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Re: Network Device-Driver/Layer Implementation: Help required

To: Harish Kulkarni <hari@xxxxxxxxxxxxx>
Subject: Re: Network Device-Driver/Layer Implementation: Help required
From: "James R. Leu" <jleu@xxxxxxxxxxxxxx>
Date: Thu, 31 Oct 2002 10:35:49 -0600
Cc: netdev@xxxxxxxxxxx
In-reply-to: <NFBBKDONILLOCGDCFLLIAEALCGAA.hari@cosystech.com>; from hari@cosystech.com on Thu, Oct 31, 2002 at 01:25:18PM +0530
Organization: none
References: <15808.11521.25342.659187@robur.slu.se> <NFBBKDONILLOCGDCFLLIAEALCGAA.hari@cosystech.com>
Reply-to: jleu@xxxxxxxxxxxxxx
Sender: netdev-bounce@xxxxxxxxxxx
What L2 protocols will it support?  This will determin how you present it to
the network stack.  At a minimum it will have to create a net_device which
has all sorts of function pointers in it that you will have to implement.

On Thu, Oct 31, 2002 at 01:25:18PM +0530, Harish Kulkarni wrote:
> Hello all,
> I have a T1/E1 device driver: ( completed till PCI initialization and other
> device-internals initialization,including interrupts handling procedures),
> now i am not understanding how to provide the interface to upper layers?. I
> have walked through the lapb-module.txt and some code of IPX, but still the
> things are not clear. Can any one help/guide me?
> -Thanks
> Hari
> 
> 
> > -----Original Message-----
> > From: netdev-bounce@xxxxxxxxxxx [mailto:netdev-bounce@xxxxxxxxxxx]On
> > Behalf Of Robert Olsson
> > Sent: Thursday, October 31, 2002 12:33 AM
> > To: Cheng Jin
> > Cc: jamal; netdev@xxxxxxxxxxx
> > Subject: Re: Linux SMP on 2.4.18-3
> >
> >
> >
> > Cheng Jin writes:
> >
> >  > Out of curiosity, what is the maximum send rate (pps) under Linux
> >  > 2.4.18-3?  I read in the paper that sending across two Intel
> > Gbe with one
> >  > CPU gets up to 36o Kpps.
> >
> >  Yes forwarding performance...
> >
> >  A good chip/driver can itself do a lot more. I have seen very
> > decent numbers
> >  with e1000, tg3 and dl2k. For FE tulip has been a top performer for long
> >  time but  I also now see 144 kpps from my laptop w. 3c59x driver.
> >
> >  Cheers.
> >                                             --ro
> >
> >
> >
> 

-- 
James R. Leu


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