| /* (C) 2008-2010 by Harald Welte <laforge@gnumonks.org> |
| * |
| * All Rights Reserved |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU Affero General Public License as published by |
| * the Free Software Foundation; either version 3 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 Affero General Public License for more details. |
| * |
| * You should have received a copy of the GNU Affero General Public License |
| * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| * |
| */ |
| |
| #include <osmocom/bsc/osmo_bsc.h> |
| #include <osmocom/bsc/bsc_msc_data.h> |
| #include <osmocom/bsc/gsm_04_08_utils.h> |
| #include <osmocom/bsc/handover_cfg.h> |
| #include <osmocom/bsc/chan_alloc.h> |
| #include <osmocom/bsc/common_bsc.h> |
| |
| /* XXX hard-coded for now */ |
| #define T3122_CHAN_LOAD_SAMPLE_INTERVAL 1 /* in seconds */ |
| |
| static void update_t3122_chan_load_timer(void *data) |
| { |
| struct gsm_network *net = data; |
| struct gsm_bts *bts; |
| |
| llist_for_each_entry(bts, &net->bts_list, list) |
| bts_update_t3122_chan_load(bts); |
| |
| /* Keep this timer ticking. */ |
| osmo_timer_schedule(&net->t3122_chan_load_timer, T3122_CHAN_LOAD_SAMPLE_INTERVAL, 0); |
| } |
| |
| struct gsm_network *bsc_network_init(void *ctx) |
| { |
| struct gsm_network *net; |
| |
| net = talloc_zero(ctx, struct gsm_network); |
| if (!net) |
| return NULL; |
| |
| net->plmn = (struct osmo_plmn_id){ |
| .mcc = 1, |
| .mnc = 1, |
| }; |
| |
| /* Permit a compile-time default of A5/3 and A5/1 */ |
| net->a5_encryption_mask = (1 << 3) | (1 << 1); |
| |
| /* Use 30 min periodic update interval as sane default */ |
| net->t3212 = 5; |
| |
| INIT_LLIST_HEAD(&net->subscr_conns); |
| |
| net->bsc_subscribers = talloc_zero(net, struct llist_head); |
| INIT_LLIST_HEAD(net->bsc_subscribers); |
| |
| net->bsc_data = talloc_zero(net, struct osmo_bsc_data); |
| if (!net->bsc_data) { |
| talloc_free(net); |
| return NULL; |
| } |
| |
| /* Init back pointer */ |
| net->bsc_data->auto_off_timeout = -1; |
| net->bsc_data->network = net; |
| INIT_LLIST_HEAD(&net->bsc_data->mscs); |
| |
| net->num_bts = 0; |
| net->T3101 = GSM_T3101_DEFAULT; |
| net->T3103 = GSM_T3103_DEFAULT; |
| net->T3105 = GSM_T3105_DEFAULT; |
| net->T3107 = GSM_T3107_DEFAULT; |
| net->T3109 = GSM_T3109_DEFAULT; |
| net->T3111 = GSM_T3111_DEFAULT; |
| net->T3113 = GSM_T3113_DEFAULT; |
| net->T3115 = GSM_T3115_DEFAULT; |
| net->T3117 = GSM_T3117_DEFAULT; |
| net->T3119 = GSM_T3119_DEFAULT; |
| net->T3122 = GSM_T3122_DEFAULT; |
| net->T3141 = GSM_T3141_DEFAULT; |
| |
| net->ho = ho_cfg_init(net, NULL); |
| net->hodec2.congestion_check_interval_s = HO_CFG_CONGESTION_CHECK_DEFAULT; |
| |
| INIT_LLIST_HEAD(&net->bts_list); |
| |
| /* |
| * At present all BTS in the network share one channel load timeout. |
| * If this becomes a problem for networks with a lot of BTS, this |
| * code could be refactored to run the timeout individually per BTS. |
| */ |
| osmo_timer_setup(&net->t3122_chan_load_timer, update_t3122_chan_load_timer, net); |
| osmo_timer_schedule(&net->t3122_chan_load_timer, T3122_CHAN_LOAD_SAMPLE_INTERVAL, 0); |
| |
| /* init statistics */ |
| net->bsc_ctrs = rate_ctr_group_alloc(net, &bsc_ctrg_desc, 0); |
| if (!net->bsc_ctrs) { |
| talloc_free(net); |
| return NULL; |
| } |
| |
| gsm_net_update_ctype(net); |
| |
| return net; |
| } |
| |