1/* RxRPC kernel service interface definitions
 2 *
 3 * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
 4 * Written by David Howells (dhowells@redhat.com)
 5 *
 6 * This program is free software; you can redistribute it and/or
 7 * modify it under the terms of the GNU General Public License
 8 * as published by the Free Software Foundation; either version
 9 * 2 of the License, or (at your option) any later version.
10 */
11
12#ifndef _NET_RXRPC_H
13#define _NET_RXRPC_H
14
15#include <linux/rxrpc.h>
16
17struct key;
18struct sock;
19struct socket;
20struct rxrpc_call;
21
22/*
23 * Call completion condition (state == RXRPC_CALL_COMPLETE).
24 */
25enum rxrpc_call_completion {
26	RXRPC_CALL_SUCCEEDED,		/* - Normal termination */
27	RXRPC_CALL_REMOTELY_ABORTED,	/* - call aborted by peer */
28	RXRPC_CALL_LOCALLY_ABORTED,	/* - call aborted locally on error or close */
29	RXRPC_CALL_LOCAL_ERROR,		/* - call failed due to local error */
30	RXRPC_CALL_NETWORK_ERROR,	/* - call terminated by network error */
31	NR__RXRPC_CALL_COMPLETIONS
32};
33
34/*
35 * Debug ID counter for tracing.
36 */
37extern atomic_t rxrpc_debug_id;
38
39typedef void (*rxrpc_notify_rx_t)(struct sock *, struct rxrpc_call *,
40				  unsigned long);
41typedef void (*rxrpc_notify_end_tx_t)(struct sock *, struct rxrpc_call *,
42				      unsigned long);
43typedef void (*rxrpc_notify_new_call_t)(struct sock *, struct rxrpc_call *,
44					unsigned long);
45typedef void (*rxrpc_discard_new_call_t)(struct rxrpc_call *, unsigned long);
46typedef void (*rxrpc_user_attach_call_t)(struct rxrpc_call *, unsigned long);
47
48void rxrpc_kernel_new_call_notification(struct socket *,
49					rxrpc_notify_new_call_t,
50					rxrpc_discard_new_call_t);
51struct rxrpc_call *rxrpc_kernel_begin_call(struct socket *,
52					   struct sockaddr_rxrpc *,
53					   struct key *,
54					   unsigned long,
55					   s64,
56					   gfp_t,
57					   rxrpc_notify_rx_t,
58					   bool,
59					   unsigned int);
60int rxrpc_kernel_send_data(struct socket *, struct rxrpc_call *,
61			   struct msghdr *, size_t,
62			   rxrpc_notify_end_tx_t);
63int rxrpc_kernel_recv_data(struct socket *, struct rxrpc_call *,
64			   void *, size_t, size_t *, bool, u32 *, u16 *);
65bool rxrpc_kernel_abort_call(struct socket *, struct rxrpc_call *,
66			     u32, int, const char *);
67void rxrpc_kernel_end_call(struct socket *, struct rxrpc_call *);
68void rxrpc_kernel_get_peer(struct socket *, struct rxrpc_call *,
69			   struct sockaddr_rxrpc *);
70u64 rxrpc_kernel_get_rtt(struct socket *, struct rxrpc_call *);
71int rxrpc_kernel_charge_accept(struct socket *, rxrpc_notify_rx_t,
72			       rxrpc_user_attach_call_t, unsigned long, gfp_t,
73			       unsigned int);
74void rxrpc_kernel_set_tx_length(struct socket *, struct rxrpc_call *, s64);
75int rxrpc_kernel_retry_call(struct socket *, struct rxrpc_call *,
76			    struct sockaddr_rxrpc *, struct key *);
77int rxrpc_kernel_check_call(struct socket *, struct rxrpc_call *,
78			    enum rxrpc_call_completion *, u32 *);
79u32 rxrpc_kernel_check_life(struct socket *, struct rxrpc_call *);
80
81#endif /* _NET_RXRPC_H */

 1/* RxRPC kernel service interface definitions
 2 *
 3 * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
 4 * Written by David Howells (dhowells@redhat.com)
 5 *
 6 * This program is free software; you can redistribute it and/or
 7 * modify it under the terms of the GNU General Public License
 8 * as published by the Free Software Foundation; either version
 9 * 2 of the License, or (at your option) any later version.
10 */
11
12#ifndef _NET_RXRPC_H
13#define _NET_RXRPC_H
14
15#include <linux/rxrpc.h>
16
17struct key;
18struct sock;
19struct socket;
20struct rxrpc_call;
21
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
22typedef void (*rxrpc_notify_rx_t)(struct sock *, struct rxrpc_call *,
23				  unsigned long);
 
 
24typedef void (*rxrpc_notify_new_call_t)(struct sock *, struct rxrpc_call *,
25					unsigned long);
26typedef void (*rxrpc_discard_new_call_t)(struct rxrpc_call *, unsigned long);
27typedef void (*rxrpc_user_attach_call_t)(struct rxrpc_call *, unsigned long);
28
29void rxrpc_kernel_new_call_notification(struct socket *,
30					rxrpc_notify_new_call_t,
31					rxrpc_discard_new_call_t);
32struct rxrpc_call *rxrpc_kernel_begin_call(struct socket *,
33					   struct sockaddr_rxrpc *,
34					   struct key *,
35					   unsigned long,
 
36					   gfp_t,
37					   rxrpc_notify_rx_t);
 
 
38int rxrpc_kernel_send_data(struct socket *, struct rxrpc_call *,
39			   struct msghdr *, size_t);
 
40int rxrpc_kernel_recv_data(struct socket *, struct rxrpc_call *,
41			   void *, size_t, size_t *, bool, u32 *);
42void rxrpc_kernel_abort_call(struct socket *, struct rxrpc_call *,
43			     u32, int, const char *);
44void rxrpc_kernel_end_call(struct socket *, struct rxrpc_call *);
45void rxrpc_kernel_get_peer(struct socket *, struct rxrpc_call *,
46			   struct sockaddr_rxrpc *);
 
47int rxrpc_kernel_charge_accept(struct socket *, rxrpc_notify_rx_t,
48			       rxrpc_user_attach_call_t, unsigned long, gfp_t);
 
 
 
 
 
 
 
49
50#endif /* _NET_RXRPC_H */