Neale Ranns | d792d9c | 2017-10-21 10:53:20 -0700 | [diff] [blame] | 1 | /* |
| 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: |
| 6 | * |
| 7 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | * |
| 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. |
| 14 | */ |
| 15 | |
| 16 | |
| 17 | #include <vnet/mpls/mpls.h> |
| 18 | #include <vnet/bier/bier_table.h> |
| 19 | #include <vnet/bier/bier_entry.h> |
| 20 | #include <vnet/bier/bier_fmask.h> |
| 21 | #include <vnet/bier/bier_bit_string.h> |
| 22 | #include <vnet/bier/bier_imp.h> |
| 23 | #include <vnet/bier/bier_disp_table.h> |
| 24 | #include <vnet/bier/bier_disp_entry.h> |
| 25 | #include <vnet/fib/fib_entry.h> |
| 26 | #include <vnet/fib/fib_table.h> |
| 27 | #include <vnet/fib/mpls_fib.h> |
| 28 | #include <vnet/dpo/load_balance.h> |
| 29 | #include <vnet/dpo/drop_dpo.h> |
| 30 | #include <vnet/dpo/lookup_dpo.h> |
| 31 | #include <vnet/mfib/mfib_table.h> |
| 32 | |
| 33 | #include <vnet/fib/fib_test.h> |
| 34 | |
| 35 | /* |
| 36 | * Add debugs for passing tests |
| 37 | */ |
| 38 | static int bier_test_do_debug; |
| 39 | |
| 40 | #define BIER_TEST_I(_cond, _comment, _args...) \ |
| 41 | ({ \ |
| 42 | int _evald = (_cond); \ |
| 43 | if (!(_evald)) { \ |
| 44 | fformat(stderr, "FAIL:%d: " _comment "\n", \ |
| 45 | __LINE__, ##_args); \ |
| 46 | } else { \ |
| 47 | if (bier_test_do_debug) \ |
| 48 | fformat(stderr, "PASS:%d: " _comment "\n", \ |
| 49 | __LINE__, ##_args); \ |
| 50 | } \ |
| 51 | _evald; \ |
| 52 | }) |
| 53 | #define BIER_TEST(_cond, _comment, _args...) \ |
| 54 | { \ |
| 55 | if (!BIER_TEST_I(_cond, _comment, ##_args)) { \ |
| 56 | return 1; \ |
| 57 | ASSERT(!("FAIL: " _comment)); \ |
| 58 | } \ |
| 59 | } |
| 60 | |
| 61 | /** |
| 62 | * A 'i'm not fussed is this is not efficient' store of test data |
| 63 | */ |
| 64 | typedef struct test_main_t_ { |
| 65 | /** |
| 66 | * HW if indicies |
| 67 | */ |
| 68 | u32 hw_if_indicies[4]; |
| 69 | /** |
| 70 | * HW interfaces |
| 71 | */ |
| 72 | vnet_hw_interface_t * hw[4]; |
| 73 | |
| 74 | } test_main_t; |
| 75 | static test_main_t test_main; |
| 76 | |
| 77 | /* fake ethernet device class, distinct from "fake-ethX" */ |
| 78 | static u8 * format_test_interface_name (u8 * s, va_list * args) |
| 79 | { |
| 80 | u32 dev_instance = va_arg (*args, u32); |
| 81 | return format (s, "test-eth%d", dev_instance); |
| 82 | } |
| 83 | |
| 84 | static uword dummy_interface_tx (vlib_main_t * vm, |
| 85 | vlib_node_runtime_t * node, |
| 86 | vlib_frame_t * frame) |
| 87 | { |
| 88 | clib_warning ("you shouldn't be here, leaking buffers..."); |
| 89 | return frame->n_vectors; |
| 90 | } |
| 91 | |
| 92 | VNET_DEVICE_CLASS (test_interface_device_class,static) = { |
| 93 | .name = "Test interface", |
| 94 | .format_device_name = format_test_interface_name, |
| 95 | .tx_function = dummy_interface_tx, |
| 96 | }; |
| 97 | |
| 98 | static u8 *hw_address; |
| 99 | |
| 100 | static int |
| 101 | bier_test_mk_intf (u32 ninterfaces) |
| 102 | { |
| 103 | clib_error_t * error = NULL; |
| 104 | test_main_t *tm = &test_main; |
| 105 | u8 byte; |
| 106 | u32 i; |
| 107 | |
| 108 | ASSERT(ninterfaces <= ARRAY_LEN(tm->hw_if_indicies)); |
| 109 | |
| 110 | for (i=0; i<6; i++) |
| 111 | { |
| 112 | byte = 0xd0+i; |
| 113 | vec_add1(hw_address, byte); |
| 114 | } |
| 115 | |
| 116 | for (i = 0; i < ninterfaces; i++) |
| 117 | { |
| 118 | hw_address[5] = i; |
| 119 | |
| 120 | error = ethernet_register_interface(vnet_get_main(), |
| 121 | test_interface_device_class.index, |
| 122 | i /* instance */, |
| 123 | hw_address, |
| 124 | &tm->hw_if_indicies[i], |
| 125 | /* flag change */ 0); |
| 126 | |
| 127 | BIER_TEST((NULL == error), "ADD interface %d", i); |
| 128 | |
| 129 | tm->hw[i] = vnet_get_hw_interface(vnet_get_main(), |
| 130 | tm->hw_if_indicies[i]); |
| 131 | vec_validate (ip4_main.fib_index_by_sw_if_index, tm->hw[i]->sw_if_index); |
| 132 | vec_validate (ip6_main.fib_index_by_sw_if_index, tm->hw[i]->sw_if_index); |
| 133 | ip4_main.fib_index_by_sw_if_index[tm->hw[i]->sw_if_index] = 0; |
| 134 | ip6_main.fib_index_by_sw_if_index[tm->hw[i]->sw_if_index] = 0; |
| 135 | error = vnet_sw_interface_set_flags(vnet_get_main(), |
| 136 | tm->hw[i]->sw_if_index, |
| 137 | VNET_SW_INTERFACE_FLAG_ADMIN_UP); |
| 138 | BIER_TEST((NULL == error), "UP interface %d", i); |
| 139 | } |
| 140 | /* |
| 141 | * re-eval after the inevitable realloc |
| 142 | */ |
| 143 | for (i = 0; i < ninterfaces; i++) |
| 144 | { |
| 145 | tm->hw[i] = vnet_get_hw_interface(vnet_get_main(), |
| 146 | tm->hw_if_indicies[i]); |
| 147 | } |
| 148 | |
| 149 | return (0); |
| 150 | } |
| 151 | |
| 152 | #define BIER_TEST_LB(_cond, _comment, _args...) \ |
| 153 | { \ |
| 154 | if (!BIER_TEST_I(_cond, _comment, ##_args)) { \ |
| 155 | return (0); \ |
| 156 | } \ |
| 157 | } |
| 158 | |
| 159 | static int |
| 160 | bier_test_validate_entry (index_t bei, |
| 161 | u16 n_buckets, |
| 162 | ...) |
| 163 | { |
| 164 | dpo_id_t dpo = DPO_INVALID; |
| 165 | const load_balance_t *lb; |
| 166 | va_list ap; |
| 167 | int res; |
| 168 | |
| 169 | va_start(ap, n_buckets); |
| 170 | |
| 171 | bier_entry_contribute_forwarding(bei, &dpo); |
| 172 | |
Neale Ranns | 765b82b | 2017-12-10 05:32:31 -0800 | [diff] [blame] | 173 | res = BIER_TEST_I((DPO_LOAD_BALANCE == dpo.dpoi_type), |
| 174 | "Entry links to %U", |
| 175 | format_dpo_type, dpo.dpoi_type); |
Neale Ranns | d792d9c | 2017-10-21 10:53:20 -0700 | [diff] [blame] | 176 | |
Neale Ranns | 765b82b | 2017-12-10 05:32:31 -0800 | [diff] [blame] | 177 | if (res) |
| 178 | { |
| 179 | lb = load_balance_get(dpo.dpoi_index); |
| 180 | res = fib_test_validate_lb_v(lb, n_buckets, &ap); |
| 181 | } |
Neale Ranns | d792d9c | 2017-10-21 10:53:20 -0700 | [diff] [blame] | 182 | |
| 183 | dpo_reset(&dpo); |
Neale Ranns | d792d9c | 2017-10-21 10:53:20 -0700 | [diff] [blame] | 184 | va_end(ap); |
| 185 | |
| 186 | return (res); |
| 187 | } |
| 188 | |
| 189 | static int |
| 190 | bier_test_mpls_spf (void) |
| 191 | { |
| 192 | fib_node_index_t lfei, fei, bti; |
| 193 | u32 mpls_fib_index; |
| 194 | test_main_t *tm; |
| 195 | int lb_count; |
| 196 | |
| 197 | lb_count = pool_elts(load_balance_pool); |
| 198 | tm = &test_main; |
| 199 | #define N_BIER_ECMP_TABLES 16 |
| 200 | int ii; |
| 201 | |
| 202 | /* |
| 203 | * Add the BIER Main table |
| 204 | */ |
| 205 | const bier_table_id_t bt_0_0_0_256 = { |
| 206 | .bti_set = 0, |
| 207 | .bti_sub_domain = 0, |
| 208 | .bti_hdr_len = BIER_HDR_LEN_256, |
| 209 | .bti_type = BIER_TABLE_MPLS_SPF, |
| 210 | .bti_ecmp = BIER_ECMP_TABLE_ID_MAIN, |
| 211 | }; |
| 212 | |
| 213 | bti = bier_table_add_or_lock(&bt_0_0_0_256, 1600); |
| 214 | |
| 215 | fib_test_lb_bucket_t l_o_bt[N_BIER_ECMP_TABLES]; |
| 216 | bier_table_id_t bt_ecmp_0_0_0_256 = bt_0_0_0_256; |
| 217 | |
| 218 | for (ii = 0; ii < N_BIER_ECMP_TABLES; ii++) |
| 219 | { |
| 220 | bt_ecmp_0_0_0_256.bti_ecmp = ii; |
| 221 | |
| 222 | l_o_bt[ii].type = FT_LB_BIER_TABLE; |
| 223 | l_o_bt[ii].bier.table = |
| 224 | bier_table_ecmp_create_and_lock(&bt_ecmp_0_0_0_256); |
| 225 | }; |
| 226 | const fib_prefix_t pfx_1600_neos = { |
| 227 | .fp_len = 21, |
| 228 | .fp_proto = FIB_PROTOCOL_MPLS, |
| 229 | .fp_label = 1600, |
| 230 | .fp_eos = MPLS_NON_EOS, |
| 231 | .fp_payload_proto = DPO_PROTO_BIER, |
| 232 | }; |
| 233 | const fib_prefix_t pfx_1600_eos = { |
| 234 | .fp_len = 21, |
| 235 | .fp_proto = FIB_PROTOCOL_MPLS, |
| 236 | .fp_label = 1600, |
| 237 | .fp_eos = MPLS_EOS, |
| 238 | .fp_payload_proto = DPO_PROTO_BIER, |
| 239 | }; |
| 240 | |
| 241 | mpls_fib_index = fib_table_find(FIB_PROTOCOL_MPLS, |
| 242 | MPLS_FIB_DEFAULT_TABLE_ID); |
| 243 | |
| 244 | lfei = fib_table_lookup(mpls_fib_index, &pfx_1600_neos); |
| 245 | BIER_TEST(FIB_NODE_INDEX_INVALID == lfei, "1600/0 is not present"); |
| 246 | |
| 247 | lfei = fib_table_lookup(mpls_fib_index, &pfx_1600_eos); |
| 248 | BIER_TEST(fib_test_validate_entry(lfei, FIB_FORW_CHAIN_TYPE_MPLS_EOS, |
| 249 | 16, |
| 250 | &l_o_bt[0], |
| 251 | &l_o_bt[1], |
| 252 | &l_o_bt[2], |
| 253 | &l_o_bt[3], |
| 254 | &l_o_bt[4], |
| 255 | &l_o_bt[5], |
| 256 | &l_o_bt[6], |
| 257 | &l_o_bt[7], |
| 258 | &l_o_bt[8], |
| 259 | &l_o_bt[9], |
| 260 | &l_o_bt[10], |
| 261 | &l_o_bt[11], |
| 262 | &l_o_bt[12], |
| 263 | &l_o_bt[13], |
| 264 | &l_o_bt[14], |
| 265 | &l_o_bt[15]), |
| 266 | "1600/1 LB stacks on BIER table %d", bti); |
| 267 | |
| 268 | /* |
| 269 | * modify the table's local label - keep the lock count accurate |
| 270 | */ |
| 271 | const fib_prefix_t pfx_1601_eos = { |
| 272 | .fp_len = 21, |
| 273 | .fp_proto = FIB_PROTOCOL_MPLS, |
| 274 | .fp_label = 1601, |
| 275 | .fp_eos = MPLS_EOS, |
| 276 | .fp_payload_proto = DPO_PROTO_BIER, |
| 277 | }; |
| 278 | bti = bier_table_add_or_lock(&bt_0_0_0_256, 1601); |
| 279 | bier_table_unlock(&bt_0_0_0_256); |
| 280 | |
| 281 | lfei = fib_table_lookup(mpls_fib_index, &pfx_1600_eos); |
| 282 | BIER_TEST(FIB_NODE_INDEX_INVALID == lfei, "1600/1 is deleted"); |
| 283 | |
| 284 | lfei = fib_table_lookup(mpls_fib_index, &pfx_1601_eos); |
| 285 | BIER_TEST(fib_test_validate_entry(lfei, FIB_FORW_CHAIN_TYPE_MPLS_EOS, |
| 286 | 16, |
| 287 | &l_o_bt[0], |
| 288 | &l_o_bt[1], |
| 289 | &l_o_bt[2], |
| 290 | &l_o_bt[3], |
| 291 | &l_o_bt[4], |
| 292 | &l_o_bt[5], |
| 293 | &l_o_bt[6], |
| 294 | &l_o_bt[7], |
| 295 | &l_o_bt[8], |
| 296 | &l_o_bt[9], |
| 297 | &l_o_bt[10], |
| 298 | &l_o_bt[11], |
| 299 | &l_o_bt[12], |
| 300 | &l_o_bt[13], |
| 301 | &l_o_bt[14], |
| 302 | &l_o_bt[15]), |
| 303 | "1601/1 LB stacks on BIER table %d", bti); |
| 304 | |
| 305 | /* |
| 306 | * add a route to the table. the via IP route does not exist. |
| 307 | */ |
| 308 | const ip46_address_t nh_1_1_1_1 = { |
| 309 | .ip4 = { |
| 310 | .as_u32 = clib_host_to_net_u32(0x01010101), |
| 311 | }, |
| 312 | }; |
Neale Ranns | f051072 | 2018-01-31 11:35:41 -0800 | [diff] [blame^] | 313 | fib_route_path_t *paths_1_1_1_1 = NULL, *input_paths_1_1_1_1; |
Neale Ranns | d792d9c | 2017-10-21 10:53:20 -0700 | [diff] [blame] | 314 | fib_route_path_t path_1_1_1_1 = { |
| 315 | .frp_addr = nh_1_1_1_1, |
| 316 | .frp_bier_fib_index = bti, |
Neale Ranns | 9128637 | 2017-12-05 13:24:04 -0800 | [diff] [blame] | 317 | .frp_sw_if_index = ~0, |
Neale Ranns | d792d9c | 2017-10-21 10:53:20 -0700 | [diff] [blame] | 318 | }; |
| 319 | vec_add1(path_1_1_1_1.frp_label_stack, 500); |
| 320 | vec_add1(paths_1_1_1_1, path_1_1_1_1); |
| 321 | const fib_prefix_t pfx_1_1_1_1_s_32 = { |
| 322 | .fp_addr = nh_1_1_1_1, |
| 323 | .fp_len = 32, |
| 324 | .fp_proto = FIB_PROTOCOL_IP4, |
| 325 | }; |
Neale Ranns | d792d9c | 2017-10-21 10:53:20 -0700 | [diff] [blame] | 326 | index_t bei_1; |
| 327 | |
Neale Ranns | f051072 | 2018-01-31 11:35:41 -0800 | [diff] [blame^] | 328 | input_paths_1_1_1_1 = vec_dup(paths_1_1_1_1); |
| 329 | bier_table_route_add(&bt_0_0_0_256, 1, input_paths_1_1_1_1); |
Neale Ranns | d792d9c | 2017-10-21 10:53:20 -0700 | [diff] [blame] | 330 | bei_1 = bier_table_lookup(bier_table_get(bti), 1); |
| 331 | |
| 332 | BIER_TEST((INDEX_INVALID != bei_1), "BP:1 present"); |
| 333 | |
| 334 | /* |
| 335 | * the newly created fmask should stack on the non-eos chain |
| 336 | * of the via-fib-entry |
| 337 | */ |
| 338 | dpo_id_t neos_dpo_1_1_1_1 = DPO_INVALID; |
| 339 | bier_fmask_t *bfm_1_1_1_1; |
| 340 | index_t bfmi_1_1_1_1; |
| 341 | |
| 342 | fei = fib_table_lookup_exact_match(0, &pfx_1_1_1_1_s_32); |
| 343 | fib_entry_contribute_forwarding(fei, |
| 344 | FIB_FORW_CHAIN_TYPE_MPLS_NON_EOS, |
| 345 | &neos_dpo_1_1_1_1); |
| 346 | |
Neale Ranns | 9128637 | 2017-12-05 13:24:04 -0800 | [diff] [blame] | 347 | bfmi_1_1_1_1 = bier_fmask_db_find(bti, &path_1_1_1_1); |
Neale Ranns | d792d9c | 2017-10-21 10:53:20 -0700 | [diff] [blame] | 348 | bfm_1_1_1_1 = bier_fmask_get(bfmi_1_1_1_1); |
| 349 | |
Neale Ranns | 9128637 | 2017-12-05 13:24:04 -0800 | [diff] [blame] | 350 | BIER_TEST(!dpo_cmp(drop_dpo_get(DPO_PROTO_MPLS), |
| 351 | &bfm_1_1_1_1->bfm_dpo), |
| 352 | "Fmask via 1.1.1.1 stacks on MPLS drop"); |
Neale Ranns | d792d9c | 2017-10-21 10:53:20 -0700 | [diff] [blame] | 353 | |
| 354 | /* |
| 355 | * The BIER entry should stack on the forwarding chain of the fmask |
| 356 | */ |
| 357 | const fib_test_lb_bucket_t dpo_o_bfm_1_1_1_1 = { |
| 358 | .type = FT_LB_BIER_FMASK, |
| 359 | .bier = { |
| 360 | .fmask = bfmi_1_1_1_1, |
| 361 | }, |
| 362 | }; |
Neale Ranns | 9128637 | 2017-12-05 13:24:04 -0800 | [diff] [blame] | 363 | dpo_id_t dpo_bei = DPO_INVALID; |
| 364 | bier_entry_contribute_forwarding(bei_1, &dpo_bei); |
| 365 | |
| 366 | BIER_TEST(!dpo_cmp(&dpo_bei, drop_dpo_get(DPO_PROTO_BIER)), |
| 367 | "BP:1 stacks on bier drop"); |
Neale Ranns | d792d9c | 2017-10-21 10:53:20 -0700 | [diff] [blame] | 368 | |
| 369 | /* |
| 370 | * give 1.1.1.1/32 a path and hence a interesting n-eos chain |
| 371 | */ |
| 372 | ip46_address_t nh_10_10_10_1 = { |
| 373 | .ip4 = { |
| 374 | .as_u32 = clib_host_to_net_u32(0x0a0a0a01), |
| 375 | }, |
| 376 | }; |
| 377 | adj_index_t ai_mpls_10_10_10_1; |
| 378 | ai_mpls_10_10_10_1 = adj_nbr_add_or_lock(FIB_PROTOCOL_IP4, |
| 379 | VNET_LINK_MPLS, |
| 380 | &nh_10_10_10_1, |
| 381 | tm->hw[0]->sw_if_index); |
| 382 | |
| 383 | fib_test_lb_bucket_t bucket_neos_99_via_10_10_10_1 = { |
| 384 | .type = FT_LB_LABEL_O_ADJ, |
| 385 | .label_o_adj = { |
| 386 | .label = 99, |
| 387 | .eos = MPLS_NON_EOS, |
| 388 | .adj = ai_mpls_10_10_10_1, |
| 389 | .ttl = 255, |
| 390 | }, |
| 391 | }; |
| 392 | mpls_label_t *out_lbl_99 = NULL; |
| 393 | vec_add1(out_lbl_99, 99); |
| 394 | |
| 395 | fei = fib_table_entry_update_one_path(0, |
| 396 | &pfx_1_1_1_1_s_32, |
| 397 | FIB_SOURCE_API, |
| 398 | FIB_ENTRY_FLAG_NONE, |
| 399 | DPO_PROTO_IP4, |
| 400 | &nh_10_10_10_1, |
| 401 | tm->hw[0]->sw_if_index, |
| 402 | ~0, // invalid fib index |
| 403 | 1, |
| 404 | out_lbl_99, |
| 405 | FIB_ROUTE_PATH_FLAG_NONE); |
| 406 | fib_entry_contribute_forwarding(fei, |
| 407 | FIB_FORW_CHAIN_TYPE_MPLS_NON_EOS, |
| 408 | &neos_dpo_1_1_1_1); |
| 409 | BIER_TEST(fib_test_validate_lb(&neos_dpo_1_1_1_1, 1, |
| 410 | &bucket_neos_99_via_10_10_10_1), |
| 411 | "1.1.1.1/32 n-eos LB 1 buckets via: 99 + 10.10.10.1"); |
| 412 | BIER_TEST(!dpo_cmp(&neos_dpo_1_1_1_1, |
| 413 | &bfm_1_1_1_1->bfm_dpo), |
| 414 | "Fmask via 1.1.1.1 stacks on updated non-eos of 1.1.1.1/32"); |
Neale Ranns | 9128637 | 2017-12-05 13:24:04 -0800 | [diff] [blame] | 415 | bier_entry_contribute_forwarding(bei_1, &dpo_bei); |
| 416 | BIER_TEST((dpo_bei.dpoi_index == bfmi_1_1_1_1), |
Neale Ranns | d792d9c | 2017-10-21 10:53:20 -0700 | [diff] [blame] | 417 | "BP:1 stacks on fmask 1.1.1.1"); |
| 418 | |
| 419 | /* |
| 420 | * add another path to the via entry. |
| 421 | * this makes the via-entry instantiate a new load-balance with |
| 422 | * 2 buckets. and the back-walk to the BIER entry will need to |
| 423 | * re-stack on it. |
| 424 | */ |
| 425 | ip46_address_t nh_10_10_10_2 = { |
| 426 | .ip4 = { |
| 427 | .as_u32 = clib_host_to_net_u32(0x0a0a0a02), |
| 428 | }, |
| 429 | }; |
| 430 | adj_index_t ai_mpls_10_10_10_2; |
| 431 | |
| 432 | ai_mpls_10_10_10_2 = adj_nbr_add_or_lock(FIB_PROTOCOL_IP4, |
| 433 | VNET_LINK_MPLS, |
| 434 | &nh_10_10_10_2, |
| 435 | tm->hw[0]->sw_if_index); |
| 436 | |
| 437 | fib_test_lb_bucket_t bucket_neos_100_via_10_10_10_2 = { |
| 438 | .type = FT_LB_LABEL_O_ADJ, |
| 439 | .label_o_adj = { |
| 440 | .label = 100, |
| 441 | .eos = MPLS_NON_EOS, |
| 442 | .adj = ai_mpls_10_10_10_2, |
| 443 | .ttl = 255, |
| 444 | }, |
| 445 | }; |
| 446 | mpls_label_t *out_lbl_100 = NULL; |
| 447 | vec_add1(out_lbl_100, 100); |
| 448 | |
| 449 | fei = fib_table_entry_path_add(0, |
| 450 | &pfx_1_1_1_1_s_32, |
| 451 | FIB_SOURCE_API, |
| 452 | FIB_ENTRY_FLAG_NONE, |
| 453 | DPO_PROTO_IP4, |
| 454 | &nh_10_10_10_2, |
| 455 | tm->hw[0]->sw_if_index, |
| 456 | ~0, // invalid fib index |
| 457 | 1, |
| 458 | out_lbl_100, |
| 459 | FIB_ROUTE_PATH_FLAG_NONE); |
| 460 | |
| 461 | fib_entry_contribute_forwarding(fei, |
| 462 | FIB_FORW_CHAIN_TYPE_MPLS_NON_EOS, |
| 463 | &neos_dpo_1_1_1_1); |
| 464 | BIER_TEST(fib_test_validate_lb(&neos_dpo_1_1_1_1, 2, |
| 465 | &bucket_neos_99_via_10_10_10_1, |
| 466 | &bucket_neos_100_via_10_10_10_2), |
| 467 | "1.1.1.1/32 n-eos LB 2 buckets " |
| 468 | "via: 99 + 10.10.10.1, " |
| 469 | "via: 100 + 10.10.10.2"); |
| 470 | BIER_TEST(!dpo_cmp(&neos_dpo_1_1_1_1, |
| 471 | &bfm_1_1_1_1->bfm_dpo), |
| 472 | "Fmask via 1.1.1.1 stacks on updated non-eos of 1.1.1.1/32"); |
| 473 | |
| 474 | /* |
| 475 | * add another bier bit-position via the same next-hop |
| 476 | * since its the same next hop, the two bit-positions should link |
| 477 | * to the same fmask |
| 478 | */ |
| 479 | index_t bei_2; |
| 480 | |
Neale Ranns | f051072 | 2018-01-31 11:35:41 -0800 | [diff] [blame^] | 481 | input_paths_1_1_1_1 = vec_dup(paths_1_1_1_1); |
| 482 | bier_table_route_add(&bt_0_0_0_256, 2, input_paths_1_1_1_1); |
Neale Ranns | d792d9c | 2017-10-21 10:53:20 -0700 | [diff] [blame] | 483 | bei_2 = bier_table_lookup(bier_table_get(bti), 2); |
| 484 | |
Neale Ranns | 9128637 | 2017-12-05 13:24:04 -0800 | [diff] [blame] | 485 | bier_entry_contribute_forwarding(bei_2, &dpo_bei); |
| 486 | BIER_TEST((dpo_bei.dpoi_index == bfmi_1_1_1_1), |
| 487 | "BP:2 stacks on fmask 1.1.1.1"); |
Neale Ranns | d792d9c | 2017-10-21 10:53:20 -0700 | [diff] [blame] | 488 | |
| 489 | /* |
| 490 | * now add a bit-position via a different next hop and expect to |
| 491 | * link via a different fmask |
| 492 | */ |
| 493 | const ip46_address_t nh_1_1_1_2 = { |
| 494 | .ip4 = { |
| 495 | .as_u32 = clib_host_to_net_u32(0x01010102), |
| 496 | }, |
| 497 | }; |
| 498 | const fib_prefix_t pfx_1_1_1_2_s_32 = { |
| 499 | .fp_addr = nh_1_1_1_2, |
| 500 | .fp_len = 32, |
| 501 | .fp_proto = FIB_PROTOCOL_IP4, |
| 502 | }; |
Neale Ranns | f051072 | 2018-01-31 11:35:41 -0800 | [diff] [blame^] | 503 | fib_route_path_t *paths_1_1_1_2 = NULL, *input_paths_1_1_1_2, path_1_1_1_2 = { |
Neale Ranns | d792d9c | 2017-10-21 10:53:20 -0700 | [diff] [blame] | 504 | .frp_addr = nh_1_1_1_2, |
| 505 | .frp_bier_fib_index = bti, |
Neale Ranns | 9128637 | 2017-12-05 13:24:04 -0800 | [diff] [blame] | 506 | .frp_sw_if_index = ~0, |
Neale Ranns | d792d9c | 2017-10-21 10:53:20 -0700 | [diff] [blame] | 507 | }; |
| 508 | vec_add1(path_1_1_1_2.frp_label_stack, 501); |
| 509 | vec_add1(paths_1_1_1_2, path_1_1_1_2); |
Neale Ranns | f051072 | 2018-01-31 11:35:41 -0800 | [diff] [blame^] | 510 | input_paths_1_1_1_2 = vec_dup(paths_1_1_1_2); |
Neale Ranns | d792d9c | 2017-10-21 10:53:20 -0700 | [diff] [blame] | 511 | index_t bei_3; |
| 512 | |
| 513 | mpls_label_t *out_lbl_101 = NULL; |
| 514 | vec_add1(out_lbl_101, 101); |
| 515 | fei = fib_table_entry_path_add(0, |
| 516 | &pfx_1_1_1_2_s_32, |
| 517 | FIB_SOURCE_API, |
| 518 | FIB_ENTRY_FLAG_NONE, |
| 519 | DPO_PROTO_IP4, |
| 520 | &nh_10_10_10_2, |
| 521 | tm->hw[0]->sw_if_index, |
| 522 | ~0, // invalid fib index |
| 523 | 1, |
| 524 | out_lbl_101, |
| 525 | FIB_ROUTE_PATH_FLAG_NONE); |
Neale Ranns | f051072 | 2018-01-31 11:35:41 -0800 | [diff] [blame^] | 526 | bier_table_route_add(&bt_0_0_0_256, 3, input_paths_1_1_1_2); |
Neale Ranns | d792d9c | 2017-10-21 10:53:20 -0700 | [diff] [blame] | 527 | bei_3 = bier_table_lookup(bier_table_get(bti), 3); |
| 528 | |
| 529 | BIER_TEST((INDEX_INVALID != bei_3), "BP:3 present"); |
| 530 | |
| 531 | /* |
| 532 | * the newly created fmask should stack on the non-eos chain |
| 533 | * of the via-fib-entry |
| 534 | */ |
| 535 | dpo_id_t neos_dpo_1_1_1_2 = DPO_INVALID; |
| 536 | bier_fmask_t *bfm_1_1_1_2; |
| 537 | index_t bfmi_1_1_1_2; |
| 538 | |
| 539 | fei = fib_table_lookup_exact_match(0, &pfx_1_1_1_2_s_32); |
| 540 | fib_entry_contribute_forwarding(fei, |
| 541 | FIB_FORW_CHAIN_TYPE_MPLS_NON_EOS, |
| 542 | &neos_dpo_1_1_1_2); |
| 543 | |
Neale Ranns | 9128637 | 2017-12-05 13:24:04 -0800 | [diff] [blame] | 544 | bfmi_1_1_1_2 = bier_fmask_db_find(bti, &path_1_1_1_2); |
Neale Ranns | d792d9c | 2017-10-21 10:53:20 -0700 | [diff] [blame] | 545 | bfm_1_1_1_2 = bier_fmask_get(bfmi_1_1_1_2); |
| 546 | |
| 547 | BIER_TEST(!dpo_cmp(&neos_dpo_1_1_1_2, |
| 548 | &bfm_1_1_1_2->bfm_dpo), |
| 549 | "Fmask via 1.1.1.2 stacks on non-eos of 1.1.1.2/32"); |
| 550 | |
| 551 | /* |
| 552 | * The BIER entry should stack on the forwarding chain of the fmask |
| 553 | */ |
| 554 | const fib_test_lb_bucket_t dpo_o_bfm_1_1_1_2 = { |
| 555 | .type = FT_LB_BIER_FMASK, |
| 556 | .bier = { |
| 557 | .fmask = bfmi_1_1_1_2, |
| 558 | }, |
| 559 | }; |
Neale Ranns | 9128637 | 2017-12-05 13:24:04 -0800 | [diff] [blame] | 560 | bier_entry_contribute_forwarding(bei_3, &dpo_bei); |
| 561 | BIER_TEST((dpo_bei.dpoi_index == bfmi_1_1_1_2), |
| 562 | "BP:2 stacks on fmask 1.1.1.2"); |
Neale Ranns | d792d9c | 2017-10-21 10:53:20 -0700 | [diff] [blame] | 563 | |
| 564 | /* |
| 565 | * Load-balance BP:3 over both next-hops |
| 566 | */ |
Neale Ranns | 9128637 | 2017-12-05 13:24:04 -0800 | [diff] [blame] | 567 | paths_1_1_1_1[0] = path_1_1_1_1; |
Neale Ranns | f051072 | 2018-01-31 11:35:41 -0800 | [diff] [blame^] | 568 | input_paths_1_1_1_1 = vec_dup(paths_1_1_1_1); |
| 569 | bier_table_route_add(&bt_0_0_0_256, 3, input_paths_1_1_1_1); |
Neale Ranns | d792d9c | 2017-10-21 10:53:20 -0700 | [diff] [blame] | 570 | |
| 571 | BIER_TEST(bier_test_validate_entry(bei_3, 2, |
| 572 | &dpo_o_bfm_1_1_1_1, |
| 573 | &dpo_o_bfm_1_1_1_2), |
| 574 | "BP:3 stacks on fmask 1.1.1.2 & 1.1.1.1"); |
| 575 | |
| 576 | /* |
| 577 | * test that the ECMP choices for BP:3 have been spread over the |
| 578 | * ECMP tables |
| 579 | */ |
| 580 | BIER_TEST((bier_table_fwd_lookup(bier_table_get(l_o_bt[0].bier.table), 3) == |
| 581 | bfmi_1_1_1_1), |
| 582 | "fwd lookup for BP:3 ECMP:0 is 1.1.1.1"); |
| 583 | BIER_TEST((bier_table_fwd_lookup(bier_table_get(l_o_bt[1].bier.table), 3) == |
| 584 | bfmi_1_1_1_2), |
| 585 | "fwd lookup for BP:3 ECMP:1 is 1.1.1.2"); |
| 586 | |
| 587 | /* |
| 588 | * Withdraw one of the via FIB and thus bring down the fmask |
Neale Ranns | 9128637 | 2017-12-05 13:24:04 -0800 | [diff] [blame] | 589 | * expect the bier-entry forwarding to remove this from the set |
Neale Ranns | d792d9c | 2017-10-21 10:53:20 -0700 | [diff] [blame] | 590 | */ |
| 591 | fib_table_entry_delete(0, &pfx_1_1_1_2_s_32, FIB_SOURCE_API); |
| 592 | |
Neale Ranns | 9128637 | 2017-12-05 13:24:04 -0800 | [diff] [blame] | 593 | bier_entry_contribute_forwarding(bei_3, &dpo_bei); |
| 594 | BIER_TEST((dpo_bei.dpoi_index == bfmi_1_1_1_1), |
| 595 | "BP:3 stacks on fmask 1.1.1.1"); |
Neale Ranns | d792d9c | 2017-10-21 10:53:20 -0700 | [diff] [blame] | 596 | |
| 597 | BIER_TEST((bier_table_fwd_lookup(bier_table_get(l_o_bt[0].bier.table), 3) == |
| 598 | bfmi_1_1_1_1), |
| 599 | "fwd lookup for BP:3 ECMP:0 is 1.1.1.1"); |
| 600 | BIER_TEST((bier_table_fwd_lookup(bier_table_get(l_o_bt[1].bier.table), 3) == |
| 601 | bfmi_1_1_1_1), |
| 602 | "fwd lookup for BP:3 ECMP:1 is 1.1.1.1"); |
| 603 | |
| 604 | /* |
| 605 | * add the via back |
| 606 | */ |
| 607 | out_lbl_101 = NULL; |
| 608 | vec_add1(out_lbl_101, 101); |
| 609 | fei = fib_table_entry_path_add(0, |
| 610 | &pfx_1_1_1_2_s_32, |
| 611 | FIB_SOURCE_API, |
| 612 | FIB_ENTRY_FLAG_NONE, |
| 613 | DPO_PROTO_IP4, |
| 614 | &nh_10_10_10_2, |
| 615 | tm->hw[0]->sw_if_index, |
| 616 | ~0, // invalid fib index |
| 617 | 1, |
| 618 | out_lbl_101, |
| 619 | FIB_ROUTE_PATH_FLAG_NONE); |
| 620 | /* suspend so the update walk kicks int */ |
| 621 | vlib_process_suspend(vlib_get_main(), 1e-5); |
| 622 | |
| 623 | BIER_TEST(bier_test_validate_entry(bei_3, 2, |
| 624 | &dpo_o_bfm_1_1_1_1, |
| 625 | &dpo_o_bfm_1_1_1_2), |
| 626 | "BP:3 stacks on fmask 1.1.1.2 & 1.1.1.1"); |
| 627 | BIER_TEST((bier_table_fwd_lookup(bier_table_get(l_o_bt[0].bier.table), 3) == |
| 628 | bfmi_1_1_1_1), |
| 629 | "fwd lookup for BP:3 ECMP:0 is 1.1.1.1"); |
| 630 | BIER_TEST((bier_table_fwd_lookup(bier_table_get(l_o_bt[1].bier.table), 3) == |
| 631 | bfmi_1_1_1_2), |
| 632 | "fwd lookup for BP:3 ECMP:1 is 1.1.1.2"); |
| 633 | |
| 634 | /* |
| 635 | * remove the original 1.1.1.2 fmask from BP:3 |
| 636 | */ |
Neale Ranns | f051072 | 2018-01-31 11:35:41 -0800 | [diff] [blame^] | 637 | input_paths_1_1_1_2 = vec_dup(paths_1_1_1_2); |
| 638 | bier_table_route_remove(&bt_0_0_0_256, 3, input_paths_1_1_1_2); |
Neale Ranns | 9128637 | 2017-12-05 13:24:04 -0800 | [diff] [blame] | 639 | bier_entry_contribute_forwarding(bei_3, &dpo_bei); |
| 640 | BIER_TEST((dpo_bei.dpoi_index == bfmi_1_1_1_1), |
Neale Ranns | d792d9c | 2017-10-21 10:53:20 -0700 | [diff] [blame] | 641 | "BP:3 stacks on fmask 1.1.1.1"); |
Neale Ranns | 9128637 | 2017-12-05 13:24:04 -0800 | [diff] [blame] | 642 | |
Neale Ranns | d792d9c | 2017-10-21 10:53:20 -0700 | [diff] [blame] | 643 | /* |
| 644 | * test that the ECMP choices for BP:3 have been updated |
| 645 | */ |
| 646 | BIER_TEST((bier_table_fwd_lookup(bier_table_get(l_o_bt[0].bier.table), 3) == |
| 647 | bfmi_1_1_1_1), |
| 648 | "fwd lookup for BP:3 ECMP:0 is 1.1.1.1"); |
| 649 | BIER_TEST((bier_table_fwd_lookup(bier_table_get(l_o_bt[1].bier.table), 3) == |
| 650 | bfmi_1_1_1_1), |
| 651 | "fwd lookup for BP:3 ECMP:1 is 1.1.1.1"); |
| 652 | |
| 653 | /* |
| 654 | * remove the routes added |
| 655 | */ |
Neale Ranns | f051072 | 2018-01-31 11:35:41 -0800 | [diff] [blame^] | 656 | input_paths_1_1_1_1 = vec_dup(paths_1_1_1_1); |
| 657 | bier_table_route_remove(&bt_0_0_0_256, 2, input_paths_1_1_1_1); |
| 658 | input_paths_1_1_1_2 = vec_dup(paths_1_1_1_2); |
| 659 | bier_table_route_remove(&bt_0_0_0_256, 3, input_paths_1_1_1_2); |
| 660 | input_paths_1_1_1_1 = vec_dup(paths_1_1_1_1); |
| 661 | bier_table_route_remove(&bt_0_0_0_256, 3, input_paths_1_1_1_1); |
| 662 | input_paths_1_1_1_1 = vec_dup(paths_1_1_1_1); |
| 663 | bier_table_route_remove(&bt_0_0_0_256, 1, input_paths_1_1_1_1); |
Neale Ranns | d792d9c | 2017-10-21 10:53:20 -0700 | [diff] [blame] | 664 | |
Neale Ranns | d792d9c | 2017-10-21 10:53:20 -0700 | [diff] [blame] | 665 | /* |
| 666 | * delete the table |
| 667 | */ |
| 668 | bier_table_unlock(&bt_0_0_0_256); |
| 669 | |
| 670 | /* |
| 671 | * test resources are freed |
| 672 | */ |
Neale Ranns | 9128637 | 2017-12-05 13:24:04 -0800 | [diff] [blame] | 673 | dpo_reset(&dpo_bei); |
Neale Ranns | d792d9c | 2017-10-21 10:53:20 -0700 | [diff] [blame] | 674 | for (ii = 0; ii < N_BIER_ECMP_TABLES; ii++) |
| 675 | { |
| 676 | bier_table_ecmp_unlock(l_o_bt[ii].bier.table); |
| 677 | }; |
| 678 | BIER_TEST(0 == pool_elts(bier_table_pool), "BIER table pool empty"); |
| 679 | BIER_TEST(0 == pool_elts(bier_fmask_pool), "BIER fmask pool empty"); |
| 680 | BIER_TEST(0 == pool_elts(bier_entry_pool), "BIER entry pool empty"); |
| 681 | |
| 682 | adj_unlock(ai_mpls_10_10_10_1); |
| 683 | adj_unlock(ai_mpls_10_10_10_2); |
| 684 | dpo_reset(&neos_dpo_1_1_1_1); |
| 685 | dpo_reset(&neos_dpo_1_1_1_2); |
| 686 | fib_table_entry_delete(0, &pfx_1_1_1_1_s_32, FIB_SOURCE_API); |
| 687 | fib_table_entry_delete(0, &pfx_1_1_1_2_s_32, FIB_SOURCE_API); |
| 688 | |
| 689 | /* +1 to account for the one time alloc'd drop LB in the MPLS fibs */ |
| 690 | BIER_TEST(lb_count+1 == pool_elts(load_balance_pool), |
| 691 | "Load-balance resources freed "); |
| 692 | BIER_TEST((0 == adj_nbr_db_size()), "ADJ DB size is %d", |
| 693 | adj_nbr_db_size()); |
| 694 | |
| 695 | vec_free(paths_1_1_1_1); |
| 696 | vec_free(paths_1_1_1_2); |
Neale Ranns | f051072 | 2018-01-31 11:35:41 -0800 | [diff] [blame^] | 697 | vec_free(input_paths_1_1_1_1); |
| 698 | vec_free(input_paths_1_1_1_2); |
Neale Ranns | d792d9c | 2017-10-21 10:53:20 -0700 | [diff] [blame] | 699 | |
| 700 | return (0); |
| 701 | } |
| 702 | |
| 703 | static int |
| 704 | bier_test_mpls_imp (void) |
| 705 | { |
| 706 | fib_node_index_t bii; |
| 707 | /* test_main_t *tm; */ |
| 708 | |
| 709 | /* tm = &test_main; */ |
| 710 | |
| 711 | /* |
| 712 | * Add the BIER Main table |
| 713 | */ |
| 714 | const bier_table_id_t bt_0_0_0_256 = { |
| 715 | .bti_set = 0, |
| 716 | .bti_sub_domain = 0, |
| 717 | .bti_hdr_len = BIER_HDR_LEN_256, |
| 718 | .bti_type = BIER_TABLE_MPLS_SPF, |
| 719 | .bti_ecmp = BIER_ECMP_TABLE_ID_MAIN, |
| 720 | }; |
| 721 | |
| 722 | bier_table_add_or_lock(&bt_0_0_0_256, 1600); |
| 723 | |
| 724 | /* |
| 725 | * A bit-string for imp 1. |
| 726 | */ |
| 727 | bier_bit_string_t bbs_256; |
| 728 | u8 buckets[BIER_HDR_BUCKETS_256]; |
| 729 | memset(buckets, 0x5, BIER_HDR_BUCKETS_256); |
| 730 | |
| 731 | bier_bit_string_init(&bbs_256, BIER_HDR_LEN_256, buckets); |
| 732 | |
| 733 | bii = bier_imp_add_or_lock(&bt_0_0_0_256, 1, &bbs_256); |
| 734 | |
| 735 | /* |
| 736 | * An mfib entry that resolves via the BIER imposition |
| 737 | */ |
| 738 | const mfib_prefix_t pfx_1_1_1_1_c_239_1_1_1 = { |
| 739 | .fp_len = 64, |
| 740 | .fp_proto = FIB_PROTOCOL_IP4, |
| 741 | .fp_grp_addr = { |
| 742 | .ip4.as_u32 = clib_host_to_net_u32(0xef010101), |
| 743 | }, |
| 744 | .fp_src_addr = { |
| 745 | .ip4.as_u32 = clib_host_to_net_u32(0x01010101), |
| 746 | }, |
| 747 | }; |
| 748 | fib_route_path_t path_via_bier_imp_1 = { |
| 749 | .frp_proto = DPO_PROTO_BIER, |
| 750 | .frp_bier_imp = bii, |
| 751 | .frp_weight = 0, |
| 752 | .frp_flags = FIB_ROUTE_PATH_BIER_IMP, |
| 753 | }; |
| 754 | mfib_table_entry_path_update(0, // default table |
| 755 | &pfx_1_1_1_1_c_239_1_1_1 , |
| 756 | MFIB_SOURCE_API, |
| 757 | &path_via_bier_imp_1, |
| 758 | MFIB_ITF_FLAG_FORWARD); |
| 759 | mfib_table_entry_delete(0, |
| 760 | &pfx_1_1_1_1_c_239_1_1_1 , |
| 761 | MFIB_SOURCE_API); |
| 762 | |
| 763 | bier_imp_unlock(bii); |
| 764 | bier_table_unlock(&bt_0_0_0_256); |
| 765 | |
| 766 | BIER_TEST(0 == pool_elts(bier_imp_pool), |
| 767 | "BIER imposition resources freed "); |
| 768 | BIER_TEST(0 == pool_elts(bier_table_pool), |
| 769 | "BIER table resources freed "); |
| 770 | |
| 771 | return (0); |
| 772 | } |
| 773 | |
| 774 | static int |
| 775 | bier_test_mpls_disp (void) |
| 776 | { |
Neale Ranns | d792d9c | 2017-10-21 10:53:20 -0700 | [diff] [blame] | 777 | /* |
| 778 | * Add the BIER Main table |
| 779 | */ |
| 780 | const bier_table_id_t bt_0_0_0_256 = { |
| 781 | .bti_set = 0, |
| 782 | .bti_sub_domain = 0, |
| 783 | .bti_hdr_len = BIER_HDR_LEN_256, |
| 784 | .bti_type = BIER_TABLE_MPLS_SPF, |
| 785 | .bti_ecmp = BIER_ECMP_TABLE_ID_MAIN, |
| 786 | }; |
| 787 | index_t bti; |
| 788 | |
| 789 | bti = bier_table_add_or_lock(&bt_0_0_0_256, 1600); |
| 790 | |
| 791 | /* |
| 792 | * Add a BIER dispoition table |
| 793 | */ |
| 794 | const u32 bier_disp_tbl_id = 1; |
| 795 | index_t bdti1; |
| 796 | |
| 797 | bdti1 = bier_disp_table_add_or_lock(bier_disp_tbl_id); |
| 798 | |
| 799 | /* |
| 800 | * add a bit-poistion in the table that resolves via |
| 801 | * DISP table, i.e. a for-us bit-position |
| 802 | */ |
| 803 | fib_route_path_t *paths_via_disp = NULL, path_via_disp = { |
| 804 | // .frp_addr = all-zeros |
Neale Ranns | 9128637 | 2017-12-05 13:24:04 -0800 | [diff] [blame] | 805 | .frp_proto = DPO_PROTO_BIER, |
Neale Ranns | d792d9c | 2017-10-21 10:53:20 -0700 | [diff] [blame] | 806 | .frp_bier_fib_index = bdti1, |
Neale Ranns | 9128637 | 2017-12-05 13:24:04 -0800 | [diff] [blame] | 807 | .frp_sw_if_index = ~0, |
Neale Ranns | d792d9c | 2017-10-21 10:53:20 -0700 | [diff] [blame] | 808 | }; |
| 809 | vec_add1(paths_via_disp, path_via_disp); |
| 810 | |
| 811 | bier_table_route_add(&bt_0_0_0_256, 3, paths_via_disp); |
| 812 | |
| 813 | /* |
| 814 | * the fmask should stack on the BIER disp table |
| 815 | */ |
Neale Ranns | d792d9c | 2017-10-21 10:53:20 -0700 | [diff] [blame] | 816 | bier_fmask_t *bfm_0_0_0_0; |
| 817 | index_t bfmi_0_0_0_0; |
| 818 | dpo_id_t dpo_disp_tbl_1 = DPO_INVALID; |
| 819 | |
| 820 | bier_disp_table_contribute_forwarding(bdti1, &dpo_disp_tbl_1); |
| 821 | |
Neale Ranns | 9128637 | 2017-12-05 13:24:04 -0800 | [diff] [blame] | 822 | bfmi_0_0_0_0 = bier_fmask_db_find(bti, &path_via_disp); |
Neale Ranns | d792d9c | 2017-10-21 10:53:20 -0700 | [diff] [blame] | 823 | bfm_0_0_0_0 = bier_fmask_get(bfmi_0_0_0_0); |
| 824 | |
| 825 | BIER_TEST(!dpo_cmp(&dpo_disp_tbl_1, &bfm_0_0_0_0->bfm_dpo), |
| 826 | "Fmask via 0.0.0.0 stacks on BIER disp table 1"); |
| 827 | |
| 828 | /* |
| 829 | * and a deag entry into the disposition table |
| 830 | */ |
| 831 | fib_route_path_t *rpaths = NULL, path_via_mfib = { |
| 832 | .frp_proto = DPO_PROTO_IP4, |
| 833 | .frp_addr = zero_addr, |
| 834 | .frp_fib_index = 0, // default MFIB table |
| 835 | .frp_rpf_id = 9, // some non-zero value |
| 836 | .frp_flags = FIB_ROUTE_PATH_RPF_ID, |
| 837 | }; |
Neale Ranns | 93149bb | 2017-11-15 10:44:07 -0800 | [diff] [blame] | 838 | bier_hdr_src_id_t src = 99; |
Neale Ranns | d792d9c | 2017-10-21 10:53:20 -0700 | [diff] [blame] | 839 | vec_add1(rpaths, path_via_mfib); |
| 840 | bier_disp_table_entry_path_add(bier_disp_tbl_id, src, |
| 841 | BIER_HDR_PROTO_IPV4, rpaths); |
| 842 | |
| 843 | /* which should stack on a lookup in the mfib table */ |
Neale Ranns | d792d9c | 2017-10-21 10:53:20 -0700 | [diff] [blame] | 844 | const dpo_id_t *dpo_disp_entry_v4; |
| 845 | bier_disp_entry_t *bde_99; |
| 846 | index_t bdei; |
| 847 | |
| 848 | bdei = bier_disp_table_lookup(bdti1, clib_host_to_net_u16(src)); |
| 849 | bde_99 = bier_disp_entry_get(bdei); |
Neale Ranns | 9128637 | 2017-12-05 13:24:04 -0800 | [diff] [blame] | 850 | dpo_disp_entry_v4 = &bde_99->bde_fwd[BIER_HDR_PROTO_IPV4].bde_dpo; |
Neale Ranns | d792d9c | 2017-10-21 10:53:20 -0700 | [diff] [blame] | 851 | |
| 852 | lookup_dpo_t *lkd = lookup_dpo_get(dpo_disp_entry_v4->dpoi_index); |
| 853 | |
| 854 | BIER_TEST((bdti1 == lkd->lkd_fib_index), |
| 855 | "disp is deag in %d %U", |
| 856 | lkd->lkd_fib_index, |
| 857 | format_dpo_id, dpo_disp_entry_v4, 0); |
| 858 | BIER_TEST((LOOKUP_INPUT_DST_ADDR == lkd->lkd_input), |
| 859 | "disp is destination deag in %d %U", |
| 860 | lkd->lkd_input, |
| 861 | format_dpo_id, dpo_disp_entry_v4, 0); |
| 862 | BIER_TEST((LOOKUP_MULTICAST == lkd->lkd_cast), |
| 863 | "disp is multicast deag in %d %U", |
| 864 | lkd->lkd_input, |
| 865 | format_dpo_id, dpo_disp_entry_v4, 0); |
| 866 | |
| 867 | /* |
| 868 | * cleanup |
| 869 | */ |
| 870 | dpo_reset(&dpo_disp_tbl_1); |
| 871 | |
| 872 | bier_disp_table_entry_path_remove(bier_disp_tbl_id, src, |
| 873 | BIER_HDR_PROTO_IPV4, rpaths); |
| 874 | bier_table_route_remove(&bt_0_0_0_256, 3, paths_via_disp); |
| 875 | |
| 876 | bier_disp_table_unlock_w_table_id(bier_disp_tbl_id); |
| 877 | |
| 878 | bier_table_unlock(&bt_0_0_0_256); |
| 879 | |
| 880 | BIER_TEST(0 == pool_elts(bier_fmask_pool), |
| 881 | "BIER fmask resources freed "); |
| 882 | BIER_TEST(0 == pool_elts(bier_table_pool), |
| 883 | "BIER table resources freed "); |
| 884 | BIER_TEST(0 == pool_elts(bier_disp_table_pool), |
| 885 | "BIER Disposition table resources freed "); |
| 886 | BIER_TEST(0 == pool_elts(bier_disp_entry_pool), |
| 887 | "BIER Disposition entry resources freed "); |
| 888 | |
| 889 | vec_free(paths_via_disp); |
| 890 | return (0); |
| 891 | } |
| 892 | |
| 893 | static clib_error_t * |
| 894 | bier_test (vlib_main_t * vm, |
| 895 | unformat_input_t * input, |
| 896 | vlib_cli_command_t * cmd_arg) |
| 897 | { |
| 898 | int res = 0; |
| 899 | |
| 900 | res += bier_test_mk_intf(4); |
| 901 | |
| 902 | if (unformat (input, "debug")) |
| 903 | { |
| 904 | bier_test_do_debug = 1; |
| 905 | } |
| 906 | |
| 907 | if (unformat (input, "mid")) |
| 908 | res += bier_test_mpls_spf(); |
| 909 | else if (unformat (input, "head")) |
| 910 | res += bier_test_mpls_imp(); |
| 911 | else if (unformat (input, "tail")) |
| 912 | res += bier_test_mpls_disp(); |
| 913 | else |
| 914 | { |
| 915 | res += bier_test_mpls_spf(); |
| 916 | res += bier_test_mpls_imp(); |
| 917 | res += bier_test_mpls_disp(); |
| 918 | } |
| 919 | |
| 920 | if (res) |
| 921 | { |
| 922 | return clib_error_return(0, "BIER Unit Test Failed"); |
| 923 | } |
| 924 | else |
| 925 | { |
| 926 | return (NULL); |
| 927 | } |
| 928 | } |
| 929 | |
| 930 | VLIB_CLI_COMMAND (test_route_command, static) = { |
| 931 | .path = "test bier", |
| 932 | .short_help = "bier unit tests", |
| 933 | .function = bier_test, |
| 934 | }; |
| 935 | |
| 936 | clib_error_t * |
| 937 | bier_test_init (vlib_main_t *vm) |
| 938 | { |
| 939 | return 0; |
| 940 | } |
| 941 | |
| 942 | VLIB_INIT_FUNCTION (bier_test_init); |