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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /include/linux/sunrpc/svcsock.h | |
parent | Initial commit. (diff) | |
download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip |
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'include/linux/sunrpc/svcsock.h')
-rw-r--r-- | include/linux/sunrpc/svcsock.h | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/include/linux/sunrpc/svcsock.h b/include/linux/sunrpc/svcsock.h new file mode 100644 index 000000000..13aff355d --- /dev/null +++ b/include/linux/sunrpc/svcsock.h @@ -0,0 +1,77 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * 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_marker; + /* 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; + /* Number of queued send requests */ + atomic_t sk_sendqlen; + + struct page * sk_pages[RPCSVC_MAXPAGES]; /* received data */ +}; + +static inline u32 svc_sock_reclen(struct svc_sock *svsk) +{ + return be32_to_cpu(svsk->sk_marker) & RPC_FRAGMENT_SIZE_MASK; +} + +static inline u32 svc_sock_final_rec(struct svc_sock *svsk) +{ + return be32_to_cpu(svsk->sk_marker) & 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); +int svc_addsock(struct svc_serv *serv, struct net *net, + const int fd, char *name_return, const size_t len, + const struct cred *cred); +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 */ |