59 lines
1.3 KiB
C
59 lines
1.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
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/*
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* IPv6 IOAM Lightweight Tunnel API
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*
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* Author:
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* Justin Iurman <justin.iurman@uliege.be>
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*/
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#ifndef _LINUX_IOAM6_IPTUNNEL_H
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#define _LINUX_IOAM6_IPTUNNEL_H
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/* Encap modes:
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* - inline: direct insertion
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* - encap: ip6ip6 encapsulation
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* - auto: __inline__ for local packets, encap for in-transit packets
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*/
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enum {
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__IOAM6_IPTUNNEL_MODE_MIN,
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IOAM6_IPTUNNEL_MODE_INLINE,
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IOAM6_IPTUNNEL_MODE_ENCAP,
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IOAM6_IPTUNNEL_MODE_AUTO,
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__IOAM6_IPTUNNEL_MODE_MAX,
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};
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#define IOAM6_IPTUNNEL_MODE_MIN (__IOAM6_IPTUNNEL_MODE_MIN + 1)
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#define IOAM6_IPTUNNEL_MODE_MAX (__IOAM6_IPTUNNEL_MODE_MAX - 1)
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enum {
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IOAM6_IPTUNNEL_UNSPEC,
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/* Encap mode */
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IOAM6_IPTUNNEL_MODE, /* u8 */
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/* Tunnel dst address.
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* For encap,auto modes.
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*/
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IOAM6_IPTUNNEL_DST, /* struct in6_addr */
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/* IOAM Trace Header */
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IOAM6_IPTUNNEL_TRACE, /* struct ioam6_trace_hdr */
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/* Insertion frequency:
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* "k over n" packets (0 < k <= n)
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* [0.0001% ... 100%]
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*/
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#define IOAM6_IPTUNNEL_FREQ_MIN 1
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#define IOAM6_IPTUNNEL_FREQ_MAX 1000000
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IOAM6_IPTUNNEL_FREQ_K, /* u32 */
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IOAM6_IPTUNNEL_FREQ_N, /* u32 */
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__IOAM6_IPTUNNEL_MAX,
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};
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#define IOAM6_IPTUNNEL_MAX (__IOAM6_IPTUNNEL_MAX - 1)
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#endif /* _LINUX_IOAM6_IPTUNNEL_H */
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