diff options
| author | Justin Iurman <justin.iurman@uliege.be> | 2021-07-20 21:42:59 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-07-21 08:14:33 -0700 |
| commit | 3edede08ff37c6a9370510508d5eeb54890baf47 (patch) | |
| tree | 290995c14ae43eae8a0e6ee11604d81f6a7c6972 /include/uapi/linux/ioam6.h | |
| parent | 8c6f6fa6772696be0c047a711858084b38763728 (diff) | |
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.h')
| -rw-r--r-- | include/uapi/linux/ioam6.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/uapi/linux/ioam6.h b/include/uapi/linux/ioam6.h index 23ba6e85582f..ac4de376f0ce 100644 --- a/include/uapi/linux/ioam6.h +++ b/include/uapi/linux/ioam6.h @@ -126,6 +126,7 @@ struct ioam6_trace_hdr { #error "Please fix <asm/byteorder.h>" #endif +#define IOAM6_TRACE_DATA_SIZE_MAX 244 __u8 data[0]; } __attribute__((packed)); |