> I sense that usually, LAPB handles this issue at a different
> level, in the hardware? Does LAPB specify how to maintain
> reliably delivery and could we hook into this "how" when we
> need to drop LAPB frames? Perhaps it is too late by the time
> netif_rx is dealing with it.
LAPB maintains a window of (normally 8) frames. When a frame is accepted it
as acked (RR) or if there is no room it is rejected (RNR). Once it has been
accepted with an RR it can from that point onwards not get lost.
> LAPB sounds like quite a broken protocol at the moment... But I'm
> sure there are details which will emerge and clear this all up.
LAPB isnt broken, its actually rather clever and ideal for tiny low power
devices
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This archive was generated by hypermail 2b29 : Fri Sep 15 2000 - 21:00:26 EST