diff options
| author |   Vengada Govindan <venggovi@cisco.com> | 2016-12-13 21:59:54 -0800 |
|---|---|---|
| committer |   Damjan Marion <dmarion.lists@gmail.com> | 2016-12-21 17:52:33 +0000 |
| commit | 7e4edc8d1ee9ae26747cf6ec23b76b78f0f550da (patch) | |
| tree | 4ba527cdb747846bc62b97dcb340bab04b776968 /plugins/ioam-plugin/ioam/lib-vxlan-gpe/vxlan_gpe_ioam_trace.c | |
| parent | fff67c89c5135263989c48b9ed923eb785efa67e (diff) | |
VPP-470: Introduce VxLAN-GPE as transport for iOAM.
This is the second of the two commits. This commit introduces VxLAN-GPE
transit functionality.
Change-Id: I12f13e00f456df0047f2b7a0737addfeb683c420
Signed-off-by: Vengada Govindan <venggovi@cisco.com>
Diffstat (limited to 'plugins/ioam-plugin/ioam/lib-vxlan-gpe/vxlan_gpe_ioam_trace.c')
| -rw-r--r-- | plugins/ioam-plugin/ioam/lib-vxlan-gpe/vxlan_gpe_ioam_trace.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/plugins/ioam-plugin/ioam/lib-vxlan-gpe/vxlan_gpe_ioam_trace.c b/plugins/ioam-plugin/ioam/lib-vxlan-gpe/vxlan_gpe_ioam_trace.c index a10e85a7..e37b1642 100644 --- a/plugins/ioam-plugin/ioam/lib-vxlan-gpe/vxlan_gpe_ioam_trace.c +++ b/plugins/ioam-plugin/ioam/lib-vxlan-gpe/vxlan_gpe_ioam_trace.c @@ -288,7 +288,11 @@ vxlan_gpe_ioam_trace_data_list_handler (vlib_buffer_t * b, if (trace->ioam_trace_type & BIT_TTL_NODEID) { ip4_header_t *ip0 = vlib_buffer_get_current (b); - *elt = clib_host_to_net_u32 (((ip0->ttl - 1) << 24) | + /* The transit case is the only case where the TTL decrement happens + * before iOAM processing. For now, use the use_adj flag as an overload. + * We can probably use a separate flag instead of overloading the use_adj flag. + */ + *elt = clib_host_to_net_u32 (((ip0->ttl - 1 + use_adj) << 24) | profile->node_id); elt++; } |