Commit fac15a72 authored by Gal Pressman's avatar Gal Pressman Committed by Jakub Kicinski
Browse files

net/mlx5e: Use tcp_v[46]_check checksum helpers 



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

Signed-off-by: default avatarGal Pressman <gal@nvidia.com>
Reviewed-by: default avatarRahul Rameshbabu <rrameshbabu@nvidia.com>
Signed-off-by: default avatarTariq Toukan <tariqt@nvidia.com>
Link: https://lore.kernel.org/r/20240613210036.1125203-6-tariqt@nvidia.com


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent a9dbb4ac

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

+4 −5
Original line number Diff line number Diff line
@@ -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);

	}

}