160 lines
4.8 KiB
C
160 lines
4.8 KiB
C
/* Lookup table for various RAN implementations */
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/*
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* (C) 2019 by sysmocom - s.f.m.c. GmbH <info@sysmocom.de>
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* All Rights Reserved
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*
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* SPDX-License-Identifier: AGPL-3.0+
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*
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* Author: Neels Hofmeyr
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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 Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <osmocom/core/utils.h>
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#include <osmocom/core/tdef.h>
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#include <osmocom/msc/debug.h>
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#include <osmocom/msc/ran_msg_a.h>
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#include <osmocom/msc/ran_msg_iu.h>
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#include <osmocom/msc/ran_peer.h>
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#include <osmocom/msc/codec_mapping.h>
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#include <osmocom/msc/ran_infra.h>
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#include "config.h"
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const struct value_string an_proto_names[] = {
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{ OSMO_GSUP_ACCESS_NETWORK_PROTOCOL_TS3G_48006, "Ts3G-48006" },
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{ OSMO_GSUP_ACCESS_NETWORK_PROTOCOL_TS3G_25413, "Ts3G-25413" },
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{}
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};
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#define RAN_TDEFS \
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{ .T = -1, .default_val = 5, .desc = "RAN connection Complete Layer 3, Authentication and Ciphering timeout" }, \
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{ .T = -2, .default_val = 30, .desc = "RAN connection release sanity timeout" }, \
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{ .T = -3, .default_val = 10, .desc = "Timeout to find a target BSS after Handover Required" }, \
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{ .T = -4, .default_val = 10, .desc = "Paging response timeout" }, \
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struct osmo_tdef msc_tdefs_geran[] = {
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RAN_TDEFS
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{}
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};
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struct osmo_tdef msc_tdefs_utran[] = {
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RAN_TDEFS
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{}
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};
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struct osmo_tdef msc_tdefs_sgs[] = {
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{ .T = -4, .default_val = 10, .desc = "Paging response timeout" },
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{}
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};
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static __attribute__((constructor)) void ran_infra_init()
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{
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osmo_tdefs_reset(msc_tdefs_geran);
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osmo_tdefs_reset(msc_tdefs_utran);
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osmo_tdefs_reset(msc_tdefs_sgs);
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}
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struct ran_infra msc_ran_infra[] = {
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[OSMO_RAT_UNKNOWN] = {
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.type = OSMO_RAT_UNKNOWN,
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.log_subsys = DMSC,
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.tdefs = msc_tdefs_geran,
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},
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[OSMO_RAT_GERAN_A] = {
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.type = OSMO_RAT_GERAN_A,
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.an_proto = OSMO_GSUP_ACCESS_NETWORK_PROTOCOL_TS3G_48006,
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.ssn = OSMO_SCCP_SSN_BSSAP,
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.log_subsys = DBSSAP,
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.tdefs = msc_tdefs_geran,
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.sccp_ran_ops = {
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.up_l2 = ran_peer_up_l2,
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.disconnect = ran_peer_disconnect,
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.is_reset_msg = bssmap_is_reset_msg,
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.make_reset_msg = bssmap_make_reset_msg,
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.make_paging_msg = bssmap_make_paging_msg,
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.msg_name = bssmap_msg_name,
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},
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.ran_dec_l2 = ran_a_decode_l2,
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.ran_encode = ran_a_encode,
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},
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[OSMO_RAT_UTRAN_IU] = {
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.type = OSMO_RAT_UTRAN_IU,
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.an_proto = OSMO_GSUP_ACCESS_NETWORK_PROTOCOL_TS3G_25413,
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.ssn = OSMO_SCCP_SSN_RANAP,
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.log_subsys = DIUCS,
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.tdefs = msc_tdefs_utran,
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#if BUILD_IU
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.sccp_ran_ops = {
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.up_l2 = ran_peer_up_l2,
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.disconnect = ran_peer_disconnect,
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.is_reset_msg = ranap_is_reset_msg,
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.make_reset_msg = ranap_make_reset_msg,
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.make_paging_msg = ranap_make_paging_msg,
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.msg_name = ranap_msg_name,
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},
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.ran_dec_l2 = ran_iu_decode_l2,
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.ran_encode = ran_iu_encode,
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#endif
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.force_mgw_codecs_to_ran = {
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.count = 1,
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.codec = {
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{
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.payload_type = 96,
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.subtype_name = "VND.3GPP.IUFP",
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.rate = 16000,
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},
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},
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},
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},
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[OSMO_RAT_EUTRAN_SGS] = {
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.type = OSMO_RAT_EUTRAN_SGS,
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.log_subsys = DSGS,
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.ran_encode = NULL,
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.tdefs = msc_tdefs_sgs,
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},
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};
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const int msc_ran_infra_len = ARRAY_SIZE(msc_ran_infra);
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static __attribute__((constructor)) void on_dso_load_geran(void)
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{
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/* Initialize GERAN default codecs, in order of preference. By definition, all codec_mapping entries that match
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* one of the GERAN GMSK Speech Versions are available. */
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static const enum gsm48_bcap_speech_ver mobile_codecs[] = {
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GSM48_BCAP_SV_AMR_F /*!< 4 GSM FR V3 (FR AMR) */,
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GSM48_BCAP_SV_AMR_H /*!< 5 GSM HR V3 (HR_AMR) */,
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GSM48_BCAP_SV_EFR /*!< 2 GSM FR V2 (GSM EFR) */,
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GSM48_BCAP_SV_FR /*!< 0 GSM FR V1 (GSM FR) */,
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GSM48_BCAP_SV_HR /*!< 1 GSM HR V1 (GSM HR) */,
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};
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int i;
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for (i = 0; i < ARRAY_SIZE(mobile_codecs); i++)
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sdp_audio_codecs_add_speech_ver(&msc_ran_infra[OSMO_RAT_GERAN_A].codecs, mobile_codecs[i]);
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}
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static __attribute__((constructor)) void on_dso_load_utran(void)
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{
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static const enum gsm48_bcap_speech_ver utran_codecs[] = {
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GSM48_BCAP_SV_AMR_F /*!< 4 GSM FR V3 (FR AMR) */,
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GSM48_BCAP_SV_AMR_H /*!< 5 GSM HR V3 (HR_AMR) */,
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GSM48_BCAP_SV_AMR_FW /*!< 8 GSM FR V5 (FR AMR-WB) */,
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};
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int i;
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for (i = 0; i < ARRAY_SIZE(utran_codecs); i++)
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sdp_audio_codecs_add_speech_ver(&msc_ran_infra[OSMO_RAT_UTRAN_IU].codecs, utran_codecs[i]);
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}
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