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Commit | Line | Data |
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718e3744 | 1 | /* Route map function. |
896014f4 DL |
2 | * Copyright (C) 1998, 1999 Kunihiro Ishiguro |
3 | * | |
4 | * This file is part of GNU Zebra. | |
5 | * | |
6 | * GNU Zebra is free software; you can redistribute it and/or modify it | |
7 | * under the terms of the GNU General Public License as published by the | |
8 | * Free Software Foundation; either version 2, or (at your option) any | |
9 | * later version. | |
10 | * | |
11 | * GNU Zebra is distributed in the hope that it will be useful, but | |
12 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | * General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License along | |
17 | * with this program; see the file COPYING; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | */ | |
718e3744 | 20 | |
21 | #include <zebra.h> | |
22 | ||
23 | #include "linklist.h" | |
24 | #include "memory.h" | |
25 | #include "vector.h" | |
26 | #include "prefix.h" | |
82f97584 | 27 | #include "vty.h" |
718e3744 | 28 | #include "routemap.h" |
29 | #include "command.h" | |
fee0f4c6 | 30 | #include "log.h" |
518f0eb1 | 31 | #include "hash.h" |
b85120bc | 32 | #include "libfrr.h" |
040c7c3a | 33 | #include "lib_errors.h" |
49a08bb0 | 34 | #include "table.h" |
6b0655a2 | 35 | |
bf8d3d6a DL |
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"); | |
40 | DEFINE_MTYPE_STATIC(LIB, ROUTE_MAP_RULE_STR, "Route map rule str"); | |
41 | DEFINE_MTYPE(LIB, ROUTE_MAP_COMPILED, "Route map compiled"); | |
42 | DEFINE_MTYPE_STATIC(LIB, ROUTE_MAP_DEP, "Route map dependency"); | |
43 | DEFINE_MTYPE_STATIC(LIB, ROUTE_MAP_DEP_DATA, "Route map dependency data"); | |
4a1ab8e4 | 44 | |
96244aca DL |
45 | DEFINE_QOBJ_TYPE(route_map_index); |
46 | DEFINE_QOBJ_TYPE(route_map); | |
e80e7cce | 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 | ||
31f937fb SM |
266 | /* set sr-te color */ |
267 | void route_map_set_srte_color_hook(int (*func)(struct vty *vty, | |
268 | struct route_map_index *index, | |
269 | const char *command, | |
270 | const char *arg)) | |
271 | { | |
272 | rmap_match_set_hook.set_srte_color = func; | |
273 | } | |
274 | ||
275 | /* no set sr-te color */ | |
276 | void route_map_no_set_srte_color_hook(int (*func)(struct vty *vty, | |
277 | struct route_map_index *index, | |
278 | const char *command, | |
279 | const char *arg)) | |
280 | { | |
281 | rmap_match_set_hook.no_set_srte_color = func; | |
282 | } | |
283 | ||
82f97584 | 284 | /* set ip nexthop */ |
d62a17ae | 285 | void route_map_set_ip_nexthop_hook(int (*func)(struct vty *vty, |
286 | struct route_map_index *index, | |
287 | const char *command, | |
288 | const char *arg)) | |
82f97584 | 289 | { |
d62a17ae | 290 | rmap_match_set_hook.set_ip_nexthop = func; |
82f97584 DW |
291 | } |
292 | ||
293 | /* no set ip nexthop */ | |
d62a17ae | 294 | void route_map_no_set_ip_nexthop_hook(int (*func)(struct vty *vty, |
295 | struct route_map_index *index, | |
296 | const char *command, | |
297 | const char *arg)) | |
82f97584 | 298 | { |
d62a17ae | 299 | rmap_match_set_hook.no_set_ip_nexthop = func; |
82f97584 DW |
300 | } |
301 | ||
302 | /* set ipv6 nexthop local */ | |
d62a17ae | 303 | void route_map_set_ipv6_nexthop_local_hook( |
304 | int (*func)(struct vty *vty, struct route_map_index *index, | |
305 | const char *command, const char *arg)) | |
82f97584 | 306 | { |
d62a17ae | 307 | rmap_match_set_hook.set_ipv6_nexthop_local = func; |
82f97584 DW |
308 | } |
309 | ||
310 | /* no set ipv6 nexthop local */ | |
d62a17ae | 311 | void route_map_no_set_ipv6_nexthop_local_hook( |
312 | int (*func)(struct vty *vty, struct route_map_index *index, | |
313 | const char *command, const char *arg)) | |
82f97584 | 314 | { |
d62a17ae | 315 | rmap_match_set_hook.no_set_ipv6_nexthop_local = func; |
82f97584 DW |
316 | } |
317 | ||
318 | /* set metric */ | |
d62a17ae | 319 | void route_map_set_metric_hook(int (*func)(struct vty *vty, |
320 | struct route_map_index *index, | |
321 | const char *command, | |
322 | const char *arg)) | |
82f97584 | 323 | { |
d62a17ae | 324 | rmap_match_set_hook.set_metric = func; |
82f97584 DW |
325 | } |
326 | ||
327 | /* no set metric */ | |
d62a17ae | 328 | void route_map_no_set_metric_hook(int (*func)(struct vty *vty, |
329 | struct route_map_index *index, | |
330 | const char *command, | |
331 | const char *arg)) | |
82f97584 | 332 | { |
d62a17ae | 333 | rmap_match_set_hook.no_set_metric = func; |
82f97584 DW |
334 | } |
335 | ||
336 | /* set tag */ | |
d62a17ae | 337 | void route_map_set_tag_hook(int (*func)(struct vty *vty, |
338 | struct route_map_index *index, | |
339 | const char *command, const char *arg)) | |
82f97584 | 340 | { |
d62a17ae | 341 | rmap_match_set_hook.set_tag = func; |
82f97584 DW |
342 | } |
343 | ||
344 | /* no set tag */ | |
d62a17ae | 345 | void route_map_no_set_tag_hook(int (*func)(struct vty *vty, |
346 | struct route_map_index *index, | |
347 | const char *command, | |
348 | const char *arg)) | |
349 | { | |
350 | rmap_match_set_hook.no_set_tag = func; | |
82f97584 DW |
351 | } |
352 | ||
d62a17ae | 353 | int generic_match_add(struct vty *vty, struct route_map_index *index, |
354 | const char *command, const char *arg, | |
355 | route_map_event_t type) | |
356 | { | |
cda7187d | 357 | enum rmap_compile_rets ret; |
d62a17ae | 358 | |
e2c8d6ce | 359 | ret = route_map_add_match(index, command, arg, type); |
9ca25fed | 360 | switch (ret) { |
9ca25fed | 361 | case RMAP_RULE_MISSING: |
a162869e RZ |
362 | if (vty) |
363 | vty_out(vty, "%% [%s] Can't find rule.\n", | |
364 | frr_protonameinst); | |
365 | else | |
366 | zlog_warn("Can't find rule: %s", command); | |
9ca25fed | 367 | return CMD_WARNING_CONFIG_FAILED; |
9ca25fed | 368 | case RMAP_COMPILE_ERROR: |
a162869e RZ |
369 | if (vty) |
370 | vty_out(vty, | |
371 | "%% [%s] Argument form is unsupported or malformed.\n", | |
372 | frr_protonameinst); | |
373 | else | |
3efd0893 | 374 | zlog_warn("Argument form is unsupported or malformed: %s %s", command, arg); |
9ca25fed | 375 | return CMD_WARNING_CONFIG_FAILED; |
909f3d56 | 376 | case RMAP_COMPILE_SUCCESS: |
cda7187d DS |
377 | /* |
378 | * Nothing to do here move along | |
379 | */ | |
380 | break; | |
d62a17ae | 381 | } |
82f97584 | 382 | |
d62a17ae | 383 | return CMD_SUCCESS; |
384 | } | |
385 | ||
386 | int generic_match_delete(struct vty *vty, struct route_map_index *index, | |
387 | const char *command, const char *arg, | |
388 | route_map_event_t type) | |
389 | { | |
cda7187d | 390 | enum rmap_compile_rets ret; |
9ca25fed | 391 | int retval = CMD_SUCCESS; |
d62a17ae | 392 | char *dep_name = NULL; |
393 | const char *tmpstr; | |
394 | char *rmap_name = NULL; | |
395 | ||
396 | if (type != RMAP_EVENT_MATCH_DELETED) { | |
397 | /* ignore the mundane, the types without any dependency */ | |
398 | if (arg == NULL) { | |
399 | if ((tmpstr = route_map_get_match_arg(index, command)) | |
400 | != NULL) | |
401 | dep_name = | |
402 | XSTRDUP(MTYPE_ROUTE_MAP_RULE, tmpstr); | |
403 | } else { | |
404 | dep_name = XSTRDUP(MTYPE_ROUTE_MAP_RULE, arg); | |
405 | } | |
406 | rmap_name = XSTRDUP(MTYPE_ROUTE_MAP_NAME, index->map->name); | |
407 | } | |
408 | ||
909f3d56 | 409 | ret = route_map_delete_match(index, command, dep_name, type); |
9ca25fed DS |
410 | switch (ret) { |
411 | case RMAP_RULE_MISSING: | |
a162869e RZ |
412 | if (vty) |
413 | vty_out(vty, "%% [%s] Can't find rule.\n", | |
414 | frr_protonameinst); | |
415 | else | |
416 | zlog_warn("Can't find rule: %s", command); | |
9ca25fed DS |
417 | retval = CMD_WARNING_CONFIG_FAILED; |
418 | break; | |
419 | case RMAP_COMPILE_ERROR: | |
a162869e RZ |
420 | if (vty) |
421 | vty_out(vty, | |
422 | "%% [%s] Argument form is unsupported or malformed.\n", | |
423 | frr_protonameinst); | |
424 | else | |
3efd0893 | 425 | zlog_warn("Argument form is unsupported or malformed: %s %s", command, arg); |
9ca25fed DS |
426 | retval = CMD_WARNING_CONFIG_FAILED; |
427 | break; | |
428 | case RMAP_COMPILE_SUCCESS: | |
cda7187d DS |
429 | /* |
430 | * Nothing to do here | |
431 | */ | |
432 | break; | |
d62a17ae | 433 | } |
434 | ||
0a22ddfb QY |
435 | XFREE(MTYPE_ROUTE_MAP_RULE, dep_name); |
436 | XFREE(MTYPE_ROUTE_MAP_NAME, rmap_name); | |
d62a17ae | 437 | |
9ca25fed | 438 | return retval; |
d62a17ae | 439 | } |
440 | ||
441 | int generic_set_add(struct vty *vty, struct route_map_index *index, | |
442 | const char *command, const char *arg) | |
718e3744 | 443 | { |
cda7187d | 444 | enum rmap_compile_rets ret; |
d62a17ae | 445 | |
446 | ret = route_map_add_set(index, command, arg); | |
9ca25fed DS |
447 | switch (ret) { |
448 | case RMAP_RULE_MISSING: | |
a162869e RZ |
449 | if (vty) |
450 | vty_out(vty, "%% [%s] Can't find rule.\n", frr_protonameinst); | |
451 | else | |
452 | zlog_warn("Can't find rule: %s", command); | |
9ca25fed | 453 | return CMD_WARNING_CONFIG_FAILED; |
9ca25fed | 454 | case RMAP_COMPILE_ERROR: |
a162869e RZ |
455 | if (vty) |
456 | vty_out(vty, | |
457 | "%% [%s] Argument form is unsupported or malformed.\n", | |
458 | frr_protonameinst); | |
459 | else | |
3efd0893 | 460 | zlog_warn("Argument form is unsupported or malformed: %s %s", command, arg); |
9ca25fed | 461 | return CMD_WARNING_CONFIG_FAILED; |
9ca25fed DS |
462 | case RMAP_COMPILE_SUCCESS: |
463 | break; | |
d62a17ae | 464 | } |
9ca25fed | 465 | |
d62a17ae | 466 | return CMD_SUCCESS; |
467 | } | |
468 | ||
469 | int generic_set_delete(struct vty *vty, struct route_map_index *index, | |
470 | const char *command, const char *arg) | |
471 | { | |
cda7187d | 472 | enum rmap_compile_rets ret; |
d62a17ae | 473 | |
474 | ret = route_map_delete_set(index, command, arg); | |
9ca25fed DS |
475 | switch (ret) { |
476 | case RMAP_RULE_MISSING: | |
a162869e RZ |
477 | if (vty) |
478 | vty_out(vty, "%% [%s] Can't find rule.\n", frr_protonameinst); | |
479 | else | |
480 | zlog_warn("Can't find rule: %s", command); | |
9ca25fed | 481 | return CMD_WARNING_CONFIG_FAILED; |
9ca25fed | 482 | case RMAP_COMPILE_ERROR: |
a162869e RZ |
483 | if (vty) |
484 | vty_out(vty, | |
485 | "%% [%s] Argument form is unsupported or malformed.\n", | |
486 | frr_protonameinst); | |
487 | else | |
3efd0893 | 488 | zlog_warn("Argument form is unsupported or malformed: %s %s", command, arg); |
9ca25fed | 489 | return CMD_WARNING_CONFIG_FAILED; |
9ca25fed DS |
490 | case RMAP_COMPILE_SUCCESS: |
491 | break; | |
d62a17ae | 492 | } |
9ca25fed | 493 | |
d62a17ae | 494 | return CMD_SUCCESS; |
495 | } | |
496 | ||
497 | ||
718e3744 | 498 | /* Master list of route map. */ |
a7282663 RZ |
499 | struct route_map_list route_map_master = {NULL, NULL, NULL, NULL, NULL}; |
500 | struct hash *route_map_master_hash = NULL; | |
a6e0d253 | 501 | |
d8b87afe | 502 | static unsigned int route_map_hash_key_make(const void *p) |
a6e0d253 | 503 | { |
d62a17ae | 504 | const struct route_map *map = p; |
505 | return string_hash_make(map->name); | |
a6e0d253 DW |
506 | } |
507 | ||
74df8d6d | 508 | static bool route_map_hash_cmp(const void *p1, const void *p2) |
a6e0d253 | 509 | { |
d62a17ae | 510 | const struct route_map *map1 = p1; |
511 | const struct route_map *map2 = p2; | |
a6e0d253 | 512 | |
d62a17ae | 513 | if (map1->deleted == map2->deleted) { |
514 | if (map1->name && map2->name) { | |
515 | if (!strcmp(map1->name, map2->name)) { | |
74df8d6d | 516 | return true; |
d62a17ae | 517 | } |
518 | } else if (!map1->name && !map2->name) { | |
74df8d6d | 519 | return true; |
d62a17ae | 520 | } |
521 | } | |
a6e0d253 | 522 | |
74df8d6d | 523 | return false; |
a6e0d253 | 524 | } |
518f0eb1 | 525 | |
d62a17ae | 526 | enum route_map_upd8_type { |
527 | ROUTE_MAP_ADD = 1, | |
528 | ROUTE_MAP_DEL, | |
529 | }; | |
518f0eb1 DS |
530 | |
531 | /* all possible route-map dependency types */ | |
d62a17ae | 532 | enum route_map_dep_type { |
533 | ROUTE_MAP_DEP_RMAP = 1, | |
534 | ROUTE_MAP_DEP_CLIST, | |
535 | ROUTE_MAP_DEP_ECLIST, | |
536 | ROUTE_MAP_DEP_LCLIST, | |
537 | ROUTE_MAP_DEP_PLIST, | |
538 | ROUTE_MAP_DEP_ASPATH, | |
539 | ROUTE_MAP_DEP_FILTER, | |
540 | ROUTE_MAP_DEP_MAX, | |
541 | }; | |
542 | ||
543 | struct route_map_dep { | |
544 | char *dep_name; | |
545 | struct hash *dep_rmap_hash; | |
546 | struct hash *this_hash; /* ptr to the hash structure this is part of */ | |
518f0eb1 | 547 | }; |
718e3744 | 548 | |
e2c8d6ce NT |
549 | struct route_map_dep_data { |
550 | /* Route-map name. | |
551 | */ | |
552 | char *rname; | |
553 | /* Count of number of sequences of this | |
554 | * route-map that depend on the same entity. | |
555 | */ | |
556 | uint16_t refcnt; | |
557 | }; | |
558 | ||
518f0eb1 | 559 | /* Hashes maintaining dependency between various sublists used by route maps */ |
1b3e9a21 | 560 | static struct hash *route_map_dep_hash[ROUTE_MAP_DEP_MAX]; |
518f0eb1 | 561 | |
d8b87afe | 562 | static unsigned int route_map_dep_hash_make_key(const void *p); |
d62a17ae | 563 | static void route_map_clear_all_references(char *rmap_name); |
564 | static void route_map_rule_delete(struct route_map_rule_list *, | |
565 | struct route_map_rule *); | |
e3ab8170 | 566 | static bool rmap_debug; |
718e3744 | 567 | |
718e3744 | 568 | /* New route map allocation. Please note route map's name must be |
569 | specified. */ | |
d62a17ae | 570 | static struct route_map *route_map_new(const char *name) |
718e3744 | 571 | { |
d62a17ae | 572 | struct route_map *new; |
718e3744 | 573 | |
d62a17ae | 574 | new = XCALLOC(MTYPE_ROUTE_MAP, sizeof(struct route_map)); |
575 | new->name = XSTRDUP(MTYPE_ROUTE_MAP_NAME, name); | |
576 | QOBJ_REG(new, route_map); | |
577 | return new; | |
718e3744 | 578 | } |
579 | ||
580 | /* Add new name to route_map. */ | |
d62a17ae | 581 | static struct route_map *route_map_add(const char *name) |
582 | { | |
583 | struct route_map *map; | |
584 | struct route_map_list *list; | |
585 | ||
586 | map = route_map_new(name); | |
587 | list = &route_map_master; | |
588 | ||
589 | /* Add map to the hash */ | |
590 | hash_get(route_map_master_hash, map, hash_alloc_intern); | |
591 | ||
592 | /* Add new entry to the head of the list to match how it is added in the | |
593 | * hash table. This is to ensure that if the same route-map has been | |
594 | * created more than once and then marked for deletion (which can happen | |
595 | * if prior deletions haven't completed as BGP hasn't yet done the | |
596 | * route-map processing), the order of the entities is the same in both | |
597 | * the list and the hash table. Otherwise, since there is nothing to | |
598 | * distinguish between the two entries, the wrong entry could get freed. | |
599 | * TODO: This needs to be re-examined to handle it better - e.g., revive | |
600 | * a deleted entry if the route-map is created again. | |
601 | */ | |
602 | map->prev = NULL; | |
603 | map->next = list->head; | |
604 | if (list->head) | |
605 | list->head->prev = map; | |
606 | list->head = map; | |
607 | if (!list->tail) | |
608 | list->tail = map; | |
609 | ||
610 | /* Execute hook. */ | |
611 | if (route_map_master.add_hook) { | |
612 | (*route_map_master.add_hook)(name); | |
613 | route_map_notify_dependencies(name, RMAP_EVENT_CALL_ADDED); | |
614 | } | |
e3ab8170 | 615 | |
49a08bb0 NT |
616 | if (!map->ipv4_prefix_table) |
617 | map->ipv4_prefix_table = route_table_init(); | |
618 | ||
619 | if (!map->ipv6_prefix_table) | |
620 | map->ipv6_prefix_table = route_table_init(); | |
621 | ||
e3ab8170 AD |
622 | if (rmap_debug) |
623 | zlog_debug("Add route-map %s", name); | |
d62a17ae | 624 | return map; |
718e3744 | 625 | } |
626 | ||
518f0eb1 DS |
627 | /* this is supposed to be called post processing by |
628 | * the delete hook function. Don't invoke delete_hook | |
629 | * again in this routine. | |
630 | */ | |
d62a17ae | 631 | static void route_map_free_map(struct route_map *map) |
718e3744 | 632 | { |
d62a17ae | 633 | struct route_map_list *list; |
634 | struct route_map_index *index; | |
518f0eb1 | 635 | |
d62a17ae | 636 | if (map == NULL) |
637 | return; | |
a31ff449 | 638 | |
d62a17ae | 639 | while ((index = map->head) != NULL) |
640 | route_map_index_delete(index, 0); | |
718e3744 | 641 | |
e3ab8170 AD |
642 | if (rmap_debug) |
643 | zlog_debug("Deleting route-map %s", map->name); | |
644 | ||
d62a17ae | 645 | list = &route_map_master; |
718e3744 | 646 | |
d62a17ae | 647 | QOBJ_UNREG(map); |
e80e7cce | 648 | |
d62a17ae | 649 | if (map->next) |
650 | map->next->prev = map->prev; | |
651 | else | |
652 | list->tail = map->prev; | |
718e3744 | 653 | |
d62a17ae | 654 | if (map->prev) |
655 | map->prev->next = map->next; | |
656 | else | |
657 | list->head = map->next; | |
718e3744 | 658 | |
d62a17ae | 659 | hash_release(route_map_master_hash, map); |
660 | XFREE(MTYPE_ROUTE_MAP_NAME, map->name); | |
661 | XFREE(MTYPE_ROUTE_MAP, map); | |
518f0eb1 | 662 | } |
718e3744 | 663 | |
518f0eb1 | 664 | /* Route map delete from list. */ |
a7282663 | 665 | void route_map_delete(struct route_map *map) |
518f0eb1 | 666 | { |
d62a17ae | 667 | struct route_map_index *index; |
668 | char *name; | |
518f0eb1 | 669 | |
d62a17ae | 670 | while ((index = map->head) != NULL) |
671 | route_map_index_delete(index, 0); | |
518f0eb1 | 672 | |
d62a17ae | 673 | name = map->name; |
674 | map->head = NULL; | |
518f0eb1 | 675 | |
d62a17ae | 676 | /* Clear all dependencies */ |
677 | route_map_clear_all_references(name); | |
e4694d0d | 678 | map->deleted = true; |
d62a17ae | 679 | /* Execute deletion hook. */ |
680 | if (route_map_master.delete_hook) { | |
681 | (*route_map_master.delete_hook)(name); | |
682 | route_map_notify_dependencies(name, RMAP_EVENT_CALL_DELETED); | |
683 | } | |
718e3744 | 684 | |
d62a17ae | 685 | if (!map->to_be_processed) { |
686 | route_map_free_map(map); | |
687 | } | |
718e3744 | 688 | } |
689 | ||
690 | /* Lookup route map by route map name string. */ | |
d62a17ae | 691 | struct route_map *route_map_lookup_by_name(const char *name) |
718e3744 | 692 | { |
d62a17ae | 693 | struct route_map *map; |
694 | struct route_map tmp_map; | |
718e3744 | 695 | |
d62a17ae | 696 | if (!name) |
697 | return NULL; | |
518f0eb1 | 698 | |
d62a17ae | 699 | // map.deleted is 0 via memset |
700 | memset(&tmp_map, 0, sizeof(struct route_map)); | |
701 | tmp_map.name = XSTRDUP(MTYPE_ROUTE_MAP_NAME, name); | |
702 | map = hash_lookup(route_map_master_hash, &tmp_map); | |
703 | XFREE(MTYPE_ROUTE_MAP_NAME, tmp_map.name); | |
704 | return map; | |
718e3744 | 705 | } |
706 | ||
1de27621 DA |
707 | /* Simple helper to warn if route-map does not exist. */ |
708 | struct route_map *route_map_lookup_warn_noexist(struct vty *vty, const char *name) | |
709 | { | |
710 | struct route_map *route_map = route_map_lookup_by_name(name); | |
711 | ||
712 | if (!route_map) | |
713 | if (vty_shell_serv(vty)) | |
714 | vty_out(vty, "The route-map '%s' does not exist.\n", name); | |
715 | ||
716 | return route_map; | |
717 | } | |
718 | ||
7096e938 | 719 | int route_map_mark_updated(const char *name) |
518f0eb1 | 720 | { |
d62a17ae | 721 | struct route_map *map; |
722 | int ret = -1; | |
723 | struct route_map tmp_map; | |
518f0eb1 | 724 | |
d62a17ae | 725 | if (!name) |
726 | return (ret); | |
a6e0d253 | 727 | |
d62a17ae | 728 | map = route_map_lookup_by_name(name); |
a6e0d253 | 729 | |
e4694d0d DS |
730 | /* If we did not find the routemap with deleted=false try again |
731 | * with deleted=true | |
d62a17ae | 732 | */ |
733 | if (!map) { | |
734 | memset(&tmp_map, 0, sizeof(struct route_map)); | |
735 | tmp_map.name = XSTRDUP(MTYPE_ROUTE_MAP_NAME, name); | |
e4694d0d | 736 | tmp_map.deleted = true; |
d62a17ae | 737 | map = hash_lookup(route_map_master_hash, &tmp_map); |
738 | XFREE(MTYPE_ROUTE_MAP_NAME, tmp_map.name); | |
739 | } | |
a6e0d253 | 740 | |
d62a17ae | 741 | if (map) { |
e4694d0d | 742 | map->to_be_processed = true; |
d62a17ae | 743 | ret = 0; |
744 | } | |
518f0eb1 | 745 | |
d62a17ae | 746 | return (ret); |
518f0eb1 DS |
747 | } |
748 | ||
69f02720 | 749 | static int route_map_clear_updated(struct route_map *map) |
518f0eb1 | 750 | { |
d62a17ae | 751 | int ret = -1; |
518f0eb1 | 752 | |
d62a17ae | 753 | if (map) { |
e4694d0d | 754 | map->to_be_processed = false; |
d62a17ae | 755 | if (map->deleted) |
756 | route_map_free_map(map); | |
757 | } | |
518f0eb1 | 758 | |
d62a17ae | 759 | return (ret); |
518f0eb1 DS |
760 | } |
761 | ||
718e3744 | 762 | /* Lookup route map. If there isn't route map create one and return |
763 | it. */ | |
a7282663 | 764 | struct route_map *route_map_get(const char *name) |
718e3744 | 765 | { |
d62a17ae | 766 | struct route_map *map; |
718e3744 | 767 | |
d62a17ae | 768 | map = route_map_lookup_by_name(name); |
769 | if (map == NULL) | |
770 | map = route_map_add(name); | |
518f0eb1 | 771 | |
d62a17ae | 772 | return map; |
718e3744 | 773 | } |
774 | ||
46a69f10 | 775 | void route_map_walk_update_list(void (*route_map_update_fn)(char *name)) |
518f0eb1 | 776 | { |
d62a17ae | 777 | struct route_map *node; |
778 | struct route_map *nnode = NULL; | |
518f0eb1 | 779 | |
d62a17ae | 780 | for (node = route_map_master.head; node; node = nnode) { |
781 | if (node->to_be_processed) { | |
782 | /* DD: Should we add any thread yield code here */ | |
783 | route_map_update_fn(node->name); | |
784 | nnode = node->next; | |
785 | route_map_clear_updated(node); | |
786 | } else | |
787 | nnode = node->next; | |
518f0eb1 | 788 | } |
518f0eb1 DS |
789 | } |
790 | ||
718e3744 | 791 | /* Return route map's type string. */ |
d62a17ae | 792 | static const char *route_map_type_str(enum route_map_type type) |
793 | { | |
794 | switch (type) { | |
795 | case RMAP_PERMIT: | |
796 | return "permit"; | |
d62a17ae | 797 | case RMAP_DENY: |
798 | return "deny"; | |
ba1707ca | 799 | case RMAP_ANY: |
d62a17ae | 800 | return ""; |
d62a17ae | 801 | } |
4255dbe9 DS |
802 | |
803 | return ""; | |
718e3744 | 804 | } |
805 | ||
b68885f9 | 806 | static const char *route_map_cmd_result_str(enum route_map_cmd_result_t res) |
e3ab8170 AD |
807 | { |
808 | switch (res) { | |
809 | case RMAP_MATCH: | |
810 | return "match"; | |
e3ab8170 AD |
811 | case RMAP_NOMATCH: |
812 | return "no match"; | |
b68885f9 LK |
813 | case RMAP_NOOP: |
814 | return "noop"; | |
e3ab8170 AD |
815 | case RMAP_ERROR: |
816 | return "error"; | |
817 | case RMAP_OKAY: | |
818 | return "okay"; | |
819 | } | |
820 | ||
821 | return "invalid"; | |
822 | } | |
823 | ||
b68885f9 LK |
824 | static const char *route_map_result_str(route_map_result_t res) |
825 | { | |
826 | switch (res) { | |
827 | case RMAP_DENYMATCH: | |
828 | return "deny"; | |
829 | case RMAP_PERMITMATCH: | |
830 | return "permit"; | |
831 | } | |
832 | ||
833 | return "invalid"; | |
834 | } | |
835 | ||
5510e83b | 836 | /* show route-map */ |
d62a17ae | 837 | static void vty_show_route_map_entry(struct vty *vty, struct route_map *map) |
838 | { | |
839 | struct route_map_index *index; | |
840 | struct route_map_rule *rule; | |
841 | ||
b34232cf | 842 | vty_out(vty, "route-map: %s Invoked: %" PRIu64 " Optimization: %s Processed Change: %s\n", |
49a08bb0 | 843 | map->name, map->applied - map->applied_clear, |
b34232cf DS |
844 | map->optimization_disabled ? "disabled" : "enabled", |
845 | map->to_be_processed ? "true" : "false"); | |
d62a17ae | 846 | |
847 | for (index = map->head; index; index = index->next) { | |
279b0607 DS |
848 | vty_out(vty, " %s, sequence %d Invoked %" PRIu64 "\n", |
849 | route_map_type_str(index->type), index->pref, | |
1fa30509 | 850 | index->applied - index->applied_clear); |
d62a17ae | 851 | |
852 | /* Description */ | |
853 | if (index->description) | |
854 | vty_out(vty, " Description:\n %s\n", | |
855 | index->description); | |
856 | ||
857 | /* Match clauses */ | |
858 | vty_out(vty, " Match clauses:\n"); | |
859 | for (rule = index->match_list.head; rule; rule = rule->next) | |
860 | vty_out(vty, " %s %s\n", rule->cmd->str, | |
861 | rule->rule_str); | |
862 | ||
863 | vty_out(vty, " Set clauses:\n"); | |
864 | for (rule = index->set_list.head; rule; rule = rule->next) | |
865 | vty_out(vty, " %s %s\n", rule->cmd->str, | |
866 | rule->rule_str); | |
867 | ||
868 | /* Call clause */ | |
869 | vty_out(vty, " Call clause:\n"); | |
870 | if (index->nextrm) | |
871 | vty_out(vty, " Call %s\n", index->nextrm); | |
872 | ||
873 | /* Exit Policy */ | |
874 | vty_out(vty, " Action:\n"); | |
875 | if (index->exitpolicy == RMAP_GOTO) | |
876 | vty_out(vty, " Goto %d\n", index->nextpref); | |
877 | else if (index->exitpolicy == RMAP_NEXT) | |
878 | vty_out(vty, " Continue to next entry\n"); | |
879 | else if (index->exitpolicy == RMAP_EXIT) | |
880 | vty_out(vty, " Exit routemap\n"); | |
881 | } | |
882 | } | |
883 | ||
78b1bb5f QY |
884 | static int sort_route_map(const void **map1, const void **map2) |
885 | { | |
886 | const struct route_map *m1 = *map1; | |
887 | const struct route_map *m2 = *map2; | |
888 | ||
889 | return strcmp(m1->name, m2->name); | |
890 | } | |
891 | ||
d62a17ae | 892 | static int vty_show_route_map(struct vty *vty, const char *name) |
893 | { | |
894 | struct route_map *map; | |
895 | ||
279b0607 DS |
896 | vty_out(vty, "%s:\n", frr_protonameinst); |
897 | ||
d62a17ae | 898 | if (name) { |
899 | map = route_map_lookup_by_name(name); | |
900 | ||
901 | if (map) { | |
902 | vty_show_route_map_entry(vty, map); | |
903 | return CMD_SUCCESS; | |
904 | } else { | |
905 | vty_out(vty, "%s: 'route-map %s' not found\n", | |
906 | frr_protonameinst, name); | |
907 | return CMD_SUCCESS; | |
908 | } | |
909 | } else { | |
78b1bb5f QY |
910 | |
911 | struct list *maplist = list_new(); | |
912 | struct listnode *ln; | |
913 | ||
d62a17ae | 914 | for (map = route_map_master.head; map; map = map->next) |
78b1bb5f QY |
915 | listnode_add(maplist, map); |
916 | ||
917 | list_sort(maplist, sort_route_map); | |
918 | ||
919 | for (ALL_LIST_ELEMENTS_RO(maplist, ln, map)) | |
920 | vty_show_route_map_entry(vty, map); | |
921 | ||
6a154c88 | 922 | list_delete(&maplist); |
d62a17ae | 923 | } |
924 | return CMD_SUCCESS; | |
5510e83b | 925 | } |
926 | ||
4a2a09d0 | 927 | /* Unused route map details */ |
928 | static int vty_show_unused_route_map(struct vty *vty) | |
929 | { | |
930 | struct list *maplist = list_new(); | |
931 | struct listnode *ln; | |
932 | struct route_map *map; | |
933 | ||
934 | for (map = route_map_master.head; map; map = map->next) { | |
935 | /* If use_count is zero, No protocol is using this routemap. | |
936 | * so adding to the list. | |
937 | */ | |
938 | if (!map->use_count) | |
939 | listnode_add(maplist, map); | |
940 | } | |
941 | ||
942 | if (maplist->count > 0) { | |
943 | vty_out(vty, "\n%s:\n", frr_protonameinst); | |
944 | list_sort(maplist, sort_route_map); | |
945 | ||
946 | for (ALL_LIST_ELEMENTS_RO(maplist, ln, map)) | |
947 | vty_show_route_map_entry(vty, map); | |
948 | } else { | |
949 | vty_out(vty, "\n%s: None\n", frr_protonameinst); | |
950 | } | |
951 | ||
952 | list_delete(&maplist); | |
953 | return CMD_SUCCESS; | |
954 | } | |
5510e83b | 955 | |
718e3744 | 956 | /* New route map allocation. Please note route map's name must be |
957 | specified. */ | |
d62a17ae | 958 | static struct route_map_index *route_map_index_new(void) |
718e3744 | 959 | { |
d62a17ae | 960 | struct route_map_index *new; |
718e3744 | 961 | |
d62a17ae | 962 | new = XCALLOC(MTYPE_ROUTE_MAP_INDEX, sizeof(struct route_map_index)); |
963 | new->exitpolicy = RMAP_EXIT; /* Default to Cisco-style */ | |
54a35ff4 | 964 | TAILQ_INIT(&new->rhclist); |
d62a17ae | 965 | QOBJ_REG(new, route_map_index); |
966 | return new; | |
718e3744 | 967 | } |
968 | ||
969 | /* Free route map index. */ | |
a7282663 | 970 | void route_map_index_delete(struct route_map_index *index, int notify) |
718e3744 | 971 | { |
1c4eca64 | 972 | struct routemap_hook_context *rhc; |
d62a17ae | 973 | struct route_map_rule *rule; |
718e3744 | 974 | |
d62a17ae | 975 | QOBJ_UNREG(index); |
e80e7cce | 976 | |
e3ab8170 AD |
977 | if (rmap_debug) |
978 | zlog_debug("Deleting route-map %s sequence %d", | |
979 | index->map->name, index->pref); | |
980 | ||
f0951335 RZ |
981 | /* Free route map entry description. */ |
982 | XFREE(MTYPE_TMP, index->description); | |
983 | ||
54a35ff4 | 984 | /* Free route map northbound hook contexts. */ |
1c4eca64 RZ |
985 | while ((rhc = TAILQ_FIRST(&index->rhclist)) != NULL) |
986 | routemap_hook_context_free(rhc); | |
54a35ff4 | 987 | |
d62a17ae | 988 | /* Free route match. */ |
49a08bb0 | 989 | while ((rule = index->match_list.head) != NULL) { |
819a23f9 | 990 | if (IS_RULE_IPv4_PREFIX_LIST(rule->cmd->str)) |
2d26f094 NT |
991 | route_map_pfx_tbl_update(RMAP_EVENT_PLIST_DELETED, |
992 | index, AFI_IP, rule->rule_str); | |
819a23f9 | 993 | else if (IS_RULE_IPv6_PREFIX_LIST(rule->cmd->str)) |
2d26f094 NT |
994 | route_map_pfx_tbl_update(RMAP_EVENT_PLIST_DELETED, |
995 | index, AFI_IP6, | |
996 | rule->rule_str); | |
49a08bb0 | 997 | |
d62a17ae | 998 | route_map_rule_delete(&index->match_list, rule); |
49a08bb0 | 999 | } |
718e3744 | 1000 | |
d62a17ae | 1001 | /* Free route set. */ |
1002 | while ((rule = index->set_list.head) != NULL) | |
1003 | route_map_rule_delete(&index->set_list, rule); | |
718e3744 | 1004 | |
d62a17ae | 1005 | /* Remove index from route map list. */ |
1006 | if (index->next) | |
1007 | index->next->prev = index->prev; | |
1008 | else | |
1009 | index->map->tail = index->prev; | |
718e3744 | 1010 | |
d62a17ae | 1011 | if (index->prev) |
1012 | index->prev->next = index->next; | |
1013 | else | |
1014 | index->map->head = index->next; | |
718e3744 | 1015 | |
d62a17ae | 1016 | /* Free 'char *nextrm' if not NULL */ |
0a22ddfb | 1017 | XFREE(MTYPE_ROUTE_MAP_NAME, index->nextrm); |
fee0f4c6 | 1018 | |
2d26f094 | 1019 | route_map_pfx_tbl_update(RMAP_EVENT_INDEX_DELETED, index, 0, NULL); |
49a08bb0 | 1020 | |
d62a17ae | 1021 | /* Execute event hook. */ |
1022 | if (route_map_master.event_hook && notify) { | |
097b5973 | 1023 | (*route_map_master.event_hook)(index->map->name); |
d62a17ae | 1024 | route_map_notify_dependencies(index->map->name, |
1025 | RMAP_EVENT_CALL_ADDED); | |
1026 | } | |
1027 | XFREE(MTYPE_ROUTE_MAP_INDEX, index); | |
718e3744 | 1028 | } |
1029 | ||
1030 | /* Lookup index from route map. */ | |
d62a17ae | 1031 | static struct route_map_index *route_map_index_lookup(struct route_map *map, |
1032 | enum route_map_type type, | |
1033 | int pref) | |
718e3744 | 1034 | { |
d62a17ae | 1035 | struct route_map_index *index; |
718e3744 | 1036 | |
d62a17ae | 1037 | for (index = map->head; index; index = index->next) |
1038 | if ((index->type == type || type == RMAP_ANY) | |
1039 | && index->pref == pref) | |
1040 | return index; | |
1041 | return NULL; | |
718e3744 | 1042 | } |
1043 | ||
1044 | /* Add new index to route map. */ | |
8cc4198f | 1045 | static struct route_map_index * |
d62a17ae | 1046 | route_map_index_add(struct route_map *map, enum route_map_type type, int pref) |
1047 | { | |
1048 | struct route_map_index *index; | |
1049 | struct route_map_index *point; | |
1050 | ||
1051 | /* Allocate new route map inex. */ | |
1052 | index = route_map_index_new(); | |
1053 | index->map = map; | |
1054 | index->type = type; | |
1055 | index->pref = pref; | |
1056 | ||
1057 | /* Compare preference. */ | |
1058 | for (point = map->head; point; point = point->next) | |
1059 | if (point->pref >= pref) | |
1060 | break; | |
1061 | ||
1062 | if (map->head == NULL) { | |
1063 | map->head = map->tail = index; | |
1064 | } else if (point == NULL) { | |
1065 | index->prev = map->tail; | |
1066 | map->tail->next = index; | |
1067 | map->tail = index; | |
1068 | } else if (point == map->head) { | |
1069 | index->next = map->head; | |
1070 | map->head->prev = index; | |
1071 | map->head = index; | |
1072 | } else { | |
1073 | index->next = point; | |
1074 | index->prev = point->prev; | |
1075 | if (point->prev) | |
1076 | point->prev->next = index; | |
1077 | point->prev = index; | |
1078 | } | |
1079 | ||
2d26f094 | 1080 | route_map_pfx_tbl_update(RMAP_EVENT_INDEX_ADDED, index, 0, NULL); |
49a08bb0 | 1081 | |
d62a17ae | 1082 | /* Execute event hook. */ |
1083 | if (route_map_master.event_hook) { | |
097b5973 | 1084 | (*route_map_master.event_hook)(map->name); |
d62a17ae | 1085 | route_map_notify_dependencies(map->name, RMAP_EVENT_CALL_ADDED); |
1086 | } | |
e3ab8170 AD |
1087 | |
1088 | if (rmap_debug) | |
1089 | zlog_debug("Route-map %s add sequence %d, type: %s", | |
1090 | map->name, pref, route_map_type_str(type)); | |
1091 | ||
d62a17ae | 1092 | return index; |
718e3744 | 1093 | } |
1094 | ||
1095 | /* Get route map index. */ | |
a7282663 | 1096 | struct route_map_index * |
d62a17ae | 1097 | route_map_index_get(struct route_map *map, enum route_map_type type, int pref) |
718e3744 | 1098 | { |
d62a17ae | 1099 | struct route_map_index *index; |
718e3744 | 1100 | |
d62a17ae | 1101 | index = route_map_index_lookup(map, RMAP_ANY, pref); |
1102 | if (index && index->type != type) { | |
1103 | /* Delete index from route map. */ | |
1104 | route_map_index_delete(index, 1); | |
1105 | index = NULL; | |
1106 | } | |
1107 | if (index == NULL) | |
1108 | index = route_map_index_add(map, type, pref); | |
1109 | return index; | |
718e3744 | 1110 | } |
1111 | ||
1112 | /* New route map rule */ | |
d62a17ae | 1113 | static struct route_map_rule *route_map_rule_new(void) |
718e3744 | 1114 | { |
d62a17ae | 1115 | struct route_map_rule *new; |
718e3744 | 1116 | |
d62a17ae | 1117 | new = XCALLOC(MTYPE_ROUTE_MAP_RULE, sizeof(struct route_map_rule)); |
1118 | return new; | |
718e3744 | 1119 | } |
6b0655a2 | 1120 | |
718e3744 | 1121 | /* Install rule command to the match list. */ |
364deb04 | 1122 | void route_map_install_match(const struct route_map_rule_cmd *cmd) |
718e3744 | 1123 | { |
364deb04 | 1124 | vector_set(route_match_vec, (void *)cmd); |
718e3744 | 1125 | } |
1126 | ||
1127 | /* Install rule command to the set list. */ | |
364deb04 | 1128 | void route_map_install_set(const struct route_map_rule_cmd *cmd) |
718e3744 | 1129 | { |
364deb04 | 1130 | vector_set(route_set_vec, (void *)cmd); |
718e3744 | 1131 | } |
1132 | ||
1133 | /* Lookup rule command from match list. */ | |
364deb04 | 1134 | static const struct route_map_rule_cmd *route_map_lookup_match(const char *name) |
718e3744 | 1135 | { |
d62a17ae | 1136 | unsigned int i; |
364deb04 | 1137 | const struct route_map_rule_cmd *rule; |
718e3744 | 1138 | |
d62a17ae | 1139 | for (i = 0; i < vector_active(route_match_vec); i++) |
1140 | if ((rule = vector_slot(route_match_vec, i)) != NULL) | |
1141 | if (strcmp(rule->str, name) == 0) | |
1142 | return rule; | |
1143 | return NULL; | |
718e3744 | 1144 | } |
1145 | ||
1146 | /* Lookup rule command from set list. */ | |
364deb04 | 1147 | static const struct route_map_rule_cmd *route_map_lookup_set(const char *name) |
718e3744 | 1148 | { |
d62a17ae | 1149 | unsigned int i; |
364deb04 | 1150 | const struct route_map_rule_cmd *rule; |
718e3744 | 1151 | |
d62a17ae | 1152 | for (i = 0; i < vector_active(route_set_vec); i++) |
1153 | if ((rule = vector_slot(route_set_vec, i)) != NULL) | |
1154 | if (strcmp(rule->str, name) == 0) | |
1155 | return rule; | |
1156 | return NULL; | |
718e3744 | 1157 | } |
1158 | ||
1159 | /* Add match and set rule to rule list. */ | |
d62a17ae | 1160 | static void route_map_rule_add(struct route_map_rule_list *list, |
1161 | struct route_map_rule *rule) | |
718e3744 | 1162 | { |
d62a17ae | 1163 | rule->next = NULL; |
1164 | rule->prev = list->tail; | |
1165 | if (list->tail) | |
1166 | list->tail->next = rule; | |
1167 | else | |
1168 | list->head = rule; | |
1169 | list->tail = rule; | |
718e3744 | 1170 | } |
1171 | ||
1172 | /* Delete rule from rule list. */ | |
d62a17ae | 1173 | static void route_map_rule_delete(struct route_map_rule_list *list, |
1174 | struct route_map_rule *rule) | |
718e3744 | 1175 | { |
d62a17ae | 1176 | if (rule->cmd->func_free) |
1177 | (*rule->cmd->func_free)(rule->value); | |
718e3744 | 1178 | |
0a22ddfb | 1179 | XFREE(MTYPE_ROUTE_MAP_RULE_STR, rule->rule_str); |
718e3744 | 1180 | |
d62a17ae | 1181 | if (rule->next) |
1182 | rule->next->prev = rule->prev; | |
1183 | else | |
1184 | list->tail = rule->prev; | |
1185 | if (rule->prev) | |
1186 | rule->prev->next = rule->next; | |
1187 | else | |
1188 | list->head = rule->next; | |
718e3744 | 1189 | |
d62a17ae | 1190 | XFREE(MTYPE_ROUTE_MAP_RULE, rule); |
718e3744 | 1191 | } |
1192 | ||
1193 | /* strcmp wrapper function which don't crush even argument is NULL. */ | |
d62a17ae | 1194 | static int rulecmp(const char *dst, const char *src) |
1195 | { | |
1196 | if (dst == NULL) { | |
1197 | if (src == NULL) | |
1198 | return 0; | |
1199 | else | |
1200 | return 1; | |
1201 | } else { | |
1202 | if (src == NULL) | |
1203 | return 1; | |
1204 | else | |
1205 | return strcmp(dst, src); | |
1206 | } | |
718e3744 | 1207 | return 1; |
718e3744 | 1208 | } |
1209 | ||
518f0eb1 DS |
1210 | /* Use this to return the already specified argument for this match. This is |
1211 | * useful to get the specified argument with a route map match rule when the | |
1212 | * rule is being deleted and the argument is not provided. | |
1213 | */ | |
d62a17ae | 1214 | const char *route_map_get_match_arg(struct route_map_index *index, |
1215 | const char *match_name) | |
518f0eb1 | 1216 | { |
d62a17ae | 1217 | struct route_map_rule *rule; |
364deb04 | 1218 | const struct route_map_rule_cmd *cmd; |
518f0eb1 | 1219 | |
d62a17ae | 1220 | /* First lookup rule for add match statement. */ |
1221 | cmd = route_map_lookup_match(match_name); | |
1222 | if (cmd == NULL) | |
1223 | return NULL; | |
518f0eb1 | 1224 | |
d62a17ae | 1225 | for (rule = index->match_list.head; rule; rule = rule->next) |
1226 | if (rule->cmd == cmd && rule->rule_str != NULL) | |
1227 | return (rule->rule_str); | |
518f0eb1 | 1228 | |
95f7965d | 1229 | return NULL; |
518f0eb1 DS |
1230 | } |
1231 | ||
e2c8d6ce NT |
1232 | static route_map_event_t get_route_map_delete_event(route_map_event_t type) |
1233 | { | |
1234 | switch (type) { | |
1235 | case RMAP_EVENT_CALL_ADDED: | |
1236 | return RMAP_EVENT_CALL_DELETED; | |
1237 | case RMAP_EVENT_PLIST_ADDED: | |
1238 | return RMAP_EVENT_PLIST_DELETED; | |
1239 | case RMAP_EVENT_CLIST_ADDED: | |
1240 | return RMAP_EVENT_CLIST_DELETED; | |
1241 | case RMAP_EVENT_ECLIST_ADDED: | |
1242 | return RMAP_EVENT_ECLIST_DELETED; | |
1243 | case RMAP_EVENT_LLIST_ADDED: | |
1244 | return RMAP_EVENT_LLIST_DELETED; | |
1245 | case RMAP_EVENT_ASLIST_ADDED: | |
1246 | return RMAP_EVENT_ASLIST_DELETED; | |
1247 | case RMAP_EVENT_FILTER_ADDED: | |
1248 | return RMAP_EVENT_FILTER_DELETED; | |
1249 | case RMAP_EVENT_SET_ADDED: | |
1250 | case RMAP_EVENT_SET_DELETED: | |
1251 | case RMAP_EVENT_SET_REPLACED: | |
1252 | case RMAP_EVENT_MATCH_ADDED: | |
1253 | case RMAP_EVENT_MATCH_DELETED: | |
1254 | case RMAP_EVENT_MATCH_REPLACED: | |
1255 | case RMAP_EVENT_INDEX_ADDED: | |
1256 | case RMAP_EVENT_INDEX_DELETED: | |
1257 | case RMAP_EVENT_CALL_DELETED: | |
1258 | case RMAP_EVENT_PLIST_DELETED: | |
1259 | case RMAP_EVENT_CLIST_DELETED: | |
1260 | case RMAP_EVENT_ECLIST_DELETED: | |
1261 | case RMAP_EVENT_LLIST_DELETED: | |
1262 | case RMAP_EVENT_ASLIST_DELETED: | |
1263 | case RMAP_EVENT_FILTER_DELETED: | |
1264 | /* This function returns the appropriate 'deleted' event type | |
1265 | * for every 'added' event type passed to this function. | |
1266 | * This is done only for named entities used in the | |
1267 | * route-map match commands. | |
1268 | * This function is not to be invoked for any of the other event | |
1269 | * types. | |
1270 | */ | |
1271 | assert(0); | |
1272 | } | |
f232dd29 DS |
1273 | |
1274 | assert(0); | |
1275 | /* | |
1276 | * Return to make c happy but if we get here something has gone | |
1277 | * terribly terribly wrong, so yes this return makes no sense. | |
1278 | */ | |
1279 | return RMAP_EVENT_CALL_ADDED; | |
e2c8d6ce NT |
1280 | } |
1281 | ||
718e3744 | 1282 | /* Add match statement to route map. */ |
cda7187d DS |
1283 | enum rmap_compile_rets route_map_add_match(struct route_map_index *index, |
1284 | const char *match_name, | |
1285 | const char *match_arg, | |
1286 | route_map_event_t type) | |
d62a17ae | 1287 | { |
1288 | struct route_map_rule *rule; | |
1289 | struct route_map_rule *next; | |
364deb04 | 1290 | const struct route_map_rule_cmd *cmd; |
d62a17ae | 1291 | void *compile; |
e2c8d6ce | 1292 | int8_t delete_rmap_event_type = 0; |
909f3d56 | 1293 | const char *rule_key; |
d62a17ae | 1294 | |
1295 | /* First lookup rule for add match statement. */ | |
1296 | cmd = route_map_lookup_match(match_name); | |
1297 | if (cmd == NULL) | |
1298 | return RMAP_RULE_MISSING; | |
1299 | ||
1300 | /* Next call compile function for this match statement. */ | |
1301 | if (cmd->func_compile) { | |
1302 | compile = (*cmd->func_compile)(match_arg); | |
1303 | if (compile == NULL) | |
1304 | return RMAP_COMPILE_ERROR; | |
1305 | } else | |
1306 | compile = NULL; | |
909f3d56 | 1307 | /* use the compiled results if applicable */ |
1308 | if (compile && cmd->func_get_rmap_rule_key) | |
1309 | rule_key = (*cmd->func_get_rmap_rule_key) | |
1310 | (compile); | |
1311 | else | |
1312 | rule_key = match_arg; | |
d62a17ae | 1313 | |
1314 | /* If argument is completely same ignore it. */ | |
1315 | for (rule = index->match_list.head; rule; rule = next) { | |
1316 | next = rule->next; | |
1317 | if (rule->cmd == cmd) { | |
6c3247bd NT |
1318 | /* If the configured route-map match rule is exactly |
1319 | * the same as the existing configuration then, | |
1320 | * ignore the duplicate configuration. | |
1321 | */ | |
1322 | if (strcmp(match_arg, rule->rule_str) == 0) { | |
1323 | if (cmd->func_free) | |
1324 | (*cmd->func_free)(compile); | |
e2c8d6ce | 1325 | |
909f3d56 | 1326 | return RMAP_COMPILE_SUCCESS; |
e2c8d6ce NT |
1327 | } |
1328 | ||
49a08bb0 NT |
1329 | /* If IPv4 or IPv6 prefix-list match criteria |
1330 | * has been delete to the route-map index, update | |
1331 | * the route-map's prefix table. | |
1332 | */ | |
819a23f9 | 1333 | if (IS_RULE_IPv4_PREFIX_LIST(match_name)) |
49a08bb0 | 1334 | route_map_pfx_tbl_update( |
2d26f094 NT |
1335 | RMAP_EVENT_PLIST_DELETED, index, AFI_IP, |
1336 | rule->rule_str); | |
819a23f9 | 1337 | else if (IS_RULE_IPv6_PREFIX_LIST(match_name)) |
49a08bb0 | 1338 | route_map_pfx_tbl_update( |
2d26f094 NT |
1339 | RMAP_EVENT_PLIST_DELETED, index, |
1340 | AFI_IP6, rule->rule_str); | |
49a08bb0 | 1341 | |
e2c8d6ce NT |
1342 | /* Remove the dependency of the route-map on the rule |
1343 | * that is being replaced. | |
1344 | */ | |
1345 | if (type >= RMAP_EVENT_CALL_ADDED) { | |
1346 | delete_rmap_event_type = | |
1347 | get_route_map_delete_event(type); | |
1348 | route_map_upd8_dependency( | |
1349 | delete_rmap_event_type, | |
02e7a369 | 1350 | rule->rule_str, |
e2c8d6ce | 1351 | index->map->name); |
6c3247bd NT |
1352 | } |
1353 | ||
d62a17ae | 1354 | route_map_rule_delete(&index->match_list, rule); |
d62a17ae | 1355 | } |
718e3744 | 1356 | } |
718e3744 | 1357 | |
d62a17ae | 1358 | /* Add new route map match rule. */ |
1359 | rule = route_map_rule_new(); | |
1360 | rule->cmd = cmd; | |
1361 | rule->value = compile; | |
1362 | if (match_arg) | |
1363 | rule->rule_str = XSTRDUP(MTYPE_ROUTE_MAP_RULE_STR, match_arg); | |
1364 | else | |
1365 | rule->rule_str = NULL; | |
718e3744 | 1366 | |
d62a17ae | 1367 | /* Add new route match rule to linked list. */ |
1368 | route_map_rule_add(&index->match_list, rule); | |
718e3744 | 1369 | |
49a08bb0 NT |
1370 | /* If IPv4 or IPv6 prefix-list match criteria |
1371 | * has been added to the route-map index, update | |
1372 | * the route-map's prefix table. | |
1373 | */ | |
819a23f9 | 1374 | if (IS_RULE_IPv4_PREFIX_LIST(match_name)) { |
2d26f094 | 1375 | route_map_pfx_tbl_update(RMAP_EVENT_PLIST_ADDED, index, AFI_IP, |
49a08bb0 | 1376 | match_arg); |
819a23f9 | 1377 | } else if (IS_RULE_IPv6_PREFIX_LIST(match_name)) { |
2d26f094 | 1378 | route_map_pfx_tbl_update(RMAP_EVENT_PLIST_ADDED, index, AFI_IP6, |
49a08bb0 | 1379 | match_arg); |
49a08bb0 NT |
1380 | } |
1381 | ||
d62a17ae | 1382 | /* Execute event hook. */ |
1383 | if (route_map_master.event_hook) { | |
097b5973 | 1384 | (*route_map_master.event_hook)(index->map->name); |
d62a17ae | 1385 | route_map_notify_dependencies(index->map->name, |
1386 | RMAP_EVENT_CALL_ADDED); | |
1387 | } | |
909f3d56 | 1388 | if (type != RMAP_EVENT_MATCH_ADDED) |
1389 | route_map_upd8_dependency(type, rule_key, index->map->name); | |
718e3744 | 1390 | |
9ca25fed | 1391 | return RMAP_COMPILE_SUCCESS; |
718e3744 | 1392 | } |
1393 | ||
1394 | /* Delete specified route match rule. */ | |
cda7187d DS |
1395 | enum rmap_compile_rets route_map_delete_match(struct route_map_index *index, |
1396 | const char *match_name, | |
909f3d56 | 1397 | const char *match_arg, |
1398 | route_map_event_t type) | |
d62a17ae | 1399 | { |
1400 | struct route_map_rule *rule; | |
364deb04 | 1401 | const struct route_map_rule_cmd *cmd; |
909f3d56 | 1402 | const char *rule_key; |
d62a17ae | 1403 | |
1404 | cmd = route_map_lookup_match(match_name); | |
1405 | if (cmd == NULL) | |
e5b4b49e | 1406 | return RMAP_RULE_MISSING; |
d62a17ae | 1407 | |
1408 | for (rule = index->match_list.head; rule; rule = rule->next) | |
9d303b37 DL |
1409 | if (rule->cmd == cmd && (rulecmp(rule->rule_str, match_arg) == 0 |
1410 | || match_arg == NULL)) { | |
d62a17ae | 1411 | /* Execute event hook. */ |
1412 | if (route_map_master.event_hook) { | |
097b5973 | 1413 | (*route_map_master.event_hook)(index->map->name); |
d62a17ae | 1414 | route_map_notify_dependencies( |
1415 | index->map->name, | |
1416 | RMAP_EVENT_CALL_ADDED); | |
1417 | } | |
909f3d56 | 1418 | if (cmd->func_get_rmap_rule_key) |
1419 | rule_key = (*cmd->func_get_rmap_rule_key) | |
1420 | (rule->value); | |
1421 | else | |
1422 | rule_key = match_arg; | |
1423 | ||
1424 | if (type != RMAP_EVENT_MATCH_DELETED && rule_key) | |
1425 | route_map_upd8_dependency(type, rule_key, | |
1426 | index->map->name); | |
1427 | ||
1428 | route_map_rule_delete(&index->match_list, rule); | |
49a08bb0 NT |
1429 | |
1430 | /* If IPv4 or IPv6 prefix-list match criteria | |
3eca8715 | 1431 | * has been delete from the route-map index, update |
49a08bb0 NT |
1432 | * the route-map's prefix table. |
1433 | */ | |
819a23f9 | 1434 | if (IS_RULE_IPv4_PREFIX_LIST(match_name)) { |
49a08bb0 | 1435 | route_map_pfx_tbl_update( |
2d26f094 NT |
1436 | RMAP_EVENT_PLIST_DELETED, index, AFI_IP, |
1437 | match_arg); | |
819a23f9 | 1438 | } else if (IS_RULE_IPv6_PREFIX_LIST(match_name)) { |
49a08bb0 | 1439 | route_map_pfx_tbl_update( |
2d26f094 NT |
1440 | RMAP_EVENT_PLIST_DELETED, index, |
1441 | AFI_IP6, match_arg); | |
49a08bb0 NT |
1442 | } |
1443 | ||
e5b4b49e | 1444 | return RMAP_COMPILE_SUCCESS; |
d62a17ae | 1445 | } |
1446 | /* Can't find matched rule. */ | |
e5b4b49e | 1447 | return RMAP_RULE_MISSING; |
718e3744 | 1448 | } |
1449 | ||
1450 | /* Add route-map set statement to the route map. */ | |
cda7187d DS |
1451 | enum rmap_compile_rets route_map_add_set(struct route_map_index *index, |
1452 | const char *set_name, | |
1453 | const char *set_arg) | |
d62a17ae | 1454 | { |
1455 | struct route_map_rule *rule; | |
1456 | struct route_map_rule *next; | |
364deb04 | 1457 | const struct route_map_rule_cmd *cmd; |
d62a17ae | 1458 | void *compile; |
d62a17ae | 1459 | |
1460 | cmd = route_map_lookup_set(set_name); | |
1461 | if (cmd == NULL) | |
1462 | return RMAP_RULE_MISSING; | |
1463 | ||
1464 | /* Next call compile function for this match statement. */ | |
1465 | if (cmd->func_compile) { | |
1466 | compile = (*cmd->func_compile)(set_arg); | |
1467 | if (compile == NULL) | |
1468 | return RMAP_COMPILE_ERROR; | |
1469 | } else | |
1470 | compile = NULL; | |
1471 | ||
1472 | /* Add by WJL. if old set command of same kind exist, delete it first | |
1473 | to ensure only one set command of same kind exist under a | |
1474 | route_map_index. */ | |
1475 | for (rule = index->set_list.head; rule; rule = next) { | |
1476 | next = rule->next; | |
4255dbe9 | 1477 | if (rule->cmd == cmd) |
d62a17ae | 1478 | route_map_rule_delete(&index->set_list, rule); |
d62a17ae | 1479 | } |
1480 | ||
1481 | /* Add new route map match rule. */ | |
1482 | rule = route_map_rule_new(); | |
1483 | rule->cmd = cmd; | |
1484 | rule->value = compile; | |
1485 | if (set_arg) | |
1486 | rule->rule_str = XSTRDUP(MTYPE_ROUTE_MAP_RULE_STR, set_arg); | |
1487 | else | |
1488 | rule->rule_str = NULL; | |
1489 | ||
1490 | /* Add new route match rule to linked list. */ | |
1491 | route_map_rule_add(&index->set_list, rule); | |
1492 | ||
1493 | /* Execute event hook. */ | |
1494 | if (route_map_master.event_hook) { | |
097b5973 | 1495 | (*route_map_master.event_hook)(index->map->name); |
d62a17ae | 1496 | route_map_notify_dependencies(index->map->name, |
1497 | RMAP_EVENT_CALL_ADDED); | |
718e3744 | 1498 | } |
9ca25fed | 1499 | return RMAP_COMPILE_SUCCESS; |
718e3744 | 1500 | } |
1501 | ||
1502 | /* Delete route map set rule. */ | |
cda7187d DS |
1503 | enum rmap_compile_rets route_map_delete_set(struct route_map_index *index, |
1504 | const char *set_name, | |
1505 | const char *set_arg) | |
d62a17ae | 1506 | { |
1507 | struct route_map_rule *rule; | |
364deb04 | 1508 | const struct route_map_rule_cmd *cmd; |
d62a17ae | 1509 | |
1510 | cmd = route_map_lookup_set(set_name); | |
1511 | if (cmd == NULL) | |
e5b4b49e | 1512 | return RMAP_RULE_MISSING; |
d62a17ae | 1513 | |
1514 | for (rule = index->set_list.head; rule; rule = rule->next) | |
9d303b37 DL |
1515 | if ((rule->cmd == cmd) && (rulecmp(rule->rule_str, set_arg) == 0 |
1516 | || set_arg == NULL)) { | |
d62a17ae | 1517 | route_map_rule_delete(&index->set_list, rule); |
1518 | /* Execute event hook. */ | |
1519 | if (route_map_master.event_hook) { | |
097b5973 | 1520 | (*route_map_master.event_hook)(index->map->name); |
d62a17ae | 1521 | route_map_notify_dependencies( |
1522 | index->map->name, | |
1523 | RMAP_EVENT_CALL_ADDED); | |
1524 | } | |
e5b4b49e | 1525 | return RMAP_COMPILE_SUCCESS; |
d62a17ae | 1526 | } |
1527 | /* Can't find matched rule. */ | |
e5b4b49e | 1528 | return RMAP_RULE_MISSING; |
718e3744 | 1529 | } |
1530 | ||
b68885f9 LK |
1531 | static enum route_map_cmd_result_t |
1532 | route_map_apply_match(struct route_map_rule_list *match_list, | |
1782514f | 1533 | const struct prefix *prefix, void *object) |
b68885f9 LK |
1534 | { |
1535 | enum route_map_cmd_result_t ret = RMAP_NOMATCH; | |
1536 | struct route_map_rule *match; | |
1537 | bool is_matched = false; | |
1538 | ||
1539 | ||
1540 | /* Check all match rule and if there is no match rule, go to the | |
1541 | set statement. */ | |
1542 | if (!match_list->head) | |
1543 | ret = RMAP_MATCH; | |
1544 | else { | |
1545 | for (match = match_list->head; match; match = match->next) { | |
1546 | /* | |
1547 | * Try each match statement. If any match does not | |
1548 | * return RMAP_MATCH or RMAP_NOOP, return. | |
1549 | * Otherwise continue on to next match statement. | |
1550 | * All match statements must MATCH for | |
1551 | * end-result to be a match. | |
1552 | * (Exception:If match stmts result in a mix of | |
1553 | * MATCH/NOOP, then also end-result is a match) | |
1554 | * If all result in NOOP, end-result is NOOP. | |
1555 | */ | |
1556 | ret = (*match->cmd->func_apply)(match->value, prefix, | |
1782514f | 1557 | object); |
b68885f9 LK |
1558 | |
1559 | /* | |
1560 | * If the consolidated result of func_apply is: | |
1561 | * ----------------------------------------------- | |
1562 | * | MATCH | NOMATCH | NOOP | Final Result | | |
1563 | * ------------------------------------------------ | |
1564 | * | yes | yes | yes | NOMATCH | | |
1565 | * | no | no | yes | NOOP | | |
1566 | * | yes | no | yes | MATCH | | |
1567 | * | no | yes | yes | NOMATCH | | |
1568 | * |----------------------------------------------- | |
1569 | * | |
1570 | * Traditionally, all rules within route-map | |
1571 | * should match for it to MATCH. | |
1572 | * If there are noops within the route-map rules, | |
1573 | * it follows the above matrix. | |
1574 | * | |
1575 | * Eg: route-map rm1 permit 10 | |
1576 | * match rule1 | |
1577 | * match rule2 | |
1578 | * match rule3 | |
1579 | * .... | |
1580 | * route-map rm1 permit 20 | |
1581 | * match ruleX | |
1582 | * match ruleY | |
1583 | * ... | |
1584 | */ | |
1585 | ||
1586 | switch (ret) { | |
1587 | case RMAP_MATCH: | |
1588 | is_matched = true; | |
1589 | break; | |
1590 | ||
1591 | case RMAP_NOMATCH: | |
1592 | return ret; | |
1593 | ||
1594 | case RMAP_NOOP: | |
1595 | if (is_matched) | |
1596 | ret = RMAP_MATCH; | |
1597 | break; | |
1598 | ||
1599 | default: | |
1600 | break; | |
1601 | } | |
1602 | ||
1603 | } | |
1604 | } | |
1605 | return ret; | |
1606 | } | |
1607 | ||
2d26f094 NT |
1608 | static struct list *route_map_get_index_list(struct route_node **rn, |
1609 | const struct prefix *prefix, | |
1610 | struct route_table *table) | |
819a23f9 NT |
1611 | { |
1612 | struct route_node *tmp_rn = NULL; | |
1613 | ||
1614 | if (!(*rn)) { | |
1615 | *rn = route_node_match(table, prefix); | |
1616 | ||
1617 | if (!(*rn)) | |
1618 | return NULL; | |
1619 | ||
1620 | if ((*rn)->info) | |
1621 | return (struct list *)((*rn)->info); | |
1622 | ||
1623 | /* If rn->info is NULL, get the parent. | |
1624 | * Store the rn in tmp_rn and unlock it later. | |
1625 | */ | |
1626 | tmp_rn = *rn; | |
1627 | } | |
1628 | ||
1629 | do { | |
1630 | *rn = (*rn)->parent; | |
1631 | if (tmp_rn) | |
1632 | route_unlock_node(tmp_rn); | |
1633 | ||
1634 | if (!(*rn)) | |
1635 | break; | |
1636 | ||
1637 | if ((*rn)->info) { | |
1638 | route_lock_node(*rn); | |
1639 | return (struct list *)((*rn)->info); | |
1640 | } | |
1641 | } while (!(*rn)->info); | |
1642 | ||
1643 | return NULL; | |
1644 | } | |
1645 | ||
1646 | /* | |
1647 | * This function returns the route-map index that best matches the prefix. | |
1648 | */ | |
1782514f DS |
1649 | static struct route_map_index *route_map_get_index(struct route_map *map, |
1650 | const struct prefix *prefix, | |
1651 | void *object, | |
1652 | uint8_t *match_ret) | |
819a23f9 NT |
1653 | { |
1654 | int ret = 0; | |
1655 | struct list *candidate_rmap_list = NULL; | |
1656 | struct route_node *rn = NULL; | |
1657 | struct listnode *ln = NULL, *nn = NULL; | |
1658 | struct route_map_index *index = NULL, *best_index = NULL; | |
1659 | struct route_map_index *head_index = NULL; | |
1660 | struct route_table *table = NULL; | |
1661 | unsigned char family = prefix->family; | |
1662 | ||
1663 | if (family == AF_INET) | |
1664 | table = map->ipv4_prefix_table; | |
1665 | else | |
1666 | table = map->ipv6_prefix_table; | |
1667 | ||
1668 | if (!table) | |
1669 | return NULL; | |
1670 | ||
1671 | do { | |
2d26f094 NT |
1672 | candidate_rmap_list = |
1673 | route_map_get_index_list(&rn, prefix, table); | |
819a23f9 NT |
1674 | if (!rn) |
1675 | break; | |
1676 | ||
1677 | /* If the index at the head of the list is of seq higher | |
1678 | * than that in best_index, ignore the list and get the | |
1679 | * parent node's list. | |
1680 | */ | |
2d26f094 NT |
1681 | head_index = (struct route_map_index *)(listgetdata( |
1682 | listhead(candidate_rmap_list))); | |
1683 | if (best_index && head_index | |
1684 | && (best_index->pref < head_index->pref)) { | |
819a23f9 NT |
1685 | route_unlock_node(rn); |
1686 | continue; | |
1687 | } | |
1688 | ||
1689 | for (ALL_LIST_ELEMENTS(candidate_rmap_list, ln, nn, index)) { | |
1690 | /* If the index is of seq higher than that in | |
1691 | * best_index, ignore the list and get the parent | |
1692 | * node's list. | |
1693 | */ | |
1694 | if (best_index && (best_index->pref < index->pref)) | |
1695 | break; | |
1696 | ||
2d26f094 | 1697 | ret = route_map_apply_match(&index->match_list, prefix, |
1782514f | 1698 | object); |
819a23f9 NT |
1699 | |
1700 | if (ret == RMAP_MATCH) { | |
1701 | *match_ret = ret; | |
1702 | best_index = index; | |
1703 | break; | |
1704 | } else if (ret == RMAP_NOOP) { | |
1705 | /* | |
1706 | * If match_ret is denymatch, even if we see | |
1707 | * more noops, we retain this return value and | |
1708 | * return this eventually if there are no | |
1709 | * matches. | |
1410dd3f NT |
1710 | * If a best match route-map index already |
1711 | * exists, do not reset the match_ret. | |
819a23f9 | 1712 | */ |
1410dd3f | 1713 | if (!best_index && (*match_ret != RMAP_NOMATCH)) |
819a23f9 NT |
1714 | *match_ret = ret; |
1715 | } else { | |
1716 | /* | |
1717 | * ret is RMAP_NOMATCH. | |
1410dd3f NT |
1718 | * If a best match route-map index already |
1719 | * exists, do not reset the match_ret. | |
819a23f9 | 1720 | */ |
1410dd3f NT |
1721 | if (!best_index) |
1722 | *match_ret = ret; | |
819a23f9 NT |
1723 | } |
1724 | } | |
1725 | ||
1726 | route_unlock_node(rn); | |
1727 | ||
1728 | } while (rn); | |
1729 | ||
1730 | return best_index; | |
1731 | } | |
1732 | ||
2d26f094 NT |
1733 | static int route_map_candidate_list_cmp(struct route_map_index *idx1, |
1734 | struct route_map_index *idx2) | |
49a08bb0 NT |
1735 | { |
1736 | if (!idx1) | |
1737 | return -1; | |
1738 | if (!idx2) | |
1739 | return 1; | |
1740 | ||
1741 | return (idx1->pref - idx2->pref); | |
1742 | } | |
1743 | ||
1744 | /* | |
1745 | * This function adds the route-map index into the default route's | |
1746 | * route-node in the route-map's IPv4/IPv6 prefix-table. | |
1747 | */ | |
2d26f094 NT |
1748 | static void route_map_pfx_table_add_default(afi_t afi, |
1749 | struct route_map_index *index) | |
49a08bb0 NT |
1750 | { |
1751 | struct route_node *rn = NULL; | |
1752 | struct list *rmap_candidate_list = NULL; | |
1753 | struct prefix p; | |
1754 | bool updated_rn = false; | |
1755 | struct route_table *table = NULL; | |
1756 | ||
1757 | memset(&p, 0, sizeof(p)); | |
1758 | p.family = afi2family(afi); | |
1759 | p.prefixlen = 0; | |
1760 | ||
1761 | if (p.family == AF_INET) { | |
1762 | table = index->map->ipv4_prefix_table; | |
1763 | if (!table) | |
1764 | index->map->ipv4_prefix_table = route_table_init(); | |
1765 | ||
1766 | table = index->map->ipv4_prefix_table; | |
1767 | } else { | |
1768 | table = index->map->ipv6_prefix_table; | |
1769 | if (!table) | |
1770 | index->map->ipv6_prefix_table = route_table_init(); | |
1771 | ||
1772 | table = index->map->ipv6_prefix_table; | |
1773 | } | |
1774 | ||
1775 | /* Add default route to table */ | |
1776 | rn = route_node_get(table, &p); | |
1777 | ||
1778 | if (!rn) | |
1779 | return; | |
1780 | ||
1781 | if (!rn->info) { | |
1782 | rmap_candidate_list = list_new(); | |
1783 | rmap_candidate_list->cmp = | |
1784 | (int (*)(void *, void *))route_map_candidate_list_cmp; | |
1785 | rn->info = rmap_candidate_list; | |
1786 | } else { | |
1787 | rmap_candidate_list = (struct list *)rn->info; | |
1788 | updated_rn = true; | |
1789 | } | |
1790 | ||
1791 | listnode_add_sort_nodup(rmap_candidate_list, index); | |
1792 | if (updated_rn) | |
1793 | route_unlock_node(rn); | |
1794 | } | |
1795 | ||
1796 | /* | |
1797 | * This function removes the route-map index from the default route's | |
1798 | * route-node in the route-map's IPv4/IPv6 prefix-table. | |
1799 | */ | |
2d26f094 NT |
1800 | static void route_map_pfx_table_del_default(afi_t afi, |
1801 | struct route_map_index *index) | |
49a08bb0 NT |
1802 | { |
1803 | struct route_node *rn = NULL; | |
1804 | struct list *rmap_candidate_list = NULL; | |
1805 | struct prefix p; | |
1806 | struct route_table *table = NULL; | |
1807 | ||
1808 | memset(&p, 0, sizeof(p)); | |
1809 | p.family = afi2family(afi); | |
1810 | p.prefixlen = 0; | |
1811 | ||
1812 | if (p.family == AF_INET) | |
1813 | table = index->map->ipv4_prefix_table; | |
1814 | else | |
1815 | table = index->map->ipv6_prefix_table; | |
1816 | ||
1817 | /* Remove RMAP index from default route in table */ | |
1818 | rn = route_node_lookup(table, &p); | |
1819 | if (!rn || !rn->info) | |
1820 | return; | |
1821 | ||
1822 | rmap_candidate_list = (struct list *)rn->info; | |
1823 | ||
1824 | listnode_delete(rmap_candidate_list, index); | |
1825 | ||
1826 | if (listcount(rmap_candidate_list) == 0) { | |
1827 | list_delete(&rmap_candidate_list); | |
1828 | rn->info = NULL; | |
1829 | route_unlock_node(rn); | |
1830 | } | |
1831 | route_unlock_node(rn); | |
1832 | } | |
1833 | ||
1834 | /* | |
1835 | * This function adds the route-map index to the route-node for | |
1836 | * the prefix-entry in the route-map's IPv4/IPv6 prefix-table. | |
1837 | */ | |
2d26f094 NT |
1838 | static void route_map_pfx_table_add(struct route_table *table, |
1839 | struct route_map_index *index, | |
1840 | struct prefix_list_entry *pentry) | |
49a08bb0 NT |
1841 | { |
1842 | struct route_node *rn = NULL; | |
1843 | struct list *rmap_candidate_list = NULL; | |
1844 | bool updated_rn = false; | |
1845 | ||
1846 | rn = route_node_get(table, &pentry->prefix); | |
1847 | if (!rn) | |
1848 | return; | |
1849 | ||
1850 | if (!rn->info) { | |
1851 | rmap_candidate_list = list_new(); | |
1852 | rmap_candidate_list->cmp = | |
1853 | (int (*)(void *, void *))route_map_candidate_list_cmp; | |
1854 | rn->info = rmap_candidate_list; | |
1855 | } else { | |
1856 | rmap_candidate_list = (struct list *)rn->info; | |
1857 | updated_rn = true; | |
1858 | } | |
1859 | ||
1860 | listnode_add_sort_nodup(rmap_candidate_list, index); | |
1861 | if (updated_rn) | |
1862 | route_unlock_node(rn); | |
1863 | } | |
1864 | ||
1865 | /* | |
1866 | * This function removes the route-map index from the route-node for | |
1867 | * the prefix-entry in the route-map's IPv4/IPv6 prefix-table. | |
1868 | */ | |
2d26f094 NT |
1869 | static void route_map_pfx_table_del(struct route_table *table, |
1870 | struct route_map_index *index, | |
1871 | struct prefix_list_entry *pentry) | |
49a08bb0 NT |
1872 | { |
1873 | struct route_node *rn = NULL; | |
1874 | struct list *rmap_candidate_list = NULL; | |
1875 | ||
1876 | rn = route_node_lookup(table, &pentry->prefix); | |
1877 | if (!rn || !rn->info) | |
1878 | return; | |
1879 | ||
1880 | rmap_candidate_list = (struct list *)rn->info; | |
1881 | ||
1882 | listnode_delete(rmap_candidate_list, index); | |
1883 | ||
1884 | if (listcount(rmap_candidate_list) == 0) { | |
1885 | list_delete(&rmap_candidate_list); | |
1886 | rn->info = NULL; | |
1887 | route_unlock_node(rn); | |
1888 | } | |
1889 | route_unlock_node(rn); | |
1890 | } | |
1891 | ||
3eca8715 NT |
1892 | /* This function checks for the presence of an IPv4 prefix-list |
1893 | * match rule in the given route-map index. | |
49a08bb0 | 1894 | */ |
3eca8715 | 1895 | static bool route_map_is_ip_pfx_list_rule_present(struct route_map_index *index) |
49a08bb0 NT |
1896 | { |
1897 | struct route_map_rule_list *match_list = NULL; | |
1898 | struct route_map_rule *rule = NULL; | |
1899 | ||
1900 | match_list = &index->match_list; | |
1901 | for (rule = match_list->head; rule; rule = rule->next) | |
3eca8715 | 1902 | if (IS_RULE_IPv4_PREFIX_LIST(rule->cmd->str)) |
49a08bb0 NT |
1903 | return true; |
1904 | ||
1905 | return false; | |
1906 | } | |
1907 | ||
3eca8715 NT |
1908 | /* This function checks for the presence of an IPv6 prefix-list |
1909 | * match rule in the given route-map index. | |
49a08bb0 | 1910 | */ |
3eca8715 NT |
1911 | static bool |
1912 | route_map_is_ipv6_pfx_list_rule_present(struct route_map_index *index) | |
49a08bb0 NT |
1913 | { |
1914 | struct route_map_rule_list *match_list = NULL; | |
1915 | struct route_map_rule *rule = NULL; | |
1916 | ||
1917 | match_list = &index->match_list; | |
1918 | for (rule = match_list->head; rule; rule = rule->next) | |
3eca8715 | 1919 | if (IS_RULE_IPv6_PREFIX_LIST(rule->cmd->str)) |
49a08bb0 NT |
1920 | return true; |
1921 | ||
1922 | return false; | |
1923 | } | |
1924 | ||
1925 | /* This function does the following: | |
1926 | * 1) If plist_name is not present, search for a IPv4 or IPv6 prefix-list | |
1927 | * match clause (based on the afi passed to this foo) and get the | |
1928 | * prefix-list name. | |
1929 | * 2) Look up the prefix-list using the name. | |
1930 | * 3) If the prefix-list is not found then, add the index to the IPv4/IPv6 | |
1931 | * default-route's node in the trie (based on the afi passed to this foo). | |
1932 | * 4) If the prefix-list is found then, remove the index from the IPv4/IPv6 | |
1933 | * default-route's node in the trie (based on the afi passed to this foo). | |
1934 | * 5) If a prefix-entry is passed then, create a route-node for this entry and | |
1935 | * add this index to the route-node. | |
1936 | * 6) If prefix-entry is not passed then, for every prefix-entry in the | |
1937 | * prefix-list, create a route-node for this entry and | |
1938 | * add this index to the route-node. | |
1939 | */ | |
2d26f094 NT |
1940 | static void route_map_add_plist_entries(afi_t afi, |
1941 | struct route_map_index *index, | |
1942 | const char *plist_name, | |
1943 | struct prefix_list_entry *entry) | |
49a08bb0 NT |
1944 | { |
1945 | struct route_map_rule_list *match_list = NULL; | |
1946 | struct route_map_rule *match = NULL; | |
1947 | struct prefix_list *plist = NULL; | |
1948 | struct prefix_list_entry *pentry = NULL; | |
1949 | bool plist_rule_is_present = false; | |
1950 | ||
1951 | if (!plist_name) { | |
1952 | match_list = &index->match_list; | |
1953 | ||
1954 | for (match = match_list->head; match; match = match->next) { | |
819a23f9 | 1955 | if (afi == AFI_IP) { |
2d26f094 | 1956 | if (IS_RULE_IPv4_PREFIX_LIST(match->cmd->str)) { |
819a23f9 NT |
1957 | plist_rule_is_present = true; |
1958 | break; | |
2d26f094 | 1959 | } |
819a23f9 | 1960 | } else { |
2d26f094 | 1961 | if (IS_RULE_IPv6_PREFIX_LIST(match->cmd->str)) { |
819a23f9 NT |
1962 | plist_rule_is_present = true; |
1963 | break; | |
2d26f094 | 1964 | } |
49a08bb0 NT |
1965 | } |
1966 | } | |
1967 | ||
1968 | if (plist_rule_is_present) | |
1969 | plist = prefix_list_lookup(afi, match->rule_str); | |
1970 | } else { | |
1971 | plist = prefix_list_lookup(afi, plist_name); | |
1972 | } | |
1973 | ||
1974 | if (!plist) { | |
1975 | route_map_pfx_table_add_default(afi, index); | |
1976 | return; | |
1977 | } | |
1978 | ||
1979 | route_map_pfx_table_del_default(afi, index); | |
1980 | ||
1981 | if (entry) { | |
1982 | if (afi == AFI_IP) { | |
2d26f094 NT |
1983 | route_map_pfx_table_add(index->map->ipv4_prefix_table, |
1984 | index, entry); | |
49a08bb0 | 1985 | } else { |
2d26f094 NT |
1986 | route_map_pfx_table_add(index->map->ipv6_prefix_table, |
1987 | index, entry); | |
49a08bb0 NT |
1988 | } |
1989 | } else { | |
1990 | for (pentry = plist->head; pentry; pentry = pentry->next) { | |
1991 | if (afi == AFI_IP) { | |
1992 | route_map_pfx_table_add( | |
2d26f094 NT |
1993 | index->map->ipv4_prefix_table, index, |
1994 | pentry); | |
49a08bb0 NT |
1995 | } else { |
1996 | route_map_pfx_table_add( | |
2d26f094 NT |
1997 | index->map->ipv6_prefix_table, index, |
1998 | pentry); | |
49a08bb0 NT |
1999 | } |
2000 | } | |
2001 | } | |
2002 | } | |
2003 | ||
2004 | /* This function does the following: | |
2005 | * 1) If plist_name is not present, search for a IPv4 or IPv6 prefix-list | |
2006 | * match clause (based on the afi passed to this foo) and get the | |
2007 | * prefix-list name. | |
2008 | * 2) Look up the prefix-list using the name. | |
2009 | * 3) If the prefix-list is not found then, delete the index from the IPv4/IPv6 | |
2010 | * default-route's node in the trie (based on the afi passed to this foo). | |
2011 | * 4) If a prefix-entry is passed then, remove this index from the route-node | |
2012 | * for the prefix in this prefix-entry. | |
2013 | * 5) If prefix-entry is not passed then, for every prefix-entry in the | |
2014 | * prefix-list, remove this index from the route-node | |
2015 | * for the prefix in this prefix-entry. | |
2016 | */ | |
2d26f094 NT |
2017 | static void route_map_del_plist_entries(afi_t afi, |
2018 | struct route_map_index *index, | |
2019 | const char *plist_name, | |
2020 | struct prefix_list_entry *entry) | |
49a08bb0 NT |
2021 | { |
2022 | struct route_map_rule_list *match_list = NULL; | |
2023 | struct route_map_rule *match = NULL; | |
2024 | struct prefix_list *plist = NULL; | |
2025 | struct prefix_list_entry *pentry = NULL; | |
2026 | bool plist_rule_is_present = false; | |
2027 | ||
2028 | if (!plist_name) { | |
2029 | match_list = &index->match_list; | |
2030 | ||
2031 | for (match = match_list->head; match; match = match->next) { | |
819a23f9 | 2032 | if (afi == AFI_IP) { |
2d26f094 | 2033 | if (IS_RULE_IPv4_PREFIX_LIST(match->cmd->str)) { |
819a23f9 NT |
2034 | plist_rule_is_present = true; |
2035 | break; | |
2d26f094 | 2036 | } |
819a23f9 | 2037 | } else { |
2d26f094 | 2038 | if (IS_RULE_IPv6_PREFIX_LIST(match->cmd->str)) { |
819a23f9 NT |
2039 | plist_rule_is_present = true; |
2040 | break; | |
2d26f094 | 2041 | } |
49a08bb0 NT |
2042 | } |
2043 | } | |
2044 | ||
2045 | if (plist_rule_is_present) | |
2046 | plist = prefix_list_lookup(afi, match->rule_str); | |
2047 | } else { | |
2048 | plist = prefix_list_lookup(afi, plist_name); | |
2049 | } | |
2050 | ||
2051 | if (!plist) { | |
2052 | route_map_pfx_table_del_default(afi, index); | |
2053 | return; | |
2054 | } | |
2055 | ||
2056 | if (entry) { | |
2057 | if (afi == AFI_IP) { | |
2d26f094 NT |
2058 | route_map_pfx_table_del(index->map->ipv4_prefix_table, |
2059 | index, entry); | |
49a08bb0 | 2060 | } else { |
2d26f094 NT |
2061 | route_map_pfx_table_del(index->map->ipv6_prefix_table, |
2062 | index, entry); | |
49a08bb0 NT |
2063 | } |
2064 | } else { | |
2065 | for (pentry = plist->head; pentry; pentry = pentry->next) { | |
2066 | if (afi == AFI_IP) { | |
2067 | route_map_pfx_table_del( | |
2d26f094 NT |
2068 | index->map->ipv4_prefix_table, index, |
2069 | pentry); | |
49a08bb0 NT |
2070 | } else { |
2071 | route_map_pfx_table_del( | |
2d26f094 NT |
2072 | index->map->ipv6_prefix_table, index, |
2073 | pentry); | |
49a08bb0 NT |
2074 | } |
2075 | } | |
2076 | } | |
2077 | } | |
2078 | ||
2079 | /* | |
2080 | * This function handles the cases where a prefix-list is added/removed | |
2081 | * as a match command from a particular route-map index. | |
2082 | * It updates the prefix-table of the route-map accordingly. | |
2083 | */ | |
2d26f094 NT |
2084 | static void route_map_trie_update(afi_t afi, route_map_event_t event, |
2085 | struct route_map_index *index, | |
2086 | const char *plist_name) | |
49a08bb0 NT |
2087 | { |
2088 | if (event == RMAP_EVENT_PLIST_ADDED) { | |
2089 | if (afi == AFI_IP) { | |
3eca8715 | 2090 | if (!route_map_is_ipv6_pfx_list_rule_present(index)) { |
2d26f094 | 2091 | route_map_pfx_table_del_default(AFI_IP6, index); |
49a08bb0 NT |
2092 | route_map_add_plist_entries(afi, index, |
2093 | plist_name, NULL); | |
2094 | } else { | |
2095 | route_map_del_plist_entries(AFI_IP6, index, | |
2096 | NULL, NULL); | |
2097 | } | |
2098 | } else { | |
3eca8715 | 2099 | if (!route_map_is_ip_pfx_list_rule_present(index)) { |
2d26f094 | 2100 | route_map_pfx_table_del_default(AFI_IP, index); |
49a08bb0 NT |
2101 | route_map_add_plist_entries(afi, index, |
2102 | plist_name, NULL); | |
2103 | } else { | |
2d26f094 NT |
2104 | route_map_del_plist_entries(AFI_IP, index, NULL, |
2105 | NULL); | |
49a08bb0 NT |
2106 | } |
2107 | } | |
2108 | } else if (event == RMAP_EVENT_PLIST_DELETED) { | |
2109 | if (afi == AFI_IP) { | |
2d26f094 NT |
2110 | route_map_del_plist_entries(afi, index, plist_name, |
2111 | NULL); | |
49a08bb0 | 2112 | |
3eca8715 NT |
2113 | /* If IPv6 prefix-list match rule is not present, |
2114 | * add this index to the IPv4 default route's trie | |
2115 | * node. | |
2116 | * Also, add this index to the trie nodes created | |
2117 | * for each of the prefix-entries within the IPv6 | |
2118 | * prefix-list, if the IPv6 prefix-list match rule | |
2119 | * is present. Else, add this index to the IPv6 | |
2120 | * default route's trie node. | |
2121 | */ | |
2122 | if (!route_map_is_ipv6_pfx_list_rule_present(index)) | |
49a08bb0 NT |
2123 | route_map_pfx_table_add_default(afi, index); |
2124 | ||
3eca8715 | 2125 | route_map_add_plist_entries(AFI_IP6, index, NULL, NULL); |
49a08bb0 | 2126 | } else { |
2d26f094 NT |
2127 | route_map_del_plist_entries(afi, index, plist_name, |
2128 | NULL); | |
49a08bb0 | 2129 | |
3eca8715 NT |
2130 | /* If IPv4 prefix-list match rule is not present, |
2131 | * add this index to the IPv6 default route's trie | |
2132 | * node. | |
2133 | * Also, add this index to the trie nodes created | |
2134 | * for each of the prefix-entries within the IPv4 | |
2135 | * prefix-list, if the IPv4 prefix-list match rule | |
2136 | * is present. Else, add this index to the IPv4 | |
2137 | * default route's trie node. | |
2138 | */ | |
2139 | if (!route_map_is_ip_pfx_list_rule_present(index)) | |
49a08bb0 NT |
2140 | route_map_pfx_table_add_default(afi, index); |
2141 | ||
3eca8715 | 2142 | route_map_add_plist_entries(AFI_IP, index, NULL, NULL); |
49a08bb0 NT |
2143 | } |
2144 | } | |
2145 | } | |
2146 | ||
2147 | /* | |
2148 | * This function handles the cases where a route-map index and | |
2149 | * prefix-list is added/removed. | |
2150 | * It updates the prefix-table of the route-map accordingly. | |
2151 | */ | |
2d26f094 NT |
2152 | static void route_map_pfx_tbl_update(route_map_event_t event, |
2153 | struct route_map_index *index, afi_t afi, | |
2154 | const char *plist_name) | |
49a08bb0 NT |
2155 | { |
2156 | struct route_map *rmap = NULL; | |
2157 | ||
2158 | if (!index) | |
2159 | return; | |
2160 | ||
2161 | if (event == RMAP_EVENT_INDEX_ADDED) { | |
2162 | route_map_pfx_table_add_default(AFI_IP, index); | |
2163 | route_map_pfx_table_add_default(AFI_IP6, index); | |
2164 | return; | |
2165 | } | |
2166 | ||
2167 | if (event == RMAP_EVENT_INDEX_DELETED) { | |
2168 | route_map_pfx_table_del_default(AFI_IP, index); | |
2169 | route_map_pfx_table_del_default(AFI_IP6, index); | |
2170 | ||
2d26f094 | 2171 | if ((index->map->head == NULL) && (index->map->tail == NULL)) { |
49a08bb0 NT |
2172 | rmap = index->map; |
2173 | ||
2174 | if (rmap->ipv4_prefix_table) { | |
2175 | route_table_finish(rmap->ipv4_prefix_table); | |
2176 | rmap->ipv4_prefix_table = NULL; | |
2177 | } | |
2178 | ||
2179 | if (rmap->ipv6_prefix_table) { | |
2180 | route_table_finish(rmap->ipv6_prefix_table); | |
2181 | rmap->ipv6_prefix_table = NULL; | |
2182 | } | |
2183 | } | |
2184 | return; | |
2185 | } | |
2186 | ||
2187 | /* Handle prefix-list match rule addition/deletion. | |
2188 | */ | |
2d26f094 | 2189 | route_map_trie_update(afi, event, index, plist_name); |
49a08bb0 NT |
2190 | } |
2191 | ||
2192 | /* | |
2193 | * This function handles the cases where a new prefix-entry is added to | |
2194 | * a prefix-list or, an existing prefix-entry is removed from the prefix-list. | |
2195 | * It updates the prefix-table of the route-map accordingly. | |
2196 | */ | |
2d26f094 NT |
2197 | static void route_map_pentry_update(route_map_event_t event, |
2198 | const char *plist_name, | |
2199 | struct route_map_index *index, | |
2200 | struct prefix_list_entry *pentry) | |
49a08bb0 NT |
2201 | { |
2202 | struct prefix_list *plist = NULL; | |
2203 | afi_t afi; | |
2204 | unsigned char family = pentry->prefix.family; | |
2205 | ||
2206 | if (family == AF_INET) { | |
2207 | afi = AFI_IP; | |
2208 | plist = prefix_list_lookup(AFI_IP, plist_name); | |
2209 | } else { | |
2210 | afi = AFI_IP6; | |
2211 | plist = prefix_list_lookup(AFI_IP6, plist_name); | |
2212 | } | |
2213 | ||
2214 | if (event == RMAP_EVENT_PLIST_ADDED) { | |
3eca8715 NT |
2215 | if (afi == AFI_IP) { |
2216 | if (!route_map_is_ipv6_pfx_list_rule_present(index)) | |
2217 | route_map_add_plist_entries(afi, index, | |
2218 | plist_name, pentry); | |
49a08bb0 | 2219 | } else { |
3eca8715 NT |
2220 | if (!route_map_is_ip_pfx_list_rule_present(index)) |
2221 | route_map_add_plist_entries(afi, index, | |
2222 | plist_name, pentry); | |
49a08bb0 NT |
2223 | } |
2224 | } else if (event == RMAP_EVENT_PLIST_DELETED) { | |
2225 | route_map_del_plist_entries(afi, index, plist_name, pentry); | |
2226 | ||
2227 | if (plist->count == 1) { | |
2228 | if (afi == AFI_IP) { | |
3eca8715 NT |
2229 | if (!route_map_is_ipv6_pfx_list_rule_present( |
2230 | index)) | |
49a08bb0 NT |
2231 | route_map_pfx_table_add_default(afi, |
2232 | index); | |
2233 | } else { | |
3eca8715 NT |
2234 | if (!route_map_is_ip_pfx_list_rule_present( |
2235 | index)) | |
49a08bb0 NT |
2236 | route_map_pfx_table_add_default(afi, |
2237 | index); | |
2238 | } | |
2239 | } | |
2240 | } | |
2241 | } | |
2242 | ||
1ac88792 | 2243 | static void route_map_pentry_process_dependency(struct hash_bucket *bucket, |
2d26f094 | 2244 | void *data) |
49a08bb0 NT |
2245 | { |
2246 | char *rmap_name = NULL; | |
2247 | struct route_map *rmap = NULL; | |
2248 | struct route_map_index *index = NULL; | |
2249 | struct route_map_rule_list *match_list = NULL; | |
2250 | struct route_map_rule *match = NULL; | |
2251 | struct route_map_dep_data *dep_data = NULL; | |
2252 | struct route_map_pentry_dep *pentry_dep = | |
2d26f094 | 2253 | (struct route_map_pentry_dep *)data; |
49a08bb0 NT |
2254 | unsigned char family = pentry_dep->pentry->prefix.family; |
2255 | ||
1ac88792 | 2256 | dep_data = (struct route_map_dep_data *)bucket->data; |
49a08bb0 NT |
2257 | if (!dep_data) |
2258 | return; | |
2259 | ||
2260 | rmap_name = dep_data->rname; | |
2261 | rmap = route_map_lookup_by_name(rmap_name); | |
2262 | if (!rmap || !rmap->head) | |
2263 | return; | |
2264 | ||
2265 | for (index = rmap->head; index; index = index->next) { | |
2266 | match_list = &index->match_list; | |
2267 | ||
2268 | if (!match_list) | |
2269 | continue; | |
2270 | ||
2271 | for (match = match_list->head; match; match = match->next) { | |
2272 | if (strcmp(match->rule_str, pentry_dep->plist_name) | |
2d26f094 NT |
2273 | == 0) { |
2274 | if (IS_RULE_IPv4_PREFIX_LIST(match->cmd->str) | |
2275 | && family == AF_INET) { | |
49a08bb0 | 2276 | route_map_pentry_update( |
2d26f094 NT |
2277 | pentry_dep->event, |
2278 | pentry_dep->plist_name, index, | |
2279 | pentry_dep->pentry); | |
819a23f9 | 2280 | } else if (IS_RULE_IPv6_PREFIX_LIST( |
2d26f094 NT |
2281 | match->cmd->str) |
2282 | && family == AF_INET6) { | |
49a08bb0 | 2283 | route_map_pentry_update( |
2d26f094 NT |
2284 | pentry_dep->event, |
2285 | pentry_dep->plist_name, index, | |
2286 | pentry_dep->pentry); | |
49a08bb0 NT |
2287 | } |
2288 | } | |
2289 | } | |
2290 | } | |
2291 | } | |
2292 | ||
2d26f094 NT |
2293 | void route_map_notify_pentry_dependencies(const char *affected_name, |
2294 | struct prefix_list_entry *pentry, | |
2295 | route_map_event_t event) | |
49a08bb0 NT |
2296 | { |
2297 | struct route_map_dep *dep = NULL; | |
2298 | struct hash *upd8_hash = NULL; | |
2299 | struct route_map_pentry_dep pentry_dep; | |
2300 | ||
2301 | if (!affected_name || !pentry) | |
2302 | return; | |
2303 | ||
2304 | upd8_hash = route_map_get_dep_hash(event); | |
2305 | if (!upd8_hash) | |
2306 | return; | |
2307 | ||
2308 | dep = (struct route_map_dep *)hash_get(upd8_hash, (void *)affected_name, | |
2309 | NULL); | |
2310 | if (dep) { | |
2311 | if (!dep->this_hash) | |
2312 | dep->this_hash = upd8_hash; | |
2313 | ||
2314 | memset(&pentry_dep, 0, sizeof(struct route_map_pentry_dep)); | |
2315 | pentry_dep.pentry = pentry; | |
2316 | pentry_dep.plist_name = affected_name; | |
2317 | pentry_dep.event = event; | |
2318 | ||
2319 | hash_iterate(dep->dep_rmap_hash, | |
2320 | route_map_pentry_process_dependency, | |
2321 | (void *)&pentry_dep); | |
2322 | } | |
2323 | } | |
2324 | ||
3bf1c917 | 2325 | /* Apply route map's each index to the object. |
2326 | ||
2327 | The matrix for a route-map looks like this: | |
2328 | (note, this includes the description for the "NEXT" | |
2329 | and "GOTO" frobs now | |
d62a17ae | 2330 | |
b68885f9 LK |
2331 | | Match | No Match | No op |
2332 | |-----------|--------------|------- | |
2333 | permit | action | cont | cont. | |
2334 | | | default:deny | default:permit | |
2335 | -------------------+----------------------- | |
2336 | | deny | cont | cont. | |
2337 | deny | | default:deny | default:permit | |
2338 | |-----------|--------------|-------- | |
d62a17ae | 2339 | |
fee0f4c6 | 2340 | action) |
2341 | -Apply Set statements, accept route | |
2342 | -If Call statement is present jump to the specified route-map, if it | |
d62a17ae | 2343 | denies the route we finish. |
fee0f4c6 | 2344 | -If NEXT is specified, goto NEXT statement |
2345 | -If GOTO is specified, goto the first clause where pref > nextpref | |
2346 | -If nothing is specified, do as Cisco and finish | |
2347 | deny) | |
2348 | -Route is denied by route-map. | |
2349 | cont) | |
2350 | -Goto Next index | |
d62a17ae | 2351 | |
3bf1c917 | 2352 | If we get no matches after we've processed all updates, then the route |
2353 | is dropped too. | |
d62a17ae | 2354 | |
fee0f4c6 | 2355 | Some notes on the new "CALL", "NEXT" and "GOTO" |
2356 | call WORD - If this clause is matched, then the set statements | |
d62a17ae | 2357 | are executed and then we jump to route-map 'WORD'. If |
2358 | this route-map denies the route, we finish, in other | |
2359 | case we | |
2360 | do whatever the exit policy (EXIT, NEXT or GOTO) tells. | |
3bf1c917 | 2361 | on-match next - If this clause is matched, then the set statements |
d62a17ae | 2362 | are executed and then we drop through to the next clause |
3bf1c917 | 2363 | on-match goto n - If this clause is matched, then the set statments |
d62a17ae | 2364 | are executed and then we goto the nth clause, or the |
2365 | first clause greater than this. In order to ensure | |
2366 | route-maps *always* exit, you cannot jump backwards. | |
2367 | Sorry ;) | |
2368 | ||
3bf1c917 | 2369 | We need to make sure our route-map processing matches the above |
718e3744 | 2370 | */ |
123214ef | 2371 | route_map_result_t route_map_apply(struct route_map *map, |
1782514f | 2372 | const struct prefix *prefix, void *object) |
d62a17ae | 2373 | { |
2374 | static int recursion = 0; | |
b68885f9 LK |
2375 | enum route_map_cmd_result_t match_ret = RMAP_NOMATCH; |
2376 | route_map_result_t ret = RMAP_PERMITMATCH; | |
819a23f9 NT |
2377 | struct route_map_index *index = NULL; |
2378 | struct route_map_rule *set = NULL; | |
819a23f9 | 2379 | bool skip_match_clause = false; |
d62a17ae | 2380 | |
2381 | if (recursion > RMAP_RECURSION_LIMIT) { | |
040c7c3a | 2382 | flog_warn( |
450971aa | 2383 | EC_LIB_RMAP_RECURSION_LIMIT, |
d62a17ae | 2384 | "route-map recursion limit (%d) reached, discarding route", |
2385 | RMAP_RECURSION_LIMIT); | |
2386 | recursion = 0; | |
2387 | return RMAP_DENYMATCH; | |
2388 | } | |
2389 | ||
b68885f9 | 2390 | if (map == NULL || map->head == NULL) { |
e3ab8170 AD |
2391 | ret = RMAP_DENYMATCH; |
2392 | goto route_map_apply_end; | |
2393 | } | |
d62a17ae | 2394 | |
279b0607 | 2395 | map->applied++; |
819a23f9 | 2396 | |
2d26f094 NT |
2397 | if ((!map->optimization_disabled) |
2398 | && (map->ipv4_prefix_table || map->ipv6_prefix_table)) { | |
1782514f | 2399 | index = route_map_get_index(map, prefix, object, |
819a23f9 NT |
2400 | (uint8_t *)&match_ret); |
2401 | if (index) { | |
284a6f5f | 2402 | index->applied++; |
819a23f9 NT |
2403 | if (rmap_debug) |
2404 | zlog_debug( | |
2dbe669b DA |
2405 | "Best match route-map: %s, sequence: %d for pfx: %pFX, result: %s", |
2406 | map->name, index->pref, prefix, | |
819a23f9 NT |
2407 | route_map_cmd_result_str(match_ret)); |
2408 | } else { | |
2409 | if (rmap_debug) | |
2d26f094 | 2410 | zlog_debug( |
2dbe669b DA |
2411 | "No best match sequence for pfx: %pFX in route-map: %s, result: %s", |
2412 | prefix, map->name, | |
2d26f094 | 2413 | route_map_cmd_result_str(match_ret)); |
819a23f9 NT |
2414 | /* |
2415 | * No index matches this prefix. Return deny unless, | |
2416 | * match_ret = RMAP_NOOP. | |
2417 | */ | |
2418 | if (match_ret == RMAP_NOOP) | |
2419 | ret = RMAP_PERMITMATCH; | |
2420 | else | |
2421 | ret = RMAP_DENYMATCH; | |
2422 | goto route_map_apply_end; | |
e3ab8170 | 2423 | } |
819a23f9 NT |
2424 | skip_match_clause = true; |
2425 | } else { | |
2426 | index = map->head; | |
2427 | } | |
2428 | ||
2429 | for (; index; index = index->next) { | |
a8f58eb6 | 2430 | if (!skip_match_clause) { |
00aef028 | 2431 | index->applied++; |
819a23f9 NT |
2432 | /* Apply this index. */ |
2433 | match_ret = route_map_apply_match(&index->match_list, | |
1782514f | 2434 | prefix, object); |
819a23f9 NT |
2435 | if (rmap_debug) { |
2436 | zlog_debug( | |
2dbe669b DA |
2437 | "Route-map: %s, sequence: %d, prefix: %pFX, result: %s", |
2438 | map->name, index->pref, prefix, | |
819a23f9 NT |
2439 | route_map_cmd_result_str(match_ret)); |
2440 | } | |
2441 | } else | |
2442 | skip_match_clause = false; | |
2443 | ||
e3ab8170 | 2444 | |
d62a17ae | 2445 | /* Now we apply the matrix from above */ |
b68885f9 LK |
2446 | if (match_ret == RMAP_NOOP) |
2447 | /* | |
2448 | * Do not change the return value. Retain the previous | |
2449 | * return value. Previous values can be: | |
2450 | * 1)permitmatch (if a nomatch was never | |
2451 | * seen before in this route-map.) | |
2452 | * 2)denymatch (if a nomatch was seen earlier in one | |
2453 | * of the previous sequences) | |
2454 | */ | |
2455 | ||
2456 | /* | |
2457 | * 'cont' from matrix - continue to next route-map | |
2458 | * sequence | |
2459 | */ | |
d62a17ae | 2460 | continue; |
b68885f9 LK |
2461 | else if (match_ret == RMAP_NOMATCH) { |
2462 | ||
2463 | /* | |
2464 | * The return value is now changed to denymatch. | |
2465 | * So from here on out, even if we see more noops, | |
2466 | * we retain this return value and return this | |
2467 | * eventually if there are no matches. | |
2468 | */ | |
2469 | ret = RMAP_DENYMATCH; | |
2470 | ||
2471 | /* | |
2472 | * 'cont' from matrix - continue to next route-map | |
2473 | * sequence | |
2474 | */ | |
2475 | continue; | |
2476 | } else if (match_ret == RMAP_MATCH) { | |
d62a17ae | 2477 | if (index->type == RMAP_PERMIT) |
2478 | /* 'action' */ | |
2479 | { | |
b68885f9 LK |
2480 | /* Match succeeded, rmap is of type permit */ |
2481 | ret = RMAP_PERMITMATCH; | |
2482 | ||
d62a17ae | 2483 | /* permit+match must execute sets */ |
2484 | for (set = index->set_list.head; set; | |
2485 | set = set->next) | |
b68885f9 LK |
2486 | /* |
2487 | * set cmds return RMAP_OKAY or | |
2488 | * RMAP_ERROR. We do not care if | |
2489 | * set succeeded or not. So, ignore | |
2490 | * return code. | |
2491 | */ | |
1782514f DS |
2492 | (void)(*set->cmd->func_apply)( |
2493 | set->value, prefix, object); | |
d62a17ae | 2494 | |
2495 | /* Call another route-map if available */ | |
2496 | if (index->nextrm) { | |
2497 | struct route_map *nextrm = | |
2498 | route_map_lookup_by_name( | |
2499 | index->nextrm); | |
2500 | ||
2501 | if (nextrm) /* Target route-map found, | |
2502 | jump to it */ | |
2503 | { | |
2504 | recursion++; | |
2505 | ret = route_map_apply( | |
1782514f | 2506 | nextrm, prefix, object); |
d62a17ae | 2507 | recursion--; |
2508 | } | |
2509 | ||
2510 | /* If nextrm returned 'deny', finish. */ | |
2511 | if (ret == RMAP_DENYMATCH) | |
e3ab8170 | 2512 | goto route_map_apply_end; |
d62a17ae | 2513 | } |
2514 | ||
2515 | switch (index->exitpolicy) { | |
2516 | case RMAP_EXIT: | |
e3ab8170 | 2517 | goto route_map_apply_end; |
d62a17ae | 2518 | case RMAP_NEXT: |
2519 | continue; | |
2520 | case RMAP_GOTO: { | |
2521 | /* Find the next clause to jump to */ | |
2522 | struct route_map_index *next = | |
2523 | index->next; | |
2524 | int nextpref = index->nextpref; | |
2525 | ||
2526 | while (next && next->pref < nextpref) { | |
2527 | index = next; | |
2528 | next = next->next; | |
2529 | } | |
2530 | if (next == NULL) { | |
2531 | /* No clauses match! */ | |
e3ab8170 | 2532 | goto route_map_apply_end; |
d62a17ae | 2533 | } |
2534 | } | |
2535 | } | |
2536 | } else if (index->type == RMAP_DENY) | |
2537 | /* 'deny' */ | |
2538 | { | |
e3ab8170 AD |
2539 | ret = RMAP_DENYMATCH; |
2540 | goto route_map_apply_end; | |
d62a17ae | 2541 | } |
2542 | } | |
2543 | } | |
e3ab8170 AD |
2544 | |
2545 | route_map_apply_end: | |
2dbe669b DA |
2546 | if (rmap_debug) |
2547 | zlog_debug("Route-map: %s, prefix: %pFX, result: %s", | |
2548 | (map ? map->name : "null"), prefix, | |
e3ab8170 | 2549 | route_map_result_str(ret)); |
e3ab8170 AD |
2550 | |
2551 | return (ret); | |
d62a17ae | 2552 | } |
2553 | ||
2554 | void route_map_add_hook(void (*func)(const char *)) | |
2555 | { | |
2556 | route_map_master.add_hook = func; | |
2557 | } | |
2558 | ||
2559 | void route_map_delete_hook(void (*func)(const char *)) | |
2560 | { | |
2561 | route_map_master.delete_hook = func; | |
2562 | } | |
2563 | ||
097b5973 | 2564 | void route_map_event_hook(void (*func)(const char *name)) |
d62a17ae | 2565 | { |
2566 | route_map_master.event_hook = func; | |
718e3744 | 2567 | } |
2568 | ||
518f0eb1 | 2569 | /* Routines for route map dependency lists and dependency processing */ |
74df8d6d | 2570 | static bool route_map_rmap_hash_cmp(const void *p1, const void *p2) |
518f0eb1 | 2571 | { |
e2c8d6ce NT |
2572 | return strcmp(((const struct route_map_dep_data *)p1)->rname, |
2573 | ((const struct route_map_dep_data *)p2)->rname) | |
2574 | == 0; | |
518f0eb1 DS |
2575 | } |
2576 | ||
74df8d6d | 2577 | static bool route_map_dep_hash_cmp(const void *p1, const void *p2) |
518f0eb1 DS |
2578 | { |
2579 | ||
d62a17ae | 2580 | return (strcmp(((const struct route_map_dep *)p1)->dep_name, |
2581 | (const char *)p2) | |
2582 | == 0); | |
518f0eb1 DS |
2583 | } |
2584 | ||
e3b78da8 | 2585 | static void route_map_clear_reference(struct hash_bucket *bucket, void *arg) |
518f0eb1 | 2586 | { |
e2c8d6ce NT |
2587 | struct route_map_dep *dep = bucket->data; |
2588 | struct route_map_dep_data *dep_data = NULL, tmp_dep_data; | |
518f0eb1 | 2589 | |
db8db580 DS |
2590 | memset(&tmp_dep_data, 0, sizeof(struct route_map_dep_data)); |
2591 | tmp_dep_data.rname = arg; | |
2592 | dep_data = hash_release(dep->dep_rmap_hash, &tmp_dep_data); | |
2593 | if (dep_data) { | |
af87aff6 DS |
2594 | if (rmap_debug) |
2595 | zlog_debug("Clearing reference for %s to %s count: %d", | |
2596 | dep->dep_name, tmp_dep_data.rname, | |
2597 | dep_data->refcnt); | |
2598 | ||
db8db580 DS |
2599 | XFREE(MTYPE_ROUTE_MAP_NAME, dep_data->rname); |
2600 | XFREE(MTYPE_ROUTE_MAP_DEP_DATA, dep_data); | |
2601 | } | |
2602 | if (!dep->dep_rmap_hash->count) { | |
2603 | dep = hash_release(dep->this_hash, (void *)dep->dep_name); | |
2604 | hash_free(dep->dep_rmap_hash); | |
2605 | XFREE(MTYPE_ROUTE_MAP_NAME, dep->dep_name); | |
2606 | XFREE(MTYPE_ROUTE_MAP_DEP, dep); | |
518f0eb1 | 2607 | } |
d62a17ae | 2608 | } |
2609 | ||
2610 | static void route_map_clear_all_references(char *rmap_name) | |
2611 | { | |
2612 | int i; | |
2613 | ||
af87aff6 DS |
2614 | if (rmap_debug) |
2615 | zlog_debug("Clearing references for %s", rmap_name); | |
2616 | ||
d62a17ae | 2617 | for (i = 1; i < ROUTE_MAP_DEP_MAX; i++) { |
2618 | hash_iterate(route_map_dep_hash[i], route_map_clear_reference, | |
2619 | (void *)rmap_name); | |
518f0eb1 | 2620 | } |
518f0eb1 DS |
2621 | } |
2622 | ||
e2c8d6ce NT |
2623 | static unsigned int route_map_dep_data_hash_make_key(const void *p) |
2624 | { | |
2625 | const struct route_map_dep_data *dep_data = p; | |
2626 | ||
2627 | return string_hash_make(dep_data->rname); | |
2628 | } | |
2629 | ||
31f937fb SM |
2630 | DEFUN (set_srte_color, |
2631 | set_srte_color_cmd, | |
2632 | "set sr-te color [(1-4294967295)]", | |
2633 | SET_STR | |
2634 | SRTE_STR | |
2635 | SRTE_COLOR_STR | |
2636 | "Color of the SR-TE Policies to match with\n") | |
2637 | { | |
2638 | VTY_DECLVAR_CONTEXT(route_map_index, index); | |
2639 | int idx = 0; | |
2640 | char *arg = argv_find(argv, argc, "(1-4294967295)", &idx) | |
2641 | ? argv[idx]->arg | |
2642 | : NULL; | |
2643 | ||
2644 | if (rmap_match_set_hook.set_srte_color) | |
2645 | return rmap_match_set_hook.set_srte_color(vty, index, | |
2646 | "sr-te color", arg); | |
2647 | return CMD_SUCCESS; | |
2648 | } | |
2649 | ||
2650 | DEFUN (no_set_srte_color, | |
2651 | no_set_srte_color_cmd, | |
2652 | "no set sr-te color [(1-4294967295)]", | |
2653 | NO_STR | |
2654 | SET_STR | |
2655 | SRTE_STR | |
2656 | SRTE_COLOR_STR | |
2657 | "Color of the SR-TE Policies to match with\n") | |
2658 | { | |
2659 | VTY_DECLVAR_CONTEXT(route_map_index, index); | |
2660 | int idx = 0; | |
2661 | char *arg = argv_find(argv, argc, "(1-4294967295)", &idx) | |
2662 | ? argv[idx]->arg | |
2663 | : NULL; | |
2664 | ||
2665 | if (rmap_match_set_hook.no_set_srte_color) | |
2666 | return rmap_match_set_hook.no_set_srte_color( | |
2667 | vty, index, "sr-te color", arg); | |
2668 | return CMD_SUCCESS; | |
2669 | } | |
2670 | ||
d62a17ae | 2671 | static void *route_map_dep_hash_alloc(void *p) |
518f0eb1 | 2672 | { |
d62a17ae | 2673 | char *dep_name = (char *)p; |
2674 | struct route_map_dep *dep_entry; | |
2675 | ||
2676 | dep_entry = XCALLOC(MTYPE_ROUTE_MAP_DEP, sizeof(struct route_map_dep)); | |
2677 | dep_entry->dep_name = XSTRDUP(MTYPE_ROUTE_MAP_NAME, dep_name); | |
996c9314 | 2678 | dep_entry->dep_rmap_hash = |
e2c8d6ce | 2679 | hash_create_size(8, route_map_dep_data_hash_make_key, |
996c9314 | 2680 | route_map_rmap_hash_cmp, "Route Map Dep Hash"); |
d62a17ae | 2681 | dep_entry->this_hash = NULL; |
2682 | ||
e2c8d6ce | 2683 | return dep_entry; |
d62a17ae | 2684 | } |
518f0eb1 | 2685 | |
d62a17ae | 2686 | static void *route_map_name_hash_alloc(void *p) |
2687 | { | |
e2c8d6ce NT |
2688 | struct route_map_dep_data *dep_data = NULL, *tmp_dep_data = NULL; |
2689 | ||
2690 | dep_data = XCALLOC(MTYPE_ROUTE_MAP_DEP_DATA, | |
2691 | sizeof(struct route_map_dep_data)); | |
2692 | tmp_dep_data = p; | |
2693 | dep_data->rname = XSTRDUP(MTYPE_ROUTE_MAP_NAME, tmp_dep_data->rname); | |
2694 | return dep_data; | |
518f0eb1 DS |
2695 | } |
2696 | ||
d8b87afe | 2697 | static unsigned int route_map_dep_hash_make_key(const void *p) |
518f0eb1 | 2698 | { |
d62a17ae | 2699 | return (string_hash_make((char *)p)); |
2700 | } | |
518f0eb1 | 2701 | |
e3b78da8 | 2702 | static void route_map_print_dependency(struct hash_bucket *bucket, void *data) |
d62a17ae | 2703 | { |
e2c8d6ce NT |
2704 | struct route_map_dep_data *dep_data = bucket->data; |
2705 | char *rmap_name = dep_data->rname; | |
2706 | char *dep_name = data; | |
518f0eb1 | 2707 | |
15569c58 | 2708 | zlog_debug("%s: Dependency for %s: %s", __func__, dep_name, rmap_name); |
518f0eb1 DS |
2709 | } |
2710 | ||
d62a17ae | 2711 | static int route_map_dep_update(struct hash *dephash, const char *dep_name, |
2712 | const char *rmap_name, route_map_event_t type) | |
518f0eb1 | 2713 | { |
d62a17ae | 2714 | struct route_map_dep *dep = NULL; |
d62a17ae | 2715 | char *dname, *rname; |
2716 | int ret = 0; | |
e2c8d6ce NT |
2717 | struct route_map_dep_data *dep_data = NULL, *ret_dep_data = NULL; |
2718 | struct route_map_dep_data tmp_dep_data; | |
d62a17ae | 2719 | |
2720 | dname = XSTRDUP(MTYPE_ROUTE_MAP_NAME, dep_name); | |
2721 | rname = XSTRDUP(MTYPE_ROUTE_MAP_NAME, rmap_name); | |
2722 | ||
2723 | switch (type) { | |
2724 | case RMAP_EVENT_PLIST_ADDED: | |
2725 | case RMAP_EVENT_CLIST_ADDED: | |
2726 | case RMAP_EVENT_ECLIST_ADDED: | |
2727 | case RMAP_EVENT_ASLIST_ADDED: | |
2728 | case RMAP_EVENT_LLIST_ADDED: | |
2729 | case RMAP_EVENT_CALL_ADDED: | |
2730 | case RMAP_EVENT_FILTER_ADDED: | |
2731 | if (rmap_debug) | |
e3ab8170 AD |
2732 | zlog_debug("Adding dependency for filter %s in route-map %s", |
2733 | dep_name, rmap_name); | |
d62a17ae | 2734 | dep = (struct route_map_dep *)hash_get( |
2735 | dephash, dname, route_map_dep_hash_alloc); | |
2736 | if (!dep) { | |
2737 | ret = -1; | |
2738 | goto out; | |
2739 | } | |
2740 | ||
2741 | if (!dep->this_hash) | |
2742 | dep->this_hash = dephash; | |
2743 | ||
e2c8d6ce NT |
2744 | memset(&tmp_dep_data, 0, sizeof(struct route_map_dep_data)); |
2745 | tmp_dep_data.rname = rname; | |
2746 | dep_data = hash_lookup(dep->dep_rmap_hash, &tmp_dep_data); | |
2747 | if (!dep_data) | |
2748 | dep_data = hash_get(dep->dep_rmap_hash, &tmp_dep_data, | |
2749 | route_map_name_hash_alloc); | |
2750 | ||
2751 | dep_data->refcnt++; | |
d62a17ae | 2752 | break; |
2753 | case RMAP_EVENT_PLIST_DELETED: | |
2754 | case RMAP_EVENT_CLIST_DELETED: | |
2755 | case RMAP_EVENT_ECLIST_DELETED: | |
2756 | case RMAP_EVENT_ASLIST_DELETED: | |
2757 | case RMAP_EVENT_LLIST_DELETED: | |
2758 | case RMAP_EVENT_CALL_DELETED: | |
2759 | case RMAP_EVENT_FILTER_DELETED: | |
2760 | if (rmap_debug) | |
e3ab8170 AD |
2761 | zlog_debug("Deleting dependency for filter %s in route-map %s", |
2762 | dep_name, rmap_name); | |
d62a17ae | 2763 | dep = (struct route_map_dep *)hash_get(dephash, dname, NULL); |
2764 | if (!dep) { | |
2765 | goto out; | |
2766 | } | |
2767 | ||
e2c8d6ce NT |
2768 | memset(&tmp_dep_data, 0, sizeof(struct route_map_dep_data)); |
2769 | tmp_dep_data.rname = rname; | |
2770 | dep_data = hash_lookup(dep->dep_rmap_hash, &tmp_dep_data); | |
9149c635 DS |
2771 | /* |
2772 | * If dep_data is NULL then something has gone seriously | |
2773 | * wrong in route-map handling. Note it and prevent | |
2774 | * the crash. | |
2775 | */ | |
2776 | if (!dep_data) { | |
2777 | zlog_warn( | |
2778 | "route-map dependency for route-map %s: %s is not correct", | |
2779 | rmap_name, dep_name); | |
c415a4dc | 2780 | goto out; |
9149c635 | 2781 | } |
c415a4dc | 2782 | |
9149c635 | 2783 | dep_data->refcnt--; |
e2c8d6ce NT |
2784 | |
2785 | if (!dep_data->refcnt) { | |
2786 | ret_dep_data = hash_release(dep->dep_rmap_hash, | |
2787 | &tmp_dep_data); | |
2788 | if (ret_dep_data) { | |
2789 | XFREE(MTYPE_ROUTE_MAP_NAME, | |
2790 | ret_dep_data->rname); | |
2791 | XFREE(MTYPE_ROUTE_MAP_DEP_DATA, ret_dep_data); | |
2792 | } | |
2793 | } | |
d62a17ae | 2794 | |
2795 | if (!dep->dep_rmap_hash->count) { | |
2796 | dep = hash_release(dephash, dname); | |
2797 | hash_free(dep->dep_rmap_hash); | |
2798 | XFREE(MTYPE_ROUTE_MAP_NAME, dep->dep_name); | |
2799 | XFREE(MTYPE_ROUTE_MAP_DEP, dep); | |
d62a17ae | 2800 | } |
2801 | break; | |
ba1707ca DS |
2802 | case RMAP_EVENT_SET_ADDED: |
2803 | case RMAP_EVENT_SET_DELETED: | |
2804 | case RMAP_EVENT_SET_REPLACED: | |
2805 | case RMAP_EVENT_MATCH_ADDED: | |
2806 | case RMAP_EVENT_MATCH_DELETED: | |
2807 | case RMAP_EVENT_MATCH_REPLACED: | |
2808 | case RMAP_EVENT_INDEX_ADDED: | |
2809 | case RMAP_EVENT_INDEX_DELETED: | |
d62a17ae | 2810 | break; |
2811 | } | |
2812 | ||
2813 | if (dep) { | |
2814 | if (rmap_debug) | |
2815 | hash_iterate(dep->dep_rmap_hash, | |
2816 | route_map_print_dependency, dname); | |
2817 | } | |
2818 | ||
2819 | out: | |
2820 | XFREE(MTYPE_ROUTE_MAP_NAME, rname); | |
2821 | XFREE(MTYPE_ROUTE_MAP_NAME, dname); | |
2822 | return ret; | |
2823 | } | |
2824 | ||
2825 | static struct hash *route_map_get_dep_hash(route_map_event_t event) | |
2826 | { | |
2827 | struct hash *upd8_hash = NULL; | |
2828 | ||
2829 | switch (event) { | |
2830 | case RMAP_EVENT_PLIST_ADDED: | |
2831 | case RMAP_EVENT_PLIST_DELETED: | |
2832 | upd8_hash = route_map_dep_hash[ROUTE_MAP_DEP_PLIST]; | |
2833 | break; | |
2834 | case RMAP_EVENT_CLIST_ADDED: | |
2835 | case RMAP_EVENT_CLIST_DELETED: | |
2836 | upd8_hash = route_map_dep_hash[ROUTE_MAP_DEP_CLIST]; | |
2837 | break; | |
2838 | case RMAP_EVENT_ECLIST_ADDED: | |
2839 | case RMAP_EVENT_ECLIST_DELETED: | |
2840 | upd8_hash = route_map_dep_hash[ROUTE_MAP_DEP_ECLIST]; | |
2841 | break; | |
2842 | case RMAP_EVENT_ASLIST_ADDED: | |
2843 | case RMAP_EVENT_ASLIST_DELETED: | |
2844 | upd8_hash = route_map_dep_hash[ROUTE_MAP_DEP_ASPATH]; | |
2845 | break; | |
2846 | case RMAP_EVENT_LLIST_ADDED: | |
2847 | case RMAP_EVENT_LLIST_DELETED: | |
2848 | upd8_hash = route_map_dep_hash[ROUTE_MAP_DEP_LCLIST]; | |
2849 | break; | |
2850 | case RMAP_EVENT_CALL_ADDED: | |
2851 | case RMAP_EVENT_CALL_DELETED: | |
5ed2e47b | 2852 | case RMAP_EVENT_MATCH_ADDED: |
2853 | case RMAP_EVENT_MATCH_DELETED: | |
d62a17ae | 2854 | upd8_hash = route_map_dep_hash[ROUTE_MAP_DEP_RMAP]; |
2855 | break; | |
2856 | case RMAP_EVENT_FILTER_ADDED: | |
2857 | case RMAP_EVENT_FILTER_DELETED: | |
2858 | upd8_hash = route_map_dep_hash[ROUTE_MAP_DEP_FILTER]; | |
2859 | break; | |
ba1707ca DS |
2860 | /* |
2861 | * Should we actually be ignoring these? | |
2862 | * I am not sure but at this point in time, let | |
2863 | * us get them into this switch and we can peel | |
2864 | * them into the appropriate place in the future | |
2865 | */ | |
2866 | case RMAP_EVENT_SET_ADDED: | |
2867 | case RMAP_EVENT_SET_DELETED: | |
2868 | case RMAP_EVENT_SET_REPLACED: | |
2869 | case RMAP_EVENT_MATCH_REPLACED: | |
2870 | case RMAP_EVENT_INDEX_ADDED: | |
2871 | case RMAP_EVENT_INDEX_DELETED: | |
d62a17ae | 2872 | upd8_hash = NULL; |
2873 | break; | |
2874 | } | |
2875 | return (upd8_hash); | |
518f0eb1 DS |
2876 | } |
2877 | ||
e3b78da8 | 2878 | static void route_map_process_dependency(struct hash_bucket *bucket, void *data) |
518f0eb1 | 2879 | { |
e2c8d6ce NT |
2880 | struct route_map_dep_data *dep_data = NULL; |
2881 | char *rmap_name = NULL; | |
2882 | ||
2883 | dep_data = bucket->data; | |
2884 | rmap_name = dep_data->rname; | |
d62a17ae | 2885 | |
1fae5ff2 | 2886 | if (rmap_debug) |
e3ab8170 | 2887 | zlog_debug("Notifying %s of dependency", rmap_name); |
1fae5ff2 | 2888 | if (route_map_master.event_hook) |
097b5973 | 2889 | (*route_map_master.event_hook)(rmap_name); |
518f0eb1 DS |
2890 | } |
2891 | ||
d62a17ae | 2892 | void route_map_upd8_dependency(route_map_event_t type, const char *arg, |
2893 | const char *rmap_name) | |
518f0eb1 | 2894 | { |
d62a17ae | 2895 | struct hash *upd8_hash = NULL; |
518f0eb1 | 2896 | |
fdf823db | 2897 | if ((upd8_hash = route_map_get_dep_hash(type))) { |
d62a17ae | 2898 | route_map_dep_update(upd8_hash, arg, rmap_name, type); |
fdf823db NT |
2899 | |
2900 | if (type == RMAP_EVENT_CALL_ADDED) { | |
2901 | /* Execute hook. */ | |
2902 | if (route_map_master.add_hook) | |
2903 | (*route_map_master.add_hook)(rmap_name); | |
2904 | } else if (type == RMAP_EVENT_CALL_DELETED) { | |
2905 | /* Execute hook. */ | |
2906 | if (route_map_master.delete_hook) | |
2907 | (*route_map_master.delete_hook)(rmap_name); | |
2908 | } | |
2909 | } | |
518f0eb1 DS |
2910 | } |
2911 | ||
d62a17ae | 2912 | void route_map_notify_dependencies(const char *affected_name, |
2913 | route_map_event_t event) | |
518f0eb1 | 2914 | { |
d62a17ae | 2915 | struct route_map_dep *dep; |
2916 | struct hash *upd8_hash; | |
2917 | char *name; | |
2918 | ||
2919 | if (!affected_name) | |
2920 | return; | |
2921 | ||
2922 | name = XSTRDUP(MTYPE_ROUTE_MAP_NAME, affected_name); | |
2923 | ||
2924 | if ((upd8_hash = route_map_get_dep_hash(event)) == NULL) { | |
2925 | XFREE(MTYPE_ROUTE_MAP_NAME, name); | |
2926 | return; | |
518f0eb1 | 2927 | } |
d62a17ae | 2928 | |
2929 | dep = (struct route_map_dep *)hash_get(upd8_hash, name, NULL); | |
2930 | if (dep) { | |
2931 | if (!dep->this_hash) | |
2932 | dep->this_hash = upd8_hash; | |
2933 | ||
e3ab8170 AD |
2934 | if (rmap_debug) |
2935 | zlog_debug("Filter %s updated", dep->dep_name); | |
d62a17ae | 2936 | hash_iterate(dep->dep_rmap_hash, route_map_process_dependency, |
2937 | (void *)event); | |
2938 | } | |
2939 | ||
2940 | XFREE(MTYPE_ROUTE_MAP_NAME, name); | |
518f0eb1 DS |
2941 | } |
2942 | ||
718e3744 | 2943 | /* VTY related functions. */ |
2d26f094 NT |
2944 | DEFUN(no_routemap_optimization, no_routemap_optimization_cmd, |
2945 | "no route-map optimization", | |
2946 | NO_STR | |
2947 | "route-map\n" | |
2948 | "optimization\n") | |
49a08bb0 NT |
2949 | { |
2950 | VTY_DECLVAR_CONTEXT(route_map_index, index); | |
2951 | ||
2952 | index->map->optimization_disabled = true; | |
2953 | return CMD_SUCCESS; | |
2954 | } | |
2955 | ||
2d26f094 NT |
2956 | DEFUN(routemap_optimization, routemap_optimization_cmd, |
2957 | "route-map optimization", | |
2958 | "route-map\n" | |
2959 | "optimization\n") | |
49a08bb0 NT |
2960 | { |
2961 | VTY_DECLVAR_CONTEXT(route_map_index, index); | |
2962 | ||
2963 | index->map->optimization_disabled = false; | |
2964 | return CMD_SUCCESS; | |
2965 | } | |
82f97584 | 2966 | |
1fa30509 DS |
2967 | static void clear_route_map_helper(struct route_map *map) |
2968 | { | |
2969 | struct route_map_index *index; | |
2970 | ||
2971 | map->applied_clear = map->applied; | |
2972 | for (index = map->head; index; index = index->next) | |
2973 | index->applied_clear = index->applied; | |
2974 | } | |
2975 | ||
2976 | DEFUN (rmap_clear_counters, | |
2977 | rmap_clear_counters_cmd, | |
2978 | "clear route-map counters [WORD]", | |
2979 | CLEAR_STR | |
2980 | "route-map information\n" | |
2981 | "counters associated with the specified route-map\n" | |
2982 | "route-map name\n") | |
2983 | { | |
2984 | int idx_word = 2; | |
2985 | struct route_map *map; | |
2986 | ||
2987 | const char *name = (argc == 3 ) ? argv[idx_word]->arg : NULL; | |
2988 | ||
2989 | if (name) { | |
2990 | map = route_map_lookup_by_name(name); | |
2991 | ||
2992 | if (map) | |
2993 | clear_route_map_helper(map); | |
2994 | else { | |
2995 | vty_out(vty, "%s: 'route-map %s' not found\n", | |
2996 | frr_protonameinst, name); | |
2997 | return CMD_SUCCESS; | |
2998 | } | |
2999 | } else { | |
3000 | for (map = route_map_master.head; map; map = map->next) | |
3001 | clear_route_map_helper(map); | |
3002 | } | |
3003 | ||
3004 | return CMD_SUCCESS; | |
3005 | ||
3006 | } | |
5510e83b | 3007 | |
6d2729e3 | 3008 | DEFUN (rmap_show_name, |
5510e83b | 3009 | rmap_show_name_cmd, |
7514fb77 | 3010 | "show route-map [WORD]", |
5510e83b | 3011 | SHOW_STR |
3012 | "route-map information\n" | |
3013 | "route-map name\n") | |
3014 | { | |
d62a17ae | 3015 | int idx_word = 2; |
3016 | const char *name = (argc == 3) ? argv[idx_word]->arg : NULL; | |
3017 | return vty_show_route_map(vty, name); | |
5510e83b | 3018 | } |
3019 | ||
4a2a09d0 | 3020 | DEFUN (rmap_show_unused, |
3021 | rmap_show_unused_cmd, | |
3022 | "show route-map-unused", | |
3023 | SHOW_STR | |
3024 | "unused route-map information\n") | |
3025 | { | |
3026 | return vty_show_unused_route_map(vty); | |
3027 | } | |
3028 | ||
e3ab8170 AD |
3029 | DEFUN (debug_rmap, |
3030 | debug_rmap_cmd, | |
3031 | "debug route-map", | |
3032 | DEBUG_STR | |
3033 | "Debug option set for route-maps\n") | |
3034 | { | |
3035 | rmap_debug = true; | |
3036 | return CMD_SUCCESS; | |
3037 | } | |
3038 | ||
3039 | DEFUN (no_debug_rmap, | |
3040 | no_debug_rmap_cmd, | |
3041 | "no debug route-map", | |
3042 | NO_STR | |
3043 | DEBUG_STR | |
3044 | "Debug option set for route-maps\n") | |
3045 | { | |
3046 | rmap_debug = false; | |
3047 | return CMD_SUCCESS; | |
3048 | } | |
3049 | ||
3050 | /* Debug node. */ | |
612c2c15 | 3051 | static int rmap_config_write_debug(struct vty *vty); |
62b346ee | 3052 | static struct cmd_node rmap_debug_node = { |
f4b8291f | 3053 | .name = "route-map debug", |
62b346ee DL |
3054 | .node = RMAP_DEBUG_NODE, |
3055 | .prompt = "", | |
612c2c15 | 3056 | .config_write = rmap_config_write_debug, |
62b346ee | 3057 | }; |
e3ab8170 | 3058 | |
718e3744 | 3059 | /* Configuration write function. */ |
e3ab8170 AD |
3060 | static int rmap_config_write_debug(struct vty *vty) |
3061 | { | |
3062 | int write = 0; | |
3063 | ||
3064 | if (rmap_debug) { | |
3065 | vty_out(vty, "debug route-map\n"); | |
3066 | write++; | |
3067 | } | |
3068 | ||
3069 | return write; | |
3070 | } | |
3071 | ||
dc9ffce8 CF |
3072 | /* Common route map rules */ |
3073 | ||
d62a17ae | 3074 | void *route_map_rule_tag_compile(const char *arg) |
dc9ffce8 | 3075 | { |
d62a17ae | 3076 | unsigned long int tmp; |
3077 | char *endptr; | |
3078 | route_tag_t *tag; | |
dc9ffce8 | 3079 | |
d62a17ae | 3080 | errno = 0; |
3081 | tmp = strtoul(arg, &endptr, 0); | |
3082 | if (arg[0] == '\0' || *endptr != '\0' || errno || tmp > ROUTE_TAG_MAX) | |
3083 | return NULL; | |
dc9ffce8 | 3084 | |
d62a17ae | 3085 | tag = XMALLOC(MTYPE_ROUTE_MAP_COMPILED, sizeof(*tag)); |
3086 | *tag = tmp; | |
dc9ffce8 | 3087 | |
d62a17ae | 3088 | return tag; |
dc9ffce8 CF |
3089 | } |
3090 | ||
d62a17ae | 3091 | void route_map_rule_tag_free(void *rule) |
dc9ffce8 | 3092 | { |
d62a17ae | 3093 | XFREE(MTYPE_ROUTE_MAP_COMPILED, rule); |
dc9ffce8 CF |
3094 | } |
3095 | ||
d62a17ae | 3096 | void route_map_finish(void) |
9df78e7c | 3097 | { |
d62a17ae | 3098 | int i; |
9df78e7c | 3099 | |
d62a17ae | 3100 | vector_free(route_match_vec); |
3101 | route_match_vec = NULL; | |
3102 | vector_free(route_set_vec); | |
3103 | route_set_vec = NULL; | |
9df78e7c | 3104 | |
8619629a DS |
3105 | /* |
3106 | * All protocols are setting these to NULL | |
3107 | * by default on shutdown( route_map_finish ) | |
3108 | * Why are we making them do this work? | |
3109 | */ | |
3110 | route_map_master.add_hook = NULL; | |
3111 | route_map_master.delete_hook = NULL; | |
3112 | route_map_master.event_hook = NULL; | |
3113 | ||
d62a17ae | 3114 | /* cleanup route_map */ |
3115 | while (route_map_master.head) { | |
3116 | struct route_map *map = route_map_master.head; | |
e4694d0d | 3117 | map->to_be_processed = false; |
d62a17ae | 3118 | route_map_delete(map); |
3119 | } | |
9df78e7c | 3120 | |
d62a17ae | 3121 | for (i = 1; i < ROUTE_MAP_DEP_MAX; i++) { |
3122 | hash_free(route_map_dep_hash[i]); | |
3123 | route_map_dep_hash[i] = NULL; | |
3124 | } | |
9df78e7c | 3125 | |
d62a17ae | 3126 | hash_free(route_map_master_hash); |
3127 | route_map_master_hash = NULL; | |
9df78e7c DS |
3128 | } |
3129 | ||
4a2a09d0 | 3130 | /* Increment the use_count counter while attaching the route map */ |
3131 | void route_map_counter_increment(struct route_map *map) | |
3132 | { | |
3133 | if (map) | |
3134 | map->use_count++; | |
3135 | } | |
3136 | ||
3137 | /* Decrement the use_count counter while detaching the route map. */ | |
3138 | void route_map_counter_decrement(struct route_map *map) | |
3139 | { | |
3140 | if (map) { | |
3141 | if (map->use_count <= 0) | |
3142 | return; | |
3143 | map->use_count--; | |
3144 | } | |
3145 | } | |
3146 | ||
2d26f094 NT |
3147 | DEFUN_HIDDEN(show_route_map_pfx_tbl, show_route_map_pfx_tbl_cmd, |
3148 | "show route-map WORD prefix-table", | |
3149 | SHOW_STR | |
3150 | "route-map\n" | |
3151 | "route-map name\n" | |
3152 | "internal prefix-table\n") | |
3153 | { | |
3154 | const char *rmap_name = argv[2]->arg; | |
3155 | struct route_map *rmap = NULL; | |
3156 | struct route_table *rm_pfx_tbl4 = NULL; | |
3157 | struct route_table *rm_pfx_tbl6 = NULL; | |
3158 | struct route_node *rn = NULL, *prn = NULL; | |
3159 | struct list *rmap_index_list = NULL; | |
3160 | struct listnode *ln = NULL, *nln = NULL; | |
3161 | struct route_map_index *index = NULL; | |
2d26f094 NT |
3162 | uint8_t len = 54; |
3163 | ||
3164 | vty_out(vty, "%s:\n", frr_protonameinst); | |
3165 | rmap = route_map_lookup_by_name(rmap_name); | |
3166 | if (rmap) { | |
3167 | rm_pfx_tbl4 = rmap->ipv4_prefix_table; | |
3168 | if (rm_pfx_tbl4) { | |
3169 | vty_out(vty, "\n%s%43s%s\n", "IPv4 Prefix", "", | |
3170 | "Route-map Index List"); | |
3171 | vty_out(vty, "%s%39s%s\n", "_______________", "", | |
3172 | "____________________"); | |
3173 | for (rn = route_top(rm_pfx_tbl4); rn; | |
3174 | rn = route_next(rn)) { | |
b219dda1 | 3175 | vty_out(vty, " %pRN (%d)\n", rn, |
c10e14e9 | 3176 | route_node_get_lock_count(rn)); |
2d26f094 NT |
3177 | |
3178 | vty_out(vty, "(P) "); | |
3179 | prn = rn->parent; | |
3180 | if (prn) { | |
b219dda1 | 3181 | vty_out(vty, "%pRN\n", prn); |
2d26f094 NT |
3182 | } |
3183 | ||
3184 | vty_out(vty, "\n"); | |
3185 | rmap_index_list = (struct list *)rn->info; | |
3186 | if (!rmap_index_list | |
3187 | || !listcount(rmap_index_list)) | |
3188 | vty_out(vty, "%*s%s\n", len, "", "-"); | |
3189 | else | |
3190 | for (ALL_LIST_ELEMENTS(rmap_index_list, | |
3191 | ln, nln, | |
3192 | index)) { | |
3193 | vty_out(vty, "%*s%s seq %d\n", | |
3194 | len, "", | |
3195 | index->map->name, | |
3196 | index->pref); | |
3197 | } | |
3198 | vty_out(vty, "\n"); | |
3199 | } | |
3200 | } | |
3201 | ||
3202 | rm_pfx_tbl6 = rmap->ipv6_prefix_table; | |
3203 | if (rm_pfx_tbl6) { | |
3204 | vty_out(vty, "\n%s%43s%s\n", "IPv6 Prefix", "", | |
3205 | "Route-map Index List"); | |
3206 | vty_out(vty, "%s%39s%s\n", "_______________", "", | |
3207 | "____________________"); | |
3208 | for (rn = route_top(rm_pfx_tbl6); rn; | |
3209 | rn = route_next(rn)) { | |
b219dda1 | 3210 | vty_out(vty, " %pRN (%d)\n", rn, |
c10e14e9 | 3211 | route_node_get_lock_count(rn)); |
2d26f094 NT |
3212 | |
3213 | vty_out(vty, "(P) "); | |
3214 | prn = rn->parent; | |
3215 | if (prn) { | |
b219dda1 | 3216 | vty_out(vty, "%pRN\n", prn); |
2d26f094 NT |
3217 | } |
3218 | ||
3219 | vty_out(vty, "\n"); | |
3220 | rmap_index_list = (struct list *)rn->info; | |
3221 | if (!rmap_index_list | |
3222 | || !listcount(rmap_index_list)) | |
3223 | vty_out(vty, "%*s%s\n", len, "", "-"); | |
3224 | else | |
3225 | for (ALL_LIST_ELEMENTS(rmap_index_list, | |
3226 | ln, nln, | |
3227 | index)) { | |
3228 | vty_out(vty, "%*s%s seq %d\n", | |
3229 | len, "", | |
3230 | index->map->name, | |
3231 | index->pref); | |
3232 | } | |
3233 | vty_out(vty, "\n"); | |
3234 | } | |
3235 | } | |
3236 | } | |
3237 | ||
3238 | vty_out(vty, "\n"); | |
3239 | return CMD_SUCCESS; | |
3240 | } | |
3241 | ||
718e3744 | 3242 | /* Initialization of route map vector. */ |
d62a17ae | 3243 | void route_map_init(void) |
718e3744 | 3244 | { |
d62a17ae | 3245 | int i; |
3246 | ||
3247 | /* Make vector for match and set. */ | |
3248 | route_match_vec = vector_init(1); | |
3249 | route_set_vec = vector_init(1); | |
3250 | route_map_master_hash = | |
996c9314 | 3251 | hash_create_size(8, route_map_hash_key_make, route_map_hash_cmp, |
bd74dc61 | 3252 | "Route Map Master Hash"); |
d62a17ae | 3253 | |
3254 | for (i = 1; i < ROUTE_MAP_DEP_MAX; i++) | |
996c9314 LB |
3255 | route_map_dep_hash[i] = hash_create_size( |
3256 | 8, route_map_dep_hash_make_key, route_map_dep_hash_cmp, | |
3257 | "Route Map Dep Hash"); | |
b2575bc0 | 3258 | |
e3ab8170 AD |
3259 | rmap_debug = false; |
3260 | ||
2b3e4807 | 3261 | route_map_cli_init(); |
518f0eb1 | 3262 | |
2b3e4807 | 3263 | /* Install route map top node. */ |
612c2c15 | 3264 | install_node(&rmap_debug_node); |
e3ab8170 | 3265 | |
d62a17ae | 3266 | /* Install route map commands. */ |
e3ab8170 AD |
3267 | install_element(CONFIG_NODE, &debug_rmap_cmd); |
3268 | install_element(CONFIG_NODE, &no_debug_rmap_cmd); | |
3269 | ||
d62a17ae | 3270 | /* Install show command */ |
1fa30509 DS |
3271 | install_element(ENABLE_NODE, &rmap_clear_counters_cmd); |
3272 | ||
d62a17ae | 3273 | install_element(ENABLE_NODE, &rmap_show_name_cmd); |
4a2a09d0 | 3274 | install_element(ENABLE_NODE, &rmap_show_unused_cmd); |
82f97584 | 3275 | |
e3ab8170 AD |
3276 | install_element(ENABLE_NODE, &debug_rmap_cmd); |
3277 | install_element(ENABLE_NODE, &no_debug_rmap_cmd); | |
49a08bb0 NT |
3278 | |
3279 | install_element(RMAP_NODE, &routemap_optimization_cmd); | |
3280 | install_element(RMAP_NODE, &no_routemap_optimization_cmd); | |
2d26f094 | 3281 | |
31f937fb SM |
3282 | install_element(RMAP_NODE, &set_srte_color_cmd); |
3283 | install_element(RMAP_NODE, &no_set_srte_color_cmd); | |
3284 | ||
2d26f094 | 3285 | install_element(ENABLE_NODE, &show_route_map_pfx_tbl_cmd); |
718e3744 | 3286 | } |