#include <linux/smp_lock.h>
#include <linux/utsname.h>
#include <linux/workqueue.h>
+#include <linux/in6.h>
#include <linux/sunrpc/clnt.h>
#include <linux/sunrpc/rpc_pipe_fs.h>
}
}
-static struct rpc_clnt * rpc_new_client(struct rpc_xprt *xprt, char *servname, struct rpc_program *program, u32 vers, rpc_authflavor_t flavor)
+static struct rpc_clnt * rpc_new_client(const struct rpc_create_args *args, struct rpc_xprt *xprt)
{
+ struct rpc_program *program = args->program;
struct rpc_version *version;
struct rpc_clnt *clnt = NULL;
struct rpc_auth *auth;
/* sanity check the name before trying to print it */
err = -EINVAL;
- len = strlen(servname);
+ len = strlen(args->servername);
if (len > RPC_MAXNETNAMELEN)
goto out_no_rpciod;
len++;
dprintk("RPC: creating %s client for %s (xprt %p)\n",
- program->name, servname, xprt);
+ program->name, args->servername, xprt);
err = rpciod_up();
if (err)
err = -EINVAL;
if (!xprt)
goto out_no_xprt;
- if (vers >= program->nrvers || !(version = program->version[vers]))
+
+ if (args->version >= program->nrvers)
+ goto out_err;
+ version = program->version[args->version];
+ if (version == NULL)
goto out_err;
err = -ENOMEM;
clnt->cl_server = clnt->cl_inline_name;
if (len > sizeof(clnt->cl_inline_name)) {
char *buf = kmalloc(len, GFP_KERNEL);
- if (buf != 0)
+ if (buf != NULL)
clnt->cl_server = buf;
else
len = sizeof(clnt->cl_inline_name);
}
- strlcpy(clnt->cl_server, servname, len);
+ strlcpy(clnt->cl_server, args->servername, len);
clnt->cl_xprt = xprt;
clnt->cl_procinfo = version->procs;
if (!xprt_bound(clnt->cl_xprt))
clnt->cl_autobind = 1;
+ clnt->cl_timeout = xprt->timeout;
+ if (args->timeout != NULL) {
+ memcpy(&clnt->cl_timeout_default, args->timeout,
+ sizeof(clnt->cl_timeout_default));
+ clnt->cl_timeout = &clnt->cl_timeout_default;
+ }
+
clnt->cl_rtt = &clnt->cl_rtt_default;
- rpc_init_rtt(&clnt->cl_rtt_default, xprt->timeout.to_initval);
+ rpc_init_rtt(&clnt->cl_rtt_default, clnt->cl_timeout->to_initval);
kref_init(&clnt->cl_kref);
if (err < 0)
goto out_no_path;
- auth = rpcauth_create(flavor, clnt);
+ auth = rpcauth_create(args->authflavor, clnt);
if (IS_ERR(auth)) {
printk(KERN_INFO "RPC: Couldn't create auth handle (flavor %u)\n",
- flavor);
+ args->authflavor);
err = PTR_ERR(auth);
goto out_no_auth;
}
.srcaddr = args->saddress,
.dstaddr = args->address,
.addrlen = args->addrsize,
- .timeout = args->timeout
};
- char servername[20];
+ char servername[48];
xprt = xprt_create_transport(&xprtargs);
if (IS_ERR(xprt))
* up a string representation of the passed-in address.
*/
if (args->servername == NULL) {
- struct sockaddr_in *addr =
- (struct sockaddr_in *) args->address;
- snprintf(servername, sizeof(servername), NIPQUAD_FMT,
- NIPQUAD(addr->sin_addr.s_addr));
+ servername[0] = '\0';
+ switch (args->address->sa_family) {
+ case AF_INET: {
+ struct sockaddr_in *sin =
+ (struct sockaddr_in *)args->address;
+ snprintf(servername, sizeof(servername), NIPQUAD_FMT,
+ NIPQUAD(sin->sin_addr.s_addr));
+ break;
+ }
+ case AF_INET6: {
+ struct sockaddr_in6 *sin =
+ (struct sockaddr_in6 *)args->address;
+ snprintf(servername, sizeof(servername), NIP6_FMT,
+ NIP6(sin->sin6_addr));
+ break;
+ }
+ default:
+ /* caller wants default server name, but
+ * address family isn't recognized. */
+ return ERR_PTR(-EINVAL);
+ }
args->servername = servername;
}
+ xprt = xprt_create_transport(&xprtargs);
+ if (IS_ERR(xprt))
+ return (struct rpc_clnt *)xprt;
+
/*
* By default, kernel RPC client connects from a reserved port.
* CAP_NET_BIND_SERVICE will not be set for unprivileged requesters,
if (args->flags & RPC_CLNT_CREATE_NONPRIVPORT)
xprt->resvport = 0;
- clnt = rpc_new_client(xprt, args->servername, args->program,
- args->version, args->authflavor);
+ clnt = rpc_new_client(args, xprt);
if (IS_ERR(clnt))
return clnt;
new->cl_autobind = 0;
INIT_LIST_HEAD(&new->cl_tasks);
spin_lock_init(&new->cl_lock);
- rpc_init_rtt(&new->cl_rtt_default, clnt->cl_xprt->timeout.to_initval);
+ rpc_init_rtt(&new->cl_rtt_default, clnt->cl_timeout->to_initval);
new->cl_metrics = rpc_alloc_iostats(clnt);
if (new->cl_metrics == NULL)
goto out_no_stats;
dprintk("RPC: %s: returned error %d\n", __FUNCTION__, err);
return ERR_PTR(err);
}
+EXPORT_SYMBOL_GPL(rpc_clone_client);
/*
* Properly shut down an RPC client, terminating all outstanding
rpc_release_client(clnt);
}
+EXPORT_SYMBOL_GPL(rpc_shutdown_client);
/*
* Free an RPC client
out:
return clnt;
}
+EXPORT_SYMBOL_GPL(rpc_bind_new_program);
/*
* Default callback for async RPC calls
.rpc_call_done = rpc_default_callback,
};
-static
-struct rpc_task *rpc_do_run_task(struct rpc_clnt *clnt,
- struct rpc_message *msg,
- int flags,
- const struct rpc_call_ops *ops,
- void *data)
+/**
+ * rpc_run_task - Allocate a new RPC task, then run rpc_execute against it
+ * @task_setup_data: pointer to task initialisation data
+ */
+struct rpc_task *rpc_run_task(const struct rpc_task_setup *task_setup_data)
{
struct rpc_task *task, *ret;
- task = rpc_new_task(clnt, flags, ops, data);
+ task = rpc_new_task(task_setup_data);
if (task == NULL) {
- rpc_release_calldata(ops, data);
- return ERR_PTR(-ENOMEM);
+ rpc_release_calldata(task_setup_data->callback_ops,
+ task_setup_data->callback_data);
+ ret = ERR_PTR(-ENOMEM);
+ goto out;
}
- /* Mask signals on synchronous RPC calls and RPCSEC_GSS upcalls */
- if (msg != NULL) {
- rpc_call_setup(task, msg, 0);
- if (task->tk_status != 0) {
- ret = ERR_PTR(task->tk_status);
- rpc_put_task(task);
- goto out;
- }
+ if (task->tk_status != 0) {
+ ret = ERR_PTR(task->tk_status);
+ rpc_put_task(task);
+ goto out;
}
atomic_inc(&task->tk_count);
rpc_execute(task);
out:
return ret;
}
+EXPORT_SYMBOL_GPL(rpc_run_task);
/**
* rpc_call_sync - Perform a synchronous RPC call
int rpc_call_sync(struct rpc_clnt *clnt, struct rpc_message *msg, int flags)
{
struct rpc_task *task;
+ struct rpc_task_setup task_setup_data = {
+ .rpc_client = clnt,
+ .rpc_message = msg,
+ .callback_ops = &rpc_default_ops,
+ .flags = flags,
+ };
int status;
BUG_ON(flags & RPC_TASK_ASYNC);
- task = rpc_do_run_task(clnt, msg, flags, &rpc_default_ops, NULL);
+ task = rpc_run_task(&task_setup_data);
if (IS_ERR(task))
return PTR_ERR(task);
status = task->tk_status;
rpc_put_task(task);
return status;
}
+EXPORT_SYMBOL_GPL(rpc_call_sync);
/**
* rpc_call_async - Perform an asynchronous RPC call
const struct rpc_call_ops *tk_ops, void *data)
{
struct rpc_task *task;
+ struct rpc_task_setup task_setup_data = {
+ .rpc_client = clnt,
+ .rpc_message = msg,
+ .callback_ops = tk_ops,
+ .callback_data = data,
+ .flags = flags|RPC_TASK_ASYNC,
+ };
- task = rpc_do_run_task(clnt, msg, flags|RPC_TASK_ASYNC, tk_ops, data);
+ task = rpc_run_task(&task_setup_data);
if (IS_ERR(task))
return PTR_ERR(task);
rpc_put_task(task);
return 0;
}
-
-/**
- * rpc_run_task - Allocate a new RPC task, then run rpc_execute against it
- * @clnt: pointer to RPC client
- * @flags: RPC flags
- * @ops: RPC call ops
- * @data: user call data
- */
-struct rpc_task *rpc_run_task(struct rpc_clnt *clnt, int flags,
- const struct rpc_call_ops *tk_ops,
- void *data)
-{
- return rpc_do_run_task(clnt, NULL, flags, tk_ops, data);
-}
-EXPORT_SYMBOL(rpc_run_task);
+EXPORT_SYMBOL_GPL(rpc_call_async);
void
-rpc_call_setup(struct rpc_task *task, struct rpc_message *msg, int flags)
+rpc_call_start(struct rpc_task *task)
{
- task->tk_msg = *msg;
- task->tk_flags |= flags;
- /* Bind the user cred */
- if (task->tk_msg.rpc_cred != NULL)
- rpcauth_holdcred(task);
- else
- rpcauth_bindcred(task);
-
- if (task->tk_status == 0)
- task->tk_action = call_start;
- else
- task->tk_action = rpc_exit_task;
+ task->tk_action = call_start;
}
+EXPORT_SYMBOL_GPL(rpc_call_start);
/**
* rpc_peeraddr - extract remote peer address from clnt's xprt
* @format: address format
*
*/
-char *rpc_peeraddr2str(struct rpc_clnt *clnt, enum rpc_display_format_t format)
+const char *rpc_peeraddr2str(struct rpc_clnt *clnt,
+ enum rpc_display_format_t format)
{
struct rpc_xprt *xprt = clnt->cl_xprt;
if (xprt->ops->set_buffer_size)
xprt->ops->set_buffer_size(xprt, sndsize, rcvsize);
}
+EXPORT_SYMBOL_GPL(rpc_setbufsize);
/*
* Return size of largest payload RPC client can support, in bytes
task->tk_action = call_start;
}
+EXPORT_SYMBOL_GPL(rpc_restart_call);
/*
* 0. Initial state
case -ETIMEDOUT:
task->tk_action = call_timeout;
if (task->tk_client->cl_discrtry)
- xprt_disconnect(task->tk_xprt);
+ xprt_force_disconnect(task->tk_xprt);
break;
case -ECONNREFUSED:
case -ENOTCONN:
req->rq_received = req->rq_private_buf.len = 0;
task->tk_status = 0;
if (task->tk_client->cl_discrtry)
- xprt_disconnect(task->tk_xprt);
+ xprt_force_disconnect(task->tk_xprt);
}
/*
.rpc_proc = &rpcproc_null,
.rpc_cred = cred,
};
- return rpc_do_run_task(clnt, &msg, flags, &rpc_default_ops, NULL);
+ struct rpc_task_setup task_setup_data = {
+ .rpc_client = clnt,
+ .rpc_message = &msg,
+ .callback_ops = &rpc_default_ops,
+ .flags = flags,
+ };
+ return rpc_run_task(&task_setup_data);
}
-EXPORT_SYMBOL(rpc_call_null);
+EXPORT_SYMBOL_GPL(rpc_call_null);
#ifdef RPC_DEBUG
void rpc_show_tasks(void)
git.openpandora.org / pandora-kernel.git / blobdiff