MLX5_PRIV_FLAGS_SWITCH_LEGACY
if (!(priv->mdev->priv.flags & MLX5_PRIV_FLAGS_SWITCH_LEGACY))
esw->dev->priv.flags |= MLX5_PRIV_FLAGS_SWITCH_LEGACY;
esw->dev->priv.flags |= MLX5_PRIV_FLAGS_SWITCH_LEGACY;
esw->dev->priv.flags &= ~MLX5_PRIV_FLAGS_SWITCH_LEGACY;