| /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ | |
| /* | |
| * IPv6 IOAM Lightweight Tunnel API | |
| * | |
| * Author: | |
| * Justin Iurman <justin.iurman@uliege.be> | |
| */ | |
| #ifndef _UAPI_LINUX_IOAM6_IPTUNNEL_H | |
| #define _UAPI_LINUX_IOAM6_IPTUNNEL_H | |
| /* Encap modes: | |
| * - inline: direct insertion | |
| * - encap: ip6ip6 encapsulation | |
| * - auto: inline for local packets, encap for in-transit packets | |
| */ | |
| enum { | |
| __IOAM6_IPTUNNEL_MODE_MIN, | |
| IOAM6_IPTUNNEL_MODE_INLINE, | |
| IOAM6_IPTUNNEL_MODE_ENCAP, | |
| IOAM6_IPTUNNEL_MODE_AUTO, | |
| __IOAM6_IPTUNNEL_MODE_MAX, | |
| }; | |
| #define IOAM6_IPTUNNEL_MODE_MIN (__IOAM6_IPTUNNEL_MODE_MIN + 1) | |
| #define IOAM6_IPTUNNEL_MODE_MAX (__IOAM6_IPTUNNEL_MODE_MAX - 1) | |
| enum { | |
| IOAM6_IPTUNNEL_UNSPEC, | |
| /* Encap mode */ | |
| IOAM6_IPTUNNEL_MODE, /* u8 */ | |
| /* Tunnel dst address. | |
| * For encap,auto modes. | |
| */ | |
| IOAM6_IPTUNNEL_DST, /* struct in6_addr */ | |
| /* IOAM Trace Header */ | |
| IOAM6_IPTUNNEL_TRACE, /* struct ioam6_trace_hdr */ | |
| /* Insertion frequency: | |
| * "k over n" packets (0 < k <= n) | |
| * [0.0001% ... 100%] | |
| */ | |
| #define IOAM6_IPTUNNEL_FREQ_MIN 1 | |
| #define IOAM6_IPTUNNEL_FREQ_MAX 1000000 | |
| IOAM6_IPTUNNEL_FREQ_K, /* u32 */ | |
| IOAM6_IPTUNNEL_FREQ_N, /* u32 */ | |
| /* Tunnel src address. | |
| * For encap,auto modes. | |
| * Optional (automatic if not provided). | |
| */ | |
| IOAM6_IPTUNNEL_SRC, /* struct in6_addr */ | |
| __IOAM6_IPTUNNEL_MAX, | |
| }; | |
| #define IOAM6_IPTUNNEL_MAX (__IOAM6_IPTUNNEL_MAX - 1) | |
| #endif /* _UAPI_LINUX_IOAM6_IPTUNNEL_H */ |