> -----Original Message----- > From: [email protected] <[email protected]> > Sent: Thursday, August 8, 2019 1:48 PM > To: Jerin Jacob Kollanukkaran <[email protected]>; > [email protected]; [email protected]; > [email protected]; [email protected]; [email protected]; > [email protected]; Neil Horman <[email protected]>; John > McNamara <[email protected]>; Marko Kovacevic > <[email protected]> > Cc: [email protected]; Pavan Nikhilesh Bhagavatula <[email protected]> > Subject: [dpdk-dev] [patch v2] doc: announce API change in ethdev offload > flags > > From: Pavan Nikhilesh <[email protected]> > > Add new offload flags ``DEV_RX_OFFLOAD_PTYPE``, ``DEV_RX_OFFLOAD_RSS`` > and ``DEV_RX_OFFLOAD_FLOW_MARK``. > > Signed-off-by: Pavan Nikhilesh <[email protected]> > Acked-by: Andrew Rybchenko <[email protected]>
With DEV_RX_OFFLOAD_RSS to DEV_RX_OFFLOAD_RSS_HASH name change as Andrew suggested. Acked-by: Jerin Jacob <[email protected]> > --- > 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
