1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * SR-IPv6 implementation 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Author: 6*4882a593Smuzhiyun * David Lebrun <david.lebrun@uclouvain.be> 7*4882a593Smuzhiyun * 8*4882a593Smuzhiyun * 9*4882a593Smuzhiyun * This program is free software; you can redistribute it and/or 10*4882a593Smuzhiyun * modify it under the terms of the GNU General Public License 11*4882a593Smuzhiyun * as published by the Free Software Foundation; either version 12*4882a593Smuzhiyun * 2 of the License, or (at your option) any later version. 13*4882a593Smuzhiyun */ 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun #ifndef _UAPI_LINUX_SEG6_IPTUNNEL_H 16*4882a593Smuzhiyun #define _UAPI_LINUX_SEG6_IPTUNNEL_H 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun #include <linux/seg6.h> /* For struct ipv6_sr_hdr. */ 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun enum { 21*4882a593Smuzhiyun SEG6_IPTUNNEL_UNSPEC, 22*4882a593Smuzhiyun SEG6_IPTUNNEL_SRH, 23*4882a593Smuzhiyun __SEG6_IPTUNNEL_MAX, 24*4882a593Smuzhiyun }; 25*4882a593Smuzhiyun #define SEG6_IPTUNNEL_MAX (__SEG6_IPTUNNEL_MAX - 1) 26*4882a593Smuzhiyun 27*4882a593Smuzhiyun struct seg6_iptunnel_encap { 28*4882a593Smuzhiyun int mode; 29*4882a593Smuzhiyun struct ipv6_sr_hdr srh[0]; 30*4882a593Smuzhiyun }; 31*4882a593Smuzhiyun 32*4882a593Smuzhiyun #define SEG6_IPTUN_ENCAP_SIZE(x) ((sizeof(*x)) + (((x)->srh->hdrlen + 1) << 3)) 33*4882a593Smuzhiyun 34*4882a593Smuzhiyun enum { 35*4882a593Smuzhiyun SEG6_IPTUN_MODE_INLINE, 36*4882a593Smuzhiyun SEG6_IPTUN_MODE_ENCAP, 37*4882a593Smuzhiyun SEG6_IPTUN_MODE_L2ENCAP, 38*4882a593Smuzhiyun }; 39*4882a593Smuzhiyun 40*4882a593Smuzhiyun #endif 41