]>
Commit | Line | Data |
---|---|---|
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 | ||
b34232cf | 824 | vty_out(vty, "route-map: %s Invoked: %" PRIu64 " Optimization: %s Processed Change: %s\n", |
49a08bb0 | 825 | map->name, map->applied - map->applied_clear, |
b34232cf DS |
826 | map->optimization_disabled ? "disabled" : "enabled", |
827 | map->to_be_processed ? "true" : "false"); | |
d62a17ae | 828 | |
829 | for (index = map->head; index; index = index->next) { | |
279b0607 DS |
830 | vty_out(vty, " %s, sequence %d Invoked %" PRIu64 "\n", |
831 | route_map_type_str(index->type), index->pref, | |
1fa30509 | 832 | index->applied - index->applied_clear); |
d62a17ae | 833 | |
834 | /* Description */ | |
835 | if (index->description) | |
836 | vty_out(vty, " Description:\n %s\n", | |
837 | index->description); | |
838 | ||
839 | /* Match clauses */ | |
840 | vty_out(vty, " Match clauses:\n"); | |
841 | for (rule = index->match_list.head; rule; rule = rule->next) | |
842 | vty_out(vty, " %s %s\n", rule->cmd->str, | |
843 | rule->rule_str); | |
844 | ||
845 | vty_out(vty, " Set clauses:\n"); | |
846 | for (rule = index->set_list.head; rule; rule = rule->next) | |
847 | vty_out(vty, " %s %s\n", rule->cmd->str, | |
848 | rule->rule_str); | |
849 | ||
850 | /* Call clause */ | |
851 | vty_out(vty, " Call clause:\n"); | |
852 | if (index->nextrm) | |
853 | vty_out(vty, " Call %s\n", index->nextrm); | |
854 | ||
855 | /* Exit Policy */ | |
856 | vty_out(vty, " Action:\n"); | |
857 | if (index->exitpolicy == RMAP_GOTO) | |
858 | vty_out(vty, " Goto %d\n", index->nextpref); | |
859 | else if (index->exitpolicy == RMAP_NEXT) | |
860 | vty_out(vty, " Continue to next entry\n"); | |
861 | else if (index->exitpolicy == RMAP_EXIT) | |
862 | vty_out(vty, " Exit routemap\n"); | |
863 | } | |
864 | } | |
865 | ||
78b1bb5f QY |
866 | static int sort_route_map(const void **map1, const void **map2) |
867 | { | |
868 | const struct route_map *m1 = *map1; | |
869 | const struct route_map *m2 = *map2; | |
870 | ||
871 | return strcmp(m1->name, m2->name); | |
872 | } | |
873 | ||
d62a17ae | 874 | static int vty_show_route_map(struct vty *vty, const char *name) |
875 | { | |
876 | struct route_map *map; | |
877 | ||
279b0607 DS |
878 | vty_out(vty, "%s:\n", frr_protonameinst); |
879 | ||
d62a17ae | 880 | if (name) { |
881 | map = route_map_lookup_by_name(name); | |
882 | ||
883 | if (map) { | |
884 | vty_show_route_map_entry(vty, map); | |
885 | return CMD_SUCCESS; | |
886 | } else { | |
887 | vty_out(vty, "%s: 'route-map %s' not found\n", | |
888 | frr_protonameinst, name); | |
889 | return CMD_SUCCESS; | |
890 | } | |
891 | } else { | |
78b1bb5f QY |
892 | |
893 | struct list *maplist = list_new(); | |
894 | struct listnode *ln; | |
895 | ||
d62a17ae | 896 | for (map = route_map_master.head; map; map = map->next) |
78b1bb5f QY |
897 | listnode_add(maplist, map); |
898 | ||
899 | list_sort(maplist, sort_route_map); | |
900 | ||
901 | for (ALL_LIST_ELEMENTS_RO(maplist, ln, map)) | |
902 | vty_show_route_map_entry(vty, map); | |
903 | ||
6a154c88 | 904 | list_delete(&maplist); |
d62a17ae | 905 | } |
906 | return CMD_SUCCESS; | |
5510e83b | 907 | } |
908 | ||
4a2a09d0 | 909 | /* Unused route map details */ |
910 | static int vty_show_unused_route_map(struct vty *vty) | |
911 | { | |
912 | struct list *maplist = list_new(); | |
913 | struct listnode *ln; | |
914 | struct route_map *map; | |
915 | ||
916 | for (map = route_map_master.head; map; map = map->next) { | |
917 | /* If use_count is zero, No protocol is using this routemap. | |
918 | * so adding to the list. | |
919 | */ | |
920 | if (!map->use_count) | |
921 | listnode_add(maplist, map); | |
922 | } | |
923 | ||
924 | if (maplist->count > 0) { | |
925 | vty_out(vty, "\n%s:\n", frr_protonameinst); | |
926 | list_sort(maplist, sort_route_map); | |
927 | ||
928 | for (ALL_LIST_ELEMENTS_RO(maplist, ln, map)) | |
929 | vty_show_route_map_entry(vty, map); | |
930 | } else { | |
931 | vty_out(vty, "\n%s: None\n", frr_protonameinst); | |
932 | } | |
933 | ||
934 | list_delete(&maplist); | |
935 | return CMD_SUCCESS; | |
936 | } | |
5510e83b | 937 | |
718e3744 | 938 | /* New route map allocation. Please note route map's name must be |
939 | specified. */ | |
d62a17ae | 940 | static struct route_map_index *route_map_index_new(void) |
718e3744 | 941 | { |
d62a17ae | 942 | struct route_map_index *new; |
718e3744 | 943 | |
d62a17ae | 944 | new = XCALLOC(MTYPE_ROUTE_MAP_INDEX, sizeof(struct route_map_index)); |
945 | new->exitpolicy = RMAP_EXIT; /* Default to Cisco-style */ | |
54a35ff4 | 946 | TAILQ_INIT(&new->rhclist); |
d62a17ae | 947 | QOBJ_REG(new, route_map_index); |
948 | return new; | |
718e3744 | 949 | } |
950 | ||
951 | /* Free route map index. */ | |
a7282663 | 952 | void route_map_index_delete(struct route_map_index *index, int notify) |
718e3744 | 953 | { |
1c4eca64 | 954 | struct routemap_hook_context *rhc; |
d62a17ae | 955 | struct route_map_rule *rule; |
718e3744 | 956 | |
d62a17ae | 957 | QOBJ_UNREG(index); |
e80e7cce | 958 | |
e3ab8170 AD |
959 | if (rmap_debug) |
960 | zlog_debug("Deleting route-map %s sequence %d", | |
961 | index->map->name, index->pref); | |
962 | ||
f0951335 RZ |
963 | /* Free route map entry description. */ |
964 | XFREE(MTYPE_TMP, index->description); | |
965 | ||
54a35ff4 | 966 | /* Free route map northbound hook contexts. */ |
1c4eca64 RZ |
967 | while ((rhc = TAILQ_FIRST(&index->rhclist)) != NULL) |
968 | routemap_hook_context_free(rhc); | |
54a35ff4 | 969 | |
d62a17ae | 970 | /* Free route match. */ |
49a08bb0 | 971 | while ((rule = index->match_list.head) != NULL) { |
819a23f9 | 972 | if (IS_RULE_IPv4_PREFIX_LIST(rule->cmd->str)) |
2d26f094 NT |
973 | route_map_pfx_tbl_update(RMAP_EVENT_PLIST_DELETED, |
974 | index, AFI_IP, rule->rule_str); | |
819a23f9 | 975 | else if (IS_RULE_IPv6_PREFIX_LIST(rule->cmd->str)) |
2d26f094 NT |
976 | route_map_pfx_tbl_update(RMAP_EVENT_PLIST_DELETED, |
977 | index, AFI_IP6, | |
978 | rule->rule_str); | |
49a08bb0 | 979 | |
d62a17ae | 980 | route_map_rule_delete(&index->match_list, rule); |
49a08bb0 | 981 | } |
718e3744 | 982 | |
d62a17ae | 983 | /* Free route set. */ |
984 | while ((rule = index->set_list.head) != NULL) | |
985 | route_map_rule_delete(&index->set_list, rule); | |
718e3744 | 986 | |
d62a17ae | 987 | /* Remove index from route map list. */ |
988 | if (index->next) | |
989 | index->next->prev = index->prev; | |
990 | else | |
991 | index->map->tail = index->prev; | |
718e3744 | 992 | |
d62a17ae | 993 | if (index->prev) |
994 | index->prev->next = index->next; | |
995 | else | |
996 | index->map->head = index->next; | |
718e3744 | 997 | |
d62a17ae | 998 | /* Free 'char *nextrm' if not NULL */ |
0a22ddfb | 999 | XFREE(MTYPE_ROUTE_MAP_NAME, index->nextrm); |
fee0f4c6 | 1000 | |
2d26f094 | 1001 | route_map_pfx_tbl_update(RMAP_EVENT_INDEX_DELETED, index, 0, NULL); |
49a08bb0 | 1002 | |
d62a17ae | 1003 | /* Execute event hook. */ |
1004 | if (route_map_master.event_hook && notify) { | |
097b5973 | 1005 | (*route_map_master.event_hook)(index->map->name); |
d62a17ae | 1006 | route_map_notify_dependencies(index->map->name, |
1007 | RMAP_EVENT_CALL_ADDED); | |
1008 | } | |
1009 | XFREE(MTYPE_ROUTE_MAP_INDEX, index); | |
718e3744 | 1010 | } |
1011 | ||
1012 | /* Lookup index from route map. */ | |
d62a17ae | 1013 | static struct route_map_index *route_map_index_lookup(struct route_map *map, |
1014 | enum route_map_type type, | |
1015 | int pref) | |
718e3744 | 1016 | { |
d62a17ae | 1017 | struct route_map_index *index; |
718e3744 | 1018 | |
d62a17ae | 1019 | for (index = map->head; index; index = index->next) |
1020 | if ((index->type == type || type == RMAP_ANY) | |
1021 | && index->pref == pref) | |
1022 | return index; | |
1023 | return NULL; | |
718e3744 | 1024 | } |
1025 | ||
1026 | /* Add new index to route map. */ | |
8cc4198f | 1027 | static struct route_map_index * |
d62a17ae | 1028 | route_map_index_add(struct route_map *map, enum route_map_type type, int pref) |
1029 | { | |
1030 | struct route_map_index *index; | |
1031 | struct route_map_index *point; | |
1032 | ||
1033 | /* Allocate new route map inex. */ | |
1034 | index = route_map_index_new(); | |
1035 | index->map = map; | |
1036 | index->type = type; | |
1037 | index->pref = pref; | |
1038 | ||
1039 | /* Compare preference. */ | |
1040 | for (point = map->head; point; point = point->next) | |
1041 | if (point->pref >= pref) | |
1042 | break; | |
1043 | ||
1044 | if (map->head == NULL) { | |
1045 | map->head = map->tail = index; | |
1046 | } else if (point == NULL) { | |
1047 | index->prev = map->tail; | |
1048 | map->tail->next = index; | |
1049 | map->tail = index; | |
1050 | } else if (point == map->head) { | |
1051 | index->next = map->head; | |
1052 | map->head->prev = index; | |
1053 | map->head = index; | |
1054 | } else { | |
1055 | index->next = point; | |
1056 | index->prev = point->prev; | |
1057 | if (point->prev) | |
1058 | point->prev->next = index; | |
1059 | point->prev = index; | |
1060 | } | |
1061 | ||
2d26f094 | 1062 | route_map_pfx_tbl_update(RMAP_EVENT_INDEX_ADDED, index, 0, NULL); |
49a08bb0 | 1063 | |
d62a17ae | 1064 | /* Execute event hook. */ |
1065 | if (route_map_master.event_hook) { | |
097b5973 | 1066 | (*route_map_master.event_hook)(map->name); |
d62a17ae | 1067 | route_map_notify_dependencies(map->name, RMAP_EVENT_CALL_ADDED); |
1068 | } | |
e3ab8170 AD |
1069 | |
1070 | if (rmap_debug) | |
1071 | zlog_debug("Route-map %s add sequence %d, type: %s", | |
1072 | map->name, pref, route_map_type_str(type)); | |
1073 | ||
d62a17ae | 1074 | return index; |
718e3744 | 1075 | } |
1076 | ||
1077 | /* Get route map index. */ | |
a7282663 | 1078 | struct route_map_index * |
d62a17ae | 1079 | route_map_index_get(struct route_map *map, enum route_map_type type, int pref) |
718e3744 | 1080 | { |
d62a17ae | 1081 | struct route_map_index *index; |
718e3744 | 1082 | |
d62a17ae | 1083 | index = route_map_index_lookup(map, RMAP_ANY, pref); |
1084 | if (index && index->type != type) { | |
1085 | /* Delete index from route map. */ | |
1086 | route_map_index_delete(index, 1); | |
1087 | index = NULL; | |
1088 | } | |
1089 | if (index == NULL) | |
1090 | index = route_map_index_add(map, type, pref); | |
1091 | return index; | |
718e3744 | 1092 | } |
1093 | ||
1094 | /* New route map rule */ | |
d62a17ae | 1095 | static struct route_map_rule *route_map_rule_new(void) |
718e3744 | 1096 | { |
d62a17ae | 1097 | struct route_map_rule *new; |
718e3744 | 1098 | |
d62a17ae | 1099 | new = XCALLOC(MTYPE_ROUTE_MAP_RULE, sizeof(struct route_map_rule)); |
1100 | return new; | |
718e3744 | 1101 | } |
6b0655a2 | 1102 | |
718e3744 | 1103 | /* Install rule command to the match list. */ |
364deb04 | 1104 | void route_map_install_match(const struct route_map_rule_cmd *cmd) |
718e3744 | 1105 | { |
364deb04 | 1106 | vector_set(route_match_vec, (void *)cmd); |
718e3744 | 1107 | } |
1108 | ||
1109 | /* Install rule command to the set list. */ | |
364deb04 | 1110 | void route_map_install_set(const struct route_map_rule_cmd *cmd) |
718e3744 | 1111 | { |
364deb04 | 1112 | vector_set(route_set_vec, (void *)cmd); |
718e3744 | 1113 | } |
1114 | ||
1115 | /* Lookup rule command from match list. */ | |
364deb04 | 1116 | static const struct route_map_rule_cmd *route_map_lookup_match(const char *name) |
718e3744 | 1117 | { |
d62a17ae | 1118 | unsigned int i; |
364deb04 | 1119 | const struct route_map_rule_cmd *rule; |
718e3744 | 1120 | |
d62a17ae | 1121 | for (i = 0; i < vector_active(route_match_vec); i++) |
1122 | if ((rule = vector_slot(route_match_vec, i)) != NULL) | |
1123 | if (strcmp(rule->str, name) == 0) | |
1124 | return rule; | |
1125 | return NULL; | |
718e3744 | 1126 | } |
1127 | ||
1128 | /* Lookup rule command from set list. */ | |
364deb04 | 1129 | static const struct route_map_rule_cmd *route_map_lookup_set(const char *name) |
718e3744 | 1130 | { |
d62a17ae | 1131 | unsigned int i; |
364deb04 | 1132 | const struct route_map_rule_cmd *rule; |
718e3744 | 1133 | |
d62a17ae | 1134 | for (i = 0; i < vector_active(route_set_vec); i++) |
1135 | if ((rule = vector_slot(route_set_vec, i)) != NULL) | |
1136 | if (strcmp(rule->str, name) == 0) | |
1137 | return rule; | |
1138 | return NULL; | |
718e3744 | 1139 | } |
1140 | ||
1141 | /* Add match and set rule to rule list. */ | |
d62a17ae | 1142 | static void route_map_rule_add(struct route_map_rule_list *list, |
1143 | struct route_map_rule *rule) | |
718e3744 | 1144 | { |
d62a17ae | 1145 | rule->next = NULL; |
1146 | rule->prev = list->tail; | |
1147 | if (list->tail) | |
1148 | list->tail->next = rule; | |
1149 | else | |
1150 | list->head = rule; | |
1151 | list->tail = rule; | |
718e3744 | 1152 | } |
1153 | ||
1154 | /* Delete rule from rule list. */ | |
d62a17ae | 1155 | static void route_map_rule_delete(struct route_map_rule_list *list, |
1156 | struct route_map_rule *rule) | |
718e3744 | 1157 | { |
d62a17ae | 1158 | if (rule->cmd->func_free) |
1159 | (*rule->cmd->func_free)(rule->value); | |
718e3744 | 1160 | |
0a22ddfb | 1161 | XFREE(MTYPE_ROUTE_MAP_RULE_STR, rule->rule_str); |
718e3744 | 1162 | |
d62a17ae | 1163 | if (rule->next) |
1164 | rule->next->prev = rule->prev; | |
1165 | else | |
1166 | list->tail = rule->prev; | |
1167 | if (rule->prev) | |
1168 | rule->prev->next = rule->next; | |
1169 | else | |
1170 | list->head = rule->next; | |
718e3744 | 1171 | |
d62a17ae | 1172 | XFREE(MTYPE_ROUTE_MAP_RULE, rule); |
718e3744 | 1173 | } |
1174 | ||
1175 | /* strcmp wrapper function which don't crush even argument is NULL. */ | |
d62a17ae | 1176 | static int rulecmp(const char *dst, const char *src) |
1177 | { | |
1178 | if (dst == NULL) { | |
1179 | if (src == NULL) | |
1180 | return 0; | |
1181 | else | |
1182 | return 1; | |
1183 | } else { | |
1184 | if (src == NULL) | |
1185 | return 1; | |
1186 | else | |
1187 | return strcmp(dst, src); | |
1188 | } | |
718e3744 | 1189 | return 1; |
718e3744 | 1190 | } |
1191 | ||
518f0eb1 DS |
1192 | /* Use this to return the already specified argument for this match. This is |
1193 | * useful to get the specified argument with a route map match rule when the | |
1194 | * rule is being deleted and the argument is not provided. | |
1195 | */ | |
d62a17ae | 1196 | const char *route_map_get_match_arg(struct route_map_index *index, |
1197 | const char *match_name) | |
518f0eb1 | 1198 | { |
d62a17ae | 1199 | struct route_map_rule *rule; |
364deb04 | 1200 | const struct route_map_rule_cmd *cmd; |
518f0eb1 | 1201 | |
d62a17ae | 1202 | /* First lookup rule for add match statement. */ |
1203 | cmd = route_map_lookup_match(match_name); | |
1204 | if (cmd == NULL) | |
1205 | return NULL; | |
518f0eb1 | 1206 | |
d62a17ae | 1207 | for (rule = index->match_list.head; rule; rule = rule->next) |
1208 | if (rule->cmd == cmd && rule->rule_str != NULL) | |
1209 | return (rule->rule_str); | |
518f0eb1 | 1210 | |
95f7965d | 1211 | return NULL; |
518f0eb1 DS |
1212 | } |
1213 | ||
e2c8d6ce NT |
1214 | static route_map_event_t get_route_map_delete_event(route_map_event_t type) |
1215 | { | |
1216 | switch (type) { | |
1217 | case RMAP_EVENT_CALL_ADDED: | |
1218 | return RMAP_EVENT_CALL_DELETED; | |
1219 | case RMAP_EVENT_PLIST_ADDED: | |
1220 | return RMAP_EVENT_PLIST_DELETED; | |
1221 | case RMAP_EVENT_CLIST_ADDED: | |
1222 | return RMAP_EVENT_CLIST_DELETED; | |
1223 | case RMAP_EVENT_ECLIST_ADDED: | |
1224 | return RMAP_EVENT_ECLIST_DELETED; | |
1225 | case RMAP_EVENT_LLIST_ADDED: | |
1226 | return RMAP_EVENT_LLIST_DELETED; | |
1227 | case RMAP_EVENT_ASLIST_ADDED: | |
1228 | return RMAP_EVENT_ASLIST_DELETED; | |
1229 | case RMAP_EVENT_FILTER_ADDED: | |
1230 | return RMAP_EVENT_FILTER_DELETED; | |
1231 | case RMAP_EVENT_SET_ADDED: | |
1232 | case RMAP_EVENT_SET_DELETED: | |
1233 | case RMAP_EVENT_SET_REPLACED: | |
1234 | case RMAP_EVENT_MATCH_ADDED: | |
1235 | case RMAP_EVENT_MATCH_DELETED: | |
1236 | case RMAP_EVENT_MATCH_REPLACED: | |
1237 | case RMAP_EVENT_INDEX_ADDED: | |
1238 | case RMAP_EVENT_INDEX_DELETED: | |
1239 | case RMAP_EVENT_CALL_DELETED: | |
1240 | case RMAP_EVENT_PLIST_DELETED: | |
1241 | case RMAP_EVENT_CLIST_DELETED: | |
1242 | case RMAP_EVENT_ECLIST_DELETED: | |
1243 | case RMAP_EVENT_LLIST_DELETED: | |
1244 | case RMAP_EVENT_ASLIST_DELETED: | |
1245 | case RMAP_EVENT_FILTER_DELETED: | |
1246 | /* This function returns the appropriate 'deleted' event type | |
1247 | * for every 'added' event type passed to this function. | |
1248 | * This is done only for named entities used in the | |
1249 | * route-map match commands. | |
1250 | * This function is not to be invoked for any of the other event | |
1251 | * types. | |
1252 | */ | |
1253 | assert(0); | |
1254 | } | |
f232dd29 DS |
1255 | |
1256 | assert(0); | |
1257 | /* | |
1258 | * Return to make c happy but if we get here something has gone | |
1259 | * terribly terribly wrong, so yes this return makes no sense. | |
1260 | */ | |
1261 | return RMAP_EVENT_CALL_ADDED; | |
e2c8d6ce NT |
1262 | } |
1263 | ||
718e3744 | 1264 | /* Add match statement to route map. */ |
cda7187d DS |
1265 | enum rmap_compile_rets route_map_add_match(struct route_map_index *index, |
1266 | const char *match_name, | |
1267 | const char *match_arg, | |
1268 | route_map_event_t type) | |
d62a17ae | 1269 | { |
1270 | struct route_map_rule *rule; | |
1271 | struct route_map_rule *next; | |
364deb04 | 1272 | const struct route_map_rule_cmd *cmd; |
d62a17ae | 1273 | void *compile; |
e2c8d6ce | 1274 | int8_t delete_rmap_event_type = 0; |
909f3d56 | 1275 | const char *rule_key; |
d62a17ae | 1276 | |
1277 | /* First lookup rule for add match statement. */ | |
1278 | cmd = route_map_lookup_match(match_name); | |
1279 | if (cmd == NULL) | |
1280 | return RMAP_RULE_MISSING; | |
1281 | ||
1282 | /* Next call compile function for this match statement. */ | |
1283 | if (cmd->func_compile) { | |
1284 | compile = (*cmd->func_compile)(match_arg); | |
1285 | if (compile == NULL) | |
1286 | return RMAP_COMPILE_ERROR; | |
1287 | } else | |
1288 | compile = NULL; | |
909f3d56 | 1289 | /* use the compiled results if applicable */ |
1290 | if (compile && cmd->func_get_rmap_rule_key) | |
1291 | rule_key = (*cmd->func_get_rmap_rule_key) | |
1292 | (compile); | |
1293 | else | |
1294 | rule_key = match_arg; | |
d62a17ae | 1295 | |
1296 | /* If argument is completely same ignore it. */ | |
1297 | for (rule = index->match_list.head; rule; rule = next) { | |
1298 | next = rule->next; | |
1299 | if (rule->cmd == cmd) { | |
6c3247bd NT |
1300 | /* If the configured route-map match rule is exactly |
1301 | * the same as the existing configuration then, | |
1302 | * ignore the duplicate configuration. | |
1303 | */ | |
1304 | if (strcmp(match_arg, rule->rule_str) == 0) { | |
1305 | if (cmd->func_free) | |
1306 | (*cmd->func_free)(compile); | |
e2c8d6ce | 1307 | |
909f3d56 | 1308 | return RMAP_COMPILE_SUCCESS; |
e2c8d6ce NT |
1309 | } |
1310 | ||
49a08bb0 NT |
1311 | /* If IPv4 or IPv6 prefix-list match criteria |
1312 | * has been delete to the route-map index, update | |
1313 | * the route-map's prefix table. | |
1314 | */ | |
819a23f9 | 1315 | if (IS_RULE_IPv4_PREFIX_LIST(match_name)) |
49a08bb0 | 1316 | route_map_pfx_tbl_update( |
2d26f094 NT |
1317 | RMAP_EVENT_PLIST_DELETED, index, AFI_IP, |
1318 | rule->rule_str); | |
819a23f9 | 1319 | else if (IS_RULE_IPv6_PREFIX_LIST(match_name)) |
49a08bb0 | 1320 | route_map_pfx_tbl_update( |
2d26f094 NT |
1321 | RMAP_EVENT_PLIST_DELETED, index, |
1322 | AFI_IP6, rule->rule_str); | |
49a08bb0 | 1323 | |
e2c8d6ce NT |
1324 | /* Remove the dependency of the route-map on the rule |
1325 | * that is being replaced. | |
1326 | */ | |
1327 | if (type >= RMAP_EVENT_CALL_ADDED) { | |
1328 | delete_rmap_event_type = | |
1329 | get_route_map_delete_event(type); | |
1330 | route_map_upd8_dependency( | |
1331 | delete_rmap_event_type, | |
909f3d56 | 1332 | rule_key, |
e2c8d6ce | 1333 | index->map->name); |
6c3247bd NT |
1334 | } |
1335 | ||
d62a17ae | 1336 | route_map_rule_delete(&index->match_list, rule); |
d62a17ae | 1337 | } |
718e3744 | 1338 | } |
718e3744 | 1339 | |
d62a17ae | 1340 | /* Add new route map match rule. */ |
1341 | rule = route_map_rule_new(); | |
1342 | rule->cmd = cmd; | |
1343 | rule->value = compile; | |
1344 | if (match_arg) | |
1345 | rule->rule_str = XSTRDUP(MTYPE_ROUTE_MAP_RULE_STR, match_arg); | |
1346 | else | |
1347 | rule->rule_str = NULL; | |
718e3744 | 1348 | |
d62a17ae | 1349 | /* Add new route match rule to linked list. */ |
1350 | route_map_rule_add(&index->match_list, rule); | |
718e3744 | 1351 | |
49a08bb0 NT |
1352 | /* If IPv4 or IPv6 prefix-list match criteria |
1353 | * has been added to the route-map index, update | |
1354 | * the route-map's prefix table. | |
1355 | */ | |
819a23f9 | 1356 | if (IS_RULE_IPv4_PREFIX_LIST(match_name)) { |
2d26f094 | 1357 | route_map_pfx_tbl_update(RMAP_EVENT_PLIST_ADDED, index, AFI_IP, |
49a08bb0 | 1358 | match_arg); |
819a23f9 | 1359 | } else if (IS_RULE_IPv6_PREFIX_LIST(match_name)) { |
2d26f094 | 1360 | route_map_pfx_tbl_update(RMAP_EVENT_PLIST_ADDED, index, AFI_IP6, |
49a08bb0 | 1361 | match_arg); |
49a08bb0 NT |
1362 | } |
1363 | ||
d62a17ae | 1364 | /* Execute event hook. */ |
1365 | if (route_map_master.event_hook) { | |
097b5973 | 1366 | (*route_map_master.event_hook)(index->map->name); |
d62a17ae | 1367 | route_map_notify_dependencies(index->map->name, |
1368 | RMAP_EVENT_CALL_ADDED); | |
1369 | } | |
909f3d56 | 1370 | if (type != RMAP_EVENT_MATCH_ADDED) |
1371 | route_map_upd8_dependency(type, rule_key, index->map->name); | |
718e3744 | 1372 | |
9ca25fed | 1373 | return RMAP_COMPILE_SUCCESS; |
718e3744 | 1374 | } |
1375 | ||
1376 | /* Delete specified route match rule. */ | |
cda7187d DS |
1377 | enum rmap_compile_rets route_map_delete_match(struct route_map_index *index, |
1378 | const char *match_name, | |
909f3d56 | 1379 | const char *match_arg, |
1380 | route_map_event_t type) | |
d62a17ae | 1381 | { |
1382 | struct route_map_rule *rule; | |
364deb04 | 1383 | const struct route_map_rule_cmd *cmd; |
909f3d56 | 1384 | const char *rule_key; |
d62a17ae | 1385 | |
1386 | cmd = route_map_lookup_match(match_name); | |
1387 | if (cmd == NULL) | |
e5b4b49e | 1388 | return RMAP_RULE_MISSING; |
d62a17ae | 1389 | |
1390 | for (rule = index->match_list.head; rule; rule = rule->next) | |
9d303b37 DL |
1391 | if (rule->cmd == cmd && (rulecmp(rule->rule_str, match_arg) == 0 |
1392 | || match_arg == NULL)) { | |
d62a17ae | 1393 | /* Execute event hook. */ |
1394 | if (route_map_master.event_hook) { | |
097b5973 | 1395 | (*route_map_master.event_hook)(index->map->name); |
d62a17ae | 1396 | route_map_notify_dependencies( |
1397 | index->map->name, | |
1398 | RMAP_EVENT_CALL_ADDED); | |
1399 | } | |
909f3d56 | 1400 | if (cmd->func_get_rmap_rule_key) |
1401 | rule_key = (*cmd->func_get_rmap_rule_key) | |
1402 | (rule->value); | |
1403 | else | |
1404 | rule_key = match_arg; | |
1405 | ||
1406 | if (type != RMAP_EVENT_MATCH_DELETED && rule_key) | |
1407 | route_map_upd8_dependency(type, rule_key, | |
1408 | index->map->name); | |
1409 | ||
1410 | route_map_rule_delete(&index->match_list, rule); | |
49a08bb0 NT |
1411 | |
1412 | /* If IPv4 or IPv6 prefix-list match criteria | |
3eca8715 | 1413 | * has been delete from the route-map index, update |
49a08bb0 NT |
1414 | * the route-map's prefix table. |
1415 | */ | |
819a23f9 | 1416 | if (IS_RULE_IPv4_PREFIX_LIST(match_name)) { |
49a08bb0 | 1417 | route_map_pfx_tbl_update( |
2d26f094 NT |
1418 | RMAP_EVENT_PLIST_DELETED, index, AFI_IP, |
1419 | match_arg); | |
819a23f9 | 1420 | } else if (IS_RULE_IPv6_PREFIX_LIST(match_name)) { |
49a08bb0 | 1421 | route_map_pfx_tbl_update( |
2d26f094 NT |
1422 | RMAP_EVENT_PLIST_DELETED, index, |
1423 | AFI_IP6, match_arg); | |
49a08bb0 NT |
1424 | } |
1425 | ||
e5b4b49e | 1426 | return RMAP_COMPILE_SUCCESS; |
d62a17ae | 1427 | } |
1428 | /* Can't find matched rule. */ | |
e5b4b49e | 1429 | return RMAP_RULE_MISSING; |
718e3744 | 1430 | } |
1431 | ||
1432 | /* Add route-map set statement to the route map. */ | |
cda7187d DS |
1433 | enum rmap_compile_rets route_map_add_set(struct route_map_index *index, |
1434 | const char *set_name, | |
1435 | const char *set_arg) | |
d62a17ae | 1436 | { |
1437 | struct route_map_rule *rule; | |
1438 | struct route_map_rule *next; | |
364deb04 | 1439 | const struct route_map_rule_cmd *cmd; |
d62a17ae | 1440 | void *compile; |
d62a17ae | 1441 | |
1442 | cmd = route_map_lookup_set(set_name); | |
1443 | if (cmd == NULL) | |
1444 | return RMAP_RULE_MISSING; | |
1445 | ||
1446 | /* Next call compile function for this match statement. */ | |
1447 | if (cmd->func_compile) { | |
1448 | compile = (*cmd->func_compile)(set_arg); | |
1449 | if (compile == NULL) | |
1450 | return RMAP_COMPILE_ERROR; | |
1451 | } else | |
1452 | compile = NULL; | |
1453 | ||
1454 | /* Add by WJL. if old set command of same kind exist, delete it first | |
1455 | to ensure only one set command of same kind exist under a | |
1456 | route_map_index. */ | |
1457 | for (rule = index->set_list.head; rule; rule = next) { | |
1458 | next = rule->next; | |
4255dbe9 | 1459 | if (rule->cmd == cmd) |
d62a17ae | 1460 | route_map_rule_delete(&index->set_list, rule); |
d62a17ae | 1461 | } |
1462 | ||
1463 | /* Add new route map match rule. */ | |
1464 | rule = route_map_rule_new(); | |
1465 | rule->cmd = cmd; | |
1466 | rule->value = compile; | |
1467 | if (set_arg) | |
1468 | rule->rule_str = XSTRDUP(MTYPE_ROUTE_MAP_RULE_STR, set_arg); | |
1469 | else | |
1470 | rule->rule_str = NULL; | |
1471 | ||
1472 | /* Add new route match rule to linked list. */ | |
1473 | route_map_rule_add(&index->set_list, rule); | |
1474 | ||
1475 | /* Execute event hook. */ | |
1476 | if (route_map_master.event_hook) { | |
097b5973 | 1477 | (*route_map_master.event_hook)(index->map->name); |
d62a17ae | 1478 | route_map_notify_dependencies(index->map->name, |
1479 | RMAP_EVENT_CALL_ADDED); | |
718e3744 | 1480 | } |
9ca25fed | 1481 | return RMAP_COMPILE_SUCCESS; |
718e3744 | 1482 | } |
1483 | ||
1484 | /* Delete route map set rule. */ | |
cda7187d DS |
1485 | enum rmap_compile_rets route_map_delete_set(struct route_map_index *index, |
1486 | const char *set_name, | |
1487 | const char *set_arg) | |
d62a17ae | 1488 | { |
1489 | struct route_map_rule *rule; | |
364deb04 | 1490 | const struct route_map_rule_cmd *cmd; |
d62a17ae | 1491 | |
1492 | cmd = route_map_lookup_set(set_name); | |
1493 | if (cmd == NULL) | |
e5b4b49e | 1494 | return RMAP_RULE_MISSING; |
d62a17ae | 1495 | |
1496 | for (rule = index->set_list.head; rule; rule = rule->next) | |
9d303b37 DL |
1497 | if ((rule->cmd == cmd) && (rulecmp(rule->rule_str, set_arg) == 0 |
1498 | || set_arg == NULL)) { | |
d62a17ae | 1499 | route_map_rule_delete(&index->set_list, rule); |
1500 | /* Execute event hook. */ | |
1501 | if (route_map_master.event_hook) { | |
097b5973 | 1502 | (*route_map_master.event_hook)(index->map->name); |
d62a17ae | 1503 | route_map_notify_dependencies( |
1504 | index->map->name, | |
1505 | RMAP_EVENT_CALL_ADDED); | |
1506 | } | |
e5b4b49e | 1507 | return RMAP_COMPILE_SUCCESS; |
d62a17ae | 1508 | } |
1509 | /* Can't find matched rule. */ | |
e5b4b49e | 1510 | return RMAP_RULE_MISSING; |
718e3744 | 1511 | } |
1512 | ||
b68885f9 LK |
1513 | static enum route_map_cmd_result_t |
1514 | route_map_apply_match(struct route_map_rule_list *match_list, | |
1515 | const struct prefix *prefix, route_map_object_t type, | |
1516 | void *object) | |
1517 | { | |
1518 | enum route_map_cmd_result_t ret = RMAP_NOMATCH; | |
1519 | struct route_map_rule *match; | |
1520 | bool is_matched = false; | |
1521 | ||
1522 | ||
1523 | /* Check all match rule and if there is no match rule, go to the | |
1524 | set statement. */ | |
1525 | if (!match_list->head) | |
1526 | ret = RMAP_MATCH; | |
1527 | else { | |
1528 | for (match = match_list->head; match; match = match->next) { | |
1529 | /* | |
1530 | * Try each match statement. If any match does not | |
1531 | * return RMAP_MATCH or RMAP_NOOP, return. | |
1532 | * Otherwise continue on to next match statement. | |
1533 | * All match statements must MATCH for | |
1534 | * end-result to be a match. | |
1535 | * (Exception:If match stmts result in a mix of | |
1536 | * MATCH/NOOP, then also end-result is a match) | |
1537 | * If all result in NOOP, end-result is NOOP. | |
1538 | */ | |
1539 | ret = (*match->cmd->func_apply)(match->value, prefix, | |
1540 | type, object); | |
1541 | ||
1542 | /* | |
1543 | * If the consolidated result of func_apply is: | |
1544 | * ----------------------------------------------- | |
1545 | * | MATCH | NOMATCH | NOOP | Final Result | | |
1546 | * ------------------------------------------------ | |
1547 | * | yes | yes | yes | NOMATCH | | |
1548 | * | no | no | yes | NOOP | | |
1549 | * | yes | no | yes | MATCH | | |
1550 | * | no | yes | yes | NOMATCH | | |
1551 | * |----------------------------------------------- | |
1552 | * | |
1553 | * Traditionally, all rules within route-map | |
1554 | * should match for it to MATCH. | |
1555 | * If there are noops within the route-map rules, | |
1556 | * it follows the above matrix. | |
1557 | * | |
1558 | * Eg: route-map rm1 permit 10 | |
1559 | * match rule1 | |
1560 | * match rule2 | |
1561 | * match rule3 | |
1562 | * .... | |
1563 | * route-map rm1 permit 20 | |
1564 | * match ruleX | |
1565 | * match ruleY | |
1566 | * ... | |
1567 | */ | |
1568 | ||
1569 | switch (ret) { | |
1570 | case RMAP_MATCH: | |
1571 | is_matched = true; | |
1572 | break; | |
1573 | ||
1574 | case RMAP_NOMATCH: | |
1575 | return ret; | |
1576 | ||
1577 | case RMAP_NOOP: | |
1578 | if (is_matched) | |
1579 | ret = RMAP_MATCH; | |
1580 | break; | |
1581 | ||
1582 | default: | |
1583 | break; | |
1584 | } | |
1585 | ||
1586 | } | |
1587 | } | |
1588 | return ret; | |
1589 | } | |
1590 | ||
2d26f094 NT |
1591 | static struct list *route_map_get_index_list(struct route_node **rn, |
1592 | const struct prefix *prefix, | |
1593 | struct route_table *table) | |
819a23f9 NT |
1594 | { |
1595 | struct route_node *tmp_rn = NULL; | |
1596 | ||
1597 | if (!(*rn)) { | |
1598 | *rn = route_node_match(table, prefix); | |
1599 | ||
1600 | if (!(*rn)) | |
1601 | return NULL; | |
1602 | ||
1603 | if ((*rn)->info) | |
1604 | return (struct list *)((*rn)->info); | |
1605 | ||
1606 | /* If rn->info is NULL, get the parent. | |
1607 | * Store the rn in tmp_rn and unlock it later. | |
1608 | */ | |
1609 | tmp_rn = *rn; | |
1610 | } | |
1611 | ||
1612 | do { | |
1613 | *rn = (*rn)->parent; | |
1614 | if (tmp_rn) | |
1615 | route_unlock_node(tmp_rn); | |
1616 | ||
1617 | if (!(*rn)) | |
1618 | break; | |
1619 | ||
1620 | if ((*rn)->info) { | |
1621 | route_lock_node(*rn); | |
1622 | return (struct list *)((*rn)->info); | |
1623 | } | |
1624 | } while (!(*rn)->info); | |
1625 | ||
1626 | return NULL; | |
1627 | } | |
1628 | ||
1629 | /* | |
1630 | * This function returns the route-map index that best matches the prefix. | |
1631 | */ | |
1632 | static struct route_map_index * | |
2d26f094 NT |
1633 | route_map_get_index(struct route_map *map, const struct prefix *prefix, |
1634 | route_map_object_t type, void *object, uint8_t *match_ret) | |
819a23f9 NT |
1635 | { |
1636 | int ret = 0; | |
1637 | struct list *candidate_rmap_list = NULL; | |
1638 | struct route_node *rn = NULL; | |
1639 | struct listnode *ln = NULL, *nn = NULL; | |
1640 | struct route_map_index *index = NULL, *best_index = NULL; | |
1641 | struct route_map_index *head_index = NULL; | |
1642 | struct route_table *table = NULL; | |
1643 | unsigned char family = prefix->family; | |
1644 | ||
1645 | if (family == AF_INET) | |
1646 | table = map->ipv4_prefix_table; | |
1647 | else | |
1648 | table = map->ipv6_prefix_table; | |
1649 | ||
1650 | if (!table) | |
1651 | return NULL; | |
1652 | ||
1653 | do { | |
2d26f094 NT |
1654 | candidate_rmap_list = |
1655 | route_map_get_index_list(&rn, prefix, table); | |
819a23f9 NT |
1656 | if (!rn) |
1657 | break; | |
1658 | ||
1659 | /* If the index at the head of the list is of seq higher | |
1660 | * than that in best_index, ignore the list and get the | |
1661 | * parent node's list. | |
1662 | */ | |
2d26f094 NT |
1663 | head_index = (struct route_map_index *)(listgetdata( |
1664 | listhead(candidate_rmap_list))); | |
1665 | if (best_index && head_index | |
1666 | && (best_index->pref < head_index->pref)) { | |
819a23f9 NT |
1667 | route_unlock_node(rn); |
1668 | continue; | |
1669 | } | |
1670 | ||
1671 | for (ALL_LIST_ELEMENTS(candidate_rmap_list, ln, nn, index)) { | |
1672 | /* If the index is of seq higher than that in | |
1673 | * best_index, ignore the list and get the parent | |
1674 | * node's list. | |
1675 | */ | |
1676 | if (best_index && (best_index->pref < index->pref)) | |
1677 | break; | |
1678 | ||
2d26f094 NT |
1679 | ret = route_map_apply_match(&index->match_list, prefix, |
1680 | type, object); | |
819a23f9 NT |
1681 | |
1682 | if (ret == RMAP_MATCH) { | |
1683 | *match_ret = ret; | |
1684 | best_index = index; | |
1685 | break; | |
1686 | } else if (ret == RMAP_NOOP) { | |
1687 | /* | |
1688 | * If match_ret is denymatch, even if we see | |
1689 | * more noops, we retain this return value and | |
1690 | * return this eventually if there are no | |
1691 | * matches. | |
1410dd3f NT |
1692 | * If a best match route-map index already |
1693 | * exists, do not reset the match_ret. | |
819a23f9 | 1694 | */ |
1410dd3f | 1695 | if (!best_index && (*match_ret != RMAP_NOMATCH)) |
819a23f9 NT |
1696 | *match_ret = ret; |
1697 | } else { | |
1698 | /* | |
1699 | * ret is RMAP_NOMATCH. | |
1410dd3f NT |
1700 | * If a best match route-map index already |
1701 | * exists, do not reset the match_ret. | |
819a23f9 | 1702 | */ |
1410dd3f NT |
1703 | if (!best_index) |
1704 | *match_ret = ret; | |
819a23f9 NT |
1705 | } |
1706 | } | |
1707 | ||
1708 | route_unlock_node(rn); | |
1709 | ||
1710 | } while (rn); | |
1711 | ||
1712 | return best_index; | |
1713 | } | |
1714 | ||
2d26f094 NT |
1715 | static int route_map_candidate_list_cmp(struct route_map_index *idx1, |
1716 | struct route_map_index *idx2) | |
49a08bb0 NT |
1717 | { |
1718 | if (!idx1) | |
1719 | return -1; | |
1720 | if (!idx2) | |
1721 | return 1; | |
1722 | ||
1723 | return (idx1->pref - idx2->pref); | |
1724 | } | |
1725 | ||
1726 | /* | |
1727 | * This function adds the route-map index into the default route's | |
1728 | * route-node in the route-map's IPv4/IPv6 prefix-table. | |
1729 | */ | |
2d26f094 NT |
1730 | static void route_map_pfx_table_add_default(afi_t afi, |
1731 | struct route_map_index *index) | |
49a08bb0 NT |
1732 | { |
1733 | struct route_node *rn = NULL; | |
1734 | struct list *rmap_candidate_list = NULL; | |
1735 | struct prefix p; | |
1736 | bool updated_rn = false; | |
1737 | struct route_table *table = NULL; | |
1738 | ||
1739 | memset(&p, 0, sizeof(p)); | |
1740 | p.family = afi2family(afi); | |
1741 | p.prefixlen = 0; | |
1742 | ||
1743 | if (p.family == AF_INET) { | |
1744 | table = index->map->ipv4_prefix_table; | |
1745 | if (!table) | |
1746 | index->map->ipv4_prefix_table = route_table_init(); | |
1747 | ||
1748 | table = index->map->ipv4_prefix_table; | |
1749 | } else { | |
1750 | table = index->map->ipv6_prefix_table; | |
1751 | if (!table) | |
1752 | index->map->ipv6_prefix_table = route_table_init(); | |
1753 | ||
1754 | table = index->map->ipv6_prefix_table; | |
1755 | } | |
1756 | ||
1757 | /* Add default route to table */ | |
1758 | rn = route_node_get(table, &p); | |
1759 | ||
1760 | if (!rn) | |
1761 | return; | |
1762 | ||
1763 | if (!rn->info) { | |
1764 | rmap_candidate_list = list_new(); | |
1765 | rmap_candidate_list->cmp = | |
1766 | (int (*)(void *, void *))route_map_candidate_list_cmp; | |
1767 | rn->info = rmap_candidate_list; | |
1768 | } else { | |
1769 | rmap_candidate_list = (struct list *)rn->info; | |
1770 | updated_rn = true; | |
1771 | } | |
1772 | ||
1773 | listnode_add_sort_nodup(rmap_candidate_list, index); | |
1774 | if (updated_rn) | |
1775 | route_unlock_node(rn); | |
1776 | } | |
1777 | ||
1778 | /* | |
1779 | * This function removes the route-map index from the default route's | |
1780 | * route-node in the route-map's IPv4/IPv6 prefix-table. | |
1781 | */ | |
2d26f094 NT |
1782 | static void route_map_pfx_table_del_default(afi_t afi, |
1783 | struct route_map_index *index) | |
49a08bb0 NT |
1784 | { |
1785 | struct route_node *rn = NULL; | |
1786 | struct list *rmap_candidate_list = NULL; | |
1787 | struct prefix p; | |
1788 | struct route_table *table = NULL; | |
1789 | ||
1790 | memset(&p, 0, sizeof(p)); | |
1791 | p.family = afi2family(afi); | |
1792 | p.prefixlen = 0; | |
1793 | ||
1794 | if (p.family == AF_INET) | |
1795 | table = index->map->ipv4_prefix_table; | |
1796 | else | |
1797 | table = index->map->ipv6_prefix_table; | |
1798 | ||
1799 | /* Remove RMAP index from default route in table */ | |
1800 | rn = route_node_lookup(table, &p); | |
1801 | if (!rn || !rn->info) | |
1802 | return; | |
1803 | ||
1804 | rmap_candidate_list = (struct list *)rn->info; | |
1805 | ||
1806 | listnode_delete(rmap_candidate_list, index); | |
1807 | ||
1808 | if (listcount(rmap_candidate_list) == 0) { | |
1809 | list_delete(&rmap_candidate_list); | |
1810 | rn->info = NULL; | |
1811 | route_unlock_node(rn); | |
1812 | } | |
1813 | route_unlock_node(rn); | |
1814 | } | |
1815 | ||
1816 | /* | |
1817 | * This function adds the route-map index to the route-node for | |
1818 | * the prefix-entry in the route-map's IPv4/IPv6 prefix-table. | |
1819 | */ | |
2d26f094 NT |
1820 | static void route_map_pfx_table_add(struct route_table *table, |
1821 | struct route_map_index *index, | |
1822 | struct prefix_list_entry *pentry) | |
49a08bb0 NT |
1823 | { |
1824 | struct route_node *rn = NULL; | |
1825 | struct list *rmap_candidate_list = NULL; | |
1826 | bool updated_rn = false; | |
1827 | ||
1828 | rn = route_node_get(table, &pentry->prefix); | |
1829 | if (!rn) | |
1830 | return; | |
1831 | ||
1832 | if (!rn->info) { | |
1833 | rmap_candidate_list = list_new(); | |
1834 | rmap_candidate_list->cmp = | |
1835 | (int (*)(void *, void *))route_map_candidate_list_cmp; | |
1836 | rn->info = rmap_candidate_list; | |
1837 | } else { | |
1838 | rmap_candidate_list = (struct list *)rn->info; | |
1839 | updated_rn = true; | |
1840 | } | |
1841 | ||
1842 | listnode_add_sort_nodup(rmap_candidate_list, index); | |
1843 | if (updated_rn) | |
1844 | route_unlock_node(rn); | |
1845 | } | |
1846 | ||
1847 | /* | |
1848 | * This function removes the route-map index from the route-node for | |
1849 | * the prefix-entry in the route-map's IPv4/IPv6 prefix-table. | |
1850 | */ | |
2d26f094 NT |
1851 | static void route_map_pfx_table_del(struct route_table *table, |
1852 | struct route_map_index *index, | |
1853 | struct prefix_list_entry *pentry) | |
49a08bb0 NT |
1854 | { |
1855 | struct route_node *rn = NULL; | |
1856 | struct list *rmap_candidate_list = NULL; | |
1857 | ||
1858 | rn = route_node_lookup(table, &pentry->prefix); | |
1859 | if (!rn || !rn->info) | |
1860 | return; | |
1861 | ||
1862 | rmap_candidate_list = (struct list *)rn->info; | |
1863 | ||
1864 | listnode_delete(rmap_candidate_list, index); | |
1865 | ||
1866 | if (listcount(rmap_candidate_list) == 0) { | |
1867 | list_delete(&rmap_candidate_list); | |
1868 | rn->info = NULL; | |
1869 | route_unlock_node(rn); | |
1870 | } | |
1871 | route_unlock_node(rn); | |
1872 | } | |
1873 | ||
3eca8715 NT |
1874 | /* This function checks for the presence of an IPv4 prefix-list |
1875 | * match rule in the given route-map index. | |
49a08bb0 | 1876 | */ |
3eca8715 | 1877 | static bool route_map_is_ip_pfx_list_rule_present(struct route_map_index *index) |
49a08bb0 NT |
1878 | { |
1879 | struct route_map_rule_list *match_list = NULL; | |
1880 | struct route_map_rule *rule = NULL; | |
1881 | ||
1882 | match_list = &index->match_list; | |
1883 | for (rule = match_list->head; rule; rule = rule->next) | |
3eca8715 | 1884 | if (IS_RULE_IPv4_PREFIX_LIST(rule->cmd->str)) |
49a08bb0 NT |
1885 | return true; |
1886 | ||
1887 | return false; | |
1888 | } | |
1889 | ||
3eca8715 NT |
1890 | /* This function checks for the presence of an IPv6 prefix-list |
1891 | * match rule in the given route-map index. | |
49a08bb0 | 1892 | */ |
3eca8715 NT |
1893 | static bool |
1894 | route_map_is_ipv6_pfx_list_rule_present(struct route_map_index *index) | |
49a08bb0 NT |
1895 | { |
1896 | struct route_map_rule_list *match_list = NULL; | |
1897 | struct route_map_rule *rule = NULL; | |
1898 | ||
1899 | match_list = &index->match_list; | |
1900 | for (rule = match_list->head; rule; rule = rule->next) | |
3eca8715 | 1901 | if (IS_RULE_IPv6_PREFIX_LIST(rule->cmd->str)) |
49a08bb0 NT |
1902 | return true; |
1903 | ||
1904 | return false; | |
1905 | } | |
1906 | ||
1907 | /* This function does the following: | |
1908 | * 1) If plist_name is not present, search for a IPv4 or IPv6 prefix-list | |
1909 | * match clause (based on the afi passed to this foo) and get the | |
1910 | * prefix-list name. | |
1911 | * 2) Look up the prefix-list using the name. | |
1912 | * 3) If the prefix-list is not found then, add the index to the IPv4/IPv6 | |
1913 | * default-route's node in the trie (based on the afi passed to this foo). | |
1914 | * 4) If the prefix-list is found then, remove the index from the IPv4/IPv6 | |
1915 | * default-route's node in the trie (based on the afi passed to this foo). | |
1916 | * 5) If a prefix-entry is passed then, create a route-node for this entry and | |
1917 | * add this index to the route-node. | |
1918 | * 6) If prefix-entry is not passed then, for every prefix-entry in the | |
1919 | * prefix-list, create a route-node for this entry and | |
1920 | * add this index to the route-node. | |
1921 | */ | |
2d26f094 NT |
1922 | static void route_map_add_plist_entries(afi_t afi, |
1923 | struct route_map_index *index, | |
1924 | const char *plist_name, | |
1925 | struct prefix_list_entry *entry) | |
49a08bb0 NT |
1926 | { |
1927 | struct route_map_rule_list *match_list = NULL; | |
1928 | struct route_map_rule *match = NULL; | |
1929 | struct prefix_list *plist = NULL; | |
1930 | struct prefix_list_entry *pentry = NULL; | |
1931 | bool plist_rule_is_present = false; | |
1932 | ||
1933 | if (!plist_name) { | |
1934 | match_list = &index->match_list; | |
1935 | ||
1936 | for (match = match_list->head; match; match = match->next) { | |
819a23f9 | 1937 | if (afi == AFI_IP) { |
2d26f094 | 1938 | if (IS_RULE_IPv4_PREFIX_LIST(match->cmd->str)) { |
819a23f9 NT |
1939 | plist_rule_is_present = true; |
1940 | break; | |
2d26f094 | 1941 | } |
819a23f9 | 1942 | } else { |
2d26f094 | 1943 | if (IS_RULE_IPv6_PREFIX_LIST(match->cmd->str)) { |
819a23f9 NT |
1944 | plist_rule_is_present = true; |
1945 | break; | |
2d26f094 | 1946 | } |
49a08bb0 NT |
1947 | } |
1948 | } | |
1949 | ||
1950 | if (plist_rule_is_present) | |
1951 | plist = prefix_list_lookup(afi, match->rule_str); | |
1952 | } else { | |
1953 | plist = prefix_list_lookup(afi, plist_name); | |
1954 | } | |
1955 | ||
1956 | if (!plist) { | |
1957 | route_map_pfx_table_add_default(afi, index); | |
1958 | return; | |
1959 | } | |
1960 | ||
1961 | route_map_pfx_table_del_default(afi, index); | |
1962 | ||
1963 | if (entry) { | |
1964 | if (afi == AFI_IP) { | |
2d26f094 NT |
1965 | route_map_pfx_table_add(index->map->ipv4_prefix_table, |
1966 | index, entry); | |
49a08bb0 | 1967 | } else { |
2d26f094 NT |
1968 | route_map_pfx_table_add(index->map->ipv6_prefix_table, |
1969 | index, entry); | |
49a08bb0 NT |
1970 | } |
1971 | } else { | |
1972 | for (pentry = plist->head; pentry; pentry = pentry->next) { | |
1973 | if (afi == AFI_IP) { | |
1974 | route_map_pfx_table_add( | |
2d26f094 NT |
1975 | index->map->ipv4_prefix_table, index, |
1976 | pentry); | |
49a08bb0 NT |
1977 | } else { |
1978 | route_map_pfx_table_add( | |
2d26f094 NT |
1979 | index->map->ipv6_prefix_table, index, |
1980 | pentry); | |
49a08bb0 NT |
1981 | } |
1982 | } | |
1983 | } | |
1984 | } | |
1985 | ||
1986 | /* This function does the following: | |
1987 | * 1) If plist_name is not present, search for a IPv4 or IPv6 prefix-list | |
1988 | * match clause (based on the afi passed to this foo) and get the | |
1989 | * prefix-list name. | |
1990 | * 2) Look up the prefix-list using the name. | |
1991 | * 3) If the prefix-list is not found then, delete the index from the IPv4/IPv6 | |
1992 | * default-route's node in the trie (based on the afi passed to this foo). | |
1993 | * 4) If a prefix-entry is passed then, remove this index from the route-node | |
1994 | * for the prefix in this prefix-entry. | |
1995 | * 5) If prefix-entry is not passed then, for every prefix-entry in the | |
1996 | * prefix-list, remove this index from the route-node | |
1997 | * for the prefix in this prefix-entry. | |
1998 | */ | |
2d26f094 NT |
1999 | static void route_map_del_plist_entries(afi_t afi, |
2000 | struct route_map_index *index, | |
2001 | const char *plist_name, | |
2002 | struct prefix_list_entry *entry) | |
49a08bb0 NT |
2003 | { |
2004 | struct route_map_rule_list *match_list = NULL; | |
2005 | struct route_map_rule *match = NULL; | |
2006 | struct prefix_list *plist = NULL; | |
2007 | struct prefix_list_entry *pentry = NULL; | |
2008 | bool plist_rule_is_present = false; | |
2009 | ||
2010 | if (!plist_name) { | |
2011 | match_list = &index->match_list; | |
2012 | ||
2013 | for (match = match_list->head; match; match = match->next) { | |
819a23f9 | 2014 | if (afi == AFI_IP) { |
2d26f094 | 2015 | if (IS_RULE_IPv4_PREFIX_LIST(match->cmd->str)) { |
819a23f9 NT |
2016 | plist_rule_is_present = true; |
2017 | break; | |
2d26f094 | 2018 | } |
819a23f9 | 2019 | } else { |
2d26f094 | 2020 | if (IS_RULE_IPv6_PREFIX_LIST(match->cmd->str)) { |
819a23f9 NT |
2021 | plist_rule_is_present = true; |
2022 | break; | |
2d26f094 | 2023 | } |
49a08bb0 NT |
2024 | } |
2025 | } | |
2026 | ||
2027 | if (plist_rule_is_present) | |
2028 | plist = prefix_list_lookup(afi, match->rule_str); | |
2029 | } else { | |
2030 | plist = prefix_list_lookup(afi, plist_name); | |
2031 | } | |
2032 | ||
2033 | if (!plist) { | |
2034 | route_map_pfx_table_del_default(afi, index); | |
2035 | return; | |
2036 | } | |
2037 | ||
2038 | if (entry) { | |
2039 | if (afi == AFI_IP) { | |
2d26f094 NT |
2040 | route_map_pfx_table_del(index->map->ipv4_prefix_table, |
2041 | index, entry); | |
49a08bb0 | 2042 | } else { |
2d26f094 NT |
2043 | route_map_pfx_table_del(index->map->ipv6_prefix_table, |
2044 | index, entry); | |
49a08bb0 NT |
2045 | } |
2046 | } else { | |
2047 | for (pentry = plist->head; pentry; pentry = pentry->next) { | |
2048 | if (afi == AFI_IP) { | |
2049 | route_map_pfx_table_del( | |
2d26f094 NT |
2050 | index->map->ipv4_prefix_table, index, |
2051 | pentry); | |
49a08bb0 NT |
2052 | } else { |
2053 | route_map_pfx_table_del( | |
2d26f094 NT |
2054 | index->map->ipv6_prefix_table, index, |
2055 | pentry); | |
49a08bb0 NT |
2056 | } |
2057 | } | |
2058 | } | |
2059 | } | |
2060 | ||
2061 | /* | |
2062 | * This function handles the cases where a prefix-list is added/removed | |
2063 | * as a match command from a particular route-map index. | |
2064 | * It updates the prefix-table of the route-map accordingly. | |
2065 | */ | |
2d26f094 NT |
2066 | static void route_map_trie_update(afi_t afi, route_map_event_t event, |
2067 | struct route_map_index *index, | |
2068 | const char *plist_name) | |
49a08bb0 NT |
2069 | { |
2070 | if (event == RMAP_EVENT_PLIST_ADDED) { | |
2071 | if (afi == AFI_IP) { | |
3eca8715 | 2072 | if (!route_map_is_ipv6_pfx_list_rule_present(index)) { |
2d26f094 | 2073 | route_map_pfx_table_del_default(AFI_IP6, index); |
49a08bb0 NT |
2074 | route_map_add_plist_entries(afi, index, |
2075 | plist_name, NULL); | |
2076 | } else { | |
2077 | route_map_del_plist_entries(AFI_IP6, index, | |
2078 | NULL, NULL); | |
2079 | } | |
2080 | } else { | |
3eca8715 | 2081 | if (!route_map_is_ip_pfx_list_rule_present(index)) { |
2d26f094 | 2082 | route_map_pfx_table_del_default(AFI_IP, index); |
49a08bb0 NT |
2083 | route_map_add_plist_entries(afi, index, |
2084 | plist_name, NULL); | |
2085 | } else { | |
2d26f094 NT |
2086 | route_map_del_plist_entries(AFI_IP, index, NULL, |
2087 | NULL); | |
49a08bb0 NT |
2088 | } |
2089 | } | |
2090 | } else if (event == RMAP_EVENT_PLIST_DELETED) { | |
2091 | if (afi == AFI_IP) { | |
2d26f094 NT |
2092 | route_map_del_plist_entries(afi, index, plist_name, |
2093 | NULL); | |
49a08bb0 | 2094 | |
3eca8715 NT |
2095 | /* If IPv6 prefix-list match rule is not present, |
2096 | * add this index to the IPv4 default route's trie | |
2097 | * node. | |
2098 | * Also, add this index to the trie nodes created | |
2099 | * for each of the prefix-entries within the IPv6 | |
2100 | * prefix-list, if the IPv6 prefix-list match rule | |
2101 | * is present. Else, add this index to the IPv6 | |
2102 | * default route's trie node. | |
2103 | */ | |
2104 | if (!route_map_is_ipv6_pfx_list_rule_present(index)) | |
49a08bb0 NT |
2105 | route_map_pfx_table_add_default(afi, index); |
2106 | ||
3eca8715 | 2107 | route_map_add_plist_entries(AFI_IP6, index, NULL, NULL); |
49a08bb0 | 2108 | } else { |
2d26f094 NT |
2109 | route_map_del_plist_entries(afi, index, plist_name, |
2110 | NULL); | |
49a08bb0 | 2111 | |
3eca8715 NT |
2112 | /* If IPv4 prefix-list match rule is not present, |
2113 | * add this index to the IPv6 default route's trie | |
2114 | * node. | |
2115 | * Also, add this index to the trie nodes created | |
2116 | * for each of the prefix-entries within the IPv4 | |
2117 | * prefix-list, if the IPv4 prefix-list match rule | |
2118 | * is present. Else, add this index to the IPv4 | |
2119 | * default route's trie node. | |
2120 | */ | |
2121 | if (!route_map_is_ip_pfx_list_rule_present(index)) | |
49a08bb0 NT |
2122 | route_map_pfx_table_add_default(afi, index); |
2123 | ||
3eca8715 | 2124 | route_map_add_plist_entries(AFI_IP, index, NULL, NULL); |
49a08bb0 NT |
2125 | } |
2126 | } | |
2127 | } | |
2128 | ||
2129 | /* | |
2130 | * This function handles the cases where a route-map index and | |
2131 | * prefix-list is added/removed. | |
2132 | * It updates the prefix-table of the route-map accordingly. | |
2133 | */ | |
2d26f094 NT |
2134 | static void route_map_pfx_tbl_update(route_map_event_t event, |
2135 | struct route_map_index *index, afi_t afi, | |
2136 | const char *plist_name) | |
49a08bb0 NT |
2137 | { |
2138 | struct route_map *rmap = NULL; | |
2139 | ||
2140 | if (!index) | |
2141 | return; | |
2142 | ||
2143 | if (event == RMAP_EVENT_INDEX_ADDED) { | |
2144 | route_map_pfx_table_add_default(AFI_IP, index); | |
2145 | route_map_pfx_table_add_default(AFI_IP6, index); | |
2146 | return; | |
2147 | } | |
2148 | ||
2149 | if (event == RMAP_EVENT_INDEX_DELETED) { | |
2150 | route_map_pfx_table_del_default(AFI_IP, index); | |
2151 | route_map_pfx_table_del_default(AFI_IP6, index); | |
2152 | ||
2d26f094 | 2153 | if ((index->map->head == NULL) && (index->map->tail == NULL)) { |
49a08bb0 NT |
2154 | rmap = index->map; |
2155 | ||
2156 | if (rmap->ipv4_prefix_table) { | |
2157 | route_table_finish(rmap->ipv4_prefix_table); | |
2158 | rmap->ipv4_prefix_table = NULL; | |
2159 | } | |
2160 | ||
2161 | if (rmap->ipv6_prefix_table) { | |
2162 | route_table_finish(rmap->ipv6_prefix_table); | |
2163 | rmap->ipv6_prefix_table = NULL; | |
2164 | } | |
2165 | } | |
2166 | return; | |
2167 | } | |
2168 | ||
2169 | /* Handle prefix-list match rule addition/deletion. | |
2170 | */ | |
2d26f094 | 2171 | route_map_trie_update(afi, event, index, plist_name); |
49a08bb0 NT |
2172 | } |
2173 | ||
2174 | /* | |
2175 | * This function handles the cases where a new prefix-entry is added to | |
2176 | * a prefix-list or, an existing prefix-entry is removed from the prefix-list. | |
2177 | * It updates the prefix-table of the route-map accordingly. | |
2178 | */ | |
2d26f094 NT |
2179 | static void route_map_pentry_update(route_map_event_t event, |
2180 | const char *plist_name, | |
2181 | struct route_map_index *index, | |
2182 | struct prefix_list_entry *pentry) | |
49a08bb0 NT |
2183 | { |
2184 | struct prefix_list *plist = NULL; | |
2185 | afi_t afi; | |
2186 | unsigned char family = pentry->prefix.family; | |
2187 | ||
2188 | if (family == AF_INET) { | |
2189 | afi = AFI_IP; | |
2190 | plist = prefix_list_lookup(AFI_IP, plist_name); | |
2191 | } else { | |
2192 | afi = AFI_IP6; | |
2193 | plist = prefix_list_lookup(AFI_IP6, plist_name); | |
2194 | } | |
2195 | ||
2196 | if (event == RMAP_EVENT_PLIST_ADDED) { | |
3eca8715 NT |
2197 | if (afi == AFI_IP) { |
2198 | if (!route_map_is_ipv6_pfx_list_rule_present(index)) | |
2199 | route_map_add_plist_entries(afi, index, | |
2200 | plist_name, pentry); | |
49a08bb0 | 2201 | } else { |
3eca8715 NT |
2202 | if (!route_map_is_ip_pfx_list_rule_present(index)) |
2203 | route_map_add_plist_entries(afi, index, | |
2204 | plist_name, pentry); | |
49a08bb0 NT |
2205 | } |
2206 | } else if (event == RMAP_EVENT_PLIST_DELETED) { | |
2207 | route_map_del_plist_entries(afi, index, plist_name, pentry); | |
2208 | ||
2209 | if (plist->count == 1) { | |
2210 | if (afi == AFI_IP) { | |
3eca8715 NT |
2211 | if (!route_map_is_ipv6_pfx_list_rule_present( |
2212 | index)) | |
49a08bb0 NT |
2213 | route_map_pfx_table_add_default(afi, |
2214 | index); | |
2215 | } else { | |
3eca8715 NT |
2216 | if (!route_map_is_ip_pfx_list_rule_present( |
2217 | index)) | |
49a08bb0 NT |
2218 | route_map_pfx_table_add_default(afi, |
2219 | index); | |
2220 | } | |
2221 | } | |
2222 | } | |
2223 | } | |
2224 | ||
7f5818fb | 2225 | static void route_map_pentry_process_dependency(struct hash_bucket *backet, |
2d26f094 | 2226 | void *data) |
49a08bb0 NT |
2227 | { |
2228 | char *rmap_name = NULL; | |
2229 | struct route_map *rmap = NULL; | |
2230 | struct route_map_index *index = NULL; | |
2231 | struct route_map_rule_list *match_list = NULL; | |
2232 | struct route_map_rule *match = NULL; | |
2233 | struct route_map_dep_data *dep_data = NULL; | |
2234 | struct route_map_pentry_dep *pentry_dep = | |
2d26f094 | 2235 | (struct route_map_pentry_dep *)data; |
49a08bb0 NT |
2236 | unsigned char family = pentry_dep->pentry->prefix.family; |
2237 | ||
2238 | dep_data = (struct route_map_dep_data *)backet->data; | |
2239 | if (!dep_data) | |
2240 | return; | |
2241 | ||
2242 | rmap_name = dep_data->rname; | |
2243 | rmap = route_map_lookup_by_name(rmap_name); | |
2244 | if (!rmap || !rmap->head) | |
2245 | return; | |
2246 | ||
2247 | for (index = rmap->head; index; index = index->next) { | |
2248 | match_list = &index->match_list; | |
2249 | ||
2250 | if (!match_list) | |
2251 | continue; | |
2252 | ||
2253 | for (match = match_list->head; match; match = match->next) { | |
2254 | if (strcmp(match->rule_str, pentry_dep->plist_name) | |
2d26f094 NT |
2255 | == 0) { |
2256 | if (IS_RULE_IPv4_PREFIX_LIST(match->cmd->str) | |
2257 | && family == AF_INET) { | |
49a08bb0 | 2258 | route_map_pentry_update( |
2d26f094 NT |
2259 | pentry_dep->event, |
2260 | pentry_dep->plist_name, index, | |
2261 | pentry_dep->pentry); | |
819a23f9 | 2262 | } else if (IS_RULE_IPv6_PREFIX_LIST( |
2d26f094 NT |
2263 | match->cmd->str) |
2264 | && family == AF_INET6) { | |
49a08bb0 | 2265 | route_map_pentry_update( |
2d26f094 NT |
2266 | pentry_dep->event, |
2267 | pentry_dep->plist_name, index, | |
2268 | pentry_dep->pentry); | |
49a08bb0 NT |
2269 | } |
2270 | } | |
2271 | } | |
2272 | } | |
2273 | } | |
2274 | ||
2d26f094 NT |
2275 | void route_map_notify_pentry_dependencies(const char *affected_name, |
2276 | struct prefix_list_entry *pentry, | |
2277 | route_map_event_t event) | |
49a08bb0 NT |
2278 | { |
2279 | struct route_map_dep *dep = NULL; | |
2280 | struct hash *upd8_hash = NULL; | |
2281 | struct route_map_pentry_dep pentry_dep; | |
2282 | ||
2283 | if (!affected_name || !pentry) | |
2284 | return; | |
2285 | ||
2286 | upd8_hash = route_map_get_dep_hash(event); | |
2287 | if (!upd8_hash) | |
2288 | return; | |
2289 | ||
2290 | dep = (struct route_map_dep *)hash_get(upd8_hash, (void *)affected_name, | |
2291 | NULL); | |
2292 | if (dep) { | |
2293 | if (!dep->this_hash) | |
2294 | dep->this_hash = upd8_hash; | |
2295 | ||
2296 | memset(&pentry_dep, 0, sizeof(struct route_map_pentry_dep)); | |
2297 | pentry_dep.pentry = pentry; | |
2298 | pentry_dep.plist_name = affected_name; | |
2299 | pentry_dep.event = event; | |
2300 | ||
2301 | hash_iterate(dep->dep_rmap_hash, | |
2302 | route_map_pentry_process_dependency, | |
2303 | (void *)&pentry_dep); | |
2304 | } | |
2305 | } | |
2306 | ||
3bf1c917 | 2307 | /* Apply route map's each index to the object. |
2308 | ||
2309 | The matrix for a route-map looks like this: | |
2310 | (note, this includes the description for the "NEXT" | |
2311 | and "GOTO" frobs now | |
d62a17ae | 2312 | |
b68885f9 LK |
2313 | | Match | No Match | No op |
2314 | |-----------|--------------|------- | |
2315 | permit | action | cont | cont. | |
2316 | | | default:deny | default:permit | |
2317 | -------------------+----------------------- | |
2318 | | deny | cont | cont. | |
2319 | deny | | default:deny | default:permit | |
2320 | |-----------|--------------|-------- | |
d62a17ae | 2321 | |
fee0f4c6 | 2322 | action) |
2323 | -Apply Set statements, accept route | |
2324 | -If Call statement is present jump to the specified route-map, if it | |
d62a17ae | 2325 | denies the route we finish. |
fee0f4c6 | 2326 | -If NEXT is specified, goto NEXT statement |
2327 | -If GOTO is specified, goto the first clause where pref > nextpref | |
2328 | -If nothing is specified, do as Cisco and finish | |
2329 | deny) | |
2330 | -Route is denied by route-map. | |
2331 | cont) | |
2332 | -Goto Next index | |
d62a17ae | 2333 | |
3bf1c917 | 2334 | If we get no matches after we've processed all updates, then the route |
2335 | is dropped too. | |
d62a17ae | 2336 | |
fee0f4c6 | 2337 | Some notes on the new "CALL", "NEXT" and "GOTO" |
2338 | call WORD - If this clause is matched, then the set statements | |
d62a17ae | 2339 | are executed and then we jump to route-map 'WORD'. If |
2340 | this route-map denies the route, we finish, in other | |
2341 | case we | |
2342 | do whatever the exit policy (EXIT, NEXT or GOTO) tells. | |
3bf1c917 | 2343 | on-match next - If this clause is matched, then the set statements |
d62a17ae | 2344 | are executed and then we drop through to the next clause |
3bf1c917 | 2345 | on-match goto n - If this clause is matched, then the set statments |
d62a17ae | 2346 | are executed and then we goto the nth clause, or the |
2347 | first clause greater than this. In order to ensure | |
2348 | route-maps *always* exit, you cannot jump backwards. | |
2349 | Sorry ;) | |
2350 | ||
3bf1c917 | 2351 | We need to make sure our route-map processing matches the above |
718e3744 | 2352 | */ |
123214ef MS |
2353 | route_map_result_t route_map_apply(struct route_map *map, |
2354 | const struct prefix *prefix, | |
d62a17ae | 2355 | route_map_object_t type, void *object) |
2356 | { | |
2357 | static int recursion = 0; | |
b68885f9 LK |
2358 | enum route_map_cmd_result_t match_ret = RMAP_NOMATCH; |
2359 | route_map_result_t ret = RMAP_PERMITMATCH; | |
819a23f9 NT |
2360 | struct route_map_index *index = NULL; |
2361 | struct route_map_rule *set = NULL; | |
e3ab8170 | 2362 | char buf[PREFIX_STRLEN]; |
819a23f9 | 2363 | bool skip_match_clause = false; |
d62a17ae | 2364 | |
2365 | if (recursion > RMAP_RECURSION_LIMIT) { | |
040c7c3a | 2366 | flog_warn( |
450971aa | 2367 | EC_LIB_RMAP_RECURSION_LIMIT, |
d62a17ae | 2368 | "route-map recursion limit (%d) reached, discarding route", |
2369 | RMAP_RECURSION_LIMIT); | |
2370 | recursion = 0; | |
2371 | return RMAP_DENYMATCH; | |
2372 | } | |
2373 | ||
b68885f9 | 2374 | if (map == NULL || map->head == NULL) { |
e3ab8170 AD |
2375 | ret = RMAP_DENYMATCH; |
2376 | goto route_map_apply_end; | |
2377 | } | |
d62a17ae | 2378 | |
279b0607 | 2379 | map->applied++; |
819a23f9 | 2380 | |
2d26f094 NT |
2381 | if ((!map->optimization_disabled) |
2382 | && (map->ipv4_prefix_table || map->ipv6_prefix_table)) { | |
2383 | index = route_map_get_index(map, prefix, type, object, | |
819a23f9 NT |
2384 | (uint8_t *)&match_ret); |
2385 | if (index) { | |
2386 | if (rmap_debug) | |
2387 | zlog_debug( | |
2388 | "Best match route-map: %s, sequence: %d for pfx: %s, result: %s", | |
2389 | map->name, index->pref, | |
2390 | prefix2str(prefix, buf, sizeof(buf)), | |
2391 | route_map_cmd_result_str(match_ret)); | |
2392 | } else { | |
2393 | if (rmap_debug) | |
2d26f094 NT |
2394 | zlog_debug( |
2395 | "No best match sequence for pfx: %s in route-map: %s, result: %s", | |
2396 | prefix2str(prefix, buf, sizeof(buf)), | |
2397 | map->name, | |
2398 | route_map_cmd_result_str(match_ret)); | |
819a23f9 NT |
2399 | /* |
2400 | * No index matches this prefix. Return deny unless, | |
2401 | * match_ret = RMAP_NOOP. | |
2402 | */ | |
2403 | if (match_ret == RMAP_NOOP) | |
2404 | ret = RMAP_PERMITMATCH; | |
2405 | else | |
2406 | ret = RMAP_DENYMATCH; | |
2407 | goto route_map_apply_end; | |
e3ab8170 | 2408 | } |
819a23f9 NT |
2409 | skip_match_clause = true; |
2410 | } else { | |
2411 | index = map->head; | |
2412 | } | |
2413 | ||
2414 | for (; index; index = index->next) { | |
a8f58eb6 | 2415 | if (!skip_match_clause) { |
819a23f9 NT |
2416 | /* Apply this index. */ |
2417 | match_ret = route_map_apply_match(&index->match_list, | |
2418 | prefix, type, object); | |
2419 | if (rmap_debug) { | |
2420 | zlog_debug( | |
2421 | "Route-map: %s, sequence: %d, prefix: %s, result: %s", | |
2422 | map->name, index->pref, | |
2423 | prefix2str(prefix, buf, sizeof(buf)), | |
2424 | route_map_cmd_result_str(match_ret)); | |
2425 | } | |
2426 | } else | |
2427 | skip_match_clause = false; | |
2428 | ||
e3ab8170 | 2429 | |
d62a17ae | 2430 | /* Now we apply the matrix from above */ |
b68885f9 LK |
2431 | if (match_ret == RMAP_NOOP) |
2432 | /* | |
2433 | * Do not change the return value. Retain the previous | |
2434 | * return value. Previous values can be: | |
2435 | * 1)permitmatch (if a nomatch was never | |
2436 | * seen before in this route-map.) | |
2437 | * 2)denymatch (if a nomatch was seen earlier in one | |
2438 | * of the previous sequences) | |
2439 | */ | |
2440 | ||
2441 | /* | |
2442 | * 'cont' from matrix - continue to next route-map | |
2443 | * sequence | |
2444 | */ | |
d62a17ae | 2445 | continue; |
b68885f9 LK |
2446 | else if (match_ret == RMAP_NOMATCH) { |
2447 | ||
2448 | /* | |
2449 | * The return value is now changed to denymatch. | |
2450 | * So from here on out, even if we see more noops, | |
2451 | * we retain this return value and return this | |
2452 | * eventually if there are no matches. | |
2453 | */ | |
2454 | ret = RMAP_DENYMATCH; | |
2455 | ||
2456 | /* | |
2457 | * 'cont' from matrix - continue to next route-map | |
2458 | * sequence | |
2459 | */ | |
2460 | continue; | |
2461 | } else if (match_ret == RMAP_MATCH) { | |
d62a17ae | 2462 | if (index->type == RMAP_PERMIT) |
2463 | /* 'action' */ | |
2464 | { | |
b68885f9 LK |
2465 | /* Match succeeded, rmap is of type permit */ |
2466 | ret = RMAP_PERMITMATCH; | |
2467 | ||
d62a17ae | 2468 | /* permit+match must execute sets */ |
2469 | for (set = index->set_list.head; set; | |
2470 | set = set->next) | |
b68885f9 LK |
2471 | /* |
2472 | * set cmds return RMAP_OKAY or | |
2473 | * RMAP_ERROR. We do not care if | |
2474 | * set succeeded or not. So, ignore | |
2475 | * return code. | |
2476 | */ | |
2477 | (void) (*set->cmd->func_apply)( | |
2789041a LK |
2478 | set->value, prefix, type, |
2479 | object); | |
d62a17ae | 2480 | |
2481 | /* Call another route-map if available */ | |
2482 | if (index->nextrm) { | |
2483 | struct route_map *nextrm = | |
2484 | route_map_lookup_by_name( | |
2485 | index->nextrm); | |
2486 | ||
2487 | if (nextrm) /* Target route-map found, | |
2488 | jump to it */ | |
2489 | { | |
2490 | recursion++; | |
2491 | ret = route_map_apply( | |
2492 | nextrm, prefix, type, | |
2493 | object); | |
2494 | recursion--; | |
2495 | } | |
2496 | ||
2497 | /* If nextrm returned 'deny', finish. */ | |
2498 | if (ret == RMAP_DENYMATCH) | |
e3ab8170 | 2499 | goto route_map_apply_end; |
d62a17ae | 2500 | } |
2501 | ||
2502 | switch (index->exitpolicy) { | |
2503 | case RMAP_EXIT: | |
e3ab8170 | 2504 | goto route_map_apply_end; |
d62a17ae | 2505 | case RMAP_NEXT: |
2506 | continue; | |
2507 | case RMAP_GOTO: { | |
2508 | /* Find the next clause to jump to */ | |
2509 | struct route_map_index *next = | |
2510 | index->next; | |
2511 | int nextpref = index->nextpref; | |
2512 | ||
2513 | while (next && next->pref < nextpref) { | |
2514 | index = next; | |
2515 | next = next->next; | |
2516 | } | |
2517 | if (next == NULL) { | |
2518 | /* No clauses match! */ | |
e3ab8170 | 2519 | goto route_map_apply_end; |
d62a17ae | 2520 | } |
2521 | } | |
2522 | } | |
2523 | } else if (index->type == RMAP_DENY) | |
2524 | /* 'deny' */ | |
2525 | { | |
e3ab8170 AD |
2526 | ret = RMAP_DENYMATCH; |
2527 | goto route_map_apply_end; | |
d62a17ae | 2528 | } |
2529 | } | |
2530 | } | |
e3ab8170 AD |
2531 | |
2532 | route_map_apply_end: | |
2533 | if (rmap_debug) { | |
2534 | zlog_debug("Route-map: %s, prefix: %s, result: %s", | |
2535 | (map ? map->name : "null"), | |
2536 | prefix2str(prefix, buf, sizeof(buf)), | |
2537 | route_map_result_str(ret)); | |
2538 | } | |
2539 | ||
2540 | return (ret); | |
d62a17ae | 2541 | } |
2542 | ||
2543 | void route_map_add_hook(void (*func)(const char *)) | |
2544 | { | |
2545 | route_map_master.add_hook = func; | |
2546 | } | |
2547 | ||
2548 | void route_map_delete_hook(void (*func)(const char *)) | |
2549 | { | |
2550 | route_map_master.delete_hook = func; | |
2551 | } | |
2552 | ||
097b5973 | 2553 | void route_map_event_hook(void (*func)(const char *name)) |
d62a17ae | 2554 | { |
2555 | route_map_master.event_hook = func; | |
718e3744 | 2556 | } |
2557 | ||
518f0eb1 | 2558 | /* Routines for route map dependency lists and dependency processing */ |
74df8d6d | 2559 | static bool route_map_rmap_hash_cmp(const void *p1, const void *p2) |
518f0eb1 | 2560 | { |
e2c8d6ce NT |
2561 | return strcmp(((const struct route_map_dep_data *)p1)->rname, |
2562 | ((const struct route_map_dep_data *)p2)->rname) | |
2563 | == 0; | |
518f0eb1 DS |
2564 | } |
2565 | ||
74df8d6d | 2566 | static bool route_map_dep_hash_cmp(const void *p1, const void *p2) |
518f0eb1 DS |
2567 | { |
2568 | ||
d62a17ae | 2569 | return (strcmp(((const struct route_map_dep *)p1)->dep_name, |
2570 | (const char *)p2) | |
2571 | == 0); | |
518f0eb1 DS |
2572 | } |
2573 | ||
e3b78da8 | 2574 | static void route_map_clear_reference(struct hash_bucket *bucket, void *arg) |
518f0eb1 | 2575 | { |
e2c8d6ce NT |
2576 | struct route_map_dep *dep = bucket->data; |
2577 | struct route_map_dep_data *dep_data = NULL, tmp_dep_data; | |
518f0eb1 | 2578 | |
1fae5ff2 | 2579 | if (arg) { |
e2c8d6ce NT |
2580 | memset(&tmp_dep_data, 0, sizeof(struct route_map_dep_data)); |
2581 | tmp_dep_data.rname = arg; | |
2582 | dep_data = hash_release(dep->dep_rmap_hash, | |
2583 | &tmp_dep_data); | |
2584 | if (dep_data) { | |
2585 | XFREE(MTYPE_ROUTE_MAP_NAME, dep_data->rname); | |
2586 | XFREE(MTYPE_ROUTE_MAP_DEP_DATA, dep_data); | |
d62a17ae | 2587 | } |
2588 | if (!dep->dep_rmap_hash->count) { | |
2589 | dep = hash_release(dep->this_hash, | |
2590 | (void *)dep->dep_name); | |
2591 | hash_free(dep->dep_rmap_hash); | |
2592 | XFREE(MTYPE_ROUTE_MAP_NAME, dep->dep_name); | |
2593 | XFREE(MTYPE_ROUTE_MAP_DEP, dep); | |
2594 | } | |
518f0eb1 | 2595 | } |
d62a17ae | 2596 | } |
2597 | ||
2598 | static void route_map_clear_all_references(char *rmap_name) | |
2599 | { | |
2600 | int i; | |
2601 | ||
2602 | for (i = 1; i < ROUTE_MAP_DEP_MAX; i++) { | |
2603 | hash_iterate(route_map_dep_hash[i], route_map_clear_reference, | |
2604 | (void *)rmap_name); | |
518f0eb1 | 2605 | } |
518f0eb1 DS |
2606 | } |
2607 | ||
e2c8d6ce NT |
2608 | static unsigned int route_map_dep_data_hash_make_key(const void *p) |
2609 | { | |
2610 | const struct route_map_dep_data *dep_data = p; | |
2611 | ||
2612 | return string_hash_make(dep_data->rname); | |
2613 | } | |
2614 | ||
d62a17ae | 2615 | static void *route_map_dep_hash_alloc(void *p) |
518f0eb1 | 2616 | { |
d62a17ae | 2617 | char *dep_name = (char *)p; |
2618 | struct route_map_dep *dep_entry; | |
2619 | ||
2620 | dep_entry = XCALLOC(MTYPE_ROUTE_MAP_DEP, sizeof(struct route_map_dep)); | |
2621 | dep_entry->dep_name = XSTRDUP(MTYPE_ROUTE_MAP_NAME, dep_name); | |
996c9314 | 2622 | dep_entry->dep_rmap_hash = |
e2c8d6ce | 2623 | hash_create_size(8, route_map_dep_data_hash_make_key, |
996c9314 | 2624 | route_map_rmap_hash_cmp, "Route Map Dep Hash"); |
d62a17ae | 2625 | dep_entry->this_hash = NULL; |
2626 | ||
e2c8d6ce | 2627 | return dep_entry; |
d62a17ae | 2628 | } |
518f0eb1 | 2629 | |
d62a17ae | 2630 | static void *route_map_name_hash_alloc(void *p) |
2631 | { | |
e2c8d6ce NT |
2632 | struct route_map_dep_data *dep_data = NULL, *tmp_dep_data = NULL; |
2633 | ||
2634 | dep_data = XCALLOC(MTYPE_ROUTE_MAP_DEP_DATA, | |
2635 | sizeof(struct route_map_dep_data)); | |
2636 | tmp_dep_data = p; | |
2637 | dep_data->rname = XSTRDUP(MTYPE_ROUTE_MAP_NAME, tmp_dep_data->rname); | |
2638 | return dep_data; | |
518f0eb1 DS |
2639 | } |
2640 | ||
d8b87afe | 2641 | static unsigned int route_map_dep_hash_make_key(const void *p) |
518f0eb1 | 2642 | { |
d62a17ae | 2643 | return (string_hash_make((char *)p)); |
2644 | } | |
518f0eb1 | 2645 | |
e3b78da8 | 2646 | static void route_map_print_dependency(struct hash_bucket *bucket, void *data) |
d62a17ae | 2647 | { |
e2c8d6ce NT |
2648 | struct route_map_dep_data *dep_data = bucket->data; |
2649 | char *rmap_name = dep_data->rname; | |
2650 | char *dep_name = data; | |
518f0eb1 | 2651 | |
15569c58 | 2652 | zlog_debug("%s: Dependency for %s: %s", __func__, dep_name, rmap_name); |
518f0eb1 DS |
2653 | } |
2654 | ||
d62a17ae | 2655 | static int route_map_dep_update(struct hash *dephash, const char *dep_name, |
2656 | const char *rmap_name, route_map_event_t type) | |
518f0eb1 | 2657 | { |
d62a17ae | 2658 | struct route_map_dep *dep = NULL; |
d62a17ae | 2659 | char *dname, *rname; |
2660 | int ret = 0; | |
e2c8d6ce NT |
2661 | struct route_map_dep_data *dep_data = NULL, *ret_dep_data = NULL; |
2662 | struct route_map_dep_data tmp_dep_data; | |
d62a17ae | 2663 | |
2664 | dname = XSTRDUP(MTYPE_ROUTE_MAP_NAME, dep_name); | |
2665 | rname = XSTRDUP(MTYPE_ROUTE_MAP_NAME, rmap_name); | |
2666 | ||
2667 | switch (type) { | |
2668 | case RMAP_EVENT_PLIST_ADDED: | |
2669 | case RMAP_EVENT_CLIST_ADDED: | |
2670 | case RMAP_EVENT_ECLIST_ADDED: | |
2671 | case RMAP_EVENT_ASLIST_ADDED: | |
2672 | case RMAP_EVENT_LLIST_ADDED: | |
2673 | case RMAP_EVENT_CALL_ADDED: | |
2674 | case RMAP_EVENT_FILTER_ADDED: | |
2675 | if (rmap_debug) | |
e3ab8170 AD |
2676 | zlog_debug("Adding dependency for filter %s in route-map %s", |
2677 | dep_name, rmap_name); | |
d62a17ae | 2678 | dep = (struct route_map_dep *)hash_get( |
2679 | dephash, dname, route_map_dep_hash_alloc); | |
2680 | if (!dep) { | |
2681 | ret = -1; | |
2682 | goto out; | |
2683 | } | |
2684 | ||
2685 | if (!dep->this_hash) | |
2686 | dep->this_hash = dephash; | |
2687 | ||
e2c8d6ce NT |
2688 | memset(&tmp_dep_data, 0, sizeof(struct route_map_dep_data)); |
2689 | tmp_dep_data.rname = rname; | |
2690 | dep_data = hash_lookup(dep->dep_rmap_hash, &tmp_dep_data); | |
2691 | if (!dep_data) | |
2692 | dep_data = hash_get(dep->dep_rmap_hash, &tmp_dep_data, | |
2693 | route_map_name_hash_alloc); | |
2694 | ||
2695 | dep_data->refcnt++; | |
d62a17ae | 2696 | break; |
2697 | case RMAP_EVENT_PLIST_DELETED: | |
2698 | case RMAP_EVENT_CLIST_DELETED: | |
2699 | case RMAP_EVENT_ECLIST_DELETED: | |
2700 | case RMAP_EVENT_ASLIST_DELETED: | |
2701 | case RMAP_EVENT_LLIST_DELETED: | |
2702 | case RMAP_EVENT_CALL_DELETED: | |
2703 | case RMAP_EVENT_FILTER_DELETED: | |
2704 | if (rmap_debug) | |
e3ab8170 AD |
2705 | zlog_debug("Deleting dependency for filter %s in route-map %s", |
2706 | dep_name, rmap_name); | |
d62a17ae | 2707 | dep = (struct route_map_dep *)hash_get(dephash, dname, NULL); |
2708 | if (!dep) { | |
2709 | goto out; | |
2710 | } | |
2711 | ||
e2c8d6ce NT |
2712 | memset(&tmp_dep_data, 0, sizeof(struct route_map_dep_data)); |
2713 | tmp_dep_data.rname = rname; | |
2714 | dep_data = hash_lookup(dep->dep_rmap_hash, &tmp_dep_data); | |
c415a4dc DA |
2715 | |
2716 | if (!dep_data) | |
2717 | goto out; | |
2718 | ||
2719 | if (dep_data->refcnt) | |
2720 | dep_data->refcnt--; | |
e2c8d6ce NT |
2721 | |
2722 | if (!dep_data->refcnt) { | |
2723 | ret_dep_data = hash_release(dep->dep_rmap_hash, | |
2724 | &tmp_dep_data); | |
2725 | if (ret_dep_data) { | |
2726 | XFREE(MTYPE_ROUTE_MAP_NAME, | |
2727 | ret_dep_data->rname); | |
2728 | XFREE(MTYPE_ROUTE_MAP_DEP_DATA, ret_dep_data); | |
2729 | } | |
2730 | } | |
d62a17ae | 2731 | |
2732 | if (!dep->dep_rmap_hash->count) { | |
2733 | dep = hash_release(dephash, dname); | |
2734 | hash_free(dep->dep_rmap_hash); | |
2735 | XFREE(MTYPE_ROUTE_MAP_NAME, dep->dep_name); | |
2736 | XFREE(MTYPE_ROUTE_MAP_DEP, dep); | |
d62a17ae | 2737 | } |
2738 | break; | |
ba1707ca DS |
2739 | case RMAP_EVENT_SET_ADDED: |
2740 | case RMAP_EVENT_SET_DELETED: | |
2741 | case RMAP_EVENT_SET_REPLACED: | |
2742 | case RMAP_EVENT_MATCH_ADDED: | |
2743 | case RMAP_EVENT_MATCH_DELETED: | |
2744 | case RMAP_EVENT_MATCH_REPLACED: | |
2745 | case RMAP_EVENT_INDEX_ADDED: | |
2746 | case RMAP_EVENT_INDEX_DELETED: | |
d62a17ae | 2747 | break; |
2748 | } | |
2749 | ||
2750 | if (dep) { | |
2751 | if (rmap_debug) | |
2752 | hash_iterate(dep->dep_rmap_hash, | |
2753 | route_map_print_dependency, dname); | |
2754 | } | |
2755 | ||
2756 | out: | |
2757 | XFREE(MTYPE_ROUTE_MAP_NAME, rname); | |
2758 | XFREE(MTYPE_ROUTE_MAP_NAME, dname); | |
2759 | return ret; | |
2760 | } | |
2761 | ||
2762 | static struct hash *route_map_get_dep_hash(route_map_event_t event) | |
2763 | { | |
2764 | struct hash *upd8_hash = NULL; | |
2765 | ||
2766 | switch (event) { | |
2767 | case RMAP_EVENT_PLIST_ADDED: | |
2768 | case RMAP_EVENT_PLIST_DELETED: | |
2769 | upd8_hash = route_map_dep_hash[ROUTE_MAP_DEP_PLIST]; | |
2770 | break; | |
2771 | case RMAP_EVENT_CLIST_ADDED: | |
2772 | case RMAP_EVENT_CLIST_DELETED: | |
2773 | upd8_hash = route_map_dep_hash[ROUTE_MAP_DEP_CLIST]; | |
2774 | break; | |
2775 | case RMAP_EVENT_ECLIST_ADDED: | |
2776 | case RMAP_EVENT_ECLIST_DELETED: | |
2777 | upd8_hash = route_map_dep_hash[ROUTE_MAP_DEP_ECLIST]; | |
2778 | break; | |
2779 | case RMAP_EVENT_ASLIST_ADDED: | |
2780 | case RMAP_EVENT_ASLIST_DELETED: | |
2781 | upd8_hash = route_map_dep_hash[ROUTE_MAP_DEP_ASPATH]; | |
2782 | break; | |
2783 | case RMAP_EVENT_LLIST_ADDED: | |
2784 | case RMAP_EVENT_LLIST_DELETED: | |
2785 | upd8_hash = route_map_dep_hash[ROUTE_MAP_DEP_LCLIST]; | |
2786 | break; | |
2787 | case RMAP_EVENT_CALL_ADDED: | |
2788 | case RMAP_EVENT_CALL_DELETED: | |
5ed2e47b | 2789 | case RMAP_EVENT_MATCH_ADDED: |
2790 | case RMAP_EVENT_MATCH_DELETED: | |
d62a17ae | 2791 | upd8_hash = route_map_dep_hash[ROUTE_MAP_DEP_RMAP]; |
2792 | break; | |
2793 | case RMAP_EVENT_FILTER_ADDED: | |
2794 | case RMAP_EVENT_FILTER_DELETED: | |
2795 | upd8_hash = route_map_dep_hash[ROUTE_MAP_DEP_FILTER]; | |
2796 | break; | |
ba1707ca DS |
2797 | /* |
2798 | * Should we actually be ignoring these? | |
2799 | * I am not sure but at this point in time, let | |
2800 | * us get them into this switch and we can peel | |
2801 | * them into the appropriate place in the future | |
2802 | */ | |
2803 | case RMAP_EVENT_SET_ADDED: | |
2804 | case RMAP_EVENT_SET_DELETED: | |
2805 | case RMAP_EVENT_SET_REPLACED: | |
2806 | case RMAP_EVENT_MATCH_REPLACED: | |
2807 | case RMAP_EVENT_INDEX_ADDED: | |
2808 | case RMAP_EVENT_INDEX_DELETED: | |
d62a17ae | 2809 | upd8_hash = NULL; |
2810 | break; | |
2811 | } | |
2812 | return (upd8_hash); | |
518f0eb1 DS |
2813 | } |
2814 | ||
e3b78da8 | 2815 | static void route_map_process_dependency(struct hash_bucket *bucket, void *data) |
518f0eb1 | 2816 | { |
e2c8d6ce NT |
2817 | struct route_map_dep_data *dep_data = NULL; |
2818 | char *rmap_name = NULL; | |
2819 | ||
2820 | dep_data = bucket->data; | |
2821 | rmap_name = dep_data->rname; | |
d62a17ae | 2822 | |
1fae5ff2 | 2823 | if (rmap_debug) |
e3ab8170 | 2824 | zlog_debug("Notifying %s of dependency", rmap_name); |
1fae5ff2 | 2825 | if (route_map_master.event_hook) |
097b5973 | 2826 | (*route_map_master.event_hook)(rmap_name); |
518f0eb1 DS |
2827 | } |
2828 | ||
d62a17ae | 2829 | void route_map_upd8_dependency(route_map_event_t type, const char *arg, |
2830 | const char *rmap_name) | |
518f0eb1 | 2831 | { |
d62a17ae | 2832 | struct hash *upd8_hash = NULL; |
518f0eb1 | 2833 | |
fdf823db | 2834 | if ((upd8_hash = route_map_get_dep_hash(type))) { |
d62a17ae | 2835 | route_map_dep_update(upd8_hash, arg, rmap_name, type); |
fdf823db NT |
2836 | |
2837 | if (type == RMAP_EVENT_CALL_ADDED) { | |
2838 | /* Execute hook. */ | |
2839 | if (route_map_master.add_hook) | |
2840 | (*route_map_master.add_hook)(rmap_name); | |
2841 | } else if (type == RMAP_EVENT_CALL_DELETED) { | |
2842 | /* Execute hook. */ | |
2843 | if (route_map_master.delete_hook) | |
2844 | (*route_map_master.delete_hook)(rmap_name); | |
2845 | } | |
2846 | } | |
518f0eb1 DS |
2847 | } |
2848 | ||
d62a17ae | 2849 | void route_map_notify_dependencies(const char *affected_name, |
2850 | route_map_event_t event) | |
518f0eb1 | 2851 | { |
d62a17ae | 2852 | struct route_map_dep *dep; |
2853 | struct hash *upd8_hash; | |
2854 | char *name; | |
2855 | ||
2856 | if (!affected_name) | |
2857 | return; | |
2858 | ||
2859 | name = XSTRDUP(MTYPE_ROUTE_MAP_NAME, affected_name); | |
2860 | ||
2861 | if ((upd8_hash = route_map_get_dep_hash(event)) == NULL) { | |
2862 | XFREE(MTYPE_ROUTE_MAP_NAME, name); | |
2863 | return; | |
518f0eb1 | 2864 | } |
d62a17ae | 2865 | |
2866 | dep = (struct route_map_dep *)hash_get(upd8_hash, name, NULL); | |
2867 | if (dep) { | |
2868 | if (!dep->this_hash) | |
2869 | dep->this_hash = upd8_hash; | |
2870 | ||
e3ab8170 AD |
2871 | if (rmap_debug) |
2872 | zlog_debug("Filter %s updated", dep->dep_name); | |
d62a17ae | 2873 | hash_iterate(dep->dep_rmap_hash, route_map_process_dependency, |
2874 | (void *)event); | |
2875 | } | |
2876 | ||
2877 | XFREE(MTYPE_ROUTE_MAP_NAME, name); | |
518f0eb1 DS |
2878 | } |
2879 | ||
718e3744 | 2880 | /* VTY related functions. */ |
2d26f094 NT |
2881 | DEFUN(no_routemap_optimization, no_routemap_optimization_cmd, |
2882 | "no route-map optimization", | |
2883 | NO_STR | |
2884 | "route-map\n" | |
2885 | "optimization\n") | |
49a08bb0 NT |
2886 | { |
2887 | VTY_DECLVAR_CONTEXT(route_map_index, index); | |
2888 | ||
2889 | index->map->optimization_disabled = true; | |
2890 | return CMD_SUCCESS; | |
2891 | } | |
2892 | ||
2d26f094 NT |
2893 | DEFUN(routemap_optimization, routemap_optimization_cmd, |
2894 | "route-map optimization", | |
2895 | "route-map\n" | |
2896 | "optimization\n") | |
49a08bb0 NT |
2897 | { |
2898 | VTY_DECLVAR_CONTEXT(route_map_index, index); | |
2899 | ||
2900 | index->map->optimization_disabled = false; | |
2901 | return CMD_SUCCESS; | |
2902 | } | |
82f97584 | 2903 | |
1fa30509 DS |
2904 | static void clear_route_map_helper(struct route_map *map) |
2905 | { | |
2906 | struct route_map_index *index; | |
2907 | ||
2908 | map->applied_clear = map->applied; | |
2909 | for (index = map->head; index; index = index->next) | |
2910 | index->applied_clear = index->applied; | |
2911 | } | |
2912 | ||
2913 | DEFUN (rmap_clear_counters, | |
2914 | rmap_clear_counters_cmd, | |
2915 | "clear route-map counters [WORD]", | |
2916 | CLEAR_STR | |
2917 | "route-map information\n" | |
2918 | "counters associated with the specified route-map\n" | |
2919 | "route-map name\n") | |
2920 | { | |
2921 | int idx_word = 2; | |
2922 | struct route_map *map; | |
2923 | ||
2924 | const char *name = (argc == 3 ) ? argv[idx_word]->arg : NULL; | |
2925 | ||
2926 | if (name) { | |
2927 | map = route_map_lookup_by_name(name); | |
2928 | ||
2929 | if (map) | |
2930 | clear_route_map_helper(map); | |
2931 | else { | |
2932 | vty_out(vty, "%s: 'route-map %s' not found\n", | |
2933 | frr_protonameinst, name); | |
2934 | return CMD_SUCCESS; | |
2935 | } | |
2936 | } else { | |
2937 | for (map = route_map_master.head; map; map = map->next) | |
2938 | clear_route_map_helper(map); | |
2939 | } | |
2940 | ||
2941 | return CMD_SUCCESS; | |
2942 | ||
2943 | } | |
5510e83b | 2944 | |
6d2729e3 | 2945 | DEFUN (rmap_show_name, |
5510e83b | 2946 | rmap_show_name_cmd, |
7514fb77 | 2947 | "show route-map [WORD]", |
5510e83b | 2948 | SHOW_STR |
2949 | "route-map information\n" | |
2950 | "route-map name\n") | |
2951 | { | |
d62a17ae | 2952 | int idx_word = 2; |
2953 | const char *name = (argc == 3) ? argv[idx_word]->arg : NULL; | |
2954 | return vty_show_route_map(vty, name); | |
5510e83b | 2955 | } |
2956 | ||
4a2a09d0 | 2957 | DEFUN (rmap_show_unused, |
2958 | rmap_show_unused_cmd, | |
2959 | "show route-map-unused", | |
2960 | SHOW_STR | |
2961 | "unused route-map information\n") | |
2962 | { | |
2963 | return vty_show_unused_route_map(vty); | |
2964 | } | |
2965 | ||
e3ab8170 AD |
2966 | DEFUN (debug_rmap, |
2967 | debug_rmap_cmd, | |
2968 | "debug route-map", | |
2969 | DEBUG_STR | |
2970 | "Debug option set for route-maps\n") | |
2971 | { | |
2972 | rmap_debug = true; | |
2973 | return CMD_SUCCESS; | |
2974 | } | |
2975 | ||
2976 | DEFUN (no_debug_rmap, | |
2977 | no_debug_rmap_cmd, | |
2978 | "no debug route-map", | |
2979 | NO_STR | |
2980 | DEBUG_STR | |
2981 | "Debug option set for route-maps\n") | |
2982 | { | |
2983 | rmap_debug = false; | |
2984 | return CMD_SUCCESS; | |
2985 | } | |
2986 | ||
2987 | /* Debug node. */ | |
612c2c15 | 2988 | static int rmap_config_write_debug(struct vty *vty); |
62b346ee | 2989 | static struct cmd_node rmap_debug_node = { |
f4b8291f | 2990 | .name = "route-map debug", |
62b346ee DL |
2991 | .node = RMAP_DEBUG_NODE, |
2992 | .prompt = "", | |
612c2c15 | 2993 | .config_write = rmap_config_write_debug, |
62b346ee | 2994 | }; |
e3ab8170 | 2995 | |
718e3744 | 2996 | /* Configuration write function. */ |
e3ab8170 AD |
2997 | static int rmap_config_write_debug(struct vty *vty) |
2998 | { | |
2999 | int write = 0; | |
3000 | ||
3001 | if (rmap_debug) { | |
3002 | vty_out(vty, "debug route-map\n"); | |
3003 | write++; | |
3004 | } | |
3005 | ||
3006 | return write; | |
3007 | } | |
3008 | ||
dc9ffce8 CF |
3009 | /* Common route map rules */ |
3010 | ||
d62a17ae | 3011 | void *route_map_rule_tag_compile(const char *arg) |
dc9ffce8 | 3012 | { |
d62a17ae | 3013 | unsigned long int tmp; |
3014 | char *endptr; | |
3015 | route_tag_t *tag; | |
dc9ffce8 | 3016 | |
d62a17ae | 3017 | errno = 0; |
3018 | tmp = strtoul(arg, &endptr, 0); | |
3019 | if (arg[0] == '\0' || *endptr != '\0' || errno || tmp > ROUTE_TAG_MAX) | |
3020 | return NULL; | |
dc9ffce8 | 3021 | |
d62a17ae | 3022 | tag = XMALLOC(MTYPE_ROUTE_MAP_COMPILED, sizeof(*tag)); |
3023 | *tag = tmp; | |
dc9ffce8 | 3024 | |
d62a17ae | 3025 | return tag; |
dc9ffce8 CF |
3026 | } |
3027 | ||
d62a17ae | 3028 | void route_map_rule_tag_free(void *rule) |
dc9ffce8 | 3029 | { |
d62a17ae | 3030 | XFREE(MTYPE_ROUTE_MAP_COMPILED, rule); |
dc9ffce8 CF |
3031 | } |
3032 | ||
d62a17ae | 3033 | void route_map_finish(void) |
9df78e7c | 3034 | { |
d62a17ae | 3035 | int i; |
9df78e7c | 3036 | |
d62a17ae | 3037 | vector_free(route_match_vec); |
3038 | route_match_vec = NULL; | |
3039 | vector_free(route_set_vec); | |
3040 | route_set_vec = NULL; | |
9df78e7c | 3041 | |
8619629a DS |
3042 | /* |
3043 | * All protocols are setting these to NULL | |
3044 | * by default on shutdown( route_map_finish ) | |
3045 | * Why are we making them do this work? | |
3046 | */ | |
3047 | route_map_master.add_hook = NULL; | |
3048 | route_map_master.delete_hook = NULL; | |
3049 | route_map_master.event_hook = NULL; | |
3050 | ||
d62a17ae | 3051 | /* cleanup route_map */ |
3052 | while (route_map_master.head) { | |
3053 | struct route_map *map = route_map_master.head; | |
e4694d0d | 3054 | map->to_be_processed = false; |
d62a17ae | 3055 | route_map_delete(map); |
3056 | } | |
9df78e7c | 3057 | |
d62a17ae | 3058 | for (i = 1; i < ROUTE_MAP_DEP_MAX; i++) { |
3059 | hash_free(route_map_dep_hash[i]); | |
3060 | route_map_dep_hash[i] = NULL; | |
3061 | } | |
9df78e7c | 3062 | |
d62a17ae | 3063 | hash_free(route_map_master_hash); |
3064 | route_map_master_hash = NULL; | |
9df78e7c DS |
3065 | } |
3066 | ||
4a2a09d0 | 3067 | /* Increment the use_count counter while attaching the route map */ |
3068 | void route_map_counter_increment(struct route_map *map) | |
3069 | { | |
3070 | if (map) | |
3071 | map->use_count++; | |
3072 | } | |
3073 | ||
3074 | /* Decrement the use_count counter while detaching the route map. */ | |
3075 | void route_map_counter_decrement(struct route_map *map) | |
3076 | { | |
3077 | if (map) { | |
3078 | if (map->use_count <= 0) | |
3079 | return; | |
3080 | map->use_count--; | |
3081 | } | |
3082 | } | |
3083 | ||
2d26f094 NT |
3084 | DEFUN_HIDDEN(show_route_map_pfx_tbl, show_route_map_pfx_tbl_cmd, |
3085 | "show route-map WORD prefix-table", | |
3086 | SHOW_STR | |
3087 | "route-map\n" | |
3088 | "route-map name\n" | |
3089 | "internal prefix-table\n") | |
3090 | { | |
3091 | const char *rmap_name = argv[2]->arg; | |
3092 | struct route_map *rmap = NULL; | |
3093 | struct route_table *rm_pfx_tbl4 = NULL; | |
3094 | struct route_table *rm_pfx_tbl6 = NULL; | |
3095 | struct route_node *rn = NULL, *prn = NULL; | |
3096 | struct list *rmap_index_list = NULL; | |
3097 | struct listnode *ln = NULL, *nln = NULL; | |
3098 | struct route_map_index *index = NULL; | |
3099 | struct prefix *p = NULL, *pp = NULL; | |
3100 | char buf[SU_ADDRSTRLEN], pbuf[SU_ADDRSTRLEN]; | |
3101 | uint8_t len = 54; | |
3102 | ||
3103 | vty_out(vty, "%s:\n", frr_protonameinst); | |
3104 | rmap = route_map_lookup_by_name(rmap_name); | |
3105 | if (rmap) { | |
3106 | rm_pfx_tbl4 = rmap->ipv4_prefix_table; | |
3107 | if (rm_pfx_tbl4) { | |
3108 | vty_out(vty, "\n%s%43s%s\n", "IPv4 Prefix", "", | |
3109 | "Route-map Index List"); | |
3110 | vty_out(vty, "%s%39s%s\n", "_______________", "", | |
3111 | "____________________"); | |
3112 | for (rn = route_top(rm_pfx_tbl4); rn; | |
3113 | rn = route_next(rn)) { | |
3114 | p = &rn->p; | |
3115 | ||
3116 | vty_out(vty, " %s/%d (%d)\n", | |
3117 | inet_ntop(p->family, &p->u.prefix, buf, | |
3118 | SU_ADDRSTRLEN), | |
3119 | p->prefixlen, rn->lock); | |
3120 | ||
3121 | vty_out(vty, "(P) "); | |
3122 | prn = rn->parent; | |
3123 | if (prn) { | |
3124 | pp = &prn->p; | |
3125 | vty_out(vty, "%s/%d\n", | |
3126 | inet_ntop(pp->family, | |
3127 | &pp->u.prefix, pbuf, | |
3128 | SU_ADDRSTRLEN), | |
3129 | pp->prefixlen); | |
3130 | } | |
3131 | ||
3132 | vty_out(vty, "\n"); | |
3133 | rmap_index_list = (struct list *)rn->info; | |
3134 | if (!rmap_index_list | |
3135 | || !listcount(rmap_index_list)) | |
3136 | vty_out(vty, "%*s%s\n", len, "", "-"); | |
3137 | else | |
3138 | for (ALL_LIST_ELEMENTS(rmap_index_list, | |
3139 | ln, nln, | |
3140 | index)) { | |
3141 | vty_out(vty, "%*s%s seq %d\n", | |
3142 | len, "", | |
3143 | index->map->name, | |
3144 | index->pref); | |
3145 | } | |
3146 | vty_out(vty, "\n"); | |
3147 | } | |
3148 | } | |
3149 | ||
3150 | rm_pfx_tbl6 = rmap->ipv6_prefix_table; | |
3151 | if (rm_pfx_tbl6) { | |
3152 | vty_out(vty, "\n%s%43s%s\n", "IPv6 Prefix", "", | |
3153 | "Route-map Index List"); | |
3154 | vty_out(vty, "%s%39s%s\n", "_______________", "", | |
3155 | "____________________"); | |
3156 | for (rn = route_top(rm_pfx_tbl6); rn; | |
3157 | rn = route_next(rn)) { | |
3158 | p = &rn->p; | |
3159 | ||
3160 | vty_out(vty, " %s/%d (%d)\n", | |
3161 | inet_ntop(p->family, &p->u.prefix, buf, | |
3162 | SU_ADDRSTRLEN), | |
3163 | p->prefixlen, rn->lock); | |
3164 | ||
3165 | vty_out(vty, "(P) "); | |
3166 | prn = rn->parent; | |
3167 | if (prn) { | |
3168 | pp = &prn->p; | |
3169 | vty_out(vty, "%s/%d\n", | |
3170 | inet_ntop(pp->family, | |
3171 | &pp->u.prefix, pbuf, | |
3172 | SU_ADDRSTRLEN), | |
3173 | pp->prefixlen); | |
3174 | } | |
3175 | ||
3176 | vty_out(vty, "\n"); | |
3177 | rmap_index_list = (struct list *)rn->info; | |
3178 | if (!rmap_index_list | |
3179 | || !listcount(rmap_index_list)) | |
3180 | vty_out(vty, "%*s%s\n", len, "", "-"); | |
3181 | else | |
3182 | for (ALL_LIST_ELEMENTS(rmap_index_list, | |
3183 | ln, nln, | |
3184 | index)) { | |
3185 | vty_out(vty, "%*s%s seq %d\n", | |
3186 | len, "", | |
3187 | index->map->name, | |
3188 | index->pref); | |
3189 | } | |
3190 | vty_out(vty, "\n"); | |
3191 | } | |
3192 | } | |
3193 | } | |
3194 | ||
3195 | vty_out(vty, "\n"); | |
3196 | return CMD_SUCCESS; | |
3197 | } | |
3198 | ||
718e3744 | 3199 | /* Initialization of route map vector. */ |
d62a17ae | 3200 | void route_map_init(void) |
718e3744 | 3201 | { |
d62a17ae | 3202 | int i; |
3203 | ||
3204 | /* Make vector for match and set. */ | |
3205 | route_match_vec = vector_init(1); | |
3206 | route_set_vec = vector_init(1); | |
3207 | route_map_master_hash = | |
996c9314 | 3208 | hash_create_size(8, route_map_hash_key_make, route_map_hash_cmp, |
bd74dc61 | 3209 | "Route Map Master Hash"); |
d62a17ae | 3210 | |
3211 | for (i = 1; i < ROUTE_MAP_DEP_MAX; i++) | |
996c9314 LB |
3212 | route_map_dep_hash[i] = hash_create_size( |
3213 | 8, route_map_dep_hash_make_key, route_map_dep_hash_cmp, | |
3214 | "Route Map Dep Hash"); | |
b2575bc0 | 3215 | |
e3ab8170 AD |
3216 | rmap_debug = false; |
3217 | ||
2b3e4807 | 3218 | route_map_cli_init(); |
518f0eb1 | 3219 | |
2b3e4807 | 3220 | /* Install route map top node. */ |
612c2c15 | 3221 | install_node(&rmap_debug_node); |
e3ab8170 | 3222 | |
d62a17ae | 3223 | /* Install route map commands. */ |
e3ab8170 AD |
3224 | install_element(CONFIG_NODE, &debug_rmap_cmd); |
3225 | install_element(CONFIG_NODE, &no_debug_rmap_cmd); | |
3226 | ||
d62a17ae | 3227 | /* Install show command */ |
1fa30509 DS |
3228 | install_element(ENABLE_NODE, &rmap_clear_counters_cmd); |
3229 | ||
d62a17ae | 3230 | install_element(ENABLE_NODE, &rmap_show_name_cmd); |
4a2a09d0 | 3231 | install_element(ENABLE_NODE, &rmap_show_unused_cmd); |
82f97584 | 3232 | |
e3ab8170 AD |
3233 | install_element(ENABLE_NODE, &debug_rmap_cmd); |
3234 | install_element(ENABLE_NODE, &no_debug_rmap_cmd); | |
49a08bb0 NT |
3235 | |
3236 | install_element(RMAP_NODE, &routemap_optimization_cmd); | |
3237 | install_element(RMAP_NODE, &no_routemap_optimization_cmd); | |
2d26f094 NT |
3238 | |
3239 | install_element(ENABLE_NODE, &show_route_map_pfx_tbl_cmd); | |
718e3744 | 3240 | } |