libosmogsm
0.11.0-dirty
Osmocom GSM library
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00001 00003 #pragma once 00004 00005 #include <stdint.h> 00006 00007 #include <osmocom/gsm/protocol/gsm_04_08.h> 00008 #include <osmocom/gsm/protocol/gsm_08_58.h> 00009 00010 /* Table 5 Clause 7 TS 05.02 */ 00011 static inline unsigned int 00012 gsm0502_get_n_pag_blocks(struct gsm48_control_channel_descr *chan_desc) 00013 { 00014 if (chan_desc->ccch_conf == RSL_BCCH_CCCH_CONF_1_C) 00015 return 3 - chan_desc->bs_ag_blks_res; 00016 else 00017 return 9 - chan_desc->bs_ag_blks_res; 00018 } 00019 00020 /* Chapter 6.5.2 of TS 05.02 */ 00021 static inline unsigned int 00022 gsm0502_get_ccch_group(uint64_t imsi, unsigned int bs_cc_chans, 00023 unsigned int n_pag_blocks) 00024 { 00025 return (imsi % 1000) % (bs_cc_chans * n_pag_blocks) / n_pag_blocks; 00026 } 00027 00028 /* Chapter 6.5.2 of TS 05.02 */ 00029 static inline unsigned int 00030 gsm0502_get_paging_group(uint64_t imsi, unsigned int bs_cc_chans, 00031 int n_pag_blocks) 00032 { 00033 return (imsi % 1000) % (bs_cc_chans * n_pag_blocks) % n_pag_blocks; 00034 } 00035 00036 unsigned int 00037 gsm0502_calc_paging_group(struct gsm48_control_channel_descr *chan_desc, uint64_t imsi);