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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 | 187 | |
54a9d20c SS |
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 | ||
b16492f8 SS |
198 | return r; |
199 | } | |
200 | ||
1c4baffc | 201 | static int netdev_vti_fill_message_create(NetDev *netdev, Link *link, sd_netlink_message *m) { |
aa9f1140 | 202 | Tunnel *t = VTI(netdev); |
a613382b SS |
203 | int r; |
204 | ||
3be1d7e0 | 205 | assert(netdev); |
a613382b | 206 | assert(link); |
a613382b | 207 | assert(m); |
aa9f1140 TG |
208 | assert(t); |
209 | assert(t->family == AF_INET); | |
a613382b | 210 | |
1c4baffc | 211 | r = sd_netlink_message_append_u32(m, IFLA_VTI_LINK, link->ifindex); |
5289f3ff SS |
212 | if (r < 0) |
213 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_LINK attribute: %m"); | |
a613382b | 214 | |
1c4baffc | 215 | r = sd_netlink_message_append_in_addr(m, IFLA_VTI_LOCAL, &t->local.in); |
5289f3ff SS |
216 | if (r < 0) |
217 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_LOCAL attribute: %m"); | |
a613382b | 218 | |
1c4baffc | 219 | r = sd_netlink_message_append_in_addr(m, IFLA_VTI_REMOTE, &t->remote.in); |
5289f3ff SS |
220 | if (r < 0) |
221 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_REMOTE attribute: %m"); | |
a613382b | 222 | |
a613382b SS |
223 | return r; |
224 | } | |
8bb088c5 | 225 | |
1c4baffc | 226 | static int netdev_vti6_fill_message_create(NetDev *netdev, Link *link, sd_netlink_message *m) { |
9011ce77 SS |
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 | ||
1c4baffc | 236 | r = sd_netlink_message_append_u32(m, IFLA_VTI_LINK, link->ifindex); |
9011ce77 SS |
237 | if (r < 0) |
238 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_LINK attribute: %m"); | |
239 | ||
1c4baffc | 240 | r = sd_netlink_message_append_in6_addr(m, IFLA_VTI_LOCAL, &t->local.in6); |
9011ce77 SS |
241 | if (r < 0) |
242 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_LOCAL attribute: %m"); | |
243 | ||
1c4baffc | 244 | r = sd_netlink_message_append_in6_addr(m, IFLA_VTI_REMOTE, &t->remote.in6); |
9011ce77 SS |
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 | ||
1c4baffc | 251 | static int netdev_ip6tnl_fill_message_create(NetDev *netdev, Link *link, sd_netlink_message *m) { |
855ee1a1 SS |
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 | ||
1c4baffc | 262 | r = sd_netlink_message_append_u32(m, IFLA_IPTUN_LINK, link->ifindex); |
5289f3ff SS |
263 | if (r < 0) |
264 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_LINK attribute: %m"); | |
855ee1a1 | 265 | |
1c4baffc | 266 | r = sd_netlink_message_append_in6_addr(m, IFLA_IPTUN_LOCAL, &t->local.in6); |
5289f3ff SS |
267 | if (r < 0) |
268 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_LOCAL attribute: %m"); | |
855ee1a1 | 269 | |
1c4baffc | 270 | r = sd_netlink_message_append_in6_addr(m, IFLA_IPTUN_REMOTE, &t->remote.in6); |
5289f3ff SS |
271 | if (r < 0) |
272 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_REMOTE attribute: %m"); | |
855ee1a1 | 273 | |
1c4baffc | 274 | r = sd_netlink_message_append_u8(m, IFLA_IPTUN_TTL, t->ttl); |
5289f3ff SS |
275 | if (r < 0) |
276 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_TTL attribute: %m"); | |
855ee1a1 | 277 | |
407af9dd SS |
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 | ||
a9b70f9d | 284 | if (t->copy_dscp) |
ec2a3e3a SS |
285 | t->flags |= IP6_TNL_F_RCV_DSCP_COPY; |
286 | ||
407af9dd SS |
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 | ||
855ee1a1 SS |
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 | ||
1c4baffc | 304 | r = sd_netlink_message_append_u8(m, IFLA_IPTUN_PROTO, proto); |
5289f3ff SS |
305 | if (r < 0) |
306 | return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_MODE attribute: %m"); | |
855ee1a1 SS |
307 | |
308 | return r; | |
309 | } | |
310 | ||
3be1d7e0 | 311 | static int netdev_tunnel_verify(NetDev *netdev, const char *filename) { |
aa9f1140 TG |
312 | Tunnel *t = NULL; |
313 | ||
7951dea2 | 314 | assert(netdev); |
3be1d7e0 | 315 | assert(filename); |
7951dea2 | 316 | |
aa9f1140 TG |
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; | |
1af2536a SS |
327 | case NETDEV_KIND_GRETAP: |
328 | t = GRETAP(netdev); | |
329 | break; | |
b16492f8 SS |
330 | case NETDEV_KIND_IP6GRE: |
331 | t = IP6GRE(netdev); | |
332 | break; | |
333 | case NETDEV_KIND_IP6GRETAP: | |
334 | t = IP6GRETAP(netdev); | |
335 | break; | |
aa9f1140 TG |
336 | case NETDEV_KIND_VTI: |
337 | t = VTI(netdev); | |
338 | break; | |
9011ce77 SS |
339 | case NETDEV_KIND_VTI6: |
340 | t = VTI6(netdev); | |
341 | break; | |
855ee1a1 SS |
342 | case NETDEV_KIND_IP6TNL: |
343 | t = IP6TNL(netdev); | |
344 | break; | |
aa9f1140 TG |
345 | default: |
346 | assert_not_reached("Invalid tunnel kind"); | |
347 | } | |
348 | ||
349 | assert(t); | |
350 | ||
aa9f1140 | 351 | if (t->remote.in.s_addr == INADDR_ANY) { |
5289f3ff SS |
352 | log_warning("Tunnel without remote address configured in %s. Ignoring", filename); |
353 | return -EINVAL; | |
7951dea2 SS |
354 | } |
355 | ||
855ee1a1 | 356 | if (t->family != AF_INET && t->family != AF_INET6) { |
5289f3ff SS |
357 | log_warning("Tunnel with invalid address family configured in %s. Ignoring", filename); |
358 | return -EINVAL; | |
7951dea2 SS |
359 | } |
360 | ||
855ee1a1 SS |
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 | ||
7951dea2 SS |
368 | return 0; |
369 | } | |
6ef892fc TG |
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) { | |
aa9f1140 | 381 | Tunnel *t = userdata; |
44e7b949 LP |
382 | union in_addr_union *addr = data, buffer; |
383 | int r, f; | |
6ef892fc TG |
384 | |
385 | assert(filename); | |
386 | assert(lvalue); | |
387 | assert(rvalue); | |
388 | assert(data); | |
389 | ||
44e7b949 | 390 | r = in_addr_from_string_auto(rvalue, &f, &buffer); |
6ef892fc | 391 | if (r < 0) { |
44e7b949 | 392 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, "Tunnel address is invalid, ignoring assignment: %s", rvalue); |
6ef892fc TG |
393 | return 0; |
394 | } | |
395 | ||
44e7b949 LP |
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 | ||
6ef892fc TG |
404 | return 0; |
405 | } | |
3be1d7e0 | 406 | |
407af9dd SS |
407 | int config_parse_ipv6_flowlabel(const char* unit, |
408 | const char *filename, | |
409 | unsigned line, | |
410 | const char *section, | |
411 | unsigned section_line, | |
412 | const char *lvalue, | |
413 | int ltype, | |
414 | const char *rvalue, | |
415 | void *data, | |
416 | void *userdata) { | |
417 | IPv6FlowLabel *ipv6_flowlabel = data; | |
418 | Tunnel *t = userdata; | |
407af9dd SS |
419 | int k = 0; |
420 | int r; | |
421 | ||
422 | assert(filename); | |
423 | assert(lvalue); | |
424 | assert(rvalue); | |
425 | assert(ipv6_flowlabel); | |
426 | ||
6870b415 | 427 | if (streq(rvalue, "inherit")) { |
407af9dd SS |
428 | *ipv6_flowlabel = IP6_FLOWINFO_FLOWLABEL; |
429 | t->flags |= IP6_TNL_F_USE_ORIG_FLOWLABEL; | |
430 | } else { | |
6870b415 | 431 | r = config_parse_int(unit, filename, line, section, section_line, lvalue, ltype, rvalue, &k, userdata); |
407af9dd SS |
432 | if (r >= 0) { |
433 | if (k > 0xFFFFF) | |
434 | log_syntax(unit, LOG_ERR, filename, line, k, "Failed to parse IPv6 flowlabel option, ignoring: %s", rvalue); | |
435 | else { | |
436 | *ipv6_flowlabel = htonl(k) & IP6_FLOWINFO_FLOWLABEL; | |
437 | t->flags &= ~IP6_TNL_F_USE_ORIG_FLOWLABEL; | |
438 | } | |
439 | } | |
440 | } | |
441 | ||
442 | return 0; | |
443 | } | |
444 | ||
aa9f1140 TG |
445 | static void ipip_init(NetDev *n) { |
446 | Tunnel *t = IPIP(n); | |
447 | ||
448 | assert(n); | |
449 | assert(t); | |
450 | ||
451 | t->pmtudisc = true; | |
452 | } | |
453 | ||
454 | static void sit_init(NetDev *n) { | |
455 | Tunnel *t = SIT(n); | |
456 | ||
457 | assert(n); | |
458 | assert(t); | |
459 | ||
460 | t->pmtudisc = true; | |
461 | } | |
462 | ||
463 | static void vti_init(NetDev *n) { | |
7185d805 | 464 | Tunnel *t; |
aa9f1140 TG |
465 | |
466 | assert(n); | |
9011ce77 SS |
467 | |
468 | if (n->kind == NETDEV_KIND_VTI) | |
7185d805 | 469 | t = VTI(n); |
9011ce77 SS |
470 | else |
471 | t = VTI6(n); | |
472 | ||
aa9f1140 TG |
473 | assert(t); |
474 | ||
475 | t->pmtudisc = true; | |
476 | } | |
477 | ||
478 | static void gre_init(NetDev *n) { | |
1af2536a | 479 | Tunnel *t; |
aa9f1140 TG |
480 | |
481 | assert(n); | |
1af2536a SS |
482 | |
483 | if (n->kind == NETDEV_KIND_GRE) | |
484 | t = GRE(n); | |
485 | else | |
486 | t = GRETAP(n); | |
487 | ||
aa9f1140 TG |
488 | assert(t); |
489 | ||
490 | t->pmtudisc = true; | |
491 | } | |
492 | ||
b16492f8 SS |
493 | static void ip6gre_init(NetDev *n) { |
494 | Tunnel *t; | |
495 | ||
496 | assert(n); | |
497 | ||
498 | if (n->kind == NETDEV_KIND_IP6GRE) | |
499 | t = IP6GRE(n); | |
500 | else | |
501 | t = IP6GRETAP(n); | |
502 | ||
503 | assert(t); | |
504 | ||
505 | t->ttl = DEFAULT_TNL_HOP_LIMIT; | |
506 | } | |
507 | ||
855ee1a1 SS |
508 | static void ip6tnl_init(NetDev *n) { |
509 | Tunnel *t = IP6TNL(n); | |
510 | ||
511 | assert(n); | |
512 | assert(t); | |
513 | ||
514 | t->ttl = DEFAULT_TNL_HOP_LIMIT; | |
515 | t->encap_limit = IPV6_DEFAULT_TNL_ENCAP_LIMIT; | |
516 | t->ip6tnl_mode = _NETDEV_IP6_TNL_MODE_INVALID; | |
407af9dd | 517 | t->ipv6_flowlabel = _NETDEV_IPV6_FLOWLABEL_INVALID; |
855ee1a1 SS |
518 | } |
519 | ||
3be1d7e0 | 520 | const NetDevVTable ipip_vtable = { |
aa9f1140 TG |
521 | .object_size = sizeof(Tunnel), |
522 | .init = ipip_init, | |
523 | .sections = "Match\0NetDev\0Tunnel\0", | |
524 | .fill_message_create = netdev_ipip_fill_message_create, | |
525 | .create_type = NETDEV_CREATE_STACKED, | |
3be1d7e0 TG |
526 | .config_verify = netdev_tunnel_verify, |
527 | }; | |
528 | ||
529 | const NetDevVTable sit_vtable = { | |
aa9f1140 TG |
530 | .object_size = sizeof(Tunnel), |
531 | .init = sit_init, | |
532 | .sections = "Match\0NetDev\0Tunnel\0", | |
533 | .fill_message_create = netdev_sit_fill_message_create, | |
534 | .create_type = NETDEV_CREATE_STACKED, | |
3be1d7e0 TG |
535 | .config_verify = netdev_tunnel_verify, |
536 | }; | |
537 | ||
538 | const NetDevVTable vti_vtable = { | |
aa9f1140 TG |
539 | .object_size = sizeof(Tunnel), |
540 | .init = vti_init, | |
541 | .sections = "Match\0NetDev\0Tunnel\0", | |
542 | .fill_message_create = netdev_vti_fill_message_create, | |
543 | .create_type = NETDEV_CREATE_STACKED, | |
3be1d7e0 TG |
544 | .config_verify = netdev_tunnel_verify, |
545 | }; | |
546 | ||
9011ce77 SS |
547 | const NetDevVTable vti6_vtable = { |
548 | .object_size = sizeof(Tunnel), | |
549 | .init = vti_init, | |
550 | .sections = "Match\0NetDev\0Tunnel\0", | |
551 | .fill_message_create = netdev_vti6_fill_message_create, | |
552 | .create_type = NETDEV_CREATE_STACKED, | |
553 | .config_verify = netdev_tunnel_verify, | |
554 | }; | |
555 | ||
3be1d7e0 | 556 | const NetDevVTable gre_vtable = { |
aa9f1140 TG |
557 | .object_size = sizeof(Tunnel), |
558 | .init = gre_init, | |
559 | .sections = "Match\0NetDev\0Tunnel\0", | |
560 | .fill_message_create = netdev_gre_fill_message_create, | |
561 | .create_type = NETDEV_CREATE_STACKED, | |
3be1d7e0 TG |
562 | .config_verify = netdev_tunnel_verify, |
563 | }; | |
1af2536a SS |
564 | |
565 | const NetDevVTable gretap_vtable = { | |
566 | .object_size = sizeof(Tunnel), | |
567 | .init = gre_init, | |
568 | .sections = "Match\0NetDev\0Tunnel\0", | |
569 | .fill_message_create = netdev_gre_fill_message_create, | |
570 | .create_type = NETDEV_CREATE_STACKED, | |
571 | .config_verify = netdev_tunnel_verify, | |
572 | }; | |
855ee1a1 | 573 | |
b16492f8 SS |
574 | const NetDevVTable ip6gre_vtable = { |
575 | .object_size = sizeof(Tunnel), | |
576 | .init = ip6gre_init, | |
577 | .sections = "Match\0NetDev\0Tunnel\0", | |
578 | .fill_message_create = netdev_ip6gre_fill_message_create, | |
579 | .create_type = NETDEV_CREATE_STACKED, | |
580 | .config_verify = netdev_tunnel_verify, | |
581 | }; | |
582 | ||
583 | const NetDevVTable ip6gretap_vtable = { | |
584 | .object_size = sizeof(Tunnel), | |
585 | .init = ip6gre_init, | |
586 | .sections = "Match\0NetDev\0Tunnel\0", | |
587 | .fill_message_create = netdev_ip6gre_fill_message_create, | |
588 | .create_type = NETDEV_CREATE_STACKED, | |
589 | .config_verify = netdev_tunnel_verify, | |
590 | }; | |
591 | ||
855ee1a1 SS |
592 | const NetDevVTable ip6tnl_vtable = { |
593 | .object_size = sizeof(Tunnel), | |
594 | .init = ip6tnl_init, | |
595 | .sections = "Match\0NetDev\0Tunnel\0", | |
596 | .fill_message_create = netdev_ip6tnl_fill_message_create, | |
597 | .create_type = NETDEV_CREATE_STACKED, | |
598 | .config_verify = netdev_tunnel_verify, | |
599 | }; |