dev/e1000/e1000_phy.c

1050  *  e1000_copper_link_setup_82577 - Setup 82577 PHY for copper link
1114  *  e1000_copper_link_setup_m88 - Setup m88 PHY's for copper link
1267  *  e1000_copper_link_setup_m88_gen2 - Setup m88 PHY's for copper link
1365  *  e1000_copper_link_setup_igp - Setup igp PHY's for copper link
1627  *  e1000_copper_link_autoneg - Setup/Enable autoneg for copper link
1632  *  and restart the negotiation process between the link partner.  If
1691  *  e1000_setup_copper_link_generic - Configure copper link settings
1694  *  Calls the appropriate function to configure the link for auto-neg or forced
1695  *  speed and duplex.  Then we check for link, once link is established calls
1696  *  to configure collision distance and flow control are called.  If link is
1702 	bool link = true;
1725 	/* Check link status. Wait up to 100 microseconds for link to become
1729 					     &link);
1733 	if (link) {
1734 		DEBUGOUT("Valid link established!!!\n");
1738 		DEBUGOUT("Unable to establish link!!!\n");
1749  *  auto-crossover to force MDI manually.  Waits for link and returns
1750  *  successful if link up is successful, else -E1000_ERR_PHY (-2).
1757 	bool link;
1790 		DEBUGOUT("Waiting for forced speed/duplex link on IGP phy.\n");
1793 						     100000, &link);
1797 		if (!link)
1802 						     100000, &link);
1814  *  changes.  If time expires while waiting for link up, we reset the DSP.
1823 	bool link;
1862 		DEBUGOUT("Waiting for forced speed/duplex link on M88 phy.\n");
1865 						     100000, &link);
1869 		if (!link) {
1890 				/* We didn't get link.
1906 						     100000, &link);
1962 	bool link;
1993 		DEBUGOUT("Waiting for forced speed/duplex link on IFE phy.\n");
1996 						     100000, &link);
2000 		if (!link)
2005 						     100000, &link);
2075  *  e1000_set_d3_lplu_state_generic - Sets low power link up state for D3
2081  *  The low power link up (lplu) state is set to the power management level D3
2170  *  A downshift is detected by querying the PHY link health.
2352  *  e1000_phy_has_link_generic - Polls PHY for link
2354  *  @iterations: number of times to poll for link
2358  *  Polls the PHY status register for link, 'iterations' number of times.
2373 		 * twice due to the link bit being sticky.  No harm doing
2632  *  to verify that link is up.  Read the PHY special control register to
2642 	bool link;
2651 	ret_val = e1000_phy_has_link_generic(hw, 1, 0, &link);
2655 	if (!link) {
2656 		DEBUGOUT("Phy info is only valid if link is up\n");
2707  *  Read PHY status to determine if link is up.  If link is up, then
2717 	bool link;
2721 	ret_val = e1000_phy_has_link_generic(hw, 1, 0, &link);
2725 	if (!link) {
2726 		DEBUGOUT("Phy info is only valid if link is up\n");
2779 	bool link;
2783 	ret_val = e1000_phy_has_link_generic(hw, 1, 0, &link);
2787 	if (!link) {
2788 		DEBUGOUT("Phy info is only valid if link is up\n");
3497  * e1000_power_up_phy_copper - Restore copper link in case of PHY power down
3500  * In the case of a PHY power down to save power, or to turn off link during a
3501  * driver unload, or wake on lan is not enabled, restore the link to previous
3515  * e1000_power_down_phy_copper - Restore copper link in case of PHY power down
3518  * In the case of a PHY power down to save power, or to turn off link during a
3519  * driver unload, or wake on lan is not enabled, restore the link to previous
3836  *  This function works around a Si bug where the link partner can get
3837  *  a link up indication before the PHY does.  If small packets are sent
3838  *  by the link partner they can be placed in the packet buffer without
3841  *  packet buffer after the PHY detects link up.
3858 	/* check if link is up and at 1Gbps */
3920 	bool link;
3937 		DEBUGOUT("Waiting for forced speed/duplex link on 82577 phy\n");
3940 						     100000, &link);
3944 		if (!link)
3949 						     100000, &link);
3959  *  Read PHY status to determine if link is up.  If link is up, then
3969 	bool link;
3973 	ret_val = e1000_phy_has_link_generic(hw, 1, 0, &link);
3977 	if (!link) {
3978 		DEBUGOUT("Phy info is only valid if link is up\n");