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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: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Emil Tantilov <emil.s.tantilov@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Bruce Allan 2010-11-24 06:01:20 +00:00 committed by Jeff Kirsher
parent 9633e63bb1
commit a82a14f4cd
1 changed files with 6 additions and 1 deletions
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7
drivers/net/e1000e/82571.c
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@ -1523,8 +1523,10 @@ 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;
break;
case e1000_serdes_link_forced_up:
/*
@ -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;
}