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From: Stephen Hemminger <stephen@networkplumber.org>
To: "Licj" <272465698@qq.com>
Subject: Re: [dpdk-users] Dpdk-pdump fails with error "no ethernet port" when running with Mellanox MCX454A-FCAT nic
Date: Wed, 17 Jun 2020 08:00:05 -0700
Message-ID: <20200617080005.75ac1ed9@hermes.lan> (raw)
In-Reply-To: <tencent_1ABCA2381BCE7813857C6891F5BD24614A06@qq.com>

On Wed, 17 Jun 2020 17:22:49 +0800
"Licj" <272465698@qq.com> wrote:

> Hi all, 
> I have run dpdk testpmd successfully with Mellanox MCX454A-FCAT nic(mlx5 driver). I can capture the dpdk packets on the recv side using tcpdump. But the througput does not reach line rate(24gbps throughput with 40gbps line rate).
> &nbsp;Then I want to capture packets on the send side using dpdk-pdump. But the dpdk-pdump failed with error "No Ethernet ports - bye".
> The initial info with dpdk-pdump shows that it only probes ixgbe driver and 2 Intel nics But not Mellanox nic. 
> Anyone knows why and how to solve it? Thank you.

Mellanox DPDK drivers are not enabled by default in the build.
You need to have rdma-core installed and enable it in the DPDK build config file.

  parent reply index

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-17  9:22 Licj
2020-06-17 14:16 ` Nishant Verma
2020-06-17 15:00 ` Stephen Hemminger [this message]
2020-06-18  2:33   ` Licj
  -- strict thread matches above, loose matches on Subject: below --
2020-06-17  9:11 Licj

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