Bi-Ruei, Chiu
5c23af773a
1. Previous SW configuration for different RRC version relies on whether macro Rel10, Rel14 defined or not by checking #ifdef Rel14 or #if defined(Rel10) || defined(R14). Whenever there is a newer RRC version, e.g. Rel15, it will be very a tedious and error-prone job to add defined(Rel15) in every place. 2. Some RRC messages are defined in release 13 instead of release 14, NB-IoT feature is one of such example. Our code shall reflect this fact instead of using an afterward version number in software configuration. 3. Some RRC messages or some fields of certain RRC messages are added in the middle a release, e.g. SystemInformationBlockType1_v1310_IEs_t defined in RRC 13.1.0 and RRC 9.2.0 made some changes to SIB12 and SIB13 so we have sib12_v920 and sib13_v920 fields in SIB12 and SIB13's struct. We need a finer grain of control when using ASN1 from different RRC version. 4. S1AP also has this problem that it use UPDATE_RELEASE_9 and UPDATE_RELEASE_10 to differentiate between various S1AP version. This commit propose using MAKE_VERSION(x,y,z) to designate the version number and modify current conditional compilation accordingly. Note: 2018/04/16, Modified based on Cedric's comment.
453 lines
16 KiB
C
453 lines
16 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.c
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* \brief layer 2 interface, used to support different RRC sublayer
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* \author Raymond Knopp and Navid Nikaein
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* \date 2010-2014
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* \version 1.0
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* \company Eurecom
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* \email: raymond.knopp@eurecom.fr
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*/
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#include "platform_types.h"
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//#include "openair_defs.h"
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//#include "openair_proto.h"
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#include "defs.h"
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#include "extern.h"
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//#include "mac_lchan_interface.h"
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//#include "openair_rrc_utils.h"
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//#include "openair_rrc_main.h"
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#include "UTIL/LOG/log.h"
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#include "rrc_eNB_UE_context.h"
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#include "pdcp.h"
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#include "msc.h"
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#if defined(ENABLE_ITTI)
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# include "intertask_interface.h"
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#endif
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//#define RRC_DATA_REQ_DEBUG
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//#define DEBUG_RRC 1
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//------------------------------------------------------------------------------
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int8_t
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mac_rrc_data_req_ue(
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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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const uint8_t Nb_tb,
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uint8_t* const buffer_pP,
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const uint8_t eNB_index,
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const uint8_t mbsfn_sync_area
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)
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//--------------------------------------------------------------------------
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{
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#ifdef DEBUG_RRC
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int i;
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LOG_I(RRC,"[eNB %d] mac_rrc_data_req to SRB ID=%d\n",Mod_idP,Srb_id);
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#endif
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LOG_D(RRC,"[UE %d] Frame %d Filling CCCH SRB_ID %d\n",Mod_idP,frameP,Srb_id);
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LOG_D(RRC,"[UE %d] Frame %d buffer_pP status %d,\n",Mod_idP,frameP, UE_rrc_inst[Mod_idP].Srb0[eNB_index].Tx_buffer.payload_size);
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if( (UE_rrc_inst[Mod_idP].Srb0[eNB_index].Tx_buffer.payload_size > 0) ) {
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#if defined(ENABLE_ITTI)
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{
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MessageDef *message_p;
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int ccch_size = UE_rrc_inst[Mod_idP].Srb0[eNB_index].Tx_buffer.payload_size;
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int sdu_size = sizeof(RRC_MAC_CCCH_DATA_REQ (message_p).sdu);
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if (ccch_size > sdu_size) {
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LOG_E(RRC, "SDU larger than CCCH SDU buffer size (%d, %d)", ccch_size, sdu_size);
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ccch_size = sdu_size;
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}
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message_p = itti_alloc_new_message (TASK_RRC_UE, RRC_MAC_CCCH_DATA_REQ);
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RRC_MAC_CCCH_DATA_REQ (message_p).frame = frameP;
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RRC_MAC_CCCH_DATA_REQ (message_p).sdu_size = ccch_size;
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memset (RRC_MAC_CCCH_DATA_REQ (message_p).sdu, 0, CCCH_SDU_SIZE);
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memcpy (RRC_MAC_CCCH_DATA_REQ (message_p).sdu, UE_rrc_inst[Mod_idP].Srb0[eNB_index].Tx_buffer.Payload, ccch_size);
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RRC_MAC_CCCH_DATA_REQ (message_p).enb_index = eNB_index;
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itti_send_msg_to_task (TASK_MAC_UE, UE_MODULE_ID_TO_INSTANCE(Mod_idP), message_p);
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}
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#endif
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memcpy(&buffer_pP[0],&UE_rrc_inst[Mod_idP].Srb0[eNB_index].Tx_buffer.Payload[0],UE_rrc_inst[Mod_idP].Srb0[eNB_index].Tx_buffer.payload_size);
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uint8_t Ret_size=UE_rrc_inst[Mod_idP].Srb0[eNB_index].Tx_buffer.payload_size;
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// UE_rrc_inst[Mod_id].Srb0[eNB_index].Tx_buffer.payload_size=0;
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UE_rrc_inst[Mod_idP].Info[eNB_index].T300_active = 1;
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UE_rrc_inst[Mod_idP].Info[eNB_index].T300_cnt = 0;
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// msg("[RRC][UE %d] Sending rach\n",Mod_id);
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return(Ret_size);
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} else {
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return 0;
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}
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return(0);
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}
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//------------------------------------------------------------------------------
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int8_t
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mac_rrc_data_ind_ue(
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const module_id_t module_idP,
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const int CC_id,
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const frame_t frameP,
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const sub_frame_t sub_frameP,
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const rnti_t rntiP,
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const rb_id_t srb_idP,
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const uint8_t* sduP,
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const sdu_size_t sdu_lenP,
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const mac_enb_index_t eNB_indexP,
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const uint8_t mbsfn_sync_areaP
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)
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//--------------------------------------------------------------------------
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{
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protocol_ctxt_t ctxt;
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sdu_size_t sdu_size = 0;
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/* for no gcc warnings */
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(void)sdu_size;
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/*
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int si_window;
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*/
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PROTOCOL_CTXT_SET_BY_MODULE_ID(&ctxt, module_idP, 0, rntiP, frameP, sub_frameP,eNB_indexP);
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if(srb_idP == BCCH) {
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LOG_D(RRC,"[UE %d] Received SDU for BCCH on SRB %d from eNB %d\n",module_idP,srb_idP,eNB_indexP);
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#if defined(ENABLE_ITTI)
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{
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MessageDef *message_p;
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int msg_sdu_size = sizeof(RRC_MAC_BCCH_DATA_IND (message_p).sdu);
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if (sdu_lenP > msg_sdu_size) {
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LOG_E(RRC, "SDU larger than BCCH SDU buffer size (%d, %d)", sdu_lenP, msg_sdu_size);
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sdu_size = msg_sdu_size;
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} else {
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sdu_size = sdu_lenP;
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}
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message_p = itti_alloc_new_message (TASK_MAC_UE, RRC_MAC_BCCH_DATA_IND);
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memset (RRC_MAC_BCCH_DATA_IND (message_p).sdu, 0, BCCH_SDU_SIZE);
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RRC_MAC_BCCH_DATA_IND (message_p).frame = frameP;
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RRC_MAC_BCCH_DATA_IND (message_p).sub_frame = sub_frameP;
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RRC_MAC_BCCH_DATA_IND (message_p).sdu_size = sdu_size;
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memcpy (RRC_MAC_BCCH_DATA_IND (message_p).sdu, sduP, sdu_size);
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RRC_MAC_BCCH_DATA_IND (message_p).enb_index = eNB_indexP;
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RRC_MAC_BCCH_DATA_IND (message_p).rsrq = 30 /* TODO change phy to report rspq */;
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RRC_MAC_BCCH_DATA_IND (message_p).rsrp = 45 /* TODO change phy to report rspp */;
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itti_send_msg_to_task (TASK_RRC_UE, ctxt.instance, message_p);
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}
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#else
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decode_BCCH_DLSCH_Message(&ctxt,eNB_indexP,(uint8_t*)sduP,sdu_lenP, 0, 0);
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#endif
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}
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if(srb_idP == PCCH) {
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LOG_D(RRC,"[UE %d] Received SDU for PCCH on SRB %d from eNB %d\n",module_idP,srb_idP,eNB_indexP);
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decode_PCCH_DLSCH_Message(&ctxt,eNB_indexP,(uint8_t*)sduP,sdu_lenP);
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}
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if((srb_idP & RAB_OFFSET) == CCCH) {
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if (sdu_lenP>0) {
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LOG_T(RRC,"[UE %d] Received SDU for CCCH on SRB %d from eNB %d\n",module_idP,srb_idP & RAB_OFFSET,eNB_indexP);
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#if defined(ENABLE_ITTI)
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{
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MessageDef *message_p;
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int msg_sdu_size = CCCH_SDU_SIZE;
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if (sdu_lenP > msg_sdu_size) {
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LOG_E(RRC, "SDU larger than CCCH SDU buffer size (%d, %d)", sdu_size, msg_sdu_size);
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sdu_size = msg_sdu_size;
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} else {
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sdu_size = sdu_lenP;
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}
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message_p = itti_alloc_new_message (TASK_MAC_UE, RRC_MAC_CCCH_DATA_IND);
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memset (RRC_MAC_CCCH_DATA_IND (message_p).sdu, 0, CCCH_SDU_SIZE);
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memcpy (RRC_MAC_CCCH_DATA_IND (message_p).sdu, sduP, sdu_size);
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RRC_MAC_CCCH_DATA_IND (message_p).frame = frameP;
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RRC_MAC_CCCH_DATA_IND (message_p).sub_frame = sub_frameP;
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RRC_MAC_CCCH_DATA_IND (message_p).sdu_size = sdu_size;
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RRC_MAC_CCCH_DATA_IND (message_p).enb_index = eNB_indexP;
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RRC_MAC_CCCH_DATA_IND (message_p).rnti = rntiP;
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itti_send_msg_to_task (TASK_RRC_UE, ctxt.instance, message_p);
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}
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#else
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SRB_INFO *Srb_info;
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Srb_info = &UE_rrc_inst[module_idP].Srb0[eNB_indexP];
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memcpy(Srb_info->Rx_buffer.Payload,sduP,sdu_lenP);
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Srb_info->Rx_buffer.payload_size = sdu_lenP;
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rrc_ue_decode_ccch(&ctxt, Srb_info, eNB_indexP);
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#endif
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}
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}
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#if (RRC_VERSION >= MAKE_VERSION(10, 0, 0))
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if ((srb_idP & RAB_OFFSET) == MCCH) {
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LOG_T(RRC,"[UE %d] Frame %d: Received SDU on MBSFN sync area %d for MCCH on SRB %d from eNB %d\n",
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module_idP,frameP, mbsfn_sync_areaP, srb_idP & RAB_OFFSET,eNB_indexP);
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#if defined(ENABLE_ITTI)
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{
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MessageDef *message_p;
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int msg_sdu_size = sizeof(RRC_MAC_MCCH_DATA_IND (message_p).sdu);
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if (sdu_size > msg_sdu_size) {
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LOG_E(RRC, "SDU larger than MCCH SDU buffer size (%d, %d)", sdu_size, msg_sdu_size);
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sdu_size = msg_sdu_size;
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}
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message_p = itti_alloc_new_message (TASK_MAC_UE, RRC_MAC_MCCH_DATA_IND);
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RRC_MAC_MCCH_DATA_IND (message_p).frame = frameP;
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RRC_MAC_MCCH_DATA_IND (message_p).sub_frame = sub_frameP;
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RRC_MAC_MCCH_DATA_IND (message_p).sdu_size = sdu_lenP;
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memset (RRC_MAC_MCCH_DATA_IND (message_p).sdu, 0, MCCH_SDU_SIZE);
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memcpy (RRC_MAC_MCCH_DATA_IND (message_p).sdu, sduP, sdu_lenP);
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RRC_MAC_MCCH_DATA_IND (message_p).enb_index = eNB_indexP;
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RRC_MAC_MCCH_DATA_IND (message_p).mbsfn_sync_area = mbsfn_sync_areaP;
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itti_send_msg_to_task (TASK_RRC_UE, ctxt.instance, message_p);
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}
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#else
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decode_MCCH_Message(&ctxt, eNB_indexP, sduP, sdu_lenP, mbsfn_sync_areaP);
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#endif
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}
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#endif // #if (RRC_VERSION >= MAKE_VERSION(10, 0, 0))
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return(0);
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}
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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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{
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MSC_LOG_TX_MESSAGE(
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ctxt_pP->enb_flag ? MSC_RRC_ENB : MSC_RRC_UE,
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ctxt_pP->enb_flag ? MSC_PDCP_ENB : MSC_PDCP_UE,
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buffer_pP,
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sdu_sizeP,
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MSC_AS_TIME_FMT"RRC_DCCH_DATA_REQ UE %x MUI %d size %u",
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MSC_AS_TIME_ARGS(ctxt_pP),
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ctxt_pP->rnti,
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muiP,
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sdu_sizeP);
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#if defined(ENABLE_ITTI)
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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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#else
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return pdcp_data_req (
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ctxt_pP,
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SRB_FLAG_YES,
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rb_idP,
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muiP,
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confirmP,
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sdu_sizeP,
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buffer_pP,
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modeP);
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#endif
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}
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//------------------------------------------------------------------------------
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void
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rrc_data_ind_ue(
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const protocol_ctxt_t* const ctxt_pP,
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const rb_id_t Srb_id,
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const sdu_size_t sdu_sizeP,
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const uint8_t* const buffer_pP
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)
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//------------------------------------------------------------------------------
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{
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rb_id_t DCCH_index = Srb_id;
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LOG_N(RRC, "[UE %x] Frame %d: received a DCCH %d message on SRB %d with Size %d from eNB %d\n",
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ctxt_pP->module_id, ctxt_pP->frame, DCCH_index,Srb_id,sdu_sizeP, ctxt_pP->eNB_index);
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#if defined(ENABLE_ITTI)
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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 (ctxt_pP->enb_flag ? TASK_PDCP_ENB : TASK_PDCP_UE, ctxt_pP->enb_flag ? TASK_RRC_ENB : TASK_RRC_UE, 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_PDCP_ENB : TASK_PDCP_UE, RRC_DCCH_DATA_IND);
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RRC_DCCH_DATA_IND (message_p).frame = ctxt_pP->frame;
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RRC_DCCH_DATA_IND (message_p).dcch_index = DCCH_index;
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RRC_DCCH_DATA_IND (message_p).sdu_size = sdu_sizeP;
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RRC_DCCH_DATA_IND (message_p).sdu_p = message_buffer;
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RRC_DCCH_DATA_IND (message_p).rnti = ctxt_pP->rnti;
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RRC_DCCH_DATA_IND (message_p).module_id = ctxt_pP->module_id;
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RRC_DCCH_DATA_IND (message_p).eNB_index = ctxt_pP->eNB_index;
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itti_send_msg_to_task (TASK_RRC_UE, ctxt_pP->instance, message_p);
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}
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#else
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//#warning "LG put 0 to arg4 that is eNB index"
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rrc_ue_decode_dcch(
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ctxt_pP,
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DCCH_index,
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buffer_pP,
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0);
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#endif
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}
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//-------------------------------------------------------------------------------------------//
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void rrc_in_sync_ind(module_id_t Mod_idP, frame_t frameP, uint16_t eNB_index)
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{
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//-------------------------------------------------------------------------------------------//
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#if defined(ENABLE_ITTI)
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{
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MessageDef *message_p;
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//LOG_I(RRC,"sending a message to task_mac_ue\n");
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message_p = itti_alloc_new_message (TASK_MAC_UE, RRC_MAC_IN_SYNC_IND);
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RRC_MAC_IN_SYNC_IND (message_p).frame = frameP;
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RRC_MAC_IN_SYNC_IND (message_p).enb_index = eNB_index;
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itti_send_msg_to_task (TASK_RRC_UE, UE_MODULE_ID_TO_INSTANCE(Mod_idP), message_p);
|
|
}
|
|
#else
|
|
UE_rrc_inst[Mod_idP].Info[eNB_index].N310_cnt=0;
|
|
|
|
if (UE_rrc_inst[Mod_idP].Info[eNB_index].T310_active==1) {
|
|
UE_rrc_inst[Mod_idP].Info[eNB_index].N311_cnt++;
|
|
}
|
|
|
|
#endif
|
|
}
|
|
|
|
//-------------------------------------------------------------------------------------------//
|
|
void rrc_out_of_sync_ind(module_id_t Mod_idP, frame_t frameP, uint16_t eNB_index)
|
|
{
|
|
//-------------------------------------------------------------------------------------------//
|
|
if (UE_rrc_inst[Mod_idP].Info[eNB_index].N310_cnt>10)
|
|
LOG_I(RRC,"[UE %d] Frame %d: OUT OF SYNC FROM eNB %d (T310 active %d : T310 %d, N310 %d, N311 %d)\n ",
|
|
Mod_idP,frameP,eNB_index,
|
|
UE_rrc_inst[Mod_idP].Info[eNB_index].T300_active,
|
|
UE_rrc_inst[Mod_idP].Info[eNB_index].T310_cnt,
|
|
UE_rrc_inst[Mod_idP].Info[eNB_index].N310_cnt,
|
|
UE_rrc_inst[Mod_idP].Info[eNB_index].N311_cnt);
|
|
|
|
#if defined(ENABLE_ITTI)
|
|
{
|
|
MessageDef *message_p;
|
|
|
|
message_p = itti_alloc_new_message (TASK_MAC_UE, RRC_MAC_OUT_OF_SYNC_IND);
|
|
RRC_MAC_OUT_OF_SYNC_IND (message_p).frame = frameP;
|
|
RRC_MAC_OUT_OF_SYNC_IND (message_p).enb_index = eNB_index;
|
|
|
|
itti_send_msg_to_task (TASK_RRC_UE, UE_MODULE_ID_TO_INSTANCE(Mod_idP), message_p);
|
|
}
|
|
#else
|
|
UE_rrc_inst[Mod_idP].Info[eNB_index].N310_cnt++;
|
|
#endif
|
|
}
|
|
|
|
//------------------------------------------------------------------------------
|
|
int
|
|
mac_UE_get_rrc_status(
|
|
const module_id_t Mod_idP,
|
|
const uint8_t indexP
|
|
)
|
|
//------------------------------------------------------------------------------
|
|
{
|
|
if (UE_rrc_inst)
|
|
return(UE_rrc_inst[Mod_idP].Info[indexP].State);
|
|
else
|
|
return(-1);
|
|
}
|
|
|
|
//-------------------------------------------------------------------------------------------//
|
|
int mac_ue_ccch_success_ind(module_id_t Mod_idP, uint8_t eNB_index)
|
|
{
|
|
//-------------------------------------------------------------------------------------------//
|
|
#if defined(ENABLE_ITTI)
|
|
{
|
|
MessageDef *message_p;
|
|
|
|
message_p = itti_alloc_new_message (TASK_MAC_UE, RRC_MAC_CCCH_DATA_CNF);
|
|
RRC_MAC_CCCH_DATA_CNF (message_p).enb_index = eNB_index;
|
|
|
|
itti_send_msg_to_task (TASK_RRC_UE, UE_MODULE_ID_TO_INSTANCE(Mod_idP), message_p);
|
|
}
|
|
#else
|
|
// reset the tx buffer to indicate RRC that ccch was successfully transmitted (for example if contention resolution succeeds)
|
|
UE_rrc_inst[Mod_idP].Srb0[eNB_index].Tx_buffer.payload_size=0;
|
|
#endif
|
|
return 0;
|
|
}
|