Make enum transport_type match the networkProtocol enumeration

This means no conversion is necessary between the transport_type and
the networkProtocol field of the PortAddress struct. Not currently an
issue, but will be needed for implementing the CLOCK_DESCRIPTION
management TLV.

transport.c

@@ -56,6 +56,8 @@ int transport_peer(struct transport *t, struct fdarray *fda, int event,
 struct transport *transport_create(enum transport_type type)
 {
 	switch (type) {
+	case TRANS_UDS:
+	        return uds_transport_create();
 	case TRANS_UDP_IPV4:
 		return udp_transport_create();
 	case TRANS_UDP_IPV6:
@@ -66,8 +68,6 @@ struct transport *transport_create(enum transport_type type)
 	case TRANS_CONTROLNET:
 	case TRANS_PROFINET:
 		break;
-	case TRANS_UDS:
-		return uds_transport_create();
 	}
 	return NULL;
 }

transport.h

@@ -24,14 +24,16 @@
 
 #include "fd.h"
 
+/* Values from networkProtocol enumeration 7.4.1 Table 3 */
 enum transport_type {
-	TRANS_UDP_IPV4,
+	/* 0 is Reserved in spec. Use it for UDS */
+	TRANS_UDS = 0,
+	TRANS_UDP_IPV4 = 1,
 	TRANS_UDP_IPV6,
 	TRANS_IEEE_802_3,
 	TRANS_DEVICENET,
 	TRANS_CONTROLNET,
 	TRANS_PROFINET,
-	TRANS_UDS,
 };
 
 /**