netdev - Re: flow director and packet ordering

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Message-ID: <20090705041955.GA7892@gondor.apana.org.au>
Date:	Sun, 5 Jul 2009 12:19:55 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	David Miller <davem@...emloft.net>
Cc:	peter.p.waskiewicz.jr@...el.com, netdev@...r.kernel.org,
	jeffrey.t.kirsher@...el.com, jesse.brandeburg@...el.com
Subject: Re: flow director and packet ordering

David Miller <davem@...emloft.net> wrote:
>
> In the meantime you cannot switch the RX queue mapping without
> introducing reordering.
> 
> So my original fears and doubts still stand :-)

Methinks this whole idea is doomed.  The fact is as long as there
are more sockets than queues, then you can have two sockets pull
the same queue in different directions and there's nothing you can
do about that.

That's my bit of uncertainty for you :)

Cheers,
-- 
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Email: Herbert Xu ~{PmV>HI~} <herbert@...dor.apana.org.au>
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