netdev - Re: [net-next fragmentation icmp v5 3/3] bridge_netfilter: No ICMP packet on IPv4 fragmentation error

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Message-ID: <20150515223156.GM6179@breakpoint.cc>
Date:	Sat, 16 May 2015 00:31:56 +0200
From:	Florian Westphal <fw@...len.de>
To:	Andy Zhou <azhou@...ira.com>
Cc:	davem@...emloft.net, netdev@...r.kernel.org
Subject: Re: [net-next fragmentation icmp v5 3/3] bridge_netfilter: No ICMP
 packet on IPv4 fragmentation error

Andy Zhou <azhou@...ira.com> wrote:
> When bridge netfilter re-fragments an IP packet for output, all
> packets that can not be re-fragmented to their original input size
> should be silently discarded.
> 
> However, current bridge netfilter output path generates an ICMP packet
> with 'size exceeded MTU' message for such packets, this is a bug.
> 
> This patch refactors the ip_fragment() API to allow two separate
> use cases. The bridge netfilter user case will not
> send ICMP, the routing output will, as before.
> 
> Signed-off-by: Andy Zhou <azhou@...ira.com>

for bridge netfilter:
Acked-by: Florian Westphal <fw@...len.de>
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