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1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/* RxRPC kernel service interface definitions
3 *
4 * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
5 * Written by David Howells (dhowells@redhat.com)
6 */
7
8#ifndef _NET_RXRPC_H
9#define _NET_RXRPC_H
10
11#include <linux/rxrpc.h>
12#include <linux/ktime.h>
13
14struct key;
15struct sock;
16struct socket;
17struct rxrpc_call;
18
19/*
20 * Debug ID counter for tracing.
21 */
22extern atomic_t rxrpc_debug_id;
23
24typedef void (*rxrpc_notify_rx_t)(struct sock *, struct rxrpc_call *,
25 unsigned long);
26typedef void (*rxrpc_notify_end_tx_t)(struct sock *, struct rxrpc_call *,
27 unsigned long);
28typedef void (*rxrpc_notify_new_call_t)(struct sock *, struct rxrpc_call *,
29 unsigned long);
30typedef void (*rxrpc_discard_new_call_t)(struct rxrpc_call *, unsigned long);
31typedef void (*rxrpc_user_attach_call_t)(struct rxrpc_call *, unsigned long);
32
33void rxrpc_kernel_new_call_notification(struct socket *,
34 rxrpc_notify_new_call_t,
35 rxrpc_discard_new_call_t);
36struct rxrpc_call *rxrpc_kernel_begin_call(struct socket *,
37 struct sockaddr_rxrpc *,
38 struct key *,
39 unsigned long,
40 s64,
41 gfp_t,
42 rxrpc_notify_rx_t,
43 bool,
44 bool,
45 unsigned int);
46int rxrpc_kernel_send_data(struct socket *, struct rxrpc_call *,
47 struct msghdr *, size_t,
48 rxrpc_notify_end_tx_t);
49int rxrpc_kernel_recv_data(struct socket *, struct rxrpc_call *,
50 struct iov_iter *, bool, u32 *, u16 *);
51bool rxrpc_kernel_abort_call(struct socket *, struct rxrpc_call *,
52 u32, int, const char *);
53void rxrpc_kernel_end_call(struct socket *, struct rxrpc_call *);
54void rxrpc_kernel_get_peer(struct socket *, struct rxrpc_call *,
55 struct sockaddr_rxrpc *);
56u64 rxrpc_kernel_get_rtt(struct socket *, struct rxrpc_call *);
57int rxrpc_kernel_charge_accept(struct socket *, rxrpc_notify_rx_t,
58 rxrpc_user_attach_call_t, unsigned long, gfp_t,
59 unsigned int);
60void rxrpc_kernel_set_tx_length(struct socket *, struct rxrpc_call *, s64);
61bool rxrpc_kernel_check_life(const struct socket *, const struct rxrpc_call *,
62 u32 *);
63void rxrpc_kernel_probe_life(struct socket *, struct rxrpc_call *);
64u32 rxrpc_kernel_get_epoch(struct socket *, struct rxrpc_call *);
65bool rxrpc_kernel_get_reply_time(struct socket *, struct rxrpc_call *,
66 ktime_t *);
67bool rxrpc_kernel_call_is_complete(struct rxrpc_call *);
68void rxrpc_kernel_set_max_life(struct socket *, struct rxrpc_call *,
69 unsigned long);
70
71#endif /* _NET_RXRPC_H */