diff options
Diffstat (limited to 'include/uapi/linux/ioam6_iptunnel.h')
| -rw-r--r-- | include/uapi/linux/ioam6_iptunnel.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/include/uapi/linux/ioam6_iptunnel.h b/include/uapi/linux/ioam6_iptunnel.h new file mode 100644 index 000000000..38f6a8fdf --- /dev/null +++ b/include/uapi/linux/ioam6_iptunnel.h @@ -0,0 +1,58 @@ +/* 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 */ |