commit 444e800f42565ffb123209f8694751607dc34596
author Neale Ranns <nranns@cisco.com> Thu Oct 08 10:06:32 2020 +0000
committer Damjan Marion <dmarion@me.com> Wed Oct 14 17:34:52 2020 +0000
tree 0d207eaca8e6490a68dd6d48676639c9239f8c67
parent 238d3844b210ff09d9092dd3f5d78cde8b7de1aa

mpls: no per-MPLS-tunnel tx node

Type: improvement

do not add a per-MPLS tunnel tx node. per-tunnl nodes limit the number
of tunnels that can be created to the number o fnodes that can be
created (64k).
improve the tx node.

Signed-off-by: Neale Ranns <nranns@cisco.com>
Change-Id: I6016f05e809c6c64a0b098a101b28c9dd47824b3

src/vnet/mpls/mpls_lookup.c

diff --git a/src/vnet/mpls/mpls_lookup.c b/src/vnet/mpls/mpls_lookup.c
index c080440..07c5cc4 100644
--- a/src/vnet/mpls/mpls_lookup.c
+++ b/src/vnet/mpls/mpls_lookup.c
@@ -615,6 +615,14 @@
               tr->lb_index = lbi0;
               tr->hash = hc0;
           }
+          if (PREDICT_FALSE(p1->flags & VLIB_BUFFER_IS_TRACED))
+          {
+              mpls_load_balance_trace_t *tr = vlib_add_trace (vm, node,
+                                                              p1, sizeof (*tr));
+              tr->next_index = next1;
+              tr->lb_index = lbi1;
+              tr->hash = hc1;
+          }
 
           vlib_validate_buffer_enqueue_x2 (vm, node, next,
                                            to_next, n_left_to_next,
@@ -664,6 +672,15 @@
           next0 = dpo0->dpoi_next_node;
           vnet_buffer (p0)->ip.adj_index[VLIB_TX] = dpo0->dpoi_index;
 
+          if (PREDICT_FALSE(p0->flags & VLIB_BUFFER_IS_TRACED))
+          {
+              mpls_load_balance_trace_t *tr = vlib_add_trace (vm, node,
+                                                              p0, sizeof (*tr));
+              tr->next_index = next0;
+              tr->lb_index = lbi0;
+              tr->hash = hc0;
+          }
+
           vlib_increment_combined_counter
               (cm, thread_index, lbi0, 1,
                vlib_buffer_length_in_chain (vm, p0));