linux-kernel - [PATCH net-next v2 6/8] staging: fsl-dpaa2: ethsw: Handle SWITCHDEV_PORT_ATTR

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Date:   Tue, 26 Feb 2019 17:14:25 -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 v2 6/8] staging: fsl-dpaa2: ethsw: Handle SWITCHDEV_PORT_ATTR_SET

Following patches will change the way we communicate setting a port's
attribute and use a blocking notifier to perform those tasks.

Prepare ethsw to support receiving notifier events targeting
SWITCHDEV_PORT_ATTR_SET and simply translate that into the existing
swdev_port_attr_set() call.

Signed-off-by: Florian Fainelli <f.fainelli@...il.com>
---
 drivers/staging/fsl-dpaa2/ethsw/ethsw.c | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/drivers/staging/fsl-dpaa2/ethsw/ethsw.c b/drivers/staging/fsl-dpaa2/ethsw/ethsw.c
index 018399ee8731..b0d2d9bf2532 100644
--- a/drivers/staging/fsl-dpaa2/ethsw/ethsw.c
+++ b/drivers/staging/fsl-dpaa2/ethsw/ethsw.c
@@ -929,6 +929,19 @@ static const struct switchdev_ops ethsw_port_switchdev_ops = {
 	.switchdev_port_attr_set	= swdev_port_attr_set,
 };
 
+static int
+ethsw_switchdev_port_attr_set_event(struct net_device *netdev,
+		struct switchdev_notifier_port_attr_info *port_attr_info)
+{
+	int err;
+
+	err = swdev_port_attr_set(netdev, port_attr_info->attr,
+				  port_attr_info->trans);
+
+	port_attr_info->handled = true;
+	return notifier_from_errno(err);
+}
+
 /* For the moment, only flood setting needs to be updated */
 static int port_bridge_join(struct net_device *netdev,
 			    struct net_device *upper_dev)
@@ -1047,6 +1060,12 @@ static int port_switchdev_event(struct notifier_block *unused,
 	struct ethsw_switchdev_event_work *switchdev_work;
 	struct switchdev_notifier_fdb_info *fdb_info = ptr;
 
+	if (!ethsw_port_dev_check(dev))
+		return NOTIFY_DONE;
+
+	if (event == SWITCHDEV_PORT_ATTR_SET)
+		return ethsw_switchdev_port_attr_set_event(dev, ptr);
+
 	switchdev_work = kzalloc(sizeof(*switchdev_work), GFP_ATOMIC);
 	if (!switchdev_work)
 		return NOTIFY_BAD;
@@ -1115,6 +1134,8 @@ static int port_switchdev_blocking_event(struct notifier_block *unused,
 	case SWITCHDEV_PORT_OBJ_ADD: /* fall through */
 	case SWITCHDEV_PORT_OBJ_DEL:
 		return ethsw_switchdev_port_obj_event(event, dev, ptr);
+	case SWITCHDEV_PORT_ATTR_SET:
+		return ethsw_switchdev_port_attr_set_event(dev, ptr);
 	}
 
 	return NOTIFY_DONE;
-- 
2.17.1