[dpdk-dev] how to use multiple RX queues on the same port

[De Lara Guarch, Pablo]

Hi Francesco,

> -----Original Message-----
> From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of Montorsi,
> Francesco
> Sent: Monday, October 26, 2015 5:23 PM
> To: dev at dpdk.org
> Subject: [dpdk-dev] how to use multiple RX queues on the same port
> 
> Hi all,
> To avoid rx_nombuf packet drops, I'm trying to configure a DPDK port to use
> more than 1 RX queue... so I'm trying (on a 10Gbps card) to use 4 RX queues.
> The call to rte_eth_dev_configure() and the 4 calls to
> rte_eth_rx_queue_setup() succeed but then via the
> rte_eth_rx_queue_count() API I see that only the first RX queue is used. The
> remaining 3 seems unused... am I missing something?

How are you configuring the port? Are you using RSS? I guess that's what you are looking for,
so make sure that you are using the right mq_mode(ETH_MQ_RX_RSS).
Which NIC are you using and which traffic type? Because if you don't vary the traffic, you won't see any traffic in all queues.

Pablo

> 
> 
> Thanks!
> 
> Francesco Montorsi