/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */

/*

 *  SR-IPv6 implementation

 *

 *  Author:

 *  David Lebrun <david.lebrun@uclouvain.be>

 *

 *

 *  This program is free software; you can redistribute it and/or

 *      modify it under the terms of the GNU General Public License

 *      as published by the Free Software Foundation; either version

 *      2 of the License, or (at your option) any later version.

 */

#ifndef _LINUX_SEG6_IPTUNNEL_H

#define _LINUX_SEG6_IPTUNNEL_H

#include <linux/seg6.h>		/* For struct ipv6_sr_hdr. */

enum {

	SEG6_IPTUNNEL_UNSPEC,

	SEG6_IPTUNNEL_SRH,

	__SEG6_IPTUNNEL_MAX,

};

#define SEG6_IPTUNNEL_MAX (__SEG6_IPTUNNEL_MAX - 1)

struct seg6_iptunnel_encap {

	int mode;

	struct ipv6_sr_hdr srh[0];

};

#define SEG6_IPTUN_ENCAP_SIZE(x) ((sizeof(*x)) + (((x)->srh->hdrlen + 1) << 3))

enum {

	SEG6_IPTUN_MODE_INLINE,

	SEG6_IPTUN_MODE_ENCAP,

	SEG6_IPTUN_MODE_L2ENCAP,

};

#endif