libosmogsm
0.9.3
Osmocom GSM library
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00001 #pragma once 00002 00003 #include <stdint.h> 00004 00005 #include <osmocom/gsm/protocol/gsm_04_08.h> 00006 #include <osmocom/gsm/protocol/gsm_08_58.h> 00007 00008 /* Table 5 Clause 7 TS 05.02 */ 00009 static inline unsigned int 00010 gsm0502_get_n_pag_blocks(struct gsm48_control_channel_descr *chan_desc) 00011 { 00012 if (chan_desc->ccch_conf == RSL_BCCH_CCCH_CONF_1_C) 00013 return 3 - chan_desc->bs_ag_blks_res; 00014 else 00015 return 9 - chan_desc->bs_ag_blks_res; 00016 } 00017 00018 /* Chapter 6.5.2 of TS 05.02 */ 00019 static inline unsigned int 00020 gsm0502_get_ccch_group(uint64_t imsi, unsigned int bs_cc_chans, 00021 unsigned int n_pag_blocks) 00022 { 00023 return (imsi % 1000) % (bs_cc_chans * n_pag_blocks) / n_pag_blocks; 00024 } 00025 00026 /* Chapter 6.5.2 of TS 05.02 */ 00027 static inline unsigned int 00028 gsm0502_get_paging_group(uint64_t imsi, unsigned int bs_cc_chans, 00029 int n_pag_blocks) 00030 { 00031 return (imsi % 1000) % (bs_cc_chans * n_pag_blocks) % n_pag_blocks; 00032 } 00033 00034 unsigned int 00035 gsm0502_calc_paging_group(struct gsm48_control_channel_descr *chan_desc, uint64_t imsi);