Re: bridge: Save frag_max_size between PRE_ROUTING and POST_ROUTING

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From: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Date: Sun, 5 Oct 2014 12:00:22 +0800

> bridge: Save frag_max_size between PRE_ROUTING and POST_ROUTING
> 
> As we may defragment the packet in IPv4 PRE_ROUTING and refragment
> it after POST_ROUTING we should save the value of frag_max_size.
> 
> This is still very wrong as the bridge is supposed to leave the
> packets intact, meaning that the right thing to do is to use the
> original frag_list for fragmentation.
> 
> Unfortunately we don't currently guarantee that the frag_list is
> left untouched throughout netfilter so until this changes this is
> the best we can do.
> 
> There is also a spot in FORWARD where it appears that we can
> forward a packet without going through fragmentation, mark it
> so that we can fix it later.
> 
> Signed-off-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>

Applied, thanks Herbert.
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