1*4dc78e53SAndroid Build Coastguard Worker /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ 2*4dc78e53SAndroid Build Coastguard Worker /* 3*4dc78e53SAndroid Build Coastguard Worker * SR-IPv6 implementation 4*4dc78e53SAndroid Build Coastguard Worker * 5*4dc78e53SAndroid Build Coastguard Worker * Author: 6*4dc78e53SAndroid Build Coastguard Worker * David Lebrun <[email protected]> 7*4dc78e53SAndroid Build Coastguard Worker * 8*4dc78e53SAndroid Build Coastguard Worker * 9*4dc78e53SAndroid Build Coastguard Worker * This program is free software; you can redistribute it and/or 10*4dc78e53SAndroid Build Coastguard Worker * modify it under the terms of the GNU General Public License 11*4dc78e53SAndroid Build Coastguard Worker * as published by the Free Software Foundation; either version 12*4dc78e53SAndroid Build Coastguard Worker * 2 of the License, or (at your option) any later version. 13*4dc78e53SAndroid Build Coastguard Worker */ 14*4dc78e53SAndroid Build Coastguard Worker 15*4dc78e53SAndroid Build Coastguard Worker #ifndef _LINUX_SEG6_IPTUNNEL_H 16*4dc78e53SAndroid Build Coastguard Worker #define _LINUX_SEG6_IPTUNNEL_H 17*4dc78e53SAndroid Build Coastguard Worker 18*4dc78e53SAndroid Build Coastguard Worker #include <linux/seg6.h> /* For struct ipv6_sr_hdr. */ 19*4dc78e53SAndroid Build Coastguard Worker 20*4dc78e53SAndroid Build Coastguard Worker enum { 21*4dc78e53SAndroid Build Coastguard Worker SEG6_IPTUNNEL_UNSPEC, 22*4dc78e53SAndroid Build Coastguard Worker SEG6_IPTUNNEL_SRH, 23*4dc78e53SAndroid Build Coastguard Worker __SEG6_IPTUNNEL_MAX, 24*4dc78e53SAndroid Build Coastguard Worker }; 25*4dc78e53SAndroid Build Coastguard Worker #define SEG6_IPTUNNEL_MAX (__SEG6_IPTUNNEL_MAX - 1) 26*4dc78e53SAndroid Build Coastguard Worker 27*4dc78e53SAndroid Build Coastguard Worker struct seg6_iptunnel_encap { 28*4dc78e53SAndroid Build Coastguard Worker int mode; 29*4dc78e53SAndroid Build Coastguard Worker struct ipv6_sr_hdr srh[]; 30*4dc78e53SAndroid Build Coastguard Worker }; 31*4dc78e53SAndroid Build Coastguard Worker 32*4dc78e53SAndroid Build Coastguard Worker #define SEG6_IPTUN_ENCAP_SIZE(x) ((sizeof(*x)) + (((x)->srh->hdrlen + 1) << 3)) 33*4dc78e53SAndroid Build Coastguard Worker 34*4dc78e53SAndroid Build Coastguard Worker enum { 35*4dc78e53SAndroid Build Coastguard Worker SEG6_IPTUN_MODE_INLINE, 36*4dc78e53SAndroid Build Coastguard Worker SEG6_IPTUN_MODE_ENCAP, 37*4dc78e53SAndroid Build Coastguard Worker SEG6_IPTUN_MODE_L2ENCAP, 38*4dc78e53SAndroid Build Coastguard Worker SEG6_IPTUN_MODE_ENCAP_RED, 39*4dc78e53SAndroid Build Coastguard Worker SEG6_IPTUN_MODE_L2ENCAP_RED, 40*4dc78e53SAndroid Build Coastguard Worker }; 41*4dc78e53SAndroid Build Coastguard Worker 42*4dc78e53SAndroid Build Coastguard Worker #endif 43