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nd6.h
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1 /**
2  * @file
3  *
4  * Neighbor discovery and stateless address autoconfiguration for IPv6.
5  * Aims to be compliant with RFC 4861 (Neighbor discovery) and RFC 4862
6  * (Address autoconfiguration).
7  */
8 
9 /*
10  * Copyright (c) 2010 Inico Technologies Ltd.
11  * All rights reserved.
12  *
13  * Redistribution and use in source and binary forms, with or without modification,
14  * are permitted provided that the following conditions are met:
15  *
16  * 1. Redistributions of source code must retain the above copyright notice,
17  * this list of conditions and the following disclaimer.
18  * 2. Redistributions in binary form must reproduce the above copyright notice,
19  * this list of conditions and the following disclaimer in the documentation
20  * and/or other materials provided with the distribution.
21  * 3. The name of the author may not be used to endorse or promote products
22  * derived from this software without specific prior written permission.
23  *
24  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
25  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
26  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
27  * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
28  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
29  * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
30  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
31  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
32  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
33  * OF SUCH DAMAGE.
34  *
35  * This file is part of the lwIP TCP/IP stack.
36  *
37  * Author: Ivan Delamer <delamer@inicotech.com>
38  *
39  *
40  * Please coordinate changes and requests with Ivan Delamer
41  * <delamer@inicotech.com>
42  */
43 
44 #ifndef LWIP_HDR_ND6_H
45 #define LWIP_HDR_ND6_H
46 
47 #include "lwip/opt.h"
48 
49 #if LWIP_IPV6 /* don't build if not configured for use in lwipopts.h */
50 
51 #include "lwip/ip6_addr.h"
52 #include "lwip/err.h"
53 
54 #ifdef __cplusplus
55 extern "C" {
56 #endif
57 
58 /** 1 second period */
59 #define ND6_TMR_INTERVAL 1000
60 
61 /** Router solicitations are sent in 4 second intervals (see RFC 4861, ch. 6.3.7) */
62 #ifndef ND6_RTR_SOLICITATION_INTERVAL
63 #define ND6_RTR_SOLICITATION_INTERVAL 4000
64 #endif
65 
66 struct pbuf;
67 struct netif;
68 
69 void nd6_tmr(void);
70 void nd6_input(struct pbuf *p, struct netif *inp);
71 void nd6_clear_destination_cache(void);
72 struct netif *nd6_find_route(const ip6_addr_t *ip6addr);
73 err_t nd6_get_next_hop_addr_or_queue(struct netif *netif, struct pbuf *q, const ip6_addr_t *ip6addr, const u8_t **hwaddrp);
74 u16_t nd6_get_destination_mtu(const ip6_addr_t *ip6addr, struct netif *netif);
75 #if LWIP_ND6_TCP_REACHABILITY_HINTS
76 void nd6_reachability_hint(const ip6_addr_t *ip6addr);
77 #endif /* LWIP_ND6_TCP_REACHABILITY_HINTS */
78 void nd6_cleanup_netif(struct netif *netif);
79 #if LWIP_IPV6_MLD
80 void nd6_adjust_mld_membership(struct netif *netif, s8_t addr_idx, u8_t new_state);
81 #endif /* LWIP_IPV6_MLD */
82 void nd6_restart_netif(struct netif *netif);
83 
84 #ifdef __cplusplus
85 }
86 #endif
87 
88 #endif /* LWIP_IPV6 */
89 
90 #endif /* LWIP_HDR_ND6_H */
lwIP Options Configuration
IPv6 addresses.
Main packet buffer struct.
lwIP Error codes
Generic data structure used for all lwIP network interfaces.
IP address structure for passing IP addresses by value.
Definition: nsapi_types.h:190
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