netdev - [PATCH 4/4] netfilter: nft_flow_offload: fix offload with pppoe + vlan

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Message-Id: <20220506131841.3177-4-nbd@nbd.name>
Date:   Fri,  6 May 2022 15:18:41 +0200
From:   Felix Fietkau <nbd@....name>
To:     netdev@...r.kernel.org
Cc:     pablo@...filter.org
Subject: [PATCH 4/4] netfilter: nft_flow_offload: fix offload with pppoe + vlan

When running a combination of PPPoE on top of a VLAN, we need to set
info->outdev to the PPPoE device, otherwise PPPoE encap is skipped
during software offload.

Signed-off-by: Felix Fietkau <nbd@....name>
---
 net/netfilter/nft_flow_offload.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/net/netfilter/nft_flow_offload.c b/net/netfilter/nft_flow_offload.c
index d88de26aad75..187b8cb9a510 100644
--- a/net/netfilter/nft_flow_offload.c
+++ b/net/netfilter/nft_flow_offload.c
@@ -123,7 +123,8 @@ static void nft_dev_path_info(const struct net_device_path_stack *stack,
 				info->indev = NULL;
 				break;
 			}
-			info->outdev = path->dev;
+			if (!info->outdev)
+				info->outdev = path->dev;
 			info->encap[info->num_encaps].id = path->encap.id;
 			info->encap[info->num_encaps].proto = path->encap.proto;
 			info->num_encaps++;
-- 
2.35.1