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

Stephen Hemminger
2024-06-15T00:10:44Z

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().