netdev - Re: [PATCH net-next 0/5] tcp: lockless listener fixes and improvement

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Date:	Mon, 05 Oct 2015 02:46:58 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	edumazet@...gle.com
Cc:	netdev@...r.kernel.org, eric.dumazet@...il.com
Subject: Re: [PATCH net-next 0/5] tcp: lockless listener fixes and
 improvement

From: Eric Dumazet <edumazet@...gle.com>
Date: Sun,  4 Oct 2015 21:08:06 -0700

> This fixes issues with TCP FastOpen vs lockless listeners,
> and SYNACK being attached to request sockets.
> 
> Then, last patch brings performance improvement for
> syncookies generation and validation.
> 
> Tested under a 4.3 Mpps SYNFLOOD attack, new perf profile looks
> like :
>     12.11%  [kernel]  [k] sha_transform
>      5.83%  [kernel]  [k] tcp_conn_request
>      4.59%  [kernel]  [k] __inet_lookup_listener
>      4.11%  [kernel]  [k] ipt_do_table
>      3.91%  [kernel]  [k] tcp_make_synack
>      3.05%  [kernel]  [k] fib_table_lookup
>      2.74%  [kernel]  [k] sock_wfree
>      2.66%  [kernel]  [k] memcpy_erms
>      2.12%  [kernel]  [k] tcp_v4_rcv

Series applied, thanks Eric.
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