[MEDIUM] IPv6 support for stick-tables
Since IPv6 is a different type than IPv4, the pattern fetch functions
src6 and dst6 were added. IPv6 stick-tables can also fetch IPv4 addresses
with src and dst. In this case, the IPv4 addresses are mapped to their
IPv6 counterpart, according to RFC 4291.
diff --git a/include/common/standard.h b/include/common/standard.h
index e20eb77..e7a1052 100644
--- a/include/common/standard.h
+++ b/include/common/standard.h
@@ -549,4 +549,18 @@
return 0;
}
+/* Return true if IPv4 address is part of the network */
+extern int in_net_ipv4(struct in_addr *addr, struct in_addr *mask, struct in_addr *net);
+
+/* Return true if IPv6 address is part of the network */
+extern int in_net_ipv6(struct in6_addr *addr, struct in6_addr *mask, struct in6_addr *net);
+
+/* Map IPv4 adress on IPv6 address, as specified in RFC 3513. */
+extern void v4tov6(struct in6_addr *sin6_addr, struct in_addr *sin_addr);
+
+/* Map IPv6 adress on IPv4 address, as specified in RFC 3513.
+ * Return true if conversion is possible and false otherwise.
+ */
+extern int v6tov4(struct in_addr *sin_addr, struct in6_addr *sin6_addr);
+
#endif /* _COMMON_STANDARD_H */