diff options
Diffstat (limited to 'openbsc/include/openbsc/chan_alloc.h')
| -rw-r--r-- | openbsc/include/openbsc/chan_alloc.h | 26 |
1 files changed, 24 insertions, 2 deletions
diff --git a/openbsc/include/openbsc/chan_alloc.h b/openbsc/include/openbsc/chan_alloc.h index f564e9e4d..2cf447c7f 100644 --- a/openbsc/include/openbsc/chan_alloc.h +++ b/openbsc/include/openbsc/chan_alloc.h @@ -23,6 +23,28 @@ #include "gsm_subscriber.h" +/* + * Refcounting for the lchan. If the refcount drops to zero + * the channel will send a RSL release request. + */ +#define use_subscr_con(con) \ + do { (con)->use_count++; \ + DEBUGP(DREF, "lchan (bts=%d,trx=%d,ts=%d,ch=%d) increases usage to: %d\n", \ + (con)->lchan->ts->trx->bts->nr, (con)->lchan->ts->trx->nr, (con)->lchan->ts->nr, \ + (con)->lchan->nr, (con)->use_count); \ + } while(0); + +#define put_subscr_con(con, reason) \ + do { (con)->use_count--; \ + DEBUGP(DREF, "lchan (bts=%d,trx=%d,ts=%d,ch=%d) decreases usage to: %d\n", \ + (con)->lchan->ts->trx->bts->nr, (con)->lchan->ts->trx->nr, (con)->lchan->ts->nr, \ + (con)->lchan->nr, (con)->use_count); \ + if ((con)->use_count <= 0) \ + _lchan_release((con)->lchan, reason); \ + } while(0); + + + /* Special allocator for C0 of BTS */ struct gsm_bts_trx_ts *ts_c0_alloc(struct gsm_bts *bts, enum gsm_phys_chan_config pchan); @@ -46,8 +68,8 @@ struct gsm_lchan *lchan_alloc(struct gsm_bts *bts, enum gsm_chan_t type); /* Free a logical channel (SDCCH, TCH, ...) */ void lchan_free(struct gsm_lchan *lchan); -/* Consider releasing the channel */ -int lchan_auto_release(struct gsm_lchan *lchan); +/* internal.. do not use */ +int _lchan_release(struct gsm_lchan *lchan, u_int8_t release_reason); struct load_counter { unsigned int total; |