58 /* User Specified Duplex Override
61  *  - 0 - auto-negotiate for duplex
62  *  - 1 - only link at half duplex
63  *  - 2 - only link at full duplex
67 E1000_PARAM(Duplex, "Duplex setting");
73  * The AutoNeg value is a bit mask describing which speed and duplex
75  * The supported speed and duplex modes are listed below
79  * Duplex                    Full          Full  Half  Full   Half
510  * Handles speed and duplex options on fiber adapters
521 		e_dev_info("Duplex not valid for fiber adapters, parameter "  in e1000_check_fiber_options()
535  * Handles speed and duplex options on copper adapters
566 	{ /* Duplex */  in e1000_check_copper_options()
574 			.name = "Duplex",  in e1000_check_copper_options()
582 			dplx = Duplex[bd];  in e1000_check_copper_options()
590 		e_dev_info("AutoNeg specified along with Speed or Duplex, "  in e1000_check_copper_options()
650 			e_dev_info("Speed and duplex autonegotiation "  in e1000_check_copper_options()
654 		e_dev_info("Half Duplex specified without Speed\n");  in e1000_check_copper_options()
655 		e_dev_info("Using Autonegotiation at Half Duplex only\n");  in e1000_check_copper_options()
661 		e_dev_info("Full Duplex specified without Speed\n");  in e1000_check_copper_options()
662 		e_dev_info("Using Autonegotiation at Full Duplex only\n");  in e1000_check_copper_options()
669 		e_dev_info("10 Mbps Speed specified without Duplex\n");  in e1000_check_copper_options()
676 		e_dev_info("Forcing to 10 Mbps Half Duplex\n");  in e1000_check_copper_options()
682 		e_dev_info("Forcing to 10 Mbps Full Duplex\n");  in e1000_check_copper_options()
688 		e_dev_info("100 Mbps Speed specified without Duplex\n");  in e1000_check_copper_options()
695 		e_dev_info("Forcing to 100 Mbps Half Duplex\n");  in e1000_check_copper_options()
701 		e_dev_info("Forcing to 100 Mbps Full Duplex\n");  in e1000_check_copper_options()
707 		e_dev_info("1000 Mbps Speed specified without Duplex\n");  in e1000_check_copper_options()
710 		e_dev_info("Half Duplex is not supported at 1000 Mbps\n");  in e1000_check_copper_options()
714 		e_dev_info("Using Autonegotiation at 1000 Mbps Full Duplex "  in e1000_check_copper_options()