diff options
Diffstat (limited to 'lib/prefix.h')
| -rw-r--r-- | lib/prefix.h | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/lib/prefix.h b/lib/prefix.h index 9c57283706..90b792b33c 100644 --- a/lib/prefix.h +++ b/lib/prefix.h @@ -499,11 +499,8 @@ extern int macstr2prefix_evpn(const char *str, struct prefix_evpn *p); /* NOTE: This routine expects the address argument in network byte order. */ static inline bool ipv4_martian(const struct in_addr *addr) { - in_addr_t ip = ntohl(addr->s_addr); - - if (IPV4_NET0(ip) || IPV4_NET127(ip) || !ipv4_unicast_valid(addr)) { + if (!ipv4_unicast_valid(addr)) return true; - } return false; } @@ -601,6 +598,14 @@ static inline bool ipv6_mcast_ssm(const struct in6_addr *addr) return (bits & 0xfff0ffff) == 0xff300000; } +static inline bool ipv6_mcast_reserved(const struct in6_addr *addr) +{ + uint32_t bits = ntohl(addr->s6_addr32[0]); + + /* ffx2::/16 */ + return (bits & 0xff0fffff) == 0xff020000; +} + static inline uint8_t ipv4_mcast_scope(const struct in_addr *addr) { uint32_t bits = ntohl(addr->s_addr); |