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Date:   Tue, 26 Feb 2019 17:14:23 -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 4/8] mlxsw: spectrum_switchdev: Handle SWITCHDEV_PORT_ATTR_SET

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

Prepare mlxsw to support receiving notifier events targeting
SWITCHDEV_PORT_ATTR_SET and utilize the switchdev_handle_port_attr_set()
to handle stacking of devices.

Signed-off-by: Florian Fainelli <f.fainelli@...il.com>
---
 .../net/ethernet/mellanox/mlxsw/spectrum_switchdev.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
index 766f5b5f1cf5..c1aedfea3a31 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
@@ -3123,6 +3123,13 @@ static int mlxsw_sp_switchdev_event(struct notifier_block *unused,
 	struct net_device *br_dev;
 	int err;
 
+	if (event == SWITCHDEV_PORT_ATTR_SET) {
+		err = switchdev_handle_port_attr_set(dev, ptr,
+						     mlxsw_sp_port_dev_check,
+						     mlxsw_sp_port_attr_set);
+		return notifier_from_errno(err);
+	}
+
 	/* Tunnel devices are not our uppers, so check their master instead */
 	br_dev = netdev_master_upper_dev_get_rcu(dev);
 	if (!br_dev)
@@ -3446,6 +3453,11 @@ 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:
+		err = switchdev_handle_port_attr_set(dev, ptr,
+						     mlxsw_sp_port_dev_check,
+						     mlxsw_sp_port_attr_set);
+		return notifier_from_errno(err);
 	}
 
 	return NOTIFY_DONE;
-- 
2.17.1

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