cxgb4vf: Implement "Unhandled Interrupts" statistic
Implement "Unhandled Interrupts" statistic so we can detect when the
hardware tells us that it things we have work to do but we don't find
anything ...
Signed-off-by: Casey Leedom <leedom@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/cxgb4vf/sge.c b/drivers/net/cxgb4vf/sge.c
index 4bc1858..37c6354 100644
--- a/drivers/net/cxgb4vf/sge.c
+++ b/drivers/net/cxgb4vf/sge.c
@@ -1772,6 +1772,9 @@
} else
intr_params = QINTR_TIMER_IDX(SGE_TIMER_UPD_CIDX);
+ if (unlikely(work_done == 0))
+ rspq->unhandled_irqs++;
+
t4_write_reg(rspq->adapter,
T4VF_SGE_BASE_ADDR + SGE_VF_GTS,
CIDXINC(work_done) |