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| 1 | /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ |
|---|---|
| 2 | /* |
| 3 | * IPv6 IOAM Lightweight Tunnel API |
| 4 | * |
| 5 | * Author: |
| 6 | * Justin Iurman <justin.iurman@uliege.be> |
| 7 | */ |
| 8 | |
| 9 | #ifndef _UAPI_LINUX_IOAM6_IPTUNNEL_H |
| 10 | #define _UAPI_LINUX_IOAM6_IPTUNNEL_H |
| 11 | |
| 12 | /* Encap modes: |
| 13 | * - inline: direct insertion |
| 14 | * - encap: ip6ip6 encapsulation |
| 15 | * - auto: inline for local packets, encap for in-transit packets |
| 16 | */ |
| 17 | enum { |
| 18 | __IOAM6_IPTUNNEL_MODE_MIN, |
| 19 | |
| 20 | IOAM6_IPTUNNEL_MODE_INLINE, |
| 21 | IOAM6_IPTUNNEL_MODE_ENCAP, |
| 22 | IOAM6_IPTUNNEL_MODE_AUTO, |
| 23 | |
| 24 | __IOAM6_IPTUNNEL_MODE_MAX, |
| 25 | }; |
| 26 | |
| 27 | #define IOAM6_IPTUNNEL_MODE_MIN (__IOAM6_IPTUNNEL_MODE_MIN + 1) |
| 28 | #define IOAM6_IPTUNNEL_MODE_MAX (__IOAM6_IPTUNNEL_MODE_MAX - 1) |
| 29 | |
| 30 | enum { |
| 31 | IOAM6_IPTUNNEL_UNSPEC, |
| 32 | |
| 33 | /* Encap mode */ |
| 34 | IOAM6_IPTUNNEL_MODE, /* u8 */ |
| 35 | |
| 36 | /* Tunnel dst address. |
| 37 | * For encap,auto modes. |
| 38 | */ |
| 39 | IOAM6_IPTUNNEL_DST, /* struct in6_addr */ |
| 40 | |
| 41 | /* IOAM Trace Header */ |
| 42 | IOAM6_IPTUNNEL_TRACE, /* struct ioam6_trace_hdr */ |
| 43 | |
| 44 | /* Insertion frequency: |
| 45 | * "k over n" packets (0 < k <= n) |
| 46 | * [0.0001% ... 100%] |
| 47 | */ |
| 48 | #define IOAM6_IPTUNNEL_FREQ_MIN 1 |
| 49 | #define IOAM6_IPTUNNEL_FREQ_MAX 1000000 |
| 50 | IOAM6_IPTUNNEL_FREQ_K, /* u32 */ |
| 51 | IOAM6_IPTUNNEL_FREQ_N, /* u32 */ |
| 52 | |
| 53 | __IOAM6_IPTUNNEL_MAX, |
| 54 | }; |
| 55 | |
| 56 | #define IOAM6_IPTUNNEL_MAX (__IOAM6_IPTUNNEL_MAX - 1) |
| 57 | |
| 58 | #endif /* _UAPI_LINUX_IOAM6_IPTUNNEL_H */ |
| 59 |
Warning: This file is not a C or C++ file. It does not have highlighting.