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
|
/*
* ndp.h - Neighbour discovery library
* Copyright (C) 2013 Jiri Pirko <jiri@resnulli.us>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef _NDP_H_
#define _NDP_H_
#include <stdbool.h>
#include <netinet/in.h>
#ifdef __cplusplus
extern "C" {
#endif
struct ndp;
void ndp_set_log_fn(struct ndp *ndp,
void (*log_fn)(struct ndp *ndp, int priority,
const char *file, int line, const char *fn,
const char *format, va_list args));
int ndp_get_log_priority(struct ndp *ndp);
void ndp_set_log_priority(struct ndp *ndp, int priority);
struct ndp_msg;
struct ndp_msgrs;
struct ndp_msgra;
struct ndp_msgns;
struct ndp_msgna;
struct ndp_msgr;
enum ndp_msg_type {
NDP_MSG_RS, /* Router Solicitation */
NDP_MSG_RA, /* Router Advertisement */
NDP_MSG_NS, /* Neighbor Solicitation */
NDP_MSG_NA, /* Neighbor Advertisement */
NDP_MSG_R, /* Redirect */
NDP_MSG_ALL, /* Matches all */
};
uint8_t ndp_msgra_curhoplimit(struct ndp_msgra *msgra);
void ndp_msgra_curhoplimit_set(struct ndp_msgra *msgra, uint8_t curhoplimit);
bool ndp_msgra_flag_managed(struct ndp_msgra *msgra);
void ndp_msgra_flag_managed_set(struct ndp_msgra *msgra, bool flag_managed);
bool ndp_msgra_flag_other(struct ndp_msgra *msgra);
void ndp_msgra_flag_other_set(struct ndp_msgra *msgra, bool flag_other);
bool ndp_msgra_flag_home_agent(struct ndp_msgra *msgra);
void ndp_msgra_flag_home_agent_set(struct ndp_msgra *msgra,
bool flag_home_agent);
uint16_t ndp_msgra_router_lifetime(struct ndp_msgra *msgra);
void ndp_msgra_router_lifetime_set(struct ndp_msgra *msgra,
uint16_t router_lifetime);
uint32_t ndp_msgra_reachable_time(struct ndp_msgra *msgra);
void ndp_msgra_reachable_time_set(struct ndp_msgra *msgra,
uint32_t reachable_time);
uint32_t ndp_msgra_retransmit_time(struct ndp_msgra *msgra);
void ndp_msgra_retransmit_time_set(struct ndp_msgra *msgra,
uint32_t retransmit_time);
bool ndp_msgra_opt_source_linkaddr_present(struct ndp_msgra *msgra);
unsigned char *ndp_msgra_opt_source_linkaddr(struct ndp_msgra *msgra);
size_t ndp_msgra_opt_source_linkaddr_len(struct ndp_msgra *msgra);
bool ndp_msgra_opt_target_linkaddr_present(struct ndp_msgra *msgra);
unsigned char *ndp_msgra_opt_target_linkaddr(struct ndp_msgra *msgra);
size_t ndp_msgra_opt_target_linkaddr_len(struct ndp_msgra *msgra);
bool ndp_msgra_opt_prefix_present(struct ndp_msgra *msgra);
struct in6_addr *ndp_msgra_opt_prefix(struct ndp_msgra *msgra);
uint8_t ndp_msgra_opt_prefix_len(struct ndp_msgra *msgra);
uint32_t ndp_msgra_opt_prefix_valid_time(struct ndp_msgra *msgra);
uint32_t ndp_msgra_opt_prefix_preferred_time(struct ndp_msgra *msgra);
bool ndp_msgra_opt_mtu_present(struct ndp_msgra *msgra);
uint32_t ndp_msgra_opt_mtu(struct ndp_msgra *msgra);
int ndp_msg_new(struct ndp_msg **p_msg, enum ndp_msg_type msg_type);
void ndp_msg_destroy(struct ndp_msg *msg);
void *ndp_msg_payload(struct ndp_msg *msg);
size_t ndp_msg_payload_len(struct ndp_msg *msg);
void ndp_msg_payload_len_set(struct ndp_msg *msg, size_t len);
struct ndp_msgrs *ndp_msgrs(struct ndp_msg *msg);
struct ndp_msgra *ndp_msgra(struct ndp_msg *msg);
struct ndp_msgns *ndp_msgns(struct ndp_msg *msg);
struct ndp_msgna *ndp_msgna(struct ndp_msg *msg);
struct ndp_msgr *ndp_msgr(struct ndp_msg *msg);
enum ndp_msg_type ndp_msg_type(struct ndp_msg *msg);
struct in6_addr *ndp_msg_addrto(struct ndp_msg *msg);
uint32_t ndp_msg_ifindex(struct ndp_msg *msg);
typedef int (*ndp_msgrcv_handler_func_t)(struct ndp *ndp, struct ndp_msg *msg,
void *priv);
int ndp_msgrcv_handler_register(struct ndp *ndp, ndp_msgrcv_handler_func_t func,
enum ndp_msg_type msg_type, uint32_t ifindex,
void *priv);
void ndp_msgrcv_handler_unregister(struct ndp *ndp, ndp_msgrcv_handler_func_t func,
enum ndp_msg_type msg_type, uint32_t ifindex,
void *priv);
struct ndp_eventfd;
struct ndp_eventfd *ndp_get_next_eventfd(struct ndp *ndp,
struct ndp_eventfd *eventfd);
#define ndp_for_each_event_fd(eventfd, ndp) \
for (eventfd = ndp_get_next_eventfd(ndp, NULL); eventfd; \
eventfd = ndp_get_next_eventfd(ndp, eventfd))
int ndp_get_eventfd_fd(struct ndp *ndp, struct ndp_eventfd *eventfd);
int ndp_call_eventfd_handler(struct ndp *ndp, struct ndp_eventfd *eventfd);
int ndp_open(struct ndp **p_ndp);
void ndp_close(struct ndp *ndp);
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* _NDP_H_ */
|
