[IPV4]: Add inet_dev_addr_type()

Address type search can be limited to an interface by
inet_dev_addr_type function.

Signed-off-by: Laszlo Attila Toth <panther@balabit.hu>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 0 deletions

diff --git a/include/net/route.h b/include/net/route.h
index 59b0b19205a2..76b08c1affc0 100644
--- a/include/net/route.h
+++ b/include/net/route.h
@@ -118,6 +118,7 @@ extern unsigned short	ip_rt_frag_needed(struct iphdr *iph, unsigned short new_mt
 extern void             ip_rt_send_redirect(struct sk_buff *skb);
 
 extern unsigned         inet_addr_type(__be32 addr);
+extern unsigned         inet_dev_addr_type(const struct net_device *dev, __be32 addr);
 extern void             ip_rt_multicast_event(struct in_device *);
 extern int              ip_rt_ioctl(unsigned int cmd, void __user *arg);
 extern void             ip_rt_get_source(u8 *src, struct rtable *rt);