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Supports unique local unicast addresses.

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This commit is contained in:
Ondrej Zajicek 2010-08-12 10:22:40 +02:00
parent 0ef69b1c4a
commit dcc71a7fb7
1 changed files with 6 additions and 4 deletions
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10
lib/ipv6.c
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@ -67,13 +67,15 @@ ipv6_classify(ip_addr *a)
{ {
u32 x = a->addr[0]; 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; 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; 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; 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; unsigned int scope = (x >> 16) & 0x0f;
switch (scope) switch (scope)