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From: Stephen Hemminger <stephen@networkplumber.org>
To: Kai Zhang <zhang.4522@osu.edu>
Cc: "dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] Problem in multi-queue receiving
Date: Sun, 10 Aug 2014 11:11:27 -0700	[thread overview]
Message-ID: <20140810111127.3638a395@haswell.linuxnetplumber.net> (raw)
In-Reply-To: <CACKSPmeriwphHnR=1kqOC6+5S0EqWDbK7VHMXEccca55iSDHFg@mail.gmail.com>

On Sat, 9 Aug 2014 11:59:24 -0400
Kai Zhang <zhang.4522@osu.edu> wrote:

> 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

You aren't rxmode.mq_mode therefore you are getting the default value
of 0 == ETH_MQ_RX_NONE. You should set it to ETH_MQ_RX_RSS to enable
RSS mode.

  parent reply	other threads:[~2014-08-10 18:08 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-08-09 15:59 Kai Zhang
2014-08-10 13:37 ` Zhang, Helin
2014-08-10 18:11 ` Stephen Hemminger [this message]
2014-08-11  3:31   ` Kai Zhang

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