diff options
| author | Casey Leedom <leedom@chelsio.com> | 2010-07-08 10:05:48 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-07-08 23:48:35 -0700 |
| commit | 68dc9d36c19aa1fd1633427b419d5e1f44753e8a (patch) | |
| tree | 4773c01ce4f53445e961ce1256d9c59fccfeb9a2 /drivers/net/cxgb4vf/sge.c | |
| parent | fabc51a640b35a771b6c75d2186193fdaf25cf56 (diff) | |
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>
Diffstat (limited to 'drivers/net/cxgb4vf/sge.c')
| -rw-r--r-- | drivers/net/cxgb4vf/sge.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/cxgb4vf/sge.c b/drivers/net/cxgb4vf/sge.c index 4bc1858dc30..37c6354547c 100644 --- a/drivers/net/cxgb4vf/sge.c +++ b/drivers/net/cxgb4vf/sge.c @@ -1772,6 +1772,9 @@ static int napi_rx_handler(struct napi_struct *napi, int budget) } 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) | |