forked from luck/tmp_suning_uos_patched
6b174337e5
Currently in the RPC server, registering with the local portmapper and creating "permanent" sockets are tied together. Expand the internal APIs to allow these two socket characteristics to be separately specified. This will be externalized in the next patch. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Cc: Aurelien Charbon <aurelien.charbon@ext.bull.net> Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
85 lines
2.6 KiB
C
85 lines
2.6 KiB
C
/*
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* linux/include/linux/sunrpc/svcsock.h
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*
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* RPC server socket I/O.
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*
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* Copyright (C) 1995, 1996 Olaf Kirch <okir@monad.swb.de>
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*/
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#ifndef SUNRPC_SVCSOCK_H
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#define SUNRPC_SVCSOCK_H
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#include <linux/sunrpc/svc.h>
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/*
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* RPC server socket.
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*/
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struct svc_sock {
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struct list_head sk_ready; /* list of ready sockets */
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struct list_head sk_list; /* list of all sockets */
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struct socket * sk_sock; /* berkeley socket layer */
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struct sock * sk_sk; /* INET layer */
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struct svc_pool * sk_pool; /* current pool iff queued */
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struct svc_serv * sk_server; /* service for this socket */
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atomic_t sk_inuse; /* use count */
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unsigned long sk_flags;
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#define SK_BUSY 0 /* enqueued/receiving */
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#define SK_CONN 1 /* conn pending */
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#define SK_CLOSE 2 /* dead or dying */
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#define SK_DATA 3 /* data pending */
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#define SK_TEMP 4 /* temp (TCP) socket */
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#define SK_DEAD 6 /* socket closed */
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#define SK_CHNGBUF 7 /* need to change snd/rcv buffer sizes */
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#define SK_DEFERRED 8 /* request on sk_deferred */
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#define SK_OLD 9 /* used for temp socket aging mark+sweep */
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#define SK_DETACHED 10 /* detached from tempsocks list */
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atomic_t sk_reserved; /* space on outq that is reserved */
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spinlock_t sk_defer_lock; /* protects sk_deferred */
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struct list_head sk_deferred; /* deferred requests that need to
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* be revisted */
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struct mutex sk_mutex; /* to serialize sending data */
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int (*sk_recvfrom)(struct svc_rqst *rqstp);
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int (*sk_sendto)(struct svc_rqst *rqstp);
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/* We keep the old state_change and data_ready CB's here */
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void (*sk_ostate)(struct sock *);
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void (*sk_odata)(struct sock *, int bytes);
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void (*sk_owspace)(struct sock *);
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/* private TCP part */
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int sk_reclen; /* length of record */
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int sk_tcplen; /* current read length */
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time_t sk_lastrecv; /* time of last received request */
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/* cache of various info for TCP sockets */
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void *sk_info_authunix;
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};
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/*
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* Function prototypes.
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*/
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int svc_makesock(struct svc_serv *, int, unsigned short);
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void svc_close_socket(struct svc_sock *);
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int svc_recv(struct svc_rqst *, long);
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int svc_send(struct svc_rqst *);
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void svc_drop(struct svc_rqst *);
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void svc_sock_update_bufs(struct svc_serv *serv);
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int svc_sock_names(char *buf, struct svc_serv *serv, char *toclose);
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int svc_addsock(struct svc_serv *serv,
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int fd,
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char *name_return,
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int *proto);
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/*
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* svc_makesock socket characteristics
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*/
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#define SVC_SOCK_DEFAULTS (0U)
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#define SVC_SOCK_ANONYMOUS (1U << 0) /* don't register with pmap */
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#define SVC_SOCK_TEMPORARY (1U << 1) /* flag socket as temporary */
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#endif /* SUNRPC_SVCSOCK_H */
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