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Date:   Mon,  4 May 2020 00:10:30 +0300
From:   Vladimir Oltean <olteanv@...il.com>
To:     netdev@...r.kernel.org
Cc:     andrew@...n.ch, f.fainelli@...il.com, vivien.didelot@...il.com,
        vinicius.gomes@...el.com, po.liu@....com, xiaoliang.yang@....com,
        mingkai.hu@....com, christian.herber@....com,
        claudiu.manoil@....com, vladimir.oltean@....com,
        alexandru.marginean@....com, vlad@...lov.dev, jiri@...lanox.com,
        idosch@...lanox.com, kuba@...nel.org
Subject: [PATCH net-next 1/6] net: dsa: export dsa_slave_dev_check and dsa_slave_to_port

From: Vladimir Oltean <vladimir.oltean@....com>

To be able to perform mirroring and redirection through tc-flower
offloads (the implementation of which is given raw access to the
flow_cls_offload structure), switch drivers need to be able to call
these functions on act->dev.

Signed-off-by: Vladimir Oltean <vladimir.oltean@....com>
---
Changes from RFC:
None.

 include/net/dsa.h  | 2 ++
 net/dsa/dsa_priv.h | 8 --------
 net/dsa/slave.c    | 9 +++++++++
 3 files changed, 11 insertions(+), 8 deletions(-)

diff --git a/include/net/dsa.h b/include/net/dsa.h
index fb3f9222f2a1..62beaa4c234e 100644
--- a/include/net/dsa.h
+++ b/include/net/dsa.h
@@ -739,6 +739,8 @@ int dsa_port_get_phy_strings(struct dsa_port *dp, uint8_t *data);
 int dsa_port_get_ethtool_phy_stats(struct dsa_port *dp, uint64_t *data);
 int dsa_port_get_phy_sset_count(struct dsa_port *dp);
 void dsa_port_phylink_mac_change(struct dsa_switch *ds, int port, bool up);
+bool dsa_slave_dev_check(const struct net_device *dev);
+struct dsa_port *dsa_slave_to_port(const struct net_device *dev);
 
 struct dsa_tag_driver {
 	const struct dsa_device_ops *ops;
diff --git a/net/dsa/dsa_priv.h b/net/dsa/dsa_priv.h
index 6d9a1ef65fa0..32bf570fd71c 100644
--- a/net/dsa/dsa_priv.h
+++ b/net/dsa/dsa_priv.h
@@ -173,19 +173,11 @@ extern const struct dsa_device_ops notag_netdev_ops;
 void dsa_slave_mii_bus_init(struct dsa_switch *ds);
 int dsa_slave_create(struct dsa_port *dp);
 void dsa_slave_destroy(struct net_device *slave_dev);
-bool dsa_slave_dev_check(const struct net_device *dev);
 int dsa_slave_suspend(struct net_device *slave_dev);
 int dsa_slave_resume(struct net_device *slave_dev);
 int dsa_slave_register_notifier(void);
 void dsa_slave_unregister_notifier(void);
 
-static inline struct dsa_port *dsa_slave_to_port(const struct net_device *dev)
-{
-	struct dsa_slave_priv *p = netdev_priv(dev);
-
-	return p->dp;
-}
-
 static inline struct net_device *
 dsa_slave_to_master(const struct net_device *dev)
 {
diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index ba8bf90dc0cc..4eeb5b47ef99 100644
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -62,6 +62,14 @@ static int dsa_slave_get_iflink(const struct net_device *dev)
 	return dsa_slave_to_master(dev)->ifindex;
 }
 
+struct dsa_port *dsa_slave_to_port(const struct net_device *dev)
+{
+	struct dsa_slave_priv *p = netdev_priv(dev);
+
+	return p->dp;
+}
+EXPORT_SYMBOL_GPL(dsa_slave_to_port);
+
 static int dsa_slave_open(struct net_device *dev)
 {
 	struct net_device *master = dsa_slave_to_master(dev);
@@ -1836,6 +1844,7 @@ bool dsa_slave_dev_check(const struct net_device *dev)
 {
 	return dev->netdev_ops == &dsa_slave_netdev_ops;
 }
+EXPORT_SYMBOL_GPL(dsa_slave_dev_check);
 
 static int dsa_slave_changeupper(struct net_device *dev,
 				 struct netdev_notifier_changeupper_info *info)
-- 
2.17.1

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