From: Stephen Hemminger <stephen@networkplumber.org>
To: Sergey Mironov <grrwlf@gmail.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] Fwd: ixgbe network card has dev_info.max_rx_queues == 0
Date: Mon, 25 Aug 2014 17:14:17 -0700 [thread overview]
Message-ID: <20140825171417.6eeafe8e@uryu.home.lan> (raw)
In-Reply-To: <CAMOkk_Yxm2MArXWhr4ZxVr=4ii4zoe1VSy=GYW7sy+F40Sfn8Q@mail.gmail.com>
On Mon, 25 Aug 2014 13:41:34 +0400
Sergey Mironov <grrwlf@gmail.com> wrote:
> Hi. I've found more data on this issue. My machine (CB-8970) is
> equipped with two ixgbe and six e1000 ports + one more e1000 port as
> management interface.
> I ask the DPDK to allocate 3 TX queues and 3 RX queues for each of 8
> working ports, 6 * 8 = 48 queues (see the configuration code snippet
> at the end of the letter)
You need to look at dev_info and not allocate more queues than the
hardware supports. Many E1000 devices only support a single queue.
next prev parent reply other threads:[~2014-08-26 0:10 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-21 12:26 [dpdk-dev] " Sergey Mironov
2014-08-21 12:52 ` Alex Markuze
2014-08-22 7:12 ` Sergey Mironov
[not found] ` <CAKfHP0V=1Er=ecZfgbepG_JV63f9YLG9DtP7tasDg+Wk_phFFA@mail.gmail.com>
[not found] ` <CAMOkk_Zew6uTrStxhTUD11etxRZoMmYkqqD_fM54kaRra+O-aQ@mail.gmail.com>
2014-08-25 9:41 ` [dpdk-dev] Fwd: " Sergey Mironov
2014-08-26 0:14 ` Stephen Hemminger [this message]
2014-08-26 7:26 ` Sergey Mironov
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