netdev - [PATCH v7 07/11] bpf: add XDP_TX xdp

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Message-Id: <1468272598-21390-8-git-send-email-bblanco@plumgrid.com>
Date:	Mon, 11 Jul 2016 14:29:54 -0700
From:	Brenden Blanco <bblanco@...mgrid.com>
To:	davem@...emloft.net, netdev@...r.kernel.org
Cc:	Brenden Blanco <bblanco@...mgrid.com>,
	Jamal Hadi Salim <jhs@...atatu.com>,
	Saeed Mahameed <saeedm@....mellanox.co.il>,
	Martin KaFai Lau <kafai@...com>,
	Jesper Dangaard Brouer <brouer@...hat.com>,
	Ari Saha <as754m@....com>,
	Alexei Starovoitov <alexei.starovoitov@...il.com>,
	Or Gerlitz <gerlitz.or@...il.com>, john.fastabend@...il.com,
	hannes@...essinduktion.org, Thomas Graf <tgraf@...g.ch>,
	Tom Herbert <tom@...bertland.com>,
	Daniel Borkmann <daniel@...earbox.net>
Subject: [PATCH v7 07/11] bpf: add XDP_TX xdp_action for direct forwarding

XDP enabled drivers must transmit received packets back out on the same
port they were received on when a program returns this action.

Signed-off-by: Brenden Blanco <bblanco@...mgrid.com>
---
 include/uapi/linux/bpf.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h
index 4282d44..a8f1ea1 100644
--- a/include/uapi/linux/bpf.h
+++ b/include/uapi/linux/bpf.h
@@ -447,6 +447,7 @@ enum xdp_action {
 	XDP_ABORTED = 0,
 	XDP_DROP,
 	XDP_PASS,
+	XDP_TX,
 };
 
 /* user accessible metadata for XDP packet hook
-- 
2.8.2