68 lines
2.2 KiB
C
68 lines
2.2 KiB
C
/* Management functions to allocate/release struct gsm_lchan */
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/* (C) 2008 by Harald Welte <laforge@gnumonks.org>
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* (C) 2009 by Holger Hans Peter Freyther <zecke@selfish.org>
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* All Rights Reserved
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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*/
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#ifndef _CHAN_ALLOC_H
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#define _CHAN_ALLOC_H
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#include "gsm_subscriber.h"
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/* Special allocator for C0 of BTS */
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struct gsm_bts_trx_ts *ts_c0_alloc(struct gsm_bts *bts,
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enum gsm_phys_chan_config pchan);
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/* Regular physical channel allocator */
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struct gsm_bts_trx_ts *ts_alloc(struct gsm_bts *bts,
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enum gsm_phys_chan_config pchan);
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/* Regular physical channel (TS) */
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void ts_free(struct gsm_bts_trx_ts *ts);
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/* Find an allocated channel */
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struct gsm_lchan *lchan_find(struct gsm_bts *bts, struct gsm_subscriber *subscr);
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/* Find an allocated channel for a specified subscriber */
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struct gsm_lchan *lchan_for_subscr(struct gsm_subscriber *subscr);
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/* Allocate a logical channel (SDCCH, TCH, ...) */
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struct gsm_lchan *lchan_alloc(struct gsm_bts *bts, enum gsm_chan_t type);
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/* Free a logical channel (SDCCH, TCH, ...) */
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void lchan_free(struct gsm_lchan *lchan);
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void lchan_reset(struct gsm_lchan *lchan);
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/* Consider releasing the channel */
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int lchan_auto_release(struct gsm_lchan *lchan);
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struct load_counter {
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unsigned int total;
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unsigned int used;
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};
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struct pchan_load {
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struct load_counter pchan[GSM_PCHAN_UNKNOWN];
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};
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void bts_chan_load(struct pchan_load *cl, const struct gsm_bts *bts);
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void network_chan_load(struct pchan_load *pl, struct gsm_network *net);
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int trx_is_usable(struct gsm_bts_trx *trx);
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#endif /* _CHAN_ALLOC_H */
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