netdev - Re: [PATCH net-next] ipv6: pass up EMSGSIZE msg for UDP socket in Ipv6

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Message-Id: <20160219.154712.457066043473867991.davem@davemloft.net>
Date:	Fri, 19 Feb 2016 15:47:12 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	tracywwnj@...il.com
Cc:	netdev@...r.kernel.org, edumazet@...gle.com, weiwan@...gle.com
Subject: Re: [PATCH net-next] ipv6: pass up EMSGSIZE msg for UDP socket in
 Ipv6

From: Wei Wang <tracywwnj@...il.com>
Date: Wed, 17 Feb 2016 13:58:22 -0800

> From: Wei Wang <weiwan@...gle.com>
> 
> In ipv4,  when  the machine receives a ICMP_FRAG_NEEDED message,  the
> connected UDP socket will get EMSGSIZE message on its next read from the
> socket.
> However, this is not the case for ipv6.
> This fix modifies the udp err handler in Ipv6 for ICMP6_PKT_TOOBIG to
> make it similar to ipv4 behavior. That is when the machine gets an
> ICMP6_PKT_TOOBIG message, the connected UDP socket will get EMSGSIZE
> message on its next read from the socket.
> 
> Signed-off-by: Wei Wang <weiwan@...gle.com>

Applied.