mlx5: use napi_consume_skb API to get bulk free operations

Bulk free of SKBs happen transparently by the API call napi_consume_skb().
The napi budget parameter is needed by napi_consume_skb() to detect
if called from netpoll.

Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h b/drivers/net/ethernet/mellanox/mlx5/core/en.h
index 0f76d32..0cb4a09 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx5/core/en.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h
@@ -629,7 +629,7 @@ netdev_tx_t mlx5e_xmit(struct sk_buff *skb, struct net_device *dev);
 void mlx5e_completion_event(struct mlx5_core_cq *mcq);
 void mlx5e_cq_error_event(struct mlx5_core_cq *mcq, enum mlx5_event event);
 int mlx5e_napi_poll(struct napi_struct *napi, int budget);
-bool mlx5e_poll_tx_cq(struct mlx5e_cq *cq);
+bool mlx5e_poll_tx_cq(struct mlx5e_cq *cq, int napi_budget);
 int mlx5e_poll_rx_cq(struct mlx5e_cq *cq, int budget);
 bool mlx5e_post_rx_wqes(struct mlx5e_rq *rq);
 struct mlx5_cqe64 *mlx5e_get_cqe(struct mlx5e_cq *cq);

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
index 94a14f8..1ffc7cb 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
@@ -339,7 +339,7 @@ netdev_tx_t mlx5e_xmit(struct sk_buff *skb, struct net_device *dev)
        return mlx5e_sq_xmit(sq, skb);
 }
 
-bool mlx5e_poll_tx_cq(struct mlx5e_cq *cq)
+bool mlx5e_poll_tx_cq(struct mlx5e_cq *cq, int napi_budget)
 {
        struct mlx5e_sq *sq;
        u32 dma_fifo_cc;
@@ -411,7 +411,7 @@ bool mlx5e_poll_tx_cq(struct mlx5e_cq *cq)
                        npkts++;
                        nbytes += wi->num_bytes;
                        sqcc += wi->num_wqebbs;
-                       dev_kfree_skb(skb);
+                       napi_consume_skb(skb, napi_budget);
                } while (!last_wqe);
        }
 

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c
index 66d51a7..9bb4395 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c
@@ -60,7 +60,7 @@ int mlx5e_napi_poll(struct napi_struct *napi, int budget)
        clear_bit(MLX5E_CHANNEL_NAPI_SCHED, &c->flags);
 
        for (i = 0; i < c->num_tc; i++)
-               busy |= mlx5e_poll_tx_cq(&c->sq[i].cq);
+               busy |= mlx5e_poll_tx_cq(&c->sq[i].cq, budget);
 
        work_done = mlx5e_poll_rx_cq(&c->rq.cq, budget);
        busy |= work_done == budget;