[mirror_ubuntu-focal-kernel.git] / include / uapi / linux / kcm.h

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
 * Kernel Connection Multiplexor
 *
 * Copyright (c) 2016 Tom Herbert <tom@herbertland.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2
 * as published by the Free Software Foundation.
 *
 * User API to clone KCM sockets and attach transport socket to a KCM
 * multiplexor.
 */

#ifndef KCM_KERNEL_H
#define KCM_KERNEL_H

struct kcm_attach {
	int fd;
	int bpf_fd;
};

struct kcm_unattach {
	int fd;
};

struct kcm_clone {
	int fd;
};

#define SIOCKCMATTACH	(SIOCPROTOPRIVATE + 0)
#define SIOCKCMUNATTACH	(SIOCPROTOPRIVATE + 1)
#define SIOCKCMCLONE	(SIOCPROTOPRIVATE + 2)

#define KCMPROTO_CONNECTED	0

/* Socket options */
#define KCM_RECV_DISABLE	1

#endif
Commit	Line	Data
e2be04c7	1	/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
ab7ac4eb TH	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
	18	struct kcm_attach {
	19	int fd;
	20	int bpf_fd;
	21	};
	22
	23	struct kcm_unattach {
	24	int fd;
	25	};
	26
	27	struct 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