netdev - [PATCH net-next 5/6] net/mlx5e: Use tcp_v[46]

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Date: Fri, 14 Jun 2024 00:00:35 +0300
From: Tariq Toukan <tariqt@...dia.com>
To: "David S. Miller" <davem@...emloft.net>, Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>, Eric Dumazet <edumazet@...gle.com>
CC: <netdev@...r.kernel.org>, Saeed Mahameed <saeedm@...dia.com>, Gal Pressman
	<gal@...dia.com>, Leon Romanovsky <leonro@...dia.com>, Rahul Rameshbabu
	<rrameshbabu@...dia.com>, Tariq Toukan <tariqt@...dia.com>
Subject: [PATCH net-next 5/6] net/mlx5e: Use tcp_v[46]_check checksum helpers

From: Gal Pressman <gal@...dia.com>

Use the tcp specific helpers to calculate the tcp pseudo header checksum
instead of the csum_*_magic ones.

Signed-off-by: Gal Pressman <gal@...dia.com>
Reviewed-by: Rahul Rameshbabu <rrameshbabu@...dia.com>
Signed-off-by: Tariq Toukan <tariqt@...dia.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/en_rx.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
index 43f018567faf..225da8d691fc 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
@@ -1182,9 +1182,8 @@ static void mlx5e_lro_update_hdr(struct sk_buff *skb, struct mlx5_cqe64 *cqe,
 		check = csum_partial(tcp, tcp->doff * 4,
 				     csum_unfold((__force __sum16)cqe->check_sum));
 		/* Almost done, don't forget the pseudo header */
-		tcp->check = csum_tcpudp_magic(ipv4->saddr, ipv4->daddr,
-					       tot_len - sizeof(struct iphdr),
-					       IPPROTO_TCP, check);
+		tcp->check = tcp_v4_check(tot_len - sizeof(struct iphdr),
+					  ipv4->saddr, ipv4->daddr, check);
 	} else {
 		u16 payload_len = tot_len - sizeof(struct ipv6hdr);
 		struct ipv6hdr *ipv6 = ip_p;
@@ -1199,8 +1198,8 @@ static void mlx5e_lro_update_hdr(struct sk_buff *skb, struct mlx5_cqe64 *cqe,
 		check = csum_partial(tcp, tcp->doff * 4,
 				     csum_unfold((__force __sum16)cqe->check_sum));
 		/* Almost done, don't forget the pseudo header */
-		tcp->check = csum_ipv6_magic(&ipv6->saddr, &ipv6->daddr, payload_len,
-					     IPPROTO_TCP, check);
+		tcp->check = tcp_v6_check(payload_len, &ipv6->saddr,
+					  &ipv6->daddr, check);
 	}
 }
 
-- 
2.44.0