[dpdk-dev] [PATCH v4 1/1] ethdev: introduce indirect action APIs
Bing Zhao
bingz at nvidia.com
Mon Apr 19 17:05:34 CEST 2021
Hi Thomas,
All the comments were addressed in the v5.
Many thanks.
> -----Original Message-----
> From: Thomas Monjalon <thomas at monjalon.net>
> Sent: Monday, April 19, 2021 8:26 PM
> To: Ori Kam <orika at nvidia.com>; Bing Zhao <bingz at nvidia.com>
> Cc: ferruh.yigit at intel.com; andrew.rybchenko at oktetlabs.ru; Matan
> Azrad <matan at nvidia.com>; Slava Ovsiienko <viacheslavo at nvidia.com>;
> dev at dpdk.org; ajit.khaparde at broadcom.com; Gregory Etelson
> <getelson at nvidia.com>; Andrey Vesnovaty <andreyv at nvidia.com>
> Subject: Re: [dpdk-dev] [PATCH v4 1/1] ethdev: introduce indirect
> action APIs
>
> External email: Use caution opening links or attachments
>
>
> 16/04/2021 19:33, Bing Zhao:
> > --- a/doc/guides/rel_notes/release_21_05.rst
> > +++ b/doc/guides/rel_notes/release_21_05.rst
> > @@ -234,6 +234,9 @@ API Changes
> > * pci: The value ``PCI_ANY_ID`` is marked as deprecated
> > and can be replaced with ``RTE_PCI_ANY_ID``.
> >
> > +* ethdev: The experimental shared action APIs in ``rte_flow.h``
> has
> > +been
>
> s/APIs/API/
> An API may cover more than a function, it is an interface globally.
>
> > + replaced from ``rte_flow_shared_action_*`` to indirect action
> APIs
> > + named
>
> s/APIs/API/
>
> > + ``rte_flow_action_handle_*``.
>
> A blank line is missing here.
>
> I propose a reword:
>
> * ethdev: The experimental flow API for shared action has been
> generalized
> as a flow action handle used in rules through an indirect action.
> The functions ``rte_flow_shared_action_*`` manipulating the action
> object
> are replaced with ``rte_flow_action_handle_*``.
> The action ``RTE_FLOW_ACTION_TYPE_SHARED`` is deprecated and can
> be
> replaced with ``RTE_FLOW_ACTION_TYPE_INDIRECT``.
>
> > --- a/doc/guides/testpmd_app_ug/testpmd_funcs.rst
> > +++ b/doc/guides/testpmd_app_ug/testpmd_funcs.rst
> > +Creating indirect actions
> > +~~~~~~~~~~~~~~~~~~~~~~~~~
>
> empty line missing after title
>
> > +``flow indirect_action {port_id} create`` creates indirect action
> > +with optional indirect action ID. It is bound to
> ``rte_flow_action_handle_create()``::
> [...]
> > +Updating indirect actions
> > +~~~~~~~~~~~~~~~~~~~~~~~~~
>
> empty line
>
> > +``flow indirect_action {port_id} update`` updates configuration
> of
> > +the indirect action from its indirect action ID (as returned by
> > +``flow indirect_action {port_id} create``). It is bound to
> > +``rte_flow_action_handle_update()``::
> [...]
> > +Destroying indirect actions
> > +~~~~~~~~~~~~~~~~~~~~~~~~~~~
>
> same here and other places
>
> > +``flow indirect_action {port_id} destroy`` destroys one or more
> > +indirect actions from their indirect action IDs (as returned by
> > +``flow indirect_action {port_id} create``). It is bound to
> > +``rte_flow_action_handle_destroy()``::
>
> [...]
> > --- a/lib/librte_ethdev/rte_flow.h
> > +++ b/lib/librte_ethdev/rte_flow.h
>
> We should add a comment to RTE_FLOW_ACTION_TYPE_SHARED, that it is
> deprecated.
>
> > + /**
> > + * Describe indirect action that could be used by a single
> flow rule
> > + * or multiple flow rules.
> > + *
> > + * Allow flow rule(s) reference the same action by the
> indirect action
> > + * handle (see struct rte_flow_action_handle), rules could
> be on the
> > + * same port or across different ports.
> > + */
>
> Proposed reword:
>
> An action handle is referenced in a rule through an indirect action.
>
> The same action handle may be used in multiple rules for the same or
> different ethdev ports.
>
> @see rte_flow_action_handle
>
> > + RTE_FLOW_ACTION_TYPE_INDIRECT,
> > };
> [...]
> > - * Opaque type returned after successfully creating a shared
> action.
> > + * Opaque type returned after successfully creating an indirect
> action object.
> > + * The definition of the object handle will be different per
> driver
> > + or
>
> s/will be/is/
>
> > + * per immediate action type.
> > *
> > - * This handle can be used to manage and query the related action:
> > - * - share it across multiple flow rules
> > - * - update action configuration
> > - * - query action data
> > - * - destroy action
> > + * This handle can be used to manage and query the related
> immediate action:
> > + * - referenced in single flow rule or across multiple flow rules
> > + * over multiple ports
> > + * - update action object configuration
> > + * - query action object data
> > + * - destroy action object
> > */
> > -struct rte_flow_shared_action;
> > +struct rte_flow_action_handle;
>
> [...]
> > + * Create an indirect action object that can be used by flow
> create,
> > + and
> > + * could also be shared by different flows.
>
> Can be simpler:
> Create an indirect action object that can be used in flow rules via
> its handle.
>
BR. Bing
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