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718e3744 | 1 | /* Route map function. |
896014f4 DL |
2 | * Copyright (C) 1998, 1999 Kunihiro Ishiguro |
3 | * | |
4 | * This file is part of GNU Zebra. | |
5 | * | |
6 | * GNU Zebra is free software; you can redistribute it and/or modify it | |
7 | * under the terms of the GNU General Public License as published by the | |
8 | * Free Software Foundation; either version 2, or (at your option) any | |
9 | * later version. | |
10 | * | |
11 | * GNU Zebra is distributed in the hope that it will be useful, but | |
12 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | * General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License along | |
17 | * with this program; see the file COPYING; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | */ | |
718e3744 | 20 | |
21 | #include <zebra.h> | |
22 | ||
23 | #include "linklist.h" | |
24 | #include "memory.h" | |
25 | #include "vector.h" | |
26 | #include "prefix.h" | |
82f97584 | 27 | #include "vty.h" |
718e3744 | 28 | #include "routemap.h" |
29 | #include "command.h" | |
fee0f4c6 | 30 | #include "log.h" |
518f0eb1 | 31 | #include "hash.h" |
b85120bc | 32 | #include "libfrr.h" |
040c7c3a | 33 | #include "lib_errors.h" |
49a08bb0 | 34 | #include "table.h" |
6b0655a2 | 35 | |
d62a17ae | 36 | DEFINE_MTYPE_STATIC(LIB, ROUTE_MAP, "Route map") |
37 | DEFINE_MTYPE(LIB, ROUTE_MAP_NAME, "Route map name") | |
38 | DEFINE_MTYPE_STATIC(LIB, ROUTE_MAP_INDEX, "Route map index") | |
39 | DEFINE_MTYPE(LIB, ROUTE_MAP_RULE, "Route map rule") | |
4a1ab8e4 | 40 | DEFINE_MTYPE_STATIC(LIB, ROUTE_MAP_RULE_STR, "Route map rule str") |
d62a17ae | 41 | DEFINE_MTYPE(LIB, ROUTE_MAP_COMPILED, "Route map compiled") |
42 | DEFINE_MTYPE_STATIC(LIB, ROUTE_MAP_DEP, "Route map dependency") | |
e2c8d6ce | 43 | DEFINE_MTYPE_STATIC(LIB, ROUTE_MAP_DEP_DATA, "Route map dependency data") |
4a1ab8e4 | 44 | |
e80e7cce DL |
45 | DEFINE_QOBJ_TYPE(route_map_index) |
46 | DEFINE_QOBJ_TYPE(route_map) | |
47 | ||
49a08bb0 NT |
48 | #define IPv4_PREFIX_LIST "ip address prefix-list" |
49 | #define IPv6_PREFIX_LIST "ipv6 address prefix-list" | |
49a08bb0 | 50 | |
2d26f094 NT |
51 | #define IS_RULE_IPv4_PREFIX_LIST(S) \ |
52 | (strncmp(S, IPv4_PREFIX_LIST, strlen(IPv4_PREFIX_LIST)) == 0) | |
53 | #define IS_RULE_IPv6_PREFIX_LIST(S) \ | |
54 | (strncmp(S, IPv6_PREFIX_LIST, strlen(IPv6_PREFIX_LIST)) == 0) | |
55 | ||
49a08bb0 NT |
56 | struct route_map_pentry_dep { |
57 | struct prefix_list_entry *pentry; | |
58 | const char *plist_name; | |
59 | route_map_event_t event; | |
60 | }; | |
61 | ||
718e3744 | 62 | /* Vector for route match rules. */ |
63 | static vector route_match_vec; | |
64 | ||
65 | /* Vector for route set rules. */ | |
66 | static vector route_set_vec; | |
67 | ||
2d26f094 NT |
68 | static void route_map_pfx_tbl_update(route_map_event_t event, |
69 | struct route_map_index *index, afi_t afi, | |
70 | const char *plist_name); | |
71 | static void route_map_pfx_table_add_default(afi_t afi, | |
72 | struct route_map_index *index); | |
73 | static void route_map_pfx_table_del_default(afi_t afi, | |
74 | struct route_map_index *index); | |
75 | static void route_map_add_plist_entries(afi_t afi, | |
76 | struct route_map_index *index, | |
77 | const char *plist_name, | |
78 | struct prefix_list_entry *entry); | |
79 | static void route_map_del_plist_entries(afi_t afi, | |
80 | struct route_map_index *index, | |
81 | const char *plist_name, | |
82 | struct prefix_list_entry *entry); | |
2d26f094 NT |
83 | |
84 | static struct hash *route_map_get_dep_hash(route_map_event_t event); | |
49a08bb0 | 85 | |
a7282663 | 86 | struct route_map_match_set_hooks rmap_match_set_hook; |
82f97584 DW |
87 | |
88 | /* match interface */ | |
d62a17ae | 89 | void route_map_match_interface_hook(int (*func)( |
90 | struct vty *vty, struct route_map_index *index, const char *command, | |
91 | const char *arg, route_map_event_t type)) | |
82f97584 | 92 | { |
d62a17ae | 93 | rmap_match_set_hook.match_interface = func; |
82f97584 DW |
94 | } |
95 | ||
96 | /* no match interface */ | |
d62a17ae | 97 | void route_map_no_match_interface_hook(int (*func)( |
98 | struct vty *vty, struct route_map_index *index, const char *command, | |
99 | const char *arg, route_map_event_t type)) | |
82f97584 | 100 | { |
d62a17ae | 101 | rmap_match_set_hook.no_match_interface = func; |
82f97584 DW |
102 | } |
103 | ||
104 | /* match ip address */ | |
d62a17ae | 105 | void route_map_match_ip_address_hook(int (*func)( |
106 | struct vty *vty, struct route_map_index *index, const char *command, | |
107 | const char *arg, route_map_event_t type)) | |
82f97584 | 108 | { |
d62a17ae | 109 | rmap_match_set_hook.match_ip_address = func; |
82f97584 DW |
110 | } |
111 | ||
112 | /* no match ip address */ | |
d62a17ae | 113 | void route_map_no_match_ip_address_hook(int (*func)( |
114 | struct vty *vty, struct route_map_index *index, const char *command, | |
115 | const char *arg, route_map_event_t type)) | |
82f97584 | 116 | { |
d62a17ae | 117 | rmap_match_set_hook.no_match_ip_address = func; |
82f97584 DW |
118 | } |
119 | ||
120 | /* match ip address prefix list */ | |
d62a17ae | 121 | void route_map_match_ip_address_prefix_list_hook(int (*func)( |
122 | struct vty *vty, struct route_map_index *index, const char *command, | |
123 | const char *arg, route_map_event_t type)) | |
82f97584 | 124 | { |
d62a17ae | 125 | rmap_match_set_hook.match_ip_address_prefix_list = func; |
82f97584 DW |
126 | } |
127 | ||
128 | /* no match ip address prefix list */ | |
d62a17ae | 129 | void route_map_no_match_ip_address_prefix_list_hook(int (*func)( |
130 | struct vty *vty, struct route_map_index *index, const char *command, | |
131 | const char *arg, route_map_event_t type)) | |
82f97584 | 132 | { |
d62a17ae | 133 | rmap_match_set_hook.no_match_ip_address_prefix_list = func; |
82f97584 DW |
134 | } |
135 | ||
136 | /* match ip next hop */ | |
d62a17ae | 137 | void route_map_match_ip_next_hop_hook(int (*func)( |
138 | struct vty *vty, struct route_map_index *index, const char *command, | |
139 | const char *arg, route_map_event_t type)) | |
82f97584 | 140 | { |
d62a17ae | 141 | rmap_match_set_hook.match_ip_next_hop = func; |
82f97584 DW |
142 | } |
143 | ||
144 | /* no match ip next hop */ | |
d62a17ae | 145 | void route_map_no_match_ip_next_hop_hook(int (*func)( |
146 | struct vty *vty, struct route_map_index *index, const char *command, | |
147 | const char *arg, route_map_event_t type)) | |
82f97584 | 148 | { |
d62a17ae | 149 | rmap_match_set_hook.no_match_ip_next_hop = func; |
82f97584 DW |
150 | } |
151 | ||
152 | /* match ip next hop prefix list */ | |
d62a17ae | 153 | void route_map_match_ip_next_hop_prefix_list_hook(int (*func)( |
154 | struct vty *vty, struct route_map_index *index, const char *command, | |
155 | const char *arg, route_map_event_t type)) | |
82f97584 | 156 | { |
d62a17ae | 157 | rmap_match_set_hook.match_ip_next_hop_prefix_list = func; |
82f97584 DW |
158 | } |
159 | ||
160 | /* no match ip next hop prefix list */ | |
d62a17ae | 161 | void route_map_no_match_ip_next_hop_prefix_list_hook(int (*func)( |
162 | struct vty *vty, struct route_map_index *index, const char *command, | |
163 | const char *arg, route_map_event_t type)) | |
82f97584 | 164 | { |
d62a17ae | 165 | rmap_match_set_hook.no_match_ip_next_hop_prefix_list = func; |
82f97584 DW |
166 | } |
167 | ||
f554fda7 | 168 | /* match ip next-hop type */ |
61ad901e DA |
169 | void route_map_match_ip_next_hop_type_hook(int (*func)( |
170 | struct vty *vty, struct route_map_index *index, const char *command, | |
171 | const char *arg, route_map_event_t type)) | |
172 | { | |
173 | rmap_match_set_hook.match_ip_next_hop_type = func; | |
174 | } | |
175 | ||
f554fda7 | 176 | /* no match ip next-hop type */ |
61ad901e DA |
177 | void route_map_no_match_ip_next_hop_type_hook(int (*func)( |
178 | struct vty *vty, struct route_map_index *index, const char *command, | |
179 | const char *arg, route_map_event_t type)) | |
180 | { | |
181 | rmap_match_set_hook.no_match_ip_next_hop_type = func; | |
182 | } | |
183 | ||
82f97584 | 184 | /* match ipv6 address */ |
d62a17ae | 185 | void route_map_match_ipv6_address_hook(int (*func)( |
186 | struct vty *vty, struct route_map_index *index, const char *command, | |
187 | const char *arg, route_map_event_t type)) | |
82f97584 | 188 | { |
d62a17ae | 189 | rmap_match_set_hook.match_ipv6_address = func; |
82f97584 DW |
190 | } |
191 | ||
192 | /* no match ipv6 address */ | |
d62a17ae | 193 | void route_map_no_match_ipv6_address_hook(int (*func)( |
194 | struct vty *vty, struct route_map_index *index, const char *command, | |
195 | const char *arg, route_map_event_t type)) | |
82f97584 | 196 | { |
d62a17ae | 197 | rmap_match_set_hook.no_match_ipv6_address = func; |
82f97584 DW |
198 | } |
199 | ||
200 | ||
201 | /* match ipv6 address prefix list */ | |
d62a17ae | 202 | void route_map_match_ipv6_address_prefix_list_hook(int (*func)( |
203 | struct vty *vty, struct route_map_index *index, const char *command, | |
204 | const char *arg, route_map_event_t type)) | |
82f97584 | 205 | { |
d62a17ae | 206 | rmap_match_set_hook.match_ipv6_address_prefix_list = func; |
82f97584 DW |
207 | } |
208 | ||
209 | /* no match ipv6 address prefix list */ | |
d62a17ae | 210 | void route_map_no_match_ipv6_address_prefix_list_hook(int (*func)( |
211 | struct vty *vty, struct route_map_index *index, const char *command, | |
212 | const char *arg, route_map_event_t type)) | |
82f97584 | 213 | { |
d62a17ae | 214 | rmap_match_set_hook.no_match_ipv6_address_prefix_list = func; |
82f97584 DW |
215 | } |
216 | ||
61ad901e DA |
217 | /* match ipv6 next-hop type */ |
218 | void route_map_match_ipv6_next_hop_type_hook(int (*func)( | |
219 | struct vty *vty, struct route_map_index *index, const char *command, | |
220 | const char *arg, route_map_event_t type)) | |
221 | { | |
222 | rmap_match_set_hook.match_ipv6_next_hop_type = func; | |
223 | } | |
224 | ||
225 | /* no match ipv6 next-hop type */ | |
226 | void route_map_no_match_ipv6_next_hop_type_hook(int (*func)( | |
227 | struct vty *vty, struct route_map_index *index, const char *command, | |
228 | const char *arg, route_map_event_t type)) | |
229 | { | |
230 | rmap_match_set_hook.no_match_ipv6_next_hop_type = func; | |
231 | } | |
232 | ||
82f97584 | 233 | /* match metric */ |
d62a17ae | 234 | void route_map_match_metric_hook(int (*func)( |
235 | struct vty *vty, struct route_map_index *index, const char *command, | |
236 | const char *arg, route_map_event_t type)) | |
82f97584 | 237 | { |
d62a17ae | 238 | rmap_match_set_hook.match_metric = func; |
82f97584 DW |
239 | } |
240 | ||
241 | /* no match metric */ | |
d62a17ae | 242 | void route_map_no_match_metric_hook(int (*func)( |
243 | struct vty *vty, struct route_map_index *index, const char *command, | |
244 | const char *arg, route_map_event_t type)) | |
82f97584 | 245 | { |
d62a17ae | 246 | rmap_match_set_hook.no_match_metric = func; |
82f97584 DW |
247 | } |
248 | ||
249 | /* match tag */ | |
d62a17ae | 250 | void route_map_match_tag_hook(int (*func)(struct vty *vty, |
251 | struct route_map_index *index, | |
252 | const char *command, const char *arg, | |
253 | route_map_event_t type)) | |
82f97584 | 254 | { |
d62a17ae | 255 | rmap_match_set_hook.match_tag = func; |
82f97584 DW |
256 | } |
257 | ||
258 | /* no match tag */ | |
d62a17ae | 259 | void route_map_no_match_tag_hook(int (*func)( |
260 | struct vty *vty, struct route_map_index *index, const char *command, | |
261 | const char *arg, route_map_event_t type)) | |
82f97584 | 262 | { |
d62a17ae | 263 | rmap_match_set_hook.no_match_tag = func; |
82f97584 DW |
264 | } |
265 | ||
266 | /* set ip nexthop */ | |
d62a17ae | 267 | void route_map_set_ip_nexthop_hook(int (*func)(struct vty *vty, |
268 | struct route_map_index *index, | |
269 | const char *command, | |
270 | const char *arg)) | |
82f97584 | 271 | { |
d62a17ae | 272 | rmap_match_set_hook.set_ip_nexthop = func; |
82f97584 DW |
273 | } |
274 | ||
275 | /* no set ip nexthop */ | |
d62a17ae | 276 | void route_map_no_set_ip_nexthop_hook(int (*func)(struct vty *vty, |
277 | struct route_map_index *index, | |
278 | const char *command, | |
279 | const char *arg)) | |
82f97584 | 280 | { |
d62a17ae | 281 | rmap_match_set_hook.no_set_ip_nexthop = func; |
82f97584 DW |
282 | } |
283 | ||
284 | /* set ipv6 nexthop local */ | |
d62a17ae | 285 | void route_map_set_ipv6_nexthop_local_hook( |
286 | int (*func)(struct vty *vty, struct route_map_index *index, | |
287 | const char *command, const char *arg)) | |
82f97584 | 288 | { |
d62a17ae | 289 | rmap_match_set_hook.set_ipv6_nexthop_local = func; |
82f97584 DW |
290 | } |
291 | ||
292 | /* no set ipv6 nexthop local */ | |
d62a17ae | 293 | void route_map_no_set_ipv6_nexthop_local_hook( |
294 | int (*func)(struct vty *vty, struct route_map_index *index, | |
295 | const char *command, const char *arg)) | |
82f97584 | 296 | { |
d62a17ae | 297 | rmap_match_set_hook.no_set_ipv6_nexthop_local = func; |
82f97584 DW |
298 | } |
299 | ||
300 | /* set metric */ | |
d62a17ae | 301 | void route_map_set_metric_hook(int (*func)(struct vty *vty, |
302 | struct route_map_index *index, | |
303 | const char *command, | |
304 | const char *arg)) | |
82f97584 | 305 | { |
d62a17ae | 306 | rmap_match_set_hook.set_metric = func; |
82f97584 DW |
307 | } |
308 | ||
309 | /* no set metric */ | |
d62a17ae | 310 | void route_map_no_set_metric_hook(int (*func)(struct vty *vty, |
311 | struct route_map_index *index, | |
312 | const char *command, | |
313 | const char *arg)) | |
82f97584 | 314 | { |
d62a17ae | 315 | rmap_match_set_hook.no_set_metric = func; |
82f97584 DW |
316 | } |
317 | ||
318 | /* set tag */ | |
d62a17ae | 319 | void route_map_set_tag_hook(int (*func)(struct vty *vty, |
320 | struct route_map_index *index, | |
321 | const char *command, const char *arg)) | |
82f97584 | 322 | { |
d62a17ae | 323 | rmap_match_set_hook.set_tag = func; |
82f97584 DW |
324 | } |
325 | ||
326 | /* no set tag */ | |
d62a17ae | 327 | void route_map_no_set_tag_hook(int (*func)(struct vty *vty, |
328 | struct route_map_index *index, | |
329 | const char *command, | |
330 | const char *arg)) | |
331 | { | |
332 | rmap_match_set_hook.no_set_tag = func; | |
82f97584 DW |
333 | } |
334 | ||
d62a17ae | 335 | int generic_match_add(struct vty *vty, struct route_map_index *index, |
336 | const char *command, const char *arg, | |
337 | route_map_event_t type) | |
338 | { | |
cda7187d | 339 | enum rmap_compile_rets ret; |
d62a17ae | 340 | |
e2c8d6ce | 341 | ret = route_map_add_match(index, command, arg, type); |
9ca25fed | 342 | switch (ret) { |
9ca25fed | 343 | case RMAP_RULE_MISSING: |
a162869e RZ |
344 | if (vty) |
345 | vty_out(vty, "%% [%s] Can't find rule.\n", | |
346 | frr_protonameinst); | |
347 | else | |
348 | zlog_warn("Can't find rule: %s", command); | |
9ca25fed | 349 | return CMD_WARNING_CONFIG_FAILED; |
9ca25fed | 350 | case RMAP_COMPILE_ERROR: |
a162869e RZ |
351 | if (vty) |
352 | vty_out(vty, | |
353 | "%% [%s] Argument form is unsupported or malformed.\n", | |
354 | frr_protonameinst); | |
355 | else | |
3efd0893 | 356 | zlog_warn("Argument form is unsupported or malformed: %s %s", command, arg); |
9ca25fed | 357 | return CMD_WARNING_CONFIG_FAILED; |
909f3d56 | 358 | case RMAP_COMPILE_SUCCESS: |
cda7187d DS |
359 | /* |
360 | * Nothing to do here move along | |
361 | */ | |
362 | break; | |
d62a17ae | 363 | } |
82f97584 | 364 | |
d62a17ae | 365 | return CMD_SUCCESS; |
366 | } | |
367 | ||
368 | int generic_match_delete(struct vty *vty, struct route_map_index *index, | |
369 | const char *command, const char *arg, | |
370 | route_map_event_t type) | |
371 | { | |
cda7187d | 372 | enum rmap_compile_rets ret; |
9ca25fed | 373 | int retval = CMD_SUCCESS; |
d62a17ae | 374 | char *dep_name = NULL; |
375 | const char *tmpstr; | |
376 | char *rmap_name = NULL; | |
377 | ||
378 | if (type != RMAP_EVENT_MATCH_DELETED) { | |
379 | /* ignore the mundane, the types without any dependency */ | |
380 | if (arg == NULL) { | |
381 | if ((tmpstr = route_map_get_match_arg(index, command)) | |
382 | != NULL) | |
383 | dep_name = | |
384 | XSTRDUP(MTYPE_ROUTE_MAP_RULE, tmpstr); | |
385 | } else { | |
386 | dep_name = XSTRDUP(MTYPE_ROUTE_MAP_RULE, arg); | |
387 | } | |
388 | rmap_name = XSTRDUP(MTYPE_ROUTE_MAP_NAME, index->map->name); | |
389 | } | |
390 | ||
909f3d56 | 391 | ret = route_map_delete_match(index, command, dep_name, type); |
9ca25fed DS |
392 | switch (ret) { |
393 | case RMAP_RULE_MISSING: | |
a162869e RZ |
394 | if (vty) |
395 | vty_out(vty, "%% [%s] Can't find rule.\n", | |
396 | frr_protonameinst); | |
397 | else | |
398 | zlog_warn("Can't find rule: %s", command); | |
9ca25fed DS |
399 | retval = CMD_WARNING_CONFIG_FAILED; |
400 | break; | |
401 | case RMAP_COMPILE_ERROR: | |
a162869e RZ |
402 | if (vty) |
403 | vty_out(vty, | |
404 | "%% [%s] Argument form is unsupported or malformed.\n", | |
405 | frr_protonameinst); | |
406 | else | |
3efd0893 | 407 | zlog_warn("Argument form is unsupported or malformed: %s %s", command, arg); |
9ca25fed DS |
408 | retval = CMD_WARNING_CONFIG_FAILED; |
409 | break; | |
410 | case RMAP_COMPILE_SUCCESS: | |
cda7187d DS |
411 | /* |
412 | * Nothing to do here | |
413 | */ | |
414 | break; | |
d62a17ae | 415 | } |
416 | ||
0a22ddfb QY |
417 | XFREE(MTYPE_ROUTE_MAP_RULE, dep_name); |
418 | XFREE(MTYPE_ROUTE_MAP_NAME, rmap_name); | |
d62a17ae | 419 | |
9ca25fed | 420 | return retval; |
d62a17ae | 421 | } |
422 | ||
423 | int generic_set_add(struct vty *vty, struct route_map_index *index, | |
424 | const char *command, const char *arg) | |
718e3744 | 425 | { |
cda7187d | 426 | enum rmap_compile_rets ret; |
d62a17ae | 427 | |
428 | ret = route_map_add_set(index, command, arg); | |
9ca25fed DS |
429 | switch (ret) { |
430 | case RMAP_RULE_MISSING: | |
a162869e RZ |
431 | if (vty) |
432 | vty_out(vty, "%% [%s] Can't find rule.\n", frr_protonameinst); | |
433 | else | |
434 | zlog_warn("Can't find rule: %s", command); | |
9ca25fed | 435 | return CMD_WARNING_CONFIG_FAILED; |
9ca25fed | 436 | case RMAP_COMPILE_ERROR: |
a162869e RZ |
437 | if (vty) |
438 | vty_out(vty, | |
439 | "%% [%s] Argument form is unsupported or malformed.\n", | |
440 | frr_protonameinst); | |
441 | else | |
3efd0893 | 442 | zlog_warn("Argument form is unsupported or malformed: %s %s", command, arg); |
9ca25fed | 443 | return CMD_WARNING_CONFIG_FAILED; |
9ca25fed DS |
444 | case RMAP_COMPILE_SUCCESS: |
445 | break; | |
d62a17ae | 446 | } |
9ca25fed | 447 | |
d62a17ae | 448 | return CMD_SUCCESS; |
449 | } | |
450 | ||
451 | int generic_set_delete(struct vty *vty, struct route_map_index *index, | |
452 | const char *command, const char *arg) | |
453 | { | |
cda7187d | 454 | enum rmap_compile_rets ret; |
d62a17ae | 455 | |
456 | ret = route_map_delete_set(index, command, arg); | |
9ca25fed DS |
457 | switch (ret) { |
458 | case RMAP_RULE_MISSING: | |
a162869e RZ |
459 | if (vty) |
460 | vty_out(vty, "%% [%s] Can't find rule.\n", frr_protonameinst); | |
461 | else | |
462 | zlog_warn("Can't find rule: %s", command); | |
9ca25fed | 463 | return CMD_WARNING_CONFIG_FAILED; |
9ca25fed | 464 | case RMAP_COMPILE_ERROR: |
a162869e RZ |
465 | if (vty) |
466 | vty_out(vty, | |
467 | "%% [%s] Argument form is unsupported or malformed.\n", | |
468 | frr_protonameinst); | |
469 | else | |
3efd0893 | 470 | zlog_warn("Argument form is unsupported or malformed: %s %s", command, arg); |
9ca25fed | 471 | return CMD_WARNING_CONFIG_FAILED; |
9ca25fed DS |
472 | case RMAP_COMPILE_SUCCESS: |
473 | break; | |
d62a17ae | 474 | } |
9ca25fed | 475 | |
d62a17ae | 476 | return CMD_SUCCESS; |
477 | } | |
478 | ||
479 | ||
718e3744 | 480 | /* Master list of route map. */ |
a7282663 RZ |
481 | struct route_map_list route_map_master = {NULL, NULL, NULL, NULL, NULL}; |
482 | struct hash *route_map_master_hash = NULL; | |
a6e0d253 | 483 | |
d8b87afe | 484 | static unsigned int route_map_hash_key_make(const void *p) |
a6e0d253 | 485 | { |
d62a17ae | 486 | const struct route_map *map = p; |
487 | return string_hash_make(map->name); | |
a6e0d253 DW |
488 | } |
489 | ||
74df8d6d | 490 | static bool route_map_hash_cmp(const void *p1, const void *p2) |
a6e0d253 | 491 | { |
d62a17ae | 492 | const struct route_map *map1 = p1; |
493 | const struct route_map *map2 = p2; | |
a6e0d253 | 494 | |
d62a17ae | 495 | if (map1->deleted == map2->deleted) { |
496 | if (map1->name && map2->name) { | |
497 | if (!strcmp(map1->name, map2->name)) { | |
74df8d6d | 498 | return true; |
d62a17ae | 499 | } |
500 | } else if (!map1->name && !map2->name) { | |
74df8d6d | 501 | return true; |
d62a17ae | 502 | } |
503 | } | |
a6e0d253 | 504 | |
74df8d6d | 505 | return false; |
a6e0d253 | 506 | } |
518f0eb1 | 507 | |
d62a17ae | 508 | enum route_map_upd8_type { |
509 | ROUTE_MAP_ADD = 1, | |
510 | ROUTE_MAP_DEL, | |
511 | }; | |
518f0eb1 DS |
512 | |
513 | /* all possible route-map dependency types */ | |
d62a17ae | 514 | enum route_map_dep_type { |
515 | ROUTE_MAP_DEP_RMAP = 1, | |
516 | ROUTE_MAP_DEP_CLIST, | |
517 | ROUTE_MAP_DEP_ECLIST, | |
518 | ROUTE_MAP_DEP_LCLIST, | |
519 | ROUTE_MAP_DEP_PLIST, | |
520 | ROUTE_MAP_DEP_ASPATH, | |
521 | ROUTE_MAP_DEP_FILTER, | |
522 | ROUTE_MAP_DEP_MAX, | |
523 | }; | |
524 | ||
525 | struct route_map_dep { | |
526 | char *dep_name; | |
527 | struct hash *dep_rmap_hash; | |
528 | struct hash *this_hash; /* ptr to the hash structure this is part of */ | |
518f0eb1 | 529 | }; |
718e3744 | 530 | |
e2c8d6ce NT |
531 | struct route_map_dep_data { |
532 | /* Route-map name. | |
533 | */ | |
534 | char *rname; | |
535 | /* Count of number of sequences of this | |
536 | * route-map that depend on the same entity. | |
537 | */ | |
538 | uint16_t refcnt; | |
539 | }; | |
540 | ||
518f0eb1 | 541 | /* Hashes maintaining dependency between various sublists used by route maps */ |
1b3e9a21 | 542 | static struct hash *route_map_dep_hash[ROUTE_MAP_DEP_MAX]; |
518f0eb1 | 543 | |
d8b87afe | 544 | static unsigned int route_map_dep_hash_make_key(const void *p); |
d62a17ae | 545 | static void route_map_clear_all_references(char *rmap_name); |
546 | static void route_map_rule_delete(struct route_map_rule_list *, | |
547 | struct route_map_rule *); | |
e3ab8170 | 548 | static bool rmap_debug; |
718e3744 | 549 | |
718e3744 | 550 | /* New route map allocation. Please note route map's name must be |
551 | specified. */ | |
d62a17ae | 552 | static struct route_map *route_map_new(const char *name) |
718e3744 | 553 | { |
d62a17ae | 554 | struct route_map *new; |
718e3744 | 555 | |
d62a17ae | 556 | new = XCALLOC(MTYPE_ROUTE_MAP, sizeof(struct route_map)); |
557 | new->name = XSTRDUP(MTYPE_ROUTE_MAP_NAME, name); | |
558 | QOBJ_REG(new, route_map); | |
559 | return new; | |
718e3744 | 560 | } |
561 | ||
562 | /* Add new name to route_map. */ | |
d62a17ae | 563 | static struct route_map *route_map_add(const char *name) |
564 | { | |
565 | struct route_map *map; | |
566 | struct route_map_list *list; | |
567 | ||
568 | map = route_map_new(name); | |
569 | list = &route_map_master; | |
570 | ||
571 | /* Add map to the hash */ | |
572 | hash_get(route_map_master_hash, map, hash_alloc_intern); | |
573 | ||
574 | /* Add new entry to the head of the list to match how it is added in the | |
575 | * hash table. This is to ensure that if the same route-map has been | |
576 | * created more than once and then marked for deletion (which can happen | |
577 | * if prior deletions haven't completed as BGP hasn't yet done the | |
578 | * route-map processing), the order of the entities is the same in both | |
579 | * the list and the hash table. Otherwise, since there is nothing to | |
580 | * distinguish between the two entries, the wrong entry could get freed. | |
581 | * TODO: This needs to be re-examined to handle it better - e.g., revive | |
582 | * a deleted entry if the route-map is created again. | |
583 | */ | |
584 | map->prev = NULL; | |
585 | map->next = list->head; | |
586 | if (list->head) | |
587 | list->head->prev = map; | |
588 | list->head = map; | |
589 | if (!list->tail) | |
590 | list->tail = map; | |
591 | ||
592 | /* Execute hook. */ | |
593 | if (route_map_master.add_hook) { | |
594 | (*route_map_master.add_hook)(name); | |
595 | route_map_notify_dependencies(name, RMAP_EVENT_CALL_ADDED); | |
596 | } | |
e3ab8170 | 597 | |
49a08bb0 NT |
598 | if (!map->ipv4_prefix_table) |
599 | map->ipv4_prefix_table = route_table_init(); | |
600 | ||
601 | if (!map->ipv6_prefix_table) | |
602 | map->ipv6_prefix_table = route_table_init(); | |
603 | ||
e3ab8170 AD |
604 | if (rmap_debug) |
605 | zlog_debug("Add route-map %s", name); | |
d62a17ae | 606 | return map; |
718e3744 | 607 | } |
608 | ||
518f0eb1 DS |
609 | /* this is supposed to be called post processing by |
610 | * the delete hook function. Don't invoke delete_hook | |
611 | * again in this routine. | |
612 | */ | |
d62a17ae | 613 | static void route_map_free_map(struct route_map *map) |
718e3744 | 614 | { |
d62a17ae | 615 | struct route_map_list *list; |
616 | struct route_map_index *index; | |
518f0eb1 | 617 | |
d62a17ae | 618 | if (map == NULL) |
619 | return; | |
a31ff449 | 620 | |
d62a17ae | 621 | while ((index = map->head) != NULL) |
622 | route_map_index_delete(index, 0); | |
718e3744 | 623 | |
e3ab8170 AD |
624 | if (rmap_debug) |
625 | zlog_debug("Deleting route-map %s", map->name); | |
626 | ||
d62a17ae | 627 | list = &route_map_master; |
718e3744 | 628 | |
d62a17ae | 629 | QOBJ_UNREG(map); |
e80e7cce | 630 | |
d62a17ae | 631 | if (map->next) |
632 | map->next->prev = map->prev; | |
633 | else | |
634 | list->tail = map->prev; | |
718e3744 | 635 | |
d62a17ae | 636 | if (map->prev) |
637 | map->prev->next = map->next; | |
638 | else | |
639 | list->head = map->next; | |
718e3744 | 640 | |
d62a17ae | 641 | hash_release(route_map_master_hash, map); |
642 | XFREE(MTYPE_ROUTE_MAP_NAME, map->name); | |
643 | XFREE(MTYPE_ROUTE_MAP, map); | |
518f0eb1 | 644 | } |
718e3744 | 645 | |
518f0eb1 | 646 | /* Route map delete from list. */ |
a7282663 | 647 | void route_map_delete(struct route_map *map) |
518f0eb1 | 648 | { |
d62a17ae | 649 | struct route_map_index *index; |
650 | char *name; | |
518f0eb1 | 651 | |
d62a17ae | 652 | while ((index = map->head) != NULL) |
653 | route_map_index_delete(index, 0); | |
518f0eb1 | 654 | |
d62a17ae | 655 | name = map->name; |
656 | map->head = NULL; | |
518f0eb1 | 657 | |
d62a17ae | 658 | /* Clear all dependencies */ |
659 | route_map_clear_all_references(name); | |
e4694d0d | 660 | map->deleted = true; |
d62a17ae | 661 | /* Execute deletion hook. */ |
662 | if (route_map_master.delete_hook) { | |
663 | (*route_map_master.delete_hook)(name); | |
664 | route_map_notify_dependencies(name, RMAP_EVENT_CALL_DELETED); | |
665 | } | |
718e3744 | 666 | |
d62a17ae | 667 | if (!map->to_be_processed) { |
668 | route_map_free_map(map); | |
669 | } | |
718e3744 | 670 | } |
671 | ||
672 | /* Lookup route map by route map name string. */ | |
d62a17ae | 673 | struct route_map *route_map_lookup_by_name(const char *name) |
718e3744 | 674 | { |
d62a17ae | 675 | struct route_map *map; |
676 | struct route_map tmp_map; | |
718e3744 | 677 | |
d62a17ae | 678 | if (!name) |
679 | return NULL; | |
518f0eb1 | 680 | |
d62a17ae | 681 | // map.deleted is 0 via memset |
682 | memset(&tmp_map, 0, sizeof(struct route_map)); | |
683 | tmp_map.name = XSTRDUP(MTYPE_ROUTE_MAP_NAME, name); | |
684 | map = hash_lookup(route_map_master_hash, &tmp_map); | |
685 | XFREE(MTYPE_ROUTE_MAP_NAME, tmp_map.name); | |
686 | return map; | |
718e3744 | 687 | } |
688 | ||
1de27621 DA |
689 | /* Simple helper to warn if route-map does not exist. */ |
690 | struct route_map *route_map_lookup_warn_noexist(struct vty *vty, const char *name) | |
691 | { | |
692 | struct route_map *route_map = route_map_lookup_by_name(name); | |
693 | ||
694 | if (!route_map) | |
695 | if (vty_shell_serv(vty)) | |
696 | vty_out(vty, "The route-map '%s' does not exist.\n", name); | |
697 | ||
698 | return route_map; | |
699 | } | |
700 | ||
7096e938 | 701 | int route_map_mark_updated(const char *name) |
518f0eb1 | 702 | { |
d62a17ae | 703 | struct route_map *map; |
704 | int ret = -1; | |
705 | struct route_map tmp_map; | |
518f0eb1 | 706 | |
d62a17ae | 707 | if (!name) |
708 | return (ret); | |
a6e0d253 | 709 | |
d62a17ae | 710 | map = route_map_lookup_by_name(name); |
a6e0d253 | 711 | |
e4694d0d DS |
712 | /* If we did not find the routemap with deleted=false try again |
713 | * with deleted=true | |
d62a17ae | 714 | */ |
715 | if (!map) { | |
716 | memset(&tmp_map, 0, sizeof(struct route_map)); | |
717 | tmp_map.name = XSTRDUP(MTYPE_ROUTE_MAP_NAME, name); | |
e4694d0d | 718 | tmp_map.deleted = true; |
d62a17ae | 719 | map = hash_lookup(route_map_master_hash, &tmp_map); |
720 | XFREE(MTYPE_ROUTE_MAP_NAME, tmp_map.name); | |
721 | } | |
a6e0d253 | 722 | |
d62a17ae | 723 | if (map) { |
e4694d0d | 724 | map->to_be_processed = true; |
d62a17ae | 725 | ret = 0; |
726 | } | |
518f0eb1 | 727 | |
d62a17ae | 728 | return (ret); |
518f0eb1 DS |
729 | } |
730 | ||
69f02720 | 731 | static int route_map_clear_updated(struct route_map *map) |
518f0eb1 | 732 | { |
d62a17ae | 733 | int ret = -1; |
518f0eb1 | 734 | |
d62a17ae | 735 | if (map) { |
e4694d0d | 736 | map->to_be_processed = false; |
d62a17ae | 737 | if (map->deleted) |
738 | route_map_free_map(map); | |
739 | } | |
518f0eb1 | 740 | |
d62a17ae | 741 | return (ret); |
518f0eb1 DS |
742 | } |
743 | ||
718e3744 | 744 | /* Lookup route map. If there isn't route map create one and return |
745 | it. */ | |
a7282663 | 746 | struct route_map *route_map_get(const char *name) |
718e3744 | 747 | { |
d62a17ae | 748 | struct route_map *map; |
718e3744 | 749 | |
d62a17ae | 750 | map = route_map_lookup_by_name(name); |
751 | if (map == NULL) | |
752 | map = route_map_add(name); | |
518f0eb1 | 753 | |
d62a17ae | 754 | return map; |
718e3744 | 755 | } |
756 | ||
46a69f10 | 757 | void route_map_walk_update_list(void (*route_map_update_fn)(char *name)) |
518f0eb1 | 758 | { |
d62a17ae | 759 | struct route_map *node; |
760 | struct route_map *nnode = NULL; | |
518f0eb1 | 761 | |
d62a17ae | 762 | for (node = route_map_master.head; node; node = nnode) { |
763 | if (node->to_be_processed) { | |
764 | /* DD: Should we add any thread yield code here */ | |
765 | route_map_update_fn(node->name); | |
766 | nnode = node->next; | |
767 | route_map_clear_updated(node); | |
768 | } else | |
769 | nnode = node->next; | |
518f0eb1 | 770 | } |
518f0eb1 DS |
771 | } |
772 | ||
718e3744 | 773 | /* Return route map's type string. */ |
d62a17ae | 774 | static const char *route_map_type_str(enum route_map_type type) |
775 | { | |
776 | switch (type) { | |
777 | case RMAP_PERMIT: | |
778 | return "permit"; | |
d62a17ae | 779 | case RMAP_DENY: |
780 | return "deny"; | |
ba1707ca | 781 | case RMAP_ANY: |
d62a17ae | 782 | return ""; |
d62a17ae | 783 | } |
4255dbe9 DS |
784 | |
785 | return ""; | |
718e3744 | 786 | } |
787 | ||
b68885f9 | 788 | static const char *route_map_cmd_result_str(enum route_map_cmd_result_t res) |
e3ab8170 AD |
789 | { |
790 | switch (res) { | |
791 | case RMAP_MATCH: | |
792 | return "match"; | |
e3ab8170 AD |
793 | case RMAP_NOMATCH: |
794 | return "no match"; | |
b68885f9 LK |
795 | case RMAP_NOOP: |
796 | return "noop"; | |
e3ab8170 AD |
797 | case RMAP_ERROR: |
798 | return "error"; | |
799 | case RMAP_OKAY: | |
800 | return "okay"; | |
801 | } | |
802 | ||
803 | return "invalid"; | |
804 | } | |
805 | ||
b68885f9 LK |
806 | static const char *route_map_result_str(route_map_result_t res) |
807 | { | |
808 | switch (res) { | |
809 | case RMAP_DENYMATCH: | |
810 | return "deny"; | |
811 | case RMAP_PERMITMATCH: | |
812 | return "permit"; | |
813 | } | |
814 | ||
815 | return "invalid"; | |
816 | } | |
817 | ||
5510e83b | 818 | /* show route-map */ |
d62a17ae | 819 | static void vty_show_route_map_entry(struct vty *vty, struct route_map *map) |
820 | { | |
821 | struct route_map_index *index; | |
822 | struct route_map_rule *rule; | |
823 | ||
49a08bb0 NT |
824 | vty_out(vty, "route-map: %s Invoked: %" PRIu64 " Optimization: %s\n", |
825 | map->name, map->applied - map->applied_clear, | |
826 | map->optimization_disabled ? "disabled" : "enabled"); | |
d62a17ae | 827 | |
828 | for (index = map->head; index; index = index->next) { | |
279b0607 DS |
829 | vty_out(vty, " %s, sequence %d Invoked %" PRIu64 "\n", |
830 | route_map_type_str(index->type), index->pref, | |
1fa30509 | 831 | index->applied - index->applied_clear); |
d62a17ae | 832 | |
833 | /* Description */ | |
834 | if (index->description) | |
835 | vty_out(vty, " Description:\n %s\n", | |
836 | index->description); | |
837 | ||
838 | /* Match clauses */ | |
839 | vty_out(vty, " Match clauses:\n"); | |
840 | for (rule = index->match_list.head; rule; rule = rule->next) | |
841 | vty_out(vty, " %s %s\n", rule->cmd->str, | |
842 | rule->rule_str); | |
843 | ||
844 | vty_out(vty, " Set clauses:\n"); | |
845 | for (rule = index->set_list.head; rule; rule = rule->next) | |
846 | vty_out(vty, " %s %s\n", rule->cmd->str, | |
847 | rule->rule_str); | |
848 | ||
849 | /* Call clause */ | |
850 | vty_out(vty, " Call clause:\n"); | |
851 | if (index->nextrm) | |
852 | vty_out(vty, " Call %s\n", index->nextrm); | |
853 | ||
854 | /* Exit Policy */ | |
855 | vty_out(vty, " Action:\n"); | |
856 | if (index->exitpolicy == RMAP_GOTO) | |
857 | vty_out(vty, " Goto %d\n", index->nextpref); | |
858 | else if (index->exitpolicy == RMAP_NEXT) | |
859 | vty_out(vty, " Continue to next entry\n"); | |
860 | else if (index->exitpolicy == RMAP_EXIT) | |
861 | vty_out(vty, " Exit routemap\n"); | |
862 | } | |
863 | } | |
864 | ||
78b1bb5f QY |
865 | static int sort_route_map(const void **map1, const void **map2) |
866 | { | |
867 | const struct route_map *m1 = *map1; | |
868 | const struct route_map *m2 = *map2; | |
869 | ||
870 | return strcmp(m1->name, m2->name); | |
871 | } | |
872 | ||
d62a17ae | 873 | static int vty_show_route_map(struct vty *vty, const char *name) |
874 | { | |
875 | struct route_map *map; | |
876 | ||
279b0607 DS |
877 | vty_out(vty, "%s:\n", frr_protonameinst); |
878 | ||
d62a17ae | 879 | if (name) { |
880 | map = route_map_lookup_by_name(name); | |
881 | ||
882 | if (map) { | |
883 | vty_show_route_map_entry(vty, map); | |
884 | return CMD_SUCCESS; | |
885 | } else { | |
886 | vty_out(vty, "%s: 'route-map %s' not found\n", | |
887 | frr_protonameinst, name); | |
888 | return CMD_SUCCESS; | |
889 | } | |
890 | } else { | |
78b1bb5f QY |
891 | |
892 | struct list *maplist = list_new(); | |
893 | struct listnode *ln; | |
894 | ||
d62a17ae | 895 | for (map = route_map_master.head; map; map = map->next) |
78b1bb5f QY |
896 | listnode_add(maplist, map); |
897 | ||
898 | list_sort(maplist, sort_route_map); | |
899 | ||
900 | for (ALL_LIST_ELEMENTS_RO(maplist, ln, map)) | |
901 | vty_show_route_map_entry(vty, map); | |
902 | ||
6a154c88 | 903 | list_delete(&maplist); |
d62a17ae | 904 | } |
905 | return CMD_SUCCESS; | |
5510e83b | 906 | } |
907 | ||
4a2a09d0 | 908 | /* Unused route map details */ |
909 | static int vty_show_unused_route_map(struct vty *vty) | |
910 | { | |
911 | struct list *maplist = list_new(); | |
912 | struct listnode *ln; | |
913 | struct route_map *map; | |
914 | ||
915 | for (map = route_map_master.head; map; map = map->next) { | |
916 | /* If use_count is zero, No protocol is using this routemap. | |
917 | * so adding to the list. | |
918 | */ | |
919 | if (!map->use_count) | |
920 | listnode_add(maplist, map); | |
921 | } | |
922 | ||
923 | if (maplist->count > 0) { | |
924 | vty_out(vty, "\n%s:\n", frr_protonameinst); | |
925 | list_sort(maplist, sort_route_map); | |
926 | ||
927 | for (ALL_LIST_ELEMENTS_RO(maplist, ln, map)) | |
928 | vty_show_route_map_entry(vty, map); | |
929 | } else { | |
930 | vty_out(vty, "\n%s: None\n", frr_protonameinst); | |
931 | } | |
932 | ||
933 | list_delete(&maplist); | |
934 | return CMD_SUCCESS; | |
935 | } | |
5510e83b | 936 | |
718e3744 | 937 | /* New route map allocation. Please note route map's name must be |
938 | specified. */ | |
d62a17ae | 939 | static struct route_map_index *route_map_index_new(void) |
718e3744 | 940 | { |
d62a17ae | 941 | struct route_map_index *new; |
718e3744 | 942 | |
d62a17ae | 943 | new = XCALLOC(MTYPE_ROUTE_MAP_INDEX, sizeof(struct route_map_index)); |
944 | new->exitpolicy = RMAP_EXIT; /* Default to Cisco-style */ | |
54a35ff4 | 945 | TAILQ_INIT(&new->rhclist); |
d62a17ae | 946 | QOBJ_REG(new, route_map_index); |
947 | return new; | |
718e3744 | 948 | } |
949 | ||
950 | /* Free route map index. */ | |
a7282663 | 951 | void route_map_index_delete(struct route_map_index *index, int notify) |
718e3744 | 952 | { |
1c4eca64 | 953 | struct routemap_hook_context *rhc; |
d62a17ae | 954 | struct route_map_rule *rule; |
718e3744 | 955 | |
d62a17ae | 956 | QOBJ_UNREG(index); |
e80e7cce | 957 | |
e3ab8170 AD |
958 | if (rmap_debug) |
959 | zlog_debug("Deleting route-map %s sequence %d", | |
960 | index->map->name, index->pref); | |
961 | ||
f0951335 RZ |
962 | /* Free route map entry description. */ |
963 | XFREE(MTYPE_TMP, index->description); | |
964 | ||
54a35ff4 | 965 | /* Free route map northbound hook contexts. */ |
1c4eca64 RZ |
966 | while ((rhc = TAILQ_FIRST(&index->rhclist)) != NULL) |
967 | routemap_hook_context_free(rhc); | |
54a35ff4 | 968 | |
d62a17ae | 969 | /* Free route match. */ |
49a08bb0 | 970 | while ((rule = index->match_list.head) != NULL) { |
819a23f9 | 971 | if (IS_RULE_IPv4_PREFIX_LIST(rule->cmd->str)) |
2d26f094 NT |
972 | route_map_pfx_tbl_update(RMAP_EVENT_PLIST_DELETED, |
973 | index, AFI_IP, rule->rule_str); | |
819a23f9 | 974 | else if (IS_RULE_IPv6_PREFIX_LIST(rule->cmd->str)) |
2d26f094 NT |
975 | route_map_pfx_tbl_update(RMAP_EVENT_PLIST_DELETED, |
976 | index, AFI_IP6, | |
977 | rule->rule_str); | |
49a08bb0 | 978 | |
d62a17ae | 979 | route_map_rule_delete(&index->match_list, rule); |
49a08bb0 | 980 | } |
718e3744 | 981 | |
d62a17ae | 982 | /* Free route set. */ |
983 | while ((rule = index->set_list.head) != NULL) | |
984 | route_map_rule_delete(&index->set_list, rule); | |
718e3744 | 985 | |
d62a17ae | 986 | /* Remove index from route map list. */ |
987 | if (index->next) | |
988 | index->next->prev = index->prev; | |
989 | else | |
990 | index->map->tail = index->prev; | |
718e3744 | 991 | |
d62a17ae | 992 | if (index->prev) |
993 | index->prev->next = index->next; | |
994 | else | |
995 | index->map->head = index->next; | |
718e3744 | 996 | |
d62a17ae | 997 | /* Free 'char *nextrm' if not NULL */ |
0a22ddfb | 998 | XFREE(MTYPE_ROUTE_MAP_NAME, index->nextrm); |
fee0f4c6 | 999 | |
2d26f094 | 1000 | route_map_pfx_tbl_update(RMAP_EVENT_INDEX_DELETED, index, 0, NULL); |
49a08bb0 | 1001 | |
d62a17ae | 1002 | /* Execute event hook. */ |
1003 | if (route_map_master.event_hook && notify) { | |
097b5973 | 1004 | (*route_map_master.event_hook)(index->map->name); |
d62a17ae | 1005 | route_map_notify_dependencies(index->map->name, |
1006 | RMAP_EVENT_CALL_ADDED); | |
1007 | } | |
1008 | XFREE(MTYPE_ROUTE_MAP_INDEX, index); | |
718e3744 | 1009 | } |
1010 | ||
1011 | /* Lookup index from route map. */ | |
d62a17ae | 1012 | static struct route_map_index *route_map_index_lookup(struct route_map *map, |
1013 | enum route_map_type type, | |
1014 | int pref) | |
718e3744 | 1015 | { |
d62a17ae | 1016 | struct route_map_index *index; |
718e3744 | 1017 | |
d62a17ae | 1018 | for (index = map->head; index; index = index->next) |
1019 | if ((index->type == type || type == RMAP_ANY) | |
1020 | && index->pref == pref) | |
1021 | return index; | |
1022 | return NULL; | |
718e3744 | 1023 | } |
1024 | ||
1025 | /* Add new index to route map. */ | |
8cc4198f | 1026 | static struct route_map_index * |
d62a17ae | 1027 | route_map_index_add(struct route_map *map, enum route_map_type type, int pref) |
1028 | { | |
1029 | struct route_map_index *index; | |
1030 | struct route_map_index *point; | |
1031 | ||
1032 | /* Allocate new route map inex. */ | |
1033 | index = route_map_index_new(); | |
1034 | index->map = map; | |
1035 | index->type = type; | |
1036 | index->pref = pref; | |
1037 | ||
1038 | /* Compare preference. */ | |
1039 | for (point = map->head; point; point = point->next) | |
1040 | if (point->pref >= pref) | |
1041 | break; | |
1042 | ||
1043 | if (map->head == NULL) { | |
1044 | map->head = map->tail = index; | |
1045 | } else if (point == NULL) { | |
1046 | index->prev = map->tail; | |
1047 | map->tail->next = index; | |
1048 | map->tail = index; | |
1049 | } else if (point == map->head) { | |
1050 | index->next = map->head; | |
1051 | map->head->prev = index; | |
1052 | map->head = index; | |
1053 | } else { | |
1054 | index->next = point; | |
1055 | index->prev = point->prev; | |
1056 | if (point->prev) | |
1057 | point->prev->next = index; | |
1058 | point->prev = index; | |
1059 | } | |
1060 | ||
2d26f094 | 1061 | route_map_pfx_tbl_update(RMAP_EVENT_INDEX_ADDED, index, 0, NULL); |
49a08bb0 | 1062 | |
d62a17ae | 1063 | /* Execute event hook. */ |
1064 | if (route_map_master.event_hook) { | |
097b5973 | 1065 | (*route_map_master.event_hook)(map->name); |
d62a17ae | 1066 | route_map_notify_dependencies(map->name, RMAP_EVENT_CALL_ADDED); |
1067 | } | |
e3ab8170 AD |
1068 | |
1069 | if (rmap_debug) | |
1070 | zlog_debug("Route-map %s add sequence %d, type: %s", | |
1071 | map->name, pref, route_map_type_str(type)); | |
1072 | ||
d62a17ae | 1073 | return index; |
718e3744 | 1074 | } |
1075 | ||
1076 | /* Get route map index. */ | |
a7282663 | 1077 | struct route_map_index * |
d62a17ae | 1078 | route_map_index_get(struct route_map *map, enum route_map_type type, int pref) |
718e3744 | 1079 | { |
d62a17ae | 1080 | struct route_map_index *index; |
718e3744 | 1081 | |
d62a17ae | 1082 | index = route_map_index_lookup(map, RMAP_ANY, pref); |
1083 | if (index && index->type != type) { | |
1084 | /* Delete index from route map. */ | |
1085 | route_map_index_delete(index, 1); | |
1086 | index = NULL; | |
1087 | } | |
1088 | if (index == NULL) | |
1089 | index = route_map_index_add(map, type, pref); | |
1090 | return index; | |
718e3744 | 1091 | } |
1092 | ||
1093 | /* New route map rule */ | |
d62a17ae | 1094 | static struct route_map_rule *route_map_rule_new(void) |
718e3744 | 1095 | { |
d62a17ae | 1096 | struct route_map_rule *new; |
718e3744 | 1097 | |
d62a17ae | 1098 | new = XCALLOC(MTYPE_ROUTE_MAP_RULE, sizeof(struct route_map_rule)); |
1099 | return new; | |
718e3744 | 1100 | } |
6b0655a2 | 1101 | |
718e3744 | 1102 | /* Install rule command to the match list. */ |
364deb04 | 1103 | void route_map_install_match(const struct route_map_rule_cmd *cmd) |
718e3744 | 1104 | { |
364deb04 | 1105 | vector_set(route_match_vec, (void *)cmd); |
718e3744 | 1106 | } |
1107 | ||
1108 | /* Install rule command to the set list. */ | |
364deb04 | 1109 | void route_map_install_set(const struct route_map_rule_cmd *cmd) |
718e3744 | 1110 | { |
364deb04 | 1111 | vector_set(route_set_vec, (void *)cmd); |
718e3744 | 1112 | } |
1113 | ||
1114 | /* Lookup rule command from match list. */ | |
364deb04 | 1115 | static const struct route_map_rule_cmd *route_map_lookup_match(const char *name) |
718e3744 | 1116 | { |
d62a17ae | 1117 | unsigned int i; |
364deb04 | 1118 | const struct route_map_rule_cmd *rule; |
718e3744 | 1119 | |
d62a17ae | 1120 | for (i = 0; i < vector_active(route_match_vec); i++) |
1121 | if ((rule = vector_slot(route_match_vec, i)) != NULL) | |
1122 | if (strcmp(rule->str, name) == 0) | |
1123 | return rule; | |
1124 | return NULL; | |
718e3744 | 1125 | } |
1126 | ||
1127 | /* Lookup rule command from set list. */ | |
364deb04 | 1128 | static const struct route_map_rule_cmd *route_map_lookup_set(const char *name) |
718e3744 | 1129 | { |
d62a17ae | 1130 | unsigned int i; |
364deb04 | 1131 | const struct route_map_rule_cmd *rule; |
718e3744 | 1132 | |
d62a17ae | 1133 | for (i = 0; i < vector_active(route_set_vec); i++) |
1134 | if ((rule = vector_slot(route_set_vec, i)) != NULL) | |
1135 | if (strcmp(rule->str, name) == 0) | |
1136 | return rule; | |
1137 | return NULL; | |
718e3744 | 1138 | } |
1139 | ||
1140 | /* Add match and set rule to rule list. */ | |
d62a17ae | 1141 | static void route_map_rule_add(struct route_map_rule_list *list, |
1142 | struct route_map_rule *rule) | |
718e3744 | 1143 | { |
d62a17ae | 1144 | rule->next = NULL; |
1145 | rule->prev = list->tail; | |
1146 | if (list->tail) | |
1147 | list->tail->next = rule; | |
1148 | else | |
1149 | list->head = rule; | |
1150 | list->tail = rule; | |
718e3744 | 1151 | } |
1152 | ||
1153 | /* Delete rule from rule list. */ | |
d62a17ae | 1154 | static void route_map_rule_delete(struct route_map_rule_list *list, |
1155 | struct route_map_rule *rule) | |
718e3744 | 1156 | { |
d62a17ae | 1157 | if (rule->cmd->func_free) |
1158 | (*rule->cmd->func_free)(rule->value); | |
718e3744 | 1159 | |
0a22ddfb | 1160 | XFREE(MTYPE_ROUTE_MAP_RULE_STR, rule->rule_str); |
718e3744 | 1161 | |
d62a17ae | 1162 | if (rule->next) |
1163 | rule->next->prev = rule->prev; | |
1164 | else | |
1165 | list->tail = rule->prev; | |
1166 | if (rule->prev) | |
1167 | rule->prev->next = rule->next; | |
1168 | else | |
1169 | list->head = rule->next; | |
718e3744 | 1170 | |
d62a17ae | 1171 | XFREE(MTYPE_ROUTE_MAP_RULE, rule); |
718e3744 | 1172 | } |
1173 | ||
1174 | /* strcmp wrapper function which don't crush even argument is NULL. */ | |
d62a17ae | 1175 | static int rulecmp(const char *dst, const char *src) |
1176 | { | |
1177 | if (dst == NULL) { | |
1178 | if (src == NULL) | |
1179 | return 0; | |
1180 | else | |
1181 | return 1; | |
1182 | } else { | |
1183 | if (src == NULL) | |
1184 | return 1; | |
1185 | else | |
1186 | return strcmp(dst, src); | |
1187 | } | |
718e3744 | 1188 | return 1; |
718e3744 | 1189 | } |
1190 | ||
518f0eb1 DS |
1191 | /* Use this to return the already specified argument for this match. This is |
1192 | * useful to get the specified argument with a route map match rule when the | |
1193 | * rule is being deleted and the argument is not provided. | |
1194 | */ | |
d62a17ae | 1195 | const char *route_map_get_match_arg(struct route_map_index *index, |
1196 | const char *match_name) | |
518f0eb1 | 1197 | { |
d62a17ae | 1198 | struct route_map_rule *rule; |
364deb04 | 1199 | const struct route_map_rule_cmd *cmd; |
518f0eb1 | 1200 | |
d62a17ae | 1201 | /* First lookup rule for add match statement. */ |
1202 | cmd = route_map_lookup_match(match_name); | |
1203 | if (cmd == NULL) | |
1204 | return NULL; | |
518f0eb1 | 1205 | |
d62a17ae | 1206 | for (rule = index->match_list.head; rule; rule = rule->next) |
1207 | if (rule->cmd == cmd && rule->rule_str != NULL) | |
1208 | return (rule->rule_str); | |
518f0eb1 | 1209 | |
95f7965d | 1210 | return NULL; |
518f0eb1 DS |
1211 | } |
1212 | ||
e2c8d6ce NT |
1213 | static route_map_event_t get_route_map_delete_event(route_map_event_t type) |
1214 | { | |
1215 | switch (type) { | |
1216 | case RMAP_EVENT_CALL_ADDED: | |
1217 | return RMAP_EVENT_CALL_DELETED; | |
1218 | case RMAP_EVENT_PLIST_ADDED: | |
1219 | return RMAP_EVENT_PLIST_DELETED; | |
1220 | case RMAP_EVENT_CLIST_ADDED: | |
1221 | return RMAP_EVENT_CLIST_DELETED; | |
1222 | case RMAP_EVENT_ECLIST_ADDED: | |
1223 | return RMAP_EVENT_ECLIST_DELETED; | |
1224 | case RMAP_EVENT_LLIST_ADDED: | |
1225 | return RMAP_EVENT_LLIST_DELETED; | |
1226 | case RMAP_EVENT_ASLIST_ADDED: | |
1227 | return RMAP_EVENT_ASLIST_DELETED; | |
1228 | case RMAP_EVENT_FILTER_ADDED: | |
1229 | return RMAP_EVENT_FILTER_DELETED; | |
1230 | case RMAP_EVENT_SET_ADDED: | |
1231 | case RMAP_EVENT_SET_DELETED: | |
1232 | case RMAP_EVENT_SET_REPLACED: | |
1233 | case RMAP_EVENT_MATCH_ADDED: | |
1234 | case RMAP_EVENT_MATCH_DELETED: | |
1235 | case RMAP_EVENT_MATCH_REPLACED: | |
1236 | case RMAP_EVENT_INDEX_ADDED: | |
1237 | case RMAP_EVENT_INDEX_DELETED: | |
1238 | case RMAP_EVENT_CALL_DELETED: | |
1239 | case RMAP_EVENT_PLIST_DELETED: | |
1240 | case RMAP_EVENT_CLIST_DELETED: | |
1241 | case RMAP_EVENT_ECLIST_DELETED: | |
1242 | case RMAP_EVENT_LLIST_DELETED: | |
1243 | case RMAP_EVENT_ASLIST_DELETED: | |
1244 | case RMAP_EVENT_FILTER_DELETED: | |
1245 | /* This function returns the appropriate 'deleted' event type | |
1246 | * for every 'added' event type passed to this function. | |
1247 | * This is done only for named entities used in the | |
1248 | * route-map match commands. | |
1249 | * This function is not to be invoked for any of the other event | |
1250 | * types. | |
1251 | */ | |
1252 | assert(0); | |
1253 | } | |
f232dd29 DS |
1254 | |
1255 | assert(0); | |
1256 | /* | |
1257 | * Return to make c happy but if we get here something has gone | |
1258 | * terribly terribly wrong, so yes this return makes no sense. | |
1259 | */ | |
1260 | return RMAP_EVENT_CALL_ADDED; | |
e2c8d6ce NT |
1261 | } |
1262 | ||
718e3744 | 1263 | /* Add match statement to route map. */ |
cda7187d DS |
1264 | enum rmap_compile_rets route_map_add_match(struct route_map_index *index, |
1265 | const char *match_name, | |
1266 | const char *match_arg, | |
1267 | route_map_event_t type) | |
d62a17ae | 1268 | { |
1269 | struct route_map_rule *rule; | |
1270 | struct route_map_rule *next; | |
364deb04 | 1271 | const struct route_map_rule_cmd *cmd; |
d62a17ae | 1272 | void *compile; |
e2c8d6ce | 1273 | int8_t delete_rmap_event_type = 0; |
909f3d56 | 1274 | const char *rule_key; |
d62a17ae | 1275 | |
1276 | /* First lookup rule for add match statement. */ | |
1277 | cmd = route_map_lookup_match(match_name); | |
1278 | if (cmd == NULL) | |
1279 | return RMAP_RULE_MISSING; | |
1280 | ||
1281 | /* Next call compile function for this match statement. */ | |
1282 | if (cmd->func_compile) { | |
1283 | compile = (*cmd->func_compile)(match_arg); | |
1284 | if (compile == NULL) | |
1285 | return RMAP_COMPILE_ERROR; | |
1286 | } else | |
1287 | compile = NULL; | |
909f3d56 | 1288 | /* use the compiled results if applicable */ |
1289 | if (compile && cmd->func_get_rmap_rule_key) | |
1290 | rule_key = (*cmd->func_get_rmap_rule_key) | |
1291 | (compile); | |
1292 | else | |
1293 | rule_key = match_arg; | |
d62a17ae | 1294 | |
1295 | /* If argument is completely same ignore it. */ | |
1296 | for (rule = index->match_list.head; rule; rule = next) { | |
1297 | next = rule->next; | |
1298 | if (rule->cmd == cmd) { | |
6c3247bd NT |
1299 | /* If the configured route-map match rule is exactly |
1300 | * the same as the existing configuration then, | |
1301 | * ignore the duplicate configuration. | |
1302 | */ | |
1303 | if (strcmp(match_arg, rule->rule_str) == 0) { | |
1304 | if (cmd->func_free) | |
1305 | (*cmd->func_free)(compile); | |
e2c8d6ce | 1306 | |
909f3d56 | 1307 | return RMAP_COMPILE_SUCCESS; |
e2c8d6ce NT |
1308 | } |
1309 | ||
49a08bb0 NT |
1310 | /* If IPv4 or IPv6 prefix-list match criteria |
1311 | * has been delete to the route-map index, update | |
1312 | * the route-map's prefix table. | |
1313 | */ | |
819a23f9 | 1314 | if (IS_RULE_IPv4_PREFIX_LIST(match_name)) |
49a08bb0 | 1315 | route_map_pfx_tbl_update( |
2d26f094 NT |
1316 | RMAP_EVENT_PLIST_DELETED, index, AFI_IP, |
1317 | rule->rule_str); | |
819a23f9 | 1318 | else if (IS_RULE_IPv6_PREFIX_LIST(match_name)) |
49a08bb0 | 1319 | route_map_pfx_tbl_update( |
2d26f094 NT |
1320 | RMAP_EVENT_PLIST_DELETED, index, |
1321 | AFI_IP6, rule->rule_str); | |
49a08bb0 | 1322 | |
e2c8d6ce NT |
1323 | /* Remove the dependency of the route-map on the rule |
1324 | * that is being replaced. | |
1325 | */ | |
1326 | if (type >= RMAP_EVENT_CALL_ADDED) { | |
1327 | delete_rmap_event_type = | |
1328 | get_route_map_delete_event(type); | |
1329 | route_map_upd8_dependency( | |
1330 | delete_rmap_event_type, | |
909f3d56 | 1331 | rule_key, |
e2c8d6ce | 1332 | index->map->name); |
6c3247bd NT |
1333 | } |
1334 | ||
d62a17ae | 1335 | route_map_rule_delete(&index->match_list, rule); |
d62a17ae | 1336 | } |
718e3744 | 1337 | } |
718e3744 | 1338 | |
d62a17ae | 1339 | /* Add new route map match rule. */ |
1340 | rule = route_map_rule_new(); | |
1341 | rule->cmd = cmd; | |
1342 | rule->value = compile; | |
1343 | if (match_arg) | |
1344 | rule->rule_str = XSTRDUP(MTYPE_ROUTE_MAP_RULE_STR, match_arg); | |
1345 | else | |
1346 | rule->rule_str = NULL; | |
718e3744 | 1347 | |
d62a17ae | 1348 | /* Add new route match rule to linked list. */ |
1349 | route_map_rule_add(&index->match_list, rule); | |
718e3744 | 1350 | |
49a08bb0 NT |
1351 | /* If IPv4 or IPv6 prefix-list match criteria |
1352 | * has been added to the route-map index, update | |
1353 | * the route-map's prefix table. | |
1354 | */ | |
819a23f9 | 1355 | if (IS_RULE_IPv4_PREFIX_LIST(match_name)) { |
2d26f094 | 1356 | route_map_pfx_tbl_update(RMAP_EVENT_PLIST_ADDED, index, AFI_IP, |
49a08bb0 | 1357 | match_arg); |
819a23f9 | 1358 | } else if (IS_RULE_IPv6_PREFIX_LIST(match_name)) { |
2d26f094 | 1359 | route_map_pfx_tbl_update(RMAP_EVENT_PLIST_ADDED, index, AFI_IP6, |
49a08bb0 | 1360 | match_arg); |
49a08bb0 NT |
1361 | } |
1362 | ||
d62a17ae | 1363 | /* Execute event hook. */ |
1364 | if (route_map_master.event_hook) { | |
097b5973 | 1365 | (*route_map_master.event_hook)(index->map->name); |
d62a17ae | 1366 | route_map_notify_dependencies(index->map->name, |
1367 | RMAP_EVENT_CALL_ADDED); | |
1368 | } | |
909f3d56 | 1369 | if (type != RMAP_EVENT_MATCH_ADDED) |
1370 | route_map_upd8_dependency(type, rule_key, index->map->name); | |
718e3744 | 1371 | |
9ca25fed | 1372 | return RMAP_COMPILE_SUCCESS; |
718e3744 | 1373 | } |
1374 | ||
1375 | /* Delete specified route match rule. */ | |
cda7187d DS |
1376 | enum rmap_compile_rets route_map_delete_match(struct route_map_index *index, |
1377 | const char *match_name, | |
909f3d56 | 1378 | const char *match_arg, |
1379 | route_map_event_t type) | |
d62a17ae | 1380 | { |
1381 | struct route_map_rule *rule; | |
364deb04 | 1382 | const struct route_map_rule_cmd *cmd; |
909f3d56 | 1383 | const char *rule_key; |
d62a17ae | 1384 | |
1385 | cmd = route_map_lookup_match(match_name); | |
1386 | if (cmd == NULL) | |
e5b4b49e | 1387 | return RMAP_RULE_MISSING; |
d62a17ae | 1388 | |
1389 | for (rule = index->match_list.head; rule; rule = rule->next) | |
9d303b37 DL |
1390 | if (rule->cmd == cmd && (rulecmp(rule->rule_str, match_arg) == 0 |
1391 | || match_arg == NULL)) { | |
d62a17ae | 1392 | /* Execute event hook. */ |
1393 | if (route_map_master.event_hook) { | |
097b5973 | 1394 | (*route_map_master.event_hook)(index->map->name); |
d62a17ae | 1395 | route_map_notify_dependencies( |
1396 | index->map->name, | |
1397 | RMAP_EVENT_CALL_ADDED); | |
1398 | } | |
909f3d56 | 1399 | if (cmd->func_get_rmap_rule_key) |
1400 | rule_key = (*cmd->func_get_rmap_rule_key) | |
1401 | (rule->value); | |
1402 | else | |
1403 | rule_key = match_arg; | |
1404 | ||
1405 | if (type != RMAP_EVENT_MATCH_DELETED && rule_key) | |
1406 | route_map_upd8_dependency(type, rule_key, | |
1407 | index->map->name); | |
1408 | ||
1409 | route_map_rule_delete(&index->match_list, rule); | |
49a08bb0 NT |
1410 | |
1411 | /* If IPv4 or IPv6 prefix-list match criteria | |
3eca8715 | 1412 | * has been delete from the route-map index, update |
49a08bb0 NT |
1413 | * the route-map's prefix table. |
1414 | */ | |
819a23f9 | 1415 | if (IS_RULE_IPv4_PREFIX_LIST(match_name)) { |
49a08bb0 | 1416 | route_map_pfx_tbl_update( |
2d26f094 NT |
1417 | RMAP_EVENT_PLIST_DELETED, index, AFI_IP, |
1418 | match_arg); | |
819a23f9 | 1419 | } else if (IS_RULE_IPv6_PREFIX_LIST(match_name)) { |
49a08bb0 | 1420 | route_map_pfx_tbl_update( |
2d26f094 NT |
1421 | RMAP_EVENT_PLIST_DELETED, index, |
1422 | AFI_IP6, match_arg); | |
49a08bb0 NT |
1423 | } |
1424 | ||
e5b4b49e | 1425 | return RMAP_COMPILE_SUCCESS; |
d62a17ae | 1426 | } |
1427 | /* Can't find matched rule. */ | |
e5b4b49e | 1428 | return RMAP_RULE_MISSING; |
718e3744 | 1429 | } |
1430 | ||
1431 | /* Add route-map set statement to the route map. */ | |
cda7187d DS |
1432 | enum rmap_compile_rets route_map_add_set(struct route_map_index *index, |
1433 | const char *set_name, | |
1434 | const char *set_arg) | |
d62a17ae | 1435 | { |
1436 | struct route_map_rule *rule; | |
1437 | struct route_map_rule *next; | |
364deb04 | 1438 | const struct route_map_rule_cmd *cmd; |
d62a17ae | 1439 | void *compile; |
d62a17ae | 1440 | |
1441 | cmd = route_map_lookup_set(set_name); | |
1442 | if (cmd == NULL) | |
1443 | return RMAP_RULE_MISSING; | |
1444 | ||
1445 | /* Next call compile function for this match statement. */ | |
1446 | if (cmd->func_compile) { | |
1447 | compile = (*cmd->func_compile)(set_arg); | |
1448 | if (compile == NULL) | |
1449 | return RMAP_COMPILE_ERROR; | |
1450 | } else | |
1451 | compile = NULL; | |
1452 | ||
1453 | /* Add by WJL. if old set command of same kind exist, delete it first | |
1454 | to ensure only one set command of same kind exist under a | |
1455 | route_map_index. */ | |
1456 | for (rule = index->set_list.head; rule; rule = next) { | |
1457 | next = rule->next; | |
4255dbe9 | 1458 | if (rule->cmd == cmd) |
d62a17ae | 1459 | route_map_rule_delete(&index->set_list, rule); |
d62a17ae | 1460 | } |
1461 | ||
1462 | /* Add new route map match rule. */ | |
1463 | rule = route_map_rule_new(); | |
1464 | rule->cmd = cmd; | |
1465 | rule->value = compile; | |
1466 | if (set_arg) | |
1467 | rule->rule_str = XSTRDUP(MTYPE_ROUTE_MAP_RULE_STR, set_arg); | |
1468 | else | |
1469 | rule->rule_str = NULL; | |
1470 | ||
1471 | /* Add new route match rule to linked list. */ | |
1472 | route_map_rule_add(&index->set_list, rule); | |
1473 | ||
1474 | /* Execute event hook. */ | |
1475 | if (route_map_master.event_hook) { | |
097b5973 | 1476 | (*route_map_master.event_hook)(index->map->name); |
d62a17ae | 1477 | route_map_notify_dependencies(index->map->name, |
1478 | RMAP_EVENT_CALL_ADDED); | |
718e3744 | 1479 | } |
9ca25fed | 1480 | return RMAP_COMPILE_SUCCESS; |
718e3744 | 1481 | } |
1482 | ||
1483 | /* Delete route map set rule. */ | |
cda7187d DS |
1484 | enum rmap_compile_rets route_map_delete_set(struct route_map_index *index, |
1485 | const char *set_name, | |
1486 | const char *set_arg) | |
d62a17ae | 1487 | { |
1488 | struct route_map_rule *rule; | |
364deb04 | 1489 | const struct route_map_rule_cmd *cmd; |
d62a17ae | 1490 | |
1491 | cmd = route_map_lookup_set(set_name); | |
1492 | if (cmd == NULL) | |
e5b4b49e | 1493 | return RMAP_RULE_MISSING; |
d62a17ae | 1494 | |
1495 | for (rule = index->set_list.head; rule; rule = rule->next) | |
9d303b37 DL |
1496 | if ((rule->cmd == cmd) && (rulecmp(rule->rule_str, set_arg) == 0 |
1497 | || set_arg == NULL)) { | |
d62a17ae | 1498 | route_map_rule_delete(&index->set_list, rule); |
1499 | /* Execute event hook. */ | |
1500 | if (route_map_master.event_hook) { | |
097b5973 | 1501 | (*route_map_master.event_hook)(index->map->name); |
d62a17ae | 1502 | route_map_notify_dependencies( |
1503 | index->map->name, | |
1504 | RMAP_EVENT_CALL_ADDED); | |
1505 | } | |
e5b4b49e | 1506 | return RMAP_COMPILE_SUCCESS; |
d62a17ae | 1507 | } |
1508 | /* Can't find matched rule. */ | |
e5b4b49e | 1509 | return RMAP_RULE_MISSING; |
718e3744 | 1510 | } |
1511 | ||
b68885f9 LK |
1512 | static enum route_map_cmd_result_t |
1513 | route_map_apply_match(struct route_map_rule_list *match_list, | |
1514 | const struct prefix *prefix, route_map_object_t type, | |
1515 | void *object) | |
1516 | { | |
1517 | enum route_map_cmd_result_t ret = RMAP_NOMATCH; | |
1518 | struct route_map_rule *match; | |
1519 | bool is_matched = false; | |
1520 | ||
1521 | ||
1522 | /* Check all match rule and if there is no match rule, go to the | |
1523 | set statement. */ | |
1524 | if (!match_list->head) | |
1525 | ret = RMAP_MATCH; | |
1526 | else { | |
1527 | for (match = match_list->head; match; match = match->next) { | |
1528 | /* | |
1529 | * Try each match statement. If any match does not | |
1530 | * return RMAP_MATCH or RMAP_NOOP, return. | |
1531 | * Otherwise continue on to next match statement. | |
1532 | * All match statements must MATCH for | |
1533 | * end-result to be a match. | |
1534 | * (Exception:If match stmts result in a mix of | |
1535 | * MATCH/NOOP, then also end-result is a match) | |
1536 | * If all result in NOOP, end-result is NOOP. | |
1537 | */ | |
1538 | ret = (*match->cmd->func_apply)(match->value, prefix, | |
1539 | type, object); | |
1540 | ||
1541 | /* | |
1542 | * If the consolidated result of func_apply is: | |
1543 | * ----------------------------------------------- | |
1544 | * | MATCH | NOMATCH | NOOP | Final Result | | |
1545 | * ------------------------------------------------ | |
1546 | * | yes | yes | yes | NOMATCH | | |
1547 | * | no | no | yes | NOOP | | |
1548 | * | yes | no | yes | MATCH | | |
1549 | * | no | yes | yes | NOMATCH | | |
1550 | * |----------------------------------------------- | |
1551 | * | |
1552 | * Traditionally, all rules within route-map | |
1553 | * should match for it to MATCH. | |
1554 | * If there are noops within the route-map rules, | |
1555 | * it follows the above matrix. | |
1556 | * | |
1557 | * Eg: route-map rm1 permit 10 | |
1558 | * match rule1 | |
1559 | * match rule2 | |
1560 | * match rule3 | |
1561 | * .... | |
1562 | * route-map rm1 permit 20 | |
1563 | * match ruleX | |
1564 | * match ruleY | |
1565 | * ... | |
1566 | */ | |
1567 | ||
1568 | switch (ret) { | |
1569 | case RMAP_MATCH: | |
1570 | is_matched = true; | |
1571 | break; | |
1572 | ||
1573 | case RMAP_NOMATCH: | |
1574 | return ret; | |
1575 | ||
1576 | case RMAP_NOOP: | |
1577 | if (is_matched) | |
1578 | ret = RMAP_MATCH; | |
1579 | break; | |
1580 | ||
1581 | default: | |
1582 | break; | |
1583 | } | |
1584 | ||
1585 | } | |
1586 | } | |
1587 | return ret; | |
1588 | } | |
1589 | ||
2d26f094 NT |
1590 | static struct list *route_map_get_index_list(struct route_node **rn, |
1591 | const struct prefix *prefix, | |
1592 | struct route_table *table) | |
819a23f9 NT |
1593 | { |
1594 | struct route_node *tmp_rn = NULL; | |
1595 | ||
1596 | if (!(*rn)) { | |
1597 | *rn = route_node_match(table, prefix); | |
1598 | ||
1599 | if (!(*rn)) | |
1600 | return NULL; | |
1601 | ||
1602 | if ((*rn)->info) | |
1603 | return (struct list *)((*rn)->info); | |
1604 | ||
1605 | /* If rn->info is NULL, get the parent. | |
1606 | * Store the rn in tmp_rn and unlock it later. | |
1607 | */ | |
1608 | tmp_rn = *rn; | |
1609 | } | |
1610 | ||
1611 | do { | |
1612 | *rn = (*rn)->parent; | |
1613 | if (tmp_rn) | |
1614 | route_unlock_node(tmp_rn); | |
1615 | ||
1616 | if (!(*rn)) | |
1617 | break; | |
1618 | ||
1619 | if ((*rn)->info) { | |
1620 | route_lock_node(*rn); | |
1621 | return (struct list *)((*rn)->info); | |
1622 | } | |
1623 | } while (!(*rn)->info); | |
1624 | ||
1625 | return NULL; | |
1626 | } | |
1627 | ||
1628 | /* | |
1629 | * This function returns the route-map index that best matches the prefix. | |
1630 | */ | |
1631 | static struct route_map_index * | |
2d26f094 NT |
1632 | route_map_get_index(struct route_map *map, const struct prefix *prefix, |
1633 | route_map_object_t type, void *object, uint8_t *match_ret) | |
819a23f9 NT |
1634 | { |
1635 | int ret = 0; | |
1636 | struct list *candidate_rmap_list = NULL; | |
1637 | struct route_node *rn = NULL; | |
1638 | struct listnode *ln = NULL, *nn = NULL; | |
1639 | struct route_map_index *index = NULL, *best_index = NULL; | |
1640 | struct route_map_index *head_index = NULL; | |
1641 | struct route_table *table = NULL; | |
1642 | unsigned char family = prefix->family; | |
1643 | ||
1644 | if (family == AF_INET) | |
1645 | table = map->ipv4_prefix_table; | |
1646 | else | |
1647 | table = map->ipv6_prefix_table; | |
1648 | ||
1649 | if (!table) | |
1650 | return NULL; | |
1651 | ||
1652 | do { | |
2d26f094 NT |
1653 | candidate_rmap_list = |
1654 | route_map_get_index_list(&rn, prefix, table); | |
819a23f9 NT |
1655 | if (!rn) |
1656 | break; | |
1657 | ||
1658 | /* If the index at the head of the list is of seq higher | |
1659 | * than that in best_index, ignore the list and get the | |
1660 | * parent node's list. | |
1661 | */ | |
2d26f094 NT |
1662 | head_index = (struct route_map_index *)(listgetdata( |
1663 | listhead(candidate_rmap_list))); | |
1664 | if (best_index && head_index | |
1665 | && (best_index->pref < head_index->pref)) { | |
819a23f9 NT |
1666 | route_unlock_node(rn); |
1667 | continue; | |
1668 | } | |
1669 | ||
1670 | for (ALL_LIST_ELEMENTS(candidate_rmap_list, ln, nn, index)) { | |
1671 | /* If the index is of seq higher than that in | |
1672 | * best_index, ignore the list and get the parent | |
1673 | * node's list. | |
1674 | */ | |
1675 | if (best_index && (best_index->pref < index->pref)) | |
1676 | break; | |
1677 | ||
2d26f094 NT |
1678 | ret = route_map_apply_match(&index->match_list, prefix, |
1679 | type, object); | |
819a23f9 NT |
1680 | |
1681 | if (ret == RMAP_MATCH) { | |
1682 | *match_ret = ret; | |
1683 | best_index = index; | |
1684 | break; | |
1685 | } else if (ret == RMAP_NOOP) { | |
1686 | /* | |
1687 | * If match_ret is denymatch, even if we see | |
1688 | * more noops, we retain this return value and | |
1689 | * return this eventually if there are no | |
1690 | * matches. | |
1410dd3f NT |
1691 | * If a best match route-map index already |
1692 | * exists, do not reset the match_ret. | |
819a23f9 | 1693 | */ |
1410dd3f | 1694 | if (!best_index && (*match_ret != RMAP_NOMATCH)) |
819a23f9 NT |
1695 | *match_ret = ret; |
1696 | } else { | |
1697 | /* | |
1698 | * ret is RMAP_NOMATCH. | |
1410dd3f NT |
1699 | * If a best match route-map index already |
1700 | * exists, do not reset the match_ret. | |
819a23f9 | 1701 | */ |
1410dd3f NT |
1702 | if (!best_index) |
1703 | *match_ret = ret; | |
819a23f9 NT |
1704 | } |
1705 | } | |
1706 | ||
1707 | route_unlock_node(rn); | |
1708 | ||
1709 | } while (rn); | |
1710 | ||
1711 | return best_index; | |
1712 | } | |
1713 | ||
2d26f094 NT |
1714 | static int route_map_candidate_list_cmp(struct route_map_index *idx1, |
1715 | struct route_map_index *idx2) | |
49a08bb0 NT |
1716 | { |
1717 | if (!idx1) | |
1718 | return -1; | |
1719 | if (!idx2) | |
1720 | return 1; | |
1721 | ||
1722 | return (idx1->pref - idx2->pref); | |
1723 | } | |
1724 | ||
1725 | /* | |
1726 | * This function adds the route-map index into the default route's | |
1727 | * route-node in the route-map's IPv4/IPv6 prefix-table. | |
1728 | */ | |
2d26f094 NT |
1729 | static void route_map_pfx_table_add_default(afi_t afi, |
1730 | struct route_map_index *index) | |
49a08bb0 NT |
1731 | { |
1732 | struct route_node *rn = NULL; | |
1733 | struct list *rmap_candidate_list = NULL; | |
1734 | struct prefix p; | |
1735 | bool updated_rn = false; | |
1736 | struct route_table *table = NULL; | |
1737 | ||
1738 | memset(&p, 0, sizeof(p)); | |
1739 | p.family = afi2family(afi); | |
1740 | p.prefixlen = 0; | |
1741 | ||
1742 | if (p.family == AF_INET) { | |
1743 | table = index->map->ipv4_prefix_table; | |
1744 | if (!table) | |
1745 | index->map->ipv4_prefix_table = route_table_init(); | |
1746 | ||
1747 | table = index->map->ipv4_prefix_table; | |
1748 | } else { | |
1749 | table = index->map->ipv6_prefix_table; | |
1750 | if (!table) | |
1751 | index->map->ipv6_prefix_table = route_table_init(); | |
1752 | ||
1753 | table = index->map->ipv6_prefix_table; | |
1754 | } | |
1755 | ||
1756 | /* Add default route to table */ | |
1757 | rn = route_node_get(table, &p); | |
1758 | ||
1759 | if (!rn) | |
1760 | return; | |
1761 | ||
1762 | if (!rn->info) { | |
1763 | rmap_candidate_list = list_new(); | |
1764 | rmap_candidate_list->cmp = | |
1765 | (int (*)(void *, void *))route_map_candidate_list_cmp; | |
1766 | rn->info = rmap_candidate_list; | |
1767 | } else { | |
1768 | rmap_candidate_list = (struct list *)rn->info; | |
1769 | updated_rn = true; | |
1770 | } | |
1771 | ||
1772 | listnode_add_sort_nodup(rmap_candidate_list, index); | |
1773 | if (updated_rn) | |
1774 | route_unlock_node(rn); | |
1775 | } | |
1776 | ||
1777 | /* | |
1778 | * This function removes the route-map index from the default route's | |
1779 | * route-node in the route-map's IPv4/IPv6 prefix-table. | |
1780 | */ | |
2d26f094 NT |
1781 | static void route_map_pfx_table_del_default(afi_t afi, |
1782 | struct route_map_index *index) | |
49a08bb0 NT |
1783 | { |
1784 | struct route_node *rn = NULL; | |
1785 | struct list *rmap_candidate_list = NULL; | |
1786 | struct prefix p; | |
1787 | struct route_table *table = NULL; | |
1788 | ||
1789 | memset(&p, 0, sizeof(p)); | |
1790 | p.family = afi2family(afi); | |
1791 | p.prefixlen = 0; | |
1792 | ||
1793 | if (p.family == AF_INET) | |
1794 | table = index->map->ipv4_prefix_table; | |
1795 | else | |
1796 | table = index->map->ipv6_prefix_table; | |
1797 | ||
1798 | /* Remove RMAP index from default route in table */ | |
1799 | rn = route_node_lookup(table, &p); | |
1800 | if (!rn || !rn->info) | |
1801 | return; | |
1802 | ||
1803 | rmap_candidate_list = (struct list *)rn->info; | |
1804 | ||
1805 | listnode_delete(rmap_candidate_list, index); | |
1806 | ||
1807 | if (listcount(rmap_candidate_list) == 0) { | |
1808 | list_delete(&rmap_candidate_list); | |
1809 | rn->info = NULL; | |
1810 | route_unlock_node(rn); | |
1811 | } | |
1812 | route_unlock_node(rn); | |
1813 | } | |
1814 | ||
1815 | /* | |
1816 | * This function adds the route-map index to the route-node for | |
1817 | * the prefix-entry in the route-map's IPv4/IPv6 prefix-table. | |
1818 | */ | |
2d26f094 NT |
1819 | static void route_map_pfx_table_add(struct route_table *table, |
1820 | struct route_map_index *index, | |
1821 | struct prefix_list_entry *pentry) | |
49a08bb0 NT |
1822 | { |
1823 | struct route_node *rn = NULL; | |
1824 | struct list *rmap_candidate_list = NULL; | |
1825 | bool updated_rn = false; | |
1826 | ||
1827 | rn = route_node_get(table, &pentry->prefix); | |
1828 | if (!rn) | |
1829 | return; | |
1830 | ||
1831 | if (!rn->info) { | |
1832 | rmap_candidate_list = list_new(); | |
1833 | rmap_candidate_list->cmp = | |
1834 | (int (*)(void *, void *))route_map_candidate_list_cmp; | |
1835 | rn->info = rmap_candidate_list; | |
1836 | } else { | |
1837 | rmap_candidate_list = (struct list *)rn->info; | |
1838 | updated_rn = true; | |
1839 | } | |
1840 | ||
1841 | listnode_add_sort_nodup(rmap_candidate_list, index); | |
1842 | if (updated_rn) | |
1843 | route_unlock_node(rn); | |
1844 | } | |
1845 | ||
1846 | /* | |
1847 | * This function removes the route-map index from the route-node for | |
1848 | * the prefix-entry in the route-map's IPv4/IPv6 prefix-table. | |
1849 | */ | |
2d26f094 NT |
1850 | static void route_map_pfx_table_del(struct route_table *table, |
1851 | struct route_map_index *index, | |
1852 | struct prefix_list_entry *pentry) | |
49a08bb0 NT |
1853 | { |
1854 | struct route_node *rn = NULL; | |
1855 | struct list *rmap_candidate_list = NULL; | |
1856 | ||
1857 | rn = route_node_lookup(table, &pentry->prefix); | |
1858 | if (!rn || !rn->info) | |
1859 | return; | |
1860 | ||
1861 | rmap_candidate_list = (struct list *)rn->info; | |
1862 | ||
1863 | listnode_delete(rmap_candidate_list, index); | |
1864 | ||
1865 | if (listcount(rmap_candidate_list) == 0) { | |
1866 | list_delete(&rmap_candidate_list); | |
1867 | rn->info = NULL; | |
1868 | route_unlock_node(rn); | |
1869 | } | |
1870 | route_unlock_node(rn); | |
1871 | } | |
1872 | ||
3eca8715 NT |
1873 | /* This function checks for the presence of an IPv4 prefix-list |
1874 | * match rule in the given route-map index. | |
49a08bb0 | 1875 | */ |
3eca8715 | 1876 | static bool route_map_is_ip_pfx_list_rule_present(struct route_map_index *index) |
49a08bb0 NT |
1877 | { |
1878 | struct route_map_rule_list *match_list = NULL; | |
1879 | struct route_map_rule *rule = NULL; | |
1880 | ||
1881 | match_list = &index->match_list; | |
1882 | for (rule = match_list->head; rule; rule = rule->next) | |
3eca8715 | 1883 | if (IS_RULE_IPv4_PREFIX_LIST(rule->cmd->str)) |
49a08bb0 NT |
1884 | return true; |
1885 | ||
1886 | return false; | |
1887 | } | |
1888 | ||
3eca8715 NT |
1889 | /* This function checks for the presence of an IPv6 prefix-list |
1890 | * match rule in the given route-map index. | |
49a08bb0 | 1891 | */ |
3eca8715 NT |
1892 | static bool |
1893 | route_map_is_ipv6_pfx_list_rule_present(struct route_map_index *index) | |
49a08bb0 NT |
1894 | { |
1895 | struct route_map_rule_list *match_list = NULL; | |
1896 | struct route_map_rule *rule = NULL; | |
1897 | ||
1898 | match_list = &index->match_list; | |
1899 | for (rule = match_list->head; rule; rule = rule->next) | |
3eca8715 | 1900 | if (IS_RULE_IPv6_PREFIX_LIST(rule->cmd->str)) |
49a08bb0 NT |
1901 | return true; |
1902 | ||
1903 | return false; | |
1904 | } | |
1905 | ||
1906 | /* This function does the following: | |
1907 | * 1) If plist_name is not present, search for a IPv4 or IPv6 prefix-list | |
1908 | * match clause (based on the afi passed to this foo) and get the | |
1909 | * prefix-list name. | |
1910 | * 2) Look up the prefix-list using the name. | |
1911 | * 3) If the prefix-list is not found then, add the index to the IPv4/IPv6 | |
1912 | * default-route's node in the trie (based on the afi passed to this foo). | |
1913 | * 4) If the prefix-list is found then, remove the index from the IPv4/IPv6 | |
1914 | * default-route's node in the trie (based on the afi passed to this foo). | |
1915 | * 5) If a prefix-entry is passed then, create a route-node for this entry and | |
1916 | * add this index to the route-node. | |
1917 | * 6) If prefix-entry is not passed then, for every prefix-entry in the | |
1918 | * prefix-list, create a route-node for this entry and | |
1919 | * add this index to the route-node. | |
1920 | */ | |
2d26f094 NT |
1921 | static void route_map_add_plist_entries(afi_t afi, |
1922 | struct route_map_index *index, | |
1923 | const char *plist_name, | |
1924 | struct prefix_list_entry *entry) | |
49a08bb0 NT |
1925 | { |
1926 | struct route_map_rule_list *match_list = NULL; | |
1927 | struct route_map_rule *match = NULL; | |
1928 | struct prefix_list *plist = NULL; | |
1929 | struct prefix_list_entry *pentry = NULL; | |
1930 | bool plist_rule_is_present = false; | |
1931 | ||
1932 | if (!plist_name) { | |
1933 | match_list = &index->match_list; | |
1934 | ||
1935 | for (match = match_list->head; match; match = match->next) { | |
819a23f9 | 1936 | if (afi == AFI_IP) { |
2d26f094 | 1937 | if (IS_RULE_IPv4_PREFIX_LIST(match->cmd->str)) { |
819a23f9 NT |
1938 | plist_rule_is_present = true; |
1939 | break; | |
2d26f094 | 1940 | } |
819a23f9 | 1941 | } else { |
2d26f094 | 1942 | if (IS_RULE_IPv6_PREFIX_LIST(match->cmd->str)) { |
819a23f9 NT |
1943 | plist_rule_is_present = true; |
1944 | break; | |
2d26f094 | 1945 | } |
49a08bb0 NT |
1946 | } |
1947 | } | |
1948 | ||
1949 | if (plist_rule_is_present) | |
1950 | plist = prefix_list_lookup(afi, match->rule_str); | |
1951 | } else { | |
1952 | plist = prefix_list_lookup(afi, plist_name); | |
1953 | } | |
1954 | ||
1955 | if (!plist) { | |
1956 | route_map_pfx_table_add_default(afi, index); | |
1957 | return; | |
1958 | } | |
1959 | ||
1960 | route_map_pfx_table_del_default(afi, index); | |
1961 | ||
1962 | if (entry) { | |
1963 | if (afi == AFI_IP) { | |
2d26f094 NT |
1964 | route_map_pfx_table_add(index->map->ipv4_prefix_table, |
1965 | index, entry); | |
49a08bb0 | 1966 | } else { |
2d26f094 NT |
1967 | route_map_pfx_table_add(index->map->ipv6_prefix_table, |
1968 | index, entry); | |
49a08bb0 NT |
1969 | } |
1970 | } else { | |
1971 | for (pentry = plist->head; pentry; pentry = pentry->next) { | |
1972 | if (afi == AFI_IP) { | |
1973 | route_map_pfx_table_add( | |
2d26f094 NT |
1974 | index->map->ipv4_prefix_table, index, |
1975 | pentry); | |
49a08bb0 NT |
1976 | } else { |
1977 | route_map_pfx_table_add( | |
2d26f094 NT |
1978 | index->map->ipv6_prefix_table, index, |
1979 | pentry); | |
49a08bb0 NT |
1980 | } |
1981 | } | |
1982 | } | |
1983 | } | |
1984 | ||
1985 | /* This function does the following: | |
1986 | * 1) If plist_name is not present, search for a IPv4 or IPv6 prefix-list | |
1987 | * match clause (based on the afi passed to this foo) and get the | |
1988 | * prefix-list name. | |
1989 | * 2) Look up the prefix-list using the name. | |
1990 | * 3) If the prefix-list is not found then, delete the index from the IPv4/IPv6 | |
1991 | * default-route's node in the trie (based on the afi passed to this foo). | |
1992 | * 4) If a prefix-entry is passed then, remove this index from the route-node | |
1993 | * for the prefix in this prefix-entry. | |
1994 | * 5) If prefix-entry is not passed then, for every prefix-entry in the | |
1995 | * prefix-list, remove this index from the route-node | |
1996 | * for the prefix in this prefix-entry. | |
1997 | */ | |
2d26f094 NT |
1998 | static void route_map_del_plist_entries(afi_t afi, |
1999 | struct route_map_index *index, | |
2000 | const char *plist_name, | |
2001 | struct prefix_list_entry *entry) | |
49a08bb0 NT |
2002 | { |
2003 | struct route_map_rule_list *match_list = NULL; | |
2004 | struct route_map_rule *match = NULL; | |
2005 | struct prefix_list *plist = NULL; | |
2006 | struct prefix_list_entry *pentry = NULL; | |
2007 | bool plist_rule_is_present = false; | |
2008 | ||
2009 | if (!plist_name) { | |
2010 | match_list = &index->match_list; | |
2011 | ||
2012 | for (match = match_list->head; match; match = match->next) { | |
819a23f9 | 2013 | if (afi == AFI_IP) { |
2d26f094 | 2014 | if (IS_RULE_IPv4_PREFIX_LIST(match->cmd->str)) { |
819a23f9 NT |
2015 | plist_rule_is_present = true; |
2016 | break; | |
2d26f094 | 2017 | } |
819a23f9 | 2018 | } else { |
2d26f094 | 2019 | if (IS_RULE_IPv6_PREFIX_LIST(match->cmd->str)) { |
819a23f9 NT |
2020 | plist_rule_is_present = true; |
2021 | break; | |
2d26f094 | 2022 | } |
49a08bb0 NT |
2023 | } |
2024 | } | |
2025 | ||
2026 | if (plist_rule_is_present) | |
2027 | plist = prefix_list_lookup(afi, match->rule_str); | |
2028 | } else { | |
2029 | plist = prefix_list_lookup(afi, plist_name); | |
2030 | } | |
2031 | ||
2032 | if (!plist) { | |
2033 | route_map_pfx_table_del_default(afi, index); | |
2034 | return; | |
2035 | } | |
2036 | ||
2037 | if (entry) { | |
2038 | if (afi == AFI_IP) { | |
2d26f094 NT |
2039 | route_map_pfx_table_del(index->map->ipv4_prefix_table, |
2040 | index, entry); | |
49a08bb0 | 2041 | } else { |
2d26f094 NT |
2042 | route_map_pfx_table_del(index->map->ipv6_prefix_table, |
2043 | index, entry); | |
49a08bb0 NT |
2044 | } |
2045 | } else { | |
2046 | for (pentry = plist->head; pentry; pentry = pentry->next) { | |
2047 | if (afi == AFI_IP) { | |
2048 | route_map_pfx_table_del( | |
2d26f094 NT |
2049 | index->map->ipv4_prefix_table, index, |
2050 | pentry); | |
49a08bb0 NT |
2051 | } else { |
2052 | route_map_pfx_table_del( | |
2d26f094 NT |
2053 | index->map->ipv6_prefix_table, index, |
2054 | pentry); | |
49a08bb0 NT |
2055 | } |
2056 | } | |
2057 | } | |
2058 | } | |
2059 | ||
2060 | /* | |
2061 | * This function handles the cases where a prefix-list is added/removed | |
2062 | * as a match command from a particular route-map index. | |
2063 | * It updates the prefix-table of the route-map accordingly. | |
2064 | */ | |
2d26f094 NT |
2065 | static void route_map_trie_update(afi_t afi, route_map_event_t event, |
2066 | struct route_map_index *index, | |
2067 | const char *plist_name) | |
49a08bb0 NT |
2068 | { |
2069 | if (event == RMAP_EVENT_PLIST_ADDED) { | |
2070 | if (afi == AFI_IP) { | |
3eca8715 | 2071 | if (!route_map_is_ipv6_pfx_list_rule_present(index)) { |
2d26f094 | 2072 | route_map_pfx_table_del_default(AFI_IP6, index); |
49a08bb0 NT |
2073 | route_map_add_plist_entries(afi, index, |
2074 | plist_name, NULL); | |
2075 | } else { | |
2076 | route_map_del_plist_entries(AFI_IP6, index, | |
2077 | NULL, NULL); | |
2078 | } | |
2079 | } else { | |
3eca8715 | 2080 | if (!route_map_is_ip_pfx_list_rule_present(index)) { |
2d26f094 | 2081 | route_map_pfx_table_del_default(AFI_IP, index); |
49a08bb0 NT |
2082 | route_map_add_plist_entries(afi, index, |
2083 | plist_name, NULL); | |
2084 | } else { | |
2d26f094 NT |
2085 | route_map_del_plist_entries(AFI_IP, index, NULL, |
2086 | NULL); | |
49a08bb0 NT |
2087 | } |
2088 | } | |
2089 | } else if (event == RMAP_EVENT_PLIST_DELETED) { | |
2090 | if (afi == AFI_IP) { | |
2d26f094 NT |
2091 | route_map_del_plist_entries(afi, index, plist_name, |
2092 | NULL); | |
49a08bb0 | 2093 | |
3eca8715 NT |
2094 | /* If IPv6 prefix-list match rule is not present, |
2095 | * add this index to the IPv4 default route's trie | |
2096 | * node. | |
2097 | * Also, add this index to the trie nodes created | |
2098 | * for each of the prefix-entries within the IPv6 | |
2099 | * prefix-list, if the IPv6 prefix-list match rule | |
2100 | * is present. Else, add this index to the IPv6 | |
2101 | * default route's trie node. | |
2102 | */ | |
2103 | if (!route_map_is_ipv6_pfx_list_rule_present(index)) | |
49a08bb0 NT |
2104 | route_map_pfx_table_add_default(afi, index); |
2105 | ||
3eca8715 | 2106 | route_map_add_plist_entries(AFI_IP6, index, NULL, NULL); |
49a08bb0 | 2107 | } else { |
2d26f094 NT |
2108 | route_map_del_plist_entries(afi, index, plist_name, |
2109 | NULL); | |
49a08bb0 | 2110 | |
3eca8715 NT |
2111 | /* If IPv4 prefix-list match rule is not present, |
2112 | * add this index to the IPv6 default route's trie | |
2113 | * node. | |
2114 | * Also, add this index to the trie nodes created | |
2115 | * for each of the prefix-entries within the IPv4 | |
2116 | * prefix-list, if the IPv4 prefix-list match rule | |
2117 | * is present. Else, add this index to the IPv4 | |
2118 | * default route's trie node. | |
2119 | */ | |
2120 | if (!route_map_is_ip_pfx_list_rule_present(index)) | |
49a08bb0 NT |
2121 | route_map_pfx_table_add_default(afi, index); |
2122 | ||
3eca8715 | 2123 | route_map_add_plist_entries(AFI_IP, index, NULL, NULL); |
49a08bb0 NT |
2124 | } |
2125 | } | |
2126 | } | |
2127 | ||
2128 | /* | |
2129 | * This function handles the cases where a route-map index and | |
2130 | * prefix-list is added/removed. | |
2131 | * It updates the prefix-table of the route-map accordingly. | |
2132 | */ | |
2d26f094 NT |
2133 | static void route_map_pfx_tbl_update(route_map_event_t event, |
2134 | struct route_map_index *index, afi_t afi, | |
2135 | const char *plist_name) | |
49a08bb0 NT |
2136 | { |
2137 | struct route_map *rmap = NULL; | |
2138 | ||
2139 | if (!index) | |
2140 | return; | |
2141 | ||
2142 | if (event == RMAP_EVENT_INDEX_ADDED) { | |
2143 | route_map_pfx_table_add_default(AFI_IP, index); | |
2144 | route_map_pfx_table_add_default(AFI_IP6, index); | |
2145 | return; | |
2146 | } | |
2147 | ||
2148 | if (event == RMAP_EVENT_INDEX_DELETED) { | |
2149 | route_map_pfx_table_del_default(AFI_IP, index); | |
2150 | route_map_pfx_table_del_default(AFI_IP6, index); | |
2151 | ||
2d26f094 | 2152 | if ((index->map->head == NULL) && (index->map->tail == NULL)) { |
49a08bb0 NT |
2153 | rmap = index->map; |
2154 | ||
2155 | if (rmap->ipv4_prefix_table) { | |
2156 | route_table_finish(rmap->ipv4_prefix_table); | |
2157 | rmap->ipv4_prefix_table = NULL; | |
2158 | } | |
2159 | ||
2160 | if (rmap->ipv6_prefix_table) { | |
2161 | route_table_finish(rmap->ipv6_prefix_table); | |
2162 | rmap->ipv6_prefix_table = NULL; | |
2163 | } | |
2164 | } | |
2165 | return; | |
2166 | } | |
2167 | ||
2168 | /* Handle prefix-list match rule addition/deletion. | |
2169 | */ | |
2d26f094 | 2170 | route_map_trie_update(afi, event, index, plist_name); |
49a08bb0 NT |
2171 | } |
2172 | ||
2173 | /* | |
2174 | * This function handles the cases where a new prefix-entry is added to | |
2175 | * a prefix-list or, an existing prefix-entry is removed from the prefix-list. | |
2176 | * It updates the prefix-table of the route-map accordingly. | |
2177 | */ | |
2d26f094 NT |
2178 | static void route_map_pentry_update(route_map_event_t event, |
2179 | const char *plist_name, | |
2180 | struct route_map_index *index, | |
2181 | struct prefix_list_entry *pentry) | |
49a08bb0 NT |
2182 | { |
2183 | struct prefix_list *plist = NULL; | |
2184 | afi_t afi; | |
2185 | unsigned char family = pentry->prefix.family; | |
2186 | ||
2187 | if (family == AF_INET) { | |
2188 | afi = AFI_IP; | |
2189 | plist = prefix_list_lookup(AFI_IP, plist_name); | |
2190 | } else { | |
2191 | afi = AFI_IP6; | |
2192 | plist = prefix_list_lookup(AFI_IP6, plist_name); | |
2193 | } | |
2194 | ||
2195 | if (event == RMAP_EVENT_PLIST_ADDED) { | |
3eca8715 NT |
2196 | if (afi == AFI_IP) { |
2197 | if (!route_map_is_ipv6_pfx_list_rule_present(index)) | |
2198 | route_map_add_plist_entries(afi, index, | |
2199 | plist_name, pentry); | |
49a08bb0 | 2200 | } else { |
3eca8715 NT |
2201 | if (!route_map_is_ip_pfx_list_rule_present(index)) |
2202 | route_map_add_plist_entries(afi, index, | |
2203 | plist_name, pentry); | |
49a08bb0 NT |
2204 | } |
2205 | } else if (event == RMAP_EVENT_PLIST_DELETED) { | |
2206 | route_map_del_plist_entries(afi, index, plist_name, pentry); | |
2207 | ||
2208 | if (plist->count == 1) { | |
2209 | if (afi == AFI_IP) { | |
3eca8715 NT |
2210 | if (!route_map_is_ipv6_pfx_list_rule_present( |
2211 | index)) | |
49a08bb0 NT |
2212 | route_map_pfx_table_add_default(afi, |
2213 | index); | |
2214 | } else { | |
3eca8715 NT |
2215 | if (!route_map_is_ip_pfx_list_rule_present( |
2216 | index)) | |
49a08bb0 NT |
2217 | route_map_pfx_table_add_default(afi, |
2218 | index); | |
2219 | } | |
2220 | } | |
2221 | } | |
2222 | } | |
2223 | ||
7f5818fb | 2224 | static void route_map_pentry_process_dependency(struct hash_bucket *backet, |
2d26f094 | 2225 | void *data) |
49a08bb0 NT |
2226 | { |
2227 | char *rmap_name = NULL; | |
2228 | struct route_map *rmap = NULL; | |
2229 | struct route_map_index *index = NULL; | |
2230 | struct route_map_rule_list *match_list = NULL; | |
2231 | struct route_map_rule *match = NULL; | |
2232 | struct route_map_dep_data *dep_data = NULL; | |
2233 | struct route_map_pentry_dep *pentry_dep = | |
2d26f094 | 2234 | (struct route_map_pentry_dep *)data; |
49a08bb0 NT |
2235 | unsigned char family = pentry_dep->pentry->prefix.family; |
2236 | ||
2237 | dep_data = (struct route_map_dep_data *)backet->data; | |
2238 | if (!dep_data) | |
2239 | return; | |
2240 | ||
2241 | rmap_name = dep_data->rname; | |
2242 | rmap = route_map_lookup_by_name(rmap_name); | |
2243 | if (!rmap || !rmap->head) | |
2244 | return; | |
2245 | ||
2246 | for (index = rmap->head; index; index = index->next) { | |
2247 | match_list = &index->match_list; | |
2248 | ||
2249 | if (!match_list) | |
2250 | continue; | |
2251 | ||
2252 | for (match = match_list->head; match; match = match->next) { | |
2253 | if (strcmp(match->rule_str, pentry_dep->plist_name) | |
2d26f094 NT |
2254 | == 0) { |
2255 | if (IS_RULE_IPv4_PREFIX_LIST(match->cmd->str) | |
2256 | && family == AF_INET) { | |
49a08bb0 | 2257 | route_map_pentry_update( |
2d26f094 NT |
2258 | pentry_dep->event, |
2259 | pentry_dep->plist_name, index, | |
2260 | pentry_dep->pentry); | |
819a23f9 | 2261 | } else if (IS_RULE_IPv6_PREFIX_LIST( |
2d26f094 NT |
2262 | match->cmd->str) |
2263 | && family == AF_INET6) { | |
49a08bb0 | 2264 | route_map_pentry_update( |
2d26f094 NT |
2265 | pentry_dep->event, |
2266 | pentry_dep->plist_name, index, | |
2267 | pentry_dep->pentry); | |
49a08bb0 NT |
2268 | } |
2269 | } | |
2270 | } | |
2271 | } | |
2272 | } | |
2273 | ||
2d26f094 NT |
2274 | void route_map_notify_pentry_dependencies(const char *affected_name, |
2275 | struct prefix_list_entry *pentry, | |
2276 | route_map_event_t event) | |
49a08bb0 NT |
2277 | { |
2278 | struct route_map_dep *dep = NULL; | |
2279 | struct hash *upd8_hash = NULL; | |
2280 | struct route_map_pentry_dep pentry_dep; | |
2281 | ||
2282 | if (!affected_name || !pentry) | |
2283 | return; | |
2284 | ||
2285 | upd8_hash = route_map_get_dep_hash(event); | |
2286 | if (!upd8_hash) | |
2287 | return; | |
2288 | ||
2289 | dep = (struct route_map_dep *)hash_get(upd8_hash, (void *)affected_name, | |
2290 | NULL); | |
2291 | if (dep) { | |
2292 | if (!dep->this_hash) | |
2293 | dep->this_hash = upd8_hash; | |
2294 | ||
2295 | memset(&pentry_dep, 0, sizeof(struct route_map_pentry_dep)); | |
2296 | pentry_dep.pentry = pentry; | |
2297 | pentry_dep.plist_name = affected_name; | |
2298 | pentry_dep.event = event; | |
2299 | ||
2300 | hash_iterate(dep->dep_rmap_hash, | |
2301 | route_map_pentry_process_dependency, | |
2302 | (void *)&pentry_dep); | |
2303 | } | |
2304 | } | |
2305 | ||
3bf1c917 | 2306 | /* Apply route map's each index to the object. |
2307 | ||
2308 | The matrix for a route-map looks like this: | |
2309 | (note, this includes the description for the "NEXT" | |
2310 | and "GOTO" frobs now | |
d62a17ae | 2311 | |
b68885f9 LK |
2312 | | Match | No Match | No op |
2313 | |-----------|--------------|------- | |
2314 | permit | action | cont | cont. | |
2315 | | | default:deny | default:permit | |
2316 | -------------------+----------------------- | |
2317 | | deny | cont | cont. | |
2318 | deny | | default:deny | default:permit | |
2319 | |-----------|--------------|-------- | |
d62a17ae | 2320 | |
fee0f4c6 | 2321 | action) |
2322 | -Apply Set statements, accept route | |
2323 | -If Call statement is present jump to the specified route-map, if it | |
d62a17ae | 2324 | denies the route we finish. |
fee0f4c6 | 2325 | -If NEXT is specified, goto NEXT statement |
2326 | -If GOTO is specified, goto the first clause where pref > nextpref | |
2327 | -If nothing is specified, do as Cisco and finish | |
2328 | deny) | |
2329 | -Route is denied by route-map. | |
2330 | cont) | |
2331 | -Goto Next index | |
d62a17ae | 2332 | |
3bf1c917 | 2333 | If we get no matches after we've processed all updates, then the route |
2334 | is dropped too. | |
d62a17ae | 2335 | |
fee0f4c6 | 2336 | Some notes on the new "CALL", "NEXT" and "GOTO" |
2337 | call WORD - If this clause is matched, then the set statements | |
d62a17ae | 2338 | are executed and then we jump to route-map 'WORD'. If |
2339 | this route-map denies the route, we finish, in other | |
2340 | case we | |
2341 | do whatever the exit policy (EXIT, NEXT or GOTO) tells. | |
3bf1c917 | 2342 | on-match next - If this clause is matched, then the set statements |
d62a17ae | 2343 | are executed and then we drop through to the next clause |
3bf1c917 | 2344 | on-match goto n - If this clause is matched, then the set statments |
d62a17ae | 2345 | are executed and then we goto the nth clause, or the |
2346 | first clause greater than this. In order to ensure | |
2347 | route-maps *always* exit, you cannot jump backwards. | |
2348 | Sorry ;) | |
2349 | ||
3bf1c917 | 2350 | We need to make sure our route-map processing matches the above |
718e3744 | 2351 | */ |
123214ef MS |
2352 | route_map_result_t route_map_apply(struct route_map *map, |
2353 | const struct prefix *prefix, | |
d62a17ae | 2354 | route_map_object_t type, void *object) |
2355 | { | |
2356 | static int recursion = 0; | |
b68885f9 LK |
2357 | enum route_map_cmd_result_t match_ret = RMAP_NOMATCH; |
2358 | route_map_result_t ret = RMAP_PERMITMATCH; | |
819a23f9 NT |
2359 | struct route_map_index *index = NULL; |
2360 | struct route_map_rule *set = NULL; | |
e3ab8170 | 2361 | char buf[PREFIX_STRLEN]; |
819a23f9 | 2362 | bool skip_match_clause = false; |
d62a17ae | 2363 | |
2364 | if (recursion > RMAP_RECURSION_LIMIT) { | |
040c7c3a | 2365 | flog_warn( |
450971aa | 2366 | EC_LIB_RMAP_RECURSION_LIMIT, |
d62a17ae | 2367 | "route-map recursion limit (%d) reached, discarding route", |
2368 | RMAP_RECURSION_LIMIT); | |
2369 | recursion = 0; | |
2370 | return RMAP_DENYMATCH; | |
2371 | } | |
2372 | ||
b68885f9 | 2373 | if (map == NULL || map->head == NULL) { |
e3ab8170 AD |
2374 | ret = RMAP_DENYMATCH; |
2375 | goto route_map_apply_end; | |
2376 | } | |
d62a17ae | 2377 | |
279b0607 | 2378 | map->applied++; |
819a23f9 | 2379 | |
2d26f094 NT |
2380 | if ((!map->optimization_disabled) |
2381 | && (map->ipv4_prefix_table || map->ipv6_prefix_table)) { | |
2382 | index = route_map_get_index(map, prefix, type, object, | |
819a23f9 NT |
2383 | (uint8_t *)&match_ret); |
2384 | if (index) { | |
2385 | if (rmap_debug) | |
2386 | zlog_debug( | |
2387 | "Best match route-map: %s, sequence: %d for pfx: %s, result: %s", | |
2388 | map->name, index->pref, | |
2389 | prefix2str(prefix, buf, sizeof(buf)), | |
2390 | route_map_cmd_result_str(match_ret)); | |
2391 | } else { | |
2392 | if (rmap_debug) | |
2d26f094 NT |
2393 | zlog_debug( |
2394 | "No best match sequence for pfx: %s in route-map: %s, result: %s", | |
2395 | prefix2str(prefix, buf, sizeof(buf)), | |
2396 | map->name, | |
2397 | route_map_cmd_result_str(match_ret)); | |
819a23f9 NT |
2398 | /* |
2399 | * No index matches this prefix. Return deny unless, | |
2400 | * match_ret = RMAP_NOOP. | |
2401 | */ | |
2402 | if (match_ret == RMAP_NOOP) | |
2403 | ret = RMAP_PERMITMATCH; | |
2404 | else | |
2405 | ret = RMAP_DENYMATCH; | |
2406 | goto route_map_apply_end; | |
e3ab8170 | 2407 | } |
819a23f9 NT |
2408 | skip_match_clause = true; |
2409 | } else { | |
2410 | index = map->head; | |
2411 | } | |
2412 | ||
2413 | for (; index; index = index->next) { | |
a8f58eb6 | 2414 | if (!skip_match_clause) { |
819a23f9 NT |
2415 | /* Apply this index. */ |
2416 | match_ret = route_map_apply_match(&index->match_list, | |
2417 | prefix, type, object); | |
2418 | if (rmap_debug) { | |
2419 | zlog_debug( | |
2420 | "Route-map: %s, sequence: %d, prefix: %s, result: %s", | |
2421 | map->name, index->pref, | |
2422 | prefix2str(prefix, buf, sizeof(buf)), | |
2423 | route_map_cmd_result_str(match_ret)); | |
2424 | } | |
2425 | } else | |
2426 | skip_match_clause = false; | |
2427 | ||
e3ab8170 | 2428 | |
d62a17ae | 2429 | /* Now we apply the matrix from above */ |
b68885f9 LK |
2430 | if (match_ret == RMAP_NOOP) |
2431 | /* | |
2432 | * Do not change the return value. Retain the previous | |
2433 | * return value. Previous values can be: | |
2434 | * 1)permitmatch (if a nomatch was never | |
2435 | * seen before in this route-map.) | |
2436 | * 2)denymatch (if a nomatch was seen earlier in one | |
2437 | * of the previous sequences) | |
2438 | */ | |
2439 | ||
2440 | /* | |
2441 | * 'cont' from matrix - continue to next route-map | |
2442 | * sequence | |
2443 | */ | |
d62a17ae | 2444 | continue; |
b68885f9 LK |
2445 | else if (match_ret == RMAP_NOMATCH) { |
2446 | ||
2447 | /* | |
2448 | * The return value is now changed to denymatch. | |
2449 | * So from here on out, even if we see more noops, | |
2450 | * we retain this return value and return this | |
2451 | * eventually if there are no matches. | |
2452 | */ | |
2453 | ret = RMAP_DENYMATCH; | |
2454 | ||
2455 | /* | |
2456 | * 'cont' from matrix - continue to next route-map | |
2457 | * sequence | |
2458 | */ | |
2459 | continue; | |
2460 | } else if (match_ret == RMAP_MATCH) { | |
d62a17ae | 2461 | if (index->type == RMAP_PERMIT) |
2462 | /* 'action' */ | |
2463 | { | |
b68885f9 LK |
2464 | /* Match succeeded, rmap is of type permit */ |
2465 | ret = RMAP_PERMITMATCH; | |
2466 | ||
d62a17ae | 2467 | /* permit+match must execute sets */ |
2468 | for (set = index->set_list.head; set; | |
2469 | set = set->next) | |
b68885f9 LK |
2470 | /* |
2471 | * set cmds return RMAP_OKAY or | |
2472 | * RMAP_ERROR. We do not care if | |
2473 | * set succeeded or not. So, ignore | |
2474 | * return code. | |
2475 | */ | |
2476 | (void) (*set->cmd->func_apply)( | |
2789041a LK |
2477 | set->value, prefix, type, |
2478 | object); | |
d62a17ae | 2479 | |
2480 | /* Call another route-map if available */ | |
2481 | if (index->nextrm) { | |
2482 | struct route_map *nextrm = | |
2483 | route_map_lookup_by_name( | |
2484 | index->nextrm); | |
2485 | ||
2486 | if (nextrm) /* Target route-map found, | |
2487 | jump to it */ | |
2488 | { | |
2489 | recursion++; | |
2490 | ret = route_map_apply( | |
2491 | nextrm, prefix, type, | |
2492 | object); | |
2493 | recursion--; | |
2494 | } | |
2495 | ||
2496 | /* If nextrm returned 'deny', finish. */ | |
2497 | if (ret == RMAP_DENYMATCH) | |
e3ab8170 | 2498 | goto route_map_apply_end; |
d62a17ae | 2499 | } |
2500 | ||
2501 | switch (index->exitpolicy) { | |
2502 | case RMAP_EXIT: | |
e3ab8170 | 2503 | goto route_map_apply_end; |
d62a17ae | 2504 | case RMAP_NEXT: |
2505 | continue; | |
2506 | case RMAP_GOTO: { | |
2507 | /* Find the next clause to jump to */ | |
2508 | struct route_map_index *next = | |
2509 | index->next; | |
2510 | int nextpref = index->nextpref; | |
2511 | ||
2512 | while (next && next->pref < nextpref) { | |
2513 | index = next; | |
2514 | next = next->next; | |
2515 | } | |
2516 | if (next == NULL) { | |
2517 | /* No clauses match! */ | |
e3ab8170 | 2518 | goto route_map_apply_end; |
d62a17ae | 2519 | } |
2520 | } | |
2521 | } | |
2522 | } else if (index->type == RMAP_DENY) | |
2523 | /* 'deny' */ | |
2524 | { | |
e3ab8170 AD |
2525 | ret = RMAP_DENYMATCH; |
2526 | goto route_map_apply_end; | |
d62a17ae | 2527 | } |
2528 | } | |
2529 | } | |
e3ab8170 AD |
2530 | |
2531 | route_map_apply_end: | |
2532 | if (rmap_debug) { | |
2533 | zlog_debug("Route-map: %s, prefix: %s, result: %s", | |
2534 | (map ? map->name : "null"), | |
2535 | prefix2str(prefix, buf, sizeof(buf)), | |
2536 | route_map_result_str(ret)); | |
2537 | } | |
2538 | ||
2539 | return (ret); | |
d62a17ae | 2540 | } |
2541 | ||
2542 | void route_map_add_hook(void (*func)(const char *)) | |
2543 | { | |
2544 | route_map_master.add_hook = func; | |
2545 | } | |
2546 | ||
2547 | void route_map_delete_hook(void (*func)(const char *)) | |
2548 | { | |
2549 | route_map_master.delete_hook = func; | |
2550 | } | |
2551 | ||
097b5973 | 2552 | void route_map_event_hook(void (*func)(const char *name)) |
d62a17ae | 2553 | { |
2554 | route_map_master.event_hook = func; | |
718e3744 | 2555 | } |
2556 | ||
518f0eb1 | 2557 | /* Routines for route map dependency lists and dependency processing */ |
74df8d6d | 2558 | static bool route_map_rmap_hash_cmp(const void *p1, const void *p2) |
518f0eb1 | 2559 | { |
e2c8d6ce NT |
2560 | return strcmp(((const struct route_map_dep_data *)p1)->rname, |
2561 | ((const struct route_map_dep_data *)p2)->rname) | |
2562 | == 0; | |
518f0eb1 DS |
2563 | } |
2564 | ||
74df8d6d | 2565 | static bool route_map_dep_hash_cmp(const void *p1, const void *p2) |
518f0eb1 DS |
2566 | { |
2567 | ||
d62a17ae | 2568 | return (strcmp(((const struct route_map_dep *)p1)->dep_name, |
2569 | (const char *)p2) | |
2570 | == 0); | |
518f0eb1 DS |
2571 | } |
2572 | ||
e3b78da8 | 2573 | static void route_map_clear_reference(struct hash_bucket *bucket, void *arg) |
518f0eb1 | 2574 | { |
e2c8d6ce NT |
2575 | struct route_map_dep *dep = bucket->data; |
2576 | struct route_map_dep_data *dep_data = NULL, tmp_dep_data; | |
518f0eb1 | 2577 | |
1fae5ff2 | 2578 | if (arg) { |
e2c8d6ce NT |
2579 | memset(&tmp_dep_data, 0, sizeof(struct route_map_dep_data)); |
2580 | tmp_dep_data.rname = arg; | |
2581 | dep_data = hash_release(dep->dep_rmap_hash, | |
2582 | &tmp_dep_data); | |
2583 | if (dep_data) { | |
2584 | XFREE(MTYPE_ROUTE_MAP_NAME, dep_data->rname); | |
2585 | XFREE(MTYPE_ROUTE_MAP_DEP_DATA, dep_data); | |
d62a17ae | 2586 | } |
2587 | if (!dep->dep_rmap_hash->count) { | |
2588 | dep = hash_release(dep->this_hash, | |
2589 | (void *)dep->dep_name); | |
2590 | hash_free(dep->dep_rmap_hash); | |
2591 | XFREE(MTYPE_ROUTE_MAP_NAME, dep->dep_name); | |
2592 | XFREE(MTYPE_ROUTE_MAP_DEP, dep); | |
2593 | } | |
518f0eb1 | 2594 | } |
d62a17ae | 2595 | } |
2596 | ||
2597 | static void route_map_clear_all_references(char *rmap_name) | |
2598 | { | |
2599 | int i; | |
2600 | ||
2601 | for (i = 1; i < ROUTE_MAP_DEP_MAX; i++) { | |
2602 | hash_iterate(route_map_dep_hash[i], route_map_clear_reference, | |
2603 | (void *)rmap_name); | |
518f0eb1 | 2604 | } |
518f0eb1 DS |
2605 | } |
2606 | ||
e2c8d6ce NT |
2607 | static unsigned int route_map_dep_data_hash_make_key(const void *p) |
2608 | { | |
2609 | const struct route_map_dep_data *dep_data = p; | |
2610 | ||
2611 | return string_hash_make(dep_data->rname); | |
2612 | } | |
2613 | ||
d62a17ae | 2614 | static void *route_map_dep_hash_alloc(void *p) |
518f0eb1 | 2615 | { |
d62a17ae | 2616 | char *dep_name = (char *)p; |
2617 | struct route_map_dep *dep_entry; | |
2618 | ||
2619 | dep_entry = XCALLOC(MTYPE_ROUTE_MAP_DEP, sizeof(struct route_map_dep)); | |
2620 | dep_entry->dep_name = XSTRDUP(MTYPE_ROUTE_MAP_NAME, dep_name); | |
996c9314 | 2621 | dep_entry->dep_rmap_hash = |
e2c8d6ce | 2622 | hash_create_size(8, route_map_dep_data_hash_make_key, |
996c9314 | 2623 | route_map_rmap_hash_cmp, "Route Map Dep Hash"); |
d62a17ae | 2624 | dep_entry->this_hash = NULL; |
2625 | ||
e2c8d6ce | 2626 | return dep_entry; |
d62a17ae | 2627 | } |
518f0eb1 | 2628 | |
d62a17ae | 2629 | static void *route_map_name_hash_alloc(void *p) |
2630 | { | |
e2c8d6ce NT |
2631 | struct route_map_dep_data *dep_data = NULL, *tmp_dep_data = NULL; |
2632 | ||
2633 | dep_data = XCALLOC(MTYPE_ROUTE_MAP_DEP_DATA, | |
2634 | sizeof(struct route_map_dep_data)); | |
2635 | tmp_dep_data = p; | |
2636 | dep_data->rname = XSTRDUP(MTYPE_ROUTE_MAP_NAME, tmp_dep_data->rname); | |
2637 | return dep_data; | |
518f0eb1 DS |
2638 | } |
2639 | ||
d8b87afe | 2640 | static unsigned int route_map_dep_hash_make_key(const void *p) |
518f0eb1 | 2641 | { |
d62a17ae | 2642 | return (string_hash_make((char *)p)); |
2643 | } | |
518f0eb1 | 2644 | |
e3b78da8 | 2645 | static void route_map_print_dependency(struct hash_bucket *bucket, void *data) |
d62a17ae | 2646 | { |
e2c8d6ce NT |
2647 | struct route_map_dep_data *dep_data = bucket->data; |
2648 | char *rmap_name = dep_data->rname; | |
2649 | char *dep_name = data; | |
518f0eb1 | 2650 | |
15569c58 | 2651 | zlog_debug("%s: Dependency for %s: %s", __func__, dep_name, rmap_name); |
518f0eb1 DS |
2652 | } |
2653 | ||
d62a17ae | 2654 | static int route_map_dep_update(struct hash *dephash, const char *dep_name, |
2655 | const char *rmap_name, route_map_event_t type) | |
518f0eb1 | 2656 | { |
d62a17ae | 2657 | struct route_map_dep *dep = NULL; |
d62a17ae | 2658 | char *dname, *rname; |
2659 | int ret = 0; | |
e2c8d6ce NT |
2660 | struct route_map_dep_data *dep_data = NULL, *ret_dep_data = NULL; |
2661 | struct route_map_dep_data tmp_dep_data; | |
d62a17ae | 2662 | |
2663 | dname = XSTRDUP(MTYPE_ROUTE_MAP_NAME, dep_name); | |
2664 | rname = XSTRDUP(MTYPE_ROUTE_MAP_NAME, rmap_name); | |
2665 | ||
2666 | switch (type) { | |
2667 | case RMAP_EVENT_PLIST_ADDED: | |
2668 | case RMAP_EVENT_CLIST_ADDED: | |
2669 | case RMAP_EVENT_ECLIST_ADDED: | |
2670 | case RMAP_EVENT_ASLIST_ADDED: | |
2671 | case RMAP_EVENT_LLIST_ADDED: | |
2672 | case RMAP_EVENT_CALL_ADDED: | |
2673 | case RMAP_EVENT_FILTER_ADDED: | |
2674 | if (rmap_debug) | |
e3ab8170 AD |
2675 | zlog_debug("Adding dependency for filter %s in route-map %s", |
2676 | dep_name, rmap_name); | |
d62a17ae | 2677 | dep = (struct route_map_dep *)hash_get( |
2678 | dephash, dname, route_map_dep_hash_alloc); | |
2679 | if (!dep) { | |
2680 | ret = -1; | |
2681 | goto out; | |
2682 | } | |
2683 | ||
2684 | if (!dep->this_hash) | |
2685 | dep->this_hash = dephash; | |
2686 | ||
e2c8d6ce NT |
2687 | memset(&tmp_dep_data, 0, sizeof(struct route_map_dep_data)); |
2688 | tmp_dep_data.rname = rname; | |
2689 | dep_data = hash_lookup(dep->dep_rmap_hash, &tmp_dep_data); | |
2690 | if (!dep_data) | |
2691 | dep_data = hash_get(dep->dep_rmap_hash, &tmp_dep_data, | |
2692 | route_map_name_hash_alloc); | |
2693 | ||
2694 | dep_data->refcnt++; | |
d62a17ae | 2695 | break; |
2696 | case RMAP_EVENT_PLIST_DELETED: | |
2697 | case RMAP_EVENT_CLIST_DELETED: | |
2698 | case RMAP_EVENT_ECLIST_DELETED: | |
2699 | case RMAP_EVENT_ASLIST_DELETED: | |
2700 | case RMAP_EVENT_LLIST_DELETED: | |
2701 | case RMAP_EVENT_CALL_DELETED: | |
2702 | case RMAP_EVENT_FILTER_DELETED: | |
2703 | if (rmap_debug) | |
e3ab8170 AD |
2704 | zlog_debug("Deleting dependency for filter %s in route-map %s", |
2705 | dep_name, rmap_name); | |
d62a17ae | 2706 | dep = (struct route_map_dep *)hash_get(dephash, dname, NULL); |
2707 | if (!dep) { | |
2708 | goto out; | |
2709 | } | |
2710 | ||
e2c8d6ce NT |
2711 | memset(&tmp_dep_data, 0, sizeof(struct route_map_dep_data)); |
2712 | tmp_dep_data.rname = rname; | |
2713 | dep_data = hash_lookup(dep->dep_rmap_hash, &tmp_dep_data); | |
c415a4dc DA |
2714 | |
2715 | if (!dep_data) | |
2716 | goto out; | |
2717 | ||
2718 | if (dep_data->refcnt) | |
2719 | dep_data->refcnt--; | |
e2c8d6ce NT |
2720 | |
2721 | if (!dep_data->refcnt) { | |
2722 | ret_dep_data = hash_release(dep->dep_rmap_hash, | |
2723 | &tmp_dep_data); | |
2724 | if (ret_dep_data) { | |
2725 | XFREE(MTYPE_ROUTE_MAP_NAME, | |
2726 | ret_dep_data->rname); | |
2727 | XFREE(MTYPE_ROUTE_MAP_DEP_DATA, ret_dep_data); | |
2728 | } | |
2729 | } | |
d62a17ae | 2730 | |
2731 | if (!dep->dep_rmap_hash->count) { | |
2732 | dep = hash_release(dephash, dname); | |
2733 | hash_free(dep->dep_rmap_hash); | |
2734 | XFREE(MTYPE_ROUTE_MAP_NAME, dep->dep_name); | |
2735 | XFREE(MTYPE_ROUTE_MAP_DEP, dep); | |
d62a17ae | 2736 | } |
2737 | break; | |
ba1707ca DS |
2738 | case RMAP_EVENT_SET_ADDED: |
2739 | case RMAP_EVENT_SET_DELETED: | |
2740 | case RMAP_EVENT_SET_REPLACED: | |
2741 | case RMAP_EVENT_MATCH_ADDED: | |
2742 | case RMAP_EVENT_MATCH_DELETED: | |
2743 | case RMAP_EVENT_MATCH_REPLACED: | |
2744 | case RMAP_EVENT_INDEX_ADDED: | |
2745 | case RMAP_EVENT_INDEX_DELETED: | |
d62a17ae | 2746 | break; |
2747 | } | |
2748 | ||
2749 | if (dep) { | |
2750 | if (rmap_debug) | |
2751 | hash_iterate(dep->dep_rmap_hash, | |
2752 | route_map_print_dependency, dname); | |
2753 | } | |
2754 | ||
2755 | out: | |
2756 | XFREE(MTYPE_ROUTE_MAP_NAME, rname); | |
2757 | XFREE(MTYPE_ROUTE_MAP_NAME, dname); | |
2758 | return ret; | |
2759 | } | |
2760 | ||
2761 | static struct hash *route_map_get_dep_hash(route_map_event_t event) | |
2762 | { | |
2763 | struct hash *upd8_hash = NULL; | |
2764 | ||
2765 | switch (event) { | |
2766 | case RMAP_EVENT_PLIST_ADDED: | |
2767 | case RMAP_EVENT_PLIST_DELETED: | |
2768 | upd8_hash = route_map_dep_hash[ROUTE_MAP_DEP_PLIST]; | |
2769 | break; | |
2770 | case RMAP_EVENT_CLIST_ADDED: | |
2771 | case RMAP_EVENT_CLIST_DELETED: | |
2772 | upd8_hash = route_map_dep_hash[ROUTE_MAP_DEP_CLIST]; | |
2773 | break; | |
2774 | case RMAP_EVENT_ECLIST_ADDED: | |
2775 | case RMAP_EVENT_ECLIST_DELETED: | |
2776 | upd8_hash = route_map_dep_hash[ROUTE_MAP_DEP_ECLIST]; | |
2777 | break; | |
2778 | case RMAP_EVENT_ASLIST_ADDED: | |
2779 | case RMAP_EVENT_ASLIST_DELETED: | |
2780 | upd8_hash = route_map_dep_hash[ROUTE_MAP_DEP_ASPATH]; | |
2781 | break; | |
2782 | case RMAP_EVENT_LLIST_ADDED: | |
2783 | case RMAP_EVENT_LLIST_DELETED: | |
2784 | upd8_hash = route_map_dep_hash[ROUTE_MAP_DEP_LCLIST]; | |
2785 | break; | |
2786 | case RMAP_EVENT_CALL_ADDED: | |
2787 | case RMAP_EVENT_CALL_DELETED: | |
5ed2e47b | 2788 | case RMAP_EVENT_MATCH_ADDED: |
2789 | case RMAP_EVENT_MATCH_DELETED: | |
d62a17ae | 2790 | upd8_hash = route_map_dep_hash[ROUTE_MAP_DEP_RMAP]; |
2791 | break; | |
2792 | case RMAP_EVENT_FILTER_ADDED: | |
2793 | case RMAP_EVENT_FILTER_DELETED: | |
2794 | upd8_hash = route_map_dep_hash[ROUTE_MAP_DEP_FILTER]; | |
2795 | break; | |
ba1707ca DS |
2796 | /* |
2797 | * Should we actually be ignoring these? | |
2798 | * I am not sure but at this point in time, let | |
2799 | * us get them into this switch and we can peel | |
2800 | * them into the appropriate place in the future | |
2801 | */ | |
2802 | case RMAP_EVENT_SET_ADDED: | |
2803 | case RMAP_EVENT_SET_DELETED: | |
2804 | case RMAP_EVENT_SET_REPLACED: | |
2805 | case RMAP_EVENT_MATCH_REPLACED: | |
2806 | case RMAP_EVENT_INDEX_ADDED: | |
2807 | case RMAP_EVENT_INDEX_DELETED: | |
d62a17ae | 2808 | upd8_hash = NULL; |
2809 | break; | |
2810 | } | |
2811 | return (upd8_hash); | |
518f0eb1 DS |
2812 | } |
2813 | ||
e3b78da8 | 2814 | static void route_map_process_dependency(struct hash_bucket *bucket, void *data) |
518f0eb1 | 2815 | { |
e2c8d6ce NT |
2816 | struct route_map_dep_data *dep_data = NULL; |
2817 | char *rmap_name = NULL; | |
2818 | ||
2819 | dep_data = bucket->data; | |
2820 | rmap_name = dep_data->rname; | |
d62a17ae | 2821 | |
1fae5ff2 | 2822 | if (rmap_debug) |
e3ab8170 | 2823 | zlog_debug("Notifying %s of dependency", rmap_name); |
1fae5ff2 | 2824 | if (route_map_master.event_hook) |
097b5973 | 2825 | (*route_map_master.event_hook)(rmap_name); |
518f0eb1 DS |
2826 | } |
2827 | ||
d62a17ae | 2828 | void route_map_upd8_dependency(route_map_event_t type, const char *arg, |
2829 | const char *rmap_name) | |
518f0eb1 | 2830 | { |
d62a17ae | 2831 | struct hash *upd8_hash = NULL; |
518f0eb1 | 2832 | |
fdf823db | 2833 | if ((upd8_hash = route_map_get_dep_hash(type))) { |
d62a17ae | 2834 | route_map_dep_update(upd8_hash, arg, rmap_name, type); |
fdf823db NT |
2835 | |
2836 | if (type == RMAP_EVENT_CALL_ADDED) { | |
2837 | /* Execute hook. */ | |
2838 | if (route_map_master.add_hook) | |
2839 | (*route_map_master.add_hook)(rmap_name); | |
2840 | } else if (type == RMAP_EVENT_CALL_DELETED) { | |
2841 | /* Execute hook. */ | |
2842 | if (route_map_master.delete_hook) | |
2843 | (*route_map_master.delete_hook)(rmap_name); | |
2844 | } | |
2845 | } | |
518f0eb1 DS |
2846 | } |
2847 | ||
d62a17ae | 2848 | void route_map_notify_dependencies(const char *affected_name, |
2849 | route_map_event_t event) | |
518f0eb1 | 2850 | { |
d62a17ae | 2851 | struct route_map_dep *dep; |
2852 | struct hash *upd8_hash; | |
2853 | char *name; | |
2854 | ||
2855 | if (!affected_name) | |
2856 | return; | |
2857 | ||
2858 | name = XSTRDUP(MTYPE_ROUTE_MAP_NAME, affected_name); | |
2859 | ||
2860 | if ((upd8_hash = route_map_get_dep_hash(event)) == NULL) { | |
2861 | XFREE(MTYPE_ROUTE_MAP_NAME, name); | |
2862 | return; | |
518f0eb1 | 2863 | } |
d62a17ae | 2864 | |
2865 | dep = (struct route_map_dep *)hash_get(upd8_hash, name, NULL); | |
2866 | if (dep) { | |
2867 | if (!dep->this_hash) | |
2868 | dep->this_hash = upd8_hash; | |
2869 | ||
e3ab8170 AD |
2870 | if (rmap_debug) |
2871 | zlog_debug("Filter %s updated", dep->dep_name); | |
d62a17ae | 2872 | hash_iterate(dep->dep_rmap_hash, route_map_process_dependency, |
2873 | (void *)event); | |
2874 | } | |
2875 | ||
2876 | XFREE(MTYPE_ROUTE_MAP_NAME, name); | |
518f0eb1 DS |
2877 | } |
2878 | ||
718e3744 | 2879 | /* VTY related functions. */ |
2d26f094 NT |
2880 | DEFUN(no_routemap_optimization, no_routemap_optimization_cmd, |
2881 | "no route-map optimization", | |
2882 | NO_STR | |
2883 | "route-map\n" | |
2884 | "optimization\n") | |
49a08bb0 NT |
2885 | { |
2886 | VTY_DECLVAR_CONTEXT(route_map_index, index); | |
2887 | ||
2888 | index->map->optimization_disabled = true; | |
2889 | return CMD_SUCCESS; | |
2890 | } | |
2891 | ||
2d26f094 NT |
2892 | DEFUN(routemap_optimization, routemap_optimization_cmd, |
2893 | "route-map optimization", | |
2894 | "route-map\n" | |
2895 | "optimization\n") | |
49a08bb0 NT |
2896 | { |
2897 | VTY_DECLVAR_CONTEXT(route_map_index, index); | |
2898 | ||
2899 | index->map->optimization_disabled = false; | |
2900 | return CMD_SUCCESS; | |
2901 | } | |
82f97584 | 2902 | |
1fa30509 DS |
2903 | static void clear_route_map_helper(struct route_map *map) |
2904 | { | |
2905 | struct route_map_index *index; | |
2906 | ||
2907 | map->applied_clear = map->applied; | |
2908 | for (index = map->head; index; index = index->next) | |
2909 | index->applied_clear = index->applied; | |
2910 | } | |
2911 | ||
2912 | DEFUN (rmap_clear_counters, | |
2913 | rmap_clear_counters_cmd, | |
2914 | "clear route-map counters [WORD]", | |
2915 | CLEAR_STR | |
2916 | "route-map information\n" | |
2917 | "counters associated with the specified route-map\n" | |
2918 | "route-map name\n") | |
2919 | { | |
2920 | int idx_word = 2; | |
2921 | struct route_map *map; | |
2922 | ||
2923 | const char *name = (argc == 3 ) ? argv[idx_word]->arg : NULL; | |
2924 | ||
2925 | if (name) { | |
2926 | map = route_map_lookup_by_name(name); | |
2927 | ||
2928 | if (map) | |
2929 | clear_route_map_helper(map); | |
2930 | else { | |
2931 | vty_out(vty, "%s: 'route-map %s' not found\n", | |
2932 | frr_protonameinst, name); | |
2933 | return CMD_SUCCESS; | |
2934 | } | |
2935 | } else { | |
2936 | for (map = route_map_master.head; map; map = map->next) | |
2937 | clear_route_map_helper(map); | |
2938 | } | |
2939 | ||
2940 | return CMD_SUCCESS; | |
2941 | ||
2942 | } | |
5510e83b | 2943 | |
6d2729e3 | 2944 | DEFUN (rmap_show_name, |
5510e83b | 2945 | rmap_show_name_cmd, |
7514fb77 | 2946 | "show route-map [WORD]", |
5510e83b | 2947 | SHOW_STR |
2948 | "route-map information\n" | |
2949 | "route-map name\n") | |
2950 | { | |
d62a17ae | 2951 | int idx_word = 2; |
2952 | const char *name = (argc == 3) ? argv[idx_word]->arg : NULL; | |
2953 | return vty_show_route_map(vty, name); | |
5510e83b | 2954 | } |
2955 | ||
4a2a09d0 | 2956 | DEFUN (rmap_show_unused, |
2957 | rmap_show_unused_cmd, | |
2958 | "show route-map-unused", | |
2959 | SHOW_STR | |
2960 | "unused route-map information\n") | |
2961 | { | |
2962 | return vty_show_unused_route_map(vty); | |
2963 | } | |
2964 | ||
e3ab8170 AD |
2965 | DEFUN (debug_rmap, |
2966 | debug_rmap_cmd, | |
2967 | "debug route-map", | |
2968 | DEBUG_STR | |
2969 | "Debug option set for route-maps\n") | |
2970 | { | |
2971 | rmap_debug = true; | |
2972 | return CMD_SUCCESS; | |
2973 | } | |
2974 | ||
2975 | DEFUN (no_debug_rmap, | |
2976 | no_debug_rmap_cmd, | |
2977 | "no debug route-map", | |
2978 | NO_STR | |
2979 | DEBUG_STR | |
2980 | "Debug option set for route-maps\n") | |
2981 | { | |
2982 | rmap_debug = false; | |
2983 | return CMD_SUCCESS; | |
2984 | } | |
2985 | ||
2986 | /* Debug node. */ | |
612c2c15 | 2987 | static int rmap_config_write_debug(struct vty *vty); |
62b346ee | 2988 | static struct cmd_node rmap_debug_node = { |
f4b8291f | 2989 | .name = "route-map debug", |
62b346ee DL |
2990 | .node = RMAP_DEBUG_NODE, |
2991 | .prompt = "", | |
612c2c15 | 2992 | .config_write = rmap_config_write_debug, |
62b346ee | 2993 | }; |
e3ab8170 | 2994 | |
718e3744 | 2995 | /* Configuration write function. */ |
e3ab8170 AD |
2996 | static int rmap_config_write_debug(struct vty *vty) |
2997 | { | |
2998 | int write = 0; | |
2999 | ||
3000 | if (rmap_debug) { | |
3001 | vty_out(vty, "debug route-map\n"); | |
3002 | write++; | |
3003 | } | |
3004 | ||
3005 | return write; | |
3006 | } | |
3007 | ||
dc9ffce8 CF |
3008 | /* Common route map rules */ |
3009 | ||
d62a17ae | 3010 | void *route_map_rule_tag_compile(const char *arg) |
dc9ffce8 | 3011 | { |
d62a17ae | 3012 | unsigned long int tmp; |
3013 | char *endptr; | |
3014 | route_tag_t *tag; | |
dc9ffce8 | 3015 | |
d62a17ae | 3016 | errno = 0; |
3017 | tmp = strtoul(arg, &endptr, 0); | |
3018 | if (arg[0] == '\0' || *endptr != '\0' || errno || tmp > ROUTE_TAG_MAX) | |
3019 | return NULL; | |
dc9ffce8 | 3020 | |
d62a17ae | 3021 | tag = XMALLOC(MTYPE_ROUTE_MAP_COMPILED, sizeof(*tag)); |
3022 | *tag = tmp; | |
dc9ffce8 | 3023 | |
d62a17ae | 3024 | return tag; |
dc9ffce8 CF |
3025 | } |
3026 | ||
d62a17ae | 3027 | void route_map_rule_tag_free(void *rule) |
dc9ffce8 | 3028 | { |
d62a17ae | 3029 | XFREE(MTYPE_ROUTE_MAP_COMPILED, rule); |
dc9ffce8 CF |
3030 | } |
3031 | ||
d62a17ae | 3032 | void route_map_finish(void) |
9df78e7c | 3033 | { |
d62a17ae | 3034 | int i; |
9df78e7c | 3035 | |
d62a17ae | 3036 | vector_free(route_match_vec); |
3037 | route_match_vec = NULL; | |
3038 | vector_free(route_set_vec); | |
3039 | route_set_vec = NULL; | |
9df78e7c | 3040 | |
8619629a DS |
3041 | /* |
3042 | * All protocols are setting these to NULL | |
3043 | * by default on shutdown( route_map_finish ) | |
3044 | * Why are we making them do this work? | |
3045 | */ | |
3046 | route_map_master.add_hook = NULL; | |
3047 | route_map_master.delete_hook = NULL; | |
3048 | route_map_master.event_hook = NULL; | |
3049 | ||
d62a17ae | 3050 | /* cleanup route_map */ |
3051 | while (route_map_master.head) { | |
3052 | struct route_map *map = route_map_master.head; | |
e4694d0d | 3053 | map->to_be_processed = false; |
d62a17ae | 3054 | route_map_delete(map); |
3055 | } | |
9df78e7c | 3056 | |
d62a17ae | 3057 | for (i = 1; i < ROUTE_MAP_DEP_MAX; i++) { |
3058 | hash_free(route_map_dep_hash[i]); | |
3059 | route_map_dep_hash[i] = NULL; | |
3060 | } | |
9df78e7c | 3061 | |
d62a17ae | 3062 | hash_free(route_map_master_hash); |
3063 | route_map_master_hash = NULL; | |
9df78e7c DS |
3064 | } |
3065 | ||
4a2a09d0 | 3066 | /* Increment the use_count counter while attaching the route map */ |
3067 | void route_map_counter_increment(struct route_map *map) | |
3068 | { | |
3069 | if (map) | |
3070 | map->use_count++; | |
3071 | } | |
3072 | ||
3073 | /* Decrement the use_count counter while detaching the route map. */ | |
3074 | void route_map_counter_decrement(struct route_map *map) | |
3075 | { | |
3076 | if (map) { | |
3077 | if (map->use_count <= 0) | |
3078 | return; | |
3079 | map->use_count--; | |
3080 | } | |
3081 | } | |
3082 | ||
2d26f094 NT |
3083 | DEFUN_HIDDEN(show_route_map_pfx_tbl, show_route_map_pfx_tbl_cmd, |
3084 | "show route-map WORD prefix-table", | |
3085 | SHOW_STR | |
3086 | "route-map\n" | |
3087 | "route-map name\n" | |
3088 | "internal prefix-table\n") | |
3089 | { | |
3090 | const char *rmap_name = argv[2]->arg; | |
3091 | struct route_map *rmap = NULL; | |
3092 | struct route_table *rm_pfx_tbl4 = NULL; | |
3093 | struct route_table *rm_pfx_tbl6 = NULL; | |
3094 | struct route_node *rn = NULL, *prn = NULL; | |
3095 | struct list *rmap_index_list = NULL; | |
3096 | struct listnode *ln = NULL, *nln = NULL; | |
3097 | struct route_map_index *index = NULL; | |
3098 | struct prefix *p = NULL, *pp = NULL; | |
3099 | char buf[SU_ADDRSTRLEN], pbuf[SU_ADDRSTRLEN]; | |
3100 | uint8_t len = 54; | |
3101 | ||
3102 | vty_out(vty, "%s:\n", frr_protonameinst); | |
3103 | rmap = route_map_lookup_by_name(rmap_name); | |
3104 | if (rmap) { | |
3105 | rm_pfx_tbl4 = rmap->ipv4_prefix_table; | |
3106 | if (rm_pfx_tbl4) { | |
3107 | vty_out(vty, "\n%s%43s%s\n", "IPv4 Prefix", "", | |
3108 | "Route-map Index List"); | |
3109 | vty_out(vty, "%s%39s%s\n", "_______________", "", | |
3110 | "____________________"); | |
3111 | for (rn = route_top(rm_pfx_tbl4); rn; | |
3112 | rn = route_next(rn)) { | |
3113 | p = &rn->p; | |
3114 | ||
3115 | vty_out(vty, " %s/%d (%d)\n", | |
3116 | inet_ntop(p->family, &p->u.prefix, buf, | |
3117 | SU_ADDRSTRLEN), | |
3118 | p->prefixlen, rn->lock); | |
3119 | ||
3120 | vty_out(vty, "(P) "); | |
3121 | prn = rn->parent; | |
3122 | if (prn) { | |
3123 | pp = &prn->p; | |
3124 | vty_out(vty, "%s/%d\n", | |
3125 | inet_ntop(pp->family, | |
3126 | &pp->u.prefix, pbuf, | |
3127 | SU_ADDRSTRLEN), | |
3128 | pp->prefixlen); | |
3129 | } | |
3130 | ||
3131 | vty_out(vty, "\n"); | |
3132 | rmap_index_list = (struct list *)rn->info; | |
3133 | if (!rmap_index_list | |
3134 | || !listcount(rmap_index_list)) | |
3135 | vty_out(vty, "%*s%s\n", len, "", "-"); | |
3136 | else | |
3137 | for (ALL_LIST_ELEMENTS(rmap_index_list, | |
3138 | ln, nln, | |
3139 | index)) { | |
3140 | vty_out(vty, "%*s%s seq %d\n", | |
3141 | len, "", | |
3142 | index->map->name, | |
3143 | index->pref); | |
3144 | } | |
3145 | vty_out(vty, "\n"); | |
3146 | } | |
3147 | } | |
3148 | ||
3149 | rm_pfx_tbl6 = rmap->ipv6_prefix_table; | |
3150 | if (rm_pfx_tbl6) { | |
3151 | vty_out(vty, "\n%s%43s%s\n", "IPv6 Prefix", "", | |
3152 | "Route-map Index List"); | |
3153 | vty_out(vty, "%s%39s%s\n", "_______________", "", | |
3154 | "____________________"); | |
3155 | for (rn = route_top(rm_pfx_tbl6); rn; | |
3156 | rn = route_next(rn)) { | |
3157 | p = &rn->p; | |
3158 | ||
3159 | vty_out(vty, " %s/%d (%d)\n", | |
3160 | inet_ntop(p->family, &p->u.prefix, buf, | |
3161 | SU_ADDRSTRLEN), | |
3162 | p->prefixlen, rn->lock); | |
3163 | ||
3164 | vty_out(vty, "(P) "); | |
3165 | prn = rn->parent; | |
3166 | if (prn) { | |
3167 | pp = &prn->p; | |
3168 | vty_out(vty, "%s/%d\n", | |
3169 | inet_ntop(pp->family, | |
3170 | &pp->u.prefix, pbuf, | |
3171 | SU_ADDRSTRLEN), | |
3172 | pp->prefixlen); | |
3173 | } | |
3174 | ||
3175 | vty_out(vty, "\n"); | |
3176 | rmap_index_list = (struct list *)rn->info; | |
3177 | if (!rmap_index_list | |
3178 | || !listcount(rmap_index_list)) | |
3179 | vty_out(vty, "%*s%s\n", len, "", "-"); | |
3180 | else | |
3181 | for (ALL_LIST_ELEMENTS(rmap_index_list, | |
3182 | ln, nln, | |
3183 | index)) { | |
3184 | vty_out(vty, "%*s%s seq %d\n", | |
3185 | len, "", | |
3186 | index->map->name, | |
3187 | index->pref); | |
3188 | } | |
3189 | vty_out(vty, "\n"); | |
3190 | } | |
3191 | } | |
3192 | } | |
3193 | ||
3194 | vty_out(vty, "\n"); | |
3195 | return CMD_SUCCESS; | |
3196 | } | |
3197 | ||
718e3744 | 3198 | /* Initialization of route map vector. */ |
d62a17ae | 3199 | void route_map_init(void) |
718e3744 | 3200 | { |
d62a17ae | 3201 | int i; |
3202 | ||
3203 | /* Make vector for match and set. */ | |
3204 | route_match_vec = vector_init(1); | |
3205 | route_set_vec = vector_init(1); | |
3206 | route_map_master_hash = | |
996c9314 | 3207 | hash_create_size(8, route_map_hash_key_make, route_map_hash_cmp, |
bd74dc61 | 3208 | "Route Map Master Hash"); |
d62a17ae | 3209 | |
3210 | for (i = 1; i < ROUTE_MAP_DEP_MAX; i++) | |
996c9314 LB |
3211 | route_map_dep_hash[i] = hash_create_size( |
3212 | 8, route_map_dep_hash_make_key, route_map_dep_hash_cmp, | |
3213 | "Route Map Dep Hash"); | |
b2575bc0 | 3214 | |
e3ab8170 AD |
3215 | rmap_debug = false; |
3216 | ||
2b3e4807 | 3217 | route_map_cli_init(); |
518f0eb1 | 3218 | |
2b3e4807 | 3219 | /* Install route map top node. */ |
612c2c15 | 3220 | install_node(&rmap_debug_node); |
e3ab8170 | 3221 | |
d62a17ae | 3222 | /* Install route map commands. */ |
e3ab8170 AD |
3223 | install_element(CONFIG_NODE, &debug_rmap_cmd); |
3224 | install_element(CONFIG_NODE, &no_debug_rmap_cmd); | |
3225 | ||
d62a17ae | 3226 | /* Install show command */ |
1fa30509 DS |
3227 | install_element(ENABLE_NODE, &rmap_clear_counters_cmd); |
3228 | ||
d62a17ae | 3229 | install_element(ENABLE_NODE, &rmap_show_name_cmd); |
4a2a09d0 | 3230 | install_element(ENABLE_NODE, &rmap_show_unused_cmd); |
82f97584 | 3231 | |
e3ab8170 AD |
3232 | install_element(ENABLE_NODE, &debug_rmap_cmd); |
3233 | install_element(ENABLE_NODE, &no_debug_rmap_cmd); | |
49a08bb0 NT |
3234 | |
3235 | install_element(RMAP_NODE, &routemap_optimization_cmd); | |
3236 | install_element(RMAP_NODE, &no_routemap_optimization_cmd); | |
2d26f094 NT |
3237 | |
3238 | install_element(ENABLE_NODE, &show_route_map_pfx_tbl_cmd); | |
718e3744 | 3239 | } |