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Commit a82a14f4 authored by Bruce Allan's avatar Bruce Allan Committed by Jeff Kirsher
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e1000e: 82571-based mezzanine card can fail ethtool link test 



On certain 82571-based mezzanine NICs in some blade servers, the ethtool
link test can fail due to the serdes_has_link flag not set correctly.

Signed-off-by: default avatarBruce Allan <bruce.w.allan@intel.com>
Tested-by: default avatarEmil Tantilov <emil.s.tantilov@intel.com>
Signed-off-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
parent 9633e63b

drivers/net/e1000e/82571.c

+6 −1
Original line number Diff line number Diff line
@@ -1523,6 +1523,8 @@ static s32 e1000_check_for_serdes_link_82571(struct e1000_hw *hw) 
				    e1000_serdes_link_autoneg_progress;

				mac->serdes_has_link = false;

				e_dbg("AN_UP     -> AN_PROG\n");

			} else {

				mac->serdes_has_link = true;

			}

			break;
@@ -1543,6 +1545,8 @@ static s32 e1000_check_for_serdes_link_82571(struct e1000_hw *hw) 
				    e1000_serdes_link_autoneg_progress;

				mac->serdes_has_link = false;

				e_dbg("FORCED_UP -> AN_PROG\n");

			} else {

				mac->serdes_has_link = true;

			}

			break;
@@ -1598,6 +1602,7 @@ static s32 e1000_check_for_serdes_link_82571(struct e1000_hw *hw) 
			ew32(CTRL, (ctrl & ~E1000_CTRL_SLU));

			mac->serdes_link_state =

			    e1000_serdes_link_autoneg_progress;

			mac->serdes_has_link = false;

			e_dbg("DOWN      -> AN_PROG\n");

			break;

		}