IXGBE_KRM_LINK_CTRL_1_TETH_FORCE_SPEED_1G
lval |= IXGBE_KRM_LINK_CTRL_1_TETH_FORCE_SPEED_1G;
lval &= ~IXGBE_KRM_LINK_CTRL_1_TETH_FORCE_SPEED_1G;
reg_val |= IXGBE_KRM_LINK_CTRL_1_TETH_FORCE_SPEED_1G;