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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 */
opt.h
lwIP Options Configuration
ip6_addr.h
IPv6 addresses.
pbuf
Main packet buffer struct.
Definition: ppp_service_if.h:136
err.h
lwIP Error codes
netif
Generic data structure used for all lwIP network interfaces.
Definition: ppp_service_if.h:157
nsapi_addr
IP address structure for passing IP addresses by value.
Definition: nsapi_types.h:235
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