Add telnet module function to trigger F1 HO

common/utils/telnetsrv/telnetsrv_ci.c

@@ -71,30 +71,41 @@ int get_single_rnti(char *buf, int debug, telnet_printfunc_t prnt)
   return 0;
 }
 
-int get_reestab_count(char *buf, int debug, telnet_printfunc_t prnt)
+rrc_gNB_ue_context_t *get_single_rrc_ue(void)
 {
-  if (!RC.nrrrc)
-    ERROR_MSG_RET("no RRC present, cannot list counts\n");
   rrc_gNB_ue_context_t *ue = NULL;
-  int rnti = -1;
-  if (!buf) {
   rrc_gNB_ue_context_t *l = NULL;
   int n = 0;
-    RB_FOREACH(l, rrc_nr_ue_tree_s, &RC.nrrrc[0]->rrc_ue_head) {
-      if (ue == NULL) ue = l;
+  RB_FOREACH (l, rrc_nr_ue_tree_s, &RC.nrrrc[0]->rrc_ue_head) {
+    if (ue == NULL)
+      ue = l;
     n++;
   }
+  if (!ue) {
+    printf("could not find any UE in RRC\n");
+  }
+  if (n > 1) {
+    printf("more than one UE in RRC present\n");
+    ue = NULL;
+  }
+
+  return ue;
+}
+
+int get_reestab_count(char *buf, int debug, telnet_printfunc_t prnt)
+{
+  if (!RC.nrrrc)
+    ERROR_MSG_RET("no RRC present, cannot list counts\n");
+  rrc_gNB_ue_context_t *ue = NULL;
+  if (!buf) {
+    ue = get_single_rrc_ue();
     if (!ue)
-      ERROR_MSG_RET("could not find any UE in RRC\n");
-    if (n > 1)
-      ERROR_MSG_RET("more than one UE in RRC present\n");
+      ERROR_MSG_RET("no single UE in RRC present\n");
   } else {
-    rnti = strtol(buf, NULL, 16);
-    if (rnti < 1 || rnti >= 0xfffe)
-      ERROR_MSG_RET("RNTI needs to be [1,0xfffe]\n");
-    ue = rrc_gNB_get_ue_context_by_rnti_any_du(RC.nrrrc[0], rnti);
+    ue_id_t ue_id = strtol(buf, NULL, 10);
+    ue = rrc_gNB_get_ue_context(RC.nrrrc[0], ue_id);
     if (!ue)
-      ERROR_MSG_RET("could not find UE with RNTI %04x in RRC\n");
+      ERROR_MSG_RET("could not find UE with ue_id %d in RRC\n");
   }
 
   prnt("UE RNTI %04x reestab %d reconfig %d\n",
@@ -125,10 +136,42 @@ int trigger_reestab(char *buf, int debug, telnet_printfunc_t prnt)
   return 0;
 }
 
+extern void nr_HO_F1_trigger_telnet(gNB_RRC_INST *rrc, uint32_t rrc_ue_id);
+/**
+ * @brief Trigger F1 handover for UE
+ * @param buf: RRC UE ID or NULL for the first UE in list
+ * @param debug: Debug flag
+ * @param prnt: Print function
+ * @return 0 on success, -1 on failure
+ */
+int rrc_gNB_trigger_f1_ho(char *buf, int debug, telnet_printfunc_t prnt)
+{
+  if (!RC.nrrrc)
+    ERROR_MSG_RET("no RRC present, cannot list counts\n");
+  rrc_gNB_ue_context_t *ue = NULL;
+  if (!buf) {
+    ue = get_single_rrc_ue();
+    if (!ue)
+      ERROR_MSG_RET("no single UE in RRC present\n");
+  } else {
+    ue_id_t ue_id = strtol(buf, NULL, 10);
+    ue = rrc_gNB_get_ue_context(RC.nrrrc[0], ue_id);
+    if (!ue)
+      ERROR_MSG_RET("could not find UE with ue_id %d in RRC\n", ue_id);
+  }
+
+  gNB_RRC_UE_t *UE = &ue->ue_context;
+  nr_HO_F1_trigger_telnet(RC.nrrrc[0], UE->rrc_ue_id);
+  prnt("RRC F1 handover triggered for UE %u\n", UE->rrc_ue_id);
+
+  return 0;
+}
+
 static telnetshell_cmddef_t cicmds[] = {
     {"get_single_rnti", "", get_single_rnti},
     {"force_reestab", "[rnti(hex,opt)]", trigger_reestab},
     {"get_reestab_count", "[rnti(hex,opt)]", get_reestab_count},
+    {"trigger_f1_ho", "[rrc_ue_id(int,opt)]", rrc_gNB_trigger_f1_ho},
     {"", "", NULL},
 };