| /* Paging helper code */ |
| |
| /* (C) 2009 by Holger Hans Peter Freyther <zecke@selfish.org> |
| * All Rights Reserved |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| * |
| */ |
| |
| #include <stdint.h> |
| |
| #include <osmocom/gsm/protocol/gsm_04_08.h> |
| #include <osmocom/gsm/gsm0502.h> |
| #include <osmocom/gsm/gsm48.h> |
| #include <osmocom/gsm/rsl.h> |
| |
| unsigned int |
| gsm0502_calc_paging_group(struct gsm48_control_channel_descr *chan_desc, uint64_t imsi) |
| { |
| int ccch_conf; |
| int bs_cc_chans; |
| int blocks; |
| unsigned int group; |
| |
| ccch_conf = chan_desc->ccch_conf; |
| bs_cc_chans = rsl_ccch_conf_to_bs_cc_chans(ccch_conf); |
| /* code word + 2, as 2 channels equals 0x0 */ |
| blocks = gsm48_number_of_paging_subchannels(chan_desc); |
| group = gsm0502_get_paging_group(imsi, bs_cc_chans, blocks); |
| |
| return group; |
| } |