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Fixed some issue with IP address copy in eNB application.

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Modified eNB appilcation for lte-softmodem.
Changed log conponent to ENB_APP.
Addapted lte-softmodem to wait for eNB - MME registration before starting L2L1 task.
Fixed warnings.

git-svn-id: http://svn.eurecom.fr/openair4G/trunk@4601 818b1a75-f10b-46b9-bf7c-635c3b92a50f
This commit is contained in:
winckel
2013-12-05 07:56:44 +00:00
parent c4b7d4c134
commit dfeb30caff
3 changed files with 346 additions and 332 deletions
Download Patch File Download Diff File Expand all files Collapse all files
openair2/ENB_APP/enb_app.c
+16 -11
View File
@@ -109,16 +109,16 @@ static uint32_t eNB_app_register()
s1ap_register_eNB->nb_mme = 1;
s1ap_register_eNB->mme_ip_address[0].ipv4 = 1;
s1ap_register_eNB->mme_ip_address[0].ipv6 = 0;
memcpy (s1ap_register_eNB->mme_ip_address[0].ipv4_address, mme_address_v4, strlen (mme_address_v4));
memcpy (s1ap_register_eNB->mme_ip_address[0].ipv6_address, mme_address_v6, strlen (mme_address_v6));
strncpy (s1ap_register_eNB->mme_ip_address[0].ipv4_address, mme_address_v4, sizeof(s1ap_register_eNB->mme_ip_address[0].ipv4_address));
strncpy (s1ap_register_eNB->mme_ip_address[0].ipv6_address, mme_address_v6, sizeof(s1ap_register_eNB->mme_ip_address[0].ipv6_address));
# if defined ENB_APP_ENB_REGISTER_2_MME
s1ap_register_eNB->nb_mme = 2;
s1ap_register_eNB->mme_ip_address[1].ipv4 = 1;
s1ap_register_eNB->mme_ip_address[1].ipv6 = 0;
mme_address_v4 = "192.168.12.88";
memcpy(s1ap_register_eNB->mme_ip_address[1].ipv4_address, mme_address_v4, strlen(mme_address_v4));
memcpy(s1ap_register_eNB->mme_ip_address[1].ipv6_address, mme_address_v6, strlen(mme_address_v6));
strncpy(s1ap_register_eNB->mme_ip_address[1].ipv4_address, mme_address_v4, sizeof(s1ap_register_eNB->mme_ip_address[1].ipv4_address));
strncpy(s1ap_register_eNB->mme_ip_address[1].ipv6_address, mme_address_v6, sizeof(s1ap_register_eNB->mme_ip_address[1].ipv6_address));
# endif
itti_send_msg_to_task (TASK_S1AP, eNB_id, msg_p);
@@ -176,13 +176,13 @@ void *eNB_app_task(void *args_p)
break;
case MESSAGE_TEST:
LOG_I(EMU, "Received %s\n", ITTI_MSG_NAME(msg_p));
LOG_I(ENB_APP, "Received %s\n", ITTI_MSG_NAME(msg_p));
break;
# if defined(ENABLE_USE_MME)
case S1AP_REGISTER_ENB_CNF:
LOG_I(EMU,
"[eNB %d] Received %s: associated MME %d\n", instance, msg_name, S1AP_REGISTER_ENB_CNF(msg_p).nb_mme);
LOG_I(ENB_APP, "[eNB %d] Received %s: associated MME %d\n", instance, msg_name,
S1AP_REGISTER_ENB_CNF(msg_p).nb_mme);
DevAssert(register_enb_pending > 0);
register_enb_pending--;
@@ -208,21 +208,26 @@ void *eNB_app_task(void *args_p)
{
uint32_t not_associated = enb_nb - registered_enb;
LOG_W(EMU, " %d eNB %s not associated with a MME, retrying registration in %d seconds ...\n",
LOG_W(ENB_APP, " %d eNB %s not associated with a MME, retrying registration in %d seconds ...\n",
not_associated, not_associated > 1 ? "are" : "is", ENB_REGISTER_RETRY_DELAY);
/* Restart the eNB registration process in ENB_REGISTER_RETRY_DELAY seconds */
if (timer_setup (ENB_REGISTER_RETRY_DELAY, 0, TASK_ENB_APP, INSTANCE_DEFAULT, TIMER_ONE_SHOT,
NULL, &enb_register_retry_timer_id) < 0)
{
LOG_E(EMU, " Can not start eNB register retry timer!\n");
LOG_E(ENB_APP, " Can not start eNB register retry timer!\n");
usleep(ENB_REGISTER_RETRY_DELAY * 1000000);
/* Restart the registration process */
registered_enb = 0;
register_enb_pending = eNB_app_register ();
}
}
}
break;
case TIMER_HAS_EXPIRED:
LOG_I(EMU, " Received %s: timer_id %d\n", msg_name, TIMER_HAS_EXPIRED(msg_p).timer_id);
LOG_I(ENB_APP, " Received %s: timer_id %d\n", msg_name, TIMER_HAS_EXPIRED(msg_p).timer_id);
if (TIMER_HAS_EXPIRED (msg_p).timer_id == enb_register_retry_timer_id)
{
@@ -234,7 +239,7 @@ void *eNB_app_task(void *args_p)
# endif
default:
LOG_E(EMU, "Received unexpected message %s\n", msg_name);
LOG_E(ENB_APP, "Received unexpected message %s\n", msg_name);
break;
}
targets/RTAI/USER/Makefile
+4 -1
View File
@@ -75,6 +75,9 @@ OPENAIR2_TOP = $(OPENAIR2_DIR)
include $(OPENAIR2_DIR)/LAYER2/Makefile.inc
include $(OPENAIR2_DIR)/UTIL/Makefile.inc
include $(OPENAIR2_DIR)/RRC/NAS/Makefile.inc
include $(OPENAIR2_DIR)/ENB_APP/Makefile.inc
OBJ += $(ENB_APP_OBJS)
ifeq ($(RTAI),1)
LOG_OBJS=
@@ -101,7 +104,7 @@ ifdef ENABLE_ITTI
RTAI_OBJ += $(UTILS_OBJS)
endif
CFLAGS += $(L2_incl) $(UTIL_incl) $(UTILS_incl)
CFLAGS += $(L2_incl) $(ENB_APP_incl) $(UTIL_incl) $(UTILS_incl)
CFLAGS += -I$(OPENAIR1_DIR) -I$(OPENAIR2_DIR)/RRC/LITE/MESSAGES #-I$(OPENAIR3_DIR)/MESH -I$(OPENAIR3_DIR)/MESH/RRM
targets/RTAI/USER/lte-softmodem.c
+326 -320
View File
@@ -52,6 +52,8 @@
#include <getopt.h>
#include "rt_wrapper.h"
#undef MALLOC //there are two conflicting definitions, so we better make sure we don't use it at all
#include "assertions.h"
#ifdef EMOS
@@ -59,8 +61,13 @@
#endif
#include "PHY/types.h"
#include "PHY/defs.h"
#undef MALLOC //there are two conflicting definitions, so we better make sure we don't use it at all
#undef FRAME_LENGTH_COMPLEX_SAMPLES //there are two conflicting definitions, so we better make sure we don't use it at all
#include "openair0_lib.h"
#undef FRAME_LENGTH_COMPLEX_SAMPLES //there are two conflicting definitions, so we better make sure we don't use it at all
#include "PHY/vars.h"
#include "MAC_INTERFACE/vars.h"
@@ -75,6 +82,7 @@
#endif
#ifdef OPENAIR2
#include "otg_tx.h"
#include "LAYER2/MAC/defs.h"
#include "LAYER2/MAC/vars.h"
#ifndef CELLULAR
@@ -93,6 +101,8 @@ unsigned short config_frames[4] = {2,9,11,13};
#include "UTIL/MATH/oml.h"
#include "UTIL/LOG/vcd_signal_dumper.h"
#include "enb_app.h"
#if defined(ENABLE_ITTI)
# include "intertask_interface_init.h"
# include "timer.h"
@@ -117,8 +127,6 @@ unsigned char scope_enb_num_ue = 1;
#define FRAME_PERIOD 100000000ULL
#define DAQ_PERIOD 66667ULL
#undef MALLOC //there are two conflicting definitions, so we better make sure we don't use it at all
#ifdef RTAI
static SEM *mutex;
//static CND *cond;
@@ -149,6 +157,9 @@ exmimo_config_t *p_exmimo_config;
exmimo_id_t *p_exmimo_id;
volatile unsigned int *DAQ_MBOX;
#if defined(ENABLE_ITTI)
volatile int start_eNB = 0;
#endif
volatile int oai_exit = 0;
//int time_offset[4] = {-138,-138,-138,-138};
@@ -197,7 +208,7 @@ void setup_ue_buffers(PHY_VARS_UE *phy_vars_ue, LTE_DL_FRAME_PARMS *frame_parms,
void setup_eNB_buffers(PHY_VARS_eNB *phy_vars_eNB, LTE_DL_FRAME_PARMS *frame_parms, int carrier);
void test_config(int card, int ant, unsigned int rf_mode, int UE_flag);
unsigned int build_rflocal(txi, txq, rxi, rxq)
unsigned int build_rflocal(int txi, int txq, int rxi, int rxq)
{
return (txi + (txq<<6) + (rxi<<12) + (rxq<<18));
}
@@ -227,9 +238,6 @@ void signal_handler(int sig)
void exit_fun(const char* s)
{
void *array[10];
size_t size;
printf("Exiting: %s\n",s);
oai_exit=1;
@@ -458,11 +466,27 @@ void *emos_thread (void *arg)
#endif
#if defined(ENABLE_ITTI)
void *dummy_l2l1_task(void *arg)
void *l2l1_task(void *arg)
{
MessageDef *message_p = NULL;
itti_set_task_real_time(TASK_L2L1);
itti_mark_task_ready(TASK_L2L1);
if (UE_flag == 0) {
/* Wait for the initialize message */
do {
if (message_p != NULL) {
free (message_p);
}
itti_receive_msg (TASK_L2L1, &message_p);
} while (ITTI_MSG_ID(message_p) != INITIALIZE_MESSAGE);
free (message_p);
/* Start eNB thread */
start_eNB = 1;
}
while (!oai_exit)
{
usleep(500000);
@@ -471,6 +495,64 @@ void *dummy_l2l1_task(void *arg)
}
#endif
#if defined(ENABLE_ITTI)
static int create_tasks(uint32_t enb_nb, uint32_t ue_nb) {
# if defined(ENABLE_USE_MME)
{
if (enb_nb > 0) {
if (itti_create_task(TASK_SCTP, sctp_eNB_task, NULL) < 0) {
LOG_E(EMU, "Create task failed");
LOG_D(EMU, "Initializing SCTP task interface: FAILED\n");
return -1;
}
if (itti_create_task(TASK_S1AP, s1ap_eNB_task, NULL) < 0) {
LOG_E(EMU, "Create task failed");
LOG_D(EMU, "Initializing S1AP task interface: FAILED\n");
return -1;
}
}
}
# endif
# ifdef OPENAIR2
{
if (enb_nb > 0) {
if (itti_create_task (TASK_RRC_ENB, rrc_enb_task, NULL) < 0) {
LOG_E(EMU, "Create task failed");
LOG_D(EMU, "Initializing RRC eNB task interface: FAILED\n");
exit (-1);
}
}
if (ue_nb > 0) {
if (itti_create_task (TASK_RRC_UE, rrc_ue_task, NULL) < 0) {
LOG_E(EMU, "Create task failed");
LOG_D(EMU, "Initializing RRC UE task interface: FAILED\n");
exit (-1);
}
}
}
# endif
if (itti_create_task(TASK_L2L1, l2l1_task, NULL) < 0) {
LOG_E(EMU, "Create task failed");
LOG_D(EMU, "Initializing L2L1 task interface: FAILED\n");
return -1;
}
if (enb_nb > 0) {
/* Last task to create, others task must be ready before its start */
if (itti_create_task(TASK_ENB_APP, eNB_app_task, NULL) < 0) {
LOG_E(EMU, "Create task failed");
LOG_D(EMU, "Initializing eNB APP task interface: FAILED\n");
return -1;
}
}
return 0;
}
#endif
/* This is the main eNB thread. It gets woken up by the kernel driver using the RTAI message mechanism (rt_send and rt_receive). */
static void *eNB_thread(void *arg)
{
@@ -479,7 +561,6 @@ static void *eNB_thread(void *arg)
#endif
unsigned char slot=0,last_slot, next_slot;
int hw_slot,frame=0;
unsigned int msg1;
unsigned int aa,slot_offset, slot_offset_F;
int diff;
int delay_cnt;
@@ -488,209 +569,229 @@ static void *eNB_thread(void *arg)
int i,ret;
int tx_offset;
#if defined(ENABLE_ITTI)
/* Wait for eNB application initialization to be complete (eNB registration to MME) */
{
char *indicator[] = {". ", ".. ", "...", " ..", " .", " "};
int i = 0;
while ((!oai_exit) && (start_eNB == 0)) {
LOG_D(HW,"Waiting for eNB application to be ready %s\r", indicator[i]);
i = (i + 1) % (sizeof(indicator) / sizeof(indicator[0]));
usleep(200000);
}
LOG_D(HW,"\n");
}
#endif
#ifdef RTAI
task = rt_task_init_schmod(nam2num("TASK0"), 0, 0, 0, SCHED_FIFO, 0xF);
LOG_D(HW,"Started eNB thread (id %p)\n",task);
task = rt_task_init_schmod(nam2num("TASK0"), 0, 0, 0, SCHED_FIFO, 0xF);
#endif
if (!oai_exit) {
#ifdef RTAI
LOG_D(HW,"Started eNB thread (id %p)\n",task);
#endif
#ifdef HARD_RT
rt_make_hard_real_time();
rt_make_hard_real_time();
#endif
mlockall(MCL_CURRENT | MCL_FUTURE);
mlockall(MCL_CURRENT | MCL_FUTURE);
timing_info.time_min = 100000000ULL;
timing_info.time_max = 0;
timing_info.time_avg = 0;
timing_info.n_samples = 0;
timing_info.time_min = 100000000ULL;
timing_info.time_max = 0;
timing_info.time_avg = 0;
timing_info.n_samples = 0;
while (!oai_exit)
{
hw_slot = (((((volatile unsigned int *)DAQ_MBOX)[0]+1)%150)<<1)/15;
//LOG_D(HW,"eNB frame %d, time %llu: slot %d, hw_slot %d (mbox %d)\n",frame,rt_get_time_ns(),slot,hw_slot,((unsigned int *)DAQ_MBOX)[0]);
//this is the mbox counter where we should be
//mbox_target = ((((slot+1)%20)*15+1)>>1)%150;
mbox_target = mbox_bounds[slot];
//this is the mbox counter where we are
mbox_current = ((volatile unsigned int *)DAQ_MBOX)[0];
//this is the time we need to sleep in order to synchronize with the hw (in multiples of DAQ_PERIOD)
if ((mbox_current>=135) && (mbox_target<15)) //handle the frame wrap-arround
diff = 150-mbox_current+mbox_target;
else if ((mbox_current<15) && (mbox_target>=135))
diff = -150+mbox_target-mbox_current;
else
diff = mbox_target - mbox_current;
if (((slot%2==0) && (diff < (-14))) || ((slot%2==1) && (diff < (-7)))) {
// at the eNB, even slots have double as much time since most of the processing is done here and almost nothing in odd slots
LOG_D(HW,"eNB Frame %d, time %llu: missed slot, proceeding with next one (slot %d, hw_slot %d, diff %d)\n",frame, rt_get_time_ns(), slot, hw_slot, diff);
slot++;
if (frame > 0) {
oai_exit = 1;
while (!oai_exit)
{
hw_slot = (((((volatile unsigned int *)DAQ_MBOX)[0]+1)%150)<<1)/15;
//LOG_D(HW,"eNB frame %d, time %llu: slot %d, hw_slot %d (mbox %d)\n",frame,rt_get_time_ns(),slot,hw_slot,((unsigned int *)DAQ_MBOX)[0]);
//this is the mbox counter where we should be
//mbox_target = ((((slot+1)%20)*15+1)>>1)%150;
mbox_target = mbox_bounds[slot];
//this is the mbox counter where we are
mbox_current = ((volatile unsigned int *)DAQ_MBOX)[0];
//this is the time we need to sleep in order to synchronize with the hw (in multiples of DAQ_PERIOD)
if ((mbox_current>=135) && (mbox_target<15)) //handle the frame wrap-arround
diff = 150-mbox_current+mbox_target;
else if ((mbox_current<15) && (mbox_target>=135))
diff = -150+mbox_target-mbox_current;
else
diff = mbox_target - mbox_current;
if (((slot%2==0) && (diff < (-14))) || ((slot%2==1) && (diff < (-7)))) {
// at the eNB, even slots have double as much time since most of the processing is done here and almost nothing in odd slots
LOG_D(HW,"eNB Frame %d, time %llu: missed slot, proceeding with next one (slot %d, hw_slot %d, diff %d)\n",frame, rt_get_time_ns(), slot, hw_slot, diff);
slot++;
if (frame > 0) {
oai_exit = 1;
#if defined(ENABLE_ITTI)
itti_send_terminate_message (TASK_L2L1);
itti_send_terminate_message (TASK_L2L1);
#endif
}
if (slot==20){
slot=0;
frame++;
}
continue;
}
if (slot==20){
if (diff>8)
LOG_D(HW,"eNB Frame %d, time %llu: skipped slot, waiting for hw to catch up (slot %d, hw_slot %d, mbox_current %d, mbox_target %d, diff %d)\n",frame, rt_get_time_ns(), slot, hw_slot, mbox_current, mbox_target, diff);
delay_cnt = 0;
while ((diff>0) && (!oai_exit))
{
time_in = rt_get_time_ns();
//LOG_D(HW,"eNB Frame %d delaycnt %d : hw_slot %d (%d), slot %d, (slot+1)*15=%d, diff %d, time %llu\n",frame,delay_cnt,hw_slot,((unsigned int *)DAQ_MBOX)[0],slot,(((slot+1)*15)>>1),diff,time_in);
//LOG_D(HW,"eNB Frame %d, time %llu: sleeping for %llu (slot %d, hw_slot %d, diff %d, mbox %d, delay_cnt %d)\n", frame, time_in, diff*DAQ_PERIOD,slot,hw_slot,diff,((volatile unsigned int *)DAQ_MBOX)[0],delay_cnt);
ret = rt_sleep_ns(diff*DAQ_PERIOD);
if (ret)
LOG_D(HW,"eNB Frame %d, time %llu: rt_sleep_ns returned %d\n",frame, time_in);
hw_slot = (((((volatile unsigned int *)DAQ_MBOX)[0]+1)%150)<<1)/15;
//LOG_D(HW,"eNB Frame %d : hw_slot %d, time %llu\n",frame,hw_slot,rt_get_time_ns());
delay_cnt++;
if (delay_cnt == 10)
{
oai_exit = 1;
LOG_D(HW,"eNB Frame %d: HW stopped ... \n",frame);
}
mbox_current = ((volatile unsigned int *)DAQ_MBOX)[0];
if ((mbox_current>=135) && (mbox_target<15)) //handle the frame wrap-arround
diff = 150-mbox_current+mbox_target;
else if ((mbox_current<15) && (mbox_target>=135))
diff = -150+mbox_target-mbox_current;
else
diff = mbox_target - mbox_current;
}
last_slot = (slot)%LTE_SLOTS_PER_FRAME;
if (last_slot <0)
last_slot+=20;
next_slot = (slot+3)%LTE_SLOTS_PER_FRAME;
//PHY_vars_eNB_g[0]->frame = frame;
if (frame>5)
{
/*
if (frame%100==0)
LOG_D(HW,"frame %d (%d), slot %d, hw_slot %d, next_slot %d (before): DAQ_MBOX %d\n",frame, PHY_vars_eNB_g[0]->frame, slot, hw_slot,next_slot,DAQ_MBOX[0]);
*/
//if (PHY_vars_eNB_g[0]->frame>5) {
timing_info.time_last = timing_info.time_now;
timing_info.time_now = rt_get_time_ns();
if (timing_info.n_samples>0) {
time_diff = timing_info.time_now - timing_info.time_last;
if (time_diff < timing_info.time_min)
timing_info.time_min = time_diff;
if (time_diff > timing_info.time_max)
timing_info.time_max = time_diff;
timing_info.time_avg += time_diff;
}
timing_info.n_samples++;
/*
if ((timing_info.n_samples%2000)==0) {
LOG_D(HW,"frame %d (%d), slot %d, hw_slot %d: diff=%llu, min=%llu, max=%llu, avg=%llu (n_samples %d)\n",
frame, PHY_vars_eNB_g[0]->frame, slot, hw_slot,time_diff,
timing_info.time_min,timing_info.time_max,timing_info.time_avg/timing_info.n_samples,timing_info.n_samples);
timing_info.n_samples = 0;
timing_info.time_avg = 0;
}
*/
//}
if (fs4_test==0)
{
phy_procedures_eNB_lte (last_slot, next_slot, PHY_vars_eNB_g[0], 0, no_relay,NULL);
#ifndef IFFT_FPGA
slot_offset_F = (next_slot)*
(PHY_vars_eNB_g[0]->lte_frame_parms.ofdm_symbol_size)*
((PHY_vars_eNB_g[0]->lte_frame_parms.Ncp==1) ? 6 : 7);
slot_offset = (next_slot)*
(PHY_vars_eNB_g[0]->lte_frame_parms.samples_per_tti>>1);
if ((subframe_select(&PHY_vars_eNB_g[0]->lte_frame_parms,next_slot>>1)==SF_DL)||
((subframe_select(&PHY_vars_eNB_g[0]->lte_frame_parms,next_slot>>1)==SF_S)&&((next_slot&1)==0)))
{
// LOG_D(HW,"Frame %d: Generating slot %d\n",frame,next_slot);
for (aa=0; aa<PHY_vars_eNB_g[0]->lte_frame_parms.nb_antennas_tx; aa++)
{
if (PHY_vars_eNB_g[0]->lte_frame_parms.Ncp == 1)
{
PHY_ofdm_mod(&PHY_vars_eNB_g[0]->lte_eNB_common_vars.txdataF[0][aa][slot_offset_F],
#ifdef BIT8_TX
&PHY_vars_eNB_g[0]->lte_eNB_common_vars.txdata[0][aa][slot_offset>>1],
#else
dummy_tx_buffer,//&PHY_vars_eNB_g[0]->lte_eNB_common_vars.txdata[0][aa][slot_offset],
#endif
PHY_vars_eNB_g[0]->lte_frame_parms.log2_symbol_size,
6,
PHY_vars_eNB_g[0]->lte_frame_parms.nb_prefix_samples,
PHY_vars_eNB_g[0]->lte_frame_parms.twiddle_ifft,
PHY_vars_eNB_g[0]->lte_frame_parms.rev,
CYCLIC_PREFIX);
}
else
{
normal_prefix_mod(&PHY_vars_eNB_g[0]->lte_eNB_common_vars.txdataF[0][aa][slot_offset_F],
#ifdef BIT8_TX
&PHY_vars_eNB_g[0]->lte_eNB_common_vars.txdata[0][aa][slot_offset>>1],
#else
dummy_tx_buffer,//&PHY_vars_eNB_g[0]->lte_eNB_common_vars.txdata[0][aa][slot_offset],
#endif
7,
&(PHY_vars_eNB_g[0]->lte_frame_parms));
}
#ifdef EXMIMO
for (i=0; i<PHY_vars_eNB_g[0]->lte_frame_parms.samples_per_tti/2; i++)
{
tx_offset = (int)slot_offset+time_offset[aa]+i;
if (tx_offset<0)
tx_offset += LTE_NUMBER_OF_SUBFRAMES_PER_FRAME*PHY_vars_eNB_g[0]->lte_frame_parms.samples_per_tti;
if (tx_offset>=(LTE_NUMBER_OF_SUBFRAMES_PER_FRAME*PHY_vars_eNB_g[0]->lte_frame_parms.samples_per_tti))
tx_offset -= LTE_NUMBER_OF_SUBFRAMES_PER_FRAME*PHY_vars_eNB_g[0]->lte_frame_parms.samples_per_tti;
((short*)&PHY_vars_eNB_g[0]->lte_eNB_common_vars.txdata[0][aa][tx_offset])[0]=
((short*)dummy_tx_buffer)[2*i]<<4;
((short*)&PHY_vars_eNB_g[0]->lte_eNB_common_vars.txdata[0][aa][tx_offset])[1]=
((short*)dummy_tx_buffer)[2*i+1]<<4;
}
#endif //EXMIMO
}
}
}
#endif //IFFT_FPGA
/*
if (frame%100==0)
LOG_D(HW,"hw_slot %d (after): DAQ_MBOX %d\n",hw_slot,DAQ_MBOX[0]);
*/
}
/*
if ((slot%2000)<10)
LOG_D(HW,"fun0: doing very hard work\n");
*/
slot++;
if (slot==20) {
slot=0;
frame++;
}
continue;
}
if (diff>8)
LOG_D(HW,"eNB Frame %d, time %llu: skipped slot, waiting for hw to catch up (slot %d, hw_slot %d, mbox_current %d, mbox_target %d, diff %d)\n",frame, rt_get_time_ns(), slot, hw_slot, mbox_current, mbox_target, diff);
delay_cnt = 0;
while ((diff>0) && (!oai_exit))
{
time_in = rt_get_time_ns();
//LOG_D(HW,"eNB Frame %d delaycnt %d : hw_slot %d (%d), slot %d, (slot+1)*15=%d, diff %d, time %llu\n",frame,delay_cnt,hw_slot,((unsigned int *)DAQ_MBOX)[0],slot,(((slot+1)*15)>>1),diff,time_in);
//LOG_D(HW,"eNB Frame %d, time %llu: sleeping for %llu (slot %d, hw_slot %d, diff %d, mbox %d, delay_cnt %d)\n", frame, time_in, diff*DAQ_PERIOD,slot,hw_slot,diff,((volatile unsigned int *)DAQ_MBOX)[0],delay_cnt);
ret = rt_sleep_ns(diff*DAQ_PERIOD);
if (ret)
LOG_D(HW,"eNB Frame %d, time %llu: rt_sleep_ns returned %d\n",frame, time_in);
hw_slot = (((((volatile unsigned int *)DAQ_MBOX)[0]+1)%150)<<1)/15;
//LOG_D(HW,"eNB Frame %d : hw_slot %d, time %llu\n",frame,hw_slot,rt_get_time_ns());
delay_cnt++;
if (delay_cnt == 10)
{
oai_exit = 1;
LOG_D(HW,"eNB Frame %d: HW stopped ... \n",frame);
}
mbox_current = ((volatile unsigned int *)DAQ_MBOX)[0];
if ((mbox_current>=135) && (mbox_target<15)) //handle the frame wrap-arround
diff = 150-mbox_current+mbox_target;
else if ((mbox_current<15) && (mbox_target>=135))
diff = -150+mbox_target-mbox_current;
else
diff = mbox_target - mbox_current;
}
last_slot = (slot)%LTE_SLOTS_PER_FRAME;
if (last_slot <0)
last_slot+=20;
next_slot = (slot+3)%LTE_SLOTS_PER_FRAME;
//PHY_vars_eNB_g[0]->frame = frame;
if (frame>5)
{
/*
if (frame%100==0)
LOG_D(HW,"frame %d (%d), slot %d, hw_slot %d, next_slot %d (before): DAQ_MBOX %d\n",frame, PHY_vars_eNB_g[0]->frame, slot, hw_slot,next_slot,DAQ_MBOX[0]);
*/
//if (PHY_vars_eNB_g[0]->frame>5) {
timing_info.time_last = timing_info.time_now;
timing_info.time_now = rt_get_time_ns();
if (timing_info.n_samples>0) {
time_diff = timing_info.time_now - timing_info.time_last;
if (time_diff < timing_info.time_min)
timing_info.time_min = time_diff;
if (time_diff > timing_info.time_max)
timing_info.time_max = time_diff;
timing_info.time_avg += time_diff;
}
timing_info.n_samples++;
/*
if ((timing_info.n_samples%2000)==0) {
LOG_D(HW,"frame %d (%d), slot %d, hw_slot %d: diff=%llu, min=%llu, max=%llu, avg=%llu (n_samples %d)\n",
frame, PHY_vars_eNB_g[0]->frame, slot, hw_slot,time_diff,
timing_info.time_min,timing_info.time_max,timing_info.time_avg/timing_info.n_samples,timing_info.n_samples);
timing_info.n_samples = 0;
timing_info.time_avg = 0;
}
*/
//}
if (fs4_test==0)
{
phy_procedures_eNB_lte (last_slot, next_slot, PHY_vars_eNB_g[0], 0, no_relay,NULL);
#ifndef IFFT_FPGA
slot_offset_F = (next_slot)*
(PHY_vars_eNB_g[0]->lte_frame_parms.ofdm_symbol_size)*
((PHY_vars_eNB_g[0]->lte_frame_parms.Ncp==1) ? 6 : 7);
slot_offset = (next_slot)*
(PHY_vars_eNB_g[0]->lte_frame_parms.samples_per_tti>>1);
if ((subframe_select(&PHY_vars_eNB_g[0]->lte_frame_parms,next_slot>>1)==SF_DL)||
((subframe_select(&PHY_vars_eNB_g[0]->lte_frame_parms,next_slot>>1)==SF_S)&&((next_slot&1)==0)))
{
// LOG_D(HW,"Frame %d: Generating slot %d\n",frame,next_slot);
for (aa=0; aa<PHY_vars_eNB_g[0]->lte_frame_parms.nb_antennas_tx; aa++)
{
if (PHY_vars_eNB_g[0]->lte_frame_parms.Ncp == 1)
{
PHY_ofdm_mod(&PHY_vars_eNB_g[0]->lte_eNB_common_vars.txdataF[0][aa][slot_offset_F],
#ifdef BIT8_TX
&PHY_vars_eNB_g[0]->lte_eNB_common_vars.txdata[0][aa][slot_offset>>1],
#else
dummy_tx_buffer,//&PHY_vars_eNB_g[0]->lte_eNB_common_vars.txdata[0][aa][slot_offset],
#endif
PHY_vars_eNB_g[0]->lte_frame_parms.log2_symbol_size,
6,
PHY_vars_eNB_g[0]->lte_frame_parms.nb_prefix_samples,
PHY_vars_eNB_g[0]->lte_frame_parms.twiddle_ifft,
PHY_vars_eNB_g[0]->lte_frame_parms.rev,
CYCLIC_PREFIX);
}
else
{
normal_prefix_mod(&PHY_vars_eNB_g[0]->lte_eNB_common_vars.txdataF[0][aa][slot_offset_F],
#ifdef BIT8_TX
&PHY_vars_eNB_g[0]->lte_eNB_common_vars.txdata[0][aa][slot_offset>>1],
#else
dummy_tx_buffer,//&PHY_vars_eNB_g[0]->lte_eNB_common_vars.txdata[0][aa][slot_offset],
#endif
7,
&(PHY_vars_eNB_g[0]->lte_frame_parms));
}
#ifdef EXMIMO
for (i=0; i<PHY_vars_eNB_g[0]->lte_frame_parms.samples_per_tti/2; i++)
{
tx_offset = (int)slot_offset+time_offset[aa]+i;
if (tx_offset<0)
tx_offset += LTE_NUMBER_OF_SUBFRAMES_PER_FRAME*PHY_vars_eNB_g[0]->lte_frame_parms.samples_per_tti;
if (tx_offset>=(LTE_NUMBER_OF_SUBFRAMES_PER_FRAME*PHY_vars_eNB_g[0]->lte_frame_parms.samples_per_tti))
tx_offset -= LTE_NUMBER_OF_SUBFRAMES_PER_FRAME*PHY_vars_eNB_g[0]->lte_frame_parms.samples_per_tti;
((short*)&PHY_vars_eNB_g[0]->lte_eNB_common_vars.txdata[0][aa][tx_offset])[0]=
((short*)dummy_tx_buffer)[2*i]<<4;
((short*)&PHY_vars_eNB_g[0]->lte_eNB_common_vars.txdata[0][aa][tx_offset])[1]=
((short*)dummy_tx_buffer)[2*i+1]<<4;
}
#endif //EXMIMO
}
}
}
#endif //IFFT_FPGA
/*
if (frame%100==0)
LOG_D(HW,"hw_slot %d (after): DAQ_MBOX %d\n",hw_slot,DAQ_MBOX[0]);
*/
}
/*
if ((slot%2000)<10)
LOG_D(HW,"fun0: doing very hard work\n");
*/
slot++;
if (slot==20) {
slot=0;
frame++;
}
#if defined(ENABLE_ITTI)
itti_update_lte_time(frame, slot);
itti_update_lte_time(frame, slot);
#endif
}
}
LOG_D(HW,"eNB_thread: finished, ran %d times.\n",frame);
LOG_D(HW,"eNB_thread: finished, ran %d times.\n",frame);
#ifdef HARD_RT
rt_make_soft_real_time();
rt_make_soft_real_time();
#endif
}
// clean task
#ifdef RTAI
@@ -706,18 +807,14 @@ static void *UE_thread(void *arg)
#ifdef RTAI
RT_TASK *task;
#endif
RTIME in, out, diff;
// RTIME in, out, diff;
int slot=0,frame=0,hw_slot,last_slot, next_slot;
unsigned int msg1;
unsigned int aa,slot_offset, slot_offset_F;
// unsigned int aa;
static int is_synchronized = 0;
static int received_slots = 0;
static int slot0 = 0;
int delay_cnt;
RTIME time_in;
int hw_slot_offset=0,rx_offset_mbox=0,mbox_target=0,mbox_current=0;
int diff2;
static int first_run=1;
int i, ret;
#ifdef RTAI
@@ -830,10 +927,10 @@ static void *UE_thread(void *arg)
LOG_D(HW,"frame %d (%d), slot %d, hw_slot %d, last_slot %d (before): DAQ_MBOX %d\n",frame, PHY_vars_UE_g[0]->frame, slot,hw_slot,last_slot,DAQ_MBOX[0]);
*/
in = rt_get_time_ns();
// in = rt_get_time_ns();
phy_procedures_UE_lte (last_slot, next_slot, PHY_vars_UE_g[0], 0, 0,mode,0,NULL);
out = rt_get_time_ns();
diff = out-in;
// out = rt_get_time_ns();
// diff = out-in;
/*
if (frame % 100 == 0)
@@ -934,84 +1031,15 @@ static void *UE_thread(void *arg)
return 0;
}
void *eNB_app_task(void *args_p)
{
#if defined(ENABLE_ITTI) && defined(ENABLE_USE_MME)
MessageDef *message_p;
char *mme_address_v4;
char *mme_address_v6 = "2001:660:5502:12:30da:829a:2343:b6cf";
s1ap_register_enb_req_t *s1ap_register_eNB;
uint32_t hash;
if (EPC_MODE_ENABLED)
{
mme_address_v4 = EPC_MODE_MME_ADDRESS;
}
else
{
mme_address_v4 = "192.168.12.87";
}
/* FIXME: following parameters should be setup by eNB applicative layer ? */
message_p = itti_alloc_new_message(TASK_ENB_APP, S1AP_REGISTER_ENB_REQ);
s1ap_register_eNB = &message_p->ittiMsg.s1ap_register_enb_req;
hash = s1ap_generate_eNB_id();
/* Some default/random parameters */
s1ap_register_eNB->eNB_id = eNB_id + (hash & 0xFFFF8);
s1ap_register_eNB->cell_type = CELL_MACRO_ENB;
s1ap_register_eNB->tac = 0;
s1ap_register_eNB->mcc = 208;
s1ap_register_eNB->mnc = 34;
s1ap_register_eNB->default_drx = PAGING_DRX_256;
s1ap_register_eNB->nb_mme = 1;
s1ap_register_eNB->mme_ip_address[0].ipv4 = 1;
s1ap_register_eNB->mme_ip_address[0].ipv6 = 0;
memcpy(s1ap_register_eNB->mme_ip_address[0].ipv4_address, mme_address_v4,
strlen(mme_address_v4));
memcpy(s1ap_register_eNB->mme_ip_address[0].ipv6_address, mme_address_v6,
strlen(mme_address_v6));
itti_send_msg_to_task(TASK_S1AP, eNB_id, message_p);
itti_mark_task_ready (TASK_ENB_APP); // at the end of init for the current task
do {
// Checks if a message has been sent to L2L1 task
itti_receive_msg (TASK_ENB_APP, &message_p);
if (message_p != NULL) {
switch (ITTI_MSG_ID(message_p)) {
case TERMINATE_MESSAGE:
itti_exit_task ();
break;
case MESSAGE_TEST:
LOG_D(EMU, "Received %s\n", ITTI_MSG_NAME(message_p));
break;
default:
LOG_E(EMU, "Received unexpected message %s\n", ITTI_MSG_NAME(message_p));
break;
}
free (message_p);
}
} while(1);
#endif
return NULL;
}
int main(int argc, char **argv) {
#ifdef RTAI
RT_TASK *task;
// RT_TASK *task;
#endif
int i,j,aa;
#if defined (XFORMS) || defined (EMOS) || (! defined (RTAI))
void *status;
#endif
/*
u32 rf_mode_max[4] = {55759,55759,55759,55759};
@@ -1033,16 +1061,21 @@ int main(int argc, char **argv) {
u16 Nid_cell = 0;
u8 cooperation_flag=0, transmission_mode=1, abstraction_flag=0;
#ifndef OPENAIR2
u8 beta_ACK=0,beta_RI=0,beta_CQI=2;
#endif
int c;
#ifdef XFORMS
char do_forms=0;
unsigned int fd;
#endif
#ifdef ENABLE_TCXO
unsigned int tcxo = 114;
#endif
int amp;
u8 prach_fmt;
int N_ZC;
// u8 prach_fmt;
// int N_ZC;
char rxg_fname[100];
char txg_fname[100];
@@ -1060,7 +1093,9 @@ int main(int argc, char **argv) {
int ret, ant;
int ant_offset=0;
#if defined (EMOS) || (! defined (RTAI))
int error_code;
#endif
char *itti_dump_file = NULL;
const struct option long_options[] = {
@@ -1082,7 +1117,9 @@ int main(int argc, char **argv) {
ouput_vcd = 1;
break;
case 'd':
#ifdef XFORMS
do_forms=1;
#endif
break;
case 'U':
UE_flag = 1;
@@ -1097,7 +1134,9 @@ int main(int argc, char **argv) {
fs4_test=1;
break;
case 'T':
#ifdef ENABLE_TCXO
tcxo=atoi(optarg);
#endif
break;
case 'K':
#if defined(ENABLE_ITTI)
@@ -1163,7 +1202,8 @@ int main(int argc, char **argv) {
rflo_fd = fopen(rflo_fname,"r");
if (rflo_fd) {
printf("Loading RF LO parameters from %s\n",rflo_fname);
fscanf(rflo_fd,"%d %d %d %d",&rf_local[0],&rf_local[1],&rf_local[2],&rf_local[3]);
if (fscanf(rflo_fd,"%d %d %d %d",&rf_local[0],&rf_local[1],&rf_local[2],&rf_local[3]) < 4)
LOG_E(EMU, "Error parsing \"%s\"", rflo_fname);
}
else
printf("%s not found, running with defaults\n",rflo_fname);
@@ -1172,7 +1212,8 @@ int main(int argc, char **argv) {
rfdc_fd = fopen(rfdc_fname,"r");
if (rfdc_fd) {
printf("Loading RF DC parameters from %s\n",rfdc_fname);
fscanf(rfdc_fd,"%d %d %d %d",&rf_rxdc[0],&rf_rxdc[1],&rf_rxdc[2],&rf_rxdc[3]);
if (fscanf(rfdc_fd,"%d %d %d %d",&rf_rxdc[0],&rf_rxdc[1],&rf_rxdc[2],&rf_rxdc[3]) < 4)
LOG_E(EMU, "Error parsing \"%s\"", rfdc_fname);
}
else
printf("%s not found, running with defaults\n",rfdc_fname);
@@ -1234,28 +1275,8 @@ int main(int argc, char **argv) {
#if defined(ENABLE_ITTI)
itti_init(TASK_MAX, THREAD_MAX, MESSAGES_ID_MAX, tasks_info, messages_info, messages_definition_xml, itti_dump_file);
# if defined(ENABLE_USE_MME)
if (itti_create_task(TASK_SCTP, sctp_eNB_task, NULL) < 0) {
LOG_E(EMU, "Create task failed");
LOG_D(EMU, "Initializing SCTP task interface: FAILED\n");
return -1;
}
if (itti_create_task(TASK_S1AP, s1ap_eNB_task, NULL) < 0) {
LOG_E(EMU, "Create task failed");
LOG_D(EMU, "Initializing S1AP task interface: FAILED\n");
return -1;
}
if (itti_create_task(TASK_ENB_APP, eNB_app_task, NULL) < 0) {
LOG_E(EMU, "Create task failed");
LOG_D(EMU, "Initializing eNB APP task interface: FAILED\n");
return -1;
}
# endif
if (itti_create_task(TASK_L2L1, dummy_l2l1_task, NULL) < 0) {
LOG_E(EMU, "Create task failed");
LOG_D(EMU, "Initializing L2L1 task interface: FAILED\n");
return -1;
if (create_tasks(UE_flag ? 0 : 1, UE_flag ? 1 : 0) < 0) {
exit(-1); // need a softer mode
}
// Handle signals until all tasks are terminated
@@ -1328,9 +1349,8 @@ int main(int argc, char **argv) {
frame_parms->prach_config_common.prach_ConfigInfo.prach_ConfigIndex=0;
frame_parms->prach_config_common.prach_ConfigInfo.highSpeedFlag=0;
frame_parms->prach_config_common.prach_ConfigInfo.prach_FreqOffset=0;
prach_fmt = get_prach_fmt(frame_parms->prach_config_common.prach_ConfigInfo.prach_ConfigIndex,
frame_parms->frame_type);
N_ZC = (prach_fmt <4)?839:139;
// prach_fmt = get_prach_fmt(frame_parms->prach_config_common.prach_ConfigInfo.prach_ConfigIndex, frame_parms->frame_type);
// N_ZC = (prach_fmt <4)?839:139;
if (UE_flag==1) {
g_log->log_component[HW].level = LOG_DEBUG;
@@ -1449,6 +1469,8 @@ int main(int argc, char **argv) {
g_log->log_component[SCTP].level = LOG_INFO;
g_log->log_component[SCTP].flag = LOG_HIGH;
#endif
g_log->log_component[ENB_APP].level = LOG_INFO;
g_log->log_component[ENB_APP].flag = LOG_HIGH;
PHY_vars_eNB_g = malloc(sizeof(PHY_VARS_eNB*));
PHY_vars_eNB_g[0] = init_lte_eNB(frame_parms,eNB_id,Nid_cell,cooperation_flag,transmission_mode,abstraction_flag);
@@ -1582,22 +1604,6 @@ int main(int argc, char **argv) {
#ifdef OPENAIR2
int eMBMS_active=0;
#if defined(ENABLE_ITTI)
if (UE_flag == 1) {
if (itti_create_task (TASK_RRC_UE, rrc_ue_task, NULL) < 0) {
LOG_E(EMU, "Create task failed");
LOG_D(EMU, "Initializing RRC UE task interface: FAILED\n");
exit (EXIT_FAILURE);
}
} else {
if (itti_create_task (TASK_RRC_ENB, rrc_enb_task, NULL) < 0) {
LOG_E(EMU, "Create task failed");
LOG_D(EMU, "Initializing RRC eNB task interface: FAILED\n");
exit (EXIT_FAILURE);
}
}
#endif
l2_init(frame_parms,eMBMS_active,
0,// cba_group_active
0); // HO flag
@@ -1623,7 +1629,7 @@ int main(int argc, char **argv) {
g_otg->application_type[i][j][0] = BCBR; //MCBR, BCBR
}
}
init_predef_traffic();
init_predef_traffic(UE_flag ? 1 : 0, UE_flag ? 0 : 1);
// }
#endif
@@ -1725,7 +1731,7 @@ int main(int argc, char **argv) {
#ifdef RTAI
// make main thread LXRT soft realtime
task = rt_task_init_schmod(nam2num("MYTASK"), 9, 0, 0, SCHED_FIFO, 0xF);
/* task = */ rt_task_init_schmod(nam2num("MYTASK"), 9, 0, 0, SCHED_FIFO, 0xF);
// start realtime timer and scheduler
//rt_set_oneshot_mode();