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/*
* 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 "msc.h"
# include "asn1_conversions.h"
# include "intertask_interface.h"
# include "common/ran_context.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->rnti);
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);
}
MSC_LOG_RX_MESSAGE(
MSC_RRC_ENB,
MSC_GTPU_ENB,
NULL,0,
MSC_AS_TIME_FMT" CREATE_TUNNEL_RESP RNTI %"PRIx16" ntuns %u ebid %u enb-s1u teid %u",
0,0,rnti,
create_tunnel_resp_pP->num_tunnels,
ue_context_p->ue_context.enb_gtp_ebi[0],
ue_context_p->ue_context.enb_gtp_teid[0]);
(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,
const rrc_eNB_ue_context_t* const ue_context_pP
)
{
if (!ue_context_pP) {
LOG_W(RRC, "[eNB] In %s: invalid UE\n", __func__);
return;
}
MSC_LOG_TX_MESSAGE(MSC_RRC_ENB, MSC_GTPU_ENB, NULL, 0,
"0 GTPV1U_ENB_DELETE_TUNNEL_REQ rnti %x ",
ue_context_pP->ue_context.eNB_ue_s1ap_id);
MessageDef *msg = itti_alloc_new_message(TASK_RRC_ENB, GTPV1U_ENB_DELETE_TUNNEL_REQ);
memset(>PV1U_ENB_DELETE_TUNNEL_REQ(msg), 0, sizeof(GTPV1U_ENB_DELETE_TUNNEL_REQ(msg)));
GTPV1U_ENB_DELETE_TUNNEL_REQ(msg).rnti = ue_context_pP->ue_context.rnti;
GTPV1U_ENB_DELETE_TUNNEL_REQ(msg).num_erab = ue_context_pP->ue_context.nb_of_e_rabs;
for (int e_rab = 0; e_rab < ue_context_pP->ue_context.nb_of_e_rabs; e_rab++) {
const rb_id_t gtp_ebi = ue_context_pP->ue_context.enb_gtp_ebi[e_rab];
GTPV1U_ENB_DELETE_TUNNEL_REQ(msg).eps_bearer_id[e_rab] = gtp_ebi;
}
itti_send_msg_to_task(TASK_GTPV1_U, ENB_MODULE_ID_TO_INSTANCE(enb_mod_idP), msg);
}