ppc405_eth_rxde...

Armin Kuster akuster at mvista.com
Wed Nov 21 11:27:12 EST 2001


Venkat Raghu wrote:
>
>    Hi
>
>      I need help in understanding about following
>    interrupt handlers:
>    ppc405_eth_txde
>  and   ppc405_eth_rxde.
>
>   What operation exactly triggers these?

AFAIK, when the emac detects a problem with either rx or tx descriptors
after being sent to the MAL then the approperate interrupt handler is
used.

> What is the
>   effect after these handlers have been called, like
>   whether these handlers reset the drivers etc?

The rx/tx descriptors should be clear/reset for normal use.

>What
>  happens to the traffic that comes when this is in
>  this interrupt mode.

Packects may be dropped.

>
>   Any pointer or links wil be helpful.

see 405GP user manual

>
>   Kindly mail back to venkatraghu2002 at yahoo.com.
>   I didt subscribe to this list.
>
>   Thank You
>   Raghava.
>


 -- armin

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