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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980/* 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 *);
/* For sends (protected by xpt_mutex) */ struct bio_vec *sk_bvec;
/* 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;
struct page_frag_cache sk_frag_cache;
struct completion sk_handshake_done;
/* received data */ unsigned long sk_maxpages; struct page * sk_pages[] __counted_by(sk_maxpages);};
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. */int svc_recv(struct svc_rqst *rqstp, long timeo);void svc_send(struct svc_rqst *rqstp);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);
/* * 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 */