[dpdk-dev] packet loss in usvhost dpdk interface

Xie, Huawei huawei.xie at intel.com
Wed Apr 8 16:40:14 CEST 2015


On 4/6/2015 6:42 PM, Srinivasreddy R wrote:
> Hi,
> I have observed packet loss  with usvhost dpdk interfaces even at a very
> small rate  .
> This is because virtqueue [dev->virtqueue]  is found to be full,
> and my application should drop the packets .
Maybe your virtio guest is slow in processing the packets.
Could you refer to the retry mechanism in the vhost example?  search
enable_retry in switch_worker in examples/vhost/main.c.
>
> some one pls help me ,
> how can I avoid this loss .
>
> --------
> thanks
> srinivas.
>
>



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