forked from acouzens/open5gs
481 lines
20 KiB
C
481 lines
20 KiB
C
/*
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* Copyright (C) 2019 by Sukchan Lee <acetcom@gmail.com>
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* Copyright (C) 2022 by sysmocom - s.f.m.c. GmbH <info@sysmocom.de>
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*
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* This file is part of Open5GS.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero 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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*
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* This program 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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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "context.h"
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#include "gn-build.h"
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#include "ipfw/ipfw2.h"
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/* 3GPP TS 23.401 Annex E */
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static void build_qos_profile_from_session(ogs_gtp1_qos_profile_decoded_t *qos_pdec, const smf_sess_t *sess)
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{
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memset(qos_pdec, 0, sizeof(*qos_pdec));
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qos_pdec->qos_profile.arp = sess->session.qos.arp.priority_level;
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qos_pdec->qos_profile.data.reliability_class = 3; /* Unacknowledged GTP and LLC; Acknowledged RLC, Protected data */
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qos_pdec->qos_profile.data.precedence_class = 2; /* Normal priority */
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qos_pdec->qos_profile.data.peak_throughput = 9; /* Up to 256 000 octet/s */
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qos_pdec->qos_profile.data.mean_throughput = 0x1f; /* Best effort */
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qos_pdec->qos_profile.data.delivery_erroneous_sdu = 2; /* Erroneous SDUs are delivered ('yes') */
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qos_pdec->qos_profile.data.delivery_order = 2; /* Without delivery order ('no') */
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qos_pdec->qos_profile.data.max_sdu_size = 0x96; /* 1500 octets */
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qos_pdec->qos_profile.data.residual_ber = 5; /* 1*10^-4, <= 2*10^-4 */
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qos_pdec->qos_profile.data.sdu_error_ratio = 4; /* 1*10^-4 */
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/* 3GPP TS 23.401 Annex E table Table E.3 */
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/* Also take into account table 7 in 3GPP TS 23.107 9.1.2.2 */
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switch (sess->session.qos.index) { /* QCI */
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case 1:
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qos_pdec->qos_profile.data.traffic_class = OGS_GTP1_QOS_TRAFFIC_CLASS_CONVERSATIONAL;
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qos_pdec->qos_profile.data.source_statistics_descriptor = OGS_GTP1_QOS_SRC_STATS_DESC_SPEECH;
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qos_pdec->dec_transfer_delay = 150;
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qos_pdec->qos_profile.data.delay_class = 1;
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break;
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case 2:
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qos_pdec->qos_profile.data.traffic_class = OGS_GTP1_QOS_TRAFFIC_CLASS_CONVERSATIONAL;
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qos_pdec->qos_profile.data.source_statistics_descriptor = OGS_GTP1_QOS_SRC_STATS_DESC_UNKNOWN;
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qos_pdec->dec_transfer_delay = 150;
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qos_pdec->qos_profile.data.delay_class = 1;
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break;
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case 3:
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qos_pdec->qos_profile.data.traffic_class = OGS_GTP1_QOS_TRAFFIC_CLASS_CONVERSATIONAL;
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qos_pdec->qos_profile.data.source_statistics_descriptor = OGS_GTP1_QOS_SRC_STATS_DESC_UNKNOWN;
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qos_pdec->dec_transfer_delay = 80;
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qos_pdec->qos_profile.data.delay_class = 1;
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break;
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case 4:
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qos_pdec->qos_profile.data.traffic_class = OGS_GTP1_QOS_TRAFFIC_CLASS_STREAMING;
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qos_pdec->qos_profile.data.source_statistics_descriptor = OGS_GTP1_QOS_SRC_STATS_DESC_UNKNOWN;
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qos_pdec->qos_profile.data.sdu_error_ratio = 5; /* 10^-5*/
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qos_pdec->qos_profile.data.delay_class = 1;
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break;
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case 5:
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qos_pdec->qos_profile.data.traffic_class = OGS_GTP1_QOS_TRAFFIC_CLASS_INTERACTIVE;
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qos_pdec->qos_profile.data.traffic_handling_priority = 1;
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qos_pdec->qos_profile.data.signalling_indication = 1;
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qos_pdec->qos_profile.data.delay_class = qos_pdec->qos_profile.data.traffic_handling_priority;
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break;
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case 6:
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qos_pdec->qos_profile.data.traffic_class = OGS_GTP1_QOS_TRAFFIC_CLASS_INTERACTIVE;
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qos_pdec->qos_profile.data.traffic_handling_priority = 1;
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qos_pdec->qos_profile.data.delay_class = qos_pdec->qos_profile.data.traffic_handling_priority;
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break;
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case 7:
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qos_pdec->qos_profile.data.traffic_class = OGS_GTP1_QOS_TRAFFIC_CLASS_INTERACTIVE;
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qos_pdec->qos_profile.data.traffic_handling_priority = 2;
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qos_pdec->qos_profile.data.delay_class = qos_pdec->qos_profile.data.traffic_handling_priority;
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break;
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case 8:
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qos_pdec->qos_profile.data.traffic_class = OGS_GTP1_QOS_TRAFFIC_CLASS_INTERACTIVE;
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qos_pdec->qos_profile.data.traffic_handling_priority = 3;
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qos_pdec->qos_profile.data.delay_class = qos_pdec->qos_profile.data.traffic_handling_priority;
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break;
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case 9:
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default:
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qos_pdec->qos_profile.data.traffic_class = OGS_GTP1_QOS_TRAFFIC_CLASS_BACKGROUND;
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qos_pdec->qos_profile.data.delay_class = 4;
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break;
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}
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qos_pdec->data_octet6_to_13_present = true;
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qos_pdec->data_octet14_present = true;
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qos_pdec->dec_mbr_kbps_dl = sess->session.ambr.downlink / 1000;
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qos_pdec->dec_mbr_kbps_ul = sess->session.ambr.uplink / 1000;
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}
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ogs_pkbuf_t *smf_gn_build_create_pdp_context_response(
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uint8_t type, smf_sess_t *sess)
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{
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int rv;
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smf_bearer_t *bearer = NULL;
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ogs_gtp1_message_t gtp1_message;
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ogs_gtp1_create_pdp_context_response_t *rsp = NULL;
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ogs_gtp1_gsn_addr_t smf_gnc_gsnaddr, pgw_gnu_gsnaddr;
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ogs_gtp1_gsn_addr_t smf_gnc_altgsnaddr, pgw_gnu_altgsnaddr;
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int gsn_len, gsn_altlen;
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ogs_gtp1_apn_ambr_t ambr;
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ogs_ip_t ip_eua;
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ogs_eua_t eua;
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uint8_t eua_len = 0;
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uint8_t pco_buf[OGS_MAX_PCO_LEN];
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int16_t pco_len;
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ogs_gtp1_qos_profile_decoded_t qos_pdec;
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char qos_pdec_buf[OGS_GTP1_QOS_PROFILE_MAX_LEN];
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ogs_debug("[SMF] Create PDP Context Response");
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ogs_assert(sess);
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bearer = smf_default_bearer_in_sess(sess);
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ogs_assert(bearer);
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ogs_debug(" SGW_S5C_TEID[0x%x] SMF_N4_TEID[0x%x]",
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sess->sgw_s5c_teid, sess->smf_n4_teid);
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ogs_debug(" SGW_S5U_TEID[0x%x] PGW_S5U_TEID[0x%x]",
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bearer->sgw_s5u_teid, bearer->pgw_s5u_teid);
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rsp = >p1_message.create_pdp_context_response;
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memset(>p1_message, 0, sizeof(ogs_gtp1_message_t));
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/* Set Cause */
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rsp->cause.presence = 1;
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if (sess->ue_session_type == sess->session.session_type)
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rsp->cause.u8 = OGS_GTP1_CAUSE_REQUEST_ACCEPTED;
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else
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rsp->cause.u8 = OGS_GTP1_CAUSE_NEW_PDP_TYPE_DUE_TO_NETWORK_PREFERENCE;
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/* TODO: Reordering required: should be set based on Qos Profile
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delivery_order field, see TS 23.107 Table 7 */
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rsp->reordering_required.presence = 1;
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rsp->reordering_required.u8 = 0; /* No */
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/* TODO: Recovery */
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rsp->tunnel_endpoint_identifier_data_i.presence = 1;
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rsp->tunnel_endpoint_identifier_data_i.u32 = bearer->pgw_s5u_teid;
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rsp->tunnel_endpoint_identifier_control_plane.presence = 1;
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rsp->tunnel_endpoint_identifier_control_plane.u32 = sess->smf_n4_teid;
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/* TODO: NSAPI ? */
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rsp->nsapi.presence = 1;
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rsp->nsapi.u8 = sess->gtp.v1.nsapi;
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/* Charging ID */
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rsp->charging_id.presence = 1;
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rsp->charging_id.u32 = sess->charging.id;
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/* End User Address */
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rv = ogs_gtp2_paa_to_ip(&sess->session.paa, &ip_eua);
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rv = ogs_gtp1_ip_to_eua(sess->session.paa.session_type, &ip_eua, &eua,
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&eua_len);
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rsp->end_user_address.presence = 1;
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rsp->end_user_address.data = &eua;
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rsp->end_user_address.len = eua_len;
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/* Protocol Configuration Options (PCO) */
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if (sess->gtp.ue_pco.presence &&
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sess->gtp.ue_pco.len && sess->gtp.ue_pco.data) {
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pco_len = smf_pco_build(
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pco_buf, sess->gtp.ue_pco.data, sess->gtp.ue_pco.len);
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ogs_assert(pco_len > 0);
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rsp->protocol_configuration_options.presence = 1;
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rsp->protocol_configuration_options.data = pco_buf;
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rsp->protocol_configuration_options.len = pco_len;
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}
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/* GGSN Address for Control Plane */
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/* Alternative GGSN Address for Control Plane */
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if (ogs_gtp_self()->gtpc_addr && ogs_gtp_self()->gtpc_addr6) {
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if (sess->sgw_s5c_ip.ipv4) {
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rv = ogs_gtp1_sockaddr_to_gsn_addr(ogs_gtp_self()->gtpc_addr, NULL,
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&smf_gnc_gsnaddr, &gsn_len);
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ogs_expect_or_return_val(rv == OGS_OK, NULL);
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rv = ogs_gtp1_sockaddr_to_gsn_addr(NULL, ogs_gtp_self()->gtpc_addr6,
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&smf_gnc_altgsnaddr, &gsn_altlen);
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ogs_expect_or_return_val(rv == OGS_OK, NULL);
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} else {
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rv = ogs_gtp1_sockaddr_to_gsn_addr(NULL, ogs_gtp_self()->gtpc_addr6,
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&smf_gnc_gsnaddr, &gsn_len);
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rv = ogs_gtp1_sockaddr_to_gsn_addr(ogs_gtp_self()->gtpc_addr, NULL,
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&smf_gnc_altgsnaddr, &gsn_altlen);
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ogs_expect_or_return_val(rv == OGS_OK, NULL);
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}
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rsp->alternative_ggsn_address_for_control_plane.presence = 1;
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rsp->alternative_ggsn_address_for_control_plane.data = &smf_gnc_altgsnaddr;
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rsp->alternative_ggsn_address_for_control_plane.len = gsn_altlen;
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ogs_expect_or_return_val(rv == OGS_OK, NULL);
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} else {
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rv = ogs_gtp1_sockaddr_to_gsn_addr(
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ogs_gtp_self()->gtpc_addr, ogs_gtp_self()->gtpc_addr6,
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&smf_gnc_gsnaddr, &gsn_len);
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ogs_expect_or_return_val(rv == OGS_OK, NULL);
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}
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rsp->ggsn_address_for_control_plane.presence = 1;
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rsp->ggsn_address_for_control_plane.data = &smf_gnc_gsnaddr;
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rsp->ggsn_address_for_control_plane.len = gsn_len;
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/* GGSN Address for user traffic */
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/* Alternative GGSN Address for user traffic */
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if (bearer->pgw_s5u_addr && bearer->pgw_s5u_addr6) {
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if (bearer->sgw_s5u_ip.ipv4) {
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rv = ogs_gtp1_sockaddr_to_gsn_addr(bearer->pgw_s5u_addr, NULL,
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&pgw_gnu_gsnaddr, &gsn_len);
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ogs_expect_or_return_val(rv == OGS_OK, NULL);
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rv = ogs_gtp1_sockaddr_to_gsn_addr(NULL, bearer->pgw_s5u_addr6,
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&pgw_gnu_altgsnaddr, &gsn_altlen);
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ogs_expect_or_return_val(rv == OGS_OK, NULL);
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} else {
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rv = ogs_gtp1_sockaddr_to_gsn_addr(NULL, bearer->pgw_s5u_addr6,
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&pgw_gnu_gsnaddr, &gsn_len);
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rv = ogs_gtp1_sockaddr_to_gsn_addr(bearer->pgw_s5u_addr, NULL,
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&pgw_gnu_altgsnaddr, &gsn_altlen);
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ogs_expect_or_return_val(rv == OGS_OK, NULL);
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}
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rsp->alternative_ggsn_address_for_user_traffic.presence = 1;
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rsp->alternative_ggsn_address_for_user_traffic.data = &pgw_gnu_altgsnaddr;
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rsp->alternative_ggsn_address_for_user_traffic.len = gsn_altlen;
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} else {
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rv = ogs_gtp1_sockaddr_to_gsn_addr(
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bearer->pgw_s5u_addr, bearer->pgw_s5u_addr6,
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&pgw_gnu_gsnaddr, &gsn_len);
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ogs_expect_or_return_val(rv == OGS_OK, NULL);
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}
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rsp->ggsn_address_for_user_traffic.presence = 1;
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rsp->ggsn_address_for_user_traffic.data = &pgw_gnu_gsnaddr;
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rsp->ggsn_address_for_user_traffic.len = gsn_len;
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/* QoS Profile: if PCRF changes Bearer QoS, this should be included. */
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if (sess->gtp.create_session_response_bearer_qos == true) {
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build_qos_profile_from_session(&qos_pdec, sess);
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rsp->quality_of_service_profile.presence = 1;
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ogs_gtp1_build_qos_profile(&rsp->quality_of_service_profile,
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&qos_pdec, qos_pdec_buf, OGS_GTP1_QOS_PROFILE_MAX_LEN);
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}
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/* TODO: Charging Gateway Address */
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/* TODO: Alternative Charging Gateway Address */
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/* TODO: Common Flags */
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/* APN Restriction */
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rsp->apn_restriction.presence = 1;
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rsp->apn_restriction.u8 = OGS_GTP1_APN_NO_RESTRICTION;
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/* TODO: MS Info Change Reporting Action */
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/* TODO: Bearer Control Mode */
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/* TODO: Evolved Allocation/Retention Priority I */
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/* TODO: Extended Common Flag */
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/* TODO: CSG Information Reporting Action */
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/* APN-AMBR
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* if PCRF changes APN-AMBR, this should be included. */
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if (sess->gtp.create_session_response_apn_ambr == true) {
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memset(&ambr, 0, sizeof(ogs_gtp1_apn_ambr_t));
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ambr.uplink = htobe32(sess->session.ambr.uplink / 1000);
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ambr.downlink = htobe32(sess->session.ambr.downlink / 1000);
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rsp->apn_ambr.presence = 1;
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rsp->apn_ambr.data = &ambr;
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rsp->apn_ambr.len = sizeof(ambr);
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}
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/* TODO: GGSN Back-Off Time */
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/* TODO: Extended Common Flags II */
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gtp1_message.h.type = type;
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return ogs_gtp1_build_msg(>p1_message);
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return NULL;
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}
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ogs_pkbuf_t *smf_gn_build_delete_pdp_context_response(
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uint8_t type, smf_sess_t *sess)
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{
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ogs_gtp1_message_t gtp1_message;
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ogs_gtp1_delete_pdp_context_response_t *rsp = NULL;
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uint8_t pco_buf[OGS_MAX_PCO_LEN];
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int16_t pco_len;
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ogs_debug("[SMF] Delete PDP Context Response");
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rsp = >p1_message.delete_pdp_context_response;
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memset(>p1_message, 0, sizeof(ogs_gtp1_message_t));
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/* Cause */
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rsp->cause.presence = 1;
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rsp->cause.u8 = OGS_GTP1_CAUSE_REQUEST_ACCEPTED;
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/* PCO */
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if (sess->gtp.ue_pco.presence &&
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sess->gtp.ue_pco.len && sess->gtp.ue_pco.data) {
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pco_len = smf_pco_build(
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pco_buf, sess->gtp.ue_pco.data, sess->gtp.ue_pco.len);
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ogs_assert(pco_len > 0);
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rsp->protocol_configuration_options.presence = 1;
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rsp->protocol_configuration_options.data = pco_buf;
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rsp->protocol_configuration_options.len = pco_len;
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}
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/* Private Extension */
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/* build */
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gtp1_message.h.type = type;
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return ogs_gtp1_build_msg(>p1_message);
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}
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ogs_pkbuf_t *smf_gn_build_update_pdp_context_response(
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uint8_t type, smf_sess_t *sess, const smf_bearer_t *bearer)
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{
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int rv;
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ogs_gtp1_message_t gtp1_message;
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ogs_gtp1_update_pdp_context_response_t *rsp = NULL;
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uint8_t pco_buf[OGS_MAX_PCO_LEN];
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int16_t pco_len;
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ogs_gtp1_gsn_addr_t smf_gnc_gsnaddr, pgw_gnu_gsnaddr;
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ogs_gtp1_gsn_addr_t smf_gnc_altgsnaddr, pgw_gnu_altgsnaddr;
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int gsn_len, gsn_altlen;
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ogs_gtp1_qos_profile_decoded_t qos_pdec;
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char qos_pdec_buf[OGS_GTP1_QOS_PROFILE_MAX_LEN];
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ogs_gtp1_apn_ambr_t ambr;
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ogs_debug("[SMF] Update PDP Context Response");
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ogs_assert(sess);
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ogs_assert(bearer);
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rsp = >p1_message.update_pdp_context_response;
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memset(>p1_message, 0, sizeof(ogs_gtp1_message_t));
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/* Cause */
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rsp->cause.presence = 1;
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rsp->cause.u8 = OGS_GTP1_CAUSE_REQUEST_ACCEPTED;
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/* TODO: Recovery */
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/* Tunnel Endpoint Identifier Data I */
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rsp->tunnel_endpoint_identifier_data_i.presence = 1;
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rsp->tunnel_endpoint_identifier_data_i.u32 = bearer->pgw_s5u_teid;
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/* Tunnel Endpoint Identifier Control Plane */
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rsp->tunnel_endpoint_identifier_control_plane.presence = 1;
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rsp->tunnel_endpoint_identifier_control_plane.u32 = sess->smf_n4_teid;
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/* Charging ID */
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rsp->charging_id.presence = 1;
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rsp->charging_id.u32 = sess->charging.id;
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|
|
/* Protocol Configuration Options (PCO) */
|
|
if (sess->gtp.ue_pco.presence &&
|
|
sess->gtp.ue_pco.len && sess->gtp.ue_pco.data) {
|
|
pco_len = smf_pco_build(
|
|
pco_buf, sess->gtp.ue_pco.data, sess->gtp.ue_pco.len);
|
|
ogs_assert(pco_len > 0);
|
|
rsp->protocol_configuration_options.presence = 1;
|
|
rsp->protocol_configuration_options.data = pco_buf;
|
|
rsp->protocol_configuration_options.len = pco_len;
|
|
}
|
|
|
|
/* GGSN Address for Control Plane */
|
|
/* Alternative GGSN Address for Control Plane */
|
|
if (ogs_gtp_self()->gtpc_addr && ogs_gtp_self()->gtpc_addr6) {
|
|
if (sess->sgw_s5c_ip.ipv4) {
|
|
rv = ogs_gtp1_sockaddr_to_gsn_addr(ogs_gtp_self()->gtpc_addr, NULL,
|
|
&smf_gnc_gsnaddr, &gsn_len);
|
|
ogs_expect_or_return_val(rv == OGS_OK, NULL);
|
|
rv = ogs_gtp1_sockaddr_to_gsn_addr(NULL, ogs_gtp_self()->gtpc_addr6,
|
|
&smf_gnc_altgsnaddr, &gsn_altlen);
|
|
ogs_expect_or_return_val(rv == OGS_OK, NULL);
|
|
} else {
|
|
rv = ogs_gtp1_sockaddr_to_gsn_addr(NULL, ogs_gtp_self()->gtpc_addr6,
|
|
&smf_gnc_gsnaddr, &gsn_len);
|
|
rv = ogs_gtp1_sockaddr_to_gsn_addr(ogs_gtp_self()->gtpc_addr, NULL,
|
|
&smf_gnc_altgsnaddr, &gsn_altlen);
|
|
ogs_expect_or_return_val(rv == OGS_OK, NULL);
|
|
}
|
|
rsp->alternative_ggsn_address_for_control_plane.presence = 1;
|
|
rsp->alternative_ggsn_address_for_control_plane.data = &smf_gnc_altgsnaddr;
|
|
rsp->alternative_ggsn_address_for_control_plane.len = gsn_altlen;
|
|
ogs_expect_or_return_val(rv == OGS_OK, NULL);
|
|
} else {
|
|
rv = ogs_gtp1_sockaddr_to_gsn_addr(
|
|
ogs_gtp_self()->gtpc_addr, ogs_gtp_self()->gtpc_addr6,
|
|
&smf_gnc_gsnaddr, &gsn_len);
|
|
ogs_expect_or_return_val(rv == OGS_OK, NULL);
|
|
}
|
|
rsp->ggsn_address_for_control_plane.presence = 1;
|
|
rsp->ggsn_address_for_control_plane.data = &smf_gnc_gsnaddr;
|
|
rsp->ggsn_address_for_control_plane.len = gsn_len;
|
|
|
|
/* GGSN Address for user traffic */
|
|
/* Alternative GGSN Address for user traffic */
|
|
if (bearer->pgw_s5u_addr && bearer->pgw_s5u_addr6) {
|
|
if (bearer->sgw_s5u_ip.ipv4) {
|
|
rv = ogs_gtp1_sockaddr_to_gsn_addr(bearer->pgw_s5u_addr, NULL,
|
|
&pgw_gnu_gsnaddr, &gsn_len);
|
|
ogs_expect_or_return_val(rv == OGS_OK, NULL);
|
|
rv = ogs_gtp1_sockaddr_to_gsn_addr(NULL, bearer->pgw_s5u_addr6,
|
|
&pgw_gnu_altgsnaddr, &gsn_altlen);
|
|
ogs_expect_or_return_val(rv == OGS_OK, NULL);
|
|
} else {
|
|
rv = ogs_gtp1_sockaddr_to_gsn_addr(NULL, bearer->pgw_s5u_addr6,
|
|
&pgw_gnu_gsnaddr, &gsn_len);
|
|
rv = ogs_gtp1_sockaddr_to_gsn_addr(bearer->pgw_s5u_addr, NULL,
|
|
&pgw_gnu_altgsnaddr, &gsn_altlen);
|
|
ogs_expect_or_return_val(rv == OGS_OK, NULL);
|
|
}
|
|
rsp->alternative_ggsn_address_for_user_traffic.presence = 1;
|
|
rsp->alternative_ggsn_address_for_user_traffic.data = &pgw_gnu_altgsnaddr;
|
|
rsp->alternative_ggsn_address_for_user_traffic.len = gsn_altlen;
|
|
} else {
|
|
rv = ogs_gtp1_sockaddr_to_gsn_addr(
|
|
bearer->pgw_s5u_addr, bearer->pgw_s5u_addr6,
|
|
&pgw_gnu_gsnaddr, &gsn_len);
|
|
ogs_expect_or_return_val(rv == OGS_OK, NULL);
|
|
}
|
|
rsp->ggsn_address_for_user_traffic.presence = 1;
|
|
rsp->ggsn_address_for_user_traffic.data = &pgw_gnu_gsnaddr;
|
|
rsp->ggsn_address_for_user_traffic.len = gsn_len;
|
|
|
|
/* QoS Profile: if PCRF changes Bearer QoS, this should be included. */
|
|
if (sess->gtp.create_session_response_bearer_qos == true) {
|
|
build_qos_profile_from_session(&qos_pdec, sess);
|
|
rsp->quality_of_service_profile.presence = 1;
|
|
ogs_gtp1_build_qos_profile(&rsp->quality_of_service_profile,
|
|
&qos_pdec, qos_pdec_buf, OGS_GTP1_QOS_PROFILE_MAX_LEN);
|
|
}
|
|
|
|
|
|
/* QoS Profile: if PCRF changes Bearer QoS, this should be included. */
|
|
if (sess->gtp.create_session_response_bearer_qos == true) {
|
|
build_qos_profile_from_session(&qos_pdec, sess);
|
|
rsp->quality_of_service_profile.presence = 1;
|
|
ogs_gtp1_build_qos_profile(&rsp->quality_of_service_profile,
|
|
&qos_pdec, qos_pdec_buf, OGS_GTP1_QOS_PROFILE_MAX_LEN);
|
|
}
|
|
|
|
/* TODO: Charging Gateway Address */
|
|
/* TODO: Alternative Charging Gateway Address */
|
|
/* TODO: Common Flags */
|
|
|
|
/* APN Restriction */
|
|
rsp->apn_restriction.presence = 1;
|
|
rsp->apn_restriction.u8 = OGS_GTP1_APN_NO_RESTRICTION;
|
|
|
|
/* TODO: Bearer Control Mode */
|
|
/* TODO: MS Info Change Reporting Action */
|
|
/* TODO: Evolved Allocation/Retention Priority I */
|
|
/* TODO: CSG Information Reporting Action */
|
|
|
|
/* APN-AMBR
|
|
* if PCRF changes APN-AMBR, this should be included. */
|
|
if (sess->gtp.create_session_response_apn_ambr == true) {
|
|
memset(&ambr, 0, sizeof(ogs_gtp1_apn_ambr_t));
|
|
ambr.uplink = htobe32(sess->session.ambr.uplink / 1000);
|
|
ambr.downlink = htobe32(sess->session.ambr.downlink / 1000);
|
|
rsp->apn_ambr.presence = 1;
|
|
rsp->apn_ambr.data = &ambr;
|
|
rsp->apn_ambr.len = sizeof(ambr);
|
|
}
|
|
|
|
/* build */
|
|
gtp1_message.h.type = type;
|
|
return ogs_gtp1_build_msg(>p1_message);
|
|
}
|