Message-ID: <3D5966E6.8060500@mandrakesoft.com>
Date: Tue, 13 Aug 2002 16:07:02 -0400
From: Jeff Garzik <jgarzik@mandrakesoft.com>
Organization: MandrakeSoft
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To: Nandakumar NarayanaSwamy <nanda_kn@rediffmail.com>
CC: linux-kernel@vger.kernel.org
Subject: Re: 8139too.c problems
References: <20020813104232.29562.qmail@mailweb34.rediffmail.com>
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Nandakumar NarayanaSwamy wrote:
> Resending the mail, since i have not received a copy of that...
> Sorry if ypu are receiving duplicate copies.
> 
> 
> Hi All,
> 
> Sorry for disturbing the list again.
> 
> I am using RTL8139C in our target board which is based on MIPS
> IDT32334 processor.
> 
> The version of 8139too.c that i am using is 1.0.1 where as I am
> using a embedded linux which is based on Linux Kernel
> 2.4.5-pre1.
> 
> When the packet is transmitted out, it is coming out as all
> 0's(captured using sniffer). I dumped the whole packet in
> rtl8139_start_xmit (). The packet is a valid ARP packet.
> 
> My doubt is whether this 8139too.c is tested with MIPS processors?
> Because in one of the article i found that the supported
> processors are ARM, i386 etc.


8139too has been tested on big-endian and little-endian, 32-bit and 
64-bit processors without showing the behavior you're seeing.

If the packet is fine in rtl8139_start_xmit, it sounds like a hardware 
problem.  There is certainly the possibility that your platform is 
interacting poorly in some way with the driver, but that's a slim 
possibility.  There's no way to know more without you doing some testing 
and experimentation yourself.

	Jeff


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