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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