projects / mirror_frr.git / blame
| Commit | Line | Data |
|---|---|---|
| 9a65cf35 LS |
1 | // SPDX-License-Identifier: GPL-2.0-or-later |
| 2 | /* IS-IS affinity-map | |
| 3 | * Copyright 2023 6WIND S.A. | |
| 4 | */ | |
| 5 | ||
| 6 | #include <zebra.h> | |
| 7 | #include "lib/if.h" | |
| 8 | #include "lib/vrf.h" | |
| 9 | #include "isisd/isisd.h" | |
| 10 | #include "isisd/isis_affinitymap.h" | |
| 11 | ||
| 12 | #ifndef FABRICD | |
| 13 | ||
| 14 | static bool isis_affinity_map_check_use(const char *affmap_name) | |
| 15 | { | |
| 16 | struct isis *isis = isis_lookup_by_vrfid(VRF_DEFAULT); | |
| 17 | struct isis_area *area; | |
| 18 | struct listnode *area_node, *fa_node; | |
| 19 | struct flex_algo *fa; | |
| 20 | struct affinity_map *map; | |
| 21 | uint16_t pos; | |
| 22 | ||
| eb2010de LS |
23 | if (!isis) |
| 24 | return false; | |
| 25 | ||
| 9a65cf35 LS |
26 | map = affinity_map_get(affmap_name); |
| 27 | pos = map->bit_position; | |
| 28 | ||
| 29 | for (ALL_LIST_ELEMENTS_RO(isis->area_list, area_node, area)) { | |
| 30 | for (ALL_LIST_ELEMENTS_RO(area->flex_algos->flex_algos, fa_node, | |
| 31 | fa)) { | |
| 32 | if (admin_group_get(&fa->admin_group_exclude_any, | |
| 33 | pos) || | |
| 34 | admin_group_get(&fa->admin_group_include_any, | |
| 35 | pos) || | |
| 36 | admin_group_get(&fa->admin_group_include_all, pos)) | |
| 37 | return true; | |
| 38 | } | |
| 39 | } | |
| 40 | return false; | |
| 41 | } | |
| 42 | ||
| 43 | static void isis_affinity_map_update(const char *affmap_name, uint16_t old_pos, | |
| 44 | uint16_t new_pos) | |
| 45 | { | |
| 46 | struct isis *isis = isis_lookup_by_vrfid(VRF_DEFAULT); | |
| 47 | struct listnode *area_node, *fa_node; | |
| 48 | struct isis_area *area; | |
| 49 | struct flex_algo *fa; | |
| 50 | bool changed; | |
| 51 | ||
| 60f9275a LS |
52 | if (!isis) |
| 53 | return; | |
| 54 | ||
| 9a65cf35 LS |
55 | for (ALL_LIST_ELEMENTS_RO(isis->area_list, area_node, area)) { |
| 56 | changed = false; | |
| 57 | for (ALL_LIST_ELEMENTS_RO(area->flex_algos->flex_algos, fa_node, | |
| 58 | fa)) { | |
| 59 | if (admin_group_get(&fa->admin_group_exclude_any, | |
| 60 | old_pos)) { | |
| 61 | admin_group_unset(&fa->admin_group_exclude_any, | |
| 62 | old_pos); | |
| 63 | admin_group_set(&fa->admin_group_exclude_any, | |
| 64 | new_pos); | |
| 65 | changed = true; | |
| 66 | } | |
| 67 | if (admin_group_get(&fa->admin_group_include_any, | |
| 68 | old_pos)) { | |
| 69 | admin_group_unset(&fa->admin_group_include_any, | |
| 70 | old_pos); | |
| 71 | admin_group_set(&fa->admin_group_include_any, | |
| 72 | new_pos); | |
| 73 | changed = true; | |
| 74 | } | |
| 75 | if (admin_group_get(&fa->admin_group_include_all, | |
| 76 | old_pos)) { | |
| 77 | admin_group_unset(&fa->admin_group_include_all, | |
| 78 | old_pos); | |
| 79 | admin_group_set(&fa->admin_group_include_all, | |
| 80 | new_pos); | |
| 81 | changed = true; | |
| 82 | } | |
| 83 | } | |
| 84 | if (changed) | |
| 85 | lsp_regenerate_schedule(area, area->is_type, 0); | |
| 86 | } | |
| 87 | } | |
| 88 | ||
| 89 | void isis_affinity_map_init(void) | |
| 90 | { | |
| 91 | affinity_map_init(); | |
| 92 | ||
| 93 | affinity_map_set_check_use_hook(isis_affinity_map_check_use); | |
| 94 | affinity_map_set_update_hook(isis_affinity_map_update); | |
| 95 | } | |
| 96 | ||
| 97 | #endif /* ifndef FABRICD */ |