You are correct.

Bluetooth 3.0 gets its speed from the 802.11 radio protocol. The inclusion of the 802.11 Protocol Adaptation Layer (PAL) provides increased throughput of data transfers at the approximate rate of 24 Mbps. In addition, mobile devices including Bluetooth 3.0 will realize increased power savings due to enhanced power control built in.
Bluetooth 3.0 will be backwards-compatible, so you'll be able to use new devices with your existing Bluetooth 2.1-toting gear. Chip makers Atheros and Broadcom are already working on 3.0 hardware, and many existing devices with 802.11 Wi-Fi and Bluetooth 2.1 can be upgraded via a firmware update.

Also worth noting is BlueZ, its the Bluetooth stack for Linux. Its goal is to make an implementation of the Bluetooth wireless standards specifications for Linux. As of 2006, the BlueZ stack supports all core Bluetooth protocols and layers, and in addition to the basic stack, the bluez-utils and bluez-firmware packages contain low level utilities such as dfutool which can interrogate the Bluetooth adapter chipset to determine whether its firmware can be upgraded.