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[net-next,v4,7/9] net: dsa: Handle SWITCHDEV_PORT_ATTR_GET/SET

Message ID 20190211191001.8623-8-f.fainelli@gmail.com
State Changes Requested
Delegated to: David Miller
Headers show
Series net: Remove switchdev_ops | expand

Commit Message

Florian Fainelli Feb. 11, 2019, 7:09 p.m. UTC 
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 DSA to support receiving notifier events targeting
SWITCHDEV_PORT_ATTR_GET/SET and simply translate that into the existing
dsa_slave_port_attr_{set,get} calls.

Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
---
 net/dsa/slave.c | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
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Patch

diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index 2e5e7c04821b..66c6c353f4f7 100644
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -1558,6 +1558,27 @@  dsa_slave_switchdev_port_obj_event(unsigned long event,
 	return notifier_from_errno(err);
 }
 
+static int
+dsa_slave_switchdev_port_attr_event(unsigned long event,
+		struct net_device *netdev,
+		struct switchdev_notifier_port_attr_info *port_attr_info)
+{
+	int err = -EOPNOTSUPP;
+
+	switch (event) {
+	case SWITCHDEV_PORT_ATTR_SET:
+		err = dsa_slave_port_attr_set(netdev, port_attr_info->attr,
+					      port_attr_info->trans);
+		break;
+	case SWITCHDEV_PORT_ATTR_GET:
+		err = dsa_slave_port_attr_get(netdev, port_attr_info->attr);
+		break;
+	}
+
+	port_attr_info->handled = true;
+	return notifier_from_errno(err);
+}
+
 static int dsa_slave_switchdev_blocking_event(struct notifier_block *unused,
 					      unsigned long event, void *ptr)
 {
@@ -1570,6 +1591,9 @@  static int dsa_slave_switchdev_blocking_event(struct notifier_block *unused,
 	case SWITCHDEV_PORT_OBJ_ADD: /* fall through */
 	case SWITCHDEV_PORT_OBJ_DEL:
 		return dsa_slave_switchdev_port_obj_event(event, dev, ptr);
+	case SWITCHDEV_PORT_ATTR_SET: /* fall through */
+	case SWITCHDEV_PORT_ATTR_GET:
+		return dsa_slave_switchdev_port_attr_event(event, dev, ptr);
 	}
 
 	return NOTIFY_DONE;