router: Add PREF64 (RFC 8781) support

[project/odhcpd.git] / src / odhcpd.h

diff --git a/src/odhcpd.h b/src/odhcpd.h
index 420d2a7dd78f0310adce5d311c3539276e745eba..8ab51dc4ceca2288eec2f7488abae7957df6015e 100644 (file)
--- a/src/odhcpd.h
+++ b/src/odhcpd.h
@@ -34,6 +34,9 @@
 #define ND_OPT_RECURSIVE_DNS 25
 #define ND_OPT_DNS_SEARCH 31
 
+// RFC 8781 defines PREF64 option
+#define ND_OPT_PREF64 38
+
 #define INFINITE_VALID(x) ((x) == 0)
 
 #define _unused __attribute__((unused))
@@ -300,6 +303,8 @@ struct interface {
        bool ra_advrouter;
        bool ra_useleasetime;
        bool ra_dns;
+       uint8_t pref64_length;
+       struct in6_addr pref64_addr;
        bool no_dynamic_dhcp;
        bool have_link_local;
        uint8_t pio_filter_length;