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net/mlx5e: Move to checksum complete

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

Signed-off-by: Matthew Finlay <matt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Matthew Finlay 2016-02-22 18:17:30 +02:00 committed by David S. Miller
parent 928cfe8745
commit 5f6d12d10f
1 changed files with 5 additions and 4 deletions
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9
drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
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@ -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);