diff options
| author | Ingo Molnar <mingo@elte.hu> | 2009-11-17 10:16:43 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-11-17 10:17:47 +0100 |
| commit | a7b63425a41cd6a8d50f76fef0660c5110f97e91 (patch) | |
| tree | be17ee121f1c8814d8d39c9f3e0205d9397fab54 /net/ipv4/ipip.c | |
| parent | 35039eb6b199749943547c8572be6604edf00229 (diff) | |
| parent | 3726cc75e581c157202da93bb2333cce25c15c98 (diff) | |
Merge branch 'perf/core' into perf/probes
Resolved merge conflict in tools/perf/Makefile
Merge reason: we want to queue up a dependent patch.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'net/ipv4/ipip.c')
| -rw-r--r-- | net/ipv4/ipip.c | 32 |
1 files changed, 17 insertions, 15 deletions
diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c index 08ccd344de7..ae40ed1ba56 100644 --- a/net/ipv4/ipip.c +++ b/net/ipv4/ipip.c @@ -438,25 +438,27 @@ static netdev_tx_t ipip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev) goto tx_error; } - if (tiph->frag_off) + df |= old_iph->frag_off & htons(IP_DF); + + if (df) { mtu = dst_mtu(&rt->u.dst) - sizeof(struct iphdr); - else - mtu = skb_dst(skb) ? dst_mtu(skb_dst(skb)) : dev->mtu; - if (mtu < 68) { - stats->collisions++; - ip_rt_put(rt); - goto tx_error; - } - if (skb_dst(skb)) - skb_dst(skb)->ops->update_pmtu(skb_dst(skb), mtu); + if (mtu < 68) { + stats->collisions++; + ip_rt_put(rt); + goto tx_error; + } - df |= (old_iph->frag_off&htons(IP_DF)); + if (skb_dst(skb)) + skb_dst(skb)->ops->update_pmtu(skb_dst(skb), mtu); - if ((old_iph->frag_off&htons(IP_DF)) && mtu < ntohs(old_iph->tot_len)) { - icmp_send(skb, ICMP_DEST_UNREACH, ICMP_FRAG_NEEDED, htonl(mtu)); - ip_rt_put(rt); - goto tx_error; + if ((old_iph->frag_off & htons(IP_DF)) && + mtu < ntohs(old_iph->tot_len)) { + icmp_send(skb, ICMP_DEST_UNREACH, ICMP_FRAG_NEEDED, + htonl(mtu)); + ip_rt_put(rt); + goto tx_error; + } } if (tunnel->err_count > 0) { |