diff options
| author | Harald Welte <laforge@gnumonks.org> | 2011-06-26 14:33:57 +0200 |
|---|---|---|
| committer | Harald Welte <laforge@gnumonks.org> | 2011-06-26 14:40:12 +0200 |
| commit | 94df39e905b9de424ecb40e9c54ddae0e7b6d4e3 (patch) | |
| tree | 0aeaad484504b3c842d1f52293b57e19aa4c2e81 /src/gsm | |
| parent | 2aee7b14ca17995fc311eb2d7d99c23f734adad6 (diff) | |
add some utility functions for paging related calculation (TS 05.02)
Diffstat (limited to 'src/gsm')
| -rw-r--r-- | src/gsm/gsm48.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/src/gsm/gsm48.c b/src/gsm/gsm48.c index 4645af4d..44baec60 100644 --- a/src/gsm/gsm48.c +++ b/src/gsm/gsm48.c @@ -31,6 +31,7 @@ #include <osmocom/core/utils.h> #include <osmocom/gsm/tlv.h> #include <osmocom/gsm/gsm48.h> +#include <osmocom/gsm/gsm0502.h> #include <osmocom/gsm/protocol/gsm_04_08.h> #include <osmocom/gsm/protocol/gsm_08_58.h> @@ -418,11 +419,10 @@ int gsm48_construct_ra(uint8_t *buf, const struct gprs_ra_id *raid) /* From Table 10.5.33 of GSM 04.08 */ int gsm48_number_of_paging_subchannels(struct gsm48_control_channel_descr *chan_desc) { - if (chan_desc->ccch_conf == RSL_BCCH_CCCH_CONF_1_C) { - return OSMO_MAX(1, (3 - chan_desc->bs_ag_blks_res)) - * (chan_desc->bs_pa_mfrms + 2); - } else { - return (9 - chan_desc->bs_ag_blks_res) - * (chan_desc->bs_pa_mfrms + 2); - } + unsigned int n_pag_blocks = gsm0502_get_n_pag_blocks(chan_desc); + + if (chan_desc->ccch_conf == RSL_BCCH_CCCH_CONF_1_C) + return OSMO_MAX(1, n_pag_blocks) * (chan_desc->bs_pa_mfrms + 2); + else + return n_pag_blocks * (chan_desc->bs_pa_mfrms + 2); } |