diff --git a/drivers/net/ethernet/mellanox/mlx4/en_main.c b/drivers/net/ethernet/mellanox/mlx4/en_main.c index d357bf5a46860314a4c74ae10c630bae8f61f096..fa2f6e76f69bb03f9a822fb23f5af1f3875174c3 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_main.c @@ -274,19 +274,8 @@ static void *mlx4_en_add(struct mlx4_dev *dev) if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS) mlx4_en_init_timestamp(mdev); - mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_ETH) { - if (!dev->caps.comp_pool) { - mdev->profile.prof[i].rx_ring_num = - rounddown_pow_of_two(max_t(int, MIN_RX_RINGS, - min_t(int, - dev->caps.num_comp_vectors, - DEF_RX_RINGS))); - } else { - mdev->profile.prof[i].rx_ring_num = rounddown_pow_of_two( - min_t(int, dev->caps.comp_pool/ - dev->caps.num_ports - 1 , MAX_MSIX_P_PORT - 1)); - } - } + /* Set default number of RX rings*/ + mlx4_en_set_num_rx_rings(mdev); /* Create our own workqueue for reset/multicast tasks * Note: we cannot use the shared workqueue because of deadlocks caused diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c b/drivers/net/ethernet/mellanox/mlx4/en_rx.c index 890922c1c8eea11d4d737d81aefffde4e157e3a2..85434d73c9bcea8aecf743004670e7a5b8477dd0 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c @@ -318,6 +318,28 @@ static void mlx4_en_free_rx_buf(struct mlx4_en_priv *priv, } } +void mlx4_en_set_num_rx_rings(struct mlx4_en_dev *mdev) +{ + int i; + int num_of_eqs; + struct mlx4_dev *dev = mdev->dev; + + mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_ETH) { + if (!dev->caps.comp_pool) + num_of_eqs = max_t(int, MIN_RX_RINGS, + min_t(int, + dev->caps.num_comp_vectors, + DEF_RX_RINGS)); + else + num_of_eqs = min_t(int, MAX_MSIX_P_PORT, + dev->caps.comp_pool/ + dev->caps.num_ports) - 1; + + mdev->profile.prof[i].rx_ring_num = + rounddown_pow_of_two(num_of_eqs); + } +} + int mlx4_en_create_rx_ring(struct mlx4_en_priv *priv, struct mlx4_en_rx_ring **pring, u32 size, u16 stride, int node) diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h index 9ca223bc90fc4fe7445a447828028b8a046f6fcb..3c25c7bf3dba6bac301f3207e41c01bf5f1b1954 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h +++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h @@ -737,7 +737,7 @@ int mlx4_en_activate_tx_ring(struct mlx4_en_priv *priv, int cq, int user_prio); void mlx4_en_deactivate_tx_ring(struct mlx4_en_priv *priv, struct mlx4_en_tx_ring *ring); - +void mlx4_en_set_num_rx_rings(struct mlx4_en_dev *mdev); int mlx4_en_create_rx_ring(struct mlx4_en_priv *priv, struct mlx4_en_rx_ring **pring, u32 size, u16 stride, int node);