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af6f0d42 TG |
1 | /*** |
2 | This file is part of systemd. | |
3 | ||
4 | Copyright (C) 2013 Tom Gundersen <teg@jklm.no> | |
5 | ||
6 | systemd is free software; you can redistribute it and/or modify it | |
7 | under the terms of the GNU Lesser General Public License as published by | |
8 | the Free Software Foundation; either version 2.1 of the License, or | |
9 | (at your option) any later version. | |
10 | ||
11 | systemd is distributed in the hope that it will be useful, but | |
12 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | Lesser General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU Lesser General Public License | |
17 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
18 | ***/ | |
19 | ||
43b3a5ef TG |
20 | #include <netinet/ether.h> |
21 | ||
07630cea | 22 | #include "sd-netlink.h" |
af6f0d42 | 23 | |
b5efdb8a | 24 | #include "alloc-util.h" |
07630cea LP |
25 | #include "conf-files.h" |
26 | #include "conf-parser.h" | |
a5010333 | 27 | #include "ethtool-util.h" |
3ffd4af2 | 28 | #include "fd-util.h" |
43b3a5ef | 29 | #include "libudev-private.h" |
07630cea | 30 | #include "link-config.h" |
af6f0d42 | 31 | #include "log.h" |
07630cea | 32 | #include "missing.h" |
1c4baffc | 33 | #include "netlink-util.h" |
c6f7c917 | 34 | #include "network-internal.h" |
6bedfcbb | 35 | #include "parse-util.h" |
07630cea | 36 | #include "path-util.h" |
4e731273 | 37 | #include "proc-cmdline.h" |
3df3e884 | 38 | #include "random-util.h" |
8fcde012 | 39 | #include "stat-util.h" |
8b43440b | 40 | #include "string-table.h" |
07630cea LP |
41 | #include "string-util.h" |
42 | #include "strv.h" | |
43 | #include "util.h" | |
af6f0d42 TG |
44 | |
45 | struct link_config_ctx { | |
46 | LIST_HEAD(link_config, links); | |
47 | ||
a5010333 TG |
48 | int ethtool_fd; |
49 | ||
f6194225 TG |
50 | bool enable_name_policy; |
51 | ||
1c4baffc | 52 | sd_netlink *rtnl; |
43b3a5ef | 53 | |
97f2d76d | 54 | usec_t link_dirs_ts_usec; |
af6f0d42 TG |
55 | }; |
56 | ||
2ad8416d ZJS |
57 | static const char* const link_dirs[] = { |
58 | "/etc/systemd/network", | |
59 | "/run/systemd/network", | |
60 | "/usr/lib/systemd/network", | |
349cc4a5 | 61 | #if HAVE_SPLIT_USR |
2ad8416d ZJS |
62 | "/lib/systemd/network", |
63 | #endif | |
64 | NULL}; | |
65 | ||
9a4b012e TG |
66 | static void link_config_free(link_config *link) { |
67 | if (!link) | |
68 | return; | |
5b9d4dc0 | 69 | |
9a4b012e TG |
70 | free(link->filename); |
71 | ||
72 | free(link->match_mac); | |
43d60b77 TG |
73 | strv_free(link->match_path); |
74 | strv_free(link->match_driver); | |
75 | strv_free(link->match_type); | |
9a4b012e TG |
76 | free(link->match_name); |
77 | free(link->match_host); | |
78 | free(link->match_virt); | |
79 | free(link->match_kernel); | |
80 | free(link->match_arch); | |
81 | ||
82 | free(link->description); | |
83 | free(link->mac); | |
84 | free(link->name_policy); | |
85 | free(link->name); | |
86 | free(link->alias); | |
87 | ||
88 | free(link); | |
af6f0d42 TG |
89 | } |
90 | ||
9a4b012e TG |
91 | DEFINE_TRIVIAL_CLEANUP_FUNC(link_config*, link_config_free); |
92 | ||
af6f0d42 TG |
93 | static void link_configs_free(link_config_ctx *ctx) { |
94 | link_config *link, *link_next; | |
95 | ||
96 | if (!ctx) | |
97 | return; | |
98 | ||
9a4b012e TG |
99 | LIST_FOREACH_SAFE(links, link, link_next, ctx->links) |
100 | link_config_free(link); | |
af6f0d42 TG |
101 | } |
102 | ||
103 | void link_config_ctx_free(link_config_ctx *ctx) { | |
104 | if (!ctx) | |
105 | return; | |
106 | ||
03e334a1 | 107 | safe_close(ctx->ethtool_fd); |
43b3a5ef | 108 | |
1c4baffc | 109 | sd_netlink_unref(ctx->rtnl); |
43b3a5ef | 110 | |
af6f0d42 TG |
111 | link_configs_free(ctx); |
112 | ||
113 | free(ctx); | |
114 | ||
115 | return; | |
116 | } | |
117 | ||
9a4b012e TG |
118 | DEFINE_TRIVIAL_CLEANUP_FUNC(link_config_ctx*, link_config_ctx_free); |
119 | ||
120 | int link_config_ctx_new(link_config_ctx **ret) { | |
121 | _cleanup_(link_config_ctx_freep) link_config_ctx *ctx = NULL; | |
122 | ||
123 | if (!ret) | |
124 | return -EINVAL; | |
125 | ||
126 | ctx = new0(link_config_ctx, 1); | |
127 | if (!ctx) | |
128 | return -ENOMEM; | |
129 | ||
130 | LIST_HEAD_INIT(ctx->links); | |
131 | ||
132 | ctx->ethtool_fd = -1; | |
133 | ||
134 | ctx->enable_name_policy = true; | |
135 | ||
136 | *ret = ctx; | |
137 | ctx = NULL; | |
138 | ||
139 | return 0; | |
140 | } | |
141 | ||
af6f0d42 | 142 | static int load_link(link_config_ctx *ctx, const char *filename) { |
9a4b012e | 143 | _cleanup_(link_config_freep) link_config *link = NULL; |
6e37cd2f | 144 | _cleanup_fclose_ FILE *file = NULL; |
af6f0d42 TG |
145 | int r; |
146 | ||
187dc6e5 TA |
147 | assert(ctx); |
148 | assert(filename); | |
149 | ||
af6f0d42 TG |
150 | file = fopen(filename, "re"); |
151 | if (!file) { | |
152 | if (errno == ENOENT) | |
153 | return 0; | |
154 | else | |
ecb08ec6 | 155 | return -errno; |
af6f0d42 TG |
156 | } |
157 | ||
ed88bcfb ZJS |
158 | if (null_or_empty_fd(fileno(file))) { |
159 | log_debug("Skipping empty file: %s", filename); | |
160 | return 0; | |
161 | } | |
162 | ||
af6f0d42 | 163 | link = new0(link_config, 1); |
ecb08ec6 ZJS |
164 | if (!link) |
165 | return log_oom(); | |
af6f0d42 | 166 | |
5fde13d7 TG |
167 | link->mac_policy = _MACPOLICY_INVALID; |
168 | link->wol = _WOL_INVALID; | |
169 | link->duplex = _DUP_INVALID; | |
593022fa | 170 | link->port = _NET_DEV_PORT_INVALID; |
a39f92d3 | 171 | link->autonegotiation = -1; |
5fde13d7 | 172 | |
45d34fa7 | 173 | memset(&link->features, -1, sizeof(link->features)); |
50725d10 | 174 | |
e9f3d2d5 ZJS |
175 | r = config_parse(NULL, filename, file, |
176 | "Match\0Link\0Ethernet\0", | |
177 | config_item_perf_lookup, link_config_gperf_lookup, | |
36f822c4 ZJS |
178 | false, false, true, link); |
179 | if (r < 0) | |
ecb08ec6 | 180 | return r; |
36f822c4 | 181 | else |
98a375f6 | 182 | log_debug("Parsed configuration file %s", filename); |
af6f0d42 | 183 | |
dab495dc TG |
184 | if (link->mtu > UINT_MAX || link->speed > UINT_MAX) |
185 | return -ERANGE; | |
186 | ||
af6f0d42 TG |
187 | link->filename = strdup(filename); |
188 | ||
189 | LIST_PREPEND(links, ctx->links, link); | |
ecb08ec6 | 190 | link = NULL; |
af6f0d42 TG |
191 | |
192 | return 0; | |
af6f0d42 TG |
193 | } |
194 | ||
f6194225 | 195 | static bool enable_name_policy(void) { |
1d84ad94 | 196 | bool b; |
f6194225 | 197 | |
1d84ad94 | 198 | return proc_cmdline_get_bool("net.ifnames", &b) <= 0 || b; |
f6194225 TG |
199 | } |
200 | ||
af6f0d42 | 201 | int link_config_load(link_config_ctx *ctx) { |
edf029b7 TG |
202 | _cleanup_strv_free_ char **files; |
203 | char **f; | |
a39f92d3 | 204 | int r; |
af6f0d42 TG |
205 | |
206 | link_configs_free(ctx); | |
207 | ||
f6194225 TG |
208 | if (!enable_name_policy()) { |
209 | ctx->enable_name_policy = false; | |
3f85ef0f | 210 | log_info("Network interface NamePolicy= disabled on kernel command line, ignoring."); |
f6194225 TG |
211 | } |
212 | ||
97f2d76d | 213 | /* update timestamp */ |
2ad8416d | 214 | paths_check_timestamp(link_dirs, &ctx->link_dirs_ts_usec, true); |
af6f0d42 | 215 | |
b5084605 | 216 | r = conf_files_list_strv(&files, ".link", NULL, 0, link_dirs); |
f647962d MS |
217 | if (r < 0) |
218 | return log_error_errno(r, "failed to enumerate link files: %m"); | |
af6f0d42 TG |
219 | |
220 | STRV_FOREACH_BACKWARDS(f, files) { | |
221 | r = load_link(ctx, *f); | |
222 | if (r < 0) | |
223 | return r; | |
224 | } | |
225 | ||
226 | return 0; | |
227 | } | |
228 | ||
229 | bool link_config_should_reload(link_config_ctx *ctx) { | |
2ad8416d | 230 | return paths_check_timestamp(link_dirs, &ctx->link_dirs_ts_usec, false); |
af6f0d42 TG |
231 | } |
232 | ||
464cf22f TG |
233 | int link_config_get(link_config_ctx *ctx, struct udev_device *device, |
234 | link_config **ret) { | |
af6f0d42 TG |
235 | link_config *link; |
236 | ||
3b64e4d4 TG |
237 | assert(ctx); |
238 | assert(device); | |
239 | assert(ret); | |
240 | ||
af6f0d42 | 241 | LIST_FOREACH(links, link, ctx->links) { |
7eb08da4 | 242 | const char* attr_value; |
7eb08da4 TG |
243 | |
244 | attr_value = udev_device_get_sysattr_value(device, "address"); | |
b3e01314 | 245 | |
edbb03e9 | 246 | if (net_match_config(link->match_mac, link->match_path, link->match_driver, |
7eb08da4 | 247 | link->match_type, link->match_name, link->match_host, |
edbb03e9 | 248 | link->match_virt, link->match_kernel, link->match_arch, |
eb7040ec | 249 | attr_value ? ether_aton(attr_value) : NULL, |
b3e01314 | 250 | udev_device_get_property_value(device, "ID_PATH"), |
9b1c2626 | 251 | udev_device_get_driver(udev_device_get_parent(device)), |
bf175aaf | 252 | udev_device_get_property_value(device, "ID_NET_DRIVER"), |
b3e01314 | 253 | udev_device_get_devtype(device), |
32bc8adc TG |
254 | udev_device_get_sysname(device))) { |
255 | if (link->match_name) { | |
256 | unsigned char name_assign_type = NET_NAME_UNKNOWN; | |
257 | ||
258 | attr_value = udev_device_get_sysattr_value(device, "name_assign_type"); | |
259 | if (attr_value) | |
dc751688 | 260 | (void) safe_atou8(attr_value, &name_assign_type); |
32bc8adc TG |
261 | |
262 | if (name_assign_type == NET_NAME_ENUM) { | |
ca6038b8 | 263 | log_warning("Config file %s applies to device based on potentially unpredictable interface name '%s'", |
32bc8adc TG |
264 | link->filename, udev_device_get_sysname(device)); |
265 | *ret = link; | |
266 | ||
267 | return 0; | |
268 | } else if (name_assign_type == NET_NAME_RENAMED) { | |
269 | log_warning("Config file %s matches device based on renamed interface name '%s', ignoring", | |
270 | link->filename, udev_device_get_sysname(device)); | |
32bc8adc | 271 | |
ca6038b8 | 272 | continue; |
32bc8adc | 273 | } |
ca6038b8 | 274 | } |
32bc8adc | 275 | |
ca6038b8 TG |
276 | log_debug("Config file %s applies to device %s", |
277 | link->filename, udev_device_get_sysname(device)); | |
32bc8adc | 278 | |
ca6038b8 TG |
279 | *ret = link; |
280 | ||
281 | return 0; | |
af6f0d42 TG |
282 | } |
283 | } | |
284 | ||
be32eb9b TG |
285 | *ret = NULL; |
286 | ||
af6f0d42 TG |
287 | return -ENOENT; |
288 | } | |
289 | ||
16b9b87a TG |
290 | static bool mac_is_random(struct udev_device *device) { |
291 | const char *s; | |
f1ac7002 TG |
292 | unsigned type; |
293 | int r; | |
16b9b87a | 294 | |
3c9b8860 | 295 | /* if we can't get the assign type, assume it is not random */ |
16b9b87a TG |
296 | s = udev_device_get_sysattr_value(device, "addr_assign_type"); |
297 | if (!s) | |
3c9b8860 TG |
298 | return false; |
299 | ||
f1ac7002 TG |
300 | r = safe_atou(s, &type); |
301 | if (r < 0) | |
302 | return false; | |
16b9b87a | 303 | |
04b67d49 TG |
304 | return type == NET_ADDR_RANDOM; |
305 | } | |
306 | ||
307 | static bool should_rename(struct udev_device *device, bool respect_predictable) { | |
308 | const char *s; | |
309 | unsigned type; | |
310 | int r; | |
311 | ||
3c9b8860 | 312 | /* if we can't get the assgin type, assume we should rename */ |
04b67d49 TG |
313 | s = udev_device_get_sysattr_value(device, "name_assign_type"); |
314 | if (!s) | |
3c9b8860 TG |
315 | return true; |
316 | ||
04b67d49 TG |
317 | r = safe_atou(s, &type); |
318 | if (r < 0) | |
319 | return true; | |
320 | ||
321 | switch (type) { | |
322 | case NET_NAME_USER: | |
323 | case NET_NAME_RENAMED: | |
3c9b8860 TG |
324 | /* these were already named by userspace, do not touch again */ |
325 | return false; | |
04b67d49 | 326 | case NET_NAME_PREDICTABLE: |
3c9b8860 | 327 | /* the kernel claims to have given a predictable name */ |
04b67d49 | 328 | if (respect_predictable) |
3c9b8860 | 329 | return false; |
04b67d49 TG |
330 | /* fall through */ |
331 | case NET_NAME_ENUM: | |
332 | default: | |
3c9b8860 TG |
333 | /* the name is known to be bad, or of an unknown type */ |
334 | return true; | |
04b67d49 | 335 | } |
16b9b87a TG |
336 | } |
337 | ||
464cf22f TG |
338 | static int get_mac(struct udev_device *device, bool want_random, |
339 | struct ether_addr *mac) { | |
9bf3b535 | 340 | int r; |
16b9b87a | 341 | |
16b9b87a | 342 | if (want_random) |
9bf3b535 | 343 | random_bytes(mac->ether_addr_octet, ETH_ALEN); |
16b9b87a | 344 | else { |
dbe81cbd | 345 | uint64_t result; |
9bf3b535 | 346 | |
dbe81cbd | 347 | r = net_get_unique_predictable_data(device, &result); |
16b9b87a | 348 | if (r < 0) |
55428d84 | 349 | return r; |
16b9b87a | 350 | |
9bf3b535 | 351 | assert_cc(ETH_ALEN <= sizeof(result)); |
dbe81cbd | 352 | memcpy(mac->ether_addr_octet, &result, ETH_ALEN); |
16b9b87a TG |
353 | } |
354 | ||
355 | /* see eth_random_addr in the kernel */ | |
3c9b8860 TG |
356 | mac->ether_addr_octet[0] &= 0xfe; /* clear multicast bit */ |
357 | mac->ether_addr_octet[0] |= 0x02; /* set local assignment bit (IEEE802) */ | |
16b9b87a | 358 | |
16b9b87a TG |
359 | return 0; |
360 | } | |
361 | ||
464cf22f TG |
362 | int link_config_apply(link_config_ctx *ctx, link_config *config, |
363 | struct udev_device *device, const char **name) { | |
a39f92d3 | 364 | bool respect_predictable = false; |
5fde13d7 | 365 | struct ether_addr generated_mac; |
16b9b87a | 366 | struct ether_addr *mac = NULL; |
a39f92d3 SS |
367 | const char *new_name = NULL; |
368 | const char *old_name; | |
369 | unsigned speed; | |
43b3a5ef | 370 | int r, ifindex; |
af6f0d42 | 371 | |
3e137a1b TG |
372 | assert(ctx); |
373 | assert(config); | |
374 | assert(device); | |
375 | assert(name); | |
376 | ||
3e137a1b TG |
377 | old_name = udev_device_get_sysname(device); |
378 | if (!old_name) | |
af6f0d42 TG |
379 | return -EINVAL; |
380 | ||
593022fa | 381 | r = ethtool_set_glinksettings(&ctx->ethtool_fd, old_name, config); |
a39f92d3 SS |
382 | if (r < 0) { |
383 | ||
bb79318e SS |
384 | if (config->port != _NET_DEV_PORT_INVALID) |
385 | log_warning_errno(r, "Could not set port (%s) of %s: %m", port_to_string(config->port), old_name); | |
386 | ||
387 | speed = DIV_ROUND_UP(config->speed, 1000000); | |
a39f92d3 SS |
388 | if (r == -EOPNOTSUPP) |
389 | r = ethtool_set_speed(&ctx->ethtool_fd, old_name, speed, config->duplex); | |
390 | ||
391 | if (r < 0) | |
bb79318e SS |
392 | log_warning_errno(r, "Could not set speed or duplex of %s to %u Mbps (%s): %m", |
393 | old_name, speed, duplex_to_string(config->duplex)); | |
a39f92d3 | 394 | } |
a5010333 | 395 | |
aedca892 | 396 | r = ethtool_set_wol(&ctx->ethtool_fd, old_name, config->wol); |
5fde13d7 | 397 | if (r < 0) |
755bde37 LP |
398 | log_warning_errno(r, "Could not set WakeOnLan of %s to %s: %m", |
399 | old_name, wol_to_string(config->wol)); | |
af6f0d42 | 400 | |
50725d10 SS |
401 | r = ethtool_set_features(&ctx->ethtool_fd, old_name, config->features); |
402 | if (r < 0) | |
403 | log_warning_errno(r, "Could not set offload features of %s: %m", old_name); | |
404 | ||
43b3a5ef TG |
405 | ifindex = udev_device_get_ifindex(device); |
406 | if (ifindex <= 0) { | |
407 | log_warning("Could not find ifindex"); | |
408 | return -ENODEV; | |
409 | } | |
410 | ||
f6194225 | 411 | if (ctx->enable_name_policy && config->name_policy) { |
5fde13d7 | 412 | NamePolicy *policy; |
daeb71a3 | 413 | |
68ba3877 TG |
414 | for (policy = config->name_policy; |
415 | !new_name && *policy != _NAMEPOLICY_INVALID; policy++) { | |
5fde13d7 | 416 | switch (*policy) { |
04b67d49 TG |
417 | case NAMEPOLICY_KERNEL: |
418 | respect_predictable = true; | |
419 | break; | |
e51660ae TG |
420 | case NAMEPOLICY_DATABASE: |
421 | new_name = udev_device_get_property_value(device, "ID_NET_NAME_FROM_DATABASE"); | |
422 | break; | |
5fde13d7 TG |
423 | case NAMEPOLICY_ONBOARD: |
424 | new_name = udev_device_get_property_value(device, "ID_NET_NAME_ONBOARD"); | |
daeb71a3 | 425 | break; |
5fde13d7 TG |
426 | case NAMEPOLICY_SLOT: |
427 | new_name = udev_device_get_property_value(device, "ID_NET_NAME_SLOT"); | |
daeb71a3 | 428 | break; |
5fde13d7 TG |
429 | case NAMEPOLICY_PATH: |
430 | new_name = udev_device_get_property_value(device, "ID_NET_NAME_PATH"); | |
daeb71a3 | 431 | break; |
5fde13d7 TG |
432 | case NAMEPOLICY_MAC: |
433 | new_name = udev_device_get_property_value(device, "ID_NET_NAME_MAC"); | |
daeb71a3 | 434 | break; |
5fde13d7 TG |
435 | default: |
436 | break; | |
437 | } | |
daeb71a3 TG |
438 | } |
439 | } | |
440 | ||
04b67d49 | 441 | if (should_rename(device, respect_predictable)) { |
3c9b8860 | 442 | /* if not set by policy, fall back manually set name */ |
04b67d49 | 443 | if (!new_name) |
04b67d49 TG |
444 | new_name = config->name; |
445 | } else | |
446 | new_name = NULL; | |
447 | ||
5fde13d7 TG |
448 | switch (config->mac_policy) { |
449 | case MACPOLICY_PERSISTENT: | |
92d927f8 | 450 | if (mac_is_random(device)) { |
5fde13d7 | 451 | r = get_mac(device, false, &generated_mac); |
1c25683e TG |
452 | if (r == -ENOENT) { |
453 | log_warning_errno(r, "Could not generate persistent MAC address for %s: %m", old_name); | |
a669ea98 | 454 | break; |
1c25683e | 455 | } else if (r < 0) |
16b9b87a | 456 | return r; |
5fde13d7 | 457 | mac = &generated_mac; |
16b9b87a | 458 | } |
5fde13d7 TG |
459 | break; |
460 | case MACPOLICY_RANDOM: | |
16b9b87a | 461 | if (!mac_is_random(device)) { |
5fde13d7 | 462 | r = get_mac(device, true, &generated_mac); |
1c25683e TG |
463 | if (r == -ENOENT) { |
464 | log_warning_errno(r, "Could not generate random MAC address for %s: %m", old_name); | |
a669ea98 | 465 | break; |
1c25683e | 466 | } else if (r < 0) |
16b9b87a | 467 | return r; |
5fde13d7 | 468 | mac = &generated_mac; |
16b9b87a | 469 | } |
5fde13d7 | 470 | break; |
66d3752e | 471 | case MACPOLICY_NONE: |
5fde13d7 TG |
472 | default: |
473 | mac = config->mac; | |
16b9b87a TG |
474 | } |
475 | ||
dab495dc | 476 | r = rtnl_set_link_properties(&ctx->rtnl, ifindex, config->alias, mac, config->mtu); |
f647962d MS |
477 | if (r < 0) |
478 | return log_warning_errno(r, "Could not set Alias, MACAddress or MTU on %s: %m", old_name); | |
43b3a5ef | 479 | |
d95b83b8 TG |
480 | *name = new_name; |
481 | ||
af6f0d42 TG |
482 | return 0; |
483 | } | |
be32eb9b | 484 | |
847a8a5f TG |
485 | int link_get_driver(link_config_ctx *ctx, struct udev_device *device, char **ret) { |
486 | const char *name; | |
a7f7d1bd | 487 | char *driver = NULL; |
847a8a5f TG |
488 | int r; |
489 | ||
847a8a5f TG |
490 | name = udev_device_get_sysname(device); |
491 | if (!name) | |
492 | return -EINVAL; | |
493 | ||
aedca892 | 494 | r = ethtool_get_driver(&ctx->ethtool_fd, name, &driver); |
847a8a5f TG |
495 | if (r < 0) |
496 | return r; | |
497 | ||
498 | *ret = driver; | |
499 | return 0; | |
500 | } | |
501 | ||
2c5859af | 502 | static const char* const mac_policy_table[_MACPOLICY_MAX] = { |
be32eb9b | 503 | [MACPOLICY_PERSISTENT] = "persistent", |
66d3752e JK |
504 | [MACPOLICY_RANDOM] = "random", |
505 | [MACPOLICY_NONE] = "none" | |
be32eb9b TG |
506 | }; |
507 | ||
508 | DEFINE_STRING_TABLE_LOOKUP(mac_policy, MACPolicy); | |
464cf22f TG |
509 | DEFINE_CONFIG_PARSE_ENUM(config_parse_mac_policy, mac_policy, MACPolicy, |
510 | "Failed to parse MAC address policy"); | |
be32eb9b | 511 | |
2c5859af | 512 | static const char* const name_policy_table[_NAMEPOLICY_MAX] = { |
04b67d49 | 513 | [NAMEPOLICY_KERNEL] = "kernel", |
e51660ae | 514 | [NAMEPOLICY_DATABASE] = "database", |
be32eb9b TG |
515 | [NAMEPOLICY_ONBOARD] = "onboard", |
516 | [NAMEPOLICY_SLOT] = "slot", | |
517 | [NAMEPOLICY_PATH] = "path", | |
518 | [NAMEPOLICY_MAC] = "mac" | |
519 | }; | |
520 | ||
521 | DEFINE_STRING_TABLE_LOOKUP(name_policy, NamePolicy); | |
464cf22f TG |
522 | DEFINE_CONFIG_PARSE_ENUMV(config_parse_name_policy, name_policy, NamePolicy, |
523 | _NAMEPOLICY_INVALID, | |
524 | "Failed to parse interface name policy"); |