678 	/* Initialize the flow control address, type, and PAUSE timer  in igb_setup_link()
734 	 * ability to transmit pause frames is not enabled, then these  in igb_set_fc_watermarks()
768 	 * that determine the hardware's default PAUSE (flow control) mode,  in igb_set_default_fc()
825 	 *      1:  Rx flow control is enabled (we can receive pause  in igb_force_mac_fc()
826 	 *          frames but not send pause frames).  in igb_force_mac_fc()
827 	 *      2:  Tx flow control is enabled (we can send pause frames  in igb_force_mac_fc()
828 	 *          frames but we do not receive pause frames).  in igb_force_mac_fc()
940 		 * 1999, describes these PAUSE resolution bits and how flow  in igb_config_fc_after_link_up()
945 		 * PAUSE | ASM_DIR | PAUSE | ASM_DIR | NIC Resolution  in igb_config_fc_after_link_up()
956 		 * Are both PAUSE bits set to 1?  If so, this implies  in igb_config_fc_after_link_up()
963 		 * PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result  in igb_config_fc_after_link_up()
971 			 * of pause frames.  In this case, we had to advertise  in igb_config_fc_after_link_up()
974 			 * turn OFF  the TRANSMISSION of PAUSE frames.  in igb_config_fc_after_link_up()
981 				hw_dbg("Flow Control = RX PAUSE frames only.\n");  in igb_config_fc_after_link_up()
984 		/* For receiving PAUSE frames ONLY.  in igb_config_fc_after_link_up()
987 		 * PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result  in igb_config_fc_after_link_up()
996 			hw_dbg("Flow Control = TX PAUSE frames only.\n");  in igb_config_fc_after_link_up()
998 		/* For transmitting PAUSE frames ONLY.  in igb_config_fc_after_link_up()
1001 		 * PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result  in igb_config_fc_after_link_up()
1010 			hw_dbg("Flow Control = RX PAUSE frames only.\n");  in igb_config_fc_after_link_up()
1018 		 * receive capability (Rx Pause Only or Full Flow Control)  in igb_config_fc_after_link_up()
1023 		 * harm done since we won't be receiving any PAUSE frames  in igb_config_fc_after_link_up()
1026 		 * can at least receive pause frames and process them.  in igb_config_fc_after_link_up()
1030 		 * our link partner to pause transmission of frames.  in igb_config_fc_after_link_up()
1039 			hw_dbg("Flow Control = RX PAUSE frames only.\n");  in igb_config_fc_after_link_up()
1095 		 * 1999, describes these PAUSE resolution bits and how flow  in igb_config_fc_after_link_up()
1100 		 * PAUSE | ASM_DIR | PAUSE | ASM_DIR | NIC Resolution  in igb_config_fc_after_link_up()
1111 		 * Are both PAUSE bits set to 1?  If so, this implies  in igb_config_fc_after_link_up()
1118 		 * PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result  in igb_config_fc_after_link_up()
1126 			 * of pause frames.  In this case, we had to advertise  in igb_config_fc_after_link_up()
1129 			 * turn OFF the TRANSMISSION of PAUSE frames.  in igb_config_fc_after_link_up()
1136 				hw_dbg("Flow Control = Rx PAUSE frames only.\n");  in igb_config_fc_after_link_up()
1139 		/* For receiving PAUSE frames ONLY.  in igb_config_fc_after_link_up()
1142 		 * PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result  in igb_config_fc_after_link_up()
1151 			hw_dbg("Flow Control = Tx PAUSE frames only.\n");  in igb_config_fc_after_link_up()
1153 		/* For transmitting PAUSE frames ONLY.  in igb_config_fc_after_link_up()
1156 		 * PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result  in igb_config_fc_after_link_up()
1165 			hw_dbg("Flow Control = Rx PAUSE frames only.\n");  in igb_config_fc_after_link_up()