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-rw-r--r--include/net/addrconf.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/net/addrconf.h b/include/net/addrconf.h
index 01b1a1ad77d2..25100687babb 100644
--- a/include/net/addrconf.h
+++ b/include/net/addrconf.h
@@ -73,6 +73,10 @@ extern int ipv6_chk_home_addr(struct net *net,
const struct in6_addr *addr);
#endif
+bool ipv6_chk_custom_prefix(const struct in6_addr *addr,
+ const unsigned int prefix_len,
+ struct net_device *dev);
+
extern int ipv6_chk_prefix(const struct in6_addr *addr,
struct net_device *dev);