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channel allocator: don't allocate channels of unavalable TRXs 

In case we have multiple TRX configured, but not all of them are
actually active/operational, we should not try to allocate channels
from such transceivers.
This commit is contained in:
Harald Welte 2009-12-24 10:10:16 +01:00
parent 02cbff09df
commit 4c70454bae
1 changed files with 38 additions and 0 deletions
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38
openbsc/src/chan_alloc.c
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@ -35,6 +35,32 @@
static void auto_release_channel(void *_lchan);
static int ts_is_usable(struct gsm_bts_trx_ts *ts)
{
/* FIXME: How does this behave for BS-11 ? */
if (is_ipaccess_bts(ts->trx->bts)) {
if (ts->nm_state.operational != NM_OPSTATE_ENABLED ||
ts->nm_state.availability != NM_AVSTATE_OK)
return 0;
}
return 1;
}
static int trx_is_usable(struct gsm_bts_trx *trx)
{
/* FIXME: How does this behave for BS-11 ? */
if (is_ipaccess_bts(trx->bts)) {
if (trx->nm_state.operational != NM_OPSTATE_ENABLED ||
trx->nm_state.availability != NM_AVSTATE_OK ||
trx->bb_transc.nm_state.operational != NM_OPSTATE_ENABLED ||
trx->bb_transc.nm_state.availability != NM_AVSTATE_OK)
return 0;
}
return 1;
}
struct gsm_bts_trx_ts *ts_c0_alloc(struct gsm_bts *bts,
enum gsm_phys_chan_config pchan)
{
@ -63,6 +89,9 @@ struct gsm_bts_trx_ts *ts_alloc(struct gsm_bts *bts,
llist_for_each_entry(trx, &bts->trx_list, list) {
int from, to;
if (!trx_is_usable(trx))
continue;
/* the following constraints are pure policy,
* no requirement to put this restriction in place */
if (trx == bts->c0) {
@ -97,6 +126,10 @@ struct gsm_bts_trx_ts *ts_alloc(struct gsm_bts *bts,
for (j = from; j <= to; j++) {
struct gsm_bts_trx_ts *ts = &trx->ts[j];
if (!ts_is_usable(ts))
continue;
if (ts->pchan == GSM_PCHAN_NONE) {
ts->pchan = pchan;
/* set channel attribute on OML */
@ -130,8 +163,13 @@ _lc_find_trx(struct gsm_bts_trx *trx, enum gsm_phys_chan_config pchan)
struct gsm_bts_trx_ts *ts;
int j, ss;
if (!trx_is_usable(trx))
return NULL;
for (j = 0; j < 8; j++) {
ts = &trx->ts[j];
if (!ts_is_usable(ts))
continue;
if (ts->pchan != pchan)
continue;
/* check if all sub-slots are allocated yet */