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-rw-r--r--include/linux/inetdevice.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/include/linux/inetdevice.h b/include/linux/inetdevice.h
index a64f21a97369..367dc2a0f84a 100644
--- a/include/linux/inetdevice.h
+++ b/include/linux/inetdevice.h
@@ -237,6 +237,20 @@ static inline struct in_device *__in_dev_get_rtnl(const struct net_device *dev)
return rtnl_dereference(dev->ip_ptr);
}
+/* called with rcu_read_lock or rtnl held */
+static inline bool ip_ignore_linkdown(const struct net_device *dev)
+{
+ struct in_device *in_dev;
+ bool rc = false;
+
+ in_dev = rcu_dereference_rtnl(dev->ip_ptr);
+ if (in_dev &&
+ IN_DEV_IGNORE_ROUTES_WITH_LINKDOWN(in_dev))
+ rc = true;
+
+ return rc;
+}
+
static inline struct neigh_parms *__in_dev_arp_parms_get_rcu(const struct net_device *dev)
{
struct in_device *in_dev = __in_dev_get_rcu(dev);