Re: [PATCH 2/4] vdpa/mlx5: Fix is_index_valid() to refer to features

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On Tue, Jan 11, 2022 at 01:16:17PM +0200, Eli Cohen wrote:
> On Tue, Jan 11, 2022 at 01:31:28AM -0800, Si-Wei Liu wrote:
> > 
> > 
> > On 1/10/2022 11:22 PM, Eli Cohen wrote:
> > > Make sure the decision whether an index received trough a callback is
> > > valid or not consults the negotiated features.
> > > 
> > > Signed-off-by: Eli Cohen <elic@xxxxxxxxxx>
> > Reviewed-by: Si-Wei Liu<si-wei.liu@xxxxxxxxxx>
> > 
> > Is there more for this series? Subject says there're 4 patches in total?
> 
> No,there were unrelated patches in my tree that went out.
> 
> Let me see if there are more patches for me to send and if I do, I will
> resend this in the previous one again.

Yea the series is malformed. Not a single thread, etc.


> > 
> > > ---
> > >   drivers/vdpa/mlx5/net/mlx5_vnet.c | 10 +++++++---
> > >   1 file changed, 7 insertions(+), 3 deletions(-)
> > > 
> > > diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c b/drivers/vdpa/mlx5/net/mlx5_vnet.c
> > > index d1ff65065fb1..9eacfdb48434 100644
> > > --- a/drivers/vdpa/mlx5/net/mlx5_vnet.c
> > > +++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c
> > > @@ -133,10 +133,14 @@ struct mlx5_vdpa_virtqueue {
> > >   static bool is_index_valid(struct mlx5_vdpa_dev *mvdev, u16 idx)
> > >   {
> > > -	if (unlikely(idx > mvdev->max_idx))
> > > -		return false;
> > > +	if (!(mvdev->actual_features & BIT_ULL(VIRTIO_NET_F_MQ))) {
> > > +		if (!(mvdev->actual_features & BIT_ULL(VIRTIO_NET_F_CTRL_VQ)))
> > > +			return idx < 2;
> > > +		else
> > > +			return idx < 3;
> > > +	}
> > > -	return true;
> > > +	return idx <= mvdev->max_idx;
> > >   }
> > >   struct mlx5_vdpa_net {
> > 

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