2 files changed, 7 insertions, 0 deletions
diff --git a/nest/proto.c b/nest/proto.c
index f142a77..0760130 100644
--- a/nest/proto.c
+++ b/nest/proto.c
@@ -71,10 +71,12 @@ static void
 proto_start(struct proto *p)
 {
   rem_node(&p->n);
+  p->state = PRS_STARTING;
   if (p->start)
     p->start(p);
   if_feed_baby(p);
   rt_feed_baby(p);
+  p->state = PRS_UP;
   add_tail(&proto_list, &p->n);
 }
 
diff --git a/nest/protocol.h b/nest/protocol.h
index 9a0ea98..f138d86 100644
--- a/nest/protocol.h
+++ b/nest/protocol.h
@@ -59,6 +59,7 @@ struct proto {
   unsigned debug;			/* Debugging flags */
   pool *pool;				/* Local objects */
   unsigned preference;			/* Default route preference */
+  unsigned state;			/* PRS_... */
 
   void (*if_notify)(struct proto *, unsigned flags, struct iface *new, struct iface *old);
   void (*rt_notify)(struct proto *, struct network *net, struct rte *new, struct rte *old);
@@ -80,6 +81,10 @@ struct proto {
   /* Hic sunt protocol-specific data */
 };
 
+#define PRS_DOWN 0			/* Inactive */
+#define PRS_STARTING 1
+#define PRS_UP 2
+
 void *proto_new(struct protocol *, unsigned size);
 
 extern list proto_list, inactive_proto_list;