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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 2014 Susant Sahani | |
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 <arpa/inet.h> | |
23 | #include <net/if.h> | |
24 | #include <linux/ip.h> | |
25 | #include <linux/if_tunnel.h> | |
26 | #include <linux/ip6_tunnel.h> | |
27 | ||
28 | #include "sd-netlink.h" | |
29 | #include "networkd-netdev-tunnel.h" | |
30 | #include "networkd-link.h" | |
31 | #include "util.h" | |
32 | #include "missing.h" | |
33 | #include "conf-parser.h" | |
34 | ||
35 | #define DEFAULT_TNL_HOP_LIMIT 64 | |
36 | #define IP6_FLOWINFO_FLOWLABEL htonl(0x000FFFFF) | |
37 | ||
38 | static const char* const ip6tnl_mode_table[_NETDEV_IP6_TNL_MODE_MAX] = { | |
39 | [NETDEV_IP6_TNL_MODE_IP6IP6] = "ip6ip6", | |
40 | [NETDEV_IP6_TNL_MODE_IPIP6] = "ipip6", | |
41 | [NETDEV_IP6_TNL_MODE_ANYIP6] = "any", | |
42 | }; | |
43 | ||
44 | DEFINE_STRING_TABLE_LOOKUP(ip6tnl_mode, Ip6TnlMode); | |
45 | DEFINE_CONFIG_PARSE_ENUM(config_parse_ip6tnl_mode, ip6tnl_mode, Ip6TnlMode, "Failed to parse ip6 tunnel Mode"); | |
46 | ||
47 | static int netdev_ipip_fill_message_create(NetDev *netdev, Link *link, sd_netlink_message *m) { | |
48 | Tunnel *t = IPIP(netdev); | |
49 | int r; | |
50 | ||
51 | assert(netdev); | |
52 | assert(link); | |
53 | assert(m); | |
54 | assert(t); | |
55 | assert(t->family == AF_INET); | |
56 | ||
57 | r = sd_netlink_message_append_u32(m, IFLA_IPTUN_LINK, link->ifindex); | |
58 | if (r < 0) | |
59 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_LINK attribute: %m"); | |
60 | ||
61 | r = sd_netlink_message_append_in_addr(m, IFLA_IPTUN_LOCAL, &t->local.in); | |
62 | if (r < 0) | |
63 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_LOCAL attribute: %m"); | |
64 | ||
65 | r = sd_netlink_message_append_in_addr(m, IFLA_IPTUN_REMOTE, &t->remote.in); | |
66 | if (r < 0) | |
67 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_REMOTE attribute: %m"); | |
68 | ||
69 | r = sd_netlink_message_append_u8(m, IFLA_IPTUN_TTL, t->ttl); | |
70 | if (r < 0) | |
71 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_TTL attribute: %m"); | |
72 | ||
73 | r = sd_netlink_message_append_u8(m, IFLA_IPTUN_PMTUDISC, t->pmtudisc); | |
74 | if (r < 0) | |
75 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_PMTUDISC attribute: %m"); | |
76 | ||
77 | return r; | |
78 | } | |
79 | ||
80 | static int netdev_sit_fill_message_create(NetDev *netdev, Link *link, sd_netlink_message *m) { | |
81 | Tunnel *t = SIT(netdev); | |
82 | int r; | |
83 | ||
84 | assert(netdev); | |
85 | assert(link); | |
86 | assert(m); | |
87 | assert(t); | |
88 | assert(t->family == AF_INET); | |
89 | ||
90 | r = sd_netlink_message_append_u32(m, IFLA_IPTUN_LINK, link->ifindex); | |
91 | if (r < 0) | |
92 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_LINK attribute: %m"); | |
93 | ||
94 | r = sd_netlink_message_append_in_addr(m, IFLA_IPTUN_LOCAL, &t->local.in); | |
95 | if (r < 0) | |
96 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_LOCAL attribute: %m"); | |
97 | ||
98 | r = sd_netlink_message_append_in_addr(m, IFLA_IPTUN_REMOTE, &t->remote.in); | |
99 | if (r < 0) | |
100 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_REMOTE attribute: %m"); | |
101 | ||
102 | r = sd_netlink_message_append_u8(m, IFLA_IPTUN_TTL, t->ttl); | |
103 | if (r < 0) | |
104 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_TTL attribute: %m"); | |
105 | ||
106 | r = sd_netlink_message_append_u8(m, IFLA_IPTUN_PMTUDISC, t->pmtudisc); | |
107 | if (r < 0) | |
108 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_PMTUDISC attribute: %m"); | |
109 | ||
110 | return r; | |
111 | } | |
112 | ||
113 | static int netdev_gre_fill_message_create(NetDev *netdev, Link *link, sd_netlink_message *m) { | |
114 | Tunnel *t; | |
115 | int r; | |
116 | ||
117 | assert(netdev); | |
118 | ||
119 | if (netdev->kind == NETDEV_KIND_GRE) | |
120 | t = GRE(netdev); | |
121 | else | |
122 | t = GRETAP(netdev); | |
123 | ||
124 | assert(t); | |
125 | assert(t->family == AF_INET); | |
126 | assert(link); | |
127 | assert(m); | |
128 | ||
129 | r = sd_netlink_message_append_u32(m, IFLA_GRE_LINK, link->ifindex); | |
130 | if (r < 0) | |
131 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_GRE_LINK attribute: %m"); | |
132 | ||
133 | r = sd_netlink_message_append_in_addr(m, IFLA_GRE_LOCAL, &t->local.in); | |
134 | if (r < 0) | |
135 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_GRE_LOCAL attribute: %m"); | |
136 | ||
137 | r = sd_netlink_message_append_in_addr(m, IFLA_GRE_REMOTE, &t->remote.in); | |
138 | if (r < 0) | |
139 | log_netdev_error_errno(netdev, r, "Could not append IFLA_GRE_REMOTE attribute: %m"); | |
140 | ||
141 | r = sd_netlink_message_append_u8(m, IFLA_GRE_TTL, t->ttl); | |
142 | if (r < 0) | |
143 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_GRE_TTL attribute: %m"); | |
144 | ||
145 | r = sd_netlink_message_append_u8(m, IFLA_GRE_TOS, t->tos); | |
146 | if (r < 0) | |
147 | log_netdev_error_errno(netdev, r, "Could not append IFLA_GRE_TOS attribute: %m"); | |
148 | ||
149 | r = sd_netlink_message_append_u8(m, IFLA_GRE_PMTUDISC, t->pmtudisc); | |
150 | if (r < 0) | |
151 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_GRE_PMTUDISC attribute: %m"); | |
152 | ||
153 | return r; | |
154 | } | |
155 | ||
156 | static int netdev_ip6gre_fill_message_create(NetDev *netdev, Link *link, sd_netlink_message *m) { | |
157 | Tunnel *t; | |
158 | int r; | |
159 | ||
160 | assert(netdev); | |
161 | ||
162 | if (netdev->kind == NETDEV_KIND_IP6GRE) | |
163 | t = IP6GRE(netdev); | |
164 | else | |
165 | t = IP6GRETAP(netdev); | |
166 | ||
167 | assert(t); | |
168 | assert(t->family == AF_INET6); | |
169 | assert(link); | |
170 | assert(m); | |
171 | ||
172 | r = sd_netlink_message_append_u32(m, IFLA_GRE_LINK, link->ifindex); | |
173 | if (r < 0) | |
174 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_GRE_LINK attribute: %m"); | |
175 | ||
176 | r = sd_netlink_message_append_in6_addr(m, IFLA_GRE_LOCAL, &t->local.in6); | |
177 | if (r < 0) | |
178 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_GRE_LOCAL attribute: %m"); | |
179 | ||
180 | r = sd_netlink_message_append_in6_addr(m, IFLA_GRE_REMOTE, &t->remote.in6); | |
181 | if (r < 0) | |
182 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_GRE_REMOTE attribute: %m"); | |
183 | ||
184 | r = sd_netlink_message_append_u8(m, IFLA_GRE_TTL, t->ttl); | |
185 | if (r < 0) | |
186 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_GRE_TTL attribute: %m"); | |
187 | ||
188 | if (t->ipv6_flowlabel != _NETDEV_IPV6_FLOWLABEL_INVALID) { | |
189 | r = sd_netlink_message_append_u32(m, IFLA_GRE_FLOWINFO, t->ipv6_flowlabel); | |
190 | if (r < 0) | |
191 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_GRE_FLOWINFO attribute: %m"); | |
192 | } | |
193 | ||
194 | r = sd_netlink_message_append_u32(m, IFLA_GRE_FLAGS, t->flags); | |
195 | if (r < 0) | |
196 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_GRE_FLAGS attribute: %m"); | |
197 | ||
198 | return r; | |
199 | } | |
200 | ||
201 | static int netdev_vti_fill_message_create(NetDev *netdev, Link *link, sd_netlink_message *m) { | |
202 | Tunnel *t = VTI(netdev); | |
203 | int r; | |
204 | ||
205 | assert(netdev); | |
206 | assert(link); | |
207 | assert(m); | |
208 | assert(t); | |
209 | assert(t->family == AF_INET); | |
210 | ||
211 | r = sd_netlink_message_append_u32(m, IFLA_VTI_LINK, link->ifindex); | |
212 | if (r < 0) | |
213 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_LINK attribute: %m"); | |
214 | ||
215 | r = sd_netlink_message_append_in_addr(m, IFLA_VTI_LOCAL, &t->local.in); | |
216 | if (r < 0) | |
217 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_LOCAL attribute: %m"); | |
218 | ||
219 | r = sd_netlink_message_append_in_addr(m, IFLA_VTI_REMOTE, &t->remote.in); | |
220 | if (r < 0) | |
221 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_REMOTE attribute: %m"); | |
222 | ||
223 | return r; | |
224 | } | |
225 | ||
226 | static int netdev_vti6_fill_message_create(NetDev *netdev, Link *link, sd_netlink_message *m) { | |
227 | Tunnel *t = VTI6(netdev); | |
228 | int r; | |
229 | ||
230 | assert(netdev); | |
231 | assert(link); | |
232 | assert(m); | |
233 | assert(t); | |
234 | assert(t->family == AF_INET6); | |
235 | ||
236 | r = sd_netlink_message_append_u32(m, IFLA_VTI_LINK, link->ifindex); | |
237 | if (r < 0) | |
238 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_LINK attribute: %m"); | |
239 | ||
240 | r = sd_netlink_message_append_in6_addr(m, IFLA_VTI_LOCAL, &t->local.in6); | |
241 | if (r < 0) | |
242 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_LOCAL attribute: %m"); | |
243 | ||
244 | r = sd_netlink_message_append_in6_addr(m, IFLA_VTI_REMOTE, &t->remote.in6); | |
245 | if (r < 0) | |
246 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_REMOTE attribute: %m"); | |
247 | ||
248 | return r; | |
249 | } | |
250 | ||
251 | static int netdev_ip6tnl_fill_message_create(NetDev *netdev, Link *link, sd_netlink_message *m) { | |
252 | Tunnel *t = IP6TNL(netdev); | |
253 | uint8_t proto; | |
254 | int r; | |
255 | ||
256 | assert(netdev); | |
257 | assert(link); | |
258 | assert(m); | |
259 | assert(t); | |
260 | assert(t->family == AF_INET6); | |
261 | ||
262 | r = sd_netlink_message_append_u32(m, IFLA_IPTUN_LINK, link->ifindex); | |
263 | if (r < 0) | |
264 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_LINK attribute: %m"); | |
265 | ||
266 | r = sd_netlink_message_append_in6_addr(m, IFLA_IPTUN_LOCAL, &t->local.in6); | |
267 | if (r < 0) | |
268 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_LOCAL attribute: %m"); | |
269 | ||
270 | r = sd_netlink_message_append_in6_addr(m, IFLA_IPTUN_REMOTE, &t->remote.in6); | |
271 | if (r < 0) | |
272 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_REMOTE attribute: %m"); | |
273 | ||
274 | r = sd_netlink_message_append_u8(m, IFLA_IPTUN_TTL, t->ttl); | |
275 | if (r < 0) | |
276 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_TTL attribute: %m"); | |
277 | ||
278 | if (t->ipv6_flowlabel != _NETDEV_IPV6_FLOWLABEL_INVALID) { | |
279 | r = sd_netlink_message_append_u32(m, IFLA_IPTUN_FLOWINFO, t->ipv6_flowlabel); | |
280 | if (r < 0) | |
281 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_FLOWINFO attribute: %m"); | |
282 | } | |
283 | ||
284 | if (t->copy_dscp) | |
285 | t->flags |= IP6_TNL_F_RCV_DSCP_COPY; | |
286 | ||
287 | r = sd_netlink_message_append_u32(m, IFLA_IPTUN_FLAGS, t->flags); | |
288 | if (r < 0) | |
289 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_FLAGS attribute: %m"); | |
290 | ||
291 | switch (t->ip6tnl_mode) { | |
292 | case NETDEV_IP6_TNL_MODE_IP6IP6: | |
293 | proto = IPPROTO_IPV6; | |
294 | break; | |
295 | case NETDEV_IP6_TNL_MODE_IPIP6: | |
296 | proto = IPPROTO_IPIP; | |
297 | break; | |
298 | case NETDEV_IP6_TNL_MODE_ANYIP6: | |
299 | default: | |
300 | proto = 0; | |
301 | break; | |
302 | } | |
303 | ||
304 | r = sd_netlink_message_append_u8(m, IFLA_IPTUN_PROTO, proto); | |
305 | if (r < 0) | |
306 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_MODE attribute: %m"); | |
307 | ||
308 | return r; | |
309 | } | |
310 | ||
311 | static int netdev_tunnel_verify(NetDev *netdev, const char *filename) { | |
312 | Tunnel *t = NULL; | |
313 | ||
314 | assert(netdev); | |
315 | assert(filename); | |
316 | ||
317 | switch (netdev->kind) { | |
318 | case NETDEV_KIND_IPIP: | |
319 | t = IPIP(netdev); | |
320 | break; | |
321 | case NETDEV_KIND_SIT: | |
322 | t = SIT(netdev); | |
323 | break; | |
324 | case NETDEV_KIND_GRE: | |
325 | t = GRE(netdev); | |
326 | break; | |
327 | case NETDEV_KIND_GRETAP: | |
328 | t = GRETAP(netdev); | |
329 | break; | |
330 | case NETDEV_KIND_IP6GRE: | |
331 | t = IP6GRE(netdev); | |
332 | break; | |
333 | case NETDEV_KIND_IP6GRETAP: | |
334 | t = IP6GRETAP(netdev); | |
335 | break; | |
336 | case NETDEV_KIND_VTI: | |
337 | t = VTI(netdev); | |
338 | break; | |
339 | case NETDEV_KIND_VTI6: | |
340 | t = VTI6(netdev); | |
341 | break; | |
342 | case NETDEV_KIND_IP6TNL: | |
343 | t = IP6TNL(netdev); | |
344 | break; | |
345 | default: | |
346 | assert_not_reached("Invalid tunnel kind"); | |
347 | } | |
348 | ||
349 | assert(t); | |
350 | ||
351 | if (t->remote.in.s_addr == INADDR_ANY) { | |
352 | log_warning("Tunnel without remote address configured in %s. Ignoring", filename); | |
353 | return -EINVAL; | |
354 | } | |
355 | ||
356 | if (t->family != AF_INET && t->family != AF_INET6) { | |
357 | log_warning("Tunnel with invalid address family configured in %s. Ignoring", filename); | |
358 | return -EINVAL; | |
359 | } | |
360 | ||
361 | if (netdev->kind == NETDEV_KIND_IP6TNL) { | |
362 | if (t->ip6tnl_mode == _NETDEV_IP6_TNL_MODE_INVALID) { | |
363 | log_warning("IP6 Tunnel without mode configured in %s. Ignoring", filename); | |
364 | return -EINVAL; | |
365 | } | |
366 | } | |
367 | ||
368 | return 0; | |
369 | } | |
370 | ||
371 | int config_parse_tunnel_address(const char *unit, | |
372 | const char *filename, | |
373 | unsigned line, | |
374 | const char *section, | |
375 | unsigned section_line, | |
376 | const char *lvalue, | |
377 | int ltype, | |
378 | const char *rvalue, | |
379 | void *data, | |
380 | void *userdata) { | |
381 | Tunnel *t = userdata; | |
382 | union in_addr_union *addr = data, buffer; | |
383 | int r, f; | |
384 | ||
385 | assert(filename); | |
386 | assert(lvalue); | |
387 | assert(rvalue); | |
388 | assert(data); | |
389 | ||
390 | r = in_addr_from_string_auto(rvalue, &f, &buffer); | |
391 | if (r < 0) { | |
392 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, "Tunnel address is invalid, ignoring assignment: %s", rvalue); | |
393 | return 0; | |
394 | } | |
395 | ||
396 | if (t->family != AF_UNSPEC && t->family != f) { | |
397 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, "Tunnel addresses incompatible, ignoring assignment: %s", rvalue); | |
398 | return 0; | |
399 | } | |
400 | ||
401 | t->family = f; | |
402 | *addr = buffer; | |
403 | ||
404 | return 0; | |
405 | } | |
406 | ||
407 | static const char* const ipv6_flowlabel_table[_NETDEV_IPV6_FLOWLABEL_MAX] = { | |
408 | [NETDEV_IPV6_FLOWLABEL_INHERIT] = "inherit", | |
409 | }; | |
410 | ||
411 | DEFINE_STRING_TABLE_LOOKUP(ipv6_flowlabel, IPv6FlowLabel); | |
412 | ||
413 | int config_parse_ipv6_flowlabel(const char* unit, | |
414 | const char *filename, | |
415 | unsigned line, | |
416 | const char *section, | |
417 | unsigned section_line, | |
418 | const char *lvalue, | |
419 | int ltype, | |
420 | const char *rvalue, | |
421 | void *data, | |
422 | void *userdata) { | |
423 | IPv6FlowLabel *ipv6_flowlabel = data; | |
424 | Tunnel *t = userdata; | |
425 | IPv6FlowLabel s; | |
426 | int k = 0; | |
427 | int r; | |
428 | ||
429 | assert(filename); | |
430 | assert(lvalue); | |
431 | assert(rvalue); | |
432 | assert(ipv6_flowlabel); | |
433 | ||
434 | s = ipv6_flowlabel_from_string(rvalue); | |
435 | if (s != _NETDEV_IPV6_FLOWLABEL_INVALID) { | |
436 | *ipv6_flowlabel = IP6_FLOWINFO_FLOWLABEL; | |
437 | t->flags |= IP6_TNL_F_USE_ORIG_FLOWLABEL; | |
438 | } else { | |
439 | r = config_parse_unsigned(unit, filename, line, section, section_line, lvalue, ltype, rvalue, &k, userdata); | |
440 | if (r >= 0) { | |
441 | if (k > 0xFFFFF) | |
442 | log_syntax(unit, LOG_ERR, filename, line, k, "Failed to parse IPv6 flowlabel option, ignoring: %s", rvalue); | |
443 | else { | |
444 | *ipv6_flowlabel = htonl(k) & IP6_FLOWINFO_FLOWLABEL; | |
445 | t->flags &= ~IP6_TNL_F_USE_ORIG_FLOWLABEL; | |
446 | } | |
447 | } | |
448 | } | |
449 | ||
450 | return 0; | |
451 | } | |
452 | ||
453 | static void ipip_init(NetDev *n) { | |
454 | Tunnel *t = IPIP(n); | |
455 | ||
456 | assert(n); | |
457 | assert(t); | |
458 | ||
459 | t->pmtudisc = true; | |
460 | } | |
461 | ||
462 | static void sit_init(NetDev *n) { | |
463 | Tunnel *t = SIT(n); | |
464 | ||
465 | assert(n); | |
466 | assert(t); | |
467 | ||
468 | t->pmtudisc = true; | |
469 | } | |
470 | ||
471 | static void vti_init(NetDev *n) { | |
472 | Tunnel *t; | |
473 | ||
474 | assert(n); | |
475 | ||
476 | if (n->kind == NETDEV_KIND_VTI) | |
477 | t = VTI(n); | |
478 | else | |
479 | t = VTI6(n); | |
480 | ||
481 | assert(t); | |
482 | ||
483 | t->pmtudisc = true; | |
484 | } | |
485 | ||
486 | static void gre_init(NetDev *n) { | |
487 | Tunnel *t; | |
488 | ||
489 | assert(n); | |
490 | ||
491 | if (n->kind == NETDEV_KIND_GRE) | |
492 | t = GRE(n); | |
493 | else | |
494 | t = GRETAP(n); | |
495 | ||
496 | assert(t); | |
497 | ||
498 | t->pmtudisc = true; | |
499 | } | |
500 | ||
501 | static void ip6gre_init(NetDev *n) { | |
502 | Tunnel *t; | |
503 | ||
504 | assert(n); | |
505 | ||
506 | if (n->kind == NETDEV_KIND_IP6GRE) | |
507 | t = IP6GRE(n); | |
508 | else | |
509 | t = IP6GRETAP(n); | |
510 | ||
511 | assert(t); | |
512 | ||
513 | t->ttl = DEFAULT_TNL_HOP_LIMIT; | |
514 | } | |
515 | ||
516 | static void ip6tnl_init(NetDev *n) { | |
517 | Tunnel *t = IP6TNL(n); | |
518 | ||
519 | assert(n); | |
520 | assert(t); | |
521 | ||
522 | t->ttl = DEFAULT_TNL_HOP_LIMIT; | |
523 | t->encap_limit = IPV6_DEFAULT_TNL_ENCAP_LIMIT; | |
524 | t->ip6tnl_mode = _NETDEV_IP6_TNL_MODE_INVALID; | |
525 | t->ipv6_flowlabel = _NETDEV_IPV6_FLOWLABEL_INVALID; | |
526 | } | |
527 | ||
528 | const NetDevVTable ipip_vtable = { | |
529 | .object_size = sizeof(Tunnel), | |
530 | .init = ipip_init, | |
531 | .sections = "Match\0NetDev\0Tunnel\0", | |
532 | .fill_message_create = netdev_ipip_fill_message_create, | |
533 | .create_type = NETDEV_CREATE_STACKED, | |
534 | .config_verify = netdev_tunnel_verify, | |
535 | }; | |
536 | ||
537 | const NetDevVTable sit_vtable = { | |
538 | .object_size = sizeof(Tunnel), | |
539 | .init = sit_init, | |
540 | .sections = "Match\0NetDev\0Tunnel\0", | |
541 | .fill_message_create = netdev_sit_fill_message_create, | |
542 | .create_type = NETDEV_CREATE_STACKED, | |
543 | .config_verify = netdev_tunnel_verify, | |
544 | }; | |
545 | ||
546 | const NetDevVTable vti_vtable = { | |
547 | .object_size = sizeof(Tunnel), | |
548 | .init = vti_init, | |
549 | .sections = "Match\0NetDev\0Tunnel\0", | |
550 | .fill_message_create = netdev_vti_fill_message_create, | |
551 | .create_type = NETDEV_CREATE_STACKED, | |
552 | .config_verify = netdev_tunnel_verify, | |
553 | }; | |
554 | ||
555 | const NetDevVTable vti6_vtable = { | |
556 | .object_size = sizeof(Tunnel), | |
557 | .init = vti_init, | |
558 | .sections = "Match\0NetDev\0Tunnel\0", | |
559 | .fill_message_create = netdev_vti6_fill_message_create, | |
560 | .create_type = NETDEV_CREATE_STACKED, | |
561 | .config_verify = netdev_tunnel_verify, | |
562 | }; | |
563 | ||
564 | const NetDevVTable gre_vtable = { | |
565 | .object_size = sizeof(Tunnel), | |
566 | .init = gre_init, | |
567 | .sections = "Match\0NetDev\0Tunnel\0", | |
568 | .fill_message_create = netdev_gre_fill_message_create, | |
569 | .create_type = NETDEV_CREATE_STACKED, | |
570 | .config_verify = netdev_tunnel_verify, | |
571 | }; | |
572 | ||
573 | const NetDevVTable gretap_vtable = { | |
574 | .object_size = sizeof(Tunnel), | |
575 | .init = gre_init, | |
576 | .sections = "Match\0NetDev\0Tunnel\0", | |
577 | .fill_message_create = netdev_gre_fill_message_create, | |
578 | .create_type = NETDEV_CREATE_STACKED, | |
579 | .config_verify = netdev_tunnel_verify, | |
580 | }; | |
581 | ||
582 | const NetDevVTable ip6gre_vtable = { | |
583 | .object_size = sizeof(Tunnel), | |
584 | .init = ip6gre_init, | |
585 | .sections = "Match\0NetDev\0Tunnel\0", | |
586 | .fill_message_create = netdev_ip6gre_fill_message_create, | |
587 | .create_type = NETDEV_CREATE_STACKED, | |
588 | .config_verify = netdev_tunnel_verify, | |
589 | }; | |
590 | ||
591 | const NetDevVTable ip6gretap_vtable = { | |
592 | .object_size = sizeof(Tunnel), | |
593 | .init = ip6gre_init, | |
594 | .sections = "Match\0NetDev\0Tunnel\0", | |
595 | .fill_message_create = netdev_ip6gre_fill_message_create, | |
596 | .create_type = NETDEV_CREATE_STACKED, | |
597 | .config_verify = netdev_tunnel_verify, | |
598 | }; | |
599 | ||
600 | const NetDevVTable ip6tnl_vtable = { | |
601 | .object_size = sizeof(Tunnel), | |
602 | .init = ip6tnl_init, | |
603 | .sections = "Match\0NetDev\0Tunnel\0", | |
604 | .fill_message_create = netdev_ip6tnl_fill_message_create, | |
605 | .create_type = NETDEV_CREATE_STACKED, | |
606 | .config_verify = netdev_tunnel_verify, | |
607 | }; |