[En-Nut-Discussion] Re: [En-Nut-Announce] Version 3.4.2 Available

NGB ngbmoreau at yahoo.com.au
Tue Mar 9 09:52:17 CET 2004


Just an idea, have you had a look at the Linux driver ?

Nic
       
> 
> I'm not happy with it yet.  I haven't solved why tx packet loss occurs
> in the new or the old one.  Tx packet loss seems to occur occasionally
> when receiving at the same time.  And the times I get Rx CRC bit set
> and/or DFR bit set, the current tx packet in the realtek also gets
> dropped. I tried re-transmitting when this happened.  It fixed some, but
> not all.
> 
> The new driver which has a lot less code overhead in the tx side, making
> it a lot quicker, seems to be worse with tx packet loss.   It seems the
> more delay added by code, or delays() seems to reduce tx loss in the old
> and new version.  But in reality I think this has the effect of making
> the NIC operate in more of a half duplex fashion and hiding the problem.
> The more connections happening, the more likely it is to happen.
> 
> I had to give up looking at this last week, and move one.  I might
> briefly look at it future weeks, but I may have to give up and go back
> to the old version with slower tx code, to hide the problem at the
> moment.
> 
> 
> 
> -----Original Message-----
> From: NGB [mailto:ngbmoreau at yahoo.com.au] 
> Sent: Tuesday, 9 March 2004 4:00 PM
> To: Ethernut User Chat (English)
> Subject: [En-Nut-Discussion] Re: [En-Nut-Announce] Version 3.4.2
> Available
> 
> Does this release include the improved realtek driver ?
> Can seem to find anything in the changelog
> 
> Thanks
> 
> Nic
> 
> 
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