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1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
3 | /*** | |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2013 Tom Gundersen <teg@jklm.no> | |
7 | ||
8 | systemd is free software; you can redistribute it and/or modify it | |
9 | under the terms of the GNU Lesser General Public License as published by | |
10 | the Free Software Foundation; either version 2.1 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | systemd is distributed in the hope that it will be useful, but | |
14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | Lesser General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU Lesser General Public License | |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
20 | ***/ | |
21 | ||
22 | #pragma once | |
23 | ||
24 | #include <arpa/inet.h> | |
25 | #include <linux/rtnetlink.h> | |
26 | ||
27 | #include "sd-event.h" | |
28 | #include "sd-rtnl.h" | |
29 | #include "udev.h" | |
30 | ||
31 | #include "rtnl-util.h" | |
32 | #include "hashmap.h" | |
33 | #include "list.h" | |
34 | ||
35 | typedef struct Network Network; | |
36 | typedef struct Link Link; | |
37 | typedef struct Address Address; | |
38 | typedef struct Route Route; | |
39 | typedef struct Manager Manager; | |
40 | ||
41 | struct Network { | |
42 | Manager *manager; | |
43 | ||
44 | char *filename; | |
45 | ||
46 | struct ether_addr *match_mac; | |
47 | char *match_path; | |
48 | char *match_driver; | |
49 | char *match_type; | |
50 | char *match_name; | |
51 | ||
52 | char *description; | |
53 | ||
54 | LIST_HEAD(Address, addresses); | |
55 | LIST_HEAD(Route, routes); | |
56 | ||
6ae115c1 TG |
57 | Hashmap *addresses_by_section; |
58 | Hashmap *routes_by_section; | |
59 | ||
f579559b TG |
60 | LIST_FIELDS(Network, networks); |
61 | }; | |
62 | ||
63 | struct Address { | |
64 | Network *network; | |
6ae115c1 | 65 | uint64_t section; |
f579559b TG |
66 | |
67 | unsigned char family; | |
68 | unsigned char prefixlen; | |
69 | char *label; | |
70 | ||
8cd11a0f TG |
71 | struct in_addr netmask; |
72 | ||
f579559b TG |
73 | union { |
74 | struct in_addr in; | |
75 | struct in6_addr in6; | |
76 | } in_addr; | |
77 | ||
78 | LIST_FIELDS(Address, addresses); | |
79 | }; | |
80 | ||
81 | struct Route { | |
82 | Network *network; | |
6ae115c1 | 83 | uint64_t section; |
f579559b TG |
84 | |
85 | unsigned char family; | |
6ae115c1 | 86 | unsigned char dst_prefixlen; |
f579559b TG |
87 | |
88 | union { | |
89 | struct in_addr in; | |
90 | struct in6_addr in6; | |
91 | } in_addr; | |
92 | ||
6ae115c1 TG |
93 | union { |
94 | struct in_addr in; | |
95 | struct in6_addr in6; | |
96 | } dst_addr; | |
97 | ||
f579559b TG |
98 | LIST_FIELDS(Route, routes); |
99 | }; | |
100 | ||
f882c247 TG |
101 | typedef enum LinkState { |
102 | LINK_STATE_SET_ADDRESSES, | |
103 | LINK_STATE_ADDRESSES_SET, | |
104 | LINK_STATE_SET_ROUTES, | |
105 | LINK_STATE_ROUTES_SET, | |
106 | LINK_STATE_CONFIGURED, | |
107 | LINK_STATE_FAILED, | |
108 | _LINK_STATE_MAX, | |
109 | _LINK_STATE_INVALID = -1 | |
110 | } LinkState; | |
111 | ||
f579559b TG |
112 | struct Link { |
113 | Manager *manager; | |
114 | ||
0617ffab | 115 | uint64_t ifindex; |
c166a070 | 116 | char *ifname; |
8cd11a0f | 117 | struct ether_addr mac; |
f579559b TG |
118 | |
119 | unsigned flags; | |
120 | ||
121 | Network *network; | |
f882c247 TG |
122 | |
123 | LinkState state; | |
124 | ||
125 | unsigned rtnl_messages; | |
f579559b TG |
126 | }; |
127 | ||
128 | struct Manager { | |
129 | sd_rtnl *rtnl; | |
130 | sd_event *event; | |
131 | struct udev *udev; | |
132 | struct udev_monitor *udev_monitor; | |
133 | sd_event_source *udev_event_source; | |
134 | ||
135 | Hashmap *links; | |
136 | LIST_HEAD(Network, networks); | |
137 | ||
138 | char **network_dirs; | |
139 | usec_t network_dirs_ts_usec; | |
140 | }; | |
141 | ||
142 | /* Manager */ | |
143 | ||
144 | int manager_new(Manager **ret); | |
145 | void manager_free(Manager *m); | |
146 | ||
147 | int manager_udev_enumerate_links(Manager *m); | |
148 | int manager_udev_listen(Manager *m); | |
149 | ||
f882c247 TG |
150 | int manager_rtnl_listen(Manager *m); |
151 | ||
f579559b TG |
152 | DEFINE_TRIVIAL_CLEANUP_FUNC(Manager*, manager_free); |
153 | #define _cleanup_manager_free_ _cleanup_(manager_freep) | |
154 | ||
155 | /* Network */ | |
156 | ||
157 | int network_load(Manager *manager); | |
158 | bool network_should_reload(Manager *manager); | |
159 | ||
160 | void network_free(Network *network); | |
161 | ||
162 | DEFINE_TRIVIAL_CLEANUP_FUNC(Network*, network_free); | |
163 | #define _cleanup_network_free_ _cleanup_(network_freep) | |
164 | ||
165 | int network_get(Manager *manager, struct udev_device *device, Network **ret); | |
166 | int network_apply(Manager *manager, Network *network, Link *link); | |
167 | ||
168 | const struct ConfigPerfItem* network_gperf_lookup(const char *key, unsigned length); | |
169 | ||
170 | /* Route */ | |
6ae115c1 | 171 | int route_new(Network *network, unsigned section, Route **ret); |
f579559b | 172 | void route_free(Route *route); |
f882c247 | 173 | int route_configure(Route *route, Link *link, sd_rtnl_message_handler_t callback); |
f579559b TG |
174 | |
175 | DEFINE_TRIVIAL_CLEANUP_FUNC(Route*, route_free); | |
176 | #define _cleanup_route_free_ _cleanup_(route_freep) | |
177 | ||
178 | int config_parse_gateway(const char *unit, const char *filename, unsigned line, | |
71a61510 TG |
179 | const char *section, unsigned section_line, const char *lvalue, |
180 | int ltype, const char *rvalue, void *data, void *userdata); | |
f579559b | 181 | |
6ae115c1 TG |
182 | int config_parse_destination(const char *unit, const char *filename, unsigned line, |
183 | const char *section, unsigned section_line, const char *lvalue, | |
184 | int ltype, const char *rvalue, void *data, void *userdata); | |
185 | ||
f579559b | 186 | /* Address */ |
6ae115c1 | 187 | int address_new(Network *network, unsigned section, Address **ret); |
f579559b | 188 | void address_free(Address *address); |
f882c247 | 189 | int address_configure(Address *address, Link *link, sd_rtnl_message_handler_t callback); |
f579559b TG |
190 | |
191 | DEFINE_TRIVIAL_CLEANUP_FUNC(Address*, address_free); | |
192 | #define _cleanup_address_free_ _cleanup_(address_freep) | |
193 | ||
194 | int config_parse_address(const char *unit, const char *filename, unsigned line, | |
71a61510 TG |
195 | const char *section, unsigned section_line, const char *lvalue, |
196 | int ltype, const char *rvalue, void *data, void *userdata); | |
f579559b | 197 | |
6ae115c1 TG |
198 | int config_parse_label(const char *unit, const char *filename, unsigned line, |
199 | const char *section, unsigned section_line, const char *lvalue, | |
200 | int ltype, const char *rvalue, void *data, void *userdata); | |
201 | ||
f579559b TG |
202 | /* Link */ |
203 | ||
204 | int link_new(Manager *manager, struct udev_device *device, Link **ret); | |
205 | void link_free(Link *link); | |
206 | int link_add(Manager *manager, struct udev_device *device); | |
f882c247 | 207 | int link_configure(Link *link); |
f579559b TG |
208 | |
209 | DEFINE_TRIVIAL_CLEANUP_FUNC(Link*, link_free); | |
210 | #define _cleanup_link_free_ _cleanup_(link_freep) |