igb: fixes 82576 serdes init to correctly support manual flow control changes
This patch changes the PCS configuration for serdes so that the flow
control options change be set via the ethtool -A option.
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
diff --git a/drivers/net/igb/e1000_82575.c b/drivers/net/igb/e1000_82575.c
index f3d7be0..cd75a2bc 100644
--- a/drivers/net/igb/e1000_82575.c
+++ b/drivers/net/igb/e1000_82575.c
@@ -1136,6 +1136,12 @@
E1000_PCS_LCTL_FORCE_LINK; /* Force Link */
hw_dbg("Configuring Forced Link; PCS_LCTL = 0x%08X\n", reg);
}
+
+ if (hw->mac.type == e1000_82576) {
+ reg |= E1000_PCS_LCTL_FORCE_FCTRL;
+ igb_force_mac_fc(hw);
+ }
+
wr32(E1000_PCS_LCTL, reg);
return 0;