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-rw-r--r--nest/protocol.h25
1 files changed, 25 insertions, 0 deletions
diff --git a/nest/protocol.h b/nest/protocol.h
index e513779..c203f25 100644
--- a/nest/protocol.h
+++ b/nest/protocol.h
@@ -92,9 +92,34 @@ struct proto {
unsigned core_state; /* Core state machine (see below) */
unsigned core_goal; /* State we want to reach (see below) */
+ /*
+ * General protocol hooks:
+ *
+ * if_notify Notify protocol about interface state changes.
+ * rt_notify Notify protocol about routing table updates.
+ * neigh_notify Notify protocol about neighbor cache events.
+ * make_tmp_attrs Construct ea_list from private attrs stored in rte.
+ * store_tmp_attrs Store private attrs back to the rte.
+ * import_control Called as the first step of the route importing process.
+ * It can construct a new rte, add private attributes and
+ * decide whether the route shall be imported: 1=yes, -1=no,
+ * 0=process it through the import filter set by the user.
+ */
+
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);
void (*neigh_notify)(struct neighbor *neigh);
+ struct ea_list *(*make_tmp_attrs)(struct rte *rt, struct linpool *pool);
+ void (*store_tmp_attrs)(struct rte *rt, struct ea_list *attrs);
+ int (*import_control)(struct proto *, struct rte **rt, struct ea_list **attrs, struct linpool *pool);
+
+ /*
+ * Routing entry hooks (called only for rte's belonging to this protocol):
+ *
+ * rte_better Compare two rte's and decide which one is better (1=first, 0=second).
+ * rte_insert Called whenever a rte is inserted to a routing table.
+ * rte_remove Called whenever a rte is removed from the routing table.
+ */
int (*rte_better)(struct rte *, struct rte *);
void (*rte_insert)(struct network *, struct rte *);