i40e: fix mac address checking

Remove custom i40e functions around ethernet addresses that are
duplicating already existing kernel functionality.

Also ends up fixing a bug with multicast addresses.

Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

3 files changed, 1 insertions, 29 deletions

diff --git a/drivers/net/ethernet/intel/i40e/i40e_common.c b/drivers/net/ethernet/intel/i40e/i40e_common.c
index d84fca1b3f28..e5694b9f4e95 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_common.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_common.c
@@ -240,33 +240,6 @@ i40e_status i40e_get_mac_addr(struct i40e_hw *hw, u8 *mac_addr)
 }
 
 /**
- * i40e_validate_mac_addr - Validate MAC address
- * @mac_addr: pointer to MAC address
- *
- * Tests a MAC address to ensure it is a valid Individual Address
- **/
-i40e_status i40e_validate_mac_addr(u8 *mac_addr)
-{
-        i40e_status status = 0;
-
-        /* Make sure it is not a multicast address */
-        if (I40E_IS_MULTICAST(mac_addr)) {
-                hw_dbg(hw, "MAC address is multicast\n");
-                status = I40E_ERR_INVALID_MAC_ADDR;
-        /* Not a broadcast address */
-        } else if (I40E_IS_BROADCAST(mac_addr)) {
-                hw_dbg(hw, "MAC address is broadcast\n");
-                status = I40E_ERR_INVALID_MAC_ADDR;
-        /* Reject the zero address */
-        } else if (mac_addr[0] == 0 && mac_addr[1] == 0 && mac_addr[2] == 0 &&
-                   mac_addr[3] == 0 && mac_addr[4] == 0 && mac_addr[5] == 0) {
-                hw_dbg(hw, "MAC address is all zeros\n");
-                status = I40E_ERR_INVALID_MAC_ADDR;
-        }
-        return status;
-}
-
-/**
  * i40e_get_media_type - Gets media type
  * @hw: pointer to the hardware structure
  **/
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index d5719bd9d5ee..e48e1c8da4c0 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -7644,7 +7644,7 @@ static int i40e_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
         }
 
         i40e_get_mac_addr(hw, hw->mac.addr);
-        if (i40e_validate_mac_addr(hw->mac.addr)) {
+        if (!is_valid_ether_addr(hw->mac.addr)) {
                 dev_info(&pdev->dev, "invalid MAC address %pM\n", hw->mac.addr);
                 err = -EIO;
                 goto err_mac_addr;
diff --git a/drivers/net/ethernet/intel/i40e/i40e_prototype.h b/drivers/net/ethernet/intel/i40e/i40e_prototype.h
index 0b6e9fc9fb1f..800f3c816284 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_prototype.h
+++ b/drivers/net/ethernet/intel/i40e/i40e_prototype.h
@@ -205,7 +205,6 @@ void i40e_clear_pxe_mode(struct i40e_hw *hw);
 bool i40e_get_link_status(struct i40e_hw *hw);
 i40e_status i40e_get_mac_addr(struct i40e_hw *hw,
                                                 u8 *mac_addr);
-i40e_status i40e_validate_mac_addr(u8 *mac_addr);
 i40e_status i40e_read_lldp_cfg(struct i40e_hw *hw,
                                         struct i40e_lldp_variables *lldp_cfg);
 /* prototype for functions used for NVM access */