From: Danny Mayer <source@isc.org>
Date: Thu, 1 Aug 2002 03:56:08 +0000 (+0000)
Subject: ipv6 cleanup and reorganization of header information
X-Git-Tag: v9.2.3rc1~104^2~424
X-Git-Url: http://git.ipfire.org/gitweb/index.cgi?a=commitdiff_plain;h=dd472802de36fd7db8c9bfcabfe72b07c5e07b7f;p=thirdparty%2Fbind9.git

ipv6 cleanup and reorganization of header information
---

diff --git a/lib/isc/win32/include/isc/ipv6.h b/lib/isc/win32/include/isc/ipv6.h
index 000e9ff64cc..3822731d81a 100644
--- a/lib/isc/win32/include/isc/ipv6.h
+++ b/lib/isc/win32/include/isc/ipv6.h
@@ -15,7 +15,7 @@
  * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: ipv6.h,v 1.9 2001/07/17 20:29:33 gson Exp $ */
+/* $Id: ipv6.h,v 1.10 2002/08/01 03:56:08 mayer Exp $ */
 
 #ifndef ISC_IPV6_H
 #define ISC_IPV6_H 1
@@ -25,17 +25,24 @@
  *****/
 
 /*
- * This file defines additional information necessary for IP v6 support
+ * IPv6 definitions for systems which do not support IPv6.
+ *
+ * MP:
+ *	No impact.
+ *
+ * Reliability:
+ *	No anticipated impact.
+ *
+ * Resources:
+ *	N/A.
+ *
+ * Security:
+ *	No anticipated impact.
+ *
+ * Standards:
+ *	RFC 2553.
  */
 
-#ifndef AF_INET6
-#define AF_INET6 99
-#endif
-
-#ifndef PF_INET6
-#define PF_INET6 AF_INET6
-#endif
-
 #define s6_addr8	s6_addr
 #define in6_addr in_addr6
 
@@ -45,52 +52,45 @@
 LIBISC_EXTERNAL_DATA extern const struct in_addr6 in6addr_any;
 LIBISC_EXTERNAL_DATA extern const struct in_addr6 in6addr_loopback;
 
-#ifndef ISC_PLATFORM_HAVEIN6PKTINFO
-struct in6_pktinfo {
-	struct in6_addr ipi6_addr;    /* src/dst IPv6 address */
-	unsigned int    ipi6_ifindex; /* send/recv interface index */
-};
-#endif
-
 /*
  * Unspecified
  */
 
-#define IN6_IS_ADDR_UNSPECIFIED(x)      \
-*((u_long *)((x)->s6_addr)    ) == 0 && \
-*((u_long *)((x)->s6_addr) + 1) == 0 && \
-*((u_long *)((x)->s6_addr) + 2) == 0 && \
-*((u_long *)((x)->s6_addr) + 3) == 1 \
+#define IN6_IS_ADDR_UNSPECIFIED(a)      \
+*((u_long *)((a)->s6_addr)    ) == 0 && \
+*((u_long *)((a)->s6_addr) + 1) == 0 && \
+*((u_long *)((a)->s6_addr) + 2) == 0 && \
+*((u_long *)((a)->s6_addr) + 3) == 0 \
 )
 
 /*
  * Loopback
  */
-#define IN6_IS_ADDR_LOOPBACK(x) (\
-*((u_long *)((x)->s6_addr)    ) == 0 && \
-*((u_long *)((x)->s6_addr) + 1) == 0 && \
-*((u_long *)((x)->s6_addr) + 2) == 0 && \
-*((u_long *)((x)->s6_addr) + 3) == 1 \
+#define IN6_IS_ADDR_LOOPBACK(a) (\
+*((u_long *)((a)->s6_addr)    ) == 0 && \
+*((u_long *)((a)->s6_addr) + 1) == 0 && \
+*((u_long *)((a)->s6_addr) + 2) == 0 && \
+*((u_long *)((a)->s6_addr) + 3) == htonl(1) \
 )
 
 /*
  * IPv4 compatible
  */
-#define IN6_IS_ADDR_V4COMPAT(x)  (\
-*((u_long *)((x)->s6_addr)    ) == 0 && \
-*((u_long *)((x)->s6_addr) + 1) == 0 && \
-*((u_long *)((x)->s6_addr) + 2) == 0 && \
-*((u_long *)((x)->s6_addr) + 3) != 0 && \
-*((u_long *)((x)->s6_addr) + 3) != htonl(1) \
+#define IN6_IS_ADDR_V4COMPAT(a)  (\
+*((u_long *)((a)->s6_addr)    ) == 0 && \
+*((u_long *)((a)->s6_addr) + 1) == 0 && \
+*((u_long *)((a)->s6_addr) + 2) == 0 && \
+*((u_long *)((a)->s6_addr) + 3) != 0 && \
+*((u_long *)((a)->s6_addr) + 3) != htonl(1) \
 )
 
 /*
  * Mapped
  */
-#define IN6_IS_ADDR_V4MAPPED(x) (\
-*((u_long *)((x)->s6_addr)    ) == 0 && \
-*((u_long *)((x)->s6_addr) + 1) == 0 && \
-*((u_long *)((x)->s6_addr) + 2) == htonl(0x0000ffff))
+#define IN6_IS_ADDR_V4MAPPED(a) (\
+*((u_long *)((a)->s6_addr)    ) == 0 && \
+*((u_long *)((a)->s6_addr) + 1) == 0 && \
+*((u_long *)((a)->s6_addr) + 2) == htonl(0x0000ffff))
 
 /*
  * Multicast
@@ -98,6 +98,14 @@ struct in6_pktinfo {
 #define IN6_IS_ADDR_MULTICAST(a)	\
 	((a)->s6_addr8[0] == 0xffU)
 
-ISC_LANG_ENDDECLS
+/*
+ * Unicast link / site local.
+ */
+#define IN6_IS_ADDR_LINKLOCAL(a)	(\
+(*((u_long *)((a)->s6_addr)    ) == 0xfe) && \
+((*((u_long *)((a)->s6_addr) + 1) & 0xc0) == 0x80))
+#define IN6_IS_ADDR_SITELOCAL(a)	(\
+(*((u_long *)((a)->s6_addr)    ) == 0xfe) && \
+((*((u_long *)((a)->s6_addr) + 1) & 0xc0) == 0xc0))
 
 #endif /* ISC_IPV6_H */
diff --git a/lib/isc/win32/include/isc/net.h b/lib/isc/win32/include/isc/net.h
index 50bf1995ef2..43e54fbe366 100644
--- a/lib/isc/win32/include/isc/net.h
+++ b/lib/isc/win32/include/isc/net.h
@@ -15,7 +15,7 @@
  * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: net.h,v 1.16 2001/11/27 00:56:25 gson Exp $ */
+/* $Id: net.h,v 1.17 2002/08/01 03:56:08 mayer Exp $ */
 
 #ifndef ISC_NET_H
 #define ISC_NET_H 1
@@ -105,6 +105,18 @@
  * a variable
  */
 #undef interface 
+
+#ifndef INADDR_LOOPBACK
+#define INADDR_LOOPBACK 0x7f000001UL
+#endif
+
+#ifndef ISC_PLATFORM_HAVEIN6PKTINFO
+struct in6_pktinfo {
+	struct in6_addr ipi6_addr;    /* src/dst IPv6 address */
+	unsigned int    ipi6_ifindex; /* send/recv interface index */
+};
+#endif
+
 /*
  * Ensure type in_port_t is defined.
  */