Contiki-NG
Loading...
Searching...
No Matches
rpl-ext-header.h
Go to the documentation of this file.
1/*
2 * Copyright (c) 2017, Inria.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the Institute nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * This file is part of the Contiki operating system.
30 */
31
32/**
33 * \addtogroup rpl-lite
34 * @{
35 *
36 * \file
37 * Header file for rpl-ext-header
38 *
39 * \author Simon Duquennoy <simon.duquennoy@inria.fr>
40 */
41
42 #ifndef RPL_EXT_HEADER_H_
43 #define RPL_EXT_HEADER_H_
44
45/********** Public functions **********/
46
47/**
48* Look for next hop from SRH of current uIP packet.
49*
50* \param ipaddr A pointer to the address where to store the next hop.
51* \return 1 if a next hop was found, 0 otherwise
52*/
53int rpl_ext_header_srh_get_next_hop(uip_ipaddr_t *ipaddr);
54
55/**
56* Process and update SRH in-place,
57* i.e. internal address swapping as per RFC6554
58* \return 1 if SRH found, 0 otherwise
59*/
60int rpl_ext_header_srh_update(void);
61
62/**
63* Process and update the RPL hop-by-hop extension headers of
64* the current uIP packet.
65*
66* \param ext_buf A pointer to the ext header buffer
67* \param opt_offset The offset within the extension header where
68* the option starts
69* \return 1 in case the packet is valid and to be processed further,
70* 0 in case the packet must be dropped.
71*/
72int rpl_ext_header_hbh_update(uint8_t *ext_buf, int opt_offset);
73
74/**
75 * Adds/updates all RPL extension headers to current uIP packet.
76 *
77 * \return 1 in case of success, 0 otherwise
78*/
79int rpl_ext_header_update(void);
80
81/**
82 * Removes all RPL extension headers.
83 *
84 * \return true in case of success, false otherwise
85*/
86bool rpl_ext_header_remove(void);
87
88 /** @} */
89
90#endif /* RPL_EXT_HEADER_H_ */
static uip_ipaddr_t ipaddr
Pointer to prefix information option in uip_buf.
Definition uip-nd6.c:116