tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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
14/*
15 * RPC server socket.
16 */
17struct svc_sock {
18 struct list_head sk_ready; /* list of ready sockets */
19 struct list_head sk_list; /* list of all sockets */
20 struct socket * sk_sock; /* berkeley socket layer */
21 struct sock * sk_sk; /* INET layer */
22
23 struct svc_serv * sk_server; /* service for this socket */
24 unsigned int sk_inuse; /* use count */
25 unsigned long sk_flags;
26#define SK_BUSY 0 /* enqueued/receiving */
27#define SK_CONN 1 /* conn pending */
28#define SK_CLOSE 2 /* dead or dying */
29#define SK_DATA 3 /* data pending */
30#define SK_TEMP 4 /* temp (TCP) socket */
31#define SK_DEAD 6 /* socket closed */
32#define SK_CHNGBUF 7 /* need to change snd/rcv buffer sizes */
33#define SK_DEFERRED 8 /* request on sk_deferred */
34
35 int sk_reserved; /* space on outq that is reserved */
36
37 struct list_head sk_deferred; /* deferred requests that need to
38 * be revisted */
39 struct semaphore sk_sem; /* to serialize sending data */
40
41 int (*sk_recvfrom)(struct svc_rqst *rqstp);
42 int (*sk_sendto)(struct svc_rqst *rqstp);
43
44 /* We keep the old state_change and data_ready CB's here */
45 void (*sk_ostate)(struct sock *);
46 void (*sk_odata)(struct sock *, int bytes);
47 void (*sk_owspace)(struct sock *);
48
49 /* private TCP part */
50 int sk_reclen; /* length of record */
51 int sk_tcplen; /* current read length */
52 time_t sk_lastrecv; /* time of last received request */
53};
54
55/*
56 * Function prototypes.
57 */
58int svc_makesock(struct svc_serv *, int, unsigned short);
59void svc_delete_socket(struct svc_sock *);
60int svc_recv(struct svc_serv *, struct svc_rqst *, long);
61int svc_send(struct svc_rqst *);
62void svc_drop(struct svc_rqst *);
63void svc_sock_update_bufs(struct svc_serv *serv);
64
65#endif /* SUNRPC_SVCSOCK_H */