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-rw-r--r--sysdep/bsd/krt-sock.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/sysdep/bsd/krt-sock.c b/sysdep/bsd/krt-sock.c
index 4817df3..12ebe6d 100644
--- a/sysdep/bsd/krt-sock.c
+++ b/sysdep/bsd/krt-sock.c
@@ -546,7 +546,17 @@ krt_read_addr(struct ks_msg *msg)
#endif
if (iface->flags & IF_MULTIACCESS)
+ {
ifa.prefix = ipa_and(ifa.ip, ipa_mkmask(masklen));
+
+ if (i->ifa_prefixlen == BITS_PER_IP_ADDRESS - 1)
+ ifa.opposite = ipa_opposite_m1(ifa.ip);
+
+#ifndef IPV6
+ if (i->ifa_prefixlen == BITS_PER_IP_ADDRESS - 2)
+ ifa.opposite = ipa_opposite_m2(ifa.ip);
+#endif
+ }
else /* PtP iface */
{
ifa.flags |= IA_UNNUMBERED;