dev/igc/igc_mac.c

454  *  igc_check_for_copper_link_generic - Check for link (Copper)
457  *  Checks to see of the link status of the hardware has changed.  If a
458  *  change in link status has been detected, then we read the PHY registers
459  *  to get the current speed/duplex if link exists.
465 	bool link = false;
470 	 * has completed and/or if our link status has changed.  The
478 	 * link.  If so, then we want to get the current speed/duplex
481 	ret_val = igc_phy_has_link_generic(hw, 1, 0, &link);
485 	if (!link)
486 		return IGC_SUCCESS; /* No link detected */
491 	 * immediately after link-up
496 	 * we have already determined whether we have link or not.
510 	 * different link partner.
520  *  igc_setup_link_generic - Setup flow control and link settings
524  *  control.  Calls the appropriate media-specific link configuration
525  *  function.  Assuming the adapter has a valid link partner, a valid link
535 	/* In the case of the phy reset being blocked, we already have a link.
549 	 * on the link partner's capabilities, we may or may not use this mode.
556 	/* Call the necessary media_type subroutine to configure the link. */
581  *  during link setup.
643  *  also configure these bits when link is forced on a fiber connection.
653 	/* Because we didn't get link via the internal auto-negotiation
654 	 * mechanism (we either forced link or we got link via PHY
698  *  igc_config_fc_after_link_up_generic - Configures flow control after link
701  *  Checks the status of auto-negotiation after link up to ensure that the
702  *  speed and duplex were not forced.  If the link needed to be forced, then
704  *  and did not fail, then we configure flow control based on our link
723 	 * has completed, and if so, how the PHY and link partner has
761 		 * for both the PHY and the link partner.  The following
848 			DEBUGOUT("Error getting link speed and duplex\n");
887 		 * and 2.5 Gbps link modes. An additional bit is used