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#include <linux/ktime.h>
17
18struct key;
19struct sock;
20struct socket;
21struct rxrpc_call;
22
23/*
24 * Debug ID counter for tracing.
25 */
26extern atomic_t rxrpc_debug_id;
27
28typedef void (*rxrpc_notify_rx_t)(struct sock *, struct rxrpc_call *,
29 unsigned long);
30typedef void (*rxrpc_notify_end_tx_t)(struct sock *, struct rxrpc_call *,
31 unsigned long);
32typedef void (*rxrpc_notify_new_call_t)(struct sock *, struct rxrpc_call *,
33 unsigned long);
34typedef void (*rxrpc_discard_new_call_t)(struct rxrpc_call *, unsigned long);
35typedef void (*rxrpc_user_attach_call_t)(struct rxrpc_call *, unsigned long);
36
37void rxrpc_kernel_new_call_notification(struct socket *,
38 rxrpc_notify_new_call_t,
39 rxrpc_discard_new_call_t);
40struct rxrpc_call *rxrpc_kernel_begin_call(struct socket *,
41 struct sockaddr_rxrpc *,
42 struct key *,
43 unsigned long,
44 s64,
45 gfp_t,
46 rxrpc_notify_rx_t,
47 bool,
48 unsigned int);
49int rxrpc_kernel_send_data(struct socket *, struct rxrpc_call *,
50 struct msghdr *, size_t,
51 rxrpc_notify_end_tx_t);
52int rxrpc_kernel_recv_data(struct socket *, struct rxrpc_call *,
53 struct iov_iter *, bool, u32 *, u16 *);
54bool rxrpc_kernel_abort_call(struct socket *, struct rxrpc_call *,
55 u32, int, const char *);
56void rxrpc_kernel_end_call(struct socket *, struct rxrpc_call *);
57void rxrpc_kernel_get_peer(struct socket *, struct rxrpc_call *,
58 struct sockaddr_rxrpc *);
59u64 rxrpc_kernel_get_rtt(struct socket *, struct rxrpc_call *);
60int rxrpc_kernel_charge_accept(struct socket *, rxrpc_notify_rx_t,
61 rxrpc_user_attach_call_t, unsigned long, gfp_t,
62 unsigned int);
63void rxrpc_kernel_set_tx_length(struct socket *, struct rxrpc_call *, s64);
64u32 rxrpc_kernel_check_life(const struct socket *, const struct rxrpc_call *);
65void rxrpc_kernel_probe_life(struct socket *, struct rxrpc_call *);
66u32 rxrpc_kernel_get_epoch(struct socket *, struct rxrpc_call *);
67bool rxrpc_kernel_get_reply_time(struct socket *, struct rxrpc_call *,
68 ktime_t *);
69
70#endif /* _NET_RXRPC_H */
71