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-rw-r--r--src/plugins/ioam/encap/ip6_ioam_trace.c23
1 files changed, 4 insertions, 19 deletions
diff --git a/src/plugins/ioam/encap/ip6_ioam_trace.c b/src/plugins/ioam/encap/ip6_ioam_trace.c
index e31825614c2..2cd1044f317 100644
--- a/src/plugins/ioam/encap/ip6_ioam_trace.c
+++ b/src/plugins/ioam/encap/ip6_ioam_trace.c
@@ -209,7 +209,7 @@ always_inline void
ip6_hbh_ioam_loopback_handler (vlib_buffer_t * b, ip6_header_t * ip,
ioam_trace_option_t * trace)
{
- u32 buffers;
+ u32 buf_index;
ip6_hop_by_hop_ioam_main_t *hm = &ip6_hop_by_hop_ioam_main;
vlib_buffer_t *b0;
vlib_frame_t *nf = 0;
@@ -218,7 +218,6 @@ ip6_hbh_ioam_loopback_handler (vlib_buffer_t * b, ip6_header_t * ip,
ip6_header_t *ip6;
ip6_hop_by_hop_header_t *hbh;
ioam_trace_option_t *opt;
- u16 ip6_len;
udp_ping_t *udp;
next_node = vlib_get_node_by_name (hm->vlib_main, (u8 *) "ip6-lookup");
@@ -226,36 +225,22 @@ ip6_hbh_ioam_loopback_handler (vlib_buffer_t * b, ip6_header_t * ip,
nf->n_vectors = 0;
to_next = vlib_frame_vector_args (nf);
- if (vlib_buffer_alloc (hm->vlib_main, &buffers, 1) != 1)
- return;
-
- b0 = vlib_get_buffer (hm->vlib_main, buffers);
- ip6_len = clib_net_to_host_u16 (ip->payload_length);
- clib_memcpy (b0->data, ip, (ip6_len + sizeof (ip6_header_t)));
- b0->current_data = 0;
- b0->current_length = ip6_len + sizeof (ip6_header_t);
- b0->flags |= VLIB_BUFFER_TOTAL_LENGTH_VALID;
+ b0 = vlib_buffer_copy (hm->vlib_main, b);
+ buf_index = vlib_get_buffer_index (hm->vlib_main, b0);
vnet_buffer (b0)->sw_if_index[VLIB_RX] = 0;
vnet_buffer (b0)->sw_if_index[VLIB_TX] = ~0;
- /* Change destination address */
ip6 = vlib_buffer_get_current (b0);
- //ip6->src_address = ip->dst_address;
- //ip6->dst_address = ip->src_address;
-
hbh = (ip6_hop_by_hop_header_t *) (ip6 + 1);
opt = (ioam_trace_option_t *)
ip6_hbh_get_option (hbh, HBH_OPTION_TYPE_IOAM_TRACE_DATA_LIST);
udp = (udp_ping_t *) ((u8 *) hbh + ((hbh->length + 1) << 3));
udp_ping_create_reply_from_probe_ip6 (ip6, hbh, udp);
- //ip6_hbh_ioam_trace_reset_bit (opt, BIT_LOOPBACK);
ip6_hbh_ioam_trace_set_bit (opt, BIT_LOOPBACK_REPLY);
- /* No need to trace loopback packet */
- //opt->trace_hdr.data_list_elts_left = 0;
- *to_next = buffers;
+ *to_next = buf_index;
nf->n_vectors++;
to_next++;