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/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
/*
* IPv6 IOAM Lightweight Tunnel API
*
* Author:
* Justin Iurman <justin.iurman@uliege.be>
*/
#ifndef _LINUX_IOAM6_IPTUNNEL_H
#define _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 /* _LINUX_IOAM6_IPTUNNEL_H */
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