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>
diff --git a/drivers/net/e1000e/82571.c b/drivers/net/e1000e/82571.c
index 9333921..6942e2f 100644
--- a/drivers/net/e1000e/82571.c
+++ b/drivers/net/e1000e/82571.c
@@ -1523,8 +1523,10 @@
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 @@
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 @@
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;
}