Melissa Elkadi
a288e502f0
The clean up includes removing white space changes, adding logs, adding comments to make various changes more obvious, etc.
2310 lines
101 KiB
C
2310 lines
101 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 eNB_scheduler_ulsch.c
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* \brief eNB procedures for the ULSCH transport channel
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* \author Navid Nikaein and Raymond Knopp
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* \date 2010 - 2014
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* \email: navid.nikaein@eurecom.fr
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* \version 1.0
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* @ingroup _mac
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*/
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/* indented with: indent -kr eNB_scheduler_RA.c */
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#include "LAYER2/MAC/mac.h"
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#include "LAYER2/MAC/mac_proto.h"
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#include "LAYER2/MAC/mac_extern.h"
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#include "common/utils/LOG/log.h"
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#include "common/utils/LOG/vcd_signal_dumper.h"
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#include "nfapi/oai_integration/vendor_ext.h"
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#include "UTIL/OPT/opt.h"
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#include "OCG.h"
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#include "OCG_extern.h"
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#include "PHY/LTE_TRANSPORT/transport_common_proto.h"
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#include "RRC/LTE/rrc_extern.h"
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#include "RRC/L2_INTERFACE/openair_rrc_L2_interface.h"
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#include "assertions.h"
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#include "pdcp.h"
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#include "intertask_interface.h"
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#include "ENB_APP/flexran_agent_defs.h"
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#include "flexran_agent_ran_api.h"
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#include "header.pb-c.h"
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#include "flexran.pb-c.h"
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#include "flexran_agent_mac.h"
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#include <dlfcn.h>
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#include "T.h"
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#include "common/ran_context.h"
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extern RAN_CONTEXT_t RC;
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#define ENABLE_MAC_PAYLOAD_DEBUG
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#define DEBUG_eNB_SCHEDULER 1
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extern int oai_nfapi_hi_dci0_req(nfapi_hi_dci0_request_t *hi_dci0_req);
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extern void add_subframe(uint16_t *frameP, uint16_t *subframeP, int offset);
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extern uint16_t sfnsf_add_subframe(uint16_t frameP, uint16_t subframeP, int offset);
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extern int oai_nfapi_ul_config_req(nfapi_ul_config_request_t *ul_config_req);
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// This table holds the allowable PRB sizes for ULSCH transmissions
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uint8_t rb_table[34] = {
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1, 2, 3, 4, 5, // 0-4
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6, 8, 9, 10, 12, // 5-9
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15, 16, 18, 20, 24, // 10-14
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25, 27, 30, 32, 36, // 15-19
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40, 45, 48, 50, 54, // 20-24
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60, 64, 72, 75, 80, // 25-29
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81, 90, 96, 100 // 30-33
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};
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// This table hold the possible number of MTC repetition for CE ModeA
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const uint8_t pusch_repetition_Table8_2_36213[3][4]= {
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{1, 2, 4, 8 },
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{1, 4, 8, 16},
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{1, 4, 16, 32}
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};
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extern mui_t rrc_eNB_mui;
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//-----------------------------------------------------------------------------
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/*
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* When data are received on PHY and transmitted to MAC
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*/
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void
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rx_sdu(const module_id_t enb_mod_idP,
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const int CC_idP,
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const frame_t frameP,
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const sub_frame_t subframeP,
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const rnti_t rntiP,
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uint8_t *sduP,
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const uint16_t sdu_lenP,
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const uint16_t timing_advance,
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const uint8_t ul_cqi)
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//-----------------------------------------------------------------------------
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{
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int current_rnti = 0;
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int UE_id = -1;
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int RA_id = 0;
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int old_rnti = -1;
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int old_UE_id = -1;
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int crnti_rx = 0;
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int harq_pid = 0;
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int first_rb = 0;
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unsigned char num_ce = 0;
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unsigned char num_sdu = 0;
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unsigned char *payload_ptr = NULL;
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unsigned char rx_ces[MAX_NUM_CE];
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unsigned char rx_lcids[NB_RB_MAX];
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unsigned short rx_lengths[NB_RB_MAX];
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uint8_t lcgid = 0;
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int lcgid_updated[4] = {0, 0, 0, 0};
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eNB_MAC_INST *mac = RC.mac[enb_mod_idP];
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UE_info_t *UE_info = &mac->UE_info;
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rrc_eNB_ue_context_t *ue_contextP = NULL;
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UE_sched_ctrl_t *UE_scheduling_control = NULL;
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UE_TEMPLATE *UE_template_ptr = NULL;
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/* Init */
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current_rnti = rntiP;
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UE_id = find_UE_id(enb_mod_idP, current_rnti);
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harq_pid = subframe2harqpid(&mac->common_channels[CC_idP], frameP, subframeP);
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memset(rx_ces, 0, MAX_NUM_CE * sizeof(unsigned char));
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memset(rx_lcids, 0, NB_RB_MAX * sizeof(unsigned char));
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memset(rx_lengths, 0, NB_RB_MAX * sizeof(unsigned short));
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start_meas(&mac->rx_ulsch_sdu);
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VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_RX_SDU, 1);
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trace_pdu(DIRECTION_UPLINK, sduP, sdu_lenP, 0, WS_C_RNTI, current_rnti, frameP, subframeP, 0, 0);
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if (UE_id != -1) {
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UE_scheduling_control = &UE_info->UE_sched_ctrl[UE_id];
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UE_template_ptr = &UE_info->UE_template[CC_idP][UE_id];
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LOG_D(MAC, "[eNB %d][PUSCH %d] CC_id %d %d.%d Received ULSCH sdu round %d from PHY (rnti %x, UE_id %d) ul_cqi %d\n",
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enb_mod_idP,
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harq_pid,
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CC_idP,
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frameP,
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subframeP,
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UE_scheduling_control->round_UL[CC_idP][harq_pid],
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current_rnti,
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UE_id,
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ul_cqi);
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AssertFatal(UE_scheduling_control->round_UL[CC_idP][harq_pid] < 8, "round >= 8\n");
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if (sduP != NULL) {
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UE_scheduling_control->ul_inactivity_timer = 0;
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UE_scheduling_control->ul_failure_timer = 0;
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UE_scheduling_control->ul_scheduled &= (~(1 << harq_pid));
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/* Update with smoothing: 3/4 of old value and 1/4 of new.
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* This is the logic that was done in the function
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* lte_est_timing_advance_pusch, maybe it's not necessary?
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* maybe it's even not correct at all?
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*/
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UE_scheduling_control->ta_update = (UE_scheduling_control->ta_update * 3 + timing_advance) / 4;
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UE_scheduling_control->pusch_snr[CC_idP] = ul_cqi;
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UE_scheduling_control->ul_consecutive_errors = 0;
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first_rb = UE_template_ptr->first_rb_ul[harq_pid];
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if (UE_scheduling_control->ul_out_of_sync > 0) {
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UE_scheduling_control->ul_out_of_sync = 0;
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mac_eNB_rrc_ul_in_sync(enb_mod_idP, CC_idP, frameP, subframeP, current_rnti);
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}
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/* Update bytes to schedule */
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UE_template_ptr->scheduled_ul_bytes -= UE_template_ptr->TBS_UL[harq_pid];
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if (UE_template_ptr->scheduled_ul_bytes < 0) {
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UE_template_ptr->scheduled_ul_bytes = 0;
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}
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} else { // sduP == NULL => error
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LOG_W(MAC, "[eNB %d][PUSCH %d] CC_id %d %d.%d ULSCH in error in round %d, ul_cqi %d, UE_id %d, RNTI %x (len %d)\n",
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enb_mod_idP,
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harq_pid,
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CC_idP,
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frameP,
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subframeP,
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UE_scheduling_control->round_UL[CC_idP][harq_pid],
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ul_cqi,
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UE_id,
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current_rnti,
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sdu_lenP);
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if (ul_cqi > 200) { // too high energy pattern
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UE_scheduling_control->pusch_snr[CC_idP] = ul_cqi;
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LOG_W(MAC, "[MAC] Too high energy pattern\n");
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}
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if (UE_scheduling_control->round_UL[CC_idP][harq_pid] == 3) {
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UE_scheduling_control->ul_scheduled &= (~(1 << harq_pid));
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UE_scheduling_control->round_UL[CC_idP][harq_pid] = 0;
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if (UE_scheduling_control->ul_consecutive_errors++ == 10) {
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UE_scheduling_control->ul_failure_timer = 1;
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}
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/* Update scheduled bytes */
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UE_template_ptr->scheduled_ul_bytes -= UE_template_ptr->TBS_UL[harq_pid];
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if (UE_template_ptr->scheduled_ul_bytes < 0) {
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UE_template_ptr->scheduled_ul_bytes = 0;
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}
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if (find_RA_id(enb_mod_idP, CC_idP, current_rnti) != -1) {
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cancel_ra_proc(enb_mod_idP, CC_idP, frameP, current_rnti);
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}
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} else {
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UE_scheduling_control->round_UL[CC_idP][harq_pid]++;
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}
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/* CDRX UL HARQ timers */
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if (UE_scheduling_control->cdrx_configured == TRUE) {
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/* Synchronous UL HARQ */
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UE_scheduling_control->ul_synchronous_harq_timer[CC_idP][harq_pid] = 5;
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/*
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* The NACK is programmed in n+4 subframes, so UE will have drxRetransmission running.
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* Setting ul_synchronous_harq_timer = 5 will trigger drxRetransmission timer.
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* Note: in case of asynchronous UL HARQ process restart here relevant RTT timer.
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* Start corresponding CDRX ULRetransmission timer.
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*/
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}
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first_rb = UE_template_ptr->first_rb_ul[harq_pid];
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/* Program NACK for PHICH */
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LOG_D(MAC, "Programming PHICH NACK for rnti %x harq_pid %d (first_rb %d)\n",
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current_rnti,
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harq_pid,
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first_rb);
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nfapi_hi_dci0_request_t *hi_dci0_req = NULL;
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uint8_t sf_ahead_dl = ul_subframe2_k_phich(&mac->common_channels[CC_idP], subframeP);
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hi_dci0_req = &mac->HI_DCI0_req[CC_idP][(subframeP + sf_ahead_dl) % 10];
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nfapi_hi_dci0_request_body_t *hi_dci0_req_body = &hi_dci0_req->hi_dci0_request_body;
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nfapi_hi_dci0_request_pdu_t *hi_dci0_pdu = &hi_dci0_req_body->hi_dci0_pdu_list[hi_dci0_req_body->number_of_dci + hi_dci0_req_body->number_of_hi];
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memset((void *) hi_dci0_pdu, 0, sizeof(nfapi_hi_dci0_request_pdu_t));
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hi_dci0_pdu->pdu_type = NFAPI_HI_DCI0_HI_PDU_TYPE;
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hi_dci0_pdu->pdu_size = 2 + sizeof(nfapi_hi_dci0_hi_pdu);
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hi_dci0_pdu->hi_pdu.hi_pdu_rel8.tl.tag = NFAPI_HI_DCI0_REQUEST_HI_PDU_REL8_TAG;
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hi_dci0_pdu->hi_pdu.hi_pdu_rel8.resource_block_start = first_rb;
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hi_dci0_pdu->hi_pdu.hi_pdu_rel8.cyclic_shift_2_for_drms = 0;
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hi_dci0_pdu->hi_pdu.hi_pdu_rel8.hi_value = 0;
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hi_dci0_req_body->number_of_hi++;
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hi_dci0_req_body->sfnsf = sfnsf_add_subframe(frameP, subframeP, 0);
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hi_dci0_req_body->tl.tag = NFAPI_HI_DCI0_REQUEST_BODY_TAG;
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hi_dci0_req->sfn_sf = sfnsf_add_subframe(frameP, subframeP, sf_ahead_dl);
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hi_dci0_req->header.message_id = NFAPI_HI_DCI0_REQUEST;
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return;
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}
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// if UE_id == -1
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} else if ((RA_id = find_RA_id(enb_mod_idP, CC_idP, current_rnti)) != -1) { // Check if this is an RA process for the rnti
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RA_t *ra = (RA_t *) &(mac->common_channels[CC_idP].ra[RA_id]);
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if (ra->rach_resource_type > 0) {
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harq_pid = 0;
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}
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AssertFatal(mac->common_channels[CC_idP].radioResourceConfigCommon->rach_ConfigCommon.maxHARQ_Msg3Tx > 1,
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"maxHARQ %d should be greater than 1\n",
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(int) mac->common_channels[CC_idP].radioResourceConfigCommon->rach_ConfigCommon.maxHARQ_Msg3Tx);
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LOG_D(MAC, "[eNB %d][PUSCH %d] CC_id %d [RAPROC Msg3] Received ULSCH sdu round %d from PHY (rnti %x, RA_id %d) ul_cqi %d\n",
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enb_mod_idP,
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harq_pid,
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CC_idP,
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ra->msg3_round,
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current_rnti,
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RA_id,
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ul_cqi);
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first_rb = ra->msg3_first_rb;
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if (sduP == NULL) { // we've got an error on Msg3
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LOG_D(MAC, "[eNB %d] CC_id %d, RA %d ULSCH in error in round %d/%d\n",
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enb_mod_idP,
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CC_idP,
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RA_id,
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ra->msg3_round,
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(int) mac->common_channels[CC_idP].radioResourceConfigCommon->rach_ConfigCommon.maxHARQ_Msg3Tx);
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if (ra->msg3_round >= mac->common_channels[CC_idP].radioResourceConfigCommon->rach_ConfigCommon.maxHARQ_Msg3Tx - 1) {
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cancel_ra_proc(enb_mod_idP, CC_idP, frameP, current_rnti);
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} else {
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if (ra->rach_resource_type > 0) {
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cancel_ra_proc(enb_mod_idP, CC_idP, frameP, current_rnti); // TODO: Currently we don't support retransmission of Msg3 ( If in error Cancel RA procedure and reattach)
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} else {
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// first_rb = UE_template_ptr->first_rb_ul[harq_pid]; // UE_id = -1 !!!!
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ra->msg3_round++;
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/* Prepare handling of retransmission */
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get_Msg3allocret(&mac->common_channels[CC_idP],
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ra->Msg3_subframe,
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ra->Msg3_frame,
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&ra->Msg3_frame,
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&ra->Msg3_subframe);
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// prepare handling of retransmission
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add_msg3(enb_mod_idP, CC_idP, ra, frameP, subframeP);
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}
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}
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/* TODO: program NACK for PHICH? */
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return;
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}
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} else {
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LOG_W(MAC, "Cannot find UE or RA corresponding to ULSCH rnti %x, dropping it\n", current_rnti);
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return;
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}
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payload_ptr = parse_ulsch_header(sduP, &num_ce, &num_sdu, rx_ces, rx_lcids, rx_lengths, sdu_lenP);
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if (payload_ptr == NULL) {
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LOG_E(MAC,"[eNB %d][PUSCH %d] CC_id %d ulsch header unknown lcid(rnti %x, UE_id %d)\n",
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enb_mod_idP,
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harq_pid,
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CC_idP,
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current_rnti,
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UE_id);
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return;
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}
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T(T_ENB_MAC_UE_UL_PDU,
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T_INT(enb_mod_idP),
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T_INT(CC_idP),
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T_INT(current_rnti),
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T_INT(frameP),
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T_INT(subframeP),
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T_INT(harq_pid),
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T_INT(sdu_lenP),
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T_INT(num_ce),
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T_INT(num_sdu));
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T(T_ENB_MAC_UE_UL_PDU_WITH_DATA,
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T_INT(enb_mod_idP),
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T_INT(CC_idP),
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T_INT(current_rnti),
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T_INT(frameP),
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T_INT(subframeP),
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T_INT(harq_pid),
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T_INT(sdu_lenP),
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T_INT(num_ce),
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T_INT(num_sdu),
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T_BUFFER(sduP, sdu_lenP));
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mac->eNB_stats[CC_idP].ulsch_bytes_rx = sdu_lenP;
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mac->eNB_stats[CC_idP].total_ulsch_bytes_rx += sdu_lenP;
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mac->eNB_stats[CC_idP].total_ulsch_pdus_rx += 1;
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if (UE_id != -1) {
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UE_scheduling_control->round_UL[CC_idP][harq_pid] = 0;
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}
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/* Control element */
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for (int i = 0; i < num_ce; i++) {
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T(T_ENB_MAC_UE_UL_CE,
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T_INT(enb_mod_idP),
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T_INT(CC_idP),
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T_INT(current_rnti),
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T_INT(frameP),
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T_INT(subframeP),
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T_INT(rx_ces[i]));
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switch (rx_ces[i]) { // implement and process PHR + CRNTI + BSR
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case POWER_HEADROOM:
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if (UE_id != -1) {
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UE_template_ptr->phr_info = (payload_ptr[0] & 0x3f) - PHR_MAPPING_OFFSET + (int8_t)(hundred_times_log10_NPRB[UE_template_ptr->nb_rb_ul[harq_pid] - 1] / 100);
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if (UE_template_ptr->phr_info > 40) {
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UE_template_ptr->phr_info = 40;
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}
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LOG_D(MAC, "[eNB %d] CC_id %d MAC CE_LCID %d : Received PHR PH = %d (db)\n",
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enb_mod_idP,
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CC_idP,
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rx_ces[i],
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UE_template_ptr->phr_info);
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UE_template_ptr->phr_info_configured = 1;
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UE_scheduling_control->phr_received = 1;
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}
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payload_ptr += sizeof(POWER_HEADROOM_CMD);
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break;
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case CRNTI:
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old_rnti = (((uint16_t) payload_ptr[0]) << 8) + payload_ptr[1];
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old_UE_id = find_UE_id(enb_mod_idP, old_rnti);
|
|
LOG_D(MAC, "[eNB %d] Frame %d, Subframe %d CC_id %d MAC CE_LCID %d (ce %d/%d): CRNTI %x (UE_id %d) in Msg3\n",
|
|
enb_mod_idP,
|
|
frameP,
|
|
subframeP,
|
|
CC_idP,
|
|
rx_ces[i],
|
|
i,
|
|
num_ce,
|
|
old_rnti,
|
|
old_UE_id);
|
|
|
|
/* Receiving CRNTI means that the current rnti has to go away */
|
|
if (old_UE_id != -1) {
|
|
if (mac_eNB_get_rrc_status(enb_mod_idP,old_rnti) == RRC_HO_EXECUTION) {
|
|
LOG_I(MAC, "[eNB %d] Frame %d, Subframe %d CC_id %d : (rnti %x UE_id %d) Handover case\n",
|
|
enb_mod_idP,
|
|
frameP,
|
|
subframeP,
|
|
CC_idP,
|
|
old_rnti,
|
|
old_UE_id);
|
|
UE_id = old_UE_id;
|
|
current_rnti = old_rnti;
|
|
/* Clear timer */
|
|
UE_scheduling_control = &UE_info->UE_sched_ctrl[UE_id];
|
|
UE_template_ptr = &UE_info->UE_template[CC_idP][UE_id];
|
|
UE_scheduling_control->uplane_inactivity_timer = 0;
|
|
UE_scheduling_control->ul_inactivity_timer = 0;
|
|
UE_scheduling_control->ul_failure_timer = 0;
|
|
|
|
if (UE_scheduling_control->ul_out_of_sync > 0) {
|
|
UE_scheduling_control->ul_out_of_sync = 0;
|
|
mac_eNB_rrc_ul_in_sync(enb_mod_idP,
|
|
CC_idP,
|
|
frameP,
|
|
subframeP,
|
|
old_rnti);
|
|
}
|
|
|
|
UE_template_ptr->ul_SR = 1;
|
|
UE_scheduling_control->crnti_reconfigurationcomplete_flag = 1;
|
|
UE_info->UE_template[UE_PCCID(enb_mod_idP, UE_id)][UE_id].configured = 1;
|
|
cancel_ra_proc(enb_mod_idP,
|
|
CC_idP,
|
|
frameP,
|
|
current_rnti);
|
|
} else {
|
|
/* TODO: if the UE did random access (followed by a MAC uplink with
|
|
* CRNTI) because none of its scheduling request was granted, then
|
|
* according to 36.321 5.4.4 the UE's MAC will notify RRC to release
|
|
* PUCCH/SRS. According to 36.331 5.3.13 the UE will then apply
|
|
* default configuration for CQI reporting and scheduling requests,
|
|
* which basically means that the CQI requests won't work anymore and
|
|
* that the UE won't do any scheduling request anymore as long as the
|
|
* eNB doesn't reconfigure the UE.
|
|
* We have to take care of this. As the code is, nothing is done and
|
|
* the UE state in the eNB is wrong.
|
|
*/
|
|
RA_id = find_RA_id(enb_mod_idP, CC_idP, current_rnti);
|
|
|
|
if (RA_id != -1) {
|
|
RA_t *ra = &(mac->common_channels[CC_idP].ra[RA_id]);
|
|
int8_t ret = mac_rrc_data_ind(enb_mod_idP,
|
|
CC_idP,
|
|
frameP,
|
|
subframeP,
|
|
UE_id,
|
|
old_rnti,
|
|
DCCH,
|
|
(uint8_t *) payload_ptr,
|
|
rx_lengths[i],
|
|
0,
|
|
ra->rach_resource_type > 0
|
|
);
|
|
|
|
/* Received a new rnti */
|
|
if (ret == 0) {
|
|
ra->state = MSGCRNTI;
|
|
LOG_I(MAC, "[eNB %d] Frame %d, Subframe %d CC_id %d : (rnti %x UE_id %d) Received rnti(Msg4)\n",
|
|
enb_mod_idP,
|
|
frameP,
|
|
subframeP,
|
|
CC_idP,
|
|
old_rnti,
|
|
old_UE_id);
|
|
UE_id = old_UE_id;
|
|
current_rnti = old_rnti;
|
|
ra->rnti = old_rnti;
|
|
ra->crnti_rrc_mui = rrc_eNB_mui-1;
|
|
ra->crnti_harq_pid = -1;
|
|
/* Clear timer */
|
|
UE_scheduling_control = &UE_info->UE_sched_ctrl[UE_id];
|
|
UE_template_ptr = &UE_info->UE_template[CC_idP][UE_id];
|
|
UE_scheduling_control->uplane_inactivity_timer = 0;
|
|
UE_scheduling_control->ul_inactivity_timer = 0;
|
|
UE_scheduling_control->ul_failure_timer = 0;
|
|
|
|
if (UE_scheduling_control->ul_out_of_sync > 0) {
|
|
UE_scheduling_control->ul_out_of_sync = 0;
|
|
mac_eNB_rrc_ul_in_sync(enb_mod_idP, CC_idP, frameP, subframeP, old_rnti);
|
|
}
|
|
|
|
UE_template_ptr->ul_SR = 1;
|
|
UE_scheduling_control->crnti_reconfigurationcomplete_flag = 1;
|
|
} else {
|
|
cancel_ra_proc(enb_mod_idP, CC_idP, frameP, current_rnti);
|
|
}
|
|
|
|
// break;
|
|
}
|
|
}
|
|
} else {
|
|
cancel_ra_proc(enb_mod_idP, CC_idP, frameP, current_rnti);
|
|
LOG_W(MAC, "[MAC] Can't find old UE_id\n");
|
|
}
|
|
|
|
crnti_rx = 1;
|
|
payload_ptr += 2; // sizeof(CRNTI)
|
|
break;
|
|
|
|
case TRUNCATED_BSR:
|
|
case SHORT_BSR:
|
|
lcgid = (payload_ptr[0] >> 6);
|
|
LOG_D(MAC, "[eNB %d] CC_id %d MAC CE_LCID %d : Received short BSR LCGID = %u bsr = %d\n",
|
|
enb_mod_idP,
|
|
CC_idP,
|
|
rx_ces[i],
|
|
lcgid,
|
|
payload_ptr[0] & 0x3f);
|
|
|
|
if (UE_id != -1) {
|
|
int bsr = 0;
|
|
bsr = payload_ptr[0] & 0x3f;
|
|
lcgid_updated[lcgid] = 1;
|
|
/* Update buffer info */
|
|
UE_template_ptr->ul_buffer_info[lcgid] = BSR_TABLE[bsr];
|
|
UE_template_ptr->estimated_ul_buffer =
|
|
UE_template_ptr->ul_buffer_info[LCGID0] +
|
|
UE_template_ptr->ul_buffer_info[LCGID1] +
|
|
UE_template_ptr->ul_buffer_info[LCGID2] +
|
|
UE_template_ptr->ul_buffer_info[LCGID3];
|
|
RC.eNB[enb_mod_idP][CC_idP]->pusch_stats_bsr[UE_id][(frameP * 10) + subframeP] = (payload_ptr[0] & 0x3f);
|
|
|
|
if (UE_id == UE_info->list.head) {
|
|
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME(VCD_SIGNAL_DUMPER_VARIABLES_UE0_BSR, (payload_ptr[0] & 0x3f));
|
|
}
|
|
|
|
if (UE_template_ptr->ul_buffer_creation_time[lcgid] == 0) {
|
|
UE_template_ptr->ul_buffer_creation_time[lcgid] = frameP;
|
|
}
|
|
|
|
if (mac_eNB_get_rrc_status(enb_mod_idP,UE_RNTI(enb_mod_idP, UE_id)) < RRC_CONNECTED) {
|
|
LOG_D(MAC, "[eNB %d] CC_id %d MAC CE_LCID %d : estimated_ul_buffer = %d (lcg increment %d)\n",
|
|
enb_mod_idP,
|
|
CC_idP,
|
|
rx_ces[i],
|
|
UE_template_ptr->estimated_ul_buffer,
|
|
UE_template_ptr->ul_buffer_info[lcgid]);
|
|
}
|
|
} else {
|
|
/* Need error message */
|
|
}
|
|
|
|
payload_ptr += 1; // sizeof(SHORT_BSR)
|
|
break;
|
|
|
|
case LONG_BSR:
|
|
if (UE_id != -1) {
|
|
int bsr0 = (payload_ptr[0] & 0xFC) >> 2;
|
|
int bsr1 = ((payload_ptr[0] & 0x03) << 4) | ((payload_ptr[1] & 0xF0) >> 4);
|
|
int bsr2 = ((payload_ptr[1] & 0x0F) << 2) | ((payload_ptr[2] & 0xC0) >> 6);
|
|
int bsr3 = payload_ptr[2] & 0x3F;
|
|
lcgid_updated[LCGID0] = 1;
|
|
lcgid_updated[LCGID1] = 1;
|
|
lcgid_updated[LCGID2] = 1;
|
|
lcgid_updated[LCGID3] = 1;
|
|
/* Update buffer info */
|
|
UE_template_ptr->ul_buffer_info[LCGID0] = BSR_TABLE[bsr0];
|
|
UE_template_ptr->ul_buffer_info[LCGID1] = BSR_TABLE[bsr1];
|
|
UE_template_ptr->ul_buffer_info[LCGID2] = BSR_TABLE[bsr2];
|
|
UE_template_ptr->ul_buffer_info[LCGID3] = BSR_TABLE[bsr3];
|
|
UE_template_ptr->estimated_ul_buffer =
|
|
UE_template_ptr->ul_buffer_info[LCGID0] +
|
|
UE_template_ptr->ul_buffer_info[LCGID1] +
|
|
UE_template_ptr->ul_buffer_info[LCGID2] +
|
|
UE_template_ptr->ul_buffer_info[LCGID3];
|
|
LOG_D(MAC, "[eNB %d] CC_id %d MAC CE_LCID %d: Received long BSR. Size is LCGID0 = %u LCGID1 = %u LCGID2 = %u LCGID3 = %u\n",
|
|
enb_mod_idP,
|
|
CC_idP,
|
|
rx_ces[i],
|
|
UE_template_ptr->ul_buffer_info[LCGID0],
|
|
UE_template_ptr->ul_buffer_info[LCGID1],
|
|
UE_template_ptr->ul_buffer_info[LCGID2],
|
|
UE_template_ptr->ul_buffer_info[LCGID3]);
|
|
|
|
if (crnti_rx == 1) {
|
|
LOG_D(MAC, "[eNB %d] CC_id %d MAC CE_LCID %d: Received CRNTI.\n",
|
|
enb_mod_idP,
|
|
CC_idP,
|
|
rx_ces[i]);
|
|
}
|
|
|
|
for(int lcgid = 0; lcgid <= LCGID3; lcgid++) {
|
|
if (UE_template_ptr->ul_buffer_info[lcgid] == 0) {
|
|
UE_template_ptr->ul_buffer_creation_time[lcgid] = 0;
|
|
} else if (UE_template_ptr->ul_buffer_creation_time[lcgid] == 0) {
|
|
UE_template_ptr->ul_buffer_creation_time[lcgid] = frameP;
|
|
}
|
|
}
|
|
}
|
|
|
|
payload_ptr += 3; // sizeof(LONG_BSR)
|
|
break;
|
|
|
|
default:
|
|
LOG_E(MAC, "[eNB %d] CC_id %d Received unknown MAC header (0x%02x)\n",
|
|
enb_mod_idP,
|
|
CC_idP,
|
|
rx_ces[i]);
|
|
break;
|
|
} // end switch on control element
|
|
} // end for loop on control element
|
|
|
|
for (int i = 0; i < num_sdu; i++) {
|
|
LOG_D(MAC, "SDU Number %d MAC Subheader SDU_LCID %d, length %d\n",
|
|
i,
|
|
rx_lcids[i],
|
|
rx_lengths[i]);
|
|
T(T_ENB_MAC_UE_UL_SDU,
|
|
T_INT(enb_mod_idP),
|
|
T_INT(CC_idP),
|
|
T_INT(current_rnti),
|
|
T_INT(frameP),
|
|
T_INT(subframeP),
|
|
T_INT(rx_lcids[i]),
|
|
T_INT(rx_lengths[i]));
|
|
T(T_ENB_MAC_UE_UL_SDU_WITH_DATA,
|
|
T_INT(enb_mod_idP),
|
|
T_INT(CC_idP),
|
|
T_INT(current_rnti),
|
|
T_INT(frameP),
|
|
T_INT(subframeP),
|
|
T_INT(rx_lcids[i]),
|
|
T_INT(rx_lengths[i]),
|
|
T_BUFFER(payload_ptr, rx_lengths[i]));
|
|
|
|
switch (rx_lcids[i]) {
|
|
case CCCH:
|
|
if (rx_lengths[i] > CCCH_PAYLOAD_SIZE_MAX) {
|
|
LOG_E(MAC, "[eNB %d/%d] frame %d received CCCH of size %d (too big, maximum allowed is %d, sdu_len %d), dropping packet\n",
|
|
enb_mod_idP,
|
|
CC_idP,
|
|
frameP,
|
|
rx_lengths[i],
|
|
CCCH_PAYLOAD_SIZE_MAX,
|
|
sdu_lenP);
|
|
break;
|
|
}
|
|
|
|
LOG_D(MAC, "[eNB %d][RAPROC] CC_id %d Frame %d, Received CCCH: %x.%x.%x.%x.%x.%x, Terminating RA procedure for UE rnti %x\n",
|
|
enb_mod_idP,
|
|
CC_idP,
|
|
frameP,
|
|
payload_ptr[0], payload_ptr[1], payload_ptr[2], payload_ptr[3], payload_ptr[4], payload_ptr[5],
|
|
current_rnti);
|
|
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_TERMINATE_RA_PROC, 1);
|
|
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_TERMINATE_RA_PROC, 0);
|
|
RA_id = find_RA_id(enb_mod_idP, CC_idP, current_rnti);
|
|
|
|
if (RA_id != -1) {
|
|
RA_t *ra = &(mac->common_channels[CC_idP].ra[RA_id]);
|
|
LOG_D(MAC, "[mac %d][RAPROC] CC_id %d Checking proc %d : rnti (%x, %x), state %d\n",
|
|
enb_mod_idP,
|
|
CC_idP,
|
|
RA_id,
|
|
ra->rnti,
|
|
current_rnti,
|
|
ra->state);
|
|
|
|
if (UE_id < 0) {
|
|
memcpy(&(ra->cont_res_id[0]), payload_ptr, 6);
|
|
LOG_D(MAC, "[eNB %d][RAPROC] CC_id %d Frame %d CCCH: Received Msg3: length %d, offset %ld\n",
|
|
enb_mod_idP,
|
|
CC_idP,
|
|
frameP,
|
|
rx_lengths[i],
|
|
payload_ptr - sduP);
|
|
|
|
if ((UE_id = add_new_ue(enb_mod_idP, CC_idP, ra->rnti, harq_pid, ra->rach_resource_type )) == -1) {
|
|
LOG_E(MAC,"[MAC][eNB] Max user count reached\n");
|
|
cancel_ra_proc(enb_mod_idP, CC_idP, frameP, current_rnti); // send Connection Reject ???
|
|
break;
|
|
// kill RA proc
|
|
} else {
|
|
LOG_D(MAC, "[eNB %d][RAPROC] CC_id %d Frame %d Added user with rnti %x => UE %d\n",
|
|
enb_mod_idP,
|
|
CC_idP,
|
|
frameP,
|
|
ra->rnti,
|
|
UE_id);
|
|
UE_scheduling_control = &UE_info->UE_sched_ctrl[UE_id];
|
|
UE_template_ptr = &UE_info->UE_template[CC_idP][UE_id];
|
|
}
|
|
} else {
|
|
LOG_D(MAC, "[eNB %d][RAPROC] CC_id %d Frame %d CCCH: Received Msg3 from already registered UE %d: length %d, offset %ld\n",
|
|
enb_mod_idP,
|
|
CC_idP,
|
|
frameP,
|
|
UE_id,
|
|
rx_lengths[i],
|
|
payload_ptr - sduP);
|
|
// kill RA proc
|
|
}
|
|
|
|
mac_rrc_data_ind(enb_mod_idP,
|
|
CC_idP,
|
|
frameP, subframeP,
|
|
UE_id,
|
|
current_rnti,
|
|
CCCH,
|
|
(uint8_t *) payload_ptr,
|
|
rx_lengths[i],
|
|
0,ra->rach_resource_type > 0
|
|
);
|
|
|
|
if (num_ce > 0) { // handle msg3 which is not RRCConnectionRequest
|
|
// process_ra_message(msg3,num_ce,rx_lcids,rx_ces);
|
|
}
|
|
|
|
// prepare transmission of Msg4
|
|
ra->state = MSG4;
|
|
|
|
if(mac->common_channels[CC_idP].tdd_Config != NULL) {
|
|
switch(mac->common_channels[CC_idP].tdd_Config->subframeAssignment) {
|
|
case 1:
|
|
ra->Msg4_frame = frameP + ((subframeP > 2) ? 1 : 0);
|
|
ra->Msg4_subframe = (subframeP + 7) % 10;
|
|
break;
|
|
|
|
default:
|
|
printf("%s:%d: TODO\n", __FILE__, __LINE__);
|
|
abort();
|
|
// TODO need to be complete for other tdd configs.
|
|
}
|
|
} else {
|
|
/* Program Msg4 PDCCH+DLSCH/MPDCCH transmission 4 subframes from now,
|
|
* Check if this is ok for BL/CE, or if the rule is different
|
|
*/
|
|
ra->Msg4_frame = frameP + ((subframeP > 5) ? 1 : 0);
|
|
ra->Msg4_subframe = (subframeP + 4) % 10;
|
|
}
|
|
|
|
UE_scheduling_control->crnti_reconfigurationcomplete_flag = 0;
|
|
} // if RA process is active
|
|
|
|
break;
|
|
|
|
case DCCH:
|
|
case DCCH1:
|
|
#if defined(ENABLE_MAC_PAYLOAD_DEBUG)
|
|
LOG_T(MAC, "offset: %d\n", (unsigned char) ((unsigned char *) payload_ptr - sduP));
|
|
|
|
for (int j = 0; j < 32; j++) {
|
|
LOG_T(MAC, "%x ", payload_ptr[j]);
|
|
}
|
|
|
|
LOG_T(MAC, "\n");
|
|
#endif
|
|
|
|
if (UE_id != -1) {
|
|
if (lcgid_updated[UE_template_ptr->lcgidmap[rx_lcids[i]]] == 0) {
|
|
/* Adjust buffer occupancy of the correponding logical channel group */
|
|
if (UE_template_ptr->ul_buffer_info[UE_template_ptr->lcgidmap[rx_lcids[i]]] >= rx_lengths[i])
|
|
UE_template_ptr->ul_buffer_info[UE_template_ptr->lcgidmap[rx_lcids[i]]] -= rx_lengths[i];
|
|
else
|
|
UE_template_ptr->ul_buffer_info[UE_template_ptr->lcgidmap[rx_lcids[i]]] = 0;
|
|
|
|
UE_template_ptr->estimated_ul_buffer =
|
|
UE_template_ptr->ul_buffer_info[0] +
|
|
UE_template_ptr->ul_buffer_info[1] +
|
|
UE_template_ptr->ul_buffer_info[2] +
|
|
UE_template_ptr->ul_buffer_info[3];
|
|
//UE_template_ptr->estimated_ul_buffer += UE_template_ptr->estimated_ul_buffer / 4;
|
|
}
|
|
|
|
LOG_D(MAC,
|
|
"[eNB %d] CC_id %d Frame %d : ULSCH -> UL-DCCH, received %d bytes form UE %d on LCID %d \n",
|
|
enb_mod_idP, CC_idP, frameP, rx_lengths[i], UE_id,
|
|
rx_lcids[i]);
|
|
mac_rlc_data_ind(enb_mod_idP, current_rnti, enb_mod_idP, frameP, ENB_FLAG_YES, MBMS_FLAG_NO, rx_lcids[i], (char *) payload_ptr, rx_lengths[i], 1, NULL); //(unsigned int*)crc_status);
|
|
UE_info->eNB_UE_stats[CC_idP][UE_id].num_pdu_rx[rx_lcids[i]] += 1;
|
|
UE_info->eNB_UE_stats[CC_idP][UE_id].num_bytes_rx[rx_lcids[i]] += rx_lengths[i];
|
|
|
|
if (mac_eNB_get_rrc_status(enb_mod_idP, current_rnti) < RRC_RECONFIGURED) {
|
|
UE_info->UE_sched_ctrl[UE_id].uplane_inactivity_timer = 0;
|
|
}
|
|
}
|
|
|
|
break;
|
|
|
|
// all the DRBS
|
|
case DTCH:
|
|
default:
|
|
#if defined(ENABLE_MAC_PAYLOAD_DEBUG)
|
|
LOG_T(MAC, "offset: %d\n",
|
|
(unsigned char) ((unsigned char *) payload_ptr - sduP));
|
|
|
|
for (int j = 0; j < 32; j++) {
|
|
LOG_T(MAC, "%x ", payload_ptr[j]);
|
|
}
|
|
|
|
LOG_T(MAC, "\n");
|
|
#endif
|
|
|
|
if (rx_lcids[i] < NB_RB_MAX) {
|
|
LOG_D(MAC, "[eNB %d] CC_id %d Frame %d : ULSCH -> UL-DTCH, received %d bytes from UE %d for lcid %d\n",
|
|
enb_mod_idP,
|
|
CC_idP,
|
|
frameP,
|
|
rx_lengths[i],
|
|
UE_id,
|
|
rx_lcids[i]);
|
|
|
|
if (UE_id != -1) {
|
|
/* Adjust buffer occupancy of the correponding logical channel group */
|
|
LOG_D(MAC, "[eNB %d] CC_id %d Frame %d : ULSCH -> UL-DTCH, received %d bytes from UE %d for lcid %d, removing from LCGID %ld, %d\n",
|
|
enb_mod_idP,
|
|
CC_idP,
|
|
frameP,
|
|
rx_lengths[i],
|
|
UE_id,
|
|
rx_lcids[i],
|
|
UE_template_ptr->lcgidmap[rx_lcids[i]],
|
|
UE_template_ptr->ul_buffer_info[UE_template_ptr->lcgidmap[rx_lcids[i]]]);
|
|
|
|
if (lcgid_updated[UE_template_ptr->lcgidmap[rx_lcids[i]]] == 0) {
|
|
if (UE_template_ptr->ul_buffer_info[UE_template_ptr->lcgidmap[rx_lcids[i]]] >= rx_lengths[i]) {
|
|
UE_template_ptr->ul_buffer_info[UE_template_ptr->lcgidmap[rx_lcids[i]]] -= rx_lengths[i];
|
|
} else {
|
|
UE_template_ptr->ul_buffer_info[UE_template_ptr->lcgidmap[rx_lcids[i]]] = 0;
|
|
}
|
|
|
|
UE_template_ptr->estimated_ul_buffer =
|
|
UE_template_ptr->ul_buffer_info[0] +
|
|
UE_template_ptr->ul_buffer_info[1] +
|
|
UE_template_ptr->ul_buffer_info[2] +
|
|
UE_template_ptr->ul_buffer_info[3];
|
|
}
|
|
|
|
if ((rx_lengths[i] < SCH_PAYLOAD_SIZE_MAX) && (rx_lengths[i] > 0)) { // MAX SIZE OF transport block
|
|
mac_rlc_data_ind(enb_mod_idP, current_rnti, enb_mod_idP, frameP, ENB_FLAG_YES, MBMS_FLAG_NO, rx_lcids[i], (char *) payload_ptr, rx_lengths[i], 1, NULL);
|
|
UE_info->eNB_UE_stats[CC_idP][UE_id].num_pdu_rx[rx_lcids[i]] += 1;
|
|
UE_info->eNB_UE_stats[CC_idP][UE_id].num_bytes_rx[rx_lcids[i]] += rx_lengths[i];
|
|
/* Clear uplane_inactivity_timer */
|
|
UE_scheduling_control->uplane_inactivity_timer = 0;
|
|
/* Reset RRC inactivity timer after uplane activity */
|
|
ue_contextP = rrc_eNB_get_ue_context(RC.rrc[enb_mod_idP], current_rnti);
|
|
|
|
if (ue_contextP != NULL) {
|
|
ue_contextP->ue_context.ue_rrc_inactivity_timer = 1;
|
|
} else {
|
|
LOG_E(MAC, "[eNB %d] CC_id %d Couldn't find the context associated to UE (RNTI %d) and reset RRC inactivity timer\n",
|
|
enb_mod_idP,
|
|
CC_idP,
|
|
current_rnti);
|
|
}
|
|
} else { /* rx_length[i] Max size */
|
|
UE_info->eNB_UE_stats[CC_idP][UE_id].num_errors_rx += 1;
|
|
LOG_E(MAC, "[eNB %d] CC_id %d Frame %d : Max size of transport block reached LCID %d from UE %d ",
|
|
enb_mod_idP,
|
|
CC_idP,
|
|
frameP,
|
|
rx_lcids[i],
|
|
UE_id);
|
|
}
|
|
} else { // end if (UE_id != -1)
|
|
LOG_E(MAC,"[eNB %d] CC_id %d Frame %d : received unsupported or unknown LCID %d from UE %d ",
|
|
enb_mod_idP,
|
|
CC_idP,
|
|
frameP,
|
|
rx_lcids[i],
|
|
UE_id);
|
|
}
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
payload_ptr += rx_lengths[i];
|
|
}
|
|
|
|
/* CDRX UL HARQ timers */
|
|
if (UE_id != -1) {
|
|
if (UE_scheduling_control->cdrx_configured == TRUE) {
|
|
/* Synchronous UL HARQ */
|
|
UE_scheduling_control->ul_synchronous_harq_timer[CC_idP][harq_pid] = 5;
|
|
/*
|
|
* The ACK is programmed in n+4 subframes, so UE will have drxRetransmission running.
|
|
* Setting ul_synchronous_harq_timer = 5 will trigger drxRetransmission timer.
|
|
* Note: in case of asynchronous UL HARQ process restart here relevant RTT timer
|
|
* Stop corresponding CDRX ULRetransmission timer
|
|
*/
|
|
}
|
|
}
|
|
|
|
/* Program ACK for PHICH */
|
|
LOG_D(MAC, "Programming PHICH ACK for rnti %x harq_pid %d (first_rb %d)\n",
|
|
current_rnti,
|
|
harq_pid,
|
|
first_rb);
|
|
nfapi_hi_dci0_request_t *hi_dci0_req;
|
|
uint8_t sf_ahead_dl = ul_subframe2_k_phich(&mac->common_channels[CC_idP], subframeP);
|
|
hi_dci0_req = &mac->HI_DCI0_req[CC_idP][(subframeP+sf_ahead_dl)%10];
|
|
nfapi_hi_dci0_request_body_t *hi_dci0_req_body = &hi_dci0_req->hi_dci0_request_body;
|
|
nfapi_hi_dci0_request_pdu_t *hi_dci0_pdu = &hi_dci0_req_body->hi_dci0_pdu_list[hi_dci0_req_body->number_of_dci +
|
|
hi_dci0_req_body->number_of_hi];
|
|
memset((void *) hi_dci0_pdu, 0, sizeof(nfapi_hi_dci0_request_pdu_t));
|
|
hi_dci0_pdu->pdu_type = NFAPI_HI_DCI0_HI_PDU_TYPE;
|
|
hi_dci0_pdu->pdu_size = 2 + sizeof(nfapi_hi_dci0_hi_pdu);
|
|
hi_dci0_pdu->hi_pdu.hi_pdu_rel8.tl.tag = NFAPI_HI_DCI0_REQUEST_HI_PDU_REL8_TAG;
|
|
hi_dci0_pdu->hi_pdu.hi_pdu_rel8.resource_block_start = first_rb;
|
|
hi_dci0_pdu->hi_pdu.hi_pdu_rel8.cyclic_shift_2_for_drms = 0;
|
|
hi_dci0_pdu->hi_pdu.hi_pdu_rel8.hi_value = 1;
|
|
hi_dci0_req_body->number_of_hi++;
|
|
hi_dci0_req_body->sfnsf = sfnsf_add_subframe(frameP,subframeP, 0);
|
|
hi_dci0_req_body->tl.tag = NFAPI_HI_DCI0_REQUEST_BODY_TAG;
|
|
hi_dci0_req->sfn_sf = sfnsf_add_subframe(frameP,subframeP, sf_ahead_dl);
|
|
hi_dci0_req->header.message_id = NFAPI_HI_DCI0_REQUEST;
|
|
|
|
/* NN--> FK: we could either check the payload, or use a phy helper to detect a false msg3 */
|
|
if ((num_sdu == 0) && (num_ce == 0)) {
|
|
if (UE_id != -1)
|
|
UE_info->eNB_UE_stats[CC_idP][UE_id].total_num_errors_rx += 1;
|
|
} else {
|
|
if (UE_id != -1) {
|
|
UE_info->eNB_UE_stats[CC_idP][UE_id].pdu_bytes_rx = sdu_lenP;
|
|
UE_info->eNB_UE_stats[CC_idP][UE_id].total_pdu_bytes_rx += sdu_lenP;
|
|
UE_info->eNB_UE_stats[CC_idP][UE_id].total_num_pdus_rx += 1;
|
|
}
|
|
}
|
|
|
|
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_RX_SDU, 0);
|
|
stop_meas(&mac->rx_ulsch_sdu);
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
/*
|
|
* Return the BSR table index corresponding to the number of bytes in input
|
|
*/
|
|
uint32_t
|
|
bytes_to_bsr_index(int32_t nbytes)
|
|
//-----------------------------------------------------------------------------
|
|
{
|
|
uint32_t i = 0;
|
|
|
|
if (nbytes < 0) {
|
|
return (0);
|
|
}
|
|
|
|
while ((i < BSR_TABLE_SIZE) && (BSR_TABLE[i] <= nbytes)) {
|
|
i++;
|
|
}
|
|
|
|
return (i - 1);
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
/*
|
|
* Add ue info in eNB_ulsch_info[module_idP][CC_id][UE_id] struct
|
|
*/
|
|
void
|
|
add_ue_ulsch_info(module_id_t module_idP,
|
|
int CC_id,
|
|
int UE_id,
|
|
sub_frame_t subframeP,
|
|
UE_ULSCH_STATUS status)
|
|
//-----------------------------------------------------------------------------
|
|
{
|
|
eNB_ulsch_info[module_idP][CC_id][UE_id].rnti = UE_RNTI(module_idP, UE_id);
|
|
eNB_ulsch_info[module_idP][CC_id][UE_id].subframe = subframeP;
|
|
eNB_ulsch_info[module_idP][CC_id][UE_id].status = status;
|
|
eNB_ulsch_info[module_idP][CC_id][UE_id].serving_num++;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
/*
|
|
* Parse MAC header from ULSCH
|
|
*/
|
|
unsigned char *
|
|
parse_ulsch_header(unsigned char *mac_header,
|
|
unsigned char *num_ce,
|
|
unsigned char *num_sdu,
|
|
unsigned char *rx_ces,
|
|
unsigned char *rx_lcids,
|
|
unsigned short *rx_lengths,
|
|
unsigned short tb_length)
|
|
//-----------------------------------------------------------------------------
|
|
{
|
|
unsigned char not_done = 1;
|
|
unsigned char num_ces = 0;
|
|
unsigned char num_sdus = 0;
|
|
unsigned char lcid = 0;
|
|
unsigned char num_sdu_cnt = 0;
|
|
unsigned char *mac_header_ptr = NULL;
|
|
unsigned short length, ce_len = 0;
|
|
/* Init */
|
|
mac_header_ptr = mac_header;
|
|
|
|
while (not_done == 1) {
|
|
if (((SCH_SUBHEADER_FIXED *) mac_header_ptr)->E == 0) {
|
|
not_done = 0;
|
|
}
|
|
|
|
lcid = ((SCH_SUBHEADER_FIXED *) mac_header_ptr)->LCID;
|
|
|
|
if (lcid < EXTENDED_POWER_HEADROOM) {
|
|
if (not_done == 0) { // last MAC SDU, length is implicit
|
|
mac_header_ptr++;
|
|
length = tb_length - (mac_header_ptr - mac_header) - ce_len;
|
|
|
|
for (num_sdu_cnt = 0; num_sdu_cnt < num_sdus; num_sdu_cnt++) {
|
|
length -= rx_lengths[num_sdu_cnt];
|
|
}
|
|
} else {
|
|
if (((SCH_SUBHEADER_SHORT *) mac_header_ptr)->F == 0) {
|
|
length = ((SCH_SUBHEADER_SHORT *) mac_header_ptr)->L;
|
|
mac_header_ptr += 2; //sizeof(SCH_SUBHEADER_SHORT);
|
|
} else { // F = 1
|
|
length = ((((SCH_SUBHEADER_LONG *) mac_header_ptr)->L_MSB & 0x7f) << 8) |
|
|
(((SCH_SUBHEADER_LONG *) mac_header_ptr)->L_LSB & 0xff);
|
|
mac_header_ptr += 3; //sizeof(SCH_SUBHEADER_LONG);
|
|
}
|
|
}
|
|
|
|
LOG_D(MAC, "[eNB] sdu %d lcid %d tb_length %d length %d (offset now %ld)\n",
|
|
num_sdus,
|
|
lcid,
|
|
tb_length,
|
|
length,
|
|
mac_header_ptr - mac_header);
|
|
rx_lcids[num_sdus] = lcid;
|
|
rx_lengths[num_sdus] = length;
|
|
num_sdus++;
|
|
} else { // This is a control element subheader POWER_HEADROOM, BSR and CRNTI
|
|
if (lcid == SHORT_PADDING) {
|
|
mac_header_ptr++;
|
|
} else {
|
|
rx_ces[num_ces] = lcid;
|
|
num_ces++;
|
|
mac_header_ptr++;
|
|
|
|
if (lcid == LONG_BSR) {
|
|
ce_len += 3;
|
|
} else if (lcid == CRNTI) {
|
|
ce_len += 2;
|
|
} else if ((lcid == POWER_HEADROOM) || (lcid == TRUNCATED_BSR) || (lcid == SHORT_BSR)) {
|
|
ce_len++;
|
|
} else {
|
|
LOG_E(MAC, "unknown CE %d \n", lcid);
|
|
return NULL;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
*num_ce = num_ces;
|
|
*num_sdu = num_sdus;
|
|
return (mac_header_ptr);
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
/* This function is called by PHY layer when it schedules some
|
|
* uplink for a random access message 3.
|
|
* The MAC scheduler has to skip the RBs used by this message 3
|
|
* (done below in schedule_ulsch).
|
|
* This function seems to be unused, the Msg3_subframe is set somewhere else...
|
|
* In NFAPI??
|
|
*/
|
|
void
|
|
set_msg3_subframe(module_id_t mod_id,
|
|
int CC_id,
|
|
int frame, // Not used, remove?
|
|
int subframe, // Not used, remove?
|
|
int rnti,
|
|
int Msg3_frame, // Not used, remove?
|
|
int Msg3_subframe)
|
|
//-----------------------------------------------------------------------------
|
|
{
|
|
int RA_id = 0;
|
|
/* Init */
|
|
RA_id = find_RA_id(mod_id, CC_id, rnti); // state == WAITMSG3 instead of state != IDLE (?)
|
|
|
|
if (RA_id != -1) {
|
|
RC.mac[mod_id]->common_channels[CC_id].ra[RA_id].Msg3_subframe = Msg3_subframe;
|
|
} else {
|
|
LOG_E(MAC, "[MAC] Unknown RAPROC associated to RNTI %x\n", rnti);
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
/*
|
|
* Main function called for uplink scheduling (DCI0).
|
|
*/
|
|
void
|
|
schedule_ulsch(module_id_t module_idP,
|
|
frame_t frameP,
|
|
sub_frame_t subframeP)
|
|
//-----------------------------------------------------------------------------
|
|
{
|
|
eNB_MAC_INST *mac = NULL;
|
|
COMMON_channels_t *cc = NULL;
|
|
int sched_subframe;
|
|
int sched_frame;
|
|
/* Init */
|
|
mac = RC.mac[module_idP];
|
|
start_meas(&(mac->schedule_ulsch));
|
|
sched_subframe = (subframeP + 4) % 10;
|
|
sched_frame = frameP;
|
|
cc = mac->common_channels;
|
|
|
|
/* For TDD: check subframes where we have to act and return if nothing should be done now */
|
|
if (cc->tdd_Config) { // Done only for CC_id = 0, assume tdd_Config for all CC_id
|
|
int tdd_sfa = cc->tdd_Config->subframeAssignment;
|
|
|
|
switch (subframeP) {
|
|
case 0:
|
|
if ((tdd_sfa == 0) || (tdd_sfa == 3))
|
|
sched_subframe = 4;
|
|
else if (tdd_sfa == 6)
|
|
sched_subframe = 7;
|
|
else
|
|
return;
|
|
|
|
break;
|
|
|
|
case 1:
|
|
if ((tdd_sfa == 0) || (tdd_sfa == 1))
|
|
sched_subframe = 7;
|
|
else if (tdd_sfa == 6)
|
|
sched_subframe = 8;
|
|
else
|
|
return;
|
|
|
|
break;
|
|
|
|
case 2: // Don't schedule UL in subframe 2 for TDD
|
|
return;
|
|
|
|
case 3:
|
|
if (tdd_sfa == 2)
|
|
sched_subframe = 7;
|
|
else
|
|
return;
|
|
|
|
break;
|
|
|
|
case 4:
|
|
if (tdd_sfa == 1)
|
|
sched_subframe = 8;
|
|
else
|
|
return;
|
|
|
|
break;
|
|
|
|
case 5:
|
|
if (tdd_sfa == 0)
|
|
sched_subframe = 9;
|
|
else if (tdd_sfa == 6)
|
|
sched_subframe = 2;
|
|
else
|
|
return;
|
|
|
|
break;
|
|
|
|
case 6:
|
|
if (tdd_sfa == 0 || tdd_sfa == 1)
|
|
sched_subframe = 2;
|
|
else if (tdd_sfa == 6)
|
|
sched_subframe = 3;
|
|
else
|
|
return;
|
|
|
|
break;
|
|
|
|
case 7:
|
|
return;
|
|
|
|
case 8:
|
|
if ((tdd_sfa >= 2) && (tdd_sfa <= 5))
|
|
sched_subframe = 2;
|
|
else
|
|
return;
|
|
|
|
break;
|
|
|
|
case 9:
|
|
if ((tdd_sfa == 1) || (tdd_sfa == 3) || (tdd_sfa == 4))
|
|
sched_subframe = 3;
|
|
else if (tdd_sfa == 6)
|
|
sched_subframe = 4;
|
|
else
|
|
return;
|
|
|
|
break;
|
|
|
|
default:
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (sched_subframe < subframeP) {
|
|
sched_frame++;
|
|
sched_frame %= 1024;
|
|
}
|
|
|
|
int emtc_active[5];
|
|
memset(emtc_active, 0, 5 * sizeof(int));
|
|
schedule_ulsch_rnti_emtc(module_idP, frameP, subframeP, sched_subframe, emtc_active);
|
|
|
|
/* Note: RC.nb_mac_CC[module_idP] should be lower than or equal to NFAPI_CC_MAX */
|
|
for (int CC_id = 0; CC_id < RC.nb_mac_CC[module_idP]; CC_id++, cc++) {
|
|
LTE_DL_FRAME_PARMS *frame_parms = &RC.eNB[module_idP][CC_id]->frame_parms;
|
|
if (is_prach_subframe(frame_parms, sched_frame, sched_subframe)) {
|
|
int start_rb = get_prach_prb_offset(
|
|
frame_parms,
|
|
frame_parms->prach_config_common.prach_ConfigInfo.prach_ConfigIndex,
|
|
frame_parms->prach_config_common.prach_ConfigInfo.prach_FreqOffset,
|
|
0, // tdd_mapindex
|
|
sched_frame); // Nf
|
|
for (int i = 0; i < 6; i++)
|
|
cc[CC_id].vrb_map_UL[start_rb + i] = 1;
|
|
}
|
|
|
|
/* HACK: let's remove the PUCCH from available RBs
|
|
* we suppose PUCCH size is:
|
|
* - for 25 RBs: 1 RB (top and bottom of ressource grid)
|
|
* - for 50: 2 RBs
|
|
* - for 100: 3 RBs
|
|
* This is totally arbitrary and might even be wrong.
|
|
*/
|
|
switch (to_prb(cc[CC_id].ul_Bandwidth)) {
|
|
case 25:
|
|
cc[CC_id].vrb_map_UL[0] = 1;
|
|
cc[CC_id].vrb_map_UL[24] = 1;
|
|
break;
|
|
|
|
case 50:
|
|
cc[CC_id].vrb_map_UL[0] = 1;
|
|
cc[CC_id].vrb_map_UL[1] = 1;
|
|
cc[CC_id].vrb_map_UL[48] = 1;
|
|
cc[CC_id].vrb_map_UL[49] = 1;
|
|
break;
|
|
|
|
case 100:
|
|
cc[CC_id].vrb_map_UL[0] = 1;
|
|
cc[CC_id].vrb_map_UL[1] = 1;
|
|
cc[CC_id].vrb_map_UL[2] = 1;
|
|
cc[CC_id].vrb_map_UL[97] = 1;
|
|
cc[CC_id].vrb_map_UL[98] = 1;
|
|
cc[CC_id].vrb_map_UL[99] = 1;
|
|
break;
|
|
|
|
default:
|
|
LOG_E(MAC, "RBs setting not handled. Todo.\n");
|
|
exit(1);
|
|
}
|
|
|
|
schedule_ulsch_rnti(module_idP, CC_id, frameP, subframeP, sched_subframe);
|
|
}
|
|
|
|
stop_meas(&mac->schedule_ulsch);
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
/*
|
|
* Schedule the DCI0 for ULSCH
|
|
*/
|
|
void
|
|
schedule_ulsch_rnti(module_id_t module_idP,
|
|
int CC_id,
|
|
frame_t frameP,
|
|
sub_frame_t subframeP,
|
|
unsigned char sched_subframeP) {
|
|
/* TODO: does this need to be static? */
|
|
static int32_t tpc_accumulated = 0;
|
|
/* values from 0 to 7 can be used for mapping the cyclic shift
|
|
* (36.211 , Table 5.5.2.1.1-1) */
|
|
const uint32_t cshift = 0;
|
|
eNB_MAC_INST *mac = RC.mac[module_idP];
|
|
COMMON_channels_t *cc = mac->common_channels;
|
|
UE_info_t *UE_info = &mac->UE_info;
|
|
|
|
int sched_frame = frameP;
|
|
|
|
if (sched_subframeP < subframeP) {
|
|
sched_frame++;
|
|
sched_frame %= 1024;
|
|
}
|
|
|
|
/* NFAPI struct init */
|
|
nfapi_hi_dci0_request_t *hi_dci0_req = &(mac->HI_DCI0_req[CC_id][subframeP]);
|
|
nfapi_hi_dci0_request_body_t *hi_dci0_req_body = &(hi_dci0_req->hi_dci0_request_body);
|
|
nfapi_hi_dci0_request_pdu_t *hi_dci0_pdu;
|
|
nfapi_ul_config_request_t *ul_req_tmp = &(mac->UL_req_tmp[CC_id][sched_subframeP]);
|
|
nfapi_ul_config_request_body_t *ul_req_tmp_body = &(ul_req_tmp->ul_config_request_body);
|
|
nfapi_ul_config_ulsch_harq_information *ulsch_harq_information;
|
|
hi_dci0_req->sfn_sf = (frameP << 4) + subframeP;
|
|
|
|
/*
|
|
* ULSCH preprocessor: set UE_template->
|
|
* pre_allocated_nb_rb_ul[slice_idx]
|
|
* pre_assigned_mcs_ul
|
|
* pre_allocated_rb_table_index_ul
|
|
*/
|
|
ulsch_scheduler_pre_processor(module_idP, CC_id, frameP, subframeP, sched_frame, sched_subframeP);
|
|
|
|
for (int UE_id = UE_info->list.head; UE_id >= 0; UE_id = UE_info->list.next[UE_id]) {
|
|
if (UE_info->UE_template[CC_id][UE_id].rach_resource_type > 0)
|
|
continue;
|
|
|
|
// don't schedule if Msg5 is not received yet
|
|
if (UE_info->UE_template[CC_id][UE_id].configured == FALSE) {
|
|
LOG_D(MAC,
|
|
"[eNB %d] frame %d, subframe %d, UE %d: not configured, skipping "
|
|
"UE scheduling \n",
|
|
module_idP,
|
|
frameP,
|
|
subframeP,
|
|
UE_id);
|
|
continue;
|
|
}
|
|
|
|
const rnti_t rnti = UE_RNTI(module_idP, UE_id);
|
|
|
|
if (rnti == NOT_A_RNTI) {
|
|
LOG_W(MAC,
|
|
"[eNB %d] frame %d, subframe %d, UE %d: no RNTI \n",
|
|
module_idP,
|
|
frameP,
|
|
subframeP,
|
|
UE_id);
|
|
continue;
|
|
}
|
|
|
|
UE_TEMPLATE *UE_template_ptr = &UE_info->UE_template[CC_id][UE_id];
|
|
UE_sched_ctrl_t *UE_sched_ctrl_ptr = &UE_info->UE_sched_ctrl[UE_id];
|
|
const uint8_t harq_pid = subframe2harqpid(&cc[CC_id], sched_frame, sched_subframeP);
|
|
uint8_t round_index = UE_sched_ctrl_ptr->round_UL[CC_id][harq_pid];
|
|
AssertFatal(round_index < 8,
|
|
"round %d > 7 for UE %d/%x\n",
|
|
round_index,
|
|
UE_id,
|
|
rnti);
|
|
|
|
/* Seems unused, only for debug */
|
|
RC.eNB[module_idP][CC_id]->pusch_stats_BO[UE_id][(frameP * 10) + subframeP] =
|
|
UE_template_ptr->estimated_ul_buffer;
|
|
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME(VCD_SIGNAL_DUMPER_VARIABLES_UE0_BO,
|
|
UE_template_ptr->estimated_ul_buffer);
|
|
|
|
if (UE_template_ptr->pre_allocated_nb_rb_ul < 1)
|
|
continue;
|
|
|
|
int dci_ul_pdu_idx = UE_template_ptr->pre_dci_ul_pdu_idx;
|
|
if (dci_ul_pdu_idx < 0) {
|
|
dci_ul_pdu_idx = CCE_try_allocate_ulsch(
|
|
module_idP, CC_id, subframeP, UE_id, UE_sched_ctrl_ptr->dl_cqi[CC_id]);
|
|
if (dci_ul_pdu_idx < 0) {
|
|
LOG_W(MAC ,"%4d.%d: Dropping UL Allocation for RNTI 0x%04x/UE %d\n",
|
|
frameP, subframeP, rnti, UE_id);
|
|
continue;
|
|
}
|
|
}
|
|
|
|
/* verify it is the right UE */
|
|
hi_dci0_pdu = &hi_dci0_req_body->hi_dci0_pdu_list[dci_ul_pdu_idx];
|
|
if (hi_dci0_pdu->pdu_type != NFAPI_HI_DCI0_DCI_PDU_TYPE
|
|
|| hi_dci0_pdu->dci_pdu.dci_pdu_rel8.rnti != rnti) {
|
|
LOG_E(MAC, "illegal hi_dci0_pdu_list index %d for UE %d/RNTI %04x\n",
|
|
dci_ul_pdu_idx,
|
|
UE_id,
|
|
rnti);
|
|
continue;
|
|
}
|
|
|
|
LOG_D(MAC,
|
|
"[eNB %d][PUSCH %d] %d.%d Scheduling UE %d/%x in "
|
|
"round %d (SR %d, UL_inactivity timer %d, UL_failure timer "
|
|
"%d, cqi_req_timer %d)\n",
|
|
module_idP,
|
|
harq_pid,
|
|
frameP,
|
|
subframeP,
|
|
UE_id,
|
|
rnti,
|
|
round_index,
|
|
UE_template_ptr->ul_SR,
|
|
UE_sched_ctrl_ptr->ul_inactivity_timer,
|
|
UE_sched_ctrl_ptr->ul_failure_timer,
|
|
UE_sched_ctrl_ptr->cqi_req_timer);
|
|
|
|
/* Reset the scheduling request */
|
|
UE_template_ptr->ul_SR = 0;
|
|
const uint8_t status = mac_eNB_get_rrc_status(module_idP, rnti);
|
|
|
|
/* Power control */
|
|
/*
|
|
* Compute the expected ULSCH RX snr (for the stats)
|
|
* This is the normalized RX snr and this should be constant (regardless
|
|
* of mcs) Is not in dBm, unit from nfapi, converting to dBm
|
|
*/
|
|
const int32_t snr = (5 * UE_sched_ctrl_ptr->pusch_snr[CC_id] - 640) / 10;
|
|
const int32_t target_snr = mac->puSch10xSnr / 10;
|
|
|
|
/*
|
|
* This assumes accumulated tpc
|
|
* Make sure that we are only sending a tpc update once a frame, otherwise
|
|
* the control loop will freak out
|
|
*/
|
|
const int32_t fx10psf = (UE_template_ptr->pusch_tpc_tx_frame * 10)
|
|
+ UE_template_ptr->pusch_tpc_tx_subframe;
|
|
uint32_t tpc = 1;
|
|
if (((fx10psf + 10) <= (frameP * 10 + subframeP)) // normal case
|
|
|| ((fx10psf > (frameP * 10 + subframeP))
|
|
&& (((10240 - fx10psf + frameP * 10 + subframeP) >= 10)))) { // frame wrap-around
|
|
UE_template_ptr->pusch_tpc_tx_frame = frameP;
|
|
UE_template_ptr->pusch_tpc_tx_subframe = subframeP;
|
|
|
|
if (snr > target_snr + 4) {
|
|
tpc = 0; // -1
|
|
tpc_accumulated--;
|
|
} else if (snr < target_snr - 4) {
|
|
tpc = 2; // +1
|
|
tpc_accumulated++;
|
|
}
|
|
}
|
|
if (tpc != 1) {
|
|
LOG_D(MAC,
|
|
"[eNB %d] ULSCH scheduler: frame %d, subframe %d, harq_pid %d, "
|
|
"tpc %d, accumulated %d, snr/target snr %d/%d\n",
|
|
module_idP,
|
|
frameP,
|
|
subframeP,
|
|
harq_pid,
|
|
tpc,
|
|
tpc_accumulated,
|
|
snr,
|
|
target_snr);
|
|
}
|
|
|
|
/* New transmission */
|
|
if (round_index == 0) {
|
|
/* Handle the aperiodic CQI report */
|
|
uint32_t cqi_req = 0;
|
|
LOG_D(MAC,
|
|
"RRC Connection status %d, cqi_timer %d\n",
|
|
status,
|
|
UE_sched_ctrl_ptr->cqi_req_timer);
|
|
|
|
if (status >= RRC_CONNECTED && UE_sched_ctrl_ptr->cqi_req_timer > 30) {
|
|
if (UE_sched_ctrl_ptr->cqi_received == 0) {
|
|
cqi_req = 1;
|
|
LOG_D(MAC,
|
|
"Setting CQI_REQ (timer %d)\n",
|
|
UE_sched_ctrl_ptr->cqi_req_timer);
|
|
|
|
/* TDD: to be safe, do not ask CQI in special
|
|
* Subframes:36.213/7.2.3 CQI definition */
|
|
if (cc[CC_id].tdd_Config) {
|
|
switch (cc[CC_id].tdd_Config->subframeAssignment) {
|
|
case 1:
|
|
if (subframeP == 1 || subframeP == 6)
|
|
cqi_req = 0;
|
|
break;
|
|
|
|
case 3:
|
|
if (subframeP == 1)
|
|
cqi_req = 0;
|
|
break;
|
|
|
|
default:
|
|
LOG_E(MAC, " TDD config not supported\n");
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (cqi_req == 1)
|
|
UE_sched_ctrl_ptr->cqi_req_flag |= 1 << sched_subframeP;
|
|
} else {
|
|
LOG_D(MAC, "Clearing CQI request timer\n");
|
|
UE_sched_ctrl_ptr->cqi_req_flag = 0;
|
|
UE_sched_ctrl_ptr->cqi_received = 0;
|
|
UE_sched_ctrl_ptr->cqi_req_timer = 0;
|
|
}
|
|
}
|
|
|
|
const uint8_t ndi = 1 - UE_template_ptr->oldNDI_UL[harq_pid]; // NDI: new data indicator
|
|
const uint8_t mcs = UE_template_ptr->pre_assigned_mcs_ul;
|
|
UE_template_ptr->oldNDI_UL[harq_pid] = ndi;
|
|
UE_info->eNB_UE_stats[CC_id][UE_id].snr = snr;
|
|
UE_info->eNB_UE_stats[CC_id][UE_id].target_snr = target_snr;
|
|
UE_template_ptr->mcs_UL[harq_pid] = mcs;
|
|
UE_info->eNB_UE_stats[CC_id][UE_id].ulsch_mcs1 = mcs;
|
|
|
|
/* CDRX */
|
|
if (UE_sched_ctrl_ptr->cdrx_configured) {
|
|
// reset drx inactivity timer when new transmission
|
|
UE_sched_ctrl_ptr->drx_inactivity_timer = 1;
|
|
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME(
|
|
VCD_SIGNAL_DUMPER_VARIABLES_DRX_INACTIVITY,
|
|
(unsigned long)UE_sched_ctrl_ptr->drx_inactivity_timer);
|
|
// when set the UE_template_ptr->ul_SR cannot be set to 1,
|
|
// see definition for more information
|
|
UE_sched_ctrl_ptr->dci0_ongoing_timer = 1;
|
|
}
|
|
|
|
uint8_t rb_table_index = UE_template_ptr->pre_allocated_rb_table_index_ul;
|
|
|
|
UE_info->eNB_UE_stats[CC_id][UE_id].ulsch_mcs2 = mcs;
|
|
|
|
while (rb_table[rb_table_index] > 45 && rb_table_index > 0)
|
|
rb_table_index--;
|
|
|
|
UE_template_ptr->TBS_UL[harq_pid] = get_TBS_UL(mcs, rb_table[rb_table_index]);
|
|
UE_info->eNB_UE_stats[CC_id][UE_id].total_rbs_used_rx += rb_table[rb_table_index];
|
|
UE_info->eNB_UE_stats[CC_id][UE_id].ulsch_TBS = UE_template_ptr->TBS_UL[harq_pid];
|
|
UE_info->eNB_UE_stats[CC_id][UE_id].total_ulsch_TBS += UE_template_ptr->TBS_UL[harq_pid];
|
|
T(T_ENB_MAC_UE_UL_SCHEDULE,
|
|
T_INT(module_idP),
|
|
T_INT(CC_id),
|
|
T_INT(rnti),
|
|
T_INT(frameP),
|
|
T_INT(subframeP),
|
|
T_INT(harq_pid),
|
|
T_INT(mcs),
|
|
T_INT(rb_table[rb_table_index]),
|
|
T_INT(UE_template_ptr->TBS_UL[harq_pid]),
|
|
T_INT(ndi));
|
|
/* Store information for possible retransmission */
|
|
UE_template_ptr->nb_rb_ul[harq_pid] = rb_table[rb_table_index];
|
|
UE_template_ptr->first_rb_ul[harq_pid] = UE_template_ptr->pre_first_nb_rb_ul;
|
|
UE_template_ptr->cqi_req[harq_pid] = cqi_req;
|
|
UE_sched_ctrl_ptr->ul_scheduled |= (1 << harq_pid);
|
|
|
|
if (UE_id == UE_info->list.head) {
|
|
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME(
|
|
VCD_SIGNAL_DUMPER_VARIABLES_UE0_SCHEDULED,
|
|
UE_sched_ctrl_ptr->ul_scheduled);
|
|
}
|
|
|
|
/* Adjust scheduled UL bytes by TBS, wait for UL sdus to do final update */
|
|
LOG_D(MAC,
|
|
"[eNB %d] CC_id %d UE %d/%x : adjusting scheduled_ul_bytes, old "
|
|
"%d, TBS %d\n",
|
|
module_idP,
|
|
CC_id,
|
|
UE_id,
|
|
rnti,
|
|
UE_template_ptr->scheduled_ul_bytes,
|
|
UE_template_ptr->TBS_UL[harq_pid]);
|
|
UE_template_ptr->scheduled_ul_bytes += UE_template_ptr->TBS_UL[harq_pid];
|
|
LOG_D(MAC,
|
|
"scheduled_ul_bytes, new %d\n",
|
|
UE_template_ptr->scheduled_ul_bytes);
|
|
/* Cyclic shift for DM-RS */
|
|
/* Save it for a potential retransmission */
|
|
UE_template_ptr->cshift[harq_pid] = cshift;
|
|
/* Setting DCI0 NFAPI struct */
|
|
hi_dci0_pdu = &hi_dci0_req_body->hi_dci0_pdu_list[dci_ul_pdu_idx];
|
|
hi_dci0_pdu->pdu_size = 2 + sizeof(nfapi_hi_dci0_dci_pdu);
|
|
hi_dci0_pdu->dci_pdu.dci_pdu_rel8.dci_format = NFAPI_UL_DCI_FORMAT_0;
|
|
hi_dci0_pdu->dci_pdu.dci_pdu_rel8.transmission_power = 6000;
|
|
hi_dci0_pdu->dci_pdu.dci_pdu_rel8.resource_block_start = UE_template_ptr->pre_first_nb_rb_ul;
|
|
hi_dci0_pdu->dci_pdu.dci_pdu_rel8.number_of_resource_block =
|
|
rb_table[rb_table_index];
|
|
hi_dci0_pdu->dci_pdu.dci_pdu_rel8.mcs_1 = mcs;
|
|
hi_dci0_pdu->dci_pdu.dci_pdu_rel8.cyclic_shift_2_for_drms = cshift;
|
|
hi_dci0_pdu->dci_pdu.dci_pdu_rel8.frequency_hopping_enabled_flag = 0;
|
|
hi_dci0_pdu->dci_pdu.dci_pdu_rel8.new_data_indication_1 = ndi;
|
|
hi_dci0_pdu->dci_pdu.dci_pdu_rel8.tpc = tpc;
|
|
hi_dci0_pdu->dci_pdu.dci_pdu_rel8.cqi_csi_request = cqi_req;
|
|
hi_dci0_pdu->dci_pdu.dci_pdu_rel8.dl_assignment_index =
|
|
UE_template_ptr->DAI_ul[sched_subframeP];
|
|
hi_dci0_pdu->dci_pdu.dci_pdu_rel8.harq_pid = harq_pid;
|
|
hi_dci0_req_body->sfnsf =
|
|
sfnsf_add_subframe(sched_frame, sched_subframeP, 0);
|
|
hi_dci0_req_body->tl.tag = NFAPI_HI_DCI0_REQUEST_BODY_TAG;
|
|
hi_dci0_req->sfn_sf = frameP << 4 | subframeP;
|
|
hi_dci0_req->header.message_id = NFAPI_HI_DCI0_REQUEST;
|
|
LOG_D(MAC,
|
|
"[PUSCH %d] Frame %d, Subframe %d: Adding UL CONFIG.Request for UE "
|
|
"%d/%x, ulsch_frame %d, ulsch_subframe %d\n",
|
|
harq_pid,
|
|
frameP,
|
|
subframeP,
|
|
UE_id,
|
|
rnti,
|
|
sched_frame,
|
|
sched_subframeP);
|
|
uint16_t ul_req_index = 0;
|
|
uint8_t dlsch_flag = 0;
|
|
|
|
for (ul_req_index = 0; ul_req_index < ul_req_tmp_body->number_of_pdus; ul_req_index++) {
|
|
if (ul_req_tmp_body->ul_config_pdu_list[ul_req_index].pdu_type == NFAPI_UL_CONFIG_UCI_HARQ_PDU_TYPE &&
|
|
ul_req_tmp_body->ul_config_pdu_list[ul_req_index].uci_harq_pdu.ue_information.ue_information_rel8.rnti == rnti) {
|
|
dlsch_flag = 1;
|
|
LOG_D(MAC,
|
|
"Frame %d, Subframe %d:rnti %x ul_req_index %d Switched UCI "
|
|
"HARQ to ULSCH HARQ(first)\n",
|
|
frameP,
|
|
subframeP,
|
|
rnti,
|
|
ul_req_index);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* Add UL_config PDUs */
|
|
fill_nfapi_ulsch_config_request_rel8(
|
|
&ul_req_tmp_body->ul_config_pdu_list[ul_req_index],
|
|
cqi_req,
|
|
cc,
|
|
UE_template_ptr->physicalConfigDedicated,
|
|
get_tmode(module_idP, CC_id, UE_id),
|
|
mac->ul_handle,
|
|
rnti,
|
|
UE_template_ptr->pre_first_nb_rb_ul, // resource_block_start
|
|
rb_table[rb_table_index], // number_of_resource_blocks
|
|
mcs,
|
|
cshift, // cyclic_shift_2_for_drms
|
|
0, // frequency_hopping_enabled_flag
|
|
0, // frequency_hopping_bits
|
|
ndi, // new_data_indication
|
|
0, // redundancy_version
|
|
harq_pid, // harq_process_number
|
|
0, // ul_tx_mode
|
|
0, // current_tx_nb
|
|
0, // n_srs
|
|
get_TBS_UL(mcs, rb_table[rb_table_index]));
|
|
|
|
/* This is a BL/CE UE allocation */
|
|
if (UE_template_ptr->rach_resource_type > 0) {
|
|
fill_nfapi_ulsch_config_request_emtc(
|
|
&ul_req_tmp_body->ul_config_pdu_list[ul_req_index],
|
|
UE_template_ptr->rach_resource_type > 2 ? 2 : 1,
|
|
1, // total_number_of_repetitions
|
|
1, // repetition_number
|
|
(frameP * 10) + subframeP);
|
|
}
|
|
|
|
if (dlsch_flag == 1) {
|
|
if (cqi_req == 1) {
|
|
ul_req_tmp_body->ul_config_pdu_list[ul_req_index].pdu_type = NFAPI_UL_CONFIG_ULSCH_CQI_HARQ_RI_PDU_TYPE;
|
|
ulsch_harq_information = &ul_req_tmp_body->ul_config_pdu_list[ul_req_index].ulsch_cqi_harq_ri_pdu.harq_information;
|
|
ul_req_tmp_body->ul_config_pdu_list[ul_req_index].ulsch_cqi_harq_ri_pdu.initial_transmission_parameters.initial_transmission_parameters_rel8.tl.tag = NFAPI_UL_CONFIG_REQUEST_INITIAL_TRANSMISSION_PARAMETERS_REL8_TAG;
|
|
ul_req_tmp_body->ul_config_pdu_list[ul_req_index].ulsch_cqi_harq_ri_pdu.initial_transmission_parameters.initial_transmission_parameters_rel8.n_srs_initial = 0; // last symbol not punctured
|
|
ul_req_tmp_body->ul_config_pdu_list[ul_req_index].ulsch_cqi_harq_ri_pdu.initial_transmission_parameters.initial_transmission_parameters_rel8.initial_number_of_resource_blocks = rb_table[rb_table_index];
|
|
} else {
|
|
ul_req_tmp_body->ul_config_pdu_list[ul_req_index].pdu_type = NFAPI_UL_CONFIG_ULSCH_HARQ_PDU_TYPE;
|
|
ulsch_harq_information = &ul_req_tmp_body->ul_config_pdu_list[ul_req_index].ulsch_harq_pdu.harq_information;
|
|
ul_req_tmp_body->ul_config_pdu_list[ul_req_index].ulsch_harq_pdu.initial_transmission_parameters.initial_transmission_parameters_rel8.tl.tag = NFAPI_UL_CONFIG_REQUEST_INITIAL_TRANSMISSION_PARAMETERS_REL8_TAG;
|
|
ul_req_tmp_body->ul_config_pdu_list[ul_req_index].ulsch_harq_pdu.initial_transmission_parameters.initial_transmission_parameters_rel8.n_srs_initial = 0; // last symbol not punctured
|
|
ul_req_tmp_body->ul_config_pdu_list[ul_req_index].ulsch_harq_pdu.initial_transmission_parameters.initial_transmission_parameters_rel8.initial_number_of_resource_blocks = rb_table[rb_table_index];
|
|
}
|
|
|
|
fill_nfapi_ulsch_harq_information(module_idP, CC_id, rnti, ulsch_harq_information, subframeP);
|
|
} else {
|
|
ul_req_tmp_body->number_of_pdus++;
|
|
}
|
|
|
|
ul_req_tmp->header.message_id = NFAPI_UL_CONFIG_REQUEST;
|
|
ul_req_tmp_body->tl.tag = NFAPI_UL_CONFIG_REQUEST_BODY_TAG;
|
|
mac->ul_handle++;
|
|
ul_req_tmp->sfn_sf = sched_frame << 4 | sched_subframeP;
|
|
add_ue_ulsch_info(module_idP, CC_id, UE_id, subframeP, S_UL_SCHEDULED);
|
|
LOG_D(MAC,
|
|
"[eNB %d] CC_id %d Frame %d, subframeP %d: Generated ULSCH DCI for "
|
|
"next UE_id %d, format 0\n",
|
|
module_idP,
|
|
CC_id,
|
|
frameP,
|
|
subframeP,
|
|
UE_id);
|
|
LOG_D(
|
|
MAC,
|
|
"[PUSCH %d] SFN/SF:%04d%d UL_CFG:SFN/SF:%04d%d CQI:%d for UE %d/%x\n",
|
|
harq_pid,
|
|
frameP,
|
|
subframeP,
|
|
sched_frame,
|
|
sched_subframeP,
|
|
cqi_req,
|
|
UE_id,
|
|
rnti);
|
|
} else { // round_index > 0 => retransmission
|
|
uint8_t mcs_rv = 0;
|
|
const int rvidx_tab[4] = {0, 2, 3, 1};
|
|
uint8_t round_UL = UE_sched_ctrl_ptr->round_UL[CC_id][harq_pid];
|
|
if (rvidx_tab[round_UL & 3] == 1) {
|
|
mcs_rv = 29;
|
|
} else if (rvidx_tab[round_UL & 3] == 2) {
|
|
mcs_rv = 30;
|
|
} else if (rvidx_tab[round_UL & 3] == 3) {
|
|
mcs_rv = 31;
|
|
}
|
|
|
|
const uint16_t first_rb = UE_template_ptr->pre_first_nb_rb_ul;
|
|
const uint8_t nb_rb = UE_template_ptr->pre_allocated_nb_rb_ul;
|
|
if (first_rb != UE_template_ptr->first_rb_ul[harq_pid]
|
|
|| nb_rb != UE_template_ptr->nb_rb_ul[harq_pid])
|
|
LOG_D(MAC,
|
|
"%4d.%d UE %4x retx: change freq allocation to %d RBs start %d (from %d RBs start %d)\n",
|
|
frameP,
|
|
subframeP,
|
|
rnti,
|
|
nb_rb,
|
|
first_rb,
|
|
UE_template_ptr->nb_rb_ul[harq_pid],
|
|
UE_template_ptr->first_rb_ul[harq_pid]);
|
|
UE_template_ptr->first_rb_ul[harq_pid] = first_rb;
|
|
UE_template_ptr->nb_rb_ul[harq_pid] = nb_rb;
|
|
|
|
T(T_ENB_MAC_UE_UL_SCHEDULE_RETRANSMISSION,
|
|
T_INT(module_idP),
|
|
T_INT(CC_id),
|
|
T_INT(rnti),
|
|
T_INT(frameP),
|
|
T_INT(subframeP),
|
|
T_INT(harq_pid),
|
|
T_INT(mcs_rv),
|
|
T_INT(first_rb),
|
|
T_INT(nb_rb),
|
|
T_INT(round_index));
|
|
/* Add UL_config PDUs */
|
|
LOG_D(MAC,
|
|
"[PUSCH %d] %4d.%d: Adding UL CONFIG.Request for UE "
|
|
"%d/%x, ulsch_frame %d, ulsch_subframe %d\n",
|
|
harq_pid,
|
|
frameP,
|
|
subframeP,
|
|
UE_id,
|
|
rnti,
|
|
sched_frame,
|
|
sched_subframeP);
|
|
|
|
hi_dci0_pdu = &hi_dci0_req_body->hi_dci0_pdu_list[dci_ul_pdu_idx];
|
|
hi_dci0_pdu->pdu_size = 2 + sizeof(nfapi_hi_dci0_dci_pdu);
|
|
hi_dci0_pdu->dci_pdu.dci_pdu_rel8.dci_format = NFAPI_UL_DCI_FORMAT_0;
|
|
hi_dci0_pdu->dci_pdu.dci_pdu_rel8.transmission_power = 6000;
|
|
hi_dci0_pdu->dci_pdu.dci_pdu_rel8.resource_block_start = first_rb;
|
|
hi_dci0_pdu->dci_pdu.dci_pdu_rel8.number_of_resource_block = nb_rb;
|
|
hi_dci0_pdu->dci_pdu.dci_pdu_rel8.mcs_1 = mcs_rv;
|
|
hi_dci0_pdu->dci_pdu.dci_pdu_rel8.cyclic_shift_2_for_drms = cshift;
|
|
hi_dci0_pdu->dci_pdu.dci_pdu_rel8.frequency_hopping_enabled_flag = 0;
|
|
hi_dci0_pdu->dci_pdu.dci_pdu_rel8.new_data_indication_1 = UE_template_ptr->oldNDI_UL[harq_pid];
|
|
hi_dci0_pdu->dci_pdu.dci_pdu_rel8.tpc = tpc;
|
|
hi_dci0_pdu->dci_pdu.dci_pdu_rel8.cqi_csi_request = UE_template_ptr->cqi_req[harq_pid];
|
|
hi_dci0_pdu->dci_pdu.dci_pdu_rel8.dl_assignment_index = UE_template_ptr->DAI_ul[sched_subframeP];
|
|
hi_dci0_pdu->dci_pdu.dci_pdu_rel8.harq_pid = harq_pid;
|
|
|
|
uint16_t ul_req_index = 0;
|
|
uint8_t dlsch_flag = 0;
|
|
uint32_t cqi_req = UE_template_ptr->cqi_req[harq_pid];
|
|
for (ul_req_index = 0; ul_req_index < ul_req_tmp_body->number_of_pdus; ul_req_index++) {
|
|
if (ul_req_tmp_body->ul_config_pdu_list[ul_req_index].pdu_type == NFAPI_UL_CONFIG_UCI_HARQ_PDU_TYPE &&
|
|
ul_req_tmp_body->ul_config_pdu_list[ul_req_index].uci_harq_pdu.ue_information.ue_information_rel8.rnti == rnti) {
|
|
dlsch_flag = 1;
|
|
LOG_D(MAC,
|
|
"Frame %d, Subframe %d:rnti %x ul_req_index %d Switched UCI "
|
|
"HARQ to ULSCH HARQ(first)\n",
|
|
frameP,
|
|
subframeP,
|
|
rnti,
|
|
ul_req_index);
|
|
break;
|
|
}
|
|
}
|
|
|
|
fill_nfapi_ulsch_config_request_rel8(
|
|
&ul_req_tmp_body->ul_config_pdu_list[ul_req_index],
|
|
cqi_req,
|
|
cc,
|
|
UE_template_ptr->physicalConfigDedicated,
|
|
get_tmode(module_idP, CC_id, UE_id),
|
|
mac->ul_handle,
|
|
rnti,
|
|
first_rb, // resource_block_start
|
|
nb_rb, // number_of_resource_blocks
|
|
mcs_rv,
|
|
cshift, // cyclic_shift_2_for_drms
|
|
0, // frequency_hopping_enabled_flag
|
|
0, // frequency_hopping_bits
|
|
UE_template_ptr->oldNDI_UL[harq_pid], // new_data_indication
|
|
rvidx_tab[round_index & 3], // redundancy_version
|
|
harq_pid, // harq_process_number
|
|
0, // ul_tx_mode
|
|
0, // current_tx_nb
|
|
0, // n_srs
|
|
UE_template_ptr->TBS_UL[harq_pid]);
|
|
|
|
/* This is a BL/CE UE allocation */
|
|
if (UE_template_ptr->rach_resource_type > 0) {
|
|
fill_nfapi_ulsch_config_request_emtc(
|
|
&ul_req_tmp_body->ul_config_pdu_list[ul_req_index],
|
|
UE_template_ptr->rach_resource_type > 2 ? 2 : 1,
|
|
1, // total_number_of_repetitions
|
|
1, // repetition_number
|
|
(frameP * 10) + subframeP);
|
|
}
|
|
|
|
if (dlsch_flag == 1) {
|
|
if (cqi_req == 1) {
|
|
ul_req_tmp_body->ul_config_pdu_list[ul_req_index].pdu_type = NFAPI_UL_CONFIG_ULSCH_CQI_HARQ_RI_PDU_TYPE;
|
|
ulsch_harq_information = &ul_req_tmp_body->ul_config_pdu_list[ul_req_index].ulsch_cqi_harq_ri_pdu.harq_information;
|
|
ul_req_tmp_body->ul_config_pdu_list[ul_req_index].ulsch_cqi_harq_ri_pdu.initial_transmission_parameters.initial_transmission_parameters_rel8.tl.tag = NFAPI_UL_CONFIG_REQUEST_INITIAL_TRANSMISSION_PARAMETERS_REL8_TAG;
|
|
ul_req_tmp_body->ul_config_pdu_list[ul_req_index].ulsch_cqi_harq_ri_pdu.initial_transmission_parameters.initial_transmission_parameters_rel8.n_srs_initial = 0; // last symbol not punctured
|
|
ul_req_tmp_body->ul_config_pdu_list[ul_req_index].ulsch_cqi_harq_ri_pdu.initial_transmission_parameters.initial_transmission_parameters_rel8.initial_number_of_resource_blocks = UE_template_ptr->nb_rb_ul[harq_pid];
|
|
} else {
|
|
ul_req_tmp_body->ul_config_pdu_list[ul_req_index].pdu_type = NFAPI_UL_CONFIG_ULSCH_HARQ_PDU_TYPE;
|
|
ulsch_harq_information = &ul_req_tmp_body->ul_config_pdu_list[ul_req_index].ulsch_harq_pdu.harq_information;
|
|
ul_req_tmp_body->ul_config_pdu_list[ul_req_index].ulsch_harq_pdu.initial_transmission_parameters.initial_transmission_parameters_rel8.tl.tag = NFAPI_UL_CONFIG_REQUEST_INITIAL_TRANSMISSION_PARAMETERS_REL8_TAG;
|
|
ul_req_tmp_body->ul_config_pdu_list[ul_req_index].ulsch_harq_pdu.initial_transmission_parameters.initial_transmission_parameters_rel8.n_srs_initial = 0; // last symbol not punctured
|
|
ul_req_tmp_body->ul_config_pdu_list[ul_req_index].ulsch_harq_pdu.initial_transmission_parameters.initial_transmission_parameters_rel8.initial_number_of_resource_blocks = UE_template_ptr->nb_rb_ul[harq_pid];
|
|
}
|
|
|
|
fill_nfapi_ulsch_harq_information(module_idP, CC_id, rnti, ulsch_harq_information, subframeP);
|
|
} else {
|
|
ul_req_tmp_body->number_of_pdus++;
|
|
}
|
|
|
|
mac->ul_handle++;
|
|
ul_req_tmp_body->tl.tag = NFAPI_UL_CONFIG_REQUEST_BODY_TAG;
|
|
ul_req_tmp->sfn_sf = sched_frame << 4 | sched_subframeP;
|
|
ul_req_tmp->header.message_id = NFAPI_UL_CONFIG_REQUEST;
|
|
LOG_D(MAC,
|
|
"[PUSCH %d] Frame %d, Subframe %d: Adding UL CONFIG.Request for UE "
|
|
"%d/%x, ulsch_frame %d, ulsch_subframe %d cqi_req %d\n",
|
|
harq_pid,
|
|
frameP,
|
|
subframeP,
|
|
UE_id,
|
|
rnti,
|
|
sched_frame,
|
|
sched_subframeP,
|
|
cqi_req);
|
|
} // end of round > 0
|
|
} // loop over UE_ids
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
/*
|
|
* default ULSCH scheduler for LTE-M
|
|
*/
|
|
void schedule_ulsch_rnti_emtc(module_id_t module_idP,
|
|
frame_t frameP,
|
|
sub_frame_t subframeP,
|
|
unsigned char sched_subframeP,
|
|
int *emtc_active)
|
|
//-----------------------------------------------------------------------------
|
|
{
|
|
int UE_id = -1;
|
|
rnti_t rnti = -1;
|
|
uint8_t round_UL = 0;
|
|
uint8_t harq_pid = 0;
|
|
uint8_t status = 0;
|
|
uint32_t cshift = 0;
|
|
uint32_t ndi = 0;
|
|
int32_t snr = 0;
|
|
int32_t target_snr = 0;
|
|
int n = 0;
|
|
int CC_id = 0;
|
|
int N_RB_UL = 0;
|
|
int sched_frame = frameP;
|
|
int rvidx_tab[4] = {0,2,3,1};
|
|
int tpc = 0;
|
|
int cqi_req = 0;
|
|
eNB_MAC_INST *eNB = RC.mac[module_idP];
|
|
eNB_RRC_INST *rrc = RC.rrc[module_idP];
|
|
COMMON_channels_t *cc = eNB->common_channels;
|
|
UE_info_t *UE_info = &eNB->UE_info;
|
|
UE_TEMPLATE *UE_template = NULL;
|
|
UE_sched_ctrl_t *UE_sched_ctrl = NULL;
|
|
uint8_t Total_Num_Rep_ULSCH,pusch_maxNumRepetitionCEmodeA_r13;
|
|
uint8_t UL_Scheduling_DCI_SF,UL_Scheduling_DCI_Frame_Even_Odd_Flag; //TODO: To be removed after scheduler relaxation Task
|
|
|
|
if (sched_subframeP < subframeP) {
|
|
sched_frame++;
|
|
}
|
|
|
|
nfapi_hi_dci0_request_body_t *hi_dci0_req = &(eNB->HI_DCI0_req[CC_id][subframeP].hi_dci0_request_body);
|
|
nfapi_hi_dci0_request_pdu_t *hi_dci0_pdu = NULL;
|
|
nfapi_ul_config_request_body_t *ul_req_tmp = &(eNB->UL_req_tmp[CC_id][sched_subframeP].ul_config_request_body);
|
|
nfapi_ul_config_request_body_t *ul_req_body_Rep;
|
|
nfapi_ul_config_request_pdu_t *ul_config_pdu;
|
|
nfapi_ul_config_request_pdu_t *ul_config_pdu_Rep;
|
|
|
|
/* Loop over all active UEs */
|
|
for (UE_id = UE_info->list.head; UE_id >= 0; UE_id = UE_info->list.next[UE_id]) {
|
|
UE_template = &UE_info->UE_template[UE_PCCID(module_idP, UE_id)][UE_id];
|
|
|
|
/* LTE-M device */
|
|
if (UE_template->rach_resource_type == 0) {
|
|
continue;
|
|
}
|
|
|
|
/* Don't schedule if Msg4 is not received yet */
|
|
if (UE_template->configured == FALSE) {
|
|
LOG_D(MAC,"[eNB %d] frame %d subframe %d, UE %d: not configured, skipping UE scheduling \n",
|
|
module_idP,
|
|
frameP,
|
|
subframeP,
|
|
UE_id);
|
|
continue;
|
|
}
|
|
|
|
rnti = UE_RNTI(module_idP, UE_id);
|
|
|
|
if (rnti == NOT_A_RNTI) {
|
|
LOG_W(MAC,"[eNB %d] frame %d subframe %d, UE %d: no RNTI \n",
|
|
module_idP,
|
|
frameP,
|
|
subframeP,
|
|
UE_id);
|
|
continue;
|
|
}
|
|
|
|
/* Loop over all active UL CC_ids for this UE */
|
|
for (n = 0; n < UE_info->numactiveULCCs[UE_id]; n++) {
|
|
/* This is the actual CC_id in the list */
|
|
CC_id = UE_info->ordered_ULCCids[n][UE_id];
|
|
N_RB_UL = to_prb(cc[CC_id].ul_Bandwidth);
|
|
UE_template = &UE_info->UE_template[CC_id][UE_id];
|
|
UE_sched_ctrl = &UE_info->UE_sched_ctrl[UE_id];
|
|
harq_pid = 0;
|
|
round_UL = UE_sched_ctrl->round_UL[CC_id][harq_pid];
|
|
AssertFatal(round_UL < 8,"round_UL %d > 7 for UE %d/%x\n",
|
|
round_UL,
|
|
UE_id,
|
|
rnti);
|
|
LOG_D(MAC,"[eNB %d] frame %d subframe %d,Checking PUSCH %d for BL/CE UE %d/%x CC %d : aggregation level %d, N_RB_UL %d\n",
|
|
module_idP,
|
|
frameP,
|
|
subframeP,
|
|
harq_pid,
|
|
UE_id,
|
|
rnti,
|
|
CC_id,
|
|
24, // agregation level
|
|
N_RB_UL);
|
|
RC.eNB[module_idP][CC_id]->pusch_stats_BO[UE_id][(frameP*10)+subframeP] = UE_template->estimated_ul_buffer;
|
|
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME(VCD_SIGNAL_DUMPER_VARIABLES_UE0_BO, UE_template->estimated_ul_buffer);
|
|
pusch_maxNumRepetitionCEmodeA_r13= *(rrc->configuration.pusch_maxNumRepetitionCEmodeA_r13[CC_id]);
|
|
Total_Num_Rep_ULSCH = pusch_repetition_Table8_2_36213[pusch_maxNumRepetitionCEmodeA_r13][UE_template->pusch_repetition_levels];
|
|
UL_Scheduling_DCI_SF = (40-4 - Total_Num_Rep_ULSCH)%10; //TODO: [eMTC Scheduler] To be removed after scheduler relaxation task
|
|
UL_Scheduling_DCI_Frame_Even_Odd_Flag= ! (((40-4 - Total_Num_Rep_ULSCH)/10 )%2); //TODO: [eMTC Scheduler] To be removed after scheduler relaxation task
|
|
|
|
/* If frameP odd don't schedule */
|
|
if ((frameP&1) == UL_Scheduling_DCI_Frame_Even_Odd_Flag) { //TODO: [eMTC Scheduler] To be removed after scheduler relaxation task
|
|
//if ((UE_is_to_be_scheduled(module_idP, CC_id, UE_id) > 0) && (subframeP == 5)) {
|
|
if ((UE_template->ul_SR > 0 || round_UL > 0 || status < RRC_CONNECTED) && (subframeP == UL_Scheduling_DCI_SF)) {
|
|
/*
|
|
* if there is information on bsr of DCCH, DTCH,
|
|
* or if there is UL_SR,
|
|
* or if there is a packet to retransmit,
|
|
* or we want to schedule a periodic feedback every frame
|
|
*/
|
|
LOG_D(MAC,"[eNB %d][PUSCH %d] Frame %d subframe %d Scheduling UE %d/%x in round_UL %d(SR %d,UL_inactivity timer %d,UL_failure timer %d,cqi_req_timer %d)\n",
|
|
module_idP,
|
|
harq_pid,
|
|
frameP,
|
|
subframeP,
|
|
UE_id,
|
|
rnti,
|
|
round_UL,
|
|
UE_template->ul_SR,
|
|
UE_sched_ctrl->ul_inactivity_timer,
|
|
UE_sched_ctrl->ul_failure_timer,
|
|
UE_sched_ctrl->cqi_req_timer);
|
|
/* Reset the scheduling request */
|
|
emtc_active[CC_id] = 1;
|
|
cc[CC_id].vrb_map_UL[1] = 1;
|
|
cc[CC_id].vrb_map_UL[2] = 1;
|
|
cc[CC_id].vrb_map_UL[3] = 1;
|
|
cc[CC_id].vrb_map_UL[4] = 1;
|
|
cc[CC_id].vrb_map_UL[5] = 1;
|
|
cc[CC_id].vrb_map_UL[6] = 1;
|
|
UE_template->ul_SR = 0;
|
|
status = mac_eNB_get_rrc_status(module_idP,rnti);
|
|
cqi_req = 0;
|
|
/* Power control: compute the expected ULSCH RX snr (for the stats) */
|
|
/* This is the normalized snr and this should be constant (regardless of mcs) */
|
|
snr = (5 * UE_sched_ctrl->pusch_snr[CC_id] - 640) / 10;
|
|
target_snr = eNB->puSch10xSnr / 10; /* TODO: target_rx_power was 178, what to put? */
|
|
/* This assumes accumulated tpc */
|
|
/* Make sure that we are only sending a tpc update once a frame, otherwise the control loop will freak out */
|
|
int32_t framex10psubframe = UE_template->pusch_tpc_tx_frame * 10 + UE_template->pusch_tpc_tx_subframe;
|
|
|
|
if (((framex10psubframe + 10) <= (frameP * 10 + subframeP)) || // normal case
|
|
((framex10psubframe > (frameP * 10 + subframeP)) && (((10240 - framex10psubframe + frameP * 10 + subframeP) >= 10)))) { // frame wrap-around
|
|
UE_template->pusch_tpc_tx_frame = frameP;
|
|
UE_template->pusch_tpc_tx_subframe = subframeP;
|
|
|
|
if (snr > target_snr + 4) {
|
|
tpc = 0; //-1
|
|
UE_sched_ctrl->tpc_accumulated[CC_id]--;
|
|
} else if (snr < target_snr - 4) {
|
|
tpc = 2; //+1
|
|
UE_sched_ctrl->tpc_accumulated[CC_id]++;
|
|
} else {
|
|
tpc = 1; //0
|
|
}
|
|
} else {
|
|
tpc = 1; //0
|
|
}
|
|
|
|
if (tpc != 1) {
|
|
LOG_D(MAC,"[eNB %d] ULSCH scheduler: frame %d, subframe %d, harq_pid %d, tpc %d, accumulated %d, snr/target snr %d/%d\n",
|
|
module_idP,
|
|
frameP,
|
|
subframeP,
|
|
harq_pid,
|
|
tpc,
|
|
UE_sched_ctrl->tpc_accumulated[CC_id],
|
|
snr,
|
|
target_snr);
|
|
}
|
|
|
|
/* New transmission */
|
|
if (round_UL == 0) {
|
|
ndi = 1 - UE_template->oldNDI_UL[harq_pid];
|
|
UE_template->oldNDI_UL[harq_pid] = ndi;
|
|
UE_template->mcs_UL[harq_pid] = 4;
|
|
UE_template->TBS_UL[harq_pid] = get_TBS_UL(UE_template->mcs_UL[harq_pid], 6);
|
|
UE_info->eNB_UE_stats[CC_id][UE_id].snr = snr;
|
|
UE_info->eNB_UE_stats[CC_id][UE_id].target_snr = target_snr;
|
|
UE_info->eNB_UE_stats[CC_id][UE_id].ulsch_mcs1 = 4;
|
|
UE_info->eNB_UE_stats[CC_id][UE_id].ulsch_mcs2 = UE_template->mcs_UL[harq_pid];
|
|
UE_info->eNB_UE_stats[CC_id][UE_id].total_rbs_used_rx += 6;
|
|
UE_info->eNB_UE_stats[CC_id][UE_id].ulsch_TBS = UE_template->TBS_UL[harq_pid];
|
|
T(T_ENB_MAC_UE_UL_SCHEDULE,
|
|
T_INT(module_idP),
|
|
T_INT(CC_id),
|
|
T_INT(rnti),
|
|
T_INT(frameP),
|
|
T_INT(subframeP),
|
|
T_INT(harq_pid),
|
|
T_INT(UE_template->mcs_UL[harq_pid]),
|
|
T_INT(0),
|
|
T_INT(6),
|
|
T_INT(UE_template->TBS_UL[harq_pid]),
|
|
T_INT(ndi));
|
|
/* Store for possible retransmission */
|
|
UE_template->nb_rb_ul[harq_pid] = 6;
|
|
UE_sched_ctrl->ul_scheduled |= (1 << harq_pid);
|
|
|
|
if (UE_id == UE_info->list.head) {
|
|
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME(VCD_SIGNAL_DUMPER_VARIABLES_UE0_SCHEDULED, UE_sched_ctrl->ul_scheduled);
|
|
}
|
|
|
|
/* Adjust total UL buffer status by TBS, wait for UL sdus to do final update */
|
|
UE_template->scheduled_ul_bytes += UE_template->TBS_UL[harq_pid];
|
|
LOG_D(MAC, "scheduled_ul_bytes, new %d\n", UE_template->scheduled_ul_bytes);
|
|
/* Cyclic shift for DMRS */
|
|
cshift = 0; // values from 0 to 7 can be used for mapping the cyclic shift (36.211 , Table 5.5.2.1.1-1)
|
|
/* save it for a potential retransmission */
|
|
UE_template->cshift[harq_pid] = cshift;
|
|
AssertFatal (UE_template->physicalConfigDedicated != NULL, "UE_template->physicalConfigDedicated is null\n");
|
|
AssertFatal (UE_template->physicalConfigDedicated->ext4 != NULL, "UE_template->physicalConfigDedicated->ext4 is null\n");
|
|
AssertFatal (UE_template->physicalConfigDedicated->ext4->epdcch_Config_r11 != NULL, "UE_template->physicalConfigDedicated->ext4->epdcch_Config_r11 is null\n");
|
|
AssertFatal (UE_template->physicalConfigDedicated->ext4->epdcch_Config_r11->config_r11.present == LTE_EPDCCH_Config_r11__config_r11_PR_setup,
|
|
"UE_template->physicalConfigDedicated->ext4->epdcch_Config_r11->config_r11.present != setup\n");
|
|
AssertFatal (UE_template->physicalConfigDedicated->ext4->epdcch_Config_r11->config_r11.choice.setup.setConfigToAddModList_r11 != NULL,
|
|
"UE_template->physicalConfigDedicated->ext4->epdcch_Config_r11->config_r11.choice.setup.setConfigToAddModList_r11 = NULL\n");
|
|
LTE_EPDCCH_SetConfig_r11_t *epdcch_setconfig_r11 = UE_template->physicalConfigDedicated->ext4->epdcch_Config_r11->config_r11.choice.setup.setConfigToAddModList_r11->list.array[0];
|
|
AssertFatal(epdcch_setconfig_r11 != NULL, "epdcch_setconfig_r11 is null\n");
|
|
AssertFatal(epdcch_setconfig_r11->ext2 != NULL, "epdcch_setconfig_r11->ext2 is null\n");
|
|
AssertFatal(epdcch_setconfig_r11->ext2->mpdcch_config_r13 != NULL, "epdcch_setconfig_r11->ext2->mpdcch_config_r13 is null");
|
|
AssertFatal(epdcch_setconfig_r11->ext2->mpdcch_config_r13->present == LTE_EPDCCH_SetConfig_r11__ext2__mpdcch_config_r13_PR_setup,
|
|
"epdcch_setconfig_r11->ext2->mpdcch_config_r13->present is not setup\n");
|
|
AssertFatal(epdcch_setconfig_r11->ext2->numberPRB_Pairs_v1310 != NULL, "epdcch_setconfig_r11->ext2->numberPRB_Pairs_v1310 is null");
|
|
AssertFatal(epdcch_setconfig_r11->ext2->numberPRB_Pairs_v1310->present == LTE_EPDCCH_SetConfig_r11__ext2__numberPRB_Pairs_v1310_PR_setup,
|
|
"epdcch_setconfig_r11->ext2->numberPRB_Pairs_v1310->present is not setup\n");
|
|
LOG_D(MAC,"[PUSCH %d] Frame %d, Subframe %d: Adding UL 6-0A MPDCCH for BL/CE UE %d/%x, ulsch_frame %d, ulsch_subframe %d, UESS MPDCCH Narrowband %d\n",
|
|
harq_pid,
|
|
frameP,
|
|
subframeP,
|
|
UE_id,
|
|
rnti,
|
|
sched_frame,
|
|
sched_subframeP,
|
|
(int)epdcch_setconfig_r11->ext2->mpdcch_config_r13->choice.setup.mpdcch_Narrowband_r13 - 1);
|
|
UE_template->first_rb_ul[harq_pid] = narrowband_to_first_rb (cc, epdcch_setconfig_r11->ext2->mpdcch_config_r13->choice.setup.mpdcch_Narrowband_r13 - 1);
|
|
hi_dci0_pdu = &(hi_dci0_req->hi_dci0_pdu_list[hi_dci0_req->number_of_dci + hi_dci0_req->number_of_hi]);
|
|
memset((void *) hi_dci0_pdu, 0, sizeof(nfapi_hi_dci0_request_pdu_t));
|
|
hi_dci0_pdu->pdu_type = NFAPI_HI_DCI0_MPDCCH_DCI_PDU_TYPE;
|
|
hi_dci0_pdu->pdu_size = (uint8_t) (2 + sizeof (nfapi_dl_config_mpdcch_pdu));
|
|
hi_dci0_pdu->mpdcch_dci_pdu.mpdcch_dci_pdu_rel13.dci_format = (UE_template->rach_resource_type > 1) ? 5 : 4;
|
|
hi_dci0_pdu->mpdcch_dci_pdu.mpdcch_dci_pdu_rel13.ce_mode = (UE_template->rach_resource_type > 1) ? 2 : 1;
|
|
hi_dci0_pdu->mpdcch_dci_pdu.mpdcch_dci_pdu_rel13.mpdcch_narrowband = epdcch_setconfig_r11->ext2->mpdcch_config_r13->choice.setup.mpdcch_Narrowband_r13 - 1;
|
|
hi_dci0_pdu->mpdcch_dci_pdu.mpdcch_dci_pdu_rel13.number_of_prb_pairs = 6; // checked above that it has to be this
|
|
hi_dci0_pdu->mpdcch_dci_pdu.mpdcch_dci_pdu_rel13.resource_block_assignment = 0; // Note: this can be dynamic
|
|
hi_dci0_pdu->mpdcch_dci_pdu.mpdcch_dci_pdu_rel13.mpdcch_transmission_type = epdcch_setconfig_r11->transmissionType_r11; // distibuted
|
|
AssertFatal(UE_template->physicalConfigDedicated->ext4->epdcch_Config_r11->config_r11.choice.setup.startSymbol_r11 != NULL,
|
|
"UE_template->physicalConfigDedicated->ext4->epdcch_Config_r11->config_r11.choice.setup.startSymbol_r11 is null\n");
|
|
hi_dci0_pdu->mpdcch_dci_pdu.mpdcch_dci_pdu_rel13.start_symbol = *UE_template->physicalConfigDedicated->ext4->epdcch_Config_r11->config_r11.choice.setup.startSymbol_r11;
|
|
hi_dci0_pdu->mpdcch_dci_pdu.mpdcch_dci_pdu_rel13.ecce_index = 0; // Note: this should be dynamic
|
|
hi_dci0_pdu->mpdcch_dci_pdu.mpdcch_dci_pdu_rel13.aggreagation_level = 24; // OK for CEModeA r1-3 (9.1.5-1b) or CEModeB r1-4
|
|
hi_dci0_pdu->mpdcch_dci_pdu.mpdcch_dci_pdu_rel13.rnti_type = 4; // other
|
|
hi_dci0_pdu->mpdcch_dci_pdu.mpdcch_dci_pdu_rel13.rnti = rnti;
|
|
hi_dci0_pdu->mpdcch_dci_pdu.mpdcch_dci_pdu_rel13.ce_mode = (UE_template->rach_resource_type < 3) ? 1 : 2; // already set above...
|
|
hi_dci0_pdu->mpdcch_dci_pdu.mpdcch_dci_pdu_rel13.drms_scrambling_init = epdcch_setconfig_r11->dmrs_ScramblingSequenceInt_r11;
|
|
hi_dci0_pdu->mpdcch_dci_pdu.mpdcch_dci_pdu_rel13.initial_transmission_sf_io = (frameP * 10) + subframeP;
|
|
hi_dci0_pdu->mpdcch_dci_pdu.mpdcch_dci_pdu_rel13.transmission_power = 6000; // 0dB
|
|
hi_dci0_pdu->mpdcch_dci_pdu.mpdcch_dci_pdu_rel13.resource_block_start = UE_template->first_rb_ul[harq_pid];
|
|
hi_dci0_pdu->mpdcch_dci_pdu.mpdcch_dci_pdu_rel13.number_of_resource_blocks = 6;
|
|
hi_dci0_pdu->mpdcch_dci_pdu.mpdcch_dci_pdu_rel13.mcs = 4; // adjust according to size of RAR, 208 bits with N1A_PRB = 3
|
|
hi_dci0_pdu->mpdcch_dci_pdu.mpdcch_dci_pdu_rel13.pusch_repetition_levels = UE_template->pusch_repetition_levels;
|
|
AssertFatal(epdcch_setconfig_r11->ext2->mpdcch_config_r13->choice.setup.mpdcch_pdsch_HoppingConfig_r13 == LTE_EPDCCH_SetConfig_r11__ext2__mpdcch_config_r13__setup__mpdcch_pdsch_HoppingConfig_r13_off,
|
|
"epdcch_setconfig_r11->ext2->mpdcch_config_r13->mpdcch_pdsch_HoppingConfig_r13 is not off\n");
|
|
hi_dci0_pdu->mpdcch_dci_pdu.mpdcch_dci_pdu_rel13.frequency_hopping_flag = 1 - epdcch_setconfig_r11->ext2->mpdcch_config_r13->choice.setup.mpdcch_pdsch_HoppingConfig_r13;
|
|
hi_dci0_pdu->mpdcch_dci_pdu.mpdcch_dci_pdu_rel13.redudency_version = 0;
|
|
hi_dci0_pdu->mpdcch_dci_pdu.mpdcch_dci_pdu_rel13.new_data_indication = UE_template->oldNDI_UL[harq_pid];
|
|
hi_dci0_pdu->mpdcch_dci_pdu.mpdcch_dci_pdu_rel13.harq_process = 0;
|
|
hi_dci0_pdu->mpdcch_dci_pdu.mpdcch_dci_pdu_rel13.tpc = tpc;
|
|
hi_dci0_pdu->mpdcch_dci_pdu.mpdcch_dci_pdu_rel13.csi_request = cqi_req;
|
|
hi_dci0_pdu->mpdcch_dci_pdu.mpdcch_dci_pdu_rel13.ul_inex = 0;
|
|
hi_dci0_pdu->mpdcch_dci_pdu.mpdcch_dci_pdu_rel13.dai_presence_flag = 0;
|
|
hi_dci0_pdu->mpdcch_dci_pdu.mpdcch_dci_pdu_rel13.dl_assignment_index = 0;
|
|
hi_dci0_pdu->mpdcch_dci_pdu.mpdcch_dci_pdu_rel13.srs_request = 0;
|
|
hi_dci0_pdu->mpdcch_dci_pdu.mpdcch_dci_pdu_rel13.dci_subframe_repetition_number = 0;
|
|
hi_dci0_pdu->mpdcch_dci_pdu.mpdcch_dci_pdu_rel13.tcp_bitmap = 0;
|
|
hi_dci0_pdu->mpdcch_dci_pdu.mpdcch_dci_pdu_rel13.total_dci_length_include_padding = 29; // hard-coded for 10 MHz
|
|
hi_dci0_pdu->mpdcch_dci_pdu.mpdcch_dci_pdu_rel13.number_of_tx_antenna_ports = 1;
|
|
hi_dci0_req->number_of_dci++;
|
|
LOG_D(MAC,"[PUSCH %d] Frame %d, Subframe %d: Adding UL CONFIG. Request for BL/CE UE %d/%x, ulsch_frame %d, ulsch_subframe %d, UESS mpdcch narrowband %d\n",
|
|
harq_pid,
|
|
frameP,
|
|
subframeP,
|
|
UE_id,
|
|
rnti,
|
|
sched_frame,
|
|
sched_subframeP,
|
|
(int)epdcch_setconfig_r11->ext2->mpdcch_config_r13->choice.setup.mpdcch_Narrowband_r13 - 1);
|
|
fill_nfapi_ulsch_config_request_rel8(&ul_req_tmp->ul_config_pdu_list[ul_req_tmp->number_of_pdus],
|
|
cqi_req,
|
|
cc,
|
|
UE_template->physicalConfigDedicated,
|
|
get_tmode(module_idP,CC_id,UE_id),
|
|
eNB->ul_handle,
|
|
rnti,
|
|
UE_template->first_rb_ul[harq_pid], // resource_block_start
|
|
UE_template->nb_rb_ul[harq_pid], // number_of_resource_blocks
|
|
UE_template->mcs_UL[harq_pid],
|
|
cshift, // cyclic_shift_2_for_drms
|
|
0, // frequency_hopping_enabled_flag
|
|
0, // frequency_hopping_bits
|
|
UE_template->oldNDI_UL[harq_pid], // new_data_indication
|
|
rvidx_tab[round_UL&3], // redundancy_version
|
|
harq_pid, // harq_process_number
|
|
0, // ul_tx_mode
|
|
0, // current_tx_nb
|
|
0, // n_srs
|
|
UE_template->TBS_UL[harq_pid]
|
|
);
|
|
fill_nfapi_ulsch_config_request_emtc(&ul_req_tmp->ul_config_pdu_list[ul_req_tmp->number_of_pdus],
|
|
UE_template->rach_resource_type > 2 ? 2 : 1,
|
|
Total_Num_Rep_ULSCH, // total_number_of_repetitions
|
|
1, // repetition_number
|
|
(frameP * 10) + subframeP);
|
|
ul_req_tmp->number_of_pdus++;
|
|
eNB->ul_handle++;
|
|
add_ue_ulsch_info(module_idP,
|
|
CC_id,
|
|
UE_id,
|
|
subframeP,
|
|
S_UL_SCHEDULED);
|
|
LOG_D(MAC,"[eNB %d] CC_id %d Frame %d, subframeP %d: Generated ULSCH DCI for next UE_id %d, format 0\n",
|
|
module_idP,
|
|
CC_id,
|
|
frameP,
|
|
subframeP,
|
|
UE_id);
|
|
} else { // round_UL > 0 => retransmission
|
|
/* In LTE-M the UL HARQ process is asynchronous */
|
|
T(T_ENB_MAC_UE_UL_SCHEDULE_RETRANSMISSION,
|
|
T_INT(module_idP),
|
|
T_INT(CC_id),
|
|
T_INT(rnti),
|
|
T_INT(frameP),
|
|
T_INT(subframeP),
|
|
T_INT(harq_pid),
|
|
T_INT(UE_template->mcs_UL[harq_pid]),
|
|
T_INT(0),
|
|
T_INT(6),
|
|
T_INT(round_UL));
|
|
AssertFatal (UE_template->physicalConfigDedicated != NULL, "UE_template->physicalConfigDedicated is null\n");
|
|
AssertFatal (UE_template->physicalConfigDedicated->ext4 != NULL, "UE_template->physicalConfigDedicated->ext4 is null\n");
|
|
AssertFatal (UE_template->physicalConfigDedicated->ext4->epdcch_Config_r11 != NULL, "UE_template->physicalConfigDedicated->ext4->epdcch_Config_r11 is null\n");
|
|
AssertFatal (UE_template->physicalConfigDedicated->ext4->epdcch_Config_r11->config_r11.present == LTE_EPDCCH_Config_r11__config_r11_PR_setup,
|
|
"UE_template->physicalConfigDedicated->ext4->epdcch_Config_r11->config_r11.present != setup\n");
|
|
AssertFatal (UE_template->physicalConfigDedicated->ext4->epdcch_Config_r11->config_r11.choice.setup.setConfigToAddModList_r11 != NULL,
|
|
"UE_template->physicalConfigDedicated->ext4->epdcch_Config_r11->config_r11.choice.setup.setConfigToAddModList_r11 = NULL\n");
|
|
LTE_EPDCCH_SetConfig_r11_t *epdcch_setconfig_r11 = UE_template->physicalConfigDedicated->ext4->epdcch_Config_r11->config_r11.choice.setup.setConfigToAddModList_r11->list.array[0];
|
|
AssertFatal(epdcch_setconfig_r11 != NULL, "epdcch_setconfig_r11 is null\n");
|
|
AssertFatal(epdcch_setconfig_r11->ext2 != NULL, "epdcch_setconfig_r11->ext2 is null\n");
|
|
AssertFatal(epdcch_setconfig_r11->ext2->mpdcch_config_r13 != NULL, "epdcch_setconfig_r11->ext2->mpdcch_config_r13 is null");
|
|
AssertFatal(epdcch_setconfig_r11->ext2->mpdcch_config_r13 != NULL, "epdcch_setconfig_r11->ext2->mpdcch_config_r13 is null");
|
|
AssertFatal(epdcch_setconfig_r11->ext2->mpdcch_config_r13->present == LTE_EPDCCH_SetConfig_r11__ext2__mpdcch_config_r13_PR_setup,
|
|
"epdcch_setconfig_r11->ext2->mpdcch_config_r13->present is not setup\n");
|
|
AssertFatal(epdcch_setconfig_r11->ext2->numberPRB_Pairs_v1310 != NULL, "epdcch_setconfig_r11->ext2->numberPRB_Pairs_v1310 is null");
|
|
AssertFatal(epdcch_setconfig_r11->ext2->numberPRB_Pairs_v1310->present == LTE_EPDCCH_SetConfig_r11__ext2__numberPRB_Pairs_v1310_PR_setup,
|
|
"epdcch_setconfig_r11->ext2->numberPRB_Pairs_v1310->present is not setup\n");
|
|
LOG_D(MAC,"[PUSCH %d] Frame %d, Subframe %d: Adding UL 6-0A MPDCCH for BL/CE UE %d/%x, ulsch_frame %d, ulsch_subframe %d,UESS MPDCCH Narrowband %d\n",
|
|
harq_pid,
|
|
frameP,
|
|
subframeP,
|
|
UE_id,
|
|
rnti,
|
|
sched_frame,
|
|
sched_subframeP,
|
|
(int)epdcch_setconfig_r11->ext2->mpdcch_config_r13->choice.setup.mpdcch_Narrowband_r13 - 1);
|
|
UE_template->first_rb_ul[harq_pid] = narrowband_to_first_rb(cc, epdcch_setconfig_r11->ext2->mpdcch_config_r13->choice.setup.mpdcch_Narrowband_r13-1);
|
|
hi_dci0_pdu = &(hi_dci0_req->hi_dci0_pdu_list[hi_dci0_req->number_of_dci+hi_dci0_req->number_of_hi]);
|
|
memset((void *) hi_dci0_pdu, 0, sizeof(nfapi_hi_dci0_request_pdu_t));
|
|
hi_dci0_pdu->pdu_type = NFAPI_HI_DCI0_MPDCCH_DCI_PDU_TYPE;
|
|
hi_dci0_pdu->pdu_size = (uint8_t) (2 + sizeof (nfapi_dl_config_mpdcch_pdu));
|
|
hi_dci0_pdu->mpdcch_dci_pdu.mpdcch_dci_pdu_rel13.dci_format = (UE_template->rach_resource_type > 1) ? 5 : 4;
|
|
hi_dci0_pdu->mpdcch_dci_pdu.mpdcch_dci_pdu_rel13.ce_mode = (UE_template->rach_resource_type > 1) ? 2 : 1;
|
|
hi_dci0_pdu->mpdcch_dci_pdu.mpdcch_dci_pdu_rel13.mpdcch_narrowband = epdcch_setconfig_r11->ext2->mpdcch_config_r13->choice.setup.mpdcch_Narrowband_r13 - 1;
|
|
hi_dci0_pdu->mpdcch_dci_pdu.mpdcch_dci_pdu_rel13.number_of_prb_pairs = 6; // checked above that it has to be this
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hi_dci0_pdu->mpdcch_dci_pdu.mpdcch_dci_pdu_rel13.resource_block_assignment = 0; // Note: this can be dynamic
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hi_dci0_pdu->mpdcch_dci_pdu.mpdcch_dci_pdu_rel13.mpdcch_transmission_type = epdcch_setconfig_r11->transmissionType_r11; // distibuted
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AssertFatal(UE_template->physicalConfigDedicated->ext4->epdcch_Config_r11->config_r11.choice.setup.startSymbol_r11 != NULL,
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"UE_template->physicalConfigDedicated->ext4->epdcch_Config_r11->config_r11.choice.setup.startSymbol_r11 is null\n");
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hi_dci0_pdu->mpdcch_dci_pdu.mpdcch_dci_pdu_rel13.start_symbol = *UE_template->physicalConfigDedicated->ext4->epdcch_Config_r11->config_r11.choice.setup.startSymbol_r11;
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hi_dci0_pdu->mpdcch_dci_pdu.mpdcch_dci_pdu_rel13.ecce_index = 0; // Note: this should be dynamic
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hi_dci0_pdu->mpdcch_dci_pdu.mpdcch_dci_pdu_rel13.aggreagation_level = 24; // OK for CEModeA r1-3 (9.1.5-1b) or CEModeB r1-4
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hi_dci0_pdu->mpdcch_dci_pdu.mpdcch_dci_pdu_rel13.rnti_type = 4; // other
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hi_dci0_pdu->mpdcch_dci_pdu.mpdcch_dci_pdu_rel13.rnti = rnti;
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hi_dci0_pdu->mpdcch_dci_pdu.mpdcch_dci_pdu_rel13.ce_mode = (UE_template->rach_resource_type < 3) ? 1 : 2;
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hi_dci0_pdu->mpdcch_dci_pdu.mpdcch_dci_pdu_rel13.drms_scrambling_init = epdcch_setconfig_r11->dmrs_ScramblingSequenceInt_r11;
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hi_dci0_pdu->mpdcch_dci_pdu.mpdcch_dci_pdu_rel13.initial_transmission_sf_io = (frameP * 10) + subframeP;
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hi_dci0_pdu->mpdcch_dci_pdu.mpdcch_dci_pdu_rel13.transmission_power = 6000; // 0dB
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hi_dci0_pdu->mpdcch_dci_pdu.mpdcch_dci_pdu_rel13.resource_block_start = UE_template->first_rb_ul[harq_pid];
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hi_dci0_pdu->mpdcch_dci_pdu.mpdcch_dci_pdu_rel13.number_of_resource_blocks = 6;
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hi_dci0_pdu->mpdcch_dci_pdu.mpdcch_dci_pdu_rel13.mcs = 4; // adjust according to size of RAR, 208 bits with N1A_PRB=3
|
|
hi_dci0_pdu->mpdcch_dci_pdu.mpdcch_dci_pdu_rel13.pusch_repetition_levels = 0;
|
|
AssertFatal(epdcch_setconfig_r11->ext2->mpdcch_config_r13->choice.setup.mpdcch_pdsch_HoppingConfig_r13 == LTE_EPDCCH_SetConfig_r11__ext2__mpdcch_config_r13__setup__mpdcch_pdsch_HoppingConfig_r13_off,
|
|
"epdcch_setconfig_r11->ext2->mpdcch_config_r13->mpdcch_pdsch_HoppingConfig_r13 is not off\n");
|
|
hi_dci0_pdu->mpdcch_dci_pdu.mpdcch_dci_pdu_rel13.frequency_hopping_flag = 1 - epdcch_setconfig_r11->ext2->mpdcch_config_r13->choice.setup.mpdcch_pdsch_HoppingConfig_r13;
|
|
hi_dci0_pdu->mpdcch_dci_pdu.mpdcch_dci_pdu_rel13.redudency_version = rvidx_tab[round_UL&3];
|
|
hi_dci0_pdu->mpdcch_dci_pdu.mpdcch_dci_pdu_rel13.new_data_indication = UE_template->oldNDI_UL[harq_pid];
|
|
hi_dci0_pdu->mpdcch_dci_pdu.mpdcch_dci_pdu_rel13.harq_process = harq_pid;
|
|
hi_dci0_pdu->mpdcch_dci_pdu.mpdcch_dci_pdu_rel13.tpc = tpc;
|
|
hi_dci0_pdu->mpdcch_dci_pdu.mpdcch_dci_pdu_rel13.csi_request = cqi_req;
|
|
hi_dci0_pdu->mpdcch_dci_pdu.mpdcch_dci_pdu_rel13.ul_inex = 0;
|
|
hi_dci0_pdu->mpdcch_dci_pdu.mpdcch_dci_pdu_rel13.dai_presence_flag = 0;
|
|
hi_dci0_pdu->mpdcch_dci_pdu.mpdcch_dci_pdu_rel13.dl_assignment_index = 0;
|
|
hi_dci0_pdu->mpdcch_dci_pdu.mpdcch_dci_pdu_rel13.srs_request = 0;
|
|
hi_dci0_pdu->mpdcch_dci_pdu.mpdcch_dci_pdu_rel13.dci_subframe_repetition_number = 0;
|
|
hi_dci0_pdu->mpdcch_dci_pdu.mpdcch_dci_pdu_rel13.tcp_bitmap = 0;
|
|
hi_dci0_pdu->mpdcch_dci_pdu.mpdcch_dci_pdu_rel13.total_dci_length_include_padding = 29; // hard-coded for 10 MHz
|
|
hi_dci0_pdu->mpdcch_dci_pdu.mpdcch_dci_pdu_rel13.number_of_tx_antenna_ports = 1;
|
|
hi_dci0_req->number_of_dci++;
|
|
fill_nfapi_ulsch_config_request_rel8(&ul_req_tmp->ul_config_pdu_list[ul_req_tmp->number_of_pdus],
|
|
cqi_req,
|
|
cc,
|
|
UE_template->physicalConfigDedicated,
|
|
get_tmode(module_idP,CC_id,UE_id),
|
|
eNB->ul_handle,
|
|
rnti,
|
|
UE_template->first_rb_ul[harq_pid], // resource_block_start
|
|
UE_template->nb_rb_ul[harq_pid], // number_of_resource_blocks
|
|
UE_template->mcs_UL[harq_pid],
|
|
cshift, // cyclic_shift_2_for_drms
|
|
0, // frequency_hopping_enabled_flag
|
|
0, // frequency_hopping_bits
|
|
UE_template->oldNDI_UL[harq_pid], // new_data_indication
|
|
rvidx_tab[round_UL&3], // redundancy_version
|
|
harq_pid, // harq_process_number
|
|
0, // ul_tx_mode
|
|
0, // current_tx_nb
|
|
0, // n_srs
|
|
UE_template->TBS_UL[harq_pid]
|
|
);
|
|
fill_nfapi_ulsch_config_request_emtc(&ul_req_tmp->ul_config_pdu_list[ul_req_tmp->number_of_pdus],
|
|
UE_template->rach_resource_type>2 ? 2 : 1,
|
|
1, //total_number_of_repetitions
|
|
1, //repetition_number
|
|
(frameP * 10) + subframeP);
|
|
ul_req_tmp->number_of_pdus++;
|
|
eNB->ul_handle++;
|
|
}
|
|
} // UE_is_to_be_scheduled
|
|
} // ULCCs
|
|
} // loop over UE_id
|
|
} // Schedule new ULSCH
|
|
|
|
// This section is to repeat ULSCH PDU for a number of MTC repetitions
|
|
for(int i=0; i<ul_req_tmp->number_of_pdus; i++) {
|
|
ul_config_pdu = &ul_req_tmp->ul_config_pdu_list[i];
|
|
|
|
if (ul_config_pdu->pdu_type!=NFAPI_UL_CONFIG_ULSCH_PDU_TYPE) // Repeat ULSCH PDUs only
|
|
continue ;
|
|
|
|
if(ul_config_pdu->ulsch_pdu.ulsch_pdu_rel13.repetition_number < ul_config_pdu->ulsch_pdu.ulsch_pdu_rel13.total_number_of_repetitions) {
|
|
ul_req_body_Rep = &eNB->UL_req_tmp[CC_id][(sched_subframeP+1)%10].ul_config_request_body;
|
|
ul_config_pdu_Rep = &ul_req_body_Rep->ul_config_pdu_list[ul_req_body_Rep->number_of_pdus];
|
|
memcpy ((void *) ul_config_pdu_Rep, ul_config_pdu, sizeof (nfapi_ul_config_request_pdu_t));
|
|
ul_config_pdu_Rep->ulsch_pdu.ulsch_pdu_rel8.handle = eNB->ul_handle++;
|
|
ul_config_pdu_Rep->ulsch_pdu.ulsch_pdu_rel13.repetition_number = ul_config_pdu->ulsch_pdu.ulsch_pdu_rel13.repetition_number +1;
|
|
ul_req_body_Rep->number_of_pdus++;
|
|
} //repetition_number < total_number_of_repetitions
|
|
} // For loop on PDUs
|
|
}
|