diff options
Diffstat (limited to 'openbsc/src/handover_logic.c')
| -rw-r--r-- | openbsc/src/handover_logic.c | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/openbsc/src/handover_logic.c b/openbsc/src/handover_logic.c index 94d3d0d1e..1bf048fed 100644 --- a/openbsc/src/handover_logic.c +++ b/openbsc/src/handover_logic.c @@ -97,9 +97,12 @@ int bsc_handover_start(struct gsm_lchan *old_lchan, struct gsm_bts *bts) DEBUGP(DHO, "(old_lchan on BTS %u, new BTS %u)\n", old_lchan->ts->trx->bts->nr, bts->nr); + counter_inc(bts->network->stats.handover.attempted); + new_lchan = lchan_alloc(bts, old_lchan->type); if (!new_lchan) { LOGP(DHO, LOGL_NOTICE, "No free channel\n"); + counter_inc(bts->network->stats.handover.no_channel); return -ENOSPC; } @@ -141,8 +144,10 @@ int bsc_handover_start(struct gsm_lchan *old_lchan, struct gsm_bts *bts) static void ho_T3103_cb(void *_ho) { struct bsc_handover *ho = _ho; + struct gsm_network *net = ho->new_lchan->ts->trx->bts->network; DEBUGP(DHO, "HO T3103 expired\n"); + counter_inc(net->stats.handover.timeout); lchan_free(ho->new_lchan); llist_del(&ho->list); @@ -203,6 +208,7 @@ static int ho_chan_activ_nack(struct gsm_lchan *new_lchan) /* GSM 04.08 HANDOVER COMPLETE has been received on new channel */ static int ho_gsm48_ho_compl(struct gsm_lchan *new_lchan) { + struct gsm_network *net = new_lchan->ts->trx->bts->network; struct bsc_handover *ho; ho = bsc_ho_by_new_lchan(new_lchan); @@ -211,6 +217,13 @@ static int ho_gsm48_ho_compl(struct gsm_lchan *new_lchan) return -ENODEV; } + LOGP(DHO, LOGL_INFO, "Subscriber %s HO from BTS %u->%u on ARFCN " + "%u->%u\n", subscr_name(ho->old_lchan->subscr), + ho->old_lchan->ts->trx->bts->nr, new_lchan->ts->trx->bts->nr, + ho->old_lchan->ts->trx->arfcn, new_lchan->ts->trx->arfcn); + + counter_inc(net->stats.handover.completed); + bsc_del_timer(&ho->T3103); /* update lchan pointer of transaction */ @@ -230,6 +243,7 @@ static int ho_gsm48_ho_compl(struct gsm_lchan *new_lchan) /* GSM 04.08 HANDOVER FAIL has been received */ static int ho_gsm48_ho_fail(struct gsm_lchan *old_lchan) { + struct gsm_network *net = old_lchan->ts->trx->bts->network; struct bsc_handover *ho; ho = bsc_ho_by_old_lchan(old_lchan); @@ -238,6 +252,8 @@ static int ho_gsm48_ho_fail(struct gsm_lchan *old_lchan) return -ENODEV; } + counter_inc(net->stats.handover.failed); + bsc_del_timer(&ho->T3103); llist_del(&ho->list); put_lchan(ho->new_lchan); @@ -269,8 +285,8 @@ static int ho_ipac_crcx_ack(struct gsm_lchan *new_lchan) ho = bsc_ho_by_new_lchan(new_lchan); if (!ho) { - LOGP(DHO, LOGL_ERROR, "unable to find HO record\n"); - return -ENODEV; + /* it is perfectly normal, we have CRCX even in non-HO cases */ + return 0; } if (ipacc_rtp_direct) { |