On Tue, May 01, 2018 at 09:16:23AM -0600, David Ahern wrote:
> On 5/1/18 2:16 AM, Ido Schimmel wrote:
> > Since commit 9776d32537d2 ("net: Move call_fib_rule_notifiers up in
> > fib_nl_newrule") it is possible to forbid the installation of
> > unsupported FIB rules.
> >
> > Have mlxsw return an error for non-default FIB rules in addition to the
> > existing extack message.
> >
> > Example:
> > # ip rule add from 198.51.100.1 table 10
> > Error: mlxsw_spectrum: FIB rules not supported.
> >
> > Note that offload is only aborted when non-default FIB rules are already
> > installed and merely replayed during module initialization.
> >
> > Signed-off-by: Ido Schimmel <ido...@mellanox.com>
> > ---
> > drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c | 6 +++---
> > 1 file changed, 3 insertions(+), 3 deletions(-)
> >
> > diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
> > b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
> > index 8e4edb634b11..baea97560029 100644
> > --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
> > +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
> > @@ -5899,7 +5899,7 @@ static int mlxsw_sp_router_fib_rule_event(unsigned
> > long event,
> > }
> >
> > if (err < 0)
> > - NL_SET_ERR_MSG_MOD(extack, "FIB rules not supported. Aborting
> > offload");
> > + NL_SET_ERR_MSG_MOD(extack, "FIB rules not supported");
> >
> > return err;
>
> shouldn't mlxsw_sp_router_fib_rule_event return -EOPNOTSUPP instead of
> -1 (EPERM)?
The -1 wasn't visible until now so it didn't matter. Will change to
-EOPNOTSUPP in v2. Thanks
