mirror of https://gerrit.osmocom.org/libosmocore
38 lines
973 B
C
38 lines
973 B
C
/*! \file gsm0502.h */
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#pragma once
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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/protocol/gsm_08_58.h>
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/* Table 5 Clause 7 TS 05.02 */
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static inline unsigned int
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gsm0502_get_n_pag_blocks(struct gsm48_control_channel_descr *chan_desc)
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{
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if (chan_desc->ccch_conf == RSL_BCCH_CCCH_CONF_1_C)
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return 3 - chan_desc->bs_ag_blks_res;
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else
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return 9 - chan_desc->bs_ag_blks_res;
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}
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/* Chapter 6.5.2 of TS 05.02 */
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static inline unsigned int
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gsm0502_get_ccch_group(uint64_t imsi, unsigned int bs_cc_chans,
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unsigned int n_pag_blocks)
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{
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return (imsi % 1000) % (bs_cc_chans * n_pag_blocks) / n_pag_blocks;
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}
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/* Chapter 6.5.2 of TS 05.02 */
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static inline unsigned int
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gsm0502_get_paging_group(uint64_t imsi, unsigned int bs_cc_chans,
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int n_pag_blocks)
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{
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return (imsi % 1000) % (bs_cc_chans * n_pag_blocks) % n_pag_blocks;
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}
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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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