What is a Network Interface Card?

The NIC drives the management network interface card (NIC). The NIC driver interface directly controls the hardware (NIC) at the lower boundary, and provides the interface for upper-layer driver access at the upper boundary:

Network interface card driver

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The NIC drives the management network interface card (NIC). The NIC driver interface directly controls the hardware (NIC) at the lower boundary, and provides the interface for upper-layer driver access at the upper boundary:
Send and receive packets
Reset the NIC (Reset)
Stop NIC
Query NIC
Setting NIC operating characteristics
Two types of NIC drivers
Microport driver: The microport driver is used to manage special operations of the NIC hardware, including sending and receiving data on the NIC. The microport driver cannot call system routines directly, but only functions provided by NDIS.
Full NIC driver: The full NIC driver manages not only the hardware but also the operating system specific tasks performed by NDIS. The full NIC driver must maintain the binding information of the received data.

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