> -----Original Message----- > From: pbhagavat...@marvell.com <pbhagavat...@marvell.com> > Sent: Thursday, August 8, 2019 1:48 PM > To: Jerin Jacob Kollanukkaran <jer...@marvell.com>; > step...@networkplumber.org; arybche...@solarflare.com; > hemant.agra...@nxp.com; tho...@monjalon.net; ferruh.yi...@intel.com; > bruce.richard...@intel.com; Neil Horman <nhor...@tuxdriver.com>; John > McNamara <john.mcnam...@intel.com>; Marko Kovacevic > <marko.kovace...@intel.com> > Cc: dev@dpdk.org; Pavan Nikhilesh Bhagavatula <pbhagavat...@marvell.com> > Subject: [dpdk-dev] [patch v2] doc: announce API change in ethdev offload > flags > > From: Pavan Nikhilesh <pbhagavat...@marvell.com> > > Add new offload flags ``DEV_RX_OFFLOAD_PTYPE``, ``DEV_RX_OFFLOAD_RSS`` > and ``DEV_RX_OFFLOAD_FLOW_MARK``. > > Signed-off-by: Pavan Nikhilesh <pbhagavat...@marvell.com> > Acked-by: Andrew Rybchenko <arybche...@solarflare.com>
With DEV_RX_OFFLOAD_RSS to DEV_RX_OFFLOAD_RSS_HASH name change as Andrew suggested. Acked-by: Jerin Jacob <jer...@marvell.com> > --- > v2: Reword for clarity. > > doc/guides/rel_notes/deprecation.rst | 13 +++++++++++++ > 1 file changed, 13 insertions(+) > > diff --git a/doc/guides/rel_notes/deprecation.rst > b/doc/guides/rel_notes/deprecation.rst > index 37b8592b6..79e50a272 100644 > --- a/doc/guides/rel_notes/deprecation.rst > +++ b/doc/guides/rel_notes/deprecation.rst > @@ -78,3 +78,16 @@ Deprecation Notices > to set new power environment if power environment was already initialized. > In this case the function will return -1 unless the environment is unset > first > (using ``rte_power_unset_env``). Other function usage scenarios will not > change. > + > +* ethdev: New offload flags ``DEV_RX_OFFLOAD_PTYPE``, > +``DEV_RX_OFFLOAD_RSS`` > + and ``DEV_RX_OFFLOAD_FLOW_MARK`` will be added in 19.11. > + This will allow application to enable or disable PMDs from updating > + ``rte_mbuf`` fields ``rte_mbuf::packet_type``, > +``rte_mbuf::hash::rss`` and > + ``rte_mbuf::hash::fdir`` respectively. > + This scheme will allow PMDs to avoid writes to ``rte_mbuf`` fields on > +Rx and > + thereby improve Rx performance if application wishes do so. > + In 19.11 PMDs will still update the fields even when the offloads are > +not > + enabled. > + The exact semantics of the flags will be worked out later either by > +making > + them negative offloads to avoid application change or positive > +offload to > + align with existing offload flag semantics. > -- > 2.17.1
