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Commit 5907cf6c authored by Patryk Małek's avatar Patryk Małek Committed by Jeff Kirsher
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i40e: Prevent deleting MAC address from VF when set by PF 



To prevent VF from deleting MAC address that was assigned by the
PF we need to check for that scenario when we try to delete a MAC
address from a VF.

Signed-off-by: default avatarPatryk Małek <patryk.malek@intel.com>
Tested-by: default avatarAndrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
parent babbcc60

drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c

+10 −0
Original line number Diff line number Diff line
@@ -2569,6 +2569,16 @@ static int i40e_vc_del_mac_addr_msg(struct i40e_vf *vf, u8 *msg, u16 msglen) 
			ret = I40E_ERR_INVALID_MAC_ADDR;

			goto error_param;

		}



		if (vf->pf_set_mac &&

		    ether_addr_equal(al->list[i].addr,

				     vf->default_lan_addr.addr)) {

			dev_err(&pf->pdev->dev,

				"MAC addr %pM has been set by PF, cannot delete it for VF %d, reset VF to change MAC addr\n",

				vf->default_lan_addr.addr, vf->vf_id);

			ret = I40E_ERR_PARAM;

			goto error_param;

		}

	}

	vsi = pf->vsi[vf->lan_vsi_idx];