[riot-notifications] [RIOT-OS/RIOT] [RFC] netdev: change receive mechanism (#11652)

Kaspar Schleiser notifications at github.com
Thu Jun 6 17:38:52 CEST 2019

Yeah, allocations are *slow*. So are context switches. Maybe a network stack should avoid those. ;)

This doesn't need to be changed in netdev. The (admittedly somewhat complicated) recv logic especially allows leaving the buffer handling to the stack. Somewhere up, gnrc should maybe use static input buffers instead of dynamic packet snips.
Netdev and the drivers support both dynamic *and* static packet allocation. I'd rather not change the logic to *force* static buffers.

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