Raymond Knopp
74a53a0f12
git-svn-id: http://svn.eurecom.fr/openair4G/trunk@7382 818b1a75-f10b-46b9-bf7c-635c3b92a50f
295 lines
11 KiB
C
295 lines
11 KiB
C
/*******************************************************************************
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OpenAirInterface
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Copyright(c) 1999 - 2014 Eurecom
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OpenAirInterface is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OpenAirInterface is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with OpenAirInterface.The full GNU General Public License is
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included in this distribution in the file called "COPYING". If not,
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see <http://www.gnu.org/licenses/>.
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Contact Information
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OpenAirInterface Admin: openair_admin@eurecom.fr
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OpenAirInterface Tech : openair_tech@eurecom.fr
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OpenAirInterface Dev : openair4g-devel@eurecom.fr
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Address : Eurecom, Compus SophiaTech 450, route des chappes, 06451 Biot, France.
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*******************************************************************************/
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#include <string.h>
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#include "intertask_interface.h"
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#include "nas_itti_messaging.h"
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#include "msc.h"
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#if ((defined(NAS_BUILT_IN_EPC) && defined(NAS_MME)) || (defined(NAS_BUILT_IN_UE) && defined(NAS_UE)))
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# if (defined(NAS_BUILT_IN_EPC) && defined(NAS_MME))
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# define TASK_ORIGIN TASK_NAS_MME
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# else
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# define TASK_ORIGIN TASK_NAS_UE
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# endif
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#endif
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#if ((defined(NAS_BUILT_IN_EPC) && defined(NAS_MME)) || (defined(ENABLE_NAS_UE_LOGGING) && defined(NAS_BUILT_IN_UE) && defined(NAS_UE)))
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static const UInt8_t emm_message_ids[] = {
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ATTACH_REQUEST,
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ATTACH_ACCEPT,
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ATTACH_COMPLETE,
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ATTACH_REJECT,
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DETACH_REQUEST,
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DETACH_ACCEPT,
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TRACKING_AREA_UPDATE_REQUEST,
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TRACKING_AREA_UPDATE_ACCEPT,
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TRACKING_AREA_UPDATE_COMPLETE,
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TRACKING_AREA_UPDATE_REJECT,
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EXTENDED_SERVICE_REQUEST,
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SERVICE_REQUEST,
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SERVICE_REJECT,
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GUTI_REALLOCATION_COMMAND,
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GUTI_REALLOCATION_COMPLETE,
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AUTHENTICATION_REQUEST,
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AUTHENTICATION_RESPONSE,
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AUTHENTICATION_REJECT,
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AUTHENTICATION_FAILURE,
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IDENTITY_REQUEST,
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IDENTITY_RESPONSE,
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SECURITY_MODE_COMMAND,
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SECURITY_MODE_COMPLETE,
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SECURITY_MODE_REJECT,
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EMM_STATUS,
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EMM_INFORMATION,
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DOWNLINK_NAS_TRANSPORT,
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UPLINK_NAS_TRANSPORT,
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CS_SERVICE_NOTIFICATION,
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};
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static const UInt8_t esm_message_ids[] = {
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ACTIVATE_DEFAULT_EPS_BEARER_CONTEXT_REQUEST,
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ACTIVATE_DEFAULT_EPS_BEARER_CONTEXT_ACCEPT,
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ACTIVATE_DEFAULT_EPS_BEARER_CONTEXT_REJECT,
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ACTIVATE_DEDICATED_EPS_BEARER_CONTEXT_REQUEST,
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ACTIVATE_DEDICATED_EPS_BEARER_CONTEXT_ACCEPT,
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ACTIVATE_DEDICATED_EPS_BEARER_CONTEXT_REJECT,
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MODIFY_EPS_BEARER_CONTEXT_REQUEST,
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MODIFY_EPS_BEARER_CONTEXT_ACCEPT,
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MODIFY_EPS_BEARER_CONTEXT_REJECT,
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DEACTIVATE_EPS_BEARER_CONTEXT_REQUEST,
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DEACTIVATE_EPS_BEARER_CONTEXT_ACCEPT,
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PDN_CONNECTIVITY_REQUEST,
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PDN_CONNECTIVITY_REJECT,
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PDN_DISCONNECT_REQUEST,
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PDN_DISCONNECT_REJECT,
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BEARER_RESOURCE_ALLOCATION_REQUEST,
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BEARER_RESOURCE_ALLOCATION_REJECT,
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BEARER_RESOURCE_MODIFICATION_REQUEST,
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BEARER_RESOURCE_MODIFICATION_REJECT,
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ESM_INFORMATION_REQUEST,
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ESM_INFORMATION_RESPONSE,
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ESM_STATUS,
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};
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static int _nas_find_message_index(const UInt8_t message_id, const UInt8_t *message_ids, const int ids_number)
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{
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int i;
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for(i = 0; i < ids_number; i ++) {
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if (message_id == message_ids[i]) {
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return (2 + i);
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}
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}
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return (1);
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}
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int nas_itti_plain_msg(const char *buffer, const nas_message_t *msg, const int length, const int down_link)
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{
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MessageDef *message_p;
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int data_length = length < NAS_DATA_LENGHT_MAX ? length : NAS_DATA_LENGHT_MAX;
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int message_type = -1;
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MessagesIds messageId_raw = -1;
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MessagesIds messageId_plain = -1;
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/* Define message ids */
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if (msg->header.protocol_discriminator == EPS_MOBILITY_MANAGEMENT_MESSAGE) {
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message_type = 0;
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messageId_raw = down_link ? NAS_DL_EMM_RAW_MSG : NAS_UL_EMM_RAW_MSG;
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messageId_plain = down_link ? NAS_DL_EMM_PLAIN_MSG : NAS_UL_EMM_PLAIN_MSG;
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} else {
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if (msg->header.protocol_discriminator == EPS_SESSION_MANAGEMENT_MESSAGE) {
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message_type = 1;
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messageId_raw = down_link ? NAS_DL_ESM_RAW_MSG : NAS_UL_ESM_RAW_MSG;
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messageId_plain = down_link ? NAS_DL_ESM_PLAIN_MSG : NAS_UL_ESM_PLAIN_MSG;
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}
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}
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if (message_type >= 0) {
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/* Create and send the RAW message */
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message_p = itti_alloc_new_message(TASK_ORIGIN, messageId_raw);
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NAS_DL_EMM_RAW_MSG(message_p).lenght = length;
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memset ((void *) &(NAS_DL_EMM_RAW_MSG(message_p).data), 0, NAS_DATA_LENGHT_MAX);
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memcpy ((void *) &(NAS_DL_EMM_RAW_MSG(message_p).data), buffer, data_length);
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itti_send_msg_to_task(TASK_UNKNOWN, INSTANCE_DEFAULT, message_p);
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/* Create and send the plain message */
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if (message_type == 0) {
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message_p = itti_alloc_new_message(TASK_ORIGIN, messageId_plain);
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NAS_DL_EMM_PLAIN_MSG(message_p).present = _nas_find_message_index(msg->plain.emm.header.message_type, emm_message_ids, sizeof(emm_message_ids) / sizeof(emm_message_ids[0]));
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memcpy ((void *) &(NAS_DL_EMM_PLAIN_MSG(message_p).choice), &msg->plain.emm, sizeof (EMM_msg));
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} else {
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message_p = itti_alloc_new_message(TASK_ORIGIN, messageId_plain);
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NAS_DL_ESM_PLAIN_MSG(message_p).present = _nas_find_message_index(msg->plain.esm.header.message_type, esm_message_ids, sizeof(esm_message_ids) / sizeof(esm_message_ids[0]));
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memcpy ((void *) &(NAS_DL_ESM_PLAIN_MSG(message_p).choice), &msg->plain.esm, sizeof (ESM_msg));
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}
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return itti_send_msg_to_task(TASK_UNKNOWN, INSTANCE_DEFAULT, message_p);
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}
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return EXIT_FAILURE;
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}
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int nas_itti_protected_msg(const char *buffer, const nas_message_t *msg, const int length, const int down_link)
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{
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MessageDef *message_p = NULL;
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if (msg->header.protocol_discriminator == EPS_MOBILITY_MANAGEMENT_MESSAGE) {
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message_p = itti_alloc_new_message(TASK_ORIGIN, down_link ? NAS_DL_EMM_PROTECTED_MSG : NAS_UL_EMM_PROTECTED_MSG);
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memcpy ((void *) &(NAS_DL_EMM_PROTECTED_MSG(message_p).header), &msg->header, sizeof (nas_message_security_header_t));
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NAS_DL_EMM_PROTECTED_MSG(message_p).present = _nas_find_message_index(msg->security_protected.plain.emm.header.message_type, emm_message_ids, sizeof(emm_message_ids) / sizeof(emm_message_ids[0]));
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memcpy ((void *) &(NAS_DL_EMM_PROTECTED_MSG(message_p).choice), &msg->security_protected.plain.emm, sizeof (EMM_msg));
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} else {
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if (msg->header.protocol_discriminator == EPS_SESSION_MANAGEMENT_MESSAGE) {
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message_p = itti_alloc_new_message(TASK_ORIGIN, down_link ? NAS_DL_ESM_PROTECTED_MSG : NAS_UL_ESM_PROTECTED_MSG);
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memcpy ((void *) &(NAS_DL_ESM_PROTECTED_MSG(message_p).header), &msg->header, sizeof (nas_message_security_header_t));
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NAS_DL_ESM_PROTECTED_MSG(message_p).present = _nas_find_message_index(msg->security_protected.plain.esm.header.message_type, esm_message_ids, sizeof(esm_message_ids) / sizeof(esm_message_ids[0]));
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memcpy ((void *) &(NAS_DL_ESM_PROTECTED_MSG(message_p).choice), &msg->security_protected.plain.esm, sizeof (ESM_msg));
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}
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}
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if (message_p != NULL) {
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return itti_send_msg_to_task(TASK_UNKNOWN, INSTANCE_DEFAULT, message_p);
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}
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return EXIT_FAILURE;
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}
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#endif
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#if defined(NAS_BUILT_IN_EPC) && defined(NAS_MME)
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int nas_itti_dl_data_req(const uint32_t ue_id, void *const data,
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const uint32_t length)
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{
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MessageDef *message_p;
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message_p = itti_alloc_new_message(TASK_NAS_MME, NAS_DOWNLINK_DATA_REQ);
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NAS_DL_DATA_REQ(message_p).UEid = ue_id;
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NAS_DL_DATA_REQ(message_p).nasMsg.data = data;
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NAS_DL_DATA_REQ(message_p).nasMsg.length = length;
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MSC_LOG_TX_MESSAGE(
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MSC_NAS_MME,
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MSC_S1AP_MME,
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NULL,0,
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"0 NAS_DOWNLINK_DATA_REQ ue id %06"PRIX32" len %u", ue_id, length);
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return itti_send_msg_to_task(TASK_S1AP, INSTANCE_DEFAULT, message_p);
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}
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#endif
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#if defined(NAS_BUILT_IN_UE) && defined(NAS_UE)
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extern unsigned char NB_eNB_INST;
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int nas_itti_cell_info_req(const plmn_t plmnID, const Byte_t rat)
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{
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MessageDef *message_p;
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message_p = itti_alloc_new_message(TASK_NAS_UE, NAS_CELL_SELECTION_REQ);
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NAS_CELL_SELECTION_REQ(message_p).plmnID = plmnID;
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NAS_CELL_SELECTION_REQ(message_p).rat = rat;
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MSC_LOG_TX_MESSAGE(
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MSC_NAS_UE,
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MSC_RRC_UE,
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NULL,0,
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"0 NAS_CELL_SELECTION_REQ PLMN %X%X%X.%X%X%X",
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plmnID.MCCdigit1, plmnID.MCCdigit2, plmnID.MCCdigit3,
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plmnID.MNCdigit1, plmnID.MNCdigit2, plmnID.MNCdigit3);
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return itti_send_msg_to_task(TASK_RRC_UE, NB_eNB_INST + 0 /* TODO to be virtualized */, message_p);
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}
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int nas_itti_nas_establish_req(as_cause_t cause, as_call_type_t type, as_stmsi_t s_tmsi, plmn_t plmnID, Byte_t *data, UInt32_t length)
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{
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MessageDef *message_p;
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message_p = itti_alloc_new_message(TASK_NAS_UE, NAS_CONN_ESTABLI_REQ);
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NAS_CONN_ESTABLI_REQ(message_p).cause = cause;
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NAS_CONN_ESTABLI_REQ(message_p).type = type;
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NAS_CONN_ESTABLI_REQ(message_p).s_tmsi = s_tmsi;
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NAS_CONN_ESTABLI_REQ(message_p).plmnID = plmnID;
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NAS_CONN_ESTABLI_REQ(message_p).initialNasMsg.data = data;
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NAS_CONN_ESTABLI_REQ(message_p).initialNasMsg.length = length;
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MSC_LOG_TX_MESSAGE(
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MSC_NAS_UE,
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MSC_RRC_UE,
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NULL,0,
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"0 NAS_CONN_ESTABLI_REQ MME code %u m-TMSI %u PLMN %X%X%X.%X%X%X",
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s_tmsi.MMEcode, s_tmsi.m_tmsi,
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plmnID.MCCdigit1, plmnID.MCCdigit2, plmnID.MCCdigit3,
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plmnID.MNCdigit1, plmnID.MNCdigit2, plmnID.MNCdigit3);
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return itti_send_msg_to_task(TASK_RRC_UE, NB_eNB_INST + 0 /* TODO to be virtualized */, message_p);
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}
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int nas_itti_ul_data_req(const uint32_t ue_id, void *const data, const uint32_t length)
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{
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MessageDef *message_p;
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message_p = itti_alloc_new_message(TASK_NAS_UE, NAS_UPLINK_DATA_REQ);
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NAS_UPLINK_DATA_REQ(message_p).UEid = ue_id;
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NAS_UPLINK_DATA_REQ(message_p).nasMsg.data = data;
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NAS_UPLINK_DATA_REQ(message_p).nasMsg.length = length;
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return itti_send_msg_to_task(TASK_RRC_UE, NB_eNB_INST + 0 /* TODO to be virtualized */, message_p);
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}
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int nas_itti_rab_establish_rsp(const as_stmsi_t s_tmsi, const as_rab_id_t rabID, const nas_error_code_t errCode)
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{
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MessageDef *message_p;
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message_p = itti_alloc_new_message(TASK_NAS_UE, NAS_RAB_ESTABLI_RSP);
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NAS_RAB_ESTABLI_RSP(message_p).s_tmsi = s_tmsi;
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NAS_RAB_ESTABLI_RSP(message_p).rabID = rabID;
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NAS_RAB_ESTABLI_RSP(message_p).errCode = errCode;
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MSC_LOG_TX_MESSAGE(
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MSC_NAS_UE,
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MSC_RRC_UE,
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NULL,0,
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"0 NAS_RAB_ESTABLI_RSP MME code %u m-TMSI %u rb id %u status %u",
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s_tmsi.MMEcode, s_tmsi.m_tmsi,rabID, errCode );
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return itti_send_msg_to_task(TASK_RRC_UE, NB_eNB_INST + 0 /* TODO to be virtualized */, message_p);
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}
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#endif
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