pathd/path_nb.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * Copyright (C) 2020  NetDEF, Inc.
   4  */
   5
   6 #include <zebra.h>
   7
   8 #include "northbound.h"
   9 #include "libfrr.h"
  10
  11 #include "pathd/path_nb.h"
  12
  13 static int iter_objfun_cb(const struct lyd_node *dnode, void *arg);
  14 static int dummy_create(struct nb_cb_create_args *args);
  15 static int dummy_modify(struct nb_cb_modify_args *args);
  16 static int dummy_destroy(struct nb_cb_destroy_args *args);
  17
  18 struct of_cb_pref {
  19         uint32_t index;
  20         enum objfun_type type;
  21         struct of_cb_pref *next;
  22 };
  23
  24 struct of_cb_args {
  25         struct of_cb_pref *first;
  26         uint32_t free_slot;
  27         struct of_cb_pref prefs[MAX_OBJFUN_TYPE];
  28 };
  29
  30 /* clang-format off */
  31 const struct frr_yang_module_info frr_pathd_info = {
  32         .name = "frr-pathd",
  33         .nodes = {
  34                 {
  35                         .xpath = "/frr-pathd:pathd",
  36                         .cbs = {
  37                                 .apply_finish = pathd_apply_finish,
  38                         },
  39                         .priority = NB_DFLT_PRIORITY + 1
  40                 },
  41                 {
  42                         .xpath = "/frr-pathd:pathd/srte/segment-list",
  43                         .cbs = {
  44                                 .create = pathd_srte_segment_list_create,
  45                                 .cli_show = cli_show_srte_segment_list,
  46                                 .cli_show_end = cli_show_srte_segment_list_end,
  47                                 .destroy = pathd_srte_segment_list_destroy,
  48                                 .get_next = pathd_srte_segment_list_get_next,
  49                                 .get_keys = pathd_srte_segment_list_get_keys,
  50                                 .lookup_entry = pathd_srte_segment_list_lookup_entry,
  51                         },
  52                         .priority = NB_DFLT_PRIORITY - 1
  53                 },
  54                 {
  55                         .xpath = "/frr-pathd:pathd/srte/segment-list/protocol-origin",
  56                         .cbs = {
  57                                 .modify = pathd_srte_segment_list_protocol_origin_modify,
  58                         },
  59                         .priority = NB_DFLT_PRIORITY - 1
  60                 },
  61                 {
  62                         .xpath = "/frr-pathd:pathd/srte/segment-list/originator",
  63                         .cbs = {
  64                                 .modify = pathd_srte_segment_list_originator_modify,
  65                         },
  66                         .priority = NB_DFLT_PRIORITY - 1
  67                 },
  68                 {
  69                         .xpath = "/frr-pathd:pathd/srte/segment-list/segment",
  70                         .cbs = {
  71                                 .create = pathd_srte_segment_list_segment_create,
  72                                 .cli_show = cli_show_srte_segment_list_segment,
  73                                 .destroy = pathd_srte_segment_list_segment_destroy,
  74                         },
  75                         .priority = NB_DFLT_PRIORITY - 1
  76                 },
  77                 {
  78                         .xpath = "/frr-pathd:pathd/srte/segment-list/segment/sid-value",
  79                         .cbs = {
  80                                 .modify = pathd_srte_segment_list_segment_sid_value_modify,
  81                                 .destroy = pathd_srte_segment_list_segment_sid_value_destroy,
  82                         },
  83                         .priority = NB_DFLT_PRIORITY - 1
  84                 },
  85                 {
  86                         .xpath = "/frr-pathd:pathd/srte/segment-list/segment/nai",
  87                         .cbs = {
  88                                 .create = dummy_create,
  89                                 .destroy = pathd_srte_segment_list_segment_nai_destroy,
  90                                 .apply_finish = pathd_srte_segment_list_segment_nai_apply_finish
  91                         },
  92                         .priority = NB_DFLT_PRIORITY - 1
  93                 },
  94                 {
  95                         .xpath = "/frr-pathd:pathd/srte/segment-list/segment/nai/type",
  96                         .cbs = {.modify = dummy_modify}
  97                 },
  98                 {
  99                         .xpath = "/frr-pathd:pathd/srte/segment-list/segment/nai/local-address",
 100                         .cbs = {.modify = dummy_modify}
 101                 },
 102                 {
 103                         .xpath = "/frr-pathd:pathd/srte/segment-list/segment/nai/local-interface",
 104                         .cbs = {.modify = dummy_modify, .destroy = dummy_destroy}
 105                 },
 106                 {
 107                         .xpath = "/frr-pathd:pathd/srte/segment-list/segment/nai/local-prefix-len",
 108                         .cbs = {.modify = dummy_modify, .destroy = dummy_destroy}
 109                 },
 110                 {
 111                         .xpath = "/frr-pathd:pathd/srte/segment-list/segment/nai/remote-address",
 112                         .cbs = {.modify = dummy_modify, .destroy = dummy_destroy}
 113                 },
 114                 {
 115                         .xpath = "/frr-pathd:pathd/srte/segment-list/segment/nai/remote-interface",
 116                         .cbs = {.modify = dummy_modify, .destroy = dummy_destroy}
 117                 },
 118                 {
 119                         .xpath = "/frr-pathd:pathd/srte/segment-list/segment/nai/algorithm",
 120                         .cbs = {.modify = dummy_modify, .destroy = dummy_destroy}
 121                 },
 122                 {
 123                         .xpath = "/frr-pathd:pathd/srte/policy",
 124                         .cbs = {
 125                                 .create = pathd_srte_policy_create,
 126                                 .cli_show = cli_show_srte_policy,
 127                                 .cli_show_end = cli_show_srte_policy_end,
 128                                 .destroy = pathd_srte_policy_destroy,
 129                                 .get_next = pathd_srte_policy_get_next,
 130                                 .get_keys = pathd_srte_policy_get_keys,
 131                                 .lookup_entry = pathd_srte_policy_lookup_entry,
 132                         }
 133                 },
 134                 {
 135                         .xpath = "/frr-pathd:pathd/srte/policy/name",
 136                         .cbs = {
 137                                 .modify = pathd_srte_policy_name_modify,
 138                                 .cli_show = cli_show_srte_policy_name,
 139                                 .destroy = pathd_srte_policy_name_destroy,
 140                         }
 141                 },
 142                 {
 143                         .xpath = "/frr-pathd:pathd/srte/policy/binding-sid",
 144                         .cbs = {
 145                                 .modify = pathd_srte_policy_binding_sid_modify,
 146                                 .cli_show = cli_show_srte_policy_binding_sid,
 147                                 .destroy = pathd_srte_policy_binding_sid_destroy,
 148                         }
 149                 },
 150                 {
 151                         .xpath = "/frr-pathd:pathd/srte/policy/is-operational",
 152                         .cbs = {
 153                                 .get_elem = pathd_srte_policy_is_operational_get_elem
 154                         }
 155                 },
 156                 {
 157                         .xpath = "/frr-pathd:pathd/srte/policy/candidate-path",
 158                         .cbs = {
 159                                 .create = pathd_srte_policy_candidate_path_create,
 160                                 .cli_show = cli_show_srte_policy_candidate_path,
 161                                 .cli_show_end = cli_show_srte_policy_candidate_path_end,
 162                                 .destroy = pathd_srte_policy_candidate_path_destroy,
 163                                 .get_next = pathd_srte_policy_candidate_path_get_next,
 164                                 .get_keys = pathd_srte_policy_candidate_path_get_keys,
 165                                 .lookup_entry = pathd_srte_policy_candidate_path_lookup_entry,
 166                         }
 167                 },
 168                 {
 169                         .xpath = "/frr-pathd:pathd/srte/policy/candidate-path/name",
 170                         .cbs = {
 171                                 .modify = pathd_srte_policy_candidate_path_name_modify,
 172                         }
 173                 },
 174                 {
 175                         .xpath = "/frr-pathd:pathd/srte/policy/candidate-path/is-best-candidate-path",
 176                         .cbs = {
 177                                 .get_elem = pathd_srte_policy_candidate_path_is_best_candidate_path_get_elem,
 178                         }
 179                 },
 180                 {
 181                         .xpath = "/frr-pathd:pathd/srte/policy/candidate-path/protocol-origin",
 182                         .cbs = {
 183                                 .modify = pathd_srte_policy_candidate_path_protocol_origin_modify,
 184                         }
 185                 },
 186                 {
 187                         .xpath = "/frr-pathd:pathd/srte/policy/candidate-path/originator",
 188                         .cbs = {
 189                                 .modify = pathd_srte_policy_candidate_path_originator_modify,
 190                         }
 191                 },
 192                 {
 193                         .xpath = "/frr-pathd:pathd/srte/policy/candidate-path/discriminator",
 194                         .cbs = {
 195                                 .get_elem = pathd_srte_policy_candidate_path_discriminator_get_elem,
 196                         }
 197                 },
 198                 {
 199                         .xpath = "/frr-pathd:pathd/srte/policy/candidate-path/type",
 200                         .cbs = {
 201                                 .modify = pathd_srte_policy_candidate_path_type_modify,
 202                         }
 203                 },
 204                 {
 205                         .xpath = "/frr-pathd:pathd/srte/policy/candidate-path/segment-list-name",
 206                         .cbs = {
 207                                 .destroy = pathd_srte_policy_candidate_path_segment_list_name_destroy,
 208                                 .modify = pathd_srte_policy_candidate_path_segment_list_name_modify,
 209                         }
 210                 },
 211                 {
 212                         .xpath = "/frr-pathd:pathd/srte/policy/candidate-path/constraints/bandwidth",
 213                         .cbs = {
 214                                 .create = dummy_create,
 215                                 .destroy = pathd_srte_policy_candidate_path_bandwidth_destroy,
 216                                 .apply_finish = pathd_srte_policy_candidate_path_bandwidth_apply_finish
 217                         }
 218                 },
 219                 {
 220                         .xpath = "/frr-pathd:pathd/srte/policy/candidate-path/constraints/bandwidth/required",
 221                         .cbs = {.modify = dummy_modify}
 222                 },
 223                 {
 224                         .xpath = "/frr-pathd:pathd/srte/policy/candidate-path/constraints/bandwidth/value",
 225                         .cbs = {.modify = dummy_modify}
 226                 },
 227                 {
 228                         .xpath = "/frr-pathd:pathd/srte/policy/candidate-path/constraints/affinity/exclude-any",
 229                         .cbs = {
 230                                 .modify = pathd_srte_policy_candidate_path_exclude_any_modify,
 231                                 .destroy = pathd_srte_policy_candidate_path_exclude_any_destroy,
 232                         }
 233                 },
 234                 {
 235                         .xpath = "/frr-pathd:pathd/srte/policy/candidate-path/constraints/affinity/include-any",
 236                         .cbs = {
 237                                 .modify = pathd_srte_policy_candidate_path_include_any_modify,
 238                                 .destroy = pathd_srte_policy_candidate_path_include_any_destroy,
 239                         }
 240                 },
 241                 {
 242                         .xpath = "/frr-pathd:pathd/srte/policy/candidate-path/constraints/affinity/include-all",
 243                         .cbs = {
 244                                 .modify = pathd_srte_policy_candidate_path_include_all_modify,
 245                                 .destroy = pathd_srte_policy_candidate_path_include_all_destroy,
 246                         }
 247                 },
 248                 {
 249                         .xpath = "/frr-pathd:pathd/srte/policy/candidate-path/constraints/metrics",
 250                         .cbs = {
 251                                 .create = dummy_create,
 252                                 .destroy = pathd_srte_policy_candidate_path_metrics_destroy,
 253                                 .apply_finish = pathd_srte_policy_candidate_path_metrics_apply_finish
 254                         }
 255                 },
 256                 {
 257                         .xpath = "/frr-pathd:pathd/srte/policy/candidate-path/constraints/metrics/value",
 258                         .cbs = {.modify = dummy_modify}
 259                 },
 260                 {
 261                         .xpath = "/frr-pathd:pathd/srte/policy/candidate-path/constraints/metrics/required",
 262                         .cbs = {.modify = dummy_modify}
 263                 },
 264                 {
 265                         .xpath = "/frr-pathd:pathd/srte/policy/candidate-path/constraints/metrics/is-bound",
 266                         .cbs = {.modify = dummy_modify, .destroy = dummy_destroy}
 267                 },
 268                 {
 269                         .xpath = "/frr-pathd:pathd/srte/policy/candidate-path/constraints/metrics/is-computed",
 270                         .cbs = {.modify = dummy_modify, .destroy = dummy_destroy}
 271                 },
 272                 {
 273                         .xpath = "/frr-pathd:pathd/srte/policy/candidate-path/constraints/objective-function",
 274                         .cbs = {
 275                                 .create = dummy_create,
 276                                 .destroy = pathd_srte_policy_candidate_path_objfun_destroy,
 277                                 .apply_finish = pathd_srte_policy_candidate_path_objfun_apply_finish
 278                         }
 279                 },
 280                 {
 281                         .xpath = "/frr-pathd:pathd/srte/policy/candidate-path/constraints/objective-function/required",
 282                         .cbs = {.modify = dummy_modify}
 283                 },
 284                 {
 285                         .xpath = "/frr-pathd:pathd/srte/policy/candidate-path/constraints/objective-function/type",
 286                         .cbs = {.modify = dummy_modify}
 287                 },
 288                 {
 289                         .xpath = NULL,
 290                 },
 291         }
 292 };
 293
 294 void iter_objfun_prefs(const struct lyd_node *dnode, const char* path,
 295                        of_pref_cp_t fun, void *arg)
 296 {
 297         struct of_cb_args args = {0};
 298         struct of_cb_pref *p;
 299
 300         yang_dnode_iterate(iter_objfun_cb, &args, dnode, "%s", path);
 301         for (p = args.first; p != NULL; p = p->next)
 302                 fun(p->type, arg);
 303 }
 304
 305 int iter_objfun_cb(const struct lyd_node *dnode, void *arg)
 306 {
 307         struct of_cb_args *of_arg = arg;
 308         struct of_cb_pref *pref;
 309         struct of_cb_pref **p;
 310
 311         if (of_arg->free_slot >= MAX_OBJFUN_TYPE)
 312                 return YANG_ITER_STOP;
 313
 314         pref = &of_arg->prefs[of_arg->free_slot++];
 315
 316         pref->index = yang_dnode_get_uint32(dnode, "./index");
 317         pref->type = yang_dnode_get_enum(dnode, "./type");
 318
 319         /* Simplistic insertion sort */
 320         p = &of_arg->first;
 321         while (true) {
 322                 if (*p == NULL) {
 323                         *p = pref;
 324                         break;
 325                 }
 326                 if ((*p)->index >= pref->index) {
 327                         pref->next = *p;
 328                         *p = pref;
 329                         break;
 330                 }
 331                 p = &(*p)->next;
 332         }
 333
 334         return YANG_ITER_CONTINUE;
 335 }
 336
 337 int dummy_create(struct nb_cb_create_args *args)
 338 {
 339         return NB_OK;
 340 }
 341
 342 int dummy_modify(struct nb_cb_modify_args *args)
 343 {
 344         return NB_OK;
 345 }
 346
 347 int dummy_destroy(struct nb_cb_destroy_args *args)
 348 {
 349         return NB_OK;
 350 }