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authorAlexander Duyck <alexander.h.duyck@intel.com>2017-11-14 07:00:45 -0500
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>2018-01-10 12:41:21 -0800
commitf23735aa45f3a5cb301342a4f51be69f22d4aa85 (patch)
tree8ef90aa89033c491a9fb5b8bebfb67abca04a8e2 /drivers/net/ethernet/intel
parent498860cfee20f36a243903f6c05da34a476210ca (diff)
downloadlinux-f23735aa45f3a5cb301342a4f51be69f22d4aa85.tar.bz2
i40evf: Clean-up flags for promisc mode to avoid high polling rate
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> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/ethernet/intel')
-rw-r--r--drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c b/drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c
index 2719a057b211..feb95b62a077 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");
}