2 * Copyright (c) 2016 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
16 #include <vnet/fib/fib_test.h>
17 #include <vnet/fib/ip6_fib.h>
18 #include <vnet/fib/ip4_fib.h>
19 #include <vnet/fib/mpls_fib.h>
20 #include <vnet/adj/adj.h>
21 #include <vnet/dpo/load_balance.h>
22 #include <vnet/dpo/load_balance_map.h>
23 #include <vnet/dpo/mpls_label_dpo.h>
24 #include <vnet/dpo/lookup_dpo.h>
25 #include <vnet/dpo/drop_dpo.h>
26 #include <vnet/dpo/receive_dpo.h>
27 #include <vnet/dpo/ip_null_dpo.h>
28 #include <vnet/bfd/bfd_main.h>
29 #include <vnet/dpo/interface_rx_dpo.h>
30 #include <vnet/dpo/replicate_dpo.h>
31 #include <vnet/dpo/dvr_dpo.h>
32 #include <vnet/dpo/mpls_disposition.h>
33 #include <vnet/dpo/punt_dpo.h>
35 #include <vnet/mpls/mpls.h>
37 #include <vnet/fib/fib_test.h>
38 #include <vnet/fib/fib_path_list.h>
39 #include <vnet/fib/fib_entry_src.h>
40 #include <vnet/fib/fib_walk.h>
41 #include <vnet/fib/fib_node_list.h>
42 #include <vnet/fib/fib_urpf_list.h>
44 #include <vlib/unix/plugin.h>
47 * Add debugs for passing tests
49 static int fib_test_do_debug;
51 #define FIB_TEST_I(_cond, _comment, _args...) \
53 int _evald = (_cond); \
55 fformat(stderr, "FAIL:%d: " _comment "\n", \
59 if (fib_test_do_debug) \
60 fformat(stderr, "PASS:%d: " _comment "\n", \
65 #define FIB_TEST(_cond, _comment, _args...) \
67 if (FIB_TEST_I(_cond, _comment, ##_args)) { \
69 ASSERT(!("FAIL: " _comment)); \
74 * A 'i'm not fussed is this is not efficient' store of test data
76 typedef struct test_main_t_ {
80 u32 hw_if_indicies[4];
84 vnet_hw_interface_t * hw[4];
87 static test_main_t test_main;
89 /* fake ethernet device class, distinct from "fake-ethX" */
90 static u8 * format_test_interface_name (u8 * s, va_list * args)
92 u32 dev_instance = va_arg (*args, u32);
93 return format (s, "test-eth%d", dev_instance);
96 static uword dummy_interface_tx (vlib_main_t * vm,
97 vlib_node_runtime_t * node,
100 clib_warning ("you shouldn't be here, leaking buffers...");
101 return frame->n_vectors;
104 static clib_error_t *
105 test_interface_admin_up_down (vnet_main_t * vnm,
109 u32 hw_flags = (flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) ?
110 VNET_HW_INTERFACE_FLAG_LINK_UP : 0;
111 vnet_hw_interface_set_flags (vnm, hw_if_index, hw_flags);
115 VNET_DEVICE_CLASS (test_interface_device_class,static) = {
116 .name = "Test interface",
117 .format_device_name = format_test_interface_name,
118 .tx_function = dummy_interface_tx,
119 .admin_up_down_function = test_interface_admin_up_down,
122 static u8 *hw_address;
125 fib_test_mk_intf (u32 ninterfaces)
127 clib_error_t * error = NULL;
128 test_main_t *tm = &test_main;
133 ASSERT(ninterfaces <= ARRAY_LEN(tm->hw_if_indicies));
138 vec_add1(hw_address, byte);
141 for (i = 0; i < ninterfaces; i++)
145 error = ethernet_register_interface(vnet_get_main(),
146 test_interface_device_class.index,
149 &tm->hw_if_indicies[i],
150 /* flag change */ 0);
152 FIB_TEST((NULL == error), "ADD interface %d", i);
154 error = vnet_hw_interface_set_flags(vnet_get_main(),
155 tm->hw_if_indicies[i],
156 VNET_HW_INTERFACE_FLAG_LINK_UP);
157 tm->hw[i] = vnet_get_hw_interface(vnet_get_main(),
158 tm->hw_if_indicies[i]);
159 vec_validate (ip4_main.fib_index_by_sw_if_index,
160 tm->hw[i]->sw_if_index);
161 vec_validate (ip6_main.fib_index_by_sw_if_index,
162 tm->hw[i]->sw_if_index);
163 ip4_main.fib_index_by_sw_if_index[tm->hw[i]->sw_if_index] = 0;
164 ip6_main.fib_index_by_sw_if_index[tm->hw[i]->sw_if_index] = 0;
166 error = vnet_sw_interface_set_flags(vnet_get_main(),
167 tm->hw[i]->sw_if_index,
168 VNET_SW_INTERFACE_FLAG_ADMIN_UP);
169 FIB_TEST((NULL == error), "UP interface %d", i);
172 * re-eval after the inevitable realloc
174 for (i = 0; i < ninterfaces; i++)
176 tm->hw[i] = vnet_get_hw_interface(vnet_get_main(),
177 tm->hw_if_indicies[i]);
183 #define FIB_TEST_REC_FORW(_rec_prefix, _via_prefix, _bucket) \
185 const dpo_id_t *_rec_dpo = fib_entry_contribute_ip_forwarding( \
186 fib_table_lookup_exact_match(fib_index, (_rec_prefix))); \
187 const dpo_id_t *_via_dpo = fib_entry_contribute_ip_forwarding( \
188 fib_table_lookup(fib_index, (_via_prefix))); \
189 FIB_TEST(!dpo_cmp(_via_dpo, \
190 load_balance_get_bucket(_rec_dpo->dpoi_index, \
192 "%U is recursive via %U", \
193 format_fib_prefix, (_rec_prefix), \
194 format_fib_prefix, _via_prefix); \
197 #define FIB_TEST_LB_BUCKET_VIA_ADJ(_prefix, _bucket, _ai) \
199 const dpo_id_t *_dpo = fib_entry_contribute_ip_forwarding( \
200 fib_table_lookup_exact_match(fib_index, (_prefix))); \
201 const dpo_id_t *_dpo1 = \
202 load_balance_get_bucket(_dpo->dpoi_index, _bucket); \
203 FIB_TEST(DPO_ADJACENCY == _dpo1->dpoi_type, "type is %U", \
204 format_dpo_type, _dpo1->dpoi_type); \
205 FIB_TEST((_ai == _dpo1->dpoi_index), \
206 "%U bucket %d resolves via %U", \
207 format_fib_prefix, (_prefix), \
209 format_dpo_id, _dpo1, 0); \
212 #define FIB_TEST_RPF(_cond, _comment, _args...) \
214 if (FIB_TEST_I(_cond, _comment, ##_args)) { \
221 fib_test_urpf_is_equal (fib_node_index_t fei,
222 fib_forward_chain_type_t fct,
225 dpo_id_t dpo = DPO_INVALID;
226 fib_urpf_list_t *urpf;
234 fib_entry_contribute_forwarding(fei, fct, &dpo);
235 ui = load_balance_get_urpf(dpo.dpoi_index);
237 urpf = fib_urpf_list_get(ui);
239 FIB_TEST_RPF(num == vec_len(urpf->furpf_itfs),
240 "RPF:%U len %d == %d",
241 format_fib_urpf_list, ui,
242 num, vec_len(urpf->furpf_itfs));
243 FIB_TEST_RPF(num == fib_urpf_check_size(ui),
244 "RPF:%U check-size %d == %d",
245 format_fib_urpf_list, ui,
246 num, vec_len(urpf->furpf_itfs));
248 for (ii = 0; ii < num; ii++)
250 adj_index_t ai = va_arg(ap, adj_index_t);
252 FIB_TEST_RPF(ai == urpf->furpf_itfs[ii],
253 "RPF:%d item:%d - %d == %d",
254 ui, ii, ai, urpf->furpf_itfs[ii]);
255 FIB_TEST_RPF(fib_urpf_check(ui, ai),
269 fib_test_build_rewrite (u8 *eth_addr)
273 vec_validate(rewrite, 13);
275 memcpy(rewrite, eth_addr, 6);
276 memcpy(rewrite+6, eth_addr, 6);
281 #define FIB_TEST_LB(_cond, _comment, _args...) \
283 if (FIB_TEST_I(_cond, _comment, ##_args)) { \
289 fib_test_validate_rep_v (const replicate_t *rep,
293 const fib_test_rep_bucket_t *exp;
298 FIB_TEST_LB((n_buckets == rep->rep_n_buckets),
299 "n_buckets = %d", rep->rep_n_buckets);
301 for (bucket = 0; bucket < n_buckets; bucket++)
303 exp = va_arg(*ap, fib_test_rep_bucket_t*);
305 dpo = replicate_get_bucket_i(rep, bucket);
309 case FT_REP_LABEL_O_ADJ:
311 const mpls_label_dpo_t *mld;
314 FIB_TEST_LB((mpls_label_dpo_get_type(MPLS_LABEL_DPO_FLAG_NONE)
316 "bucket %d stacks on %U",
318 format_dpo_type, dpo->dpoi_type);
320 mld = mpls_label_dpo_get(dpo->dpoi_index);
321 hdr = clib_net_to_host_u32(mld->mld_hdr[0].label_exp_s_ttl);
323 FIB_TEST_LB((vnet_mpls_uc_get_label(hdr) ==
324 exp->label_o_adj.label),
325 "bucket %d stacks on label %d",
327 exp->label_o_adj.label);
329 FIB_TEST_LB((vnet_mpls_uc_get_s(hdr) ==
330 exp->label_o_adj.eos),
331 "bucket %d stacks on label %d %U",
333 exp->label_o_adj.label,
334 format_mpls_eos_bit, exp->label_o_adj.eos);
336 FIB_TEST_LB((DPO_ADJACENCY_INCOMPLETE == mld->mld_dpo.dpoi_type),
337 "bucket %d label stacks on %U",
339 format_dpo_type, mld->mld_dpo.dpoi_type);
341 FIB_TEST_LB((exp->label_o_adj.adj == mld->mld_dpo.dpoi_index),
342 "bucket %d label stacks on adj %d",
344 exp->label_o_adj.adj);
348 FIB_TEST_LB((DPO_INTERFACE_RX == dpo->dpoi_type),
349 "bucket %d stacks on %U",
351 format_dpo_type, dpo->dpoi_type);
353 FIB_TEST_LB((exp->adj.adj == dpo->dpoi_index),
354 "bucket %d stacks on adj %d",
358 case FT_REP_DISP_MFIB_LOOKUP:
368 fib_test_validate_lb_v (const load_balance_t *lb,
376 FIB_TEST_LB((n_buckets == lb->lb_n_buckets), "n_buckets = %d", lb->lb_n_buckets);
378 for (bucket = 0; bucket < n_buckets; bucket++)
380 const fib_test_lb_bucket_t *exp;
382 exp = va_arg(*ap, fib_test_lb_bucket_t*);
383 dpo = load_balance_get_bucket_i(lb, bucket);
387 case FT_LB_LABEL_STACK_O_ADJ:
389 const mpls_label_dpo_t *mld;
390 mpls_label_dpo_flags_t mf;
394 mf = ((exp->label_stack_o_adj.mode ==
395 FIB_MPLS_LSP_MODE_UNIFORM) ?
396 MPLS_LABEL_DPO_FLAG_UNIFORM_MODE :
397 MPLS_LABEL_DPO_FLAG_NONE);
398 FIB_TEST_LB((mpls_label_dpo_get_type(mf) == dpo->dpoi_type),
399 "bucket %d stacks on %U",
401 format_dpo_type, dpo->dpoi_type);
403 mld = mpls_label_dpo_get(dpo->dpoi_index);
405 FIB_TEST_LB(exp->label_stack_o_adj.label_stack_size == mld->mld_n_labels,
409 for (ii = 0; ii < mld->mld_n_labels; ii++)
411 hdr = clib_net_to_host_u32(mld->mld_hdr[ii].label_exp_s_ttl);
412 FIB_TEST_LB((vnet_mpls_uc_get_label(hdr) ==
413 exp->label_stack_o_adj.label_stack[ii]),
414 "bucket %d stacks on label %d",
416 exp->label_stack_o_adj.label_stack[ii]);
418 if (ii == mld->mld_n_labels-1)
420 FIB_TEST_LB((vnet_mpls_uc_get_s(hdr) ==
421 exp->label_o_adj.eos),
422 "bucket %d stacks on label %d %U!=%U",
424 exp->label_stack_o_adj.label_stack[ii],
425 format_mpls_eos_bit, exp->label_o_adj.eos,
426 format_mpls_eos_bit, vnet_mpls_uc_get_s(hdr));
430 FIB_TEST_LB((vnet_mpls_uc_get_s(hdr) == MPLS_NON_EOS),
431 "bucket %d stacks on label %d %U",
433 exp->label_stack_o_adj.label_stack[ii],
434 format_mpls_eos_bit, vnet_mpls_uc_get_s(hdr));
438 FIB_TEST_LB((DPO_ADJACENCY_INCOMPLETE == mld->mld_dpo.dpoi_type),
439 "bucket %d label stacks on %U",
441 format_dpo_type, mld->mld_dpo.dpoi_type);
443 FIB_TEST_LB((exp->label_stack_o_adj.adj == mld->mld_dpo.dpoi_index),
444 "bucket %d label stacks on adj %d",
446 exp->label_stack_o_adj.adj);
449 case FT_LB_LABEL_O_ADJ:
451 const mpls_label_dpo_t *mld;
453 FIB_TEST_LB((mpls_label_dpo_get_type(MPLS_LABEL_DPO_FLAG_NONE)
455 "bucket %d stacks on %U",
457 format_dpo_type, dpo->dpoi_type);
459 mld = mpls_label_dpo_get(dpo->dpoi_index);
460 hdr = clib_net_to_host_u32(mld->mld_hdr[0].label_exp_s_ttl);
462 FIB_TEST_LB((vnet_mpls_uc_get_label(hdr) ==
463 exp->label_o_adj.label),
464 "bucket %d stacks on label %d",
466 exp->label_o_adj.label);
468 FIB_TEST_LB((vnet_mpls_uc_get_s(hdr) ==
469 exp->label_o_adj.eos),
470 "bucket %d stacks on label %d %U",
472 exp->label_o_adj.label,
473 format_mpls_eos_bit, exp->label_o_adj.eos);
475 FIB_TEST_LB((DPO_ADJACENCY_INCOMPLETE == mld->mld_dpo.dpoi_type),
476 "bucket %d label stacks on %U",
478 format_dpo_type, mld->mld_dpo.dpoi_type);
480 FIB_TEST_LB((exp->label_o_adj.adj == mld->mld_dpo.dpoi_index),
481 "bucket %d label stacks on adj %d",
483 exp->label_o_adj.adj);
486 case FT_LB_LABEL_O_LB:
488 const mpls_label_dpo_t *mld;
489 mpls_label_dpo_flags_t mf;
492 mf = ((exp->label_o_lb.mode ==
493 FIB_MPLS_LSP_MODE_UNIFORM) ?
494 MPLS_LABEL_DPO_FLAG_UNIFORM_MODE :
495 MPLS_LABEL_DPO_FLAG_NONE);
496 FIB_TEST_LB((mpls_label_dpo_get_type(mf) == dpo->dpoi_type),
497 "bucket %d stacks on %U",
499 format_dpo_type, dpo->dpoi_type);
501 mld = mpls_label_dpo_get(dpo->dpoi_index);
502 hdr = clib_net_to_host_u32(mld->mld_hdr[0].label_exp_s_ttl);
504 FIB_TEST_LB(1 == mld->mld_n_labels, "label stack size",
506 FIB_TEST_LB((vnet_mpls_uc_get_label(hdr) ==
507 exp->label_o_lb.label),
508 "bucket %d stacks on label %d",
510 exp->label_o_lb.label);
512 FIB_TEST_LB((vnet_mpls_uc_get_s(hdr) ==
513 exp->label_o_lb.eos),
514 "bucket %d stacks on label %d %U",
516 exp->label_o_lb.label,
517 format_mpls_eos_bit, exp->label_o_lb.eos);
519 FIB_TEST_LB((DPO_LOAD_BALANCE == mld->mld_dpo.dpoi_type),
520 "bucket %d label stacks on %U",
522 format_dpo_type, mld->mld_dpo.dpoi_type);
524 FIB_TEST_LB((exp->label_o_lb.lb == mld->mld_dpo.dpoi_index),
525 "bucket %d label stacks on LB %d",
531 res = FIB_TEST_I(((DPO_ADJACENCY == dpo->dpoi_type) ||
532 (DPO_ADJACENCY_INCOMPLETE == dpo->dpoi_type)),
533 "bucket %d stacks on %U",
535 format_dpo_type, dpo->dpoi_type);
536 FIB_TEST_LB((exp->adj.adj == dpo->dpoi_index),
537 "bucket %d stacks on adj %d",
541 case FT_LB_MPLS_DISP_PIPE_O_ADJ:
543 const mpls_disp_dpo_t *mdd;
545 res = FIB_TEST_I((DPO_MPLS_DISPOSITION_PIPE == dpo->dpoi_type),
546 "bucket %d stacks on %U",
548 format_dpo_type, dpo->dpoi_type);
550 mdd = mpls_disp_dpo_get(dpo->dpoi_index);
554 res = FIB_TEST_I(((DPO_ADJACENCY == dpo->dpoi_type) ||
555 (DPO_ADJACENCY_INCOMPLETE == dpo->dpoi_type)),
556 "bucket %d stacks on %U",
558 format_dpo_type, dpo->dpoi_type);
559 FIB_TEST_LB((exp->adj.adj == dpo->dpoi_index),
560 "bucket %d stacks on adj %d",
566 res = FIB_TEST_I((DPO_INTERFACE_RX == dpo->dpoi_type),
567 "bucket %d stacks on %U",
569 format_dpo_type, dpo->dpoi_type);
570 FIB_TEST_LB((exp->adj.adj == dpo->dpoi_index),
571 "bucket %d stacks on adj %d",
576 res = FIB_TEST_I((DPO_DVR == dpo->dpoi_type),
577 "bucket %d stacks on %U",
579 format_dpo_type, dpo->dpoi_type);
580 FIB_TEST_LB((exp->adj.adj == dpo->dpoi_index),
581 "bucket %d stacks on adj %d",
586 res = FIB_TEST_I((DPO_LOAD_BALANCE == dpo->dpoi_type),
587 "bucket %d stacks on %U",
589 format_dpo_type, dpo->dpoi_type);
590 FIB_TEST_LB((exp->lb.lb == dpo->dpoi_index),
591 "bucket %d stacks on lb %d not %d",
596 case FT_LB_BIER_TABLE:
597 FIB_TEST_LB((DPO_BIER_TABLE == dpo->dpoi_type),
598 "bucket %d stacks on %U",
600 format_dpo_type, dpo->dpoi_type);
601 FIB_TEST_LB((exp->bier.table == dpo->dpoi_index),
602 "bucket %d stacks on lb %d",
606 case FT_LB_BIER_FMASK:
607 FIB_TEST_LB((DPO_BIER_FMASK == dpo->dpoi_type),
608 "bucket %d stacks on %U",
610 format_dpo_type, dpo->dpoi_type);
611 FIB_TEST_LB((exp->bier.fmask == dpo->dpoi_index),
612 "bucket %d stacks on lb %d",
617 FIB_TEST_LB((DPO_DROP == dpo->dpoi_type),
618 "bucket %d stacks on %U",
620 format_dpo_type, dpo->dpoi_type);
623 FIB_TEST_LB((DPO_PUNT == dpo->dpoi_type),
624 "bucket %d stacks on %U",
626 format_dpo_type, dpo->dpoi_type);
634 fib_test_validate_lb (const dpo_id_t *dpo,
638 const load_balance_t *lb;
643 va_start(ap, n_buckets);
645 if (!FIB_TEST_I((DPO_LOAD_BALANCE == dpo->dpoi_type),
647 format_dpo_type, dpo->dpoi_type))
649 lb = load_balance_get(dpo->dpoi_index);
651 res = fib_test_validate_lb_v(lb, n_buckets, &ap);
664 fib_test_validate_entry (fib_node_index_t fei,
665 fib_forward_chain_type_t fct,
669 dpo_id_t dpo = DPO_INVALID;
670 const fib_prefix_t *pfx;
678 pfx = fib_entry_get_prefix(fei);
679 fib_index = fib_entry_get_fib_index(fei);
680 fib_entry_contribute_forwarding(fei, fct, &dpo);
682 if (DPO_REPLICATE == dpo.dpoi_type)
684 const replicate_t *rep;
686 va_start(ap, n_buckets);
687 rep = replicate_get(dpo.dpoi_index);
688 res = fib_test_validate_rep_v(rep, n_buckets, &ap);
693 const load_balance_t *lb;
695 FIB_TEST_LB((DPO_LOAD_BALANCE == dpo.dpoi_type),
696 "%U Entry links to %U",
697 format_fib_prefix, pfx,
698 format_dpo_type, dpo.dpoi_type);
700 va_start(ap, n_buckets);
701 lb = load_balance_get(dpo.dpoi_index);
702 res = fib_test_validate_lb_v(lb, n_buckets, &ap);
706 * ensure that the LB contributed by the entry is the
707 * same as the LB in the forwarding tables
709 if (fct == fib_entry_get_default_chain_type(fib_entry_get(fei)))
711 switch (pfx->fp_proto)
713 case FIB_PROTOCOL_IP4:
714 fw_lbi = ip4_fib_forwarding_lookup(fib_index, &pfx->fp_addr.ip4);
716 case FIB_PROTOCOL_IP6:
717 fw_lbi = ip6_fib_table_fwding_lookup(&ip6_main, fib_index, &pfx->fp_addr.ip6);
719 case FIB_PROTOCOL_MPLS:
721 mpls_unicast_header_t hdr = {
722 .label_exp_s_ttl = 0,
725 vnet_mpls_uc_set_label(&hdr.label_exp_s_ttl, pfx->fp_label);
726 vnet_mpls_uc_set_s(&hdr.label_exp_s_ttl, pfx->fp_eos);
727 hdr.label_exp_s_ttl = clib_host_to_net_u32(hdr.label_exp_s_ttl);
729 fw_lbi = mpls_fib_table_forwarding_lookup(fib_index, &hdr);
735 FIB_TEST_LB((fw_lbi == dpo.dpoi_index),
736 "Contributed LB = FW LB:\n fwd:%U\n cont:%U",
737 format_load_balance, fw_lbi, 0,
738 format_load_balance, dpo.dpoi_index, 0);
751 * In the default table check for the presence and correct forwarding
752 * of the special entries
754 fib_node_index_t dfrt, fei, ai, ai2, locked_ai, ai_01, ai_02, ai_03;
755 const dpo_id_t *dpo, *dpo1, *dpo2, *dpo_drop;
756 const ip_adjacency_t *adj;
757 const load_balance_t *lb;
765 ip46_address_t nh_10_10_10_1 = {
766 .ip4.as_u32 = clib_host_to_net_u32(0x0a0a0a01),
769 ip46_address_t nh_10_10_10_2 = {
770 .ip4.as_u32 = clib_host_to_net_u32(0x0a0a0a02),
773 FIB_TEST((0 == pool_elts(load_balance_map_pool)), "LB-map pool size is %d",
774 pool_elts(load_balance_map_pool));
778 /* record the nubmer of load-balances in use before we start */
779 lb_count = pool_elts(load_balance_pool);
781 /* Find or create FIB table 11 */
782 fib_index = fib_table_find_or_create_and_lock(FIB_PROTOCOL_IP4, 11,
785 for (ii = 0; ii < 4; ii++)
787 ip4_main.fib_index_by_sw_if_index[tm->hw[ii]->sw_if_index] = fib_index;
790 fib_prefix_t pfx_0_0_0_0_s_0 = {
792 .fp_proto = FIB_PROTOCOL_IP4,
802 .fp_proto = FIB_PROTOCOL_IP4,
810 dpo_drop = drop_dpo_get(DPO_PROTO_IP4);
812 dfrt = fib_table_lookup(fib_index, &pfx_0_0_0_0_s_0);
813 FIB_TEST((FIB_NODE_INDEX_INVALID != dfrt), "default route present");
814 FIB_TEST(load_balance_is_drop(fib_entry_contribute_ip_forwarding(dfrt)),
815 "Default route is DROP");
818 fei = fib_table_lookup(fib_index, &pfx);
819 FIB_TEST((FIB_NODE_INDEX_INVALID != fei), "all zeros route present");
820 FIB_TEST(load_balance_is_drop(fib_entry_contribute_ip_forwarding(fei)),
821 "all 0s route is DROP");
823 pfx.fp_addr.ip4.as_u32 = clib_host_to_net_u32(0xffffffff);
825 fei = fib_table_lookup(fib_index, &pfx);
826 FIB_TEST((FIB_NODE_INDEX_INVALID != fei), "all ones route present");
827 FIB_TEST(load_balance_is_drop(fib_entry_contribute_ip_forwarding(fei)),
828 "all 1s route is DROP");
830 pfx.fp_addr.ip4.as_u32 = clib_host_to_net_u32(0xe0000000);
832 fei = fib_table_lookup(fib_index, &pfx);
833 FIB_TEST((FIB_NODE_INDEX_INVALID != fei), "all-mcast route present");
834 FIB_TEST(load_balance_is_drop(fib_entry_contribute_ip_forwarding(fei)),
835 "all-mcast route is DROP");
837 pfx.fp_addr.ip4.as_u32 = clib_host_to_net_u32(0xf0000000);
839 fei = fib_table_lookup(fib_index, &pfx);
840 FIB_TEST((FIB_NODE_INDEX_INVALID != fei), "class-e route present");
841 FIB_TEST(load_balance_is_drop(fib_entry_contribute_ip_forwarding(fei)),
842 "class-e route is DROP");
845 * at this stage there are 5 entries in the test FIB (plus 5 in the default),
846 * all of which are special sourced and so none of which share path-lists.
847 * There are also 2 entries, and 2 non-shared path-lists, in the v6 default
848 * table, and 4 path-lists in the v6 MFIB table
855 * if the IGMP plugin is loaded this adds two more entries to the v4 MFIB
857 FIB_TEST((0 == fib_path_list_db_size()), "path list DB is empty");
858 FIB_TEST((PNBR == fib_path_list_pool_size()), "path list pool size is %d",
859 fib_path_list_pool_size());
860 FIB_TEST((ENBR == fib_entry_pool_size()), "entry pool size is %d",
861 fib_entry_pool_size());
864 * add interface routes.
865 * validate presence of /24 attached and /32 recieve.
866 * test for the presence of the receive address in the glean and local adj
868 fib_prefix_t local_pfx = {
870 .fp_proto = FIB_PROTOCOL_IP4,
873 .as_u32 = clib_host_to_net_u32(0x0a0a0a0a),
878 fib_table_entry_update_one_path(fib_index, &local_pfx,
879 FIB_SOURCE_INTERFACE,
880 (FIB_ENTRY_FLAG_CONNECTED |
881 FIB_ENTRY_FLAG_ATTACHED),
884 tm->hw[0]->sw_if_index,
885 ~0, // invalid fib index
888 FIB_ROUTE_PATH_FLAG_NONE);
889 fei = fib_table_lookup(fib_index, &local_pfx);
890 FIB_TEST((FIB_NODE_INDEX_INVALID != fei), "attached interface route present");
891 FIB_TEST(((FIB_ENTRY_FLAG_ATTACHED | FIB_ENTRY_FLAG_CONNECTED) ==
892 fib_entry_get_flags(fei)),
893 "Flags set on attached interface");
895 ai = fib_entry_get_adj(fei);
896 FIB_TEST((FIB_NODE_INDEX_INVALID != ai),
897 "attached interface route adj present %d", ai);
899 FIB_TEST((IP_LOOKUP_NEXT_GLEAN == adj->lookup_next_index),
900 "attached interface adj is glean");
901 FIB_TEST((0 == ip46_address_cmp(&local_pfx.fp_addr,
902 &adj->sub_type.glean.receive_addr)),
903 "attached interface adj is receive ok");
905 local_pfx.fp_len = 32;
906 fib_table_entry_update_one_path(fib_index, &local_pfx,
907 FIB_SOURCE_INTERFACE,
908 (FIB_ENTRY_FLAG_CONNECTED |
909 FIB_ENTRY_FLAG_LOCAL),
912 tm->hw[0]->sw_if_index,
913 ~0, // invalid fib index
916 FIB_ROUTE_PATH_FLAG_NONE);
917 fei = fib_table_lookup(fib_index, &local_pfx);
918 FIB_TEST(((FIB_ENTRY_FLAG_LOCAL | FIB_ENTRY_FLAG_CONNECTED) ==
919 fib_entry_get_flags(fei)),
920 "Flags set on local interface");
922 FIB_TEST((FIB_NODE_INDEX_INVALID != fei), "local interface route present");
924 dpo = fib_entry_contribute_ip_forwarding(fei);
925 FIB_TEST(!fib_test_urpf_is_equal(fei, FIB_FORW_CHAIN_TYPE_UNICAST_IP4, 0),
926 "RPF list for local length 0");
927 dpo = load_balance_get_bucket(dpo->dpoi_index, 0);
928 FIB_TEST((DPO_RECEIVE == dpo->dpoi_type),
929 "local interface adj is local");
930 receive_dpo_t *rd = receive_dpo_get(dpo->dpoi_index);
932 FIB_TEST((0 == ip46_address_cmp(&local_pfx.fp_addr,
934 "local interface adj is receive ok");
936 FIB_TEST((2 == fib_table_get_num_entries(fib_index,
938 FIB_SOURCE_INTERFACE)),
939 "2 Interface Source'd prefixes");
942 * +2 interface routes +2 non-shared path-lists
944 FIB_TEST((0 == fib_path_list_db_size()), "path list DB is empty");
945 FIB_TEST((PNBR+2 == fib_path_list_pool_size()), "path list pool size is%d",
946 fib_path_list_pool_size());
947 FIB_TEST((ENBR+2 == fib_entry_pool_size()), "entry pool size is %d",
948 fib_entry_pool_size());
951 * Modify the default route to be via an adj not yet known.
952 * this sources the defalut route with the API source, which is
953 * a higher preference to the DEFAULT_ROUTE source
955 pfx.fp_addr.ip4.as_u32 = 0;
957 fib_table_entry_path_add(fib_index, &pfx,
962 tm->hw[0]->sw_if_index,
963 ~0, // invalid fib index
966 FIB_ROUTE_PATH_FLAG_NONE);
967 fei = fib_table_lookup(fib_index, &pfx);
968 FIB_TEST((FIB_ENTRY_FLAG_NONE == fib_entry_get_flags(fei)),
969 "Flags set on API route");
971 FIB_TEST((fei == dfrt), "default route same index");
972 ai = fib_entry_get_adj(fei);
973 FIB_TEST((FIB_NODE_INDEX_INVALID != ai), "default route adj present");
975 FIB_TEST((IP_LOOKUP_NEXT_ARP == adj->lookup_next_index),
976 "adj is incomplete");
977 FIB_TEST((0 == ip46_address_cmp(&nh_10_10_10_1, &adj->sub_type.nbr.next_hop)),
978 "adj nbr next-hop ok");
979 FIB_TEST((1 == fib_table_get_num_entries(fib_index,
982 "1 API Source'd prefixes");
985 * find the adj in the shared db
987 locked_ai = adj_nbr_add_or_lock(FIB_PROTOCOL_IP4,
990 tm->hw[0]->sw_if_index);
991 FIB_TEST((locked_ai == ai), "ADJ NBR DB find");
992 adj_unlock(locked_ai);
995 * +1 shared path-list
997 FIB_TEST((1 == fib_path_list_db_size()), "path list DB population:%d",
998 fib_path_list_db_size());
999 FIB_TEST((PNBR+3 == fib_path_list_pool_size()), "path list pool size is%d",
1000 fib_path_list_pool_size());
1001 FIB_TEST((ENBR+2 == fib_entry_pool_size()), "entry pool size is %d",
1002 fib_entry_pool_size());
1005 * remove the API source from the default route. We expected
1006 * the route to remain, sourced by DEFAULT_ROUTE, and hence a DROP
1008 pfx.fp_addr.ip4.as_u32 = 0;
1010 fib_table_entry_path_remove(fib_index, &pfx,
1014 tm->hw[0]->sw_if_index,
1015 ~0, // non-recursive path, so no FIB index
1017 FIB_ROUTE_PATH_FLAG_NONE);
1019 fei = fib_table_lookup(fib_index, &pfx);
1021 FIB_TEST((fei == dfrt), "default route same index");
1022 FIB_TEST(load_balance_is_drop(fib_entry_contribute_ip_forwarding(fei)),
1023 "Default route is DROP");
1026 * -1 shared-path-list
1028 FIB_TEST((0 == fib_path_list_db_size()), "path list DB is empty");
1029 FIB_TEST((PNBR+2 == fib_path_list_pool_size()), "path list pool size is%d",
1030 fib_path_list_pool_size());
1031 FIB_TEST((ENBR+2 == fib_entry_pool_size()), "entry pool size is %d",
1032 fib_entry_pool_size());
1035 * Add an 2 ARP entry => a complete ADJ plus adj-fib.
1037 fib_prefix_t pfx_10_10_10_1_s_32 = {
1039 .fp_proto = FIB_PROTOCOL_IP4,
1042 .ip4.as_u32 = clib_host_to_net_u32(0x0a0a0a01),
1045 fib_prefix_t pfx_10_10_10_2_s_32 = {
1047 .fp_proto = FIB_PROTOCOL_IP4,
1050 .ip4.as_u32 = clib_host_to_net_u32(0x0a0a0a02),
1053 fib_prefix_t pfx_11_11_11_11_s_32 = {
1055 .fp_proto = FIB_PROTOCOL_IP4,
1058 .ip4.as_u32 = clib_host_to_net_u32(0x0b0b0b0b),
1062 0xde, 0xde, 0xde, 0xba, 0xba, 0xba,
1065 ip46_address_t nh_12_12_12_12 = {
1066 .ip4.as_u32 = clib_host_to_net_u32(0x0c0c0c0c),
1068 adj_index_t ai_12_12_12_12;
1071 * Add a route via an incomplete ADJ. then complete the ADJ
1072 * Expect the route LB is updated to use complete adj type.
1074 fei = fib_table_entry_update_one_path(fib_index,
1075 &pfx_11_11_11_11_s_32,
1077 FIB_ENTRY_FLAG_ATTACHED,
1079 &pfx_10_10_10_1_s_32.fp_addr,
1080 tm->hw[0]->sw_if_index,
1081 ~0, // invalid fib index
1084 FIB_ROUTE_PATH_FLAG_NONE);
1086 dpo = fib_entry_contribute_ip_forwarding(fei);
1087 dpo1 = load_balance_get_bucket(dpo->dpoi_index, 0);
1088 FIB_TEST(DPO_ADJACENCY_INCOMPLETE == dpo1->dpoi_type,
1089 "11.11.11.11/32 via incomplete adj");
1091 ai_01 = adj_nbr_add_or_lock(FIB_PROTOCOL_IP4,
1093 &pfx_10_10_10_1_s_32.fp_addr,
1094 tm->hw[0]->sw_if_index);
1095 FIB_TEST((FIB_NODE_INDEX_INVALID != ai_01), "adj created");
1096 adj = adj_get(ai_01);
1097 FIB_TEST((IP_LOOKUP_NEXT_ARP == adj->lookup_next_index),
1098 "adj is incomplete");
1099 FIB_TEST((0 == ip46_address_cmp(&pfx_10_10_10_1_s_32.fp_addr,
1100 &adj->sub_type.nbr.next_hop)),
1101 "adj nbr next-hop ok");
1103 adj_nbr_update_rewrite(ai_01, ADJ_NBR_REWRITE_FLAG_COMPLETE,
1104 fib_test_build_rewrite(eth_addr));
1105 FIB_TEST((IP_LOOKUP_NEXT_REWRITE == adj->lookup_next_index),
1107 FIB_TEST((0 == ip46_address_cmp(&pfx_10_10_10_1_s_32.fp_addr,
1108 &adj->sub_type.nbr.next_hop)),
1109 "adj nbr next-hop ok");
1110 ai = fib_entry_get_adj(fei);
1111 FIB_TEST((ai_01 == ai), "ADJ-FIB resolves via adj");
1113 dpo = fib_entry_contribute_ip_forwarding(fei);
1114 dpo1 = load_balance_get_bucket(dpo->dpoi_index, 0);
1115 FIB_TEST(DPO_ADJACENCY == dpo1->dpoi_type,
1116 "11.11.11.11/32 via complete adj");
1117 FIB_TEST(!fib_test_urpf_is_equal(fei, FIB_FORW_CHAIN_TYPE_UNICAST_IP4, 1,
1118 tm->hw[0]->sw_if_index),
1119 "RPF list for adj-fib contains adj");
1121 ai_12_12_12_12 = adj_nbr_add_or_lock(FIB_PROTOCOL_IP4,
1124 tm->hw[1]->sw_if_index);
1125 FIB_TEST((FIB_NODE_INDEX_INVALID != ai_12_12_12_12), "adj created");
1126 adj = adj_get(ai_12_12_12_12);
1127 FIB_TEST((IP_LOOKUP_NEXT_ARP == adj->lookup_next_index),
1128 "adj is incomplete");
1129 FIB_TEST((0 == ip46_address_cmp(&nh_12_12_12_12,
1130 &adj->sub_type.nbr.next_hop)),
1131 "adj nbr next-hop ok");
1132 adj_nbr_update_rewrite(ai_12_12_12_12, ADJ_NBR_REWRITE_FLAG_COMPLETE,
1133 fib_test_build_rewrite(eth_addr));
1134 FIB_TEST((IP_LOOKUP_NEXT_REWRITE == adj->lookup_next_index),
1140 fei = fib_table_entry_path_add(fib_index,
1141 &pfx_10_10_10_1_s_32,
1143 FIB_ENTRY_FLAG_ATTACHED,
1145 &pfx_10_10_10_1_s_32.fp_addr,
1146 tm->hw[0]->sw_if_index,
1147 ~0, // invalid fib index
1150 FIB_ROUTE_PATH_FLAG_NONE);
1151 FIB_TEST((FIB_ENTRY_FLAG_ATTACHED == fib_entry_get_flags(fei)),
1152 "Flags set on adj-fib");
1153 ai = fib_entry_get_adj(fei);
1154 FIB_TEST((ai_01 == ai), "ADJ-FIB resolves via adj, %d", ai);
1156 fib_table_entry_path_remove(fib_index,
1157 &pfx_11_11_11_11_s_32,
1160 &pfx_10_10_10_1_s_32.fp_addr,
1161 tm->hw[0]->sw_if_index,
1162 ~0, // invalid fib index
1164 FIB_ROUTE_PATH_FLAG_NONE);
1168 ai_02 = adj_nbr_add_or_lock(FIB_PROTOCOL_IP4,
1170 &pfx_10_10_10_2_s_32.fp_addr,
1171 tm->hw[0]->sw_if_index);
1172 FIB_TEST((FIB_NODE_INDEX_INVALID != ai_02), "adj created");
1173 adj = adj_get(ai_02);
1174 FIB_TEST((IP_LOOKUP_NEXT_ARP == adj->lookup_next_index),
1175 "adj is incomplete");
1176 FIB_TEST((0 == ip46_address_cmp(&pfx_10_10_10_2_s_32.fp_addr,
1177 &adj->sub_type.nbr.next_hop)),
1178 "adj nbr next-hop ok");
1180 adj_nbr_update_rewrite(ai_02, ADJ_NBR_REWRITE_FLAG_COMPLETE,
1181 fib_test_build_rewrite(eth_addr));
1182 FIB_TEST((IP_LOOKUP_NEXT_REWRITE == adj->lookup_next_index),
1184 FIB_TEST((0 == ip46_address_cmp(&pfx_10_10_10_2_s_32.fp_addr,
1185 &adj->sub_type.nbr.next_hop)),
1186 "adj nbr next-hop ok");
1187 FIB_TEST((ai_01 != ai_02), "ADJs are different");
1189 fib_table_entry_path_add(fib_index,
1190 &pfx_10_10_10_2_s_32,
1192 FIB_ENTRY_FLAG_ATTACHED,
1194 &pfx_10_10_10_2_s_32.fp_addr,
1195 tm->hw[0]->sw_if_index,
1196 ~0, // invalid fib index
1199 FIB_ROUTE_PATH_FLAG_NONE);
1201 fei = fib_table_lookup(fib_index, &pfx_10_10_10_2_s_32);
1202 ai = fib_entry_get_adj(fei);
1203 FIB_TEST((ai_02 == ai), "ADJ-FIB resolves via adj");
1206 * +2 adj-fibs, and their non-shared path-lists
1208 FIB_TEST((0 == fib_path_list_db_size()), "path list DB is empty");
1209 FIB_TEST((PNBR+4 == fib_path_list_pool_size()), "path list pool size is %d",
1210 fib_path_list_pool_size());
1211 FIB_TEST((ENBR+4 == fib_entry_pool_size()), "entry pool size is %d",
1212 fib_entry_pool_size());
1215 * Add 2 routes via the first ADJ. ensure path-list sharing
1217 fib_prefix_t pfx_1_1_1_1_s_32 = {
1219 .fp_proto = FIB_PROTOCOL_IP4,
1222 .ip4.as_u32 = clib_host_to_net_u32(0x01010101),
1226 fib_table_entry_path_add(fib_index,
1229 FIB_ENTRY_FLAG_NONE,
1232 tm->hw[0]->sw_if_index,
1233 ~0, // invalid fib index
1236 FIB_ROUTE_PATH_FLAG_NONE);
1237 fei = fib_table_lookup(fib_index, &pfx_1_1_1_1_s_32);
1238 ai = fib_entry_get_adj(fei);
1239 FIB_TEST((ai_01 == ai), "1.1.1.1 resolves via 10.10.10.1");
1242 * +1 entry and a shared path-list
1244 FIB_TEST((1 == fib_path_list_db_size()), "path list DB is empty");
1245 FIB_TEST((PNBR+5 == fib_path_list_pool_size()), "path list pool size is %d",
1246 fib_path_list_pool_size());
1247 FIB_TEST((ENBR+5 == fib_entry_pool_size()), "entry pool size is %d",
1248 fib_entry_pool_size());
1251 fib_prefix_t pfx_1_1_2_0_s_24 = {
1253 .fp_proto = FIB_PROTOCOL_IP4,
1255 .ip4.as_u32 = clib_host_to_net_u32(0x01010200),
1259 fib_table_entry_path_add(fib_index,
1262 FIB_ENTRY_FLAG_NONE,
1265 tm->hw[0]->sw_if_index,
1266 ~0, // invalid fib index
1269 FIB_ROUTE_PATH_FLAG_NONE);
1270 fei = fib_table_lookup(fib_index, &pfx_1_1_2_0_s_24);
1271 ai = fib_entry_get_adj(fei);
1272 FIB_TEST((ai_01 == ai), "1.1.2.0/24 resolves via 10.10.10.1");
1277 FIB_TEST((1 == fib_path_list_db_size()), "path list DB is empty");
1278 FIB_TEST((PNBR+5 == fib_path_list_pool_size()), "path list pool size is %d",
1279 fib_path_list_pool_size());
1280 FIB_TEST((ENBR+6 == fib_entry_pool_size()), "entry pool size is %d",
1281 fib_entry_pool_size());
1284 * modify 1.1.2.0/24 to use multipath.
1286 fib_table_entry_path_add(fib_index,
1289 FIB_ENTRY_FLAG_NONE,
1292 tm->hw[0]->sw_if_index,
1293 ~0, // invalid fib index
1296 FIB_ROUTE_PATH_FLAG_NONE);
1297 fei = fib_table_lookup(fib_index, &pfx_1_1_2_0_s_24);
1298 dpo = fib_entry_contribute_ip_forwarding(fei);
1299 FIB_TEST(!fib_test_urpf_is_equal(fei, FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
1300 1, tm->hw[0]->sw_if_index),
1301 "RPF list for 1.1.2.0/24 contains both adjs");
1303 dpo1 = load_balance_get_bucket(dpo->dpoi_index, 0);
1304 FIB_TEST(DPO_ADJACENCY == dpo1->dpoi_type, "type is %d", dpo1->dpoi_type);
1305 FIB_TEST((ai_01 == dpo1->dpoi_index),
1306 "1.1.2.0/24 bucket 0 resolves via 10.10.10.1 (%d=%d)",
1307 ai_01, dpo1->dpoi_index);
1309 dpo1 = load_balance_get_bucket(dpo->dpoi_index, 1);
1310 FIB_TEST(DPO_ADJACENCY == dpo1->dpoi_type, "type is %d", dpo1->dpoi_type);
1311 FIB_TEST((ai_02 == dpo1->dpoi_index),
1312 "1.1.2.0/24 bucket 1 resolves via 10.10.10.2");
1315 * +1 shared-pathlist
1317 FIB_TEST((2 == fib_path_list_db_size()), "path list DB is empty");
1318 FIB_TEST((PNBR+6 == fib_path_list_pool_size()), "path list pool size is %d",
1319 fib_path_list_pool_size());
1320 FIB_TEST((ENBR+6 == fib_entry_pool_size()), "entry pool size is %d",
1321 fib_entry_pool_size());
1326 fib_table_entry_path_remove(fib_index,
1331 tm->hw[0]->sw_if_index,
1334 FIB_ROUTE_PATH_FLAG_NONE);
1335 fei = fib_table_lookup(fib_index, &pfx_1_1_2_0_s_24);
1336 dpo = fib_entry_contribute_ip_forwarding(fei);
1337 FIB_TEST(!fib_test_urpf_is_equal(fei, FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
1338 1, tm->hw[0]->sw_if_index),
1339 "RPF list for 1.1.2.0/24 contains one adj");
1341 ai = fib_entry_get_adj(fei);
1342 FIB_TEST((ai_01 == ai), "1.1.2.0/24 resolves via 10.10.10.1");
1345 * +1 shared-pathlist
1347 FIB_TEST((1 == fib_path_list_db_size()), "path list DB is %d",
1348 fib_path_list_db_size());
1349 FIB_TEST((PNBR+5 == fib_path_list_pool_size()), "path list pool size is %d",
1350 fib_path_list_pool_size());
1351 FIB_TEST((ENBR+6 == fib_entry_pool_size()), "entry pool size is %d",
1352 fib_entry_pool_size());
1355 * Add 2 recursive routes:
1356 * 100.100.100.100/32 via 1.1.1.1/32 => the via entry is installed.
1357 * 100.100.100.101/32 via 1.1.1.1/32 => the via entry is installed.
1359 fib_prefix_t bgp_100_pfx = {
1361 .fp_proto = FIB_PROTOCOL_IP4,
1363 /* 100.100.100.100/32 */
1364 .ip4.as_u32 = clib_host_to_net_u32(0x64646464),
1368 ip46_address_t nh_1_1_1_1 = {
1369 .ip4.as_u32 = clib_host_to_net_u32(0x01010101),
1372 fei = fib_table_entry_path_add(fib_index,
1375 FIB_ENTRY_FLAG_NONE,
1378 ~0, // no index provided.
1379 fib_index, // nexthop in same fib as route
1382 FIB_ROUTE_PATH_FLAG_NONE);
1384 FIB_TEST_REC_FORW(&bgp_100_pfx, &pfx_1_1_1_1_s_32, 0);
1385 FIB_TEST(!fib_test_urpf_is_equal(fei, FIB_FORW_CHAIN_TYPE_UNICAST_IP4, 1,
1386 tm->hw[0]->sw_if_index),
1387 "RPF list for adj-fib contains adj");
1390 * +1 entry and +1 shared-path-list
1392 FIB_TEST((2 == fib_path_list_db_size()), "path list DB population:%d",
1393 fib_path_list_db_size());
1394 FIB_TEST((PNBR+6 == fib_path_list_pool_size()), "path list pool size is %d",
1395 fib_path_list_pool_size());
1396 FIB_TEST((ENBR+7 == fib_entry_pool_size()), "entry pool size is %d",
1397 fib_entry_pool_size());
1399 fib_prefix_t bgp_101_pfx = {
1401 .fp_proto = FIB_PROTOCOL_IP4,
1403 /* 100.100.100.101/32 */
1404 .ip4.as_u32 = clib_host_to_net_u32(0x64646465),
1408 fib_table_entry_path_add(fib_index,
1411 FIB_ENTRY_FLAG_NONE,
1414 ~0, // no index provided.
1415 fib_index, // nexthop in same fib as route
1418 FIB_ROUTE_PATH_FLAG_NONE);
1420 FIB_TEST_REC_FORW(&bgp_101_pfx, &pfx_1_1_1_1_s_32, 0);
1421 FIB_TEST(!fib_test_urpf_is_equal(fei, FIB_FORW_CHAIN_TYPE_UNICAST_IP4, 1,
1422 tm->hw[0]->sw_if_index),
1423 "RPF list for adj-fib contains adj");
1426 * +1 entry, but the recursive path-list is shared.
1428 FIB_TEST((2 == fib_path_list_db_size()), "path list DB population:%d",
1429 fib_path_list_db_size());
1430 FIB_TEST((PNBR+6 == fib_path_list_pool_size()), "path list pool size is %d",
1431 fib_path_list_pool_size());
1432 FIB_TEST((ENBR+8 == fib_entry_pool_size()), "entry pool size is %d",
1433 fib_entry_pool_size());
1436 * An special route; one where the user (me) provides the
1437 * adjacency through which the route will resovle by setting the flags
1439 fib_prefix_t ex_pfx = {
1441 .fp_proto = FIB_PROTOCOL_IP4,
1444 .ip4.as_u32 = clib_host_to_net_u32(0x04040404),
1448 fib_table_entry_special_add(fib_index,
1451 FIB_ENTRY_FLAG_LOCAL);
1452 fei = fib_table_lookup_exact_match(fib_index, &ex_pfx);
1453 dpo = fib_entry_contribute_ip_forwarding(fei);
1454 dpo = load_balance_get_bucket(dpo->dpoi_index, 0);
1455 FIB_TEST((DPO_RECEIVE == dpo->dpoi_type),
1456 "local interface adj is local");
1458 fib_table_entry_special_remove(fib_index,
1460 FIB_SOURCE_SPECIAL);
1461 FIB_TEST(FIB_NODE_INDEX_INVALID ==
1462 fib_table_lookup_exact_match(fib_index, &ex_pfx),
1463 "Exclusive reoute removed");
1466 * An EXCLUSIVE route; one where the user (me) provides the exclusive
1467 * adjacency through which the route will resovle
1469 dpo_id_t ex_dpo = DPO_INVALID;
1471 lookup_dpo_add_or_lock_w_fib_index(fib_index,
1474 LOOKUP_INPUT_DST_ADDR,
1475 LOOKUP_TABLE_FROM_CONFIG,
1478 fib_table_entry_special_dpo_add(fib_index,
1481 FIB_ENTRY_FLAG_EXCLUSIVE,
1483 fei = fib_table_lookup_exact_match(fib_index, &ex_pfx);
1484 dpo = fib_entry_contribute_ip_forwarding(fei);
1485 FIB_TEST(!dpo_cmp(&ex_dpo, load_balance_get_bucket(dpo->dpoi_index, 0)),
1486 "exclusive remote uses lookup DPO");
1489 * update the exclusive to use a different DPO
1491 ip_null_dpo_add_and_lock(DPO_PROTO_IP4,
1492 IP_NULL_ACTION_SEND_ICMP_UNREACH,
1494 fib_table_entry_special_dpo_update(fib_index,
1497 FIB_ENTRY_FLAG_EXCLUSIVE,
1499 dpo = fib_entry_contribute_ip_forwarding(fei);
1500 FIB_TEST(!dpo_cmp(&ex_dpo, load_balance_get_bucket(dpo->dpoi_index, 0)),
1501 "exclusive remote uses now uses NULL DPO");
1503 fib_table_entry_special_remove(fib_index,
1505 FIB_SOURCE_SPECIAL);
1506 FIB_TEST(FIB_NODE_INDEX_INVALID ==
1507 fib_table_lookup_exact_match(fib_index, &ex_pfx),
1508 "Exclusive reoute removed");
1512 * Add a recursive route:
1513 * 200.200.200.200/32 via 1.1.1.2/32 => the via entry is NOT installed.
1515 fib_prefix_t bgp_200_pfx = {
1517 .fp_proto = FIB_PROTOCOL_IP4,
1519 /* 200.200.200.200/32 */
1520 .ip4.as_u32 = clib_host_to_net_u32(0xc8c8c8c8),
1524 fib_prefix_t pfx_1_1_1_2_s_32 = {
1526 .fp_proto = FIB_PROTOCOL_IP4,
1528 .ip4.as_u32 = clib_host_to_net_u32(0x01010102),
1532 fei = fib_table_entry_path_add(fib_index,
1535 FIB_ENTRY_FLAG_NONE,
1537 &pfx_1_1_1_2_s_32.fp_addr,
1538 ~0, // no index provided.
1539 fib_index, // nexthop in same fib as route
1542 FIB_ROUTE_PATH_FLAG_NONE);
1544 FIB_TEST(load_balance_is_drop(fib_entry_contribute_ip_forwarding(fei)),
1545 "Recursive via unresolved is drop");
1548 * the adj should be recursive via drop, since the route resolves via
1549 * the default route, which is itself a DROP
1551 fei = fib_table_lookup(fib_index, &pfx_1_1_1_2_s_32);
1552 dpo1 = fib_entry_contribute_ip_forwarding(fei);
1553 FIB_TEST(load_balance_is_drop(dpo1), "1.1.1.2/32 is drop");
1554 FIB_TEST(!fib_test_urpf_is_equal(fei, FIB_FORW_CHAIN_TYPE_UNICAST_IP4, 0),
1555 "RPF list for 1.1.1.2/32 contains 0 adjs");
1558 * +2 entry and +1 shared-path-list
1560 FIB_TEST((3 == fib_path_list_db_size()), "path list DB population:%d",
1561 fib_path_list_db_size());
1562 FIB_TEST((PNBR+7 == fib_path_list_pool_size()), "path list pool size is %d",
1563 fib_path_list_pool_size());
1564 FIB_TEST((ENBR+10 == fib_entry_pool_size()), "entry pool size is %d",
1565 fib_entry_pool_size());
1568 * Unequal Cost load-balance. 3:1 ratio. fits in a 4 bucket LB
1569 * The paths are sort by NH first. in this case the the path with greater
1570 * weight is first in the set. This ordering is to test the RPF sort|uniq logic
1572 fib_prefix_t pfx_1_2_3_4_s_32 = {
1574 .fp_proto = FIB_PROTOCOL_IP4,
1576 .ip4.as_u32 = clib_host_to_net_u32(0x01020304),
1579 fib_table_entry_path_add(fib_index,
1582 FIB_ENTRY_FLAG_NONE,
1585 tm->hw[0]->sw_if_index,
1589 FIB_ROUTE_PATH_FLAG_NONE);
1590 fei = fib_table_entry_path_add(fib_index,
1593 FIB_ENTRY_FLAG_NONE,
1596 tm->hw[1]->sw_if_index,
1600 FIB_ROUTE_PATH_FLAG_NONE);
1602 FIB_TEST((FIB_NODE_INDEX_INVALID != fei), "1.2.3.4/32 presnet");
1603 dpo = fib_entry_contribute_ip_forwarding(fei);
1604 lb = load_balance_get(dpo->dpoi_index);
1605 FIB_TEST((lb->lb_n_buckets == 4),
1606 "1.2.3.4/32 LB has %d bucket",
1609 FIB_TEST_LB_BUCKET_VIA_ADJ(&pfx_1_2_3_4_s_32, 0, ai_12_12_12_12);
1610 FIB_TEST_LB_BUCKET_VIA_ADJ(&pfx_1_2_3_4_s_32, 1, ai_12_12_12_12);
1611 FIB_TEST_LB_BUCKET_VIA_ADJ(&pfx_1_2_3_4_s_32, 2, ai_12_12_12_12);
1612 FIB_TEST_LB_BUCKET_VIA_ADJ(&pfx_1_2_3_4_s_32, 3, ai_01);
1614 FIB_TEST(!fib_test_urpf_is_equal(fei, FIB_FORW_CHAIN_TYPE_UNICAST_IP4, 2,
1615 tm->hw[0]->sw_if_index,
1616 tm->hw[1]->sw_if_index),
1617 "RPF list for 1.2.3.4/32 contains both adjs");
1621 * Unequal Cost load-balance. 4:1 ratio.
1622 * fits in a 16 bucket LB with ratio 13:3
1624 fib_prefix_t pfx_1_2_3_5_s_32 = {
1626 .fp_proto = FIB_PROTOCOL_IP4,
1628 .ip4.as_u32 = clib_host_to_net_u32(0x01020305),
1631 fib_table_entry_path_add(fib_index,
1634 FIB_ENTRY_FLAG_NONE,
1637 tm->hw[1]->sw_if_index,
1641 FIB_ROUTE_PATH_FLAG_NONE);
1642 fei = fib_table_entry_path_add(fib_index,
1645 FIB_ENTRY_FLAG_NONE,
1648 tm->hw[0]->sw_if_index,
1652 FIB_ROUTE_PATH_FLAG_NONE);
1654 FIB_TEST((FIB_NODE_INDEX_INVALID != fei), "1.2.3.5/32 presnet");
1655 dpo = fib_entry_contribute_ip_forwarding(fei);
1656 lb = load_balance_get(dpo->dpoi_index);
1657 FIB_TEST((lb->lb_n_buckets == 16),
1658 "1.2.3.5/32 LB has %d bucket",
1661 FIB_TEST_LB_BUCKET_VIA_ADJ(&pfx_1_2_3_5_s_32, 0, ai_01);
1662 FIB_TEST_LB_BUCKET_VIA_ADJ(&pfx_1_2_3_5_s_32, 1, ai_01);
1663 FIB_TEST_LB_BUCKET_VIA_ADJ(&pfx_1_2_3_5_s_32, 2, ai_01);
1664 FIB_TEST_LB_BUCKET_VIA_ADJ(&pfx_1_2_3_5_s_32, 3, ai_01);
1665 FIB_TEST_LB_BUCKET_VIA_ADJ(&pfx_1_2_3_5_s_32, 4, ai_01);
1666 FIB_TEST_LB_BUCKET_VIA_ADJ(&pfx_1_2_3_5_s_32, 5, ai_01);
1667 FIB_TEST_LB_BUCKET_VIA_ADJ(&pfx_1_2_3_5_s_32, 6, ai_01);
1668 FIB_TEST_LB_BUCKET_VIA_ADJ(&pfx_1_2_3_5_s_32, 7, ai_01);
1669 FIB_TEST_LB_BUCKET_VIA_ADJ(&pfx_1_2_3_5_s_32, 8, ai_01);
1670 FIB_TEST_LB_BUCKET_VIA_ADJ(&pfx_1_2_3_5_s_32, 9, ai_01);
1671 FIB_TEST_LB_BUCKET_VIA_ADJ(&pfx_1_2_3_5_s_32, 10, ai_01);
1672 FIB_TEST_LB_BUCKET_VIA_ADJ(&pfx_1_2_3_5_s_32, 11, ai_01);
1673 FIB_TEST_LB_BUCKET_VIA_ADJ(&pfx_1_2_3_5_s_32, 12, ai_01);
1674 FIB_TEST_LB_BUCKET_VIA_ADJ(&pfx_1_2_3_5_s_32, 13, ai_12_12_12_12);
1675 FIB_TEST_LB_BUCKET_VIA_ADJ(&pfx_1_2_3_5_s_32, 14, ai_12_12_12_12);
1676 FIB_TEST_LB_BUCKET_VIA_ADJ(&pfx_1_2_3_5_s_32, 15, ai_12_12_12_12);
1678 FIB_TEST(!fib_test_urpf_is_equal(fei, FIB_FORW_CHAIN_TYPE_UNICAST_IP4, 2,
1679 tm->hw[0]->sw_if_index,
1680 tm->hw[1]->sw_if_index),
1681 "RPF list for 1.2.3.4/32 contains both adjs");
1684 * Test UCMP with a large weight skew - this produces load-balance objects with large
1685 * numbers of buckets to accommodate the skew. By updating said load-balances we are
1686 * laso testing the LB in placce modify code when number of buckets is large.
1688 fib_prefix_t pfx_6_6_6_6_s_32 = {
1690 .fp_proto = FIB_PROTOCOL_IP4,
1693 .ip4.as_u32 = clib_host_to_net_u32(0x06060606),
1696 fib_test_lb_bucket_t ip_o_10_10_10_1 = {
1702 fib_test_lb_bucket_t ip_o_10_10_10_2 = {
1708 fib_test_lb_bucket_t ip_6_6_6_6_o_12_12_12_12 = {
1711 .adj = ai_12_12_12_12,
1714 fib_table_entry_update_one_path(fib_index,
1717 FIB_ENTRY_FLAG_NONE,
1720 tm->hw[0]->sw_if_index,
1721 ~0, // invalid fib index
1724 FIB_ROUTE_PATH_FLAG_NONE);
1726 fei = fib_table_lookup(fib_index, &pfx_6_6_6_6_s_32);
1727 FIB_TEST(!fib_test_validate_entry(fei,
1728 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
1731 "6.6.6.6/32 via 10.10.10.1");
1733 fib_table_entry_path_add(fib_index,
1736 FIB_ENTRY_FLAG_NONE,
1739 tm->hw[0]->sw_if_index,
1740 ~0, // invalid fib index
1743 FIB_ROUTE_PATH_FLAG_NONE);
1745 fei = fib_table_lookup(fib_index, &pfx_6_6_6_6_s_32);
1746 FIB_TEST(!fib_test_validate_entry(fei,
1747 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
1813 "6.6.6.6/32 via 10.10.10.1 and 10.10.10.2 in 63:1 ratio");
1815 fib_table_entry_path_add(fib_index,
1818 FIB_ENTRY_FLAG_NONE,
1821 tm->hw[1]->sw_if_index,
1822 ~0, // invalid fib index
1825 FIB_ROUTE_PATH_FLAG_NONE);
1827 fei = fib_table_lookup(fib_index, &pfx_6_6_6_6_s_32);
1828 FIB_TEST(!fib_test_validate_entry(fei,
1829 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
1896 &ip_6_6_6_6_o_12_12_12_12,
1897 &ip_6_6_6_6_o_12_12_12_12,
1898 &ip_6_6_6_6_o_12_12_12_12,
1899 &ip_6_6_6_6_o_12_12_12_12,
1900 &ip_6_6_6_6_o_12_12_12_12,
1901 &ip_6_6_6_6_o_12_12_12_12,
1902 &ip_6_6_6_6_o_12_12_12_12,
1903 &ip_6_6_6_6_o_12_12_12_12,
1904 &ip_6_6_6_6_o_12_12_12_12,
1905 &ip_6_6_6_6_o_12_12_12_12,
1906 &ip_6_6_6_6_o_12_12_12_12,
1907 &ip_6_6_6_6_o_12_12_12_12,
1908 &ip_6_6_6_6_o_12_12_12_12,
1909 &ip_6_6_6_6_o_12_12_12_12,
1910 &ip_6_6_6_6_o_12_12_12_12,
1911 &ip_6_6_6_6_o_12_12_12_12,
1912 &ip_6_6_6_6_o_12_12_12_12,
1913 &ip_6_6_6_6_o_12_12_12_12,
1914 &ip_6_6_6_6_o_12_12_12_12,
1915 &ip_6_6_6_6_o_12_12_12_12,
1916 &ip_6_6_6_6_o_12_12_12_12,
1917 &ip_6_6_6_6_o_12_12_12_12,
1918 &ip_6_6_6_6_o_12_12_12_12,
1919 &ip_6_6_6_6_o_12_12_12_12,
1920 &ip_6_6_6_6_o_12_12_12_12,
1921 &ip_6_6_6_6_o_12_12_12_12,
1922 &ip_6_6_6_6_o_12_12_12_12,
1923 &ip_6_6_6_6_o_12_12_12_12,
1924 &ip_6_6_6_6_o_12_12_12_12,
1925 &ip_6_6_6_6_o_12_12_12_12,
1926 &ip_6_6_6_6_o_12_12_12_12,
1927 &ip_6_6_6_6_o_12_12_12_12,
1928 &ip_6_6_6_6_o_12_12_12_12,
1929 &ip_6_6_6_6_o_12_12_12_12,
1930 &ip_6_6_6_6_o_12_12_12_12,
1931 &ip_6_6_6_6_o_12_12_12_12,
1932 &ip_6_6_6_6_o_12_12_12_12,
1933 &ip_6_6_6_6_o_12_12_12_12,
1934 &ip_6_6_6_6_o_12_12_12_12,
1935 &ip_6_6_6_6_o_12_12_12_12,
1936 &ip_6_6_6_6_o_12_12_12_12,
1937 &ip_6_6_6_6_o_12_12_12_12,
1938 &ip_6_6_6_6_o_12_12_12_12,
1939 &ip_6_6_6_6_o_12_12_12_12,
1940 &ip_6_6_6_6_o_12_12_12_12,
1941 &ip_6_6_6_6_o_12_12_12_12,
1942 &ip_6_6_6_6_o_12_12_12_12,
1943 &ip_6_6_6_6_o_12_12_12_12,
1944 &ip_6_6_6_6_o_12_12_12_12,
1945 &ip_6_6_6_6_o_12_12_12_12,
1946 &ip_6_6_6_6_o_12_12_12_12,
1947 &ip_6_6_6_6_o_12_12_12_12,
1948 &ip_6_6_6_6_o_12_12_12_12,
1949 &ip_6_6_6_6_o_12_12_12_12,
1950 &ip_6_6_6_6_o_12_12_12_12,
1951 &ip_6_6_6_6_o_12_12_12_12,
1952 &ip_6_6_6_6_o_12_12_12_12,
1953 &ip_6_6_6_6_o_12_12_12_12,
1954 &ip_6_6_6_6_o_12_12_12_12,
1955 &ip_6_6_6_6_o_12_12_12_12,
1956 &ip_6_6_6_6_o_12_12_12_12,
1957 &ip_6_6_6_6_o_12_12_12_12,
1958 &ip_6_6_6_6_o_12_12_12_12),
1959 "6.6.6.6/32 via 10.10.10.1 and 10.10.10.2 in 63:1 ratio");
1961 fib_table_entry_path_remove(fib_index,
1966 tm->hw[1]->sw_if_index,
1967 ~0, // invalid fib index
1969 FIB_ROUTE_PATH_FLAG_NONE);
1971 fei = fib_table_lookup(fib_index, &pfx_6_6_6_6_s_32);
1972 FIB_TEST(!fib_test_validate_entry(fei,
1973 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
2039 "6.6.6.6/32 via 10.10.10.1 and 10.10.10.2 in 63:1 ratio");
2041 fib_table_entry_path_remove(fib_index,
2046 tm->hw[0]->sw_if_index,
2047 ~0, // invalid fib index
2049 FIB_ROUTE_PATH_FLAG_NONE);
2051 fei = fib_table_lookup(fib_index, &pfx_6_6_6_6_s_32);
2052 FIB_TEST(!fib_test_validate_entry(fei,
2053 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
2056 "6.6.6.6/32 via 10.10.10.1");
2058 fib_table_entry_delete(fib_index, &pfx_6_6_6_6_s_32, FIB_SOURCE_API);
2061 * A recursive via the two unequal cost entries
2063 fib_prefix_t bgp_44_s_32 = {
2065 .fp_proto = FIB_PROTOCOL_IP4,
2067 /* 200.200.200.201/32 */
2068 .ip4.as_u32 = clib_host_to_net_u32(0x44444444),
2071 fei = fib_table_entry_path_add(fib_index,
2074 FIB_ENTRY_FLAG_NONE,
2076 &pfx_1_2_3_4_s_32.fp_addr,
2081 FIB_ROUTE_PATH_FLAG_NONE);
2082 fei = fib_table_entry_path_add(fib_index,
2085 FIB_ENTRY_FLAG_NONE,
2087 &pfx_1_2_3_5_s_32.fp_addr,
2092 FIB_ROUTE_PATH_FLAG_NONE);
2094 FIB_TEST_REC_FORW(&bgp_44_s_32, &pfx_1_2_3_4_s_32, 0);
2095 FIB_TEST_REC_FORW(&bgp_44_s_32, &pfx_1_2_3_5_s_32, 1);
2096 FIB_TEST(!fib_test_urpf_is_equal(fei, FIB_FORW_CHAIN_TYPE_UNICAST_IP4, 2,
2097 tm->hw[0]->sw_if_index,
2098 tm->hw[1]->sw_if_index),
2099 "RPF list for 1.2.3.4/32 contains both adjs");
2102 * test the uRPF check functions
2104 dpo_id_t dpo_44 = DPO_INVALID;
2107 fib_entry_contribute_forwarding(fei, FIB_FORW_CHAIN_TYPE_UNICAST_IP4, &dpo_44);
2108 urpfi = load_balance_get_urpf(dpo_44.dpoi_index);
2110 FIB_TEST(fib_urpf_check(urpfi, tm->hw[0]->sw_if_index),
2111 "uRPF check for 68.68.68.68/32 on %d OK",
2112 tm->hw[0]->sw_if_index);
2113 FIB_TEST(fib_urpf_check(urpfi, tm->hw[1]->sw_if_index),
2114 "uRPF check for 68.68.68.68/32 on %d OK",
2115 tm->hw[1]->sw_if_index);
2116 FIB_TEST(!fib_urpf_check(urpfi, 99),
2117 "uRPF check for 68.68.68.68/32 on 99 not-OK",
2121 fib_table_entry_delete(fib_index,
2124 fib_table_entry_delete(fib_index,
2127 fib_table_entry_delete(fib_index,
2132 * Add a recursive route:
2133 * 200.200.200.201/32 via 1.1.1.200/32 => the via entry is NOT installed.
2135 fib_prefix_t bgp_201_pfx = {
2137 .fp_proto = FIB_PROTOCOL_IP4,
2139 /* 200.200.200.201/32 */
2140 .ip4.as_u32 = clib_host_to_net_u32(0xc8c8c8c9),
2144 fib_prefix_t pfx_1_1_1_200_s_32 = {
2146 .fp_proto = FIB_PROTOCOL_IP4,
2148 .ip4.as_u32 = clib_host_to_net_u32(0x010101c8),
2152 fei = fib_table_entry_path_add(fib_index,
2155 FIB_ENTRY_FLAG_NONE,
2157 &pfx_1_1_1_200_s_32.fp_addr,
2158 ~0, // no index provided.
2159 fib_index, // nexthop in same fib as route
2162 FIB_ROUTE_PATH_FLAG_NONE);
2164 FIB_TEST(load_balance_is_drop(fib_entry_contribute_ip_forwarding(fei)),
2165 "Recursive via unresolved is drop");
2167 fei = fib_table_lookup_exact_match(fib_index, &pfx_1_1_1_200_s_32);
2168 FIB_TEST((FIB_ENTRY_FLAG_NONE == fib_entry_get_flags(fei)),
2169 "Flags set on RR via non-attached");
2170 FIB_TEST(!fib_test_urpf_is_equal(fei, FIB_FORW_CHAIN_TYPE_UNICAST_IP4, 0),
2171 "RPF list for BGP route empty");
2174 * +2 entry (BGP & RR) and +1 shared-path-list
2176 FIB_TEST((4 == fib_path_list_db_size()), "path list DB population:%d",
2177 fib_path_list_db_size());
2178 FIB_TEST((PNBR+8 == fib_path_list_pool_size()), "path list pool size is %d",
2179 fib_path_list_pool_size());
2180 FIB_TEST((ENBR+12 == fib_entry_pool_size()), "entry pool size is %d",
2181 fib_entry_pool_size());
2184 * insert a route that covers the missing 1.1.1.2/32. we epxect
2185 * 200.200.200.200/32 and 200.200.200.201/32 to resolve through it.
2187 fib_prefix_t pfx_1_1_1_0_s_24 = {
2189 .fp_proto = FIB_PROTOCOL_IP4,
2192 .ip4.as_u32 = clib_host_to_net_u32(0x01010100),
2196 fib_table_entry_path_add(fib_index,
2199 FIB_ENTRY_FLAG_NONE,
2202 tm->hw[0]->sw_if_index,
2203 ~0, // invalid fib index
2206 FIB_ROUTE_PATH_FLAG_NONE);
2207 fei = fib_table_lookup(fib_index, &pfx_1_1_1_0_s_24);
2208 dpo1 = fib_entry_contribute_ip_forwarding(fei);
2209 ai = fib_entry_get_adj(fei);
2210 FIB_TEST((ai_01 == ai), "1.1.1.0/24 resolves via 10.10.10.1");
2211 fei = fib_table_lookup(fib_index, &pfx_1_1_1_2_s_32);
2212 dpo1 = fib_entry_contribute_ip_forwarding(fei);
2213 ai = fib_entry_get_adj(fei);
2214 FIB_TEST((ai_01 == ai), "1.1.1.2/32 resolves via 10.10.10.1");
2215 fei = fib_table_lookup(fib_index, &pfx_1_1_1_200_s_32);
2216 dpo1 = fib_entry_contribute_ip_forwarding(fei);
2217 ai = fib_entry_get_adj(fei);
2218 FIB_TEST((ai_01 == ai), "1.1.1.200/24 resolves via 10.10.10.1");
2221 * +1 entry. 1.1.1.1/32 already uses 10.10.10.1 so no new pah-list
2223 FIB_TEST((4 == fib_path_list_db_size()), "path list DB population:%d",
2224 fib_path_list_db_size());
2225 FIB_TEST((PNBR+8 == fib_path_list_pool_size()), "path list pool size is %d",
2226 fib_path_list_pool_size());
2227 FIB_TEST((ENBR+13 == fib_entry_pool_size()), "entry pool size is %d",
2228 fib_entry_pool_size());
2231 * the recursive adj for 200.200.200.200 should be updated.
2233 FIB_TEST_REC_FORW(&bgp_201_pfx, &pfx_1_1_1_200_s_32, 0);
2234 FIB_TEST_REC_FORW(&bgp_200_pfx, &pfx_1_1_1_2_s_32, 0);
2235 fei = fib_table_lookup(fib_index, &bgp_200_pfx);
2236 FIB_TEST(!fib_test_urpf_is_equal(fei, FIB_FORW_CHAIN_TYPE_UNICAST_IP4, 1,
2237 tm->hw[0]->sw_if_index),
2238 "RPF list for BGP route has itf index 0");
2241 * insert a more specific route than 1.1.1.0/24 that also covers the
2242 * missing 1.1.1.2/32, but not 1.1.1.200/32. we expect
2243 * 200.200.200.200 to resolve through it.
2245 fib_prefix_t pfx_1_1_1_0_s_28 = {
2247 .fp_proto = FIB_PROTOCOL_IP4,
2250 .ip4.as_u32 = clib_host_to_net_u32(0x01010100),
2254 fib_table_entry_path_add(fib_index,
2257 FIB_ENTRY_FLAG_NONE,
2260 tm->hw[0]->sw_if_index,
2261 ~0, // invalid fib index
2264 FIB_ROUTE_PATH_FLAG_NONE);
2265 fei = fib_table_lookup(fib_index, &pfx_1_1_1_0_s_28);
2266 dpo2 = fib_entry_contribute_ip_forwarding(fei);
2267 ai = fib_entry_get_adj(fei);
2268 FIB_TEST((ai_02 == ai), "1.1.1.0/24 resolves via 10.10.10.2");
2271 * +1 entry. +1 shared path-list
2273 FIB_TEST((5 == fib_path_list_db_size()), "path list DB population:%d",
2274 fib_path_list_db_size());
2275 FIB_TEST((PNBR+9 == fib_path_list_pool_size()), "path list pool size is %d",
2276 fib_path_list_pool_size());
2277 FIB_TEST((ENBR+14 == fib_entry_pool_size()), "entry pool size is %d",
2278 fib_entry_pool_size());
2281 * the recursive adj for 200.200.200.200 should be updated.
2282 * 200.200.200.201 remains unchanged.
2284 FIB_TEST_REC_FORW(&bgp_201_pfx, &pfx_1_1_1_200_s_32, 0);
2285 FIB_TEST_REC_FORW(&bgp_200_pfx, &pfx_1_1_1_2_s_32, 0);
2288 * remove this /28. 200.200.200.200/32 should revert back to via 1.1.1.0/24
2290 fib_table_entry_path_remove(fib_index,
2295 tm->hw[0]->sw_if_index,
2298 FIB_ROUTE_PATH_FLAG_NONE);
2299 FIB_TEST((fib_table_lookup_exact_match(fib_index, &pfx_1_1_1_0_s_28) ==
2300 FIB_NODE_INDEX_INVALID),
2301 "1.1.1.0/28 removed");
2302 FIB_TEST((fib_table_lookup(fib_index, &pfx_1_1_1_0_s_28) ==
2303 fib_table_lookup(fib_index, &pfx_1_1_1_0_s_24)),
2304 "1.1.1.0/28 lookup via /24");
2305 FIB_TEST_REC_FORW(&bgp_201_pfx, &pfx_1_1_1_200_s_32, 0);
2306 FIB_TEST_REC_FORW(&bgp_200_pfx, &pfx_1_1_1_2_s_32, 0);
2309 * -1 entry. -1 shared path-list
2311 FIB_TEST((4 == fib_path_list_db_size()), "path list DB population:%d",
2312 fib_path_list_db_size());
2313 FIB_TEST((PNBR+8 == fib_path_list_pool_size()), "path list pool size is %d",
2314 fib_path_list_pool_size());
2315 FIB_TEST((ENBR+13 == fib_entry_pool_size()), "entry pool size is %d",
2316 fib_entry_pool_size());
2319 * remove 1.1.1.0/24. 200.200.200.200/32 should revert back to via 0.0.0.0/0
2321 fib_table_entry_path_remove(fib_index,
2326 tm->hw[0]->sw_if_index,
2329 FIB_ROUTE_PATH_FLAG_NONE);
2330 FIB_TEST((fib_table_lookup_exact_match(fib_index, &pfx_1_1_1_0_s_24) ==
2331 FIB_NODE_INDEX_INVALID),
2332 "1.1.1.0/24 removed");
2334 fei = fib_table_lookup(fib_index, &pfx_1_1_1_2_s_32);
2335 FIB_TEST(load_balance_is_drop(fib_entry_contribute_ip_forwarding(fei)),
2336 "1.1.1.2/32 route is DROP");
2337 fei = fib_table_lookup_exact_match(fib_index, &pfx_1_1_1_200_s_32);
2338 FIB_TEST(load_balance_is_drop(fib_entry_contribute_ip_forwarding(fei)),
2339 "1.1.1.200/32 route is DROP");
2341 fei = fib_table_lookup_exact_match(fib_index, &bgp_201_pfx);
2342 FIB_TEST(load_balance_is_drop(fib_entry_contribute_ip_forwarding(fei)),
2344 fei = fib_table_lookup_exact_match(fib_index, &bgp_200_pfx);
2345 FIB_TEST(load_balance_is_drop(fib_entry_contribute_ip_forwarding(fei)),
2351 FIB_TEST((4 == fib_path_list_db_size()), "path list DB population:%d",
2352 fib_path_list_db_size());
2353 FIB_TEST((PNBR+8 == fib_path_list_pool_size()), "path list pool size is %d",
2354 fib_path_list_pool_size());
2355 FIB_TEST((ENBR+12 == fib_entry_pool_size()), "entry pool size is %d",
2356 fib_entry_pool_size());
2359 * insert the missing 1.1.1.2/32
2361 fei = fib_table_entry_path_add(fib_index,
2364 FIB_ENTRY_FLAG_NONE,
2367 tm->hw[0]->sw_if_index,
2368 ~0, // invalid fib index
2371 FIB_ROUTE_PATH_FLAG_NONE);
2372 dpo1 = fib_entry_contribute_ip_forwarding(fei);
2373 ai = fib_entry_get_adj(fei);
2374 FIB_TEST((ai = ai_01), "1.1.1.2/32 resolves via 10.10.10.1");
2376 fei = fib_table_lookup_exact_match(fib_index, &bgp_201_pfx);
2377 FIB_TEST(load_balance_is_drop(fib_entry_contribute_ip_forwarding(fei)),
2379 FIB_TEST_REC_FORW(&bgp_200_pfx, &pfx_1_1_1_2_s_32, 0);
2382 * no change. 1.1.1.2/32 was already there RR sourced.
2384 FIB_TEST((4 == fib_path_list_db_size()), "path list DB population:%d",
2385 fib_path_list_db_size());
2386 FIB_TEST((PNBR+8 == fib_path_list_pool_size()), "path list pool size is %d",
2387 fib_path_list_pool_size());
2388 FIB_TEST((ENBR+12 == fib_entry_pool_size()), "entry pool size is %d",
2389 fib_entry_pool_size());
2392 * give 201 a resolved path.
2393 * it now has the unresolved 1.1.1.200 and the resolved 1.1.1.2,
2394 * only the latter contributes forwarding.
2396 fei = fib_table_entry_path_add(fib_index,
2399 FIB_ENTRY_FLAG_NONE,
2401 &pfx_1_1_1_2_s_32.fp_addr,
2406 FIB_ROUTE_PATH_FLAG_NONE);
2407 FIB_TEST_REC_FORW(&bgp_201_pfx, &pfx_1_1_1_2_s_32, 0);
2408 fib_table_entry_path_remove(fib_index,
2412 &pfx_1_1_1_2_s_32.fp_addr,
2416 FIB_ROUTE_PATH_FLAG_NONE);
2419 * remove 200.200.200.201/32 which does not have a valid via FIB
2421 fib_table_entry_path_remove(fib_index,
2425 &pfx_1_1_1_200_s_32.fp_addr,
2426 ~0, // no index provided.
2429 FIB_ROUTE_PATH_FLAG_NONE);
2432 * -2 entries (BGP and RR). -1 shared path-list;
2434 FIB_TEST((fib_table_lookup_exact_match(fib_index, &bgp_201_pfx) ==
2435 FIB_NODE_INDEX_INVALID),
2436 "200.200.200.201/32 removed");
2437 FIB_TEST((fib_table_lookup_exact_match(fib_index, &pfx_1_1_1_200_s_32) ==
2438 FIB_NODE_INDEX_INVALID),
2439 "1.1.1.200/32 removed");
2441 FIB_TEST((3 == fib_path_list_db_size()), "path list DB population:%d",
2442 fib_path_list_db_size());
2443 FIB_TEST((PNBR+7 == fib_path_list_pool_size()), "path list pool size is %d",
2444 fib_path_list_pool_size());
2445 FIB_TEST((ENBR+10 == fib_entry_pool_size()), "entry pool size is %d",
2446 fib_entry_pool_size());
2449 * remove 200.200.200.200/32 which does have a valid via FIB
2451 fib_table_entry_path_remove(fib_index,
2455 &pfx_1_1_1_2_s_32.fp_addr,
2456 ~0, // no index provided.
2459 FIB_ROUTE_PATH_FLAG_NONE);
2461 FIB_TEST((fib_table_lookup_exact_match(fib_index, &bgp_200_pfx) ==
2462 FIB_NODE_INDEX_INVALID),
2463 "200.200.200.200/32 removed");
2464 FIB_TEST((fib_table_lookup_exact_match(fib_index, &pfx_1_1_1_2_s_32) !=
2465 FIB_NODE_INDEX_INVALID),
2466 "1.1.1.2/32 still present");
2469 * -1 entry (BGP, the RR source is also API sourced). -1 shared path-list;
2471 FIB_TEST((2 == fib_path_list_db_size()), "path list DB population:%d",
2472 fib_path_list_db_size());
2473 FIB_TEST((PNBR+6 == fib_path_list_pool_size()), "path list pool size is %d",
2474 fib_path_list_pool_size());
2475 FIB_TEST((ENBR+9 == fib_entry_pool_size()), "entry pool size is %d",
2476 fib_entry_pool_size());
2479 * A recursive prefix that has a 2 path load-balance.
2480 * It also shares a next-hop with other BGP prefixes and hence
2481 * test the ref counting of RR sourced prefixes and 2 level LB.
2483 const fib_prefix_t bgp_102 = {
2485 .fp_proto = FIB_PROTOCOL_IP4,
2487 /* 100.100.100.101/32 */
2488 .ip4.as_u32 = clib_host_to_net_u32(0x64646466),
2491 fib_table_entry_path_add(fib_index,
2494 FIB_ENTRY_FLAG_NONE,
2496 &pfx_1_1_1_1_s_32.fp_addr,
2497 ~0, // no index provided.
2498 fib_index, // same as route
2501 FIB_ROUTE_PATH_FLAG_NONE);
2502 fib_table_entry_path_add(fib_index,
2505 FIB_ENTRY_FLAG_NONE,
2507 &pfx_1_1_1_2_s_32.fp_addr,
2508 ~0, // no index provided.
2509 fib_index, // same as route's FIB
2512 FIB_ROUTE_PATH_FLAG_NONE);
2513 fei = fib_table_lookup_exact_match(fib_index, &bgp_102);
2514 FIB_TEST((FIB_NODE_INDEX_INVALID != fei), "100.100.100.102/32 presnet");
2515 dpo = fib_entry_contribute_ip_forwarding(fei);
2517 fei = fib_table_lookup_exact_match(fib_index, &pfx_1_1_1_1_s_32);
2518 dpo1 = fib_entry_contribute_ip_forwarding(fei);
2519 fei = fib_table_lookup_exact_match(fib_index, &pfx_1_1_1_2_s_32);
2520 dpo2 = fib_entry_contribute_ip_forwarding(fei);
2522 lb = load_balance_get(dpo->dpoi_index);
2523 FIB_TEST((lb->lb_n_buckets == 2), "Recursive LB has %d bucket", lb->lb_n_buckets);
2524 FIB_TEST(!dpo_cmp(dpo1, load_balance_get_bucket(dpo->dpoi_index, 0)),
2525 "First via 10.10.10.1");
2526 FIB_TEST(!dpo_cmp(dpo2, load_balance_get_bucket(dpo->dpoi_index, 1)),
2527 "Second via 10.10.10.1");
2529 fib_table_entry_path_remove(fib_index,
2533 &pfx_1_1_1_1_s_32.fp_addr,
2534 ~0, // no index provided.
2535 fib_index, // same as route's FIB
2537 FIB_ROUTE_PATH_FLAG_NONE);
2538 fib_table_entry_path_remove(fib_index,
2542 &pfx_1_1_1_2_s_32.fp_addr,
2543 ~0, // no index provided.
2544 fib_index, // same as route's FIB
2546 FIB_ROUTE_PATH_FLAG_NONE);
2547 fei = fib_table_lookup_exact_match(fib_index, &bgp_102);
2548 FIB_TEST((FIB_NODE_INDEX_INVALID == fei), "100.100.100.102/32 removed");
2551 * remove the remaining recursives
2553 fib_table_entry_path_remove(fib_index,
2557 &pfx_1_1_1_1_s_32.fp_addr,
2558 ~0, // no index provided.
2559 fib_index, // same as route's FIB
2561 FIB_ROUTE_PATH_FLAG_NONE);
2562 fib_table_entry_path_remove(fib_index,
2566 &pfx_1_1_1_1_s_32.fp_addr,
2567 ~0, // no index provided.
2568 fib_index, // same as route's FIB
2570 FIB_ROUTE_PATH_FLAG_NONE);
2571 FIB_TEST((fib_table_lookup_exact_match(fib_index, &bgp_100_pfx) ==
2572 FIB_NODE_INDEX_INVALID),
2573 "100.100.100.100/32 removed");
2574 FIB_TEST((fib_table_lookup_exact_match(fib_index, &bgp_101_pfx) ==
2575 FIB_NODE_INDEX_INVALID),
2576 "100.100.100.101/32 removed");
2579 * -2 entry (2*BGP, the RR source is also API sourced). -1 shared path-list;
2581 FIB_TEST((1 == fib_path_list_db_size()), "path list DB population:%d",
2582 fib_path_list_db_size());
2583 FIB_TEST((PNBR+5 == fib_path_list_pool_size()), "path list pool size is %d",
2584 fib_path_list_pool_size());
2585 FIB_TEST((ENBR+7 == fib_entry_pool_size()), "entry pool size is %d",
2586 fib_entry_pool_size());
2589 * Add a recursive route via a connected cover, using an adj-fib that does exist
2591 fib_table_entry_path_add(fib_index,
2594 FIB_ENTRY_FLAG_NONE,
2597 ~0, // no index provided.
2598 fib_index, // Same as route's FIB
2601 FIB_ROUTE_PATH_FLAG_NONE);
2604 * +1 entry. +1 shared path-list (recursive via 10.10.10.1)
2606 FIB_TEST((2 == fib_path_list_db_size()), "path list DB population:%d",
2607 fib_path_list_db_size());
2608 FIB_TEST((PNBR+6 == fib_path_list_pool_size()), "path list pool size is %d",
2609 fib_path_list_pool_size());
2610 FIB_TEST((ENBR+8 == fib_entry_pool_size()), "entry pool size is %d",
2611 fib_entry_pool_size());
2613 fei = fib_table_lookup_exact_match(fib_index, &bgp_200_pfx);
2614 dpo = fib_entry_contribute_ip_forwarding(fei);
2616 fei = fib_table_lookup_exact_match(fib_index, &pfx_10_10_10_1_s_32);
2617 dpo1 = fib_entry_contribute_ip_forwarding(fei);
2619 FIB_TEST(!dpo_cmp(dpo1, load_balance_get_bucket(dpo->dpoi_index, 0)),
2620 "200.200.200.200/32 is recursive via adj for 10.10.10.1");
2622 FIB_TEST((FIB_ENTRY_FLAG_ATTACHED == fib_entry_get_flags(fei)),
2623 "Flags set on RR via existing attached");
2626 * Add a recursive route via a connected cover, using and adj-fib that does
2629 ip46_address_t nh_10_10_10_3 = {
2630 .ip4.as_u32 = clib_host_to_net_u32(0x0a0a0a03),
2632 fib_prefix_t pfx_10_10_10_3 = {
2634 .fp_proto = FIB_PROTOCOL_IP4,
2635 .fp_addr = nh_10_10_10_3,
2638 fib_table_entry_path_add(fib_index,
2641 FIB_ENTRY_FLAG_NONE,
2644 ~0, // no index provided.
2648 FIB_ROUTE_PATH_FLAG_NONE);
2651 * +2 entries (BGP and RR). +1 shared path-list (recursive via 10.10.10.3) and
2652 * one unshared non-recursive via 10.10.10.3
2654 FIB_TEST((3 == fib_path_list_db_size()), "path list DB population:%d",
2655 fib_path_list_db_size());
2656 FIB_TEST((PNBR+8 == fib_path_list_pool_size()), "path list pool size is %d",
2657 fib_path_list_pool_size());
2658 FIB_TEST((ENBR+10 == fib_entry_pool_size()), "entry pool size is %d",
2659 fib_entry_pool_size());
2661 ai_03 = adj_nbr_add_or_lock(FIB_PROTOCOL_IP4,
2664 tm->hw[0]->sw_if_index);
2666 fei = fib_table_lookup_exact_match(fib_index, &bgp_201_pfx);
2667 dpo = fib_entry_contribute_ip_forwarding(fei);
2668 fei = fib_table_lookup_exact_match(fib_index, &pfx_10_10_10_3);
2669 dpo1 = fib_entry_contribute_ip_forwarding(fei);
2671 ai = fib_entry_get_adj(fei);
2672 FIB_TEST((ai == ai_03), "adj for 10.10.10.3/32 is via adj for 10.10.10.3");
2673 FIB_TEST(((FIB_ENTRY_FLAG_ATTACHED | FIB_ENTRY_FLAG_CONNECTED) ==
2674 fib_entry_get_flags(fei)),
2675 "Flags set on RR via non-existing attached");
2677 FIB_TEST(!dpo_cmp(dpo1, load_balance_get_bucket(dpo->dpoi_index, 0)),
2678 "adj for 200.200.200.200/32 is recursive via adj for 10.10.10.3");
2683 * remove the recursives
2685 fib_table_entry_path_remove(fib_index,
2690 ~0, // no index provided.
2691 fib_index, // same as route's FIB
2693 FIB_ROUTE_PATH_FLAG_NONE);
2694 fib_table_entry_path_remove(fib_index,
2699 ~0, // no index provided.
2700 fib_index, // same as route's FIB
2702 FIB_ROUTE_PATH_FLAG_NONE);
2704 FIB_TEST((fib_table_lookup_exact_match(fib_index, &bgp_201_pfx) ==
2705 FIB_NODE_INDEX_INVALID),
2706 "200.200.200.201/32 removed");
2707 FIB_TEST((fib_table_lookup_exact_match(fib_index, &bgp_200_pfx) ==
2708 FIB_NODE_INDEX_INVALID),
2709 "200.200.200.200/32 removed");
2710 FIB_TEST((fib_table_lookup_exact_match(fib_index, &pfx_10_10_10_3) ==
2711 FIB_NODE_INDEX_INVALID),
2712 "10.10.10.3/32 removed");
2715 * -3 entries (2*BGP and RR). -2 shared path-list (recursive via 10.10.10.3 &
2716 * 10.10.10.1) and one unshared non-recursive via 10.10.10.3
2718 FIB_TEST((1 == fib_path_list_db_size()), "path list DB population:%d",
2719 fib_path_list_db_size());
2720 FIB_TEST((PNBR+5 == fib_path_list_pool_size()), "path list pool size is %d",
2721 fib_path_list_pool_size());
2722 FIB_TEST((ENBR+7 == fib_entry_pool_size()), "entry pool size is %d",
2723 fib_entry_pool_size());
2728 * Add 5.5.5.5/32 -> 5.5.5.6/32 -> 5.5.5.7/32 -> 5.5.5.5/32
2730 fib_prefix_t pfx_5_5_5_5_s_32 = {
2732 .fp_proto = FIB_PROTOCOL_IP4,
2734 .ip4.as_u32 = clib_host_to_net_u32(0x05050505),
2737 fib_prefix_t pfx_5_5_5_6_s_32 = {
2739 .fp_proto = FIB_PROTOCOL_IP4,
2741 .ip4.as_u32 = clib_host_to_net_u32(0x05050506),
2744 fib_prefix_t pfx_5_5_5_7_s_32 = {
2746 .fp_proto = FIB_PROTOCOL_IP4,
2748 .ip4.as_u32 = clib_host_to_net_u32(0x05050507),
2752 fib_table_entry_path_add(fib_index,
2755 FIB_ENTRY_FLAG_NONE,
2757 &pfx_5_5_5_6_s_32.fp_addr,
2758 ~0, // no index provided.
2762 FIB_ROUTE_PATH_FLAG_NONE);
2763 fib_table_entry_path_add(fib_index,
2766 FIB_ENTRY_FLAG_NONE,
2768 &pfx_5_5_5_7_s_32.fp_addr,
2769 ~0, // no index provided.
2773 FIB_ROUTE_PATH_FLAG_NONE);
2774 fib_table_entry_path_add(fib_index,
2777 FIB_ENTRY_FLAG_NONE,
2779 &pfx_5_5_5_5_s_32.fp_addr,
2780 ~0, // no index provided.
2784 FIB_ROUTE_PATH_FLAG_NONE);
2786 * +3 entries, +3 shared path-list
2788 FIB_TEST((4 == fib_path_list_db_size()), "path list DB population:%d",
2789 fib_path_list_db_size());
2790 FIB_TEST((PNBR+8 == fib_path_list_pool_size()), "path list pool size is %d",
2791 fib_path_list_pool_size());
2792 FIB_TEST((ENBR+10 == fib_entry_pool_size()), "entry pool size is %d",
2793 fib_entry_pool_size());
2796 * All the entries have only looped paths, so they are all drop
2798 fei = fib_table_lookup(fib_index, &pfx_5_5_5_7_s_32);
2799 FIB_TEST(load_balance_is_drop(fib_entry_contribute_ip_forwarding(fei)),
2800 "LB for 5.5.5.7/32 is via adj for DROP");
2801 fei = fib_table_lookup(fib_index, &pfx_5_5_5_5_s_32);
2802 FIB_TEST(load_balance_is_drop(fib_entry_contribute_ip_forwarding(fei)),
2803 "LB for 5.5.5.5/32 is via adj for DROP");
2804 fei = fib_table_lookup(fib_index, &pfx_5_5_5_6_s_32);
2805 FIB_TEST(load_balance_is_drop(fib_entry_contribute_ip_forwarding(fei)),
2806 "LB for 5.5.5.6/32 is via adj for DROP");
2809 * provide 5.5.5.6/32 with alternate path.
2810 * this will allow only 5.5.5.6/32 to forward with this path, the others
2811 * are still drop since the loop is still present.
2813 fib_table_entry_path_add(fib_index,
2816 FIB_ENTRY_FLAG_NONE,
2819 tm->hw[0]->sw_if_index,
2823 FIB_ROUTE_PATH_FLAG_NONE);
2825 fei = fib_table_lookup(fib_index, &pfx_5_5_5_6_s_32);
2826 dpo1 = fib_entry_contribute_ip_forwarding(fei);
2828 lb = load_balance_get(dpo1->dpoi_index);
2829 FIB_TEST((lb->lb_n_buckets == 1), "5.5.5.6 LB has %d bucket", lb->lb_n_buckets);
2831 dpo2 = load_balance_get_bucket(dpo1->dpoi_index, 0);
2832 FIB_TEST(DPO_ADJACENCY == dpo2->dpoi_type, "type is %d", dpo2->dpoi_type);
2833 FIB_TEST((ai_01 == dpo2->dpoi_index),
2834 "5.5.5.6 bucket 0 resolves via 10.10.10.2");
2836 fei = fib_table_lookup(fib_index, &pfx_5_5_5_7_s_32);
2837 FIB_TEST(load_balance_is_drop(fib_entry_contribute_ip_forwarding(fei)),
2838 "LB for 5.5.5.7/32 is via adj for DROP");
2839 fei = fib_table_lookup(fib_index, &pfx_5_5_5_5_s_32);
2840 FIB_TEST(load_balance_is_drop(fib_entry_contribute_ip_forwarding(fei)),
2841 "LB for 5.5.5.5/32 is via adj for DROP");
2844 * remove the alternate path for 5.5.5.6/32
2847 fib_table_entry_path_remove(fib_index,
2852 tm->hw[0]->sw_if_index,
2855 FIB_ROUTE_PATH_FLAG_NONE);
2857 fei = fib_table_lookup(fib_index, &pfx_5_5_5_7_s_32);
2858 FIB_TEST(load_balance_is_drop(fib_entry_contribute_ip_forwarding(fei)),
2859 "LB for 5.5.5.7/32 is via adj for DROP");
2860 fei = fib_table_lookup(fib_index, &pfx_5_5_5_5_s_32);
2861 FIB_TEST(load_balance_is_drop(fib_entry_contribute_ip_forwarding(fei)),
2862 "LB for 5.5.5.5/32 is via adj for DROP");
2863 fei = fib_table_lookup(fib_index, &pfx_5_5_5_6_s_32);
2864 FIB_TEST(load_balance_is_drop(fib_entry_contribute_ip_forwarding(fei)),
2865 "LB for 5.5.5.6/32 is via adj for DROP");
2868 * break the loop by giving 5.5.5.5/32 a new set of paths
2869 * expect all to forward via this new path.
2871 fib_table_entry_update_one_path(fib_index,
2874 FIB_ENTRY_FLAG_NONE,
2877 tm->hw[0]->sw_if_index,
2878 ~0, // invalid fib index
2881 FIB_ROUTE_PATH_FLAG_NONE);
2883 fei = fib_table_lookup(fib_index, &pfx_5_5_5_5_s_32);
2884 dpo1 = fib_entry_contribute_ip_forwarding(fei);
2885 lb = load_balance_get(dpo1->dpoi_index);
2886 FIB_TEST((lb->lb_n_buckets == 1), "5.5.5.5 LB has %d bucket", lb->lb_n_buckets);
2888 dpo2 = load_balance_get_bucket(dpo1->dpoi_index, 0);
2889 FIB_TEST(DPO_ADJACENCY == dpo2->dpoi_type, "type is %d", dpo2->dpoi_type);
2890 FIB_TEST((ai_01 == dpo2->dpoi_index),
2891 "5.5.5.5 bucket 0 resolves via 10.10.10.2");
2893 fei = fib_table_lookup_exact_match(fib_index, &pfx_5_5_5_7_s_32);
2894 dpo2 = fib_entry_contribute_ip_forwarding(fei);
2896 lb = load_balance_get(dpo2->dpoi_index);
2897 FIB_TEST((lb->lb_n_buckets == 1), "Recursive LB has %d bucket", lb->lb_n_buckets);
2898 FIB_TEST(!dpo_cmp(dpo1, load_balance_get_bucket(dpo2->dpoi_index, 0)),
2899 "5.5.5.5.7 via 5.5.5.5");
2901 fei = fib_table_lookup_exact_match(fib_index, &pfx_5_5_5_6_s_32);
2902 dpo1 = fib_entry_contribute_ip_forwarding(fei);
2904 lb = load_balance_get(dpo1->dpoi_index);
2905 FIB_TEST((lb->lb_n_buckets == 1), "Recursive LB has %d bucket", lb->lb_n_buckets);
2906 FIB_TEST(!dpo_cmp(dpo2, load_balance_get_bucket(dpo1->dpoi_index, 0)),
2907 "5.5.5.5.6 via 5.5.5.7");
2910 * revert back to the loop. so we can remove the prefixes with
2913 fib_table_entry_update_one_path(fib_index,
2916 FIB_ENTRY_FLAG_NONE,
2918 &pfx_5_5_5_6_s_32.fp_addr,
2919 ~0, // no index provided.
2923 FIB_ROUTE_PATH_FLAG_NONE);
2925 fei = fib_table_lookup(fib_index, &pfx_5_5_5_7_s_32);
2926 FIB_TEST(load_balance_is_drop(fib_entry_contribute_ip_forwarding(fei)),
2927 "LB for 5.5.5.7/32 is via adj for DROP");
2928 fei = fib_table_lookup(fib_index, &pfx_5_5_5_5_s_32);
2929 FIB_TEST(load_balance_is_drop(fib_entry_contribute_ip_forwarding(fei)),
2930 "LB for 5.5.5.5/32 is via adj for DROP");
2931 fei = fib_table_lookup(fib_index, &pfx_5_5_5_6_s_32);
2932 FIB_TEST(load_balance_is_drop(fib_entry_contribute_ip_forwarding(fei)),
2933 "LB for 5.5.5.6/32 is via adj for DROP");
2936 * remove all the 5.5.5.x/32 prefixes
2938 fib_table_entry_path_remove(fib_index,
2942 &pfx_5_5_5_6_s_32.fp_addr,
2943 ~0, // no index provided.
2944 fib_index, // same as route's FIB
2946 FIB_ROUTE_PATH_FLAG_NONE);
2947 fib_table_entry_path_remove(fib_index,
2951 &pfx_5_5_5_7_s_32.fp_addr,
2952 ~0, // no index provided.
2953 fib_index, // same as route's FIB
2955 FIB_ROUTE_PATH_FLAG_NONE);
2956 fib_table_entry_path_remove(fib_index,
2960 &pfx_5_5_5_5_s_32.fp_addr,
2961 ~0, // no index provided.
2962 fib_index, // same as route's FIB
2964 FIB_ROUTE_PATH_FLAG_NONE);
2965 fib_table_entry_path_remove(fib_index,
2970 ~0, // no index provided.
2971 fib_index, // same as route's FIB
2973 FIB_ROUTE_PATH_FLAG_NONE);
2976 * -3 entries, -3 shared path-list
2978 FIB_TEST((1 == fib_path_list_db_size()), "path list DB population:%d",
2979 fib_path_list_db_size());
2980 FIB_TEST((PNBR+5 == fib_path_list_pool_size()), "path list pool size is %d",
2981 fib_path_list_pool_size());
2982 FIB_TEST((ENBR+7 == fib_entry_pool_size()), "entry pool size is %d",
2983 fib_entry_pool_size());
2986 * Single level loop 5.5.5.5/32 via 5.5.5.5/32
2988 fib_table_entry_path_add(fib_index,
2991 FIB_ENTRY_FLAG_NONE,
2993 &pfx_5_5_5_6_s_32.fp_addr,
2994 ~0, // no index provided.
2998 FIB_ROUTE_PATH_FLAG_NONE);
2999 fei = fib_table_lookup(fib_index, &pfx_5_5_5_6_s_32);
3000 FIB_TEST(load_balance_is_drop(fib_entry_contribute_ip_forwarding(fei)),
3001 "1-level 5.5.5.6/32 loop is via adj for DROP");
3003 fib_table_entry_path_remove(fib_index,
3007 &pfx_5_5_5_6_s_32.fp_addr,
3008 ~0, // no index provided.
3009 fib_index, // same as route's FIB
3011 FIB_ROUTE_PATH_FLAG_NONE);
3012 FIB_TEST(FIB_NODE_INDEX_INVALID ==
3013 fib_table_lookup_exact_match(fib_index, &pfx_5_5_5_6_s_32),
3014 "1-level 5.5.5.6/32 loop is removed");
3017 * A recursive route whose next-hop is covered by the prefix.
3018 * This would mean the via-fib, which inherits forwarding from its
3019 * cover, thus picks up forwarding from the prfix, which is via the
3020 * via-fib, and we have a loop.
3022 fib_prefix_t pfx_23_23_23_0_s_24 = {
3024 .fp_proto = FIB_PROTOCOL_IP4,
3026 .ip4.as_u32 = clib_host_to_net_u32(0x17171700),
3029 fib_prefix_t pfx_23_23_23_23_s_32 = {
3031 .fp_proto = FIB_PROTOCOL_IP4,
3033 .ip4.as_u32 = clib_host_to_net_u32(0x17171717),
3036 fei = fib_table_entry_path_add(fib_index,
3037 &pfx_23_23_23_0_s_24,
3039 FIB_ENTRY_FLAG_NONE,
3041 &pfx_23_23_23_23_s_32.fp_addr,
3046 FIB_ROUTE_PATH_FLAG_NONE);
3047 dpo = fib_entry_contribute_ip_forwarding(fei);
3048 FIB_TEST(load_balance_is_drop(dpo),
3049 "23.23.23.0/24 via covered is DROP");
3050 fib_table_entry_delete_index(fei, FIB_SOURCE_API);
3053 * add-remove test. no change.
3055 FIB_TEST((1 == fib_path_list_db_size()), "path list DB population:%d",
3056 fib_path_list_db_size());
3057 FIB_TEST((PNBR+5 == fib_path_list_pool_size()), "path list pool size is %d",
3058 fib_path_list_pool_size());
3059 FIB_TEST((ENBR+7 == fib_entry_pool_size()), "entry pool size is %d",
3060 fib_entry_pool_size());
3063 * Make the default route recursive via a unknown next-hop. Thus the
3064 * next hop's cover would be the default route
3066 fei = fib_table_entry_path_add(fib_index,
3069 FIB_ENTRY_FLAG_NONE,
3071 &pfx_23_23_23_23_s_32.fp_addr,
3076 FIB_ROUTE_PATH_FLAG_NONE);
3077 dpo = fib_entry_contribute_ip_forwarding(fei);
3078 FIB_TEST(load_balance_is_drop(dpo),
3079 "0.0.0.0.0/0 via is DROP");
3080 FIB_TEST((fib_entry_get_resolving_interface(fei) == ~0),
3081 "no resolving interface for looped 0.0.0.0/0");
3083 fei = fib_table_lookup_exact_match(fib_index, &pfx_23_23_23_23_s_32);
3084 dpo = fib_entry_contribute_ip_forwarding(fei);
3085 FIB_TEST(load_balance_is_drop(dpo),
3086 "23.23.23.23/32 via is DROP");
3087 FIB_TEST((fib_entry_get_resolving_interface(fei) == ~0),
3088 "no resolving interface for looped 23.23.23.23/32");
3090 fib_table_entry_delete(fib_index, &pfx_0_0_0_0_s_0, FIB_SOURCE_API);
3093 * A recursive route with recursion constraints.
3094 * 200.200.200.200/32 via 1.1.1.1 is recurse via host constrained
3096 fib_table_entry_path_add(fib_index,
3099 FIB_ENTRY_FLAG_NONE,
3106 FIB_ROUTE_PATH_RESOLVE_VIA_HOST);
3108 fei = fib_table_lookup_exact_match(fib_index, &pfx_1_1_1_1_s_32);
3109 dpo2 = fib_entry_contribute_ip_forwarding(fei);
3111 fei = fib_table_lookup_exact_match(fib_index, &bgp_200_pfx);
3112 dpo1 = fib_entry_contribute_ip_forwarding(fei);
3114 FIB_TEST(!dpo_cmp(dpo2, load_balance_get_bucket(dpo1->dpoi_index, 0)),
3115 "adj for 200.200.200.200/32 is recursive via adj for 1.1.1.1");
3118 * save the load-balance. we expect it to be inplace modified
3120 lb = load_balance_get(dpo1->dpoi_index);
3123 * add a covering prefix for the via fib that would otherwise serve
3124 * as the resolving route when the host is removed
3126 fib_table_entry_path_add(fib_index,
3129 FIB_ENTRY_FLAG_NONE,
3132 tm->hw[0]->sw_if_index,
3133 ~0, // invalid fib index
3136 FIB_ROUTE_PATH_FLAG_NONE);
3137 fei = fib_table_lookup_exact_match(fib_index, &pfx_1_1_1_0_s_28);
3138 ai = fib_entry_get_adj(fei);
3139 FIB_TEST((ai == ai_01),
3140 "adj for 1.1.1.0/28 is via adj for 1.1.1.1");
3143 * remove the host via FIB - expect the BGP prefix to be drop
3145 fib_table_entry_path_remove(fib_index,
3150 tm->hw[0]->sw_if_index,
3151 ~0, // invalid fib index
3153 FIB_ROUTE_PATH_FLAG_NONE);
3155 FIB_TEST(!dpo_cmp(dpo_drop, load_balance_get_bucket(dpo1->dpoi_index, 0)),
3156 "adj for 200.200.200.200/32 is recursive via adj for DROP");
3159 * add the via-entry host reoute back. expect to resolve again
3161 fib_table_entry_path_add(fib_index,
3164 FIB_ENTRY_FLAG_NONE,
3167 tm->hw[0]->sw_if_index,
3168 ~0, // invalid fib index
3171 FIB_ROUTE_PATH_FLAG_NONE);
3172 FIB_TEST(!dpo_cmp(dpo2, load_balance_get_bucket(dpo1->dpoi_index, 0)),
3173 "adj for 200.200.200.200/32 is recursive via adj for 1.1.1.1");
3176 * add another path for the recursive. it will then have 2.
3178 fib_prefix_t pfx_1_1_1_3_s_32 = {
3180 .fp_proto = FIB_PROTOCOL_IP4,
3182 .ip4.as_u32 = clib_host_to_net_u32(0x01010103),
3185 fib_table_entry_path_add(fib_index,
3188 FIB_ENTRY_FLAG_NONE,
3191 tm->hw[0]->sw_if_index,
3192 ~0, // invalid fib index
3195 FIB_ROUTE_PATH_FLAG_NONE);
3197 fib_table_entry_path_add(fib_index,
3200 FIB_ENTRY_FLAG_NONE,
3202 &pfx_1_1_1_3_s_32.fp_addr,
3207 FIB_ROUTE_PATH_RESOLVE_VIA_HOST);
3210 * add a bunch load more entries using this path combo so that we get
3211 * an LB-map created.
3214 fib_prefix_t bgp_78s[N_P];
3215 for (ii = 0; ii < N_P; ii++)
3217 bgp_78s[ii].fp_len = 32;
3218 bgp_78s[ii].fp_proto = FIB_PROTOCOL_IP4;
3219 bgp_78s[ii].fp_addr.ip4.as_u32 = clib_host_to_net_u32(0x4e000000+ii);
3222 fib_table_entry_path_add(fib_index,
3225 FIB_ENTRY_FLAG_NONE,
3227 &pfx_1_1_1_3_s_32.fp_addr,
3232 FIB_ROUTE_PATH_RESOLVE_VIA_HOST);
3233 fib_table_entry_path_add(fib_index,
3236 FIB_ENTRY_FLAG_NONE,
3243 FIB_ROUTE_PATH_RESOLVE_VIA_HOST);
3246 fei = fib_table_lookup_exact_match(fib_index, &bgp_200_pfx);
3247 dpo = fib_entry_contribute_ip_forwarding(fei);
3249 fei = fib_table_lookup_exact_match(fib_index, &pfx_1_1_1_1_s_32);
3250 dpo2 = fib_entry_contribute_ip_forwarding(fei);
3251 FIB_TEST(!dpo_cmp(dpo2, load_balance_get_bucket(dpo->dpoi_index, 0)),
3252 "adj for 200.200.200.200/32 is recursive via adj for 1.1.1.1");
3253 fei = fib_table_lookup_exact_match(fib_index, &pfx_1_1_1_3_s_32);
3254 dpo1 = fib_entry_contribute_ip_forwarding(fei);
3255 FIB_TEST(!dpo_cmp(dpo1, load_balance_get_bucket(dpo->dpoi_index, 1)),
3256 "adj for 200.200.200.200/32 is recursive via adj for 1.1.1.3");
3259 * expect the lb-map used by the recursive's load-balance is using both buckets
3261 load_balance_map_t *lbm;
3264 lb = load_balance_get(dpo->dpoi_index);
3266 load_balance_map_lock(lbmi);
3267 lbm = load_balance_map_get(lbmi);
3269 FIB_TEST(lbm->lbm_buckets[0] == 0,
3270 "LB maps's bucket 0 is %d",
3271 lbm->lbm_buckets[0]);
3272 FIB_TEST(lbm->lbm_buckets[1] == 1,
3273 "LB maps's bucket 1 is %d",
3274 lbm->lbm_buckets[1]);
3277 * withdraw one of the /32 via-entrys.
3278 * that ECMP path will be unresolved and forwarding should continue on the
3279 * other available path. this is an iBGP PIC edge failover.
3280 * Test the forwarding changes without re-fetching the adj from the
3281 * recursive entry. this ensures its the same one that is updated; i.e. an
3284 fib_table_entry_path_remove(fib_index,
3289 tm->hw[0]->sw_if_index,
3290 ~0, // invalid fib index
3292 FIB_ROUTE_PATH_FLAG_NONE);
3294 /* suspend so the update walk kicks int */
3295 vlib_process_suspend(vlib_get_main(), 1e-5);
3297 fei = fib_table_lookup_exact_match(fib_index, &bgp_200_pfx);
3298 FIB_TEST(!dpo_cmp(dpo, fib_entry_contribute_ip_forwarding(fei)),
3299 "post PIC 200.200.200.200/32 was inplace modified");
3301 FIB_TEST(!dpo_cmp(dpo1, load_balance_get_bucket_i(lb, 0)),
3302 "post PIC adj for 200.200.200.200/32 is recursive"
3303 " via adj for 1.1.1.3");
3306 * the LB maps that was locked above should have been modified to remove
3307 * the path that was down, and thus its bucket points to a path that is
3310 FIB_TEST(lbm->lbm_buckets[0] == 1,
3311 "LB maps's bucket 0 is %d",
3312 lbm->lbm_buckets[0]);
3313 FIB_TEST(lbm->lbm_buckets[1] == 1,
3314 "LB maps's bucket 1 is %d",
3315 lbm->lbm_buckets[1]);
3317 load_balance_map_unlock(lbmi);
3320 * add it back. again
3322 fib_table_entry_path_add(fib_index,
3325 FIB_ENTRY_FLAG_NONE,
3328 tm->hw[0]->sw_if_index,
3329 ~0, // invalid fib index
3332 FIB_ROUTE_PATH_FLAG_NONE);
3334 /* suspend so the update walk kicks in */
3335 vlib_process_suspend(vlib_get_main(), 1e-5);
3337 FIB_TEST(!dpo_cmp(dpo2, load_balance_get_bucket_i(lb, 0)),
3338 "post PIC recovery adj for 200.200.200.200/32 is recursive "
3339 "via adj for 1.1.1.1");
3340 FIB_TEST(!dpo_cmp(dpo1, load_balance_get_bucket_i(lb, 1)),
3341 "post PIC recovery adj for 200.200.200.200/32 is recursive "
3342 "via adj for 1.1.1.3");
3344 fei = fib_table_lookup_exact_match(fib_index, &bgp_200_pfx);
3345 dpo = fib_entry_contribute_ip_forwarding(fei);
3346 FIB_TEST(lb == load_balance_get(dpo->dpoi_index),
3347 "post PIC 200.200.200.200/32 was inplace modified");
3350 * add a 3rd path. this makes the LB 16 buckets.
3352 fib_table_entry_path_add(fib_index,
3355 FIB_ENTRY_FLAG_NONE,
3357 &pfx_1_1_1_2_s_32.fp_addr,
3362 FIB_ROUTE_PATH_RESOLVE_VIA_HOST);
3363 for (ii = 0; ii < N_P; ii++)
3365 fib_table_entry_path_add(fib_index,
3368 FIB_ENTRY_FLAG_NONE,
3370 &pfx_1_1_1_2_s_32.fp_addr,
3375 FIB_ROUTE_PATH_RESOLVE_VIA_HOST);
3378 fei = fib_table_lookup_exact_match(fib_index, &bgp_200_pfx);
3379 dpo = fib_entry_contribute_ip_forwarding(fei);
3380 FIB_TEST(lb == load_balance_get(dpo->dpoi_index),
3381 "200.200.200.200/32 was inplace modified for 3rd path");
3382 FIB_TEST(16 == lb->lb_n_buckets,
3383 "200.200.200.200/32 was inplace modified for 3rd path to 16 buckets");
3386 load_balance_map_lock(lbmi);
3387 lbm = load_balance_map_get(lbmi);
3389 for (ii = 0; ii < 16; ii++)
3391 FIB_TEST(lbm->lbm_buckets[ii] == ii,
3392 "LB Map for 200.200.200.200/32 at %d is %d",
3393 ii, lbm->lbm_buckets[ii]);
3397 * trigger PIC by removing the first via-entry
3398 * the first 6 buckets of the map should map to the next 6
3400 fib_table_entry_path_remove(fib_index,
3405 tm->hw[0]->sw_if_index,
3408 FIB_ROUTE_PATH_FLAG_NONE);
3409 /* suspend so the update walk kicks int */
3410 vlib_process_suspend(vlib_get_main(), 1e-5);
3412 fei = fib_table_lookup_exact_match(fib_index, &bgp_200_pfx);
3413 dpo = fib_entry_contribute_ip_forwarding(fei);
3414 FIB_TEST(lb == load_balance_get(dpo->dpoi_index),
3415 "200.200.200.200/32 was inplace modified for 3rd path");
3416 FIB_TEST(2 == lb->lb_n_buckets,
3417 "200.200.200.200/32 was inplace modified for 3rd path remove to 2 buckets");
3419 for (ii = 0; ii < 6; ii++)
3421 FIB_TEST(lbm->lbm_buckets[ii] == ii+6,
3422 "LB Map for 200.200.200.200/32 at %d is %d",
3423 ii, lbm->lbm_buckets[ii]);
3425 for (ii = 6; ii < 16; ii++)
3427 FIB_TEST(lbm->lbm_buckets[ii] == ii,
3428 "LB Map for 200.200.200.200/32 at %d is %d",
3429 ii, lbm->lbm_buckets[ii]);
3431 load_balance_map_unlock(lbmi);
3436 fib_table_entry_path_add(fib_index,
3439 FIB_ENTRY_FLAG_NONE,
3442 tm->hw[0]->sw_if_index,
3446 FIB_ROUTE_PATH_FLAG_NONE);
3448 for (ii = 0; ii < N_P; ii++)
3450 fib_table_entry_delete(fib_index,
3453 FIB_TEST((FIB_NODE_INDEX_INVALID ==
3454 fib_table_lookup_exact_match(fib_index, &bgp_78s[ii])),
3456 format_fib_prefix, &bgp_78s[ii]);
3458 fib_table_entry_path_remove(fib_index,
3462 &pfx_1_1_1_2_s_32.fp_addr,
3466 MPLS_LABEL_INVALID);
3467 fib_table_entry_path_remove(fib_index,
3475 FIB_ROUTE_PATH_RESOLVE_VIA_HOST);
3476 fib_table_entry_path_remove(fib_index,
3480 &pfx_1_1_1_3_s_32.fp_addr,
3484 FIB_ROUTE_PATH_RESOLVE_VIA_HOST);
3485 fib_table_entry_delete(fib_index,
3488 fib_table_entry_delete(fib_index,
3491 /* suspend so the update walk kicks int */
3492 vlib_process_suspend(vlib_get_main(), 1e-5);
3493 FIB_TEST((FIB_NODE_INDEX_INVALID ==
3494 fib_table_lookup_exact_match(fib_index, &pfx_1_1_1_0_s_28)),
3495 "1.1.1.1/28 removed");
3496 FIB_TEST((FIB_NODE_INDEX_INVALID ==
3497 fib_table_lookup_exact_match(fib_index, &pfx_1_1_1_3_s_32)),
3498 "1.1.1.3/32 removed");
3499 FIB_TEST((FIB_NODE_INDEX_INVALID ==
3500 fib_table_lookup_exact_match(fib_index, &bgp_200_pfx)),
3501 "200.200.200.200/32 removed");
3504 * add-remove test. no change.
3506 FIB_TEST((1 == fib_path_list_db_size()), "path list DB population:%d",
3507 fib_path_list_db_size());
3508 FIB_TEST((PNBR+5 == fib_path_list_pool_size()), "path list pool size is %d",
3509 fib_path_list_pool_size());
3510 FIB_TEST((ENBR+7 == fib_entry_pool_size()), "entry pool size is %d",
3511 fib_entry_pool_size());
3514 * A route whose paths are built up iteratively and then removed
3517 fib_prefix_t pfx_4_4_4_4_s_32 = {
3519 .fp_proto = FIB_PROTOCOL_IP4,
3522 .ip4.as_u32 = clib_host_to_net_u32(0x04040404),
3526 fib_table_entry_path_add(fib_index,
3529 FIB_ENTRY_FLAG_NONE,
3532 tm->hw[0]->sw_if_index,
3536 FIB_ROUTE_PATH_FLAG_NONE);
3537 fib_table_entry_path_add(fib_index,
3540 FIB_ENTRY_FLAG_NONE,
3543 tm->hw[0]->sw_if_index,
3547 FIB_ROUTE_PATH_FLAG_NONE);
3548 fib_table_entry_path_add(fib_index,
3551 FIB_ENTRY_FLAG_NONE,
3554 tm->hw[0]->sw_if_index,
3558 FIB_ROUTE_PATH_FLAG_NONE);
3559 FIB_TEST(FIB_NODE_INDEX_INVALID !=
3560 fib_table_lookup_exact_match(fib_index, &pfx_4_4_4_4_s_32),
3561 "4.4.4.4/32 present");
3563 fib_table_entry_delete(fib_index,
3566 FIB_TEST(FIB_NODE_INDEX_INVALID ==
3567 fib_table_lookup_exact_match(fib_index, &pfx_4_4_4_4_s_32),
3568 "4.4.4.4/32 removed");
3571 * add-remove test. no change.
3573 FIB_TEST((1 == fib_path_list_db_size()), "path list DB population:%d",
3574 fib_path_list_db_size());
3575 FIB_TEST((PNBR+5 == fib_path_list_pool_size()), "path list pool size is %d",
3576 fib_path_list_pool_size());
3577 FIB_TEST((ENBR+7 == fib_entry_pool_size()), "entry pool size is %d",
3578 fib_entry_pool_size());
3581 * A route with multiple paths at once
3583 fib_route_path_t *r_paths = NULL;
3585 for (ii = 0; ii < 4; ii++)
3587 fib_route_path_t r_path = {
3588 .frp_proto = DPO_PROTO_IP4,
3590 .ip4.as_u32 = clib_host_to_net_u32(0x0a0a0a02 + ii),
3592 .frp_sw_if_index = tm->hw[0]->sw_if_index,
3594 .frp_fib_index = ~0,
3596 vec_add1(r_paths, r_path);
3599 fib_table_entry_update(fib_index,
3602 FIB_ENTRY_FLAG_NONE,
3605 fei = fib_table_lookup_exact_match(fib_index, &pfx_4_4_4_4_s_32);
3606 FIB_TEST((FIB_NODE_INDEX_INVALID != fei), "4.4.4.4/32 present");
3607 dpo = fib_entry_contribute_ip_forwarding(fei);
3609 lb = load_balance_get(dpo->dpoi_index);
3610 FIB_TEST((lb->lb_n_buckets == 4), "4.4.4.4/32 lb over %d paths", lb->lb_n_buckets);
3612 fib_table_entry_delete(fib_index,
3615 FIB_TEST(FIB_NODE_INDEX_INVALID ==
3616 fib_table_lookup_exact_match(fib_index, &pfx_4_4_4_4_s_32),
3617 "4.4.4.4/32 removed");
3621 * add-remove test. no change.
3623 FIB_TEST((1 == fib_path_list_db_size()), "path list DB population:%d",
3624 fib_path_list_db_size());
3625 FIB_TEST((PNBR+5 == fib_path_list_pool_size()), "path list pool size is %d",
3626 fib_path_list_pool_size());
3627 FIB_TEST((ENBR+7 == fib_entry_pool_size()), "entry pool size is %d",
3628 fib_entry_pool_size());
3631 * A route deag route
3633 fib_table_entry_path_add(fib_index,
3636 FIB_ENTRY_FLAG_NONE,
3643 FIB_ROUTE_PATH_FLAG_NONE);
3645 fei = fib_table_lookup_exact_match(fib_index, &pfx_4_4_4_4_s_32);
3646 FIB_TEST((FIB_NODE_INDEX_INVALID != fei), "4.4.4.4/32 present");
3648 dpo = fib_entry_contribute_ip_forwarding(fei);
3649 dpo = load_balance_get_bucket(dpo->dpoi_index, 0);
3650 lookup_dpo_t *lkd = lookup_dpo_get(dpo->dpoi_index);
3652 FIB_TEST((fib_index == lkd->lkd_fib_index),
3653 "4.4.4.4/32 is deag in %d %U",
3655 format_dpo_id, dpo, 0);
3656 FIB_TEST((LOOKUP_INPUT_DST_ADDR == lkd->lkd_input),
3657 "4.4.4.4/32 is source deag in %d %U",
3659 format_dpo_id, dpo, 0);
3661 fib_table_entry_delete(fib_index,
3664 FIB_TEST(FIB_NODE_INDEX_INVALID ==
3665 fib_table_lookup_exact_match(fib_index, &pfx_4_4_4_4_s_32),
3666 "4.4.4.4/32 removed");
3670 * A route deag route in a source lookup table
3672 fib_table_entry_path_add(fib_index,
3675 FIB_ENTRY_FLAG_NONE,
3682 FIB_ROUTE_PATH_SOURCE_LOOKUP);
3684 fei = fib_table_lookup_exact_match(fib_index, &pfx_4_4_4_4_s_32);
3685 FIB_TEST((FIB_NODE_INDEX_INVALID != fei), "4.4.4.4/32 present");
3687 dpo = fib_entry_contribute_ip_forwarding(fei);
3688 dpo = load_balance_get_bucket(dpo->dpoi_index, 0);
3689 lkd = lookup_dpo_get(dpo->dpoi_index);
3691 FIB_TEST((fib_index == lkd->lkd_fib_index),
3692 "4.4.4.4/32 is deag in %d %U",
3694 format_dpo_id, dpo, 0);
3695 FIB_TEST((LOOKUP_INPUT_SRC_ADDR == lkd->lkd_input),
3696 "4.4.4.4/32 is source deag in %d %U",
3698 format_dpo_id, dpo, 0);
3700 fib_table_entry_delete(fib_index,
3703 FIB_TEST(FIB_NODE_INDEX_INVALID ==
3704 fib_table_lookup_exact_match(fib_index, &pfx_4_4_4_4_s_32),
3705 "4.4.4.4/32 removed");
3709 * add-remove test. no change.
3711 FIB_TEST((1 == fib_path_list_db_size()), "path list DB population:%d",
3712 fib_path_list_db_size());
3713 FIB_TEST((PNBR+5 == fib_path_list_pool_size()), "path list pool size is %d",
3714 fib_path_list_pool_size());
3715 FIB_TEST((ENBR+7 == fib_entry_pool_size()), "entry pool size is %d",
3716 fib_entry_pool_size());
3720 * add a recursive with duplicate paths. Expect the duplicate to be ignored.
3722 fib_prefix_t pfx_34_1_1_1_s_32 = {
3724 .fp_proto = FIB_PROTOCOL_IP4,
3726 .ip4.as_u32 = clib_host_to_net_u32(0x22010101),
3729 fib_prefix_t pfx_34_34_1_1_s_32 = {
3731 .fp_proto = FIB_PROTOCOL_IP4,
3733 .ip4.as_u32 = clib_host_to_net_u32(0x22220101),
3736 fei = fib_table_entry_path_add(fib_index,
3737 &pfx_34_34_1_1_s_32,
3739 FIB_ENTRY_FLAG_NONE,
3742 tm->hw[0]->sw_if_index,
3746 FIB_ROUTE_PATH_FLAG_NONE);
3747 fei = fib_table_entry_path_add(fib_index,
3750 FIB_ENTRY_FLAG_NONE,
3752 &pfx_34_34_1_1_s_32.fp_addr,
3757 FIB_ROUTE_PATH_FLAG_NONE);
3758 fei = fib_table_entry_path_add(fib_index,
3761 FIB_ENTRY_FLAG_NONE,
3763 &pfx_34_34_1_1_s_32.fp_addr,
3768 FIB_ROUTE_PATH_FLAG_NONE);
3769 FIB_TEST_REC_FORW(&pfx_34_1_1_1_s_32, &pfx_34_34_1_1_s_32, 0);
3770 fib_table_entry_delete_index(fei, FIB_SOURCE_API);
3771 fib_table_entry_delete(fib_index,
3772 &pfx_34_34_1_1_s_32,
3777 * remove: 1.1.1.2/32, 1.1.2.0/24 and 1.1.1.1/32
3778 * all of which are via 10.10.10.1, Itf1
3780 fib_table_entry_path_remove(fib_index,
3785 tm->hw[0]->sw_if_index,
3788 FIB_ROUTE_PATH_FLAG_NONE);
3789 fib_table_entry_path_remove(fib_index,
3794 tm->hw[0]->sw_if_index,
3797 FIB_ROUTE_PATH_FLAG_NONE);
3798 fib_table_entry_path_remove(fib_index,
3803 tm->hw[0]->sw_if_index,
3806 FIB_ROUTE_PATH_FLAG_NONE);
3808 FIB_TEST(FIB_NODE_INDEX_INVALID ==
3809 fib_table_lookup_exact_match(fib_index, &pfx_1_1_1_1_s_32),
3810 "1.1.1.1/32 removed");
3811 FIB_TEST(FIB_NODE_INDEX_INVALID ==
3812 fib_table_lookup_exact_match(fib_index, &pfx_1_1_1_2_s_32),
3813 "1.1.1.2/32 removed");
3814 FIB_TEST(FIB_NODE_INDEX_INVALID ==
3815 fib_table_lookup_exact_match(fib_index, &pfx_1_1_2_0_s_24),
3816 "1.1.2.0/24 removed");
3819 * -3 entries and -1 shared path-list
3821 FIB_TEST((0 == fib_path_list_db_size()), "path list DB population:%d",
3822 fib_path_list_db_size());
3823 FIB_TEST((PNBR+4 == fib_path_list_pool_size()), "path list pool size is %d",
3824 fib_path_list_pool_size());
3825 FIB_TEST((ENBR+4 == fib_entry_pool_size()), "entry pool size is %d",
3826 fib_entry_pool_size());
3829 * An attached-host route. Expect to link to the incomplete adj
3831 fib_prefix_t pfx_4_1_1_1_s_32 = {
3833 .fp_proto = FIB_PROTOCOL_IP4,
3836 .ip4.as_u32 = clib_host_to_net_u32(0x04010101),
3839 fib_table_entry_path_add(fib_index,
3842 FIB_ENTRY_FLAG_NONE,
3845 tm->hw[0]->sw_if_index,
3849 FIB_ROUTE_PATH_FLAG_NONE);
3851 fei = fib_table_lookup_exact_match(fib_index, &pfx_4_1_1_1_s_32);
3852 FIB_TEST((FIB_NODE_INDEX_INVALID != fei), "4.1.1.1/32 present");
3853 ai = fib_entry_get_adj(fei);
3855 ai2 = adj_nbr_add_or_lock(FIB_PROTOCOL_IP4,
3857 &pfx_4_1_1_1_s_32.fp_addr,
3858 tm->hw[0]->sw_if_index);
3859 FIB_TEST((ai == ai2), "Attached-host link to incomplete ADJ");
3863 * +1 entry and +1 shared path-list
3865 FIB_TEST((1 == fib_path_list_db_size()), "path list DB population:%d",
3866 fib_path_list_db_size());
3867 FIB_TEST((PNBR+5 == fib_path_list_pool_size()), "path list pool size is %d",
3868 fib_path_list_pool_size());
3869 FIB_TEST((ENBR+5 == fib_entry_pool_size()), "entry pool size is %d",
3870 fib_entry_pool_size());
3872 fib_table_entry_delete(fib_index,
3876 FIB_TEST((0 == fib_path_list_db_size()), "path list DB population:%d",
3877 fib_path_list_db_size());
3878 FIB_TEST((PNBR+4 == fib_path_list_pool_size()), "path list pool size is %d",
3879 fib_path_list_pool_size());
3880 FIB_TEST((ENBR+4 == fib_entry_pool_size()), "entry pool size is %d",
3881 fib_entry_pool_size());
3884 * add a v6 prefix via v4 next-hops
3886 fib_prefix_t pfx_2001_s_64 = {
3888 .fp_proto = FIB_PROTOCOL_IP6,
3890 .ip6.as_u64[0] = clib_host_to_net_u64(0x2001000000000000),
3893 fei = fib_table_entry_path_add(0, //default v6 table
3896 FIB_ENTRY_FLAG_NONE,
3899 tm->hw[0]->sw_if_index,
3903 FIB_ROUTE_PATH_FLAG_NONE);
3905 fei = fib_table_lookup_exact_match(0, &pfx_2001_s_64);
3906 FIB_TEST((FIB_NODE_INDEX_INVALID != fei), "2001::/64 present");
3907 ai = fib_entry_get_adj(fei);
3909 FIB_TEST((adj->lookup_next_index == IP_LOOKUP_NEXT_ARP),
3910 "2001::/64 via ARP-adj");
3911 FIB_TEST((adj->ia_link == VNET_LINK_IP6),
3912 "2001::/64 is link type v6");
3913 FIB_TEST((adj->ia_nh_proto == FIB_PROTOCOL_IP4),
3914 "2001::/64 ADJ-adj is NH proto v4");
3915 fib_table_entry_delete(0, &pfx_2001_s_64, FIB_SOURCE_API);
3918 * add a uRPF exempt prefix:
3920 * - it's forwarding is drop
3921 * - it's uRPF list is not empty
3922 * - the uRPF list for the default route (it's cover) is empty
3924 fei = fib_table_entry_special_add(fib_index,
3926 FIB_SOURCE_URPF_EXEMPT,
3927 FIB_ENTRY_FLAG_DROP);
3928 dpo = fib_entry_contribute_ip_forwarding(fei);
3929 FIB_TEST(load_balance_is_drop(dpo),
3930 "uRPF exempt 4.1.1.1/32 DROP");
3931 FIB_TEST(!fib_test_urpf_is_equal(fei, FIB_FORW_CHAIN_TYPE_UNICAST_IP4, 1, 0),
3932 "uRPF list for exempt prefix has itf index 0");
3933 fei = fib_table_lookup_exact_match(fib_index, &pfx_0_0_0_0_s_0);
3934 FIB_TEST(!fib_test_urpf_is_equal(fei, FIB_FORW_CHAIN_TYPE_UNICAST_IP4, 0),
3935 "uRPF list for 0.0.0.0/0 empty");
3937 fib_table_entry_delete(fib_index, &pfx_4_1_1_1_s_32, FIB_SOURCE_URPF_EXEMPT);
3940 * An adj-fib that fails the refinement criteria - no connected cover
3942 fib_prefix_t pfx_12_10_10_2_s_32 = {
3944 .fp_proto = FIB_PROTOCOL_IP4,
3947 .ip4.as_u32 = clib_host_to_net_u32(0x0c0a0a02),
3951 fib_table_entry_path_add(fib_index,
3952 &pfx_12_10_10_2_s_32,
3954 FIB_ENTRY_FLAG_ATTACHED,
3956 &pfx_12_10_10_2_s_32.fp_addr,
3957 tm->hw[0]->sw_if_index,
3958 ~0, // invalid fib index
3961 FIB_ROUTE_PATH_FLAG_NONE);
3963 fei = fib_table_lookup_exact_match(fib_index, &pfx_12_10_10_2_s_32);
3964 dpo = fib_entry_contribute_ip_forwarding(fei);
3965 FIB_TEST(dpo_is_drop(dpo),
3966 "no connected cover adj-fib fails refinement: %U",
3967 format_dpo_id, dpo, 0);
3969 fib_table_entry_delete(fib_index,
3970 &pfx_12_10_10_2_s_32,
3974 * An adj-fib that fails the refinement criteria - cover is connected
3975 * but on a different interface
3977 fib_prefix_t pfx_10_10_10_127_s_32 = {
3979 .fp_proto = FIB_PROTOCOL_IP4,
3982 .ip4.as_u32 = clib_host_to_net_u32(0x0a0a0a7f),
3986 fib_table_entry_path_add(fib_index,
3987 &pfx_10_10_10_127_s_32,
3989 FIB_ENTRY_FLAG_ATTACHED,
3991 &pfx_10_10_10_127_s_32.fp_addr,
3992 tm->hw[1]->sw_if_index,
3993 ~0, // invalid fib index
3996 FIB_ROUTE_PATH_FLAG_NONE);
3998 fei = fib_table_lookup_exact_match(fib_index, &pfx_10_10_10_127_s_32);
3999 dpo = fib_entry_contribute_ip_forwarding(fei);
4000 FIB_TEST(dpo_is_drop(dpo),
4001 "wrong interface adj-fib fails refinement");
4003 fib_table_entry_delete(fib_index,
4004 &pfx_10_10_10_127_s_32,
4008 * add a second path to an adj-fib
4009 * this is a sumiluation of another ARP entry created
4010 * on an interface on which the connected prefix does not exist.
4011 * The second path fails refinement. Expect to forward through the
4014 fib_prefix_t pfx_10_10_10_3_s_32 = {
4016 .fp_proto = FIB_PROTOCOL_IP4,
4019 .ip4.as_u32 = clib_host_to_net_u32(0x0a0a0a03),
4023 ai_03 = adj_nbr_add_or_lock(FIB_PROTOCOL_IP4,
4026 tm->hw[0]->sw_if_index);
4028 fib_test_lb_bucket_t ip_o_10_10_10_3 = {
4034 fei = fib_table_entry_path_add(fib_index,
4035 &pfx_10_10_10_3_s_32,
4037 FIB_ENTRY_FLAG_NONE,
4040 tm->hw[0]->sw_if_index,
4044 FIB_ROUTE_PATH_FLAG_NONE);
4045 fei = fib_table_entry_path_add(fib_index,
4046 &pfx_10_10_10_3_s_32,
4048 FIB_ENTRY_FLAG_NONE,
4051 tm->hw[1]->sw_if_index,
4055 FIB_ROUTE_PATH_FLAG_NONE);
4056 FIB_TEST(!fib_test_validate_entry(fei,
4057 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
4060 "10.10.10.3 via 10.10.10.3/Eth0 only");
4063 * remove the path that refines the cover, should go unresolved
4065 fib_table_entry_path_remove(fib_index,
4066 &pfx_10_10_10_3_s_32,
4070 tm->hw[0]->sw_if_index,
4073 FIB_ROUTE_PATH_FLAG_NONE);
4074 dpo = fib_entry_contribute_ip_forwarding(fei);
4075 FIB_TEST(dpo_is_drop(dpo),
4076 "wrong interface adj-fib fails refinement");
4079 * add back the path that refines the cover
4081 fei = fib_table_entry_path_add(fib_index,
4082 &pfx_10_10_10_3_s_32,
4084 FIB_ENTRY_FLAG_NONE,
4087 tm->hw[0]->sw_if_index,
4091 FIB_ROUTE_PATH_FLAG_NONE);
4092 FIB_TEST(!fib_test_validate_entry(fei,
4093 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
4096 "10.10.10.3 via 10.10.10.3/Eth0 only");
4099 * remove the path that does not refine the cover
4101 fib_table_entry_path_remove(fib_index,
4102 &pfx_10_10_10_3_s_32,
4106 tm->hw[1]->sw_if_index,
4109 FIB_ROUTE_PATH_FLAG_NONE);
4110 FIB_TEST(!fib_test_validate_entry(fei,
4111 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
4114 "10.10.10.3 via 10.10.10.3/Eth0 only");
4117 * remove the path that does refine, it's the last path, so
4118 * the entry should be gone
4120 fib_table_entry_path_remove(fib_index,
4121 &pfx_10_10_10_3_s_32,
4125 tm->hw[0]->sw_if_index,
4128 FIB_ROUTE_PATH_FLAG_NONE);
4129 fei = fib_table_lookup_exact_match(fib_index, &pfx_10_10_10_3_s_32);
4130 FIB_TEST((fei == FIB_NODE_INDEX_INVALID), "10.10.10.3 gone");
4135 * change the table's flow-hash config - expect the update to propagete to
4136 * the entries' load-balance objects
4138 flow_hash_config_t old_hash_config, new_hash_config;
4140 old_hash_config = fib_table_get_flow_hash_config(fib_index,
4142 new_hash_config = (IP_FLOW_HASH_SRC_ADDR |
4143 IP_FLOW_HASH_DST_ADDR);
4145 fei = fib_table_lookup_exact_match(fib_index, &pfx_10_10_10_1_s_32);
4146 dpo = fib_entry_contribute_ip_forwarding(fei);
4147 lb = load_balance_get(dpo->dpoi_index);
4148 FIB_TEST((lb->lb_hash_config == old_hash_config),
4149 "Table and LB hash config match: %U",
4150 format_ip_flow_hash_config, lb->lb_hash_config);
4152 fib_table_set_flow_hash_config(fib_index, FIB_PROTOCOL_IP4, new_hash_config);
4154 FIB_TEST((lb->lb_hash_config == new_hash_config),
4155 "Table and LB newhash config match: %U",
4156 format_ip_flow_hash_config, lb->lb_hash_config);
4159 * A route via DVR DPO
4161 fei = fib_table_entry_path_add(fib_index,
4162 &pfx_10_10_10_3_s_32,
4164 FIB_ENTRY_FLAG_NONE,
4167 tm->hw[0]->sw_if_index,
4171 FIB_ROUTE_PATH_DVR);
4172 dpo_id_t dvr_dpo = DPO_INVALID;
4173 dvr_dpo_add_or_lock(tm->hw[0]->sw_if_index, DPO_PROTO_IP4, &dvr_dpo);
4174 fib_test_lb_bucket_t ip_o_l2 = {
4177 .adj = dvr_dpo.dpoi_index,
4181 FIB_TEST(!fib_test_validate_entry(fei,
4182 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
4185 "10.10.10.3 via L2 on Eth0");
4186 fib_table_entry_path_remove(fib_index,
4187 &pfx_10_10_10_3_s_32,
4191 tm->hw[0]->sw_if_index,
4194 FIB_ROUTE_PATH_DVR);
4195 dpo_reset(&dvr_dpo);
4201 fib_table_entry_delete(fib_index,
4202 &pfx_10_10_10_1_s_32,
4204 fib_table_entry_delete(fib_index,
4205 &pfx_10_10_10_2_s_32,
4207 FIB_TEST(FIB_NODE_INDEX_INVALID ==
4208 fib_table_lookup_exact_match(fib_index, &pfx_10_10_10_1_s_32),
4209 "10.10.10.1/32 adj-fib removed");
4210 FIB_TEST(FIB_NODE_INDEX_INVALID ==
4211 fib_table_lookup_exact_match(fib_index, &pfx_10_10_10_2_s_32),
4212 "10.10.10.2/32 adj-fib removed");
4215 * -2 entries and -2 non-shared path-list
4217 FIB_TEST((0 == fib_path_list_db_size()), "path list DB population:%d",
4218 fib_path_list_db_size());
4219 FIB_TEST((PNBR+2 == fib_path_list_pool_size()), "path list pool size is %d",
4220 fib_path_list_pool_size());
4221 FIB_TEST((ENBR+2 == fib_entry_pool_size()), "entry pool size is %d",
4222 fib_entry_pool_size());
4225 * unlock the adjacencies for which this test provided a rewrite.
4226 * These are the last locks on these adjs. they should thus go away.
4230 adj_unlock(ai_12_12_12_12);
4232 FIB_TEST((0 == adj_nbr_db_size()), "ADJ DB size is %d",
4237 * remove the interface prefixes
4239 local_pfx.fp_len = 32;
4240 fib_table_entry_special_remove(fib_index, &local_pfx,
4241 FIB_SOURCE_INTERFACE);
4242 fei = fib_table_lookup(fib_index, &local_pfx);
4244 FIB_TEST(FIB_NODE_INDEX_INVALID ==
4245 fib_table_lookup_exact_match(fib_index, &local_pfx),
4246 "10.10.10.10/32 adj-fib removed");
4248 local_pfx.fp_len = 24;
4249 fib_table_entry_delete(fib_index, &local_pfx,
4250 FIB_SOURCE_INTERFACE);
4252 FIB_TEST(FIB_NODE_INDEX_INVALID ==
4253 fib_table_lookup_exact_match(fib_index, &local_pfx),
4254 "10.10.10.10/24 adj-fib removed");
4257 * -2 entries and -2 non-shared path-list
4259 FIB_TEST((0 == fib_path_list_db_size()), "path list DB population:%d",
4260 fib_path_list_db_size());
4261 FIB_TEST((PNBR == fib_path_list_pool_size()), "path list pool size is %d",
4262 fib_path_list_pool_size());
4263 FIB_TEST((ENBR == fib_entry_pool_size()), "entry pool size is %d",
4264 fib_entry_pool_size());
4267 * Last but not least, remove the VRF
4269 FIB_TEST((0 == fib_table_get_num_entries(fib_index,
4272 "NO API Source'd prefixes");
4273 FIB_TEST((0 == fib_table_get_num_entries(fib_index,
4276 "NO RR Source'd prefixes");
4277 FIB_TEST((0 == fib_table_get_num_entries(fib_index,
4279 FIB_SOURCE_INTERFACE)),
4280 "NO INterface Source'd prefixes");
4282 fib_table_unlock(fib_index, FIB_PROTOCOL_IP4, FIB_SOURCE_API);
4284 FIB_TEST((0 == fib_path_list_db_size()), "path list DB population:%d",
4285 fib_path_list_db_size());
4286 FIB_TEST((PNBR-5 == fib_path_list_pool_size()), "path list pool size is %d",
4287 fib_path_list_pool_size());
4288 FIB_TEST((ENBR-5 == fib_entry_pool_size()), "entry pool size is %d",
4289 fib_entry_pool_size());
4290 FIB_TEST((ENBR-5 == pool_elts(fib_urpf_list_pool)), "uRPF pool size is %d",
4291 pool_elts(fib_urpf_list_pool));
4292 FIB_TEST((0 == pool_elts(load_balance_map_pool)), "LB-map pool size is %d",
4293 pool_elts(load_balance_map_pool));
4294 FIB_TEST((lb_count == pool_elts(load_balance_pool)), "LB pool size is %d",
4295 pool_elts(load_balance_pool));
4296 FIB_TEST((0 == pool_elts(dvr_dpo_pool)), "L2 DPO pool size is %d",
4297 pool_elts(dvr_dpo_pool));
4306 * In the default table check for the presence and correct forwarding
4307 * of the special entries
4309 fib_node_index_t dfrt, fei, ai, locked_ai, ai_01, ai_02;
4310 const dpo_id_t *dpo, *dpo_drop;
4311 const ip_adjacency_t *adj;
4312 const receive_dpo_t *rd;
4318 FIB_TEST((0 == adj_nbr_db_size()), "ADJ DB size is %d",
4321 /* via 2001:0:0:1::2 */
4322 ip46_address_t nh_2001_2 = {
4325 [0] = clib_host_to_net_u64(0x2001000000000001),
4326 [1] = clib_host_to_net_u64(0x0000000000000002),
4333 dpo_drop = drop_dpo_get(DPO_PROTO_IP6);
4335 /* Find or create FIB table 11 */
4336 fib_index = fib_table_find_or_create_and_lock(FIB_PROTOCOL_IP6, 11,
4339 for (ii = 0; ii < 4; ii++)
4341 ip6_main.fib_index_by_sw_if_index[tm->hw[ii]->sw_if_index] = fib_index;
4344 fib_prefix_t pfx_0_0 = {
4346 .fp_proto = FIB_PROTOCOL_IP6,
4354 dfrt = fib_table_lookup(fib_index, &pfx_0_0);
4355 FIB_TEST((FIB_NODE_INDEX_INVALID != dfrt), "default route present");
4356 FIB_TEST(load_balance_is_drop(fib_entry_contribute_ip_forwarding(dfrt)),
4357 "Default route is DROP");
4359 dpo = fib_entry_contribute_ip_forwarding(dfrt);
4360 FIB_TEST((dpo->dpoi_index == ip6_fib_table_fwding_lookup(
4363 &pfx_0_0.fp_addr.ip6)),
4364 "default-route; fwd and non-fwd tables match");
4366 // FIXME - check specials.
4369 * At this stage there is one v4 FIB with 5 routes and two v6 FIBs
4370 * each with 2 entries and a v6 mfib with 4 path-lists.
4371 * All entries are special so no path-list sharing.
4376 * if the IGMP plugin is loaded this adds two more entries to the v4 MFIB
4378 FIB_TEST((0 == fib_path_list_db_size()), "path list DB is empty");
4379 FIB_TEST((PNPS == fib_path_list_pool_size()), "path list pool size is %d",
4380 fib_path_list_pool_size());
4381 FIB_TEST((ENPS == fib_entry_pool_size()), "entry pool size is %d",
4382 fib_entry_pool_size());
4385 * add interface routes.
4386 * validate presence of /64 attached and /128 recieve.
4387 * test for the presence of the receive address in the glean and local adj
4389 * receive on 2001:0:0:1::1/128
4391 fib_prefix_t local_pfx = {
4393 .fp_proto = FIB_PROTOCOL_IP6,
4397 [0] = clib_host_to_net_u64(0x2001000000000001),
4398 [1] = clib_host_to_net_u64(0x0000000000000001),
4404 fib_table_entry_update_one_path(fib_index, &local_pfx,
4405 FIB_SOURCE_INTERFACE,
4406 (FIB_ENTRY_FLAG_CONNECTED |
4407 FIB_ENTRY_FLAG_ATTACHED),
4410 tm->hw[0]->sw_if_index,
4414 FIB_ROUTE_PATH_FLAG_NONE);
4415 fei = fib_table_lookup_exact_match(fib_index, &local_pfx);
4417 FIB_TEST((FIB_NODE_INDEX_INVALID != fei), "attached interface route present");
4419 ai = fib_entry_get_adj(fei);
4420 FIB_TEST((FIB_NODE_INDEX_INVALID != ai), "attached interface route adj present");
4422 FIB_TEST((IP_LOOKUP_NEXT_GLEAN == adj->lookup_next_index),
4423 "attached interface adj is glean");
4424 FIB_TEST((0 == ip46_address_cmp(&local_pfx.fp_addr,
4425 &adj->sub_type.glean.receive_addr)),
4426 "attached interface adj is receive ok");
4427 dpo = fib_entry_contribute_ip_forwarding(fei);
4428 FIB_TEST((dpo->dpoi_index == ip6_fib_table_fwding_lookup(
4431 &local_pfx.fp_addr.ip6)),
4432 "attached-route; fwd and non-fwd tables match");
4434 local_pfx.fp_len = 128;
4435 fib_table_entry_update_one_path(fib_index, &local_pfx,
4436 FIB_SOURCE_INTERFACE,
4437 (FIB_ENTRY_FLAG_CONNECTED |
4438 FIB_ENTRY_FLAG_LOCAL),
4441 tm->hw[0]->sw_if_index,
4442 ~0, // invalid fib index
4445 FIB_ROUTE_PATH_FLAG_NONE);
4446 fei = fib_table_lookup(fib_index, &local_pfx);
4448 FIB_TEST((FIB_NODE_INDEX_INVALID != fei), "local interface route present");
4450 dpo = fib_entry_contribute_ip_forwarding(fei);
4451 dpo = load_balance_get_bucket(dpo->dpoi_index, 0);
4452 FIB_TEST((DPO_RECEIVE == dpo->dpoi_type),
4453 "local interface adj is local");
4454 rd = receive_dpo_get(dpo->dpoi_index);
4456 FIB_TEST((0 == ip46_address_cmp(&local_pfx.fp_addr,
4458 "local interface adj is receive ok");
4460 dpo = fib_entry_contribute_ip_forwarding(fei);
4461 FIB_TEST((dpo->dpoi_index == ip6_fib_table_fwding_lookup(
4464 &local_pfx.fp_addr.ip6)),
4465 "local-route; fwd and non-fwd tables match");
4468 * +2 entries. +2 unshared path-lists
4470 FIB_TEST((0 == fib_path_list_db_size()), "path list DB is empty");
4471 FIB_TEST((PNPS+2 == fib_path_list_pool_size()), "path list pool size is%d",
4472 fib_path_list_pool_size());
4473 FIB_TEST((ENPS+2 == fib_entry_pool_size()), "entry pool size is %d",
4474 fib_entry_pool_size());
4477 * Modify the default route to be via an adj not yet known.
4478 * this sources the defalut route with the API source, which is
4479 * a higher preference to the DEFAULT_ROUTE source
4481 fib_table_entry_path_add(fib_index, &pfx_0_0,
4483 FIB_ENTRY_FLAG_NONE,
4486 tm->hw[0]->sw_if_index,
4490 FIB_ROUTE_PATH_FLAG_NONE);
4491 fei = fib_table_lookup(fib_index, &pfx_0_0);
4493 FIB_TEST((fei == dfrt), "default route same index");
4494 ai = fib_entry_get_adj(fei);
4495 FIB_TEST((FIB_NODE_INDEX_INVALID != ai), "default route adj present");
4497 FIB_TEST((IP_LOOKUP_NEXT_ARP == adj->lookup_next_index),
4498 "adj is incomplete");
4499 FIB_TEST((0 == ip46_address_cmp(&nh_2001_2, &adj->sub_type.nbr.next_hop)),
4500 "adj nbr next-hop ok");
4503 * find the adj in the shared db
4505 locked_ai = adj_nbr_add_or_lock(FIB_PROTOCOL_IP6,
4508 tm->hw[0]->sw_if_index);
4509 FIB_TEST((locked_ai == ai), "ADJ NBR DB find");
4510 adj_unlock(locked_ai);
4513 * no more entires. +1 shared path-list
4515 FIB_TEST((1 == fib_path_list_db_size()), "path list DB population:%d",
4516 fib_path_list_db_size());
4517 FIB_TEST((PNPS+3 == fib_path_list_pool_size()), "path list pool size is%d",
4518 fib_path_list_pool_size());
4519 FIB_TEST((ENPS+2 == fib_entry_pool_size()), "entry pool size is %d",
4520 fib_entry_pool_size());
4523 * remove the API source from the default route. We expected
4524 * the route to remain, sourced by DEFAULT_ROUTE, and hence a DROP
4526 fib_table_entry_path_remove(fib_index, &pfx_0_0,
4530 tm->hw[0]->sw_if_index,
4533 FIB_ROUTE_PATH_FLAG_NONE);
4534 fei = fib_table_lookup(fib_index, &pfx_0_0);
4536 FIB_TEST((fei == dfrt), "default route same index");
4537 FIB_TEST(load_balance_is_drop(fib_entry_contribute_ip_forwarding(dfrt)),
4538 "Default route is DROP");
4541 * no more entires. -1 shared path-list
4543 FIB_TEST((0 == fib_path_list_db_size()), "path list DB population:%d",
4544 fib_path_list_db_size());
4545 FIB_TEST((PNPS+2 == fib_path_list_pool_size()), "path list pool size is%d",
4546 fib_path_list_pool_size());
4547 FIB_TEST((ENPS+2 == fib_entry_pool_size()), "entry pool size is %d",
4548 fib_entry_pool_size());
4551 * Add an 2 ARP entry => a complete ADJ plus adj-fib.
4553 fib_prefix_t pfx_2001_1_2_s_128 = {
4555 .fp_proto = FIB_PROTOCOL_IP6,
4559 [0] = clib_host_to_net_u64(0x2001000000000001),
4560 [1] = clib_host_to_net_u64(0x0000000000000002),
4565 fib_prefix_t pfx_2001_1_3_s_128 = {
4567 .fp_proto = FIB_PROTOCOL_IP6,
4571 [0] = clib_host_to_net_u64(0x2001000000000001),
4572 [1] = clib_host_to_net_u64(0x0000000000000003),
4578 0xde, 0xde, 0xde, 0xba, 0xba, 0xba,
4581 ai_01 = adj_nbr_add_or_lock(FIB_PROTOCOL_IP6,
4583 &pfx_2001_1_2_s_128.fp_addr,
4584 tm->hw[0]->sw_if_index);
4585 FIB_TEST((FIB_NODE_INDEX_INVALID != ai_01), "adj created");
4586 adj = adj_get(ai_01);
4587 FIB_TEST((IP_LOOKUP_NEXT_ARP == adj->lookup_next_index),
4588 "adj is incomplete");
4589 FIB_TEST((0 == ip46_address_cmp(&pfx_2001_1_2_s_128.fp_addr,
4590 &adj->sub_type.nbr.next_hop)),
4591 "adj nbr next-hop ok");
4593 adj_nbr_update_rewrite(ai_01, ADJ_NBR_REWRITE_FLAG_COMPLETE,
4594 fib_test_build_rewrite(eth_addr));
4595 FIB_TEST((IP_LOOKUP_NEXT_REWRITE == adj->lookup_next_index),
4597 FIB_TEST((0 == ip46_address_cmp(&pfx_2001_1_2_s_128.fp_addr,
4598 &adj->sub_type.nbr.next_hop)),
4599 "adj nbr next-hop ok");
4601 fib_table_entry_path_add(fib_index,
4602 &pfx_2001_1_2_s_128,
4604 FIB_ENTRY_FLAG_ATTACHED,
4606 &pfx_2001_1_2_s_128.fp_addr,
4607 tm->hw[0]->sw_if_index,
4611 FIB_ROUTE_PATH_FLAG_NONE);
4613 fei = fib_table_lookup(fib_index, &pfx_2001_1_2_s_128);
4614 ai = fib_entry_get_adj(fei);
4615 FIB_TEST((ai_01 == ai), "ADJ-FIB resolves via adj");
4619 ai_02 = adj_nbr_add_or_lock(FIB_PROTOCOL_IP6,
4621 &pfx_2001_1_3_s_128.fp_addr,
4622 tm->hw[0]->sw_if_index);
4623 FIB_TEST((FIB_NODE_INDEX_INVALID != ai_02), "adj created");
4624 adj = adj_get(ai_02);
4625 FIB_TEST((IP_LOOKUP_NEXT_ARP == adj->lookup_next_index),
4626 "adj is incomplete");
4627 FIB_TEST((0 == ip46_address_cmp(&pfx_2001_1_3_s_128.fp_addr,
4628 &adj->sub_type.nbr.next_hop)),
4629 "adj nbr next-hop ok");
4631 adj_nbr_update_rewrite(ai_02, ADJ_NBR_REWRITE_FLAG_COMPLETE,
4632 fib_test_build_rewrite(eth_addr));
4633 FIB_TEST((IP_LOOKUP_NEXT_REWRITE == adj->lookup_next_index),
4635 FIB_TEST((0 == ip46_address_cmp(&pfx_2001_1_3_s_128.fp_addr,
4636 &adj->sub_type.nbr.next_hop)),
4637 "adj nbr next-hop ok");
4638 FIB_TEST((ai_01 != ai_02), "ADJs are different");
4640 fib_table_entry_path_add(fib_index,
4641 &pfx_2001_1_3_s_128,
4643 FIB_ENTRY_FLAG_ATTACHED,
4645 &pfx_2001_1_3_s_128.fp_addr,
4646 tm->hw[0]->sw_if_index,
4650 FIB_ROUTE_PATH_FLAG_NONE);
4652 fei = fib_table_lookup(fib_index, &pfx_2001_1_3_s_128);
4653 ai = fib_entry_get_adj(fei);
4654 FIB_TEST((ai_02 == ai), "ADJ-FIB resolves via adj");
4657 * +2 entries, +2 unshread path-lists.
4659 FIB_TEST((0 == fib_path_list_db_size()), "path list DB population:%d",
4660 fib_path_list_db_size());
4661 FIB_TEST((PNPS+4 == fib_path_list_pool_size()), "path list pool size is%d",
4662 fib_path_list_pool_size());
4663 FIB_TEST((ENPS+4 == fib_entry_pool_size()), "entry pool size is %d",
4664 fib_entry_pool_size());
4667 * Add a 2 routes via the first ADJ. ensure path-list sharing
4669 fib_prefix_t pfx_2001_a_s_64 = {
4671 .fp_proto = FIB_PROTOCOL_IP6,
4675 [0] = clib_host_to_net_u64(0x200100000000000a),
4676 [1] = clib_host_to_net_u64(0x0000000000000000),
4681 fib_prefix_t pfx_2001_b_s_64 = {
4683 .fp_proto = FIB_PROTOCOL_IP6,
4687 [0] = clib_host_to_net_u64(0x200100000000000b),
4688 [1] = clib_host_to_net_u64(0x0000000000000000),
4694 fib_table_entry_path_add(fib_index,
4697 FIB_ENTRY_FLAG_NONE,
4700 tm->hw[0]->sw_if_index,
4704 FIB_ROUTE_PATH_FLAG_NONE);
4705 fei = fib_table_lookup(fib_index, &pfx_2001_a_s_64);
4706 ai = fib_entry_get_adj(fei);
4707 FIB_TEST((ai_01 == ai), "2001::a/64 resolves via 2001:0:0:1::1");
4708 fib_table_entry_path_add(fib_index,
4711 FIB_ENTRY_FLAG_NONE,
4714 tm->hw[0]->sw_if_index,
4718 FIB_ROUTE_PATH_FLAG_NONE);
4719 fei = fib_table_lookup(fib_index, &pfx_2001_b_s_64);
4720 ai = fib_entry_get_adj(fei);
4721 FIB_TEST((ai_01 == ai), "2001::b/64 resolves via 2001:0:0:1::1");
4724 * +2 entries, +1 shared path-list.
4726 FIB_TEST((1 == fib_path_list_db_size()), "path list DB population:%d",
4727 fib_path_list_db_size());
4728 FIB_TEST((PNPS+5 == fib_path_list_pool_size()), "path list pool size is%d",
4729 fib_path_list_pool_size());
4730 FIB_TEST((ENPS+6 == fib_entry_pool_size()), "entry pool size is %d",
4731 fib_entry_pool_size());
4734 * add a v4 prefix via a v6 next-hop
4736 fib_prefix_t pfx_1_1_1_1_s_32 = {
4738 .fp_proto = FIB_PROTOCOL_IP4,
4740 .ip4.as_u32 = 0x01010101,
4743 fei = fib_table_entry_path_add(0, // default table
4746 FIB_ENTRY_FLAG_NONE,
4749 tm->hw[0]->sw_if_index,
4753 FIB_ROUTE_PATH_FLAG_NONE);
4754 FIB_TEST(fei == fib_table_lookup_exact_match(0, &pfx_1_1_1_1_s_32),
4755 "1.1.1.1/32 o v6 route present");
4756 ai = fib_entry_get_adj(fei);
4758 FIB_TEST((adj->lookup_next_index == IP_LOOKUP_NEXT_ARP),
4759 "1.1.1.1/32 via ARP-adj");
4760 FIB_TEST((adj->ia_link == VNET_LINK_IP4),
4761 "1.1.1.1/32 ADJ-adj is link type v4");
4762 FIB_TEST((adj->ia_nh_proto == FIB_PROTOCOL_IP6),
4763 "1.1.1.1/32 ADJ-adj is NH proto v6");
4764 fib_table_entry_delete(0, &pfx_1_1_1_1_s_32, FIB_SOURCE_API);
4769 fib_prefix_t pfx_2001_c_s_64 = {
4771 .fp_proto = FIB_PROTOCOL_IP6,
4775 [0] = clib_host_to_net_u64(0x200100000000000c),
4776 [1] = clib_host_to_net_u64(0x0000000000000000),
4781 fib_table_entry_path_add(fib_index,
4784 FIB_ENTRY_FLAG_ATTACHED,
4787 tm->hw[0]->sw_if_index,
4791 FIB_ROUTE_PATH_FLAG_NONE);
4792 fei = fib_table_lookup_exact_match(fib_index, &pfx_2001_c_s_64);
4793 FIB_TEST((FIB_NODE_INDEX_INVALID != fei), "attached route present");
4794 ai = fib_entry_get_adj(fei);
4796 FIB_TEST((adj->lookup_next_index == IP_LOOKUP_NEXT_GLEAN),
4797 "2001:0:0:c/64 attached resolves via glean");
4799 fib_table_entry_path_remove(fib_index,
4804 tm->hw[0]->sw_if_index,
4807 FIB_ROUTE_PATH_FLAG_NONE);
4808 fei = fib_table_lookup_exact_match(fib_index, &pfx_2001_c_s_64);
4809 FIB_TEST((FIB_NODE_INDEX_INVALID == fei), "attached route removed");
4812 * Shutdown the interface on which we have a connected and through
4813 * which the routes are reachable.
4814 * This will result in the connected, adj-fibs, and routes linking to drop
4815 * The local/for-us prefix continues to receive.
4817 clib_error_t * error;
4819 error = vnet_sw_interface_set_flags(vnet_get_main(),
4820 tm->hw[0]->sw_if_index,
4821 ~VNET_SW_INTERFACE_FLAG_ADMIN_UP);
4822 FIB_TEST((NULL == error), "Interface shutdown OK");
4824 fei = fib_table_lookup_exact_match(fib_index, &pfx_2001_b_s_64);
4825 dpo = fib_entry_contribute_ip_forwarding(fei);
4826 FIB_TEST(!dpo_cmp(dpo_drop, load_balance_get_bucket(dpo->dpoi_index, 0)),
4827 "2001::b/64 resolves via drop");
4829 fei = fib_table_lookup_exact_match(fib_index, &pfx_2001_a_s_64);
4830 dpo = fib_entry_contribute_ip_forwarding(fei);
4831 FIB_TEST(!dpo_cmp(dpo_drop, load_balance_get_bucket(dpo->dpoi_index, 0)),
4832 "2001::a/64 resolves via drop");
4833 fei = fib_table_lookup_exact_match(fib_index, &pfx_2001_1_3_s_128);
4834 dpo = fib_entry_contribute_ip_forwarding(fei);
4835 FIB_TEST(!dpo_cmp(dpo_drop, load_balance_get_bucket(dpo->dpoi_index, 0)),
4836 "2001:0:0:1::3/64 resolves via drop");
4837 fei = fib_table_lookup_exact_match(fib_index, &pfx_2001_1_2_s_128);
4838 dpo = fib_entry_contribute_ip_forwarding(fei);
4839 FIB_TEST(!dpo_cmp(dpo_drop, load_balance_get_bucket(dpo->dpoi_index, 0)),
4840 "2001:0:0:1::2/64 resolves via drop");
4841 fei = fib_table_lookup_exact_match(fib_index, &local_pfx);
4842 dpo = fib_entry_contribute_ip_forwarding(fei);
4843 FIB_TEST(dpo_cmp(dpo_drop, load_balance_get_bucket(dpo->dpoi_index, 0)),
4844 "2001:0:0:1::1/128 not drop");
4845 local_pfx.fp_len = 64;
4846 fei = fib_table_lookup_exact_match(fib_index, &local_pfx);
4847 dpo = fib_entry_contribute_ip_forwarding(fei);
4848 FIB_TEST(!dpo_cmp(dpo_drop, load_balance_get_bucket(dpo->dpoi_index, 0)),
4849 "2001:0:0:1/64 resolves via drop");
4854 FIB_TEST((1 == fib_path_list_db_size()), "path list DB population:%d",
4855 fib_path_list_db_size());
4856 FIB_TEST((PNPS+5 == fib_path_list_pool_size()), "path list pool size is%d",
4857 fib_path_list_pool_size());
4858 FIB_TEST((ENPS+6 == fib_entry_pool_size()), "entry pool size is %d",
4859 fib_entry_pool_size());
4862 * shutdown one of the other interfaces, then add a connected.
4863 * and swap one of the routes to it.
4865 error = vnet_sw_interface_set_flags(vnet_get_main(),
4866 tm->hw[1]->sw_if_index,
4867 ~VNET_SW_INTERFACE_FLAG_ADMIN_UP);
4868 FIB_TEST((NULL == error), "Interface 1 shutdown OK");
4870 fib_prefix_t connected_pfx = {
4872 .fp_proto = FIB_PROTOCOL_IP6,
4875 /* 2001:0:0:2::1/64 */
4877 [0] = clib_host_to_net_u64(0x2001000000000002),
4878 [1] = clib_host_to_net_u64(0x0000000000000001),
4883 fib_table_entry_update_one_path(fib_index, &connected_pfx,
4884 FIB_SOURCE_INTERFACE,
4885 (FIB_ENTRY_FLAG_CONNECTED |
4886 FIB_ENTRY_FLAG_ATTACHED),
4889 tm->hw[1]->sw_if_index,
4893 FIB_ROUTE_PATH_FLAG_NONE);
4894 fei = fib_table_lookup_exact_match(fib_index, &connected_pfx);
4895 FIB_TEST((FIB_NODE_INDEX_INVALID != fei), "attached interface route present");
4896 dpo = fib_entry_contribute_ip_forwarding(fei);
4897 dpo = load_balance_get_bucket(dpo->dpoi_index, 0);
4898 FIB_TEST(!dpo_cmp(dpo, dpo_drop),
4899 "2001:0:0:2/64 not resolves via drop");
4901 connected_pfx.fp_len = 128;
4902 fib_table_entry_update_one_path(fib_index, &connected_pfx,
4903 FIB_SOURCE_INTERFACE,
4904 (FIB_ENTRY_FLAG_CONNECTED |
4905 FIB_ENTRY_FLAG_LOCAL),
4908 tm->hw[0]->sw_if_index,
4909 ~0, // invalid fib index
4912 FIB_ROUTE_PATH_FLAG_NONE);
4913 fei = fib_table_lookup(fib_index, &connected_pfx);
4915 FIB_TEST((FIB_NODE_INDEX_INVALID != fei), "local interface route present");
4916 dpo = fib_entry_contribute_ip_forwarding(fei);
4917 dpo = load_balance_get_bucket(dpo->dpoi_index, 0);
4918 FIB_TEST((DPO_RECEIVE == dpo->dpoi_type),
4919 "local interface adj is local");
4920 rd = receive_dpo_get(dpo->dpoi_index);
4921 FIB_TEST((0 == ip46_address_cmp(&connected_pfx.fp_addr,
4923 "local interface adj is receive ok");
4926 * +2 entries, +2 unshared path-lists
4928 FIB_TEST((1 == fib_path_list_db_size()), "path list DB population:%d",
4929 fib_path_list_db_size());
4930 FIB_TEST((PNPS+7 == fib_path_list_pool_size()), "path list pool size is%d",
4931 fib_path_list_pool_size());
4932 FIB_TEST((ENPS+8 == fib_entry_pool_size()), "entry pool size is %d",
4933 fib_entry_pool_size());
4937 * bring the interface back up. we expected the routes to return
4938 * to normal forwarding.
4940 error = vnet_sw_interface_set_flags(vnet_get_main(),
4941 tm->hw[0]->sw_if_index,
4942 VNET_SW_INTERFACE_FLAG_ADMIN_UP);
4943 FIB_TEST((NULL == error), "Interface bring-up OK");
4944 fei = fib_table_lookup_exact_match(fib_index, &pfx_2001_a_s_64);
4945 ai = fib_entry_get_adj(fei);
4946 FIB_TEST((ai_01 == ai), "2001::a/64 resolves via 2001:0:0:1::1");
4947 fei = fib_table_lookup_exact_match(fib_index, &pfx_2001_b_s_64);
4948 ai = fib_entry_get_adj(fei);
4949 FIB_TEST((ai_01 == ai), "2001::b/64 resolves via 2001:0:0:1::1");
4950 fei = fib_table_lookup_exact_match(fib_index, &pfx_2001_1_3_s_128);
4951 ai = fib_entry_get_adj(fei);
4952 FIB_TEST((ai_02 == ai), "ADJ-FIB resolves via adj");
4953 fei = fib_table_lookup_exact_match(fib_index, &pfx_2001_1_2_s_128);
4954 ai = fib_entry_get_adj(fei);
4955 FIB_TEST((ai_01 == ai), "ADJ-FIB resolves via adj");
4956 local_pfx.fp_len = 64;
4957 fei = fib_table_lookup_exact_match(fib_index, &local_pfx);
4958 ai = fib_entry_get_adj(fei);
4960 FIB_TEST((IP_LOOKUP_NEXT_GLEAN == adj->lookup_next_index),
4961 "attached interface adj is glean");
4964 * Same test as above, but this time the HW interface goes down
4966 error = vnet_hw_interface_set_flags(vnet_get_main(),
4967 tm->hw_if_indicies[0],
4968 ~VNET_HW_INTERFACE_FLAG_LINK_UP);
4969 FIB_TEST((NULL == error), "Interface shutdown OK");
4971 fei = fib_table_lookup_exact_match(fib_index, &pfx_2001_b_s_64);
4972 dpo = fib_entry_contribute_ip_forwarding(fei);
4973 FIB_TEST(!dpo_cmp(dpo_drop, load_balance_get_bucket(dpo->dpoi_index, 0)),
4974 "2001::b/64 resolves via drop");
4975 fei = fib_table_lookup_exact_match(fib_index, &pfx_2001_a_s_64);
4976 dpo = fib_entry_contribute_ip_forwarding(fei);
4977 FIB_TEST(!dpo_cmp(dpo_drop, load_balance_get_bucket(dpo->dpoi_index, 0)),
4978 "2001::a/64 resolves via drop");
4979 fei = fib_table_lookup_exact_match(fib_index, &pfx_2001_1_3_s_128);
4980 dpo = fib_entry_contribute_ip_forwarding(fei);
4981 FIB_TEST(!dpo_cmp(dpo_drop, load_balance_get_bucket(dpo->dpoi_index, 0)),
4982 "2001:0:0:1::3/128 resolves via drop");
4983 fei = fib_table_lookup_exact_match(fib_index, &pfx_2001_1_2_s_128);
4984 dpo = fib_entry_contribute_ip_forwarding(fei);
4985 FIB_TEST(!dpo_cmp(dpo_drop, load_balance_get_bucket(dpo->dpoi_index, 0)),
4986 "2001:0:0:1::2/128 resolves via drop");
4987 local_pfx.fp_len = 128;
4988 fei = fib_table_lookup_exact_match(fib_index, &local_pfx);
4989 dpo = fib_entry_contribute_ip_forwarding(fei);
4990 FIB_TEST(dpo_cmp(dpo_drop, load_balance_get_bucket(dpo->dpoi_index, 0)),
4991 "2001:0:0:1::1/128 not drop");
4992 local_pfx.fp_len = 64;
4993 fei = fib_table_lookup_exact_match(fib_index, &local_pfx);
4994 dpo = fib_entry_contribute_ip_forwarding(fei);
4995 FIB_TEST(!dpo_cmp(dpo_drop, load_balance_get_bucket(dpo->dpoi_index, 0)),
4996 "2001:0:0:1/64 resolves via drop");
4998 error = vnet_hw_interface_set_flags(vnet_get_main(),
4999 tm->hw_if_indicies[0],
5000 VNET_HW_INTERFACE_FLAG_LINK_UP);
5001 FIB_TEST((NULL == error), "Interface bring-up OK");
5002 fei = fib_table_lookup_exact_match(fib_index, &pfx_2001_a_s_64);
5003 ai = fib_entry_get_adj(fei);
5004 FIB_TEST((ai_01 == ai), "2001::a/64 resolves via 2001:0:0:1::1");
5005 fei = fib_table_lookup_exact_match(fib_index, &pfx_2001_b_s_64);
5006 ai = fib_entry_get_adj(fei);
5007 FIB_TEST((ai_01 == ai), "2001::b/64 resolves via 2001:0:0:1::1");
5008 fei = fib_table_lookup_exact_match(fib_index, &pfx_2001_1_3_s_128);
5009 ai = fib_entry_get_adj(fei);
5010 FIB_TEST((ai_02 == ai), "ADJ-FIB resolves via adj");
5011 fei = fib_table_lookup_exact_match(fib_index, &pfx_2001_1_2_s_128);
5012 ai = fib_entry_get_adj(fei);
5013 FIB_TEST((ai_01 == ai), "ADJ-FIB resolves via adj");
5014 local_pfx.fp_len = 64;
5015 fei = fib_table_lookup_exact_match(fib_index, &local_pfx);
5016 ai = fib_entry_get_adj(fei);
5018 FIB_TEST((IP_LOOKUP_NEXT_GLEAN == adj->lookup_next_index),
5019 "attached interface adj is glean");
5022 * Delete the interface that the routes reolve through.
5023 * Again no routes are removed. They all point to drop.
5025 * This is considered an error case. The control plane should
5026 * not remove interfaces through which routes resolve, but
5027 * such things can happen. ALL affected routes will drop.
5029 vnet_delete_hw_interface(vnet_get_main(), tm->hw_if_indicies[0]);
5031 fei = fib_table_lookup_exact_match(fib_index, &pfx_2001_b_s_64);
5032 FIB_TEST(load_balance_is_drop(fib_entry_contribute_ip_forwarding(fei)),
5033 "2001::b/64 resolves via drop");
5034 fei = fib_table_lookup_exact_match(fib_index, &pfx_2001_a_s_64);
5035 FIB_TEST(load_balance_is_drop(fib_entry_contribute_ip_forwarding(fei)),
5036 "2001::b/64 resolves via drop");
5037 fei = fib_table_lookup_exact_match(fib_index, &pfx_2001_1_3_s_128);
5038 FIB_TEST(load_balance_is_drop(fib_entry_contribute_ip_forwarding(fei)),
5039 "2001:0:0:1::3/64 resolves via drop");
5040 fei = fib_table_lookup_exact_match(fib_index, &pfx_2001_1_2_s_128);
5041 FIB_TEST(load_balance_is_drop(fib_entry_contribute_ip_forwarding(fei)),
5042 "2001:0:0:1::2/64 resolves via drop");
5043 fei = fib_table_lookup_exact_match(fib_index, &local_pfx);
5044 FIB_TEST(load_balance_is_drop(fib_entry_contribute_ip_forwarding(fei)),
5045 "2001:0:0:1::1/128 is drop");
5046 local_pfx.fp_len = 64;
5047 fei = fib_table_lookup_exact_match(fib_index, &local_pfx);
5048 FIB_TEST(load_balance_is_drop(fib_entry_contribute_ip_forwarding(fei)),
5049 "2001:0:0:1/64 resolves via drop");
5054 FIB_TEST((1 == fib_path_list_db_size()), "path list DB population:%d",
5055 fib_path_list_db_size());
5056 FIB_TEST((PNPS+7 == fib_path_list_pool_size()), "path list pool size is%d",
5057 fib_path_list_pool_size());
5058 FIB_TEST((ENPS+8 == fib_entry_pool_size()), "entry pool size is %d",
5059 fib_entry_pool_size());
5062 * Add the interface back. routes stay unresolved.
5064 error = ethernet_register_interface(vnet_get_main(),
5065 test_interface_device_class.index,
5068 &tm->hw_if_indicies[0],
5069 /* flag change */ 0);
5071 fei = fib_table_lookup_exact_match(fib_index, &pfx_2001_b_s_64);
5072 FIB_TEST(load_balance_is_drop(fib_entry_contribute_ip_forwarding(fei)),
5073 "2001::b/64 resolves via drop");
5074 fei = fib_table_lookup_exact_match(fib_index, &pfx_2001_a_s_64);
5075 FIB_TEST(load_balance_is_drop(fib_entry_contribute_ip_forwarding(fei)),
5076 "2001::b/64 resolves via drop");
5077 fei = fib_table_lookup_exact_match(fib_index, &pfx_2001_1_3_s_128);
5078 FIB_TEST(load_balance_is_drop(fib_entry_contribute_ip_forwarding(fei)),
5079 "2001:0:0:1::3/64 resolves via drop");
5080 fei = fib_table_lookup_exact_match(fib_index, &pfx_2001_1_2_s_128);
5081 FIB_TEST(load_balance_is_drop(fib_entry_contribute_ip_forwarding(fei)),
5082 "2001:0:0:1::2/64 resolves via drop");
5083 fei = fib_table_lookup_exact_match(fib_index, &local_pfx);
5084 FIB_TEST(load_balance_is_drop(fib_entry_contribute_ip_forwarding(fei)),
5085 "2001:0:0:1::1/128 is drop");
5086 local_pfx.fp_len = 64;
5087 fei = fib_table_lookup_exact_match(fib_index, &local_pfx);
5088 FIB_TEST(load_balance_is_drop(fib_entry_contribute_ip_forwarding(fei)),
5089 "2001:0:0:1/64 resolves via drop");
5092 * CLEANUP ALL the routes
5094 fib_table_entry_delete(fib_index,
5097 fib_table_entry_delete(fib_index,
5100 fib_table_entry_delete(fib_index,
5103 fib_table_entry_delete(fib_index,
5104 &pfx_2001_1_3_s_128,
5106 fib_table_entry_delete(fib_index,
5107 &pfx_2001_1_2_s_128,
5109 local_pfx.fp_len = 64;
5110 fib_table_entry_delete(fib_index, &local_pfx,
5111 FIB_SOURCE_INTERFACE);
5112 local_pfx.fp_len = 128;
5113 fib_table_entry_special_remove(fib_index, &local_pfx,
5114 FIB_SOURCE_INTERFACE);
5115 connected_pfx.fp_len = 64;
5116 fib_table_entry_delete(fib_index, &connected_pfx,
5117 FIB_SOURCE_INTERFACE);
5118 connected_pfx.fp_len = 128;
5119 fib_table_entry_special_remove(fib_index, &connected_pfx,
5120 FIB_SOURCE_INTERFACE);
5122 FIB_TEST((FIB_NODE_INDEX_INVALID ==
5123 fib_table_lookup_exact_match(fib_index, &pfx_2001_a_s_64)),
5124 "2001::a/64 removed");
5125 FIB_TEST((FIB_NODE_INDEX_INVALID ==
5126 fib_table_lookup_exact_match(fib_index, &pfx_2001_b_s_64)),
5127 "2001::b/64 removed");
5128 FIB_TEST((FIB_NODE_INDEX_INVALID ==
5129 fib_table_lookup_exact_match(fib_index, &pfx_2001_1_3_s_128)),
5130 "2001:0:0:1::3/128 removed");
5131 FIB_TEST((FIB_NODE_INDEX_INVALID ==
5132 fib_table_lookup_exact_match(fib_index, &pfx_2001_1_2_s_128)),
5133 "2001:0:0:1::3/128 removed");
5134 local_pfx.fp_len = 64;
5135 FIB_TEST((FIB_NODE_INDEX_INVALID ==
5136 fib_table_lookup_exact_match(fib_index, &local_pfx)),
5137 "2001:0:0:1/64 removed");
5138 local_pfx.fp_len = 128;
5139 FIB_TEST((FIB_NODE_INDEX_INVALID ==
5140 fib_table_lookup_exact_match(fib_index, &local_pfx)),
5141 "2001:0:0:1::1/128 removed");
5142 connected_pfx.fp_len = 64;
5143 FIB_TEST((FIB_NODE_INDEX_INVALID ==
5144 fib_table_lookup_exact_match(fib_index, &connected_pfx)),
5145 "2001:0:0:2/64 removed");
5146 connected_pfx.fp_len = 128;
5147 FIB_TEST((FIB_NODE_INDEX_INVALID ==
5148 fib_table_lookup_exact_match(fib_index, &connected_pfx)),
5149 "2001:0:0:2::1/128 removed");
5152 * -8 entries. -7 path-lists (1 was shared).
5154 FIB_TEST((0 == fib_path_list_db_size()), "path list DB population:%d",
5155 fib_path_list_db_size());
5156 FIB_TEST((PNPS == fib_path_list_pool_size()), "path list pool size is%d",
5157 fib_path_list_pool_size());
5158 FIB_TEST((ENPS == fib_entry_pool_size()), "entry pool size is %d",
5159 fib_entry_pool_size());
5162 * now remove the VRF
5164 fib_table_unlock(fib_index, FIB_PROTOCOL_IP6, FIB_SOURCE_API);
5166 FIB_TEST((0 == fib_path_list_db_size()), "path list DB population:%d",
5167 fib_path_list_db_size());
5168 FIB_TEST((PNPS-2 == fib_path_list_pool_size()), "path list pool size is%d",
5169 fib_path_list_pool_size());
5170 FIB_TEST((ENPS-2 == fib_entry_pool_size()), "entry pool size is %d",
5171 fib_entry_pool_size());
5177 * return the interfaces to up state
5179 error = vnet_sw_interface_set_flags(vnet_get_main(),
5180 tm->hw[0]->sw_if_index,
5181 VNET_SW_INTERFACE_FLAG_ADMIN_UP);
5182 error = vnet_sw_interface_set_flags(vnet_get_main(),
5183 tm->hw[1]->sw_if_index,
5184 VNET_SW_INTERFACE_FLAG_ADMIN_UP);
5186 FIB_TEST((0 == adj_nbr_db_size()), "ADJ DB size is %d",
5193 * Test Attached Exports
5198 const dpo_id_t *dpo, *dpo_drop;
5199 const u32 fib_index = 0;
5200 fib_node_index_t fei;
5209 FIB_TEST((0 == adj_nbr_db_size()), "ADJ DB size is %d",
5213 * add interface routes. We'll assume this works. It's more rigorously
5216 fib_prefix_t local_pfx = {
5218 .fp_proto = FIB_PROTOCOL_IP4,
5222 .as_u32 = clib_host_to_net_u32(0x0a0a0a0a),
5227 vec_validate(im->fib_index_by_sw_if_index, tm->hw[0]->sw_if_index);
5228 im->fib_index_by_sw_if_index[tm->hw[0]->sw_if_index] = fib_index;
5230 dpo_drop = drop_dpo_get(DPO_PROTO_IP4);
5232 fib_table_entry_update_one_path(fib_index, &local_pfx,
5233 FIB_SOURCE_INTERFACE,
5234 (FIB_ENTRY_FLAG_CONNECTED |
5235 FIB_ENTRY_FLAG_ATTACHED),
5238 tm->hw[0]->sw_if_index,
5242 FIB_ROUTE_PATH_FLAG_NONE);
5243 fei = fib_table_lookup_exact_match(fib_index, &local_pfx);
5244 FIB_TEST((FIB_NODE_INDEX_INVALID != fei),
5245 "attached interface route present");
5247 local_pfx.fp_len = 32;
5248 fib_table_entry_update_one_path(fib_index, &local_pfx,
5249 FIB_SOURCE_INTERFACE,
5250 (FIB_ENTRY_FLAG_CONNECTED |
5251 FIB_ENTRY_FLAG_LOCAL),
5254 tm->hw[0]->sw_if_index,
5255 ~0, // invalid fib index
5258 FIB_ROUTE_PATH_FLAG_NONE);
5259 fei = fib_table_lookup_exact_match(fib_index, &local_pfx);
5261 FIB_TEST((FIB_NODE_INDEX_INVALID != fei),
5262 "local interface route present");
5265 * Add an 2 ARP entry => a complete ADJ plus adj-fib.
5267 fib_prefix_t pfx_10_10_10_1_s_32 = {
5269 .fp_proto = FIB_PROTOCOL_IP4,
5272 .ip4.as_u32 = clib_host_to_net_u32(0x0a0a0a01),
5275 fib_node_index_t ai;
5277 fib_table_entry_path_add(fib_index,
5278 &pfx_10_10_10_1_s_32,
5280 FIB_ENTRY_FLAG_ATTACHED,
5282 &pfx_10_10_10_1_s_32.fp_addr,
5283 tm->hw[0]->sw_if_index,
5284 ~0, // invalid fib index
5287 FIB_ROUTE_PATH_FLAG_NONE);
5289 fei = fib_table_lookup(fib_index, &pfx_10_10_10_1_s_32);
5290 FIB_TEST((FIB_NODE_INDEX_INVALID != fei), "ADJ-fib1 created");
5291 ai = fib_entry_get_adj(fei);
5294 * create another FIB table into which routes will be imported
5296 u32 import_fib_index1;
5298 import_fib_index1 = fib_table_find_or_create_and_lock(FIB_PROTOCOL_IP4,
5303 * Add an attached route in the import FIB
5305 local_pfx.fp_len = 24;
5306 fib_table_entry_update_one_path(import_fib_index1,
5309 FIB_ENTRY_FLAG_NONE,
5312 tm->hw[0]->sw_if_index,
5313 ~0, // invalid fib index
5316 FIB_ROUTE_PATH_FLAG_NONE);
5317 fei = fib_table_lookup_exact_match(import_fib_index1, &local_pfx);
5318 FIB_TEST((FIB_NODE_INDEX_INVALID != fei), "attached export created");
5321 * check for the presence of the adj-fibs in the import table
5323 fei = fib_table_lookup_exact_match(import_fib_index1, &pfx_10_10_10_1_s_32);
5324 FIB_TEST((FIB_NODE_INDEX_INVALID != fei), "ADJ-fib1 imported");
5325 FIB_TEST((ai == fib_entry_get_adj(fei)),
5326 "adj-fib1 Import uses same adj as export");
5329 * check for the presence of the local in the import table
5331 local_pfx.fp_len = 32;
5332 fei = fib_table_lookup_exact_match(import_fib_index1, &local_pfx);
5333 FIB_TEST((FIB_NODE_INDEX_INVALID != fei), "local imported");
5336 * Add another adj-fin in the export table. Expect this
5337 * to get magically exported;
5339 fib_prefix_t pfx_10_10_10_2_s_32 = {
5341 .fp_proto = FIB_PROTOCOL_IP4,
5344 .ip4.as_u32 = clib_host_to_net_u32(0x0a0a0a02),
5348 fib_table_entry_path_add(fib_index,
5349 &pfx_10_10_10_2_s_32,
5351 FIB_ENTRY_FLAG_ATTACHED,
5353 &pfx_10_10_10_2_s_32.fp_addr,
5354 tm->hw[0]->sw_if_index,
5355 ~0, // invalid fib index
5358 FIB_ROUTE_PATH_FLAG_NONE);
5359 fei = fib_table_lookup_exact_match(fib_index, &pfx_10_10_10_2_s_32);
5360 FIB_TEST((FIB_NODE_INDEX_INVALID != fei), "ADJ-fib2 present");
5361 ai = fib_entry_get_adj(fei);
5363 fei = fib_table_lookup_exact_match(import_fib_index1, &pfx_10_10_10_2_s_32);
5364 FIB_TEST((FIB_NODE_INDEX_INVALID != fei), "ADJ-fib2 imported");
5365 FIB_TEST((ai == fib_entry_get_adj(fei)),
5366 "Import uses same adj as export");
5367 FIB_TEST((FIB_ENTRY_FLAG_ATTACHED & fib_entry_get_flags(fei)),
5368 "ADJ-fib2 imported flags %d",
5369 fib_entry_get_flags(fei));
5372 * create a 2nd FIB table into which routes will be imported
5374 u32 import_fib_index2;
5376 import_fib_index2 = fib_table_find_or_create_and_lock(FIB_PROTOCOL_IP4, 12,
5380 * Add an attached route in the import FIB
5382 local_pfx.fp_len = 24;
5383 fib_table_entry_update_one_path(import_fib_index2,
5386 FIB_ENTRY_FLAG_NONE,
5389 tm->hw[0]->sw_if_index,
5390 ~0, // invalid fib index
5393 FIB_ROUTE_PATH_FLAG_NONE);
5394 fei = fib_table_lookup_exact_match(import_fib_index1, &local_pfx);
5395 FIB_TEST((FIB_NODE_INDEX_INVALID != fei), "attached export created");
5398 * check for the presence of all the adj-fibs and local in the import table
5400 fei = fib_table_lookup_exact_match(import_fib_index2, &pfx_10_10_10_1_s_32);
5401 FIB_TEST((FIB_NODE_INDEX_INVALID != fei), "ADJ-fib1 imported");
5402 fei = fib_table_lookup_exact_match(import_fib_index2, &pfx_10_10_10_2_s_32);
5403 FIB_TEST((FIB_NODE_INDEX_INVALID != fei), "ADJ-fib2 imported");
5404 local_pfx.fp_len = 32;
5405 fei = fib_table_lookup_exact_match(import_fib_index2, &local_pfx);
5406 FIB_TEST((FIB_NODE_INDEX_INVALID != fei), "local imported");
5409 * add a 3rd adj-fib. expect it to be exported to both tables.
5411 fib_prefix_t pfx_10_10_10_3_s_32 = {
5413 .fp_proto = FIB_PROTOCOL_IP4,
5416 .ip4.as_u32 = clib_host_to_net_u32(0x0a0a0a03),
5420 fib_table_entry_path_add(fib_index,
5421 &pfx_10_10_10_3_s_32,
5423 FIB_ENTRY_FLAG_ATTACHED,
5425 &pfx_10_10_10_3_s_32.fp_addr,
5426 tm->hw[0]->sw_if_index,
5427 ~0, // invalid fib index
5430 FIB_ROUTE_PATH_FLAG_NONE);
5431 fei = fib_table_lookup_exact_match(fib_index, &pfx_10_10_10_3_s_32);
5432 FIB_TEST((FIB_NODE_INDEX_INVALID != fei), "ADJ-fib3 present");
5433 ai = fib_entry_get_adj(fei);
5435 fei = fib_table_lookup_exact_match(import_fib_index1, &pfx_10_10_10_3_s_32);
5436 FIB_TEST((FIB_NODE_INDEX_INVALID != fei), "ADJ-fib3 imported to FIB1");
5437 FIB_TEST((ai == fib_entry_get_adj(fei)),
5438 "Import uses same adj as export");
5439 fei = fib_table_lookup_exact_match(import_fib_index2, &pfx_10_10_10_3_s_32);
5440 FIB_TEST((FIB_NODE_INDEX_INVALID != fei), "ADJ-fib3 imported to FIB2");
5441 FIB_TEST((ai == fib_entry_get_adj(fei)),
5442 "Import uses same adj as export");
5445 * remove the 3rd adj fib. we expect it to be removed from both FIBs
5447 fib_table_entry_delete(fib_index,
5448 &pfx_10_10_10_3_s_32,
5451 fei = fib_table_lookup_exact_match(fib_index, &pfx_10_10_10_3_s_32);
5452 FIB_TEST((FIB_NODE_INDEX_INVALID == fei), "ADJ-fib3 remved");
5454 fei = fib_table_lookup_exact_match(import_fib_index1, &pfx_10_10_10_3_s_32);
5455 FIB_TEST((FIB_NODE_INDEX_INVALID == fei), "ADJ-fib3 removed from FIB1");
5457 fei = fib_table_lookup_exact_match(import_fib_index2, &pfx_10_10_10_3_s_32);
5458 FIB_TEST((FIB_NODE_INDEX_INVALID == fei), "ADJ-fib3 removed from FIB2");
5461 * remove the attached route from the 2nd FIB. expect the imported
5462 * entires to be removed
5464 local_pfx.fp_len = 24;
5465 fib_table_entry_delete(import_fib_index2,
5468 fei = fib_table_lookup_exact_match(import_fib_index2, &local_pfx);
5469 FIB_TEST((FIB_NODE_INDEX_INVALID == fei), "attached export removed");
5471 fei = fib_table_lookup_exact_match(import_fib_index2, &pfx_10_10_10_1_s_32);
5472 FIB_TEST((FIB_NODE_INDEX_INVALID == fei), "ADJ-fib1 removed from FIB2");
5473 fei = fib_table_lookup_exact_match(import_fib_index2, &pfx_10_10_10_2_s_32);
5474 FIB_TEST((FIB_NODE_INDEX_INVALID == fei), "ADJ-fib2 removed from FIB2");
5475 local_pfx.fp_len = 32;
5476 fei = fib_table_lookup_exact_match(import_fib_index2, &local_pfx);
5477 FIB_TEST((FIB_NODE_INDEX_INVALID == fei), "local removed from FIB2");
5479 fei = fib_table_lookup_exact_match(import_fib_index1, &pfx_10_10_10_1_s_32);
5480 FIB_TEST((FIB_NODE_INDEX_INVALID != fei), "ADJ-fib1 still in FIB1");
5481 fei = fib_table_lookup_exact_match(import_fib_index1, &pfx_10_10_10_2_s_32);
5482 FIB_TEST((FIB_NODE_INDEX_INVALID != fei), "ADJ-fib2 still in FIB1");
5483 local_pfx.fp_len = 32;
5484 fei = fib_table_lookup_exact_match(import_fib_index1, &local_pfx);
5485 FIB_TEST((FIB_NODE_INDEX_INVALID != fei), "local still in FIB1");
5488 * modify the route in FIB1 so it is no longer attached. expect the imported
5489 * entires to be removed
5491 local_pfx.fp_len = 24;
5492 fib_table_entry_update_one_path(import_fib_index1,
5495 FIB_ENTRY_FLAG_NONE,
5497 &pfx_10_10_10_2_s_32.fp_addr,
5498 tm->hw[0]->sw_if_index,
5499 ~0, // invalid fib index
5502 FIB_ROUTE_PATH_FLAG_NONE);
5503 fei = fib_table_lookup_exact_match(import_fib_index1, &pfx_10_10_10_1_s_32);
5504 FIB_TEST((FIB_NODE_INDEX_INVALID == fei), "ADJ-fib1 removed from FIB1");
5505 fei = fib_table_lookup_exact_match(import_fib_index1, &pfx_10_10_10_2_s_32);
5506 FIB_TEST((FIB_NODE_INDEX_INVALID == fei), "ADJ-fib2 removed from FIB1");
5507 local_pfx.fp_len = 32;
5508 fei = fib_table_lookup_exact_match(import_fib_index1, &local_pfx);
5509 FIB_TEST((FIB_NODE_INDEX_INVALID == fei), "local removed from FIB1");
5512 * modify it back to attached. expect the adj-fibs back
5514 local_pfx.fp_len = 24;
5515 fib_table_entry_update_one_path(import_fib_index1,
5518 FIB_ENTRY_FLAG_NONE,
5521 tm->hw[0]->sw_if_index,
5522 ~0, // invalid fib index
5525 FIB_ROUTE_PATH_FLAG_NONE);
5526 fei = fib_table_lookup_exact_match(import_fib_index1, &pfx_10_10_10_1_s_32);
5527 FIB_TEST((FIB_NODE_INDEX_INVALID != fei), "ADJ-fib1 imported in FIB1");
5528 fei = fib_table_lookup_exact_match(import_fib_index1, &pfx_10_10_10_2_s_32);
5529 FIB_TEST((FIB_NODE_INDEX_INVALID != fei), "ADJ-fib2 imported in FIB1");
5530 local_pfx.fp_len = 32;
5531 fei = fib_table_lookup_exact_match(import_fib_index1, &local_pfx);
5532 FIB_TEST((FIB_NODE_INDEX_INVALID != fei), "local imported in FIB1");
5535 * add a covering attached next-hop for the interface address, so we have
5536 * a valid adj to find when we check the forwarding tables
5538 fib_prefix_t pfx_10_0_0_0_s_8 = {
5540 .fp_proto = FIB_PROTOCOL_IP4,
5543 .ip4.as_u32 = clib_host_to_net_u32(0x0a000000),
5547 fei = fib_table_entry_update_one_path(fib_index,
5550 FIB_ENTRY_FLAG_NONE,
5552 &pfx_10_10_10_3_s_32.fp_addr,
5553 tm->hw[0]->sw_if_index,
5554 ~0, // invalid fib index
5557 FIB_ROUTE_PATH_FLAG_NONE);
5558 dpo = fib_entry_contribute_ip_forwarding(fei);
5561 * remove the route in the export fib. expect the adj-fibs to be removed
5563 local_pfx.fp_len = 24;
5564 fib_table_entry_delete(fib_index,
5566 FIB_SOURCE_INTERFACE);
5568 fei = fib_table_lookup_exact_match(import_fib_index1, &pfx_10_10_10_1_s_32);
5569 FIB_TEST((FIB_NODE_INDEX_INVALID == fei), "Delete export: ADJ-fib1 removed from FIB1");
5570 fei = fib_table_lookup_exact_match(import_fib_index1, &pfx_10_10_10_2_s_32);
5571 FIB_TEST((FIB_NODE_INDEX_INVALID == fei), "ADJ-fib2 removed from FIB1");
5572 local_pfx.fp_len = 32;
5573 fei = fib_table_lookup_exact_match(import_fib_index1, &local_pfx);
5574 FIB_TEST((FIB_NODE_INDEX_INVALID == fei), "local removed from FIB1");
5577 * the adj-fibs in the export VRF are present in the FIB table,
5578 * but not installed in forwarding, since they have no attached cover.
5579 * Consequently a lookup in the MTRIE gives the adj for the covering
5582 fei = fib_table_lookup_exact_match(fib_index, &pfx_10_10_10_1_s_32);
5583 FIB_TEST((FIB_NODE_INDEX_INVALID != fei), "ADJ-fib1 in export");
5586 lbi = ip4_fib_forwarding_lookup(fib_index, &pfx_10_10_10_1_s_32.fp_addr.ip4);
5587 FIB_TEST(lbi == dpo->dpoi_index,
5588 "10.10.10.1 forwards on \n%U not \n%U",
5589 format_load_balance, lbi, 0,
5590 format_dpo_id, dpo, 0);
5591 lbi = ip4_fib_forwarding_lookup(fib_index, &pfx_10_10_10_2_s_32.fp_addr.ip4);
5592 FIB_TEST(lbi == dpo->dpoi_index,
5593 "10.10.10.2 forwards on %U", format_dpo_id, dpo, 0);
5594 lbi = ip4_fib_forwarding_lookup(fib_index, &pfx_10_10_10_3_s_32.fp_addr.ip4);
5595 FIB_TEST(lbi == dpo->dpoi_index,
5596 "10.10.10.3 forwards on %U", format_dpo_id, dpo, 0);
5599 * add the export prefix back, but not as attached.
5600 * No adj-fibs in export nor import tables
5602 local_pfx.fp_len = 24;
5603 fei = fib_table_entry_update_one_path(fib_index,
5606 FIB_ENTRY_FLAG_NONE,
5608 &pfx_10_10_10_1_s_32.fp_addr,
5609 tm->hw[0]->sw_if_index,
5610 ~0, // invalid fib index
5613 FIB_ROUTE_PATH_FLAG_NONE);
5614 dpo = fib_entry_contribute_ip_forwarding(fei);
5616 fei = fib_table_lookup_exact_match(fib_index, &pfx_10_10_10_1_s_32);
5617 FIB_TEST((FIB_NODE_INDEX_INVALID != fei), "non-attached in export: ADJ-fib1 in export");
5618 lbi = ip4_fib_forwarding_lookup(fib_index, &pfx_10_10_10_1_s_32.fp_addr.ip4);
5619 FIB_TEST(lbi == dpo->dpoi_index,
5620 "10.10.10.1 forwards on %U", format_dpo_id, dpo, 0);
5621 fei = fib_table_lookup_exact_match(fib_index, &pfx_10_10_10_1_s_32);
5622 FIB_TEST((FIB_NODE_INDEX_INVALID != fei), "ADJ-fib1 in export");
5623 lbi = ip4_fib_forwarding_lookup(fib_index, &pfx_10_10_10_2_s_32.fp_addr.ip4);
5624 FIB_TEST(lbi == dpo->dpoi_index,
5625 "10.10.10.2 forwards on %U", format_dpo_id, dpo, 0);
5627 fei = fib_table_lookup_exact_match(import_fib_index1, &pfx_10_10_10_1_s_32);
5628 FIB_TEST((FIB_NODE_INDEX_INVALID == fei), "ADJ-fib1 removed from FIB1");
5629 fei = fib_table_lookup_exact_match(import_fib_index1, &pfx_10_10_10_2_s_32);
5630 FIB_TEST((FIB_NODE_INDEX_INVALID == fei), "ADJ-fib2 removed from FIB1");
5631 local_pfx.fp_len = 32;
5632 fei = fib_table_lookup_exact_match(import_fib_index1, &local_pfx);
5633 FIB_TEST((FIB_NODE_INDEX_INVALID == fei), "local removed from FIB1");
5636 * modify the export prefix so it is attached. expect all covereds to return
5638 local_pfx.fp_len = 24;
5639 fib_table_entry_update_one_path(fib_index,
5642 FIB_ENTRY_FLAG_NONE,
5645 tm->hw[0]->sw_if_index,
5646 ~0, // invalid fib index
5649 FIB_ROUTE_PATH_FLAG_NONE);
5651 fei = fib_table_lookup_exact_match(fib_index, &pfx_10_10_10_1_s_32);
5652 FIB_TEST((FIB_NODE_INDEX_INVALID != fei), "ADJ-fib1 reinstalled in export");
5653 dpo = fib_entry_contribute_ip_forwarding(fei);
5654 FIB_TEST(dpo_cmp(dpo_drop, load_balance_get_bucket(dpo->dpoi_index, 0)),
5655 "Adj-fib1 is not drop in export");
5656 fei = fib_table_lookup_exact_match(fib_index, &pfx_10_10_10_2_s_32);
5657 FIB_TEST((FIB_NODE_INDEX_INVALID != fei), "ADJ-fib2 reinstalled in export");
5658 local_pfx.fp_len = 32;
5659 fei = fib_table_lookup_exact_match(fib_index, &local_pfx);
5660 FIB_TEST((FIB_NODE_INDEX_INVALID != fei), "local reinstalled in export");
5661 fei = fib_table_lookup_exact_match(import_fib_index1, &pfx_10_10_10_1_s_32);
5662 FIB_TEST((FIB_NODE_INDEX_INVALID != fei), "attached in export: ADJ-fib1 imported");
5663 dpo = fib_entry_contribute_ip_forwarding(fei);
5664 FIB_TEST(dpo_cmp(dpo_drop, load_balance_get_bucket(dpo->dpoi_index, 0)),
5665 "Adj-fib1 is not drop in export: %U %U",
5666 format_dpo_id, dpo, 0,
5667 format_dpo_id, load_balance_get_bucket(dpo->dpoi_index, 0), 0);
5668 fei = fib_table_lookup_exact_match(import_fib_index1, &pfx_10_10_10_1_s_32);
5669 FIB_TEST((FIB_NODE_INDEX_INVALID != fei), "ADJ-fib1 imported");
5670 fei = fib_table_lookup_exact_match(import_fib_index1, &pfx_10_10_10_2_s_32);
5671 FIB_TEST((FIB_NODE_INDEX_INVALID != fei), "ADJ-fib2 imported");
5672 local_pfx.fp_len = 32;
5673 fei = fib_table_lookup_exact_match(import_fib_index1, &local_pfx);
5674 FIB_TEST((FIB_NODE_INDEX_INVALID != fei), "local imported");
5677 * modify the export prefix so connected. no change.
5679 local_pfx.fp_len = 24;
5680 fib_table_entry_update_one_path(fib_index, &local_pfx,
5681 FIB_SOURCE_INTERFACE,
5682 (FIB_ENTRY_FLAG_CONNECTED |
5683 FIB_ENTRY_FLAG_ATTACHED),
5686 tm->hw[0]->sw_if_index,
5690 FIB_ROUTE_PATH_FLAG_NONE);
5692 fei = fib_table_lookup_exact_match(fib_index, &pfx_10_10_10_1_s_32);
5693 FIB_TEST((FIB_NODE_INDEX_INVALID != fei), "ADJ-fib1 reinstalled in export");
5694 dpo = fib_entry_contribute_ip_forwarding(fei);
5695 FIB_TEST(dpo_cmp(dpo_drop, load_balance_get_bucket(dpo->dpoi_index, 0)),
5696 "Adj-fib1 is not drop in export");
5697 fei = fib_table_lookup_exact_match(fib_index, &pfx_10_10_10_2_s_32);
5698 FIB_TEST((FIB_NODE_INDEX_INVALID != fei), "ADJ-fib2 reinstalled in export");
5699 local_pfx.fp_len = 32;
5700 fei = fib_table_lookup_exact_match(fib_index, &local_pfx);
5701 FIB_TEST((FIB_NODE_INDEX_INVALID != fei), "local reinstalled in export");
5702 fei = fib_table_lookup_exact_match(import_fib_index1, &pfx_10_10_10_1_s_32);
5703 FIB_TEST((FIB_NODE_INDEX_INVALID != fei), "attached in export: ADJ-fib1 imported");
5704 dpo = fib_entry_contribute_ip_forwarding(fei);
5705 FIB_TEST(dpo_cmp(dpo_drop, load_balance_get_bucket(dpo->dpoi_index, 0)),
5706 "Adj-fib1 is not drop in export");
5707 fei = fib_table_lookup_exact_match(import_fib_index1, &pfx_10_10_10_2_s_32);
5708 FIB_TEST((FIB_NODE_INDEX_INVALID != fei), "ADJ-fib2 imported");
5709 local_pfx.fp_len = 32;
5710 fei = fib_table_lookup_exact_match(import_fib_index1, &local_pfx);
5711 FIB_TEST((FIB_NODE_INDEX_INVALID != fei), "local imported");
5716 fib_table_entry_delete(fib_index,
5719 fib_table_entry_delete(fib_index,
5720 &pfx_10_10_10_1_s_32,
5722 fib_table_entry_delete(fib_index,
5723 &pfx_10_10_10_2_s_32,
5725 local_pfx.fp_len = 32;
5726 fib_table_entry_delete(fib_index,
5728 FIB_SOURCE_INTERFACE);
5729 local_pfx.fp_len = 24;
5730 fib_table_entry_delete(fib_index,
5733 fib_table_entry_delete(fib_index,
5735 FIB_SOURCE_INTERFACE);
5736 local_pfx.fp_len = 24;
5737 fib_table_entry_delete(import_fib_index1,
5741 fib_table_unlock(import_fib_index1, FIB_PROTOCOL_IP4, FIB_SOURCE_CLI);
5742 fib_table_unlock(import_fib_index2, FIB_PROTOCOL_IP4, FIB_SOURCE_CLI);
5744 FIB_TEST((0 == adj_nbr_db_size()), "ADJ DB size is %d",
5751 * Test Path Preference
5754 fib_test_pref (void)
5756 test_main_t *tm = &test_main;
5760 const fib_prefix_t pfx_1_1_1_1_s_32 = {
5762 .fp_proto = FIB_PROTOCOL_IP4,
5765 .as_u32 = clib_host_to_net_u32(0x01010101),
5771 * 2 high, 2 medium and 2 low preference non-recursive paths
5773 fib_route_path_t nr_path_hi_1 = {
5774 .frp_proto = DPO_PROTO_IP4,
5775 .frp_sw_if_index = tm->hw[0]->sw_if_index,
5776 .frp_fib_index = ~0,
5778 .frp_preference = 0,
5779 .frp_flags = FIB_ROUTE_PATH_FLAG_NONE,
5781 .ip4.as_u32 = clib_host_to_net_u32(0x0a0a0a01),
5784 fib_route_path_t nr_path_hi_2 = {
5785 .frp_proto = DPO_PROTO_IP4,
5786 .frp_sw_if_index = tm->hw[0]->sw_if_index,
5787 .frp_fib_index = ~0,
5789 .frp_preference = 0,
5790 .frp_flags = FIB_ROUTE_PATH_FLAG_NONE,
5792 .ip4.as_u32 = clib_host_to_net_u32(0x0a0a0a02),
5795 fib_route_path_t nr_path_med_1 = {
5796 .frp_proto = DPO_PROTO_IP4,
5797 .frp_sw_if_index = tm->hw[1]->sw_if_index,
5798 .frp_fib_index = ~0,
5800 .frp_preference = 1,
5801 .frp_flags = FIB_ROUTE_PATH_FLAG_NONE,
5803 .ip4.as_u32 = clib_host_to_net_u32(0x0a0a0c01),
5806 fib_route_path_t nr_path_med_2 = {
5807 .frp_proto = DPO_PROTO_IP4,
5808 .frp_sw_if_index = tm->hw[1]->sw_if_index,
5809 .frp_fib_index = ~0,
5811 .frp_preference = 1,
5812 .frp_flags = FIB_ROUTE_PATH_FLAG_NONE,
5814 .ip4.as_u32 = clib_host_to_net_u32(0x0a0a0c01),
5817 fib_route_path_t nr_path_low_1 = {
5818 .frp_proto = DPO_PROTO_IP4,
5819 .frp_sw_if_index = tm->hw[2]->sw_if_index,
5820 .frp_fib_index = ~0,
5822 .frp_preference = 2,
5823 .frp_flags = FIB_ROUTE_PATH_FLAG_NONE,
5825 .ip4.as_u32 = clib_host_to_net_u32(0x0a0a0b01),
5828 fib_route_path_t nr_path_low_2 = {
5829 .frp_proto = DPO_PROTO_IP4,
5830 .frp_sw_if_index = tm->hw[2]->sw_if_index,
5831 .frp_fib_index = ~0,
5833 .frp_preference = 2,
5834 .frp_flags = FIB_ROUTE_PATH_FLAG_NONE,
5836 .ip4.as_u32 = clib_host_to_net_u32(0x0a0a0b02),
5839 fib_route_path_t *nr_paths = NULL;
5841 vec_add1(nr_paths, nr_path_hi_1);
5842 vec_add1(nr_paths, nr_path_hi_2);
5843 vec_add1(nr_paths, nr_path_med_1);
5844 vec_add1(nr_paths, nr_path_med_2);
5845 vec_add1(nr_paths, nr_path_low_1);
5846 vec_add1(nr_paths, nr_path_low_2);
5848 adj_index_t ai_hi_1 = adj_nbr_add_or_lock(FIB_PROTOCOL_IP4,
5850 &nr_path_hi_1.frp_addr,
5851 nr_path_hi_1.frp_sw_if_index);
5852 adj_index_t ai_hi_2 = adj_nbr_add_or_lock(FIB_PROTOCOL_IP4,
5854 &nr_path_hi_2.frp_addr,
5855 nr_path_hi_2.frp_sw_if_index);
5856 adj_index_t ai_med_1 = adj_nbr_add_or_lock(FIB_PROTOCOL_IP4,
5858 &nr_path_med_1.frp_addr,
5859 nr_path_med_1.frp_sw_if_index);
5860 adj_index_t ai_med_2 = adj_nbr_add_or_lock(FIB_PROTOCOL_IP4,
5862 &nr_path_med_2.frp_addr,
5863 nr_path_med_2.frp_sw_if_index);
5864 adj_index_t ai_low_1 = adj_nbr_add_or_lock(FIB_PROTOCOL_IP4,
5866 &nr_path_low_1.frp_addr,
5867 nr_path_low_1.frp_sw_if_index);
5868 adj_index_t ai_low_2 = adj_nbr_add_or_lock(FIB_PROTOCOL_IP4,
5870 &nr_path_low_2.frp_addr,
5871 nr_path_low_2.frp_sw_if_index);
5873 fib_test_lb_bucket_t ip_hi_1 = {
5879 fib_test_lb_bucket_t ip_hi_2 = {
5885 fib_test_lb_bucket_t ip_med_1 = {
5891 fib_test_lb_bucket_t ip_med_2 = {
5897 fib_test_lb_bucket_t ip_low_1 = {
5903 fib_test_lb_bucket_t ip_low_2 = {
5910 fib_node_index_t fei;
5912 fei = fib_table_entry_path_add2(0,
5915 FIB_ENTRY_FLAG_NONE,
5918 FIB_TEST(!fib_test_validate_entry(fei,
5919 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
5923 "1.1.1.1/32 via high preference paths");
5926 * bring down the interface on which the high preference path lie
5928 vnet_sw_interface_set_flags(vnet_get_main(),
5929 tm->hw[0]->sw_if_index,
5932 FIB_TEST(!fib_test_validate_entry(fei,
5933 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
5937 "1.1.1.1/32 via medium preference paths");
5940 * bring down the interface on which the medium preference path lie
5942 vnet_sw_interface_set_flags(vnet_get_main(),
5943 tm->hw[1]->sw_if_index,
5946 FIB_TEST(!fib_test_validate_entry(fei,
5947 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
5951 "1.1.1.1/32 via low preference paths");
5954 * bring up the interface on which the high preference path lie
5956 vnet_sw_interface_set_flags(vnet_get_main(),
5957 tm->hw[0]->sw_if_index,
5958 VNET_SW_INTERFACE_FLAG_ADMIN_UP);
5960 FIB_TEST(!fib_test_validate_entry(fei,
5961 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
5965 "1.1.1.1/32 via high preference paths");
5968 * bring up the interface on which the medium preference path lie
5970 vnet_sw_interface_set_flags(vnet_get_main(),
5971 tm->hw[1]->sw_if_index,
5972 VNET_SW_INTERFACE_FLAG_ADMIN_UP);
5974 FIB_TEST(!fib_test_validate_entry(fei,
5975 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
5979 "1.1.1.1/32 via high preference paths");
5981 dpo_id_t ip_1_1_1_1 = DPO_INVALID;
5982 fib_entry_contribute_forwarding(fei,
5983 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
5987 * 3 recursive paths of different preference
5989 const fib_prefix_t pfx_1_1_1_2_s_32 = {
5991 .fp_proto = FIB_PROTOCOL_IP4,
5994 .as_u32 = clib_host_to_net_u32(0x01010102),
5998 const fib_prefix_t pfx_1_1_1_3_s_32 = {
6000 .fp_proto = FIB_PROTOCOL_IP4,
6003 .as_u32 = clib_host_to_net_u32(0x01010103),
6007 fei = fib_table_entry_path_add2(0,
6010 FIB_ENTRY_FLAG_NONE,
6012 dpo_id_t ip_1_1_1_2 = DPO_INVALID;
6013 fib_entry_contribute_forwarding(fei,
6014 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
6016 fei = fib_table_entry_path_add2(0,
6019 FIB_ENTRY_FLAG_NONE,
6021 dpo_id_t ip_1_1_1_3 = DPO_INVALID;
6022 fib_entry_contribute_forwarding(fei,
6023 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
6026 fib_test_lb_bucket_t ip_o_1_1_1_1 = {
6029 .lb = ip_1_1_1_1.dpoi_index,
6032 fib_test_lb_bucket_t ip_o_1_1_1_2 = {
6035 .lb = ip_1_1_1_2.dpoi_index,
6038 fib_test_lb_bucket_t ip_o_1_1_1_3 = {
6041 .lb = ip_1_1_1_3.dpoi_index,
6044 fib_route_path_t r_path_hi = {
6045 .frp_proto = DPO_PROTO_IP4,
6046 .frp_sw_if_index = ~0,
6049 .frp_preference = 0,
6050 .frp_flags = FIB_ROUTE_PATH_RESOLVE_VIA_HOST,
6051 .frp_addr = pfx_1_1_1_1_s_32.fp_addr,
6053 fib_route_path_t r_path_med = {
6054 .frp_proto = DPO_PROTO_IP4,
6055 .frp_sw_if_index = ~0,
6058 .frp_preference = 10,
6059 .frp_flags = FIB_ROUTE_PATH_FLAG_NONE,
6060 .frp_addr = pfx_1_1_1_2_s_32.fp_addr,
6062 fib_route_path_t r_path_low = {
6063 .frp_proto = DPO_PROTO_IP4,
6064 .frp_sw_if_index = ~0,
6067 .frp_preference = 255,
6068 .frp_flags = FIB_ROUTE_PATH_RESOLVE_VIA_HOST,
6069 .frp_addr = pfx_1_1_1_3_s_32.fp_addr,
6071 fib_route_path_t *r_paths = NULL;
6073 vec_add1(r_paths, r_path_hi);
6074 vec_add1(r_paths, r_path_low);
6075 vec_add1(r_paths, r_path_med);
6078 * add many recursive so we get the LB MAp created
6081 fib_prefix_t pfx_r[N_PFXS];
6082 unsigned int n_pfxs;
6083 for (n_pfxs = 0; n_pfxs < N_PFXS; n_pfxs++)
6085 pfx_r[n_pfxs].fp_len = 32;
6086 pfx_r[n_pfxs].fp_proto = FIB_PROTOCOL_IP4;
6087 pfx_r[n_pfxs].fp_addr.ip4.as_u32 =
6088 clib_host_to_net_u32(0x02000000 + n_pfxs);
6090 fei = fib_table_entry_path_add2(0,
6093 FIB_ENTRY_FLAG_NONE,
6096 FIB_TEST(!fib_test_validate_entry(fei,
6097 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
6100 "recursive via high preference paths");
6103 * withdraw hig pref resolving entry
6105 fib_table_entry_delete(0,
6109 /* suspend so the update walk kicks int */
6110 vlib_process_suspend(vlib_get_main(), 1e-5);
6112 FIB_TEST(!fib_test_validate_entry(fei,
6113 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
6116 "recursive via medium preference paths");
6119 * withdraw medium pref resolving entry
6121 fib_table_entry_delete(0,
6125 /* suspend so the update walk kicks int */
6126 vlib_process_suspend(vlib_get_main(), 1e-5);
6128 FIB_TEST(!fib_test_validate_entry(fei,
6129 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
6132 "recursive via low preference paths");
6135 * add back paths for next iteration
6137 fei = fib_table_entry_update(0,
6140 FIB_ENTRY_FLAG_NONE,
6142 fei = fib_table_entry_update(0,
6145 FIB_ENTRY_FLAG_NONE,
6148 /* suspend so the update walk kicks int */
6149 vlib_process_suspend(vlib_get_main(), 1e-5);
6151 fei = fib_table_lookup_exact_match(0, &pfx_r[n_pfxs]);
6152 FIB_TEST(!fib_test_validate_entry(fei,
6153 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
6156 "recursive via high preference paths");
6160 fib_table_entry_delete(0,
6164 /* suspend so the update walk kicks int */
6165 vlib_process_suspend(vlib_get_main(), 1e-5);
6167 for (n_pfxs = 0; n_pfxs < N_PFXS; n_pfxs++)
6169 fei = fib_table_lookup_exact_match(0, &pfx_r[n_pfxs]);
6171 FIB_TEST(!fib_test_validate_entry(fei,
6172 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
6175 "recursive via medium preference paths");
6177 for (n_pfxs = 0; n_pfxs < N_PFXS; n_pfxs++)
6179 fib_table_entry_delete(0,
6187 fib_table_entry_delete(0,
6190 fib_table_entry_delete(0,
6194 dpo_reset(&ip_1_1_1_1);
6195 dpo_reset(&ip_1_1_1_2);
6196 dpo_reset(&ip_1_1_1_3);
6197 adj_unlock(ai_low_2);
6198 adj_unlock(ai_low_1);
6199 adj_unlock(ai_med_2);
6200 adj_unlock(ai_med_1);
6201 adj_unlock(ai_hi_2);
6202 adj_unlock(ai_hi_1);
6208 * Test the recursive route route handling for GRE tunnels
6211 fib_test_label (void)
6213 fib_node_index_t fei, ai_mpls_10_10_10_1, ai_v4_10_10_11_1, ai_v4_10_10_11_2, ai_mpls_10_10_11_2, ai_mpls_10_10_11_1;
6214 const u32 fib_index = 0;
6215 int lb_count, ii, res;
6220 lb_count = pool_elts(load_balance_pool);
6225 * add interface routes. We'll assume this works. It's more rigorously
6228 fib_prefix_t local0_pfx = {
6230 .fp_proto = FIB_PROTOCOL_IP4,
6234 .as_u32 = clib_host_to_net_u32(0x0a0a0a0a),
6239 FIB_TEST((0 == adj_nbr_db_size()), "ADJ DB size is %d",
6242 vec_validate(im->fib_index_by_sw_if_index, tm->hw[0]->sw_if_index);
6243 im->fib_index_by_sw_if_index[tm->hw[0]->sw_if_index] = fib_index;
6245 fib_table_entry_update_one_path(fib_index, &local0_pfx,
6246 FIB_SOURCE_INTERFACE,
6247 (FIB_ENTRY_FLAG_CONNECTED |
6248 FIB_ENTRY_FLAG_ATTACHED),
6251 tm->hw[0]->sw_if_index,
6255 FIB_ROUTE_PATH_FLAG_NONE);
6256 fei = fib_table_lookup_exact_match(fib_index, &local0_pfx);
6257 FIB_TEST((FIB_NODE_INDEX_INVALID != fei),
6258 "attached interface route present");
6260 local0_pfx.fp_len = 32;
6261 fib_table_entry_update_one_path(fib_index, &local0_pfx,
6262 FIB_SOURCE_INTERFACE,
6263 (FIB_ENTRY_FLAG_CONNECTED |
6264 FIB_ENTRY_FLAG_LOCAL),
6267 tm->hw[0]->sw_if_index,
6268 ~0, // invalid fib index
6271 FIB_ROUTE_PATH_FLAG_NONE);
6272 fei = fib_table_lookup_exact_match(fib_index, &local0_pfx);
6274 FIB_TEST((FIB_NODE_INDEX_INVALID != fei),
6275 "local interface route present");
6277 fib_prefix_t local1_pfx = {
6279 .fp_proto = FIB_PROTOCOL_IP4,
6283 .as_u32 = clib_host_to_net_u32(0x0a0a0b0a),
6288 vec_validate(im->fib_index_by_sw_if_index, tm->hw[1]->sw_if_index);
6289 im->fib_index_by_sw_if_index[tm->hw[1]->sw_if_index] = fib_index;
6291 fib_table_entry_update_one_path(fib_index, &local1_pfx,
6292 FIB_SOURCE_INTERFACE,
6293 (FIB_ENTRY_FLAG_CONNECTED |
6294 FIB_ENTRY_FLAG_ATTACHED),
6297 tm->hw[1]->sw_if_index,
6301 FIB_ROUTE_PATH_FLAG_NONE);
6302 fei = fib_table_lookup_exact_match(fib_index, &local1_pfx);
6303 FIB_TEST((FIB_NODE_INDEX_INVALID != fei),
6304 "attached interface route present");
6306 local1_pfx.fp_len = 32;
6307 fib_table_entry_update_one_path(fib_index, &local1_pfx,
6308 FIB_SOURCE_INTERFACE,
6309 (FIB_ENTRY_FLAG_CONNECTED |
6310 FIB_ENTRY_FLAG_LOCAL),
6313 tm->hw[1]->sw_if_index,
6314 ~0, // invalid fib index
6317 FIB_ROUTE_PATH_FLAG_NONE);
6318 fei = fib_table_lookup_exact_match(fib_index, &local1_pfx);
6320 FIB_TEST((FIB_NODE_INDEX_INVALID != fei),
6321 "local interface route present");
6323 ip46_address_t nh_10_10_10_1 = {
6325 .as_u32 = clib_host_to_net_u32(0x0a0a0a01),
6328 ip46_address_t nh_10_10_11_1 = {
6330 .as_u32 = clib_host_to_net_u32(0x0a0a0b01),
6333 ip46_address_t nh_10_10_11_2 = {
6335 .as_u32 = clib_host_to_net_u32(0x0a0a0b02),
6339 ai_v4_10_10_11_1 = adj_nbr_add_or_lock(FIB_PROTOCOL_IP4,
6342 tm->hw[1]->sw_if_index);
6343 ai_v4_10_10_11_2 = adj_nbr_add_or_lock(FIB_PROTOCOL_IP4,
6346 tm->hw[1]->sw_if_index);
6347 ai_mpls_10_10_10_1 = adj_nbr_add_or_lock(FIB_PROTOCOL_IP4,
6350 tm->hw[0]->sw_if_index);
6351 ai_mpls_10_10_11_2 = adj_nbr_add_or_lock(FIB_PROTOCOL_IP4,
6354 tm->hw[1]->sw_if_index);
6355 ai_mpls_10_10_11_1 = adj_nbr_add_or_lock(FIB_PROTOCOL_IP4,
6358 tm->hw[1]->sw_if_index);
6361 * Add an etry with one path with a real out-going label
6363 fib_prefix_t pfx_1_1_1_1_s_32 = {
6365 .fp_proto = FIB_PROTOCOL_IP4,
6367 .ip4.as_u32 = clib_host_to_net_u32(0x01010101),
6370 fib_test_lb_bucket_t l99_eos_o_10_10_10_1 = {
6371 .type = FT_LB_LABEL_O_ADJ,
6373 .adj = ai_mpls_10_10_10_1,
6378 fib_test_lb_bucket_t l99_neos_o_10_10_10_1 = {
6379 .type = FT_LB_LABEL_O_ADJ,
6381 .adj = ai_mpls_10_10_10_1,
6383 .eos = MPLS_NON_EOS,
6386 fib_mpls_label_t *l99 = NULL, fml99 = {
6389 vec_add1(l99, fml99);
6391 fib_table_entry_update_one_path(fib_index,
6394 FIB_ENTRY_FLAG_NONE,
6397 tm->hw[0]->sw_if_index,
6398 ~0, // invalid fib index
6401 FIB_ROUTE_PATH_FLAG_NONE);
6403 fei = fib_table_lookup(fib_index, &pfx_1_1_1_1_s_32);
6404 FIB_TEST((FIB_NODE_INDEX_INVALID != fei), "1.1.1.1/32 created");
6406 FIB_TEST(!fib_test_validate_entry(fei,
6407 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
6409 &l99_eos_o_10_10_10_1),
6410 "1.1.1.1/32 LB 1 bucket via label 99 over 10.10.10.1");
6413 * add a path with an implicit NULL label
6415 fib_test_lb_bucket_t a_o_10_10_11_1 = {
6418 .adj = ai_v4_10_10_11_1,
6421 fib_test_lb_bucket_t a_mpls_o_10_10_11_1 = {
6424 .adj = ai_mpls_10_10_11_1,
6427 fib_mpls_label_t *l_imp_null = NULL, fml_imp_null = {
6428 .fml_value = MPLS_IETF_IMPLICIT_NULL_LABEL,
6430 vec_add1(l_imp_null, fml_imp_null);
6432 fei = fib_table_entry_path_add(fib_index,
6435 FIB_ENTRY_FLAG_NONE,
6438 tm->hw[1]->sw_if_index,
6439 ~0, // invalid fib index
6442 FIB_ROUTE_PATH_FLAG_NONE);
6444 FIB_TEST(!fib_test_validate_entry(fei,
6445 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
6447 &l99_eos_o_10_10_10_1,
6449 "1.1.1.1/32 LB 2 buckets via: "
6450 "label 99 over 10.10.10.1, "
6451 "adj over 10.10.11.1");
6454 * assign the route a local label
6456 fib_table_entry_local_label_add(fib_index,
6460 fib_prefix_t pfx_24001_eos = {
6461 .fp_proto = FIB_PROTOCOL_MPLS,
6465 fib_prefix_t pfx_24001_neos = {
6466 .fp_proto = FIB_PROTOCOL_MPLS,
6468 .fp_eos = MPLS_NON_EOS,
6470 fib_test_lb_bucket_t disp_o_10_10_11_1 = {
6471 .type = FT_LB_MPLS_DISP_PIPE_O_ADJ,
6473 .adj = ai_v4_10_10_11_1,
6478 * The EOS entry should link to both the paths,
6479 * and use an ip adj for the imp-null
6480 * The NON-EOS entry should link to both the paths,
6481 * and use an mpls adj for the imp-null
6483 fei = fib_table_lookup(MPLS_FIB_DEFAULT_TABLE_ID,
6485 FIB_TEST(!fib_test_validate_entry(fei,
6486 FIB_FORW_CHAIN_TYPE_MPLS_EOS,
6488 &l99_eos_o_10_10_10_1,
6489 &disp_o_10_10_11_1),
6490 "24001/eos LB 2 buckets via: "
6491 "label 99 over 10.10.10.1, "
6492 "mpls disp adj over 10.10.11.1");
6495 fei = fib_table_lookup(MPLS_FIB_DEFAULT_TABLE_ID,
6497 FIB_TEST(!fib_test_validate_entry(fei,
6498 FIB_FORW_CHAIN_TYPE_MPLS_NON_EOS,
6500 &l99_neos_o_10_10_10_1,
6501 &a_mpls_o_10_10_11_1),
6502 "24001/neos LB 1 bucket via: "
6503 "label 99 over 10.10.10.1 ",
6504 "mpls-adj via 10.10.11.1");
6507 * add an unlabelled path, this is excluded from the neos chains,
6509 fib_test_lb_bucket_t adj_o_10_10_11_2 = {
6512 .adj = ai_v4_10_10_11_2,
6515 fib_test_lb_bucket_t disp_o_10_10_11_2 = {
6516 .type = FT_LB_MPLS_DISP_PIPE_O_ADJ,
6518 .adj = ai_v4_10_10_11_2,
6523 fei = fib_table_entry_path_add(fib_index,
6526 FIB_ENTRY_FLAG_NONE,
6529 tm->hw[1]->sw_if_index,
6530 ~0, // invalid fib index
6533 FIB_ROUTE_PATH_FLAG_NONE);
6535 FIB_TEST(!fib_test_validate_entry(fei,
6536 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
6537 16, // 3 choices spread over 16 buckets
6538 &l99_eos_o_10_10_10_1,
6539 &l99_eos_o_10_10_10_1,
6540 &l99_eos_o_10_10_10_1,
6541 &l99_eos_o_10_10_10_1,
6542 &l99_eos_o_10_10_10_1,
6543 &l99_eos_o_10_10_10_1,
6554 "1.1.1.1/32 LB 16 buckets via: "
6555 "label 99 over 10.10.10.1, "
6556 "adj over 10.10.11.1",
6557 "adj over 10.10.11.2");
6560 * get and lock a reference to the non-eos of the via entry 1.1.1.1/32
6562 dpo_id_t non_eos_1_1_1_1 = DPO_INVALID;
6563 fib_entry_contribute_forwarding(fei,
6564 FIB_FORW_CHAIN_TYPE_MPLS_NON_EOS,
6568 * n-eos has only the 2 labelled paths
6570 fei = fib_table_lookup(MPLS_FIB_DEFAULT_TABLE_ID,
6573 FIB_TEST(!fib_test_validate_entry(fei,
6574 FIB_FORW_CHAIN_TYPE_MPLS_NON_EOS,
6576 &l99_neos_o_10_10_10_1,
6577 &a_mpls_o_10_10_11_1),
6578 "24001/neos LB 2 buckets via: "
6579 "label 99 over 10.10.10.1, "
6580 "adj-mpls over 10.10.11.2");
6583 * A labelled recursive
6585 fib_prefix_t pfx_2_2_2_2_s_32 = {
6587 .fp_proto = FIB_PROTOCOL_IP4,
6589 .ip4.as_u32 = clib_host_to_net_u32(0x02020202),
6592 fib_test_lb_bucket_t l1600_eos_o_1_1_1_1 = {
6593 .type = FT_LB_LABEL_O_LB,
6595 .lb = non_eos_1_1_1_1.dpoi_index,
6598 .mode = FIB_MPLS_LSP_MODE_UNIFORM,
6601 fib_mpls_label_t *l1600 = NULL, fml1600 = {
6603 .fml_mode = FIB_MPLS_LSP_MODE_UNIFORM,
6605 vec_add1(l1600, fml1600);
6607 fei = fib_table_entry_update_one_path(fib_index,
6610 FIB_ENTRY_FLAG_NONE,
6612 &pfx_1_1_1_1_s_32.fp_addr,
6617 FIB_ROUTE_PATH_FLAG_NONE);
6619 FIB_TEST(!fib_test_validate_entry(fei,
6620 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
6622 &l1600_eos_o_1_1_1_1),
6623 "2.2.2.2.2/32 LB 1 buckets via: "
6624 "label 1600 over 1.1.1.1");
6626 dpo_id_t dpo_44 = DPO_INVALID;
6629 fib_entry_contribute_forwarding(fei, FIB_FORW_CHAIN_TYPE_UNICAST_IP4, &dpo_44);
6630 urpfi = load_balance_get_urpf(dpo_44.dpoi_index);
6632 FIB_TEST(fib_urpf_check(urpfi, tm->hw[0]->sw_if_index),
6633 "uRPF check for 2.2.2.2/32 on %d OK",
6634 tm->hw[0]->sw_if_index);
6635 FIB_TEST(fib_urpf_check(urpfi, tm->hw[1]->sw_if_index),
6636 "uRPF check for 2.2.2.2/32 on %d OK",
6637 tm->hw[1]->sw_if_index);
6638 FIB_TEST(!fib_urpf_check(urpfi, 99),
6639 "uRPF check for 2.2.2.2/32 on 99 not-OK",
6642 fib_entry_contribute_forwarding(fei, FIB_FORW_CHAIN_TYPE_MPLS_NON_EOS, &dpo_44);
6643 FIB_TEST(urpfi == load_balance_get_urpf(dpo_44.dpoi_index),
6644 "Shared uRPF on IP and non-EOS chain");
6649 * we are holding a lock on the non-eos LB of the via-entry.
6650 * do a PIC-core failover by shutting the link of the via-entry.
6652 * shut down the link with the valid label
6654 vnet_sw_interface_set_flags(vnet_get_main(),
6655 tm->hw[0]->sw_if_index,
6658 fei = fib_table_lookup(fib_index, &pfx_1_1_1_1_s_32);
6659 FIB_TEST(!fib_test_validate_entry(fei,
6660 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
6664 "1.1.1.1/32 LB 2 buckets via: "
6665 "adj over 10.10.11.1, ",
6666 "adj-v4 over 10.10.11.2");
6668 fei = fib_table_lookup(MPLS_FIB_DEFAULT_TABLE_ID,
6670 FIB_TEST(!fib_test_validate_entry(fei,
6671 FIB_FORW_CHAIN_TYPE_MPLS_EOS,
6674 &disp_o_10_10_11_2),
6675 "24001/eos LB 2 buckets via: "
6676 "mpls-disp adj over 10.10.11.1, ",
6677 "mpls-disp adj-v4 over 10.10.11.2");
6679 fei = fib_table_lookup(MPLS_FIB_DEFAULT_TABLE_ID,
6681 FIB_TEST(!fib_test_validate_entry(fei,
6682 FIB_FORW_CHAIN_TYPE_MPLS_NON_EOS,
6684 &a_mpls_o_10_10_11_1),
6685 "24001/neos LB 1 buckets via: "
6686 "adj-mpls over 10.10.11.2");
6689 * test that the pre-failover load-balance has been in-place
6692 dpo_id_t current = DPO_INVALID;
6693 fib_entry_contribute_forwarding(fei,
6694 FIB_FORW_CHAIN_TYPE_MPLS_NON_EOS,
6697 FIB_TEST(!dpo_cmp(&non_eos_1_1_1_1,
6699 "PIC-core LB inplace modified %U %U",
6700 format_dpo_id, &non_eos_1_1_1_1, 0,
6701 format_dpo_id, ¤t, 0);
6703 dpo_reset(&non_eos_1_1_1_1);
6704 dpo_reset(¤t);
6707 * no-shut the link with the valid label
6709 vnet_sw_interface_set_flags(vnet_get_main(),
6710 tm->hw[0]->sw_if_index,
6711 VNET_SW_INTERFACE_FLAG_ADMIN_UP);
6713 fei = fib_table_lookup(fib_index, &pfx_1_1_1_1_s_32);
6714 FIB_TEST(!fib_test_validate_entry(fei,
6715 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
6716 16, // 3 choices spread over 16 buckets
6717 &l99_eos_o_10_10_10_1,
6718 &l99_eos_o_10_10_10_1,
6719 &l99_eos_o_10_10_10_1,
6720 &l99_eos_o_10_10_10_1,
6721 &l99_eos_o_10_10_10_1,
6722 &l99_eos_o_10_10_10_1,
6733 "1.1.1.1/32 LB 16 buckets via: "
6734 "label 99 over 10.10.10.1, "
6735 "adj over 10.10.11.1",
6736 "adj-v4 over 10.10.11.2");
6739 fei = fib_table_lookup(MPLS_FIB_DEFAULT_TABLE_ID,
6741 FIB_TEST(!fib_test_validate_entry(fei,
6742 FIB_FORW_CHAIN_TYPE_MPLS_EOS,
6743 16, // 3 choices spread over 16 buckets
6744 &l99_eos_o_10_10_10_1,
6745 &l99_eos_o_10_10_10_1,
6746 &l99_eos_o_10_10_10_1,
6747 &l99_eos_o_10_10_10_1,
6748 &l99_eos_o_10_10_10_1,
6749 &l99_eos_o_10_10_10_1,
6759 &disp_o_10_10_11_2),
6760 "24001/eos LB 16 buckets via: "
6761 "label 99 over 10.10.10.1, "
6762 "MPLS disp adj over 10.10.11.1",
6763 "MPLS disp adj-v4 over 10.10.11.2");
6765 fei = fib_table_lookup(MPLS_FIB_DEFAULT_TABLE_ID,
6767 FIB_TEST(!fib_test_validate_entry(fei,
6768 FIB_FORW_CHAIN_TYPE_MPLS_NON_EOS,
6770 &l99_neos_o_10_10_10_1,
6771 &a_mpls_o_10_10_11_1),
6772 "24001/neos LB 2 buckets via: "
6773 "label 99 over 10.10.10.1, "
6774 "adj-mpls over 10.10.11.2");
6777 * remove the first path with the valid label
6779 fib_table_entry_path_remove(fib_index,
6784 tm->hw[0]->sw_if_index,
6785 ~0, // invalid fib index
6787 FIB_ROUTE_PATH_FLAG_NONE);
6789 fei = fib_table_lookup(fib_index, &pfx_1_1_1_1_s_32);
6790 FIB_TEST(!fib_test_validate_entry(fei,
6791 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
6795 "1.1.1.1/32 LB 2 buckets via: "
6796 "adj over 10.10.11.1, "
6797 "adj-v4 over 10.10.11.2");
6799 fei = fib_table_lookup(MPLS_FIB_DEFAULT_TABLE_ID,
6801 FIB_TEST(!fib_test_validate_entry(fei,
6802 FIB_FORW_CHAIN_TYPE_MPLS_EOS,
6805 &disp_o_10_10_11_2),
6806 "24001/eos LB 2 buckets via: "
6807 "MPLS disp adj over 10.10.11.1, "
6808 "MPLS disp adj-v4 over 10.10.11.2");
6810 fei = fib_table_lookup(MPLS_FIB_DEFAULT_TABLE_ID,
6813 FIB_TEST(!fib_test_validate_entry(fei,
6814 FIB_FORW_CHAIN_TYPE_MPLS_NON_EOS,
6816 &a_mpls_o_10_10_11_1),
6817 "24001/neos LB 1 buckets via: "
6818 "adj-mpls over 10.10.11.2");
6821 * remove the other path with a valid label
6823 fib_test_lb_bucket_t bucket_drop = {
6826 fib_test_lb_bucket_t mpls_bucket_drop = {
6829 .adj = DPO_PROTO_MPLS,
6833 fib_table_entry_path_remove(fib_index,
6838 tm->hw[1]->sw_if_index,
6839 ~0, // invalid fib index
6841 FIB_ROUTE_PATH_FLAG_NONE);
6843 fei = fib_table_lookup(fib_index, &pfx_1_1_1_1_s_32);
6844 FIB_TEST(!fib_test_validate_entry(fei,
6845 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
6848 "1.1.1.1/32 LB 1 buckets via: "
6849 "adj over 10.10.11.2");
6851 fei = fib_table_lookup(MPLS_FIB_DEFAULT_TABLE_ID,
6853 FIB_TEST(!fib_test_validate_entry(fei,
6854 FIB_FORW_CHAIN_TYPE_MPLS_EOS,
6856 &disp_o_10_10_11_2),
6857 "24001/eos LB 1 buckets via: "
6858 "MPLS disp adj over 10.10.11.2");
6860 fei = fib_table_lookup(MPLS_FIB_DEFAULT_TABLE_ID,
6862 FIB_TEST(!fib_test_validate_entry(fei,
6863 FIB_FORW_CHAIN_TYPE_MPLS_NON_EOS,
6866 "24001/neos LB 1 buckets via: DROP");
6869 * add back the path with the valid label
6872 vec_add1(l99, fml99);
6874 fib_table_entry_path_add(fib_index,
6877 FIB_ENTRY_FLAG_NONE,
6880 tm->hw[0]->sw_if_index,
6881 ~0, // invalid fib index
6884 FIB_ROUTE_PATH_FLAG_NONE);
6886 fei = fib_table_lookup(fib_index, &pfx_1_1_1_1_s_32);
6887 FIB_TEST(!fib_test_validate_entry(fei,
6888 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
6890 &l99_eos_o_10_10_10_1,
6892 "1.1.1.1/32 LB 2 buckets via: "
6893 "label 99 over 10.10.10.1, "
6894 "adj over 10.10.11.2");
6896 fei = fib_table_lookup(MPLS_FIB_DEFAULT_TABLE_ID,
6898 FIB_TEST(!fib_test_validate_entry(fei,
6899 FIB_FORW_CHAIN_TYPE_MPLS_EOS,
6901 &l99_eos_o_10_10_10_1,
6902 &disp_o_10_10_11_2),
6903 "24001/eos LB 2 buckets via: "
6904 "label 99 over 10.10.10.1, "
6905 "MPLS disp adj over 10.10.11.2");
6907 fei = fib_table_lookup(MPLS_FIB_DEFAULT_TABLE_ID,
6909 FIB_TEST(!fib_test_validate_entry(fei,
6910 FIB_FORW_CHAIN_TYPE_MPLS_NON_EOS,
6912 &l99_neos_o_10_10_10_1),
6913 "24001/neos LB 1 buckets via: "
6914 "label 99 over 10.10.10.1");
6917 * change the local label
6919 fib_table_entry_local_label_add(fib_index,
6923 fib_prefix_t pfx_25005_eos = {
6924 .fp_proto = FIB_PROTOCOL_MPLS,
6928 fib_prefix_t pfx_25005_neos = {
6929 .fp_proto = FIB_PROTOCOL_MPLS,
6931 .fp_eos = MPLS_NON_EOS,
6934 FIB_TEST((FIB_NODE_INDEX_INVALID ==
6935 fib_table_lookup(fib_index, &pfx_24001_eos)),
6936 "24001/eos removed after label change");
6937 FIB_TEST((FIB_NODE_INDEX_INVALID ==
6938 fib_table_lookup(fib_index, &pfx_24001_neos)),
6939 "24001/eos removed after label change");
6941 fei = fib_table_lookup(MPLS_FIB_DEFAULT_TABLE_ID,
6943 FIB_TEST(!fib_test_validate_entry(fei,
6944 FIB_FORW_CHAIN_TYPE_MPLS_EOS,
6946 &l99_eos_o_10_10_10_1,
6947 &disp_o_10_10_11_2),
6948 "25005/eos LB 2 buckets via: "
6949 "label 99 over 10.10.10.1, "
6950 "MPLS disp adj over 10.10.11.2");
6952 fei = fib_table_lookup(MPLS_FIB_DEFAULT_TABLE_ID,
6954 FIB_TEST(!fib_test_validate_entry(fei,
6955 FIB_FORW_CHAIN_TYPE_MPLS_NON_EOS,
6957 &l99_neos_o_10_10_10_1),
6958 "25005/neos LB 1 buckets via: "
6959 "label 99 over 10.10.10.1");
6962 * remove the local label.
6963 * the check that the MPLS entries are gone is done by the fact the
6964 * MPLS table is no longer present.
6966 fib_table_entry_local_label_remove(fib_index,
6970 fei = fib_table_lookup(fib_index, &pfx_1_1_1_1_s_32);
6971 FIB_TEST(!fib_test_validate_entry(fei,
6972 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
6974 &l99_eos_o_10_10_10_1,
6976 "24001/eos LB 2 buckets via: "
6977 "label 99 over 10.10.10.1, "
6978 "adj over 10.10.11.2");
6980 FIB_TEST((FIB_NODE_INDEX_INVALID ==
6981 mpls_fib_index_from_table_id(MPLS_FIB_DEFAULT_TABLE_ID)),
6982 "No more MPLS FIB entries => table removed");
6985 * add another via-entry for the recursive
6987 fib_prefix_t pfx_1_1_1_2_s_32 = {
6989 .fp_proto = FIB_PROTOCOL_IP4,
6991 .ip4.as_u32 = clib_host_to_net_u32(0x01010102),
6994 fib_test_lb_bucket_t l101_eos_o_10_10_10_1 = {
6995 .type = FT_LB_LABEL_O_ADJ,
6997 .adj = ai_mpls_10_10_10_1,
7002 fib_mpls_label_t *l101 = NULL, fml101 = {
7005 vec_add1(l101, fml101);
7007 fei = fib_table_entry_update_one_path(fib_index,
7010 FIB_ENTRY_FLAG_NONE,
7013 tm->hw[0]->sw_if_index,
7014 ~0, // invalid fib index
7017 FIB_ROUTE_PATH_FLAG_NONE);
7019 FIB_TEST(!fib_test_validate_entry(fei,
7020 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
7022 &l101_eos_o_10_10_10_1),
7023 "1.1.1.2/32 LB 1 buckets via: "
7024 "label 101 over 10.10.10.1");
7026 dpo_id_t non_eos_1_1_1_2 = DPO_INVALID;
7027 fib_entry_contribute_forwarding(fib_table_lookup(fib_index,
7029 FIB_FORW_CHAIN_TYPE_MPLS_NON_EOS,
7031 fib_entry_contribute_forwarding(fib_table_lookup(fib_index,
7033 FIB_FORW_CHAIN_TYPE_MPLS_NON_EOS,
7036 fib_test_lb_bucket_t l1601_eos_o_1_1_1_2 = {
7037 .type = FT_LB_LABEL_O_LB,
7039 .lb = non_eos_1_1_1_2.dpoi_index,
7044 fib_mpls_label_t *l1601 = NULL, fml1601 = {
7047 vec_add1(l1601, fml1601);
7049 l1600_eos_o_1_1_1_1.label_o_lb.lb = non_eos_1_1_1_1.dpoi_index;
7051 fei = fib_table_entry_path_add(fib_index,
7054 FIB_ENTRY_FLAG_NONE,
7056 &pfx_1_1_1_2_s_32.fp_addr,
7061 FIB_ROUTE_PATH_FLAG_NONE);
7063 FIB_TEST(!fib_test_validate_entry(fei,
7064 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
7066 &l1600_eos_o_1_1_1_1,
7067 &l1601_eos_o_1_1_1_2),
7068 "2.2.2.2/32 LB 2 buckets via: "
7069 "label 1600 via 1.1,1.1, "
7070 "label 16001 via 1.1.1.2");
7073 * update the via-entry so it no longer has an imp-null path.
7074 * the LB for the recursive can use an imp-null
7077 vec_add1(l_imp_null, fml_imp_null);
7079 fei = fib_table_entry_update_one_path(fib_index,
7082 FIB_ENTRY_FLAG_NONE,
7085 tm->hw[1]->sw_if_index,
7086 ~0, // invalid fib index
7089 FIB_ROUTE_PATH_FLAG_NONE);
7091 FIB_TEST(!fib_test_validate_entry(fei,
7092 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
7095 "1.1.1.2/32 LB 1 buckets via: "
7098 fei = fib_table_lookup(fib_index, &pfx_2_2_2_2_s_32);
7099 FIB_TEST(!fib_test_validate_entry(fei,
7100 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
7102 &l1600_eos_o_1_1_1_1,
7103 &l1601_eos_o_1_1_1_2),
7104 "2.2.2.2/32 LB 2 buckets via: "
7105 "label 1600 via 1.1,1.1, "
7106 "label 16001 via 1.1.1.2");
7109 * update the via-entry so it no longer has labelled paths.
7110 * the LB for the recursive should exclue this via form its LB
7112 fei = fib_table_entry_update_one_path(fib_index,
7115 FIB_ENTRY_FLAG_NONE,
7118 tm->hw[1]->sw_if_index,
7119 ~0, // invalid fib index
7122 FIB_ROUTE_PATH_FLAG_NONE);
7124 FIB_TEST(!fib_test_validate_entry(fei,
7125 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
7128 "1.1.1.2/32 LB 1 buckets via: "
7131 fei = fib_table_lookup(fib_index, &pfx_2_2_2_2_s_32);
7132 FIB_TEST(!fib_test_validate_entry(fei,
7133 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
7135 &l1600_eos_o_1_1_1_1),
7136 "2.2.2.2/32 LB 1 buckets via: "
7137 "label 1600 via 1.1,1.1");
7139 dpo_reset(&non_eos_1_1_1_1);
7140 dpo_reset(&non_eos_1_1_1_2);
7143 * Add a recursive with no out-labels. We expect to use the IP of the via
7145 fib_prefix_t pfx_2_2_2_3_s_32 = {
7147 .fp_proto = FIB_PROTOCOL_IP4,
7149 .ip4.as_u32 = clib_host_to_net_u32(0x02020203),
7152 dpo_id_t ip_1_1_1_1 = DPO_INVALID;
7154 fib_table_entry_update_one_path(fib_index,
7157 FIB_ENTRY_FLAG_NONE,
7159 &pfx_1_1_1_1_s_32.fp_addr,
7164 FIB_ROUTE_PATH_FLAG_NONE);
7166 fib_entry_contribute_forwarding(fib_table_lookup(fib_index,
7168 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
7171 fib_test_lb_bucket_t ip_o_1_1_1_1 = {
7174 .lb = ip_1_1_1_1.dpoi_index,
7178 fei = fib_table_lookup(fib_index, &pfx_2_2_2_3_s_32);
7179 FIB_TEST(!fib_test_validate_entry(fei,
7180 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
7183 "2.2.2.2.3/32 LB 1 buckets via: "
7187 * Add a recursive with an imp-null out-label.
7188 * We expect to use the IP of the via
7190 fib_prefix_t pfx_2_2_2_4_s_32 = {
7192 .fp_proto = FIB_PROTOCOL_IP4,
7194 .ip4.as_u32 = clib_host_to_net_u32(0x02020204),
7198 fib_table_entry_update_one_path(fib_index,
7201 FIB_ENTRY_FLAG_NONE,
7203 &pfx_1_1_1_1_s_32.fp_addr,
7208 FIB_ROUTE_PATH_FLAG_NONE);
7210 fei = fib_table_lookup(fib_index, &pfx_2_2_2_4_s_32);
7211 FIB_TEST(!fib_test_validate_entry(fei,
7212 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
7215 "2.2.2.2.4/32 LB 1 buckets via: "
7218 dpo_reset(&ip_1_1_1_1);
7221 * Create an entry with a deep label stack
7223 fib_prefix_t pfx_2_2_5_5_s_32 = {
7225 .fp_proto = FIB_PROTOCOL_IP4,
7227 .ip4.as_u32 = clib_host_to_net_u32(0x02020505),
7230 fib_test_lb_bucket_t ls_eos_o_10_10_10_1 = {
7231 .type = FT_LB_LABEL_STACK_O_ADJ,
7232 .label_stack_o_adj = {
7233 .adj = ai_mpls_10_10_11_1,
7234 .label_stack_size = 8,
7236 200, 201, 202, 203, 204, 205, 206, 207
7241 fib_mpls_label_t *label_stack = NULL;
7242 vec_validate(label_stack, 7);
7243 for (ii = 0; ii < 8; ii++)
7245 label_stack[ii].fml_value = ii + 200;
7248 fei = fib_table_entry_update_one_path(fib_index,
7251 FIB_ENTRY_FLAG_NONE,
7254 tm->hw[1]->sw_if_index,
7255 ~0, // invalid fib index
7258 FIB_ROUTE_PATH_FLAG_NONE);
7260 FIB_TEST(!fib_test_validate_entry(fei,
7261 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
7263 &ls_eos_o_10_10_10_1),
7264 "2.2.5.5/32 LB 1 buckets via: "
7266 fib_table_entry_delete_index(fei, FIB_SOURCE_API);
7271 fib_table_entry_delete(fib_index,
7275 fei = fib_table_lookup(fib_index, &pfx_2_2_2_2_s_32);
7276 FIB_TEST(!fib_test_validate_entry(fei,
7277 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
7279 &l1600_eos_o_1_1_1_1),
7280 "2.2.2.2/32 LB 1 buckets via: "
7281 "label 1600 via 1.1,1.1");
7283 fib_table_entry_delete(fib_index,
7287 FIB_TEST(!fib_test_validate_entry(fei,
7288 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
7291 "2.2.2.2/32 LB 1 buckets via: DROP");
7293 fib_table_entry_delete(fib_index,
7296 fib_table_entry_delete(fib_index,
7299 fib_table_entry_delete(fib_index,
7303 adj_unlock(ai_mpls_10_10_10_1);
7304 adj_unlock(ai_mpls_10_10_11_2);
7305 adj_unlock(ai_v4_10_10_11_1);
7306 adj_unlock(ai_v4_10_10_11_2);
7307 adj_unlock(ai_mpls_10_10_11_1);
7309 FIB_TEST((0 == adj_nbr_db_size()), "ADJ DB size is %d",
7312 local0_pfx.fp_len = 32;
7313 fib_table_entry_delete(fib_index,
7315 FIB_SOURCE_INTERFACE);
7316 local0_pfx.fp_len = 24;
7317 fib_table_entry_delete(fib_index,
7319 FIB_SOURCE_INTERFACE);
7320 local1_pfx.fp_len = 32;
7321 fib_table_entry_delete(fib_index,
7323 FIB_SOURCE_INTERFACE);
7324 local1_pfx.fp_len = 24;
7325 fib_table_entry_delete(fib_index,
7327 FIB_SOURCE_INTERFACE);
7330 * +1 for the drop LB in the MPLS tables.
7332 FIB_TEST(lb_count+1 == pool_elts(load_balance_pool),
7333 "Load-balance resources freed %d of %d",
7334 lb_count+1, pool_elts(load_balance_pool));
7339 #define N_TEST_CHILDREN 4
7340 #define PARENT_INDEX 0
7342 typedef struct fib_node_test_t_
7347 fib_node_back_walk_ctx_t *ctxs;
7351 static fib_node_test_t fib_test_nodes[N_TEST_CHILDREN+1];
7353 #define PARENT() (&fib_test_nodes[PARENT_INDEX].node)
7355 #define FOR_EACH_TEST_CHILD(_tc) \
7356 for (ii = 1, (_tc) = &fib_test_nodes[1]; \
7357 ii < N_TEST_CHILDREN+1; \
7358 ii++, (_tc) = &fib_test_nodes[ii])
7361 fib_test_child_get_node (fib_node_index_t index)
7363 return (&fib_test_nodes[index].node);
7366 static int fib_test_walk_spawns_walks;
7368 static fib_node_back_walk_rc_t
7369 fib_test_child_back_walk_notify (fib_node_t *node,
7370 fib_node_back_walk_ctx_t *ctx)
7372 fib_node_test_t *tc = (fib_node_test_t*) node;
7374 vec_add1(tc->ctxs, *ctx);
7376 if (1 == fib_test_walk_spawns_walks)
7377 fib_walk_sync(FIB_NODE_TYPE_TEST, tc->index, ctx);
7378 if (2 == fib_test_walk_spawns_walks)
7379 fib_walk_async(FIB_NODE_TYPE_TEST, tc->index,
7380 FIB_WALK_PRIORITY_HIGH, ctx);
7382 return (FIB_NODE_BACK_WALK_CONTINUE);
7386 fib_test_child_last_lock_gone (fib_node_t *node)
7388 fib_node_test_t *tc = (fib_node_test_t *)node;
7394 * The FIB walk's graph node virtual function table
7396 static const fib_node_vft_t fib_test_child_vft = {
7397 .fnv_get = fib_test_child_get_node,
7398 .fnv_last_lock = fib_test_child_last_lock_gone,
7399 .fnv_back_walk = fib_test_child_back_walk_notify,
7403 * the function (that should have been static but isn't so I can do this)
7404 * that processes the walk from the async queue,
7406 f64 fib_walk_process_queues(vlib_main_t * vm,
7408 u32 fib_walk_queue_get_size(fib_walk_priority_t prio);
7411 fib_test_walk (void)
7413 fib_node_back_walk_ctx_t high_ctx = {}, low_ctx = {};
7414 fib_node_test_t *tc;
7419 vm = vlib_get_main();
7420 fib_node_register_type(FIB_NODE_TYPE_TEST, &fib_test_child_vft);
7423 * init a fake node on which we will add children
7425 fib_node_init(&fib_test_nodes[PARENT_INDEX].node,
7426 FIB_NODE_TYPE_TEST);
7428 FOR_EACH_TEST_CHILD(tc)
7430 fib_node_init(&tc->node, FIB_NODE_TYPE_TEST);
7431 fib_node_lock(&tc->node);
7434 tc->sibling = fib_node_child_add(FIB_NODE_TYPE_TEST,
7436 FIB_NODE_TYPE_TEST, ii);
7440 * enqueue a walk across the parents children.
7442 high_ctx.fnbw_reason = FIB_NODE_BW_REASON_FLAG_RESOLVE;
7444 fib_walk_async(FIB_NODE_TYPE_TEST, PARENT_INDEX,
7445 FIB_WALK_PRIORITY_HIGH, &high_ctx);
7446 FIB_TEST(N_TEST_CHILDREN+1 == fib_node_list_get_size(PARENT()->fn_children),
7447 "Parent has %d children pre-walk",
7448 fib_node_list_get_size(PARENT()->fn_children));
7451 * give the walk a large amount of time so it gets to the end
7453 fib_walk_process_queues(vm, 1);
7455 FOR_EACH_TEST_CHILD(tc)
7457 FIB_TEST(1 == vec_len(tc->ctxs),
7458 "%d child visitsed %d times",
7459 ii, vec_len(tc->ctxs));
7462 FIB_TEST(0 == fib_walk_queue_get_size(FIB_WALK_PRIORITY_HIGH),
7463 "Queue is empty post walk");
7464 FIB_TEST(N_TEST_CHILDREN == fib_node_list_get_size(PARENT()->fn_children),
7465 "Parent has %d children post walk",
7466 fib_node_list_get_size(PARENT()->fn_children));
7469 * walk again. should be no increase in the number of visits, since
7470 * the walk will have terminated.
7472 fib_walk_process_queues(vm, 1);
7474 FOR_EACH_TEST_CHILD(tc)
7476 FIB_TEST(0 == vec_len(tc->ctxs),
7477 "%d child visitsed %d times",
7478 ii, vec_len(tc->ctxs));
7482 * schedule a low and hig priority walk. expect the high to be performed
7484 * schedule the high prio walk first so that it is further from the head
7485 * of the dependency list. that way it won't merge with the low one.
7487 high_ctx.fnbw_reason = FIB_NODE_BW_REASON_FLAG_RESOLVE;
7488 low_ctx.fnbw_reason = FIB_NODE_BW_REASON_FLAG_ADJ_UPDATE;
7490 fib_walk_async(FIB_NODE_TYPE_TEST, PARENT_INDEX,
7491 FIB_WALK_PRIORITY_HIGH, &high_ctx);
7492 fib_walk_async(FIB_NODE_TYPE_TEST, PARENT_INDEX,
7493 FIB_WALK_PRIORITY_LOW, &low_ctx);
7495 fib_walk_process_queues(vm, 1);
7497 FOR_EACH_TEST_CHILD(tc)
7499 FIB_TEST(high_ctx.fnbw_reason == tc->ctxs[0].fnbw_reason,
7500 "%d child visitsed by high prio walk", ii);
7501 FIB_TEST(low_ctx.fnbw_reason == tc->ctxs[1].fnbw_reason,
7502 "%d child visitsed by low prio walk", ii);
7505 FIB_TEST(0 == fib_walk_queue_get_size(FIB_WALK_PRIORITY_HIGH),
7506 "Queue is empty post prio walk");
7507 FIB_TEST(N_TEST_CHILDREN == fib_node_list_get_size(PARENT()->fn_children),
7508 "Parent has %d children post prio walk",
7509 fib_node_list_get_size(PARENT()->fn_children));
7512 * schedule 2 walks of the same priority that can be megred.
7513 * expect that each child is thus visited only once.
7515 high_ctx.fnbw_reason = FIB_NODE_BW_REASON_FLAG_RESOLVE;
7516 low_ctx.fnbw_reason = FIB_NODE_BW_REASON_FLAG_RESOLVE;
7518 fib_walk_async(FIB_NODE_TYPE_TEST, PARENT_INDEX,
7519 FIB_WALK_PRIORITY_HIGH, &high_ctx);
7520 fib_walk_async(FIB_NODE_TYPE_TEST, PARENT_INDEX,
7521 FIB_WALK_PRIORITY_HIGH, &low_ctx);
7523 fib_walk_process_queues(vm, 1);
7525 FOR_EACH_TEST_CHILD(tc)
7527 FIB_TEST(1 == vec_len(tc->ctxs),
7528 "%d child visitsed %d times during merge walk",
7529 ii, vec_len(tc->ctxs));
7532 FIB_TEST(0 == fib_walk_queue_get_size(FIB_WALK_PRIORITY_HIGH),
7533 "Queue is empty post merge walk");
7534 FIB_TEST(N_TEST_CHILDREN == fib_node_list_get_size(PARENT()->fn_children),
7535 "Parent has %d children post merge walk",
7536 fib_node_list_get_size(PARENT()->fn_children));
7539 * schedule 2 walks of the same priority that cannot be megred.
7540 * expect that each child is thus visited twice and in the order
7541 * in which the walks were scheduled.
7543 high_ctx.fnbw_reason = FIB_NODE_BW_REASON_FLAG_RESOLVE;
7544 low_ctx.fnbw_reason = FIB_NODE_BW_REASON_FLAG_ADJ_UPDATE;
7546 fib_walk_async(FIB_NODE_TYPE_TEST, PARENT_INDEX,
7547 FIB_WALK_PRIORITY_HIGH, &high_ctx);
7548 fib_walk_async(FIB_NODE_TYPE_TEST, PARENT_INDEX,
7549 FIB_WALK_PRIORITY_HIGH, &low_ctx);
7551 fib_walk_process_queues(vm, 1);
7553 FOR_EACH_TEST_CHILD(tc)
7555 FIB_TEST(high_ctx.fnbw_reason == tc->ctxs[0].fnbw_reason,
7556 "%d child visitsed by high prio walk", ii);
7557 FIB_TEST(low_ctx.fnbw_reason == tc->ctxs[1].fnbw_reason,
7558 "%d child visitsed by low prio walk", ii);
7561 FIB_TEST(0 == fib_walk_queue_get_size(FIB_WALK_PRIORITY_HIGH),
7562 "Queue is empty post no-merge walk");
7563 FIB_TEST(N_TEST_CHILDREN == fib_node_list_get_size(PARENT()->fn_children),
7564 "Parent has %d children post no-merge walk",
7565 fib_node_list_get_size(PARENT()->fn_children));
7568 * schedule a walk that makes one one child progress.
7569 * we do this by giving the queue draining process zero
7570 * time quanta. it's a do..while loop, so it does something.
7572 high_ctx.fnbw_reason = FIB_NODE_BW_REASON_FLAG_RESOLVE;
7574 fib_walk_async(FIB_NODE_TYPE_TEST, PARENT_INDEX,
7575 FIB_WALK_PRIORITY_HIGH, &high_ctx);
7576 fib_walk_process_queues(vm, 0);
7578 FOR_EACH_TEST_CHILD(tc)
7580 if (ii == N_TEST_CHILDREN)
7582 FIB_TEST(1 == vec_len(tc->ctxs),
7583 "%d child visitsed %d times in zero quanta walk",
7584 ii, vec_len(tc->ctxs));
7588 FIB_TEST(0 == vec_len(tc->ctxs),
7589 "%d child visitsed %d times in 0 quanta walk",
7590 ii, vec_len(tc->ctxs));
7593 FIB_TEST(1 == fib_walk_queue_get_size(FIB_WALK_PRIORITY_HIGH),
7594 "Queue is not empty post zero quanta walk");
7595 FIB_TEST(N_TEST_CHILDREN+1 == fib_node_list_get_size(PARENT()->fn_children),
7596 "Parent has %d children post zero qunta walk",
7597 fib_node_list_get_size(PARENT()->fn_children));
7602 fib_walk_process_queues(vm, 0);
7604 FOR_EACH_TEST_CHILD(tc)
7606 if (ii >= N_TEST_CHILDREN-1)
7608 FIB_TEST(1 == vec_len(tc->ctxs),
7609 "%d child visitsed %d times in 2nd zero quanta walk",
7610 ii, vec_len(tc->ctxs));
7614 FIB_TEST(0 == vec_len(tc->ctxs),
7615 "%d child visitsed %d times in 2nd 0 quanta walk",
7616 ii, vec_len(tc->ctxs));
7619 FIB_TEST(1 == fib_walk_queue_get_size(FIB_WALK_PRIORITY_HIGH),
7620 "Queue is not empty post zero quanta walk");
7621 FIB_TEST(N_TEST_CHILDREN+1 == fib_node_list_get_size(PARENT()->fn_children),
7622 "Parent has %d children post zero qunta walk",
7623 fib_node_list_get_size(PARENT()->fn_children));
7626 * schedule another walk that will catch-up and merge.
7628 fib_walk_async(FIB_NODE_TYPE_TEST, PARENT_INDEX,
7629 FIB_WALK_PRIORITY_HIGH, &high_ctx);
7630 fib_walk_process_queues(vm, 1);
7632 FOR_EACH_TEST_CHILD(tc)
7634 if (ii >= N_TEST_CHILDREN-1)
7636 FIB_TEST(2 == vec_len(tc->ctxs),
7637 "%d child visitsed %d times in 2nd zero quanta merge walk",
7638 ii, vec_len(tc->ctxs));
7643 FIB_TEST(1 == vec_len(tc->ctxs),
7644 "%d child visitsed %d times in 2nd 0 quanta merge walk",
7645 ii, vec_len(tc->ctxs));
7649 FIB_TEST(0 == fib_walk_queue_get_size(FIB_WALK_PRIORITY_HIGH),
7650 "Queue is not empty post 2nd zero quanta merge walk");
7651 FIB_TEST(N_TEST_CHILDREN == fib_node_list_get_size(PARENT()->fn_children),
7652 "Parent has %d children post 2nd zero qunta merge walk",
7653 fib_node_list_get_size(PARENT()->fn_children));
7656 * park a async walk in the middle of the list, then have an sync walk catch
7657 * it. same expectations as async catches async.
7659 high_ctx.fnbw_reason = FIB_NODE_BW_REASON_FLAG_RESOLVE;
7661 fib_walk_async(FIB_NODE_TYPE_TEST, PARENT_INDEX,
7662 FIB_WALK_PRIORITY_HIGH, &high_ctx);
7664 fib_walk_process_queues(vm, 0);
7665 fib_walk_process_queues(vm, 0);
7667 fib_walk_sync(FIB_NODE_TYPE_TEST, PARENT_INDEX, &high_ctx);
7669 FOR_EACH_TEST_CHILD(tc)
7671 if (ii >= N_TEST_CHILDREN-1)
7673 FIB_TEST(2 == vec_len(tc->ctxs),
7674 "%d child visitsed %d times in sync catches async walk",
7675 ii, vec_len(tc->ctxs));
7680 FIB_TEST(1 == vec_len(tc->ctxs),
7681 "%d child visitsed %d times in sync catches async walk",
7682 ii, vec_len(tc->ctxs));
7686 FIB_TEST(0 == fib_walk_queue_get_size(FIB_WALK_PRIORITY_HIGH),
7687 "Queue is not empty post 2nd zero quanta merge walk");
7688 FIB_TEST(N_TEST_CHILDREN == fib_node_list_get_size(PARENT()->fn_children),
7689 "Parent has %d children post 2nd zero qunta merge walk",
7690 fib_node_list_get_size(PARENT()->fn_children));
7693 * make the parent a child of one of its children, thus inducing a routing loop.
7695 fib_test_nodes[PARENT_INDEX].sibling =
7696 fib_node_child_add(FIB_NODE_TYPE_TEST,
7697 1, // the first child
7702 * execute a sync walk from the parent. each child visited spawns more sync
7703 * walks. we expect the walk to terminate.
7705 fib_test_walk_spawns_walks = 1;
7707 fib_walk_sync(FIB_NODE_TYPE_TEST, PARENT_INDEX, &high_ctx);
7709 FOR_EACH_TEST_CHILD(tc)
7712 * child 1 - which is last in the list - has the loop.
7713 * the other children a re thus visitsed first. the we meet
7714 * child 1. we go round the loop again, visting the other children.
7715 * then we meet the walk in the dep list and bail. child 1 is not visitsed
7720 FIB_TEST(1 == vec_len(tc->ctxs),
7721 "child %d visitsed %d times during looped sync walk",
7722 ii, vec_len(tc->ctxs));
7726 FIB_TEST(2 == vec_len(tc->ctxs),
7727 "child %d visitsed %d times during looped sync walk",
7728 ii, vec_len(tc->ctxs));
7732 FIB_TEST(N_TEST_CHILDREN == fib_node_list_get_size(PARENT()->fn_children),
7733 "Parent has %d children post sync loop walk",
7734 fib_node_list_get_size(PARENT()->fn_children));
7737 * the walk doesn't reach the max depth because the infra knows that sync
7738 * meets sync implies a loop and bails early.
7740 FIB_TEST(high_ctx.fnbw_depth == 9,
7741 "Walk context depth %d post sync loop walk",
7742 high_ctx.fnbw_depth);
7745 * execute an async walk of the graph loop, with each child spawns sync walks
7747 high_ctx.fnbw_depth = 0;
7748 fib_walk_async(FIB_NODE_TYPE_TEST, PARENT_INDEX,
7749 FIB_WALK_PRIORITY_HIGH, &high_ctx);
7751 fib_walk_process_queues(vm, 1);
7753 FOR_EACH_TEST_CHILD(tc)
7756 * we don't really care how many times the children are visisted, as long as
7757 * it is more than once.
7759 FIB_TEST(1 <= vec_len(tc->ctxs),
7760 "child %d visitsed %d times during looped aync spawns sync walk",
7761 ii, vec_len(tc->ctxs));
7766 * execute an async walk of the graph loop, with each child spawns async walks
7768 fib_test_walk_spawns_walks = 2;
7769 high_ctx.fnbw_depth = 0;
7770 fib_walk_async(FIB_NODE_TYPE_TEST, PARENT_INDEX,
7771 FIB_WALK_PRIORITY_HIGH, &high_ctx);
7773 fib_walk_process_queues(vm, 1);
7775 FOR_EACH_TEST_CHILD(tc)
7778 * we don't really care how many times the children are visisted, as long as
7779 * it is more than once.
7781 FIB_TEST(1 <= vec_len(tc->ctxs),
7782 "child %d visitsed %d times during looped async spawns async walk",
7783 ii, vec_len(tc->ctxs));
7788 fib_node_child_remove(FIB_NODE_TYPE_TEST,
7789 1, // the first child
7790 fib_test_nodes[PARENT_INDEX].sibling);
7795 FOR_EACH_TEST_CHILD(tc)
7797 fib_node_child_remove(FIB_NODE_TYPE_TEST, PARENT_INDEX,
7799 fib_node_deinit(&tc->node);
7800 fib_node_unlock(&tc->node);
7802 fib_node_deinit(PARENT());
7805 * The parent will be destroyed when the last lock on it goes.
7806 * this test ensures all the walk objects are unlocking it.
7808 FIB_TEST((1 == fib_test_nodes[PARENT_INDEX].destroyed),
7809 "Parent was destroyed");
7815 * declaration of the otherwise static callback functions
7817 void fib_bfd_notify (bfd_listen_event_e event,
7818 const bfd_session_t *session);
7819 void adj_bfd_notify (bfd_listen_event_e event,
7820 const bfd_session_t *session);
7823 * Test BFD session interaction with FIB
7828 fib_node_index_t fei;
7833 /* via 10.10.10.1 */
7834 ip46_address_t nh_10_10_10_1 = {
7835 .ip4.as_u32 = clib_host_to_net_u32(0x0a0a0a01),
7837 /* via 10.10.10.2 */
7838 ip46_address_t nh_10_10_10_2 = {
7839 .ip4.as_u32 = clib_host_to_net_u32(0x0a0a0a02),
7841 /* via 10.10.10.10 */
7842 ip46_address_t nh_10_10_10_10 = {
7843 .ip4.as_u32 = clib_host_to_net_u32(0x0a0a0a0a),
7845 n_feis = fib_entry_pool_size();
7850 * add interface routes. we'll assume this works. it's tested elsewhere
7852 fib_prefix_t pfx_10_10_10_10_s_24 = {
7854 .fp_proto = FIB_PROTOCOL_IP4,
7855 .fp_addr = nh_10_10_10_10,
7858 fib_table_entry_update_one_path(0, &pfx_10_10_10_10_s_24,
7859 FIB_SOURCE_INTERFACE,
7860 (FIB_ENTRY_FLAG_CONNECTED |
7861 FIB_ENTRY_FLAG_ATTACHED),
7864 tm->hw[0]->sw_if_index,
7865 ~0, // invalid fib index
7868 FIB_ROUTE_PATH_FLAG_NONE);
7870 fib_prefix_t pfx_10_10_10_10_s_32 = {
7872 .fp_proto = FIB_PROTOCOL_IP4,
7873 .fp_addr = nh_10_10_10_10,
7875 fib_table_entry_update_one_path(0, &pfx_10_10_10_10_s_32,
7876 FIB_SOURCE_INTERFACE,
7877 (FIB_ENTRY_FLAG_CONNECTED |
7878 FIB_ENTRY_FLAG_LOCAL),
7881 tm->hw[0]->sw_if_index,
7882 ~0, // invalid fib index
7885 FIB_ROUTE_PATH_FLAG_NONE);
7888 * A BFD session via a neighbour we do not yet know
7890 bfd_session_t bfd_10_10_10_1 = {
7894 .peer_addr = nh_10_10_10_1,
7897 .hop_type = BFD_HOP_TYPE_MULTI,
7898 .local_state = BFD_STATE_init,
7901 fib_bfd_notify (BFD_LISTEN_EVENT_CREATE, &bfd_10_10_10_1);
7904 * A new entry will be created that forwards via the adj
7906 adj_index_t ai_10_10_10_1 = adj_nbr_add_or_lock(FIB_PROTOCOL_IP4,
7909 tm->hw[0]->sw_if_index);
7910 fib_prefix_t pfx_10_10_10_1_s_32 = {
7911 .fp_addr = nh_10_10_10_1,
7913 .fp_proto = FIB_PROTOCOL_IP4,
7915 fib_test_lb_bucket_t adj_o_10_10_10_1 = {
7918 .adj = ai_10_10_10_1,
7922 fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_1_s_32);
7923 FIB_TEST(!fib_test_validate_entry(fei,
7924 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
7927 "BFD sourced %U via %U",
7928 format_fib_prefix, &pfx_10_10_10_1_s_32,
7929 format_ip_adjacency, ai_10_10_10_1, FORMAT_IP_ADJACENCY_NONE);
7932 * Delete the BFD session. Expect the fib_entry to be removed
7934 fib_bfd_notify (BFD_LISTEN_EVENT_DELETE, &bfd_10_10_10_1);
7936 fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_1_s_32);
7937 FIB_TEST(FIB_NODE_INDEX_INVALID == fei,
7938 "BFD sourced %U removed",
7939 format_fib_prefix, &pfx_10_10_10_1_s_32);
7942 * Add the BFD source back
7944 fib_bfd_notify (BFD_LISTEN_EVENT_CREATE, &bfd_10_10_10_1);
7947 * source the entry via the ADJ fib
7949 fei = fib_table_entry_path_add(0,
7950 &pfx_10_10_10_1_s_32,
7952 FIB_ENTRY_FLAG_ATTACHED,
7955 tm->hw[0]->sw_if_index,
7956 ~0, // invalid fib index
7959 FIB_ROUTE_PATH_FLAG_NONE);
7962 * Delete the BFD session. Expect the fib_entry to remain
7964 fib_bfd_notify (BFD_LISTEN_EVENT_DELETE, &bfd_10_10_10_1);
7966 fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_1_s_32);
7967 FIB_TEST(!fib_test_validate_entry(fei,
7968 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
7971 "BFD sourced %U remains via %U",
7972 format_fib_prefix, &pfx_10_10_10_1_s_32,
7973 format_ip_adjacency, ai_10_10_10_1, FORMAT_IP_ADJACENCY_NONE);
7976 * Add the BFD source back
7978 fib_bfd_notify (BFD_LISTEN_EVENT_CREATE, &bfd_10_10_10_1);
7981 * Create another ADJ FIB
7983 fib_prefix_t pfx_10_10_10_2_s_32 = {
7984 .fp_addr = nh_10_10_10_2,
7986 .fp_proto = FIB_PROTOCOL_IP4,
7988 fib_table_entry_path_add(0,
7989 &pfx_10_10_10_2_s_32,
7991 FIB_ENTRY_FLAG_ATTACHED,
7994 tm->hw[0]->sw_if_index,
7995 ~0, // invalid fib index
7998 FIB_ROUTE_PATH_FLAG_NONE);
8000 * A BFD session for the new ADJ FIB
8002 bfd_session_t bfd_10_10_10_2 = {
8006 .peer_addr = nh_10_10_10_2,
8009 .hop_type = BFD_HOP_TYPE_MULTI,
8010 .local_state = BFD_STATE_init,
8013 fib_bfd_notify (BFD_LISTEN_EVENT_CREATE, &bfd_10_10_10_2);
8016 * remove the adj-fib source whilst the session is present
8019 fib_table_entry_delete(0, &pfx_10_10_10_2_s_32, FIB_SOURCE_ADJ);
8020 fib_table_entry_path_add(0,
8021 &pfx_10_10_10_2_s_32,
8023 FIB_ENTRY_FLAG_ATTACHED,
8026 tm->hw[0]->sw_if_index,
8027 ~0, // invalid fib index
8030 FIB_ROUTE_PATH_FLAG_NONE);
8033 * Before adding a recursive via the BFD tracked ADJ-FIBs,
8034 * bring one of the sessions UP, leave the other down
8036 bfd_10_10_10_1.local_state = BFD_STATE_up;
8037 fib_bfd_notify (BFD_LISTEN_EVENT_UPDATE, &bfd_10_10_10_1);
8038 bfd_10_10_10_2.local_state = BFD_STATE_down;
8039 fib_bfd_notify (BFD_LISTEN_EVENT_UPDATE, &bfd_10_10_10_2);
8042 * A recursive prefix via both of the ADJ FIBs
8044 fib_prefix_t pfx_200_0_0_0_s_24 = {
8045 .fp_proto = FIB_PROTOCOL_IP4,
8048 .ip4.as_u32 = clib_host_to_net_u32(0xc8000000),
8051 const dpo_id_t *dpo_10_10_10_1, *dpo_10_10_10_2;
8054 fib_entry_contribute_ip_forwarding(
8055 fib_table_lookup_exact_match(0, &pfx_10_10_10_1_s_32));
8057 fib_entry_contribute_ip_forwarding(
8058 fib_table_lookup_exact_match(0, &pfx_10_10_10_2_s_32));
8060 fib_test_lb_bucket_t lb_o_10_10_10_1 = {
8063 .lb = dpo_10_10_10_1->dpoi_index,
8066 fib_test_lb_bucket_t lb_o_10_10_10_2 = {
8069 .lb = dpo_10_10_10_2->dpoi_index,
8074 * A prefix via the adj-fib that is BFD down => DROP
8076 fei = fib_table_entry_path_add(0,
8077 &pfx_200_0_0_0_s_24,
8079 FIB_ENTRY_FLAG_NONE,
8083 0, // default fib index
8086 FIB_ROUTE_PATH_FLAG_NONE);
8087 FIB_TEST(load_balance_is_drop(fib_entry_contribute_ip_forwarding(fei)),
8088 "%U resolves via drop",
8089 format_fib_prefix, &pfx_200_0_0_0_s_24);
8092 * add a path via the UP BFD adj-fib.
8093 * we expect that the DOWN BFD ADJ FIB is not used.
8095 fei = fib_table_entry_path_add(0,
8096 &pfx_200_0_0_0_s_24,
8098 FIB_ENTRY_FLAG_NONE,
8102 0, // default fib index
8105 FIB_ROUTE_PATH_FLAG_NONE);
8107 FIB_TEST(!fib_test_validate_entry(fei,
8108 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
8111 "Recursive %U only UP BFD adj-fibs",
8112 format_fib_prefix, &pfx_200_0_0_0_s_24);
8115 * Send a BFD state change to UP - both sessions are now up
8116 * the recursive prefix should LB over both
8118 bfd_10_10_10_2.local_state = BFD_STATE_up;
8119 fib_bfd_notify (BFD_LISTEN_EVENT_UPDATE, &bfd_10_10_10_2);
8122 FIB_TEST(!fib_test_validate_entry(fei,
8123 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
8127 "Recursive %U via both UP BFD adj-fibs",
8128 format_fib_prefix, &pfx_200_0_0_0_s_24);
8131 * Send a BFD state change to DOWN
8132 * the recursive prefix should exclude the down
8134 bfd_10_10_10_2.local_state = BFD_STATE_down;
8135 fib_bfd_notify (BFD_LISTEN_EVENT_UPDATE, &bfd_10_10_10_2);
8138 FIB_TEST(!fib_test_validate_entry(fei,
8139 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
8142 "Recursive %U via only UP",
8143 format_fib_prefix, &pfx_200_0_0_0_s_24);
8146 * Delete the BFD session while it is in the DOWN state.
8147 * FIB should consider the entry's state as back up
8149 fib_bfd_notify (BFD_LISTEN_EVENT_DELETE, &bfd_10_10_10_2);
8151 FIB_TEST(!fib_test_validate_entry(fei,
8152 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
8156 "Recursive %U via both UP BFD adj-fibs post down session delete",
8157 format_fib_prefix, &pfx_200_0_0_0_s_24);
8160 * Delete the BFD other session while it is in the UP state.
8162 fib_bfd_notify (BFD_LISTEN_EVENT_DELETE, &bfd_10_10_10_1);
8164 FIB_TEST(!fib_test_validate_entry(fei,
8165 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
8169 "Recursive %U via both UP BFD adj-fibs post up session delete",
8170 format_fib_prefix, &pfx_200_0_0_0_s_24);
8175 fib_table_entry_delete(0, &pfx_200_0_0_0_s_24, FIB_SOURCE_API);
8176 fib_table_entry_delete(0, &pfx_10_10_10_1_s_32, FIB_SOURCE_ADJ);
8177 fib_table_entry_delete(0, &pfx_10_10_10_2_s_32, FIB_SOURCE_ADJ);
8179 fib_table_entry_delete(0, &pfx_10_10_10_10_s_32, FIB_SOURCE_INTERFACE);
8180 fib_table_entry_delete(0, &pfx_10_10_10_10_s_24, FIB_SOURCE_INTERFACE);
8182 adj_unlock(ai_10_10_10_1);
8184 * test no-one left behind
8186 FIB_TEST((n_feis == fib_entry_pool_size()), "Entries gone");
8187 FIB_TEST(0 == adj_nbr_db_size(), "All adjacencies removed");
8190 * Single-hop BFD tests
8192 bfd_10_10_10_1.hop_type = BFD_HOP_TYPE_SINGLE;
8193 bfd_10_10_10_1.udp.key.sw_if_index = tm->hw[0]->sw_if_index;
8195 adj_bfd_notify(BFD_LISTEN_EVENT_CREATE, &bfd_10_10_10_1);
8197 ai_10_10_10_1 = adj_nbr_add_or_lock(FIB_PROTOCOL_IP4,
8200 tm->hw[0]->sw_if_index);
8202 * whilst the BFD session is not signalled, the adj is up
8204 FIB_TEST(!adj_is_up(ai_10_10_10_1), "Adj state down on uninit session");
8207 * bring the BFD session up
8209 bfd_10_10_10_1.local_state = BFD_STATE_up;
8210 adj_bfd_notify(BFD_LISTEN_EVENT_UPDATE, &bfd_10_10_10_1);
8211 FIB_TEST(adj_is_up(ai_10_10_10_1), "Adj state up on UP session");
8214 * bring the BFD session down
8216 bfd_10_10_10_1.local_state = BFD_STATE_down;
8217 adj_bfd_notify(BFD_LISTEN_EVENT_UPDATE, &bfd_10_10_10_1);
8218 FIB_TEST(!adj_is_up(ai_10_10_10_1), "Adj state down on DOWN session");
8221 * add an attached next hop FIB entry via the down adj
8223 fib_prefix_t pfx_5_5_5_5_s_32 = {
8226 .as_u32 = clib_host_to_net_u32(0x05050505),
8230 .fp_proto = FIB_PROTOCOL_IP4,
8233 fei = fib_table_entry_path_add(0,
8236 FIB_ENTRY_FLAG_NONE,
8239 tm->hw[0]->sw_if_index,
8240 ~0, // invalid fib index
8243 FIB_ROUTE_PATH_FLAG_NONE);
8244 FIB_TEST(load_balance_is_drop(fib_entry_contribute_ip_forwarding(fei)),
8245 "%U resolves via drop",
8246 format_fib_prefix, &pfx_5_5_5_5_s_32);
8249 * Add a path via an ADJ that is up
8251 adj_index_t ai_10_10_10_2 = adj_nbr_add_or_lock(FIB_PROTOCOL_IP4,
8254 tm->hw[0]->sw_if_index);
8256 fib_test_lb_bucket_t adj_o_10_10_10_2 = {
8259 .adj = ai_10_10_10_2,
8262 adj_o_10_10_10_1.adj.adj = ai_10_10_10_1;
8264 fei = fib_table_entry_path_add(0,
8267 FIB_ENTRY_FLAG_NONE,
8270 tm->hw[0]->sw_if_index,
8271 ~0, // invalid fib index
8274 FIB_ROUTE_PATH_FLAG_NONE);
8276 FIB_TEST(!fib_test_validate_entry(fei,
8277 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
8280 "BFD sourced %U via %U",
8281 format_fib_prefix, &pfx_5_5_5_5_s_32,
8282 format_ip_adjacency, ai_10_10_10_2, FORMAT_IP_ADJACENCY_NONE);
8285 * Bring up the down session - should now LB
8287 bfd_10_10_10_1.local_state = BFD_STATE_up;
8288 adj_bfd_notify(BFD_LISTEN_EVENT_UPDATE, &bfd_10_10_10_1);
8289 FIB_TEST(!fib_test_validate_entry(fei,
8290 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
8294 "BFD sourced %U via noth adjs",
8295 format_fib_prefix, &pfx_5_5_5_5_s_32);
8298 * remove the BFD session state from the adj
8300 adj_bfd_notify(BFD_LISTEN_EVENT_DELETE, &bfd_10_10_10_1);
8305 fib_table_entry_delete(0, &pfx_5_5_5_5_s_32, FIB_SOURCE_CLI);
8306 adj_unlock(ai_10_10_10_1);
8307 adj_unlock(ai_10_10_10_2);
8310 * test no-one left behind
8312 FIB_TEST((n_feis == fib_entry_pool_size()), "Entries gone");
8313 FIB_TEST(0 == adj_nbr_db_size(), "All adjacencies removed");
8321 const mpls_label_t deag_label = 50;
8322 adj_index_t ai_mpls_10_10_10_1;
8323 dpo_id_t dpo = DPO_INVALID;
8324 const u32 lfib_index = 0;
8325 const u32 fib_index = 0;
8326 const dpo_id_t *dpo1;
8327 fib_node_index_t lfe;
8334 lb_count = pool_elts(load_balance_pool);
8336 FIB_TEST((0 == adj_nbr_db_size()), "ADJ DB size is %d",
8340 * MPLS enable an interface so we get the MPLS table created
8342 mpls_table_create(MPLS_FIB_DEFAULT_TABLE_ID, FIB_SOURCE_API, NULL);
8343 mpls_sw_interface_enable_disable(&mpls_main,
8344 tm->hw[0]->sw_if_index,
8347 ip46_address_t nh_10_10_10_1 = {
8348 .ip4.as_u32 = clib_host_to_net_u32(0x0a0a0a01),
8350 ai_mpls_10_10_10_1 = adj_nbr_add_or_lock(FIB_PROTOCOL_IP4,
8353 tm->hw[0]->sw_if_index);
8356 * Test the specials stack properly.
8358 fib_prefix_t exp_null_v6_pfx = {
8359 .fp_proto = FIB_PROTOCOL_MPLS,
8361 .fp_label = MPLS_IETF_IPV6_EXPLICIT_NULL_LABEL,
8362 .fp_payload_proto = DPO_PROTO_IP6,
8364 lfe = fib_table_lookup(lfib_index, &exp_null_v6_pfx);
8365 FIB_TEST((FIB_NODE_INDEX_INVALID != lfe),
8367 format_mpls_unicast_label, MPLS_IETF_IPV6_EXPLICIT_NULL_LABEL,
8368 format_mpls_eos_bit, MPLS_EOS);
8369 fib_entry_contribute_forwarding(lfe,
8370 FIB_FORW_CHAIN_TYPE_MPLS_EOS,
8372 dpo1 = load_balance_get_bucket(dpo.dpoi_index, 0);
8373 lkd = lookup_dpo_get(dpo1->dpoi_index);
8375 FIB_TEST((fib_index == lkd->lkd_fib_index),
8376 "%U/%U is deag in %d %U",
8377 format_mpls_unicast_label, deag_label,
8378 format_mpls_eos_bit, MPLS_EOS,
8380 format_dpo_id, &dpo, 0);
8381 FIB_TEST((LOOKUP_INPUT_DST_ADDR == lkd->lkd_input),
8382 "%U/%U is dst deag",
8383 format_mpls_unicast_label, deag_label,
8384 format_mpls_eos_bit, MPLS_EOS);
8385 FIB_TEST((LOOKUP_TABLE_FROM_INPUT_INTERFACE == lkd->lkd_table),
8386 "%U/%U is lookup in interface's table",
8387 format_mpls_unicast_label, deag_label,
8388 format_mpls_eos_bit, MPLS_EOS);
8389 FIB_TEST((DPO_PROTO_IP6 == lkd->lkd_proto),
8390 "%U/%U is %U dst deag",
8391 format_mpls_unicast_label, deag_label,
8392 format_mpls_eos_bit, MPLS_EOS,
8393 format_dpo_proto, lkd->lkd_proto);
8396 * A route deag route for EOS
8398 fib_prefix_t pfx = {
8399 .fp_proto = FIB_PROTOCOL_MPLS,
8401 .fp_label = deag_label,
8402 .fp_payload_proto = DPO_PROTO_IP4,
8404 mpls_disp_dpo_t *mdd;
8405 lfe = fib_table_entry_path_add(lfib_index,
8408 FIB_ENTRY_FLAG_NONE,
8415 FIB_ROUTE_PATH_FLAG_NONE);
8417 FIB_TEST((lfe == fib_table_lookup(lfib_index, &pfx)),
8419 format_mpls_unicast_label, deag_label,
8420 format_mpls_eos_bit, MPLS_EOS);
8422 fib_entry_contribute_forwarding(lfe,
8423 FIB_FORW_CHAIN_TYPE_MPLS_EOS,
8425 dpo1 = load_balance_get_bucket(dpo.dpoi_index, 0);
8426 mdd = mpls_disp_dpo_get(dpo1->dpoi_index);
8428 FIB_TEST((FIB_MPLS_LSP_MODE_PIPE == mdd->mdd_mode),
8429 "%U/%U disp is pipe mode",
8430 format_mpls_unicast_label, deag_label,
8431 format_mpls_eos_bit, MPLS_EOS);
8433 lkd = lookup_dpo_get(mdd->mdd_dpo.dpoi_index);
8435 FIB_TEST((fib_index == lkd->lkd_fib_index),
8436 "%U/%U is deag in %d %U",
8437 format_mpls_unicast_label, deag_label,
8438 format_mpls_eos_bit, MPLS_EOS,
8440 format_dpo_id, &dpo, 0);
8441 FIB_TEST((LOOKUP_INPUT_DST_ADDR == lkd->lkd_input),
8442 "%U/%U is dst deag",
8443 format_mpls_unicast_label, deag_label,
8444 format_mpls_eos_bit, MPLS_EOS);
8445 FIB_TEST((DPO_PROTO_IP4 == lkd->lkd_proto),
8446 "%U/%U is %U dst deag",
8447 format_mpls_unicast_label, deag_label,
8448 format_mpls_eos_bit, MPLS_EOS,
8449 format_dpo_proto, lkd->lkd_proto);
8451 fib_table_entry_delete_index(lfe, FIB_SOURCE_CLI);
8453 FIB_TEST((FIB_NODE_INDEX_INVALID == fib_table_lookup(lfib_index,
8455 "%U/%U not present",
8456 format_mpls_unicast_label, deag_label,
8457 format_mpls_eos_bit, MPLS_EOS);
8461 * A route deag route for EOS with LSP mode uniform
8463 fib_mpls_label_t *l_pops = NULL, l_pop = {
8464 .fml_value = MPLS_LABEL_POP,
8465 .fml_mode = FIB_MPLS_LSP_MODE_UNIFORM,
8467 vec_add1(l_pops, l_pop);
8468 lfe = fib_table_entry_path_add(lfib_index,
8471 FIB_ENTRY_FLAG_NONE,
8478 FIB_ROUTE_PATH_FLAG_NONE);
8480 FIB_TEST((lfe == fib_table_lookup(lfib_index, &pfx)),
8482 format_mpls_unicast_label, deag_label,
8483 format_mpls_eos_bit, MPLS_EOS);
8485 fib_entry_contribute_forwarding(lfe,
8486 FIB_FORW_CHAIN_TYPE_MPLS_EOS,
8488 dpo1 = load_balance_get_bucket(dpo.dpoi_index, 0);
8489 mdd = mpls_disp_dpo_get(dpo1->dpoi_index);
8491 FIB_TEST((FIB_MPLS_LSP_MODE_UNIFORM == mdd->mdd_mode),
8492 "%U/%U disp is uniform mode",
8493 format_mpls_unicast_label, deag_label,
8494 format_mpls_eos_bit, MPLS_EOS);
8496 lkd = lookup_dpo_get(mdd->mdd_dpo.dpoi_index);
8498 FIB_TEST((fib_index == lkd->lkd_fib_index),
8499 "%U/%U is deag in %d %U",
8500 format_mpls_unicast_label, deag_label,
8501 format_mpls_eos_bit, MPLS_EOS,
8503 format_dpo_id, &dpo, 0);
8504 FIB_TEST((LOOKUP_INPUT_DST_ADDR == lkd->lkd_input),
8505 "%U/%U is dst deag",
8506 format_mpls_unicast_label, deag_label,
8507 format_mpls_eos_bit, MPLS_EOS);
8508 FIB_TEST((DPO_PROTO_IP4 == lkd->lkd_proto),
8509 "%U/%U is %U dst deag",
8510 format_mpls_unicast_label, deag_label,
8511 format_mpls_eos_bit, MPLS_EOS,
8512 format_dpo_proto, lkd->lkd_proto);
8514 fib_table_entry_delete_index(lfe, FIB_SOURCE_CLI);
8516 FIB_TEST((FIB_NODE_INDEX_INVALID == fib_table_lookup(lfib_index,
8518 "%U/%U not present",
8519 format_mpls_unicast_label, deag_label,
8520 format_mpls_eos_bit, MPLS_EOS);
8524 * A route deag route for non-EOS
8526 pfx.fp_eos = MPLS_NON_EOS;
8527 lfe = fib_table_entry_path_add(lfib_index,
8530 FIB_ENTRY_FLAG_NONE,
8537 FIB_ROUTE_PATH_FLAG_NONE);
8539 FIB_TEST((lfe == fib_table_lookup(lfib_index, &pfx)),
8541 format_mpls_unicast_label, deag_label,
8542 format_mpls_eos_bit, MPLS_NON_EOS);
8544 fib_entry_contribute_forwarding(lfe,
8545 FIB_FORW_CHAIN_TYPE_MPLS_NON_EOS,
8547 dpo1 = load_balance_get_bucket(dpo.dpoi_index, 0);
8548 lkd = lookup_dpo_get(dpo1->dpoi_index);
8550 FIB_TEST((fib_index == lkd->lkd_fib_index),
8551 "%U/%U is deag in %d %U",
8552 format_mpls_unicast_label, deag_label,
8553 format_mpls_eos_bit, MPLS_NON_EOS,
8555 format_dpo_id, &dpo, 0);
8556 FIB_TEST((LOOKUP_INPUT_DST_ADDR == lkd->lkd_input),
8557 "%U/%U is dst deag",
8558 format_mpls_unicast_label, deag_label,
8559 format_mpls_eos_bit, MPLS_NON_EOS);
8561 FIB_TEST((DPO_PROTO_MPLS == lkd->lkd_proto),
8562 "%U/%U is %U dst deag",
8563 format_mpls_unicast_label, deag_label,
8564 format_mpls_eos_bit, MPLS_NON_EOS,
8565 format_dpo_proto, lkd->lkd_proto);
8567 fib_table_entry_delete_index(lfe, FIB_SOURCE_CLI);
8569 FIB_TEST((FIB_NODE_INDEX_INVALID == fib_table_lookup(lfib_index,
8571 "%U/%U not present",
8572 format_mpls_unicast_label, deag_label,
8573 format_mpls_eos_bit, MPLS_EOS);
8580 fib_prefix_t pfx_1200 = {
8582 .fp_proto = FIB_PROTOCOL_MPLS,
8584 .fp_eos = MPLS_NON_EOS,
8586 fib_test_lb_bucket_t neos_o_10_10_10_1 = {
8587 .type = FT_LB_LABEL_STACK_O_ADJ,
8588 .label_stack_o_adj = {
8589 .adj = ai_mpls_10_10_10_1,
8590 .label_stack_size = 4,
8594 .eos = MPLS_NON_EOS,
8597 dpo_id_t neos_1200 = DPO_INVALID;
8598 dpo_id_t ip_1200 = DPO_INVALID;
8599 fib_mpls_label_t *l200 = NULL;
8601 for (ii = 0; ii < 4; ii++)
8603 fib_mpls_label_t fml = {
8604 .fml_value = 200 + (ii * 100),
8606 vec_add1(l200, fml);
8609 lfe = fib_table_entry_update_one_path(fib_index,
8612 FIB_ENTRY_FLAG_NONE,
8615 tm->hw[0]->sw_if_index,
8616 ~0, // invalid fib index
8619 FIB_ROUTE_PATH_FLAG_NONE);
8621 FIB_TEST(!fib_test_validate_entry(lfe,
8622 FIB_FORW_CHAIN_TYPE_MPLS_NON_EOS,
8624 &neos_o_10_10_10_1),
8625 "1200/0 LB 1 buckets via: "
8629 * A recursive route via the MPLS x-connect
8631 fib_prefix_t pfx_2_2_2_3_s_32 = {
8633 .fp_proto = FIB_PROTOCOL_IP4,
8635 .ip4.as_u32 = clib_host_to_net_u32(0x02020203),
8638 fib_route_path_t *rpaths = NULL, rpath = {
8639 .frp_proto = DPO_PROTO_MPLS,
8640 .frp_local_label = 1200,
8641 .frp_eos = MPLS_NON_EOS,
8642 .frp_sw_if_index = ~0, // recurive
8643 .frp_fib_index = 0, // Default MPLS fib
8645 .frp_flags = FIB_ROUTE_PATH_FLAG_NONE,
8646 .frp_label_stack = NULL,
8648 vec_add1(rpaths, rpath);
8650 fib_table_entry_path_add2(fib_index,
8653 FIB_ENTRY_FLAG_NONE,
8657 * A labelled recursive route via the MPLS x-connect
8659 fib_prefix_t pfx_2_2_2_4_s_32 = {
8661 .fp_proto = FIB_PROTOCOL_IP4,
8663 .ip4.as_u32 = clib_host_to_net_u32(0x02020204),
8666 fib_mpls_label_t *l999 = NULL, fml_999 = {
8669 vec_add1(l999, fml_999);
8670 rpaths[0].frp_label_stack = l999,
8672 fib_table_entry_path_add2(fib_index,
8675 FIB_ENTRY_FLAG_NONE,
8678 fib_entry_contribute_forwarding(fib_table_lookup(fib_index, &pfx_1200),
8679 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
8681 fib_entry_contribute_forwarding(fib_table_lookup(fib_index, &pfx_1200),
8682 FIB_FORW_CHAIN_TYPE_MPLS_NON_EOS,
8685 fib_test_lb_bucket_t ip_o_1200 = {
8688 .lb = ip_1200.dpoi_index,
8691 fib_test_lb_bucket_t mpls_o_1200 = {
8692 .type = FT_LB_LABEL_O_LB,
8694 .lb = neos_1200.dpoi_index,
8700 lfe = fib_table_lookup(fib_index, &pfx_2_2_2_3_s_32);
8701 FIB_TEST(!fib_test_validate_entry(lfe,
8702 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
8705 "2.2.2.2.3/32 LB 1 buckets via: label 1200 EOS");
8706 lfe = fib_table_lookup(fib_index, &pfx_2_2_2_4_s_32);
8707 FIB_TEST(!fib_test_validate_entry(lfe,
8708 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
8711 "2.2.2.2.4/32 LB 1 buckets via: label 1200 non-EOS");
8713 fib_table_entry_delete(fib_index, &pfx_1200, FIB_SOURCE_API);
8714 fib_table_entry_delete(fib_index, &pfx_2_2_2_3_s_32, FIB_SOURCE_API);
8715 fib_table_entry_delete(fib_index, &pfx_2_2_2_4_s_32, FIB_SOURCE_API);
8717 dpo_reset(&neos_1200);
8718 dpo_reset(&ip_1200);
8721 * A recursive via a label that does not exist
8723 fib_test_lb_bucket_t bucket_drop = {
8726 .adj = DPO_PROTO_IP4,
8729 fib_test_lb_bucket_t mpls_bucket_drop = {
8732 .adj = DPO_PROTO_MPLS,
8736 rpaths[0].frp_label_stack = NULL;
8737 lfe = fib_table_entry_path_add2(fib_index,
8740 FIB_ENTRY_FLAG_NONE,
8743 fib_entry_contribute_forwarding(fib_table_lookup(fib_index, &pfx_1200),
8744 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
8746 ip_o_1200.lb.lb = ip_1200.dpoi_index;
8748 FIB_TEST(!fib_test_validate_entry(lfe,
8749 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
8752 "2.2.2.2.4/32 LB 1 buckets via: drop");
8753 lfe = fib_table_lookup(fib_index, &pfx_1200);
8754 FIB_TEST(!fib_test_validate_entry(lfe,
8755 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
8758 "1200/neos LB 1 buckets via: ip4-DROP");
8759 FIB_TEST(!fib_test_validate_entry(lfe,
8760 FIB_FORW_CHAIN_TYPE_MPLS_NON_EOS,
8763 "1200/neos LB 1 buckets via: mpls-DROP");
8765 fib_table_entry_delete(fib_index, &pfx_2_2_2_4_s_32, FIB_SOURCE_API);
8767 dpo_reset(&ip_1200);
8770 * An rx-interface route.
8771 * like the tail of an mcast LSP
8773 dpo_id_t idpo = DPO_INVALID;
8775 interface_rx_dpo_add_or_lock(DPO_PROTO_IP4,
8776 tm->hw[0]->sw_if_index,
8779 fib_prefix_t pfx_2500 = {
8781 .fp_proto = FIB_PROTOCOL_MPLS,
8784 .fp_payload_proto = DPO_PROTO_IP4,
8786 fib_test_lb_bucket_t rx_intf_0 = {
8789 .adj = idpo.dpoi_index,
8793 lfe = fib_table_entry_update_one_path(fib_index,
8796 FIB_ENTRY_FLAG_NONE,
8799 tm->hw[0]->sw_if_index,
8800 ~0, // invalid fib index
8803 FIB_ROUTE_PATH_INTF_RX);
8804 FIB_TEST(!fib_test_validate_entry(lfe,
8805 FIB_FORW_CHAIN_TYPE_MPLS_EOS,
8808 "2500 rx-interface 0");
8809 fib_table_entry_delete(fib_index, &pfx_2500, FIB_SOURCE_API);
8812 * An MPLS mulicast entry
8814 fib_prefix_t pfx_3500 = {
8816 .fp_proto = FIB_PROTOCOL_MPLS,
8819 .fp_payload_proto = DPO_PROTO_IP4,
8821 fib_test_rep_bucket_t mc_0 = {
8822 .type = FT_REP_LABEL_O_ADJ,
8824 .adj = ai_mpls_10_10_10_1,
8829 fib_test_rep_bucket_t mc_intf_0 = {
8830 .type = FT_REP_INTF,
8832 .adj = idpo.dpoi_index,
8835 fib_mpls_label_t *l3300 = NULL, fml_3300 = {
8838 vec_add1(l3300, fml_3300);
8840 lfe = fib_table_entry_update_one_path(lfib_index,
8843 FIB_ENTRY_FLAG_MULTICAST,
8846 tm->hw[0]->sw_if_index,
8847 ~0, // invalid fib index
8850 FIB_ROUTE_PATH_FLAG_NONE);
8851 FIB_TEST(!fib_test_validate_entry(lfe,
8852 FIB_FORW_CHAIN_TYPE_MPLS_EOS,
8855 "3500 via replicate over 10.10.10.1");
8858 * MPLS Bud-node. Add a replication via an interface-receieve path
8860 lfe = fib_table_entry_path_add(lfib_index,
8863 FIB_ENTRY_FLAG_MULTICAST,
8866 tm->hw[0]->sw_if_index,
8867 ~0, // invalid fib index
8870 FIB_ROUTE_PATH_INTF_RX);
8871 FIB_TEST(!fib_test_validate_entry(lfe,
8872 FIB_FORW_CHAIN_TYPE_MPLS_EOS,
8876 "3500 via replicate over 10.10.10.1 and interface-rx");
8879 * Add a replication via an interface-free for-us path
8881 fib_test_rep_bucket_t mc_disp = {
8882 .type = FT_REP_DISP_MFIB_LOOKUP,
8884 .adj = idpo.dpoi_index,
8887 lfe = fib_table_entry_path_add(lfib_index,
8890 FIB_ENTRY_FLAG_MULTICAST,
8897 FIB_ROUTE_PATH_RPF_ID);
8898 FIB_TEST(!fib_test_validate_entry(lfe,
8899 FIB_FORW_CHAIN_TYPE_MPLS_EOS,
8904 "3500 via replicate over 10.10.10.1 and interface-rx");
8908 fib_table_entry_delete(fib_index, &pfx_3500, FIB_SOURCE_API);
8914 mpls_sw_interface_enable_disable(&mpls_main,
8915 tm->hw[0]->sw_if_index,
8917 mpls_table_delete(MPLS_FIB_DEFAULT_TABLE_ID, FIB_SOURCE_API);
8919 FIB_TEST(0 == pool_elts(mpls_disp_dpo_pool),
8920 "mpls_disp_dpo resources freed %d of %d",
8921 0, pool_elts(mpls_disp_dpo_pool));
8922 FIB_TEST(lb_count == pool_elts(load_balance_pool),
8923 "Load-balance resources freed %d of %d",
8924 lb_count, pool_elts(load_balance_pool));
8925 FIB_TEST(0 == pool_elts(interface_rx_dpo_pool),
8926 "interface_rx_dpo resources freed %d of %d",
8927 0, pool_elts(interface_rx_dpo_pool));
8933 fib_test_inherit (void)
8935 fib_node_index_t fei;
8940 n_feis = fib_entry_pool_size();
8943 const ip46_address_t nh_10_10_10_1 = {
8944 .ip4.as_u32 = clib_host_to_net_u32(0x0a0a0a01),
8946 const ip46_address_t nh_10_10_10_2 = {
8947 .ip4.as_u32 = clib_host_to_net_u32(0x0a0a0a02),
8949 const ip46_address_t nh_10_10_10_3 = {
8950 .ip4.as_u32 = clib_host_to_net_u32(0x0a0a0a03),
8952 const ip46_address_t nh_10_10_10_16 = {
8953 .ip4.as_u32 = clib_host_to_net_u32(0x0a0a0a10),
8955 const ip46_address_t nh_10_10_10_20 = {
8956 .ip4.as_u32 = clib_host_to_net_u32(0x0a0a0a14),
8958 const ip46_address_t nh_10_10_10_21 = {
8959 .ip4.as_u32 = clib_host_to_net_u32(0x0a0a0a15),
8961 const ip46_address_t nh_10_10_10_22 = {
8962 .ip4.as_u32 = clib_host_to_net_u32(0x0a0a0a16),
8964 const ip46_address_t nh_10_10_10_255 = {
8965 .ip4.as_u32 = clib_host_to_net_u32(0x0a0a0aff),
8967 const ip46_address_t nh_10_10_10_0 = {
8968 .ip4.as_u32 = clib_host_to_net_u32(0x0a0a0a00),
8970 const ip46_address_t nh_10_10_0_0 = {
8971 .ip4.as_u32 = clib_host_to_net_u32(0x0a0a0000),
8973 const ip46_address_t nh_11_11_11_11 = {
8974 .ip4.as_u32 = clib_host_to_net_u32(0x0b0b0b0b),
8976 const ip46_address_t nh_11_11_11_0 = {
8977 .ip4.as_u32 = clib_host_to_net_u32(0x0b0b0b00),
8981 * prefixes at the base of a sub-tree
8983 const fib_prefix_t pfx_10_10_10_21_s_32 = {
8985 .fp_proto = FIB_PROTOCOL_IP4,
8986 .fp_addr = nh_10_10_10_21,
8988 const fib_prefix_t pfx_10_10_10_22_s_32 = {
8990 .fp_proto = FIB_PROTOCOL_IP4,
8991 .fp_addr = nh_10_10_10_22,
8993 const fib_prefix_t pfx_10_10_10_255_s_32 = {
8995 .fp_proto = FIB_PROTOCOL_IP4,
8996 .fp_addr = nh_10_10_10_255,
8998 const u32 N_PLS = fib_path_list_pool_size();
9000 fib_table_entry_special_add(0,
9001 &pfx_10_10_10_21_s_32,
9003 FIB_ENTRY_FLAG_DROP);
9004 fib_table_entry_special_add(0,
9005 &pfx_10_10_10_22_s_32,
9007 FIB_ENTRY_FLAG_DROP);
9008 fib_table_entry_special_add(0,
9009 &pfx_10_10_10_255_s_32,
9011 FIB_ENTRY_FLAG_DROP);
9014 * source an entry that pushes its state down the sub-tree
9016 const fib_prefix_t pfx_10_10_10_16_s_28 = {
9018 .fp_proto = FIB_PROTOCOL_IP4,
9019 .fp_addr = nh_10_10_10_16,
9021 fib_table_entry_update_one_path(0,
9022 &pfx_10_10_10_16_s_28,
9024 FIB_ENTRY_FLAG_COVERED_INHERIT,
9027 tm->hw[0]->sw_if_index,
9031 FIB_ROUTE_PATH_FLAG_NONE);
9034 * this covering entry and all those below it should have
9035 * the same forwarding information.
9037 adj_index_t ai_10_10_10_1 = adj_nbr_add_or_lock(FIB_PROTOCOL_IP4,
9040 tm->hw[0]->sw_if_index);
9041 fib_test_lb_bucket_t adj_o_10_10_10_1 = {
9044 .adj = ai_10_10_10_1,
9048 fei = fib_table_lookup(0, &pfx_10_10_10_16_s_28);
9049 FIB_TEST(!fib_test_validate_entry(fei,
9050 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
9053 "%U via 10.10.10.1",
9054 format_fib_prefix, &pfx_10_10_10_16_s_28);
9055 fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_21_s_32);
9056 FIB_TEST(!fib_test_validate_entry(fei,
9057 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
9060 "%U via 10.10.10.1",
9061 format_fib_prefix, &pfx_10_10_10_21_s_32);
9062 fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_22_s_32);
9063 FIB_TEST(!fib_test_validate_entry(fei,
9064 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
9067 "%U via 10.10.10.1",
9068 format_fib_prefix, &pfx_10_10_10_22_s_32);
9069 fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_255_s_32);
9070 FIB_TEST(load_balance_is_drop(fib_entry_contribute_ip_forwarding(fei)),
9071 "%U resolves via drop",
9072 format_fib_prefix, &pfx_10_10_10_255_s_32);
9075 * remove the inherting cover - covereds go back to drop
9077 fib_table_entry_delete(0, &pfx_10_10_10_16_s_28, FIB_SOURCE_API);
9079 fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_21_s_32);
9080 FIB_TEST(load_balance_is_drop(fib_entry_contribute_ip_forwarding(fei)),
9081 "%U resolves via drop",
9082 format_fib_prefix, &pfx_10_10_10_21_s_32);
9085 * source an entry that pushes its state down the sub-tree
9087 const fib_prefix_t pfx_10_10_10_0_s_24 = {
9089 .fp_proto = FIB_PROTOCOL_IP4,
9090 .fp_addr = nh_10_10_10_0,
9092 fib_table_entry_update_one_path(0,
9093 &pfx_10_10_10_0_s_24,
9095 FIB_ENTRY_FLAG_COVERED_INHERIT,
9098 tm->hw[0]->sw_if_index,
9102 FIB_ROUTE_PATH_FLAG_NONE);
9105 * whole sub-tree now covered
9107 fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_0_s_24);
9108 FIB_TEST(!fib_test_validate_entry(fei,
9109 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
9112 "%U via 10.10.10.1",
9113 format_fib_prefix, &pfx_10_10_10_0_s_24);
9114 fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_21_s_32);
9115 FIB_TEST(!fib_test_validate_entry(fei,
9116 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
9119 "%U via 10.10.10.1",
9120 format_fib_prefix, &pfx_10_10_10_21_s_32);
9121 fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_22_s_32);
9122 FIB_TEST(!fib_test_validate_entry(fei,
9123 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
9126 "%U via 10.10.10.1",
9127 format_fib_prefix, &pfx_10_10_10_22_s_32);
9128 fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_255_s_32);
9129 FIB_TEST(!fib_test_validate_entry(fei,
9130 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
9133 "%U via 10.10.10.1",
9134 format_fib_prefix, &pfx_10_10_10_255_s_32);
9137 * insert a more specific into the sub-tree - expect inheritance
9138 * this one is directly covered by the root
9140 fib_table_entry_special_add(0,
9141 &pfx_10_10_10_16_s_28,
9143 FIB_ENTRY_FLAG_DROP);
9144 fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_16_s_28);
9145 FIB_TEST(!fib_test_validate_entry(fei,
9146 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
9149 "%U via 10.10.10.1",
9150 format_fib_prefix, &pfx_10_10_10_16_s_28);
9153 * insert a more specific into the sub-tree - expect inheritance
9154 * this one is indirectly covered by the root
9156 const fib_prefix_t pfx_10_10_10_20_s_30 = {
9158 .fp_proto = FIB_PROTOCOL_IP4,
9159 .fp_addr = nh_10_10_10_20,
9161 fib_table_entry_special_add(0,
9162 &pfx_10_10_10_20_s_30,
9164 FIB_ENTRY_FLAG_DROP);
9165 fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_20_s_30);
9166 FIB_TEST(!fib_test_validate_entry(fei,
9167 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
9170 "%U via 10.10.10.1",
9171 format_fib_prefix, &pfx_10_10_10_20_s_30);
9174 * remove the prefix from the middle of the sub-tree
9175 * the inherited source will be the only one remaining - expect
9176 * it to be withdrawn and hence the prefix is removed.
9178 fib_table_entry_special_remove(0,
9179 &pfx_10_10_10_20_s_30,
9181 fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_20_s_30);
9182 FIB_TEST((FIB_NODE_INDEX_INVALID == fei),
9184 format_fib_prefix, &pfx_10_10_10_20_s_30);
9187 * inheriting source is modifed - expect the modification to be present
9188 * throughout the sub-tree
9190 adj_index_t ai_10_10_10_2 = adj_nbr_add_or_lock(FIB_PROTOCOL_IP4,
9193 tm->hw[0]->sw_if_index);
9194 fib_test_lb_bucket_t adj_o_10_10_10_2 = {
9197 .adj = ai_10_10_10_2,
9201 fib_table_entry_update_one_path(0,
9202 &pfx_10_10_10_0_s_24,
9204 FIB_ENTRY_FLAG_COVERED_INHERIT,
9207 tm->hw[0]->sw_if_index,
9211 FIB_ROUTE_PATH_FLAG_NONE);
9212 fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_21_s_32);
9213 FIB_TEST(!fib_test_validate_entry(fei,
9214 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
9217 "%U via 10.10.10.2",
9218 format_fib_prefix, &pfx_10_10_10_21_s_32);
9219 fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_22_s_32);
9220 FIB_TEST(!fib_test_validate_entry(fei,
9221 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
9224 "%U via 10.10.10.2",
9225 format_fib_prefix, &pfx_10_10_10_22_s_32);
9226 fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_255_s_32);
9227 FIB_TEST(!fib_test_validate_entry(fei,
9228 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
9231 "%U via 10.10.10.2",
9232 format_fib_prefix, &pfx_10_10_10_255_s_32);
9233 fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_0_s_24);
9234 FIB_TEST(!fib_test_validate_entry(fei,
9235 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
9238 "%U via 10.10.10.2",
9239 format_fib_prefix, &pfx_10_10_10_0_s_24);
9242 * add the source that replaces inherited state.
9243 * inheriting source is not the best, so it doesn't push state.
9245 fib_table_entry_update_one_path(0,
9246 &pfx_10_10_10_0_s_24,
9247 FIB_SOURCE_PLUGIN_HI,
9248 FIB_ENTRY_FLAG_NONE,
9251 tm->hw[0]->sw_if_index,
9255 FIB_ROUTE_PATH_FLAG_NONE);
9256 fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_0_s_24);
9257 FIB_TEST(!fib_test_validate_entry(fei,
9258 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
9261 "%U via 10.10.10.1",
9262 format_fib_prefix, &pfx_10_10_10_0_s_24);
9264 fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_21_s_32);
9265 FIB_TEST(load_balance_is_drop(fib_entry_contribute_ip_forwarding(fei)),
9266 "%U resolves via drop",
9267 format_fib_prefix, &pfx_10_10_10_21_s_32);
9268 fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_22_s_32);
9269 FIB_TEST(load_balance_is_drop(fib_entry_contribute_ip_forwarding(fei)),
9270 "%U resolves via drop",
9271 format_fib_prefix, &pfx_10_10_10_22_s_32);
9272 fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_255_s_32);
9273 FIB_TEST(load_balance_is_drop(fib_entry_contribute_ip_forwarding(fei)),
9274 "%U resolves via drop",
9275 format_fib_prefix, &pfx_10_10_10_255_s_32);
9276 fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_16_s_28);
9277 FIB_TEST(load_balance_is_drop(fib_entry_contribute_ip_forwarding(fei)),
9278 "%U resolves via drop",
9279 format_fib_prefix, &pfx_10_10_10_16_s_28);
9282 * withdraw the higher priority source and expect the inherited to return
9283 * throughout the sub-tree
9285 fib_table_entry_delete(0, &pfx_10_10_10_0_s_24, FIB_SOURCE_PLUGIN_HI);
9287 fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_21_s_32);
9288 FIB_TEST(!fib_test_validate_entry(fei,
9289 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
9292 "%U via 10.10.10.2",
9293 format_fib_prefix, &pfx_10_10_10_21_s_32);
9294 fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_22_s_32);
9295 FIB_TEST(!fib_test_validate_entry(fei,
9296 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
9299 "%U via 10.10.10.2",
9300 format_fib_prefix, &pfx_10_10_10_22_s_32);
9301 fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_255_s_32);
9302 FIB_TEST(!fib_test_validate_entry(fei,
9303 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
9306 "%U via 10.10.10.2",
9307 format_fib_prefix, &pfx_10_10_10_255_s_32);
9308 fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_0_s_24);
9309 FIB_TEST(!fib_test_validate_entry(fei,
9310 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
9313 "%U via 10.10.10.2",
9314 format_fib_prefix, &pfx_10_10_10_0_s_24);
9315 fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_16_s_28);
9316 FIB_TEST(!fib_test_validate_entry(fei,
9317 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
9320 "%U via 10.10.10.2",
9321 format_fib_prefix, &pfx_10_10_10_16_s_28);
9324 * source a covered entry in the sub-tree with the same inherting source
9325 * - expect that it now owns the sub-tree and thus over-rides its cover
9327 fib_table_entry_update_one_path(0,
9328 &pfx_10_10_10_16_s_28,
9330 FIB_ENTRY_FLAG_COVERED_INHERIT,
9333 tm->hw[0]->sw_if_index,
9337 FIB_ROUTE_PATH_FLAG_NONE);
9338 fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_16_s_28);
9339 FIB_TEST(!fib_test_validate_entry(fei,
9340 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
9343 "%U via 10.10.10.1",
9344 format_fib_prefix, &pfx_10_10_10_16_s_28);
9345 fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_22_s_32);
9346 FIB_TEST(!fib_test_validate_entry(fei,
9347 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
9350 "%U via 10.10.10.2",
9351 format_fib_prefix, &pfx_10_10_10_22_s_32);
9352 fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_21_s_32);
9353 FIB_TEST(!fib_test_validate_entry(fei,
9354 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
9357 "%U via 10.10.10.2",
9358 format_fib_prefix, &pfx_10_10_10_21_s_32);
9360 /* these two unaffected by the sub-tree change */
9361 fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_255_s_32);
9362 FIB_TEST(!fib_test_validate_entry(fei,
9363 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
9366 "%U via 10.10.10.2",
9367 format_fib_prefix, &pfx_10_10_10_255_s_32);
9368 fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_0_s_24);
9369 FIB_TEST(!fib_test_validate_entry(fei,
9370 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
9373 "%U via 10.10.10.2",
9374 format_fib_prefix, &pfx_10_10_10_0_s_24);
9377 * removes the more specific, expect the /24 to now re-owns the sub-tree
9379 fib_table_entry_delete(0, &pfx_10_10_10_16_s_28, FIB_SOURCE_API);
9381 fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_21_s_32);
9382 FIB_TEST(!fib_test_validate_entry(fei,
9383 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
9386 "%U via 10.10.10.2",
9387 format_fib_prefix, &pfx_10_10_10_16_s_28);
9388 FIB_TEST(!fib_test_validate_entry(fei,
9389 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
9392 "%U via 10.10.10.2",
9393 format_fib_prefix, &pfx_10_10_10_21_s_32);
9394 fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_22_s_32);
9395 FIB_TEST(!fib_test_validate_entry(fei,
9396 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
9399 "%U via 10.10.10.2",
9400 format_fib_prefix, &pfx_10_10_10_22_s_32);
9401 fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_255_s_32);
9402 FIB_TEST(!fib_test_validate_entry(fei,
9403 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
9406 "%U via 10.10.10.2",
9407 format_fib_prefix, &pfx_10_10_10_255_s_32);
9408 fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_0_s_24);
9409 FIB_TEST(!fib_test_validate_entry(fei,
9410 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
9413 "%U via 10.10.10.2",
9414 format_fib_prefix, &pfx_10_10_10_0_s_24);
9416 * modify the /24. expect the new forwarding to be pushed down
9418 fib_table_entry_update_one_path(0,
9419 &pfx_10_10_10_0_s_24,
9421 FIB_ENTRY_FLAG_COVERED_INHERIT,
9424 tm->hw[0]->sw_if_index,
9428 FIB_ROUTE_PATH_FLAG_NONE);
9429 fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_21_s_32);
9430 FIB_TEST(!fib_test_validate_entry(fei,
9431 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
9434 "%U via 10.10.10.1",
9435 format_fib_prefix, &pfx_10_10_10_16_s_28);
9436 FIB_TEST(!fib_test_validate_entry(fei,
9437 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
9440 "%U via 10.10.10.1",
9441 format_fib_prefix, &pfx_10_10_10_21_s_32);
9442 fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_22_s_32);
9443 FIB_TEST(!fib_test_validate_entry(fei,
9444 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
9447 "%U via 10.10.10.1",
9448 format_fib_prefix, &pfx_10_10_10_22_s_32);
9449 fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_255_s_32);
9450 FIB_TEST(!fib_test_validate_entry(fei,
9451 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
9454 "%U via 10.10.10.1",
9455 format_fib_prefix, &pfx_10_10_10_255_s_32);
9456 fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_0_s_24);
9457 FIB_TEST(!fib_test_validate_entry(fei,
9458 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
9461 "%U via 10.10.10.1",
9462 format_fib_prefix, &pfx_10_10_10_0_s_24);
9465 * add an entry less specific to /24. it should not own the /24's tree
9467 const fib_prefix_t pfx_10_10_0_0_s_16 = {
9469 .fp_proto = FIB_PROTOCOL_IP4,
9470 .fp_addr = nh_10_10_0_0,
9472 fib_table_entry_update_one_path(0,
9473 &pfx_10_10_0_0_s_16,
9475 FIB_ENTRY_FLAG_COVERED_INHERIT,
9478 tm->hw[0]->sw_if_index,
9482 FIB_ROUTE_PATH_FLAG_NONE);
9483 fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_21_s_32);
9484 FIB_TEST(!fib_test_validate_entry(fei,
9485 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
9488 "%U via 10.10.10.1",
9489 format_fib_prefix, &pfx_10_10_10_16_s_28);
9490 fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_22_s_32);
9491 FIB_TEST(!fib_test_validate_entry(fei,
9492 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
9495 "%U via 10.10.10.1",
9496 format_fib_prefix, &pfx_10_10_10_22_s_32);
9497 fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_255_s_32);
9498 FIB_TEST(!fib_test_validate_entry(fei,
9499 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
9502 "%U via 10.10.10.1",
9503 format_fib_prefix, &pfx_10_10_10_255_s_32);
9504 fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_0_s_24);
9505 FIB_TEST(!fib_test_validate_entry(fei,
9506 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
9509 "%U via 10.10.10.1",
9510 format_fib_prefix, &pfx_10_10_10_0_s_24);
9511 fei = fib_table_lookup_exact_match(0, &pfx_10_10_0_0_s_16);
9512 FIB_TEST(!fib_test_validate_entry(fei,
9513 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
9516 "%U via 10.10.10.2",
9517 format_fib_prefix, &pfx_10_10_0_0_s_16);
9520 * Add/remove an interposer source to a new /32
9522 const fib_prefix_t pfx_11_11_11_11_s_32 = {
9524 .fp_proto = FIB_PROTOCOL_IP4,
9525 .fp_addr = nh_11_11_11_11,
9528 fib_table_entry_update_one_path(0,
9529 &pfx_11_11_11_11_s_32,
9531 FIB_ENTRY_FLAG_NONE,
9534 tm->hw[0]->sw_if_index,
9538 FIB_ROUTE_PATH_FLAG_NONE);
9540 dpo_id_t interposer = DPO_INVALID;
9541 fib_mpls_label_t *l99 = NULL, fml_99 = {
9544 vec_add1(l99, fml_99);
9546 mpls_label_dpo_create(l99,
9549 MPLS_LABEL_DPO_FLAG_NONE,
9550 punt_dpo_get(DPO_PROTO_MPLS),
9553 adj_index_t ai_10_10_10_3 = adj_nbr_add_or_lock(FIB_PROTOCOL_IP4,
9556 tm->hw[0]->sw_if_index);
9557 fib_test_lb_bucket_t adj_o_10_10_10_3 = {
9560 .adj = ai_10_10_10_3,
9563 fib_test_lb_bucket_t l99_o_10_10_10_3 = {
9564 .type = FT_LB_LABEL_O_ADJ,
9566 .adj = ai_10_10_10_3,
9572 fei = fib_table_entry_special_dpo_add(0,
9573 &pfx_11_11_11_11_s_32,
9575 FIB_ENTRY_FLAG_INTERPOSE,
9577 FIB_TEST(!fib_test_validate_entry(fei,
9578 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
9581 "%U via interposer adj",
9582 format_fib_prefix,&pfx_11_11_11_11_s_32);
9584 fib_table_entry_special_remove(0,
9585 &pfx_11_11_11_11_s_32,
9586 FIB_SOURCE_SPECIAL);
9587 FIB_TEST(!fib_test_validate_entry(fei,
9588 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
9591 "%U via 10.10.10.1",
9592 format_fib_prefix, &pfx_11_11_11_11_s_32);
9595 * remove and re-add the second best API source while the interpose
9598 fei = fib_table_entry_special_dpo_add(0,
9599 &pfx_11_11_11_11_s_32,
9601 FIB_ENTRY_FLAG_INTERPOSE,
9603 FIB_TEST(!fib_test_validate_entry(fei,
9604 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
9607 "%U via interposer adj",
9608 format_fib_prefix,&pfx_11_11_11_11_s_32);
9610 FIB_TEST(2 == pool_elts(mpls_label_dpo_pool),
9611 "MPLS label pool: %d",
9612 pool_elts(mpls_label_dpo_pool));
9614 fib_table_entry_delete(0, &pfx_11_11_11_11_s_32, FIB_SOURCE_API);
9617 * the interpose does not get stacked when there are not valid paths
9619 fib_test_lb_bucket_t bucket_drop = {
9622 .adj = DPO_PROTO_IP4,
9625 FIB_TEST(!fib_test_validate_entry(fei,
9626 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
9630 format_fib_prefix,&pfx_11_11_11_11_s_32);
9632 fib_table_entry_update_one_path(0,
9633 &pfx_11_11_11_11_s_32,
9635 FIB_ENTRY_FLAG_NONE,
9638 tm->hw[0]->sw_if_index,
9642 FIB_ROUTE_PATH_FLAG_NONE);
9643 FIB_TEST(!fib_test_validate_entry(fei,
9644 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
9647 "%U via interposer adj",
9648 format_fib_prefix,&pfx_11_11_11_11_s_32);
9649 fib_table_entry_delete(0, &pfx_11_11_11_11_s_32, FIB_SOURCE_API);
9652 * add a cover for the interposed entry, so that we test it selects
9653 * the covers forwarding.
9655 const fib_prefix_t pfx_11_11_11_0_s_24 = {
9657 .fp_proto = FIB_PROTOCOL_IP4,
9658 .fp_addr = nh_11_11_11_0,
9660 fib_table_entry_update_one_path(0,
9661 &pfx_11_11_11_0_s_24,
9663 FIB_ENTRY_FLAG_NONE,
9666 tm->hw[0]->sw_if_index,
9670 FIB_ROUTE_PATH_FLAG_NONE);
9671 FIB_TEST(!fib_test_validate_entry(fei,
9672 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
9675 "%U via interposer adj",
9676 format_fib_prefix,&pfx_11_11_11_11_s_32);
9679 * multiple interpose sources on the same entry. Only the high
9680 * priority source gets to add the interpose.
9682 dpo_id_t interposer2 = DPO_INVALID;
9683 fib_mpls_label_t *l100 = NULL, fml_100 = {
9686 vec_add1(l100, fml_100);
9688 mpls_label_dpo_create(l100,
9691 MPLS_LABEL_DPO_FLAG_NONE,
9692 punt_dpo_get(DPO_PROTO_MPLS),
9695 fei = fib_table_entry_special_dpo_add(0,
9696 &pfx_11_11_11_11_s_32,
9697 FIB_SOURCE_CLASSIFY,
9698 FIB_ENTRY_FLAG_INTERPOSE,
9700 FIB_TEST(!fib_test_validate_entry(fei,
9701 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
9704 "%U via interposer label 99",
9705 format_fib_prefix,&pfx_11_11_11_11_s_32);
9707 fib_test_lb_bucket_t l100_o_10_10_10_3 = {
9708 .type = FT_LB_LABEL_O_ADJ,
9710 .adj = ai_10_10_10_3,
9716 fib_table_entry_delete(0, &pfx_11_11_11_11_s_32, FIB_SOURCE_SPECIAL);
9718 FIB_TEST(!fib_test_validate_entry(fei,
9719 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
9721 &l100_o_10_10_10_3),
9722 "%U via interposer label 99",
9723 format_fib_prefix,&pfx_11_11_11_11_s_32);
9725 fib_table_entry_delete(0, &pfx_11_11_11_0_s_24, FIB_SOURCE_API);
9726 FIB_TEST(!fib_test_validate_entry(fei,
9727 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
9731 format_fib_prefix,&pfx_11_11_11_11_s_32);
9732 fib_table_entry_delete(0, &pfx_11_11_11_11_s_32, FIB_SOURCE_CLASSIFY);
9735 * update a source to/from interpose.
9737 /* fib_table_entry_update_one_path(0, */
9738 /* &pfx_11_11_11_0_s_24, */
9739 /* FIB_SOURCE_API, */
9740 /* FIB_ENTRY_FLAG_NONE, */
9741 /* DPO_PROTO_IP4, */
9742 /* &nh_10_10_10_3, */
9743 /* tm->hw[0]->sw_if_index, */
9747 /* FIB_ROUTE_PATH_FLAG_NONE); */
9748 /* fei = fib_table_entry_special_dpo_add(0, */
9749 /* &pfx_11_11_11_11_s_32, */
9750 /* FIB_SOURCE_API, */
9751 /* FIB_ENTRY_FLAG_INTERPOSE, */
9753 /* FIB_TEST(!fib_test_validate_entry(fei, */
9754 /* FIB_FORW_CHAIN_TYPE_UNICAST_IP4, */
9756 /* &l99_o_10_10_10_3), */
9757 /* "%U via interposer label 99", */
9758 /* format_fib_prefix,&pfx_11_11_11_11_s_32); */
9760 /* FIB_TEST(3 == pool_elts(mpls_label_dpo_pool), */
9761 /* "MPLS label pool: %d", */
9762 /* pool_elts(mpls_label_dpo_pool)); */
9763 /* FIB_TEST((2 == mpls_label_dpo_get(interposer.dpoi_index)->mld_locks), */
9764 /* "Interposer %d locks", */
9765 /* mpls_label_dpo_get(interposer.dpoi_index)->mld_locks); */
9767 /* fib_table_entry_update_one_path(0, */
9768 /* &pfx_11_11_11_11_s_32, */
9769 /* FIB_SOURCE_API, */
9770 /* FIB_ENTRY_FLAG_NONE, */
9771 /* DPO_PROTO_IP4, */
9772 /* &nh_10_10_10_2, */
9773 /* tm->hw[0]->sw_if_index, */
9777 /* FIB_ROUTE_PATH_FLAG_NONE); */
9778 /* FIB_TEST(!fib_test_validate_entry(fei, */
9779 /* FIB_FORW_CHAIN_TYPE_UNICAST_IP4, */
9781 /* &adj_o_10_10_10_2), */
9782 /* "%U via 10.10.10.2", */
9783 /* format_fib_prefix,&pfx_11_11_11_11_s_32); */
9785 /* FIB_TEST((1 == mpls_label_dpo_get(interposer.dpoi_index)->mld_locks), */
9786 /* "Interposer %d locks", */
9787 /* mpls_label_dpo_get(interposer.dpoi_index)->mld_locks); */
9788 /* FIB_TEST(2 == pool_elts(mpls_label_dpo_pool), */
9789 /* "MPLS label pool: %d", */
9790 /* pool_elts(mpls_label_dpo_pool)); */
9792 /* fei = fib_table_entry_special_dpo_add(0, */
9793 /* &pfx_11_11_11_11_s_32, */
9794 /* FIB_SOURCE_API, */
9795 /* FIB_ENTRY_FLAG_INTERPOSE, */
9797 /* FIB_TEST(!fib_test_validate_entry(fei, */
9798 /* FIB_FORW_CHAIN_TYPE_UNICAST_IP4, */
9800 /* &l99_o_10_10_10_3), */
9801 /* "%U via interposer label 99", */
9802 /* format_fib_prefix,&pfx_11_11_11_11_s_32); */
9804 /* fib_table_entry_delete(0, &pfx_11_11_11_11_s_32, FIB_SOURCE_API); */
9807 * Add/remove an interposer source from the top of the subtrie. The
9808 * interposer source is not inherited.
9810 fib_table_entry_update_one_path(0,
9811 &pfx_10_10_10_0_s_24,
9813 FIB_ENTRY_FLAG_COVERED_INHERIT,
9816 tm->hw[0]->sw_if_index,
9820 FIB_ROUTE_PATH_FLAG_NONE);
9821 fei = fib_table_entry_special_dpo_add(0,
9822 &pfx_10_10_10_0_s_24,
9824 FIB_ENTRY_FLAG_INTERPOSE,
9826 FIB_TEST(!fib_test_validate_entry(fei,
9827 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
9830 "%U via interposer label",
9831 format_fib_prefix,&pfx_10_10_10_0_s_24);
9832 fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_21_s_32);
9833 FIB_TEST(!fib_test_validate_entry(fei,
9834 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
9838 format_fib_prefix, &pfx_10_10_10_21_s_32);
9840 fib_table_entry_special_remove(0,
9841 &pfx_10_10_10_0_s_24,
9842 FIB_SOURCE_SPECIAL);
9843 fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_0_s_24);
9844 FIB_TEST(!fib_test_validate_entry(fei,
9845 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
9848 "%U via 10.10.10.1",
9849 format_fib_prefix, &pfx_10_10_10_0_s_24);
9850 fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_21_s_32);
9851 FIB_TEST(!fib_test_validate_entry(fei,
9852 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
9855 "%U via via 10.10.10.1",
9856 format_fib_prefix, &pfx_10_10_10_21_s_32);
9859 * Add/remove an interposer source from the top of the subtrie. The
9860 * interposer source is inherited.
9862 fei = fib_table_entry_special_dpo_add(0,
9863 &pfx_10_10_10_0_s_24,
9865 (FIB_ENTRY_FLAG_COVERED_INHERIT |
9866 FIB_ENTRY_FLAG_INTERPOSE),
9868 FIB_TEST(!fib_test_validate_entry(fei,
9869 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
9872 "%U via interposer label",
9873 format_fib_prefix,&pfx_10_10_10_0_s_24);
9875 /* interposer gets forwarding from the drop cli source */
9876 fei = fib_table_lookup_exact_match(0, &pfx_10_10_10_21_s_32);
9877 FIB_TEST(!fib_test_validate_entry(fei,
9878 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
9882 format_fib_prefix,&pfx_10_10_10_21_s_32);
9884 fib_table_entry_update_one_path(0,
9885 &pfx_10_10_10_21_s_32,
9887 FIB_ENTRY_FLAG_NONE,
9890 tm->hw[0]->sw_if_index,
9894 FIB_ROUTE_PATH_FLAG_NONE);
9895 fib_table_entry_delete(0, &pfx_10_10_10_21_s_32, FIB_SOURCE_CLI);
9896 /* interposer gets forwarding from the API source */
9897 FIB_TEST(!fib_test_validate_entry(fei,
9898 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
9901 "%U via interposer label",
9902 format_fib_prefix,&pfx_10_10_10_21_s_32);
9907 fib_table_entry_delete(0, &pfx_10_10_10_22_s_32, FIB_SOURCE_CLI);
9908 fib_table_entry_delete(0, &pfx_10_10_10_21_s_32, FIB_SOURCE_API);
9909 fib_table_entry_delete(0, &pfx_10_10_10_16_s_28, FIB_SOURCE_CLI);
9910 fib_table_entry_delete(0, &pfx_10_10_10_255_s_32, FIB_SOURCE_CLI);
9911 fib_table_entry_delete(0, &pfx_10_10_10_0_s_24, FIB_SOURCE_API);
9912 fib_table_entry_delete(0, &pfx_10_10_0_0_s_16, FIB_SOURCE_API);
9913 fib_table_entry_delete(0, &pfx_10_10_10_0_s_24, FIB_SOURCE_SPECIAL);
9914 adj_unlock(ai_10_10_10_1);
9915 adj_unlock(ai_10_10_10_2);
9916 adj_unlock(ai_10_10_10_3);
9917 dpo_reset(&interposer);
9918 dpo_reset(&interposer2);
9919 FIB_TEST(0 == pool_elts(mpls_label_dpo_pool),
9920 "MPLS label pool empty: %d",
9921 pool_elts(mpls_label_dpo_pool));
9922 FIB_TEST(0 == adj_nbr_db_size(), "All adjacencies removed");
9923 FIB_TEST(N_PLS == fib_path_list_pool_size(),
9924 "number of path-lists: %d = %d",
9925 N_PLS, fib_path_list_pool_size());
9928 * test the v6 tree walk.
9929 * a /64 that covers everything. a /96 that covers one /128
9930 * a second /128 covered only by the /64.
9932 const fib_prefix_t pfx_2001_s_64 = {
9934 .fp_proto = FIB_PROTOCOL_IP6,
9938 [0] = clib_host_to_net_u64(0x2001000000000000),
9939 [1] = clib_host_to_net_u64(0x0000000000000000),
9944 const fib_prefix_t pfx_2001_1_s_96 = {
9946 .fp_proto = FIB_PROTOCOL_IP6,
9950 [0] = clib_host_to_net_u64(0x2001000000000000),
9951 [1] = clib_host_to_net_u64(0x1000000000000000),
9956 const fib_prefix_t pfx_2001_1_1_s_128 = {
9958 .fp_proto = FIB_PROTOCOL_IP6,
9962 [0] = clib_host_to_net_u64(0x2001000000000000),
9963 [1] = clib_host_to_net_u64(0x1000000000000001),
9968 const fib_prefix_t pfx_2001_0_1_s_128 = {
9970 .fp_proto = FIB_PROTOCOL_IP6,
9974 [0] = clib_host_to_net_u64(0x2001000000000000),
9975 [1] = clib_host_to_net_u64(0x0000000000000001),
9980 const ip46_address_t nh_3000_1 = {
9983 [0] = clib_host_to_net_u64(0x3000000000000000),
9984 [1] = clib_host_to_net_u64(0x0000000000000001),
9988 const ip46_address_t nh_3000_2 = {
9991 [0] = clib_host_to_net_u64(0x3000000000000000),
9992 [1] = clib_host_to_net_u64(0x0000000000000002),
9996 adj_index_t ai_3000_1 = adj_nbr_add_or_lock(FIB_PROTOCOL_IP6,
9999 tm->hw[0]->sw_if_index);
10000 adj_index_t ai_3000_2 = adj_nbr_add_or_lock(FIB_PROTOCOL_IP6,
10003 tm->hw[0]->sw_if_index);
10004 fib_test_lb_bucket_t adj_o_3000_1 = {
10010 fib_test_lb_bucket_t adj_o_3000_2 = {
10017 fib_table_entry_special_add(0,
10018 &pfx_2001_0_1_s_128,
10020 FIB_ENTRY_FLAG_DROP);
10021 fib_table_entry_special_add(0,
10022 &pfx_2001_1_1_s_128,
10024 FIB_ENTRY_FLAG_DROP);
10027 * /96 has inherited forwarding pushed down to its covered /128
10029 fib_table_entry_update_one_path(0,
10032 FIB_ENTRY_FLAG_COVERED_INHERIT,
10035 tm->hw[0]->sw_if_index,
10039 FIB_ROUTE_PATH_FLAG_NONE);
10040 fei = fib_table_lookup_exact_match(0, &pfx_2001_1_s_96);
10041 FIB_TEST(!fib_test_validate_entry(fei,
10042 FIB_FORW_CHAIN_TYPE_UNICAST_IP6,
10046 format_fib_prefix, &pfx_2001_1_s_96);
10047 fei = fib_table_lookup_exact_match(0, &pfx_2001_1_1_s_128);
10048 FIB_TEST(!fib_test_validate_entry(fei,
10049 FIB_FORW_CHAIN_TYPE_UNICAST_IP6,
10053 format_fib_prefix, &pfx_2001_1_1_s_128);
10054 fei = fib_table_lookup_exact_match(0, &pfx_2001_0_1_s_128);
10055 FIB_TEST(load_balance_is_drop(fib_entry_contribute_ip_forwarding(fei)),
10056 "%U resolves via drop",
10057 format_fib_prefix, &pfx_2001_0_1_s_128);
10060 * /64 has inherited forwarding pushed down to all, but the /96
10061 * and its sub-tree remain unaffected.
10063 fib_table_entry_update_one_path(0,
10066 FIB_ENTRY_FLAG_COVERED_INHERIT,
10069 tm->hw[0]->sw_if_index,
10073 FIB_ROUTE_PATH_FLAG_NONE);
10075 fei = fib_table_lookup_exact_match(0, &pfx_2001_s_64);
10076 FIB_TEST(!fib_test_validate_entry(fei,
10077 FIB_FORW_CHAIN_TYPE_UNICAST_IP6,
10081 format_fib_prefix, &pfx_2001_s_64);
10082 fei = fib_table_lookup_exact_match(0, &pfx_2001_0_1_s_128);
10083 FIB_TEST(!fib_test_validate_entry(fei,
10084 FIB_FORW_CHAIN_TYPE_UNICAST_IP6,
10088 format_fib_prefix, &pfx_2001_0_1_s_128);
10090 fei = fib_table_lookup_exact_match(0, &pfx_2001_1_s_96);
10091 FIB_TEST(!fib_test_validate_entry(fei,
10092 FIB_FORW_CHAIN_TYPE_UNICAST_IP6,
10096 format_fib_prefix, &pfx_2001_1_s_96);
10097 fei = fib_table_lookup_exact_match(0, &pfx_2001_1_1_s_128);
10098 FIB_TEST(!fib_test_validate_entry(fei,
10099 FIB_FORW_CHAIN_TYPE_UNICAST_IP6,
10103 format_fib_prefix, &pfx_2001_1_1_s_128);
10108 fib_table_entry_delete(0, &pfx_2001_0_1_s_128, FIB_SOURCE_CLI);
10109 fib_table_entry_delete(0, &pfx_2001_1_1_s_128, FIB_SOURCE_CLI);
10110 fib_table_entry_delete(0, &pfx_2001_s_64, FIB_SOURCE_API);
10111 fib_table_entry_delete(0, &pfx_2001_1_s_96, FIB_SOURCE_API);
10112 adj_unlock(ai_3000_1);
10113 adj_unlock(ai_3000_2);
10116 * test no-one left behind
10118 FIB_TEST((n_feis == fib_entry_pool_size()), "Entries gone");
10119 FIB_TEST(0 == adj_nbr_db_size(), "All adjacencies removed");
10125 fib_test_sticky (void)
10127 fib_route_path_t *r_paths = NULL;
10128 test_main_t *tm = &test_main;
10129 u32 ii, lb_count, pl_count;
10130 dpo_id_t dpo = DPO_INVALID;
10131 fib_node_index_t pl_index;
10135 fib_test_lb_bucket_t buckets[N_PATHS];
10136 bfd_session_t bfds[N_PATHS] = {{0}};
10138 lb_count = pool_elts(load_balance_pool);
10139 pl_count = fib_path_list_pool_size();
10141 for (ii = 0; ii < N_PATHS; ii++)
10143 ip46_address_t nh = {
10144 .ip4.as_u32 = clib_host_to_net_u32(0x0a0a0a02 + ii),
10148 ai = adj_nbr_add_or_lock(FIB_PROTOCOL_IP4,
10150 &nh, tm->hw[0]->sw_if_index);
10152 buckets[ii].type = FT_LB_ADJ;
10153 buckets[ii].adj.adj = ai;
10155 bfds[ii].udp.key.peer_addr = nh;
10156 bfds[ii].udp.key.sw_if_index = tm->hw[0]->sw_if_index;
10157 bfds[ii].hop_type = BFD_HOP_TYPE_SINGLE;
10158 bfds[ii].local_state = BFD_STATE_init;
10159 adj_bfd_notify(BFD_LISTEN_EVENT_CREATE, &bfds[ii]);
10160 bfds[ii].local_state = BFD_STATE_up;
10161 adj_bfd_notify(BFD_LISTEN_EVENT_UPDATE, &bfds[ii]);
10164 for (ii = 0; ii < N_PATHS; ii++)
10166 fib_route_path_t r_path = {
10167 .frp_proto = DPO_PROTO_IP4,
10169 .ip4.as_u32 = clib_host_to_net_u32(0x0a0a0a02 + ii),
10171 .frp_sw_if_index = tm->hw[0]->sw_if_index,
10173 .frp_fib_index = ~0,
10175 vec_add1(r_paths, r_path);
10178 pl_index = fib_path_list_create(FIB_PATH_LIST_FLAG_SHARED, r_paths);
10179 fib_path_list_lock(pl_index);
10181 fib_path_list_contribute_forwarding(pl_index,
10182 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
10183 FIB_PATH_LIST_FWD_FLAG_STICKY,
10186 FIB_TEST(!fib_test_validate_lb(&dpo,
10206 /* take down paths */
10207 bfds[0].local_state = BFD_STATE_down;
10208 adj_bfd_notify(BFD_LISTEN_EVENT_UPDATE, &bfds[0]);
10210 fib_path_list_contribute_forwarding(pl_index,
10211 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
10212 FIB_PATH_LIST_FWD_FLAG_STICKY,
10215 FIB_TEST(!fib_test_validate_lb(&dpo,
10233 "Failed at shut-down path 0");
10235 bfds[7].local_state = BFD_STATE_down;
10236 adj_bfd_notify(BFD_LISTEN_EVENT_UPDATE, &bfds[7]);
10238 fib_path_list_contribute_forwarding(pl_index,
10239 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
10240 FIB_PATH_LIST_FWD_FLAG_STICKY,
10243 FIB_TEST(!fib_test_validate_lb(&dpo,
10261 "Failed at shut-down path 7");
10263 /* paths back up */
10264 bfds[0].local_state = BFD_STATE_up;
10265 adj_bfd_notify(BFD_LISTEN_EVENT_UPDATE, &bfds[0]);
10266 bfds[7].local_state = BFD_STATE_up;
10267 adj_bfd_notify(BFD_LISTEN_EVENT_UPDATE, &bfds[7]);
10269 fib_path_list_contribute_forwarding(pl_index,
10270 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
10271 FIB_PATH_LIST_FWD_FLAG_STICKY,
10274 FIB_TEST(!fib_test_validate_lb(&dpo,
10294 fib_path_list_unlock(pl_index);
10297 * non-power of 2 number of buckets
10299 fib_route_path_t *r_paths2 = NULL;
10301 r_paths2 = vec_dup(r_paths);
10302 _vec_len(r_paths2) = 3;
10304 pl_index = fib_path_list_create(FIB_PATH_LIST_FLAG_SHARED, r_paths2);
10305 fib_path_list_lock(pl_index);
10307 fib_path_list_contribute_forwarding(pl_index,
10308 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
10309 FIB_PATH_LIST_FWD_FLAG_STICKY,
10312 FIB_TEST(!fib_test_validate_lb(&dpo,
10332 bfds[1].local_state = BFD_STATE_down;
10333 adj_bfd_notify(BFD_LISTEN_EVENT_UPDATE, &bfds[1]);
10335 fib_path_list_contribute_forwarding(pl_index,
10336 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
10337 FIB_PATH_LIST_FWD_FLAG_STICKY,
10341 * path 1's buckets alternate between path 0 and 2
10343 FIB_TEST(!fib_test_validate_lb(&dpo,
10362 bfds[1].local_state = BFD_STATE_up;
10363 adj_bfd_notify(BFD_LISTEN_EVENT_UPDATE, &bfds[1]);
10365 fib_path_list_unlock(pl_index);
10370 fib_route_path_t *r_paths3 = NULL;
10372 r_paths3 = vec_dup(r_paths);
10373 _vec_len(r_paths3) = 3;
10375 r_paths3[0].frp_weight = 3;
10377 pl_index = fib_path_list_create(FIB_PATH_LIST_FLAG_SHARED, r_paths3);
10378 fib_path_list_lock(pl_index);
10380 fib_path_list_contribute_forwarding(pl_index,
10381 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
10382 FIB_PATH_LIST_FWD_FLAG_STICKY,
10385 FIB_TEST(!fib_test_validate_lb(&dpo,
10405 bfds[1].local_state = BFD_STATE_down;
10406 adj_bfd_notify(BFD_LISTEN_EVENT_UPDATE, &bfds[1]);
10408 fib_path_list_contribute_forwarding(pl_index,
10409 FIB_FORW_CHAIN_TYPE_UNICAST_IP4,
10410 FIB_PATH_LIST_FWD_FLAG_STICKY,
10412 /* No attempt to Un-equal distribute the down path's buckets */
10413 FIB_TEST(!fib_test_validate_lb(&dpo,
10432 bfds[1].local_state = BFD_STATE_up;
10433 adj_bfd_notify(BFD_LISTEN_EVENT_UPDATE, &bfds[1]);
10436 fib_path_list_unlock(pl_index);
10439 vec_free(r_paths2);
10440 vec_free(r_paths3);
10442 FIB_TEST(lb_count == pool_elts(load_balance_pool), "no leaked LBs");
10443 FIB_TEST(pl_count == fib_path_list_pool_size(), "no leaked PLs");
10448 static clib_error_t *
10449 fib_test (vlib_main_t * vm,
10450 unformat_input_t * input,
10451 vlib_cli_command_t * cmd_arg)
10457 fib_test_mk_intf(4);
10459 if (unformat (input, "debug"))
10461 fib_test_do_debug = 1;
10464 if (unformat (input, "ip4"))
10466 res += fib_test_v4();
10468 else if (unformat (input, "ip6"))
10470 res += fib_test_v6();
10472 else if (unformat (input, "ip"))
10474 res += fib_test_v4();
10475 res += fib_test_v6();
10477 else if (unformat (input, "label"))
10479 res += fib_test_label();
10481 else if (unformat (input, "ae"))
10483 res += fib_test_ae();
10485 else if (unformat (input, "pref"))
10487 res += fib_test_pref();
10489 else if (unformat (input, "lfib"))
10491 res += lfib_test();
10493 else if (unformat (input, "walk"))
10495 res += fib_test_walk();
10497 else if (unformat (input, "bfd"))
10499 res += fib_test_bfd();
10501 else if (unformat (input, "inherit"))
10503 res += fib_test_inherit();
10505 else if (unformat (input, "sticky"))
10507 res += fib_test_sticky();
10511 res += fib_test_v4();
10512 res += fib_test_v6();
10513 res += fib_test_ae();
10514 res += fib_test_bfd();
10515 res += fib_test_pref();
10516 res += fib_test_label();
10517 res += fib_test_inherit();
10518 res += lfib_test();
10521 * fib-walk process must be disabled in order for the walk tests to work
10523 fib_walk_process_disable();
10524 res += fib_test_walk();
10525 fib_walk_process_enable();
10531 return clib_error_return(0, "FIB Unit Test Failed");
10539 VLIB_CLI_COMMAND (test_fib_command, static) = {
10540 .path = "test fib",
10541 .short_help = "fib unit tests - DO NOT RUN ON A LIVE SYSTEM",
10542 .function = fib_test,
10546 fib_test_init (vlib_main_t *vm)
10551 VLIB_INIT_FUNCTION (fib_test_init);