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net/mlx5e: Delay skb->data access

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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>
This commit is contained in:
Saeed Mahameed 2016-04-20 22:02:18 +03:00 committed by David S. Miller
parent 1bfec31627
commit e20a0db304
1 changed files with 3 additions and 4 deletions
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7
drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
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@ -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,