> > This is an ABI change notice for DPDK 17.08 in librte_ether > about changes in rte_eth_txmode structure. > > Currently Tx offloads are enabled by default, and can be disabled > using ETH_TXQ_FLAGS_NO* flags. This behaviour is not consistent with > the Rx side where the Rx offloads are disabled by default and enabled > according to bit field in rte_eth_rxmode structure. > > The proposal is to disable the Tx offloads by default, and provide > a way for the application to enable them in rte_eth_txmode structure. > Besides of making the Tx configuration API more consistent for > applications, PMDs will be able to provide a better out of the > box performance. > Finally, as part of the work, the ETH_TXQ_FLAGS_NO* will > be superseded as well. > > Signed-off-by: Shahaf Shuler <shah...@mellanox.com> > --- > looks like this patch has arrived to everyone > besides dev@dpdk.org resending it again. sorry for > the noise. > --- > doc/guides/rel_notes/deprecation.rst | 8 ++++++++ > 1 file changed, 8 insertions(+) > > diff --git a/doc/guides/rel_notes/deprecation.rst > b/doc/guides/rel_notes/deprecation.rst > index a3e7c720c..0920b4766 100644 > --- a/doc/guides/rel_notes/deprecation.rst > +++ b/doc/guides/rel_notes/deprecation.rst > @@ -81,3 +81,11 @@ Deprecation Notices > > - ``rte_crpytodev_scheduler_mode_get``, replaced by > ``rte_cryptodev_scheduler_mode_get`` > - ``rte_crpytodev_scheduler_mode_set``, replaced by > ``rte_cryptodev_scheduler_mode_set`` > + > +* ethdev: in 17.08 ABI changes are planned: > + Tx offloads will no longer be enabled by default. > + Instead, the ``rte_eth_txmode`` structure will be extended with bit field > to enable > + each Tx offload. > + Besides of making the Rx/Tx configuration API more consistent for the > + application, PMDs will be able to provide a better out of the box > performance. > + as part of the work, ``ETH_TXQ_FLAGS_NO*`` will be superseded as well.
Seems ok to me, the only extra suggestion I have: instead of introducing new bit-fields can we make txmode (and rxmode) to use DEV_TX_OFFLOAD_(DEV_RX_OFFLOAD_)* values to specify desired tx(/rx) offloads. Konstantin > -- > 2.12.0