Neale Ranns | 32e1c01 | 2016-11-22 17:07:28 +0000 | [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 | #include <vnet/mfib/ip4_mfib.h> |
| 17 | |
| 18 | #include <vnet/mfib/mfib_table.h> |
| 19 | #include <vnet/mfib/mfib_entry.h> |
| 20 | |
| 21 | static const mfib_prefix_t ip4_specials[] = { |
| 22 | { |
| 23 | /* (*,*)/0 */ |
| 24 | .fp_src_addr = { |
| 25 | .ip4.data_u32 = 0, |
| 26 | }, |
| 27 | .fp_grp_addr = { |
| 28 | .ip4.data_u32 = 0, |
| 29 | }, |
| 30 | .fp_len = 0, |
| 31 | .fp_proto = FIB_PROTOCOL_IP4, |
| 32 | }, |
| 33 | }; |
| 34 | |
| 35 | static u32 |
Neale Ranns | 1500254 | 2017-09-10 04:39:11 -0700 | [diff] [blame] | 36 | ip4_create_mfib_with_table_id (u32 table_id, |
| 37 | mfib_source_t src) |
Neale Ranns | 32e1c01 | 2016-11-22 17:07:28 +0000 | [diff] [blame] | 38 | { |
| 39 | mfib_table_t *mfib_table; |
| 40 | |
| 41 | pool_get_aligned(ip4_main.mfibs, mfib_table, CLIB_CACHE_LINE_BYTES); |
Dave Barach | b7b9299 | 2018-10-17 10:38:51 -0400 | [diff] [blame] | 42 | clib_memset(mfib_table, 0, sizeof(*mfib_table)); |
Neale Ranns | 32e1c01 | 2016-11-22 17:07:28 +0000 | [diff] [blame] | 43 | |
| 44 | mfib_table->mft_proto = FIB_PROTOCOL_IP4; |
| 45 | mfib_table->mft_index = |
| 46 | mfib_table->v4.index = |
| 47 | (mfib_table - ip4_main.mfibs); |
| 48 | |
| 49 | hash_set (ip4_main.mfib_index_by_table_id, |
| 50 | table_id, |
| 51 | mfib_table->mft_index); |
| 52 | |
| 53 | mfib_table->mft_table_id = |
| 54 | mfib_table->v4.table_id = |
| 55 | table_id; |
| 56 | |
Neale Ranns | 1500254 | 2017-09-10 04:39:11 -0700 | [diff] [blame] | 57 | mfib_table_lock(mfib_table->mft_index, FIB_PROTOCOL_IP4, src); |
Neale Ranns | 32e1c01 | 2016-11-22 17:07:28 +0000 | [diff] [blame] | 58 | |
| 59 | /* |
| 60 | * add the special entries into the new FIB |
| 61 | */ |
| 62 | int ii; |
| 63 | |
| 64 | for (ii = 0; ii < ARRAY_LEN(ip4_specials); ii++) |
| 65 | { |
| 66 | mfib_prefix_t prefix = ip4_specials[ii]; |
| 67 | |
| 68 | prefix.fp_src_addr.ip4.data_u32 = |
| 69 | clib_host_to_net_u32(prefix.fp_src_addr.ip4.data_u32); |
| 70 | prefix.fp_grp_addr.ip4.data_u32 = |
| 71 | clib_host_to_net_u32(prefix.fp_grp_addr.ip4.data_u32); |
| 72 | |
| 73 | mfib_table_entry_update(mfib_table->mft_index, |
| 74 | &prefix, |
| 75 | MFIB_SOURCE_DEFAULT_ROUTE, |
Neale Ranns | 0f26c5a | 2017-03-01 15:12:11 -0800 | [diff] [blame] | 76 | MFIB_RPF_ID_NONE, |
Neale Ranns | 32e1c01 | 2016-11-22 17:07:28 +0000 | [diff] [blame] | 77 | MFIB_ENTRY_FLAG_DROP); |
| 78 | } |
| 79 | |
| 80 | return (mfib_table->mft_index); |
| 81 | } |
| 82 | |
| 83 | void |
| 84 | ip4_mfib_table_destroy (ip4_mfib_t *mfib) |
| 85 | { |
| 86 | mfib_table_t *mfib_table = (mfib_table_t*)mfib; |
| 87 | int ii; |
| 88 | |
| 89 | /* |
| 90 | * remove all the specials we added when the table was created. |
| 91 | */ |
| 92 | for (ii = 0; ii < ARRAY_LEN(ip4_specials); ii++) |
| 93 | { |
| 94 | fib_node_index_t mfei; |
| 95 | mfib_prefix_t prefix = ip4_specials[ii]; |
| 96 | |
| 97 | prefix.fp_src_addr.ip4.data_u32 = |
| 98 | clib_host_to_net_u32(prefix.fp_src_addr.ip4.data_u32); |
| 99 | prefix.fp_grp_addr.ip4.data_u32 = |
| 100 | clib_host_to_net_u32(prefix.fp_grp_addr.ip4.data_u32); |
| 101 | |
| 102 | mfei = mfib_table_lookup(mfib_table->mft_index, &prefix); |
| 103 | mfib_table_entry_delete_index(mfei, MFIB_SOURCE_DEFAULT_ROUTE); |
| 104 | } |
| 105 | |
| 106 | /* |
| 107 | * validate no more routes. |
| 108 | */ |
| 109 | ASSERT(0 == mfib_table->mft_total_route_counts); |
| 110 | ASSERT(~0 != mfib_table->mft_table_id); |
| 111 | |
| 112 | hash_unset (ip4_main.mfib_index_by_table_id, mfib_table->mft_table_id); |
| 113 | pool_put(ip4_main.mfibs, mfib_table); |
| 114 | } |
| 115 | |
| 116 | u32 |
Neale Ranns | 1500254 | 2017-09-10 04:39:11 -0700 | [diff] [blame] | 117 | ip4_mfib_table_find_or_create_and_lock (u32 table_id, |
| 118 | mfib_source_t src) |
Neale Ranns | 32e1c01 | 2016-11-22 17:07:28 +0000 | [diff] [blame] | 119 | { |
| 120 | u32 index; |
| 121 | |
| 122 | index = ip4_mfib_index_from_table_id(table_id); |
| 123 | if (~0 == index) |
Neale Ranns | 1500254 | 2017-09-10 04:39:11 -0700 | [diff] [blame] | 124 | return ip4_create_mfib_with_table_id(table_id, src); |
| 125 | mfib_table_lock(index, FIB_PROTOCOL_IP4, src); |
Neale Ranns | 32e1c01 | 2016-11-22 17:07:28 +0000 | [diff] [blame] | 126 | |
| 127 | return (index); |
| 128 | } |
| 129 | |
| 130 | u32 |
| 131 | ip4_mfib_table_get_index_for_sw_if_index (u32 sw_if_index) |
| 132 | { |
| 133 | if (sw_if_index >= vec_len(ip4_main.mfib_index_by_sw_if_index)) |
| 134 | { |
| 135 | /* |
| 136 | * This is the case for interfaces that are not yet mapped to |
| 137 | * a IP table |
| 138 | */ |
| 139 | return (~0); |
| 140 | } |
| 141 | return (ip4_main.mfib_index_by_sw_if_index[sw_if_index]); |
| 142 | } |
| 143 | |
| 144 | #define IPV4_MFIB_GRP_LEN(_len)\ |
| 145 | (_len > 32 ? 32 : _len) |
| 146 | |
| 147 | #define IP4_MFIB_MK_KEY(_grp, _src, _len, _key) \ |
| 148 | { \ |
| 149 | _key = ((u64)(_grp->data_u32 & \ |
| 150 | ip4_main.fib_masks[IPV4_MFIB_GRP_LEN(_len)])) << 32; \ |
| 151 | _key |= _src->data_u32; \ |
| 152 | } |
| 153 | #define IP4_MFIB_MK_GRP_KEY(_grp, _len, _key) \ |
| 154 | { \ |
| 155 | _key = ((u64)(_grp->data_u32 & \ |
| 156 | ip4_main.fib_masks[IPV4_MFIB_GRP_LEN(_len)])) << 32; \ |
| 157 | } |
| 158 | |
| 159 | /* |
| 160 | * ip4_fib_table_lookup_exact_match |
| 161 | * |
| 162 | * Exact match prefix lookup |
| 163 | */ |
| 164 | fib_node_index_t |
| 165 | ip4_mfib_table_lookup_exact_match (const ip4_mfib_t *mfib, |
| 166 | const ip4_address_t *grp, |
| 167 | const ip4_address_t *src, |
| 168 | u32 len) |
| 169 | { |
| 170 | uword * hash, * result; |
| 171 | u64 key; |
| 172 | |
| 173 | hash = mfib->fib_entry_by_dst_address[len]; |
| 174 | IP4_MFIB_MK_KEY(grp, src, len, key); |
| 175 | |
| 176 | result = hash_get(hash, key); |
| 177 | |
| 178 | if (NULL != result) { |
| 179 | return (result[0]); |
| 180 | } |
| 181 | return (FIB_NODE_INDEX_INVALID); |
| 182 | } |
| 183 | |
| 184 | /* |
| 185 | * ip4_fib_table_lookup |
| 186 | * |
| 187 | * Longest prefix match |
| 188 | */ |
| 189 | fib_node_index_t |
| 190 | ip4_mfib_table_lookup (const ip4_mfib_t *mfib, |
| 191 | const ip4_address_t *src, |
| 192 | const ip4_address_t *grp, |
| 193 | u32 len) |
| 194 | { |
| 195 | uword * hash, * result; |
| 196 | i32 mask_len; |
| 197 | u64 key; |
| 198 | |
| 199 | mask_len = len; |
| 200 | |
| 201 | if (PREDICT_TRUE(64 == mask_len)) |
| 202 | { |
| 203 | hash = mfib->fib_entry_by_dst_address[mask_len]; |
| 204 | IP4_MFIB_MK_KEY(grp, src, mask_len, key); |
| 205 | |
| 206 | result = hash_get (hash, key); |
| 207 | |
| 208 | if (NULL != result) { |
| 209 | return (result[0]); |
| 210 | } |
| 211 | } |
| 212 | |
Neale Ranns | ae80983 | 2018-11-23 09:00:27 -0800 | [diff] [blame] | 213 | for (mask_len = (len == 64 ? 32 : len); mask_len >= 0; mask_len--) |
Neale Ranns | 32e1c01 | 2016-11-22 17:07:28 +0000 | [diff] [blame] | 214 | { |
| 215 | hash = mfib->fib_entry_by_dst_address[mask_len]; |
| 216 | IP4_MFIB_MK_GRP_KEY(grp, mask_len, key); |
| 217 | |
| 218 | result = hash_get (hash, key); |
| 219 | |
| 220 | if (NULL != result) { |
| 221 | return (result[0]); |
| 222 | } |
| 223 | } |
| 224 | return (FIB_NODE_INDEX_INVALID); |
| 225 | } |
| 226 | |
| 227 | void |
| 228 | ip4_mfib_table_entry_insert (ip4_mfib_t *mfib, |
| 229 | const ip4_address_t *grp, |
| 230 | const ip4_address_t *src, |
| 231 | u32 len, |
| 232 | fib_node_index_t fib_entry_index) |
| 233 | { |
| 234 | uword * hash, * result; |
| 235 | u64 key; |
| 236 | |
| 237 | IP4_MFIB_MK_KEY(grp, src, len, key); |
| 238 | hash = mfib->fib_entry_by_dst_address[len]; |
| 239 | result = hash_get (hash, key); |
| 240 | |
| 241 | if (NULL == result) { |
| 242 | /* |
| 243 | * adding a new entry |
| 244 | */ |
| 245 | if (NULL == hash) { |
| 246 | hash = hash_create (32 /* elts */, sizeof (uword)); |
| 247 | hash_set_flags (hash, HASH_FLAG_NO_AUTO_SHRINK); |
| 248 | } |
| 249 | hash = hash_set(hash, key, fib_entry_index); |
| 250 | mfib->fib_entry_by_dst_address[len] = hash; |
| 251 | } |
| 252 | else |
| 253 | { |
| 254 | ASSERT(0); |
| 255 | } |
| 256 | } |
| 257 | |
| 258 | void |
| 259 | ip4_mfib_table_entry_remove (ip4_mfib_t *mfib, |
| 260 | const ip4_address_t *grp, |
| 261 | const ip4_address_t *src, |
| 262 | u32 len) |
| 263 | { |
| 264 | uword * hash, * result; |
| 265 | u64 key; |
| 266 | |
| 267 | IP4_MFIB_MK_KEY(grp, src, len, key); |
| 268 | hash = mfib->fib_entry_by_dst_address[len]; |
| 269 | result = hash_get (hash, key); |
| 270 | |
| 271 | if (NULL == result) |
| 272 | { |
| 273 | /* |
| 274 | * removing a non-existant entry. i'll allow it. |
| 275 | */ |
| 276 | } |
| 277 | else |
| 278 | { |
| 279 | hash_unset(hash, key); |
| 280 | } |
| 281 | |
| 282 | mfib->fib_entry_by_dst_address[len] = hash; |
| 283 | } |
| 284 | |
Neale Ranns | 5a8123b | 2017-01-26 01:18:23 -0800 | [diff] [blame] | 285 | void |
| 286 | ip4_mfib_table_walk (ip4_mfib_t *mfib, |
| 287 | mfib_table_walk_fn_t fn, |
| 288 | void *ctx) |
| 289 | { |
| 290 | int i; |
| 291 | |
| 292 | for (i = 0; i < ARRAY_LEN (mfib->fib_entry_by_dst_address); i++) |
| 293 | { |
| 294 | uword * hash = mfib->fib_entry_by_dst_address[i]; |
| 295 | |
| 296 | if (NULL != hash) |
| 297 | { |
| 298 | hash_pair_t * p; |
| 299 | |
| 300 | hash_foreach_pair (p, hash, |
| 301 | ({ |
| 302 | fn(p->value[0], ctx); |
| 303 | })); |
| 304 | } |
| 305 | } |
| 306 | } |
| 307 | |
Neale Ranns | c87aafa | 2017-11-29 00:59:31 -0800 | [diff] [blame] | 308 | u8 * |
| 309 | format_ip4_mfib_table_memory (u8 * s, va_list * args) |
| 310 | { |
| 311 | mfib_table_t *mfib_table; |
| 312 | u64 total_memory; |
| 313 | |
| 314 | total_memory = 0; |
| 315 | |
| 316 | pool_foreach (mfib_table, ip4_main.mfibs, |
| 317 | ({ |
| 318 | ip4_mfib_t *mfib = &mfib_table->v4; |
| 319 | uword mfib_size; |
| 320 | int i; |
| 321 | |
| 322 | mfib_size = 0; |
| 323 | |
| 324 | for (i = 0; i < ARRAY_LEN (mfib->fib_entry_by_dst_address); i++) |
| 325 | { |
| 326 | uword * hash = mfib->fib_entry_by_dst_address[i]; |
| 327 | |
| 328 | if (NULL != hash) |
| 329 | { |
| 330 | mfib_size += hash_bytes(hash); |
| 331 | } |
| 332 | } |
| 333 | |
| 334 | total_memory += mfib_size; |
| 335 | })); |
| 336 | |
| 337 | s = format(s, "%=30s %=6d %=8ld\n", |
| 338 | "IPv4 multicast", |
| 339 | pool_elts(ip4_main.mfibs), total_memory); |
| 340 | |
| 341 | return (s); |
| 342 | } |
| 343 | |
Neale Ranns | 32e1c01 | 2016-11-22 17:07:28 +0000 | [diff] [blame] | 344 | static void |
| 345 | ip4_mfib_table_show_all (ip4_mfib_t *mfib, |
| 346 | vlib_main_t * vm) |
| 347 | { |
| 348 | fib_node_index_t *mfib_entry_indicies; |
| 349 | fib_node_index_t *mfib_entry_index; |
| 350 | int i; |
| 351 | |
| 352 | mfib_entry_indicies = NULL; |
| 353 | |
| 354 | for (i = 0; i < ARRAY_LEN (mfib->fib_entry_by_dst_address); i++) |
| 355 | { |
| 356 | uword * hash = mfib->fib_entry_by_dst_address[i]; |
| 357 | |
| 358 | if (NULL != hash) |
| 359 | { |
| 360 | hash_pair_t * p; |
| 361 | |
| 362 | hash_foreach_pair (p, hash, |
| 363 | ({ |
| 364 | vec_add1(mfib_entry_indicies, p->value[0]); |
| 365 | })); |
| 366 | } |
| 367 | } |
| 368 | |
| 369 | vec_sort_with_function(mfib_entry_indicies, mfib_entry_cmp_for_sort); |
| 370 | |
| 371 | vec_foreach(mfib_entry_index, mfib_entry_indicies) |
| 372 | { |
| 373 | vlib_cli_output(vm, "%U", |
| 374 | format_mfib_entry, |
| 375 | *mfib_entry_index, |
| 376 | MFIB_ENTRY_FORMAT_BRIEF); |
| 377 | } |
| 378 | |
| 379 | vec_free(mfib_entry_indicies); |
| 380 | } |
| 381 | |
| 382 | static void |
| 383 | ip4_mfib_table_show_one (ip4_mfib_t *mfib, |
| 384 | vlib_main_t * vm, |
| 385 | ip4_address_t *src, |
| 386 | ip4_address_t *grp, |
| 387 | u32 mask_len) |
| 388 | { |
| 389 | vlib_cli_output(vm, "%U", |
| 390 | format_mfib_entry, |
| 391 | ip4_mfib_table_lookup(mfib, src, grp, mask_len), |
| 392 | MFIB_ENTRY_FORMAT_DETAIL); |
| 393 | } |
| 394 | |
| 395 | static clib_error_t * |
| 396 | ip4_show_mfib (vlib_main_t * vm, |
| 397 | unformat_input_t * input, |
| 398 | vlib_cli_command_t * cmd) |
| 399 | { |
| 400 | ip4_main_t * im4 = &ip4_main; |
| 401 | mfib_table_t *mfib_table; |
Neale Ranns | c87aafa | 2017-11-29 00:59:31 -0800 | [diff] [blame] | 402 | int verbose, matching, memory; |
Neale Ranns | 32e1c01 | 2016-11-22 17:07:28 +0000 | [diff] [blame] | 403 | ip4_address_t grp, src = {{0}}; |
| 404 | u32 mask = 32; |
Neale Ranns | c87aafa | 2017-11-29 00:59:31 -0800 | [diff] [blame] | 405 | u64 total_hash_memory; |
Neale Ranns | 32e1c01 | 2016-11-22 17:07:28 +0000 | [diff] [blame] | 406 | int i, table_id = -1, fib_index = ~0; |
| 407 | |
| 408 | verbose = 1; |
Neale Ranns | c87aafa | 2017-11-29 00:59:31 -0800 | [diff] [blame] | 409 | memory = matching = 0; |
| 410 | total_hash_memory = 0; |
Neale Ranns | 32e1c01 | 2016-11-22 17:07:28 +0000 | [diff] [blame] | 411 | |
| 412 | while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) |
| 413 | { |
| 414 | if (unformat (input, "brief") || unformat (input, "summary") |
| 415 | || unformat (input, "sum")) |
| 416 | verbose = 0; |
Neale Ranns | c87aafa | 2017-11-29 00:59:31 -0800 | [diff] [blame] | 417 | else if (unformat (input, "mem") || unformat (input, "memory")) |
| 418 | memory = 1; |
Neale Ranns | 32e1c01 | 2016-11-22 17:07:28 +0000 | [diff] [blame] | 419 | else if (unformat (input, "%U %U", |
| 420 | unformat_ip4_address, &src, |
| 421 | unformat_ip4_address, &grp)) |
| 422 | { |
| 423 | matching = 1; |
| 424 | mask = 64; |
| 425 | } |
Neale Ranns | c7409dc | 2017-05-19 02:54:32 -0700 | [diff] [blame] | 426 | else if (unformat (input, "%U/%d", unformat_ip4_address, &grp, &mask)) |
| 427 | { |
Dave Barach | b7b9299 | 2018-10-17 10:38:51 -0400 | [diff] [blame] | 428 | clib_memset(&src, 0, sizeof(src)); |
Neale Ranns | c7409dc | 2017-05-19 02:54:32 -0700 | [diff] [blame] | 429 | matching = 1; |
| 430 | } |
Neale Ranns | 32e1c01 | 2016-11-22 17:07:28 +0000 | [diff] [blame] | 431 | else if (unformat (input, "%U", unformat_ip4_address, &grp)) |
| 432 | { |
Dave Barach | b7b9299 | 2018-10-17 10:38:51 -0400 | [diff] [blame] | 433 | clib_memset(&src, 0, sizeof(src)); |
Neale Ranns | 32e1c01 | 2016-11-22 17:07:28 +0000 | [diff] [blame] | 434 | matching = 1; |
| 435 | mask = 32; |
| 436 | } |
Neale Ranns | 32e1c01 | 2016-11-22 17:07:28 +0000 | [diff] [blame] | 437 | else if (unformat (input, "table %d", &table_id)) |
| 438 | ; |
| 439 | else if (unformat (input, "index %d", &fib_index)) |
| 440 | ; |
| 441 | else |
| 442 | break; |
| 443 | } |
| 444 | |
| 445 | pool_foreach (mfib_table, im4->mfibs, |
| 446 | ({ |
| 447 | ip4_mfib_t *mfib = &mfib_table->v4; |
| 448 | |
| 449 | if (table_id >= 0 && table_id != (int)mfib->table_id) |
| 450 | continue; |
| 451 | if (fib_index != ~0 && fib_index != (int)mfib->index) |
| 452 | continue; |
| 453 | |
Neale Ranns | c87aafa | 2017-11-29 00:59:31 -0800 | [diff] [blame] | 454 | if (memory) |
| 455 | { |
| 456 | uword hash_size; |
| 457 | |
| 458 | hash_size = 0; |
| 459 | |
| 460 | for (i = 0; i < ARRAY_LEN (mfib->fib_entry_by_dst_address); i++) |
| 461 | { |
| 462 | uword * hash = mfib->fib_entry_by_dst_address[i]; |
| 463 | if (NULL != hash) |
| 464 | { |
| 465 | hash_size += hash_bytes(hash); |
| 466 | } |
| 467 | } |
| 468 | if (verbose) |
| 469 | vlib_cli_output (vm, "%U hash:%d", |
| 470 | format_mfib_table_name, mfib->index, |
| 471 | FIB_PROTOCOL_IP4, |
| 472 | hash_size); |
| 473 | total_hash_memory += hash_size; |
| 474 | continue; |
| 475 | } |
| 476 | |
Neale Ranns | 32e1c01 | 2016-11-22 17:07:28 +0000 | [diff] [blame] | 477 | vlib_cli_output (vm, "%U, fib_index %d", |
| 478 | format_mfib_table_name, mfib->index, FIB_PROTOCOL_IP4, |
| 479 | mfib->index); |
| 480 | |
| 481 | /* Show summary? */ |
| 482 | if (! verbose) |
| 483 | { |
| 484 | vlib_cli_output (vm, "%=20s%=16s", "Prefix length", "Count"); |
| 485 | for (i = 0; i < ARRAY_LEN (mfib->fib_entry_by_dst_address); i++) |
| 486 | { |
| 487 | uword * hash = mfib->fib_entry_by_dst_address[i]; |
| 488 | uword n_elts = hash_elts (hash); |
| 489 | if (n_elts > 0) |
| 490 | vlib_cli_output (vm, "%20d%16d", i, n_elts); |
| 491 | } |
| 492 | continue; |
| 493 | } |
| 494 | |
| 495 | if (!matching) |
| 496 | { |
| 497 | ip4_mfib_table_show_all(mfib, vm); |
| 498 | } |
| 499 | else |
| 500 | { |
| 501 | ip4_mfib_table_show_one(mfib, vm, &src, &grp, mask); |
| 502 | } |
| 503 | })); |
Neale Ranns | c87aafa | 2017-11-29 00:59:31 -0800 | [diff] [blame] | 504 | if (memory) |
| 505 | vlib_cli_output (vm, "totals: hash:%ld", total_hash_memory); |
Neale Ranns | 32e1c01 | 2016-11-22 17:07:28 +0000 | [diff] [blame] | 506 | |
| 507 | return 0; |
| 508 | } |
| 509 | |
| 510 | /*? |
| 511 | * This command displays the IPv4 MulticasrFIB Tables (VRF Tables) and |
| 512 | * the route entries for each table. |
| 513 | * |
| 514 | * @note This command will run for a long time when the FIB tables are |
| 515 | * comprised of millions of entries. For those senarios, consider displaying |
| 516 | * a single table or summary mode. |
| 517 | * |
| 518 | * @cliexpar |
| 519 | * Example of how to display all the IPv4 Multicast FIB tables: |
| 520 | * @cliexstart{show ip fib} |
| 521 | * ipv4-VRF:0, fib_index 0 |
| 522 | * (*, 0.0.0.0/0): flags:D, |
| 523 | * Interfaces: |
| 524 | * multicast-ip4-chain |
| 525 | * [@1]: dpo-drop ip4 |
| 526 | * (*, 232.1.1.1/32): |
| 527 | * Interfaces: |
| 528 | * test-eth1: Forward, |
| 529 | * test-eth2: Forward, |
| 530 | * test-eth0: Accept, |
| 531 | * multicast-ip4-chain |
| 532 | * [@2]: dpo-replicate: [index:1 buckets:2 to:[0:0]] |
| 533 | * [0] [@1]: ipv4-mcast: test-eth1: IP4: d0:d1:d2:d3:d4:01 -> 01:00:05:00:00:00 |
| 534 | * [1] [@1]: ipv4-mcast: test-eth2: IP4: d0:d1:d2:d3:d4:02 -> 01:00:05:00:00:00 |
| 535 | * |
| 536 | * @cliexend |
| 537 | * Example of how to display a summary of all IPv4 FIB tables: |
| 538 | * @cliexstart{show ip fib summary} |
| 539 | * ipv4-VRF:0, fib_index 0, flow hash: src dst sport dport proto |
| 540 | * Prefix length Count |
| 541 | * 0 1 |
| 542 | * 8 2 |
| 543 | * 32 4 |
| 544 | * ipv4-VRF:7, fib_index 1, flow hash: src dst sport dport proto |
| 545 | * Prefix length Count |
| 546 | * 0 1 |
| 547 | * 8 2 |
| 548 | * 24 2 |
| 549 | * 32 4 |
| 550 | * @cliexend |
| 551 | ?*/ |
| 552 | /* *INDENT-OFF* */ |
Neale Ranns | c756c1c | 2017-02-08 09:11:57 -0800 | [diff] [blame] | 553 | VLIB_CLI_COMMAND (ip4_show_mfib_command, static) = { |
Neale Ranns | 32e1c01 | 2016-11-22 17:07:28 +0000 | [diff] [blame] | 554 | .path = "show ip mfib", |
Neale Ranns | c756c1c | 2017-02-08 09:11:57 -0800 | [diff] [blame] | 555 | .short_help = "show ip mfib [summary] [table <table-id>] [index <fib-id>] [<grp-addr>[/<mask>]] [<grp-addr>] [<src-addr> <grp-addr>]", |
Neale Ranns | 32e1c01 | 2016-11-22 17:07:28 +0000 | [diff] [blame] | 556 | .function = ip4_show_mfib, |
| 557 | }; |
| 558 | /* *INDENT-ON* */ |