diff options
| author | Yevgeny Petrilin <yevgenyp@mellanox.co.il> | 2011-03-22 22:37:52 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-03-23 12:24:18 -0700 |
| commit | 1fb9876e9bf895ea4127ff17180f1b2ab37771b6 (patch) | |
| tree | 4d26408ec346531ee99e01c0c397c73e782cacef /drivers/net/mlx4/mlx4_en.h | |
| parent | 0b7ca5a928e2271bbc225e9e1ac1f22e9fbee54f (diff) | |
| download | lwn-1fb9876e9bf895ea4127ff17180f1b2ab37771b6.tar.gz lwn-1fb9876e9bf895ea4127ff17180f1b2ab37771b6.zip | |
mlx4_en: using new mlx4 interrupt scheme
Each RX ring will have its own interrupt vector, and TX rings will share one
(we mostly use polling for TX completions).
The vectors are assigned first time device is opened, and its name includes
the interface name and ring number.
Signed-off-by: Markuze Alex <markuze@mellanox.co.il>
Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/mlx4/mlx4_en.h')
| -rw-r--r-- | drivers/net/mlx4/mlx4_en.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/net/mlx4/mlx4_en.h b/drivers/net/mlx4/mlx4_en.h index 5387c4e9f295..2db245fcd84b 100644 --- a/drivers/net/mlx4/mlx4_en.h +++ b/drivers/net/mlx4/mlx4_en.h @@ -62,6 +62,7 @@ #define MLX4_EN_PAGE_SHIFT 12 #define MLX4_EN_PAGE_SIZE (1 << MLX4_EN_PAGE_SHIFT) #define MAX_RX_RINGS 16 +#define MIN_RX_RINGS 4 #define TXBB_SIZE 64 #define HEADROOM (2048 / TXBB_SIZE + 1) #define STAMP_STRIDE 64 @@ -462,6 +463,7 @@ struct mlx4_en_priv { u16 log_rx_info; struct mlx4_en_tx_ring tx_ring[MAX_TX_RINGS]; + int tx_vector; struct mlx4_en_rx_ring rx_ring[MAX_RX_RINGS]; struct mlx4_en_cq tx_cq[MAX_TX_RINGS]; struct mlx4_en_cq rx_cq[MAX_RX_RINGS]; @@ -487,12 +489,13 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port, int mlx4_en_start_port(struct net_device *dev); void mlx4_en_stop_port(struct net_device *dev); -void mlx4_en_free_resources(struct mlx4_en_priv *priv); +void mlx4_en_free_resources(struct mlx4_en_priv *priv, bool reserve_vectors); int mlx4_en_alloc_resources(struct mlx4_en_priv *priv); int mlx4_en_create_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq, int entries, int ring, enum cq_type mode); -void mlx4_en_destroy_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq); +void mlx4_en_destroy_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq, + bool reserve_vectors); int mlx4_en_activate_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq); void mlx4_en_deactivate_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq); int mlx4_en_set_cq_moder(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq); |