static void mlx5e_build_tir_ctx(struct mlx5e_priv *priv, u32 *tirc, int tt) { void *hfso = MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_outer); #define ROUGH_MAX_L2_L3_HDR_SZ 256 #define MLX5_HASH_IP (MLX5_HASH_FIELD_SEL_SRC_IP |\ MLX5_HASH_FIELD_SEL_DST_IP) #define MLX5_HASH_ALL (MLX5_HASH_FIELD_SEL_SRC_IP |\ MLX5_HASH_FIELD_SEL_DST_IP |\ MLX5_HASH_FIELD_SEL_L4_SPORT |\ MLX5_HASH_FIELD_SEL_L4_DPORT) if (priv->params.lro_en) { MLX5_SET(tirc, tirc, lro_enable_mask, MLX5_TIRC_LRO_ENABLE_MASK_IPV4_LRO | MLX5_TIRC_LRO_ENABLE_MASK_IPV6_LRO); MLX5_SET(tirc, tirc, lro_max_ip_payload_size, (priv->params.lro_wqe_sz - ROUGH_MAX_L2_L3_HDR_SZ) >> 8); MLX5_SET(tirc, tirc, lro_timeout_period_usecs, MLX5_CAP_ETH(priv->mdev, lro_timer_supported_periods[3])); }
void mlx5_query_min_inline(struct mlx5_core_dev *mdev, u8 *min_inline_mode) { switch (MLX5_CAP_ETH(mdev, wqe_inline_mode)) { case MLX5_CAP_INLINE_MODE_L2: *min_inline_mode = MLX5_INLINE_MODE_L2; break; case MLX5_CAP_INLINE_MODE_VPORT_CONTEXT: mlx5_query_nic_vport_min_inline(mdev, 0, min_inline_mode); break; case MLX5_CAP_INLINE_MODE_NOT_REQUIRED: *min_inline_mode = MLX5_INLINE_MODE_NONE; break; } }
int mlx5_query_min_inline(struct mlx5_core_dev *mdev, u8 *min_inline_mode) { int err; switch (MLX5_CAP_ETH(mdev, wqe_inline_mode)) { case MLX5_CAP_INLINE_MODE_L2: *min_inline_mode = MLX5_INLINE_MODE_L2; err = 0; break; case MLX5_CAP_INLINE_MODE_VPORT_CONTEXT: err = mlx5_query_nic_vport_min_inline(mdev, 0, min_inline_mode); break; case MLX5_CAP_INLINE_MODE_NOT_REQUIRED: *min_inline_mode = MLX5_INLINE_MODE_NONE; err = 0; break; default: err = -EINVAL; break; } return err; }
static int mlx5e_ethtool_handler(SYSCTL_HANDLER_ARGS) { struct mlx5e_priv *priv = arg1; int was_opened; int error; PRIV_LOCK(priv); error = sysctl_handle_64(oidp, priv->params_ethtool.arg + arg2, 0, req); if (error || req->newptr == NULL) goto done; was_opened = test_bit(MLX5E_STATE_OPENED, &priv->state); if (was_opened) mlx5e_close_locked(priv->ifp); /* import TX queue size */ if (priv->params_ethtool.tx_queue_size < (1 << MLX5E_PARAMS_MINIMUM_LOG_SQ_SIZE)) { priv->params_ethtool.tx_queue_size = (1 << MLX5E_PARAMS_MINIMUM_LOG_SQ_SIZE); } else if (priv->params_ethtool.tx_queue_size > priv->params_ethtool.tx_queue_size_max) { priv->params_ethtool.tx_queue_size = priv->params_ethtool.tx_queue_size_max; } priv->params.log_sq_size = order_base_2(priv->params_ethtool.tx_queue_size); /* import RX queue size */ if (priv->params_ethtool.rx_queue_size < (1 << MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE)) { priv->params_ethtool.rx_queue_size = (1 << MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE); } else if (priv->params_ethtool.rx_queue_size > priv->params_ethtool.rx_queue_size_max) { priv->params_ethtool.rx_queue_size = priv->params_ethtool.rx_queue_size_max; } priv->params.log_rq_size = order_base_2(priv->params_ethtool.rx_queue_size); priv->params.min_rx_wqes = min_t (u16, priv->params_ethtool.rx_queue_size - 1, MLX5E_PARAMS_DEFAULT_MIN_RX_WQES); /* import number of channels */ if (priv->params_ethtool.channels < 1) priv->params_ethtool.channels = 1; else if (priv->params_ethtool.channels > (u64) priv->mdev->priv.eq_table.num_comp_vectors) { priv->params_ethtool.channels = (u64) priv->mdev->priv.eq_table.num_comp_vectors; } priv->params.num_channels = priv->params_ethtool.channels; /* import RX mode */ if (priv->params_ethtool.rx_coalesce_mode != 0) priv->params_ethtool.rx_coalesce_mode = 1; priv->params.rx_cq_moderation_mode = priv->params_ethtool.rx_coalesce_mode; /* import RX coal time */ if (priv->params_ethtool.rx_coalesce_usecs < 1) priv->params_ethtool.rx_coalesce_usecs = 0; else if (priv->params_ethtool.rx_coalesce_usecs > MLX5E_FLD_MAX(cqc, cq_period)) { priv->params_ethtool.rx_coalesce_usecs = MLX5E_FLD_MAX(cqc, cq_period); } priv->params.rx_cq_moderation_usec = priv->params_ethtool.rx_coalesce_usecs; /* import RX coal pkts */ if (priv->params_ethtool.rx_coalesce_pkts < 1) priv->params_ethtool.rx_coalesce_pkts = 0; else if (priv->params_ethtool.rx_coalesce_pkts > MLX5E_FLD_MAX(cqc, cq_max_count)) { priv->params_ethtool.rx_coalesce_pkts = MLX5E_FLD_MAX(cqc, cq_max_count); } priv->params.rx_cq_moderation_pkts = priv->params_ethtool.rx_coalesce_pkts; /* import TX coal time */ if (priv->params_ethtool.tx_coalesce_usecs < 1) priv->params_ethtool.tx_coalesce_usecs = 0; else if (priv->params_ethtool.tx_coalesce_usecs > MLX5E_FLD_MAX(cqc, cq_period)) { priv->params_ethtool.tx_coalesce_usecs = MLX5E_FLD_MAX(cqc, cq_period); } priv->params.tx_cq_moderation_usec = priv->params_ethtool.tx_coalesce_usecs; /* import TX coal pkts */ if (priv->params_ethtool.tx_coalesce_pkts < 1) priv->params_ethtool.tx_coalesce_pkts = 0; else if (priv->params_ethtool.tx_coalesce_pkts > MLX5E_FLD_MAX(cqc, cq_max_count)) { priv->params_ethtool.tx_coalesce_pkts = MLX5E_FLD_MAX(cqc, cq_max_count); } priv->params.tx_cq_moderation_pkts = priv->params_ethtool.tx_coalesce_pkts; /* we always agree to turn off HW LRO - but not always to turn on */ if (priv->params_ethtool.hw_lro) { if (priv->ifp->if_capenable & IFCAP_LRO) priv->params.hw_lro_en = !!MLX5_CAP_ETH(priv->mdev, lro_cap); } else { priv->params.hw_lro_en = false; } if (was_opened) mlx5e_open_locked(priv->ifp); done: PRIV_UNLOCK(priv); return (error); }