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| -rw-r--r-- | nest/protocol.h | 25 |
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 *); |