diff --git a/include/haproxy/protocol-t.h b/include/haproxy/protocol-t.h
index 07532e126..f29c94435 100644
--- a/include/haproxy/protocol-t.h
+++ b/include/haproxy/protocol-t.h
@@ -30,6 +30,7 @@
 
 /* some pointer types referenced below */
 struct listener;
+struct receiver;
 struct connection;
 
 /*
@@ -71,6 +72,7 @@ struct protocol {
 	socklen_t sock_addrlen;				/* socket address length, used by bind() */
 	int l3_addrlen;					/* layer3 address length, used by hashes */
 	void (*accept)(int fd);				/* generic accept function */
+	int (*bind)(struct receiver *rx, void (*handler)(int fd), char **errmsg); /* bind a receiver */
 	int (*listen)(struct listener *l, char *errmsg, int errlen); /* start a listener */
 	int (*enable_all)(struct protocol *proto);	/* enable all bound listeners */
 	int (*disable_all)(struct protocol *proto);	/* disable all bound listeners */