netdev - [net-next 15/15] net/mlx5e: Add likely to the common RX checksum flow

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Date:   Fri, 19 Jan 2018 23:34:57 +0200
From:   Saeed Mahameed <saeedm@...lanox.com>
To:     "David S. Miller" <davem@...emloft.net>
Cc:     netdev@...r.kernel.org, Gal Pressman <galp@...lanox.com>,
        Saeed Mahameed <saeedm@...lanox.com>
Subject: [net-next 15/15] net/mlx5e: Add likely to the common RX checksum flow

From: Gal Pressman <galp@...lanox.com>

Most of the packets return true for is_last_ethertype_ip, surround it
with likely compiler hint.

Signed-off-by: Gal Pressman <galp@...lanox.com>
Signed-off-by: Saeed Mahameed <saeedm@...lanox.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/en_rx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
index ff234dfefc27..0d4bb0688faa 100644
--- 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)
-- 
2.13.0