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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 | |
bf8d3d6a | 45 | DEFINE_MTYPE_STATIC(BABELD, BABEL_IF, "Babel Interface"); |
8b7454e9 | 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). */ | |
ca10883e DS |
62 | |
63 | int | |
121f9dee | 64 | babel_interface_up (ZAPI_CALLBACK_ARGS) |
ca10883e DS |
65 | { |
66 | struct stream *s = NULL; | |
67 | struct interface *ifp = NULL; | |
68 | ||
69 | debugf(BABEL_DEBUG_IF, "receive a 'interface up'"); | |
70 | ||
71 | s = zclient->ibuf; | |
121f9dee | 72 | ifp = zebra_interface_state_read(s, vrf_id); /* it updates iflist */ |
ca10883e DS |
73 | |
74 | if (ifp == NULL) { | |
75 | return 0; | |
76 | } | |
77 | ||
78 | interface_recalculate(ifp); | |
79 | return 0; | |
80 | } | |
81 | ||
82 | int | |
b0b69e59 | 83 | babel_ifp_down(struct interface *ifp) |
ca10883e | 84 | { |
ca10883e DS |
85 | debugf(BABEL_DEBUG_IF, "receive a 'interface down'"); |
86 | ||
ca10883e DS |
87 | if (ifp == NULL) { |
88 | return 0; | |
89 | } | |
90 | ||
91 | interface_reset(ifp); | |
92 | return 0; | |
93 | } | |
94 | ||
ef7bd2a3 | 95 | int babel_ifp_create (struct interface *ifp) |
ca10883e | 96 | { |
ca10883e DS |
97 | debugf(BABEL_DEBUG_IF, "receive a 'interface add'"); |
98 | ||
ca10883e | 99 | interface_recalculate(ifp); |
3c3c3252 | 100 | |
ef7bd2a3 DS |
101 | return 0; |
102 | } | |
ca10883e DS |
103 | |
104 | int | |
3c3c3252 | 105 | babel_ifp_destroy(struct interface *ifp) |
ca10883e | 106 | { |
ca10883e DS |
107 | debugf(BABEL_DEBUG_IF, "receive a 'interface delete'"); |
108 | ||
ca10883e DS |
109 | if (IS_ENABLE(ifp)) |
110 | interface_reset(ifp); | |
111 | ||
ca10883e DS |
112 | return 0; |
113 | } | |
114 | ||
115 | int | |
121f9dee | 116 | babel_interface_address_add (ZAPI_CALLBACK_ARGS) |
ca10883e DS |
117 | { |
118 | babel_interface_nfo *babel_ifp; | |
119 | struct connected *ifc; | |
120 | struct prefix *prefix; | |
121 | ||
122 | debugf(BABEL_DEBUG_IF, "receive a 'interface address add'"); | |
123 | ||
124 | ifc = zebra_interface_address_read (ZEBRA_INTERFACE_ADDRESS_ADD, | |
121f9dee | 125 | zclient->ibuf, vrf_id); |
ca10883e DS |
126 | |
127 | if (ifc == NULL) | |
128 | return 0; | |
129 | ||
130 | prefix = ifc->address; | |
131 | ||
132 | if (prefix->family == AF_INET) { | |
133 | flush_interface_routes(ifc->ifp, 0); | |
134 | babel_ifp = babel_get_if_nfo(ifc->ifp); | |
135 | if (babel_ifp->ipv4 == NULL) { | |
136 | babel_ifp->ipv4 = malloc(4); | |
137 | if (babel_ifp->ipv4 == NULL) { | |
5b003f31 | 138 | flog_err(EC_BABEL_MEMORY, "not enough memory"); |
ca10883e DS |
139 | } else { |
140 | memcpy(babel_ifp->ipv4, &prefix->u.prefix4, 4); | |
141 | } | |
142 | } | |
143 | } | |
144 | ||
145 | send_request(ifc->ifp, NULL, 0); | |
146 | send_update(ifc->ifp, 0, NULL, 0); | |
147 | ||
148 | return 0; | |
149 | } | |
150 | ||
151 | int | |
121f9dee | 152 | babel_interface_address_delete (ZAPI_CALLBACK_ARGS) |
ca10883e DS |
153 | { |
154 | babel_interface_nfo *babel_ifp; | |
155 | struct connected *ifc; | |
156 | struct prefix *prefix; | |
157 | ||
158 | debugf(BABEL_DEBUG_IF, "receive a 'interface address delete'"); | |
159 | ||
160 | ifc = zebra_interface_address_read (ZEBRA_INTERFACE_ADDRESS_DELETE, | |
121f9dee | 161 | zclient->ibuf, vrf_id); |
ca10883e DS |
162 | |
163 | if (ifc == NULL) | |
164 | return 0; | |
165 | ||
166 | prefix = ifc->address; | |
167 | ||
168 | if (prefix->family == AF_INET) { | |
169 | flush_interface_routes(ifc->ifp, 0); | |
170 | babel_ifp = babel_get_if_nfo(ifc->ifp); | |
8643c2e5 DA |
171 | if (babel_ifp->ipv4 != NULL |
172 | && memcmp(babel_ifp->ipv4, &prefix->u.prefix4, IPV4_MAX_BYTELEN) | |
173 | == 0) { | |
174 | free(babel_ifp->ipv4); | |
175 | babel_ifp->ipv4 = NULL; | |
ca10883e DS |
176 | } |
177 | } | |
178 | ||
179 | send_request(ifc->ifp, NULL, 0); | |
180 | send_update(ifc->ifp, 0, NULL, 0); | |
181 | ||
1f3255e5 | 182 | connected_free(&ifc); |
ca10883e DS |
183 | return 0; |
184 | } | |
185 | ||
186 | /* Lookup function. */ | |
187 | static int | |
188 | babel_enable_if_lookup (const char *ifname) | |
189 | { | |
190 | unsigned int i; | |
191 | char *str; | |
192 | ||
193 | for (i = 0; i < vector_active (babel_enable_if); i++) | |
194 | if ((str = vector_slot (babel_enable_if, i)) != NULL) | |
195 | if (strcmp (str, ifname) == 0) | |
196 | return i; | |
197 | return -1; | |
198 | } | |
199 | ||
200 | /* Add interface to babel_enable_if. */ | |
201 | static int | |
202 | babel_enable_if_add (const char *ifname) | |
203 | { | |
204 | int ret; | |
205 | struct interface *ifp = NULL; | |
206 | ||
207 | ret = babel_enable_if_lookup (ifname); | |
208 | if (ret >= 0) | |
209 | return -1; | |
210 | ||
211 | vector_set (babel_enable_if, strdup (ifname)); | |
212 | ||
a36898e7 | 213 | ifp = if_lookup_by_name(ifname, VRF_DEFAULT); |
ca10883e DS |
214 | if (ifp != NULL) |
215 | interface_recalculate(ifp); | |
216 | ||
217 | return 1; | |
218 | } | |
219 | ||
220 | /* Delete interface from babel_enable_if. */ | |
221 | static int | |
222 | babel_enable_if_delete (const char *ifname) | |
223 | { | |
224 | int babel_enable_if_index; | |
225 | char *str; | |
226 | struct interface *ifp = NULL; | |
227 | ||
228 | babel_enable_if_index = babel_enable_if_lookup (ifname); | |
229 | if (babel_enable_if_index < 0) | |
230 | return -1; | |
231 | ||
232 | str = vector_slot (babel_enable_if, babel_enable_if_index); | |
233 | free (str); | |
234 | vector_unset (babel_enable_if, babel_enable_if_index); | |
235 | ||
a36898e7 | 236 | ifp = if_lookup_by_name(ifname, VRF_DEFAULT); |
ca10883e DS |
237 | if (ifp != NULL) |
238 | interface_reset(ifp); | |
239 | ||
240 | return 1; | |
241 | } | |
242 | ||
243 | /* [Babel Command] Babel enable on specified interface or matched network. */ | |
244 | DEFUN (babel_network, | |
245 | babel_network_cmd, | |
246 | "network IF_OR_ADDR", | |
247 | "Enable Babel protocol on specified interface or network.\n" | |
f84d11d1 | 248 | "Interface or address\n") |
ca10883e DS |
249 | { |
250 | int ret; | |
251 | struct prefix p; | |
252 | ||
253 | ret = str2prefix (argv[1]->arg, &p); | |
254 | ||
255 | /* Given string is: */ | |
256 | if (ret) /* an IPv4 or v6 network */ | |
257 | return CMD_ERR_NO_MATCH; /* not implemented yet */ | |
258 | else /* an interface name */ | |
259 | ret = babel_enable_if_add (argv[1]->arg); | |
260 | ||
261 | if (ret < 0) { | |
5c7571d4 | 262 | vty_out (vty, "There is same network configuration %s\n", |
96ade3ed | 263 | argv[1]->arg); |
851fcbae | 264 | return CMD_WARNING; |
ca10883e DS |
265 | } |
266 | ||
267 | return CMD_SUCCESS; | |
268 | } | |
269 | ||
270 | /* [Babel Command] Babel enable on specified interface or matched network. */ | |
271 | DEFUN (no_babel_network, | |
272 | no_babel_network_cmd, | |
273 | "no network IF_OR_ADDR", | |
274 | NO_STR | |
275 | "Disable Babel protocol on specified interface or network.\n" | |
bd8d8973 | 276 | "Interface or address\n") |
ca10883e DS |
277 | { |
278 | int ret; | |
279 | struct prefix p; | |
280 | ||
281 | ret = str2prefix (argv[2]->arg, &p); | |
282 | ||
283 | /* Given string is: */ | |
284 | if (ret) /* an IPv4 or v6 network */ | |
285 | return CMD_ERR_NO_MATCH; /* not implemented yet */ | |
286 | else /* an interface name */ | |
287 | ret = babel_enable_if_delete (argv[2]->arg); | |
288 | ||
289 | if (ret < 0) { | |
5c7571d4 | 290 | vty_out (vty, "can't find network %s\n",argv[2]->arg); |
f1a05de9 | 291 | return CMD_WARNING_CONFIG_FAILED; |
ca10883e DS |
292 | } |
293 | ||
294 | return CMD_SUCCESS; | |
295 | } | |
296 | ||
297 | /* There are a number of interface parameters that must be changed when | |
298 | an interface becomes wired/wireless. In Quagga, they cannot be | |
299 | configured separately. */ | |
300 | ||
301 | static void | |
302 | babel_set_wired_internal(babel_interface_nfo *babel_ifp, int wired) | |
303 | { | |
304 | if(wired) { | |
305 | babel_ifp->flags |= BABEL_IF_WIRED; | |
306 | babel_ifp->flags |= BABEL_IF_SPLIT_HORIZON; | |
307 | babel_ifp->cost = BABEL_DEFAULT_RXCOST_WIRED; | |
308 | babel_ifp->channel = BABEL_IF_CHANNEL_NONINTERFERING; | |
309 | babel_ifp->flags &= ~BABEL_IF_LQ; | |
310 | } else { | |
311 | babel_ifp->flags &= ~BABEL_IF_WIRED; | |
312 | babel_ifp->flags &= ~BABEL_IF_SPLIT_HORIZON; | |
313 | babel_ifp->cost = BABEL_DEFAULT_RXCOST_WIRELESS; | |
314 | babel_ifp->channel = BABEL_IF_CHANNEL_INTERFERING; | |
315 | babel_ifp->flags |= BABEL_IF_LQ; | |
316 | } | |
317 | ||
318 | } | |
319 | ||
320 | /* [Interface Command] Tell the interface is wire. */ | |
321 | DEFUN (babel_set_wired, | |
322 | babel_set_wired_cmd, | |
323 | "babel wired", | |
324 | "Babel interface commands\n" | |
bd8d8973 | 325 | "Enable wired optimizations\n") |
ca10883e DS |
326 | { |
327 | VTY_DECLVAR_CONTEXT(interface, ifp); | |
328 | babel_interface_nfo *babel_ifp; | |
329 | ||
330 | babel_ifp = babel_get_if_nfo(ifp); | |
331 | ||
332 | assert (babel_ifp != NULL); | |
333 | babel_set_wired_internal(babel_ifp, 1); | |
334 | return CMD_SUCCESS; | |
335 | } | |
336 | ||
337 | /* [Interface Command] Tell the interface is wireless (default). */ | |
338 | DEFUN (babel_set_wireless, | |
339 | babel_set_wireless_cmd, | |
340 | "babel wireless", | |
341 | "Babel interface commands\n" | |
bd8d8973 | 342 | "Disable wired optimizations (assume wireless)\n") |
ca10883e DS |
343 | { |
344 | VTY_DECLVAR_CONTEXT(interface, ifp); | |
345 | babel_interface_nfo *babel_ifp; | |
346 | ||
347 | babel_ifp = babel_get_if_nfo(ifp); | |
348 | ||
349 | assert (babel_ifp != NULL); | |
350 | babel_set_wired_internal(babel_ifp, 0); | |
351 | return CMD_SUCCESS; | |
352 | } | |
353 | ||
354 | /* [Interface Command] Enable split horizon. */ | |
355 | DEFUN (babel_split_horizon, | |
356 | babel_split_horizon_cmd, | |
357 | "babel split-horizon", | |
358 | "Babel interface commands\n" | |
bd8d8973 | 359 | "Enable split horizon processing\n") |
ca10883e DS |
360 | { |
361 | VTY_DECLVAR_CONTEXT(interface, ifp); | |
362 | babel_interface_nfo *babel_ifp; | |
363 | ||
364 | babel_ifp = babel_get_if_nfo(ifp); | |
365 | ||
366 | assert (babel_ifp != NULL); | |
367 | babel_ifp->flags |= BABEL_IF_SPLIT_HORIZON; | |
368 | return CMD_SUCCESS; | |
369 | } | |
370 | ||
371 | /* [Interface Command] Disable split horizon (default). */ | |
372 | DEFUN (no_babel_split_horizon, | |
373 | no_babel_split_horizon_cmd, | |
374 | "no babel split-horizon", | |
375 | NO_STR | |
376 | "Babel interface commands\n" | |
bd8d8973 | 377 | "Disable split horizon processing\n") |
ca10883e DS |
378 | { |
379 | VTY_DECLVAR_CONTEXT(interface, ifp); | |
380 | babel_interface_nfo *babel_ifp; | |
381 | ||
382 | babel_ifp = babel_get_if_nfo(ifp); | |
383 | ||
384 | assert (babel_ifp != NULL); | |
385 | babel_ifp->flags &= ~BABEL_IF_SPLIT_HORIZON; | |
386 | return CMD_SUCCESS; | |
387 | } | |
388 | ||
389 | /* [Interface Command]. */ | |
390 | DEFUN (babel_set_hello_interval, | |
391 | babel_set_hello_interval_cmd, | |
392 | "babel hello-interval (20-655340)", | |
393 | "Babel interface commands\n" | |
394 | "Time between scheduled hellos\n" | |
395 | "Milliseconds\n") | |
396 | { | |
397 | VTY_DECLVAR_CONTEXT(interface, ifp); | |
398 | babel_interface_nfo *babel_ifp; | |
399 | int interval; | |
400 | ||
facfee22 | 401 | interval = strtoul(argv[2]->arg, NULL, 10); |
ca10883e DS |
402 | |
403 | babel_ifp = babel_get_if_nfo(ifp); | |
404 | assert (babel_ifp != NULL); | |
405 | ||
406 | babel_ifp->hello_interval = interval; | |
407 | return CMD_SUCCESS; | |
408 | } | |
409 | ||
410 | /* [Interface Command]. */ | |
411 | DEFUN (babel_set_update_interval, | |
412 | babel_set_update_interval_cmd, | |
413 | "babel update-interval (20-655340)", | |
414 | "Babel interface commands\n" | |
415 | "Time between scheduled updates\n" | |
416 | "Milliseconds\n") | |
417 | { | |
418 | VTY_DECLVAR_CONTEXT(interface, ifp); | |
419 | babel_interface_nfo *babel_ifp; | |
420 | int interval; | |
421 | ||
facfee22 | 422 | interval = strtoul(argv[2]->arg, NULL, 10); |
ca10883e DS |
423 | |
424 | babel_ifp = babel_get_if_nfo(ifp); | |
425 | assert (babel_ifp != NULL); | |
426 | ||
427 | babel_ifp->update_interval = interval; | |
428 | return CMD_SUCCESS; | |
429 | } | |
430 | ||
431 | DEFUN (babel_set_rxcost, | |
432 | babel_set_rxcost_cmd, | |
433 | "babel rxcost (1-65534)", | |
434 | "Babel interface commands\n" | |
435 | "Rxcost multiplier\n" | |
bd8d8973 | 436 | "Units\n") |
ca10883e DS |
437 | { |
438 | VTY_DECLVAR_CONTEXT(interface, ifp); | |
439 | babel_interface_nfo *babel_ifp; | |
440 | int rxcost; | |
441 | ||
facfee22 | 442 | rxcost = strtoul(argv[2]->arg, NULL, 10); |
ca10883e DS |
443 | |
444 | babel_ifp = babel_get_if_nfo(ifp); | |
445 | assert (babel_ifp != NULL); | |
446 | ||
447 | babel_ifp->cost = rxcost; | |
448 | return CMD_SUCCESS; | |
449 | } | |
450 | ||
451 | DEFUN (babel_set_rtt_decay, | |
452 | babel_set_rtt_decay_cmd, | |
453 | "babel rtt-decay (1-256)", | |
454 | "Babel interface commands\n" | |
455 | "Decay factor for exponential moving average of RTT samples\n" | |
bd8d8973 | 456 | "Units of 1/256\n") |
ca10883e DS |
457 | { |
458 | VTY_DECLVAR_CONTEXT(interface, ifp); | |
459 | babel_interface_nfo *babel_ifp; | |
460 | int decay; | |
461 | ||
facfee22 | 462 | decay = strtoul(argv[2]->arg, NULL, 10); |
ca10883e DS |
463 | |
464 | babel_ifp = babel_get_if_nfo(ifp); | |
465 | assert (babel_ifp != NULL); | |
466 | ||
467 | babel_ifp->rtt_decay = decay; | |
468 | return CMD_SUCCESS; | |
469 | } | |
470 | ||
471 | DEFUN (babel_set_rtt_min, | |
472 | babel_set_rtt_min_cmd, | |
473 | "babel rtt-min (1-65535)", | |
474 | "Babel interface commands\n" | |
475 | "Minimum RTT starting for increasing cost\n" | |
bd8d8973 | 476 | "Milliseconds\n") |
ca10883e DS |
477 | { |
478 | VTY_DECLVAR_CONTEXT(interface, ifp); | |
479 | babel_interface_nfo *babel_ifp; | |
480 | int rtt; | |
481 | ||
facfee22 | 482 | rtt = strtoul(argv[2]->arg, NULL, 10); |
ca10883e DS |
483 | |
484 | babel_ifp = babel_get_if_nfo(ifp); | |
485 | assert (babel_ifp != NULL); | |
486 | ||
896cf5c5 AMR |
487 | /* The value is entered in milliseconds but stored as microseconds. */ |
488 | babel_ifp->rtt_min = rtt * 1000; | |
ca10883e DS |
489 | return CMD_SUCCESS; |
490 | } | |
491 | ||
492 | DEFUN (babel_set_rtt_max, | |
493 | babel_set_rtt_max_cmd, | |
494 | "babel rtt-max (1-65535)", | |
495 | "Babel interface commands\n" | |
496 | "Maximum RTT\n" | |
bd8d8973 | 497 | "Milliseconds\n") |
ca10883e DS |
498 | { |
499 | VTY_DECLVAR_CONTEXT(interface, ifp); | |
500 | babel_interface_nfo *babel_ifp; | |
501 | int rtt; | |
502 | ||
facfee22 | 503 | rtt = strtoul(argv[2]->arg, NULL, 10); |
ca10883e DS |
504 | |
505 | babel_ifp = babel_get_if_nfo(ifp); | |
506 | assert (babel_ifp != NULL); | |
507 | ||
896cf5c5 AMR |
508 | /* The value is entered in milliseconds but stored as microseconds. */ |
509 | babel_ifp->rtt_max = rtt * 1000; | |
ca10883e DS |
510 | return CMD_SUCCESS; |
511 | } | |
512 | ||
513 | DEFUN (babel_set_max_rtt_penalty, | |
514 | babel_set_max_rtt_penalty_cmd, | |
515 | "babel max-rtt-penalty (0-65535)", | |
516 | "Babel interface commands\n" | |
517 | "Maximum additional cost due to RTT\n" | |
bd8d8973 | 518 | "Milliseconds\n") |
ca10883e DS |
519 | { |
520 | VTY_DECLVAR_CONTEXT(interface, ifp); | |
521 | babel_interface_nfo *babel_ifp; | |
522 | int penalty; | |
523 | ||
facfee22 | 524 | penalty = strtoul(argv[2]->arg, NULL, 10); |
ca10883e DS |
525 | |
526 | babel_ifp = babel_get_if_nfo(ifp); | |
527 | assert (babel_ifp != NULL); | |
528 | ||
529 | babel_ifp->max_rtt_penalty = penalty; | |
530 | return CMD_SUCCESS; | |
531 | } | |
532 | ||
533 | DEFUN (babel_set_enable_timestamps, | |
534 | babel_set_enable_timestamps_cmd, | |
535 | "babel enable-timestamps", | |
536 | "Babel interface commands\n" | |
bd8d8973 | 537 | "Enable timestamps\n") |
ca10883e DS |
538 | { |
539 | VTY_DECLVAR_CONTEXT(interface, ifp); | |
540 | babel_interface_nfo *babel_ifp; | |
541 | ||
542 | babel_ifp = babel_get_if_nfo(ifp); | |
543 | assert (babel_ifp != NULL); | |
544 | ||
545 | babel_ifp->flags |= BABEL_IF_TIMESTAMPS; | |
546 | return CMD_SUCCESS; | |
547 | } | |
548 | ||
549 | DEFUN (no_babel_set_enable_timestamps, | |
550 | no_babel_set_enable_timestamps_cmd, | |
551 | "no babel enable-timestamps", | |
bd8d8973 | 552 | NO_STR |
ca10883e | 553 | "Babel interface commands\n" |
bd8d8973 | 554 | "Disable timestamps\n") |
ca10883e DS |
555 | { |
556 | VTY_DECLVAR_CONTEXT(interface, ifp); | |
557 | babel_interface_nfo *babel_ifp; | |
558 | ||
559 | babel_ifp = babel_get_if_nfo(ifp); | |
560 | assert (babel_ifp != NULL); | |
561 | ||
562 | babel_ifp->flags &= ~BABEL_IF_TIMESTAMPS; | |
563 | return CMD_SUCCESS; | |
564 | } | |
565 | ||
566 | DEFUN (babel_set_channel, | |
567 | babel_set_channel_cmd, | |
568 | "babel channel (1-254)", | |
569 | "Babel interface commands\n" | |
570 | "Channel number for diversity routing\n" | |
bd8d8973 | 571 | "Number\n") |
ca10883e DS |
572 | { |
573 | VTY_DECLVAR_CONTEXT(interface, ifp); | |
574 | babel_interface_nfo *babel_ifp; | |
575 | int channel; | |
576 | ||
facfee22 | 577 | channel = strtoul(argv[2]->arg, NULL, 10); |
ca10883e DS |
578 | |
579 | babel_ifp = babel_get_if_nfo(ifp); | |
580 | assert (babel_ifp != NULL); | |
581 | ||
582 | babel_ifp->channel = channel; | |
583 | return CMD_SUCCESS; | |
584 | } | |
585 | ||
586 | DEFUN (babel_set_channel_interfering, | |
587 | babel_set_channel_interfering_cmd, | |
588 | "babel channel interfering", | |
589 | "Babel interface commands\n" | |
590 | "Channel number for diversity routing\n" | |
bd8d8973 | 591 | "Mark channel as interfering\n") |
ca10883e DS |
592 | { |
593 | VTY_DECLVAR_CONTEXT(interface, ifp); | |
594 | babel_interface_nfo *babel_ifp; | |
595 | ||
596 | babel_ifp = babel_get_if_nfo(ifp); | |
597 | assert (babel_ifp != NULL); | |
598 | ||
599 | babel_ifp->channel = BABEL_IF_CHANNEL_INTERFERING; | |
600 | return CMD_SUCCESS; | |
601 | } | |
602 | ||
603 | DEFUN (babel_set_channel_noninterfering, | |
604 | babel_set_channel_noninterfering_cmd, | |
605 | "babel channel noninterfering", | |
606 | "Babel interface commands\n" | |
607 | "Channel number for diversity routing\n" | |
bd8d8973 | 608 | "Mark channel as noninterfering\n") |
ca10883e DS |
609 | { |
610 | VTY_DECLVAR_CONTEXT(interface, ifp); | |
611 | babel_interface_nfo *babel_ifp; | |
612 | ||
613 | babel_ifp = babel_get_if_nfo(ifp); | |
614 | assert (babel_ifp != NULL); | |
615 | ||
616 | babel_ifp->channel = BABEL_IF_CHANNEL_NONINTERFERING; | |
617 | return CMD_SUCCESS; | |
618 | } | |
619 | ||
620 | /* This should be no more than half the hello interval, so that hellos | |
621 | aren't sent late. The result is in milliseconds. */ | |
622 | unsigned | |
623 | jitter(babel_interface_nfo *babel_ifp, int urgent) | |
624 | { | |
625 | unsigned interval = babel_ifp->hello_interval; | |
626 | if(urgent) | |
627 | interval = MIN(interval, 100); | |
628 | else | |
629 | interval = MIN(interval, 4000); | |
630 | return roughly(interval) / 4; | |
631 | } | |
632 | ||
633 | unsigned | |
634 | update_jitter(babel_interface_nfo *babel_ifp, int urgent) | |
635 | { | |
636 | unsigned interval = babel_ifp->hello_interval; | |
637 | if(urgent) | |
638 | interval = MIN(interval, 100); | |
639 | else | |
640 | interval = MIN(interval, 4000); | |
641 | return roughly(interval); | |
642 | } | |
643 | ||
644 | /* calculate babeld's specific datas of an interface (change when the interface | |
645 | change) */ | |
646 | static int | |
647 | interface_recalculate(struct interface *ifp) | |
648 | { | |
649 | babel_interface_nfo *babel_ifp = babel_get_if_nfo(ifp); | |
650 | unsigned char *tmp = NULL; | |
651 | int mtu, rc; | |
652 | struct ipv6_mreq mreq; | |
653 | ||
654 | if (!IS_ENABLE(ifp)) | |
655 | return -1; | |
656 | ||
657 | if (!if_is_operative(ifp) || !CHECK_FLAG(ifp->flags, IFF_RUNNING)) { | |
658 | interface_reset(ifp); | |
659 | return -1; | |
660 | } | |
661 | ||
662 | babel_ifp->flags |= BABEL_IF_IS_UP; | |
663 | ||
664 | mtu = MIN(ifp->mtu, ifp->mtu6); | |
665 | ||
666 | /* We need to be able to fit at least two messages into a packet, | |
667 | so MTUs below 116 require lower layer fragmentation. */ | |
668 | /* In IPv6, the minimum MTU is 1280, and every host must be able | |
669 | to reassemble up to 1500 bytes, but I'd rather not rely on this. */ | |
670 | if(mtu < 128) { | |
671 | debugf(BABEL_DEBUG_IF, "Suspiciously low MTU %d on interface %s (%d).", | |
672 | mtu, ifp->name, ifp->ifindex); | |
673 | mtu = 128; | |
674 | } | |
675 | ||
676 | /* 4 for Babel header; 40 for IPv6 header, 8 for UDP header, 12 for good luck. */ | |
677 | babel_ifp->bufsize = mtu - 4 - 60; | |
678 | tmp = babel_ifp->sendbuf; | |
679 | babel_ifp->sendbuf = realloc(babel_ifp->sendbuf, babel_ifp->bufsize); | |
680 | if(babel_ifp->sendbuf == NULL) { | |
5b003f31 | 681 | flog_err(EC_BABEL_MEMORY, "Couldn't reallocate sendbuf."); |
ca10883e DS |
682 | free(tmp); |
683 | babel_ifp->bufsize = 0; | |
684 | return -1; | |
685 | } | |
686 | tmp = NULL; | |
687 | ||
688 | rc = resize_receive_buffer(mtu); | |
689 | if(rc < 0) | |
1d5453d6 | 690 | zlog_warn("couldn't resize receive buffer for interface %s (%d) (%d bytes).", |
ca10883e DS |
691 | ifp->name, ifp->ifindex, mtu); |
692 | ||
693 | memset(&mreq, 0, sizeof(mreq)); | |
694 | memcpy(&mreq.ipv6mr_multiaddr, protocol_group, 16); | |
695 | mreq.ipv6mr_interface = ifp->ifindex; | |
696 | ||
697 | rc = setsockopt(protocol_socket, IPPROTO_IPV6, IPV6_JOIN_GROUP, | |
698 | (char*)&mreq, sizeof(mreq)); | |
699 | if(rc < 0) { | |
450971aa | 700 | flog_err_sys(EC_LIB_SOCKET, |
f135ba52 DS |
701 | "setsockopt(IPV6_JOIN_GROUP) on interface '%s': %s", |
702 | ifp->name, safe_strerror(errno)); | |
ca10883e DS |
703 | /* This is probably due to a missing link-local address, |
704 | so down this interface, and wait until the main loop | |
705 | tries to up it again. */ | |
706 | interface_reset(ifp); | |
707 | return -1; | |
708 | } | |
709 | ||
710 | set_timeout(&babel_ifp->hello_timeout, babel_ifp->hello_interval); | |
711 | set_timeout(&babel_ifp->update_timeout, babel_ifp->update_interval); | |
712 | send_hello(ifp); | |
713 | send_request(ifp, NULL, 0); | |
714 | ||
715 | update_interface_metric(ifp); | |
716 | ||
717 | debugf(BABEL_DEBUG_COMMON, | |
718 | "Upped interface %s (%s, cost=%d, channel=%d%s).", | |
719 | ifp->name, | |
720 | (babel_ifp->flags & BABEL_IF_WIRED) ? "wired" : "wireless", | |
721 | babel_ifp->cost, | |
722 | babel_ifp->channel, | |
723 | babel_ifp->ipv4 ? ", IPv4" : ""); | |
724 | ||
725 | if(rc > 0) | |
726 | send_update(ifp, 0, NULL, 0); | |
727 | ||
728 | return 1; | |
729 | } | |
730 | ||
731 | /* Reset the interface as it was new: it's not removed from the interface list, | |
732 | and may be considered as a upped interface. */ | |
733 | static int | |
734 | interface_reset(struct interface *ifp) | |
735 | { | |
736 | int rc; | |
737 | struct ipv6_mreq mreq; | |
738 | babel_interface_nfo *babel_ifp = babel_get_if_nfo(ifp); | |
739 | ||
740 | if (!(babel_ifp->flags & BABEL_IF_IS_UP)) | |
741 | return 0; | |
742 | ||
743 | debugf(BABEL_DEBUG_IF, "interface reset: %s", ifp->name); | |
744 | babel_ifp->flags &= ~BABEL_IF_IS_UP; | |
745 | ||
746 | flush_interface_routes(ifp, 0); | |
747 | babel_ifp->buffered = 0; | |
748 | babel_ifp->bufsize = 0; | |
749 | free(babel_ifp->sendbuf); | |
750 | babel_ifp->num_buffered_updates = 0; | |
751 | babel_ifp->update_bufsize = 0; | |
752 | if(babel_ifp->buffered_updates) | |
753 | free(babel_ifp->buffered_updates); | |
754 | babel_ifp->buffered_updates = NULL; | |
755 | babel_ifp->sendbuf = NULL; | |
756 | ||
757 | if(ifp->ifindex > 0) { | |
758 | memset(&mreq, 0, sizeof(mreq)); | |
759 | memcpy(&mreq.ipv6mr_multiaddr, protocol_group, 16); | |
760 | mreq.ipv6mr_interface = ifp->ifindex; | |
761 | rc = setsockopt(protocol_socket, IPPROTO_IPV6, IPV6_LEAVE_GROUP, | |
762 | (char*)&mreq, sizeof(mreq)); | |
763 | if(rc < 0) | |
450971aa | 764 | flog_err_sys(EC_LIB_SOCKET, |
f135ba52 DS |
765 | "setsockopt(IPV6_LEAVE_GROUP) on interface '%s': %s", |
766 | ifp->name, safe_strerror(errno)); | |
ca10883e DS |
767 | } |
768 | ||
769 | update_interface_metric(ifp); | |
770 | ||
771 | debugf(BABEL_DEBUG_COMMON,"Upped network %s (%s, cost=%d%s).", | |
772 | ifp->name, | |
773 | (babel_ifp->flags & BABEL_IF_WIRED) ? "wired" : "wireless", | |
774 | babel_ifp->cost, | |
775 | babel_ifp->ipv4 ? ", IPv4" : ""); | |
776 | ||
777 | return 1; | |
778 | } | |
779 | ||
780 | /* Send retraction to all, and reset all interfaces statistics. */ | |
781 | void | |
782 | babel_interface_close_all(void) | |
783 | { | |
f4e14fdb | 784 | struct vrf *vrf = vrf_lookup_by_id(VRF_DEFAULT); |
ca10883e | 785 | struct interface *ifp = NULL; |
ca10883e | 786 | |
f4e14fdb | 787 | FOR_ALL_INTERFACES(vrf, ifp) { |
ca10883e DS |
788 | if(!if_up(ifp)) |
789 | continue; | |
790 | send_wildcard_retraction(ifp); | |
791 | /* Make sure that we expire quickly from our neighbours' | |
792 | association caches. */ | |
793 | send_hello_noupdate(ifp, 10); | |
794 | flushbuf(ifp); | |
795 | usleep(roughly(1000)); | |
796 | gettime(&babel_now); | |
797 | } | |
f4e14fdb | 798 | FOR_ALL_INTERFACES(vrf, ifp) { |
ca10883e DS |
799 | if(!if_up(ifp)) |
800 | continue; | |
801 | /* Make sure they got it. */ | |
802 | send_wildcard_retraction(ifp); | |
803 | send_hello_noupdate(ifp, 1); | |
804 | flushbuf(ifp); | |
805 | usleep(roughly(10000)); | |
806 | gettime(&babel_now); | |
807 | interface_reset(ifp); | |
808 | } | |
809 | } | |
810 | ||
811 | /* return "true" if address is one of our ipv6 addresses */ | |
812 | int | |
813 | is_interface_ll_address(struct interface *ifp, const unsigned char *address) | |
814 | { | |
815 | struct connected *connected; | |
816 | struct listnode *node; | |
817 | ||
818 | if(!if_up(ifp)) | |
819 | return 0; | |
820 | ||
821 | FOR_ALL_INTERFACES_ADDRESSES(ifp, connected, node) { | |
8643c2e5 DA |
822 | if (connected->address->family == AF_INET6 |
823 | && memcmp(&connected->address->u.prefix6, address, | |
824 | IPV6_MAX_BYTELEN) | |
825 | == 0) | |
826 | return 1; | |
ca10883e DS |
827 | } |
828 | ||
829 | return 0; | |
830 | } | |
831 | ||
832 | static void | |
833 | show_babel_interface_sub (struct vty *vty, struct interface *ifp) | |
834 | { | |
835 | int is_up; | |
836 | babel_interface_nfo *babel_ifp; | |
837 | ||
5c7571d4 | 838 | vty_out (vty, "%s is %s\n", ifp->name, |
96ade3ed | 839 | ((is_up = if_is_operative(ifp)) ? "up" : "down")); |
5c7571d4 | 840 | vty_out (vty, " ifindex %u, MTU %u bytes %s\n", |
96ade3ed | 841 | ifp->ifindex, MIN(ifp->mtu, ifp->mtu6), if_flag_dump(ifp->flags)); |
ca10883e DS |
842 | |
843 | if (!IS_ENABLE(ifp)) | |
844 | { | |
5c7571d4 | 845 | vty_out (vty, " Babel protocol is not enabled on this interface\n"); |
ca10883e DS |
846 | return; |
847 | } | |
848 | if (!is_up) | |
849 | { | |
5c7571d4 DL |
850 | vty_out (vty, |
851 | " Babel protocol is enabled, but not running on this interface\n"); | |
ca10883e DS |
852 | return; |
853 | } | |
854 | babel_ifp = babel_get_if_nfo (ifp); | |
5c7571d4 | 855 | vty_out (vty, " Babel protocol is running on this interface\n"); |
181039f3 | 856 | vty_out (vty, " Operating mode is \"%s\"\n", |
96ade3ed | 857 | CHECK_FLAG(babel_ifp->flags, BABEL_IF_WIRED) ? "wired" : "wireless"); |
5c7571d4 | 858 | vty_out (vty, " Split horizon mode is %s\n", |
96ade3ed | 859 | CHECK_FLAG(babel_ifp->flags, BABEL_IF_SPLIT_HORIZON) ? "On" : "Off"); |
5c7571d4 DL |
860 | vty_out (vty, " Hello interval is %u ms\n", babel_ifp->hello_interval); |
861 | vty_out (vty, " Update interval is %u ms\n", babel_ifp->update_interval); | |
862 | vty_out (vty, " Rxcost multiplier is %u\n", babel_ifp->cost); | |
ca10883e DS |
863 | } |
864 | ||
865 | DEFUN (show_babel_interface, | |
866 | show_babel_interface_cmd, | |
867 | "show babel interface [IFNAME]", | |
868 | SHOW_STR | |
869 | "Babel information\n" | |
870 | "Interface information\n" | |
871 | "Interface\n") | |
872 | { | |
f4e14fdb | 873 | struct vrf *vrf = vrf_lookup_by_id(VRF_DEFAULT); |
ca10883e | 874 | struct interface *ifp; |
ca10883e DS |
875 | |
876 | if (argc == 3) | |
877 | { | |
451fda4f | 878 | FOR_ALL_INTERFACES (vrf, ifp) |
ca10883e DS |
879 | show_babel_interface_sub (vty, ifp); |
880 | return CMD_SUCCESS; | |
881 | } | |
a36898e7 | 882 | if ((ifp = if_lookup_by_name (argv[3]->arg, VRF_DEFAULT)) == NULL) |
ca10883e | 883 | { |
5c7571d4 | 884 | vty_out (vty, "No such interface name\n"); |
ca10883e DS |
885 | return CMD_WARNING; |
886 | } | |
887 | show_babel_interface_sub (vty, ifp); | |
888 | return CMD_SUCCESS; | |
889 | } | |
890 | ||
891 | static void | |
892 | show_babel_neighbour_sub (struct vty *vty, struct neighbour *neigh) | |
893 | { | |
181039f3 | 894 | vty_out (vty, |
3efd0893 | 895 | "Neighbour %s dev %s reach %04x rxcost %d txcost %d rtt %s rttcost %d%s.\n", |
ca10883e DS |
896 | format_address(neigh->address), |
897 | neigh->ifp->name, | |
898 | neigh->reach, | |
899 | neighbour_rxcost(neigh), | |
900 | neigh->txcost, | |
901 | format_thousands(neigh->rtt), | |
902 | neighbour_rttcost(neigh), | |
96ade3ed | 903 | if_up(neigh->ifp) ? "" : " (down)"); |
ca10883e DS |
904 | } |
905 | ||
906 | DEFUN (show_babel_neighbour, | |
907 | show_babel_neighbour_cmd, | |
908 | "show babel neighbor [IFNAME]", | |
909 | SHOW_STR | |
910 | "Babel information\n" | |
911 | "Print neighbors\n" | |
912 | "Interface\n") | |
913 | { | |
914 | struct neighbour *neigh; | |
915 | struct interface *ifp; | |
916 | ||
917 | if (argc == 3) { | |
918 | FOR_ALL_NEIGHBOURS(neigh) { | |
919 | show_babel_neighbour_sub(vty, neigh); | |
920 | } | |
921 | return CMD_SUCCESS; | |
922 | } | |
a36898e7 | 923 | if ((ifp = if_lookup_by_name (argv[3]->arg, VRF_DEFAULT)) == NULL) |
ca10883e | 924 | { |
5c7571d4 | 925 | vty_out (vty, "No such interface name\n"); |
ca10883e DS |
926 | return CMD_WARNING; |
927 | } | |
928 | FOR_ALL_NEIGHBOURS(neigh) { | |
929 | if(ifp->ifindex == neigh->ifp->ifindex) { | |
930 | show_babel_neighbour_sub(vty, neigh); | |
931 | } | |
932 | } | |
933 | return CMD_SUCCESS; | |
934 | } | |
935 | ||
936 | static int | |
937 | babel_prefix_eq(struct prefix *prefix, unsigned char *p, int plen) | |
938 | { | |
939 | if(prefix->family == AF_INET6) { | |
8643c2e5 DA |
940 | if (prefix->prefixlen != plen |
941 | || memcmp(&prefix->u.prefix6, p, IPV6_MAX_BYTELEN) != 0) | |
942 | return 0; | |
ca10883e | 943 | } else if(prefix->family == AF_INET) { |
8643c2e5 DA |
944 | if (plen < 96 || !v4mapped(p) || prefix->prefixlen != plen - 96 |
945 | || memcmp(&prefix->u.prefix4, p + 12, IPV4_MAX_BYTELEN) != 0) | |
946 | return 0; | |
ca10883e DS |
947 | } else { |
948 | return 0; | |
949 | } | |
950 | ||
951 | return 1; | |
952 | } | |
953 | ||
954 | static void | |
955 | show_babel_routes_sub(struct babel_route *route, struct vty *vty, | |
956 | struct prefix *prefix) | |
957 | { | |
8643c2e5 DA |
958 | const unsigned char *nexthop = |
959 | memcmp(route->nexthop, route->neigh->address, IPV6_MAX_BYTELEN) | |
960 | == 0 | |
961 | ? NULL | |
962 | : route->nexthop; | |
963 | char channels[100]; | |
964 | ||
965 | if (prefix | |
966 | && !babel_prefix_eq(prefix, route->src->prefix, route->src->plen)) | |
967 | return; | |
968 | ||
969 | if (route->channels[0] == 0) | |
970 | channels[0] = '\0'; | |
971 | else { | |
972 | int k, j = 0; | |
973 | snprintf(channels, sizeof(channels), " chan ("); | |
974 | j = strlen(channels); | |
975 | for (k = 0; k < DIVERSITY_HOPS; k++) { | |
976 | if (route->channels[k] == 0) | |
977 | break; | |
978 | if (k > 0) | |
979 | channels[j++] = ','; | |
980 | snprintf(channels + j, 100 - j, "%u", | |
981 | route->channels[k]); | |
982 | j = strlen(channels); | |
983 | } | |
984 | snprintf(channels + j, 100 - j, ")"); | |
985 | if (k == 0) | |
986 | channels[0] = '\0'; | |
ca10883e DS |
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 */ | |
9da01b0b | 1253 | if_cmd_init(interface_config_write); |
ca10883e DS |
1254 | |
1255 | install_element(BABEL_NODE, &babel_network_cmd); | |
1256 | install_element(BABEL_NODE, &no_babel_network_cmd); | |
1257 | install_element(INTERFACE_NODE, &babel_split_horizon_cmd); | |
1258 | install_element(INTERFACE_NODE, &no_babel_split_horizon_cmd); | |
1259 | install_element(INTERFACE_NODE, &babel_set_wired_cmd); | |
1260 | install_element(INTERFACE_NODE, &babel_set_wireless_cmd); | |
1261 | install_element(INTERFACE_NODE, &babel_set_hello_interval_cmd); | |
1262 | install_element(INTERFACE_NODE, &babel_set_update_interval_cmd); | |
1263 | install_element(INTERFACE_NODE, &babel_set_rxcost_cmd); | |
1264 | install_element(INTERFACE_NODE, &babel_set_channel_cmd); | |
1265 | install_element(INTERFACE_NODE, &babel_set_rtt_decay_cmd); | |
1266 | install_element(INTERFACE_NODE, &babel_set_rtt_min_cmd); | |
1267 | install_element(INTERFACE_NODE, &babel_set_rtt_max_cmd); | |
1268 | install_element(INTERFACE_NODE, &babel_set_max_rtt_penalty_cmd); | |
1269 | install_element(INTERFACE_NODE, &babel_set_enable_timestamps_cmd); | |
1270 | install_element(INTERFACE_NODE, &no_babel_set_enable_timestamps_cmd); | |
1271 | install_element(INTERFACE_NODE, &babel_set_channel_interfering_cmd); | |
1272 | install_element(INTERFACE_NODE, &babel_set_channel_noninterfering_cmd); | |
1273 | ||
1274 | /* "show babel ..." commands */ | |
1275 | install_element(VIEW_NODE, &show_babel_interface_cmd); | |
1276 | install_element(VIEW_NODE, &show_babel_neighbour_cmd); | |
1277 | install_element(VIEW_NODE, &show_babel_route_cmd); | |
1278 | install_element(VIEW_NODE, &show_babel_route_prefix_cmd); | |
1279 | install_element(VIEW_NODE, &show_babel_route_addr_cmd); | |
1280 | install_element(VIEW_NODE, &show_babel_route_addr6_cmd); | |
1281 | install_element(VIEW_NODE, &show_babel_parameters_cmd); | |
1282 | } | |
1283 | ||
1284 | /* hooks: functions called respectively when struct interface is | |
1285 | created or deleted. */ | |
1286 | static int | |
1287 | babel_if_new_hook (struct interface *ifp) | |
1288 | { | |
1289 | ifp->info = babel_interface_allocate(); | |
1290 | return 0; | |
1291 | } | |
1292 | ||
1293 | static int | |
1294 | babel_if_delete_hook (struct interface *ifp) | |
1295 | { | |
1296 | babel_interface_free(ifp->info); | |
1297 | ifp->info = NULL; | |
1298 | return 0; | |
1299 | } | |
1300 | ||
1301 | /* Output an "interface" section for each of the known interfaces with | |
1302 | babeld-specific statement lines where appropriate. */ | |
1303 | static int | |
1304 | interface_config_write (struct vty *vty) | |
1305 | { | |
f4e14fdb | 1306 | struct vrf *vrf = vrf_lookup_by_id(VRF_DEFAULT); |
ca10883e DS |
1307 | struct interface *ifp; |
1308 | int write = 0; | |
1309 | ||
451fda4f | 1310 | FOR_ALL_INTERFACES (vrf, ifp) { |
788a036f | 1311 | if_vty_config_start(vty, ifp); |
ca10883e | 1312 | if (ifp->desc) |
5c7571d4 | 1313 | vty_out (vty, " description %s\n",ifp->desc); |
ca10883e DS |
1314 | babel_interface_nfo *babel_ifp = babel_get_if_nfo (ifp); |
1315 | /* wireless is the default*/ | |
1316 | if (CHECK_FLAG (babel_ifp->flags, BABEL_IF_WIRED)) | |
1317 | { | |
5c7571d4 | 1318 | vty_out (vty, " babel wired\n"); |
ca10883e DS |
1319 | write++; |
1320 | } | |
1321 | if (babel_ifp->hello_interval != BABEL_DEFAULT_HELLO_INTERVAL) | |
1322 | { | |
5c7571d4 | 1323 | vty_out (vty, " babel hello-interval %u\n", |
96ade3ed | 1324 | babel_ifp->hello_interval); |
ca10883e DS |
1325 | write++; |
1326 | } | |
1327 | if (babel_ifp->update_interval != BABEL_DEFAULT_UPDATE_INTERVAL) | |
1328 | { | |
5c7571d4 | 1329 | vty_out (vty, " babel update-interval %u\n", |
96ade3ed | 1330 | babel_ifp->update_interval); |
ca10883e DS |
1331 | write++; |
1332 | } | |
aa3ba071 AMR |
1333 | if (CHECK_FLAG(babel_ifp->flags, BABEL_IF_TIMESTAMPS)) { |
1334 | vty_out(vty, " babel enable-timestamps\n"); | |
1335 | write++; | |
1336 | } | |
1337 | if (babel_ifp->max_rtt_penalty != BABEL_DEFAULT_MAX_RTT_PENALTY) { | |
1338 | vty_out(vty, " babel max-rtt-penalty %u\n", | |
1339 | babel_ifp->max_rtt_penalty); | |
1340 | write++; | |
1341 | } | |
1342 | if (babel_ifp->rtt_decay != BABEL_DEFAULT_RTT_DECAY) { | |
1343 | vty_out(vty, " babel rtt-decay %u\n", babel_ifp->rtt_decay); | |
1344 | write++; | |
1345 | } | |
1346 | if (babel_ifp->rtt_min != BABEL_DEFAULT_RTT_MIN) { | |
1347 | vty_out(vty, " babel rtt-min %u\n", babel_ifp->rtt_min / 1000); | |
1348 | write++; | |
1349 | } | |
1350 | if (babel_ifp->rtt_max != BABEL_DEFAULT_RTT_MAX) { | |
1351 | vty_out(vty, " babel rtt-max %u\n", babel_ifp->rtt_max / 1000); | |
1352 | write++; | |
1353 | } | |
1354 | /* Some parameters have different defaults for wired/wireless. */ | |
1355 | if (CHECK_FLAG (babel_ifp->flags, BABEL_IF_WIRED)) { | |
ca10883e | 1356 | if (!CHECK_FLAG (babel_ifp->flags, BABEL_IF_SPLIT_HORIZON)) { |
5c7571d4 | 1357 | vty_out (vty, " no babel split-horizon\n"); |
ca10883e DS |
1358 | write++; |
1359 | } | |
1360 | if (babel_ifp->cost != BABEL_DEFAULT_RXCOST_WIRED) { | |
5c7571d4 | 1361 | vty_out (vty, " babel rxcost %u\n", babel_ifp->cost); |
ca10883e DS |
1362 | write++; |
1363 | } | |
1364 | if (babel_ifp->channel == BABEL_IF_CHANNEL_INTERFERING) { | |
5c7571d4 | 1365 | vty_out (vty, " babel channel interfering\n"); |
ca10883e DS |
1366 | write++; |
1367 | } else if(babel_ifp->channel != BABEL_IF_CHANNEL_NONINTERFERING) { | |
5c7571d4 | 1368 | vty_out (vty, " babel channel %d\n",babel_ifp->channel); |
ca10883e DS |
1369 | write++; |
1370 | } | |
1371 | } else { | |
1372 | if (CHECK_FLAG (babel_ifp->flags, BABEL_IF_SPLIT_HORIZON)) { | |
5c7571d4 | 1373 | vty_out (vty, " babel split-horizon\n"); |
ca10883e DS |
1374 | write++; |
1375 | } | |
1376 | if (babel_ifp->cost != BABEL_DEFAULT_RXCOST_WIRELESS) { | |
5c7571d4 | 1377 | vty_out (vty, " babel rxcost %u\n", babel_ifp->cost); |
ca10883e DS |
1378 | write++; |
1379 | } | |
1380 | if (babel_ifp->channel == BABEL_IF_CHANNEL_NONINTERFERING) { | |
5c7571d4 | 1381 | vty_out (vty, " babel channel noninterfering\n"); |
ca10883e DS |
1382 | write++; |
1383 | } else if(babel_ifp->channel != BABEL_IF_CHANNEL_INTERFERING) { | |
5c7571d4 | 1384 | vty_out (vty, " babel channel %d\n",babel_ifp->channel); |
ca10883e DS |
1385 | write++; |
1386 | } | |
1387 | } | |
788a036f | 1388 | if_vty_config_end(vty); |
ca10883e DS |
1389 | write++; |
1390 | } | |
1391 | return write; | |
1392 | } | |
1393 | ||
1394 | /* Output a "network" statement line for each of the enabled interfaces. */ | |
1395 | int | |
1396 | babel_enable_if_config_write (struct vty * vty) | |
1397 | { | |
1398 | unsigned int i, lines = 0; | |
1399 | char *str; | |
1400 | ||
1401 | for (i = 0; i < vector_active (babel_enable_if); i++) | |
1402 | if ((str = vector_slot (babel_enable_if, i)) != NULL) | |
1403 | { | |
5c7571d4 | 1404 | vty_out (vty, " network %s\n", str); |
ca10883e DS |
1405 | lines++; |
1406 | } | |
1407 | return lines; | |
1408 | } | |
1409 | ||
1410 | /* functions to allocate or free memory for a babel_interface_nfo, filling | |
1411 | needed fields */ | |
1412 | static babel_interface_nfo * | |
1413 | babel_interface_allocate (void) | |
1414 | { | |
1415 | babel_interface_nfo *babel_ifp; | |
aa406bbc | 1416 | babel_ifp = XCALLOC(MTYPE_BABEL_IF, sizeof(babel_interface_nfo)); |
ca10883e DS |
1417 | /* All flags are unset */ |
1418 | babel_ifp->bucket_time = babel_now.tv_sec; | |
1419 | babel_ifp->bucket = BUCKET_TOKENS_MAX; | |
5920b3eb | 1420 | babel_ifp->hello_seqno = (frr_weak_random() & 0xFFFF); |
aa3ba071 AMR |
1421 | babel_ifp->rtt_decay = BABEL_DEFAULT_RTT_DECAY; |
1422 | babel_ifp->rtt_min = BABEL_DEFAULT_RTT_MIN; | |
1423 | babel_ifp->rtt_max = BABEL_DEFAULT_RTT_MAX; | |
1424 | babel_ifp->max_rtt_penalty = BABEL_DEFAULT_MAX_RTT_PENALTY; | |
ca10883e DS |
1425 | babel_ifp->hello_interval = BABEL_DEFAULT_HELLO_INTERVAL; |
1426 | babel_ifp->update_interval = BABEL_DEFAULT_UPDATE_INTERVAL; | |
1427 | babel_ifp->channel = BABEL_IF_CHANNEL_INTERFERING; | |
1428 | babel_set_wired_internal(babel_ifp, 0); | |
1429 | ||
1430 | return babel_ifp; | |
1431 | } | |
1432 | ||
1433 | static void | |
1434 | babel_interface_free (babel_interface_nfo *babel_ifp) | |
1435 | { | |
1436 | XFREE(MTYPE_BABEL_IF, babel_ifp); | |
1437 | } |