From 484e03a6864c4476814acc93e5b810cb12fa994f Mon Sep 17 00:00:00 2001
From: Matthias Schiffer <mschiffer@universe-factory.net>
Date: Wed, 7 Dec 2011 22:50:55 +0100
Subject: BSD: Correctly read numbered v6 addresses on ptp interfaces When
 using IPv6, unnumbered interfaces can have numbered IP addresses; one example
 are link-local addresses, which always have a prefix length of 64.

---
 sysdep/bsd/krt-sock.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/sysdep/bsd/krt-sock.c b/sysdep/bsd/krt-sock.c
index 1647c5e..b70f166 100644
--- a/sysdep/bsd/krt-sock.c
+++ b/sysdep/bsd/krt-sock.c
@@ -544,7 +544,11 @@ krt_read_addr(struct ks_msg *msg)
     _I0(ifa.ip) = 0xfe800000;
 #endif
 
+#ifdef IPV6
+  if ((iface->flags & IF_MULTIACCESS) || (masklen != BITS_PER_IP_ADDRESS))
+#else
   if (iface->flags & IF_MULTIACCESS)
+#endif
   {
     ifa.prefix = ipa_and(ifa.ip, ipa_mkmask(masklen));
 
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