SUNRPC: Provide a new API for registering transport implementations
To allow transport capabilities to be loaded dynamically, provide an API
for registering and unregistering the transports with the RPC client.
Eventually xprt_create_transport() will be changed to search the list of
registered transports when initializing a fresh transport.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Tom Talpey <tmt@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/include/linux/sunrpc/xprt.h b/include/linux/sunrpc/xprt.h
index 513b065..7b6b137 100644
--- a/include/linux/sunrpc/xprt.h
+++ b/include/linux/sunrpc/xprt.h
@@ -208,6 +208,15 @@
struct rpc_timeout * timeout; /* optional timeout parameters */
};
+struct xprt_class {
+ struct list_head list;
+ unsigned short family;
+ int protocol;
+ struct rpc_xprt * (*setup)(struct rpc_xprtsock_create *);
+ struct module *owner;
+ char name[32];
+};
+
/*
* Transport operations used by ULPs
*/
@@ -239,6 +248,8 @@
/*
* Transport switch helper functions
*/
+int xprt_register_transport(struct xprt_class *type);
+int xprt_unregister_transport(struct xprt_class *type);
void xprt_set_retrans_timeout_def(struct rpc_task *task);
void xprt_set_retrans_timeout_rtt(struct rpc_task *task);
void xprt_wake_pending_tasks(struct rpc_xprt *xprt, int status);