netdev - Re: [PATCHv3] sctp: ABORT if receive, reassmbly, or reodering queue is not empty while closing socket

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Message-Id: <20110708.095318.419802655953112570.davem@davemloft.net>
Date:	Fri, 08 Jul 2011 09:53:18 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	vladislav.yasevich@...com
Cc:	netdev@...r.kernel.org, yjwei@...fujitsu.com, sri@...ibm.com,
	linux-sctp@...r.kernel.org
Subject: Re: [PATCHv3] sctp: ABORT if receive, reassmbly, or reodering
 queue is not empty while closing socket

From: Vladislav Yasevich <vladislav.yasevich@...com>
Date: Fri, 08 Jul 2011 12:43:59 -0400

> On 07/08/2011 10:37 AM, Thomas Graf wrote:
>> Trigger user ABORT if application closes a socket which has data
>> queued on the socket receive queue or chunks waiting on the
>> reassembly or ordering queue as this would imply data being lost
>> which defeats the point of a graceful shutdown.
>> 
>> This behavior is already practiced in TCP.
>> 
>> We do not check the input queue because that would mean to parse
>> all chunks on it to look for unacknowledged data which seems too
>> much of an effort. Control chunks or duplicated chunks may also
>> be in the input queue and should not be stopping a graceful
>> shutdown.
>> 
>> Signed-off-by: Thomas Graf <tgraf@...radead.org>
> 
> Acked-by: Vlad Yasevich <vladislav.yasevich@...com>

Applied, thanks.
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