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| author | Steinar H. Gunderson <sesse@google.com> | 2010-12-20 11:33:31 +0100 |
|---|---|---|
| committer | Steinar H. Gunderson <sesse@google.com> | 2011-01-14 21:40:57 +0100 |
| commit | f4dca7be3b7bc181f1534be187428c5a52cb8c6a (patch) | |
| tree | 57af0fbd576aa45931a61df95ddef3d6b3003968 | |
| parent | a798b9f0e171643b0bc7bbf79f14cb018689f715 (diff) | |
| download | bionic-f4dca7be3b7bc181f1534be187428c5a52cb8c6a.tar.gz | |
Backport (simple cherry-pick) 64b6c43379dba176659bc1313b6bb488ac94cfd6
to gingerbread.
Add a new #define IN6_IS_ADDR_ULA, for testing for Universal Local IPv6 Unicast addresses (ULAs). These replace the old site-local IPv6 addresses.
| -rw-r--r-- | libc/include/netinet/in6.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libc/include/netinet/in6.h b/libc/include/netinet/in6.h index 2f5fee116..efd5c0a41 100644 --- a/libc/include/netinet/in6.h +++ b/libc/include/netinet/in6.h @@ -60,6 +60,10 @@ #define IN6_IS_ADDR_SITELOCAL(a) \ (((a)->s6_addr[0] == 0xfe) && (((a)->s6_addr[1] & 0xc0) == 0xc0)) +/* RFC 4193. */ +#define IN6_IS_ADDR_ULA(a) \ + (((a)->s6_addr[0] & 0xfe) == 0xfc) + #define IN6_IS_ADDR_MULTICAST(a) \ (((__const uint8_t *) (a))[0] == 0xff) |