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Subject[PATCH net-next] net: core: use eth_type_vlan in tap_get_user_xdp
Date
From: Menglong Dong <dong.menglong@zte.com.cn>

Replace the check for ETH_P_8021Q and ETH_P_8021AD in
tap_get_user_xdp with eth_type_vlan.

Signed-off-by: Menglong Dong <dong.menglong@zte.com.cn>
---
drivers/net/tap.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/net/tap.c b/drivers/net/tap.c
index 3c652c8ac5ba..e007583b5bd1 100644
--- a/drivers/net/tap.c
+++ b/drivers/net/tap.c
@@ -1164,8 +1164,7 @@ static int tap_get_user_xdp(struct tap_queue *q, struct xdp_buff *xdp)
}

/* Move network header to the right position for VLAN tagged packets */
- if ((skb->protocol == htons(ETH_P_8021Q) ||
- skb->protocol == htons(ETH_P_8021AD)) &&
+ if (eth_type_vlan(skb->protocol) &&
__vlan_get_protocol(skb, skb->protocol, &depth) != 0)
skb_set_network_header(skb, depth);

--
2.25.1
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