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Commit | Line | Data |
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be3b67b5 SW |
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" | |
28 | ||
29 | DEFINE_MTYPE_STATIC(PBRD, PBR_MAP_VRF, "PBR Map VRF") | |
30 | ||
31 | static struct pbr_vrf *pbr_vrf_alloc(void) | |
32 | { | |
33 | struct pbr_vrf *pbr_vrf; | |
34 | ||
35 | pbr_vrf = XCALLOC(MTYPE_PBR_MAP_VRF, sizeof(struct pbr_vrf)); | |
36 | ||
37 | return pbr_vrf; | |
38 | } | |
39 | ||
40 | static void pbr_vrf_free(struct pbr_vrf *pbr_vrf) | |
41 | { | |
42 | XFREE(MTYPE_PBR_MAP_VRF, pbr_vrf); | |
43 | } | |
44 | ||
45 | static int pbr_vrf_new(struct vrf *vrf) | |
46 | { | |
47 | struct pbr_vrf *pbr_vrf; | |
48 | ||
49 | DEBUGD(&pbr_dbg_event, "%s: %u (%s)", __func__, vrf->vrf_id, vrf->name); | |
50 | ||
51 | pbr_vrf = pbr_vrf_alloc(); | |
52 | vrf->info = pbr_vrf; | |
53 | pbr_vrf->vrf = vrf; | |
54 | ||
55 | return 0; | |
56 | } | |
57 | ||
58 | static int pbr_vrf_enable(struct vrf *vrf) | |
59 | { | |
60 | DEBUGD(&pbr_dbg_event, "%s: %u (%s)", __func__, vrf->vrf_id, vrf->name); | |
61 | ||
62 | pbr_map_vrf_update(vrf->info); | |
63 | ||
64 | return 0; | |
65 | } | |
66 | ||
67 | static int pbr_vrf_disable(struct vrf *vrf) | |
68 | { | |
69 | DEBUGD(&pbr_dbg_event, "%s: %u (%s)", __func__, vrf->vrf_id, vrf->name); | |
70 | ||
71 | pbr_map_vrf_update(vrf->info); | |
72 | ||
73 | return 0; | |
74 | } | |
75 | ||
76 | static int pbr_vrf_delete(struct vrf *vrf) | |
77 | { | |
78 | DEBUGD(&pbr_dbg_event, "%s: %u (%s)", __func__, vrf->vrf_id, vrf->name); | |
79 | ||
80 | /* | |
81 | * Make sure vrf is always marked disabled first so we handle | |
82 | * pbr rules using it. | |
83 | */ | |
84 | assert(!vrf_is_enabled(vrf)); | |
85 | ||
86 | pbr_vrf_free(vrf->info); | |
87 | vrf->info = NULL; | |
88 | ||
89 | return 0; | |
90 | } | |
91 | ||
92 | struct pbr_vrf *pbr_vrf_lookup_by_id(vrf_id_t vrf_id) | |
93 | { | |
94 | struct vrf *vrf; | |
95 | ||
96 | vrf = vrf_lookup_by_id(vrf_id); | |
97 | if (vrf) | |
98 | return ((struct pbr_vrf *)vrf->info); | |
99 | ||
100 | return NULL; | |
101 | } | |
102 | ||
103 | struct pbr_vrf *pbr_vrf_lookup_by_name(const char *name) | |
104 | { | |
105 | struct vrf *vrf; | |
106 | ||
107 | if (!name) | |
108 | name = VRF_DEFAULT_NAME; | |
109 | ||
110 | vrf = vrf_lookup_by_name(name); | |
111 | if (vrf) | |
112 | return ((struct pbr_vrf *)vrf->info); | |
113 | ||
114 | return NULL; | |
115 | } | |
116 | ||
117 | bool pbr_vrf_is_enabled(const struct pbr_vrf *pbr_vrf) | |
118 | { | |
119 | return vrf_is_enabled(pbr_vrf->vrf) ? true : false; | |
120 | } | |
121 | ||
122 | bool pbr_vrf_is_valid(const struct pbr_vrf *pbr_vrf) | |
123 | { | |
124 | if (vrf_is_backend_netns()) | |
125 | return false; | |
126 | ||
127 | if (!pbr_vrf->vrf) | |
128 | return false; | |
129 | ||
130 | return pbr_vrf_is_enabled(pbr_vrf); | |
131 | } | |
132 | ||
133 | void pbr_vrf_init(void) | |
134 | { | |
135 | vrf_init(pbr_vrf_new, pbr_vrf_enable, pbr_vrf_disable, pbr_vrf_delete, | |
136 | NULL); | |
137 | } |