include/linux/sunrpc/stats.h

   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
  47 static inline int rpc_proc_init(struct net *net)
  48 {
  49         return 0;
  50 }
  51
  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
  73 static inline struct proc_dir_entry *rpc_proc_register(struct net *net, struct rpc_stat *s) { return NULL; }
  74 static inline void rpc_proc_unregister(struct net *net, const char *p) {}
  75 static inline void rpc_proc_zero(const struct rpc_program *p) {}
  76
  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; }
  79 static inline void svc_proc_unregister(struct net *net, const char *p) {}
  80
  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 */