev; |
| 363 | int err; |
| 364 | |
Yevgeny Petrilin | d53b93f | 2008-11-05 04:48:36 +0000 | [diff] [blame] | 365 | priv->prof->tx_pause = pause->tx_pause != 0; |
| 366 | priv->prof->rx_pause = pause->rx_pause != 0; |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 367 | err = mlx4_SET_PORT_general(mdev->dev, priv->port, |
| 368 | priv->rx_skb_size + ETH_FCS_LEN, |
Yevgeny Petrilin | d53b93f | 2008-11-05 04:48:36 +0000 | [diff] [blame] | 369 | priv->prof->tx_pause, |
| 370 | priv->prof->tx_ppp, |
| 371 | priv->prof->rx_pause, |
| 372 | priv->prof->rx_ppp); |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 373 | if (err) |
| 374 | mlx4_err(mdev, "Failed setting pause params to\n"); |
| 375 | |
| 376 | return err; |
| 377 | } |
| 378 | |
| 379 | static void mlx4_en_get_pauseparam(struct net_device *dev, |
| 380 | struct ethtool_pauseparam *pause) |
| 381 | { |
| 382 | struct mlx4_en_priv *priv = netdev_priv(dev); |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 383 | |
Yevgeny Petrilin | d53b93f | 2008-11-05 04:48:36 +0000 | [diff] [blame] | 384 | pause->tx_pause = priv->prof->tx_pause; |
| 385 | pause->rx_pause = priv->prof->rx_pause; |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 386 | } |
| 387 | |
Yevgeny Petrilin | 18cc42a | 2008-12-29 18:39:20 -0800 | [diff] [blame] | 388 | static int mlx4_en_set_ringparam(struct net_device *dev, |
| 389 | struct ethtool_ringparam *param) |
| 390 | { |
| 391 | struct mlx4_en_priv *priv = netdev_priv(dev); |
| 392 | struct mlx4_en_dev *mdev = priv->mdev; |
| 393 | u32 rx_size, tx_size; |
| 394 | int port_up = 0; |
| 395 | int err = 0; |
| 396 | |
| 397 | if (param->rx_jumbo_pending || param->rx_mini_pending) |
| 398 | return -EINVAL; |
| 399 | |
| 400 | rx_size = roundup_pow_of_two(param->rx_pending); |
| 401 | rx_size = max_t(u32, rx_size, MLX4_EN_MIN_RX_SIZE); |
| 402 | tx_size = roundup_pow_of_two(param->tx_pending); |
| 403 | tx_size = max_t(u32, tx_size, MLX4_EN_MIN_TX_SIZE); |
| 404 | |
| 405 | if (rx_size == priv->prof->rx_ring_size && |
| 406 | tx_size == priv->prof->tx_ring_size) |
| 407 | return 0; |
| 408 | |
| 409 | mutex_lock(&mdev->state_lock); |
| 410 | if (priv->port_up) { |
| 411 | port_up = 1; |
| 412 | mlx4_en_stop_port(dev); |
| 413 | } |
| 414 | |
| 415 | mlx4_en_free_resources(priv); |
| 416 | |
| 417 | priv->prof->tx_ring_size = tx_size; |
| 418 | priv->prof->rx_ring_size = rx_size; |
| 419 | |
| 420 | err = mlx4_en_alloc_resources(priv); |
| 421 | if (err) { |
| 422 | mlx4_err(mdev, "Failed reallocating port resources\n"); |
| 423 | goto out; |
| 424 | } |
| 425 | if (port_up) { |
| 426 | err = mlx4_en_start_port(dev); |
| 427 | if (err) |
| 428 | mlx4_err(mdev, "Failed starting port\n"); |
| 429 | } |
| 430 | |
| 431 | out: |
| 432 | mutex_unlock(&mdev->state_lock); |
| 433 | return err; |
| 434 | } |
| 435 | |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 436 | static void mlx4_en_get_ringparam(struct net_device *dev, |
| 437 | struct ethtool_ringparam *param) |
| 438 | { |
| 439 | struct mlx4_en_priv *priv = netdev_priv(dev); |
| 440 | struct mlx4_en_dev *mdev = priv->mdev; |
| 441 | |
| 442 | memset(param, 0, sizeof(*param)); |
| 443 | param->rx_max_pending = mdev->dev->caps.max_rq_sg; |
| 444 | param->tx_max_pending = mdev->dev->caps.max_sq_sg; |
| 445 | param->rx_pending = mdev->profile.prof[priv->port].rx_ring_size; |
| 446 | param->tx_pending = mdev->profile.prof[priv->port].tx_ring_size; |
| 447 | } |
| 448 | |
| 449 | const struct ethtool_ops mlx4_en_ethtool_ops = { |
| 450 | .get_drvinfo = mlx4_en_get_drvinfo, |
| 451 | .get_settings = mlx4_en_get_settings, |
| 452 | .set_settings = mlx4_en_set_settings, |
| 453 | #ifdef NETIF_F_TSO |
| 454 | .get_tso = mlx4_en_get_tso, |
| 455 | .set_tso = mlx4_en_set_tso, |
| 456 | #endif |
| 457 | .get_sg = ethtool_op_get_sg, |
| 458 | .set_sg = ethtool_op_set_sg, |
| 459 | .get_link = ethtool_op_get_link, |
| 460 | .get_rx_csum = mlx4_en_get_rx_csum, |
| 461 | .set_rx_csum = mlx4_en_set_rx_csum, |
| 462 | .get_tx_csum = ethtool_op_get_tx_csum, |
| 463 | .set_tx_csum = ethtool_op_set_tx_ipv6_csum, |
| 464 | .get_strings = mlx4_en_get_strings, |
| 465 | .get_sset_count = mlx4_en_get_sset_count, |
| 466 | .get_ethtool_stats = mlx4_en_get_ethtool_stats, |
| 467 | .get_wol = mlx4_en_get_wol, |
| 468 | .get_msglevel = mlx4_en_get_msglevel, |
| 469 | .set_msglevel = mlx4_en_set_msglevel, |
| 470 | .get_coalesce = mlx4_en_get_coalesce, |
| 471 | .set_coalesce = mlx4_en_set_coalesce, |
| 472 | .get_pauseparam = mlx4_en_get_pauseparam, |
| 473 | .set_pauseparam = mlx4_en_set_pauseparam, |
| 474 | .get_ringparam = mlx4_en_get_ringparam, |
Yevgeny Petrilin | 18cc42a | 2008-12-29 18:39:20 -0800 | [diff] [blame] | 475 | .set_ringparam = mlx4_en_set_ringparam, |
Yevgeny Petrilin | c27a02c | 2008-10-22 15:47:49 -0700 | [diff] [blame] | 476 | .get_flags = ethtool_op_get_flags, |
| 477 | .set_flags = ethtool_op_set_flags, |
| 478 | }; |
| 479 | |
| 480 | |
| 481 | |
| 482 | |
| 483 | |