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net/mlx5e: Add likely to the common RX checksum flow
authorGal Pressman <galp@mellanox.com>
Tue, 9 Jan 2018 12:40:21 +0000 (14:40 +0200)
committerSaeed Mahameed <saeedm@mellanox.com>
Fri, 19 Jan 2018 20:41:33 +0000 (22:41 +0200)
Most of the packets return true for is_last_ethertype_ip, surround it
with likely compiler hint.

Signed-off-by: Gal Pressman <galp@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
drivers/net/ethernet/mellanox/mlx5/core/en_rx.c patch | blob | history

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
index ff234df..0d4bb06 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
@@ -631,7 +631,7 @@ static inline void mlx5e_handle_csum(struct net_device *netdev,
                return;
        }
 
-       if (is_last_ethertype_ip(skb, &network_depth)) {
+       if (likely(is_last_ethertype_ip(skb, &network_depth))) {
                skb->ip_summed = CHECKSUM_COMPLETE;
                skb->csum = csum_unfold((__force __sum16)cqe->check_sum);
                if (network_depth > ETH_HLEN)