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From: Sangjin Han <sangjin@eecs.berkeley.edu>
To: Daniel Kan <dan@nyansa.com>
Cc: dev@dpdk.org
Subject: Re: [dpdk-dev] Is it possible to get symmetric hash from RSS for a given flow
Date: Thu, 27 Feb 2014 16:24:44 -0800	[thread overview]
Message-ID: <CAPG33HQb7wQO7XUqTeVZq9iOf1gkP0EYnR4=fAz1Ub4JRXu6Ow@mail.gmail.com> (raw)
In-Reply-To: <D4721FD3-C27D-4B8F-9990-AED186050106@nyansa.com>

Hi,

This is exactly what you want:
http://www.ndsl.kaist.edu/~shinae/papers/TR-symRSS.pdf

Sangjin

On Thu, Feb 27, 2014 at 4:22 PM, Daniel Kan <dan@nyansa.com> wrote:
> Hi,
> It appears that the hash computed from RSS is unidirectional. Hence, for a 5-tuple flow, packet in one direction can be routed to a queue that may be different than packet in the other direction. I'm wondering if there is a configuration or mechanism to get a symmetric hash so that all packets for a given flow will be in the same queue. Thanks in advance.
>
> Dan

  reply	other threads:[~2014-02-28  0:23 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-02-28  0:22 Daniel Kan
2014-02-28  0:24 ` Sangjin Han [this message]
2014-02-28  1:04   ` Daniel Kan
2014-02-28  1:08     ` Stefan Baranoff
2014-02-28  5:34       ` Daniel Kan

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