Re: [RFC net-next v3 1/7] queue_api: add support for fetching per queue DMA dev

[Jakub Kicinski]

On Fri, 15 Aug 2025 14:03:42 +0300 Dragos Tatulea wrote:
> +static inline struct device *
> +netdev_queue_get_dma_dev(struct net_device *dev, int idx)
> +{
> +	const struct netdev_queue_mgmt_ops *queue_ops = dev->queue_mgmt_ops;
> +	struct device *dma_dev;
> +
> +	if (queue_ops && queue_ops->ndo_queue_get_dma_dev)
> +		dma_dev = queue_ops->ndo_queue_get_dma_dev(dev, idx);
> +	else
> +		dma_dev = dev->dev.parent;
> +
> +	return dma_dev && dma_dev->dma_mask ? dma_dev : NULL;
> +}

This really does not have to live in the header file.