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
20 enum {
21 SEG6_IPTUNNEL_UNSPEC,
22 SEG6_IPTUNNEL_SRH,
23 __SEG6_IPTUNNEL_MAX,
24 };
25 #define SEG6_IPTUNNEL_MAX (__SEG6_IPTUNNEL_MAX - 1)
26
27 struct 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
34 enum {
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
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