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    SubjectRe: arm: Optimization for ethernet MAC handling at91_ether.c
    CC to netdev

    Le 12/01/2010 16:39, James Kosin a écrit :
    > Everyone,
    > Since, a AT91_EMAC_TUND only happens when the transmitter is unable to
    > transfer the frame in time for a frame to be sent. It makes sense to
    > RETRY the packet in this condition in the ISR.
    > Or would this overcomplicate a simple task?
    > ... see below ...

    > ...
    > I do know there needs to be a bit more code then to handle the
    > successful case below this; but, this is enough to understand what I am
    > talking about. The UNDERRUN error should happen infrequently and in
    > ideal circumstances not happen at all.

    If this happens once in a while, why do you want driver to retry the transmit ?
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