1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * linux/include/linux/sunrpc/stats.h
4  *
5  * Client statistics collection for SUN RPC
6  *
7  * Copyright (C) 1996 Olaf Kirch <okir@monad.swb.de>
8  */
9 
10 #ifndef _LINUX_SUNRPC_STATS_H
11 #define _LINUX_SUNRPC_STATS_H
12 
13 #include <linux/proc_fs.h>
14 
15 struct rpc_stat {
16 	const struct rpc_program *program;
17 
18 	unsigned int		netcnt,
19 				netudpcnt,
20 				nettcpcnt,
21 				nettcpconn,
22 				netreconn;
23 	unsigned int		rpccnt,
24 				rpcretrans,
25 				rpcauthrefresh,
26 				rpcgarbage;
27 };
28 
29 struct svc_stat {
30 	struct svc_program *	program;
31 
32 	unsigned int		netcnt,
33 				netudpcnt,
34 				nettcpcnt,
35 				nettcpconn;
36 	unsigned int		rpccnt,
37 				rpcbadfmt,
38 				rpcbadauth,
39 				rpcbadclnt;
40 };
41 
42 struct net;
43 #ifdef CONFIG_PROC_FS
44 int			rpc_proc_init(struct net *);
45 void			rpc_proc_exit(struct net *);
46 #else
rpc_proc_init(struct net * net)47 static inline int rpc_proc_init(struct net *net)
48 {
49 	return 0;
50 }
51 
rpc_proc_exit(struct net * net)52 static inline void rpc_proc_exit(struct net *net)
53 {
54 }
55 #endif
56 
57 #ifdef MODULE
58 void			rpc_modcount(struct inode *, int);
59 #endif
60 
61 #ifdef CONFIG_PROC_FS
62 struct proc_dir_entry *	rpc_proc_register(struct net *,struct rpc_stat *);
63 void			rpc_proc_unregister(struct net *,const char *);
64 void			rpc_proc_zero(const struct rpc_program *);
65 struct proc_dir_entry *	svc_proc_register(struct net *, struct svc_stat *,
66 					  const struct file_operations *);
67 void			svc_proc_unregister(struct net *, const char *);
68 
69 void			svc_seq_show(struct seq_file *,
70 				     const struct svc_stat *);
71 #else
72 
rpc_proc_register(struct net * net,struct rpc_stat * s)73 static inline struct proc_dir_entry *rpc_proc_register(struct net *net, struct rpc_stat *s) { return NULL; }
rpc_proc_unregister(struct net * net,const char * p)74 static inline void rpc_proc_unregister(struct net *net, const char *p) {}
rpc_proc_zero(const struct rpc_program * p)75 static inline void rpc_proc_zero(const struct rpc_program *p) {}
76 
svc_proc_register(struct net * net,struct svc_stat * s,const struct file_operations * f)77 static inline struct proc_dir_entry *svc_proc_register(struct net *net, struct svc_stat *s,
78 						       const struct file_operations *f) { return NULL; }
svc_proc_unregister(struct net * net,const char * p)79 static inline void svc_proc_unregister(struct net *net, const char *p) {}
80 
svc_seq_show(struct seq_file * seq,const struct svc_stat * st)81 static inline void svc_seq_show(struct seq_file *seq,
82 				const struct svc_stat *st) {}
83 #endif
84 
85 #endif /* _LINUX_SUNRPC_STATS_H */
86