diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c index 02c11a7f7d29..e3e4df0ee78b 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c +++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c @@ -29,6 +29,24 @@ /***********************misc routines*****************************/ /** + * i40e_vc_disable_vf + * @pf: pointer to the pf info + * @vf: pointer to the vf info + * + * Disable the VF through a SW reset + **/ +static inline void i40e_vc_disable_vf(struct i40e_pf *pf, struct i40e_vf *vf) +{ + struct i40e_hw *hw = &pf->hw; + u32 reg; + + reg = rd32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id)); + reg |= I40E_VPGEN_VFRTRIG_VFSWR_MASK; + wr32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id), reg); + i40e_flush(hw); +} + +/** * i40e_vc_isvalid_vsi_id * @vf: pointer to the vf info * @vsi_id: vf relative vsi id @@ -2088,10 +2106,16 @@ int i40e_ndo_set_vf_port_vlan(struct net_device *netdev, goto error_pvid; } - if (vsi->info.pvid == 0 && i40e_is_vsi_in_vlan(vsi)) + if (vsi->info.pvid == 0 && i40e_is_vsi_in_vlan(vsi)) { dev_err(&pf->pdev->dev, "VF %d has already configured VLAN filters and the administrator is requesting a port VLAN override.\nPlease unload and reload the VF driver for this change to take effect.\n", vf_id); + /* Administrator Error - knock the VF offline until he does + * the right thing by reconfiguring his network correctly + * and then reloading the VF driver. + */ + i40e_vc_disable_vf(pf, vf); + } /* Check for condition where there was already a port VLAN ID * filter set and now it is being deleted by setting it to zero. |