From: Raed Salem Date: Wed, 17 Nov 2021 11:33:57 +0000 (+0200) Subject: net/mlx5e: IPsec: Fix Software parser inner l3 type setting in case of encapsulation X-Git-Tag: v6.6.17~8697^2~19^2~12 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c65d638ab39034cbaa36773b980d28106cfc81fa;p=platform%2Fkernel%2Flinux-rpi.git net/mlx5e: IPsec: Fix Software parser inner l3 type setting in case of encapsulation Current code wrongly uses the skb->protocol field which reflects the outer l3 protocol to set the inner l3 type in Software Parser (SWP) fields settings in the ethernet segment (eseg) in flows where inner l3 exists like in Vxlan over ESP flow, the above method wrongly use the outer protocol type instead of the inner one. thus breaking cases where inner and outer headers have different protocols. Fix by setting the inner l3 type in SWP according to the inner l3 ip header version. Fixes: 2ac9cfe78223 ("net/mlx5e: IPSec, Add Innova IPSec offload TX data path") Signed-off-by: Raed Salem Reviewed-by: Maor Dickman Signed-off-by: Saeed Mahameed --- diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_rxtx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_rxtx.c index fb53973..2db9573 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_rxtx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_rxtx.c @@ -191,7 +191,7 @@ static void mlx5e_ipsec_set_swp(struct sk_buff *skb, eseg->swp_inner_l3_offset = skb_inner_network_offset(skb) / 2; eseg->swp_inner_l4_offset = (skb->csum_start + skb->head - skb->data) / 2; - if (skb->protocol == htons(ETH_P_IPV6)) + if (inner_ip_hdr(skb)->version == 6) eseg->swp_flags |= MLX5_ETH_WQE_SWP_INNER_L3_IPV6; break; default: