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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>
This commit is contained in:
Brenden Blanco 2016-07-19 12:16:53 -07:00 committed by David S. Miller
parent d576acf0a2
commit 6ce96ca348
1 changed files with 1 additions and 0 deletions
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include/uapi/linux/bpf.h
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@ -449,6 +449,7 @@ enum xdp_action {
XDP_ABORTED = 0,
XDP_DROP,
XDP_PASS,
XDP_TX,
};
/* user accessible metadata for XDP packet hook