Function ats_is_ip_linklocal

include/tscore/ink_inet.h:766–780

Check for Link Local. @return @true if @a ip is link local.

/// Check for Link Local.
/// @return @true if @a ip is link local.
inline bool
ats_is_ip_linklocal(sockaddr const *ip)
{
  bool zret = false;
  if (ats_is_ip4(ip)) {
    in_addr_t a = ats_ip4_addr_cast(ip);
    zret        = ((a & htonl(0xFFFF0000)) == htonl(0xA9FE0000)) // 169.254.0.0/16
      ;
  } else if (ats_is_ip6(ip)) {
    in6_addr a = ats_ip6_addr_cast(ip);
    zret       = ((a.s6_addr[0] == 0xFE) && ((a.s6_addr[1] & 0xC0) == 0x80)) // fe80::/10
      ;
  }
  return zret;
}

/// Check for Link Local.
/// @return @true if @a ip is link local.