diff options
| author |   Carolyn Wyborny <carolyn.wyborny@intel.com> | 2019-02-28 09:52:47 -0800 |
|---|---|---|
| committer |   Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2019-05-03 14:31:05 -0700 |
| commit | a7da7f16267b96cfd0bf753e1733080ef71e6b66 (patch) | |
| tree | c7a1c0de1f4fda1e72d609211f6df351847424de /drivers/net/ethernet/intel | |
| parent | Merge branch 'NXP-SJA1105-DSA-driver' (diff) | |
| download | linux-dev-a7da7f16267b96cfd0bf753e1733080ef71e6b66.tar.xz linux-dev-a7da7f16267b96cfd0bf753e1733080ef71e6b66.zip | |
i40e: Fix for allowing too many MDD events on VF
This patch changes the driver behavior when detecting a VF MDD event.
It now disables the VF after one event, which indicates a hw detected
problem in the VF. Before this change, the PF would allow a couple of
events before doing the reset.
Signed-off-by: Carolyn Wyborny <carolyn.wyborny@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/i40e/i40e_main.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index 65c2b9d2652b..b52a9d5644b8 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -9767,6 +9767,9 @@ static void i40e_handle_mdd_event(struct i40e_pf *pf) vf->num_mdd_events++; dev_info(&pf->pdev->dev, "TX driver issue detected on VF %d\n", i); + dev_info(&pf->pdev->dev, + "Use PF Control I/F to re-enable the VF\n"); + set_bit(I40E_VF_STATE_DISABLED, &vf->vf_states); } reg = rd32(hw, I40E_VP_MDET_RX(i)); @@ -9775,11 +9778,6 @@ static void i40e_handle_mdd_event(struct i40e_pf *pf) vf->num_mdd_events++; dev_info(&pf->pdev->dev, "RX driver issue detected on VF %d\n", i); - } - - if (vf->num_mdd_events > I40E_DEFAULT_NUM_MDD_EVENTS_ALLOWED) { - dev_info(&pf->pdev->dev, - "Too many MDD events on VF %d, disabled\n", i); dev_info(&pf->pdev->dev, "Use PF Control I/F to re-enable the VF\n"); set_bit(I40E_VF_STATE_DISABLED, &vf->vf_states); |