net/mlx5e: Delay skb->data access

Move mlx5e_handle_csum and eth_type_trans to the end of
mlx5e_build_rx_skb to gain some more time before accessing
skb->data, to reduce cache misses.

Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
index 5bdcc0b69f76e1f610446e6c86191b199772288e..ee5fa16aafd1e2a17e1c35b78de2e296369dac42 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
@@ -573,10 +573,6 @@ static inline void mlx5e_build_rx_skb(struct mlx5_cqe64 *cqe,
        if (unlikely(mlx5e_rx_hw_stamp(tstamp)))
                mlx5e_fill_hwstamp(tstamp, get_cqe_ts(cqe), skb_hwtstamps(skb));
 
-       mlx5e_handle_csum(netdev, cqe, rq, skb, !!lro_num_seg);
-
-       skb->protocol = eth_type_trans(skb, netdev);
-
        skb_record_rx_queue(skb, rq->ix);
 
        if (likely(netdev->features & NETIF_F_RXHASH))
@@ -587,6 +583,9 @@ static inline void mlx5e_build_rx_skb(struct mlx5_cqe64 *cqe,
                                       be16_to_cpu(cqe->vlan_info));
 
        skb->mark = be32_to_cpu(cqe->sop_drop_qpn) & MLX5E_TC_FLOW_ID_MASK;
+
+       mlx5e_handle_csum(netdev, cqe, rq, skb, !!lro_num_seg);
+       skb->protocol = eth_type_trans(skb, netdev);
 }
 
 static inline void mlx5e_complete_rx_cqe(struct mlx5e_rq *rq,