1/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
2/*
3 *  SR-IPv6 implementation
4 *
5 *  Author:
6 *  David Lebrun <david.lebrun@uclouvain.be>
7 *
8 *
9 *  This program is free software; you can redistribute it and/or
10 *      modify it under the terms of the GNU General Public License
11 *      as published by the Free Software Foundation; either version
12 *      2 of the License, or (at your option) any later version.
13 */
14
15#ifndef _UAPI_LINUX_SEG6_IPTUNNEL_H
16#define _UAPI_LINUX_SEG6_IPTUNNEL_H
17
18#include <linux/seg6.h>		/* For struct ipv6_sr_hdr. */
19
20enum {
21	SEG6_IPTUNNEL_UNSPEC,
22	SEG6_IPTUNNEL_SRH,
23	__SEG6_IPTUNNEL_MAX,
24};
25#define SEG6_IPTUNNEL_MAX (__SEG6_IPTUNNEL_MAX - 1)
26
27struct seg6_iptunnel_encap {
28	int mode;
29	struct ipv6_sr_hdr srh[];
30};
31
32#define SEG6_IPTUN_ENCAP_SIZE(x) ((sizeof(*x)) + (((x)->srh->hdrlen + 1) << 3))
33
34enum {
35	SEG6_IPTUN_MODE_INLINE,
36	SEG6_IPTUN_MODE_ENCAP,
37	SEG6_IPTUN_MODE_L2ENCAP,
38	SEG6_IPTUN_MODE_ENCAP_RED,
39	SEG6_IPTUN_MODE_L2ENCAP_RED,
40};
41
42#endif
43