From: Ilya Lesokhin <ilyal@xxxxxxxxxxxx>
Modify mlx5e_xmit to xmit multiple packet chained
using skb->next
Signed-off-by: Ilya Lesokhin <ilyal@xxxxxxxxxxxx>
Signed-off-by: Aviad Yehezkel <aviadye@xxxxxxxxxxxx>
---
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)
--
2.7.4
