paging: Introduce a GSM_PAGING_BUSY event for a special timeout
Start counting the attempts of each paging request and call
the callback with the PAGING_BUSY type when the paging request
timed out but the subscriber was not paged at all. This can
only happen with a huge paging backlog.
In case the system has so many pending paging
diff --git a/openbsc/src/gsm_04_08.c b/openbsc/src/gsm_04_08.c
index 42dd1b7..92da6cc 100644
--- a/openbsc/src/gsm_04_08.c
+++ b/openbsc/src/gsm_04_08.c
@@ -1409,6 +1409,7 @@
gsm48_cc_tx_setup(transt, &transt->cc.msg);
break;
case GSM_PAGING_EXPIRED:
+ case GSM_PAGING_BUSY:
DEBUGP(DCC, "Paging subscr %s expired!\n",
subscr->extension);
/* Temporarily out of order */