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 <linux/ethtool_netlink.h> 34 35#include "en.h" 36#include "en/port.h" 37#include "en/params.h" 38#include "en/ptp.h" 39#include "lib/clock.h" 40#include "en/fs_ethtool.h" 41 42void mlx5e_ethtool_get_drvinfo(struct mlx5e_priv *priv, 43 struct ethtool_drvinfo *drvinfo) 44{ 45 struct mlx5_core_dev *mdev = priv->mdev; 46 int count; 47 48 strscpy(drvinfo->driver, KBUILD_MODNAME, sizeof(drvinfo->driver)); 49 count = snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), 50 "%d.%d.%04d (%.16s)", fw_rev_maj(mdev), 51 fw_rev_min(mdev), fw_rev_sub(mdev), mdev->board_id); 52 if (count >= sizeof(drvinfo->fw_version)) 53 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), 54 "%d.%d.%04d", fw_rev_maj(mdev), 55 fw_rev_min(mdev), fw_rev_sub(mdev)); 56 57 strscpy(drvinfo->bus_info, dev_name(mdev->device), 58 sizeof(drvinfo->bus_info)); 59} 60 61static void mlx5e_get_drvinfo(struct net_device *dev, 62 struct ethtool_drvinfo *drvinfo) 63{ 64 struct mlx5e_priv *priv = netdev_priv(dev); 65 66 mlx5e_ethtool_get_drvinfo(priv, drvinfo); 67} 68 69struct ptys2ethtool_config { 70 __ETHTOOL_DECLARE_LINK_MODE_MASK(supported); 71 __ETHTOOL_DECLARE_LINK_MODE_MASK(advertised); 72}; 73 74static 75struct ptys2ethtool_config ptys2legacy_ethtool_table[MLX5E_LINK_MODES_NUMBER]; 76static 77struct ptys2ethtool_config ptys2ext_ethtool_table[MLX5E_EXT_LINK_MODES_NUMBER]; 78 79#define MLX5_BUILD_PTYS2ETHTOOL_CONFIG(reg_, table, ...) \ 80 ({ \ 81 struct ptys2ethtool_config *cfg; \ 82 const unsigned int modes[] = { __VA_ARGS__ }; \ 83 unsigned int i, bit, idx; \ 84 cfg = &ptys2##table##_ethtool_table[reg_]; \ 85 bitmap_zero(cfg->supported, \ 86 __ETHTOOL_LINK_MODE_MASK_NBITS); \ 87 bitmap_zero(cfg->advertised, \ 88 __ETHTOOL_LINK_MODE_MASK_NBITS); \ 89 for (i = 0 ; i < ARRAY_SIZE(modes) ; ++i) { \ 90 bit = modes[i] % 64; \ 91 idx = modes[i] / 64; \ 92 __set_bit(bit, &cfg->supported[idx]); \ 93 __set_bit(bit, &cfg->advertised[idx]); \ 94 } \ 95 }) 96 97void mlx5e_build_ptys2ethtool_map(void) 98{ 99 memset(ptys2legacy_ethtool_table, 0, sizeof(ptys2legacy_ethtool_table)); 100 memset(ptys2ext_ethtool_table, 0, sizeof(ptys2ext_ethtool_table)); 101 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_1000BASE_CX_SGMII, legacy, 102 ETHTOOL_LINK_MODE_1000baseKX_Full_BIT); 103 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_1000BASE_KX, legacy, 104 ETHTOOL_LINK_MODE_1000baseKX_Full_BIT); 105 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_CX4, legacy, 106 ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT); 107 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_KX4, legacy, 108 ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT); 109 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_KR, legacy, 110 ETHTOOL_LINK_MODE_10000baseKR_Full_BIT); 111 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_20GBASE_KR2, legacy, 112 ETHTOOL_LINK_MODE_20000baseKR2_Full_BIT); 113 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_40GBASE_CR4, legacy, 114 ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT); 115 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_40GBASE_KR4, legacy, 116 ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT); 117 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_56GBASE_R4, legacy, 118 ETHTOOL_LINK_MODE_56000baseKR4_Full_BIT); 119 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_CR, legacy, 120 ETHTOOL_LINK_MODE_10000baseKR_Full_BIT); 121 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_SR, legacy, 122 ETHTOOL_LINK_MODE_10000baseKR_Full_BIT); 123 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_ER, legacy, 124 ETHTOOL_LINK_MODE_10000baseKR_Full_BIT); 125 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_40GBASE_SR4, legacy, 126 ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT); 127 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_40GBASE_LR4, legacy, 128 ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT); 129 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_50GBASE_SR2, legacy, 130 ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT); 131 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_100GBASE_CR4, legacy, 132 ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT); 133 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_100GBASE_SR4, legacy, 134 ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT); 135 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_100GBASE_KR4, legacy, 136 ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT); 137 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_100GBASE_LR4, legacy, 138 ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT); 139 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_T, legacy, 140 ETHTOOL_LINK_MODE_10000baseT_Full_BIT); 141 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_25GBASE_CR, legacy, 142 ETHTOOL_LINK_MODE_25000baseCR_Full_BIT); 143 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_25GBASE_KR, legacy, 144 ETHTOOL_LINK_MODE_25000baseKR_Full_BIT); 145 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_25GBASE_SR, legacy, 146 ETHTOOL_LINK_MODE_25000baseSR_Full_BIT); 147 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_50GBASE_CR2, legacy, 148 ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT); 149 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_50GBASE_KR2, legacy, 150 ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT); 151 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_SGMII_100M, ext, 152 ETHTOOL_LINK_MODE_100baseT_Full_BIT); 153 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_1000BASE_X_SGMII, ext, 154 ETHTOOL_LINK_MODE_1000baseT_Full_BIT, 155 ETHTOOL_LINK_MODE_1000baseKX_Full_BIT, 156 ETHTOOL_LINK_MODE_1000baseX_Full_BIT); 157 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_5GBASE_R, ext, 158 ETHTOOL_LINK_MODE_5000baseT_Full_BIT); 159 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_XFI_XAUI_1, ext, 160 ETHTOOL_LINK_MODE_10000baseT_Full_BIT, 161 ETHTOOL_LINK_MODE_10000baseKR_Full_BIT, 162 ETHTOOL_LINK_MODE_10000baseR_FEC_BIT, 163 ETHTOOL_LINK_MODE_10000baseCR_Full_BIT, 164 ETHTOOL_LINK_MODE_10000baseSR_Full_BIT, 165 ETHTOOL_LINK_MODE_10000baseLR_Full_BIT, 166 ETHTOOL_LINK_MODE_10000baseER_Full_BIT); 167 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_40GBASE_XLAUI_4_XLPPI_4, ext, 168 ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT, 169 ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT, 170 ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT, 171 ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT); 172 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_25GAUI_1_25GBASE_CR_KR, ext, 173 ETHTOOL_LINK_MODE_25000baseCR_Full_BIT, 174 ETHTOOL_LINK_MODE_25000baseKR_Full_BIT, 175 ETHTOOL_LINK_MODE_25000baseSR_Full_BIT); 176 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_50GAUI_2_LAUI_2_50GBASE_CR2_KR2, 177 ext, 178 ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT, 179 ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT, 180 ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT); 181 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_50GAUI_1_LAUI_1_50GBASE_CR_KR, ext, 182 ETHTOOL_LINK_MODE_50000baseKR_Full_BIT, 183 ETHTOOL_LINK_MODE_50000baseSR_Full_BIT, 184 ETHTOOL_LINK_MODE_50000baseCR_Full_BIT, 185 ETHTOOL_LINK_MODE_50000baseLR_ER_FR_Full_BIT, 186 ETHTOOL_LINK_MODE_50000baseDR_Full_BIT); 187 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_CAUI_4_100GBASE_CR4_KR4, ext, 188 ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT, 189 ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT, 190 ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT, 191 ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT); 192 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_100GAUI_2_100GBASE_CR2_KR2, ext, 193 ETHTOOL_LINK_MODE_100000baseKR2_Full_BIT, 194 ETHTOOL_LINK_MODE_100000baseSR2_Full_BIT, 195 ETHTOOL_LINK_MODE_100000baseCR2_Full_BIT, 196 ETHTOOL_LINK_MODE_100000baseLR2_ER2_FR2_Full_BIT, 197 ETHTOOL_LINK_MODE_100000baseDR2_Full_BIT); 198 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_200GAUI_4_200GBASE_CR4_KR4, ext, 199 ETHTOOL_LINK_MODE_200000baseKR4_Full_BIT, 200 ETHTOOL_LINK_MODE_200000baseSR4_Full_BIT, 201 ETHTOOL_LINK_MODE_200000baseLR4_ER4_FR4_Full_BIT, 202 ETHTOOL_LINK_MODE_200000baseDR4_Full_BIT, 203 ETHTOOL_LINK_MODE_200000baseCR4_Full_BIT); 204 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_100GAUI_1_100GBASE_CR_KR, ext, 205 ETHTOOL_LINK_MODE_100000baseKR_Full_BIT, 206 ETHTOOL_LINK_MODE_100000baseSR_Full_BIT, 207 ETHTOOL_LINK_MODE_100000baseLR_ER_FR_Full_BIT, 208 ETHTOOL_LINK_MODE_100000baseDR_Full_BIT, 209 ETHTOOL_LINK_MODE_100000baseCR_Full_BIT); 210 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_200GAUI_2_200GBASE_CR2_KR2, ext, 211 ETHTOOL_LINK_MODE_200000baseKR2_Full_BIT, 212 ETHTOOL_LINK_MODE_200000baseSR2_Full_BIT, 213 ETHTOOL_LINK_MODE_200000baseLR2_ER2_FR2_Full_BIT, 214 ETHTOOL_LINK_MODE_200000baseDR2_Full_BIT, 215 ETHTOOL_LINK_MODE_200000baseCR2_Full_BIT); 216 MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_400GAUI_4_400GBASE_CR4_KR4, ext, 217 ETHTOOL_LINK_MODE_400000baseKR4_Full_BIT, 218 ETHTOOL_LINK_MODE_400000baseSR4_Full_BIT, 219 ETHTOOL_LINK_MODE_400000baseLR4_ER4_FR4_Full_BIT, 220 ETHTOOL_LINK_MODE_400000baseDR4_Full_BIT, 221 ETHTOOL_LINK_MODE_400000baseCR4_Full_BIT); 222} 223 224static void mlx5e_ethtool_get_speed_arr(struct mlx5_core_dev *mdev, 225 struct ptys2ethtool_config **arr, 226 u32 *size) 227{ 228 bool ext = mlx5_ptys_ext_supported(mdev); 229 230 *arr = ext ? ptys2ext_ethtool_table : ptys2legacy_ethtool_table; 231 *size = ext ? ARRAY_SIZE(ptys2ext_ethtool_table) : 232 ARRAY_SIZE(ptys2legacy_ethtool_table); 233} 234 235typedef int (*mlx5e_pflag_handler)(struct net_device *netdev, bool enable); 236 237struct pflag_desc { 238 char name[ETH_GSTRING_LEN]; 239 mlx5e_pflag_handler handler; 240}; 241 242static const struct pflag_desc mlx5e_priv_flags[MLX5E_NUM_PFLAGS]; 243 244int mlx5e_ethtool_get_sset_count(struct mlx5e_priv *priv, int sset) 245{ 246 switch (sset) { 247 case ETH_SS_STATS: 248 return mlx5e_stats_total_num(priv); 249 case ETH_SS_PRIV_FLAGS: 250 return MLX5E_NUM_PFLAGS; 251 case ETH_SS_TEST: 252 return mlx5e_self_test_num(priv); 253 default: 254 return -EOPNOTSUPP; 255 } 256} 257 258static int mlx5e_get_sset_count(struct net_device *dev, int sset) 259{ 260 struct mlx5e_priv *priv = netdev_priv(dev); 261 262 return mlx5e_ethtool_get_sset_count(priv, sset); 263} 264 265void mlx5e_ethtool_get_strings(struct mlx5e_priv *priv, u32 stringset, u8 *data) 266{ 267 int i; 268 269 switch (stringset) { 270 case ETH_SS_PRIV_FLAGS: 271 for (i = 0; i < MLX5E_NUM_PFLAGS; i++) 272 strcpy(data + i * ETH_GSTRING_LEN, 273 mlx5e_priv_flags[i].name); 274 break; 275 276 case ETH_SS_TEST: 277 mlx5e_self_test_fill_strings(priv, data); 278 break; 279 280 case ETH_SS_STATS: 281 mlx5e_stats_fill_strings(priv, data); 282 break; 283 } 284} 285 286static void mlx5e_get_strings(struct net_device *dev, u32 stringset, u8 *data) 287{ 288 struct mlx5e_priv *priv = netdev_priv(dev); 289 290 mlx5e_ethtool_get_strings(priv, stringset, data); 291} 292 293void mlx5e_ethtool_get_ethtool_stats(struct mlx5e_priv *priv, 294 struct ethtool_stats *stats, u64 *data) 295{ 296 int idx = 0; 297 298 mutex_lock(&priv->state_lock); 299 mlx5e_stats_update(priv); 300 mutex_unlock(&priv->state_lock); 301 302 mlx5e_stats_fill(priv, data, idx); 303} 304 305static void mlx5e_get_ethtool_stats(struct net_device *dev, 306 struct ethtool_stats *stats, 307 u64 *data) 308{ 309 struct mlx5e_priv *priv = netdev_priv(dev); 310 311 mlx5e_ethtool_get_ethtool_stats(priv, stats, data); 312} 313 314void mlx5e_ethtool_get_ringparam(struct mlx5e_priv *priv, 315 struct ethtool_ringparam *param, 316 struct kernel_ethtool_ringparam *kernel_param) 317{ 318 /* Limitation for regular RQ. XSK RQ may clamp the queue length in 319 * mlx5e_mpwqe_get_log_rq_size. 320 */ 321 u8 max_log_mpwrq_pkts = mlx5e_mpwrq_max_log_rq_pkts(priv->mdev, 322 PAGE_SHIFT, 323 MLX5E_MPWRQ_UMR_MODE_ALIGNED); 324 325 param->rx_max_pending = 1 << min_t(u8, MLX5E_PARAMS_MAXIMUM_LOG_RQ_SIZE, 326 max_log_mpwrq_pkts); 327 param->tx_max_pending = 1 << MLX5E_PARAMS_MAXIMUM_LOG_SQ_SIZE; 328 param->rx_pending = 1 << priv->channels.params.log_rq_mtu_frames; 329 param->tx_pending = 1 << priv->channels.params.log_sq_size; 330 331 kernel_param->tcp_data_split = 332 (priv->channels.params.packet_merge.type == MLX5E_PACKET_MERGE_SHAMPO) ? 333 ETHTOOL_TCP_DATA_SPLIT_ENABLED : 334 ETHTOOL_TCP_DATA_SPLIT_DISABLED; 335} 336 337static void mlx5e_get_ringparam(struct net_device *dev, 338 struct ethtool_ringparam *param, 339 struct kernel_ethtool_ringparam *kernel_param, 340 struct netlink_ext_ack *extack) 341{ 342 struct mlx5e_priv *priv = netdev_priv(dev); 343 344 mlx5e_ethtool_get_ringparam(priv, param, kernel_param); 345} 346 347int mlx5e_ethtool_set_ringparam(struct mlx5e_priv *priv, 348 struct ethtool_ringparam *param) 349{ 350 struct mlx5e_params new_params; 351 u8 log_rq_size; 352 u8 log_sq_size; 353 int err = 0; 354 355 if (param->rx_jumbo_pending) { 356 netdev_info(priv->netdev, "%s: rx_jumbo_pending not supported\n", 357 __func__); 358 return -EINVAL; 359 } 360 if (param->rx_mini_pending) { 361 netdev_info(priv->netdev, "%s: rx_mini_pending not supported\n", 362 __func__); 363 return -EINVAL; 364 } 365 366 if (param->rx_pending < (1 << MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE)) { 367 netdev_info(priv->netdev, "%s: rx_pending (%d) < min (%d)\n", 368 __func__, param->rx_pending, 369 1 << MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE); 370 return -EINVAL; 371 } 372 373 if (param->tx_pending < (1 << MLX5E_PARAMS_MINIMUM_LOG_SQ_SIZE)) { 374 netdev_info(priv->netdev, "%s: tx_pending (%d) < min (%d)\n", 375 __func__, param->tx_pending, 376 1 << MLX5E_PARAMS_MINIMUM_LOG_SQ_SIZE); 377 return -EINVAL; 378 } 379 380 log_rq_size = order_base_2(param->rx_pending); 381 log_sq_size = order_base_2(param->tx_pending); 382 383 if (log_rq_size == priv->channels.params.log_rq_mtu_frames && 384 log_sq_size == priv->channels.params.log_sq_size) 385 return 0; 386 387 mutex_lock(&priv->state_lock); 388 389 new_params = priv->channels.params; 390 new_params.log_rq_mtu_frames = log_rq_size; 391 new_params.log_sq_size = log_sq_size; 392 393 err = mlx5e_validate_params(priv->mdev, &new_params); 394 if (err) 395 goto unlock; 396 397 err = mlx5e_safe_switch_params(priv, &new_params, NULL, NULL, true); 398 399unlock: 400 mutex_unlock(&priv->state_lock); 401 402 return err; 403} 404 405static int mlx5e_set_ringparam(struct net_device *dev, 406 struct ethtool_ringparam *param, 407 struct kernel_ethtool_ringparam *kernel_param, 408 struct netlink_ext_ack *extack) 409{ 410 struct mlx5e_priv *priv = netdev_priv(dev); 411 412 return mlx5e_ethtool_set_ringparam(priv, param); 413} 414 415void mlx5e_ethtool_get_channels(struct mlx5e_priv *priv, 416 struct ethtool_channels *ch) 417{ 418 mutex_lock(&priv->state_lock); 419 ch->max_combined = priv->max_nch; 420 ch->combined_count = priv->channels.params.num_channels; 421 mutex_unlock(&priv->state_lock); 422} 423 424static void mlx5e_get_channels(struct net_device *dev, 425 struct ethtool_channels *ch) 426{ 427 struct mlx5e_priv *priv = netdev_priv(dev); 428 429 mlx5e_ethtool_get_channels(priv, ch); 430} 431 432int mlx5e_ethtool_set_channels(struct mlx5e_priv *priv, 433 struct ethtool_channels *ch) 434{ 435 struct mlx5e_params *cur_params = &priv->channels.params; 436 unsigned int count = ch->combined_count; 437 struct mlx5e_params new_params; 438 bool arfs_enabled; 439 int rss_cnt; 440 bool opened; 441 int err = 0; 442 443 if (!count) { 444 netdev_info(priv->netdev, "%s: combined_count=0 not supported\n", 445 __func__); 446 return -EINVAL; 447 } 448 449 if (cur_params->num_channels == count) 450 return 0; 451 452 mutex_lock(&priv->state_lock); 453 454 if (mlx5e_rx_res_get_current_hash(priv->rx_res).hfunc == ETH_RSS_HASH_XOR) { 455 unsigned int xor8_max_channels = mlx5e_rqt_max_num_channels_allowed_for_xor8(); 456 457 if (count > xor8_max_channels) { 458 err = -EINVAL; 459 netdev_err(priv->netdev, "%s: Requested number of channels (%d) exceeds the maximum allowed by the XOR8 RSS hfunc (%d)\n", 460 __func__, count, xor8_max_channels); 461 goto out; 462 } 463 } 464 465 /* If RXFH is configured, changing the channels number is allowed only if 466 * it does not require resizing the RSS table. This is because the previous 467 * configuration may no longer be compatible with the new RSS table. 468 */ 469 if (netif_is_rxfh_configured(priv->netdev)) { 470 int cur_rqt_size = mlx5e_rqt_size(priv->mdev, cur_params->num_channels); 471 int new_rqt_size = mlx5e_rqt_size(priv->mdev, count); 472 473 if (new_rqt_size != cur_rqt_size) { 474 err = -EINVAL; 475 netdev_err(priv->netdev, 476 "%s: RXFH is configured, block changing channels number that affects RSS table size (new: %d, current: %d)\n", 477 __func__, new_rqt_size, cur_rqt_size); 478 goto out; 479 } 480 } 481 482 /* Don't allow changing the number of channels if HTB offload is active, 483 * because the numeration of the QoS SQs will change, while per-queue 484 * qdiscs are attached. 485 */ 486 if (mlx5e_selq_is_htb_enabled(&priv->selq)) { 487 err = -EINVAL; 488 netdev_err(priv->netdev, "%s: HTB offload is active, cannot change the number of channels\n", 489 __func__); 490 goto out; 491 } 492 493 /* Don't allow changing the number of channels if non-default RSS contexts exist, 494 * the kernel doesn't protect against set_channels operations that break them. 495 */ 496 rss_cnt = mlx5e_rx_res_rss_cnt(priv->rx_res) - 1; 497 if (rss_cnt) { 498 err = -EINVAL; 499 netdev_err(priv->netdev, "%s: Non-default RSS contexts exist (%d), cannot change the number of channels\n", 500 __func__, rss_cnt); 501 goto out; 502 } 503 504 /* Don't allow changing the number of channels if MQPRIO mode channel offload is active, 505 * because it defines a partition over the channels queues. 506 */ 507 if (cur_params->mqprio.mode == TC_MQPRIO_MODE_CHANNEL) { 508 err = -EINVAL; 509 netdev_err(priv->netdev, "%s: MQPRIO mode channel offload is active, cannot change the number of channels\n", 510 __func__); 511 goto out; 512 } 513 514 new_params = *cur_params; 515 new_params.num_channels = count; 516 517 opened = test_bit(MLX5E_STATE_OPENED, &priv->state); 518 519 arfs_enabled = opened && (priv->netdev->features & NETIF_F_NTUPLE); 520 if (arfs_enabled) 521 mlx5e_arfs_disable(priv->fs); 522 523 /* Switch to new channels, set new parameters and close old ones */ 524 err = mlx5e_safe_switch_params(priv, &new_params, 525 mlx5e_num_channels_changed_ctx, NULL, true); 526 527 if (arfs_enabled) { 528 int err2 = mlx5e_arfs_enable(priv->fs); 529 530 if (err2) 531 netdev_err(priv->netdev, "%s: mlx5e_arfs_enable failed: %d\n", 532 __func__, err2); 533 } 534 535out: 536 mutex_unlock(&priv->state_lock); 537 538 return err; 539} 540 541static int mlx5e_set_channels(struct net_device *dev, 542 struct ethtool_channels *ch) 543{ 544 struct mlx5e_priv *priv = netdev_priv(dev); 545 546 return mlx5e_ethtool_set_channels(priv, ch); 547} 548 549int mlx5e_ethtool_get_coalesce(struct mlx5e_priv *priv, 550 struct ethtool_coalesce *coal, 551 struct kernel_ethtool_coalesce *kernel_coal) 552{ 553 struct dim_cq_moder *rx_moder, *tx_moder; 554 555 if (!MLX5_CAP_GEN(priv->mdev, cq_moderation)) 556 return -EOPNOTSUPP; 557 558 rx_moder = &priv->channels.params.rx_cq_moderation; 559 coal->rx_coalesce_usecs = rx_moder->usec; 560 coal->rx_max_coalesced_frames = rx_moder->pkts; 561 coal->use_adaptive_rx_coalesce = priv->channels.params.rx_dim_enabled; 562 563 tx_moder = &priv->channels.params.tx_cq_moderation; 564 coal->tx_coalesce_usecs = tx_moder->usec; 565 coal->tx_max_coalesced_frames = tx_moder->pkts; 566 coal->use_adaptive_tx_coalesce = priv->channels.params.tx_dim_enabled; 567 568 kernel_coal->use_cqe_mode_rx = 569 MLX5E_GET_PFLAG(&priv->channels.params, MLX5E_PFLAG_RX_CQE_BASED_MODER); 570 kernel_coal->use_cqe_mode_tx = 571 MLX5E_GET_PFLAG(&priv->channels.params, MLX5E_PFLAG_TX_CQE_BASED_MODER); 572 573 return 0; 574} 575 576static int mlx5e_get_coalesce(struct net_device *netdev, 577 struct ethtool_coalesce *coal, 578 struct kernel_ethtool_coalesce *kernel_coal, 579 struct netlink_ext_ack *extack) 580{ 581 struct mlx5e_priv *priv = netdev_priv(netdev); 582 583 return mlx5e_ethtool_get_coalesce(priv, coal, kernel_coal); 584} 585 586#define MLX5E_MAX_COAL_TIME MLX5_MAX_CQ_PERIOD 587#define MLX5E_MAX_COAL_FRAMES MLX5_MAX_CQ_COUNT 588 589static void 590mlx5e_set_priv_channels_tx_coalesce(struct mlx5e_priv *priv, struct ethtool_coalesce *coal) 591{ 592 struct mlx5_core_dev *mdev = priv->mdev; 593 int tc; 594 int i; 595 596 for (i = 0; i < priv->channels.num; ++i) { 597 struct mlx5e_channel *c = priv->channels.c[i]; 598 599 for (tc = 0; tc < c->num_tc; tc++) { 600 mlx5_core_modify_cq_moderation(mdev, 601 &c->sq[tc].cq.mcq, 602 coal->tx_coalesce_usecs, 603 coal->tx_max_coalesced_frames); 604 } 605 } 606} 607 608static void 609mlx5e_set_priv_channels_rx_coalesce(struct mlx5e_priv *priv, struct ethtool_coalesce *coal) 610{ 611 struct mlx5_core_dev *mdev = priv->mdev; 612 int i; 613 614 for (i = 0; i < priv->channels.num; ++i) { 615 struct mlx5e_channel *c = priv->channels.c[i]; 616 617 mlx5_core_modify_cq_moderation(mdev, &c->rq.cq.mcq, 618 coal->rx_coalesce_usecs, 619 coal->rx_max_coalesced_frames); 620 } 621} 622 623/* convert a boolean value of cq_mode to mlx5 period mode 624 * true : MLX5_CQ_PERIOD_MODE_START_FROM_CQE 625 * false : MLX5_CQ_PERIOD_MODE_START_FROM_EQE 626 */ 627static int cqe_mode_to_period_mode(bool val) 628{ 629 return val ? MLX5_CQ_PERIOD_MODE_START_FROM_CQE : MLX5_CQ_PERIOD_MODE_START_FROM_EQE; 630} 631 632int mlx5e_ethtool_set_coalesce(struct mlx5e_priv *priv, 633 struct ethtool_coalesce *coal, 634 struct kernel_ethtool_coalesce *kernel_coal, 635 struct netlink_ext_ack *extack) 636{ 637 struct dim_cq_moder *rx_moder, *tx_moder; 638 struct mlx5_core_dev *mdev = priv->mdev; 639 struct mlx5e_params new_params; 640 bool reset_rx, reset_tx; 641 bool reset = true; 642 u8 cq_period_mode; 643 int err = 0; 644 645 if (!MLX5_CAP_GEN(mdev, cq_moderation)) 646 return -EOPNOTSUPP; 647 648 if (coal->tx_coalesce_usecs > MLX5E_MAX_COAL_TIME || 649 coal->rx_coalesce_usecs > MLX5E_MAX_COAL_TIME) { 650 netdev_info(priv->netdev, "%s: maximum coalesce time supported is %lu usecs\n", 651 __func__, MLX5E_MAX_COAL_TIME); 652 return -ERANGE; 653 } 654 655 if (coal->tx_max_coalesced_frames > MLX5E_MAX_COAL_FRAMES || 656 coal->rx_max_coalesced_frames > MLX5E_MAX_COAL_FRAMES) { 657 netdev_info(priv->netdev, "%s: maximum coalesced frames supported is %lu\n", 658 __func__, MLX5E_MAX_COAL_FRAMES); 659 return -ERANGE; 660 } 661 662 if ((kernel_coal->use_cqe_mode_rx || kernel_coal->use_cqe_mode_tx) && 663 !MLX5_CAP_GEN(priv->mdev, cq_period_start_from_cqe)) { 664 NL_SET_ERR_MSG_MOD(extack, "cqe_mode_rx/tx is not supported on this device"); 665 return -EOPNOTSUPP; 666 } 667 668 mutex_lock(&priv->state_lock); 669 new_params = priv->channels.params; 670 671 rx_moder = &new_params.rx_cq_moderation; 672 rx_moder->usec = coal->rx_coalesce_usecs; 673 rx_moder->pkts = coal->rx_max_coalesced_frames; 674 new_params.rx_dim_enabled = !!coal->use_adaptive_rx_coalesce; 675 676 tx_moder = &new_params.tx_cq_moderation; 677 tx_moder->usec = coal->tx_coalesce_usecs; 678 tx_moder->pkts = coal->tx_max_coalesced_frames; 679 new_params.tx_dim_enabled = !!coal->use_adaptive_tx_coalesce; 680 681 reset_rx = !!coal->use_adaptive_rx_coalesce != priv->channels.params.rx_dim_enabled; 682 reset_tx = !!coal->use_adaptive_tx_coalesce != priv->channels.params.tx_dim_enabled; 683 684 cq_period_mode = cqe_mode_to_period_mode(kernel_coal->use_cqe_mode_rx); 685 if (cq_period_mode != rx_moder->cq_period_mode) { 686 mlx5e_set_rx_cq_mode_params(&new_params, cq_period_mode); 687 reset_rx = true; 688 } 689 690 cq_period_mode = cqe_mode_to_period_mode(kernel_coal->use_cqe_mode_tx); 691 if (cq_period_mode != tx_moder->cq_period_mode) { 692 mlx5e_set_tx_cq_mode_params(&new_params, cq_period_mode); 693 reset_tx = true; 694 } 695 696 if (reset_rx) { 697 u8 mode = MLX5E_GET_PFLAG(&new_params, 698 MLX5E_PFLAG_RX_CQE_BASED_MODER); 699 700 mlx5e_reset_rx_moderation(&new_params, mode); 701 } 702 if (reset_tx) { 703 u8 mode = MLX5E_GET_PFLAG(&new_params, 704 MLX5E_PFLAG_TX_CQE_BASED_MODER); 705 706 mlx5e_reset_tx_moderation(&new_params, mode); 707 } 708 709 /* If DIM state hasn't changed, it's possible to modify interrupt 710 * moderation parameters on the fly, even if the channels are open. 711 */ 712 if (!reset_rx && !reset_tx && test_bit(MLX5E_STATE_OPENED, &priv->state)) { 713 if (!coal->use_adaptive_rx_coalesce) 714 mlx5e_set_priv_channels_rx_coalesce(priv, coal); 715 if (!coal->use_adaptive_tx_coalesce) 716 mlx5e_set_priv_channels_tx_coalesce(priv, coal); 717 reset = false; 718 } 719 720 err = mlx5e_safe_switch_params(priv, &new_params, NULL, NULL, reset); 721 722 mutex_unlock(&priv->state_lock); 723 return err; 724} 725 726static int mlx5e_set_coalesce(struct net_device *netdev, 727 struct ethtool_coalesce *coal, 728 struct kernel_ethtool_coalesce *kernel_coal, 729 struct netlink_ext_ack *extack) 730{ 731 struct mlx5e_priv *priv = netdev_priv(netdev); 732 733 return mlx5e_ethtool_set_coalesce(priv, coal, kernel_coal, extack); 734} 735 736static void ptys2ethtool_supported_link(struct mlx5_core_dev *mdev, 737 unsigned long *supported_modes, 738 u32 eth_proto_cap) 739{ 740 unsigned long proto_cap = eth_proto_cap; 741 struct ptys2ethtool_config *table; 742 u32 max_size; 743 int proto; 744 745 mlx5e_ethtool_get_speed_arr(mdev, &table, &max_size); 746 for_each_set_bit(proto, &proto_cap, max_size) 747 bitmap_or(supported_modes, supported_modes, 748 table[proto].supported, 749 __ETHTOOL_LINK_MODE_MASK_NBITS); 750} 751 752static void ptys2ethtool_adver_link(unsigned long *advertising_modes, 753 u32 eth_proto_cap, bool ext) 754{ 755 unsigned long proto_cap = eth_proto_cap; 756 struct ptys2ethtool_config *table; 757 u32 max_size; 758 int proto; 759 760 table = ext ? ptys2ext_ethtool_table : ptys2legacy_ethtool_table; 761 max_size = ext ? ARRAY_SIZE(ptys2ext_ethtool_table) : 762 ARRAY_SIZE(ptys2legacy_ethtool_table); 763 764 for_each_set_bit(proto, &proto_cap, max_size) 765 bitmap_or(advertising_modes, advertising_modes, 766 table[proto].advertised, 767 __ETHTOOL_LINK_MODE_MASK_NBITS); 768} 769 770static const u32 pplm_fec_2_ethtool[] = { 771 [MLX5E_FEC_NOFEC] = ETHTOOL_FEC_OFF, 772 [MLX5E_FEC_FIRECODE] = ETHTOOL_FEC_BASER, 773 [MLX5E_FEC_RS_528_514] = ETHTOOL_FEC_RS, 774 [MLX5E_FEC_RS_544_514] = ETHTOOL_FEC_RS, 775 [MLX5E_FEC_LLRS_272_257_1] = ETHTOOL_FEC_LLRS, 776}; 777 778static u32 pplm2ethtool_fec(u_long fec_mode, unsigned long size) 779{ 780 int mode = 0; 781 782 if (!fec_mode) 783 return ETHTOOL_FEC_AUTO; 784 785 mode = find_first_bit(&fec_mode, size); 786 787 if (mode < ARRAY_SIZE(pplm_fec_2_ethtool)) 788 return pplm_fec_2_ethtool[mode]; 789 790 return 0; 791} 792 793#define MLX5E_ADVERTISE_SUPPORTED_FEC(mlx5_fec, ethtool_fec) \ 794 do { \ 795 if (mlx5e_fec_in_caps(dev, 1 << (mlx5_fec))) \ 796 __set_bit(ethtool_fec, \ 797 link_ksettings->link_modes.supported);\ 798 } while (0) 799 800static const u32 pplm_fec_2_ethtool_linkmodes[] = { 801 [MLX5E_FEC_NOFEC] = ETHTOOL_LINK_MODE_FEC_NONE_BIT, 802 [MLX5E_FEC_FIRECODE] = ETHTOOL_LINK_MODE_FEC_BASER_BIT, 803 [MLX5E_FEC_RS_528_514] = ETHTOOL_LINK_MODE_FEC_RS_BIT, 804 [MLX5E_FEC_RS_544_514] = ETHTOOL_LINK_MODE_FEC_RS_BIT, 805 [MLX5E_FEC_LLRS_272_257_1] = ETHTOOL_LINK_MODE_FEC_LLRS_BIT, 806}; 807 808static int get_fec_supported_advertised(struct mlx5_core_dev *dev, 809 struct ethtool_link_ksettings *link_ksettings) 810{ 811 unsigned long active_fec_long; 812 u32 active_fec; 813 u32 bitn; 814 int err; 815 816 err = mlx5e_get_fec_mode(dev, &active_fec, NULL); 817 if (err) 818 return (err == -EOPNOTSUPP) ? 0 : err; 819 820 MLX5E_ADVERTISE_SUPPORTED_FEC(MLX5E_FEC_NOFEC, 821 ETHTOOL_LINK_MODE_FEC_NONE_BIT); 822 MLX5E_ADVERTISE_SUPPORTED_FEC(MLX5E_FEC_FIRECODE, 823 ETHTOOL_LINK_MODE_FEC_BASER_BIT); 824 MLX5E_ADVERTISE_SUPPORTED_FEC(MLX5E_FEC_RS_528_514, 825 ETHTOOL_LINK_MODE_FEC_RS_BIT); 826 MLX5E_ADVERTISE_SUPPORTED_FEC(MLX5E_FEC_LLRS_272_257_1, 827 ETHTOOL_LINK_MODE_FEC_LLRS_BIT); 828 829 active_fec_long = active_fec; 830 /* active fec is a bit set, find out which bit is set and 831 * advertise the corresponding ethtool bit 832 */ 833 bitn = find_first_bit(&active_fec_long, sizeof(active_fec_long) * BITS_PER_BYTE); 834 if (bitn < ARRAY_SIZE(pplm_fec_2_ethtool_linkmodes)) 835 __set_bit(pplm_fec_2_ethtool_linkmodes[bitn], 836 link_ksettings->link_modes.advertising); 837 838 return 0; 839} 840 841static void ptys2ethtool_supported_advertised_port(struct mlx5_core_dev *mdev, 842 struct ethtool_link_ksettings *link_ksettings, 843 u32 eth_proto_cap, u8 connector_type) 844{ 845 if (!MLX5_CAP_PCAM_FEATURE(mdev, ptys_connector_type)) { 846 if (eth_proto_cap & (MLX5E_PROT_MASK(MLX5E_10GBASE_CR) 847 | MLX5E_PROT_MASK(MLX5E_10GBASE_SR) 848 | MLX5E_PROT_MASK(MLX5E_40GBASE_CR4) 849 | MLX5E_PROT_MASK(MLX5E_40GBASE_SR4) 850 | MLX5E_PROT_MASK(MLX5E_100GBASE_SR4) 851 | MLX5E_PROT_MASK(MLX5E_1000BASE_CX_SGMII))) { 852 ethtool_link_ksettings_add_link_mode(link_ksettings, 853 supported, 854 FIBRE); 855 ethtool_link_ksettings_add_link_mode(link_ksettings, 856 advertising, 857 FIBRE); 858 } 859 860 if (eth_proto_cap & (MLX5E_PROT_MASK(MLX5E_100GBASE_KR4) 861 | MLX5E_PROT_MASK(MLX5E_40GBASE_KR4) 862 | MLX5E_PROT_MASK(MLX5E_10GBASE_KR) 863 | MLX5E_PROT_MASK(MLX5E_10GBASE_KX4) 864 | MLX5E_PROT_MASK(MLX5E_1000BASE_KX))) { 865 ethtool_link_ksettings_add_link_mode(link_ksettings, 866 supported, 867 Backplane); 868 ethtool_link_ksettings_add_link_mode(link_ksettings, 869 advertising, 870 Backplane); 871 } 872 return; 873 } 874 875 switch (connector_type) { 876 case MLX5E_PORT_TP: 877 ethtool_link_ksettings_add_link_mode(link_ksettings, 878 supported, TP); 879 ethtool_link_ksettings_add_link_mode(link_ksettings, 880 advertising, TP); 881 break; 882 case MLX5E_PORT_AUI: 883 ethtool_link_ksettings_add_link_mode(link_ksettings, 884 supported, AUI); 885 ethtool_link_ksettings_add_link_mode(link_ksettings, 886 advertising, AUI); 887 break; 888 case MLX5E_PORT_BNC: 889 ethtool_link_ksettings_add_link_mode(link_ksettings, 890 supported, BNC); 891 ethtool_link_ksettings_add_link_mode(link_ksettings, 892 advertising, BNC); 893 break; 894 case MLX5E_PORT_MII: 895 ethtool_link_ksettings_add_link_mode(link_ksettings, 896 supported, MII); 897 ethtool_link_ksettings_add_link_mode(link_ksettings, 898 advertising, MII); 899 break; 900 case MLX5E_PORT_FIBRE: 901 ethtool_link_ksettings_add_link_mode(link_ksettings, 902 supported, FIBRE); 903 ethtool_link_ksettings_add_link_mode(link_ksettings, 904 advertising, FIBRE); 905 break; 906 case MLX5E_PORT_DA: 907 ethtool_link_ksettings_add_link_mode(link_ksettings, 908 supported, Backplane); 909 ethtool_link_ksettings_add_link_mode(link_ksettings, 910 advertising, Backplane); 911 break; 912 case MLX5E_PORT_NONE: 913 case MLX5E_PORT_OTHER: 914 default: 915 break; 916 } 917} 918 919static void get_speed_duplex(struct net_device *netdev, 920 u32 eth_proto_oper, bool force_legacy, 921 u16 data_rate_oper, 922 struct ethtool_link_ksettings *link_ksettings) 923{ 924 struct mlx5e_priv *priv = netdev_priv(netdev); 925 u32 speed = SPEED_UNKNOWN; 926 u8 duplex = DUPLEX_UNKNOWN; 927 928 if (!netif_carrier_ok(netdev)) 929 goto out; 930 931 speed = mlx5_port_ptys2speed(priv->mdev, eth_proto_oper, force_legacy); 932 if (!speed) { 933 if (data_rate_oper) 934 speed = 100 * data_rate_oper; 935 else 936 speed = SPEED_UNKNOWN; 937 goto out; 938 } 939 940 duplex = DUPLEX_FULL; 941 942out: 943 link_ksettings->base.speed = speed; 944 link_ksettings->base.duplex = duplex; 945} 946 947static void get_supported(struct mlx5_core_dev *mdev, u32 eth_proto_cap, 948 struct ethtool_link_ksettings *link_ksettings) 949{ 950 unsigned long *supported = link_ksettings->link_modes.supported; 951 ptys2ethtool_supported_link(mdev, supported, eth_proto_cap); 952 953 ethtool_link_ksettings_add_link_mode(link_ksettings, supported, Pause); 954} 955 956static void get_advertising(u32 eth_proto_cap, u8 tx_pause, u8 rx_pause, 957 struct ethtool_link_ksettings *link_ksettings, 958 bool ext) 959{ 960 unsigned long *advertising = link_ksettings->link_modes.advertising; 961 ptys2ethtool_adver_link(advertising, eth_proto_cap, ext); 962 963 if (rx_pause) 964 ethtool_link_ksettings_add_link_mode(link_ksettings, advertising, Pause); 965 if (tx_pause ^ rx_pause) 966 ethtool_link_ksettings_add_link_mode(link_ksettings, advertising, Asym_Pause); 967} 968 969static int ptys2connector_type[MLX5E_CONNECTOR_TYPE_NUMBER] = { 970 [MLX5E_PORT_UNKNOWN] = PORT_OTHER, 971 [MLX5E_PORT_NONE] = PORT_NONE, 972 [MLX5E_PORT_TP] = PORT_TP, 973 [MLX5E_PORT_AUI] = PORT_AUI, 974 [MLX5E_PORT_BNC] = PORT_BNC, 975 [MLX5E_PORT_MII] = PORT_MII, 976 [MLX5E_PORT_FIBRE] = PORT_FIBRE, 977 [MLX5E_PORT_DA] = PORT_DA, 978 [MLX5E_PORT_OTHER] = PORT_OTHER, 979 }; 980 981static u8 get_connector_port(struct mlx5_core_dev *mdev, u32 eth_proto, u8 connector_type) 982{ 983 if (MLX5_CAP_PCAM_FEATURE(mdev, ptys_connector_type)) 984 return ptys2connector_type[connector_type]; 985 986 if (eth_proto & 987 (MLX5E_PROT_MASK(MLX5E_10GBASE_SR) | 988 MLX5E_PROT_MASK(MLX5E_40GBASE_SR4) | 989 MLX5E_PROT_MASK(MLX5E_100GBASE_SR4) | 990 MLX5E_PROT_MASK(MLX5E_1000BASE_CX_SGMII))) { 991 return PORT_FIBRE; 992 } 993 994 if (eth_proto & 995 (MLX5E_PROT_MASK(MLX5E_40GBASE_CR4) | 996 MLX5E_PROT_MASK(MLX5E_10GBASE_CR) | 997 MLX5E_PROT_MASK(MLX5E_100GBASE_CR4))) { 998 return PORT_DA; 999 } 1000 1001 if (eth_proto & 1002 (MLX5E_PROT_MASK(MLX5E_10GBASE_KX4) | 1003 MLX5E_PROT_MASK(MLX5E_10GBASE_KR) | 1004 MLX5E_PROT_MASK(MLX5E_40GBASE_KR4) | 1005 MLX5E_PROT_MASK(MLX5E_100GBASE_KR4))) { 1006 return PORT_NONE; 1007 } 1008 1009 return PORT_OTHER; 1010} 1011 1012static void get_lp_advertising(struct mlx5_core_dev *mdev, u32 eth_proto_lp, 1013 struct ethtool_link_ksettings *link_ksettings) 1014{ 1015 unsigned long *lp_advertising = link_ksettings->link_modes.lp_advertising; 1016 bool ext = mlx5_ptys_ext_supported(mdev); 1017 1018 ptys2ethtool_adver_link(lp_advertising, eth_proto_lp, ext); 1019} 1020 1021int mlx5e_ethtool_get_link_ksettings(struct mlx5e_priv *priv, 1022 struct ethtool_link_ksettings *link_ksettings) 1023{ 1024 struct mlx5_core_dev *mdev = priv->mdev; 1025 u32 out[MLX5_ST_SZ_DW(ptys_reg)] = {}; 1026 u32 eth_proto_admin; 1027 u8 an_disable_admin; 1028 u16 data_rate_oper; 1029 u32 eth_proto_oper; 1030 u32 eth_proto_cap; 1031 u8 connector_type; 1032 u32 rx_pause = 0; 1033 u32 tx_pause = 0; 1034 u32 eth_proto_lp; 1035 bool admin_ext; 1036 u8 an_status; 1037 bool ext; 1038 int err; 1039 1040 err = mlx5_query_port_ptys(mdev, out, sizeof(out), MLX5_PTYS_EN, 1); 1041 if (err) { 1042 netdev_err(priv->netdev, "%s: query port ptys failed: %d\n", 1043 __func__, err); 1044 goto err_query_regs; 1045 } 1046 ext = !!MLX5_GET_ETH_PROTO(ptys_reg, out, true, eth_proto_capability); 1047 eth_proto_cap = MLX5_GET_ETH_PROTO(ptys_reg, out, ext, 1048 eth_proto_capability); 1049 eth_proto_admin = MLX5_GET_ETH_PROTO(ptys_reg, out, ext, 1050 eth_proto_admin); 1051 /* Fields: eth_proto_admin and ext_eth_proto_admin are 1052 * mutually exclusive. Hence try reading legacy advertising 1053 * when extended advertising is zero. 1054 * admin_ext indicates which proto_admin (ext vs. legacy) 1055 * should be read and interpreted 1056 */ 1057 admin_ext = ext; 1058 if (ext && !eth_proto_admin) { 1059 eth_proto_admin = MLX5_GET_ETH_PROTO(ptys_reg, out, false, 1060 eth_proto_admin); 1061 admin_ext = false; 1062 } 1063 1064 eth_proto_oper = MLX5_GET_ETH_PROTO(ptys_reg, out, admin_ext, 1065 eth_proto_oper); 1066 eth_proto_lp = MLX5_GET(ptys_reg, out, eth_proto_lp_advertise); 1067 an_disable_admin = MLX5_GET(ptys_reg, out, an_disable_admin); 1068 an_status = MLX5_GET(ptys_reg, out, an_status); 1069 connector_type = MLX5_GET(ptys_reg, out, connector_type); 1070 data_rate_oper = MLX5_GET(ptys_reg, out, data_rate_oper); 1071 1072 mlx5_query_port_pause(mdev, &rx_pause, &tx_pause); 1073 1074 ethtool_link_ksettings_zero_link_mode(link_ksettings, supported); 1075 ethtool_link_ksettings_zero_link_mode(link_ksettings, advertising); 1076 1077 get_supported(mdev, eth_proto_cap, link_ksettings); 1078 get_advertising(eth_proto_admin, tx_pause, rx_pause, link_ksettings, 1079 admin_ext); 1080 get_speed_duplex(priv->netdev, eth_proto_oper, !admin_ext, 1081 data_rate_oper, link_ksettings); 1082 1083 eth_proto_oper = eth_proto_oper ? eth_proto_oper : eth_proto_cap; 1084 connector_type = connector_type < MLX5E_CONNECTOR_TYPE_NUMBER ? 1085 connector_type : MLX5E_PORT_UNKNOWN; 1086 link_ksettings->base.port = get_connector_port(mdev, eth_proto_oper, connector_type); 1087 ptys2ethtool_supported_advertised_port(mdev, link_ksettings, eth_proto_admin, 1088 connector_type); 1089 get_lp_advertising(mdev, eth_proto_lp, link_ksettings); 1090 1091 if (an_status == MLX5_AN_COMPLETE) 1092 ethtool_link_ksettings_add_link_mode(link_ksettings, 1093 lp_advertising, Autoneg); 1094 1095 link_ksettings->base.autoneg = an_disable_admin ? AUTONEG_DISABLE : 1096 AUTONEG_ENABLE; 1097 ethtool_link_ksettings_add_link_mode(link_ksettings, supported, 1098 Autoneg); 1099 1100 err = get_fec_supported_advertised(mdev, link_ksettings); 1101 if (err) { 1102 netdev_dbg(priv->netdev, "%s: FEC caps query failed: %d\n", 1103 __func__, err); 1104 err = 0; /* don't fail caps query because of FEC error */ 1105 } 1106 1107 if (!an_disable_admin) 1108 ethtool_link_ksettings_add_link_mode(link_ksettings, 1109 advertising, Autoneg); 1110 1111err_query_regs: 1112 return err; 1113} 1114 1115static int mlx5e_get_link_ksettings(struct net_device *netdev, 1116 struct ethtool_link_ksettings *link_ksettings) 1117{ 1118 struct mlx5e_priv *priv = netdev_priv(netdev); 1119 1120 return mlx5e_ethtool_get_link_ksettings(priv, link_ksettings); 1121} 1122 1123static int mlx5e_speed_validate(struct net_device *netdev, bool ext, 1124 const unsigned long link_modes, u8 autoneg) 1125{ 1126 /* Extended link-mode has no speed limitations. */ 1127 if (ext) 1128 return 0; 1129 1130 if ((link_modes & MLX5E_PROT_MASK(MLX5E_56GBASE_R4)) && 1131 autoneg != AUTONEG_ENABLE) { 1132 netdev_err(netdev, "%s: 56G link speed requires autoneg enabled\n", 1133 __func__); 1134 return -EINVAL; 1135 } 1136 return 0; 1137} 1138 1139static u32 mlx5e_ethtool2ptys_adver_link(const unsigned long *link_modes) 1140{ 1141 u32 i, ptys_modes = 0; 1142 1143 for (i = 0; i < MLX5E_LINK_MODES_NUMBER; ++i) { 1144 if (*ptys2legacy_ethtool_table[i].advertised == 0) 1145 continue; 1146 if (bitmap_intersects(ptys2legacy_ethtool_table[i].advertised, 1147 link_modes, 1148 __ETHTOOL_LINK_MODE_MASK_NBITS)) 1149 ptys_modes |= MLX5E_PROT_MASK(i); 1150 } 1151 1152 return ptys_modes; 1153} 1154 1155static u32 mlx5e_ethtool2ptys_ext_adver_link(const unsigned long *link_modes) 1156{ 1157 u32 i, ptys_modes = 0; 1158 unsigned long modes[2]; 1159 1160 for (i = 0; i < MLX5E_EXT_LINK_MODES_NUMBER; ++i) { 1161 if (ptys2ext_ethtool_table[i].advertised[0] == 0 && 1162 ptys2ext_ethtool_table[i].advertised[1] == 0) 1163 continue; 1164 memset(modes, 0, sizeof(modes)); 1165 bitmap_and(modes, ptys2ext_ethtool_table[i].advertised, 1166 link_modes, __ETHTOOL_LINK_MODE_MASK_NBITS); 1167 1168 if (modes[0] == ptys2ext_ethtool_table[i].advertised[0] && 1169 modes[1] == ptys2ext_ethtool_table[i].advertised[1]) 1170 ptys_modes |= MLX5E_PROT_MASK(i); 1171 } 1172 return ptys_modes; 1173} 1174 1175static bool ext_link_mode_requested(const unsigned long *adver) 1176{ 1177#define MLX5E_MIN_PTYS_EXT_LINK_MODE_BIT ETHTOOL_LINK_MODE_50000baseKR_Full_BIT 1178 int size = __ETHTOOL_LINK_MODE_MASK_NBITS - MLX5E_MIN_PTYS_EXT_LINK_MODE_BIT; 1179 __ETHTOOL_DECLARE_LINK_MODE_MASK(modes) = {0,}; 1180 1181 bitmap_set(modes, MLX5E_MIN_PTYS_EXT_LINK_MODE_BIT, size); 1182 return bitmap_intersects(modes, adver, __ETHTOOL_LINK_MODE_MASK_NBITS); 1183} 1184 1185static bool ext_requested(u8 autoneg, const unsigned long *adver, bool ext_supported) 1186{ 1187 bool ext_link_mode = ext_link_mode_requested(adver); 1188 1189 return autoneg == AUTONEG_ENABLE ? ext_link_mode : ext_supported; 1190} 1191 1192int mlx5e_ethtool_set_link_ksettings(struct mlx5e_priv *priv, 1193 const struct ethtool_link_ksettings *link_ksettings) 1194{ 1195 struct mlx5_core_dev *mdev = priv->mdev; 1196 struct mlx5_port_eth_proto eproto; 1197 const unsigned long *adver; 1198 bool an_changes = false; 1199 u8 an_disable_admin; 1200 bool ext_supported; 1201 u8 an_disable_cap; 1202 bool an_disable; 1203 u32 link_modes; 1204 u8 an_status; 1205 u8 autoneg; 1206 u32 speed; 1207 bool ext; 1208 int err; 1209 1210 u32 (*ethtool2ptys_adver_func)(const unsigned long *adver); 1211 1212 adver = link_ksettings->link_modes.advertising; 1213 autoneg = link_ksettings->base.autoneg; 1214 speed = link_ksettings->base.speed; 1215 1216 ext_supported = mlx5_ptys_ext_supported(mdev); 1217 ext = ext_requested(autoneg, adver, ext_supported); 1218 if (!ext_supported && ext) 1219 return -EOPNOTSUPP; 1220 1221 ethtool2ptys_adver_func = ext ? mlx5e_ethtool2ptys_ext_adver_link : 1222 mlx5e_ethtool2ptys_adver_link; 1223 err = mlx5_port_query_eth_proto(mdev, 1, ext, &eproto); 1224 if (err) { 1225 netdev_err(priv->netdev, "%s: query port eth proto failed: %d\n", 1226 __func__, err); 1227 goto out; 1228 } 1229 link_modes = autoneg == AUTONEG_ENABLE ? ethtool2ptys_adver_func(adver) : 1230 mlx5_port_speed2linkmodes(mdev, speed, !ext); 1231 1232 err = mlx5e_speed_validate(priv->netdev, ext, link_modes, autoneg); 1233 if (err) 1234 goto out; 1235 1236 link_modes = link_modes & eproto.cap; 1237 if (!link_modes) { 1238 netdev_err(priv->netdev, "%s: Not supported link mode(s) requested", 1239 __func__); 1240 err = -EINVAL; 1241 goto out; 1242 } 1243 1244 mlx5_port_query_eth_autoneg(mdev, &an_status, &an_disable_cap, 1245 &an_disable_admin); 1246 1247 an_disable = autoneg == AUTONEG_DISABLE; 1248 an_changes = ((!an_disable && an_disable_admin) || 1249 (an_disable && !an_disable_admin)); 1250 1251 if (!an_changes && link_modes == eproto.admin) 1252 goto out; 1253 1254 mlx5_port_set_eth_ptys(mdev, an_disable, link_modes, ext); 1255 mlx5_toggle_port_link(mdev); 1256 1257out: 1258 return err; 1259} 1260 1261static int mlx5e_set_link_ksettings(struct net_device *netdev, 1262 const struct ethtool_link_ksettings *link_ksettings) 1263{ 1264 struct mlx5e_priv *priv = netdev_priv(netdev); 1265 1266 return mlx5e_ethtool_set_link_ksettings(priv, link_ksettings); 1267} 1268 1269u32 mlx5e_ethtool_get_rxfh_key_size(struct mlx5e_priv *priv) 1270{ 1271 return sizeof_field(struct mlx5e_rss_params_hash, toeplitz_hash_key); 1272} 1273 1274static u32 mlx5e_get_rxfh_key_size(struct net_device *netdev) 1275{ 1276 struct mlx5e_priv *priv = netdev_priv(netdev); 1277 1278 return mlx5e_ethtool_get_rxfh_key_size(priv); 1279} 1280 1281u32 mlx5e_ethtool_get_rxfh_indir_size(struct mlx5e_priv *priv) 1282{ 1283 return mlx5e_rqt_size(priv->mdev, priv->channels.params.num_channels); 1284} 1285 1286static u32 mlx5e_get_rxfh_indir_size(struct net_device *netdev) 1287{ 1288 struct mlx5e_priv *priv = netdev_priv(netdev); 1289 1290 return mlx5e_ethtool_get_rxfh_indir_size(priv); 1291} 1292 1293int mlx5e_get_rxfh(struct net_device *netdev, struct ethtool_rxfh_param *rxfh) 1294{ 1295 struct mlx5e_priv *priv = netdev_priv(netdev); 1296 u32 rss_context = rxfh->rss_context; 1297 int err; 1298 1299 mutex_lock(&priv->state_lock); 1300 err = mlx5e_rx_res_rss_get_rxfh(priv->rx_res, rss_context, 1301 rxfh->indir, rxfh->key, &rxfh->hfunc); 1302 mutex_unlock(&priv->state_lock); 1303 return err; 1304} 1305 1306int mlx5e_set_rxfh(struct net_device *dev, struct ethtool_rxfh_param *rxfh, 1307 struct netlink_ext_ack *extack) 1308{ 1309 struct mlx5e_priv *priv = netdev_priv(dev); 1310 u32 *rss_context = &rxfh->rss_context; 1311 u8 hfunc = rxfh->hfunc; 1312 unsigned int count; 1313 int err; 1314 1315 mutex_lock(&priv->state_lock); 1316 1317 count = priv->channels.params.num_channels; 1318 1319 if (hfunc == ETH_RSS_HASH_XOR) { 1320 unsigned int xor8_max_channels = mlx5e_rqt_max_num_channels_allowed_for_xor8(); 1321 1322 if (count > xor8_max_channels) { 1323 err = -EINVAL; 1324 netdev_err(priv->netdev, "%s: Cannot set RSS hash function to XOR, current number of channels (%d) exceeds the maximum allowed for XOR8 RSS hfunc (%d)\n", 1325 __func__, count, xor8_max_channels); 1326 goto unlock; 1327 } 1328 } 1329 1330 if (*rss_context && rxfh->rss_delete) { 1331 err = mlx5e_rx_res_rss_destroy(priv->rx_res, *rss_context); 1332 goto unlock; 1333 } 1334 1335 if (*rss_context == ETH_RXFH_CONTEXT_ALLOC) { 1336 err = mlx5e_rx_res_rss_init(priv->rx_res, rss_context, count); 1337 if (err) 1338 goto unlock; 1339 } 1340 1341 err = mlx5e_rx_res_rss_set_rxfh(priv->rx_res, *rss_context, 1342 rxfh->indir, rxfh->key, 1343 hfunc == ETH_RSS_HASH_NO_CHANGE ? NULL : &hfunc); 1344 1345unlock: 1346 mutex_unlock(&priv->state_lock); 1347 return err; 1348} 1349 1350#define MLX5E_PFC_PREVEN_AUTO_TOUT_MSEC 100 1351#define MLX5E_PFC_PREVEN_TOUT_MAX_MSEC 8000 1352#define MLX5E_PFC_PREVEN_MINOR_PRECENT 85 1353#define MLX5E_PFC_PREVEN_TOUT_MIN_MSEC 80 1354#define MLX5E_DEVICE_STALL_MINOR_WATERMARK(critical_tout) \ 1355 max_t(u16, MLX5E_PFC_PREVEN_TOUT_MIN_MSEC, \ 1356 (critical_tout * MLX5E_PFC_PREVEN_MINOR_PRECENT) / 100) 1357 1358static int mlx5e_get_pfc_prevention_tout(struct net_device *netdev, 1359 u16 *pfc_prevention_tout) 1360{ 1361 struct mlx5e_priv *priv = netdev_priv(netdev); 1362 struct mlx5_core_dev *mdev = priv->mdev; 1363 1364 if (!MLX5_CAP_PCAM_FEATURE((priv)->mdev, pfcc_mask) || 1365 !MLX5_CAP_DEBUG((priv)->mdev, stall_detect)) 1366 return -EOPNOTSUPP; 1367 1368 return mlx5_query_port_stall_watermark(mdev, pfc_prevention_tout, NULL); 1369} 1370 1371static int mlx5e_set_pfc_prevention_tout(struct net_device *netdev, 1372 u16 pfc_preven) 1373{ 1374 struct mlx5e_priv *priv = netdev_priv(netdev); 1375 struct mlx5_core_dev *mdev = priv->mdev; 1376 u16 critical_tout; 1377 u16 minor; 1378 1379 if (!MLX5_CAP_PCAM_FEATURE((priv)->mdev, pfcc_mask) || 1380 !MLX5_CAP_DEBUG((priv)->mdev, stall_detect)) 1381 return -EOPNOTSUPP; 1382 1383 critical_tout = (pfc_preven == PFC_STORM_PREVENTION_AUTO) ? 1384 MLX5E_PFC_PREVEN_AUTO_TOUT_MSEC : 1385 pfc_preven; 1386 1387 if (critical_tout != PFC_STORM_PREVENTION_DISABLE && 1388 (critical_tout > MLX5E_PFC_PREVEN_TOUT_MAX_MSEC || 1389 critical_tout < MLX5E_PFC_PREVEN_TOUT_MIN_MSEC)) { 1390 netdev_info(netdev, "%s: pfc prevention tout not in range (%d-%d)\n", 1391 __func__, MLX5E_PFC_PREVEN_TOUT_MIN_MSEC, 1392 MLX5E_PFC_PREVEN_TOUT_MAX_MSEC); 1393 return -EINVAL; 1394 } 1395 1396 minor = MLX5E_DEVICE_STALL_MINOR_WATERMARK(critical_tout); 1397 return mlx5_set_port_stall_watermark(mdev, critical_tout, 1398 minor); 1399} 1400 1401static int mlx5e_get_tunable(struct net_device *dev, 1402 const struct ethtool_tunable *tuna, 1403 void *data) 1404{ 1405 int err; 1406 1407 switch (tuna->id) { 1408 case ETHTOOL_PFC_PREVENTION_TOUT: 1409 err = mlx5e_get_pfc_prevention_tout(dev, data); 1410 break; 1411 default: 1412 err = -EINVAL; 1413 break; 1414 } 1415 1416 return err; 1417} 1418 1419static int mlx5e_set_tunable(struct net_device *dev, 1420 const struct ethtool_tunable *tuna, 1421 const void *data) 1422{ 1423 struct mlx5e_priv *priv = netdev_priv(dev); 1424 int err; 1425 1426 mutex_lock(&priv->state_lock); 1427 1428 switch (tuna->id) { 1429 case ETHTOOL_PFC_PREVENTION_TOUT: 1430 err = mlx5e_set_pfc_prevention_tout(dev, *(u16 *)data); 1431 break; 1432 default: 1433 err = -EINVAL; 1434 break; 1435 } 1436 1437 mutex_unlock(&priv->state_lock); 1438 return err; 1439} 1440 1441static void mlx5e_get_pause_stats(struct net_device *netdev, 1442 struct ethtool_pause_stats *pause_stats) 1443{ 1444 struct mlx5e_priv *priv = netdev_priv(netdev); 1445 1446 mlx5e_stats_pause_get(priv, pause_stats); 1447} 1448 1449void mlx5e_ethtool_get_pauseparam(struct mlx5e_priv *priv, 1450 struct ethtool_pauseparam *pauseparam) 1451{ 1452 struct mlx5_core_dev *mdev = priv->mdev; 1453 int err; 1454 1455 err = mlx5_query_port_pause(mdev, &pauseparam->rx_pause, 1456 &pauseparam->tx_pause); 1457 if (err) { 1458 netdev_err(priv->netdev, "%s: mlx5_query_port_pause failed:0x%x\n", 1459 __func__, err); 1460 } 1461} 1462 1463static void mlx5e_get_pauseparam(struct net_device *netdev, 1464 struct ethtool_pauseparam *pauseparam) 1465{ 1466 struct mlx5e_priv *priv = netdev_priv(netdev); 1467 1468 mlx5e_ethtool_get_pauseparam(priv, pauseparam); 1469} 1470 1471int mlx5e_ethtool_set_pauseparam(struct mlx5e_priv *priv, 1472 struct ethtool_pauseparam *pauseparam) 1473{ 1474 struct mlx5_core_dev *mdev = priv->mdev; 1475 int err; 1476 1477 if (!MLX5_CAP_GEN(mdev, vport_group_manager)) 1478 return -EOPNOTSUPP; 1479 1480 if (pauseparam->autoneg) 1481 return -EINVAL; 1482 1483 err = mlx5_set_port_pause(mdev, 1484 pauseparam->rx_pause ? 1 : 0, 1485 pauseparam->tx_pause ? 1 : 0); 1486 if (err) { 1487 netdev_err(priv->netdev, "%s: mlx5_set_port_pause failed:0x%x\n", 1488 __func__, err); 1489 } 1490 1491 return err; 1492} 1493 1494static int mlx5e_set_pauseparam(struct net_device *netdev, 1495 struct ethtool_pauseparam *pauseparam) 1496{ 1497 struct mlx5e_priv *priv = netdev_priv(netdev); 1498 1499 return mlx5e_ethtool_set_pauseparam(priv, pauseparam); 1500} 1501 1502int mlx5e_ethtool_get_ts_info(struct mlx5e_priv *priv, 1503 struct ethtool_ts_info *info) 1504{ 1505 struct mlx5_core_dev *mdev = priv->mdev; 1506 1507 info->phc_index = mlx5_clock_get_ptp_index(mdev); 1508 1509 if (!MLX5_CAP_GEN(priv->mdev, device_frequency_khz) || 1510 info->phc_index == -1) 1511 return 0; 1512 1513 info->so_timestamping = SOF_TIMESTAMPING_TX_HARDWARE | 1514 SOF_TIMESTAMPING_RX_HARDWARE | 1515 SOF_TIMESTAMPING_RAW_HARDWARE; 1516 1517 info->tx_types = BIT(HWTSTAMP_TX_OFF) | 1518 BIT(HWTSTAMP_TX_ON); 1519 1520 info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) | 1521 BIT(HWTSTAMP_FILTER_ALL); 1522 1523 return 0; 1524} 1525 1526static int mlx5e_get_ts_info(struct net_device *dev, 1527 struct ethtool_ts_info *info) 1528{ 1529 struct mlx5e_priv *priv = netdev_priv(dev); 1530 1531 return mlx5e_ethtool_get_ts_info(priv, info); 1532} 1533 1534static __u32 mlx5e_get_wol_supported(struct mlx5_core_dev *mdev) 1535{ 1536 __u32 ret = 0; 1537 1538 if (MLX5_CAP_GEN(mdev, wol_g)) 1539 ret |= WAKE_MAGIC; 1540 1541 if (MLX5_CAP_GEN(mdev, wol_s)) 1542 ret |= WAKE_MAGICSECURE; 1543 1544 if (MLX5_CAP_GEN(mdev, wol_a)) 1545 ret |= WAKE_ARP; 1546 1547 if (MLX5_CAP_GEN(mdev, wol_b)) 1548 ret |= WAKE_BCAST; 1549 1550 if (MLX5_CAP_GEN(mdev, wol_m)) 1551 ret |= WAKE_MCAST; 1552 1553 if (MLX5_CAP_GEN(mdev, wol_u)) 1554 ret |= WAKE_UCAST; 1555 1556 if (MLX5_CAP_GEN(mdev, wol_p)) 1557 ret |= WAKE_PHY; 1558 1559 return ret; 1560} 1561 1562static __u32 mlx5e_reformat_wol_mode_mlx5_to_linux(u8 mode) 1563{ 1564 __u32 ret = 0; 1565 1566 if (mode & MLX5_WOL_MAGIC) 1567 ret |= WAKE_MAGIC; 1568 1569 if (mode & MLX5_WOL_SECURED_MAGIC) 1570 ret |= WAKE_MAGICSECURE; 1571 1572 if (mode & MLX5_WOL_ARP) 1573 ret |= WAKE_ARP; 1574 1575 if (mode & MLX5_WOL_BROADCAST) 1576 ret |= WAKE_BCAST; 1577 1578 if (mode & MLX5_WOL_MULTICAST) 1579 ret |= WAKE_MCAST; 1580 1581 if (mode & MLX5_WOL_UNICAST) 1582 ret |= WAKE_UCAST; 1583 1584 if (mode & MLX5_WOL_PHY_ACTIVITY) 1585 ret |= WAKE_PHY; 1586 1587 return ret; 1588} 1589 1590static u8 mlx5e_reformat_wol_mode_linux_to_mlx5(__u32 mode) 1591{ 1592 u8 ret = 0; 1593 1594 if (mode & WAKE_MAGIC) 1595 ret |= MLX5_WOL_MAGIC; 1596 1597 if (mode & WAKE_MAGICSECURE) 1598 ret |= MLX5_WOL_SECURED_MAGIC; 1599 1600 if (mode & WAKE_ARP) 1601 ret |= MLX5_WOL_ARP; 1602 1603 if (mode & WAKE_BCAST) 1604 ret |= MLX5_WOL_BROADCAST; 1605 1606 if (mode & WAKE_MCAST) 1607 ret |= MLX5_WOL_MULTICAST; 1608 1609 if (mode & WAKE_UCAST) 1610 ret |= MLX5_WOL_UNICAST; 1611 1612 if (mode & WAKE_PHY) 1613 ret |= MLX5_WOL_PHY_ACTIVITY; 1614 1615 return ret; 1616} 1617 1618static void mlx5e_get_wol(struct net_device *netdev, 1619 struct ethtool_wolinfo *wol) 1620{ 1621 struct mlx5e_priv *priv = netdev_priv(netdev); 1622 struct mlx5_core_dev *mdev = priv->mdev; 1623 u8 mlx5_wol_mode; 1624 int err; 1625 1626 memset(wol, 0, sizeof(*wol)); 1627 1628 wol->supported = mlx5e_get_wol_supported(mdev); 1629 if (!wol->supported) 1630 return; 1631 1632 err = mlx5_query_port_wol(mdev, &mlx5_wol_mode); 1633 if (err) 1634 return; 1635 1636 wol->wolopts = mlx5e_reformat_wol_mode_mlx5_to_linux(mlx5_wol_mode); 1637} 1638 1639static int mlx5e_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 1640{ 1641 struct mlx5e_priv *priv = netdev_priv(netdev); 1642 struct mlx5_core_dev *mdev = priv->mdev; 1643 __u32 wol_supported = mlx5e_get_wol_supported(mdev); 1644 u32 mlx5_wol_mode; 1645 1646 if (!wol_supported) 1647 return -EOPNOTSUPP; 1648 1649 if (wol->wolopts & ~wol_supported) 1650 return -EINVAL; 1651 1652 mlx5_wol_mode = mlx5e_reformat_wol_mode_linux_to_mlx5(wol->wolopts); 1653 1654 return mlx5_set_port_wol(mdev, mlx5_wol_mode); 1655} 1656 1657static void mlx5e_get_fec_stats(struct net_device *netdev, 1658 struct ethtool_fec_stats *fec_stats) 1659{ 1660 struct mlx5e_priv *priv = netdev_priv(netdev); 1661 1662 mlx5e_stats_fec_get(priv, fec_stats); 1663} 1664 1665static int mlx5e_get_fecparam(struct net_device *netdev, 1666 struct ethtool_fecparam *fecparam) 1667{ 1668 struct mlx5e_priv *priv = netdev_priv(netdev); 1669 struct mlx5_core_dev *mdev = priv->mdev; 1670 u16 fec_configured; 1671 u32 fec_active; 1672 int err; 1673 1674 err = mlx5e_get_fec_mode(mdev, &fec_active, &fec_configured); 1675 1676 if (err) 1677 return err; 1678 1679 fecparam->active_fec = pplm2ethtool_fec((unsigned long)fec_active, 1680 sizeof(unsigned long) * BITS_PER_BYTE); 1681 1682 if (!fecparam->active_fec) 1683 return -EOPNOTSUPP; 1684 1685 fecparam->fec = pplm2ethtool_fec((unsigned long)fec_configured, 1686 sizeof(unsigned long) * BITS_PER_BYTE); 1687 1688 return 0; 1689} 1690 1691static int mlx5e_set_fecparam(struct net_device *netdev, 1692 struct ethtool_fecparam *fecparam) 1693{ 1694 struct mlx5e_priv *priv = netdev_priv(netdev); 1695 struct mlx5_core_dev *mdev = priv->mdev; 1696 unsigned long fec_bitmap; 1697 u16 fec_policy = 0; 1698 int mode; 1699 int err; 1700 1701 bitmap_from_arr32(&fec_bitmap, &fecparam->fec, sizeof(fecparam->fec) * BITS_PER_BYTE); 1702 if (bitmap_weight(&fec_bitmap, ETHTOOL_FEC_LLRS_BIT + 1) > 1) 1703 return -EOPNOTSUPP; 1704 1705 for (mode = 0; mode < ARRAY_SIZE(pplm_fec_2_ethtool); mode++) { 1706 if (!(pplm_fec_2_ethtool[mode] & fecparam->fec)) 1707 continue; 1708 fec_policy |= (1 << mode); 1709 break; 1710 } 1711 1712 err = mlx5e_set_fec_mode(mdev, fec_policy); 1713 1714 if (err) 1715 return err; 1716 1717 mlx5_toggle_port_link(mdev); 1718 1719 return 0; 1720} 1721 1722static int mlx5e_set_phys_id(struct net_device *dev, 1723 enum ethtool_phys_id_state state) 1724{ 1725 struct mlx5e_priv *priv = netdev_priv(dev); 1726 struct mlx5_core_dev *mdev = priv->mdev; 1727 u16 beacon_duration; 1728 1729 if (!MLX5_CAP_GEN(mdev, beacon_led)) 1730 return -EOPNOTSUPP; 1731 1732 switch (state) { 1733 case ETHTOOL_ID_ACTIVE: 1734 beacon_duration = MLX5_BEACON_DURATION_INF; 1735 break; 1736 case ETHTOOL_ID_INACTIVE: 1737 beacon_duration = MLX5_BEACON_DURATION_OFF; 1738 break; 1739 default: 1740 return -EOPNOTSUPP; 1741 } 1742 1743 return mlx5_set_port_beacon(mdev, beacon_duration); 1744} 1745 1746static int mlx5e_get_module_info(struct net_device *netdev, 1747 struct ethtool_modinfo *modinfo) 1748{ 1749 struct mlx5e_priv *priv = netdev_priv(netdev); 1750 struct mlx5_core_dev *dev = priv->mdev; 1751 int size_read = 0; 1752 u8 data[4] = {0}; 1753 1754 size_read = mlx5_query_module_eeprom(dev, 0, 2, data); 1755 if (size_read < 2) 1756 return -EIO; 1757 1758 /* data[0] = identifier byte */ 1759 switch (data[0]) { 1760 case MLX5_MODULE_ID_QSFP: 1761 modinfo->type = ETH_MODULE_SFF_8436; 1762 modinfo->eeprom_len = ETH_MODULE_SFF_8436_MAX_LEN; 1763 break; 1764 case MLX5_MODULE_ID_QSFP_PLUS: 1765 case MLX5_MODULE_ID_QSFP28: 1766 /* data[1] = revision id */ 1767 if (data[0] == MLX5_MODULE_ID_QSFP28 || data[1] >= 0x3) { 1768 modinfo->type = ETH_MODULE_SFF_8636; 1769 modinfo->eeprom_len = ETH_MODULE_SFF_8636_MAX_LEN; 1770 } else { 1771 modinfo->type = ETH_MODULE_SFF_8436; 1772 modinfo->eeprom_len = ETH_MODULE_SFF_8436_MAX_LEN; 1773 } 1774 break; 1775 case MLX5_MODULE_ID_SFP: 1776 modinfo->type = ETH_MODULE_SFF_8472; 1777 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN; 1778 break; 1779 default: 1780 netdev_err(priv->netdev, "%s: cable type not recognized:0x%x\n", 1781 __func__, data[0]); 1782 return -EINVAL; 1783 } 1784 1785 return 0; 1786} 1787 1788static int mlx5e_get_module_eeprom(struct net_device *netdev, 1789 struct ethtool_eeprom *ee, 1790 u8 *data) 1791{ 1792 struct mlx5e_priv *priv = netdev_priv(netdev); 1793 struct mlx5_core_dev *mdev = priv->mdev; 1794 int offset = ee->offset; 1795 int size_read; 1796 int i = 0; 1797 1798 if (!ee->len) 1799 return -EINVAL; 1800 1801 memset(data, 0, ee->len); 1802 1803 while (i < ee->len) { 1804 size_read = mlx5_query_module_eeprom(mdev, offset, ee->len - i, 1805 data + i); 1806 1807 if (!size_read) 1808 /* Done reading */ 1809 return 0; 1810 1811 if (size_read < 0) { 1812 netdev_err(priv->netdev, "%s: mlx5_query_eeprom failed:0x%x\n", 1813 __func__, size_read); 1814 return size_read; 1815 } 1816 1817 i += size_read; 1818 offset += size_read; 1819 } 1820 1821 return 0; 1822} 1823 1824static int mlx5e_get_module_eeprom_by_page(struct net_device *netdev, 1825 const struct ethtool_module_eeprom *page_data, 1826 struct netlink_ext_ack *extack) 1827{ 1828 struct mlx5e_priv *priv = netdev_priv(netdev); 1829 struct mlx5_module_eeprom_query_params query; 1830 struct mlx5_core_dev *mdev = priv->mdev; 1831 u8 *data = page_data->data; 1832 int size_read; 1833 int i = 0; 1834 1835 if (!page_data->length) 1836 return -EINVAL; 1837 1838 memset(data, 0, page_data->length); 1839 1840 query.offset = page_data->offset; 1841 query.i2c_address = page_data->i2c_address; 1842 query.bank = page_data->bank; 1843 query.page = page_data->page; 1844 while (i < page_data->length) { 1845 query.size = page_data->length - i; 1846 size_read = mlx5_query_module_eeprom_by_page(mdev, &query, data + i); 1847 1848 /* Done reading, return how many bytes was read */ 1849 if (!size_read) 1850 return i; 1851 1852 if (size_read == -EINVAL) 1853 return -EINVAL; 1854 if (size_read < 0) { 1855 netdev_err(priv->netdev, "%s: mlx5_query_module_eeprom_by_page failed:0x%x\n", 1856 __func__, size_read); 1857 return i; 1858 } 1859 1860 i += size_read; 1861 query.offset += size_read; 1862 } 1863 1864 return i; 1865} 1866 1867int mlx5e_ethtool_flash_device(struct mlx5e_priv *priv, 1868 struct ethtool_flash *flash) 1869{ 1870 struct mlx5_core_dev *mdev = priv->mdev; 1871 struct net_device *dev = priv->netdev; 1872 const struct firmware *fw; 1873 int err; 1874 1875 if (flash->region != ETHTOOL_FLASH_ALL_REGIONS) 1876 return -EOPNOTSUPP; 1877 1878 err = request_firmware_direct(&fw, flash->data, &dev->dev); 1879 if (err) 1880 return err; 1881 1882 dev_hold(dev); 1883 rtnl_unlock(); 1884 1885 err = mlx5_firmware_flash(mdev, fw, NULL); 1886 release_firmware(fw); 1887 1888 rtnl_lock(); 1889 dev_put(dev); 1890 return err; 1891} 1892 1893static int mlx5e_flash_device(struct net_device *dev, 1894 struct ethtool_flash *flash) 1895{ 1896 struct mlx5e_priv *priv = netdev_priv(dev); 1897 1898 return mlx5e_ethtool_flash_device(priv, flash); 1899} 1900 1901static int set_pflag_cqe_based_moder(struct net_device *netdev, bool enable, 1902 bool is_rx_cq) 1903{ 1904 struct mlx5e_priv *priv = netdev_priv(netdev); 1905 u8 cq_period_mode, current_cq_period_mode; 1906 struct mlx5e_params new_params; 1907 1908 if (enable && !MLX5_CAP_GEN(priv->mdev, cq_period_start_from_cqe)) 1909 return -EOPNOTSUPP; 1910 1911 cq_period_mode = cqe_mode_to_period_mode(enable); 1912 1913 current_cq_period_mode = is_rx_cq ? 1914 priv->channels.params.rx_cq_moderation.cq_period_mode : 1915 priv->channels.params.tx_cq_moderation.cq_period_mode; 1916 1917 if (cq_period_mode == current_cq_period_mode) 1918 return 0; 1919 1920 new_params = priv->channels.params; 1921 if (is_rx_cq) 1922 mlx5e_set_rx_cq_mode_params(&new_params, cq_period_mode); 1923 else 1924 mlx5e_set_tx_cq_mode_params(&new_params, cq_period_mode); 1925 1926 return mlx5e_safe_switch_params(priv, &new_params, NULL, NULL, true); 1927} 1928 1929static int set_pflag_tx_cqe_based_moder(struct net_device *netdev, bool enable) 1930{ 1931 return set_pflag_cqe_based_moder(netdev, enable, false); 1932} 1933 1934static int set_pflag_rx_cqe_based_moder(struct net_device *netdev, bool enable) 1935{ 1936 return set_pflag_cqe_based_moder(netdev, enable, true); 1937} 1938 1939int mlx5e_modify_rx_cqe_compression_locked(struct mlx5e_priv *priv, bool new_val, bool rx_filter) 1940{ 1941 bool curr_val = MLX5E_GET_PFLAG(&priv->channels.params, MLX5E_PFLAG_RX_CQE_COMPRESS); 1942 struct mlx5e_params new_params; 1943 int err = 0; 1944 1945 if (!MLX5_CAP_GEN(priv->mdev, cqe_compression)) 1946 return new_val ? -EOPNOTSUPP : 0; 1947 1948 if (curr_val == new_val) 1949 return 0; 1950 1951 if (new_val && !mlx5e_profile_feature_cap(priv->profile, PTP_RX) && rx_filter) { 1952 netdev_err(priv->netdev, 1953 "Profile doesn't support enabling of CQE compression while hardware time-stamping is enabled.\n"); 1954 return -EINVAL; 1955 } 1956 1957 if (priv->channels.params.packet_merge.type == MLX5E_PACKET_MERGE_SHAMPO) { 1958 netdev_warn(priv->netdev, "Can't set CQE compression with HW-GRO, disable it first.\n"); 1959 return -EINVAL; 1960 } 1961 1962 new_params = priv->channels.params; 1963 MLX5E_SET_PFLAG(&new_params, MLX5E_PFLAG_RX_CQE_COMPRESS, new_val); 1964 if (rx_filter) 1965 new_params.ptp_rx = new_val; 1966 1967 if (new_params.ptp_rx == priv->channels.params.ptp_rx) 1968 err = mlx5e_safe_switch_params(priv, &new_params, NULL, NULL, true); 1969 else 1970 err = mlx5e_safe_switch_params(priv, &new_params, mlx5e_ptp_rx_manage_fs_ctx, 1971 &new_params.ptp_rx, true); 1972 if (err) 1973 return err; 1974 1975 netdev_dbg(priv->netdev, "MLX5E: RxCqeCmprss was turned %s\n", 1976 MLX5E_GET_PFLAG(&priv->channels.params, 1977 MLX5E_PFLAG_RX_CQE_COMPRESS) ? "ON" : "OFF"); 1978 1979 return 0; 1980} 1981 1982static int set_pflag_rx_cqe_compress(struct net_device *netdev, 1983 bool enable) 1984{ 1985 struct mlx5e_priv *priv = netdev_priv(netdev); 1986 struct mlx5_core_dev *mdev = priv->mdev; 1987 bool rx_filter; 1988 int err; 1989 1990 if (!MLX5_CAP_GEN(mdev, cqe_compression)) 1991 return -EOPNOTSUPP; 1992 1993 rx_filter = priv->tstamp.rx_filter != HWTSTAMP_FILTER_NONE; 1994 err = mlx5e_modify_rx_cqe_compression_locked(priv, enable, rx_filter); 1995 if (err) 1996 return err; 1997 1998 priv->channels.params.rx_cqe_compress_def = enable; 1999 2000 return 0; 2001} 2002 2003static int set_pflag_rx_striding_rq(struct net_device *netdev, bool enable) 2004{ 2005 struct mlx5e_priv *priv = netdev_priv(netdev); 2006 struct mlx5_core_dev *mdev = priv->mdev; 2007 struct mlx5e_params new_params; 2008 int err; 2009 2010 if (enable) { 2011 /* Checking the regular RQ here; mlx5e_validate_xsk_param called 2012 * from mlx5e_open_xsk will check for each XSK queue, and 2013 * mlx5e_safe_switch_params will be reverted if any check fails. 2014 */ 2015 int err = mlx5e_mpwrq_validate_regular(mdev, &priv->channels.params); 2016 2017 if (err) 2018 return err; 2019 } else if (priv->channels.params.packet_merge.type != MLX5E_PACKET_MERGE_NONE) { 2020 netdev_warn(netdev, "Can't set legacy RQ with HW-GRO/LRO, disable them first\n"); 2021 return -EINVAL; 2022 } 2023 2024 new_params = priv->channels.params; 2025 2026 MLX5E_SET_PFLAG(&new_params, MLX5E_PFLAG_RX_STRIDING_RQ, enable); 2027 mlx5e_set_rq_type(mdev, &new_params); 2028 2029 err = mlx5e_safe_switch_params(priv, &new_params, NULL, NULL, true); 2030 if (err) 2031 return err; 2032 2033 /* update XDP supported features */ 2034 mlx5e_set_xdp_feature(netdev); 2035 2036 return 0; 2037} 2038 2039static int set_pflag_rx_no_csum_complete(struct net_device *netdev, bool enable) 2040{ 2041 struct mlx5e_priv *priv = netdev_priv(netdev); 2042 struct mlx5e_channels *channels = &priv->channels; 2043 struct mlx5e_channel *c; 2044 int i; 2045 2046 if (!test_bit(MLX5E_STATE_OPENED, &priv->state) || 2047 priv->channels.params.xdp_prog) 2048 return 0; 2049 2050 for (i = 0; i < channels->num; i++) { 2051 c = channels->c[i]; 2052 if (enable) 2053 __set_bit(MLX5E_RQ_STATE_NO_CSUM_COMPLETE, &c->rq.state); 2054 else 2055 __clear_bit(MLX5E_RQ_STATE_NO_CSUM_COMPLETE, &c->rq.state); 2056 } 2057 2058 return 0; 2059} 2060 2061static int set_pflag_tx_mpwqe_common(struct net_device *netdev, u32 flag, bool enable) 2062{ 2063 struct mlx5e_priv *priv = netdev_priv(netdev); 2064 struct mlx5_core_dev *mdev = priv->mdev; 2065 struct mlx5e_params new_params; 2066 2067 if (enable && !mlx5e_tx_mpwqe_supported(mdev)) 2068 return -EOPNOTSUPP; 2069 2070 new_params = priv->channels.params; 2071 2072 MLX5E_SET_PFLAG(&new_params, flag, enable); 2073 2074 return mlx5e_safe_switch_params(priv, &new_params, NULL, NULL, true); 2075} 2076 2077static int set_pflag_xdp_tx_mpwqe(struct net_device *netdev, bool enable) 2078{ 2079 return set_pflag_tx_mpwqe_common(netdev, MLX5E_PFLAG_XDP_TX_MPWQE, enable); 2080} 2081 2082static int set_pflag_skb_tx_mpwqe(struct net_device *netdev, bool enable) 2083{ 2084 return set_pflag_tx_mpwqe_common(netdev, MLX5E_PFLAG_SKB_TX_MPWQE, enable); 2085} 2086 2087static int set_pflag_tx_port_ts(struct net_device *netdev, bool enable) 2088{ 2089 struct mlx5e_priv *priv = netdev_priv(netdev); 2090 struct mlx5_core_dev *mdev = priv->mdev; 2091 struct mlx5e_params new_params; 2092 int err; 2093 2094 if (!MLX5_CAP_GEN(mdev, ts_cqe_to_dest_cqn) || 2095 !MLX5_CAP_GEN_2(mdev, ts_cqe_metadata_size2wqe_counter)) 2096 return -EOPNOTSUPP; 2097 2098 /* Don't allow changing the PTP state if HTB offload is active, because 2099 * the numeration of the QoS SQs will change, while per-queue qdiscs are 2100 * attached. 2101 */ 2102 if (mlx5e_selq_is_htb_enabled(&priv->selq)) { 2103 netdev_err(priv->netdev, "%s: HTB offload is active, cannot change the PTP state\n", 2104 __func__); 2105 return -EINVAL; 2106 } 2107 2108 new_params = priv->channels.params; 2109 /* Don't allow enabling TX-port-TS if MQPRIO mode channel offload is 2110 * active, since it defines explicitly which TC accepts the packet. 2111 * This conflicts with TX-port-TS hijacking the PTP traffic to a specific 2112 * HW TX-queue. 2113 */ 2114 if (enable && new_params.mqprio.mode == TC_MQPRIO_MODE_CHANNEL) { 2115 netdev_err(priv->netdev, 2116 "%s: MQPRIO mode channel offload is active, cannot set the TX-port-TS\n", 2117 __func__); 2118 return -EINVAL; 2119 } 2120 MLX5E_SET_PFLAG(&new_params, MLX5E_PFLAG_TX_PORT_TS, enable); 2121 /* No need to verify SQ stop room as 2122 * ptpsq.txqsq.stop_room <= generic_sq->stop_room, and both 2123 * has the same log_sq_size. 2124 */ 2125 2126 err = mlx5e_safe_switch_params(priv, &new_params, 2127 mlx5e_num_channels_changed_ctx, NULL, true); 2128 if (!err) 2129 priv->tx_ptp_opened = true; 2130 2131 return err; 2132} 2133 2134static const struct pflag_desc mlx5e_priv_flags[MLX5E_NUM_PFLAGS] = { 2135 { "rx_cqe_moder", set_pflag_rx_cqe_based_moder }, 2136 { "tx_cqe_moder", set_pflag_tx_cqe_based_moder }, 2137 { "rx_cqe_compress", set_pflag_rx_cqe_compress }, 2138 { "rx_striding_rq", set_pflag_rx_striding_rq }, 2139 { "rx_no_csum_complete", set_pflag_rx_no_csum_complete }, 2140 { "xdp_tx_mpwqe", set_pflag_xdp_tx_mpwqe }, 2141 { "skb_tx_mpwqe", set_pflag_skb_tx_mpwqe }, 2142 { "tx_port_ts", set_pflag_tx_port_ts }, 2143}; 2144 2145static int mlx5e_handle_pflag(struct net_device *netdev, 2146 u32 wanted_flags, 2147 enum mlx5e_priv_flag flag) 2148{ 2149 struct mlx5e_priv *priv = netdev_priv(netdev); 2150 bool enable = !!(wanted_flags & BIT(flag)); 2151 u32 changes = wanted_flags ^ priv->channels.params.pflags; 2152 int err; 2153 2154 if (!(changes & BIT(flag))) 2155 return 0; 2156 2157 err = mlx5e_priv_flags[flag].handler(netdev, enable); 2158 if (err) { 2159 netdev_err(netdev, "%s private flag '%s' failed err %d\n", 2160 enable ? "Enable" : "Disable", mlx5e_priv_flags[flag].name, err); 2161 return err; 2162 } 2163 2164 MLX5E_SET_PFLAG(&priv->channels.params, flag, enable); 2165 return 0; 2166} 2167 2168static int mlx5e_set_priv_flags(struct net_device *netdev, u32 pflags) 2169{ 2170 struct mlx5e_priv *priv = netdev_priv(netdev); 2171 enum mlx5e_priv_flag pflag; 2172 int err; 2173 2174 mutex_lock(&priv->state_lock); 2175 2176 for (pflag = 0; pflag < MLX5E_NUM_PFLAGS; pflag++) { 2177 err = mlx5e_handle_pflag(netdev, pflags, pflag); 2178 if (err) 2179 break; 2180 } 2181 2182 mutex_unlock(&priv->state_lock); 2183 2184 /* Need to fix some features.. */ 2185 netdev_update_features(netdev); 2186 2187 return err; 2188} 2189 2190static u32 mlx5e_get_priv_flags(struct net_device *netdev) 2191{ 2192 struct mlx5e_priv *priv = netdev_priv(netdev); 2193 2194 return priv->channels.params.pflags; 2195} 2196 2197static int mlx5e_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info, 2198 u32 *rule_locs) 2199{ 2200 struct mlx5e_priv *priv = netdev_priv(dev); 2201 2202 /* ETHTOOL_GRXRINGS is needed by ethtool -x which is not part 2203 * of rxnfc. We keep this logic out of mlx5e_ethtool_get_rxnfc, 2204 * to avoid breaking "ethtool -x" when mlx5e_ethtool_get_rxnfc 2205 * is compiled out via CONFIG_MLX5_EN_RXNFC=n. 2206 */ 2207 if (info->cmd == ETHTOOL_GRXRINGS) { 2208 info->data = priv->channels.params.num_channels; 2209 return 0; 2210 } 2211 2212 return mlx5e_ethtool_get_rxnfc(priv, info, rule_locs); 2213} 2214 2215static int mlx5e_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd) 2216{ 2217 struct mlx5e_priv *priv = netdev_priv(dev); 2218 2219 return mlx5e_ethtool_set_rxnfc(priv, cmd); 2220} 2221 2222static int query_port_status_opcode(struct mlx5_core_dev *mdev, u32 *status_opcode) 2223{ 2224 struct mlx5_ifc_pddr_troubleshooting_page_bits *pddr_troubleshooting_page; 2225 u32 in[MLX5_ST_SZ_DW(pddr_reg)] = {}; 2226 u32 out[MLX5_ST_SZ_DW(pddr_reg)]; 2227 int err; 2228 2229 MLX5_SET(pddr_reg, in, local_port, 1); 2230 MLX5_SET(pddr_reg, in, page_select, 2231 MLX5_PDDR_REG_PAGE_SELECT_TROUBLESHOOTING_INFO_PAGE); 2232 2233 pddr_troubleshooting_page = MLX5_ADDR_OF(pddr_reg, in, page_data); 2234 MLX5_SET(pddr_troubleshooting_page, pddr_troubleshooting_page, 2235 group_opcode, MLX5_PDDR_REG_TRBLSH_GROUP_OPCODE_MONITOR); 2236 err = mlx5_core_access_reg(mdev, in, sizeof(in), out, 2237 sizeof(out), MLX5_REG_PDDR, 0, 0); 2238 if (err) 2239 return err; 2240 2241 pddr_troubleshooting_page = MLX5_ADDR_OF(pddr_reg, out, page_data); 2242 *status_opcode = MLX5_GET(pddr_troubleshooting_page, pddr_troubleshooting_page, 2243 status_opcode); 2244 return 0; 2245} 2246 2247struct mlx5e_ethtool_link_ext_state_opcode_mapping { 2248 u32 status_opcode; 2249 enum ethtool_link_ext_state link_ext_state; 2250 u8 link_ext_substate; 2251}; 2252 2253static const struct mlx5e_ethtool_link_ext_state_opcode_mapping 2254mlx5e_link_ext_state_opcode_map[] = { 2255 /* States relating to the autonegotiation or issues therein */ 2256 {2, ETHTOOL_LINK_EXT_STATE_AUTONEG, 2257 ETHTOOL_LINK_EXT_SUBSTATE_AN_NO_PARTNER_DETECTED}, 2258 {3, ETHTOOL_LINK_EXT_STATE_AUTONEG, 2259 ETHTOOL_LINK_EXT_SUBSTATE_AN_ACK_NOT_RECEIVED}, 2260 {4, ETHTOOL_LINK_EXT_STATE_AUTONEG, 2261 ETHTOOL_LINK_EXT_SUBSTATE_AN_NEXT_PAGE_EXCHANGE_FAILED}, 2262 {36, ETHTOOL_LINK_EXT_STATE_AUTONEG, 2263 ETHTOOL_LINK_EXT_SUBSTATE_AN_NO_PARTNER_DETECTED_FORCE_MODE}, 2264 {38, ETHTOOL_LINK_EXT_STATE_AUTONEG, 2265 ETHTOOL_LINK_EXT_SUBSTATE_AN_FEC_MISMATCH_DURING_OVERRIDE}, 2266 {39, ETHTOOL_LINK_EXT_STATE_AUTONEG, 2267 ETHTOOL_LINK_EXT_SUBSTATE_AN_NO_HCD}, 2268 2269 /* Failure during link training */ 2270 {5, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE, 2271 ETHTOOL_LINK_EXT_SUBSTATE_LT_KR_FRAME_LOCK_NOT_ACQUIRED}, 2272 {6, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE, 2273 ETHTOOL_LINK_EXT_SUBSTATE_LT_KR_LINK_INHIBIT_TIMEOUT}, 2274 {7, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE, 2275 ETHTOOL_LINK_EXT_SUBSTATE_LT_KR_LINK_PARTNER_DID_NOT_SET_RECEIVER_READY}, 2276 {8, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE, 0}, 2277 {14, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE, 2278 ETHTOOL_LINK_EXT_SUBSTATE_LT_REMOTE_FAULT}, 2279 2280 /* Logical mismatch in physical coding sublayer or forward error correction sublayer */ 2281 {9, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH, 2282 ETHTOOL_LINK_EXT_SUBSTATE_LLM_PCS_DID_NOT_ACQUIRE_BLOCK_LOCK}, 2283 {10, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH, 2284 ETHTOOL_LINK_EXT_SUBSTATE_LLM_PCS_DID_NOT_ACQUIRE_AM_LOCK}, 2285 {11, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH, 2286 ETHTOOL_LINK_EXT_SUBSTATE_LLM_PCS_DID_NOT_GET_ALIGN_STATUS}, 2287 {12, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH, 2288 ETHTOOL_LINK_EXT_SUBSTATE_LLM_FC_FEC_IS_NOT_LOCKED}, 2289 {13, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH, 2290 ETHTOOL_LINK_EXT_SUBSTATE_LLM_RS_FEC_IS_NOT_LOCKED}, 2291 2292 /* Signal integrity issues */ 2293 {15, ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY, 0}, 2294 {17, ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY, 2295 ETHTOOL_LINK_EXT_SUBSTATE_BSI_LARGE_NUMBER_OF_PHYSICAL_ERRORS}, 2296 {42, ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY, 2297 ETHTOOL_LINK_EXT_SUBSTATE_BSI_UNSUPPORTED_RATE}, 2298 2299 /* No cable connected */ 2300 {1024, ETHTOOL_LINK_EXT_STATE_NO_CABLE, 0}, 2301 2302 /* Failure is related to cable, e.g., unsupported cable */ 2303 {16, ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE, 2304 ETHTOOL_LINK_EXT_SUBSTATE_CI_UNSUPPORTED_CABLE}, 2305 {20, ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE, 2306 ETHTOOL_LINK_EXT_SUBSTATE_CI_UNSUPPORTED_CABLE}, 2307 {29, ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE, 2308 ETHTOOL_LINK_EXT_SUBSTATE_CI_UNSUPPORTED_CABLE}, 2309 {1025, ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE, 2310 ETHTOOL_LINK_EXT_SUBSTATE_CI_UNSUPPORTED_CABLE}, 2311 {1029, ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE, 2312 ETHTOOL_LINK_EXT_SUBSTATE_CI_UNSUPPORTED_CABLE}, 2313 {1031, ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE, 0}, 2314 2315 /* Failure is related to EEPROM, e.g., failure during reading or parsing the data */ 2316 {1027, ETHTOOL_LINK_EXT_STATE_EEPROM_ISSUE, 0}, 2317 2318 /* Failure during calibration algorithm */ 2319 {23, ETHTOOL_LINK_EXT_STATE_CALIBRATION_FAILURE, 0}, 2320 2321 /* The hardware is not able to provide the power required from cable or module */ 2322 {1032, ETHTOOL_LINK_EXT_STATE_POWER_BUDGET_EXCEEDED, 0}, 2323 2324 /* The module is overheated */ 2325 {1030, ETHTOOL_LINK_EXT_STATE_OVERHEAT, 0}, 2326}; 2327 2328static void 2329mlx5e_set_link_ext_state(struct mlx5e_ethtool_link_ext_state_opcode_mapping 2330 link_ext_state_mapping, 2331 struct ethtool_link_ext_state_info *link_ext_state_info) 2332{ 2333 switch (link_ext_state_mapping.link_ext_state) { 2334 case ETHTOOL_LINK_EXT_STATE_AUTONEG: 2335 link_ext_state_info->autoneg = 2336 link_ext_state_mapping.link_ext_substate; 2337 break; 2338 case ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE: 2339 link_ext_state_info->link_training = 2340 link_ext_state_mapping.link_ext_substate; 2341 break; 2342 case ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH: 2343 link_ext_state_info->link_logical_mismatch = 2344 link_ext_state_mapping.link_ext_substate; 2345 break; 2346 case ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY: 2347 link_ext_state_info->bad_signal_integrity = 2348 link_ext_state_mapping.link_ext_substate; 2349 break; 2350 case ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE: 2351 link_ext_state_info->cable_issue = 2352 link_ext_state_mapping.link_ext_substate; 2353 break; 2354 default: 2355 break; 2356 } 2357 2358 link_ext_state_info->link_ext_state = link_ext_state_mapping.link_ext_state; 2359} 2360 2361static int 2362mlx5e_get_link_ext_state(struct net_device *dev, 2363 struct ethtool_link_ext_state_info *link_ext_state_info) 2364{ 2365 struct mlx5e_ethtool_link_ext_state_opcode_mapping link_ext_state_mapping; 2366 struct mlx5e_priv *priv = netdev_priv(dev); 2367 u32 status_opcode = 0; 2368 int i; 2369 2370 /* Exit without data if the interface state is OK, since no extended data is 2371 * available in such case 2372 */ 2373 if (netif_carrier_ok(dev)) 2374 return -ENODATA; 2375 2376 if (query_port_status_opcode(priv->mdev, &status_opcode) || 2377 !status_opcode) 2378 return -ENODATA; 2379 2380 for (i = 0; i < ARRAY_SIZE(mlx5e_link_ext_state_opcode_map); i++) { 2381 link_ext_state_mapping = mlx5e_link_ext_state_opcode_map[i]; 2382 if (link_ext_state_mapping.status_opcode == status_opcode) { 2383 mlx5e_set_link_ext_state(link_ext_state_mapping, 2384 link_ext_state_info); 2385 return 0; 2386 } 2387 } 2388 2389 return -ENODATA; 2390} 2391 2392static void mlx5e_get_eth_phy_stats(struct net_device *netdev, 2393 struct ethtool_eth_phy_stats *phy_stats) 2394{ 2395 struct mlx5e_priv *priv = netdev_priv(netdev); 2396 2397 mlx5e_stats_eth_phy_get(priv, phy_stats); 2398} 2399 2400static void mlx5e_get_eth_mac_stats(struct net_device *netdev, 2401 struct ethtool_eth_mac_stats *mac_stats) 2402{ 2403 struct mlx5e_priv *priv = netdev_priv(netdev); 2404 2405 mlx5e_stats_eth_mac_get(priv, mac_stats); 2406} 2407 2408static void mlx5e_get_eth_ctrl_stats(struct net_device *netdev, 2409 struct ethtool_eth_ctrl_stats *ctrl_stats) 2410{ 2411 struct mlx5e_priv *priv = netdev_priv(netdev); 2412 2413 mlx5e_stats_eth_ctrl_get(priv, ctrl_stats); 2414} 2415 2416static void mlx5e_get_rmon_stats(struct net_device *netdev, 2417 struct ethtool_rmon_stats *rmon_stats, 2418 const struct ethtool_rmon_hist_range **ranges) 2419{ 2420 struct mlx5e_priv *priv = netdev_priv(netdev); 2421 2422 mlx5e_stats_rmon_get(priv, rmon_stats, ranges); 2423} 2424 2425const struct ethtool_ops mlx5e_ethtool_ops = { 2426 .cap_rss_ctx_supported = true, 2427 .supported_coalesce_params = ETHTOOL_COALESCE_USECS | 2428 ETHTOOL_COALESCE_MAX_FRAMES | 2429 ETHTOOL_COALESCE_USE_ADAPTIVE | 2430 ETHTOOL_COALESCE_USE_CQE, 2431 .get_drvinfo = mlx5e_get_drvinfo, 2432 .get_link = ethtool_op_get_link, 2433 .get_link_ext_state = mlx5e_get_link_ext_state, 2434 .get_strings = mlx5e_get_strings, 2435 .get_sset_count = mlx5e_get_sset_count, 2436 .get_ethtool_stats = mlx5e_get_ethtool_stats, 2437 .get_ringparam = mlx5e_get_ringparam, 2438 .set_ringparam = mlx5e_set_ringparam, 2439 .get_channels = mlx5e_get_channels, 2440 .set_channels = mlx5e_set_channels, 2441 .get_coalesce = mlx5e_get_coalesce, 2442 .set_coalesce = mlx5e_set_coalesce, 2443 .get_link_ksettings = mlx5e_get_link_ksettings, 2444 .set_link_ksettings = mlx5e_set_link_ksettings, 2445 .get_rxfh_key_size = mlx5e_get_rxfh_key_size, 2446 .get_rxfh_indir_size = mlx5e_get_rxfh_indir_size, 2447 .get_rxfh = mlx5e_get_rxfh, 2448 .set_rxfh = mlx5e_set_rxfh, 2449 .get_rxnfc = mlx5e_get_rxnfc, 2450 .set_rxnfc = mlx5e_set_rxnfc, 2451 .get_tunable = mlx5e_get_tunable, 2452 .set_tunable = mlx5e_set_tunable, 2453 .get_pause_stats = mlx5e_get_pause_stats, 2454 .get_pauseparam = mlx5e_get_pauseparam, 2455 .set_pauseparam = mlx5e_set_pauseparam, 2456 .get_ts_info = mlx5e_get_ts_info, 2457 .set_phys_id = mlx5e_set_phys_id, 2458 .get_wol = mlx5e_get_wol, 2459 .set_wol = mlx5e_set_wol, 2460 .get_module_info = mlx5e_get_module_info, 2461 .get_module_eeprom = mlx5e_get_module_eeprom, 2462 .get_module_eeprom_by_page = mlx5e_get_module_eeprom_by_page, 2463 .flash_device = mlx5e_flash_device, 2464 .get_priv_flags = mlx5e_get_priv_flags, 2465 .set_priv_flags = mlx5e_set_priv_flags, 2466 .self_test = mlx5e_self_test, 2467 .get_fec_stats = mlx5e_get_fec_stats, 2468 .get_fecparam = mlx5e_get_fecparam, 2469 .set_fecparam = mlx5e_set_fecparam, 2470 .get_eth_phy_stats = mlx5e_get_eth_phy_stats, 2471 .get_eth_mac_stats = mlx5e_get_eth_mac_stats, 2472 .get_eth_ctrl_stats = mlx5e_get_eth_ctrl_stats, 2473 .get_rmon_stats = mlx5e_get_rmon_stats, 2474 .get_link_ext_stats = mlx5e_get_link_ext_stats 2475}; 2476