From: "Richardson, Bruce" <bruce.richardson@intel.com>
To: Tomasz K <tomasz.kasowicz@gmail.com>, dev <dev@dpdk.org>
Subject: Re: [dpdk-dev] l2fwd not working on PF while working on VF
Date: Wed, 9 Apr 2014 15:10:38 +0000 [thread overview]
Message-ID: <59AF69C657FD0841A61C55336867B5B01A9FA0C0@IRSMSX103.ger.corp.intel.com> (raw)
In-Reply-To: <CAHJKsGyK2is-irtemAA9PuDS=Ut12mQt36aJJ+vwvXJafn_31g@mail.gmail.com>
> -----Original Message-----
> From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Tomasz K
> Sent: Wednesday, April 09, 2014 3:04 PM
> To: dev
> Subject: [dpdk-dev] l2fwd not working on PF while working on VF
>
> Dear All
>
> I have a setup with Intel 82576 DPDK NIC.
> For one of the available DPDK ports i have created 8 VFs using igb_uio based on
> steps presented in programmers guide. Some of them are attached to VM, some
> maybe used on host
>
> After some tests with l2fwd application i found out that it is not working for PF,
> but works perfectly for any VF (both on host and in VM).
>
How many queues are being allocated to each VF? According to the datasheet, the 82576 NIC has only got 16 RX and TX queues, so if you have 8 VF's with 2 RX and TX queues allocated to each, you may have no remaining queues left for the PF to use on the host.
next prev parent reply other threads:[~2014-04-09 15:13 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-09 14:03 Tomasz K
2014-04-09 15:10 ` Richardson, Bruce [this message]
2014-04-09 15:21 ` Tomasz K
2014-04-09 16:25 ` Chris Wright
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