netdev - [PATCH net-next v2 11/16] net: dsa: Handle SWITCHDEV_PORT_ATTR

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Date:   Sun, 10 Feb 2019 09:51:00 -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 11/16] net: dsa: 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 DSA to support receiving notifier events targeting
SWITCHDEV_PORT_ATTR_SET and simply translate that into the existing
dsa_slave_port_attr_set() call.

Signed-off-by: Florian Fainelli <f.fainelli@...il.com>
---
 net/dsa/slave.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index d8eb33979368..ee4b94c5e68e 100644
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -1547,6 +1547,20 @@ dsa_slave_switchdev_port_obj_event(unsigned long event,
 	return notifier_from_errno(err);
 }
 
+static int
+dsa_slave_switchdev_port_attr_set_event(unsigned long event,
+		struct net_device *netdev,
+		struct switchdev_notifier_port_attr_info *port_attr_info)
+{
+	int err;
+
+	err = dsa_slave_port_attr_set(netdev, port_attr_info->attr,
+				      port_attr_info->trans);
+
+	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)
 {
@@ -1559,6 +1573,8 @@ 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:
+		return dsa_slave_switchdev_port_attr_set_event(event, dev, ptr);
 	}
 
 	return NOTIFY_DONE;
-- 
2.19.1