Re: [lwip-users] cs8900 lost packets bug

[Leon Woestenberg]

Hello Paul,

thank you very much for this report.

> buffer. This results in  poor performance as there is less memory for
> incoming packets and thus lost packets.
> 
> (Does this sound familar to anyone?)
>
Our performance is poor, but that can be accounted to the microprocessor
being used, non-preemptive round-robin applications and several other
issues.

> The fix is described in the Crystal application notes 
>
Do you know which AN?
 
>     <<< SET THE TRANSMIT BUFFER SIZE TO ZERO TO DEALLOCATE  MEMORY
>   TXLENGTH = 0;
>     <<<  USE THE FORCE TRANSMIT COMMAND TO FREE THE MEMORY
>   TXCMD = 0x01C9U;
>
Do other drivers (NetBSD, Linux) implement this as well?

Regards,

Leon.

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