[PATCH] net/mlx5: fix devargs validation for multiclass probe

[Thomas Monjalon]

25/11/2021 11:38, Matan Azrad:
> From: Thomas Monjalon
> > 25/11/2021 07:16, michaelba at nvidia.com:
> > > From: Michael Baum <michaelba at nvidia.com>
> > >
> > > The mlx5_args function reads the devargs and checks if they are valid
> > > for this driver and if not it returns an error.
> > >
> > > This was normal behavior as long as all the devargs come to this
> > > driver, but since it is possible to run several drivers together, the
> > > function may return an error for another driver's devarg even though
> > > it is completely valid.
> > > In addition the function does not allow the user to know which of the
> > > devargs he sent is incorrect, but returns an error without printing
> > > the unknown devarg.
> > >
> > > This patch eliminates the error return in the case of an unknown
> > > devarg, and prints a warning for each such devarg specifically.
> > >
> > > Fixes: 7b4f1e6bd367 ("common/mlx5: introduce common library")
> > > Cc: stable at dpdk.org
> > >
> > > Signed-off-by: Michael Baum <michaelba at nvidia.com>
> > > Acked-by: Matan Azrad <matan at nvidia.com>
> > > ---
> > >  drivers/net/mlx5/mlx5.c | 68
> > > ++++++-----------------------------------
> > >  1 file changed, 9 insertions(+), 59 deletions(-)
> > 
> > It is quite a big patch.
> > How well it has been tested?
> 
> It was tested carefully to see that devargs affect the actual configuration and also to allow running !net classes devargs with the net class.
> 
> > How critical it is to have in 21.11?
> 
> CRYPTO class cannot run with NET\ETH on the same device.
> No significant risk here; I suggest taking.

OK, applied, thanks.