Fix output feature processing
@@ -132,6 +132,47 @@ adj_get_nd_node (fib_protocol_t proto)
return (ip4_arp_node.index);
}
+/**
+ * @brief Check and set feature flags if o/p interface has any o/p features.
+ */
+static void
+adj_nbr_evaluate_feature (adj_index_t ai)
+{
+ ip_adjacency_t *adj;
+ vnet_feature_main_t *fm = &feature_main;
+ i16 feature_count;
+ u8 arc_index;
+ u32 sw_if_index;
+
+ adj = adj_get(ai);
+
+ switch (adj->ia_link)
+ {
+ case VNET_LINK_IP4:
+ arc_index = ip4_main.lookup_main.output_feature_arc_index;
+ break;
+ case VNET_LINK_IP6:
+ arc_index = ip6_main.lookup_main.output_feature_arc_index;
+ break;
+ case VNET_LINK_MPLS:
+ arc_index = mpls_main.output_feature_arc_index;
+ break;
+ default:
+ return;
+ }
+
+ sw_if_index = adj->rewrite_header.sw_if_index;
+ vec_validate (fm->feature_count_by_sw_if_index[arc_index], sw_if_index);
+ feature_count = fm->feature_count_by_sw_if_index[arc_index][sw_if_index];
+
+ if (feature_count > 0)
+ adj->rewrite_header.flags |= VNET_REWRITE_HAS_FEATURES;
+ else
+ adj->rewrite_header.flags &= ~VNET_REWRITE_HAS_FEATURES;
+
+ return;
+}
+
static ip_adjacency_t*
adj_nbr_alloc (fib_protocol_t nh_proto,
vnet_link_t link_type,
@@ -158,6 +199,7 @@ adj_nbr_alloc (fib_protocol_t nh_proto,
memset(&adj->sub_type.midchain.next_dpo, 0,
sizeof(adj->sub_type.midchain.next_dpo));
+ adj_nbr_evaluate_feature (adj_get_index(adj));
return (adj);
}
