netdev - Re: Optimizing instruction-cache, more packets at each stage

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Date:	Thu, 21 Jan 2016 14:59:54 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	gerlitz.or@...il.com
Cc:	brouer@...hat.com, tom@...bertland.com, eric.dumazet@...il.com,
	edumazet@...gle.com, netdev@...r.kernel.org,
	alexander.duyck@...il.com, alexei.starovoitov@...il.com,
	borkmann@...earbox.net, marek@...udflare.com,
	hannes@...essinduktion.org, fw@...len.de, pabeni@...hat.com,
	john.r.fastabend@...el.com, amirva@...il.com, matanb@...lanox.com
Subject: Re: Optimizing instruction-cache, more packets at each stage

From: Or Gerlitz <gerlitz.or@...il.com>
Date: Fri, 22 Jan 2016 00:45:13 +0200

> Dave, at least in the ConnectX4 (mlx5e driver), as I commented earlier
> on this thread, we can use programmed tags reported by the HW on the
> completion of packets  whether the ethtype is ipv4 or ipv6 or
> something else, and let the kernel
> branch look into the packet memory on in the last case.

Fair enough.