isisd/isis_flex_algo.h

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*********************************************************************
   3  * Copyright 2022 Hiroki Shirokura, LINE Corporation
   4  * Copyright 2022 Masakazu Asama
   5  * Copyright 2022 6WIND S.A.
   6  *
   7  * isis_flex_algo.h: IS-IS Flexible Algorithm
   8  *
   9  * Authors
  10  * -------
  11  * Hiroki Shirokura
  12  * Masakazu Asama
  13  * Louis Scalbert
  14  */
  15
  16 #ifndef ISIS_FLEX_ALGO_H
  17 #define ISIS_FLEX_ALGO_H
  18
  19 #include "flex_algo.h"
  20 #include "isisd/isis_constants.h"
  21
  22 #ifndef FABRICD
  23
  24 struct isis_flex_algo_data {
  25         struct isis_spftree *spftree[SPFTREE_COUNT][ISIS_LEVELS];
  26         struct isis_area *area;
  27 };
  28
  29 struct isis_flex_algo_alloc_arg {
  30         uint8_t algorithm;
  31         struct isis_area *area;
  32 };
  33
  34 void *isis_flex_algo_data_alloc(void *arg);
  35 void isis_flex_algo_data_free(void *data);
  36
  37 struct isis_router_cap_fad *
  38 isis_flex_algo_elected(int algorithm, const struct isis_area *area);
  39 bool isis_flex_algo_supported(struct flex_algo *fad);
  40 struct isis_router_cap_fad *
  41 isis_flex_algo_elected_supported(int algorithm, const struct isis_area *area);
  42 struct isis_router_cap_fad *
  43 isis_flex_algo_elected_supported_local_fad(int algorithm,
  44                                            const struct isis_area *area,
  45                                            struct isis_router_cap_fad **fad);
  46 struct isis_lsp;
  47 bool sr_algorithm_participated(const struct isis_lsp *lsp, uint8_t algorithm);
  48
  49 bool isis_flex_algo_constraint_drop(struct isis_spftree *spftree,
  50                                     struct isis_lsp *lsp,
  51                                     struct isis_extended_reach *reach);
  52
  53 #endif /* ifndef FABRICD */
  54
  55 #endif /* ISIS_FLEX_ALGO_H */