[PATCH 7/7] doc: updates cnxk doc for new devargs

[Jerin Jacob]

On Wed, May 28, 2025 at 5:32 PM Rahul Bhansali <rbhansali at marvell.com> wrote:
>
> Adds details of below nix devargs
> - force_tail_drop
> - disable_xqe_drop
>
> Signed-off-by: Rahul Bhansali <rbhansali at marvell.com>


Squashed this patch to relevant commit and Series Applied to
dpdk-next-net-mrvl/for-main. Thanks



> ---
>  doc/guides/nics/cnxk.rst | 23 +++++++++++++++++++++++
>  1 file changed, 23 insertions(+)
>
> diff --git a/doc/guides/nics/cnxk.rst b/doc/guides/nics/cnxk.rst
> index 35f95dcc0a..7f4ff7b4fb 100644
> --- a/doc/guides/nics/cnxk.rst
> +++ b/doc/guides/nics/cnxk.rst
> @@ -470,6 +470,29 @@ Runtime Config Options
>     With the above configuration, inline inbound IPsec post-processing
>     should be done by the application.
>
> +- ``Enable force tail drop feature`` (default ``0``)
> +
> +   Force tail drop can be enabled by specifying ``force_tail_drop`` ``devargs``
> +   parameter.
> +   This option is for OCTEON CN10K SoC family.
> +
> +   For example::
> +
> +      -a 0002:02:00.0,force_tail_drop=1
> +
> +   With the above configuration, descriptors are internally increased and back
> +   pressures are optimized to avoid CQ full situation due to inflight packets.
> +
> +- ``Disable RQ XQE drop`` (default ``0``)
> +
> +   Rx XQE drop can be disabled by specifying ``disable_xqe_drop`` ``devargs``
> +   parameter.
> +   This option is for OCTEON CN10K SoC family.
> +
> +   For example::
> +
> +      -a 0002:02:00.0,disable_xqe_drop=1
> +
>  .. note::
>
>     Above devarg parameters are configurable per device, user needs to pass the
> --
> 2.25.1
>