mirror of https://gerrit.osmocom.org/libosmocore
44 lines
1.3 KiB
C
44 lines
1.3 KiB
C
/* Paging helper code */
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/* (C) 2009 by Holger Hans Peter Freyther <zecke@selfish.org>
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* All Rights Reserved
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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 General Public License as published by
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* the Free Software Foundation; either version 2 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 <http://www.gnu.org/licenses/>.
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*
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*/
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#include <stdint.h>
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#include <osmocom/gsm/protocol/gsm_04_08.h>
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#include <osmocom/gsm/gsm0502.h>
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#include <osmocom/gsm/gsm48.h>
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#include <osmocom/gsm/rsl.h>
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unsigned int
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gsm0502_calc_paging_group(struct gsm48_control_channel_descr *chan_desc, uint64_t imsi)
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{
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int ccch_conf;
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int bs_cc_chans;
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int blocks;
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unsigned int group;
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ccch_conf = chan_desc->ccch_conf;
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bs_cc_chans = rsl_ccch_conf_to_bs_cc_chans(ccch_conf);
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/* code word + 2, as 2 channels equals 0x0 */
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blocks = gsm48_number_of_paging_subchannels(chan_desc);
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group = gsm0502_get_paging_group(imsi, bs_cc_chans, blocks);
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return group;
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}
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