1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
2 #pragma once
3 
4 /***
5   Copyright © 2014 Intel Corporation. All rights reserved.
6 ***/
7 
8 #include "sd-ndisc.h"
9 
10 #include "network-common.h"
11 #include "time-util.h"
12 
13 #define NDISC_ROUTER_SOLICITATION_INTERVAL (4U * USEC_PER_SEC)
14 #define NDISC_MAX_ROUTER_SOLICITATION_INTERVAL (3600U * USEC_PER_SEC)
15 #define NDISC_MAX_ROUTER_SOLICITATIONS 3U
16 
17 struct sd_ndisc {
18         unsigned n_ref;
19 
20         int ifindex;
21         char *ifname;
22         int fd;
23 
24         sd_event *event;
25         int event_priority;
26 
27         struct ether_addr mac_addr;
28 
29         sd_event_source *recv_event_source;
30         sd_event_source *timeout_event_source;
31         sd_event_source *timeout_no_ra;
32 
33         usec_t retransmit_time;
34 
35         sd_ndisc_callback_t callback;
36         void *userdata;
37 };
38 
39 const char* ndisc_event_to_string(sd_ndisc_event_t e) _const_;
40 sd_ndisc_event_t ndisc_event_from_string(const char *s) _pure_;
41 
42 #define log_ndisc_errno(ndisc, error, fmt, ...)         \
43         log_interface_prefix_full_errno(                \
44                 "NDISC: ",                              \
45                 sd_ndisc, ndisc,                        \
46                 error, fmt, ##__VA_ARGS__)
47 #define log_ndisc(ndisc, fmt, ...)                      \
48         log_interface_prefix_full_errno_zerook(         \
49                 "NDISC: ",                              \
50                 sd_ndisc, ndisc,                        \
51                 0, fmt, ##__VA_ARGS__)
52