1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2/*
3 * Kernel Connection Multiplexor
4 *
5 * Copyright (c) 2016 Tom Herbert <tom@herbertland.com>
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2
9 * as published by the Free Software Foundation.
10 *
11 * User API to clone KCM sockets and attach transport socket to a KCM
12 * multiplexor.
13 */
14
15#ifndef KCM_KERNEL_H
16#define KCM_KERNEL_H
17
18struct kcm_attach {
19	int fd;
20	int bpf_fd;
21};
22
23struct kcm_unattach {
24	int fd;
25};
26
27struct kcm_clone {
28	int fd;
29};
30
31#define SIOCKCMATTACH	(SIOCPROTOPRIVATE + 0)
32#define SIOCKCMUNATTACH	(SIOCPROTOPRIVATE + 1)
33#define SIOCKCMCLONE	(SIOCPROTOPRIVATE + 2)
34
35#define KCMPROTO_CONNECTED	0
36
37/* Socket options */
38#define KCM_RECV_DISABLE	1
39
40#endif
41
42