[statistics] Keep track of rf failures and rll release failures
Add two new counters to count the RF Failures and the RLL Release
failure and make them available via the vty interface.
diff --git a/openbsc/src/gsm_data.c b/openbsc/src/gsm_data.c
index 176367d..f837c27 100644
--- a/openbsc/src/gsm_data.c
+++ b/openbsc/src/gsm_data.c
@@ -280,6 +280,8 @@
net->stats.call.dialled = counter_alloc("net.call.dialled");
net->stats.call.alerted = counter_alloc("net.call.alerted");
net->stats.call.connected = counter_alloc("net.call.connected");
+ net->stats.chan.rf_fail = counter_alloc("net.chan.rf_fail");
+ net->stats.chan.rll_err = counter_alloc("net.chan.rll_err");
net->mncc_recv = mncc_recv;