netdev - Re: PF_RING: Include in main line kernel?

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Date:	Wed, 14 Oct 2009 13:27:56 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	deri@...p.org
Cc:	shemminger@...tta.com, brad.doctor@...il.com,
	netdev@...r.kernel.org
Subject: Re: PF_RING: Include in main line kernel?

From: Luca Deri <deri@...p.org>
Date: Wed, 14 Oct 2009 22:17:30 +0200

> Another reason, is that having a hook in dev.c, device drivers can
> pass PF_RING packets directly without going through the standard
> kernel mechanisms. For instance I have developed some drivers that if
> they detect the presence of PF_RING, pass received packets directly to
> PF_RING instead of going with NAPI.

There is absolutely no reason to do this.

If the existing infrastructure isn't good or fast enough,
fix it, don't bypass it.
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