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From: Jesper Dangaard Brouer <brouer@redhat.com>
To: Tom Herbert <tom@herbertland.com>
Cc: Brenden Blanco <bblanco@plumgrid.com>,
	"David S. Miller" <davem@davemloft.net>,
	Linux Kernel Network Developers <netdev@vger.kernel.org>,
	Alexei Starovoitov <alexei.starovoitov@gmail.com>,
	Or Gerlitz <ogerlitz@mellanox.com>,
	Daniel Borkmann <daniel@iogearbox.net>,
	Eric Dumazet <eric.dumazet@gmail.com>,
	Edward Cree <ecree@solarflare.com>,
	john fastabend <john.fastabend@gmail.com>,
	Thomas Graf <tgraf@suug.ch>,
	Johannes Berg <johannes@sipsolutions.net>,
	eranlinuxmellanox@gmail.com, Lorenzo Colitti <lorenzo@google.com>,
	brouer@redhat.com
Subject: Re: [RFC PATCH v2 1/5] bpf: add PHYS_DEV prog type for early driver filter
Date: Sat, 9 Apr 2016 14:27:59 +0200	[thread overview]
Message-ID: <20160409142759.25d8464a@redhat.com> (raw)
In-Reply-To: <CALx6S34m8cVNgvuGp845bicixodfavH9cj-rARSwwEAvFCjd7g@mail.gmail.com>

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

  reply	other threads:[~2016-04-09 12:28 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-04-08  4:48 [RFC PATCH v2 1/5] bpf: add PHYS_DEV prog type for early driver filter Brenden Blanco
2016-04-08  4:48 ` [RFC PATCH v2 2/5] net: add ndo to set bpf prog in adapter rx Brenden Blanco
2016-04-08  9:38   ` Jesper Dangaard Brouer
2016-04-08 16:39     ` Brenden Blanco
2016-04-08  4:48 ` [RFC PATCH v2 3/5] rtnl: add option for setting link bpf prog Brenden Blanco
2016-04-08  4:48 ` [RFC PATCH v2 4/5] mlx4: add support for fast rx drop bpf program Brenden Blanco
2016-04-08 11:41   ` Jesper Dangaard Brouer
2016-04-08 17:04     ` Brenden Blanco
2016-04-08  4:48 ` [RFC PATCH v2 5/5] Add sample for adding simple drop program to link Brenden Blanco
2016-04-09 14:48   ` Jamal Hadi Salim
2016-04-09 16:43     ` Brenden Blanco
2016-04-09 17:27       ` Jamal Hadi Salim
2016-04-10 18:38         ` Brenden Blanco
2016-04-13 10:40           ` Jamal Hadi Salim
2016-04-08 10:36 ` [RFC PATCH v2 1/5] bpf: add PHYS_DEV prog type for early driver filter Jesper Dangaard Brouer
2016-04-08 11:09   ` Daniel Borkmann
2016-04-08 16:48     ` Brenden Blanco
2016-04-08 12:33   ` Jesper Dangaard Brouer
2016-04-08 17:02     ` Brenden Blanco
2016-04-08 19:05       ` Jesper Dangaard Brouer
2016-04-08 17:26     ` Alexei Starovoitov
2016-04-08 20:08       ` Jesper Dangaard Brouer
2016-04-08 21:34         ` Alexei Starovoitov
2016-04-09 11:29           ` Tom Herbert
2016-04-09 15:29             ` Jamal Hadi Salim
2016-04-09 17:26               ` Alexei Starovoitov
2016-04-10  7:55                 ` Thomas Graf
2016-04-10 16:53                   ` Tom Herbert
2016-04-10 18:09                     ` Jamal Hadi Salim
2016-04-10 13:07                 ` Jamal Hadi Salim
2016-04-09 11:17 ` Tom Herbert
2016-04-09 12:27   ` Jesper Dangaard Brouer [this message]
2016-04-09 13:17     ` Tom Herbert
2016-04-09 17:00   ` Alexei Starovoitov

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