Commit 726c09e7 authored by Alexander Duyck's avatar Alexander Duyck Committed by Jeff Garzik

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: default avatarAlexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: default avatarJeff Garzik <jgarzik@redhat.com>
parent c743a87e
......@@ -1136,6 +1136,12 @@ static s32 igb_setup_fiber_serdes_link_82575(struct e1000_hw *hw)
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;
......
......@@ -257,6 +257,7 @@
#define E1000_PCS_LCTL_FDV_FULL 8
#define E1000_PCS_LCTL_FSD 0x10
#define E1000_PCS_LCTL_FORCE_LINK 0x20
#define E1000_PCS_LCTL_FORCE_FCTRL 0x80
#define E1000_PCS_LCTL_AN_ENABLE 0x10000
#define E1000_PCS_LCTL_AN_RESTART 0x20000
#define E1000_PCS_LCTL_AN_TIMEOUT 0x40000
......
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