146 lines
7.0 KiB
C
146 lines
7.0 KiB
C
/*
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* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The OpenAirInterface Software Alliance licenses this file to You under
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* the OAI Public License, Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.openairinterface.org/?page_id=698
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*-------------------------------------------------------------------------------
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* For more information about the OpenAirInterface (OAI) Software Alliance:
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* conmnc_digit_lengtht@openairinterface.org
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*/
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include "nr_mac_gNB.h"
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#include "intertask_interface.h"
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#include "openair3/ocp-gtpu/gtp_itf.h"
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#include "mac_rrc_ul.h"
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static void ue_context_setup_response_f1ap(const f1ap_ue_context_setup_t *req, const f1ap_ue_context_setup_t *resp)
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{
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DevAssert(req->drbs_to_be_setup_length == resp->drbs_to_be_setup_length);
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AssertFatal(req->drbs_to_be_setup_length == 0, "not implmented\n");
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DevAssert(req->srbs_to_be_setup_length == resp->srbs_to_be_setup_length);
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MessageDef *msg = itti_alloc_new_message (TASK_MAC_GNB, 0, F1AP_UE_CONTEXT_SETUP_RESP);
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f1ap_ue_context_setup_t *f1ap_msg = &F1AP_UE_CONTEXT_SETUP_RESP(msg);
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/* copy all fields, but reallocate rrc_containers! */
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*f1ap_msg = *resp;
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if (resp->srbs_to_be_setup_length > 0) {
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DevAssert(resp->srbs_to_be_setup != NULL);
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f1ap_msg->srbs_to_be_setup_length = resp->srbs_to_be_setup_length;
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f1ap_msg->srbs_to_be_setup = calloc(f1ap_msg->srbs_to_be_setup_length, sizeof(*f1ap_msg->srbs_to_be_setup));
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for (int i = 0; i < f1ap_msg->srbs_to_be_setup_length; ++i)
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f1ap_msg->srbs_to_be_setup[i] = resp->srbs_to_be_setup[i];
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}
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f1ap_msg->du_to_cu_rrc_information = malloc(sizeof(*resp->du_to_cu_rrc_information));
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AssertFatal(f1ap_msg->du_to_cu_rrc_information != NULL, "out of memory\n");
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f1ap_msg->du_to_cu_rrc_information_length = resp->du_to_cu_rrc_information_length;
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du_to_cu_rrc_information_t *du2cu = f1ap_msg->du_to_cu_rrc_information;
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du2cu->cellGroupConfig_length = resp->du_to_cu_rrc_information->cellGroupConfig_length;
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du2cu->cellGroupConfig = calloc(du2cu->cellGroupConfig_length, sizeof(*du2cu->cellGroupConfig));
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AssertFatal(du2cu->cellGroupConfig != NULL, "out of memory\n");
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memcpy(du2cu->cellGroupConfig, resp->du_to_cu_rrc_information->cellGroupConfig, du2cu->cellGroupConfig_length);
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itti_send_msg_to_task(TASK_DU_F1, 0, msg);
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}
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static void ue_context_modification_response_f1ap(const f1ap_ue_context_modif_req_t *req, const f1ap_ue_context_modif_resp_t *resp)
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{
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MessageDef *msg = itti_alloc_new_message(TASK_MAC_GNB, 0, F1AP_UE_CONTEXT_MODIFICATION_RESP);
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f1ap_ue_context_modif_resp_t *f1ap_msg = &F1AP_UE_CONTEXT_MODIFICATION_RESP(msg);
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/* copy all fields, but reallocate rrc_containers! */
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*f1ap_msg = *resp;
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if (resp->srbs_to_be_setup_length > 0) {
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DevAssert(resp->srbs_to_be_setup != NULL);
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f1ap_msg->srbs_to_be_setup_length = resp->srbs_to_be_setup_length;
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f1ap_msg->srbs_to_be_setup = calloc(f1ap_msg->srbs_to_be_setup_length, sizeof(*f1ap_msg->srbs_to_be_setup));
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for (int i = 0; i < f1ap_msg->srbs_to_be_setup_length; ++i)
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f1ap_msg->srbs_to_be_setup[i] = resp->srbs_to_be_setup[i];
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}
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if (resp->drbs_to_be_setup_length > 0) {
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DevAssert(resp->drbs_to_be_setup != NULL);
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f1ap_msg->drbs_to_be_setup_length = resp->drbs_to_be_setup_length;
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f1ap_msg->drbs_to_be_setup = calloc(f1ap_msg->drbs_to_be_setup_length, sizeof(*f1ap_msg->drbs_to_be_setup));
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for (int i = 0; i < f1ap_msg->drbs_to_be_setup_length; ++i)
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f1ap_msg->drbs_to_be_setup[i] = resp->drbs_to_be_setup[i];
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}
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if (resp->du_to_cu_rrc_information != NULL) {
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f1ap_msg->du_to_cu_rrc_information = calloc(1, sizeof(*resp->du_to_cu_rrc_information));
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AssertFatal(f1ap_msg->du_to_cu_rrc_information != NULL, "out of memory\n");
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f1ap_msg->du_to_cu_rrc_information_length = resp->du_to_cu_rrc_information_length;
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du_to_cu_rrc_information_t *du2cu = f1ap_msg->du_to_cu_rrc_information;
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du2cu->cellGroupConfig_length = resp->du_to_cu_rrc_information->cellGroupConfig_length;
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du2cu->cellGroupConfig = calloc(du2cu->cellGroupConfig_length, sizeof(*du2cu->cellGroupConfig));
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AssertFatal(du2cu->cellGroupConfig != NULL, "out of memory\n");
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memcpy(du2cu->cellGroupConfig, resp->du_to_cu_rrc_information->cellGroupConfig, du2cu->cellGroupConfig_length);
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}
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itti_send_msg_to_task(TASK_DU_F1, 0, msg);
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}
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static void ue_context_release_request_f1ap(const f1ap_ue_context_release_req_t* req)
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{
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MessageDef *msg = itti_alloc_new_message(TASK_MAC_GNB, 0, F1AP_UE_CONTEXT_RELEASE_REQ);
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f1ap_ue_context_release_req_t *f1ap_msg = &F1AP_UE_CONTEXT_RELEASE_REQ(msg);
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*f1ap_msg = *req;
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itti_send_msg_to_task(TASK_DU_F1, 0, msg);
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}
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static void ue_context_release_complete_f1ap(const f1ap_ue_context_release_complete_t *complete)
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{
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newGtpuDeleteAllTunnels(0, complete->gNB_DU_ue_id);
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MessageDef *msg = itti_alloc_new_message(TASK_MAC_GNB, 0, F1AP_UE_CONTEXT_RELEASE_COMPLETE);
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f1ap_ue_context_release_complete_t *f1ap_msg = &F1AP_UE_CONTEXT_RELEASE_COMPLETE(msg);
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*f1ap_msg = *complete;
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itti_send_msg_to_task(TASK_DU_F1, 0, msg);
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}
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static void initial_ul_rrc_message_transfer_f1ap(module_id_t module_id, const f1ap_initial_ul_rrc_message_t *ul_rrc)
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{
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MessageDef *msg = itti_alloc_new_message(TASK_MAC_GNB, 0, F1AP_INITIAL_UL_RRC_MESSAGE);
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/* copy all fields, but reallocate rrc_containers! */
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f1ap_initial_ul_rrc_message_t *f1ap_msg = &F1AP_INITIAL_UL_RRC_MESSAGE(msg);
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*f1ap_msg = *ul_rrc;
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f1ap_msg->rrc_container = malloc(ul_rrc->rrc_container_length);
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DevAssert(f1ap_msg->rrc_container);
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memcpy(f1ap_msg->rrc_container, ul_rrc->rrc_container, ul_rrc->rrc_container_length);
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f1ap_msg->rrc_container_length = ul_rrc->rrc_container_length;
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f1ap_msg->du2cu_rrc_container = malloc(ul_rrc->du2cu_rrc_container_length);
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DevAssert(f1ap_msg->du2cu_rrc_container);
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memcpy(f1ap_msg->du2cu_rrc_container, ul_rrc->du2cu_rrc_container, ul_rrc->du2cu_rrc_container_length);
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f1ap_msg->du2cu_rrc_container_length = ul_rrc->du2cu_rrc_container_length;
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itti_send_msg_to_task(TASK_DU_F1, module_id, msg);
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}
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void mac_rrc_ul_f1ap_init(struct nr_mac_rrc_ul_if_s *mac_rrc)
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{
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mac_rrc->ue_context_setup_response = ue_context_setup_response_f1ap;
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mac_rrc->ue_context_modification_response = ue_context_modification_response_f1ap;
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mac_rrc->ue_context_release_request = ue_context_release_request_f1ap;
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mac_rrc->ue_context_release_complete = ue_context_release_complete_f1ap;
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mac_rrc->initial_ul_rrc_message_transfer = initial_ul_rrc_message_transfer_f1ap;
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}
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