svn commit: r303766 - head/sys/netinet

Sepherosa Ziehau sephe at freebsd.org
Fri Aug 26 01:24:08 UTC 2016


On Fri, Aug 26, 2016 at 1:52 AM, hiren panchasara
<hiren at strugglingcoder.info> wrote:
> On 08/05/16 at 09:08P, Sepherosa Ziehau wrote:
>> Author: sephe
>> Date: Fri Aug  5 09:08:00 2016
>> New Revision: 303766
>> URL: https://svnweb.freebsd.org/changeset/base/303766
>>
>> Log:
>>   tcp/lro: If timestamps mismatch or it's a FIN, force flush.
>>
>>   This keeps the segments/ACK/FIN delivery order.
>>
>>   Before this patch, it was observed: if A sent FIN immediately after
>>   an ACK, B would deliver FIN first to the TCP stack, then the ACK.
>>   This out-of-order delivery causes one unnecessary ACK sent from B.
>>
>>   Reviewed by:        gallatin, hps
>>   Obtained from:  rrs, gallatin
>>   Sponsored by:       Netflix (rrs, gallatin), Microsoft (sephe)
>>   Differential Revision:      https://reviews.freebsd.org/D7415
>
> Hi Sephe,
>
> This looks like a good fix for stable/11. Can you please MFC it?

Yeah, sure.

Thanks,
sephe

-- 
Tomorrow Will Never Die


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