Subject: Re: [E1000-devel] Transmission limit

From: Scott Feldman <[email-masked]>
Date: Thu, 02 Dec 2004 21:23:30 -0800

On Thu, 2004-12-02 at 10:23, Robert Olsson wrote: 
> It can increase TX performance from 800 kpps to
>   1125128pps 576Mb/sec (576065536bps) errors: 0
>   1124946pps 575Mb/sec (575972352bps) errors: 0

These are the best numbers reported so far, right?

> And some of Scotts may still be used. 

Did you try combining the two?

> +
> +	if( adapter->tx_ring.next_to_use - adapter->tx_ring.next_to_clean > 80 )
> +		e1000_clean_tx_ring(adapter);
> +

You want to use E1000_DESC_UNUSED here because of the ring wrap. ;-)

-scott