/* Management functions to allocate/release struct gsm_lchan */ /* (C) 2008 by Harald Welte * (C) 2009 by Holger Hans Peter Freyther * 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 . * */ #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 vlr_subscr *vsub); /* 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 */