Re: [PATCH] sctp: Do not account for sizeof(struct sk_buff) in estimated rwnd

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From: Vlad Yasevich <vladislav.yasevich@xxxxxx>
Date: Tue, 20 Dec 2011 13:01:13 -0500

> 
> 
> On 12/20/2011 04:39 AM, Thomas Graf wrote:
>> On Tue, Dec 20, 2011 at 01:00:48PM +0800, Wei Yongjun wrote:
>>> I saw you discussed this with Vlad in old mail:
>>>      http://www.spinics.net/lists/linux-sctp/msg01365.html
>>>
>>> You said you will update patch to include a per packet overhead,
>>> but it does not include in this patch, what's wrong with in?
>>
>> It's not possible because upon retransmission of a chunk we need
>> to readd the overhead to the rwnd. There is no longer a reference
>> to a packet so we can't know how much to add. This explanation is
>> also in the original mail thread.
>>
> 
> 
> Right.  The original patches were done to work around the problem of
> leftover rwnd when socket buffer is exhausted and they didn't really
> address the problem sufficiently.  It was still possible to reach that
> condition.  Some subsequent patches added support to address this
> issue
> a different way.  As a result, I think this revert is just fine.
> 
> Acked-by: Vlad Yasevich <vladislav.yasevich@xxxxxx>

Applied, thanks everyone.
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