89 	 * ability to transmit pause frames is not enabled, then these  in igc_set_fc_watermarks()
130 	 * to the both 'rx' and 'tx' pause frames.  in igc_setup_link()
148 	/* Initialize the flow control address, type, and PAUSE timer  in igc_setup_link()
193 	 *      1:  Rx flow control is enabled (we can receive pause  in igc_force_mac_fc()
194 	 *          frames but not send pause frames).  in igc_force_mac_fc()
195 	 *      2:  Tx flow control is enabled (we can send pause frames  in igc_force_mac_fc()
196 	 *          but we do not receive pause frames).  in igc_force_mac_fc()
514 		 * 1999, describes these PAUSE resolution bits and how flow  in igc_config_fc_after_link_up()
519 		 * PAUSE | ASM_DIR | PAUSE | ASM_DIR | NIC Resolution  in igc_config_fc_after_link_up()
530 		 * Are both PAUSE bits set to 1?  If so, this implies  in igc_config_fc_after_link_up()
537 		 * PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result  in igc_config_fc_after_link_up()
545 			 * of pause frames.  In this case, we had to advertise  in igc_config_fc_after_link_up()
548 			 * turn OFF  the TRANSMISSION of PAUSE frames.  in igc_config_fc_after_link_up()
555 				hw_dbg("Flow Control = RX PAUSE frames only.\n");  in igc_config_fc_after_link_up()
559 		/* For receiving PAUSE frames ONLY.  in igc_config_fc_after_link_up()
562 		 * PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result  in igc_config_fc_after_link_up()
571 			hw_dbg("Flow Control = TX PAUSE frames only.\n");  in igc_config_fc_after_link_up()
573 		/* For transmitting PAUSE frames ONLY.  in igc_config_fc_after_link_up()
576 		 * PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result  in igc_config_fc_after_link_up()
585 			hw_dbg("Flow Control = RX PAUSE frames only.\n");  in igc_config_fc_after_link_up()
593 		 * receive capability (Rx Pause Only or Full Flow Control)  in igc_config_fc_after_link_up()
598 		 * harm done since we won't be receiving any PAUSE frames  in igc_config_fc_after_link_up()
601 		 * can at least receive pause frames and process them.  in igc_config_fc_after_link_up()
605 		 * our link partner to pause transmission of frames.  in igc_config_fc_after_link_up()
614 			hw_dbg("Flow Control = RX PAUSE frames only.\n");  in igc_config_fc_after_link_up()