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From: Igor Kovalenko <igor.v.kovalenko@gmail.com>
To: Jiang Wang <jwangzju@gmail.com>
Cc: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] Questions about rtl8139 receive mode and debugging
Date: Wed, 13 May 2009 05:10:00 +0400	[thread overview]
Message-ID: <b2fa41d60905121810v3403dae5r77d469cc09b02e66@mail.gmail.com> (raw)
In-Reply-To: <77e29ea90905111523m3c9e0822h5ea25a3116f655fa@mail.gmail.com>

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  I 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 "    AcceptErr = 0x20,". But it is not used
> 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

  reply	other threads:[~2009-05-13  1:10 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-05-11 22:23 [Qemu-devel] Questions about rtl8139 receive mode and debugging Jiang Wang
2009-05-13  1:10 ` Igor Kovalenko [this message]
2009-05-13  2:22   ` Jiang Wang

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