Outline ![]()
Files ![]()
loading...
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
/**
* @file
*
* Neighbor discovery and stateless address autoconfiguration for IPv6.
* Aims to be compliant with RFC 4861 (Neighbor discovery) and RFC 4862
* (Address autoconfiguration).
*/
/*
* Copyright (c) 2010 Inico Technologies Ltd.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Ivan Delamer <delamer@inicotech.com>
*
*
* Please coordinate changes and requests with Ivan Delamer
* <delamer@inicotech.com>
*/
#ifndef LWIP_HDR_ND6_PRIV_H
#define LWIP_HDR_ND6_PRIV_H
#include "lwip/opt.h"
#if LWIP_IPV6 /* don't build if not configured for use in lwipopts.h */
#include "lwip/pbuf.h"
#include "lwip/ip6_addr.h"
#include "lwip/netif.h"
#ifdef __cplusplus
extern "C" {
#endif
#if LWIP_ND6_QUEUEING
/** struct for queueing outgoing packets for unknown address
* defined here to be accessed by memp.h
*/
struct nd6_q_entry {
struct nd6_q_entry *next;
struct pbuf *p;
};
#endif /* LWIP_ND6_QUEUEING */
/** Struct for tables. */
struct nd6_neighbor_cache_entry {
ip6_addr_t next_hop_address;
struct netif *netif;
u8_t lladdr[NETIF_MAX_HWADDR_LEN];
/*u32_t pmtu;*/
#if LWIP_ND6_QUEUEING
/** Pointer to queue of pending outgoing packets on this entry. */
struct nd6_q_entry *q;
#else /* LWIP_ND6_QUEUEING */
/** Pointer to a single pending outgoing packet on this entry. */
struct pbuf *q;
#endif /* LWIP_ND6_QUEUEING */
u8_t state;
u8_t isrouter;
union {
u32_t reachable_time; /* in seconds */
u32_t delay_time; /* ticks (ND6_TMR_INTERVAL) */
u32_t probes_sent;
u32_t stale_time; /* ticks (ND6_TMR_INTERVAL) */
} counter;
};
struct nd6_destination_cache_entry {
ip6_addr_t destination_addr;
ip6_addr_t next_hop_addr;
u16_t pmtu;
u32_t age;
};
struct nd6_prefix_list_entry {
ip6_addr_t prefix;
struct netif *netif;
u32_t invalidation_timer; /* in seconds */
};
struct nd6_router_list_entry {
struct nd6_neighbor_cache_entry *neighbor_entry;
u32_t invalidation_timer; /* in seconds */
u8_t flags;
};
enum nd6_neighbor_cache_entry_state {
ND6_NO_ENTRY = 0,
ND6_INCOMPLETE,
ND6_REACHABLE,
ND6_STALE,
ND6_DELAY,
ND6_PROBE
};
#define ND6_HOPLIM 255 /* maximum hop limit, required in all ND packets */
#define ND6_2HRS 7200 /* two hours, expressed in number of seconds */
/* Router tables. */
/* @todo make these static? and entries accessible through API? */
extern struct nd6_neighbor_cache_entry neighbor_cache[];
extern struct nd6_destination_cache_entry destination_cache[];
extern struct nd6_prefix_list_entry prefix_list[];
extern struct nd6_router_list_entry default_router_list[];
/* Default values, can be updated by a RA message. */
extern u32_t reachable_time;
extern u32_t retrans_timer;
#ifdef __cplusplus
}
#endif
#endif /* LWIP_IPV6 */
#endif /* LWIP_HDR_ND6_PRIV_H */
Details ![]()
Show: from Types: Columns: ![]( "Show Project Names")
![]( "Show Locations")
![]( "Show Referring Symbols")
![]( "Show Scope")
This file uses the notable symbols shown below. Click anywhere in the file to view more details.