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Add support for the IOAM inline insertion (only for the host-to-host use case) which is per-route configured with lightweight tunnels. The target is iproute2 and the patch is ready. It will be posted as soon as this patchset is merged. Here is an overview: $ ip -6 ro ad fc00::1/128 encap ioam6 trace type 0x800000 ns 1 size 12 dev eth0 This example configures an IOAM Pre-allocated Trace option attached to the fc00::1/128 prefix. The IOAM namespace (ns) is 1, the size of the pre-allocated trace data block is 12 octets (size) and only the first IOAM data (bit 0: hop_limit + node id) is included in the trace (type) represented as a bitfield. The reason why the in-transit (IPv6-in-IPv6 encapsulation) use case is not implemented is explained on the patchset cover. Signed-off-by: Justin Iurman <justin.iurman@uliege.be> Signed-off-by: David S. Miller <davem@davemloft.net>
21 lines
451 B
C
21 lines
451 B
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 _UAPI_LINUX_IOAM6_IPTUNNEL_H
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#define _UAPI_LINUX_IOAM6_IPTUNNEL_H
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enum {
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IOAM6_IPTUNNEL_UNSPEC,
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IOAM6_IPTUNNEL_TRACE, /* struct ioam6_trace_hdr */
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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 /* _UAPI_LINUX_IOAM6_IPTUNNEL_H */
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