diff --git a/include/linux/sunrpc/debug.h b/include/linux/sunrpc/debug.h
index 42d2997..1a42d90 100644
--- a/include/linux/sunrpc/debug.h
+++ b/include/linux/sunrpc/debug.h
@@ -95,6 +95,8 @@
 	CTL_NLMDEBUG,
 	CTL_SLOTTABLE_UDP,
 	CTL_SLOTTABLE_TCP,
+	CTL_MIN_RESVPORT,
+	CTL_MAX_RESVPORT,
 };
 
 #endif /* _LINUX_SUNRPC_DEBUG_H_ */
diff --git a/include/linux/sunrpc/xprt.h b/include/linux/sunrpc/xprt.h
index dcf0326..9d9266c 100644
--- a/include/linux/sunrpc/xprt.h
+++ b/include/linux/sunrpc/xprt.h
@@ -52,6 +52,17 @@
 #define RPC_REPHDRSIZE		4
 
 /*
+ * Parameters for choosing a free port
+ */
+extern unsigned int xprt_min_resvport;
+extern unsigned int xprt_max_resvport;
+
+#define RPC_MIN_RESVPORT	(1U)
+#define RPC_MAX_RESVPORT	(65535U)
+#define RPC_DEF_MIN_RESVPORT	(650U)
+#define RPC_DEF_MAX_RESVPORT	(1023U)
+
+/*
  * This describes a timeout strategy
  */
 struct rpc_timeout {
@@ -62,6 +73,9 @@
 	unsigned char		to_exponential;
 };
 
+struct rpc_task;
+struct rpc_xprt;
+
 /*
  * This describes a complete RPC request
  */
@@ -107,9 +121,6 @@
 #define rq_svec			rq_snd_buf.head
 #define rq_slen			rq_snd_buf.len
 
-struct rpc_task;
-struct rpc_xprt;
-
 struct rpc_xprt_ops {
 	void		(*set_buffer_size)(struct rpc_xprt *xprt);
 	int		(*reserve_xprt)(struct rpc_task *task);