[RFC TLS Offload Support 07/15] mlx/mlx5_core: Allow sending multiple packets
From: Aviad Yehezkel <hidden>
Date: 2017-03-28 13:26:24
Also in:
linux-crypto
Subsystem:
mellanox ethernet driver (mlx5e), mellanox mlx5 core vpi driver, networking drivers, the rest · Maintainers:
Saeed Mahameed, Tariq Toukan, Mark Bloch, Leon Romanovsky, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
From: Ilya Lesokhin <redacted> Modify mlx5e_xmit to xmit multiple packet chained using skb->next Signed-off-by: Ilya Lesokhin <redacted> Signed-off-by: Aviad Yehezkel <redacted> --- drivers/net/ethernet/mellanox/mlx5/core/en_tx.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
index e6ce509..f2d0cc0 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c@@ -35,7 +35,7 @@ #include "en.h" #define MLX5E_SQ_NOPS_ROOM MLX5_SEND_WQE_MAX_WQEBBS -#define MLX5E_SQ_STOP_ROOM (MLX5_SEND_WQE_MAX_WQEBBS +\ +#define MLX5E_SQ_STOP_ROOM (2 * MLX5_SEND_WQE_MAX_WQEBBS +\ MLX5E_SQ_NOPS_ROOM) void mlx5e_send_nop(struct mlx5e_sq *sq, bool notify_hw)
@@ -405,6 +405,8 @@ netdev_tx_t mlx5e_xmit(struct sk_buff *skb, struct net_device *dev) struct mlx5e_sq *sq = NULL; struct mlx5_accel_ops *accel_ops; struct mlx5_swp_info swp_info = {0}; + struct sk_buff *next; + int rc; rcu_read_lock(); accel_ops = mlx5_accel_get(priv->mdev);
@@ -417,7 +419,12 @@ netdev_tx_t mlx5e_xmit(struct sk_buff *skb, struct net_device *dev) sq = priv->txq_to_sq_map[skb_get_queue_mapping(skb)]; - return mlx5e_sq_xmit(sq, skb, &swp_info); + do { + next = skb->next; + rc = mlx5e_sq_xmit(sq, skb, &swp_info); + skb = next; + } while (next); + return rc; } bool mlx5e_poll_tx_cq(struct mlx5e_cq *cq, int napi_budget)
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2.7.4