forked from FRRouting/frr
-
Notifications
You must be signed in to change notification settings - Fork 2
/
Copy pathzebra_routemap.c
1455 lines (1241 loc) · 39.1 KB
/
zebra_routemap.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/* zebra routemap.
* Copyright (C) 2006 IBM Corporation
*
* This file is part of GNU Zebra.
*
* GNU Zebra is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2, or (at your option) any
* later version.
*
* GNU Zebra is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; see the file COPYING; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <zebra.h>
#include "memory.h"
#include "zebra_memory.h"
#include "prefix.h"
#include "rib.h"
#include "vty.h"
#include "routemap.h"
#include "command.h"
#include "filter.h"
#include "plist.h"
#include "nexthop.h"
#include "vrf.h"
#include "zebra/zserv.h"
#include "zebra/redistribute.h"
#include "zebra/debug.h"
#include "zebra/zebra_rnh.h"
#include "zebra/zebra_routemap.h"
static u_int32_t zebra_rmap_update_timer = ZEBRA_RMAP_DEFAULT_UPDATE_TIMER;
static struct thread *zebra_t_rmap_update = NULL;
char *proto_rm[AFI_MAX][ZEBRA_ROUTE_MAX + 1]; /* "any" == ZEBRA_ROUTE_MAX */
/* NH Tracking route map */
char *nht_rm[AFI_MAX][ZEBRA_ROUTE_MAX + 1]; /* "any" == ZEBRA_ROUTE_MAX */
char *zebra_import_table_routemap[AFI_MAX][ZEBRA_KERNEL_TABLE_MAX];
struct nh_rmap_obj {
struct nexthop *nexthop;
vrf_id_t vrf_id;
u_int32_t source_protocol;
int metric;
route_tag_t tag;
};
static void zebra_route_map_set_delay_timer(u_int32_t value);
/* Add zebra route map rule */
static int zebra_route_match_add(struct vty *vty, const char *command,
const char *arg, route_map_event_t type)
{
VTY_DECLVAR_CONTEXT(route_map_index, index);
int ret;
int retval = CMD_SUCCESS;
ret = route_map_add_match(index, command, arg);
switch (ret) {
case RMAP_RULE_MISSING:
vty_out(vty, "%% Zebra Can't find rule.\n");
retval = CMD_WARNING_CONFIG_FAILED;
break;
case RMAP_COMPILE_ERROR:
vty_out(vty, "%% Zebra Argument is malformed.\n");
retval = CMD_WARNING_CONFIG_FAILED;
break;
case RMAP_COMPILE_SUCCESS:
if (type != RMAP_EVENT_MATCH_ADDED) {
route_map_upd8_dependency(type, arg, index->map->name);
}
break;
}
return retval;
}
/* Delete zebra route map rule. */
static int zebra_route_match_delete(struct vty *vty, const char *command,
const char *arg, route_map_event_t type)
{
VTY_DECLVAR_CONTEXT(route_map_index, index);
int ret;
int retval = CMD_SUCCESS;
char *dep_name = NULL;
const char *tmpstr;
char *rmap_name = NULL;
if (type != RMAP_EVENT_MATCH_DELETED) {
/* ignore the mundane, the types without any dependency */
if (arg == NULL) {
if ((tmpstr = route_map_get_match_arg(index, command))
!= NULL)
dep_name =
XSTRDUP(MTYPE_ROUTE_MAP_RULE, tmpstr);
} else {
dep_name = XSTRDUP(MTYPE_ROUTE_MAP_RULE, arg);
}
rmap_name = XSTRDUP(MTYPE_ROUTE_MAP_NAME, index->map->name);
}
ret = route_map_delete_match(index, command, arg);
switch (ret) {
case RMAP_RULE_MISSING:
vty_out(vty, "%% Zebra Can't find rule.\n");
retval = CMD_WARNING_CONFIG_FAILED;
break;
case RMAP_COMPILE_ERROR:
vty_out(vty, "%% Zebra Argument is malformed.\n");
retval = CMD_WARNING_CONFIG_FAILED;
break;
case RMAP_COMPILE_SUCCESS:
if (type != RMAP_EVENT_MATCH_DELETED && dep_name)
route_map_upd8_dependency(type, dep_name, rmap_name);
break;
}
if (dep_name)
XFREE(MTYPE_ROUTE_MAP_RULE, dep_name);
if (rmap_name)
XFREE(MTYPE_ROUTE_MAP_NAME, rmap_name);
return retval;
}
/* 'match tag TAG'
* Match function return 1 if match is success else return 0
*/
static route_map_result_t route_match_tag(void *rule, struct prefix *prefix,
route_map_object_t type, void *object)
{
route_tag_t *tag;
struct nh_rmap_obj *nh_data;
if (type == RMAP_ZEBRA) {
tag = rule;
nh_data = object;
if (nh_data->tag == *tag)
return RMAP_MATCH;
}
return RMAP_NOMATCH;
}
/* Route map commands for tag matching */
static struct route_map_rule_cmd route_match_tag_cmd = {
"tag", route_match_tag, route_map_rule_tag_compile,
route_map_rule_tag_free,
};
/* `match interface IFNAME' */
/* Match function return 1 if match is success else return zero. */
static route_map_result_t route_match_interface(void *rule,
struct prefix *prefix,
route_map_object_t type,
void *object)
{
struct nh_rmap_obj *nh_data;
char *ifname = rule;
ifindex_t ifindex;
if (type == RMAP_ZEBRA) {
if (strcasecmp(ifname, "any") == 0)
return RMAP_MATCH;
nh_data = object;
if (!nh_data || !nh_data->nexthop)
return RMAP_NOMATCH;
ifindex = ifname2ifindex(ifname, nh_data->vrf_id);
if (ifindex == 0)
return RMAP_NOMATCH;
if (nh_data->nexthop->ifindex == ifindex)
return RMAP_MATCH;
}
return RMAP_NOMATCH;
}
/* Route map `match interface' match statement. `arg' is IFNAME value */
static void *route_match_interface_compile(const char *arg)
{
return XSTRDUP(MTYPE_ROUTE_MAP_COMPILED, arg);
}
/* Free route map's compiled `match interface' value. */
static void route_match_interface_free(void *rule)
{
XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
}
/* Route map commands for interface matching */
struct route_map_rule_cmd route_match_interface_cmd = {
"interface", route_match_interface, route_match_interface_compile,
route_match_interface_free};
DEFUN (match_ip_address_prefix_len,
match_ip_address_prefix_len_cmd,
"match ip address prefix-len (0-32)",
MATCH_STR
IP_STR
"Match prefix length of ip address\n"
"Match prefix length of ip address\n"
"Prefix length\n")
{
return zebra_route_match_add(vty, "ip address prefix-len", argv[4]->arg,
RMAP_EVENT_MATCH_ADDED);
}
DEFUN (no_match_ip_address_prefix_len,
no_match_ip_address_prefix_len_cmd,
"no match ip address prefix-len [(0-32)]",
NO_STR
MATCH_STR
IP_STR
"Match prefix length of ip address\n"
"Match prefix length of ip address\n"
"Prefix length\n")
{
char *plen = (argc == 6) ? argv[5]->arg : NULL;
return zebra_route_match_delete(vty, "ip address prefix-len", plen,
RMAP_EVENT_MATCH_DELETED);
}
DEFUN (match_ip_nexthop_prefix_len,
match_ip_nexthop_prefix_len_cmd,
"match ip next-hop prefix-len (0-32)",
MATCH_STR
IP_STR
"Match prefixlen of nexthop ip address\n"
"Match prefixlen of given nexthop\n"
"Prefix length\n")
{
return zebra_route_match_add(vty, "ip next-hop prefix-len",
argv[4]->arg, RMAP_EVENT_MATCH_ADDED);
}
DEFUN (no_match_ip_nexthop_prefix_len,
no_match_ip_nexthop_prefix_len_cmd,
"no match ip next-hop prefix-len [(0-32)]",
NO_STR
MATCH_STR
IP_STR
"Match prefixlen of nexthop ip address\n"
"Match prefix length of nexthop\n"
"Prefix length\n")
{
char *plen = (argc == 6) ? argv[5]->arg : NULL;
return zebra_route_match_delete(vty, "ip next-hop prefix-len", plen,
RMAP_EVENT_MATCH_DELETED);
}
DEFUN (match_source_protocol,
match_source_protocol_cmd,
"match source-protocol <bgp|ospf|rip|ripng|isis|ospf6|pim|nhrp|eigrp|babel|connected|system|kernel|static>",
MATCH_STR
"Match protocol via which the route was learnt\n"
"BGP protocol\n"
"OSPF protocol\n"
"RIP protocol\n"
"RIPNG protocol\n"
"ISIS protocol\n"
"OSPF6 protocol\n"
"PIM protocol\n"
"NHRP protocol\n"
"EIGRP protocol\n"
"BABEL protocol\n"
"Routes from directly connected peer\n"
"Routes from system configuration\n"
"Routes from kernel\n"
"Statically configured routes\n")
{
char *proto = argv[2]->text;
int i;
i = proto_name2num(proto);
if (i < 0) {
vty_out(vty, "invalid protocol name \"%s\"\n", proto);
return CMD_WARNING_CONFIG_FAILED;
}
return zebra_route_match_add(vty, "source-protocol", proto,
RMAP_EVENT_MATCH_ADDED);
}
DEFUN (no_match_source_protocol,
no_match_source_protocol_cmd,
"no match source-protocol [<bgp|ospf|rip|ripng|isis|ospf6|pim|nhrp|eigrp|babel|connected|system|kernel|static>]",
NO_STR
MATCH_STR
"No match protocol via which the route was learnt\n"
"BGP protocol\n"
"OSPF protocol\n"
"RIP protocol\n"
"RIPNG protocol\n"
"ISIS protocol\n"
"OSPF6 protocol\n"
"PIM protocol\n"
"NHRP protocol\n"
"EIGRP protocol\n"
"BABEL protocol\n"
"Routes from directly connected peer\n"
"Routes from system configuration\n"
"Routes from kernel\n"
"Statically configured routes\n")
{
char *proto = (argc == 4) ? argv[3]->text : NULL;
return zebra_route_match_delete(vty, "source-protocol", proto,
RMAP_EVENT_MATCH_DELETED);
}
/* set functions */
DEFUN (set_src,
set_src_cmd,
"set src <A.B.C.D|X:X::X:X>",
SET_STR
"src address for route\n"
"IPv4 src address\n"
"IPv6 src address\n")
{
int idx_ip = 2;
union g_addr src;
struct interface *pif = NULL;
int family;
struct prefix p;
struct vrf *vrf;
if (inet_pton(AF_INET, argv[idx_ip]->arg, &src.ipv4) != 1) {
if (inet_pton(AF_INET6, argv[idx_ip]->arg, &src.ipv6) != 1) {
vty_out(vty, "%% not a valid IPv4/v6 address\n");
return CMD_WARNING_CONFIG_FAILED;
}
p.family = family = AF_INET6;
p.u.prefix6 = src.ipv6;
p.prefixlen = IPV6_MAX_BITLEN;
} else {
p.family = family = AF_INET;
p.u.prefix4 = src.ipv4;
p.prefixlen = IPV4_MAX_BITLEN;
}
if (!zebra_check_addr(&p)) {
vty_out(vty, "%% not a valid source IPv4/v6 address\n");
return CMD_WARNING_CONFIG_FAILED;
}
RB_FOREACH (vrf, vrf_id_head, &vrfs_by_id) {
if (family == AF_INET)
pif = if_lookup_exact_address((void *)&src.ipv4,
AF_INET, vrf->vrf_id);
else if (family == AF_INET6)
pif = if_lookup_exact_address((void *)&src.ipv6,
AF_INET6, vrf->vrf_id);
if (pif != NULL)
break;
}
if (!pif) {
vty_out(vty, "%% not a local address\n");
return CMD_WARNING_CONFIG_FAILED;
}
VTY_DECLVAR_CONTEXT(route_map_index, index);
return generic_set_add(vty, index, "src", argv[idx_ip]->arg);
}
DEFUN (no_set_src,
no_set_src_cmd,
"no set src [<A.B.C.D|X:X::X:X>]",
NO_STR
SET_STR
"Source address for route\n"
"IPv4 address\n"
"IPv6 address\n")
{
char *ip = (argc == 4) ? argv[3]->arg : NULL;
VTY_DECLVAR_CONTEXT(route_map_index, index);
return generic_set_delete(vty, index, "src", ip);
}
DEFUN (zebra_route_map_timer,
zebra_route_map_timer_cmd,
"zebra route-map delay-timer (0-600)",
"Zebra information\n"
"Set route-map parameters\n"
"Time to wait before route-map updates are processed\n"
"0 means event-driven updates are disabled\n")
{
int idx_number = 3;
u_int32_t rmap_delay_timer;
rmap_delay_timer = strtoul(argv[idx_number]->arg, NULL, 10);
zebra_route_map_set_delay_timer(rmap_delay_timer);
return (CMD_SUCCESS);
}
DEFUN (no_zebra_route_map_timer,
no_zebra_route_map_timer_cmd,
"no zebra route-map delay-timer [(0-600)]",
NO_STR
"Zebra information\n"
"Set route-map parameters\n"
"Reset delay-timer to default value, 30 secs\n"
"0 means event-driven updates are disabled\n")
{
zebra_route_map_set_delay_timer(ZEBRA_RMAP_DEFAULT_UPDATE_TIMER);
return (CMD_SUCCESS);
}
DEFUN (ip_protocol,
ip_protocol_cmd,
"ip protocol " FRR_IP_PROTOCOL_MAP_STR_ZEBRA " route-map ROUTE-MAP",
IP_STR
"Filter routing info exchanged between zebra and protocol\n"
FRR_IP_PROTOCOL_MAP_HELP_STR_ZEBRA
"Specify route-map\n"
"Route map name\n")
{
char *proto = argv[2]->text;
char *rmap = argv[4]->arg;
int i;
if (strcasecmp(proto, "any") == 0)
i = ZEBRA_ROUTE_MAX;
else
i = proto_name2num(proto);
if (i < 0) {
vty_out(vty, "invalid protocol name \"%s\"\n", proto);
return CMD_WARNING_CONFIG_FAILED;
}
if (proto_rm[AFI_IP][i]) {
if (strcmp(proto_rm[AFI_IP][i], rmap) == 0)
return CMD_SUCCESS;
XFREE(MTYPE_ROUTE_MAP_NAME, proto_rm[AFI_IP][i]);
}
proto_rm[AFI_IP][i] = XSTRDUP(MTYPE_ROUTE_MAP_NAME, rmap);
if (IS_ZEBRA_DEBUG_RIB_DETAILED)
zlog_debug(
"%u: IPv4 Routemap config for protocol %s, scheduling RIB processing",
VRF_DEFAULT, proto);
rib_update(VRF_DEFAULT, RIB_UPDATE_RMAP_CHANGE);
return CMD_SUCCESS;
}
DEFUN (no_ip_protocol,
no_ip_protocol_cmd,
"no ip protocol " FRR_IP_PROTOCOL_MAP_STR_ZEBRA " [route-map ROUTE-MAP]",
NO_STR
IP_STR
"Stop filtering routing info between zebra and protocol\n"
FRR_IP_PROTOCOL_MAP_HELP_STR_ZEBRA
"Specify route map\n"
"Route map name\n")
{
char *proto = argv[3]->text;
char *rmap = (argc == 6) ? argv[5]->arg : NULL;
int i;
if (strcasecmp(proto, "any") == 0)
i = ZEBRA_ROUTE_MAX;
else
i = proto_name2num(proto);
if (i < 0) {
vty_out(vty, "invalid protocol name \"%s\"\n", proto);
return CMD_WARNING_CONFIG_FAILED;
}
if (!proto_rm[AFI_IP][i])
return CMD_SUCCESS;
if (!rmap || strcmp(rmap, proto_rm[AFI_IP][i]) == 0) {
XFREE(MTYPE_ROUTE_MAP_NAME, proto_rm[AFI_IP][i]);
proto_rm[AFI_IP][i] = NULL;
if (IS_ZEBRA_DEBUG_RIB_DETAILED)
zlog_debug(
"%u: IPv4 Routemap unconfig for protocol %s, scheduling RIB processing",
VRF_DEFAULT, proto);
rib_update(VRF_DEFAULT, RIB_UPDATE_RMAP_CHANGE);
}
return CMD_SUCCESS;
}
DEFUN (show_ip_protocol,
show_ip_protocol_cmd,
"show ip protocol",
SHOW_STR
IP_STR
"IP protocol filtering status\n")
{
int i;
vty_out(vty, "Protocol : route-map \n");
vty_out(vty, "------------------------\n");
for (i = 0; i < ZEBRA_ROUTE_MAX; i++) {
if (proto_rm[AFI_IP][i])
vty_out(vty, "%-10s : %-10s\n", zebra_route_string(i),
proto_rm[AFI_IP][i]);
else
vty_out(vty, "%-10s : none\n", zebra_route_string(i));
}
if (proto_rm[AFI_IP][i])
vty_out(vty, "%-10s : %-10s\n", "any", proto_rm[AFI_IP][i]);
else
vty_out(vty, "%-10s : none\n", "any");
return CMD_SUCCESS;
}
DEFUN (ipv6_protocol,
ipv6_protocol_cmd,
"ipv6 protocol " FRR_IP6_PROTOCOL_MAP_STR_ZEBRA " route-map ROUTE-MAP",
IP6_STR
"Filter IPv6 routing info exchanged between zebra and protocol\n"
FRR_IP6_PROTOCOL_MAP_HELP_STR_ZEBRA
"Specify route map\n"
"Route map name\n")
{
char *proto = argv[2]->text;
char *rmap = argv[4]->arg;
int i;
if (strcasecmp(proto, "any") == 0)
i = ZEBRA_ROUTE_MAX;
else
i = proto_name2num(proto);
if (i < 0) {
vty_out(vty, "invalid protocol name \"%s\"\n", proto);
return CMD_WARNING_CONFIG_FAILED;
}
if (proto_rm[AFI_IP6][i]) {
if (strcmp(proto_rm[AFI_IP6][i], rmap) == 0)
return CMD_SUCCESS;
XFREE(MTYPE_ROUTE_MAP_NAME, proto_rm[AFI_IP6][i]);
}
proto_rm[AFI_IP6][i] = XSTRDUP(MTYPE_ROUTE_MAP_NAME, rmap);
if (IS_ZEBRA_DEBUG_RIB_DETAILED)
zlog_debug(
"%u: IPv6 Routemap config for protocol %s, scheduling RIB processing",
VRF_DEFAULT, proto);
rib_update(VRF_DEFAULT, RIB_UPDATE_RMAP_CHANGE);
return CMD_SUCCESS;
}
DEFUN (no_ipv6_protocol,
no_ipv6_protocol_cmd,
"no ipv6 protocol " FRR_IP6_PROTOCOL_MAP_STR_ZEBRA " [route-map ROUTE-MAP]",
NO_STR
IP6_STR
"Stop filtering IPv6 routing info between zebra and protocol\n"
FRR_IP6_PROTOCOL_MAP_HELP_STR_ZEBRA
"Specify route map\n"
"Route map name\n")
{
const char *proto = argv[3]->text;
const char *rmap = (argc == 6) ? argv[5]->arg : NULL;
int i;
if (strcasecmp(proto, "any") == 0)
i = ZEBRA_ROUTE_MAX;
else
i = proto_name2num(proto);
if (i < 0) {
vty_out(vty, "invalid protocol name \"%s\"\n", proto);
return CMD_WARNING_CONFIG_FAILED;
}
if (!proto_rm[AFI_IP6][i])
return CMD_SUCCESS;
if (!rmap || strcmp(rmap, proto_rm[AFI_IP6][i]) == 0) {
XFREE(MTYPE_ROUTE_MAP_NAME, proto_rm[AFI_IP6][i]);
proto_rm[AFI_IP6][i] = NULL;
if (IS_ZEBRA_DEBUG_RIB_DETAILED)
zlog_debug(
"%u: IPv6 Routemap unconfig for protocol %s, scheduling RIB processing",
VRF_DEFAULT, proto);
rib_update(VRF_DEFAULT, RIB_UPDATE_RMAP_CHANGE);
}
return CMD_SUCCESS;
}
DEFUN (show_ipv6_protocol,
show_ipv6_protocol_cmd,
"show ipv6 protocol",
SHOW_STR
IP6_STR
"IPv6 protocol filtering status\n")
{
int i;
vty_out(vty, "Protocol : route-map \n");
vty_out(vty, "------------------------\n");
for (i = 0; i < ZEBRA_ROUTE_MAX; i++) {
if (proto_rm[AFI_IP6][i])
vty_out(vty, "%-10s : %-10s\n", zebra_route_string(i),
proto_rm[AFI_IP6][i]);
else
vty_out(vty, "%-10s : none\n", zebra_route_string(i));
}
if (proto_rm[AFI_IP6][i])
vty_out(vty, "%-10s : %-10s\n", "any", proto_rm[AFI_IP6][i]);
else
vty_out(vty, "%-10s : none\n", "any");
return CMD_SUCCESS;
}
DEFUN (ip_protocol_nht_rmap,
ip_protocol_nht_rmap_cmd,
"ip nht " FRR_IP_PROTOCOL_MAP_STR_ZEBRA " route-map ROUTE-MAP",
IP_STR
"Filter Next Hop tracking route resolution\n"
FRR_IP_PROTOCOL_MAP_HELP_STR_ZEBRA
"Specify route map\n"
"Route map name\n")
{
char *proto = argv[2]->text;
char *rmap = argv[4]->arg;
int i;
if (strcasecmp(proto, "any") == 0)
i = ZEBRA_ROUTE_MAX;
else
i = proto_name2num(proto);
if (i < 0) {
vty_out(vty, "invalid protocol name \"%s\"\n", proto);
return CMD_WARNING_CONFIG_FAILED;
}
if (nht_rm[AFI_IP][i]) {
if (strcmp(nht_rm[AFI_IP][i], rmap) == 0)
return CMD_SUCCESS;
XFREE(MTYPE_ROUTE_MAP_NAME, nht_rm[AFI_IP][i]);
}
nht_rm[AFI_IP][i] = XSTRDUP(MTYPE_ROUTE_MAP_NAME, rmap);
zebra_evaluate_rnh(0, AF_INET, 1, RNH_NEXTHOP_TYPE, NULL);
return CMD_SUCCESS;
}
DEFUN (no_ip_protocol_nht_rmap,
no_ip_protocol_nht_rmap_cmd,
"no ip nht " FRR_IP_PROTOCOL_MAP_STR_ZEBRA " [route-map ROUTE-MAP]",
NO_STR
IP_STR
"Filter Next Hop tracking route resolution\n"
FRR_IP_PROTOCOL_MAP_HELP_STR_ZEBRA
"Specify route map\n"
"Route map name\n")
{
int idx = 0;
char *proto = argv[3]->text;
char *rmap = argv_find(argv, argc, "ROUTE-MAP", &idx) ? argv[idx]->arg
: NULL;
int i = strmatch(proto, "any") ? ZEBRA_ROUTE_MAX
: proto_name2num(proto);
if (i < 0) {
vty_out(vty, "invalid protocol name \"%s\"\n", proto);
return CMD_WARNING_CONFIG_FAILED;
}
if (!nht_rm[AFI_IP][i])
return CMD_SUCCESS;
if (!rmap || strcmp(rmap, nht_rm[AFI_IP][i]) == 0) {
XFREE(MTYPE_ROUTE_MAP_NAME, nht_rm[AFI_IP][i]);
nht_rm[AFI_IP][i] = NULL;
zebra_evaluate_rnh(0, AF_INET, 1, RNH_NEXTHOP_TYPE, NULL);
}
return CMD_SUCCESS;
}
DEFUN (show_ip_protocol_nht,
show_ip_protocol_nht_cmd,
"show ip nht route-map",
SHOW_STR
IP_STR
"IP nexthop tracking table\n"
"IP Next Hop tracking filtering status\n")
{
int i;
vty_out(vty, "Protocol : route-map \n");
vty_out(vty, "------------------------\n");
for (i = 0; i < ZEBRA_ROUTE_MAX; i++) {
if (nht_rm[AFI_IP][i])
vty_out(vty, "%-10s : %-10s\n", zebra_route_string(i),
nht_rm[AFI_IP][i]);
else
vty_out(vty, "%-10s : none\n", zebra_route_string(i));
}
if (nht_rm[AFI_IP][i])
vty_out(vty, "%-10s : %-10s\n", "any", nht_rm[AFI_IP][i]);
else
vty_out(vty, "%-10s : none\n", "any");
return CMD_SUCCESS;
}
DEFUN (ipv6_protocol_nht_rmap,
ipv6_protocol_nht_rmap_cmd,
"ipv6 nht " FRR_IP6_PROTOCOL_MAP_STR_ZEBRA " route-map ROUTE-MAP",
IP6_STR
"Filter Next Hop tracking route resolution\n"
FRR_IP6_PROTOCOL_MAP_HELP_STR_ZEBRA
"Specify route map\n"
"Route map name\n")
{
char *proto = argv[2]->text;
char *rmap = argv[4]->arg;
int i;
if (strcasecmp(proto, "any") == 0)
i = ZEBRA_ROUTE_MAX;
else
i = proto_name2num(proto);
if (i < 0) {
vty_out(vty, "invalid protocol name \"%s\"\n", proto);
return CMD_WARNING_CONFIG_FAILED;
}
if (nht_rm[AFI_IP6][i])
XFREE(MTYPE_ROUTE_MAP_NAME, nht_rm[AFI_IP6][i]);
nht_rm[AFI_IP6][i] = XSTRDUP(MTYPE_ROUTE_MAP_NAME, rmap);
zebra_evaluate_rnh(0, AF_INET6, 1, RNH_NEXTHOP_TYPE, NULL);
return CMD_SUCCESS;
}
DEFUN (no_ipv6_protocol_nht_rmap,
no_ipv6_protocol_nht_rmap_cmd,
"no ipv6 nht " FRR_IP6_PROTOCOL_MAP_STR_ZEBRA " [route-map ROUTE-MAP]",
NO_STR
IP6_STR
"Filter Next Hop tracking route resolution\n"
FRR_IP6_PROTOCOL_MAP_HELP_STR_ZEBRA
"Specify route map\n"
"Route map name\n")
{
char *proto = argv[3]->text;
char *rmap = (argc == 6) ? argv[5]->arg : NULL;
int i;
if (strcasecmp(proto, "any") == 0)
i = ZEBRA_ROUTE_MAX;
else
i = proto_name2num(proto);
if (i < 0) {
vty_out(vty, "invalid protocol name \"%s\"\n", proto);
return CMD_WARNING_CONFIG_FAILED;
}
if (nht_rm[AFI_IP6][i] && rmap && strcmp(rmap, nht_rm[AFI_IP6][i])) {
vty_out(vty, "invalid route-map \"%s\"\n", rmap);
return CMD_WARNING_CONFIG_FAILED;
}
if (nht_rm[AFI_IP6][i]) {
XFREE(MTYPE_ROUTE_MAP_NAME, nht_rm[AFI_IP6][i]);
nht_rm[AFI_IP6][i] = NULL;
}
zebra_evaluate_rnh(0, AF_INET6, 1, RNH_NEXTHOP_TYPE, NULL);
return CMD_SUCCESS;
}
DEFUN (show_ipv6_protocol_nht,
show_ipv6_protocol_nht_cmd,
"show ipv6 nht route-map",
SHOW_STR
IP6_STR
"Next Hop filtering status\n"
"Route-map\n")
{
int i;
vty_out(vty, "Protocol : route-map \n");
vty_out(vty, "------------------------\n");
for (i = 0; i < ZEBRA_ROUTE_MAX; i++) {
if (nht_rm[AFI_IP6][i])
vty_out(vty, "%-10s : %-10s\n", zebra_route_string(i),
nht_rm[AFI_IP6][i]);
else
vty_out(vty, "%-10s : none\n", zebra_route_string(i));
}
if (nht_rm[AFI_IP][i])
vty_out(vty, "%-10s : %-10s\n", "any", nht_rm[AFI_IP6][i]);
else
vty_out(vty, "%-10s : none\n", "any");
return CMD_SUCCESS;
}
/*XXXXXXXXXXXXXXXXXXXXXXXXXXXX*/
/* `match ip next-hop IP_ACCESS_LIST' */
/* Match function return 1 if match is success else return zero. */
static route_map_result_t route_match_ip_next_hop(void *rule,
struct prefix *prefix,
route_map_object_t type,
void *object)
{
struct access_list *alist;
struct nh_rmap_obj *nh_data;
struct prefix_ipv4 p;
if (type == RMAP_ZEBRA) {
nh_data = object;
if (!nh_data)
return RMAP_DENYMATCH;
switch (nh_data->nexthop->type) {
case NEXTHOP_TYPE_IFINDEX:
/* Interface routes can't match ip next-hop */
return RMAP_NOMATCH;
case NEXTHOP_TYPE_IPV4_IFINDEX:
case NEXTHOP_TYPE_IPV4:
p.family = AF_INET;
p.prefix = nh_data->nexthop->gate.ipv4;
p.prefixlen = IPV4_MAX_BITLEN;
break;
default:
return RMAP_NOMATCH;
}
alist = access_list_lookup(AFI_IP, (char *)rule);
if (alist == NULL)
return RMAP_NOMATCH;
return (access_list_apply(alist, &p) == FILTER_DENY
? RMAP_NOMATCH
: RMAP_MATCH);
}
return RMAP_NOMATCH;
}
/* Route map `ip next-hop' match statement. `arg' should be
access-list name. */
static void *route_match_ip_next_hop_compile(const char *arg)
{
return XSTRDUP(MTYPE_ROUTE_MAP_COMPILED, arg);
}
/* Free route map's compiled `. */
static void route_match_ip_next_hop_free(void *rule)
{
XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
}
/* Route map commands for ip next-hop matching. */
static struct route_map_rule_cmd route_match_ip_next_hop_cmd = {
"ip next-hop", route_match_ip_next_hop, route_match_ip_next_hop_compile,
route_match_ip_next_hop_free};
/* `match ip next-hop prefix-list PREFIX_LIST' */
static route_map_result_t
route_match_ip_next_hop_prefix_list(void *rule, struct prefix *prefix,
route_map_object_t type, void *object)
{
struct prefix_list *plist;
struct nh_rmap_obj *nh_data;
struct prefix_ipv4 p;
if (type == RMAP_ZEBRA) {
nh_data = (struct nh_rmap_obj *)object;
if (!nh_data)
return RMAP_DENYMATCH;
switch (nh_data->nexthop->type) {
case NEXTHOP_TYPE_IFINDEX:
/* Interface routes can't match ip next-hop */
return RMAP_NOMATCH;
case NEXTHOP_TYPE_IPV4_IFINDEX:
case NEXTHOP_TYPE_IPV4:
p.family = AF_INET;
p.prefix = nh_data->nexthop->gate.ipv4;
p.prefixlen = IPV4_MAX_BITLEN;
break;
default:
return RMAP_NOMATCH;
}
plist = prefix_list_lookup(AFI_IP, (char *)rule);
if (plist == NULL)
return RMAP_NOMATCH;
return (prefix_list_apply(plist, &p) == PREFIX_DENY
? RMAP_NOMATCH
: RMAP_MATCH);
}
return RMAP_NOMATCH;
}
static void *route_match_ip_next_hop_prefix_list_compile(const char *arg)
{
return XSTRDUP(MTYPE_ROUTE_MAP_COMPILED, arg);
}
static void route_match_ip_next_hop_prefix_list_free(void *rule)
{
XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
}
static struct route_map_rule_cmd route_match_ip_next_hop_prefix_list_cmd = {
"ip next-hop prefix-list", route_match_ip_next_hop_prefix_list,
route_match_ip_next_hop_prefix_list_compile,
route_match_ip_next_hop_prefix_list_free};
/* `match ip address IP_ACCESS_LIST' */
/* Match function should return 1 if match is success else return
zero. */
static route_map_result_t route_match_ip_address(void *rule,
struct prefix *prefix,
route_map_object_t type,
void *object)
{
struct access_list *alist;
if (type == RMAP_ZEBRA) {
alist = access_list_lookup(AFI_IP, (char *)rule);
if (alist == NULL)
return RMAP_NOMATCH;
return (access_list_apply(alist, prefix) == FILTER_DENY
? RMAP_NOMATCH
: RMAP_MATCH);
}
return RMAP_NOMATCH;
}
/* Route map `ip address' match statement. `arg' should be
access-list name. */
static void *route_match_ip_address_compile(const char *arg)
{
return XSTRDUP(MTYPE_ROUTE_MAP_COMPILED, arg);
}
/* Free route map's compiled `ip address' value. */
static void route_match_ip_address_free(void *rule)
{
XFREE(MTYPE_ROUTE_MAP_COMPILED, rule);
}
/* Route map commands for ip address matching. */
static struct route_map_rule_cmd route_match_ip_address_cmd = {
"ip address", route_match_ip_address, route_match_ip_address_compile,
route_match_ip_address_free};
/* `match ip address prefix-list PREFIX_LIST' */
static route_map_result_t
route_match_ip_address_prefix_list(void *rule, struct prefix *prefix,
route_map_object_t type, void *object)
{
struct prefix_list *plist;
if (type == RMAP_ZEBRA) {
plist = prefix_list_lookup(AFI_IP, (char *)rule);
if (plist == NULL)
return RMAP_NOMATCH;
return (prefix_list_apply(plist, prefix) == PREFIX_DENY
? RMAP_NOMATCH
: RMAP_MATCH);
}
return RMAP_NOMATCH;
}
static void *route_match_ip_address_prefix_list_compile(const char *arg)
{
return XSTRDUP(MTYPE_ROUTE_MAP_COMPILED, arg);
}