This folder contains message definitions for various protocols based on Netlink.

The structure is as follows:
protocols/*.(cpp|h)                - base definition classes and protocol definition lookup
protocols/common/                  - common message types that apply to all protocols
protocols/<proto>/<proto>.(cpp|h)  - protocol definition (usually just a list of message types)
protocols/<proto>/*.(cpp|h)        - message definition that covers all message types with the same
                                     header (T type in MessageDefinition template) and attributes
