| /* 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 */ |
| |
| __IOAM6_IPTUNNEL_MAX, |
| }; |
| |
| #define IOAM6_IPTUNNEL_MAX (__IOAM6_IPTUNNEL_MAX - 1) |
| |
| #endif /* _UAPI_LINUX_IOAM6_IPTUNNEL_H */ |
