I40E_GLLAN_RCTL_0
wr32(hw, I40E_GLLAN_RCTL_0, 0x1);
reg = rd32(hw, I40E_GLLAN_RCTL_0);
wr32(hw, I40E_GLLAN_RCTL_0, (reg & (~I40E_GLLAN_RCTL_0_PXE_MODE_MASK)));
wr32(hw, I40E_GLLAN_RCTL_0, (reg | I40E_GLLAN_RCTL_0_PXE_MODE_MASK));
(rd32(hw, I40E_GLLAN_RCTL_0) & I40E_GLLAN_RCTL_0_PXE_MODE_MASK)) {