netdev - [PATCH net-next v2 12/16] mlxsw: spectrum_switchdev: Handle SWITCHDEV_PORT_ATTR

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Message-Id: <20190210175105.31629-13-f.fainelli@gmail.com>
Date:   Sun, 10 Feb 2019 09:51:01 -0800
From:   Florian Fainelli <f.fainelli@...il.com>
To:     netdev@...r.kernel.org
Cc:     Florian Fainelli <f.fainelli@...il.com>, idosch@...lanox.com,
        linux-kernel@...r.kernel.org, devel@...verdev.osuosl.org,
        bridge@...ts.linux-foundation.org, jiri@...lanox.com,
        andrew@...n.ch, vivien.didelot@...il.com
Subject: [PATCH net-next v2 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>
---
 .../ethernet/mellanox/mlxsw/spectrum_switchdev.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
index 6b09d68671cf..39a99db040bd 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
@@ -3410,6 +3410,20 @@ mlxsw_sp_switchdev_handle_vxlan_obj_del(struct net_device *vxlan_dev,
 	}
 }
 
+static int
+mlxsw_sp_switchdev_port_attr_set_event(unsigned long event,
+		struct net_device *dev,
+		struct switchdev_notifier_port_attr_info *port_attr_info)
+{
+	int err;
+
+	err = mlxsw_sp_port_attr_set(dev, port_attr_info->attr,
+				     port_attr_info->trans);
+
+	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 +3447,8 @@ 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_set_event(event, dev, ptr);
 	}
 
 	return NOTIFY_DONE;
-- 
2.19.1