Lionel Gauthier
b3829736e3
git-svn-id: http://svn.eurecom.fr/openair4G/trunk@5282 818b1a75-f10b-46b9-bf7c-635c3b92a50f
204 lines
7.2 KiB
C
204 lines
7.2 KiB
C
/*******************************************************************************
|
|
|
|
Eurecom OpenAirInterface
|
|
Copyright(c) 1999 - 2013 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.fr/openairinterface
|
|
Address : EURECOM, Campus SophiaTech, 450 Route des Chappes
|
|
06410 Biot FRANCE
|
|
|
|
*******************************************************************************/
|
|
|
|
#include <pthread.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <stdint.h>
|
|
#include <string.h>
|
|
|
|
#include "intertask_interface.h"
|
|
#include "mme_config.h"
|
|
|
|
#include "nas_defs.h"
|
|
|
|
#if !defined(DISABLE_USE_NAS)
|
|
# include "nas_network.h"
|
|
# include "nas_proc.h"
|
|
# include "emm_main.h"
|
|
# include "nas_log.h"
|
|
# include "nas_timer.h"
|
|
#endif
|
|
|
|
#define NAS_ERROR(x, args...) do { fprintf(stderr, "[NAS] [E]"x, ##args); } while(0)
|
|
#define NAS_DEBUG(x, args...) do { fprintf(stdout, "[NAS] [D]"x, ##args); } while(0)
|
|
#define NAS_WARN(x, args...) do { fprintf(stdout, "[NAS] [W]"x, ##args); } while(0)
|
|
|
|
static void *nas_intertask_interface(void *args_p)
|
|
{
|
|
itti_mark_task_ready(TASK_NAS_MME);
|
|
|
|
while(1) {
|
|
MessageDef *received_message_p;
|
|
|
|
next_message:
|
|
itti_receive_msg(TASK_NAS_MME, &received_message_p);
|
|
|
|
switch (ITTI_MSG_ID(received_message_p))
|
|
{
|
|
case NAS_CONNECTION_ESTABLISHMENT_IND: {
|
|
#if defined(DISABLE_USE_NAS)
|
|
MessageDef *message_p;
|
|
nas_attach_req_t *nas_req_p;
|
|
s1ap_initial_ue_message_t *transparent;
|
|
|
|
NAS_DEBUG("NAS abstraction: Generating NAS ATTACH REQ\n");
|
|
|
|
message_p = itti_alloc_new_message(TASK_NAS_MME, NAS_ATTACH_REQ);
|
|
|
|
nas_req_p = &message_p->ittiMsg.nas_attach_req;
|
|
transparent = &message_p->ittiMsg.nas_attach_req.transparent;
|
|
|
|
nas_req_p->initial = INITIAL_REQUEST;
|
|
sprintf(nas_req_p->imsi, "%14llu", 20834123456789ULL);
|
|
|
|
memcpy(transparent, &received_message_p->ittiMsg.nas_conn_est_ind.transparent,
|
|
sizeof(s1ap_initial_ue_message_t));
|
|
|
|
itti_send_msg_to_task(TASK_MME_APP, INSTANCE_DEFAULT, message_p);
|
|
#else
|
|
nas_establish_ind_t *nas_est_ind_p;
|
|
|
|
nas_est_ind_p = &received_message_p->ittiMsg.nas_conn_est_ind.nas;
|
|
|
|
nas_proc_establish_ind(nas_est_ind_p->UEid,
|
|
nas_est_ind_p->tac,
|
|
nas_est_ind_p->initialNasMsg.data,
|
|
nas_est_ind_p->initialNasMsg.length);
|
|
#endif
|
|
} break;
|
|
|
|
#if defined(DISABLE_USE_NAS)
|
|
case NAS_ATTACH_ACCEPT: {
|
|
itti_send_msg_to_task(TASK_S1AP, INSTANCE_DEFAULT, received_message_p);
|
|
goto next_message;
|
|
} break;
|
|
|
|
case NAS_AUTHENTICATION_REQ: {
|
|
MessageDef *message_p;
|
|
nas_auth_resp_t *nas_resp_p;
|
|
|
|
NAS_DEBUG("NAS abstraction: Generating NAS AUTHENTICATION RESPONSE\n");
|
|
|
|
message_p = itti_alloc_new_message(TASK_NAS_MME, NAS_AUTHENTICATION_RESP);
|
|
|
|
nas_resp_p = &message_p->ittiMsg.nas_auth_resp;
|
|
|
|
memcpy(nas_resp_p->imsi, received_message_p->ittiMsg.nas_auth_req.imsi, 16);
|
|
|
|
itti_send_msg_to_task(TASK_MME_APP, INSTANCE_DEFAULT, message_p);
|
|
} break;
|
|
#else
|
|
case NAS_UPLINK_DATA_IND: {
|
|
nas_proc_ul_transfer_ind(NAS_UL_DATA_IND(received_message_p).UEid,
|
|
NAS_UL_DATA_IND(received_message_p).nasMsg.data,
|
|
NAS_UL_DATA_IND(received_message_p).nasMsg.length);
|
|
} break;
|
|
|
|
case NAS_DOWNLINK_DATA_CNF: {
|
|
// nas_proc_dl_transfer_cnf(NAS_DL_DATA_CNF(received_message_p).UEid);
|
|
} break;
|
|
|
|
case NAS_AUTHENTICATION_PARAM_RSP: {
|
|
nas_proc_auth_param_res(&NAS_AUTHENTICATION_PARAM_RSP(received_message_p));
|
|
} break;
|
|
|
|
case NAS_AUTHENTICATION_PARAM_FAIL: {
|
|
nas_proc_auth_param_fail(&NAS_AUTHENTICATION_PARAM_FAIL(received_message_p));
|
|
} break;
|
|
#endif
|
|
case NAS_PDN_CONNECTIVITY_RSP: {
|
|
nas_proc_pdn_connectivity_res(&NAS_PDN_CONNECTIVITY_RSP(received_message_p));
|
|
} break;
|
|
|
|
case NAS_PDN_CONNECTIVITY_FAIL: {
|
|
nas_proc_pdn_connectivity_fail(&NAS_PDN_CONNECTIVITY_FAIL(received_message_p));
|
|
} break;
|
|
|
|
|
|
case TIMER_HAS_EXPIRED: {
|
|
#if !defined(DISABLE_USE_NAS)
|
|
/* Call the NAS timer api */
|
|
nas_timer_handle_signal_expiry(TIMER_HAS_EXPIRED(received_message_p).timer_id,
|
|
TIMER_HAS_EXPIRED(received_message_p).arg);
|
|
#endif
|
|
} break;
|
|
|
|
case S1AP_ENB_DEREGISTERED_IND: {
|
|
#if !defined(DISABLE_USE_NAS)
|
|
int i;
|
|
for (i = 0; i < S1AP_ENB_DEREGISTERED_IND(received_message_p).nb_ue_to_deregister; i ++) {
|
|
nas_proc_deregister_ue(S1AP_ENB_DEREGISTERED_IND(received_message_p).mme_ue_s1ap_id[i]);
|
|
}
|
|
#endif
|
|
} break;
|
|
|
|
case S1AP_DEREGISTER_UE_REQ: {
|
|
#if !defined(DISABLE_USE_NAS)
|
|
nas_proc_deregister_ue(S1AP_DEREGISTER_UE_REQ(received_message_p).mme_ue_s1ap_id);
|
|
#endif
|
|
} break;
|
|
|
|
case TERMINATE_MESSAGE: {
|
|
itti_exit_task();
|
|
} break;
|
|
|
|
default: {
|
|
NAS_DEBUG("Unkwnon message ID %d:%s from %s\n",
|
|
ITTI_MSG_ID(received_message_p),
|
|
ITTI_MSG_NAME(received_message_p),
|
|
ITTI_MSG_ORIGIN_NAME(received_message_p));
|
|
} break;
|
|
}
|
|
itti_free(ITTI_MSG_ORIGIN_ID(received_message_p), received_message_p);
|
|
received_message_p = NULL;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
int nas_init(mme_config_t *mme_config_p)
|
|
{
|
|
NAS_DEBUG("Initializing NAS task interface\n");
|
|
|
|
#if !defined(DISABLE_USE_NAS)
|
|
nas_log_init(0x3F);
|
|
nas_network_initialize(mme_config_p);
|
|
#endif
|
|
|
|
if (itti_create_task(TASK_NAS_MME, &nas_intertask_interface,
|
|
NULL) < 0) {
|
|
NAS_ERROR("Create task failed");
|
|
NAS_DEBUG("Initializing NAS task interface: FAILED\n");
|
|
return -1;
|
|
}
|
|
NAS_DEBUG("Initializing NAS task interface: DONE\n");
|
|
return 0;
|
|
}
|