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Re: [Qemu-devel] [PATCH] net: add drop_packets parameter to -net nic
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From: |
Nguyen Thai Ngoc Duy |
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Subject: |
Re: [Qemu-devel] [PATCH] net: add drop_packets parameter to -net nic |
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Date: |
Tue, 26 Apr 2011 17:07:40 +0700 |
On Tue, Apr 26, 2011 at 4:14 PM, Stefan Hajnoczi <address@hidden> wrote:
> The behavior you are describing sounds like a bug in QEMU's network
> layer. If 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.
--
Duy