| /* |
| * Copyright (c) 2015, Mellanox Technologies. All rights reserved. |
| * |
| * This software is available to you under a choice of one of two |
| * licenses. You may choose to be licensed under the terms of the GNU |
| * General Public License (GPL) Version 2, available from the file |
| * COPYING in the main directory of this source tree, or the |
| * OpenIB.org BSD license below: |
| * |
| * Redistribution and use in source and binary forms, with or |
| * without modification, are permitted provided that the following |
| * conditions are met: |
| * |
| * - Redistributions of source code must retain the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer. |
| * |
| * - Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and/or other materials |
| * provided with the distribution. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
| * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
| * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| */ |
| |
| #include "en.h" |
| |
| static void mlx5e_get_drvinfo(struct net_device *dev, |
| struct ethtool_drvinfo *drvinfo) |
| { |
| struct mlx5e_priv *priv = netdev_priv(dev); |
| struct mlx5_core_dev *mdev = priv->mdev; |
| |
| strlcpy(drvinfo->driver, DRIVER_NAME, sizeof(drvinfo->driver)); |
| strlcpy(drvinfo->version, DRIVER_VERSION " (" DRIVER_RELDATE ")", |
| sizeof(drvinfo->version)); |
| snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), |
| "%d.%d.%d", |
| fw_rev_maj(mdev), fw_rev_min(mdev), fw_rev_sub(mdev)); |
| strlcpy(drvinfo->bus_info, pci_name(mdev->pdev), |
| sizeof(drvinfo->bus_info)); |
| } |
| |
| struct ptys2ethtool_config { |
| __ETHTOOL_DECLARE_LINK_MODE_MASK(supported); |
| __ETHTOOL_DECLARE_LINK_MODE_MASK(advertised); |
| u32 speed; |
| }; |
| |
| static struct ptys2ethtool_config ptys2ethtool_table[MLX5E_LINK_MODES_NUMBER]; |
| |
| #define MLX5_BUILD_PTYS2ETHTOOL_CONFIG(reg_, speed_, ...) \ |
| ({ \ |
| struct ptys2ethtool_config *cfg; \ |
| const unsigned int modes[] = { __VA_ARGS__ }; \ |
| unsigned int i; \ |
| cfg = &ptys2ethtool_table[reg_]; \ |
| cfg->speed = speed_; \ |
| bitmap_zero(cfg->supported, \ |
| __ETHTOOL_LINK_MODE_MASK_NBITS); \ |
| bitmap_zero(cfg->advertised, \ |
| __ETHTOOL_LINK_MODE_MASK_NBITS); \ |
| for (i = 0 ; i < ARRAY_SIZE(modes) ; ++i) { \ |
| __set_bit(modes[i], cfg->supported); \ |
| __set_bit(modes[i], cfg->advertised); \ |
| } \ |
| }) |
| |
| void mlx5e_build_ptys2ethtool_map(void) |
| { |
| MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_1000BASE_CX_SGMII, SPEED_1000, |
| ETHTOOL_LINK_MODE_1000baseKX_Full_BIT); |
| MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_1000BASE_KX, SPEED_1000, |
| ETHTOOL_LINK_MODE_1000baseKX_Full_BIT); |
| MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_CX4, SPEED_10000, |
| ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT); |
| MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_KX4, SPEED_10000, |
| ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT); |
| MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_KR, SPEED_10000, |
| ETHTOOL_LINK_MODE_10000baseKR_Full_BIT); |
| MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_20GBASE_KR2, SPEED_20000, |
| ETHTOOL_LINK_MODE_20000baseKR2_Full_BIT); |
| MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_40GBASE_CR4, SPEED_40000, |
| ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT); |
| MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_40GBASE_KR4, SPEED_40000, |
| ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT); |
| MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_56GBASE_R4, SPEED_56000, |
| ETHTOOL_LINK_MODE_56000baseKR4_Full_BIT); |
| MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_CR, SPEED_10000, |
| ETHTOOL_LINK_MODE_10000baseKR_Full_BIT); |
| MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_SR, SPEED_10000, |
| ETHTOOL_LINK_MODE_10000baseKR_Full_BIT); |
| MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_ER, SPEED_10000, |
| ETHTOOL_LINK_MODE_10000baseKR_Full_BIT); |
| MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_40GBASE_SR4, SPEED_40000, |
| ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT); |
| MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_40GBASE_LR4, SPEED_40000, |
| ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT); |
| MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_50GBASE_SR2, SPEED_50000, |
| ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT); |
| MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_100GBASE_CR4, SPEED_100000, |
| ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT); |
| MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_100GBASE_SR4, SPEED_100000, |
| ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT); |
| MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_100GBASE_KR4, SPEED_100000, |
| ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT); |
| MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_100GBASE_LR4, SPEED_100000, |
| ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT); |
| MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_10GBASE_T, SPEED_10000, |
| ETHTOOL_LINK_MODE_10000baseT_Full_BIT); |
| MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_25GBASE_CR, SPEED_25000, |
| ETHTOOL_LINK_MODE_25000baseCR_Full_BIT); |
| MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_25GBASE_KR, SPEED_25000, |
| ETHTOOL_LINK_MODE_25000baseKR_Full_BIT); |
| MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_25GBASE_SR, SPEED_25000, |
| ETHTOOL_LINK_MODE_25000baseSR_Full_BIT); |
| MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_50GBASE_CR2, SPEED_50000, |
| ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT); |
| MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_50GBASE_KR2, SPEED_50000, |
| ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT); |
| } |
| |
| static unsigned long mlx5e_query_pfc_combined(struct mlx5e_priv *priv) |
| { |
| struct mlx5_core_dev *mdev = priv->mdev; |
| u8 pfc_en_tx; |
| u8 pfc_en_rx; |
| int err; |
| |
| err = mlx5_query_port_pfc(mdev, &pfc_en_tx, &pfc_en_rx); |
| |
| return err ? 0 : pfc_en_tx | pfc_en_rx; |
| } |
| |
| static bool mlx5e_query_global_pause_combined(struct mlx5e_priv *priv) |
| { |
| struct mlx5_core_dev *mdev = priv->mdev; |
| u32 rx_pause; |
| u32 tx_pause; |
| int err; |
| |
| err = mlx5_query_port_pause(mdev, &rx_pause, &tx_pause); |
| |
| return err ? false : rx_pause | tx_pause; |
| } |
| |
| #define MLX5E_NUM_Q_CNTRS(priv) (NUM_Q_COUNTERS * (!!priv->q_counter)) |
| #define MLX5E_NUM_RQ_STATS(priv) \ |
| (NUM_RQ_STATS * priv->params.num_channels * \ |
| test_bit(MLX5E_STATE_OPENED, &priv->state)) |
| #define MLX5E_NUM_SQ_STATS(priv) \ |
| (NUM_SQ_STATS * priv->params.num_channels * priv->params.num_tc * \ |
| test_bit(MLX5E_STATE_OPENED, &priv->state)) |
| #define MLX5E_NUM_PFC_COUNTERS(priv) \ |
| ((mlx5e_query_global_pause_combined(priv) + hweight8(mlx5e_query_pfc_combined(priv))) * \ |
| NUM_PPORT_PER_PRIO_PFC_COUNTERS) |
| |
| static int mlx5e_get_sset_count(struct net_device *dev, int sset) |
| { |
| struct mlx5e_priv *priv = netdev_priv(dev); |
| |
| switch (sset) { |
| case ETH_SS_STATS: |
| return NUM_SW_COUNTERS + |
| MLX5E_NUM_Q_CNTRS(priv) + |
| NUM_VPORT_COUNTERS + NUM_PPORT_COUNTERS + |
| MLX5E_NUM_RQ_STATS(priv) + |
| MLX5E_NUM_SQ_STATS(priv) + |
| MLX5E_NUM_PFC_COUNTERS(priv); |
| case ETH_SS_PRIV_FLAGS: |
| return ARRAY_SIZE(mlx5e_priv_flags); |
| /* fallthrough */ |
| default: |
| return -EOPNOTSUPP; |
| } |
| } |
| |
| static void mlx5e_fill_stats_strings(struct mlx5e_priv *priv, uint8_t *data) |
| { |
| int i, j, tc, prio, idx = 0; |
| unsigned long pfc_combined; |
| |
| /* SW counters */ |
| for (i = 0; i < NUM_SW_COUNTERS; i++) |
| strcpy(data + (idx++) * ETH_GSTRING_LEN, sw_stats_desc[i].format); |
| |
| /* Q counters */ |
| for (i = 0; i < MLX5E_NUM_Q_CNTRS(priv); i++) |
| strcpy(data + (idx++) * ETH_GSTRING_LEN, q_stats_desc[i].format); |
| |
| /* VPORT counters */ |
| for (i = 0; i < NUM_VPORT_COUNTERS; i++) |
| strcpy(data + (idx++) * ETH_GSTRING_LEN, |
| vport_stats_desc[i].format); |
| |
| /* PPORT counters */ |
| for (i = 0; i < NUM_PPORT_802_3_COUNTERS; i++) |
| strcpy(data + (idx++) * ETH_GSTRING_LEN, |
| pport_802_3_stats_desc[i].format); |
| |
| for (i = 0; i < NUM_PPORT_2863_COUNTERS; i++) |
| strcpy(data + (idx++) * ETH_GSTRING_LEN, |
| pport_2863_stats_desc[i].format); |
| |
| for (i = 0; i < NUM_PPORT_2819_COUNTERS; i++) |
| strcpy(data + (idx++) * ETH_GSTRING_LEN, |
| pport_2819_stats_desc[i].format); |
| |
| for (prio = 0; prio < NUM_PPORT_PRIO; prio++) { |
| for (i = 0; i < NUM_PPORT_PER_PRIO_TRAFFIC_COUNTERS; i++) |
| sprintf(data + (idx++) * ETH_GSTRING_LEN, |
| pport_per_prio_traffic_stats_desc[i].format, prio); |
| } |
| |
| pfc_combined = mlx5e_query_pfc_combined(priv); |
| for_each_set_bit(prio, &pfc_combined, NUM_PPORT_PRIO) { |
| for (i = 0; i < NUM_PPORT_PER_PRIO_PFC_COUNTERS; i++) { |
| char pfc_string[ETH_GSTRING_LEN]; |
| |
| snprintf(pfc_string, sizeof(pfc_string), "prio%d", prio); |
| sprintf(data + (idx++) * ETH_GSTRING_LEN, |
| pport_per_prio_pfc_stats_desc[i].format, pfc_string); |
| } |
| } |
| |
| if (mlx5e_query_global_pause_combined(priv)) { |
| for (i = 0; i < NUM_PPORT_PER_PRIO_PFC_COUNTERS; i++) { |
| sprintf(data + (idx++) * ETH_GSTRING_LEN, |
| pport_per_prio_pfc_stats_desc[i].format, "global"); |
| } |
| } |
| |
| if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) |
| return; |
| |
| /* per channel counters */ |
| for (i = 0; i < priv->params.num_channels; i++) |
| for (j = 0; j < NUM_RQ_STATS; j++) |
| sprintf(data + (idx++) * ETH_GSTRING_LEN, |
| rq_stats_desc[j].format, i); |
| |
| for (tc = 0; tc < priv->params.num_tc; tc++) |
| for (i = 0; i < priv->params.num_channels; i++) |
| for (j = 0; j < NUM_SQ_STATS; j++) |
| sprintf(data + (idx++) * ETH_GSTRING_LEN, |
| sq_stats_desc[j].format, |
| priv->channeltc_to_txq_map[i][tc]); |
| } |
| |
| static void mlx5e_get_strings(struct net_device *dev, |
| uint32_t stringset, uint8_t *data) |
| { |
| struct mlx5e_priv *priv = netdev_priv(dev); |
| int i; |
| |
| switch (stringset) { |
| case ETH_SS_PRIV_FLAGS: |
| for (i = 0; i < ARRAY_SIZE(mlx5e_priv_flags); i++) |
| strcpy(data + i * ETH_GSTRING_LEN, mlx5e_priv_flags[i]); |
| break; |
| |
| case ETH_SS_TEST: |
| break; |
| |
| case ETH_SS_STATS: |
| mlx5e_fill_stats_strings(priv, data); |
| break; |
| } |
| } |
| |
| static void mlx5e_get_ethtool_stats(struct net_device *dev, |
| struct ethtool_stats *stats, u64 *data) |
| { |
| struct mlx5e_priv *priv = netdev_priv(dev); |
| int i, j, tc, prio, idx = 0; |
| unsigned long pfc_combined; |
| |
| if (!data) |
| return; |
| |
| mutex_lock(&priv->state_lock); |
| if (test_bit(MLX5E_STATE_OPENED, &priv->state)) |
| mlx5e_update_stats(priv); |
| mutex_unlock(&priv->state_lock); |
| |
| for (i = 0; i < NUM_SW_COUNTERS; i++) |
| data[idx++] = MLX5E_READ_CTR64_CPU(&priv->stats.sw, |
| sw_stats_desc, i); |
| |
| for (i = 0; i < MLX5E_NUM_Q_CNTRS(priv); i++) |
| data[idx++] = MLX5E_READ_CTR32_CPU(&priv->stats.qcnt, |
| q_stats_desc, i); |
| |
| for (i = 0; i < NUM_VPORT_COUNTERS; i++) |
| data[idx++] = MLX5E_READ_CTR64_BE(priv->stats.vport.query_vport_out, |
| vport_stats_desc, i); |
| |
| for (i = 0; i < NUM_PPORT_802_3_COUNTERS; i++) |
| data[idx++] = MLX5E_READ_CTR64_BE(&priv->stats.pport.IEEE_802_3_counters, |
| pport_802_3_stats_desc, i); |
| |
| for (i = 0; i < NUM_PPORT_2863_COUNTERS; i++) |
| data[idx++] = MLX5E_READ_CTR64_BE(&priv->stats.pport.RFC_2863_counters, |
| pport_2863_stats_desc, i); |
| |
| for (i = 0; i < NUM_PPORT_2819_COUNTERS; i++) |
| data[idx++] = MLX5E_READ_CTR64_BE(&priv->stats.pport.RFC_2819_counters, |
| pport_2819_stats_desc, i); |
| |
| for (prio = 0; prio < NUM_PPORT_PRIO; prio++) { |
| for (i = 0; i < NUM_PPORT_PER_PRIO_TRAFFIC_COUNTERS; i++) |
| data[idx++] = MLX5E_READ_CTR64_BE(&priv->stats.pport.per_prio_counters[prio], |
| pport_per_prio_traffic_stats_desc, i); |
| } |
| |
| pfc_combined = mlx5e_query_pfc_combined(priv); |
| for_each_set_bit(prio, &pfc_combined, NUM_PPORT_PRIO) { |
| for (i = 0; i < NUM_PPORT_PER_PRIO_PFC_COUNTERS; i++) { |
| data[idx++] = MLX5E_READ_CTR64_BE(&priv->stats.pport.per_prio_counters[prio], |
| pport_per_prio_pfc_stats_desc, i); |
| } |
| } |
| |
| if (mlx5e_query_global_pause_combined(priv)) { |
| for (i = 0; i < NUM_PPORT_PER_PRIO_PFC_COUNTERS; i++) { |
| data[idx++] = MLX5E_READ_CTR64_BE(&priv->stats.pport.per_prio_counters[0], |
| pport_per_prio_pfc_stats_desc, i); |
| } |
| } |
| |
| if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) |
| return; |
| |
| /* per channel counters */ |
| for (i = 0; i < priv->params.num_channels; i++) |
| for (j = 0; j < NUM_RQ_STATS; j++) |
| data[idx++] = |
| MLX5E_READ_CTR64_CPU(&priv->channel[i]->rq.stats, |
| rq_stats_desc, j); |
| |
| for (tc = 0; tc < priv->params.num_tc; tc++) |
| for (i = 0; i < priv->params.num_channels; i++) |
| for (j = 0; j < NUM_SQ_STATS; j++) |
| data[idx++] = MLX5E_READ_CTR64_CPU(&priv->channel[i]->sq[tc].stats, |
| sq_stats_desc, j); |
| } |
| |
| static u32 mlx5e_rx_wqes_to_packets(struct mlx5e_priv *priv, int rq_wq_type, |
| int num_wqe) |
| { |
| int packets_per_wqe; |
| int stride_size; |
| int num_strides; |
| int wqe_size; |
| |
| if (rq_wq_type != MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ) |
| return num_wqe; |
| |
| stride_size = 1 << priv->params.mpwqe_log_stride_sz; |
| num_strides = 1 << priv->params.mpwqe_log_num_strides; |
| wqe_size = stride_size * num_strides; |
| |
| packets_per_wqe = wqe_size / |
| ALIGN(ETH_DATA_LEN, stride_size); |
| return (1 << (order_base_2(num_wqe * packets_per_wqe) - 1)); |
| } |
| |
| static u32 mlx5e_packets_to_rx_wqes(struct mlx5e_priv *priv, int rq_wq_type, |
| int num_packets) |
| { |
| int packets_per_wqe; |
| int stride_size; |
| int num_strides; |
| int wqe_size; |
| int num_wqes; |
| |
| if (rq_wq_type != MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ) |
| return num_packets; |
| |
| stride_size = 1 << priv->params.mpwqe_log_stride_sz; |
| num_strides = 1 << priv->params.mpwqe_log_num_strides; |
| wqe_size = stride_size * num_strides; |
| |
| num_packets = (1 << order_base_2(num_packets)); |
| |
| packets_per_wqe = wqe_size / |
| ALIGN(ETH_DATA_LEN, stride_size); |
| num_wqes = DIV_ROUND_UP(num_packets, packets_per_wqe); |
| return 1 << (order_base_2(num_wqes)); |
| } |
| |
| static void mlx5e_get_ringparam(struct net_device *dev, |
| struct ethtool_ringparam *param) |
| { |
| struct mlx5e_priv *priv = netdev_priv(dev); |
| int rq_wq_type = priv->params.rq_wq_type; |
| |
| param->rx_max_pending = mlx5e_rx_wqes_to_packets(priv, rq_wq_type, |
| 1 << mlx5_max_log_rq_size(rq_wq_type)); |
| param->tx_max_pending = 1 << MLX5E_PARAMS_MAXIMUM_LOG_SQ_SIZE; |
| param->rx_pending = mlx5e_rx_wqes_to_packets(priv, rq_wq_type, |
| 1 << priv->params.log_rq_size); |
| param->tx_pending = 1 << priv->params.log_sq_size; |
| } |
| |
| static int mlx5e_set_ringparam(struct net_device *dev, |
| struct ethtool_ringparam *param) |
| { |
| struct mlx5e_priv *priv = netdev_priv(dev); |
| bool was_opened; |
| int rq_wq_type = priv->params.rq_wq_type; |
| u32 rx_pending_wqes; |
| u32 min_rq_size; |
| u32 max_rq_size; |
| u16 min_rx_wqes; |
| u8 log_rq_size; |
| u8 log_sq_size; |
| u32 num_mtts; |
| int err = 0; |
| |
| if (param->rx_jumbo_pending) { |
| netdev_info(dev, "%s: rx_jumbo_pending not supported\n", |
| __func__); |
| return -EINVAL; |
| } |
| if (param->rx_mini_pending) { |
| netdev_info(dev, "%s: rx_mini_pending not supported\n", |
| __func__); |
| return -EINVAL; |
| } |
| |
| min_rq_size = mlx5e_rx_wqes_to_packets(priv, rq_wq_type, |
| 1 << mlx5_min_log_rq_size(rq_wq_type)); |
| max_rq_size = mlx5e_rx_wqes_to_packets(priv, rq_wq_type, |
| 1 << mlx5_max_log_rq_size(rq_wq_type)); |
| rx_pending_wqes = mlx5e_packets_to_rx_wqes(priv, rq_wq_type, |
| param->rx_pending); |
| |
| if (param->rx_pending < min_rq_size) { |
| netdev_info(dev, "%s: rx_pending (%d) < min (%d)\n", |
| __func__, param->rx_pending, |
| min_rq_size); |
| return -EINVAL; |
| } |
| if (param->rx_pending > max_rq_size) { |
| netdev_info(dev, "%s: rx_pending (%d) > max (%d)\n", |
| __func__, param->rx_pending, |
| max_rq_size); |
| return -EINVAL; |
| } |
| |
| num_mtts = MLX5E_REQUIRED_MTTS(priv->params.num_channels, |
| rx_pending_wqes); |
| if (priv->params.rq_wq_type == MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ && |
| !MLX5E_VALID_NUM_MTTS(num_mtts)) { |
| netdev_info(dev, "%s: rx_pending (%d) request can't be satisfied, try to reduce.\n", |
| __func__, param->rx_pending); |
| return -EINVAL; |
| } |
| |
| if (param->tx_pending < (1 << MLX5E_PARAMS_MINIMUM_LOG_SQ_SIZE)) { |
| netdev_info(dev, "%s: tx_pending (%d) < min (%d)\n", |
| __func__, param->tx_pending, |
| 1 << MLX5E_PARAMS_MINIMUM_LOG_SQ_SIZE); |
| return -EINVAL; |
| } |
| if (param->tx_pending > (1 << MLX5E_PARAMS_MAXIMUM_LOG_SQ_SIZE)) { |
| netdev_info(dev, "%s: tx_pending (%d) > max (%d)\n", |
| __func__, param->tx_pending, |
| 1 << MLX5E_PARAMS_MAXIMUM_LOG_SQ_SIZE); |
| return -EINVAL; |
| } |
| |
| log_rq_size = order_base_2(rx_pending_wqes); |
| log_sq_size = order_base_2(param->tx_pending); |
| min_rx_wqes = mlx5_min_rx_wqes(rq_wq_type, rx_pending_wqes); |
| |
| if (log_rq_size == priv->params.log_rq_size && |
| log_sq_size == priv->params.log_sq_size && |
| min_rx_wqes == priv->params.min_rx_wqes) |
| return 0; |
| |
| mutex_lock(&priv->state_lock); |
| |
| was_opened = test_bit(MLX5E_STATE_OPENED, &priv->state); |
| if (was_opened) |
| mlx5e_close_locked(dev); |
| |
| priv->params.log_rq_size = log_rq_size; |
| priv->params.log_sq_size = log_sq_size; |
| priv->params.min_rx_wqes = min_rx_wqes; |
| |
| if (was_opened) |
| err = mlx5e_open_locked(dev); |
| |
| mutex_unlock(&priv->state_lock); |
| |
| return err; |
| } |
| |
| static void mlx5e_get_channels(struct net_device *dev, |
| struct ethtool_channels *ch) |
| { |
| struct mlx5e_priv *priv = netdev_priv(dev); |
| |
| ch->max_combined = mlx5e_get_max_num_channels(priv->mdev); |
| ch->combined_count = priv->params.num_channels; |
| } |
| |
| static int mlx5e_set_channels(struct net_device *dev, |
| struct ethtool_channels *ch) |
| { |
| struct mlx5e_priv *priv = netdev_priv(dev); |
| int ncv = mlx5e_get_max_num_channels(priv->mdev); |
| unsigned int count = ch->combined_count; |
| bool arfs_enabled; |
| bool was_opened; |
| u32 num_mtts; |
| int err = 0; |
| |
| if (!count) { |
| netdev_info(dev, "%s: combined_count=0 not supported\n", |
| __func__); |
| return -EINVAL; |
| } |
| if (ch->rx_count || ch->tx_count) { |
| netdev_info(dev, "%s: separate rx/tx count not supported\n", |
| __func__); |
| return -EINVAL; |
| } |
| if (count > ncv) { |
| netdev_info(dev, "%s: count (%d) > max (%d)\n", |
| __func__, count, ncv); |
| return -EINVAL; |
| } |
| |
| num_mtts = MLX5E_REQUIRED_MTTS(count, BIT(priv->params.log_rq_size)); |
| if (priv->params.rq_wq_type == MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ && |
| !MLX5E_VALID_NUM_MTTS(num_mtts)) { |
| netdev_info(dev, "%s: rx count (%d) request can't be satisfied, try to reduce.\n", |
| __func__, count); |
| return -EINVAL; |
| } |
| |
| if (priv->params.num_channels == count) |
| return 0; |
| |
| mutex_lock(&priv->state_lock); |
| |
| was_opened = test_bit(MLX5E_STATE_OPENED, &priv->state); |
| if (was_opened) |
| mlx5e_close_locked(dev); |
| |
| arfs_enabled = dev->features & NETIF_F_NTUPLE; |
| if (arfs_enabled) |
| mlx5e_arfs_disable(priv); |
| |
| priv->params.num_channels = count; |
| mlx5e_build_default_indir_rqt(priv->mdev, priv->params.indirection_rqt, |
| MLX5E_INDIR_RQT_SIZE, count); |
| |
| if (was_opened) |
| err = mlx5e_open_locked(dev); |
| if (err) |
| goto out; |
| |
| if (arfs_enabled) { |
| err = mlx5e_arfs_enable(priv); |
| if (err) |
| netdev_err(dev, "%s: mlx5e_arfs_enable failed: %d\n", |
| __func__, err); |
| } |
| |
| out: |
| mutex_unlock(&priv->state_lock); |
| |
| return err; |
| } |
| |
| static int mlx5e_get_coalesce(struct net_device *netdev, |
| struct ethtool_coalesce *coal) |
| { |
| struct mlx5e_priv *priv = netdev_priv(netdev); |
| |
| if (!MLX5_CAP_GEN(priv->mdev, cq_moderation)) |
| return -ENOTSUPP; |
| |
| coal->rx_coalesce_usecs = priv->params.rx_cq_moderation.usec; |
| coal->rx_max_coalesced_frames = priv->params.rx_cq_moderation.pkts; |
| coal->tx_coalesce_usecs = priv->params.tx_cq_moderation.usec; |
| coal->tx_max_coalesced_frames = priv->params.tx_cq_moderation.pkts; |
| coal->use_adaptive_rx_coalesce = priv->params.rx_am_enabled; |
| |
| return 0; |
| } |
| |
| static int mlx5e_set_coalesce(struct net_device *netdev, |
| struct ethtool_coalesce *coal) |
| { |
| struct mlx5e_priv *priv = netdev_priv(netdev); |
| struct mlx5_core_dev *mdev = priv->mdev; |
| struct mlx5e_channel *c; |
| bool restart = |
| !!coal->use_adaptive_rx_coalesce != priv->params.rx_am_enabled; |
| bool was_opened; |
| int err = 0; |
| int tc; |
| int i; |
| |
| if (!MLX5_CAP_GEN(mdev, cq_moderation)) |
| return -ENOTSUPP; |
| |
| mutex_lock(&priv->state_lock); |
| |
| was_opened = test_bit(MLX5E_STATE_OPENED, &priv->state); |
| if (was_opened && restart) { |
| mlx5e_close_locked(netdev); |
| priv->params.rx_am_enabled = !!coal->use_adaptive_rx_coalesce; |
| } |
| |
| priv->params.tx_cq_moderation.usec = coal->tx_coalesce_usecs; |
| priv->params.tx_cq_moderation.pkts = coal->tx_max_coalesced_frames; |
| priv->params.rx_cq_moderation.usec = coal->rx_coalesce_usecs; |
| priv->params.rx_cq_moderation.pkts = coal->rx_max_coalesced_frames; |
| |
| if (!was_opened || restart) |
| goto out; |
| |
| for (i = 0; i < priv->params.num_channels; ++i) { |
| c = priv->channel[i]; |
| |
| for (tc = 0; tc < c->num_tc; tc++) { |
| mlx5_core_modify_cq_moderation(mdev, |
| &c->sq[tc].cq.mcq, |
| coal->tx_coalesce_usecs, |
| coal->tx_max_coalesced_frames); |
| } |
| |
| mlx5_core_modify_cq_moderation(mdev, &c->rq.cq.mcq, |
| coal->rx_coalesce_usecs, |
| coal->rx_max_coalesced_frames); |
| } |
| |
| out: |
| if (was_opened && restart) |
| err = mlx5e_open_locked(netdev); |
| |
| mutex_unlock(&priv->state_lock); |
| return err; |
| } |
| |
| static void ptys2ethtool_supported_link(unsigned long *supported_modes, |
| u32 eth_proto_cap) |
| { |
| unsigned long proto_cap = eth_proto_cap; |
| int proto; |
| |
| for_each_set_bit(proto, &proto_cap, MLX5E_LINK_MODES_NUMBER) |
| bitmap_or(supported_modes, supported_modes, |
| ptys2ethtool_table[proto].supported, |
| __ETHTOOL_LINK_MODE_MASK_NBITS); |
| } |
| |
| static void ptys2ethtool_adver_link(unsigned long *advertising_modes, |
| u32 eth_proto_cap) |
| { |
| unsigned long proto_cap = eth_proto_cap; |
| int proto; |
| |
| for_each_set_bit(proto, &proto_cap, MLX5E_LINK_MODES_NUMBER) |
| bitmap_or(advertising_modes, advertising_modes, |
| ptys2ethtool_table[proto].advertised, |
| __ETHTOOL_LINK_MODE_MASK_NBITS); |
| } |
| |
| static void ptys2ethtool_supported_port(struct ethtool_link_ksettings *link_ksettings, |
| u32 eth_proto_cap) |
| { |
| if (eth_proto_cap & (MLX5E_PROT_MASK(MLX5E_10GBASE_CR) |
| | MLX5E_PROT_MASK(MLX5E_10GBASE_SR) |
| | MLX5E_PROT_MASK(MLX5E_40GBASE_CR4) |
| | MLX5E_PROT_MASK(MLX5E_40GBASE_SR4) |
| | MLX5E_PROT_MASK(MLX5E_100GBASE_SR4) |
| | MLX5E_PROT_MASK(MLX5E_1000BASE_CX_SGMII))) { |
| ethtool_link_ksettings_add_link_mode(link_ksettings, supported, FIBRE); |
| } |
| |
| if (eth_proto_cap & (MLX5E_PROT_MASK(MLX5E_100GBASE_KR4) |
| | MLX5E_PROT_MASK(MLX5E_40GBASE_KR4) |
| | MLX5E_PROT_MASK(MLX5E_10GBASE_KR) |
| | MLX5E_PROT_MASK(MLX5E_10GBASE_KX4) |
| | MLX5E_PROT_MASK(MLX5E_1000BASE_KX))) { |
| ethtool_link_ksettings_add_link_mode(link_ksettings, supported, Backplane); |
| } |
| } |
| |
| int mlx5e_get_max_linkspeed(struct mlx5_core_dev *mdev, u32 *speed) |
| { |
| u32 max_speed = 0; |
| u32 proto_cap; |
| int err; |
| int i; |
| |
| err = mlx5_query_port_proto_cap(mdev, &proto_cap, MLX5_PTYS_EN); |
| if (err) |
| return err; |
| |
| for (i = 0; i < MLX5E_LINK_MODES_NUMBER; ++i) |
| if (proto_cap & MLX5E_PROT_MASK(i)) |
| max_speed = max(max_speed, ptys2ethtool_table[i].speed); |
| |
| *speed = max_speed; |
| return 0; |
| } |
| |
| static void get_speed_duplex(struct net_device *netdev, |
| u32 eth_proto_oper, |
| struct ethtool_link_ksettings *link_ksettings) |
| { |
| int i; |
| u32 speed = SPEED_UNKNOWN; |
| u8 duplex = DUPLEX_UNKNOWN; |
| |
| if (!netif_carrier_ok(netdev)) |
| goto out; |
| |
| for (i = 0; i < MLX5E_LINK_MODES_NUMBER; ++i) { |
| if (eth_proto_oper & MLX5E_PROT_MASK(i)) { |
| speed = ptys2ethtool_table[i].speed; |
| duplex = DUPLEX_FULL; |
| break; |
| } |
| } |
| out: |
| link_ksettings->base.speed = speed; |
| link_ksettings->base.duplex = duplex; |
| } |
| |
| static void get_supported(u32 eth_proto_cap, |
| struct ethtool_link_ksettings *link_ksettings) |
| { |
| unsigned long *supported = link_ksettings->link_modes.supported; |
| |
| ptys2ethtool_supported_port(link_ksettings, eth_proto_cap); |
| ptys2ethtool_supported_link(supported, eth_proto_cap); |
| ethtool_link_ksettings_add_link_mode(link_ksettings, supported, Pause); |
| ethtool_link_ksettings_add_link_mode(link_ksettings, supported, Asym_Pause); |
| } |
| |
| static void get_advertising(u32 eth_proto_cap, u8 tx_pause, |
| u8 rx_pause, |
| struct ethtool_link_ksettings *link_ksettings) |
| { |
| unsigned long *advertising = link_ksettings->link_modes.advertising; |
| |
| ptys2ethtool_adver_link(advertising, eth_proto_cap); |
| if (tx_pause) |
| ethtool_link_ksettings_add_link_mode(link_ksettings, advertising, Pause); |
| if (tx_pause ^ rx_pause) |
| ethtool_link_ksettings_add_link_mode(link_ksettings, advertising, Asym_Pause); |
| } |
| |
| static u8 get_connector_port(u32 eth_proto) |
| { |
| if (eth_proto & (MLX5E_PROT_MASK(MLX5E_10GBASE_SR) |
| | MLX5E_PROT_MASK(MLX5E_40GBASE_SR4) |
| | MLX5E_PROT_MASK(MLX5E_100GBASE_SR4) |
| | MLX5E_PROT_MASK(MLX5E_1000BASE_CX_SGMII))) { |
| return PORT_FIBRE; |
| } |
| |
| if (eth_proto & (MLX5E_PROT_MASK(MLX5E_40GBASE_CR4) |
| | MLX5E_PROT_MASK(MLX5E_10GBASE_CR) |
| | MLX5E_PROT_MASK(MLX5E_100GBASE_CR4))) { |
| return PORT_DA; |
| } |
| |
| if (eth_proto & (MLX5E_PROT_MASK(MLX5E_10GBASE_KX4) |
| | MLX5E_PROT_MASK(MLX5E_10GBASE_KR) |
| | MLX5E_PROT_MASK(MLX5E_40GBASE_KR4) |
| | MLX5E_PROT_MASK(MLX5E_100GBASE_KR4))) { |
| return PORT_NONE; |
| } |
| |
| return PORT_OTHER; |
| } |
| |
| static void get_lp_advertising(u32 eth_proto_lp, |
| struct ethtool_link_ksettings *link_ksettings) |
| { |
| unsigned long *lp_advertising = link_ksettings->link_modes.lp_advertising; |
| |
| ptys2ethtool_adver_link(lp_advertising, eth_proto_lp); |
| } |
| |
| static int mlx5e_get_link_ksettings(struct net_device *netdev, |
| struct ethtool_link_ksettings *link_ksettings) |
| { |
| struct mlx5e_priv *priv = netdev_priv(netdev); |
| struct mlx5_core_dev *mdev = priv->mdev; |
| u32 out[MLX5_ST_SZ_DW(ptys_reg)] = {0}; |
| u32 eth_proto_cap; |
| u32 eth_proto_admin; |
| u32 eth_proto_lp; |
| u32 eth_proto_oper; |
| u8 an_disable_admin; |
| u8 an_status; |
| int err; |
| |
| err = mlx5_query_port_ptys(mdev, out, sizeof(out), MLX5_PTYS_EN, 1); |
| if (err) { |
| netdev_err(netdev, "%s: query port ptys failed: %d\n", |
| __func__, err); |
| goto err_query_ptys; |
| } |
| |
| eth_proto_cap = MLX5_GET(ptys_reg, out, eth_proto_capability); |
| eth_proto_admin = MLX5_GET(ptys_reg, out, eth_proto_admin); |
| eth_proto_oper = MLX5_GET(ptys_reg, out, eth_proto_oper); |
| eth_proto_lp = MLX5_GET(ptys_reg, out, eth_proto_lp_advertise); |
| an_disable_admin = MLX5_GET(ptys_reg, out, an_disable_admin); |
| an_status = MLX5_GET(ptys_reg, out, an_status); |
| |
| ethtool_link_ksettings_zero_link_mode(link_ksettings, supported); |
| ethtool_link_ksettings_zero_link_mode(link_ksettings, advertising); |
| |
| get_supported(eth_proto_cap, link_ksettings); |
| get_advertising(eth_proto_admin, 0, 0, link_ksettings); |
| get_speed_duplex(netdev, eth_proto_oper, link_ksettings); |
| |
| eth_proto_oper = eth_proto_oper ? eth_proto_oper : eth_proto_cap; |
| |
| link_ksettings->base.port = get_connector_port(eth_proto_oper); |
| get_lp_advertising(eth_proto_lp, link_ksettings); |
| |
| if (an_status == MLX5_AN_COMPLETE) |
| ethtool_link_ksettings_add_link_mode(link_ksettings, |
| lp_advertising, Autoneg); |
| |
| link_ksettings->base.autoneg = an_disable_admin ? AUTONEG_DISABLE : |
| AUTONEG_ENABLE; |
| ethtool_link_ksettings_add_link_mode(link_ksettings, supported, |
| Autoneg); |
| if (!an_disable_admin) |
| ethtool_link_ksettings_add_link_mode(link_ksettings, |
| advertising, Autoneg); |
| |
| err_query_ptys: |
| return err; |
| } |
| |
| static u32 mlx5e_ethtool2ptys_adver_link(const unsigned long *link_modes) |
| { |
| u32 i, ptys_modes = 0; |
| |
| for (i = 0; i < MLX5E_LINK_MODES_NUMBER; ++i) { |
| if (bitmap_intersects(ptys2ethtool_table[i].advertised, |
| link_modes, |
| __ETHTOOL_LINK_MODE_MASK_NBITS)) |
| ptys_modes |= MLX5E_PROT_MASK(i); |
| } |
| |
| return ptys_modes; |
| } |
| |
| static u32 mlx5e_ethtool2ptys_speed_link(u32 speed) |
| { |
| u32 i, speed_links = 0; |
| |
| for (i = 0; i < MLX5E_LINK_MODES_NUMBER; ++i) { |
| if (ptys2ethtool_table[i].speed == speed) |
| speed_links |= MLX5E_PROT_MASK(i); |
| } |
| |
| return speed_links; |
| } |
| |
| static int mlx5e_set_link_ksettings(struct net_device *netdev, |
| const struct ethtool_link_ksettings *link_ksettings) |
| { |
| struct mlx5e_priv *priv = netdev_priv(netdev); |
| struct mlx5_core_dev *mdev = priv->mdev; |
| u32 eth_proto_cap, eth_proto_admin; |
| bool an_changes = false; |
| u8 an_disable_admin; |
| u8 an_disable_cap; |
| bool an_disable; |
| u32 link_modes; |
| u8 an_status; |
| u32 speed; |
| int err; |
| |
| speed = link_ksettings->base.speed; |
| |
| link_modes = link_ksettings->base.autoneg == AUTONEG_ENABLE ? |
| mlx5e_ethtool2ptys_adver_link(link_ksettings->link_modes.advertising) : |
| mlx5e_ethtool2ptys_speed_link(speed); |
| |
| err = mlx5_query_port_proto_cap(mdev, ð_proto_cap, MLX5_PTYS_EN); |
| if (err) { |
| netdev_err(netdev, "%s: query port eth proto cap failed: %d\n", |
| __func__, err); |
| goto out; |
| } |
| |
| link_modes = link_modes & eth_proto_cap; |
| if (!link_modes) { |
| netdev_err(netdev, "%s: Not supported link mode(s) requested", |
| __func__); |
| err = -EINVAL; |
| goto out; |
| } |
| |
| err = mlx5_query_port_proto_admin(mdev, ð_proto_admin, MLX5_PTYS_EN); |
| if (err) { |
| netdev_err(netdev, "%s: query port eth proto admin failed: %d\n", |
| __func__, err); |
| goto out; |
| } |
| |
| mlx5_query_port_autoneg(mdev, MLX5_PTYS_EN, &an_status, |
| &an_disable_cap, &an_disable_admin); |
| |
| an_disable = link_ksettings->base.autoneg == AUTONEG_DISABLE; |
| an_changes = ((!an_disable && an_disable_admin) || |
| (an_disable && !an_disable_admin)); |
| |
| if (!an_changes && link_modes == eth_proto_admin) |
| goto out; |
| |
| mlx5_set_port_ptys(mdev, an_disable, link_modes, MLX5_PTYS_EN); |
| mlx5_toggle_port_link(mdev); |
| |
| out: |
| return err; |
| } |
| |
| static u32 mlx5e_get_rxfh_key_size(struct net_device *netdev) |
| { |
| struct mlx5e_priv *priv = netdev_priv(netdev); |
| |
| return sizeof(priv->params.toeplitz_hash_key); |
| } |
| |
| static u32 mlx5e_get_rxfh_indir_size(struct net_device *netdev) |
| { |
| return MLX5E_INDIR_RQT_SIZE; |
| } |
| |
| static int mlx5e_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key, |
| u8 *hfunc) |
| { |
| struct mlx5e_priv *priv = netdev_priv(netdev); |
| |
| if (indir) |
| memcpy(indir, priv->params.indirection_rqt, |
| sizeof(priv->params.indirection_rqt)); |
| |
| if (key) |
| memcpy(key, priv->params.toeplitz_hash_key, |
| sizeof(priv->params.toeplitz_hash_key)); |
| |
| if (hfunc) |
| *hfunc = priv->params.rss_hfunc; |
| |
| return 0; |
| } |
| |
| static void mlx5e_modify_tirs_hash(struct mlx5e_priv *priv, void *in, int inlen) |
| { |
| struct mlx5_core_dev *mdev = priv->mdev; |
| void *tirc = MLX5_ADDR_OF(modify_tir_in, in, ctx); |
| int i; |
| |
| MLX5_SET(modify_tir_in, in, bitmask.hash, 1); |
| mlx5e_build_tir_ctx_hash(tirc, priv); |
| |
| for (i = 0; i < MLX5E_NUM_INDIR_TIRS; i++) |
| mlx5_core_modify_tir(mdev, priv->indir_tir[i].tirn, in, inlen); |
| } |
| |
| static int mlx5e_set_rxfh(struct net_device *dev, const u32 *indir, |
| const u8 *key, const u8 hfunc) |
| { |
| struct mlx5e_priv *priv = netdev_priv(dev); |
| int inlen = MLX5_ST_SZ_BYTES(modify_tir_in); |
| void *in; |
| |
| if ((hfunc != ETH_RSS_HASH_NO_CHANGE) && |
| (hfunc != ETH_RSS_HASH_XOR) && |
| (hfunc != ETH_RSS_HASH_TOP)) |
| return -EINVAL; |
| |
| in = mlx5_vzalloc(inlen); |
| if (!in) |
| return -ENOMEM; |
| |
| mutex_lock(&priv->state_lock); |
| |
| if (indir) { |
| u32 rqtn = priv->indir_rqt.rqtn; |
| |
| memcpy(priv->params.indirection_rqt, indir, |
| sizeof(priv->params.indirection_rqt)); |
| mlx5e_redirect_rqt(priv, rqtn, MLX5E_INDIR_RQT_SIZE, 0); |
| } |
| |
| if (key) |
| memcpy(priv->params.toeplitz_hash_key, key, |
| sizeof(priv->params.toeplitz_hash_key)); |
| |
| if (hfunc != ETH_RSS_HASH_NO_CHANGE) |
| priv->params.rss_hfunc = hfunc; |
| |
| mlx5e_modify_tirs_hash(priv, in, inlen); |
| |
| mutex_unlock(&priv->state_lock); |
| |
| kvfree(in); |
| |
| return 0; |
| } |
| |
| static int mlx5e_get_rxnfc(struct net_device *netdev, |
| struct ethtool_rxnfc *info, u32 *rule_locs) |
| { |
| struct mlx5e_priv *priv = netdev_priv(netdev); |
| int err = 0; |
| |
| switch (info->cmd) { |
| case ETHTOOL_GRXRINGS: |
| info->data = priv->params.num_channels; |
| break; |
| case ETHTOOL_GRXCLSRLCNT: |
| info->rule_cnt = priv->fs.ethtool.tot_num_rules; |
| break; |
| case ETHTOOL_GRXCLSRULE: |
| err = mlx5e_ethtool_get_flow(priv, info, info->fs.location); |
| break; |
| case ETHTOOL_GRXCLSRLALL: |
| err = mlx5e_ethtool_get_all_flows(priv, info, rule_locs); |
| break; |
| default: |
| err = -EOPNOTSUPP; |
| break; |
| } |
| |
| return err; |
| } |
| |
| static int mlx5e_get_tunable(struct net_device *dev, |
| const struct ethtool_tunable *tuna, |
| void *data) |
| { |
| const struct mlx5e_priv *priv = netdev_priv(dev); |
| int err = 0; |
| |
| switch (tuna->id) { |
| case ETHTOOL_TX_COPYBREAK: |
| *(u32 *)data = priv->params.tx_max_inline; |
| break; |
| default: |
| err = -EINVAL; |
| break; |
| } |
| |
| return err; |
| } |
| |
| static int mlx5e_set_tunable(struct net_device *dev, |
| const struct ethtool_tunable *tuna, |
| const void *data) |
| { |
| struct mlx5e_priv *priv = netdev_priv(dev); |
| struct mlx5_core_dev *mdev = priv->mdev; |
| bool was_opened; |
| u32 val; |
| int err = 0; |
| |
| switch (tuna->id) { |
| case ETHTOOL_TX_COPYBREAK: |
| val = *(u32 *)data; |
| if (val > mlx5e_get_max_inline_cap(mdev)) { |
| err = -EINVAL; |
| break; |
| } |
| |
| mutex_lock(&priv->state_lock); |
| |
| was_opened = test_bit(MLX5E_STATE_OPENED, &priv->state); |
| if (was_opened) |
| mlx5e_close_locked(dev); |
| |
| priv->params.tx_max_inline = val; |
| |
| if (was_opened) |
| err = mlx5e_open_locked(dev); |
| |
| mutex_unlock(&priv->state_lock); |
| break; |
| default: |
| err = -EINVAL; |
| break; |
| } |
| |
| return err; |
| } |
| |
| static void mlx5e_get_pauseparam(struct net_device *netdev, |
| struct ethtool_pauseparam *pauseparam) |
| { |
| struct mlx5e_priv *priv = netdev_priv(netdev); |
| struct mlx5_core_dev *mdev = priv->mdev; |
| int err; |
| |
| err = mlx5_query_port_pause(mdev, &pauseparam->rx_pause, |
| &pauseparam->tx_pause); |
| if (err) { |
| netdev_err(netdev, "%s: mlx5_query_port_pause failed:0x%x\n", |
| __func__, err); |
| } |
| } |
| |
| static int mlx5e_set_pauseparam(struct net_device *netdev, |
| struct ethtool_pauseparam *pauseparam) |
| { |
| struct mlx5e_priv *priv = netdev_priv(netdev); |
| struct mlx5_core_dev *mdev = priv->mdev; |
| int err; |
| |
| if (pauseparam->autoneg) |
| return -EINVAL; |
| |
| err = mlx5_set_port_pause(mdev, |
| pauseparam->rx_pause ? 1 : 0, |
| pauseparam->tx_pause ? 1 : 0); |
| if (err) { |
| netdev_err(netdev, "%s: mlx5_set_port_pause failed:0x%x\n", |
| __func__, err); |
| } |
| |
| return err; |
| } |
| |
| static int mlx5e_get_ts_info(struct net_device *dev, |
| struct ethtool_ts_info *info) |
| { |
| struct mlx5e_priv *priv = netdev_priv(dev); |
| int ret; |
| |
| ret = ethtool_op_get_ts_info(dev, info); |
| if (ret) |
| return ret; |
| |
| info->phc_index = priv->tstamp.ptp ? |
| ptp_clock_index(priv->tstamp.ptp) : -1; |
| |
| if (!MLX5_CAP_GEN(priv->mdev, device_frequency_khz)) |
| return 0; |
| |
| info->so_timestamping |= SOF_TIMESTAMPING_TX_HARDWARE | |
| SOF_TIMESTAMPING_RX_HARDWARE | |
| SOF_TIMESTAMPING_RAW_HARDWARE; |
| |
| info->tx_types = (BIT(1) << HWTSTAMP_TX_OFF) | |
| (BIT(1) << HWTSTAMP_TX_ON); |
| |
| info->rx_filters = (BIT(1) << HWTSTAMP_FILTER_NONE) | |
| (BIT(1) << HWTSTAMP_FILTER_ALL); |
| |
| return 0; |
| } |
| |
| static __u32 mlx5e_get_wol_supported(struct mlx5_core_dev *mdev) |
| { |
| __u32 ret = 0; |
| |
| if (MLX5_CAP_GEN(mdev, wol_g)) |
| ret |= WAKE_MAGIC; |
| |
| if (MLX5_CAP_GEN(mdev, wol_s)) |
| ret |= WAKE_MAGICSECURE; |
| |
| if (MLX5_CAP_GEN(mdev, wol_a)) |
| ret |= WAKE_ARP; |
| |
| if (MLX5_CAP_GEN(mdev, wol_b)) |
| ret |= WAKE_BCAST; |
| |
| if (MLX5_CAP_GEN(mdev, wol_m)) |
| ret |= WAKE_MCAST; |
| |
| if (MLX5_CAP_GEN(mdev, wol_u)) |
| ret |= WAKE_UCAST; |
| |
| if (MLX5_CAP_GEN(mdev, wol_p)) |
| ret |= WAKE_PHY; |
| |
| return ret; |
| } |
| |
| static __u32 mlx5e_refomrat_wol_mode_mlx5_to_linux(u8 mode) |
| { |
| __u32 ret = 0; |
| |
| if (mode & MLX5_WOL_MAGIC) |
| ret |= WAKE_MAGIC; |
| |
| if (mode & MLX5_WOL_SECURED_MAGIC) |
| ret |= WAKE_MAGICSECURE; |
| |
| if (mode & MLX5_WOL_ARP) |
| ret |= WAKE_ARP; |
| |
| if (mode & MLX5_WOL_BROADCAST) |
| ret |= WAKE_BCAST; |
| |
| if (mode & MLX5_WOL_MULTICAST) |
| ret |= WAKE_MCAST; |
| |
| if (mode & MLX5_WOL_UNICAST) |
| ret |= WAKE_UCAST; |
| |
| if (mode & MLX5_WOL_PHY_ACTIVITY) |
| ret |= WAKE_PHY; |
| |
| return ret; |
| } |
| |
| static u8 mlx5e_refomrat_wol_mode_linux_to_mlx5(__u32 mode) |
| { |
| u8 ret = 0; |
| |
| if (mode & WAKE_MAGIC) |
| ret |= MLX5_WOL_MAGIC; |
| |
| if (mode & WAKE_MAGICSECURE) |
| ret |= MLX5_WOL_SECURED_MAGIC; |
| |
| if (mode & WAKE_ARP) |
| ret |= MLX5_WOL_ARP; |
| |
| if (mode & WAKE_BCAST) |
| ret |= MLX5_WOL_BROADCAST; |
| |
| if (mode & WAKE_MCAST) |
| ret |= MLX5_WOL_MULTICAST; |
| |
| if (mode & WAKE_UCAST) |
| ret |= MLX5_WOL_UNICAST; |
| |
| if (mode & WAKE_PHY) |
| ret |= MLX5_WOL_PHY_ACTIVITY; |
| |
| return ret; |
| } |
| |
| static void mlx5e_get_wol(struct net_device *netdev, |
| struct ethtool_wolinfo *wol) |
| { |
| struct mlx5e_priv *priv = netdev_priv(netdev); |
| struct mlx5_core_dev *mdev = priv->mdev; |
| u8 mlx5_wol_mode; |
| int err; |
| |
| memset(wol, 0, sizeof(*wol)); |
| |
| wol->supported = mlx5e_get_wol_supported(mdev); |
| if (!wol->supported) |
| return; |
| |
| err = mlx5_query_port_wol(mdev, &mlx5_wol_mode); |
| if (err) |
| return; |
| |
| wol->wolopts = mlx5e_refomrat_wol_mode_mlx5_to_linux(mlx5_wol_mode); |
| } |
| |
| static int mlx5e_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) |
| { |
| struct mlx5e_priv *priv = netdev_priv(netdev); |
| struct mlx5_core_dev *mdev = priv->mdev; |
| __u32 wol_supported = mlx5e_get_wol_supported(mdev); |
| u32 mlx5_wol_mode; |
| |
| if (!wol_supported) |
| return -ENOTSUPP; |
| |
| if (wol->wolopts & ~wol_supported) |
| return -EINVAL; |
| |
| mlx5_wol_mode = mlx5e_refomrat_wol_mode_linux_to_mlx5(wol->wolopts); |
| |
| return mlx5_set_port_wol(mdev, mlx5_wol_mode); |
| } |
| |
| static int mlx5e_set_phys_id(struct net_device *dev, |
| enum ethtool_phys_id_state state) |
| { |
| struct mlx5e_priv *priv = netdev_priv(dev); |
| struct mlx5_core_dev *mdev = priv->mdev; |
| u16 beacon_duration; |
| |
| if (!MLX5_CAP_GEN(mdev, beacon_led)) |
| return -EOPNOTSUPP; |
| |
| switch (state) { |
| case ETHTOOL_ID_ACTIVE: |
| beacon_duration = MLX5_BEACON_DURATION_INF; |
| break; |
| case ETHTOOL_ID_INACTIVE: |
| beacon_duration = MLX5_BEACON_DURATION_OFF; |
| break; |
| default: |
| return -EOPNOTSUPP; |
| } |
| |
| return mlx5_set_port_beacon(mdev, beacon_duration); |
| } |
| |
| static int mlx5e_get_module_info(struct net_device *netdev, |
| struct ethtool_modinfo *modinfo) |
| { |
| struct mlx5e_priv *priv = netdev_priv(netdev); |
| struct mlx5_core_dev *dev = priv->mdev; |
| int size_read = 0; |
| u8 data[4]; |
| |
| size_read = mlx5_query_module_eeprom(dev, 0, 2, data); |
| if (size_read < 2) |
| return -EIO; |
| |
| /* data[0] = identifier byte */ |
| switch (data[0]) { |
| case MLX5_MODULE_ID_QSFP: |
| modinfo->type = ETH_MODULE_SFF_8436; |
| modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN; |
| break; |
| case MLX5_MODULE_ID_QSFP_PLUS: |
| case MLX5_MODULE_ID_QSFP28: |
| /* data[1] = revision id */ |
| if (data[0] == MLX5_MODULE_ID_QSFP28 || data[1] >= 0x3) { |
| modinfo->type = ETH_MODULE_SFF_8636; |
| modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN; |
| } else { |
| modinfo->type = ETH_MODULE_SFF_8436; |
| modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN; |
| } |
| break; |
| case MLX5_MODULE_ID_SFP: |
| modinfo->type = ETH_MODULE_SFF_8472; |
| modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN; |
| break; |
| default: |
| netdev_err(priv->netdev, "%s: cable type not recognized:0x%x\n", |
| __func__, data[0]); |
| return -EINVAL; |
| } |
| |
| return 0; |
| } |
| |
| static int mlx5e_get_module_eeprom(struct net_device *netdev, |
| struct ethtool_eeprom *ee, |
| u8 *data) |
| { |
| struct mlx5e_priv *priv = netdev_priv(netdev); |
| struct mlx5_core_dev *mdev = priv->mdev; |
| int offset = ee->offset; |
| int size_read; |
| int i = 0; |
| |
| if (!ee->len) |
| return -EINVAL; |
| |
| memset(data, 0, ee->len); |
| |
| while (i < ee->len) { |
| size_read = mlx5_query_module_eeprom(mdev, offset, ee->len - i, |
| data + i); |
| |
| if (!size_read) |
| /* Done reading */ |
| return 0; |
| |
| if (size_read < 0) { |
| netdev_err(priv->netdev, "%s: mlx5_query_eeprom failed:0x%x\n", |
| __func__, size_read); |
| return 0; |
| } |
| |
| i += size_read; |
| offset += size_read; |
| } |
| |
| return 0; |
| } |
| |
| typedef int (*mlx5e_pflag_handler)(struct net_device *netdev, bool enable); |
| |
| static int set_pflag_rx_cqe_based_moder(struct net_device *netdev, bool enable) |
| { |
| struct mlx5e_priv *priv = netdev_priv(netdev); |
| struct mlx5_core_dev *mdev = priv->mdev; |
| bool rx_mode_changed; |
| u8 rx_cq_period_mode; |
| int err = 0; |
| bool reset; |
| |
| rx_cq_period_mode = enable ? |
| MLX5_CQ_PERIOD_MODE_START_FROM_CQE : |
| MLX5_CQ_PERIOD_MODE_START_FROM_EQE; |
| rx_mode_changed = rx_cq_period_mode != priv->params.rx_cq_period_mode; |
| |
| if (rx_cq_period_mode == MLX5_CQ_PERIOD_MODE_START_FROM_CQE && |
| !MLX5_CAP_GEN(mdev, cq_period_start_from_cqe)) |
| return -ENOTSUPP; |
| |
| if (!rx_mode_changed) |
| return 0; |
| |
| reset = test_bit(MLX5E_STATE_OPENED, &priv->state); |
| if (reset) |
| mlx5e_close_locked(netdev); |
| |
| mlx5e_set_rx_cq_mode_params(&priv->params, rx_cq_period_mode); |
| |
| if (reset) |
| err = mlx5e_open_locked(netdev); |
| |
| return err; |
| } |
| |
| static int mlx5e_handle_pflag(struct net_device *netdev, |
| u32 wanted_flags, |
| enum mlx5e_priv_flag flag, |
| mlx5e_pflag_handler pflag_handler) |
| { |
| struct mlx5e_priv *priv = netdev_priv(netdev); |
| bool enable = !!(wanted_flags & flag); |
| u32 changes = wanted_flags ^ priv->pflags; |
| int err; |
| |
| if (!(changes & flag)) |
| return 0; |
| |
| err = pflag_handler(netdev, enable); |
| if (err) { |
| netdev_err(netdev, "%s private flag 0x%x failed err %d\n", |
| enable ? "Enable" : "Disable", flag, err); |
| return err; |
| } |
| |
| MLX5E_SET_PRIV_FLAG(priv, flag, enable); |
| return 0; |
| } |
| |
| static int mlx5e_set_priv_flags(struct net_device *netdev, u32 pflags) |
| { |
| struct mlx5e_priv *priv = netdev_priv(netdev); |
| int err; |
| |
| mutex_lock(&priv->state_lock); |
| |
| err = mlx5e_handle_pflag(netdev, pflags, |
| MLX5E_PFLAG_RX_CQE_BASED_MODER, |
| set_pflag_rx_cqe_based_moder); |
| |
| mutex_unlock(&priv->state_lock); |
| return err ? -EINVAL : 0; |
| } |
| |
| static u32 mlx5e_get_priv_flags(struct net_device *netdev) |
| { |
| struct mlx5e_priv *priv = netdev_priv(netdev); |
| |
| return priv->pflags; |
| } |
| |
| static int mlx5e_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd) |
| { |
| int err = 0; |
| struct mlx5e_priv *priv = netdev_priv(dev); |
| |
| switch (cmd->cmd) { |
| case ETHTOOL_SRXCLSRLINS: |
| err = mlx5e_ethtool_flow_replace(priv, &cmd->fs); |
| break; |
| case ETHTOOL_SRXCLSRLDEL: |
| err = mlx5e_ethtool_flow_remove(priv, cmd->fs.location); |
| break; |
| default: |
| err = -EOPNOTSUPP; |
| break; |
| } |
| |
| return err; |
| } |
| |
| const struct ethtool_ops mlx5e_ethtool_ops = { |
| .get_drvinfo = mlx5e_get_drvinfo, |
| .get_link = ethtool_op_get_link, |
| .get_strings = mlx5e_get_strings, |
| .get_sset_count = mlx5e_get_sset_count, |
| .get_ethtool_stats = mlx5e_get_ethtool_stats, |
| .get_ringparam = mlx5e_get_ringparam, |
| .set_ringparam = mlx5e_set_ringparam, |
| .get_channels = mlx5e_get_channels, |
| .set_channels = mlx5e_set_channels, |
| .get_coalesce = mlx5e_get_coalesce, |
| .set_coalesce = mlx5e_set_coalesce, |
| .get_link_ksettings = mlx5e_get_link_ksettings, |
| .set_link_ksettings = mlx5e_set_link_ksettings, |
| .get_rxfh_key_size = mlx5e_get_rxfh_key_size, |
| .get_rxfh_indir_size = mlx5e_get_rxfh_indir_size, |
| .get_rxfh = mlx5e_get_rxfh, |
| .set_rxfh = mlx5e_set_rxfh, |
| .get_rxnfc = mlx5e_get_rxnfc, |
| .set_rxnfc = mlx5e_set_rxnfc, |
| .get_tunable = mlx5e_get_tunable, |
| .set_tunable = mlx5e_set_tunable, |
| .get_pauseparam = mlx5e_get_pauseparam, |
| .set_pauseparam = mlx5e_set_pauseparam, |
| .get_ts_info = mlx5e_get_ts_info, |
| .set_phys_id = mlx5e_set_phys_id, |
| .get_wol = mlx5e_get_wol, |
| .set_wol = mlx5e_set_wol, |
| .get_module_info = mlx5e_get_module_info, |
| .get_module_eeprom = mlx5e_get_module_eeprom, |
| .get_priv_flags = mlx5e_get_priv_flags, |
| .set_priv_flags = mlx5e_set_priv_flags |
| }; |