Re: [Qemu-devel] [PATCH 1/2] Usb: create the receive queue for the virtual USB NIC

2012-08-24 Thread Stefan Hajnoczi
On Fri, Aug 24, 2012 at 8:56 AM, wrote: > From: Roy.Li > > The virtual USB NIC originally used a fixed buffer to receive packets which > only store 1 packet at a time, which is easy to overrun with packets if the > guest does not consume it quickly, and always lost packets at the below case: > >

[Qemu-devel] [PATCH 1/2] Usb: create the receive queue for the virtual USB NIC

2012-08-24 Thread rongqing.li
From: Roy.Li The virtual USB NIC originally used a fixed buffer to receive packets which only store 1 packet at a time, which is easy to overrun with packets if the guest does not consume it quickly, and always lost packets at the below case: The emulated machine is using an USB-ethernet