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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;
18enum rxrpc_abort_reason;
19
20enum rxrpc_interruptibility {
21 RXRPC_INTERRUPTIBLE, /* Call is interruptible */
22 RXRPC_PREINTERRUPTIBLE, /* Call can be cancelled whilst waiting for a slot */
23 RXRPC_UNINTERRUPTIBLE, /* Call should not be interruptible at all */
24};
25
26/*
27 * Debug ID counter for tracing.
28 */
29extern atomic_t rxrpc_debug_id;
30
31typedef void (*rxrpc_notify_rx_t)(struct sock *, struct rxrpc_call *,
32 unsigned long);
33typedef void (*rxrpc_notify_end_tx_t)(struct sock *, struct rxrpc_call *,
34 unsigned long);
35typedef void (*rxrpc_notify_new_call_t)(struct sock *, struct rxrpc_call *,
36 unsigned long);
37typedef void (*rxrpc_discard_new_call_t)(struct rxrpc_call *, unsigned long);
38typedef void (*rxrpc_user_attach_call_t)(struct rxrpc_call *, unsigned long);
39
40void rxrpc_kernel_new_call_notification(struct socket *,
41 rxrpc_notify_new_call_t,
42 rxrpc_discard_new_call_t);
43struct rxrpc_call *rxrpc_kernel_begin_call(struct socket *,
44 struct sockaddr_rxrpc *,
45 struct key *,
46 unsigned long,
47 s64,
48 gfp_t,
49 rxrpc_notify_rx_t,
50 bool,
51 enum rxrpc_interruptibility,
52 unsigned int);
53int rxrpc_kernel_send_data(struct socket *, struct rxrpc_call *,
54 struct msghdr *, size_t,
55 rxrpc_notify_end_tx_t);
56int rxrpc_kernel_recv_data(struct socket *, struct rxrpc_call *,
57 struct iov_iter *, size_t *, bool, u32 *, u16 *);
58bool rxrpc_kernel_abort_call(struct socket *, struct rxrpc_call *,
59 u32, int, enum rxrpc_abort_reason);
60void rxrpc_kernel_end_call(struct socket *, struct rxrpc_call *);
61void rxrpc_kernel_get_peer(struct socket *, struct rxrpc_call *,
62 struct sockaddr_rxrpc *);
63bool rxrpc_kernel_get_srtt(struct socket *, struct rxrpc_call *, u32 *);
64int rxrpc_kernel_charge_accept(struct socket *, rxrpc_notify_rx_t,
65 rxrpc_user_attach_call_t, unsigned long, gfp_t,
66 unsigned int);
67void rxrpc_kernel_set_tx_length(struct socket *, struct rxrpc_call *, s64);
68bool rxrpc_kernel_check_life(const struct socket *, const struct rxrpc_call *);
69u32 rxrpc_kernel_get_epoch(struct socket *, struct rxrpc_call *);
70void rxrpc_kernel_set_max_life(struct socket *, struct rxrpc_call *,
71 unsigned long);
72
73int rxrpc_sock_set_min_security_level(struct sock *sk, unsigned int val);
74int rxrpc_sock_set_security_keyring(struct sock *, struct key *);
75
76#endif /* _NET_RXRPC_H */