117 lines
3.9 KiB
C
117 lines
3.9 KiB
C
/*
|
|
* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
|
|
* contributor license agreements. See the NOTICE file distributed with
|
|
* this work for additional information regarding copyright ownership.
|
|
* The OpenAirInterface Software Alliance licenses this file to You under
|
|
* the OAI Public License, Version 1.1 (the "License"); you may not use this file
|
|
* except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.openairinterface.org/?page_id=698
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*-------------------------------------------------------------------------------
|
|
* For more information about the OpenAirInterface (OAI) Software Alliance:
|
|
* contact@openairinterface.org
|
|
*/
|
|
|
|
/*! \file rrc_eNB_GTPV1U.c
|
|
* \brief rrc GTPV1U procedures for eNB
|
|
* \author Lionel GAUTHIER
|
|
* \version 1.0
|
|
* \company Eurecom
|
|
* \email: lionel.gauthier@eurecom.fr
|
|
*/
|
|
|
|
# include "rrc_defs.h"
|
|
# include "rrc_extern.h"
|
|
# include "RRC/LTE/MESSAGES/asn1_msg.h"
|
|
# include "rrc_eNB_GTPV1U.h"
|
|
# include "rrc_eNB_UE_context.h"
|
|
|
|
|
|
#include "oai_asn1.h"
|
|
#include "intertask_interface.h"
|
|
#include "pdcp.h"
|
|
|
|
|
|
# include "common/ran_context.h"
|
|
#include <openair3/ocp-gtpu/gtp_itf.h>
|
|
|
|
extern RAN_CONTEXT_t RC;
|
|
|
|
int
|
|
rrc_eNB_process_GTPV1U_CREATE_TUNNEL_RESP(
|
|
const protocol_ctxt_t *const ctxt_pP,
|
|
const gtpv1u_enb_create_tunnel_resp_t *const create_tunnel_resp_pP,
|
|
uint8_t *inde_list
|
|
) {
|
|
rnti_t rnti;
|
|
int i;
|
|
struct rrc_eNB_ue_context_s *ue_context_p = NULL;
|
|
|
|
if (create_tunnel_resp_pP) {
|
|
LOG_D(RRC, PROTOCOL_RRC_CTXT_UE_FMT" RX CREATE_TUNNEL_RESP num tunnels %u \n",
|
|
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),
|
|
create_tunnel_resp_pP->num_tunnels);
|
|
rnti = create_tunnel_resp_pP->rnti;
|
|
ue_context_p = rrc_eNB_get_ue_context(RC.rrc[ctxt_pP->module_id], ctxt_pP->rntiMaybeUEid);
|
|
|
|
for (i = 0; i < create_tunnel_resp_pP->num_tunnels; i++) {
|
|
ue_context_p->ue_context.enb_gtp_teid[inde_list[i]] = create_tunnel_resp_pP->enb_S1u_teid[i];
|
|
ue_context_p->ue_context.enb_gtp_addrs[inde_list[i]] = create_tunnel_resp_pP->enb_addr;
|
|
ue_context_p->ue_context.enb_gtp_ebi[inde_list[i]] = create_tunnel_resp_pP->eps_bearer_id[i];
|
|
LOG_I(RRC, PROTOCOL_RRC_CTXT_UE_FMT" rrc_eNB_process_GTPV1U_CREATE_TUNNEL_RESP tunnel (%u, %u) bearer UE context index %u, msg index %u, id %u, gtp addr len %d \n",
|
|
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),
|
|
create_tunnel_resp_pP->enb_S1u_teid[i],
|
|
ue_context_p->ue_context.enb_gtp_teid[inde_list[i]],
|
|
inde_list[i],
|
|
i,
|
|
create_tunnel_resp_pP->eps_bearer_id[i],
|
|
create_tunnel_resp_pP->enb_addr.length);
|
|
}
|
|
|
|
(void)rnti; /* avoid gcc warning "set but not used" */
|
|
return 0;
|
|
} else {
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
void rrc_eNB_send_GTPV1U_ENB_DELETE_TUNNEL_REQ(
|
|
module_id_t enb_mod_idP,
|
|
rrc_eNB_ue_context_t* ue_context_pP
|
|
)
|
|
{
|
|
if (!ue_context_pP) {
|
|
LOG_W(RRC, "[eNB] In %s: invalid UE\n", __func__);
|
|
return;
|
|
}
|
|
eNB_RRC_UE_t *ue = &ue_context_pP->ue_context;
|
|
gtpv1u_enb_delete_tunnel_req_t tmp={0};
|
|
|
|
tmp.rnti = ue->rnti;
|
|
tmp.from_gnb = 0;
|
|
tmp.num_erab = ue->nb_of_e_rabs;
|
|
for (int e_rab = 0; e_rab < ue->nb_of_e_rabs; e_rab++) {
|
|
const rb_id_t gtp_ebi = ue->enb_gtp_ebi[e_rab];
|
|
tmp.eps_bearer_id[e_rab] = gtp_ebi;
|
|
}
|
|
gtpv1u_delete_s1u_tunnel(enb_mod_idP,&tmp);
|
|
if ( ue->ue_release_timer_rrc > 0
|
|
&& (ue->handover_info == NULL ||
|
|
(ue->handover_info->state != HO_RELEASE &&
|
|
ue->handover_info->state != HO_CANCEL
|
|
)
|
|
)
|
|
)
|
|
ue->ue_release_timer_rrc = ue->ue_release_timer_thres_rrc;
|
|
|
|
}
|
|
|
|
|