2 * linux/include/linux/sunrpc/svcsock.h
4 * RPC server socket I/O.
6 * Copyright (C) 1995, 1996 Olaf Kirch <okir@monad.swb.de>
9 #ifndef SUNRPC_SVCSOCK_H
10 #define SUNRPC_SVCSOCK_H
12 #include <linux/sunrpc/svc.h>
13 #include <linux/sunrpc/svc_xprt.h>
19 struct svc_xprt sk_xprt;
20 struct list_head sk_ready; /* list of ready sockets */
21 struct list_head sk_list; /* list of all sockets */
22 struct socket * sk_sock; /* berkeley socket layer */
23 struct sock * sk_sk; /* INET layer */
25 struct svc_pool * sk_pool; /* current pool iff queued */
26 struct svc_serv * sk_server; /* service for this socket */
27 unsigned long sk_flags;
28 #define SK_BUSY 0 /* enqueued/receiving */
29 #define SK_CONN 1 /* conn pending */
30 #define SK_CLOSE 2 /* dead or dying */
31 #define SK_DATA 3 /* data pending */
32 #define SK_TEMP 4 /* temp (TCP) socket */
33 #define SK_DEAD 6 /* socket closed */
34 #define SK_CHNGBUF 7 /* need to change snd/rcv buffer sizes */
35 #define SK_DEFERRED 8 /* request on sk_deferred */
36 #define SK_OLD 9 /* used for temp socket aging mark+sweep */
37 #define SK_DETACHED 10 /* detached from tempsocks list */
38 #define SK_LISTENER 11 /* listening endpoint */
40 atomic_t sk_reserved; /* space on outq that is reserved */
42 spinlock_t sk_lock; /* protects sk_deferred and
44 struct list_head sk_deferred; /* deferred requests that need to
46 struct mutex sk_mutex; /* to serialize sending data */
48 /* We keep the old state_change and data_ready CB's here */
49 void (*sk_ostate)(struct sock *);
50 void (*sk_odata)(struct sock *, int bytes);
51 void (*sk_owspace)(struct sock *);
53 /* private TCP part */
54 int sk_reclen; /* length of record */
55 int sk_tcplen; /* current read length */
56 time_t sk_lastrecv; /* time of last received request */
58 /* cache of various info for TCP sockets */
59 void *sk_info_authunix;
61 struct sockaddr_storage sk_local; /* local address */
62 struct sockaddr_storage sk_remote; /* remote peer's address */
63 int sk_remotelen; /* length of address */
67 * Function prototypes.
69 void svc_force_close_socket(struct svc_sock *);
70 int svc_recv(struct svc_rqst *, long);
71 int svc_send(struct svc_rqst *);
72 void svc_drop(struct svc_rqst *);
73 void svc_sock_update_bufs(struct svc_serv *serv);
74 int svc_sock_names(char *buf, struct svc_serv *serv, char *toclose);
75 int svc_addsock(struct svc_serv *serv,
79 void svc_init_xprt_sock(void);
80 void svc_cleanup_xprt_sock(void);
83 * svc_makesock socket characteristics
85 #define SVC_SOCK_DEFAULTS (0U)
86 #define SVC_SOCK_ANONYMOUS (1U << 0) /* don't register with pmap */
87 #define SVC_SOCK_TEMPORARY (1U << 1) /* flag socket as temporary */
89 #endif /* SUNRPC_SVCSOCK_H */