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From: Vincent Li <vincent.mc.li@gmail.com>
To: Non Voglio <harold.demure87@gmail.com>
Cc: users@dpdk.org
Subject: Re: [dpdk-users] DPDK 2.2 MLX4: problem with number of TX/RX queues
Date: Thu, 11 Feb 2016 11:10:58 -0800	[thread overview]
Message-ID: <CAK3+h2yJn9kHYrUObvvmu744HPE9Z92KD171UUxJ6E50zmz3dw@mail.gmail.com> (raw)
In-Reply-To: <CAKbMwWq4gbY2yRHiTu4qqxxsK-xoJsqsfn_--E8tBHa65sB4Ww@mail.gmail.com>

On Thu, Feb 11, 2016 at 6:24 AM, Non Voglio <harold.demure87@gmail.com> wrote:
> Hello,
>   I am new to the DPDK world and I am having some troubles in using some
> code (not written by me).
>
> In particular, I bump into this error when invoking the  rte_eth_dev_configure
> function:
>
> PMD: librte_pmd_mlx4: 0x10a4d2a0: TX queues number update: 0 -> 16
>
> PMD: librte_pmd_mlx4: 0x10a4d2a0: RX queues number update: 0 -> 16
>
> PMD: librte_pmd_mlx4: 0x10a4d2a0: only a single RX queue can be configured
> when hardware doesn't support RSS
>

it appears you must enable RSS support to use multiple RX queue

        if (!priv->hw_rss) {
                ERROR("%p: only a single RX queue can be configured when"
                      " hardware doesn't support RSS",
                      (void *)dev);
                return EINVAL;
        }

Vincent

  reply	other threads:[~2016-02-11 19:10 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-02-11 14:24 Non Voglio
2016-02-11 19:10 ` Vincent Li [this message]
2016-02-11 21:36   ` Harold Demure
2016-02-11 22:57     ` Vincent Li
2016-02-15  8:59     ` Olga Shern
2016-02-16 16:04       ` Harold Demure
2016-02-18 10:31         ` Gilad Berman
2016-02-19 20:01           ` Harold Demure

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