505 	/* Configure Flow Control now that Auto-Neg has completed.  in igc_check_for_copper_link_generic()
506 	 * First, we need to restore the desired flow control  in igc_check_for_copper_link_generic()
512 		DEBUGOUT("Error configuring flow control\n");  in igc_check_for_copper_link_generic()
518  *  igc_setup_link_generic - Setup flow control and link settings
521  *  Determines which flow control settings to use, then configures flow
539 	/* If requested flow control is set to default, set flow control  in igc_setup_link_generic()
546 	/* Save off the requested flow control mode for use later.  Depending  in igc_setup_link_generic()
559 	/* Initialize the flow control address, type, and PAUSE timer  in igc_setup_link_generic()
560 	 * registers to their default values.  This is done even if flow  in igc_setup_link_generic()
564 	DEBUGOUT("Initializing the Flow Control address, type and timer regs\n");  in igc_setup_link_generic()
597  *  igc_set_fc_watermarks_generic - Set flow control high/low watermarks
600  *  Sets the flow control high/low threshold (watermark) registers.  If
601  *  flow control XON frame transmission is enabled, then set XON frame
610 	/* Set the flow control receive threshold registers.  Normally,  in igc_set_fc_watermarks_generic()
634  *  igc_force_mac_fc_generic - Force the MAC's flow control settings
637  *  Force the MAC's flow control settings.  Sets the TFCE and RFCE bits in the
654 	 * receive flow control.  in igc_force_mac_fc_generic()
656 	 * The "Case" statement below enables/disable flow control  in igc_force_mac_fc_generic()
660 	 *      0:  Flow control is completely disabled  in igc_force_mac_fc_generic()
661 	 *      1:  Rx flow control is enabled (we can receive pause  in igc_force_mac_fc_generic()
663 	 *      2:  Tx flow control is enabled (we can send pause frames  in igc_force_mac_fc_generic()
665 	 *      3:  Both Rx and Tx flow control (symmetric) is enabled.  in igc_force_mac_fc_generic()
686 		DEBUGOUT("Flow control param set incorrectly\n");  in igc_force_mac_fc_generic()
696  *  igc_config_fc_after_link_up_generic - Configures flow control after link
701  *  flow control needs to be forced also.  If auto-negotiation is enabled
702  *  and did not fail, then we configure flow control based on our link
715 		DEBUGOUT("Error forcing flow control settings\n");  in igc_config_fc_after_link_up_generic()
722 	 * flow control configured.  in igc_config_fc_after_link_up_generic()
745 		 * flow control was negotiated.  in igc_config_fc_after_link_up_generic()
758 		 * Page Ability Register (Address 5) determine flow control  in igc_config_fc_after_link_up_generic()
761 		 * 1999, describes these PAUSE resolution bits and how flow  in igc_config_fc_after_link_up_generic()
778 		 * Symmetric Flow Control is enabled at both ends.  The  in igc_config_fc_after_link_up_generic()
781 		 * For Symmetric Flow Control:  in igc_config_fc_after_link_up_generic()
793 			 * FULL flow control because we could not advertise Rx  in igc_config_fc_after_link_up_generic()
799 				DEBUGOUT("Flow Control = FULL.\n");  in igc_config_fc_after_link_up_generic()
802 				DEBUGOUT("Flow Control = Rx PAUSE frames only.\n");  in igc_config_fc_after_link_up_generic()
817 			DEBUGOUT("Flow Control = Tx PAUSE frames only.\n");  in igc_config_fc_after_link_up_generic()
831 			DEBUGOUT("Flow Control = Rx PAUSE frames only.\n");  in igc_config_fc_after_link_up_generic()
833 			/* Per the IEEE spec, at this point flow control  in igc_config_fc_after_link_up_generic()
837 			DEBUGOUT("Flow Control = NONE.\n");  in igc_config_fc_after_link_up_generic()
841 		 * negotiated to HALF DUPLEX, flow control should not be  in igc_config_fc_after_link_up_generic()
854 		 * controller to use the correct flow control settings.  in igc_config_fc_after_link_up_generic()
858 			DEBUGOUT("Error forcing flow control settings\n");  in igc_config_fc_after_link_up_generic()