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 /* Per-version per-procedure call counts (per-cpu, per-netns) */
42 unsigned long __percpu **vs_count;
43 };
44
45 struct net;
46 int svc_stat_alloc_counts(struct svc_stat *statp);
47 void svc_stat_free_counts(struct svc_stat *statp);
48
49 #ifdef CONFIG_PROC_FS
50 int rpc_proc_init(struct net *);
51 void rpc_proc_exit(struct net *);
52 struct proc_dir_entry * rpc_proc_register(struct net *,struct rpc_stat *);
53 void rpc_proc_unregister(struct net *,const char *);
54 void rpc_proc_zero(const struct rpc_program *);
55 struct proc_dir_entry * svc_proc_register(struct net *, struct svc_stat *,
56 const struct proc_ops *);
57 void svc_proc_unregister(struct net *, const char *);
58
59 void svc_seq_show(struct seq_file *,
60 const struct svc_stat *);
61 #else
rpc_proc_init(struct net * net)62 static inline int rpc_proc_init(struct net *net)
63 {
64 return 0;
65 }
66
rpc_proc_exit(struct net * net)67 static inline void rpc_proc_exit(struct net *net)
68 {
69 }
rpc_proc_register(struct net * net,struct rpc_stat * s)70 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)71 static inline void rpc_proc_unregister(struct net *net, const char *p) {}
rpc_proc_zero(const struct rpc_program * p)72 static inline void rpc_proc_zero(const struct rpc_program *p) {}
73
svc_proc_register(struct net * net,struct svc_stat * s,const struct proc_ops * proc_ops)74 static inline struct proc_dir_entry *svc_proc_register(struct net *net, struct svc_stat *s,
75 const struct proc_ops *proc_ops) { return NULL; }
svc_proc_unregister(struct net * net,const char * p)76 static inline void svc_proc_unregister(struct net *net, const char *p) {}
77
svc_seq_show(struct seq_file * seq,const struct svc_stat * st)78 static inline void svc_seq_show(struct seq_file *seq,
79 const struct svc_stat *st) {}
80 #endif
81
82 #endif /* _LINUX_SUNRPC_STATS_H */
83