svc: Make svc_sock the tcp/udp transport
Make TCP and UDP svc_sock transports, and register them
with the svc transport core.
A transport type (svc_sock) has an svc_xprt as its first member,
and calls svc_xprt_init to initialize this field.
Signed-off-by: Tom Tucker <tom@opengridcomputing.com>
Acked-by: Neil Brown <neilb@suse.de>
Reviewed-by: Chuck Lever <chuck.lever@oracle.com>
Reviewed-by: Greg Banks <gnb@sgi.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
diff --git a/net/sunrpc/sunrpc_syms.c b/net/sunrpc/sunrpc_syms.c
index ef7dc78..11b3098 100644
--- a/net/sunrpc/sunrpc_syms.c
+++ b/net/sunrpc/sunrpc_syms.c
@@ -85,7 +85,8 @@
#endif
cache_register(&ip_map_cache);
cache_register(&unix_gid_cache);
- init_socket_xprt();
+ svc_init_xprt_sock(); /* svc sock transport */
+ init_socket_xprt(); /* clnt sock transport */
rpcauth_init_module();
out:
return err;
@@ -96,6 +97,7 @@
{
rpcauth_remove_module();
cleanup_socket_xprt();
+ svc_cleanup_xprt_sock();
unregister_rpc_pipefs();
rpc_destroy_mempool();
cache_unregister(&ip_map_cache);
diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c
index c75bffe..54f1b3d 100644
--- a/net/sunrpc/svcsock.c
+++ b/net/sunrpc/svcsock.c
@@ -75,7 +75,7 @@
*
*/
-#define RPCDBG_FACILITY RPCDBG_SVCSOCK
+#define RPCDBG_FACILITY RPCDBG_SVCXPRT
static struct svc_sock *svc_setup_socket(struct svc_serv *, struct socket *,
@@ -900,12 +900,21 @@
return error;
}
+static struct svc_xprt_ops svc_udp_ops = {
+};
+
+static struct svc_xprt_class svc_udp_class = {
+ .xcl_name = "udp",
+ .xcl_ops = &svc_udp_ops,
+};
+
static void
svc_udp_init(struct svc_sock *svsk)
{
int one = 1;
mm_segment_t oldfs;
+ svc_xprt_init(&svc_udp_class, &svsk->sk_xprt);
svsk->sk_sk->sk_data_ready = svc_udp_data_ready;
svsk->sk_sk->sk_write_space = svc_write_space;
svsk->sk_recvfrom = svc_udp_recvfrom;
@@ -1344,12 +1353,33 @@
return sent;
}
+static struct svc_xprt_ops svc_tcp_ops = {
+};
+
+static struct svc_xprt_class svc_tcp_class = {
+ .xcl_name = "tcp",
+ .xcl_ops = &svc_tcp_ops,
+};
+
+void svc_init_xprt_sock(void)
+{
+ svc_reg_xprt_class(&svc_tcp_class);
+ svc_reg_xprt_class(&svc_udp_class);
+}
+
+void svc_cleanup_xprt_sock(void)
+{
+ svc_unreg_xprt_class(&svc_tcp_class);
+ svc_unreg_xprt_class(&svc_udp_class);
+}
+
static void
svc_tcp_init(struct svc_sock *svsk)
{
struct sock *sk = svsk->sk_sk;
struct tcp_sock *tp = tcp_sk(sk);
+ svc_xprt_init(&svc_tcp_class, &svsk->sk_xprt);
svsk->sk_recvfrom = svc_tcp_recvfrom;
svsk->sk_sendto = svc_tcp_sendto;