Pablo Camarillo | 5d73eec | 2017-04-24 17:51:56 +0200 | [diff] [blame] | 1 | /* |
| 2 | * sr_mpls_policy.c: SR-MPLS policies |
| 3 | * |
| 4 | * Copyright (c) 2016 Cisco and/or its affiliates. |
| 5 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 6 | * you may not use this file except in compliance with the License. |
| 7 | * You may obtain a copy of the License at: |
| 8 | * |
| 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 10 | * |
| 11 | * Unless required by applicable law or agreed to in writing, software |
| 12 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | * See the License for the specific language governing permissions and |
| 15 | * limitations under the License. |
| 16 | */ |
| 17 | |
| 18 | /** |
| 19 | * @file |
| 20 | * @brief SR MPLS policy creation and application |
| 21 | * |
| 22 | * Create an SR policy. |
| 23 | * An SR policy can be either of 'default' type or 'spray' type |
| 24 | * An SR policy has attached a list of SID lists. |
| 25 | * In case the SR policy is a default one it will load balance among them. |
| 26 | * An SR policy has associated a BindingSID. |
| 27 | * In case any packet arrives with MPLS_label == BindingSID then the SR policy |
| 28 | * associated to such bindingSID will be applied to such packet. |
| 29 | * |
| 30 | */ |
| 31 | |
| 32 | #include <vlib/vlib.h> |
| 33 | #include <vnet/vnet.h> |
| 34 | #include <vnet/srmpls/sr.h> |
| 35 | #include <vnet/fib/mpls_fib.h> |
| 36 | #include <vnet/dpo/dpo.h> |
| 37 | #include <vnet/dpo/replicate_dpo.h> |
| 38 | #include <vnet/dpo/mpls_label_dpo.h> |
| 39 | #include <vnet/dpo/lookup_dpo.h> |
| 40 | |
| 41 | #include <vppinfra/error.h> |
| 42 | #include <vppinfra/elog.h> |
| 43 | |
| 44 | mpls_sr_main_t sr_mpls_main; |
| 45 | |
| 46 | /*************************** SR LB helper functions **************************/ |
| 47 | /** |
| 48 | * @brief Creates a Segment List and adds it to an SR policy |
| 49 | * |
| 50 | * Creates a Segment List and adds it to the SR policy. Notice that the SL are |
| 51 | * not necessarily unique. Hence there might be two Segment List within the |
| 52 | * same SR Policy with exactly the same segments and same weight. |
| 53 | * |
| 54 | * @param sr_policy is the SR policy where the SL will be added |
| 55 | * @param sl is a vector of IPv6 addresses composing the Segment List |
| 56 | * @param weight is the weight of the SegmentList (for load-balancing purposes) |
| 57 | * @param is_encap represents the mode (SRH insertion vs Encapsulation) |
| 58 | * |
| 59 | * @return pointer to the just created segment list |
| 60 | */ |
| 61 | static inline mpls_sr_sl_t * |
| 62 | create_sl (mpls_sr_policy_t * sr_policy, mpls_label_t * sl, u32 weight) |
| 63 | { |
| 64 | mpls_sr_main_t *sm = &sr_mpls_main; |
| 65 | mpls_sr_sl_t *segment_list; |
| 66 | |
| 67 | pool_get (sm->sid_lists, segment_list); |
| 68 | memset (segment_list, 0, sizeof (*segment_list)); |
| 69 | |
| 70 | vec_add1 (sr_policy->segments_lists, segment_list - sm->sid_lists); |
| 71 | |
| 72 | /* Fill in segment list */ |
| 73 | segment_list->weight = |
| 74 | (weight != (u32) ~ 0 ? weight : SR_SEGMENT_LIST_WEIGHT_DEFAULT); |
| 75 | segment_list->segments = vec_dup (sl); |
| 76 | |
| 77 | fib_route_path_t path = { |
| 78 | .frp_proto = FIB_PROTOCOL_MPLS, |
| 79 | .frp_sw_if_index = ~0, |
| 80 | .frp_fib_index = 0, |
| 81 | .frp_weight = segment_list->weight, |
| 82 | .frp_flags = FIB_ROUTE_PATH_FLAG_NONE, |
| 83 | .frp_label_stack = NULL, |
| 84 | .frp_local_label = sl[0], |
| 85 | }; |
| 86 | |
| 87 | vec_add (path.frp_label_stack, sl + 1, vec_len (sl) - 1); |
| 88 | |
| 89 | fib_route_path_t *paths = NULL; |
| 90 | vec_add1 (paths, path); |
| 91 | |
| 92 | mpls_eos_bit_t eos; |
| 93 | FOR_EACH_MPLS_EOS_BIT (eos) |
| 94 | { |
| 95 | /* *INDENT-OFF* */ |
| 96 | fib_prefix_t pfx = { |
| 97 | .fp_len = 21, |
| 98 | .fp_proto = FIB_PROTOCOL_MPLS, |
| 99 | .fp_label = sr_policy->bsid, |
| 100 | .fp_eos = eos, |
| 101 | .fp_payload_proto = DPO_PROTO_MPLS, |
| 102 | }; |
| 103 | /* *INDENT-ON* */ |
| 104 | |
| 105 | fib_table_entry_path_add2 (0, |
| 106 | &pfx, |
| 107 | FIB_SOURCE_SR, |
| 108 | (sr_policy->type == SR_POLICY_TYPE_DEFAULT ? |
| 109 | FIB_ENTRY_FLAG_NONE : |
| 110 | FIB_ENTRY_FLAG_MULTICAST), paths); |
| 111 | } |
| 112 | |
| 113 | vec_free (paths); |
| 114 | |
| 115 | return segment_list; |
| 116 | } |
| 117 | |
| 118 | /******************************* SR rewrite API *******************************/ |
| 119 | /* Three functions for handling sr policies: |
| 120 | * -> sr_mpls_policy_add |
| 121 | * -> sr_mpls_policy_del |
| 122 | * -> sr_mpls_policy_mod |
| 123 | * All of them are API. CLI function on sr_policy_command_fn */ |
| 124 | |
| 125 | /** |
| 126 | * @brief Create a new SR policy |
| 127 | * |
| 128 | * @param bsid is the bindingSID of the SR Policy |
| 129 | * @param segments is a vector of MPLS labels composing the segment list |
| 130 | * @param behavior is the behavior of the SR policy. (default//spray) |
| 131 | * @param fib_table is the VRF where to install the FIB entry for the BSID |
| 132 | * @param weight is the weight of this specific SID list |
| 133 | * |
| 134 | * @return 0 if correct, else error |
| 135 | */ |
| 136 | int |
| 137 | sr_mpls_policy_add (mpls_label_t bsid, mpls_label_t * segments, |
| 138 | u8 behavior, u32 weight) |
| 139 | { |
| 140 | mpls_sr_main_t *sm = &sr_mpls_main; |
| 141 | mpls_sr_policy_t *sr_policy = 0; |
| 142 | uword *p; |
| 143 | |
| 144 | /* Search for existing keys (BSID) */ |
| 145 | p = hash_get (sm->sr_policies_index_hash, bsid); |
| 146 | if (p) |
| 147 | { |
| 148 | /* Add SR policy that already exists; complain */ |
| 149 | return -12; |
| 150 | } |
| 151 | |
| 152 | /* Add an SR policy object */ |
| 153 | pool_get (sm->sr_policies, sr_policy); |
| 154 | memset (sr_policy, 0, sizeof (*sr_policy)); |
| 155 | sr_policy->bsid = bsid; |
| 156 | sr_policy->type = behavior; |
| 157 | |
| 158 | /* Copy the key */ |
| 159 | hash_set (sm->sr_policies_index_hash, bsid, sr_policy - sm->sr_policies); |
| 160 | |
| 161 | /* Create a segment list and add the index to the SR policy */ |
| 162 | create_sl (sr_policy, segments, weight); |
| 163 | |
| 164 | return 0; |
| 165 | } |
| 166 | |
| 167 | /** |
| 168 | * @brief Delete a SR policy |
| 169 | * |
| 170 | * @param bsid is the bindingSID of the SR Policy |
| 171 | * @param index is the index of the SR policy |
| 172 | * |
| 173 | * @return 0 if correct, else error |
| 174 | */ |
| 175 | int |
| 176 | sr_mpls_policy_del (mpls_label_t bsid, u32 index) |
| 177 | { |
| 178 | mpls_sr_main_t *sm = &sr_mpls_main; |
| 179 | mpls_sr_policy_t *sr_policy = 0; |
| 180 | mpls_sr_sl_t *segment_list; |
| 181 | mpls_eos_bit_t eos; |
| 182 | u32 *sl_index; |
| 183 | uword *p; |
| 184 | |
| 185 | if (bsid) |
| 186 | { |
| 187 | p = hash_get (sm->sr_policies_index_hash, bsid); |
| 188 | if (p) |
| 189 | sr_policy = pool_elt_at_index (sm->sr_policies, p[0]); |
| 190 | else |
| 191 | return -1; |
| 192 | } |
| 193 | else |
| 194 | { |
| 195 | sr_policy = pool_elt_at_index (sm->sr_policies, index); |
| 196 | if (!sr_policy) |
| 197 | return -1; |
| 198 | } |
| 199 | |
| 200 | /* Clean SID Lists */ |
| 201 | vec_foreach (sl_index, sr_policy->segments_lists) |
| 202 | { |
| 203 | segment_list = pool_elt_at_index (sm->sid_lists, *sl_index); |
| 204 | |
| 205 | fib_route_path_t path = { |
| 206 | .frp_proto = FIB_PROTOCOL_MPLS, |
| 207 | .frp_sw_if_index = ~0, |
| 208 | .frp_fib_index = 0, |
| 209 | .frp_weight = segment_list->weight, |
| 210 | .frp_flags = FIB_ROUTE_PATH_FLAG_NONE, |
| 211 | .frp_local_label = segment_list->segments[0], |
| 212 | }; |
| 213 | |
| 214 | fib_route_path_t *paths = NULL; |
| 215 | vec_add1 (paths, path); |
| 216 | |
| 217 | /* remove each of the MPLS routes */ |
| 218 | FOR_EACH_MPLS_EOS_BIT (eos) |
| 219 | { |
| 220 | /* *INDENT-OFF* */ |
| 221 | fib_prefix_t pfx = { |
| 222 | .fp_len = 21, |
| 223 | .fp_proto = FIB_PROTOCOL_MPLS, |
| 224 | .fp_label = sr_policy->bsid, |
| 225 | .fp_eos = eos, |
| 226 | .fp_payload_proto = DPO_PROTO_MPLS, |
| 227 | }; |
| 228 | /* *INDENT-ON* */ |
| 229 | |
| 230 | fib_table_entry_path_remove2 (0, &pfx, FIB_SOURCE_SR, paths); |
| 231 | } |
| 232 | vec_free (paths); |
| 233 | vec_free (segment_list->segments); |
| 234 | pool_put_index (sm->sid_lists, *sl_index); |
| 235 | } |
| 236 | |
| 237 | /* Remove SR policy entry */ |
| 238 | hash_unset (sm->sr_policies_index_hash, sr_policy->bsid); |
| 239 | pool_put (sm->sr_policies, sr_policy); |
| 240 | |
| 241 | return 0; |
| 242 | } |
| 243 | |
| 244 | /** |
| 245 | * @brief Modify an existing SR policy |
| 246 | * |
| 247 | * The possible modifications are adding a new Segment List, modifying an |
| 248 | * existing Segment List (modify the weight only) and delete a given |
| 249 | * Segment List from the SR Policy. |
| 250 | * |
| 251 | * @param bsid is the bindingSID of the SR Policy |
| 252 | * @param index is the index of the SR policy |
| 253 | * @param fib_table is the VRF where to install the FIB entry for the BSID |
| 254 | * @param operation is the operation to perform (among the top ones) |
| 255 | * @param segments is a vector of IPv6 address composing the segment list |
| 256 | * @param sl_index is the index of the Segment List to modify/delete |
| 257 | * @param weight is the weight of the sid list. optional. |
| 258 | * |
| 259 | * @return 0 if correct, else error |
| 260 | */ |
| 261 | int |
| 262 | sr_mpls_policy_mod (mpls_label_t bsid, u32 index, u8 operation, |
| 263 | mpls_label_t * segments, u32 sl_index, u32 weight) |
| 264 | { |
| 265 | mpls_sr_main_t *sm = &sr_mpls_main; |
| 266 | mpls_sr_policy_t *sr_policy = 0; |
| 267 | mpls_sr_sl_t *segment_list; |
| 268 | u32 *sl_index_iterate; |
| 269 | uword *p; |
| 270 | |
| 271 | if (bsid) |
| 272 | { |
| 273 | p = hash_get (sm->sr_policies_index_hash, bsid); |
| 274 | if (p) |
| 275 | sr_policy = pool_elt_at_index (sm->sr_policies, p[0]); |
| 276 | else |
| 277 | return -1; |
| 278 | } |
| 279 | else |
| 280 | { |
| 281 | sr_policy = pool_elt_at_index (sm->sr_policies, index); |
| 282 | if (!sr_policy) |
| 283 | return -1; |
| 284 | } |
| 285 | |
| 286 | if (operation == 1) /* Add SR List to an existing SR policy */ |
| 287 | { |
| 288 | /* Create the new SL */ |
| 289 | segment_list = create_sl (sr_policy, segments, weight); |
| 290 | |
| 291 | } |
| 292 | else if (operation == 2) /* Delete SR List from an existing SR policy */ |
| 293 | { |
| 294 | /* Check that currently there are more than one SID list */ |
| 295 | if (vec_len (sr_policy->segments_lists) == 1) |
| 296 | return -21; |
| 297 | |
| 298 | /* Check that the SR list does exist and is assigned to the sr policy */ |
| 299 | vec_foreach (sl_index_iterate, sr_policy->segments_lists) |
| 300 | if (*sl_index_iterate == sl_index) |
| 301 | break; |
| 302 | |
| 303 | if (*sl_index_iterate != sl_index) |
| 304 | return -22; |
| 305 | |
| 306 | /* Remove the lucky SR list that is being kicked out */ |
| 307 | segment_list = pool_elt_at_index (sm->sid_lists, sl_index); |
| 308 | |
| 309 | mpls_eos_bit_t eos; |
| 310 | fib_route_path_t path = { |
| 311 | .frp_proto = FIB_PROTOCOL_MPLS, |
| 312 | .frp_sw_if_index = ~0, |
| 313 | .frp_fib_index = 0, |
| 314 | .frp_weight = segment_list->weight, |
| 315 | .frp_flags = FIB_ROUTE_PATH_FLAG_NONE, |
| 316 | .frp_local_label = segment_list->segments[0], |
| 317 | }; |
| 318 | |
| 319 | fib_route_path_t *paths = NULL; |
| 320 | vec_add1 (paths, path); |
| 321 | |
| 322 | FOR_EACH_MPLS_EOS_BIT (eos) |
| 323 | { |
| 324 | /* *INDENT-OFF* */ |
| 325 | fib_prefix_t pfx = { |
| 326 | .fp_len = 21, |
| 327 | .fp_proto = FIB_PROTOCOL_MPLS, |
| 328 | .fp_label = sr_policy->bsid, |
| 329 | .fp_eos = eos, |
| 330 | .fp_payload_proto = DPO_PROTO_MPLS, |
| 331 | }; |
| 332 | /* *INDENT-ON* */ |
| 333 | |
| 334 | fib_table_entry_path_remove2 (0, &pfx, FIB_SOURCE_SR, paths); |
| 335 | } |
| 336 | |
| 337 | vec_free (paths); |
| 338 | vec_free (segment_list->segments); |
| 339 | pool_put_index (sm->sid_lists, sl_index); |
| 340 | vec_del1 (sr_policy->segments_lists, |
| 341 | sl_index_iterate - sr_policy->segments_lists); |
| 342 | } |
| 343 | else if (operation == 3) /* Modify the weight of an existing SR List */ |
| 344 | { |
| 345 | /* Find the corresponding SL */ |
| 346 | vec_foreach (sl_index_iterate, sr_policy->segments_lists) |
| 347 | if (*sl_index_iterate == sl_index) |
| 348 | break; |
| 349 | |
| 350 | if (*sl_index_iterate != sl_index) |
| 351 | return -32; |
| 352 | |
| 353 | /* Change the weight */ |
| 354 | segment_list = pool_elt_at_index (sm->sid_lists, sl_index); |
| 355 | segment_list->weight = weight; |
| 356 | |
| 357 | /* Update LB */ |
| 358 | //FIXME |
| 359 | } |
| 360 | return 0; |
| 361 | } |
| 362 | |
| 363 | /** |
| 364 | * @brief CLI for 'sr mpls policies' command family |
| 365 | */ |
| 366 | static clib_error_t * |
| 367 | sr_mpls_policy_command_fn (vlib_main_t * vm, unformat_input_t * input, |
| 368 | vlib_cli_command_t * cmd) |
| 369 | { |
| 370 | int rv = -1; |
| 371 | char is_del = 0, is_add = 0, is_mod = 0; |
| 372 | char policy_set = 0; |
| 373 | mpls_label_t bsid, next_label; |
| 374 | u32 sr_policy_index = (u32) ~ 0, sl_index = (u32) ~ 0; |
| 375 | u32 weight = (u32) ~ 0; |
| 376 | mpls_label_t *segments = 0; |
| 377 | u8 operation = 0; |
| 378 | u8 is_spray = 0; |
| 379 | |
| 380 | while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) |
| 381 | { |
| 382 | if (!is_add && !is_mod && !is_del && unformat (input, "add")) |
| 383 | is_add = 1; |
| 384 | else if (!is_add && !is_mod && !is_del && unformat (input, "del")) |
| 385 | is_del = 1; |
| 386 | else if (!is_add && !is_mod && !is_del && unformat (input, "mod")) |
| 387 | is_mod = 1; |
| 388 | else if (!policy_set |
| 389 | && unformat (input, "bsid %U", unformat_mpls_unicast_label, |
| 390 | &bsid)) |
| 391 | policy_set = 1; |
| 392 | else if (!is_add && !policy_set |
| 393 | && unformat (input, "index %d", &sr_policy_index)) |
| 394 | policy_set = 1; |
| 395 | else if (unformat (input, "weight %d", &weight)); |
| 396 | else |
| 397 | if (unformat |
| 398 | (input, "next %U", unformat_mpls_unicast_label, &next_label)) |
| 399 | { |
| 400 | vec_add (segments, &next_label, 1); |
| 401 | } |
| 402 | else if (unformat (input, "add sl")) |
| 403 | operation = 1; |
| 404 | else if (unformat (input, "del sl index %d", &sl_index)) |
| 405 | operation = 2; |
| 406 | else if (unformat (input, "mod sl index %d", &sl_index)) |
| 407 | operation = 3; |
| 408 | else if (unformat (input, "spray")) |
| 409 | is_spray = 1; |
| 410 | else |
| 411 | break; |
| 412 | } |
| 413 | |
| 414 | if (!is_add && !is_mod && !is_del) |
| 415 | return clib_error_return (0, "Incorrect CLI"); |
| 416 | |
| 417 | if (!policy_set) |
| 418 | return clib_error_return (0, "No SR policy BSID or index specified"); |
| 419 | |
| 420 | if (is_add) |
| 421 | { |
| 422 | if (vec_len (segments) == 0) |
| 423 | return clib_error_return (0, "No Segment List specified"); |
| 424 | |
| 425 | rv = sr_mpls_policy_add (bsid, segments, |
| 426 | (is_spray ? SR_POLICY_TYPE_SPRAY : |
| 427 | SR_POLICY_TYPE_DEFAULT), weight); |
| 428 | } |
| 429 | else if (is_del) |
| 430 | rv = |
| 431 | sr_mpls_policy_del ((sr_policy_index != (u32) ~ 0 ? (u32) ~ 0 : bsid), |
| 432 | sr_policy_index); |
| 433 | else if (is_mod) |
| 434 | { |
| 435 | if (!operation) |
| 436 | return clib_error_return (0, "No SL modification specified"); |
| 437 | if (operation != 1 && sl_index == (u32) ~ 0) |
| 438 | return clib_error_return (0, "No Segment List index specified"); |
| 439 | if (operation == 1 && vec_len (segments) == 0) |
| 440 | return clib_error_return (0, "No Segment List specified"); |
| 441 | if (operation == 3 && weight == (u32) ~ 0) |
| 442 | return clib_error_return (0, "No new weight for the SL specified"); |
| 443 | rv = |
| 444 | sr_mpls_policy_mod ((sr_policy_index != (u32) ~ 0 ? (u32) ~ 0 : bsid), |
| 445 | sr_policy_index, operation, segments, |
| 446 | sl_index, weight); |
| 447 | } |
| 448 | |
| 449 | switch (rv) |
| 450 | { |
| 451 | case 0: |
| 452 | break; |
| 453 | case 1: |
| 454 | return 0; |
| 455 | case -12: |
| 456 | return clib_error_return (0, |
| 457 | "There is already a FIB entry for the BindingSID address.\n" |
| 458 | "The SR policy could not be created."); |
| 459 | case -21: |
| 460 | return clib_error_return (0, |
| 461 | "The selected SR policy only contains ONE segment list. " |
| 462 | "Please remove the SR policy instead"); |
| 463 | case -22: |
| 464 | return clib_error_return (0, |
| 465 | "Could not delete the segment list. " |
| 466 | "It is not associated with that SR policy."); |
| 467 | case -32: |
| 468 | return clib_error_return (0, |
| 469 | "Could not modify the segment list. " |
| 470 | "The given SL is not associated with such SR policy."); |
| 471 | default: |
| 472 | return clib_error_return (0, "BUG: sr policy returns %d", rv); |
| 473 | } |
| 474 | return 0; |
| 475 | } |
| 476 | |
| 477 | /* *INDENT-OFF* */ |
| 478 | VLIB_CLI_COMMAND (sr_mpls_policy_command, static) = { |
| 479 | .path = "sr mpls policy", |
| 480 | .short_help = "sr mpls policy [add||del||mod] bsid 2999 " |
| 481 | "next 10 next 20 next 30 (weight 1) (spray)", |
| 482 | .long_help = "TBD.\n", |
| 483 | .function = sr_mpls_policy_command_fn, |
| 484 | }; |
| 485 | /* *INDENT-ON* */ |
| 486 | |
| 487 | /** |
| 488 | * @brief CLI to display onscreen all the SR MPLS policies |
| 489 | */ |
| 490 | static clib_error_t * |
| 491 | show_sr_mpls_policies_command_fn (vlib_main_t * vm, unformat_input_t * input, |
| 492 | vlib_cli_command_t * cmd) |
| 493 | { |
| 494 | mpls_sr_main_t *sm = &sr_mpls_main; |
| 495 | mpls_sr_sl_t *segment_list = 0; |
| 496 | mpls_sr_policy_t *sr_policy = 0; |
| 497 | mpls_sr_policy_t **vec_policies = 0; |
| 498 | mpls_label_t *label; |
| 499 | u32 *sl_index; |
| 500 | u8 *s; |
| 501 | int i = 0; |
| 502 | |
| 503 | vlib_cli_output (vm, "SR MPLS policies:"); |
| 504 | |
| 505 | /* *INDENT-OFF* */ |
| 506 | pool_foreach (sr_policy, sm->sr_policies, {vec_add1 (vec_policies, sr_policy); } ); |
| 507 | /* *INDENT-ON* */ |
| 508 | |
| 509 | vec_foreach_index (i, vec_policies) |
| 510 | { |
| 511 | sr_policy = vec_policies[i]; |
| 512 | vlib_cli_output (vm, "[%u].-\tBSID: %U", |
| 513 | (u32) (sr_policy - sm->sr_policies), |
| 514 | format_mpls_unicast_label, sr_policy->bsid); |
| 515 | vlib_cli_output (vm, "\tType: %s", |
| 516 | (sr_policy->type == |
| 517 | SR_POLICY_TYPE_DEFAULT ? "Default" : "Spray")); |
| 518 | vlib_cli_output (vm, "\tSegment Lists:"); |
| 519 | vec_foreach (sl_index, sr_policy->segments_lists) |
| 520 | { |
| 521 | s = NULL; |
| 522 | segment_list = pool_elt_at_index (sm->sid_lists, *sl_index); |
| 523 | s = format (s, "\t[%u].- ", *sl_index); |
| 524 | s = format (s, "< "); |
| 525 | vec_foreach (label, segment_list->segments) |
| 526 | { |
| 527 | s = format (s, "%U, ", format_mpls_unicast_label, *label); |
| 528 | } |
| 529 | s = format (s, "\b\b > "); |
| 530 | vlib_cli_output (vm, " %s", s); |
| 531 | } |
| 532 | vlib_cli_output (vm, "-----------"); |
| 533 | } |
| 534 | vec_free (vec_policies); |
| 535 | return 0; |
| 536 | } |
| 537 | |
| 538 | /* *INDENT-OFF* */ |
| 539 | VLIB_CLI_COMMAND (show_sr_mpls_policies_command, static) = { |
| 540 | .path = "show sr mpls policies", |
| 541 | .short_help = "show sr mpls policies", |
| 542 | .function = show_sr_mpls_policies_command_fn, |
| 543 | }; |
| 544 | /* *INDENT-ON* */ |
| 545 | |
| 546 | /********************* SR MPLS Policy initialization ***********************/ |
| 547 | /** |
| 548 | * @brief SR MPLS Policy initialization |
| 549 | */ |
| 550 | clib_error_t * |
| 551 | sr_mpls_policy_rewrite_init (vlib_main_t * vm) |
| 552 | { |
| 553 | mpls_sr_main_t *sm = &sr_mpls_main; |
| 554 | |
| 555 | /* Init memory for sr policy keys (bsid <-> ip6_address_t) */ |
| 556 | sm->sr_policies_index_hash = hash_create (0, sizeof (mpls_label_t)); |
| 557 | |
| 558 | return 0; |
| 559 | } |
| 560 | |
| 561 | VLIB_INIT_FUNCTION (sr_mpls_policy_rewrite_init); |
| 562 | |
| 563 | /* |
| 564 | * fd.io coding-style-patch-verification: ON |
| 565 | * |
| 566 | * Local Variables: |
| 567 | * eval: (c-set-style "gnu") |
| 568 | * End: |
| 569 | */ |