This is a note to let you know that I've just added the patch titled
ip6_output: fragment outgoing reassembled skb properly
to the 3.12-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
ip6_output-fragment-outgoing-reassembled-skb-properly.patch
and it can be found in the queue-3.12 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From foo@baz Thu Dec 5 16:16:39 PST 2013
From: Jiri Pirko <jiri@xxxxxxxxxxx>
Date: Wed, 6 Nov 2013 17:52:19 +0100
Subject: ip6_output: fragment outgoing reassembled skb properly
From: Jiri Pirko <jiri@xxxxxxxxxxx>
[ Upstream commit 9037c3579a277f3a23ba476664629fda8c35f7c4 ]
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@xxxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
net/ipv6/ip6_output.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -125,7 +125,8 @@ static int ip6_finish_output2(struct sk_
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);
Patches currently in stable-queue which might be from jiri@xxxxxxxxxxx are
queue-3.12/ip6_output-fragment-outgoing-reassembled-skb-properly.patch
queue-3.12/netfilter-push-reasm-skb-through-instead-of-original-frag-skbs.patch
queue-3.12/team-fix-master-carrier-set-when-user-linkup-is-enabled.patch
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