Hi Suanming
> -----Original Message-----
> From: Suanming Mou <suanmi...@nvidia.com>
> Cc: dev@dpdk.org; Ori Kam <or...@nvidia.com>
> Subject: RE: [RFC] ethdev: add async flow connection tracking configuration
>
> Ping...
>
> > -----Original Message-----
> > From: Suanming Mou <suanmi...@nvidia.com>
> > Sent: Tuesday, August 9, 2022 9:26 PM
> > To: dev@dpdk.org
> > Cc: Ori Kam <or...@nvidia.com>; Xiaoyun Li <xiaoyun...@intel.com>; Aman
> > Singh <aman.deep.si...@intel.com>; Yuying Zhang
> <yuying.zh...@intel.com>;
> > NBU-Contact-Thomas Monjalon (EXTERNAL) <tho...@monjalon.net>;
> Ferruh
> > Yigit <ferruh.yi...@xilinx.com>; Andrew Rybchenko
> > <andrew.rybche...@oktetlabs.ru>
> > Subject: [RFC] ethdev: add async flow connection tracking configuration
> >
> > In queue based async flow engine, in order to optimize the flow insertion
> rate,
> > PMD can use the hints from application to have resources pre-allocate
> during
> > initialization phase for actions such as count/meter/aging.
> >
> > This commit adds the connection tracking action hints.
> >
> > Signed-off-by: Suanming Mou <suanmi...@nvidia.com>
> > ---
> > app/test-pmd/cmdline_flow.c | 10 ++++++++++
> > doc/guides/rel_notes/release_22_11.rst | 6 ++++++
> > lib/ethdev/rte_flow.h | 10 ++++++++++
> > 3 files changed, 26 insertions(+)
> >
> > diff --git a/app/test-pmd/cmdline_flow.c b/app/test-pmd/cmdline_flow.c
> index
> > 7f50028eb7..c9cbf381c4 100644
> > --- a/app/test-pmd/cmdline_flow.c
> > +++ b/app/test-pmd/cmdline_flow.c
> > @@ -219,6 +219,7 @@ enum index {
> > CONFIG_COUNTERS_NUMBER,
> > CONFIG_AGING_OBJECTS_NUMBER,
> > CONFIG_METERS_NUMBER,
> > + CONFIG_CONN_TRACK_NUMBER,
> >
> > /* Indirect action arguments */
> > INDIRECT_ACTION_CREATE,
> > @@ -1081,6 +1082,7 @@ static const enum index next_config_attr[] = {
> > CONFIG_COUNTERS_NUMBER,
> > CONFIG_AGING_OBJECTS_NUMBER,
> > CONFIG_METERS_NUMBER,
> > + CONFIG_CONN_TRACK_NUMBER,
> > END,
> > ZERO,
> > };
> > @@ -2667,6 +2669,14 @@ static const struct token token_list[] = {
> > .args = ARGS(ARGS_ENTRY(struct buffer,
> > args.configure.port_attr.nb_meters)),
> > },
> > + [CONFIG_CONN_TRACK_NUMBER] = {
> > + .name = "conn_tracks_number",
> > + .help = "number of connection trackings",
> > + .next = NEXT(next_config_attr,
> > + NEXT_ENTRY(COMMON_UNSIGNED)),
> > + .args = ARGS(ARGS_ENTRY(struct buffer,
> > +
> > args.configure.port_attr.nb_conn_tracks)),
> > + },
> > /* Top-level command. */
> > [PATTERN_TEMPLATE] = {
> > .name = "pattern_template",
> > diff --git a/doc/guides/rel_notes/release_22_11.rst
> > b/doc/guides/rel_notes/release_22_11.rst
> > index 8c021cf050..c396bfca5f 100644
> > --- a/doc/guides/rel_notes/release_22_11.rst
> > +++ b/doc/guides/rel_notes/release_22_11.rst
> > @@ -55,6 +55,12 @@ New Features
> > Also, make sure to start the actual text at the margin.
> > =======================================================
> >
> > +* **Added configuration for asynchronous flow connection tracking.**
> > +
> > + Added connection tracking action number hint to
> > + ``rte_flow_configure`` and ``rte_flow_info_get``.
> > + PMD can prepare the connection tracking resources accroding to the
> hint.
> > +
> >
> > Removed Items
> > -------------
> > diff --git a/lib/ethdev/rte_flow.h b/lib/ethdev/rte_flow.h index
> > a79f1e7ef0..c2747abc55 100644
> > --- a/lib/ethdev/rte_flow.h
> > +++ b/lib/ethdev/rte_flow.h
> > @@ -4902,6 +4902,11 @@ struct rte_flow_port_info {
> > * @see RTE_FLOW_ACTION_TYPE_METER
> > */
> > uint32_t max_nb_meters;
> > + /**
> > + * Maximum number connection trackings.
> > + * @see RTE_FLOW_ACTION_TYPE_CONNTRACK
> > + */
> > + uint32_t max_nb_conn_tracks;
> > };
> >
> > /**
> > @@ -4971,6 +4976,11 @@ struct rte_flow_port_attr {
> > * @see RTE_FLOW_ACTION_TYPE_METER
> > */
> > uint32_t nb_meters;
> > + /**
> > + * Number of connection trackings to configure.
> > + * @see RTE_FLOW_ACTION_TYPE_CONNTRACK
> > + */
> > + uint32_t nb_conn_tracks;
> > };
> >
> > /**
> > --
> > 2.25.1
Acked-by: Ori Kam <or...@nvidia.com>
Thanks,
Ori
