[dpdk-dev] [PATCH v4 17/41] doc: add NXP DPAA PMD documentation

[Ferruh Yigit]

On 9/9/2017 12:21 PM, Shreyansh Jain wrote:
> Signed-off-by: Hemant Agrawal <hemant.agrawal at nxp.com>
> Signed-off-by: Shreyansh Jain <shreyansh.jain at nxp.com>

<...>

> +Config File Options
> +~~~~~~~~~~~~~~~~~~~
> +
> +The following options can be modified in the ``config`` file.
> +Please note that enabling debugging options may affect system performance.
> +
> +- ``CONFIG_RTE_LIBRTE_DPAA_BUS`` (default ``n``)
> +
> +  By default it is enabled only for defconfig_arm64-dpaa-* config.
> +  Toggle compilation of the ``librte_bus_dpaa`` driver.
> +
> +- ``CONFIG_RTE_LIBRTE_DPAA_PMD`` (default ``n``)
> +
> +  By default it is enabled only for defconfig_arm64-dpaa-* config.
> +  Toggle compilation of the ``librte_pmd_dpaa`` driver.
> +
> +- ``CONFIG_RTE_LIBRTE_DPAA_DEBUG_DRIVER`` (default ``n``)
> +
> +  Toggle display of generic debugging messages
> +
> +- ``CONFIG_RTE_LIBRTE_DPAA_DEBUG_INIT`` (default ``n``)
> +
> +  Toggle display of initialization related messages.
> +
> +- ``CONFIG_RTE_MBUF_DEFAULT_MEMPOOL_OPS`` (default ``dpaa``)

There are a few new config missing in documentation.

> +
> +  This is not a DPAA specific configuration - it is a generic RTE config.
> +  For optimal performance and hardware utilization, it is expected that DPAA
> +  Mempool driver is used for mempools. For that, this configuration needs to
> +  enabled.
> +
> +Environment Variables
> +~~~~~~~~~~~~~~~~~~~~~
> +
> +DPAA drivers uses the following environment variables to configure its
> +state during application initialization:
> +
> +- ``DPAA_NUM_RX_QUEUES`` (default 1)

Why not getting this value as device arg?

<...>