rpl_downward.h

00001 /*
00002  * Copyright (c) 2015-2017, Arm Limited and affiliates.
00003  * SPDX-License-Identifier: Apache-2.0
00004  *
00005  * Licensed under the Apache License, Version 2.0 (the "License");
00006  * you may not use this file except in compliance with the License.
00007  * You may obtain a copy of the License at
00008  *
00009  *     http://www.apache.org/licenses/LICENSE-2.0
00010  *
00011  * Unless required by applicable law or agreed to in writing, software
00012  * distributed under the License is distributed on an "AS IS" BASIS,
00013  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00014  * See the License for the specific language governing permissions and
00015  * limitations under the License.
00016  */
00017 
00018 #ifndef RPL_DOWNWARD_H_
00019 #define RPL_DOWNWARD_H_
00020 
00021 struct rpl_instance;
00022 struct rpl_dodag;
00023 struct rpl_neighbour;
00024 struct rpl_dao_target;
00025 struct rpl_dao_root_transit;
00026 
00027 void rpl_downward_dao_slow_timer(struct rpl_instance *instance, uint16_t seconds);
00028 void rpl_downward_dao_timer(struct rpl_instance *instance, uint16_t ticks);
00029 void rpl_downward_print_instance(struct rpl_instance *instance, route_print_fn_t *print_fn);
00030 
00031 void rpl_downward_convert_dodag_preferences_to_dao_path_control(struct rpl_dodag *dodag);
00032 void rpl_downward_process_dao_parent_changes(struct rpl_instance *instance);
00033 void rpl_downward_neighbour_gone(struct rpl_instance *instance, struct rpl_neighbour *neighbour);
00034 
00035 void rpl_instance_publish_dao_target(struct rpl_instance *instance, const uint8_t *prefix, uint8_t prefix_len, uint32_t valid_lifetime, bool own, bool want_descriptor, uint32_t descriptor);
00036 void rpl_delete_dao_target(struct rpl_instance *instance, struct rpl_dao_target *target);
00037 void rpl_instance_delete_published_dao_target(struct rpl_instance *instance, const uint8_t *prefix, uint8_t prefix_len);
00038 struct rpl_dao_target *rpl_instance_match_dao_target(struct rpl_instance *instance, const uint8_t *prefix, uint8_t prefix_len);
00039 
00040 void rpl_instance_dao_request(struct rpl_instance *instance, struct rpl_neighbour *neighbour);
00041 void rpl_instance_dao_trigger(struct rpl_instance *instance, uint16_t delay);
00042 void rpl_instance_dao_acked(struct rpl_instance *instance, const uint8_t src[16], int8_t interface_id, uint8_t dao_sequence, uint8_t status);
00043 
00044 #ifdef HAVE_RPL_DAO_HANDLING
00045 bool rpl_instance_dao_received(struct rpl_instance *instance, const uint8_t src[16], int8_t interface_id, bool multicast, const uint8_t *opts, uint16_t opts_len, uint8_t *status_out);
00046 #endif
00047 
00048 #ifdef HAVE_RPL_ROOT
00049 void rpl_downward_transit_error(rpl_instance_t *instance, const uint8_t *target_addr, const uint8_t *transit_addr);
00050 void rpl_downward_compute_paths(rpl_instance_t *instance);
00051 void rpl_downward_paths_invalidate(rpl_instance_t *instance);
00052 #else
00053 #define rpl_downward_compute_paths(instance) ((void) 0)
00054 #define rpl_downward_paths_invalidate(instance) ((void) 0)
00055 #endif
00056 
00057 #endif /* RPL_DOWNWARD_H_ */