mbed-os/features/nanostack/sal-stack-nanostack/source/6LoWPAN/Mesh/mesh.h

85 lines
3.4 KiB
C

/*
* Copyright (c) 2014-2017, Pelion and affiliates.
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef MESH_H_
#define MESH_H_
#ifdef __cplusplus
extern "C" {
#endif
/* Thread network has routing cost limit 16. */
#ifndef MESH_DEFAULT_HOPS_LEFT
#define MESH_DEFAULT_HOPS_LEFT 16
#endif
typedef struct mesh_routing_route_response_s {
uint8_t addr_len;
uint8_t address[8];
bool intercept;
} mesh_routing_route_response_t;
typedef int_fast8_t mesh_first_hop_fn_t(protocol_interface_info_entry_t *cur,
uint_fast8_t dest_addr_len, const uint8_t dest_addr[],
mesh_routing_route_response_t *resp);
typedef int_fast8_t mesh_route_fn_t(protocol_interface_info_entry_t *cur,
uint_fast8_t last_hop_addr_len, const uint8_t last_hop_addr[],
uint_fast8_t dest_addr_len, const uint8_t dest_addr[],
mesh_routing_route_response_t *resp);
typedef int_fast8_t mesh_multicast_fn_t(protocol_interface_info_entry_t *cur, uint16_t addr, buffer_t *buf);
typedef bool mesh_header_needed_fn_t(const protocol_interface_info_entry_t *cur, const buffer_t *buf);
typedef bool mesh_forwardable_address_t(const protocol_interface_info_entry_t *cur, addrtype_t addr_type, const uint8_t *addr);
typedef bool mesh_address_map_fn_t(protocol_interface_info_entry_t *cur, addrtype_t *addr_type, uint8_t *addr);
typedef struct mesh_callbacks_s {
mesh_first_hop_fn_t *first_hop;
mesh_route_fn_t *route;
mesh_multicast_fn_t *multicast;
mesh_header_needed_fn_t *header_needed;
mesh_forwardable_address_t *forwardable_address;
mesh_address_map_fn_t *address_map;
} mesh_callbacks_t;
#ifdef HAVE_MESH
buffer_t *mesh_up(buffer_t *buf);
buffer_t *mesh_down(buffer_t *buf);
bool mesh_address_map(protocol_interface_info_entry_t *cur, addrtype_t *addr_type, uint8_t *addr);
bool mesh_forwardable_address(const protocol_interface_info_entry_t *cur, addrtype_t addr_type, const uint8_t *addr);
bool mesh_header_needed(const buffer_t *buf);
bool mesh_supports_multicast(void);
void mesh_all_addresses_unicast(bool flag);
bool mesh_short_address_is_multicast(uint16_t addr);
bool mesh_short_address_is_broadcast_or_multicast(uint16_t addr);
void mesh_rewrite_bc0_header(uint8_t *header);
uint_fast8_t mesh_header_size(const buffer_t *buf);
uint_fast8_t mesh_header_len_from_type_byte(uint8_t type);
uint_fast8_t mesh_header_len_from_buffer_type_byte(const buffer_t *buf);
#else
#define mesh_address_map(cur, addr_type, addr) true
#define mesh_forwardable_address(cur, addr_type, addr) false
#define mesh_header_needed(buf) false
#define mesh_rewrite_bc0_header(header) ((void) 0)
#define mesh_header_size(buf) false
#define mesh_header_len_from_type_byte(type) 0
#endif
#ifdef __cplusplus
}
#endif
#endif /* MESH_H_ */