netdev - [PATCH net-next v4 2/9] switchdev: Add SWITCHDEV_PORT_ATTR_SET, SWITCHDEV_PORT_ATTR

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Date:   Mon, 11 Feb 2019 11:09:54 -0800
From:   Florian Fainelli <f.fainelli@...il.com>
To:     netdev@...r.kernel.org
Cc:     Florian Fainelli <f.fainelli@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Ido Schimmel <idosch@...lanox.com>,
        linux-kernel@...r.kernel.org (open list),
        devel@...verdev.osuosl.org (open list:STAGING SUBSYSTEM),
        bridge@...ts.linux-foundation.org (moderated list:ETHERNET BRIDGE),
        jiri@...lanox.com, andrew@...n.ch, vivien.didelot@...il.com
Subject: [PATCH net-next v4 2/9] switchdev: Add SWITCHDEV_PORT_ATTR_SET, SWITCHDEV_PORT_ATTR_GET

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@...lanox.com>
Acked-by: Jiri Pirko <jiri@...lanox.com>
Signed-off-by: Florian Fainelli <f.fainelli@...il.com>
---
 include/net/switchdev.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/include/net/switchdev.h b/include/net/switchdev.h
index 5e87b54c5dc5..b8becabbef38 100644
--- a/include/net/switchdev.h
+++ b/include/net/switchdev.h
@@ -143,6 +143,9 @@ 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. */
 };
 
 struct switchdev_notifier_info {
@@ -165,6 +168,13 @@ 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