NFS/SUNRPC: use transport protocol naming

Instead of an { address family, raw IP protocol number }-tuple, use the
newly-defined RPC identifier when creating clients in the upper layers.

Signed-off-by: Tom Talpey <tmt@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

fs/lockd/mon.c

@@ -10,6 +10,7 @@
 #include <linux/utsname.h>
 #include <linux/kernel.h>
 #include <linux/sunrpc/clnt.h>
+#include <linux/sunrpc/xprtsock.h>
 #include <linux/sunrpc/svc.h>
 #include <linux/lockd/lockd.h>
 #include <linux/lockd/sm_inter.h>
@@ -132,7 +133,7 @@ nsm_create(void)
 		.sin_port	= 0,
 	};
 	struct rpc_create_args args = {
-		.protocol	= IPPROTO_UDP,
+		.protocol	= XPRT_TRANSPORT_UDP,
 		.address	= (struct sockaddr *)&sin,
 		.addrsize	= sizeof(sin),
 		.servername	= "localhost",

fs/nfs/client.c

@@ -23,6 +23,7 @@
 #include <linux/sunrpc/clnt.h>
 #include <linux/sunrpc/stats.h>
 #include <linux/sunrpc/metrics.h>
+#include <linux/sunrpc/xprtsock.h>
 #include <linux/nfs_fs.h>
 #include <linux/nfs_mount.h>
 #include <linux/nfs4_mount.h>
@@ -340,7 +341,7 @@ static void nfs_init_timeout_values(struct rpc_timeout *to, int proto,
 		to->to_retries = 2;
 
 	switch (proto) {
-	case IPPROTO_TCP:
+	case XPRT_TRANSPORT_TCP:
 		if (!to->to_initval)
 			to->to_initval = 60 * HZ;
 		if (to->to_initval > NFS_MAX_TCP_TIMEOUT)
@@ -349,7 +350,7 @@ static void nfs_init_timeout_values(struct rpc_timeout *to, int proto,
 		to->to_maxval = to->to_initval + (to->to_increment * to->to_retries);
 		to->to_exponential = 0;
 		break;
-	case IPPROTO_UDP:
+	case XPRT_TRANSPORT_UDP:
 	default:
 		if (!to->to_initval)
 			to->to_initval = 11 * HZ / 10;

fs/nfs/nfsroot.c

@@ -76,6 +76,7 @@
 #include <linux/fs.h>
 #include <linux/init.h>
 #include <linux/sunrpc/clnt.h>
+#include <linux/sunrpc/xprtsock.h>
 #include <linux/nfs.h>
 #include <linux/nfs_fs.h>
 #include <linux/nfs_mount.h>
@@ -491,7 +492,7 @@ static int __init root_nfs_get_handle(void)
 	struct sockaddr_in sin;
 	int status;
 	int protocol = (nfs_data.flags & NFS_MOUNT_TCP) ?
-					IPPROTO_TCP : IPPROTO_UDP;
+					XPRT_TRANSPORT_TCP : XPRT_TRANSPORT_UDP;
 	int version = (nfs_data.flags & NFS_MOUNT_VER3) ?
 					NFS_MNT3_VERSION : NFS_MNT_VERSION;
 

fs/nfs/super.c

@@ -33,6 +33,7 @@
 #include <linux/sunrpc/clnt.h>
 #include <linux/sunrpc/stats.h>
 #include <linux/sunrpc/metrics.h>
+#include <linux/sunrpc/xprtsock.h>
 #include <linux/nfs_fs.h>
 #include <linux/nfs_mount.h>
 #include <linux/nfs4_mount.h>
@@ -669,13 +670,13 @@ static int nfs_parse_mount_options(char *raw,
 			break;
 		case Opt_udp:
 			mnt->flags &= ~NFS_MOUNT_TCP;
-			mnt->nfs_server.protocol = IPPROTO_UDP;
+			mnt->nfs_server.protocol = XPRT_TRANSPORT_UDP;
 			mnt->timeo = 7;
 			mnt->retrans = 5;
 			break;
 		case Opt_tcp:
 			mnt->flags |= NFS_MOUNT_TCP;
-			mnt->nfs_server.protocol = IPPROTO_TCP;
+			mnt->nfs_server.protocol = XPRT_TRANSPORT_TCP;
 			mnt->timeo = 600;
 			mnt->retrans = 2;
 			break;
@@ -884,13 +885,13 @@ static int nfs_parse_mount_options(char *raw,
 			switch (token) {
 			case Opt_xprt_udp:
 				mnt->flags &= ~NFS_MOUNT_TCP;
-				mnt->nfs_server.protocol = IPPROTO_UDP;
+				mnt->nfs_server.protocol = XPRT_TRANSPORT_UDP;
 				mnt->timeo = 7;
 				mnt->retrans = 5;
 				break;
 			case Opt_xprt_tcp:
 				mnt->flags |= NFS_MOUNT_TCP;
-				mnt->nfs_server.protocol = IPPROTO_TCP;
+				mnt->nfs_server.protocol = XPRT_TRANSPORT_TCP;
 				mnt->timeo = 600;
 				mnt->retrans = 2;
 				break;
@@ -908,10 +909,10 @@ static int nfs_parse_mount_options(char *raw,
 
 			switch (token) {
 			case Opt_xprt_udp:
-				mnt->mount_server.protocol = IPPROTO_UDP;
+				mnt->mount_server.protocol = XPRT_TRANSPORT_UDP;
 				break;
 			case Opt_xprt_tcp:
-				mnt->mount_server.protocol = IPPROTO_TCP;
+				mnt->mount_server.protocol = XPRT_TRANSPORT_TCP;
 				break;
 			default:
 				goto out_unrec_xprt;
@@ -1061,9 +1062,9 @@ static int nfs_validate_mount_data(void *options,
 	args->acregmax		= 60;
 	args->acdirmin		= 30;
 	args->acdirmax		= 60;
-	args->mount_server.protocol = IPPROTO_UDP;
+	args->mount_server.protocol = XPRT_TRANSPORT_UDP;
 	args->mount_server.program = NFS_MNT_PROGRAM;
-	args->nfs_server.protocol = IPPROTO_TCP;
+	args->nfs_server.protocol = XPRT_TRANSPORT_TCP;
 	args->nfs_server.program = NFS_PROGRAM;
 
 	switch (data->version) {
@@ -1110,7 +1111,7 @@ static int nfs_validate_mount_data(void *options,
 		args->acdirmax		= data->acdirmax;
 		args->nfs_server.address = data->addr;
 		if (!(data->flags & NFS_MOUNT_TCP))
-			args->nfs_server.protocol = IPPROTO_UDP;
+			args->nfs_server.protocol = XPRT_TRANSPORT_UDP;
 		/* N.B. caller will free nfs_server.hostname in all cases */
 		args->nfs_server.hostname = kstrdup(data->hostname, GFP_KERNEL);
 		args->namlen		= data->namlen;
@@ -1533,7 +1534,7 @@ static int nfs4_validate_mount_data(void *options,
 	args->acregmax		= 60;
 	args->acdirmin		= 30;
 	args->acdirmax		= 60;
-	args->nfs_server.protocol = IPPROTO_TCP;
+	args->nfs_server.protocol = XPRT_TRANSPORT_TCP;
 
 	switch (data->version) {
 	case 1:

net/sunrpc/rpcb_clnt.c

@@ -23,6 +23,7 @@
 
 #include <linux/sunrpc/clnt.h>
 #include <linux/sunrpc/sched.h>
+#include <linux/sunrpc/xprtsock.h>
 
 #ifdef RPC_DEBUG
 # define RPCDBG_FACILITY	RPCDBG_BIND
@@ -229,7 +230,7 @@ int rpcb_register(u32 prog, u32 vers, int prot, unsigned short port, int *okay)
 			prog, vers, prot, port);
 
 	rpcb_clnt = rpcb_create("localhost", (struct sockaddr *) &sin,
-					IPPROTO_UDP, 2, 1);
+					XPRT_TRANSPORT_UDP, 2, 1);
 	if (IS_ERR(rpcb_clnt))
 		return PTR_ERR(rpcb_clnt);