netdev - Re: [PATCH net-next 2/5] net: sctp: implement rfc6458, 5.3.4. SCTP

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Message-ID: <53BD4AD0.9020201@gmail.com>
Date:	Wed, 09 Jul 2014 09:59:44 -0400
From:	Vlad Yasevich <vyasevich@...il.com>
To:	David Laight <David.Laight@...LAB.COM>,
	'Daniel Borkmann' <dborkman@...hat.com>
CC:	"'davem@...emloft.net'" <davem@...emloft.net>,
	"'geirola@...il.com'" <geirola@...il.com>,
	"'netdev@...r.kernel.org'" <netdev@...r.kernel.org>,
	"'linux-sctp@...r.kernel.org'" <linux-sctp@...r.kernel.org>
Subject: Re: [PATCH net-next 2/5] net: sctp: implement rfc6458, 5.3.4. SCTP_SNDINFO
 cmsg support

On 07/08/2014 09:30 AM, David Laight wrote:
> From: David Laight
>> Some actions do need deferring - for instance sending SACK should be deferred
>> until all the data chunks have been processed.
> 
> That does seem to happen with a 3.14 kernel.
> My 'other' test system in running 2.6.26 and probably sends multiple sacks
> for packets containing a lot of data chunks.
> 
> 	David

That shouldn't happen even in 2.6.26.  SACKs were always per packet, not per chunk

-vlad

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