Re: [RFC net-next 01/13] switchdev: Add SWITCHDEV_PORT_ATTR_SET, SWITCHDEV_PORT_ATTR_GET

From: Jiri Pirko
Date: Sat Feb 02 2019 - 10:57:41 EST


Fri, Feb 01, 2019 at 11:06:45PM CET, f.fainelli@xxxxxxxxx wrote:
>In preparation for allowing switchdev enabled drivers to veto specific
>attribute settings from within the context of the caller, introduce a
>new switchdev notifier type for port attributes.
>
>Suggested-by: Ido Schimmel <idosch@xxxxxxxxxxxx>
>Signed-off-by: Florian Fainelli <f.fainelli@xxxxxxxxx>
>---
> include/net/switchdev.h | 10 ++++++++++
> 1 file changed, 10 insertions(+)
>
>diff --git a/include/net/switchdev.h b/include/net/switchdev.h
>index 63843ae5dc81..e62fb2693e00 100644
>--- a/include/net/switchdev.h
>+++ b/include/net/switchdev.h
>@@ -145,6 +145,9 @@ enum switchdev_notifier_type {
> SWITCHDEV_VXLAN_FDB_ADD_TO_DEVICE,
> SWITCHDEV_VXLAN_FDB_DEL_TO_DEVICE,
> SWITCHDEV_VXLAN_FDB_OFFLOADED,
>+
>+ SWITCHDEV_PORT_ATTR_SET, /* Blocking. */
>+ SWITCHDEV_PORT_ATTR_GET, /* Blocking. */

Not an UAPI, so you can put this right next to PORT_OBJ_* if needed.


> };
>
> struct switchdev_notifier_info {
>@@ -167,6 +170,13 @@ struct switchdev_notifier_port_obj_info {
> bool handled;
> };
>
>+struct switchdev_notifier_port_attr_info {
>+ struct switchdev_notifier_info info; /* must be first */
>+ struct switchdev_attr *attr;
>+ struct switchdev_trans *trans;
>+ bool handled;
>+};
>+
> static inline struct net_device *
> switchdev_notifier_info_to_dev(const struct switchdev_notifier_info *info)
> {
>--
>2.17.1
>