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lowpan6_common.h
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1 /**
2  * @file
3  *
4  * Common 6LowPAN routines for IPv6. Uses ND tables for link-layer addressing. Fragments packets to 6LowPAN units.
5  */
6 
7 /*
8  * Copyright (c) 2015 Inico Technologies Ltd.
9  * All rights reserved.
10  *
11  * Redistribution and use in source and binary forms, with or without modification,
12  * are permitted provided that the following conditions are met:
13  *
14  * 1. Redistributions of source code must retain the above copyright notice,
15  * this list of conditions and the following disclaimer.
16  * 2. Redistributions in binary form must reproduce the above copyright notice,
17  * this list of conditions and the following disclaimer in the documentation
18  * and/or other materials provided with the distribution.
19  * 3. The name of the author may not be used to endorse or promote products
20  * derived from this software without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
23  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
24  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
25  * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
26  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
27  * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
30  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
31  * OF SUCH DAMAGE.
32  *
33  * This file is part of the lwIP TCP/IP stack.
34  *
35  * Author: Ivan Delamer <delamer@inicotech.com>
36  *
37  *
38  * Please coordinate changes and requests with Ivan Delamer
39  * <delamer@inicotech.com>
40  */
41 
42 #ifndef LWIP_HDR_LOWPAN6_COMMON_H
43 #define LWIP_HDR_LOWPAN6_COMMON_H
44 
45 #include "netif/lowpan6_opts.h"
46 
47 #if LWIP_IPV6 /* don't build if IPv6 is disabled in lwipopts.h */
48 
49 #include "lwip/pbuf.h"
50 #include "lwip/ip.h"
51 #include "lwip/ip6_addr.h"
52 #include "lwip/netif.h"
53 
54 #ifdef __cplusplus
55 extern "C" {
56 #endif
57 
58 /** Helper define for a link layer address, which can be encoded as 0, 2 or 8 bytes */
59 struct lowpan6_link_addr {
60  /* encoded length of the address */
61  u8_t addr_len;
62  /* address bytes */
63  u8_t addr[8];
64 };
65 
66 s8_t lowpan6_get_address_mode(const ip6_addr_t *ip6addr, const struct lowpan6_link_addr *mac_addr);
67 
68 #if LWIP_6LOWPAN_IPHC
69 err_t lowpan6_compress_headers(struct netif *netif, u8_t *inbuf, size_t inbuf_size, u8_t *outbuf, size_t outbuf_size,
70  u8_t *lowpan6_header_len_out, u8_t *hidden_header_len_out, ip6_addr_t *lowpan6_contexts,
71  const struct lowpan6_link_addr *src, const struct lowpan6_link_addr *dst);
72 struct pbuf *lowpan6_decompress(struct pbuf *p, u16_t datagram_size, ip6_addr_t *lowpan6_contexts,
73  struct lowpan6_link_addr *src, struct lowpan6_link_addr *dest);
74 #endif /* LWIP_6LOWPAN_IPHC */
75 
76 #ifdef __cplusplus
77 }
78 #endif
79 
80 #endif /* LWIP_IPV6 */
81 
82 #endif /* LWIP_HDR_LOWPAN6_COMMON_H */
ip.h
IP API.
ip6_addr.h
IPv6 addresses.
netif.h
netif API (to be used from TCPIP thread)
pbuf
Main packet buffer struct.
Definition: ppp_service_if.h:136
netif
Generic data structure used for all lwIP network interfaces.
Definition: ppp_service_if.h:157
lowpan6_opts.h
6LowPAN options list
pbuf.h
pbuf API
nsapi_addr
IP address structure for passing IP addresses by value.
Definition: nsapi_types.h:235
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