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Date:   Fri,  8 Feb 2019 16:32:44 -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 12/16] mlxsw: spectrum_switchdev: Handle SWITCHDEV_PORT_ATTR_SET

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 mlxsw to support receiving notifier events targeting
SWITCHDEV_PORT_ATTR_SET and simply translate that into the existing
mlxsw_sp_port_attr_set() call.

Signed-off-by: Florian Fainelli <f.fainelli@...il.com>
---
 .../mellanox/mlxsw/spectrum_switchdev.c       | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
index 6b09d68671cf..29ffb5cac777 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
@@ -3410,6 +3410,23 @@ mlxsw_sp_switchdev_handle_vxlan_obj_del(struct net_device *vxlan_dev,
 	}
 }
 
+static int
+mlxsw_sp_switchdev_port_attr_event(unsigned long event, struct net_device *dev,
+		struct switchdev_notifier_port_attr_info *port_attr_info)
+{
+	int err = -EOPNOTSUPP;
+
+	switch (event) {
+	case SWITCHDEV_PORT_ATTR_SET:
+		err = mlxsw_sp_port_attr_set(dev, port_attr_info->attr,
+					     port_attr_info->trans);
+		break;
+	}
+
+	port_attr_info->handled = true;
+	return notifier_from_errno(err);
+}
+
 static int mlxsw_sp_switchdev_blocking_event(struct notifier_block *unused,
 					     unsigned long event, void *ptr)
 {
@@ -3433,6 +3450,8 @@ static int mlxsw_sp_switchdev_blocking_event(struct notifier_block *unused,
 							mlxsw_sp_port_dev_check,
 							mlxsw_sp_port_obj_del);
 		return notifier_from_errno(err);
+	case SWITCHDEV_PORT_ATTR_SET:
+		return mlxsw_sp_switchdev_port_attr_event(event, dev, ptr);
 	}
 
 	return NOTIFY_DONE;
-- 
2.17.1

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