762 	/* Configure Flow Control now that Auto-Neg has completed.  in e1000_check_for_copper_link_generic()
763 	 * First, we need to restore the desired flow control  in e1000_check_for_copper_link_generic()
769 		DEBUGOUT("Error configuring flow control\n");  in e1000_check_for_copper_link_generic()
819 		/* Configure Flow Control after forcing link up. */  in e1000_check_for_fiber_link_generic()
822 			DEBUGOUT("Error configuring flow control\n");  in e1000_check_for_fiber_link_generic()
884 		/* Configure Flow Control after forcing link up. */  in e1000_check_for_serdes_link_generic()
887 			DEBUGOUT("Error configuring flow control\n");  in e1000_check_for_serdes_link_generic()
948  *  e1000_set_default_fc_generic - Set flow control default values
951  *  Read the EEPROM for the default values for flow control and store the
963 	 * that determine the hardware's default PAUSE (flow control) mode,  in e1000_set_default_fc_generic()
966 	 * SW defined pins. If there is no SW over-ride of the flow  in e1000_set_default_fc_generic()
1000  *  e1000_setup_link_generic - Setup flow control and link settings
1003  *  Determines which flow control settings to use, then configures flow
1021 	/* If requested flow control is set to default, set flow control  in e1000_setup_link_generic()
1022 	 * based on the EEPROM flow control settings.  in e1000_setup_link_generic()
1030 	/* Save off the requested flow control mode for use later.  Depending  in e1000_setup_link_generic()
1043 	/* Initialize the flow control address, type, and PAUSE timer  in e1000_setup_link_generic()
1044 	 * registers to their default values.  This is done even if flow  in e1000_setup_link_generic()
1048 	DEBUGOUT("Initializing the Flow Control address, type and timer regs\n");  in e1000_setup_link_generic()
1059  *  e1000_commit_fc_settings_generic - Configure flow control
1062  *  Write the flow control settings to the Transmit Config Word Register (TXCW)
1063  *  base on the flow control settings in e1000_mac_info.
1072 	/* Check for a software override of the flow control settings, and  in e1000_commit_fc_settings_generic()
1077 	 * software will have to manually configure the two flow control enable  in e1000_commit_fc_settings_generic()
1081 	 *      0:  Flow control is completely disabled  in e1000_commit_fc_settings_generic()
1082 	 *      1:  Rx flow control is enabled (we can receive pause frames,  in e1000_commit_fc_settings_generic()
1084 	 *      2:  Tx flow control is enabled (we can send pause frames but we  in e1000_commit_fc_settings_generic()
1086 	 *      3:  Both Rx and Tx flow control (symmetric) are enabled.  in e1000_commit_fc_settings_generic()
1090 		/* Flow control completely disabled by a software over-ride. */  in e1000_commit_fc_settings_generic()
1094 		/* Rx Flow control is enabled and Tx Flow control is disabled  in e1000_commit_fc_settings_generic()
1104 		/* Tx Flow control is enabled, and Rx Flow control is disabled,  in e1000_commit_fc_settings_generic()
1110 		/* Flow control (both Rx and Tx) is enabled by a software  in e1000_commit_fc_settings_generic()
1116 		DEBUGOUT("Flow control param set incorrectly\n");  in e1000_commit_fc_settings_generic()
1180  *  Configures collision distance and flow control for fiber and serdes
1204 	 * then the link-up status bit will be set and the flow control enable  in e1000_setup_fiber_serdes_link_generic()
1250  *  e1000_set_fc_watermarks_generic - Set flow control high/low watermarks
1253  *  Sets the flow control high/low threshold (watermark) registers.  If
1254  *  flow control XON frame transmission is enabled, then set XON frame
1263 	/* Set the flow control receive threshold registers.  Normally,  in e1000_set_fc_watermarks_generic()
1287  *  e1000_force_mac_fc_generic - Force the MAC's flow control settings
1290  *  Force the MAC's flow control settings.  Sets the TFCE and RFCE bits in the
1307 	 * receive flow control.  in e1000_force_mac_fc_generic()
1309 	 * The "Case" statement below enables/disable flow control  in e1000_force_mac_fc_generic()
1313 	 *      0:  Flow control is completely disabled  in e1000_force_mac_fc_generic()
1314 	 *      1:  Rx flow control is enabled (we can receive pause  in e1000_force_mac_fc_generic()
1316 	 *      2:  Tx flow control is enabled (we can send pause frames  in e1000_force_mac_fc_generic()
1318 	 *      3:  Both Rx and Tx flow control (symmetric) is enabled.  in e1000_force_mac_fc_generic()
1339 		DEBUGOUT("Flow control param set incorrectly\n");  in e1000_force_mac_fc_generic()
1349  *  e1000_config_fc_after_link_up_generic - Configures flow control after link
1354  *  flow control needs to be forced also.  If auto-negotiation is enabled
1355  *  and did not fail, then we configure flow control based on our link
1382 		DEBUGOUT("Error forcing flow control settings\n");  in e1000_config_fc_after_link_up_generic()
1389 	 * flow control configured.  in e1000_config_fc_after_link_up_generic()
1412 		 * flow control was negotiated.  in e1000_config_fc_after_link_up_generic()
1425 		 * Page Ability Register (Address 5) determine flow control  in e1000_config_fc_after_link_up_generic()
1428 		 * 1999, describes these PAUSE resolution bits and how flow  in e1000_config_fc_after_link_up_generic()
1445 		 * Symmetric Flow Control is enabled at both ends.  The  in e1000_config_fc_after_link_up_generic()
1448 		 * For Symmetric Flow Control:  in e1000_config_fc_after_link_up_generic()
1460 			 * FULL flow control because we could not advertise Rx  in e1000_config_fc_after_link_up_generic()
1466 				DEBUGOUT("Flow Control = FULL.\n");  in e1000_config_fc_after_link_up_generic()
1469 				DEBUGOUT("Flow Control = Rx PAUSE frames only.\n");  in e1000_config_fc_after_link_up_generic()
1484 			DEBUGOUT("Flow Control = Tx PAUSE frames only.\n");  in e1000_config_fc_after_link_up_generic()
1498 			DEBUGOUT("Flow Control = Rx PAUSE frames only.\n");  in e1000_config_fc_after_link_up_generic()
1500 			/* Per the IEEE spec, at this point flow control  in e1000_config_fc_after_link_up_generic()
1504 			DEBUGOUT("Flow Control = NONE.\n");  in e1000_config_fc_after_link_up_generic()
1508 		 * negotiated to HALF DUPLEX, flow control should not be  in e1000_config_fc_after_link_up_generic()
1521 		 * controller to use the correct flow control settings.  in e1000_config_fc_after_link_up_generic()
1525 			DEBUGOUT("Error forcing flow control settings\n");  in e1000_config_fc_after_link_up_generic()
1533 	 * flow control configured.  in e1000_config_fc_after_link_up_generic()
1551 		 * flow control was negotiated.  in e1000_config_fc_after_link_up_generic()
1558 		 * Page Ability Register (PCS_LPAB) determine flow control  in e1000_config_fc_after_link_up_generic()
1561 		 * 1999, describes these PAUSE resolution bits and how flow  in e1000_config_fc_after_link_up_generic()
1578 		 * Symmetric Flow Control is enabled at both ends.  The  in e1000_config_fc_after_link_up_generic()
1581 		 * For Symmetric Flow Control:  in e1000_config_fc_after_link_up_generic()
1593 			 * FULL flow control because we could not advertise Rx  in e1000_config_fc_after_link_up_generic()
1599 				DEBUGOUT("Flow Control = FULL.\n");  in e1000_config_fc_after_link_up_generic()
1602 				DEBUGOUT("Flow Control = Rx PAUSE frames only.\n");  in e1000_config_fc_after_link_up_generic()
1617 			DEBUGOUT("Flow Control = Tx PAUSE frames only.\n");  in e1000_config_fc_after_link_up_generic()
1631 			DEBUGOUT("Flow Control = Rx PAUSE frames only.\n");  in e1000_config_fc_after_link_up_generic()
1633 			/* Per the IEEE spec, at this point flow control  in e1000_config_fc_after_link_up_generic()
1637 			DEBUGOUT("Flow Control = NONE.\n");  in e1000_config_fc_after_link_up_generic()
1641 		 * controller to use the correct flow control settings.  in e1000_config_fc_after_link_up_generic()
1649 			DEBUGOUT("Error forcing flow control settings\n");  in e1000_config_fc_after_link_up_generic()