dev/e1000/e1000_phy.c

1043  *  e1000_copper_link_setup_82577 - Setup 82577 PHY for copper link
1106  *  e1000_copper_link_setup_m88 - Setup m88 PHY's for copper link
1258  *  e1000_copper_link_setup_m88_gen2 - Setup m88 PHY's for copper link
1354  *  e1000_copper_link_setup_igp - Setup igp PHY's for copper link
1615  *  e1000_copper_link_autoneg - Setup/Enable autoneg for copper link
1620  *  and restart the negotiation process between the link partner.  If
1679  *  e1000_setup_copper_link_generic - Configure copper link settings
1682  *  Calls the appropriate function to configure the link for auto-neg or forced
1683  *  speed and duplex.  Then we check for link, once link is established calls
1684  *  to configure collision distance and flow control are called.  If link is
1690 	bool link;
1713 	/* Check link status. Wait up to 100 microseconds for link to become
1717 					     &link);
1721 	if (link) {
1722 		DEBUGOUT("Valid link established!!!\n");
1726 		DEBUGOUT("Unable to establish link!!!\n");
1737  *  auto-crossover to force MDI manually.  Waits for link and returns
1738  *  successful if link up is successful, else -E1000_ERR_PHY (-2).
1745 	bool link;
1778 		DEBUGOUT("Waiting for forced speed/duplex link on IGP phy.\n");
1781 						     100000, &link);
1785 		if (!link)
1790 						     100000, &link);
1802  *  changes.  If time expires while waiting for link up, we reset the DSP.
1811 	bool link;
1850 		DEBUGOUT("Waiting for forced speed/duplex link on M88 phy.\n");
1853 						     100000, &link);
1857 		if (!link) {
1878 				/* We didn't get link.
1894 						     100000, &link);
1950 	bool link;
1981 		DEBUGOUT("Waiting for forced speed/duplex link on IFE phy.\n");
1984 						     100000, &link);
1988 		if (!link)
1993 						     100000, &link);
2063  *  e1000_set_d3_lplu_state_generic - Sets low power link up state for D3
2069  *  The low power link up (lplu) state is set to the power management level D3
2158  *  A downshift is detected by querying the PHY link health.
2340  *  e1000_phy_has_link_generic - Polls PHY for link
2342  *  @iterations: number of times to poll for link
2346  *  Polls the PHY status register for link, 'iterations' number of times.
2361 		 * twice due to the link bit being sticky.  No harm doing
2620  *  to verify that link is up.  Read the PHY special control register to
2630 	bool link;
2639 	ret_val = e1000_phy_has_link_generic(hw, 1, 0, &link);
2643 	if (!link) {
2644 		DEBUGOUT("Phy info is only valid if link is up\n");
2695  *  Read PHY status to determine if link is up.  If link is up, then
2705 	bool link;
2709 	ret_val = e1000_phy_has_link_generic(hw, 1, 0, &link);
2713 	if (!link) {
2714 		DEBUGOUT("Phy info is only valid if link is up\n");
2767 	bool link;
2771 	ret_val = e1000_phy_has_link_generic(hw, 1, 0, &link);
2775 	if (!link) {
2776 		DEBUGOUT("Phy info is only valid if link is up\n");
3484  * e1000_power_up_phy_copper - Restore copper link in case of PHY power down
3487  * In the case of a PHY power down to save power, or to turn off link during a
3488  * driver unload, or wake on lan is not enabled, restore the link to previous
3502  * e1000_power_down_phy_copper - Restore copper link in case of PHY power down
3505  * In the case of a PHY power down to save power, or to turn off link during a
3506  * driver unload, or wake on lan is not enabled, restore the link to previous
3821  *  This function works around a Si bug where the link partner can get
3822  *  a link up indication before the PHY does.  If small packets are sent
3823  *  by the link partner they can be placed in the packet buffer without
3826  *  packet buffer after the PHY detects link up.
3843 	/* check if link is up and at 1Gbps */
3905 	bool link;
3922 		DEBUGOUT("Waiting for forced speed/duplex link on 82577 phy\n");
3925 						     100000, &link);
3929 		if (!link)
3934 						     100000, &link);
3944  *  Read PHY status to determine if link is up.  If link is up, then
3954 	bool link;
3958 	ret_val = e1000_phy_has_link_generic(hw, 1, 0, &link);
3962 	if (!link) {
3963 		DEBUGOUT("Phy info is only valid if link is up\n");