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From:   Florian Fainelli <f.fainelli@gmail.com>
To:     netdev@vger.kernel.org
Cc:     Florian Fainelli <f.fainelli@gmail.com>,
        Michael Chan <michael.chan@broadcom.com>,
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Subject: [RFC net-next 02/13] rocker: Handle SWITCHDEV_PORT_ATTR_GET/SET
Date:   Fri,  1 Feb 2019 14:06:46 -0800
Message-Id: <20190201220657.30170-3-f.fainelli@gmail.com>
In-Reply-To: <20190201220657.30170-1-f.fainelli@gmail.com>
References: <20190201220657.30170-1-f.fainelli@gmail.com>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

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 rocker to support receiving notifier events targeting
SWITCHDEV_PORT_ATTR_GET/SET and simply translate that into the existing
rocker_port_attr_{set,get} calls.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
---
 drivers/net/ethernet/rocker/rocker_main.c | 24 +++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/drivers/net/ethernet/rocker/rocker_main.c b/drivers/net/ethernet/rocker/rocker_main.c
index 62a205eba9f7..f25f7b4345b8 100644
--- a/drivers/net/ethernet/rocker/rocker_main.c
+++ b/drivers/net/ethernet/rocker/rocker_main.c
@@ -2827,6 +2827,27 @@ rocker_switchdev_port_obj_event(unsigned long event, struct net_device *netdev,
 	return notifier_from_errno(err);
 }
 
+static int
+rocker_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 = rocker_port_attr_set(netdev, port_attr_info->attr,
+					   port_attr_info->trans);
+		break;
+	case SWITCHDEV_PORT_ATTR_GET:
+		err = rocker_port_attr_get(netdev, port_attr_info->attr);
+		break;
+	}
+
+	port_attr_info->handled = true;
+	return notifier_from_errno(err);
+}
+
 static int rocker_switchdev_blocking_event(struct notifier_block *unused,
 					   unsigned long event, void *ptr)
 {
@@ -2839,6 +2860,9 @@ static int rocker_switchdev_blocking_event(struct notifier_block *unused,
 	case SWITCHDEV_PORT_OBJ_ADD:
 	case SWITCHDEV_PORT_OBJ_DEL:
 		return rocker_switchdev_port_obj_event(event, dev, ptr);
+	case SWITCHDEV_PORT_ATTR_SET:
+	case SWITCHDEV_PORT_ATTR_GET:
+		return rocker_switchdev_port_attr_event(event, dev, ptr);
 	}
 
 	return NOTIFY_DONE;
-- 
2.17.1