710 	/* Initialize the flow control address, type, and PAUSE timer  in igb_setup_link()
765 	 * ability to transmit pause frames is not enabled, then these  in igb_set_fc_watermarks()
797 	 * that determine the hardware's default PAUSE (flow control) mode,  in igb_set_default_fc()
854 	 *      1:  Rx flow control is enabled (we can receive pause  in igb_force_mac_fc()
855 	 *          frames but not send pause frames).  in igb_force_mac_fc()
856 	 *      2:  Tx flow control is enabled (we can send pause frames  in igb_force_mac_fc()
857 	 *          but we do not receive pause frames).  in igb_force_mac_fc()
969 		 * 1999, describes these PAUSE resolution bits and how flow  in igb_config_fc_after_link_up()
974 		 * PAUSE | ASM_DIR | PAUSE | ASM_DIR | NIC Resolution  in igb_config_fc_after_link_up()
985 		 * Are both PAUSE bits set to 1?  If so, this implies  in igb_config_fc_after_link_up()
992 		 * PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result  in igb_config_fc_after_link_up()
1000 			 * of pause frames.  In this case, we had to advertise  in igb_config_fc_after_link_up()
1003 			 * turn OFF  the TRANSMISSION of PAUSE frames.  in igb_config_fc_after_link_up()
1010 				hw_dbg("Flow Control = RX PAUSE frames only.\n");  in igb_config_fc_after_link_up()
1013 		/* For receiving PAUSE frames ONLY.  in igb_config_fc_after_link_up()
1016 		 * PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result  in igb_config_fc_after_link_up()
1025 			hw_dbg("Flow Control = TX PAUSE frames only.\n");  in igb_config_fc_after_link_up()
1027 		/* For transmitting PAUSE frames ONLY.  in igb_config_fc_after_link_up()
1030 		 * PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result  in igb_config_fc_after_link_up()
1039 			hw_dbg("Flow Control = RX PAUSE frames only.\n");  in igb_config_fc_after_link_up()
1047 		 * receive capability (Rx Pause Only or Full Flow Control)  in igb_config_fc_after_link_up()
1052 		 * harm done since we won't be receiving any PAUSE frames  in igb_config_fc_after_link_up()
1055 		 * can at least receive pause frames and process them.  in igb_config_fc_after_link_up()
1059 		 * our link partner to pause transmission of frames.  in igb_config_fc_after_link_up()
1068 			hw_dbg("Flow Control = RX PAUSE frames only.\n");  in igb_config_fc_after_link_up()
1124 		 * 1999, describes these PAUSE resolution bits and how flow  in igb_config_fc_after_link_up()
1129 		 * PAUSE | ASM_DIR | PAUSE | ASM_DIR | NIC Resolution  in igb_config_fc_after_link_up()
1140 		 * Are both PAUSE bits set to 1?  If so, this implies  in igb_config_fc_after_link_up()
1147 		 * PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result  in igb_config_fc_after_link_up()
1155 			 * of pause frames.  In this case, we had to advertise  in igb_config_fc_after_link_up()
1158 			 * turn OFF the TRANSMISSION of PAUSE frames.  in igb_config_fc_after_link_up()
1165 				hw_dbg("Flow Control = Rx PAUSE frames only.\n");  in igb_config_fc_after_link_up()
1168 		/* For receiving PAUSE frames ONLY.  in igb_config_fc_after_link_up()
1171 		 * PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result  in igb_config_fc_after_link_up()
1180 			hw_dbg("Flow Control = Tx PAUSE frames only.\n");  in igb_config_fc_after_link_up()
1182 		/* For transmitting PAUSE frames ONLY.  in igb_config_fc_after_link_up()
1185 		 * PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result  in igb_config_fc_after_link_up()
1194 			hw_dbg("Flow Control = Rx PAUSE frames only.\n");  in igb_config_fc_after_link_up()