[master] Add #define for length of prefix we send to v6 client script

1 files changed, 11 insertions, 1 deletions

diff --git a/includes/site.h b/includes/site.h
index 34aba0c0..6ba5a8a7 100644
--- a/includes/site.h
+++ b/includes/site.h
@@ -284,7 +284,17 @@
    entail updating all the records at once, probably at start
    up. */
 #define DDNS_UPDATE_SLOW_TRANSITION
-   
+
+/* Define the default prefix length passed from the client to
+   the script when modifying an IPv6 IA_NA or IA_TA address.
+   The two most useful values are 128 which is what the current
+   specifications call for or 64 which is what has been used in
+   the past.  For most OSes 128 will indicate that the address
+   is a host address and doesn't include any on-link information.
+   64 indicates that the first 64 bits are the subnet or on-link
+   prefix. */
+#define DHCLIENT_DEFAULT_PREFIX_LEN 64
+
 /* Include definitions for various options.  In general these
    should be left as is, but if you have already defined one
    of these and prefer your definition you can comment the