IB/mlx5: Avoid SMP MADs from VFs
According to the device specification, we need to check that the
has_smi bit is set in vport context before allowing send SMP
MADs from VF.
Fixes: e126ba97dba9 ('mlx5: Add driver for Mellanox Connect-IB adapters')
Signed-off-by: Maor Gottlieb <maorg@mellanox.com>
Reviewed-by: Eli Cohen <eli@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c
index 9021074..9af9b95 100644
--- a/drivers/infiniband/hw/mlx5/qp.c
+++ b/drivers/infiniband/hw/mlx5/qp.c
@@ -3979,6 +3979,12 @@
break;
case IB_QPT_SMI:
+ if (unlikely(!mdev->port_caps[qp->port - 1].has_smi)) {
+ mlx5_ib_warn(dev, "Send SMP MADs is not allowed\n");
+ err = -EPERM;
+ *bad_wr = wr;
+ goto out;
+ }
case MLX5_IB_QPT_HW_GSI:
set_datagram_seg(seg, wr);
seg += sizeof(struct mlx5_wqe_datagram_seg);