diff options
Diffstat (limited to 'src/plugins/ioam/export/node.c')
| -rw-r--r-- | src/plugins/ioam/export/node.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/src/plugins/ioam/export/node.c b/src/plugins/ioam/export/node.c index 19f143df..b32d7841 100644 --- a/src/plugins/ioam/export/node.c +++ b/src/plugins/ioam/export/node.c @@ -17,8 +17,10 @@ #include <vnet/pg/pg.h> #include <vppinfra/error.h> #include <vnet/ip/ip.h> +#include <vnet/ip/ip6_hop_by_hop.h> #include <ioam/export-common/ioam_export.h> + typedef struct { u32 next_index; @@ -119,6 +121,20 @@ copy3cachelines (void *dst, const void *src, size_t n) #endif } +static void +ip6_export_fixup_func (vlib_buffer_t * export_buf, vlib_buffer_t * pak_buf) +{ + ip6_header_t *ip6_temp = + (ip6_header_t *) (export_buf->data + export_buf->current_length); + u32 flow_label_temp = + clib_net_to_host_u32(ip6_temp->ip_version_traffic_class_and_flow_label) + & 0xFFF00000; + flow_label_temp |= + IOAM_MASK_DECAP_BIT((vnet_buffer(pak_buf)->l2_classify.opaque_index)); + ip6_temp->ip_version_traffic_class_and_flow_label = + clib_host_to_net_u32(flow_label_temp); +} + static uword ip6_export_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame) @@ -126,7 +142,7 @@ ip6_export_node_fn (vlib_main_t * vm, ioam_export_main_t *em = &ioam_export_main; ioam_export_node_common(em, vm, node, frame, ip6_header_t, payload_length, ip_version_traffic_class_and_flow_label, - EXPORT_NEXT_POP_HBYH); + EXPORT_NEXT_POP_HBYH, ip6_export_fixup_func); return frame->n_vectors; } |