diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c | 981 |
1 files changed, 723 insertions, 258 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c index d674cb679895..24aa25da482b 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c @@ -30,24 +30,27 @@ * SOFTWARE. */ +#include <linux/ethtool_netlink.h> + #include "en.h" #include "en/port.h" -#include "en/xsk/umem.h" +#include "en/params.h" +#include "en/xsk/pool.h" +#include "en/ptp.h" #include "lib/clock.h" +#include "en/fs_ethtool.h" void mlx5e_ethtool_get_drvinfo(struct mlx5e_priv *priv, struct ethtool_drvinfo *drvinfo) { struct mlx5_core_dev *mdev = priv->mdev; - strlcpy(drvinfo->driver, DRIVER_NAME, sizeof(drvinfo->driver)); - strlcpy(drvinfo->version, DRIVER_VERSION, - sizeof(drvinfo->version)); + strscpy(drvinfo->driver, KBUILD_MODNAME, sizeof(drvinfo->driver)); snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), "%d.%d.%04d (%.16s)", fw_rev_maj(mdev), fw_rev_min(mdev), fw_rev_sub(mdev), mdev->board_id); - strlcpy(drvinfo->bus_info, dev_name(mdev->device), + strscpy(drvinfo->bus_info, dev_name(mdev->device), sizeof(drvinfo->bus_info)); } @@ -194,13 +197,31 @@ void mlx5e_build_ptys2ethtool_map(void) ETHTOOL_LINK_MODE_200000baseLR4_ER4_FR4_Full_BIT, ETHTOOL_LINK_MODE_200000baseDR4_Full_BIT, ETHTOOL_LINK_MODE_200000baseCR4_Full_BIT); + MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_100GAUI_1_100GBASE_CR_KR, ext, + ETHTOOL_LINK_MODE_100000baseKR_Full_BIT, + ETHTOOL_LINK_MODE_100000baseSR_Full_BIT, + ETHTOOL_LINK_MODE_100000baseLR_ER_FR_Full_BIT, + ETHTOOL_LINK_MODE_100000baseDR_Full_BIT, + ETHTOOL_LINK_MODE_100000baseCR_Full_BIT); + MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_200GAUI_2_200GBASE_CR2_KR2, ext, + ETHTOOL_LINK_MODE_200000baseKR2_Full_BIT, + ETHTOOL_LINK_MODE_200000baseSR2_Full_BIT, + ETHTOOL_LINK_MODE_200000baseLR2_ER2_FR2_Full_BIT, + ETHTOOL_LINK_MODE_200000baseDR2_Full_BIT, + ETHTOOL_LINK_MODE_200000baseCR2_Full_BIT); + MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_400GAUI_4_400GBASE_CR4_KR4, ext, + ETHTOOL_LINK_MODE_400000baseKR4_Full_BIT, + ETHTOOL_LINK_MODE_400000baseSR4_Full_BIT, + ETHTOOL_LINK_MODE_400000baseLR4_ER4_FR4_Full_BIT, + ETHTOOL_LINK_MODE_400000baseDR4_Full_BIT, + ETHTOOL_LINK_MODE_400000baseCR4_Full_BIT); } static void mlx5e_ethtool_get_speed_arr(struct mlx5_core_dev *mdev, struct ptys2ethtool_config **arr, u32 *size) { - bool ext = MLX5_CAP_PCAM_FEATURE(mdev, ptys_extended_ethernet); + bool ext = mlx5e_ptys_ext_supported(mdev); *arr = ext ? ptys2ext_ethtool_table : ptys2legacy_ethtool_table; *size = ext ? ARRAY_SIZE(ptys2ext_ethtool_table) : @@ -225,7 +246,6 @@ int mlx5e_ethtool_get_sset_count(struct mlx5e_priv *priv, int sset) return MLX5E_NUM_PFLAGS; case ETH_SS_TEST: return mlx5e_self_test_num(priv); - /* fallthrough */ default: return -EOPNOTSUPP; } @@ -250,9 +270,7 @@ void mlx5e_ethtool_get_strings(struct mlx5e_priv *priv, u32 stringset, u8 *data) break; case ETH_SS_TEST: - for (i = 0; i < mlx5e_self_test_num(priv); i++) - strcpy(data + i * ETH_GSTRING_LEN, - mlx5e_self_tests[i]); + mlx5e_self_test_fill_strings(priv, data); break; case ETH_SS_STATS: @@ -290,26 +308,42 @@ static void mlx5e_get_ethtool_stats(struct net_device *dev, } void mlx5e_ethtool_get_ringparam(struct mlx5e_priv *priv, - struct ethtool_ringparam *param) + struct ethtool_ringparam *param, + struct kernel_ethtool_ringparam *kernel_param) { - param->rx_max_pending = 1 << MLX5E_PARAMS_MAXIMUM_LOG_RQ_SIZE; + /* Limitation for regular RQ. XSK RQ may clamp the queue length in + * mlx5e_mpwqe_get_log_rq_size. + */ + u8 max_log_mpwrq_pkts = mlx5e_mpwrq_max_log_rq_pkts(priv->mdev, + PAGE_SHIFT, + MLX5E_MPWRQ_UMR_MODE_ALIGNED); + + param->rx_max_pending = 1 << min_t(u8, MLX5E_PARAMS_MAXIMUM_LOG_RQ_SIZE, + max_log_mpwrq_pkts); param->tx_max_pending = 1 << MLX5E_PARAMS_MAXIMUM_LOG_SQ_SIZE; param->rx_pending = 1 << priv->channels.params.log_rq_mtu_frames; param->tx_pending = 1 << priv->channels.params.log_sq_size; + + kernel_param->tcp_data_split = + (priv->channels.params.packet_merge.type == MLX5E_PACKET_MERGE_SHAMPO) ? + ETHTOOL_TCP_DATA_SPLIT_ENABLED : + ETHTOOL_TCP_DATA_SPLIT_DISABLED; } static void mlx5e_get_ringparam(struct net_device *dev, - struct ethtool_ringparam *param) + struct ethtool_ringparam *param, + struct kernel_ethtool_ringparam *kernel_param, + struct netlink_ext_ack *extack) { struct mlx5e_priv *priv = netdev_priv(dev); - mlx5e_ethtool_get_ringparam(priv, param); + mlx5e_ethtool_get_ringparam(priv, param, kernel_param); } int mlx5e_ethtool_set_ringparam(struct mlx5e_priv *priv, struct ethtool_ringparam *param) { - struct mlx5e_channels new_channels = {}; + struct mlx5e_params new_params; u8 log_rq_size; u8 log_sq_size; int err = 0; @@ -348,16 +382,15 @@ int mlx5e_ethtool_set_ringparam(struct mlx5e_priv *priv, mutex_lock(&priv->state_lock); - new_channels.params = priv->channels.params; - new_channels.params.log_rq_mtu_frames = log_rq_size; - new_channels.params.log_sq_size = log_sq_size; + new_params = priv->channels.params; + new_params.log_rq_mtu_frames = log_rq_size; + new_params.log_sq_size = log_sq_size; - if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) { - priv->channels.params = new_channels.params; + err = mlx5e_validate_params(priv->mdev, &new_params); + if (err) goto unlock; - } - err = mlx5e_safe_switch_channels(priv, &new_channels, NULL); + err = mlx5e_safe_switch_params(priv, &new_params, NULL, NULL, true); unlock: mutex_unlock(&priv->state_lock); @@ -366,7 +399,9 @@ unlock: } static int mlx5e_set_ringparam(struct net_device *dev, - struct ethtool_ringparam *param) + struct ethtool_ringparam *param, + struct kernel_ethtool_ringparam *kernel_param, + struct netlink_ext_ack *extack) { struct mlx5e_priv *priv = netdev_priv(dev); @@ -402,8 +437,10 @@ int mlx5e_ethtool_set_channels(struct mlx5e_priv *priv, { struct mlx5e_params *cur_params = &priv->channels.params; unsigned int count = ch->combined_count; - struct mlx5e_channels new_channels = {}; + struct mlx5e_params new_params; bool arfs_enabled; + int rss_cnt; + bool opened; int err = 0; if (!count) { @@ -427,30 +464,53 @@ int mlx5e_ethtool_set_channels(struct mlx5e_priv *priv, goto out; } - new_channels.params = priv->channels.params; - new_channels.params.num_channels = count; + /* Don't allow changing the number of channels if HTB offload is active, + * because the numeration of the QoS SQs will change, while per-queue + * qdiscs are attached. + */ + if (mlx5e_selq_is_htb_enabled(&priv->selq)) { + err = -EINVAL; + netdev_err(priv->netdev, "%s: HTB offload is active, cannot change the number of channels\n", + __func__); + goto out; + } - if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) { - *cur_params = new_channels.params; - if (!netif_is_rxfh_configured(priv->netdev)) - mlx5e_build_default_indir_rqt(priv->rss_params.indirection_rqt, - MLX5E_INDIR_RQT_SIZE, count); + /* Don't allow changing the number of channels if non-default RSS contexts exist, + * the kernel doesn't protect against set_channels operations that break them. + */ + rss_cnt = mlx5e_rx_res_rss_cnt(priv->rx_res) - 1; + if (rss_cnt) { + err = -EINVAL; + netdev_err(priv->netdev, "%s: Non-default RSS contexts exist (%d), cannot change the number of channels\n", + __func__, rss_cnt); goto out; } - arfs_enabled = priv->netdev->features & NETIF_F_NTUPLE; - if (arfs_enabled) - mlx5e_arfs_disable(priv); + /* Don't allow changing the number of channels if MQPRIO mode channel offload is active, + * because it defines a partition over the channels queues. + */ + if (cur_params->mqprio.mode == TC_MQPRIO_MODE_CHANNEL) { + err = -EINVAL; + netdev_err(priv->netdev, "%s: MQPRIO mode channel offload is active, cannot change the number of channels\n", + __func__); + goto out; + } - if (!netif_is_rxfh_configured(priv->netdev)) - mlx5e_build_default_indir_rqt(priv->rss_params.indirection_rqt, - MLX5E_INDIR_RQT_SIZE, count); + new_params = *cur_params; + new_params.num_channels = count; + + opened = test_bit(MLX5E_STATE_OPENED, &priv->state); + + arfs_enabled = opened && (priv->netdev->features & NETIF_F_NTUPLE); + if (arfs_enabled) + mlx5e_arfs_disable(priv->fs); /* Switch to new channels, set new parameters and close old ones */ - err = mlx5e_safe_switch_channels(priv, &new_channels, NULL); + err = mlx5e_safe_switch_params(priv, &new_params, + mlx5e_num_channels_changed_ctx, NULL, true); if (arfs_enabled) { - int err2 = mlx5e_arfs_enable(priv); + int err2 = mlx5e_arfs_enable(priv->fs); if (err2) netdev_err(priv->netdev, "%s: mlx5e_arfs_enable failed: %d\n", @@ -472,7 +532,8 @@ static int mlx5e_set_channels(struct net_device *dev, } int mlx5e_ethtool_get_coalesce(struct mlx5e_priv *priv, - struct ethtool_coalesce *coal) + struct ethtool_coalesce *coal, + struct kernel_ethtool_coalesce *kernel_coal) { struct dim_cq_moder *rx_moder, *tx_moder; @@ -489,22 +550,29 @@ int mlx5e_ethtool_get_coalesce(struct mlx5e_priv *priv, coal->tx_max_coalesced_frames = tx_moder->pkts; coal->use_adaptive_tx_coalesce = priv->channels.params.tx_dim_enabled; + kernel_coal->use_cqe_mode_rx = + MLX5E_GET_PFLAG(&priv->channels.params, MLX5E_PFLAG_RX_CQE_BASED_MODER); + kernel_coal->use_cqe_mode_tx = + MLX5E_GET_PFLAG(&priv->channels.params, MLX5E_PFLAG_TX_CQE_BASED_MODER); + return 0; } static int mlx5e_get_coalesce(struct net_device *netdev, - struct ethtool_coalesce *coal) + struct ethtool_coalesce *coal, + struct kernel_ethtool_coalesce *kernel_coal, + struct netlink_ext_ack *extack) { struct mlx5e_priv *priv = netdev_priv(netdev); - return mlx5e_ethtool_get_coalesce(priv, coal); + return mlx5e_ethtool_get_coalesce(priv, coal, kernel_coal); } #define MLX5E_MAX_COAL_TIME MLX5_MAX_CQ_PERIOD #define MLX5E_MAX_COAL_FRAMES MLX5_MAX_CQ_COUNT static void -mlx5e_set_priv_channels_coalesce(struct mlx5e_priv *priv, struct ethtool_coalesce *coal) +mlx5e_set_priv_channels_tx_coalesce(struct mlx5e_priv *priv, struct ethtool_coalesce *coal) { struct mlx5_core_dev *mdev = priv->mdev; int tc; @@ -519,6 +587,17 @@ mlx5e_set_priv_channels_coalesce(struct mlx5e_priv *priv, struct ethtool_coalesc coal->tx_coalesce_usecs, coal->tx_max_coalesced_frames); } + } +} + +static void +mlx5e_set_priv_channels_rx_coalesce(struct mlx5e_priv *priv, struct ethtool_coalesce *coal) +{ + struct mlx5_core_dev *mdev = priv->mdev; + int i; + + for (i = 0; i < priv->channels.num; ++i) { + struct mlx5e_channel *c = priv->channels.c[i]; mlx5_core_modify_cq_moderation(mdev, &c->rq.cq.mcq, coal->rx_coalesce_usecs, @@ -526,14 +605,27 @@ mlx5e_set_priv_channels_coalesce(struct mlx5e_priv *priv, struct ethtool_coalesc } } +/* convert a boolean value of cq_mode to mlx5 period mode + * true : MLX5_CQ_PERIOD_MODE_START_FROM_CQE + * false : MLX5_CQ_PERIOD_MODE_START_FROM_EQE + */ +static int cqe_mode_to_period_mode(bool val) +{ + return val ? MLX5_CQ_PERIOD_MODE_START_FROM_CQE : MLX5_CQ_PERIOD_MODE_START_FROM_EQE; +} + int mlx5e_ethtool_set_coalesce(struct mlx5e_priv *priv, - struct ethtool_coalesce *coal) + struct ethtool_coalesce *coal, + struct kernel_ethtool_coalesce *kernel_coal, + struct netlink_ext_ack *extack) { struct dim_cq_moder *rx_moder, *tx_moder; struct mlx5_core_dev *mdev = priv->mdev; - struct mlx5e_channels new_channels = {}; + struct mlx5e_params new_params; + bool reset_rx, reset_tx; + bool reset = true; + u8 cq_period_mode; int err = 0; - bool reset; if (!MLX5_CAP_GEN(mdev, cq_moderation)) return -EOPNOTSUPP; @@ -552,47 +644,78 @@ int mlx5e_ethtool_set_coalesce(struct mlx5e_priv *priv, return -ERANGE; } + if ((kernel_coal->use_cqe_mode_rx || kernel_coal->use_cqe_mode_tx) && + !MLX5_CAP_GEN(priv->mdev, cq_period_start_from_cqe)) { + NL_SET_ERR_MSG_MOD(extack, "cqe_mode_rx/tx is not supported on this device"); + return -EOPNOTSUPP; + } + mutex_lock(&priv->state_lock); - new_channels.params = priv->channels.params; + new_params = priv->channels.params; - rx_moder = &new_channels.params.rx_cq_moderation; + rx_moder = &new_params.rx_cq_moderation; rx_moder->usec = coal->rx_coalesce_usecs; rx_moder->pkts = coal->rx_max_coalesced_frames; - new_channels.params.rx_dim_enabled = !!coal->use_adaptive_rx_coalesce; + new_params.rx_dim_enabled = !!coal->use_adaptive_rx_coalesce; - tx_moder = &new_channels.params.tx_cq_moderation; + tx_moder = &new_params.tx_cq_moderation; tx_moder->usec = coal->tx_coalesce_usecs; tx_moder->pkts = coal->tx_max_coalesced_frames; - new_channels.params.tx_dim_enabled = !!coal->use_adaptive_tx_coalesce; + new_params.tx_dim_enabled = !!coal->use_adaptive_tx_coalesce; - if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) { - priv->channels.params = new_channels.params; - goto out; + reset_rx = !!coal->use_adaptive_rx_coalesce != priv->channels.params.rx_dim_enabled; + reset_tx = !!coal->use_adaptive_tx_coalesce != priv->channels.params.tx_dim_enabled; + + cq_period_mode = cqe_mode_to_period_mode(kernel_coal->use_cqe_mode_rx); + if (cq_period_mode != rx_moder->cq_period_mode) { + mlx5e_set_rx_cq_mode_params(&new_params, cq_period_mode); + reset_rx = true; } - /* we are opened */ - reset = (!!coal->use_adaptive_rx_coalesce != priv->channels.params.rx_dim_enabled) || - (!!coal->use_adaptive_tx_coalesce != priv->channels.params.tx_dim_enabled); + cq_period_mode = cqe_mode_to_period_mode(kernel_coal->use_cqe_mode_tx); + if (cq_period_mode != tx_moder->cq_period_mode) { + mlx5e_set_tx_cq_mode_params(&new_params, cq_period_mode); + reset_tx = true; + } - if (!reset) { - mlx5e_set_priv_channels_coalesce(priv, coal); - priv->channels.params = new_channels.params; - goto out; + if (reset_rx) { + u8 mode = MLX5E_GET_PFLAG(&new_params, + MLX5E_PFLAG_RX_CQE_BASED_MODER); + + mlx5e_reset_rx_moderation(&new_params, mode); } + if (reset_tx) { + u8 mode = MLX5E_GET_PFLAG(&new_params, + MLX5E_PFLAG_TX_CQE_BASED_MODER); - err = mlx5e_safe_switch_channels(priv, &new_channels, NULL); + mlx5e_reset_tx_moderation(&new_params, mode); + } + + /* If DIM state hasn't changed, it's possible to modify interrupt + * moderation parameters on the fly, even if the channels are open. + */ + if (!reset_rx && !reset_tx && test_bit(MLX5E_STATE_OPENED, &priv->state)) { + if (!coal->use_adaptive_rx_coalesce) + mlx5e_set_priv_channels_rx_coalesce(priv, coal); + if (!coal->use_adaptive_tx_coalesce) + mlx5e_set_priv_channels_tx_coalesce(priv, coal); + reset = false; + } + + err = mlx5e_safe_switch_params(priv, &new_params, NULL, NULL, reset); -out: mutex_unlock(&priv->state_lock); return err; } static int mlx5e_set_coalesce(struct net_device *netdev, - struct ethtool_coalesce *coal) + struct ethtool_coalesce *coal, + struct kernel_ethtool_coalesce *kernel_coal, + struct netlink_ext_ack *extack) { - struct mlx5e_priv *priv = netdev_priv(netdev); + struct mlx5e_priv *priv = netdev_priv(netdev); - return mlx5e_ethtool_set_coalesce(priv, coal); + return mlx5e_ethtool_set_coalesce(priv, coal, kernel_coal, extack); } static void ptys2ethtool_supported_link(struct mlx5_core_dev *mdev, @@ -633,6 +756,8 @@ static const u32 pplm_fec_2_ethtool[] = { [MLX5E_FEC_NOFEC] = ETHTOOL_FEC_OFF, [MLX5E_FEC_FIRECODE] = ETHTOOL_FEC_BASER, [MLX5E_FEC_RS_528_514] = ETHTOOL_FEC_RS, + [MLX5E_FEC_RS_544_514] = ETHTOOL_FEC_RS, + [MLX5E_FEC_LLRS_272_257_1] = ETHTOOL_FEC_LLRS, }; static u32 pplm2ethtool_fec(u_long fec_mode, unsigned long size) @@ -650,54 +775,59 @@ static u32 pplm2ethtool_fec(u_long fec_mode, unsigned long size) return 0; } -/* we use ETHTOOL_FEC_* offset and apply it to ETHTOOL_LINK_MODE_FEC_*_BIT */ -static u32 ethtool_fec2ethtool_caps(u_long ethtool_fec_code) -{ - u32 offset; +#define MLX5E_ADVERTISE_SUPPORTED_FEC(mlx5_fec, ethtool_fec) \ + do { \ + if (mlx5e_fec_in_caps(dev, 1 << (mlx5_fec))) \ + __set_bit(ethtool_fec, \ + link_ksettings->link_modes.supported);\ + } while (0) - offset = find_first_bit(ðtool_fec_code, sizeof(u32)); - offset -= ETHTOOL_FEC_OFF_BIT; - offset += ETHTOOL_LINK_MODE_FEC_NONE_BIT; - - return offset; -} +static const u32 pplm_fec_2_ethtool_linkmodes[] = { + [MLX5E_FEC_NOFEC] = ETHTOOL_LINK_MODE_FEC_NONE_BIT, + [MLX5E_FEC_FIRECODE] = ETHTOOL_LINK_MODE_FEC_BASER_BIT, + [MLX5E_FEC_RS_528_514] = ETHTOOL_LINK_MODE_FEC_RS_BIT, + [MLX5E_FEC_RS_544_514] = ETHTOOL_LINK_MODE_FEC_RS_BIT, + [MLX5E_FEC_LLRS_272_257_1] = ETHTOOL_LINK_MODE_FEC_LLRS_BIT, +}; static int get_fec_supported_advertised(struct mlx5_core_dev *dev, struct ethtool_link_ksettings *link_ksettings) { - u_long fec_caps = 0; - u32 active_fec = 0; - u32 offset; + unsigned long active_fec_long; + u32 active_fec; u32 bitn; int err; - err = mlx5e_get_fec_caps(dev, (u8 *)&fec_caps); - if (err) - return (err == -EOPNOTSUPP) ? 0 : err; - err = mlx5e_get_fec_mode(dev, &active_fec, NULL); if (err) - return err; - - for_each_set_bit(bitn, &fec_caps, ARRAY_SIZE(pplm_fec_2_ethtool)) { - u_long ethtool_bitmask = pplm_fec_2_ethtool[bitn]; - - offset = ethtool_fec2ethtool_caps(ethtool_bitmask); - __set_bit(offset, link_ksettings->link_modes.supported); - } + return (err == -EOPNOTSUPP) ? 0 : err; - active_fec = pplm2ethtool_fec(active_fec, sizeof(u32) * BITS_PER_BYTE); - offset = ethtool_fec2ethtool_caps(active_fec); - __set_bit(offset, link_ksettings->link_modes.advertising); + MLX5E_ADVERTISE_SUPPORTED_FEC(MLX5E_FEC_NOFEC, + ETHTOOL_LINK_MODE_FEC_NONE_BIT); + MLX5E_ADVERTISE_SUPPORTED_FEC(MLX5E_FEC_FIRECODE, + ETHTOOL_LINK_MODE_FEC_BASER_BIT); + MLX5E_ADVERTISE_SUPPORTED_FEC(MLX5E_FEC_RS_528_514, + ETHTOOL_LINK_MODE_FEC_RS_BIT); + MLX5E_ADVERTISE_SUPPORTED_FEC(MLX5E_FEC_LLRS_272_257_1, + ETHTOOL_LINK_MODE_FEC_LLRS_BIT); + + active_fec_long = active_fec; + /* active fec is a bit set, find out which bit is set and + * advertise the corresponding ethtool bit + */ + bitn = find_first_bit(&active_fec_long, sizeof(active_fec_long) * BITS_PER_BYTE); + if (bitn < ARRAY_SIZE(pplm_fec_2_ethtool_linkmodes)) + __set_bit(pplm_fec_2_ethtool_linkmodes[bitn], + link_ksettings->link_modes.advertising); return 0; } -static void ptys2ethtool_supported_advertised_port(struct ethtool_link_ksettings *link_ksettings, - u32 eth_proto_cap, - u8 connector_type, bool ext) +static void ptys2ethtool_supported_advertised_port(struct mlx5_core_dev *mdev, + struct ethtool_link_ksettings *link_ksettings, + u32 eth_proto_cap, u8 connector_type) { - if ((!connector_type && !ext) || connector_type >= MLX5E_CONNECTOR_TYPE_NUMBER) { + if (!MLX5_CAP_PCAM_FEATURE(mdev, ptys_connector_type)) { if (eth_proto_cap & (MLX5E_PROT_MASK(MLX5E_10GBASE_CR) | MLX5E_PROT_MASK(MLX5E_10GBASE_SR) | MLX5E_PROT_MASK(MLX5E_40GBASE_CR4) @@ -773,6 +903,7 @@ static void ptys2ethtool_supported_advertised_port(struct ethtool_link_ksettings static void get_speed_duplex(struct net_device *netdev, u32 eth_proto_oper, bool force_legacy, + u16 data_rate_oper, struct ethtool_link_ksettings *link_ksettings) { struct mlx5e_priv *priv = netdev_priv(netdev); @@ -784,7 +915,10 @@ static void get_speed_duplex(struct net_device *netdev, speed = mlx5e_port_ptys2speed(priv->mdev, eth_proto_oper, force_legacy); if (!speed) { - speed = SPEED_UNKNOWN; + if (data_rate_oper) + speed = 100 * data_rate_oper; + else + speed = SPEED_UNKNOWN; goto out; } @@ -829,9 +963,9 @@ static int ptys2connector_type[MLX5E_CONNECTOR_TYPE_NUMBER] = { [MLX5E_PORT_OTHER] = PORT_OTHER, }; -static u8 get_connector_port(u32 eth_proto, u8 connector_type, bool ext) +static u8 get_connector_port(struct mlx5_core_dev *mdev, u32 eth_proto, u8 connector_type) { - if ((connector_type || ext) && connector_type < MLX5E_CONNECTOR_TYPE_NUMBER) + if (MLX5_CAP_PCAM_FEATURE(mdev, ptys_connector_type)) return ptys2connector_type[connector_type]; if (eth_proto & @@ -864,7 +998,7 @@ static void get_lp_advertising(struct mlx5_core_dev *mdev, u32 eth_proto_lp, struct ethtool_link_ksettings *link_ksettings) { unsigned long *lp_advertising = link_ksettings->link_modes.lp_advertising; - bool ext = MLX5_CAP_PCAM_FEATURE(mdev, ptys_extended_ethernet); + bool ext = mlx5e_ptys_ext_supported(mdev); ptys2ethtool_adver_link(lp_advertising, eth_proto_lp, ext); } @@ -873,17 +1007,18 @@ int mlx5e_ethtool_get_link_ksettings(struct mlx5e_priv *priv, struct ethtool_link_ksettings *link_ksettings) { struct mlx5_core_dev *mdev = priv->mdev; - u32 out[MLX5_ST_SZ_DW(ptys_reg)] = {0}; - u32 rx_pause = 0; - u32 tx_pause = 0; - u32 eth_proto_cap; + u32 out[MLX5_ST_SZ_DW(ptys_reg)] = {}; u32 eth_proto_admin; - u32 eth_proto_lp; - u32 eth_proto_oper; u8 an_disable_admin; - u8 an_status; + u16 data_rate_oper; + u32 eth_proto_oper; + u32 eth_proto_cap; u8 connector_type; + u32 rx_pause = 0; + u32 tx_pause = 0; + u32 eth_proto_lp; bool admin_ext; + u8 an_status; bool ext; int err; @@ -893,7 +1028,7 @@ int mlx5e_ethtool_get_link_ksettings(struct mlx5e_priv *priv, __func__, err); goto err_query_regs; } - ext = MLX5_CAP_PCAM_FEATURE(mdev, ptys_extended_ethernet); + ext = !!MLX5_GET_ETH_PROTO(ptys_reg, out, true, eth_proto_capability); eth_proto_cap = MLX5_GET_ETH_PROTO(ptys_reg, out, ext, eth_proto_capability); eth_proto_admin = MLX5_GET_ETH_PROTO(ptys_reg, out, ext, @@ -917,6 +1052,7 @@ int mlx5e_ethtool_get_link_ksettings(struct mlx5e_priv *priv, an_disable_admin = MLX5_GET(ptys_reg, out, an_disable_admin); an_status = MLX5_GET(ptys_reg, out, an_status); connector_type = MLX5_GET(ptys_reg, out, connector_type); + data_rate_oper = MLX5_GET(ptys_reg, out, data_rate_oper); mlx5_query_port_pause(mdev, &rx_pause, &tx_pause); @@ -927,14 +1063,14 @@ int mlx5e_ethtool_get_link_ksettings(struct mlx5e_priv *priv, get_advertising(eth_proto_admin, tx_pause, rx_pause, link_ksettings, admin_ext); get_speed_duplex(priv->netdev, eth_proto_oper, !admin_ext, - link_ksettings); + data_rate_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, - connector_type, ext); - ptys2ethtool_supported_advertised_port(link_ksettings, eth_proto_admin, - connector_type, ext); + connector_type = connector_type < MLX5E_CONNECTOR_TYPE_NUMBER ? + connector_type : MLX5E_PORT_UNKNOWN; + link_ksettings->base.port = get_connector_port(mdev, eth_proto_oper, connector_type); + ptys2ethtool_supported_advertised_port(mdev, link_ksettings, eth_proto_admin, + connector_type); get_lp_advertising(mdev, eth_proto_lp, link_ksettings); if (an_status == MLX5_AN_COMPLETE) @@ -969,6 +1105,22 @@ static int mlx5e_get_link_ksettings(struct net_device *netdev, return mlx5e_ethtool_get_link_ksettings(priv, link_ksettings); } +static int mlx5e_speed_validate(struct net_device *netdev, bool ext, + const unsigned long link_modes, u8 autoneg) +{ + /* Extended link-mode has no speed limitations. */ + if (ext) + return 0; + + if ((link_modes & MLX5E_PROT_MASK(MLX5E_56GBASE_R4)) && + autoneg != AUTONEG_ENABLE) { + netdev_err(netdev, "%s: 56G link speed requires autoneg enabled\n", + __func__); + return -EINVAL; + } + return 0; +} + static u32 mlx5e_ethtool2ptys_adver_link(const unsigned long *link_modes) { u32 i, ptys_modes = 0; @@ -991,7 +1143,8 @@ static u32 mlx5e_ethtool2ptys_ext_adver_link(const unsigned long *link_modes) unsigned long modes[2]; for (i = 0; i < MLX5E_EXT_LINK_MODES_NUMBER; ++i) { - if (*ptys2ext_ethtool_table[i].advertised == 0) + if (ptys2ext_ethtool_table[i].advertised[0] == 0 && + ptys2ext_ethtool_table[i].advertised[1] == 0) continue; memset(modes, 0, sizeof(modes)); bitmap_and(modes, ptys2ext_ethtool_table[i].advertised, @@ -1045,7 +1198,7 @@ int mlx5e_ethtool_set_link_ksettings(struct mlx5e_priv *priv, autoneg = link_ksettings->base.autoneg; speed = link_ksettings->base.speed; - ext_supported = MLX5_CAP_PCAM_FEATURE(mdev, ptys_extended_ethernet); + ext_supported = mlx5e_ptys_ext_supported(mdev); ext = ext_requested(autoneg, adver, ext_supported); if (!ext_supported && ext) return -EOPNOTSUPP; @@ -1061,13 +1214,9 @@ int mlx5e_ethtool_set_link_ksettings(struct mlx5e_priv *priv, link_modes = autoneg == AUTONEG_ENABLE ? ethtool2ptys_adver_func(adver) : mlx5e_port_speed2linkmodes(mdev, speed, !ext); - if ((link_modes & MLX5E_PROT_MASK(MLX5E_56GBASE_R4)) && - autoneg != AUTONEG_ENABLE) { - netdev_err(priv->netdev, "%s: 56G link speed requires autoneg enabled\n", - __func__); - err = -EINVAL; + err = mlx5e_speed_validate(priv->netdev, ext, link_modes, autoneg); + if (err) goto out; - } link_modes = link_modes & eproto.cap; if (!link_modes) { @@ -1104,7 +1253,7 @@ static int mlx5e_set_link_ksettings(struct net_device *netdev, u32 mlx5e_ethtool_get_rxfh_key_size(struct mlx5e_priv *priv) { - return sizeof(priv->rss_params.toeplitz_hash_key); + return sizeof_field(struct mlx5e_rss_params_hash, toeplitz_hash_key); } static u32 mlx5e_get_rxfh_key_size(struct net_device *netdev) @@ -1126,85 +1275,64 @@ static u32 mlx5e_get_rxfh_indir_size(struct net_device *netdev) return mlx5e_ethtool_get_rxfh_indir_size(priv); } -static int mlx5e_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key, - u8 *hfunc) +static int mlx5e_get_rxfh_context(struct net_device *dev, u32 *indir, + u8 *key, u8 *hfunc, u32 rss_context) { - struct mlx5e_priv *priv = netdev_priv(netdev); - struct mlx5e_rss_params *rss = &priv->rss_params; - - if (indir) - memcpy(indir, rss->indirection_rqt, - sizeof(rss->indirection_rqt)); - - if (key) - memcpy(key, rss->toeplitz_hash_key, - sizeof(rss->toeplitz_hash_key)); - - if (hfunc) - *hfunc = rss->hfunc; + struct mlx5e_priv *priv = netdev_priv(dev); + int err; - return 0; + mutex_lock(&priv->state_lock); + err = mlx5e_rx_res_rss_get_rxfh(priv->rx_res, rss_context, indir, key, hfunc); + mutex_unlock(&priv->state_lock); + return err; } -static int mlx5e_set_rxfh(struct net_device *dev, const u32 *indir, - const u8 *key, const u8 hfunc) +static int mlx5e_set_rxfh_context(struct net_device *dev, const u32 *indir, + const u8 *key, const u8 hfunc, + u32 *rss_context, bool delete) { struct mlx5e_priv *priv = netdev_priv(dev); - struct mlx5e_rss_params *rss = &priv->rss_params; - int inlen = MLX5_ST_SZ_BYTES(modify_tir_in); - bool hash_changed = false; - void *in; - - if ((hfunc != ETH_RSS_HASH_NO_CHANGE) && - (hfunc != ETH_RSS_HASH_XOR) && - (hfunc != ETH_RSS_HASH_TOP)) - return -EINVAL; - - in = kvzalloc(inlen, GFP_KERNEL); - if (!in) - return -ENOMEM; + int err; mutex_lock(&priv->state_lock); - - if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != rss->hfunc) { - rss->hfunc = hfunc; - hash_changed = true; + if (delete) { + err = mlx5e_rx_res_rss_destroy(priv->rx_res, *rss_context); + goto unlock; } - if (indir) { - memcpy(rss->indirection_rqt, indir, - sizeof(rss->indirection_rqt)); - - if (test_bit(MLX5E_STATE_OPENED, &priv->state)) { - u32 rqtn = priv->indir_rqt.rqtn; - struct mlx5e_redirect_rqt_param rrp = { - .is_rss = true, - { - .rss = { - .hfunc = rss->hfunc, - .channels = &priv->channels, - }, - }, - }; - - mlx5e_redirect_rqt(priv, rqtn, MLX5E_INDIR_RQT_SIZE, rrp); - } - } + if (*rss_context == ETH_RXFH_CONTEXT_ALLOC) { + unsigned int count = priv->channels.params.num_channels; - if (key) { - memcpy(rss->toeplitz_hash_key, key, - sizeof(rss->toeplitz_hash_key)); - hash_changed = hash_changed || rss->hfunc == ETH_RSS_HASH_TOP; + err = mlx5e_rx_res_rss_init(priv->rx_res, rss_context, count); + if (err) + goto unlock; } - if (hash_changed) - mlx5e_modify_tirs_hash(priv, in, inlen); + err = mlx5e_rx_res_rss_set_rxfh(priv->rx_res, *rss_context, indir, key, + hfunc == ETH_RSS_HASH_NO_CHANGE ? NULL : &hfunc); +unlock: mutex_unlock(&priv->state_lock); + return err; +} + +int mlx5e_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key, + u8 *hfunc) +{ + return mlx5e_get_rxfh_context(netdev, indir, key, hfunc, 0); +} - kvfree(in); +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 err; - return 0; + mutex_lock(&priv->state_lock); + err = mlx5e_rx_res_rss_set_rxfh(priv->rx_res, 0, indir, key, + hfunc == ETH_RSS_HASH_NO_CHANGE ? NULL : &hfunc); + mutex_unlock(&priv->state_lock); + return err; } #define MLX5E_PFC_PREVEN_AUTO_TOUT_MSEC 100 @@ -1298,6 +1426,14 @@ static int mlx5e_set_tunable(struct net_device *dev, return err; } +static void mlx5e_get_pause_stats(struct net_device *netdev, + struct ethtool_pause_stats *pause_stats) +{ + struct mlx5e_priv *priv = netdev_priv(netdev); + + mlx5e_stats_pause_get(priv, pause_stats); +} + void mlx5e_ethtool_get_pauseparam(struct mlx5e_priv *priv, struct ethtool_pauseparam *pauseparam) { @@ -1506,13 +1642,21 @@ static int mlx5e_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) return mlx5_set_port_wol(mdev, mlx5_wol_mode); } +static void mlx5e_get_fec_stats(struct net_device *netdev, + struct ethtool_fec_stats *fec_stats) +{ + struct mlx5e_priv *priv = netdev_priv(netdev); + + mlx5e_stats_fec_get(priv, fec_stats); +} + static int mlx5e_get_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam) { struct mlx5e_priv *priv = netdev_priv(netdev); struct mlx5_core_dev *mdev = priv->mdev; - u8 fec_configured = 0; - u32 fec_active = 0; + u16 fec_configured; + u32 fec_active; int err; err = mlx5e_get_fec_mode(mdev, &fec_active, &fec_configured); @@ -1520,14 +1664,14 @@ static int mlx5e_get_fecparam(struct net_device *netdev, if (err) return err; - fecparam->active_fec = pplm2ethtool_fec((u_long)fec_active, - sizeof(u32) * BITS_PER_BYTE); + fecparam->active_fec = pplm2ethtool_fec((unsigned long)fec_active, + sizeof(unsigned long) * BITS_PER_BYTE); if (!fecparam->active_fec) return -EOPNOTSUPP; - fecparam->fec = pplm2ethtool_fec((u_long)fec_configured, - sizeof(u8) * BITS_PER_BYTE); + fecparam->fec = pplm2ethtool_fec((unsigned long)fec_configured, + sizeof(unsigned long) * BITS_PER_BYTE); return 0; } @@ -1537,10 +1681,15 @@ static int mlx5e_set_fecparam(struct net_device *netdev, { struct mlx5e_priv *priv = netdev_priv(netdev); struct mlx5_core_dev *mdev = priv->mdev; - u8 fec_policy = 0; + unsigned long fec_bitmap; + u16 fec_policy = 0; int mode; int err; + bitmap_from_arr32(&fec_bitmap, &fecparam->fec, sizeof(fecparam->fec) * BITS_PER_BYTE); + if (bitmap_weight(&fec_bitmap, ETHTOOL_FEC_LLRS_BIT + 1) > 1) + return -EOPNOTSUPP; + for (mode = 0; mode < ARRAY_SIZE(pplm_fec_2_ethtool); mode++) { if (!(pplm_fec_2_ethtool[mode] & fecparam->fec)) continue; @@ -1660,7 +1809,7 @@ static int mlx5e_get_module_eeprom(struct net_device *netdev, if (size_read < 0) { netdev_err(priv->netdev, "%s: mlx5_query_eeprom failed:0x%x\n", __func__, size_read); - return 0; + return size_read; } i += size_read; @@ -1670,6 +1819,49 @@ static int mlx5e_get_module_eeprom(struct net_device *netdev, return 0; } +static int mlx5e_get_module_eeprom_by_page(struct net_device *netdev, + const struct ethtool_module_eeprom *page_data, + struct netlink_ext_ack *extack) +{ + struct mlx5e_priv *priv = netdev_priv(netdev); + struct mlx5_module_eeprom_query_params query; + struct mlx5_core_dev *mdev = priv->mdev; + u8 *data = page_data->data; + int size_read; + int i = 0; + + if (!page_data->length) + return -EINVAL; + + memset(data, 0, page_data->length); + + query.offset = page_data->offset; + query.i2c_address = page_data->i2c_address; + query.bank = page_data->bank; + query.page = page_data->page; + while (i < page_data->length) { + query.size = page_data->length - i; + size_read = mlx5_query_module_eeprom_by_page(mdev, &query, data + i); + + /* Done reading, return how many bytes was read */ + if (!size_read) + return i; + + if (size_read == -EINVAL) + return -EINVAL; + if (size_read < 0) { + netdev_err(priv->netdev, "%s: mlx5_query_module_eeprom_by_page failed:0x%x\n", + __func__, size_read); + return i; + } + + i += size_read; + query.offset += size_read; + } + + return i; +} + int mlx5e_ethtool_flash_device(struct mlx5e_priv *priv, struct ethtool_flash *flash) { @@ -1708,38 +1900,28 @@ static int set_pflag_cqe_based_moder(struct net_device *netdev, bool enable, bool is_rx_cq) { struct mlx5e_priv *priv = netdev_priv(netdev); - struct mlx5_core_dev *mdev = priv->mdev; - struct mlx5e_channels new_channels = {}; - bool mode_changed; u8 cq_period_mode, current_cq_period_mode; + struct mlx5e_params new_params; + + if (enable && !MLX5_CAP_GEN(priv->mdev, cq_period_start_from_cqe)) + return -EOPNOTSUPP; + + cq_period_mode = cqe_mode_to_period_mode(enable); - cq_period_mode = enable ? - MLX5_CQ_PERIOD_MODE_START_FROM_CQE : - MLX5_CQ_PERIOD_MODE_START_FROM_EQE; current_cq_period_mode = is_rx_cq ? priv->channels.params.rx_cq_moderation.cq_period_mode : priv->channels.params.tx_cq_moderation.cq_period_mode; - mode_changed = cq_period_mode != current_cq_period_mode; - - if (cq_period_mode == MLX5_CQ_PERIOD_MODE_START_FROM_CQE && - !MLX5_CAP_GEN(mdev, cq_period_start_from_cqe)) - return -EOPNOTSUPP; - if (!mode_changed) + if (cq_period_mode == current_cq_period_mode) return 0; - new_channels.params = priv->channels.params; + new_params = priv->channels.params; if (is_rx_cq) - mlx5e_set_rx_cq_mode_params(&new_channels.params, cq_period_mode); + mlx5e_set_rx_cq_mode_params(&new_params, cq_period_mode); else - mlx5e_set_tx_cq_mode_params(&new_channels.params, cq_period_mode); - - if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) { - priv->channels.params = new_channels.params; - return 0; - } + mlx5e_set_tx_cq_mode_params(&new_params, cq_period_mode); - return mlx5e_safe_switch_channels(priv, &new_channels, NULL); + return mlx5e_safe_switch_params(priv, &new_params, NULL, NULL, true); } static int set_pflag_tx_cqe_based_moder(struct net_device *netdev, bool enable) @@ -1752,10 +1934,10 @@ static int set_pflag_rx_cqe_based_moder(struct net_device *netdev, bool enable) return set_pflag_cqe_based_moder(netdev, enable, true); } -int mlx5e_modify_rx_cqe_compression_locked(struct mlx5e_priv *priv, bool new_val) +int mlx5e_modify_rx_cqe_compression_locked(struct mlx5e_priv *priv, bool new_val, bool rx_filter) { bool curr_val = MLX5E_GET_PFLAG(&priv->channels.params, MLX5E_PFLAG_RX_CQE_COMPRESS); - struct mlx5e_channels new_channels = {}; + struct mlx5e_params new_params; int err = 0; if (!MLX5_CAP_GEN(priv->mdev, cqe_compression)) @@ -1764,15 +1946,27 @@ int mlx5e_modify_rx_cqe_compression_locked(struct mlx5e_priv *priv, bool new_val if (curr_val == new_val) return 0; - new_channels.params = priv->channels.params; - MLX5E_SET_PFLAG(&new_channels.params, MLX5E_PFLAG_RX_CQE_COMPRESS, new_val); + if (new_val && !mlx5e_profile_feature_cap(priv->profile, PTP_RX) && rx_filter) { + netdev_err(priv->netdev, + "Profile doesn't support enabling of CQE compression while hardware time-stamping is enabled.\n"); + return -EINVAL; + } - if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) { - priv->channels.params = new_channels.params; - return 0; + if (priv->channels.params.packet_merge.type == MLX5E_PACKET_MERGE_SHAMPO) { + netdev_warn(priv->netdev, "Can't set CQE compression with HW-GRO, disable it first.\n"); + return -EINVAL; } - err = mlx5e_safe_switch_channels(priv, &new_channels, NULL); + new_params = priv->channels.params; + MLX5E_SET_PFLAG(&new_params, MLX5E_PFLAG_RX_CQE_COMPRESS, new_val); + if (rx_filter) + new_params.ptp_rx = new_val; + + if (new_params.ptp_rx == priv->channels.params.ptp_rx) + err = mlx5e_safe_switch_params(priv, &new_params, NULL, NULL, true); + else + err = mlx5e_safe_switch_params(priv, &new_params, mlx5e_ptp_rx_manage_fs_ctx, + &new_params.ptp_rx, true); if (err) return err; @@ -1788,16 +1982,17 @@ static int set_pflag_rx_cqe_compress(struct net_device *netdev, { struct mlx5e_priv *priv = netdev_priv(netdev); struct mlx5_core_dev *mdev = priv->mdev; + bool rx_filter; + int err; if (!MLX5_CAP_GEN(mdev, cqe_compression)) return -EOPNOTSUPP; - if (enable && priv->tstamp.rx_filter != HWTSTAMP_FILTER_NONE) { - netdev_err(netdev, "Can't enable cqe compression while timestamping is enabled.\n"); - return -EINVAL; - } + rx_filter = priv->tstamp.rx_filter != HWTSTAMP_FILTER_NONE; + err = mlx5e_modify_rx_cqe_compression_locked(priv, enable, rx_filter); + if (err) + return err; - mlx5e_modify_rx_cqe_compression_locked(priv, enable); priv->channels.params.rx_cqe_compress_def = enable; return 0; @@ -1807,29 +2002,28 @@ static int set_pflag_rx_striding_rq(struct net_device *netdev, bool enable) { struct mlx5e_priv *priv = netdev_priv(netdev); struct mlx5_core_dev *mdev = priv->mdev; - struct mlx5e_channels new_channels = {}; + struct mlx5e_params new_params; if (enable) { - if (!mlx5e_check_fragmented_striding_rq_cap(mdev)) - return -EOPNOTSUPP; - if (!mlx5e_striding_rq_possible(mdev, &priv->channels.params)) - return -EINVAL; - } else if (priv->channels.params.lro_en) { - netdev_warn(netdev, "Can't set legacy RQ with LRO, disable LRO first\n"); + /* Checking the regular RQ here; mlx5e_validate_xsk_param called + * from mlx5e_open_xsk will check for each XSK queue, and + * mlx5e_safe_switch_params will be reverted if any check fails. + */ + int err = mlx5e_mpwrq_validate_regular(mdev, &priv->channels.params); + + if (err) + return err; + } else if (priv->channels.params.packet_merge.type != MLX5E_PACKET_MERGE_NONE) { + netdev_warn(netdev, "Can't set legacy RQ with HW-GRO/LRO, disable them first\n"); return -EINVAL; } - new_channels.params = priv->channels.params; - - MLX5E_SET_PFLAG(&new_channels.params, MLX5E_PFLAG_RX_STRIDING_RQ, enable); - mlx5e_set_rq_type(mdev, &new_channels.params); + new_params = priv->channels.params; - if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) { - priv->channels.params = new_channels.params; - return 0; - } + MLX5E_SET_PFLAG(&new_params, MLX5E_PFLAG_RX_STRIDING_RQ, enable); + mlx5e_set_rq_type(mdev, &new_params); - return mlx5e_safe_switch_channels(priv, &new_channels, NULL); + return mlx5e_safe_switch_params(priv, &new_params, NULL, NULL, true); } static int set_pflag_rx_no_csum_complete(struct net_device *netdev, bool enable) @@ -1854,26 +2048,75 @@ static int set_pflag_rx_no_csum_complete(struct net_device *netdev, bool enable) return 0; } +static int set_pflag_tx_mpwqe_common(struct net_device *netdev, u32 flag, bool enable) +{ + struct mlx5e_priv *priv = netdev_priv(netdev); + struct mlx5_core_dev *mdev = priv->mdev; + struct mlx5e_params new_params; + + if (enable && !mlx5e_tx_mpwqe_supported(mdev)) + return -EOPNOTSUPP; + + new_params = priv->channels.params; + + MLX5E_SET_PFLAG(&new_params, flag, enable); + + return mlx5e_safe_switch_params(priv, &new_params, NULL, NULL, true); +} + static int set_pflag_xdp_tx_mpwqe(struct net_device *netdev, bool enable) { + return set_pflag_tx_mpwqe_common(netdev, MLX5E_PFLAG_XDP_TX_MPWQE, enable); +} + +static int set_pflag_skb_tx_mpwqe(struct net_device *netdev, bool enable) +{ + return set_pflag_tx_mpwqe_common(netdev, MLX5E_PFLAG_SKB_TX_MPWQE, enable); +} + +static int set_pflag_tx_port_ts(struct net_device *netdev, bool enable) +{ struct mlx5e_priv *priv = netdev_priv(netdev); struct mlx5_core_dev *mdev = priv->mdev; - struct mlx5e_channels new_channels = {}; + struct mlx5e_params new_params; int err; - if (enable && !MLX5_CAP_ETH(mdev, enhanced_multi_pkt_send_wqe)) + if (!MLX5_CAP_GEN(mdev, ts_cqe_to_dest_cqn)) return -EOPNOTSUPP; - new_channels.params = priv->channels.params; - - MLX5E_SET_PFLAG(&new_channels.params, MLX5E_PFLAG_XDP_TX_MPWQE, enable); + /* Don't allow changing the PTP state if HTB offload is active, because + * the numeration of the QoS SQs will change, while per-queue qdiscs are + * attached. + */ + if (mlx5e_selq_is_htb_enabled(&priv->selq)) { + netdev_err(priv->netdev, "%s: HTB offload is active, cannot change the PTP state\n", + __func__); + return -EINVAL; + } - if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) { - priv->channels.params = new_channels.params; - return 0; + new_params = priv->channels.params; + /* Don't allow enabling TX-port-TS if MQPRIO mode channel offload is + * active, since it defines explicitly which TC accepts the packet. + * This conflicts with TX-port-TS hijacking the PTP traffic to a specific + * HW TX-queue. + */ + if (enable && new_params.mqprio.mode == TC_MQPRIO_MODE_CHANNEL) { + netdev_err(priv->netdev, + "%s: MQPRIO mode channel offload is active, cannot set the TX-port-TS\n", + __func__); + return -EINVAL; } + MLX5E_SET_PFLAG(&new_params, MLX5E_PFLAG_TX_PORT_TS, enable); + /* No need to verify SQ stop room as + * ptpsq.txqsq.stop_room <= generic_sq->stop_room, and both + * has the same log_sq_size. + */ + + err = mlx5e_safe_switch_params(priv, &new_params, + mlx5e_num_channels_changed_ctx, NULL, true); + if (!err) + priv->tx_ptp_opened = true; - err = mlx5e_safe_switch_channels(priv, &new_channels, NULL); return err; } @@ -1884,6 +2127,8 @@ static const struct pflag_desc mlx5e_priv_flags[MLX5E_NUM_PFLAGS] = { { "rx_striding_rq", set_pflag_rx_striding_rq }, { "rx_no_csum_complete", set_pflag_rx_no_csum_complete }, { "xdp_tx_mpwqe", set_pflag_xdp_tx_mpwqe }, + { "skb_tx_mpwqe", set_pflag_skb_tx_mpwqe }, + { "tx_port_ts", set_pflag_tx_port_ts }, }; static int mlx5e_handle_pflag(struct net_device *netdev, @@ -1938,7 +2183,8 @@ static u32 mlx5e_get_priv_flags(struct net_device *netdev) return priv->channels.params.pflags; } -static int mlx5e_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info, u32 *rule_locs) +int mlx5e_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info, + u32 *rule_locs) { struct mlx5e_priv *priv = netdev_priv(dev); @@ -1952,17 +2198,227 @@ static int mlx5e_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info, u return 0; } - return mlx5e_ethtool_get_rxnfc(dev, info, rule_locs); + return mlx5e_ethtool_get_rxnfc(priv, info, rule_locs); } -static int mlx5e_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd) +int mlx5e_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd) { - return mlx5e_ethtool_set_rxnfc(dev, cmd); + struct mlx5e_priv *priv = netdev_priv(dev); + + return mlx5e_ethtool_set_rxnfc(priv, cmd); +} + +static int query_port_status_opcode(struct mlx5_core_dev *mdev, u32 *status_opcode) +{ + struct mlx5_ifc_pddr_troubleshooting_page_bits *pddr_troubleshooting_page; + u32 in[MLX5_ST_SZ_DW(pddr_reg)] = {}; + u32 out[MLX5_ST_SZ_DW(pddr_reg)]; + int err; + + MLX5_SET(pddr_reg, in, local_port, 1); + MLX5_SET(pddr_reg, in, page_select, + MLX5_PDDR_REG_PAGE_SELECT_TROUBLESHOOTING_INFO_PAGE); + + pddr_troubleshooting_page = MLX5_ADDR_OF(pddr_reg, in, page_data); + MLX5_SET(pddr_troubleshooting_page, pddr_troubleshooting_page, + group_opcode, MLX5_PDDR_REG_TRBLSH_GROUP_OPCODE_MONITOR); + err = mlx5_core_access_reg(mdev, in, sizeof(in), out, + sizeof(out), MLX5_REG_PDDR, 0, 0); + if (err) + return err; + + pddr_troubleshooting_page = MLX5_ADDR_OF(pddr_reg, out, page_data); + *status_opcode = MLX5_GET(pddr_troubleshooting_page, pddr_troubleshooting_page, + status_opcode); + return 0; +} + +struct mlx5e_ethtool_link_ext_state_opcode_mapping { + u32 status_opcode; + enum ethtool_link_ext_state link_ext_state; + u8 link_ext_substate; +}; + +static const struct mlx5e_ethtool_link_ext_state_opcode_mapping +mlx5e_link_ext_state_opcode_map[] = { + /* States relating to the autonegotiation or issues therein */ + {2, ETHTOOL_LINK_EXT_STATE_AUTONEG, + ETHTOOL_LINK_EXT_SUBSTATE_AN_NO_PARTNER_DETECTED}, + {3, ETHTOOL_LINK_EXT_STATE_AUTONEG, + ETHTOOL_LINK_EXT_SUBSTATE_AN_ACK_NOT_RECEIVED}, + {4, ETHTOOL_LINK_EXT_STATE_AUTONEG, + ETHTOOL_LINK_EXT_SUBSTATE_AN_NEXT_PAGE_EXCHANGE_FAILED}, + {36, ETHTOOL_LINK_EXT_STATE_AUTONEG, + ETHTOOL_LINK_EXT_SUBSTATE_AN_NO_PARTNER_DETECTED_FORCE_MODE}, + {38, ETHTOOL_LINK_EXT_STATE_AUTONEG, + ETHTOOL_LINK_EXT_SUBSTATE_AN_FEC_MISMATCH_DURING_OVERRIDE}, + {39, ETHTOOL_LINK_EXT_STATE_AUTONEG, + ETHTOOL_LINK_EXT_SUBSTATE_AN_NO_HCD}, + + /* Failure during link training */ + {5, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE, + ETHTOOL_LINK_EXT_SUBSTATE_LT_KR_FRAME_LOCK_NOT_ACQUIRED}, + {6, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE, + ETHTOOL_LINK_EXT_SUBSTATE_LT_KR_LINK_INHIBIT_TIMEOUT}, + {7, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE, + ETHTOOL_LINK_EXT_SUBSTATE_LT_KR_LINK_PARTNER_DID_NOT_SET_RECEIVER_READY}, + {8, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE, 0}, + {14, ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE, + ETHTOOL_LINK_EXT_SUBSTATE_LT_REMOTE_FAULT}, + + /* Logical mismatch in physical coding sublayer or forward error correction sublayer */ + {9, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH, + ETHTOOL_LINK_EXT_SUBSTATE_LLM_PCS_DID_NOT_ACQUIRE_BLOCK_LOCK}, + {10, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH, + ETHTOOL_LINK_EXT_SUBSTATE_LLM_PCS_DID_NOT_ACQUIRE_AM_LOCK}, + {11, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH, + ETHTOOL_LINK_EXT_SUBSTATE_LLM_PCS_DID_NOT_GET_ALIGN_STATUS}, + {12, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH, + ETHTOOL_LINK_EXT_SUBSTATE_LLM_FC_FEC_IS_NOT_LOCKED}, + {13, ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH, + ETHTOOL_LINK_EXT_SUBSTATE_LLM_RS_FEC_IS_NOT_LOCKED}, + + /* Signal integrity issues */ + {15, ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY, 0}, + {17, ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY, + ETHTOOL_LINK_EXT_SUBSTATE_BSI_LARGE_NUMBER_OF_PHYSICAL_ERRORS}, + {42, ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY, + ETHTOOL_LINK_EXT_SUBSTATE_BSI_UNSUPPORTED_RATE}, + + /* No cable connected */ + {1024, ETHTOOL_LINK_EXT_STATE_NO_CABLE, 0}, + + /* Failure is related to cable, e.g., unsupported cable */ + {16, ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE, + ETHTOOL_LINK_EXT_SUBSTATE_CI_UNSUPPORTED_CABLE}, + {20, ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE, + ETHTOOL_LINK_EXT_SUBSTATE_CI_UNSUPPORTED_CABLE}, + {29, ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE, + ETHTOOL_LINK_EXT_SUBSTATE_CI_UNSUPPORTED_CABLE}, + {1025, ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE, + ETHTOOL_LINK_EXT_SUBSTATE_CI_UNSUPPORTED_CABLE}, + {1029, ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE, + ETHTOOL_LINK_EXT_SUBSTATE_CI_UNSUPPORTED_CABLE}, + {1031, ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE, 0}, + + /* Failure is related to EEPROM, e.g., failure during reading or parsing the data */ + {1027, ETHTOOL_LINK_EXT_STATE_EEPROM_ISSUE, 0}, + + /* Failure during calibration algorithm */ + {23, ETHTOOL_LINK_EXT_STATE_CALIBRATION_FAILURE, 0}, + + /* The hardware is not able to provide the power required from cable or module */ + {1032, ETHTOOL_LINK_EXT_STATE_POWER_BUDGET_EXCEEDED, 0}, + + /* The module is overheated */ + {1030, ETHTOOL_LINK_EXT_STATE_OVERHEAT, 0}, +}; + +static void +mlx5e_set_link_ext_state(struct mlx5e_ethtool_link_ext_state_opcode_mapping + link_ext_state_mapping, + struct ethtool_link_ext_state_info *link_ext_state_info) +{ + switch (link_ext_state_mapping.link_ext_state) { + case ETHTOOL_LINK_EXT_STATE_AUTONEG: + link_ext_state_info->autoneg = + link_ext_state_mapping.link_ext_substate; + break; + case ETHTOOL_LINK_EXT_STATE_LINK_TRAINING_FAILURE: + link_ext_state_info->link_training = + link_ext_state_mapping.link_ext_substate; + break; + case ETHTOOL_LINK_EXT_STATE_LINK_LOGICAL_MISMATCH: + link_ext_state_info->link_logical_mismatch = + link_ext_state_mapping.link_ext_substate; + break; + case ETHTOOL_LINK_EXT_STATE_BAD_SIGNAL_INTEGRITY: + link_ext_state_info->bad_signal_integrity = + link_ext_state_mapping.link_ext_substate; + break; + case ETHTOOL_LINK_EXT_STATE_CABLE_ISSUE: + link_ext_state_info->cable_issue = + link_ext_state_mapping.link_ext_substate; + break; + default: + break; + } + + link_ext_state_info->link_ext_state = link_ext_state_mapping.link_ext_state; +} + +static int +mlx5e_get_link_ext_state(struct net_device *dev, + struct ethtool_link_ext_state_info *link_ext_state_info) +{ + struct mlx5e_ethtool_link_ext_state_opcode_mapping link_ext_state_mapping; + struct mlx5e_priv *priv = netdev_priv(dev); + u32 status_opcode = 0; + int i; + + /* Exit without data if the interface state is OK, since no extended data is + * available in such case + */ + if (netif_carrier_ok(dev)) + return -ENODATA; + + if (query_port_status_opcode(priv->mdev, &status_opcode) || + !status_opcode) + return -ENODATA; + + for (i = 0; i < ARRAY_SIZE(mlx5e_link_ext_state_opcode_map); i++) { + link_ext_state_mapping = mlx5e_link_ext_state_opcode_map[i]; + if (link_ext_state_mapping.status_opcode == status_opcode) { + mlx5e_set_link_ext_state(link_ext_state_mapping, + link_ext_state_info); + return 0; + } + } + + return -ENODATA; +} + +static void mlx5e_get_eth_phy_stats(struct net_device *netdev, + struct ethtool_eth_phy_stats *phy_stats) +{ + struct mlx5e_priv *priv = netdev_priv(netdev); + + mlx5e_stats_eth_phy_get(priv, phy_stats); +} + +static void mlx5e_get_eth_mac_stats(struct net_device *netdev, + struct ethtool_eth_mac_stats *mac_stats) +{ + struct mlx5e_priv *priv = netdev_priv(netdev); + + mlx5e_stats_eth_mac_get(priv, mac_stats); +} + +static void mlx5e_get_eth_ctrl_stats(struct net_device *netdev, + struct ethtool_eth_ctrl_stats *ctrl_stats) +{ + struct mlx5e_priv *priv = netdev_priv(netdev); + + mlx5e_stats_eth_ctrl_get(priv, ctrl_stats); +} + +static void mlx5e_get_rmon_stats(struct net_device *netdev, + struct ethtool_rmon_stats *rmon_stats, + const struct ethtool_rmon_hist_range **ranges) +{ + struct mlx5e_priv *priv = netdev_priv(netdev); + + mlx5e_stats_rmon_get(priv, rmon_stats, ranges); } const struct ethtool_ops mlx5e_ethtool_ops = { + .supported_coalesce_params = ETHTOOL_COALESCE_USECS | + ETHTOOL_COALESCE_MAX_FRAMES | + ETHTOOL_COALESCE_USE_ADAPTIVE | + ETHTOOL_COALESCE_USE_CQE, .get_drvinfo = mlx5e_get_drvinfo, .get_link = ethtool_op_get_link, + .get_link_ext_state = mlx5e_get_link_ext_state, .get_strings = mlx5e_get_strings, .get_sset_count = mlx5e_get_sset_count, .get_ethtool_stats = mlx5e_get_ethtool_stats, @@ -1978,10 +2434,13 @@ const struct ethtool_ops mlx5e_ethtool_ops = { .get_rxfh_indir_size = mlx5e_get_rxfh_indir_size, .get_rxfh = mlx5e_get_rxfh, .set_rxfh = mlx5e_set_rxfh, + .get_rxfh_context = mlx5e_get_rxfh_context, + .set_rxfh_context = mlx5e_set_rxfh_context, .get_rxnfc = mlx5e_get_rxnfc, .set_rxnfc = mlx5e_set_rxnfc, .get_tunable = mlx5e_get_tunable, .set_tunable = mlx5e_set_tunable, + .get_pause_stats = mlx5e_get_pause_stats, .get_pauseparam = mlx5e_get_pauseparam, .set_pauseparam = mlx5e_set_pauseparam, .get_ts_info = mlx5e_get_ts_info, @@ -1990,12 +2449,18 @@ const struct ethtool_ops mlx5e_ethtool_ops = { .set_wol = mlx5e_set_wol, .get_module_info = mlx5e_get_module_info, .get_module_eeprom = mlx5e_get_module_eeprom, + .get_module_eeprom_by_page = mlx5e_get_module_eeprom_by_page, .flash_device = mlx5e_flash_device, .get_priv_flags = mlx5e_get_priv_flags, .set_priv_flags = mlx5e_set_priv_flags, .self_test = mlx5e_self_test, .get_msglevel = mlx5e_get_msglevel, .set_msglevel = mlx5e_set_msglevel, + .get_fec_stats = mlx5e_get_fec_stats, .get_fecparam = mlx5e_get_fecparam, .set_fecparam = mlx5e_set_fecparam, + .get_eth_phy_stats = mlx5e_get_eth_phy_stats, + .get_eth_mac_stats = mlx5e_get_eth_mac_stats, + .get_eth_ctrl_stats = mlx5e_get_eth_ctrl_stats, + .get_rmon_stats = mlx5e_get_rmon_stats, }; 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