]>
Commit | Line | Data |
---|---|---|
53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
1e7a0e21 LP |
2 | #pragma once |
3 | ||
4 | /*** | |
5 | This file is part of systemd. | |
6 | ||
7 | Copyright (C) 2014 Intel Corporation. All rights reserved. | |
8 | ||
9 | systemd is free software; you can redistribute it and/or modify it | |
10 | under the terms of the GNU Lesser General Public License as published by | |
11 | the Free Software Foundation; either version 2.1 of the License, or | |
12 | (at your option) any later version. | |
13 | ||
14 | systemd is distributed in the hope that it will be useful, but | |
15 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
17 | Lesser General Public License for more details. | |
18 | ||
19 | You should have received a copy of the GNU Lesser General Public License | |
20 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
21 | ***/ | |
22 | ||
23 | #include "sd-ndisc.h" | |
24 | ||
25 | #include "time-util.h" | |
26 | ||
27 | struct sd_ndisc_router { | |
28 | unsigned n_ref; | |
29 | ||
30 | triple_timestamp timestamp; | |
31 | struct in6_addr address; | |
32 | ||
33 | /* The raw packet size. The data is appended to the object, accessible via NDIS_ROUTER_RAW() */ | |
34 | size_t raw_size; | |
35 | ||
36 | /* The current read index for the iterative option interface */ | |
37 | size_t rindex; | |
38 | ||
39 | uint64_t flags; | |
40 | unsigned preference; | |
41 | uint16_t lifetime; | |
42 | ||
43 | uint8_t hop_limit; | |
44 | uint32_t mtu; | |
45 | }; | |
46 | ||
47 | static inline void* NDISC_ROUTER_RAW(const sd_ndisc_router *rt) { | |
48 | return (uint8_t*) rt + ALIGN(sizeof(sd_ndisc_router)); | |
49 | } | |
50 | ||
51 | static inline void *NDISC_ROUTER_OPTION_DATA(const sd_ndisc_router *rt) { | |
52 | return ((uint8_t*) NDISC_ROUTER_RAW(rt)) + rt->rindex; | |
53 | } | |
54 | ||
55 | static inline uint8_t NDISC_ROUTER_OPTION_TYPE(const sd_ndisc_router *rt) { | |
56 | return ((uint8_t*) NDISC_ROUTER_OPTION_DATA(rt))[0]; | |
57 | } | |
58 | static inline size_t NDISC_ROUTER_OPTION_LENGTH(const sd_ndisc_router *rt) { | |
59 | return ((uint8_t*) NDISC_ROUTER_OPTION_DATA(rt))[1] * 8; | |
60 | } | |
61 | ||
62 | sd_ndisc_router *ndisc_router_new(size_t raw_size); | |
63 | int ndisc_router_parse(sd_ndisc_router *rt); |