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/* (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,
};
net->dyn_ts_allow_tch_f = true;
/* 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;
}
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