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addr.h	4.94 KB	0644	Edit Rename Delete
auth.h	5.96 KB	0644	Edit Rename Delete
auth_gss.h	2.31 KB	0644	Edit Rename Delete
bc_xprt.h	2.78 KB	0644	Edit Rename Delete
cache.h	8.94 KB	0644	Edit Rename Delete
clnt.h	8.38 KB	0644	Edit Rename Delete
debug.h	2.76 KB	0644	Edit Rename Delete
gss_api.h	4.45 KB	0644	Edit Rename Delete
gss_asn1.h	3.11 KB	0644	Edit Rename Delete
gss_err.h	5.88 KB	0644	Edit Rename Delete
gss_krb5.h	10.87 KB	0644	Edit Rename Delete
gss_krb5_enctypes.h	1.13 KB	0644	Edit Rename Delete
metrics.h	3.68 KB	0644	Edit Rename Delete
msg_prot.h	6.08 KB	0644	Edit Rename Delete
rpc_pipe_fs.h	3.85 KB	0644	Edit Rename Delete
rpc_rdma.h	6.07 KB	0644	Edit Rename Delete
rpc_rdma_cid.h	622 B	0644	Edit Rename Delete
sched.h	9.96 KB	0644	Edit Rename Delete
stats.h	2 KB	0644	Edit Rename Delete
svc.h	18.58 KB	0644	Edit Rename Delete
svc_rdma.h	7.62 KB	0644	Edit Rename Delete
svc_rdma_pcl.h	3.13 KB	0644	Edit Rename Delete
svc_xprt.h	7.12 KB	0644	Edit Rename Delete
svcauth.h	6.15 KB	0644	Edit Rename Delete
svcauth_gss.h	782 B	0644	Edit Rename Delete
svcsock.h	2.14 KB	0644	Edit Rename Delete
timer.h	1.14 KB	0644	Edit Rename Delete
types.h	497 B	0644	Edit Rename Delete
xdr.h	20.99 KB	0644	Edit Rename Delete
xprt.h	15.74 KB	0644	Edit Rename Delete
xprtmultipath.h	2.24 KB	0644	Edit Rename Delete
xprtrdma.h	2.95 KB	0644	Edit Rename Delete
xprtsock.h	1.77 KB	0644	Edit Rename Delete

Edit File:clnt.h

/* SPDX-License-Identifier: GPL-2.0 */
/*
 *  linux/include/linux/sunrpc/clnt.h
 *
 *  Declarations for the high-level RPC client interface
 *
 *  Copyright (C) 1995, 1996, Olaf Kirch <okir@monad.swb.de>
 */

#ifndef _LINUX_SUNRPC_CLNT_H
#define _LINUX_SUNRPC_CLNT_H

#include <linux/types.h>
#include <linux/socket.h>
#include <linux/in.h>
#include <linux/in6.h>
#include <linux/refcount.h>

#include <linux/sunrpc/msg_prot.h>
#include <linux/sunrpc/sched.h>
#include <linux/sunrpc/xprt.h>
#include <linux/sunrpc/auth.h>
#include <linux/sunrpc/stats.h>
#include <linux/sunrpc/xdr.h>
#include <linux/sunrpc/timer.h>
#include <linux/sunrpc/rpc_pipe_fs.h>
#include <asm/signal.h>
#include <linux/path.h>
#include <net/ipv6.h>
#include <linux/sunrpc/xprtmultipath.h>

struct rpc_inode;
struct rpc_sysfs_client;

/*
 * The high-level client handle
 */
struct rpc_clnt {
	refcount_t		cl_count;	/* Number of references */
	unsigned int		cl_clid;	/* client id */
	struct list_head	cl_clients;	/* Global list of clients */
	struct list_head	cl_tasks;	/* List of tasks */
	spinlock_t		cl_lock;	/* spinlock */
	struct rpc_xprt __rcu *	cl_xprt;	/* transport */
	const struct rpc_procinfo *cl_procinfo;	/* procedure info */
	u32			cl_prog,	/* RPC program number */
				cl_vers,	/* RPC version number */
				cl_maxproc;	/* max procedure number */

struct rpc_auth *	cl_auth;	/* authenticator */
	struct rpc_stat *	cl_stats;	/* per-program statistics */
	struct rpc_iostats *	cl_metrics;	/* per-client statistics */

unsigned int		cl_softrtry : 1,/* soft timeouts */
				cl_softerr  : 1,/* Timeouts return errors */
				cl_discrtry : 1,/* disconnect before retry */
				cl_noretranstimeo: 1,/* No retransmit timeouts */
				cl_autobind : 1,/* use getport() */
				cl_chatty   : 1;/* be verbose */

struct rpc_rtt *	cl_rtt;		/* RTO estimator data */
	const struct rpc_timeout *cl_timeout;	/* Timeout strategy */

atomic_t		cl_swapper;	/* swapfile count */
	int			cl_nodelen;	/* nodename length */
	char 			cl_nodename[UNX_MAXNODENAME+1];
	struct rpc_pipe_dir_head cl_pipedir_objects;
	struct rpc_clnt *	cl_parent;	/* Points to parent of clones */
	struct rpc_rtt		cl_rtt_default;
	struct rpc_timeout	cl_timeout_default;
	const struct rpc_program *cl_program;
	const char *		cl_principal;	/* use for machine cred */
#if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
	struct dentry		*cl_debugfs;	/* debugfs directory */
#endif
	struct rpc_sysfs_client *cl_sysfs;	/* sysfs directory */
	/* cl_work is only needed after cl_xpi is no longer used,
	 * and that are of similar size
	 */
	union {
		struct rpc_xprt_iter	cl_xpi;
		struct work_struct	cl_work;
	};
	const struct cred	*cl_cred;
	unsigned int		cl_max_connect; /* max number of transports not to the same IP */
	struct super_block *pipefs_sb;
};

/*
 * General RPC program info
 */
#define RPC_MAXVERSION		4
struct rpc_program {
	const char *		name;		/* protocol name */
	u32			number;		/* program number */
	unsigned int		nrvers;		/* number of versions */
	const struct rpc_version **	version;	/* version array */
	struct rpc_stat *	stats;		/* statistics */
	const char *		pipe_dir_name;	/* path to rpc_pipefs dir */
};

struct rpc_version {
	u32			number;		/* version number */
	unsigned int		nrprocs;	/* number of procs */
	const struct rpc_procinfo *procs;	/* procedure array */
	unsigned int		*counts;	/* call counts */
};

/*
 * Procedure information
 */
struct rpc_procinfo {
	u32			p_proc;		/* RPC procedure number */
	kxdreproc_t		p_encode;	/* XDR encode function */
	kxdrdproc_t		p_decode;	/* XDR decode function */
	unsigned int		p_arglen;	/* argument hdr length (u32) */
	unsigned int		p_replen;	/* reply hdr length (u32) */
	unsigned int		p_timer;	/* Which RTT timer to use */
	u32			p_statidx;	/* Which procedure to account */
	const char *		p_name;		/* name of procedure */
};

struct rpc_create_args {
	struct net		*net;
	int			protocol;
	struct sockaddr		*address;
	size_t			addrsize;
	struct sockaddr		*saddress;
	const struct rpc_timeout *timeout;
	const char		*servername;
	const char		*nodename;
	const struct rpc_program *program;
	struct rpc_stat		*stats;
	u32			prognumber;	/* overrides program->number */
	u32			version;
	rpc_authflavor_t	authflavor;
	u32			nconnect;
	unsigned long		flags;
	char			*client_name;
	struct svc_xprt		*bc_xprt;	/* NFSv4.1 backchannel */
	const struct cred	*cred;
	unsigned int		max_connect;
};

struct rpc_add_xprt_test {
	void (*add_xprt_test)(struct rpc_clnt *clnt,
		struct rpc_xprt *xprt,
		void *calldata);
	void *data;
};

/* Values for "flags" field */
#define RPC_CLNT_CREATE_HARDRTRY	(1UL << 0)
#define RPC_CLNT_CREATE_AUTOBIND	(1UL << 2)
#define RPC_CLNT_CREATE_NONPRIVPORT	(1UL << 3)
#define RPC_CLNT_CREATE_NOPING		(1UL << 4)
#define RPC_CLNT_CREATE_DISCRTRY	(1UL << 5)
#define RPC_CLNT_CREATE_QUIET		(1UL << 6)
#define RPC_CLNT_CREATE_INFINITE_SLOTS	(1UL << 7)
#define RPC_CLNT_CREATE_NO_IDLE_TIMEOUT	(1UL << 8)
#define RPC_CLNT_CREATE_NO_RETRANS_TIMEOUT	(1UL << 9)
#define RPC_CLNT_CREATE_SOFTERR		(1UL << 10)
#define RPC_CLNT_CREATE_REUSEPORT	(1UL << 11)
#define RPC_CLNT_CREATE_CONNECTED	(1UL << 12)

struct rpc_clnt *rpc_create(struct rpc_create_args *args);
struct rpc_clnt	*rpc_bind_new_program(struct rpc_clnt *,
				const struct rpc_program *, u32);
struct rpc_clnt *rpc_clone_client(struct rpc_clnt *);
struct rpc_clnt *rpc_clone_client_set_auth(struct rpc_clnt *,
				rpc_authflavor_t);
int		rpc_switch_client_transport(struct rpc_clnt *,
				struct xprt_create *,
				const struct rpc_timeout *);

void		rpc_shutdown_client(struct rpc_clnt *);
void		rpc_release_client(struct rpc_clnt *);
void		rpc_task_release_transport(struct rpc_task *);
void		rpc_task_release_client(struct rpc_task *);
struct rpc_xprt	*rpc_task_get_xprt(struct rpc_clnt *clnt,
		struct rpc_xprt *xprt);

int		rpcb_create_local(struct net *);
void		rpcb_put_local(struct net *);
int		rpcb_register(struct net *, u32, u32, int, unsigned short);
int		rpcb_v4_register(struct net *net, const u32 program,
				 const u32 version,
				 const struct sockaddr *address,
				 const char *netid);
void		rpcb_getport_async(struct rpc_task *);

void rpc_prepare_reply_pages(struct rpc_rqst *req, struct page **pages,
			     unsigned int base, unsigned int len,
			     unsigned int hdrsize);
void		rpc_call_start(struct rpc_task *);
int		rpc_call_async(struct rpc_clnt *clnt,
			       const struct rpc_message *msg, int flags,
			       const struct rpc_call_ops *tk_ops,
			       void *calldata);
int		rpc_call_sync(struct rpc_clnt *clnt,
			      const struct rpc_message *msg, int flags);
struct rpc_task *rpc_call_null(struct rpc_clnt *clnt, struct rpc_cred *cred,
			       int flags);
int		rpc_restart_call_prepare(struct rpc_task *);
int		rpc_restart_call(struct rpc_task *);
void		rpc_setbufsize(struct rpc_clnt *, unsigned int, unsigned int);
struct net *	rpc_net_ns(struct rpc_clnt *);
size_t		rpc_max_payload(struct rpc_clnt *);
size_t		rpc_max_bc_payload(struct rpc_clnt *);
unsigned int	rpc_num_bc_slots(struct rpc_clnt *);
void		rpc_force_rebind(struct rpc_clnt *);
size_t		rpc_peeraddr(struct rpc_clnt *, struct sockaddr *, size_t);
const char	*rpc_peeraddr2str(struct rpc_clnt *, enum rpc_display_format_t);
int		rpc_localaddr(struct rpc_clnt *, struct sockaddr *, size_t);

int 		rpc_clnt_iterate_for_each_xprt(struct rpc_clnt *clnt,
			int (*fn)(struct rpc_clnt *, struct rpc_xprt *, void *),
			void *data);

int 		rpc_clnt_test_and_add_xprt(struct rpc_clnt *clnt,
			struct rpc_xprt_switch *xps,
			struct rpc_xprt *xprt,
			void *dummy);
int		rpc_clnt_add_xprt(struct rpc_clnt *, struct xprt_create *,
			int (*setup)(struct rpc_clnt *,
				struct rpc_xprt_switch *,
				struct rpc_xprt *,
				void *),
			void *data);
void		rpc_set_connect_timeout(struct rpc_clnt *clnt,
			unsigned long connect_timeout,
			unsigned long reconnect_timeout);

int		rpc_clnt_setup_test_and_add_xprt(struct rpc_clnt *,
			struct rpc_xprt_switch *,
			struct rpc_xprt *,
			void *);

const char *rpc_proc_name(const struct rpc_task *task);

void rpc_clnt_xprt_switch_put(struct rpc_clnt *);
void rpc_clnt_xprt_switch_add_xprt(struct rpc_clnt *, struct rpc_xprt *);
bool rpc_clnt_xprt_switch_has_addr(struct rpc_clnt *clnt,
			const struct sockaddr *sap);
void rpc_cleanup_clids(void);

static inline int rpc_reply_expected(struct rpc_task *task)
{
	return (task->tk_msg.rpc_proc != NULL) &&
		(task->tk_msg.rpc_proc->p_decode != NULL);
}

static inline void rpc_task_close_connection(struct rpc_task *task)
{
	if (task->tk_xprt)
		xprt_force_disconnect(task->tk_xprt);
}
#endif /* _LINUX_SUNRPC_CLNT_H */

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current directory: / / usr / src / linux-headers-5.15.0-125-generic / include / linux / sunrpc

Edit File:clnt.h