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| author | Justin Iurman <justin.iurman@uliege.be> | 2021-07-20 22:42:59 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-07-21 18:14:33 +0300 |
| commit | 3edede08ff37c6a9370510508d5eeb54890baf47 (patch) | |
| tree | 290995c14ae43eae8a0e6ee11604d81f6a7c6972 /include/uapi/linux/ioam6_iptunnel.h | |
| parent | 8c6f6fa6772696be0c047a711858084b38763728 (diff) | |
| download | linux-3edede08ff37c6a9370510508d5eeb54890baf47.tar.xz | |
ipv6: ioam: Support for IOAM injection with lwtunnels
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>
Diffstat (limited to 'include/uapi/linux/ioam6_iptunnel.h')
| -rw-r--r-- | include/uapi/linux/ioam6_iptunnel.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/include/uapi/linux/ioam6_iptunnel.h b/include/uapi/linux/ioam6_iptunnel.h new file mode 100644 index 000000000000..bae14636a8c8 --- /dev/null +++ b/include/uapi/linux/ioam6_iptunnel.h @@ -0,0 +1,20 @@ +/* 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 + +enum { + IOAM6_IPTUNNEL_UNSPEC, + IOAM6_IPTUNNEL_TRACE, /* struct ioam6_trace_hdr */ + __IOAM6_IPTUNNEL_MAX, +}; + +#define IOAM6_IPTUNNEL_MAX (__IOAM6_IPTUNNEL_MAX - 1) + +#endif /* _UAPI_LINUX_IOAM6_IPTUNNEL_H */ |