From: Adrien Mazarguil <adrien.mazarguil@6wind.com>
To: Raghav Sethi <raghavs@CS.Princeton.EDU>
Cc: dev@dpdk.org
Subject: Re: [dpdk-dev] Testpmd with Mellanox ConnectX-3
Date: Thu, 2 Apr 2015 14:24:05 +0200 [thread overview]
Message-ID: <20150402122405.GV32147@6wind.com> (raw)
In-Reply-To: <CAC2O_6q6LaOT4hEv3a08q--4bvXmr6rzeEBfnGMcWYCkf3CLxQ@mail.gmail.com>
Hi,
On Wed, Apr 01, 2015 at 08:18:30PM +0000, Raghav Sethi wrote:
> Hi folks,
>
> Hopefully this is the right place to ask questions. I'm trying to run
> testpmd (and then develop my own applications) with DPDK 1.8 and the
> Mellanox ConnectX-3. The setup script/quickstart/Getting Started guide
> don't have too much information about what to do if you have a
> Mellanox. I've installed libibverbs and libmlx4 system-wide. This is the
> closest I found to a guide for the Mellanox:
> https://dpdk.readthedocs.org/en/stable/prog_guide/mlx4_poll_mode_drv.html .
> When I run testpmd as described by this article, I get "Cause: No probed
> ethernet device".
First, the ConnectX-3 (mlx4) driver is not included in DPDK 1.8, the
documentation you refer to is from a DPDK 2.0 release candidate.
DPDK 2.0 will support it.
> Here are my questions:
> 1. Is this how I should set the PMD flag for DPDK? "make install T=<arch>
> CONFIG_RTE_LIBRTE_MLX4_PMD=y"
No, see below.
> 2. If not, how should I do it?
You should either create a specific configuration file in configs/ with that
option and use make config T=<whatever>, or update your .config file after
you've run make config T=<arch>.
> 3. Does using the Mellanox mean that I shouldn't use igb_uio at all?
Indeed. Loading it is harmless though.
> 4. Do I need to bind the Mellanox to mlx4_core before using testpmd?
The kernel module (mlx4_core) must remain bound to its devices, the PMD
relies on it.
> I would be happy to contribute to the help page with end-to-end
> instructions for using the Mellanox with testpmd.
I've just submitted a patch to provide more details about the installation
process, you should have a look.
--
Adrien Mazarguil
6WIND
prev parent reply other threads:[~2015-04-02 12:24 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-01 20:18 Raghav Sethi
2015-04-02 12:24 ` Adrien Mazarguil [this message]
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