| 1 | /* |
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| 2 | * linux/include/linux/sunrpc/svcsock.h |
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| 3 | * |
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| 4 | * RPC server socket I/O. |
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| 5 | * |
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| 6 | * Copyright (C) 1995, 1996 Olaf Kirch <okir@monad.swb.de> |
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| 7 | */ |
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| 8 | |
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| 9 | #ifndef SUNRPC_SVCSOCK_H |
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| 10 | #define SUNRPC_SVCSOCK_H |
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| 11 | |
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| 12 | #include <linux/sunrpc/svc.h> |
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| 13 | |
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| 14 | /* |
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| 15 | * RPC server socket. |
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| 16 | */ |
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| 17 | struct svc_sock { |
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| 18 | struct list_head sk_ready; /* list of ready sockets */ |
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| 19 | struct list_head sk_list; /* list of all sockets */ |
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| 20 | struct socket * sk_sock; /* berkeley socket layer */ |
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| 21 | struct sock * sk_sk; /* INET layer */ |
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| 22 | |
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| 23 | struct svc_serv * sk_server; /* service for this socket */ |
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| 24 | unsigned int sk_inuse; /* use count */ |
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| 25 | unsigned long sk_flags; |
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| 26 | #define SK_BUSY 0 /* enqueued/receiving */ |
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| 27 | #define SK_CONN 1 /* conn pending */ |
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| 28 | #define SK_CLOSE 2 /* dead or dying */ |
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| 29 | #define SK_DATA 3 /* data pending */ |
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| 30 | #define SK_TEMP 4 /* temp (TCP) socket */ |
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| 31 | #define SK_DEAD 6 /* socket closed */ |
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| 32 | #define SK_CHNGBUF 7 /* need to change snd/rcv buffer sizes */ |
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| 33 | #define SK_DEFERRED 8 /* request on sk_deferred */ |
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| 34 | |
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| 35 | int sk_reserved; /* space on outq that is reserved */ |
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| 36 | |
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| 37 | struct list_head sk_deferred; /* deferred requests that need to |
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| 38 | * be revisted */ |
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| 39 | struct semaphore sk_sem; /* to serialize sending data */ |
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| 40 | |
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| 41 | int (*sk_recvfrom)(struct svc_rqst *rqstp); |
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| 42 | int (*sk_sendto)(struct svc_rqst *rqstp); |
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| 43 | |
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| 44 | /* We keep the old state_change and data_ready CB's here */ |
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| 45 | void (*sk_ostate)(struct sock *); |
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| 46 | void (*sk_odata)(struct sock *, int bytes); |
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| 47 | void (*sk_owspace)(struct sock *); |
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| 48 | |
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| 49 | /* private TCP part */ |
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| 50 | int sk_reclen; /* length of record */ |
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| 51 | int sk_tcplen; /* current read length */ |
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| 52 | time_t sk_lastrecv; /* time of last received request */ |
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| 53 | }; |
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| 54 | |
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| 55 | /* |
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| 56 | * Function prototypes. |
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| 57 | */ |
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| 58 | int svc_makesock(struct svc_serv *, int, unsigned short); |
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| 59 | void svc_delete_socket(struct svc_sock *); |
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| 60 | int svc_recv(struct svc_serv *, struct svc_rqst *, long); |
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| 61 | int svc_send(struct svc_rqst *); |
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| 62 | void svc_drop(struct svc_rqst *); |
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| 63 | void svc_sock_update_bufs(struct svc_serv *serv); |
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| 64 | |
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| 65 | #endif /* SUNRPC_SVCSOCK_H */ |
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