diff options
Diffstat (limited to 'kernel/include/linux/sunrpc/svcsock.h')
-rw-r--r-- | kernel/include/linux/sunrpc/svcsock.h | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/kernel/include/linux/sunrpc/svcsock.h b/kernel/include/linux/sunrpc/svcsock.h new file mode 100644 index 000000000..2e780134f --- /dev/null +++ b/kernel/include/linux/sunrpc/svcsock.h @@ -0,0 +1,74 @@ +/* + * linux/include/linux/sunrpc/svcsock.h + * + * RPC server socket I/O. + * + * Copyright (C) 1995, 1996 Olaf Kirch <okir@monad.swb.de> + */ + +#ifndef SUNRPC_SVCSOCK_H +#define SUNRPC_SVCSOCK_H + +#include <linux/sunrpc/svc.h> +#include <linux/sunrpc/svc_xprt.h> + +/* + * RPC server socket. + */ +struct svc_sock { + struct svc_xprt sk_xprt; + struct socket * sk_sock; /* berkeley socket layer */ + struct sock * sk_sk; /* INET layer */ + + /* We keep the old state_change and data_ready CB's here */ + void (*sk_ostate)(struct sock *); + void (*sk_odata)(struct sock *); + void (*sk_owspace)(struct sock *); + + /* private TCP part */ + /* On-the-wire fragment header: */ + __be32 sk_reclen; + /* As we receive a record, this includes the length received so + * far (including the fragment header): */ + u32 sk_tcplen; + /* Total length of the data (not including fragment headers) + * received so far in the fragments making up this rpc: */ + u32 sk_datalen; + + struct page * sk_pages[RPCSVC_MAXPAGES]; /* received data */ +}; + +static inline u32 svc_sock_reclen(struct svc_sock *svsk) +{ + return ntohl(svsk->sk_reclen) & RPC_FRAGMENT_SIZE_MASK; +} + +static inline u32 svc_sock_final_rec(struct svc_sock *svsk) +{ + return ntohl(svsk->sk_reclen) & RPC_LAST_STREAM_FRAGMENT; +} + +/* + * Function prototypes. + */ +void svc_close_net(struct svc_serv *, struct net *); +int svc_recv(struct svc_rqst *, long); +int svc_send(struct svc_rqst *); +void svc_drop(struct svc_rqst *); +void svc_sock_update_bufs(struct svc_serv *serv); +bool svc_alien_sock(struct net *net, int fd); +int svc_addsock(struct svc_serv *serv, const int fd, + char *name_return, const size_t len); +void svc_init_xprt_sock(void); +void svc_cleanup_xprt_sock(void); +struct svc_xprt *svc_sock_create(struct svc_serv *serv, int prot); +void svc_sock_destroy(struct svc_xprt *); + +/* + * svc_makesock socket characteristics + */ +#define SVC_SOCK_DEFAULTS (0U) +#define SVC_SOCK_ANONYMOUS (1U << 0) /* don't register with pmap */ +#define SVC_SOCK_TEMPORARY (1U << 1) /* flag socket as temporary */ + +#endif /* SUNRPC_SVCSOCK_H */ |