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78 lines
2.2 KiB
78 lines
2.2 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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/* |
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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 <[email protected]> |
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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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#include <linux/sunrpc/svc_xprt.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 svc_xprt sk_xprt; |
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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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/* 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 *); |
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void (*sk_owspace)(struct sock *); |
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/* private TCP part */ |
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/* On-the-wire fragment header: */ |
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__be32 sk_marker; |
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/* As we receive a record, this includes the length received so |
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* far (including the fragment header): */ |
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u32 sk_tcplen; |
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/* Total length of the data (not including fragment headers) |
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* received so far in the fragments making up this rpc: */ |
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u32 sk_datalen; |
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/* Number of queued send requests */ |
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atomic_t sk_sendqlen; |
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struct page * sk_pages[RPCSVC_MAXPAGES]; /* received data */ |
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}; |
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static inline u32 svc_sock_reclen(struct svc_sock *svsk) |
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{ |
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return be32_to_cpu(svsk->sk_marker) & RPC_FRAGMENT_SIZE_MASK; |
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} |
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static inline u32 svc_sock_final_rec(struct svc_sock *svsk) |
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{ |
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return be32_to_cpu(svsk->sk_marker) & RPC_LAST_STREAM_FRAGMENT; |
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} |
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/* |
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* Function prototypes. |
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*/ |
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void svc_close_net(struct svc_serv *, struct net *); |
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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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bool svc_alien_sock(struct net *net, int fd); |
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int svc_addsock(struct svc_serv *serv, const int fd, |
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char *name_return, const size_t len, |
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const struct cred *cred); |
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void svc_init_xprt_sock(void); |
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void svc_cleanup_xprt_sock(void); |
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struct svc_xprt *svc_sock_create(struct svc_serv *serv, int prot); |
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void svc_sock_destroy(struct svc_xprt *); |
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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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