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Added a mechanism to wait for eNB MME link to be establish for all eNB before starting L2L1 task.

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git-svn-id: http://svn.eurecom.fr/openair4G/trunk@4577 818b1a75-f10b-46b9-bf7c-635c3b92a50f
This commit is contained in:
winckel
2013-12-04 08:32:21 +00:00
parent 8d2f5e8950
commit 0ef04198b5
9 changed files with 362 additions and 197 deletions
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targets/SIMU/USER/oaisim.c
+159 -74
View File
@@ -69,6 +69,7 @@ char smbv_ip[16];
#include "UTIL/LOG/vcd_signal_dumper.h"
#include "UTIL/OTG/otg_kpi.h"
#include "assertions.h"
#if defined(ENABLE_ITTI)
# include "intertask_interface_init.h"
@@ -372,9 +373,8 @@ static s32 UE_id = 0, eNB_id = 0;
static s32 RN_id=0;
#endif
int itti_create_task_successful(void){
#if defined(ENABLE_ITTI)
int itti_create_task_successful(void){
# if defined(ENABLE_USE_MME)
if (itti_create_task(TASK_SCTP, sctp_eNB_task, NULL) < 0) {
LOG_E(EMU, "Create task failed");
@@ -388,103 +388,180 @@ int itti_create_task_successful(void){
}
# endif
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;
}
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;
}
#endif
/* 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 1;
}
#endif
/*
* later, the enb task will be moved from here
*/
void *eNB_app_task(void *args_p) {
#if defined(ENABLE_ITTI)
MessageDef *message_p;
/*
* later, the eNB task will be moved from here
*/
# if defined(ENABLE_USE_MME)
/* Trying to register each eNB */
#define ENB_REGISTER_RETRY_DELAY 10
uint32_t eNB_app_register()
{
MessageDef *msg_p;
uint32_t register_enb_pending = 0;
for (eNB_id = oai_emulation.info.first_enb_local;
(eNB_id < (oai_emulation.info.first_enb_local + oai_emulation.info.nb_enb_local)) && (oai_emulation.info.cli_start_enb[eNB_id] == 1);
eNB_id++) {
char *mme_address_v4;
if (EPC_MODE_ENABLED){
mme_address_v4 = EPC_MODE_MME_ADDRESS;
}else {
mme_address_v4 = "192.168.12.87";
}
char *mme_address_v6 = "2001:660:5502:12:30da:829a:2343:b6cf";
s1ap_register_eNB_t *s1ap_register_eNB;
uint32_t hash;
//note: there is an implicit relationship between the data struct and the message name
message_p = itti_alloc_new_message(TASK_ENB_APP, S1AP_REGISTER_ENB);
s1ap_register_eNB = &message_p->ittiMsg.s1ap_register_eNB;
hash = s1ap_generate_eNB_id();
(eNB_id < (oai_emulation.info.first_enb_local + oai_emulation.info.nb_enb_local)) && (oai_emulation.info.cli_start_enb[eNB_id] == 1);
eNB_id++) {
char *mme_address_v4;
/* 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);
if (EPC_MODE_ENABLED){
mme_address_v4 = EPC_MODE_MME_ADDRESS;
} else {
mme_address_v4 = "192.168.12.87";
}
char *mme_address_v6 = "2001:660:5502:12:30da:829a:2343:b6cf";
s1ap_register_enb_req_t *s1ap_register_eNB;
uint32_t hash;
//note: there is an implicit relationship between the data struct and the message name
msg_p = itti_alloc_new_message(TASK_ENB_APP, S1AP_REGISTER_ENB_REQ);
s1ap_register_eNB = &S1AP_REGISTER_ENB_REQ(msg_p);
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));
# 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));
# endif
itti_send_msg_to_task(TASK_S1AP, eNB_id, msg_p);
register_enb_pending ++;
}
return register_enb_pending;
}
# endif
#endif
void *eNB_app_task(void *args_p) {
#if defined(ENABLE_ITTI)
# if defined(ENABLE_USE_MME)
static uint32_t register_enb_pending;
static uint32_t registered_enb;
static long enb_register_retry_timer_id;
# endif
MessageDef *msg_p;
const char *msg_name;
instance_t instance;
itti_mark_task_ready (TASK_ENB_APP);
# if defined(ENABLE_USE_MME)
/* Try to register each eNB */
registered_enb = 0;
register_enb_pending = eNB_app_register();
# else
msg_p = itti_alloc_new_message(TASK_ENB_APP, INITIALIZE_MESSAGE);
itti_send_msg_to_task(TASK_L2L1, INSTANCE_DEFAULT, msg_p);
# endif
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);
// Wait for a message
itti_receive_msg (TASK_ENB_APP, &msg_p);
if (message_p != NULL) {
switch (ITTI_MSG_ID(message_p)) {
msg_name = ITTI_MSG_NAME (msg_p);
instance = ITTI_MSG_INSTANCE (msg_p);
switch (ITTI_MSG_ID(msg_p)) {
case TERMINATE_MESSAGE:
itti_exit_task ();
break;
itti_exit_task ();
break;
case MESSAGE_TEST:
LOG_D(EMU, "Received %s\n", ITTI_MSG_NAME(message_p));
break;
LOG_I(EMU, "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);
DevAssert(register_enb_pending > 0);
register_enb_pending--;
/* Check if at least eNB is registered with one MME */
if (S1AP_REGISTER_ENB_CNF(msg_p).nb_mme > 0) {
registered_enb ++;
}
/* Check if all register eNB requests have been processed */
if (register_enb_pending == 0) {
if (registered_enb == oai_emulation.info.nb_enb_local) {
/* If all eNB are registered, start L2L1 task */
MessageDef *msg_init_p;
msg_init_p = itti_alloc_new_message (TASK_ENB_APP, INITIALIZE_MESSAGE);
itti_send_msg_to_task (TASK_L2L1, INSTANCE_DEFAULT, msg_init_p);
}
else {
uint32_t not_associated = oai_emulation.info.nb_enb_local - registered_enb;
LOG_W(EMU, " %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");
}
}
}
break;
case TIMER_HAS_EXPIRED:
LOG_I(EMU, " 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) {
/* Restart the registration process */
registered_enb = 0;
register_enb_pending = eNB_app_register();
}
break;
# endif
/* case MME_REGISTERED:
LOG_D(EMU, "Received %s\n", ITTI_MSG_NAME(message_p));
itti_mark_task_ready (TASK_L2L1);
break;
*/
default:
LOG_E(EMU, "Received unexpected message %s\n", ITTI_MSG_NAME(message_p));
break;
}
free (message_p);
LOG_E(EMU, "Received unexpected message %s\n", msg_name);
break;
}
} while(1);
itti_terminate_tasks(TASK_ENB_APP);
free (msg_p);
} while(1);
#endif
return NULL;
@@ -503,10 +580,18 @@ void *l2l1_task(void *args_p) {
char fname[64], vname[64];
#if defined(ENABLE_ITTI)
MessageDef *message_p;
MessageDef *message_p = NULL;
itti_mark_task_ready (TASK_L2L1);
/* 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);
#endif
for (frame = 0; frame < oai_emulation.info.n_frames; frame++) {
targets/SIMU/USER/oaisim.h
+1 -1
View File
@@ -42,9 +42,9 @@ void calc_path_loss(node_desc_t* node_tx, node_desc_t* node_rx, channel_desc_t *
void do_OFDM_mod(mod_sym_t **txdataF, s32 **txdata, uint32_t frame, u16 next_slot, LTE_DL_FRAME_PARMS *frame_parms);
void *eNB_app_task(void *args_p);
#ifdef ENABLE_ITTI
int itti_create_task_successful(void);
void *eNB_app_task(void *args_p);
void *l2l1_task(void *args_p);
#endif
#ifdef OPENAIR2