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1/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */2/*3 * SR-IPv6 implementation4 *5 * Author:6 * David Lebrun <david.lebrun@uclouvain.be>7 *8 *9 * This program is free software; you can redistribute it and/or10 * modify it under the terms of the GNU General Public License11 * as published by the Free Software Foundation; either version12 * 2 of the License, or (at your option) any later version.13 */14 15#ifndef _UAPI_LINUX_SEG6_IPTUNNEL_H16#define _UAPI_LINUX_SEG6_IPTUNNEL_H17 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#endif43