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-rw-r--r--proto/radv/radv.h23
1 files changed, 22 insertions, 1 deletions
diff --git a/proto/radv/radv.h b/proto/radv/radv.h
index 559a3f3f..54d7c6f0 100644
--- a/proto/radv/radv.h
+++ b/proto/radv/radv.h
@@ -121,6 +121,23 @@ struct radv_proto
u8 active; /* Whether radv is active w.r.t. triggers */
};
+struct radv_prefix /* One prefix we advertise */
+{
+ node n;
+ ip_addr prefix;
+ u8 len;
+ /* Is the prefix alive? If not, we advertise it with 0 lifetime, so clients
+ * stop using it. */
+ u8 alive;
+ u8 mark; /* A temporary mark for processing */
+ /* The (absolute) time when we drop this prefix from advertising. It is valid
+ * only if !alive. */
+ bird_clock_t expires;
+ /* The config tied to this prefix. Always valid (we place a dummy config here
+ * when !alive). */
+ struct radv_prefix_config *config;
+};
+
struct radv_iface
{
node n;
@@ -128,6 +145,9 @@ struct radv_iface
struct radv_iface_config *cf; /* Related config, must be updated in reconfigure */
struct iface *iface;
struct ifa *addr; /* Link-local address of iface */
+ struct pool *pool; /* A pool for interface-specific things */
+ list prefixes; /* The prefixes we advertise */
+ bird_clock_t prefix_expires; /* When the soonest prefix expires (0 = none dead) */
timer *timer;
struct object_lock *lock;
@@ -135,12 +155,13 @@ struct radv_iface
bird_clock_t last; /* Time of last sending of RA */
u16 plen; /* Length of prepared RA in tbuf, or 0 if not valid */
- byte initial; /* List of active ifaces */
+ byte initial; /* How many RAs are still to be sent as initial */
};
#define RA_EV_INIT 1 /* Switch to initial mode */
#define RA_EV_CHANGE 2 /* Change of options or prefixes */
#define RA_EV_RS 3 /* Received RS */
+#define RA_EV_GC 4 /* Internal garbage collection of prefixes */
/* Default Router Preferences (RFC 4191) */
#define RA_PREF_LOW 0x18