diff options
| author | Stefano Brivio <sbrivio@redhat.com> | 2018-10-12 23:53:59 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-10-17 21:51:13 -0700 |
| commit | 6b4f92af3d59e882d3ba04c44a815266890d188f (patch) | |
| tree | 8446305611f6d7e76b1470f1ca91f8bdb822b7bf /drivers/net/vxlan.c | |
| parent | 7463e4f9b99c089cc962033b46349ff29f466e40 (diff) | |
geneve, vxlan: Don't set exceptions if skb->len < mtu
We shouldn't abuse exceptions: if the destination MTU is already higher
than what we're transmitting, no exception should be created.
Fixes: 52a589d51f10 ("geneve: update skb dst pmtu on tx path")
Fixes: a93bf0ff4490 ("vxlan: update skb dst pmtu on tx path")
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
Reviewed-by: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/vxlan.c')
| -rw-r--r-- | drivers/net/vxlan.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index 22e0ce592e07..27bd586b94b0 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -2194,7 +2194,7 @@ static void vxlan_xmit_one(struct sk_buff *skb, struct net_device *dev, } ndst = &rt->dst; - skb_dst_update_pmtu(skb, dst_mtu(ndst) - VXLAN_HEADROOM); + skb_tunnel_check_pmtu(skb, ndst, VXLAN_HEADROOM); tos = ip_tunnel_ecn_encap(tos, old_iph, skb); ttl = ttl ? : ip4_dst_hoplimit(&rt->dst); @@ -2231,7 +2231,7 @@ static void vxlan_xmit_one(struct sk_buff *skb, struct net_device *dev, goto out_unlock; } - skb_dst_update_pmtu(skb, dst_mtu(ndst) - VXLAN6_HEADROOM); + skb_tunnel_check_pmtu(skb, ndst, VXLAN6_HEADROOM); tos = ip_tunnel_ecn_encap(tos, old_iph, skb); ttl = ttl ? : ip6_dst_hoplimit(ndst); |