netdev - Re: A problem about ICMP packet-too-big message handler

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Message-ID: <54C885D3.70808@huawei.com>
Date:	Wed, 28 Jan 2015 14:46:43 +0800
From:	Yang Yingliang <yangyingliang@...wei.com>
To:	Martin Lau <kafai@...com>
CC:	netdev <netdev@...r.kernel.org>,
	"David S. Miller" <davem@...emloft.net>
Subject: Re: A problem about ICMP packet-too-big message handler

On 2015/1/28 13:19, Martin Lau wrote:
> On Tue, Jan 27, 2015 at 08:58:53PM +0800, Yang Yingliang wrote:
>> Hi,
>>
>> My kernel is 3.10 LTS.
>>
>> I got a problem here about handling ICMP packet-too-big message.
>>
>> Before sending a packet-too-big packet :
> The expires should be set by the host _receiving_ the icmpv6 too-big.
> 
> Can you spell out some details of the outgoing icmpv6 too-big packet?
> like, the src/dst ip of the icmpv6 and the original ip packet that triggered the
> too-big.
> 

I don't send too-big packet to trigger the err handling.

I just only send a ICMPv6 packet which type is ICMPV6_PKT_TOOBIG.
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