[dpdk-dev] Problem in multi-queue receiving

Zhang, Helin helin.zhang at intel.com
Sun Aug 10 15:37:40 CEST 2014

> -----Original Message-----
> From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of Kai Zhang
> Sent: Saturday, August 9, 2014 11:59 PM
> To: dev at dpdk.org
> Subject: [dpdk-dev] Problem in multi-queue receiving
> Hi there,
> I have a problem for multi-queue receiving.
> For a specific application, I am not using the lcore abstractions in DPDK.
> I launch rx and tx threads seperately. For one port with N queues, I launched N
> rx threads and N tx threads, with each thread in charge of receiving or sending
> only one queue.
> The tx threads work on their own queues well. However, all received packets
> only go to queue 0 rx thread, and other rx threads receive nothing.
> My code is at :
> https://github.com/kay21s/dpdk/blob/master/examples/pthread/main.c
> It has a default NUM_QUEUE=2, which means port 0 is configured with 2
> queues, and 2 rx threads and 2 tx threads are launched.
> Is there any problem in my implementation? or DPDK does not support it?
> Thanks a lot!
> Kai

Hi Kai

My suggestion is to try DPDK example applications (e.g. testpmd, l2fwd, l3fwd) first to see if it work fine on you board. Then check the difference between your application and the examples.


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