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Date:   Fri,  1 Feb 2019 14:06:46 -0800
From:   Florian Fainelli <f.fainelli@...il.com>
To:     netdev@...r.kernel.org
Cc:     Florian Fainelli <f.fainelli@...il.com>,
        Michael Chan <michael.chan@...adcom.com>,
        "David S. Miller" <davem@...emloft.net>,
        Derek Chickles <dchickles@...vell.com>,
        Satanand Burla <sburla@...vell.com>,
        Felix Manlunas <fmanlunas@...vell.com>,
        Saeed Mahameed <saeedm@...lanox.com>,
        Leon Romanovsky <leon@...nel.org>,
        Jiri Pirko <jiri@...lanox.com>,
        Ido Schimmel <idosch@...lanox.com>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Microchip Linux Driver Support <UNGLinuxDriver@...rochip.com>,
        Jakub Kicinski <jakub.kicinski@...ronome.com>,
        Ioana Radulescu <ruxandra.radulescu@....com>,
        Ioana Ciornei <ioana.ciornei@....com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Ivan Vecera <ivecera@...hat.com>, Andrew Lunn <andrew@...n.ch>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Dirk van der Merwe <dirk.vandermerwe@...ronome.com>,
        "Francois H. Theron" <francois.theron@...ronome.com>,
        Simon Horman <simon.horman@...ronome.com>,
        Quentin Monnet <quentin.monnet@...ronome.com>,
        Daniel Borkmann <daniel@...earbox.net>,
        Eric Dumazet <edumazet@...gle.com>,
        John Hurley <john.hurley@...ronome.com>,
        Edwin Peer <edwin.peer@...ronome.com>,
        linux-kernel@...r.kernel.org (open list),
        linux-rdma@...r.kernel.org (open list:MELLANOX MLX5 core VPI driver),
        oss-drivers@...ronome.com (open list:NETRONOME ETHERNET DRIVERS),
        devel@...verdev.osuosl.org (open list:STAGING SUBSYSTEM)
Subject: [RFC net-next 02/13] rocker: Handle SWITCHDEV_PORT_ATTR_GET/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 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@...il.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

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