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02b59d57 TG |
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 | #include "networkd.h" | |
c6f7c917 | 23 | #include "network-internal.h" |
02b59d57 TG |
24 | #include "path-util.h" |
25 | #include "conf-files.h" | |
26 | #include "conf-parser.h" | |
27 | #include "list.h" | |
28 | ||
672682a6 TG |
29 | #define VLANID_MAX 4094 |
30 | ||
2c5859af | 31 | static const char* const netdev_kind_table[_NETDEV_KIND_MAX] = { |
52433f6b | 32 | [NETDEV_KIND_BRIDGE] = "bridge", |
54abf461 TG |
33 | [NETDEV_KIND_BOND] = "bond", |
34 | [NETDEV_KIND_VLAN] = "vlan", | |
fe6b2d55 | 35 | [NETDEV_KIND_MACVLAN] = "macvlan", |
52433f6b | 36 | }; |
02b59d57 | 37 | |
1a436809 TG |
38 | DEFINE_STRING_TABLE_LOOKUP(netdev_kind, NetDevKind); |
39 | DEFINE_CONFIG_PARSE_ENUM(config_parse_netdev_kind, netdev_kind, NetDevKind, "Failed to parse netdev kind"); | |
52433f6b | 40 | |
2c5859af | 41 | static const char* const macvlan_mode_table[_NETDEV_MACVLAN_MODE_MAX] = { |
fe6b2d55 TG |
42 | [NETDEV_MACVLAN_MODE_PRIVATE] = "private", |
43 | [NETDEV_MACVLAN_MODE_VEPA] = "vepa", | |
44 | [NETDEV_MACVLAN_MODE_BRIDGE] = "bridge", | |
45 | [NETDEV_MACVLAN_MODE_PASSTHRU] = "passthru", | |
46 | }; | |
47 | ||
48 | DEFINE_STRING_TABLE_LOOKUP(macvlan_mode, MacVlanMode); | |
49 | DEFINE_CONFIG_PARSE_ENUM(config_parse_macvlan_mode, macvlan_mode, MacVlanMode, "Failed to parse macvlan mode"); | |
50 | ||
14b746f7 | 51 | static void netdev_free(NetDev *netdev) { |
52433f6b TG |
52 | netdev_enslave_callback *callback; |
53 | ||
54 | if (!netdev) | |
02b59d57 TG |
55 | return; |
56 | ||
52433f6b TG |
57 | while ((callback = netdev->callbacks)) { |
58 | LIST_REMOVE(callbacks, netdev->callbacks, callback); | |
02b59d57 TG |
59 | free(callback); |
60 | } | |
61 | ||
52433f6b TG |
62 | if (netdev->name) |
63 | hashmap_remove(netdev->manager->netdevs, netdev->name); | |
02b59d57 | 64 | |
52433f6b | 65 | free(netdev->filename); |
02b59d57 | 66 | |
52433f6b TG |
67 | free(netdev->description); |
68 | free(netdev->name); | |
02b59d57 | 69 | |
79e16ce3 LP |
70 | condition_free_list(netdev->match_host); |
71 | condition_free_list(netdev->match_virt); | |
72 | condition_free_list(netdev->match_kernel); | |
73 | condition_free_list(netdev->match_arch); | |
74 | ||
52433f6b | 75 | free(netdev); |
02b59d57 TG |
76 | } |
77 | ||
14b746f7 TG |
78 | NetDev *netdev_unref(NetDev *netdev) { |
79 | if (netdev && (-- netdev->n_ref <= 0)) | |
80 | netdev_free(netdev); | |
81 | ||
82 | return NULL; | |
83 | } | |
84 | ||
85 | NetDev *netdev_ref(NetDev *netdev) { | |
86 | if (netdev) | |
87 | assert_se(++ netdev->n_ref >= 2); | |
88 | ||
89 | return netdev; | |
90 | } | |
91 | ||
1a436809 TG |
92 | int netdev_get(Manager *manager, const char *name, NetDev **ret) { |
93 | NetDev *netdev; | |
02b59d57 TG |
94 | |
95 | assert(manager); | |
96 | assert(name); | |
97 | assert(ret); | |
98 | ||
52433f6b TG |
99 | netdev = hashmap_get(manager->netdevs, name); |
100 | if (!netdev) { | |
02b59d57 TG |
101 | *ret = NULL; |
102 | return -ENOENT; | |
103 | } | |
104 | ||
52433f6b | 105 | *ret = netdev; |
02b59d57 TG |
106 | |
107 | return 0; | |
108 | } | |
109 | ||
1a436809 | 110 | static int netdev_enter_failed(NetDev *netdev) { |
52433f6b | 111 | netdev->state = NETDEV_STATE_FAILED; |
02b59d57 TG |
112 | |
113 | return 0; | |
114 | } | |
115 | ||
1a436809 | 116 | static int netdev_enslave_ready(NetDev *netdev, Link* link, sd_rtnl_message_handler_t callback) { |
cf6a8911 | 117 | _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL; |
02b59d57 TG |
118 | int r; |
119 | ||
52433f6b TG |
120 | assert(netdev); |
121 | assert(netdev->state == NETDEV_STATE_READY); | |
4fb7242c TG |
122 | assert(netdev->manager); |
123 | assert(netdev->manager->rtnl); | |
02b59d57 TG |
124 | assert(link); |
125 | assert(callback); | |
126 | ||
151b9b96 LP |
127 | r = sd_rtnl_message_new_link(netdev->manager->rtnl, &req, |
128 | RTM_SETLINK, link->ifindex); | |
02b59d57 | 129 | if (r < 0) { |
52433f6b | 130 | log_error_netdev(netdev, |
3333d748 ZJS |
131 | "Could not allocate RTM_SETLINK message: %s", |
132 | strerror(-r)); | |
02b59d57 TG |
133 | return r; |
134 | } | |
135 | ||
50add290 | 136 | r = sd_rtnl_message_append_u32(req, IFLA_MASTER, netdev->ifindex); |
02b59d57 | 137 | if (r < 0) { |
52433f6b | 138 | log_error_netdev(netdev, |
3333d748 ZJS |
139 | "Could not append IFLA_MASTER attribute: %s", |
140 | strerror(-r)); | |
02b59d57 TG |
141 | return r; |
142 | } | |
143 | ||
52433f6b | 144 | r = sd_rtnl_call_async(netdev->manager->rtnl, req, callback, link, 0, NULL); |
02b59d57 | 145 | if (r < 0) { |
52433f6b | 146 | log_error_netdev(netdev, |
3333d748 ZJS |
147 | "Could not send rtnetlink message: %s", |
148 | strerror(-r)); | |
02b59d57 TG |
149 | return r; |
150 | } | |
151 | ||
52433f6b | 152 | log_debug_netdev(netdev, "enslaving link '%s'", link->ifname); |
ab47d620 | 153 | |
02b59d57 TG |
154 | return 0; |
155 | } | |
156 | ||
1a436809 | 157 | static int netdev_enter_ready(NetDev *netdev) { |
52433f6b | 158 | netdev_enslave_callback *callback; |
02b59d57 | 159 | |
52433f6b TG |
160 | assert(netdev); |
161 | assert(netdev->name); | |
924fe430 | 162 | |
ba5596ec TG |
163 | if (netdev->state != NETDEV_STATE_CREATING) |
164 | return 0; | |
165 | ||
52433f6b | 166 | netdev->state = NETDEV_STATE_READY; |
02b59d57 | 167 | |
52433f6b | 168 | log_info_netdev(netdev, "netdev ready"); |
02b59d57 | 169 | |
52433f6b TG |
170 | LIST_FOREACH(callbacks, callback, netdev->callbacks) { |
171 | /* enslave the links that were attempted to be enslaved befor the | |
02b59d57 | 172 | * link was ready */ |
52433f6b | 173 | netdev_enslave_ready(netdev, callback->link, callback->callback); |
02b59d57 TG |
174 | } |
175 | ||
176 | return 0; | |
177 | } | |
52433f6b | 178 | static int netdev_create_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) { |
1a436809 | 179 | NetDev *netdev = userdata; |
172f6635 | 180 | int r; |
02b59d57 | 181 | |
52433f6b | 182 | assert(netdev->state != _NETDEV_STATE_INVALID); |
02b59d57 TG |
183 | |
184 | r = sd_rtnl_message_get_errno(m); | |
e09826dc | 185 | if (r == -EEXIST) |
505f8da7 TG |
186 | log_debug_netdev(netdev, "netdev exists, using existing"); |
187 | else if (r < 0) { | |
52433f6b TG |
188 | log_warning_netdev(netdev, "netdev failed: %s", strerror(-r)); |
189 | netdev_enter_failed(netdev); | |
dd3efc09 TG |
190 | |
191 | return 1; | |
02b59d57 TG |
192 | } |
193 | ||
dd3efc09 | 194 | return 1; |
02b59d57 TG |
195 | } |
196 | ||
1a436809 | 197 | static int netdev_create(NetDev *netdev, Link *link, sd_rtnl_message_handler_t callback) { |
cf6a8911 | 198 | _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL; |
52433f6b | 199 | const char *kind; |
02b59d57 TG |
200 | int r; |
201 | ||
52433f6b | 202 | assert(netdev); |
fe6b2d55 TG |
203 | assert(!(netdev->kind == NETDEV_KIND_VLAN || netdev->kind == NETDEV_KIND_MACVLAN) || |
204 | (link && callback)); | |
52433f6b TG |
205 | assert(netdev->name); |
206 | assert(netdev->manager); | |
207 | assert(netdev->manager->rtnl); | |
02b59d57 | 208 | |
151b9b96 | 209 | r = sd_rtnl_message_new_link(netdev->manager->rtnl, &req, RTM_NEWLINK, 0); |
02b59d57 | 210 | if (r < 0) { |
52433f6b | 211 | log_error_netdev(netdev, |
3333d748 ZJS |
212 | "Could not allocate RTM_NEWLINK message: %s", |
213 | strerror(-r)); | |
02b59d57 TG |
214 | return r; |
215 | } | |
216 | ||
54abf461 TG |
217 | if (link) { |
218 | r = sd_rtnl_message_append_u32(req, IFLA_LINK, link->ifindex); | |
219 | if (r < 0) { | |
220 | log_error_netdev(netdev, | |
221 | "Could not append IFLA_LINK attribute: %s", | |
222 | strerror(-r)); | |
223 | return r; | |
224 | } | |
225 | } | |
226 | ||
52433f6b | 227 | r = sd_rtnl_message_append_string(req, IFLA_IFNAME, netdev->name); |
02b59d57 | 228 | if (r < 0) { |
52433f6b | 229 | log_error_netdev(netdev, |
3333d748 ZJS |
230 | "Could not append IFLA_IFNAME attribute: %s", |
231 | strerror(-r)); | |
02b59d57 TG |
232 | return r; |
233 | } | |
234 | ||
ee3a6a51 | 235 | r = sd_rtnl_message_open_container(req, IFLA_LINKINFO); |
02b59d57 | 236 | if (r < 0) { |
52433f6b | 237 | log_error_netdev(netdev, |
3333d748 ZJS |
238 | "Could not open IFLA_LINKINFO container: %s", |
239 | strerror(-r)); | |
02b59d57 TG |
240 | return r; |
241 | } | |
242 | ||
52433f6b TG |
243 | kind = netdev_kind_to_string(netdev->kind); |
244 | if (!kind) { | |
245 | log_error_netdev(netdev, "Invalid kind"); | |
246 | return -EINVAL; | |
247 | } | |
248 | ||
d8e538ec | 249 | r = sd_rtnl_message_open_container_union(req, IFLA_INFO_DATA, kind); |
02b59d57 | 250 | if (r < 0) { |
52433f6b | 251 | log_error_netdev(netdev, |
d8e538ec TG |
252 | "Could not open IFLA_INFO_DATA container: %s", |
253 | strerror(-r)); | |
02b59d57 TG |
254 | return r; |
255 | } | |
256 | ||
d8e538ec TG |
257 | if (netdev->vlanid <= VLANID_MAX) { |
258 | r = sd_rtnl_message_append_u16(req, IFLA_VLAN_ID, netdev->vlanid); | |
54abf461 TG |
259 | if (r < 0) { |
260 | log_error_netdev(netdev, | |
d8e538ec | 261 | "Could not append IFLA_VLAN_ID attribute: %s", |
54abf461 TG |
262 | strerror(-r)); |
263 | return r; | |
264 | } | |
d8e538ec | 265 | } |
54abf461 | 266 | |
d8e538ec TG |
267 | if (netdev->macvlan_mode != _NETDEV_MACVLAN_MODE_INVALID) { |
268 | r = sd_rtnl_message_append_u32(req, IFLA_MACVLAN_MODE, netdev->macvlan_mode); | |
269 | if (r < 0) { | |
270 | log_error_netdev(netdev, | |
271 | "Could not append IFLA_MACVLAN_MODE attribute: %s", | |
272 | strerror(-r)); | |
54abf461 TG |
273 | return r; |
274 | } | |
275 | } | |
276 | ||
d8e538ec TG |
277 | r = sd_rtnl_message_close_container(req); |
278 | if (r < 0) { | |
279 | log_error_netdev(netdev, | |
280 | "Could not close IFLA_INFO_DATA container %s", | |
281 | strerror(-r)); | |
282 | return r; | |
283 | } | |
284 | ||
02b59d57 TG |
285 | r = sd_rtnl_message_close_container(req); |
286 | if (r < 0) { | |
52433f6b | 287 | log_error_netdev(netdev, |
3333d748 ZJS |
288 | "Could not close IFLA_LINKINFO container %s", |
289 | strerror(-r)); | |
02b59d57 TG |
290 | return r; |
291 | } | |
292 | ||
54abf461 TG |
293 | if (link) |
294 | r = sd_rtnl_call_async(netdev->manager->rtnl, req, callback, link, 0, NULL); | |
295 | else | |
296 | r = sd_rtnl_call_async(netdev->manager->rtnl, req, &netdev_create_handler, netdev, 0, NULL); | |
02b59d57 | 297 | if (r < 0) { |
52433f6b | 298 | log_error_netdev(netdev, |
3333d748 | 299 | "Could not send rtnetlink message: %s", strerror(-r)); |
02b59d57 TG |
300 | return r; |
301 | } | |
302 | ||
52433f6b | 303 | log_debug_netdev(netdev, "creating netdev"); |
02b59d57 | 304 | |
52433f6b | 305 | netdev->state = NETDEV_STATE_CREATING; |
02b59d57 TG |
306 | |
307 | return 0; | |
308 | } | |
309 | ||
1a436809 | 310 | int netdev_enslave(NetDev *netdev, Link *link, sd_rtnl_message_handler_t callback) { |
fe6b2d55 | 311 | if (netdev->kind == NETDEV_KIND_VLAN || netdev->kind == NETDEV_KIND_MACVLAN) |
54abf461 TG |
312 | return netdev_create(netdev, link, callback); |
313 | ||
52433f6b TG |
314 | if (netdev->state == NETDEV_STATE_READY) { |
315 | netdev_enslave_ready(netdev, link, callback); | |
02b59d57 | 316 | } else { |
52433f6b TG |
317 | /* the netdev is not yet read, save this request for when it is*/ |
318 | netdev_enslave_callback *cb; | |
02b59d57 | 319 | |
52433f6b | 320 | cb = new0(netdev_enslave_callback, 1); |
02b59d57 TG |
321 | if (!cb) |
322 | return log_oom(); | |
323 | ||
324 | cb->callback = callback; | |
325 | cb->link = link; | |
326 | ||
52433f6b | 327 | LIST_PREPEND(callbacks, netdev->callbacks, cb); |
02b59d57 TG |
328 | } |
329 | ||
330 | return 0; | |
331 | } | |
332 | ||
d39edfc7 | 333 | int netdev_set_ifindex(NetDev *netdev, sd_rtnl_message *message) { |
c3ebdce3 | 334 | uint16_t type; |
d39edfc7 TG |
335 | const char *kind; |
336 | char *received_kind; | |
c6315a7a | 337 | char *received_name; |
d39edfc7 TG |
338 | int r, ifindex; |
339 | ||
50add290 | 340 | assert(netdev); |
c3ebdce3 | 341 | assert(message); |
02b59d57 | 342 | |
c3ebdce3 | 343 | r = sd_rtnl_message_get_type(message, &type); |
ba5596ec TG |
344 | if (r < 0) { |
345 | log_error_netdev(netdev, "Could not get rtnl message type"); | |
c3ebdce3 | 346 | return r; |
ba5596ec | 347 | } |
c3ebdce3 | 348 | |
ba5596ec TG |
349 | if (type != RTM_NEWLINK) { |
350 | log_error_netdev(netdev, "Can not set ifindex from unexpected rtnl message type"); | |
c3ebdce3 | 351 | return -EINVAL; |
ba5596ec | 352 | } |
d39edfc7 | 353 | |
a21df104 TG |
354 | r = sd_rtnl_message_link_get_ifindex(message, &ifindex); |
355 | if (r < 0) { | |
356 | log_error_netdev(netdev, "Could not get ifindex: %s", strerror(-r)); | |
357 | netdev_enter_failed(netdev); | |
358 | return r; | |
359 | } else if (ifindex <= 0) { | |
360 | log_error_netdev(netdev, "Got invalid ifindex: %d", ifindex); | |
361 | netdev_enter_failed(netdev); | |
362 | return r; | |
363 | } | |
364 | ||
365 | ||
366 | if (netdev->ifindex > 0) { | |
367 | if (netdev->ifindex != ifindex) { | |
368 | log_error_netdev(netdev, "Could not set ifindex to %d, already set to %d", | |
369 | ifindex, netdev->ifindex); | |
370 | netdev_enter_failed(netdev); | |
371 | return -EEXIST; | |
372 | } else | |
373 | /* ifindex already set to the same for this netdev */ | |
374 | return 0; | |
375 | } | |
376 | ||
c6315a7a TG |
377 | r = sd_rtnl_message_read_string(message, IFLA_IFNAME, &received_name); |
378 | if (r < 0) { | |
379 | log_error_netdev(netdev, "Could not get IFNAME"); | |
380 | return r; | |
381 | } | |
382 | ||
383 | if (!streq(netdev->name, received_name)) { | |
384 | log_error_netdev(netdev, "Received newlink with wrong IFNAME %s", | |
385 | received_name); | |
386 | netdev_enter_failed(netdev); | |
387 | return r; | |
388 | } | |
389 | ||
d39edfc7 TG |
390 | r = sd_rtnl_message_enter_container(message, IFLA_LINKINFO); |
391 | if (r < 0) { | |
392 | log_error_netdev(netdev, "Could not get LINKINFO"); | |
393 | return r; | |
394 | } | |
395 | ||
396 | r = sd_rtnl_message_read_string(message, IFLA_INFO_KIND, &received_kind); | |
397 | if (r < 0) { | |
398 | log_error_netdev(netdev, "Could not get KIND"); | |
399 | return r; | |
400 | } | |
401 | ||
505f8da7 TG |
402 | r = sd_rtnl_message_exit_container(message); |
403 | if (r < 0) { | |
404 | log_error_netdev(netdev, "Could not exit container"); | |
405 | return r; | |
406 | } | |
407 | ||
c3ebdce3 TG |
408 | kind = netdev_kind_to_string(netdev->kind); |
409 | if (!kind) { | |
410 | log_error_netdev(netdev, "Could not get kind"); | |
411 | netdev_enter_failed(netdev); | |
412 | return -EINVAL; | |
413 | } | |
414 | ||
d39edfc7 | 415 | if (!streq(kind, received_kind)) { |
c6315a7a TG |
416 | log_error_netdev(netdev, "Received newlink with wrong KIND %s, " |
417 | "expected %s", received_kind, kind); | |
d39edfc7 TG |
418 | netdev_enter_failed(netdev); |
419 | return r; | |
420 | } | |
421 | ||
50add290 | 422 | netdev->ifindex = ifindex; |
52433f6b TG |
423 | |
424 | netdev_enter_ready(netdev); | |
02b59d57 TG |
425 | |
426 | return 0; | |
427 | } | |
428 | ||
52433f6b | 429 | static int netdev_load_one(Manager *manager, const char *filename) { |
14b746f7 | 430 | _cleanup_netdev_unref_ NetDev *netdev = NULL; |
02b59d57 TG |
431 | _cleanup_fclose_ FILE *file = NULL; |
432 | int r; | |
433 | ||
bf1bc670 TA |
434 | assert(manager); |
435 | assert(filename); | |
436 | ||
6916ec29 TG |
437 | if (null_or_empty_path(filename)) { |
438 | log_debug("skipping empty file: %s", filename); | |
439 | return 0; | |
440 | } | |
441 | ||
02b59d57 TG |
442 | file = fopen(filename, "re"); |
443 | if (!file) { | |
444 | if (errno == ENOENT) | |
445 | return 0; | |
446 | else | |
ecb08ec6 | 447 | return -errno; |
02b59d57 TG |
448 | } |
449 | ||
1a436809 | 450 | netdev = new0(NetDev, 1); |
52433f6b | 451 | if (!netdev) |
02b59d57 TG |
452 | return log_oom(); |
453 | ||
14b746f7 | 454 | netdev->n_ref = 1; |
52433f6b TG |
455 | netdev->manager = manager; |
456 | netdev->state = _NETDEV_STATE_INVALID; | |
457 | netdev->kind = _NETDEV_KIND_INVALID; | |
fe6b2d55 | 458 | netdev->macvlan_mode = _NETDEV_MACVLAN_MODE_INVALID; |
672682a6 | 459 | netdev->vlanid = VLANID_MAX + 1; |
02b59d57 | 460 | |
fe6b2d55 TG |
461 | r = config_parse(NULL, filename, file, "Match\0NetDev\0VLAN\0MACVLAN\0", |
462 | config_item_perf_lookup, (void*) network_netdev_gperf_lookup, | |
463 | false, false, netdev); | |
02b59d57 TG |
464 | if (r < 0) { |
465 | log_warning("Could not parse config file %s: %s", filename, strerror(-r)); | |
466 | return r; | |
449f7554 | 467 | } |
02b59d57 | 468 | |
52433f6b | 469 | if (netdev->kind == _NETDEV_KIND_INVALID) { |
1a436809 | 470 | log_warning("NetDev without Kind configured in %s. Ignoring", filename); |
52433f6b TG |
471 | return 0; |
472 | } | |
473 | ||
474 | if (!netdev->name) { | |
1a436809 | 475 | log_warning("NetDev without Name configured in %s. Ignoring", filename); |
02b59d57 TG |
476 | return 0; |
477 | } | |
478 | ||
672682a6 TG |
479 | if (netdev->kind == NETDEV_KIND_VLAN && netdev->vlanid > VLANID_MAX) { |
480 | log_warning("VLAN without valid Id configured in %s. Ignoring", filename); | |
54abf461 TG |
481 | return 0; |
482 | } | |
483 | ||
fe6b2d55 TG |
484 | if (netdev->kind != NETDEV_KIND_VLAN && netdev->vlanid <= VLANID_MAX) { |
485 | log_warning("VLAN Id configured for a %s in %s. Ignoring", | |
486 | netdev_kind_to_string(netdev->kind), filename); | |
487 | return 0; | |
488 | } | |
489 | ||
490 | if (netdev->kind != NETDEV_KIND_MACVLAN && | |
491 | netdev->macvlan_mode != _NETDEV_MACVLAN_MODE_INVALID) { | |
492 | log_warning("MACVLAN Mode configured for a %s in %s. Ignoring", | |
493 | netdev_kind_to_string(netdev->kind), filename); | |
494 | return 0; | |
495 | } | |
496 | ||
52433f6b TG |
497 | netdev->filename = strdup(filename); |
498 | if (!netdev->filename) | |
02b59d57 TG |
499 | return log_oom(); |
500 | ||
c0dda186 | 501 | if (net_match_config(NULL, NULL, NULL, NULL, NULL, |
edbb03e9 TG |
502 | netdev->match_host, netdev->match_virt, |
503 | netdev->match_kernel, netdev->match_arch, | |
bf175aaf | 504 | NULL, NULL, NULL, NULL, NULL, NULL) <= 0) |
c0dda186 TG |
505 | return 0; |
506 | ||
52433f6b | 507 | r = hashmap_put(netdev->manager->netdevs, netdev->name, netdev); |
02b59d57 TG |
508 | if (r < 0) |
509 | return r; | |
510 | ||
52433f6b | 511 | LIST_HEAD_INIT(netdev->callbacks); |
02b59d57 | 512 | |
fe6b2d55 TG |
513 | if (netdev->kind != NETDEV_KIND_VLAN && |
514 | netdev->kind != NETDEV_KIND_MACVLAN) { | |
54abf461 TG |
515 | r = netdev_create(netdev, NULL, NULL); |
516 | if (r < 0) | |
517 | return r; | |
518 | } | |
02b59d57 | 519 | |
69ceb044 TG |
520 | log_debug_netdev(netdev, "loaded %s", netdev_kind_to_string(netdev->kind)); |
521 | ||
52433f6b | 522 | netdev = NULL; |
02b59d57 TG |
523 | |
524 | return 0; | |
525 | } | |
526 | ||
52433f6b | 527 | int netdev_load(Manager *manager) { |
1a436809 | 528 | NetDev *netdev; |
02b59d57 TG |
529 | char **files, **f; |
530 | int r; | |
531 | ||
532 | assert(manager); | |
533 | ||
52433f6b | 534 | while ((netdev = hashmap_first(manager->netdevs))) |
14b746f7 | 535 | netdev_unref(netdev); |
02b59d57 | 536 | |
2ad8416d | 537 | r = conf_files_list_strv(&files, ".netdev", NULL, network_dirs); |
02b59d57 TG |
538 | if (r < 0) { |
539 | log_error("Failed to enumerate netdev files: %s", strerror(-r)); | |
540 | return r; | |
541 | } | |
542 | ||
543 | STRV_FOREACH_BACKWARDS(f, files) { | |
52433f6b | 544 | r = netdev_load_one(manager, *f); |
02b59d57 TG |
545 | if (r < 0) |
546 | return r; | |
547 | } | |
548 | ||
549 | strv_free(files); | |
550 | ||
551 | return 0; | |
552 | } |