diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index f27fd83..ad9a511 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -441,6 +441,18 @@
 	return __ipv6_addr_diff(a1, a2, sizeof(struct in6_addr));
 }
 
+static __inline__ void ipv6_select_ident(struct frag_hdr *fhdr)
+{
+	static u32 ipv6_fragmentation_id = 1;
+	static DEFINE_SPINLOCK(ip6_id_lock);
+
+	spin_lock_bh(&ip6_id_lock);
+	fhdr->identification = htonl(ipv6_fragmentation_id);
+	if (++ipv6_fragmentation_id == 0)
+		ipv6_fragmentation_id = 1;
+	spin_unlock_bh(&ip6_id_lock);
+}
+
 /*
  *	Prototypes exported by ipv6
  */