Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit e20a0db3 authored by Saeed Mahameed's avatar Saeed Mahameed Committed by David S. Miller
Browse files

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: default avatarSaeed Mahameed <saeedm@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 1bfec316

drivers/net/ethernet/mellanox/mlx5/core/en_rx.c

+3 −4
Original line number Diff line number Diff line
@@ -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,