Mon, Feb 11, 2019 at 12:40:03AM CET, f.fainelli@xxxxxxxxx wrote:
>Following patches will change the way we communicate getting or setting
>a port's attribute and use a blocking notifier to perform those tasks.
>
>Prepare ocelot to support receiving notifier events targeting
>SWITCHDEV_PORT_ATTR_GET/SET and simply translate that into the existing
>ocelot_port_attr_{set,get} calls.
>
>Signed-off-by: Florian Fainelli <f.fainelli@xxxxxxxxx>
>---
> drivers/net/ethernet/mscc/ocelot.c | 21 +++++++++++++++++++++
> 1 file changed, 21 insertions(+)
>
>diff --git a/drivers/net/ethernet/mscc/ocelot.c b/drivers/net/ethernet/mscc/ocelot.c
>index 195306d05bcd..850a49033a30 100644
>--- a/drivers/net/ethernet/mscc/ocelot.c
>+++ b/drivers/net/ethernet/mscc/ocelot.c
>@@ -1582,6 +1582,24 @@ struct notifier_block ocelot_netdevice_nb __read_mostly = {
> };
> EXPORT_SYMBOL(ocelot_netdevice_nb);
>
>+static int
>+ocelot_switchdev_port_attr_event(unsigned long event,
>+ struct net_device *netdev,
>+ struct switchdev_notifier_port_attr_info *port_attr_info)
>+{
>+ int err = -EOPNOTSUPP;
>+
>+ switch (event) {
>+ case SWITCHDEV_PORT_ATTR_SET:
>+ err = ocelot_port_attr_set(netdev, port_attr_info->attr,
>+ port_attr_info->trans);
>+ break;
>+ }
>+
>+ port_attr_info->handled = true;
>+ return notifier_from_errno(err);
>+}
>+
> static int ocelot_switchdev_blocking_event(struct notifier_block *unused,
> unsigned long event, void *ptr)
> {
>@@ -1600,6 +1618,9 @@ static int ocelot_switchdev_blocking_event(struct notifier_block *unused,
> ocelot_netdevice_dev_check,
> ocelot_port_obj_del);
> return notifier_from_errno(err);
>+ case SWITCHDEV_PORT_ATTR_SET:
>+ case SWITCHDEV_PORT_ATTR_GET: /* fallthrough */
I think that the "fallthrough" comment should be for "ATTR_SET" case.
Anyway:
Acked-by: Jiri Pirko <jiri@xxxxxxxxxxxx>
>+ return ocelot_switchdev_port_attr_event(event, dev, ptr);
> }
>
> return NOTIFY_DONE;
>--
>2.19.1
>
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