netdev - Re: [PATCH 0/4]: Revamp TX hashing.

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Message-ID: <20090128090203.GA15674@gondor.apana.org.au>
Date:	Wed, 28 Jan 2009 20:02:03 +1100
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	David Miller <davem@...emloft.net>
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH 0/4]: Revamp TX hashing.

David Miller <davem@...emloft.net> wrote:
> 
> The simple_tx_hash() function we currently have in
> net/core/dev.c is very rudimental and doesn't handle
> routing and firewall scenerios very well.

This is really cool! Thanks Dave!

> The next 4 patches attempt to cure that.  The end result
> is:
> 
> 1) The RX queue selection of the input device seeds the
>   TX queue selection for that SKB.
> 
> 2) Locally generated packets seed the TX queue using
>   skb->sk->sk_hash

One thing that I've been thinking about is that it would be
really useful if we guaranteed that every inbound packet carried
a hash with it.  This could be used to help subsequent processing
such as routing, netfilter, etc. since they all need to make
decisions based on flows.

Cheers,
-- 
Visit Openswan at http://www.openswan.org/
Email: Herbert Xu ~{PmV>HI~} <herbert@...dor.apana.org.au>
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