Re: [dpdk-dev] [EXT] Re: [PATCH v2 1/2] drivers: add octeontx crypto adapter framework

[Thomas Monjalon <thomas@monjalon.net>]

20/07/2021 14:14, David Marchand:
> On Tue, Jul 20, 2021 at 1:59 PM Akhil Goyal <gakhil@marvell.com> wrote:
> >
> >  Hi David,
> > >
> > > > >  deps += ['common_octeontx', 'mempool_octeontx', 'bus_vdev',
> > > > 'net_octeontx']
> > > > > +deps += ['crypto_octeontx']
> > > >
> > > > This extra dependency resulted in disabling the event/octeontx driver
> > > > in FreeBSD, since crypto/octeontx only builds on Linux.
> > > > Removing hw support triggers a ABI failure for FreeBSD.
> > > >
> > > >
> > > > - This had been reported by UNH CI:
> > > > http://mails.dpdk.org/archives/test-report/2021-June/200637.html
> > > > It seems the result has been ignored but it should have at least
> > > > raised some discussion.
> > > >
> > > This was highlighted to CI ML
> > > http://patches.dpdk.org/project/dpdk/patch/0686a7c3fb3a22e37378a8545b
> > > c37bce04f4c391.1624481225.git.sthotton@marvell.com/
> > >
> > > but I think I missed to take the follow up with Brandon and applied the patch
> > > as it did not look an issue to me as octeon drivers are not currently built on
> > > FreeBSD.
> > > Not sure why event driver is getting built there.
> > >
> > > >
> > > > - I asked UNH to stop testing FreeBSD abi for now, waiting to get the
> > > > main branch fixed.
> > > >
> > > > I don't have the time to look at this, please can you work on it?
> > > >
> > > > Several options:
> > > > * crypto/octeontx is made so that it compiles on FreeBSD,
> > > > * the abi check is extended to have exceptions per OS,
> > > > * the FreeBSD abi reference is regenerated at UNH not to have those
> > > > drivers in it (not sure it is doable),
> > >
> > > Thanks for the suggestions, we are working on it to resolve this as soon as
> > > possible.
> > > We may need to add exception in ABI checking so that it does not shout if a
> > > PMD
> > > is not compiled.
> > Can we have below change? Will it work to disable compilation of
> > event/octeontx2 for FreeBSD? I believe this was done by mistake earlier
> > as all other octeontx2 drivers are compiled off on platforms other than Linux.
> >
> > diff --git a/drivers/event/octeontx2/meson.build b/drivers/event/octeontx2/meson.build
> > index 96ebb1f2e7..1ebc51f73f 100644
> > --- a/drivers/event/octeontx2/meson.build
> > +++ b/drivers/event/octeontx2/meson.build
> > @@ -2,7 +2,7 @@
> >  # Copyright(C) 2019 Marvell International Ltd.
> >  #
> >
> > -if not dpdk_conf.get('RTE_ARCH_64')
> > +if not is_linux or not dpdk_conf.get('RTE_ARCH_64')
> >      build = false
> >      reason = 'only supported on 64-bit'
> >      subdir_done()
> 
> I did not suggest this possibility.
> That's the same as for other octeon drivers, such change has been
> deferred to 21.11.
> https://patches.dpdk.org/project/dpdk/list/?series=15885
> 
> >
> > Or of this does not work, then we would need to add exception in ABI checking.
> > Any suggestions how to do this?
> 
> Sorry, no good idea from me.

We would need to revert the change breaking the ABI test.
But I don't understand why it seems passing in recent CI runs?