mirror of https://github.com/pvnis/srsRAN_4G.git
Merged with next. Attach successful
Ismael Gomez
7 years ago
commit
a51b6b09dd
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/**
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*
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* \section COPYRIGHT
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*
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* Copyright 2013-2015 Software Radio Systems Limited
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|
*
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||||||
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* \section LICENSE
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||||||
|
*
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||||||
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* This file is part of the srsUE library.
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||||||
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*
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* srsUE is free software: you can redistribute it and/or modify
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||||||
|
* it under the terms of the GNU Affero General Public License as
|
||||||
|
* published by the Free Software Foundation, either version 3 of
|
||||||
|
* the License, or (at your option) any later version.
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||||||
|
*
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||||||
|
* srsUE is distributed in the hope that it will be useful,
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||||||
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||||
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||||
|
* GNU Affero General Public License for more details.
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||||||
|
*
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||||||
|
* A copy of the GNU Affero General Public License can be found in
|
||||||
|
* the LICENSE file in the top-level directory of this distribution
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||||||
|
* and at http://www.gnu.org/licenses/.
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*
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*/
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#ifndef RLC_INTERFACE_H
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#define RLC_INTERFACE_H
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// for custom constructors
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#include "srslte/asn1/liblte_rrc.h"
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namespace srslte {
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typedef enum{
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RLC_UMD_SN_SIZE_5_BITS = 0,
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RLC_UMD_SN_SIZE_10_BITS,
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RLC_UMD_SN_SIZE_N_ITEMS,
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}rlc_umd_sn_size_t;
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static const char rlc_umd_sn_size_text[RLC_UMD_SN_SIZE_N_ITEMS][20] = {"5 bits", "10 bits"};
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static const uint16_t rlc_umd_sn_size_num[RLC_UMD_SN_SIZE_N_ITEMS] = {5, 10};
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typedef struct {
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/****************************************************************************
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* Configurable parameters
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* Ref: 3GPP TS 36.322 v10.0.0 Section 7
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***************************************************************************/
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// TX configs
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int32_t t_poll_retx; // Poll retx timeout (ms)
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int32_t poll_pdu; // Insert poll bit after this many PDUs
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int32_t poll_byte; // Insert poll bit after this much data (KB)
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uint32_t max_retx_thresh; // Max number of retx
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// RX configs
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int32_t t_reordering; // Timer used by rx to detect PDU loss (ms)
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int32_t t_status_prohibit; // Timer used by rx to prohibit tx of status PDU (ms)
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} srslte_rlc_am_config_t;
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typedef struct {
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/****************************************************************************
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* Configurable parameters
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* Ref: 3GPP TS 36.322 v10.0.0 Section 7
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***************************************************************************/
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int32_t t_reordering; // Timer used by rx to detect PDU loss (ms)
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rlc_umd_sn_size_t tx_sn_field_length; // Number of bits used for tx (UL) sequence number
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rlc_umd_sn_size_t rx_sn_field_length; // Number of bits used for rx (DL) sequence number
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uint32_t rx_window_size;
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uint32_t rx_mod; // Rx counter modulus
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uint32_t tx_mod; // Tx counter modulus
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} srslte_rlc_um_config_t;
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class srslte_rlc_config_t
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{
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public:
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LIBLTE_RRC_RLC_MODE_ENUM rlc_mode;
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srslte_rlc_am_config_t am;
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srslte_rlc_um_config_t um;
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// Constructor based on liblte's RLC config
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srslte_rlc_config_t(LIBLTE_RRC_RLC_CONFIG_STRUCT *cnfg) : rlc_mode(cnfg->rlc_mode), am(), um()
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{
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switch(rlc_mode)
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{
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case LIBLTE_RRC_RLC_MODE_AM:
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am.t_poll_retx = liblte_rrc_t_poll_retransmit_num[cnfg->ul_am_rlc.t_poll_retx];
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am.poll_pdu = liblte_rrc_poll_pdu_num[cnfg->ul_am_rlc.poll_pdu];
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am.poll_byte = liblte_rrc_poll_byte_num[cnfg->ul_am_rlc.poll_byte]*1000; // KB
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am.max_retx_thresh = liblte_rrc_max_retx_threshold_num[cnfg->ul_am_rlc.max_retx_thresh];
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am.t_reordering = liblte_rrc_t_reordering_num[cnfg->dl_am_rlc.t_reordering];
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am.t_status_prohibit = liblte_rrc_t_status_prohibit_num[cnfg->dl_am_rlc.t_status_prohibit];
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break;
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case LIBLTE_RRC_RLC_MODE_UM_BI:
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um.t_reordering = liblte_rrc_t_reordering_num[cnfg->dl_um_bi_rlc.t_reordering];
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um.rx_sn_field_length = (rlc_umd_sn_size_t)cnfg->dl_um_bi_rlc.sn_field_len;
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um.rx_window_size = (RLC_UMD_SN_SIZE_5_BITS == um.rx_sn_field_length) ? 16 : 512;
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um.rx_mod = (RLC_UMD_SN_SIZE_5_BITS == um.rx_sn_field_length) ? 32 : 1024;
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um.tx_sn_field_length = (rlc_umd_sn_size_t)cnfg->ul_um_bi_rlc.sn_field_len;
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um.tx_mod = (RLC_UMD_SN_SIZE_5_BITS == um.tx_sn_field_length) ? 32 : 1024;
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break;
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case LIBLTE_RRC_RLC_MODE_UM_UNI_UL:
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um.tx_sn_field_length = (rlc_umd_sn_size_t)cnfg->ul_um_uni_rlc.sn_field_len;
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um.tx_mod = (RLC_UMD_SN_SIZE_5_BITS == um.tx_sn_field_length) ? 32 : 1024;
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break;
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case LIBLTE_RRC_RLC_MODE_UM_UNI_DL:
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um.t_reordering = liblte_rrc_t_reordering_num[cnfg->dl_um_uni_rlc.t_reordering];
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um.rx_sn_field_length = (rlc_umd_sn_size_t)cnfg->dl_um_uni_rlc.sn_field_len;
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um.rx_window_size = (RLC_UMD_SN_SIZE_5_BITS == um.rx_sn_field_length) ? 16 : 512;
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um.rx_mod = (RLC_UMD_SN_SIZE_5_BITS == um.rx_sn_field_length) ? 32 : 1024;
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break;
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default:
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// Handle default case
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break;
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}
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||||||
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}
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};
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} // namespace srslte
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#endif // RLC_INTERFACE_H
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@ -0,0 +1,45 @@
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/**
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||||||
|
*
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||||||
|
* \section COPYRIGHT
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||||||
|
*
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||||||
|
* Copyright 2013-2015 Software Radio Systems Limited
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||||||
|
*
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||||||
|
* \section LICENSE
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||||||
|
*
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||||||
|
* This file is part of the srsUE library.
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||||||
|
*
|
||||||
|
* srsUE is free software: you can redistribute it and/or modify
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||||||
|
* it under the terms of the GNU Affero General Public License as
|
||||||
|
* published by the Free Software Foundation, either version 3 of
|
||||||
|
* the License, or (at your option) any later version.
|
||||||
|
*
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||||||
|
* srsUE is distributed in the hope that it will be useful,
|
||||||
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||||
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||||
|
* GNU Affero General Public License for more details.
|
||||||
|
*
|
||||||
|
* A copy of the GNU Affero General Public License can be found in
|
||||||
|
* the LICENSE file in the top-level directory of this distribution
|
||||||
|
* and at http://www.gnu.org/licenses/.
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||||||
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*
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||||||
|
*/
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#ifndef MAC_COMMON_H
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#define MAC_COMMON_H
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namespace srsue {
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typedef enum {
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HARQ_RTT,
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TIME_ALIGNMENT,
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CONTENTION_TIMER,
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BSR_TIMER_PERIODIC,
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BSR_TIMER_RETX,
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PHR_TIMER_PERIODIC,
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PHR_TIMER_PROHIBIT,
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NOF_MAC_TIMERS
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} mac_timers_t;
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} // namespace srsue
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#endif // MAC_COMMON_H
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@ -0,0 +1,165 @@
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|
/**
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||||||
|
*
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||||||
|
* \section COPYRIGHT
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||||||
|
*
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||||||
|
* Copyright 2013-2015 Software Radio Systems Limited
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||||||
|
*
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||||||
|
* \section LICENSE
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||||||
|
*
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||||||
|
* This file is part of the srsUE library.
|
||||||
|
*
|
||||||
|
* srsUE is free software: you can redistribute it and/or modify
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||||||
|
* it under the terms of the GNU Affero General Public License as
|
||||||
|
* published by the Free Software Foundation, either version 3 of
|
||||||
|
* the License, or (at your option) any later version.
|
||||||
|
*
|
||||||
|
* srsUE is distributed in the hope that it will be useful,
|
||||||
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||||
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||||
|
* GNU Affero General Public License for more details.
|
||||||
|
*
|
||||||
|
* A copy of the GNU Affero General Public License can be found in
|
||||||
|
* the LICENSE file in the top-level directory of this distribution
|
||||||
|
* and at http://www.gnu.org/licenses/.
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||||||
|
*
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||||||
|
*/
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||||||
|
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||||||
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/******************************************************************************
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||||||
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* File: ue_base.h
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||||||
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* Description: Base class for UEs.
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||||||
|
*****************************************************************************/
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||||||
|
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#ifndef UE_BASE_H
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#define UE_BASE_H
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||||||
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#include <stdarg.h>
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|
#include <string>
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||||||
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#include <pthread.h>
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#include "srslte/radio/radio_multi.h"
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||||||
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#include "phy/phy.h"
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#include "upper/usim.h"
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||||||
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#include "srslte/interfaces/ue_interfaces.h"
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||||||
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||||||
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#include "srslte/common/logger.h"
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||||||
|
#include "srslte/common/log_filter.h"
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||||||
|
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||||||
|
#include "ue_metrics_interface.h"
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||||||
|
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||||||
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namespace srsue {
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||||||
|
|
||||||
|
/*******************************************************************************
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||||||
|
UE Parameters
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||||||
|
*******************************************************************************/
|
||||||
|
|
||||||
|
typedef struct {
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||||||
|
uint32_t dl_earfcn;
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||||||
|
float dl_freq;
|
||||||
|
float ul_freq;
|
||||||
|
float rx_gain;
|
||||||
|
float tx_gain;
|
||||||
|
uint32_t nof_rx_ant;
|
||||||
|
std::string device_name;
|
||||||
|
std::string device_args;
|
||||||
|
std::string time_adv_nsamples;
|
||||||
|
std::string burst_preamble;
|
||||||
|
}rf_args_t;
|
||||||
|
|
||||||
|
typedef struct {
|
||||||
|
bool enable;
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||||||
|
std::string filename;
|
||||||
|
}pcap_args_t;
|
||||||
|
|
||||||
|
typedef struct {
|
||||||
|
bool enable;
|
||||||
|
std::string phy_filename;
|
||||||
|
std::string radio_filename;
|
||||||
|
}trace_args_t;
|
||||||
|
|
||||||
|
typedef struct {
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||||||
|
std::string phy_level;
|
||||||
|
std::string mac_level;
|
||||||
|
std::string rlc_level;
|
||||||
|
std::string pdcp_level;
|
||||||
|
std::string rrc_level;
|
||||||
|
std::string gw_level;
|
||||||
|
std::string nas_level;
|
||||||
|
std::string usim_level;
|
||||||
|
std::string all_level;
|
||||||
|
int phy_hex_limit;
|
||||||
|
int mac_hex_limit;
|
||||||
|
int rlc_hex_limit;
|
||||||
|
int pdcp_hex_limit;
|
||||||
|
int rrc_hex_limit;
|
||||||
|
int gw_hex_limit;
|
||||||
|
int nas_hex_limit;
|
||||||
|
int usim_hex_limit;
|
||||||
|
int all_hex_limit;
|
||||||
|
std::string filename;
|
||||||
|
}log_args_t;
|
||||||
|
|
||||||
|
typedef struct {
|
||||||
|
bool enable;
|
||||||
|
}gui_args_t;
|
||||||
|
|
||||||
|
typedef struct {
|
||||||
|
phy_args_t phy;
|
||||||
|
float metrics_period_secs;
|
||||||
|
bool pregenerate_signals;
|
||||||
|
std::string ue_cateogry;
|
||||||
|
}expert_args_t;
|
||||||
|
|
||||||
|
typedef struct {
|
||||||
|
rf_args_t rf;
|
||||||
|
rf_cal_t rf_cal;
|
||||||
|
pcap_args_t pcap;
|
||||||
|
trace_args_t trace;
|
||||||
|
log_args_t log;
|
||||||
|
gui_args_t gui;
|
||||||
|
usim_args_t usim;
|
||||||
|
expert_args_t expert;
|
||||||
|
}all_args_t;
|
||||||
|
|
||||||
|
typedef enum {
|
||||||
|
LTE = 0,
|
||||||
|
SRSUE_INSTANCE_TYPE_NITEMS
|
||||||
|
} srsue_instance_type_t;
|
||||||
|
static const char srsue_instance_type_text[SRSUE_INSTANCE_TYPE_NITEMS][10] = { "LTE" };
|
||||||
|
|
||||||
|
|
||||||
|
/*******************************************************************************
|
||||||
|
Main UE class
|
||||||
|
*******************************************************************************/
|
||||||
|
|
||||||
|
class ue_base
|
||||||
|
:public ue_interface
|
||||||
|
,public ue_metrics_interface
|
||||||
|
{
|
||||||
|
public:
|
||||||
|
ue_base() {}
|
||||||
|
virtual ~ue_base() {}
|
||||||
|
|
||||||
|
static ue_base* get_instance(srsue_instance_type_t type);
|
||||||
|
|
||||||
|
void cleanup(void);
|
||||||
|
|
||||||
|
virtual bool init(all_args_t *args_) = 0;
|
||||||
|
virtual void stop() = 0;
|
||||||
|
virtual bool is_attached() = 0;
|
||||||
|
virtual void start_plot() = 0;
|
||||||
|
|
||||||
|
void handle_rf_msg(srslte_rf_error_t error);
|
||||||
|
|
||||||
|
// UE metrics interface
|
||||||
|
virtual bool get_metrics(ue_metrics_t &m) = 0;
|
||||||
|
|
||||||
|
virtual void pregenerate_signals(bool enable) = 0;
|
||||||
|
|
||||||
|
srslte::log_filter rf_log;
|
||||||
|
rf_metrics_t rf_metrics;
|
||||||
|
srslte::LOG_LEVEL_ENUM level(std::string l);
|
||||||
|
};
|
||||||
|
|
||||||
|
} // namespace srsue
|
||||||
|
|
||||||
|
#endif // UE_BASE_H
|
||||||
|
|
||||||
@ -0,0 +1,53 @@
|
|||||||
|
/**
|
||||||
|
*
|
||||||
|
* \section COPYRIGHT
|
||||||
|
*
|
||||||
|
* Copyright 2013-2015 Software Radio Systems Limited
|
||||||
|
*
|
||||||
|
* \section LICENSE
|
||||||
|
*
|
||||||
|
* This file is part of the srsUE library.
|
||||||
|
*
|
||||||
|
* srsUE is free software: you can redistribute it and/or modify
|
||||||
|
* it under the terms of the GNU Affero General Public License as
|
||||||
|
* published by the Free Software Foundation, either version 3 of
|
||||||
|
* the License, or (at your option) any later version.
|
||||||
|
*
|
||||||
|
* srsUE is distributed in the hope that it will be useful,
|
||||||
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||||
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||||
|
* GNU Affero General Public License for more details.
|
||||||
|
*
|
||||||
|
* A copy of the GNU Affero General Public License can be found in
|
||||||
|
* the LICENSE file in the top-level directory of this distribution
|
||||||
|
* and at http://www.gnu.org/licenses/.
|
||||||
|
*
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef RRC_COMMON_H
|
||||||
|
#define RRC_COMMON_H
|
||||||
|
|
||||||
|
namespace srsue {
|
||||||
|
|
||||||
|
|
||||||
|
// RRC states (3GPP 36.331 v10.0.0)
|
||||||
|
typedef enum {
|
||||||
|
RRC_STATE_IDLE = 0,
|
||||||
|
RRC_STATE_PLMN_SELECTION,
|
||||||
|
RRC_STATE_CELL_SELECTING,
|
||||||
|
RRC_STATE_CELL_SELECTED,
|
||||||
|
RRC_STATE_CONNECTING,
|
||||||
|
RRC_STATE_CONNECTED,
|
||||||
|
RRC_STATE_N_ITEMS,
|
||||||
|
} rrc_state_t;
|
||||||
|
static const char rrc_state_text[RRC_STATE_N_ITEMS][100] = {"IDLE",
|
||||||
|
"PLMN SELECTION",
|
||||||
|
"CELL SELECTION",
|
||||||
|
"CONNECTING",
|
||||||
|
"CONNECTED",
|
||||||
|
"RRC CONNECTED"};
|
||||||
|
|
||||||
|
} // namespace srsue
|
||||||
|
|
||||||
|
|
||||||
|
#endif // RRC_COMMON_H
|
||||||
@ -1,337 +0,0 @@
|
|||||||
/**
|
|
||||||
*
|
|
||||||
* \section COPYRIGHT
|
|
||||||
*
|
|
||||||
* Copyright 2013-2015 Software Radio Systems Limited
|
|
||||||
*
|
|
||||||
* \section LICENSE
|
|
||||||
*
|
|
||||||
* This file is part of the srsUE library.
|
|
||||||
*
|
|
||||||
* srsUE is free software: you can redistribute it and/or modify
|
|
||||||
* it under the terms of the GNU Affero General Public License as
|
|
||||||
* published by the Free Software Foundation, either version 3 of
|
|
||||||
* the License, or (at your option) any later version.
|
|
||||||
*
|
|
||||||
* srsUE is distributed in the hope that it will be useful,
|
|
||||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
||||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
||||||
* GNU Affero General Public License for more details.
|
|
||||||
*
|
|
||||||
* A copy of the GNU Affero General Public License can be found in
|
|
||||||
* the LICENSE file in the top-level directory of this distribution
|
|
||||||
* and at http://www.gnu.org/licenses/.
|
|
||||||
*
|
|
||||||
*/
|
|
||||||
|
|
||||||
#define Error(fmt, ...) log_h->error_line(__FILE__, __LINE__, fmt, ##__VA_ARGS__)
|
|
||||||
#define Warning(fmt, ...) log_h->warning_line(__FILE__, __LINE__, fmt, ##__VA_ARGS__)
|
|
||||||
#define Info(fmt, ...) log_h->info_line(__FILE__, __LINE__, fmt, ##__VA_ARGS__)
|
|
||||||
#define Debug(fmt, ...) log_h->debug_line(__FILE__, __LINE__, fmt, ##__VA_ARGS__)
|
|
||||||
|
|
||||||
#include "mac/mac.h"
|
|
||||||
#include "mac/dl_harq.h"
|
|
||||||
|
|
||||||
|
|
||||||
namespace srsue {
|
|
||||||
|
|
||||||
|
|
||||||
/***********************************************************
|
|
||||||
*
|
|
||||||
* HARQ ENTITY
|
|
||||||
*
|
|
||||||
*********************************************************/
|
|
||||||
|
|
||||||
dl_harq_entity::dl_harq_entity()
|
|
||||||
{
|
|
||||||
pcap = NULL;
|
|
||||||
}
|
|
||||||
|
|
||||||
bool dl_harq_entity::init(srslte::log* log_h_, mac_interface_rrc::mac_cfg_t *mac_cfg_, srslte::timers* timers_, demux *demux_unit_)
|
|
||||||
{
|
|
||||||
timers_db = timers_;
|
|
||||||
demux_unit = demux_unit_;
|
|
||||||
mac_cfg = mac_cfg_;
|
|
||||||
si_window_start = 0;
|
|
||||||
log_h = log_h_;
|
|
||||||
for (uint32_t i=0;i<NOF_HARQ_PROC+1;i++) {
|
|
||||||
if (!proc[i].init(i, this)) {
|
|
||||||
return false;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
return true;
|
|
||||||
|
|
||||||
}
|
|
||||||
|
|
||||||
void dl_harq_entity::start_pcap(srslte::mac_pcap* pcap_)
|
|
||||||
{
|
|
||||||
pcap = pcap_;
|
|
||||||
}
|
|
||||||
|
|
||||||
void dl_harq_entity::reset()
|
|
||||||
{
|
|
||||||
for (uint32_t i=0;i<NOF_HARQ_PROC+1;i++) {
|
|
||||||
proc[i].reset();
|
|
||||||
}
|
|
||||||
dl_sps_assig.clear();
|
|
||||||
}
|
|
||||||
|
|
||||||
uint32_t dl_harq_entity::get_harq_sps_pid(uint32_t tti) {
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
void dl_harq_entity::new_grant_dl(mac_interface_phy::mac_grant_t grant, mac_interface_phy::tb_action_dl_t* action)
|
|
||||||
{
|
|
||||||
|
|
||||||
if (grant.rnti_type != SRSLTE_RNTI_SPS) {
|
|
||||||
uint32_t harq_pid;
|
|
||||||
// Set BCCH PID for SI RNTI
|
|
||||||
if (grant.rnti_type == SRSLTE_RNTI_SI) {
|
|
||||||
harq_pid = HARQ_BCCH_PID;
|
|
||||||
} else {
|
|
||||||
harq_pid = grant.pid%NOF_HARQ_PROC;
|
|
||||||
}
|
|
||||||
if (grant.rnti_type == SRSLTE_RNTI_TEMP && last_temporal_crnti != grant.rnti) {
|
|
||||||
grant.ndi = true;
|
|
||||||
Info("Set NDI=1 for Temp-RNTI DL grant\n");
|
|
||||||
last_temporal_crnti = grant.rnti;
|
|
||||||
}
|
|
||||||
if (grant.rnti_type == SRSLTE_RNTI_USER && proc[harq_pid].is_sps()) {
|
|
||||||
grant.ndi = true;
|
|
||||||
Info("Set NDI=1 for C-RNTI DL grant\n");
|
|
||||||
}
|
|
||||||
proc[harq_pid].new_grant_dl(grant, action);
|
|
||||||
} else {
|
|
||||||
/* This is for SPS scheduling */
|
|
||||||
uint32_t harq_pid = get_harq_sps_pid(grant.tti)%NOF_HARQ_PROC;
|
|
||||||
if (grant.ndi) {
|
|
||||||
grant.ndi = false;
|
|
||||||
proc[harq_pid].new_grant_dl(grant, action);
|
|
||||||
} else {
|
|
||||||
if (grant.is_sps_release) {
|
|
||||||
dl_sps_assig.clear();
|
|
||||||
if (timers_db->get(mac::TIME_ALIGNMENT)->is_running()) {
|
|
||||||
//phy_h->send_sps_ack();
|
|
||||||
Warning("PHY Send SPS ACK not implemented\n");
|
|
||||||
}
|
|
||||||
} else {
|
|
||||||
Error("SPS not implemented\n");
|
|
||||||
//dl_sps_assig.reset(grant.tti, grant);
|
|
||||||
//grant.ndi = true;
|
|
||||||
//procs[harq_pid].save_grant();
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
void dl_harq_entity::tb_decoded(bool ack, srslte_rnti_type_t rnti_type, uint32_t harq_pid)
|
|
||||||
{
|
|
||||||
if (rnti_type == SRSLTE_RNTI_SI) {
|
|
||||||
proc[NOF_HARQ_PROC].tb_decoded(ack);
|
|
||||||
} else {
|
|
||||||
proc[harq_pid%NOF_HARQ_PROC].tb_decoded(ack);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
int dl_harq_entity::get_current_tbs(uint32_t harq_pid)
|
|
||||||
{
|
|
||||||
return proc[harq_pid%NOF_HARQ_PROC].get_current_tbs();
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
bool dl_harq_entity::generate_ack_callback(void *arg)
|
|
||||||
{
|
|
||||||
demux *demux_unit = (demux*) arg;
|
|
||||||
return demux_unit->get_uecrid_successful();
|
|
||||||
}
|
|
||||||
|
|
||||||
void dl_harq_entity::set_si_window_start(int si_window_start_)
|
|
||||||
{
|
|
||||||
si_window_start = si_window_start_;
|
|
||||||
}
|
|
||||||
|
|
||||||
float dl_harq_entity::get_average_retx()
|
|
||||||
{
|
|
||||||
return average_retx;
|
|
||||||
}
|
|
||||||
|
|
||||||
/***********************************************************
|
|
||||||
*
|
|
||||||
* HARQ PROCESS
|
|
||||||
*
|
|
||||||
*********************************************************/
|
|
||||||
|
|
||||||
dl_harq_entity::dl_harq_process::dl_harq_process() {
|
|
||||||
is_initiated = false;
|
|
||||||
ack = false;
|
|
||||||
bzero(&cur_grant, sizeof(mac_interface_phy::mac_grant_t));
|
|
||||||
}
|
|
||||||
|
|
||||||
void dl_harq_entity::dl_harq_process::reset() {
|
|
||||||
ack = false;
|
|
||||||
payload_buffer_ptr = NULL;
|
|
||||||
bzero(&cur_grant, sizeof(mac_interface_phy::mac_grant_t));
|
|
||||||
if (is_initiated) {
|
|
||||||
srslte_softbuffer_rx_reset(&softbuffer);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
bool dl_harq_entity::dl_harq_process::init(uint32_t pid_, dl_harq_entity *parent) {
|
|
||||||
if (srslte_softbuffer_rx_init(&softbuffer, SRSLTE_MAX_PRB)) {
|
|
||||||
fprintf(stderr, "Error initiating soft buffer\n");
|
|
||||||
return false;
|
|
||||||
} else {
|
|
||||||
pid = pid_;
|
|
||||||
is_initiated = true;
|
|
||||||
harq_entity = parent;
|
|
||||||
log_h = harq_entity->log_h;
|
|
||||||
return true;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
bool dl_harq_entity::dl_harq_process::is_sps()
|
|
||||||
{
|
|
||||||
return false;
|
|
||||||
}
|
|
||||||
|
|
||||||
bool dl_harq_entity::dl_harq_process::calc_is_new_transmission(mac_interface_phy::mac_grant_t grant) {
|
|
||||||
|
|
||||||
bool is_new_tb = true;
|
|
||||||
if ((srslte_tti_interval(grant.tti, cur_grant.tti) <= 8 && (grant.n_bytes == cur_grant.n_bytes)) ||
|
|
||||||
pid == HARQ_BCCH_PID)
|
|
||||||
{
|
|
||||||
is_new_tb = false;
|
|
||||||
}
|
|
||||||
|
|
||||||
if ((grant.ndi != cur_grant.ndi && !is_new_tb) || // NDI toggled for same TB
|
|
||||||
is_new_tb || // is new TB
|
|
||||||
(pid == HARQ_BCCH_PID && grant.rv == 0)) // Broadcast PID and 1st TX (RV=0)
|
|
||||||
{
|
|
||||||
is_new_transmission = true;
|
|
||||||
Debug("Set HARQ for new transmission\n");
|
|
||||||
} else {
|
|
||||||
is_new_transmission = false;
|
|
||||||
Debug("Set HARQ for retransmission\n");
|
|
||||||
}
|
|
||||||
|
|
||||||
return is_new_transmission;
|
|
||||||
}
|
|
||||||
|
|
||||||
void dl_harq_entity::dl_harq_process::new_grant_dl(mac_interface_phy::mac_grant_t grant, mac_interface_phy::tb_action_dl_t* action)
|
|
||||||
{
|
|
||||||
// Compute RV for BCCH when not specified in PDCCH format
|
|
||||||
if (pid == HARQ_BCCH_PID && grant.rv == -1) {
|
|
||||||
uint32_t k;
|
|
||||||
if ((grant.tti/10)%2 == 0 && grant.tti%10 == 5) { // This is SIB1, k is different
|
|
||||||
k = (grant.tti/20)%4;
|
|
||||||
grant.rv = ((uint32_t) ceilf((float)1.5*k))%4;
|
|
||||||
} else if (grant.rv == -1) {
|
|
||||||
k = (grant.tti-harq_entity->si_window_start)%4;
|
|
||||||
grant.rv = ((uint32_t) ceilf((float)1.5*k))%4;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
calc_is_new_transmission(grant);
|
|
||||||
if (is_new_transmission) {
|
|
||||||
ack = false;
|
|
||||||
srslte_softbuffer_rx_reset_tbs(&softbuffer, cur_grant.n_bytes*8);
|
|
||||||
n_retx = 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
// Save grant
|
|
||||||
grant.last_ndi = cur_grant.ndi;
|
|
||||||
grant.last_tti = cur_grant.tti;
|
|
||||||
memcpy(&cur_grant, &grant, sizeof(mac_interface_phy::mac_grant_t));
|
|
||||||
|
|
||||||
// Fill action structure
|
|
||||||
bzero(action, sizeof(mac_interface_phy::tb_action_dl_t));
|
|
||||||
action->default_ack = ack;
|
|
||||||
action->generate_ack = true;
|
|
||||||
action->decode_enabled = false;
|
|
||||||
|
|
||||||
// If data has not yet been successfully decoded
|
|
||||||
if (ack == false) {
|
|
||||||
|
|
||||||
// Instruct the PHY To combine the received data and attempt to decode it
|
|
||||||
payload_buffer_ptr = harq_entity->demux_unit->request_buffer(pid, cur_grant.n_bytes);
|
|
||||||
action->payload_ptr = payload_buffer_ptr;
|
|
||||||
if (!action->payload_ptr) {
|
|
||||||
action->decode_enabled = false;
|
|
||||||
Error("Can't get a buffer for TBS=%d\n", cur_grant.n_bytes);
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
action->decode_enabled = true;
|
|
||||||
action->rv = cur_grant.rv;
|
|
||||||
action->rnti = cur_grant.rnti;
|
|
||||||
action->softbuffer = &softbuffer;
|
|
||||||
memcpy(&action->phy_grant, &cur_grant.phy_grant, sizeof(srslte_phy_grant_t));
|
|
||||||
n_retx++;
|
|
||||||
|
|
||||||
} else {
|
|
||||||
Warning("DL PID %d: Received duplicate TB. Discarting and retransmitting ACK\n", pid);
|
|
||||||
}
|
|
||||||
|
|
||||||
if (pid == HARQ_BCCH_PID || harq_entity->timers_db->get(mac::TIME_ALIGNMENT)->is_expired()) {
|
|
||||||
// Do not generate ACK
|
|
||||||
Debug("Not generating ACK\n");
|
|
||||||
action->generate_ack = false;
|
|
||||||
} else {
|
|
||||||
if (cur_grant.rnti_type == SRSLTE_RNTI_TEMP && ack == false) {
|
|
||||||
// Postpone ACK after contention resolution is resolved
|
|
||||||
action->generate_ack_callback = harq_entity->generate_ack_callback;
|
|
||||||
action->generate_ack_callback_arg = harq_entity->demux_unit;
|
|
||||||
Debug("ACK pending contention resolution\n");
|
|
||||||
} else {
|
|
||||||
Debug("Generating ACK\n");
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
int dl_harq_entity::dl_harq_process::get_current_tbs()
|
|
||||||
{
|
|
||||||
return cur_grant.n_bytes*8;
|
|
||||||
}
|
|
||||||
|
|
||||||
void dl_harq_entity::dl_harq_process::tb_decoded(bool ack_)
|
|
||||||
{
|
|
||||||
ack = ack_;
|
|
||||||
if (ack == true) {
|
|
||||||
if (pid == HARQ_BCCH_PID) {
|
|
||||||
if (harq_entity->pcap) {
|
|
||||||
harq_entity->pcap->write_dl_sirnti(payload_buffer_ptr, cur_grant.n_bytes, ack, cur_grant.tti);
|
|
||||||
}
|
|
||||||
Debug("Delivering PDU=%d bytes to Dissassemble and Demux unit (BCCH)\n", cur_grant.n_bytes);
|
|
||||||
harq_entity->demux_unit->push_pdu(pid, payload_buffer_ptr, cur_grant.n_bytes, cur_grant.tti);
|
|
||||||
} else {
|
|
||||||
if (harq_entity->pcap) {
|
|
||||||
harq_entity->pcap->write_dl_crnti(payload_buffer_ptr, cur_grant.n_bytes, cur_grant.rnti, ack, cur_grant.tti);
|
|
||||||
}
|
|
||||||
if (ack) {
|
|
||||||
if (cur_grant.rnti_type == SRSLTE_RNTI_TEMP) {
|
|
||||||
Debug("Delivering PDU=%d bytes to Dissassemble and Demux unit (Temporal C-RNTI)\n", cur_grant.n_bytes);
|
|
||||||
harq_entity->demux_unit->push_pdu_temp_crnti(payload_buffer_ptr, cur_grant.n_bytes);
|
|
||||||
} else {
|
|
||||||
Debug("Delivering PDU=%d bytes to Dissassemble and Demux unit\n", cur_grant.n_bytes);
|
|
||||||
harq_entity->demux_unit->push_pdu(pid, payload_buffer_ptr, cur_grant.n_bytes, cur_grant.tti);
|
|
||||||
|
|
||||||
// Compute average number of retransmissions per packet
|
|
||||||
harq_entity->average_retx = SRSLTE_VEC_CMA((float) n_retx, harq_entity->average_retx, harq_entity->nof_pkts++);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
} else {
|
|
||||||
harq_entity->demux_unit->deallocate(payload_buffer_ptr);
|
|
||||||
}
|
|
||||||
|
|
||||||
Info("DL %d: %s tbs=%d, rv=%d, ack=%s, ndi=%d (%d), tti=%d (%d)\n",
|
|
||||||
pid, is_new_transmission?"newTX":"reTX ",
|
|
||||||
cur_grant.n_bytes, cur_grant.rv, ack?"OK":"KO",
|
|
||||||
cur_grant.ndi, cur_grant.last_ndi, cur_grant.tti, cur_grant.last_tti);
|
|
||||||
|
|
||||||
if (ack && pid == HARQ_BCCH_PID) {
|
|
||||||
reset();
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
}
|
|
||||||
@ -1,394 +0,0 @@
|
|||||||
/**
|
|
||||||
*
|
|
||||||
* \section COPYRIGHT
|
|
||||||
*
|
|
||||||
* Copyright 2013-2015 Software Radio Systems Limited
|
|
||||||
*
|
|
||||||
* \section LICENSE
|
|
||||||
*
|
|
||||||
* This file is part of the srsUE library.
|
|
||||||
*
|
|
||||||
* srsUE is free software: you can redistribute it and/or modify
|
|
||||||
* it under the terms of the GNU Affero General Public License as
|
|
||||||
* published by the Free Software Foundation, either version 3 of
|
|
||||||
* the License, or (at your option) any later version.
|
|
||||||
*
|
|
||||||
* srsUE is distributed in the hope that it will be useful,
|
|
||||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
||||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
||||||
* GNU Affero General Public License for more details.
|
|
||||||
*
|
|
||||||
* A copy of the GNU Affero General Public License can be found in
|
|
||||||
* the LICENSE file in the top-level directory of this distribution
|
|
||||||
* and at http://www.gnu.org/licenses/.
|
|
||||||
*
|
|
||||||
*/
|
|
||||||
|
|
||||||
#define Error(fmt, ...) log_h->error_line(__FILE__, __LINE__, fmt, ##__VA_ARGS__)
|
|
||||||
#define Warning(fmt, ...) log_h->warning_line(__FILE__, __LINE__, fmt, ##__VA_ARGS__)
|
|
||||||
#define Info(fmt, ...) log_h->info_line(__FILE__, __LINE__, fmt, ##__VA_ARGS__)
|
|
||||||
#define Debug(fmt, ...) log_h->debug_line(__FILE__, __LINE__, fmt, ##__VA_ARGS__)
|
|
||||||
|
|
||||||
#include "srslte/common/log.h"
|
|
||||||
#include "mac/mac.h"
|
|
||||||
#include "mac/ul_harq.h"
|
|
||||||
|
|
||||||
|
|
||||||
namespace srsue {
|
|
||||||
|
|
||||||
/***********************************************************
|
|
||||||
*
|
|
||||||
* HARQ ENTITY
|
|
||||||
*
|
|
||||||
*********************************************************/
|
|
||||||
|
|
||||||
bool ul_harq_entity::init(srslte::log *log_h_,
|
|
||||||
mac_interface_rrc::ue_rnti_t *rntis_,
|
|
||||||
mac_interface_rrc::mac_cfg_t *mac_cfg_,
|
|
||||||
srslte::timers *timers_db_,
|
|
||||||
mux *mux_unit_) {
|
|
||||||
log_h = log_h_;
|
|
||||||
mux_unit = mux_unit_;
|
|
||||||
mac_cfg = mac_cfg_;
|
|
||||||
rntis = rntis_;
|
|
||||||
timers_db = timers_db_;
|
|
||||||
for (uint32_t i=0;i<NOF_HARQ_PROC;i++) {
|
|
||||||
if (!proc[i].init(i, this)) {
|
|
||||||
return false;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
return true;
|
|
||||||
}
|
|
||||||
uint32_t ul_harq_entity::pidof(uint32_t tti) {
|
|
||||||
return (uint32_t) tti%NOF_HARQ_PROC;
|
|
||||||
}
|
|
||||||
|
|
||||||
void ul_harq_entity::start_pcap(srslte::mac_pcap* pcap_)
|
|
||||||
{
|
|
||||||
pcap = pcap_;
|
|
||||||
}
|
|
||||||
|
|
||||||
void ul_harq_entity::reset() {
|
|
||||||
for (uint32_t i=0;i<NOF_HARQ_PROC;i++) {
|
|
||||||
proc[i].reset();
|
|
||||||
}
|
|
||||||
ul_sps_assig.clear();
|
|
||||||
}
|
|
||||||
void ul_harq_entity::reset_ndi() {
|
|
||||||
for (uint32_t i=0;i<NOF_HARQ_PROC;i++) {
|
|
||||||
proc[i].reset_ndi();
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
int ul_harq_entity::get_current_tbs(uint32_t tti) {
|
|
||||||
int tti_harq = (int) tti-4;
|
|
||||||
if (tti_harq < 0) {
|
|
||||||
tti_harq += 10240;
|
|
||||||
}
|
|
||||||
uint32_t pid_harq = pidof(tti_harq);
|
|
||||||
return proc[pid_harq].get_current_tbs();
|
|
||||||
}
|
|
||||||
|
|
||||||
void ul_harq_entity::set_ack(uint32_t tti, bool ack) {
|
|
||||||
int tti_harq = (int) tti - 4;
|
|
||||||
if (tti_harq < 0) {
|
|
||||||
tti_harq += 10240;
|
|
||||||
}
|
|
||||||
uint32_t pid_harq = pidof(tti_harq);
|
|
||||||
if (proc[pid_harq].has_grant() && (proc[pid_harq].last_tx_tti() <= (uint32_t)tti_harq)) {
|
|
||||||
proc[pid_harq].set_harq_feedback(ack);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
void ul_harq_entity::harq_recv(uint32_t tti, bool ack, mac_interface_phy::tb_action_ul_t* action)
|
|
||||||
{
|
|
||||||
set_ack(tti, ack);
|
|
||||||
run_tti(tti, NULL, action);
|
|
||||||
}
|
|
||||||
|
|
||||||
// Implements Section 5.4.1
|
|
||||||
void ul_harq_entity::new_grant_ul(mac_interface_phy::mac_grant_t grant, mac_interface_phy::tb_action_ul_t* action)
|
|
||||||
{
|
|
||||||
if (grant.rnti_type == SRSLTE_RNTI_USER ||
|
|
||||||
grant.rnti_type == SRSLTE_RNTI_TEMP ||
|
|
||||||
grant.rnti_type == SRSLTE_RNTI_RAR)
|
|
||||||
{
|
|
||||||
if (grant.rnti_type == SRSLTE_RNTI_USER && proc[pidof(grant.tti)].is_sps()) {
|
|
||||||
grant.ndi = true;
|
|
||||||
}
|
|
||||||
run_tti(grant.tti, &grant, action);
|
|
||||||
} else if (grant.rnti_type == SRSLTE_RNTI_SPS) {
|
|
||||||
if (grant.ndi) {
|
|
||||||
grant.ndi = proc[pidof(grant.tti)].get_ndi();
|
|
||||||
run_tti(grant.tti, &grant, action);
|
|
||||||
} else {
|
|
||||||
Info("Not implemented\n");
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
void ul_harq_entity::new_grant_ul_ack(mac_interface_phy::mac_grant_t grant, bool ack, mac_interface_phy::tb_action_ul_t* action)
|
|
||||||
{
|
|
||||||
set_ack(grant.tti, ack);
|
|
||||||
new_grant_ul(grant, action);
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
// Implements Section 5.4.2.1
|
|
||||||
// Called with UL grant
|
|
||||||
void ul_harq_entity::run_tti(uint32_t tti, mac_interface_phy::mac_grant_t *grant, mac_interface_phy::tb_action_ul_t* action)
|
|
||||||
{
|
|
||||||
uint32_t tti_tx = (tti+4)%10240;
|
|
||||||
proc[pidof(tti_tx)].run_tti(tti_tx, grant, action);
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
float ul_harq_entity::get_average_retx()
|
|
||||||
{
|
|
||||||
return average_retx;
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
/***********************************************************
|
|
||||||
*
|
|
||||||
* HARQ PROCESS
|
|
||||||
*
|
|
||||||
*********************************************************/
|
|
||||||
|
|
||||||
static int rv_of_irv[4] = {0, 2, 3, 1};
|
|
||||||
static int irv_of_rv[4] = {0, 3, 1, 2};
|
|
||||||
|
|
||||||
ul_harq_entity::ul_harq_process::ul_harq_process() {
|
|
||||||
current_tx_nb = 0;
|
|
||||||
current_irv = 0;
|
|
||||||
is_initiated = false;
|
|
||||||
is_grant_configured = false;
|
|
||||||
tti_last_tx = 0;
|
|
||||||
bzero(&cur_grant, sizeof(mac_interface_phy::mac_grant_t));
|
|
||||||
}
|
|
||||||
|
|
||||||
void ul_harq_entity::ul_harq_process::reset() {
|
|
||||||
current_tx_nb = 0;
|
|
||||||
current_irv = 0;
|
|
||||||
tti_last_tx = 0;
|
|
||||||
is_grant_configured = false;
|
|
||||||
bzero(&cur_grant, sizeof(mac_interface_phy::mac_grant_t));
|
|
||||||
}
|
|
||||||
|
|
||||||
bool ul_harq_entity::ul_harq_process::has_grant() {
|
|
||||||
return is_grant_configured;
|
|
||||||
}
|
|
||||||
|
|
||||||
void ul_harq_entity::ul_harq_process::reset_ndi() {
|
|
||||||
ndi = false;
|
|
||||||
}
|
|
||||||
|
|
||||||
bool ul_harq_entity::ul_harq_process::get_ndi()
|
|
||||||
{
|
|
||||||
return ndi;
|
|
||||||
}
|
|
||||||
|
|
||||||
uint32_t ul_harq_entity::ul_harq_process::get_rv()
|
|
||||||
{
|
|
||||||
return rv_of_irv[current_irv%4];
|
|
||||||
}
|
|
||||||
|
|
||||||
void ul_harq_entity::ul_harq_process::set_harq_feedback(bool ack) {
|
|
||||||
harq_feedback = ack;
|
|
||||||
// UL packet successfully delivered
|
|
||||||
if (ack) {
|
|
||||||
Info("UL %d: HARQ = ACK for UL transmission. Discarting TB.\n", pid);
|
|
||||||
reset();
|
|
||||||
} else {
|
|
||||||
Info("UL %d: HARQ = NACK for UL transmission\n", pid);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
bool ul_harq_entity::ul_harq_process::init(uint32_t pid_, ul_harq_entity* parent) {
|
|
||||||
if (srslte_softbuffer_tx_init(&softbuffer, SRSLTE_MAX_PRB)) {
|
|
||||||
fprintf(stderr, "Error initiating soft buffer\n");
|
|
||||||
return false;
|
|
||||||
} else {
|
|
||||||
is_initiated = true;
|
|
||||||
harq_entity = parent;
|
|
||||||
log_h = harq_entity->log_h;
|
|
||||||
pid = pid_;
|
|
||||||
payload_buffer = (uint8_t*) srslte_vec_malloc(payload_buffer_len*sizeof(uint8_t));
|
|
||||||
if (!payload_buffer) {
|
|
||||||
Error("Allocating memory\n");
|
|
||||||
return false;
|
|
||||||
}
|
|
||||||
pdu_ptr = payload_buffer;
|
|
||||||
return true;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
void ul_harq_entity::ul_harq_process::run_tti(uint32_t tti_tx, mac_interface_phy::mac_grant_t* grant, mac_interface_phy::tb_action_ul_t* action)
|
|
||||||
{
|
|
||||||
|
|
||||||
|
|
||||||
uint32_t max_retx;
|
|
||||||
if (is_msg3) {
|
|
||||||
max_retx = harq_entity->mac_cfg->rach.max_harq_msg3_tx;
|
|
||||||
} else {
|
|
||||||
max_retx = liblte_rrc_max_harq_tx_num[harq_entity->mac_cfg->main.ulsch_cnfg.max_harq_tx];
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
// Receive and route HARQ feedbacks
|
|
||||||
if (grant) {
|
|
||||||
if ((!(grant->rnti_type == SRSLTE_RNTI_TEMP) && grant->ndi != get_ndi()) ||
|
|
||||||
(grant->rnti_type == SRSLTE_RNTI_USER && !has_grant()) ||
|
|
||||||
grant->is_from_rar)
|
|
||||||
{
|
|
||||||
// New transmission
|
|
||||||
|
|
||||||
// Uplink grant in a RAR
|
|
||||||
if (grant->is_from_rar) {
|
|
||||||
Debug("Getting Msg3 buffer payload, grant size=%d bytes\n", grant->n_bytes);
|
|
||||||
pdu_ptr = harq_entity->mux_unit->msg3_get(payload_buffer, grant->n_bytes);
|
|
||||||
if (pdu_ptr) {
|
|
||||||
generate_new_tx(tti_tx, true, grant, action);
|
|
||||||
} else {
|
|
||||||
Warning("UL RAR grant available but no Msg3 on buffer\n");
|
|
||||||
}
|
|
||||||
|
|
||||||
// Normal UL grant
|
|
||||||
} else {
|
|
||||||
// Request a MAC PDU from the Multiplexing & Assemble Unit
|
|
||||||
pdu_ptr = harq_entity->mux_unit->pdu_get(payload_buffer, grant->n_bytes, tti_tx, pid);
|
|
||||||
if (pdu_ptr) {
|
|
||||||
generate_new_tx(tti_tx, false, grant, action);
|
|
||||||
} else {
|
|
||||||
Warning("Uplink grant but no MAC PDU in Multiplex Unit buffer\n");
|
|
||||||
}
|
|
||||||
}
|
|
||||||
} else {
|
|
||||||
// Adaptive Re-TX
|
|
||||||
if (current_tx_nb >= max_retx) {
|
|
||||||
Info("UL %d: Maximum number of ReTX reached (%d). Discarting TB.\n", pid, max_retx);
|
|
||||||
reset();
|
|
||||||
action->expect_ack = false;
|
|
||||||
} else {
|
|
||||||
generate_retx(tti_tx, grant, action);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
} else if (has_grant()) {
|
|
||||||
// Non-Adaptive Re-Tx
|
|
||||||
if (current_tx_nb >= max_retx) {
|
|
||||||
Info("UL %d: Maximum number of ReTX reached (%d). Discarting TB.\n", pid, max_retx);
|
|
||||||
reset();
|
|
||||||
action->expect_ack = false;
|
|
||||||
} else {
|
|
||||||
generate_retx(tti_tx, action);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
if (harq_entity->pcap && grant) {
|
|
||||||
if (grant->is_from_rar) {
|
|
||||||
grant->rnti = harq_entity->rntis->temp_rnti;
|
|
||||||
}
|
|
||||||
harq_entity->pcap->write_ul_crnti(pdu_ptr, grant->n_bytes, grant->rnti, get_nof_retx(), tti_tx);
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
}
|
|
||||||
|
|
||||||
int ul_harq_entity::ul_harq_process::get_current_tbs()
|
|
||||||
{
|
|
||||||
return cur_grant.n_bytes*8;
|
|
||||||
}
|
|
||||||
|
|
||||||
void ul_harq_entity::ul_harq_process::generate_retx(uint32_t tti_tx, mac_interface_phy::tb_action_ul_t *action)
|
|
||||||
{
|
|
||||||
generate_retx(tti_tx, NULL, action);
|
|
||||||
}
|
|
||||||
|
|
||||||
// Retransmission with or w/o grant (Section 5.4.2.2)
|
|
||||||
void ul_harq_entity::ul_harq_process::generate_retx(uint32_t tti_tx, mac_interface_phy::mac_grant_t *grant,
|
|
||||||
mac_interface_phy::tb_action_ul_t *action)
|
|
||||||
{
|
|
||||||
if (grant) {
|
|
||||||
// HARQ entity requests an adaptive transmission
|
|
||||||
if (grant->rv) {
|
|
||||||
current_irv = irv_of_rv[grant->rv%4];
|
|
||||||
}
|
|
||||||
memcpy(&cur_grant, grant, sizeof(mac_interface_phy::mac_grant_t));
|
|
||||||
harq_feedback = false;
|
|
||||||
Info("UL %d: Adaptive retx=%d, RV=%d, TBS=%d\n",
|
|
||||||
pid, current_tx_nb, get_rv(), grant->n_bytes);
|
|
||||||
generate_tx(tti_tx, action);
|
|
||||||
} else {
|
|
||||||
Info("UL %d: Non-Adaptive retx=%d, RV=%d, TBS=%d\n",
|
|
||||||
pid, current_tx_nb, get_rv(), cur_grant.n_bytes);
|
|
||||||
// HARQ entity requests a non-adaptive transmission
|
|
||||||
if (!harq_feedback) {
|
|
||||||
generate_tx(tti_tx, action);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
// On every Msg3 retransmission, restart mac-ContentionResolutionTimer as defined in Section 5.1.5
|
|
||||||
if (is_msg3) {
|
|
||||||
harq_entity->timers_db->get(mac::CONTENTION_TIMER)->reset();
|
|
||||||
}
|
|
||||||
|
|
||||||
harq_entity->mux_unit->pusch_retx(tti_tx, pid);
|
|
||||||
}
|
|
||||||
|
|
||||||
// New transmission (Section 5.4.2.2)
|
|
||||||
void ul_harq_entity::ul_harq_process::generate_new_tx(uint32_t tti_tx, bool is_msg3_,
|
|
||||||
mac_interface_phy::mac_grant_t *grant,
|
|
||||||
mac_interface_phy::tb_action_ul_t *action)
|
|
||||||
{
|
|
||||||
if (grant) {
|
|
||||||
|
|
||||||
// Compute average number of retransmissions per packet considering previous packet
|
|
||||||
harq_entity->average_retx = SRSLTE_VEC_CMA((float) current_tx_nb, harq_entity->average_retx, harq_entity->nof_pkts++);
|
|
||||||
|
|
||||||
|
|
||||||
memcpy(&cur_grant, grant, sizeof(mac_interface_phy::mac_grant_t));
|
|
||||||
harq_feedback = false;
|
|
||||||
is_grant_configured = true;
|
|
||||||
current_tx_nb = 0;
|
|
||||||
current_irv = 0;
|
|
||||||
is_msg3 = is_msg3_;
|
|
||||||
Info("UL %d: New TX%s, RV=%d, TBS=%d, RNTI=%d\n",
|
|
||||||
pid, is_msg3?" for Msg3":"", get_rv(), cur_grant.n_bytes, cur_grant.rnti);
|
|
||||||
generate_tx(tti_tx, action);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
// Transmission of pending frame (Section 5.4.2.2)
|
|
||||||
void ul_harq_entity::ul_harq_process::generate_tx(uint32_t tti_tx, mac_interface_phy::tb_action_ul_t *action)
|
|
||||||
{
|
|
||||||
action->current_tx_nb = current_tx_nb;
|
|
||||||
current_tx_nb++;
|
|
||||||
action->expect_ack = true;
|
|
||||||
action->rnti = is_msg3?harq_entity->rntis->temp_rnti:cur_grant.rnti;
|
|
||||||
action->rv = cur_grant.rv>0?cur_grant.rv:get_rv();
|
|
||||||
action->softbuffer = &softbuffer;
|
|
||||||
action->tx_enabled = true;
|
|
||||||
action->payload_ptr = pdu_ptr;
|
|
||||||
memcpy(&action->phy_grant, &cur_grant.phy_grant, sizeof(srslte_phy_grant_t));
|
|
||||||
|
|
||||||
current_irv = (current_irv+1)%4;
|
|
||||||
tti_last_tx = tti_tx;
|
|
||||||
}
|
|
||||||
|
|
||||||
bool ul_harq_entity::ul_harq_process::is_sps()
|
|
||||||
{
|
|
||||||
return false;
|
|
||||||
}
|
|
||||||
|
|
||||||
uint32_t ul_harq_entity::ul_harq_process::last_tx_tti()
|
|
||||||
{
|
|
||||||
return tti_last_tx;
|
|
||||||
}
|
|
||||||
|
|
||||||
uint32_t ul_harq_entity::ul_harq_process::get_nof_retx()
|
|
||||||
{
|
|
||||||
return current_tx_nb;
|
|
||||||
}
|
|
||||||
|
|
||||||
}
|
|
||||||
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Reference in New Issue