net: Move netif_index_is_l3_master to l3mdev.h
Change CONFIG dependency to CONFIG_NET_L3_MASTER_DEV as well.
Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/l3mdev.h b/include/net/l3mdev.h
index e382c77..87cee05 100644
--- a/include/net/l3mdev.h
+++ b/include/net/l3mdev.h
@@ -81,6 +81,25 @@
return NULL;
}
+static inline bool netif_index_is_l3_master(struct net *net, int ifindex)
+{
+ struct net_device *dev;
+ bool rc = false;
+
+ if (ifindex == 0)
+ return false;
+
+ rcu_read_lock();
+
+ dev = dev_get_by_index_rcu(net, ifindex);
+ if (dev)
+ rc = netif_is_l3_master(dev);
+
+ rcu_read_unlock();
+
+ return rc;
+}
+
#else
static inline int l3mdev_master_ifindex_rcu(struct net_device *dev)
@@ -120,6 +139,11 @@
return NULL;
}
+static inline bool netif_index_is_l3_master(struct net *net, int ifindex)
+{
+ return false;
+}
+
#endif
#endif /* _NET_L3MDEV_H_ */