Re: [PATCH net-next v3 5/6] net: lan966x: Add vlan support

Vladimir Oltean
2021-12-09T13:59:33Z

On Thu, Dec 09, 2021 at 10:46:14AM +0100, Horatiu Vultur wrote:
> +int lan966x_vlan_port_set_vid(struct lan966x_port *port, u16 vid,
> + bool pvid, bool untagged)
> +{
> + struct lan966x *lan966x = port->lan966x;
> +
> + /* Egress vlan classification */
> + if (untagged && port->vid != vid) {
> + if (port->vid) {
> + dev_err(lan966x->dev,
> + "Port already has a native VLAN: %d\n",
> + port->vid);
> + return -EBUSY;

Are you interested in supporting the use case from 0da1a1c48911 ("net:
mscc: ocelot: allow a config where all bridge VLANs are egress-untagged")?
Because it would be good if the driver was structured that way from the
get-go instead of patching it later.

> + }
> + port->vid = vid;
> + }
> +
> + /* Default ingress vlan classification */
> + if (pvid)
> + port->pvid = vid;
> +
> + return 0;
> +}