X-Git-Url: https://git.decadent.org.uk/gitweb/?p=nfs-utils.git;a=blobdiff_plain;f=utils%2Fmount%2Fnetwork.c;h=7b1152a4b3fa479e121a8709af7a42dd40081c48;hp=1a053519718437f2c5c8b73c7b5a2396c66404e2;hb=e4328bb8d13ae6dda33308557e6bbb352d5674bb;hpb=2f61f62ac777cc03e30513f6fd3699f9e2f04e27

diff --git a/utils/mount/network.c b/utils/mount/network.c
index 1a05351..7b1152a 100644
--- a/utils/mount/network.c
+++ b/utils/mount/network.c
@@ -50,6 +50,7 @@
 #include "nfsrpc.h"
 #include "parse_opt.h"
 #include "network.h"
+#include "conffile.h"
 
 #define PMAP_TIMEOUT	(10)
 #define CONNECT_TIMEOUT	(20)
@@ -171,6 +172,27 @@ static const unsigned long probe_mnt3_first[] = {
 	0,
 };
 
+static const unsigned int *nfs_default_proto(void);
+#ifdef MOUNT_CONFIG
+static const unsigned int *nfs_default_proto()
+{
+	extern unsigned long config_default_proto;
+	/*
+	 * If the default proto has been set and 
+	 * its not TCP, start with UDP
+	 */
+	if (config_default_proto && config_default_proto != IPPROTO_TCP)
+		return probe_udp_first;
+
+	return probe_tcp_first; 
+}
+#else
+static const unsigned int *nfs_default_proto() 
+{
+	return probe_tcp_first; 
+}
+#endif /* MOUNT_CONFIG */
+
 static int nfs_lookup(const char *hostname, const sa_family_t family,
 		      struct sockaddr *sap, socklen_t *salen)
 {
@@ -589,7 +611,6 @@ out_ok:
 	nfs_clear_rpc_createerr();
 	return 1;
 }
-
 /*
  * Probe a server's NFS service to determine which versions and
  * transport protocols are supported.
@@ -609,10 +630,14 @@ static int nfs_probe_nfsport(const struct sockaddr *sap, const socklen_t salen,
 	if (pmap->pm_vers && pmap->pm_prot && pmap->pm_port)
 		return 1;
 
-	if (nfs_mount_data_version >= 4)
+	if (nfs_mount_data_version >= 4) {
+		const unsigned int *probe_proto;
+
+		probe_proto = nfs_default_proto();
+
 		return nfs_probe_port(sap, salen, pmap,
-					probe_nfs3_first, probe_tcp_first);
-	else
+					probe_nfs3_first, probe_proto);
+	} else
 		return nfs_probe_port(sap, salen, pmap,
 					probe_nfs2_only, probe_udp_only);
 }