introduce new counter rlc_sent_dummy

rlc_sent_dummy count the amount of dummy package which are
sent in case no data packet is in the queue.

Change-Id: Ia60eab853d9145980f30d63e4ce4b520b8c51381
Reviewed-on: https://gerrit.osmocom.org/85
Tested-by: Jenkins Builder
Reviewed-by: Holger Freyther <holger@freyther.de>
diff --git a/src/bts.h b/src/bts.h
index c975304..829e3c2 100644
--- a/src/bts.h
+++ b/src/bts.h
@@ -233,6 +233,7 @@
 		CTR_RLC_ACK_FAILED,
 		CTR_RLC_REL_TIMEDOUT,
 		CTR_RLC_LATE_BLOCK,
+		CTR_RLC_SENT_DUMMY,
 		CTR_DECODE_ERRORS,
 		CTR_SBA_ALLOCATED,
 		CTR_SBA_FREED,
@@ -309,6 +310,7 @@
 	void rlc_ack_failed();
 	void rlc_rel_timedout();
 	void rlc_late_block();
+	void rlc_sent_dummy();
 	void decode_error();
 	void sba_allocated();
 	void sba_freed();
@@ -449,6 +451,7 @@
 CREATE_COUNT_INLINE(rlc_ack_failed, CTR_RLC_ACK_FAILED);
 CREATE_COUNT_INLINE(rlc_rel_timedout, CTR_RLC_REL_TIMEDOUT);
 CREATE_COUNT_INLINE(rlc_late_block, CTR_RLC_LATE_BLOCK);
+CREATE_COUNT_INLINE(rlc_sent_dummy, CTR_RLC_SENT_DUMMY);
 CREATE_COUNT_INLINE(decode_error, CTR_DECODE_ERRORS)
 CREATE_COUNT_INLINE(sba_allocated, CTR_SBA_ALLOCATED)
 CREATE_COUNT_INLINE(sba_freed, CTR_SBA_FREED)