From a6098dbf09d5bc7caa3bd544c2594dec054a5608 Mon Sep 17 00:00:00 2001 From: Robert Schmidt <robert.schmidt@eurecom.fr> Date: Mon, 15 Jan 2018 18:31:37 +0100 Subject: [PATCH] delete unnecessary FlexRAN source files all the FlexRAN scheduling code is now also handled by the general OAI scheduling code --- cmake_targets/CMakeLists.txt | 22 - .../CONTROL_MODULES/MAC/flexran_agent_mac.c | 2 - openair2/LAYER2/MAC/eNB_scheduler.c | 1 - openair2/LAYER2/MAC/eNB_scheduler_dlsch.c | 2 +- openair2/LAYER2/MAC/flexran_agent_mac_proto.h | 323 --- .../MAC/flexran_agent_scheduler_dataplane.c | 583 ------ .../MAC/flexran_agent_scheduler_dlsch_ue.c | 1814 ----------------- .../flexran_agent_scheduler_dlsch_ue_remote.c | 202 -- .../flexran_agent_scheduler_dlsch_ue_remote.h | 70 - .../MAC/flexran_agent_scheduler_ulsch_ue.c | 1112 ---------- openair2/LAYER2/MAC/flexran_dci_conversions.h | 51 - 11 files changed, 1 insertion(+), 4181 deletions(-) delete mode 100644 openair2/LAYER2/MAC/flexran_agent_mac_proto.h delete mode 100644 openair2/LAYER2/MAC/flexran_agent_scheduler_dataplane.c delete mode 100644 openair2/LAYER2/MAC/flexran_agent_scheduler_dlsch_ue.c delete mode 100644 openair2/LAYER2/MAC/flexran_agent_scheduler_dlsch_ue_remote.c delete mode 100644 openair2/LAYER2/MAC/flexran_agent_scheduler_dlsch_ue_remote.h delete mode 100644 openair2/LAYER2/MAC/flexran_agent_scheduler_ulsch_ue.c delete mode 100644 openair2/LAYER2/MAC/flexran_dci_conversions.h diff --git a/cmake_targets/CMakeLists.txt b/cmake_targets/CMakeLists.txt index da0c3fbc1f..b659819e25 100644 --- a/cmake_targets/CMakeLists.txt +++ b/cmake_targets/CMakeLists.txt @@ -1191,17 +1191,6 @@ set (MAC_SRC ${MAC_DIR}/config.c ) -if (FLEXRAN_AGENT_SB_IF) - -set (MAC_SRC ${MAC_SRC} - ${MAC_DIR}/flexran_agent_scheduler_dlsch_ue.c - ${MAC_DIR}/flexran_agent_scheduler_ulsch_ue.c - ${MAC_DIR}/flexran_agent_scheduler_dataplane.c - ${MAC_DIR}/flexran_agent_scheduler_dlsch_ue_remote.c -) - -endif() - set (ENB_APP_SRC ${OPENAIR2_DIR}/ENB_APP/enb_app.c ${OPENAIR2_DIR}/ENB_APP/enb_config.c @@ -1213,17 +1202,6 @@ add_library(L2 ${ENB_APP_SRC}) # ${OPENAIR2_DIR}/RRC/L2_INTERFACE/openair_rrc_L2_interface.c) -if (FLEXRAN_AGENT_SB_IF) - -#Test for adding a shared library -add_library(default_sched SHARED ${MAC_DIR}/flexran_agent_scheduler_dlsch_ue.c) -add_library(remote_sched SHARED ${MAC_DIR}/flexran_agent_scheduler_dlsch_ue_remote.c) - -add_library(default_ul_sched SHARED ${MAC_DIR}/flexran_agent_scheduler_ulsch_ue.c) - - -endif() - # L3 Libs ########################## diff --git a/openair2/ENB_APP/CONTROL_MODULES/MAC/flexran_agent_mac.c b/openair2/ENB_APP/CONTROL_MODULES/MAC/flexran_agent_mac.c index 02350eb0c1..d60a9eb3b7 100644 --- a/openair2/ENB_APP/CONTROL_MODULES/MAC/flexran_agent_mac.c +++ b/openair2/ENB_APP/CONTROL_MODULES/MAC/flexran_agent_mac.c @@ -35,8 +35,6 @@ #include "flexran_agent_ran_api.h" #include "LAYER2/MAC/proto.h" -#include "LAYER2/MAC/flexran_agent_mac_proto.h" -#include "LAYER2/MAC/flexran_agent_scheduler_dlsch_ue_remote.h" #include "liblfds700.h" diff --git a/openair2/LAYER2/MAC/eNB_scheduler.c b/openair2/LAYER2/MAC/eNB_scheduler.c index 432915eb8c..1195e05379 100644 --- a/openair2/LAYER2/MAC/eNB_scheduler.c +++ b/openair2/LAYER2/MAC/eNB_scheduler.c @@ -56,7 +56,6 @@ //Agent-related headers #include "flexran_agent_extern.h" #include "flexran_agent_mac.h" -#include "flexran_agent_mac_proto.h" #endif #if defined(ENABLE_ITTI) diff --git a/openair2/LAYER2/MAC/eNB_scheduler_dlsch.c b/openair2/LAYER2/MAC/eNB_scheduler_dlsch.c index 0d9f129fa6..a0da4f4961 100644 --- a/openair2/LAYER2/MAC/eNB_scheduler_dlsch.c +++ b/openair2/LAYER2/MAC/eNB_scheduler_dlsch.c @@ -62,7 +62,7 @@ #include "flexran_agent_ran_api.h" #include "header.pb-c.h" #include "flexran.pb-c.h" -#include "flexran_agent_mac.h" +#endif #include <dlfcn.h> #endif diff --git a/openair2/LAYER2/MAC/flexran_agent_mac_proto.h b/openair2/LAYER2/MAC/flexran_agent_mac_proto.h deleted file mode 100644 index be61fa1590..0000000000 --- a/openair2/LAYER2/MAC/flexran_agent_mac_proto.h +++ /dev/null @@ -1,323 +0,0 @@ -/* - * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more - * contributor license agreements. See the NOTICE file distributed with - * this work for additional information regarding copyright ownership. - * The OpenAirInterface Software Alliance licenses this file to You under - * the OAI Public License, Version 1.1 (the "License"); you may not use this file - * except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.openairinterface.org/?page_id=698 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - *------------------------------------------------------------------------------- - * For more information about the OpenAirInterface (OAI) Software Alliance: - * contact@openairinterface.org - */ - -/*! \file flexran_agent_mac_proto.h - * \brief MAC functions for FlexRAN agent - * \author Xenofon Foukas and Navid Nikaein - * \date 2016 - * \email: x.foukas@sms.ed.ac.uk - * \version 0.1 - * @ingroup _mac - - */ - -#ifndef __LAYER2_MAC_FLEXRAN_AGENT_MAC_PROTO_H__ -#define __LAYER2_MAC_FLEXRAN_AGENT_MAC_PROTO_H__ - -#include "flexran_agent_defs.h" -#include "header.pb-c.h" -#include "flexran.pb-c.h" - -/* - * slice specific scheduler - */ -typedef void (*slice_scheduler_dl)(module_id_t mod_id, - int slice_id, - uint32_t frame, - uint32_t subframe, - int *mbsfn_flag, - Protocol__FlexranMessage **dl_info); - -typedef void (*slice_scheduler_ul)(module_id_t mod_id, - frame_t frame, - unsigned char cooperation_flag, - uint32_t subframe, - unsigned char sched_subframe, - Protocol__FlexranMessage **ul_info); - - -/* - * top level flexran scheduler used by the eNB scheduler - */ -void flexran_schedule_ue_dl_spec_default(mid_t mod_id, - uint32_t frame, - uint32_t subframe, - int *mbsfn_flag, - Protocol__FlexranMessage ** dl_info); -/* - * slice specific scheduler for embb - */ -void -flexran_schedule_ue_spec_embb(mid_t mod_id, - int slice_id, - uint32_t frame, - uint32_t subframe, - int *mbsfn_flag, - Protocol__FlexranMessage ** dl_info); -/* - * slice specific scheduler for urllc - */ -void -flexran_schedule_ue_spec_urllc(mid_t mod_id, - int slice_id, - uint32_t frame, - uint32_t subframe, - int *mbsfn_flag, - Protocol__FlexranMessage ** dl_info); - -/* - * slice specific scheduler for mmtc - */ -void -flexran_schedule_ue_spec_mmtc(mid_t mod_id, - int slice_id, - uint32_t frame, - uint32_t subframe, - int *mbsfn_flag, - Protocol__FlexranMessage ** dl_info); -/* - * slice specific scheduler for best effort traffic - */ -void -flexran_schedule_ue_spec_be(mid_t mod_id, - int slice_id, - uint32_t frame, - uint32_t subframe, - int *mbsfn_flag, - Protocol__FlexranMessage ** dl_info); - -/* - * common flexran scheduler function - */ -void -<<<<<<< HEAD -flexran_schedule_ue_spec_common(mid_t mod_id, - int slice_id, - uint32_t frame, - uint32_t subframe, - int *mbsfn_flag, - Protocol__FlexranMessage ** dl_info); - -uint16_t flexran_nb_rbs_allowed_slice(float rb_percentage, int total_rbs); - -int flexran_slice_member(int UE_id, int slice_id); - -int flexran_slice_maxmcs(int slice_id); - -void _store_dlsch_buffer(module_id_t Mod_id, - int slice_id, - frame_t frameP, sub_frame_t subframeP); - - -void _assign_rbs_required(module_id_t Mod_id, - int slice_id, - frame_t frameP, - sub_frame_t subframe, - uint16_t - nb_rbs_required[MAX_NUM_CCs][NUMBER_OF_UE_MAX], - uint16_t - nb_rbs_allowed_slice[MAX_NUM_CCs] - [MAX_NUM_SLICES], int min_rb_unit[MAX_NUM_CCs]); - -void _dlsch_scheduler_pre_processor(module_id_t Mod_id, - int slice_id, - frame_t frameP, - sub_frame_t subframeP, - int N_RBG[MAX_NUM_CCs], - int *mbsfn_flag); - -void _dlsch_scheduler_pre_processor_reset(int module_idP, - int UE_id, - uint8_t CC_id, - int frameP, - int subframeP, - int N_RBG, - uint16_t - nb_rbs_required[MAX_NUM_CCs] - [NUMBER_OF_UE_MAX], - uint16_t - nb_rbs_required_remaining - [MAX_NUM_CCs][NUMBER_OF_UE_MAX], - uint16_t - nb_rbs_allowed_slice[MAX_NUM_CCs] - [MAX_NUM_SLICES], - unsigned char - rballoc_sub[MAX_NUM_CCs] - [N_RBG_MAX], - unsigned char - MIMO_mode_indicator[MAX_NUM_CCs] - [N_RBG_MAX]); - -void _dlsch_scheduler_pre_processor_allocate(module_id_t Mod_id, - int UE_id, - uint8_t CC_id, - int N_RBG, - int transmission_mode, - int min_rb_unit, - uint8_t N_RB_DL, - uint16_t - nb_rbs_required[MAX_NUM_CCs] - [NUMBER_OF_UE_MAX], - uint16_t - nb_rbs_required_remaining - [MAX_NUM_CCs] - [NUMBER_OF_UE_MAX], - unsigned char - rballoc_sub[MAX_NUM_CCs] - [N_RBG_MAX], - unsigned char - MIMO_mode_indicator - [MAX_NUM_CCs][N_RBG_MAX]); -======= -flexran_schedule_ue_dl_spec_common(mid_t mod_id, - int slice_id, - uint32_t frame, - uint32_t subframe, - int *mbsfn_flag, - Protocol__FlexranMessage **dl_info); - -void -flexran_schedule_ue_ul_spec_default(mid_t mod_id, - uint32_t frame, - uint32_t cooperation_flag, - int subframe, - unsigned char sched_subframe, - Protocol__FlexranMessage **ul_info); - - -uint16_t flexran_nb_rbs_allowed_slice(float rb_percentage, - int total_rbs); - -int flexran_slice_member(int UE_id, - int slice_id); - -int flexran_slice_maxmcs(int slice_id) ; - -/* Downlink Primitivies */ - -void _store_dlsch_buffer (module_id_t Mod_id, - int slice_id, - frame_t frameP, - sub_frame_t subframeP); - - -void _assign_rbs_required (module_id_t Mod_id, - int slice_id, - frame_t frameP, - sub_frame_t subframe, - uint16_t nb_rbs_required[MAX_NUM_CCs][NUMBER_OF_UE_MAX], - uint16_t nb_rbs_allowed_slice[MAX_NUM_CCs][MAX_NUM_SLICES], - int min_rb_unit[MAX_NUM_CCs]); - - -/* Uplink Primitivies */ - -// void _sort_ue_ul (module_id_t module_idP,int frameP, sub_frame_t subframeP); - -void _assign_max_mcs_min_rb(module_id_t module_idP, int slice_id, int frameP, sub_frame_t subframeP, uint16_t *first_rb); - - -void _ulsch_scheduler_pre_processor(module_id_t module_idP, - int slice_id, - int frameP, - sub_frame_t subframeP, - uint16_t *first_rb); - - -void flexran_agent_schedule_ulsch_rnti(module_id_t module_idP, - unsigned char cooperation_flag, - frame_t frameP, - sub_frame_t subframeP, - unsigned char sched_subframe, - uint16_t *first_rb); - -/* Downlink Primitives */ - -void _dlsch_scheduler_pre_processor (module_id_t Mod_id, - int slice_id, - frame_t frameP, - sub_frame_t subframeP, - int N_RBG[MAX_NUM_CCs], - int *mbsfn_flag); - -void _dlsch_scheduler_pre_processor_reset (int module_idP, - int UE_id, - uint8_t CC_id, - int frameP, - int subframeP, - int N_RBG, - uint16_t nb_rbs_required[MAX_NUM_CCs][NUMBER_OF_UE_MAX], - uint16_t nb_rbs_required_remaining[MAX_NUM_CCs][NUMBER_OF_UE_MAX], - uint16_t nb_rbs_allowed_slice[MAX_NUM_CCs][MAX_NUM_SLICES], - unsigned char rballoc_sub[MAX_NUM_CCs][N_RBG_MAX], - unsigned char MIMO_mode_indicator[MAX_NUM_CCs][N_RBG_MAX]); - -void _dlsch_scheduler_pre_processor_allocate (module_id_t Mod_id, - int UE_id, - uint8_t CC_id, - int N_RBG, - int transmission_mode, - int min_rb_unit, - uint8_t N_RB_DL, - uint16_t nb_rbs_required[MAX_NUM_CCs][NUMBER_OF_UE_MAX], - uint16_t nb_rbs_required_remaining[MAX_NUM_CCs][NUMBER_OF_UE_MAX], - unsigned char rballoc_sub[MAX_NUM_CCs][N_RBG_MAX], - unsigned char MIMO_mode_indicator[MAX_NUM_CCs][N_RBG_MAX]); ->>>>>>> feature-68-enb-agent - -/* - * Default scheduler used by the eNB agent - */ -void flexran_schedule_ue_dl_spec_default(mid_t mod_id, uint32_t frame, uint32_t subframe, - int *mbsfn_flag, Protocol__FlexranMessage **dl_info); - -/* - Uplink scheduler used by MAC agent -*/ - -void flexran_agent_schedule_ulsch_ue_spec(module_id_t module_idP, frame_t frameP, unsigned char cooperation_flag, - sub_frame_t subframeP, - unsigned char sched_subframe, Protocol__FlexranMessage **ul_info); - -/* - * Data plane function for applying the DL decisions of the scheduler - */ -void flexran_apply_scheduling_decisions(mid_t mod_id, uint32_t frame, uint32_t subframe, int *mbsfn_flag, - Protocol__FlexranMessage *dl_scheduling_info); - -/* - * Data plane function for applying the UE specific DL decisions of the scheduler - */ -void flexran_apply_ue_spec_scheduling_decisions(mid_t mod_id, - uint32_t frame, - uint32_t subframe, - int *mbsfn_flag, - uint32_t n_dl_ue_data, - Protocol__FlexDlData ** - dl_ue_data); - -/* - * Data plane function for filling the DCI structure - */ -void flexran_fill_oai_dci(mid_t mod_id, uint32_t CC_id, uint32_t rnti, - Protocol__FlexDlDci * dl_dci); - -#endif diff --git a/openair2/LAYER2/MAC/flexran_agent_scheduler_dataplane.c b/openair2/LAYER2/MAC/flexran_agent_scheduler_dataplane.c deleted file mode 100644 index 6b1c2579b2..0000000000 --- a/openair2/LAYER2/MAC/flexran_agent_scheduler_dataplane.c +++ /dev/null @@ -1,583 +0,0 @@ -/* - * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more - * contributor license agreements. See the NOTICE file distributed with - * this work for additional information regarding copyright ownership. - * The OpenAirInterface Software Alliance licenses this file to You under - * the OAI Public License, Version 1.1 (the "License"); you may not use this file - * except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.openairinterface.org/?page_id=698 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - *------------------------------------------------------------------------------- - * For more information about the OpenAirInterface (OAI) Software Alliance: - * contact@openairinterface.org - */ - -/*! \file flexran_agent_scheduler_dataplane.c - * \brief data plane procedures related to eNB scheduling - * \author Xenofon Foukas - * \date 2016 - * \email: x.foukas@sms.ed.ac.uk - * \version 0.1 - * @ingroup _mac - - */ - -#include "assertions.h" -#include "PHY/defs.h" -#include "PHY/extern.h" - -#include "SCHED/defs.h" -#include "SCHED/extern.h" - -#include "LAYER2/MAC/flexran_agent_mac_proto.h" -#include "LAYER2/MAC/defs.h" -#include "LAYER2/MAC/proto.h" -#include "LAYER2/MAC/extern.h" -#include "LAYER2/MAC/flexran_dci_conversions.h" - -#include "UTIL/LOG/log.h" -#include "UTIL/LOG/vcd_signal_dumper.h" -#include "UTIL/OPT/opt.h" -#include "OCG.h" -#include "OCG_extern.h" - -#include "RRC/LITE/extern.h" -#include "RRC/L2_INTERFACE/openair_rrc_L2_interface.h" - -#include "header.pb-c.h" -#include "flexran.pb-c.h" -#include "flexran_agent_extern.h" - -#include "flexran_agent_common.h" - -#include "SIMULATION/TOOLS/defs.h" // for taus - -void -flexran_apply_dl_scheduling_decisions(mid_t mod_id, - uint32_t frame, - uint32_t subframe, - int *mbsfn_flag, - Protocol__FlexranMessage * - dl_scheduling_info) -{ - - Protocol__FlexDlMacConfig *mac_config = - dl_scheduling_info->dl_mac_config_msg; - - // Check if there is anything to schedule for random access - if (mac_config->n_dl_rar > 0) { - /*TODO: call the random access data plane function */ - } - // Check if there is anything to schedule for paging/broadcast - if (mac_config->n_dl_broadcast > 0) { - /*TODO: call the broadcast/paging data plane function */ - } - // Check if there is anything to schedule for the UEs - if (mac_config->n_dl_ue_data > 0) { - flexran_apply_ue_spec_scheduling_decisions(mod_id, frame, subframe, - mbsfn_flag, - mac_config-> - n_dl_ue_data, - mac_config->dl_ue_data); - } - -} - -void -flexran_apply_ue_spec_scheduling_decisions(mid_t mod_id, - uint32_t frame, - uint32_t subframe, - int *mbsfn_flag, - uint32_t n_dl_ue_data, - Protocol__FlexDlData ** - dl_ue_data) -{ - - uint8_t CC_id; - int UE_id; - mac_rlc_status_resp_t rlc_status; - unsigned char ta_len = 0; - unsigned char header_len = 0, header_len_tmp = 0; - unsigned char sdu_lcids[11], offset, num_sdus = 0; - uint16_t nb_rb; - uint16_t TBS, sdu_lengths[11], rnti, padding = 0, post_padding = 0; - unsigned char dlsch_buffer[MAX_DLSCH_PAYLOAD_BYTES]; - uint8_t round = 0; - uint8_t harq_pid = 0; - // LTE_DL_FRAME_PARMS *frame_parms[MAX_NUM_CCs]; - LTE_eNB_UE_stats *eNB_UE_stats = NULL; - uint16_t sdu_length_total = 0; - short ta_update = 0; - eNB_MAC_INST *eNB = &eNB_mac_inst[mod_id]; - UE_list_t *UE_list = &eNB->UE_list; - // static int32_t tpc_accumulated=0; - UE_sched_ctrl *ue_sched_ctl; - - int last_sdu_header_len = 0; - - int i, j; - - Protocol__FlexDlData *dl_data; - Protocol__FlexDlDci *dl_dci; - - uint32_t rlc_size, n_lc, lcid; - - // For each UE-related command - for (i = 0; i < n_dl_ue_data; i++) { - - dl_data = dl_ue_data[i]; - dl_dci = dl_data->dl_dci; - - CC_id = dl_data->serv_cell_index; - // frame_parms[CC_id] = mac_xface->get_lte_frame_parms(mod_id, CC_id); - - rnti = dl_data->rnti; - UE_id = find_ue(rnti, PHY_vars_eNB_g[mod_id][CC_id]); - - ue_sched_ctl = &UE_list->UE_sched_ctrl[UE_id]; - eNB_UE_stats = mac_xface->get_eNB_UE_stats(mod_id, CC_id, rnti); - - round = dl_dci->rv[0]; - harq_pid = dl_dci->harq_process; - - //LOG_I(FLEXRAN_AGENT, "[Frame %d][Subframe %d] Scheduling harq %d\n", frame, subframe, harq_pid); - // LOG_I(FLEXRAN_AGENT, "[Frame %d][Subframe %d]Now scheduling harq_pid %d (round %d)\n", frame, subframe, harq_pid, round); - - // If this is a new transmission - if (round == 0) { - // First we have to deal with the creation of the PDU based on the message instructions - rlc_status.bytes_in_buffer = 0; - - TBS = dl_dci->tbs_size[0]; - - if (dl_data->n_ce_bitmap > 0) { - //Check if there is TA command and set the length appropriately - ta_len = - (dl_data-> - ce_bitmap[0] & PROTOCOL__FLEX_CE_TYPE__FLPCET_TA) ? 2 - : 0; - } - - num_sdus = 0; - sdu_length_total = 0; - - n_lc = dl_data->n_rlc_pdu; - // Go through each one of the channel commands and create SDUs - header_len = 0; - last_sdu_header_len = 0; - for (j = 0; j < n_lc; j++) { - sdu_lengths[j] = 0; - lcid = - dl_data->rlc_pdu[j]->rlc_pdu_tb[0]->logical_channel_id; - rlc_size = dl_data->rlc_pdu[j]->rlc_pdu_tb[0]->size; - LOG_D(MAC, - "[TEST] [eNB %d] [Frame %d] [Subframe %d], LCID %d, CC_id %d, Requesting %d bytes from RLC (RRC message)\n", - mod_id, frame, subframe, lcid, CC_id, rlc_size); - if (rlc_size > 0) { - - rlc_status = mac_rlc_status_ind(mod_id, - rnti, - mod_id, - frame, - subframe, - ENB_FLAG_YES, - MBMS_FLAG_NO, lcid, 0); - - if (rlc_status.bytes_in_buffer > 0) { - - if (rlc_status.bytes_in_buffer < rlc_size) { - rlc_size = rlc_status.bytes_in_buffer; - } - - if (rlc_size <= 2) { - rlc_size = 3; - } - - rlc_status = mac_rlc_status_ind(mod_id, rnti, mod_id, frame, subframe, ENB_FLAG_YES, MBMS_FLAG_NO, lcid, rlc_size); // transport block set size - - LOG_D(MAC, - "[TEST] RLC can give %d bytes for LCID %d during second call\n", - rlc_status.bytes_in_buffer, lcid); - - if (rlc_status.bytes_in_buffer > 0) { - - sdu_lengths[j] = mac_rlc_data_req(mod_id, rnti, mod_id, frame, ENB_FLAG_YES, MBMS_FLAG_NO, lcid, rlc_size, //not used - (char *) - &dlsch_buffer - [sdu_length_total]); - - LOG_D(MAC, - "[eNB %d][LCID %d] CC_id %d Got %d bytes from RLC\n", - mod_id, lcid, CC_id, sdu_lengths[j]); - sdu_length_total += sdu_lengths[j]; - sdu_lcids[j] = lcid; - - UE_list-> - eNB_UE_stats[CC_id][UE_id].num_pdu_tx[lcid] - += 1; - UE_list-> - eNB_UE_stats[CC_id][UE_id].num_bytes_tx - [lcid] += sdu_lengths[j]; - - if (sdu_lengths[j] < 128) { - header_len += 2; - last_sdu_header_len = 2; - } else { - header_len += 3; - last_sdu_header_len = 3; - } - num_sdus++; - } - } - } - } // SDU creation end - - - if (((sdu_length_total + header_len + ta_len) > 0)) { - - header_len_tmp = header_len; - - // If we have only a single SDU, header length becomes 1 - if ((num_sdus) == 1) { - //if (header_len == 2 || header_len == 3) { - header_len = 1; - } else { - header_len = (header_len - last_sdu_header_len) + 1; - } - - // If we need a 1 or 2 bit padding or no padding at all - if ((TBS - header_len - sdu_length_total - ta_len) <= 2 || (TBS - header_len - sdu_length_total - ta_len) > TBS) { //protect from overflow - padding = - (TBS - header_len - sdu_length_total - ta_len); - post_padding = 0; - } else { // The last sdu needs to have a length field, since we add padding - padding = 0; - header_len = header_len_tmp; - post_padding = TBS - sdu_length_total - header_len - ta_len; // 1 is for the postpadding header - } - - if (ta_len > 0) { - // Reset the measurement - ta_update = flexran_get_TA(mod_id, UE_id, CC_id); - ue_sched_ctl->ta_timer = 20; - eNB_UE_stats->timing_advance_update = 0; - } else { - ta_update = 0; - } - - // If there is nothing to schedule, just leave - if ((sdu_length_total) <= 0) { - harq_pid_updated[UE_id][harq_pid] = 1; - harq_pid_round[UE_id][harq_pid] = 0; - continue; - } - // LOG_I(FLEXRAN_AGENT, "[Frame %d][Subframe %d] TBS is %d and bytes are %d\n", frame, subframe, TBS, sdu_length_total); - - offset = generate_dlsch_header((unsigned char *) UE_list->DLSCH_pdu[CC_id][0][UE_id].payload[0], num_sdus, //num_sdus - sdu_lengths, // - sdu_lcids, 255, // no drx - ta_update, // timing advance - NULL, // contention res id - padding, post_padding); - -#ifdef DEBUG_eNB_SCHEDULER - LOG_T(MAC, "[eNB %d] First 16 bytes of DLSCH : \n"); - - for (i = 0; i < 16; i++) { - LOG_T(MAC, "%x.", dlsch_buffer[i]); - } - - LOG_T(MAC, "\n"); -#endif - // cycle through SDUs and place in dlsch_buffer - memcpy(&UE_list->DLSCH_pdu[CC_id][0][UE_id]. - payload[0][offset], dlsch_buffer, sdu_length_total); - // memcpy(&eNB_mac_inst[0].DLSCH_pdu[0][0].payload[0][offset],dcch_buffer,sdu_lengths[0]); - - // fill remainder of DLSCH with random data - for (j = 0; j < (TBS - sdu_length_total - offset); j++) { - UE_list->DLSCH_pdu[CC_id][0][UE_id].payload[0][offset + - sdu_length_total - + j] = - (char) (taus() & 0xff); - } - - //eNB_mac_inst[0].DLSCH_pdu[0][0].payload[0][offset+sdu_lengths[0]+j] = (char)(taus()&0xff); - if (opt_enabled == 1) { - trace_pdu(1, - (uint8_t *) - UE_list->DLSCH_pdu[CC_id][0][UE_id]. - payload[0], TBS, mod_id, 3, UE_RNTI(mod_id, - UE_id), - eNB->frame, eNB->subframe, 0, 0); - LOG_D(OPT, - "[eNB %d][DLSCH] CC_id %d Frame %d rnti %x with size %d\n", - mod_id, CC_id, frame, UE_RNTI(mod_id, UE_id), - TBS); - } - // store stats - eNB->eNB_stats[CC_id].dlsch_bytes_tx += sdu_length_total; - eNB->eNB_stats[CC_id].dlsch_pdus_tx += 1; - UE_list->eNB_UE_stats[CC_id][UE_id].dl_cqi = - eNB_UE_stats->DL_cqi[0]; - - UE_list->eNB_UE_stats[CC_id][UE_id].crnti = rnti; - UE_list->eNB_UE_stats[CC_id][UE_id].rrc_status = - mac_eNB_get_rrc_status(mod_id, rnti); - UE_list->eNB_UE_stats[CC_id][UE_id].harq_pid = harq_pid; - UE_list->eNB_UE_stats[CC_id][UE_id].harq_round = round; - - //nb_rb = UE_list->UE_template[CC_id][UE_id].nb_rb[harq_pid]; - //Find the number of resource blocks and set them to the template for retransmissions - nb_rb = get_min_rb_unit(mod_id, CC_id); - uint16_t stats_tbs = - mac_xface->get_TBS_DL(dl_dci->mcs[0], nb_rb); - - while (stats_tbs < TBS) { - nb_rb += get_min_rb_unit(mod_id, CC_id); - stats_tbs = - mac_xface->get_TBS_DL(dl_dci->mcs[0], nb_rb); - } - - // LOG_I(FLEXRAN_AGENT, "The MCS was %d\n", dl_dci->mcs[0]); - - UE_list->eNB_UE_stats[CC_id][UE_id].rbs_used = nb_rb; - UE_list->eNB_UE_stats[CC_id][UE_id].total_rbs_used += - nb_rb; - UE_list->eNB_UE_stats[CC_id][UE_id].dlsch_mcs1 = - dl_dci->mcs[0]; - UE_list->eNB_UE_stats[CC_id][UE_id].dlsch_mcs2 = - dl_dci->mcs[0]; - UE_list->eNB_UE_stats[CC_id][UE_id].TBS = TBS; - - UE_list->eNB_UE_stats[CC_id][UE_id].overhead_bytes = - TBS - sdu_length_total; - UE_list->eNB_UE_stats[CC_id][UE_id].total_sdu_bytes += - sdu_length_total; - UE_list->eNB_UE_stats[CC_id][UE_id].total_pdu_bytes += TBS; - UE_list->eNB_UE_stats[CC_id][UE_id].total_num_pdus += 1; - - //eNB_UE_stats->dlsch_mcs1 = cqi_to_mcs[eNB_UE_stats->DL_cqi[0]]; - //eNB_UE_stats->dlsch_mcs1 = cmin(eNB_UE_stats->dlsch_mcs1, openair_daq_vars.target_ue_dl_mcs); - } else { - LOG_D(FLEXRAN_AGENT, - "No need to schedule a dci after all. Just drop it\n"); - harq_pid_updated[UE_id][harq_pid] = 1; - harq_pid_round[UE_id][harq_pid] = 0; - continue; - } - } else { - // No need to create anything apart of DCI in case of retransmission - /*TODO: Must add these */ - // eNB_UE_stats->dlsch_trials[round]++; - //UE_list->eNB_UE_stats[CC_id][UE_id].num_retransmission+=1; - //UE_list->eNB_UE_stats[CC_id][UE_id].rbs_used_retx=nb_rb; - //UE_list->eNB_UE_stats[CC_id][UE_id].total_rbs_used_retx+=nb_rb; - //UE_list->eNB_UE_stats[CC_id][UE_id].ncce_used_retx=nCCECC_id]; - } - - // UE_list->UE_template[CC_id][UE_id].oldNDI[dl_dci->harq_process] = dl_dci->ndi[0]; - // eNB_UE_stats->dlsch_mcs1 = dl_dci->mcs[0]; - - //Fill the proper DCI of OAI - flexran_fill_oai_dci(mod_id, CC_id, rnti, dl_dci); - } -} - -void -flexran_fill_oai_dci(mid_t mod_id, uint32_t CC_id, uint32_t rnti, - Protocol__FlexDlDci * dl_dci) -{ - - void *DLSCH_dci = NULL; - DCI_PDU *DCI_pdu; - - unsigned char harq_pid = 0; - // unsigned char round = 0; - LTE_DL_FRAME_PARMS *frame_parms[MAX_NUM_CCs]; - int size_bits = 0, size_bytes = 0; - eNB_MAC_INST *eNB = &eNB_mac_inst[mod_id]; - UE_list_t *UE_list = &eNB->UE_list; - LTE_eNB_UE_stats *eNB_UE_stats = NULL; - - int UE_id = find_ue(rnti, PHY_vars_eNB_g[mod_id][CC_id]); - - uint32_t format; - - harq_pid = dl_dci->harq_process; - // round = dl_dci->rv[0]; - - // Note this code is for a specific DCI format - DLSCH_dci = - (void *) UE_list->UE_template[CC_id][UE_id].DLSCH_DCI[harq_pid]; - DCI_pdu = &eNB->common_channels[CC_id].DCI_pdu; - - frame_parms[CC_id] = mac_xface->get_lte_frame_parms(mod_id, CC_id); - - if (dl_dci->has_tpc == 1) { - // Check if tpc has been set and reset measurement */ - if ((dl_dci->tpc == 0) || (dl_dci->tpc == 2)) { - eNB_UE_stats = - mac_xface->get_eNB_UE_stats(mod_id, CC_id, rnti); - eNB_UE_stats->Po_PUCCH_update = 0; - } - } - - - switch (frame_parms[CC_id]->N_RB_DL) { - case 6: - if (frame_parms[CC_id]->frame_type == TDD) { - if (dl_dci->format == PROTOCOL__FLEX_DCI_FORMAT__FLDCIF_1) { - FILL_DCI_TDD_1(DCI1_1_5MHz_TDD_t, DLSCH_dci, dl_dci); - size_bytes = sizeof(DCI1_1_5MHz_TDD_t); - size_bits = sizeof_DCI1_1_5MHz_TDD_t; - } else if (dl_dci->format == - PROTOCOL__FLEX_DCI_FORMAT__FLDCIF_2A) { - //TODO - } else if (dl_dci->format == - PROTOCOL__FLEX_DCI_FORMAT__FLDCIF_1D) { - //TODO - } - } else { - if (dl_dci->format == PROTOCOL__FLEX_DCI_FORMAT__FLDCIF_1) { - FILL_DCI_FDD_1(DCI1_1_5MHz_FDD_t, DLSCH_dci, dl_dci); - size_bytes = sizeof(DCI1_1_5MHz_FDD_t); - size_bits = sizeof_DCI1_1_5MHz_FDD_t; - } else if (dl_dci->format == - PROTOCOL__FLEX_DCI_FORMAT__FLDCIF_2A) { - //TODO - } else if (dl_dci->format == - PROTOCOL__FLEX_DCI_FORMAT__FLDCIF_1D) { - //TODO - } - } - break; - case 25: - if (frame_parms[CC_id]->frame_type == TDD) { - if (dl_dci->format == PROTOCOL__FLEX_DCI_FORMAT__FLDCIF_1) { - FILL_DCI_TDD_1(DCI1_5MHz_TDD_t, DLSCH_dci, dl_dci); - size_bytes = sizeof(DCI1_5MHz_TDD_t); - size_bits = sizeof_DCI1_5MHz_TDD_t; - } else if (dl_dci->format == - PROTOCOL__FLEX_DCI_FORMAT__FLDCIF_2A) { - //TODO - } else if (dl_dci->format == - PROTOCOL__FLEX_DCI_FORMAT__FLDCIF_1D) { - //TODO - } - } else { - if (dl_dci->format == PROTOCOL__FLEX_DCI_FORMAT__FLDCIF_1) { - FILL_DCI_FDD_1(DCI1_5MHz_FDD_t, DLSCH_dci, dl_dci); - size_bytes = sizeof(DCI1_5MHz_FDD_t); - size_bits = sizeof_DCI1_5MHz_FDD_t; - } else if (dl_dci->format == - PROTOCOL__FLEX_DCI_FORMAT__FLDCIF_2A) { - //TODO - } else if (dl_dci->format == - PROTOCOL__FLEX_DCI_FORMAT__FLDCIF_1D) { - //TODO - } - } - break; - case 50: - if (frame_parms[CC_id]->frame_type == TDD) { - if (dl_dci->format == PROTOCOL__FLEX_DCI_FORMAT__FLDCIF_1) { - FILL_DCI_TDD_1(DCI1_10MHz_TDD_t, DLSCH_dci, dl_dci); - size_bytes = sizeof(DCI1_10MHz_TDD_t); - size_bits = sizeof_DCI1_10MHz_TDD_t; - } else if (dl_dci->format == - PROTOCOL__FLEX_DCI_FORMAT__FLDCIF_2A) { - //TODO - } else if (dl_dci->format == - PROTOCOL__FLEX_DCI_FORMAT__FLDCIF_1D) { - //TODO - } - } else { - if (dl_dci->format == PROTOCOL__FLEX_DCI_FORMAT__FLDCIF_1) { - FILL_DCI_FDD_1(DCI1_10MHz_FDD_t, DLSCH_dci, dl_dci); - size_bytes = sizeof(DCI1_10MHz_FDD_t); - size_bits = sizeof_DCI1_10MHz_FDD_t; - } else if (dl_dci->format == - PROTOCOL__FLEX_DCI_FORMAT__FLDCIF_2A) { - //TODO - } else if (dl_dci->format == - PROTOCOL__FLEX_DCI_FORMAT__FLDCIF_1D) { - //TODO - } - } - break; - case 100: - if (frame_parms[CC_id]->frame_type == TDD) { - if (dl_dci->format == PROTOCOL__FLEX_DCI_FORMAT__FLDCIF_1) { - FILL_DCI_TDD_1(DCI1_20MHz_TDD_t, DLSCH_dci, dl_dci); - size_bytes = sizeof(DCI1_20MHz_TDD_t); - size_bits = sizeof_DCI1_20MHz_TDD_t; - } else if (dl_dci->format == - PROTOCOL__FLEX_DCI_FORMAT__FLDCIF_2A) { - //TODO - } else if (dl_dci->format == - PROTOCOL__FLEX_DCI_FORMAT__FLDCIF_1D) { - //TODO - } - } else { - if (dl_dci->format == PROTOCOL__FLEX_DCI_FORMAT__FLDCIF_1) { - FILL_DCI_FDD_1(DCI1_20MHz_FDD_t, DLSCH_dci, dl_dci); - size_bytes = sizeof(DCI1_20MHz_FDD_t); - size_bits = sizeof_DCI1_20MHz_FDD_t; - } else if (dl_dci->format == - PROTOCOL__FLEX_DCI_FORMAT__FLDCIF_2A) { - //TODO - } else if (dl_dci->format == - PROTOCOL__FLEX_DCI_FORMAT__FLDCIF_1D) { - //TODO - } - } - break; - } - - //Set format to the proper type - switch (dl_dci->format) { - case PROTOCOL__FLEX_DCI_FORMAT__FLDCIF_1: - format = format1; - break; - case PROTOCOL__FLEX_DCI_FORMAT__FLDCIF_1A: - format = format1A; - break; - case PROTOCOL__FLEX_DCI_FORMAT__FLDCIF_1B: - format = format1B; - break; - case PROTOCOL__FLEX_DCI_FORMAT__FLDCIF_1C: - format = format1C; - break; - case PROTOCOL__FLEX_DCI_FORMAT__FLDCIF_1D: - format = format1E_2A_M10PRB; - break; - case PROTOCOL__FLEX_DCI_FORMAT__FLDCIF_2: - format = format2; - break; - case PROTOCOL__FLEX_DCI_FORMAT__FLDCIF_2A: - format = format2A; - break; - case PROTOCOL__FLEX_DCI_FORMAT__FLDCIF_2B: - format = format2B; - break; - case PROTOCOL__FLEX_DCI_FORMAT__FLDCIF_3: - format = 3; - break; - default: - /*TODO: Need to deal with unsupported DCI type */ - return; - } - - add_ue_spec_dci(DCI_pdu, - DLSCH_dci, - rnti, - size_bytes, dl_dci->aggr_level, size_bits, format, 0); -} diff --git a/openair2/LAYER2/MAC/flexran_agent_scheduler_dlsch_ue.c b/openair2/LAYER2/MAC/flexran_agent_scheduler_dlsch_ue.c deleted file mode 100644 index 6445fa0845..0000000000 --- a/openair2/LAYER2/MAC/flexran_agent_scheduler_dlsch_ue.c +++ /dev/null @@ -1,1814 +0,0 @@ -/* - * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more - * contributor license agreements. See the NOTICE file distributed with - * this work for additional information regarding copyright ownership. - * The OpenAirInterface Software Alliance licenses this file to You under - * the OAI Public License, Version 1.1 (the "License"); you may not use this file - * except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.openairinterface.org/?page_id=698 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - *------------------------------------------------------------------------------- - * For more information about the OpenAirInterface (OAI) Software Alliance: - * contact@openairinterface.org - */ - -/*! \file flexran_agent_scheduler_dlsch_ue.c - * \brief procedures related to eNB for the DLSCH transport channel - * \author Xenofon Foukas, Navid Nikaein and Raymond Knopp - * \date 2016 - * \email: x.foukas@sms.ed.ac.uk - * \version 0.1 - * @ingroup _mac - - */ - -#include "assertions.h" -#include "PHY/defs.h" -#include "PHY/extern.h" - -#include "SCHED/defs.h" -#include "SCHED/extern.h" - -#include "LAYER2/MAC/flexran_agent_mac_proto.h" -#include "LAYER2/MAC/defs.h" -#include "LAYER2/MAC/proto.h" -#include "LAYER2/MAC/extern.h" -#include "UTIL/LOG/log.h" -#include "UTIL/LOG/vcd_signal_dumper.h" -#include "UTIL/OPT/opt.h" -#include "OCG.h" -#include "OCG_extern.h" - -#include "RRC/LITE/extern.h" -#include "RRC/L2_INTERFACE/openair_rrc_L2_interface.h" - -#include "ENB_APP/flexran_agent_defs.h" -#include "flexran_agent_ran_api.h" -#include "pdcp.h" - -#include "header.pb-c.h" -#include "flexran.pb-c.h" -#include "flexran_agent_mac.h" -#include <dlfcn.h> - -#include "SIMULATION/TOOLS/defs.h" // for taus - -#if defined(ENABLE_ITTI) -#include "intertask_interface.h" -#endif - -#define ENABLE_MAC_PAYLOAD_DEBUG - -/** - * Local variables to support slicing - * - */ - - -/*!\brief UE ULSCH scheduling states*/ -typedef enum { - MIN_SLICE_STRATEGY = 0, - SLICE_MASK, - UEID_TO_SLICEID, - MAX_SLICE_STRATEGY -} SLICING_STRATEGY; - -// this assumes a max of of 16 UE per eNB/CC -#define SLICE0_MASK 0x000f -#define SLICE1_MASK 0x00f0 -#define SLICE2_MASK 0x0f00 -#define SLICE3_MASK 0xf000 - - -// number of active slices for past and current time -int n_active_slices = 1; -int n_active_slices_current = 1; - -// ue to slice mapping -int slicing_strategy = UEID_TO_SLICEID; -int slicing_strategy_current = UEID_TO_SLICEID; - -// RB share for each slice for past and current time -float avg_slice_percentage=0.25; -float slice_percentage[MAX_NUM_SLICES] = {1.0, 0.0, 0.0, 0.0}; -float slice_percentage_current[MAX_NUM_SLICES] = {1.0, 0.0, 0.0, 0.0}; -float total_slice_percentage = 0; -float total_slice_percentage_current = 0; - -// MAX MCS for each slice for past and current time -int slice_maxmcs[MAX_NUM_SLICES] = { 28, 28, 28, 28 }; -int slice_maxmcs_current[MAX_NUM_SLICES] = { 28, 28, 28, 28 }; - -int update_dl_scheduler[MAX_NUM_SLICES] = { 1, 1, 1, 1 }; -int update_dl_scheduler_current[MAX_NUM_SLICES] = { 1, 1, 1, 1 }; - -// name of available scheduler -char *dl_scheduler_type[MAX_NUM_SLICES] = - { "flexran_schedule_ue_spec_embb", - "flexran_schedule_ue_spec_urllc", - "flexran_schedule_ue_spec_mmtc", - "flexran_schedule_ue_spec_be" // best effort -}; - -// pointer to the slice specific scheduler -slice_scheduler_dl slice_sched_dl[MAX_NUM_SLICES] = {0}; - - -/** - * preprocessor functions for scheduling - * - */ - - -// This function stores the downlink buffer for all the logical channels -void -_store_dlsch_buffer(module_id_t Mod_id, - int slice_id, frame_t frameP, sub_frame_t subframeP) -{ - - int UE_id, i; - rnti_t rnti; - mac_rlc_status_resp_t rlc_status; - UE_list_t *UE_list = &eNB_mac_inst[Mod_id].UE_list; - UE_TEMPLATE *UE_template; - - for (UE_id = 0; UE_id < NUMBER_OF_UE_MAX; UE_id++) { - if (UE_list->active[UE_id] != TRUE) - continue; - - if (flexran_slice_member(UE_id, slice_id) == 0) - continue; - - UE_template = - &UE_list->UE_template[UE_PCCID(Mod_id, UE_id)][UE_id]; - - // clear logical channel interface variables - UE_template->dl_buffer_total = 0; - UE_template->dl_pdus_total = 0; - - for (i = 0; i < MAX_NUM_LCID; i++) { - UE_template->dl_buffer_info[i] = 0; - UE_template->dl_pdus_in_buffer[i] = 0; - UE_template->dl_buffer_head_sdu_creation_time[i] = 0; - UE_template->dl_buffer_head_sdu_remaining_size_to_send[i] = 0; - } - - rnti = UE_RNTI(Mod_id, UE_id); - - for (i = 0; i < MAX_NUM_LCID; i++) { // loop over all the logical channels - - rlc_status = - mac_rlc_status_ind(Mod_id, rnti, Mod_id, frameP, subframeP, - ENB_FLAG_YES, MBMS_FLAG_NO, i, 0); - UE_template->dl_buffer_info[i] = rlc_status.bytes_in_buffer; //storing the dlsch buffer for each logical channel - UE_template->dl_pdus_in_buffer[i] = rlc_status.pdus_in_buffer; - UE_template->dl_buffer_head_sdu_creation_time[i] = - rlc_status.head_sdu_creation_time; - UE_template->dl_buffer_head_sdu_creation_time_max = - cmax(UE_template->dl_buffer_head_sdu_creation_time_max, - rlc_status.head_sdu_creation_time); - UE_template->dl_buffer_head_sdu_remaining_size_to_send[i] = - rlc_status.head_sdu_remaining_size_to_send; - UE_template->dl_buffer_head_sdu_is_segmented[i] = - rlc_status.head_sdu_is_segmented; - UE_template->dl_buffer_total += UE_template->dl_buffer_info[i]; //storing the total dlsch buffer - UE_template->dl_pdus_total += - UE_template->dl_pdus_in_buffer[i]; - -#ifdef DEBUG_eNB_SCHEDULER - - /* note for dl_buffer_head_sdu_remaining_size_to_send[i] : - * 0 if head SDU has not been segmented (yet), else remaining size not already segmented and sent - */ - if (UE_template->dl_buffer_info[i] > 0) - LOG_D(MAC, - "[eNB %d][SLICE %d] Frame %d Subframe %d : RLC status for UE %d in LCID%d: total of %d pdus and size %d, head sdu queuing time %d, remaining size %d, is segmeneted %d \n", - Mod_id, slice_id, frameP, subframeP, UE_id, - i, UE_template->dl_pdus_in_buffer[i], - UE_template->dl_buffer_info[i], - UE_template->dl_buffer_head_sdu_creation_time[i], - UE_template-> - dl_buffer_head_sdu_remaining_size_to_send[i], - UE_template->dl_buffer_head_sdu_is_segmented[i]); - -#endif - - } - - //#ifdef DEBUG_eNB_SCHEDULER - if (UE_template->dl_buffer_total > 0) - LOG_D(MAC, - "[eNB %d] Frame %d Subframe %d : RLC status for UE %d : total DL buffer size %d and total number of pdu %d \n", - Mod_id, frameP, subframeP, UE_id, - UE_template->dl_buffer_total, - UE_template->dl_pdus_total); - - //#endif - } -} - - -// This function returns the estimated number of RBs required by each UE for downlink scheduling -void -_assign_rbs_required(module_id_t Mod_id, - int slice_id, - frame_t frameP, - sub_frame_t subframe, - uint16_t - nb_rbs_required[MAX_NUM_CCs][NUMBER_OF_UE_MAX], - uint16_t nb_rbs_allowed_slice[MAX_NUM_CCs] - [MAX_NUM_SLICES], int min_rb_unit[MAX_NUM_CCs]) -{ - - - rnti_t rnti; - uint16_t TBS = 0; - LTE_eNB_UE_stats *eNB_UE_stats[MAX_NUM_CCs]; - int UE_id, n, i, j, CC_id, pCCid, tmp; - UE_list_t *UE_list = &eNB_mac_inst[Mod_id].UE_list; - // UE_TEMPLATE *UE_template; - - // clear rb allocations across all CC_ids - for (UE_id = 0; UE_id < NUMBER_OF_UE_MAX; UE_id++) { - if (UE_list->active[UE_id] != TRUE) - continue; - - if (flexran_slice_member(UE_id, slice_id) == 0) - continue; - - pCCid = UE_PCCID(Mod_id, UE_id); - rnti = UE_list->UE_template[pCCid][UE_id].rnti; - - /* skip UE not present in PHY (for any of its active CCs) */ - if (!phy_stats_exist(Mod_id, rnti)) - continue; - - //update CQI information across component carriers - for (n = 0; n < UE_list->numactiveCCs[UE_id]; n++) { - CC_id = UE_list->ordered_CCids[n][UE_id]; - eNB_UE_stats[CC_id] = - mac_xface->get_eNB_UE_stats(Mod_id, CC_id, rnti); - eNB_UE_stats[CC_id]->dlsch_mcs1 = - cqi_to_mcs[flexran_get_ue_wcqi(Mod_id, UE_id)]; - } - - // provide the list of CCs sorted according to MCS - for (i = 0; i < UE_list->numactiveCCs[UE_id]; i++) { - for (j = i + 1; j < UE_list->numactiveCCs[UE_id]; j++) { - DevAssert(j < MAX_NUM_CCs); - - if (eNB_UE_stats[UE_list->ordered_CCids[i][UE_id]]-> - dlsch_mcs1 > - eNB_UE_stats[UE_list->ordered_CCids[j][UE_id]]-> - dlsch_mcs1) { - tmp = UE_list->ordered_CCids[i][UE_id]; - UE_list->ordered_CCids[i][UE_id] = - UE_list->ordered_CCids[j][UE_id]; - UE_list->ordered_CCids[j][UE_id] = tmp; - } - } - } - /* NN --> RK - * check the index of UE_template" - */ - if (UE_list->UE_template[pCCid][UE_id].dl_buffer_total> 0) { - LOG_D(MAC,"[preprocessor] assign RB for UE %d\n",UE_id); - - for (i=0; i<UE_list->numactiveCCs[UE_id]; i++) { - CC_id = UE_list->ordered_CCids[i][UE_id]; - eNB_UE_stats[CC_id] = mac_xface->get_eNB_UE_stats(Mod_id,CC_id,rnti); - - if (cqi_to_mcs[flexran_get_ue_wcqi(Mod_id, UE_id)] == 0) {//eNB_UE_stats[CC_id]->dlsch_mcs1==0) { - nb_rbs_required[CC_id][UE_id] = 4; // don't let the TBS get too small - } else { - nb_rbs_required[CC_id][UE_id] = min_rb_unit[CC_id]; - } - - TBS = mac_xface->get_TBS_DL(cqi_to_mcs[flexran_get_ue_wcqi(Mod_id, UE_id)], nb_rbs_required[CC_id][UE_id]); - nb_rbs_allowed_slice[CC_id][slice_id] = flexran_nb_rbs_allowed_slice(slice_percentage[slice_id], - flexran_get_N_RB_DL(Mod_id, CC_id)); - LOG_D(MAC,"[preprocessor] start RB assignement for UE %d CC_id %d dl buffer %d (RB unit %d, MCS %d, TBS %d) \n", - UE_id, CC_id, UE_list->UE_template[pCCid][UE_id].dl_buffer_total, - nb_rbs_required[CC_id][UE_id], flexran_get_ue_wcqi(Mod_id, UE_id), TBS); - - /* calculating required number of RBs for each UE */ - while (TBS < UE_list->UE_template[pCCid][UE_id].dl_buffer_total) { - nb_rbs_required[CC_id][UE_id] += min_rb_unit[CC_id]; - - if (nb_rbs_required[CC_id][UE_id] > nb_rbs_allowed_slice[CC_id][slice_id]) { - TBS = mac_xface->get_TBS_DL(cqi_to_mcs[flexran_get_ue_wcqi(Mod_id, UE_id)], nb_rbs_allowed_slice[CC_id][slice_id]); - nb_rbs_required[CC_id][UE_id] = nb_rbs_allowed_slice[CC_id][slice_id]; - break; - } - - TBS = mac_xface->get_TBS_DL(cqi_to_mcs[flexran_get_ue_wcqi(Mod_id, UE_id)], nb_rbs_required[CC_id][UE_id]); - } // end of while - - LOG_D(MAC,"[eNB %d][SLICE %d] Frame %d: UE %d on CC %d: RB unit %d, nb_required RB %d (TBS %d, mcs %d)\n", - Mod_id, slice_id,frameP,UE_id, CC_id, min_rb_unit[CC_id], nb_rbs_required[CC_id][UE_id], TBS, cqi_to_mcs[flexran_get_ue_wcqi(Mod_id, UE_id)]); - } - } - } -} - -void -_dlsch_scheduler_pre_processor_allocate(module_id_t Mod_id, - int UE_id, - uint8_t CC_id, - int N_RBG, - int transmission_mode, - int min_rb_unit, - uint8_t N_RB_DL, - uint16_t - nb_rbs_required[MAX_NUM_CCs] - [NUMBER_OF_UE_MAX], - uint16_t - nb_rbs_required_remaining - [MAX_NUM_CCs] - [NUMBER_OF_UE_MAX], unsigned char - rballoc_sub[MAX_NUM_CCs] - [N_RBG_MAX], unsigned char - MIMO_mode_indicator - [MAX_NUM_CCs][N_RBG_MAX]) -{ - int i; - UE_list_t *UE_list = &eNB_mac_inst[Mod_id].UE_list; - UE_sched_ctrl *ue_sched_ctl = &UE_list->UE_sched_ctrl[UE_id]; - - for (i = 0; i < N_RBG; i++) { - - if ((rballoc_sub[CC_id][i] == 0) && - (ue_sched_ctl->rballoc_sub_UE[CC_id][i] == 0) && - (nb_rbs_required_remaining[CC_id][UE_id] > 0) && - (ue_sched_ctl->pre_nb_available_rbs[CC_id] < - nb_rbs_required[CC_id][UE_id])) { - - // if this UE is not scheduled for TM5 - if (ue_sched_ctl->dl_pow_off[CC_id] != 0) { - - if ((i == N_RBG - 1) - && ((N_RB_DL == 25) || (N_RB_DL == 50))) { - rballoc_sub[CC_id][i] = 1; - ue_sched_ctl->rballoc_sub_UE[CC_id][i] = 1; - MIMO_mode_indicator[CC_id][i] = 1; - if (transmission_mode == 5) { - ue_sched_ctl->dl_pow_off[CC_id] = 1; - } - nb_rbs_required_remaining[CC_id][UE_id] = - nb_rbs_required_remaining[CC_id][UE_id] - - min_rb_unit + 1; - ue_sched_ctl->pre_nb_available_rbs[CC_id] = - ue_sched_ctl->pre_nb_available_rbs[CC_id] + - min_rb_unit - 1; - } else { - if (nb_rbs_required_remaining[CC_id][UE_id] >= - min_rb_unit) { - rballoc_sub[CC_id][i] = 1; - ue_sched_ctl->rballoc_sub_UE[CC_id][i] = 1; - MIMO_mode_indicator[CC_id][i] = 1; - if (transmission_mode == 5) { - ue_sched_ctl->dl_pow_off[CC_id] = 1; - } - nb_rbs_required_remaining[CC_id][UE_id] = - nb_rbs_required_remaining[CC_id][UE_id] - - min_rb_unit; - ue_sched_ctl->pre_nb_available_rbs[CC_id] = - ue_sched_ctl->pre_nb_available_rbs[CC_id] + - min_rb_unit; - } - } - } // dl_pow_off[CC_id][UE_id] ! = 0 - } - } -} - -void -_dlsch_scheduler_pre_processor_reset(int module_idP, - int UE_id, - uint8_t CC_id, - int frameP, - int subframeP, - int N_RBG, - uint16_t nb_rbs_required[MAX_NUM_CCs] - [NUMBER_OF_UE_MAX], - uint16_t - nb_rbs_required_remaining - [MAX_NUM_CCs][NUMBER_OF_UE_MAX], - uint16_t - nb_rbs_allowed_slice[MAX_NUM_CCs] - [MAX_NUM_SLICES], unsigned char - rballoc_sub[MAX_NUM_CCs] - [N_RBG_MAX], unsigned char - MIMO_mode_indicator[MAX_NUM_CCs] - [N_RBG_MAX]) -{ - int i, j; - UE_list_t *UE_list = &eNB_mac_inst[module_idP].UE_list; - UE_sched_ctrl *ue_sched_ctl = &UE_list->UE_sched_ctrl[UE_id]; - uint8_t *vrb_map = - eNB_mac_inst[module_idP].common_channels[CC_id].vrb_map; - int RBGsize = - PHY_vars_eNB_g[module_idP][CC_id]->frame_parms.N_RB_DL / N_RBG; -#ifdef SF05_LIMIT - //int subframe05_limit=0; - int sf05_upper = -1, sf05_lower = -1; -#endif - // LTE_eNB_UE_stats *eNB_UE_stats = mac_xface->get_eNB_UE_stats(module_idP,CC_id,rnti); - - flexran_update_TA(module_idP, UE_id, CC_id); - - if (UE_id == 0) { - VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME - (VCD_SIGNAL_DUMPER_VARIABLES_UE0_TIMING_ADVANCE, - ue_sched_ctl->ta_update); - } - nb_rbs_required[CC_id][UE_id] = 0; - ue_sched_ctl->pre_nb_available_rbs[CC_id] = 0; - ue_sched_ctl->dl_pow_off[CC_id] = 2; - nb_rbs_required_remaining[CC_id][UE_id] = 0; - for (i = 0; i < n_active_slices; i++) - nb_rbs_allowed_slice[CC_id][i] = 0; -#ifdef SF05_LIMIT - switch (N_RBG) { - case 6: - sf05_lower = 0; - sf05_upper = 5; - break; - case 8: - sf05_lower = 2; - sf05_upper = 5; - break; - case 13: - sf05_lower = 4; - sf05_upper = 7; - break; - case 17: - sf05_lower = 7; - sf05_upper = 9; - break; - case 25: - sf05_lower = 11; - sf05_upper = 13; - break; - } -#endif - // Initialize Subbands according to VRB map - for (i = 0; i < N_RBG; i++) { - ue_sched_ctl->rballoc_sub_UE[CC_id][i] = 0; - rballoc_sub[CC_id][i] = 0; -#ifdef SF05_LIMIT - // for avoiding 6+ PRBs around DC in subframe 0-5 (avoid excessive errors) - - if ((subframeP == 0 || subframeP == 5) && - (i >= sf05_lower && i <= sf05_upper)) - rballoc_sub[CC_id][i] = 1; -#endif - // for SI-RNTI,RA-RNTI and P-RNTI allocations - for (j = 0; j < RBGsize; j++) { - if (vrb_map[j + (i * RBGsize)] != 0) { - rballoc_sub[CC_id][i] = 1; - LOG_D(MAC, "Frame %d, subframe %d : vrb %d allocated\n", - frameP, subframeP, j + (i * RBGsize)); - break; - } - } - LOG_D(MAC, "Frame %d Subframe %d CC_id %d RBG %i : rb_alloc %d\n", - frameP, subframeP, CC_id, i, rballoc_sub[CC_id][i]); - MIMO_mode_indicator[CC_id][i] = 2; - } -} - -// This function assigns pre-available RBS to each UE in specified sub-bands before scheduling is done -void -_dlsch_scheduler_pre_processor(module_id_t Mod_id, - int slice_id, - frame_t frameP, - sub_frame_t subframeP, - int N_RBG[MAX_NUM_CCs], int *mbsfn_flag) -{ - - unsigned char rballoc_sub[MAX_NUM_CCs][N_RBG_MAX], total_ue_count; - unsigned char MIMO_mode_indicator[MAX_NUM_CCs][N_RBG_MAX]; - int UE_id, i; - uint8_t round = 0; - uint8_t harq_pid = 0; - uint16_t ii, j; - uint16_t nb_rbs_required[MAX_NUM_CCs][NUMBER_OF_UE_MAX]; - uint16_t nb_rbs_allowed_slice[MAX_NUM_CCs][MAX_NUM_SLICES]; - uint16_t nb_rbs_required_remaining[MAX_NUM_CCs][NUMBER_OF_UE_MAX]; - uint16_t nb_rbs_required_remaining_1[MAX_NUM_CCs][NUMBER_OF_UE_MAX]; - uint16_t average_rbs_per_user[MAX_NUM_CCs] = { 0 }; - rnti_t rnti; - int min_rb_unit[MAX_NUM_CCs]; - uint16_t r1 = 0; - uint8_t CC_id; - UE_list_t *UE_list = &eNB_mac_inst[Mod_id].UE_list; - LTE_DL_FRAME_PARMS *frame_parms[MAX_NUM_CCs] = { 0 }; - - int transmission_mode = 0; - UE_sched_ctrl *ue_sched_ctl; - - - for (CC_id = 0; CC_id < MAX_NUM_CCs; CC_id++) { - - if (mbsfn_flag[CC_id] > 0) // If this CC is allocated for MBSFN skip it here - continue; - - frame_parms[CC_id] = mac_xface->get_lte_frame_parms(Mod_id, CC_id); - - - min_rb_unit[CC_id] = get_min_rb_unit(Mod_id, CC_id); - - for (i = 0; i < NUMBER_OF_UE_MAX; i++) { - if (UE_list->active[i] != TRUE) - continue; - - UE_id = i; - // Initialize scheduling information for all active UEs - - //if (flexran_slice_member(UE_id, slice_id) == 0) - //continue; - _dlsch_scheduler_pre_processor_reset(Mod_id, - UE_id, - CC_id, - frameP, - subframeP, - N_RBG[CC_id], - nb_rbs_required, - nb_rbs_required_remaining, - nb_rbs_allowed_slice, - rballoc_sub, - MIMO_mode_indicator); - - } - } - - - /* Store the DLSCH buffer for each logical channel for each UE */ - _store_dlsch_buffer (Mod_id,slice_id,frameP,subframeP); - - // Calculate the number of RBs required by each UE on the basis of logical channel's buffer - _assign_rbs_required (Mod_id,slice_id, frameP,subframeP,nb_rbs_required,nb_rbs_allowed_slice,min_rb_unit); - - // Sorts the user on the basis of dlsch logical channel buffer and CQI - sort_UEs (Mod_id,frameP,subframeP); - - total_ue_count = 0; - - // loop over all active UEs - for (i=UE_list->head; i>=0; i=UE_list->next[i]) { - rnti = flexran_get_ue_crnti(Mod_id, i); - if(rnti == NOT_A_RNTI) - continue; - if (UE_list->UE_sched_ctrl[i].ul_out_of_sync == 1) - continue; - - UE_id = i; - - if (flexran_slice_member(UE_id, slice_id) == 0) - continue; - - if (!phy_stats_exist(Mod_id, rnti)) - continue; - - for (ii=0; ii < UE_num_active_CC(UE_list,UE_id); ii++) { - CC_id = UE_list->ordered_CCids[ii][UE_id]; - ue_sched_ctl = &UE_list->UE_sched_ctrl[UE_id]; - ue_sched_ctl->max_allowed_rbs[CC_id]=nb_rbs_allowed_slice[CC_id][slice_id]; - flexran_get_harq(Mod_id, CC_id, UE_id, frameP, subframeP, &harq_pid, &round, openair_harq_DL); - - // if there is no available harq_process, skip the UE - if (UE_list->UE_sched_ctrl[UE_id].harq_pid[CC_id]<0) - continue; - - average_rbs_per_user[CC_id]=0; - - frame_parms[CC_id] = mac_xface->get_lte_frame_parms(Mod_id,CC_id); - - // mac_xface->get_ue_active_harq_pid(Mod_id,CC_id,rnti,frameP,subframeP,&harq_pid,&round,0); - - if(round>0) { - nb_rbs_required[CC_id][UE_id] = UE_list->UE_template[CC_id][UE_id].nb_rb[harq_pid]; - } - - //nb_rbs_required_remaining[UE_id] = nb_rbs_required[UE_id]; - if (nb_rbs_required[CC_id][UE_id] > 0) { - total_ue_count = total_ue_count + 1; - } - - - // hypotetical assignement - /* - * If schedule is enabled and if the priority of the UEs is modified - * The average rbs per logical channel per user will depend on the level of - * priority. Concerning the hypothetical assignement, we should assign more - * rbs to prioritized users. Maybe, we can do a mapping between the - * average rbs per user and the level of priority or multiply the average rbs - * per user by a coefficient which represents the degree of priority. - */ - - if (total_ue_count == 0) { - average_rbs_per_user[CC_id] = 0; - } else if( (min_rb_unit[CC_id] * total_ue_count) <= nb_rbs_allowed_slice[CC_id][slice_id] ) { - average_rbs_per_user[CC_id] = (uint16_t) floor(nb_rbs_allowed_slice[CC_id][slice_id]/total_ue_count); - } else { - average_rbs_per_user[CC_id] = min_rb_unit[CC_id]; // consider the total number of use that can be scheduled UE - } - } - } - - // note: nb_rbs_required is assigned according to total_buffer_dl - // extend nb_rbs_required to capture per LCID RB required - for(i=UE_list->head; i>=0; i=UE_list->next[i]) { - rnti = UE_RNTI(Mod_id,i); - - if(rnti == NOT_A_RNTI) - continue; - - if (UE_list->UE_sched_ctrl[i].ul_out_of_sync == 1) - continue; - - if (!phy_stats_exist(Mod_id, rnti)) - continue; - - if (flexran_slice_member(i, slice_id) == 0) - continue; - - for (ii=0; ii<UE_num_active_CC(UE_list,i); ii++) { - CC_id = UE_list->ordered_CCids[ii][i]; - - // control channel - if (mac_eNB_get_rrc_status(Mod_id,rnti) < RRC_RECONFIGURED) { - nb_rbs_required_remaining_1[CC_id][i] = nb_rbs_required[CC_id][i]; - } else { - nb_rbs_required_remaining_1[CC_id][i] = cmin(average_rbs_per_user[CC_id],nb_rbs_required[CC_id][i]); - - } - } - - // note: nb_rbs_required is assigned according to total_buffer_dl - // extend nb_rbs_required to capture per LCID RB required - for (i = UE_list->head; i >= 0; i = UE_list->next[i]) { - rnti = UE_RNTI(Mod_id, i); - - if (rnti == NOT_A_RNTI) - continue; - - if (UE_list->UE_sched_ctrl[i].ul_out_of_sync == 1) - continue; - - if (!phy_stats_exist(Mod_id, rnti)) - continue; - - if (flexran_slice_member(i, slice_id) == 0) - continue; - - for (ii = 0; ii < UE_num_active_CC(UE_list, i); ii++) { - CC_id = UE_list->ordered_CCids[ii][i]; - - // control channel - if (mac_eNB_get_rrc_status(Mod_id, rnti) < RRC_RECONFIGURED) { - nb_rbs_required_remaining_1[CC_id][i] = - nb_rbs_required[CC_id][i]; - } else { - nb_rbs_required_remaining_1[CC_id][i] = - cmin(average_rbs_per_user[CC_id], - nb_rbs_required[CC_id][i]); - - } - } - } - - //Allocation to UEs is done in 2 rounds, - // 1st stage: average number of RBs allocated to each UE - // 2nd stage: remaining RBs are allocated to high priority UEs - for (r1 = 0; r1 < 2; r1++) { - - for (i = UE_list->head; i >= 0; i = UE_list->next[i]) { - - if (flexran_slice_member(i, slice_id) == 0) - continue; - - for (ii = 0; ii < UE_num_active_CC(UE_list, i); ii++) { - CC_id = UE_list->ordered_CCids[ii][i]; - - if (r1 == 0) { - nb_rbs_required_remaining[CC_id][i] = - nb_rbs_required_remaining_1[CC_id][i]; - } else { // rb required based only on the buffer - rb allloctaed in the 1st round + extra reaming rb form the 1st round - nb_rbs_required_remaining[CC_id][i] = - nb_rbs_required[CC_id][i] - - nb_rbs_required_remaining_1[CC_id][i] + - nb_rbs_required_remaining[CC_id][i]; - } - - if (nb_rbs_required[CC_id][i] > 0) - LOG_D(MAC, - "round %d : nb_rbs_required_remaining[%d][%d]= %d (remaining_1 %d, required %d, pre_nb_available_rbs %d, N_RBG %d, rb_unit %d)\n", - r1, CC_id, i, - nb_rbs_required_remaining[CC_id][i], - nb_rbs_required_remaining_1[CC_id][i], - nb_rbs_required[CC_id][i], - UE_list->UE_sched_ctrl[i]. - pre_nb_available_rbs[CC_id], N_RBG[CC_id], - min_rb_unit[CC_id]); - - } - } - - if (total_ue_count > 0) { - for (i = UE_list->head; i >= 0; i = UE_list->next[i]) { - UE_id = i; - - if (flexran_slice_member(UE_id, slice_id) == 0) - continue; - - for (ii = 0; ii < UE_num_active_CC(UE_list, UE_id); ii++) { - CC_id = UE_list->ordered_CCids[ii][UE_id]; - ue_sched_ctl = &UE_list->UE_sched_ctrl[UE_id]; - flexran_get_harq(Mod_id, CC_id, UE_id, frameP, - subframeP, &harq_pid, &round); - rnti = UE_RNTI(Mod_id, UE_id); - - // LOG_D(MAC,"UE %d rnti 0x\n", UE_id, rnti ); - if (rnti == NOT_A_RNTI) - continue; - - if (UE_list->UE_sched_ctrl[UE_id].ul_out_of_sync == 1) - continue; - - if (!phy_stats_exist(Mod_id, rnti)) - continue; - - transmission_mode = - mac_xface->get_transmission_mode(Mod_id, CC_id, - rnti); - //rrc_status = mac_eNB_get_rrc_status(Mod_id,rnti); - /* 1st allocate for the retx */ - - // retransmission in data channels - // control channel in the 1st transmission - // data channel for all TM - LOG_T(MAC, - "calling dlsch_scheduler_pre_processor_allocate .. \n "); - _dlsch_scheduler_pre_processor_allocate(Mod_id, UE_id, - CC_id, - N_RBG[CC_id], - transmission_mode, - min_rb_unit - [CC_id], - frame_parms - [CC_id]-> - N_RB_DL, - nb_rbs_required, - nb_rbs_required_remaining, - rballoc_sub, - MIMO_mode_indicator); - } - } - } // total_ue_count - } // end of for for r1 and r2 - - for (i = UE_list->head; i >= 0; i = UE_list->next[i]) { - UE_id = i; - ue_sched_ctl = &UE_list->UE_sched_ctrl[UE_id]; - - if (flexran_slice_member(UE_id, slice_id) == 0) - continue; - - for (ii=0; ii<UE_num_active_CC(UE_list,UE_id); ii++) { - CC_id = UE_list->ordered_CCids[ii][UE_id]; - flexran_get_harq(Mod_id, CC_id, UE_id, frameP, subframeP, &harq_pid, &round, openair_harq_DL); - rnti = UE_RNTI(Mod_id,UE_id); - - // LOG_D(MAC,"UE %d rnti 0x\n", UE_id, rnti ); - if(rnti == NOT_A_RNTI) - continue; - - if (UE_list->UE_sched_ctrl[UE_id].ul_out_of_sync == 1) - continue; - - if (ue_sched_ctl->pre_nb_available_rbs[CC_id] > 0) { - LOG_D(MAC, - "******************DL Scheduling Information for UE%d ************************\n", - UE_id); - LOG_D(MAC, "dl power offset UE%d = %d \n", UE_id, - ue_sched_ctl->dl_pow_off[CC_id]); - LOG_D(MAC, - "***********RB Alloc for every subband for UE%d ***********\n", - UE_id); - - for (j = 0; j < N_RBG[CC_id]; j++) { - //PHY_vars_eNB_g[Mod_id]->mu_mimo_mode[UE_id].rballoc_sub[i] = rballoc_sub_UE[CC_id][UE_id][i]; - LOG_D(MAC, "RB Alloc for UE%d and Subband%d = %d\n", - UE_id, j, - ue_sched_ctl->rballoc_sub_UE[CC_id][j]); - } - - //PHY_vars_eNB_g[Mod_id]->mu_mimo_mode[UE_id].pre_nb_available_rbs = pre_nb_available_rbs[CC_id][UE_id]; - LOG_D(MAC, - "[eNB %d][SLICE %d] Total RBs allocated for UE%d = %d\n", - Mod_id, slice_id, UE_id, - ue_sched_ctl->pre_nb_available_rbs[CC_id]); - } - } - } - } -} - -#define SF05_LIMIT 1 - -/* - * Main Downlink Slicing - * - */ - -void -flexran_schedule_ue_dl_spec_default(mid_t mod_id, - uint32_t frame, - uint32_t subframe, - int *mbsfn_flag, - Protocol__FlexranMessage **dl_info) -//------------------------------------------------------------------------------ -{ - int i=0; - - flexran_agent_mac_create_empty_dl_config(mod_id, dl_info); - - total_slice_percentage=0; - avg_slice_percentage=1.0/n_active_slices; - - // reset the slice percentage for inactive slices - for (i = n_active_slices; i< MAX_NUM_SLICES; i++) { - slice_percentage[i]=0; - } - for (i = 0; i < n_active_slices; i++) { - if (slice_percentage[i] < 0 ){ - LOG_W(MAC, "[eNB %d] frame %d subframe %d:invalid slice %d percentage %f. resetting to zero", - mod_id, frame, subframe, i, slice_percentage[i]); - slice_percentage[i]=0; - } - total_slice_percentage+=slice_percentage[i]; - } - - for (i = 0; i < n_active_slices; i++) { - - // Load any updated functions - if (update_dl_scheduler[i] > 0 ) { - slice_sched_dl[i] = dlsym(NULL, dl_scheduler_type[i]); - update_dl_scheduler[i] = 0; - update_dl_scheduler_current[i] = 0; - LOG_N(MAC,"update dl scheduler slice %d\n", i); - } - - if (total_slice_percentage <= 1.0){ // the new total RB share is within the range - - // check if the number of slices has changed, and log - if (n_active_slices_current != n_active_slices ){ - if ((n_active_slices > 0) && (n_active_slices <= MAX_NUM_SLICES)) { - LOG_N(MAC,"[eNB %d]frame %d subframe %d: number of active DL slices has changed: %d-->%d\n", - mod_id, frame, subframe, n_active_slices_current, n_active_slices); - - n_active_slices_current = n_active_slices; - - } else { - LOG_W(MAC,"invalid number of DL slices %d, revert to the previous value %d\n",n_active_slices, n_active_slices_current); - n_active_slices = n_active_slices_current; - } - } - - // check if the slice rb share has changed, and log the console - if (slice_percentage_current[i] != slice_percentage[i]){ // new slice percentage - LOG_N(MAC,"[eNB %d][SLICE %d][DL] frame %d subframe %d: total percentage %f-->%f, slice RB percentage has changed: %f-->%f\n", - mod_id, i, frame, subframe, total_slice_percentage_current, total_slice_percentage, slice_percentage_current[i], slice_percentage[i]); - total_slice_percentage_current= total_slice_percentage; - slice_percentage_current[i] = slice_percentage[i]; - - } - - // check if the slice max MCS, and log the console - if (slice_maxmcs_current[i] != slice_maxmcs[i]){ - if ((slice_maxmcs[i] >= 0) && (slice_maxmcs[i] < 29)){ - LOG_N(MAC,"[eNB %d][SLICE %d][DL] frame %d subframe %d: slice MAX MCS has changed: %d-->%d\n", - mod_id, i, frame, subframe, slice_maxmcs_current[i], slice_maxmcs[i]); - slice_maxmcs_current[i] = slice_maxmcs[i]; - } else { - LOG_W(MAC,"[eNB %d][SLICE %d][DL] invalid slice max mcs %d, revert the previous value %d\n",mod_id, i, slice_maxmcs[i],slice_maxmcs_current[i]); - slice_maxmcs[i]= slice_maxmcs_current[i]; - } - } - - // check if a new scheduler, and log the console - if (update_dl_scheduler_current[i] != update_dl_scheduler[i]){ - LOG_N(MAC,"[eNB %d][SLICE %d][DL] frame %d subframe %d: DL scheduler for this slice is updated: %s \n", - mod_id, i, frame, subframe, dl_scheduler_type[i]); - update_dl_scheduler_current[i] = update_dl_scheduler[i]; - } - - } else { - // here we can correct the values, e.g. reduce proportionally - - if (n_active_slices == n_active_slices_current){ - LOG_W(MAC,"[eNB %d][SLICE %d][DL] invalid total RB share (%f->%f), reduce proportionally the RB share by 0.1\n", - mod_id,i, - total_slice_percentage_current, total_slice_percentage); - if (slice_percentage[i] >= avg_slice_percentage){ - slice_percentage[i]-=0.1; - total_slice_percentage-=0.1; - } - } else { - LOG_W(MAC,"[eNB %d][SLICE %d][DL] invalid total RB share (%f->%f), revert the number of slice to its previous value (%d->%d)\n", - mod_id,i, - total_slice_percentage_current, total_slice_percentage, - n_active_slices, n_active_slices_current ); - n_active_slices = n_active_slices_current; - slice_percentage[i] = slice_percentage_current[i]; - } - } - - // Run each enabled slice-specific schedulers one by one - slice_sched_dl[i](mod_id, i, frame, subframe, mbsfn_flag,dl_info); - } -} - -uint16_t flexran_nb_rbs_allowed_slice(float rb_percentage, int total_rbs) -{ - return (uint16_t) floor(rb_percentage * total_rbs); -} - -int flexran_slice_maxmcs(int slice_id) -{ - return slice_maxmcs[slice_id]; -} - -int flexran_slice_member(int UE_id, int slice_id) -{ - // group membership definition - int slice_member = 0; - - if ((slice_id < 0) || (slice_id > n_active_slices)) - LOG_W(MAC, "out of range slice id %d\n", slice_id); - - switch (slicing_strategy) { - case SLICE_MASK: - switch (slice_id) { - case 0: - if (SLICE0_MASK & UE_id) { - slice_member = 1; - } - break; - case 1: - if (SLICE1_MASK & UE_id) { - slice_member = 1; - } - break; - case 2: - if (SLICE2_MASK & UE_id) { - slice_member = 1; - } - break; - case 3: - if (SLICE3_MASK & UE_id) { - slice_member = 1; - } - break; - default: - LOG_W(MAC, "unknown slice_id %d\n", slice_id); - break; - - } - break; - case UEID_TO_SLICEID: - default: - if ((UE_id % n_active_slices) == slice_id) { - slice_member = 1; // this ue is a member of this slice - } - break; - } - - return slice_member; -} - -/* more aggressive rb and mcs allocation with medium priority and the traffic qci */ -void -flexran_schedule_ue_spec_embb(mid_t mod_id, - int slice_id, - uint32_t frame, - uint32_t subframe, - int *mbsfn_flag, - Protocol__FlexranMessage ** dl_info) -{ - flexran_schedule_ue_dl_spec_common(mod_id, - slice_id, - frame, - subframe, - mbsfn_flag, - dl_info); -} - -/* more conservative mcs allocation with high priority and the traffic qci */ -void -flexran_schedule_ue_spec_urllc(mid_t mod_id, - int slice_id, - uint32_t frame, - uint32_t subframe, - int *mbsfn_flag, - Protocol__FlexranMessage ** dl_info) -{ - flexran_schedule_ue_dl_spec_common(mod_id, - slice_id, - frame, - subframe, - mbsfn_flag, - dl_info); -} - -/* constant rb allocation with low mcs with low priority and given the UE capabilities */ -void -flexran_schedule_ue_spec_mmtc(mid_t mod_id, - int slice_id, - uint32_t frame, - uint32_t subframe, - int *mbsfn_flag, - Protocol__FlexranMessage ** dl_info) -{ - flexran_schedule_ue_dl_spec_common(mod_id, - slice_id, - frame, - subframe, - mbsfn_flag, - dl_info); -} - -/* regular rb and mcs allocation with low priority */ -void -flexran_schedule_ue_spec_be(mid_t mod_id, - int slice_id, - uint32_t frame, - uint32_t subframe, - int *mbsfn_flag, - Protocol__FlexranMessage ** dl_info) -{ - flexran_schedule_ue_dl_spec_common(mod_id, - slice_id, - frame, - subframe, - mbsfn_flag, - dl_info); -} - -//------------------------------------------------------------------------------ -void -flexran_schedule_ue_dl_spec_common(mid_t mod_id, - int slice_id, - uint32_t frame, - uint32_t subframe, - int *mbsfn_flag, - Protocol__FlexranMessage **dl_info) -//------------------------------------------------------------------------------ -{ - uint8_t CC_id; - int UE_id; - int N_RBG[MAX_NUM_CCs]; - unsigned char aggregation; - mac_rlc_status_resp_t rlc_status; - unsigned char header_len = 0, header_len_last = 0, ta_len = 0; - uint16_t nb_rb, nb_rb_temp, total_nb_available_rb[MAX_NUM_CCs], - nb_available_rb; - uint16_t TBS, j, rnti; - uint8_t round = 0; - uint8_t harq_pid = 0; - uint16_t sdu_length_total = 0; - int mcs, mcs_tmp; - uint16_t min_rb_unit[MAX_NUM_CCs]; - eNB_MAC_INST *eNB = &eNB_mac_inst[mod_id]; - /* TODO: Must move the helper structs to scheduler implementation */ - UE_list_t *UE_list = &eNB->UE_list; - int32_t normalized_rx_power, target_rx_power; - int32_t tpc = 1; - static int32_t tpc_accumulated = 0; - UE_sched_ctrl *ue_sched_ctl; - LTE_eNB_UE_stats *eNB_UE_stats = NULL; - Protocol__FlexDlData *dl_data[NUM_MAX_UE]; - int num_ues_added = 0; - int channels_added = 0; - - Protocol__FlexDlDci *dl_dci; - Protocol__FlexRlcPdu *rlc_pdus[11]; - uint32_t ce_flags = 0; - - uint8_t rballoc_sub[25]; - int i; - uint32_t data_to_request; - uint32_t dci_tbs; - uint8_t ue_has_transmission = 0; - uint32_t ndi; - -#if 0 - - if (UE_list->head == -1) { - return; - } -#endif - - start_meas(&eNB->schedule_dlsch); - VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_SCHEDULE_DLSCH,VCD_FUNCTION_IN); - - //weight = get_ue_weight(module_idP,UE_id); - aggregation = 1; // set to the maximum aggregation level - - for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) { - min_rb_unit[CC_id] = get_min_rb_unit(mod_id, CC_id); - // get number of PRBs less those used by common channels - total_nb_available_rb[CC_id] = flexran_get_N_RB_DL(mod_id, CC_id); - for (i=0;i < flexran_get_N_RB_DL(mod_id, CC_id); i++) - if (eNB->common_channels[CC_id].vrb_map[i] != 0) - total_nb_available_rb[CC_id]--; - - N_RBG[CC_id] = flexran_get_N_RBG(mod_id, CC_id); - - // store the global enb stats: - eNB->eNB_stats[CC_id].num_dlactive_UEs = UE_list->num_UEs; - eNB->eNB_stats[CC_id].available_prbs = total_nb_available_rb[CC_id]; - eNB->eNB_stats[CC_id].total_available_prbs += total_nb_available_rb[CC_id]; - eNB->eNB_stats[CC_id].dlsch_bytes_tx=0; - eNB->eNB_stats[CC_id].dlsch_pdus_tx=0; - } - - VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_DLSCH_PREPROCESSOR,VCD_FUNCTION_IN); - - start_meas(&eNB->schedule_dlsch_preprocessor); - _dlsch_scheduler_pre_processor(mod_id, - slice_id, - frame, - subframe, - N_RBG, - mbsfn_flag); - stop_meas(&eNB->schedule_dlsch_preprocessor); - VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_DLSCH_PREPROCESSOR,VCD_FUNCTION_OUT); - - for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) { - LOG_D(MAC, "doing schedule_ue_spec for CC_id %d\n",CC_id); - - if (mbsfn_flag[CC_id]>0) - continue; - - for (UE_id=UE_list->head; UE_id>=0; UE_id=UE_list->next[UE_id]) { - - rnti = flexran_get_ue_crnti(mod_id, UE_id); - eNB_UE_stats = mac_xface->get_eNB_UE_stats(mod_id,CC_id,rnti); - ue_sched_ctl = &UE_list->UE_sched_ctrl[UE_id]; - - if (eNB_UE_stats==NULL) { - - LOG_D(MAC,"[eNB] Cannot find eNB_UE_stats\n"); - // mac_xface->macphy_exit("[MAC][eNB] Cannot find eNB_UE_stats\n"); - continue; - } - - if (flexran_slice_member(UE_id, slice_id) == 0) - continue; - - if (rnti==NOT_A_RNTI) { - LOG_D(MAC,"Cannot find rnti for UE_id %d (num_UEs %d)\n", UE_id,UE_list->num_UEs); - // mac_xface->macphy_exit("Cannot find rnti for UE_id"); - continue; - } - - switch(mac_xface->get_transmission_mode(mod_id,CC_id,rnti)){ - case 1: - case 2: - case 7: - aggregation = get_aggregation(get_bw_index(mod_id,CC_id), - eNB_UE_stats->DL_cqi[0], - format1); - break; - case 3: - aggregation = get_aggregation(get_bw_index(mod_id,CC_id), - eNB_UE_stats->DL_cqi[0], - format2A); - break; - default: - LOG_W(MAC,"Unsupported transmission mode %d\n", mac_xface->get_transmission_mode(mod_id,CC_id,rnti)); - aggregation = 2; - } - - if ((ue_sched_ctl->pre_nb_available_rbs[CC_id] == 0) || // no RBs allocated - CCE_allocation_infeasible(mod_id, CC_id, 0, subframe, aggregation, rnti)) { - - LOG_D(MAC,"[eNB %d] Frame %d : no RB allocated for UE %d on CC_id %d: continue \n", - mod_id, frame, UE_id, CC_id); - //if(mac_xface->get_transmission_mode(module_idP,rnti)==5) - continue; //to next user (there might be rbs availiable for other UEs in TM5 - // else - // break; - } - - if (flexran_get_duplex_mode(mod_id, CC_id) == PROTOCOL__FLEX_DUPLEX_MODE__FLDM_TDD) { - set_ue_dai (subframe, - flexran_get_subframe_assignment(mod_id, CC_id), - UE_id, - CC_id, - UE_list); - //TODO: update UL DAI after DLSCH scheduling - //set_ul_DAI(mod_id, UE_id, CC_id, frame, subframe,frame_parms); - } - - channels_added = 0; - - // After this point all the UEs will be scheduled - dl_data[num_ues_added] = (Protocol__FlexDlData *) malloc(sizeof(Protocol__FlexDlData)); - protocol__flex_dl_data__init(dl_data[num_ues_added]); - dl_data[num_ues_added]->has_rnti = 1; - dl_data[num_ues_added]->rnti = rnti; - dl_data[num_ues_added]->n_rlc_pdu = 0; - dl_data[num_ues_added]->has_serv_cell_index = 1; - dl_data[num_ues_added]->serv_cell_index = CC_id; - - flexran_get_harq(mod_id, CC_id, UE_id, frame, subframe, &harq_pid, &round, openair_harq_DL); - sdu_length_total=0; - mcs = cqi_to_mcs[flexran_get_ue_wcqi(mod_id, UE_id)]; - // LOG_I(FLEXRAN_AGENT, "The MCS is %d\n", mcs); - mcs = cmin(mcs,flexran_slice_maxmcs(slice_id)); -// #ifdef EXMIMO - -// if (mac_xface->get_transmission_mode(mod_id, CC_id, rnti) == 5) { -// mcs = cqi_to_mcs[flexran_get_ue_wcqi(mod_id, UE_id)]; -// mcs = cmin(mcs,16); -// } - -// #endif - - /*Get pre available resource blocks based on buffers*/ - nb_available_rb = ue_sched_ctl->pre_nb_available_rbs[CC_id]; - // initializing the rb allocation indicator for each UE - for(j = 0; j < flexran_get_N_RBG(mod_id, CC_id); j++) { - - UE_list->UE_template[CC_id][UE_id].rballoc_subband[harq_pid][j] = 0; - rballoc_sub[j] = 0; - } - - /* LOG_D(MAC,"[eNB %d] Frame %d: Scheduling UE %d on CC_id %d (rnti %x, harq_pid %d, round %d, rb %d, cqi %d, mcs %d, rrc %d)\n", */ - /* mod_id, frame, UE_id, CC_id, rnti, harq_pid, round, nb_available_rb, */ - /* eNB_UE_stats->DL_cqi[0], mcs, */ - /* UE_list->eNB_UE_stats[CC_id][UE_id].rrc_status); */ - - dl_dci = (Protocol__FlexDlDci*) malloc(sizeof(Protocol__FlexDlDci)); - protocol__flex_dl_dci__init(dl_dci); - dl_data[num_ues_added]->dl_dci = dl_dci; - - - dl_dci->has_rnti = 1; - dl_dci->rnti = rnti; - dl_dci->has_harq_process = 1; - dl_dci->harq_process = harq_pid; - - /* process retransmission */ - if (round > 0) { - - LOG_D(FLEXRAN_AGENT, "There was a retransmission just now and the round was %d\n", round); - - if (flexran_get_duplex_mode(mod_id, CC_id) == PROTOCOL__FLEX_DUPLEX_MODE__FLDM_TDD) { - UE_list->UE_template[CC_id][UE_id].DAI++; - update_ul_dci(mod_id, CC_id, rnti, UE_list->UE_template[CC_id][UE_id].DAI); - LOG_D(MAC,"DAI update: CC_id %d subframeP %d: UE %d, DAI %d\n", - CC_id, subframe,UE_id,UE_list->UE_template[CC_id][UE_id].DAI); - } - - mcs = UE_list->UE_template[CC_id][UE_id].mcs[harq_pid]; - - // get freq_allocation - nb_rb = UE_list->UE_template[CC_id][UE_id].nb_rb[harq_pid]; - - /*TODO: Must add this to FlexRAN agent API */ - dci_tbs = mac_xface->get_TBS_DL(mcs, nb_rb); - - if (nb_rb <= nb_available_rb) { - - if(nb_rb == ue_sched_ctl->pre_nb_available_rbs[CC_id]) { - for(j = 0; j < flexran_get_N_RBG(mod_id, CC_id); j++) { // for indicating the rballoc for each sub-band - UE_list->UE_template[CC_id][UE_id].rballoc_subband[harq_pid][j] = ue_sched_ctl->rballoc_sub_UE[CC_id][j]; - } - } else { - nb_rb_temp = nb_rb; - j = 0; - - while((nb_rb_temp > 0) && (j < flexran_get_N_RBG(mod_id, CC_id))) { - if(ue_sched_ctl->rballoc_sub_UE[CC_id][j] == 1) { - UE_list->UE_template[CC_id][UE_id].rballoc_subband[harq_pid][j] = ue_sched_ctl->rballoc_sub_UE[CC_id][j]; - - if((j == flexran_get_N_RBG(mod_id, CC_id) - 1) && - ((flexran_get_N_RB_DL(mod_id, CC_id) == 25)|| - (flexran_get_N_RB_DL(mod_id, CC_id) == 50))) { - nb_rb_temp = nb_rb_temp - min_rb_unit[CC_id]+1; - } else { - nb_rb_temp = nb_rb_temp - min_rb_unit[CC_id]; - } - } - j = j + 1; - } - } - - nb_available_rb -= nb_rb; - PHY_vars_eNB_g[mod_id][CC_id]->mu_mimo_mode[UE_id].pre_nb_available_rbs = nb_rb; - PHY_vars_eNB_g[mod_id][CC_id]->mu_mimo_mode[UE_id].dl_pow_off = ue_sched_ctl->dl_pow_off[CC_id]; - - for(j=0; j < flexran_get_N_RBG(mod_id, CC_id); j++) { - PHY_vars_eNB_g[mod_id][CC_id]->mu_mimo_mode[UE_id].rballoc_sub[j] = UE_list->UE_template[CC_id][UE_id].rballoc_subband[harq_pid][j]; - rballoc_sub[j] = UE_list->UE_template[CC_id][UE_id].rballoc_subband[harq_pid][j]; - } - - // Keep the old NDI, do not toggle - ndi = UE_list->UE_template[CC_id][UE_id].oldNDI[harq_pid]; - tpc = UE_list->UE_template[CC_id][UE_id].oldTPC[harq_pid]; - UE_list->UE_template[CC_id][UE_id].mcs[harq_pid] = mcs; - - ue_has_transmission = 1; - num_ues_added++; - } else { - LOG_D(MAC,"[eNB %d] Frame %d CC_id %d : don't schedule UE %d, its retransmission takes more resources than we have\n", - mod_id, frame, CC_id, UE_id); - ue_has_transmission = 0; - } - //End of retransmission - } - - else { /* This is a potentially new SDU opportunity */ - rlc_status.bytes_in_buffer = 0; - // Now check RLC information to compute number of required RBs - // get maximum TBS size for RLC request - //TBS = mac_xface->get_TBS(eNB_UE_stats->DL_cqi[0]<<1,nb_available_rb); - TBS = mac_xface->get_TBS_DL(mcs, nb_available_rb); - dci_tbs = TBS; - LOG_D(FLEXRAN_AGENT, "TBS is %d\n", TBS); - - // check first for RLC data on DCCH - // add the length for all the control elements (timing adv, drx, etc) : header + payload - - ta_len = (ue_sched_ctl->ta_update != 0) ? 2 : 0; - - dl_data[num_ues_added]->n_ce_bitmap = 2; - dl_data[num_ues_added]->ce_bitmap = (uint32_t *) calloc(2, sizeof(uint32_t)); - - if (ta_len > 0) { - ce_flags |= PROTOCOL__FLEX_CE_TYPE__FLPCET_TA; - } - - /*TODO: Add other flags if DRX and other CE are required*/ - - // Add the control element flags to the flexran message - dl_data[num_ues_added]->ce_bitmap[0] = ce_flags; - dl_data[num_ues_added]->ce_bitmap[1] = ce_flags; - - // TODO : Need to prioritize DRBs - // Loop through the UE logical channels (DCCH, DCCH1, DTCH for now) - header_len = 0; - header_len_last = 0; - sdu_length_total = 0; - for (j = 1; j < NB_RB_MAX; j++) { - header_len += 3; - // Need to see if we have space for data from this channel - if (dci_tbs - ta_len - header_len - sdu_length_total > 0) { - LOG_D(MAC, "[TEST]Requested %d bytes from RLC buffer on channel %d during first call\n", dci_tbs-ta_len-header_len, j); - //If we have space, we need to see how much data we can request at most (if any available) - rlc_status = mac_rlc_status_ind(mod_id, - rnti, - mod_id, - frame, - subframe, - ENB_FLAG_YES, - MBMS_FLAG_NO, - j, - (dci_tbs - ta_len - header_len - sdu_length_total)); // transport block set size - - //If data are available in channel j - if (rlc_status.bytes_in_buffer > 0) { - LOG_D(MAC, "[TEST]Have %d bytes in DCCH buffer during first call\n", rlc_status.bytes_in_buffer); - //Fill in as much as possible - data_to_request = cmin(dci_tbs - ta_len - header_len - sdu_length_total, rlc_status.bytes_in_buffer); - LOG_D(FLEXRAN_AGENT, "Will request %d bytes from channel %d\n", data_to_request, j); - - if (data_to_request < 128) { //The header will be one byte less - header_len--; - header_len_last = 2; - } - else { - - header_len_last = 3; - } - /* if (j == 1 || j == 2) { - data_to_request+=0; - } */ - LOG_D(MAC, "[TEST]Will request %d from channel %d\n", data_to_request, j); - rlc_pdus[channels_added] = (Protocol__FlexRlcPdu *) malloc(sizeof(Protocol__FlexRlcPdu)); - protocol__flex_rlc_pdu__init(rlc_pdus[channels_added]); - rlc_pdus[channels_added]->n_rlc_pdu_tb = 2; - rlc_pdus[channels_added]->rlc_pdu_tb = (Protocol__FlexRlcPduTb **) malloc(sizeof(Protocol__FlexRlcPduTb *) * 2); - rlc_pdus[channels_added]->rlc_pdu_tb[0] = (Protocol__FlexRlcPduTb *) malloc(sizeof(Protocol__FlexRlcPduTb)); - protocol__flex_rlc_pdu_tb__init(rlc_pdus[channels_added]->rlc_pdu_tb[0]); - rlc_pdus[channels_added]->rlc_pdu_tb[0]->has_logical_channel_id = 1; - rlc_pdus[channels_added]->rlc_pdu_tb[0]->logical_channel_id = j; - rlc_pdus[channels_added]->rlc_pdu_tb[0]->has_size = 1; - rlc_pdus[channels_added]->rlc_pdu_tb[0]->size = data_to_request; - rlc_pdus[channels_added]->rlc_pdu_tb[1] = (Protocol__FlexRlcPduTb *) malloc(sizeof(Protocol__FlexRlcPduTb)); - protocol__flex_rlc_pdu_tb__init(rlc_pdus[channels_added]->rlc_pdu_tb[1]); - rlc_pdus[channels_added]->rlc_pdu_tb[1]->has_logical_channel_id = 1; - rlc_pdus[channels_added]->rlc_pdu_tb[1]->logical_channel_id = j; - rlc_pdus[channels_added]->rlc_pdu_tb[1]->has_size = 1; - rlc_pdus[channels_added]->rlc_pdu_tb[1]->size = data_to_request; - dl_data[num_ues_added]->n_rlc_pdu++; - channels_added++; - //Set this to the max value that we might request - sdu_length_total += data_to_request; - } else { - //Take back the assumption of a header for this channel - header_len -= 3; - } //End rlc_status.bytes_in_buffer <= 0 - } //end of if dci_tbs - ta_len - header_len > 0 - } // End of iterating the logical channels - - // Add rlc_pdus to the dl_data message - dl_data[num_ues_added]->rlc_pdu = (Protocol__FlexRlcPdu **) malloc(sizeof(Protocol__FlexRlcPdu *) * - dl_data[num_ues_added]->n_rlc_pdu); - for (i = 0; i < dl_data[num_ues_added]->n_rlc_pdu; i++) { - dl_data[num_ues_added]->rlc_pdu[i] = rlc_pdus[i]; - } - - if (header_len == 0) { - LOG_D(FLEXRAN_AGENT, "Header was empty\n"); - header_len_last = 0; - } - - // there is a payload - if ((dl_data[num_ues_added]->n_rlc_pdu > 0)) { - // Now compute number of required RBs for total sdu length - // Assume RAH format 2 - // adjust header lengths - LOG_D(FLEXRAN_AGENT, "We have %d bytes to transfer\n", sdu_length_total); - if (header_len != 0) { - LOG_D(FLEXRAN_AGENT, "Header length was %d ", header_len); - header_len_last--; - header_len -= header_len_last; - LOG_D(FLEXRAN_AGENT, "so we resized it to %d\n", header_len); - } - - /* if (header_len == 2 || header_len == 3) { //Only one SDU, remove length field */ - /* header_len = 1; */ - /* } else { //Remove length field from the last SDU */ - /* header_len--; */ - /* } */ - - mcs_tmp = mcs; - if (mcs_tmp == 0) { - nb_rb = 4; // don't let the TBS get too small - } else { - nb_rb=min_rb_unit[CC_id]; - } - - LOG_D(MAC,"[TEST]The initial number of resource blocks was %d\n", nb_rb); - LOG_D(MAC,"[TEST] The initial mcs was %d\n", mcs_tmp); - - TBS = mac_xface->get_TBS_DL(mcs_tmp, nb_rb); - LOG_D(MAC,"[TEST]The TBS during rate matching was %d\n", TBS); - - while (TBS < (sdu_length_total + header_len + ta_len)) { - nb_rb += min_rb_unit[CC_id]; // - LOG_D(MAC, "[TEST]Had to increase the number of RBs\n"); - if (nb_rb > nb_available_rb) { // if we've gone beyond the maximum number of RBs - // (can happen if N_RB_DL is odd) - TBS = mac_xface->get_TBS_DL(mcs_tmp, nb_available_rb); - nb_rb = nb_available_rb; - break; - } - - TBS = mac_xface->get_TBS_DL(mcs_tmp, nb_rb); - } - - if(nb_rb == ue_sched_ctl->pre_nb_available_rbs[CC_id]) { - LOG_D(MAC, "[TEST]We had the exact number of rbs. Time to fill the rballoc subband\n"); - for(j = 0; j < flexran_get_N_RBG(mod_id, CC_id); j++) { // for indicating the rballoc for each sub-band - UE_list->UE_template[CC_id][UE_id].rballoc_subband[harq_pid][j] = ue_sched_ctl->rballoc_sub_UE[CC_id][j]; - } - } - else { - nb_rb_temp = nb_rb; - j = 0; - LOG_D(MAC, "[TEST]Will only partially fill the bitmap\n"); - while((nb_rb_temp > 0) && (j < flexran_get_N_RBG(mod_id, CC_id))) { - if(ue_sched_ctl->rballoc_sub_UE[CC_id][j] == 1) { - UE_list->UE_template[CC_id][UE_id].rballoc_subband[harq_pid][j] = ue_sched_ctl->rballoc_sub_UE[CC_id][j]; - if ((j == flexran_get_N_RBG(mod_id, CC_id) - 1) && - ((flexran_get_N_RB_DL(mod_id, CC_id) == 25)|| - (flexran_get_N_RB_DL(mod_id, CC_id) == 50))) { - nb_rb_temp = nb_rb_temp - min_rb_unit[CC_id] + 1; - } else { - nb_rb_temp = nb_rb_temp - min_rb_unit[CC_id]; - } - } - j = j+1; - } - } - - PHY_vars_eNB_g[mod_id][CC_id]->mu_mimo_mode[UE_id].pre_nb_available_rbs = nb_rb; - PHY_vars_eNB_g[mod_id][CC_id]->mu_mimo_mode[UE_id].dl_pow_off = ue_sched_ctl->dl_pow_off[CC_id]; - - for(j = 0; j < flexran_get_N_RBG(mod_id, CC_id); j++) { - PHY_vars_eNB_g[mod_id][CC_id]->mu_mimo_mode[UE_id].rballoc_sub[j] = UE_list->UE_template[CC_id][UE_id].rballoc_subband[harq_pid][j]; - } - - // decrease mcs until TBS falls below required length - while ((TBS > (sdu_length_total + header_len + ta_len)) && (mcs_tmp > 0)) { - mcs_tmp--; - TBS = mac_xface->get_TBS_DL(mcs_tmp, nb_rb); - } - - // if we have decreased too much or we don't have enough RBs, increase MCS - while ((TBS < (sdu_length_total + header_len + ta_len)) && - ((( ue_sched_ctl->dl_pow_off[CC_id] > 0) && (mcs_tmp < 28)) || ( (ue_sched_ctl->dl_pow_off[CC_id]==0) && (mcs_tmp <= 15)))) { - mcs_tmp++; - TBS = mac_xface->get_TBS_DL(mcs_tmp, nb_rb); - } - - dci_tbs = TBS; - mcs = mcs_tmp; - LOG_D(FLEXRAN_AGENT, "Final mcs was %d\n", mcs); - - dl_dci->has_aggr_level = 1; - dl_dci->aggr_level = aggregation; - - UE_list->UE_template[CC_id][UE_id].nb_rb[harq_pid] = nb_rb; - - // if (flexran_get_duplex_mode(mod_id, CC_id) == PROTOCOL__FLEX_DUPLEX_MODE__FLDM_TDD) { - // UE_list->UE_template[CC_id][UE_id].DAI++; - // // printf("DAI update: subframeP %d: UE %d, DAI %d\n",subframeP,UE_id,UE_list->UE_template[CC_id][UE_id].DAI); - //#warning only for 5MHz channel - // update_ul_dci(mod_id, CC_id, rnti, UE_list->UE_template[CC_id][UE_id].DAI); - // } - - // do PUCCH power control - // this is the normalized RX power - normalized_rx_power = flexran_get_p0_pucch_dbm(mod_id,UE_id, CC_id); //eNB_UE_stats->Po_PUCCH_dBm; - target_rx_power = flexran_get_p0_nominal_pucch(mod_id, CC_id) + 20; //mac_xface->get_target_pucch_rx_power(mod_id, CC_id) + 20; - // 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_list->UE_template[CC_id][UE_id].pucch_tpc_tx_frame*10+UE_list->UE_template[CC_id][UE_id].pucch_tpc_tx_subframe; - - if (((framex10psubframe+10)<=(frame*10+subframe)) || //normal case - ((framex10psubframe>(frame*10+subframe)) && (((10240-framex10psubframe+frame*10+subframe)>=10)))) //frame wrap-around - if (flexran_get_p0_pucch_status(mod_id, UE_id, CC_id) == 1) { - flexran_update_p0_pucch(mod_id, UE_id, CC_id); - - UE_list->UE_template[CC_id][UE_id].pucch_tpc_tx_frame = frame; - UE_list->UE_template[CC_id][UE_id].pucch_tpc_tx_subframe = subframe; - if (normalized_rx_power>(target_rx_power+1)) { - tpc = 0; //-1 - tpc_accumulated--; - } else if (normalized_rx_power<(target_rx_power-1)) { - tpc = 2; //+1 - tpc_accumulated++; - } else { - tpc = 1; //0 - } - LOG_D(MAC,"[eNB %d] DLSCH scheduler: frame %d, subframe %d, harq_pid %d, tpc %d, accumulated %d, normalized/target rx power %d/%d\n", - mod_id, frame, subframe, harq_pid, tpc, - tpc_accumulated, normalized_rx_power, target_rx_power); - } // Po_PUCCH has been updated - else { - tpc = 1; //0 - } // time to do TPC update - else { - tpc = 1; //0 - } - - for(i=0; i<PHY_vars_eNB_g[mod_id][CC_id]->frame_parms.N_RBG; i++) { - rballoc_sub[i] = UE_list->UE_template[CC_id][UE_id].rballoc_subband[harq_pid][i]; - } - - // Toggle NDI - LOG_D(MAC,"CC_id %d Frame %d, subframeP %d: Toggling Format1 NDI for UE %d (rnti %x/%d) oldNDI %d\n", - CC_id, frame, subframe, UE_id, - UE_list->UE_template[CC_id][UE_id].rnti,harq_pid, UE_list->UE_template[CC_id][UE_id].oldNDI[harq_pid]); - UE_list->UE_template[CC_id][UE_id].oldNDI[harq_pid]= 1 - UE_list->UE_template[CC_id][UE_id].oldNDI[harq_pid]; - ndi = UE_list->UE_template[CC_id][UE_id].oldNDI[harq_pid]; - - UE_list->UE_template[CC_id][UE_id].mcs[harq_pid] = mcs; - UE_list->UE_template[CC_id][UE_id].oldTPC[harq_pid] = tpc; - - // Increase the pointer for the number of scheduled UEs - num_ues_added++; - ue_has_transmission = 1; - } else { // There is no data from RLC or MAC header, so don't schedule - ue_has_transmission = 0; - } - } // End of new scheduling - - // If we has transmission or retransmission - if (ue_has_transmission) { - switch (mac_xface->get_transmission_mode(mod_id, CC_id, rnti)) { - case 1: - case 2: - default: - dl_dci->has_res_alloc = 1; - dl_dci->res_alloc = 0; - dl_dci->has_vrb_format = 1; - dl_dci->vrb_format = PROTOCOL__FLEX_VRB_FORMAT__FLVRBF_LOCALIZED; - dl_dci->has_format = 1; - dl_dci->format = PROTOCOL__FLEX_DCI_FORMAT__FLDCIF_1; - dl_dci->has_rb_bitmap = 1; - dl_dci->rb_bitmap = allocate_prbs_sub(nb_rb, rballoc_sub); - dl_dci->has_rb_shift = 1; - dl_dci->rb_shift = 0; - dl_dci->n_ndi = 1; - dl_dci->ndi = (uint32_t *) malloc(sizeof(uint32_t) * dl_dci->n_ndi); - dl_dci->ndi[0] = ndi; - dl_dci->n_rv = 1; - dl_dci->rv = (uint32_t *) malloc(sizeof(uint32_t) * dl_dci->n_rv); - dl_dci->rv[0] = round & 3; - dl_dci->has_tpc = 1; - dl_dci->tpc = tpc; - dl_dci->n_mcs = 1; - dl_dci->mcs = (uint32_t *) malloc(sizeof(uint32_t) * dl_dci->n_mcs); - dl_dci->mcs[0] = mcs; - dl_dci->n_tbs_size = 1; - dl_dci->tbs_size = (uint32_t *) malloc(sizeof(uint32_t) * dl_dci->n_tbs_size); - dl_dci->tbs_size[0] = dci_tbs; - if (flexran_get_duplex_mode(mod_id, CC_id) == PROTOCOL__FLEX_DUPLEX_MODE__FLDM_TDD) { - dl_dci->has_dai = 1; - dl_dci->dai = (UE_list->UE_template[CC_id][UE_id].DAI-1)&3; - } - break; - case 3: - dl_dci->has_res_alloc = 1; - dl_dci->res_alloc = 0; - dl_dci->has_vrb_format = 1; - dl_dci->vrb_format = PROTOCOL__FLEX_VRB_FORMAT__FLVRBF_LOCALIZED; - dl_dci->has_format = 1; - dl_dci->format = PROTOCOL__FLEX_DCI_FORMAT__FLDCIF_2A; - dl_dci->has_rb_bitmap = 1; - dl_dci->rb_bitmap = allocate_prbs_sub(nb_rb, rballoc_sub); - dl_dci->has_rb_shift = 1; - dl_dci->rb_shift = 0; - dl_dci->n_ndi = 2; - dl_dci->ndi = (uint32_t *) malloc(sizeof(uint32_t) * dl_dci->n_ndi); - dl_dci->ndi[0] = ndi; - dl_dci->ndi[1] = ndi; - dl_dci->n_rv = 2; - dl_dci->rv = (uint32_t *) malloc(sizeof(uint32_t) * dl_dci->n_rv); - dl_dci->rv[0] = round & 3; - dl_dci->rv[1] = round & 3; - dl_dci->has_tpc = 1; - dl_dci->tpc = tpc; - dl_dci->n_mcs = 2; - dl_dci->mcs = (uint32_t *) malloc(sizeof(uint32_t) * dl_dci->n_mcs); - dl_dci->mcs[0] = mcs; - dl_dci->mcs[1] = mcs; - dl_dci->n_tbs_size = 2; - dl_dci->tbs_size = (uint32_t *) malloc(sizeof(uint32_t) * dl_dci->n_tbs_size); - dl_dci->tbs_size[0] = dci_tbs; - dl_dci->tbs_size[1] = dci_tbs; - if (flexran_get_duplex_mode(mod_id, CC_id) == PROTOCOL__FLEX_DUPLEX_MODE__FLDM_TDD) { - dl_dci->has_dai = 1; - dl_dci->dai = (UE_list->UE_template[CC_id][UE_id].DAI-1)&3; - } - break; - case 4: - dl_dci->has_res_alloc = 1; - dl_dci->res_alloc = 0; - dl_dci->has_vrb_format = 1; - dl_dci->vrb_format = PROTOCOL__FLEX_VRB_FORMAT__FLVRBF_LOCALIZED; - dl_dci->has_format = 1; - dl_dci->format = PROTOCOL__FLEX_DCI_FORMAT__FLDCIF_2A; - dl_dci->has_rb_bitmap = 1; - dl_dci->rb_bitmap = allocate_prbs_sub(nb_rb, rballoc_sub); - dl_dci->has_rb_shift = 1; - dl_dci->rb_shift = 0; - dl_dci->n_ndi = 2; - dl_dci->ndi = (uint32_t *) malloc(sizeof(uint32_t) * dl_dci->n_ndi); - dl_dci->ndi[0] = ndi; - dl_dci->ndi[1] = ndi; - dl_dci->n_rv = 2; - dl_dci->rv = (uint32_t *) malloc(sizeof(uint32_t) * dl_dci->n_rv); - dl_dci->rv[0] = round & 3; - dl_dci->rv[1] = round & 3; - dl_dci->has_tpc = 1; - dl_dci->tpc = tpc; - dl_dci->n_mcs = 2; - dl_dci->mcs = (uint32_t *) malloc(sizeof(uint32_t) * dl_dci->n_mcs); - dl_dci->mcs[0] = mcs; - dl_dci->mcs[1] = mcs; - dl_dci->n_tbs_size = 2; - dl_dci->tbs_size = (uint32_t *) malloc(sizeof(uint32_t) * dl_dci->n_tbs_size); - dl_dci->tbs_size[0] = dci_tbs; - dl_dci->tbs_size[1] = dci_tbs; - if (flexran_get_duplex_mode(mod_id, CC_id) == PROTOCOL__FLEX_DUPLEX_MODE__FLDM_TDD) { - dl_dci->has_dai = 1; - dl_dci->dai = (UE_list->UE_template[CC_id][UE_id].DAI-1)&3; - } - break; - case 5: - dl_dci->has_res_alloc = 1; - dl_dci->res_alloc = 0; - dl_dci->has_vrb_format = 1; - dl_dci->vrb_format = PROTOCOL__FLEX_VRB_FORMAT__FLVRBF_LOCALIZED; - dl_dci->has_format = 1; - dl_dci->format = PROTOCOL__FLEX_DCI_FORMAT__FLDCIF_1D; - dl_dci->has_rb_bitmap = 1; - dl_dci->rb_bitmap = allocate_prbs_sub(nb_rb, rballoc_sub); - dl_dci->has_rb_shift = 1; - dl_dci->rb_shift = 0; - dl_dci->n_ndi = 1; - dl_dci->ndi[0] = ndi; - dl_dci->n_rv = 1; - dl_dci->rv = (uint32_t *) malloc(sizeof(uint32_t) * dl_dci->n_rv); - dl_dci->rv[0] = round & 3; - dl_dci->has_tpc = 1; - dl_dci->tpc = tpc; - dl_dci->n_mcs = 1; - dl_dci->mcs = (uint32_t *) malloc(sizeof(uint32_t) * dl_dci->n_mcs); - dl_dci->mcs[0] = mcs; - dl_dci->n_tbs_size = 1; - dl_dci->tbs_size = (uint32_t *) malloc(sizeof(uint32_t) * dl_dci->n_tbs_size); - dl_dci->tbs_size[0] = dci_tbs; - if (flexran_get_duplex_mode(mod_id, CC_id) == PROTOCOL__FLEX_DUPLEX_MODE__FLDM_TDD) { - dl_dci->has_dai = 1; - dl_dci->dai = (UE_list->UE_template[CC_id][UE_id].DAI-1)&3; - } - - if(ue_sched_ctl->dl_pow_off[CC_id] == 2) { - ue_sched_ctl->dl_pow_off[CC_id] = 1; - } - - dl_dci->has_dl_power_offset = 1; - dl_dci->dl_power_offset = ue_sched_ctl->dl_pow_off[CC_id]; - dl_dci->has_precoding_info = 1; - dl_dci->precoding_info = 5; // Is this right?? - - break; - case 6: - dl_dci->has_res_alloc = 1; - dl_dci->res_alloc = 0; - dl_dci->has_vrb_format = 1; - dl_dci->vrb_format = PROTOCOL__FLEX_VRB_FORMAT__FLVRBF_LOCALIZED; - dl_dci->has_format = 1; - dl_dci->format = PROTOCOL__FLEX_DCI_FORMAT__FLDCIF_1D; - dl_dci->has_rb_bitmap = 1; - dl_dci->rb_bitmap = allocate_prbs_sub(nb_rb, rballoc_sub); - dl_dci->has_rb_shift = 1; - dl_dci->rb_shift = 0; - dl_dci->n_ndi = 1; - dl_dci->ndi = (uint32_t *) malloc(sizeof(uint32_t) * dl_dci->n_ndi); - dl_dci->ndi[0] = ndi; - dl_dci->n_rv = 1; - dl_dci->rv = (uint32_t *) malloc(sizeof(uint32_t) * dl_dci->n_rv); - dl_dci->rv[0] = round & 3; - dl_dci->has_tpc = 1; - dl_dci->tpc = tpc; - dl_dci->n_mcs = 1; - dl_dci->mcs = (uint32_t *) malloc(sizeof(uint32_t) * dl_dci->n_mcs); - dl_dci->mcs[0] = mcs; - if (flexran_get_duplex_mode(mod_id, CC_id) == PROTOCOL__FLEX_DUPLEX_MODE__FLDM_TDD) { - dl_dci->has_dai = 1; - dl_dci->dai = (UE_list->UE_template[CC_id][UE_id].DAI-1)&3; - } - - dl_dci->has_dl_power_offset = 1; - dl_dci->dl_power_offset = ue_sched_ctl->dl_pow_off[CC_id]; - dl_dci->has_precoding_info = 1; - dl_dci->precoding_info = 5; // Is this right?? - break; - } - } - - // if (flexran_get_duplex_mode(mod_id, CC_id) == PROTOCOL__FLEX_DUPLEX_MODE__FLDM_TDD) { - - /* TODO */ - //set_ul_DAI(mod_id, UE_id, CC_id, frame, subframe, frame_parms); - // } - } // UE_id loop - } // CC_id loop - - // Add all the dl_data elements to the flexran message - int offset = (*dl_info)->dl_mac_config_msg->n_dl_ue_data; - (*dl_info)->dl_mac_config_msg->n_dl_ue_data += num_ues_added; - if ( num_ues_added > 0 ){ - (*dl_info)->dl_mac_config_msg->dl_ue_data = (Protocol__FlexDlData **) realloc( (*dl_info)->dl_mac_config_msg->dl_ue_data, - sizeof(Protocol__FlexDlData *) * ((*dl_info)->dl_mac_config_msg->n_dl_ue_data)); - if ((*dl_info)->dl_mac_config_msg->dl_ue_data == NULL ){ - LOG_E(MAC, "Request for memory reallocation failed\n"); - return; - } - for (i = 0; i < num_ues_added; i++) { - (*dl_info)->dl_mac_config_msg->dl_ue_data[offset+i] = dl_data[i]; - } - } - - stop_meas(&eNB->schedule_dlsch); - VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_SCHEDULE_DLSCH,VCD_FUNCTION_OUT); -} diff --git a/openair2/LAYER2/MAC/flexran_agent_scheduler_dlsch_ue_remote.c b/openair2/LAYER2/MAC/flexran_agent_scheduler_dlsch_ue_remote.c deleted file mode 100644 index 2b0bf72015..0000000000 --- a/openair2/LAYER2/MAC/flexran_agent_scheduler_dlsch_ue_remote.c +++ /dev/null @@ -1,202 +0,0 @@ -/* - * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more - * contributor license agreements. See the NOTICE file distributed with - * this work for additional information regarding copyright ownership. - * The OpenAirInterface Software Alliance licenses this file to You under - * the OAI Public License, Version 1.1 (the "License"); you may not use this file - * except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.openairinterface.org/?page_id=698 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - *------------------------------------------------------------------------------- - * For more information about the OpenAirInterface (OAI) Software Alliance: - * contact@openairinterface.org - */ - -/*! \file flexran_agent_scheduler_dlsch_ue_remote.c - * \brief procedures related to remote scheduling in the DLSCH transport channel - * \author Xenofon Foukas - * \date 2016 - * \email: x.foukas@sms.ed.ac.uk - * \version 0.1 - * @ingroup _mac - - */ - -#include "flexran_agent_common_internal.h" -#include "flexran_agent_ran_api.h" -#include "flexran_agent_scheduler_dlsch_ue_remote.h" - -#include "LAYER2/MAC/defs.h" -#include "LAYER2/MAC/extern.h" - -struct DlMacConfigHead queue_head; - -int queue_initialized = 0; - -//uint32_t skip_subframe = 1; -//uint32_t period = 10; -//uint32_t sched [] = {1, 2, 3}; - -void -flexran_schedule_ue_spec_remote(mid_t mod_id, uint32_t frame, - uint32_t subframe, int *mbsfn_flag, - Protocol__FlexranMessage ** dl_info) -{ - - - //if ((subframe == skip_subframe) && (frame % period == 0)) { - // LOG_I(MAC, "Will skip subframe %d %d\n", subframe, frame); - // for (int i = 0; i < 3; i++) { - // LOG_I(MAC, "%d\n", sched[i]); - // } - //} - - /* if (frame == 500 && subframe == 1) { */ - /* char policy[] = "rrc: \n - ul_scheduler: \n behavior : tester_function\n parameters:\n period: !!int 3\nmac: \n - dl_scheduler: \n parameters: \n period : !!int 40\n skip_subframe : !!int 3\n sched : [!!int 4, !!int 5, !!int 6]"; */ - /* apply_reconfiguration_policy(mod_id, policy, strlen(policy)); */ - /* } */ - - eNB_MAC_INST *eNB; - - if (!queue_initialized) { - TAILQ_INIT(&queue_head); - queue_initialized = 1; - } - - eNB = &eNB_mac_inst[mod_id]; - - dl_mac_config_element_t *dl_config_elem; - - int diff; - LOG_D(MAC, "[TEST] Current frame and subframe %d, %d\n", frame, - subframe); - // First we check to see if we have a scheduling decision for this sfn_sf already in our queue - while (queue_head.tqh_first != NULL) { - dl_config_elem = queue_head.tqh_first; - - diff = - get_sf_difference(mod_id, - dl_config_elem->dl_info-> - dl_mac_config_msg->sfn_sf); - // Check if this decision is for now, for a later or a previous subframe - if (diff == 0) { // Now - LOG_D(MAC, - "Found a decision for this subframe in the queue. Let's use it!\n"); - TAILQ_REMOVE(&queue_head, queue_head.tqh_first, configs); - *dl_info = dl_config_elem->dl_info; - free(dl_config_elem); - eNB->eNB_stats[mod_id].sched_decisions++; - return; - } else if (diff < 0) { //previous subframe , delete message and free memory - LOG_D(MAC, - "Found a decision for a previous subframe in the queue. Let's get rid of it\n"); - TAILQ_REMOVE(&queue_head, queue_head.tqh_first, configs); - flexran_agent_mac_destroy_dl_config(dl_config_elem->dl_info); - free(dl_config_elem); - eNB->eNB_stats[mod_id].sched_decisions++; - eNB->eNB_stats[mod_id].missed_deadlines++; - } else { // next subframe, nothing to do now - LOG_D(MAC, - "Found a decision for a future subframe in the queue. Nothing to do now\n"); - flexran_agent_mac_create_empty_dl_config(mod_id, dl_info); - return; - } - } - - //Done with the local cache. Now we need to check if something new arrived - flexran_agent_get_pending_dl_mac_config(mod_id, dl_info); - while (*dl_info != NULL) { - - diff = - get_sf_difference(mod_id, - (*dl_info)->dl_mac_config_msg->sfn_sf); - if (diff == 0) { // Got a command for this sfn_sf - LOG_D(MAC, - "Found a decision for this subframe pending. Let's use it\n"); - eNB->eNB_stats[mod_id].sched_decisions++; - return; - } else if (diff < 0) { - LOG_D(MAC, - "Found a decision for a previous subframe. Let's get rid of it\n"); - flexran_agent_mac_destroy_dl_config(*dl_info); - *dl_info = NULL; - flexran_agent_get_pending_dl_mac_config(mod_id, dl_info); - eNB->eNB_stats[mod_id].sched_decisions++; - eNB->eNB_stats[mod_id].missed_deadlines++; - } else { // Intended for future subframe. Store it in local cache - LOG_D(MAC, - "Found a decision for a future subframe in the queue. Let's store it in the cache\n"); - dl_mac_config_element_t *e = - malloc(sizeof(dl_mac_config_element_t)); - e->dl_info = *dl_info; - TAILQ_INSERT_TAIL(&queue_head, e, configs); - flexran_agent_mac_create_empty_dl_config(mod_id, dl_info); - // No need to look for another. Messages arrive ordered - return; - } - } - - // We found no pending command, so we will simply pass an empty one - flexran_agent_mac_create_empty_dl_config(mod_id, dl_info); -} - -int get_sf_difference(mid_t mod_id, uint32_t sfn_sf) -{ - int diff_in_subframes; - - uint16_t current_frame = flexran_get_current_system_frame_num(mod_id); - uint16_t current_subframe = flexran_get_current_subframe(mod_id); - uint32_t current_sfn_sf = flexran_get_sfn_sf(mod_id); - - if (sfn_sf == current_sfn_sf) { - return 0; - } - - uint16_t frame_mask = ((1 << 12) - 1); - uint16_t frame = (sfn_sf & (frame_mask << 4)) >> 4; - - uint16_t sf_mask = ((1 << 4) - 1); - uint16_t subframe = (sfn_sf & sf_mask); - - LOG_D(MAC, "[TEST] Target frame and subframe %d, %d\n", frame, - subframe); - - if (frame == current_frame) { - return subframe - current_subframe; - } else if (frame > current_frame) { - diff_in_subframes = - ((frame * 10) + subframe) - ((current_frame * 10) + - current_subframe); - - // diff_in_subframes = 9 - current_subframe; - //diff_in_subframes += (subframe + 1); - //diff_in_subframes += (frame-2) * 10; - if (diff_in_subframes > SCHED_AHEAD_SUBFRAMES) { - return -1; - } else { - return 1; - } - } else { //frame < current_frame - //diff_in_subframes = 9 - current_subframe; - //diff_in_subframes += (subframe + 1); - //if (frame > 0) { - // diff_in_subframes += (frame - 1) * 10; - //} - //diff_in_subframes += (1023 - current_frame) * 10; - diff_in_subframes = - 10240 - ((current_frame * 10) + current_subframe) + - ((frame * 10) + subframe); - if (diff_in_subframes > SCHED_AHEAD_SUBFRAMES) { - return -1; - } else { - return 1; - } - } -} diff --git a/openair2/LAYER2/MAC/flexran_agent_scheduler_dlsch_ue_remote.h b/openair2/LAYER2/MAC/flexran_agent_scheduler_dlsch_ue_remote.h deleted file mode 100644 index 449ba1e8cd..0000000000 --- a/openair2/LAYER2/MAC/flexran_agent_scheduler_dlsch_ue_remote.h +++ /dev/null @@ -1,70 +0,0 @@ -/* - * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more - * contributor license agreements. See the NOTICE file distributed with - * this work for additional information regarding copyright ownership. - * The OpenAirInterface Software Alliance licenses this file to You under - * the OAI Public License, Version 1.1 (the "License"); you may not use this file - * except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.openairinterface.org/?page_id=698 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - *------------------------------------------------------------------------------- - * For more information about the OpenAirInterface (OAI) Software Alliance: - * contact@openairinterface.org - */ - -/*! \file flexran_agent_scheduler_dlsch_ue_remote.h - * \brief Local stub for remote scheduler used by the controller - * \author Xenofon Foukas - * \date 2016 - * \email: x.foukas@sms.ed.ac.uk - * \version 0.1 - * @ingroup _mac - - */ - -#ifndef __LAYER2_MAC_FLEXRAN_AGENT_SCHEDULER_DLSCH_UE_REMOTE_H__ -#define __LAYER2_MAC_FLEXRAN_AGENT_SCHEDULER_DLSCH_UE_REMOTE_H___ - -#include "flexran.pb-c.h" -#include "header.pb-c.h" - -#include "ENB_APP/flexran_agent_defs.h" -#include "flexran_agent_mac.h" -#include "LAYER2/MAC/flexran_agent_mac_proto.h" - -#include <sys/queue.h> - -// Maximum value of schedule ahead of time -// Required to identify if a dl_command is for the future or not -#define SCHED_AHEAD_SUBFRAMES 20 - -typedef struct dl_mac_config_element_s { - Protocol__FlexranMessage *dl_info; - TAILQ_ENTRY(dl_mac_config_element_s) configs; -} dl_mac_config_element_t; - -TAILQ_HEAD(DlMacConfigHead, dl_mac_config_element_s); - -/* - * Default scheduler used by the eNB agent - */ -void flexran_schedule_ue_spec_remote(mid_t mod_id, uint32_t frame, - uint32_t subframe, int *mbsfn_flag, - Protocol__FlexranMessage ** dl_info); - - -// Find the difference in subframes from the given subframe -// negative for older value -// 0 for equal -// positive for future value -// Based on -int get_sf_difference(mid_t mod_id, uint32_t sfn_sf); - -#endif diff --git a/openair2/LAYER2/MAC/flexran_agent_scheduler_ulsch_ue.c b/openair2/LAYER2/MAC/flexran_agent_scheduler_ulsch_ue.c deleted file mode 100644 index 86ea61d943..0000000000 --- a/openair2/LAYER2/MAC/flexran_agent_scheduler_ulsch_ue.c +++ /dev/null @@ -1,1112 +0,0 @@ -/* - * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more - * contributor license agreements. See the NOTICE file distributed with - * this work for additional information regarding copyright ownership. - * The OpenAirInterface Software Alliance licenses this file to You under - * the OAI Public License, Version 1.0 (the "License"); you may not use this file - * except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.openairinterface.org/?page_id=698 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - *------------------------------------------------------------------------------- - * For more information about the OpenAirInterface (OAI) Software Alliance: - * contact@openairinterface.org - */ - -/*! \file eNB_scheduler_ulsch.c - * \brief FlexRAN eNB procedures for the ULSCH transport channel - * \author Navid Nikaein and shahab SHARIAT BAGHERI - * \date 2017 - * \version 1.0 - * @ingroup _mac - - */ - -#include "assertions.h" -#include "PHY/defs.h" -#include "PHY/extern.h" - -#include "SCHED/defs.h" -#include "SCHED/extern.h" - -#include "LAYER2/MAC/flexran_agent_mac_proto.h" -#include "LAYER2/MAC/defs.h" -#include "LAYER2/MAC/proto.h" -#include "LAYER2/MAC/extern.h" -#include "UTIL/LOG/log.h" -#include "UTIL/LOG/vcd_signal_dumper.h" -#include "UTIL/OPT/opt.h" -#include "OCG.h" -#include "OCG_extern.h" - -#include "RRC/LITE/extern.h" -#include "RRC/L2_INTERFACE/openair_rrc_L2_interface.h" - -//#include "LAYER2/MAC/pre_processor.c" -#include "ENB_APP/flexran_agent_defs.h" -#include "flexran_agent_ran_api.h" -#include "pdcp.h" - -#include "header.pb-c.h" -#include "flexran.pb-c.h" -#include "flexran_agent_mac.h" - -#if defined(ENABLE_ITTI) -# include "intertask_interface.h" -#endif - -#include "T.h" - -#include <dlfcn.h> - -/* number of active slices for past and current time*/ -int n_active_slices_uplink = 1; -int n_active_slices_current_uplink = 1; - -/* RB share for each slice for past and current time*/ -float avg_slice_percentage_uplink=0.25; -float slice_percentage_uplink[MAX_NUM_SLICES] = {1.0, 0.0, 0.0, 0.0}; -float slice_percentage_current_uplink[MAX_NUM_SLICES] = {1.0, 0.0, 0.0, 0.0}; -float total_slice_percentage_uplink = 0; -float total_slice_percentage_current_uplink = 0; - -// MAX MCS for each slice for past and current time -int slice_maxmcs_uplink[MAX_NUM_SLICES] = {16, 16, 16, 16}; -int slice_maxmcs_current_uplink[MAX_NUM_SLICES] = {16,16,16,16}; - -/*resource blocks allowed*/ -uint16_t nb_rbs_allowed_slice_uplink[MAX_NUM_CCs][MAX_NUM_SLICES]; -/*Slice Update */ -int update_ul_scheduler[MAX_NUM_SLICES] = {1, 1, 1, 1}; -int update_ul_scheduler_current[MAX_NUM_SLICES] = {1, 1, 1, 1}; - - /* Slice Function Pointer */ -slice_scheduler_ul slice_sched_ul[MAX_NUM_SLICES] = {0}; - -/* name of available scheduler*/ -char *ul_scheduler_type[MAX_NUM_SLICES] = {"flexran_schedule_ue_ul_spec_embb", - "flexran_schedule_ue_ul_spec_embb", - "flexran_schedule_ue_ul_spec_embb", - "flexran_schedule_ue_ul_spec_embb" // best effort -}; - - -uint16_t flexran_nb_rbs_allowed_slice_uplink(float rb_percentage, int total_rbs){ - return (uint16_t) floor(rb_percentage * total_rbs); -} - - -void _assign_max_mcs_min_rb(module_id_t module_idP, int slice_id, int frameP, sub_frame_t subframeP, uint16_t *first_rb) -{ - - int i; - uint16_t n,UE_id; - uint8_t CC_id; - rnti_t rnti = -1; - int mcs; - int rb_table_index=0,tbs,tx_power; - eNB_MAC_INST *eNB = &eNB_mac_inst[module_idP]; - UE_list_t *UE_list = &eNB->UE_list; - - UE_TEMPLATE *UE_template; - LTE_DL_FRAME_PARMS *frame_parms; - - - for (i = 0; i < NUMBER_OF_UE_MAX; i++) { - if (UE_list->active[i] != TRUE) continue; - - rnti = UE_RNTI(module_idP,i); - - if (rnti==NOT_A_RNTI) - continue; - if (UE_list->UE_sched_ctrl[i].ul_out_of_sync == 1) - continue; - if (!phy_stats_exist(module_idP, rnti)) - continue; - - if (UE_list->UE_sched_ctrl[i].phr_received == 1) - mcs = 20; // if we've received the power headroom information the UE, we can go to maximum mcs - else - mcs = 10; // otherwise, limit to QPSK PUSCH - - UE_id = i; - - for (n=0; n<UE_list->numactiveULCCs[UE_id]; n++) { - // This is the actual CC_id in the list - CC_id = UE_list->ordered_ULCCids[n][UE_id]; - - if (CC_id >= MAX_NUM_CCs) { - LOG_E( MAC, "CC_id %u should be < %u, loop n=%u < numactiveULCCs[%u]=%u", - CC_id, - MAX_NUM_CCs, - n, - UE_id, - UE_list->numactiveULCCs[UE_id]); - } - - AssertFatal( CC_id < MAX_NUM_CCs, "CC_id %u should be < %u, loop n=%u < numactiveULCCs[%u]=%u", - CC_id, - MAX_NUM_CCs, - n, - UE_id, - UE_list->numactiveULCCs[UE_id]); - frame_parms=mac_xface->get_lte_frame_parms(module_idP,CC_id); - UE_template = &UE_list->UE_template[CC_id][UE_id]; - nb_rbs_allowed_slice_uplink[CC_id][UE_id] = flexran_nb_rbs_allowed_slice_uplink(slice_percentage_uplink[UE_id], flexran_get_N_RB_UL(module_idP, CC_id)); - // if this UE has UL traffic - if (UE_template->ul_total_buffer > 0 ) { - - tbs = mac_xface->get_TBS_UL(mcs,3); // 1 or 2 PRB with cqi enabled does not work well! - // fixme: set use_srs flag - tx_power= mac_xface->estimate_ue_tx_power(tbs,rb_table[rb_table_index],0,frame_parms->Ncp,0); - - while ((((UE_template->phr_info - tx_power) < 0 ) || (tbs > UE_template->ul_total_buffer))&& - (mcs > 3)) { - // LOG_I(MAC,"UE_template->phr_info %d tx_power %d mcs %d\n", UE_template->phr_info,tx_power, mcs); - mcs--; - tbs = mac_xface->get_TBS_UL(mcs,rb_table[rb_table_index]); - tx_power = mac_xface->estimate_ue_tx_power(tbs,rb_table[rb_table_index],0,frame_parms->Ncp,0); // fixme: set use_srs - } - - while ((tbs < UE_template->ul_total_buffer) && - (rb_table[rb_table_index]<(nb_rbs_allowed_slice_uplink[CC_id][UE_id]-first_rb[CC_id])) && - ((UE_template->phr_info - tx_power) > 0) && - (rb_table_index < 32 )) { - // LOG_I(MAC,"tbs %d ul buffer %d rb table %d max ul rb %d\n", tbs, UE_template->ul_total_buffer, rb_table[rb_table_index], frame_parms->N_RB_UL-first_rb[CC_id]); - rb_table_index++; - tbs = mac_xface->get_TBS_UL(mcs,rb_table[rb_table_index]); - tx_power = mac_xface->estimate_ue_tx_power(tbs,rb_table[rb_table_index],0,frame_parms->Ncp,0); - } - - UE_template->ue_tx_power = tx_power; - - if (rb_table[rb_table_index]>(nb_rbs_allowed_slice_uplink[CC_id][UE_id]-first_rb[CC_id]-1)) { - rb_table_index--; - } - - // 1 or 2 PRB with cqi enabled does not work well! - if (rb_table[rb_table_index]<3) { - rb_table_index=2; //3PRB - } - - UE_template->pre_assigned_mcs_ul=mcs; - UE_template->pre_allocated_rb_table_index_ul=rb_table_index; - UE_template->pre_allocated_nb_rb_ul= rb_table[rb_table_index]; - LOG_D(MAC,"[eNB %d] frame %d subframe %d: for UE %d CC %d: pre-assigned mcs %d, pre-allocated rb_table[%d]=%d RBs (phr %d, tx power %d)\n", - module_idP, frameP, subframeP, UE_id, CC_id, - UE_template->pre_assigned_mcs_ul, - UE_template->pre_allocated_rb_table_index_ul, - UE_template->pre_allocated_nb_rb_ul, - UE_template->phr_info,tx_power); - } else { - UE_template->pre_allocated_rb_table_index_ul=-1; - UE_template->pre_allocated_nb_rb_ul=0; - } - } - } -} - - - - -void _ulsch_scheduler_pre_processor(module_id_t module_idP, - int slice_id, - int frameP, - sub_frame_t subframeP, - uint16_t *first_rb) -{ - - int16_t i; - uint16_t UE_id,n,r; - uint8_t CC_id, round, harq_pid; - uint16_t nb_allocated_rbs[MAX_NUM_CCs][NUMBER_OF_UE_MAX],total_allocated_rbs[MAX_NUM_CCs],average_rbs_per_user[MAX_NUM_CCs]; - uint16_t nb_rbs_allowed_slice_uplink[MAX_NUM_CCs][MAX_NUM_SLICES]; - int16_t total_remaining_rbs[MAX_NUM_CCs]; - uint16_t max_num_ue_to_be_scheduled=0,total_ue_count=0; - rnti_t rnti= -1; - UE_list_t *UE_list = &eNB_mac_inst[module_idP].UE_list; - UE_TEMPLATE *UE_template = 0; - // LTE_DL_FRAME_PARMS *frame_parms; //Not used yet - UE_sched_ctrl *ue_sched_ctl; - - - //LOG_I(MAC,"assign max mcs min rb\n"); - // maximize MCS and then allocate required RB according to the buffer occupancy with the limit of max available UL RB - _assign_max_mcs_min_rb(module_idP, slice_id, frameP, subframeP, first_rb); - - //LOG_I(MAC,"sort ue \n"); - // sort ues - sort_ue_ul (module_idP,frameP, subframeP); - - - // we need to distribute RBs among UEs - // step1: reset the vars - for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) { - total_allocated_rbs[CC_id]=0; - total_remaining_rbs[CC_id]=0; - average_rbs_per_user[CC_id]=0; - - for (i=UE_list->head_ul; i>=0; i=UE_list->next_ul[i]) { - nb_allocated_rbs[CC_id][i]=0; - } - } - - //LOG_I(MAC,"step2 \n"); - // step 2: calculate the average rb per UE - total_ue_count =0; - max_num_ue_to_be_scheduled=0; - - for (i=UE_list->head_ul; i>=0; i=UE_list->next_ul[i]) { - - rnti = UE_RNTI(module_idP,i); - - if (rnti==NOT_A_RNTI) - continue; - - if (UE_list->UE_sched_ctrl[i].ul_out_of_sync == 1) - continue; - - if (!phy_stats_exist(module_idP, rnti)) - continue; - - UE_id = i; - - for (n=0; n<UE_list->numactiveULCCs[UE_id]; n++) { - // This is the actual CC_id in the list - CC_id = UE_list->ordered_ULCCids[n][UE_id]; - UE_template = &UE_list->UE_template[CC_id][UE_id]; - average_rbs_per_user[CC_id]=0; - // frame_parms = mac_xface->get_lte_frame_parms(module_idP,CC_id); - - if (UE_template->pre_allocated_nb_rb_ul > 0) { - total_ue_count+=1; - } - /* - if((mac_xface->get_nCCE_max(module_idP,CC_id,3,subframeP) - nCCE_to_be_used[CC_id]) > (1<<aggregation)) { - nCCE_to_be_used[CC_id] = nCCE_to_be_used[CC_id] + (1<<aggregation); - max_num_ue_to_be_scheduled+=1; - }*/ - - max_num_ue_to_be_scheduled+=1; - - nb_rbs_allowed_slice_uplink[CC_id][UE_id] = flexran_nb_rbs_allowed_slice_uplink(slice_percentage_uplink[UE_id], flexran_get_N_RB_UL(module_idP, CC_id)); - - if (total_ue_count == 0) { - average_rbs_per_user[CC_id] = 0; - } else if (total_ue_count == 1 ) { // increase the available RBs, special case, - average_rbs_per_user[CC_id] = nb_rbs_allowed_slice_uplink[CC_id][i]-first_rb[CC_id]+1; - } else if( (total_ue_count <= (nb_rbs_allowed_slice_uplink[CC_id][i]-first_rb[CC_id])) && - (total_ue_count <= max_num_ue_to_be_scheduled)) { - average_rbs_per_user[CC_id] = (uint16_t) floor((nb_rbs_allowed_slice_uplink[CC_id][i]-first_rb[CC_id])/total_ue_count); - } else if (max_num_ue_to_be_scheduled > 0 ) { - average_rbs_per_user[CC_id] = (uint16_t) floor((nb_rbs_allowed_slice_uplink[CC_id][i]-first_rb[CC_id])/max_num_ue_to_be_scheduled); - } else { - average_rbs_per_user[CC_id]=1; - LOG_W(MAC,"[eNB %d] frame %d subframe %d: UE %d CC %d: can't get average rb per user (should not be here)\n", - module_idP,frameP,subframeP,UE_id,CC_id); - } - } - } - if (total_ue_count > 0) - LOG_D(MAC,"[eNB %d] Frame %d subframe %d: total ue to be scheduled %d/%d\n", - module_idP, frameP, subframeP,total_ue_count, max_num_ue_to_be_scheduled); - - //LOG_D(MAC,"step3\n"); - - // step 3: assigne RBS - for (i=UE_list->head_ul; i>=0; i=UE_list->next_ul[i]) { - rnti = UE_RNTI(module_idP,i); - - if (rnti==NOT_A_RNTI) - continue; - if (UE_list->UE_sched_ctrl[i].ul_out_of_sync == 1) - continue; - if (!phy_stats_exist(module_idP, rnti)) - continue; - - UE_id = i; - - for (n=0; n<UE_list->numactiveULCCs[UE_id]; n++) { - // This is the actual CC_id in the list - CC_id = UE_list->ordered_ULCCids[n][UE_id]; - ue_sched_ctl = &UE_list->UE_sched_ctrl[UE_id]; - ue_sched_ctl->max_allowed_rbs[CC_id]=nb_rbs_allowed_slice_uplink[CC_id][UE_id]; - // mac_xface->get_ue_active_harq_pid(module_idP,CC_id,rnti,frameP,subframeP,&harq_pid,&round,openair_harq_UL); - flexran_get_harq(module_idP, CC_id, UE_id, frameP, subframeP, &harq_pid, &round, openair_harq_UL); - if(round>0) { - nb_allocated_rbs[CC_id][UE_id] = UE_list->UE_template[CC_id][UE_id].nb_rb_ul[harq_pid]; - } else { - nb_allocated_rbs[CC_id][UE_id] = cmin(UE_list->UE_template[CC_id][UE_id].pre_allocated_nb_rb_ul, average_rbs_per_user[CC_id]); - } - - total_allocated_rbs[CC_id]+= nb_allocated_rbs[CC_id][UE_id]; - - } - } - - // step 4: assigne the remaining RBs and set the pre_allocated rbs accordingly - for(r=0; r<2; r++) { - - for (i=UE_list->head_ul; i>=0; i=UE_list->next_ul[i]) { - rnti = UE_RNTI(module_idP,i); - - if (rnti==NOT_A_RNTI) - continue; - if (UE_list->UE_sched_ctrl[i].ul_out_of_sync == 1) - continue; - if (!phy_stats_exist(module_idP, rnti)) - continue; - - UE_id = i; - - for (n=0; n<UE_list->numactiveULCCs[UE_id]; n++) { - // This is the actual CC_id in the list - CC_id = UE_list->ordered_ULCCids[n][UE_id]; - UE_template = &UE_list->UE_template[CC_id][UE_id]; - // frame_parms = mac_xface->get_lte_frame_parms(module_idP,CC_id); - total_remaining_rbs[CC_id]=nb_rbs_allowed_slice_uplink[CC_id][UE_id] - first_rb[CC_id] - total_allocated_rbs[CC_id]; - - if (total_ue_count == 1 ) { - total_remaining_rbs[CC_id]+=1; - } - - if ( r == 0 ) { - while ( (UE_template->pre_allocated_nb_rb_ul > 0 ) && - (nb_allocated_rbs[CC_id][UE_id] < UE_template->pre_allocated_nb_rb_ul) && - (total_remaining_rbs[CC_id] > 0)) { - nb_allocated_rbs[CC_id][UE_id] = cmin(nb_allocated_rbs[CC_id][UE_id]+1,UE_template->pre_allocated_nb_rb_ul); - total_remaining_rbs[CC_id]--; - total_allocated_rbs[CC_id]++; - } - } else { - UE_template->pre_allocated_nb_rb_ul= nb_allocated_rbs[CC_id][UE_id]; - LOG_D(MAC,"******************UL Scheduling Information for UE%d CC_id %d ************************\n",UE_id, CC_id); - LOG_D(MAC,"[eNB %d] total RB allocated for UE%d CC_id %d = %d\n", module_idP, UE_id, CC_id, UE_template->pre_allocated_nb_rb_ul); - } - } - } - } - - for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) { - // frame_parms= mac_xface->get_lte_frame_parms(module_idP,CC_id); - - if (total_allocated_rbs[CC_id]>0) { - LOG_D(MAC,"[eNB %d] total RB allocated for all UEs = %d/%d\n", module_idP, total_allocated_rbs[CC_id], nb_rbs_allowed_slice_uplink[CC_id][slice_id] - first_rb[CC_id]); - } - } -} - -/* - * Main Uplink Slicing - * - */ - -void -flexran_schedule_ue_ul_spec_default(mid_t mod_id, - uint32_t frame, - uint32_t cooperation_flag, - int subframe, - unsigned char sched_subframe, - Protocol__FlexranMessage **ul_info) -//------------------------------------------------------------------------------ -{ - int i=0; - - flexran_agent_mac_create_empty_ul_config(mod_id, ul_info); - - total_slice_percentage_uplink=0; - avg_slice_percentage_uplink=1.0/n_active_slices_uplink; - - // reset the slice percentage for inactive slices - for (i = n_active_slices_uplink; i< MAX_NUM_SLICES; i++) { - slice_percentage_uplink[i]=0; - } - for (i = 0; i < n_active_slices_uplink; i++) { - if (slice_percentage_uplink[i] < 0 ){ - LOG_W(MAC, "[eNB %d] frame %d subframe %d:invalid slice %d percentage %f. resetting to zero", - mod_id, frame, subframe, i, slice_percentage_uplink[i]); - slice_percentage_uplink[i]=0; - } - total_slice_percentage_uplink+=slice_percentage_uplink[i]; - } - - for (i = 0; i < n_active_slices_uplink; i++) { - - // Load any updated functions - if (update_ul_scheduler[i] > 0 ) { - slice_sched_ul[i] = dlsym(NULL, ul_scheduler_type[i]); - update_ul_scheduler[i] = 0; - update_ul_scheduler_current[i] = 0; - //slice_percentage_current_uplink[i]= slice_percentage_uplink[i]; - //total_slice_percentage_current_uplink+=slice_percentage_uplink[i]; - //if (total_slice_percentage_current_uplink> 1) - // total_slice_percentage_current_uplink=1; - LOG_N(MAC,"update ul scheduler slice %d\n", i); - } - // the new total RB share is within the range - if (total_slice_percentage_uplink <= 1.0){ - - // check if the number of slices has changed, and log - if (n_active_slices_current_uplink != n_active_slices_uplink ){ - if ((n_active_slices_uplink > 0) && (n_active_slices_uplink <= MAX_NUM_SLICES)) { - LOG_N(MAC,"[eNB %d]frame %d subframe %d: number of active UL slices has changed: %d-->%d\n", - mod_id, frame, subframe, n_active_slices_current_uplink, n_active_slices_uplink); - - n_active_slices_current_uplink = n_active_slices_uplink; - - } else { - LOG_W(MAC,"invalid number of UL slices %d, revert to the previous value %d\n",n_active_slices_uplink, n_active_slices_current_uplink); - n_active_slices_uplink = n_active_slices_current_uplink; - } - } - - // check if the slice rb share has changed, and log the console - if (slice_percentage_current_uplink[i] != slice_percentage_uplink[i]){ - LOG_N(MAC,"[eNB %d][SLICE %d][UL] frame %d subframe %d: total percentage %f-->%f, slice RB percentage has changed: %f-->%f\n", - mod_id, i, frame, subframe, total_slice_percentage_current_uplink, total_slice_percentage_uplink, slice_percentage_current_uplink[i], slice_percentage_uplink[i]); - total_slice_percentage_current_uplink= total_slice_percentage_uplink; - slice_percentage_current_uplink[i] = slice_percentage_uplink[i]; - - } - - // check if the slice max MCS, and log the console - if (slice_maxmcs_current_uplink[i] != slice_maxmcs_uplink[i]){ - if ((slice_maxmcs_uplink[i] >= 0) && (slice_maxmcs_uplink[i] <= 16)){ - LOG_N(MAC,"[eNB %d][SLICE %d][UL] frame %d subframe %d: slice MAX MCS has changed: %d-->%d\n", - mod_id, i, frame, subframe, slice_maxmcs_current_uplink[i], slice_maxmcs_uplink[i]); - slice_maxmcs_current_uplink[i] = slice_maxmcs_uplink[i]; - } else { - LOG_W(MAC,"[eNB %d][SLICE %d][UL] invalid slice max mcs %d, revert the previous value %d\n",mod_id, i, slice_maxmcs_uplink[i],slice_maxmcs_current_uplink[i]); - slice_maxmcs_uplink[i]= slice_maxmcs_current_uplink[i]; - - } - } - - // check if a new scheduler, and log the console - if (update_ul_scheduler_current[i] != update_ul_scheduler[i]){ - LOG_N(MAC,"[eNB %d][SLICE %d][UL] frame %d subframe %d: UL scheduler for this slice is updated: %s \n", - mod_id, i, frame, subframe, ul_scheduler_type[i]); - - update_ul_scheduler_current[i] = update_ul_scheduler[i]; - } - } - else { - - if (n_active_slices_uplink == n_active_slices_current_uplink){ - LOG_W(MAC,"[eNB %d][SLICE %d][UL] invalid total RB share (%f->%f), reduce proportionally the RB share by 0.1\n", - mod_id,i, - total_slice_percentage_current_uplink, total_slice_percentage_uplink); - if (slice_percentage_uplink[i] > avg_slice_percentage_uplink){ - slice_percentage_uplink[i]-=0.1; - total_slice_percentage_uplink-=0.1; - } - } else { - // here we can correct the values, e.g. reduce proportionally - LOG_W(MAC,"[eNB %d][SLICE %d][UL] invalid total RB share (%f->%f), revert the number of slice to its previous value (%d->%d)\n", - mod_id,i, - total_slice_percentage_current_uplink, total_slice_percentage_uplink, - n_active_slices_uplink, n_active_slices_current_uplink); - n_active_slices_uplink = n_active_slices_current_uplink; - slice_percentage_uplink[i] = slice_percentage_current_uplink[i]; - } - } - - // Run each enabled slice-specific schedulers one by one - slice_sched_ul[i](mod_id, frame, cooperation_flag, subframe, sched_subframe,ul_info); - } -} - -void -flexran_schedule_ue_ul_spec_embb(mid_t mod_id, - frame_t frame, - unsigned char cooperation_flag, - uint32_t subframe, - unsigned char sched_subframe, - Protocol__FlexranMessage **ul_info) - -{ - flexran_agent_schedule_ulsch_ue_spec(mod_id, - frame, - cooperation_flag, - subframe, - sched_subframe, - ul_info); - -} - - -void flexran_agent_schedule_ulsch_ue_spec(mid_t module_idP, - frame_t frameP, - unsigned char cooperation_flag, - sub_frame_t subframeP, - unsigned char sched_subframe, - Protocol__FlexranMessage **ul_info) { - - - uint16_t first_rb[MAX_NUM_CCs],i; - int CC_id; - eNB_MAC_INST *eNB=&eNB_mac_inst[module_idP]; - - start_meas(&eNB->schedule_ulsch); - - - for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) { - - //leave out first RB for PUCCH - first_rb[CC_id] = 1; - - // UE data info; - // check which UE has data to transmit - // function to decide the scheduling - // e.g. scheduling_rslt = Greedy(granted_UEs, nb_RB) - - // default function for default scheduling - // - - // output of scheduling, the UE numbers in RBs, where it is in the code??? - // check if RA (Msg3) is active in this subframeP, if so skip the PRBs used for Msg3 - // Msg3 is using 1 PRB so we need to increase first_rb accordingly - // not sure about the break (can there be more than 1 active RA procedure?) - - for (i=0; i<NB_RA_PROC_MAX; i++) { - if ((eNB->common_channels[CC_id].RA_template[i].RA_active == TRUE) && - (eNB->common_channels[CC_id].RA_template[i].generate_rar == 0) && - (eNB->common_channels[CC_id].RA_template[i].generate_Msg4 == 0) && - (eNB->common_channels[CC_id].RA_template[i].wait_ack_Msg4 == 0) && - (eNB->common_channels[CC_id].RA_template[i].Msg3_subframe == sched_subframe)) { - first_rb[CC_id]++; - eNB->common_channels[CC_id].RA_template[i].Msg3_subframe = -1; - break; - } - } - - /* - if (mac_xface->is_prach_subframe(&(mac_xface->lte_frame_parms),frameP,subframeP)) { - first_rb[CC_id] = (mac_xface->get_prach_prb_offset(&(mac_xface->lte_frame_parms), - */ - - } - - flexran_agent_schedule_ulsch_rnti(module_idP, cooperation_flag, frameP, subframeP, sched_subframe,first_rb); - - stop_meas(&eNB->schedule_ulsch); - -} - - - -void flexran_agent_schedule_ulsch_rnti(module_id_t module_idP, - unsigned char cooperation_flag, - frame_t frameP, - sub_frame_t subframeP, - unsigned char sched_subframe, - uint16_t *first_rb) -{ - - int UE_id; - uint8_t aggregation = 2; - rnti_t rnti = -1; - uint8_t round = 0; - uint8_t harq_pid = 0; - void *ULSCH_dci = NULL; - LTE_eNB_UE_stats *eNB_UE_stats = NULL; - DCI_PDU *DCI_pdu; - uint8_t status = 0; - uint8_t rb_table_index = -1; - uint16_t TBS = 0; - // int32_t buffer_occupancy=0; - uint32_t cqi_req,cshift,ndi,mcs=0,rballoc,tpc; - int32_t normalized_rx_power, target_rx_power=-90; - static int32_t tpc_accumulated=0; - - int n,CC_id = 0; - eNB_MAC_INST *eNB=&eNB_mac_inst[module_idP]; - UE_list_t *UE_list=&eNB->UE_list; - UE_TEMPLATE *UE_template; - UE_sched_ctrl *UE_sched_ctrl; - - // int rvidx_tab[4] = {0,2,3,1}; - LTE_DL_FRAME_PARMS *frame_parms; - int drop_ue=0; - - // LOG_I(MAC,"entering ulsch preprocesor\n"); - - - /*TODO*/ - int slice_id = 0; - - - _ulsch_scheduler_pre_processor(module_idP, - slice_id, - frameP, - subframeP, - first_rb); - - // LOG_I(MAC,"exiting ulsch preprocesor\n"); - - // loop over all active UEs - for (UE_id=UE_list->head_ul; UE_id>=0; UE_id=UE_list->next_ul[UE_id]) { - - // don't schedule if Msg4 is not received yet - if (UE_list->UE_template[UE_PCCID(module_idP,UE_id)][UE_id].configured==FALSE) { - LOG_I(MAC,"[eNB %d] frame %d subfarme %d, UE %d: not configured, skipping UE scheduling \n", - module_idP,frameP,subframeP,UE_id); - continue; - } - - rnti = flexran_get_ue_crnti(module_idP, UE_id); - - if (rnti==NOT_A_RNTI) { - LOG_W(MAC,"[eNB %d] frame %d subfarme %d, UE %d: no RNTI \n", module_idP,frameP,subframeP,UE_id); - continue; - } - - /* let's drop the UE if get_eNB_UE_stats returns NULL when calling it with any of the UE's active UL CCs */ - /* TODO: refine? */ - drop_ue = 0; - for (n=0; n<UE_list->numactiveULCCs[UE_id]; n++) { - CC_id = UE_list->ordered_ULCCids[n][UE_id]; - if (mac_xface->get_eNB_UE_stats(module_idP,CC_id,rnti) == NULL) { - LOG_W(MAC,"[eNB %d] frame %d subframe %d, UE %d/%x CC %d: no PHY context\n", module_idP,frameP,subframeP,UE_id,rnti,CC_id); - drop_ue = 1; - break; - } - } - if (drop_ue == 1) { -/* we can't come here, ulsch_scheduler_pre_processor won't put in the list a UE with no PHY context */ -abort(); - /* TODO: this is a hack. Sometimes the UE has no PHY context but - * is still present in the MAC with 'ul_failure_timer' = 0 and - * 'ul_out_of_sync' = 0. It seems wrong and the UE stays there forever. Let's - * start an UL out of sync procedure in this case. - * The root cause of this problem has to be found and corrected. - * In the meantime, this hack... - */ - if (UE_list->UE_sched_ctrl[UE_id].ul_failure_timer == 0 && - UE_list->UE_sched_ctrl[UE_id].ul_out_of_sync == 0) { - LOG_W(MAC,"[eNB %d] frame %d subframe %d, UE %d/%x CC %d: UE in weird state, let's put it 'out of sync'\n", - module_idP,frameP,subframeP,UE_id,rnti,CC_id); - // inform RRC of failure and clear timer - mac_eNB_rrc_ul_failure(module_idP,CC_id,frameP,subframeP,rnti); - UE_list->UE_sched_ctrl[UE_id].ul_failure_timer=0; - UE_list->UE_sched_ctrl[UE_id].ul_out_of_sync=1; - } - continue; - } - - // loop over all active UL CC_ids for this UE - for (n=0; n<UE_list->numactiveULCCs[UE_id]; n++) { - // This is the actual CC_id in the list - CC_id = UE_list->ordered_ULCCids[n][UE_id]; - frame_parms = mac_xface->get_lte_frame_parms(module_idP,CC_id); - eNB_UE_stats = mac_xface->get_eNB_UE_stats(module_idP,CC_id,rnti); - - aggregation=get_aggregation(get_bw_index(module_idP,CC_id), - eNB_UE_stats->DL_cqi[0], - format0); - - if (CCE_allocation_infeasible(module_idP,CC_id,0,subframeP,aggregation,rnti)) { - LOG_W(MAC,"[eNB %d] frame %d subframe %d, UE %d/%x CC %d: not enough nCCE\n", module_idP,frameP,subframeP,UE_id,rnti,CC_id); - continue; // break; - } else{ - LOG_D(MAC,"[eNB %d] frame %d subframe %d, UE %d/%x CC %d mode %s: aggregation level %d\n", - module_idP,frameP,subframeP,UE_id,rnti,CC_id, mode_string[eNB_UE_stats->mode], 1<<aggregation); - } - - - if (eNB_UE_stats->mode == PUSCH) { // ue has a ulsch channel - - DCI_pdu = &eNB->common_channels[CC_id].DCI_pdu; - UE_template = &UE_list->UE_template[CC_id][UE_id]; - UE_sched_ctrl = &UE_list->UE_sched_ctrl[UE_id]; - - if (flexran_get_harq(module_idP, CC_id, UE_id, frameP, subframeP, &harq_pid, &round, openair_harq_UL) == -1 ) { - LOG_W(MAC,"[eNB %d] Scheduler Frame %d, subframeP %d: candidate harq_pid from PHY for UE %d CC %d RNTI %x\n", - module_idP,frameP,subframeP, UE_id, CC_id, rnti); - continue; - } else - LOG_T(MAC,"[eNB %d] Frame %d, subframeP %d, UE %d CC %d : got harq pid %d round %d (rnti %x,mode %s)\n", - module_idP,frameP,subframeP,UE_id,CC_id, harq_pid, round,rnti,mode_string[eNB_UE_stats->mode]); - - PHY_vars_eNB_g[module_idP][CC_id]->pusch_stats_BO[UE_id][(frameP*10)+subframeP] = UE_template->ul_total_buffer; - VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME(VCD_SIGNAL_DUMPER_VARIABLES_UE0_BO,PHY_vars_eNB_g[module_idP][CC_id]->pusch_stats_BO[UE_id][(frameP*10)+subframeP]); - if (((UE_is_to_be_scheduled(module_idP,CC_id,UE_id)>0)) || (round>0))// || ((frameP%10)==0)) - // 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 10 frames - { - LOG_D(MAC,"[eNB %d][PUSCH] Frame %d subframe %d Scheduling UE %d/%x in round %d(SR %d,UL_inactivity timer %d,UL_failure timer %d)\n", - module_idP,frameP,subframeP,UE_id,rnti,round,UE_template->ul_SR, - UE_sched_ctrl->ul_inactivity_timer, - UE_sched_ctrl->ul_failure_timer); - // reset the scheduling request - UE_template->ul_SR = 0; - // status = mac_eNB_get_rrc_status(module_idP,rnti); - status = flexran_get_rrc_status(module_idP, rnti); - - if (status < RRC_CONNECTED) - cqi_req = 0; - else if (UE_sched_ctrl->cqi_req_timer>30) { - cqi_req = 1; - UE_sched_ctrl->cqi_req_timer=0; - } - else - cqi_req = 0; - - //power control - //compute the expected ULSCH RX power (for the stats) - - // this is the normalized RX power and this should be constant (regardless of mcs - normalized_rx_power = eNB_UE_stats->UL_rssi[0]; - target_rx_power = mac_xface->get_target_pusch_rx_power(module_idP,CC_id); - - // 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 (normalized_rx_power>(target_rx_power+1)) { - tpc = 0; //-1 - tpc_accumulated--; - } else if (normalized_rx_power<(target_rx_power-1)) { - tpc = 2; //+1 - tpc_accumulated++; - } 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, normalized/target rx power %d/%d\n", - module_idP,frameP,subframeP,harq_pid,tpc, - tpc_accumulated,normalized_rx_power,target_rx_power); - } - - // new transmission - if (round==0) { - - ndi = 1-UE_template->oldNDI_UL[harq_pid]; - UE_template->oldNDI_UL[harq_pid]=ndi; - UE_list->eNB_UE_stats[CC_id][UE_id].normalized_rx_power=normalized_rx_power; - UE_list->eNB_UE_stats[CC_id][UE_id].target_rx_power=target_rx_power; - UE_list->eNB_UE_stats[CC_id][UE_id].ulsch_mcs1=UE_template->pre_assigned_mcs_ul; - mcs = UE_template->pre_assigned_mcs_ul;//cmin (UE_template->pre_assigned_mcs_ul, openair_daq_vars.target_ue_ul_mcs); // adjust, based on user-defined MCS - if (UE_template->pre_allocated_rb_table_index_ul >=0) { - rb_table_index=UE_template->pre_allocated_rb_table_index_ul; - } else { - mcs=10;//cmin (10, openair_daq_vars.target_ue_ul_mcs); - rb_table_index=5; // for PHR - } - - UE_list->eNB_UE_stats[CC_id][UE_id].ulsch_mcs2=mcs; - // buffer_occupancy = UE_template->ul_total_buffer; - - while (((rb_table[rb_table_index]>(nb_rbs_allowed_slice_uplink[CC_id][UE_id]-1-first_rb[CC_id])) || - (rb_table[rb_table_index]>45)) && - (rb_table_index>0)) { - rb_table_index--; - } - - TBS = mac_xface->get_TBS_UL(mcs,rb_table[rb_table_index]); - UE_list->eNB_UE_stats[CC_id][UE_id].total_rbs_used_rx+=rb_table[rb_table_index]; - UE_list->eNB_UE_stats[CC_id][UE_id].ulsch_TBS=TBS; - // buffer_occupancy -= TBS; - rballoc = mac_xface->computeRIV(frame_parms->N_RB_UL, - first_rb[CC_id], - rb_table[rb_table_index]); - - 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(first_rb[CC_id]), T_INT(rb_table[rb_table_index]), - T_INT(TBS), T_INT(ndi)); - - if (mac_eNB_get_rrc_status(module_idP,rnti) < RRC_CONNECTED) - LOG_I(MAC,"[eNB %d][PUSCH %d/%x] CC_id %d Frame %d subframeP %d Scheduled UE %d (mcs %d, first rb %d, nb_rb %d, rb_table_index %d, TBS %d, harq_pid %d)\n", - module_idP,harq_pid,rnti,CC_id,frameP,subframeP,UE_id,mcs, - first_rb[CC_id],rb_table[rb_table_index], - rb_table_index,TBS,harq_pid); - - // bad indices : 20 (40 PRB), 21 (45 PRB), 22 (48 PRB) - // increment for next UE allocation - first_rb[CC_id]+=rb_table[rb_table_index]; - //store for possible retransmission - UE_template->nb_rb_ul[harq_pid] = rb_table[rb_table_index]; - UE_sched_ctrl->ul_scheduled |= (1<<harq_pid); - if (UE_id == UE_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 - LOG_D(MAC,"[eNB %d] CC_id %d UE %d/%x : adjusting ul_total_buffer, old %d, TBS %d\n", module_idP,CC_id,UE_id,rnti,UE_template->ul_total_buffer,TBS); - if (UE_template->ul_total_buffer > TBS) - UE_template->ul_total_buffer -= TBS; - else - UE_template->ul_total_buffer = 0; - LOG_D(MAC,"ul_total_buffer, new %d\n", UE_template->ul_total_buffer); - // Cyclic shift for DM RS - cshift = 0;// values from 0 to 7 can be used for mapping the cyclic shift (36.211 , Table 5.5.2.1.1-1) - - if (frame_parms->frame_type == TDD) { - switch (frame_parms->N_RB_UL) { - case 6: - ULSCH_dci = UE_template->ULSCH_DCI[harq_pid]; - - ((DCI0_1_5MHz_TDD_1_6_t *)ULSCH_dci)->type = 0; - ((DCI0_1_5MHz_TDD_1_6_t *)ULSCH_dci)->hopping = 0; - ((DCI0_1_5MHz_TDD_1_6_t *)ULSCH_dci)->rballoc = rballoc; - ((DCI0_1_5MHz_TDD_1_6_t *)ULSCH_dci)->mcs = mcs; - ((DCI0_1_5MHz_TDD_1_6_t *)ULSCH_dci)->ndi = ndi; - ((DCI0_1_5MHz_TDD_1_6_t *)ULSCH_dci)->TPC = tpc; - ((DCI0_1_5MHz_TDD_1_6_t *)ULSCH_dci)->cshift = cshift; - ((DCI0_1_5MHz_TDD_1_6_t *)ULSCH_dci)->padding = 0; - ((DCI0_1_5MHz_TDD_1_6_t *)ULSCH_dci)->dai = UE_template->DAI_ul[sched_subframe]; - ((DCI0_1_5MHz_TDD_1_6_t *)ULSCH_dci)->cqi_req = cqi_req; - - add_ue_spec_dci(DCI_pdu, - ULSCH_dci, - rnti, - sizeof(DCI0_1_5MHz_TDD_1_6_t), - aggregation, - sizeof_DCI0_1_5MHz_TDD_1_6_t, - format0, - 0); - break; - - default: - case 25: - ULSCH_dci = UE_template->ULSCH_DCI[harq_pid]; - - ((DCI0_5MHz_TDD_1_6_t *)ULSCH_dci)->type = 0; - ((DCI0_5MHz_TDD_1_6_t *)ULSCH_dci)->hopping = 0; - ((DCI0_5MHz_TDD_1_6_t *)ULSCH_dci)->rballoc = rballoc; - ((DCI0_5MHz_TDD_1_6_t *)ULSCH_dci)->mcs = mcs; - ((DCI0_5MHz_TDD_1_6_t *)ULSCH_dci)->ndi = ndi; - ((DCI0_5MHz_TDD_1_6_t *)ULSCH_dci)->TPC = tpc; - ((DCI0_5MHz_TDD_1_6_t *)ULSCH_dci)->cshift = cshift; - ((DCI0_5MHz_TDD_1_6_t *)ULSCH_dci)->padding = 0; - ((DCI0_5MHz_TDD_1_6_t *)ULSCH_dci)->dai = UE_template->DAI_ul[sched_subframe]; - ((DCI0_5MHz_TDD_1_6_t *)ULSCH_dci)->cqi_req = cqi_req; - - add_ue_spec_dci(DCI_pdu, - ULSCH_dci, - rnti, - sizeof(DCI0_5MHz_TDD_1_6_t), - aggregation, - sizeof_DCI0_5MHz_TDD_1_6_t, - format0, - 0); - break; - - case 50: - ULSCH_dci = UE_template->ULSCH_DCI[harq_pid]; - - ((DCI0_10MHz_TDD_1_6_t *)ULSCH_dci)->type = 0; - ((DCI0_10MHz_TDD_1_6_t *)ULSCH_dci)->hopping = 0; - ((DCI0_10MHz_TDD_1_6_t *)ULSCH_dci)->rballoc = rballoc; - ((DCI0_10MHz_TDD_1_6_t *)ULSCH_dci)->mcs = mcs; - ((DCI0_10MHz_TDD_1_6_t *)ULSCH_dci)->ndi = ndi; - ((DCI0_10MHz_TDD_1_6_t *)ULSCH_dci)->TPC = tpc; - ((DCI0_10MHz_TDD_1_6_t *)ULSCH_dci)->cshift = cshift; - ((DCI0_10MHz_TDD_1_6_t *)ULSCH_dci)->padding = 0; - ((DCI0_10MHz_TDD_1_6_t *)ULSCH_dci)->dai = UE_template->DAI_ul[sched_subframe]; - ((DCI0_10MHz_TDD_1_6_t *)ULSCH_dci)->cqi_req = cqi_req; - - add_ue_spec_dci(DCI_pdu, - ULSCH_dci, - rnti, - sizeof(DCI0_10MHz_TDD_1_6_t), - aggregation, - sizeof_DCI0_10MHz_TDD_1_6_t, - format0, - 0); - break; - - case 100: - ULSCH_dci = UE_template->ULSCH_DCI[harq_pid]; - - ((DCI0_20MHz_TDD_1_6_t *)ULSCH_dci)->type = 0; - ((DCI0_20MHz_TDD_1_6_t *)ULSCH_dci)->hopping = 0; - ((DCI0_20MHz_TDD_1_6_t *)ULSCH_dci)->rballoc = rballoc; - ((DCI0_20MHz_TDD_1_6_t *)ULSCH_dci)->mcs = mcs; - ((DCI0_20MHz_TDD_1_6_t *)ULSCH_dci)->ndi = ndi; - ((DCI0_20MHz_TDD_1_6_t *)ULSCH_dci)->TPC = tpc; - ((DCI0_20MHz_TDD_1_6_t *)ULSCH_dci)->cshift = cshift; - ((DCI0_20MHz_TDD_1_6_t *)ULSCH_dci)->padding = 0; - ((DCI0_20MHz_TDD_1_6_t *)ULSCH_dci)->dai = UE_template->DAI_ul[sched_subframe]; - ((DCI0_20MHz_TDD_1_6_t *)ULSCH_dci)->cqi_req = cqi_req; - - add_ue_spec_dci(DCI_pdu, - ULSCH_dci, - rnti, - sizeof(DCI0_20MHz_TDD_1_6_t), - aggregation, - sizeof_DCI0_20MHz_TDD_1_6_t, - format0, - 0); - break; - } - } // TDD - else { //FDD - switch (frame_parms->N_RB_UL) { - case 25: - default: - - ULSCH_dci = UE_template->ULSCH_DCI[harq_pid]; - - ((DCI0_5MHz_FDD_t *)ULSCH_dci)->type = 0; - ((DCI0_5MHz_FDD_t *)ULSCH_dci)->hopping = 0; - ((DCI0_5MHz_FDD_t *)ULSCH_dci)->rballoc = rballoc; - ((DCI0_5MHz_FDD_t *)ULSCH_dci)->mcs = mcs; - ((DCI0_5MHz_FDD_t *)ULSCH_dci)->ndi = ndi; - ((DCI0_5MHz_FDD_t *)ULSCH_dci)->TPC = tpc; - ((DCI0_5MHz_FDD_t *)ULSCH_dci)->cshift = cshift; - ((DCI0_5MHz_FDD_t *)ULSCH_dci)->padding = 0; - ((DCI0_5MHz_FDD_t *)ULSCH_dci)->cqi_req = cqi_req; - - add_ue_spec_dci(DCI_pdu, - ULSCH_dci, - rnti, - sizeof(DCI0_5MHz_FDD_t), - aggregation, - sizeof_DCI0_5MHz_FDD_t, - format0, - 0); - break; - - case 6: - ULSCH_dci = UE_template->ULSCH_DCI[harq_pid]; - - ((DCI0_1_5MHz_FDD_t *)ULSCH_dci)->type = 0; - ((DCI0_1_5MHz_FDD_t *)ULSCH_dci)->hopping = 0; - ((DCI0_1_5MHz_FDD_t *)ULSCH_dci)->rballoc = rballoc; - ((DCI0_1_5MHz_FDD_t *)ULSCH_dci)->mcs = mcs; - ((DCI0_1_5MHz_FDD_t *)ULSCH_dci)->ndi = ndi; - ((DCI0_1_5MHz_FDD_t *)ULSCH_dci)->TPC = tpc; - ((DCI0_1_5MHz_FDD_t *)ULSCH_dci)->cshift = cshift; - ((DCI0_1_5MHz_FDD_t *)ULSCH_dci)->padding = 0; - ((DCI0_1_5MHz_FDD_t *)ULSCH_dci)->cqi_req = cqi_req; - - add_ue_spec_dci(DCI_pdu, - ULSCH_dci, - rnti, - sizeof(DCI0_1_5MHz_FDD_t), - aggregation, - sizeof_DCI0_1_5MHz_FDD_t, - format0, - 0); - break; - - case 50: - ULSCH_dci = UE_template->ULSCH_DCI[harq_pid]; - - ((DCI0_10MHz_FDD_t *)ULSCH_dci)->type = 0; - ((DCI0_10MHz_FDD_t *)ULSCH_dci)->hopping = 0; - ((DCI0_10MHz_FDD_t *)ULSCH_dci)->rballoc = rballoc; - ((DCI0_10MHz_FDD_t *)ULSCH_dci)->mcs = mcs; - ((DCI0_10MHz_FDD_t *)ULSCH_dci)->ndi = ndi; - ((DCI0_10MHz_FDD_t *)ULSCH_dci)->TPC = tpc; - ((DCI0_10MHz_FDD_t *)ULSCH_dci)->padding = 0; - ((DCI0_10MHz_FDD_t *)ULSCH_dci)->cshift = cshift; - ((DCI0_10MHz_FDD_t *)ULSCH_dci)->cqi_req = cqi_req; - - add_ue_spec_dci(DCI_pdu, - ULSCH_dci, - rnti, - sizeof(DCI0_10MHz_FDD_t), - aggregation, - sizeof_DCI0_10MHz_FDD_t, - format0, - 0); - break; - - case 100: - ULSCH_dci = UE_template->ULSCH_DCI[harq_pid]; - - ((DCI0_20MHz_FDD_t *)ULSCH_dci)->type = 0; - ((DCI0_20MHz_FDD_t *)ULSCH_dci)->hopping = 0; - ((DCI0_20MHz_FDD_t *)ULSCH_dci)->rballoc = rballoc; - ((DCI0_20MHz_FDD_t *)ULSCH_dci)->mcs = mcs; - ((DCI0_20MHz_FDD_t *)ULSCH_dci)->ndi = ndi; - ((DCI0_20MHz_FDD_t *)ULSCH_dci)->TPC = tpc; - ((DCI0_20MHz_FDD_t *)ULSCH_dci)->padding = 0; - ((DCI0_20MHz_FDD_t *)ULSCH_dci)->cshift = cshift; - ((DCI0_20MHz_FDD_t *)ULSCH_dci)->cqi_req = cqi_req; - - add_ue_spec_dci(DCI_pdu, - ULSCH_dci, - rnti, - sizeof(DCI0_20MHz_FDD_t), - aggregation, - sizeof_DCI0_20MHz_FDD_t, - format0, - 0); - break; - - } - } - - - 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); -#ifdef DEBUG - dump_dci(frame_parms, &DCI_pdu->dci_alloc[DCI_pdu->Num_common_dci+DCI_pdu->Num_ue_spec_dci-1]); -#endif - - } - else { - 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), T_INT(first_rb[CC_id]), T_INT(rb_table[rb_table_index]), - T_INT(round)); - - LOG_D(MAC,"[eNB %d][PUSCH %d/%x] CC_id %d Frame %d subframeP %d Scheduled (PHICH) UE %d (mcs %d, first rb %d, nb_rb %d, rb_table_index %d, TBS %d, harq_pid %d,round %d)\n", - module_idP,harq_pid,rnti,CC_id,frameP,subframeP,UE_id,mcs, - first_rb[CC_id],rb_table[rb_table_index], - rb_table_index,TBS,harq_pid,round); - }/* - else if (round > 0) { //we schedule a retransmission - - ndi = UE_template->oldNDI_UL[harq_pid]; - - if ((round&3)==0) { - mcs = openair_daq_vars.target_ue_ul_mcs; - } else { - mcs = rvidx_tab[round&3] + 28; //not correct for round==4! - - } - - LOG_I(MAC,"[eNB %d][PUSCH %d/%x] CC_id %d Frame %d subframeP %d Scheduled UE retransmission (mcs %d, first rb %d, nb_rb %d, harq_pid %d, round %d)\n", - module_idP,UE_id,rnti,CC_id,frameP,subframeP,mcs, - first_rb[CC_id],UE_template->nb_rb_ul[harq_pid], - harq_pid, round); - - rballoc = mac_xface->computeRIV(frame_parms->N_RB_UL, - first_rb[CC_id], - UE_template->nb_rb_ul[harq_pid]); - first_rb[CC_id]+=UE_template->nb_rb_ul[harq_pid]; // increment for next UE allocation - - UE_list->eNB_UE_stats[CC_id][UE_id].num_retransmission_rx+=1; - UE_list->eNB_UE_stats[CC_id][UE_id].rbs_used_retx_rx=UE_template->nb_rb_ul[harq_pid]; - UE_list->eNB_UE_stats[CC_id][UE_id].total_rbs_used_rx+=UE_template->nb_rb_ul[harq_pid]; - UE_list->eNB_UE_stats[CC_id][UE_id].ulsch_mcs1=mcs; - UE_list->eNB_UE_stats[CC_id][UE_id].ulsch_mcs2=mcs; - } - */ - - } // UE_is_to_be_scheduled - } // UE is in PUSCH - } // loop over UE_id - } // loop of CC_id -} - diff --git a/openair2/LAYER2/MAC/flexran_dci_conversions.h b/openair2/LAYER2/MAC/flexran_dci_conversions.h deleted file mode 100644 index 5c18b43104..0000000000 --- a/openair2/LAYER2/MAC/flexran_dci_conversions.h +++ /dev/null @@ -1,51 +0,0 @@ -/* - * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more - * contributor license agreements. See the NOTICE file distributed with - * this work for additional information regarding copyright ownership. - * The OpenAirInterface Software Alliance licenses this file to You under - * the OAI Public License, Version 1.1 (the "License"); you may not use this file - * except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.openairinterface.org/?page_id=698 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - *------------------------------------------------------------------------------- - * For more information about the OpenAirInterface (OAI) Software Alliance: - * contact@openairinterface.org - */ - -/*! \file flexran_dci_conversions.h - * \brief Conversion helpers from flexran messages to OAI formats DCI - * \author Xenofon Foukas - * \date 2016 - * \version 0.1 - */ - -#ifndef LAYER2_MAC_FLEXRAN_DCI_CONVERISIONS_H__ -#define LAYER2_MAC_DCI_FLEXRAN_CONVERISIONS_H__ - -#define FILL_DCI_FDD_1(TYPE, DCI, FLEXRAN_DCI) \ - ((TYPE*)DCI)->harq_pid = FLEXRAN_DCI->harq_process; \ - ((TYPE*)DCI)->rv = FLEXRAN_DCI->rv[0]; \ - ((TYPE*)DCI)->rballoc = FLEXRAN_DCI->rb_bitmap; \ - ((TYPE*)DCI)->rah = FLEXRAN_DCI->res_alloc; \ - ((TYPE*)DCI)->mcs = FLEXRAN_DCI->mcs[0]; \ - ((TYPE*)DCI)->TPC = FLEXRAN_DCI->tpc; \ - ((TYPE*)DCI)->ndi = FLEXRAN_DCI->ndi[0]; - -#define FILL_DCI_TDD_1(TYPE, DCI, FLEXRAN_DCI) \ - ((TYPE*)DCI)->harq_pid = FLEXRAN_DCI->harq_process; \ - ((TYPE*)DCI)->rv = FLEXRAN_DCI->rv[0]; \ - ((TYPE*)DCI)->dai = FLEXRAN_DCI->dai; \ - ((TYPE*)DCI)->rballoc = FLEXRAN_DCI->rb_bitmap; \ - ((TYPE*)DCI)->rah = FLEXRAN_DCI->res_alloc; \ - ((TYPE*)DCI)->mcs = FLEXRAN_DCI->mcs[0]; \ - ((TYPE*)DCI)->TPC = FLEXRAN_DCI->tpc; \ - ((TYPE*)DCI)->ndi = FLEXRAN_DCI->ndi[0]; - -#endif -- GitLab