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authorJiri Pirko <jiri@resnulli.us>2013-11-06 17:52:19 +0100
committerDavid S. Miller <davem@davemloft.net>2013-11-11 00:19:35 -0500
commit9037c3579a277f3a23ba476664629fda8c35f7c4 (patch)
tree34a0cfaafe05c9a8d769d22b6cc8269121228ec7 /net
parent4e3faf88638ceb01523e0bd3db3d0081c6b0c2ab (diff)
downloadop-kernel-dev-9037c3579a277f3a23ba476664629fda8c35f7c4.zip
op-kernel-dev-9037c3579a277f3a23ba476664629fda8c35f7c4.tar.gz
ip6_output: fragment outgoing reassembled skb properly
If reassembled packet would fit into outdev MTU, it is not fragmented according the original frag size and it is send as single big packet. The second case is if skb is gso. In that case fragmentation does not happen according to the original frag size. This patch fixes these. Signed-off-by: Jiri Pirko <jiri@resnulli.us> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/ipv6/ip6_output.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 91fb4e8..5e31a90 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -125,7 +125,8 @@ static int ip6_finish_output2(struct sk_buff *skb)
static int ip6_finish_output(struct sk_buff *skb)
{
if ((skb->len > ip6_skb_dst_mtu(skb) && !skb_is_gso(skb)) ||
- dst_allfrag(skb_dst(skb)))
+ dst_allfrag(skb_dst(skb)) ||
+ (IP6CB(skb)->frag_max_size && skb->len > IP6CB(skb)->frag_max_size))
return ip6_fragment(skb, ip6_finish_output2);
else
return ip6_finish_output2(skb);
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