The
ECM
(
Ethernet Networking Control Model) protocol is used
for exchanging Ethernet-framed data between the device and host. A CDC ECM compliant device exposes itself
as a virtual NIC to the host operating system. The NIC is assigned with a MAC and an IP address.
A general use case of a CDC ECM device is a point-to-point Ethernet router/bridge to a LAN/WLAN.
CDC ECM Driver Is a DriverCore Component
The
CDC ECM Driver is a component of the
DriverCore product line. DriverCore offers
standard PC Communication Drivers, allowing device manufacturers to expose a variety of native communication interfaces via USB to different operating systems and platforms.
DriverCore ECM exposes a control interface with the device to facilitate the required Network
and USB device control requests (e.g. - enumeration, power management filters, encapsulated commands).
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The USB CDC ECM Driver Supports:
- Multiple USB CDC ECM devices on separate physical USB devices
- Device management control requests
- Composite USB devices with multiple CDC ECM functions
- Getting/setting NDIS Object Identifiers (OID's)
- NDIS 5.0/5.1 and NDIS 6.0
What's Next?
