RE: [ethmac] To bug or not to bug.

["Igor Mohor\(opencores\)" <igorm@opencores.org>]

There is a test bench already available at opencores.
Go to http://www.opencores.org/cvsweb.shtml/ethernet/bench/verilog/
And you'll find here a  tb_ethernet.v

Regards,
	Igor



> -----Original Message-----
> From: owner-ethmac@opencores.org [mailto:owner-ethmac@opencores.org]
On
> Behalf Of Illan Glasner
> Sent: Friday, February 21, 2003 6:34 PM
> To: 'ethmac@opencores.org'
> Subject: [ethmac] To bug or not to bug.
> 
> 
> 
>     Just a small comment base on some of the latest post.
> 
> if you are all plan to use or already using the code don;t you think
it is
> time you also write a good test bench and not rely on reading the code
> with
> your eye and hopefully don;t miss something ?
> 
> have a nice day
> 
>    Illan
> 
> 
> -----Original Message-----
> From: lim_mg@yahoo.com [mailto:lim_mg@yahoo.com]
> Sent: Friday, February 21, 2003 9:13 AM
> To: ethmac@opencores.org
> Subject: Re: [ethmac] rxaddrcheck
> 
> 
> thanks for clarification, i missed the fact that RxAbort is checked on
2
> cycles. i also made a mistake in my comment about your example on
> receivecontrol, your original post is correct.
> my sincere apologies.
> 
> 
> ----- Original Message -----
> From: yisonglin@s...
> To: ethmac@o...
> Date: Fri, 21 Feb 2003 09:39:52 -0100
> Subject: Re: [ethmac] rxaddrcheck
> 
> >
> >
> > I don't think so.
> >
> > There are 2 RxClk per byte.So when bytecounter=7,RxAddressInvalid
> > is
> > asserted by the first RxClk,RxAbort is asserted by the 2nd RxClk.
> >
> > UnicastOK is updated 2 times per byte.I think it not need to do
> > so,though it will not lead to error.I prefer to check only once per
> > byte.
> >
> > BTW:I don't think it should be 48'h0080C4000801 in the example I
> > describled in my last post.Would you explain it in detail?
> >
> > ----- Original Message -----
> > From: lim_mg@y...
> > To: ethmac@o...
> > Date: Fri, 7 Feb 2003 08:00:00 -0100
> > Subject: [ethmac] rxaddrcheck
> >
> > >
> > >
> > > just wonder if RxAbort is updated correctly in
> > eth_rxaddrcheck:
> > >
> > > RxAddressInvalid depends on UnicastOK which is finally updated
> > when
> > > ByteCnt is 7, so RxAbort should only be updated when ByteCnt
> > is 8
> > > and
> > > not 7.
> > >
> > > .....
> > > assign RxAddressInvalid = ~(UnicastOK | BroadcastOK |
> > MulticastOK |
> > > r_Pro);
> > > .....
> > > .....
> > >   else if(RxAddressInvalid & ByteCntEq7 & RxCheckEn)
> > >     RxAbort <= #Tp 1'b1;
> > > .....
> > > .....
> > >   if(RxCheckEn & ByteCntEq7)
> > >     UnicastOK <= #Tp ( RxData[7:0] == MAC[7:0])   &
> > > UnicastOK;
> > > .....
> > > .....
> > >
> >
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