include/linux/sunrpc/svcsock.h

   1 /*
   2  * linux/include/linux/sunrpc/svcsock.h
   3  *
   4  * RPC server socket I/O.
   5  *
   6  * Copyright (C) 1995, 1996 Olaf Kirch <okir@monad.swb.de>
   7  */
   8
   9 #ifndef SUNRPC_SVCSOCK_H
  10 #define SUNRPC_SVCSOCK_H
  11
  12 #include <linux/sunrpc/svc.h>
  13 #include <linux/sunrpc/svc_xprt.h>
  14
  15 /*
  16  * RPC server socket.
  17  */
  18 struct svc_sock {
  19         struct svc_xprt         sk_xprt;
  20         struct socket *         sk_sock;        /* berkeley socket layer */
  21         struct sock *           sk_sk;          /* INET layer */
  22
  23         /* We keep the old state_change and data_ready CB's here */
  24         void                    (*sk_ostate)(struct sock *);
  25         void                    (*sk_odata)(struct sock *, int bytes);
  26         void                    (*sk_owspace)(struct sock *);
  27
  28         /* private TCP part */
  29         u32                     sk_reclen;      /* length of record */
  30         u32                     sk_tcplen;      /* current read length */
  31         struct rpc_xprt         *sk_bc_xprt;    /* NFSv4.1 backchannel xprt */
  32 };
  33
  34 /*
  35  * Function prototypes.
  36  */
  37 void            svc_close_all(struct list_head *);
  38 int             svc_recv(struct svc_rqst *, long);
  39 int             svc_send(struct svc_rqst *);
  40 void            svc_drop(struct svc_rqst *);
  41 void            svc_sock_update_bufs(struct svc_serv *serv);
  42 int             svc_sock_names(struct svc_serv *serv, char *buf,
  43                                         const size_t buflen,
  44                                         const char *toclose);
  45 int             svc_addsock(struct svc_serv *serv, const int fd,
  46                                         char *name_return, const size_t len);
  47 void            svc_init_xprt_sock(void);
  48 void            svc_cleanup_xprt_sock(void);
  49 struct svc_xprt *svc_sock_create(struct svc_serv *serv, int prot);
  50 void            svc_sock_destroy(struct svc_xprt *);
  51
  52 /*
  53  * svc_makesock socket characteristics
  54  */
  55 #define SVC_SOCK_DEFAULTS       (0U)
  56 #define SVC_SOCK_ANONYMOUS      (1U << 0)       /* don't register with pmap */
  57 #define SVC_SOCK_TEMPORARY      (1U << 1)       /* flag socket as temporary */
  58
  59 #endif /* SUNRPC_SVCSOCK_H */