diff options
| -rw-r--r-- | lib/ipv6.c | 10 |
1 files changed, 6 insertions, 4 deletions
@@ -67,13 +67,15 @@ ipv6_classify(ip_addr *a) { u32 x = a->addr[0]; - if ((x & 0xe0000000) == 0x20000000) /* Aggregatable Global Unicast Address */ + if ((x & 0xe0000000) == 0x20000000) /* 2000::/3 Aggregatable Global Unicast Address */ return IADDR_HOST | SCOPE_UNIVERSE; - if ((x & 0xffc00000) == 0xfe800000) /* Link-Local Address */ + if ((x & 0xffc00000) == 0xfe800000) /* fe80::/10 Link-Local Address */ return IADDR_HOST | SCOPE_LINK; - if ((x & 0xffc00000) == 0xfec00000) /* Site-Local Address */ + if ((x & 0xffc00000) == 0xfec00000) /* fec0::/10 Site-Local Address */ return IADDR_HOST | SCOPE_SITE; - if ((x & 0xff000000) == 0xff000000) /* Multicast Address */ + if ((x & 0xfe000000) == 0xfc000000) /* fc00::/7 Unique Local Unicast Address (RFC 4193) */ + return IADDR_HOST | SCOPE_SITE; + if ((x & 0xff000000) == 0xff000000) /* ff00::/8 Multicast Address */ { unsigned int scope = (x >> 16) & 0x0f; switch (scope) |