diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4/mlx4_en.h')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/mlx4_en.h | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h index eff4be0279e6..29c81d26f9f5 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h +++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h @@ -132,6 +132,7 @@ enum { MLX4_EN_NUM_UP) #define MLX4_EN_DEFAULT_TX_WORK 256 +#define MLX4_EN_DOORBELL_BUDGET 8 /* Target number of packets to coalesce with interrupt moderation */ #define MLX4_EN_RX_COAL_TARGET 44 @@ -219,7 +220,10 @@ enum cq_type { struct mlx4_en_tx_info { - struct sk_buff *skb; + union { + struct sk_buff *skb; + struct page *page; + }; dma_addr_t map0_dma; u32 map0_byte_count; u32 nr_txbb; @@ -265,6 +269,8 @@ struct mlx4_en_page_cache { struct mlx4_en_rx_alloc buf[MLX4_EN_CACHE_SIZE]; }; +struct mlx4_en_priv; + struct mlx4_en_tx_ring { /* cache line used and dirtied in tx completion * (mlx4_en_free_tx_buf()) @@ -298,6 +304,11 @@ struct mlx4_en_tx_ring { __be32 mr_key; void *buf; struct mlx4_en_tx_info *tx_info; + struct mlx4_en_rx_ring *recycle_ring; + u32 (*free_tx_desc)(struct mlx4_en_priv *priv, + struct mlx4_en_tx_ring *ring, + int index, u8 owner, + u64 timestamp, int napi_mode); u8 *bounce_buf; struct mlx4_qp_context context; int qpn; @@ -678,6 +689,12 @@ void mlx4_en_tx_irq(struct mlx4_cq *mcq); u16 mlx4_en_select_queue(struct net_device *dev, struct sk_buff *skb, void *accel_priv, select_queue_fallback_t fallback); netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev); +netdev_tx_t mlx4_en_xmit_frame(struct mlx4_en_rx_alloc *frame, + struct net_device *dev, unsigned int length, + int tx_ind, int *doorbell_pending); +void mlx4_en_xmit_doorbell(struct mlx4_en_tx_ring *ring); +bool mlx4_en_rx_recycle(struct mlx4_en_rx_ring *ring, + struct mlx4_en_rx_alloc *frame); int mlx4_en_create_tx_ring(struct mlx4_en_priv *priv, struct mlx4_en_tx_ring **pring, @@ -706,6 +723,14 @@ int mlx4_en_process_rx_cq(struct net_device *dev, int budget); int mlx4_en_poll_rx_cq(struct napi_struct *napi, int budget); int mlx4_en_poll_tx_cq(struct napi_struct *napi, int budget); +u32 mlx4_en_free_tx_desc(struct mlx4_en_priv *priv, + struct mlx4_en_tx_ring *ring, + int index, u8 owner, u64 timestamp, + int napi_mode); +u32 mlx4_en_recycle_tx_desc(struct mlx4_en_priv *priv, + struct mlx4_en_tx_ring *ring, + int index, u8 owner, u64 timestamp, + int napi_mode); void mlx4_en_fill_qp_context(struct mlx4_en_priv *priv, int size, int stride, int is_tx, int rss, int qpn, int cqn, int user_prio, struct mlx4_qp_context *context); |