Cedric Roux
117f955ddf
- Trigger a dummy initial ue message when receiving s1 setup response - Added new S1AP <-> RRC messages - Fixed almost all S1AP messages to integrate ITTI git-svn-id: http://svn.eurecom.fr/openair4G/trunk@4347 818b1a75-f10b-46b9-bf7c-635c3b92a50f
203 lines
6.4 KiB
C
203 lines
6.4 KiB
C
/*******************************************************************************
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Eurecom OpenAirInterface
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Copyright(c) 1999 - 2013 Eurecom
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This program is free software; you can redistribute it and/or modify it
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under the terms and conditions of the GNU General Public License,
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version 2, as published by the Free Software Foundation.
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This program is distributed in the hope it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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more details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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The full GNU General Public License is included in this distribution in
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the file called "COPYING".
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Contact Information
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Openair Admin: openair_admin@eurecom.fr
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Openair Tech : openair_tech@eurecom.fr
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Forums : http://forums.eurecom.fr/openairinterface
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Address : EURECOM, Campus SophiaTech, 450 Route des Chappes
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06410 Biot FRANCE
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*******************************************************************************/
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include "intertask_interface.h"
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#include "assertions.h"
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#include "conversions.h"
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#include "s1ap_common.h"
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#include "s1ap_eNB_defs.h"
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#include "s1ap_eNB.h"
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s1ap_eNB_internal_data_t s1ap_eNB_internal_data;
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static int s1ap_eNB_generate_s1_setup_request(
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s1ap_eNB_instance_t *instance_p, s1ap_eNB_mme_data_t *s1ap_mme_data_p);
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RB_GENERATE(s1ap_mme_map, s1ap_eNB_mme_data_s, entry, s1ap_eNB_compare_assoc_id);
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inline int s1ap_eNB_compare_assoc_id(
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struct s1ap_eNB_mme_data_s *p1, struct s1ap_eNB_mme_data_s *p2)
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{
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if (p1->assoc_id == -1) {
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if (p1->cnx_id < p2->cnx_id) {
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return -1;
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}
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if (p1->cnx_id > p2->cnx_id) {
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return 1;
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}
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} else {
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if (p1->assoc_id < p2->assoc_id) {
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return -1;
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}
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if (p1->assoc_id > p2->assoc_id) {
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return 1;
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}
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}
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/* Matching reference */
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return 0;
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}
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uint16_t s1ap_eNB_fetch_add_global_cnx_id(void)
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{
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return ++s1ap_eNB_internal_data.global_cnx_id;
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}
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void s1ap_eNB_prepare_internal_data(void)
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{
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memset(&s1ap_eNB_internal_data, 0, sizeof(s1ap_eNB_internal_data));
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STAILQ_INIT(&s1ap_eNB_internal_data.s1ap_eNB_instances_head);
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}
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void s1ap_eNB_insert_new_instance(s1ap_eNB_instance_t *new_instance_p)
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{
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DevAssert(new_instance_p != NULL);
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STAILQ_INSERT_TAIL(&s1ap_eNB_internal_data.s1ap_eNB_instances_head,
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new_instance_p, s1ap_eNB_entries);
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}
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inline struct s1ap_eNB_mme_data_s *s1ap_eNB_get_MME(
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s1ap_eNB_instance_t *instance_p,
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int32_t assoc_id, uint16_t cnx_id)
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{
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struct s1ap_eNB_mme_data_s temp;
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struct s1ap_eNB_mme_data_s *found;
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memset(&temp, 0, sizeof(struct s1ap_eNB_mme_data_s));
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temp.assoc_id = assoc_id;
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temp.cnx_id = cnx_id;
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if (instance_p == NULL) {
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STAILQ_FOREACH(instance_p, &s1ap_eNB_internal_data.s1ap_eNB_instances_head,
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s1ap_eNB_entries)
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{
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found = RB_FIND(s1ap_mme_map, &instance_p->s1ap_mme_head, &temp);
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if (found != NULL) {
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return found;
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}
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}
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} else {
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return RB_FIND(s1ap_mme_map, &instance_p->s1ap_mme_head, &temp);
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}
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return NULL;
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}
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s1ap_eNB_instance_t *s1ap_eNB_get_instance(uint8_t mod_id)
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{
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s1ap_eNB_instance_t *temp = NULL;
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STAILQ_FOREACH(temp, &s1ap_eNB_internal_data.s1ap_eNB_instances_head,
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s1ap_eNB_entries)
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{
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if (temp->mod_id == mod_id) {
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/* Matching occurence */
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return temp;
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}
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}
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return NULL;
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}
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// int s1ap_eNB_ue_capabilities(eNB_mme_desc_t *eNB_desc_p,
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// s1ap_ue_cap_info_ind_t *ue_cap_info_ind_p)
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// {
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// struct s1ap_eNB_ue_context_s *ue_context_p;
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// UECapabilityInfoIndicationIEs_t *ue_cap_info_ind_ies_p;
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//
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// s1ap_message message;
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//
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// uint8_t *buffer;
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// uint32_t length;
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// int ret = -1;
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//
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// DevAssert(ue_cap_info_ind_p != NULL);
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// DevAssert(eNB_desc_p != NULL);
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//
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// if ((ue_context_p = s1ap_eNB_get_ue_context(eNB_desc_p, ue_cap_info_ind_p->eNB_ue_s1ap_id)) == NULL)
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// {
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// /* The context for this eNB ue s1ap id doesn't exist in the map of eNB UEs */
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// S1AP_WARN("Failed to find ue context associated with eNB ue s1ap id: %u\n",
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// ue_cap_info_ind_p->eNB_ue_s1ap_id);
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// return -1;
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// }
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//
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// /* UE capabilities message can occur either during an s1ap connected state
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// * or during initial attach (for example: NAS authentication).
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// */
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// if (!(ue_context_p->ue_state == S1AP_UE_CONNECTED ||
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// ue_context_p->ue_state == S1AP_UE_WAITING_CSR))
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// {
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// S1AP_WARN("You are attempting to send NAS data over non-connected "
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// "eNB ue s1ap id: %u, current state: %d\n",
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// ue_cap_info_ind_p->eNB_ue_s1ap_id, ue_context_p->ue_state);
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// return -1;
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// }
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//
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// /* Prepare the S1AP message to encode */
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// memset(&message, 0, sizeof(s1ap_message));
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//
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// message.direction = S1AP_PDU_PR_initiatingMessage;
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// message.procedureCode = ProcedureCode_id_UECapabilityInfoIndication;
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//
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// ue_cap_info_ind_ies_p = &message.msg.ueCapabilityInfoIndicationIEs;
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//
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// ue_cap_info_ind_ies_p->ueRadioCapability.buf = ue_cap_info_ind_p->ue_radio_cap.buffer;
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// ue_cap_info_ind_ies_p->ueRadioCapability.size = ue_cap_info_ind_p->ue_radio_cap.length;
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//
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// ue_cap_info_ind_ies_p->eNB_UE_S1AP_ID = ue_cap_info_ind_p->eNB_ue_s1ap_id;
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// ue_cap_info_ind_ies_p->mme_ue_s1ap_id = ue_context_p->mme_ue_s1ap_id;
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//
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// if (s1ap_eNB_encode_pdu(&message, &buffer, &length) < 0) {
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// /* Encode procedure has failed... */
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// S1AP_ERROR("Failed to encode UE capabilities indication\n");
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// return -1;
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// }
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//
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// /* UE associated signalling -> use the allocated stream */
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// if ((ret = sctp_send_msg(&ue_context_p->mme_ref->sctp_data, S1AP_SCTP_PPID,
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// ue_context_p->stream, buffer, length)) < 0)
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// {
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// S1AP_ERROR("[SCTP %d] Failed to send message over SCTP: %d\n",
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// ue_context_p->mme_ref->sctp_data.assoc_id, ret);
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// }
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//
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// free(buffer);
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// return ret;
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// }
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