From 9c2e14b48119b39446031d29d994044ae958d8fc Mon Sep 17 00:00:00 2001 From: Yi-Hung Wei Date: Tue, 10 Nov 2020 16:16:40 -0800 Subject: ip_tunnels: Set tunnel option flag when tunnel metadata is present Currently, we may set the tunnel option flag when the size of metadata is zero. For example, we set TUNNEL_GENEVE_OPT in the receive function no matter the geneve option is present or not. As this may result in issues on the tunnel flags consumers, this patch fixes the issue. Related discussion: * https://lore.kernel.org/netdev/1604448694-19351-1-git-send-email-yihung.wei@gmail.com/T/#u Fixes: 256c87c17c53 ("net: check tunnel option type in tunnel flags") Signed-off-by: Yi-Hung Wei Link: https://lore.kernel.org/r/1605053800-74072-1-git-send-email-yihung.wei@gmail.com Signed-off-by: Jakub Kicinski --- drivers/net/geneve.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'drivers/net/geneve.c') diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c index d07008a818df..1426bfc009bc 100644 --- a/drivers/net/geneve.c +++ b/drivers/net/geneve.c @@ -224,8 +224,7 @@ static void geneve_rx(struct geneve_dev *geneve, struct geneve_sock *gs, if (ip_tunnel_collect_metadata() || gs->collect_md) { __be16 flags; - flags = TUNNEL_KEY | TUNNEL_GENEVE_OPT | - (gnvh->oam ? TUNNEL_OAM : 0) | + flags = TUNNEL_KEY | (gnvh->oam ? TUNNEL_OAM : 0) | (gnvh->critical ? TUNNEL_CRIT_OPT : 0); tun_dst = udp_tun_rx_dst(skb, geneve_get_sk_family(gs), flags, -- cgit