SUNRPC: Introduce missing well-known netids

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
diff --git a/include/linux/sunrpc/msg_prot.h b/include/linux/sunrpc/msg_prot.h
index aadc6a0..8073713 100644
--- a/include/linux/sunrpc/msg_prot.h
+++ b/include/linux/sunrpc/msg_prot.h
@@ -142,12 +142,18 @@
 	(RPC_REPHDRSIZE + (2 + RPC_MAX_AUTH_SIZE/4))
 
 /*
- * RFC1833/RFC3530 rpcbind (v3+) well-known netid's.
+ * Well-known netids. See:
+ *
+ *   http://www.iana.org/assignments/rpc-netids/rpc-netids.xhtml
  */
 #define RPCBIND_NETID_UDP	"udp"
 #define RPCBIND_NETID_TCP	"tcp"
+#define RPCBIND_NETID_RDMA	"rdma"
+#define RPCBIND_NETID_SCTP	"sctp"
 #define RPCBIND_NETID_UDP6	"udp6"
 #define RPCBIND_NETID_TCP6	"tcp6"
+#define RPCBIND_NETID_RDMA6	"rdma6"
+#define RPCBIND_NETID_SCTP6	"sctp6"
 #define RPCBIND_NETID_LOCAL	"local"
 
 /*