selftests: bpf: add a test for XDP redirect
Add test for xdp_redirect by creating two namespaces with two
veth peers, then forward packets in-between.
Signed-off-by: William Tu <u9012063@gmail.com>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: John Fastabend <john.fastabend@gmail.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h
index 1579cab..8d9bfcc 100644
--- a/tools/include/uapi/linux/bpf.h
+++ b/tools/include/uapi/linux/bpf.h
@@ -592,7 +592,8 @@ union bpf_attr {
FN(get_socket_uid), \
FN(set_hash), \
FN(setsockopt), \
- FN(skb_adjust_room),
+ FN(skb_adjust_room), \
+ FN(redirect_map),
/* integer value in 'imm' field of BPF_CALL instruction selects which helper
* function eBPF program intends to call