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Date: Tue, 12 May 2009 22:22:40 -0400
Message-ID: <77e29ea90905121922x336fc00dj314853b145c0d8dd@mail.gmail.com>
Subject: Re: [Qemu-devel] Questions about rtl8139 receive mode and debugging
From: Jiang Wang <jwangzju@gmail.com>
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To: Igor Kovalenko <igor.v.kovalenko@gmail.com>
Cc: qemu-devel@nongnu.org

I see. I think I will just comment out "#define
RTL8139_CALCULATE_RXCRC 1" and then use  promiscuous mode. Then I
should get all the packet including the error ones. Right? Thanks.

Regards,

Jiang

On Tue, May 12, 2009 at 9:10 PM, Igor Kovalenko
<igor.v.kovalenko@gmail.com> wrote:
> On Tue, May 12, 2009 at 2:23 AM, Jiang Wang <jwangzju@gmail.com> wrote:
>> Hi:
>>
>> I am using rtl8139 nic emulation on x86 linux (CentOS 5.3). QEMU is
>> 0.10.2 =A0I want to set the NIC to receive the packet even if the check
>> sum is wrong. Is this function implemented? I searched in hw/rtl8139.c
>> and find a definition of " =A0 =A0AcceptErr =3D 0x20,". But it is not us=
ed
>> anywhere.
>
> This mode is not implemented. Since the code overrides checksum value
> for each received packet you cannot really provide it with checksum error=
.
> Look for RTL8139_CALCULATE_RXCRC in code.
>
> --
> Kind regards,
> Igor V. Kovalenko
>