[dpdk-dev] [PATCH] doc: announce ethdev port freeing on close operation

[Jerin Jacob]

On Tue, Aug 4, 2020 at 2:50 PM Thomas Monjalon <thomas at monjalon.net> wrote:
>
> Since DPDK 18.11, some drivers are migrating to a new behaviour,
> releasing port resources on close.
> The temporary flag RTE_ETH_DEV_CLOSE_REMOVE triggers this new mode
> in the migrated drivers.
> After 2 years, the flag and the old behaviour will be removed.
> Last drivers not migrated will have to complete the switch.
>
> Signed-off-by: Thomas Monjalon <thomas at monjalon.net>

Acked-by: Jerin Jacob <jerinj at marvell.com>



> ---
>  doc/guides/rel_notes/deprecation.rst | 6 ++++++
>  1 file changed, 6 insertions(+)
>
> diff --git a/doc/guides/rel_notes/deprecation.rst b/doc/guides/rel_notes/deprecation.rst
> index ea4cfa7a48..b5e8045d00 100644
> --- a/doc/guides/rel_notes/deprecation.rst
> +++ b/doc/guides/rel_notes/deprecation.rst
> @@ -91,6 +91,12 @@ Deprecation Notices
>    - ``rte_eth_dev_stop``
>    - ``rte_eth_dev_close``
>
> +* ethdev: The temporary flag RTE_ETH_DEV_CLOSE_REMOVE will be removed in 20.11.
> +  As a consequence, the new behaviour introduced in 18.11 will be effective
> +  for all drivers: generic port resources are freed on close operation.
> +  Private resources are expected to be released in the ``dev_close`` callback.
> +  More details in http://inbox.dpdk.org/dev/5248162.j6AOsuQRmx@thomas/
> +
>  * ethdev: New offload flags ``DEV_RX_OFFLOAD_FLOW_MARK`` will be added in 19.11.
>    This will allow application to enable or disable PMDs from updating
>    ``rte_mbuf::hash::fdir``.
> --
> 2.27.0
>