diff --git a/lib/include/srslte/interfaces/enb_metrics_interface.h b/lib/include/srslte/interfaces/enb_metrics_interface.h
index a8aaba8a3..fc2bf7cd2 100644
--- a/lib/include/srslte/interfaces/enb_metrics_interface.h
+++ b/lib/include/srslte/interfaces/enb_metrics_interface.h
@@ -27,8 +27,18 @@
 
 namespace srsenb {
 
+//:TODO: move this struct to the layer it belongs to.
+struct bearer_container_t {
+  uint32_t id;
+  uint32_t qci;
+};
+using bearer_list_t = std::vector<bearer_container_t>;
+
 struct stack_metrics_t {
   std::vector<mac_metrics_t> mac;
+  // For XICO: Each position in the vector represents a ue. Should have the same number of ues and ue order as the mac vector
+  // above.
+  std::vector<bearer_list_t> bearers;
   rrc_metrics_t              rrc;
   s1ap_metrics_t             s1ap;
 };
diff --git a/srsenb/hdr/stack/mac/mac_metrics.h b/srsenb/hdr/stack/mac/mac_metrics.h
index e97cb1b05..7ec7df665 100644
--- a/srsenb/hdr/stack/mac/mac_metrics.h
+++ b/srsenb/hdr/stack/mac/mac_metrics.h
@@ -20,6 +20,7 @@ namespace srsenb {
 struct mac_metrics_t {
   uint16_t rnti;
   uint32_t nof_tti;
+  uint32_t cc_idx;
   int      tx_pkts;
   int      tx_errors;
   int      tx_brate;