bpf: add tools lib/include support sk_msg_md size field

Add the size field to sk_msg_md for tools.

Signed-off-by: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>

diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h
index 1d324c2..91c4388 100644 (file)
--- a/tools/include/uapi/linux/bpf.h
+++ b/tools/include/uapi/linux/bpf.h
@@ -2665,6 +2665,7 @@ struct sk_msg_md {
        __u32 local_ip6[4];     /* Stored in network byte order */
        __u32 remote_port;      /* Stored in network byte order */
        __u32 local_port;       /* stored in host byte order */
+       __u32 size;             /* Total size of sk_msg */
 };
 
 struct sk_reuseport_md {