netdev - Re: [PATCH 0/7 RFC] Netfilter/nf

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Message-ID: <20150414153613.GA2781@Alexeis-MBP.westell.com>
Date:	Tue, 14 Apr 2015 08:36:15 -0700
From:	Alexei Starovoitov <alexei.starovoitov@...il.com>
To:	John Fastabend <john.r.fastabend@...el.com>
Cc:	Jamal Hadi Salim <jhs@...atatu.com>,
	Patrick McHardy <kaber@...sh.net>,
	David Miller <davem@...emloft.net>, pablo@...filter.org,
	tgraf@...g.ch, netfilter-devel@...r.kernel.org,
	netdev@...r.kernel.org
Subject: Re: [PATCH 0/7 RFC] Netfilter/nf_tables ingress support

On Tue, Apr 14, 2015 at 08:12:18AM -0700, John Fastabend wrote:
>
> I was hoping to push the skb lists onto something like rte_ring
> used by the DPDK folks or possibly some of the lockless ring work Jesper
> created. This is needed for many qdisc's to drop the qlock but not the
> ingress qdisc. Been busy working on switch bits lately but might be
> able to pick this up next merge window.

I've spent quite a bit of time reanalyzying your work ;) It seems
only trivial stuff left to drop ingress spinlock. Can you send me
your TC test scripts ? I'm only starting building mine and they're
not covering everything. Roughly I'm creating namespaces and running
traffic between them while varying csum/gso/gro offload settings.

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