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