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1 | /* |
2 | * PBR - vrf code | |
3 | * Copyright (C) 2019 Cumulus Networks, Inc. | |
4 | * Stephen Worley | |
5 | * | |
6 | * FRR is free software; you can redistribute it and/or modify it | |
7 | * under the terms of the GNU General Public License as published by the | |
8 | * Free Software Foundation; either version 2, or (at your option) any | |
9 | * later version. | |
10 | * | |
11 | * FRR is distributed in the hope that it will be useful, but | |
12 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | * General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License along | |
17 | * with this program; see the file COPYING; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | */ | |
20 | #include <zebra.h> | |
21 | ||
22 | #include "vrf.h" | |
23 | ||
24 | #include "pbr_vrf.h" | |
25 | #include "pbr_memory.h" | |
26 | #include "pbr_map.h" | |
27 | #include "pbr_debug.h" | |
fcf29c69 | 28 | #include "pbr_nht.h" |
be3b67b5 SW |
29 | |
30 | DEFINE_MTYPE_STATIC(PBRD, PBR_MAP_VRF, "PBR Map VRF") | |
31 | ||
32 | static struct pbr_vrf *pbr_vrf_alloc(void) | |
33 | { | |
34 | struct pbr_vrf *pbr_vrf; | |
35 | ||
36 | pbr_vrf = XCALLOC(MTYPE_PBR_MAP_VRF, sizeof(struct pbr_vrf)); | |
37 | ||
38 | return pbr_vrf; | |
39 | } | |
40 | ||
41 | static void pbr_vrf_free(struct pbr_vrf *pbr_vrf) | |
42 | { | |
43 | XFREE(MTYPE_PBR_MAP_VRF, pbr_vrf); | |
44 | } | |
45 | ||
46 | static int pbr_vrf_new(struct vrf *vrf) | |
47 | { | |
48 | struct pbr_vrf *pbr_vrf; | |
49 | ||
50 | DEBUGD(&pbr_dbg_event, "%s: %u (%s)", __func__, vrf->vrf_id, vrf->name); | |
51 | ||
52 | pbr_vrf = pbr_vrf_alloc(); | |
53 | vrf->info = pbr_vrf; | |
54 | pbr_vrf->vrf = vrf; | |
55 | ||
56 | return 0; | |
57 | } | |
58 | ||
59 | static int pbr_vrf_enable(struct vrf *vrf) | |
60 | { | |
61 | DEBUGD(&pbr_dbg_event, "%s: %u (%s)", __func__, vrf->vrf_id, vrf->name); | |
62 | ||
fcf29c69 | 63 | pbr_nht_vrf_update(vrf->info); |
be3b67b5 SW |
64 | pbr_map_vrf_update(vrf->info); |
65 | ||
66 | return 0; | |
67 | } | |
68 | ||
69 | static int pbr_vrf_disable(struct vrf *vrf) | |
70 | { | |
71 | DEBUGD(&pbr_dbg_event, "%s: %u (%s)", __func__, vrf->vrf_id, vrf->name); | |
72 | ||
73 | pbr_map_vrf_update(vrf->info); | |
74 | ||
75 | return 0; | |
76 | } | |
77 | ||
78 | static int pbr_vrf_delete(struct vrf *vrf) | |
79 | { | |
80 | DEBUGD(&pbr_dbg_event, "%s: %u (%s)", __func__, vrf->vrf_id, vrf->name); | |
81 | ||
82 | /* | |
83 | * Make sure vrf is always marked disabled first so we handle | |
84 | * pbr rules using it. | |
85 | */ | |
86 | assert(!vrf_is_enabled(vrf)); | |
87 | ||
88 | pbr_vrf_free(vrf->info); | |
89 | vrf->info = NULL; | |
90 | ||
91 | return 0; | |
92 | } | |
93 | ||
94 | struct pbr_vrf *pbr_vrf_lookup_by_id(vrf_id_t vrf_id) | |
95 | { | |
96 | struct vrf *vrf; | |
97 | ||
98 | vrf = vrf_lookup_by_id(vrf_id); | |
99 | if (vrf) | |
100 | return ((struct pbr_vrf *)vrf->info); | |
101 | ||
102 | return NULL; | |
103 | } | |
104 | ||
105 | struct pbr_vrf *pbr_vrf_lookup_by_name(const char *name) | |
106 | { | |
107 | struct vrf *vrf; | |
108 | ||
109 | if (!name) | |
110 | name = VRF_DEFAULT_NAME; | |
111 | ||
112 | vrf = vrf_lookup_by_name(name); | |
113 | if (vrf) | |
114 | return ((struct pbr_vrf *)vrf->info); | |
115 | ||
116 | return NULL; | |
117 | } | |
118 | ||
119 | bool pbr_vrf_is_enabled(const struct pbr_vrf *pbr_vrf) | |
120 | { | |
121 | return vrf_is_enabled(pbr_vrf->vrf) ? true : false; | |
122 | } | |
123 | ||
124 | bool pbr_vrf_is_valid(const struct pbr_vrf *pbr_vrf) | |
125 | { | |
126 | if (vrf_is_backend_netns()) | |
127 | return false; | |
128 | ||
129 | if (!pbr_vrf->vrf) | |
130 | return false; | |
131 | ||
132 | return pbr_vrf_is_enabled(pbr_vrf); | |
133 | } | |
134 | ||
135 | void pbr_vrf_init(void) | |
136 | { | |
137 | vrf_init(pbr_vrf_new, pbr_vrf_enable, pbr_vrf_disable, pbr_vrf_delete, | |
138 | NULL); | |
139 | } |