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ca10883e DS |
1 | /* |
2 | Copyright 2011 by Matthieu Boutier and Juliusz Chroboczek | |
3 | ||
4 | Permission is hereby granted, free of charge, to any person obtaining a copy | |
5 | of this software and associated documentation files (the "Software"), to deal | |
6 | in the Software without restriction, including without limitation the rights | |
7 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
8 | copies of the Software, and to permit persons to whom the Software is | |
9 | furnished to do so, subject to the following conditions: | |
10 | ||
11 | The above copyright notice and this permission notice shall be included in | |
12 | all copies or substantial portions of the Software. | |
13 | ||
14 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
15 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
16 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
17 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
18 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
19 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
20 | THE SOFTWARE. | |
21 | */ | |
22 | ||
23 | #include <zebra.h> | |
24 | #include "memory.h" | |
25 | #include "log.h" | |
26 | #include "command.h" | |
27 | #include "prefix.h" | |
28 | #include "vector.h" | |
29 | #include "distribute.h" | |
f135ba52 | 30 | #include "lib_errors.h" |
5920b3eb | 31 | #include "network.h" |
ca10883e DS |
32 | |
33 | #include "babel_main.h" | |
34 | #include "util.h" | |
35 | #include "kernel.h" | |
36 | #include "babel_interface.h" | |
37 | #include "message.h" | |
38 | #include "route.h" | |
39 | #include "babel_zebra.h" | |
40 | #include "neighbour.h" | |
41 | #include "route.h" | |
42 | #include "xroute.h" | |
f135ba52 | 43 | #include "babel_errors.h" |
ca10883e | 44 | |
8b7454e9 DL |
45 | DEFINE_MTYPE_STATIC(BABELD, BABEL_IF, "Babel Interface") |
46 | ||
ca10883e DS |
47 | #define IS_ENABLE(ifp) (babel_enable_if_lookup(ifp->name) >= 0) |
48 | ||
49 | static int babel_enable_if_lookup (const char *ifname); | |
50 | static int babel_enable_if_add (const char *ifname); | |
51 | static int babel_enable_if_delete (const char *ifname); | |
52 | static int interface_recalculate(struct interface *ifp); | |
53 | static int interface_reset(struct interface *ifp); | |
54 | static int babel_if_new_hook (struct interface *ifp); | |
55 | static int babel_if_delete_hook (struct interface *ifp); | |
56 | static int interface_config_write (struct vty *vty); | |
57 | static babel_interface_nfo * babel_interface_allocate (void); | |
58 | static void babel_interface_free (babel_interface_nfo *bi); | |
59 | ||
60 | ||
61 | static vector babel_enable_if; /* enable interfaces (by cmd). */ | |
612c2c15 | 62 | static int interface_config_write(struct vty *vty); |
62b346ee | 63 | static struct cmd_node babel_interface_node = { |
f4b8291f | 64 | .name = "interface", |
62b346ee | 65 | .node = INTERFACE_NODE, |
24389580 | 66 | .parent_node = CONFIG_NODE, |
62b346ee | 67 | .prompt = "%s(config-if)# ", |
612c2c15 | 68 | .config_write = interface_config_write, |
ca10883e DS |
69 | }; |
70 | ||
71 | ||
72 | int | |
121f9dee | 73 | babel_interface_up (ZAPI_CALLBACK_ARGS) |
ca10883e DS |
74 | { |
75 | struct stream *s = NULL; | |
76 | struct interface *ifp = NULL; | |
77 | ||
78 | debugf(BABEL_DEBUG_IF, "receive a 'interface up'"); | |
79 | ||
80 | s = zclient->ibuf; | |
121f9dee | 81 | ifp = zebra_interface_state_read(s, vrf_id); /* it updates iflist */ |
ca10883e DS |
82 | |
83 | if (ifp == NULL) { | |
84 | return 0; | |
85 | } | |
86 | ||
87 | interface_recalculate(ifp); | |
88 | return 0; | |
89 | } | |
90 | ||
91 | int | |
b0b69e59 | 92 | babel_ifp_down(struct interface *ifp) |
ca10883e | 93 | { |
ca10883e DS |
94 | debugf(BABEL_DEBUG_IF, "receive a 'interface down'"); |
95 | ||
ca10883e DS |
96 | if (ifp == NULL) { |
97 | return 0; | |
98 | } | |
99 | ||
100 | interface_reset(ifp); | |
101 | return 0; | |
102 | } | |
103 | ||
ef7bd2a3 | 104 | int babel_ifp_create (struct interface *ifp) |
ca10883e | 105 | { |
ca10883e DS |
106 | debugf(BABEL_DEBUG_IF, "receive a 'interface add'"); |
107 | ||
ca10883e | 108 | interface_recalculate(ifp); |
3c3c3252 | 109 | |
ef7bd2a3 DS |
110 | return 0; |
111 | } | |
ca10883e DS |
112 | |
113 | int | |
3c3c3252 | 114 | babel_ifp_destroy(struct interface *ifp) |
ca10883e | 115 | { |
ca10883e DS |
116 | debugf(BABEL_DEBUG_IF, "receive a 'interface delete'"); |
117 | ||
ca10883e DS |
118 | if (IS_ENABLE(ifp)) |
119 | interface_reset(ifp); | |
120 | ||
ca10883e DS |
121 | return 0; |
122 | } | |
123 | ||
124 | int | |
121f9dee | 125 | babel_interface_address_add (ZAPI_CALLBACK_ARGS) |
ca10883e DS |
126 | { |
127 | babel_interface_nfo *babel_ifp; | |
128 | struct connected *ifc; | |
129 | struct prefix *prefix; | |
130 | ||
131 | debugf(BABEL_DEBUG_IF, "receive a 'interface address add'"); | |
132 | ||
133 | ifc = zebra_interface_address_read (ZEBRA_INTERFACE_ADDRESS_ADD, | |
121f9dee | 134 | zclient->ibuf, vrf_id); |
ca10883e DS |
135 | |
136 | if (ifc == NULL) | |
137 | return 0; | |
138 | ||
139 | prefix = ifc->address; | |
140 | ||
141 | if (prefix->family == AF_INET) { | |
142 | flush_interface_routes(ifc->ifp, 0); | |
143 | babel_ifp = babel_get_if_nfo(ifc->ifp); | |
144 | if (babel_ifp->ipv4 == NULL) { | |
145 | babel_ifp->ipv4 = malloc(4); | |
146 | if (babel_ifp->ipv4 == NULL) { | |
5b003f31 | 147 | flog_err(EC_BABEL_MEMORY, "not enough memory"); |
ca10883e DS |
148 | } else { |
149 | memcpy(babel_ifp->ipv4, &prefix->u.prefix4, 4); | |
150 | } | |
151 | } | |
152 | } | |
153 | ||
154 | send_request(ifc->ifp, NULL, 0); | |
155 | send_update(ifc->ifp, 0, NULL, 0); | |
156 | ||
157 | return 0; | |
158 | } | |
159 | ||
160 | int | |
121f9dee | 161 | babel_interface_address_delete (ZAPI_CALLBACK_ARGS) |
ca10883e DS |
162 | { |
163 | babel_interface_nfo *babel_ifp; | |
164 | struct connected *ifc; | |
165 | struct prefix *prefix; | |
166 | ||
167 | debugf(BABEL_DEBUG_IF, "receive a 'interface address delete'"); | |
168 | ||
169 | ifc = zebra_interface_address_read (ZEBRA_INTERFACE_ADDRESS_DELETE, | |
121f9dee | 170 | zclient->ibuf, vrf_id); |
ca10883e DS |
171 | |
172 | if (ifc == NULL) | |
173 | return 0; | |
174 | ||
175 | prefix = ifc->address; | |
176 | ||
177 | if (prefix->family == AF_INET) { | |
178 | flush_interface_routes(ifc->ifp, 0); | |
179 | babel_ifp = babel_get_if_nfo(ifc->ifp); | |
180 | if (babel_ifp->ipv4 != NULL | |
181 | && memcmp(babel_ifp->ipv4, &prefix->u.prefix4, 4) == 0) { | |
182 | free(babel_ifp->ipv4); | |
183 | babel_ifp->ipv4 = NULL; | |
184 | } | |
185 | } | |
186 | ||
187 | send_request(ifc->ifp, NULL, 0); | |
188 | send_update(ifc->ifp, 0, NULL, 0); | |
189 | ||
1f3255e5 | 190 | connected_free(&ifc); |
ca10883e DS |
191 | return 0; |
192 | } | |
193 | ||
194 | /* Lookup function. */ | |
195 | static int | |
196 | babel_enable_if_lookup (const char *ifname) | |
197 | { | |
198 | unsigned int i; | |
199 | char *str; | |
200 | ||
201 | for (i = 0; i < vector_active (babel_enable_if); i++) | |
202 | if ((str = vector_slot (babel_enable_if, i)) != NULL) | |
203 | if (strcmp (str, ifname) == 0) | |
204 | return i; | |
205 | return -1; | |
206 | } | |
207 | ||
208 | /* Add interface to babel_enable_if. */ | |
209 | static int | |
210 | babel_enable_if_add (const char *ifname) | |
211 | { | |
212 | int ret; | |
213 | struct interface *ifp = NULL; | |
214 | ||
215 | ret = babel_enable_if_lookup (ifname); | |
216 | if (ret >= 0) | |
217 | return -1; | |
218 | ||
219 | vector_set (babel_enable_if, strdup (ifname)); | |
220 | ||
a36898e7 | 221 | ifp = if_lookup_by_name(ifname, VRF_DEFAULT); |
ca10883e DS |
222 | if (ifp != NULL) |
223 | interface_recalculate(ifp); | |
224 | ||
225 | return 1; | |
226 | } | |
227 | ||
228 | /* Delete interface from babel_enable_if. */ | |
229 | static int | |
230 | babel_enable_if_delete (const char *ifname) | |
231 | { | |
232 | int babel_enable_if_index; | |
233 | char *str; | |
234 | struct interface *ifp = NULL; | |
235 | ||
236 | babel_enable_if_index = babel_enable_if_lookup (ifname); | |
237 | if (babel_enable_if_index < 0) | |
238 | return -1; | |
239 | ||
240 | str = vector_slot (babel_enable_if, babel_enable_if_index); | |
241 | free (str); | |
242 | vector_unset (babel_enable_if, babel_enable_if_index); | |
243 | ||
a36898e7 | 244 | ifp = if_lookup_by_name(ifname, VRF_DEFAULT); |
ca10883e DS |
245 | if (ifp != NULL) |
246 | interface_reset(ifp); | |
247 | ||
248 | return 1; | |
249 | } | |
250 | ||
251 | /* [Babel Command] Babel enable on specified interface or matched network. */ | |
252 | DEFUN (babel_network, | |
253 | babel_network_cmd, | |
254 | "network IF_OR_ADDR", | |
255 | "Enable Babel protocol on specified interface or network.\n" | |
f84d11d1 | 256 | "Interface or address\n") |
ca10883e DS |
257 | { |
258 | int ret; | |
259 | struct prefix p; | |
260 | ||
261 | ret = str2prefix (argv[1]->arg, &p); | |
262 | ||
263 | /* Given string is: */ | |
264 | if (ret) /* an IPv4 or v6 network */ | |
265 | return CMD_ERR_NO_MATCH; /* not implemented yet */ | |
266 | else /* an interface name */ | |
267 | ret = babel_enable_if_add (argv[1]->arg); | |
268 | ||
269 | if (ret < 0) { | |
5c7571d4 | 270 | vty_out (vty, "There is same network configuration %s\n", |
96ade3ed | 271 | argv[1]->arg); |
851fcbae | 272 | return CMD_WARNING; |
ca10883e DS |
273 | } |
274 | ||
275 | return CMD_SUCCESS; | |
276 | } | |
277 | ||
278 | /* [Babel Command] Babel enable on specified interface or matched network. */ | |
279 | DEFUN (no_babel_network, | |
280 | no_babel_network_cmd, | |
281 | "no network IF_OR_ADDR", | |
282 | NO_STR | |
283 | "Disable Babel protocol on specified interface or network.\n" | |
bd8d8973 | 284 | "Interface or address\n") |
ca10883e DS |
285 | { |
286 | int ret; | |
287 | struct prefix p; | |
288 | ||
289 | ret = str2prefix (argv[2]->arg, &p); | |
290 | ||
291 | /* Given string is: */ | |
292 | if (ret) /* an IPv4 or v6 network */ | |
293 | return CMD_ERR_NO_MATCH; /* not implemented yet */ | |
294 | else /* an interface name */ | |
295 | ret = babel_enable_if_delete (argv[2]->arg); | |
296 | ||
297 | if (ret < 0) { | |
5c7571d4 | 298 | vty_out (vty, "can't find network %s\n",argv[2]->arg); |
f1a05de9 | 299 | return CMD_WARNING_CONFIG_FAILED; |
ca10883e DS |
300 | } |
301 | ||
302 | return CMD_SUCCESS; | |
303 | } | |
304 | ||
305 | /* There are a number of interface parameters that must be changed when | |
306 | an interface becomes wired/wireless. In Quagga, they cannot be | |
307 | configured separately. */ | |
308 | ||
309 | static void | |
310 | babel_set_wired_internal(babel_interface_nfo *babel_ifp, int wired) | |
311 | { | |
312 | if(wired) { | |
313 | babel_ifp->flags |= BABEL_IF_WIRED; | |
314 | babel_ifp->flags |= BABEL_IF_SPLIT_HORIZON; | |
315 | babel_ifp->cost = BABEL_DEFAULT_RXCOST_WIRED; | |
316 | babel_ifp->channel = BABEL_IF_CHANNEL_NONINTERFERING; | |
317 | babel_ifp->flags &= ~BABEL_IF_LQ; | |
318 | } else { | |
319 | babel_ifp->flags &= ~BABEL_IF_WIRED; | |
320 | babel_ifp->flags &= ~BABEL_IF_SPLIT_HORIZON; | |
321 | babel_ifp->cost = BABEL_DEFAULT_RXCOST_WIRELESS; | |
322 | babel_ifp->channel = BABEL_IF_CHANNEL_INTERFERING; | |
323 | babel_ifp->flags |= BABEL_IF_LQ; | |
324 | } | |
325 | ||
326 | } | |
327 | ||
328 | /* [Interface Command] Tell the interface is wire. */ | |
329 | DEFUN (babel_set_wired, | |
330 | babel_set_wired_cmd, | |
331 | "babel wired", | |
332 | "Babel interface commands\n" | |
bd8d8973 | 333 | "Enable wired optimizations\n") |
ca10883e DS |
334 | { |
335 | VTY_DECLVAR_CONTEXT(interface, ifp); | |
336 | babel_interface_nfo *babel_ifp; | |
337 | ||
338 | babel_ifp = babel_get_if_nfo(ifp); | |
339 | ||
340 | assert (babel_ifp != NULL); | |
341 | babel_set_wired_internal(babel_ifp, 1); | |
342 | return CMD_SUCCESS; | |
343 | } | |
344 | ||
345 | /* [Interface Command] Tell the interface is wireless (default). */ | |
346 | DEFUN (babel_set_wireless, | |
347 | babel_set_wireless_cmd, | |
348 | "babel wireless", | |
349 | "Babel interface commands\n" | |
bd8d8973 | 350 | "Disable wired optimizations (assume wireless)\n") |
ca10883e DS |
351 | { |
352 | VTY_DECLVAR_CONTEXT(interface, ifp); | |
353 | babel_interface_nfo *babel_ifp; | |
354 | ||
355 | babel_ifp = babel_get_if_nfo(ifp); | |
356 | ||
357 | assert (babel_ifp != NULL); | |
358 | babel_set_wired_internal(babel_ifp, 0); | |
359 | return CMD_SUCCESS; | |
360 | } | |
361 | ||
362 | /* [Interface Command] Enable split horizon. */ | |
363 | DEFUN (babel_split_horizon, | |
364 | babel_split_horizon_cmd, | |
365 | "babel split-horizon", | |
366 | "Babel interface commands\n" | |
bd8d8973 | 367 | "Enable split horizon processing\n") |
ca10883e DS |
368 | { |
369 | VTY_DECLVAR_CONTEXT(interface, ifp); | |
370 | babel_interface_nfo *babel_ifp; | |
371 | ||
372 | babel_ifp = babel_get_if_nfo(ifp); | |
373 | ||
374 | assert (babel_ifp != NULL); | |
375 | babel_ifp->flags |= BABEL_IF_SPLIT_HORIZON; | |
376 | return CMD_SUCCESS; | |
377 | } | |
378 | ||
379 | /* [Interface Command] Disable split horizon (default). */ | |
380 | DEFUN (no_babel_split_horizon, | |
381 | no_babel_split_horizon_cmd, | |
382 | "no babel split-horizon", | |
383 | NO_STR | |
384 | "Babel interface commands\n" | |
bd8d8973 | 385 | "Disable split horizon processing\n") |
ca10883e DS |
386 | { |
387 | VTY_DECLVAR_CONTEXT(interface, ifp); | |
388 | babel_interface_nfo *babel_ifp; | |
389 | ||
390 | babel_ifp = babel_get_if_nfo(ifp); | |
391 | ||
392 | assert (babel_ifp != NULL); | |
393 | babel_ifp->flags &= ~BABEL_IF_SPLIT_HORIZON; | |
394 | return CMD_SUCCESS; | |
395 | } | |
396 | ||
397 | /* [Interface Command]. */ | |
398 | DEFUN (babel_set_hello_interval, | |
399 | babel_set_hello_interval_cmd, | |
400 | "babel hello-interval (20-655340)", | |
401 | "Babel interface commands\n" | |
402 | "Time between scheduled hellos\n" | |
403 | "Milliseconds\n") | |
404 | { | |
405 | VTY_DECLVAR_CONTEXT(interface, ifp); | |
406 | babel_interface_nfo *babel_ifp; | |
407 | int interval; | |
408 | ||
facfee22 | 409 | interval = strtoul(argv[2]->arg, NULL, 10); |
ca10883e DS |
410 | |
411 | babel_ifp = babel_get_if_nfo(ifp); | |
412 | assert (babel_ifp != NULL); | |
413 | ||
414 | babel_ifp->hello_interval = interval; | |
415 | return CMD_SUCCESS; | |
416 | } | |
417 | ||
418 | /* [Interface Command]. */ | |
419 | DEFUN (babel_set_update_interval, | |
420 | babel_set_update_interval_cmd, | |
421 | "babel update-interval (20-655340)", | |
422 | "Babel interface commands\n" | |
423 | "Time between scheduled updates\n" | |
424 | "Milliseconds\n") | |
425 | { | |
426 | VTY_DECLVAR_CONTEXT(interface, ifp); | |
427 | babel_interface_nfo *babel_ifp; | |
428 | int interval; | |
429 | ||
facfee22 | 430 | interval = strtoul(argv[2]->arg, NULL, 10); |
ca10883e DS |
431 | |
432 | babel_ifp = babel_get_if_nfo(ifp); | |
433 | assert (babel_ifp != NULL); | |
434 | ||
435 | babel_ifp->update_interval = interval; | |
436 | return CMD_SUCCESS; | |
437 | } | |
438 | ||
439 | DEFUN (babel_set_rxcost, | |
440 | babel_set_rxcost_cmd, | |
441 | "babel rxcost (1-65534)", | |
442 | "Babel interface commands\n" | |
443 | "Rxcost multiplier\n" | |
bd8d8973 | 444 | "Units\n") |
ca10883e DS |
445 | { |
446 | VTY_DECLVAR_CONTEXT(interface, ifp); | |
447 | babel_interface_nfo *babel_ifp; | |
448 | int rxcost; | |
449 | ||
facfee22 | 450 | rxcost = strtoul(argv[2]->arg, NULL, 10); |
ca10883e DS |
451 | |
452 | babel_ifp = babel_get_if_nfo(ifp); | |
453 | assert (babel_ifp != NULL); | |
454 | ||
455 | babel_ifp->cost = rxcost; | |
456 | return CMD_SUCCESS; | |
457 | } | |
458 | ||
459 | DEFUN (babel_set_rtt_decay, | |
460 | babel_set_rtt_decay_cmd, | |
461 | "babel rtt-decay (1-256)", | |
462 | "Babel interface commands\n" | |
463 | "Decay factor for exponential moving average of RTT samples\n" | |
bd8d8973 | 464 | "Units of 1/256\n") |
ca10883e DS |
465 | { |
466 | VTY_DECLVAR_CONTEXT(interface, ifp); | |
467 | babel_interface_nfo *babel_ifp; | |
468 | int decay; | |
469 | ||
facfee22 | 470 | decay = strtoul(argv[2]->arg, NULL, 10); |
ca10883e DS |
471 | |
472 | babel_ifp = babel_get_if_nfo(ifp); | |
473 | assert (babel_ifp != NULL); | |
474 | ||
475 | babel_ifp->rtt_decay = decay; | |
476 | return CMD_SUCCESS; | |
477 | } | |
478 | ||
479 | DEFUN (babel_set_rtt_min, | |
480 | babel_set_rtt_min_cmd, | |
481 | "babel rtt-min (1-65535)", | |
482 | "Babel interface commands\n" | |
483 | "Minimum RTT starting for increasing cost\n" | |
bd8d8973 | 484 | "Milliseconds\n") |
ca10883e DS |
485 | { |
486 | VTY_DECLVAR_CONTEXT(interface, ifp); | |
487 | babel_interface_nfo *babel_ifp; | |
488 | int rtt; | |
489 | ||
facfee22 | 490 | rtt = strtoul(argv[2]->arg, NULL, 10); |
ca10883e DS |
491 | |
492 | babel_ifp = babel_get_if_nfo(ifp); | |
493 | assert (babel_ifp != NULL); | |
494 | ||
495 | babel_ifp->rtt_min = rtt; | |
496 | return CMD_SUCCESS; | |
497 | } | |
498 | ||
499 | DEFUN (babel_set_rtt_max, | |
500 | babel_set_rtt_max_cmd, | |
501 | "babel rtt-max (1-65535)", | |
502 | "Babel interface commands\n" | |
503 | "Maximum RTT\n" | |
bd8d8973 | 504 | "Milliseconds\n") |
ca10883e DS |
505 | { |
506 | VTY_DECLVAR_CONTEXT(interface, ifp); | |
507 | babel_interface_nfo *babel_ifp; | |
508 | int rtt; | |
509 | ||
facfee22 | 510 | rtt = strtoul(argv[2]->arg, NULL, 10); |
ca10883e DS |
511 | |
512 | babel_ifp = babel_get_if_nfo(ifp); | |
513 | assert (babel_ifp != NULL); | |
514 | ||
515 | babel_ifp->rtt_max = rtt; | |
516 | return CMD_SUCCESS; | |
517 | } | |
518 | ||
519 | DEFUN (babel_set_max_rtt_penalty, | |
520 | babel_set_max_rtt_penalty_cmd, | |
521 | "babel max-rtt-penalty (0-65535)", | |
522 | "Babel interface commands\n" | |
523 | "Maximum additional cost due to RTT\n" | |
bd8d8973 | 524 | "Milliseconds\n") |
ca10883e DS |
525 | { |
526 | VTY_DECLVAR_CONTEXT(interface, ifp); | |
527 | babel_interface_nfo *babel_ifp; | |
528 | int penalty; | |
529 | ||
facfee22 | 530 | penalty = strtoul(argv[2]->arg, NULL, 10); |
ca10883e DS |
531 | |
532 | babel_ifp = babel_get_if_nfo(ifp); | |
533 | assert (babel_ifp != NULL); | |
534 | ||
535 | babel_ifp->max_rtt_penalty = penalty; | |
536 | return CMD_SUCCESS; | |
537 | } | |
538 | ||
539 | DEFUN (babel_set_enable_timestamps, | |
540 | babel_set_enable_timestamps_cmd, | |
541 | "babel enable-timestamps", | |
542 | "Babel interface commands\n" | |
bd8d8973 | 543 | "Enable timestamps\n") |
ca10883e DS |
544 | { |
545 | VTY_DECLVAR_CONTEXT(interface, ifp); | |
546 | babel_interface_nfo *babel_ifp; | |
547 | ||
548 | babel_ifp = babel_get_if_nfo(ifp); | |
549 | assert (babel_ifp != NULL); | |
550 | ||
551 | babel_ifp->flags |= BABEL_IF_TIMESTAMPS; | |
552 | return CMD_SUCCESS; | |
553 | } | |
554 | ||
555 | DEFUN (no_babel_set_enable_timestamps, | |
556 | no_babel_set_enable_timestamps_cmd, | |
557 | "no babel enable-timestamps", | |
bd8d8973 | 558 | NO_STR |
ca10883e | 559 | "Babel interface commands\n" |
bd8d8973 | 560 | "Disable timestamps\n") |
ca10883e DS |
561 | { |
562 | VTY_DECLVAR_CONTEXT(interface, ifp); | |
563 | babel_interface_nfo *babel_ifp; | |
564 | ||
565 | babel_ifp = babel_get_if_nfo(ifp); | |
566 | assert (babel_ifp != NULL); | |
567 | ||
568 | babel_ifp->flags &= ~BABEL_IF_TIMESTAMPS; | |
569 | return CMD_SUCCESS; | |
570 | } | |
571 | ||
572 | DEFUN (babel_set_channel, | |
573 | babel_set_channel_cmd, | |
574 | "babel channel (1-254)", | |
575 | "Babel interface commands\n" | |
576 | "Channel number for diversity routing\n" | |
bd8d8973 | 577 | "Number\n") |
ca10883e DS |
578 | { |
579 | VTY_DECLVAR_CONTEXT(interface, ifp); | |
580 | babel_interface_nfo *babel_ifp; | |
581 | int channel; | |
582 | ||
facfee22 | 583 | channel = strtoul(argv[2]->arg, NULL, 10); |
ca10883e DS |
584 | |
585 | babel_ifp = babel_get_if_nfo(ifp); | |
586 | assert (babel_ifp != NULL); | |
587 | ||
588 | babel_ifp->channel = channel; | |
589 | return CMD_SUCCESS; | |
590 | } | |
591 | ||
592 | DEFUN (babel_set_channel_interfering, | |
593 | babel_set_channel_interfering_cmd, | |
594 | "babel channel interfering", | |
595 | "Babel interface commands\n" | |
596 | "Channel number for diversity routing\n" | |
bd8d8973 | 597 | "Mark channel as interfering\n") |
ca10883e DS |
598 | { |
599 | VTY_DECLVAR_CONTEXT(interface, ifp); | |
600 | babel_interface_nfo *babel_ifp; | |
601 | ||
602 | babel_ifp = babel_get_if_nfo(ifp); | |
603 | assert (babel_ifp != NULL); | |
604 | ||
605 | babel_ifp->channel = BABEL_IF_CHANNEL_INTERFERING; | |
606 | return CMD_SUCCESS; | |
607 | } | |
608 | ||
609 | DEFUN (babel_set_channel_noninterfering, | |
610 | babel_set_channel_noninterfering_cmd, | |
611 | "babel channel noninterfering", | |
612 | "Babel interface commands\n" | |
613 | "Channel number for diversity routing\n" | |
bd8d8973 | 614 | "Mark channel as noninterfering\n") |
ca10883e DS |
615 | { |
616 | VTY_DECLVAR_CONTEXT(interface, ifp); | |
617 | babel_interface_nfo *babel_ifp; | |
618 | ||
619 | babel_ifp = babel_get_if_nfo(ifp); | |
620 | assert (babel_ifp != NULL); | |
621 | ||
622 | babel_ifp->channel = BABEL_IF_CHANNEL_NONINTERFERING; | |
623 | return CMD_SUCCESS; | |
624 | } | |
625 | ||
626 | /* This should be no more than half the hello interval, so that hellos | |
627 | aren't sent late. The result is in milliseconds. */ | |
628 | unsigned | |
629 | jitter(babel_interface_nfo *babel_ifp, int urgent) | |
630 | { | |
631 | unsigned interval = babel_ifp->hello_interval; | |
632 | if(urgent) | |
633 | interval = MIN(interval, 100); | |
634 | else | |
635 | interval = MIN(interval, 4000); | |
636 | return roughly(interval) / 4; | |
637 | } | |
638 | ||
639 | unsigned | |
640 | update_jitter(babel_interface_nfo *babel_ifp, int urgent) | |
641 | { | |
642 | unsigned interval = babel_ifp->hello_interval; | |
643 | if(urgent) | |
644 | interval = MIN(interval, 100); | |
645 | else | |
646 | interval = MIN(interval, 4000); | |
647 | return roughly(interval); | |
648 | } | |
649 | ||
650 | /* calculate babeld's specific datas of an interface (change when the interface | |
651 | change) */ | |
652 | static int | |
653 | interface_recalculate(struct interface *ifp) | |
654 | { | |
655 | babel_interface_nfo *babel_ifp = babel_get_if_nfo(ifp); | |
656 | unsigned char *tmp = NULL; | |
657 | int mtu, rc; | |
658 | struct ipv6_mreq mreq; | |
659 | ||
660 | if (!IS_ENABLE(ifp)) | |
661 | return -1; | |
662 | ||
663 | if (!if_is_operative(ifp) || !CHECK_FLAG(ifp->flags, IFF_RUNNING)) { | |
664 | interface_reset(ifp); | |
665 | return -1; | |
666 | } | |
667 | ||
668 | babel_ifp->flags |= BABEL_IF_IS_UP; | |
669 | ||
670 | mtu = MIN(ifp->mtu, ifp->mtu6); | |
671 | ||
672 | /* We need to be able to fit at least two messages into a packet, | |
673 | so MTUs below 116 require lower layer fragmentation. */ | |
674 | /* In IPv6, the minimum MTU is 1280, and every host must be able | |
675 | to reassemble up to 1500 bytes, but I'd rather not rely on this. */ | |
676 | if(mtu < 128) { | |
677 | debugf(BABEL_DEBUG_IF, "Suspiciously low MTU %d on interface %s (%d).", | |
678 | mtu, ifp->name, ifp->ifindex); | |
679 | mtu = 128; | |
680 | } | |
681 | ||
682 | /* 4 for Babel header; 40 for IPv6 header, 8 for UDP header, 12 for good luck. */ | |
683 | babel_ifp->bufsize = mtu - 4 - 60; | |
684 | tmp = babel_ifp->sendbuf; | |
685 | babel_ifp->sendbuf = realloc(babel_ifp->sendbuf, babel_ifp->bufsize); | |
686 | if(babel_ifp->sendbuf == NULL) { | |
5b003f31 | 687 | flog_err(EC_BABEL_MEMORY, "Couldn't reallocate sendbuf."); |
ca10883e DS |
688 | free(tmp); |
689 | babel_ifp->bufsize = 0; | |
690 | return -1; | |
691 | } | |
692 | tmp = NULL; | |
693 | ||
694 | rc = resize_receive_buffer(mtu); | |
695 | if(rc < 0) | |
1d5453d6 | 696 | zlog_warn("couldn't resize receive buffer for interface %s (%d) (%d bytes).", |
ca10883e DS |
697 | ifp->name, ifp->ifindex, mtu); |
698 | ||
699 | memset(&mreq, 0, sizeof(mreq)); | |
700 | memcpy(&mreq.ipv6mr_multiaddr, protocol_group, 16); | |
701 | mreq.ipv6mr_interface = ifp->ifindex; | |
702 | ||
703 | rc = setsockopt(protocol_socket, IPPROTO_IPV6, IPV6_JOIN_GROUP, | |
704 | (char*)&mreq, sizeof(mreq)); | |
705 | if(rc < 0) { | |
450971aa | 706 | flog_err_sys(EC_LIB_SOCKET, |
f135ba52 DS |
707 | "setsockopt(IPV6_JOIN_GROUP) on interface '%s': %s", |
708 | ifp->name, safe_strerror(errno)); | |
ca10883e DS |
709 | /* This is probably due to a missing link-local address, |
710 | so down this interface, and wait until the main loop | |
711 | tries to up it again. */ | |
712 | interface_reset(ifp); | |
713 | return -1; | |
714 | } | |
715 | ||
716 | set_timeout(&babel_ifp->hello_timeout, babel_ifp->hello_interval); | |
717 | set_timeout(&babel_ifp->update_timeout, babel_ifp->update_interval); | |
718 | send_hello(ifp); | |
719 | send_request(ifp, NULL, 0); | |
720 | ||
721 | update_interface_metric(ifp); | |
722 | ||
723 | debugf(BABEL_DEBUG_COMMON, | |
724 | "Upped interface %s (%s, cost=%d, channel=%d%s).", | |
725 | ifp->name, | |
726 | (babel_ifp->flags & BABEL_IF_WIRED) ? "wired" : "wireless", | |
727 | babel_ifp->cost, | |
728 | babel_ifp->channel, | |
729 | babel_ifp->ipv4 ? ", IPv4" : ""); | |
730 | ||
731 | if(rc > 0) | |
732 | send_update(ifp, 0, NULL, 0); | |
733 | ||
734 | return 1; | |
735 | } | |
736 | ||
737 | /* Reset the interface as it was new: it's not removed from the interface list, | |
738 | and may be considered as a upped interface. */ | |
739 | static int | |
740 | interface_reset(struct interface *ifp) | |
741 | { | |
742 | int rc; | |
743 | struct ipv6_mreq mreq; | |
744 | babel_interface_nfo *babel_ifp = babel_get_if_nfo(ifp); | |
745 | ||
746 | if (!(babel_ifp->flags & BABEL_IF_IS_UP)) | |
747 | return 0; | |
748 | ||
749 | debugf(BABEL_DEBUG_IF, "interface reset: %s", ifp->name); | |
750 | babel_ifp->flags &= ~BABEL_IF_IS_UP; | |
751 | ||
752 | flush_interface_routes(ifp, 0); | |
753 | babel_ifp->buffered = 0; | |
754 | babel_ifp->bufsize = 0; | |
755 | free(babel_ifp->sendbuf); | |
756 | babel_ifp->num_buffered_updates = 0; | |
757 | babel_ifp->update_bufsize = 0; | |
758 | if(babel_ifp->buffered_updates) | |
759 | free(babel_ifp->buffered_updates); | |
760 | babel_ifp->buffered_updates = NULL; | |
761 | babel_ifp->sendbuf = NULL; | |
762 | ||
763 | if(ifp->ifindex > 0) { | |
764 | memset(&mreq, 0, sizeof(mreq)); | |
765 | memcpy(&mreq.ipv6mr_multiaddr, protocol_group, 16); | |
766 | mreq.ipv6mr_interface = ifp->ifindex; | |
767 | rc = setsockopt(protocol_socket, IPPROTO_IPV6, IPV6_LEAVE_GROUP, | |
768 | (char*)&mreq, sizeof(mreq)); | |
769 | if(rc < 0) | |
450971aa | 770 | flog_err_sys(EC_LIB_SOCKET, |
f135ba52 DS |
771 | "setsockopt(IPV6_LEAVE_GROUP) on interface '%s': %s", |
772 | ifp->name, safe_strerror(errno)); | |
ca10883e DS |
773 | } |
774 | ||
775 | update_interface_metric(ifp); | |
776 | ||
777 | debugf(BABEL_DEBUG_COMMON,"Upped network %s (%s, cost=%d%s).", | |
778 | ifp->name, | |
779 | (babel_ifp->flags & BABEL_IF_WIRED) ? "wired" : "wireless", | |
780 | babel_ifp->cost, | |
781 | babel_ifp->ipv4 ? ", IPv4" : ""); | |
782 | ||
783 | return 1; | |
784 | } | |
785 | ||
786 | /* Send retraction to all, and reset all interfaces statistics. */ | |
787 | void | |
788 | babel_interface_close_all(void) | |
789 | { | |
f4e14fdb | 790 | struct vrf *vrf = vrf_lookup_by_id(VRF_DEFAULT); |
ca10883e | 791 | struct interface *ifp = NULL; |
ca10883e | 792 | |
f4e14fdb | 793 | FOR_ALL_INTERFACES(vrf, ifp) { |
ca10883e DS |
794 | if(!if_up(ifp)) |
795 | continue; | |
796 | send_wildcard_retraction(ifp); | |
797 | /* Make sure that we expire quickly from our neighbours' | |
798 | association caches. */ | |
799 | send_hello_noupdate(ifp, 10); | |
800 | flushbuf(ifp); | |
801 | usleep(roughly(1000)); | |
802 | gettime(&babel_now); | |
803 | } | |
f4e14fdb | 804 | FOR_ALL_INTERFACES(vrf, ifp) { |
ca10883e DS |
805 | if(!if_up(ifp)) |
806 | continue; | |
807 | /* Make sure they got it. */ | |
808 | send_wildcard_retraction(ifp); | |
809 | send_hello_noupdate(ifp, 1); | |
810 | flushbuf(ifp); | |
811 | usleep(roughly(10000)); | |
812 | gettime(&babel_now); | |
813 | interface_reset(ifp); | |
814 | } | |
815 | } | |
816 | ||
817 | /* return "true" if address is one of our ipv6 addresses */ | |
818 | int | |
819 | is_interface_ll_address(struct interface *ifp, const unsigned char *address) | |
820 | { | |
821 | struct connected *connected; | |
822 | struct listnode *node; | |
823 | ||
824 | if(!if_up(ifp)) | |
825 | return 0; | |
826 | ||
827 | FOR_ALL_INTERFACES_ADDRESSES(ifp, connected, node) { | |
828 | if(connected->address->family == AF_INET6 && | |
829 | memcmp(&connected->address->u.prefix6, address, 16) == 0) | |
830 | return 1; | |
831 | } | |
832 | ||
833 | return 0; | |
834 | } | |
835 | ||
836 | static void | |
837 | show_babel_interface_sub (struct vty *vty, struct interface *ifp) | |
838 | { | |
839 | int is_up; | |
840 | babel_interface_nfo *babel_ifp; | |
841 | ||
5c7571d4 | 842 | vty_out (vty, "%s is %s\n", ifp->name, |
96ade3ed | 843 | ((is_up = if_is_operative(ifp)) ? "up" : "down")); |
5c7571d4 | 844 | vty_out (vty, " ifindex %u, MTU %u bytes %s\n", |
96ade3ed | 845 | ifp->ifindex, MIN(ifp->mtu, ifp->mtu6), if_flag_dump(ifp->flags)); |
ca10883e DS |
846 | |
847 | if (!IS_ENABLE(ifp)) | |
848 | { | |
5c7571d4 | 849 | vty_out (vty, " Babel protocol is not enabled on this interface\n"); |
ca10883e DS |
850 | return; |
851 | } | |
852 | if (!is_up) | |
853 | { | |
5c7571d4 DL |
854 | vty_out (vty, |
855 | " Babel protocol is enabled, but not running on this interface\n"); | |
ca10883e DS |
856 | return; |
857 | } | |
858 | babel_ifp = babel_get_if_nfo (ifp); | |
5c7571d4 | 859 | vty_out (vty, " Babel protocol is running on this interface\n"); |
181039f3 | 860 | vty_out (vty, " Operating mode is \"%s\"\n", |
96ade3ed | 861 | CHECK_FLAG(babel_ifp->flags, BABEL_IF_WIRED) ? "wired" : "wireless"); |
5c7571d4 | 862 | vty_out (vty, " Split horizon mode is %s\n", |
96ade3ed | 863 | CHECK_FLAG(babel_ifp->flags, BABEL_IF_SPLIT_HORIZON) ? "On" : "Off"); |
5c7571d4 DL |
864 | vty_out (vty, " Hello interval is %u ms\n", babel_ifp->hello_interval); |
865 | vty_out (vty, " Update interval is %u ms\n", babel_ifp->update_interval); | |
866 | vty_out (vty, " Rxcost multiplier is %u\n", babel_ifp->cost); | |
ca10883e DS |
867 | } |
868 | ||
869 | DEFUN (show_babel_interface, | |
870 | show_babel_interface_cmd, | |
871 | "show babel interface [IFNAME]", | |
872 | SHOW_STR | |
873 | "Babel information\n" | |
874 | "Interface information\n" | |
875 | "Interface\n") | |
876 | { | |
f4e14fdb | 877 | struct vrf *vrf = vrf_lookup_by_id(VRF_DEFAULT); |
ca10883e | 878 | struct interface *ifp; |
ca10883e DS |
879 | |
880 | if (argc == 3) | |
881 | { | |
451fda4f | 882 | FOR_ALL_INTERFACES (vrf, ifp) |
ca10883e DS |
883 | show_babel_interface_sub (vty, ifp); |
884 | return CMD_SUCCESS; | |
885 | } | |
a36898e7 | 886 | if ((ifp = if_lookup_by_name (argv[3]->arg, VRF_DEFAULT)) == NULL) |
ca10883e | 887 | { |
5c7571d4 | 888 | vty_out (vty, "No such interface name\n"); |
ca10883e DS |
889 | return CMD_WARNING; |
890 | } | |
891 | show_babel_interface_sub (vty, ifp); | |
892 | return CMD_SUCCESS; | |
893 | } | |
894 | ||
895 | static void | |
896 | show_babel_neighbour_sub (struct vty *vty, struct neighbour *neigh) | |
897 | { | |
181039f3 | 898 | vty_out (vty, |
3efd0893 | 899 | "Neighbour %s dev %s reach %04x rxcost %d txcost %d rtt %s rttcost %d%s.\n", |
ca10883e DS |
900 | format_address(neigh->address), |
901 | neigh->ifp->name, | |
902 | neigh->reach, | |
903 | neighbour_rxcost(neigh), | |
904 | neigh->txcost, | |
905 | format_thousands(neigh->rtt), | |
906 | neighbour_rttcost(neigh), | |
96ade3ed | 907 | if_up(neigh->ifp) ? "" : " (down)"); |
ca10883e DS |
908 | } |
909 | ||
910 | DEFUN (show_babel_neighbour, | |
911 | show_babel_neighbour_cmd, | |
912 | "show babel neighbor [IFNAME]", | |
913 | SHOW_STR | |
914 | "Babel information\n" | |
915 | "Print neighbors\n" | |
916 | "Interface\n") | |
917 | { | |
918 | struct neighbour *neigh; | |
919 | struct interface *ifp; | |
920 | ||
921 | if (argc == 3) { | |
922 | FOR_ALL_NEIGHBOURS(neigh) { | |
923 | show_babel_neighbour_sub(vty, neigh); | |
924 | } | |
925 | return CMD_SUCCESS; | |
926 | } | |
a36898e7 | 927 | if ((ifp = if_lookup_by_name (argv[3]->arg, VRF_DEFAULT)) == NULL) |
ca10883e | 928 | { |
5c7571d4 | 929 | vty_out (vty, "No such interface name\n"); |
ca10883e DS |
930 | return CMD_WARNING; |
931 | } | |
932 | FOR_ALL_NEIGHBOURS(neigh) { | |
933 | if(ifp->ifindex == neigh->ifp->ifindex) { | |
934 | show_babel_neighbour_sub(vty, neigh); | |
935 | } | |
936 | } | |
937 | return CMD_SUCCESS; | |
938 | } | |
939 | ||
940 | static int | |
941 | babel_prefix_eq(struct prefix *prefix, unsigned char *p, int plen) | |
942 | { | |
943 | if(prefix->family == AF_INET6) { | |
944 | if(prefix->prefixlen != plen || | |
945 | memcmp(&prefix->u.prefix6, p, 16) != 0) | |
946 | return 0; | |
947 | } else if(prefix->family == AF_INET) { | |
948 | if(plen < 96 || !v4mapped(p) || prefix->prefixlen != plen - 96 || | |
949 | memcmp(&prefix->u.prefix4, p + 12, 4) != 0) | |
950 | return 0; | |
951 | } else { | |
952 | return 0; | |
953 | } | |
954 | ||
955 | return 1; | |
956 | } | |
957 | ||
958 | static void | |
959 | show_babel_routes_sub(struct babel_route *route, struct vty *vty, | |
960 | struct prefix *prefix) | |
961 | { | |
962 | const unsigned char *nexthop = | |
963 | memcmp(route->nexthop, route->neigh->address, 16) == 0 ? | |
964 | NULL : route->nexthop; | |
965 | char channels[100]; | |
966 | ||
967 | if(prefix && !babel_prefix_eq(prefix, route->src->prefix, route->src->plen)) | |
968 | return; | |
969 | ||
970 | if(route->channels[0] == 0) | |
971 | channels[0] = '\0'; | |
972 | else { | |
973 | int k, j = 0; | |
772270f3 | 974 | snprintf(channels, sizeof(channels), " chan ("); |
ca10883e DS |
975 | j = strlen(channels); |
976 | for(k = 0; k < DIVERSITY_HOPS; k++) { | |
977 | if(route->channels[k] == 0) | |
978 | break; | |
979 | if(k > 0) | |
980 | channels[j++] = ','; | |
2ec42b85 | 981 | snprintf(channels + j, 100 - j, "%u", route->channels[k]); |
ca10883e DS |
982 | j = strlen(channels); |
983 | } | |
984 | snprintf(channels + j, 100 - j, ")"); | |
985 | if(k == 0) | |
986 | channels[0] = '\0'; | |
987 | } | |
988 | ||
181039f3 | 989 | vty_out (vty, |
3efd0893 | 990 | "%s metric %d refmetric %d id %s seqno %d%s age %d via %s neigh %s%s%s%s\n", |
ca10883e DS |
991 | format_prefix(route->src->prefix, route->src->plen), |
992 | route_metric(route), route->refmetric, | |
993 | format_eui64(route->src->id), | |
994 | (int)route->seqno, | |
995 | channels, | |
996 | (int)(babel_now.tv_sec - route->time), | |
997 | route->neigh->ifp->name, | |
998 | format_address(route->neigh->address), | |
999 | nexthop ? " nexthop " : "", | |
1000 | nexthop ? format_address(nexthop) : "", | |
96ade3ed | 1001 | route->installed ? " (installed)" : route_feasible(route) ? " (feasible)" : ""); |
ca10883e DS |
1002 | } |
1003 | ||
1004 | static void | |
1005 | show_babel_xroutes_sub (struct xroute *xroute, struct vty *vty, | |
1006 | struct prefix *prefix) | |
1007 | { | |
1008 | if(prefix && !babel_prefix_eq(prefix, xroute->prefix, xroute->plen)) | |
1009 | return; | |
1010 | ||
5c7571d4 | 1011 | vty_out (vty, "%s metric %d (exported)\n", |
ca10883e | 1012 | format_prefix(xroute->prefix, xroute->plen), |
96ade3ed | 1013 | xroute->metric); |
ca10883e DS |
1014 | } |
1015 | ||
1016 | DEFUN (show_babel_route, | |
1017 | show_babel_route_cmd, | |
1018 | "show babel route", | |
1019 | SHOW_STR | |
1020 | "Babel information\n" | |
1021 | "Babel internal routing table\n") | |
1022 | { | |
1023 | struct route_stream *routes = NULL; | |
1024 | struct xroute_stream *xroutes = NULL; | |
1025 | routes = route_stream(0); | |
1026 | if(routes) { | |
1027 | while(1) { | |
1028 | struct babel_route *route = route_stream_next(routes); | |
1029 | if(route == NULL) | |
1030 | break; | |
1031 | show_babel_routes_sub(route, vty, NULL); | |
1032 | } | |
1033 | route_stream_done(routes); | |
1034 | } else { | |
5b003f31 | 1035 | flog_err(EC_BABEL_MEMORY, "Couldn't allocate route stream."); |
ca10883e | 1036 | } |
dd15627e | 1037 | xroutes = xroute_stream(); |
ca10883e DS |
1038 | if(xroutes) { |
1039 | while(1) { | |
1040 | struct xroute *xroute = xroute_stream_next(xroutes); | |
1041 | if(xroute == NULL) | |
1042 | break; | |
1043 | show_babel_xroutes_sub(xroute, vty, NULL); | |
1044 | } | |
1045 | xroute_stream_done(xroutes); | |
1046 | } else { | |
5b003f31 | 1047 | flog_err(EC_BABEL_MEMORY, "Couldn't allocate route stream."); |
ca10883e DS |
1048 | } |
1049 | return CMD_SUCCESS; | |
1050 | } | |
1051 | ||
1052 | DEFUN (show_babel_route_prefix, | |
1053 | show_babel_route_prefix_cmd, | |
1054 | "show babel route <A.B.C.D/M|X:X::X:X/M>", | |
1055 | SHOW_STR | |
1056 | "Babel information\n" | |
f7bf422e | 1057 | "Babel internal routing table\n" |
ca10883e DS |
1058 | "IPv4 prefix <network>/<length>\n" |
1059 | "IPv6 prefix <network>/<length>\n") | |
1060 | { | |
1061 | struct route_stream *routes = NULL; | |
1062 | struct xroute_stream *xroutes = NULL; | |
1063 | struct prefix prefix; | |
1064 | int ret; | |
1065 | ||
1066 | ret = str2prefix(argv[3]->arg, &prefix); | |
1067 | if(ret == 0) { | |
5c7571d4 | 1068 | vty_out (vty, "%% Malformed address\n"); |
ca10883e DS |
1069 | return CMD_WARNING; |
1070 | } | |
c258527b | 1071 | |
ca10883e DS |
1072 | routes = route_stream(0); |
1073 | if(routes) { | |
1074 | while(1) { | |
1075 | struct babel_route *route = route_stream_next(routes); | |
1076 | if(route == NULL) | |
1077 | break; | |
1078 | show_babel_routes_sub(route, vty, &prefix); | |
1079 | } | |
1080 | route_stream_done(routes); | |
1081 | } else { | |
5b003f31 | 1082 | flog_err(EC_BABEL_MEMORY, "Couldn't allocate route stream."); |
ca10883e | 1083 | } |
dd15627e | 1084 | xroutes = xroute_stream(); |
ca10883e DS |
1085 | if(xroutes) { |
1086 | while(1) { | |
1087 | struct xroute *xroute = xroute_stream_next(xroutes); | |
1088 | if(xroute == NULL) | |
1089 | break; | |
1090 | show_babel_xroutes_sub(xroute, vty, &prefix); | |
1091 | } | |
1092 | xroute_stream_done(xroutes); | |
1093 | } else { | |
5b003f31 | 1094 | flog_err(EC_BABEL_MEMORY, "Couldn't allocate route stream."); |
ca10883e DS |
1095 | } |
1096 | return CMD_SUCCESS; | |
1097 | } | |
1098 | ||
1099 | ||
1100 | DEFUN (show_babel_route_addr, | |
1101 | show_babel_route_addr_cmd, | |
1102 | "show babel route A.B.C.D", | |
1103 | SHOW_STR | |
1104 | "Babel information\n" | |
f7bf422e | 1105 | "Babel internal routing table\n" |
ca10883e DS |
1106 | "IPv4 address <network>/<length>\n") |
1107 | { | |
1108 | struct in_addr addr; | |
1109 | char buf[INET_ADDRSTRLEN + 8]; | |
2bd8bc15 | 1110 | char buf1[INET_ADDRSTRLEN + 8]; |
ca10883e DS |
1111 | struct route_stream *routes = NULL; |
1112 | struct xroute_stream *xroutes = NULL; | |
1113 | struct prefix prefix; | |
1114 | int ret; | |
1115 | ||
1116 | ret = inet_aton (argv[3]->arg, &addr); | |
1117 | if (ret <= 0) { | |
5c7571d4 | 1118 | vty_out (vty, "%% Malformed address\n"); |
ca10883e DS |
1119 | return CMD_WARNING; |
1120 | } | |
1121 | ||
1122 | /* Quagga has no convenient prefix constructors. */ | |
2bd8bc15 MS |
1123 | snprintf(buf, sizeof(buf), "%s/%d", |
1124 | inet_ntop(AF_INET, &addr, buf1, sizeof(buf1)), 32); | |
ca10883e DS |
1125 | |
1126 | ret = str2prefix(buf, &prefix); | |
1127 | if (ret == 0) { | |
5c7571d4 | 1128 | vty_out (vty, "%% Parse error -- this shouldn't happen\n"); |
ca10883e DS |
1129 | return CMD_WARNING; |
1130 | } | |
1131 | ||
1132 | routes = route_stream(0); | |
1133 | if(routes) { | |
1134 | while(1) { | |
1135 | struct babel_route *route = route_stream_next(routes); | |
1136 | if(route == NULL) | |
1137 | break; | |
1138 | show_babel_routes_sub(route, vty, &prefix); | |
1139 | } | |
1140 | route_stream_done(routes); | |
1141 | } else { | |
5b003f31 | 1142 | flog_err(EC_BABEL_MEMORY, "Couldn't allocate route stream."); |
ca10883e | 1143 | } |
dd15627e | 1144 | xroutes = xroute_stream(); |
ca10883e DS |
1145 | if(xroutes) { |
1146 | while(1) { | |
1147 | struct xroute *xroute = xroute_stream_next(xroutes); | |
1148 | if(xroute == NULL) | |
1149 | break; | |
1150 | show_babel_xroutes_sub(xroute, vty, &prefix); | |
1151 | } | |
1152 | xroute_stream_done(xroutes); | |
1153 | } else { | |
5b003f31 | 1154 | flog_err(EC_BABEL_MEMORY, "Couldn't allocate route stream."); |
ca10883e DS |
1155 | } |
1156 | return CMD_SUCCESS; | |
1157 | } | |
1158 | ||
1159 | DEFUN (show_babel_route_addr6, | |
1160 | show_babel_route_addr6_cmd, | |
1161 | "show babel route X:X::X:X", | |
1162 | SHOW_STR | |
1163 | "Babel information\n" | |
f7bf422e | 1164 | "Babel internal routing table\n" |
ca10883e DS |
1165 | "IPv6 address <network>/<length>\n") |
1166 | { | |
1167 | struct in6_addr addr; | |
1168 | char buf1[INET6_ADDRSTRLEN]; | |
1169 | char buf[INET6_ADDRSTRLEN + 8]; | |
1170 | struct route_stream *routes = NULL; | |
1171 | struct xroute_stream *xroutes = NULL; | |
1172 | struct prefix prefix; | |
1173 | int ret; | |
1174 | ||
1175 | ret = inet_pton (AF_INET6, argv[3]->arg, &addr); | |
1176 | if (ret <= 0) { | |
5c7571d4 | 1177 | vty_out (vty, "%% Malformed address\n"); |
ca10883e DS |
1178 | return CMD_WARNING; |
1179 | } | |
1180 | ||
1181 | /* Quagga has no convenient prefix constructors. */ | |
1182 | snprintf(buf, sizeof(buf), "%s/%d", | |
1183 | inet_ntop(AF_INET6, &addr, buf1, sizeof(buf1)), 128); | |
1184 | ||
1185 | ret = str2prefix(buf, &prefix); | |
1186 | if (ret == 0) { | |
5c7571d4 | 1187 | vty_out (vty, "%% Parse error -- this shouldn't happen\n"); |
ca10883e DS |
1188 | return CMD_WARNING; |
1189 | } | |
1190 | ||
1191 | routes = route_stream(0); | |
1192 | if(routes) { | |
1193 | while(1) { | |
1194 | struct babel_route *route = route_stream_next(routes); | |
1195 | if(route == NULL) | |
1196 | break; | |
1197 | show_babel_routes_sub(route, vty, &prefix); | |
1198 | } | |
1199 | route_stream_done(routes); | |
1200 | } else { | |
5b003f31 | 1201 | flog_err(EC_BABEL_MEMORY, "Couldn't allocate route stream."); |
ca10883e | 1202 | } |
dd15627e | 1203 | xroutes = xroute_stream(); |
ca10883e DS |
1204 | if(xroutes) { |
1205 | while(1) { | |
1206 | struct xroute *xroute = xroute_stream_next(xroutes); | |
1207 | if(xroute == NULL) | |
1208 | break; | |
1209 | show_babel_xroutes_sub(xroute, vty, &prefix); | |
1210 | } | |
1211 | xroute_stream_done(xroutes); | |
1212 | } else { | |
5b003f31 | 1213 | flog_err(EC_BABEL_MEMORY, "Couldn't allocate route stream."); |
ca10883e DS |
1214 | } |
1215 | return CMD_SUCCESS; | |
1216 | } | |
1217 | ||
1218 | DEFUN (show_babel_parameters, | |
1219 | show_babel_parameters_cmd, | |
1220 | "show babel parameters", | |
1221 | SHOW_STR | |
1222 | "Babel information\n" | |
1223 | "Configuration information\n") | |
1224 | { | |
03a38493 PG |
1225 | struct babel *babel_ctx; |
1226 | ||
5c7571d4 | 1227 | vty_out (vty, " -- Babel running configuration --\n"); |
ca10883e | 1228 | show_babel_main_configuration(vty); |
ca10883e | 1229 | |
03a38493 PG |
1230 | babel_ctx = babel_lookup(); |
1231 | if (babel_ctx) { | |
1232 | vty_out (vty, " -- distribution lists --\n"); | |
1233 | config_show_distribute(vty, babel_ctx->distribute_ctx); | |
1234 | } | |
ca10883e DS |
1235 | return CMD_SUCCESS; |
1236 | } | |
1237 | ||
138c5a74 DS |
1238 | int babel_ifp_up(struct interface *ifp) |
1239 | { | |
1240 | return 0; | |
1241 | } | |
1242 | ||
ca10883e | 1243 | void |
4d762f26 | 1244 | babel_if_init(void) |
ca10883e DS |
1245 | { |
1246 | /* initialize interface list */ | |
ce19a04a DL |
1247 | hook_register_prio(if_add, 0, babel_if_new_hook); |
1248 | hook_register_prio(if_del, 0, babel_if_delete_hook); | |
ca10883e DS |
1249 | |
1250 | babel_enable_if = vector_init (1); | |
1251 | ||
1252 | /* install interface node and commands */ | |
612c2c15 | 1253 | install_node(&babel_interface_node); |
bd8d8973 | 1254 | if_cmd_init(); |
ca10883e DS |
1255 | |
1256 | install_element(BABEL_NODE, &babel_network_cmd); | |
1257 | install_element(BABEL_NODE, &no_babel_network_cmd); | |
1258 | install_element(INTERFACE_NODE, &babel_split_horizon_cmd); | |
1259 | install_element(INTERFACE_NODE, &no_babel_split_horizon_cmd); | |
1260 | install_element(INTERFACE_NODE, &babel_set_wired_cmd); | |
1261 | install_element(INTERFACE_NODE, &babel_set_wireless_cmd); | |
1262 | install_element(INTERFACE_NODE, &babel_set_hello_interval_cmd); | |
1263 | install_element(INTERFACE_NODE, &babel_set_update_interval_cmd); | |
1264 | install_element(INTERFACE_NODE, &babel_set_rxcost_cmd); | |
1265 | install_element(INTERFACE_NODE, &babel_set_channel_cmd); | |
1266 | install_element(INTERFACE_NODE, &babel_set_rtt_decay_cmd); | |
1267 | install_element(INTERFACE_NODE, &babel_set_rtt_min_cmd); | |
1268 | install_element(INTERFACE_NODE, &babel_set_rtt_max_cmd); | |
1269 | install_element(INTERFACE_NODE, &babel_set_max_rtt_penalty_cmd); | |
1270 | install_element(INTERFACE_NODE, &babel_set_enable_timestamps_cmd); | |
1271 | install_element(INTERFACE_NODE, &no_babel_set_enable_timestamps_cmd); | |
1272 | install_element(INTERFACE_NODE, &babel_set_channel_interfering_cmd); | |
1273 | install_element(INTERFACE_NODE, &babel_set_channel_noninterfering_cmd); | |
1274 | ||
1275 | /* "show babel ..." commands */ | |
1276 | install_element(VIEW_NODE, &show_babel_interface_cmd); | |
1277 | install_element(VIEW_NODE, &show_babel_neighbour_cmd); | |
1278 | install_element(VIEW_NODE, &show_babel_route_cmd); | |
1279 | install_element(VIEW_NODE, &show_babel_route_prefix_cmd); | |
1280 | install_element(VIEW_NODE, &show_babel_route_addr_cmd); | |
1281 | install_element(VIEW_NODE, &show_babel_route_addr6_cmd); | |
1282 | install_element(VIEW_NODE, &show_babel_parameters_cmd); | |
1283 | } | |
1284 | ||
1285 | /* hooks: functions called respectively when struct interface is | |
1286 | created or deleted. */ | |
1287 | static int | |
1288 | babel_if_new_hook (struct interface *ifp) | |
1289 | { | |
1290 | ifp->info = babel_interface_allocate(); | |
1291 | return 0; | |
1292 | } | |
1293 | ||
1294 | static int | |
1295 | babel_if_delete_hook (struct interface *ifp) | |
1296 | { | |
1297 | babel_interface_free(ifp->info); | |
1298 | ifp->info = NULL; | |
1299 | return 0; | |
1300 | } | |
1301 | ||
1302 | /* Output an "interface" section for each of the known interfaces with | |
1303 | babeld-specific statement lines where appropriate. */ | |
1304 | static int | |
1305 | interface_config_write (struct vty *vty) | |
1306 | { | |
f4e14fdb | 1307 | struct vrf *vrf = vrf_lookup_by_id(VRF_DEFAULT); |
ca10883e DS |
1308 | struct interface *ifp; |
1309 | int write = 0; | |
1310 | ||
451fda4f | 1311 | FOR_ALL_INTERFACES (vrf, ifp) { |
a8b828f3 | 1312 | vty_frame (vty, "interface %s\n",ifp->name); |
ca10883e | 1313 | if (ifp->desc) |
5c7571d4 | 1314 | vty_out (vty, " description %s\n",ifp->desc); |
ca10883e DS |
1315 | babel_interface_nfo *babel_ifp = babel_get_if_nfo (ifp); |
1316 | /* wireless is the default*/ | |
1317 | if (CHECK_FLAG (babel_ifp->flags, BABEL_IF_WIRED)) | |
1318 | { | |
5c7571d4 | 1319 | vty_out (vty, " babel wired\n"); |
ca10883e DS |
1320 | write++; |
1321 | } | |
1322 | if (babel_ifp->hello_interval != BABEL_DEFAULT_HELLO_INTERVAL) | |
1323 | { | |
5c7571d4 | 1324 | vty_out (vty, " babel hello-interval %u\n", |
96ade3ed | 1325 | babel_ifp->hello_interval); |
ca10883e DS |
1326 | write++; |
1327 | } | |
1328 | if (babel_ifp->update_interval != BABEL_DEFAULT_UPDATE_INTERVAL) | |
1329 | { | |
5c7571d4 | 1330 | vty_out (vty, " babel update-interval %u\n", |
96ade3ed | 1331 | babel_ifp->update_interval); |
ca10883e DS |
1332 | write++; |
1333 | } | |
1334 | /* Some parameters have different defaults for wired/wireless. */ | |
1335 | if (CHECK_FLAG (babel_ifp->flags, BABEL_IF_WIRED)) { | |
1336 | if (!CHECK_FLAG (babel_ifp->flags, BABEL_IF_SPLIT_HORIZON)) { | |
5c7571d4 | 1337 | vty_out (vty, " no babel split-horizon\n"); |
ca10883e DS |
1338 | write++; |
1339 | } | |
1340 | if (babel_ifp->cost != BABEL_DEFAULT_RXCOST_WIRED) { | |
5c7571d4 | 1341 | vty_out (vty, " babel rxcost %u\n", babel_ifp->cost); |
ca10883e DS |
1342 | write++; |
1343 | } | |
1344 | if (babel_ifp->channel == BABEL_IF_CHANNEL_INTERFERING) { | |
5c7571d4 | 1345 | vty_out (vty, " babel channel interfering\n"); |
ca10883e DS |
1346 | write++; |
1347 | } else if(babel_ifp->channel != BABEL_IF_CHANNEL_NONINTERFERING) { | |
5c7571d4 | 1348 | vty_out (vty, " babel channel %d\n",babel_ifp->channel); |
ca10883e DS |
1349 | write++; |
1350 | } | |
1351 | } else { | |
1352 | if (CHECK_FLAG (babel_ifp->flags, BABEL_IF_SPLIT_HORIZON)) { | |
5c7571d4 | 1353 | vty_out (vty, " babel split-horizon\n"); |
ca10883e DS |
1354 | write++; |
1355 | } | |
1356 | if (babel_ifp->cost != BABEL_DEFAULT_RXCOST_WIRELESS) { | |
5c7571d4 | 1357 | vty_out (vty, " babel rxcost %u\n", babel_ifp->cost); |
ca10883e DS |
1358 | write++; |
1359 | } | |
1360 | if (babel_ifp->channel == BABEL_IF_CHANNEL_NONINTERFERING) { | |
5c7571d4 | 1361 | vty_out (vty, " babel channel noninterfering\n"); |
ca10883e DS |
1362 | write++; |
1363 | } else if(babel_ifp->channel != BABEL_IF_CHANNEL_INTERFERING) { | |
5c7571d4 | 1364 | vty_out (vty, " babel channel %d\n",babel_ifp->channel); |
ca10883e DS |
1365 | write++; |
1366 | } | |
1367 | } | |
a8b828f3 | 1368 | vty_endframe (vty, "!\n"); |
ca10883e DS |
1369 | write++; |
1370 | } | |
1371 | return write; | |
1372 | } | |
1373 | ||
1374 | /* Output a "network" statement line for each of the enabled interfaces. */ | |
1375 | int | |
1376 | babel_enable_if_config_write (struct vty * vty) | |
1377 | { | |
1378 | unsigned int i, lines = 0; | |
1379 | char *str; | |
1380 | ||
1381 | for (i = 0; i < vector_active (babel_enable_if); i++) | |
1382 | if ((str = vector_slot (babel_enable_if, i)) != NULL) | |
1383 | { | |
5c7571d4 | 1384 | vty_out (vty, " network %s\n", str); |
ca10883e DS |
1385 | lines++; |
1386 | } | |
1387 | return lines; | |
1388 | } | |
1389 | ||
1390 | /* functions to allocate or free memory for a babel_interface_nfo, filling | |
1391 | needed fields */ | |
1392 | static babel_interface_nfo * | |
1393 | babel_interface_allocate (void) | |
1394 | { | |
1395 | babel_interface_nfo *babel_ifp; | |
aa406bbc | 1396 | babel_ifp = XCALLOC(MTYPE_BABEL_IF, sizeof(babel_interface_nfo)); |
ca10883e DS |
1397 | /* All flags are unset */ |
1398 | babel_ifp->bucket_time = babel_now.tv_sec; | |
1399 | babel_ifp->bucket = BUCKET_TOKENS_MAX; | |
5920b3eb | 1400 | babel_ifp->hello_seqno = (frr_weak_random() & 0xFFFF); |
ca10883e DS |
1401 | babel_ifp->rtt_min = 10000; |
1402 | babel_ifp->rtt_max = 120000; | |
1403 | babel_ifp->max_rtt_penalty = 150; | |
1404 | babel_ifp->hello_interval = BABEL_DEFAULT_HELLO_INTERVAL; | |
1405 | babel_ifp->update_interval = BABEL_DEFAULT_UPDATE_INTERVAL; | |
1406 | babel_ifp->channel = BABEL_IF_CHANNEL_INTERFERING; | |
1407 | babel_set_wired_internal(babel_ifp, 0); | |
1408 | ||
1409 | return babel_ifp; | |
1410 | } | |
1411 | ||
1412 | static void | |
1413 | babel_interface_free (babel_interface_nfo *babel_ifp) | |
1414 | { | |
1415 | XFREE(MTYPE_BABEL_IF, babel_ifp); | |
1416 | } |