On Sun, 2020-06-21 at 16:25 -0400, Jarod Wilson wrote:
> On Thu, Jun 11, 2020 at 5:51 PM Saeed Mahameed <sae...@mellanox.com>
> wrote:
> > On Wed, 2020-06-10 at 14:59 -0400, Jarod Wilson wrote:
> > > I've been unable to get my hands on suitable supported hardware
> > > to
> > > date,
> > > but I believe this ought to be all that is needed to enable the
> > > mlx5
> > > driver to also work with bonding active-backup crypto offload
> > > passthru.
> > > 
> > > CC: Boris Pismenny <bor...@mellanox.com>
> > > CC: Saeed Mahameed <sae...@mellanox.com>
> > > CC: Leon Romanovsky <l...@kernel.org>
> > > CC: Jay Vosburgh <j.vosbu...@gmail.com>
> > > CC: Veaceslav Falico <vfal...@gmail.com>
> > > CC: Andy Gospodarek <a...@greyhouse.net>
> > > CC: "David S. Miller" <da...@davemloft.net>
> > > CC: Jeff Kirsher <jeffrey.t.kirs...@intel.com>
> > > CC: Jakub Kicinski <k...@kernel.org>
> > > CC: Steffen Klassert <steffen.klass...@secunet.com>
> > > CC: Herbert Xu <herb...@gondor.apana.org.au>
> > > CC: net...@vger.kernel.org
> > > Signed-off-by: Jarod Wilson <ja...@redhat.com>
> > > ---
> > >  drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c | 6
> > > ++++++
> > >  1 file changed, 6 insertions(+)
> > > 
> > > diff --git
> > > a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c
> > > b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c
> > > index 92eb3bad4acd..72ad6664bd73 100644
> > > --- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c
> > > +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c
> > > @@ -210,6 +210,9 @@ static inline int
> > > mlx5e_xfrm_validate_state(struct xfrm_state *x)
> > >       struct net_device *netdev = x->xso.dev;
> > >       struct mlx5e_priv *priv;
> > > 
> > > +     if (x->xso.slave_dev)
> > > +             netdev = x->xso.slave_dev;
> > > +
> > 
> > Do we really need to repeat this per driver ?
> > why not just setup xso.real_dev, in xfrm layer once and for all
> > before
> > calling device drivers ?
> > 
> > Device drivers will use xso.real_dev blindly.
> > 
> > Will be useful in the future when you add vlan support, etc..
> 
> Apologies, I didn't catch your reply until just recently. Yeah, that
> sounds like a better approach, if I can work it out cleanly. We just
> init xso.real_dev to the same thing as xso.dev, then overwrite it in
> the upper layer drivers (bonding, vlan, etc), while device drivers
> just always use xso.real_dev, if I'm understanding your suggestion.
> I'll see what I can come up with.
> 
> 

Yes, exactly what i meant, Thanks !




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