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From: Alexei Starovoitov <ast@plumgrid.com>
Subject: Re: [PATCH net-next 2/2] bpf: add bpf_redirect() helper
Date: Tue, 15 Sep 2015 21:11:39 -0700
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Cc: Jamal Hadi Salim <jhs@mojatatu.com>,
	Daniel Borkmann <daniel@iogearbox.net>, netdev@vger.kernel.org
To: John Fastabend <john.fastabend@gmail.com>,
	"David S. Miller" <davem@davemloft.net>
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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.