111 lines
4.1 KiB
C
111 lines
4.1 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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* contact@openairinterface.org
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*/
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/* \file l2_interface_ue.c
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* \brief layer 2 interface, used to support different RRC sublayer
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* \author R. Knopp, K.H. HSU
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* \date 2018
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* \version 0.1
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* \company Eurecom / NTUST
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* \email: knopp@eurecom.fr, kai-hsiang.hsu@eurecom.fr
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* \note
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* \warning
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*/
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#include "rrc_defs.h"
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#include "rrc_proto.h"
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#include "assertions.h"
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typedef uint32_t channel_t;
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int8_t
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nr_mac_rrc_data_ind_ue(
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const module_id_t module_id,
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const int CC_id,
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const uint8_t gNB_index,
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const channel_t channel,
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const uint8_t* pduP,
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const sdu_size_t pdu_len){
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switch(channel){
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case NR_BCCH_BCH:
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AssertFatal( nr_rrc_ue_decode_NR_BCCH_BCH_Message(module_id, gNB_index, (uint8_t*)pduP, pdu_len) == 0, "UE decode BCCH-BCH error!\n");
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break;
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case NR_BCCH_DL_SCH:
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AssertFatal( nr_rrc_ue_decode_NR_SIB1_Message(module_id, gNB_index, (uint8_t*)pduP, pdu_len) == 0, "UE decode BCCH-DLSCH error!\n");
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break;
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default:
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break;
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}
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return(0);
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}
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int8_t mac_rrc_nr_data_req_ue(const module_id_t Mod_idP,
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const int CC_id,
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const frame_t frameP,
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const rb_id_t Srb_id,
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uint8_t *const buffer_pP ){
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// todo
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return 0;
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}
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uint8_t
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rrc_data_req_ue(
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const protocol_ctxt_t *const ctxt_pP,
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const rb_id_t rb_idP,
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const mui_t muiP,
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const confirm_t confirmP,
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const sdu_size_t sdu_sizeP,
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uint8_t *const buffer_pP,
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const pdcp_transmission_mode_t modeP
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)
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{
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MessageDef *message_p;
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// Uses a new buffer to avoid issue with PDCP buffer content that could be changed by PDCP (asynchronous message handling).
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uint8_t *message_buffer;
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message_buffer = itti_malloc (
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ctxt_pP->enb_flag ? TASK_RRC_ENB : TASK_RRC_UE,
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ctxt_pP->enb_flag ? TASK_PDCP_ENB : TASK_PDCP_UE,
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sdu_sizeP);
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memcpy (message_buffer, buffer_pP, sdu_sizeP);
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message_p = itti_alloc_new_message (ctxt_pP->enb_flag ? TASK_RRC_ENB : TASK_RRC_UE, RRC_DCCH_DATA_REQ);
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RRC_DCCH_DATA_REQ (message_p).frame = ctxt_pP->frame;
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RRC_DCCH_DATA_REQ (message_p).enb_flag = ctxt_pP->enb_flag;
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RRC_DCCH_DATA_REQ (message_p).rb_id = rb_idP;
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RRC_DCCH_DATA_REQ (message_p).muip = muiP;
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RRC_DCCH_DATA_REQ (message_p).confirmp = confirmP;
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RRC_DCCH_DATA_REQ (message_p).sdu_size = sdu_sizeP;
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RRC_DCCH_DATA_REQ (message_p).sdu_p = message_buffer;
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RRC_DCCH_DATA_REQ (message_p).mode = modeP;
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RRC_DCCH_DATA_REQ (message_p).module_id = ctxt_pP->module_id;
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RRC_DCCH_DATA_REQ (message_p).rnti = ctxt_pP->rnti;
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RRC_DCCH_DATA_REQ (message_p).eNB_index = ctxt_pP->eNB_index;
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itti_send_msg_to_task (
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TASK_PDCP_UE,
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ctxt_pP->instance,
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message_p);
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return TRUE; // TODO should be changed to a CNF message later, currently RRC lite does not used the returned value anyway.
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}
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