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    SubjectRe: [RFC net-next 01/13] switchdev: Add SWITCHDEV_PORT_ATTR_SET, SWITCHDEV_PORT_ATTR_GET
    Fri, Feb 01, 2019 at 11:06:45PM CET, f.fainelli@gmail.com 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@mellanox.com>
    >Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
    >---
    > 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
    >

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