Re: [E1000-devel] Sometimes, it will have to work with a swich

[Brandeburg, J. <jes...@in...>]

I'm sorry I'd like to support you in these questions, but they are really more suited for a linux beginners list like lin...@vg...<mailto:lin...@vg...>

always reply-all when sending emails to a list

________________________________
From: dragon [mailto:dra...@to...]
Sent: Saturday, February 28, 2009 11:45 PM
To: e1000.sf
Cc: Brandeburg, Jesse
Subject: Sometimes, it will have to work with a swich


> dragon wrote:
> > When connecting two computers (with one e1000 each) back to back, I
> > tried simple rx/tx
> > work but found some problems.
> >
> > Situation:
> > Computer A is rx enabled only and always ready to receive packets.
> > Computer B is both rx and tx enabled. B sends packets at high rate
> > about 742Mbps(62Kfps).
> >
> > Problem:
> > A receives packets OK.
> > But B could also receive spliceco/spanning_tree(for bridge) packets
> > as many as 55Mbps(118Kfps). The packet data is 60Bytes long and read
> > as following:
> >
> > 01 80 C2 00 00 01 00 07 09 0D 5F F8 88 08 00 01
> > 06 80 00 00 00 ................................
> > ...............................................
> >
> >
> > Reading some information on the internet, I come to know what
> > spanning_tree is.
> > But I still want to ask about it because such packets are too many to
> > lead to
> > performance degrading.
> >
> > Can I discard such packets in some way?
> > Will so high rate it also occur when
>
> I suggest not loading the bridge module, if you're back to back you certainly don't want to be bridging.


Would you give me some hint about 'bridge module' in the e1000 source code?
Sometimes, it will have to work with a swich. So I am afraid it will not work at that time...

BTW: Should I reply to your mail directly or to e10...@li...?




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