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Network Drivers: DLPI and GLD (cont)
Device-Dependent GLD Drivers:
- Interface between GLD and device-dependent driver is
at the MAC layer
- Drivers share a "macinfo" data structure with GLD for
each device instance
- Drivers must implement a small set of MAC-layer functions:
- reset(), start(), stop() to start and stop the card
- saddr(), sdmulti(), prom() to program addresses and
promiscuous mode
- gstat() to update kernel statistics
- send() to send a packet
- intr() to handle a receive interrupt
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