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From: Nguyen Thai Ngoc Duy <pclouds@gmail.com>
Date: Tue, 26 Apr 2011 17:07:40 +0700
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Subject: Re: [Qemu-devel] [PATCH] net: add drop_packets parameter to -net nic
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To: Stefan Hajnoczi <stefanha@gmail.com>
Cc: Mark McLoughlin <markmc@redhat.com>, Anthony Liguori <aliguori@us.ibm.com>, qemu-devel@nongnu.org

On Tue, Apr 26, 2011 at 4:14 PM, Stefan Hajnoczi <stefanha@gmail.com> wrote=
:
> The behavior you are describing sounds like a bug in QEMU's network
> layer. =C2=A0If RX is disabled we should not queue incoming packets.
>
> Have you looked into fixing QEMU so that the queue is disabled when RX
> is disabled?

it's in e1000_can_receive(): it can receive if rx is enabled
(E1000_RCTL_EN) and has enough buffer, which means if the driver
disables rx, packets queue up. Isn't that correct behavior? Sorry I'm
new in this area.
--=20
Duy