netdev - SO_REUSEPORT - can it be done in kernel?

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Message-ID: <AANLkTimDtaV=WhZUUEivg3_vEUeUk3_WQSs09h7USiUj@mail.gmail.com>
Date:	Thu, 27 Jan 2011 12:07:51 +0200
From:	Daniel Baluta <daniel.baluta@...il.com>
To:	therbert@...gle.com
Cc:	netdev@...r.kernel.org
Subject: SO_REUSEPORT - can it be done in kernel?

Hi Tom,

How did you solved the issue regarding scaling TCP listeners?
I think SO_REUSEPORT proposed by patch [1] can be a good
start. Where there any follow ups?

Also, solving the problem in users pace can be an option. I want
to run multiple instances of a DNS server on a multi core system.
Any suggestions would be welcomed.

SO_REUSEPORT option seems to be already there [2]. Where
there any plans to have a kernel implementation?

thanks,
Daniel.

[1] http://amailbox.org/mailarchive/linux-netdev/2010/4/19/6274993
[2] http://lxr.linux.no/linux+v2.6.37/include/asm-generic/socket.h#L25
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