62 lines
2.1 KiB
C
62 lines
2.1 KiB
C
/* Maintain and generate ASCI notifications */
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/*
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* (C) 2023 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: Harald Welte
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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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#pragma once
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/* one [concurrent] ASCI (VBS/VGCS) notification */
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struct asci_notification {
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struct llist_head list; /* linked to bts->asci.notifications */
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/* Group call reference (TS 24.008 10.5.1.9 "Descriptive group or broadcast call reference") */
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uint8_t group_call_ref[5];
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/* Group Channel Description (TS 44.018 10.5.2.14b) */
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struct {
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bool present;
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uint8_t value[255];
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uint8_t len;
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} chan_desc;
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/* NCH DRX Information (TS 48.058 9.3.47) */
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struct {
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bool present;
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struct rsl_ie_nch_drx_info value;
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} nch_drx_info;
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};
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int bts_asci_notification_add(struct gsm_bts *bts, const uint8_t *group_call_ref, const uint8_t *chan_desc,
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uint8_t chan_desc_len, const struct rsl_ie_nch_drx_info *nch_drx_info);
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int bts_asci_notification_del(struct gsm_bts *bts, const uint8_t *group_call_ref);
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int bts_asci_notification_reset(struct gsm_bts *bts);
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const struct asci_notification *bts_asci_notification_get_next(struct gsm_bts *bts);
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void append_group_call_information(struct bitvec *bv, const uint8_t *gcr, const uint8_t *ch_desc, uint8_t ch_desc_len);
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int bts_asci_notify_nch_gen_msg(struct gsm_bts *bts, uint8_t *out_buf);
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int bts_asci_notify_facch_gen_msg(struct gsm_bts *bts, uint8_t *out_buf, const uint8_t *group_call_ref,
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const uint8_t *chan_desc, uint8_t chan_desc_len);
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