netdev - Re: resend: tcp: performance issue with fastopen connections (mss

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <CANn89i+5m2uUBmHRHG32_oPyR53vQoG4SfOY6xWG_RNxPz6dZw@mail.gmail.com>
Date:   Fri, 13 Jan 2017 09:14:38 -0800
From:   Eric Dumazet <edumazet@...gle.com>
To:     Alexey Kodanev <alexey.kodanev@...cle.com>
Cc:     Eric Dumazet <eric.dumazet@...il.com>,
        David Miller <davem@...emloft.net>,
        netdev <netdev@...r.kernel.org>,
        Vasily Isaenko <vasily.isaenko@...cle.com>,
        Neal Cardwell <ncardwell@...gle.com>,
        Yuchung Cheng <ycheng@...gle.com>
Subject: Re: resend: tcp: performance issue with fastopen connections (mss > window)

On Fri, Jan 13, 2017 at 9:07 AM, Alexey Kodanev
<alexey.kodanev@...cle.com> wrote:
> Hi Eric,
> On 13.01.2017 18:35, Eric Dumazet wrote:

>> Care to send a packetdrill test so that we have a clear picture of what
>> is going on ?
>
> Is it capable of making two connections in the single test, one after
> another?

Absolutely.

Neal, Yuchung would you be kind enough to send a Fastopen tpacketdrill
template showing a typical fastopen test
running on an upstream kernel ?

Thanks !