From 6ce96ca348a9e949f8c43f4d3e98db367d93cffd Mon Sep 17 00:00:00 2001
From: Brenden Blanco <bblanco@plumgrid.com>
Date: Tue, 19 Jul 2016 12:16:53 -0700
Subject: [PATCH] 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@plumgrid.com>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
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 a51786566c2f1..2b7076f5b5ad3 100644
--- a/include/uapi/linux/bpf.h
+++ b/include/uapi/linux/bpf.h
@@ -449,6 +449,7 @@ enum xdp_action {
XDP_ABORTED = 0,
XDP_DROP,
XDP_PASS,
+ XDP_TX,
};
/* user accessible metadata for XDP packet hook
--
2.30.2