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Message-ID: <CALHRZuqKjpr+u237dtE3+0b4mQrJKxDLhA=SKbiNjd0Fo5h1Nw@mail.gmail.com> Date: Thu, 15 Sep 2022 10:50:05 +0530 From: sundeep subbaraya <sundeep.lkml@...il.com> To: Saeed Mahameed <saeedm@...dia.com> Cc: Saeed Mahameed <saeed@...nel.org>, liorna@...dia.com, "David S. Miller" <davem@...emloft.net>, Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, Eric Dumazet <edumazet@...gle.com>, netdev@...r.kernel.org, Tariq Toukan <tariqt@...dia.com>, Raed Salem <raeds@...dia.com>, Subbaraya Sundeep <sbhatta@...vell.com>, naveenm@...vell.com, Sunil Kovvuri Goutham <sgoutham@...vell.com>, Geetha sowjanya <gakula@...vell.com>, atenart@...nel.org Subject: Re: [PATCH net-next V2 07/17] net/mlx5: Add MACsec offload Tx command support + atenart@...nel.org On Thu, Sep 15, 2022 at 10:44 AM sundeep subbaraya <sundeep.lkml@...il.com> wrote: > > On Thu, Sep 15, 2022 at 2:08 AM Saeed Mahameed <saeedm@...dia.com> wrote: > > > > On 14 Sep 20:09, sundeep subbaraya wrote: > > >Hi Saeed and Lior, > > > > > >Your mdo_ops can fail in the commit phase and do not validate input > > >params in the prepare phase. > > >Is that okay? I am developing MACSEC offload driver for Marvell CN10K > > > > It's ok since i think there is no reason to have the two steps system ! it > > doesn't make any sense to me ! prepare and commit are invoked consecutively > > one after the other for all mdo_ops and in every offload flow, with no extra > > step in between! so it's totally redundant. > > > > when i reviewed the series initially i was hesitant to check params > > on prepare step but i didn't see any reason since commit can still fail in > > the firmware anyways and there is nothing we can do about it ! > > Yes, same with us where messages sent to the AF driver can fail in the > commit phase. > > > so we've decide to keep all the flows in one context for better readability > > and since the prepare/commit phases are confusing. > > > Okay. I will do the whole init in the prepare phase only and return 0 > in the commit phase. > > > >and I had to write some clever code > > >to honour that :). Please someone help me understand why two phase > > >init was needed for offloading. > > > > > > > I don't know, let's ask the original author, Antoine ? > > CC: Antoine Tenart <atenart@...nel.org> > > Thanks. I added antoine.tenart@...tlin.com in my previous mail but bounced back. > > Sundeep > > > >
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