Commit 9a52f6d4 authored May 22, 2024 by Rahul Rameshbabu Committed by David S. Miller May 24, 2024

net/mlx5e: Fix IPsec tunnel mode offload feature check



Remove faulty check disabling checksum offload and GSO for offload of
simple IPsec tunnel L4 traffic. Comment previously describing the deleted
code incorrectly claimed the check prevented double tunnel (or three layers
of ip headers).

Fixes: f1267798 ("net/mlx5: Fix checksum issue of VXLAN and IPsec crypto offload")
Signed-off-by: Rahul Rameshbabu <rrameshbabu@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 16d66a4f

drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_rxtx.h

+5 −12

Original line number	Diff line number	Diff line
		@@ -97,18 +97,11 @@ mlx5e_ipsec_feature_check(struct sk_buff *skb, netdev_features_t features)
		if (!x \|\| !x->xso.offload_handle)
		goto out_disable;

		if (xo->inner_ipproto) {
		/* Cannot support tunnel packet over IPsec tunnel mode
		* because we cannot offload three IP header csum
		*/
		if (x->props.mode == XFRM_MODE_TUNNEL)
		goto out_disable;

		/* Only support UDP or TCP L4 checksum */
		if (xo->inner_ipproto != IPPROTO_UDP &&
		if (xo->inner_ipproto &&
		xo->inner_ipproto != IPPROTO_UDP &&
		xo->inner_ipproto != IPPROTO_TCP)
		goto out_disable;
		}

		return features;