Commit 95b9606b authored by Alexei Lazar's avatar Alexei Lazar Committed by Jakub Kicinski
Browse files

net/mlx5: Extend Ethtool loopback selftest to support non-linear SKB 



Current loopback test validation ignores non-linear SKB case in
the SKB access, which can lead to failures in scenarios such as
when HW GRO is enabled.
Linearize the SKB so both cases will be handled.

Signed-off-by: default avatarAlexei Lazar <alazar@nvidia.com>
Reviewed-by: default avatarDragos Tatulea <dtatulea@nvidia.com>
Signed-off-by: default avatarTariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/20250209101716.112774-15-tariqt@nvidia.com


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 896c92aa

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

+3 −0
Original line number Diff line number Diff line
@@ -166,6 +166,9 @@ mlx5e_test_loopback_validate(struct sk_buff *skb, 
	struct udphdr *udph;

	struct iphdr *iph;



	if (skb_linearize(skb))

		goto out;



	/* We are only going to peek, no need to clone the SKB */

	if (MLX5E_TEST_PKT_SIZE - ETH_HLEN > skb_headlen(skb))

		goto out;