Message ID | 20171114120052.86665-2-alice.michael@intel.com |
---|---|
State | Accepted |
Delegated to: | Jeff Kirsher |
Headers | show |
Series | [next,S82-V4,1/9] i40evf: Do not clear MSI-X PBA manually | expand |
> -----Original Message----- > From: Intel-wired-lan [mailto:intel-wired-lan-bounces@osuosl.org] On > Behalf Of Alice Michael > Sent: Tuesday, November 14, 2017 4:01 AM > To: Michael, Alice <alice.michael@intel.com>; intel-wired- > lan@lists.osuosl.org > Subject: [Intel-wired-lan] [next PATCH S82-V4 2/9] i40evf: Clean-up flags for > promisc mode to avoid high polling rate > > From: Alexander Duyck <alexander.h.duyck@intel.com> > > If you enabled and disabled promiscuous mode on a VF you could easily put it > into a state where it would start firing interrupts on all queues at a rate of 50+ > interrupts per second even though there was no traffic present. > The issue seems to have been a stray admin queue feature flag set that was > leaving us in a high polling rate for the adminq task. > > Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> > --- > drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c | 6 ++++-- > 1 file changed, 4 insertions(+), 2 deletions(-) Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
diff --git a/drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c b/drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c index 2719a05..feb95b6 100644 --- a/drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c +++ b/drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c @@ -739,8 +739,10 @@ void i40evf_set_promiscuous(struct i40evf_adapter *adapter, int flags) } if (!flags) { - adapter->flags &= ~I40EVF_FLAG_PROMISC_ON; - adapter->aq_required &= ~I40EVF_FLAG_AQ_RELEASE_PROMISC; + adapter->flags &= ~(I40EVF_FLAG_PROMISC_ON | + I40EVF_FLAG_ALLMULTI_ON); + adapter->aq_required &= ~(I40EVF_FLAG_AQ_RELEASE_PROMISC | + I40EVF_FLAG_AQ_RELEASE_ALLMULTI); dev_info(&adapter->pdev->dev, "Leaving promiscuous mode\n"); }