netdev - Re: [PATCH net-next 2/2] bpf: add bpf

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Message-ID: <55F8EBFB.2080009@plumgrid.com>
Date:	Tue, 15 Sep 2015 21:11:39 -0700
From:	Alexei Starovoitov <ast@...mgrid.com>
To:	John Fastabend <john.fastabend@...il.com>,
	"David S. Miller" <davem@...emloft.net>
Cc:	Jamal Hadi Salim <jhs@...atatu.com>,
	Daniel Borkmann <daniel@...earbox.net>, netdev@...r.kernel.org
Subject: Re: [PATCH net-next 2/2] bpf: add bpf_redirect() helper

On 9/15/15 8:10 PM, John Fastabend wrote:
> Nice, I like this. But just to be sure I read this correctly this will
> only work on the ingress qdisc for now right? To get the tx side working
> will require a bit more care.

correct.
For egress I'm waiting for Daniel to resubmit his preclassifier patch
and I'll hook this skb_do_redirect() there as well.
Other options are also possible, but preclassifier looks the best for
this purpose, since it's lockless.

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