From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jesper Dangaard Brouer <brouer@redhat.com>
Subject: Re: [RFC PATCH v2 1/5] bpf: add PHYS_DEV prog type for early driver
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Date: Sat, 9 Apr 2016 14:27:59 +0200
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Cc: Brenden Blanco <bblanco@plumgrid.com>,
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To: Tom Herbert <tom@herbertland.com>
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On Sat, 9 Apr 2016 08:17:04 -0300
Tom Herbert <tom@herbertland.com> wrote:

> One other API issue is how to deal with encapsulation. In this case a
> header may be prepended to the packet, I assume there are BPF helper
> functions and we don't need to return a new length or start?

That reminds me.  Do the BPF program need to know the head-room, then?

-- 
Best regards,
  Jesper Dangaard Brouer
  MSc.CS, Principal Kernel Engineer at Red Hat
  Author of http://www.iptv-analyzer.org
  LinkedIn: http://www.linkedin.com/in/brouer