| /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ |
| /* |
| * SR-IPv6 implementation |
| * |
| * Author: |
| * David Lebrun <david.lebrun@uclouvain.be> |
| * |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License |
| * as published by the Free Software Foundation; either version |
| * 2 of the License, or (at your option) any later version. |
| */ |
| |
| #ifndef _LINUX_SEG6_IPTUNNEL_H |
| #define _LINUX_SEG6_IPTUNNEL_H |
| |
| #include <linux/seg6.h> /* For struct ipv6_sr_hdr. */ |
| |
| enum { |
| SEG6_IPTUNNEL_UNSPEC, |
| SEG6_IPTUNNEL_SRH, |
| __SEG6_IPTUNNEL_MAX, |
| }; |
| #define SEG6_IPTUNNEL_MAX (__SEG6_IPTUNNEL_MAX - 1) |
| |
| struct seg6_iptunnel_encap { |
| int mode; |
| struct ipv6_sr_hdr srh[0]; |
| }; |
| |
| #define SEG6_IPTUN_ENCAP_SIZE(x) ((sizeof(*x)) + (((x)->srh->hdrlen + 1) << 3)) |
| |
| enum { |
| SEG6_IPTUN_MODE_INLINE, |
| SEG6_IPTUN_MODE_ENCAP, |
| SEG6_IPTUN_MODE_L2ENCAP, |
| }; |
| |
| |
| #endif |