1 /**
2  * @file
3  *
4  * 6LowPAN output 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_H
43 #define LWIP_HDR_LOWPAN6_H
44 
45 #include "netif/lowpan6_opts.h"
46 
47 #if LWIP_IPV6
48 
49 #include "netif/lowpan6_common.h"
50 #include "lwip/pbuf.h"
51 #include "lwip/ip.h"
52 #include "lwip/ip_addr.h"
53 #include "lwip/netif.h"
54 
55 #ifdef __cplusplus
56 extern "C" {
57 #endif
58 
59 /** 1 second period for reassembly */
60 #define LOWPAN6_TMR_INTERVAL 1000
61 
62 void lowpan6_tmr(void);
63 
64 err_t lowpan6_set_context(u8_t idx, const ip6_addr_t * context);
65 err_t lowpan6_set_short_addr(u8_t addr_high, u8_t addr_low);
66 
67 #if LWIP_IPV4
68 err_t lowpan4_output(struct netif *netif, struct pbuf *q, const ip4_addr_t *ipaddr);
69 #endif /* LWIP_IPV4 */
70 err_t lowpan6_output(struct netif *netif, struct pbuf *q, const ip6_addr_t *ip6addr);
71 err_t lowpan6_input(struct pbuf * p, struct netif *netif);
72 err_t lowpan6_if_init(struct netif *netif);
73 
74 /* pan_id in network byte order. */
75 err_t lowpan6_set_pan_id(u16_t pan_id);
76 
77 u16_t lowpan6_calc_crc(const void *buf, u16_t len);
78 
79 #if !NO_SYS
80 err_t tcpip_6lowpan_input(struct pbuf *p, struct netif *inp);
81 #endif /* !NO_SYS */
82 
83 #ifdef __cplusplus
84 }
85 #endif
86 
87 #endif /* LWIP_IPV6 */
88 
89 #endif /* LWIP_HDR_LOWPAN6_H */
90