[PATCH net-next] net: core: use eth_type_vlan in tap_get_user_xdp
From: <hidden>
Date: 2021-01-14 07:45:48
Also in:
bpf, lkml
Subsystem:
networking drivers, the rest, tun/tap driver · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds, Willem de Bruijn, Jason Wang
From: Menglong Dong <redacted> 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 <redacted> --- 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