Re: [PATCH net-next 10/16] rocker: Handle SWITCHDEV_PORT_ATTR_SET

From: Jiri Pirko
Date: Sat Feb 09 2019 - 13:31:06 EST


Sat, Feb 09, 2019 at 01:32:42AM CET, f.fainelli@xxxxxxxxx wrote:
>Following patches will change the way we communicate getting or setting

Just "setting", no "getting".


>a port's attribute and use a blocking notifier to perform those tasks.
>
>Prepare rocker to support receiving notifier events targeting
>SWITCHDEV_PORT_ATTR_SET and simply translate that into the existing
>rocker_port_attr_set call.
>
>Signed-off-by: Florian Fainelli <f.fainelli@xxxxxxxxx>
>---
> drivers/net/ethernet/rocker/rocker_main.c | 20 ++++++++++++++++++++
> 1 file changed, 20 insertions(+)
>
>diff --git a/drivers/net/ethernet/rocker/rocker_main.c b/drivers/net/ethernet/rocker/rocker_main.c
>index ff3f14504f4f..f10e4888ecff 100644
>--- a/drivers/net/ethernet/rocker/rocker_main.c
>+++ b/drivers/net/ethernet/rocker/rocker_main.c
>@@ -2811,6 +2811,24 @@ rocker_switchdev_port_obj_event(unsigned long event, struct net_device *netdev,
> return notifier_from_errno(err);
> }
>
>+static int
>+rocker_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:

Do you expect some other event to be handled in
rocker_switchdev_port_attr_event()? Because you have SWITCHDEV_PORT_ATTR_SET
selected in case here and in rocker_switchdev_blocking_event.
Perhaps you can rename rocker_switchdev_port_attr_event() to
rocker_switchdev_port_attr_set_event() and avoid this switchcase.


>+ err = rocker_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 rocker_switchdev_blocking_event(struct notifier_block *unused,
> unsigned long event, void *ptr)
> {
>@@ -2823,6 +2841,8 @@ static int rocker_switchdev_blocking_event(struct notifier_block *unused,
> case SWITCHDEV_PORT_OBJ_ADD:
> case SWITCHDEV_PORT_OBJ_DEL:
> return rocker_switchdev_port_obj_event(event, dev, ptr);
>+ case SWITCHDEV_PORT_ATTR_SET:
>+ return rocker_switchdev_port_attr_event(event, dev, ptr);
> }
>
> return NOTIFY_DONE;
>--
>2.17.1
>