Implement F1 Release using F1AP

openair2/LAYER2/NR_MAC_gNB/mac_rrc_ul_f1ap.c

@@ -62,12 +62,20 @@ static void ue_context_setup_response_f1ap(const f1ap_ue_context_setup_t *req, c
 
 static void ue_context_release_request_f1ap(const f1ap_ue_context_release_req_t* req)
 {
-  AssertFatal(false, "not implemented\n");
+  MessageDef *msg = itti_alloc_new_message(TASK_MAC_GNB, 0, F1AP_UE_CONTEXT_RELEASE_REQ);
+  f1ap_ue_context_release_req_t *f1ap_msg = &F1AP_UE_CONTEXT_RELEASE_REQ(msg);
+  *f1ap_msg = *req;
+  itti_send_msg_to_task(TASK_DU_F1, 0, msg);
 }
 
 static void ue_context_release_complete_f1ap(const f1ap_ue_context_release_complete_t *complete)
 {
-  AssertFatal(false, "not implemented\n");
+  newGtpuDeleteAllTunnels(0, complete->rnti);
+
+  MessageDef *msg = itti_alloc_new_message(TASK_MAC_GNB, 0, F1AP_UE_CONTEXT_RELEASE_COMPLETE);
+  f1ap_ue_context_release_complete_t *f1ap_msg = &F1AP_UE_CONTEXT_RELEASE_COMPLETE(msg);
+  *f1ap_msg = *complete;
+  itti_send_msg_to_task(TASK_DU_F1, 0, msg);
 }
 
 static void initial_ul_rrc_message_transfer_f1ap(module_id_t module_id, const f1ap_initial_ul_rrc_message_t *ul_rrc)

openair2/RRC/NR/mac_rrc_dl_f1ap.c

@@ -41,7 +41,10 @@ static void ue_context_setup_request_f1ap(const f1ap_ue_context_setup_t *req)
 
 static void ue_context_release_command_f1ap(const f1ap_ue_context_release_cmd_t *cmd)
 {
-  AssertFatal(false, "not implemented\n");
+  MessageDef *message_p = itti_alloc_new_message (TASK_RRC_GNB, 0, F1AP_UE_CONTEXT_RELEASE_CMD);
+  f1ap_ue_context_release_cmd_t *msg = &F1AP_UE_CONTEXT_RELEASE_CMD(message_p);
+  *msg = *cmd;
+  itti_send_msg_to_task (TASK_CU_F1, 0, message_p);
 }
 
 static void dl_rrc_message_transfer_f1ap(module_id_t module_id, const f1ap_dl_rrc_message_t *dl_rrc)