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Commit 5f6d12d1 authored by Matthew Finlay's avatar Matthew Finlay Committed by David S. Miller
Browse files

net/mlx5e: Move to checksum complete 



Use checksum complete for all IP packets, unless they are HW LRO,
in which case, use checksum unnecessary.

Signed-off-by: default avatarMatthew Finlay <matt@mellanox.com>
Signed-off-by: default avatarSaeed Mahameed <saeedm@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 928cfe87

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

+5 −4
Original line number Diff line number Diff line
@@ -167,14 +167,15 @@ static inline bool is_first_ethertype_ip(struct sk_buff *skb) 
static inline void mlx5e_handle_csum(struct net_device *netdev,

				     struct mlx5_cqe64 *cqe,

				     struct mlx5e_rq *rq,

				     struct sk_buff *skb)

				     struct sk_buff *skb,

				     bool   lro)

{

	if (unlikely(!(netdev->features & NETIF_F_RXCSUM)))

		goto csum_none;



	if (likely(cqe->hds_ip_ext & CQE_L4_OK)) {

	if (lro) {

		skb->ip_summed = CHECKSUM_UNNECESSARY;

	} else if (is_first_ethertype_ip(skb)) {

	} else if (likely(is_first_ethertype_ip(skb))) {

		skb->ip_summed = CHECKSUM_COMPLETE;

		skb->csum = csum_unfold((__force __sum16)cqe->check_sum);

		rq->stats.csum_sw++;
@@ -211,7 +212,7 @@ 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);

	mlx5e_handle_csum(netdev, cqe, rq, skb, !!lro_num_seg);



	skb->protocol = eth_type_trans(skb, netdev);