LXR linux/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 */
  18struct 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 */
  37void            svc_close_all(struct list_head *);
  38int             svc_recv(struct svc_rqst *, long);
  39int             svc_send(struct svc_rqst *);
  40void            svc_drop(struct svc_rqst *);
  41void            svc_sock_update_bufs(struct svc_serv *serv);
  42int             svc_sock_names(struct svc_serv *serv, char *buf,
  43                                        const size_t buflen,
  44                                        const char *toclose);
  45int             svc_addsock(struct svc_serv *serv, const int fd,
  46                                        char *name_return, const size_t len);
  47void            svc_init_xprt_sock(void);
  48void            svc_cleanup_xprt_sock(void);
  49struct svc_xprt *svc_sock_create(struct svc_serv *serv, int prot);
  50void            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 */
  60