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[v6,07/12] bpf: add XDP_TX xdp_action for direct forwarding

Message ID 1467944124-14891-8-git-send-email-bblanco@plumgrid.com
State Changes Requested, archived
Delegated to: David Miller
Headers show

Commit Message

Brenden Blanco July 8, 2016, 2:15 a.m. UTC
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>
---
 include/uapi/linux/bpf.h | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h
index 5b47ac3..e3c3b92 100644
--- a/include/uapi/linux/bpf.h
+++ b/include/uapi/linux/bpf.h
@@ -439,6 +439,7 @@  struct bpf_tunnel_key {
 enum xdp_action {
 	XDP_DROP,
 	XDP_PASS,
+	XDP_TX,
 };
 
 /* user accessible metadata for XDP packet hook