ipvlan: move the device check function into netdevice.h

Move the port check [ipvlan_dev_master()] and device check
[ipvlan_dev_slave()] functions to netdevice.h and rename them
netif_is_ipvlan_port() and netif_is_ipvlan() resp. to be
consistent with macvlan api naming.
Signed-off-by: Mahesh Bandewar <maheshb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ipvlan/ipvlan.h

@@ -107,16 +107,6 @@ static inline struct ipvl_port *ipvlan_port_get_rtnl(const struct net_device *d)
 	return rtnl_dereference(d->rx_handler_data);
 }
 
-static inline bool ipvlan_dev_master(struct net_device *d)
-{
-	return d->priv_flags & IFF_IPVLAN_MASTER;
-}
-
-static inline bool ipvlan_dev_slave(struct net_device *d)
-{
-	return d->priv_flags & IFF_IPVLAN_SLAVE;
-}
-
 void ipvlan_adjust_mtu(struct ipvl_dev *ipvlan, struct net_device *dev);
 void ipvlan_set_port_mode(struct ipvl_port *port, u32 nval);
 void ipvlan_init_secret(void);

drivers/net/ipvlan/ipvlan_main.c

@@ -446,11 +446,11 @@ static int ipvlan_link_new(struct net *src_net, struct net_device *dev,
 	if (!phy_dev)
 		return -ENODEV;
 
-	if (ipvlan_dev_slave(phy_dev)) {
+	if (netif_is_ipvlan(phy_dev)) {
 		struct ipvl_dev *tmp = netdev_priv(phy_dev);
 
 		phy_dev = tmp->phy_dev;
-	} else if (!ipvlan_dev_master(phy_dev)) {
+	} else if (!netif_is_ipvlan_port(phy_dev)) {
 		err = ipvlan_port_create(phy_dev);
 		if (err < 0)
 			return err;
@@ -560,7 +560,7 @@ static int ipvlan_device_event(struct notifier_block *unused,
 	struct ipvl_port *port;
 	LIST_HEAD(lst_kill);
 
-	if (!ipvlan_dev_master(dev))
+	if (!netif_is_ipvlan_port(dev))
 		return NOTIFY_DONE;
 
 	port = ipvlan_port_get_rtnl(dev);
@@ -651,7 +651,7 @@ static int ipvlan_addr6_event(struct notifier_block *unused,
 	struct net_device *dev = (struct net_device *)if6->idev->dev;
 	struct ipvl_dev *ipvlan = netdev_priv(dev);
 
-	if (!ipvlan_dev_slave(dev))
+	if (!netif_is_ipvlan(dev))
 		return NOTIFY_DONE;
 
 	if (!ipvlan || !ipvlan->port)
@@ -723,7 +723,7 @@ static int ipvlan_addr4_event(struct notifier_block *unused,
 	struct ipvl_dev *ipvlan = netdev_priv(dev);
 	struct in_addr ip4_addr;
 
-	if (!ipvlan_dev_slave(dev))
+	if (!netif_is_ipvlan(dev))
 		return NOTIFY_DONE;
 
 	if (!ipvlan || !ipvlan->port)

include/linux/netdevice.h

@@ -3646,6 +3646,16 @@ static inline bool netif_is_macvlan_port(struct net_device *dev)
 	return dev->priv_flags & IFF_MACVLAN_PORT;
 }
 
+static inline bool netif_is_ipvlan(struct net_device *dev)
+{
+	return dev->priv_flags & IFF_IPVLAN_SLAVE;
+}
+
+static inline bool netif_is_ipvlan_port(struct net_device *dev)
+{
+	return dev->priv_flags & IFF_IPVLAN_MASTER;
+}
+
 static inline bool netif_is_bond_master(struct net_device *dev)
 {
 	return dev->flags & IFF_MASTER && dev->priv_flags & IFF_BONDING;