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d6f94d91 LL |
1 | /* Copyright (C) 2013-2016 B.A.T.M.A.N. contributors: |
2 | * | |
3 | * Linus Lüssing, Marek Lindner | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or | |
6 | * modify it under the terms of version 2 of the GNU General Public | |
7 | * License as published by the Free Software Foundation. | |
8 | * | |
9 | * This program is distributed in the hope that it will be useful, but | |
10 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
12 | * General Public License for more details. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License | |
15 | * along with this program; if not, see <http://www.gnu.org/licenses/>. | |
16 | */ | |
17 | ||
18 | #include "bat_algo.h" | |
19 | #include "main.h" | |
20 | ||
0b5ecc68 | 21 | #include <linux/atomic.h> |
d6f94d91 LL |
22 | #include <linux/cache.h> |
23 | #include <linux/init.h> | |
c833484e | 24 | #include <linux/workqueue.h> |
d6f94d91 LL |
25 | |
26 | #include "bat_v_elp.h" | |
0da00359 | 27 | #include "bat_v_ogm.h" |
162bd64c | 28 | #include "packet.h" |
d6f94d91 LL |
29 | |
30 | static int batadv_v_iface_enable(struct batadv_hard_iface *hard_iface) | |
31 | { | |
0da00359 AQ |
32 | int ret; |
33 | ||
34 | ret = batadv_v_elp_iface_enable(hard_iface); | |
35 | if (ret < 0) | |
36 | return ret; | |
37 | ||
38 | ret = batadv_v_ogm_iface_enable(hard_iface); | |
39 | if (ret < 0) | |
40 | batadv_v_elp_iface_disable(hard_iface); | |
41 | ||
0b5ecc68 AQ |
42 | /* enable link throughput auto-detection by setting the throughput |
43 | * override to zero | |
44 | */ | |
45 | atomic_set(&hard_iface->bat_v.throughput_override, 0); | |
46 | ||
0da00359 | 47 | return ret; |
d6f94d91 LL |
48 | } |
49 | ||
50 | static void batadv_v_iface_disable(struct batadv_hard_iface *hard_iface) | |
51 | { | |
52 | batadv_v_elp_iface_disable(hard_iface); | |
53 | } | |
54 | ||
55 | static void batadv_v_iface_update_mac(struct batadv_hard_iface *hard_iface) | |
56 | { | |
57 | } | |
58 | ||
59 | static void batadv_v_primary_iface_set(struct batadv_hard_iface *hard_iface) | |
60 | { | |
61 | batadv_v_elp_primary_iface_set(hard_iface); | |
0da00359 | 62 | batadv_v_ogm_primary_iface_set(hard_iface); |
d6f94d91 LL |
63 | } |
64 | ||
162bd64c LL |
65 | static void |
66 | batadv_v_hardif_neigh_init(struct batadv_hardif_neigh_node *hardif_neigh) | |
67 | { | |
68 | ewma_throughput_init(&hardif_neigh->bat_v.throughput); | |
c833484e AQ |
69 | INIT_WORK(&hardif_neigh->bat_v.metric_work, |
70 | batadv_v_elp_throughput_metric_update); | |
162bd64c LL |
71 | } |
72 | ||
d6f94d91 LL |
73 | static void batadv_v_ogm_schedule(struct batadv_hard_iface *hard_iface) |
74 | { | |
75 | } | |
76 | ||
77 | static void batadv_v_ogm_emit(struct batadv_forw_packet *forw_packet) | |
78 | { | |
79 | } | |
80 | ||
81 | static struct batadv_algo_ops batadv_batman_v __read_mostly = { | |
82 | .name = "BATMAN_V", | |
83 | .bat_iface_enable = batadv_v_iface_enable, | |
84 | .bat_iface_disable = batadv_v_iface_disable, | |
85 | .bat_iface_update_mac = batadv_v_iface_update_mac, | |
86 | .bat_primary_iface_set = batadv_v_primary_iface_set, | |
162bd64c | 87 | .bat_hardif_neigh_init = batadv_v_hardif_neigh_init, |
d6f94d91 LL |
88 | .bat_ogm_emit = batadv_v_ogm_emit, |
89 | .bat_ogm_schedule = batadv_v_ogm_schedule, | |
90 | }; | |
91 | ||
0da00359 AQ |
92 | /** |
93 | * batadv_v_mesh_init - initialize the B.A.T.M.A.N. V private resources for a | |
94 | * mesh | |
95 | * @bat_priv: the object representing the mesh interface to initialise | |
96 | * | |
97 | * Return: 0 on success or a negative error code otherwise | |
98 | */ | |
99 | int batadv_v_mesh_init(struct batadv_priv *bat_priv) | |
100 | { | |
101 | return batadv_v_ogm_init(bat_priv); | |
102 | } | |
103 | ||
104 | /** | |
105 | * batadv_v_mesh_free - free the B.A.T.M.A.N. V private resources for a mesh | |
106 | * @bat_priv: the object representing the mesh interface to free | |
107 | */ | |
108 | void batadv_v_mesh_free(struct batadv_priv *bat_priv) | |
109 | { | |
110 | batadv_v_ogm_free(bat_priv); | |
111 | } | |
112 | ||
d6f94d91 LL |
113 | /** |
114 | * batadv_v_init - B.A.T.M.A.N. V initialization function | |
115 | * | |
116 | * Description: Takes care of initializing all the subcomponents. | |
117 | * It is invoked upon module load only. | |
118 | * | |
119 | * Return: 0 on success or a negative error code otherwise | |
120 | */ | |
121 | int __init batadv_v_init(void) | |
122 | { | |
162bd64c LL |
123 | int ret; |
124 | ||
125 | /* B.A.T.M.A.N. V echo location protocol packet */ | |
126 | ret = batadv_recv_handler_register(BATADV_ELP, | |
127 | batadv_v_elp_packet_recv); | |
128 | if (ret < 0) | |
129 | return ret; | |
130 | ||
0da00359 AQ |
131 | ret = batadv_recv_handler_register(BATADV_OGM2, |
132 | batadv_v_ogm_packet_recv); | |
133 | if (ret < 0) | |
134 | goto elp_unregister; | |
162bd64c | 135 | |
0da00359 | 136 | ret = batadv_algo_register(&batadv_batman_v); |
162bd64c | 137 | if (ret < 0) |
0da00359 AQ |
138 | goto ogm_unregister; |
139 | ||
140 | return ret; | |
141 | ||
142 | ogm_unregister: | |
143 | batadv_recv_handler_unregister(BATADV_OGM2); | |
144 | ||
145 | elp_unregister: | |
146 | batadv_recv_handler_unregister(BATADV_ELP); | |
162bd64c LL |
147 | |
148 | return ret; | |
d6f94d91 | 149 | } |