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Commit 6538ee62 authored by Akeem G. Abodunrin's avatar Akeem G. Abodunrin Committed by Jeff Kirsher
Browse files

igb: Alternate MAC Address EEPROM Updates 



This code check word 0x37 in the EEPROM, if it is 0xFFFF _or_ 0x0000, then
there is no Alternate MAC Address in the EEPROM.

Signed-off-by: default avatar"Akeem G. Abodunrin" <akeem.g.abodunrin@intel.com>
Tested-by: default avatarAaron Brown <aaron.f.brown@intel.com>
Signed-off-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
parent 76d06521

drivers/net/ethernet/intel/igb/e1000_mac.c

+2 −2
Original line number Original line Diff line number Diff line
@@ -198,10 +198,10 @@ s32 igb_check_alt_mac_addr(struct e1000_hw *hw) 
		goto out;

		goto out;

	}

	}





	if (nvm_alt_mac_addr_offset == 0xFFFF) {

	if ((nvm_alt_mac_addr_offset == 0xFFFF) ||

	    (nvm_alt_mac_addr_offset == 0x0000))

		/* There is no Alternate MAC Address */

		/* There is no Alternate MAC Address */

		goto out;

		goto out;

	}





	if (hw->bus.func == E1000_FUNC_1)

	if (hw->bus.func == E1000_FUNC_1)

		nvm_alt_mac_addr_offset += E1000_ALT_MAC_ADDRESS_OFFSET_LAN1;

		nvm_alt_mac_addr_offset += E1000_ALT_MAC_ADDRESS_OFFSET_LAN1;