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7951dea2 SS |
1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
3 | /*** | |
4 | This file is part of systemd. | |
5 | ||
855ee1a1 | 6 | Copyright 2014 Susant Sahani |
7951dea2 SS |
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 | ||
7951dea2 SS |
22 | #include <arpa/inet.h> |
23 | #include <net/if.h> | |
24 | #include <linux/ip.h> | |
25 | #include <linux/if_tunnel.h> | |
855ee1a1 | 26 | #include <linux/ip6_tunnel.h> |
7951dea2 | 27 | |
1c4baffc | 28 | #include "sd-netlink.h" |
3be1d7e0 | 29 | #include "networkd-netdev-tunnel.h" |
0b1831c2 | 30 | #include "networkd-link.h" |
7951dea2 | 31 | #include "util.h" |
81577dc2 | 32 | #include "missing.h" |
6ef892fc | 33 | #include "conf-parser.h" |
7951dea2 | 34 | |
855ee1a1 | 35 | #define DEFAULT_TNL_HOP_LIMIT 64 |
407af9dd | 36 | #define IP6_FLOWINFO_FLOWLABEL htonl(0x000FFFFF) |
855ee1a1 SS |
37 | |
38 | static const char* const ip6tnl_mode_table[_NETDEV_IP6_TNL_MODE_MAX] = { | |
39 | [NETDEV_IP6_TNL_MODE_IP6IP6] = "ip6ip6", | |
73b23bea | 40 | [NETDEV_IP6_TNL_MODE_IPIP6] = "ipip6", |
855ee1a1 SS |
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 | ||
1c4baffc | 47 | static int netdev_ipip_fill_message_create(NetDev *netdev, Link *link, sd_netlink_message *m) { |
aa9f1140 | 48 | Tunnel *t = IPIP(netdev); |
7951dea2 SS |
49 | int r; |
50 | ||
3be1d7e0 | 51 | assert(netdev); |
7951dea2 | 52 | assert(link); |
7951dea2 | 53 | assert(m); |
aa9f1140 TG |
54 | assert(t); |
55 | assert(t->family == AF_INET); | |
7951dea2 | 56 | |
1c4baffc | 57 | r = sd_netlink_message_append_u32(m, IFLA_IPTUN_LINK, link->ifindex); |
5289f3ff SS |
58 | if (r < 0) |
59 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_LINK attribute: %m"); | |
7951dea2 | 60 | |
1c4baffc | 61 | r = sd_netlink_message_append_in_addr(m, IFLA_IPTUN_LOCAL, &t->local.in); |
5289f3ff SS |
62 | if (r < 0) |
63 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_LOCAL attribute: %m"); | |
7951dea2 | 64 | |
1c4baffc | 65 | r = sd_netlink_message_append_in_addr(m, IFLA_IPTUN_REMOTE, &t->remote.in); |
5289f3ff SS |
66 | if (r < 0) |
67 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_REMOTE attribute: %m"); | |
7951dea2 | 68 | |
1c4baffc | 69 | r = sd_netlink_message_append_u8(m, IFLA_IPTUN_TTL, t->ttl); |
5289f3ff SS |
70 | if (r < 0) |
71 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_TTL attribute: %m"); | |
9ae70211 | 72 | |
1c4baffc | 73 | r = sd_netlink_message_append_u8(m, IFLA_IPTUN_PMTUDISC, t->pmtudisc); |
5289f3ff SS |
74 | if (r < 0) |
75 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_PMTUDISC attribute: %m"); | |
9243e967 | 76 | |
7951dea2 SS |
77 | return r; |
78 | } | |
79 | ||
1c4baffc | 80 | static int netdev_sit_fill_message_create(NetDev *netdev, Link *link, sd_netlink_message *m) { |
aa9f1140 | 81 | Tunnel *t = SIT(netdev); |
abf446af SS |
82 | int r; |
83 | ||
3be1d7e0 | 84 | assert(netdev); |
abf446af | 85 | assert(link); |
abf446af | 86 | assert(m); |
aa9f1140 TG |
87 | assert(t); |
88 | assert(t->family == AF_INET); | |
abf446af | 89 | |
1c4baffc | 90 | r = sd_netlink_message_append_u32(m, IFLA_IPTUN_LINK, link->ifindex); |
5289f3ff SS |
91 | if (r < 0) |
92 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_LINK attribute: %m"); | |
abf446af | 93 | |
1c4baffc | 94 | r = sd_netlink_message_append_in_addr(m, IFLA_IPTUN_LOCAL, &t->local.in); |
5289f3ff SS |
95 | if (r < 0) |
96 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_LOCAL attribute: %m"); | |
abf446af | 97 | |
1c4baffc | 98 | r = sd_netlink_message_append_in_addr(m, IFLA_IPTUN_REMOTE, &t->remote.in); |
5289f3ff SS |
99 | if (r < 0) |
100 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_REMOTE attribute: %m"); | |
abf446af | 101 | |
1c4baffc | 102 | r = sd_netlink_message_append_u8(m, IFLA_IPTUN_TTL, t->ttl); |
5289f3ff SS |
103 | if (r < 0) |
104 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_TTL attribute: %m"); | |
a9f434cf | 105 | |
1c4baffc | 106 | r = sd_netlink_message_append_u8(m, IFLA_IPTUN_PMTUDISC, t->pmtudisc); |
5289f3ff SS |
107 | if (r < 0) |
108 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_PMTUDISC attribute: %m"); | |
436b910f | 109 | |
abf446af SS |
110 | return r; |
111 | } | |
112 | ||
1c4baffc | 113 | static int netdev_gre_fill_message_create(NetDev *netdev, Link *link, sd_netlink_message *m) { |
1af2536a | 114 | Tunnel *t; |
8bb088c5 SS |
115 | int r; |
116 | ||
3be1d7e0 | 117 | assert(netdev); |
1af2536a SS |
118 | |
119 | if (netdev->kind == NETDEV_KIND_GRE) | |
5289f3ff | 120 | t = GRE(netdev); |
1af2536a | 121 | else |
5289f3ff | 122 | t = GRETAP(netdev); |
1af2536a | 123 | |
aa9f1140 TG |
124 | assert(t); |
125 | assert(t->family == AF_INET); | |
1af2536a SS |
126 | assert(link); |
127 | assert(m); | |
8bb088c5 | 128 | |
1c4baffc | 129 | r = sd_netlink_message_append_u32(m, IFLA_GRE_LINK, link->ifindex); |
5289f3ff SS |
130 | if (r < 0) |
131 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_GRE_LINK attribute: %m"); | |
8bb088c5 | 132 | |
1c4baffc | 133 | r = sd_netlink_message_append_in_addr(m, IFLA_GRE_LOCAL, &t->local.in); |
5289f3ff SS |
134 | if (r < 0) |
135 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_GRE_LOCAL attribute: %m"); | |
8bb088c5 | 136 | |
1c4baffc | 137 | r = sd_netlink_message_append_in_addr(m, IFLA_GRE_REMOTE, &t->remote.in); |
5289f3ff SS |
138 | if (r < 0) |
139 | log_netdev_error_errno(netdev, r, "Could not append IFLA_GRE_REMOTE attribute: %m"); | |
8bb088c5 | 140 | |
1c4baffc | 141 | r = sd_netlink_message_append_u8(m, IFLA_GRE_TTL, t->ttl); |
5289f3ff SS |
142 | if (r < 0) |
143 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_GRE_TTL attribute: %m"); | |
8bb088c5 | 144 | |
1c4baffc | 145 | r = sd_netlink_message_append_u8(m, IFLA_GRE_TOS, t->tos); |
5289f3ff SS |
146 | if (r < 0) |
147 | log_netdev_error_errno(netdev, r, "Could not append IFLA_GRE_TOS attribute: %m"); | |
8bb088c5 | 148 | |
1c4baffc | 149 | r = sd_netlink_message_append_u8(m, IFLA_GRE_PMTUDISC, t->pmtudisc); |
5289f3ff SS |
150 | if (r < 0) |
151 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_GRE_PMTUDISC attribute: %m"); | |
9243e967 | 152 | |
8bb088c5 SS |
153 | return r; |
154 | } | |
155 | ||
1c4baffc | 156 | static int netdev_ip6gre_fill_message_create(NetDev *netdev, Link *link, sd_netlink_message *m) { |
b16492f8 SS |
157 | Tunnel *t; |
158 | int r; | |
159 | ||
160 | assert(netdev); | |
161 | ||
162 | if (netdev->kind == NETDEV_KIND_IP6GRE) | |
5289f3ff | 163 | t = IP6GRE(netdev); |
b16492f8 | 164 | else |
5289f3ff | 165 | t = IP6GRETAP(netdev); |
b16492f8 SS |
166 | |
167 | assert(t); | |
168 | assert(t->family == AF_INET6); | |
169 | assert(link); | |
170 | assert(m); | |
171 | ||
1c4baffc | 172 | r = sd_netlink_message_append_u32(m, IFLA_GRE_LINK, link->ifindex); |
5289f3ff SS |
173 | if (r < 0) |
174 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_GRE_LINK attribute: %m"); | |
b16492f8 | 175 | |
1c4baffc | 176 | r = sd_netlink_message_append_in6_addr(m, IFLA_GRE_LOCAL, &t->local.in6); |
5289f3ff SS |
177 | if (r < 0) |
178 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_GRE_LOCAL attribute: %m"); | |
b16492f8 | 179 | |
1c4baffc | 180 | r = sd_netlink_message_append_in6_addr(m, IFLA_GRE_REMOTE, &t->remote.in6); |
5289f3ff SS |
181 | if (r < 0) |
182 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_GRE_REMOTE attribute: %m"); | |
b16492f8 | 183 | |
1c4baffc | 184 | r = sd_netlink_message_append_u8(m, IFLA_GRE_TTL, t->ttl); |
5289f3ff SS |
185 | if (r < 0) |
186 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_GRE_TTL attribute: %m"); | |
b16492f8 SS |
187 | |
188 | return r; | |
189 | } | |
190 | ||
1c4baffc | 191 | static int netdev_vti_fill_message_create(NetDev *netdev, Link *link, sd_netlink_message *m) { |
aa9f1140 | 192 | Tunnel *t = VTI(netdev); |
a613382b SS |
193 | int r; |
194 | ||
3be1d7e0 | 195 | assert(netdev); |
a613382b | 196 | assert(link); |
a613382b | 197 | assert(m); |
aa9f1140 TG |
198 | assert(t); |
199 | assert(t->family == AF_INET); | |
a613382b | 200 | |
1c4baffc | 201 | r = sd_netlink_message_append_u32(m, IFLA_VTI_LINK, link->ifindex); |
5289f3ff SS |
202 | if (r < 0) |
203 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_LINK attribute: %m"); | |
a613382b | 204 | |
1c4baffc | 205 | r = sd_netlink_message_append_in_addr(m, IFLA_VTI_LOCAL, &t->local.in); |
5289f3ff SS |
206 | if (r < 0) |
207 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_LOCAL attribute: %m"); | |
a613382b | 208 | |
1c4baffc | 209 | r = sd_netlink_message_append_in_addr(m, IFLA_VTI_REMOTE, &t->remote.in); |
5289f3ff SS |
210 | if (r < 0) |
211 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_REMOTE attribute: %m"); | |
a613382b | 212 | |
a613382b SS |
213 | return r; |
214 | } | |
8bb088c5 | 215 | |
1c4baffc | 216 | static int netdev_vti6_fill_message_create(NetDev *netdev, Link *link, sd_netlink_message *m) { |
9011ce77 SS |
217 | Tunnel *t = VTI6(netdev); |
218 | int r; | |
219 | ||
220 | assert(netdev); | |
221 | assert(link); | |
222 | assert(m); | |
223 | assert(t); | |
224 | assert(t->family == AF_INET6); | |
225 | ||
1c4baffc | 226 | r = sd_netlink_message_append_u32(m, IFLA_VTI_LINK, link->ifindex); |
9011ce77 SS |
227 | if (r < 0) |
228 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_LINK attribute: %m"); | |
229 | ||
1c4baffc | 230 | r = sd_netlink_message_append_in6_addr(m, IFLA_VTI_LOCAL, &t->local.in6); |
9011ce77 SS |
231 | if (r < 0) |
232 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_LOCAL attribute: %m"); | |
233 | ||
1c4baffc | 234 | r = sd_netlink_message_append_in6_addr(m, IFLA_VTI_REMOTE, &t->remote.in6); |
9011ce77 SS |
235 | if (r < 0) |
236 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_REMOTE attribute: %m"); | |
237 | ||
238 | return r; | |
239 | } | |
240 | ||
1c4baffc | 241 | static int netdev_ip6tnl_fill_message_create(NetDev *netdev, Link *link, sd_netlink_message *m) { |
855ee1a1 SS |
242 | Tunnel *t = IP6TNL(netdev); |
243 | uint8_t proto; | |
244 | int r; | |
245 | ||
246 | assert(netdev); | |
247 | assert(link); | |
248 | assert(m); | |
249 | assert(t); | |
250 | assert(t->family == AF_INET6); | |
251 | ||
1c4baffc | 252 | r = sd_netlink_message_append_u32(m, IFLA_IPTUN_LINK, link->ifindex); |
5289f3ff SS |
253 | if (r < 0) |
254 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_LINK attribute: %m"); | |
855ee1a1 | 255 | |
1c4baffc | 256 | r = sd_netlink_message_append_in6_addr(m, IFLA_IPTUN_LOCAL, &t->local.in6); |
5289f3ff SS |
257 | if (r < 0) |
258 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_LOCAL attribute: %m"); | |
855ee1a1 | 259 | |
1c4baffc | 260 | r = sd_netlink_message_append_in6_addr(m, IFLA_IPTUN_REMOTE, &t->remote.in6); |
5289f3ff SS |
261 | if (r < 0) |
262 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_REMOTE attribute: %m"); | |
855ee1a1 | 263 | |
1c4baffc | 264 | r = sd_netlink_message_append_u8(m, IFLA_IPTUN_TTL, t->ttl); |
5289f3ff SS |
265 | if (r < 0) |
266 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_TTL attribute: %m"); | |
855ee1a1 | 267 | |
407af9dd SS |
268 | if (t->ipv6_flowlabel != _NETDEV_IPV6_FLOWLABEL_INVALID) { |
269 | r = sd_netlink_message_append_u32(m, IFLA_IPTUN_FLOWINFO, t->ipv6_flowlabel); | |
270 | if (r < 0) | |
271 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_FLOWINFO attribute: %m"); | |
272 | } | |
273 | ||
274 | r = sd_netlink_message_append_u32(m, IFLA_IPTUN_FLAGS, t->flags); | |
275 | if (r < 0) | |
276 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_FLAGS attribute: %m"); | |
277 | ||
855ee1a1 SS |
278 | switch (t->ip6tnl_mode) { |
279 | case NETDEV_IP6_TNL_MODE_IP6IP6: | |
280 | proto = IPPROTO_IPV6; | |
281 | break; | |
282 | case NETDEV_IP6_TNL_MODE_IPIP6: | |
283 | proto = IPPROTO_IPIP; | |
284 | break; | |
285 | case NETDEV_IP6_TNL_MODE_ANYIP6: | |
286 | default: | |
287 | proto = 0; | |
288 | break; | |
289 | } | |
290 | ||
1c4baffc | 291 | r = sd_netlink_message_append_u8(m, IFLA_IPTUN_PROTO, proto); |
5289f3ff SS |
292 | if (r < 0) |
293 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_MODE attribute: %m"); | |
855ee1a1 SS |
294 | |
295 | return r; | |
296 | } | |
297 | ||
3be1d7e0 | 298 | static int netdev_tunnel_verify(NetDev *netdev, const char *filename) { |
aa9f1140 TG |
299 | Tunnel *t = NULL; |
300 | ||
7951dea2 | 301 | assert(netdev); |
3be1d7e0 | 302 | assert(filename); |
7951dea2 | 303 | |
aa9f1140 TG |
304 | switch (netdev->kind) { |
305 | case NETDEV_KIND_IPIP: | |
306 | t = IPIP(netdev); | |
307 | break; | |
308 | case NETDEV_KIND_SIT: | |
309 | t = SIT(netdev); | |
310 | break; | |
311 | case NETDEV_KIND_GRE: | |
312 | t = GRE(netdev); | |
313 | break; | |
1af2536a SS |
314 | case NETDEV_KIND_GRETAP: |
315 | t = GRETAP(netdev); | |
316 | break; | |
b16492f8 SS |
317 | case NETDEV_KIND_IP6GRE: |
318 | t = IP6GRE(netdev); | |
319 | break; | |
320 | case NETDEV_KIND_IP6GRETAP: | |
321 | t = IP6GRETAP(netdev); | |
322 | break; | |
aa9f1140 TG |
323 | case NETDEV_KIND_VTI: |
324 | t = VTI(netdev); | |
325 | break; | |
9011ce77 SS |
326 | case NETDEV_KIND_VTI6: |
327 | t = VTI6(netdev); | |
328 | break; | |
855ee1a1 SS |
329 | case NETDEV_KIND_IP6TNL: |
330 | t = IP6TNL(netdev); | |
331 | break; | |
aa9f1140 TG |
332 | default: |
333 | assert_not_reached("Invalid tunnel kind"); | |
334 | } | |
335 | ||
336 | assert(t); | |
337 | ||
aa9f1140 | 338 | if (t->remote.in.s_addr == INADDR_ANY) { |
5289f3ff SS |
339 | log_warning("Tunnel without remote address configured in %s. Ignoring", filename); |
340 | return -EINVAL; | |
7951dea2 SS |
341 | } |
342 | ||
855ee1a1 | 343 | if (t->family != AF_INET && t->family != AF_INET6) { |
5289f3ff SS |
344 | log_warning("Tunnel with invalid address family configured in %s. Ignoring", filename); |
345 | return -EINVAL; | |
7951dea2 SS |
346 | } |
347 | ||
855ee1a1 SS |
348 | if (netdev->kind == NETDEV_KIND_IP6TNL) { |
349 | if (t->ip6tnl_mode == _NETDEV_IP6_TNL_MODE_INVALID) { | |
350 | log_warning("IP6 Tunnel without mode configured in %s. Ignoring", filename); | |
351 | return -EINVAL; | |
352 | } | |
353 | } | |
354 | ||
7951dea2 SS |
355 | return 0; |
356 | } | |
6ef892fc TG |
357 | |
358 | int config_parse_tunnel_address(const char *unit, | |
359 | const char *filename, | |
360 | unsigned line, | |
361 | const char *section, | |
362 | unsigned section_line, | |
363 | const char *lvalue, | |
364 | int ltype, | |
365 | const char *rvalue, | |
366 | void *data, | |
367 | void *userdata) { | |
aa9f1140 | 368 | Tunnel *t = userdata; |
44e7b949 LP |
369 | union in_addr_union *addr = data, buffer; |
370 | int r, f; | |
6ef892fc TG |
371 | |
372 | assert(filename); | |
373 | assert(lvalue); | |
374 | assert(rvalue); | |
375 | assert(data); | |
376 | ||
44e7b949 | 377 | r = in_addr_from_string_auto(rvalue, &f, &buffer); |
6ef892fc | 378 | if (r < 0) { |
44e7b949 | 379 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, "Tunnel address is invalid, ignoring assignment: %s", rvalue); |
6ef892fc TG |
380 | return 0; |
381 | } | |
382 | ||
44e7b949 LP |
383 | if (t->family != AF_UNSPEC && t->family != f) { |
384 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, "Tunnel addresses incompatible, ignoring assignment: %s", rvalue); | |
385 | return 0; | |
386 | } | |
387 | ||
388 | t->family = f; | |
389 | *addr = buffer; | |
390 | ||
6ef892fc TG |
391 | return 0; |
392 | } | |
3be1d7e0 | 393 | |
407af9dd SS |
394 | static const char* const ipv6_flowlabel_table[_NETDEV_IPV6_FLOWLABEL_MAX] = { |
395 | [NETDEV_IPV6_FLOWLABEL_INHERIT] = "inherit", | |
396 | }; | |
397 | ||
398 | DEFINE_STRING_TABLE_LOOKUP(ipv6_flowlabel, IPv6FlowLabel); | |
399 | ||
400 | int config_parse_ipv6_flowlabel(const char* unit, | |
401 | const char *filename, | |
402 | unsigned line, | |
403 | const char *section, | |
404 | unsigned section_line, | |
405 | const char *lvalue, | |
406 | int ltype, | |
407 | const char *rvalue, | |
408 | void *data, | |
409 | void *userdata) { | |
410 | IPv6FlowLabel *ipv6_flowlabel = data; | |
411 | Tunnel *t = userdata; | |
412 | IPv6FlowLabel s; | |
413 | int k = 0; | |
414 | int r; | |
415 | ||
416 | assert(filename); | |
417 | assert(lvalue); | |
418 | assert(rvalue); | |
419 | assert(ipv6_flowlabel); | |
420 | ||
421 | s = ipv6_flowlabel_from_string(rvalue); | |
422 | if (s != _NETDEV_IPV6_FLOWLABEL_INVALID) { | |
423 | *ipv6_flowlabel = IP6_FLOWINFO_FLOWLABEL; | |
424 | t->flags |= IP6_TNL_F_USE_ORIG_FLOWLABEL; | |
425 | } else { | |
426 | r = config_parse_unsigned(unit, filename, line, section, section_line, lvalue, ltype, rvalue, &k, userdata); | |
427 | if (r >= 0) { | |
428 | if (k > 0xFFFFF) | |
429 | log_syntax(unit, LOG_ERR, filename, line, k, "Failed to parse IPv6 flowlabel option, ignoring: %s", rvalue); | |
430 | else { | |
431 | *ipv6_flowlabel = htonl(k) & IP6_FLOWINFO_FLOWLABEL; | |
432 | t->flags &= ~IP6_TNL_F_USE_ORIG_FLOWLABEL; | |
433 | } | |
434 | } | |
435 | } | |
436 | ||
437 | return 0; | |
438 | } | |
439 | ||
aa9f1140 TG |
440 | static void ipip_init(NetDev *n) { |
441 | Tunnel *t = IPIP(n); | |
442 | ||
443 | assert(n); | |
444 | assert(t); | |
445 | ||
446 | t->pmtudisc = true; | |
447 | } | |
448 | ||
449 | static void sit_init(NetDev *n) { | |
450 | Tunnel *t = SIT(n); | |
451 | ||
452 | assert(n); | |
453 | assert(t); | |
454 | ||
455 | t->pmtudisc = true; | |
456 | } | |
457 | ||
458 | static void vti_init(NetDev *n) { | |
7185d805 | 459 | Tunnel *t; |
aa9f1140 TG |
460 | |
461 | assert(n); | |
9011ce77 SS |
462 | |
463 | if (n->kind == NETDEV_KIND_VTI) | |
7185d805 | 464 | t = VTI(n); |
9011ce77 SS |
465 | else |
466 | t = VTI6(n); | |
467 | ||
aa9f1140 TG |
468 | assert(t); |
469 | ||
470 | t->pmtudisc = true; | |
471 | } | |
472 | ||
473 | static void gre_init(NetDev *n) { | |
1af2536a | 474 | Tunnel *t; |
aa9f1140 TG |
475 | |
476 | assert(n); | |
1af2536a SS |
477 | |
478 | if (n->kind == NETDEV_KIND_GRE) | |
479 | t = GRE(n); | |
480 | else | |
481 | t = GRETAP(n); | |
482 | ||
aa9f1140 TG |
483 | assert(t); |
484 | ||
485 | t->pmtudisc = true; | |
486 | } | |
487 | ||
b16492f8 SS |
488 | static void ip6gre_init(NetDev *n) { |
489 | Tunnel *t; | |
490 | ||
491 | assert(n); | |
492 | ||
493 | if (n->kind == NETDEV_KIND_IP6GRE) | |
494 | t = IP6GRE(n); | |
495 | else | |
496 | t = IP6GRETAP(n); | |
497 | ||
498 | assert(t); | |
499 | ||
500 | t->ttl = DEFAULT_TNL_HOP_LIMIT; | |
501 | } | |
502 | ||
855ee1a1 SS |
503 | static void ip6tnl_init(NetDev *n) { |
504 | Tunnel *t = IP6TNL(n); | |
505 | ||
506 | assert(n); | |
507 | assert(t); | |
508 | ||
509 | t->ttl = DEFAULT_TNL_HOP_LIMIT; | |
510 | t->encap_limit = IPV6_DEFAULT_TNL_ENCAP_LIMIT; | |
511 | t->ip6tnl_mode = _NETDEV_IP6_TNL_MODE_INVALID; | |
407af9dd | 512 | t->ipv6_flowlabel = _NETDEV_IPV6_FLOWLABEL_INVALID; |
855ee1a1 SS |
513 | } |
514 | ||
3be1d7e0 | 515 | const NetDevVTable ipip_vtable = { |
aa9f1140 TG |
516 | .object_size = sizeof(Tunnel), |
517 | .init = ipip_init, | |
518 | .sections = "Match\0NetDev\0Tunnel\0", | |
519 | .fill_message_create = netdev_ipip_fill_message_create, | |
520 | .create_type = NETDEV_CREATE_STACKED, | |
3be1d7e0 TG |
521 | .config_verify = netdev_tunnel_verify, |
522 | }; | |
523 | ||
524 | const NetDevVTable sit_vtable = { | |
aa9f1140 TG |
525 | .object_size = sizeof(Tunnel), |
526 | .init = sit_init, | |
527 | .sections = "Match\0NetDev\0Tunnel\0", | |
528 | .fill_message_create = netdev_sit_fill_message_create, | |
529 | .create_type = NETDEV_CREATE_STACKED, | |
3be1d7e0 TG |
530 | .config_verify = netdev_tunnel_verify, |
531 | }; | |
532 | ||
533 | const NetDevVTable vti_vtable = { | |
aa9f1140 TG |
534 | .object_size = sizeof(Tunnel), |
535 | .init = vti_init, | |
536 | .sections = "Match\0NetDev\0Tunnel\0", | |
537 | .fill_message_create = netdev_vti_fill_message_create, | |
538 | .create_type = NETDEV_CREATE_STACKED, | |
3be1d7e0 TG |
539 | .config_verify = netdev_tunnel_verify, |
540 | }; | |
541 | ||
9011ce77 SS |
542 | const NetDevVTable vti6_vtable = { |
543 | .object_size = sizeof(Tunnel), | |
544 | .init = vti_init, | |
545 | .sections = "Match\0NetDev\0Tunnel\0", | |
546 | .fill_message_create = netdev_vti6_fill_message_create, | |
547 | .create_type = NETDEV_CREATE_STACKED, | |
548 | .config_verify = netdev_tunnel_verify, | |
549 | }; | |
550 | ||
3be1d7e0 | 551 | const NetDevVTable gre_vtable = { |
aa9f1140 TG |
552 | .object_size = sizeof(Tunnel), |
553 | .init = gre_init, | |
554 | .sections = "Match\0NetDev\0Tunnel\0", | |
555 | .fill_message_create = netdev_gre_fill_message_create, | |
556 | .create_type = NETDEV_CREATE_STACKED, | |
3be1d7e0 TG |
557 | .config_verify = netdev_tunnel_verify, |
558 | }; | |
1af2536a SS |
559 | |
560 | const NetDevVTable gretap_vtable = { | |
561 | .object_size = sizeof(Tunnel), | |
562 | .init = gre_init, | |
563 | .sections = "Match\0NetDev\0Tunnel\0", | |
564 | .fill_message_create = netdev_gre_fill_message_create, | |
565 | .create_type = NETDEV_CREATE_STACKED, | |
566 | .config_verify = netdev_tunnel_verify, | |
567 | }; | |
855ee1a1 | 568 | |
b16492f8 SS |
569 | const NetDevVTable ip6gre_vtable = { |
570 | .object_size = sizeof(Tunnel), | |
571 | .init = ip6gre_init, | |
572 | .sections = "Match\0NetDev\0Tunnel\0", | |
573 | .fill_message_create = netdev_ip6gre_fill_message_create, | |
574 | .create_type = NETDEV_CREATE_STACKED, | |
575 | .config_verify = netdev_tunnel_verify, | |
576 | }; | |
577 | ||
578 | const NetDevVTable ip6gretap_vtable = { | |
579 | .object_size = sizeof(Tunnel), | |
580 | .init = ip6gre_init, | |
581 | .sections = "Match\0NetDev\0Tunnel\0", | |
582 | .fill_message_create = netdev_ip6gre_fill_message_create, | |
583 | .create_type = NETDEV_CREATE_STACKED, | |
584 | .config_verify = netdev_tunnel_verify, | |
585 | }; | |
586 | ||
855ee1a1 SS |
587 | const NetDevVTable ip6tnl_vtable = { |
588 | .object_size = sizeof(Tunnel), | |
589 | .init = ip6tnl_init, | |
590 | .sections = "Match\0NetDev\0Tunnel\0", | |
591 | .fill_message_create = netdev_ip6tnl_fill_message_create, | |
592 | .create_type = NETDEV_CREATE_STACKED, | |
593 | .config_verify = netdev_tunnel_verify, | |
594 | }; |