diff options
| author |   Don Dugger <donald.d.dugger@intel.com> | 2015-10-29 22:15:25 +0000 |
|---|---|---|
| committer |   Gerrit Code Review <gerrit@172.30.200.206> | 2015-10-29 22:15:25 +0000 |
| commit | afc76d554ed517e38d46b6b182a7016406a1323f (patch) | |
| tree | 06133cb33a43488837ea67667458e1582f2f40ce /kernel/net/ipv4/ip_tunnel.c | |
| parent | 41f827bfbb10e03c4d228fbcc801dd51fb9983b0 (diff) | |
| parent | ec0a2ed6d8a5e555edef907895c041e285fdb495 (diff) | |
Merge "These changes are a raw update to a vanilla kernel 4.1.10, with the recently announced rt patch patch-4.1.10-rt10.patch. No further changes needed."
Diffstat (limited to 'kernel/net/ipv4/ip_tunnel.c')
| -rw-r--r-- | kernel/net/ipv4/ip_tunnel.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/kernel/net/ipv4/ip_tunnel.c b/kernel/net/ipv4/ip_tunnel.c index 4c2c3ba4b..626d9e56a 100644 --- a/kernel/net/ipv4/ip_tunnel.c +++ b/kernel/net/ipv4/ip_tunnel.c @@ -586,7 +586,8 @@ int ip_tunnel_encap(struct sk_buff *skb, struct ip_tunnel *t, EXPORT_SYMBOL(ip_tunnel_encap); static int tnl_update_pmtu(struct net_device *dev, struct sk_buff *skb, - struct rtable *rt, __be16 df) + struct rtable *rt, __be16 df, + const struct iphdr *inner_iph) { struct ip_tunnel *tunnel = netdev_priv(dev); int pkt_size = skb->len - tunnel->hlen - dev->hard_header_len; @@ -603,7 +604,8 @@ static int tnl_update_pmtu(struct net_device *dev, struct sk_buff *skb, if (skb->protocol == htons(ETH_P_IP)) { if (!skb_is_gso(skb) && - (df & htons(IP_DF)) && mtu < pkt_size) { + (inner_iph->frag_off & htons(IP_DF)) && + mtu < pkt_size) { memset(IPCB(skb), 0, sizeof(*IPCB(skb))); icmp_send(skb, ICMP_DEST_UNREACH, ICMP_FRAG_NEEDED, htonl(mtu)); return -E2BIG; @@ -737,7 +739,7 @@ void ip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev, goto tx_error; } - if (tnl_update_pmtu(dev, skb, rt, tnl_params->frag_off)) { + if (tnl_update_pmtu(dev, skb, rt, tnl_params->frag_off, inner_iph)) { ip_rt_put(rt); goto tx_error; } |