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Commit 89df5c91 authored by winckel's avatar winckel
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Modified eNB app to be compatible with lte-softmodem build. 

git-svn-id: http://svn.eurecom.fr/openair4G/trunk@4581 818b1a75-f10b-46b9-bf7c-635c3b92a50f
parent 68909776
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Showing with 174 additions and 139 deletions
openair2/ENB_APP/enb_app.c
View file @ 89df5c91
......@@ -26,7 +26,7 @@
Address : EURECOM, Campus SophiaTech, 450 Route des Chappes
06410 Biot FRANCE
*******************************************************************************/
*******************************************************************************/
#include <string.h>
......@@ -51,22 +51,40 @@
#if defined(ENABLE_ITTI)
# if defined(ENABLE_USE_MME)
/*------------------------------------------------------------------------------*/
#define ENB_REGISTER_RETRY_DELAY 10
/*------------------------------------------------------------------------------*/
static uint32_t enb_nb = 1;
/*------------------------------------------------------------------------------*/
static uint32_t eNB_app_register()
{
uint32_t eNB_id_start = 0;
uint32_t eNB_id_end = 1;
uint32_t eNB_id;
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++) {
# if defined(OAI_EMU)
eNB_id_start = oai_emulation.info.first_enb_local;
eNB_id_end = oai_emulation.info.first_enb_local + oai_emulation.info.nb_enb_local;
# endif
for (eNB_id = eNB_id_start; (eNB_id < eNB_id_end)
# if defined(OAI_EMU)
&& (oai_emulation.info.cli_start_enb[eNB_id] == 1)
# endif
; eNB_id++)
{
char *mme_address_v4;
if (EPC_MODE_ENABLED){
if (EPC_MODE_ENABLED)
{
mme_address_v4 = EPC_MODE_MME_ADDRESS;
} else {
}
else
{
mme_address_v4 = "192.168.12.87";
}
char *mme_address_v6 = "2001:660:5502:12:30da:829a:2343:b6cf";
......@@ -74,11 +92,11 @@ static uint32_t eNB_app_register()
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);
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();
hash = s1ap_generate_eNB_id ();
/* Some default/random parameters */
s1ap_register_eNB->eNB_id = eNB_id + (hash & 0xFFFF8);
......@@ -91,8 +109,8 @@ 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));
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;
......@@ -103,9 +121,9 @@ static uint32_t eNB_app_register()
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);
itti_send_msg_to_task (TASK_S1AP, eNB_id, msg_p);
register_enb_pending ++;
register_enb_pending++;
}
return register_enb_pending;
......@@ -113,7 +131,9 @@ static uint32_t eNB_app_register()
# endif
#endif
void *eNB_app_task(void *args_p) {
/*------------------------------------------------------------------------------*/
void *eNB_app_task(void *args_p)
{
#if defined(ENABLE_ITTI)
# if defined(ENABLE_USE_MME)
static uint32_t register_enb_pending;
......@@ -125,23 +145,30 @@ void *eNB_app_task(void *args_p) {
instance_t instance;
itti_mark_task_ready (TASK_ENB_APP);
# if defined(OAI_EMU)
enb_nb = oai_emulation.info.nb_enb_local;
# endif
# if defined(ENABLE_USE_MME)
/* Try to register each eNB */
registered_enb = 0;
register_enb_pending = eNB_app_register();
register_enb_pending = eNB_app_register ();
# else
/* Start L2L1 task */
msg_p = itti_alloc_new_message(TASK_ENB_APP, INITIALIZE_MESSAGE);
itti_send_msg_to_task(TASK_L2L1, INSTANCE_DEFAULT, msg_p);
# endif
do {
do
{
// Wait for a message
itti_receive_msg (TASK_ENB_APP, &msg_p);
msg_name = ITTI_MSG_NAME (msg_p);
instance = ITTI_MSG_INSTANCE (msg_p);
switch (ITTI_MSG_ID(msg_p)) {
switch (ITTI_MSG_ID(msg_p))
{
case TERMINATE_MESSAGE:
itti_exit_task ();
break;
......@@ -152,33 +179,40 @@ void *eNB_app_task(void *args_p) {
# 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(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 ++;
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 (register_enb_pending == 0)
{
if (registered_enb == enb_nb)
{
/* 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;
else
{
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",
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) {
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");
}
}
......@@ -188,10 +222,11 @@ void *eNB_app_task(void *args_p) {
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) {
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();
register_enb_pending = eNB_app_register ();
}
break;
# endif
......@@ -202,7 +237,7 @@ void *eNB_app_task(void *args_p) {
}
free (msg_p);
} while(1);
} while (1);
#endif
return NULL;
......
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