Re: [PATCH 09/15] net: hbl_en: add habanalabs Ethernet driver

[Stephen Hemminger <stephen@networkplumber.org>]

On Thu, 13 Jun 2024 11:22:02 +0300
Omer Shpigelman <oshpigelman@habana.ai> wrote:

> +static int hbl_en_ports_reopen(struct hbl_aux_dev *aux_dev)
> +{
> +	struct hbl_en_device *hdev = aux_dev->priv;
> +	struct hbl_en_port *port;
> +	int rc = 0, i;
> +
> +	for (i = 0; i < hdev->max_num_of_ports; i++) {
> +		if (!(hdev->ports_mask & BIT(i)))
> +			continue;
> +
> +		port = &hdev->ports[i];
> +
> +		/* It could be that the port was shutdown by 'ip link set down' and there is no need
> +		 * in reopening it.
> +		 * Since we mark the ports as in reset even if they are disabled, we clear the flag
> +		 * here anyway.
> +		 * See hbl_en_ports_stop_prepare() for more info.
> +		 */
> +		if (!netif_running(port->ndev)) {
> +			atomic_set(&port->in_reset, 0);
> +			continue;
> +		}
> +

Rather than duplicating network device state in your own flags, it would be better to use
existing infrastructure. Read Documentation/networking/operstates.rst

Then you could also get rid of the kludge timer stuff in hbl_en_close().