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put pdcp on extra thread for improved real-time operation (no impact on simulation/emulation)

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git-svn-id: http://svn.eurecom.fr/openair4G/trunk@4068 818b1a75-f10b-46b9-bf7c-635c3b92a50f
This commit is contained in:
Florian Kaltenberger
2013-08-09 12:26:54 +00:00
parent a5d3df0cf1
commit 4c6035644f
8 changed files with 227 additions and 7 deletions
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openair2/LAYER2/MAC/eNB_scheduler.c
+22 -2
View File
@@ -55,8 +55,8 @@
#include "RRC/LITE/extern.h"
#include "RRC/L2_INTERFACE/openair_rrc_L2_interface.h"
//#include "LAYER2/MAC/pre_processor.c"
#include "pdcp.h"
double snr_mcs[28]={-4.1130, -3.3830, -2.8420, -2.0480, -1.3230, -0.6120, 0.1080, 0.977, 1.7230, 2.7550, 3.1960, 3.8080, 4.6870, 5.6840, 6.6550, 7.7570, 8.3730, 9.3040, 9.5990, 10.9020, 11.7220, 12.5950, 13.4390, 14.8790, 15.8800, 16.4800, 17.8690, 18.7690};
int cqi_mcs[3][16] = {{0, 0, 0, 2, 4, 6, 8, 11, 13, 15, 18, 20, 22, 25, 27, 27},{0, 0, 0, 2, 4, 6, 8, 11, 13, 15, 18, 20, 22, 25, 27, 27},{0, 0, 0, 2, 4, 6, 8, 11, 13, 15, 18, 19, 22, 24, 26, 27}};
@@ -4199,7 +4199,27 @@ void eNB_dlsch_ulsch_scheduler(u8 Mod_id,u8 cooperation_flag, u32 frame, u8 subf
//if (subframe%5 == 0)
#ifdef EXMIMO
pdcp_run(frame, 1, 0, Mod_id);
//pdcp_run(frame, 1, 0, Mod_id);
if (pthread_mutex_lock (&pdcp_mutex) != 0) {
LOG_E(PDCP,"Cannot lock mutex\n");
//return(-1);
}
else {
pdcp_instance_cnt++;
pthread_mutex_unlock(&pdcp_mutex);
if (pdcp_instance_cnt == 0) {
if (pthread_cond_signal(&pdcp_cond) != 0) {
LOG_E(PDCP,"pthread_cond_signal unsuccessfull\n");
//return(-1);
}
}
else {
LOG_W(PDCP,"PDCP thread busy!!! inst_cnt=%d\n",pdcp_instance_cnt);
}
}
#endif
#ifdef CELLULAR
rrc_rx_tx(Mod_id, frame, 0, 0);
openair2/LAYER2/MAC/ue_procedures.c
+26 -1
View File
@@ -35,6 +35,10 @@
*/
#ifdef EXMIMO
#include <pthread.h>
#endif
#include "extern.h"
#include "defs.h"
#ifdef PHY_EMUL
@@ -54,6 +58,7 @@
#ifdef PHY_EMUL
#include "SIMULATION/simulation_defs.h"
#endif
#include "pdcp.h"
#define DEBUG_HEADER_PARSING 1
#define ENABLE_MAC_PAYLOAD_DEBUG
@@ -1211,7 +1216,27 @@ UE_L2_STATE_t ue_scheduler(u8 Mod_id,u32 frame, u8 subframe, lte_subframe_t dire
//Rrc_xface->Frame_index=Mac_rlc_xface->frame;
//if (subframe%5 == 0)
#ifdef EXMIMO
pdcp_run(frame, 0, Mod_id, eNB_index);
//pdcp_run(frame, 0, Mod_id, eNB_index);
if (pthread_mutex_lock (&pdcp_mutex) != 0) {
LOG_E(PDCP,"Cannot lock mutex\n");
//return(-1);
}
else {
pdcp_instance_cnt++;
pthread_mutex_unlock(&pdcp_mutex);
if (pdcp_instance_cnt == 0) {
if (pthread_cond_signal(&pdcp_cond) != 0) {
LOG_E(PDCP,"pthread_cond_signal unsuccessfull\n");
//return(-1);
}
}
else {
LOG_W(PDCP,"PDCP thread busy!!! inst_cnt=%d\n",pdcp_instance_cnt);
}
}
#endif
UE_mac_inst[Mod_id].frame = frame;
UE_mac_inst[Mod_id].subframe = subframe;
openair2/LAYER2/Makefile.inc
+1
View File
@@ -26,6 +26,7 @@ SOURCES_L2 += $(PDCP_DIR)/pdcp_fifo.c
SOURCES_L2 += $(PDCP_DIR)/pdcp_sequence_manager.c
SOURCES_L2 += $(PDCP_DIR)/pdcp_primitives.c
SOURCES_L2 += $(PDCP_DIR)/pdcp_util.c
SOURCES_L2 += $(PDCP_DIR)/pdcp_thread.c
SOURCES_L2 += $(RLC_AM_DIR)/rlc_am.c
SOURCES_L2 += $(RLC_AM_DIR)/rlc_am_init.c
openair2/LAYER2/PDCP_v10.1.0/pdcp.h
+11
View File
@@ -84,6 +84,17 @@
#define FALSE (0x00)
#define TRUE !(FALSE)
extern pthread_t pdcp_thread;
extern pthread_attr_t pdcp_thread_attr;
extern pthread_mutex_t pdcp_mutex;
extern pthread_cond_t pdcp_cond;
extern int pdcp_instance_cnt;
static void *pdcp_thread_main(void* param);
int init_pdcp_thread(u8 eNB_flag);
void cleanup_pdcp_thread(void);
typedef unsigned char BOOL;
public_pdcp(unsigned int Pdcp_stats_tx[NB_MODULES_MAX][NB_CNX_CH][NB_RAB_MAX]);
openair2/LAYER2/PDCP_v10.1.0/pdcp_thread.c
+154
View File
@@ -0,0 +1,154 @@
/*******************************************************************************
Eurecom OpenAirInterface
Copyright(c) 1999 - 2011 Eurecom
This program is free software; you can redistribute it and/or modify it
under the terms and conditions of the GNU General Public License,
version 2, as published by the Free Software Foundation.
This program is distributed in the hope it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
more details.
You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
The full GNU General Public License is included in this distribution in
the file called "COPYING".
Contact Information
Openair Admin: openair_admin@eurecom.fr
Openair Tech : openair_tech@eurecom.fr
Forums : http://forums.eurecom.fsr/openairinterface
Address : Eurecom, 2229, route des crêtes, 06560 Valbonne Sophia Antipolis, France
*******************************************************************************/
/*! \file pdcp_thread.c
* \brief
* \author F. Kaltenberger
* \date 2013
* \version 0.1
* \company Eurecom
* \email: florian.kaltenberger@eurecom.fr
* \note
* \warning
*/
#include <pthread.h>
//#include <inttypes.h>
#include "pdcp.h"
#include "PHY/extern.h" //for PHY_vars
#include "UTIL/LOG/log.h"
#include "UTIL/LOG/vcd_signal_dumper.h"
#define OPENAIR_THREAD_STACK_SIZE 8192
#define OPENAIR_THREAD_PRIORITY 255
extern int oai_exit;
pthread_t pdcp_thread;
pthread_attr_t pdcp_thread_attr;
pthread_mutex_t pdcp_mutex;
pthread_cond_t pdcp_cond;
int pdcp_instance_cnt;
static void *pdcp_thread_main(void* param) {
u8 eNB_flag = *((u8*)param);
while (!oai_exit) {
if (pthread_mutex_lock(&pdcp_mutex) != 0) {
LOG_E(PDCP,"Error locking mutex.\n");
}
else {
while (pdcp_instance_cnt < 0) {
pthread_cond_wait(&pdcp_cond,&pdcp_mutex);
}
if (pthread_mutex_unlock(&pdcp_mutex) != 0) {
LOG_E(PDCP,"Error unlocking mutex.\n");
}
}
if (oai_exit) break;
if (eNB_flag) {
pdcp_run(PHY_vars_eNB_g[0]->frame, eNB_flag, PHY_vars_eNB_g[0]->Mod_id, 0);
//LOG_I(PDCP,"Calling pdcp_run (eNB) for frame %d\n",PHY_vars_eNB_g[0]->frame);
}
else {
pdcp_run(PHY_vars_UE_g[0]->frame, eNB_flag, 0, PHY_vars_UE_g[0]->Mod_id);
//LOG_I(PDCP,"Calling pdcp_run (UE) for frame %d\n",PHY_vars_UE_g[0]->frame);
}
if (pthread_mutex_lock(&pdcp_mutex) != 0) {
LOG_E(PDCP,"Error locking mutex.\n");
}
else {
pdcp_instance_cnt--;
if (pthread_mutex_unlock(&pdcp_mutex) != 0) {
LOG_E(PDCP,"Error unlocking mutex.\n");
}
}
}
return(NULL);
}
int init_pdcp_thread(u8 eNB_flag) {
int error_code;
struct sched_param p;
pthread_attr_init (&pdcp_thread_attr);
pthread_attr_setstacksize(&pdcp_thread_attr,OPENAIR_THREAD_STACK_SIZE);
//attr_dlsch_threads.priority = 1;
p.sched_priority = OPENAIR_THREAD_PRIORITY;
pthread_attr_setschedparam (&pdcp_thread_attr, &p);
#ifndef RTAI_ISNT_POSIX
pthread_attr_setschedpolicy (&pdcp_thread_attr, SCHED_FIFO);
#endif
pthread_mutex_init(&pdcp_mutex,NULL);
pthread_cond_init(&pdcp_cond,NULL);
pdcp_instance_cnt = -1;
LOG_I(PDCP,"Allocating PDCP thread\n");
error_code = pthread_create(&pdcp_thread,
&pdcp_thread_attr,
pdcp_thread_main,
(void*)(&eNB_flag));
if (error_code!= 0) {
LOG_I(PDCP,"Could not allocate PDCP thread, error %d\n",error_code);
return(error_code);
}
else {
LOG_I(PDCP,"Allocate PDCP thread successful\n");
}
return(0);
}
void cleanup_pdcp_thread(void) {
void *status;
LOG_I(PDCP,"Scheduling PDCP thread to exit\n");
pdcp_instance_cnt = 0;
if (pthread_cond_signal(&pdcp_cond) != 0)
LOG_I(PDCP,"ERROR pthread_cond_signal\n");
else
LOG_I(PDCP,"Signalled PDCP thread to exit\n");
pthread_join(pdcp_thread,&status);
LOG_I(PDCP,"PDCP thread exited\n");
pthread_cond_destroy(&pdcp_cond);
pthread_mutex_destroy(&pdcp_mutex);
}
openair2/LAYER2/RLC/UM_v9.3.0/rlc_um_dar.c
+4 -4
View File
@@ -364,14 +364,14 @@ void rlc_um_try_reassembly(rlc_um_entity_t *rlcP, u32_t frame, u8_t eNB_flag, si
rlcP->reassembly_missing_sn_detected = 0;
break;
default:
LOG_W(RLC, "[MSC_NBOX][FRAME %05d][RLC_UM][MOD %02d][RB %02d][Missing SN detected][RLC_UM][MOD %02d][RB %02d]\n",
frame, rlcP->module_id,rlcP->rb_id, rlcP->module_id,rlcP->rb_id);
#ifdef USER_MODE
assert(1 != 1);
#endif
rlcP->stat_rx_data_pdu_dropped += 1;
rlcP->stat_rx_data_bytes_dropped += tb_ind->size;
LOG_W(RLC, "[MSC_NBOX][FRAME %05d][RLC_UM][MOD %02d][RB %02d][Missing SN detected][RLC_UM][MOD %02d][RB %02d]\n",
frame, rlcP->module_id,rlcP->rb_id, rlcP->module_id,rlcP->rb_id);
rlcP->reassembly_missing_sn_detected = 1;
}
}
@@ -381,8 +381,8 @@ void rlc_um_try_reassembly(rlc_um_entity_t *rlcP, u32_t frame, u8_t eNB_flag, si
rlcP->dar_buffer[sn] = NULL;
} else {
rlcP->last_reassemblied_missing_sn = sn;
LOG_W(RLC, "[MSC_NBOX][FRAME %05d][RLC_UM][MOD %02d][RB %02d][Missing SN %04d detected, clearing RX SDU][RLC_UM][MOD %02d][RB %02d]\n",
frame, rlcP->module_id,rlcP->rb_id, sn, rlcP->module_id,rlcP->rb_id);
LOG_D(RLC, "[MSC_NBOX][FRAME %05d][RLC_UM][MOD %02d][RB %02d][Missing SN %04d detected, clearing RX SDU][RLC_UM][MOD %02d][RB %02d]\n",
frame, rlcP->module_id,rlcP->rb_id, sn, rlcP->module_id,rlcP->rb_id);
rlcP->reassembly_missing_sn_detected = 1;
rlc_um_clear_rx_sdu(rlcP);
}
openair2/RRC/LITE/defs.h
+1
View File
@@ -461,6 +461,7 @@ void rrc_eNB_process_MeasurementReport(u8 Mod_id,u16 UE_index,MeasResults_t *me
//void rrc_ue_process_ueCapabilityEnquiry(uint8_t Mod_id,uint32_t frame,UECapabilityEnquiry_t *UECapabilityEnquiry,uint8_t eNB_index);
//void rrc_ue_process_securityModeCommand(uint8_t Mod_id,uint32_t frame,SecurityModeCommand_t *securityModeCommand,uint8_t eNB_index);
void rrc_remove_UE (u8 Mod_id, u8 UE_id);
#endif
targets/RTAI/USER/lte-softmodem.c
+8
View File
@@ -1391,6 +1391,10 @@ int main(int argc, char **argv) {
// }
#endif
#ifdef OPENAIR2
init_pdcp_thread(!UE_flag);
#endif
number_of_cards = openair0_num_detected_cards;
if (p_exmimo_id->board_exmimoversion==1) //ExpressMIMO1
openair_daq_vars.timing_advance = 138;
@@ -1665,6 +1669,10 @@ int main(int argc, char **argv) {
#endif
}
#ifdef OPENAIR2
cleanup_pdcp_thread();
#endif
#ifdef RTAI
stop_rt_timer();
#endif