1 /* 2 * Copyright (c) 2015, 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 #include "en.h" 34 #include "en/port.h" 35 #include "en/params.h" 36 #include "en/xsk/pool.h" 37 #include "en/ptp.h" 38 #include "lib/clock.h" 39 40 void mlx5e_ethtool_get_drvinfo(struct mlx5e_priv *priv, 41 struct ethtool_drvinfo *drvinfo) 42 { 43 struct mlx5_core_dev *mdev = priv->mdev; 44 45 strlcpy(drvinfo->driver, KBUILD_MODNAME, sizeof(drvinfo->driver)); 46 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), 47 "%d.%d.%04d (%.16s)", 48 fw_rev_maj(mdev), fw_rev_min(mdev), fw_rev_sub(mdev), 49 mdev->board_id); 50 strlcpy(drvinfo->bus_info, dev_name(mdev->device), 51 sizeof(drvinfo->bus_info)); 52 } 53 54 static void mlx5e_get_drvinfo(struct net_device *dev, 55 struct ethtool_drvinfo *drvinfo) 56 { 57 struct mlx5e_priv *priv = netdev_priv(dev); 58 59 mlx5e_ethtool_get_drvinfo(priv, drvinfo); 60 } 61 62 struct ptys2ethtool_config { 63 __ETHTOOL_DECLARE_LINK_MODE_MASK(supported); 64 __ETHTOOL_DECLARE_LINK_MODE_MASK(advertised); 65 }; 66 67 static 68 struct ptys2ethtool_config ptys2legacy_ethtool_table[MLX5E_LINK_MODES_NUMBER]; 69 static 70 struct ptys2ethtool_config ptys2ext_ethtool_table[MLX5E_EXT_LINK_MODES_NUMBER]; 71 72 #define MLX5_BUILD_PTYS2ETHTOOL_CONFIG(reg_, table, ...) \ 73 ({ \ 74 struct ptys2ethtool_config *cfg; \ 75 const unsigned int modes[] = { __VA_ARGS__ }; \ 76 unsigned int i, bit, idx; \ 77 cfg = &ptys2##table##_ethtool_table[reg_]; \ 78 bitmap_zero(cfg->supported, \ 79 __ETHTOOL_LINK_MODE_MASK_NBITS); \ 80 bitmap_zero(cfg->advertised, \ 81 __ETHTOOL_LINK_MODE_MASK_NBITS); \ 82 for (i = 0 ; i < ARRAY_SIZE(modes) ; ++i) { \ 83 bit = modes[i] % 64; \ 84 idx = modes[i] / 64; \ 85 __set_bit(bit, &cfg->supported[idx]); \ 86 __set_bit(bit, &cfg->advertised[idx]); \ 87 } \ 88 }) 89 90 void mlx5e_build_ptys2ethtool_map(void) 91 { 92 memset(ptys2legacy_ethtool_table, 0, sizeof(ptys2legacy_ethtool_table)); 93 memset(ptys2ext_ethtool_table, 0, sizeof(ptys2ext_ethtool_table)); 94 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_1000BASE_CX_SGMII, legacy, 95 ETHTOOL_LINK_MODE_1000baseKX_Full_BIT); 96 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_1000BASE_KX, legacy, 97 ETHTOOL_LINK_MODE_1000baseKX_Full_BIT); 98 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_CX4, legacy, 99 ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT); 100 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_KX4, legacy, 101 ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT); 102 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_KR, legacy, 103 ETHTOOL_LINK_MODE_10000baseKR_Full_BIT); 104 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_20GBASE_KR2, legacy, 105 ETHTOOL_LINK_MODE_20000baseKR2_Full_BIT); 106 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_40GBASE_CR4, legacy, 107 ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT); 108 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_40GBASE_KR4, legacy, 109 ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT); 110 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_56GBASE_R4, legacy, 111 ETHTOOL_LINK_MODE_56000baseKR4_Full_BIT); 112 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_CR, legacy, 113 ETHTOOL_LINK_MODE_10000baseKR_Full_BIT); 114 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_SR, legacy, 115 ETHTOOL_LINK_MODE_10000baseKR_Full_BIT); 116 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_ER, legacy, 117 ETHTOOL_LINK_MODE_10000baseKR_Full_BIT); 118 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_40GBASE_SR4, legacy, 119 ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT); 120 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_40GBASE_LR4, legacy, 121 ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT); 122 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_50GBASE_SR2, legacy, 123 ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT); 124 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_100GBASE_CR4, legacy, 125 ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT); 126 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_100GBASE_SR4, legacy, 127 ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT); 128 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_100GBASE_KR4, legacy, 129 ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT); 130 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_100GBASE_LR4, legacy, 131 ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT); 132 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_T, legacy, 133 ETHTOOL_LINK_MODE_10000baseT_Full_BIT); 134 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_25GBASE_CR, legacy, 135 ETHTOOL_LINK_MODE_25000baseCR_Full_BIT); 136 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_25GBASE_KR, legacy, 137 ETHTOOL_LINK_MODE_25000baseKR_Full_BIT); 138 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_25GBASE_SR, legacy, 139 ETHTOOL_LINK_MODE_25000baseSR_Full_BIT); 140 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_50GBASE_CR2, legacy, 141 ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT); 142 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_50GBASE_KR2, legacy, 143 ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT); 144 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_SGMII_100M, ext, 145 ETHTOOL_LINK_MODE_100baseT_Full_BIT); 146 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_1000BASE_X_SGMII, ext, 147 ETHTOOL_LINK_MODE_1000baseT_Full_BIT, 148 ETHTOOL_LINK_MODE_1000baseKX_Full_BIT, 149 ETHTOOL_LINK_MODE_1000baseX_Full_BIT); 150 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_5GBASE_R, ext, 151 ETHTOOL_LINK_MODE_5000baseT_Full_BIT); 152 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_XFI_XAUI_1, ext, 153 ETHTOOL_LINK_MODE_10000baseT_Full_BIT, 154 ETHTOOL_LINK_MODE_10000baseKR_Full_BIT, 155 ETHTOOL_LINK_MODE_10000baseR_FEC_BIT, 156 ETHTOOL_LINK_MODE_10000baseCR_Full_BIT, 157 ETHTOOL_LINK_MODE_10000baseSR_Full_BIT, 158 ETHTOOL_LINK_MODE_10000baseLR_Full_BIT, 159 ETHTOOL_LINK_MODE_10000baseER_Full_BIT); 160 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_40GBASE_XLAUI_4_XLPPI_4, ext, 161 ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT, 162 ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT, 163 ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT, 164 ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT); 165 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_25GAUI_1_25GBASE_CR_KR, ext, 166 ETHTOOL_LINK_MODE_25000baseCR_Full_BIT, 167 ETHTOOL_LINK_MODE_25000baseKR_Full_BIT, 168 ETHTOOL_LINK_MODE_25000baseSR_Full_BIT); 169 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_50GAUI_2_LAUI_2_50GBASE_CR2_KR2, 170 ext, 171 ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT, 172 ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT, 173 ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT); 174 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_50GAUI_1_LAUI_1_50GBASE_CR_KR, ext, 175 ETHTOOL_LINK_MODE_50000baseKR_Full_BIT, 176 ETHTOOL_LINK_MODE_50000baseSR_Full_BIT, 177 ETHTOOL_LINK_MODE_50000baseCR_Full_BIT, 178 ETHTOOL_LINK_MODE_50000baseLR_ER_FR_Full_BIT, 179 ETHTOOL_LINK_MODE_50000baseDR_Full_BIT); 180 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_CAUI_4_100GBASE_CR4_KR4, ext, 181 ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT, 182 ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT, 183 ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT, 184 ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT); 185 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_100GAUI_2_100GBASE_CR2_KR2, ext, 186 ETHTOOL_LINK_MODE_100000baseKR2_Full_BIT, 187 ETHTOOL_LINK_MODE_100000baseSR2_Full_BIT, 188 ETHTOOL_LINK_MODE_100000baseCR2_Full_BIT, 189 ETHTOOL_LINK_MODE_100000baseLR2_ER2_FR2_Full_BIT, 190 ETHTOOL_LINK_MODE_100000baseDR2_Full_BIT); 191 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_200GAUI_4_200GBASE_CR4_KR4, ext, 192 ETHTOOL_LINK_MODE_200000baseKR4_Full_BIT, 193 ETHTOOL_LINK_MODE_200000baseSR4_Full_BIT, 194 ETHTOOL_LINK_MODE_200000baseLR4_ER4_FR4_Full_BIT, 195 ETHTOOL_LINK_MODE_200000baseDR4_Full_BIT, 196 ETHTOOL_LINK_MODE_200000baseCR4_Full_BIT); 197 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_100GAUI_1_100GBASE_CR_KR, ext, 198 ETHTOOL_LINK_MODE_100000baseKR_Full_BIT, 199 ETHTOOL_LINK_MODE_100000baseSR_Full_BIT, 200 ETHTOOL_LINK_MODE_100000baseLR_ER_FR_Full_BIT, 201 ETHTOOL_LINK_MODE_100000baseDR_Full_BIT, 202 ETHTOOL_LINK_MODE_100000baseCR_Full_BIT); 203 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_200GAUI_2_200GBASE_CR2_KR2, ext, 204 ETHTOOL_LINK_MODE_200000baseKR2_Full_BIT, 205 ETHTOOL_LINK_MODE_200000baseSR2_Full_BIT, 206 ETHTOOL_LINK_MODE_200000baseLR2_ER2_FR2_Full_BIT, 207 ETHTOOL_LINK_MODE_200000baseDR2_Full_BIT, 208 ETHTOOL_LINK_MODE_200000baseCR2_Full_BIT); 209 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_400GAUI_4_400GBASE_CR4_KR4, ext, 210 ETHTOOL_LINK_MODE_400000baseKR4_Full_BIT, 211 ETHTOOL_LINK_MODE_400000baseSR4_Full_BIT, 212 ETHTOOL_LINK_MODE_400000baseLR4_ER4_FR4_Full_BIT, 213 ETHTOOL_LINK_MODE_400000baseDR4_Full_BIT, 214 ETHTOOL_LINK_MODE_400000baseCR4_Full_BIT); 215 } 216 217 static void mlx5e_ethtool_get_speed_arr(struct mlx5_core_dev *mdev, 218 struct ptys2ethtool_config **arr, 219 u32 *size) 220 { 221 bool ext = mlx5e_ptys_ext_supported(mdev); 222 223 *arr = ext ? ptys2ext_ethtool_table : ptys2legacy_ethtool_table; 224 *size = ext ? ARRAY_SIZE(ptys2ext_ethtool_table) : 225 ARRAY_SIZE(ptys2legacy_ethtool_table); 226 } 227 228 typedef int (*mlx5e_pflag_handler)(struct net_device *netdev, bool enable); 229 230 struct pflag_desc { 231 char name[ETH_GSTRING_LEN]; 232 mlx5e_pflag_handler handler; 233 }; 234 235 static const struct pflag_desc mlx5e_priv_flags[MLX5E_NUM_PFLAGS]; 236 237 int mlx5e_ethtool_get_sset_count(struct mlx5e_priv *priv, int sset) 238 { 239 switch (sset) { 240 case ETH_SS_STATS: 241 return mlx5e_stats_total_num(priv); 242 case ETH_SS_PRIV_FLAGS: 243 return MLX5E_NUM_PFLAGS; 244 case ETH_SS_TEST: 245 return mlx5e_self_test_num(priv); 246 default: 247 return -EOPNOTSUPP; 248 } 249 } 250 251 static int mlx5e_get_sset_count(struct net_device *dev, int sset) 252 { 253 struct mlx5e_priv *priv = netdev_priv(dev); 254 255 return mlx5e_ethtool_get_sset_count(priv, sset); 256 } 257 258 void mlx5e_ethtool_get_strings(struct mlx5e_priv *priv, u32 stringset, u8 *data) 259 { 260 int i; 261 262 switch (stringset) { 263 case ETH_SS_PRIV_FLAGS: 264 for (i = 0; i < MLX5E_NUM_PFLAGS; i++) 265 strcpy(data + i * ETH_GSTRING_LEN, 266 mlx5e_priv_flags[i].name); 267 break; 268 269 case ETH_SS_TEST: 270 for (i = 0; i < mlx5e_self_test_num(priv); i++) 271 strcpy(data + i * ETH_GSTRING_LEN, 272 mlx5e_self_tests[i]); 273 break; 274 275 case ETH_SS_STATS: 276 mlx5e_stats_fill_strings(priv, data); 277 break; 278 } 279 } 280 281 static void mlx5e_get_strings(struct net_device *dev, u32 stringset, u8 *data) 282 { 283 struct mlx5e_priv *priv = netdev_priv(dev); 284 285 mlx5e_ethtool_get_strings(priv, stringset, data); 286 } 287 288 void mlx5e_ethtool_get_ethtool_stats(struct mlx5e_priv *priv, 289 struct ethtool_stats *stats, u64 *data) 290 { 291 int idx = 0; 292 293 mutex_lock(&priv->state_lock); 294 mlx5e_stats_update(priv); 295 mutex_unlock(&priv->state_lock); 296 297 mlx5e_stats_fill(priv, data, idx); 298 } 299 300 static void mlx5e_get_ethtool_stats(struct net_device *dev, 301 struct ethtool_stats *stats, 302 u64 *data) 303 { 304 struct mlx5e_priv *priv = netdev_priv(dev); 305 306 mlx5e_ethtool_get_ethtool_stats(priv, stats, data); 307 } 308 309 void mlx5e_ethtool_get_ringparam(struct mlx5e_priv *priv, 310 struct ethtool_ringparam *param) 311 { 312 param->rx_max_pending = 1 << MLX5E_PARAMS_MAXIMUM_LOG_RQ_SIZE; 313 param->tx_max_pending = 1 << MLX5E_PARAMS_MAXIMUM_LOG_SQ_SIZE; 314 param->rx_pending = 1 << priv->channels.params.log_rq_mtu_frames; 315 param->tx_pending = 1 << priv->channels.params.log_sq_size; 316 } 317 318 static void mlx5e_get_ringparam(struct net_device *dev, 319 struct ethtool_ringparam *param) 320 { 321 struct mlx5e_priv *priv = netdev_priv(dev); 322 323 mlx5e_ethtool_get_ringparam(priv, param); 324 } 325 326 int mlx5e_ethtool_set_ringparam(struct mlx5e_priv *priv, 327 struct ethtool_ringparam *param) 328 { 329 struct mlx5e_params new_params; 330 u8 log_rq_size; 331 u8 log_sq_size; 332 int err = 0; 333 334 if (param->rx_jumbo_pending) { 335 netdev_info(priv->netdev, "%s: rx_jumbo_pending not supported\n", 336 __func__); 337 return -EINVAL; 338 } 339 if (param->rx_mini_pending) { 340 netdev_info(priv->netdev, "%s: rx_mini_pending not supported\n", 341 __func__); 342 return -EINVAL; 343 } 344 345 if (param->rx_pending < (1 << MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE)) { 346 netdev_info(priv->netdev, "%s: rx_pending (%d) < min (%d)\n", 347 __func__, param->rx_pending, 348 1 << MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE); 349 return -EINVAL; 350 } 351 352 if (param->tx_pending < (1 << MLX5E_PARAMS_MINIMUM_LOG_SQ_SIZE)) { 353 netdev_info(priv->netdev, "%s: tx_pending (%d) < min (%d)\n", 354 __func__, param->tx_pending, 355 1 << MLX5E_PARAMS_MINIMUM_LOG_SQ_SIZE); 356 return -EINVAL; 357 } 358 359 log_rq_size = order_base_2(param->rx_pending); 360 log_sq_size = order_base_2(param->tx_pending); 361 362 if (log_rq_size == priv->channels.params.log_rq_mtu_frames && 363 log_sq_size == priv->channels.params.log_sq_size) 364 return 0; 365 366 mutex_lock(&priv->state_lock); 367 368 new_params = priv->channels.params; 369 new_params.log_rq_mtu_frames = log_rq_size; 370 new_params.log_sq_size = log_sq_size; 371 372 err = mlx5e_validate_params(priv->mdev, &new_params); 373 if (err) 374 goto unlock; 375 376 err = mlx5e_safe_switch_params(priv, &new_params, NULL, NULL, true); 377 378 unlock: 379 mutex_unlock(&priv->state_lock); 380 381 return err; 382 } 383 384 static int mlx5e_set_ringparam(struct net_device *dev, 385 struct ethtool_ringparam *param) 386 { 387 struct mlx5e_priv *priv = netdev_priv(dev); 388 389 return mlx5e_ethtool_set_ringparam(priv, param); 390 } 391 392 void mlx5e_ethtool_get_channels(struct mlx5e_priv *priv, 393 struct ethtool_channels *ch) 394 { 395 mutex_lock(&priv->state_lock); 396 397 ch->max_combined = priv->max_nch; 398 ch->combined_count = priv->channels.params.num_channels; 399 if (priv->xsk.refcnt) { 400 /* The upper half are XSK queues. */ 401 ch->max_combined *= 2; 402 ch->combined_count *= 2; 403 } 404 405 mutex_unlock(&priv->state_lock); 406 } 407 408 static void mlx5e_get_channels(struct net_device *dev, 409 struct ethtool_channels *ch) 410 { 411 struct mlx5e_priv *priv = netdev_priv(dev); 412 413 mlx5e_ethtool_get_channels(priv, ch); 414 } 415 416 int mlx5e_ethtool_set_channels(struct mlx5e_priv *priv, 417 struct ethtool_channels *ch) 418 { 419 struct mlx5e_params *cur_params = &priv->channels.params; 420 unsigned int count = ch->combined_count; 421 struct mlx5e_params new_params; 422 bool arfs_enabled; 423 bool opened; 424 int err = 0; 425 426 if (!count) { 427 netdev_info(priv->netdev, "%s: combined_count=0 not supported\n", 428 __func__); 429 return -EINVAL; 430 } 431 432 if (cur_params->num_channels == count) 433 return 0; 434 435 mutex_lock(&priv->state_lock); 436 437 /* Don't allow changing the number of channels if there is an active 438 * XSK, because the numeration of the XSK and regular RQs will change. 439 */ 440 if (priv->xsk.refcnt) { 441 err = -EINVAL; 442 netdev_err(priv->netdev, "%s: AF_XDP is active, cannot change the number of channels\n", 443 __func__); 444 goto out; 445 } 446 447 /* Don't allow changing the number of channels if HTB offload is active, 448 * because the numeration of the QoS SQs will change, while per-queue 449 * qdiscs are attached. 450 */ 451 if (priv->htb.maj_id) { 452 err = -EINVAL; 453 netdev_err(priv->netdev, "%s: HTB offload is active, cannot change the number of channels\n", 454 __func__); 455 goto out; 456 } 457 458 new_params = *cur_params; 459 new_params.num_channels = count; 460 461 opened = test_bit(MLX5E_STATE_OPENED, &priv->state); 462 463 arfs_enabled = opened && (priv->netdev->features & NETIF_F_NTUPLE); 464 if (arfs_enabled) 465 mlx5e_arfs_disable(priv); 466 467 /* Switch to new channels, set new parameters and close old ones */ 468 err = mlx5e_safe_switch_params(priv, &new_params, 469 mlx5e_num_channels_changed_ctx, NULL, true); 470 471 if (arfs_enabled) { 472 int err2 = mlx5e_arfs_enable(priv); 473 474 if (err2) 475 netdev_err(priv->netdev, "%s: mlx5e_arfs_enable failed: %d\n", 476 __func__, err2); 477 } 478 479 out: 480 mutex_unlock(&priv->state_lock); 481 482 return err; 483 } 484 485 static int mlx5e_set_channels(struct net_device *dev, 486 struct ethtool_channels *ch) 487 { 488 struct mlx5e_priv *priv = netdev_priv(dev); 489 490 return mlx5e_ethtool_set_channels(priv, ch); 491 } 492 493 int mlx5e_ethtool_get_coalesce(struct mlx5e_priv *priv, 494 struct ethtool_coalesce *coal) 495 { 496 struct dim_cq_moder *rx_moder, *tx_moder; 497 498 if (!MLX5_CAP_GEN(priv->mdev, cq_moderation)) 499 return -EOPNOTSUPP; 500 501 rx_moder = &priv->channels.params.rx_cq_moderation; 502 coal->rx_coalesce_usecs = rx_moder->usec; 503 coal->rx_max_coalesced_frames = rx_moder->pkts; 504 coal->use_adaptive_rx_coalesce = priv->channels.params.rx_dim_enabled; 505 506 tx_moder = &priv->channels.params.tx_cq_moderation; 507 coal->tx_coalesce_usecs = tx_moder->usec; 508 coal->tx_max_coalesced_frames = tx_moder->pkts; 509 coal->use_adaptive_tx_coalesce = priv->channels.params.tx_dim_enabled; 510 511 return 0; 512 } 513 514 static int mlx5e_get_coalesce(struct net_device *netdev, 515 struct ethtool_coalesce *coal) 516 { 517 struct mlx5e_priv *priv = netdev_priv(netdev); 518 519 return mlx5e_ethtool_get_coalesce(priv, coal); 520 } 521 522 #define MLX5E_MAX_COAL_TIME MLX5_MAX_CQ_PERIOD 523 #define MLX5E_MAX_COAL_FRAMES MLX5_MAX_CQ_COUNT 524 525 static void 526 mlx5e_set_priv_channels_tx_coalesce(struct mlx5e_priv *priv, struct ethtool_coalesce *coal) 527 { 528 struct mlx5_core_dev *mdev = priv->mdev; 529 int tc; 530 int i; 531 532 for (i = 0; i < priv->channels.num; ++i) { 533 struct mlx5e_channel *c = priv->channels.c[i]; 534 535 for (tc = 0; tc < c->num_tc; tc++) { 536 mlx5_core_modify_cq_moderation(mdev, 537 &c->sq[tc].cq.mcq, 538 coal->tx_coalesce_usecs, 539 coal->tx_max_coalesced_frames); 540 } 541 } 542 } 543 544 static void 545 mlx5e_set_priv_channels_rx_coalesce(struct mlx5e_priv *priv, struct ethtool_coalesce *coal) 546 { 547 struct mlx5_core_dev *mdev = priv->mdev; 548 int i; 549 550 for (i = 0; i < priv->channels.num; ++i) { 551 struct mlx5e_channel *c = priv->channels.c[i]; 552 553 mlx5_core_modify_cq_moderation(mdev, &c->rq.cq.mcq, 554 coal->rx_coalesce_usecs, 555 coal->rx_max_coalesced_frames); 556 } 557 } 558 559 int mlx5e_ethtool_set_coalesce(struct mlx5e_priv *priv, 560 struct ethtool_coalesce *coal) 561 { 562 struct dim_cq_moder *rx_moder, *tx_moder; 563 struct mlx5_core_dev *mdev = priv->mdev; 564 struct mlx5e_params new_params; 565 bool reset_rx, reset_tx; 566 bool reset = true; 567 int err = 0; 568 569 if (!MLX5_CAP_GEN(mdev, cq_moderation)) 570 return -EOPNOTSUPP; 571 572 if (coal->tx_coalesce_usecs > MLX5E_MAX_COAL_TIME || 573 coal->rx_coalesce_usecs > MLX5E_MAX_COAL_TIME) { 574 netdev_info(priv->netdev, "%s: maximum coalesce time supported is %lu usecs\n", 575 __func__, MLX5E_MAX_COAL_TIME); 576 return -ERANGE; 577 } 578 579 if (coal->tx_max_coalesced_frames > MLX5E_MAX_COAL_FRAMES || 580 coal->rx_max_coalesced_frames > MLX5E_MAX_COAL_FRAMES) { 581 netdev_info(priv->netdev, "%s: maximum coalesced frames supported is %lu\n", 582 __func__, MLX5E_MAX_COAL_FRAMES); 583 return -ERANGE; 584 } 585 586 mutex_lock(&priv->state_lock); 587 new_params = priv->channels.params; 588 589 rx_moder = &new_params.rx_cq_moderation; 590 rx_moder->usec = coal->rx_coalesce_usecs; 591 rx_moder->pkts = coal->rx_max_coalesced_frames; 592 new_params.rx_dim_enabled = !!coal->use_adaptive_rx_coalesce; 593 594 tx_moder = &new_params.tx_cq_moderation; 595 tx_moder->usec = coal->tx_coalesce_usecs; 596 tx_moder->pkts = coal->tx_max_coalesced_frames; 597 new_params.tx_dim_enabled = !!coal->use_adaptive_tx_coalesce; 598 599 reset_rx = !!coal->use_adaptive_rx_coalesce != priv->channels.params.rx_dim_enabled; 600 reset_tx = !!coal->use_adaptive_tx_coalesce != priv->channels.params.tx_dim_enabled; 601 602 if (reset_rx) { 603 u8 mode = MLX5E_GET_PFLAG(&new_params, 604 MLX5E_PFLAG_RX_CQE_BASED_MODER); 605 606 mlx5e_reset_rx_moderation(&new_params, mode); 607 } 608 if (reset_tx) { 609 u8 mode = MLX5E_GET_PFLAG(&new_params, 610 MLX5E_PFLAG_TX_CQE_BASED_MODER); 611 612 mlx5e_reset_tx_moderation(&new_params, mode); 613 } 614 615 /* If DIM state hasn't changed, it's possible to modify interrupt 616 * moderation parameters on the fly, even if the channels are open. 617 */ 618 if (!reset_rx && !reset_tx && test_bit(MLX5E_STATE_OPENED, &priv->state)) { 619 if (!coal->use_adaptive_rx_coalesce) 620 mlx5e_set_priv_channels_rx_coalesce(priv, coal); 621 if (!coal->use_adaptive_tx_coalesce) 622 mlx5e_set_priv_channels_tx_coalesce(priv, coal); 623 reset = false; 624 } 625 626 err = mlx5e_safe_switch_params(priv, &new_params, NULL, NULL, reset); 627 628 mutex_unlock(&priv->state_lock); 629 return err; 630 } 631 632 static int mlx5e_set_coalesce(struct net_device *netdev, 633 struct ethtool_coalesce *coal) 634 { 635 struct mlx5e_priv *priv = netdev_priv(netdev); 636 637 return mlx5e_ethtool_set_coalesce(priv, coal); 638 } 639 640 static void ptys2ethtool_supported_link(struct mlx5_core_dev *mdev, 641 unsigned long *supported_modes, 642 u32 eth_proto_cap) 643 { 644 unsigned long proto_cap = eth_proto_cap; 645 struct ptys2ethtool_config *table; 646 u32 max_size; 647 int proto; 648 649 mlx5e_ethtool_get_speed_arr(mdev, &table, &max_size); 650 for_each_set_bit(proto, &proto_cap, max_size) 651 bitmap_or(supported_modes, supported_modes, 652 table[proto].supported, 653 __ETHTOOL_LINK_MODE_MASK_NBITS); 654 } 655 656 static void ptys2ethtool_adver_link(unsigned long *advertising_modes, 657 u32 eth_proto_cap, bool ext) 658 { 659 unsigned long proto_cap = eth_proto_cap; 660 struct ptys2ethtool_config *table; 661 u32 max_size; 662 int proto; 663 664 table = ext ? ptys2ext_ethtool_table : ptys2legacy_ethtool_table; 665 max_size = ext ? ARRAY_SIZE(ptys2ext_ethtool_table) : 666 ARRAY_SIZE(ptys2legacy_ethtool_table); 667 668 for_each_set_bit(proto, &proto_cap, max_size) 669 bitmap_or(advertising_modes, advertising_modes, 670 table[proto].advertised, 671 __ETHTOOL_LINK_MODE_MASK_NBITS); 672 } 673 674 static const u32 pplm_fec_2_ethtool[] = { 675 [MLX5E_FEC_NOFEC] = ETHTOOL_FEC_OFF, 676 [MLX5E_FEC_FIRECODE] = ETHTOOL_FEC_BASER, 677 [MLX5E_FEC_RS_528_514] = ETHTOOL_FEC_RS, 678 [MLX5E_FEC_RS_544_514] = ETHTOOL_FEC_RS, 679 [MLX5E_FEC_LLRS_272_257_1] = ETHTOOL_FEC_LLRS, 680 }; 681 682 static u32 pplm2ethtool_fec(u_long fec_mode, unsigned long size) 683 { 684 int mode = 0; 685 686 if (!fec_mode) 687 return ETHTOOL_FEC_AUTO; 688 689 mode = find_first_bit(&fec_mode, size); 690 691 if (mode < ARRAY_SIZE(pplm_fec_2_ethtool)) 692 return pplm_fec_2_ethtool[mode]; 693 694 return 0; 695 } 696 697 #define MLX5E_ADVERTISE_SUPPORTED_FEC(mlx5_fec, ethtool_fec) \ 698 do { \ 699 if (mlx5e_fec_in_caps(dev, 1 << (mlx5_fec))) \ 700 __set_bit(ethtool_fec, \ 701 link_ksettings->link_modes.supported);\ 702 } while (0) 703 704 static const u32 pplm_fec_2_ethtool_linkmodes[] = { 705 [MLX5E_FEC_NOFEC] = ETHTOOL_LINK_MODE_FEC_NONE_BIT, 706 [MLX5E_FEC_FIRECODE] = ETHTOOL_LINK_MODE_FEC_BASER_BIT, 707 [MLX5E_FEC_RS_528_514] = ETHTOOL_LINK_MODE_FEC_RS_BIT, 708 [MLX5E_FEC_RS_544_514] = ETHTOOL_LINK_MODE_FEC_RS_BIT, 709 [MLX5E_FEC_LLRS_272_257_1] = ETHTOOL_LINK_MODE_FEC_LLRS_BIT, 710 }; 711 712 static int get_fec_supported_advertised(struct mlx5_core_dev *dev, 713 struct ethtool_link_ksettings *link_ksettings) 714 { 715 unsigned long active_fec_long; 716 u32 active_fec; 717 u32 bitn; 718 int err; 719 720 err = mlx5e_get_fec_mode(dev, &active_fec, NULL); 721 if (err) 722 return (err == -EOPNOTSUPP) ? 0 : err; 723 724 MLX5E_ADVERTISE_SUPPORTED_FEC(MLX5E_FEC_NOFEC, 725 ETHTOOL_LINK_MODE_FEC_NONE_BIT); 726 MLX5E_ADVERTISE_SUPPORTED_FEC(MLX5E_FEC_FIRECODE, 727 ETHTOOL_LINK_MODE_FEC_BASER_BIT); 728 MLX5E_ADVERTISE_SUPPORTED_FEC(MLX5E_FEC_RS_528_514, 729 ETHTOOL_LINK_MODE_FEC_RS_BIT); 730 MLX5E_ADVERTISE_SUPPORTED_FEC(MLX5E_FEC_LLRS_272_257_1, 731 ETHTOOL_LINK_MODE_FEC_LLRS_BIT); 732 733 active_fec_long = active_fec; 734 /* active fec is a bit set, find out which bit is set and 735 * advertise the corresponding ethtool bit 736 */ 737 bitn = find_first_bit(&active_fec_long, sizeof(active_fec_long) * BITS_PER_BYTE); 738 if (bitn < ARRAY_SIZE(pplm_fec_2_ethtool_linkmodes)) 739 __set_bit(pplm_fec_2_ethtool_linkmodes[bitn], 740 link_ksettings->link_modes.advertising); 741 742 return 0; 743 } 744 745 static void ptys2ethtool_supported_advertised_port(struct mlx5_core_dev *mdev, 746 struct ethtool_link_ksettings *link_ksettings, 747 u32 eth_proto_cap, u8 connector_type) 748 { 749 if (!MLX5_CAP_PCAM_FEATURE(mdev, ptys_connector_type)) { 750 if (eth_proto_cap & (MLX5E_PROT_MASK(MLX5E_10GBASE_CR) 751 | MLX5E_PROT_MASK(MLX5E_10GBASE_SR) 752 | MLX5E_PROT_MASK(MLX5E_40GBASE_CR4) 753 | MLX5E_PROT_MASK(MLX5E_40GBASE_SR4) 754 | MLX5E_PROT_MASK(MLX5E_100GBASE_SR4) 755 | MLX5E_PROT_MASK(MLX5E_1000BASE_CX_SGMII))) { 756 ethtool_link_ksettings_add_link_mode(link_ksettings, 757 supported, 758 FIBRE); 759 ethtool_link_ksettings_add_link_mode(link_ksettings, 760 advertising, 761 FIBRE); 762 } 763 764 if (eth_proto_cap & (MLX5E_PROT_MASK(MLX5E_100GBASE_KR4) 765 | MLX5E_PROT_MASK(MLX5E_40GBASE_KR4) 766 | MLX5E_PROT_MASK(MLX5E_10GBASE_KR) 767 | MLX5E_PROT_MASK(MLX5E_10GBASE_KX4) 768 | MLX5E_PROT_MASK(MLX5E_1000BASE_KX))) { 769 ethtool_link_ksettings_add_link_mode(link_ksettings, 770 supported, 771 Backplane); 772 ethtool_link_ksettings_add_link_mode(link_ksettings, 773 advertising, 774 Backplane); 775 } 776 return; 777 } 778 779 switch (connector_type) { 780 case MLX5E_PORT_TP: 781 ethtool_link_ksettings_add_link_mode(link_ksettings, 782 supported, TP); 783 ethtool_link_ksettings_add_link_mode(link_ksettings, 784 advertising, TP); 785 break; 786 case MLX5E_PORT_AUI: 787 ethtool_link_ksettings_add_link_mode(link_ksettings, 788 supported, AUI); 789 ethtool_link_ksettings_add_link_mode(link_ksettings, 790 advertising, AUI); 791 break; 792 case MLX5E_PORT_BNC: 793 ethtool_link_ksettings_add_link_mode(link_ksettings, 794 supported, BNC); 795 ethtool_link_ksettings_add_link_mode(link_ksettings, 796 advertising, BNC); 797 break; 798 case MLX5E_PORT_MII: 799 ethtool_link_ksettings_add_link_mode(link_ksettings, 800 supported, MII); 801 ethtool_link_ksettings_add_link_mode(link_ksettings, 802 advertising, MII); 803 break; 804 case MLX5E_PORT_FIBRE: 805 ethtool_link_ksettings_add_link_mode(link_ksettings, 806 supported, FIBRE); 807 ethtool_link_ksettings_add_link_mode(link_ksettings, 808 advertising, FIBRE); 809 break; 810 case MLX5E_PORT_DA: 811 ethtool_link_ksettings_add_link_mode(link_ksettings, 812 supported, Backplane); 813 ethtool_link_ksettings_add_link_mode(link_ksettings, 814 advertising, Backplane); 815 break; 816 case MLX5E_PORT_NONE: 817 case MLX5E_PORT_OTHER: 818 default: 819 break; 820 } 821 } 822 823 static void get_speed_duplex(struct net_device *netdev, 824 u32 eth_proto_oper, bool force_legacy, 825 u16 data_rate_oper, 826 struct ethtool_link_ksettings *link_ksettings) 827 { 828 struct mlx5e_priv *priv = netdev_priv(netdev); 829 u32 speed = SPEED_UNKNOWN; 830 u8 duplex = DUPLEX_UNKNOWN; 831 832 if (!netif_carrier_ok(netdev)) 833 goto out; 834 835 speed = mlx5e_port_ptys2speed(priv->mdev, eth_proto_oper, force_legacy); 836 if (!speed) { 837 if (data_rate_oper) 838 speed = 100 * data_rate_oper; 839 else 840 speed = SPEED_UNKNOWN; 841 goto out; 842 } 843 844 duplex = DUPLEX_FULL; 845 846 out: 847 link_ksettings->base.speed = speed; 848 link_ksettings->base.duplex = duplex; 849 } 850 851 static void get_supported(struct mlx5_core_dev *mdev, u32 eth_proto_cap, 852 struct ethtool_link_ksettings *link_ksettings) 853 { 854 unsigned long *supported = link_ksettings->link_modes.supported; 855 ptys2ethtool_supported_link(mdev, supported, eth_proto_cap); 856 857 ethtool_link_ksettings_add_link_mode(link_ksettings, supported, Pause); 858 } 859 860 static void get_advertising(u32 eth_proto_cap, u8 tx_pause, u8 rx_pause, 861 struct ethtool_link_ksettings *link_ksettings, 862 bool ext) 863 { 864 unsigned long *advertising = link_ksettings->link_modes.advertising; 865 ptys2ethtool_adver_link(advertising, eth_proto_cap, ext); 866 867 if (rx_pause) 868 ethtool_link_ksettings_add_link_mode(link_ksettings, advertising, Pause); 869 if (tx_pause ^ rx_pause) 870 ethtool_link_ksettings_add_link_mode(link_ksettings, advertising, Asym_Pause); 871 } 872 873 static int ptys2connector_type[MLX5E_CONNECTOR_TYPE_NUMBER] = { 874 [MLX5E_PORT_UNKNOWN] = PORT_OTHER, 875 [MLX5E_PORT_NONE] = PORT_NONE, 876 [MLX5E_PORT_TP] = PORT_TP, 877 [MLX5E_PORT_AUI] = PORT_AUI, 878 [MLX5E_PORT_BNC] = PORT_BNC, 879 [MLX5E_PORT_MII] = PORT_MII, 880 [MLX5E_PORT_FIBRE] = PORT_FIBRE, 881 [MLX5E_PORT_DA] = PORT_DA, 882 [MLX5E_PORT_OTHER] = PORT_OTHER, 883 }; 884 885 static u8 get_connector_port(struct mlx5_core_dev *mdev, u32 eth_proto, u8 connector_type) 886 { 887 if (MLX5_CAP_PCAM_FEATURE(mdev, ptys_connector_type)) 888 return ptys2connector_type[connector_type]; 889 890 if (eth_proto & 891 (MLX5E_PROT_MASK(MLX5E_10GBASE_SR) | 892 MLX5E_PROT_MASK(MLX5E_40GBASE_SR4) | 893 MLX5E_PROT_MASK(MLX5E_100GBASE_SR4) | 894 MLX5E_PROT_MASK(MLX5E_1000BASE_CX_SGMII))) { 895 return PORT_FIBRE; 896 } 897 898 if (eth_proto & 899 (MLX5E_PROT_MASK(MLX5E_40GBASE_CR4) | 900 MLX5E_PROT_MASK(MLX5E_10GBASE_CR) | 901 MLX5E_PROT_MASK(MLX5E_100GBASE_CR4))) { 902 return PORT_DA; 903 } 904 905 if (eth_proto & 906 (MLX5E_PROT_MASK(MLX5E_10GBASE_KX4) | 907 MLX5E_PROT_MASK(MLX5E_10GBASE_KR) | 908 MLX5E_PROT_MASK(MLX5E_40GBASE_KR4) | 909 MLX5E_PROT_MASK(MLX5E_100GBASE_KR4))) { 910 return PORT_NONE; 911 } 912 913 return PORT_OTHER; 914 } 915 916 static void get_lp_advertising(struct mlx5_core_dev *mdev, u32 eth_proto_lp, 917 struct ethtool_link_ksettings *link_ksettings) 918 { 919 unsigned long *lp_advertising = link_ksettings->link_modes.lp_advertising; 920 bool ext = mlx5e_ptys_ext_supported(mdev); 921 922 ptys2ethtool_adver_link(lp_advertising, eth_proto_lp, ext); 923 } 924 925 int mlx5e_ethtool_get_link_ksettings(struct mlx5e_priv *priv, 926 struct ethtool_link_ksettings *link_ksettings) 927 { 928 struct mlx5_core_dev *mdev = priv->mdev; 929 u32 out[MLX5_ST_SZ_DW(ptys_reg)] = {}; 930 u32 eth_proto_admin; 931 u8 an_disable_admin; 932 u16 data_rate_oper; 933 u32 eth_proto_oper; 934 u32 eth_proto_cap; 935 u8 connector_type; 936 u32 rx_pause = 0; 937 u32 tx_pause = 0; 938 u32 eth_proto_lp; 939 bool admin_ext; 940 u8 an_status; 941 bool ext; 942 int err; 943 944 err = mlx5_query_port_ptys(mdev, out, sizeof(out), MLX5_PTYS_EN, 1); 945 if (err) { 946 netdev_err(priv->netdev, "%s: query port ptys failed: %d\n", 947 __func__, err); 948 goto err_query_regs; 949 } 950 ext = !!MLX5_GET_ETH_PROTO(ptys_reg, out, true, eth_proto_capability); 951 eth_proto_cap = MLX5_GET_ETH_PROTO(ptys_reg, out, ext, 952 eth_proto_capability); 953 eth_proto_admin = MLX5_GET_ETH_PROTO(ptys_reg, out, ext, 954 eth_proto_admin); 955 /* Fields: eth_proto_admin and ext_eth_proto_admin are 956 * mutually exclusive. Hence try reading legacy advertising 957 * when extended advertising is zero. 958 * admin_ext indicates which proto_admin (ext vs. legacy) 959 * should be read and interpreted 960 */ 961 admin_ext = ext; 962 if (ext && !eth_proto_admin) { 963 eth_proto_admin = MLX5_GET_ETH_PROTO(ptys_reg, out, false, 964 eth_proto_admin); 965 admin_ext = false; 966 } 967 968 eth_proto_oper = MLX5_GET_ETH_PROTO(ptys_reg, out, admin_ext, 969 eth_proto_oper); 970 eth_proto_lp = MLX5_GET(ptys_reg, out, eth_proto_lp_advertise); 971 an_disable_admin = MLX5_GET(ptys_reg, out, an_disable_admin); 972 an_status = MLX5_GET(ptys_reg, out, an_status); 973 connector_type = MLX5_GET(ptys_reg, out, connector_type); 974 data_rate_oper = MLX5_GET(ptys_reg, out, data_rate_oper); 975 976 mlx5_query_port_pause(mdev, &rx_pause, &tx_pause); 977 978 ethtool_link_ksettings_zero_link_mode(link_ksettings, supported); 979 ethtool_link_ksettings_zero_link_mode(link_ksettings, advertising); 980 981 get_supported(mdev, eth_proto_cap, link_ksettings); 982 get_advertising(eth_proto_admin, tx_pause, rx_pause, link_ksettings, 983 admin_ext); 984 get_speed_duplex(priv->netdev, eth_proto_oper, !admin_ext, 985 data_rate_oper, link_ksettings); 986 987 eth_proto_oper = eth_proto_oper ? eth_proto_oper : eth_proto_cap; 988 connector_type = connector_type < MLX5E_CONNECTOR_TYPE_NUMBER ? 989 connector_type : MLX5E_PORT_UNKNOWN; 990 link_ksettings->base.port = get_connector_port(mdev, eth_proto_oper, connector_type); 991 ptys2ethtool_supported_advertised_port(mdev, link_ksettings, eth_proto_admin, 992 connector_type); 993 get_lp_advertising(mdev, eth_proto_lp, link_ksettings); 994 995 if (an_status == MLX5_AN_COMPLETE) 996 ethtool_link_ksettings_add_link_mode(link_ksettings, 997 lp_advertising, Autoneg); 998 999 link_ksettings->base.autoneg = an_disable_admin ? AUTONEG_DISABLE : 1000 AUTONEG_ENABLE; 1001 ethtool_link_ksettings_add_link_mode(link_ksettings, supported, 1002 Autoneg); 1003 1004 err = get_fec_supported_advertised(mdev, link_ksettings); 1005 if (err) { 1006 netdev_dbg(priv->netdev, "%s: FEC caps query failed: %d\n", 1007 __func__, err); 1008 err = 0; /* don't fail caps query because of FEC error */ 1009 } 1010 1011 if (!an_disable_admin) 1012 ethtool_link_ksettings_add_link_mode(link_ksettings, 1013 advertising, Autoneg); 1014 1015 err_query_regs: 1016 return err; 1017 } 1018 1019 static int mlx5e_get_link_ksettings(struct net_device *netdev, 1020 struct ethtool_link_ksettings *link_ksettings) 1021 { 1022 struct mlx5e_priv *priv = netdev_priv(netdev); 1023 1024 return mlx5e_ethtool_get_link_ksettings(priv, link_ksettings); 1025 } 1026 1027 static int mlx5e_speed_validate(struct net_device *netdev, bool ext, 1028 const unsigned long link_modes, u8 autoneg) 1029 { 1030 /* Extended link-mode has no speed limitations. */ 1031 if (ext) 1032 return 0; 1033 1034 if ((link_modes & MLX5E_PROT_MASK(MLX5E_56GBASE_R4)) && 1035 autoneg != AUTONEG_ENABLE) { 1036 netdev_err(netdev, "%s: 56G link speed requires autoneg enabled\n", 1037 __func__); 1038 return -EINVAL; 1039 } 1040 return 0; 1041 } 1042 1043 static u32 mlx5e_ethtool2ptys_adver_link(const unsigned long *link_modes) 1044 { 1045 u32 i, ptys_modes = 0; 1046 1047 for (i = 0; i < MLX5E_LINK_MODES_NUMBER; ++i) { 1048 if (*ptys2legacy_ethtool_table[i].advertised == 0) 1049 continue; 1050 if (bitmap_intersects(ptys2legacy_ethtool_table[i].advertised, 1051 link_modes, 1052 __ETHTOOL_LINK_MODE_MASK_NBITS)) 1053 ptys_modes |= MLX5E_PROT_MASK(i); 1054 } 1055 1056 return ptys_modes; 1057 } 1058 1059 static u32 mlx5e_ethtool2ptys_ext_adver_link(const unsigned long *link_modes) 1060 { 1061 u32 i, ptys_modes = 0; 1062 unsigned long modes[2]; 1063 1064 for (i = 0; i < MLX5E_EXT_LINK_MODES_NUMBER; ++i) { 1065 if (ptys2ext_ethtool_table[i].advertised[0] == 0 && 1066 ptys2ext_ethtool_table[i].advertised[1] == 0) 1067 continue; 1068 memset(modes, 0, sizeof(modes)); 1069 bitmap_and(modes, ptys2ext_ethtool_table[i].advertised, 1070 link_modes, __ETHTOOL_LINK_MODE_MASK_NBITS); 1071 1072 if (modes[0] == ptys2ext_ethtool_table[i].advertised[0] && 1073 modes[1] == ptys2ext_ethtool_table[i].advertised[1]) 1074 ptys_modes |= MLX5E_PROT_MASK(i); 1075 } 1076 return ptys_modes; 1077 } 1078 1079 static bool ext_link_mode_requested(const unsigned long *adver) 1080 { 1081 #define MLX5E_MIN_PTYS_EXT_LINK_MODE_BIT ETHTOOL_LINK_MODE_50000baseKR_Full_BIT 1082 int size = __ETHTOOL_LINK_MODE_MASK_NBITS - MLX5E_MIN_PTYS_EXT_LINK_MODE_BIT; 1083 __ETHTOOL_DECLARE_LINK_MODE_MASK(modes) = {0,}; 1084 1085 bitmap_set(modes, MLX5E_MIN_PTYS_EXT_LINK_MODE_BIT, size); 1086 return bitmap_intersects(modes, adver, __ETHTOOL_LINK_MODE_MASK_NBITS); 1087 } 1088 1089 static bool ext_requested(u8 autoneg, const unsigned long *adver, bool ext_supported) 1090 { 1091 bool ext_link_mode = ext_link_mode_requested(adver); 1092 1093 return autoneg == AUTONEG_ENABLE ? ext_link_mode : ext_supported; 1094 } 1095 1096 int mlx5e_ethtool_set_link_ksettings(struct mlx5e_priv *priv, 1097 const struct ethtool_link_ksettings *link_ksettings) 1098 { 1099 struct mlx5_core_dev *mdev = priv->mdev; 1100 struct mlx5e_port_eth_proto eproto; 1101 const unsigned long *adver; 1102 bool an_changes = false; 1103 u8 an_disable_admin; 1104 bool ext_supported; 1105 u8 an_disable_cap; 1106 bool an_disable; 1107 u32 link_modes; 1108 u8 an_status; 1109 u8 autoneg; 1110 u32 speed; 1111 bool ext; 1112 int err; 1113 1114 u32 (*ethtool2ptys_adver_func)(const unsigned long *adver); 1115 1116 adver = link_ksettings->link_modes.advertising; 1117 autoneg = link_ksettings->base.autoneg; 1118 speed = link_ksettings->base.speed; 1119 1120 ext_supported = mlx5e_ptys_ext_supported(mdev); 1121 ext = ext_requested(autoneg, adver, ext_supported); 1122 if (!ext_supported && ext) 1123 return -EOPNOTSUPP; 1124 1125 ethtool2ptys_adver_func = ext ? mlx5e_ethtool2ptys_ext_adver_link : 1126 mlx5e_ethtool2ptys_adver_link; 1127 err = mlx5_port_query_eth_proto(mdev, 1, ext, &eproto); 1128 if (err) { 1129 netdev_err(priv->netdev, "%s: query port eth proto failed: %d\n", 1130 __func__, err); 1131 goto out; 1132 } 1133 link_modes = autoneg == AUTONEG_ENABLE ? ethtool2ptys_adver_func(adver) : 1134 mlx5e_port_speed2linkmodes(mdev, speed, !ext); 1135 1136 err = mlx5e_speed_validate(priv->netdev, ext, link_modes, autoneg); 1137 if (err) 1138 goto out; 1139 1140 link_modes = link_modes & eproto.cap; 1141 if (!link_modes) { 1142 netdev_err(priv->netdev, "%s: Not supported link mode(s) requested", 1143 __func__); 1144 err = -EINVAL; 1145 goto out; 1146 } 1147 1148 mlx5_port_query_eth_autoneg(mdev, &an_status, &an_disable_cap, 1149 &an_disable_admin); 1150 1151 an_disable = autoneg == AUTONEG_DISABLE; 1152 an_changes = ((!an_disable && an_disable_admin) || 1153 (an_disable && !an_disable_admin)); 1154 1155 if (!an_changes && link_modes == eproto.admin) 1156 goto out; 1157 1158 mlx5_port_set_eth_ptys(mdev, an_disable, link_modes, ext); 1159 mlx5_toggle_port_link(mdev); 1160 1161 out: 1162 return err; 1163 } 1164 1165 static int mlx5e_set_link_ksettings(struct net_device *netdev, 1166 const struct ethtool_link_ksettings *link_ksettings) 1167 { 1168 struct mlx5e_priv *priv = netdev_priv(netdev); 1169 1170 return mlx5e_ethtool_set_link_ksettings(priv, link_ksettings); 1171 } 1172 1173 u32 mlx5e_ethtool_get_rxfh_key_size(struct mlx5e_priv *priv) 1174 { 1175 return sizeof(priv->rss_params.toeplitz_hash_key); 1176 } 1177 1178 static u32 mlx5e_get_rxfh_key_size(struct net_device *netdev) 1179 { 1180 struct mlx5e_priv *priv = netdev_priv(netdev); 1181 1182 return mlx5e_ethtool_get_rxfh_key_size(priv); 1183 } 1184 1185 u32 mlx5e_ethtool_get_rxfh_indir_size(struct mlx5e_priv *priv) 1186 { 1187 return MLX5E_INDIR_RQT_SIZE; 1188 } 1189 1190 static u32 mlx5e_get_rxfh_indir_size(struct net_device *netdev) 1191 { 1192 struct mlx5e_priv *priv = netdev_priv(netdev); 1193 1194 return mlx5e_ethtool_get_rxfh_indir_size(priv); 1195 } 1196 1197 int mlx5e_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key, 1198 u8 *hfunc) 1199 { 1200 struct mlx5e_priv *priv = netdev_priv(netdev); 1201 struct mlx5e_rss_params *rss = &priv->rss_params; 1202 1203 if (indir) 1204 memcpy(indir, rss->indirection_rqt, 1205 sizeof(rss->indirection_rqt)); 1206 1207 if (key) 1208 memcpy(key, rss->toeplitz_hash_key, 1209 sizeof(rss->toeplitz_hash_key)); 1210 1211 if (hfunc) 1212 *hfunc = rss->hfunc; 1213 1214 return 0; 1215 } 1216 1217 int mlx5e_set_rxfh(struct net_device *dev, const u32 *indir, 1218 const u8 *key, const u8 hfunc) 1219 { 1220 struct mlx5e_priv *priv = netdev_priv(dev); 1221 struct mlx5e_rss_params *rss = &priv->rss_params; 1222 int inlen = MLX5_ST_SZ_BYTES(modify_tir_in); 1223 bool refresh_tirs = false; 1224 bool refresh_rqt = false; 1225 void *in; 1226 1227 if ((hfunc != ETH_RSS_HASH_NO_CHANGE) && 1228 (hfunc != ETH_RSS_HASH_XOR) && 1229 (hfunc != ETH_RSS_HASH_TOP)) 1230 return -EINVAL; 1231 1232 in = kvzalloc(inlen, GFP_KERNEL); 1233 if (!in) 1234 return -ENOMEM; 1235 1236 mutex_lock(&priv->state_lock); 1237 1238 if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != rss->hfunc) { 1239 rss->hfunc = hfunc; 1240 refresh_rqt = true; 1241 refresh_tirs = true; 1242 } 1243 1244 if (indir) { 1245 memcpy(rss->indirection_rqt, indir, 1246 sizeof(rss->indirection_rqt)); 1247 refresh_rqt = true; 1248 } 1249 1250 if (key) { 1251 memcpy(rss->toeplitz_hash_key, key, 1252 sizeof(rss->toeplitz_hash_key)); 1253 refresh_tirs = refresh_tirs || rss->hfunc == ETH_RSS_HASH_TOP; 1254 } 1255 1256 if (refresh_rqt && test_bit(MLX5E_STATE_OPENED, &priv->state)) { 1257 struct mlx5e_redirect_rqt_param rrp = { 1258 .is_rss = true, 1259 { 1260 .rss = { 1261 .hfunc = rss->hfunc, 1262 .channels = &priv->channels, 1263 }, 1264 }, 1265 }; 1266 u32 rqtn = priv->indir_rqt.rqtn; 1267 1268 mlx5e_redirect_rqt(priv, rqtn, MLX5E_INDIR_RQT_SIZE, rrp); 1269 } 1270 1271 if (refresh_tirs) 1272 mlx5e_modify_tirs_hash(priv, in); 1273 1274 mutex_unlock(&priv->state_lock); 1275 1276 kvfree(in); 1277 1278 return 0; 1279 } 1280 1281 #define MLX5E_PFC_PREVEN_AUTO_TOUT_MSEC 100 1282 #define MLX5E_PFC_PREVEN_TOUT_MAX_MSEC 8000 1283 #define MLX5E_PFC_PREVEN_MINOR_PRECENT 85 1284 #define MLX5E_PFC_PREVEN_TOUT_MIN_MSEC 80 1285 #define MLX5E_DEVICE_STALL_MINOR_WATERMARK(critical_tout) \ 1286 max_t(u16, MLX5E_PFC_PREVEN_TOUT_MIN_MSEC, \ 1287 (critical_tout * MLX5E_PFC_PREVEN_MINOR_PRECENT) / 100) 1288 1289 static int mlx5e_get_pfc_prevention_tout(struct net_device *netdev, 1290 u16 *pfc_prevention_tout) 1291 { 1292 struct mlx5e_priv *priv = netdev_priv(netdev); 1293 struct mlx5_core_dev *mdev = priv->mdev; 1294 1295 if (!MLX5_CAP_PCAM_FEATURE((priv)->mdev, pfcc_mask) || 1296 !MLX5_CAP_DEBUG((priv)->mdev, stall_detect)) 1297 return -EOPNOTSUPP; 1298 1299 return mlx5_query_port_stall_watermark(mdev, pfc_prevention_tout, NULL); 1300 } 1301 1302 static int mlx5e_set_pfc_prevention_tout(struct net_device *netdev, 1303 u16 pfc_preven) 1304 { 1305 struct mlx5e_priv *priv = netdev_priv(netdev); 1306 struct mlx5_core_dev *mdev = priv->mdev; 1307 u16 critical_tout; 1308 u16 minor; 1309 1310 if (!MLX5_CAP_PCAM_FEATURE((priv)->mdev, pfcc_mask) || 1311 !MLX5_CAP_DEBUG((priv)->mdev, stall_detect)) 1312 return -EOPNOTSUPP; 1313 1314 critical_tout = (pfc_preven == PFC_STORM_PREVENTION_AUTO) ? 1315 MLX5E_PFC_PREVEN_AUTO_TOUT_MSEC : 1316 pfc_preven; 1317 1318 if (critical_tout != PFC_STORM_PREVENTION_DISABLE && 1319 (critical_tout > MLX5E_PFC_PREVEN_TOUT_MAX_MSEC || 1320 critical_tout < MLX5E_PFC_PREVEN_TOUT_MIN_MSEC)) { 1321 netdev_info(netdev, "%s: pfc prevention tout not in range (%d-%d)\n", 1322 __func__, MLX5E_PFC_PREVEN_TOUT_MIN_MSEC, 1323 MLX5E_PFC_PREVEN_TOUT_MAX_MSEC); 1324 return -EINVAL; 1325 } 1326 1327 minor = MLX5E_DEVICE_STALL_MINOR_WATERMARK(critical_tout); 1328 return mlx5_set_port_stall_watermark(mdev, critical_tout, 1329 minor); 1330 } 1331 1332 static int mlx5e_get_tunable(struct net_device *dev, 1333 const struct ethtool_tunable *tuna, 1334 void *data) 1335 { 1336 int err; 1337 1338 switch (tuna->id) { 1339 case ETHTOOL_PFC_PREVENTION_TOUT: 1340 err = mlx5e_get_pfc_prevention_tout(dev, data); 1341 break; 1342 default: 1343 err = -EINVAL; 1344 break; 1345 } 1346 1347 return err; 1348 } 1349 1350 static int mlx5e_set_tunable(struct net_device *dev, 1351 const struct ethtool_tunable *tuna, 1352 const void *data) 1353 { 1354 struct mlx5e_priv *priv = netdev_priv(dev); 1355 int err; 1356 1357 mutex_lock(&priv->state_lock); 1358 1359 switch (tuna->id) { 1360 case ETHTOOL_PFC_PREVENTION_TOUT: 1361 err = mlx5e_set_pfc_prevention_tout(dev, *(u16 *)data); 1362 break; 1363 default: 1364 err = -EINVAL; 1365 break; 1366 } 1367 1368 mutex_unlock(&priv->state_lock); 1369 return err; 1370 } 1371 1372 static void mlx5e_get_pause_stats(struct net_device *netdev, 1373 struct ethtool_pause_stats *pause_stats) 1374 { 1375 struct mlx5e_priv *priv = netdev_priv(netdev); 1376 1377 mlx5e_stats_pause_get(priv, pause_stats); 1378 } 1379 1380 void mlx5e_ethtool_get_pauseparam(struct mlx5e_priv *priv, 1381 struct ethtool_pauseparam *pauseparam) 1382 { 1383 struct mlx5_core_dev *mdev = priv->mdev; 1384 int err; 1385 1386 err = mlx5_query_port_pause(mdev, &pauseparam->rx_pause, 1387 &pauseparam->tx_pause); 1388 if (err) { 1389 netdev_err(priv->netdev, "%s: mlx5_query_port_pause failed:0x%x\n", 1390 __func__, err); 1391 } 1392 } 1393 1394 static void mlx5e_get_pauseparam(struct net_device *netdev, 1395 struct ethtool_pauseparam *pauseparam) 1396 { 1397 struct mlx5e_priv *priv = netdev_priv(netdev); 1398 1399 mlx5e_ethtool_get_pauseparam(priv, pauseparam); 1400 } 1401 1402 int mlx5e_ethtool_set_pauseparam(struct mlx5e_priv *priv, 1403 struct ethtool_pauseparam *pauseparam) 1404 { 1405 struct mlx5_core_dev *mdev = priv->mdev; 1406 int err; 1407 1408 if (!MLX5_CAP_GEN(mdev, vport_group_manager)) 1409 return -EOPNOTSUPP; 1410 1411 if (pauseparam->autoneg) 1412 return -EINVAL; 1413 1414 err = mlx5_set_port_pause(mdev, 1415 pauseparam->rx_pause ? 1 : 0, 1416 pauseparam->tx_pause ? 1 : 0); 1417 if (err) { 1418 netdev_err(priv->netdev, "%s: mlx5_set_port_pause failed:0x%x\n", 1419 __func__, err); 1420 } 1421 1422 return err; 1423 } 1424 1425 static int mlx5e_set_pauseparam(struct net_device *netdev, 1426 struct ethtool_pauseparam *pauseparam) 1427 { 1428 struct mlx5e_priv *priv = netdev_priv(netdev); 1429 1430 return mlx5e_ethtool_set_pauseparam(priv, pauseparam); 1431 } 1432 1433 int mlx5e_ethtool_get_ts_info(struct mlx5e_priv *priv, 1434 struct ethtool_ts_info *info) 1435 { 1436 struct mlx5_core_dev *mdev = priv->mdev; 1437 1438 info->phc_index = mlx5_clock_get_ptp_index(mdev); 1439 1440 if (!MLX5_CAP_GEN(priv->mdev, device_frequency_khz) || 1441 info->phc_index == -1) 1442 return 0; 1443 1444 info->so_timestamping = SOF_TIMESTAMPING_TX_HARDWARE | 1445 SOF_TIMESTAMPING_RX_HARDWARE | 1446 SOF_TIMESTAMPING_RAW_HARDWARE; 1447 1448 info->tx_types = BIT(HWTSTAMP_TX_OFF) | 1449 BIT(HWTSTAMP_TX_ON); 1450 1451 info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) | 1452 BIT(HWTSTAMP_FILTER_ALL); 1453 1454 return 0; 1455 } 1456 1457 static int mlx5e_get_ts_info(struct net_device *dev, 1458 struct ethtool_ts_info *info) 1459 { 1460 struct mlx5e_priv *priv = netdev_priv(dev); 1461 1462 return mlx5e_ethtool_get_ts_info(priv, info); 1463 } 1464 1465 static __u32 mlx5e_get_wol_supported(struct mlx5_core_dev *mdev) 1466 { 1467 __u32 ret = 0; 1468 1469 if (MLX5_CAP_GEN(mdev, wol_g)) 1470 ret |= WAKE_MAGIC; 1471 1472 if (MLX5_CAP_GEN(mdev, wol_s)) 1473 ret |= WAKE_MAGICSECURE; 1474 1475 if (MLX5_CAP_GEN(mdev, wol_a)) 1476 ret |= WAKE_ARP; 1477 1478 if (MLX5_CAP_GEN(mdev, wol_b)) 1479 ret |= WAKE_BCAST; 1480 1481 if (MLX5_CAP_GEN(mdev, wol_m)) 1482 ret |= WAKE_MCAST; 1483 1484 if (MLX5_CAP_GEN(mdev, wol_u)) 1485 ret |= WAKE_UCAST; 1486 1487 if (MLX5_CAP_GEN(mdev, wol_p)) 1488 ret |= WAKE_PHY; 1489 1490 return ret; 1491 } 1492 1493 static __u32 mlx5e_reformat_wol_mode_mlx5_to_linux(u8 mode) 1494 { 1495 __u32 ret = 0; 1496 1497 if (mode & MLX5_WOL_MAGIC) 1498 ret |= WAKE_MAGIC; 1499 1500 if (mode & MLX5_WOL_SECURED_MAGIC) 1501 ret |= WAKE_MAGICSECURE; 1502 1503 if (mode & MLX5_WOL_ARP) 1504 ret |= WAKE_ARP; 1505 1506 if (mode & MLX5_WOL_BROADCAST) 1507 ret |= WAKE_BCAST; 1508 1509 if (mode & MLX5_WOL_MULTICAST) 1510 ret |= WAKE_MCAST; 1511 1512 if (mode & MLX5_WOL_UNICAST) 1513 ret |= WAKE_UCAST; 1514 1515 if (mode & MLX5_WOL_PHY_ACTIVITY) 1516 ret |= WAKE_PHY; 1517 1518 return ret; 1519 } 1520 1521 static u8 mlx5e_reformat_wol_mode_linux_to_mlx5(__u32 mode) 1522 { 1523 u8 ret = 0; 1524 1525 if (mode & WAKE_MAGIC) 1526 ret |= MLX5_WOL_MAGIC; 1527 1528 if (mode & WAKE_MAGICSECURE) 1529 ret |= MLX5_WOL_SECURED_MAGIC; 1530 1531 if (mode & WAKE_ARP) 1532 ret |= MLX5_WOL_ARP; 1533 1534 if (mode & WAKE_BCAST) 1535 ret |= MLX5_WOL_BROADCAST; 1536 1537 if (mode & WAKE_MCAST) 1538 ret |= MLX5_WOL_MULTICAST; 1539 1540 if (mode & WAKE_UCAST) 1541 ret |= MLX5_WOL_UNICAST; 1542 1543 if (mode & WAKE_PHY) 1544 ret |= MLX5_WOL_PHY_ACTIVITY; 1545 1546 return ret; 1547 } 1548 1549 static void mlx5e_get_wol(struct net_device *netdev, 1550 struct ethtool_wolinfo *wol) 1551 { 1552 struct mlx5e_priv *priv = netdev_priv(netdev); 1553 struct mlx5_core_dev *mdev = priv->mdev; 1554 u8 mlx5_wol_mode; 1555 int err; 1556 1557 memset(wol, 0, sizeof(*wol)); 1558 1559 wol->supported = mlx5e_get_wol_supported(mdev); 1560 if (!wol->supported) 1561 return; 1562 1563 err = mlx5_query_port_wol(mdev, &mlx5_wol_mode); 1564 if (err) 1565 return; 1566 1567 wol->wolopts = mlx5e_reformat_wol_mode_mlx5_to_linux(mlx5_wol_mode); 1568 } 1569 1570 static int mlx5e_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 1571 { 1572 struct mlx5e_priv *priv = netdev_priv(netdev); 1573 struct mlx5_core_dev *mdev = priv->mdev; 1574 __u32 wol_supported = mlx5e_get_wol_supported(mdev); 1575 u32 mlx5_wol_mode; 1576 1577 if (!wol_supported) 1578 return -EOPNOTSUPP; 1579 1580 if (wol->wolopts & ~wol_supported) 1581 return -EINVAL; 1582 1583 mlx5_wol_mode = mlx5e_reformat_wol_mode_linux_to_mlx5(wol->wolopts); 1584 1585 return mlx5_set_port_wol(mdev, mlx5_wol_mode); 1586 } 1587 1588 static void mlx5e_get_fec_stats(struct net_device *netdev, 1589 struct ethtool_fec_stats *fec_stats) 1590 { 1591 struct mlx5e_priv *priv = netdev_priv(netdev); 1592 1593 mlx5e_stats_fec_get(priv, fec_stats); 1594 } 1595 1596 static int mlx5e_get_fecparam(struct net_device *netdev, 1597 struct ethtool_fecparam *fecparam) 1598 { 1599 struct mlx5e_priv *priv = netdev_priv(netdev); 1600 struct mlx5_core_dev *mdev = priv->mdev; 1601 u16 fec_configured; 1602 u32 fec_active; 1603 int err; 1604 1605 err = mlx5e_get_fec_mode(mdev, &fec_active, &fec_configured); 1606 1607 if (err) 1608 return err; 1609 1610 fecparam->active_fec = pplm2ethtool_fec((unsigned long)fec_active, 1611 sizeof(unsigned long) * BITS_PER_BYTE); 1612 1613 if (!fecparam->active_fec) 1614 return -EOPNOTSUPP; 1615 1616 fecparam->fec = pplm2ethtool_fec((unsigned long)fec_configured, 1617 sizeof(unsigned long) * BITS_PER_BYTE); 1618 1619 return 0; 1620 } 1621 1622 static int mlx5e_set_fecparam(struct net_device *netdev, 1623 struct ethtool_fecparam *fecparam) 1624 { 1625 struct mlx5e_priv *priv = netdev_priv(netdev); 1626 struct mlx5_core_dev *mdev = priv->mdev; 1627 unsigned long fec_bitmap; 1628 u16 fec_policy = 0; 1629 int mode; 1630 int err; 1631 1632 bitmap_from_arr32(&fec_bitmap, &fecparam->fec, sizeof(fecparam->fec) * BITS_PER_BYTE); 1633 if (bitmap_weight(&fec_bitmap, ETHTOOL_FEC_LLRS_BIT + 1) > 1) 1634 return -EOPNOTSUPP; 1635 1636 for (mode = 0; mode < ARRAY_SIZE(pplm_fec_2_ethtool); mode++) { 1637 if (!(pplm_fec_2_ethtool[mode] & fecparam->fec)) 1638 continue; 1639 fec_policy |= (1 << mode); 1640 break; 1641 } 1642 1643 err = mlx5e_set_fec_mode(mdev, fec_policy); 1644 1645 if (err) 1646 return err; 1647 1648 mlx5_toggle_port_link(mdev); 1649 1650 return 0; 1651 } 1652 1653 static u32 mlx5e_get_msglevel(struct net_device *dev) 1654 { 1655 return ((struct mlx5e_priv *)netdev_priv(dev))->msglevel; 1656 } 1657 1658 static void mlx5e_set_msglevel(struct net_device *dev, u32 val) 1659 { 1660 ((struct mlx5e_priv *)netdev_priv(dev))->msglevel = val; 1661 } 1662 1663 static int mlx5e_set_phys_id(struct net_device *dev, 1664 enum ethtool_phys_id_state state) 1665 { 1666 struct mlx5e_priv *priv = netdev_priv(dev); 1667 struct mlx5_core_dev *mdev = priv->mdev; 1668 u16 beacon_duration; 1669 1670 if (!MLX5_CAP_GEN(mdev, beacon_led)) 1671 return -EOPNOTSUPP; 1672 1673 switch (state) { 1674 case ETHTOOL_ID_ACTIVE: 1675 beacon_duration = MLX5_BEACON_DURATION_INF; 1676 break; 1677 case ETHTOOL_ID_INACTIVE: 1678 beacon_duration = MLX5_BEACON_DURATION_OFF; 1679 break; 1680 default: 1681 return -EOPNOTSUPP; 1682 } 1683 1684 return mlx5_set_port_beacon(mdev, beacon_duration); 1685 } 1686 1687 static int mlx5e_get_module_info(struct net_device *netdev, 1688 struct ethtool_modinfo *modinfo) 1689 { 1690 struct mlx5e_priv *priv = netdev_priv(netdev); 1691 struct mlx5_core_dev *dev = priv->mdev; 1692 int size_read = 0; 1693 u8 data[4] = {0}; 1694 1695 size_read = mlx5_query_module_eeprom(dev, 0, 2, data); 1696 if (size_read < 2) 1697 return -EIO; 1698 1699 /* data[0] = identifier byte */ 1700 switch (data[0]) { 1701 case MLX5_MODULE_ID_QSFP: 1702 modinfo->type = ETH_MODULE_SFF_8436; 1703 modinfo->eeprom_len = ETH_MODULE_SFF_8436_MAX_LEN; 1704 break; 1705 case MLX5_MODULE_ID_QSFP_PLUS: 1706 case MLX5_MODULE_ID_QSFP28: 1707 /* data[1] = revision id */ 1708 if (data[0] == MLX5_MODULE_ID_QSFP28 || data[1] >= 0x3) { 1709 modinfo->type = ETH_MODULE_SFF_8636; 1710 modinfo->eeprom_len = ETH_MODULE_SFF_8636_MAX_LEN; 1711 } else { 1712 modinfo->type = ETH_MODULE_SFF_8436; 1713 modinfo->eeprom_len = ETH_MODULE_SFF_8436_MAX_LEN; 1714 } 1715 break; 1716 case MLX5_MODULE_ID_SFP: 1717 modinfo->type = ETH_MODULE_SFF_8472; 1718 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN; 1719 break; 1720 default: 1721 netdev_err(priv->netdev, "%s: cable type not recognized:0x%x\n", 1722 __func__, data[0]); 1723 return -EINVAL; 1724 } 1725 1726 return 0; 1727 } 1728 1729 static int mlx5e_get_module_eeprom(struct net_device *netdev, 1730 struct ethtool_eeprom *ee, 1731 u8 *data) 1732 { 1733 struct mlx5e_priv *priv = netdev_priv(netdev); 1734 struct mlx5_core_dev *mdev = priv->mdev; 1735 int offset = ee->offset; 1736 int size_read; 1737 int i = 0; 1738 1739 if (!ee->len) 1740 return -EINVAL; 1741 1742 memset(data, 0, ee->len); 1743 1744 while (i < ee->len) { 1745 size_read = mlx5_query_module_eeprom(mdev, offset, ee->len - i, 1746 data + i); 1747 1748 if (!size_read) 1749 /* Done reading */ 1750 return 0; 1751 1752 if (size_read < 0) { 1753 netdev_err(priv->netdev, "%s: mlx5_query_eeprom failed:0x%x\n", 1754 __func__, size_read); 1755 return 0; 1756 } 1757 1758 i += size_read; 1759 offset += size_read; 1760 } 1761 1762 return 0; 1763 } 1764 1765 static int mlx5e_get_module_eeprom_by_page(struct net_device *netdev, 1766 const struct ethtool_module_eeprom *page_data, 1767 struct netlink_ext_ack *extack) 1768 { 1769 struct mlx5e_priv *priv = netdev_priv(netdev); 1770 struct mlx5_module_eeprom_query_params query; 1771 struct mlx5_core_dev *mdev = priv->mdev; 1772 u8 *data = page_data->data; 1773 int size_read; 1774 int i = 0; 1775 1776 if (!page_data->length) 1777 return -EINVAL; 1778 1779 memset(data, 0, page_data->length); 1780 1781 query.offset = page_data->offset; 1782 query.i2c_address = page_data->i2c_address; 1783 query.bank = page_data->bank; 1784 query.page = page_data->page; 1785 while (i < page_data->length) { 1786 query.size = page_data->length - i; 1787 size_read = mlx5_query_module_eeprom_by_page(mdev, &query, data + i); 1788 1789 /* Done reading, return how many bytes was read */ 1790 if (!size_read) 1791 return i; 1792 1793 if (size_read == -EINVAL) 1794 return -EINVAL; 1795 if (size_read < 0) { 1796 netdev_err(priv->netdev, "%s: mlx5_query_module_eeprom_by_page failed:0x%x\n", 1797 __func__, size_read); 1798 return i; 1799 } 1800 1801 i += size_read; 1802 query.offset += size_read; 1803 } 1804 1805 return i; 1806 } 1807 1808 int mlx5e_ethtool_flash_device(struct mlx5e_priv *priv, 1809 struct ethtool_flash *flash) 1810 { 1811 struct mlx5_core_dev *mdev = priv->mdev; 1812 struct net_device *dev = priv->netdev; 1813 const struct firmware *fw; 1814 int err; 1815 1816 if (flash->region != ETHTOOL_FLASH_ALL_REGIONS) 1817 return -EOPNOTSUPP; 1818 1819 err = request_firmware_direct(&fw, flash->data, &dev->dev); 1820 if (err) 1821 return err; 1822 1823 dev_hold(dev); 1824 rtnl_unlock(); 1825 1826 err = mlx5_firmware_flash(mdev, fw, NULL); 1827 release_firmware(fw); 1828 1829 rtnl_lock(); 1830 dev_put(dev); 1831 return err; 1832 } 1833 1834 static int mlx5e_flash_device(struct net_device *dev, 1835 struct ethtool_flash *flash) 1836 { 1837 struct mlx5e_priv *priv = netdev_priv(dev); 1838 1839 return mlx5e_ethtool_flash_device(priv, flash); 1840 } 1841 1842 static int set_pflag_cqe_based_moder(struct net_device *netdev, bool enable, 1843 bool is_rx_cq) 1844 { 1845 struct mlx5e_priv *priv = netdev_priv(netdev); 1846 struct mlx5_core_dev *mdev = priv->mdev; 1847 struct mlx5e_params new_params; 1848 bool mode_changed; 1849 u8 cq_period_mode, current_cq_period_mode; 1850 1851 cq_period_mode = enable ? 1852 MLX5_CQ_PERIOD_MODE_START_FROM_CQE : 1853 MLX5_CQ_PERIOD_MODE_START_FROM_EQE; 1854 current_cq_period_mode = is_rx_cq ? 1855 priv->channels.params.rx_cq_moderation.cq_period_mode : 1856 priv->channels.params.tx_cq_moderation.cq_period_mode; 1857 mode_changed = cq_period_mode != current_cq_period_mode; 1858 1859 if (cq_period_mode == MLX5_CQ_PERIOD_MODE_START_FROM_CQE && 1860 !MLX5_CAP_GEN(mdev, cq_period_start_from_cqe)) 1861 return -EOPNOTSUPP; 1862 1863 if (!mode_changed) 1864 return 0; 1865 1866 new_params = priv->channels.params; 1867 if (is_rx_cq) 1868 mlx5e_set_rx_cq_mode_params(&new_params, cq_period_mode); 1869 else 1870 mlx5e_set_tx_cq_mode_params(&new_params, cq_period_mode); 1871 1872 return mlx5e_safe_switch_params(priv, &new_params, NULL, NULL, true); 1873 } 1874 1875 static int set_pflag_tx_cqe_based_moder(struct net_device *netdev, bool enable) 1876 { 1877 return set_pflag_cqe_based_moder(netdev, enable, false); 1878 } 1879 1880 static int set_pflag_rx_cqe_based_moder(struct net_device *netdev, bool enable) 1881 { 1882 return set_pflag_cqe_based_moder(netdev, enable, true); 1883 } 1884 1885 int mlx5e_modify_rx_cqe_compression_locked(struct mlx5e_priv *priv, bool new_val) 1886 { 1887 bool curr_val = MLX5E_GET_PFLAG(&priv->channels.params, MLX5E_PFLAG_RX_CQE_COMPRESS); 1888 struct mlx5e_params new_params; 1889 int err = 0; 1890 1891 if (!MLX5_CAP_GEN(priv->mdev, cqe_compression)) 1892 return new_val ? -EOPNOTSUPP : 0; 1893 1894 if (curr_val == new_val) 1895 return 0; 1896 1897 if (new_val && !priv->profile->rx_ptp_support && 1898 priv->tstamp.rx_filter != HWTSTAMP_FILTER_NONE) { 1899 netdev_err(priv->netdev, 1900 "Profile doesn't support enabling of CQE compression while hardware time-stamping is enabled.\n"); 1901 return -EINVAL; 1902 } 1903 1904 new_params = priv->channels.params; 1905 MLX5E_SET_PFLAG(&new_params, MLX5E_PFLAG_RX_CQE_COMPRESS, new_val); 1906 if (priv->tstamp.rx_filter != HWTSTAMP_FILTER_NONE) 1907 new_params.ptp_rx = new_val; 1908 1909 if (new_params.ptp_rx == priv->channels.params.ptp_rx) 1910 err = mlx5e_safe_switch_params(priv, &new_params, NULL, NULL, true); 1911 else 1912 err = mlx5e_safe_switch_params(priv, &new_params, mlx5e_ptp_rx_manage_fs_ctx, 1913 &new_params.ptp_rx, true); 1914 if (err) 1915 return err; 1916 1917 mlx5e_dbg(DRV, priv, "MLX5E: RxCqeCmprss was turned %s\n", 1918 MLX5E_GET_PFLAG(&priv->channels.params, 1919 MLX5E_PFLAG_RX_CQE_COMPRESS) ? "ON" : "OFF"); 1920 1921 return 0; 1922 } 1923 1924 static int set_pflag_rx_cqe_compress(struct net_device *netdev, 1925 bool enable) 1926 { 1927 struct mlx5e_priv *priv = netdev_priv(netdev); 1928 struct mlx5_core_dev *mdev = priv->mdev; 1929 int err; 1930 1931 if (!MLX5_CAP_GEN(mdev, cqe_compression)) 1932 return -EOPNOTSUPP; 1933 1934 err = mlx5e_modify_rx_cqe_compression_locked(priv, enable); 1935 if (err) 1936 return err; 1937 1938 priv->channels.params.rx_cqe_compress_def = enable; 1939 1940 return 0; 1941 } 1942 1943 static int set_pflag_rx_striding_rq(struct net_device *netdev, bool enable) 1944 { 1945 struct mlx5e_priv *priv = netdev_priv(netdev); 1946 struct mlx5_core_dev *mdev = priv->mdev; 1947 struct mlx5e_params new_params; 1948 1949 if (enable) { 1950 if (!mlx5e_check_fragmented_striding_rq_cap(mdev)) 1951 return -EOPNOTSUPP; 1952 if (!mlx5e_striding_rq_possible(mdev, &priv->channels.params)) 1953 return -EINVAL; 1954 } else if (priv->channels.params.lro_en) { 1955 netdev_warn(netdev, "Can't set legacy RQ with LRO, disable LRO first\n"); 1956 return -EINVAL; 1957 } 1958 1959 new_params = priv->channels.params; 1960 1961 MLX5E_SET_PFLAG(&new_params, MLX5E_PFLAG_RX_STRIDING_RQ, enable); 1962 mlx5e_set_rq_type(mdev, &new_params); 1963 1964 return mlx5e_safe_switch_params(priv, &new_params, NULL, NULL, true); 1965 } 1966 1967 static int set_pflag_rx_no_csum_complete(struct net_device *netdev, bool enable) 1968 { 1969 struct mlx5e_priv *priv = netdev_priv(netdev); 1970 struct mlx5e_channels *channels = &priv->channels; 1971 struct mlx5e_channel *c; 1972 int i; 1973 1974 if (!test_bit(MLX5E_STATE_OPENED, &priv->state) || 1975 priv->channels.params.xdp_prog) 1976 return 0; 1977 1978 for (i = 0; i < channels->num; i++) { 1979 c = channels->c[i]; 1980 if (enable) 1981 __set_bit(MLX5E_RQ_STATE_NO_CSUM_COMPLETE, &c->rq.state); 1982 else 1983 __clear_bit(MLX5E_RQ_STATE_NO_CSUM_COMPLETE, &c->rq.state); 1984 } 1985 1986 return 0; 1987 } 1988 1989 static int set_pflag_tx_mpwqe_common(struct net_device *netdev, u32 flag, bool enable) 1990 { 1991 struct mlx5e_priv *priv = netdev_priv(netdev); 1992 struct mlx5_core_dev *mdev = priv->mdev; 1993 struct mlx5e_params new_params; 1994 1995 if (enable && !mlx5e_tx_mpwqe_supported(mdev)) 1996 return -EOPNOTSUPP; 1997 1998 new_params = priv->channels.params; 1999 2000 MLX5E_SET_PFLAG(&new_params, flag, enable); 2001 2002 return mlx5e_safe_switch_params(priv, &new_params, NULL, NULL, true); 2003 } 2004 2005 static int set_pflag_xdp_tx_mpwqe(struct net_device *netdev, bool enable) 2006 { 2007 return set_pflag_tx_mpwqe_common(netdev, MLX5E_PFLAG_XDP_TX_MPWQE, enable); 2008 } 2009 2010 static int set_pflag_skb_tx_mpwqe(struct net_device *netdev, bool enable) 2011 { 2012 return set_pflag_tx_mpwqe_common(netdev, MLX5E_PFLAG_SKB_TX_MPWQE, enable); 2013 } 2014 2015 static int set_pflag_tx_port_ts(struct net_device *netdev, bool enable) 2016 { 2017 struct mlx5e_priv *priv = netdev_priv(netdev); 2018 struct mlx5_core_dev *mdev = priv->mdev; 2019 struct mlx5e_params new_params; 2020 int err; 2021 2022 if (!MLX5_CAP_GEN(mdev, ts_cqe_to_dest_cqn)) 2023 return -EOPNOTSUPP; 2024 2025 /* Don't allow changing the PTP state if HTB offload is active, because 2026 * the numeration of the QoS SQs will change, while per-queue qdiscs are 2027 * attached. 2028 */ 2029 if (priv->htb.maj_id) { 2030 netdev_err(priv->netdev, "%s: HTB offload is active, cannot change the PTP state\n", 2031 __func__); 2032 return -EINVAL; 2033 } 2034 2035 new_params = priv->channels.params; 2036 MLX5E_SET_PFLAG(&new_params, MLX5E_PFLAG_TX_PORT_TS, enable); 2037 /* No need to verify SQ stop room as 2038 * ptpsq.txqsq.stop_room <= generic_sq->stop_room, and both 2039 * has the same log_sq_size. 2040 */ 2041 2042 err = mlx5e_safe_switch_params(priv, &new_params, 2043 mlx5e_num_channels_changed_ctx, NULL, true); 2044 if (!err) 2045 priv->tx_ptp_opened = true; 2046 2047 return err; 2048 } 2049 2050 static const struct pflag_desc mlx5e_priv_flags[MLX5E_NUM_PFLAGS] = { 2051 { "rx_cqe_moder", set_pflag_rx_cqe_based_moder }, 2052 { "tx_cqe_moder", set_pflag_tx_cqe_based_moder }, 2053 { "rx_cqe_compress", set_pflag_rx_cqe_compress }, 2054 { "rx_striding_rq", set_pflag_rx_striding_rq }, 2055 { "rx_no_csum_complete", set_pflag_rx_no_csum_complete }, 2056 { "xdp_tx_mpwqe", set_pflag_xdp_tx_mpwqe }, 2057 { "skb_tx_mpwqe", set_pflag_skb_tx_mpwqe }, 2058 { "tx_port_ts", set_pflag_tx_port_ts }, 2059 }; 2060 2061 static int mlx5e_handle_pflag(struct net_device *netdev, 2062 u32 wanted_flags, 2063 enum mlx5e_priv_flag flag) 2064 { 2065 struct mlx5e_priv *priv = netdev_priv(netdev); 2066 bool enable = !!(wanted_flags & BIT(flag)); 2067 u32 changes = wanted_flags ^ priv->channels.params.pflags; 2068 int err; 2069 2070 if (!(changes & BIT(flag))) 2071 return 0; 2072 2073 err = mlx5e_priv_flags[flag].handler(netdev, enable); 2074 if (err) { 2075 netdev_err(netdev, "%s private flag '%s' failed err %d\n", 2076 enable ? "Enable" : "Disable", mlx5e_priv_flags[flag].name, err); 2077 return err; 2078 } 2079 2080 MLX5E_SET_PFLAG(&priv->channels.params, flag, enable); 2081 return 0; 2082 } 2083 2084 static int mlx5e_set_priv_flags(struct net_device *netdev, u32 pflags) 2085 { 2086 struct mlx5e_priv *priv = netdev_priv(netdev); 2087 enum mlx5e_priv_flag pflag; 2088 int err; 2089 2090 mutex_lock(&priv->state_lock); 2091 2092 for (pflag = 0; pflag < MLX5E_NUM_PFLAGS; pflag++) { 2093 err = mlx5e_handle_pflag(netdev, pflags, pflag); 2094 if (err) 2095 break; 2096 } 2097 2098 mutex_unlock(&priv->state_lock); 2099 2100 /* Need to fix some features.. */ 2101 netdev_update_features(netdev); 2102 2103 return err; 2104 } 2105 2106 static u32 mlx5e_get_priv_flags(struct net_device *netdev) 2107 { 2108 struct mlx5e_priv *priv = netdev_priv(netdev); 2109 2110 return priv->channels.params.pflags; 2111 } 2112 2113 int mlx5e_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info, 2114 u32 *rule_locs) 2115 { 2116 struct mlx5e_priv *priv = netdev_priv(dev); 2117 2118 /* ETHTOOL_GRXRINGS is needed by ethtool -x which is not part 2119 * of rxnfc. We keep this logic out of mlx5e_ethtool_get_rxnfc, 2120 * to avoid breaking "ethtool -x" when mlx5e_ethtool_get_rxnfc 2121 * is compiled out via CONFIG_MLX5_EN_RXNFC=n. 2122 */ 2123 if (info->cmd == ETHTOOL_GRXRINGS) { 2124 info->data = priv->channels.params.num_channels; 2125 return 0; 2126 } 2127 2128 return mlx5e_ethtool_get_rxnfc(dev, info, rule_locs); 2129 } 2130 2131 int mlx5e_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd) 2132 { 2133 return mlx5e_ethtool_set_rxnfc(dev, cmd); 2134 } 2135 2136 static int query_port_status_opcode(struct mlx5_core_dev *mdev, u32 *status_opcode) 2137 { 2138 struct mlx5_ifc_pddr_troubleshooting_page_bits *pddr_troubleshooting_page; 2139 u32 in[MLX5_ST_SZ_DW(pddr_reg)] = {}; 2140 u32 out[MLX5_ST_SZ_DW(pddr_reg)]; 2141 int err; 2142 2143 MLX5_SET(pddr_reg, in, local_port, 1); 2144 MLX5_SET(pddr_reg, in, page_select, 2145 MLX5_PDDR_REG_PAGE_SELECT_TROUBLESHOOTING_INFO_PAGE); 2146 2147 pddr_troubleshooting_page = MLX5_ADDR_OF(pddr_reg, in, page_data); 2148 MLX5_SET(pddr_troubleshooting_page, pddr_troubleshooting_page, 2149 group_opcode, MLX5_PDDR_REG_TRBLSH_GROUP_OPCODE_MONITOR); 2150 err = mlx5_core_access_reg(mdev, in, sizeof(in), out, 2151 sizeof(out), MLX5_REG_PDDR, 0, 0); 2152 if (err) 2153 return err; 2154 2155 pddr_troubleshooting_page = MLX5_ADDR_OF(pddr_reg, out, page_data); 2156 *status_opcode = MLX5_GET(pddr_troubleshooting_page, pddr_troubleshooting_page, 2157 status_opcode); 2158 return 0; 2159 } 2160 2161 struct mlx5e_ethtool_link_ext_state_opcode_mapping { 2162 u32 status_opcode; 2163 enum ethtool_link_ext_state link_ext_state; 2164 u8 link_ext_substate; 2165 }; 2166 2167 static const struct mlx5e_ethtool_link_ext_state_opcode_mapping 2168 mlx5e_link_ext_state_opcode_map[] = { 2169 /* States relating to the autonegotiation or issues therein */ 2170 {2, ETHTOOL_LINK_EXT_STATE_AUTONEG, 2171 ETHTOOL_LINK_EXT_SUBSTATE_AN_NO_PARTNER_DETECTED}, 2172 {3, ETHTOOL_LINK_EXT_STATE_AUTONEG, 2173 ETHTOOL_LINK_EXT_SUBSTATE_AN_ACK_NOT_RECEIVED}, 2174 {4, ETHTOOL_LINK_EXT_STATE_AUTONEG, 2175 ETHTOOL_LINK_EXT_SUBSTATE_AN_NEXT_PAGE_EXCHANGE_FAILED}, 2176 {36, ETHTOOL_LINK_EXT_STATE_AUTONEG, 2177 ETHTOOL_LINK_EXT_SUBSTATE_AN_NO_PARTNER_DETECTED_FORCE_MODE}, 2178 {38, ETHTOOL_LINK_EXT_STATE_AUTONEG, 2179 ETHTOOL_LINK_EXT_SUBSTATE_AN_FEC_MISMATCH_DURING_OVERRIDE}, 2180 {39, ETHTOOL_LINK_EXT_STATE_AUTONEG, 2181 ETHTOOL_LINK_EXT_SUBSTATE_AN_NO_HCD}, 2182 2183 /* Failure during link training */ 2184 {5, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE, 2185 ETHTOOL_LINK_EXT_SUBSTATE_LT_KR_FRAME_LOCK_NOT_ACQUIRED}, 2186 {6, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE, 2187 ETHTOOL_LINK_EXT_SUBSTATE_LT_KR_LINK_INHIBIT_TIMEOUT}, 2188 {7, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE, 2189 ETHTOOL_LINK_EXT_SUBSTATE_LT_KR_LINK_PARTNER_DID_NOT_SET_RECEIVER_READY}, 2190 {8, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE, 0}, 2191 {14, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE, 2192 ETHTOOL_LINK_EXT_SUBSTATE_LT_REMOTE_FAULT}, 2193 2194 /* Logical mismatch in physical coding sublayer or forward error correction sublayer */ 2195 {9, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH, 2196 ETHTOOL_LINK_EXT_SUBSTATE_LLM_PCS_DID_NOT_ACQUIRE_BLOCK_LOCK}, 2197 {10, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH, 2198 ETHTOOL_LINK_EXT_SUBSTATE_LLM_PCS_DID_NOT_ACQUIRE_AM_LOCK}, 2199 {11, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH, 2200 ETHTOOL_LINK_EXT_SUBSTATE_LLM_PCS_DID_NOT_GET_ALIGN_STATUS}, 2201 {12, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH, 2202 ETHTOOL_LINK_EXT_SUBSTATE_LLM_FC_FEC_IS_NOT_LOCKED}, 2203 {13, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH, 2204 ETHTOOL_LINK_EXT_SUBSTATE_LLM_RS_FEC_IS_NOT_LOCKED}, 2205 2206 /* Signal integrity issues */ 2207 {15, ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY, 0}, 2208 {17, ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY, 2209 ETHTOOL_LINK_EXT_SUBSTATE_BSI_LARGE_NUMBER_OF_PHYSICAL_ERRORS}, 2210 {42, ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY, 2211 ETHTOOL_LINK_EXT_SUBSTATE_BSI_UNSUPPORTED_RATE}, 2212 2213 /* No cable connected */ 2214 {1024, ETHTOOL_LINK_EXT_STATE_NO_CABLE, 0}, 2215 2216 /* Failure is related to cable, e.g., unsupported cable */ 2217 {16, ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE, 2218 ETHTOOL_LINK_EXT_SUBSTATE_CI_UNSUPPORTED_CABLE}, 2219 {20, ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE, 2220 ETHTOOL_LINK_EXT_SUBSTATE_CI_UNSUPPORTED_CABLE}, 2221 {29, ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE, 2222 ETHTOOL_LINK_EXT_SUBSTATE_CI_UNSUPPORTED_CABLE}, 2223 {1025, ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE, 2224 ETHTOOL_LINK_EXT_SUBSTATE_CI_UNSUPPORTED_CABLE}, 2225 {1029, ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE, 2226 ETHTOOL_LINK_EXT_SUBSTATE_CI_UNSUPPORTED_CABLE}, 2227 {1031, ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE, 0}, 2228 2229 /* Failure is related to EEPROM, e.g., failure during reading or parsing the data */ 2230 {1027, ETHTOOL_LINK_EXT_STATE_EEPROM_ISSUE, 0}, 2231 2232 /* Failure during calibration algorithm */ 2233 {23, ETHTOOL_LINK_EXT_STATE_CALIBRATION_FAILURE, 0}, 2234 2235 /* The hardware is not able to provide the power required from cable or module */ 2236 {1032, ETHTOOL_LINK_EXT_STATE_POWER_BUDGET_EXCEEDED, 0}, 2237 2238 /* The module is overheated */ 2239 {1030, ETHTOOL_LINK_EXT_STATE_OVERHEAT, 0}, 2240 }; 2241 2242 static void 2243 mlx5e_set_link_ext_state(struct mlx5e_ethtool_link_ext_state_opcode_mapping 2244 link_ext_state_mapping, 2245 struct ethtool_link_ext_state_info *link_ext_state_info) 2246 { 2247 switch (link_ext_state_mapping.link_ext_state) { 2248 case ETHTOOL_LINK_EXT_STATE_AUTONEG: 2249 link_ext_state_info->autoneg = 2250 link_ext_state_mapping.link_ext_substate; 2251 break; 2252 case ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE: 2253 link_ext_state_info->link_training = 2254 link_ext_state_mapping.link_ext_substate; 2255 break; 2256 case ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH: 2257 link_ext_state_info->link_logical_mismatch = 2258 link_ext_state_mapping.link_ext_substate; 2259 break; 2260 case ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY: 2261 link_ext_state_info->bad_signal_integrity = 2262 link_ext_state_mapping.link_ext_substate; 2263 break; 2264 case ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE: 2265 link_ext_state_info->cable_issue = 2266 link_ext_state_mapping.link_ext_substate; 2267 break; 2268 default: 2269 break; 2270 } 2271 2272 link_ext_state_info->link_ext_state = link_ext_state_mapping.link_ext_state; 2273 } 2274 2275 static int 2276 mlx5e_get_link_ext_state(struct net_device *dev, 2277 struct ethtool_link_ext_state_info *link_ext_state_info) 2278 { 2279 struct mlx5e_ethtool_link_ext_state_opcode_mapping link_ext_state_mapping; 2280 struct mlx5e_priv *priv = netdev_priv(dev); 2281 u32 status_opcode = 0; 2282 int i; 2283 2284 /* Exit without data if the interface state is OK, since no extended data is 2285 * available in such case 2286 */ 2287 if (netif_carrier_ok(dev)) 2288 return -ENODATA; 2289 2290 if (query_port_status_opcode(priv->mdev, &status_opcode) || 2291 !status_opcode) 2292 return -ENODATA; 2293 2294 for (i = 0; i < ARRAY_SIZE(mlx5e_link_ext_state_opcode_map); i++) { 2295 link_ext_state_mapping = mlx5e_link_ext_state_opcode_map[i]; 2296 if (link_ext_state_mapping.status_opcode == status_opcode) { 2297 mlx5e_set_link_ext_state(link_ext_state_mapping, 2298 link_ext_state_info); 2299 return 0; 2300 } 2301 } 2302 2303 return -ENODATA; 2304 } 2305 2306 static void mlx5e_get_eth_phy_stats(struct net_device *netdev, 2307 struct ethtool_eth_phy_stats *phy_stats) 2308 { 2309 struct mlx5e_priv *priv = netdev_priv(netdev); 2310 2311 mlx5e_stats_eth_phy_get(priv, phy_stats); 2312 } 2313 2314 static void mlx5e_get_eth_mac_stats(struct net_device *netdev, 2315 struct ethtool_eth_mac_stats *mac_stats) 2316 { 2317 struct mlx5e_priv *priv = netdev_priv(netdev); 2318 2319 mlx5e_stats_eth_mac_get(priv, mac_stats); 2320 } 2321 2322 static void mlx5e_get_eth_ctrl_stats(struct net_device *netdev, 2323 struct ethtool_eth_ctrl_stats *ctrl_stats) 2324 { 2325 struct mlx5e_priv *priv = netdev_priv(netdev); 2326 2327 mlx5e_stats_eth_ctrl_get(priv, ctrl_stats); 2328 } 2329 2330 static void mlx5e_get_rmon_stats(struct net_device *netdev, 2331 struct ethtool_rmon_stats *rmon_stats, 2332 const struct ethtool_rmon_hist_range **ranges) 2333 { 2334 struct mlx5e_priv *priv = netdev_priv(netdev); 2335 2336 mlx5e_stats_rmon_get(priv, rmon_stats, ranges); 2337 } 2338 2339 const struct ethtool_ops mlx5e_ethtool_ops = { 2340 .supported_coalesce_params = ETHTOOL_COALESCE_USECS | 2341 ETHTOOL_COALESCE_MAX_FRAMES | 2342 ETHTOOL_COALESCE_USE_ADAPTIVE, 2343 .get_drvinfo = mlx5e_get_drvinfo, 2344 .get_link = ethtool_op_get_link, 2345 .get_link_ext_state = mlx5e_get_link_ext_state, 2346 .get_strings = mlx5e_get_strings, 2347 .get_sset_count = mlx5e_get_sset_count, 2348 .get_ethtool_stats = mlx5e_get_ethtool_stats, 2349 .get_ringparam = mlx5e_get_ringparam, 2350 .set_ringparam = mlx5e_set_ringparam, 2351 .get_channels = mlx5e_get_channels, 2352 .set_channels = mlx5e_set_channels, 2353 .get_coalesce = mlx5e_get_coalesce, 2354 .set_coalesce = mlx5e_set_coalesce, 2355 .get_link_ksettings = mlx5e_get_link_ksettings, 2356 .set_link_ksettings = mlx5e_set_link_ksettings, 2357 .get_rxfh_key_size = mlx5e_get_rxfh_key_size, 2358 .get_rxfh_indir_size = mlx5e_get_rxfh_indir_size, 2359 .get_rxfh = mlx5e_get_rxfh, 2360 .set_rxfh = mlx5e_set_rxfh, 2361 .get_rxnfc = mlx5e_get_rxnfc, 2362 .set_rxnfc = mlx5e_set_rxnfc, 2363 .get_tunable = mlx5e_get_tunable, 2364 .set_tunable = mlx5e_set_tunable, 2365 .get_pause_stats = mlx5e_get_pause_stats, 2366 .get_pauseparam = mlx5e_get_pauseparam, 2367 .set_pauseparam = mlx5e_set_pauseparam, 2368 .get_ts_info = mlx5e_get_ts_info, 2369 .set_phys_id = mlx5e_set_phys_id, 2370 .get_wol = mlx5e_get_wol, 2371 .set_wol = mlx5e_set_wol, 2372 .get_module_info = mlx5e_get_module_info, 2373 .get_module_eeprom = mlx5e_get_module_eeprom, 2374 .get_module_eeprom_by_page = mlx5e_get_module_eeprom_by_page, 2375 .flash_device = mlx5e_flash_device, 2376 .get_priv_flags = mlx5e_get_priv_flags, 2377 .set_priv_flags = mlx5e_set_priv_flags, 2378 .self_test = mlx5e_self_test, 2379 .get_msglevel = mlx5e_get_msglevel, 2380 .set_msglevel = mlx5e_set_msglevel, 2381 .get_fec_stats = mlx5e_get_fec_stats, 2382 .get_fecparam = mlx5e_get_fecparam, 2383 .set_fecparam = mlx5e_set_fecparam, 2384 .get_eth_phy_stats = mlx5e_get_eth_phy_stats, 2385 .get_eth_mac_stats = mlx5e_get_eth_mac_stats, 2386 .get_eth_ctrl_stats = mlx5e_get_eth_ctrl_stats, 2387 .get_rmon_stats = mlx5e_get_rmon_stats, 2388 }; 2389