diff options
Diffstat (limited to 'include/openbsc/chan_alloc.h')
-rw-r--r-- | include/openbsc/chan_alloc.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/include/openbsc/chan_alloc.h b/include/openbsc/chan_alloc.h new file mode 100644 index 000000000..78242e5b7 --- /dev/null +++ b/include/openbsc/chan_alloc.h @@ -0,0 +1,54 @@ +/* Management functions to allocate/release struct gsm_lchan */ +/* (C) 2008 by Harald Welte <laforge@gnumonks.org> + * (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 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/>. + * + */ +#ifndef _CHAN_ALLOC_H +#define _CHAN_ALLOC_H + +#include "gsm_data.h" + +struct gsm_subscriber_connection; + +/* Find an allocated channel for a specified subscriber */ +struct gsm_subscriber_connection *connection_for_subscr(struct gsm_subscriber *subscr); + +/* Allocate a logical channel (SDCCH, TCH, ...) */ +struct gsm_lchan *lchan_alloc(struct gsm_bts *bts, enum gsm_chan_t type, int allow_bigger); + +/* Free a logical channel (SDCCH, TCH, ...) */ +void lchan_free(struct gsm_lchan *lchan); +void lchan_reset(struct gsm_lchan *lchan); + +/* Release the given lchan */ +int lchan_release(struct gsm_lchan *lchan, int sacch_deact, enum rsl_rel_mode release_mode); + +struct load_counter { + unsigned int total; + unsigned int used; +}; + +struct pchan_load { + struct load_counter pchan[_GSM_PCHAN_MAX]; +}; + +void bts_chan_load(struct pchan_load *cl, const struct gsm_bts *bts); +void network_chan_load(struct pchan_load *pl, struct gsm_network *net); + +int trx_is_usable(struct gsm_bts_trx *trx); + +#endif /* _CHAN_ALLOC_H */ |